[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.18"]
[Round "1"]
[White "Donner, Jan"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2440"]
[EventDate "1974.03.18"]
[PlyCount "31"]
[ECO "D14"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.cxd5 cxd5 5.Nf3 Nc6 6.Bf4 Bf5 7.e3 e6 8.Bb5 
Nd7 9.Bxc6 bxc6 10.Ne5 Nxe5 11.Bxe5 f6 12.Bg3 Qb6 13.Qd2 Qa6 14.Ne2 Be7 
15.O-O O-O 16.Rfc1 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.18"]
[Round "1"]
[White "Hartoch, Robert"]
[Black "Vogel, Jaap"]
[Result "0-1"]
[WhiteElo "2480"]
[BlackElo "2300"]
[EventDate "1974.03.18"]
[PlyCount "68"]
[ECO "A30"]

1.c4 Nf6 2.Nf3 b6 3.g3 c5 4.Bg2 Bb7 5.O-O g6 6.Nc3 Bg7 7.d4 cxd4 8.Qxd4 
Nc6 9.Qh4 h6 10.Nd5 Rc8 11.Bd2 e6 12.Ne3 g5 13.Qh3 Ne4 14.Rab1 h5 15.g4 
hxg4 16.Qxg4 f5 17.Nxf5 exf5 18.Qxf5 Ne7 19.Qg4 Nxd2 20.Nxd2 Qc7 21.f4 
Bd4+ 22.Kh1 Be3 23.Bxb7 Qxb7+ 24.Nf3 Bxf4 25.e3 Bxh2 26.Rbd1 Rc6 27.Qe4 
Qc7 28.Rd2 Rch6 29.Rfd1 g4 30.Nd4 Be5+ 31.Kg1 Bxd4 32.Qa8+ Kf7 33.Rf2+ Bf6
34.Rxf6+ Rxf6 0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.18"]
[Round "1"]
[White "Ligterink, Gert"]
[Black "Langeweg, Christian"]
[Result "0-1"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "70"]
[ECO "B83"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.Be2 d6 7.O-O Nf6 8.Be3 
Be7 9.f4 O-O 10.Qe1 Bd7 11.Qg3 Nxd4 12.Bxd4 Bc6 13.Bd3 b5 14.a3 Qd7 15.Kh1
a5 16.Rae1 b4 17.axb4 axb4 18.Bxf6 Bxf6 19.e5 Bxe5 20.fxe5 bxc3 21.bxc3 
dxe5 22.Rxe5 Ra4 23.c4 f5 24.Rfe1 Rf6 25.Qf4 Rg6 26.R5e2 Qb7 27.Qd2 Ra8 
28.c5 Rd8 29.Kg1 Qb2 30.Qe3 Qb4 31.Rf1 Rd5 32.c4 Rd8 33.Rb1 Qa3 34.Rd1 Qb3
35.Red2 Bxg2 0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.18"]
[Round "1"]
[White "Scholl, Eduard"]
[Black "Baljon, Christofoor"]
[Result "1-0"]
[WhiteElo "2400"]
[EventDate "1974.03.18"]
[PlyCount "79"]
[ECO "B93"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.Bd3 e5 8.Nf3 b5 
9.O-O Bb7 10.Qe1 Nbd7 11.Kh1 g6 12.a4 bxa4 13.Rxa4 Bg7 14.fxe5 dxe5 15.Be3
O-O 16.Qa1 Rfb8 17.Qa2 Bc6 18.Ng5 Rf8 19.Rxa6 Rxa6 20.Bxa6 h6 21.Nxf7 Rxf7
22.Bc4 Nf8 23.Bxh6 Bxh6 24.Rxf6 Be8 25.Bxf7+ Bxf7 26.Nd5 Bg5 27.Nxc7 Bxa2 
28.Ra6 Bc4 29.Rc6 Be2 30.b4 Bd8 31.Nd5 Kf7 32.c4 Ne6 33.b5 Nd4 34.Rc8 Bxc4
35.Rxc4 Nxb5 36.g3 Nd6 37.Ra4 Ke6 38.Nc3 Bb6 39.Ra6 Bd4 40.Nb5 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.18"]
[Round "1"]
[White "Sosonko, Gennadi"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2470"]
[EventDate "1974.03.18"]
[PlyCount "79"]
[ECO "A04"]

1.d4 g6 2.Nf3 Bg7 3.g3 c5 4.Bg2 cxd4 5.Nxd4 Nc6 6.Nb3 Nf6 7.Nc3 d6 8.O-O 
O-O 9.h3 Be6 10.e4 Ne5 11.Nd5 Nxd5 12.exd5 Bd7 13.a4 Nc4 14.c3 Qc8 15.Kh2 
e5 16.dxe6 fxe6 17.Nd2 Nxd2 18.Bxd2 Bc6 19.Be3 Bxg2 20.Kxg2 Qc6+ 21.Kg1 
Rf3 22.Qb3 d5 23.Rad1 Kh8 24.Bd4 Bxd4 25.Rxd4 Raf8 26.Qb5 Qd6 27.Kg2 Qe5 
28.Rd3 Qe4 29.Rxf3 Rxf3 30.Kg1 Rf7 31.a5 a6 32.Qb6 Kg7 33.f4 h6 34.Qf2 g5 
35.Re1 Qd3 36.Rxe6 gxf4 37.gxf4 Qxh3 38.Qg2+ Qxg2+ 39.Kxg2 Rxf4 40.Rb6 
1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.18"]
[Round "1"]
[White "Van Dop, Arend"]
[Black "Enklaar, Bertus"]
[Result "1-0"]
[WhiteElo "2290"]
[BlackElo "2445"]
[EventDate "1974.03.18"]
[PlyCount "111"]
[ECO "B85"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be3 Nf6 7.Be2 Be7 8.O-O 
O-O 9.f4 Qc7 10.Nb3 a6 11.a4 b6 12.Qe1 Rb8 13.g4 Re8 14.g5 Nd7 15.Qf2 Nb4 
16.Rac1 Bf8 17.Nd4 Bb7 18.Nf3 Nc5 19.Nd2 g6 20.Qh4 Bg7 21.Rf3 Nd7 22.Rh3 
Nf8 23.Nd1 Nc6 24.c3 Qd8 25.Qf2 Bc8 26.Qf1 Ra8 27.Nc4 Rb8 28.Nd2 Qd7 29.
Nf2 e5 30.Bg4 Qc7 31.f5 gxf5 32.Bxf5 Ne7 33.Bxc8 Qxc8 34.Qg2 Neg6 35.Ng4 
Ne6 36.Nf6+ Bxf6 37.gxf6 Nf4 38.Bxf4 exf4 39.Rf1 Qc5+ 40.Kh1 Qe5 41.Rhf3 
b5 42.Rxf4 Qh5 43.Rf5 Qh4 44.axb5 Rxb5 45.Rxb5 axb5 46.Qg3 Re6 47.Rf5 Re5 
48.Rxe5 dxe5 49.Qxh4 Nxh4 50.c4 b4 51.Kg1 Kf8 52.Kf2 Ke8 53.Kg3 Ng6 54.Kg4
Kd7 55.Kf5 Nf4 56.Nf3 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.19"]
[Round "2"]
[White "Baljon, Christofoor"]
[Black "Hartoch, Robert"]
[Result "0-1"]
[BlackElo "2480"]
[EventDate "1974.03.18"]
[PlyCount "93"]
[ECO "B89"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Bc4 Nf6 7.Bb3 Be7 8.Be3 
O-O 9.Qe2 a6 10.O-O-O Qc7 11.g4 Nxd4 12.Rxd4 b5 13.g5 Nd7 14.f4 Nc5 15.Rf1
b4 16.Rxb4 a5 17.Rc4 Ba6 18.f5 Nxb3+ 19.axb3 Bxc4 20.bxc4 Rfe8 21.f6 Bf8 
22.h4 a4 23.Bd4 a3 24.bxa3 d5 25.Nb5 Qxc4 26.Qxc4 dxc4 27.Nc7 Bxa3+ 28.Kd2
Red8 29.Nxa8 Rxd4+ 30.Ke3 Bc5 31.Kf3 gxf6 32.gxf6 Rd2 33.Rb1 Rf2+ 34.Kg4 
Rxf6 35.Rb8+ Kg7 36.Rc8 Bd6 37.Rxc4 Rf4+ 38.Kh3 Be7 39.Nb6 Rxh4+ 40.Kg3 h5
41.Nc8 Bg5 42.Nd6 Rg4+ 43.Kh3 Bf4 44.Nb5 Rg3+ 45.Kh4 Rg2 46.Rc3 Kg6 47.Na3
0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.19"]
[Round "2"]
[White "Enklaar, Bertus"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2445"]
[EventDate "1974.03.18"]
[PlyCount "78"]
[ECO "B44"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N1c3 a6 8.Na3 
Be7 9.Be2 O-O 10.O-O b6 11.Be3 Bb7 12.Qe1 Ne5 13.f3 Ned7 14.Rd1 Bc6 15.Qf2
Qb8 16.Rd2 Rc8 17.Rfd1 Nc5 18.Nc2 b5 19.b4 Ncd7 20.cxb5 Bxb5 21.Nxb5 axb5 
22.Nd4 d5 23.exd5 Nxd5 24.Bxb5 Ne5 25.Bf1 Qxb4 26.Nf5 Bf6 27.Bd4 Nc3 28.
Bxc3 Rxc3 29.Nd6 Bh4 30.Qd4 Qxd4+ 31.Rxd4 Be7 32.Nb5 Rc2 33.Re4 Nc6 34.a4 
g6 35.h3 Ra2 36.Rc1 Nb4 37.Nc3 Ra3 38.Rc4 Nd5 39.Nxd5 exd5 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.19"]
[Round "2"]
[White "Ree, Hans"]
[Black "Scholl, Eduard"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2400"]
[EventDate "1974.03.18"]
[PlyCount "84"]
[ECO "D93"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Rc1 c6 7.Qb3 Qa5 8.Nf3 Nbd7
9.h3 dxc4 10.Bxc4 Nb6 11.O-O Nxc4 12.Qxc4 Be6 13.Qe2 Nd5 14.Nxd5 Bxd5 15.
e4 Be6 16.b3 Rac8 17.Rfd1 Rfe8 18.Rc5 Qd8 19.Ng5 Qd7 20.Be3 h6 21.Nxe6 
Qxe6 22.Qc2 Red8 23.d5 cxd5 24.Rdxd5 Kh7 25.Qd3 Rxc5 26.Rxd8 Ra5 27.a4 b6 
28.Ra8 f5 29.exf5 gxf5 30.Qd8 Rd5 31.Qc8 Rd1+ 32.Kh2 Qxc8 33.Rxc8 Rb1 34.
Ra8 Be5+ 35.g3 Rxb3 36.Rxa7 Bd6 37.Ra6 b5 38.a5 Ra3 39.Ra8 b4 40.a6 b3 41.
a7 b2 42.Rb8 Rxa7 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.19"]
[Round "2"]
[White "Sosonko, Gennadi"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2480"]
[EventDate "1974.03.18"]
[PlyCount "25"]
[ECO "E02"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 dxc4 5.Qa4+ Nbd7 6.Bg2 a6 7.Nc3 Rb8 8.Qxc4 
b5 9.Qd3 Bb7 10.O-O c5 11.Bf4 Rc8 12.dxc5 Bxc5 13.Ne5 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.19"]
[Round "2"]
[White "Timman, Jan"]
[Black "Langeweg, Christian"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "73"]
[ECO "A16"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6 6.d3 Bg7 7.h4 h6 8.Be3 c6 
9.Qc1 Na6 10.Nf3 Bg4 11.Rb1 Kf8 12.a3 Kg8 13.b4 Nc7 14.Ne4 Nb5 15.Bd2 Nd5 
16.a4 Nd6 17.Nh2 Bc8 18.b5 cxb5 19.Nxd6 Qxd6 20.Rxb5 Be6 21.Qc5 Qxc5 22.
Rxc5 Rd8 23.O-O Kh7 24.Rfc1 Rd7 25.e3 Nb6 26.d4 Nxa4 27.Ra5 Nb6 28.Rxa7 
Bd5 29.e4 Bc4 30.d5 Bd3 31.h5 gxh5 32.Bh3 Bb2 33.Bxd7 Nxd7 34.Rc7 Ne5 35.
Raxb7 Ba3 36.Bc3 f6 37.Bxe5 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.19"]
[Round "2"]
[White "Vogel, Jaap"]
[Black "Van Dop, Arend"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[BlackElo "2290"]
[EventDate "1974.03.18"]
[PlyCount "24"]
[ECO "D02"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d5 6.Nc3 Bf5 7.Ne5 c6 8.h3 Ne4 
9.Nxe4 Bxe4 10.f3 Bf5 11.c3 Nd7 12.Nxd7 Qxd7 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.20"]
[Round "3"]
[White "Donner, Jan"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2470"]
[EventDate "1974.03.18"]
[PlyCount "44"]
[ECO "E60"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 c6 5.e4 d6 6.Ne2 O-O 7.O-O e5 8.h3 a6 9.
Qc2 b5 10.Be3 exd4 11.Nxd4 c5 12.Nb3 Nc6 13.Rd1 Qe7 14.cxb5 axb5 15.Nc3 
Rb8 16.Qd2 Rd8 17.Bg5 Be6 18.Nd5 Bxd5 19.exd5 Ne5 20.Na5 Qc7 21.Nc6 Nxc6 
22.dxc6 h6 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.20"]
[Round "3"]
[White "Hartoch, Robert"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2440"]
[EventDate "1974.03.18"]
[PlyCount "24"]
[ECO "D79"]

1.g3 g6 2.Bg2 Bg7 3.d4 d5 4.Nf3 Nf6 5.O-O O-O 6.c4 c6 7.cxd5 cxd5 8.Nc3 
Ne4 9.Ne5 Nxc3 10.bxc3 Nd7 11.Nxd7 Qxd7 12.Qb3 Rd8 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.20"]
[Round "3"]
[White "Langeweg, Christian"]
[Black "Enklaar, Bertus"]
[Result "0-1"]
[WhiteElo "2430"]
[BlackElo "2445"]
[EventDate "1974.03.18"]
[PlyCount "108"]
[ECO "D58"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.Bd3 Bb7 
9.Bxf6 Bxf6 10.cxd5 exd5 11.O-O Re8 12.Qb3 c6 13.Rad1 Na6 14.Rfe1 Nc7 15.
Bb1 g6 16.a3 Bg7 17.Ba2 Bc8 18.Rd2 Bg4 19.Rc1 Bxf3 20.gxf3 Qg5+ 21.Kh1 Ne6
22.Qd1 Rad8 23.f4 Qf6 24.Qg4 h5 25.Qg2 Bh6 26.Ne2 Ng7 27.Ng1 Nf5 28.Nf3 
Ne7 29.Ne5 Rd6 30.Rdc2 a5 31.Rc3 Ra8 32.Bb1 Ra7 33.Bd3 Kf8 34.Qh3 Rc7 35.
Bb5 Kg8 36.Ba4 c5 37.dxc5 bxc5 38.Rxc5 Rxc5 39.Rxc5 Bxf4 40.Nd3 Be5 41.Rb5
Rd8 42.Rb7 Nf5 43.Rd7 Rxd7 44.Bxd7 Nd6 45.b4 axb4 46.axb4 Ne4 47.f3 Ng5 
48.Qf1 Bc7 49.f4 Bb6 50.Qc1 Qe7 51.Nc5 Ne4 52.Bc6 Nf2+ 53.Kg1 Nd3 54.Qd2 
Nxb4 0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.20"]
[Round "3"]
[White "Ligterink, Gert"]
[Black "Vogel, Jaap"]
[Result "1/2-1/2"]
[BlackElo "2300"]
[EventDate "1974.03.18"]
[PlyCount "64"]
[ECO "C04"]

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.c3 Be7 7.Bd3 b6 8.Ng1 a5 
9.Ne2 Ba6 10.Bxa6 Rxa6 11.O-O b5 12.a4 Qb8 13.f4 g6 14.b3 bxa4 15.bxa4 Rb6
16.g4 Qa8 17.Ng3 Nd8 18.Nf3 Qa6 19.Ba3 Bxa3 20.Rxa3 c5 21.f5 cxd4 22.cxd4 
Qc4 23.Qd2 Qb4 24.Qd3 Rc6 25.Ng5 Qc4 26.fxe6 fxe6 27.Qe3 Qb4 28.Rd3 Rc2 
29.Rb3 Qxa4 30.Nxh7 Qa2 31.Qh6 Rg8 32.Rbf3 Qc4 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.20"]
[Round "3"]
[White "Scholl, Eduard"]
[Black "Sosonko, Gennadi"]
[Result "0-1"]
[WhiteElo "2400"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "140"]
[ECO "B35"]

1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.Nf3 cxd4 5.Nxd4 Nc6 6.Be3 Nf6 7.Bc4 Qa5 8.Nb3 
Qc7 9.O-O O-O 10.f4 d6 11.Be2 a6 12.a4 Na5 13.Nxa5 Qxa5 14.Bf3 Bd7 15.Kh1 
Rac8 16.h3 Rc4 17.Ra3 Be6 18.Qe1 Rc7 19.Bd2 Qb6 20.Qc1 Rcc8 21.Be3 Qc7 22.
a5 Nd7 23.Rf2 Bxc3 24.bxc3 f6 25.f5 Bf7 26.fxg6 hxg6 27.Bd4 Kg7 28.Bg4 Rb8
29.Bxd7 Qxd7 30.Qe3 Bc4 31.Ra1 Rh8 32.Rb1 Rh5 33.Rb4 Bb5 34.c4 Bc6 35.c5 
Rbh8 36.Rb3 Rh4 37.Qg5 Qe6 38.Rg3 Bxe4 39.Kh2 d5 40.Qd2 Bf5 41.Re3 Re4 42.
Rff3 Rhh4 43.c3 Rxe3 44.Rxe3 Re4 45.g4 Rxe3 46.Qxe3 Be4 47.Qf4 Kf7 48.g5 
f5 49.Kg3 Bc2 50.Qe5 Qxe5+ 51.Bxe5 Ke6 52.Kf4 Kd7 53.h4 Bd1 54.Bd4 Kc6 55.
Ke5 Kb5 56.Ke6 Kxa5 57.Kxe7 Kb5 58.Kd6 a5 59.Kc7 Ka6 60.c6 bxc6 61.Kxc6 a4
62.Kxd5 a3 63.c4 a2 64.Bc3 Bh5 65.Kc5 f4 66.Kd4 f3 67.Ke3 Kb6 68.Bd4+ Ka5 
69.Bc3+ Ka4 70.c5 Kb5 0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.20"]
[Round "3"]
[White "Van Dop, Arend"]
[Black "Baljon, Christofoor"]
[Result "1-0"]
[WhiteElo "2290"]
[EventDate "1974.03.18"]
[PlyCount "81"]
[ECO "B92"]

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 Nf6 6.Be2 e5 7.Nb3 Be7 8.f4 O-O
9.a4 b6 10.O-O Bb7 11.Bf3 Nbd7 12.Kh1 Rc8 13.Qe1 Rc7 14.Be3 Qa8 15.Nd2 Re8
16.Qf2 exf4 17.Bxf4 Bf8 18.Rae1 Rcc8 19.Qd4 Nc5 20.Bg3 Rcd8 21.b4 d5 22.
exd5 Rxe1 23.Bxe1 Ne6 24.Qxb6 Nf4 25.Bh4 Rd6 26.Qf2 N4xd5 27.Nxd5 Bxd5 28.
b5 axb5 29.axb5 Qa2 30.Bg3 Re6 31.Bxd5 Qxd5 32.c4 Qd3 33.Bf4 Nd7 34.Qf3 
Qd4 35.Qd5 Qxd5 36.cxd5 Rb6 37.Rb1 Nc5 38.Nc4 Rb7 39.b6 Nd7 40.Bc7 Bc5 41.
Na5 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.21"]
[Round "4"]
[White "Baljon, Christofoor"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[EventDate "1974.03.18"]
[PlyCount "66"]
[ECO "B81"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 a6 7.g5 Nfd7 8.Bg2 Nc6
9.O-O Be7 10.Kh1 O-O 11.f4 Nxd4 12.Qxd4 e5 13.Qd3 exf4 14.Bxf4 Ne5 15.Qg3 
Be6 16.Nd5 Bxd5 17.exd5 Rc8 18.Rf2 Qb6 19.b3 Qd4 20.Re1 Rc3 21.Bxe5 dxe5 
22.Qxe5 Qxf2 23.Qxc3 Bd6 24.Rg1 Qf5 25.Qd2 f6 26.Rf1 Qe5 27.Bh3 fxg5 28.
Be6+ Kh8 29.Rxf8+ Bxf8 30.Qf2 Bd6 31.Kg1 b6 32.Qxb6 Qxh2+ 33.Kf1 Qf4+ 
1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.21"]
[Round "4"]
[White "Donner, Jan"]
[Black "Scholl, Eduard"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2400"]
[EventDate "1974.03.18"]
[PlyCount "118"]
[ECO "D98"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qa4+ Bd7 6.Qb3 dxc4 7.Qxc4 O-O 8.e4 
Bg4 9.Be3 Nfd7 10.Rd1 Nc6 11.Be2 Bxf3 12.gxf3 e5 13.dxe5 Ncxe5 14.Qa4 Qc8 
15.f4 Nb6 16.Qb3 Nc6 17.e5 Rd8 18.O-O Qf5 19.Nb5 Rxd1 20.Rxd1 Rc8 21.Nd4 
Nxd4 22.Rxd4 Re8 23.Qd1 Qe6 24.b3 Bf8 25.Rd8 Rxd8 26.Qxd8 Qc8 27.Qxc8 Nxc8
28.Bg4 Nb6 29.Bf3 c6 30.Kf1 Bb4 31.Ke2 Kf8 32.Kd3 Ke7 33.a4 Kd8 34.Be4 Nd7
35.Kc4 a5 36.h4 h5 37.e6 Nf6 38.Bc2 Ke7 39.exf7 Kxf7 40.f5 gxf5 41.Bxf5 
Ne8 42.Kd4 Kf6 43.Bd7 Ke7 44.Bc8 b6 45.Kd3 b5 46.Bf5 Ng7 47.Bg6 Be1 48.
Bg5+ Ke6 49.f4 Nf5 50.Ke4 Ng3+ 51.Kd4 Bf2+ 52.Kd3 Nf5 53.Bd8 Nxh4 54.Bxh5 
Kf5 55.Bxa5 bxa4 56.bxa4 Kxf4 57.Bc7+ Kf5 58.a5 Ke6 59.Be8 Nf5 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.21"]
[Round "4"]
[White "Ree, Hans"]
[Black "Van Dop, Arend"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2290"]
[EventDate "1974.03.18"]
[PlyCount "81"]
[ECO "B96"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.e5 dxe5 
9.fxe5 Qc7 10.Qe2 Nfd7 11.O-O-O Bb7 12.Qg4 Qxe5 13.Bd3 h6 14.Bh4 g5 15.Bg3
Qe3+ 16.Rd2 h5 17.Qd1 Qxd4 18.Bxb5 Qb6 19.Bxd7+ Nxd7 20.Rxd7 Rd8 21.Rxd8+ 
Qxd8 22.Qe2 Be7 23.Rd1 Qa5 24.Be5 Rg8 25.Kb1 g4 26.Bf4 Rg6 27.Qd2 Bc6 28.
Qd4 e5 29.Bxe5 Re6 30.Bf4 Bf6 31.Qa7 Kf8 32.Bd2 Qf5 33.g3 Bf3 34.Rc1 Kg7 
35.a3 Rd6 36.Be1 Bg5 37.Na2 Bxc1 38.Bc3+ Kh6 39.Qb8 Rd1 40.Nxc1 f6 41.Qf8+
1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.21"]
[Round "4"]
[White "Sosonko, Gennadi"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2480"]
[EventDate "1974.03.18"]
[PlyCount "39"]
[ECO "A37"]

1.Nf3 g6 2.c4 Bg7 3.Nc3 c5 4.g3 Nc6 5.Bg2 e5 6.O-O Nge7 7.d3 O-O 8.Bd2 d6 
9.a3 a5 10.Rb1 Rb8 11.Ne1 Be6 12.Nc2 d5 13.cxd5 Nxd5 14.Nxd5 Bxd5 15.b4 
cxb4 16.axb4 Bxg2 17.Kxg2 Qd5+ 18.f3 axb4 19.Nxb4 Nxb4 20.Bxb4 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.21"]
[Round "4"]
[White "Timman, Jan"]
[Black "Enklaar, Bertus"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2445"]
[EventDate "1974.03.18"]
[PlyCount "37"]
[ECO "A36"]

1.c4 Nf6 2.Nc3 c5 3.g3 Nc6 4.Bg2 g6 5.a3 Bg7 6.Rb1 a5 7.Nf3 d5 8.cxd5 Nxd5
9.Ng5 e6 10.Nge4 b6 11.Qa4 Qd7 12.Nxd5 exd5 13.Nc3 Bxc3 14.bxc3 Rb8 15.d3 
Ba6 16.c4 b5 17.cxb5 Nd4 18.Qxa5 Qg4 19.O-O 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.21"]
[Round "4"]
[White "Vogel, Jaap"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "47"]
[ECO "B39"]

1.d4 Nf6 2.Nf3 c5 3.c4 g6 4.Nc3 Bg7 5.e4 cxd4 6.Nxd4 Nc6 7.Be3 Ng4 8.Qxg4 
Nxd4 9.Qd1 Ne6 10.Rc1 d6 11.Be2 Bd7 12.Qd2 O-O 13.O-O a5 14.Rfd1 Bc6 15.f3
a4 16.Nd5 Nc5 17.Qb4 b6 18.Rc2 Rb8 19.Rcd2 Rb7 20.Bf4 Qa8 21.Bg5 Qa7 22.
Kh1 Re8 23.Bf1 Qb8 24.Nc3 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.22"]
[Round "5"]
[White "Enklaar, Bertus"]
[Black "Vogel, Jaap"]
[Result "0-1"]
[WhiteElo "2445"]
[BlackElo "2300"]
[EventDate "1974.03.18"]
[PlyCount "38"]
[ECO "C04"]

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.c3 f6 7.Bd3 fxe5 8.Nxe5 
Ncxe5 9.dxe5 Nxe5 10.Qh5+ Nf7 11.Bxh7 Be7 12.Nf3 Qd6 13.h4 Bd7 14.Bg5 Bf6 
15.Qg6 Qf8 16.O-O-O O-O-O 17.Rhe1 Nd6 18.Bxf6 gxf6 19.Qc2 Qh6+ 0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.22"]
[Round "5"]
[White "Hartoch, Robert"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2480"]
[EventDate "1974.03.18"]
[PlyCount "46"]
[ECO "B07"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nge2 Bg7 5.g3 O-O 6.Bg2 e5 7.O-O exd4 8.Nxd4 
Nc6 9.Nde2 Bg4 10.h3 Bxe2 11.Qxe2 Nd7 12.Nd5 Nb6 13.c3 Nxd5 14.exd5 Ne5 
15.f4 Nd7 16.Be3 Re8 17.Rfe1 Re7 18.Qc2 Nb6 19.Bf2 Rxe1+ 20.Rxe1 Qd7 21.c4
Re8 22.Rxe8+ Qxe8 23.b3 Nd7 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.22"]
[Round "5"]
[White "Langeweg, Christian"]
[Black "Baljon, Christofoor"]
[Result "1-0"]
[WhiteElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "73"]
[ECO "E97"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e4 d6 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Nd2 c5 10.Rb1 Ne8 11.b4 b6 12.bxc5 bxc5 13.Qa4 f5 14.Nb3 fxe4 15.Nxe4 
Nf6 16.f3 Nxe4 17.fxe4 Rxf1+ 18.Bxf1 Bd7 19.Qa5 Qc8 20.Be3 Kh8 21.Nxc5 
dxc5 22.Qxc5 Ng8 23.Qxc8 Bxc8 24.c5 Nf6 25.Bd3 Ng4 26.Bd2 Bf8 27.d6 Be6 
28.Ba6 Bd7 29.h3 Nh6 30.Bc3 Re8 31.Rb7 Bc6 32.Rc7 Bxe4 33.Bb5 Re6 34.Bc4 
Bf5 35.Bxe6 Bxe6 36.Bxe5+ Kg8 37.Rxa7 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.22"]
[Round "5"]
[White "Ligterink, Gert"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[BlackElo "2440"]
[EventDate "1974.03.18"]
[PlyCount "66"]
[ECO "B89"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 e6 6.Bc4 Nf6 7.Bb3 Be7 8.Be3 
a6 9.Qe2 Qc7 10.O-O-O O-O 11.Rhg1 Na5 12.g4 b5 13.g5 Nxb3+ 14.axb3 Nd7 15.
b4 a5 16.Ncxb5 Qb7 17.Nb3 axb4 18.Nxd6 Qc6 19.Qc4 Qa4 20.Qb5 Qxb5 21.Nxb5 
Ne5 22.Kb1 Nc4 23.Bc5 Bxc5 24.Nxc5 Nxb2 25.Kxb2 Ra5 26.Rd4 Rxb5 27.Nd3 Bb7
28.e5 Rb8 29.Ra1 Bf3 30.Ra7 Be2 31.f4 Bxd3 32.Rxd3 Rc5 33.Rdd7 Rbc8 
1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.22"]
[Round "5"]
[White "Scholl, Eduard"]
[Black "Timman, Jan"]
[Result "0-1"]
[WhiteElo "2400"]
[BlackElo "2470"]
[EventDate "1974.03.18"]
[PlyCount "64"]
[ECO "B69"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
Bd7 9.f4 Be7 10.Nf3 b5 11.Bxf6 gxf6 12.Kb1 Qb6 13.g3 Na5 14.Re1 Rc8 15.f5 
b4 16.Nd1 Nc4 17.Bxc4 Rxc4 18.b3 Rc7 19.Ne3 Qc5 20.Nd4 Kd8 21.Rd1 Kc8 22.
Rhe1 Rd8 23.Qe2 Kb7 24.Rd2 a5 25.Qh5 Be8 26.Qf3 e5 27.Ne2 Bc6 28.Nd5 Bxd5 
29.exd5 Bf8 30.Nc1 Bh6 31.Nd3 Qc3 32.Rde2 Bd2 0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.22"]
[Round "5"]
[White "Van Dop, Arend"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[WhiteElo "2290"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "31"]
[ECO "B52"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 Nc6 6.d4 cxd4 7.Nxd4 g6 8.
Be3 Nf6 9.f3 Bg7 10.Nc3 O-O 11.O-O Rac8 12.b3 e6 13.Rc1 Rfd8 14.Qd2 d5 15.
exd5 exd5 16.Nxc6 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.23"]
[Round "6"]
[White "Baljon, Christofoor"]
[Black "Enklaar, Bertus"]
[Result "1-0"]
[BlackElo "2445"]
[EventDate "1974.03.18"]
[PlyCount "57"]
[ECO "B08"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c6 7.a4 Qc7 8.Be3 Nbd7
9.Qd2 Re8 10.Rfd1 Ng4 11.Bg5 h6 12.Bh4 e5 13.dxe5 dxe5 14.Bc4 g5 15.Bg3 
Ngf6 16.h4 g4 17.Nh2 Nf8 18.Qd6 Qxd6 19.Rxd6 N8d7 20.f3 Bf8 21.Rd2 Bc5+ 
22.Kh1 h5 23.fxg4 hxg4 24.Rf1 Kg7 25.Rf5 Nb6 26.Rg5+ Kf8 27.Bxe5 Nxc4 28.
Bxf6 Nxd2 29.Rh5 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.23"]
[Round "6"]
[White "Donner, Jan"]
[Black "Van Dop, Arend"]
[Result "1-0"]
[WhiteElo "2480"]
[BlackElo "2290"]
[EventDate "1974.03.18"]
[PlyCount "63"]
[ECO "D87"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2
c5 9.O-O Nc6 10.Be3 Qc7 11.Qc1 cxd4 12.cxd4 Bd7 13.Qc2 Rac8 14.Rac1 Qa5 
15.Qb1 Rfd8 16.Rfd1 Be8 17.h3 Qb4 18.Bb3 Kh8 19.Rc4 Qb5 20.Rdc1 Ra8 21.Nc3
Qa6 22.Nd5 Na5 23.Nc7 Qf6 24.R4c3 Nxb3 25.Rxb3 b6 26.Nxa8 Rxa8 27.Rbc3 Qe6
28.Qc2 Bd7 29.Rc7 h6 30.Qd2 Kh7 31.d5 Qd6 32.f4 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.23"]
[Round "6"]
[White "Ree, Hans"]
[Black "Langeweg, Christian"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "49"]
[ECO "B84"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.Be3 Nf6 7.Be2 d6 8.f4 Be7
9.Qd2 Qc7 10.O-O-O O-O 11.g4 b5 12.g5 Nd7 13.a3 Na5 14.b4 Nc4 15.Bxc4 Qxc4
16.Nb3 Qc7 17.Na5 Bb7 18.Kb2 Rac8 19.Rhf1 Ba8 20.f5 Rfd8 21.Bd4 Ne5 22.Qe3
Ng4 23.Qg3 e5 24.Bb6 Qxc3+ 25.Qxc3 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.23"]
[Round "6"]
[White "Scholl, Eduard"]
[Black "Hartoch, Robert"]
[Result "1-0"]
[WhiteElo "2400"]
[BlackElo "2480"]
[EventDate "1974.03.18"]
[PlyCount "93"]
[ECO "B32"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nb5 Qb8 6.c4 Nf6 7.N5c3 g6 8.Be2 
Bg7 9.O-O O-O 10.Na3 d6 11.Be3 Nd7 12.Qd2 Nc5 13.f3 b6 14.Rfd1 Bb7 15.Rab1
Ne6 16.Nd5 Qe8 17.Nc2 f5 18.exf5 gxf5 19.b4 Ne5 20.f4 Ng4 21.Bf3 Rc8 22.h3
Nh6 23.Nf6+ Rxf6 24.Bxb7 Rc7 25.Bd5 Nf7 26.Re1 Qc8 27.Na3 Ned8 28.Bd4 Rg6 
29.Bxg7 Kxg7 30.Nb5 Rd7 31.Nd4 Rc7 32.Nb5 Rd7 33.Nd4 Rc7 34.Qc3 Kf8 35.Nb5
Rd7 36.Nd4 Rc7 37.Qe3 e5 38.fxe5 dxe5 39.Nf3 f4 40.Qd3 Re7 41.Nh4 Rg5 42.
Qxh7 Re6 43.Bxe6 Qxe6 44.Rbd1 Nc6 45.b5 Ne7 46.Nf3 Rg7 47.Qe4 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.23"]
[Round "6"]
[White "Sosonko, Gennadi"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "39"]
[ECO "E97"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Nd2 a5 10.a3 Nd7 11.Rb1 f5 12.b4 b6 13.Nb3 axb4 14.axb4 fxe4 15.Nxe4 Nf6
16.f3 Nf5 17.c5 bxc5 18.bxc5 Kh8 19.Rf2 Nd4 20.Nxf6 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.23"]
[Round "6"]
[White "Timman, Jan"]
[Black "Vogel, Jaap"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2300"]
[EventDate "1974.03.18"]
[PlyCount "85"]
[ECO "A17"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.Qc2 O-O 5.a3 Bxc3 6.Qxc3 d6 7.e3 Nbd7 8.Be2 
b6 9.b4 Ne4 10.Qc2 Bb7 11.Bb2 a5 12.O-O Qe7 13.Nd4 e5 14.Nb5 Ndf6 15.Bf3 
c6 16.Nc3 Ng5 17.Be2 Ne6 18.Na4 Nd7 19.Bd3 h6 20.f4 axb4 21.axb4 exf4 22.
exf4 c5 23.Rae1 Qh4 24.Bh7+ Kh8 25.Be4 Bxe4 26.Rxe4 Qd8 27.b5 Re8 28.Rfe1 
Nc7 29.Rxe8+ Nxe8 30.Nc3 Nef6 31.Qd3 Qf8 32.Nd5 Re8 33.Rxe8 Qxe8 34.Bxf6 
Nxf6 35.Nxf6 gxf6 36.Qe3 Qe6 37.Qxe6 fxe6 38.f5 Kg7 39.Kf2 Kf7 40.Kf3 Ke7 
41.Ke4 h5 42.h4 Kf7 43.fxe6+ 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.25"]
[Round "7"]
[White "Enklaar, Bertus"]
[Black "Ree, Hans"]
[Result "1-0"]
[WhiteElo "2445"]
[BlackElo "2440"]
[EventDate "1974.03.18"]
[PlyCount "65"]
[ECO "B36"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nc6 5.c4 g6 6.Nc3 Nf6 7.Be2 Nxd4 8.Qxd4 
Bg7 9.O-O O-O 10.Qd3 a6 11.Be3 Be6 12.b3 Nd7 13.Bd4 Bxd4 14.Qxd4 Qb6 15.
Qd2 Nf6 16.Kh1 Qa5 17.a4 b6 18.f4 Qb4 19.f5 Bd7 20.Rf3 b5 21.Rh3 bxa4 22.
Qh6 Bc6 23.bxa4 Qc5 24.Rf1 g5 25.Qxg5+ Kh8 26.Nd5 Bxd5 27.exd5 Rfb8 28.Re3
Qa7 29.Re1 Rb4 30.Bd1 Rg8 31.Qh4 Nxd5 32.Re4 Rb2 33.Bf3 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.25"]
[Round "7"]
[White "Hartoch, Robert"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2470"]
[EventDate "1974.03.18"]
[PlyCount "40"]
[ECO "C02"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Be2 cxd4 7.cxd4 Nh6 8.Nc3 Nf5
9.Na4 Qa5+ 10.Bd2 Bb4 11.Bc3 Bxc3+ 12.Nxc3 Qb6 13.Na4 Qa5+ 14.Nc3 Qb6 15.
Na4 Qa5+ 16.Nc3 Qb6 17.Na4 Qa5+ 18.Nc3 Qb6 19.Na4 Qa5+ 20.Nc3 Qb6 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.25"]
[Round "7"]
[White "Langeweg, Christian"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "78"]
[ECO "A09"]

1.Nf3 d5 2.c4 d4 3.d3 g6 4.g3 Bg7 5.Bg2 Nf6 6.O-O O-O 7.b4 c5 8.Nbd2 cxb4 
9.a3 bxa3 10.Bxa3 Nc6 11.Qb3 h6 12.Rfb1 Rb8 13.Ne1 Bg4 14.Qd1 Qd7 15.Ra2 
Bh3 16.Bh1 Rbc8 17.Qa4 h5 18.Nb3 Ng4 19.Nc5 Qf5 20.Ne4 h4 21.Rxb7 hxg3 22.
hxg3 Qh5 23.Bxe7 Rfe8 24.Bh4 Qf5 25.Nf3 Nce5 26.Nxd4 Qh5 27.Nf3 Nxc4 28.
dxc4 Rxe4 29.Qd7 Rf8 30.Ng5 Nxf2 31.Nxh3 Nxh3+ 32.Qxh3 Rxe2 33.Rxe2 Qxe2 
34.Qg2 Qe3+ 35.Qf2 Qc1+ 36.Kh2 g5 37.Bd5 gxh4 38.Bxf7+ Kh8 39.gxh4 Qxc4 
1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.25"]
[Round "7"]
[White "Ligterink, Gert"]
[Black "Donner, Jan"]
[Result "1-0"]
[BlackElo "2480"]
[EventDate "1974.03.18"]
[PlyCount "65"]
[ECO "C84"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4 exd4 6.O-O Be7 7.Re1 b5 8.e5 
Nxe5 9.Rxe5 bxa4 10.Nxd4 O-O 11.Nf5 Re8 12.Bg5 d6 13.Nxe7+ Rxe7 14.Bxf6 
gxf6 15.Rh5 Bb7 16.Nc3 Re5 17.Rh4 Rg5 18.Ne4 Rg6 19.Qh5 h6 20.Ng3 Qf8 21.
Qa5 c5 22.Qc7 Qb8 23.Qxb8+ Rxb8 24.Rxa4 Rg5 25.Rd1 d5 26.Rf4 Bc8 27.Rxf6 
Rxb2 28.f4 Rxg3 29.hxg3 Rxc2 30.Rxd5 Be6 31.Rh5 c4 32.Rfxh6 Rxa2 33.f5 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.25"]
[Round "7"]
[White "Van Dop, Arend"]
[Black "Scholl, Eduard"]
[Result "1-0"]
[WhiteElo "2290"]
[BlackElo "2400"]
[EventDate "1974.03.18"]
[PlyCount "59"]
[ECO "B83"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be3 Nf6 7.Be2 Be7 8.O-O 
O-O 9.f4 Qc7 10.Qe1 Nxd4 11.Bxd4 e5 12.fxe5 dxe5 13.Qg3 Bc5 14.Bxc5 Qxc5+ 
15.Kh1 Ne8 16.Nd5 Be6 17.Qxe5 Qxc2 18.Bd1 Qd3 19.Bb3 Bxd5 20.Bxd5 Nf6 21.
Rf3 Qc2 22.Rg3 Qf2 23.Qg5 Ne8 24.Rf3 Qxb2 25.Raf1 Kh8 26.e5 Qb5 27.Bxf7 
Nc7 28.Qh5 g6 29.Qg5 Nd5 30.e6 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.25"]
[Round "7"]
[White "Vogel, Jaap"]
[Black "Baljon, Christofoor"]
[Result "1-0"]
[WhiteElo "2300"]
[EventDate "1974.03.18"]
[PlyCount "43"]
[ECO "E68"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.c4 Nbd7 7.Qc2 e5 8.Rd1 Re8
9.e4 c6 10.Nc3 Qc7 11.h3 b5 12.c5 dxc5 13.dxe5 Nxe5 14.Nxe5 Qxe5 15.Bf4 
Qe6 16.Rd6 Qc4 17.Bf1 Qb4 18.a3 Qa5 19.Rxc6 Re7 20.Rxc5 a6 21.Nd5 Nxd5 22.
Rxc8+ 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.26"]
[Round "8"]
[White "Donner, Jan"]
[Black "Langeweg, Christian"]
[Result "1-0"]
[WhiteElo "2480"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "65"]
[ECO "E57"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 cxd4 
9.exd4 Bxc3 10.bxc3 dxc4 11.Bxc4 Qa5 12.Qc2 e5 13.Bd3 exd4 14.Nxd4 Nxd4 
15.cxd4 Be6 16.Bf4 Rac8 17.Qb1 Bc4 18.Bxc4 Rxc4 19.Qxb7 Rxd4 20.Bc7 Qa4 
21.Be5 Qd7 22.Rab1 Rd3 23.Qb2 Qf5 24.Rbc1 Rfd8 25.Bc7 Re8 26.Rfe1 h6 27.h3
Rd7 28.Rxe8+ Nxe8 29.Qb8 Qe6 30.Ba5 Qe2 31.Kh2 Re7 32.Re1 Qxe1 33.Bxe1 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.26"]
[Round "8"]
[White "Hartoch, Robert"]
[Black "Van Dop, Arend"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2290"]
[EventDate "1974.03.18"]
[PlyCount "109"]
[ECO "D77"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.c4 d5 6.d4 Nc6 7.Ne5 dxc4 8.Nxc6 
bxc6 9.Bxc6 Rb8 10.Nc3 Bh3 11.Re1 Qd6 12.d5 h6 13.Qa4 Ng4 14.Qxa7 Rb6 15.
Bf4 Qc5 16.Ne4 Qd4 17.d6 Rxc6 18.Qxd4 Bxd4 19.dxe7 Re8 20.Red1 f5 21.Rxd4 
fxe4 22.Rxe4 g5 23.Bd2 Nf6 24.Re5 Re6 25.Rxe6 Bxe6 26.Bb4 Nd5 27.Bc5 Nxe7 
28.a4 Nc6 29.a5 Bh3 30.Be3 Ra8 31.a6 Nb4 32.a7 Nc2 33.Ra4 Nxe3 34.fxe3 Be6
35.e4 Kf7 36.Kf2 Ke7 37.Ke3 Kd6 38.Ra6+ c6 39.Kd4 Kc7 40.Kc5 Bd7 41.e5 Kb7
42.Ra1 Rxa7 43.Rxa7+ Kxa7 44.Kd6 Bg4 45.e6 Kb6 46.e4 Kb5 47.e5 Bh5 48.e7 
Kb4 49.e6 Kb3 50.Kd7 Kxb2 51.e8=Q Bxe8+ 52.Kxe8 c3 53.e7 c2 54.Kf7 c1=Q 
55.e8=Q 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.26"]
[Round "8"]
[White "Ree, Hans"]
[Black "Vogel, Jaap"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2300"]
[EventDate "1974.03.18"]
[PlyCount "83"]
[ECO "C00"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O c5 5.d3 d5 6.Nbd2 Nc6 7.e4 e6 8.Re1 Be7 
9.e5 Nd7 10.c4 Nb4 11.cxd5 Bxd5 12.Ne4 Nxa2 13.Rxa2 Bxa2 14.b3 b5 15.Qc2 
Bxb3 16.Qxb3 Rb8 17.Nd6+ Bxd6 18.exd6 O-O 19.Bg5 Nf6 20.Qc3 Rb6 21.d7 Qxd7
22.Bxf6 gxf6 23.Qxf6 Qd8 24.Qh6 f6 25.Re4 Kh8 26.Bh3 f5 27.Ng5 Qe7 28.Rh4 
Rf6 29.Qh5 h6 30.Nf3 Qf7 31.Qg5 Qg7 32.Qc1 Qf8 33.Ne5 Rb7 34.Bg2 Rc7 35.
Qb2 Kg7 36.Qxb5 Qd6 37.Qb2 Rc8 38.Ra4 Rb8 39.Rxa7+ Kg8 40.Qa1 Qb6 41.Nd7 
Qb1+ 42.Bf1 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.26"]
[Round "8"]
[White "Scholl, Eduard"]
[Black "Ligterink, Gert"]
[Result "1-0"]
[WhiteElo "2400"]
[EventDate "1974.03.18"]
[PlyCount "82"]
[ECO "B89"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be3 Nf6 7.Bc4 Be7 8.Qe2 
O-O 9.O-O-O Qc7 10.Bb3 a6 11.g4 Nxd4 12.Rxd4 b5 13.g5 Nd7 14.Rg1 Nc5 15.e5
d5 16.Rh4 Qxe5 17.Rg3 Qf5 18.Qh5 Nxb3+ 19.axb3 Qg6 20.Qf3 b4 21.Ne2 e5 22.
Qxd5 Bf5 23.Rh6 gxh6 24.gxh6 Bg4 25.h3 Rfd8 26.Qb7 Qd6 27.Rxg4+ Kh8 28.Kb1
Rab8 29.Qe4 Rg8 30.Ng3 Rxg4 31.hxg4 Qe6 32.Nf5 Bf8 33.f4 Rd8 34.fxe5 Rd1+ 
35.Ka2 Qd5 36.Qxd5 Rxd5 37.c3 Kg8 38.Bd4 Bc5 39.Ne3 Bxd4 40.Nxd5 bxc3 41.
bxc3 Bxe5 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.26"]
[Round "8"]
[White "Sosonko, Gennadi"]
[Black "Enklaar, Bertus"]
[Result "1-0"]
[WhiteElo "2430"]
[BlackElo "2445"]
[EventDate "1974.03.18"]
[PlyCount "84"]
[ECO "B06"]

1.Nf3 g6 2.e4 Bg7 3.d4 d6 4.Nc3 c6 5.Be2 b5 6.e5 Nh6 7.O-O dxe5 8.dxe5 
Qxd1 9.Rxd1 b4 10.Na4 Bf5 11.Nd4 Nd7 12.Nxf5 Nxf5 13.g4 Nh6 14.f4 Nb6 15.
Nxb6 axb6 16.Be3 c5 17.Bb5+ Kf8 18.Bc6 Rb8 19.h3 f5 20.g5 Nf7 21.Bg2 h6 
22.h4 hxg5 23.hxg5 Nd8 24.a3 bxa3 25.Rxa3 Ne6 26.Bd5 Nc7 27.Bc4 b5 28.Be2 
Ne6 29.Kg2 Kf7 30.Bf3 Rhd8 31.Bd5 Kf8 32.Rad3 c4 33.R3d2 Nc7 34.Bc6 Rxd2+ 
35.Rxd2 Ne6 36.Kf3 b4 37.Bd5 c3 38.bxc3 bxc3 39.Rd3 Nc7 40.Bc4 Nb5 41.Bxb5
Rxb5 42.Rxc3 Kf7 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.26"]
[Round "8"]
[White "Timman, Jan"]
[Black "Baljon, Christofoor"]
[Result "1-0"]
[WhiteElo "2470"]
[EventDate "1974.03.18"]
[PlyCount "67"]
[ECO "E69"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.d4 Nbd7 7.Nc3 e5 8.e4 c6 
9.h3 Qb6 10.Re1 Ne8 11.Na4 Qd8 12.Bg5 f6 13.Be3 b6 14.h4 Rf7 15.h5 Ba6 16.
b3 Nf8 17.Nc3 Nc7 18.Qc2 Qe8 19.hxg6 hxg6 20.Rad1 Rd8 21.Qd2 Nfe6 22.d5 
cxd5 23.exd5 Nf8 24.a4 Bh8 25.a5 b5 26.c5 b4 27.Ne4 dxc5 28.d6 Nb5 29.Bxc5
Ne6 30.Bxb4 Nbd4 31.Nxd4 Nxd4 32.Nc5 Rxd6 33.Nxa6 Rxa6 34.Qxd4 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.27"]
[Round "9"]
[White "Baljon, Christofoor"]
[Black "Ree, Hans"]
[Result "0-1"]
[BlackElo "2440"]
[EventDate "1974.03.18"]
[PlyCount "52"]
[ECO "C50"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 d6 4.d4 Bg4 5.dxe5 dxe5 6.Qxd8+ Rxd8 7.Bb5 Ne7 8.
Nbd2 a6 9.Nxe5 axb5 10.Nxg4 Ng6 11.Nf3 Bc5 12.O-O O-O 13.Be3 Bd6 14.h3 
Rfe8 15.Nd2 h5 16.Nh2 Nb4 17.Rfc1 Nf4 18.Kf1 Nxh3 19.gxh3 Bxh2 20.f4 Nd5 
21.Bd4 Nxf4 22.Nf3 Bg3 23.Be5 Ne2 24.Kxe2 Bxe5 25.Rd1 Rxd1 26.Rxd1 Bxb2 
0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.27"]
[Round "9"]
[White "Enklaar, Bertus"]
[Black "Donner, Jan"]
[Result "1-0"]
[WhiteElo "2445"]
[BlackElo "2480"]
[EventDate "1974.03.18"]
[PlyCount "61"]
[ECO "B13"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nf6 5.c3 Nc6 6.Bf4 Bg4 7.Qb3 Na5 8.Qa4+ 
Bd7 9.Qc2 Rc8 10.Nf3 Nc6 11.Qe2 Bg4 12.Nbd2 e6 13.Qe3 Nd7 14.O-O Be7 15.
Ne5 Ndxe5 16.Bxe5 O-O 17.Bf4 Qd7 18.Rfe1 Rfe8 19.Qg3 Bh5 20.Re3 Bg6 21.
Bxg6 hxg6 22.Nf3 Bf6 23.Qh3 Na5 24.b3 b5 25.g4 Nc6 26.Rd1 b4 27.g5 Be7 28.
cxb4 Bxb4 29.Ne5 Nxe5 30.Bxe5 Qb5 31.Bxg7 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.27"]
[Round "9"]
[White "Langeweg, Christian"]
[Black "Scholl, Eduard"]
[Result "0-1"]
[WhiteElo "2430"]
[BlackElo "2400"]
[EventDate "1974.03.18"]
[PlyCount "90"]
[ECO "A28"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 O-O 6.Bd3 Bxc3 7.dxc3 Qe7 8.Nd2
d6 9.O-O Nd8 10.Re1 Ne6 11.Nf1 Nc5 12.e4 Nh5 13.Ne3 Nxd3 14.Qxd3 Nf4 15.
Nd5 Nxd3 16.Nxe7+ Kh8 17.Rd1 Nxc1 18.Raxc1 Be6 19.Nd5 Rac8 20.Rd2 g6 21.
Rf1 Kg7 22.f3 f6 23.b3 Rf7 24.Ne3 Re8 25.Nd5 b6 26.a4 a5 27.Ne3 h5 28.Rff2
Bd7 29.Nd5 Bc6 30.Rfe2 Rd7 31.Re1 Kf7 32.Ne3 Rg8 33.Kf2 Ke6 34.Nd5 Rdg7 
35.Red1 Rd8 36.Re1 Bb7 37.Red1 Bc6 38.Re1 h4 39.Rd3 Bb7 40.Rd2 Bc6 41.Rd3 
Rf8 42.Red1 Kd7 43.R3d2 f5 44.exf5 gxf5 45.f4 Bxd5 0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.27"]
[Round "9"]
[White "Ligterink, Gert"]
[Black "Hartoch, Robert"]
[Result "0-1"]
[BlackElo "2480"]
[EventDate "1974.03.18"]
[PlyCount "80"]
[ECO "B47"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.g3 Qc7 7.Bg2 Nf6 8.O-O 
Be7 9.Re1 Nxd4 10.Qxd4 Bc5 11.Qd1 d6 12.Be3 e5 13.Qd2 Be6 14.Rad1 Ke7 15.
Nd5+ Bxd5 16.exd5 Rhe8 17.Rc1 Kf8 18.c4 a5 19.Bxc5 Qxc5 20.Re3 b6 21.Rb3 
Qc7 22.Qc2 Kg8 23.Bh3 Re7 24.Rb5 Rb8 25.Rb1 e4 26.Re1 Re5 27.Qc3 h6 28.Qd4
Nh7 29.f4 exf3 30.Rxe5 dxe5 31.d6 Qc6 32.Rxe5 Ng5 33.Bg4 Rd8 34.d7 Ne6 35.
Qd5 Qxd7 36.Qxd7 Rxd7 37.Rxe6 Rd1+ 38.Kf2 fxe6 39.Bxe6+ Kf8 40.Kxf3 Rd2 
0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.27"]
[Round "9"]
[White "Van Dop, Arend"]
[Black "Timman, Jan"]
[Result "0-1"]
[WhiteElo "2290"]
[BlackElo "2470"]
[EventDate "1974.03.18"]
[PlyCount "84"]
[ECO "B06"]

1.e4 d6 2.d4 g6 3.Nc3 Bg7 4.f4 c6 5.Nf3 Bg4 6.Be3 Qb6 7.Qd3 Nf6 8.Be2 d5 
9.e5 Ne4 10.Nd1 Nd7 11.O-O Be6 12.Qb3 Qc7 13.Nh4 f5 14.Nf2 Bg8 15.Qa3 Bf8 
16.Qd3 e6 17.b3 Be7 18.Nf3 h6 19.c4 Bf7 20.Ne1 g5 21.cxd5 exd5 22.Nxe4 
dxe4 23.Qd1 g4 24.g3 h5 25.Ng2 Nb6 26.Bf2 O-O-O 27.Ne3 Be6 28.Rc1 Kb8 29.
Qc2 Nd5 30.Rfd1 h4 31.a4 hxg3 32.hxg3 Ba3 33.Ng2 Bxc1 34.Qxc1 Rh3 35.Bf1 
Rdh8 36.Nh4 R8xh4 37.gxh4 Rxb3 38.Qc5 e3 39.Qf8+ Qc8 40.Qd6+ Ka8 41.Be1 
Nxf4 42.Rc1 Qe8 0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.27"]
[Round "9"]
[White "Vogel, Jaap"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "39"]
[ECO "E09"]

1.d4 Nf6 2.Nf3 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.c4 Nbd7 7.Qc2 c6 8.Nbd2 b6
9.b3 Bb7 10.Bb2 Rc8 11.e4 c5 12.exd5 exd5 13.dxc5 dxc4 14.Nxc4 b5 15.Ne3 
Bxc5 16.Qd2 Be4 17.b4 Bb6 18.Rac1 Qe7 19.Rfe1 Rxc1 20.Qxc1 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.28"]
[Round "10"]
[White "Donner, Jan"]
[Black "Vogel, Jaap"]
[Result "1-0"]
[WhiteElo "2480"]
[BlackElo "2300"]
[EventDate "1974.03.18"]
[PlyCount "97"]
[ECO "E41"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3+ 7.bxc3 d6 8.e4 e5
9.d5 Ne7 10.Nh4 h6 11.g3 g5 12.Ng2 Bh3 13.Ne3 Bd7 14.f3 Qa5 15.Qb3 h5 16.
h4 gxh4 17.Rxh4 Ng6 18.Rh1 h4 19.g4 Nf4 20.Bf1 O-O-O 21.Rb1 Qc7 22.Ng2 
Nxg2+ 23.Bxg2 Rdg8 24.Rb2 Rg7 25.Bf1 Ng8 26.Rbh2 Qd8 27.Qd1 Rgh7 28.Qc2 
Qf6 29.Qf2 Ne7 30.g5 Qg7 31.Rxh4 Rxh4 32.Rxh4 Rxh4 33.Qxh4 Ng6 34.Qh6 Qg8 
35.Kf2 Kc7 36.Kg3 Bc8 37.Be3 Bd7 38.Kf2 Bc8 39.Ke1 Bd7 40.Bf2 Bc8 41.Bg3 
Bd7 42.Kd2 Qd8 43.Bf2 Qg8 44.Be3 Kd8 45.f4 exf4 46.Bxf4 Kc7 47.Qh2 Nxf4 
48.Qxf4 Qg7 49.Be2 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.28"]
[Round "10"]
[White "Hartoch, Robert"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "27"]
[ECO "B89"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6 7.Bb3 Be7 8.Be3 
O-O 9.Qe2 a6 10.O-O-O Qc7 11.Rhg1 Nd7 12.g4 Nc5 13.g5 b5 14.Kb1 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.28"]
[Round "10"]
[White "Scholl, Eduard"]
[Black "Enklaar, Bertus"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2445"]
[EventDate "1974.03.18"]
[PlyCount "83"]
[ECO "B81"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 h6 7.h3 a6 8.Bg2 Bd7 
9.O-O Nc6 10.Nxc6 Bxc6 11.f4 Be7 12.Qe2 Qb6+ 13.Kh2 Qc7 14.a4 Rc8 15.Be3 
Nd7 16.Kg1 e5 17.f5 Bg5 18.Rfd1 Bxe3+ 19.Qxe3 Qb6 20.Qxb6 Nxb6 21.Bf1 Ke7 
22.a5 Nd7 23.Kf2 g5 24.fxg6 fxg6 25.Ke3 Rhf8 26.Bd3 Nc5 27.Rf1 Ne6 28.Ne2 
Bd7 29.b4 g5 30.Rxf8 Rxf8 31.Ng3 Nf4 32.Nf5+ Bxf5 33.gxf5 Rc8 34.c4 h5 35.
Bf1 g4 36.hxg4 hxg4 37.b5 g3 38.bxa6 bxa6 39.Kf3 g2 40.Bxg2 Nxg2 41.Kxg2 
Rxc4 42.Kf3 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.28"]
[Round "10"]
[White "Sosonko, Gennadi"]
[Black "Baljon, Christofoor"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "66"]
[ECO "A49"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d6 6.a4 a5 7.Nc3 c6 8.e4 Qc7 9.
h3 Na6 10.Be3 Nb4 11.Nd2 Rb8 12.Na2 b6 13.Nxb4 axb4 14.c4 bxc3 15.bxc3 Ba6
16.Re1 e5 17.Qc2 Nd7 18.Rab1 Ra8 19.dxe5 dxe5 20.Rb2 Rfb8 21.Bf1 Bf8 22.
Nc4 Bc5 23.Bh6 Bf8 24.Be3 Bc5 25.Bg5 Ra7 26.Ra2 Rba8 27.Rea1 Qc8 28.h4 Qe8
29.Qb3 Qe6 30.Nd2 Qg4 31.c4 Bd4 32.Rb1 Nc5 33.Qf3 Qxf3 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.28"]
[Round "10"]
[White "Timman, Jan"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2440"]
[EventDate "1974.03.18"]
[PlyCount "21"]
[ECO "D79"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.c4 c6 5.d4 d5 6.cxd5 cxd5 7.Nc3 O-O 8.O-O 
Nc6 9.Ne5 e6 10.Bf4 Nxe5 11.Bxe5 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.28"]
[Round "10"]
[White "Van Dop, Arend"]
[Black "Ligterink, Gert"]
[Result "0-1"]
[WhiteElo "2290"]
[EventDate "1974.03.18"]
[PlyCount "80"]
[ECO "B85"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be3 Nf6 7.Be2 Be7 8.O-O 
O-O 9.f4 Bd7 10.Nb3 a6 11.a4 b6 12.g4 Bc8 13.Bf3 Nd7 14.Bg2 Rb8 15.Qe2 Na5
16.g5 Re8 17.Nd4 Qc7 18.f5 Ne5 19.fxe6 fxe6 20.Bh3 Bf8 21.Rad1 Nac4 22.Bc1
Bd7 23.Rf2 b5 24.axb5 axb5 25.b3 Na3 26.Bb2 b4 27.Na2 d5 28.Rxf8+ Rxf8 29.
Kh1 Qd6 30.c4 Rbe8 31.Qe1 Nf3 32.Nxf3 Rxf3 33.Bg2 Rxb3 34.Bc1 Nxc4 35.exd5
exd5 36.Qf1 Nb6 37.Bf4 Qc5 38.Rc1 Nc4 39.Qd1 Rb2 40.Bxd5+ Be6 0-1

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.30"]
[Round "11"]
[White "Baljon, Christofoor"]
[Black "Donner, Jan"]
[Result "1-0"]
[BlackElo "2480"]
[EventDate "1974.03.18"]
[PlyCount "67"]
[ECO "B08"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c6 7.a4 a5 8.Be3 Qc7 
9.Nd2 Na6 10.f4 Nb4 11.Rf2 Rd8 12.Rc1 e5 13.dxe5 dxe5 14.Qf1 exf4 15.Bxf4 
Qe7 16.Bg5 Qc5 17.Bxf6 Rxd2 18.e5 Bf5 19.g4 Bxc2 20.Ne4 Qd4 21.Nxd2 Qxd2 
22.Bxg7 Kxg7 23.Rxf7+ Kg8 24.Rf2 Qd4 25.Kh1 Be4+ 26.Kg1 Bd5 27.Rd1 Qxe5 
28.Bc4 Qg5 29.Bxd5+ Nxd5 30.Qc4 Re8 31.Rdf1 Qe3 32.Kh1 Re4 33.Rf8+ Kg7 34.
g5 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.30"]
[Round "11"]
[White "Enklaar, Bertus"]
[Black "Hartoch, Robert"]
[Result "1-0"]
[WhiteElo "2445"]
[BlackElo "2480"]
[EventDate "1974.03.18"]
[PlyCount "81"]
[ECO "B06"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 c6 5.Qd2 b5 6.f3 Nd7 7.Nh3 Nb6 8.Nf2 Nc4 
9.Bxc4 bxc4 10.O-O Nf6 11.Rab1 O-O 12.Bh6 Ne8 13.Bxg7 Nxg7 14.Ne2 Qc7 15.
Qc3 a5 16.Rfe1 d5 17.Nd1 Be6 18.Ne3 f5 19.exf5 gxf5 20.g3 Bf7 21.b3 c5 22.
bxc4 cxd4 23.Nxd4 e5 24.Nb5 Qb6 25.Qxe5 f4 26.Qxf4 Rad8 27.Nd4 Qc5 28.Rb5 
Qa3 29.Nef5 Qc3 30.Qe5 Nxf5 31.Nxf5 Qxe5 32.Rxe5 dxc4 33.Nh6+ Kg7 34.Nxf7 
Rxf7 35.Kf2 Rfd7 36.Rbc5 Rb8 37.Rxc4 Rb2 38.a4 Rd2+ 39.Re2 Rd1 40.f4 h5 
41.Kf3 1-0

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.30"]
[Round "11"]
[White "Langeweg, Christian"]
[Black "Van Dop, Arend"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2290"]
[EventDate "1974.03.18"]
[PlyCount "41"]
[ECO "A16"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.g3 Bg7 6.Bg2 Nb6 7.d3 O-O 8.Be3 
h6 9.O-O Nc6 10.Qc1 Kh7 11.Rd1 e5 12.Bc5 Re8 13.e3 Nd7 14.Ba3 Nf8 15.b4 a6
16.b5 axb5 17.Nxb5 Ra5 18.Rb1 Bf5 19.Qd2 Ra6 20.Ne1 Qd7 21.Bc1 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.30"]
[Round "11"]
[White "Ligterink, Gert"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[BlackElo "2470"]
[EventDate "1974.03.18"]
[PlyCount "32"]
[ECO "B06"]

1.e4 g6 2.d4 d6 3.Nc3 Bg7 4.Nf3 a6 5.a4 Bg4 6.Be2 Nc6 7.Be3 e5 8.dxe5 dxe5
9.Qxd8+ Rxd8 10.Nd5 Rd7 11.c3 Be6 12.Rd1 h6 13.Bc4 Nce7 14.O-O Bxd5 15.
Bxd5 Nxd5 16.Rxd5 Ne7 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.30"]
[Round "11"]
[White "Ree, Hans"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2430"]
[EventDate "1974.03.18"]
[PlyCount "31"]
[ECO "B36"]

1.Nf3 Nf6 2.c4 c5 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 g6 6.e4 Nxd4 7.Qxd4 d6 8.Be3 
Bg7 9.f3 O-O 10.Qd2 Qa5 11.Rc1 Bd7 12.Bd3 Rfc8 13.b3 a6 14.Nd5 Qxd2+ 15.
Kxd2 Nxd5 16.cxd5 1/2-1/2

[Event "30th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1974.03.30"]
[Round "11"]
[White "Vogel, Jaap"]
[Black "Scholl, Eduard"]
[Result "1-0"]
[WhiteElo "2300"]
[BlackElo "2400"]
[EventDate "1974.03.18"]
[PlyCount "76"]
[ECO "D77"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d5 6.c4 dxc4 7.Na3 Nc6 8.Nxc4 
Be6 9.b3 Bd5 10.Bb2 a5 11.a4 Nb4 12.Rc1 Na2 13.Ra1 Nb4 14.e3 c6 15.Qe2 Be4
16.Ne1 Bxg2 17.Kxg2 Ne4 18.f3 Nd6 19.Nd3 Nxd3 20.Qxd3 c5 21.Nxd6 exd6 22.
Rad1 Re8 23.Rf2 Rc8 24.e4 Qb6 25.dxc5 dxc5 26.Bxg7 Kxg7 27.Qc3+ Kg8 28.Rd7
Red8 29.Rfd2 Rxd7 30.Rxd7 Qc6 31.Qd3 b6 32.Rd6 Qc7 33.Qd5 Rf8 34.h4 Qe7 
35.e5 Rb8 36.f4 Kf8 37.Rd7 Qe8 38.h5 Qe6 1-0
