[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.11"]
[Round "1"]
[White "Pirc, Vasja"]
[Black "Euwe, Machgielis"]
[Result "1/2-1/2"]
[ECO "D43"]
[EventDate "1950.11.11"]
[PlyCount "53"]

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 h6 5.Bxf6 Qxf6 6.Nc3 c6 7.e3 Nd7 8.Bd3 
dxc4 9.Bxc4 e5 10.O-O exd4 11.exd4 Be7 12.Re1 Nb6 13.Ne4 Qf4 14.g3 Qc7 15.
Bb3 O-O 16.Ne5 Nd5 17.Rc1 Be6 18.Nc5 Bxc5 19.dxc5 Rad8 20.Qf3 Qe7 21.h4 
Rfe8 22.a3 Nf6 23.Ng6 Qd7 24.Bxe6 Rxe6 25.Red1 Qe8 26.Rxd8 Qxd8 27.Nf4 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.11"]
[Round "1"]
[White "Reshevsky, Samuel Herman"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "B91"]
[EventDate "1950.11.11"]
[PlyCount "94"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Nf6 6.g3 Bg4 7.Qd3 Nc6 8.Nxc6 
bxc6 9.Bg2 e5 10.f4 Bd7 11.h3 Be7 12.g4 O-O 13.f5 d5 14.O-O d4 15.Ne2 c5 
16.a4 Qb6 17.Kh1 Kh8 18.g5 Ng8 19.c4 Rab8 20.Rf3 f6 21.h4 Be8 22.Rg3 Qb4 
23.b3 Bh5 24.Bd2 Qb7 25.Rg1 Rfd8 26.Bf3 Bxf3+ 27.Rxf3 Qc6 28.Ng3 Qe8 29.
Qe2 Rb7 30.Rd3 Rdb8 31.Qf3 Bd8 32.Kg2 Rc8 33.Kf2 Rc6 34.Nh5 Rd6 35.Qe2 
Rdd7 36.Kf1 Rd6 37.gxf6 Nxf6 38.Nxf6 Bxf6 39.h5 Bd8 40.Rdg3 h6 41.Rd3 Bf6 
42.Rg6 Kh7 43.Qf3 Qf7 44.Kg2 Qf8 45.Kh3 Rdb6 46.Rg3 Rd6 47.Rg6 Rdb6 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.11"]
[Round "1"]
[White "Kramer, Haije"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "B92"]
[EventDate "1950.11.11"]
[PlyCount "96"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be6 8.O-O 
Nbd7 9.f4 Qc7 10.f5 Bc4 11.Bg5 b5 12.Kh1 Be7 13.Bxf6 Nxf6 14.Bxc4 Qxc4 15.
Nd5 Nxd5 16.Qxd5 Qxd5 17.exd5 Rc8 18.c3 Kd7 19.a3 Bd8 20.g3 Bb6 21.Rfe1 g6
22.Rf1 Ke7 23.Rae1 Rc4 24.Rd1 Re4 25.f6+ Kd7 26.Rfe1 Rxe1+ 27.Rxe1 Rc8 28.
Kg2 a5 29.Rd1 Bd8 30.Nd2 Bxf6 31.Rf1 Ke7 32.Ne4 Bg7 33.Rxf7+ Kxf7 34.Nxd6+
Ke7 35.Nxc8+ Kd7 36.Na7 Kd6 37.Nxb5+ Kxd5 38.b3 Ke4 39.b4 axb4 40.cxb4 Kd3
41.Nc7 e4 42.Ne6 e3 43.Nf4+ Kd2 44.Kf3 g5 45.Ng2 e2 46.b5 Bd4 47.Kg4 Bg1 
48.h3 Bf2 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.11"]
[Round "1"]
[White "Tartacover, Xavier"]
[Black "Rossolimo, Nicolas"]
[Result "0-1"]
[ECO "E17"]
[EventDate "1950.11.11"]
[PlyCount "96"]

1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 e6 5.c4 Be7 6.Qc2 c5 7.dxc5 bxc5 8.Nc3 
Nc6 9.O-O d6 10.Rd1 a6 11.Bg5 Qc7 12.Rd2 h6 13.Bxf6 Bxf6 14.Rad1 Rd8 15.
Ne4 Be7 16.a3 O-O 17.Rd3 Nb4 18.axb4 Bxe4 19.Qa4 Bxd3 20.exd3 Rb8 21.bxc5 
dxc5 22.b3 Rfd8 23.Ne1 Bf6 24.Be4 Rb4 25.Qxa6 Rxb3 26.Nc2 Rb2 27.Ne3 Bd4 
28.Re1 Qd6 29.Qa5 Qb6 30.Qxb6 Rxb6 31.Nc2 Bc3 32.Rd1 f5 33.Bf3 Rb2 34.Ne3 
Bd4 35.Re1 Rd2 36.Be2 Rb8 37.Kf1 Kf7 38.h4 Rbb2 39.h5 Bxe3 40.fxe3 e5 41.
e4 Kf6 42.exf5 Kxf5 43.g4+ Kf4 44.Kf2 Rxd3 45.Kg1 Rg3+ 46.Kh1 Ke3 47.Bd1+ 
Kf2 48.Rxe5 Rh3# 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.11"]
[Round "1"]
[White "Gudmundsson, Gudmundur"]
[Black "Golombek, Harry"]
[Result "1/2-1/2"]
[ECO "A47"]
[EventDate "1950.11.11"]
[PlyCount "26"]

1.Nf3 Nf6 2.d4 b6 3.g3 Bb7 4.Bg2 c5 5.O-O cxd4 6.Qxd4 Nc6 7.Qa4 e6 8.Ne5 
Qc8 9.Nxc6 Bxc6 10.Bxc6 Qxc6 11.Qxc6 dxc6 12.Rd1 Rd8 13.Rxd8+ Kxd8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.11"]
[Round "1"]
[White "Pilnik, Herman"]
[Black "Foltys, Jan"]
[Result "1-0"]
[ECO "B91"]
[EventDate "1950.11.11"]
[PlyCount "82"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be7 8.Bg2 
Nbd7 9.O-O b5 10.a4 b4 11.Nd5 Nxd5 12.Qxd5 Rb8 13.Be3 O-O 14.a5 Qc7 15.Qd2
Nc5 16.Nc1 Bb7 17.f3 Rfd8 18.c4 Bc8 19.b3 Be6 20.Qc2 Rf8 21.Nd3 Rb7 22.f4 
f6 23.Rfd1 Bd7 24.Nf2 Rbb8 25.Bh3 Bc6 26.Bxc5 dxc5 27.Be6+ Kh8 28.f5 Rfd8 
29.Bd5 Be8 30.g4 g5 31.h4 h6 32.Rd3 Kg7 33.Rh3 Bc6 34.Nd1 Rh8 35.Bxc6 Qxc6
36.Ne3 Rbd8 37.Nd5 Qe8 38.Nc7 Qd7 39.Ne6+ Kg8 40.Rc1 Re8 41.hxg5 fxg5 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.11"]
[Round "1"]
[White "Stahlberg, Gideon"]
[Black "Kottnauer, Cenek"]
[Result "1-0"]
[ECO "D41"]
[EventDate "1950.11.11"]
[PlyCount "71"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 c5 4.g3 Nc6 5.Bg2 d5 6.cxd5 Nxd5 7.O-O Be7 8.d4 
O-O 9.Nxd5 exd5 10.dxc5 Bxc5 11.Qc2 Qe7 12.a3 Bg4 13.b4 Bd4 14.Bb2 Rac8 
15.Qd2 Bxf3 16.Bxf3 Qe5 17.Rab1 Bxb2 18.Rxb2 Nd4 19.Bg2 Nb5 20.Rb3 Nc3 21.
Bf3 Rc4 22.a4 Rfc8 23.a5 b6 24.axb6 axb6 25.Kg2 g6 26.h4 h5 27.Qh6 d4 28.
Qd2 Qe7 29.Ra1 Rxb4 30.Rxb4 Qxb4 31.Qf4 Qc4 32.Ra7 b5 33.Rd7 Nxe2 34.Qf6 
Nc3 35.Bd5 Nxd5 36.Qxf7+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.11"]
[Round "1"]
[White "Szabados, Eugenio"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "D49"]
[EventDate "1950.11.11"]
[PlyCount "88"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.e5 cxd4 11.Nxb5 Ng4 12.Qa4 Bb7 13.Nbxd4 Qb6 14.h3 Nxe5 15.Nxe5 
Qb4+ 16.Qxb4 Bxb4+ 17.Kf1 Nxe5 18.Be2 O-O 19.Be3 Rfc8 20.f3 Nc4 21.Bxc4 
Rxc4 22.Rc1 Rxc1+ 23.Bxc1 Rd8 24.Be3 e5 25.Nc2 Rd1+ 26.Ke2 Rxh1 27.Nxb4 
Rb1 28.b3 Rb2+ 29.Bd2 e4 30.fxe4 Bxe4 31.g3 a5 32.Na6 Rxa2 33.Nc5 Bc2 34.
Ke3 Bxb3 35.Nxb3 Ra3 36.Bxa5 Rxb3+ 37.Kf2 h5 38.h4 Kh7 39.Bc7 Kg6 40.Bd6 
Kf5 41.Bf4 Kg4 42.Be5 f6 43.Bd6 Rb2+ 44.Kg1 Kf3 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.11"]
[Round "1"]
[White "Trifunovic, Petar"]
[Black "Van den Berg, Carel"]
[Result "0-1"]
[ECO "D44"]
[EventDate "1950.11.11"]
[PlyCount "84"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c6 5.Bg5 dxc4 6.e4 b5 7.a4 Qb6 8.Bxf6 gxf6
9.Be2 Bb7 10.O-O a6 11.d5 cxd5 12.exd5 Nd7 13.axb5 axb5 14.Rxa8+ Bxa8 15.
dxe6 fxe6 16.Nd4 Bc5 17.Ndxb5 Ne5 18.Qa4 Ke7 19.Kh1 Bxf2 20.Qa3+ Bc5 21.
Na4 Bxa3 22.Nxb6 Bxb2 23.Bxc4 Be4 24.Re1 f5 25.Re2 Rd8 26.h3 Nxc4 27.Nxc4 
Rd1+ 28.Kh2 Bc1 29.Ne3 Rd3 30.Nf1 Bf4+ 31.g3 Bg5 32.h4 Bh6 33.Kg1 Kd7 34.
Ra2 Kc6 35.Na3 Rc3 36.Kf2 Kc5 37.Ke2 Kb4 38.Nb5 Kxb5 39.Ra7 f4 40.gxf4 
Bxf4 41.Re7 e5 42.Rd7 Bg2 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.11"]
[Round "1"]
[White "Van Scheltinga, Theodore"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[ECO "E56"]
[EventDate "1950.11.11"]
[PlyCount "110"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O Nc6 8.Ne2 cxd4
9.exd4 dxc4 10.Bxc4 a6 11.Bg5 h6 12.Bh4 b5 13.Bd3 Bb7 14.Rc1 Be7 15.Bb1 
Qb6 16.a3 Rfd8 17.Qd3 Rd7 18.Rfd1 Rad8 19.Bg3 Bd6 20.Bh4 Be7 21.Bg3 Bd6 
22.Bh4 g5 23.Nxg5 hxg5 24.Bxg5 Kg7 25.Ng3 Rh8 26.Qf3 Ng8 27.Nh5+ Kf8 28.
Be4 Nxd4 29.Rxd4 Rxh5 30.Be3 Bxh2+ 31.Kf1 Rxd4 32.Bxb7 Rc5 33.Rxc5 Qxc5 
34.Bxd4 Qxd4 35.g3 Qxb2 36.Kg2 Bxg3 37.Qxg3 a5 38.Qb8+ Kg7 39.Qg3+ Kf8 40.
Qb8+ Kg7 41.Qg3+ Kh7 42.Qd3+ f5 43.Bc8 Nh6 44.Qd7+ Qg7+ 45.Qxg7+ Kxg7 46.
Bxe6 Kf6 47.Bd7 b4 48.axb4 axb4 49.Kf3 Ke5 50.Ke3 f4+ 51.Kd3 Kd5 52.Ba4 
Ng4 53.Bb3+ Kc5 54.Ke4 Nxf2+ 55.Kxf4 Kd4 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.13"]
[Round "2"]
[White "Euwe, Machgielis"]
[Black "Stahlberg, Gideon"]
[Result "1/2-1/2"]
[ECO "D53"]
[EventDate "1950.11.11"]
[PlyCount "82"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 Nbd7 6.cxd5 Nxd5 7.Bxe7 Qxe7 8.
Nxd5 exd5 9.Ne2 O-O 10.Nf4 Nf6 11.Be2 b6 12.O-O Bb7 13.Bf3 Rfd8 14.Qa4 c5 
15.Qa3 Kf8 16.dxc5 bxc5 17.b3 a6 18.Rac1 Rac8 19.Nd3 c4 20.Qxe7+ Kxe7 21.
bxc4 Rxc4 22.Nc5 Rxc1 23.Rxc1 Rc8 24.Kf1 Nd7 25.Nb3 Rxc1+ 26.Nxc1 Kd6 27.
Nb3 Nc5 28.Nd4 Na4 29.Nf5+ Ke5 30.Nxg7 Nc3 31.Ke1 Nxa2 32.Kd2 a5 33.Bd1 d4
34.exd4+ Kxd4 35.Nf5+ Kc5 36.g4 Nb4 37.g5 Bd5 38.Ne3 Bc6 39.Bb3 Be8 40.Kc3
a4 41.Bc4 a3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.13"]
[Round "2"]
[White "Najdorf, Miguel"]
[Black "Gudmundsson, Gudmundur"]
[Result "1-0"]
[ECO "D45"]
[EventDate "1950.11.11"]
[PlyCount "59"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Qc2 Be7 7.b3 O-O 8.Bb2 b6 
9.Bd3 Bb7 10.Ne5 g6 11.f4 Ne8 12.O-O-O f6 13.Nxg6 hxg6 14.Bxg6 Bd6 15.f5 
e5 16.Qe2 Qe7 17.Qg4 Qg7 18.Ne2 exd4 19.exd4 Nc7 20.Kb1 Rfe8 21.Ng3 Re7 
22.Nh5 Qh8 23.Rhe1 Rxe1 24.Rxe1 Kf8 25.Bc1 Rd8 26.Bf4 Ne5 27.dxe5 Bxe5 28.
Nxf6 Bxf4 29.Nh7+ Kg8 30.Bf7+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.13"]
[Round "2"]
[White "O'Kelly de Galway, Alberic"]
[Black "Gligoric, Svetozar"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1950.11.11"]
[PlyCount "82"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7 7.O-O e5 8.b3 Re8 
9.Qc2 c6 10.Bb2 Nf8 11.d5 c5 12.e4 Ng4 13.Ne1 f5 14.Nd3 Nd7 15.Rae1 Ndf6 
16.f3 Nh6 17.f4 Nf7 18.exf5 Bxf5 19.Ne4 Nd7 20.Qd2 Qe7 21.Nef2 Rf8 22.Be4 
Rae8 23.Kh1 Kh8 24.Re2 a6 25.Rfe1 b5 26.fxe5 Nfxe5 27.Nxe5 Nxe5 28.Nd3 Bg4
29.Bxe5 Bxe5 30.Rf2 Bd4 31.Rxf8+ Rxf8 32.Bg2 Qf6 33.Qf4 Qxf4 34.Nxf4 bxc4 
35.bxc4 Rb8 36.Nd3 Bf5 37.Be4 Bd7 38.Kg2 Kg7 39.Bf3 Kf6 40.Nf2 Rb2 41.Re2 
Rxe2 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.13"]
[Round "2"]
[White "Rossolimo, Nicolas"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "B84"]
[EventDate "1950.11.11"]
[PlyCount "69"]

1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.Nc3 cxd4 5.Nxd4 a6 6.Be2 e6 7.O-O Qc7 8.f4 Bd7
9.Be3 Nc6 10.Qe1 b5 11.a3 Be7 12.Qg3 O-O 13.Rae1 Rfd8 14.Bd3 d5 15.exd5 
Nxd4 16.Bxd4 Bc5 17.Bxc5 Qxc5+ 18.Kh1 exd5 19.Re5 Bc6 20.Qh4 Qd6 21.Ne2 d4
22.Ng3 g6 23.Rg5 Nd5 24.Ne4 Qe7 25.f5 f6 26.Rg3 g5 27.Nxg5 Kh8 28.Qxd4 Rg8
29.Ne6 Rxg3 30.hxg3 Rg8 31.c4 Nc7 32.cxb5 Nxb5 33.Bxb5 axb5 34.Rc1 Rc8 35.
Rc3 {Black lost on time, but Prins gives the line 35...Bd7 36.Rxc8+ Bxc8 
37.g4 Bxe6 38.fxe6 Qxe6 39.g5 to illustrate that Black was lost anyway.} 
1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.13"]
[Round "2"]
[White "Donner, Jan"]
[Black "Reshevsky, Samuel Herman"]
[Result "0-1"]
[ECO "E33"]
[EventDate "1950.11.11"]
[PlyCount "58"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 6.a3 Bxc3+ 7.Qxc3 a5 8.b3 
O-O 9.Bb2 Re8 10.Rd1 Qe7 11.d5 Nb8 12.dxe6 fxe6 13.g3 b6 14.Bg2 Bb7 15.O-O
Nbd7 16.Ne1 Bxg2 17.Nxg2 Nc5 18.f3 Rab8 19.a4 d5 20.Qc2 Rbd8 21.Ba3 d4 22.
Ne1 e5 23.e4 dxe3 24.Nd3 e4 25.Nxc5 exf3 26.Rxf3 Rxd1+ 27.Qxd1 e2 28.Qe1 
bxc5 29.Bc1 Rd8 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.13"]
[Round "2"]
[White "Foltys, Jan"]
[Black "Pirc, Vasja"]
[Result "1/2-1/2"]
[ECO "A33"]
[EventDate "1950.11.11"]
[PlyCount "38"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 c5 4.d4 cxd4 5.Nxd4 Nc6 6.g3 Qb6 7.e3 d5 8.cxd5 
Nxd5 9.Bg2 Nxc3 10.bxc3 Be7 11.Nxc6 bxc6 12.Qd4 Qxd4 13.cxd4 Kd7 14.Bd2 
Ba6 15.Rc1 Rhc8 16.Bc3 Rab8 17.Kd2 Ba3 18.Rb1 Bc4 19.Be4 Bd5 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.13"]
[Round "2"]
[White "Golombek, Harry"]
[Black "Szabados, Eugenio"]
[Result "1/2-1/2"]
[ECO "E08"]
[EventDate "1950.11.11"]
[PlyCount "80"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 dxc4 8.Qxc4 
a6 9.Qc2 c5 10.Rd1 Qb6 11.Nc3 cxd4 12.Nxd4 Qa7 13.h3 Nb6 14.Be3 Bd8 15.Nb3
Bd7 16.Na5 Bc7 17.Bxb7 Rab8 18.Bc6 Rbd8 19.Na4 Qb8 20.Bxd7 Rxd7 21.Nc6 Qb7
22.Nxb6 Bxb6 23.Bxb6 Qxb6 24.Rxd7 Nxd7 25.Rd1 Nf6 26.e4 h6 27.Rd4 Kh8 28.
Rc4 Nh7 29.Ne5 Qa5 30.Qc3 Qxa2 31.Rc8 Qb1+ 32.Kh2 Qxe4 33.Nxf7+ Kg8 34.Ne5
Qf5 35.f4 Qe4 36.Qc4 Qxc4 37.Rxc4 Rd8 38.Rc6 Nf6 39.g4 Rd2+ 40.Kg3 Rxb2 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.13"]
[Round "2"]
[White "Kottnauer, Cenek"]
[Black "Trifunovic, Petar"]
[Result "0-1"]
[ECO "D41"]
[EventDate "1950.11.11"]
[PlyCount "40"]

1.c4 Nf6 2.Nf3 e6 3.d4 d5 4.Nc3 c5 5.cxd5 cxd4 6.Qa4+ Bd7 7.Qxd4 exd5 8.
Bg5 Nc6 9.Qd2 Be6 10.e3 Be7 11.Bb5 O-O 12.O-O Rc8 13.Rfd1 Qb6 14.Rac1 Rfd8
15.Nd4 Nxd4 16.exd4 Rxc3 17.Qxc3 Qxb5 18.Qc7 Re8 19.b3 h6 20.Bh4 Ba3 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.13"]
[Round "2"]
[White "Kramer, Haije"]
[Black "Tartacover, Xavier"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1950.11.11"]
[PlyCount "80"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7 7.O-O e5 8.b3 Re8 
9.Qc2 c6 10.Bb2 Qc7 11.e4 a5 12.Rad1 exd4 13.Nxd4 Nc5 14.Ba3 Bd7 15.h3 
Rad8 16.Nde2 Bc8 17.Kh2 Qe7 18.f3 h5 19.Bxc5 dxc5 20.f4 h4 21.e5 Nh5 22.g4
Nxf4 23.Rxf4 Rxd1 24.Qxd1 Bxe5 25.Kh1 Bxf4 26.Nxf4 Qe3 27.Nfe2 Kh7 28.Qg1 
f5 29.Qxe3 Rxe3 30.gxf5 Bxf5 31.Kg1 Bxh3 32.Kf2 Rd3 33.Be4 Rd6 34.Nf4 Bf5 
35.Bxf5 gxf5 36.Ke3 Rh6 37.Nh3 Rg6 38.Ne2 Kh6 39.Kf3 Rd6 40.Ke3 Rd1 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.13"]
[Round "2"]
[White "Van den Berg, Carel"]
[Black "Van Scheltinga, Theodore"]
[Result "1/2-1/2"]
[ECO "D45"]
[EventDate "1950.11.11"]
[PlyCount "72"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.e3 Nf6 5.Nf3 a6 6.Qc2 Nbd7 7.b3 Bd6 8.Be2 O-O 
9.O-O Qe7 10.Bb2 b5 11.e4 dxe4 12.Nxe4 Nxe4 13.Qxe4 Nf6 14.Qh4 bxc4 15.
bxc4 Ba3 16.Bc3 c5 17.dxc5 Bb7 18.Rab1 Ra7 19.Bd3 h6 20.c6 Bxc6 21.Ne5 Ba8
22.Ba1 Ne4 23.Qg4 Qg5 24.Qxg5 hxg5 25.Rfe1 Nc5 26.Bc2 f6 27.Ng4 Rb7 28.
Rxb7 Bxb7 29.Rd1 Kf7 30.f3 Ke7 31.Kf1 a5 32.Ne3 Rc8 33.Bc3 a4 34.Rb1 Ba6 
35.Bb4 Bxb4 36.Rxb4 f5 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.14"]
[Round "3"]
[White "Trifunovic, Petar"]
[Black "Euwe, Machgielis"]
[Result "1/2-1/2"]
[ECO "D69"]
[EventDate "1950.11.11"]
[PlyCount "42"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Bg5 Nbd7 5.e3 Be7 6.Nc3 O-O 7.Rc1 c6 8.Bd3 
dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 13.dxe5 Nxe5 14.Nxe5 
Qxe5 15.Qb3 Qc7 16.e4 Re8 17.Rd1 Be6 18.Rcd3 Bxc4 19.Qxc4 Rad8 20.g3 g6 
21.Rd4 Qe7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.14"]
[Round "3"]
[White "Szabados, Eugenio"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "D71"]
[EventDate "1950.11.11"]
[PlyCount "64"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nxc3 7.bxc3 c5 8.Nf3 
Nc6 9.Be3 O-O 10.O-O cxd4 11.cxd4 Qa5 12.Qc2 Be6 13.Rfd1 Rfd8 14.Bd2 Qh5 
15.Bc3 Rac8 16.Qb2 Rd7 17.Rac1 Rcd8 18.Rd2 Na5 19.Bxa5 Qxa5 20.e3 Bd5 21.
Rdc2 e6 22.Nd2 Bxg2 23.Kxg2 e5 24.Rc5 Qa6 25.Rc7 Rxc7 26.Rxc7 exd4 27.exd4
Bxd4 28.Qb3 Rf8 29.Qd5 Qb6 30.Rxb7 Qc5 31.Qxc5 Bxc5 32.Ne4 Bb6 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.14"]
[Round "3"]
[White "Tartacover, Xavier"]
[Black "O'Kelly de Galway, Alberic"]
[Result "0-1"]
[ECO "E17"]
[EventDate "1950.11.11"]
[PlyCount "80"]

1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 e6 5.O-O Be7 6.c4 O-O 7.Qd3 c5 8.dxc5 
bxc5 9.Nc3 Nc6 10.e4 d6 11.b3 Nd7 12.Bf4 Nde5 13.Qd2 Nxf3+ 14.Bxf3 Bf6 15.
Rac1 Bxc3 16.Rxc3 Nd4 17.Bg2 e5 18.Be3 Qa5 19.Re1 Qb4 20.Rd3 a5 21.Kf1 Qb6
22.f4 f6 23.f5 Ba6 24.Rc1 Rab8 25.Kf2 a4 26.Bxd4 cxd4 27.bxa4 Qb4 28.Qxb4 
Rxb4 29.Ra3 Rb2+ 30.Kg1 Rfb8 31.Bf1 Kf8 32.Rb3 R2xb3 33.axb3 Rxb3 34.c5 
Rc3 35.Rb1 Bxf1 36.cxd6 Ba6 37.Rb6 Bc8 38.a5 Ke8 39.a6 Kd7 40.Rb8 Ra3 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.14"]
[Round "3"]
[White "Gligoric, Svetozar"]
[Black "Golombek, Harry"]
[Result "1-0"]
[ECO "E38"]
[EventDate "1950.11.11"]
[PlyCount "108"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Qa5 6.Bd2 Qxc5 7.Rc1 Nc6 8.e3 
d5 9.cxd5 Nxd5 10.Nge2 Nxc3 11.Nxc3 Qh5 12.Be2 Qg6 13.O-O Qxc2 14.Rxc2 O-O
15.a3 Be7 16.Ne4 Rd8 17.Rd1 e5 18.Be1 Bf5 19.Rxd8+ Rxd8 20.Bf3 f6 21.g4 
Bg6 22.Rc1 Rd7 23.Nc5 Bxc5 24.Rxc5 e4 25.Be2 Ne5 26.Bc3 Nd3 27.Rc8+ Kf7 
28.Bd1 Nc5 29.Bc2 b6 30.Bb4 f5 31.h3 fxg4 32.hxg4 Ne6 33.Bb3 Kf6 34.Rc6 
Bf7 35.Kg2 g6 36.Kg3 h5 37.a4 Bg8 38.Bc3+ Ke7 39.Bc2 hxg4 40.Bxe4 Bf7 41.
Bb4+ Kf6 42.Kxg4 Rd1 43.Kg3 Be8 44.Rc4 Rg1+ 45.Kh2 Rd1 46.a5 Bd7 47.axb6 
axb6 48.Bf3 Ra1 49.Bc6 Bc8 50.Rc2 Ra7 51.Rd2 Rc7 52.Rd6 Kf5 53.f3 Ng5 54.
Kg3 Ne6 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.14"]
[Round "3"]
[White "Gudmundsson, Gudmundur"]
[Black "Donner, Jan"]
[Result "0-1"]
[ECO "A83"]
[EventDate "1950.11.11"]
[PlyCount "56"]

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 Nc6 5.d5 Ne5 6.Qd4 Nf7 7.Bxf6 exf6 8.
Nxe4 f5 9.Ng3 g6 10.h4 Bh6 11.d6 O-O 12.Bc4 Bg7 13.Qd3 Bxb2 14.Rb1 Qf6 15.
N1e2 Be5 16.dxc7 Bxc7 17.h5 Kg7 18.f4 d5 19.Bxd5 Bb6 20.c4 Nh6 21.hxg6 
hxg6 22.Qa3 Ng4 23.Rxb6 axb6 24.Qxa8 Qa1+ 25.Kd2 Qb2+ 26.Ke1 Re8 27.Be4 
Qb4+ 28.Kd1 fxe4 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.14"]
[Round "3"]
[White "Pilnik, Herman"]
[Black "Kramer, Haije"]
[Result "1-0"]
[ECO "C90"]
[EventDate "1950.11.11"]
[PlyCount "117"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.d3 d6 
9.c3 Na5 10.Bc2 c5 11.Nbd2 Nc6 12.Nf1 d5 13.exd5 Qxd5 14.Qe2 Bb7 15.Bg5 
Rfe8 16.Bh4 Rad8 17.Bb3 Qxd3 18.Qxd3 Rxd3 19.Nxe5 Nxe5 20.Rxe5 c4 21.Bc2 
Rdd8 22.Rae1 Kf8 23.Bxh7 Bd6 24.Rxe8+ Rxe8 25.Rxe8+ Nxe8 26.Bc2 Be5 27.Ne3
Nd6 28.f3 Ke8 29.Bf2 Bf4 30.Nd1 Bd5 31.Bd4 g6 32.g3 Bh6 33.Kf2 Kd7 34.Ne3 
Be6 35.f4 Ke7 36.Kf3 f5 37.g4 fxg4+ 38.Nxg4 Bxg4+ 39.Kxg4 Kf7 40.Be5 Bf8 
41.h4 Be7 42.a3 Nf5 43.Bxf5 gxf5+ 44.Kxf5 Bxh4 45.Ke4 Ke6 46.f5+ Kd7 47.
Kd5 Bg5 48.f6 Bh4 49.Kc5 Ke6 50.Bd4 Bg5 51.Kb6 Bc1 52.Kxa6 Bxb2 53.Kxb5 
Bxa3 54.Kxc4 Bc1 55.Kb4 Bb2 56.Kb3 Bc1 57.c4 Bh6 58.Kb4 Bg5 59.Kb5 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.14"]
[Round "3"]
[White "Pirc, Vasja"]
[Black "Rossolimo, Nicolas"]
[Result "1/2-1/2"]
[ECO "A47"]
[EventDate "1950.11.11"]
[PlyCount "79"]

1.Nf3 Nf6 2.d4 b6 3.e3 Bb7 4.Bd3 c5 5.O-O g6 6.c4 Bg7 7.d5 b5 8.Nc3 bxc4 
9.Bxc4 d6 10.e4 Nfd7 11.Be3 O-O 12.Qc1 Ba6 13.Bxa6 Nxa6 14.Bh6 Rb8 15.Bxg7
Kxg7 16.b3 Nc7 17.Re1 f6 18.Qd1 Nb5 19.Nxb5 Rxb5 20.Nd2 a5 21.f4 a4 22.Qg4
Nb6 23.Rac1 Rb4 24.Qh4 axb3 25.axb3 Rd4 26.Qf2 Qd7 27.Qe2 Ra8 28.Ra1 Qb7 
29.Nf3 Rb4 30.Qc2 Rxa1 31.Rxa1 Nc8 32.Nd2 Qb5 33.Re1 Nb6 34.Qc3 Rd4 35.Re3
Qb4 36.Qxb4 Rxb4 37.g3 Kf7 38.Rd3 h5 39.Kf2 Rb5 40.Nf3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.14"]
[Round "3"]
[White "Reshevsky, Samuel Herman"]
[Black "Van den Berg, Carel"]
[Result "1-0"]
[ECO "E46"]
[EventDate "1950.11.11"]
[PlyCount "55"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 d5 6.a3 Bxc3+ 7.Nxc3 b6 8.b4 c5 
9.dxc5 bxc5 10.cxd5 cxb4 11.axb4 exd5 12.Be2 Nc6 13.b5 Na5 14.Ba3 Re8 15.
O-O Bf5 16.Bc5 Ne4 17.Bb4 Nxc3 18.Bxc3 Nc4 19.Qd4 Qg5 20.Qxd5 Nxe3 21.fxe3
Qxe3+ 22.Kh1 Bg6 23.Bh5 Rad8 24.Bxg6 Rxd5 25.Bxf7+ Kh8 26.Bxe8 Qxe8 27.
Rxa7 Qc8 28.Rc7 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.14"]
[Round "3"]
[White "Stahlberg, Gideon"]
[Black "Foltys, Jan"]
[Result "1-0"]
[ECO "D22"]
[EventDate "1950.11.11"]
[PlyCount "85"]

1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.Qb3 Bxf3 7.gxf3 b5 8.Be2 
c5 9.dxc5 Nd7 10.c6 Nc5 11.Qc2 Rc8 12.Nd2 Qd5 13.O-O Nf6 14.f4 Qxc6 15.Nb3
Na4 16.Qxc6+ Rxc6 17.Nd4 Rb6 18.b3 Nc3 19.Bb2 Nxe2+ 20.Nxe2 Bd6 21.Rac1 
Kd7 22.Rfd1 Rc8 23.Rxc8 Kxc8 24.Bd4 Rc6 25.Bxf6 gxf6 26.Nd4 Rb6 27.Kg2 Kd7
28.Kf3 Ke7 29.Rg1 Bc5 30.Ne2 Rd6 31.Rg7 Rd2 32.Rxh7 Rxa2 33.Rh8 f5 34.h4 
Ra1 35.h5 Ba3 36.Kg2 Bb2 37.Ra8 Bg7 38.Rg8 Bf8 39.Nd4 Rc1 40.Rh8 Rc8 41.h6
Re8 42.h7 Bg7 43.Nc6+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.14"]
[Round "3"]
[White "Van Scheltinga, Theodore"]
[Black "Kottnauer, Cenek"]
[Result "1/2-1/2"]
[ECO "E69"]
[EventDate "1950.11.11"]
[PlyCount "70"]

1.d4 Nf6 2.c4 d6 3.Nc3 g6 4.Nf3 Bg7 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 
9.h3 exd4 10.Nxd4 Nb6 11.b3 d5 12.exd5 cxd5 13.Nxd5 Nbxd5 14.cxd5 Nxd5 15.
Bb2 Qa5 16.Qe1 Qxe1 17.Rfxe1 Nb4 18.Re2 Bd7 19.Rd2 Rab8 20.Rad1 Rfc8 21.
Ba3 a5 22.Bxb4 axb4 23.Nc2 Be6 24.Nxb4 Bc3 25.Nd5 Bxd2 26.Ne7+ Kf8 27.Nxc8
Ba5 28.Na7 Ra8 29.Nb5 Bb4 30.a3 Ra5 31.Nd4 Rxa3 32.Nxe6+ fxe6 33.Rd8+ Ke7 
34.Rb8 Rxb3 35.Rxb7+ Kf6 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.15"]
[Round "4"]
[White "Euwe, Machgielis"]
[Black "Van Scheltinga, Theodore"]
[Result "1-0"]
[ECO "E22"]
[EventDate "1950.11.11"]
[PlyCount "75"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 Nc6 5.Nf3 O-O 6.a3 Bxc3+ 7.Qxc3 a5 8.b3 
d6 9.Bb2 Re8 10.Rd1 Qe7 11.d5 Nb8 12.dxe6 fxe6 13.g3 b6 14.Bg2 Bb7 15.O-O 
Nbd7 16.b4 axb4 17.axb4 c5 18.bxc5 bxc5 19.e3 Be4 20.Nh4 Bxg2 21.Nxg2 Reb8
22.Qc2 Ne8 23.Ra1 Nb6 24.Nf4 e5 25.Nd5 Nxd5 26.cxd5 Rxa1 27.Bxa1 Qf7 28.f4
exf4 29.e4 f3 30.Qd3 Rb4 31.Rxf3 Qe7 32.Rf4 Nf6 33.Bxf6 gxf6 34.Qf3 Rd4 
35.Qg4+ Kh8 36.Qc8+ Kg7 37.Rg4+ Kh6 38.Qf5 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.15"]
[Round "4"]
[White "Najdorf, Miguel"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "D75"]
[EventDate "1950.11.11"]
[PlyCount "36"]

1.c4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 d5 5.cxd5 Nxd5 6.d4 c5 7.O-O O-O 8.dxc5 
Na6 9.Qa4 Nxc5 10.Qh4 e6 11.Bg5 f6 12.Bh6 Bxh6 13.Qxh6 Qe7 14.Nbd2 e5 15.
e4 Nb6 16.Qe3 Be6 17.Rfc1 Rfc8 18.Bf1 Ncd7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.15"]
[Round "4"]
[White "O'Kelly de Galway, Alberic"]
[Black "Golombek, Harry"]
[Result "1-0"]
[ECO "B04"]
[EventDate "1950.11.11"]
[PlyCount "81"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Ng5 f6 6.c4 Nb6 7.e6 fxg5 8.d5 Bg7 9.
a4 a5 10.h4 gxh4 11.Rxh4 Bxe6 12.dxe6 Nc6 13.Qg4 Qc8 14.Ra3 Nd4 15.Re3 
Nc2+ 16.Kd1 Nxe3+ 17.Bxe3 Kd8 18.Bd4 Bxd4 19.Qxd4 Re8 20.c5 Qxe6 21.cxb6 
Qb3+ 22.Kc1 Rc8 23.Nc3 Qxb6 24.Qxb6 cxb6 25.Rxh7 Rc5 26.Rg7 Rg5 27.Ne4 Re5
28.Bd3 Rf8 29.f3 d5 30.Nf2 g5 31.Nh3 Re1+ 32.Kd2 Ra1 33.Nxg5 Rf6 34.Bb5 
Rg1 35.Nh3 Rh1 36.Nf2 Rh2 37.Ke3 Rd6 38.Kd4 Rh4+ 39.g4 Rh2 40.Nd3 Rf6 41.
f4 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.15"]
[Round "4"]
[White "Rossolimo, Nicolas"]
[Black "Stahlberg, Gideon"]
[Result "1/2-1/2"]
[ECO "C07"]
[EventDate "1950.11.11"]
[PlyCount "38"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd8 7.O-O Nc6 8.Qe2
Be7 9.Nb3 Bf6 10.Rd1 Nge7 11.c3 a6 12.Be3 O-O 13.Nfxd4 Qc7 14.Nxc6 Nxc6 
15.Bc5 Be7 16.Qe3 Bxc5 17.Qxc5 Bd7 18.Qd6 Qxd6 19.Rxd6 Rad8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.15"]
[Round "4"]
[White "Donner, Jan"]
[Black "Szabados, Eugenio"]
[Result "0-1"]
[ECO "B91"]
[EventDate "1950.11.11"]
[PlyCount "92"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be6 8.Bg2 
Nbd7 9.h3 b5 10.f4 b4 11.Nd5 Bxd5 12.exd5 Be7 13.fxe5 Nxe5 14.Nd4 Rc8 15.
O-O O-O 16.Nf5 Qc7 17.Nxe7+ Qxe7 18.Bg5 Qa7+ 19.Kh1 Ne8 20.a3 f6 21.Bc1 
Qc5 22.axb4 Qxb4 23.Rf4 Qc5 24.Be4 g6 25.c3 f5 26.Bg2 Ng7 27.Kh2 a5 28.
Rfa4 Nh5 29.Qe2 Rfe8 30.Rxa5 Qb6 31.Ra6 Qc5 32.R1a5 Qc7 33.Qd1 Nc4 34.Rb5 
Qe7 35.Bf3 Ne3 36.Bxe3 Qxe3 37.Kg2 f4 38.g4 Ng3 39.Rb4 Ne4 40.Bxe4 Rxe4 
41.Rxe4 Qxe4+ 42.Qf3 Qe1 43.Rxd6 Rb8 44.b4 Ra8 45.Rd8+ Rxd8 46.Qxf4 Rf8 
0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.15"]
[Round "4"]
[White "Foltys, Jan"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "A53"]
[EventDate "1950.11.11"]
[PlyCount "51"]

1.c4 Nf6 2.Nf3 d6 3.d4 Bg4 4.Nc3 Nbd7 5.e3 e6 6.h3 Bh5 7.Be2 c6 8.O-O d5 
9.Nd2 Bxe2 10.Qxe2 Be7 11.e4 dxe4 12.Ndxe4 Nxe4 13.Nxe4 Nf6 14.Rd1 Nxe4 
15.Qxe4 O-O 16.Bf4 Bd6 17.Be5 Re8 18.Qf4 Bb8 19.Rd2 f6 20.Bxb8 Rxb8 21.Re1
Qd7 22.b3 Rbd8 23.Red1 Qf7 24.Qf3 Rd6 25.d5 exd5 26.cxd5 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.15"]
[Round "4"]
[White "Kottnauer, Cenek"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "E33"]
[EventDate "1950.11.11"]
[PlyCount "58"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 6.Bd2 O-O 7.a3 Bxc3 8.Bxc3 
Qe7 9.e3 e5 10.dxe5 dxe5 11.b4 Bg4 12.Be2 e4 13.Nd4 Ne5 14.O-O Bxe2 15.
Qxe2 Rfe8 16.Rad1 Rad8 17.c5 Nd5 18.Ba1 a5 19.Nf5 Qg5 20.Ng3 axb4 21.Nxe4 
Qh4 22.Rd4 Nc6 23.Nf6+ Qxf6 24.Rxd5 Qh4 25.g3 Qe4 26.Qb2 f6 27.Rxd8 Rxd8 
28.axb4 Kf8 29.Qb1 Qxb4 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.15"]
[Round "4"]
[White "Kramer, Haije"]
[Black "Pirc, Vasja"]
[Result "0-1"]
[ECO "E19"]
[EventDate "1950.11.11"]
[PlyCount "126"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 f5 10.b3 Bf6 11.Bb2 Qe8 12.Qd2 d6 13.Ne1 Bxg2 14.Nxg2 Nd7 15.
Rad1 g5 16.f4 Qg6 17.Qc2 Rae8 18.Rfe1 Bd8 19.e4 fxe4 20.Qxe4 Qxe4 21.Rxe4 
Nf6 22.Re2 g4 23.Rde1 Kf7 24.Ne3 h5 25.Nd1 c6 26.Nc3 d5 27.Ba3 Rg8 28.Bd6 
Nd7 29.f5 exf5 30.Rxe8 Rxe8 31.Rxe8 Kxe8 32.cxd5 cxd5 33.Nxd5 Bf6 34.Be5 
Bxe5 35.dxe5 Nxe5 36.Nf6+ Kf7 37.Nxh5 Nd3 38.Kf1 Nc1 39.Nf4 Nxa2 40.Nd3 
Nc3 41.Ke1 Ke6 42.Kd2 Nd5 43.Nf2 Ke5 44.Kd3 b5 45.h3 gxh3 46.Nxh3 a5 47.
Ng5 Nb4+ 48.Kc3 Nc6 49.Kd3 Kd5 50.Nh7 Kc5 51.Kc3 Nd4 52.g4 fxg4 53.Nf6 
Ne2+ 54.Kd2 Kb4 55.Kxe2 g3 56.Ne4 g2 57.Kf2 Kxb3 58.Nd6 b4 59.Nb7 a4 60.
Nc5+ Ka3 61.Kxg2 b3 62.Ne4 Kb2 63.Kf2 a3 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.15"]
[Round "4"]
[White "Tartacover, Xavier"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "D00"]
[EventDate "1950.11.11"]
[PlyCount "51"]

1.d4 Nf6 2.Nf3 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.h3 b6 7.Be2 Ba6 8.Ne5 Bxe2
9.Qxe2 Nfd7 10.O-O-O e6 11.g4 c5 12.h4 Nxe5 13.Bxe5 f6 14.Bxb8 Rxb8 15.h5 
Qd7 16.hxg6 hxg6 17.f4 Kf7 18.f5 Rh8 19.Rxh8 Rxh8 20.dxc5 exf5 21.Nxd5 Qe6
22.gxf5 Qxf5 23.Qc4 b5 24.Qxb5 Rd8 25.c6 Qc8 26.Qc5 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.15"]
[Round "4"]
[White "Van den Berg, Carel"]
[Black "Gudmundsson, Gudmundur"]
[Result "0-1"]
[ECO "D30"]
[EventDate "1950.11.11"]
[PlyCount "76"]

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nbd2 Nbd7 7.Bd3 c5 8.O-O b6
9.Rc1 Bb7 10.cxd5 Nxd5 11.Bxe7 Qxe7 12.Qa4 a6 13.Bb1 Rfc8 14.dxc5 Nxc5 15.
Qg4 h6 16.Nc4 Nf6 17.Qf4 Ncd7 18.e4 a5 19.e5 Nd5 20.Qe4 Nf8 21.Nd6 Rxc1 
22.Rxc1 Nc3 23.Qe3 Nxb1 24.Rxb1 Bd5 25.Rc1 Rd8 26.Nd4 Ng6 27.f4 Qh4 28.g3 
Qh3 29.Rc2 h5 30.Nc8 h4 31.Nd6 hxg3 32.Qxg3 Qh6 33.Rf2 Nh4 34.a3 f6 35.Kf1
fxe5 36.fxe5 Qc1+ 37.Ke2 Qxb2+ 38.Kf1 Qxd4 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.16"]
[Round "5"]
[White "Reshevsky, Samuel Herman"]
[Black "Euwe, Machgielis"]
[Result "1/2-1/2"]
[ECO "E39"]
[EventDate "1950.11.11"]
[PlyCount "77"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Nf3 Na6 7.Bd2 Nxc5 8.a3 
Bxc3 9.Bxc3 b6 10.Ng5 Re8 11.b4 h6 12.h4 hxg5 13.bxc5 gxh4 14.Rxh4 bxc5 
15.Qd3 d6 16.g4 Bb7 17.g5 Ne4 18.Rxe4 Bxe4 19.Qxe4 Qxg5 20.Qg2 Qh6 21.Qh3 
Qxh3 22.Bxh3 Rab8 23.Bg2 Kf8 24.Kd2 Ke7 25.f4 f6 26.Kc2 Rh8 27.Bf3 Rh4 28.
Rg1 Kf7 29.f5 Rxc4 30.fxe6+ Kxe6 31.e4 g5 32.Rh1 Rxc3+ 33.Kxc3 Ke5 34.Rf1 
Rf8 35.Bg2 f5 36.exf5 Rxf5 37.Re1+ Kf6 38.Kc4 Rf4+ 39.Kc3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.16"]
[Round "5"]
[White "Golombek, Harry"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E68"]
[EventDate "1950.11.11"]
[PlyCount "83"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.e4 d6 6.Ne2 e5 7.O-O Nbd7 8.Nbc3 
exd4 9.Nxd4 Nc5 10.f3 a5 11.Be3 Bd7 12.Qd2 Re8 13.Rad1 Qc8 14.Ndb5 b6 15.
Rfe1 Bc6 16.Nd4 Bb7 17.Nd5 Nxd5 18.exd5 Qd7 19.Bf2 Ba6 20.b3 Rxe1+ 21.Rxe1
Re8 22.Rxe8+ Qxe8 23.Bf1 Bc8 24.Nb5 Qd8 25.Bd4 Bd7 26.Bxg7 Kxg7 27.Nd4 Qf6
28.Qe3 Na6 29.a3 Nc5 30.Be2 h6 31.f4 h5 32.Kg2 Kf8 33.a4 Bf5 34.Bf3 Bb1 
35.Kf2 h4 36.Kg2 hxg3 37.hxg3 Bf5 38.g4 Bd7 39.Bd1 Qh4 40.Qg3 Qe7 41.Qf3 
Qe1 42.Be2 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.16"]
[Round "5"]
[White "Pilnik, Herman"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "C90"]
[EventDate "1950.11.11"]
[PlyCount "144"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.d3 d6 
9.c3 Na5 10.Bc2 c5 11.Nbd2 Nc6 12.Nf1 Re8 13.h3 Bb7 14.Bg5 Nd7 15.Qd2 Bxg5
16.Nxg5 h6 17.Nf3 Nf6 18.Qe3 Ne7 19.Nh4 g5 20.Qf3 Kg7 21.Nf5+ Nxf5 22.Qxf5
d5 23.Qf3 d4 24.cxd4 cxd4 25.Ng3 Bc8 26.Bb3 Be6 27.Bxe6 fxe6 28.Rec1 Rc8 
29.Qd1 Qd7 30.h4 Rxc1 31.Rxc1 Rc8 32.hxg5 hxg5 33.Nf1 Kg6 34.Nd2 g4 35.
Rxc8 Qxc8 36.Nf1 Qc5 37.Ng3 Kf7 38.Nf1 Kg6 39.Nh2 Kg5 40.Qd2+ Kg6 41.g3 
Qc8 42.f3 Qh8 43.fxg4 Qh3 44.Qg2 Qh6 45.Qe2 Qh3 46.Qf3 Qh6 47.Qf2 a5 48.
Kg2 Qxh2+ 49.Kxh2 Nxg4+ 50.Kg2 Nxf2 51.Kxf2 Kg5 52.Kg1 b4 53.a3 b3 54.a4 
Kg4 55.Kg2 Kh5 56.Kh3 Kg5 57.Kh2 Kg4 58.Kg2 Kh5 59.Kh3 Kg5 60.g4 Kf4 61.
Kh4 Ke3 62.g5 Kxd3 63.g6 Kc2 64.g7 d3 65.g8=Q d2 66.Qc8+ Kxb2 67.Qd7 Kc2 
68.Qc6+ Kb2 69.Qd6 Kc2 70.Qc5+ Kb1 71.Qg1+ Kc2 72.Qc5+ Kb1 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.16"]
[Round "5"]
[White "Gligoric, Svetozar"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[ECO "D43"]
[EventDate "1950.11.11"]
[PlyCount "86"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 Nf6 5.Bg5 Be7 6.e3 Ne4 7.Bxe7 Qxe7 8.Rc1 
O-O 9.Bd3 Nxc3 10.Rxc3 Nd7 11.O-O g6 12.Qe2 e5 13.dxe5 Nxe5 14.Nxe5 Qxe5 
15.cxd5 cxd5 16.Rb3 Qe7 17.Qd2 Be6 18.Qb4 Qxb4 19.Rxb4 b6 20.Ba6 Bc8 21.
Be2 Be6 22.Rd1 Rac8 23.a3 Rc5 24.Kf1 Rfc8 25.Ke1 Rc2 26.Bd3 Rc1 27.Rd4 Kf8
28.Kd2 Rxd1+ 29.Kxd1 h5 30.Ba6 Rc7 31.Kd2 Ke7 32.Rd3 Kd6 33.Rc3 Rc5 34.b4 
Rxc3 35.Kxc3 h4 36.Kd4 g5 37.f4 f6 38.Bb7 Bf7 39.Bc8 Bg6 40.Bg4 Be8 41.Bf3
Bf7 42.f5 Bg8 43.Bh5 Ke7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.16"]
[Round "5"]
[White "Gudmundsson, Gudmundur"]
[Black "Kottnauer, Cenek"]
[Result "1/2-1/2"]
[ECO "D13"]
[EventDate "1950.11.11"]
[PlyCount "59"]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 e6 7.e3 Be7 8.Bd3 
Nh5 9.Bg3 f5 10.Ne5 Nxg3 11.Nxc6 bxc6 12.hxg3 Qb6 13.Na4 Qa5+ 14.Ke2 Ba6 
15.b3 Bb5 16.Bxb5 cxb5 17.Nc5 b4 18.Nd3 Rc8 19.Qd2 O-O 20.a3 Qb5 21.axb4 
Bxb4 22.Qa2 Rc3 23.Rhd1 a5 24.Qa4 Qb7 25.Rac1 Rcc8 26.Rxc8 Rxc8 27.Rc1 h6 
28.Rxc8+ Qxc8 29.Nxb4 axb4 30.Qxb4 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.16"]
[Round "5"]
[White "Pirc, Vasja"]
[Black "Tartacover, Xavier"]
[Result "0-1"]
[ECO "A25"]
[EventDate "1950.11.11"]
[PlyCount "82"]

1.c4 e5 2.Nc3 Nc6 3.g3 f5 4.Bg2 Nf6 5.d3 Be7 6.Nf3 d6 7.O-O O-O 8.Rb1 a5 
9.Nd5 Kh8 10.Ne1 Bd7 11.f4 Re8 12.Nf3 exf4 13.gxf4 Nxd5 14.cxd5 Nb4 15.Ng5
Bxg5 16.fxg5 Nxa2 17.Bd2 Qe7 18.e4 Qe5 19.Be3 Rf8 20.Qh5 g6 21.Qh4 fxe4 
22.Rf6 Rxf6 23.gxf6 Rf8 24.Rf1 Bf5 25.dxe4 Rf7 26.Qf2 Bd7 27.Bd4 Qg5 28.h4
Qg4 29.Qd2 Nb4 30.Qh6 Kg8 31.Qc1 Nxd5 32.h5 Bb5 33.Rf3 c5 34.hxg6 hxg6 35.
Qh6 Qh5 36.Qxh5 gxh5 37.exd5 cxd4 38.Kf2 Kh7 39.Rf4 d3 40.Be4+ Kh6 41.Ke3 
Bd7 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.16"]
[Round "5"]
[White "Stahlberg, Gideon"]
[Black "Kramer, Haije"]
[Result "1-0"]
[ECO "D70"]
[EventDate "1950.11.11"]
[PlyCount "91"]

1.d4 Nf6 2.c4 g6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5 6.Nc3 Bg7 7.Nh3 Bxh3 8.Bxh3 
Nc6 9.O-O O-O 10.e3 e6 11.Bd2 Ne8 12.Rc1 Nd6 13.b3 Rc8 14.Qe2 Qe7 15.Bg2 
Rfd8 16.Qd3 b6 17.Nb5 Nxb5 18.Qxb5 Qb7 19.Rfd1 Bf8 20.Bf1 Nb8 21.a4 Rxc1 
22.Rxc1 Rc8 23.a5 Rxc1 24.Bxc1 Qc6 25.axb6 axb6 26.Bd2 Qxb5 27.Bxb5 Bd6 
28.e4 f6 29.f3 Kf7 30.Kg2 Kg7 31.h4 h6 32.Bc3 f5 33.g4 fxg4 34.fxg4 g5 35.
hxg5 hxg5 36.Bd2 Be7 37.Kf3 Kf7 38.Ke3 Kg7 39.Kd3 Kf7 40.e5 Kg7 41.Kc2 Kh6
42.Kb1 Kg7 43.Ka2 Kf7 44.Bc1 Kg7 45.Ba3 Kf7 46.Bd6 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.16"]
[Round "5"]
[White "Szabados, Eugenio"]
[Black "Van den Berg, Carel"]
[Result "1/2-1/2"]
[ECO "E03"]
[EventDate "1950.11.11"]
[PlyCount "80"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Nf3 a6 7.Qxc4 b5 8.Qc2 
Bb7 9.Nc3 c5 10.dxc5 Bxc5 11.O-O Rc8 12.Qd3 O-O 13.Ne1 Qb6 14.Bxb7 Qxb7 
15.Qf3 Qxf3 16.Nxf3 h6 17.Bd2 e5 18.Nh4 Nb6 19.Nf5 Nc4 20.Bc1 Kh7 21.Nd1 
Rfd8 22.Nde3 Nxe3 23.Bxe3 Bxe3 24.Nxe3 Rd2 25.Rac1 Rxc1 26.Rxc1 Rxb2 27.
Rc2 Rxc2 28.Nxc2 Nd5 29.Kf1 Kg6 30.Ke1 Kf6 31.Kd2 Ke6 32.e4 Nb6 33.Kc3 a5 
34.f4 f5 35.Kd3 Na4 36.exf5+ Kxf5 37.fxe5 b4 38.Ne3+ Kxe5 39.Nc4+ Kd5 40.
Nxa5 Nc5+ 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.16"]
[Round "5"]
[White "Trifunovic, Petar"]
[Black "Rossolimo, Nicolas"]
[Result "1/2-1/2"]
[ECO "C85"]
[EventDate "1950.11.11"]
[PlyCount "74"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.Re1 Nd7 8.d4 
exd4 9.Qxd4 O-O 10.Nc3 Nc5 11.Qxd8 Rxd8 12.Bg5 f6 13.Be3 Ne6 14.Red1 Bd7 
15.Nd4 Nxd4 16.Rxd4 Be6 17.Rad1 Rxd4 18.Rxd4 Bd6 19.Rd1 Re8 20.f3 f5 21.a3
Bf7 22.Bf2 Bg6 23.Re1 Bf4 24.exf5 Rxe1+ 25.Bxe1 Bxf5 26.Ne4 Kf7 27.Kf2 Be5
28.b3 c5 29.h3 Bb2 30.a4 c4 31.bxc4 Bd7 32.Bc3 Ba3 33.a5 Ba4 34.Be5 Bxc2 
35.Bxc7 Bd3 36.Bd6 Bxe4 37.Bxa3 Bd3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.16"]
[Round "5"]
[White "Van Scheltinga, Theodore"]
[Black "Foltys, Jan"]
[Result "1/2-1/2"]
[ECO "D59"]
[EventDate "1950.11.11"]
[PlyCount "80"]

1.d4 d5 2.Nf3 e6 3.c4 Nf6 4.Bg5 Be7 5.Nc3 O-O 6.e3 h6 7.Bh4 b6 8.cxd5 Nxd5
9.Bxe7 Qxe7 10.Nxd5 exd5 11.Rc1 Be6 12.Qa4 Rc8 13.Be2 c5 14.Qa3 Qf8 15.
dxc5 bxc5 16.O-O Nd7 17.Bb5 Nf6 18.Ba6 Rc7 19.Nd4 Qe7 20.Nb3 c4 21.Qxe7 
Rxe7 22.Nd4 Ne4 23.b3 Nc5 24.Bb5 a6 25.Bc6 Rc8 26.bxc4 dxc4 27.Nxe6 fxe6 
28.Bf3 Nd3 29.Rc3 Nb4 30.Rb1 Nd5 31.Rc2 Kf7 32.Kf1 Kf6 33.e4 Nf4 34.g3 Nd3
35.Be2 Rec7 36.Rc3 Ke5 37.Bxd3 cxd3 38.Rxd3 Kxe4 39.Re3+ Kf5 40.Rb4 Rc4 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.18"]
[Round "6"]
[White "Euwe, Machgielis"]
[Black "Gudmundsson, Gudmundur"]
[Result "1/2-1/2"]
[ECO "A05"]
[EventDate "1950.11.11"]
[PlyCount "40"]

1.Nf3 Nf6 2.g3 b5 3.Bg2 Bb7 4.O-O g6 5.Na3 b4 6.Nc4 a5 7.Nce5 Qc8 8.d4 Bg7
9.a3 d6 10.Nc4 Nbd7 11.Bh3 O-O 12.Qe1 Be4 13.axb4 axb4 14.Rxa8 Qxa8 15.
Qxb4 Bxc2 16.Qc3 Be4 17.Ncd2 Bc6 18.b3 Bb5 19.Re1 Nd5 20.Qc2 Nb4 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.18"]
[Round "6"]
[White "O'Kelly de Galway, Alberic"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "B51"]
[EventDate "1950.11.11"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Nf6 5.Re1 e5 6.c3 Bd7 7.d4 Qc7 8.Bg5 Be7
9.Bxf6 Bxf6 10.dxc5 dxc5 11.Bxc6 bxc6 12.Nbd2 Be6 13.Qa4 O-O 14.Nc4 Bg4 
15.Re3 Rad8 16.Rd1 Rxd1+ 17.Qxd1 Be6 18.b3 g6 19.Qe2 Rb8 20.Nfd2 Be7 21.h3
f6 22.Rd3 Rf8 23.Re3 Qc8 24.Nb2 Qb7 25.Na4 Qb5 26.Nc4 Kg7 27.Ncb2 Rd8 28.
Kf1 Rd2 29.c4 Rxe2 30.cxb5 Rxe3 31.fxe3 cxb5 32.Nc3 a6 33.Ke2 Kf7 34.Kd3 
h5 35.a4 Bd7 36.axb5 axb5 37.Nd5 Bd6 38.Nd1 h4 39.N1c3 Bc6 40.Nb1 Ke6 41.
Nd2 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.18"]
[Round "6"]
[White "Rossolimo, Nicolas"]
[Black "Van Scheltinga, Theodore"]
[Result "1-0"]
[ECO "B17"]
[EventDate "1950.11.11"]
[PlyCount "109"]

1.e4 c6 2.Nc3 d5 3.d4 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Ne5 g6 8.
Bc4 Nd5 9.Qf3 Be6 10.O-O Bg7 11.Rd1 O-O 12.Bb3 a5 13.c4 Nb6 14.a4 Qc8 15.
Qe2 f6 16.Nf3 Bf7 17.Be3 c5 18.d5 Re8 19.Rd2 e5 20.dxe6 Bxe6 21.Rad1 Bd7 
22.Rd6 Bc6 23.Qd2 Qf5 24.Bc2 Qh5 25.Ne1 Bf8 26.Rxf6 Bg7 27.Rf4 Be5 28.Nd3 
Bxf4 29.Nxf4 Qe5 30.b3 Nd7 31.Nd5 Bxd5 32.cxd5 b6 33.Bd3 Nf6 34.Bc4 Ne4 
35.d6+ Kh8 36.Qc1 Rad8 37.Bf4 Qf6 38.d7 Re7 39.f3 g5 40.Bb8 Nc3 41.Rd6 Qg7
42.Qd2 g4 43.Kf1 gxf3 44.gxf3 Rdxd7 45.Rxd7 Rxd7 46.Qxd7 Qxd7 47.Be5+ Qg7 
48.Bxg7+ Kxg7 49.Ke1 Kf6 50.Kd2 Na2 51.Ke3 h6 52.Ke4 Nc3+ 53.Kd3 Nd1 54.
Kd2 Nb2 55.Bb5 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.18"]
[Round "6"]
[White "Donner, Jan"]
[Black "Golombek, Harry"]
[Result "1-0"]
[ECO "E22"]
[EventDate "1950.11.11"]
[PlyCount "73"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 Nc6 5.Nf3 Ne4 6.e3 O-O 7.Bd2 Nxc3 8.bxc3 
Be7 9.Bd3 d6 10.Qc2 h6 11.g4 e5 12.h3 Bh4 13.Ke2 exd4 14.cxd4 Re8 15.Rag1 
b6 16.Be4 Bb7 17.Bd5 Na5 18.Bxa5 Bxd5 19.cxd5 bxa5 20.Rb1 Bf6 21.Rb7 Re7 
22.Rhb1 Qd7 23.Qc6 Qc8 24.R1b5 a6 25.Rxa5 Rb8 26.Rxb8 Qxb8 27.Rxa6 Qb2+ 
28.Kf1 Qb1+ 29.Kg2 Qe4 30.Ra8+ Kh7 31.Kg3 h5 32.a4 g6 33.Qb7 h4+ 34.Kg2 
Rd7 35.a5 Bg5 36.Rc8 Bd8 37.Qc6 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.18"]
[Round "6"]
[White "Foltys, Jan"]
[Black "Reshevsky, Samuel Herman"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1950.11.11"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Nc6 7.Nxc6 bxc6 8.e5 
Nd7 9.Bc4 Nb6 10.Bd3 e6 11.exd6 Bxd6 12.O-O O-O 13.Ne4 Be7 14.Qe2 Nd5 15.
a3 Rb8 16.Kh1 a5 17.c4 Nf6 18.Rd1 Qc7 19.Rb1 c5 20.Nc3 Bb7 21.Be3 Rbd8 22.
Rd2 Rd7 23.Rbd1 g6 24.Bc2 Rfd8 25.Kg1 Rxd2 26.Rxd2 Rxd2 27.Bxd2 Nh5 28.Qf2
Bf6 29.Nb5 Qc6 30.b3 Bd8 31.Nc3 f5 32.Nb5 Nf6 33.Qe2 Nh5 34.Qf2 Kg7 35.Qe2
Bf6 36.Kf1 Bh4 37.Kg1 Nf6 38.Qf3 Qxf3 39.gxf3 Bxf3 40.h3 Nh5 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.18"]
[Round "6"]
[White "Kottnauer, Cenek"]
[Black "Szabados, Eugenio"]
[Result "1-0"]
[ECO "B93"]
[EventDate "1950.11.11"]
[PlyCount "63"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Qc7 8.Bd3 Be6
9.O-O Nbd7 10.Qe2 Rc8 11.Kh1 Be7 12.fxe5 dxe5 13.Nh4 Nc5 14.Nf5 Bxf5 15.
Rxf5 Nxd3 16.cxd3 h6 17.Bd2 Qd6 18.Raf1 Rd8 19.R5f3 Rd7 20.Rg3 Bf8 21.Nd1 
b5 22.a3 Qe6 23.Ne3 g6 24.Rgf3 Bg7 25.Bb4 h5 26.Qc2 Rd4 27.Qc7 Rxb4 28.
Qb8+ Ke7 29.Qc7+ Qd7 30.Qc5+ Ke6 31.Rxf6+ Bxf6 32.Qb6+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.18"]
[Round "6"]
[White "Kramer, Haije"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1950.11.11"]
[PlyCount "87"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.O-O Bg4 5.b3 Nbd7 6.d4 Bxf3 7.exf3 e6 8.Bb2 
Bd6 9.Nd2 O-O 10.f4 a5 11.c4 Re8 12.Re1 Bb4 13.a3 Bxd2 14.Qxd2 a4 15.cxd5 
cxd5 16.bxa4 Nb6 17.Bc3 Rxa4 18.Bb4 Nc4 19.Qd3 g6 20.Reb1 Qd7 21.Rb3 Qc6 
22.Rab1 b6 23.Rc3 Qd7 24.Bf3 Rea8 25.Bd1 R4a7 26.a4 Rc8 27.f3 Ne8 28.Bb3 
Ned6 29.Rbc1 Rac7 30.Bxd6 Nxd6 31.Rxc7 Rxc7 32.Rxc7 Qxc7 33.Qc2 Qd8 34.Qc3
Kf8 35.Bc2 Qd7 36.Kf2 Qa7 37.Qb4 Qc7 38.Bd3 Ke7 39.Qb2 Kd8 40.Qc2 Qxc2+ 
41.Bxc2 Kc7 42.g4 f5 43.Ke2 Kb7 44.Kd3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.18"]
[Round "6"]
[White "Pilnik, Herman"]
[Black "Pirc, Vasja"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1950.11.11"]
[PlyCount "130"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f3 Nbd7 5.Be3 c6 6.Qd2 Bg7 7.O-O-O Qa5 8.Kb1 
Nb6 9.Nd5 Qxd2 10.Nxf6+ exf6 11.Bxd2 Be6 12.b3 f5 13.d5 cxd5 14.Bb5+ Ke7 
15.exf5 Bxf5 16.Bg5+ Bf6 17.Bxf6+ Kxf6 18.Ne2 Rac8 19.Nd4 a6 20.Be2 Rhe8 
21.Rd2 Re3 22.Rf1 Rce8 23.Rf2 Bd7 24.Kb2 Kg7 25.c3 Rc8 26.Bd3 f5 27.f4 Re7
28.Be2 Be8 29.Bf3 Re3 30.Rfe2 Rxe2 31.Rxe2 Kf7 32.Re6 Rd8 33.h3 Bc6 34.g4 
Na8 35.gxf5 Nc7 36.fxg6+ hxg6 37.Re1 Bd7 38.Bg4 Kf6 39.Re2 Bf5 40.Bxf5 
gxf5 41.Rg2 Ne6 42.Nxe6 Kxe6 43.h4 Rh8 44.Rh2 Kf7 45.h5 Re8 46.h6 Rh8 47.
a4 Kg6 48.Rd2 Kf6 49.Rh2 Kg6 50.Rg2+ Kf6 51.Rg7 Rxh6 52.Rxb7 Rh4 53.Rb6 
Rxf4 54.Rxd6+ Ke5 55.Rxa6 Rf2+ 56.Ka3 Rc2 57.Kb4 f4 58.Ra8 f3 59.Rf8 f2 
60.a5 Ke4 61.a6 Ke3 62.Re8+ Kd3 63.Rf8 Ke2 64.Re8+ Kd3 65.Rf8 Ke2 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.18"]
[Round "6"]
[White "Tartacover, Xavier"]
[Black "Stahlberg, Gideon"]
[Result "1/2-1/2"]
[ECO "B20"]
[EventDate "1950.11.11"]
[PlyCount "59"]

1.e4 c5 2.Ne2 d6 3.c3 Nf6 4.g3 Nxe4 5.Bg2 Nf6 6.d4 Nbd7 7.O-O g6 8.Qa4 
cxd4 9.cxd4 Bg7 10.Bd2 O-O 11.Ba5 Nb6 12.Qd1 Rb8 13.Na3 Bg4 14.h3 Bxe2 15.
Qxe2 d5 16.Nb5 a6 17.Nc3 Qd6 18.Bxb6 Qxb6 19.Qxe7 Qxb2 20.Nxd5 Nxd5 21.
Bxd5 Qxd4 22.Rad1 Qf6 23.Rfe1 b5 24.Bb3 a5 25.Rd6 Qxe7 26.Rxe7 a4 27.Bd5 
b4 28.Rdd7 Kh8 29.Rxf7 Rxf7 30.Rxf7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.18"]
[Round "6"]
[White "Van den Berg, Carel"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "E68"]
[EventDate "1950.11.11"]
[PlyCount "149"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7 7.O-O e5 8.e4 Re8 
9.h3 exd4 10.Nxd4 Nc5 11.Re1 a5 12.Qc2 Ng4 13.Ncb5 Ne5 14.Be3 c6 15.Na3 
Ned3 16.Re2 Nb4 17.Qb1 Qe7 18.Nb3 Ncd3 19.Rd2 a4 20.Nc1 Nc5 21.Bf4 Be5 22.
Bxe5 dxe5 23.Nc2 Ne6 24.Ne2 Ra6 25.Ne3 Ra8 26.Qd1 Nc5 27.Nc3 a3 28.b3 Ne6 
29.Ne2 Qc5 30.Kh2 Qa5 31.Qc1 Nc5 32.Qc3 Ne6 33.Ng4 Rf8 34.Qxe5 Qxe5 35.
Nxe5 Nc5 36.Nc3 Re8 37.f4 h5 38.Rad1 Kg7 39.Rd8 Be6 40.Rxe8 Rxe8 41.Nf3 f6
42.Ne1 b5 43.cxb5 cxb5 44.Rd4 Nxa2 45.Nxb5 Bxb3 46.Nd3 Nxd3 47.Rxd3 Nc1 
48.Rd7+ Kf8 49.Nxa3 Be6 50.Rd1 Ne2 51.Nb5 h4 52.gxh4 Nxf4 53.Nc7 Re7 54.
Nxe6+ Nxe6 55.Kg3 Nc5 56.Kf4 Kg7 57.Rd5 Nd7 58.h5 gxh5 59.Bf3 h4 60.Bg4 
Ne5 61.Bf5 Ra7 62.Ke3 Ra3+ 63.Kd4 Rd3+ 64.Kc5 Kh6 65.Rxd3 Nxd3+ 66.Kd6 Kg5
67.Ke7 Nf4 68.Kf7 Nh5 69.Bc8 Kf4 70.Kg6 Ng3 71.Kxf6 Nxe4+ 72.Kg6 Kg3 73.
Kh5 Nf2 74.Kg5 Nxh3+ 75.Kh5 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.20"]
[Round "7"]
[White "Szabados, Eugenio"]
[Black "Euwe, Machgielis"]
[Result "0-1"]
[ECO "E18"]
[EventDate "1950.11.11"]
[PlyCount "128"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Bd2 d5 
9.cxd5 exd5 10.Qc2 Nxd2 11.Qxd2 Nd7 12.Rfd1 Re8 13.Rac1 Nf8 14.e3 c6 15.a3
Bd6 16.Qd3 Qe7 17.Re1 Qd7 18.Nh4 Ne6 19.Nf5 Bf8 20.Nh4 Ng5 21.Qf5 Qe7 22.
Nf3 Nxf3+ 23.Qxf3 Qg5 24.Qf4 Qg6 25.Qf3 Rad8 26.Ne2 Rd6 27.Nf4 Qg5 28.Qh5 
Qd8 29.Qd1 Rh6 30.Nd3 Bd6 31.f4 Rhe6 32.Qd2 Bf8 33.Bh3 Rh6 34.Bg2 Rd6 35.
Qd1 Rde6 36.Qd2 g6 37.Bh3 R6e7 38.Bg2 Qd6 39.b4 Ra8 40.Rc2 a5 41.Kf2 Ree8 
42.Rb1 axb4 43.axb4 Ra3 44.Rc3 Rea8 45.Rxa3 Rxa3 46.Ne1 Ba6 47.Bf1 Bxf1 
48.Kxf1 Qe6 49.Nc2 Ra2 50.Ra1 Rxa1+ 51.Nxa1 Qe4 52.Qe1 Qh1+ 53.Ke2 Qxh2+ 
54.Kd3 Qa2 55.Qc3 c5 56.bxc5 bxc5 57.Nc2 c4+ 58.Ke2 Qb3 59.Qd2 h5 60.Kf3 
Qb1 61.Kg2 Be7 62.Qe2 Qb3 63.Ne1 Bb4 64.Nc2 Ba5 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.20"]
[Round "7"]
[White "Najdorf, Miguel"]
[Black "Donner, Jan"]
[Result "1-0"]
[ECO "D05"]
[EventDate "1950.11.11"]
[PlyCount "55"]

1.d4 e6 2.Nf3 Nf6 3.e3 d5 4.Bd3 Nbd7 5.b3 Bb4+ 6.c3 Bd6 7.c4 e5 8.c5 Bxc5 
9.dxc5 e4 10.c6 bxc6 11.Nd4 Ne5 12.Be2 c5 13.Nc2 Qd6 14.Bb2 Bf5 15.Nd2 h5 
16.h3 Nd3+ 17.Bxd3 exd3 18.Na3 Ne4 19.Qf3 Bg6 20.Qf4 f6 21.Nxe4 Bxe4 22.f3
Bg6 23.Kd2 Kd7 24.Rac1 Qxf4 25.exf4 Rhe8 26.Rhe1 Rxe1 27.Rxe1 h4 28.Nb1 
1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.20"]
[Round "7"]
[White "Pirc, Vasja"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1-0"]
[ECO "A47"]
[EventDate "1950.11.11"]
[PlyCount "37"]

1.Nf3 Nf6 2.d4 b6 3.e3 Bb7 4.Bd3 c5 5.O-O e6 6.Nbd2 Nc6 7.c3 Qc7 8.a3 cxd4
9.exd4 Be7 10.Re1 Nd5 11.Nc4 Nf4 12.Bxf4 Qxf4 13.d5 Nd8 14.Nce5 a6 15.g3 
Qh6 16.Ng4 Qh5 17.Nfe5 g6 18.Be2 Qf5 19.d6 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.20"]
[Round "7"]
[White "Reshevsky, Samuel Herman"]
[Black "Rossolimo, Nicolas"]
[Result "1-0"]
[ECO "E39"]
[EventDate "1950.11.11"]
[PlyCount "119"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.e3 Bxc5 7.Nf3 Nc6 8.Be2 
d5 9.O-O dxc4 10.Bxc4 e5 11.a3 Qe7 12.Ng5 g6 13.b4 Bb6 14.Bb2 Bf5 15.Bd3 
Bxd3 16.Qxd3 Rfd8 17.Qc2 Rac8 18.Rfd1 Rxd1+ 19.Rxd1 Rd8 20.h3 Rxd1+ 21.
Qxd1 a6 22.Nge4 Nxe4 23.Nxe4 Bc7 24.Qd5 Bb6 25.Qd6 Kf8 26.Bxe5 Bxe3 27.
Qxe7+ Kxe7 28.Bf6+ Ke6 29.fxe3 Kf5 30.Nd6+ Kxf6 31.Nxb7 Ke5 32.Nc5 Nb8 33.
Kf2 Kd5 34.Kf3 Kc4 35.Kf4 f6 36.g4 a5 37.Ne4 axb4 38.axb4 Nd7 39.g5 fxg5+ 
40.Nxg5 Kxb4 41.Nxh7 Kc4 42.Kg5 Kd3 43.Nf6 Nf8 44.Ng4 Ke4 45.h4 Kf3 46.
Ne5+ Kxe3 47.Nxg6 Ne6+ 48.Kf6 Nc5 49.h5 Ne4+ 50.Kf7 Ng5+ 51.Kg7 Ke4 52.h6 
Kf5 53.Nf8 Kg4 54.Kg6 Kh4 55.Nd7 Kg4 56.Ne5+ Kf4 57.Nf7 Ne6 58.Kf6 Nf8 59.
Kg7 Ne6+ 60.Kg8 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.20"]
[Round "7"]
[White "Gligoric, Svetozar"]
[Black "Kottnauer, Cenek"]
[Result "1/2-1/2"]
[ECO "D65"]
[EventDate "1950.11.11"]
[PlyCount "81"]

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 a6 8.cxd5 
exd5 9.Bd3 c6 10.Qc2 Re8 11.O-O Nf8 12.Rfe1 g6 13.Na4 Ne6 14.Bh4 Ng7 15.
Qb3 Nfh5 16.Bxe7 Qxe7 17.Nc5 Ne6 18.Qc3 Nxc5 19.Qxc5 Ng7 20.b4 Ne6 21.Qxe7
Rxe7 22.Nd2 Bd7 23.Nb3 b6 24.Re2 Be8 25.Rb2 Rb7 26.Rbb1 a5 27.bxa5 bxa5 
28.Nc5 Nxc5 29.Rxc5 Rxb1+ 30.Bxb1 Kf8 31.Kf1 Ke7 32.Ke1 Kd6 33.Bc2 Kc7 34.
Kd2 Kb6 35.Ba4 Bd7 36.Rc1 Kc7 37.Rc5 Kb6 38.Bc2 h6 39.a3 Re8 40.g3 g5 41.
f3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.20"]
[Round "7"]
[White "Golombek, Harry"]
[Black "Van den Berg, Carel"]
[Result "1-0"]
[ECO "D32"]
[EventDate "1950.11.11"]
[PlyCount "119"]

1.c4 Nf6 2.Nc3 e6 3.e3 d5 4.Nf3 c5 5.cxd5 exd5 6.d4 Nc6 7.Be2 a6 8.O-O Bd6
9.dxc5 Bxc5 10.a3 O-O 11.b4 Ba7 12.Bb2 Be6 13.b5 axb5 14.Nxb5 Bb8 15.Rc1 
Re8 16.Nfd4 Bd7 17.Nb3 Ne5 18.Nc5 Bc8 19.Nd4 Qd6 20.g3 Ne4 21.Nxe4 dxe4 
22.Nb5 Qg6 23.Nc7 Bxc7 24.Rxc7 Bh3 25.Re1 Rad8 26.Bd4 Qf5 27.Rc5 b6 28.Rc3
Bg4 29.Bxg4 Nxg4 30.Qe2 Re6 31.h3 Ne5 32.Bxe5 Qxe5 33.Rec1 h5 34.Kg2 Kh7 
35.Rc7 Rf6 36.R7c6 Rdd6 37.Rxd6 Rxd6 38.Rc2 Qd5 39.Rb2 Qc5 40.Rb5 Qxa3 41.
Qxh5+ Kg8 42.Re5 Qa8 43.Qf5 Rd8 44.Re7 Rf8 45.h4 Qc6 46.Qxe4 Qxe4+ 47.Rxe4
Rb8 48.Kf3 b5 49.Rb4 Kf8 50.Ke4 Ke7 51.Ke5 Rb6 52.h5 Re6+ 53.Kd4 Rd6+ 54.
Kc3 Rc6+ 55.Kb3 Rc5 56.g4 Rg5 57.Rf4 f6 58.Kb4 Ke6 59.Ka5 Ke7 60.Rb4 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.20"]
[Round "7"]
[White "Gudmundsson, Gudmundur"]
[Black "Foltys, Jan"]
[Result "1/2-1/2"]
[ECO "D45"]
[EventDate "1950.11.11"]
[PlyCount "89"]

1.d4 d5 2.Nf3 c6 3.e3 Nf6 4.c4 e6 5.Nc3 Nbd7 6.Qc2 Bd6 7.e4 Nxe4 8.Nxe4 
dxe4 9.Qxe4 e5 10.dxe5 O-O 11.Bd3 f5 12.Qe2 Nxe5 13.Nxe5 Bxe5 14.O-O Qf6 
15.Qc2 Bd7 16.Rb1 c5 17.Be3 Bc6 18.f4 Bd4 19.Bxd4 Qxd4+ 20.Rf2 g6 21.Rd1 
Rad8 22.Be2 Qe3 23.Rd3 Qe7 24.Bf3 Rxd3 25.Qxd3 Rd8 26.Qe2 Qxe2 27.Bxe2 Rd4
28.b3 Kf8 29.Kf1 a5 30.g3 Ke7 31.Bf3 Kd6 32.Bxc6 Kxc6 33.Ke1 a4 34.Rd2 
Re4+ 35.Re2 Rxe2+ 36.Kxe2 Kb6 37.Kd3 axb3 38.axb3 Ka5 39.Kc3 b6 40.Kc2 Kb4
41.Kb2 h6 42.Kc2 Ka3 43.Kc3 Ka2 44.Kc2 Ka1 45.Kc1 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.20"]
[Round "7"]
[White "Stahlberg, Gideon"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "E72"]
[EventDate "1950.11.11"]
[PlyCount "67"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nge2 O-O 6.g3 Nc6 7.Bg2 e5 8.d5 Nd4 
9.O-O c5 10.dxc6 bxc6 11.Nxd4 exd4 12.Ne2 Bg4 13.f3 Be6 14.Nxd4 Bxc4 15.
Re1 Qb6 16.Be3 c5 17.Nb3 Rfe8 18.Qc2 Bxb3 19.axb3 Rab8 20.Ra3 Nd7 21.Rd1 
Ne5 22.Qf2 Qc7 23.Bf1 Kh8 24.Kg2 f5 25.exf5 gxf5 26.Bf4 Rb4 27.Re1 Reb8 
28.Qc2 Qf7 29.Bxe5 Bxe5 30.Bc4 Qg7 31.Qxf5 Rf8 32.Qh5 Bxb2 33.Ra2 Bf6 34.
Re4 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.20"]
[Round "7"]
[White "Trifunovic, Petar"]
[Black "Tartacover, Xavier"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1950.11.11"]
[PlyCount "15"]

1.d4 d6 2.e4 Nf6 3.Nc3 g6 4.f3 Nbd7 5.Be3 c6 6.Qd2 Qa5 7.Bc4 Nb6 8.Bd3 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.20"]
[Round "7"]
[White "Van Scheltinga, Theodore"]
[Black "Kramer, Haije"]
[Result "1/2-1/2"]
[ECO "E60"]
[EventDate "1950.11.11"]
[PlyCount "46"]

1.d4 Nf6 2.c4 g6 3.g3 c6 4.d5 d6 5.Bg2 e6 6.Nc3 Bg7 7.dxc6 bxc6 8.Nf3 O-O 
9.O-O Ba6 10.Qa4 Nfd7 11.Nd2 d5 12.Qc2 Ne5 13.cxd5 cxd5 14.Nf3 Nbd7 15.Rd1
Nxf3+ 16.Bxf3 Ne5 17.Bg2 Qc7 18.Bf4 Rac8 19.e4 d4 20.Rxd4 Qc5 21.Rdd1 Nc4 
22.Rac1 Nxb2 23.Qxb2 Bxc3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.21"]
[Round "8"]
[White "Euwe, Machgielis"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "E68"]
[EventDate "1950.11.11"]
[PlyCount "85"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7 7.O-O e5 8.e4 Re8 
9.d5 Nc5 10.Ne1 a5 11.b3 Rf8 12.a3 Ne8 13.Be3 f5 14.b4 axb4 15.axb4 Rxa1 
16.Qxa1 Nxe4 17.Nxe4 fxe4 18.Bxe4 Nf6 19.Bg5 Bd7 20.Ng2 Qa8 21.Bxf6 Bxf6 
22.Qc3 Bg5 23.Ra1 Qe8 24.f3 Bf5 25.Qd3 Bh6 26.c5 Bd7 27.c6 bxc6 28.dxc6 
Bxc6 29.Qc4+ d5 30.Bxd5+ Bxd5 31.Qxd5+ Qf7 32.Qxf7+ Rxf7 33.Kf2 Rd7 34.Ra2
Bf8 35.Rb2 Rd5 36.b5 Rd3 37.Ke2 Ra3 38.Ne3 Bc5 39.Nd5 Bb6 40.Nxb6 cxb6 41.
Rd2 Rb3 42.Rd5 Kf7 43.Rxe5 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.21"]
[Round "8"]
[White "Van den Berg, Carel"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "D43"]
[EventDate "1950.11.11"]
[PlyCount "112"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 5.Bg5 h6 6.Bxf6 Qxf6 7.Qb3 Nd7 8.e4 
dxe4 9.Nxe4 Qf4 10.Bd3 Be7 11.O-O O-O 12.Rfe1 Rd8 13.Rad1 Qc7 14.Bb1 Nf8 
15.a3 Bd7 16.c5 Be8 17.Ne5 b5 18.Qc3 f6 19.Nd3 Rd7 20.Ng3 Rad8 21.Nc1 f5 
22.Ba2 Bf7 23.Nce2 Bf6 24.Rd3 h5 25.Red1 h4 26.Nf1 Ng6 27.Qc1 e5 28.Bxf7+ 
Kxf7 29.Ne3 Ne7 30.Qc2 e4 31.R3d2 Bg5 32.Nc3 Kg6 33.d5 cxd5 34.Ncxd5 Nxd5 
35.Rxd5 Bxe3 36.Rxd7 Bxf2+ 37.Qxf2 Rxd7 38.Rxd7 Qxd7 39.h3 Qe7 40.b4 e3 
41.Qe2 Qe4 42.Kh1 Kf6 43.Kg1 Qd4 44.Kf1 Qc4 45.Ke1 Qc3+ 46.Kf1 Qc1+ 47.Qe1
Qc4+ 48.Kg1 Qd4 49.Kf1 Ke5 50.Ke2 f4 51.Qd1 Qb2+ 52.Kf3 Qf2+ 53.Kg4 Qxg2+ 
54.Kh5 Qd5 55.Qg4 Kf6+ 56.Kxh4 g5+ 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.21"]
[Round "8"]
[White "O'Kelly de Galway, Alberic"]
[Black "Donner, Jan"]
[Result "1-0"]
[ECO "A81"]
[EventDate "1950.11.11"]
[PlyCount "83"]

1.d4 e6 2.Nf3 f5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 d5 7.Bb2 Qe8 8.Ne5 Nbd7
9.Nd3 Bd6 10.c4 c6 11.Nd2 b6 12.Rc1 Ne4 13.Nf3 Bb7 14.Nfe5 Rc8 15.f3 Nef6 
16.c5 bxc5 17.Nxc5 Nxc5 18.dxc5 Bc7 19.Qd4 Ba6 20.Rfe1 Bb5 21.a4 Ba6 22.
Bc3 Rb8 23.Rb1 Rb7 24.b4 Bxe5 25.Qxe5 Qe7 26.Qe3 Nd7 27.f4 Bc4 28.Bd4 a6 
29.Rec1 Rfb8 30.Rxc4 dxc4 31.Qc3 e5 32.fxe5 Qe6 33.e4 a5 34.b5 cxb5 35.
exf5 Qxf5 36.Rf1 Qe6 37.Bxb7 Rxb7 38.Qf3 Rb8 39.c6 b4 40.cxd7 Qxd7 41.Bc5 
h6 42.Bd6 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.21"]
[Round "8"]
[White "Rossolimo, Nicolas"]
[Black "Gudmundsson, Gudmundur"]
[Result "0-1"]
[ECO "C03"]
[EventDate "1950.11.11"]
[PlyCount "82"]

1.e4 e6 2.d4 d5 3.Nd2 f5 4.exf5 exf5 5.Bd3 Bd6 6.Ndf3 Nf6 7.Ne2 O-O 8.O-O 
c6 9.Bf4 Kh8 10.c4 Na6 11.Bxd6 Qxd6 12.c5 Qc7 13.Bxa6 bxa6 14.Qc1 Rb8 15.
b3 Bd7 16.Nf4 a5 17.Re1 a4 18.Ne6 Bxe6 19.Rxe6 Rfe8 20.Rxe8+ Rxe8 21.Qg5 
Qa5 22.bxa4 Qc3 23.Qc1 Qd3 24.Qd1 Qa6 25.Ne5 g6 26.Rb1 Ne4 27.Qc2 Kg7 28.
f3 Ng5 29.Qb3 Re7 30.Qb8 Nf7 31.Nxf7 Qd3 32.Qh8+ Kxf7 33.Qxh7+ Kf6 34.Qh4+
Kf7 35.Rf1 Re2 36.h3 Qd2 37.Rf2 Qe1+ 38.Kh2 Qxf2 39.Qh7+ Kf6 40.Qh8+ Kf7 
41.Qh7+ Kf8 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.21"]
[Round "8"]
[White "Foltys, Jan"]
[Black "Szabados, Eugenio"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1950.11.11"]
[PlyCount "42"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bg5 c6 6.Qd2 Qa5 7.Bd3 Bg4 8.O-O-O 
Nbd7 9.Kb1 O-O-O 10.Bc4 e6 11.Rhe1 h6 12.Bf4 g5 13.Bg3 Nb6 14.Bf1 Nh5 15.
h3 Bxf3 16.gxf3 Nxg3 17.fxg3 Rhe8 18.Nd5 Qxd2 19.Nxb6+ axb6 20.Rxd2 Kc7 
21.c3 Re7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.21"]
[Round "8"]
[White "Kottnauer, Cenek"]
[Black "Golombek, Harry"]
[Result "1/2-1/2"]
[ECO "B11"]
[EventDate "1950.11.11"]
[PlyCount "50"]

1.e4 c6 2.Nc3 d5 3.Nf3 dxe4 4.Nxe4 Bg4 5.h3 Bxf3 6.Qxf3 e6 7.c3 Nd7 8.d4 
Ngf6 9.Bd3 Be7 10.O-O Nxe4 11.Qxe4 Nf6 12.Qe2 O-O 13.Bf4 Nd5 14.Be5 Bf6 
15.Rad1 Bxe5 16.dxe5 Qg5 17.Qe4 g6 18.g3 Rad8 19.h4 Qe7 20.Bc2 Nb6 21.Bb3 
Rxd1 22.Rxd1 Rd8 23.Rxd8+ Qxd8 24.Qe3 h5 25.Kg2 Kg7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.21"]
[Round "8"]
[White "Kramer, Haije"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "E94"]
[EventDate "1950.11.11"]
[PlyCount "112"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Nbd7 7.O-O e5 8.b3 Re8 
9.d5 Nc5 10.Bg5 h6 11.Bxf6 Qxf6 12.b4 Nd7 13.Nd2 Qe7 14.Nb3 f5 15.Bd3 Nf6 
16.c5 fxe4 17.Bxe4 Nxe4 18.Nxe4 Bf5 19.cxd6 cxd6 20.Qe2 Rac8 21.Rac1 Bf8 
22.f3 Kg7 23.Qe3 b6 24.Nbd2 Qb7 25.Nc4 Red8 26.g4 Bxe4 27.Qxe4 Be7 28.Ne3 
Bg5 29.Rc6 Bxe3+ 30.Qxe3 Rxc6 31.dxc6 Qxc6 32.Rc1 Qd7 33.Qe4 Rf8 34.Qd5 
Rf4 35.Rd1 e4 36.Qxd6 Qxd6 37.Rxd6 exf3 38.Rd7+ Kf6 39.Rxa7 Rxg4+ 40.Kf2 
Rg2+ 41.Kxf3 Rxh2 42.Ra6 Kg5 43.a4 Ra2 44.a5 b5 45.Rb6 h5 46.Rxb5+ Kh4 47.
Rb6 g5 48.a6 g4+ 49.Ke3 g3 50.b5 Kh3 51.Rg6 h4 52.Rg7 Kg2 53.a7 Ra3+ 54.
Ke2 Ra2+ 55.Ke3 Ra3+ 56.Ke2 Ra2+ 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.21"]
[Round "8"]
[White "Pilnik, Herman"]
[Black "Trifunovic, Petar"]
[Result "1-0"]
[ECO "C80"]
[EventDate "1950.11.11"]
[PlyCount "217"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 exd4 8.Re1 
d5 9.Nc3 Be6 10.Nxe4 dxe4 11.Bg5 Be7 12.Bxe7 Qxe7 13.Rxe4 O-O 14.Qe2 Qd6 
15.Bxe6 fxe6 16.Rxe6 Qd5 17.Rd1 Nd8 18.Re8 Nf7 19.Rxa8 Rxa8 20.Nxd4 Qxa2 
21.b3 Qb2 22.h3 g6 23.Qe4 Rd8 24.Rd3 c5 25.Ne6 Re8 26.Re3 Ng5 27.Qd5 Qc1+ 
28.Kh2 Nxe6 29.Qd7 Ng7 30.Rxe8+ Nxe8 31.Qxe8+ Kg7 32.Qe7+ Kg8 33.Qxc5 Qf4+
34.Kg1 Qc1+ 35.Kh2 Qf4+ 36.g3 Qf3 37.b4 Qb7 38.Kg1 Kg7 39.Qd4+ Kg8 40.Kh2 
Qc6 41.c3 h5 42.Qd8+ Kf7 43.Qd3 Kg7 44.g4 hxg4 45.hxg4 Qc7+ 46.Kg2 Qc6+ 
47.Kg3 Qc7+ 48.f4 Qc6 49.Qd4+ Kh7 50.g5 Qe6 51.Qa7+ Kg8 52.Qb8+ Kh7 53.
Qc7+ Kg8 54.Kf2 Qe4 55.Qe5 Qd3 56.Qd4 Qb1 57.Ke3 Qe1+ 58.Kd3 Qb1+ 59.Kd2 
Qa2+ 60.Ke3 Qe6+ 61.Qe5 Qc6 62.Qc5 Qd7 63.Ke4 Kh7 64.f5 Qb7+ 65.Kf4 gxf5 
66.Qxf5+ Kg7 67.Qf6+ Kh7 68.Qh6+ Kg8 69.Qe6+ Kg7 70.Qe5+ Kg8 71.Qe6+ Kg7 
72.Qf6+ Kg8 73.Qg6+ Kh8 74.Qf6+ Kh7 75.g6+ Kh6 76.g7+ Kh7 77.Qf8 Qc7+ 78.
Kf5 Qd7+ 79.Ke5 Qc7+ 80.Kf5 Qd7+ 81.Ke5 Qc7+ 82.Kd5 Qb7+ 83.Kd6 Qb6+ 84.
Kd5 Qb7+ 85.Kd4 Qb6+ 86.Kd3 Qg6+ 87.Ke3 Qh6+ 88.Kf3 Qh1+ 89.Kf4 Qh6+ 90.
Ke5 Qe3+ 91.Kd5 Qd3+ 92.Kc6 Qc4+ 93.Kb6 Qe6+ 94.Ka7 Qe3+ 95.Kb7 Qe4+ 96.
Ka7 Qe3+ 97.Kxa6 Qe6+ 98.Ka7 Qe3+ 99.Qc5 Qg3 100.Kb7 Qf3+ 101.Qc6 Qd3 102.
Qc7 Qd5+ 103.Kb6 Qf5 104.Qe7 Qf2+ 105.Kxb5 Qf5+ 106.Kc4 Qg4+ 107.Kc5 Qc8+ 
108.Kd4 Qg4+ 109.Qe4+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.21"]
[Round "8"]
[White "Pirc, Vasja"]
[Black "Stahlberg, Gideon"]
[Result "1/2-1/2"]
[ECO "D00"]
[EventDate "1950.11.11"]
[PlyCount "123"]

1.Nf3 Nf6 2.d4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Be2 b6 7.O-O Bb7 8.Nb5 Na6
9.c4 c6 10.Nc3 Nc7 11.Rc1 dxc4 12.Bxc4 Ncd5 13.Nxd5 Nxd5 14.Be5 Rc8 15.e4 
Nf6 16.Qe2 e6 17.Rfd1 Qe7 18.Bg3 Nh5 19.Bh4 Bf6 20.Bxf6 Nxf6 21.e5 Nh5 22.
Qe3 c5 23.Be2 Ng7 24.dxc5 bxc5 25.Qa3 Rc7 26.Rc3 Nf5 27.Rdc1 Rfc8 28.Ba6 
Bxf3 29.Rxf3 Rd8 30.Rd3 Nd4 31.Rdd1 Rd5 32.f4 Qh4 33.Qg3 Qd8 34.Bc4 Nf5 
35.Rxd5 exd5 36.Qd3 Rd7 37.Bb5 Qb6 38.Kh1 Rb7 39.a4 Nd4 40.f5 c4 41.Qd2 a6
42.Bxa6 Qxb2 43.Qg5 Rb8 44.fxg6 hxg6 45.Rf1 Qb6 46.Bb5 Nxb5 47.axb5 c3 48.
Qf4 Qc7 49.h4 Rxb5 50.h5 Rb6 51.hxg6 Rxg6 52.Rc1 Qc5 53.e6 Rxe6 54.Rf1 Qa7
55.Rf3 c2 56.Kh2 d4 57.Qg5+ Rg6 58.Qd8+ Kh7 59.Rh3+ Rh6 60.Rxh6+ Kxh6 61.
Qf6+ Kh7 62.Qf5+ 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.21"]
[Round "8"]
[White "Tartacover, Xavier"]
[Black "Van Scheltinga, Theodore"]
[Result "1/2-1/2"]
[ECO "D03"]
[EventDate "1950.11.11"]
[PlyCount "148"]

1.d4 d5 2.Nf3 Nf6 3.Bg5 Ne4 4.Bh4 c6 5.e3 Bf5 6.Bd3 Nd7 7.Nbd2 f6 8.Ng1 
Nd6 9.Bxf5 Nxf5 10.Bg3 e6 11.Ne2 Be7 12.c3 g6 13.e4 Ng7 14.Qc2 O-O 15.f3 
f5 16.exd5 exd5 17.Qb3 b5 18.a4 a6 19.O-O Nh5 20.Rfe1 f4 21.Bf2 Bd6 22.
axb5 axb5 23.Rxa8 Qxa8 24.Nc1 Re8 25.Qd1 Ng7 26.g4 fxg3 27.hxg3 Rxe1+ 28.
Qxe1 Qa1 29.Nd3 Qxe1+ 30.Nxe1 Nb6 31.b3 Nf5 32.Kg2 b4 33.c4 dxc4 34.bxc4 
Na4 35.Nd3 Bf8 36.g4 Bh6 37.f4 Ne7 38.Kf3 g5 39.f5 Nxf5 40.Nxb4 Ne7 41.Ne4
Kf7 42.Bg3 Nb6 43.Nd6+ Ke6 44.Ke4 Bf8 45.Na6 Na4 46.Kd3 h6 47.Ne4 Nb6 48.
Nac5+ Kf7 49.Nd6+ Kg6 50.Ne6 Bg7 51.Ne8 Bh8 52.Nd8 h5 53.gxh5+ Kxh5 54.Bc7
Nbc8 55.Nf7 Bf6 56.Nxf6+ Kg6 57.Nxg5 Kxf6 58.Ne4+ Ke6 59.Nc5+ Kf5 60.Kc3 
Ng6 61.Kb4 Nf8 62.Be5 Ne6 63.Nd7 Ke4 64.Kc3 c5 65.d5 Nf8 66.Nxf8 Kxe5 67.
Nd7+ Kd6 68.Nf6 Nb6 69.Kd3 Ke5 70.Ng4+ Kd6 71.Ne3 Ke5 72.Kc3 Kd6 73.Kc2 
Nxc4 74.Nxc4+ Kxd5 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.22"]
[Round "9"]
[White "Golombek, Harry"]
[Black "Euwe, Machgielis"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1950.11.11"]
[PlyCount "82"]

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.Nc3 O-O 5.e3 d5 6.Be2 dxc4 7.Bxc4 b6 8.O-O 
Bb7 9.Qe2 Ne4 10.Nxe4 Bxe4 11.Bd2 Qc8 12.Rac1 Qb7 13.Bb4 Bf6 14.Rfd1 a5 
15.Bc3 e6 16.Ne1 Bc6 17.d5 exd5 18.Bxf6 dxc4 19.Qxc4 h5 20.Qf4 Kh7 21.Be7 
Rg8 22.Qxf7+ Rg7 23.Qf6 Bd5 24.Nf3 Nd7 25.Qg5 c6 26.Bd6 Bxa2 27.Bf4 Re8 
28.Rd6 Bd5 29.Qh6+ Kg8 30.Rxg6 Nf8 31.Rxg7+ Qxg7 32.Qxg7+ Kxg7 33.Nd2 b5 
34.Bd6 Kf7 35.Kf1 Ng6 36.e4 Bxe4 37.Nxe4 Rxe4 38.Rxc6 Ra4 39.Rb6 b4 40.Ra6
Ra1+ 41.Ke2 Ra2 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.22"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "Kottnauer, Cenek"]
[Result "1-0"]
[ECO "E19"]
[EventDate "1950.11.11"]
[PlyCount "71"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 Be4 10.Rd1 Qc8 11.Bf4 d6 12.Qe3 d5 13.Rac1 c6 14.Bh3 Qb7 15.
Nd2 Bg6 16.cxd5 exd5 17.Qc3 Bf6 18.Nf3 Re8 19.Be5 Nd7 20.Bxd7 Qxd7 21.Qxc6
Qxc6 22.Rxc6 Bh5 23.Kg2 Bxf3+ 24.Kxf3 Bxe5 25.dxe5 Rxe5 26.Rd6 Rf5+ 27.Kg2
Kf8 28.R1xd5 Rxd5 29.Rxd5 Ke7 30.Rd3 Ke6 31.Kf3 Rc8 32.Rc3 Rd8 33.Re3+ Kf6
34.Rd3 Rc8 35.Rc3 Rd8 36.Rc6+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.22"]
[Round "9"]
[White "Stahlberg, Gideon"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "D06"]
[EventDate "1950.11.11"]
[PlyCount "58"]

1.d4 d5 2.Nf3 Nf6 3.c4 c5 4.cxd5 cxd4 5.Qxd4 Qxd5 6.Nc3 Qxd4 7.Nxd4 a6 8.
g3 Bd7 9.Bg2 e5 10.Nb3 Bc6 11.O-O Bb4 12.Bd2 Bxg2 13.Kxg2 Nc6 14.a3 Bxc3 
15.Bxc3 Ke7 16.Rfd1 Rhd8 17.Nc5 Rxd1 18.Rxd1 b6 19.Nd3 Rd8 20.Rc1 Rd5 21.
f4 Nd7 22.fxe5 Ndxe5 23.Nxe5 Nxe5 24.e4 Nd3 25.Bb4+ Ke8 26.exd5 Nxc1 27.
Kf3 f6 28.Ke4 Nb3 29.Kd3 Kd7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.22"]
[Round "9"]
[White "Szabados, Eugenio"]
[Black "Rossolimo, Nicolas"]
[Result "1/2-1/2"]
[ECO "A91"]
[EventDate "1950.11.11"]
[PlyCount "80"]

1.d4 e6 2.c4 f5 3.g3 Nf6 4.Bg2 Be7 5.Nc3 O-O 6.Nh3 d6 7.O-O c6 8.e4 e5 9.
dxe5 dxe5 10.Qxd8 Rxd8 11.Bg5 Be6 12.f4 h6 13.fxe5 hxg5 14.exf6 gxf6 15.b3
Rd3 16.exf5 Bxc4 17.Ne4 Bb5 18.Rfd1 Nd7 19.Rxd3 Bxd3 20.Rd1 Ne5 21.Nhf2 
Bb5 22.Bf1 Bxf1 23.Kxf1 a5 24.Ke2 a4 25.Nd3 axb3 26.axb3 Ra2+ 27.Rd2 Nxd3 
28.Kxd3 Ra5 29.g4 Rb5 30.Kc2 Rb4 31.Re2 Kf7 32.h3 Rd4 33.Re3 Bb4 34.Re2 
Rd8 35.Re3 Rd4 36.Re2 b5 37.Re3 c5 38.Re2 c4 39.bxc4 bxc4 40.Re3 Rd8 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.22"]
[Round "9"]
[White "Donner, Jan"]
[Black "Van den Berg, Carel"]
[Result "1/2-1/2"]
[ECO "E22"]
[EventDate "1950.11.11"]
[PlyCount "52"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Na6 6.a3 Bxc5 7.Nf3 O-O 8.Bg5 
Be7 9.Qc2 Qa5 10.e4 d5 11.e5 d4 12.exf6 gxf6 13.Bd2 dxc3 14.Bxc3 Bb4 15.
Rc1 Bxc3+ 16.Qxc3 Qxc3+ 17.Rxc3 e5 18.Bd3 Nc5 19.Bc2 Bg4 20.b4 Ne6 21.Be4 
a5 22.O-O axb4 23.axb4 Ra4 24.Rb1 Rd8 25.h3 Nf4 26.Kh2 Bc8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.22"]
[Round "9"]
[White "Gligoric, Svetozar"]
[Black "Foltys, Jan"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1950.11.11"]
[PlyCount "44"]

1.Nf3 d5 2.g3 c6 3.Bg2 Nf6 4.O-O Bf5 5.d3 h6 6.b3 e6 7.Bb2 Be7 8.c4 O-O 9.
Nc3 Nbd7 10.Qd2 Qb6 11.e4 Bh7 12.e5 Ne8 13.d4 Nc7 14.c5 Qa6 15.Rfd1 b6 16.
b4 Qb7 17.Ne2 a5 18.a3 Rfb8 19.Bc3 Nb5 20.Bb2 Nc7 21.Bc3 Nb5 22.Bb2 Nc7 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.22"]
[Round "9"]
[White "Gudmundsson, Gudmundur"]
[Black "Kramer, Haije"]
[Result "1/2-1/2"]
[ECO "E18"]
[EventDate "1950.11.11"]
[PlyCount "47"]

1.d4 Nf6 2.Nf3 b6 3.c4 e6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Nxe4 
Bxe4 9.Ne1 Bxg2 10.Nxg2 c6 11.Bf4 d6 12.e4 Nd7 13.Qc2 Rc8 14.Rac1 Qc7 15.
Be3 Qb7 16.Qe2 d5 17.cxd5 cxd5 18.e5 Rxc1 19.Rxc1 Rc8 20.Nf4 Rxc1+ 21.Bxc1
Qc6 22.Be3 Qa4 23.b3 Qc6 24.Nd3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.22"]
[Round "9"]
[White "Reshevsky, Samuel Herman"]
[Black "Tartacover, Xavier"]
[Result "1-0"]
[ECO "A41"]
[EventDate "1950.11.11"]
[PlyCount "129"]

1.d4 d6 2.c4 e5 3.d5 Be7 4.e4 f5 5.exf5 Bxf5 6.Qf3 Qd7 7.Ne2 Bf6 8.Ng3 Ne7
9.Bd3 Bxd3 10.Qxd3 Na6 11.Be3 O-O 12.Nc3 Bh4 13.Qe4 Ng6 14.Nge2 Qf5 15.g3 
Be7 16.Qxf5 Rxf5 17.Ne4 b6 18.a3 Nb8 19.b4 Nd7 20.N2c3 Rff8 21.Ke2 Rfc8 
22.Rhc1 Ngf8 23.Na4 h6 24.Ra2 a5 25.Rcc2 axb4 26.axb4 Nh7 27.Nac3 Nhf6 28.
h3 Kf7 29.Nd2 Ne8 30.Nb5 Rxa2 31.Rxa2 c5 32.Ra7 Rd8 33.Nc3 cxb4 34.Na2 Nc5
35.Nxb4 Rd7 36.Ra8 Rb7 37.Nc6 Bf6 38.Kf3 b5 39.cxb5 Rxb5 40.Nc4 Rb3 41.h4 
Rd3 42.Ke2 Rc3 43.Nd2 Rc2 44.Kd1 Rc3 45.Ke2 Rc2 46.Ra5 Kg6 47.Bxc5 Rxc5 
48.Rxc5 dxc5 49.Ne4 Kf5 50.f3 h5 51.Kd3 Nc7 52.d6 Ne6 53.Ne7+ Bxe7 54.dxe7
Nc7 55.Nd6+ Ke6 56.e8=Q+ Nxe8 57.Nxe8 g6 58.Ke4 c4 59.Nc7+ Kd6 60.Nd5 Ke6 
61.Ne3 c3 62.Kd3 Kf6 63.Kxc3 g5 64.Kd3 e4+ 65.Kxe4 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.22"]
[Round "9"]
[White "Trifunovic, Petar"]
[Black "Pirc, Vasja"]
[Result "1/2-1/2"]
[ECO "A46"]
[EventDate "1950.11.11"]
[PlyCount "33"]

1.Nf3 Nf6 2.d4 e6 3.Bg5 c5 4.c3 d5 5.Nbd2 Nbd7 6.e4 cxd4 7.Nxd4 dxe4 8.
Nxe4 Be7 9.Nxf6+ Bxf6 10.Bxf6 Nxf6 11.Be2 O-O 12.O-O Bd7 13.Qb3 Qc7 14.
Rad1 Rad8 15.Bf3 b6 16.g3 Qc5 17.Nc2 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.22"]
[Round "9"]
[White "Van Scheltinga, Theodore"]
[Black "Pilnik, Herman"]
[Result "1/2-1/2"]
[ECO "D72"]
[EventDate "1950.11.11"]
[PlyCount "53"]

1.d4 Nf6 2.c4 g6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Bg7 6.e4 Nb6 7.Ne2 c6 8.Nbc3 
O-O 9.O-O Na6 10.b3 Bg4 11.f3 Bc8 12.Be3 Nc7 13.Qc2 a5 14.d5 Na6 15.dxc6 
bxc6 16.Rfd1 Qc7 17.Rac1 Qb7 18.Nd4 e5 19.Nde2 Be6 20.Qd2 a4 21.Nxa4 Nxa4 
22.bxa4 Qb4 23.Qxb4 Nxb4 24.a3 Na2 25.Rxc6 Rxa4 26.Bc5 Re8 27.Nc1 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.23"]
[Round "10"]
[White "Euwe, Machgielis"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1950.11.11"]
[PlyCount "50"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 Be4 10.Bf4 d6 11.Rfd1 Nd7 12.Qe3 Nf6 13.h3 c6 14.g4 Bg6 15.Nh4
Nxg4 16.hxg4 Bxh4 17.Bxc6 Rc8 18.Bb5 h6 19.Ba6 Rc7 20.c5 Be7 21.Rac1 Qd7 
22.Qg3 Rd8 23.cxd6 Bxd6 24.Bxd6 Rxc1 25.Rxc1 Qxd6 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.23"]
[Round "10"]
[White "O'Kelly de Galway, Alberic"]
[Black "Van den Berg, Carel"]
[Result "1/2-1/2"]
[ECO "E94"]
[EventDate "1950.11.11"]
[PlyCount "84"]

1.c4 Nf6 2.d4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Nbd7 7.O-O e5 8.Qc2 c6 
9.Rd1 Qb6 10.h3 Nh5 11.Be3 Qc7 12.Qc1 Re8 13.b4 exd4 14.Nxd4 Nhf6 15.Qc2 
a5 16.a3 axb4 17.axb4 Rxa1 18.Rxa1 Nf8 19.Rd1 Qe7 20.Bd3 N6d7 21.Bf1 Nf6 
22.Bd3 N6d7 23.Nb3 Ne5 24.Bf1 Be6 25.Nd2 f5 26.exf5 Bxf5 27.Qb3 Nf7 28.Nf3
Qf6 29.Bd4 Ne5 30.Ne2 Be6 31.Nxe5 dxe5 32.Bb2 b5 33.Ng3 Qf7 34.Rc1 Rd8 35.
Qe3 Bxc4 36.Bxc4 bxc4 37.Ne4 Qd5 38.Qg5 Ne6 39.Nf6+ Kf7 40.Nxd5 Nxg5 41.
Ne3 Ne6 42.Rxc4 Nd4 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.23"]
[Round "10"]
[White "Rossolimo, Nicolas"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "C47"]
[EventDate "1950.11.11"]
[PlyCount "81"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.
exd5 Qe7+ 9.Qe2 Qxe2+ 10.Kxe2 Nxd5 11.Ne4 f5 12.Ng5 O-O 13.Rd1 h6 14.Nf3 
Bd6 15.Kf1 Bd7 16.Bc4 Kh7 17.Bxd5 cxd5 18.Rxd5 Bc6 19.Rd1 Rae8 20.Be3 a6 
21.Kg1 Rf6 22.h3 g5 23.Bd4 Rff8 24.Re1 Be4 25.Re2 Bxf3 26.Rxe8 Rxe8 27.
gxf3 Re2 28.c4 Rc2 29.c5 Bxc5 30.Bxc5 Rxc5 31.Re1 Rc6 32.Kg2 Kg6 33.Re2 
Kf6 34.Re8 Rc2 35.Ra8 Rxb2 36.Rxa6+ Ke5 37.Rc6 Rb7 38.Rxh6 c5 39.Rc6 Rb5 
40.Kg3 Ra5 41.Rc8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.23"]
[Round "10"]
[White "Foltys, Jan"]
[Black "Golombek, Harry"]
[Result "1/2-1/2"]
[ECO "B11"]
[EventDate "1950.11.11"]
[PlyCount "38"]

1.e4 c6 2.Nc3 d5 3.Nf3 dxe4 4.Nxe4 Bg4 5.h3 Bxf3 6.Qxf3 e6 7.c3 Nd7 8.d4 
Ngf6 9.Bd3 Be7 10.O-O Nxe4 11.Bxe4 Nf6 12.Bc2 Qd5 13.Qe2 O-O 14.Bf4 Qh5 
15.Qd3 Nd5 16.Bg3 g6 17.Rfe1 Rad8 18.a3 Bd6 19.Be5 Nf4 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.23"]
[Round "10"]
[White "Kottnauer, Cenek"]
[Black "Donner, Jan"]
[Result "0-1"]
[ECO "D47"]
[EventDate "1950.11.11"]
[PlyCount "58"]

1.c4 e6 2.Nc3 d5 3.d4 c6 4.e3 Nf6 5.Nf3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 
Bb7 9.Qe2 a6 10.e4 c5 11.d5 c4 12.Bc2 exd5 13.e5 Ne4 14.O-O Ndc5 15.Rd1 
Nxc3 16.bxc3 Qc7 17.Bf4 Ne6 18.Bg3 g6 19.Qe3 O-O-O 20.a4 b4 21.cxb4 Bxb4 
22.Nd4 Bc5 23.Nxe6 fxe6 24.Qe2 Qc6 25.Qf1 d4 26.Rac1 d3 27.Bb3 cxb3 28.
Rxc5 Qxc5 29.Rc1 Qc2 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.23"]
[Round "10"]
[White "Kramer, Haije"]
[Black "Szabados, Eugenio"]
[Result "1-0"]
[ECO "D56"]
[EventDate "1950.11.11"]
[PlyCount "75"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 
Qxe7 9.Rc1 c6 10.Bd3 Nxc3 11.Rxc3 dxc4 12.Bxc4 Nd7 13.O-O b6 14.Bd3 Bb7 
15.Be4 Rfc8 16.Qc2 Nb8 17.Ne5 Na6 18.Nxc6 Bxc6 19.Bxc6 Rab8 20.a3 Rc7 21.
Qa4 Rbc8 22.Qxa6 Rxc6 23.Qxc8+ Rxc8 24.Rxc8+ Kh7 25.Rfc1 a5 26.R8c7 Qe8 
27.R1c6 b5 28.h3 b4 29.axb4 axb4 30.Rb6 Qa4 31.Rbb7 Qa1+ 32.Kh2 Qa6 33.
Rxf7 h5 34.Rxg7+ Kh6 35.h4 Qd6+ 36.g3 Qa6 37.Rgf7 Kg6 38.e4 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.23"]
[Round "10"]
[White "Pilnik, Herman"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "B52"]
[EventDate "1950.11.11"]
[PlyCount "41"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 d5 7.exd5 Qxd5 8.
d4 e6 9.Be3 Rd8 10.Qa4 Nf6 11.Ne5 cxd4 12.cxd4 Qa5 13.Qxa5 Nxa5 14.Bd2 Nc6
15.Nxc6 bxc6 16.Rc1 Rxd4 17.Rxc6 Ne4 18.Rc2 Bc5 19.Kf1 Rd5 20.Be1 Bd4 21.
Nc3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.23"]
[Round "10"]
[White "Pirc, Vasja"]
[Black "Van Scheltinga, Theodore"]
[Result "0-1"]
[ECO "A12"]
[EventDate "1950.11.11"]
[PlyCount "118"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 c6 4.b3 Bf5 5.Bb2 e6 6.c4 Be7 7.O-O O-O 8.d3 h6 9.
Nbd2 Nbd7 10.Qc2 Bh7 11.Rad1 a5 12.a3 Qb6 13.Qc3 Rfd8 14.e4 dxe4 15.dxe4 
Bf8 16.Ne1 Nc5 17.Qc2 Nfxe4 18.Bxe4 Nxe4 19.Nxe4 Rxd1 20.Nf6+ gxf6 21.Qxd1
Bg7 22.Qf3 e5 23.Ng2 Rd8 24.Rd1 Bc2 25.Rxd8+ Qxd8 26.Ne3 Qd3 27.Kg2 Qxb3 
28.Nxc2 Qxc2 29.Bc3 a4 30.Bb4 Qxc4 31.Qe3 Qd4 32.Qc1 Qd5+ 33.Kg1 e4 34.Qe3
b5 35.Qa7 f5 36.Bc5 Kh7 37.h4 Kg6 38.Qe7 Qe6 39.Qd8 f4 40.Qg8 Qe5 41.Bf8 
fxg3 42.h5+ Qxh5 43.Qxg7+ Kf5 44.Qxg3 Qg5 45.Kh2 Qxg3+ 46.Kxg3 h5 47.Kh4 
Ke5 48.Kxh5 Kd4 49.Kg5 c5 50.Kf5 c4 51.Bh6 c3 52.Bc1 Kd3 53.Bf4 b4 54.axb4
a3 55.b5 a2 56.b6 a1=Q 57.b7 Qa7 58.b8=Q Qxb8 59.Bxb8 e3 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.23"]
[Round "10"]
[White "Stahlberg, Gideon"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "D69"]
[EventDate "1950.11.11"]
[PlyCount "51"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 
dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 13.dxe5 Nxe5 14.Nxe5 
Qxe5 15.f4 Qf6 16.f5 a5 17.a4 Rb8 18.Qc2 Bd7 19.Rd3 Rbd8 20.Qd2 b5 21.axb5
cxb5 22.Bd5 Bc6 23.e4 Bxd5 24.exd5 Qb6+ 25.Qf2 Qxf2+ 26.Kxf2 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.23"]
[Round "10"]
[White "Tartacover, Xavier"]
[Black "Gudmundsson, Gudmundur"]
[Result "1/2-1/2"]
[ECO "D00"]
[EventDate "1950.11.11"]
[PlyCount "87"]

1.d4 d5 2.Bf4 e6 3.e3 Nf6 4.Nd2 c5 5.c3 Qb6 6.Rb1 Bd7 7.Ngf3 cxd4 8.exd4 
Bb5 9.Qb3 Bxf1 10.Qxb6 axb6 11.Rxf1 Nc6 12.a3 b5 13.Nb3 Ne4 14.Nfd2 Nxd2 
15.Kxd2 Na5 16.Nxa5 Rxa5 17.Rbe1 Kd7 18.Re2 Ra8 19.Rfe1 Be7 20.g4 h5 21.g5
g6 22.h4 Rhc8 23.Be5 Bf8 24.Re3 Ke8 25.Rf3 Rc6 26.Ree3 b6 27.Kd3 Rcc8 28.
Rg3 Kd7 29.Rg1 Ra6 30.Kd2 Ra7 31.Ree1 Ra6 32.Ra1 Ra7 33.Kc2 Rca8 34.Kb3 
Ra4 35.Rg3 Rc8 36.Re1 Ra7 37.Rf3 Ke8 38.Bg3 Be7 39.Re5 Bf8 40.Rfe3 Kd7 41.
Rf3 Ke8 42.Rfe3 Kd7 43.Rf3 Ke8 44.Rfe3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.25"]
[Round "11"]
[White "Donner, Jan"]
[Black "Euwe, Machgielis"]
[Result "1/2-1/2"]
[ECO "C91"]
[EventDate "1950.11.11"]
[PlyCount "53"]

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.d4 Bg4 10.a4 Qd7 11.Qd3 Bxf3 12.gxf3 exd4 13.cxd4 Nb4 14.Qf1 c5 15.Bd2 
Nc6 16.d5 Ne5 17.Bd1 c4 18.Be2 Ng6 19.Qg2 Nh5 20.Qg4 Qxg4+ 21.fxg4 Nhf4 
22.Kf1 Nxe2 23.Kxe2 Ne5 24.axb5 axb5 25.Rxa8 Rxa8 26.Na3 Rb8 27.g5 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.25"]
[Round "11"]
[White "Najdorf, Miguel"]
[Black "Foltys, Jan"]
[Result "1-0"]
[ECO "E07"]
[EventDate "1950.11.11"]
[PlyCount "67"]

1.d4 d5 2.c4 e6 3.Nf3 Be7 4.g3 Nf6 5.Bg2 O-O 6.O-O Nbd7 7.Nc3 c6 8.b3 b6 
9.Bb2 Bb7 10.e3 Rc8 11.Qe2 Qc7 12.Rac1 Qb8 13.Rfd1 Rfd8 14.Ne5 dxc4 15.
Nxd7 Rxd7 16.bxc4 Rcd8 17.e4 Rxd4 18.Rxd4 Rxd4 19.Nd5 cxd5 20.Bxd4 Nxe4 
21.cxd5 exd5 22.Bxe4 dxe4 23.Qg4 g6 24.Qd7 Bd6 25.Rd1 Ba6 26.Bxb6 Qxb6 27.
Rxd6 Qb1+ 28.Rd1 Qxa2 29.Qe8+ Kg7 30.Qe5+ Kh6 31.Qxe4 Qb3 32.Rb1 Qc3 33.
Qe7 Bd3 34.Qe3+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.25"]
[Round "11"]
[White "Trifunovic, Petar"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "D06"]
[EventDate "1950.11.11"]
[PlyCount "48"]

1.d4 d5 2.c4 c5 3.cxd5 Nf6 4.Nf3 cxd4 5.Nxd4 Nxd5 6.e4 Nb4 7.Bb5+ Bd7 8.
Nc3 N8c6 9.Nxc6 Nxc6 10.Be3 e6 11.O-O Bb4 12.Rc1 O-O 13.a3 Bxc3 14.Rxc3 
Qa5 15.Rc5 Qc7 16.f4 Rfd8 17.Qh5 Be8 18.Rc3 Qa5 19.Be2 Qxh5 20.Bxh5 e5 21.
fxe5 Nxe5 22.Rc7 Rd7 23.Rxd7 Nxd7 24.Bd4 Nf8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.25"]
[Round "11"]
[White "Golombek, Harry"]
[Black "Rossolimo, Nicolas"]
[Result "0-1"]
[ECO "E90"]
[EventDate "1950.11.11"]
[PlyCount "112"]

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.Nc3 O-O 5.Bg5 d6 6.e4 h6 7.Bh4 Bg4 8.Be2 Nbd7
9.O-O e5 10.dxe5 dxe5 11.Qc2 c6 12.Rad1 Qe7 13.h3 Bxf3 14.Bxf3 Nc5 15.Bg3 
Nh7 16.Qc1 Ne6 17.Qe3 Nhg5 18.Be2 Nd4 19.Bd3 Nge6 20.Ne2 Rad8 21.Nxd4 Rxd4
22.Be2 Qb4 23.Rxd4 Nxd4 24.Rb1 Rd8 25.Bd3 Qa4 26.Ra1 Qa5 27.Qe1 Nf3+ 28.
gxf3 Qxe1+ 29.Rxe1 Rxd3 30.Kf1 g5 31.Ke2 Rd4 32.b3 f6 33.Rd1 c5 34.Rxd4 
cxd4 35.b4 b6 36.f4 gxf4 37.Bh4 Kf7 38.f3 Ke6 39.Kd3 Kd6 40.Be1 a6 41.a3 
Kc6 42.Bd2 b5 43.c5 Bf8 44.Be1 Be7 45.Bh4 Kd7 46.Be1 Ke6 47.Bh4 Bd8 48.Be1
f5 49.Bf2 a5 50.Be1 a4 51.Bf2 Bf6 52.Be1 Be7 53.Bf2 fxe4+ 54.Kxe4 Bxc5 55.
bxc5 b4 56.c6 bxa3 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.25"]
[Round "11"]
[White "Gligoric, Svetozar"]
[Black "Kramer, Haije"]
[Result "1-0"]
[ECO "C54"]
[EventDate "1950.11.11"]
[PlyCount "131"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Bd2 Bxd2+ 8.
Nbxd2 d5 9.exd5 Nxd5 10.Qb3 Nce7 11.O-O O-O 12.Rfe1 c6 13.a4 a5 14.Ne4 Bf5
15.Ng3 Bg6 16.Ne5 Nb4 17.Nxg6 hxg6 18.Re5 Ned5 19.Rae1 Qd7 20.Ne4 Rae8 21.
Qg3 b6 22.h4 Rxe5 23.dxe5 Qf5 24.Nd6 Qc2 25.b3 Qd2 26.Re2 Qc1+ 27.Kh2 Qf4 
28.Qxf4 Nxf4 29.Rd2 Nfd5 30.g4 Rd8 31.Kg3 Kf8 32.f4 Ne3 33.Be2 Ke7 34.Kf3 
Ned5 35.Nc4 Rh8 36.Kg3 Rc8 37.Bf3 Rd8 38.f5 gxf5 39.gxf5 Rh8 40.h5 Rd8 41.
h6 gxh6 42.f6+ Kd7 43.Bh5 Rg8+ 44.Kf3 Ke6 45.Bg4+ Rxg4 46.Kxg4 b5 47.Nxa5 
bxa4 48.bxa4 Kxe5 49.Nc4+ Kxf6 50.Rh2 Kg6 51.Ne5+ Kg7 52.Kf5 f6 53.Nc4 Kf7
54.Rxh6 Ne7+ 55.Ke4 Ke6 56.Ne3 c5 57.Rh5 f5+ 58.Nxf5 Ned5 59.Ng7+ Kd6 60.
Rh6+ Kc7 61.Ne6+ Kb8 62.Nxc5 Ka7 63.Kd4 Nc7 64.Rh7 Kb8 65.Kc4 Nc6 66.Rh6 
1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.25"]
[Round "11"]
[White "Gudmundsson, Gudmundur"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[ECO "D02"]
[EventDate "1950.11.11"]
[PlyCount "190"]

1.d4 Nf6 2.Nf3 g6 3.g3 d5 4.c4 dxc4 5.Qa4+ Nfd7 6.Bg2 Bg7 7.O-O Nc6 8.Qxc4
Nb6 9.Qc2 Bxd4 10.Nxd4 Nxd4 11.Qd2 O-O 12.Rd1 e5 13.e3 Ne6 14.Qc2 Qe7 15.
b3 Rd8 16.Ba3 Rxd1+ 17.Qxd1 Qe8 18.Nc3 f6 19.f4 Nf8 20.Ne4 Kg7 21.Rc1 c6 
22.Qd6 Nd5 23.fxe5 fxe5 24.Bb2 Qe6 25.Qxe5+ Qxe5 26.Bxe5+ Kg8 27.Nf6+ Nxf6
28.Bxf6 Be6 29.Rd1 Nd7 30.Bc3 a5 31.a3 Nb6 32.Rb1 Bd5 33.e4 Be6 34.Kf2 a4 
35.Bd4 Nd7 36.b4 Rf8+ 37.Ke3 Re8 38.Rf1 Bc4 39.Rc1 Bd5 40.Kd3 Be6 41.Bf3 
h5 42.Kd2 Rc8 43.Be2 Kf7 44.Rc3 Ke7 45.Bd1 Ra8 46.Bc2 Kd6 47.Ke3 g5 48.Bd3
Re8 49.Rc1 Bh3 50.Rc2 b6 51.Rf2 c5 52.Bc3 Ne5 53.Be2 Rd8 54.Rf6+ Be6 55.
Rh6 Ng4+ 56.Bxg4 hxg4 57.Rg6 Rf8 58.Rf6 Rc8 59.Rg6 Rc7 60.Rg7 Rc8 61.Rg6 
c4 62.Kd4 Rf8 63.Rf6 Rh8 64.Rf2 Rd8 65.Ke3 Kc6 66.Rd2 Re8 67.Rf2 Bd5 68.e5
Kb5 69.Rd2 Bc6 70.Rf2 Rh8 71.e6 Rd8 72.Rf5+ Ka6 73.Bd4 Re8 74.Re5 Re7 75.
b5+ Bxb5 76.Ke4 Rc7 77.Bc3 Be8 78.e7 Rd7 79.Bd4 c3 80.Re6 c2 81.Be3 Rd1 
82.Rxb6+ Ka5 83.Rb8 Bg6+ 84.Ke5 Re1 85.Rc8 Rxe3+ 86.Kf6 Bd3 87.Kf7 Kb6 88.
Kf6 Re2 89.Kf7 Bb5 90.Rc3 Bc6 91.Kf6 Be8 92.Rc4 Rxh2 93.Rb4+ Ka7 94.Rc4 
Rh6+ 95.Kg7 Rc6 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.25"]
[Round "11"]
[White "Reshevsky, Samuel Herman"]
[Black "Pirc, Vasja"]
[Result "1/2-1/2"]
[ECO "E23"]
[EventDate "1950.11.11"]
[PlyCount "159"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4 7.Bd2 Nxd2 8.Nxd2
Bxc5 9.e3 O-O 10.Be2 f5 11.O-O-O b6 12.a3 Bb7 13.Bf3 Qh4 14.g3 Qf6 15.Qa4 
a6 16.Qc2 Be7 17.Kb1 b5 18.c5 b4 19.axb4 Nxb4 20.Qb3 Bxf3 21.Nxf3 Rab8 22.
Na4 Nd5 23.Nb6 Bxc5 24.Nxd5 Rxb3 25.Nxf6+ gxf6 26.Ka2 Rfb8 27.Rd2 R3b4 28.
Rc1 d6 29.Ne1 R4b5 30.Nd3 Bb6 31.Rdc2 Kf7 32.Rc8 Bd8 33.Rxb8 Rxb8 34.Rc6 
Rb6 35.Rxb6 Bxb6 36.Kb3 e5 37.Nb4 f4 38.Nd5 fxe3 39.fxe3 Bd8 40.e4 Kg6 41.
Kc4 f5 42.Kd3 a5 43.Ke3 Bg5+ 44.Kf3 h6 45.b3 fxe4+ 46.Kxe4 Bd2 47.Nb6 Bb4 
48.Nc4 Kf6 49.Ne3 Ke6 50.Nd5 Bd2 51.g4 Be1 52.Ne3 Bb4 53.Nd5 Bd2 54.h3 Be1
55.Ne3 Bb4 56.Nd5 Be1 57.Ne3 Bh4 58.Nd5 Kd7 59.Kd3 Kc6 60.Kc4 Be1 61.Ne7+ 
Kd7 62.Nf5 Ke6 63.Ng7+ Kf6 64.Ne8+ Ke7 65.Ng7 Bb4 66.Nf5+ Ke6 67.Nxh6 d5+ 
68.Kb5 e4 69.Nf5 Ke5 70.h4 Kf4 71.Kc6 e3 72.Nxe3 Kxe3 73.Kxd5 Kd3 74.g5 
Kc3 75.h5 Kxb3 76.g6 Bf8 77.Ke6 a4 78.Kf7 Bh6 79.g7 Bxg7 80.Kxg7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.25"]
[Round "11"]
[White "Szabados, Eugenio"]
[Black "Tartacover, Xavier"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1950.11.11"]
[PlyCount "87"]

1.d4 d6 2.e4 Nf6 3.Nc3 g6 4.f3 Bg7 5.Be3 Nbd7 6.Qd2 c6 7.Bd3 e5 8.Nge2 O-O
9.O-O Ne8 10.f4 exd4 11.Nxd4 Nc5 12.Rad1 Qe7 13.b4 Nxd3 14.cxd3 Nc7 15.Kh1
f5 16.exf5 gxf5 17.Rde1 Qf7 18.Nf3 Nd5 19.Bd4 Bxd4 20.Nxd4 Nxb4 21.Rf3 Re8
22.Rg3+ Kf8 23.Ncb5 Rxe1+ 24.Qxe1 Nd5 25.Nxd6 Qe7 26.Qe5 Qxe5 27.fxe5 f4 
28.Rg5 c5 29.N4f5 Bxf5 30.Rxf5+ Ke7 31.Rh5 Ke6 32.Nxb7 Rc8 33.Kg1 c4 34.
dxc4 Rxc4 35.Kf2 Rc7 36.Nd6 Rc2+ 37.Kf3 Rxa2 38.Ne4 Ra3+ 39.Kf2 Ra2+ 40.
Kf3 Ra3+ 41.Kf2 Ra2+ 42.Kf3 Ra3+ 43.Kf2 Ra2+ 44.Kf3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.25"]
[Round "11"]
[White "Van Scheltinga, Theodore"]
[Black "Stahlberg, Gideon"]
[Result "0-1"]
[ECO "D33"]
[EventDate "1950.11.11"]
[PlyCount "82"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 c4 7.Bg2 Bb4 8.O-O 
Nge7 9.Ne5 O-O 10.Nxc6 bxc6 11.e4 Be6 12.e5 Rb8 13.Ne2 Ba5 14.b3 Re8 15.
Bd2 Bg4 16.f3 Bf5 17.Re1 Bb6 18.Bc3 Bd3 19.Kh1 Nf5 20.Nf4 Bxd4 21.Bxd4 
Nxd4 22.Nxd3 cxd3 23.Qxd3 Qb6 24.f4 Rbd8 25.Rac1 g6 26.Qc3 Rc8 27.b4 Ne6 
28.Qd2 Red8 29.Rc2 c5 30.bxc5 Rxc5 31.Rxc5 Qxc5 32.Rc1 Qb5 33.g4 d4 34.f5 
Nf8 35.Re1 Qc5 36.e6 fxe6 37.fxe6 Qe7 38.Re5 Nxe6 39.Bd5 Rxd5 40.Rxd5 Qb7 
41.Qa5 Nc7 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.25"]
[Round "11"]
[White "Van den Berg, Carel"]
[Black "Kottnauer, Cenek"]
[Result "1/2-1/2"]
[ECO "D65"]
[EventDate "1950.11.11"]
[PlyCount "56"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Rc1 Nbd7 7.Nf3 a6 8.cxd5 
exd5 9.Bd3 c6 10.Qc2 Re8 11.O-O Nf8 12.Rb1 Ne6 13.Bxf6 Bxf6 14.Bxh7+ Kf8 
15.Bd3 g6 16.Ne2 Kg7 17.Ne5 Rh8 18.f4 c5 19.Qd2 cxd4 20.exd4 Bxe5 21.dxe5 
Qh4 22.h3 Nc5 23.f5 Nxd3 24.f6+ Kg8 25.Qxd3 Bf5 26.Rxf5 gxf5 27.Nd4 Rh5 
28.Nxf5 Qf4 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.27"]
[Round "12"]
[White "Euwe, Machgielis"]
[Black "Van den Berg, Carel"]
[Result "1-0"]
[ECO "E33"]
[EventDate "1950.11.11"]
[PlyCount "45"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 6.Bd2 e5 7.a3 Bxc3 8.Bxc3 
Qe7 9.dxe5 Nxe5 10.Nxe5 dxe5 11.e3 O-O 12.Be2 Re8 13.O-O Bd7 14.b4 Qe6 15.
Rad1 Rac8 16.Rd2 a6 17.Rfd1 b5 18.cxb5 Bxb5 19.Bxb5 axb5 20.Bb2 h6 21.h3 
Qb6 22.Rc1 c6 23.Rd6 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.27"]
[Round "12"]
[White "Rossolimo, Nicolas"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "B84"]
[EventDate "1950.11.11"]
[PlyCount "47"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6
9.Be3 Be7 10.Qe1 Bd7 11.Qg3 O-O 12.Kh1 b5 13.a3 Nxd4 14.Bxd4 Bc6 15.Rae1 
Rac8 16.Bd3 e5 17.fxe5 Nh5 18.Qf3 dxe5 19.Nd5 Bxd5 20.exd5 exd4 21.Qe4 g6 
22.Qxe7 Qxe7 23.Rxe7 f5 24.Re6 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.27"]
[Round "12"]
[White "O'Kelly de Galway, Alberic"]
[Black "Kottnauer, Cenek"]
[Result "1-0"]
[ECO "D30"]
[EventDate "1950.11.11"]
[PlyCount "57"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 e6 5.Bd3 Nbd7 6.Nbd2 Be7 7.b3 b6 8.O-O Bb7 
9.Bb2 O-O 10.Qe2 c5 11.Rad1 Qc7 12.Ne5 Rad8 13.f4 Ne4 14.cxd5 exd5 15.Nxe4
dxe4 16.Bc4 Nf6 17.dxc5 Bxc5 18.Nxf7 Rxf7 19.Bxf6 gxf6 20.Rxd8+ Qxd8 21.
Rd1 Qe7 22.Qg4+ Kh8 23.Bxf7 Qxf7 24.Rd7 Qg6 25.Qe6 h5 26.Rxb7 Bxe3+ 27.Kf1
Bxf4 28.Qc8+ Qg8 29.Qf5 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.27"]
[Round "12"]
[White "Foltys, Jan"]
[Black "Donner, Jan"]
[Result "1-0"]
[ECO "D45"]
[EventDate "1950.11.11"]
[PlyCount "125"]

1.c4 Nf6 2.Nf3 e6 3.Nc3 d5 4.d4 c6 5.e3 Nbd7 6.Qc2 Bb4 7.a3 Ba5 8.Bd3 Qe7 
9.O-O dxc4 10.Bxc4 e5 11.Bd2 Bc7 12.Ba2 O-O 13.Nb5 Bb6 14.Bb4 c5 15.dxc5 
Bxc5 16.Bxc5 Nxc5 17.Rfc1 b6 18.b4 Na6 19.Nc7 Rb8 20.Nxa6 Bxa6 21.Qc7 Rbe8
22.Rc2 Bb7 23.Rac1 Bd5 24.Bxd5 Nxd5 25.Qxe7 Rxe7 26.Rd1 Nf6 27.Kf1 g6 28.
Ke2 Kg7 29.Rc6 Ne4 30.Nd2 Nxd2 31.Rxd2 f5 32.Rdd6 Rff7 33.f3 e4 34.f4 Rd7 
35.Kd2 Rxd6+ 36.Rxd6 Rc7 37.Rd8 Kf7 38.Ra8 Rd7+ 39.Kc2 Rd3 40.Rxa7+ Ke6 
41.a4 Kd5 42.Rb7 Kc4 43.Rxb6 Rxe3 44.Kd2 Ra3 45.a5 Ra2+ 46.Ke3 Rxg2 47.a6 
Ra2 48.h4 Ra3+ 49.Kd2 Kd5 50.Rb5+ Kc6 51.Re5 Kb6 52.b5 Rh3 53.Re8 Rxh4 54.
Rb8+ Ka7 55.Rb7+ Ka8 56.Ke3 Rh1 57.Kd4 Rd1+ 58.Kc5 g5 59.fxg5 e3 60.Re7 f4
61.b6 Rd8 62.a7 e2 63.Kb5 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.27"]
[Round "12"]
[White "Kramer, Haije"]
[Black "Golombek, Harry"]
[Result "1/2-1/2"]
[ECO "B19"]
[EventDate "1950.11.11"]
[PlyCount "58"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nf3 Nd7 7.h4 h6 8.Bd3 
Bxd3 9.Qxd3 Ngf6 10.Bd2 Qc7 11.O-O-O e6 12.Kb1 O-O-O 13.Rhe1 Bd6 14.Ne4 
Nxe4 15.Qxe4 Nf6 16.Qe2 Ng4 17.c4 Kb8 18.Bc3 Rhg8 19.Nd2 Nf6 20.g3 Qe7 21.
Nf3 Bb4 22.Bxb4 Qxb4 23.Ne5 Rgf8 24.g4 Qb6 25.Rd3 Nd7 26.Red1 Kc8 27.Qe3 
Kb8 28.f4 a6 29.Kc2 Kc7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.27"]
[Round "12"]
[White "Pilnik, Herman"]
[Black "Szabados, Eugenio"]
[Result "1-0"]
[ECO "B93"]
[EventDate "1950.11.11"]
[PlyCount "141"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 g6 7.Be2 Qc7 8.O-O Bg7
9.Kh1 Nc6 10.Be3 Bd7 11.Nb3 b5 12.Qe1 Rb8 13.Nd5 Qd8 14.Bf3 O-O 15.Rd1 Ne8
16.e5 Kh8 17.c3 a5 18.Nd4 e6 19.Nf6 Nxd4 20.Bxd4 Nxf6 21.exf6 Bxf6 22.
Bxf6+ Qxf6 23.Rxd6 Rfd8 24.Qe3 Be8 25.Rfd1 Kg8 26.h3 a4 27.a3 Kf8 28.Qc5 
Kg7 29.R1d4 Rdc8 30.Qa7 h5 31.Re4 Kf8 32.Red4 Qe7 33.Qa5 Qc7 34.Qb4 Qc5 
35.Qa5 Qc7 36.Qa6 Rd8 37.Rxd8 Rxd8 38.Rxd8 Qxd8 39.Qa7 Qd6 40.Qe3 Bd7 41.
Kg1 h4 42.f5 exf5 43.Qh6+ Kg8 44.Qxh4 Qd2 45.Qd4 Qc1+ 46.Kh2 Be6 47.Qf2 
Bc4 48.h4 Qf4+ 49.Kh3 Qc1 50.Kh2 Qf4+ 51.Qg3 Qxg3+ 52.Kxg3 Kg7 53.Kf4 Kf6 
54.g3 Bf1 55.h5 gxh5 56.Bxh5 Bc4 57.Bd1 Ke6 58.Bc2 Kd6 59.Kxf5 Be6+ 60.Kf6
Kc5 61.Bd3 Bc4 62.Bxc4 Kxc4 63.Kxf7 Kb3 64.g4 Kxb2 65.g5 Kxa3 66.g6 Kb3 
67.g7 a3 68.g8=Q a2 69.Ke8+ Ka3 70.Qg1 Kb2 71.Qf2+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.27"]
[Round "12"]
[White "Pirc, Vasja"]
[Black "Gudmundsson, Gudmundur"]
[Result "1-0"]
[ECO "D30"]
[EventDate "1950.11.11"]
[PlyCount "147"]

1.Nf3 Nf6 2.d4 d5 3.c4 e6 4.Bg5 Be7 5.e3 b6 6.Nc3 Bb7 7.cxd5 Nxd5 8.Bxe7 
Qxe7 9.Bb5+ c6 10.Bd3 Nd7 11.Rc1 O-O 12.O-O Rfd8 13.Bb1 Nf8 14.Qe2 Rac8 
15.Na4 Nb4 16.Rfd1 Ba6 17.Qe1 Nd5 18.e4 Nf4 19.Rd2 Qf6 20.e5 Qh6 21.Rcd1 
Qh5 22.Qe4 N8g6 23.g3 Bc4 24.Nc3 b5 25.gxf4 b4 26.Ne1 bxc3 27.bxc3 Qg4+ 
28.Qg2 Qxf4 29.Qg3 Rb8 30.Bxg6 Qxg3+ 31.hxg3 hxg6 32.f3 Rb6 33.Ng2 Rdb8 
34.Ne3 Ba6 35.Kf2 Rb1 36.Rxb1 Rxb1 37.c4 g5 38.Rc2 Rb8 39.Nd1 f6 40.Nb2 
Kf7 41.Nd3 Bc8 42.Ke3 Rb1 43.Rc3 Ke8 44.Ra3 a6 45.Nc5 Re1+ 46.Kd2 Rg1 47.
Nxa6 Rxg3 48.Nc5 Kd8 49.Ra8 Rxf3 50.Nxe6+ Ke7 51.Rxc8 Kxe6 52.Rxc6+ Kd7 
53.d5 fxe5 54.Rg6 Ra3 55.c5 Ra5 56.c6+ Kc7 57.Rxg7+ Kc8 58.Rd7 g4 59.Ke3 
g3 60.Ke4 Ra4+ 61.Kf3 Ra3+ 62.Kg2 Kb8 63.Re7 Rd3 64.Rxe5 Kc7 65.Re7+ Kc8 
66.Rd7 Ra3 67.Kh3 Rd3 68.a4 Ra3 69.a5 Rd3 70.a6 Ra3 71.Kg2 Rd3 72.Rg7 Kb8 
73.a7+ Ka8 74.c7 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.27"]
[Round "12"]
[White "Stahlberg, Gideon"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "E29"]
[EventDate "1950.11.11"]
[PlyCount "83"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 O-O 7.Bd3 Nc6 8.Ne2 
d6 9.e4 Ne8 10.O-O b6 11.f4 f5 12.d5 Na5 13.dxe6 Bxe6 14.exf5 Bf7 15.g4 
Nxc4 16.g5 Kh8 17.Rf3 d5 18.Rh3 Bg8 19.Ng3 Ncd6 20.Qh5 c4 21.Bc2 Qe7 22.a4
Rd8 23.Nf1 Nxf5 24.Ba3 Ned6 25.Ne3 g6 26.Nxf5 Rxf5 27.Qf3 Rf7 28.Bxg6 Rg7 
29.Bc2 Qd7 30.Re1 Ne4 31.Rh6 Qf5 32.Bxe4 dxe4 33.Qxe4 Rxg5+ 34.fxg5 Qxg5+ 
35.Qg2 Qxh6 36.Bc1 Qg6 37.Qxg6 hxg6 38.Bg5 Rd7 39.Bf6+ Kh7 40.Re7+ Rxe7 
41.Bxe7 Bd5 42.Bd8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.27"]
[Round "12"]
[White "Tartacover, Xavier"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "B22"]
[EventDate "1950.11.11"]
[PlyCount "68"]

1.e4 c5 2.Nf3 Nc6 3.c3 d5 4.exd5 Qxd5 5.d4 e6 6.Be2 Nf6 7.O-O cxd4 8.cxd4 
Be7 9.Nc3 Qa5 10.Bb5 O-O 11.Ne5 Nb4 12.Qe2 a6 13.Bc4 Qd8 14.a3 Nbd5 15.Rd1
Bd7 16.Bg5 Rc8 17.Bxd5 exd5 18.Bxf6 Bxf6 19.Nxd5 Ba4 20.b3 Bxb3 21.Nxf6+ 
Qxf6 22.Nd7 Qd6 23.Nxf8 Bxd1 24.Rxd1 Kxf8 25.Qe4 Qxa3 26.Qxb7 Rd8 27.d5 
Qd6 28.g3 Rb8 29.Qa7 g6 30.Qd4 Kg8 31.Rc1 Rd8 32.Rc5 h5 33.Qc4 Kg7 34.Ra5 
Qe5 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.27"]
[Round "12"]
[White "Trifunovic, Petar"]
[Black "Van Scheltinga, Theodore"]
[Result "1-0"]
[ECO "C49"]
[EventDate "1950.11.11"]
[PlyCount "81"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3 8.bxc3 
Qe7 9.Re1 Nd8 10.d4 Ne6 11.Bc1 c5 12.Bf1 Rd8 13.d5 Nf8 14.c4 Ne8 15.g3 f5 
16.exf5 Bxf5 17.Nh4 Qd7 18.f4 exf4 19.Bxf4 Ng6 20.Nxf5 Qxf5 21.Bd3 Qf6 22.
Bxg6 hxg6 23.Rb1 g5 24.Be3 Rd7 25.Qg4 Rf7 26.Rf1 Qg6 27.Rxf7 Qxf7 28.Bxg5 
Nc7 29.Bf4 Qf6 30.Qd1 b6 31.Qd3 Re8 32.Rf1 b5 33.cxb5 Qd4+ 34.Qxd4 cxd4 
35.Bxd6 Nxb5 36.Bb4 a5 37.Bxa5 Ra8 38.Bb4 Rxa2 39.d6 Ra8 40.d7 Nc7 41.Rf8+
1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.28"]
[Round "13"]
[White "Kottnauer, Cenek"]
[Black "Euwe, Machgielis"]
[Result "0-1"]
[ECO "D36"]
[EventDate "1950.11.11"]
[PlyCount "66"]

1.c4 e6 2.Nc3 d5 3.d4 Nf6 4.Bg5 Nbd7 5.e3 c6 6.cxd5 exd5 7.Bd3 Be7 8.Qc2 
Nh5 9.Bxe7 Qxe7 10.Nge2 g6 11.O-O O-O 12.Ng3 Nxg3 13.hxg3 Nf6 14.Rfe1 Qd6 
15.a3 Kg7 16.b4 a6 17.Na4 h5 18.Qc5 Qe6 19.Nb6 Rb8 20.f3 Rd8 21.e4 dxe4 
22.fxe4 Ng4 23.Bc4 Qd6 24.Qxd6 Rxd6 25.Rad1 Be6 26.Rd3 Rbd8 27.Red1 Bxc4 
28.Nxc4 Re6 29.Nd2 Ne5 30.d5 Nxd3 31.dxe6 Ne5 32.exf7 Nxf7 33.Kf2 Rd3 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.28"]
[Round "13"]
[White "Najdorf, Miguel"]
[Black "Kramer, Haije"]
[Result "1-0"]
[ECO "E04"]
[EventDate "1950.11.11"]
[PlyCount "75"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Nbd7 6.Nbd2 Nb6 7.O-O c5 8.Nxc4 
Nxc4 9.Qa4+ Bd7 10.Qxc4 Qb6 11.b3 Bb5 12.Qc2 cxd4 13.Bb2 d3 14.exd3 Be7 
15.Ne5 O-O 16.Rac1 Rfd8 17.Rfe1 Nd5 18.Qe2 Bf6 19.Qh5 Be8 20.Be4 g6 21.Qe2
Rac8 22.Ng4 Bd4 23.Rxc8 Rxc8 24.Bxd5 exd5 25.Nh6+ Kf8 26.Qe7+ Kg7 27.Re6 
Bxb2 28.Rxb6 axb6 29.Ng4 Bc6 30.Ne5 Bxe5 31.Qxe5+ Kg8 32.a4 Re8 33.Qd4 b5 
34.a5 Re6 35.f4 h6 36.Kf2 Kh7 37.g4 f6 38.Qb6 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.28"]
[Round "13"]
[White "Van Scheltinga, Theodore"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "E39"]
[EventDate "1950.11.11"]
[PlyCount "36"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 Nc6 8.Bg5 
Nd4 9.Nxd4 Bxd4 10.e3 Qa5 11.exd4 Qxg5 12.g3 e5 13.h4 Qg4 14.dxe5 Re8 15.
Be2 Rxe5 16.O-O-O Qe6 17.Rd4 b6 18.Bf3 Rb8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.28"]
[Round "13"]
[White "Donner, Jan"]
[Black "Rossolimo, Nicolas"]
[Result "0-1"]
[ECO "E03"]
[EventDate "1950.11.11"]
[PlyCount "46"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 dxc4 5.Qa4+ Nbd7 6.Bg2 a6 7.Qxc4 b5 8.Qd3 
Bb7 9.a4 Be4 10.Qd1 c5 11.O-O cxd4 12.Nxd4 Bxg2 13.Kxg2 b4 14.f3 Rc8 15.e4
Be7 16.Be3 O-O 17.Nd2 Nc5 18.N2b3 Qd7 19.Nxc5 Bxc5 20.Nc2 Qb7 21.Qe2 Nxe4 
22.fxe4 Qxe4+ 23.Kf2 Qxc2 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.28"]
[Round "13"]
[White "Gligoric, Svetozar"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "E95"]
[EventDate "1950.11.11"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Nbd7 8.Re1 
exd4 9.Nxd4 Re8 10.Bf1 c6 11.Bf4 d5 12.cxd5 Nxd5 13.exd5 Rxe1 14.Qxe1 Bxd4
15.Rd1 Bg7 16.dxc6 bxc6 17.Bc4 Qf6 18.Qe8+ Nf8 19.Be5 Bg4 20.Qxa8 Qxe5 21.
Qxa7 Qf4 22.Be2 Bxc3 23.Bxg4 Be5 24.Bf3 Ne6 25.Qe3 Qxh2+ 26.Kf1 c5 27.g3 
Bd4 28.Qe2 Ng5 29.Rxd4 cxd4 30.Qe8+ Kg7 31.Qe5+ Kh6 32.Qf4 d3 33.Bg2 Qh5 
34.Qd2 f5 35.Qxd3 f4 36.gxf4 Ne6 37.Qh3 Qxh3 38.Bxh3 Nxf4 39.b4 Nd5 40.b5 
Nb6 41.Ke2 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.28"]
[Round "13"]
[White "Golombek, Harry"]
[Black "Tartacover, Xavier"]
[Result "1/2-1/2"]
[ECO "D63"]
[EventDate "1950.11.11"]
[PlyCount "65"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 Nbd7 6.Nf3 O-O 7.Rc1 c6 8.a3 Ne4 
9.Bxe7 Qxe7 10.Qc2 f5 11.g3 Ndf6 12.Ne5 Nd7 13.Bg2 Nxe5 14.dxe5 Bd7 15.O-O
Be8 16.Ne2 Ng5 17.h4 Nf7 18.f4 Bd7 19.Nd4 g6 20.cxd5 exd5 21.Qc5 Qxc5 22.
Rxc5 Nd8 23.Rfc1 Kf7 24.b4 a6 25.R5c3 Ne6 26.Nb3 Rab8 27.Kf2 Ke7 28.Ke2 h6
29.Rh1 Rf7 30.Kd3 Rg7 31.Nd4 Rbg8 32.Nxe6 Bxe6 33.Bf3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.28"]
[Round "13"]
[White "Gudmundsson, Gudmundur"]
[Black "Stahlberg, Gideon"]
[Result "0-1"]
[ECO "B20"]
[EventDate "1950.11.11"]
[PlyCount "42"]

1.e4 c5 2.g3 Nc6 3.Bg2 g6 4.c3 Bg7 5.d3 d6 6.Ne2 Bg4 7.Be3 Qc8 8.h3 Bd7 9.
Nd2 Nf6 10.Qc2 O-O 11.g4 Rb8 12.Ng3 b5 13.g5 Ne8 14.h4 b4 15.f4 bxc3 16.
bxc3 Nb4 17.cxb4 Bxa1 18.bxc5 dxc5 19.Bxc5 Bd4 20.Nb3 Rxb3 21.Qxb3 Qxc5 
0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.28"]
[Round "13"]
[White "Reshevsky, Samuel Herman"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "D31"]
[EventDate "1950.11.11"]
[PlyCount "36"]

1.d4 d5 2.c4 e6 3.cxd5 exd5 4.Nc3 c6 5.Nf3 Bd6 6.Bg5 Ne7 7.e4 dxe4 8.Nxe4 
Bb4+ 9.Nc3 h6 10.Bd2 Be6 11.Be2 O-O 12.O-O Nd7 13.a3 Ba5 14.b4 Bb6 15.Ne4 
Bd5 16.Nc5 Nxc5 17.dxc5 Bc7 18.Bc3 Be4 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.28"]
[Round "13"]
[White "Szabados, Eugenio"]
[Black "Pirc, Vasja"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1950.11.11"]
[PlyCount "86"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O Nbd7 7.Nc3 e5 8.e3 c6 
9.Qc2 Re8 10.Rd1 Qe7 11.b3 Nf8 12.dxe5 dxe5 13.a4 Bf5 14.e4 Bg4 15.Ba3 Qe6
16.Rd6 Qc8 17.c5 Bxf3 18.Bxf3 Ne6 19.Ne2 Ng5 20.Bg2 Qg4 21.Nc3 Nf3+ 22.
Bxf3 Qxf3 23.Qd3 Qg4 24.f3 Qh3 25.Qf1 Qc8 26.Rad1 h5 27.Nb1 Nh7 28.Nc3 Ng5
29.Ne2 Bf8 30.R6d3 Ne6 31.Rc3 b6 32.b4 a5 33.bxa5 bxc5 34.f4 Rxa5 35.f5 
Nd4 36.fxg6 fxg6 37.Nc1 Rxa4 38.Bxc5 Bxc5 39.Rxc5 Rf8 40.Qg2 Qg4 41.Rf1 
Nf3+ 42.Kh1 Qxe4 43.Ne2 Ra2 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.28"]
[Round "13"]
[White "Van den Berg, Carel"]
[Black "Foltys, Jan"]
[Result "1/2-1/2"]
[ECO "D54"]
[EventDate "1950.11.11"]
[PlyCount "56"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Rc1 h6 7.Bh4 b6 8.cxd5 Nxd5
9.Nxd5 exd5 10.Bxe7 Qxe7 11.Be2 Be6 12.Bf3 c5 13.Ne2 Nd7 14.O-O c4 15.b3 
cxb3 16.Qxb3 Nf6 17.Nf4 Qb7 18.h3 Rac8 19.a4 Qd7 20.Qb4 Rc7 21.a5 Re8 22.
Rxc7 Qxc7 23.axb6 axb6 24.Qb5 Qd6 25.Rb1 Rb8 26.Rc1 Bd7 27.Qb3 Be6 28.Nd3 
Rc8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.29"]
[Round "14"]
[White "O'Kelly de Galway, Alberic"]
[Black "Euwe, Machgielis"]
[Result "1/2-1/2"]
[ECO "C54"]
[EventDate "1950.11.11"]
[PlyCount "42"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Bd2 Bxd2+ 8.
Nbxd2 d5 9.exd5 Nxd5 10.Qb3 Nce7 11.O-O O-O 12.Rfe1 c6 13.a4 Qb6 14.a5 
Qxb3 15.Nxb3 Bf5 16.Ne5 Nb4 17.Rac1 Ned5 18.a6 b5 19.Bxd5 cxd5 20.Nc6 Nxc6
21.Rxc6 Rfe8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.29"]
[Round "14"]
[White "Tartacover, Xavier"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "B55"]
[EventDate "1950.11.11"]
[PlyCount "58"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 e5 6.Bb5+ Nbd7 7.Nf5 d5 8.exd5 
a6 9.Bxd7+ Qxd7 10.Ne3 b5 11.b3 Bc5 12.a4 Rb8 13.axb5 axb5 14.Qd3 O-O 15.
Nc3 Nh5 16.g3 f5 17.Bd2 Nf6 18.Ne2 Re8 19.c4 e4 20.fxe4 bxc4 21.bxc4 Nxe4 
22.Nd1 f4 23.Rf1 fxg3 24.hxg3 Qh3 25.Be3 Bb4+ 26.Ndc3 Bxc3+ 27.Nxc3 Qxg3+ 
28.Kd1 Nxc3+ 29.Qxc3 Rxe3 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.29"]
[Round "14"]
[White "Foltys, Jan"]
[Black "Kottnauer, Cenek"]
[Result "1/2-1/2"]
[ECO "C74"]
[EventDate "1950.11.11"]
[PlyCount "33"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 f5 6.d4 fxe4 7.Nxe5 dxe5 8.Qh5+ 
Ke7 9.Bxc6 bxc6 10.Bg5+ Nf6 11.dxe5 Qd5 12.Bh4 Ke6 13.Bxf6 gxf6 14.Qe8+ 
Kf5 15.Qh5+ Ke6 16.Qe8+ Kf5 17.Qh5+ 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.29"]
[Round "14"]
[White "Kramer, Haije"]
[Black "Donner, Jan"]
[Result "0-1"]
[ECO "C07"]
[EventDate "1950.11.11"]
[PlyCount "78"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd8 7.O-O Nc6 8.Nb3
Nf6 9.Qe2 a6 10.Rd1 b5 11.Bd3 Qb6 12.a4 b4 13.Nbxd4 Nxd4 14.Nxd4 Be7 15.
Bg5 Bb7 16.a5 Qc5 17.Be3 Qc7 18.Nf3 Nd5 19.Bb6 Nxb6 20.axb6 Qxb6 21.Ne5 
O-O 22.Bxh7+ Kxh7 23.Qh5+ Kg8 24.Rd3 f6 25.Ng6 Qc5 26.Qh3 Bc8 27.Rg3 Bd6 
28.Rg4 f5 29.Rg5 Be7 30.Rh5 Rf6 31.Rh8+ Kf7 32.Qf3 Rxg6 33.Qxa8 Bd7 34.
Qg8+ Kf6 35.Re1 Qd5 36.g3 Bc6 37.f3 Bc5+ 38.Kg2 Qxf3+ 39.Kh3 Qg4# 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.29"]
[Round "14"]
[White "Pilnik, Herman"]
[Black "Golombek, Harry"]
[Result "1-0"]
[ECO "B15"]
[EventDate "1950.11.11"]
[PlyCount "65"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 6.c3 Bd6 7.Bd3 O-O 8.
Qc2 g6 9.Ne2 Re8 10.h4 Nd7 11.h5 Nf8 12.hxg6 fxg6 13.Bh6 Be6 14.O-O-O f5 
15.Kb1 b5 16.Nc1 Qf6 17.f4 Bd5 18.Rh3 Ne6 19.Qf2 Re7 20.Bc2 b4 21.cxb4 
Bxb4 22.Nd3 Rb7 23.Ne5 Rab8 24.Bb3 Bf8 25.Bxf8 Nxf8 26.Rc1 Bxb3 27.axb3 
Rxb3 28.Rxb3 Rxb3 29.Rxc6 Qe7 30.Qc2 Rb7 31.Qc4+ Kh8 32.d5 g5 33.d6 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.29"]
[Round "14"]
[White "Pirc, Vasja"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "D00"]
[EventDate "1950.11.11"]
[PlyCount "41"]

1.Nf3 Nf6 2.d4 g6 3.Nc3 d5 4.Bf4 Bg7 5.Qc1 O-O 6.Bh6 c5 7.Bxg7 Kxg7 8.e3 
Nc6 9.Be2 cxd4 10.Nxd4 e5 11.Nxc6 bxc6 12.O-O Qe7 13.Rd1 Bb7 14.b3 Rad8 
15.Na4 Ne4 16.Bd3 Ng5 17.Qb2 f6 18.c4 d4 19.Bf1 dxe3 20.fxe3 Bc8 21.Be2 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.29"]
[Round "14"]
[White "Rossolimo, Nicolas"]
[Black "Van den Berg, Carel"]
[Result "1/2-1/2"]
[ECO "A49"]
[EventDate "1950.11.11"]
[PlyCount "62"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 d6 6.d4 Nbd7 7.O-O e5 8.c4 Re8 
9.dxe5 Ng4 10.Qd2 dxe5 11.h3 Nh6 12.Rd1 f6 13.Nc3 Nf7 14.Qc2 c6 15.Ne4 Qe7
16.a4 f5 17.Ba3 c5 18.Nc3 e4 19.Nh2 Nf6 20.Nf1 b6 21.a5 Bb7 22.Bb2 Rad8 
23.axb6 axb6 24.Ne3 Rxd1+ 25.Rxd1 Rd8 26.Rd2 Rxd2 27.Qxd2 Qd8 28.Qe1 Ne5 
29.Na4 Ne8 30.Qa1 Nc6 31.Bxg7 Nxg7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.29"]
[Round "14"]
[White "Stahlberg, Gideon"]
[Black "Szabados, Eugenio"]
[Result "1-0"]
[ECO "A30"]
[EventDate "1950.11.11"]
[PlyCount "120"]

1.c4 Nf6 2.Nf3 c5 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.b3 O-O 8.Bb2 d5 
9.cxd5 Nxd5 10.Nxd5 Bxd5 11.Rc1 Bf6 12.Qc2 Bxb2 13.Qxb2 Nd7 14.d3 Qf6 15.
Qa3 Rfd8 16.Nd2 Bxg2 17.Kxg2 Ne5 18.b4 cxb4 19.Qxb4 Rdc8 20.Qe4 Ng6 21.Rc4
Qe5 22.Rfc1 Qxe4+ 23.Nxe4 Rxc4 24.Rxc4 Kf8 25.Rc7 Ne7 26.Rb7 f6 27.Nd6 Nc6
28.Nb5 Rb8 29.Rc7 Nd8 30.Rxa7 Rb7 31.Ra8 Ke7 32.f4 Rd7 33.Kf3 Nc6 34.Ke3 
Nb4 35.a3 Nd5+ 36.Kd2 f5 37.Rg8 Kf6 38.Rb8 e5 39.Nc3 exf4 40.gxf4 Nxf4 41.
Rxb6+ Kg5 42.a4 Ra7 43.Rb2 Ne6 44.Ra2 Nc5 45.Ra3 Kf6 46.Ke3 g5 47.a5 h5 
48.Nd5+ Ke6 49.Nb4 f4+ 50.Kf3 Nd7 51.a6 Kf5 52.Ra5+ Kf6 53.Nc6 Rc7 54.a7 
Nb6 55.Nb4 Rc8 56.Ra6 Kf5 57.Rxb6 g4+ 58.Kf2 h4 59.Rb5+ Kg6 60.Rb8 Rc1 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.29"]
[Round "14"]
[White "Trifunovic, Petar"]
[Black "Gudmundsson, Gudmundur"]
[Result "1-0"]
[ECO "C13"]
[EventDate "1950.11.11"]
[PlyCount "115"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 a6 7.Qg4 f5 8.Qh5+ g6 
9.Qh6 Bxg5 10.hxg5 Kf7 11.g4 Nf8 12.O-O-O Rg8 13.gxf5 exf5 14.Nh3 Be6 15.
Nf4 Rg7 16.Rd3 c6 17.Bg2 Kg8 18.Kb1 b5 19.Nce2 Raa7 20.Rc3 b4 21.Rch3 Rae7
22.Nd3 Qb6 23.Qh4 Bc8 24.Nc5 Nbd7 25.Nxd7 Rxd7 26.Rd1 a5 27.Nf4 Rd8 28.Re3
Ne6 29.Nxe6 Bxe6 30.Red3 Rb8 31.f4 Rgb7 32.Qf2 a4 33.Qd2 Qa7 34.Rh3 Rb6 
35.Bf1 R8b7 36.Be2 Rb8 37.Rdh1 R6b7 38.Rd1 Rb6 39.Bf1 R6b7 40.Rc1 Qa5 41.
Rd3 Qb6 42.Qe3 Rc7 43.Be2 Kg7 44.Bf3 Qa7 45.c3 Rcb7 46.Rd2 Qa5 47.Be2 Rc7 
48.cxb4 Qxb4 49.Rc5 h6 50.gxh6+ Kxh6 51.a3 Qb6 52.Bd1 Qa6 53.Qh3+ Kg7 54.
Rh2 Bg8 55.Qh8+ Kf8 56.Qf6+ Ke8 57.Qxg6+ Kf8 58.Qd6+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.29"]
[Round "14"]
[White "Van Scheltinga, Theodore"]
[Black "Reshevsky, Samuel Herman"]
[Result "0-1"]
[ECO "E33"]
[EventDate "1950.11.11"]
[PlyCount "118"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 6.Bd2 a5 7.a3 Bxc3 8.Bxc3 
Qe7 9.e3 e5 10.dxe5 dxe5 11.h3 O-O 12.Be2 g6 13.b3 Bf5 14.Qb2 Rfe8 15.O-O 
Ne4 16.Rfd1 Nc5 17.Be1 Na6 18.Nh2 h5 19.Nf1 h4 20.Nh2 Rad8 21.Ng4 Kh7 22.
Bf3 Bxg4 23.Bxg4 Nc5 24.Be2 Qe6 25.b4 axb4 26.axb4 Ne4 27.Qc2 Ng5 28.c5 e4
29.Bc4 Qf5 30.f4 exf3 31.Qxf5 gxf5 32.Bxh4 f6 33.Bxg5 fxg5 34.Bd3 Kg6 35.
g4 Kf6 36.Bxf5 Rxd1+ 37.Rxd1 Rxe3 38.b5 Ne5 39.b6 cxb6 40.Rd6+ Kf7 41.Rxb6
Re1+ 42.Kf2 Re2+ 43.Kg1 Nc4 44.Rxb7+ Kf6 45.Rb3 Ne3 46.Rxe3 Rxe3 47.Kf2 
Rc3 48.c6 Ke5 49.c7 Rxc7 50.Kxf3 Rc3+ 51.Kg2 Kf4 52.Kh2 Ra3 53.Kg2 Ra2+ 
54.Kf1 Kg3 55.Bd7 Rf2+ 56.Ke1 Rf4 57.Bf5 Kxh3 58.Ke2 Kg3 59.Ke3 Rxg4 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.30"]
[Round "15"]
[White "Euwe, Machgielis"]
[Black "Foltys, Jan"]
[Result "1/2-1/2"]
[ECO "D50"]
[EventDate "1950.11.11"]
[PlyCount "38"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c6 5.e3 Qa5 6.Bxf6 gxf6 7.cxd5 cxd5 8.Bd3 
Nc6 9.Ne2 Bd7 10.a3 f5 11.Nf4 Qd8 12.Qh5 Qf6 13.g3 Bd6 14.Rc1 Rc8 15.O-O 
Bxf4 16.gxf4 Qg6+ 17.Qxg6 hxg6 18.Na4 Ke7 19.Nc5 Rc7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.30"]
[Round "15"]
[White "Najdorf, Miguel"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "E94"]
[EventDate "1950.11.11"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O exd4 8.Nxd4 
Re8 9.f3 c6 10.Nc2 Be6 11.Be3 Qc7 12.f4 Bc8 13.Bf3 Nbd7 14.h3 Nb6 15.b3 
Nfd5 16.cxd5 Bxc3 17.Rc1 Bb2 18.Rb1 Bg7 19.dxc6 bxc6 20.Bd4 f5 21.Bxg7 
Qxg7 22.exf5 Bxf5 23.Rc1 d5 24.Nd4 Be4 25.Rxc6 Bxf3 26.Nxf3 Qd7 27.Rc2 Re4
28.Ne5 Qf5 29.Ng4 Kh8 30.Rc5 Qf8 31.Qc1 Rae8 32.Rc7 d4 33.Qc6 R4e7 34.Ne5 
Nd5 35.Rxe7 Nxe7 36.Qd7 Nf5 37.g4 Re7 38.Qd5 Ng3 39.Re1 Kg7 40.Qxd4 Qf6 
41.Kg2 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.30"]
[Round "15"]
[White "Reshevsky, Samuel Herman"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1-0"]
[ECO "D77"]
[EventDate "1950.11.11"]
[PlyCount "71"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.c4 c5 6.d4 d5 7.dxc5 dxc4 8.Qc2 
Qd5 9.Na3 Qxc5 10.Qxc4 Qh5 11.Ng5 Nc6 12.h3 Ne5 13.Qb5 h6 14.Qxe5 hxg5 15.
g4 Qh8 16.Qxg5 Be6 17.Nb5 Rac8 18.Nc3 Rc4 19.e4 Re8 20.Be3 a6 21.Qa5 Nd7 
22.Rac1 Be5 23.Nd5 Rxc1 24.Rxc1 Bd6 25.Qd2 Bxd5 26.exd5 Qe5 27.Re1 Qh2+ 
28.Kf1 f5 29.gxf5 gxf5 30.Bd4 Qf4 31.Re3 Kh7 32.Qd1 Qg5 33.h4 Qg6 34.Re6 
Qg4 35.Qxg4 fxg4 36.Be4+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.30"]
[Round "15"]
[White "Donner, Jan"]
[Black "Tartacover, Xavier"]
[Result "1-0"]
[ECO "D07"]
[EventDate "1950.11.11"]
[PlyCount "77"]

1.d4 d5 2.c4 Nc6 3.Nf3 Bg4 4.Qa4 Bxf3 5.exf3 e6 6.Nc3 dxc4 7.Be3 a6 8.Qxc4
Bd6 9.Be2 Nge7 10.O-O b5 11.Qd3 Nb4 12.Qd2 Nbd5 13.a4 b4 14.Nxd5 Nxd5 15.
Bc4 Nxe3 16.Qxe3 O-O 17.a5 Qf6 18.Rfd1 e5 19.d5 Rfe8 20.g3 Qg6 21.Rdc1 e4 
22.f4 h5 23.Bb3 h4 24.Rc6 Qh5 25.Re1 g6 26.Qd4 hxg3 27.hxg3 Bxf4 28.Rxe4 
Qf3 29.Bc2 Bd6 30.Rxa6 Rab8 31.Rc6 f5 32.Re3 Rxe3 33.Qxe3 Qxe3 34.fxe3 Rb5
35.a6 Ra5 36.Kf2 Kg7 37.Bd3 Rxd5 38.a7 Bc5 39.a8=Q 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.30"]
[Round "15"]
[White "Gligoric, Svetozar"]
[Black "Stahlberg, Gideon"]
[Result "1/2-1/2"]
[ECO "B91"]
[EventDate "1950.11.11"]
[PlyCount "119"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 Bg4 7.Qd3 Nc6 8.Nxc6 
bxc6 9.Bg2 Bd7 10.h3 e5 11.O-O h6 12.Be3 Be7 13.Rad1 O-O 14.f4 exf4 15.
gxf4 Qa5 16.a3 Rfd8 17.b4 Qc7 18.Bd4 Be6 19.f5 Bc8 20.Qg3 Bb7 21.Bf3 Ne8 
22.Kh1 c5 23.bxc5 dxc5 24.Be5 Qb6 25.Rb1 Qa7 26.Rg1 f6 27.Bf4 Bd6 28.Bxd6 
Rxd6 29.Rxb7 Qxb7 30.e5 Rc6 31.Qg2 Rac8 32.Bxc6 Rxc6 33.Nd5 fxe5 34.Ne7+ 
Qxe7 35.Qxc6 Nd6 36.Rd1 Nf7 37.Qe6 Qh4 38.Qb3 Qe4+ 39.Kg1 c4 40.Qc3 Ng5 
41.Rf1 Qe2 42.Qg3 Ne4 43.Qg2 Qe3+ 44.Kh2 Nf6 45.Rg1 Qa7 46.Rb1 e4 47.Qg3 
Kh7 48.Rb8 Ng8 49.Rb1 Nf6 50.Kg2 Qd7 51.Rf1 Qd5 52.Kh2 Kh8 53.Rg1 Qd7 54.
Rg2 Kh7 55.Qe5 Kh8 56.Qc5 Kh7 57.Rf2 Qf7 58.Rg2 Qd7 59.Qxc4 Qxf5 60.Qc7 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.30"]
[Round "15"]
[White "Golombek, Harry"]
[Black "Pirc, Vasja"]
[Result "0-1"]
[ECO "E39"]
[EventDate "1950.11.11"]
[PlyCount "54"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Nf3 Na6 7.a3 Bxc3+ 8.Qxc3
Nxc5 9.b4 Nce4 10.Qd4 a5 11.Bb2 axb4 12.axb4 Rxa1+ 13.Bxa1 d6 14.Nd2 e5 
15.Qe3 Nxd2 16.Qxd2 Ne4 17.Qe3 Bf5 18.g4 Qa8 19.Qc1 Qa4 20.Bc3 Rc8 21.f3 
Nxc3 22.Qxc3 Be6 23.e4 Qa2 24.c5 dxc5 25.bxc5 Qa7 26.Qxe5 Rxc5 27.Qb2 Ra5 
0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.30"]
[Round "15"]
[White "Gudmundsson, Gudmundur"]
[Black "Van Scheltinga, Theodore"]
[Result "1-0"]
[ECO "D30"]
[EventDate "1950.11.11"]
[PlyCount "97"]

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 Bb4+ 5.Bd2 Be7 6.Nc3 dxc4 7.e3 a6 8.Bxc4 
b5 9.Be2 Bb7 10.O-O Nbd7 11.Ne1 c5 12.Bf3 Bxf3 13.Nxf3 O-O 14.Ne2 Qb6 15.
Ng3 Rfd8 16.Qe2 cxd4 17.Nxd4 Ne5 18.Rfd1 Bc5 19.Nb3 Nc4 20.Nxc5 Qxc5 21.
Be1 Rac8 22.Rac1 Rxd1 23.Qxd1 Qd5 24.Qxd5 Nxd5 25.b3 Nd6 26.Rxc8+ Nxc8 27.
Ne4 Ncb6 28.Nc5 Nc7 29.Ba5 Nba8 30.Kf1 Kf8 31.Ke2 Ke7 32.Kd3 f6 33.Bb4 Kd8
34.Kd4 e5+ 35.Ke4 Ke8 36.f4 exf4 37.exf4 Kf7 38.g3 h5 39.Ba5 g6 40.Bb4 Nb6
41.Ba5 Nba8 42.Kd4 Ke7 43.Ne4 f5 44.Ng5 Kd6 45.Nf7+ Ke6 46.Ne5 h4 47.Kc5 
g5 48.Kc6 Nd5 49.Nd3 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.30"]
[Round "15"]
[White "Kottnauer, Cenek"]
[Black "Rossolimo, Nicolas"]
[Result "1/2-1/2"]
[ECO "D14"]
[EventDate "1950.11.11"]
[PlyCount "32"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 7.e3 e6 8.Bd3 
Bxd3 9.Qxd3 Bd6 10.O-O O-O 11.Bxd6 Qxd6 12.Rfc1 e5 13.dxe5 Nxe5 14.Nxe5 
Qxe5 15.h3 Rfd8 16.Rd1 Rd7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.30"]
[Round "15"]
[White "Szabados, Eugenio"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "A44"]
[EventDate "1950.11.11"]
[PlyCount "83"]

1.d4 c5 2.d5 e5 3.e4 d6 4.Bd3 g6 5.Ne2 Bg7 6.O-O Nd7 7.Nd2 Nh6 8.Nc4 Nb6 
9.h3 Nxc4 10.Bxc4 O-O 11.f4 exf4 12.Bxf4 f6 13.Qd2 Nf7 14.c3 Bd7 15.a4 Re8
16.Qc2 Re7 17.Bd3 Qc7 18.c4 Rf8 19.Nc3 a6 20.Kh1 Ree8 21.Bg3 Qd8 22.Rae1 
Bh6 23.Nb1 Ne5 24.b3 Qa5 25.Re2 b5 26.Be1 Qb6 27.axb5 axb5 28.Bd2 Bxd2 29.
Nxd2 b4 30.Nf3 Ra8 31.Nxe5 dxe5 32.Qd2 Kg7 33.Ref2 Qd6 34.Qe3 Ra3 35.Bc2 
Ra2 36.Qg3 Ra6 37.Qh4 Qe7 38.Rd2 Qd6 39.Qg3 Rfa8 40.Rdf2 Ra1 41.Bb1 Rf8 
42.Qe3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.11.30"]
[Round "15"]
[White "Van den Berg, Carel"]
[Black "Kramer, Haije"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1950.11.11"]
[PlyCount "105"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.Nf3 O-O 6.Qc2 Nbd7 7.cxd5 exd5 8.e3 
c6 9.Bd3 Re8 10.O-O Nf8 11.Rab1 g6 12.b4 a6 13.a4 Ne6 14.Bh4 Ng7 15.b5 
axb5 16.axb5 Bf5 17.bxc6 bxc6 18.Ne5 Rc8 19.Rb7 Bxd3 20.Qxd3 Rc7 21.Rxc7 
Qxc7 22.Rc1 Qb7 23.Qb1 Qa6 24.Na2 Ra8 25.Nb4 Bxb4 26.Qxb4 Ne4 27.f3 Nf5 
28.fxe4 Nxh4 29.Qe7 Qe2 30.Qxf7+ Kh8 31.Qf2 Qxf2+ 32.Kxf2 Ra2+ 33.Kg3 Nxg2
34.Ng4 h5 35.Rg1 hxg4 36.Rxg2 Ra3 37.Kf4 dxe4 38.Rxg4 Kg7 39.Rg2 Rc3 40.
Kxe4 Kf6 41.Kf4 Rc1 42.Ke4 Rc3 43.Ra2 Ke6 44.Ra5 Rc2 45.Rc5 Rxh2 46.Rxc6+ 
Kf7 47.Rc1 Rg2 48.Kd5 g5 49.e4 g4 50.Kd6 g3 51.e5 Rd2 52.e6+ Ke8 53.Rc8# 
1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.02"]
[Round "16"]
[White "Rossolimo, Nicolas"]
[Black "Euwe, Machgielis"]
[Result "1/2-1/2"]
[ECO "C47"]
[EventDate "1950.11.11"]
[PlyCount "34"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.
exd5 cxd5 9.O-O O-O 10.Bg5 Be6 11.Qf3 Be7 12.h3 h6 13.Bf4 Bd6 14.Rad1 Bxf4
15.Qxf4 c6 16.Rfe1 Qb8 17.Qxb8 Raxb8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.02"]
[Round "16"]
[White "Pirc, Vasja"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "D78"]
[EventDate "1950.11.11"]
[PlyCount "48"]

1.Nf3 Nf6 2.d4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d5 6.c4 c6 7.b3 Ne4 8.Bb2 a5 9.
Nc3 Nxc3 10.Bxc3 a4 11.Qd2 Nd7 12.cxd5 cxd5 13.Bb4 Re8 14.Rac1 axb3 15.
axb3 Qb6 16.Ra1 Rxa1 17.Rxa1 Nb8 18.Qc3 Nc6 19.Bc5 Qc7 20.e3 Bf5 21.Ba3 
Be4 22.Bb2 Qb6 23.Ne5 Bxg2 24.Kxg2 Nxe5 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.02"]
[Round "16"]
[White "O'Kelly de Galway, Alberic"]
[Black "Foltys, Jan"]
[Result "1/2-1/2"]
[ECO "D45"]
[EventDate "1950.11.11"]
[PlyCount "70"]

1.d4 d5 2.Nf3 c6 3.c4 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Qc2 Bb4 7.a3 Ba5 8.Be2 O-O 
9.O-O Qe7 10.Bd2 dxc4 11.Bxc4 e5 12.Ba2 Bc7 13.Nb5 Bb6 14.Bb4 c5 15.dxc5 
Bxc5 16.Bxc5 Nxc5 17.Rfc1 Nce4 18.Qc7 Re8 19.Nxe5 Qxe5 20.Bxf7+ Kh8 21.
Bxe8 Qxe8 22.Nd6 Nxd6 23.Qxd6 Bd7 24.Qd4 Bc6 25.f3 Rd8 26.Qxa7 Rd2 27.Rd1 
Rxb2 28.Qd4 Re2 29.Re1 Bxf3 30.Rxe2 Bxe2 31.e4 Qxe4 32.Qxe4 Nxe4 33.Re1 
Bd3 34.Re3 Bc2 35.Re2 Bd3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.02"]
[Round "16"]
[White "Kramer, Haije"]
[Black "Kottnauer, Cenek"]
[Result "1/2-1/2"]
[ECO "D42"]
[EventDate "1950.11.11"]
[PlyCount "116"]

1.d4 Nf6 2.Nf3 c5 3.c4 e6 4.Nc3 d5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 cxd4 8.exd4 
g6 9.Bg5 Qa5 10.O-O Bg7 11.Qd2 h6 12.Nxd5 Qxd5 13.Be3 Bd7 14.Bc2 Ne7 15.
Bb3 Qh5 16.Ne5 Bc6 17.Nxc6 Nxc6 18.d5 exd5 19.Qxd5 Qxd5 20.Bxd5 O-O 21.
Rac1 Rfc8 22.b3 Nd4 23.Bxb7 Ne2+ 24.Kh1 Nxc1 25.Bxc8 Nxa2 26.Ba6 Nc3 27.
Rc1 Rd8 28.g3 h5 29.Kg2 Rd7 30.Bc4 Na2 31.Rc2 Nb4 32.Rd2 Rxd2 33.Bxd2 a5 
34.Be3 Bc3 35.Bb6 Nc6 36.Bd5 Nd4 37.f3 Kg7 38.Bd8 Nf5 39.Kf2 Bb4 40.Ke2 
Nd6 41.Kd3 f6 42.h3 f5 43.Kd4 Be1 44.g4 hxg4 45.hxg4 fxg4 46.fxg4 Bb4 47.
Ke5 Nf7+ 48.Bxf7 Kxf7 49.Kd5 Ke8 50.Bb6 Kd7 51.Bd4 Bd2 52.Bf2 Bb4 53.Bb6 
Bd2 54.Kc5 Ke6 55.Kb5 Ke5 56.Bxa5 Be3 57.Bc7+ Ke4 58.Kc6 Bd2 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.02"]
[Round "16"]
[White "Pilnik, Herman"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[ECO "C12"]
[EventDate "1950.11.11"]
[PlyCount "64"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Bd3 
Nxd2 9.Qxd2 c5 10.f4 Qa5 11.Nf3 Nc6 12.dxc5 Qxc5 13.Nd4 Bd7 14.Rb1 Na5 15.
Nb5 Bxb5 16.Bxb5+ Nc6 17.Qd4 Qxb5 18.Rxb5 Nxd4 19.cxd4 b6 20.Kd2 Rc8 21.c3
Rc4 22.Rb4 Rxb4 23.cxb4 Kd7 24.Rc1 Rc8 25.Rxc8 Kxc8 26.g4 g6 27.h4 Kd7 28.
b5 Ke7 29.Ke3 Kd7 30.h5 gxh5 31.Kf3 Ke7 32.gxh5 Kd7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.02"]
[Round "16"]
[White "Reshevsky, Samuel Herman"]
[Black "Gudmundsson, Gudmundur"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1950.11.11"]
[PlyCount "69"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.cxd5 exd5 5.Bg5 Be7 6.Nc3 c6 7.Qc2 O-O 8.Bf4 
Re8 9.e3 Nbd7 10.Bd3 Nf8 11.h3 Bd6 12.Bxd6 Qxd6 13.O-O b6 14.Rfd1 Bb7 15.
Rab1 Qe7 16.b4 Ne4 17.a4 Rac8 18.Qb2 Rc7 19.Rbc1 g5 20.b5 c5 21.dxc5 Nxc3 
22.Qxc3 bxc5 23.a5 Ne6 24.Bb1 f6 25.Ba2 Rd7 26.a6 Ba8 27.e4 dxe4 28.Rxd7 
Qxd7 29.Qxf6 exf3 30.Rxc5 h6 31.Re5 Qd1+ 32.Kh2 fxg2 33.Qg6+ Kf8 34.Qxh6+ 
Kf7 35.Qh7+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.02"]
[Round "16"]
[White "Stahlberg, Gideon"]
[Black "Golombek, Harry"]
[Result "1-0"]
[ECO "E14"]
[EventDate "1950.11.11"]
[PlyCount "57"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.Nc3 cxd4 8.exd4 
O-O 9.d5 exd5 10.Nxd5 Nxd5 11.cxd5 Bf6 12.Rb1 Re8 13.Bf4 g6 14.Bc2 Na6 15.
Qd2 Rc8 16.Rfd1 Nc5 17.Ng5 Ba6 18.Re1 Rxe1+ 19.Rxe1 Bxb2 20.Bxg6 hxg6 21.
Qxb2 Nd3 22.Qa3 Bc4 23.Bd2 Nxe1 24.Qh3 Bxd5 25.Qh7+ Kf8 26.Qh8+ Ke7 27.
Qe5+ Be6 28.Ne4 d5 29.Bg5+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.02"]
[Round "16"]
[White "Tartacover, Xavier"]
[Black "Van den Berg, Carel"]
[Result "1/2-1/2"]
[ECO "B20"]
[EventDate "1950.11.11"]
[PlyCount "108"]

1.e4 c5 2.Ne2 Nf6 3.Nbc3 d5 4.exd5 Nxd5 5.Nxd5 Qxd5 6.Nc3 Qd8 7.Bb5+ Bd7 
8.Bxd7+ Qxd7 9.O-O Nc6 10.d3 g6 11.Be3 b6 12.Qd2 Nd4 13.Rac1 Nf5 14.Ne4 
Bg7 15.b4 cxb4 16.Qxb4 O-O 17.a4 Rfd8 18.Rfe1 Rac8 19.Re2 Qc7 20.Rce1 Qe5 
21.Ng3 Qd6 22.Qxd6 Nxd6 23.Bg5 f6 24.Bc1 e5 25.f4 Nf7 26.fxe5 Nxe5 27.Bb2 
Nc6 28.Bc3 Nd4 29.Bxd4 Rxd4 30.Re8+ Rxe8 31.Rxe8+ Kf7 32.Re4 f5 33.Rxd4 
Bxd4+ 34.Kf1 Ke6 35.Ke2 Kd5 36.Kd2 Bg1 37.h3 Bh2 38.Ne2 Kc5 39.Kc3 Bc7 40.
d4+ Kd5 41.Kd3 h6 42.Nc3+ Kc6 43.Nb5 Bb8 44.Kc4 a6 45.d5+ Kd7 46.Nd4 Bg3 
47.Nc6 Kd6 48.Nb4 a5 49.Nc6 Bf2 50.Nd8 Kc7 51.Ne6+ Kd6 52.Nd8 Kc7 53.Ne6+ 
Kd6 54.Nd8 Kc7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.02"]
[Round "16"]
[White "Trifunovic, Petar"]
[Black "Gligoric, Svetozar"]
[Result "1/2-1/2"]
[ECO "D49"]
[EventDate "1950.11.11"]
[PlyCount "44"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 Nf6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.e5 cxd4 11.Nxb5 Ng4 12.Qa4 Bb7 13.Nbxd4 Qb6 14.O-O Bc5 15.h3 
Bxf3 16.hxg4 Bd5 17.Nb3 O-O 18.Qxd7 Bxb3 19.Bxh7+ Kxh7 20.Qd3+ Kg8 21.Qxb3
Qxb3 22.axb3 Rfb8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.02"]
[Round "16"]
[White "Van Scheltinga, Theodore"]
[Black "Szabados, Eugenio"]
[Result "1-0"]
[ECO "D53"]
[EventDate "1950.11.11"]
[PlyCount "99"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 Nbd7 5.Bg5 Be7 6.e3 h6 7.Bh4 Ne4 8.Bxe7 
Qxe7 9.Rc1 c6 10.Bd3 Nxc3 11.Rxc3 O-O 12.cxd5 exd5 13.O-O Re8 14.Qb1 Qd6 
15.b4 a6 16.Rfc1 Nf8 17.a4 f6 18.h3 Be6 19.b5 axb5 20.axb5 Bd7 21.Qb2 Rec8
22.bxc6 bxc6 23.Rb3 Ne6 24.Rb6 Qa3 25.Qxa3 Rxa3 26.Bf5 Kf7 27.Rb7 Ke7 28.
Bxe6 Kxe6 29.Nd2 Kd6 30.Nb3 Rc7 31.Rb6 Ra8 32.Nc5 Be8 33.Rcb1 Rac8 34.Rb7 
Bd7 35.Na6 Rxb7 36.Rxb7 g6 37.Kh2 Re8 38.Nc5 Re7 39.Kg3 Bc8 40.Rb8 Kc7 41.
Ra8 Kd8 42.h4 g5 43.Ra1 Rg7 44.hxg5 Rxg5+ 45.Kh2 Rh5+ 46.Kg1 Rg5 47.Ra7 
Bh3 48.Kh2 Bf5 49.Rf7 Rg6 50.Nb7+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.04"]
[Round "17"]
[White "Euwe, Machgielis"]
[Black "Kramer, Haije"]
[Result "1-0"]
[ECO "E38"]
[EventDate "1950.11.11"]
[PlyCount "45"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Nc6 6.Nf3 Bxc5 7.Bg5 Nd4 8.Nxd4
Bxd4 9.Nb5 Be5 10.O-O-O d5 11.f4 Bb8 12.cxd5 Bd7 13.dxe6 fxe6 14.Kb1 Qa5 
15.Bxf6 gxf6 16.e3 a6 17.Nc3 Ke7 18.Bc4 b5 19.Qe4 Bd6 20.Rxd6 Kxd6 21.Rd1+
Ke7 22.Rxd7+ Kxd7 23.Qb7+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.04"]
[Round "17"]
[White "Najdorf, Miguel"]
[Black "Stahlberg, Gideon"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1950.11.11"]
[PlyCount "199"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O a6 7.Bf4 b5 8.e5 Nfd7 
9.a4 bxa4 10.Re1 Nb6 11.Nxa4 Nxa4 12.Rxa4 Nd7 13.Qc1 Nb6 14.Ra3 a5 15.Bh6 
Bf5 16.Nh4 Be6 17.Rg3 dxe5 18.dxe5 Qd4 19.Nf3 Qa4 20.Bd3 Rad8 21.Bxg7 Kxg7
22.Re4 Qc6 23.Rh4 h5 24.Nd4 Rxd4 25.Rxd4 Qc5 26.Qe3 Rb8 27.h3 Nd5 28.Qe4 
Kf8 29.b3 Nb4 30.Qe3 Kg7 31.Rh4 Nxd3 32.Qxd3 Qxe5 33.Qc3 Rb5 34.Qxe5+ Rxe5
35.Rc3 c5 36.Ra4 c4 37.bxc4 Bd7 38.Ra1 Rc5 39.f3 e5 40.Kf2 a4 41.Rb1 Ra5 
42.Ra3 Kf6 43.Ke3 Ke7 44.Rb6 Ra7 45.Kd3 g5 46.c5 Rc7 47.Kc4 g4 48.hxg4 
hxg4 49.fxg4 Bc6 50.g5 e4 51.Kd4 Rc8 52.Ke5 Kd7 53.Ra6 Re8+ 54.Kd4 Rd8 55.
Rh3 Kc7+ 56.Ke3 Bb5 57.Rb6 Bc4 58.Kxe4 Bd5+ 59.Kf4 Ra8 60.Ra3 Bc6 61.Ke5 
Ra5 62.Kd4 Ra8 63.Rb1 Rd8+ 64.Kc4 Rd2 65.Rf1 Rxc2+ 66.Kb4 Bd5 67.Rxa4 Rb2+
68.Kc3 Rxg2 69.Rf5 Rg3+ 70.Kd2 Kc6 71.Rd4 Be6 72.Re5 Kc7 73.Ke2 Ba2 74.Kf2
Rc3 75.Rd2 Bc4 76.Re3 Rc1 77.Kg3 Be6 78.Re5 Rc4 79.Kf2 Rg4 80.Rd3 Bc4 81.
Rg3 Rd4 82.Ke3 Rd3+ 83.Kf4 Rd1 84.Kf5 Rf1+ 85.Ke4 Ra1 86.Kd4 Ra4 87.Re4 
Bd3+ 88.Kxd3 Ra3+ 89.Kd4 Rxg3 90.Re5 Kd7 91.Rd5+ Ke6 92.c6 Rg4+ 93.Kc5 Rg1
94.Rd8 Rc1+ 95.Kb6 Rb1+ 96.Kc7 Ke7 97.Rb8 Rc1 98.Rb2 f5 99.gxf6+ Kxf6 100.
Kb7 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.04"]
[Round "17"]
[White "Gudmundsson, Gudmundur"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "D77"]
[EventDate "1950.11.11"]
[PlyCount "209"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d5 6.c4 dxc4 7.Na3 c3 8.bxc3 c5
9.Nc4 Be6 10.Nce5 cxd4 11.cxd4 Bd5 12.Ba3 Nc6 13.Qa4 Nd7 14.Rad1 Nb6 15.
Qc2 f5 16.Nxc6 Bxc6 17.Ng5 Bxg2 18.Kxg2 Bf6 19.Nh3 Rc8 20.Qb1 Qd7 21.Nf4 
Nd5 22.Qb3 Rfd8 23.Rc1 e6 24.e3 Nxf4+ 25.gxf4 Qd5+ 26.Qxd5 exd5 27.Rc5 b6 
28.Rxc8 Rxc8 29.Rc1 Rxc1 30.Bxc1 Be7 31.Kf1 Kg7 32.f3 Kh6 33.Bd2 Kh5 34.
Be1 Bd6 35.Ke2 b5 36.h3 a6 37.Kd3 Kh6 38.Bd2 Kh5 39.Be1 Kh6 40.Bd2 Kg7 41.
e4 Kf7 42.e5 Be7 43.Be1 Ke6 44.Kc2 Kd7 45.Kb3 Kc6 46.a3 Kb6 47.Kb2 a5 48.
Kb3 Bd8 49.Kb2 Kc6 50.Kb3 Bb6 51.Bc3 Kd7 52.Kc2 Kc7 53.Bb2 Kc6 54.Bc3 b4 
55.axb4 axb4 56.Bxb4 Bxd4 57.Kd3 Bf2 58.Bd2 Kd7 59.Be3 Bg3 60.Kd4 Ke6 61.
Kd3 h6 62.Bd2 Bf2 63.Bc1 Bc5 64.Bd2 Be7 65.Be1 g5 66.Bd2 gxf4 67.Bxf4 Bg5 
68.Bh2 f4 69.Kd4 h5 70.Bg1 Bh4 71.Kd3 Kxe5 72.Bb6 Be7 73.Bc7+ Bd6 74.Bd8 
Kf5 75.Kd4 Ke6 76.Kd3 Bc5 77.Bg5 Be3 78.Bd8 Kd6 79.Bf6 Kc6 80.Kc3 Kb5 81.
Be5 Kc5 82.Bf6 Kd6 83.Kd3 Ke6 84.Bd8 Bc5 85.Bc7 Bd6 86.Bd8 Be5 87.Bb6 Kf5 
88.Bd8 Bf6 89.Bb6 Kg5 90.Bf2 Bd8 91.Kd2 Bc7 92.Kd3 Ba5 93.Kc2 Bc7 94.Kd3 
Be5 95.Kc2 Ba1 96.Kb1 Bf6 97.Kc2 Kf5 98.Kd3 Ke6 99.Ba7 Kd7 100.Bc5 Kc6 
101.Bf8 Be5 102.Be7 Kb5 103.Bf8 Ka4 104.Kc2 Bd4 105.Be7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.04"]
[Round "17"]
[White "Foltys, Jan"]
[Black "Rossolimo, Nicolas"]
[Result "1/2-1/2"]
[ECO "C57"]
[EventDate "1950.11.11"]
[PlyCount "38"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5 5.Nxf7 Bxf2+ 6.Kxf2 Nxe4+ 7.Kg1 Qh4 
8.g3 Nxg3 9.hxg3 Qxg3+ 10.Kf1 Rf8 11.Qh5 d6 12.Nc3 Bg4 13.Qh2 Qf3+ 14.Kg1 
Nd4 15.Bd5 Ne2+ 16.Qxe2 Qg3+ 17.Qg2 Qe1+ 18.Qf1 Qg3+ 19.Qg2 Qe1+ 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.04"]
[Round "17"]
[White "Donner, Jan"]
[Black "Pirc, Vasja"]
[Result "0-1"]
[ECO "E25"]
[EventDate "1950.11.11"]
[PlyCount "64"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 Nxd5 8.dxc5
Bd7 9.e4 Nf6 10.Rb1 O-O 11.Qd4 Nc6 12.Qe3 Qa5 13.g4 Rfd8 14.g5 Ne8 15.f4 
Rac8 16.Kf2 Ne7 17.c4 Ng6 18.Nf3 Rxc5 19.h4 e5 20.f5 Nf4 21.Bd2 Qc7 22.Bb4
Rc6 23.Bc3 f6 24.h5 Bc8 25.h6 Rxc4 26.Bxc4+ Qxc4 27.Bb4 Rd3 28.Rbc1 Qa2+ 
29.Nd2 Rxe3 30.Rxc8 Re2+ 31.Kf3 Qf7 32.g6 Qd7 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.04"]
[Round "17"]
[White "Gligoric, Svetozar"]
[Black "Van Scheltinga, Theodore"]
[Result "1/2-1/2"]
[ECO "B17"]
[EventDate "1950.11.11"]
[PlyCount "94"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Ne5 g6 8.
Bc4 Nd5 9.Qf3 Be6 10.O-O Bg7 11.Rd1 O-O 12.Bb3 Qc8 13.h3 a5 14.c3 a4 15.
Bc4 Nb6 16.Bf1 Bd5 17.Qe2 f6 18.Ng4 Re8 19.Qc2 Qe6 20.Qb1 f5 21.Ne3 Be4 
22.Bd3 Bxd3 23.Qxd3 Qf7 24.Nf1 e5 25.dxe5 Rxe5 26.Bf4 Rd5 27.Qc2 Rxd1 28.
Qxd1 a3 29.bxa3 Bxc3 30.Rb1 Nd5 31.Bc1 Bg7 32.Rb3 Re8 33.Qc2 h6 34.Bd2 Kh7
35.a4 Bd4 36.Qc4 Qg7 37.a5 Re4 38.Qd3 c5 39.Kh1 Qc7 40.Qc4 Nf6 41.a6 bxa6 
42.Qxa6 Re7 43.Be3 Ne4 44.Kg1 f4 45.Bxd4 cxd4 46.Qa8 Qa7 47.Qf8 Rf7 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.04"]
[Round "17"]
[White "Golombek, Harry"]
[Black "Trifunovic, Petar"]
[Result "0-1"]
[ECO "A44"]
[EventDate "1950.11.11"]
[PlyCount "83"]

1.d4 c5 2.d5 e5 3.e4 d6 4.Nc3 a6 5.a4 g6 6.f4 exf4 7.Bxf4 Bg7 8.Nf3 Nf6 9.
Be2 Bg4 10.O-O O-O 11.h3 Bxf3 12.Bxf3 Ne8 13.Qd2 Nd7 14.Kh1 Ne5 15.Be2 b6 
16.Nd1 Nf6 17.Qe3 Nfd7 18.Bh6 Re8 19.Bxg7 Kxg7 20.Qf4 h6 21.h4 Nf6 22.Ne3 
Qe7 23.Rae1 Ra7 24.Kg1 b5 25.axb5 axb5 26.Bxb5 Rb8 27.Bd3 Nh5 28.Qh2 Rxb2 
29.Rf5 Nf6 30.Ref1 Nfg4 31.Rxe5 Nxe5 32.Qg3 Kh7 33.h5 Qg5 34.Qxg5 hxg5 35.
hxg6+ Kxg6 36.Kh2 Ra3 37.Nf5 c4 38.Ne7+ Kg7 39.Nf5+ Kf8 40.Be2 Rxc2 41.Rb1
Ra8 42.Bh5 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.04"]
[Round "17"]
[White "Kottnauer, Cenek"]
[Black "Tartacover, Xavier"]
[Result "1/2-1/2"]
[ECO "D67"]
[EventDate "1950.11.11"]
[PlyCount "54"]

1.c4 Nf6 2.d4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 Nbd7 6.Nf3 O-O 7.Rc1 c6 8.Bd3 
dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 Rd8 13.Qc2 e5 14.Qe4 Re8 
15.Rd1 exd4 16.Qxe7 Rxe7 17.Rxd4 Kf8 18.Bb3 h6 19.Rd6 Nf6 20.Rd8+ Re8 21.
Rxe8+ Nxe8 22.Ne5 Nd6 23.f3 Ke7 24.Kf2 a5 25.a3 Be6 26.Bxe6 Kxe6 27.Nd3 
Kd7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.04"]
[Round "17"]
[White "Szabados, Eugenio"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "D77"]
[EventDate "1950.11.11"]
[PlyCount "210"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.c4 d5 5.Bg2 O-O 6.O-O dxc4 7.Na3 c3 8.bxc3 c5
9.Bb2 Nc6 10.Qd2 Qb6 11.e3 Rd8 12.Qe2 Bf5 13.Rfd1 Rac8 14.Nc4 Qa6 15.Bf1 
cxd4 16.cxd4 Qa4 17.Na3 a6 18.Rac1 Nb4 19.Ne1 Bg4 20.f3 Be6 21.Nd3 Nxd3 
22.Qxd3 Nd5 23.Nc2 Rc6 24.Qd2 Rdc8 25.Bd3 Bh6 26.f4 Bg7 27.Kf2 Rb6 28.Na3 
Rxc1 29.Rxc1 Qb4 30.Rc2 Qxd2+ 31.Rxd2 Nb4 32.Bc4 Nxa2 33.Bxe6 fxe6 34.Kf3 
Rb3 35.Nc4 Rb4 36.Rc2 b5 37.Nd2 Ra4 38.Rc8+ Kf7 39.Ne4 h6 40.Rc7 Nb4 41.
Nd6+ Kg8 42.Rxe7 Ra2 43.Bc3 Nd5 44.Re8+ Bf8 45.Be1 b4 46.e4 Nc7 47.Rc8 a5 
48.Nc4 Nb5 49.Ke3 Rc2 50.Rb8 Rxc4 51.Rxb5 a4 52.Kd3 Rc1 53.Bxb4 Rb1 54.Kc4
a3 55.Bc3 Rh1 56.Rb8 a2 57.Ra8 Rxh2 58.Bb4 Rc2+ 59.Kb3 Rc8 60.Rxa2 Rb8 61.
Ra4 Kf7 62.Kc4 Bxb4 63.Rxb4 Rc8+ 64.Kd3 Rc7 65.Rb5 h5 66.d5 exd5 67.Rxd5 
Rc1 68.Kd4 Rg1 69.Rg5 Kf6 70.Ke3 Ra1 71.Rd5 Ra6 72.Kf3 Ra3+ 73.Kf2 Ra2+ 
74.Ke3 Ra6 75.Rb5 Ra3+ 76.Kf2 Ra2+ 77.Kf3 Ra3+ 78.Kg2 Ra2+ 79.Kh3 Re2 80.
Rb6+ Kg7 81.Rb7+ Kh6 82.Re7 Rf2 83.Re6 Kg7 84.e5 Kh6 85.Rf6 Kg7 86.Kh4 Kh6
87.Kh3 Kg7 88.Rd6 Kh6 89.Rd4 Re2 90.Rd6 Kg7 91.Rc6 Rf2 92.Ra6 Kh6 93.Rb6 
Kg7 94.Rb3 Re2 95.Rb7+ Kh6 96.Rf7 Rf2 97.Rf6 Kg7 98.g4 Rf3+ 99.Kh4 hxg4 
100.Kxg4 Re3 101.Rd6 Re1 102.Rd4 Re3 103.Rc4 Kh6 104.Rc7 Re1 105.Rc3 Kg7 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.04"]
[Round "17"]
[White "Van den Berg, Carel"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[ECO "D71"]
[EventDate "1950.11.11"]
[PlyCount "62"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d5 5.cxd5 Nxd5 6.e4 Nb4 7.d5 c6 8.Ne2 O-O 
9.O-O cxd5 10.exd5 Bf5 11.Nbc3 Nd7 12.h3 Nb6 13.Nf4 Rc8 14.g4 Bd7 15.Qb3 
Na6 16.Be3 Nc5 17.Qb4 a5 18.Qxa5 Nc4 19.Qxd8 Rfxd8 20.Rab1 Nxe3 21.fxe3 
Ra8 22.Nfe2 Rdc8 23.Rfd1 Ra6 24.Rbc1 Rb8 25.Rc2 Be8 26.b3 b5 27.b4 Nd7 28.
Ne4 Ne5 29.Nc5 Ra3 30.Nc3 Nc4 31.Kf2 Bxc3 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.07"]
[Round "18"]
[White "Tartacover, Xavier"]
[Black "Euwe, Machgielis"]
[Result "1/2-1/2"]
[ECO "B44"]
[EventDate "1950.11.11"]
[PlyCount "37"]

1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.Nf3 Nc6 5.d4 cxd4 6.Nxd4 Bb4 7.Nxc6 dxc6 8.
Qxd8+ Kxd8 9.Bd2 e5 10.f3 a5 11.O-O-O Kc7 12.Na4 Bxd2+ 13.Rxd2 Be6 14.b3 
Rhd8 15.Be2 Rxd2 16.Kxd2 b6 17.Rd1 Nd7 18.Kc3 f6 19.g3 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.07"]
[Round "18"]
[White "Trifunovic, Petar"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E61"]
[EventDate "1950.11.11"]
[PlyCount "80"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 O-O 5.e3 c5 6.d5 d6 7.Be2 e5 8.dxe6 fxe6 
9.O-O Nc6 10.Qc2 Qe7 11.Rd1 b6 12.b3 Bb7 13.Bb2 Rad8 14.Rd2 Ng4 15.h3 Nge5
16.Nxe5 Nxe5 17.f4 Nf7 18.Rf1 Nh6 19.Bf3 Nf5 20.Qd3 Ba6 21.Nd1 Bxb2 22.
Nxb2 d5 23.Qc3 d4 24.exd4 cxd4 25.Qd3 Ne3 26.Re1 Qh4 27.Ree2 e5 28.Qe4 
Qxf4 29.Qxf4 exf4 30.Nd3 b5 31.Nxf4 bxc4 32.bxc4 Bxc4 33.Re1 Rxf4 34.Rxe3 
dxe3 35.Rxd8+ Rf8 36.Rd4 Bf7 37.Re4 Bxa2 38.Ra4 Bf7 39.Rxa7 Rb8 40.Kh2 Kf8
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.07"]
[Round "18"]
[White "O'Kelly de Galway, Alberic"]
[Black "Rossolimo, Nicolas"]
[Result "1/2-1/2"]
[ECO "C84"]
[EventDate "1950.11.11"]
[PlyCount "46"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 exd4 7.e5 Ne4 8.Nxd4 
Nc5 9.Bxc6 dxc6 10.Nc3 O-O 11.Be3 f5 12.f4 Ne6 13.Nxe6 Bxe6 14.Qe2 Qe8 15.
a3 Rd8 16.Rad1 Qf7 17.Rxd8 Rxd8 18.Rd1 Qe8 19.Rxd8 Qxd8 20.Qf2 b6 21.Qf3 
Qd7 22.Qe2 a5 23.Qa6 Kf7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.07"]
[Round "18"]
[White "Gudmundsson, Gudmundur"]
[Black "Szabados, Eugenio"]
[Result "1-0"]
[ECO "A46"]
[EventDate "1950.11.11"]
[PlyCount "81"]

1.d4 Nf6 2.Nf3 d6 3.g3 Bg4 4.Bg2 Nc6 5.d5 Nb8 6.c4 g6 7.Nc3 Bg7 8.h3 Bxf3 
9.exf3 Nbd7 10.O-O O-O 11.f4 Nb6 12.Qd3 Nfd7 13.Ne4 Na4 14.Qc2 Ndc5 15.Rb1
Nxe4 16.Bxe4 Nc5 17.Bg2 a5 18.Be3 Qd7 19.Rfe1 Rfe8 20.Re2 Kf8 21.b3 Rab8 
22.Qd2 Qf5 23.Rd1 b6 24.Kh2 Qf6 25.Qe1 Qf5 26.h4 Qc8 27.Bh3 Qd8 28.f5 Nd7 
29.fxg6 hxg6 30.f4 b5 31.Qxa5 bxc4 32.bxc4 c5 33.Qe1 Rb4 34.Rc2 Nb6 35.Qe2
Qa8 36.h5 e5 37.dxe6 Qe4 38.Bxc5 Qxe2+ 39.Rxe2 dxc5 40.e7+ Kg8 41.Rd8 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.07"]
[Round "18"]
[White "Kramer, Haije"]
[Black "Foltys, Jan"]
[Result "1/2-1/2"]
[ECO "D22"]
[EventDate "1950.11.11"]
[PlyCount "39"]

1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.Nbd2 Nd7 7.O-O Ngf6 8.b3 
Be7 9.Bb2 O-O 10.Be2 c5 11.Nc4 b5 12.Nce5 Nxe5 13.Nxe5 Bxe2 14.Qxe2 Qb6 
15.dxc5 Bxc5 16.Rac1 Rac8 17.Rc2 Rc7 18.Rfc1 Rfc8 19.Nd3 Be7 20.Be5 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.07"]
[Round "18"]
[White "Pilnik, Herman"]
[Black "Kottnauer, Cenek"]
[Result "1-0"]
[ECO "C90"]
[EventDate "1950.11.11"]
[PlyCount "83"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.d3 d6 
9.c3 Na5 10.Bc2 c5 11.Nbd2 Nc6 12.Nf1 Be6 13.Ne3 d5 14.exd5 Nxd5 15.Nxd5 
Qxd5 16.Qe2 Bf6 17.Ng5 Bxg5 18.Bxg5 Bf5 19.Bh4 Rfe8 20.f3 Rac8 21.Bf2 Na5 
22.f4 Rc6 23.c4 Qd7 24.fxe5 Rg6 25.cxb5 Qd5 26.Bg3 axb5 27.Qf2 Bxd3 28.
Bxd3 Qxd3 29.Rad1 Qc4 30.b3 Qb4 31.Rd7 Rf8 32.Rf1 f5 33.Qf3 Qe4 34.Qc3 Qc6
35.e6 b4 36.Qe5 Re8 37.Rxf5 Qxe6 38.Qxe6+ Rgxe6 39.Rxc5 Nc6 40.Rd6 Rxd6 
41.Bxd6 Nd4 42.Rc4 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.07"]
[Round "18"]
[White "Pirc, Vasja"]
[Black "Van den Berg, Carel"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1950.11.11"]
[PlyCount "58"]

1.c4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 5.O-O g6 6.b3 Bg7 7.Bb2 O-O 8.Nc3 Qc8 
9.d3 d6 10.e4 e5 11.Ne1 Nc6 12.Nc2 Nd4 13.Ne3 a6 14.f4 exf4 15.gxf4 Ra7 
16.Rf2 Qd8 17.Qd2 Nh5 18.Ncd5 f5 19.exf5 gxf5 20.Re1 Kh8 21.Nf1 Bxd5 22.
Bxd5 Re7 23.Ng3 Nxg3 24.hxg3 Rfe8 25.Rxe7 Qxe7 26.Kf1 Qe3 27.Qxe3 Rxe3 28.
Bxd4 Bxd4 29.Rf3 Re7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.07"]
[Round "18"]
[White "Reshevsky, Samuel Herman"]
[Black "Gligoric, Svetozar"]
[Result "1-0"]
[ECO "D53"]
[EventDate "1950.11.11"]
[PlyCount "77"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 O-O 6.Qc2 Nbd7 7.cxd5 exd5 8.Bd3 
h6 9.Bh4 b6 10.Nf3 Bb7 11.Bg3 c5 12.O-O Nh5 13.Be5 cxd4 14.Bxd4 Nhf6 15.
Rfd1 Bd6 16.Nb5 Bc5 17.Bf5 Qe7 18.Rac1 Rfd8 19.Qb3 a6 20.Nc3 Bxd4 21.Rxd4 
Qd6 22.e4 Ne5 23.Nxe5 Qxe5 24.Qxb6 Rdb8 25.Rcd1 g6 26.f4 Qxf4 27.Qxf6 dxe4
28.Rf1 Qe3+ 29.Kh1 Qg5 30.Qxg5 hxg5 31.Bxe4 Bxe4 32.Nxe4 Rxb2 33.a4 Rab8 
34.h3 R8b4 35.Rfd1 a5 36.Nxg5 Rb1 37.Rxb1 Rxd4 38.Rb7 f6 39.Rb8+ 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.07"]
[Round "18"]
[White "Stahlberg, Gideon"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[ECO "E21"]
[EventDate "1950.11.11"]
[PlyCount "56"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.Bd2 O-O 6.dxc5 Nc6 7.g3 Bxc5 8.Bg2 
d5 9.cxd5 Nxd5 10.O-O Nxc3 11.Bxc3 Qe7 12.Ne5 Nxe5 13.Bxe5 f6 14.Bc3 Rb8 
15.Rc1 b6 16.Qa4 e5 17.Rfd1 Be6 18.Bd5 Bxd5 19.Rxd5 Rbd8 20.Rcd1 Rxd5 21.
Rxd5 Rd8 22.e4 a5 23.Kg2 Kf8 24.Qc6 Rxd5 25.exd5 Qd6 26.Qa8+ Kf7 27.Qb7+ 
Qe7 28.Qa6 e4 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.07"]
[Round "18"]
[White "Van Scheltinga, Theodore"]
[Black "Golombek, Harry"]
[Result "1/2-1/2"]
[ECO "E38"]
[EventDate "1950.11.11"]
[PlyCount "95"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Qa5 6.Bd2 Qxc5 7.e3 d5 8.a3 
Bxc3 9.Bxc3 dxc4 10.Bb4 Qc7 11.Bxc4 Nc6 12.Bd3 Bd7 13.Nf3 Nd5 14.Bd2 h6 
15.Rc1 Rc8 16.b4 O-O 17.Qb2 Qb8 18.O-O Rfd8 19.Bc4 Be8 20.e4 Nb6 21.Bb3 
Qd6 22.Bc3 Qf8 23.b5 Ne7 24.Qe2 Nd7 25.Bb4 b6 26.Rfd1 Nc5 27.Rxd8 Rxd8 28.
Bxc5 bxc5 29.Rxc5 Nc8 30.Qe3 Nd6 31.a4 Nxe4 32.Rc7 Qb4 33.h3 Nd6 34.Qc3 
Qa3 35.Bc2 Qxc3 36.Rxc3 Rc8 37.Rxc8 Nxc8 38.Nd4 Kf8 39.Be4 Ke7 40.Bc6 Bxc6
41.Nxc6+ Kd6 42.Kf1 Kc5 43.Ke2 a6 44.Ke3 axb5 45.axb5 Nd6 46.Nd8 Kxb5 47.
Kd4 Kb6 48.Ke5 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.09"]
[Round "19"]
[White "Euwe, Machgielis"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[ECO "D72"]
[EventDate "1950.11.11"]
[PlyCount "154"]

1.d4 Nf6 2.c4 g6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Bg7 6.e4 Nb6 7.Ne2 c5 8.d5 O-O 
9.O-O e6 10.Nbc3 Na6 11.Nf4 e5 12.Nfe2 Nc4 13.b3 Nd6 14.Be3 b6 15.Qd2 Re8 
16.f4 Nc7 17.Rf2 exf4 18.Bxf4 Ba6 19.Re1 Qe7 20.g4 Be5 21.Bxe5 Qxe5 22.Ng3
Re7 23.Bf1 Bc8 24.Be2 Bd7 25.Ref1 Rf8 26.Qc1 Nce8 27.Kh1 f6 28.Rg1 Ng7 29.
Bf3 Qg5 30.Qxg5 fxg5 31.Rgf1 Nge8 32.Be2 Rxf2 33.Rxf2 Kg7 34.h3 Nf6 35.Bf3
Be8 36.Re2 Nd7 37.Rd2 Ne5 38.Be2 b5 39.Rc2 Rc7 40.Nd1 c4 41.bxc4 bxc4 42.
Nc3 Kf6 43.Nb1 Rb7 44.Nd2 Ba4 45.Rc1 Rb2 46.Nxc4 Nexc4 47.Bxc4 Bc2 48.Bb3 
Rb1 49.Rxb1 Bxb1 50.Ne2 Bxe4+ 51.Kh2 Ke5 52.Nc3 Bd3 53.Kg3 Ne4+ 54.Nxe4 
Bxe4 55.d6 Kxd6 56.Bg8 h6 57.Bf7 Bd5 58.Bxg6 Bxa2 59.h4 a5 60.hxg5 hxg5 
61.Kf3 a4 62.Ke3 Be6 63.Kd4 Bxg4 64.Kc3 Bd1 65.Bf5 Ke5 66.Bd7 Kf4 67.Kb4 
Bc2 68.Kc3 Bb3 69.Kb4 Bf7 70.Kxa4 Bg6 71.Kb4 Bf5 72.Bc6 g4 73.Kc5 Be4 74.
Bd7 g3 75.Bh3 Ke3 76.Kd6 Bf5 77.Bg2 Kf2 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.09"]
[Round "19"]
[White "Najdorf, Miguel"]
[Black "Van Scheltinga, Theodore"]
[Result "1/2-1/2"]
[ECO "D22"]
[EventDate "1950.11.11"]
[PlyCount "33"]

1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.O-O Nf6 7.Be2 Nc6 8.Nbd2 
Bd6 9.Nc4 O-O 10.b3 b5 11.Nxd6 cxd6 12.Bb2 Qb6 13.h3 Bh5 14.Ne1 Bxe2 15.
Qxe2 Rac8 16.Nd3 Ne7 17.Rfc1 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.09"]
[Round "19"]
[White "Szabados, Eugenio"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "D07"]
[EventDate "1950.11.11"]
[PlyCount "35"]

1.d4 d5 2.c4 Nc6 3.Nf3 Bg4 4.Nbd2 dxc4 5.Qa4 Bxf3 6.Nxf3 Qd5 7.e3 b5 8.Qc2
e5 9.dxe5 Nb4 10.Qb1 Rd8 11.Bd2 f6 12.e6 Bc5 13.Be2 Nd3+ 14.Bxd3 cxd3 15.
O-O Ne7 16.b4 Bb6 17.a4 bxa4 18.Rxa4 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.09"]
[Round "19"]
[White "Rossolimo, Nicolas"]
[Black "Kramer, Haije"]
[Result "1/2-1/2"]
[ECO "C11"]
[EventDate "1950.11.11"]
[PlyCount "80"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7 6.Bxf6 gxf6 7.Nf3 b6 8.Bc4
Bb7 9.Qe2 c6 10.O-O Qc7 11.Rfe1 Nd7 12.Ng3 O-O-O 13.Ba6 Kb8 14.Bxb7 Qxb7 
15.a4 Nf8 16.a5 Ng6 17.axb6 axb6 18.Ra4 Kc7 19.Rd1 Ra8 20.Rxa8 Rxa8 21.c4 
Ra5 22.Nf1 Qa6 23.g3 Ra1 24.Ne3 Rxd1+ 25.Qxd1 Qa2 26.b3 Qb2 27.Qd3 f5 28.
Nd1 Qa1 29.Kg2 Qa8 30.Qc2 Kd7 31.Nc3 Bf6 32.Na4 Qa5 33.d5 cxd5 34.cxd5 Ne7
35.dxe6+ fxe6 36.Qd3+ Nd5 37.Nd4 Qa8 38.Kg1 Qa5 39.Kf1 Bxd4 40.Qxd4 Qb5+ 
1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.09"]
[Round "19"]
[White "Donner, Jan"]
[Black "Trifunovic, Petar"]
[Result "1/2-1/2"]
[ECO "D79"]
[EventDate "1950.11.11"]
[PlyCount "59"]

1.d4 Nf6 2.c4 g6 3.g3 c6 4.Bg2 d5 5.Nf3 Bg7 6.O-O O-O 7.cxd5 cxd5 8.Ne5 
Ng4 9.Nxg4 Bxg4 10.Nc3 Nc6 11.Be3 e5 12.Nxd5 exd4 13.Bc1 Re8 14.Re1 Rc8 
15.a3 d3 16.Qxd3 Nd4 17.Be3 Bf5 18.Qd2 Nb3 19.Qb4 Nxa1 20.Rxa1 Rc2 21.Rd1 
Bxb2 22.Bxa7 Rcxe2 23.Bf3 Rc2 24.Bd4 Bxd4 25.Qxd4 Rc6 26.h4 h5 27.Qf4 Qd6 
28.Qxd6 Rxd6 29.Ne7+ Rxe7 30.Rxd6 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.09"]
[Round "19"]
[White "Foltys, Jan"]
[Black "Tartacover, Xavier"]
[Result "1/2-1/2"]
[ECO "C47"]
[EventDate "1950.11.11"]
[PlyCount "58"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.Nxc6 bxc6 7.Bd3 d5 8.
exd5 Qe7+ 9.Qe2 Nxd5 10.Qxe7+ Kxe7 11.a3 Ba5 12.Bd2 Nxc3 13.Bxc3 Bxc3+ 14.
bxc3 Be6 15.Rb1 Rhb8 16.Rxb8 Rxb8 17.Kd2 Rb2 18.Ra1 Kd6 19.c4 Kc5 20.Kc3 
Rb8 21.Re1 Kd6 22.f4 g6 23.Re5 c5 24.Re1 Rb6 25.Ra1 Rb8 26.Re1 Rb6 27.Ra1 
Rb8 28.Re1 Rb6 29.Ra1 Rb8 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.09"]
[Round "19"]
[White "Gligoric, Svetozar"]
[Black "Gudmundsson, Gudmundur"]
[Result "1-0"]
[ECO "C43"]
[EventDate "1950.11.11"]
[PlyCount "82"]

1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Be7 6.O-O O-O 7.c4 Nf6 8.Nc3 
Nbd7 9.Bg5 dxc4 10.Bxc4 Nb6 11.Bb3 Nfd5 12.Bxe7 Nxe7 13.Qf3 Be6 14.Bxe6 
fxe6 15.Qxb7 Qxd4 16.Qxc7 Ned5 17.Qd6 Rf6 18.Rad1 Qh4 19.Nxd5 exd5 20.Qe7 
Qh5 21.Nd3 Raf8 22.Qe5 Qg4 23.h3 Qa4 24.a3 Re8 25.Qc7 Rc8 26.Qe7 Re8 27.
Qb4 Qc2 28.Qd2 Qb3 29.Nc5 Qb5 30.Qd4 Re2 31.b4 a5 32.Rd3 axb4 33.Rg3 Rf7 
34.axb4 Qc4 35.Qd1 Rc2 36.Rg4 Qa2 37.Qd4 Rd2 38.Qe3 Nc4 39.Qe8+ Rf8 40.
Qe6+ Kh8 41.Qe7 Rg8 1-0

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.09"]
[Round "19"]
[White "Golombek, Harry"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "D41"]
[EventDate "1950.11.11"]
[PlyCount "38"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.
cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Be2 b6 12.O-O Bb7 13.Qe3 Nc6 14.Rac1 
Rc8 15.Rfd1 Qd6 16.d5 exd5 17.Rxd5 Qe7 18.Rcd1 Na5 19.Re5 Qc7 1/2-1/2

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.09"]
[Round "19"]
[White "Kottnauer, Cenek"]
[Black "Pirc, Vasja"]
[Result "0-1"]
[ECO "E32"]
[EventDate "1950.11.11"]
[PlyCount "58"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.Bg5 c5 6.dxc5 Na6 7.e3 Nxc5 8.Ne2 
Nce4 9.Bxf6 Nxf6 10.a3 Be7 11.g3 Qc7 12.Ne4 Nxe4 13.Qxe4 d5 14.cxd5 exd5 
15.Qd3 Qb6 16.Bg2 Qxb2 17.O-O Be6 18.Nd4 Rac8 19.Rfb1 Qc3 20.Qxc3 Rxc3 21.
Rxb7 Bc5 22.Ne2 Rc2 23.Nd4 Rc4 24.Rd1 Bxd4 25.exd4 Ra4 26.Ra1 Rc8 27.Rb4 
Ra5 28.a4 g6 29.Rb5 Rxa4 0-1

[Event "Amsterdam it"]
[Site "Amsterdam NED"]
[Date "1950.12.09"]
[Round "19"]
[White "Van den Berg, Carel"]
[Black "Stahlberg, Gideon"]
[Result "0-1"]
[ECO "D52"]
[EventDate "1950.11.11"]
[PlyCount "58"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.cxd5 Nxd5 8.Qd2 
N7b6 9.Bd3 Nxc3 10.bxc3 Nd5 11.O-O Qxc3 12.Qe2 Bd6 13.Nd2 Qa5 14.f4 Qc7 
15.Bh4 O-O 16.Rac1 Bd7 17.Bb1 Rac8 18.Nc4 f5 19.Ne5 Bxe5 20.fxe5 Qb6 21.
Kh1 c5 22.e4 Bb5 23.Qe1 Bxf1 24.exd5 Bb5 25.Be7 cxd4 26.Bxf8 Rxf8 27.d6 d3
28.Qc3 Qe3 29.Rd1 Qe2 0-1

