[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.03.31"]
[Round "1"]
[White "De Ruiter, Tom"]
[Black "Kramer, Haije"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "126"]
[ECO "B22"]

1.e4 c5 2.Nf3 Nc6 3.c3 Nf6 4.e5 Nd5 5.d4 cxd4 6.cxd4 d6 7.Be2 e6 8.O-O Be7
9.Nc3 Nxc3 10.bxc3 dxe5 11.Nxe5 Nxe5 12.dxe5 Qc7 13.Bf4 Bd7 14.Rb1 Bc6 15.
Bd3 Rd8 16.Qc2 g6 17.Rfe1 Rd7 18.Bf1 O-O 19.Re3 Bc5 20.Rh3 f5 21.Re1 Be4 
22.Qb3 Bd5 23.Qb2 Qa5 24.Bh6 Rc8 25.a4 Rdc7 26.Ra1 Qb6 27.Qd2 a6 28.Be3 
Bxe3 29.Rxe3 Qa5 30.h4 b5 31.Rg3 Rxc3 32.h5 Qc7 33.Rxc3 Qxc3 34.Qxc3 Rxc3 
35.axb5 axb5 36.Bxb5 gxh5 37.Kh2 h4 38.f3 Re3 39.Kh3 Rxe5 40.Ba6 Kg7 41.
Kxh4 Re3 42.Rb1 Kf6 43.Bb7 Rb3 44.Rxb3 Bxb3 45.f4 Bd5 46.Bc8 Bxg2 47.Kh5 
Be4 48.Kh6 e5 49.fxe5+ Kxe5 50.Kxh7 f4+ 51.Kh6 f3 52.Kg5 f2 53.Bh3 Bf5 54.
Bf1 Bd7 55.Ba6 Ke4 56.Kh4 Kf3 57.Bf1 Be6 58.Bb5 Kg2 59.Bc6+ Kg1 60.Bb5 Bd5
61.Kg3 Bg2 62.Bc4 Bf1 63.Be6 Bb5 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.03.31"]
[Round "1"]
[White "Etmans, Maarten"]
[Black "Ree, Hans"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "50"]
[ECO "A09"]

1.d3 g6 2.Nf3 Bg7 3.g3 d5 4.Bg2 e5 5.O-O Ne7 6.c4 d4 7.e3 dxe3 8.fxe3 Nbc6
9.Nc3 O-O 10.Rb1 a5 11.a3 Bf5 12.e4 Bg4 13.Nd5 Nd4 14.Be3 c6 15.Nxe7+ Qxe7
16.Bxd4 exd4 17.Qd2 a4 18.Ne1 h5 19.Nc2 Be6 20.Qb4 Qc7 21.b3 axb3 22.Na1 
c5 23.Qxb3 b5 24.Nc2 Be5 25.Ne1 bxc4 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.03.31"]
[Round "1"]
[White "Kuijpers, Franciscus"]
[Black "Scholl, Eduard"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "80"]
[ECO "C98"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 13.dxc5 dxc5 14.Nh2 Be6 15.Ndf1 
Rfd8 16.Qf3 b4 17.Ba4 bxc3 18.bxc3 c4 19.Bg5 Na7 20.Bc2 Qa5 21.a4 Nc6 22.
Ng3 Nd7 23.Bxe7 Nxe7 24.Nf5 Bxf5 25.exf5 Rab8 26.Red1 f6 27.Rd6 Nc5 28.
Rad1 Qc7 29.Rxd8+ Rxd8 30.Rxd8+ Qxd8 31.Nf1 Qd5 32.Qe2 Nd3 33.Ne3 Nf4 34.
Qf1 Qc6 35.g3 Nfd5 36.Nxc4 Nxc3 37.Bb3 Kf8 38.Qd3 Ncd5 39.Kh2 h6 40.Qf3 
Qc5 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.03.31"]
[Round "1"]
[White "Langeweg, Christian"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "43"]
[ECO "E14"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 d5 6.O-O Nbd7 7.b3 Be7 8.Bb2 O-O 
9.Nc3 Ne4 10.Rc1 f5 11.Qe2 a6 12.Rfd1 Bd6 13.Na4 Qe7 14.Ne5 dxc4 15.bxc4 
Nxe5 16.dxe5 Ba3 17.c5 Bxb2 18.Qxb2 Bc6 19.Bxe4 fxe4 20.Rd4 b5 21.Nc3 Qg5 
22.Nxe4 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.03.31"]
[Round "1"]
[White "Piket, Joop"]
[Black "Donner, Jan"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "80"]
[ECO "E70"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.Bg5 c5 6.d5 d6 7.f4 Qb6 8.Qd2 e6 9.
Bd3 exd5 10.exd5 Na6 11.Nge2 Bd7 12.O-O Nb4 13.Bb1 h6 14.Bh4 Rae8 15.a3 
Na6 16.h3 Nc7 17.Kh1 Re7 18.Bf2 Qa6 19.Bd3 b5 20.cxb5 Qb7 21.f5 Ncxd5 22.
Nxd5 Nxd5 23.Bg3 Ne3 24.Rf3 Nxf5 25.Bxf5 Bxf5 26.Nc3 Re6 27.Bf4 h5 28.Rd1 
Rfe8 29.Bh6 Bxh6 30.Qxh6 Re1+ 31.Rxe1 Rxe1+ 32.Kh2 Re5 33.a4 d5 34.Qf4 Qe7
35.a5 d4 36.Na4 Re2 37.b6 axb6 38.axb6 Be4 39.Rf2 Rxf2 40.Qxf2 Bc6 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.03.31"]
[Round "1"]
[White "Zuidema, Coenraad"]
[Black "Van Baarle, John"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "114"]
[ECO "B19"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nf3 Nd7 7.h4 h6 8.h5 Bh7
9.Bd3 Bxd3 10.Qxd3 Qc7 11.Bd2 e6 12.Qe2 Ngf6 13.O-O-O O-O-O 14.Ne5 Nxe5 
15.dxe5 Nd5 16.f4 c5 17.c4 Nb4 18.Bxb4 cxb4 19.Rxd8+ Qxd8 20.Rd1 Qh4 21.
Qf3 Bc5 22.Ne4 Qe7 23.Qd3 Bb6 24.Qb3 Kb8 25.g3 Bc5 26.Qa4 Qc7 27.Kb1 Be7 
28.c5 Bxc5 29.Rc1 b6 30.Nxc5 bxc5 31.Qb5+ Qb7 32.Rxc5 Rd8 33.Kc2 a5 34.
Qxb7+ Kxb7 35.Rxa5 Kb6 36.Ra4 Rd4 37.a3 b3+ 38.Kxb3 Rd3+ 39.Kc2 Rxg3 40.
Rd4 Rg4 41.Kd3 Kc5 42.a4 Rg3+ 43.Ke4 Rb3 44.Rd7 f5+ 45.exf6 gxf6 46.Rf7 
Rb4+ 47.Kf3 Rb3+ 48.Kg4 f5+ 49.Kh4 Rf3 50.Rf6 Rxf4+ 51.Kh3 Kd5 52.Rxh6 
Rxa4 53.Rh8 Ke5 54.h6 Kf6 55.Rg8 Ra1 56.Rg2 Ra7 57.Kh4 Ra1 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.01"]
[Round "2"]
[White "Donner, Jan"]
[Black "De Ruiter, Tom"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "81"]
[ECO "A85"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 f5 5.Bg5 Nf6 6.e3 Be7 7.Bxf6 Bxf6 8.Bd3 Be7
9.Qc2 O-O 10.g4 Na6 11.a3 dxc4 12.Bxc4 b5 13.Bb3 Kh8 14.Ne5 Qe8 15.Qe2 Rb8
16.e4 b4 17.Nb1 Bf6 18.Nd2 Bxe5 19.dxe5 Nc5 20.Qc4 Qe7 21.Rc1 Nd7 22.Nf3 
Nb6 23.Qc5 Qxc5 24.Rxc5 Nd7 25.Ra5 fxg4 26.Nd4 c5 27.Nxe6 Re8 28.Nxc5 Nxe5
29.Rxa7 Bf5 30.O-O Rbc8 31.Rc1 Bxe4 32.a4 h5 33.Bd1 Red8 34.Be2 Rd2 35.Ba6
Rxc5 36.Rxc5 Rd1+ 37.Bf1 Nf3+ 38.Kg2 Ne5+ 39.Kg3 Nd7 40.Rxh5+ Kg8 41.Bc4+ 
1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.01"]
[Round "2"]
[White "Langeweg, Christian"]
[Black "Etmans, Maarten"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "75"]
[ECO "A14"]

1.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 Nbd7 7.Bb2 b6 8.Nc3 Bb7
9.e3 Ne4 10.Ne2 Bf6 11.Bxf6 Qxf6 12.cxd5 exd5 13.d3 Nd6 14.d4 Qe7 15.Rc1 
c6 16.Nf4 Rac8 17.Rc2 Rfd8 18.Bh3 f5 19.Bg2 Ne4 20.Re1 a5 21.Qd3 a4 22.
bxa4 Ra8 23.Qb3 Ra5 24.Nd3 Rda8 25.Nde5 Rxa4 26.Nxc6 Qd6 27.Rec1 Ra3 28.
Qb1 Ba6 29.Nce5 Nxe5 30.Nxe5 Bc4 31.Nxc4 dxc4 32.Rxc4 Rxa2 33.Bxe4 fxe4 
34.Rc8+ Kf7 35.R1c7+ Kf6 36.Rc6 Ra1 37.Rxd6+ Ke7 38.Rxb6 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.01"]
[Round "2"]
[White "Ree, Hans"]
[Black "Kuijpers, Franciscus"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "38"]
[ECO "D59"]

1.c4 e6 2.Nf3 Nf6 3.Nc3 d5 4.d4 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.Rc1 Bb7 
9.Bd3 Nbd7 10.O-O c5 11.cxd5 Nxd5 12.Bg3 Rc8 13.Nxd5 exd5 14.Bf5 Ra8 15.
Qa4 Nf6 16.Rfd1 Bc8 17.Bxc8 Qxc8 18.Ne5 Qe6 19.Nc6 Rfc8 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.01"]
[Round "2"]
[White "Scholl, Eduard"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "35"]
[ECO "C65"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5 5.Nxe5 Nxe4 6.Qe2 Nxe5 7.d4 Be7 8.
dxe5 Nc5 9.Rd1 c6 10.Bc4 b5 11.Bb3 O-O 12.Nc3 Nxb3 13.axb3 f6 14.exf6 Bxf6
15.Ne4 d5 16.Nxf6+ Qxf6 17.Be3 Bf5 18.c3 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.01"]
[Round "2"]
[White "Timman, Jan"]
[Black "Kramer, Haije"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "55"]
[ECO "A16"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 6.bxc3 Bg7 7.Rb1 Nd7 8.
Nf3 O-O 9.O-O c5 10.d4 Nb6 11.e4 Bg4 12.dxc5 Qxd1 13.Rxd1 Na4 14.Rxb7 Nxc5
15.Rxe7 Bf6 16.Rc7 Nxe4 17.h3 Bxf3 18.Bxf3 Nxc3 19.Bxa8 Nxd1 20.Bd5 Bd4 
21.Bh6 Rb8 22.Bxf7+ Kh8 23.Rd7 Nc3 24.Kg2 Bg7 25.Bxg7+ Kxg7 26.Bb3+ Kf6 
27.Rxa7 h5 28.Ra6+ 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.01"]
[Round "2"]
[White "Van Baarle, John"]
[Black "Piket, Joop"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "63"]
[ECO "A56"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Be7 6.Nf3 O-O 7.h3 Ne8 8.g4 Nd7 9.
Bd3 g6 10.Bh6 Ng7 11.Qd2 Nf6 12.O-O-O Kh8 13.Rdg1 Ng8 14.h4 Nxh6 15.Qxh6 
f6 16.Be2 Rf7 17.g5 Nf5 18.exf5 Bf8 19.fxg6 Bxh6 20.gxf7 Bg7 21.h5 fxg5 
22.h6 Bf6 23.Ne4 Bf5 24.Nfxg5 Qe7 25.Rg3 Bxg5+ 26.Nxg5 e4 27.Bh5 Qf6 28.
Bd1 Qd4 29.Rhg1 Qxc4+ 30.Bc2 e3 31.f8=Q+ Rxf8 32.Nf7+ 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.02"]
[Round "3"]
[White "De Ruiter, Tom"]
[Black "Van Baarle, John"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "43"]
[ECO "B12"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.g4 Bd7 5.c3 e6 6.Be3 Qb6 7.Qb3 h5 8.g5 Ne7 9.
Bd3 g6 10.Ne2 Nf5 11.Nd2 Na6 12.Nf4 Nh4 13.f3 Be7 14.Rg1 Nf5 15.Bxf5 exf5 
16.Qc2 Be6 17.b4 Nc7 18.Nb3 Qb5 19.a4 Qc4 20.Kd2 b6 21.h4 O-O 22.Rgb1 
1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.02"]
[Round "3"]
[White "Etmans, Maarten"]
[Black "Timman, Jan"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "131"]
[ECO "B22"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 d6 6.Nf3 Nc6 7.Be2 g6 8.O-O Bg7
9.exd6 Qxd6 10.Nc3 Nxc3 11.bxc3 O-O 12.Qa4 Bf5 13.Be3 Rac8 14.Rfd1 b6 15.
Rac1 Na5 16.Qb4 Rfd8 17.Ba6 Rc6 18.Bb5 Rcc8 19.Ba6 Rc7 20.h3 Be6 21.Qxd6 
exd6 22.d5 Bc8 23.Bb5 Bb7 24.Rd3 Rdc8 25.Bf4 Bf8 26.Nd2 Rc5 27.Bd7 R8c7 
28.Ne4 Rc4 29.Nf6+ Kh8 30.Rf3 Rxf4 31.Rxf4 Bh6 32.Rh4 Rxd7 33.Rxh6 Kg7 34.
Nxd7 Kxh6 35.Nf6 Kg5 36.Ne4+ Kf4 37.Nxd6 Bxd5 38.a3 Ke5 39.Nc8 Nc6 40.Re1+
Kf6 41.Nd6 Ne5 42.Nb5 a5 43.Rd1 Be6 44.Nd6 Ke7 45.f4 Nc6 46.Nb5 Bc4 47.Nd4
Nb8 48.Kf2 Kd6 49.Nf3+ Kc7 50.Ke3 Na6 51.Kd4 Bb3 52.Re1 Kc6 53.c4 b5 54.
cxb5+ Kxb5 55.Kc3 Ka4 56.Kb2 Nc5 57.Re3 Bd5 58.Nd4 Nd7 59.Ne2 Kb5 60.Nc3+ 
Kc4 61.Nxd5 Kxd5 62.Re7 Nc5 63.Rxf7 Ke4 64.Rxh7 Nd3+ 65.Kb3 Nxf4 66.Ka4 
1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.02"]
[Round "3"]
[White "Kramer, Haije"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "59"]
[ECO "D59"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.cxd5 Nxd5
9.Bxe7 Qxe7 10.Nxd5 exd5 11.Bd3 c5 12.dxc5 bxc5 13.O-O Be6 14.Rc1 Nd7 15.
Bb1 Rfc8 16.Qc2 Nf6 17.Nd2 g6 18.Qc3 Rab8 19.Rfd1 Rb4 20.Nf1 Rcb8 21.b3 
Nd7 22.Ng3 c4 23.bxc4 Rxc4 24.Qa5 Nc5 25.Qa3 Qc7 26.Ne2 Qb6 27.h3 Qb2 28.
Qxa7 Rb7 29.Qa8+ Rb8 30.Qa7 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.02"]
[Round "3"]
[White "Kuijpers, Franciscus"]
[Black "Langeweg, Christian"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "134"]
[ECO "B64"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O
O-O 9.f4 h6 10.Bh4 e5 11.Nf5 Bxf5 12.exf5 Qa5 13.Kb1 Rad8 14.Bxf6 Bxf6 15.
Nd5 Qxd2 16.Rxd2 exf4 17.Nxf6+ gxf6 18.Bd3 Rfe8 19.Rf1 Re3 20.b3 Ne5 21.
Rxf4 Nxd3 22.cxd3 d5 23.g4 Kf8 24.Kb2 Ke7 25.Kc3 Kd6 26.Kd4 Rh3 27.Rdf2 
Rg8 28.a3 Rh4 29.Rg2 h5 30.Ke3 hxg4 31.Kd4 Rg5 32.b4 Rxf5 33.Rfxg4 Rfh5 
34.Rxh4 Rxh4+ 35.Kc3 b5 36.Rf2 d4+ 37.Kb3 Ke6 38.Re2+ Kd5 39.Rf2 Ke5 40.
Re2+ Kf4 41.Re4+ Kg5 42.Re7 Rh3 43.Rxa7 Rxd3+ 44.Kb2 f5 45.Rb7 f4 46.Rxb5+
f5 47.Rc5 f3 48.Rc1 Rd2+ 49.Kb3 f2 50.b5 Re2 51.Rf1 Kf4 52.b6 Kf3 53.a4 
Re1 54.Rxf2+ Kxf2 55.Kc2 Ke3 56.b7 d3+ 57.Kb2 d2 58.b8=Q d1=Q 59.Qe5+ Kf2 
60.Qxf5+ Qf3 61.Qxf3+ Kxf3 62.Kb3 Ke4 63.Kc4 Ra1 64.Kb5 Kd5 65.a5 Rb1+ 66.
Ka6 Kc6 67.h4 Rb5 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.02"]
[Round "3"]
[White "Piket, Joop"]
[Black "Scholl, Eduard"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "80"]
[ECO "A29"]

1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O 5.Nf3 Nc6 6.d3 e4 7.Ng5 exd3 8.exd3 
Re8+ 9.Be3 d5 10.cxd5 Bg4 11.Qd2 Bxc3 12.bxc3 Nxd5 13.Ne4 f5 14.Nc5 b6 15.
c4 Nxe3 16.fxe3 Nd4 17.Nb3 f4 18.Bd5+ Qxd5 19.cxd5 Nf3+ 20.Kd1 Nxd2+ 21.
Kxd2 fxe3+ 22.Kc3 Bf3 23.Rhf1 Bxd5 24.Nd4 Rad8 25.a4 c5 26.Nc2 Bf7 27.Rf3 
Bg6 28.Ne1 Rd4 29.h3 Re6 30.Ra2 a6 31.Ra1 h6 32.Rf4 Red6 33.Rf3 Bxd3 34.
Rxe3 Bg6 35.Ra2 b5 36.axb5 axb5 37.Ra8+ Kh7 38.Rc8 b4+ 39.Kb3 Bf7+ 40.Ka4 
b3+ 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.02"]
[Round "3"]
[White "Zuidema, Coenraad"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "23"]
[ECO "B54"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qb6 5.c3 d6 6.Be3 Qc7 7.c4 Nf6 8.Nc3 e6
9.Be2 Be7 10.O-O O-O 11.Nc2 Bd7 12.f3 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.03"]
[Round "4"]
[White "Etmans, Maarten"]
[Black "Kuijpers, Franciscus"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "54"]
[ECO "B50"]

1.e4 c5 2.Nf3 e6 3.g3 Nc6 4.Bg2 Nf6 5.Nc3 d6 6.O-O Be7 7.d3 O-O 8.h3 Rb8 
9.Be3 b6 10.d4 Na5 11.e5 dxe5 12.Nxe5 Bb7 13.Qd2 Bxg2 14.Kxg2 Qc7 15.Qe2 
Rbc8 16.Qf3 Rfd8 17.Nb5 Qb8 18.c3 a6 19.Na3 b5 20.g4 h6 21.h4 Qb7 22.dxc5 
Bxc5 23.Bxc5 Rxc5 24.Rfe1 Rdd5 25.g5 hxg5 26.Ng4 Nxg4 27.Qxg4 Rd4+ 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.03"]
[Round "4"]
[White "Langeweg, Christian"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "51"]
[ECO "D60"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 d5 4.d4 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 Nbd7 8.Bd3 
dxc4 9.Bxc4 c5 10.O-O a6 11.a4 cxd4 12.exd4 Nb6 13.Bb3 Bd7 14.Ne5 a5 15.
Qd3 Be8 16.Bc2 g6 17.Qh3 Kg7 18.Rad1 Nbd5 19.Rfe1 Rc8 20.Bb1 Ng8 21.Nxd5 
Qxd5 22.Be4 Qd8 23.Bxe7 Nxe7 24.Qb3 Bc6 25.Bxc6 bxc6 26.Qc2 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.03"]
[Round "4"]
[White "Ree, Hans"]
[Black "Piket, Joop"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "81"]
[ECO "A54"]

1.c4 Nf6 2.Nc3 d6 3.d4 e5 4.Nf3 Qe7 5.Bg5 c6 6.e4 h6 7.Bh4 Bg4 8.Be2 g5 9.
Bg3 Nbd7 10.h3 Bh5 11.d5 Nc5 12.Qc2 cxd5 13.cxd5 Bg7 14.Bb5+ Ncd7 15.Nd2 
O-O 16.f3 Bg6 17.Bf2 a6 18.Be2 Rac8 19.g4 h5 20.a4 Rfe8 21.a5 Nxd5 22.Nxd5
Rxc2 23.Nxe7+ Rxe7 24.Be3 hxg4 25.hxg4 f6 26.Nc4 Bf7 27.Nxd6 Rxb2 28.Rc1 
Nf8 29.Nxf7 Kxf7 30.Bc5 Rc7 31.Bc4+ Kg6 32.Ba3 Rg2 33.Be2 Rd7 34.Kf1 Rd2 
35.Re1 Rgxe2 36.Rxe2 Rd3 37.Bxf8 Bxf8 38.Kg2 Rb3 39.Rd1 Rb5 40.Rd7 b6 41.
axb6 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.03"]
[Round "4"]
[White "Scholl, Eduard"]
[Black "De Ruiter, Tom"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "61"]
[ECO "C14"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ne4 6.Nxe4 Bxg5 7.Nxg5 Qxg5 8.g3 
c5 9.f4 Qe7 10.Nf3 Nc6 11.Qd2 Bd7 12.c3 O-O 13.Be2 cxd4 14.Nxd4 Rac8 15.
O-O Nxd4 16.cxd4 Rc6 17.Rac1 Rfc8 18.Rxc6 Rxc6 19.a3 a6 20.Rc1 Rxc1+ 21.
Qxc1 Bc6 22.Bxa6 Qc7 23.Bd3 Qb6 24.Qc3 g6 25.b3 h6 26.a4 g5 27.fxg5 hxg5 
28.a5 Qa7 29.b4 f6 30.exf6 e5 31.b5 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.03"]
[Round "4"]
[White "Timman, Jan"]
[Black "Donner, Jan"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "57"]
[ECO "E14"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 Be7 6.O-O O-O 7.Nc3 d5 8.b3 Nbd7 
9.Bb2 Ne4 10.Rc1 f5 11.Qe2 a6 12.Na4 c6 13.Nd2 b5 14.Nc3 Bd6 15.f3 Nxc3 
16.Bxc3 c5 17.cxb5 axb5 18.Bxb5 Rxa2 19.Ra1 Rxa1 20.Rxa1 Nf6 21.Qd3 Qc7 
22.Ba5 Qe7 23.Bb6 Bxh2+ 24.Kf1 Ne4 25.Ke2 Qg5 26.g4 fxg4 27.fxe4 g3 28.Bc7
Qh5+ 29.Nf3 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.03"]
[Round "4"]
[White "Van Baarle, John"]
[Black "Kramer, Haije"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "39"]
[ECO "D94"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Be2 b6 7.O-O Bb7 8.b4 Nbd7 
9.Bb2 e6 10.Rc1 c6 11.Qb3 Re8 12.cxd5 exd5 13.a4 a6 14.b5 axb5 15.axb5 c5 
16.dxc5 bxc5 17.Rfd1 Qe7 18.Ra1 Rxa1 19.Rxa1 d4 20.Nd1 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.04"]
[Round "5"]
[White "De Ruiter, Tom"]
[Black "Ree, Hans"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "77"]
[ECO "B70"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g3 g6 7.Bg2 Bg4 8.Nxc6 
bxc6 9.Qd3 Qc8 10.h3 Be6 11.f4 Bg7 12.g4 Nd7 13.Bd2 O-O 14.f5 Ne5 15.Qg3 
Bd7 16.b3 a5 17.h4 h6 18.Rd1 Qb7 19.Rf1 Rfe8 20.a4 Qb6 21.Bh3 Rad8 22.Rf2 
Bc8 23.g5 h5 24.Kf1 Bb7 25.Bf4 Qb4 26.Qe3 Bc8 27.Ne2 c5 28.Bxe5 Bxe5 29.c4
Kg7 30.Rf3 Qb7 31.Nf4 Bd7 32.Nd5 Kh7 33.Kg2 Bc6 34.fxg6+ Kxg6 35.Rdf1 Rf8 
36.Rf6+ exf6 37.gxf6 Bd7 38.Qg5+ Kh7 39.Qg7# 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.04"]
[Round "5"]
[White "Donner, Jan"]
[Black "Van Baarle, John"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "66"]
[ECO "A79"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.Nf3 g6 7.e4 Bg7 8.Be2 O-O 
9.O-O Re8 10.Nd2 Na6 11.f3 Nd7 12.Nc4 Ne5 13.Ne3 f5 14.f4 Nf7 15.exf5 gxf5
16.Bh5 Qf6 17.Nb5 Bd7 18.a4 Re4 19.Kh1 Rae8 20.Qb3 Rb4 21.Qd3 Ree4 22.
Bxf7+ Kxf7 23.Nc3 Rxf4 24.Rxf4 Rxf4 25.Nc4 Nb4 26.Qe2 Rh4 27.g3 Rd4 28.Bf4
Bf8 29.Rd1 Nxd5 30.Nxd5 Bc6 31.Ne3 Qe6 32.Qf3 Bxd5 33.Nxd5 Qe4 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.04"]
[Round "5"]
[White "Kramer, Haije"]
[Black "Scholl, Eduard"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "56"]
[ECO "E64"]

1.Nf3 g6 2.g3 Bg7 3.d4 Nf6 4.Bg2 O-O 5.c4 c5 6.d5 d6 7.Nc3 Na6 8.O-O Nc7 
9.Nd2 a6 10.Qc2 b5 11.b3 b4 12.Nd1 Bf5 13.e4 Nxe4 14.Nxe4 Bxa1 15.Nb2 Bxb2
16.Qxb2 f6 17.Bh6 Rf7 18.h4 Ne8 19.f3 Bxe4 20.fxe4 Ng7 21.Bh3 Rf8 22.g4 a5
23.g5 a4 24.Rf2 axb3 25.axb3 Qa5 26.Be6+ Kh8 27.Kg2 Qa1 28.gxf6 Rxf6 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.04"]
[Round "5"]
[White "Kuijpers, Franciscus"]
[Black "Timman, Jan"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "57"]
[ECO "C04"]

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nh6 5.c3 f5 6.exd5 exd5 7.Bd3 Be7 8.b4 a6
9.Nb3 Nf7 10.Qc2 O-O 11.O-O g6 12.Re1 Bd6 13.a4 Qf6 14.b5 axb5 15.axb5 
Rxa1 16.Nxa1 Na5 17.Qa2 Nc4 18.Bxc4 dxc4 19.Qxc4 Kg7 20.Nb3 g5 21.Qe2 f4 
22.c4 g4 23.Ne5 f3 24.Qe3 Be6 25.Bb2 Bxe5 26.dxe5 Qg6 27.Nc5 fxg2 28.Kxg2 
Ng5 29.Qxg5 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.04"]
[Round "5"]
[White "Piket, Joop"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "47"]
[ECO "A19"]

1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3 Nc6 6.d4 cxd4 7.Nxd4 Nxe5 8.Bf4 
d6 9.Qd2 a6 10.O-O-O Be7 11.Nb3 Ng6 12.Bg3 Nh6 13.Bd3 f5 14.Kb1 O-O 15.f3 
Nf7 16.Rhe1 Bd7 17.f4 Re8 18.Bf2 Nf8 19.h3 Nh6 20.Be2 Qc7 21.g4 Ng6 22.c5 
d5 23.Nxd5 exd5 24.Qxd5+ 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.04"]
[Round "5"]
[White "Zuidema, Coenraad"]
[Black "Etmans, Maarten"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "50"]
[ECO "B15"]

1.e4 g6 2.d4 c6 3.Nf3 d5 4.Nc3 Bg4 5.Be2 e6 6.O-O Nd7 7.Bf4 dxe4 8.Nxe4 
Ndf6 9.Nfd2 Bxe2 10.Qxe2 Nxe4 11.Nxe4 Be7 12.Rad1 Nf6 13.Bh6 Nxe4 14.Qxe4 
Qd5 15.Qe2 O-O-O 16.Be3 Kb8 17.c4 Qe4 18.Rd3 Rd7 19.d5 Ka8 20.Rfd1 Rhd8 
21.Qd2 Qxc4 22.Rd4 Qb5 23.a4 Qa6 24.d6 Rxd6 25.Qb4 Qe2 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.05"]
[Round "6"]
[White "Etmans, Maarten"]
[Black "Piket, Joop"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "60"]
[ECO "B08"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Be2 Nf6 5.O-O O-O 6.Nc3 c6 7.a4 Nbd7 8.h3 e5 
9.Be3 Qe7 10.dxe5 dxe5 11.Rb1 Nc5 12.Nd2 Rd8 13.Qe1 Ne6 14.Nc4 Nd4 15.Bd1 
b6 16.b4 Ba6 17.b5 cxb5 18.axb5 Bb7 19.Bg5 Qc5 20.Bxf6 Bxf6 21.Ne3 Bg5 22.
Na4 Qc7 23.c3 Bxe4 24.Rb4 Bd3 25.cxd4 exd4 26.Bf3 dxe3 27.fxe3 Rab8 28.Rf2
Be7 29.Rd4 Rxd4 30.exd4 Bh4 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.05"]
[Round "6"]
[White "Kuijpers, Franciscus"]
[Black "Zuidema, Coenraad"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "60"]
[ECO "C86"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 Be7 6.c3 b5 7.Bb3 d6 8.O-O Na5 
9.Bc2 c5 10.d4 Qc7 11.b3 O-O 12.Bb2 Bg4 13.Rc1 c4 14.Nbd2 Rac8 15.Qe3 Rfe8
16.h3 Bd7 17.Nf1 Qb8 18.b4 exd4 19.Nxd4 Nc6 20.Ng3 d5 21.exd5 Bd6 22.Nxc6 
Bxc6 23.Qd4 Bxd5 24.Nf5 Bf8 25.Re1 Rcd8 26.Qh4 Re5 27.Rad1 Rde8 28.Rxe5 
Qxe5 29.Qd4 Qe2 30.Ne3 Rxe3 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.05"]
[Round "6"]
[White "Langeweg, Christian"]
[Black "De Ruiter, Tom"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "50"]
[ECO "D94"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 Nc6 4.e3 g6 5.d4 cxd4 6.exd4 d5 7.h3 Bg7 8.Be3 O-O
9.Be2 b6 10.O-O Bb7 11.Qa4 dxc4 12.Bxc4 a6 13.Be2 b5 14.Qb3 e6 15.Rac1 Rc8
16.Qd1 Ne7 17.Bg5 h6 18.Bf4 Nfd5 19.Nxd5 Qxd5 20.a4 Nf5 21.Rxc8 Rxc8 22.
axb5 axb5 23.Be3 Nxe3 24.fxe3 Qe4 25.Qd2 Qc2 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.05"]
[Round "6"]
[White "Ree, Hans"]
[Black "Kramer, Haije"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "129"]
[ECO "C69"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.c3 Bd6 8.Nbd2 
Nh6 9.Qb3 Qc8 10.dxe5 fxe5 11.Ng5 Be7 12.Ndf3 Bf6 13.Be3 Bxf3 14.Nxf3 Nf7 
15.Rfd1 O-O 16.Rd2 b6 17.Bg5 Kh8 18.Bxf6 gxf6 19.Qc4 c5 20.Qe2 Rg8 21.Ne1 
Nd6 22.Nc2 Qe6 23.Rd3 Rad8 24.f3 Rd7 25.Ne3 Rdg7 26.Rd2 a5 27.Qe1 Nc4 28.
Nxc4 Qxc4 29.a3 Qe6 30.Qh4 Rg6 31.Rad1 b5 32.g3 f5 33.Rd7 Rh6 34.Qe7 fxe4 
35.Qxe6 Rxe6 36.fxe4 Rd6 37.R1xd6 cxd6 38.Kf2 Rg6 39.Ra7 a4 40.Rb7 Rh6 41.
Kg2 Rf6 42.Rxb5 Rf7 43.Rb6 Rd7 44.Kf3 Kg7 45.Kg4 Rf7 46.Rxd6 Rf2 47.h4 
Rxb2 48.Rc6 Rb3 49.Rxc5 Rxa3 50.Kf5 Rb3 51.Rc7+ Kg8 52.g4 a3 53.h5 a2 54.
Ra7 Rxc3 55.Rxa2 Rf3+ 56.Kxe5 h6 57.Ra6 Kg7 58.Rg6+ Kh7 59.Rf6 Ra3 60.Kf4 
Ra1 61.e5 Kg7 62.Kf5 Ra2 63.Rg6+ Kh7 64.e6 Re2 65.Kf6 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.05"]
[Round "6"]
[White "Scholl, Eduard"]
[Black "Donner, Jan"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "80"]
[ECO "B07"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f3 c6 5.Be3 Nbd7 6.Qd2 e5 7.Nge2 Bg7 8.O-O-O 
O-O 9.Bh6 Qa5 10.h4 Re8 11.Bxg7 Kxg7 12.h5 Nxh5 13.g4 Nhf6 14.Qh6+ Kg8 15.
d5 Nf8 16.dxc6 bxc6 17.Rxd6 Re6 18.Rd1 Rb8 19.g5 Ne8 20.Bh3 Rd6 21.Bxc8 
Rxc8 22.f4 exf4 23.Nxf4 Rxd1+ 24.Rxd1 Qe5 25.Qh4 Qe7 26.Qg3 Nc7 27.Kb1 
Nfe6 28.Nh3 Rd8 29.Rd3 Rd4 30.a3 Qc5 31.Rxd4 Qxd4 32.Nf2 a6 33.Ng4 Kg7 34.
Nf6 h6 35.Ng4 hxg5 36.Qh3 Kf8 37.e5 Ke7 38.Nf6 Qh4 39.Qd3 Qd4 40.Qh3 Qxe5 
0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.05"]
[Round "6"]
[White "Timman, Jan"]
[Black "Van Baarle, John"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "80"]
[ECO "E67"]

1.g3 c5 2.Bg2 Nc6 3.Nf3 g6 4.O-O Bg7 5.c3 Nf6 6.d4 cxd4 7.cxd4 d6 8.d5 Ne5
9.Nxe5 dxe5 10.Nc3 O-O 11.Be3 Ne8 12.Bc5 Nd6 13.Qb3 b6 14.Bxd6 exd6 15.Qa3
Qd7 16.Ne4 Rd8 17.Rac1 Bb7 18.Rfd1 Qe7 19.e3 f5 20.Nc3 Rd7 21.e4 Bh6 22.
Rc2 Rc7 23.Bh3 fxe4 24.Be6+ Kh8 25.Re2 e3 26.fxe3 a5 27.Ne4 Ba6 28.Rf2 Rf8
29.Qb3 Bc4 30.Qxb6 Rxf2 31.Nxf2 Rb7 32.Qc6 Bxe3 33.b3 Qf6 34.Qc8+ Kg7 35.
Qxb7+ Kh6 36.Rd2 e4 37.bxc4 Qc3 38.Qb2 Bxd2 39.Qxc3 Bxc3 40.Nxe4 Bd4+ 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.07"]
[Round "7"]
[White "De Ruiter, Tom"]
[Black "Etmans, Maarten"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "59"]
[ECO "B13"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nf6 5.c3 Nc6 6.Bf4 e6 7.Qe2 Bd6 8.Bg3 
O-O 9.f4 a6 10.Nf3 b5 11.Ne5 Na5 12.O-O Qb6 13.Nd2 Nc4 14.Ndf3 g6 15.b3 
Na5 16.b4 Nc4 17.Bf2 Nh5 18.g3 Ra7 19.a4 Kg7 20.axb5 axb5 21.Bc2 Bd7 22.
Ng5 h6 23.Ngxf7 Rxf7 24.Qg4 Nxf4 25.gxf4 Rf6 26.Bh4 Bxe5 27.Bxf6+ Kxf6 28.
Qxg6+ Ke7 29.fxe5 Rxa1 30.Qf6+ 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.07"]
[Round "7"]
[White "Donner, Jan"]
[Black "Ree, Hans"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "136"]
[ECO "E92"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.Be3 Qe7 8.d5 Ng4 
9.Bg5 f6 10.Bh4 a5 11.Nd2 Nh6 12.a3 Na6 13.Rb1 Bd7 14.b4 axb4 15.axb4 Nf7 
16.f3 Bh6 17.Bf2 b6 18.Bd3 f5 19.Qe2 Qg5 20.Rg1 Bc8 21.exf5 gxf5 22.g4 
Qxd2+ 23.Qxd2 Bxd2+ 24.Kxd2 fxg4 25.Ne4 h6 26.Be3 Nb8 27.Rb2 Ra3 28.fxg4 
Ng5 29.Nxg5 hxg5 30.Ke2 e4 31.Bc2 Nd7 32.Bd4 Nf6 33.Kd2 Nxg4 34.Rb3 Rxb3 
35.Bxb3 Rf3 36.Bc2 e3+ 37.Kc3 e2+ 38.Kd2 Rf4 39.Be3 Nxe3 40.Kxe3 Rxc4 41.
Bd3 Rxb4 42.Bxe2 Rh4 43.Rxg5+ Kf7 44.Rg2 Bf5 45.Bb5 Kf6 46.Bc6 Ke5 47.Rg5 
Rh3+ 48.Kd2 Rxh2+ 49.Kc3 Rh7 50.Kc4 Rh4+ 51.Kc3 Rg4 52.Rh5 Rf4 53.Rg5 Rg4 
54.Rh5 Rg7 55.Kc4 Kf4 56.Rh8 Ke3 57.Re8+ Kd2 58.Rf8 Bd3+ 59.Kb3 Ba6 60.Rf4
Re7 61.Rg4 Be2 62.Rh4 Bd3 63.Rg4 Bc2+ 64.Kb2 Be4 65.Rg3 Re5 66.Rg7 Bxd5 
67.Rxc7 Bxc6 68.Rxc6 Rb5+ 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.07"]
[Round "7"]
[White "Kramer, Haije"]
[Black "Langeweg, Christian"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "72"]
[ECO "A07"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.b3 Bf5 5.Bb2 e6 6.O-O Be7 7.d3 O-O 8.Nbd2 a5 
9.a3 Nbd7 10.Nh4 Bg4 11.h3 Bh5 12.g4 Ne8 13.gxh5 Bxh4 14.f4 Bf6 15.Bxf6 
Qxf6 16.e4 Qh6 17.e5 f6 18.Qe2 fxe5 19.fxe5 Nc7 20.c4 Rf4 21.Rxf4 Qxf4 22.
Nf3 Rf8 23.d4 Rf5 24.Qd2 Qxd2 25.Nxd2 Rxh5 26.Kf2 Rh4 27.Ke3 c5 28.dxc5 
Nxc5 29.b4 Nd7 30.bxa5 dxc4 31.Bxb7 Nc5 32.Bg2 c3 33.Nf1 Ra4 34.Rb1 c2 35.
Rc1 Rxa3+ 36.Ke2 Nb3 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.07"]
[Round "7"]
[White "Piket, Joop"]
[Black "Kuijpers, Franciscus"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "96"]
[ECO "B22"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 Nc6 5.Bc4 Nb6 6.Bxf7+ Kxf7 7.dxc5 Nxe5 8.
cxb6 Qxb6 9.Nf3 Nxf3+ 10.Qxf3+ Qf6 11.Qe2 e6 12.Nd2 Be7 13.O-O Rf8 14.f4 
Kg8 15.Ne4 Qg6 16.Ng3 b6 17.Be3 Bb7 18.Bd4 Bh4 19.Qe3 Rf7 20.Rf2 Re8 21.a4
d6 22.a5 e5 23.fxe5 dxe5 24.Qe2 Rxf2 25.Bxf2 Qc6 26.Be3 bxa5 27.Rxa5 Rd8 
28.Ra1 a5 29.Nf5 Bf6 30.h3 Rd3 31.Re1 Kh8 32.Qf2 a4 33.Ng3 a3 34.bxa3 Rxc3
35.Nh5 Rxa3 36.Nxf6 gxf6 37.Rc1 Qe6 38.Rc2 Ra8 39.Bc5 Rg8 40.Qh4 Rg6 41.
Rd2 Qg8 42.g4 Qc8 43.Qf2 h5 44.Kh2 hxg4 45.Qh4+ Kg7 46.Rc2 Qf5 47.Rf2 g3+ 
48.Qxg3 Rxg3 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.07"]
[Round "7"]
[White "Van Baarle, John"]
[Black "Scholl, Eduard"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "82"]
[ECO "D94"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Be2 b6 7.O-O Bb7 8.b4 Nbd7 
9.Qb3 e6 10.Bd2 Ne4 11.Rac1 c6 12.Rfd1 dxc4 13.Qxc4 Nxd2 14.Rxd2 Qe7 15.
Rcd1 a5 16.b5 Rfc8 17.bxc6 Bxc6 18.Qd3 a4 19.e4 Ra5 20.Qe3 Bb7 21.e5 Qa3 
22.Rc2 Qf8 23.Rb1 Rc7 24.Bb5 Bh6 25.Qd3 Qd8 26.Ne4 Rxc2 27.Qxc2 Bxe4 28.
Qxe4 Ra7 29.g3 a3 30.Kg2 Nb8 31.Rb3 Bc1 32.Rc3 Bb2 33.Rc4 Rc7 34.Qc2 Rxc4 
35.Qxc4 Kg7 36.h4 h6 37.Qb4 Qd5 38.Qe7 Qxb5 39.Qf6+ Kg8 40.Qd8+ Kg7 41.
Qf6+ Kg8 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.07"]
[Round "7"]
[White "Zuidema, Coenraad"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "83"]
[ECO "B04"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Be2 Bg7 6.c4 Nb6 7.exd6 cxd6 8.h3 O-O
9.Nc3 Nc6 10.O-O Bf5 11.Be3 d5 12.c5 Nc4 13.Bxc4 dxc4 14.Qa4 Bd3 15.Rfd1 
f5 16.d5 Ne5 17.Nd4 f4 18.Bxf4 Rxf4 19.Ne6 Qb8 20.Nxf4 Nf3+ 21.gxf3 Qxf4 
22.Rxd3 Qg5+ 23.Kf1 cxd3 24.Rd1 Bxc3 25.bxc3 Qxd5 26.Qb3 Qf7 27.Rxd3 e6 
28.Qa4 Rf8 29.Qe4 Qe7 30.Rd6 e5 31.Qd5+ Rf7 32.Re6 Qg5 33.Rxe5 Qf6 34.Re8+
Kg7 35.Qd4 Kh6 36.Qxf6 Rxf6 37.Re7 Rxf3 38.Rxb7 Rxh3 39.Rxa7 Rxc3 40.Ra5 
Rc2 41.Ke1 Kg7 42.Ra7+ 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.08"]
[Round "8"]
[White "Etmans, Maarten"]
[Black "Kramer, Haije"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "102"]
[ECO "B31"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.Re1 Qb6 7.Na3 O-O 8.d4 
cxd4 9.cxd4 d5 10.e5 Ne4 11.Be3 Be6 12.Nd2 Nxd2 13.Qxd2 Rfc8 14.Rac1 a6 
15.Bxc6 Rxc6 16.Rxc6 Qxc6 17.Qb4 Qd7 18.Rc1 Bf8 19.Nb1 Rc8 20.Rc3 Bf5 21.
Rxc8 Qxc8 22.Nc3 Qc6 23.Qa5 b5 24.Qd8 Qc8 25.Qxc8 Bxc8 26.Nxd5 Be6 27.Nc7 
Bxa2 28.Nxa6 f6 29.Nb4 Bc4 30.f4 Kf7 31.d5 g5 32.e6+ Kg6 33.g4 gxf4 34.
Bxf4 f5 35.g5 Kh5 36.Be3 Kg4 37.Kf2 f4 38.Bd4 Kxg5 39.Kf3 Kf5 40.Bb6 Bb3 
41.Bd8 Bd1+ 42.Kf2 Ke5 43.Bc7+ Ke4 44.Na2 Kxd5 45.Nc3+ Kc6 46.Bxf4 Bb3 47.
Ne2 Bg7 48.Be3 Bxb2 49.Bd4 Ba3 50.Be3 Bc4 51.Nd4+ Kd5 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.08"]
[Round "8"]
[White "Kuijpers, Franciscus"]
[Black "De Ruiter, Tom"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "55"]
[ECO "B15"]

1.e4 c6 2.d4 d5 3.Nc3 g6 4.Be3 Bg7 5.h3 dxe4 6.Nxe4 Nd7 7.Nf3 Ngf6 8.Nxf6+
Nxf6 9.Qd2 Ne4 10.Qc1 O-O 11.Be2 Be6 12.O-O b5 13.Bh6 Nd6 14.Bxg7 Kxg7 15.
Re1 Bd5 16.Qf4 Nf5 17.c3 Qd6 18.Ne5 f6 19.Nd3 Rae8 20.Qxd6 Nxd6 21.a4 a6 
22.Bf1 e6 23.Nc5 Re7 24.Nxa6 Ra8 25.Nc5 Rea7 26.b3 Kf7 27.Rac1 bxa4 28.c4 
1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.08"]
[Round "8"]
[White "Langeweg, Christian"]
[Black "Donner, Jan"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "69"]
[ECO "E92"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.d4 O-O 5.e4 d6 6.Be2 e5 7.Be3 Ng4 8.Bg5 f6 
9.Bh4 Nc6 10.d5 Ne7 11.Nd2 f5 12.exf5 gxf5 13.Bxg4 fxg4 14.Nde4 h6 15.O-O 
Qe8 16.Bxe7 Qxe7 17.b4 b6 18.Rc1 Rf4 19.c5 Bf5 20.cxd6 cxd6 21.Qe2 Qd7 22.
g3 Rf3 23.Nb1 Rf8 24.Nbd2 Ra3 25.Rc2 Ra4 26.Rb1 a5 27.Nc4 Bxe4 28.Qxe4 
Rxb4 29.Rxb4 axb4 30.Nxb6 Qf5 31.Qxf5 Rxf5 32.Rc4 h5 33.Rxb4 Rf7 34.a4 Rc7
35.a5 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.08"]
[Round "8"]
[White "Ree, Hans"]
[Black "Van Baarle, John"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "122"]
[ECO "A37"]

1.c4 c5 2.Nf3 g6 3.g3 Bg7 4.Bg2 Nc6 5.Nc3 e6 6.d3 Nge7 7.Bf4 e5 8.Bd2 O-O 
9.O-O h6 10.Ne1 d6 11.Nc2 Rb8 12.a3 Nd4 13.Ne3 Ndf5 14.b4 Be6 15.Rb1 b6 
16.Qa4 Nxe3 17.Bxe3 Qd7 18.Qxd7 Bxd7 19.Nb5 Bxb5 20.cxb5 Nf5 21.bxc5 Nxe3 
22.fxe3 dxc5 23.Bd5 Rbd8 24.e4 Rd7 25.a4 Rc8 26.a5 bxa5 27.Ra1 Rcc7 28.
Rxa5 Rd6 29.Rfa1 Rdd7 30.Bc6 Re7 31.Rc1 Bf6 32.Rxc5 Re6 33.Kf2 Bd8 34.Ra6 
Rce7 35.Rc4 Rf6+ 36.Ke1 Bb6 37.Bd5 Kg7 38.Rc6 Rd7 39.Rxf6 Kxf6 40.Kd2 Rc7 
41.e3 Ke7 42.Ra1 Rc8 43.Bc4 Rd8 44.Rf1 f6 45.Bd5 Rc8 46.Bc4 Rd8 47.g4 g5 
48.h4 gxh4 49.Rh1 Kf8 50.Rxh4 Kg7 51.Rh1 Rh8 52.Ke2 Rd8 53.Ra1 Rh8 54.Rh1 
Rd8 55.Be6 Re8 56.Bd7 Re7 57.Bc6 Kf8 58.Rc1 Rh7 59.d4 h5 60.gxh5 Rxh5 61.
Bd7 Ke7 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.08"]
[Round "8"]
[White "Timman, Jan"]
[Black "Scholl, Eduard"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "69"]
[ECO "A22"]

1.c4 Nf6 2.g3 e5 3.Nc3 Bb4 4.Bg2 O-O 5.e4 Nc6 6.a3 Bxc3 7.dxc3 d6 8.Ne2 
Be6 9.b3 Qd7 10.h3 Ne8 11.Be3 f5 12.exf5 Bxf5 13.g4 Be6 14.Ng3 Nf6 15.g5 
Ne8 16.Be4 Ne7 17.Bxb7 Rb8 18.Be4 c6 19.Qd3 g6 20.b4 d5 21.Bc5 Rf7 22.Bg2 
Rd8 23.Rd1 Nd6 24.Bxd6 Qxd6 25.Ne4 Qc7 26.Nf6+ Kh8 27.h4 Bf5 28.Qg3 Bc2 
29.Rd2 Bb3 30.c5 Bc4 31.h5 gxh5 32.Rxh5 Ng6 33.Rh6 Nf4 34.Bf1 e4 35.Bxc4 
1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.08"]
[Round "8"]
[White "Zuidema, Coenraad"]
[Black "Piket, Joop"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "91"]
[ECO "B61"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 Bd7 7.Qd2 Rc8 8.
O-O-O Nxd4 9.Qxd4 Qa5 10.f4 Rxc3 11.bxc3 e5 12.Qb4 Qxb4 13.cxb4 Nxe4 14.
Re1 Nxg5 15.fxg5 Be7 16.h4 h6 17.gxh6 Rxh6 18.h5 Bg5+ 19.Kb1 Bd2 20.Re4 f5
21.Rc4 Kd8 22.c3 Bg5 23.b5 Bxb5 24.Rb4 Bc6 25.Rh3 Kc7 26.c4 f4 27.Rh2 Bf6 
28.Kc2 g6 29.Be2 Be8 30.Bf3 b6 31.Kd3 gxh5 32.Be4 h4 33.Rb3 Rh8 34.Bd5 Rh7
35.Be4 Rg7 36.Ke2 Bh5+ 37.Kd2 Bg4 38.Rh1 Be6 39.Re1 Kb8 40.Rc3 Rc7 41.Bd5 
Bxd5 42.cxd5 Rg7 43.Re2 e4 44.Rc4 e3+ 45.Kd3 Be5 46.Rc1 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.09"]
[Round "9"]
[White "De Ruiter, Tom"]
[Black "Zuidema, Coenraad"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "66"]
[ECO "C96"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Nd7 12.dxe5 dxe5 13.Nbd2 f6 14.Nf1 Nb6 15.Qe2 Be6
16.b3 Qc7 17.g4 c4 18.b4 Nc6 19.Be3 a5 20.a3 Ra6 21.a4 axb4 22.axb5 Rxa1 
23.Rxa1 Na7 24.Ra6 Rb8 25.cxb4 Bxb4 26.Ba4 Nac8 27.g5 Bxh3 28.Ng3 Bg4 29.
Bc2 fxg5 30.Nf5 h6 31.Bc1 Qd7 32.Qe3 Qxb5 33.Nxe5 Qxe5 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.09"]
[Round "9"]
[White "Donner, Jan"]
[Black "Etmans, Maarten"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "43"]
[ECO "A52"]

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4 Bb4+ 5.Nd2 d6 6.exd6 Qf6 7.Bg3 Qxb2 8.
Nf3 Bc3 9.Rb1 Qxa2 10.e4 Nc6 11.Be2 cxd6 12.Bxd6 Be6 13.O-O Rd8 14.c5 b6 
15.Bb5 Rc8 16.cxb6 axb6 17.Nb3 Bd7 18.Qd3 Bf6 19.e5 Be7 20.Ra1 Qb2 21.Bxe7
Kxe7 22.Qd6+ 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.09"]
[Round "9"]
[White "Kramer, Haije"]
[Black "Kuijpers, Franciscus"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "59"]
[ECO "B20"]

1.g3 g6 2.Bg2 Bg7 3.e4 c5 4.Ne2 Nc6 5.O-O d6 6.d3 e5 7.c4 a6 8.Nbc3 Rb8 9.
a3 Nge7 10.Rb1 b5 11.cxb5 axb5 12.b4 cxb4 13.axb4 O-O 14.h3 Be6 15.Nd5 f5 
16.Be3 Kh8 17.Qd2 Bg8 18.Nxe7 Nxe7 19.f4 d5 20.fxe5 dxe4 21.dxe4 Qxd2 22.
Bxd2 Bc4 23.Rf2 fxe4 24.Bxe4 Rxf2 25.Kxf2 Rf8+ 26.Ke1 Bxe5 27.Bc3 Bxc3+ 
28.Nxc3 Nf5 29.Kf2 Kg7 30.Ra1 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.09"]
[Round "9"]
[White "Piket, Joop"]
[Black "Timman, Jan"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "86"]
[ECO "B25"]

1.e4 c5 2.Nc3 d6 3.g3 Nc6 4.Bg2 g6 5.d3 Bg7 6.Nh3 b6 7.O-O Bb7 8.f4 Qd7 9.
Be3 Nd4 10.Qd2 f5 11.Nd1 Nf6 12.c3 Nc6 13.Ndf2 O-O 14.exf5 gxf5 15.Ng5 h6 
16.Nf3 Nd5 17.Nh4 Nxe3 18.Qxe3 Rae8 19.Rae1 Rf6 20.Bd5+ e6 21.Nxf5 Rxf5 
22.Bxe6+ Rxe6 23.Qxe6+ Qf7 24.Qxf7+ Kxf7 25.Ne4 Rd5 26.Rd1 Ba6 27.Nf2 b5 
28.Rfe1 b4 29.c4 Rf5 30.Ne4 Bf8 31.Rf1 Ke7 32.Rde1 Kd7 33.b3 Nd4 34.Rf2 d5
35.Nd2 Bg7 36.Nf1 dxc4 37.dxc4 Bb7 38.Ne3 Rf7 39.Rd1 Kc7 40.Nd5+ Kd6 41.a3
Bxd5 42.cxd5 bxa3 43.Ra2 Nb5 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.09"]
[Round "9"]
[White "Scholl, Eduard"]
[Black "Ree, Hans"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "112"]
[ECO "C96"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c6 11.d4 Qc7 12.Nbd2 h6 13.Nf1 Re8 14.Ng3 Bf8 15.Nh2 Nc4 
16.b3 Nb6 17.Qf3 Nh7 18.dxe5 dxe5 19.Nf5 Be6 20.h4 c5 21.g4 c4 22.b4 a5 
23.bxa5 Rxa5 24.g5 hxg5 25.hxg5 Rea8 26.Kg2 Rxa2 27.Rxa2 Rxa2 28.Bb1 Ra1 
29.Rh1 Rxb1 30.Qh5 Bxf5 31.exf5 g6 32.Qh4 Rxc1 33.Rxc1 gxf5 34.Rh1 Qc6+ 
35.Nf3 Qg6 36.Nxe5 Qxg5+ 37.Qxg5+ Nxg5 38.Rb1 b4 39.cxb4 c3 40.Nd3 Bg7 41.
b5 Kf8 42.Ra1 Bd4 43.Ra7 Ne6 44.Kf3 Nc4 45.Ra4 Nb2 46.Ra8+ Ke7 47.Nb4 Kd7 
48.Nc2 Bc5 49.Ra6 Nc4 50.Ke2 Nd6 51.Kd3 Nxb5 52.Kc4 Nbd4 53.Kxc3 Nxc2 54.
Kxc2 Bxf2 55.Kd2 Ke7 56.Ke2 Bd4 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.09"]
[Round "9"]
[White "Van Baarle, John"]
[Black "Langeweg, Christian"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "76"]
[ECO "E12"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.a3 d5 6.Bg5 Be7 7.e3 O-O 8.Rc1 Nbd7 
9.cxd5 exd5 10.Bd3 c5 11.O-O Ne4 12.Bxe7 Qxe7 13.Qe2 Nxc3 14.Rxc3 c4 15.
Bf5 Nf6 16.Ne5 b5 17.f4 Ne8 18.e4 g6 19.Bh3 Nf6 20.f5 dxe4 21.Rg3 Qd6 22.
Qe3 Kg7 23.Rg5 Rad8 24.Kh1 Qxd4 25.Qg3 Qd1 26.Rg1 Nh5 27.Qe3 Qd2 28.Qxa7 
Qxg5 29.Qxb7 Qe3 30.fxg6 hxg6 31.Qxb5 Nf4 32.Bg4 Nd3 33.Nxd3 cxd3 34.Qe5+ 
Kg8 35.h4 Qd4 36.Qg5 Rd5 37.Qe7 Qc5 38.h5 Rxh5+ 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.10"]
[Round "10"]
[White "Etmans, Maarten"]
[Black "Van Baarle, John"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "142"]
[ECO "B18"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Bd3 Qxd4 6.Nf3 Qd8 7.Qe2 e6 8.Bf4 
Bxe4 9.Bxe4 Nf6 10.O-O Be7 11.Bd3 O-O 12.Rfe1 Nbd7 13.c4 Qb6 14.a3 Nc5 15.
Bc2 a5 16.Ne5 Nb3 17.Qd3 Nxa1 18.Nd7 Nxc2 19.Nxb6 Nxe1 20.Qe2 Nxg2 21.Kxg2
Rad8 22.Be5 Bc5 23.Na4 Bd4 24.Bc7 Ra8 25.Qd3 e5 26.Qf5 Rfe8 27.Nb6 Bxb6 
28.Bxb6 a4 29.Bc7 e4 30.Qc5 Rac8 31.Qb6 Re7 32.Bd8 Nd7 33.Qb4 Re6 34.Bh4 
b6 35.Qxa4 Rce8 36.Qa7 Rd6 37.Qc7 Rd2 38.Bg5 Rd3 39.Qxc6 h6 40.Be3 Re6 41.
Qa8+ Kh7 42.b4 f5 43.c5 bxc5 44.bxc5 Ne5 45.Kf1 Nf3 46.Ke2 Ng1+ 47.Ke1 
Nf3+ 48.Ke2 Nd4+ 49.Bxd4 Rxd4 50.Qb8 Rd5 51.Qb3 Ree5 52.c6 Rc5 53.Qb7 Re6 
54.a4 Rcxc6 55.a5 Rf6 56.Ke3 Ra6 57.Qc7 Rac6 58.Qb7 Rc3+ 59.Kd4 Ra3 60.Qb5
Rd3+ 61.Ke5 Ra3 62.Kd4 Ra2 63.Ke3 f4+ 64.Kxe4 Rxf2 65.h4 f3 66.Ke5 Re2+ 
67.Kd4 f2 68.Qb1+ Kh8 69.Qb8+ Kh7 70.Qb1+ Kg8 71.Qb8+ Rf8 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.10"]
[Round "10"]
[White "Kuijpers, Franciscus"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "58"]
[ECO "B09"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 7.Be3 Ng4 8.Bg1 e5 
9.fxe5 dxe5 10.d5 Nd4 11.h3 Nh6 12.Qd2 f5 13.Be3 Nf7 14.O-O-O fxe4 15.Bxe4
Nf5 16.Kb1 Nxe3 17.Qxe3 Qe7 18.Rhe1 Bd7 19.Bd3 a6 20.Ne4 Rae8 21.Bc4 Nd6 
22.Be2 Kh8 23.Nc5 Nf5 24.Qg1 Nd4 25.Nxd4 Qxc5 26.Ne6 Qxg1 27.Rxg1 Bxe6 28.
dxe6 Re7 29.Rgf1 Bf6 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.10"]
[Round "10"]
[White "Langeweg, Christian"]
[Black "Scholl, Eduard"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "147"]
[ECO "A11"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 d5 6.c4 c6 7.O-O Bg4 8.h3 Bxf3 
9.Bxf3 e6 10.d3 a5 11.a3 Nbd7 12.Nd2 Qb6 13.Qc2 Rfd8 14.e3 Ne8 15.Bxg7 
Nxg7 16.d4 Nf5 17.Bg2 Rdc8 18.Rfc1 Qd8 19.Qb2 Qf8 20.Rc2 b6 21.e4 dxe4 22.
Nxe4 Qg7 23.Rd1 Rab8 24.Qc3 Nf6 25.Ng5 Nd7 26.g4 Nh4 27.Bh1 h6 28.Ne4 g5 
29.Nd6 Rc7 30.Qg3 e5 31.Re2 f6 32.dxe5 Nxe5 33.f4 Neg6 34.fxg5 fxg5 35.
Re8+ Rxe8 36.Nxe8 Nf4 37.Nxg7 Ne2+ 38.Kh2 Nxg3 39.Ne6 Re7 40.Bxc6 Ne2 41.
Bd5 Kh8 42.Rf1 Nc3 43.b4 axb4 44.axb4 Ra7 45.Rf8+ Kh7 46.Ra8 Rxa8 47.Bxa8 
Ng6 48.Bb7 Kg8 49.Nd4 Ne7 50.Kg3 Kf7 51.Kf3 Kf6 52.Ke3 Ke5 53.Nf3+ Kd6 54.
Ne1 Nd1+ 55.Kd4 Nf2 56.c5+ bxc5+ 57.bxc5+ Kc7 58.Bg2 Ng6 59.Ke3 Nd1+ 60.
Kd2 Nf2 61.Ke3 Nd1+ 62.Ke2 Nb2 63.Bf3 Nf4+ 64.Ke3 Nxh3 65.Kd4 Nf4 66.Ke5 
Nfd3+ 67.Nxd3 Nxd3+ 68.Kd5 Nf4+ 69.Ke5 Nd3+ 70.Kd4 Nf4 71.Ke5 Nd3+ 72.Kf6 
Nxc5 73.Kg6 Nd7 74.Kxh6 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.10"]
[Round "10"]
[White "Piket, Joop"]
[Black "De Ruiter, Tom"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "19"]
[ECO "B25"]

1.e4 c5 2.Nc3 Nc6 3.Nge2 e5 4.d3 g6 5.g3 Bg7 6.Bg2 d6 7.O-O h5 8.f4 Nge7 
9.Be3 Nd4 10.Qd2 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.10"]
[Round "10"]
[White "Timman, Jan"]
[Black "Ree, Hans"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "119"]
[ECO "A07"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.O-O Bg4 5.h3 Bh5 6.d3 Nbd7 7.b3 e5 8.Bb2 Bd6 
9.c4 O-O 10.cxd5 cxd5 11.Nc3 d4 12.Nb5 Be7 13.a4 a6 14.Na3 Bb4 15.Nc4 Re8 
16.Ne1 Qc7 17.Nc2 Bf8 18.b4 Nb6 19.Nxb6 Qxb6 20.g4 Bg6 21.f4 exf4 22.Rxf4 
Bxb4 23.Nxb4 Qxb4 24.Rb1 Rac8 25.Rxd4 Qe7 26.Bf3 h5 27.Kg2 hxg4 28.hxg4 
Nh7 29.Bc1 Qc5 30.Rd7 b6 31.Bf4 Red8 32.Rxd8+ Rxd8 33.Qb3 Re8 34.Qxb6 Qc2 
35.Qb3 Rxe2+ 36.Bxe2 Qxe2+ 37.Kg3 Bxd3 38.Qd1 Nf6 39.Qxe2 Bxe2 40.Rb6 Kh7 
41.a5 Ng8 42.Kf2 Bc4 43.Ke3 f6 44.Kd4 Be2 45.Kc5 g5 46.Bd2 Kg6 47.Bc3 Kf7 
48.Rd6 Ke7 49.Rd4 Kf7 50.Rd7+ Ke6 51.Rd8 Kf7 52.Kb6 Nh6 53.Ra8 Nxg4 54.
Rxa6 Bxa6 55.Kxa6 Ne5 56.Kb5 g4 57.a6 Nf3 58.a7 g3 59.a8=Q g2 60.Qd5+ 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.10"]
[Round "10"]
[White "Zuidema, Coenraad"]
[Black "Kramer, Haije"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "80"]
[ECO "B89"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d6 6.Bc4 Nf6 7.Be3 d5 8.exd5 
exd5 9.Bb5 Bd7 10.O-O Be7 11.Bxc6 bxc6 12.Nb3 O-O 13.Bc5 Bxc5 14.Nxc5 Rb8 
15.N3a4 Bf5 16.c3 Qd6 17.f3 Rfe8 18.Qd2 Nh5 19.Rfe1 Nf4 20.b4 h5 21.Nb3 h4
22.Nd4 Bd7 23.Nc5 Rxe1+ 24.Rxe1 Re8 25.Rxe8+ Bxe8 26.Ne2 Nxe2+ 27.Qxe2 Kf8
28.Qe3 Qg6 29.Nd3 Bd7 30.Kf2 Kg8 31.g4 hxg3+ 32.hxg3 Bc8 33.g4 Ba6 34.Nc5 
Qc2+ 35.Kg3 Qxa2 36.Qe8+ Kh7 37.Qxf7 Bf1 38.Qh5+ Kg8 39.Qe8+ Kh7 40.Qh5+ 
Kg8 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.12"]
[Round "11"]
[White "De Ruiter, Tom"]
[Black "Timman, Jan"]
[Result "0-1"]
[EventDate "1969.03.31"]
[PlyCount "66"]
[ECO "B23"]

1.e4 c5 2.Nc3 d6 3.f4 Nc6 4.Nf3 g6 5.Bb5 Bg7 6.d3 e6 7.e5 d5 8.Bxc6+ bxc6 
9.O-O Ba6 10.b3 Bf8 11.Qe2 Qa5 12.Bd2 c4 13.Ne4 Qb6+ 14.Be3 cxd3 15.cxd3 
c5 16.Nf6+ Nxf6 17.exf6 Qd8 18.Bc1 Bd6 19.Bb2 d4 20.Qe4 O-O 21.Ne5 Bb5 22.
a4 Be8 23.g4 Rb8 24.Nc4 Rxb3 25.Bc1 Bc7 26.Nd2 Rc3 27.Rf3 Qxf6 28.Qb7 Bxf4
29.Ne4 Bxh2+ 30.Kg2 Rc2+ 31.Bd2 Qe5 32.Rh1 Bf4 33.Kf1 Rxd2 0-1

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.12"]
[Round "11"]
[White "Donner, Jan"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "45"]
[ECO "E45"]

1.c4 Nf6 2.d4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.Ng3 O-O 7.e4 d5 8.cxd5 
Bxc3+ 9.bxc3 Bxf1 10.Kxf1 exd5 11.e5 Ne4 12.f3 Ng5 13.f4 Ne4 14.Nxe4 dxe4 
15.d5 Qd7 16.Qd4 Rd8 17.c4 b5 18.Kf2 bxc4 19.Rd1 Nc6 20.Qxc4 Ne7 21.d6 
cxd6 22.Rxd6 Qb7 23.Qb3 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.12"]
[Round "11"]
[White "Kramer, Haije"]
[Black "Piket, Joop"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "109"]
[ECO "A48"]

1.Nf3 Nf6 2.b3 g6 3.Bb2 Bg7 4.d4 d5 5.c4 c6 6.e3 O-O 7.Be2 Bf5 8.O-O h6 9.
Ne5 g5 10.Nc3 e6 11.Bd3 Bxd3 12.Qxd3 Nfd7 13.Nxd7 Nxd7 14.cxd5 exd5 15.Ba3
Re8 16.Ne2 Nf6 17.f3 Re6 18.Ng3 Qa5 19.Bb2 Rae8 20.Bc3 Qa3 21.Nf5 Bf8 22.
g4 a5 23.Qd2 Ra8 24.Rf2 Ne8 25.h4 Nd6 26.hxg5 hxg5 27.Rh2 Nxf5 28.gxf5 Rh6
29.e4 f6 30.e5 Qe7 31.Rxh6 Bxh6 32.a4 Kg7 33.Kg2 Qd7 34.e6 Qc7 35.Rh1 Rh8 
36.Bxa5 b6 37.Bc3 g4 38.Qf2 Qf4 39.fxg4 Qe4+ 40.Qf3 Qc2+ 41.Kg3 Bf4+ 42.
Kxf4 Rxh1 43.Qxh1 Qxc3 44.Qd1 c5 45.dxc5 Qe5+ 46.Kf3 Qe4+ 47.Kf2 bxc5 48.
Qe2 Qd4+ 49.Kf3 Kf8 50.Qe3 Qd1+ 51.Kg3 d4 52.Qf3 Qe1+ 53.Kg2 Qd2+ 54.Kf1 
d3 55.Qa8+ 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.12"]
[Round "11"]
[White "Ree, Hans"]
[Black "Langeweg, Christian"]
[Result "1-0"]
[EventDate "1969.03.31"]
[PlyCount "69"]
[ECO "B33"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Be3 a6 8.Na3 
b5 9.Nd5 Rb8 10.g3 Nxd5 11.exd5 Ne7 12.Bg2 Nf5 13.Bd2 Be7 14.O-O b4 15.Nc4
Bd7 16.Re1 Qc7 17.b3 Bb5 18.Ne3 Nxe3 19.Bxe3 O-O 20.Qd2 Qc3 21.a3 Rfc8 22.
Rec1 a5 23.axb4 axb4 24.Qxc3 bxc3 25.Ra7 Bd8 26.Rca1 g6 27.Bh3 f5 28.Bh6 
Bb6 29.Rg7+ Kh8 30.g4 fxg4 31.Bxg4 Rf8 32.Re7 Rxf2 33.Kh1 Rf5 34.Bxf5 gxf5
35.Rb7 1-0

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.12"]
[Round "11"]
[White "Scholl, Eduard"]
[Black "Etmans, Maarten"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "42"]
[ECO "C11"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 a6 8.dxc5 Bxc5
9.Bxc5 Nxc5 10.Bd3 Qb6 11.Qd2 Qxb2 12.Rb1 Nxd3+ 13.Qxd3 Qa3 14.O-O Qc5+ 
15.Kh1 b5 16.a3 Bd7 17.Rfd1 Ra7 18.Ne2 Ne7 19.Ned4 g6 20.Rb3 Rc7 21.Qd2 
Nc8 1/2-1/2

[Event "25th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1969.04.12"]
[Round "11"]
[White "Van Baarle, John"]
[Black "Kuijpers, Franciscus"]
[Result "1/2-1/2"]
[EventDate "1969.03.31"]
[PlyCount "30"]
[ECO "D55"]

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 O-O 6.e3 h6 7.Bxf6 Bxf6 8.Rc1 c6
9.Bd3 Nd7 10.cxd5 exd5 11.O-O a5 12.a3 Be7 13.Rb1 Bd6 14.Qc2 Qe7 15.Rfc1 
Re8 1/2-1/2
