[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.05"]
[Round "1"]
[White "Baljon, Christofoor"]
[Black "Van Dop, Arend"]
[Result "1-0"]
[WhiteElo "2255"]
[BlackElo "2300"]
[EventDate "1979.03.05"]
[PlyCount "57"]
[ECO "B57"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Qb6 7.Ndb5 a6 8.Be3 
Qa5 9.Nd4 Ng4 10.Nxc6 bxc6 11.O-O Nxe3 12.fxe3 e6 13.Qf3 Ra7 14.Rad1 Qe5 
15.Bb3 Rc7 16.Nb1 Bb7 17.Nd2 d5 18.exd5 exd5 19.e4 Bc5+ 20.Kh1 Bd6 21.Qh3 
O-O 22.exd5 cxd5 23.c3 Re7 24.Nf3 Qe6 25.Qh5 Qe2 26.Rde1 Qd3 27.Nd4 Re5 
28.Qf3 Rxe1 29.Qxd3 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.05"]
[Round "1"]
[White "Bohm, Hans"]
[Black "Van der Vliet, Fredrik"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2365"]
[EventDate "1979.03.05"]
[PlyCount "115"]
[ECO "E72"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.g3 O-O 6.Bg2 Nc6 7.Nge2 a6 8.O-O Rb8 
9.a3 e5 10.d5 Na5 11.b3 c5 12.a4 Bd7 13.Bd2 Ne8 14.Qc2 f5 15.f3 Nf6 16.h3 
Qc7 17.Kh2 Rf7 18.exf5 gxf5 19.g4 f4 20.Nc1 Kh8 21.Nd3 Rff8 22.Nf2 Be8 23.
Nfe4 Bg6 24.Rfe1 b6 25.Reb1 Nb7 26.Bf1 Nxe4 27.Nxe4 a5 28.Bd3 Bxe4 29.Bxe4
Bf6 30.Be1 Qe7 31.Qf2 Kg7 32.h4 h6 33.Kh3 Kf7 34.Qc2 Ke8 35.Bf2 Kd7 36.Rh1
Kc7 37.Rag1 Nd8 38.Kg2 Nf7 39.Bf5 Kb7 40.Kf1 Rg8 41.Be6 Rg7 42.Bxf7 Qxf7 
43.Qf5 Qe7 44.Ke2 Rbg8 45.Kd3 Kc7 46.Ke4 Rg6 47.Kd3 R6g7 48.Rg2 Rg6 49.Be1
R6g7 50.Re2 Rg6 51.Rh3 Qd7 52.Qxd7+ Kxd7 53.Ke4 Ke7 54.Rg2 Kf7 55.Rh1 Be7 
56.Rhg1 Bf6 57.Rh2 Be7 58.Rgh1 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.05"]
[Round "1"]
[White "Donner, Jan"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2465"]
[BlackElo "2395"]
[EventDate "1979.03.05"]
[PlyCount "62"]
[ECO "D25"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.O-O Nbd7 8.b3 
Bd6 9.Bb2 c6 10.Nbd2 Qe7 11.Be2 Ba3 12.Bxa3 Qxa3 13.e4 O-O 14.Nc4 Qe7 15.
Nfe5 Bxe2 16.Qxe2 c5 17.Nxd7 Nxd7 18.Rad1 Rfd8 19.Qe3 cxd4 20.Rxd4 Nb6 21.
Nxb6 axb6 22.Rfd1 h6 23.a4 Rac8 24.e5 Rxd4 25.Qxd4 Qc5 26.Qe4 Qc6 27.Qe2 
Qc7 28.Rd6 Qc1+ 29.Kh2 Qf4+ 30.g3 Qf5 31.Kg2 b5 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.05"]
[Round "1"]
[White "Hofland, Leonard"]
[Black "Van der Weide, Piet"]
[Result "1/2-1/2"]
[WhiteElo "2295"]
[BlackElo "2290"]
[EventDate "1979.03.05"]
[PlyCount "73"]
[ECO "E01"]

1.c4 e6 2.d4 d5 3.Nf3 Nf6 4.g3 c6 5.Qc2 Nbd7 6.Bg2 Ne4 7.O-O Bd6 8.b3 f5 
9.Bb2 Qf6 10.Ne1 h5 11.f3 Nxg3 12.hxg3 Bxg3 13.f4 h4 14.Qc3 Qg6 15.Kh1 Nf6
16.Nd3 Nh5 17.Ne5 Qh6 18.e3 g5 19.cxd5 exd5 20.Nd3 h3 21.Bf3 g4 22.Nd2 Bh4
23.Rfd1 Ng3+ 24.Kh2 Ne4 25.Nxe4 fxe4 26.Bxg4 Bxg4 27.Rg1 Bf3 28.Ne1 O-O-O 
29.Nxf3 exf3 30.Qd3 f2 31.Qf5+ Kb8 32.Rg4 Rhg8 33.Ba3 Rxg4 34.Qxg4 Qh7 35.
Rf1 Rg8 36.Qf3 Rg1 37.Rxg1 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.05"]
[Round "1"]
[White "Langeweg, Christian"]
[Black "Ligterink, Gert"]
[Result "0-1"]
[WhiteElo "2440"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "64"]
[ECO "E74"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.dxc5 Qa5 8.Bd2 
Qxc5 9.h3 Nbd7 10.Nf3 b6 11.O-O Bb7 12.Be3 Qc7 13.Nd2 e6 14.Rc1 a6 15.b4 
Rac8 16.f4 Qb8 17.Bf3 b5 18.cxb5 axb5 19.Qe2 Nh5 20.Qd3 Ng3 21.Rfe1 f5 22.
Bf2 fxe4 23.Ncxe4 Rxc1 24.Rxc1 Nxe4 25.Nxe4 d5 26.Ng5 Qxf4 27.Be3 Qg3 28.
Qxb5 Bc8 29.Qe2 Ne5 30.Bg4 Nxg4 31.hxg4 Ba6 32.Qd2 Be5 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.05"]
[Round "1"]
[White "Sosonko, Gennadi"]
[Black "Van der Wiel, John"]
[Result "1-0"]
[WhiteElo "2535"]
[EventDate "1979.03.05"]
[PlyCount "77"]
[ECO "E97"]

1.d4 g6 2.c4 Bg7 3.Nc3 Nf6 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.b4 Nh5 10.g3 a5 11.Ba3 f5 12.bxa5 Nf6 13.Nd2 Bh6 14.Bf3 Bxd2 15.Qxd2 
fxe4 16.Nxe4 Nfxd5 17.Bg2 Nb6 18.axb6 Rxa3 19.bxc7 Qxc7 20.Nxd6 Ra6 21.
Nxc8 Rxc8 22.Rfe1 Rd8 23.Qb2 Re6 24.Qxb7 Qxc4 25.Bh3 Nf5 26.Bxf5 gxf5 27.
Rad1 Qc8 28.Rxd8+ Qxd8 29.a4 Re7 30.Qb5 Qd4 31.a5 f4 32.a6 Kg7 33.Qe2 Kf6 
34.Qh5 fxg3 35.Qh6+ Kf5 36.hxg3 Rf7 37.Re3 Qg4 38.Qd6 e4 39.Qd5+ 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.05"]
[Round "1"]
[White "Timman, Jan"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2625"]
[BlackElo "2480"]
[EventDate "1979.03.05"]
[PlyCount "108"]
[ECO "B85"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be2 Nf6 7.O-O Be7 8.Be3 
O-O 9.f4 a6 10.Qe1 Bd7 11.Qg3 b5 12.e5 dxe5 13.fxe5 Nxd4 14.Bxd4 Bc6 15.
Rf4 Nd7 16.Raf1 Qc7 17.Bg4 Bc5 18.Bxc5 Nxc5 19.Qf2 Qe7 20.Bh5 Be8 21.Bf3 
Rd8 22.Rd4 Rxd4 23.Qxd4 Qc7 24.Re1 Nd7 25.a3 h6 26.Qd6 Qa7+ 27.Kf1 Nb6 28.
Qc5 Qb8 29.Be4 Bd7 30.Bd3 Rc8 31.Qd4 Bc6 32.Ne4 Rd8 33.Qe3 Nc4 34.Bxc4 
Bxe4 35.Bxe6 Bxg2+ 36.Kxg2 fxe6 37.Qe4 Qc7 38.Re2 Rd5 39.Qg6 Rxe5 40.Qe8+ 
Kh7 41.Rxe5 Qxe5 42.Qc8 Qxb2 43.Qc6 Qe5 44.Qxa6 Qe2+ 45.Kg3 Qxc2 46.Qxb5 
Qc3+ 47.Kf4 Qxa3 48.Qb1+ Kg8 49.Ke5 Qe3+ 50.Kd6 Qf4+ 51.Kxe6 Qxh2 52.Qb3 
Kh8 53.Qc3 Qf2 54.Ke7 h5 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.06"]
[Round "2"]
[White "Hartoch, Robert"]
[Black "Baljon, Christofoor"]
[Result "0-1"]
[WhiteElo "2395"]
[BlackElo "2255"]
[EventDate "1979.03.05"]
[PlyCount "81"]
[ECO "E76"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.f4 c5 6.d5 d6 7.Nf3 b5 8.cxb5 a6 9.
a4 axb5 10.Bxb5 Na6 11.e5 Ne8 12.O-O Nb4 13.Be3 Nc7 14.Bc4 Ra5 15.Qd2 Na8 
16.Bf2 Nb6 17.b3 Nxc4 18.bxc4 Bf5 19.Bh4 Qd7 20.exd6 exd6 21.Rfe1 Bd3 22.
f5 Qxf5 23.Be7 Rfa8 24.Bxd6 Nc2 25.Bc7 Nxa1 26.Rxa1 Bxc3 27.Qxc3 Rxa4 28.
Rxa4 Rxa4 29.Qe1 Qe4 30.Qxe4 Bxe4 31.d6 Bf5 32.Ne5 Ra1+ 33.Kf2 Rd1 34.Ke2 
Rd4 35.g4 Be6 36.Ke3 f6 37.Nd3 Rxc4 38.Bb6 Rc3 39.Kd2 Rb3 40.Bxc5 Bxg4 41.
Nb4 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.06"]
[Round "2"]
[White "Hofland, Leonard"]
[Black "Bohm, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2295"]
[BlackElo "2410"]
[EventDate "1979.03.05"]
[PlyCount "83"]
[ECO "A10"]

1.c4 e6 2.Nc3 f5 3.g3 Nf6 4.Bg2 d5 5.cxd5 exd5 6.e3 c6 7.Nge2 Bd6 8.Rb1 a5
9.Qc2 O-O 10.O-O Qe8 11.d3 Nbd7 12.Bd2 Nc5 13.Na4 Ne6 14.Nb6 Ra6 15.Nxc8 
Qxc8 16.Bc3 Bb4 17.Bxf6 gxf6 18.Nf4 Ng5 19.h4 Nf7 20.e4 Bd6 21.Nh5 fxe4 
22.dxe4 Be5 23.exd5 cxd5 24.Qxc8 Rxc8 25.Bxd5 Rb6 26.b3 Kf8 27.Rbc1 Rd8 
28.Be4 h6 29.Rfd1 Rxd1+ 30.Rxd1 Nd6 31.Bg2 Ke7 32.Bh3 Rb4 33.Ng7 b5 34.
Nf5+ Nxf5 35.Bxf5 Rd4 36.Rxd4 Bxd4 37.a4 bxa4 38.bxa4 Kd6 39.Kg2 Ke5 40.
Bc8 Bb6 41.Bb7 Bc5 42.f4+ 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.06"]
[Round "2"]
[White "Ree, Hans"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2465"]
[EventDate "1979.03.05"]
[PlyCount "34"]
[ECO "C66"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Re1 exd4 8.Nxd4 
Nxd4 9.Qxd4 Bxb5 10.Nxb5 O-O 11.Bg5 h6 12.Bh4 Ng4 13.Bxe7 Qxe7 14.h3 Ne5 
15.Qc3 Nc6 16.Rad1 a6 17.Nd4 Nxd4 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.06"]
[Round "2"]
[White "Van Dop, Arend"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "71"]
[ECO "A47"]

1.Nf3 Nf6 2.d4 c5 3.g3 b6 4.Bg2 Bb7 5.b3 g6 6.Bb2 cxd4 7.O-O Bg7 8.Nxd4 
Bxg2 9.Kxg2 Nc6 10.Nxc6 dxc6 11.Na3 O-O 12.Qd3 Qd5+ 13.Qf3 Rad8 14.c4 
Qxf3+ 15.Kxf3 Rd7 16.Rad1 Rfd8 17.Rxd7 Rxd7 18.Nb1 Ng4 19.Kxg4 Bxb2 20.Kf3
b5 21.cxb5 cxb5 22.e3 f5 23.h4 Kf7 24.Ke2 Ke6 25.Rd1 Rc7 26.Kd3 Be5 27.Na3
a6 28.Nc2 Bd6 29.Nd4+ Kd7 30.Ke2 e5 31.Nf3 Rc2+ 32.Rd2 Rxd2+ 33.Kxd2 e4 
34.Nd4 Bb4+ 35.Ke2 Bc3 36.Nc2 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.06"]
[Round "2"]
[White "Van der Vliet, Fredrik"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2535"]
[EventDate "1979.03.05"]
[PlyCount "31"]
[ECO "E17"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7 5.d4 O-O 6.c4 Nbd7 7.b3 b6 8.Bb2 Bb7 
9.Nc3 c5 10.cxd5 Nxd5 11.dxc5 Nxc5 12.Nxd5 Bxd5 13.Rc1 Bf6 14.Bxf6 Qxf6 
15.Qd4 Rfd8 16.Rfd1 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.06"]
[Round "2"]
[White "Van der Weide, Piet"]
[Black "Ligterink, Gert"]
[Result "0-1"]
[WhiteElo "2290"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "78"]
[ECO "B07"]

1.e4 d6 2.d4 Nf6 3.Bd3 Nc6 4.c3 e5 5.d5 Nb8 6.f4 Nbd7 7.Nf3 exf4 8.Bxf4 g6
9.O-O Bg7 10.Nbd2 O-O 11.Qe1 Ng4 12.Qg3 Nge5 13.Bc2 Qe7 14.Rf2 a5 15.Raf1 
a4 16.a3 c6 17.Nd4 cxd5 18.exd5 Nc5 19.N2f3 Bd7 20.Bg5 f6 21.Bf4 Rae8 22.
h4 f5 23.h5 Ne4 24.Bxe4 fxe4 25.Ng5 Ng4 26.Nde6 Nxf2 27.Bxd6 Nh1 28.Rxf8+ 
Qxf8 29.Nxf8 Nxg3 30.Nxd7 Ne2+ 31.Kf2 Nxc3 32.bxc3 Rd8 33.c4 Rxd7 34.c5 
Bd4+ 35.Ke2 Bxc5 36.Bxc5 Rxd5 37.Nxe4 Rxh5 38.Nf6+ Kf7 39.Nxh5 gxh5 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.06"]
[Round "2"]
[White "Van der Wiel, John"]
[Black "Timman, Jan"]
[Result "0-1"]
[BlackElo "2625"]
[EventDate "1979.03.05"]
[PlyCount "60"]
[ECO "B09"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 7.O-O e5 8.dxe5 
dxe5 9.f5 Nb4 10.fxg6 hxg6 11.Bg5 Nxd3 12.cxd3 Qd7 13.Qb3 Qxd3 14.Rad1 Qa6
15.Bxf6 Bxf6 16.Nd5 Bd8 17.Nxe5 Qe6 18.Qc3 c6 19.Nxg6 Qxg6 20.Nf6+ Bxf6 
21.Rxf6 Qh5 22.Rd3 Re8 23.Rg3+ Kf8 24.Qe3 Be6 25.Rg5 Qd1+ 26.Rf1 Qd6 27.
Ra5 b6 28.Qh6+ Ke7 29.Ra4 Qe5 30.Rd1 Rh8 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.07"]
[Round "3"]
[White "Baljon, Christofoor"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2255"]
[BlackElo "2480"]
[EventDate "1979.03.05"]
[PlyCount "51"]
[ECO "C02"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Be2 Nh6 7.Bxh6 gxh6 8.Qd2 Bg7
9.O-O O-O 10.Re1 Bd7 11.Bd3 cxd4 12.cxd4 f6 13.Nc3 fxe5 14.dxe5 Be8 15.Qc2
Kh8 16.Na4 Qd8 17.Nc5 Qe7 18.Nb3 Rxf3 19.gxf3 Qh4 20.Qc5 Bh5 21.Re3 Rg8 
22.Kf1 d4 23.Re4 Qxh2 24.Ke2 Bf8 25.Qb5 Bxf3+ 26.Ke1 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.07"]
[Round "3"]
[White "Bohm, Hans"]
[Black "Van der Weide, Piet"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2290"]
[EventDate "1979.03.05"]
[PlyCount "63"]
[ECO "A88"]

1.d4 f5 2.g3 Nf6 3.Bg2 d6 4.Nf3 g6 5.O-O Bg7 6.c4 O-O 7.Nc3 c6 8.d5 e5 9.
dxe6 Bxe6 10.Bf4 Bxc4 11.Bxd6 Re8 12.Ne5 Be6 13.Qd3 Nbd7 14.Nxd7 Qxd7 15.
Rfd1 Qf7 16.Bc5 Nd7 17.Be3 Nb6 18.Qc2 Bf6 19.h4 Qg7 20.Rac1 Red8 21.Rxd8+ 
Rxd8 22.Rd1 Qe7 23.Rxd8+ Qxd8 24.b3 Qd6 25.Bf3 Qe5 26.Nd1 Bd5 27.Bxd5+ 
Nxd5 28.Bxa7 f4 29.e4 Nc7 30.Kg2 Nb5 31.Bc5 Nc3 32.Qxc3 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.07"]
[Round "3"]
[White "Donner, Jan"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2465"]
[EventDate "1979.03.05"]
[PlyCount "78"]
[ECO "E60"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O Nc6 7.d5 Na5 8.Nfd2 c5 
9.Na3 e5 10.e4 a6 11.b3 Ng4 12.Nc2 f5 13.f3 Nf6 14.Ne1 b5 15.Nd3 fxe4 16.
fxe4 Ng4 17.Qe2 Bh6 18.Nf3 Bxc1 19.Raxc1 Ra7 20.h3 bxc4 21.bxc4 Nf6 22.Qe3
Re7 23.Nd2 Rb7 24.Rc3 Rb6 25.Kh2 Qc7 26.g4 Qe7 27.g5 Nh5 28.Rxf8+ Kxf8 29.
Bf3 Ng7 30.Rc1 Nb7 31.Rf1 Kg8 32.Bd1 Bd7 33.Bg4 Bxg4 34.hxg4 Nd8 35.Nf3 
Nf7 36.Qd2 Rb8 37.Kg3 Ne8 38.Rh1 Rb7 39.Rd1 Qd8 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.07"]
[Round "3"]
[White "Langeweg, Christian"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2395"]
[EventDate "1979.03.05"]
[PlyCount "35"]
[ECO "E15"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4 Bb7 6.Bg2 c5 7.O-O cxd4 8.Nxd4 
Bxg2 9.Kxg2 Be7 10.Nc3 O-O 11.Rd1 Qc7 12.Bf4 Qb7+ 13.Kg1 a6 14.Rd2 d6 15.
Nf3 Rd8 16.Rad1 Ne8 17.Bg5 Nc6 18.Bxe7 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.07"]
[Round "3"]
[White "Ligterink, Gert"]
[Black "Van Dop, Arend"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2300"]
[EventDate "1979.03.05"]
[PlyCount "145"]
[ECO "B58"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nf3 h6 8.O-O 
Be7 9.b3 a6 10.Bb2 O-O 11.a4 Be6 12.Nd2 Rc8 13.Re1 Nd4 14.Bd3 Bg4 15.f3 
Be6 16.Ne2 Nxe2+ 17.Qxe2 Re8 18.Nc4 Nd7 19.a5 Nc5 20.Nb6 Nxd3 21.Qxd3 Rc5 
22.Kh1 Bf6 23.c4 Be7 24.Bc3 Rc6 25.Red1 Qb8 26.Bb4 Rd8 27.Ra2 Bg5 28.Bd2 
Bxd2 29.Raxd2 Qc7 30.Qc3 Kh7 31.Qe3 Re8 32.Rd3 Rd8 33.h3 f6 34.Qd2 Bg8 35.
Na4 Rc8 36.Qb4 Rd8 37.Qd2 Rc8 38.Kh2 Kh8 39.Rxd6 Rxd6 40.Qxd6 Qxa5 41.Qe7 
Bxc4 42.Qd7 Qc7 43.bxc4 Qxd7 44.Rxd7 Rxc4 45.Nb6 Rb4 46.Nd5 Rb2 47.h4 h5 
48.Kh3 Rb3 49.Kg3 Kg8 50.Ne7+ Kf8 51.Nf5 a5 52.Rd8+ Kf7 53.Rd7+ Kf8 54.
Rd8+ Kf7 55.Ra8 g6 56.Nd6+ Ke6 57.Nc4 b5 58.Ra6+ Kd7 59.Nb6+ Kc6 60.Nd5+ 
Kc5 61.Rxa5 f5 62.Nf6 Kd4 63.exf5 gxf5 64.Nxh5 e4 65.Nf4 e3 66.h5 Rb1 67.
h6 Kc4 68.Ra7 Rh1 69.Re7 Rxh6 70.Rxe3 b4 71.Nd3 Kd4 72.Kf2 b3 73.Nb2 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.07"]
[Round "3"]
[White "Sosonko, Gennadi"]
[Black "Hofland, Leonard"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2295"]
[EventDate "1979.03.05"]
[PlyCount "52"]
[ECO "E91"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Bg4 7.Be3 Nfd7 8.Ng1 
Bxe2 9.Ngxe2 e5 10.O-O exd4 11.Bxd4 Bxd4 12.Nxd4 Nc6 13.Nd5 Nb6 14.Rc1 Re8
15.Re1 Nxd4 16.Qxd4 Re6 17.Nf4 Re8 18.Nd5 Re6 19.Rc3 c5 20.Qd2 Nxd5 21.
Qxd5 Qe7 22.Rce3 Re8 23.b3 b6 24.g3 Qf6 25.Kg2 Kg7 26.R1e2 Qd4 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.07"]
[Round "3"]
[White "Timman, Jan"]
[Black "Van der Vliet, Fredrik"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2365"]
[EventDate "1979.03.05"]
[PlyCount "45"]
[ECO "B39"]

1.c4 g6 2.e4 Bg7 3.d4 c5 4.Nf3 cxd4 5.Nxd4 Nc6 6.Be3 Nf6 7.Nc3 Ng4 8.Qxg4 
Bxd4 9.Bxd4 Nxd4 10.O-O-O d6 11.Qg3 e5 12.f4 f6 13.f5 Kf7 14.Nb5 Nxb5 15.
cxb5 gxf5 16.Bc4+ Kf8 17.Qh4 Ke7 18.Rd3 fxe4 19.Rg3 Qf8 20.Rf1 d5 21.Rxf6 
Qxf6 22.Rg7+ Ke6 23.Bxd5+ 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.08"]
[Round "4"]
[White "Bohm, Hans"]
[Black "Sosonko, Gennadi"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2535"]
[EventDate "1979.03.05"]
[PlyCount "85"]
[ECO "E33"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 6.Bg5 h6 7.Bxf6 Qxf6 8.O-O-O
Bxc3 9.Qxc3 e5 10.e3 Bg4 11.dxe5 dxe5 12.Be2 O-O 13.h3 Bf5 14.Rhg1 a5 15.
a3 Rfd8 16.Rxd8+ Rxd8 17.Rd1 Rxd1+ 18.Bxd1 Be4 19.c5 Qg6 20.Qc4 Bd3 21.Qb3
Ba6 22.g4 Qe4 23.g5 Kf8 24.h4 Ke7 25.Qc2 Qd5 26.Qc3 hxg5 27.hxg5 Bd3 28.
Ne1 Bg6 29.f3 b6 30.Ba4 Kd7 31.e4 Qe6 32.Bxc6+ Qxc6 33.Qxe5 Qxc5+ 34.Qxc5 
bxc5 35.Kd2 f6 36.gxf6 gxf6 37.Ke3 Kc6 38.Kd3 f5 39.exf5 Bxf5+ 40.Kc3 Kd5 
41.Ng2 Bc8 42.Ne3+ Ke6 43.a4 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.08"]
[Round "4"]
[White "Hartoch, Robert"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "21"]
[ECO "B40"]

1.e4 c5 2.b3 e6 3.Bb2 Nc6 4.Nf3 Nf6 5.e5 Nd5 6.Nc3 Nxc3 7.Bxc3 Be7 8.g3 
O-O 9.Bg2 d5 10.exd6 Qxd6 11.O-O 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.08"]
[Round "4"]
[White "Hofland, Leonard"]
[Black "Timman, Jan"]
[Result "0-1"]
[WhiteElo "2295"]
[BlackElo "2625"]
[EventDate "1979.03.05"]
[PlyCount "50"]
[ECO "A19"]

1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3 Nc6 6.d4 cxd4 7.Nxd4 Nxe5 8.Ndb5 
f6 9.Be3 a6 10.Nd6+ Bxd6 11.Qxd6 Ne7 12.Bb6 Nf5 13.Bxd8 Nxd6 14.Bc7 Ke7 
15.c5 Ne8 16.Bxe5 fxe5 17.Bd3 b6 18.cxb6 Rb8 19.O-O-O Nf6 20.Na4 d6 21.b3 
Bd7 22.Bxa6 Bxa4 23.bxa4 Rxb6 24.Bb5 Ne4 25.Rhe1 Rc8+ 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.08"]
[Round "4"]
[White "Ree, Hans"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "37"]
[ECO "A34"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 d5 4.cxd5 Nxd5 5.e4 Nb4 6.Bb5+ N8c6 7.d4 cxd4 8.a3
dxc3 9.Qxd8+ Kxd8 10.axb4 c2 11.Bxc6 bxc6 12.Nd4 Bd7 13.Nxc2 e5 14.Be3 Kc7
15.Rxa7+ Rxa7 16.Bxa7 Bxb4+ 17.Nxb4 Ra8 18.Na6+ Kb7 19.Bc5 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.08"]
[Round "4"]
[White "Van der Vliet, Fredrik"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2465"]
[EventDate "1979.03.05"]
[PlyCount "43"]
[ECO "E18"]

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.g3 Be7 5.Bg2 O-O 6.O-O b6 7.Nc3 Bb7 8.Ne5 Na6 
9.b3 c5 10.Bb2 Qc7 11.cxd5 exd5 12.Rc1 Rad8 13.Na4 Qb8 14.dxc5 Nxc5 15.
Nxc5 Bxc5 16.Nd3 Be7 17.Be5 Qa8 18.Qd2 Ne4 19.Qb2 f6 20.Bd4 Bd6 21.Rfd1 
Rfe8 22.Ne1 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.08"]
[Round "4"]
[White "Van der Weide, Piet"]
[Black "Van Dop, Arend"]
[Result "1/2-1/2"]
[WhiteElo "2290"]
[BlackElo "2300"]
[EventDate "1979.03.05"]
[PlyCount "48"]
[ECO "B51"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.c3 a6 6.Ba4 c4 7.Qe2 Nf6 8.Re1 Rc8
9.Bc2 e5 10.d3 cxd3 11.Bxd3 h6 12.Nbd2 Be7 13.Nc4 Be6 14.b3 Nb8 15.Bb2 
Nbd7 16.Rad1 Qc7 17.Ncd2 O-O 18.Bb1 Rfe8 19.c4 Nc5 20.Nf1 Bf8 21.Nh4 Bd7 
22.g3 b5 23.cxb5 Bxb5 24.Qe3 Bc6 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.08"]
[Round "4"]
[White "Van der Wiel, John"]
[Black "Baljon, Christofoor"]
[Result "1-0"]
[BlackElo "2255"]
[EventDate "1979.03.05"]
[PlyCount "73"]
[ECO "B93"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Nbd7 8.a4 Be7
9.Bc4 O-O 10.O-O Qb6+ 11.Kh1 exf4 12.Bd5 Ng4 13.Nd4 Ne3 14.Bxe3 fxe3 15.
Rxf7 Rxf7 16.Bxf7+ Kxf7 17.Qh5+ Kg8 18.Qe8+ Bf8 19.Nd5 Qxd4 20.Ne7+ Kh8 
21.Rf1 Qf6 22.Rxf6 gxf6 23.Kg1 Kg7 24.Nf5+ Kg8 25.Nxd6 Kg7 26.Qf7+ Kh8 27.
Ne8 b5 28.Nxf6 Nxf6 29.Qxf6+ Kg8 30.Qg5+ Kf7 31.Qd5+ Be6 32.Qxa8 Bc5 33.
Kf1 Bc4+ 34.Ke1 e2 35.Qb7+ Ke6 36.Qc6+ Bd6 37.b3 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.09"]
[Round "5"]
[White "Baljon, Christofoor"]
[Black "Van der Vliet, Fredrik"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2365"]
[EventDate "1979.03.05"]
[PlyCount "104"]
[ECO "B57"]

1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.Nc3 cxd4 5.Nxd4 Nc6 6.Bc4 Qb6 7.Nb3 e6 8.O-O 
Be7 9.a4 O-O 10.a5 Qc7 11.Qe2 Rd8 12.Rd1 Nb4 13.Bf4 e5 14.Bg5 Bg4 15.f3 
Be6 16.Bxe6 fxe6 17.Nb5 Qc8 18.Rd2 a6 19.Na3 Qc7 20.Be3 Rf8 21.Bb6 Qc8 22.
Nc4 Ne8 23.Be3 Qc7 24.Bb6 Qc8 25.Be3 Qc7 26.Nb6 Rd8 27.c3 Nc6 28.Qc4 Rf6 
29.Nc1 h6 30.b4 Kh8 31.Ne2 Bf8 32.Qb3 Qf7 33.c4 Ne7 34.Rad1 Ng6 35.c5 Nh4 
36.Nc4 Rxf3 37.gxf3 Nxf3+ 38.Kh1 d5 39.exd5 exd5 40.Nd6 Nxd6 41.Qxd5 Nxd2 
42.Rxd2 Qxd5+ 43.Rxd5 Nf7 44.Nc3 Rxd5 45.Nxd5 Nd8 46.Kg2 Nc6 47.Kf3 Kg8 
48.Ke4 Kf7 49.Bd2 Ke6 50.Bc3 g6 51.Nc7+ Kd7 52.Na8 Ke6 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.09"]
[Round "5"]
[White "Donner, Jan"]
[Black "Hofland, Leonard"]
[Result "1-0"]
[WhiteElo "2465"]
[BlackElo "2295"]
[EventDate "1979.03.05"]
[PlyCount "79"]
[ECO "E62"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O c6 7.Nc3 Bf5 8.Ne1 Qd7 
9.e4 Bh3 10.Nd3 Bxg2 11.Kxg2 b5 12.cxb5 cxb5 13.a4 Qb7 14.f3 b4 15.Ne2 a5 
16.Be3 Na6 17.Qd2 Rac8 18.Rac1 e6 19.b3 Nd7 20.g4 Rfe8 21.h4 Nab8 22.h5 
Nc6 23.hxg6 hxg6 24.Ndf4 Ne7 25.Rfd1 Nb6 26.Nd3 f5 27.Nf2 Nd7 28.Ng3 Nf6 
29.Bh6 Kf7 30.Bxg7 Kxg7 31.Rh1 Rh8 32.Rxh8 Rxh8 33.gxf5 exf5 34.exf5 Qd7 
35.fxg6 Nxg6 36.Qg5 d5 37.Ng4 Nxg4 38.fxg4 Rc8 39.Rxc8 Qxc8 40.Nf5+ 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.09"]
[Round "5"]
[White "Langeweg, Christian"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "49"]
[ECO "E73"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 h6 7.Be3 c5 8.dxc5 Qa5 
9.Bd2 Qxc5 10.Nf3 b6 11.Be3 Qc7 12.Nd4 Bb7 13.f3 Nbd7 14.O-O a6 15.Qd2 Kh7
16.Rac1 e6 17.b3 Rfd8 18.Bd3 Rac8 19.Bb1 Qb8 20.Rfd1 d5 21.cxd5 exd5 22.
Nxd5 Nxd5 23.Rxc8 Qxc8 24.exd5 Nc5 25.Ne2 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.09"]
[Round "5"]
[White "Ligterink, Gert"]
[Black "Ree, Hans"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2480"]
[EventDate "1979.03.05"]
[PlyCount "85"]
[ECO "C41"]

1.e4 d6 2.d4 Nf6 3.Nc3 e5 4.Nf3 Nbd7 5.Bc4 Be7 6.O-O c6 7.a4 Qc7 8.Qe2 O-O
9.a5 Rb8 10.d5 Ra8 11.h3 a6 12.Be3 h6 13.dxc6 bxc6 14.Nh4 Nxe4 15.Ng6 Re8 
16.Nxe4 d5 17.Nxe7+ Rxe7 18.Bc5 Nxc5 19.Nxc5 dxc4 20.Qxc4 Be6 21.Qc3 Bd5 
22.Rfd1 f5 23.Na4 Rd8 24.Qc5 Ree8 25.Qb6 Qe7 26.Nc3 Rb8 27.Qxa6 Rxb2 28.
Nxd5 cxd5 29.Rxd5 Rxc2 30.Qd3 Rb2 31.a6 Qa7 32.Qe3 Qxe3 33.fxe3 Rbb8 34.a7
Ra8 35.Rd7 Kh7 36.Rb1 Rg8 37.Rbb7 Kg6 38.Rd6+ Kg5 39.Re6 e4 40.Kf2 h5 41.
h4+ Kxh4 42.Rg6 Rgc8 43.Rbxg7 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.09"]
[Round "5"]
[White "Sosonko, Gennadi"]
[Black "Van der Weide, Piet"]
[Result "1-0"]
[WhiteElo "2535"]
[BlackElo "2290"]
[EventDate "1979.03.05"]
[PlyCount "55"]
[ECO "A88"]

1.d4 f5 2.Nf3 Nf6 3.g3 d6 4.Bg2 g6 5.O-O Bg7 6.c4 O-O 7.Nc3 c6 8.b3 Na6 9.
Bb2 Bd7 10.Re1 Nh5 11.d5 Qa5 12.Qd2 cxd5 13.cxd5 Rac8 14.Rac1 f4 15.e3 
fxg3 16.hxg3 Nf6 17.Nd4 Ng4 18.f3 Nf6 19.f4 b5 20.Nc6 Bxc6 21.dxc6 Nb8 22.
Red1 Kh8 23.Ne2 Qxd2 24.Rxd2 Ng4 25.Bxg7+ Kxg7 26.Nd4 Kf6 27.c7 Nxe3 28.
Bb7 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.09"]
[Round "5"]
[White "Timman, Jan"]
[Black "Bohm, Hans"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2410"]
[EventDate "1979.03.05"]
[PlyCount "81"]
[ECO "A34"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nb4 6.Bb5+ N8c6 7.d4 cxd4 8.a3
dxc3 9.Qxd8+ Kxd8 10.axb4 cxb2 11.Bxb2 f6 12.e5 Bd7 13.Bc4 Rc8 14.Rd1 Kc7 
15.e6 Be8 16.b5 Na5 17.Be2 Kb8 18.O-O g6 19.Rc1 Bh6 20.Rxc8+ Kxc8 21.Ba3 
Bf8 22.Rc1+ Kb8 23.Nd4 b6 24.f4 h5 25.Rd1 Nb7 26.Bf3 f5 27.Bc6 Bg7 28.Bxe7
a5 29.Nf3 a4 30.Bb4 Bxc6 31.bxc6 Nc5 32.Rd7 Nxe6 33.Re7 Bd4+ 34.Nxd4 Nxd4 
35.Rb7+ Kc8 36.Bd6 Nxc6 37.Rc7+ Kd8 38.Rxc6 Kd7 39.Rxb6 Rc8 40.Be5 Rc1+ 
41.Kf2 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.09"]
[Round "5"]
[White "Van Dop, Arend"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[BlackElo "2395"]
[EventDate "1979.03.05"]
[PlyCount "80"]
[ECO "A12"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.b3 Bf5 5.Bb2 h6 6.d3 e6 7.Nbd2 Nbd7 8.O-O Bh7
9.c4 Be7 10.Qc2 O-O 11.a3 a5 12.Bc3 Qb8 13.Qb2 Bd6 14.e4 e5 15.exd5 cxd5 
16.d4 e4 17.Ne5 Re8 18.Nxd7 Nxd7 19.cxd5 b5 20.b4 a4 21.Rfe1 f5 22.f3 e3 
23.Nf1 f4 24.Bh3 Nb6 25.Be6+ Kh8 26.gxf4 Nc4 27.Qg2 Bxf4 28.Ng3 Ra7 29.Nh5
Bd6 30.Ra2 Rf8 31.Kh1 Qe8 32.Ng3 Qe7 33.Ne4 Bf4 34.Rg1 Nd6 35.Nxd6 Qxd6 
36.Qe2 Rc7 37.Be1 Rc4 38.Bg3 Rd8 39.Kg2 Rxd4 40.Qxb5 Bd3 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.10"]
[Round "6"]
[White "Bohm, Hans"]
[Black "Donner, Jan"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2465"]
[EventDate "1979.03.05"]
[PlyCount "63"]
[ECO "E32"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.Bg5 h6 6.Bh4 c5 7.e3 cxd4 8.exd4 b6
9.Rd1 Bb7 10.a3 Be7 11.Nf3 Bxf3 12.gxf3 Nc6 13.Rg1 Nh5 14.Bg3 Rc8 15.d5 
exd5 16.cxd5 Nb8 17.Qf5 Nxg3 18.Rxg3 Bf6 19.Bd3 Re8+ 20.Kf1 g6 21.Ne4 Bg7 
22.Qf4 Be5 23.Qxh6 Bxg3 24.hxg3 Rxe4 25.Bxe4 Qf6 26.Rc1 Re8 27.Qd2 a5 28.
b4 axb4 29.axb4 Na6 30.Kg2 Qd6 31.Qd4 Qxb4 32.Qa1 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.10"]
[Round "6"]
[White "Hofland, Leonard"]
[Black "Baljon, Christofoor"]
[Result "0-1"]
[WhiteElo "2295"]
[BlackElo "2255"]
[EventDate "1979.03.05"]
[PlyCount "50"]
[ECO "E92"]

1.c4 g6 2.e4 Bg7 3.d4 d6 4.Nc3 Nf6 5.Nf3 O-O 6.Be2 e5 7.d5 a5 8.O-O Na6 9.
Qc2 Nh5 10.g3 f5 11.exf5 Bxf5 12.Ne4 Nf6 13.Nfd2 Kh8 14.f3 Bh6 15.Bd3 Nb4 
16.Qc3 Be3+ 17.Kg2 Qc8 18.Re1 Bxd2 19.Bxd2 Nxd3 20.Qxd3 Nxe4 21.fxe4 Bh3+ 
22.Kg1 Qg4 23.Bh6 Rf7 24.Qd2 Rg8 25.Re2 Qh5 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.10"]
[Round "6"]
[White "Ree, Hans"]
[Black "Van Dop, Arend"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2300"]
[EventDate "1979.03.05"]
[PlyCount "74"]
[ECO "D85"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.e4 Nxc3 6.bxc3 Bg7 7.Bb5+ c6 8.
Be2 c5 9.d4 O-O 10.O-O b6 11.Be3 Bb7 12.Qd3 Na6 13.Rad1 Qd7 14.d5 Qa4 15.
Bg5 f6 16.Bh4 Rad8 17.Qb1 Nc7 18.Nd2 Kh8 19.Bg3 Qd7 20.c4 e6 21.Nb3 e5 22.
Nxc5 bxc5 23.Qxb7 Rb8 24.Qxa7 Qd6 25.f4 Ra8 26.fxe5 fxe5 27.Rxf8+ Bxf8 28.
Qb7 Rxa2 29.Qc8 Kg7 30.Qg4 Be7 31.h4 h5 32.Qf3 Ne8 33.Qc3 Rxe2 34.Bxe5+ 
Bf6 35.Bxd6 Bxc3 36.Bxc5 Rxe4 37.d6 Nxd6 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.10"]
[Round "6"]
[White "Sosonko, Gennadi"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2625"]
[EventDate "1979.03.05"]
[PlyCount "37"]
[ECO "D99"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 
Nfd7 9.Qb3 Nb6 10.Rd1 Nc6 11.d5 Ne5 12.Be2 Nxf3+ 13.gxf3 Bh5 14.h4 Qc8 15.
a4 c6 16.Rc1 Qd8 17.Rd1 Qc8 18.Rc1 Qd8 19.Rd1 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.10"]
[Round "6"]
[White "Van der Vliet, Fredrik"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "112"]
[ECO "E03"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 c5 7.Nf3 a6 8.Qc2 
b6 9.O-O Bb7 10.Nc3 Rc8 11.Rd1 cxd4 12.Nxd4 Bxg2 13.Kxg2 b5 14.Qd3 Qb6 15.
Nb3 Bb4 16.Be3 Qb7+ 17.Kg1 Ne5 18.Qd4 Nc4 19.a4 e5 20.Qh4 Nxe3 21.fxe3 
Bxc3 22.bxc3 O-O 23.Qb4 Qb6 24.Rd3 Qe6 25.axb5 axb5 26.Nd2 Qc6 27.Rb1 e4 
28.Rd6 Qxc3 29.Qxc3 Rxc3 30.Rb3 Rc5 31.Rd4 Re5 32.Rbb4 Rfe8 33.h3 h5 34.
Kg2 g6 35.Kf2 Kg7 36.Kg2 R8e6 37.Kf2 Ra6 38.Nxe4 Rf5+ 39.Kg2 Nxe4 40.Rxe4 
Ra2 41.Rf4 Re5 42.Rbe4 Rxe4 43.Rxe4 Rxe2+ 44.Kf3 Re1 45.Re7 b4 46.Rb7 Rb1 
47.h4 b3 48.Rb6 Kf8 49.Rb7 Ke8 50.Kg2 b2 51.Kh2 f5 52.Kg2 Kd8 53.Kh2 Kc8 
54.Rb5 Kc7 55.Kg2 Kc6 56.Rb8 Kd5 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.10"]
[Round "6"]
[White "Van der Weide, Piet"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2290"]
[BlackElo "2395"]
[EventDate "1979.03.05"]
[PlyCount "22"]
[ECO "B07"]

1.e4 d6 2.d4 Nf6 3.Bd3 e5 4.c3 Nc6 5.d5 Ne7 6.c4 g6 7.Nc3 Bg7 8.f3 Nh5 9.
Be3 f5 10.Qd2 c5 11.dxc6 bxc6 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.10"]
[Round "6"]
[White "Van der Wiel, John"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "45"]
[ECO "B83"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be2 Nf6 7.O-O Be7 8.Be3 
O-O 9.f4 e5 10.fxe5 dxe5 11.Nf5 Bxf5 12.exf5 Qa5 13.Bd3 Rad8 14.Qf3 Nd4 
15.Qh3 Qb4 16.Nd1 Qa4 17.c3 Nc6 18.Nf2 Rd7 19.Bg5 Rfd8 20.Bxf6 Bxf6 21.
Rfe1 Ne7 22.Qf3 Qc6 23.Qxc6 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.12"]
[Round "7"]
[White "Baljon, Christofoor"]
[Black "Bohm, Hans"]
[Result "1-0"]
[WhiteElo "2255"]
[BlackElo "2410"]
[EventDate "1979.03.05"]
[PlyCount "117"]
[ECO "C02"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Be2 Nh6 7.Bxh6 gxh6 8.Qd2 Bg7
9.O-O O-O 10.Na3 cxd4 11.cxd4 f6 12.exf6 Rxf6 13.Nc2 Bd7 14.b4 Raf8 15.b5 
Ne7 16.Ne5 Be8 17.a4 Rf5 18.a5 Qd6 19.f4 h5 20.g3 R5f6 21.Qb4 Nf5 22.Qc5 
b6 23.axb6 axb6 24.Qxd6 Nxd6 25.Rfb1 Bg6 26.Rb2 Rc8 27.Nb4 Rf7 28.Nbc6 Rb7
29.Rba2 Bf6 30.Ra7 Rcc7 31.Rxb7 Rxb7 32.Ra8+ Kg7 33.Nd8 Bxd8 34.Rxd8 Nf7 
35.Rc8 Kf6 36.Rc6 Ke7 37.Nxf7 Bxf7 38.f5 exf5 39.Kf2 Be8 40.Rc8 h4 41.Ke3 
hxg3 42.hxg3 Rd7 43.Kf4 Rd6 44.Bd3 Rh6 45.Rc7+ Kd8 46.Rb7 Bd7 47.Bxf5 Bxb5
48.g4 Ba6 49.Rg7 Rh1 50.Ke5 Bb5 51.Kd6 Be8 52.Ra7 Rh6+ 53.Be6 Bc6 54.g5 
Rg6 55.Rxh7 b5 56.Rh6 Be8 57.Rxg6 Bxg6 58.Bxd5 Bd3 59.Bc6 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.12"]
[Round "7"]
[White "Donner, Jan"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[WhiteElo "2465"]
[BlackElo "2535"]
[EventDate "1979.03.05"]
[PlyCount "35"]
[ECO "E59"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 d5 7.O-O O-O 8.a3 Bxc3 
9.bxc3 dxc4 10.Bxc4 Qc7 11.Bd3 e5 12.Qc2 Re8 13.dxe5 Nxe5 14.Nxe5 Qxe5 15.
f3 Bd7 16.a4 Rad8 17.Re1 Bc6 18.e4 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.12"]
[Round "7"]
[White "Hartoch, Robert"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2480"]
[EventDate "1979.03.05"]
[PlyCount "37"]
[ECO "A28"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 d6 6.Be2 O-O 7.O-O Bg4 8.Nd5 
Re8 9.d3 Bc5 10.a3 Nxd5 11.cxd5 Ne7 12.b4 Bb6 13.Qc4 Bh5 14.a4 a5 15.Bd2 
f6 16.bxa5 Bxa5 17.Bxa5 Rxa5 18.Rfc1 Bf7 19.Qxc7 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.12"]
[Round "7"]
[White "Langeweg, Christian"]
[Black "Hofland, Leonard"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2295"]
[EventDate "1979.03.05"]
[PlyCount "60"]
[ECO "E73"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 Nc6 7.d5 Ne5 8.Nf3 h6 
9.Bf4 Nfd7 10.Nd4 c5 11.Nc2 g5 12.Be3 Ng6 13.g3 Nf6 14.f4 gxf4 15.gxf4 b5 
16.cxb5 a6 17.Rg1 Kh7 18.bxa6 Bxa6 19.Bxa6 Rxa6 20.Qd3 Qc8 21.O-O-O Qb7 
22.Rg3 Nh5 23.Rg4 c4 24.Qxc4 Rb8 25.Bd4 Bxd4 26.Rxd4 Nhxf4 27.Kd2 Rc8 28.
Qb3 Qd7 29.Ne3 h5 30.Rg3 Ne5 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.12"]
[Round "7"]
[White "Ligterink, Gert"]
[Black "Van der Vliet, Fredrik"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2365"]
[EventDate "1979.03.05"]
[PlyCount "80"]
[ECO "B92"]

1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.Nc3 cxd4 5.Nxd4 a6 6.Be2 e5 7.Nb3 Be7 8.a4 O-O
9.O-O Be6 10.f4 Qc7 11.f5 Bc4 12.Bg5 Nbd7 13.a5 Rfc8 14.Kh1 d5 15.exd5 Bb4
16.Ra4 Qd6 17.Bxc4 Rxc4 18.Na2 b5 19.axb6 Nxb6 20.Rxb4 Rxb4 21.Nxb4 Qxb4 
22.Bxf6 gxf6 23.c3 Qa4 24.Nd2 Qxd1 25.Rxd1 Nxd5 26.Ne4 Ne3 27.Re1 Nxf5 28.
Nxf6+ Kg7 29.Nh5+ Kg6 30.Rxe5 Rb8 31.b4 Nd6 32.Nf4+ Kf6 33.Ra5 Ne4 34.
Rxa6+ Kg5 35.Nd5 Rd8 36.Ra5 f5 37.g3 Rc8 38.Ne7 Rxc3 39.Rxf5+ Kh6 40.b5 
Rxg3 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.12"]
[Round "7"]
[White "Timman, Jan"]
[Black "Van der Weide, Piet"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2290"]
[EventDate "1979.03.05"]
[PlyCount "143"]
[ECO "A42"]

1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 g6 5.c4 Bg7 6.Nc3 Nc6 7.Be3 Nge7 8.Be2 
O-O 9.O-O f5 10.exf5 Nxf5 11.Nxf5 Bxf5 12.Qd2 Qf6 13.Rad1 Qf7 14.Nd5 a6 
15.b3 Rad8 16.g4 Be6 17.h3 Rfe8 18.Rfe1 Kh8 19.Kg2 a5 20.f4 a4 21.Bf3 axb3
22.axb3 Ra8 23.Re2 Ra3 24.Rb1 Rf8 25.Rf2 Qd7 26.Qd1 Raa8 27.Re2 Qf7 28.Rf2
Qd7 29.Qd3 Rae8 30.Rd1 Ra8 31.Re1 Rae8 32.Rfe2 Qf7 33.Rf1 Qd7 34.Qd2 Ra8 
35.Bf2 Rae8 36.Rfe1 Bf7 37.Bh4 Bxd5 38.Bxd5 Rxe2+ 39.Rxe2 Re8 40.Bf2 Re7 
41.Qe1 Rxe2 42.Qxe2 Bf6 43.Qf3 Qe8 44.h4 Nd4 45.Qc3 c5 46.Bxb7 Qb8 47.Bd5 
Qxb3 48.Qe1 Qb8 49.Qe4 Qc8 50.Kg3 Qd8 51.Bxd4 Bxd4 52.Qe6 Qb8 53.h5 gxh5 
54.g5 Qf8 55.f5 h6 56.Qg6 hxg5 57.Qxh5+ Kg7 58.Qg6+ Kh8 59.Qh5+ Kg7 60.
Qg6+ Kh8 61.Kg4 Bf6 62.Be6 Be7 63.Kf3 Bf6 64.Kg3 d5 65.Qh5+ Kg7 66.Bxd5 
Qb8+ 67.Kg2 Qb2+ 68.Kh3 Qc3+ 69.Bf3 Kf8 70.Qh6+ Ke7 71.Qh7+ Kd6 72.Qb7 
1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.12"]
[Round "7"]
[White "Van Dop, Arend"]
[Black "Van der Wiel, John"]
[Result "0-1"]
[WhiteElo "2300"]
[EventDate "1979.03.05"]
[PlyCount "66"]
[ECO "A05"]

1.b3 g6 2.Bb2 Nf6 3.g3 Bg7 4.Bg2 d5 5.Nf3 c5 6.c4 d4 7.b4 O-O 8.bxc5 Nc6 
9.Na3 Nd7 10.O-O Nxc5 11.d3 e5 12.Nc2 Na4 13.Rb1 Nxb2 14.Rxb2 Qe7 15.Nd2 
h5 16.Qb1 Bh6 17.Ne1 h4 18.Nef3 hxg3 19.hxg3 Kg7 20.Qc2 g5 21.Rfb1 g4 22.
Nh2 a5 23.Qd1 Rh8 24.Ndf1 Ra6 25.e3 Qd7 26.Rb5 dxe3 27.Nxe3 Bxe3 28.fxe3 
Qd6 29.Rxb7 Rxh2 30.Kxh2 Qh6+ 31.Kg1 Qxe3+ 32.Kh2 Nb4 33.Rxf7+ Kxf7 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.13"]
[Round "8"]
[White "Bohm, Hans"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "82"]
[ECO "A34"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nb4 6.Bb5+ N8c6 7.d4 cxd4 8.a3
dxc3 9.Qxd8+ Kxd8 10.axb4 c2 11.Bxc6 bxc6 12.Ne5 Ke8 13.Nxc6 Bb7 14.b5 a6 
15.f3 e6 16.Be3 Bd6 17.Kd2 f5 18.exf5 exf5 19.Na7 Kf7 20.bxa6 Bd5 21.Nb5 
Bb4+ 22.Kxc2 Rhe8 23.Bd2 Re2 24.Nc3 Bxc3 25.bxc3 Rxg2 26.Rhg1 Rxg1 27.Rxg1
Rxa6 28.Rf1 Ra4 29.Rf2 g5 30.f4 g4 31.Be3 h5 32.Rd2 Ke6 33.Kd1 Bf3+ 34.Kc2
Re4 35.Kd3 Ra4 36.c4 Ra3+ 37.Kd4 Be4 38.Bf2 Kd6 39.c5+ Ke6 40.Rb2 Rd3+ 41.
Kc4 Rh3 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.13"]
[Round "8"]
[White "Hofland, Leonard"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2295"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "70"]
[ECO "A64"]

1.c4 Nf6 2.d4 e6 3.g3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Bg2 Bg7 8.Nf3 O-O 
9.O-O a6 10.a4 Nbd7 11.Nd2 Re8 12.Nc4 Nb6 13.Nxb6 Qxb6 14.a5 Qc7 15.Bd2 
Bd7 16.h3 b5 17.axb6 Qxb6 18.Qc2 Bb5 19.Be3 Nd7 20.Ra2 Bc4 21.Ra3 Rab8 22.
Rb1 Bb3 23.Qd3 Ne5 24.Qxa6 Nc4 25.Qxb6 Rxb6 26.Ra7 Nxe3 27.fxe3 Bxc3 28.
bxc3 Rxe3 29.Rf1 Rxe2 30.Ra8+ Kg7 31.Ra7 Kh6 32.Rf4 Bc2 33.Rh4+ Kg7 34.Rf4
Rb1+ 35.Bf1 Be4 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.13"]
[Round "8"]
[White "Sosonko, Gennadi"]
[Black "Baljon, Christofoor"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2255"]
[EventDate "1979.03.05"]
[PlyCount "46"]
[ECO "E97"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.Nf3 d6 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.b4 Nh5 10.g3 f5 11.Ng5 Nf6 12.f3 a5 13.b5 b6 14.Be3 Nh5 15.Bf2 Bf6 16.
Qd2 f4 17.Ne6 Bxe6 18.dxe6 Ng7 19.c5 dxc5 20.Rad1 Qxd2 21.Rxd2 Nc8 22.Rd7 
Kh8 23.Rxc7 Nxe6 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.13"]
[Round "8"]
[White "Timman, Jan"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2465"]
[EventDate "1979.03.05"]
[PlyCount "64"]
[ECO "B09"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 7.e5 dxe5 8.fxe5 
Ng4 9.Be4 f6 10.h3 Nh6 11.exf6 exf6 12.Bf4 Ne7 13.Qd2 Nhf5 14.O-O-O Nd6 
15.d5 Nxe4 16.Nxe4 c6 17.d6 Nd5 18.Bh6 Bxh6 19.Qxh6 Bf5 20.Ng3 Bxc2 21.
Kxc2 Qxd6 22.Ne4 Qe6 23.Rhe1 Nb4+ 24.Kc1 Qxa2 25.Nc3 Qa1+ 26.Nb1 Qa4 27.
Na3 Na2+ 28.Kb1 Nc3+ 29.bxc3 Qb3+ 30.Kc1 Qxa3+ 31.Kc2 Qa2+ 32.Kc1 Qa3+ 
1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.13"]
[Round "8"]
[White "Van der Vliet, Fredrik"]
[Black "Van Dop, Arend"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2300"]
[EventDate "1979.03.05"]
[PlyCount "35"]
[ECO "D77"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d5 6.c4 dxc4 7.Na3 c3 8.bxc3 c5
9.Ne5 Nfd7 10.Nxd7 Qxd7 11.dxc5 Qc7 12.Be3 Nc6 13.Rb1 Qa5 14.Qc1 Rd8 15.
Nb5 Bf5 16.Rb2 Rac8 17.Nd4 Nxd4 18.cxd4 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.13"]
[Round "8"]
[White "Van der Weide, Piet"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2290"]
[BlackElo "2480"]
[EventDate "1979.03.05"]
[PlyCount "66"]
[ECO "B22"]

1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 Qxd5 5.d4 Nf6 6.Bd3 Be7 7.dxc5 Qxc5 8.O-O 
O-O 9.Qe2 Nc6 10.Bg5 h6 11.b4 Qd6 12.Bh4 Nd5 13.Bxe7 Qxe7 14.Be4 Nf6 15.
Bc2 Qc7 16.Na3 Bd7 17.Rac1 a5 18.b5 Ne7 19.c4 b6 20.Nb1 Rac8 21.Nbd2 Rfd8 
22.Ne5 Be8 23.Ndf3 Rd6 24.Bb1 Bxb5 25.g4 Bc6 26.g5 Bxf3 27.Nxf3 hxg5 28.
Nxg5 Rd4 29.h3 Qf4 30.Nxe6 fxe6 31.Qxe6+ Kf8 32.Qxb6 Ng4 33.hxg4 Qxg4+ 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.13"]
[Round "8"]
[White "Van der Wiel, John"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[BlackElo "2395"]
[EventDate "1979.03.05"]
[PlyCount "32"]
[ECO "B09"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 7.O-O e5 8.dxe5 
dxe5 9.f5 Nb4 10.Bg5 Nxd3 11.cxd3 h6 12.Bh4 gxf5 13.Kh1 Qd6 14.exf5 Bxf5 
15.Bxf6 Qxf6 16.Nh4 Qxh4 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.14"]
[Round "9"]
[White "Baljon, Christofoor"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2625"]
[EventDate "1979.03.05"]
[PlyCount "46"]
[ECO "B12"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.c4 e6 5.Nc3 Nd7 6.cxd5 cxd5 7.Nf3 Ne7 8.Bg5 a6 
9.Bd3 Bxd3 10.Qxd3 h6 11.Bxe7 Bxe7 12.O-O O-O 13.Nd2 Qb6 14.f4 Rac8 15.
Rab1 f5 16.exf6 Bxf6 17.Nf3 Rc4 18.Ne2 Rfc8 19.Kh1 Qb5 20.Nc3 Qb6 21.Ne2 
Qb5 22.Nc3 Qb6 23.Ne2 Qb5 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.14"]
[Round "9"]
[White "Donner, Jan"]
[Black "Van der Weide, Piet"]
[Result "1-0"]
[WhiteElo "2465"]
[BlackElo "2290"]
[EventDate "1979.03.05"]
[PlyCount "69"]
[ECO "D36"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Nbd7 6.e3 Be7 7.Bd3 O-O 8.Nf3 
c6 9.Qc2 Re8 10.O-O Nf8 11.Rab1 a5 12.a3 Bd6 13.Rfc1 Ng6 14.b4 axb4 15.
axb4 h6 16.Bxf6 Qxf6 17.b5 Bg4 18.Nd2 Nh4 19.g3 Nf5 20.bxc6 bxc6 21.Rb6 
Rec8 22.Ba6 Qg5 23.Bxc8 Rxc8 24.Nxd5 Nxg3 25.hxg3 Bxg3 26.fxg3 cxd5 27.
Qxc8+ Bxc8 28.Rxc8+ Kh7 29.Nf1 h5 30.Rbb8 Kg6 31.Rb7 h4 32.Rcc7 h3 33.Rxf7
Kh6 34.Rxg7 h2+ 35.Kh1 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.14"]
[Round "9"]
[White "Hartoch, Robert"]
[Black "Van der Vliet, Fredrik"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2365"]
[EventDate "1979.03.05"]
[PlyCount "28"]
[ECO "D25"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.O-O Nbd7 8.b3 
Bd6 9.Bb2 O-O 10.Be2 Qe7 11.Nbd2 Ba3 12.Bxa3 Qxa3 13.Nc4 Qe7 14.Nfe5 Bxe2 
1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.14"]
[Round "9"]
[White "Langeweg, Christian"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2535"]
[EventDate "1979.03.05"]
[PlyCount "27"]
[ECO "E15"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4 c5 6.Bg2 Bb7 7.O-O cxd4 8.Nxd4 
Bxg2 9.Kxg2 Qc8 10.Nc3 Nc6 11.Nxc6 Qxc6+ 12.Qxc6 dxc6 13.Rd1 Bb4 14.Bd2 
1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.14"]
[Round "9"]
[White "Ligterink, Gert"]
[Black "Bohm, Hans"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2410"]
[EventDate "1979.03.05"]
[PlyCount "45"]
[ECO "C75"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.c3 a6 5.Ba4 d6 6.d4 Bd7 7.Bb3 h6 8.Nh4 Na5 
9.Bc2 g5 10.Nf5 Nxf5 11.exf5 Qf6 12.O-O exd4 13.Re1+ Be7 14.cxd4 d5 15.Bd2
Nc4 16.Bb4 Nd6 17.Nc3 c6 18.Qe2 Nc8 19.Na4 Kd8 20.Ba5+ Ke8 21.Bc7 Nd6 22.
Qxe7+ Qxe7 23.Bxd6 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.14"]
[Round "9"]
[White "Ree, Hans"]
[Black "Van der Wiel, John"]
[Result "1-0"]
[WhiteElo "2480"]
[EventDate "1979.03.05"]
[PlyCount "117"]
[ECO "E82"]

1.c4 g6 2.d4 Bg7 3.Nc3 Nf6 4.e4 d6 5.f3 O-O 6.Be3 a6 7.Qd2 b6 8.Nge2 c5 9.
O-O-O Nc6 10.h4 Na5 11.Ng3 cxd4 12.Bxd4 Be6 13.Nd5 Bxd5 14.cxd5 Rc8+ 15.
Kb1 Nc4 16.Bxc4 Rxc4 17.Ne2 Qb8 18.Rc1 Rfc8 19.Rxc4 Rxc4 20.h5 b5 21.hxg6 
hxg6 22.b3 Rc7 23.e5 dxe5 24.Bxe5 Ne4 25.fxe4 Bxe5 26.Nd4 Bg7 27.Nc6 Qb6 
28.Qf4 e5 29.Qd2 Rd7 30.g4 Qc5 31.g5 Qd6 32.Rc1 f5 33.gxf6 Qxf6 34.Qg2 Bh6
35.Rh1 Bf4 36.Qh3 Rc7 37.Nd8 b4 38.Ne6 Rf7 39.Qd3 Rh7 40.Rxh7 Kxh7 41.Qxa6
Bd2 42.Qe2 Bc3 43.Kc2 Bd4 44.Qf3 Qe7 45.Qf8 Bc5 46.Qxe7+ Bxe7 47.Kd3 Kh6 
48.Nc7 g5 49.Nb5 g4 50.d6 Bf6 51.Nc7 Kh5 52.Nd5 Bg5 53.Ke2 Kh4 54.Nxb4 g3 
55.Nd3 g2 56.Nxe5 g1=N+ 57.Kd3 Nh3 58.d7 Nf4+ 59.Kc4 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.14"]
[Round "9"]
[White "Van Dop, Arend"]
[Black "Hofland, Leonard"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[BlackElo "2295"]
[EventDate "1979.03.05"]
[PlyCount "34"]
[ECO "B09"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 6.dxc5 Qa5 7.Bd3 Qxc5 8.Qe2 
Bg4 9.Be3 Qa5 10.O-O Nc6 11.a3 O-O 12.Kh1 Nd7 13.Qe1 Nc5 14.b4 Nxd3 15.
cxd3 Qd8 16.Rc1 Bxf3 17.Rxf3 Nd4 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.16"]
[Round "10"]
[White "Bohm, Hans"]
[Black "Van Dop, Arend"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2300"]
[EventDate "1979.03.05"]
[PlyCount "95"]
[ECO "D84"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.cxd5 Nxd5 7.Nxd5 Qxd5 8.
Bxc7 Na6 9.Bxa6 bxa6 10.Nf3 Bf5 11.Qb3 Qc6 12.Qc3 Qb7 13.O-O Be4 14.Rfc1 
Bxf3 15.gxf3 Qxf3 16.Qc6 Qg4+ 17.Qg2 Qe2 18.Rab1 Rac8 19.Qe4 Rfe8 20.Rc2 
Qb5 21.Rbc1 e6 22.Qc6 Qd3 23.Qg2 h5 24.Rc3 Qb5 25.b3 Qe2 26.a4 Bf8 27.f3 
Qxg2+ 28.Kxg2 Bb4 29.Rc6 Bd2 30.R1c4 Bxe3 31.Kf1 Re7 32.Be5 Rxc6 33.Rxc6 
f6 34.Bxf6 Rb7 35.Rxe6 Rxb3 36.Be5 Rb6 37.Re7 Rb4 38.d5 Rxa4 39.d6 Bb6 40.
d7 Ra3 41.Bd4 Ba5 42.Kg2 Ra2+ 43.Kg3 g5 44.d8=Q+ Bxd8 45.Re8+ Kf7 46.Rxd8 
Kg6 47.Rd6+ Kf5 48.Rf6# 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.16"]
[Round "10"]
[White "Donner, Jan"]
[Black "Baljon, Christofoor"]
[Result "1-0"]
[WhiteElo "2465"]
[BlackElo "2255"]
[EventDate "1979.03.05"]
[PlyCount "55"]
[ECO "E68"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O Nbd7 7.Qc2 e5 8.Rd1 Re8
9.Nc3 c6 10.e4 a6 11.h3 b5 12.c5 exd4 13.Nxd4 Nxc5 14.Nxc6 Qc7 15.Nb4 Bb7 
16.Bf4 Qa5 17.Nbd5 Bxd5 18.Nxd5 Nxd5 19.Rxd5 Rac8 20.Rc1 Bf8 21.Qb1 Qb4 
22.Bd2 Qa4 23.b3 Qa3 24.Rd1 Bg7 25.Bc1 Qb4 26.Rxd6 Nxe4 27.Bxe4 Rxe4 28.
Ba3 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.16"]
[Round "10"]
[White "Hofland, Leonard"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2295"]
[BlackElo "2395"]
[EventDate "1979.03.05"]
[PlyCount "31"]
[ECO "A13"]

1.c4 e6 2.Nc3 f5 3.e4 fxe4 4.Nxe4 Nf6 5.Nxf6+ Qxf6 6.Nf3 b6 7.Be2 Bb7 8.d4
Bd6 9.O-O O-O 10.Bg5 Qg6 11.Bh4 Nc6 12.Bg3 Bxg3 13.hxg3 Ne7 14.Ne5 Qe8 15.
Bh5 g6 16.Bf3 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.16"]
[Round "10"]
[White "Sosonko, Gennadi"]
[Black "Ligterink, Gert"]
[Result "1-0"]
[WhiteElo "2535"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "57"]
[ECO "E96"]

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 c6 
9.Bf1 a5 10.dxe5 dxe5 11.Na4 Re8 12.h3 Bf8 13.Be3 Rb8 14.Rc1 b6 15.Qc2 Nc5
16.Nxc5 Bxc5 17.Bxc5 bxc5 18.Rcd1 Qc7 19.Qd2 a4 20.Qd6 Qxd6 21.Rxd6 Kg7 
22.Rxc6 Rxb2 23.Rxc5 Nd7 24.Rc7 Rxa2 25.c5 Rb2 26.Ra1 Rb7 27.Rxb7 Bxb7 28.
Bb5 Re7 29.c6 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.16"]
[Round "10"]
[White "Timman, Jan"]
[Black "Langeweg, Christian"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "41"]
[ECO "D41"]

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.Bc4 Nd7 12.O-O b6 13.Rad1 Bb7 14.d5 
Nc5 15.Rfe1 exd5 16.exd5 Qd6 17.Nd4 Qf6 18.Re3 Rad8 19.Rf3 Qh4 20.Nf5 Qf6 
21.Nxg7 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.16"]
[Round "10"]
[White "Van der Vliet, Fredrik"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2480"]
[EventDate "1979.03.05"]
[PlyCount "41"]
[ECO "A32"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.Nf3 cxd4 5.Nxd4 Bb4+ 6.Bd2 Qb6 7.Bg2 Bc5 8.e3 
Bxd4 9.exd4 Qxd4 10.O-O Nc6 11.Na3 O-O 12.Qc2 d5 13.Bc3 Qg4 14.Bxf6 gxf6 
15.cxd5 exd5 16.Rfd1 Bf5 17.Qb3 Nd4 18.h3 Nxb3 19.hxg4 Bxg4 20.axb3 Bxd1 
21.Rxd1 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.16"]
[Round "10"]
[White "Van der Weide, Piet"]
[Black "Van der Wiel, John"]
[Result "0-1"]
[WhiteElo "2290"]
[EventDate "1979.03.05"]
[PlyCount "102"]
[ECO "B25"]

1.e4 c5 2.Nf3 Nc6 3.d3 g6 4.g3 Bg7 5.Bg2 Nf6 6.O-O O-O 7.Nc3 d6 8.h3 Nd7 
9.Be3 Nd4 10.Nh2 f5 11.Nd5 e6 12.Nf4 Nf6 13.c3 Nc6 14.exf5 gxf5 15.Nh5 
Nxh5 16.Qxh5 Bd7 17.Rad1 Qa5 18.a3 Qb5 19.Rd2 Ne5 20.Rfd1 Be8 21.Qe2 c4 
22.d4 Nd3 23.Bg5 e5 24.a4 Qxa4 25.Be7 Rf7 26.Bd5 e4 27.f3 Kh8 28.Bxf7 Bxf7
29.fxe4 fxe4 30.Rf1 Bg6 31.Ng4 Qd7 32.Bf6 h5 33.Bxg7+ Kxg7 34.Nf2 Rf8 35.
Nxd3 cxd3 36.Qe3 Rxf1+ 37.Kxf1 Qxh3+ 38.Kg1 Qg4 39.Rg2 Bf5 40.d5 Kg6 41.c4
Qg5 42.Qd4 e3 43.g4 hxg4 44.Qh8 Kf7 45.Rh2 d2 46.Rh7+ Bxh7 47.Qxh7+ Kf6 
48.Qh8+ Qg7 49.Qh4+ Kf5 50.Qh5+ Kf4 51.Qh2+ Kg5 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.17"]
[Round "11"]
[White "Baljon, Christofoor"]
[Black "Van der Weide, Piet"]
[Result "1-0"]
[WhiteElo "2255"]
[BlackElo "2290"]
[EventDate "1979.03.05"]
[PlyCount "47"]
[ECO "C41"]

1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Qxd4 Nf6 5.Nc3 Be7 6.Bf4 O-O 7.O-O-O a6 8.Bc4
b5 9.Be2 c5 10.Qd3 Qa5 11.Bxd6 Rd8 12.e5 Bxd6 13.exd6 Bb7 14.Ne5 Nbd7 15.
f4 Re8 16.Bf3 c4 17.Qf5 Bxf3 18.gxf3 b4 19.Nd5 Qxa2 20.Rhg1 Rxe5 21.Nxf6+ 
Nxf6 22.fxe5 Nd5 23.e6 fxe6 24.Rxg7+ 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.17"]
[Round "11"]
[White "Hartoch, Robert"]
[Black "Bohm, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2410"]
[EventDate "1979.03.05"]
[PlyCount "200"]
[ECO "A90"]

1.c4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O O-O 6.b3 d6 7.d4 d5 8.Ba3 c6 9.
Qc1 Bd7 10.Bxe7 Qxe7 11.Qa3 Qxa3 12.Nxa3 Be8 13.Ne5 Nbd7 14.Nxd7 Nxd7 15.
Nc2 Bh5 16.Rfe1 a5 17.Bf3 Bxf3 18.exf3 Kf7 19.f4 Rfe8 20.c5 b6 21.cxb6 
Reb8 22.Re3 Rxb6 23.Rc1 Rc8 24.Rc3 Nf6 25.f3 Nd7 26.Kf2 Ke7 27.Ke3 c5 28.
dxc5 Rxc5 29.Nd4 Kd6 30.a4 Rb4 31.Nb5+ Rcxb5 32.Rc6+ Ke7 33.axb5 Rxb3+ 34.
R1c3 Rxb5 35.Rc7 Rb4 36.R3c6 Rb3+ 37.Kd4 Rb4+ 38.Kd3 Rb3+ 39.Kd4 Rb4+ 40.
Kc3 Rb1 41.Kc2 Rb5 42.Ra7 Rb8 43.Raa6 Kf7 44.Rxa5 Rb7 45.Rca6 Nb6 46.Ra7 
Rxa7 47.Rxa7+ Kf6 48.Kd3 h5 49.Kd4 Nc4 50.Ra2 Ke7 51.Kc5 Kf6 52.Kc6 Ke7 
53.Ra7+ Kf6 54.Kd7 e5 55.Ra6+ Kf7 56.Kc6 exf4 57.Kxd5 Nd2 58.Ra2 Nxf3 59.
gxf4 g6 60.Rf2 Nh4 61.Ke5 Ke7 62.Rf1 Kf7 63.h3 Kg7 64.Rd1 Nf3+ 65.Ke6 h4 
66.Rd7+ Kh6 67.Rd1 Kg7 68.Rd7+ Kh6 69.Rd1 Kg7 70.Rf1 Nd2 71.Ra1 Ne4 72.
Ra7+ Kh6 73.Kf7 Kh7 74.Ra6 g5 75.fxg5 Nxg5+ 76.Kf6 Nxh3 77.Kxf5 Nf2 78.Ra2
Nh1 79.Rh2 Ng3+ 80.Kf4 Kg6 81.Rxh4 Nh5+ 82.Ke5 Kg5 83.Rh2 Kg4 84.Rg2+ Ng3 
85.Rf2 Nh5 86.Rf8 Ng3 87.Rf7 Nh5 88.Rf1 Ng3 89.Ra1 Kg5 90.Ra4 Nh5 91.Ra8 
Nf6 92.Ra5 Nh5 93.Ra7 Kg4 94.Rf7 Ng3 95.Rf4+ Kg5 96.Rd4 Nh5 97.Rd1 Ng3 98.
Rd8 Kg4 99.Rg8+ Kf3 100.Rxg3+ Kxg3 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.17"]
[Round "11"]
[White "Langeweg, Christian"]
[Black "Donner, Jan"]
[Result "0-1"]
[WhiteElo "2440"]
[BlackElo "2465"]
[EventDate "1979.03.05"]
[PlyCount "24"]
[ECO "D53"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Be7 5.Bg5 O-O 6.Qc2 h6 7.Bxf6 Bxf6 8.e4 
dxe4 9.Qxe4 c5 10.O-O-O Nc6 11.Bd3 g6 12.Ne5 Qxd4 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.17"]
[Round "11"]
[White "Ligterink, Gert"]
[Black "Timman, Jan"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2625"]
[EventDate "1979.03.05"]
[PlyCount "59"]
[ECO "C79"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Bd7 6.c3 Nf6 7.d4 Qe7 8.Re1 g6 
9.Nbd2 Bg7 10.dxe5 dxe5 11.Nf1 O-O 12.Bg5 h6 13.Bh4 Rad8 14.Qe2 g5 15.Bg3 
Nh5 16.Ne3 Nf4 17.Bxf4 exf4 18.Nd5 Qc5 19.b4 Qd6 20.Rad1 b5 21.e5 Nxe5 22.
Nxe5 Bxe5 23.Qxe5 Qxe5 24.Rxe5 f6 25.Ne7+ Kg7 26.Red5 bxa4 27.Rxd7 Rxd7 
28.Rxd7 Kf7 29.Rxc7 Ke6 30.c4 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.17"]
[Round "11"]
[White "Ree, Hans"]
[Black "Hofland, Leonard"]
[Result "1-0"]
[WhiteElo "2480"]
[BlackElo "2295"]
[EventDate "1979.03.05"]
[PlyCount "79"]
[ECO "E84"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 Nc6 6.Be3 a6 7.Qd2 Rb8 8.O-O-O Bd7
9.h4 O-O 10.Nge2 h5 11.Bh6 b5 12.Bxg7 Kxg7 13.Qe3 e5 14.c5 b4 15.Nb1 exd4 
16.Nxd4 Nxd4 17.Qxd4 Be6 18.Nd2 Qe8 19.Bc4 dxc5 20.Qxc5 Bxc4 21.Nxc4 b3 
22.a3 Rb5 23.Qd4 Qe6 24.Rd3 Re8 25.Ne3 Kg8 26.Rhd1 Rb6 27.Kb1 Rd6 28.Qc4 
Qxc4 29.Nxc4 Rc6 30.Nd2 Rb8 31.Nxb3 Kg7 32.R1d2 Ne8 33.Rc2 Rcb6 34.Nc5 Nd6
35.Nd7 Rb3 36.Rxd6 cxd6 37.Nxb8 Rxb8 38.Rc6 Rd8 39.Rxa6 d5 40.e5 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.17"]
[Round "11"]
[White "Van Dop, Arend"]
[Black "Sosonko, Gennadi"]
[Result "1-0"]
[WhiteElo "2300"]
[BlackElo "2535"]
[EventDate "1979.03.05"]
[PlyCount "75"]
[ECO "B51"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bg4 5.h3 Bxf3 6.Qxf3 g6 7.c3 Bg7 8.d3 
Qb6 9.Ba4 Nf6 10.Qe2 O-O 11.Nd2 Qa6 12.Bb3 b5 13.f4 b4 14.Bc4 Qb6 15.Kh2 
Nd7 16.Rb1 Rab8 17.Bb3 Qc7 18.cxb4 Nd4 19.Qf2 Nxb3 20.Nxb3 Rxb4 21.Bd2 Ra4
22.Nc1 f5 23.exf5 Rxf5 24.Ne2 Rxa2 25.Nc3 Bxc3 26.Bxc3 Nb6 27.Qe2 Qd7 28.
g4 Rf7 29.f5 g5 30.Qd2 h6 31.h4 Qa4 32.hxg5 Qxg4 33.g6 Qh4+ 34.Kg2 Qg4+ 
35.Kh2 Qh4+ 36.Kg2 Qg4+ 37.Kh2 Rf8 38.Qxh6 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.17"]
[Round "11"]
[White "Van der Wiel, John"]
[Black "Van der Vliet, Fredrik"]
[Result "1/2-1/2"]
[BlackElo "2365"]
[EventDate "1979.03.05"]
[PlyCount "42"]
[ECO "B93"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.Bd3 g6 8.Nf3 Bg7
9.O-O Nbd7 10.Qe1 b5 11.e5 dxe5 12.fxe5 Ng4 13.e6 fxe6 14.Qe4 Qa7+ 15.Kh1 
Ndf6 16.Qe2 O-O 17.a4 b4 18.Ne4 Nd5 19.Nf2 Nxf2+ 20.Rxf2 Bd7 21.h4 Nf4 
1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.19"]
[Round "12"]
[White "Baljon, Christofoor"]
[Black "Langeweg, Christian"]
[Result "0-1"]
[WhiteElo "2255"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "72"]
[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 
Nxd4 9.Qxd4 Bc5 10.Qd3 d6 11.Na4 Ba7 12.Bf4 e5 13.Bg5 Ng8 14.Rfd1 h6 15.
Be3 Ke7 16.c4 Nf6 17.Rac1 Bxe3 18.Qxe3 Bg4 19.f3 Be6 20.c5 d5 21.f4 exf4 
22.gxf4 dxe4 23.Bxe4 Nxe4 24.Qxe4 Qc6 25.Qxc6 bxc6 26.Rd6 g5 27.Rxc6 gxf4 
28.Rb6 Rad8 29.Rc2 Rhg8+ 30.Kf2 Rd1 31.Nc3 Rh1 32.Kf3 Rf1+ 33.Ke2 Bc4+ 34.
Kd2 Rg2+ 35.Ne2 Rxe2+ 36.Kc3 Rf3+ 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.19"]
[Round "12"]
[White "Bohm, Hans"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2410"]
[BlackElo "2480"]
[EventDate "1979.03.05"]
[PlyCount "68"]
[ECO "A46"]

1.d4 Nf6 2.c4 c5 3.dxc5 e6 4.Nc3 Bxc5 5.Nf3 O-O 6.e3 b6 7.Be2 Bb7 8.a3 d5 
9.b4 Be7 10.Bb2 Nbd7 11.O-O dxc4 12.Bxc4 Qc7 13.Qe2 Ng4 14.Nb5 Qb8 15.Nbd4
Bf6 16.h3 Nge5 17.Nxe5 Nxe5 18.Ba2 Ng6 19.Rac1 Rc8 20.Rxc8+ Qxc8 21.Rc1 
Qd7 22.b5 Rc8 23.Rxc8+ Qxc8 24.a4 Qc5 25.Qc4 Bd5 26.Qxc5 bxc5 27.Bxd5 exd5
28.a5 cxd4 29.b6 a6 30.exd4 Ne7 31.b7 Nc6 32.Kf1 Kf8 33.Ke2 Ke8 34.Kd3 Kd7
0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.19"]
[Round "12"]
[White "Donner, Jan"]
[Black "Ligterink, Gert"]
[Result "0-1"]
[WhiteElo "2465"]
[BlackElo "2440"]
[EventDate "1979.03.05"]
[PlyCount "70"]
[ECO "E96"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 Nf6 5.Be2 O-O 6.Nf3 e5 7.O-O Nbd7 8.Re1 c6 
9.Bf1 a5 10.Rb1 exd4 11.Nxd4 Re8 12.Bf4 Ne5 13.h3 Nfd7 14.Qd2 Nc5 15.Red1 
Qe7 16.Be3 Ned7 17.Re1 Nf6 18.f3 Qc7 19.Bf2 b6 20.Red1 Bb7 21.Qc2 Rad8 22.
a3 d5 23.cxd5 cxd5 24.Ndb5 Qf4 25.Ne2 Qe5 26.Bd4 Qe7 27.e5 Nfd7 28.Nd6 
Nxe5 29.Nxe8 Rxe8 30.Nc3 Ne6 31.Bxe5 Bxe5 32.Nxd5 Qg5 33.Qf2 Bxd5 34.Rxd5 
Nf4 35.Rxe5 Nxh3+ 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.19"]
[Round "12"]
[White "Hofland, Leonard"]
[Black "Van der Wiel, John"]
[Result "0-1"]
[WhiteElo "2295"]
[EventDate "1979.03.05"]
[PlyCount "81"]
[ECO "E67"]

1.g3 g6 2.Bg2 Bg7 3.c4 Nf6 4.Nc3 O-O 5.Nf3 d6 6.O-O e5 7.d4 Nbd7 8.b3 Re8 
9.Qc2 c6 10.Rd1 exd4 11.Nxd4 Nc5 12.Bb2 Qb6 13.Rab1 a5 14.Ba1 Ng4 15.h3 
Nxf2 16.Na4 Qa7 17.Kxf2 Bf5 18.Qd2 Bxb1 19.Rxb1 Ne4+ 20.Bxe4 Rxe4 21.e3 
Rae8 22.Nc2 Bxa1 23.Rxa1 R4e5 24.Nc3 Qb8 25.Kg2 h5 26.Rd1 Rd8 27.e4 Rd7 
28.Nd4 Qf8 29.Nf3 Ree7 30.Qd4 Qh6 31.h4 Qg7 32.e5 dxe5 33.Qxd7 Rxd7 34.
Rxd7 Qf8 35.Ng5 f5 36.Ne6 Qa3 37.Na4 Qxa2+ 38.Kf1 Qxb3 39.Nac5 Qxc4+ 40.
Kg2 b6 41.Rd8+ 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.19"]
[Round "12"]
[White "Sosonko, Gennadi"]
[Black "Hartoch, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2395"]
[EventDate "1979.03.05"]
[PlyCount "68"]
[ECO "E11"]

1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2 Bxd2+ 5.Qxd2 O-O 6.Bg2 d5 7.Nf3 c6 8.Qc2 
b6 9.Nbd2 Bb7 10.e4 dxe4 11.Nxe4 Nxe4 12.Qxe4 Nd7 13.O-O Rb8 14.Rad1 c5 
15.Qe3 Qc7 16.d5 exd5 17.cxd5 Rfe8 18.d6 Qd8 19.Qc3 Ba6 20.Rfe1 Be2 21.Rd5
Bxf3 22.Rxe8+ Qxe8 23.Bxf3 Rd8 24.Rd1 Qe5 25.Qa3 Nf8 26.Qxa7 Rxd6 27.Rxd6 
Qxd6 28.Qa8 g6 29.Qc6 Qxc6 30.Bxc6 Ne6 31.f4 Kf8 32.Kf2 Ke7 33.Ke3 Nd4 34.
Bd5 Nf5+ 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.19"]
[Round "12"]
[White "Timman, Jan"]
[Black "Van Dop, Arend"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2300"]
[EventDate "1979.03.05"]
[PlyCount "79"]
[ECO "A16"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.Qa4+ Bd7 6.Qh4 Bc6 7.Qd4 Nf6 8.
Qxd8+ Kxd8 9.Ne5 Be8 10.d4 Nc6 11.Bf4 Nh5 12.Nxc6+ Bxc6 13.d5 Nxf4 14.dxc6
bxc6 15.e3 Ne6 16.Bc4 Bg7 17.O-O-O+ Ke8 18.Bxe6 fxe6 19.Ne4 Rb8 20.Rd2 Rf8
21.b3 Rf5 22.Rc2 Re5 23.Nc5 Rb5 24.Na4 Kd7 25.Kd2 Rh5 26.Ke2 Rbd5 27.h3 
Rhe5 28.f4 Rh5 29.Rhc1 Rd6 30.Nc5+ Ke8 31.Ne4 Ra5 32.a4 Rd8 33.Rxc6 e5 34.
Nc5 exf4 35.exf4 Rd5 36.b4 Rdxc5 37.bxa5 Rxa5 38.R1c4 Bh6 39.Rxc7 g5 40.
Re4 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.19"]
[Round "12"]
[White "Van der Weide, Piet"]
[Black "Van der Vliet, Fredrik"]
[Result "0-1"]
[WhiteElo "2290"]
[BlackElo "2365"]
[EventDate "1979.03.05"]
[PlyCount "98"]
[ECO "A04"]

1.e4 c5 2.Nf3 Nc6 3.d3 g6 4.g3 Bg7 5.Bg2 e5 6.O-O Nge7 7.Be3 d6 8.Qd2 O-O 
9.Bh6 Bxh6 10.Qxh6 f6 11.c3 Be6 12.Nbd2 Qd7 13.a3 b6 14.Rfd1 Rad8 15.Nf1 
d5 16.b4 cxb4 17.axb4 Qc7 18.Rdc1 a5 19.Ne3 axb4 20.cxb4 Qd7 21.Rab1 Rc8 
22.h4 d4 23.Nc4 Rb8 24.h5 b5 25.Ncd2 Qd6 26.Nh4 g5 27.Nhf3 Rf7 28.Nxg5 
fxg5 29.Nb3 Rbf8 30.Nc5 Rf6 31.Qxg5+ Kh8 32.Rf1 h6 33.Qd2 Bg8 34.Rbe1 Qc7 
35.Bh3 Nb8 36.f4 Kg7 37.Re2 Nec6 38.Rg2 Qe7 39.Bf5 Bf7 40.g4 exf4 41.Qxf4 
Kh8 42.Qd2 Ne5 43.Qb2 Nbc6 44.Ra1 Rd6 45.Ra6 Qg5 46.Rb6 Qe3+ 47.Qf2 Nf3+ 
48.Kf1 Qc1+ 49.Ke2 Nce5 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.21"]
[Round "13"]
[White "Hartoch, Robert"]
[Black "Timman, Jan"]
[Result "0-1"]
[WhiteElo "2395"]
[BlackElo "2625"]
[EventDate "1979.03.05"]
[PlyCount "106"]
[ECO "A08"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 e5 4.O-O d5 5.d3 Nf6 6.Nbd2 Be7 7.e4 O-O 8.c3 d4 
9.Nc4 Qc7 10.cxd4 cxd4 11.a4 Be6 12.Nfd2 Nd7 13.f4 f6 14.b3 b6 15.Ba3 Bxa3
16.Rxa3 a6 17.fxe5 fxe5 18.Nf3 h6 19.Qd2 b5 20.axb5 axb5 21.Rfa1 Rxa3 22.
Nxa3 b4 23.Nc4 Bxc4 24.bxc4 Nc5 25.Qd1 g6 26.h4 b3 27.Rb1 Qa5 28.Nd2 Qa2 
29.Bf1 Qc2 30.Be2 Qxd1+ 31.Bxd1 Nb4 32.Be2 Rb8 33.Nxb3 Nbxd3 34.Nd2 Rxb1+ 
35.Nxb1 Nc1 36.Bf3 N1b3 37.Kf2 Kf7 38.Ke1 Ke7 39.Bd1 Nc1 40.Bf3 Kd6 41.Kd1
N1d3 42.Nd2 Kc7 43.Kc2 Kb6 44.h5 gxh5 45.Bxh5 Nf2 46.Bg6 Kc6 47.Kb2 Nh1 
48.Nf1 Nf2 49.Nd2 Nh1 50.Nf1 Nb7 51.Bh5 Nd6 52.Bf3 Nxc4+ 53.Kb3 Nxg3 0-1

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.21"]
[Round "13"]
[White "Langeweg, Christian"]
[Black "Van der Weide, Piet"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2290"]
[EventDate "1979.03.05"]
[PlyCount "49"]
[ECO "A88"]

1.d4 f5 2.Nf3 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O d6 6.c4 O-O 7.Nc3 c6 8.b3 Na6 9.
Bb2 Bd7 10.Re1 Nh5 11.d5 Qa5 12.Qd2 cxd5 13.cxd5 Rac8 14.Rac1 f4 15.e3 
fxg3 16.hxg3 Nf6 17.Nd4 Nc7 18.Rc2 a6 19.Rec1 Na8 20.Ne6 Bxe6 21.dxe6 Nb6 
22.Nd5 Qxd2 23.Nxe7+ Kh8 24.Rxd2 Rxc1+ 25.Bxc1 1-0

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.21"]
[Round "13"]
[White "Ligterink, Gert"]
[Black "Baljon, Christofoor"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2255"]
[EventDate "1979.03.05"]
[PlyCount "25"]
[ECO "E92"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.dxe5 dxe5 8.Qxd8 
Rxd8 9.Bg5 Re8 10.Nd5 Nxd5 11.cxd5 c6 12.Bc4 cxd5 13.Bxd5 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.21"]
[Round "13"]
[White "Ree, Hans"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2535"]
[EventDate "1979.03.05"]
[PlyCount "17"]
[ECO "D14"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 7.e3 e6 8.Bb5 
Bd6 9.Bxd6 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.21"]
[Round "13"]
[White "Van Dop, Arend"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[BlackElo "2465"]
[EventDate "1979.03.05"]
[PlyCount "69"]
[ECO "E04"]

1.d4 d5 2.c4 e6 3.g3 Nf6 4.Bg2 dxc4 5.Nf3 Nbd7 6.Nbd2 Nb6 7.O-O c5 8.Nxc4 
Nxc4 9.Qa4+ Bd7 10.Qxc4 Qb6 11.Rd1 Be7 12.b3 Bb5 13.Qc2 O-O 14.a4 Bc6 15.
Ba3 Be4 16.Qb2 Rfc8 17.Rac1 Bf8 18.dxc5 Bxc5 19.Bxc5 Rxc5 20.Rxc5 Qxc5 21.
Rc1 Qb6 22.Qd4 Qxd4 23.Nxd4 Bxg2 24.Kxg2 Kf8 25.Nb5 Ne8 26.Kf3 Ke7 27.Ke3 
a6 28.Nc7 Rc8 29.Nd5+ Kd8 30.Rxc8+ Kxc8 31.Nb6+ Kc7 32.Nc4 b5 33.axb5 axb5
34.Ne5 f6 35.Nd3 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.21"]
[Round "13"]
[White "Van der Vliet, Fredrik"]
[Black "Hofland, Leonard"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2295"]
[EventDate "1979.03.05"]
[PlyCount "65"]
[ECO "A14"]

1.Nf3 Nf6 2.g3 e6 3.Bg2 d5 4.c4 Be7 5.O-O O-O 6.b3 c5 7.e3 b6 8.Bb2 Bb7 9.
Qe2 Nbd7 10.Nc3 Rc8 11.Rac1 Qc7 12.d3 Bc6 13.Rfd1 Qb7 14.Nh4 Rfd8 15.f4 
Ne8 16.Nf3 Bf6 17.Kh1 Nd6 18.Re1 Nf5 19.e4 dxe4 20.dxe4 Nd4 21.Nxd4 cxd4 
22.Nd5 d3 23.Qf2 Bxb2 24.Ne7+ Kf8 25.Nxc6 Qxc6 26.Qxb2 d2 27.Qxd2 Nc5 28.
Qb4 Kg8 29.e5 Qc7 30.Bf1 Qc6+ 31.Bg2 Qc7 32.Bf1 Qc6+ 33.Bg2 1/2-1/2

[Event "35th NED-ch"]
[Site "Leeuwarden NED"]
[Date "1979.03.21"]
[Round "13"]
[White "Van der Wiel, John"]
[Black "Bohm, Hans"]
[Result "1-0"]
[BlackElo "2410"]
[EventDate "1979.03.05"]
[PlyCount "77"]
[ECO "B05"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.c4 Nb6 8.Nc3 O-O 
9.Be3 d5 10.c5 Bxf3 11.gxf3 Nc8 12.f4 Bh4 13.Bd3 f5 14.exf6 g6 15.f7+ Kh8 
16.Qg4 Qf6 17.Kg2 Qe7 18.Rae1 Bf6 19.Bd2 Qxf7 20.Qxe6 Qxe6 21.Rxe6 Ne7 22.
Nb5 Na6 23.Rfe1 Nf5 24.c6 b6 25.Bxf5 gxf5 26.R1e3 Kg7 27.Ra3 Kf7 28.Rxf6+ 
Kxf6 29.Rxa6 Rf7 30.Kf3 Ke6 31.Ra3 Kf6 32.Rxa7 Rxa7 33.Nxa7 Ke7 34.a4 Rf6 
35.a5 bxa5 36.Bxa5 Kd8 37.b4 Rh6 38.Kg2 Rg6+ 39.Kf1 1-0
