[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Gheorghiu, Florin"]
[Black "Westerinen, Heikki"]
[Result "1-0"]
[ECO "D32"]
[EventDate "1961.08.21"]
[PlyCount "77"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 cxd4 5.Qa4+ Bd7 6.Qxd4 exd5 7.Qxd5 Nc6 8.
e3 Nf6 9.Qd1 Qb6 10.Nf3 O-O-O 11.Bd2 Bf5 12.Bb5 Bb4 13.Qa4 Rhe8 14.O-O Ne4
15.Nxe4 Rxe4 16.Bxc6 bxc6 17.Rac1 Kb7 18.Bxb4 Rxb4 19.Qa3 Rxb2 20.Nd4 Bd7 
21.Nb3 Rxb3 22.axb3 Be6 23.b4 g6 24.Rc5 Bd5 25.Ra1 Rd7 26.Ra5 Kb8 27.Ra6 
Qb7 28.Qc3 Qc8 29.Qc5 Qc7 30.h3 f5 31.b5 cxb5 32.Qxb5+ Qb7 33.Qc5 Qc7 34.
Qf8+ Rd8 35.Qb4+ Bb7 36.Rxa7 Kc8 37.Rb1 Rd7 38.Rxb7 Qxb7 39.Qf8+ 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Kinnmark, Ove"]
[Black "Pfleger, Helmut"]
[Result "0-1"]
[ECO "C67"]
[EventDate "1961.08.21"]
[PlyCount "134"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.
Qxd8+ Kxd8 9.Nc3 h6 10.h4 Be6 11.Bf4 Be7 12.g3 Kc8 13.a3 b6 14.Rad1 Kb7 
15.h5 Rad8 16.Rxd8 Rxd8 17.Rd1 Rxd1+ 18.Nxd1 c5 19.Be3 Bd5 20.Ne1 Kc6 21.
Kh2 Nd4 22.f4 Nxc2 23.Nxc2 Bb3 24.Bxc5 Kxc5 25.Nce3 Bxd1 26.Nxd1 Kd4 27.
Kg2 b5 28.Kf3 c5 29.Nc3 a6 30.Ne4 Kd5 31.Ke3 a5 32.b3 c4 33.Nc3+ Kc5 34.
Ne4+ Kd5 35.Nc3+ Kc5 36.Ne4+ Kc6 37.bxc4 Bxa3 38.cxb5+ Kxb5 39.Kd3 Be7 40.
Kc3 a4 41.g4 Kc6 42.Kc4 a3 43.Nc3 f6 44.Kd4 fxe5+ 45.fxe5 Bb4 46.Na2 Bd2 
47.Kd3 Bg5 48.Kd4 Bf4 49.Ke4 Bg3 50.Kd4 Be1 51.Kc4 Kd7 52.Kd5 Bd2 53.e6+ 
Ke7 54.Ke5 Ba5 55.Nc1 Bc7+ 56.Kf5 Kd6 57.Na2 Ba5 58.g5 hxg5 59.Kxg5 Kxe6 
60.Kg6 Kd5 61.Kxg7 Kc4 62.h6 Kb3 63.Nc1+ Kc2 64.Ne2 a2 65.Nd4+ Kb1 66.Kg6 
a1=Q 67.Nb3 Qc3 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Kuindzhi, Alexander"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "1/2-1/2"]
[ECO "C00"]
[EventDate "1961.08.21"]
[PlyCount "281"]

1.e4 e6 2.Qe2 c5 3.f4 Nc6 4.Nf3 d5 5.d3 Nf6 6.g3 Be7 7.Bg2 O-O 8.O-O Qb6 
9.Kh1 Bd7 10.c3 dxe4 11.dxe4 Na5 12.Ne5 Be8 13.Be3 Qc7 14.Nd2 Nd7 15.Nxd7 
Bxd7 16.e5 Bc6 17.Ne4 c4 18.Bd4 Rad8 19.Qf2 b6 20.g4 Nb7 21.g5 Bxe4 22.
Bxe4 Nc5 23.Bc2 Qc6+ 24.Qg2 Qxg2+ 25.Kxg2 Rd5 26.b4 Na6 27.a3 Nc7 28.Be4 
Rdd8 29.Bc6 f6 30.gxf6 gxf6 31.Rf3 f5 32.Kf2 Rf7 33.Rg1+ Rg7 34.Rxg7+ Kxg7
35.Rg3+ Kf7 36.Rh3 Kg7 37.Rg3+ Kf7 38.Rh3 Kg7 39.Kf3 h6 40.Rg3+ Kh7 41.Rh3
Kg6 42.Rg3+ Kf7 43.Rg2 Nd5 44.Re2 Bh4 45.Bb5 Rc8 46.Ba6 Rc7 47.Rc2 Be1 48.
Ke2 Bh4 49.Be3 Be1 50.Bd4 Bh4 51.Kf3 Be1 52.Bb5 Ke7 53.Ke2 Bh4 54.Kf3 Kf7 
55.Re2 Ke7 56.Rg2 Kf7 57.Rg1 Rc8 58.Rb1 Rc7 59.a4 Ke7 60.a5 Kf8 61.Ra1 Kf7
62.Rg1 Rc8 63.Ba6 Rc7 64.Rd1 Ke7 65.Rg1 Kf7 66.Rf1 Bd8 67.Rb1 Bh4 68.Rf1 
Bd8 69.Ra1 Bh4 70.Rh1 Ke7 71.Rd1 Kf7 72.Bb5 Ke7 73.Rg1 Kf7 74.axb6 axb6 
75.Ra1 Ke7 76.Rc1 Kf7 77.Be3 Be7 78.Bd2 Bh4 79.Ra1 Ke7 80.Ra8 Kf7 81.Be8+ 
Kg7 82.Kg2 Kh7 83.Ba4 Kg7 84.Kf3 Kf7 85.Bb5 Kg7 86.Ra2 Kf7 87.Ra3 Ke7 88.
Ra1 Kf7 89.Ke2 Ke7 90.Ra4 Kf7 91.Ra6 Ke7 92.Ra8 Kf7 93.Ba6 Be7 94.Rb8 Bh4 
95.Bb7 Ne7 96.Bf3 Nc8 97.Be3 Ke7 98.b5 Kd7 99.Bc6+ Ke7 100.Ra8 Kf7 101.Ra4
Bd8 102.Bf2 Ra7 103.Rxc4 Ra2+ 104.Kf3 Rc2 105.Be8+ Kxe8 106.Rxc8 Kd7 107.
Rc6 Bc7 108.h3 Rc1 109.Be3 Rc2 110.c4 h5 111.Bd4 h4 112.Bf2 Rc3+ 113.Kg2 
Rc2 114.Kf1 Rc3 115.Bxb6 Bxb6 116.Rxb6 Rxc4 117.Rd6+ Ke7 118.Ra6 Rxf4+ 
119.Kg2 Re4 120.Ra7+ Kd8 121.b6 Rb4 122.b7 Rb6 123.Kf3 Kc7 124.b8=Q+ Kxb8 
125.Re7 Kc8 126.Kf4 Kd8 127.Rh7 Rb5 128.Rf7 Rc5 129.Ra7 Ke8 130.Rb7 Rd5 
131.Ra7 Kd8 132.Rh7 Rc5 133.Ra7 Rd5 134.Rb7 Ra5 135.Rf7 Rc5 136.Rh7 Rb5 
137.Rxh4 Rb4+ 138.Kg5 Rxh4 139.Kxh4 Ke7 140.Kg5 Kf7 141.Kh5 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Nagy, Bela"]
[Black "Calvo Minguez, Ricardo"]
[Result "1-0"]
[ECO "D44"]
[EventDate "1961.08.21"]
[PlyCount "67"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 dxc4 6.e3 b5 7.a4 Bb4 8.axb5 cxb5
9.Be2 Bb7 10.O-O a6 11.Ne5 Nc6 12.f4 Qc7 13.Bh5 Nxh5 14.Qxh5 Nxe5 15.fxe5 
Bxc3 16.bxc3 Be4 17.Rf4 Bg6 18.Qf3 O-O 19.h4 h6 20.Bxh6 gxh6 21.h5 Be4 22.
Rf6 Rfc8 23.Ra2 Qc6 24.Qg4+ Kf8 25.Raf2 Bf5 26.Qf4 Qe4 27.Qxh6+ Ke7 28.Qg5
Qg4 29.Rxf7+ Kxf7 30.Qxg4 Rg8 31.Qh4 Ke8 32.d5 Kd7 33.dxe6+ Bxe6 34.Rd2+ 
1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Parma, Bruno"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[ECO "C65"]
[EventDate "1961.08.21"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Nf6 5.O-O O-O 6.d4 Bb6 7.dxe5 Nxe4 8.Qd5 
Nc5 9.Bg5 Qe8 10.Re1 a6 11.Bc4 Qe6 12.Na3 Qxd5 13.Bxd5 Nd3 14.Re2 h6 15.
Bh4 Re8 16.Rd1 Nf4 17.Ree1 Nxd5 18.Rxd5 d6 19.exd6 Rxe1+ 20.Nxe1 Be6 21.
Rd1 Bxa2 22.dxc7 Bxc7 23.Rd7 Rc8 24.Bg3 Bxg3 25.fxg3 b5 26.Rb7 Re8 27.Nf3 
Re2 28.Rb6 Bd5 29.b4 Bxf3 30.gxf3 Ne5 31.Rxa6 Nxf3+ 32.Kf1 Ra2 33.Ra5 
Nxh2+ 34.Kg1 Nf3+ 35.Kf1 Nd2+ 36.Ke1 Ne4 37.Nxb5 Rb2 38.g4 Kh7 39.Ra7 Kg6 
40.Re7 Nf6 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Thomson, Derek"]
[Black "Larusson, Gudmundur"]
[Result "0-1"]
[ECO "E54"]
[EventDate "1961.08.21"]
[PlyCount "50"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Qe7 9.Qe2 Bd7 10.a3 Ba5 11.e4 cxd4 12.e5 dxc3 13.exf6 Qxf6 14.b4 Bc7 15.
Bg5 Qg6 16.b5 Qh5 17.Rac1 a6 18.a4 axb5 19.axb5 Rc8 20.g4 Qh3 21.Bh4 Qxg4+
22.Kh1 Bxh2 23.Bd3 Bf4 24.Bxh7+ Kh8 25.Bd3 Rc5 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Calvo Minguez, Ricardo"]
[Black "Parma, Bruno"]
[Result "0-1"]
[ECO "A04"]
[EventDate "1961.08.21"]
[PlyCount "50"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 g6 4.O-O Bg7 5.d3 d6 6.Nbd2 Rb8 7.c3 e6 8.e4 Nge7 
9.Nh4 b5 10.f4 b4 11.f5 bxc3 12.f6 Bxf6 13.Rxf6 cxb2 14.Bxb2 Rxb2 15.Nc4 
Rb7 16.Qf3 Ng8 17.e5 Nxe5 18.Nxe5 dxe5 19.Qc6+ Qd7 20.Qxc5 Rc7 21.Qxe5 
Nxf6 22.Qxf6 O-O 23.d4 Bb7 24.d5 Bxd5 25.Bxd5 Qxd5 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Vinje Gulbrandsen, Arne"]
[Black "Nagy, Bela"]
[Result "1/2-1/2"]
[ECO "E70"]
[EventDate "1961.08.21"]
[PlyCount "42"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nge2 O-O 6.Ng3 Nbd7 7.Be2 e5 8.d5 a5 
9.h4 h6 10.Be3 Nc5 11.Qd2 Kh7 12.f3 Bd7 13.O-O-O Qe7 14.h5 g5 15.Nf1 Rfb8 
16.g4 Ne8 17.Ng3 Bf8 18.Nf5 Bxf5 19.exf5 f6 20.Ne4 Na6 21.Kb1 c5 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Larusson, Gudmundur"]
[Black "Westerinen, Heikki"]
[Result "0-1"]
[ECO "B67"]
[EventDate "1961.08.21"]
[PlyCount "68"]

1.e4 c5 2.Nf3 Nf6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
Bd7 9.f4 Rc8 10.Nf3 Qc7 11.Kb1 b5 12.a3 b4 13.axb4 Nxb4 14.Bd3 Qa5 15.Rhe1
e5 16.fxe5 Be6 17.exf6 Ba2+ 18.Kc1 Bb3 19.Qe2 Qa1+ 20.Kd2 Qxb2 21.Bb5+ 
axb5 22.Qxb5+ Rc6 23.Qb8+ Kd7 24.Ne5+ dxe5 25.Ke3+ Bd5 26.Qa7+ Ke6 27.
exd5+ Nxd5+ 28.Kf3 Qxc3+ 29.Rd3 Qxe1 30.Rxd5 e4+ 31.Kg4 h5+ 32.Kh3 Rc3+ 
33.g3 Rxg3+ 34.Kh4 Re3# 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Pfleger, Helmut"]
[Black "Kuindzhi, Alexander"]
[Result "1/2-1/2"]
[ECO "D43"]
[EventDate "1961.08.21"]
[PlyCount "80"]

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 c6 6.e3 h6 7.Bh4 a6 8.c5 O-O 9.
Bd3 Nbd7 10.O-O g5 11.Bg3 Nh5 12.Bd6 Bxd6 13.cxd6 f5 14.Ne5 Ndf6 15.g4 
Nxg4 16.Nxg4 fxg4 17.Qxg4 Ng7 18.Qg3 b5 19.e4 Ra7 20.e5 Raf7 21.f3 Nh5 22.
Qh3 Nf4 23.Qxh6 Rg7 24.Bc2 b4 25.Na4 Ne2+ 26.Kh1 Nxd4 27.Bd3 Nxf3 28.Nc5 
Qe8 29.Rxf3 Rxf3 30.Rg1 Qf7 31.Be2 Rf2 32.d7 Bxd7 33.Nxd7 Rxe2 34.Nf6+ Kf8
35.Rxg5 Re1+ 36.Kg2 Re2+ 37.Kg1 Re1+ 38.Kf2 Qa7+ 39.Kxe1 Qe3+ 40.Kd1 Qd3+ 
1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Thomson, Derek"]
[Black "Kinnmark, Ove"]
[Result "1/2-1/2"]
[ECO "E54"]
[EventDate "1961.08.21"]
[PlyCount "62"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O cxd4 8.exd4 
dxc4 9.Bxc4 b6 10.Qe2 Bb7 11.Rd1 Nd5 12.Ne4 Nd7 13.Ng3 Bd6 14.Ne5 Rc8 15.
Bd2 Bxe5 16.dxe5 Nxe5 17.Qxe5 Rxc4 18.Nh5 Rg4 19.f3 Rg6 20.Nf4 Rg5 21.Qe2 
Nxf4 22.Bxf4 Rd5 23.Rac1 Qa8 24.Rc7 Rfd8 25.Rxd5 Rxd5 26.Qc4 b5 27.Qb4 e5 
28.Qe7 Qf8 29.Bxe5 Qxe7 30.Rxe7 Bc6 31.Bc3 Bd7 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Zuidema, Coenraad"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[ECO "D29"]
[EventDate "1961.08.21"]
[PlyCount "72"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bb3 Nbd7
9.a4 Bb7 10.Rd1 cxd4 11.exd4 bxa4 12.Bxa4 Bd6 13.Ne5 O-O 14.Nxd7 Nxd7 15.
Nc3 Qh4 16.h3 Nf6 17.Bb3 Rfd8 18.Ra5 h6 19.d5 Bb4 20.Ra4 Nxd5 21.Nxd5 Bxd5
22.Bxd5 Rxd5 23.Rxd5 exd5 24.Bd2 Qe7 25.Qxe7 Bxe7 26.Bc3 Bc5 27.Ra5 Rc8 
28.Rxa6 d4 29.Bd2 Be7 30.Bf4 Rc2 31.Ra5 Rxb2 32.Be5 Rb1+ 33.Kh2 d3 34.Rd5 
Rb3 35.Kg3 d2+ 36.Kg4 Rb5 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Gheorghiu, Florin"]
[Black "Calvo Minguez, Ricardo"]
[Result "1-0"]
[ECO "A53"]
[EventDate "1961.08.21"]
[PlyCount "89"]

1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.e4 e5 5.d5 c6 6.Bd3 a6 7.Nge2 g6 8.O-O Bg7 
9.h3 O-O 10.Ng3 cxd5 11.cxd5 Nc5 12.Bc2 Re8 13.b4 Ncd7 14.Be3 Nb6 15.Bd3 
Bd7 16.Qb3 Rc8 17.a4 Rf8 18.a5 Na8 19.b5 Nc7 20.b6 Nce8 21.Rac1 h6 22.Na2 
Nh7 23.Nb4 f5 24.Nc6 Qh4 25.exf5 gxf5 26.Nxf5 Rxf5 27.Qb1 Rf8 28.Bxh7+ Kh8
29.Be4 Nf6 30.Ne7 Qxe4 31.Qxe4 Nxe4 32.Nxc8 Bxc8 33.Rc7 Nc5 34.Bxc5 dxc5 
35.Rd1 e4 36.Rxc5 Rd8 37.Rc7 Be5 38.d6 Bxd6 39.Rxd6 Rxd6 40.Rxc8+ Kg7 41.
Rc7+ Kf6 42.Rxb7 Rd1+ 43.Kh2 Rd5 44.Rb8 Rb5 45.Ra8 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Kinnmark, Ove"]
[Black "Larusson, Gudmundur"]
[Result "0-1"]
[ECO "B24"]
[EventDate "1961.08.21"]
[PlyCount "126"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nge2 e6 6.O-O Nge7 7.d3 O-O 8.Be3 
Nd4 9.Qd2 Nec6 10.Nd1 Qa5 11.Nxd4 Qxd2 12.Bxd2 cxd4 13.f4 d6 14.g4 b6 15.
f5 Be5 16.f6 Ba6 17.Bh6 Rfc8 18.a3 Nb8 19.g5 Rxc2 20.Rf3 Nd7 21.Nf2 Rxf2 
22.Kxf2 Rc8 23.Kg1 Rc2 24.b4 Rc3 25.Bf1 Bb7 26.Be2 d5 27.exd5 Bxd5 28.Rff1
Bd6 29.Rac1 Bf4 30.Rxf4 Rxc1+ 31.Rf1 Rxf1+ 32.Kxf1 Ne5 33.Ke1 a6 34.Kf2 
Nc6 35.Kg3 e5 36.Bf3 Bxf3 37.Kxf3 Nxb4 38.Ke4 Nxd3 39.Kxd3 b5 40.h3 a5 41.
h4 b4 42.axb4 axb4 43.Kc4 e4 44.Kxd4 b3 45.Kxe4 b2 46.Kf4 b1=Q 47.Bg7 Qg1 
48.Bh6 Qg2 49.Ke5 Qg3+ 50.Kd5 Qxh4 51.Ke5 Qb4 52.Kd5 Qb6 53.Ke5 Qc6 54.Kf4
Qd5 55.Kg4 Qf5+ 56.Kg3 Qe4 57.Kh3 Qh1+ 58.Kg4 Qxh6 59.gxh6 Kf8 60.Kf4 Ke8 
61.Ke5 Kd7 62.Kd5 g5 63.Ke5 g4 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Kuindzhi, Alexander"]
[Black "Thomson, Derek"]
[Result "0-1"]
[ECO "C34"]
[EventDate "1961.08.21"]
[PlyCount "78"]

1.e4 e5 2.f4 exf4 3.Nf3 Nf6 4.e5 Nh5 5.Qe2 g5 6.g4 Ng7 7.h4 Be7 8.d4 d6 9.
hxg5 Bxg4 10.Qe4 Bf5 11.Qxf4 Bxc2 12.Nc3 d5 13.Bh3 Nc6 14.O-O Ne6 15.Qh2 
Bg6 16.Bxe6 fxe6 17.Nh4 Bf7 18.Qf4 O-O 19.Qg4 Kh8 20.g6 Bxg6 21.Nxg6+ hxg6
22.Bh6 Rf5 23.Kg2 Qg8 24.Ne2 Rh5 25.Rh1 Qh7 26.Nf4 Rg8 27.Nxe6 Qxh6 28.Nf4
Nxd4 29.Rad1 c5 30.Nxd5 Rh4 31.Qg3 Ne2 32.Qf3 Qg5+ 33.Kf2 Rf8 34.Nf6 Bxf6 
35.Kxe2 Qxe5+ 36.Kf1 Kg7 37.Rd7+ Be7 38.Qxf8+ Kxf8 39.Rxh4 Bxh4 {Time} 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Nagy, Bela"]
[Black "Pfleger, Helmut"]
[Result "1-0"]
[ECO "A56"]
[EventDate "1961.08.21"]
[PlyCount "63"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6 6.Bd3 Bg7 7.Nge2 Na6 8.f3 Bd7 9.
Be3 Nc7 10.Qd2 h6 11.O-O Rb8 12.a4 a6 13.a5 b5 14.axb6 Rxb6 15.Na4 Rb4 16.
Nxc5 dxc5 17.Bxc5 Rb8 18.Bd6 Bc8 19.Bxe5 O-O 20.Qa5 Nfe8 21.Bxg7 Nxg7 22.
b4 Qe7 23.Rab1 Nf5 24.Rfe1 Nh4 25.Nd4 Qg5 26.Qa2 Bh3 27.Bf1 Rb6 28.Kh1 Qe5
29.Qf2 Bd7 30.g3 Nxf3 31.Nxf3 Qh5 32.Qxb6 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Parma, Bruno"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "1-0"]
[ECO "C19"]
[EventDate "1961.08.21"]
[PlyCount "51"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Nf3 Ne7 8.a4 
Nbc6 9.Be2 Bd7 10.O-O f6 11.Ba3 c4 12.Bd6 Qa5 13.Qd2 O-O-O 14.Rfb1 Rde8 
15.Rb5 Qa6 16.Rb2 Ng6 17.h4 h5 18.g3 Nd8 19.Qe3 Bxa4 20.Nd2 b5 21.Bf3 Nf8 
22.Nxc4 dxc4 23.Rxa4 bxa4 24.Qe4 Kd7 25.Qa8 Re7 26.Bb7 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Westerinen, Heikki"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[ECO "C64"]
[EventDate "1961.08.21"]
[PlyCount "184"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nd4 5.Nxd4 Bxd4 6.c3 Bb6 7.d4 c6 8.Ba4 
d6 9.Be3 Nf6 10.Nd2 O-O 11.h3 Re8 12.Bc2 d5 13.dxe5 Nxe4 14.Nxe4 dxe4 15.
Qxd8 Bxd8 16.Bd4 Bc7 17.Rfe1 Bxe5 18.Bxe5 Rxe5 19.Bxe4 g6 20.f4 Rc5 21.
Rad1 Be6 22.Rd2 a5 23.a3 Kf8 24.Kf2 Re8 25.Bf3 Rc4 26.Kg3 h5 27.Re5 h4+ 
28.Kxh4 Rxf4+ 29.Kg3 Rf5 30.Rxf5 Bxf5 31.Kf4 Kg7 32.g4 Be6 33.Rd4 Ra8 34.
Ra4 Bb3 35.Rd4 Be6 36.h4 a4 37.Bd1 b5 38.Bf3 Rc8 39.Rd6 c5 40.Rb6 Bc4 41.
Bc6 Rh8 42.Kg3 Rd8 43.Bxb5 Bb3 44.Ra6 Rd2 45.Bxa4 Rxb2 46.Rb6 c4 47.Rb7 
Rc2 48.Be8 Rxc3+ 49.Kf4 Bd1 50.Rxf7+ Kg8 51.Rc7 Rxa3 52.Rxc4 Kg7 53.Rc7+ 
Kf8 54.Bxg6 Ra4+ 55.Ke5 Bxg4 56.h5 Kg8 57.Kf6 Ra8 58.Kg5 Be2 59.Kh6 Bf3 
60.Bd3 Bd5 61.Bg6 Rf8 62.Rc5 Rd8 63.Bc2 Bf7 64.Bf5 Kh8 65.Rc7 Rf8 66.Kg5 
Rg8+ 67.Kf6 Rf8 68.Ke7 Rg8 69.Rc6 Rg5 70.Kf6 Be8 71.Rc7 Rg1 72.Rc8 Rg8 73.
Rc7 Rf8+ 74.Ke6 Kg8 75.Bh7+ Kh8 76.Bc2 Rf2 77.Bf5 Kg8 78.Rc8 Kg7 79.Rc7+ 
Kg8 80.Kf6 Rxf5+ 81.Kxf5 Bxh5 82.Kf6 Bf3 83.Rc4 Bd5 84.Rd4 Bb3 85.Rb4 Bd5 
86.Rg4+ Kh8 87.Rh4+ Kg8 88.Rh5 Bc4 89.Rg5+ Kh8 90.Rg7 Bd5 91.Kg6 Be4+ 92.
Kh6 Bd5 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Calvo Minguez, Ricardo"]
[Black "Westerinen, Heikki"]
[Result "1-0"]
[ECO "B99"]
[EventDate "1961.08.21"]
[PlyCount "113"]

1.e4 c5 2.Nf3 Nf6 3.Nc3 d6 4.d4 cxd4 5.Nxd4 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.g4 b5 11.Bxf6 Nxf6 12.g5 Nd7 13.h4 Bb7 14.a3 Nb6 15.Bh3 d5
16.f5 e5 17.f6 exd4 18.fxe7 dxc3 19.exd5 cxb2+ 20.Kb1 Nxd5 21.Rhe1 Nxe7 
22.Rd7 O-O 23.Rxc7 Bxf3 24.Rexe7 Bd5 25.Bd7 g6 26.Kxb2 Kg7 27.Kc3 h6 28.
Kd4 Bc4 29.a4 hxg5 30.hxg5 Rh8 31.a5 Rh2 32.Kc3 Rah8 33.Bc8 R8h4 34.Bxa6 
b4+ 35.Kb2 Bxa6 36.Rxf7+ Kg8 37.Rg7+ Kf8 38.Rcf7+ Ke8 39.Ra7 Kf8 40.Rgc7 
Bb5 41.Rf7+ Kg8 42.Rg7+ Kf8 43.Raf7+ Ke8 44.Rb7 Kf8 45.Rgc7 Be8 46.a6 b3 
47.a7 Ra4 48.Rb8 bxc2 49.a8=Q Rxa8 50.Rxa8 Rg2 51.Rxc2 Rxc2+ 52.Kxc2 Ke7 
53.Ra6 Bd7 54.Kc3 Bf5 55.Kd4 Kf7 56.Ke5 Bd3 57.Ra7+ 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Vinje Gulbrandsen, Arne"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[ECO "E88"]
[EventDate "1961.08.21"]
[PlyCount "72"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6 8.Qd2 cxd5 9.
cxd5 a6 10.O-O-O Nbd7 11.Kb1 b5 12.g4 h5 13.h3 Qa5 14.Bd3 Nc5 15.Bc2 b4 
16.Nce2 Qb5 17.Nc1 a5 18.Qe2 Qb8 19.Bxc5 dxc5 20.Bd3 a4 21.Rh2 Qd6 22.Bc4 
h4 23.Nd3 Nd7 24.Qe3 Ra5 25.Rc1 Bb7 26.b3 Nb6 27.Nb2 axb3 28.Bxb3 Ba6 29.
Rhc2 Rc8 30.Ne2 Bf8 31.Bc4 Bxc4 32.Nxc4 Nxc4 33.Rxc4 Qa6 34.Qd2 b3 35.a4 
Rxa4 36.Rxa4 Qxa4 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Kinnmark, Ove"]
[Black "Kuindzhi, Alexander"]
[Result "1/2-1/2"]
[ECO "C10"]
[EventDate "1961.08.21"]
[PlyCount "172"]

1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bd3 Be7 8.
O-O O-O 9.Ne5 c5 10.dxc5 Bxc5 11.Qe2 Qc7 12.Kh1 Bd6 13.f4 Nd7 14.Nc4 Nc5 
15.Nxd6 Qxd6 16.Bc4 b6 17.b4 Nd7 18.a3 Bb7 19.Bb2 Bd5 20.Qg4 f6 21.Rad1 
Qc6 22.Bxd5 exd5 23.c4 Rf7 24.cxd5 Qc2 25.Ba1 Re8 26.h3 Qb3 27.d6 Qxa3 28.
Rfe1 Rxe1+ 29.Rxe1 Nf8 30.f5 Qd3 31.Rd1 Qb5 32.Qe4 h6 33.Bc3 Kh7 34.Rd5 
Qc6 35.Qd3 a6 36.Kh2 Nd7 37.h4 a5 38.bxa5 bxa5 39.Rxa5 Nc5 40.Qb5 Qxd6+ 
41.Kg1 Ne4 42.Qe8 Qb6+ 43.Kh1 Ng3+ 44.Kh2 Qc7 45.Kg1 Qxc3 46.Qxf7 Qe1+ 47.
Kh2 Nf1+ 48.Kg1 Ne3+ 49.Kh2 Qxh4+ 50.Kg1 Qg3 51.Qg6+ Qxg6 52.fxg6+ Kxg6 
53.Kf2 Nc4 54.Ra7 h5 55.Kf3 Kh6 56.Kf4 Nd6 57.Ra6 Nf7 58.Rb6 Ne5 59.Ra6 
Ng6+ 60.Kf3 Kg5 61.Ra7 Ne5+ 62.Kf2 Ng4+ 63.Kf3 g6 64.Ra5+ f5 65.Rb5 Nf6 
66.Ra5 Nd7 67.Rd5 Nf8 68.Re5 Kf6 69.Ra5 h4 70.Ra6+ Kg5 71.Rd6 Nh7 72.Rc6 
Nf6 73.Rb6 Ng4 74.Rb5 Nh2+ 75.Kf2 Kh5 76.Ra5 Ng4+ 77.Kf3 Kg5 78.Rb5 Nf6 
79.Rc5 Ne4 80.Ra5 Nd2+ 81.Ke2 Ne4 82.Kf3 Ng3 83.Rb5 Kh5 84.Rb6 Kg5 85.Rb5 
Kh5 86.Rb6 Kg5 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Larusson, Gudmundur"]
[Black "Zuidema, Coenraad"]
[Result "0-1"]
[ECO "C68"]
[EventDate "1961.08.21"]
[PlyCount "84"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3 Bc5 6.Nxe5 Qg5 7.d4 Qxg2 8.
Qf3 Qxf3 9.Nxf3 Ba7 10.Rg1 g6 11.Bf4 h5 12.Be3 Bg4 13.Ne5 Rd8 14.f3 Be6 
15.O-O-O Ne7 16.Ne2 Bc8 17.c4 c5 18.d5 b6 19.Bg5 Bb7 20.Nf4 Rg8 21.Rg2 Bb8
22.Rgd2 Rd6 23.Ned3 f6 24.e5 fxe5 25.Nxe5 c6 26.Re1 Nf5 27.Nxc6+ Kf7 28.
Ne5+ Kg7 29.Ne6+ Kh7 30.Bf6 Re8 31.Rg2 Rexe6 32.dxe6 Rxe6 33.Bh8 Nd4 34.
Re3 Bxf3 35.Rg3 Kxh8 36.Nxg6+ Rxg6 37.Re8+ Kh7 38.Re7+ Kh6 39.Rxg6+ Kxg6 
40.h3 h4 41.Kb1 Bg2 42.Re8 Bg3 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Pfleger, Helmut"]
[Black "Parma, Bruno"]
[Result "0-1"]
[ECO "D38"]
[EventDate "1961.08.21"]
[PlyCount "104"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.Qa4+ Nc6 6.Ne5 Bd7 7.Nxd7 Qxd7 8.e3 
O-O 9.Be2 Rfe8 10.O-O Bxc3 11.bxc3 Nxd4 12.Qd1 Nxe2+ 13.Qxe2 Qc6 14.cxd5 
Nxd5 15.Bb2 Nb6 16.Rad1 Rad8 17.Qg4 Qc4 18.Qxc4 Nxc4 19.Bc1 e5 20.e4 f6 
21.f3 Kf7 22.Kf2 Ke7 23.Ke2 Rxd1 24.Rxd1 Rd8 25.Rxd8 Kxd8 26.h4 Kd7 27.g4 
b5 28.Kd3 h6 29.h5 Kd6 30.Kc2 c5 31.Kd3 Kc6 32.a3 Kb6 33.Kc2 a5 34.Kb3 a4+
35.Kc2 Ka6 36.Kd3 Ka5 37.f4 exf4 38.Bxf4 Nxa3 39.e5 fxe5 40.Bxh6 e4+ 41.
Ke2 Nc4 42.Bc1 b4 43.g5 Nd6 44.h6 gxh6 45.gxh6 a3 46.h7 Nf7 47.Ke3 Ka4 48.
cxb4 cxb4 49.Kxe4 b3 50.Bh6 a2 51.Bg7 Ng5+ 52.Kd3 Nxh7 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Thomson, Derek"]
[Black "Nagy, Bela"]
[Result "1/2-1/2"]
[ECO "E35"]
[EventDate "1961.08.21"]
[PlyCount "68"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5 6.Bg5 h6 7.Bxf6 Qxf6 8.a3 
Bxc3+ 9.Qxc3 c6 10.Nf3 O-O 11.e3 Bf5 12.Rc1 Nd7 13.b4 Rac8 14.Bd3 Be4 15.
Bxe4 dxe4 16.Nd2 Rce8 17.Qc2 Qg5 18.O-O f5 19.b5 cxb5 20.Qb3+ Kh8 21.Qxb5 
Nf6 22.Nc4 a6 23.Qxb7 f4 24.exf4 Qxf4 25.Ne5 Rxe5 26.dxe5 Ng4 27.g3 Qf5 
28.Rce1 Qh5 29.h4 Nxe5 30.Rxe4 Nf3+ 31.Kg2 Nd2 32.Re7 Nxf1 33.Kxf1 Qd1+ 
34.Kg2 Qd2 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Gheorghiu, Florin"]
[Black "Pfleger, Helmut"]
[Result "1/2-1/2"]
[ECO "D20"]
[EventDate "1961.08.21"]
[PlyCount "80"]

1.d4 d5 2.c4 dxc4 3.e4 Nf6 4.e5 Nd5 5.Bxc4 e6 6.Nf3 Be7 7.O-O O-O 8.Nbd2 
b6 9.Qe2 Bb7 10.Ne4 Nd7 11.Bd3 c5 12.Neg5 g6 13.Qe4 Nb4 14.Qh4 h5 15.Be4 
Bxe4 16.Qxe4 cxd4 17.Nxe6 Nc5 18.Nxc5 bxc5 19.Bh6 Re8 20.e6 Bf6 21.exf7+ 
Kxf7 22.Qf4 Nd5 23.Qd2 Qd6 24.Rac1 Rac8 25.a3 Re7 26.Rfd1 Re4 27.Qa5 Rc7 
28.Bg5 Qb6 29.Qd2 Kg7 30.Re1 Rce7 31.Rxe4 Rxe4 32.Bxf6+ Nxf6 33.Qc2 c4 34.
Qxc4 Qxb2 35.h3 d3 36.Qc7+ Kh6 37.Rd1 Qc2 38.Qxc2 dxc2 39.Rc1 Ra4 40.Rxc2 
Rxa3 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Kuindzhi, Alexander"]
[Black "Larusson, Gudmundur"]
[Result "1-0"]
[ECO "B82"]
[EventDate "1961.08.21"]
[PlyCount "69"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.f4 Nc6 7.Be3 d5 8.e5 Nd7 
9.a3 a6 10.Nb3 g5 11.Qh5 gxf4 12.Bxf4 Bg7 13.O-O-O Ndxe5 14.Ne4 Qc7 15.Qg5
Kf8 16.Nf2 Qe7 17.Qg3 Rg8 18.Kb1 Qf6 19.Bg5 Qf5 20.Qe3 Ke8 21.Be2 b5 22.g4
Qg6 23.Rhe1 Nc4 24.Bxc4 bxc4 25.Qc5 Bd7 26.Qxd5 Ra7 27.Nc5 Nd4 28.Rxd4 
Bxd4 29.Qxd4 Qxg5 30.Nce4 Qa5 31.Rd1 Rc7 32.Nf6+ Kd8 33.Nxg8 c3 34.Qb4 
Qxb4 35.axb4 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Nagy, Bela"]
[Black "Kinnmark, Ove"]
[Result "0-1"]
[ECO "E54"]
[EventDate "1961.08.21"]
[PlyCount "78"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O dxc4 8.Bxc4 a6
9.a3 cxd4 10.exd4 Be7 11.Qe2 b5 12.Ba2 Bb7 13.Rd1 Nd5 14.Ne4 Nd7 15.Bd2 
N5f6 16.Ng3 Rc8 17.Rac1 Rxc1 18.Rxc1 Qa8 19.Ne1 Bd5 20.Bxd5 Qxd5 21.Be3 
Nb6 22.Nd3 Nc4 23.Nc5 Ra8 24.Nf1 Nd7 25.Nxd7 Qxd7 26.Qc2 Rc8 27.Nd2 Nb6 
28.Qb1 h6 29.Rc2 Bf6 30.Nf3 Qd5 31.Rxc8+ Nxc8 32.Qc2 Nb6 33.b3 Be7 34.Bc1 
Bd6 35.Bb2 a5 36.h3 a4 37.Nd2 axb3 38.Nxb3 Qc4 39.Qd1 Na4 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Parma, Bruno"]
[Black "Thomson, Derek"]
[Result "1-0"]
[ECO "C75"]
[EventDate "1961.08.21"]
[PlyCount "43"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.O-O f6 7.d4 g6 8.d5 Nce7 9.
Bxd7+ Qxd7 10.c4 Nh6 11.Nc3 Nf7 12.Ne1 f5 13.Nd3 f4 14.c5 Bg7 15.Qa4 g5 
16.Qxd7+ Kxd7 17.Bd2 Bf6 18.Rac1 g4 19.Na4 b6 20.cxb6 c5 21.dxc6+ Nxc6 22.
b7 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Westerinen, Heikki"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "1/2-1/2"]
[ECO "C19"]
[EventDate "1961.08.21"]
[PlyCount "46"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Nbc6 8.a4 
Bd7 9.Ba3 Qa5 10.Qd2 cxd4 11.cxd4 Qxd2+ 12.Kxd2 Nf5 13.Bb2 Na5 14.Bc3 Nc4+
15.Bxc4 dxc4 16.Bb4 Bc6 17.c3 Ne7 18.Bxe7 Kxe7 19.Ke3 b6 20.Rhb1 Rab8 21.
Rb4 Rhc8 22.Nd2 Bd5 23.Rab1 Rc6 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Zuidema, Coenraad"]
[Black "Calvo Minguez, Ricardo"]
[Result "1/2-1/2"]
[ECO "B33"]
[EventDate "1961.08.21"]
[PlyCount "94"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nf6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 Be7 10.Nc4 Nd4 11.Bxf6 Bxf6 12.Nd5 O-O 13.c3 Nc6 14.Ndb6 Rb8 15.
Qxd6 Bg4 16.Be2 Qxd6 17.Nxd6 Be6 18.O-O Rfd8 19.Rfd1 Nd4 20.cxd4 Rxd6 21.
Nd5 Bxd5 22.dxe5 Bxe5 23.Rxd5 Rxd5 24.exd5 Bxb2 25.Rd1 Be5 26.d6 Rd8 27.d7
Kf8 28.Bf3 Ke7 29.Bxb7 Rxd7 30.Rxd7+ Kxd7 31.Bxa6 Kd6 32.h4 Kd5 33.Bb7+ 
Kd4 34.a4 Bc7 35.g3 Bb6 36.Kg2 Ke5 37.f4+ Ke6 38.Bc8+ Kd5 39.Kf3 Ba5 40.
Bf5 h5 41.Bc2 Ke6 42.Bb3+ Kf6 43.Ke2 g6 44.Kf3 Ke7 45.g4 hxg4+ 46.Kxg4 Kf6
47.Bc4 Kg7 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Vinje Gulbrandsen, Arne"]
[Black "Zuidema, Coenraad"]
[Result "0-1"]
[ECO "C64"]
[EventDate "1961.08.21"]
[PlyCount "44"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Nf6 5.d4 Bb6 6.Bxc6 bxc6 7.Nxe5 O-O 8.Bg5
Qe8 9.Qf3 Nxe4 10.Qxe4 f6 11.Bf4 fxe5 12.Qxe5 Qf7 13.Be3 Ba6 14.Nd2 Rae8 
15.Qg3 c5 16.Nb3 cxd4 17.Nxd4 Bxd4 18.cxd4 Qc4 19.Kd1 Qe2+ 20.Kc1 Bd3 21.
Bd2 Re6 22.d5 Rf5 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Kinnmark, Ove"]
[Black "Parma, Bruno"]
[Result "0-1"]
[ECO "B28"]
[EventDate "1961.08.21"]
[PlyCount "68"]

1.e4 c5 2.Nf3 a6 3.c3 d6 4.d4 Qc7 5.Bd3 g6 6.O-O Bg7 7.Be3 Nf6 8.h3 O-O 9.
Nbd2 e5 10.dxe5 dxe5 11.Nc4 Nh5 12.a4 Nf4 13.Bxf4 exf4 14.Qe2 Nc6 15.Rfd1 
Be6 16.Ng5 Bd7 17.Bc2 h6 18.Nf3 Be6 19.e5 Rad8 20.Rxd8 Rxd8 21.Rd1 Rxd1+ 
22.Bxd1 Qd7 23.Bc2 Qd5 24.Bb3 Qd8 25.Qe4 Bd5 26.Qxf4 b5 27.axb5 axb5 28.
Ncd2 Bxb3 29.Qe3 Be6 30.Qxc5 Qd5 31.Qb6 Nxe5 32.Nd4 Nc4 33.Qb8+ Kh7 34.
Nxc4 bxc4 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Kuindzhi, Alexander"]
[Black "Nagy, Bela"]
[Result "1-0"]
[ECO "B45"]
[EventDate "1961.08.21"]
[PlyCount "45"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.a3 Be7 7.Be3 O-O 8.f4 d5
9.e5 Nd7 10.Bb5 Qc7 11.O-O a6 12.Nxc6 bxc6 13.Bd3 c5 14.Qh5 g6 15.Qh6 d4 
16.Rf3 f5 17.exf6 Nxf6 18.Bxg6 Bd6 19.Rg3 Kh8 20.Bd2 dxc3 21.Bxc3 Bb7 22.
Bxh7 e5 23.Bd3+ 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Larusson, Gudmundur"]
[Black "Calvo Minguez, Ricardo"]
[Result "0-1"]
[ECO "B44"]
[EventDate "1961.08.21"]
[PlyCount "76"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nb5 d6 6.c4 a6 7.N5c3 Nf6 8.Bd3 
Be7 9.O-O O-O 10.b3 d5 11.cxd5 exd5 12.exd5 Nb4 13.a3 Bg4 14.f3 Nxd3 15.
Qxd3 Be6 16.Rd1 Nxd5 17.Nxd5 Bxd5 18.Be3 Be6 19.b4 Qxd3 20.Rxd3 Bf6 21.Nc3
Bf5 22.Rad1 Bxd3 23.Rxd3 Bxc3 24.Rxc3 Rac8 25.Rxc8 Rxc8 26.Bc5 f6 27.Kf2 
Kf7 28.a4 Rxc5 29.bxc5 Ke6 30.c6 bxc6 31.Ke3 Kd5 32.Kd3 a5 33.h4 c5 34.h5 
g6 35.h6 g5 36.g4 c4+ 37.Kc3 Kc5 38.Kc2 Kb4 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Pfleger, Helmut"]
[Black "Westerinen, Heikki"]
[Result "1-0"]
[ECO "E91"]
[EventDate "1961.08.21"]
[PlyCount "111"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.Be2 d6 6.Bg5 Nbd7 7.Nf3 c5 8.d5 a6 
9.O-O h6 10.Bf4 Qc7 11.Ne1 Ne5 12.Bg3 Rb8 13.f4 Neg4 14.Nc2 h5 15.h3 Nh6 
16.Bd3 Nd7 17.Qe2 b5 18.cxb5 Qb6 19.Bf2 axb5 20.Nxb5 Bxb2 21.Rab1 Bg7 22.
Nb4 Bb7 23.a4 Rfc8 24.Nc6 Bxc6 25.dxc6 Rxc6 26.Nd4 cxd4 27.Rxb6 Rcxb6 28.
Bb5 Nc5 29.g4 hxg4 30.hxg4 Kf8 31.g5 Ng8 32.Qc4 Nxe4 33.Bxd4 Bxd4+ 34.Qxd4
Ng3 35.Re1 Nf5 36.Qc4 Nh4 37.Rc1 R6b7 38.Qd5 Nf5 39.Rc8+ Rxc8 40.Qxb7 Rc1+
41.Kf2 Rb1 42.Qc8+ Kg7 43.Qc3+ Kf8 44.Bd3 Rh1 45.Bxf5 gxf5 46.a5 Rh2+ 47.
Kg3 Ra2 48.a6 e5 49.Qc8+ Kg7 50.Qb7 Ne7 51.a7 Ra3+ 52.Kf2 Ra2+ 53.Ke1 Ra1+
54.Kd2 Ra2+ 55.Kc1 Nd5 56.fxe5 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Thomson, Derek"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[ECO "E61"]
[EventDate "1961.08.21"]
[PlyCount "74"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Bf4 O-O 5.Nf3 d6 6.Qd2 Nbd7 7.h3 a6 8.e4 c5 
9.d5 Qa5 10.Bd3 b5 11.O-O bxc4 12.Bxc4 Qb4 13.Bd3 Nh5 14.Be3 Rb8 15.Rab1 
Ne5 16.Nxe5 Bxe5 17.a3 Qa5 18.Be2 f5 19.Bxh5 f4 20.Bxc5 Qxc5 21.Bf3 Bd7 
22.Rfc1 Qa5 23.Rc2 Rb3 24.Rbc1 Rfb8 25.Bg4 Bxg4 26.hxg4 Kf7 27.g5 Qd8 28.
Kh1 h6 29.gxh6 Qh8 30.g3 Qxh6+ 31.Kg2 Rh8 32.Rg1 Qh3+ 33.Kf3 Kg7 34.Ke2 
Qg4+ 35.Ke1 fxg3 36.f3 Qxf3 37.Rf1 Rh1 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Calvo Minguez, Ricardo"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "1/2-1/2"]
[ECO "C02"]
[EventDate "1961.08.21"]
[PlyCount "117"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Bd7 6.Be2 Bb5 7.Be3 Nc6 8.O-O Bxe2 
9.Qxe2 cxd4 10.cxd4 Nge7 11.a3 Nf5 12.b4 Be7 13.Nc3 Rc8 14.Rac1 O-O 15.Na4
Ncxd4 16.Nxd4 Nxd4 17.Qg4 Qa6 18.Nc3 Rxc3 19.Qxd4 Rxc1 20.Rxc1 Qxa3 21.Rc7
Qxb4 22.Qxb4 Bxb4 23.Bxa7 b5 24.Kf1 g6 25.Ke2 Ra8 26.Kd3 Kg7 27.Rb7 h6 28.
Rxb5 Rxa7 29.Rxb4 Ra2 30.Ke3 Rc2 31.Ra4 g5 32.h4 Kg6 33.hxg5 hxg5 34.g4 
Rc1 35.Kd2 Rb1 36.Ke2 Rb2+ 37.Ke3 Rb3+ 38.Ke2 Rb2+ 39.Ke3 Rc2 40.Rb4 Rc3+ 
41.Ke2 Rc2+ 42.Ke3 Rc3+ 43.Ke2 Rc6 44.Ke3 f6 45.Kd4 Rc2 46.Rb6 fxe5+ 47.
Kd3 Rxf2 48.Rxe6+ Rf6 49.Rxe5 Rf4 50.Rxd5 Rxg4 51.Ke2 Rf4 52.Rd3 Kh5 53.
Rd1 Rf5 54.Ke3 g4 55.Rh1+ Kg5 56.Ke2 Ra5 57.Kf2 Kf4 58.Rb1 Ra2+ 59.Kg1 
1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Gheorghiu, Florin"]
[Black "Kinnmark, Ove"]
[Result "1-0"]
[ECO "E11"]
[EventDate "1961.08.21"]
[PlyCount "59"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 d5 5.e3 O-O 6.Qc2 c6 7.Bd3 Nbd7 8.O-O 
Bd6 9.e4 dxe4 10.Nxe4 Nxe4 11.Bxe4 h6 12.b3 e5 13.Bb2 exd4 14.Bxd4 Nc5 15.
Bh7+ Kh8 16.Rad1 Qc7 17.h3 a5 18.Bb2 Ne6 19.Bf5 b5 20.Rfe1 b4 21.Ne5 Nc5 
22.Rxd6 Qxd6 23.Nxf7+ Rxf7 24.Re8+ Qf8 
    ( 24...Rf8 25.Qd2 $1 Rxe8 
        ( 25...Qxd2 26.Rxf8# )
    26.Qxd6 $18 )
25.Rxf8+ Rxf8 26.Qd2 Kg8 27.Qd4 Rf7 28.Bxc8 Rxc8 29.Qxc5 Rcf8 30.Bd4 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Nagy, Bela"]
[Black "Larusson, Gudmundur"]
[Result "0-1"]
[ECO "E45"]
[EventDate "1961.08.21"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.Ng3 c5 7.d5 b5 8.cxb5 Bb7 
9.d6 O-O 10.f3 Ne8 11.e4 Qf6 12.Be3 Nxd6 13.Qxd6 Bxc3+ 14.bxc3 Qxc3+ 15.
Kf2 Qxa1 16.Bxc5 Rc8 17.Be2 Qxa2 18.Nh5 Qc2 19.Nf6+ Kh8 20.Bd4 Qc7 21.Ne8 
Qxd6 22.Nxd6 Rc7 23.Nxb7 Rxb7 24.Rc1 Nc6 25.bxc6 dxc6 26.Ba6 Rb4 27.Be3 
Rb2+ 28.Kg3 Ra2 29.Rxc6 h6 30.e5 Rb8 31.Rc8+ Rxc8 32.Bxc8 a5 33.f4 a4 34.
Ba6 a3 35.Bc5 Rd2 36.Bxa3 Ra2 37.Bc4 Rxa3+ 38.Kg4 Kh7 39.Be2 Kg6 40.Bd1 
Rc3 41.g3 Kh7 {Time} 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Parma, Bruno"]
[Black "Kuindzhi, Alexander"]
[Result "0-1"]
[ECO "B88"]
[EventDate "1961.08.21"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 e6 7.Bb3 Be7 8.Be3 
O-O 9.O-O Na5 10.f4 b6 11.e5 Ne8 12.Qf3 Bb7 13.Qg3 Nxb3 14.axb3 Kh8 15.
Rad1 Qb8 16.Nf3 Qc7 17.Bd4 dxe5 18.fxe5 Rd8 19.Ng5 Bxg5 20.Qxg5 h6 21.Qg3 
Qc6 22.Rf4 g5 23.Rg4 Ng7 24.Qh3 Nf5 25.Rf1 Kg7 26.Bf2 Qc7 27.Re1 Rd2 28.
Be3 Nxe3 29.Qxe3 Qc5 30.Qxc5 bxc5 31.Re2 Rfd8 32.Ra4 Rxe2 33.Nxe2 Rd2 34.
Kf2 Rxc2 35.Rxa7 Bxg2 36.Rc7 Bd5 37.Ke3 Bxb3 38.Ng3 Bd5 39.b4 c4 40.b5 
Rxh2 41.Ne2 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Westerinen, Heikki"]
[Black "Thomson, Derek"]
[Result "1-0"]
[ECO "D45"]
[EventDate "1961.08.21"]
[PlyCount "31"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 e6 5.Nc3 Nbd7 6.Qc2 Be7 7.b3 O-O 8.Bd3 c5 
9.O-O cxd4 10.exd4 h6 11.Re1 Re8 12.cxd5 exd5 13.Nb5 Rf8 14.Bf4 Ne8 15.Nc7
Bb4 16.Nxa8 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Zuidema, Coenraad"]
[Black "Pfleger, Helmut"]
[Result "1-0"]
[ECO "C41"]
[EventDate "1961.08.21"]
[PlyCount "79"]

1.e4 d6 2.d4 e5 3.Nf3 Nd7 4.Bc4 c6 5.O-O Be7 6.dxe5 dxe5 7.Ng5 Bxg5 8.Qh5 
g6 9.Qxg5 Qxg5 10.Bxg5 h6 11.Be3 g5 12.Nd2 Ngf6 13.f3 Ke7 14.Bb3 Ne8 15.a4
Nc7 16.Nc4 Ne6 17.Rfd1 Nec5 18.Bxc5+ Nxc5 19.Nxe5 Nxb3 20.cxb3 Be6 21.Nc4 
Rhd8 22.Kf2 Rxd1 23.Rxd1 a5 24.Ke3 b5 25.axb5 cxb5 26.Nb6 Rb8 27.Nd5+ Kf8 
28.Rc1 Kg7 29.Rc5 Rb7 30.Kd4 h5 31.Nc3 Rd7+ 32.Ke3 b4 33.Ne2 Kf6 34.Nd4 
Ra7 35.h4 gxh4 36.Rxh5 a4 37.bxa4 Rxa4 38.Nxe6 Kxe6 39.Kd3 Ra1 40.Rxh4 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Kinnmark, Ove"]
[Black "Westerinen, Heikki"]
[Result "0-1"]
[ECO "C05"]
[EventDate "1961.08.21"]
[PlyCount "81"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.exd5 exd5 5.Bd3 Nc6 6.c3 Bd6 7.Ngf3 O-O 8.O-O 
Ne7 9.Ne5 Bf5 10.Bxf5 Nxf5 11.Qf3 Qc8 12.Re1 Re8 13.Nf1 c5 14.Qd3 Ne4 15.
Nf3 c4 16.Qc2 b5 17.N1d2 Nf6 18.Rxe8+ Nxe8 19.Nf1 Nf6 20.Bd2 Ne4 21.Re1 f6
22.Bc1 b4 23.N3d2 Ng5 24.Qa4 Ne6 25.Qa5 Ne7 26.Nf3 Qc7 27.Qa4 Kf7 28.Qc2 
Nf8 29.Ne3 Qd7 30.h4 bxc3 31.bxc3 Rb8 32.h5 Kg8 33.Nh4 Re8 34.Qe2 Nc8 35.
Qf3 Bc7 36.Bd2 Nb6 37.h6 g6 38.Qxf6 Bd8 39.Qf4 Re4 40.Qf3 Bxh4 41.Rb1 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Kuindzhi, Alexander"]
[Black "Gheorghiu, Florin"]
[Result "1-0"]
[ECO "B81"]
[EventDate "1961.08.21"]
[PlyCount "107"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 a6 7.g5 Nfd7 8.Bg2 Be7
9.f4 Nc6 10.Be3 Nxd4 11.Qxd4 e5 12.Qd2 exf4 13.Bxf4 Ne5 14.Nd5 Bg4 15.O-O 
O-O 16.Kh1 Rc8 17.b3 Be6 18.c4 Bxd5 19.cxd5 Ng6 20.Bh3 Rb8 21.Be3 f6 22.
gxf6 Bxf6 23.Rac1 Qe7 24.Be6+ Kh8 25.Qg2 Be5 26.Qg4 Rxf1+ 27.Rxf1 Rf8 28.
Rf5 Rxf5 29.exf5 Nf8 30.Qh5 g6 31.Qg5 Qc7 32.Qh6 Qe7 33.Qg5 Qc7 34.Qh6 Qe7
35.Bg5 Bf6 36.h4 b5 37.b4 Bxg5 38.Qxg5 Qxg5 39.hxg5 gxf5 40.Bc8 Ng6 41.
Bxa6 Nf4 42.Bxb5 Nxd5 43.a3 Kg7 44.Bc6 Ne3 45.a4 Kg6 46.a5 Kxg5 47.a6 Nc4 
48.a7 Nb6 49.a8=Q Nxa8 50.Bxa8 Kf6 51.b5 Ke6 52.b6 Kd7 53.Bd5 h5 54.Kg2 
1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Larusson, Gudmundur"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "0-1"]
[ECO "C18"]
[EventDate "1961.08.21"]
[PlyCount "78"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Qg4 f5 8.Qg3 
cxd4 9.cxd4 Ne7 10.Bd2 O-O 11.Bd3 b6 12.Ne2 Ba6 13.Nf4 Qd7 14.O-O Bxd3 15.
Qxd3 Nbc6 16.a4 Rac8 17.Rfb1 Rc7 18.Rb2 Rfc8 19.Raa2 Nd8 20.Qb5 Nec6 21.
Ne2 Nb7 22.Qd3 Nca5 23.Bb4 Rc4 24.Kf1 Qe8 25.h3 R8c7 26.Rb1 Nc6 27.Bd2 Rf7
28.Rbb2 Nxd4 29.a5 Nc5 30.Qa3 Nxe2 31.Kxe2 Ra4 32.Qe3 f4 33.Qc3 d4 34.Qf3 
Rxa2 35.Rxa2 Qb5+ 36.Kd1 Qb1+ 37.Bc1 Qxa2 38.axb6 axb6 39.Qa8+ Qxa8 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Nagy, Bela"]
[Black "Parma, Bruno"]
[Result "0-1"]
[ECO "E55"]
[EventDate "1961.08.21"]
[PlyCount "80"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O dxc4 8.Bxc4 
Nbd7 9.Qe2 b6 10.a3 cxd4 11.exd4 Bxc3 12.bxc3 Qc7 13.Bd2 Bb7 14.Bd3 Rfe8 
15.Rfe1 Rad8 16.Rad1 Qd6 17.Bc1 Qc6 18.c4 e5 19.d5 Qd6 20.Bc2 Ba6 21.Bb2 
e4 22.Nd4 Ne5 23.Nb5 Bxb5 24.cxb5 Neg4 25.g3 e3 26.f3 Nf2 27.Rd4 Rc8 28.
Bb3 Nd7 29.Kg2 Nc5 30.Bc2 Qd7 31.Rh4 h6 32.Bd4 Qxd5 33.Bxe3 Ncd3 34.Bxd3 
Nxd3 35.Rd1 Rc3 36.Qd2 Qb3 37.Bf2 Nxf2 38.Qd7 Re2 39.Qd8+ Kh7 40.Rd6 Ne4+ 
0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Pfleger, Helmut"]
[Black "Calvo Minguez, Ricardo"]
[Result "1-0"]
[ECO "D47"]
[EventDate "1961.08.21"]
[PlyCount "125"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 b4
9.Ne2 Bb7 10.O-O c5 11.Ne5 Bd6 12.Nxd7 Qxd7 13.dxc5 Bxc5 14.Bc2 O-O-O 15.
Qxd7+ Rxd7 16.a3 bxa3 17.bxa3 Kb8 18.Ba4 Rd6 19.Bb2 Rd2 20.Be5+ Ka8 21.Nd4
Ng4 22.Nb3 Rd5 23.Nxc5 Rxc5 24.Bd4 Rh5 25.Bd1 e5 26.Bxg4 Rg5 27.Bxe5 Rxg4 
28.f3 Rg5 29.Bd4 Rc8 30.a4 f6 31.a5 Rc6 32.h4 Rh5 33.Rfb1 Ra6 34.Rb4 Rd5 
35.Rab1 Rd7 36.Rb5 Rc6 37.Kf2 Kb8 38.Kg3 Ka8 39.Kf4 Kb8 40.g4 Ka8 41.R1b2 
Rc8 42.h5 Ba6 43.R5b4 h6 44.e4 Rb7 45.Rxb7 Bxb7 46.Rb5 Bc6 47.Rc5 Kb7 48.
Rc1 a6 49.Bb6 Re8 50.Kf5 Re5+ 51.Kg6 Re7 52.Rd1 Be8+ 53.Kh7 g6+ 54.Kxh6 
gxh5 55.gxh5 Re5 56.Rd5 Rxd5 57.exd5 Bf7 58.f4 Kc8 59.Bd4 Kd7 60.Bxf6 Kd6 
61.Kg5 Bxd5 62.h6 Be4 63.f5 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Thomson, Derek"]
[Black "Zuidema, Coenraad"]
[Result "0-1"]
[ECO "E39"]
[EventDate "1961.08.21"]
[PlyCount "44"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.Nf3 c5 6.dxc5 Na6 7.a3 Bxc3+ 8.Qxc3
Nxc5 9.b4 Nce4 10.Qc2 a5 11.Rb1 axb4 12.axb4 d5 13.Nd2 Bd7 14.c5 Ba4 15.
Qd3 e5 16.e3 b6 17.cxb6 Qxb6 18.f3 Rfc8 19.Ra1 Rc3 20.fxe4 Rxd3 21.Bxd3 
Qxe3+ 22.Be2 Rc8 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Calvo Minguez, Ricardo"]
[Black "Thomson, Derek"]
[Result "1-0"]
[ECO "B88"]
[EventDate "1961.08.21"]
[PlyCount "59"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6 7.O-O Be7 8.Bb3 
O-O 9.Be3 Na5 10.Qe2 b6 11.Rad1 Bb7 12.e5 Nxb3 13.axb3 Ne8 14.Qh5 Qc8 15.
exd6 Bxd6 16.Rfe1 Nf6 17.Qh3 Rd8 18.Bg5 Bc5 19.Bxf6 gxf6 20.Qh4 Rxd4 21.
Rxd4 Bxd4 22.Qxd4 e5 23.Qh4 Qc6 24.Ne4 Kg7 25.Re3 Rd8 26.h3 Rd1+ 27.Kh2 f5
28.Rg3+ Kf8 29.Nf6 Rd4 30.Nxh7+ 
    ( 30.Nxh7+ Ke8 31.Rg8+ Kd7 32.Qd8+ Ke6 33.Nf8# )
1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Gheorghiu, Florin"]
[Black "Nagy, Bela"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1961.08.21"]
[PlyCount "119"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Nbd7 6.e3 c6 7.Bd3 Be7 8.Qc2 
h6 9.Bh4 O-O 10.Nf3 Re8 11.O-O-O Ne4 12.Bxe4 Bxh4 13.Bd3 Nf8 14.h3 Be6 15.
Kb1 Rc8 16.Nxh4 Qxh4 17.g3 Qd8 18.f4 Rc7 19.g4 Bc8 20.Qf2 Rce7 21.Rhe1 Qd6
22.f5 g5 23.e4 f6 24.exd5 cxd5 25.Rxe7 Rxe7 26.Qf3 Kg7 27.Nxd5 Rd7 28.Be4 
b6 29.h4 Bb7 30.Nc3 Bxe4+ 31.Nxe4 Qd5 32.hxg5 hxg5 33.Qd3 Re7 34.Nc3 Qg2 
35.d5 Qxg4 36.d6 Rd7 37.a3 Qf4 38.Qd5 Qe5 39.Qxe5 fxe5 40.Ne4 Nh7 41.Kc2 
g4 42.Kc3 Nf6 43.Nxf6 Kxf6 44.Kc4 Kxf5 45.Kd5 e4 46.Rf1+ Kg5 47.Ke6 Rd8 
48.Rf5+ Kg6 49.Rf4 Re8+ 50.Kd5 e3 51.d7 Rd8 52.Kd6 g3 53.Rf3 g2 54.Rg3+ 
Kf5 55.Rxg2 Kf4 56.Kc7 Kf3 57.Rg7 e2 58.Rf7+ Kg2 59.Re7 Rxd7+ 60.Kxd7 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Vinje Gulbrandsen, Arne"]
[Black "Pfleger, Helmut"]
[Result "0-1"]
[ECO "B09"]
[EventDate "1961.08.21"]
[PlyCount "56"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Be2 c5 7.d5 b5 8.e5 dxe5 9.
fxe5 Ng4 10.Bf4 Nd7 11.Bxb5 Ndxe5 12.h3 Nxf3+ 13.Qxf3 Ne5 14.Qe3 a6 15.
Bxe5 Bxe5 16.Qxe5 axb5 17.Nxb5 f6 18.Qe4 Ba6 19.Nc3 e5 20.dxe6 Re8 21.Kf2 
Qd2+ 22.Kg3 f5 23.Qe5 Bb7 24.Qe2 Qd6+ 25.Kf2 Rxe6 26.Qc4 Qd2+ 27.Ne2 Qe3+ 
28.Kf1 Ba6 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Parma, Bruno"]
[Black "Larusson, Gudmundur"]
[Result "1-0"]
[ECO "C14"]
[EventDate "1961.08.21"]
[PlyCount "47"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 O-O 8.Nf3 
a6 9.Bd3 f6 10.exf6 gxf6 11.O-O b5 12.f5 e5 13.Nxd5 Qd6 14.Be4 Bb7 15.
Nxf6+ Nxf6 16.Bxb7 Ra7 17.dxe5 Qb6+ 18.Kh1 Ng4 19.Bd5+ Kh8 20.Ng5 Nf2+ 21.
Rxf2 Qxf2 22.Nf7+ Rxf7 23.Bxf7 Nc6 24.f6 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Westerinen, Heikki"]
[Black "Kuindzhi, Alexander"]
[Result "0-1"]
[ECO "C14"]
[EventDate "1961.08.21"]
[PlyCount "124"]

1.d4 e6 2.e4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qd2 O-O 8.f4 
c5 9.Nf3 Nc6 10.O-O-O Nb6 11.Nb5 cxd4 12.Nbxd4 Bd7 13.Kb1 Rac8 14.c3 Na4 
15.Bd3 Nc5 16.Ng5 h6 17.h4 f5 18.exf6 gxf6 19.Ngf3 Nxd4 20.Nxd4 Nxd3 21.
Qxd3 Qh7 22.f5 e5 23.Ne6 Bxe6 24.fxe6 Qxd3+ 25.Rxd3 Rc6 26.Rg3+ Kh7 27.Rd1
Rd6 28.Rgd3 Rxe6 29.Rxd5 Rf7 30.Rd8 h5 31.Ra8 a6 32.Rdd8 Kg6 33.Kc2 Rg7 
34.Kd3 Kf5 35.Rg8 Ree7 36.Raf8 Rxg8 37.Rxg8 Kf4 38.Ke2 Rh7 39.g3+ Ke4 40.
Rg6 Kf5 41.Rg8 Ke4 42.Rg6 Rf7 43.Rh6 Rg7 44.Kf2 Rd7 45.Ke2 Rd3 46.Rg6 Re3+
47.Kd2 f5 48.Rg5 f4 49.gxf4 exf4 50.Rxh5 Rh3 51.Rh8 Rh2+ 52.Ke1 Rxb2 53.h5
Rxa2 54.h6 Kf3 55.h7 Re2+ 56.Kf1 Re7 57.c4 a5 58.c5 a4 59.Kg1 Ke2 60.Kh2 
f3 61.Kg3 f2 62.Rf8 Rg7+ 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Zuidema, Coenraad"]
[Black "Kinnmark, Ove"]
[Result "1-0"]
[ECO "A04"]
[EventDate "1961.08.21"]
[PlyCount "151"]

1.Nf3 Nf6 2.g3 c5 3.Bg2 Nc6 4.O-O g6 5.d3 Bg7 6.e4 O-O 7.Nbd2 d5 8.a4 e5 
9.exd5 Nxd5 10.Nc4 Nb6 11.Nxb6 axb6 12.Be3 h6 13.Qc1 Kh7 14.Nd2 f5 15.Nc4 
f4 16.gxf4 exf4 17.Bxf4 Nd4 18.Re1 Nxc2 19.Qxc2 Rxf4 20.Ne5 Qd4 21.Nf3 Qd8
22.Re4 Qf8 23.Qe2 Bg4 24.Rxf4 Qxf4 25.Qe3 Qxe3 26.fxe3 Bd7 27.d4 Rxa4 28.
Rc1 c4 29.Nd2 b5 30.Bxb7 Rb4 31.Rc2 h5 32.Kf2 Kh6 33.Nf3 Bf6 34.Bd5 g5 35.
Ne5 Bxe5 36.dxe5 Kg6 37.e4 h4 38.Kg1 Rb3 39.Rf2 Bh3 40.Rf6+ Kg7 41.Rf7+ 
Kg6 42.Rf6+ Kg7 43.Rf7+ Kg6 44.e6 Bxe6 45.Bxe6 Rxb2 46.Rf3 Re2 47.h3 Kg7 
48.Bd5 Rd2 49.Rf7+ Kg6 50.Rc7 Kf6 51.Rc5 Ke5 52.Bxc4+ Kxe4 53.Rxb5 Kf4 54.
Be6 Rd6 55.Bg4 Rf6 56.Kf2 Rf8 57.Ke2 Re8+ 58.Kd2 Re5 59.Rb8 Rd5+ 60.Kc3 
Ke5 61.Rf8 Kd6 62.Rf7 Ra5 63.Kb4 Ra1 64.Rg7 Ke5 65.Rxg5+ Kf6 66.Rh5 Kg7 
67.Rxh4 Ra6 68.Rh5 Rh6 69.Rc5 Rf6 70.Kc4 Rg6 71.Kd4 Rd6+ 72.Ke5 Rd3 73.
Rc7+ Kh8 74.Kf6 Rd6+ 75.Be6 Rb6 76.Re7 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Kinnmark, Ove"]
[Black "Calvo Minguez, Ricardo"]
[Result "0-1"]
[ECO "B66"]
[EventDate "1961.08.21"]
[PlyCount "100"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.Bc4 
Qa5 9.Nb3 Qc7 10.O-O b5 11.Bd3 Be7 12.a4 b4 13.Ne2 O-O 14.Ned4 Nxd4 15.
Nxd4 Bb7 16.Rae1 Rfd8 17.Kh1 d5 18.exd5 Rxd5 19.Nf3 h6 20.Bf4 Qc6 21.b3 
Rad8 22.Qe2 Rh5 23.Rg1 Bd6 24.Ne5 Qc7 25.Bg3 Bxe5 26.Bxe5 Rxe5 27.Qxe5 Ng4
28.Qg3 Qxg3 29.hxg3 Nxf2+ 30.Kh2 Ng4+ 31.Kh1 Nf2+ 32.Kh2 Nxd3 33.cxd3 Rxd3
34.Rb1 Bd5 35.a5 Rd2 36.Rbd1 Ra2 37.Ra1 Bxb3 38.Rab1 Bd5 39.Rxb4 Rxa5 40.
Rc1 Ra2 41.g4 Rxg2+ 42.Kh3 Ra2 43.Rc7 g5 44.Rb8+ Kg7 45.Rcc8 a5 46.Rg8+ 
Kf6 47.Rh8 Ke5 48.Rxh6 f5 49.Rg8 Kf4 50.Rf6 Ra1 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Kuindzhi, Alexander"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[ECO "C64"]
[EventDate "1961.08.21"]
[PlyCount "44"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nd4 5.Nxd4 Bxd4 6.c3 Bb6 7.d4 c6 8.Ba4 
d6 9.Na3 Bc7 10.d5 Ne7 11.Bg5 f6 12.Be3 O-O 13.c4 cxd5 14.cxd5 a6 15.Bc2 
b5 16.Bd3 Bb6 17.Nc2 f5 18.a4 fxe4 19.Bxe4 Bf5 20.Bxf5 Nxf5 21.axb5 Bxe3 
22.Nxe3 Nxe3 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Larusson, Gudmundur"]
[Black "Pfleger, Helmut"]
[Result "0-1"]
[ECO "B17"]
[EventDate "1961.08.21"]
[PlyCount "54"]

1.e4 c6 2.Nc3 d5 3.d4 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Ng3 e6 7.Bd3 Be7 8.Qe2 
c5 9.O-O O-O 10.Rd1 Qc7 11.c3 b6 12.Ne5 Bb7 13.Bf4 Nd5 14.Bc1 N7f6 15.c4 
Nb4 16.Bb1 cxd4 17.Rxd4 Nc6 18.Nxc6 Qxc6 19.Ne4 Rad8 20.Rxd8 Rxd8 21.f3 b5
22.c5 Nxe4 23.Bxe4 Bxc5+ 24.Kf1 Qd6 25.Bxb7 Qxh2 26.Be3 Qh1+ 27.Kf2 Bxe3+ 
0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Nagy, Bela"]
[Black "Westerinen, Heikki"]
[Result "0-1"]
[ECO "E43"]
[EventDate "1961.08.21"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.f3 d5 7.a3 Be7 8.Nge2 c5 9.
dxc5 bxc5 10.cxd5 exd5 11.O-O O-O 12.Qc2 Nc6 13.Rd1 Ne5 14.Bf5 Qb6 15.Rb1 
a5 16.f4 Ng6 17.Ng3 Nh4 18.Bh3 d4 19.Na4 Qc6 20.exd4 cxd4 21.Qxc6 Bxc6 22.
Rxd4 Rad8 23.Rxd8 Rxd8 24.Nc3 Bc5+ 25.Kf1 Re8 26.Bd2 Ng4 27.Nge2 Nxh2+ 28.
Ke1 Nxg2+ 29.Kd1 Nf1 30.Bxg2 Bxg2 31.Kc2 Rxe2 32.Nxe2 Be4+ 33.Kd1 Bxb1 34.
Bxa5 h5 35.b4 Bd6 36.a4 h4 37.Ke1 h3 38.Kxf1 Bd3 39.Kf2 Bxe2 40.Kg3 Bg4 
41.b5 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Parma, Bruno"]
[Black "Gheorghiu, Florin"]
[Result "1-0"]
[ECO "B82"]
[EventDate "1961.08.21"]
[PlyCount "49"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4 a6 7.Bd3 b5 8.e5 dxe5 
9.fxe5 Nd5 10.Qg4 Nb4 11.O-O Nxd3 12.cxd3 Ra7 13.Be3 Rd7 14.Rf2 h5 15.Qf3 
Bb7 16.Ne4 Qh4 17.h3 Bxe4 18.dxe4 Bb4 19.a3 Ba5 20.Raf1 Bb6 21.Nxe6 Bxe3 
22.Nxg7+ Kf8 23.Qxe3 Kxg7 24.e6 Rc7 25.Qd4+ 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Thomson, Derek"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "0-1"]
[ECO "A17"]
[EventDate "1961.08.21"]
[PlyCount "77"]

1.c4 Nf6 2.Nc3 e6 3.g3 c5 4.Bg2 Nc6 5.Nf3 Be7 6.d4 cxd4 7.Nxd4 a6 8.O-O 
Qc7 9.Nc2 Na5 10.b3 d5 11.Bd2 dxc4 12.b4 Nc6 13.b5 axb5 14.Nxb5 Qd7 15.Qb1
O-O 16.Bf4 e5 17.Rd1 Qf5 18.Be3 Ng4 19.h3 Nxe3 20.Nxe3 Qxb1 21.Rdxb1 Na5 
22.Nd5 Bc5 23.Nbc7 Rb8 24.Rb5 b6 25.e3 Bd7 26.Rbb1 b5 27.Na6 Rbc8 28.Nac7 
c3 29.Rc1 Ba3 30.Rxc3 Bb2 31.Ne7+ Kh8 32.Rd1 Bxc3 33.Nxc8 Bxc8 34.Nxb5 Bb4
35.Rb1 Be7 36.Nc7 Kg8 37.Rb5 Bd8 38.Nd5 Be6 39.Ne7+ 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Calvo Minguez, Ricardo"]
[Black "Kuindzhi, Alexander"]
[Result "0-1"]
[ECO "B51"]
[EventDate "1961.08.21"]
[PlyCount "86"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bg4 5.Bxc6+ bxc6 6.d3 e5 7.Nbd2 g5 8.Nc4
h6 9.b3 Qf6 10.Bb2 Ne7 11.h3 Bxf3 12.Qxf3 Qxf3 13.gxf3 Ng6 14.Kh2 Nh4 15.
Nd2 h5 16.Rg1 Bh6 17.Rad1 Kd7 18.Bc1 Rag8 19.Rg3 g4 20.fxg4 Bf4 21.Kh1 
Bxg3 22.fxg3 Ng6 23.gxh5 Rxh5 24.Kh2 Rgh8 25.h4 d5 26.Rf1 Ke6 27.Nf3 f6 
28.Be3 c4 29.bxc4 d4 30.Bc1 R5h7 31.Nd2 Rg8 32.Kh3 Rhg7 33.Nf3 Rb7 34.h5 
Rh8 35.g4 Rb1 36.Kg2 Ne7 37.Nh4 Rg8 38.Nf5 Nxf5 39.exf5+ Kf7 40.Kf3 Ra1 
41.h6 Rxa2 42.g5 fxg5 43.Ke4 Rxc2 {Time} 0-1

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Gheorghiu, Florin"]
[Black "Larusson, Gudmundur"]
[Result "1-0"]
[ECO "E14"]
[EventDate "1961.08.21"]
[PlyCount "37"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 Ne4 6.O-O f5 7.Qc2 d6 8.Nbd2 Nxd2
9.Nxd2 Nc6 10.a3 g6 11.b4 e5 12.d5 Ne7 13.e4 fxe4 14.Nxe4 b5 15.f4 bxc4 
16.Nf6+ Kf7 17.fxe5 cxd3 18.e6+ Kg7 19.Qc3 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Vinje Gulbrandsen, Arne"]
[Black "Kinnmark, Ove"]
[Result "1/2-1/2"]
[ECO "E24"]
[EventDate "1961.08.21"]
[PlyCount "30"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d6 7.e4 b6 8.Bg5 Nbd7
9.Bd3 Qc7 10.Ne2 O-O 11.O-O Bb7 12.Ng3 Rfc8 13.f4 h6 14.Bxf6 Nxf6 15.e5 
Ne8 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Pfleger, Helmut"]
[Black "Thomson, Derek"]
[Result "1-0"]
[ECO "B23"]
[EventDate "1961.08.21"]
[PlyCount "83"]

1.e4 c5 2.Ne2 Nc6 3.Nbc3 d6 4.d3 g6 5.Be3 Bg7 6.g3 Bg4 7.Bg2 Qc8 8.O-O Bh3
9.Bxh3 Qxh3 10.d4 cxd4 11.Nxd4 Nxd4 12.Bxd4 Bxd4 13.Qxd4 Nf6 14.Rfe1 O-O 
15.Nd5 Nxd5 16.exd5 Qd7 17.Re4 Rfe8 18.Rae1 e5 19.dxe6 fxe6 20.Qe3 Rac8 
21.c3 Kf7 22.Qh6 Kg8 23.Qh3 Rc6 24.Rxe6 Rxe6 25.Qxe6+ Qxe6 26.Rxe6 Kf7 27.
Re2 Ra6 28.a3 Rc6 29.f4 a5 30.Kf2 Rc4 31.Ke3 a4 32.Kd3 b5 33.Re4 Rc5 34.c4
bxc4+ 35.Rxc4 Rh5 36.h4 Rb5 37.Rb4 Rxb4 38.axb4 h5 39.Kc4 Ke6 40.b5 Kd7 
41.Kb4 Kc7 42.Kxa4 1-0

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Westerinen, Heikki"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "E48"]
[EventDate "1961.08.21"]
[PlyCount "50"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.a3 dxc4 7.Bxc4 Bd6 8.Nf3 
Nc6 9.b4 e5 10.d5 Ne7 11.O-O a6 12.Ng5 Bf5 13.Bd3 e4 14.Ngxe4 Nxe4 15.Bxe4
Bxe4 16.Nxe4 Nxd5 17.Nxd6 Qxd6 18.Bb2 Rad8 19.Rc1 Qe6 20.Qd4 f6 21.Rfd1 
Rd7 22.Qc4 Rfd8 23.Rd4 Qf7 24.Rcd1 c6 25.Qc5 Ne7 1/2-1/2

[Event "6th World U20 ch final A"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Zuidema, Coenraad"]
[Black "Nagy, Bela"]
[Result "0-1"]
[ECO "E30"]
[EventDate "1961.08.21"]
[PlyCount "68"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 exd5 7.cxd5 d6 8.e3 Bf5 
9.Bb5+ Nbd7 10.Ne2 O-O 11.O-O Qe7 12.Ng3 Qe5 13.Nxf5 Qxf5 14.Bxd7 Nxd7 15.
Be7 Rfe8 16.Bxd6 Nf6 17.Rc1 b6 18.e4 Nxe4 19.Nxe4 Rxe4 20.Qc2 Qxd5 21.Rfd1
Rae8 22.h3 Qg5 23.a3 Be1 24.Bg3 Re2 25.Qd3 Qf6 26.Qf3 Qxb2 27.Rc4 Bd2 28.
Kh2 Bg5 29.Rd7 R2e7 30.Rxe7 Rxe7 31.a4 Bf6 32.Qf5 Bd4 33.Rc2 Qb3 34.Bd6 
Qe6 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Gilden, Lawrence"]
[Black "Kuttner, Uwe"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1961.08.21"]
[PlyCount "90"]

1.b4 d5 2.Bb2 Bf5 3.f4 Qd6 4.a3 Qxf4 5.Nf3 Nd7 6.e3 Qd6 7.c4 Bxb1 8.Rxb1 
dxc4 9.Bxc4 e6 10.e4 Nb6 11.Bb5+ c6 12.Be2 Qd8 13.O-O f6 14.Qb3 Qd7 15.a4 
Nh6 16.a5 Nc8 17.Nd4 e5 18.Ne6 Bd6 19.Bh5+ g6 20.Rxf6 Ng8 21.Rxg6 hxg6 22.
Bxg6+ Ke7 23.Nf8 Kxf8 24.Rf1+ Ke7 25.Rf7+ Kd8 26.Rxd7+ Kxd7 27.Bf5+ Kc7 
28.Qe6 Nge7 29.Qd7+ Kb8 30.a6 bxa6 31.Qe6 Rd8 32.h4 Kb7 33.h5 Bc7 34.Bg4 
Rd6 35.Qf7 Rxd2 36.h6 Nd6 37.Qxe7 Rxb2 38.h7 Nxe4 39.Qg7 Rb1+ 40.Kh2 Nf2 
41.Bf5 e4+ 42.g3 Rb3 43.h8=Q Rxh8+ 44.Qxh8 Rxg3 45.Bc8+ Kb8 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Jakobsen, Ole"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "B09"]
[EventDate "1961.08.21"]
[PlyCount "71"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Be2 Bg4 7.h3 Bxf3 8.Bxf3 c6
9.Be3 Nbd7 10.Qd2 Nb6 11.Qe2 d5 12.e5 Nfd7 13.b3 e6 14.h4 Nc8 15.h5 Re8 
16.g4 Ne7 17.hxg6 fxg6 18.O-O-O b5 19.Qh2 Nf8 20.Ne2 Qa5 21.Kb1 Qb6 22.Ng3
a5 23.f5 exf5 24.Bh6 fxg4 25.Bxg4 Ra7 26.Bxg7 Kxg7 27.Qh6+ Kh8 28.Rdf1 Nf5
29.Nxf5 gxf5 30.Rxf5 Rg7 31.Bh5 Rc8 32.Rf7 Rxf7 33.Bxf7 Qd8 34.Rg1 Ng6 35.
Rxg6 Qf8 36.Rg8+ 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Minaya Molano, Juan"]
[Black "Diekstra, John"]
[Result "1-0"]
[ECO "E04"]
[EventDate "1961.08.21"]
[PlyCount "131"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.g3 dxc4 5.Bg2 Bb4+ 6.Bd2 Qe7 7.Qa4+ Nc6 8.Ne5 
O-O 9.Nxc6 Bxd2+ 10.Nxd2 bxc6 11.Bxc6 Bd7 12.Bxd7 Nxd7 13.Nxc4 Rfd8 14.O-O
Nb6 15.Nxb6 axb6 16.Qc4 b5 17.Qc3 Ra4 18.e3 Rda8 19.Rfc1 R8a7 20.Qc5 Qd7 
21.Qc6 Qxc6 22.Rxc6 Kf8 23.Rc5 Rb4 24.Rc2 Ke7 25.a3 Kd6 26.Rac1 Rba4 27.
Rd1 b4 28.axb4 Rxb4 29.f4 Kd5 30.Rc5+ Kd6 31.Rc2 Kd5 32.Rc5+ Kd6 33.Rd2 
Ra1+ 34.Kf2 Rb1 35.Rcc2 Ra4 36.e4 Raa1 37.e5+ Kd7 38.d5 Rc1 39.dxe6+ Kxe6 
40.Rxc1 Rxc1 41.Ke3 h5 42.Ke4 g6 43.Kd3 Kd5 44.Ke3+ Ke6 45.Kd3 Kd5 46.Ke3+
Ke6 47.Re2 Kd5 48.Kd2 Rf1 49.Ke3 Rc1 50.Kf3 Ke6 51.Kg2 Kf5 52.Kh3 Rc4 53.
Rf2 Rc6 54.Kh4 Rc4 55.h3 g5+ 56.Kxh5 gxf4 57.Rxf4+ Rxf4 58.gxf4 Kxf4 59.h4
Kxe5 60.Kg5 f6+ 61.Kg6 f5 62.h5 f4 63.h6 Ke4 64.h7 f3 65.h8=Q Ke3 66.Qe5+ 
1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Phillips, James Rodney"]
[Black "Smith, David"]
[Result "1/2-1/2"]
[ECO "D93"]
[EventDate "1961.08.21"]
[PlyCount "113"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 c6 6.Qb3 O-O 7.Nf3 Qa5 8.Be2 dxc4
9.Bxc4 b5 10.Be2 Be6 11.Qc2 Nd5 12.Be5 f6 13.Bg3 Bf5 14.Qd2 Nxc3 15.bxc3 
Nd7 16.O-O Rfd8 17.a4 bxa4 18.Qa2+ Kh8 19.Qxa4 Qxc3 20.Ra3 Qb2 21.Ba6 Nb6 
22.Qa5 Bc8 23.Bc4 Bf5 24.Ba6 Bc8 25.Bd3 Rd5 26.Qc3 Qxc3 27.Rxc3 Bb7 28.Be4
Ra5 29.Rfc1 Rc8 30.h4 Nd5 31.Rc5 Rxc5 32.Rxc5 Bf8 33.Ra5 Ra8 34.Nd2 e6 35.
Nc4 Nc3 36.Bf3 Bb4 37.Ra1 a5 38.Nd6 Bxd6 39.Bxd6 a4 40.Bb4 Nb5 41.Bd1 a3 
42.Bc5 e5 43.dxe5 fxe5 44.Be2 Kg7 45.Bxb5 cxb5 46.Rxa3 Rxa3 47.Bxa3 Kf6 
48.f3 e4 49.Kf2 Ke5 50.Ke2 Kd5 51.fxe4+ Kc4 52.Kd2 Bxe4 53.g3 Bf5 54.Bb2 
Kd5 55.Ba3 Ke4 56.Bd6 Kf3 57.Bf4 1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Rosino, Antonio"]
[Black "Keogh, Eamon"]
[Result "1-0"]
[ECO "C15"]
[EventDate "1961.08.21"]
[PlyCount "33"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd3 Ne7 5.Qg4 dxe4 6.Qxe4 Nbc6 7.Nf3 Ng6 8.h4 
Qd5 9.Qe3 Bd7 10.Bd2 Qa5 11.a3 O-O-O 12.O-O-O Be7 13.Nb5 Qb6 14.c4 e5 15.
c5 exd4 16.Qxe7 Qxb5 17.Qxd8+ 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Diekstra, John"]
[Black "Rosino, Antonio"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1961.08.21"]
[PlyCount "68"]

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4 g6 6.g3 Bg7 7.Bg2 O-O 8.O-O c6 
9.h3 Re8 10.Be3 a6 11.Qc2 b5 12.cxb5 cxb5 13.a3 Bb7 14.d5 Rc8 15.Ne1 Nb6 
16.Nd3 Nc4 17.Bc1 Qc7 18.a4 bxa4 19.Qxa4 Nd7 20.Qd1 Nc5 21.Nxc5 Qxc5 22.
Na4 Qb5 23.Qd3 Rc7 24.Nc3 Qb3 25.Rb1 Rb8 26.Bf3 Bc8 27.Bd1 Qb4 28.Kg2 h5 
29.Na2 Qb5 30.b4 Ne3+ 31.Qxe3 Bxh3+ 32.Kh2 Qxf1 33.Bf3 Rc2 34.Rb2 Rbc8 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Holaszek, Hans"]
[Black "Minaya Molano, Juan"]
[Result "1/2-1/2"]
[ECO "B68"]
[EventDate "1961.08.21"]
[PlyCount "77"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
Bd7 9.f4 Be7 10.Nf3 b5 11.e5 b4 12.exd6 bxc3 13.Qxc3 Bf8 14.f5 Qa5 15.Bxf6
gxf6 16.Qxf6 Rg8 17.Bc4 Bg7 18.fxe6 fxe6 19.Qh4 Rb8 20.Bb3 Rxb3 21.axb3 
Qa1+ 22.Kd2 Qxb2 23.Qxh7 Rf8 24.Ke2 Ne5 25.Nd4 Bb5+ 26.Nxb5 axb5 27.Rhf1 
Nd7 28.Rxf8+ Nxf8 29.Qh5+ Kd8 30.Qxb5 Qxc2+ 31.Rd2 Qe4+ 32.Kd1 Qb1+ 33.Ke2
Qe4+ 34.Kf1 Qf4+ 35.Ke2 Qe4+ 36.Kd1 Qb1+ 37.Ke2 Qe4+ 38.Kf1 Qf4+ 39.Ke2 
1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Keogh, Eamon"]
[Black "Gilden, Lawrence"]
[Result "0-1"]
[ECO "B28"]
[EventDate "1961.08.21"]
[PlyCount "98"]

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Nxd4 e5 5.Nf3 Nf6 6.Bc4 Qc7 7.Qe2 b5 8.Bb3 h6
9.O-O Bb7 10.Nc3 d6 11.a4 bxa4 12.Bxa4+ Nbd7 13.Rd1 g6 14.Bxd7+ Nxd7 15.
Nd5 Qd8 16.Bd2 Bxd5 17.exd5 Qb6 18.b4 Bg7 19.Ra5 O-O 20.c3 Qb7 21.Ne1 Rfc8
22.c4 Nb6 23.Rc1 Kh7 24.Be3 Nd7 25.Qd2 Nf6 26.f3 Rab8 27.Nd3 e4 28.fxe4 
Nxe4 29.Qe1 Qe7 30.Rxa6 Bc3 31.Rxc3 Nxc3 32.Ra7 Qf6 33.Bd2 Re8 34.Qf2 
Qxf2+ 35.Nxf2 Rxb4 36.Rxf7+ Kg8 37.Rg7+ Kf8 38.Bxc3 Rb1+ 39.Nd1 Rxd1+ 40.
Kf2 Rc1 41.Rxg6 Rxc3 42.Rxd6 Ra8 43.h3 Ra2+ 44.Kg1 Kg7 45.Rd7+ Kg6 46.Rd6+
Kh5 47.Rd8 Rg3 48.d6 Rgxg2+ 49.Kf1 Rh2 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Kuttner, Uwe"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[ECO "D94"]
[EventDate "1961.08.21"]
[PlyCount "86"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Be2 e6 7.O-O b6 8.cxd5 exd5
9.Ne5 Bb7 10.b4 c6 11.a4 Nbd7 12.Nxd7 Qxd7 13.Ba3 Rfe8 14.Qb3 Bf8 15.Rac1 
Bd6 16.Rfd1 Qe7 17.Nb1 Ne4 18.g3 h5 19.b5 c5 20.dxc5 bxc5 21.Nd2 d4 22.Bc4
Nxf2 23.Kxf2 dxe3+ 24.Kg1 exd2 25.Rxd2 Rad8 26.Rf1 Rf8 27.Re2 Qc7 28.Bb2 
Kh7 29.Bxf7 c4 30.Bxg6+ Kh6 31.Bc1+ Bf4 32.Bxf4+ Qxf4 33.gxf4 cxb3 34.f5 
Rd4 35.h3 Rxa4 36.Re7 Bd5 37.Rh7+ Kg5 38.Rxh5+ Kf6 39.Rh6 Ra2 40.Rb1 b2 
41.Bh7+ Kg7 42.Ra6 Rxa6 43.bxa6 Rb8 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Rubinetti, Jorge Alberto"]
[Black "Phillips, James Rodney"]
[Result "0-1"]
[ECO "D26"]
[EventDate "1961.08.21"]
[PlyCount "130"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.Qe2 a6 7.dxc5 Bxc5 8.e4 
Nc6 9.O-O b5 10.Bb3 Nd4 11.Nxd4 Qxd4 12.Nc3 O-O 13.Be3 Qe5 14.Bxc5 Qxc5 
15.Rac1 Qh5 16.Qxh5 Nxh5 17.Rfd1 Bb7 18.f3 Rfd8 19.Kf2 Nf4 20.Bc2 Rac8 21.
g3 Ng6 22.Bb3 Ne5 23.Ke2 Kf8 24.Rxd8+ Rxd8 25.Rd1 Rxd1 26.Nxd1 Ke7 27.Nf2 
Kd6 28.f4 Nc6 29.e5+ Kc7 30.Kd3 Na5 31.Bc2 Bd5 32.b3 Nc6 33.Kc3 b4+ 34.Kd3
a5 35.Ke3 a4 36.Nd3 a3 37.Nc1 h6 38.Bd1 Kb6 39.Bh5 g6 40.Be2 Na7 41.Bd3 
Nc6 42.Be2 Ne7 43.Bd3 Kc5 44.Kd2 Bc6 45.Ke3 Bh1 46.Bc4 Nf5+ 47.Kd3 Bg2 48.
Kd2 Be4 49.Nd3+ Bxd3 50.Kxd3 Nd4 51.Ke3 g5 52.h3 Nf5+ 53.Kf3 Kd4 54.fxg5 
hxg5 55.Kg4 Kc3 56.Kxg5 Kb2 57.g4 Nd4 58.Kf6 Kxa2 59.h4 Kb1 60.h5 a2 61.h6
a1=Q 62.h7 Nc6 63.Kxf7 Qxe5 64.Bd3+ Kc1 65.Kg8 Qg5+ 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Jakobsen, Ole"]
[Black "Rosino, Antonio"]
[Result "1-0"]
[ECO "D98"]
[EventDate "1961.08.21"]
[PlyCount "41"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 
Nfd7 9.Rd1 Na6 10.b4 c6 11.Qb3 Nc7 12.Be2 e5 13.O-O Bxf3 14.Bxf3 Ne6 15.
dxe5 Bxe5 16.Bg4 Re8 17.f4 Bc7 18.e5 Qh4 19.Bxe6 Nxe5 20.Bh3 Ng4 21.Rd7 
1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Kuttner, Uwe"]
[Black "Keogh, Eamon"]
[Result "1-0"]
[ECO "A80"]
[EventDate "1961.08.21"]
[PlyCount "87"]

1.d4 f5 2.Bg5 h6 3.Bh4 g5 4.Bg3 Nf6 5.Be5 Bg7 6.e3 d6 7.Bxf6 Bxf6 8.Qh5+ 
Kf8 9.Nd2 e6 10.c3 Bd7 11.Qd1 Be8 12.Qb3 Qc8 13.e4 Bf7 14.Qc2 d5 15.exf5 
exf5 16.Bd3 f4 17.O-O-O c5 18.dxc5 Qxc5 19.Nb3 Qb6 20.Bg6 Be6 21.Nf3 Nc6 
22.Nfd4 Nxd4 23.Nxd4 Bxd4 24.Rxd4 Qxd4 25.cxd4 Rc8 26.Re1 Rxc2+ 27.Kxc2 
Bd7 28.Re5 Bc6 29.Bh5 Kg7 30.b4 Kf6 31.Kb3 Rh7 32.a4 a6 33.Be2 Re7 34.Rxe7
Kxe7 35.b5 axb5 36.a5 Kd6 37.Kb4 Be8 38.Bxb5 Bf7 39.Ba4 Be6 40.Be8 Kc7 41.
Bh5 Kd6 42.Kb5 Bd7+ 43.Kb6 Bc6 44.Bg4 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Phillips, James Rodney"]
[Black "Minaya Molano, Juan"]
[Result "1-0"]
[ECO "E76"]
[EventDate "1961.08.21"]
[PlyCount "71"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.f4 d6 6.Nf3 c5 7.dxc5 Qa5 8.Bd3 Qxc5
9.Qe2 Nc6 10.Be3 Qa5 11.O-O Ng4 12.Bd2 Qc5+ 13.Kh1 Nd4 14.Nxd4 Bxd4 15.b4 
Qh5 16.h3 Qh4 17.Be1 Qh6 18.Rc1 Ne3 19.Rf3 Bg4 20.Bd2 Bxf3 21.Qxf3 Qg7 22.
Ne2 Bb2 23.Rb1 Nxc4 24.Bxc4 Rac8 25.Qb3 Bf6 26.Nc3 Rfe8 27.Re1 a6 28.a4 
Bd4 29.f5 g5 30.Nd5 h6 31.Qd3 Kh8 32.f6 Bxf6 33.Nxf6 exf6 34.Bc3 Re5 35.
Bxe5 dxe5 36.Qd5 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Rubinetti, Jorge Alberto"]
[Black "Diekstra, John"]
[Result "1-0"]
[ECO "D51"]
[EventDate "1961.08.21"]
[PlyCount "67"]

1.d4 d5 2.Nf3 e6 3.c4 Nf6 4.Nc3 Nbd7 5.Bg5 c6 6.cxd5 exd5 7.e3 Bd6 8.Bd3 
h6 9.Bh4 O-O 10.Qc2 Re8 11.O-O Qc7 12.Rac1 a6 13.Rb1 Qd8 14.b4 Qe7 15.Qb3 
g5 16.Bg3 Ne4 17.Bxe4 Bxg3 18.hxg3 dxe4 19.Nd2 Nf6 20.Qc2 Bf5 21.a4 Qe6 
22.b5 cxb5 23.axb5 Rad8 24.Nb3 Nd7 25.Qe2 Ra8 26.bxa6 bxa6 27.Na4 Rab8 28.
Nbc5 Rxb1 29.Rxb1 Nxc5 30.Nxc5 Qc6 31.Qa2 Ra8 32.Qa5 Bc8 33.Qd8+ Kh7 34.
Rb6 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Smith, David"]
[Black "Holaszek, Hans"]
[Result "1-0"]
[ECO "E70"]
[EventDate "1961.08.21"]
[PlyCount "69"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bg5 O-O 6.Bd3 c6 7.f4 Qb6 8.Nge2 e5 
9.fxe5 dxe5 10.Na4 Qa5+ 11.Bd2 Qd8 12.d5 b5 13.cxb5 cxd5 14.Bb4 Re8 15.Ng3
Nxe4 16.Nxe4 dxe4 17.Bc4 Qxd1+ 18.Rxd1 Bg4 19.O-O Bxd1 20.Bxf7+ Kh8 21.
Rxd1 Rc8 22.Bd5 a5 23.Bxa8 axb4 24.Bxe4 Bh6 25.Kf2 Kg7 26.b6 Kf6 27.b7 Rf8
28.Ke2 Ke7 29.Nb6 b3 30.a4 Rd8 31.Nc8+ Ke8 32.Bd3 Rd4 33.Bb5+ Kd8 34.Rxd4+
exd4 35.a5 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Gilden, Lawrence"]
[Black "Diekstra, John"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1961.08.21"]
[PlyCount "86"]

1.b4 e5 2.Bb2 Bxb4 3.Bxe5 Nf6 4.Nf3 Be7 5.e3 d5 6.Be2 c5 7.O-O Nc6 8.Bb2 
Bf5 9.d3 h6 10.Nbd2 Qc7 11.c4 Nb4 12.Ne5 dxc4 13.Ndxc4 b5 14.Na3 a6 15.e4 
Be6 16.f4 Rd8 17.f5 Bd6 18.Nf3 Bc8 19.e5 Bxf5 20.exd6 Qxd6 21.Ne5 Bxd3 22.
Bxd3 c4 23.Qe1 O-O 24.Be4 Rfe8 25.Kh1 Nxe4 26.Qxe4 Nd3 27.Rad1 Nf2+ 28.Kg1
Nxd1 29.Qf3 Qb6+ 30.Kh1 Nxb2 31.Qxf7+ Kh8 32.Qf5 Rxe5 33.Qxe5 Nd3 34.Qf5 
Qd4 35.Nc2 Qe5 36.Qg4 Re8 37.h3 Qe4 38.Qh5 Kh7 39.Rf3 Qg6 40.Qd5 Ne1 41.
Nxe1 Rxe1+ 42.Kh2 Qe6 43.Qd2 Re2 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Jakobsen, Ole"]
[Black "Keogh, Eamon"]
[Result "1-0"]
[ECO "B43"]
[EventDate "1961.08.21"]
[PlyCount "37"]

1.e4 c5 2.Nf3 Qc7 3.Nc3 e6 4.d4 cxd4 5.Nxd4 a6 6.a3 b5 7.Be3 Bb7 8.Bd3 b4 
9.axb4 Bxb4 10.O-O Bxc3 11.bxc3 Nf6 12.Nb3 Nxe4 13.Bxe4 Bxe4 14.Qd4 Bxc2 
15.Qxg7 Rf8 16.Bh6 Qd6 17.Nd4 Bg6 18.Nb5 Qc6 19.Qxf8# 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Phillips, James Rodney"]
[Black "Kuttner, Uwe"]
[Result "1-0"]
[ECO "D83"]
[EventDate "1961.08.21"]
[PlyCount "77"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Rc1 c5 7.dxc5 Be6 8.Nf3 Nc6
9.Ng5 Qa5 10.Be2 Rad8 11.Nxe6 fxe6 12.O-O d4 13.Nb5 e5 14.Bg3 a6 15.exd4 
axb5 16.cxb5 Nxd4 17.Bc4+ Kh8 18.Bxe5 Nxb5 19.Qe1 Qxe1 20.Rfxe1 Nd4 21.b4 
Rd7 22.b5 Ng4 23.Bg3 Rc8 24.c6 bxc6 25.b6 e5 26.h3 Nh6 27.Rxe5 Nhf5 28.Bh2
Bxe5 29.Bxe5+ Ng7 30.b7 Rxb7 31.Bxd4 Re7 32.f4 h5 33.g4 Re4 34.Be5 g5 35.
gxh5 gxf4 36.Ba1 Rce8 37.Kf2 R8e6 38.Bxe6 Rxe6 39.Rg1 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Rosino, Antonio"]
[Black "Holaszek, Hans"]
[Result "1/2-1/2"]
[ECO "E88"]
[EventDate "1961.08.21"]
[PlyCount "41"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 c6 7.Qd2 e5 8.d5 cxd5 9.
cxd5 a6 10.Bd3 Nbd7 11.Nge2 Nc5 12.O-O Nxd3 13.Qxd3 Bd7 14.b4 Nh5 15.g4 
Nf4 16.Qd2 Nxe2+ 17.Nxe2 Rc8 18.Rac1 Qe7 19.a3 Bb5 20.Rf2 Bc4 21.Bh6 
1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Smith, David"]
[Black "Rubinetti, Jorge Alberto"]
[Result "0-1"]
[ECO "B09"]
[EventDate "1961.08.21"]
[PlyCount "98"]

1.d4 d6 2.e4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Be2 c5 7.dxc5 Qa5 8.O-O 
Qxc5+ 9.Kh1 Nc6 10.Nd2 a6 11.Nb3 Qb6 12.g4 Be6 13.g5 Nd7 14.Bg4 Bxg4 15.
Qxg4 e6 16.Qh3 Ne7 17.Be3 Qc7 18.Rf3 b5 19.a3 Rac8 20.Qh4 Rfd8 21.Raf1 Qc4
22.Kg1 Nf8 23.Qf2 Bxc3 24.bxc3 Qxe4 25.Bd4 Nf5 26.Bf6 Re8 27.Nd4 Nd7 28.
Nxf5 Qxf5 29.Bd4 Rc4 30.Qh4 h5 31.gxh6 Kh7 32.R1f2 Ra4 33.Rg3 Rxa3 34.c4 
Rxg3+ 35.hxg3 bxc4 36.g4 Qe4 37.c3 Rb8 38.Rf1 Rb2 39.Qg3 Rb1 40.Rxb1 Qxb1+
41.Kh2 Qc2+ 42.Kg1 Qd1+ 43.Kh2 Qe2+ 44.Kg1 e5 45.fxe5 dxe5 46.Be3 Qd1+ 47.
Kg2 Nf6 48.g5 Qe2+ 49.Kh3 Ne4 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Diekstra, John"]
[Black "Jakobsen, Ole"]
[Result "1-0"]
[ECO "A89"]
[EventDate "1961.08.21"]
[PlyCount "101"]

1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nc3 O-O 6.Nf3 d6 7.O-O Nc6 8.Rb1 Ne4 
9.e3 Nxc3 10.bxc3 e5 11.e4 fxe4 12.Ng5 Qe8 13.Bxe4 h6 14.Nf3 Bg4 15.Re1 
Kh8 16.Rxb7 exd4 17.h3 Bxf3 18.Bxf3 Qd7 19.Bg2 dxc3 20.c5 Rab8 21.Rxb8 
Rxb8 22.Qc2 Ne7 23.c6 Qf5 24.Be4 Qf6 25.Re3 d5 26.Bd3 Nf5 27.Rf3 Nd4 28.
Rxf6 Nxc2 29.Rf7 Nb4 30.Bxg6 Nxc6 31.Rxc7 Ne5 32.Bf5 Nc4 33.Kf1 Re8 34.Rc8
Rxc8 35.Bxc8 d4 36.Ke2 Nd6 37.Be6 Kh7 38.Kd3 Kg6 39.Ba3 Nf7 40.f4 h5 41.
Bc5 Nd8 42.Bb3 Nc6 43.Ba4 Nd8 44.Bxd4 Bxd4 45.Kxd4 Ne6+ 46.Kxc3 h4 47.Bc2+
Kf6 48.gxh4 Nxf4 49.Kc4 Ke5 50.Kb5 Nd5 51.a3 {Time} 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Holaszek, Hans"]
[Black "Gilden, Lawrence"]
[Result "0-1"]
[ECO "B42"]
[EventDate "1961.08.21"]
[PlyCount "82"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Qc7 6.O-O Nf6 7.Be3 b5 8.a3 Bb7
9.Nc3 Nc6 10.Qe2 Ne5 11.h3 Be7 12.f4 Nxd3 13.cxd3 O-O 14.Rac1 Qd8 15.e5 
Nd5 16.Nxd5 Bxd5 17.f5 f6 18.exf6 Bxf6 19.Qg4 e5 20.Ne2 Bf7 21.Ng3 d5 22.
Nh5 Bxh5 23.Qxh5 Rc8 24.Rxc8 Qxc8 25.Bg5 Qc5+ 26.Kh2 Qd6 27.Bxf6 e4+ 28.
Kh1 Qxf6 29.dxe4 dxe4 30.Qe2 Qe5 31.g4 e3 32.Rf3 Re8 33.g5 Qe4 34.f6 gxf6 
35.gxf6 Kf7 36.Kh2 Qe5+ 37.Kh1 Qd5 38.Kh2 Qd2 39.Qxd2 exd2 40.Rd3 Re2+ 41.
Kg3 Re3+ 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Keogh, Eamon"]
[Black "Phillips, James Rodney"]
[Result "1/2-1/2"]
[ECO "B21"]
[EventDate "1961.08.21"]
[PlyCount "64"]

1.e4 c5 2.f4 e6 3.Nf3 d5 4.exd5 exd5 5.Bb5+ Bd7 6.Bxd7+ Qxd7 7.O-O Nf6 8.
d4 Nc6 9.Re1+ Be7 10.dxc5 O-O 11.Be3 Rac8 12.c3 a5 13.a3 Ra8 14.Nbd2 a4 
15.Kh1 Ng4 16.Bg1 Ra5 17.Nc4 Rxc5 18.Nb6 Qd8 19.Nxa4 Rc4 20.Nd4 Nxd4 21.
Bxd4 Bf6 22.Qxg4 Bxd4 23.cxd4 Rxa4 24.Qd1 Rc4 25.b3 Rc8 26.Qd2 Qb6 27.Rab1
h6 28.h3 Qg6 29.Rbc1 Qg3 30.Rxc8 Rxc8 31.Qe3 Qg6 32.Qe5 Qg3 1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Kuttner, Uwe"]
[Black "Smith, David"]
[Result "1-0"]
[ECO "E97"]
[EventDate "1961.08.21"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.b4 Nh5 10.g3 f5 11.Ng5 Nf6 12.f3 a5 13.bxa5 Rxa5 14.Bd2 Ra8 15.a4 c6 16.
Be3 Nh5 17.Bf2 Bf6 18.Ne6 Bxe6 19.dxe6 c5 20.Nb5 Nc8 21.Qd5 Qe7 22.Rad1 
Rd8 23.exf5 gxf5 24.f4 Ng7 25.fxe5 dxe5 26.Qxd8+ Qxd8 27.Rxd8+ Bxd8 28.Rd1
Nxe6 29.Bf3 e4 30.Bh5 Nd4 31.Nxd4 cxd4 32.Rxd4 Bb6 33.c5 Bc7 34.Rd7 Be5 
35.Bd1 b6 36.Bb3+ Kf8 37.Rf7+ Ke8 38.Rxf5 Bc7 39.Rf7 Bd8 40.Rxh7 bxc5 41.
Bd5 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Minaya Molano, Juan"]
[Black "Rosino, Antonio"]
[Result "1-0"]
[ECO "D83"]
[EventDate "1961.08.21"]
[PlyCount "85"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Rc1 c5 7.dxc5 Na6 8.cxd5 
Nxc5 9.Bc4 Qa5 10.a3 Nfe4 11.Ne2 Nxc3 12.Nxc3 Na4 13.Qb3 Bd7 14.O-O Nb6 
15.Bb5 Bxc3 16.Bxd7 Bf6 17.Bb5 a6 18.Be2 Nxd5 19.Bh6 Rfd8 20.e4 Nc7 21.Be3
b5 22.Rc6 Ne6 23.e5 Bg7 24.Rxe6 fxe6 25.Qxe6+ Kf8 26.Bd1 Rxd1 27.Rxd1 Qc7 
28.f4 Qc2 29.Qd5 Re8 30.b4 e6 31.Qc5+ Qxc5 32.Bxc5+ Kg8 33.Rd6 Bh6 34.g3 
g5 35.f5 Bf8 36.Rxe6 Rxe6 37.fxe6 Bg7 38.Bd6 g4 39.Kf2 Bh6 40.Ke2 Bc1 41.
Kd3 h5 42.Ke4 Kg7 43.Kd5 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Gilden, Lawrence"]
[Black "Minaya Molano, Juan"]
[Result "0-1"]
[ECO "E88"]
[EventDate "1961.08.21"]
[PlyCount "54"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.f3 d6 6.Be3 e5 7.d5 c6 8.Qd2 cxd5 9.
cxd5 a6 10.O-O-O b5 11.Kb1 Bd7 12.a3 Qc7 13.Nge2 a5 14.Na2 Na6 15.Rc1 Qb7 
16.Qxa5 Nc5 17.Qc3 Rfc8 18.Qe1 Nxd5 19.Bxc5 dxc5 20.exd5 Bf5+ 21.Ka1 b4 
22.Qd2 e4 23.Nec3 exf3 24.gxf3 bxc3 25.Nxc3 Qb3 26.Bd3 Rxa3+ 27.bxa3 Ra8 
0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Jakobsen, Ole"]
[Black "Holaszek, Hans"]
[Result "1/2-1/2"]
[ECO "C35"]
[EventDate "1961.08.21"]
[PlyCount "78"]

1.f4 e5 2.e4 exf4 3.Nf3 Be7 4.Nc3 Nf6 5.d4 d5 6.e5 Ne4 7.Bxf4 Nc6 8.Bb5 
O-O 9.O-O f6 10.Qd3 Bf5 11.Nxd5 fxe5 12.Nxe7+ Qxe7 13.Nxe5 Nxe5 14.Bxe5 
Nd6 15.Qe2 Nxb5 16.Qxb5 c6 17.Qe2 Bg6 18.c4 Rxf1+ 19.Rxf1 Rf8 20.Re1 Qf7 
21.Bg3 Re8 22.Be5 Rf8 23.Bg3 Re8 24.Qxe8+ Qxe8 25.Rxe8+ Bxe8 26.d5 cxd5 
27.cxd5 Kf7 28.Kf2 Bb5 29.a3 Bc4 30.d6 Ke6 31.Bf4 h5 32.g3 g6 33.Ke3 Bb5 
34.Kd4 Bc6 35.h4 a6 36.Kc5 Kd7 37.Kb6 Be4 38.Kc5 Bc6 39.Kd4 Ke6 1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Phillips, James Rodney"]
[Black "Diekstra, John"]
[Result "1-0"]
[ECO "E00"]
[EventDate "1961.08.21"]
[PlyCount "91"]

1.d4 Nf6 2.c4 e6 3.Nc3 b6 4.e4 d6 5.Bd3 Bb7 6.d5 Nbd7 7.f4 Nc5 8.Nf3 c6 9.
O-O Be7 10.e5 Nfd7 11.dxe6 Nxe6 12.f5 Nec5 13.f6 gxf6 14.exd6 Bxd6 15.Bc2 
Qc7 16.Qe2+ Ne6 17.Bf5 Ne5 18.Bxe6 fxe6 19.Nxe5 Bxe5 20.Bf4 O-O-O 21.Bxe5 
fxe5 22.Rae1 Rhg8 23.Qxe5 Rg6 24.Qxc7+ Kxc7 25.Rf7+ Rd7 26.Ref1 Rg7 27.
Rxg7 Rxg7 28.Rd1 a6 29.c5 bxc5 30.Ne4 c4 31.Nc5 Bc8 32.Rd4 c3 33.bxc3 Rg5 
34.Ne4 Rd5 35.Nf6 Rc5 36.Nxh7 Rxc3 37.Rd2 e5 38.Nf6 Bf5 39.g4 Bb1 40.h4 
Ra3 41.h5 Bxa2 42.Rxa2 Rxa2 43.h6 Ra1+ 44.Kf2 Kd6 45.h7 Rh1 46.Nh5 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Rubinetti, Jorge Alberto"]
[Black "Kuttner, Uwe"]
[Result "0-1"]
[ECO "E98"]
[EventDate "1961.08.21"]
[PlyCount "80"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Nc6 8.d5 Ne7 
9.Ne1 Nd7 10.Nd3 f5 11.exf5 gxf5 12.f4 Ng6 13.Be3 exf4 14.Nxf4 Nxf4 15.
Bxf4 Ne5 16.Qd2 Bd7 17.Rae1 Qf6 18.Kh1 a6 19.Nd1 b5 20.c5 Rae8 21.c6 Bc8 
22.Bh5 Nc4 23.Qf2 Re4 24.Nc3 Rd4 25.b3 Nb6 26.Be3 Rd3 27.Bxb6 cxb6 28.Nd1 
Rxd5 29.Bf3 Re5 30.Qxb6 Rfe8 31.Qf2 Qe7 32.Rxe5 dxe5 33.Nc3 e4 34.Nd5 Qf7 
35.Nb6 exf3 36.Qxf3 Qe6 37.h3 Qe4 38.Nxc8 Qxf3 39.Rxf3 Rxc8 40.Rxf5 Rxc6 
0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Smith, David"]
[Black "Keogh, Eamon"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1961.08.21"]
[PlyCount "49"]

1.b4 e5 2.Bb2 Bxb4 3.Bxe5 Nf6 4.Nf3 Nc6 5.Bb2 d5 6.e3 O-O 7.Be2 Bf5 8.O-O 
Bd6 9.d3 Qe7 10.Nbd2 Rad8 11.c4 dxc4 12.Nxc4 Be6 13.Nxd6 Qxd6 14.Qa4 Qb4 
15.Qc2 Qa5 16.Bc3 Nb4 17.Qb2 Nfd5 18.Bxg7 Rfe8 19.Bh6 f6 20.e4 Nb6 21.Qxf6
Rd7 22.Ne5 Rde7 23.Bh5 Nd7 24.Qg5+ Kh8 25.Nf7+ 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Diekstra, John"]
[Black "Smith, David"]
[Result "1/2-1/2"]
[ECO "E70"]
[EventDate "1961.08.21"]
[PlyCount "58"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bd3 O-O 6.Nge2 e5 7.d5 Nbd7 8.h3 a5 
9.Be3 Nc5 10.Bc2 Ne8 11.Ng3 b6 12.h4 f5 13.exf5 gxf5 14.Bg5 Bf6 15.Qh5 Ng7
16.Qh6 Qe7 17.Nb5 Na6 18.O-O-O Bd7 19.Nc3 a4 20.f4 e4 21.Ncxe4 fxe4 22.
Nxe4 Ne8 23.Nxf6+ Nxf6 24.Bxf6 Rxf6 25.Bxh7+ Qxh7 26.Qxf6 Nb4 27.Qg5+ Kh8 
28.Qf6+ Kg8 29.Qg5+ Kh8 1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Holaszek, Hans"]
[Black "Phillips, James Rodney"]
[Result "0-1"]
[ECO "C78"]
[EventDate "1961.08.21"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6 7.Re1 Na5 8.d4 Nxb3
9.axb3 exd4 10.e5 dxe5 11.Nxe5 Be6 12.Nc6 Qd5 13.Nxd4 O-O-O 14.Be3 c5 15.
c4 bxc4 16.Rxa6 cxd4 17.bxc4 Qxc4 18.Ra8+ Kc7 19.Bf4+ Bd6 20.Na3 Qd5 21.
Ra7+ Kb8 22.Bxd6+ Rxd6 23.Ra4 Qb7 24.Rxd4 Rxd4 25.Qxd4 Bd5 26.Qf4+ Qc7 27.
Qb4+ Qb7 28.Qf4+ Kc8 29.Rc1+ Kd7 30.Qa4+ Ke7 31.Nb5 Bc6 32.Qb4+ Kd8 33.
Qd6+ Bd7 34.Nd4 Re8 35.h3 Re4 36.Nc6+ Ke8 37.Ne5 Qxb2 38.Nd3 Qd4 39.Qb8+ 
Ke7 40.Nc5 Re2 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Keogh, Eamon"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1961.08.21"]
[PlyCount "27"]

1.e4 d6 2.f4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bc4 O-O 6.d4 c6 7.Qe2 b5 8.Bd3 b4 9.
Nd1 Nbd7 10.O-O c5 11.c3 bxc3 12.bxc3 cxd4 13.cxd4 Nb6 14.Nb2 1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Minaya Molano, Juan"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[ECO "D83"]
[EventDate "1961.08.21"]
[PlyCount "86"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Rc1 c5 7.dxc5 Be6 8.Nf3 Nc6
9.Be2 Qa5 10.Ng5 Rad8 11.Nxe6 fxe6 12.Qa4 Qxc5 13.Qb5 Qxb5 14.cxb5 Nb8 15.
Bxb8 Rxb8 16.Na4 Rbc8 17.O-O Ne4 18.Bg4 Kf7 19.f3 Nd2 20.Rfe1 Nc4 21.b3 
Ne5 22.Nc5 Nxg4 23.fxg4 Bh6 24.Kf1 d4 25.Nxb7 Bxe3 26.Rc6 e5 27.Ke2 Rxc6 
28.bxc6 Ke6 29.Kd3 Kd5 30.c7 e4+ 31.Ke2 Rc8 32.Na5 Rxc7 33.Nc4 Bh6 34.h4 
Bf4 35.Rf1 e5 36.g3 Bxg3 37.Rf6 Bf4 38.Rd6+ Kc5 39.Rd8 Kb4 40.Rd5 Kc3 41.
Nd6 d3+ 42.Kf1 e3 43.Nb5+ Kd2 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Rosino, Antonio"]
[Black "Gilden, Lawrence"]
[Result "0-1"]
[ECO "B07"]
[EventDate "1961.08.21"]
[PlyCount "86"]

1.d4 Nf6 2.Nc3 d6 3.e4 Nc6 4.d5 Nb8 5.f4 e6 6.dxe6 Bxe6 7.Nf3 Nc6 8.f5 Bd7
9.Bf4 Be7 10.Be2 O-O 11.O-O Ng4 12.Qe1 Nce5 13.Qg3 Kh8 14.h3 Nxf3+ 15.Rxf3
Ne5 16.Bxe5 dxe5 17.Qxe5 Bd6 18.Qd5 Qf6 19.Rd1 Rad8 20.Rfd3 Bc6 21.e5 Qg5 
22.Ne4 Qf4 23.Qc4 Qxe4 24.Qxe4 Bxe4 25.exd6 Bxd3 26.dxc7 Rc8 27.Bxd3 Rxc7 
28.Re1 Rd8 29.Re4 Kg8 30.f6 g6 31.Bb5 Kf8 32.Rh4 h5 33.c4 Rd6 34.Rf4 a6 
35.Ba4 Rb6 36.g4 hxg4 37.hxg4 Rxb2 38.Rd4 Kg8 39.Rd8+ Kh7 40.Bb3 b5 41.Rd3
bxc4 42.Rh3+ Kg8 43.Re3 cxb3 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Diekstra, John"]
[Black "Kuttner, Uwe"]
[Result "0-1"]
[ECO "E70"]
[EventDate "1961.08.21"]
[PlyCount "84"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bd3 O-O 6.Nge2 e5 7.d5 Nh5 8.Ng3 Nf4 
9.O-O Nd7 10.Bc2 a6 11.Be3 Nf6 12.f3 h5 13.Nge2 Bh6 14.Qd2 Nxe2+ 15.Nxe2 
Bxe3+ 16.Qxe3 Kg7 17.b4 a5 18.a3 b6 19.c5 bxc5 20.bxc5 Nd7 21.cxd6 cxd6 
22.Rab1 Nc5 23.f4 f6 24.Nc3 Ba6 25.Rfc1 Qd7 26.Rb6 Rfb8 27.Rcb1 Rxb6 28.
Rxb6 Qd8 29.Rb1 Rb8 30.fxe5 Rxb1+ 31.Bxb1 fxe5 32.Bc2 Qf6 33.Qf2 Qf4 34.
Qxf4 exf4 35.Kf2 Kf6 36.Kf3 Ke5 37.g3 g5 38.gxf4+ gxf4 39.h4 Bc8 40.Bb1 
Bg4+ 41.Kf2 Bd7 42.Bc2 Bg4 {Time} 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Gilden, Lawrence"]
[Black "Jakobsen, Ole"]
[Result "1-0"]
[ECO "D99"]
[EventDate "1961.08.21"]
[PlyCount "61"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 
Nfd7 9.Qb3 Nb6 10.Rd1 Nc6 11.d5 Ne5 12.Be2 Bxf3 13.gxf3 f5 14.d6+ Kh8 15.
d7 Nexd7 16.e5 Qc8 17.f4 Nb8 18.h4 Nc6 19.h5 gxh5 20.Bxh5 e6 21.Bc5 Rd8 
22.Rxd8+ Nxd8 23.Bg6 h6 24.Ne4 fxe4 25.Rxh6+ Bxh6 26.Qh3 Nf7 27.Bxf7 Kh7 
28.Qh5 Qg8 29.Bxg8+ Rxg8 30.Qf7+ Rg7 31.Qxe6 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Holaszek, Hans"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "B33"]
[EventDate "1961.08.21"]
[PlyCount "89"]

1.e4 c5 2.Nf3 Nf6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 e5 6.Ndb5 d6 7.Bg5 a6 8.Bxf6 
gxf6 9.Na3 d5 10.Nxd5 Bxa3 11.bxa3 Be6 12.Bc4 Qa5+ 13.Qd2 Qxd2+ 14.Kxd2 
O-O-O 15.Ke3 f5 16.f3 Nd4 17.Rac1 f4+ 18.Kf2 Rd6 19.c3 Nc6 20.g3 Na5 21.
Bb3 fxg3+ 22.hxg3 Nxb3 23.axb3 Bxd5 24.exd5 Rxd5 25.Rcd1 Ra5 26.a4 Rc5 27.
c4 Kc7 28.Rh6 Rc6 29.Rdh1 Rd8 30.Rxc6+ Kxc6 31.Rxh7 Rd2+ 32.Ke3 Rb2 33.
Rxf7 Rxb3+ 34.Ke4 Rb4 35.Kxe5 Rxa4 36.Rf8 Rxc4 37.Rc8+ Kb5 38.Rxc4 Kxc4 
39.g4 b5 40.g5 b4 41.g6 b3 42.g7 b2 43.g8=Q+ Kc3 44.Qg6 a5 45.Qb1 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Minaya Molano, Juan"]
[Black "Smith, David"]
[Result "0-1"]
[ECO "E97"]
[EventDate "1961.08.21"]
[PlyCount "72"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Nc6 8.Be3 Ng4 
9.Bg5 f6 10.Bc1 f5 11.Bg5 Bf6 12.Bxf6 Nxf6 13.d5 Ne7 14.Nd2 f4 15.b4 g5 
16.Qb3 g4 17.Rfc1 Kh8 18.c5 Rg8 19.Bf1 g3 20.fxg3 fxg3 21.h3 Ng6 22.Ne2 
Nh5 23.Rc3 Qg5 24.Nf3 Qh6 25.Ne1 Ngf4 26.Nxg3 Nxg3 27.Rxg3 Bxh3 28.Kf2 Qh4
29.gxh3 Raf8 30.Ng2 Nxh3+ 31.Ke1 Qxg3+ 32.Qxg3 Rxg3 33.cxd6 cxd6 34.Rc1 
Kg7 35.Rc7+ Rf7 36.Rc8 Rg4 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Rosino, Antonio"]
[Black "Phillips, James Rodney"]
[Result "0-1"]
[ECO "C48"]
[EventDate "1961.08.21"]
[PlyCount "54"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxd4 exd4 6.Nd5 Nxd5 7.exd5 Qe7+ 
8.Be2 Qf6 9.O-O Bd6 10.c4 O-O 11.d3 Bf4 12.Bf3 d6 13.Re1 Bd7 14.Bxf4 Qxf4 
15.Re7 Rad8 16.Qe2 Rde8 17.Re1 g6 18.h3 Rxe7 19.Qxe7 Re8 20.Qxe8+ Bxe8 21.
Rxe8+ Kg7 22.Re7 Qc1+ 23.Kh2 Qf4+ 24.Kg1 Qc1+ 25.Kh2 Qxb2 26.Rxc7 Qb6 27.
Rd7 Kf8 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Keogh, Eamon"]
[Black "Diekstra, John"]
[Result "1/2-1/2"]
[ECO "C50"]
[EventDate "1961.08.21"]
[PlyCount "72"]

1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Bc4 Bc5 5.d3 d6 6.Bg5 Na5 7.Nd5 Nxc4 8.dxc4 
Be6 9.Qe2 c6 10.Nxf6+ gxf6 11.Bh4 Rg8 12.O-O-O Rxg2 13.Bg3 Qa5 14.Kb1 Bg4 
15.Rd3 b5 16.cxb5 Qxb5 17.h3 Be6 18.Ne1 Rxg3 19.fxg3 Bc4 20.Qg4 Rb8 21.b3 
Bxd3 22.Nxd3 a5 23.Nxc5 dxc5 24.Qf5 c4 25.Qxf6 cxb3 26.axb3 a4 27.Rf1 Kd7 
28.Rd1+ Kc7 29.Qxf7+ Kb6 30.Rd7 Qa5 31.Qf2+ Qc5 32.Qxc5+ Kxc5 33.Rxh7 axb3
34.Kb2 bxc2+ 35.Kxc2 Rg8 36.g4 Kd4 1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Kuttner, Uwe"]
[Black "Holaszek, Hans"]
[Result "1/2-1/2"]
[ECO "E94"]
[EventDate "1961.08.21"]
[PlyCount "76"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O c6 8.Re1 Qb6 
9.dxe5 Ng4 10.Rf1 dxe5 11.h3 Nf6 12.Be3 Qc7 13.Ne1 Nbd7 14.Qc2 Rd8 15.Rd1 
Nf8 16.Rxd8 Qxd8 17.Nd3 N6d7 18.Bg4 h5 19.Bd1 Ne6 20.Ne2 Qe7 21.Bd2 a5 22.
b3 Ndc5 23.Nxc5 Qxc5 24.Kh1 Qe7 25.Bc3 Qh4 26.Ng1 Nc5 27.Bf3 Ne6 28.g3 Qe7
29.Qb2 Nd4 30.Bg2 h4 31.f4 c5 32.Nf3 hxg3 33.fxe5 Nxf3 34.Rxf3 Be6 35.Rxg3
a4 36.Bd2 Qh4 37.Rd3 axb3 38.axb3 Qf2 1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Phillips, James Rodney"]
[Black "Gilden, Lawrence"]
[Result "1-0"]
[ECO "D83"]
[EventDate "1961.08.21"]
[PlyCount "67"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Qb3 c5 7.cxd5 cxd4 8.exd4 
Nbd7 9.Be2 Nb6 10.Bf3 e6 11.d6 a6 12.Nge2 Ne8 13.Qb4 a5 14.Qc5 Nd7 15.Qa3 
e5 16.Be3 exd4 17.Bxd4 Ne5 18.Nb5 Bd7 19.Nc7 Nxc7 20.dxc7 Qh4 21.Bxb7 Bb5 
22.Bxe5 Bxe5 23.Bxa8 Rxa8 24.Qc5 Qb4+ 25.Qxb4 axb4 26.Rc1 Bd7 27.Rd1 Bc8 
28.Rd8+ Kg7 29.O-O Kf6 30.Rfd1 Bxc7 31.Rg8 Bb7 32.Rxa8 Bxa8 33.Rd4 Ba5 34.
Rd6+ 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Rubinetti, Jorge Alberto"]
[Black "Minaya Molano, Juan"]
[Result "0-1"]
[ECO "A65"]
[EventDate "1961.08.21"]
[PlyCount "86"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 g6 6.e4 d6 7.Bd3 Bg7 8.Nge2 O-O
9.O-O Na6 10.h3 Re8 11.Ng3 Rb8 12.f4 Nc7 13.a4 a6 14.a5 b5 15.axb6 Rxb6 
16.Qf3 Nd7 17.Ra2 Nb5 18.Nxb5 axb5 19.b3 Bd4+ 20.Kh2 Ba6 21.Ne2 Bg7 22.Be3
Qc8 23.g4 b4 24.Nc1 Nf6 25.Rxa6 Rxa6 26.g5 Nd7 27.Bxa6 Qxa6 28.Rf2 c4 29.
Ra2 Qb5 30.Ra7 Nc5 31.Bxc5 Qxc5 32.Ra2 Qd4 33.Re2 Qd1 34.Qh1 Qd4 35.Qf3 
Ra8 36.Qf2 Ra1 37.Qxd4 Bxd4 38.Rc2 Be3 39.Ne2 cxb3 40.Rc8+ Kg7 41.e5 b2 
42.exd6 b1=Q 43.d7 Bxf4+ 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Smith, David"]
[Black "Rosino, Antonio"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1961.08.21"]
[PlyCount "144"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Nbd7 5.cxd5 exd5 6.Bg5 Be7 7.e3 O-O 8.Bd3 
c6 9.Qc2 Re8 10.O-O-O Nf8 11.Kb1 h6 12.Bh4 a5 13.Ne5 N6d7 14.Bxe7 Qxe7 15.
f4 f6 16.Nf3 b5 17.Rhe1 Qf7 18.e4 Nb6 19.exd5 cxd5 20.Rxe8 Qxe8 21.Bxb5 
Qe3 22.Qd2 Bf5+ 23.Ka1 Qe7 24.Re1 Qb4 25.a3 Qd6 26.g3 Rc8 27.Nh4 Bd7 28.
Bxd7 Nfxd7 29.Qe2 Rxc3 30.bxc3 Qxa3+ 31.Kb1 Na4 32.Rc1 Qb3+ 33.Ka1 Qa3+ 
34.Kb1 Qb3+ 35.Ka1 Nxc3 36.Rxc3 Qxc3+ 37.Kb1 Qb4+ 38.Kc2 Qa4+ 39.Kb1 Qb4+ 
40.Kc2 Qc4+ 41.Qxc4 dxc4 42.Kc3 Nb6 43.Nf5 Kf7 44.d5 g6 45.Nxh6+ Ke7 46.
Ng8+ Kd6 47.f5 gxf5 48.h4 Kc5 49.d6 Nd5+ 50.Kb2 Kxd6 51.h5 Ke6 52.Ka3 Kf7 
53.Nh6+ Ke6 54.Ng8 Ne7 55.h6 Ng6 56.h7 Kf7 57.Nh6+ Ke6 58.Ka4 Nh8 59.Ng8 
Ng6 60.Ka3 Ke5 61.Ne7 Nh8 62.Kb2 Kd4 63.Kc2 a4 64.Nxf5+ Ke5 65.Ne3 Kd4 66.
Nf5+ Kc5 67.Kc3 a3 68.Nd4 a2 69.Nc2 Kd5 70.Nb4+ Ke4 71.Nxa2 Kf3 72.Kxc4 
Kxg3 1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Gilden, Lawrence"]
[Black "Smith, David"]
[Result "1-0"]
[ECO "B43"]
[EventDate "1961.08.21"]
[PlyCount "85"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2 Be7 8.O-O 
O-O 9.Be3 d6 10.f4 Nc6 11.Kh1 Bd7 12.Qe2 Rac8 13.Nb3 Na5 14.Nxa5 Qxa5 15.
g4 d5 16.e5 Ne4 17.Nxe4 dxe4 18.Qf2 Qc7 19.Rfd1 b5 20.Bb6 Qb7 21.Qe3 Bc6 
22.a4 bxa4 23.f5 Bd5 24.c3 Rb8 25.Bd4 exf5 26.gxf5 f6 27.e6 Rfd8 28.Rg1 
Kh8 29.Bf1 Qc7 30.Be2 Bd6 31.Rg4 Rxb2 32.c4 Rb3 33.Qh6 Be5 34.Bxe5 fxe5 
35.Qg5 h6 36.Rh4 Bxe6 37.Rxh6+ Kg8 38.Qh5 Kf8 39.fxe6 gxh6 40.Rf1+ Kg8 41.
Rf7 Rb1+ 42.Kg2 Rg1+ 43.Kxg1 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Holaszek, Hans"]
[Black "Keogh, Eamon"]
[Result "1-0"]
[ECO "B19"]
[EventDate "1961.08.21"]
[PlyCount "79"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nf3 e6 7.h4 h6 8.Ne5 Bh7
9.Bc4 Nf6 10.Qe2 Nd5 11.c3 Nd7 12.Bb3 Qc7 13.Nh5 Nxe5 14.dxe5 O-O-O 15.Bd2
Nb6 16.Rh3 Nd7 17.Bf4 Nc5 18.Bc2 Bxc2 19.Qxc2 Qd7 20.Rd1 Qxd1+ 21.Qxd1 
Rxd1+ 22.Kxd1 Ne4 23.Ke2 g6 24.Nf6 Nxf6 25.exf6 Bc5 26.h5 g5 27.Bc1 Rd8 
28.f4 g4 29.Rh4 Rg8 30.f5 Bf8 31.fxe6 fxe6 32.f7 Rg7 33.Bxh6 Rxf7 34.Bxf8 
Rxf8 35.Rxg4 Rh8 36.Rh4 Kd7 37.h6 Ke7 38.h7 Kf7 39.Ke3 Kg7 40.Ke4 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Jakobsen, Ole"]
[Black "Phillips, James Rodney"]
[Result "1/2-1/2"]
[ECO "C78"]
[EventDate "1961.08.21"]
[PlyCount "91"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6 7.c3 Na5 8.Bc2 c5 
9.d4 Qc7 10.Bg5 Be7 11.Nbd2 O-O 12.Rc1 Be6 13.b4 Nc4 14.d5 Nxd2 15.Nxd2 
Bd7 16.f4 exf4 17.e5 Nxd5 18.Ne4 Ne3 19.exd6 Qa7 20.Qh5 g6 21.Qh4 Bxg5 22.
Nxg5 h5 23.Rxf4 cxb4 24.Kh1 Bc6 25.Be4 Bxe4 26.Nxe4 Nd5 27.Rf3 f5 28.Rd3 
fxe4 29.Rxd5 Qe3 30.Rdd1 bxc3 31.d7 Rad8 32.Qe7 Qf4 33.h3 b4 34.Rc2 a5 35.
Re2 Qf5 36.Rd6 Qf1+ 37.Kh2 Qf4+ 38.g3 Qf7 39.Qxe4 Kh7 40.Qd3 Rg8 41.Re5 
Qxa2+ 42.Kg1 Qa1+ 43.Kg2 Qb2+ 44.Re2 c2 45.Rxc2 Qa3 46.Qxa3 1/2-1/2

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Minaya Molano, Juan"]
[Black "Kuttner, Uwe"]
[Result "1-0"]
[ECO "E97"]
[EventDate "1961.08.21"]
[PlyCount "105"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Nc6 8.Be3 Ng4 
9.Bg5 f6 10.Bc1 Kh8 11.h3 Nh6 12.Be3 Nf7 13.dxe5 dxe5 14.Bc5 Rg8 15.Qb3 b6
16.Rad1 Bd7 17.Be3 f5 18.c5 Rf8 19.Qd5 Be8 20.Nb5 Qc8 21.cxb6 axb6 22.Rc1 
f4 23.Bd2 Nfd8 24.Ng5 h6 25.Bg4 Qb7 26.Ne6 Nxe6 27.Qxe6 Rf6 28.Qb3 Bf7 29.
Qc2 Rd8 30.Rfd1 h5 31.Bf3 Qc8 32.Be1 Rxd1 33.Qxd1 Bf8 34.a4 Bc5 35.Bc3 Kg8
36.b4 Bd6 37.Qc2 Qe8 38.Qb2 Nb8 39.Nxd6 cxd6 40.Bd1 Kg7 41.a5 b5 42.f3 g5 
43.Be2 Rg6 44.Be1 Be6 45.Rc7+ Kh6 46.Qc2 g4 47.fxg4 hxg4 48.hxg4 Bd7 49.
Qc3 f3 50.Bd2+ Kh7 51.gxf3 Kh8 52.Bxb5 Qe7 53.Bxd7 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Rosino, Antonio"]
[Black "Rubinetti, Jorge Alberto"]
[Result "0-1"]
[ECO "B22"]
[EventDate "1961.08.21"]
[PlyCount "86"]

1.e4 c5 2.c3 Nf6 3.Bd3 e5 4.Nf3 Nc6 5.O-O d6 6.h3 g6 7.Bc2 Bg7 8.Re1 O-O 
9.d3 Ne8 10.a4 h6 11.Nbd2 f5 12.Nc4 f4 13.Bb3 Kh7 14.Bc2 Be6 15.b3 g5 16.
d4 exd4 17.cxd4 cxd4 18.e5+ Kh8 19.Nxd4 Nxd4 20.Qxd4 Bxc4 21.bxc4 Bxe5 22.
Rxe5 dxe5 23.Qxe5+ Qf6 24.Bb2 Qxe5 25.Bxe5+ Nf6 26.Rd1 Kg7 27.Rd6 Rae8 28.
Bd4 a6 29.c5 Rc8 30.Bb3 Rc7 31.Kh2 h5 32.Bd5 g4 33.a5 Re7 34.c6 bxc6 35.
Bxc6 Kg6 36.h4 Kf5 37.Ba4 g3+ 38.fxg3 fxg3+ 39.Kh3 Re1 40.Bxf6 Rxf6 41.
Bd7+ Ke5 42.Rxf6 Kxf6 43.Kxg3 Re5 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Diekstra, John"]
[Black "Holaszek, Hans"]
[Result "0-1"]
[ECO "E70"]
[EventDate "1961.08.21"]
[PlyCount "40"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.e5 Ne8 6.f4 d6 7.Nf3 c5 8.dxc5 Nc6 
9.cxd6 exd6 10.Nb5 Qa5+ 11.Bd2 Qb6 12.Qe2 a6 13.Nc3 Bg4 14.Na4 Qc7 15.exd6
Nxd6 16.O-O-O Nd4 17.Qd3 Bf5 18.Qe3 Nxc4 19.Bxc4 Qxc4+ 20.Nc3 Qxa2 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Keogh, Eamon"]
[Black "Minaya Molano, Juan"]
[Result "1-0"]
[ECO "B59"]
[EventDate "1961.08.21"]
[PlyCount "57"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.Be3 a5 10.Na4 Nxe4 11.Nb6 Rb8 12.Qd5 Nf6 13.Qb5 Bd7 14.Nxd7 Nxd7 15.
Rad1 Qc7 16.f4 Ra8 17.a4 Kh8 18.f5 b6 19.g4 Nc5 20.Nxc5 dxc5 21.c3 Rad8 
22.Bf3 Na7 23.Qa6 Nc8 24.g5 f6 25.g6 Nd6 26.Bd5 Rb8 27.Qe2 h6 28.Qh5 Rfd8 
29.Bxh6 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Kuttner, Uwe"]
[Black "Rosino, Antonio"]
[Result "1-0"]
[ECO "D83"]
[EventDate "1961.08.21"]
[PlyCount "36"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Qb3 c5 7.cxd5 Qa5 8.Bc4 
cxd4 9.exd4 Nbd7 10.Nf3 Nb6 11.O-O Bf5 12.d6 e6 13.Ne5 Nh5 14.Be3 Rfd8 15.
Be2 Nf6 16.Bf3 h5 17.Bxb7 Rxd6 18.Bxa8 Nxa8 1-0

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Rubinetti, Jorge Alberto"]
[Black "Gilden, Lawrence"]
[Result "0-1"]
[ECO "E81"]
[EventDate "1961.08.21"]
[PlyCount "76"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nbd7 7.Nge2 c5 8.Qd2 a6 
9.g4 Rb8 10.Ng3 cxd4 11.Bxd4 Ne5 12.Be2 Be6 13.Nd5 b5 14.g5 Ne8 15.cxb5 
axb5 16.f4 Bxd5 17.exd5 Nd7 18.h4 Bxd4 19.Qxd4 Qa5+ 20.Kf1 e5 21.dxe6 fxe6
22.Bg4 Nc5 23.b4 Qa4 24.h5 Nc7 25.hxg6 e5 26.gxh7+ Kh8 27.Qxd6 Rxf4+ 28.
Kg1 Re8 29.Bf5 Nd7 30.Qxd7 Qa7+ 31.Kg2 Qa8+ 32.Kh3 Nd5 33.Rac1 Rd4 34.Qc6 
Nf4+ 35.Kh4 Ng6+ 36.Kh5 Nf4+ 37.Kh6 Re6+ 38.Bxe6 Qf8# 0-1

[Event "6th World U20 ch final B"]
[Site "The Hague NED"]
[Date "1961.09.01"]
[Round "11"]
[White "Smith, David"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[ECO "A97"]
[EventDate "1961.08.21"]
[PlyCount "54"]

1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nf3 Be7 5.O-O O-O 6.c4 d6 7.Nc3 Qe8 8.Re1 Nc6 
9.d5 exd5 10.cxd5 Ne5 11.e4 Nxf3+ 12.Bxf3 Qf7 13.exf5 Bxf5 14.Be3 a6 15.b4
Rae8 16.b5 Nd7 17.Bg2 Ne5 18.bxa6 bxa6 19.h3 Nd3 20.Rf1 Bf6 21.Qd2 Ne5 22.
Qd1 Qg6 23.Ne2 Nc4 24.Nd4 Nxe3 25.fxe3 Bxh3 26.Rxf6 Rxf6 27.Bxh3 Qxg3+ 0-1

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Markus, Marcel"]
[Black "Maalouf, Carlos"]
[Result "1-0"]
[ECO "C32"]
[EventDate "1961.08.21"]
[PlyCount "103"]

1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Qxd5 8.Nfd2
Kd8 9.Nxe4 Re8 10.Nbc3 Bb4 11.Bd2 Bxc3 12.Bxc3 Bd7 13.Be5 f6 14.Nxf6 gxf6 
15.Bxf6+ Kc8 16.Be5 Nc6 17.Qd3 Qa5+ 18.Qd2 Nxe5 19.Qxa5 Nc4+ 20.Qe5 Nxe5 
21.fxe5 Rxe5+ 22.Kf2 Bf5 23.c3 Kd7 24.Rd1+ Ke6 25.Bc4+ Kf6 26.Rd4 Rae8 27.
Rhd1 b5 28.Bf1 h5 29.Rd5 c6 30.Rxe5 Rxe5 31.Rd6+ Re6 32.Rxe6+ Bxe6 33.a3 
Kg5 34.b4 Kf4 35.Bd3 Bd7 36.g3+ Ke5 37.Ke3 Kd5 38.Kf4 Bg4 39.Kg5 c5 40.
Bxb5 c4 41.Ba6 Be2 42.Bb7+ Kd6 43.h3 Kc7 44.Be4 Kd6 45.Kf4 Ke6 46.g4 hxg4 
47.hxg4 Kf6 48.g5+ Kg7 49.Ke3 Bd1 50.Kd4 Be2 51.a4 Bf1 52.b5 1-0

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.21"]
[Round "1"]
[White "Schmidt, Wlodzimierz"]
[Black "Rischette, Robert"]
[Result "1-0"]
[ECO "C62"]
[EventDate "1961.08.21"]
[PlyCount "79"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 exd4 5.Nxd4 Bd7 6.Nc3 Nf6 7.O-O a6 8.Bxc6 
bxc6 9.Qf3 c5 10.Nf5 Bxf5 11.Qxf5 Be7 12.Bg5 Qc8 13.Qf3 O-O 14.Rad1 Re8 
15.h3 Rb8 16.b3 Qe6 17.Rfe1 a5 18.Bf4 Nd7 19.Nd5 Bd8 20.Qc3 c6 21.Ne3 Bf6 
22.Qxa5 Ra8 23.Qd2 Rxa2 24.Bxd6 Bd4 25.Nf5 Qf6 26.Bg3 Nf8 27.Qd3 Ne6 28.
Qc4 h6 29.Nxd4 Nxd4 30.Qxc5 Nxc2 31.Re2 Nb4 32.Rxa2 Nxa2 33.e5 Qe7 34.Rd6 
Rb8 35.Qxc6 Rxb3 36.Qa8+ Kh7 37.Qxa2 Qb7 38.Qc2+ g6 39.e6 Rb1+ 40.Kh2 {
Time} 1-0

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Maalouf, Carlos"]
[Black "Schmidt, Wlodzimierz"]
[Result "0-1"]
[ECO "B25"]
[EventDate "1961.08.21"]
[PlyCount "78"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 e6 7.f4 Nge7 8.Nf3 Nd4 
9.O-O O-O 10.Rb1 Qa5 11.Bd2 Nec6 12.a3 Qc7 13.Ne2 Nxe2+ 14.Qxe2 Rb8 15.c3 
b5 16.b4 a5 17.Rfd1 Bd7 18.d4 axb4 19.axb4 c4 20.e5 Ne7 21.Ng5 Bc6 22.Bxc6
Qxc6 23.Ne4 dxe5 24.fxe5 Nd5 25.Re1 Ra8 26.Bg5 h6 27.Bf6 Ra3 28.Bxg7 Kxg7 
29.Qb2 Rfa8 30.Ra1 Rxa1 31.Rxa1 Rxa1+ 32.Qxa1 Nxb4 33.Nd6 Nd3 34.Qf1 Qd7 
35.Qf3 Qa7 36.Nxb5 Nxe5 37.Qf2 Qa1+ 38.Kg2 Nd3 39.Qe2 Qa6 0-1

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.22"]
[Round "2"]
[White "Wostyn, Hendrik"]
[Black "Markus, Marcel"]
[Result "0-1"]
[ECO "B29"]
[EventDate "1961.08.21"]
[PlyCount "101"]

1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 e6 5.Nxd5 exd5 6.d4 Nc6 7.dxc5 Bxc5 8.
Qxd5 Qb6 9.Bc4 Bxf2+ 10.Ke2 O-O 11.Rf1 Bc5 12.Ng5 Nd4+ 13.Kd1 Ne6 14.Ne4 
Be7 15.Bd3 Qc6 16.Qxc6 dxc6 17.Be3 Rd8 18.Nc3 Nc5 19.Kd2 Be6 20.Rad1 Bc4 
21.Ke2 Nxd3 22.cxd3 Ba6 23.Rf3 b6 24.Ne4 Rd5 25.Bf4 Rad8 26.Rd2 Rd4 27.Nd6
Rd5 28.Bg3 Bc8 29.Nxc8 Rxc8 30.Rc2 Bc5 31.Bf2 Rxe5+ 32.Kf1 Bxf2 33.Kxf2 c5
34.Re3 Rce8 35.Rxe5 Rxe5 36.b4 Kf8 37.bxc5 Rxc5 38.Rb2 Ke7 39.Ke3 f5 40.h3
g5 41.Kd4 h5 42.Re2+ Kf6 43.Rb2 h4 44.Ke3 Re5+ 45.Kf3 Rd5 46.Rb3 Ke5 47.
Ke3 g4 48.hxg4 fxg4 49.Rb4 Kf5 50.Rf4+ Kg5 51.Rf7 0-1

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Rischette, Robert"]
[Black "Maalouf, Carlos"]
[Result "1/2-1/2"]
[ECO "C70"]
[EventDate "1961.08.21"]
[PlyCount "58"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Na5 6.O-O d6 7.d4 Nxb3 8.axb3 f6
9.Be3 Bb7 10.Nbd2 Ne7 11.c4 b4 12.d5 g6 13.c5 c6 14.Nc4 Nc8 15.Na5 Qc7 16.
Nxb7 Qxb7 17.Rc1 dxc5 18.Bxc5 Bxc5 19.Rxc5 cxd5 20.Qxd5 Qxd5 21.exd5 Kd7 
22.Rfc1 Ra7 23.Rc6 Nd6 24.Nd2 Rd8 25.f3 Ke7 26.Nc4 a5 27.Nb6 h5 28.Rc7+ 
Rxc7 29.Rxc7+ Ke8 1/2-1/2

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.23"]
[Round "3"]
[White "Schmidt, Wlodzimierz"]
[Black "Wostyn, Hendrik"]
[Result "1-0"]
[ECO "B77"]
[EventDate "1961.08.21"]
[PlyCount "69"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 
Nc6 9.Bc4 Nxd4 10.Bxd4 Be6 11.Bb3 Qa5 12.O-O-O Rfc8 13.Kb1 Rc6 14.Rhe1 
Bxb3 15.axb3 e6 16.Bxf6 Bxf6 17.Nd5 Qd8 18.Nxf6+ Qxf6 19.Re3 Qe5 20.g3 a5 
21.Rc3 Raa6 22.Rxc6 Rxc6 23.Qd3 b5 24.f4 Qc5 25.c3 b4 26.c4 Qa7 27.e5 d5 
28.cxd5 exd5 29.Qxd5 Ra6 30.Qd8+ Kg7 31.Qd4 Qxd4 32.Rxd4 Kf8 33.Rd7 Rc6 
34.Rd5 Ke7 35.Rxa5 1-0

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Markus, Marcel"]
[Black "Schmidt, Wlodzimierz"]
[Result "1/2-1/2"]
[ECO "B31"]
[EventDate "1961.08.21"]
[PlyCount "55"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.Qe2 O-O 7.d4 cxd4 8.cxd4 
d6 9.h3 a6 10.Ba4 b5 11.Bc2 Nd7 12.Be3 Bb7 13.Qd2 Re8 14.Nc3 Nb6 15.b3 Rc8
16.Rac1 Nd7 17.Bb1 Qa5 18.Rfd1 Nf8 19.Nh2 e5 20.d5 Nd4 21.Re1 Rc7 22.Ne2 
Qxd2 23.Bxd2 Nxe2+ 24.Rxe2 Rec8 25.Ree1 Nd7 26.Rxc7 Rxc7 27.Rc1 Rxc1+ 28.
Bxc1 1/2-1/2

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.24"]
[Round "4"]
[White "Wostyn, Hendrik"]
[Black "Rischette, Robert"]
[Result "1-0"]
[ECO "C62"]
[EventDate "1961.08.21"]
[PlyCount "55"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 exd4 5.Nxd4 Bd7 6.Nc3 g6 7.Be3 Bg7 8.Qd2 
Nf6 9.f3 O-O 10.Bc4 Na5 11.Be2 Nc6 12.O-O-O a6 13.Nb3 Be6 14.g4 b5 15.h4 
Ne5 16.h5 Nc4 17.Bxc4 Bxc4 18.Bh6 a5 19.Bxg7 Kxg7 20.hxg6 fxg6 21.Qh6+ Kh8
22.e5 Rf7 23.exf6 Qxf6 24.Nd2 a4 25.Nce4 Qg7 26.Qxg7+ Rxg7 27.Nxc4 bxc4 
28.Rh6 1-0

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Maalouf, Carlos"]
[Black "Wostyn, Hendrik"]
[Result "1-0"]
[ECO "B26"]
[EventDate "1961.08.21"]
[PlyCount "61"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 Nf6 7.f4 O-O 8.Nf3 Rb8 
9.O-O b5 10.Nd5 Ng4 11.Bc1 e6 12.Nc3 Qb6 13.Ne2 c4+ 14.d4 e5 15.c3 Re8 16.
Kh1 Nf6 17.fxe5 dxe5 18.d5 Nd8 19.Nh4 Nb7 20.h3 Nc5 21.Be3 Qd6 22.Bxc5 
Qxc5 23.Qe1 Bd7 24.Qf2 Qc8 25.g4 a5 26.g5 Nh5 27.Qxf7+ Kh8 28.Nxg6+ hxg6 
29.Qxg6 Nf4 30.Nxf4 exf4 31.Rxf4 1-0

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.25"]
[Round "5"]
[White "Rischette, Robert"]
[Black "Markus, Marcel"]
[Result "0-1"]
[ECO "D40"]
[EventDate "1961.08.21"]
[PlyCount "28"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.e3 c5 5.d4 Nc6 6.a3 b6 7.cxd5 exd5 8.Bb5 Bd7 
9.dxc5 bxc5 10.Nxd5 Nxd5 11.Qxd5 Qa5+ 12.Bd2 Qxb5 13.Ne5 O-O-O 14.Nxf7 Bg4
0-1

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Maalouf, Carlos"]
[Black "Markus, Marcel"]
[Result "0-1"]
[ECO "B05"]
[EventDate "1961.08.21"]
[PlyCount "114"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Bc4 dxe5 6.dxe5 e6 7.Nbd2 Be7 8.O-O 
O-O 9.h3 Bh5 10.Re1 Nc6 11.Nf1 Ndb4 12.Bd2 Nd4 13.Bxb4 Nxf3+ 14.gxf3 Bxb4 
15.Qxd8 Raxd8 16.c3 Bc5 17.Kg2 Rd7 18.Rad1 Rfd8 19.Rxd7 Rxd7 20.Ng3 Bg6 
21.Ne4 Bb6 22.Re2 Kf8 23.Rd2 Ke7 24.Re2 a5 25.Bb3 Ba7 26.Bc4 h6 27.Kg3 Bf5
28.f4 Rd1 29.Kg2 Bg6 30.Bb3 Bxe4+ 31.Rxe4 Rd2 32.Re1 Rxf2+ 33.Kg3 Rxb2 34.
Rf1 g6 35.h4 h5 36.Rc1 Bf2+ 37.Kh3 Be3 38.Rf1 Bd2 39.c4 Be3 40.Rf3 Bc5 41.
Rd3 c6 42.Kg3 Bb4 43.a4 Rd2 44.Rf3 Rd4 45.Ba2 Kd7 46.Bb3 Bc5 47.Ba2 Kc7 
48.Bb3 Re4 49.Ba2 Re3 50.Rxe3 Bxe3 51.f5 gxf5 52.Bb3 Kb6 53.Bd1 Kc5 54.Be2
Kd4 55.Bxh5 Kxc4 56.Bxf7 Kd5 57.Kf3 Bh6 0-1

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.26"]
[Round "6"]
[White "Rischette, Robert"]
[Black "Schmidt, Wlodzimierz"]
[Result "0-1"]
[ECO "A28"]
[EventDate "1961.08.21"]
[PlyCount "48"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd2 O-O 8.
e3 d5 9.a3 Bd6 10.Qc2 Be6 11.cxd5 cxd5 12.Nb5 c5 13.Nxd6 Qxd6 14.Bd3 d4 
15.h3 c4 16.Bxc4 Qc6 17.O-O Qxc4 18.Qxc4 Bxc4 19.Rfc1 dxe3 20.Bxe3 Be6 21.
Rc7 a5 22.Rac1 Nd5 23.Rb7 Nxe3 24.fxe3 a4 0-1

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Markus, Marcel"]
[Black "Wostyn, Hendrik"]
[Result "1-0"]
[ECO "A02"]
[EventDate "1961.08.21"]
[PlyCount "83"]

1.f4 Nf6 2.Nf3 c5 3.e3 g6 4.Be2 Bg7 5.d3 d5 6.O-O O-O 7.Qe1 Nc6 8.h3 Rb8 
9.a4 a6 10.Qh4 Ne8 11.g4 f5 12.Ng5 h6 13.Nf3 e5 14.Qxd8 Nxd8 15.Nxe5 Bxe5 
16.fxe5 Nc6 17.gxf5 Rxf5 18.Nc3 Rxf1+ 19.Bxf1 Nb4 20.Bd2 Nxc2 21.Rc1 Nb4 
22.e4 Be6 23.exd5 Nxd5 24.Nxd5 Bxd5 25.Rxc5 Bb3 26.a5 h5 27.Bg5 Ng7 28.Rc3
Bd5 29.Be7 Re8 30.Bd6 Nf5 31.Rc7 Nxd6 32.exd6 Rd8 33.d7 Kf8 34.Bg2 Bxg2 
35.Kxg2 Ke7 36.Rxb7 Rxd7 37.Rxd7+ Kxd7 38.h4 Ke6 39.Kf3 Kf5 40.b4 g5 41.
hxg5 Kxg5 42.b5 1-0

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.28"]
[Round "7"]
[White "Schmidt, Wlodzimierz"]
[Black "Maalouf, Carlos"]
[Result "1-0"]
[ECO "B14"]
[EventDate "1961.08.21"]
[PlyCount "35"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Nc6 7.c5 a5 8.Bb5 Qc7 
9.O-O b6 10.Bf4 Qb7 11.Bxc6+ Qxc6 12.Ne5 Qb7 13.Qa4+ Ke7 14.Nc6+ Ke8 15.
Nb8+ b5 16.Nxb5 Ke7 17.c6 Qb6 18.Bc7 1-0

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Maalouf, Carlos"]
[Black "Rischette, Robert"]
[Result "1-0"]
[ECO "C33"]
[EventDate "1961.08.21"]
[PlyCount "53"]

1.e4 e5 2.f4 exf4 3.Bc4 Nc6 4.Nf3 Be7 5.O-O d6 6.d4 Nf6 7.Nc3 Bg4 8.Bxf4 
Na5 9.Bd3 Qd7 10.Qd2 Bxf3 11.Rxf3 a6 12.Rd1 Nc6 13.Ne2 h6 14.c3 g5 15.Be3 
Ng4 16.Rdf1 Nxe3 17.Qxe3 f6 18.Ng3 h5 19.Nf5 O-O 20.Bc4+ Kh7 21.Rh3 Qe8 
22.g4 Rh8 23.Rxh5+ Kg6 24.Qh3 Qf8 25.Bd5 Rd8 26.Bxc6 bxc6 27.Nxe7+ 1-0

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.29"]
[Round "8"]
[White "Wostyn, Hendrik"]
[Black "Schmidt, Wlodzimierz"]
[Result "0-1"]
[ECO "E91"]
[EventDate "1961.08.21"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 Bg4 7.Be3 Nfd7 8.Ng1 
Bxe2 9.Ngxe2 c5 10.d5 Na6 11.Qd2 Re8 12.f3 Nc7 13.Bh6 Bh8 14.h4 a6 15.h5 
b5 16.Qf4 e5 17.Qg3 bxc4 18.Kf2 Rb8 19.Rh3 Bf6 20.hxg6 fxg6 21.Rah1 Re7 
22.Qh2 Qe8 23.Bc1 Nf8 24.g4 Nb5 25.g5 Bh8 26.Nd1 Nd4 27.Nec3 Nc2 28.Kf1 
Nb4 29.Ne3 Nd3 30.Ng4 Bg7 31.Rxh7 Nxh7 32.Qxh7+ Kf8 33.Nh6 Rf7 34.Qg8+ Ke7
35.Qxf7+ Qxf7 36.Nxf7 Nxc1 37.Nh6 Rxb2 38.Ng4 Nxa2 39.Nxa2 Rxa2 40.Rh7 Kf8
41.Nf6 0-1

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Rischette, Robert"]
[Black "Wostyn, Hendrik"]
[Result "1/2-1/2"]
[ECO "A57"]
[EventDate "1961.08.21"]
[PlyCount "68"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.Bd2 bxc4 5.Nc3 g6 6.e4 d6 7.Bxc4 Bg7 8.Nf3 O-O 
9.Qc1 Ba6 10.Bxa6 Nxa6 11.a3 Qb6 12.O-O Nd7 13.Bh6 Rfc8 14.Bxg7 Kxg7 15.h4
Rab8 16.Rb1 Qa5 17.Qg5 Re8 18.Nd2 Nc7 19.f4 Nb5 20.Nc4 Qc7 21.Nxb5 Rxb5 
22.f5 Ne5 23.f6+ Kg8 24.Nxe5 exf6 25.Qxf6 Rxe5 26.Rf4 Qe7 27.Rbf1 Rxb2 28.
Qxf7+ Qxf7 29.Rxf7 Rxe4 30.Rxa7 Ree2 31.Ra8+ Kg7 32.Ra7+ Kg8 33.Ra8+ Kg7 
34.Ra7+ Kg8 1/2-1/2

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.30"]
[Round "9"]
[White "Schmidt, Wlodzimierz"]
[Black "Markus, Marcel"]
[Result "1-0"]
[ECO "C63"]
[EventDate "1961.08.21"]
[PlyCount "35"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qg5 8.
Qe2 Nf6 9.f4 Qxf4 10.Ne5+ c6 11.d4 exd3 12.Bxd3 Qb4+ 13.Bd2 Qe7 14.O-O-O 
Be6 15.Rhe1 O-O-O 16.Nxc6 bxc6 17.Ba6+ Kb8 18.Bf4+ 1-0

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Markus, Marcel"]
[Black "Rischette, Robert"]
[Result "1/2-1/2"]
[ECO "C35"]
[EventDate "1961.08.21"]
[PlyCount "34"]

1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Nf6 5.e5 Ne4 6.d3 Bh4+ 7.Kf1 d5 8.Bb5+ 
c6 9.dxe4 dxe4 10.Qxd8+ Bxd8 11.Nd4 cxb5 12.Nxb5 O-O 13.Bxf4 f6 14.Ke1 
fxe5 15.Bxe5 Nc6 16.Bg3 Nb4 17.N1a3 Bg4 1/2-1/2

[Event "6th World U20 ch final C"]
[Site "The Hague NED"]
[Date "1961.08.31"]
[Round "10"]
[White "Wostyn, Hendrik"]
[Black "Maalouf, Carlos"]
[Result "1/2-1/2"]
[ECO "A61"]
[EventDate "1961.08.21"]
[PlyCount "54"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.Nf3 g6 7.Nd2 a6 8.a4 Bg7 
9.e3 O-O 10.Be2 Re8 11.Qc2 b6 12.O-O Ra7 13.Nc4 Rae7 14.Bd2 Qc7 15.Rae1 
Bf5 16.Bd3 Bxd3 17.Qxd3 Nbd7 18.e4 Qb8 19.Bf4 Ne5 20.Nxe5 dxe5 21.Be3 Qc8 
22.Qc4 Rd8 23.a5 bxa5 24.Qxc5 Qxc5 25.Bxc5 Rb7 26.Re2 Bf8 27.Bxf8 Kxf8 
1/2-1/2

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Jakobsen, Ole"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[ECO "E86"]
[EventDate "1961.08.12"]
[PlyCount "60"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6 8.Qd2 exd4 
9.Bxd4 Nbd7 10.O-O-O Qa5 11.Kb1 Ne5 12.Nc1 Be6 13.b3 Nfd7 14.Be2 a6 15.Na4
Qxd2 16.Rxd2 b5 17.cxb5 axb5 18.Nb6 Nxb6 19.Bxb6 d5 20.Rhd1 Rfb8 21.Bd4 
dxe4 22.fxe4 f5 23.Bf3 Nxf3 24.gxf3 Bh6 25.Rc2 fxe4 26.fxe4 Rd8 27.Rxc6 
Bg4 28.Rg1 Bf3 29.Be5 Bxe4+ 30.Rc2 Rd2 0-1

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Schmidt, Wlodzimierz"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1/2-1/2"]
[ECO "B67"]
[EventDate "1961.08.12"]
[PlyCount "92"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nc6 7.Qd2 Bd7 8.f4 e6
9.O-O-O b5 10.Bxf6 gxf6 11.f5 Qb6 12.Nxc6 Bxc6 13.fxe6 fxe6 14.Qf4 Be7 15.
g3 b4 16.Ne2 f5 17.Bg2 Qb7 18.Qh6 Bxe4 19.Bxe4 Qxe4 20.Nd4 e5 21.Qh5+ Kd7 
22.Rhe1 Qg4 23.Qxf5+ Qxf5 24.Nxf5 Ke6 25.Nd4+ Kf7 26.Rf1+ Ke8 27.Nf5 Rd8 
28.Rd5 Rf8 29.g4 Rg8 30.h3 Rg6 31.Re1 Rb8 32.Ra5 Rb6 33.a3 Bg5+ 34.Kb1 
bxa3 35.Rxa3 Bd2 36.Rd1 Bb4 37.Rad3 Kd7 38.c3 Ba3 39.R1d2 Bc5 40.Kc2 Rc6 
41.Re2 Ke6 42.b4 Ba7 43.Red2 Bb8 44.Kb3 Rg8 45.Ne3 Rf8 46.Nc4 Bc7 1/2-1/2

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Thomson, Derek"]
[Black "Holaszek, Hans"]
[Result "1-0"]
[ECO "E61"]
[EventDate "1961.08.12"]
[PlyCount "79"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Bf4 d6 5.Qd2 O-O 6.Nf3 Re8 7.Rd1 c6 8.e4 Bg4 
9.Be2 Nbd7 10.O-O Bxf3 11.Bxf3 e5 12.dxe5 dxe5 13.Be3 Qe7 14.b4 Red8 15.
Qc2 Ne8 16.Be2 Nc7 17.c5 Nf8 18.Bc4 Nfe6 19.Nd5 Qe8 20.Nxc7 Nxc7 21.f4 Ne6
22.f5 gxf5 23.Rxf5 Kh8 24.Rdf1 f6 25.Qf2 Qe7 26.Rh5 Nf8 27.Qg3 Qe8 28.Rh4 
Rd7 29.Rxf6 Rd1+ 30.Kf2 Rd7 31.Rf5 Rad8 32.Ke2 a5 33.a3 axb4 34.axb4 Ra8 
35.Bh6 Ng6 36.Bxg7+ Kxg7 37.Qg5 Qe7 38.Rf6 
    ( 38.Qh6+ $1 Kh8 39.Rf7 $18 )
38...Qxf6 39.Rxh7+ Kxh7 40.Qxf6 {Time} 1-0

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Gheorghiu, Florin"]
[Black "Schmidt, Wlodzimierz"]
[Result "1-0"]
[ECO "E71"]
[EventDate "1961.08.12"]
[PlyCount "53"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 O-O 6.Bg5 c5 7.d5 e6 8.Bd3 exd5 9.
exd5 Nbd7 10.f4 Qa5 11.Qd2 Nb6 12.Nge2 Na4 13.O-O Rb8 14.Rad1 Bd7 15.f5 a6
16.Bxf6 Bxf6 17.Ne4 Qd8 18.Nxf6+ Qxf6 19.fxg6 Qxb2 20.gxh7+ Kh8 21.Qh6 Qg7
22.Qxd6 Bxh3 23.Nf4 Bg4 24.Rde1 Rbe8 25.Re7 Qd4+ 26.Kh2 Nb2 27.Qh6 1-0

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Holaszek, Hans"]
[Black "Jakobsen, Ole"]
[Result "1-0"]
[ECO "B48"]
[EventDate "1961.08.12"]
[PlyCount "145"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Qc7 6.Be3 Nf6 7.Bd3 a6 8.O-O 
Na5 9.Qe2 b5 10.a3 Bb7 11.f4 Rc8 12.Kh1 Be7 13.Rae1 Qb8 14.Bc1 Qa7 15.e5 
Nd5 16.Nxd5 Bxd5 17.Nf3 g6 18.Ng5 Qc7 19.Qg4 Nc4 20.Ne4 Bxe4 21.Bxe4 O-O 
22.Rf3 d6 23.exd6 Nxd6 24.Bd3 Nf5 25.c3 Nd6 26.Bc2 Nc4 27.Qh3 Rfd8 28.Qh6 
Bf8 29.Qh4 Be7 30.Qh6 Bf8 31.Qh4 Be7 32.Qf2 Rd7 33.Rd3 Rxd3 34.Bxd3 Rd8 
35.Bc2 Nb6 36.Qf3 Nd5 37.Rd1 Bf6 38.g3 Be7 39.Kg2 Bf8 40.h4 Nf6 41.Rxd8 
Qxd8 42.Qc6 Qd5+ 43.Qxd5 Nxd5 44.Bd3 Bg7 45.a4 bxa4 46.Bxa6 a3 47.bxa3 
Bxc3 48.a4 f6 49.Kf3 Kf7 50.Bc4 Ba5 51.g4 f5 52.g5 Bb4 53.Bxd5 exd5 54.Ke2
Ke6 55.Bd2 Bc5 56.a5 d4 57.Kd3 Kd5 58.Bc1 Ba7 59.a6 Bc5 60.Ba3 Ba7 61.Bb4 
Bb6 62.Ba5 Ba7 63.Bd8 Kc6 64.Bf6 Kd5 65.Be5 Bc5 66.Bb8 Kc6 67.Kc4 Bb6 68.
Be5 d3 69.Kxd3 Bf2 70.Kc4 Be3 71.Bb8 Bf2 72.a7 Kb7 73.Kd5 1-0

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Nagy, Bela"]
[Black "Thomson, Derek"]
[Result "1-0"]
[ECO "E95"]
[EventDate "1961.08.12"]
[PlyCount "57"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.Nf3 d6 6.Be2 e5 7.O-O Nbd7 8.Re1 c6 
9.Bf1 exd4 10.Nxd4 Re8 11.Bf4 Nc5 12.f3 Nh5 13.Be3 Be5 14.Qd2 a5 15.g3 Bg7
16.Bg2 Nf6 17.Rad1 Nfd7 18.Nde2 Bf8 19.h3 Qc7 20.f4 Nf6 21.Bxc5 dxc5 22.e5
Nd7 23.Ne4 Kg7 24.N2c3 Nxe5 25.fxe5 Rxe5 26.Qf4 f5 27.Rf1 Be6 28.Ng5 Bd6 
29.Rxd6 1-0

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Jakobsen, Ole"]
[Black "Nagy, Bela"]
[Result "1/2-1/2"]
[ECO "B46"]
[EventDate "1961.08.12"]
[PlyCount "92"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 a6 6.g3 Bb4 7.Ne2 Nf6 8.Bg2 
O-O 9.O-O Qc7 10.Bf4 e5 11.Bg5 Be7 12.Bxf6 Bxf6 13.Nd5 Qd8 14.Qd3 Re8 15.
Rad1 Be7 16.Nxe7+ Qxe7 17.Nc3 Nb4 18.Qd2 Rd8 19.a3 Nc6 20.Nd5 Qf8 21.Nb6 
Rb8 22.Qd6 Qxd6 23.Rxd6 Nd4 24.c3 Nb5 25.Rd2 d6 26.a4 Nc7 27.Rfd1 Ne8 28.
Rd3 Be6 29.f4 f6 30.h4 Kf8 31.Kh2 Ke7 32.Bh3 Nc7 33.Bxe6 Kxe6 34.Kg2 g6 
35.Kf2 Ne8 36.Ke3 Ng7 37.Nc4 Ne8 38.Nb6 Ng7 39.R1d2 Ne8 40.Kf3 Nc7 41.h5 
g5 42.f5+ Ke7 43.b4 Na8 44.Nd5+ Kf7 45.Ne3 Ke7 46.Nd5+ Kf7 1/2-1/2

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Rubinetti, Jorge Alberto"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[ECO "E98"]
[EventDate "1961.08.12"]
[PlyCount "106"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Nc6 8.d5 Ne7 
9.Ne1 Nd7 10.Nd3 f5 11.exf5 gxf5 12.f4 e4 13.Nf2 Nf6 14.Be3 c5 15.Rb1 b6 
16.Kh1 Ng6 17.a3 Bd7 18.Qd2 a5 19.Rg1 h5 20.h3 Kf7 21.g3 Rh8 22.b4 axb4 
23.axb4 Ra3 24.bxc5 bxc5 25.Nb5 Bxb5 26.Rxb5 Nd7 27.Kg2 Qa8 28.Rgb1 Bc3 
29.Qc1 Bd4 30.R5b3 Rxb3 31.Rxb3 Qa2 32.Bd1 h4 $4 
    ( 32...Rb8 $5 )
33.Bxd4 cxd4 34.Ra3 $18 Ra8 35.Rxa2 Rxa2 36.Qb1 Ra3 37.gxh4 Nxf4+ 38.Kf1 
Nc5 39.Qc1 Re3 40.Qb2 $4 Re1+ 41.Kxe1 Ncd3+ 42.Nxd3 Nxd3+ 43.Ke2 Nxb2 44.
Bb3 Nd3 45.Kd2 Nc5 46.Bd1 Kg6 47.h5+ Kg5 48.h4+ Kh6 49.Be2 d3 50.Bd1 f4 
51.Bg4 e3+ 52.Kd1 Na4 53.Bf3 Nc3+ 0-1

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Schmidt, Wlodzimierz"]
[Black "Holaszek, Hans"]
[Result "1-0"]
[ECO "C84"]
[EventDate "1961.08.12"]
[PlyCount "33"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4 exd4 6.O-O Be7 7.e5 Ne4 8.Nxd4 
Nc5 9.Nf5 Ne6 10.Nc3 O-O 11.Nd5 Bc5 12.Re1 b5 13.Qg4 Kh8 14.Bb3 Ne7 15.
Ndxe7 Bxe7 16.Bxe6 g6 17.Nxe7 1-0

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Holaszek, Hans"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1/2-1/2"]
[ECO "B86"]
[EventDate "1961.08.12"]
[PlyCount "58"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.a3 Be7 8.Ba2 O-O
9.O-O b5 10.f4 Bb7 11.f5 e5 12.Nde2 Nxe4 13.Nxe4 Bxe4 14.Ng3 Bb7 15.Nh5 
Bf6 16.Qg4 Kh8 17.Nxf6 gxf6 18.Rf2 Qb6 19.Qh5 Rg8 20.Kf1 Qc6 21.Rf3 Rxg2 
22.Kxg2 Qxc2+ 23.Kh3 Qe2 24.Bh6 Qxf3+ 25.Qxf3 Bxf3 26.Rg1 Be4 27.Bg7+ Kg8 
28.Bh6+ Kh8 29.Bg7+ Kg8 1/2-1/2

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Nagy, Bela"]
[Black "Schmidt, Wlodzimierz"]
[Result "1-0"]
[ECO "E97"]
[EventDate "1961.08.12"]
[PlyCount "80"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.b4 Nh5 10.g3 f5 11.Ng5 Nf6 12.f3 Kh8 13.Qb3 h6 14.Ne6 Bxe6 15.dxe6 c6 
16.Rd1 Qc7 17.Ba3 Rfd8 18.b5 Ne8 19.Rd2 Qc8 20.c5 d5 21.exd5 cxd5 22.Nxd5 
Nxd5 23.Rxd5 Rxd5 24.Qxd5 Nc7 25.Qd6 Nxe6 26.Bc4 Nd4 27.Qxg6 Nc2 28.Be6 
Qe8 29.Qxe8+ Rxe8 30.Bd7 Rd8 31.c6 bxc6 32.bxc6 Nxa1 33.c7 Ra8 34.Bxf5 Bf8
35.Bxf8 Rxf8 36.c8=Q Rxc8 37.Bxc8 Nc2 38.Kf2 Kg7 39.Ke2 Kf6 40.Kd2 Nd4 1-0

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Thomson, Derek"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[ECO "A16"]
[EventDate "1961.08.12"]
[PlyCount "72"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.d3 d6 6.Nh3 c6 7.O-O e5 8.Bd2 a5 9.
a3 Na6 10.Rb1 h6 11.Qc1 Kh7 12.b4 axb4 13.axb4 Bd7 14.f4 Ng4 15.Nf2 Nxf2 
16.Rxf2 f5 17.e4 Nc7 18.c5 dxc5 19.bxc5 Ne6 20.Ne2 Bc8 21.exf5 gxf5 22.
fxe5 Qxd3 23.Nf4 Qd4 24.Nh5 Qxe5 25.Nxg7 Qxg7 26.Bc3 Qg6 27.Qe3 Ra4 28.Rd1
Qf7 29.Rd6 Rc4 30.Bh3 Ng5 31.Bg2 Re8 32.Qd2 Be6 33.h4 Ne4 34.Bxe4 Rxe4 35.
Re2 Qg6 36.Be5 Rxe5 0-1

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Gheorghiu, Florin"]
[Black "Holaszek, Hans"]
[Result "1-0"]
[ECO "E70"]
[EventDate "1961.08.12"]
[PlyCount "71"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bg5 O-O 6.Bd3 e5 7.d5 h6 8.Bh4 Nbd7 
9.h3 a5 10.g4 g5 11.Bg3 Re8 12.Nge2 Nf8 13.Qd2 Ng6 14.O-O-O Nd7 15.f3 Nc5 
16.Bc2 Bd7 17.Bf2 b6 18.Ng3 Nf4 19.Rdg1 Qf6 20.Nf5 a4 21.h4 a3 22.b4 Na6 
23.Nb5 Rec8 24.Kb1 c5 25.dxc6 Rxc6 26.hxg5 hxg5 27.Nxa3 Nc5 28.bxc5 Rxa3 
29.cxb6 d5 30.Qb4 Bf8 31.Qb2 d4 32.b7 Rb6 33.b8=Q Rxb8 34.Qxb8 Rxf3 35.Be1
d3 36.Bd1 1-0

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Rubinetti, Jorge Alberto"]
[Black "Nagy, Bela"]
[Result "1/2-1/2"]
[ECO "E25"]
[EventDate "1961.08.12"]
[PlyCount "86"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 Nxd5 8.Qd3 
b6 9.e4 Ba6 10.Qd2 Bxf1 11.Kxf1 Ne7 12.Ne2 O-O 13.Kf2 Nbc6 14.Rd1 cxd4 15.
cxd4 Na5 16.Qd3 Rc8 17.Bb2 Qd7 18.a4 Nc4 19.Bc3 Rc7 20.Rdc1 Rfc8 21.h4 Nd6
22.h5 Rc4 23.Qd1 f5 24.exf5 exf5 25.Qb3 Nd5 26.Bd2 Qf7 27.h6 g6 28.Rxc4 
Nxc4 29.Rc1 Nd6 30.Rxc8+ Nxc8 31.Qc2 Qd7 32.Qc4 Ne7 33.Nf4 Kf8 34.Nd3 Qc6 
35.Qb3 Qd6 36.Ne5 Nc6 37.Bf4 Qe6 38.Nxc6 Qxc6 39.Be5 Kf7 40.Kg3 Ke6 41.Qd1
Qc3 42.Qe2 Qe3 43.Qc4 Qg5+ 1/2-1/2

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Schmidt, Wlodzimierz"]
[Black "Thomson, Derek"]
[Result "0-1"]
[ECO "B94"]
[EventDate "1961.08.12"]
[PlyCount "71"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.Bc4 Qa5 8.Qd2 
e6 9.O-O-O b5 10.Bb3 Bb7 11.Rhe1 Nc5 12.Bxf6 gxf6 13.Qf4 Nxb3+ 14.axb3 Rg8
15.Qh4 Rg6 16.f4 Rc8 17.Re2 d5 18.exd5 Rxc3 19.bxc3 Qxc3 20.Rd3 Ba3+ 21.
Kd1 Qa1+ 22.Kd2 Qc1+ 23.Kc3 Bxd5 24.Nf5 Qa1+ 25.Kd2 Bc1+ 26.Ke1 Ba3+ 27.
Kd2 Bxg2 28.Qe1 Bb4+ 29.c3 Qa2+ 30.Ke3 Bc5+ 31.Nd4 Qxb3 32.Kf2 Qd5 33.Ree3
Kf8 34.Qd2 Bh3 35.Rxh3 Rg2+ 36.Ke3 {Time} 0-1

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Jakobsen, Ole"]
[Black "Schmidt, Wlodzimierz"]
[Result "1/2-1/2"]
[ECO "B86"]
[EventDate "1961.08.12"]
[PlyCount "171"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.a3 Be7 8.O-O O-O
9.Ba2 b5 10.f4 Bb7 11.f5 e5 12.Nde2 Nxe4 13.Nxe4 Bxe4 14.Ng3 Bb7 15.Nh5 
Bf6 16.Qg4 Kh8 17.Nxf6 gxf6 18.Qh4 Nd7 19.Rf2 Qb6 20.Kf1 Qc6 21.Bh6 Rg8 
22.Rd2 Qe4 23.Qxe4 Bxe4 24.Bxf7 Rg4 25.Bd5 Bxd5 26.Rxd5 Rh4 27.Rxd6 Rxh6 
28.Rxd7 Rxh2 29.Kg1 Rh5 30.Rf1 Rc8 31.Rf2 Rc6 32.g3 Rg5 33.Kg2 h5 34.Kh3 
Rg7 35.Rd8+ Kh7 36.Rfd2 Kh6 37.c3 Kg5 38.Rf2 Rc5 39.Rd6 a5 40.Rf1 b4 41.
cxb4 axb4 42.Rd3 Rc2 43.axb4 Rxb2 44.Rd8 Rxb4 45.Rh8 Rbb7 46.Rf2 Rh7 47.
Rf8 Rbg7 48.Re8 Rd7 49.Rg8+ Rhg7 50.Rf8 Rd3 51.Rh8 Rdd7 52.Rf8 Rde7 53.Ra8
Ra7 54.Re8 Ra3 55.Rh8 Raa7 56.Re8 Rac7 57.Rf1 Rcd7 58.Ra8 Rd3 59.Rh8 Rd4 
60.Rf2 Rg4 61.Rf1 e4 62.Kg2 h4 63.Rxh4 Rxh4 64.gxh4+ Kg4 65.h5 e3 66.h6 
Rd7 67.Rc1 Rd2+ 68.Kg1 Kg3 69.h7 Rg2+ 70.Kf1 Rh2 71.h8=Q Rxh8 72.Ke2 Re8 
73.Rf1 Kg4 74.Rf3 Re4 75.Rf1 Re5 76.Rf3 Rxf5 77.Rxe3 Rf4 78.Ra3 f5 79.Rb3 
Ra4 80.Kf2 Ra2+ 81.Kg1 f4 82.Rc3 Re2 83.Kf1 Re3 84.Rxe3 fxe3 85.Ke2 Kf4 
86.Ke1 1/2-1/2

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Nagy, Bela"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "D19"]
[EventDate "1961.08.12"]
[PlyCount "31"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O
9.Qe2 Nbd7 10.Rd1 h6 11.Ne1 Nb6 12.Bd3 Bxd3 13.Nxd3 a5 14.f3 Nfd5 15.Nxd5 
cxd5 16.b3 1/2-1/2

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Thomson, Derek"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "E61"]
[EventDate "1961.08.12"]
[PlyCount "103"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Bf4 O-O 5.Nf3 c5 6.d5 d6 7.e3 Na6 8.Be2 Nc7 
9.h3 Rb8 10.a4 Nfe8 11.e4 a6 12.Qd2 Bd7 13.O-O b5 14.axb5 axb5 15.Bh6 bxc4
16.Bxg7 Kxg7 17.Bxc4 Rb4 18.Qe2 Qb8 19.b3 Bb5 20.Nd2 Nf6 21.f4 Qb7 22.Qf3 
Ra8 23.e5 Nfe8 24.Rae1 Bxc4 25.bxc4 e6 26.g4 exd5 27.cxd5 Ra3 28.Re3 h6 
29.f5 g5 30.f6+ Kg8 31.e6 Rf4 32.Qe2 fxe6 33.f7+ Kxf7 34.dxe6+ Kg7 35.Nc4 
Ra7 36.Rb1 Qa6 37.Re4 Nxe6 38.Nb5 Rxe4 39.Qxe4 Re7 40.Nbxd6 Nf6 41.Qe5 Kg6
42.Rf1 Ng8 43.Qe4+ Kg7 44.Nf5+ Kh8 45.Qe5+ Ng7 46.Nxe7 Qxc4 47.Nf5 Qf7 48.
Nxh6 Nxh6 49.Rxf7 Nxf7 50.Qf6 Kg8 51.Qe7 c4 52.Kf1 1-0

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Gheorghiu, Florin"]
[Black "Thomson, Derek"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1961.08.12"]
[PlyCount "36"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Be7 6.Qc2 c6 7.e3 Nbd7 8.Bd3 
O-O 9.Nf3 Re8 10.O-O-O Nf8 11.Bxf6 Bxf6 12.h3 Bd7 13.g4 c5 14.dxc5 Bxc3 
15.Qxc3 Rc8 16.Kb1 b6 17.Qd4 bxc5 18.Qxd5 Qc7 1/2-1/2

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Holaszek, Hans"]
[Black "Nagy, Bela"]
[Result "1-0"]
[ECO "B75"]
[EventDate "1961.08.12"]
[PlyCount "45"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f3 Bg7 7.Be3 a6 8.Qd2 
Nbd7 9.O-O-O b5 10.Bh6 O-O 11.h4 Ne5 12.Bxg7 Kxg7 13.h5 Rh8 14.g4 Be6 15.
h6+ Kf8 16.g5 Nfd7 17.f4 Nc4 18.Bxc4 Bxc4 19.b3 b4 20.Nb1 Bb5 21.e5 Nc5 
22.Nxb5 axb5 23.Qxb4 1-0

[Event "6th World U20 ch prel. group 1"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Rubinetti, Jorge Alberto"]
[Black "Jakobsen, Ole"]
[Result "1-0"]
[ECO "A65"]
[EventDate "1961.08.12"]
[PlyCount "75"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 g6 6.e4 d6 7.Bf4 a6 8.a4 Bg7 9.
Be2 O-O 10.Nf3 Qe7 11.Nd2 Nbd7 12.O-O Ne5 13.Bg3 Rb8 14.h3 Ne8 15.f4 Nd7 
16.Qc2 b6 17.Rae1 Qd8 18.Bd3 b5 19.axb5 axb5 20.Nxb5 Ba6 21.Nc3 Bxd3 22.
Qxd3 Rxb2 23.e5 Nb6 24.Rb1 Rb4 25.Nf3 Nc7 26.Bh4 Qd7 27.Rbd1 Nc4 28.Rde1 
Re8 29.Bg3 Nb5 30.Ne4 Nb2 31.Qd2 Nc4 32.Qc1 dxe5 33.fxe5 Qd8 34.Bh4 Qxd5 
35.Nf6+ Bxf6 36.exf6 Rxe1 37.Rxe1 Nbd6 38.Qh6 1-0

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Hort, Vlastimil"]
[Black "Kinnmark, Ove"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1961.08.12"]
[PlyCount "92"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 c5 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nc6 7.O-O Be7 8.Qc2 
O-O 9.b3 Ndb4 10.Qb1 Nd4 11.Ne1 Qb6 12.Bb2 Bd7 13.e3 Nb5 14.Na4 Qc7 15.a3 
Nd5 16.Nd3 Rac8 17.Rc1 b6 18.Ne5 Qd8 19.Nc3 Be8 20.Nxd5 exd5 21.a4 Nc7 22.
d4 Ne6 23.Qf5 Qd6 24.dxc5 bxc5 25.Rd1 d4 26.exd4 cxd4 27.Ba3 Qd8 28.Bb2 
Qb6 29.Bd5 Rc5 30.Nd3 Rc7 31.Rac1 Rxc1 32.Rxc1 Bd7 33.Qe4 Bf6 34.f4 Re8 
35.Ne5 Bxa4 36.bxa4 Qxb2 37.Rb1 Qa3 38.Bxe6 fxe6 39.Qc6 Qe3+ 40.Kg2 Qe2+ 
41.Kh1 Kf8 42.Qd6+ Be7 43.Qxe6 Qe4+ 44.Kg1 Qxb1+ 45.Kg2 Qb7+ 46.Kf2 Qb2+ 
1/2-1/2

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Maalouf, Carlos"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[ECO "A09"]
[EventDate "1961.08.12"]
[PlyCount "58"]

1.Nf3 d5 2.c4 d4 3.d3 Bg4 4.Nbd2 c5 5.g3 Nc6 6.Bg2 Nh6 7.h3 Bxf3 8.Nxf3 
Nf5 9.Qa4 Qd7 10.Bd2 e6 11.a3 Be7 12.b4 O-O 13.O-O a6 14.Rfb1 Rfb8 15.g4 
Nh4 16.Nxh4 Bxh4 17.Bf4 e5 18.Bd2 h5 19.f3 b5 20.Qc2 cxb4 21.cxb5 Rxb5 22.
axb4 Rab8 23.Rxa6 Nxb4 24.Bxb4 Rxb4 25.Rxb4 Rxb4 26.Ra8+ Kh7 27.Qc8 Rb1+ 
28.Bf1 Qxc8 29.Rxc8 hxg4 1/2-1/2

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Smith, David"]
[Black "Rosino, Antonio"]
[Result "0-1"]
[ECO "B39"]
[EventDate "1961.08.12"]
[PlyCount "114"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 Ng4 8.Qxg4 
Nxd4 9.Qd1 e5 10.Nb5 O-O 11.Qd2 Qh4 12.Bd3 d5 13.Bg5 Qg4 14.f3 Qd7 15.Nxd4
dxe4 16.Bxe4 Qxd4 17.Qxd4 exd4 18.O-O a5 19.Rfd1 Be6 20.Rac1 Rac8 21.c5 
Rc7 22.Bf4 Rd7 23.b3 Rc8 24.c6 bxc6 25.Rxc6 Rxc6 26.Bxc6 Rd8 27.Bb5 Bf5 
28.Bc7 Rd5 29.Bc4 Rd7 30.Bxa5 Bc2 31.Re1 Bh6 32.Re8+ Kg7 33.Kf1 Bg5 34.Ke1
Ra7 35.Bb4 Rxa2 36.Bf8+ Kf6 37.Be7+ Kf5 38.g4+ Kf4 39.Bxg5+ Kxg5 40.Rd8 
Kf4 41.Be2 d3 42.Bxd3 Ke3 43.Bxc2 Rxc2 44.h4 Rh2 45.Re8+ Kxf3 46.Re7 Kxg4 
47.Rxf7 Rxh4 48.b4 h5 49.b5 Rh2 50.b6 Rb2 51.b7 g5 52.Rc7 h4 53.Kf1 h3 54.
Rc4+ Kg3 55.Rc3+ Kh4 56.Rc7 h2 57.Rh7+ Kg3 0-1

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Kinnmark, Ove"]
[Black "Maalouf, Carlos"]
[Result "1-0"]
[ECO "B18"]
[EventDate "1961.08.12"]
[PlyCount "75"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nh3 e6 7.Nf4 Nf6 8.h4 
Bd6 9.h5 Bxf4 10.Bxf4 Bf5 11.Nxf5 Qa5+ 12.Qd2 Qxf5 13.O-O-O Qd5 14.c4 Qd7 
15.h6 g6 16.Be5 Qe7 17.Qf4 Nbd7 18.Bd6 Qd8 19.Rh3 Nh5 20.Qe4 Ndf6 21.Qe5 
Kd7 22.Be2 Kc8 23.g4 Nd7 24.Qe3 Nhf6 25.g5 Ne8 26.Bh2 Nc7 27.Rf3 Qe7 28.
Kb1 Re8 29.Qf4 e5 30.dxe5 Ne6 31.Qxf7 Nxg5 32.Qxe7 Rxe7 33.Re3 Ne6 34.Bg4 
Kc7 35.Red3 Rd8 36.Rd6 Ng5 37.e6 Nf6 38.Rxd8+ 1-0

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Pfleger, Helmut"]
[Black "Smith, David"]
[Result "1/2-1/2"]
[ECO "B47"]
[EventDate "1961.08.12"]
[PlyCount "114"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2 Nc6 8.Be3 
Be7 9.O-O O-O 10.f4 d6 11.Qe2 Bd7 12.Rad1 Rac8 13.f5 Nxd4 14.Rxd4 exf5 15.
exf5 Rfe8 16.Qd2 Bc6 17.Bxc6 bxc6 18.Bf2 d5 19.Ra4 Qb7 20.Re1 c5 21.Qd3 
Ra8 22.Rf4 Bd6 23.Rxe8+ Rxe8 24.Rh4 d4 25.Nd1 Nd7 26.Kf1 Qc6 27.c4 Qh1+ 
28.Bg1 Ne5 29.Qe4 Qf3+ 30.Nf2 d3 31.Rf4 Qxe4 32.Rxe4 Rd8 33.Nd1 f6 34.Nc3 
Nf3 35.Be3 Be5 36.Nd5 Bd4 37.Kf2 Bxe3+ 38.Kxe3 Ne5 39.b3 Kf7 40.Kd2 Rd7 
41.Re3 Ng4 42.Rxd3 Nxh2 43.b4 cxb4 44.c5 Nf3+ 45.Ke2 Ne5 46.Rd1 a5 47.Ke3 
Nc6 48.Ke4 Ne7 49.Rd3 Ke8 50.g4 Rxd5 51.Rxd5 Nxd5 52.Kxd5 Kd7 53.c6+ Kc7 
54.Kc5 a4 55.Kxb4 Kxc6 56.Kxa4 g6 57.fxg6 hxg6 1/2-1/2

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Rosino, Antonio"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1961.08.12"]
[PlyCount "48"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d6 5.Nc3 O-O 6.Nf3 Nbd7 7.O-O e5 8.e3 Re8 
9.b3 c6 10.Qc2 Qa5 11.a3 Nf8 12.dxe5 dxe5 13.Bb2 Qc7 14.Rfd1 h6 15.h3 N8h7
16.Kh2 Ng5 17.Rac1 Bxh3 18.Nxg5 Bxg2 19.Nxf7 Bf3 20.Nd6 Re6 21.c5 Qe7 22.
Rh1 Ng4+ 23.Kg1 Bxh1 24.Kxh1 e4 0-1

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Hort, Vlastimil"]
[Black "Pfleger, Helmut"]
[Result "1/2-1/2"]
[ECO "C41"]
[EventDate "1961.08.12"]
[PlyCount "38"]

1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.O-O Be7 6.c3 b5 7.Bd3 Ngf6 8.a4 bxa4 
9.Rxa4 O-O 10.Nbd2 c5 11.dxe5 dxe5 12.Nc4 Qc7 13.Qc2 Bb7 14.Ra2 Rfd8 15.
Bg5 Nb6 16.Re1 h6 17.Bh4 Nxc4 18.Bxc4 Nh5 19.Rea1 Nf4 1/2-1/2

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Maalouf, Carlos"]
[Black "Rosino, Antonio"]
[Result "0-1"]
[ECO "E68"]
[EventDate "1961.08.12"]
[PlyCount "82"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d6 6.c4 Nbd7 7.Nc3 e5 8.e4 c6 
9.b3 Re8 10.Bb2 exd4 11.Nxd4 Nc5 12.Qc2 a5 13.a3 Qb6 14.Rad1 Nfd7 15.f4 
Nxb3 16.Na4 Nxd4 17.Nxb6 Nxc2 18.Nxa8 Bxb2 19.Rd2 Bxa3 20.Rxc2 Nf8 21.Rb1 
Bc5+ 22.Kf1 Nd7 23.Re2 Nf6 24.f5 Ng4 25.Rb3 a4 26.Rb1 Ne3+ 27.Kg1 Nxc4+ 
28.Kh1 gxf5 29.Rc1 d5 30.e5 Be6 31.Nc7 Rc8 32.Nxe6 fxe6 33.Bf1 b5 34.Ra2 
Rd8 35.Bd3 Be7 36.Re2 Ra8 37.Bxc4 dxc4 38.Rd1 a3 39.Rd7 a2 40.Rxa2 Rxa2 
41.Rxe7 c3 0-1

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Zuidema, Coenraad"]
[Black "Kinnmark, Ove"]
[Result "1/2-1/2"]
[ECO "C75"]
[EventDate "1961.08.12"]
[PlyCount "46"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.d4 Nge7 7.Nbd2 Ng6 8.Nf1 
Be7 9.Ne3 O-O 10.d5 Nb8 11.Bxd7 Nxd7 12.Nf5 Bf6 13.h4 Nc5 14.Ng5 h6 15.b4 
Nd7 16.Qh5 Re8 17.g4 Ndf8 18.Nf3 Nf4 19.Bxf4 exf4 20.O-O-O Bxc3 21.g5 Qd7 
22.Rd3 Rxe4 23.Qg4 Rc4 1/2-1/2

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Pfleger, Helmut"]
[Black "Maalouf, Carlos"]
[Result "1-0"]
[ECO "A70"]
[EventDate "1961.08.12"]
[PlyCount "83"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bb5+ Bd7
9.Bxd7+ Nbxd7 10.O-O O-O 11.Bg5 h6 12.Bf4 Nb6 13.Qd3 Nh5 14.Bd2 Nf6 15.
Rfe1 Re8 16.a4 a6 17.a5 Nbd7 18.Bf4 Qb8 19.Re2 Ng4 20.h3 Nge5 21.Nxe5 Nxe5
22.Bxe5 Bxe5 23.Na4 Qc7 24.Nb6 Rad8 25.Rf1 Qe7 26.f4 Bd4+ 27.Kh1 Qf6 28.
Rf3 Qg7 29.Nc4 Kf8 30.Rf1 Qf6 31.Ree1 Qg7 32.e5 dxe5 33.fxe5 Bxe5 34.Nxe5 
Rxe5 35.Rxe5 Qxe5 36.Qxg6 Qxd5 37.Qxh6+ Kg8 38.Rf3 Qd1+ 39.Kh2 Rd6 40.Rg3+
Rg6 41.Rxg6+ fxg6 42.Qxg6+ 1-0

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Rosino, Antonio"]
[Black "Zuidema, Coenraad"]
[Result "0-1"]
[ECO "C99"]
[EventDate "1961.08.12"]
[PlyCount "36"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Bb7 14.Nf1 Rac8 15.Bd3 
Nd7 16.Ne3 exd4 17.Nxd4 Bf6 18.Bb1 Qxc1 0-1

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Smith, David"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1961.08.12"]
[PlyCount "112"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.Be2 e6 8.Be3 b5 
9.a3 Bb7 10.Bf3 Nbd7 11.O-O Nc5 12.e5 dxe5 13.Bxb7 Nxb7 14.fxe5 Qxe5 15.
Qf3 Qc7 16.Bg5 O-O-O 17.Nb3 Bd6 18.h3 Be7 19.Rad1 Rxd1 20.Rxd1 Rd8 21.
Rxd8+ Kxd8 22.Kh1 Qd7 23.Qe3 Qc6 24.Qa7 Nd6 25.Na5 Qc8 26.Bf4 Nfe8 27.Qb6+
Kd7 28.a4 Bd8 29.Qa7+ Qc7 30.Qxc7+ Bxc7 31.Nb3 Bb6 32.axb5 axb5 33.Be5 f6 
34.Bd4 Bxd4 35.Nxd4 Nc7 36.Kg1 e5 37.Nf3 Kc6 38.Kf2 Nd5 39.Nd1 Ne4+ 40.Kf1
Kc5 41.Ne1 Nf4 42.Nf3 g6 43.Ne3 Nd5 44.Nd1 Nd6 45.Nd2 Nc4 46.Nb3+ Kd6 47.
Ke2 f5 48.Nc1 g5 49.b3 Na3 50.Kd2 Nb1+ 51.Ke1 Ndc3 52.Nxc3 Nxc3 53.Kd2 Nd5
54.Ke2 e4 55.Kf2 Nc3 56.Ke1 b4 0-1

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Kinnmark, Ove"]
[Black "Rosino, Antonio"]
[Result "1-0"]
[ECO "C85"]
[EventDate "1961.08.12"]
[PlyCount "75"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Bd6 8.Nbd2
c5 9.Nc4 Qe7 10.a4 O-O 11.b3 Bg4 12.h3 Bh5 13.Ne3 Bg6 14.Nh4 Nh5 15.Nhf5 
Qd7 16.Qf3 Nf4 17.Kh2 Rad8 18.g3 Ne6 19.Bb2 Nd4 20.Bxd4 exd4 21.Ng2 Rde8 
22.Rae1 Re5 23.Nxd6 cxd6 24.g4 f6 25.Qg3 Rfe8 26.f4 R5e7 27.h4 h6 28.g5 
hxg5 29.hxg5 f5 30.Nh4 Bf7 31.Nxf5 Re6 32.Nh4 g6 33.f5 gxf5 34.g6 Bxg6 35.
Nxg6 Kf7 36.Rxf5+ Rf6 37.Rxf6+ Kxf6 38.Rf1+ 1-0

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Maalouf, Carlos"]
[Black "Smith, David"]
[Result "0-1"]
[ECO "E68"]
[EventDate "1961.08.12"]
[PlyCount "100"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d6 6.c4 Nbd7 7.Nc3 e5 8.e4 c6 
9.b3 exd4 10.Nxd4 Nc5 11.Bb2 a5 12.Qc2 Qb6 13.Rfd1 a4 14.Nce2 Re8 15.f3 d5
16.exd5 cxd5 17.Kh1 Bd7 18.Rac1 Rec8 19.Qd2 axb3 20.axb3 dxc4 21.Rxc4 Be6 
22.Rb4 Qd6 23.Nf4 Rd8 24.Nfxe6 fxe6 25.Bc3 e5 26.Nc2 Nd3 27.Ne3 Qe7 28.Ra4
Rxa4 29.bxa4 Bh6 30.Rb1 Qc5 31.Qa2+ Kh8 32.Nd1 Qe7 33.Qb3 Rd7 34.Qa2 Bg7 
35.Bd2 Nd5 36.Qb3 Nc5 37.Qa3 Bf8 38.Bh3 Rd8 39.Ba5 Re8 40.Bd2 Qf7 41.Bg2 
Qf5 42.Qa2 Rd8 43.Nf2 Nf6 44.Ba5 Ra8 45.Rb5 Qd7 46.Qb1 Qd4 47.Ne4 Nfxe4 
48.fxe4 Qxa4 49.Bc3 Re8 50.Rb6 Bg7 {Time} 0-1

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Zuidema, Coenraad"]
[Black "Pfleger, Helmut"]
[Result "0-1"]
[ECO "B17"]
[EventDate "1961.08.12"]
[PlyCount "64"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Bc4 Ngf6 6.Ng5 e6 7.Qe2 Nb6 8.Bb3 
h6 9.N5f3 c5 10.dxc5 Bxc5 11.Ne5 Nbd7 12.Ngf3 Nxe5 13.Nxe5 O-O 14.O-O b6 
15.c4 Bb7 16.Bc2 Qd4 17.Rb1 Bd6 18.Nf3 Bxf3 19.Qxf3 Qxc4 20.Bd3 Qd5 21.Qh3
Rfd8 22.Bc2 Rac8 23.Bb3 Qe5 24.g3 Bc5 25.Bf4 Qe2 26.Qg2 Nd5 27.Rfe1 Qh5 
28.Be5 Ne3 29.fxe3 Qxe5 30.Qe2 Qe4 31.Rbd1 Rxd1 32.Bxd1 Rd8 0-1

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Hort, Vlastimil"]
[Black "Maalouf, Carlos"]
[Result "1-0"]
[ECO "E69"]
[EventDate "1961.08.12"]
[PlyCount "127"]

1.c4 e5 2.Nc3 d6 3.g3 c6 4.Bg2 Nf6 5.Nf3 Nbd7 6.d4 g6 7.O-O Bg7 8.e4 O-O 
9.h3 Re8 10.Re1 Qc7 11.Be3 b6 12.Qc2 Bb7 13.Rad1 Rad8 14.d5 c5 15.a3 h6 
16.Nd2 Nh5 17.Nb5 Qb8 18.b4 a6 19.Nc3 Qc7 20.Rb1 Rb8 21.Bf3 Nhf6 22.Qd3 
Rf8 23.Nb3 Rfc8 24.Be2 Ba8 25.Rec1 Ne8 26.Kg2 Qd8 27.h4 h5 28.Rc2 Nef6 29.
f3 Rc7 30.Rcb2 Rcb7 31.Nd1 Qc8 32.Nf2 Nf8 33.Nh3 N6h7 34.Rc2 Nf6 35.Qd2 
N6h7 36.Rcb2 Nd7 37.Bd3 Qd8 38.Rc2 Qc8 39.Kh2 Qf8 40.Be2 Ndf6 41.Rcb2 Qc8 
42.bxc5 bxc5 43.Na5 Rxb2 44.Rxb2 Qc7 45.Rxb8+ Qxb8 46.Qc2 Qb6 47.Bd2 Nd7 
48.Bd3 Nhf6 49.Kg2 Nb8 50.Ng5 Bb7 51.Nxb7 Qxb7 52.Ba5 Nbd7 53.Qb1 Qxb1 54.
Bxb1 Bf8 55.Bc2 Nb8 56.Ba4 Nfd7 57.Bc7 Be7 58.Kf2 Kf8 59.Ke2 f6 60.Ne6+ 
Kf7 61.Nd8+ Bxd8 62.Bxd8 Ke8 63.Bxf6 Kf7 64.Bd8 1-0

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Pfleger, Helmut"]
[Black "Kinnmark, Ove"]
[Result "1/2-1/2"]
[ECO "C24"]
[EventDate "1961.08.12"]
[PlyCount "21"]

1.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.Nf3 Nxe4 5.Qxd4 Nf6 6.Bg5 Nc6 7.Qh4 Be7 8.
Nc3 d6 9.O-O-O Be6 10.Rhe1 Bxc4 11.Qxc4 1/2-1/2

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Smith, David"]
[Black "Zuidema, Coenraad"]
[Result "0-1"]
[ECO "E43"]
[EventDate "1961.08.12"]
[PlyCount "84"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 c5 7.O-O O-O 8.Bd2 cxd4
9.exd4 d5 10.a3 Be7 11.cxd5 Nxd5 12.Re1 Bf6 13.Ne5 Ne7 14.Be3 g6 15.Bh6 
Bg7 16.Bxg7 Kxg7 17.Be4 Bxe4 18.Rxe4 Nd7 19.Qf3 Nf5 20.Rd1 Nf6 21.Ree1 Ne7
22.h3 Rc8 23.Qd3 Nfd5 24.Nxd5 Qxd5 25.Re2 Rc7 26.Rc2 Rfc8 27.Rxc7 Rxc7 28.
Qd2 Nf5 29.Ng4 Qb3 30.Rc1 Rxc1+ 31.Qxc1 Qd3 32.Qc7 Qd1+ 33.Kh2 Qxd4 34.
Qxa7 h5 35.Ne3 Nxe3 36.fxe3 Qxb2 37.Qc7 b5 38.Qc5 Kf6 39.Qb6 Qxa3 40.Qxb5 
Qxe3 41.Qe8 Kg7 42.Qe7 e5 0-1

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Kinnmark, Ove"]
[Black "Smith, David"]
[Result "1/2-1/2"]
[ECO "B84"]
[EventDate "1961.08.12"]
[PlyCount "44"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 a6 7.O-O Qc7 8.Kh1 b5
9.a3 Bb7 10.f3 Be7 11.Be3 O-O 12.Bd3 Nbd7 13.Nce2 d5 14.exd5 Nxd5 15.Bf2 
Bf6 16.Ng3 g6 17.Re1 e5 18.Nb3 Be7 19.Qd2 Qd8 20.Be4 Bg5 21.Qd1 N7f6 22.
Nc5 Bc6 1/2-1/2

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Rosino, Antonio"]
[Black "Pfleger, Helmut"]
[Result "1/2-1/2"]
[ECO "B39"]
[EventDate "1961.08.12"]
[PlyCount "48"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 Nc6 5.Nc3 g6 6.e4 Bg7 7.Be3 Ng4 8.Qxg4 
Bxd4 9.Bxd4 Nxd4 10.Qd1 Nc6 11.Qd2 d6 12.Be2 Qa5 13.O-O O-O 14.Kh1 f5 15.
Qd5+ Qxd5 16.exd5 Ne5 17.f4 Nd7 18.Nb5 Nf6 19.Rae1 Bd7 20.Nd4 Kf7 21.Rf3 
Rac8 22.Re3 Rfe8 23.Nf3 h6 24.Bd3 e6 1/2-1/2

[Event "6th World U20 ch prel. group 2"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Zuidema, Coenraad"]
[Black "Hort, Vlastimil"]
[Result "1-0"]
[ECO "C42"]
[EventDate "1961.08.12"]
[PlyCount "181"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 
Bg4 9.c3 f5 10.Qb3 O-O 11.Qxb7 Bxf3 12.gxf3 Bh4 13.Bxe4 fxe4 14.Qxc6 Rf6 
15.Qb5 Rg6+ 16.Kh1 exf3 17.Bf4 Rb8 18.Bxc7 Rxb5 19.Bxd8 Bxf2 20.Rf1 Rxb2 
21.Bc7 Be3 22.Bg3 f2 23.Kg2 Rf6 24.Be5 Rf5 25.c4 Rc2 26.cxd5 Rg5+ 27.Bg3 
Rxd5 28.a4 Bxd4 29.Ra3 Rf5 30.Rd3 Rc4 31.a5 Rxa5 32.Nd2 Rb4 33.Nb3 Raa4 
34.Nxd4 Rxd4 35.Rxd4 Rxd4 36.Ra1 Rg4 37.Rxa7 h6 38.Kxf2 Kh7 39.Be5 Rg6 40.
Kf3 Kg8 41.Kf4 Rg2 42.Kf5 Rg1 43.Ke6 Rg6+ 44.Ke7 Rg1 45.Ra8+ Kh7 46.Ra3 
Re1 47.Ke6 Rb1 48.Rc3 Rb6+ 49.Kf7 Rb5 50.Re3 Ra5 51.Bc3 Rf5+ 52.Ke8 Kg8 
53.Re7 Rg5 54.Kd7 Rg2 55.Be5 Rg1 56.Re8+ Kf7 57.Bd6 Rb1 58.Rf8+ Kg6 59.Ke6
Kh7 60.Rb8 Rg1 61.Rb3 Rg6+ 62.Ke7 Rg5 63.Rc3 Kg8 64.Rc5 Rg1 65.Be5 Rg5 66.
Rc8+ Kh7 67.Ke6 Rg6+ 68.Kf7 Rg5 69.Re8 Rf5+ 70.Ke6 Rg5 71.Rc8 Rg6+ 72.Kd5 
Rg2 73.Rc3 Ra2 74.Rc7 Rg2 75.Ke6 Kg8 76.Rc8+ Kh7 77.Rc3 Rg6+ 78.Kf7 Rg5 
79.Re3 Rf5+ 80.Ke6 Rf2 81.Rb3 Kg8 82.Rb8+ Kh7 83.Rb7 Rg2 84.Kf7 Rg5 85.Re7
Rf5+ 86.Ke8 Rg5 87.h4 Rg1 88.Kf8 Rf1+ 89.Rf7 Rxf7+ 90.Kxf7 g5 91.h5 1-0

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Diekstra, John"]
[Black "Gilden, Lawrence"]
[Result "1-0"]
[ECO "E62"]
[EventDate "1961.08.12"]
[PlyCount "114"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.c4 Nc6 7.Nc3 Bg4 8.h3 Bxf3
9.Bxf3 Nd7 10.e3 e5 11.Bxc6 bxc6 12.b3 Qf6 13.d5 e4 14.Bb2 cxd5 15.Qxd5 
Rae8 16.Rab1 Qf3 17.Nb5 Bxb2 18.Rxb2 Re5 19.Qd1 Qf6 20.Rd2 Rh5 21.Kg2 Ne5 
22.Nxc7 Nf3 23.Rxd6 Qe5 24.Rh1 Rf5 25.Nb5 Qb2 26.Rf1 Re8 27.Qa1 Nh4+ 28.
Kg1 Nf3+ 29.Kh1 Rh5 30.Kg2 Qe2 31.Qd1 Qxa2 32.Nc3 Qa5 33.Nxe4 Nh4+ 34.gxh4
Rxe4 35.Rd8+ Kg7 36.Qa1+ Qxa1 37.Rxa1 Rexh4 38.Rxa7 Rxh3 39.Ra2 Rh1 40.b4 
R5h2+ 41.Kf3 Rb1 42.b5 Rb4 43.Rc2 Rh5 44.Ke4 Rhxb5 45.Rd5 Rb8 46.Rd4 Kf6 
47.c5 Ke6 48.Ra2 R4b7 49.Ra6+ Ke7 50.c6 Rc7 51.Kd5 f5 52.Kc5 Rb2 53.Rda4 
g5 54.Rb4 Rc2+ 55.Rc4 Rd2 56.Kb6 Rc8 57.Kb7 Rf8 1-0

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Minaya Molano, Juan"]
[Black "Larusson, Gudmundur"]
[Result "0-1"]
[ECO "E19"]
[EventDate "1961.08.12"]
[PlyCount "56"]

1.d4 Nf6 2.Nf3 b6 3.c4 e6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 Ne4 7.Qc2 Nxc3 8.Qxc3 
Be4 9.O-O O-O 10.Ne1 Bxg2 11.Nxg2 f5 12.d5 Na6 13.dxe6 dxe6 14.Bf4 Nc5 15.
Rad1 Qc8 16.b4 Ne4 17.Qb2 a5 18.b5 Bc5 19.Be5 g5 20.Ne1 Rf7 21.Nd3 Qf8 22.
Kg2 f4 23.f3 Nd6 24.Qc1 Nf5 25.Ba1 Ne3+ 26.Kh1 fxg3 27.hxg3 Qh6+ 28.Kg1 
Ng4+ 0-1

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Westerinen, Heikki"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "B35"]
[EventDate "1961.08.12"]
[PlyCount "100"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 Qa5 8.f3 
Qb4 9.Nxc6 bxc6 10.Bb3 Ba6 11.Qd2 O-O 12.e5 Ne8 13.Qxd7 Bxe5 14.Qxc6 Nc7 
15.O-O-O Rac8 16.Qc5 Qxc5 17.Bxc5 Nb5 18.Ne4 Rc7 19.a4 Nd6 20.Bxd6 exd6 
21.Nxd6 Rb8 22.Kb1 Rb6 23.Ne4 Bc4 24.Nd2 Be6 25.g3 Bf5 26.Ne4 h6 27.Rd5 
Bg7 28.Rb5 Rbc6 29.Rd1 Kh7 30.Rd2 a6 31.Rb8 Re7 32.Bd5 Rcc7 33.Rb6 Rcd7 
34.Rd3 a5 35.Rb5 Ra7 36.Rb8 Be5 37.Rd8 Bc7 38.Bc6 Bxd8 39.Rxd8 Rac7 40.Bd5
Rcd7 41.Rxd7 Bxd7 42.b3 Kg7 43.c4 f5 44.Nd6 Re2 45.b4 axb4 46.a5 Ba4 47.a6
Bc2+ 48.Kb2 Ba4+ 49.Kc1 Rc2+ 50.Kb1 Rd2 1/2-1/2

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Diekstra, John"]
[Black "Minaya Molano, Juan"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1961.08.12"]
[PlyCount "62"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.c4 d6 6.Nc3 Nbd7 7.O-O e5 8.b3 Re8 
9.Bb2 c6 10.e4 a5 11.Qc2 exd4 12.Nxd4 Nc5 13.Rad1 Qc7 14.h3 Nh5 15.Kh2 Ne6
16.Nce2 Nxd4 17.Nxd4 Bd7 18.f4 Re7 19.Ba3 c5 20.Nf3 a4 21.b4 Bc6 22.Ne1 
Rae8 23.bxc5 Bxe4 24.Bxe4 Rxe4 25.cxd6 Re2+ 26.Ng2 Qc6 27.Rf2 Rxc2 28.Rxc2
Qf3 29.d7 Rd8 30.Re1 Qxg3+ 31.Kg1 Bd4+ 0-1

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Gilden, Lawrence"]
[Black "Rischette, Robert"]
[Result "1-0"]
[ECO "E43"]
[EventDate "1961.08.12"]
[PlyCount "113"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nf3 Bb7 6.Bd3 O-O 7.Qc2 d6 8.Bd2 Nbd7
9.a3 Bxc3 10.Bxc3 h6 11.O-O Re8 12.e4 e5 13.d5 Nc5 14.b4 Nxd3 15.Qxd3 c6 
16.dxc6 Bxc6 17.Rfe1 Qc7 18.Rad1 Rad8 19.Nh4 Qb7 20.f3 b5 21.c5 d5 22.Nf5 
d4 23.Bd2 Re6 24.Nd6 Qb8 25.f4 Rexd6 26.cxd6 Qxd6 27.Rc1 Nd7 28.Rf1 Qg6 
29.f5 Qd6 30.g4 Nf6 31.Rce1 Nxg4 32.Qg3 Nf6 33.Bxh6 Nh5 34.Qg5 Qf6 35.Qxh5
Qxh6 36.Qxh6 gxh6 37.Kf2 d3 38.Rg1+ Kf8 39.Rg4 a5 40.Ke3 axb4 41.axb4 Rd4 
42.Rd1 Rxb4 43.f6 Rb2 44.Rxd3 Rxh2 45.Rd8+ Be8 46.Rg1 Rh3+ 47.Kd2 Rf3 48.
Rd6 Rh3 49.Ra1 Rh2+ 50.Kc3 b4+ 51.Kb3 Rh3+ 52.Kxb4 Rh4 53.Ra8 Rxe4+ 54.Kc5
Rd4 55.Rxd4 exd4 56.Kxd4 h5 57.Ke3 1-0

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Larusson, Gudmundur"]
[Black "Westerinen, Heikki"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1961.08.12"]
[PlyCount "45"]

1.e4 e6 2.d3 d5 3.Nd2 c5 4.g3 Nf6 5.Bg2 Be7 6.Ne2 Nc6 7.O-O O-O 8.f4 b6 9.
f5 Ng4 10.Nb1 Bf6 11.fxe6 fxe6 12.h3 Nge5 13.exd5 exd5 14.Nf4 d4 15.Qh5 g6
16.Bd5+ Kg7 17.Nxg6 Nxg6 18.Bxc6 Qd6 19.Bxa8 Qxg3+ 20.Bg2 Nh4 21.Rf2 Bxh3 
22.Bf4 Qg4 23.Bh6+ 1-0

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Minaya Molano, Juan"]
[Black "Gilden, Lawrence"]
[Result "0-1"]
[ECO "D14"]
[EventDate "1961.08.12"]
[PlyCount "91"]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 7.e3 Qb6 8.Qc1 
e6 9.Ne5 Be7 10.Nxc6 bxc6 11.Be2 O-O 12.O-O Rfc8 13.Na4 Qa5 14.Qd1 Nd7 15.
a3 Nb6 16.Nc3 c5 17.dxc5 Qxc5 18.Rc1 Qa5 19.Qb3 Bf6 20.Nb5 Rxc1 21.Rxc1 
Qd2 22.Qd1 Qxb2 23.Bd6 Rc8 24.Rxc8+ Nxc8 25.Bc5 a5 26.Nd4 Bg6 27.Nb5 h6 
28.Bf1 Ne7 29.Qe1 Nc6 30.Bb6 a4 31.Qd1 Qb3 32.Qc1 Bd3 33.Nd4 Nxd4 34.Bxd4 
Bxd4 35.exd4 Bxf1 36.Kxf1 Qd3+ 37.Ke1 Qxd4 38.Qe3 Qxe3+ 39.fxe3 e5 40.Kd2 
f5 41.Kc3 g5 42.Kb4 f4 43.exf4 gxf4 44.Kxa4 e4 45.Kb4 f3 46.gxf3 0-1

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Parma, Bruno"]
[Black "Rischette, Robert"]
[Result "1-0"]
[ECO "B32"]
[EventDate "1961.08.12"]
[PlyCount "71"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 e5 7.Nf5 d6 8.Ne3 Be7
9.Bd3 O-O 10.O-O Be6 11.Ncd5 Ne8 12.Nxe7+ Nxe7 13.Nd5 Nxd5 14.exd5 Bd7 15.
f4 f5 16.Be3 e4 17.Be2 Nf6 18.b4 b6 19.Qd4 Rb8 20.h3 Be8 21.Qd2 Bf7 22.a4 
Be8 23.Rfd1 Bf7 24.Bd4 Re8 25.Qc3 Rc8 26.Qe3 b5 27.axb5 axb5 28.Ra7 Rb8 
29.cxb5 Nxd5 30.Qg3 Nf6 31.Rc1 d5 32.Rcc7 Rf8 33.Bc5 d4 34.Bxf8 Qxf8 35.
Rxf7 Qxf7 36.Bc4 1-0

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Westerinen, Heikki"]
[Black "Diekstra, John"]
[Result "1-0"]
[ECO "C47"]
[EventDate "1961.08.12"]
[PlyCount "119"]

1.e4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.d4 exd4 5.Nd5 Bb4+ 6.Nxb4 Nxb4 7.e5 Qe7 8.
Qe2 Nfd5 9.Nxd4 d6 10.exd6 Qxe2+ 11.Bxe2 c5 12.a3 cxd4 13.axb4 Nxb4 14.Ra4
a5 15.Kd2 O-O 16.b3 Rd8 17.Ba3 Bd7 18.Rxa5 Rxa5 19.Bxb4 Rg5 20.g4 Re5 21.
Bd1 Rb5 22.Ba3 Ra8 23.Bb2 Bc6 24.Re1 Rd5 25.Re4 Ra2 26.d7 Ra8 27.Rxd4 
Rxd4+ 28.Bxd4 Rd8 29.c3 Rxd7 30.Be2 Rd5 31.Ke3 Kf8 32.b4 f6 33.c4 Rd8 34.
b5 Re8+ 35.Kd2 Be4 36.f3 Bb1 37.c5 Ba2 38.Bd3 Bd5 39.f4 Ra8 40.Bxh7 Ra2+ 
41.Kc3 Rxh2 42.Bf5 Rh3+ 43.Kb4 Rf3 44.c6 Rxf4 45.c7 Rxd4+ 46.Kc5 Rc4+ 47.
Kd6 Bf3 48.c8=Q+ Rxc8 49.Bxc8 g5 50.b6 Kf7 51.Kc7 Kg6 52.Bxb7 Bxb7 53.Kxb7
f5 54.gxf5+ Kxf5 55.Kc6 Kf4 56.b7 g4 57.b8=Q+ Kf3 58.Kd5 g3 59.Qb3+ Kf2 
60.Ke4 1-0

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Gilden, Lawrence"]
[Black "Parma, Bruno"]
[Result "0-1"]
[ECO "E51"]
[EventDate "1961.08.12"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 dxc4 7.Bxc4 Nc6 8.O-O 
Bd6 9.Nb5 Be7 10.Qe2 a6 11.Nc3 Bd6 12.Rd1 Qe8 13.Nd2 e5 14.d5 Ne7 15.Nde4 
Nxe4 16.Nxe4 Ng6 17.Qh5 f5 18.Ng5 h6 19.Ne6 Bxe6 20.dxe6 Kh7 21.g4 e4 22.
gxf5 Ne7 23.Qxe8 Raxe8 24.Rd4 Rxf5 25.Rxe4 Rd8 26.f4 g5 27.Bd3 Kg8 28.Bc2 
Rdf8 29.Bb3 Rd8 30.Kg2 Bc5 31.Kf3 Kh8 32.Bc2 gxf4 33.exf4 Rh5 34.Re2 Nc6 
35.Kg4 Rhd5 36.b3 Rg8+ 37.Kf3 Nd4+ 38.Ke4 Rd6 39.Bb2 Rxe6+ 40.Kd5 Rxe2 41.
Rc1 Rgg2 0-1

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Larusson, Gudmundur"]
[Black "Rischette, Robert"]
[Result "1-0"]
[ECO "B33"]
[EventDate "1961.08.12"]
[PlyCount "84"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Bxf6 gxf6 10.Na3 Be6 11.Nc4 Rg8 12.Ne3 Bh6 13.Ncd5 Rc8 14.Qh5 Bxe3 
15.Nxe3 Qa5+ 16.c3 Ne7 17.Bd3 Qb6 18.Qe2 Ng6 19.g3 Qc5 20.h4 Qc6 21.h5 Nf8
22.O-O Bh3 23.Rfd1 Be6 24.c4 Nd7 25.b4 Qc7 26.Rac1 Qb6 27.a3 Ke7 28.Kg2 h6
29.Rc2 a5 30.Rb2 a4 31.Kh2 Qa7 32.Rbd2 Rgd8 33.Rc1 Rg8 34.Rc3 b6 35.Qd1 b5
36.Be2 Qb6 37.c5 dxc5 38.Rxd7+ Ke8 39.Rd6 Qb8 40.Rxc5 Ke7 41.Rdc6 Rxc6 42.
Rxc6 Rd8 1-0

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Minaya Molano, Juan"]
[Black "Westerinen, Heikki"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1961.08.12"]
[PlyCount "60"]

1.d4 d5 2.Nf3 Nf6 3.g3 c5 4.dxc5 Nc6 5.c4 Qa5+ 6.Bd2 Qxc5 7.cxd5 Ng4 8.e3 
Qxd5 9.Bg2 Qd3 10.Nc3 g6 11.Qe2 Qxe2+ 12.Nxe2 Bg7 13.Nfd4 Bd7 14.Nxc6 Bxc6
15.Bxc6+ bxc6 16.Bc3 Bxc3+ 17.Nxc3 O-O-O 18.Ke2 Rd7 19.h3 Ne5 20.Rhd1 Rhd8
21.Rxd7 Nxd7 22.Ne4 h6 23.Rc1 Kc7 24.Rc3 Rb8 25.b3 Rb5 26.f4 f5 27.Nd2 Nf6
28.Rc2 e5 29.Nf3 Nd7 30.Nh4 Nf8 1/2-1/2

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Parma, Bruno"]
[Black "Larusson, Gudmundur"]
[Result "1-0"]
[ECO "B98"]
[EventDate "1961.08.12"]
[PlyCount "67"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 h6 
9.Bh4 g5 10.fxg5 Nfd7 11.Nxe6 fxe6 12.Qh5+ Kf8 13.Bb5 Rh7 14.O-O+ Kg8 15.
g6 Rg7 16.Qxh6 Bxh4 17.Rf7 Rxf7 18.gxf7+ Kxf7 19.Qh7+ Ke8 20.Qh8+ Kf7 21.
Qh7+ Ke8 22.Qh5+ Kf8 23.Rf1+ Bf6 24.e5 dxe5 25.Bxd7 Nxd7 26.Ne4 Qe7 27.
Qh8+ Kf7 28.g4 Qf8 29.Qh5+ Kg8 30.Rxf6 Nxf6 31.Qg6+ Kh8 32.Nxf6 Qc5+ 33.
Kg2 Qxc2+ 34.Qxc2 1-0

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Rischette, Robert"]
[Black "Diekstra, John"]
[Result "1-0"]
[ECO "A17"]
[EventDate "1961.08.12"]
[PlyCount "86"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.e3 Be7 5.Be2 O-O 6.O-O c6 7.a3 a6 8.b4 dxc4 
9.Bxc4 b5 10.Bb3 Qc7 11.d4 Rd8 12.Qc2 Nbd7 13.Bb2 Bd6 14.Ne4 Nxe4 15.Qxe4 
Bb7 16.Qh4 Nf8 17.Bc2 Be7 18.Qh5 Bf6 19.e4 g6 20.Qh3 e5 21.dxe5 Bc8 22.Qg3
Bg7 23.Bb3 c5 24.Bd5 Rb8 25.Ng5 Be6 26.Rfd1 c4 27.Bc3 Re8 28.f4 h6 29.Nf3 
Kh7 30.Rd2 Rbd8 31.Rad1 Qb6+ 32.Kh1 Qc7 33.Qh4 Kg8 34.Qg3 Qe7 35.Nh4 Kh8 
36.f5 Bxd5 37.Rxd5 Rxd5 38.Rxd5 g5 39.Nf3 f6 40.e6 Nxe6 41.fxe6 Qxe6 42.
Nd2 Kg8 43.h3 h5 1-0

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Westerinen, Heikki"]
[Black "Gilden, Lawrence"]
[Result "1/2-1/2"]
[ECO "B47"]
[EventDate "1961.08.12"]
[PlyCount "119"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Be2 Qc7 6.O-O Nf6 7.Nc3 Nc6 8.Kh1 
Be7 9.f4 d6 10.Bf3 Bd7 11.Be3 O-O 12.Qe1 Rac8 13.Qg3 Kh8 14.Nxc6 Bxc6 15.
Bd4 b5 16.a3 Qb7 17.b4 Rfd8 18.Rae1 Ne8 19.Nb1 Bf6 20.c3 Bxd4 21.cxd4 Nf6 
22.Nd2 d5 23.e5 Ne4 24.Bxe4 dxe4 25.Nb3 Bd5 26.Nc5 Qa7 27.Qe3 a5 28.Ra1 
Ra8 29.bxa5 Qxa5 30.Nxe4 Bxe4 31.Qxe4 b4 32.f5 bxa3 33.fxe6 fxe6 34.Qg4 
Rf8 35.Rxf8+ Rxf8 36.Qxe6 Qb5 37.h3 Qb2 38.Ra2 Qxd4 39.Kh2 Qf4+ 40.Kh1 Qe3
41.Qd5 Rf1+ 42.Kh2 h5 43.e6 Qf4+ 44.g3 Rf2+ 45.Rxf2 Qxf2+ 46.Kh1 Qe1+ 47.
Kg2 Qe2+ 48.Kg1 a2 49.Qa8+ Kh7 50.e7 Qe1+ 51.Kh2 h4 52.gxh4 Qe5+ 53.Kg2 
Qe2+ 54.Kg3 Qe1+ 55.Kg2 Qd2+ 56.Kg3 Qd6+ 57.Kg2 Qd2+ 58.Kg3 Qc3+ 59.Kg2 
Qb2+ 60.Kg3 1/2-1/2

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Diekstra, John"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "E63"]
[EventDate "1961.08.12"]
[PlyCount "28"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.Nc3 Nc6 7.O-O a6 8.e4 e5 9.
dxe5 Nxe5 10.Nxe5 dxe5 11.Qxd8 Rxd8 12.Nd5 c6 13.Nb6 Rb8 14.Bg5 Be6 
1/2-1/2

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Gilden, Lawrence"]
[Black "Larusson, Gudmundur"]
[Result "1/2-1/2"]
[ECO "E59"]
[EventDate "1961.08.12"]
[PlyCount "158"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O Nc6 8.a3 Bxc3 
9.bxc3 dxc4 10.Bxc4 Qc7 11.Be2 Rd8 12.Qc2 e5 13.Bb2 Bg4 14.dxe5 Nxe5 15.c4
Nxf3+ 16.gxf3 Bh3 17.Rfe1 Qc6 18.Be5 Rd7 19.Kh1 Rad8 20.Rad1 Rxd1 21.Rxd1 
Rxd1+ 22.Qxd1 Qd7 23.Qc2 Qf5 24.Qxf5 Bxf5 25.Bb8 a6 26.a4 Nd7 27.Bd6 Bc2 
28.a5 f5 29.f4 Be4+ 30.f3 Bc2 31.Kg2 Kf7 32.Kf2 Ke6 33.Bc7 Nf6 34.Ke1 Ba4 
35.Bd3 Bc6 36.Kf2 g6 37.Kg3 Kd7 38.Bb6 Kd6 39.Kf2 Nh5 40.Ba7 Nf6 41.Bb6 
Nh5 42.h4 Nf6 43.Ba7 h5 44.Bb6 Nd7 45.Bd8 Ke6 46.Bc7 Nf6 47.Be2 Nd7 48.Ke1
Nf6 49.Kd2 Nd7 50.Kc3 Nf6 51.Bd1 Nd7 52.Kd3 Nf6 53.Be2 Nd7 54.Bd8 Nf6 55.
Bd1 Nd7 56.Bc7 Nf6 57.Be5 Nd7 58.Bc3 Nf6 59.Bb2 Nd7 60.Ba3 Kf6 61.e4 Ke6 
62.Ke3 Kf6 63.Bc2 Ke6 64.Bd3 Kf6 65.Bb2+ Ke6 66.Bc2 Nf6 67.Bc3 Nd7 68.Bg7 
Nf6 69.Bf8 Nd7 70.Bh6 Kf6 71.Bg5+ Ke6 72.Bd8 Nf6 73.Bd1 Nd7 74.Bc7 Nf6 75.
Be5 Nd7 76.Bc7 Nf6 77.Be5 Nd7 78.Bg7 Nf6 79.Bc2 Nd7 1/2-1/2

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Rischette, Robert"]
[Black "Minaya Molano, Juan"]
[Result "0-1"]
[ECO "E61"]
[EventDate "1961.08.12"]
[PlyCount "88"]

1.c4 Nf6 2.Nc3 g6 3.Nf3 Bg7 4.d4 O-O 5.Bg5 d6 6.e3 a6 7.Be2 c6 8.O-O b5 9.
Rc1 b4 10.Nb1 Nbd7 11.Nbd2 Qa5 12.Nb3 Qc7 13.Qc2 e5 14.c5 d5 15.Nxe5 Nxe5 
16.dxe5 Ne4 17.Bf4 g5 18.Bg3 Nxg3 19.hxg3 Bxe5 20.Bd3 f5 21.Nd4 Bxd4 22.
exd4 Qg7 23.Qd2 Qxd4 24.Qxg5+ Qg7 25.Qxg7+ Kxg7 26.Rfe1 Kg6 27.Re2 h6 28.
Rce1 Bd7 29.Kf1 a5 30.Re7 Rf7 31.Rxf7 Kxf7 32.Re5 Kf6 33.f4 Be6 34.Re1 a4 
35.Rb1 d4 36.a3 Rb8 37.Ke2 Ba2 38.Ra1 Bd5 39.Rb1 Bxg2 40.Bc2 Be4 41.Rc1 
bxa3 42.bxa3 Rb2 43.Kd1 d3 44.Bxa4 Bf3+ 0-1

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Larusson, Gudmundur"]
[Black "Diekstra, John"]
[Result "1/2-1/2"]
[ECO "B02"]
[EventDate "1961.08.12"]
[PlyCount "22"]

1.e4 Nf6 2.d3 Nc6 3.f4 d6 4.Nf3 e5 5.Be2 Be7 6.O-O h6 7.Qe1 Bg4 8.Qg3 Qd7 
9.h3 exf4 10.Bxf4 Bh5 11.Qh2 Bxf3 1/2-1/2

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Parma, Bruno"]
[Black "Minaya Molano, Juan"]
[Result "1/2-1/2"]
[ECO "B88"]
[EventDate "1961.08.12"]
[PlyCount "141"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6 7.Bb3 a6 8.Be3 
Qc7 9.O-O Be7 10.f4 b5 11.f5 Nxd4 12.Qxd4 O-O 13.a4 b4 14.Qxb4 d5 15.Qb6 
Qxb6 16.Bxb6 dxe4 17.fxe6 Bxe6 18.Bxe6 fxe6 19.Rad1 Rab8 20.a5 Rfc8 21.
Rfe1 Bc5+ 22.Bxc5 Rxc5 23.Rd6 Rxa5 24.Nxe4 Nxe4 25.Rxe4 Rxb2 26.Rc4 Ra1+ 
27.Kf2 Raa2 28.Rd2 Rb7 29.Rd6 Kf7 30.Rdc6 a5 31.Rf4+ Ke7 32.Re4 Kd7 33.
Rexe6 Rxc2+ 34.Rxc2 Kxe6 35.Rc6+ Kf7 36.Ra6 Rb2+ 37.Kf3 Ra2 38.h4 h5 39.g3
Ra1 40.Kf4 Ra3 41.Ra7+ Kg6 42.Ra6+ Kh7 43.Ra7 Kh6 44.Ra6+ g6 45.Ra7 Ra1 
46.Kf3 Rf1+ 47.Kg2 Rf5 48.Kh3 Rd5 49.Kg2 Rc5 50.Kh3 Rb5 51.Kg2 Rb2+ 52.Kg1
Rb3 53.Kg2 Rb5 54.Kh3 Rd5 55.Kg2 g5 56.Ra6+ Kg7 57.hxg5 Rxg5 58.Kh3 Kf7 
59.Kh4 Rb5 60.g4 hxg4 61.Kxg4 Ke7 62.Kf4 Kd7 63.Ke4 Kc7 64.Kd4 Kb7 65.Rh6 
Rb1 66.Kc4 Rb4+ 67.Kc5 Rg4 68.Rh7+ Ka6 69.Rh6+ Kb7 70.Rh7+ Ka6 71.Rh6+ 
1/2-1/2

[Event "6th World U20 ch prel. group 3"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Rischette, Robert"]
[Black "Westerinen, Heikki"]
[Result "0-1"]
[ECO "E92"]
[EventDate "1961.08.12"]
[PlyCount "56"]

1.c4 Nf6 2.d4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e4 d6 6.Be2 e5 7.Bg5 Nbd7 8.dxe5 
dxe5 9.O-O h6 10.Bh4 c6 11.Qc2 Qc7 12.b4 Nh5 13.Rad1 g5 14.Bg3 a5 15.a3 
Nf4 16.Bxf4 exf4 17.h3 axb4 18.axb4 Qb6 19.Rb1 Ra3 20.Rb3 Rxb3 21.Qxb3 Nc5
22.Na4 Nxa4 23.Qxa4 Re8 24.c5 Qc7 25.Qc2 Qe7 26.Bd3 Be6 27.Nd2 Rd8 28.f3 
Qd7 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Calvo Minguez, Ricardo"]
[Black "Keogh, Eamon"]
[Result "1-0"]
[ECO "C70"]
[EventDate "1961.08.12"]
[PlyCount "87"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Na5 6.d4 Nxb3 7.axb3 d6 8.dxe5 
Bg4 9.exd6 Bxd6 10.O-O Ne7 11.Be3 O-O 12.h3 Bxf3 13.Qxf3 Ng6 14.Nc3 Qe7 
15.Qf5 Rfe8 16.Rae1 b4 17.Na4 Qxe4 18.Qxe4 Rxe4 19.Bc5 Rae8 20.Rxe4 Rxe4 
21.Bxd6 cxd6 22.Rd1 Re6 23.Nb6 h6 24.Nc4 d5 25.Ne3 Nf4 26.Kf1 Rc6 27.Rd4 
Ne6 28.Rxd5 Kf8 29.Ke1 Ke7 30.Kd2 g6 31.Ra5 Rd6+ 32.Nd5+ Kd7 33.Ke3 f5 34.
Nxb4 Nd4 35.c3 Nxb3 36.Rxa6 Re6+ 37.Rxe6 Kxe6 38.Nc6 Nc5 39.b3 g5 40.g3 
Nxb3 41.Nd4+ Nxd4 42.Kxd4 h5 43.f3 g4 44.fxg4 1-0

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Vinje Gulbrandsen, Arne"]
[Black "Kuindzhi, Alexander"]
[Result "0-1"]
[ECO "D31"]
[EventDate "1961.08.12"]
[PlyCount "80"]

1.d4 d5 2.c4 c6 3.Nf3 e6 4.Nc3 dxc4 5.a4 Bb4 6.e3 b5 7.Ne5 Nf6 8.Bd2 a5 9.
axb5 Bxc3 10.Bxc3 cxb5 11.b3 Bb7 12.bxc4 b4 13.Qa4+ Nbd7 14.c5 bxc3 15.c6 
Bxc6 16.Nxc6 Qc7 17.Bb5 O-O 18.O-O Nb6 19.Qb3 Nbd5 20.Rfe1 Ne4 21.f3 Nd6 
22.Ba4 Ra6 23.e4 Nb4 24.d5 Qb6+ 25.Kh1 Qc5 26.Rec1 Nd3 27.h3 Nxc1 28.Rxc1 
Rb6 29.Qxc3 Qxc3 30.Rxc3 Rb1+ 31.Kh2 Ra1 32.e5 Nc8 33.Bb5 exd5 34.Rc5 Nb6 
35.Ne7+ Kh8 36.Rc6 Nc4 37.Nxd5 Nxe5 38.Ra6 h6 39.Nb6 Ra2 40.Kg3 Rb8 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Markus, Marcel"]
[Black "Wostyn, Hendrik"]
[Result "1-0"]
[ECO "B72"]
[EventDate "1961.08.12"]
[PlyCount "55"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.Be3 O-O 8.g4 
Nc6 9.Nxc6 bxc6 10.g5 Nd7 11.h4 Qa5 12.Bd2 Qc7 13.h5 Rb8 14.hxg6 hxg6 15.
f4 Rxb2 16.Bc4 Rb8 17.Qe2 Nb6 18.Qh2 Re8 19.Qh7+ Kf8 20.Bxf7 Kxf7 21.f5 
Rh8 22.Qxg6+ Kf8 23.Rxh8+ Bxh8 24.O-O-O e6 25.fxe6 Bg7 26.Rf1+ Kg8 27.Rf7 
Qxf7 28.exf7+ 1-0

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.12"]
[Round "1"]
[White "Phillips, James Rodney"]
[Black "Kuttner, Uwe"]
[Result "1/2-1/2"]
[ECO "E77"]
[EventDate "1961.08.12"]
[PlyCount "51"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.f4 c5 7.d5 e6 8.Nf3 exd5 9.
exd5 Re8 10.O-O Ng4 11.Re1 Ne3 12.Bxe3 Rxe3 13.Qd2 Re8 14.Bd3 Rxe1+ 15.
Rxe1 Nd7 16.Ng5 Nf6 17.Qe2 h6 18.Nf3 a6 19.f5 g5 20.h3 Bd7 21.Nh2 Rb8 22.
a4 Qf8 23.Qf3 Re8 24.Rd1 Qe7 25.Nf1 Bc8 26.Rd2 1/2-1/2

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Vinje Gulbrandsen, Arne"]
[Black "Calvo Minguez, Ricardo"]
[Result "0-1"]
[ECO "B42"]
[EventDate "1961.08.12"]
[PlyCount "82"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nc6 6.Nxc6 dxc6 7.O-O Qc7 8.f4 
Nf6 9.Be3 e5 10.f5 b5 11.Nd2 Bb7 12.c4 Rd8 13.Qe2 Qd7 14.Bc2 c5 15.Rad1 
Bd6 16.Nb3 Qc8 17.Rd2 Bxe4 18.Rxd6 Rxd6 19.Bxe4 Nxe4 20.Bxc5 Rc6 21.Qxe4 
Rxc5 22.Nxc5 Qxc5+ 23.Kh1 O-O 24.cxb5 Qxb5 25.Rf2 Rd8 26.h3 Qd5 27.Qxd5 
Rxd5 28.Rc2 Kf8 29.Kg1 Ke7 30.Kf2 Kf6 31.g4 e4 32.Rc6+ Ke5 33.Rxa6 Rd2+ 
34.Ke3 Rd3+ 35.Ke2 Rxh3 36.Ra3 Rxa3 37.bxa3 h5 38.gxh5 Kxf5 39.Ke3 Ke5 40.
a4 f5 41.a5 f4+ 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Keogh, Eamon"]
[Black "Markus, Marcel"]
[Result "1-0"]
[ECO "B03"]
[EventDate "1961.08.12"]
[PlyCount "49"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.d4 d6 5.f4 dxe5 6.fxe5 Bf5 7.Nc3 Nc6 8.Be3 e6
9.Nf3 Be7 10.Be2 O-O 11.O-O f6 12.exf6 Bxf6 13.Qd2 Qe7 14.Bd3 Bxd3 15.Qxd3
Rad8 16.Rad1 e5 17.d5 Nb4 18.Qe4 Nc8 19.c5 Na6 20.Qc4 Kh8 21.Ne4 Nb8 22.
Nfg5 Rd7 23.Ne6 Re8 24.Bg5 b5 25.Qb3 1-0

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Kuindzhi, Alexander"]
[Black "Kuttner, Uwe"]
[Result "1-0"]
[ECO "E62"]
[EventDate "1961.08.12"]
[PlyCount "77"]

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.Nc3 O-O 5.g3 d6 6.Bg2 c6 7.O-O a5 8.b3 Na6 9.
Bb2 Nc7 10.e4 Nd7 11.Qd2 Re8 12.Rad1 e5 13.Ba3 Qf6 14.d5 c5 15.Bb2 Qd8 16.
Qc2 Rf8 17.Bc1 h6 18.Nh4 Kh7 19.Kh1 Bf6 20.Nf3 Nb6 21.Ng1 a4 22.f4 axb3 
23.axb3 Nd7 24.Nf3 Rb8 25.Qd2 Bg7 26.fxe5 dxe5 27.Rf2 b6 28.Rdf1 Ba6 29.
Bh3 Qe8 30.Kg1 b5 31.d6 Ne6 32.Nd5 Bc8 33.cxb5 Nb6 34.Nxe5 Nxd5 35.d7 Bxd7
36.exd5 Qd8 37.dxe6 fxe6 38.Rxf8 Bxf8 39.Rf7+ 1-0

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.13"]
[Round "2"]
[White "Wostyn, Hendrik"]
[Black "Phillips, James Rodney"]
[Result "0-1"]
[ECO "C78"]
[EventDate "1961.08.12"]
[PlyCount "52"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6 7.c3 Na5 8.Bc2 c5 
9.Re1 Qc7 10.h3 g6 11.d4 Bg7 12.Nbd2 O-O 13.Nf1 cxd4 14.cxd4 Nc6 15.Be3 
Re8 16.d5 Nb4 17.Bb1 a5 18.a3 Na6 19.b4 Bd7 20.Qd2 axb4 21.axb4 Qc4 22.Bd3
Qxb4 23.Qe2 Nxe4 24.Bb6 Nc3 25.Qc2 e4 26.Ba5 exd3 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Calvo Minguez, Ricardo"]
[Black "Kuindzhi, Alexander"]
[Result "1/2-1/2"]
[ECO "B56"]
[EventDate "1961.08.12"]
[PlyCount "84"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nbd7 6.Bg5 g6 7.Bc4 Bg7 8.Qd2 
a6 9.O-O-O O-O 10.f4 Qc7 11.Bb3 Nb6 12.f5 Bd7 13.Kb1 Rac8 14.h4 gxf5 15.
exf5 Nc4 16.Qd3 Qc5 17.Bxf6 Bxf6 18.Ne4 Qd5 19.Nxf6+ exf6 20.g4 Bb5 21.
Nxb5 Qxb5 22.g5 Kh8 23.Qd4 Ne5 24.Qxd6 Qc6 25.gxf6 Qxd6 26.Rxd6 Rc5 27.Rd5
b6 28.Rhd1 Rxd5 29.Rxd5 Re8 30.a3 b5 31.Rd6 a5 32.a4 bxa4 33.Bxa4 Rb8 34.
Rd5 Nc4 35.Bb3 Na3+ 36.bxa3 a4 37.Kb2 h5 38.Rd6 Rb5 39.Rd8+ Kh7 40.Rf8 
axb3 41.Rxf7+ Kh6 42.cxb3 Rxb3+ 1/2-1/2

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Kuttner, Uwe"]
[Black "Wostyn, Hendrik"]
[Result "1/2-1/2"]
[ECO "E46"]
[EventDate "1961.08.12"]
[PlyCount "59"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 d5 6.a3 Bd6 7.c5 Be7 8.Nf4 b6 9.
b4 a5 10.Bb2 axb4 11.axb4 Rxa1 12.Qxa1 bxc5 13.bxc5 Nc6 14.Be2 Bd7 15.O-O 
Qa8 16.Rb1 Rb8 17.Qxa8 Rxa8 18.Nb5 Ne8 19.f3 f6 20.e4 dxe4 21.fxe4 e5 22.
Nd5 Bf8 23.Nbxc7 Nxc7 24.Nxc7 Rd8 25.Bc4+ Kh8 26.Ne6 Bxe6 27.Bxe6 Rb8 28.
Bd5 Nxd4 29.Ra1 Rxb2 30.Ra8 1/2-1/2

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Markus, Marcel"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "0-1"]
[ECO "C04"]
[EventDate "1961.08.12"]
[PlyCount "142"]

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.Bb5 f6 7.exf6 Qxf6 8.c3 a6
9.Ba4 b5 10.Bc2 e5 11.O-O Bd6 12.Bb3 Nb6 13.dxe5 Bxe5 14.Nxe5 Nxe5 15.f4 
Nec4 16.Re1+ Kf7 17.Nf3 Bg4 18.Qd3 Bxf3 19.Qxf3 Rhe8 20.Rxe8 Rxe8 21.Bc2 
Qh4 22.g3 Qh3 23.Qf1 Qh5 24.Bd3 Nd7 25.b3 Nd6 26.Ba3 Ne4 27.Be2 Qh6 28.Rc1
Qb6+ 29.Kg2 Qa5 30.Bb4 Qxa2 31.Ra1 Qd2 32.Rd1 Qc2 33.Rc1 Qxb3 34.Rb1 Qc2 
35.Rc1 Qd2 36.Rd1 Qc2 37.Rc1 Qd2 38.Rd1 Qe3 39.Rd3 Qb6 40.Rxd5 Ndf6 41.Re5
c5 42.Ba3 Qd6 43.c4 b4 44.Bb2 Qd2 45.Bc1 Qc2 46.Kg1 b3 47.Rxe8 Kxe8 48.Bd3
Qc3 49.Be3 Ng4 50.Qe2 Qa1+ 51.Kg2 Qd1 52.Bc1 Qxe2+ 53.Bxe2 Ngf6 54.Bb2 a5 
55.Kf3 Kd7 56.g4 h6 57.Bd3 Nd6 58.g5 hxg5 59.fxg5 Nfe8 60.h4 Ke6 61.Kg4 a4
62.h5 Nf7 63.Kf4 Ke7 64.Ba3 Nc7 65.Bxc5+ Ke8 66.Bf5 b2 67.Ba3 Ne6+ 68.Ke3 
Ne5 69.Kf2 Nf4 70.Bc2 Kf7 71.h6 g6 {Time} 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.14"]
[Round "3"]
[White "Phillips, James Rodney"]
[Black "Keogh, Eamon"]
[Result "1-0"]
[ECO "A96"]
[EventDate "1961.08.12"]
[PlyCount "69"]

1.d4 f5 2.c4 Nf6 3.Nc3 e6 4.g3 Be7 5.Bg2 O-O 6.Nf3 d6 7.O-O Nbd7 8.Re1 e5 
9.dxe5 dxe5 10.e4 fxe4 11.Nxe4 Nxe4 12.Rxe4 Bd6 13.Bg5 Qe8 14.Bf4 Qf7 15.
Be3 Nf6 16.Rh4 Bg4 17.c5 Bxf3 18.Qxf3 e4 19.Qe2 Be5 20.Bxe4 Nxe4 21.Rxe4 
Qd5 22.Qc4 Qxc4 23.Rxc4 b6 24.Rb1 Rf5 25.Kf1 Re8 26.Re4 Kf7 27.Re1 bxc5 
28.Bxc5 Bd6 29.Rxe8 Rxc5 30.R8e4 Ra5 31.a3 h6 32.Rc1 Rh5 33.Kg2 Rd5 34.Ra4
Bc5 35.Ra5 1-0

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Calvo Minguez, Ricardo"]
[Black "Markus, Marcel"]
[Result "1-0"]
[ECO "C65"]
[EventDate "1961.08.12"]
[PlyCount "121"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Nf6 5.O-O O-O 6.d4 Bb6 7.Bg5 d6 8.Nbd2 
exd4 9.Bxc6 dxc3 10.Bxb7 Bxb7 11.bxc3 Re8 12.Qc2 h6 13.Bh4 Re6 14.Nd4 Re5 
15.Rae1 Rh5 16.Nf5 g5 17.Bg3 Qd7 18.Nc4 Bc5 19.e5 Ne4 20.Nce3 g4 21.Qe2 
Kh7 22.Qxg4 Rg5 23.Qh3 Rg6 24.Bf4 Qe6 25.Rb1 Bc6 26.Qh5 dxe5 27.Bxh6 Rxh6 
28.Nxh6 Qxh6 29.Qxf7+ Qg7 30.Qh5+ Kg8 31.Nf5 Qg5 32.Nh6+ Kh7 33.Qxg5 Nxg5 
34.Ng4 Nf7 35.Rfe1 Bd6 36.c4 Kg6 37.c5 Bxc5 38.Rbc1 Bd7 39.Nxe5+ Nxe5 40.
Rxc5 Nd3 41.Rxc7 Nxe1 42.Rxd7 a5 43.Rd6+ Kg5 44.Rd2 a4 45.Kf1 Re8 46.f3 a3
47.Kf2 Re7 48.g4 Re8 49.Rd5+ Kg6 50.h4 Nc2 51.h5+ Kh6 52.Rd6+ Kh7 53.Ra6 
Rb8 54.g5 Rb2 55.Ra7+ Kg8 56.g6 Nb4+ 57.Kg3 Nxa2 58.h6 Rb8 59.Kg4 Nc3 60.
h7+ Kh8 61.Kg5 1-0

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Vinje Gulbrandsen, Arne"]
[Black "Phillips, James Rodney"]
[Result "1/2-1/2"]
[ECO "B45"]
[EventDate "1961.08.12"]
[PlyCount "80"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.
Nxc3 d5 9.exd5 Nxd5 10.Ne4 O-O 11.c4 Nf6 12.Qxd8 Rxd8 13.Nxf6+ gxf6 14.Be3
Ne5 15.Be2 Nd3+ 16.Bxd3 Rxd3 17.Ke2 Rd7 18.Rhd1 Kf8 19.Bc5+ Ke8 20.Bd6 b6 
21.b4 Ba6 22.b5 Bb7 23.f3 Rad8 24.Bg3 e5 25.Bf2 Rxd1 26.Rxd1 Rxd1 27.Kxd1 
Kd7 28.a4 f5 29.Kd2 f4 30.Kd3 f5 31.a5 Kc7 32.a6 Bc8 33.c5 Bd7 34.Kc4 Be6+
35.Kb4 Bd5 36.Be1 e4 37.Bd2 exf3 38.Bxf4+ Kc8 39.gxf3 Bxf3 40.Be3 Kc7 
1/2-1/2

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Keogh, Eamon"]
[Black "Kuttner, Uwe"]
[Result "0-1"]
[ECO "B47"]
[EventDate "1961.08.12"]
[PlyCount "72"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be2 Nf6 7.O-O Nc6 8.Nb3 
b5 9.a3 Be7 10.f4 d6 11.Be3 O-O 12.Qe1 Rb8 13.g4 b4 14.g5 bxc3 15.gxf6 
Bxf6 16.bxc3 Ne7 17.Nd4 Bb7 18.Bd3 Rfc8 19.Bd2 Qc5 20.Qf2 Nc6 21.Nb3 Qxf2+
22.Rxf2 Rc7 23.Rb1 Bc8 24.Re1 Bh4 25.Ree2 Bxf2+ 26.Rxf2 e5 27.f5 g6 28.Bh6
Bb7 29.h4 Kh8 30.Rg2 Ne7 31.Rg3 Ng8 32.Bd2 gxf5 33.exf5 f6 34.Re3 d5 35.
Na5 e4 36.Nxb7 Rcxb7 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.15"]
[Round "4"]
[White "Kuindzhi, Alexander"]
[Black "Wostyn, Hendrik"]
[Result "1-0"]
[ECO "B77"]
[EventDate "1961.08.12"]
[PlyCount "127"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Bc4 
Nc6 9.Qd2 Nxd4 10.Bxd4 Be6 11.Bb3 Qa5 12.O-O-O Rfc8 13.Kb1 Rc6 14.Nd5 Qxd2
15.Rxd2 Bxd5 16.Bxd5 Nxd5 17.exd5 Rc4 18.Bxg7 Kxg7 19.Re1 Kf6 20.Rde2 Rac8
21.c3 R8c7 22.Re4 Rxe4 23.Rxe4 e6 24.dxe6 fxe6 25.Rf4+ Ke7 26.Ra4 a6 27.
Rh4 Kf6 28.Rf4+ Ke7 29.Rh4 Kf6 30.Kc2 e5 31.Rb4 h5 32.Rb6 Rd7 33.Kd3 Kf5 
34.Ke3 g5 35.h3 g4 36.hxg4+ hxg4 37.c4 gxf3 38.gxf3 Ke6 39.Ke4 Rf7 40.c5 
Rf4+ 41.Ke3 Kd5 42.cxd6 Rf7 43.a4 Kc5 44.a5 Kd5 45.b4 Rh7 46.Kd3 Rf7 47.
Kc2 Rh7 48.Kb3 Rf7 49.Ka4 Rh7 50.b5 axb5+ 51.Kxb5 Rd7 52.Ka4 Kc5 53.Rb1 
Kc6 54.Rc1+ Kd5 55.Kb5 Kxd6 56.Rd1+ Kc7 57.Rxd7+ Kxd7 58.Kc5 Ke6 59.Kb6 
Kf5 60.Kxb7 Kf4 61.a6 Kxf3 62.a7 e4 63.a8=Q e3 64.Qf8+ 1-0

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Kuttner, Uwe"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "0-1"]
[ECO "E45"]
[EventDate "1961.08.12"]
[PlyCount "117"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.Ng3 Bxc3+ 7.bxc3 d5 8.cxd5 
Bxf1 9.Kxf1 Qxd5 10.Qd3 O-O 11.e4 Qa5 12.h4 Qa6 13.Qxa6 Nxa6 14.Bg5 Nd7 
15.Ke2 f6 16.Bd2 c5 17.a4 Nab8 18.f3 f5 19.exf5 exf5 20.d5 c4 21.Nh5 Na6 
22.Nf4 Nf6 23.Be3 Rfd8 24.Rhd1 Nc7 25.d6 Nce8 26.a5 b5 27.Bc5 Rd7 28.a6 
Rc8 29.Bb4 Rc6 30.Nd5 Nxd6 31.Nxf6+ gxf6 32.Rd5 Kf7 33.Ke3 Ke6 34.Kd4 Nf7 
35.Rxd7 Kxd7 36.Ra5 Nd8 37.Rxb5 Ne6+ 38.Ke3 f4+ 39.Ke4 Rxa6 40.Rb7+ Nc7 
41.Bf8 Ra2 42.Bh6 Kc6 43.Rb4 Re2+ 44.Kf5 Re5+ 45.Kg4 Rc5 46.Bf8 h5+ 47.Kh3
a5 48.Ra4 Kb5 49.Rxa5+ Kxa5 50.Bxc5 Nd5 51.Bd4 Ka4 52.g4 fxg3 53.Kxg3 Kb3 
54.Kf2 f5 55.Be5 Nxc3 56.Ke3 Nd5+ 57.Kd4 Ne7 58.Bf6 Ng6 59.Bg5 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Markus, Marcel"]
[Black "Kuindzhi, Alexander"]
[Result "0-1"]
[ECO "C03"]
[EventDate "1961.08.12"]
[PlyCount "100"]

1.e4 e6 2.d4 d5 3.Nd2 Ne7 4.Qf3 Nd7 5.Bd3 g6 6.Nh3 Bg7 7.Ng5 O-O 8.e5 c5 
9.c3 Nc6 10.Nxh7 Kxh7 11.Qh3+ Kg8 12.Nf3 Re8 13.Qg3 cxd4 14.cxd4 Nxd4 15.
Nxd4 Nxe5 16.Be2 Nc4 17.Bxc4 dxc4 18.Ne2 Qa5+ 19.Bd2 Qe5 20.Qxe5 Bxe5 21.
Bc3 Bxc3+ 22.Nxc3 Bd7 23.Ne4 Red8 24.Nd6 Bc6 25.Nxc4 Bxg2 26.Rg1 Bd5 27.
Ne3 Rac8 28.Ke2 Bc4+ 29.Nxc4 Rxc4 30.Rac1 Rcd4 31.Rc2 R8d5 32.f3 Kg7 33.
Rg2 Kf6 34.b3 b6 35.Rg3 g5 36.Rb2 Rc5 37.Kf2 b5 38.Ke2 b4 39.Kf2 Rc3 40.
Ke2 Kg6 41.Ke1 e5 42.Re2 f6 43.Kf2 a6 44.Rg2 Rh4 45.Re3 Kf5 46.Rxc3 bxc3 
47.Ke3 Rh3 48.Rc2 g4 49.Rxc3 Rxf3+ 50.Kd2 Rf2+ 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Phillips, James Rodney"]
[Black "Calvo Minguez, Ricardo"]
[Result "1/2-1/2"]
[ECO "A43"]
[EventDate "1961.08.12"]
[PlyCount "74"]

1.d4 c5 2.d5 e6 3.c4 exd5 4.cxd5 d6 5.Nc3 g6 6.e4 Bg7 7.Bd3 Ne7 8.Nf3 O-O 
9.O-O a6 10.a4 Bg4 11.h3 Bxf3 12.Qxf3 Nd7 13.Qe2 Qc7 14.Bf4 Rae8 15.Qd2 
Ne5 16.Be2 f5 17.Rac1 Qb6 18.Be3 Qb4 19.Qc2 f4 20.Bd2 Qb6 21.Qd1 h5 22.b3 
Rf6 23.Bf3 Ref8 24.Rb1 a5 25.Nb5 Qd8 26.Bc3 R6f7 27.Bxe5 Bxe5 28.Na3 Nc8 
29.Nc4 Bd4 30.Qd2 Qh4 31.e5 g5 32.Qd3 g4 33.Qg6+ Rg7 34.Qe6+ Kh7 35.Be4+ 
Kh8 36.Qh6+ Kg8 37.Qe6+ Kh8 1/2-1/2

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.16"]
[Round "5"]
[White "Wostyn, Hendrik"]
[Black "Keogh, Eamon"]
[Result "0-1"]
[ECO "A82"]
[EventDate "1961.08.12"]
[PlyCount "105"]

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4 h6 5.g5 hxg5 6.Bxg5 d5 7.f3 Bf5 8.Bg2 Qd6
9.Qd2 Nbd7 10.O-O-O O-O-O 11.Nge2 Nb6 12.Bf4 Qc6 13.b3 e6 14.Kb2 Bb4 15.a3
Ba5 16.Qe3 Rd7 17.Be5 Rhd8 18.Bxf6 gxf6 19.fxe4 Bxc3+ 20.Nxc3 dxe4 21.Bxe4
Bxe4 22.Nxe4 e5 23.c3 Qb5 24.Qd3 Qc6 25.Nc5 Qxc5 26.dxc5 Rxd3 27.Rxd3 Rxd3
28.cxb6 axb6 29.h4 Rg3 30.h5 Rg2+ 31.Kc1 Kd7 32.h6 Rg8 33.Kd2 Ke6 34.Ke3 
Kf7 35.Ke4 Kg6 36.c4 Rh8 37.b4 Rxh6 38.Rg1+ Kf7 39.a4 Ke6 40.a5 Rh4+ 41.
Kd3 bxa5 42.bxa5 Rh3+ 43.Kd2 Ra3 44.Rb1 Rxa5 45.Rxb7 Kd6 46.Rb3 Kc5 47.Rf3
Ra2+ 48.Kd1 Kxc4 49.Rxf6 c5 50.Re6 Kd3 51.Rd6+ Ke4 52.Rc6 Kd5 53.Rc8 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Calvo Minguez, Ricardo"]
[Black "Kuttner, Uwe"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1961.08.12"]
[PlyCount "52"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nc6 6.Nxc6 dxc6 7.O-O e5 8.Nd2 
Qc7 9.a4 Nf6 10.Bc4 Be7 11.Qe2 O-O 12.Nb3 b6 13.f3 Bb7 14.Be3 Nd7 15.Rfd1 
Rfd8 16.Qf2 b5 17.Bf1 Re8 18.c4 b4 19.Nc5 Nxc5 20.Bxc5 Bxc5 21.Qxc5 a5 22.
Rd2 Rad8 23.Rad1 f6 24.Qe3 Rxd2 25.Qxd2 c5 26.Qd6 Re7 1/2-1/2

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Vinje Gulbrandsen, Arne"]
[Black "Wostyn, Hendrik"]
[Result "1-0"]
[ECO "E25"]
[EventDate "1961.08.12"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 Nxd5 8.dxc5
f5 9.c4 Qf6 10.Bd2 Ne7 11.Nh3 O-O 12.Nf4 Nbc6 13.e3 Rd8 14.Be2 e5 15.Nd5 
Qf7 16.Qb3 Rb8 17.Bc3 Be6 18.Rd1 Nxd5 19.cxd5 Rxd5 20.Rxd5 Bxd5 21.Qc2 Re8
22.O-O e4 23.f4 Rc8 24.Qb2 Nd8 25.Rd1 Rxc5 26.Bb4 Rc8 27.Qd4 Bc6 28.Bc4 
Ne6 29.Qe5 Re8 30.Rd8 Bd7 31.Rxd7 Qxd7 32.Bb5 Qd1+ 33.Kf2 Rd8 34.Qxe6+ Kh8
35.h3 a6 36.Bc4 b5 37.Be2 Qd5 38.Qxa6 Rb8 39.Qa7 Qb7 40.Qc5 Qd7 41.Qe5 {
Time} 1-0

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Kuindzhi, Alexander"]
[Black "Keogh, Eamon"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1961.08.12"]
[PlyCount "49"]

1.e4 e6 2.e5 c5 3.Nf3 Nc6 4.Bb5 Qc7 5.Qe2 Nge7 6.Na3 Ng6 7.Bxc6 Qxc6 8.d3 
d5 9.c3 Be7 10.Nc2 O-O 11.h4 h6 12.h5 Nh8 13.Bf4 f6 14.exf6 Bxf6 15.Be5 
Qb6 16.O-O-O Qd8 17.Ne3 Nf7 18.Ng4 Bxe5 19.Nfxe5 Qg5+ 20.Qe3 Nxe5 21.Nxe5 
Rxf2 22.Qxg5 hxg5 23.h6 gxh6 24.Rxh6 Rxg2 25.Rf1 1-0

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.18"]
[Round "6"]
[White "Markus, Marcel"]
[Black "Phillips, James Rodney"]
[Result "1/2-1/2"]
[ECO "B29"]
[EventDate "1961.08.12"]
[PlyCount "81"]

1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Bc4 Nb6 5.Be2 Nc6 6.c3 d5 7.d4 cxd4 8.cxd4 
Bf5 9.O-O e6 10.Nc3 Be7 11.Kh1 O-O 12.Ng1 f6 13.f4 Qd7 14.Nf3 Rac8 15.Bd3 
Bxd3 16.Qxd3 Nc4 17.a3 a6 18.b3 Nb6 19.Bd2 Rc7 20.Ne2 Qc8 21.g4 fxe5 22.
fxe5 Bd8 23.Kg2 Rcf7 24.Ng3 Qd7 25.h4 Nc8 26.Bg5 N8e7 27.h5 Nc8 28.Bd2 h6 
29.Be3 Na5 30.Rac1 Be7 31.Bd2 b6 32.a4 Qb7 33.Rb1 Kh8 34.Qg6 Qd7 35.g5 
hxg5 36.Nxg5 Bxg5 37.Bxg5 Rxf1 38.Nxf1 Qf7 39.Qxf7 Rxf7 40.Ng3 Rc7 41.Ne2 
1/2-1/2

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Keogh, Eamon"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "0-1"]
[ECO "E30"]
[EventDate "1961.08.12"]
[PlyCount "86"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.Bg5 h6 5.Bh4 c5 6.a3 Bxc3+ 7.bxc3 Qa5 8.Qd3 
Ne4 9.e3 Qxc3+ 10.Qxc3 Nxc3 11.Bd3 Na4 12.Ne2 d6 13.O-O Nc6 14.Rfb1 e5 15.
Be4 Nb6 16.dxc5 dxc5 17.Rd1 Ne7 18.Bd5 Nbxd5 19.cxd5 Nf5 20.Bg3 Nxg3 21.
Nxg3 O-O 22.e4 Bd7 23.Rdc1 Rfc8 24.Rab1 Rab8 25.Nf1 Kf8 26.Ne3 Ke7 27.f3 
g6 28.Kf2 b5 29.h3 f5 30.Ke2 f4 31.Ng4 Bxg4 32.hxg4 Kd6 33.Kd3 a5 34.Kc3 
c4 35.Rb2 Kc5 36.Rcb1 Rb6 37.Ra1 Rcb8 38.Rd1 b4+ 39.axb4+ axb4+ 40.Kc2 c3 
41.Rb3 Ra8 42.d6 Ra2+ 43.Kb1 c2+ 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Kuttner, Uwe"]
[Black "Markus, Marcel"]
[Result "1-0"]
[ECO "E54"]
[EventDate "1961.08.12"]
[PlyCount "53"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nf3 O-O 6.Bd3 d5 7.O-O cxd4 8.exd4 
dxc4 9.Bxc4 h6 10.Qe2 b6 11.Rd1 Bb7 12.Ne5 Qe7 13.a3 Bxc3 14.bxc3 Nd5 15.
Rd3 Nd7 16.Rg3 Nxe5 17.dxe5 Kh8 18.Bb3 f5 19.c4 Nc7 20.Rh3 Rf7 21.Bf4 Na6 
22.Bd1 Nc5 23.Qe3 Qc7 24.Be2 Rd8 25.Bxh6 Bxg2 26.Bxg7+ Kg8 27.Rh8+ 1-0

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Phillips, James Rodney"]
[Black "Kuindzhi, Alexander"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1961.08.12"]
[PlyCount "76"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qb6 7.Nf3 e6 8.Bc4 Nc6
9.Qe2 Be7 10.Bb3 O-O 11.Be3 Qc7 12.O-O b5 13.a3 Na5 14.Nd4 Nxb3 15.cxb3 
Bb7 16.Qf3 Rac8 17.g4 Qb8 18.Rae1 Rxc3 19.bxc3 Nxe4 20.Qh3 Nxc3 21.Rc1 Nd5
22.Nc6 Qe8 23.Nxe7+ Qxe7 24.Bd4 Ba8 25.Qg3 Re8 26.Rc2 f6 27.g5 fxg5 28.
fxg5 e5 29.Be3 Qb7 30.Bd2 Nf4 31.Bxf4 Qh1+ 32.Kf2 exf4 33.Qh3 Qe4 34.Rfc1 
f3 35.Rc8 Qe3+ 36.Kg3 f2+ 37.Kg4 Qxh3+ 38.Kxh3 f1=Q+ 0-1

[Event "6th World U20 ch prel. group 4"]
[Site "The Hague NED"]
[Date "1961.08.19"]
[Round "7"]
[White "Wostyn, Hendrik"]
[Black "Calvo Minguez, Ricardo"]
[Result "1/2-1/2"]
[ECO "C97"]
[EventDate "1961.08.12"]
[PlyCount "23"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 1/2-1/2

