[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.16"]
[Round "1"]
[White "Kuijpers, Franciscus"]
[Black "Van Wijgerden, Cornelis"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "42"]
[ECO "B09"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nf6 5.Nf3 c5 6.Bb5+ Bd7 7.e5 Ng4 8.Bxd7+ 
Qxd7 9.d5 dxe5 10.h3 e4 11.Nxe4 Nf6 12.Nxf6+ Bxf6 13.O-O O-O 14.c4 e6 15.
Ne5 Qd6 16.Qb3 Nd7 17.Qxb7 Nxe5 18.fxe5 Qxe5 19.Bh6 Bg7 20.Bxg7 Qxg7 21.
Rad1 Rab8 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.16"]
[Round "1"]
[White "Langeweg, Christian"]
[Black "Van der Wiel, John"]
[Result "1-0"]
[WhiteElo "2395"]
[BlackElo "2530"]
[EventDate "1983.04.16"]
[PlyCount "55"]
[ECO "D37"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 Nc6 8.Bf4 
d5 9.e3 Re8 10.Be2 e5 11.Bg5 d4 12.O-O-O Qa5 13.exd4 Nxd4 14.Nxd4 Bxd4 15.
Nb5 Qb6 16.Bxf6 Qxf6 17.Nc7 Bf5 18.Nxe8 Rxe8 19.Bd3 e4 20.Rhe1 Qg5+ 21.Qd2
Qxg2 22.Bf1 Qxf2 23.Qxd4 Qxh2 24.Qe3 Bg6 25.Be2 f5 26.Rf1 Rc8 27.Rd7 b5 
28.Qd4 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.16"]
[Round "1"]
[White "Ligterink, Gert"]
[Black "Van der Sterren, Paul"]
[Result "0-1"]
[WhiteElo "2440"]
[BlackElo "2460"]
[EventDate "1983.04.16"]
[PlyCount "58"]
[ECO "D55"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bxf6 Bxf6 8.Rc1 c6
9.Bd3 Nd7 10.O-O dxc4 11.Bxc4 e5 12.Ne4 exd4 13.Nxf6+ Nxf6 14.Qxd4 Bg4 15.
Qf4 Qe7 16.Nd4 Rad8 17.Bb3 Rfe8 18.h3 Bc8 19.Rfd1 Qd6 20.Qf3 Qe5 21.Ba4 
Rd6 22.b4 Ne4 23.Qe2 Rg6 24.f4 Qe7 25.f5 Rg3 26.a3 Ng5 27.Re1 Nxh3+ 28.Kf1
Ng5 29.Bb3 Qe4 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.16"]
[Round "1"]
[White "Ree, Hans"]
[Black "Timmerman, Gert Jan"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2285"]
[EventDate "1983.04.16"]
[PlyCount "55"]
[ECO "A56"]

1.d4 Nf6 2.c4 c5 3.d5 Ne4 4.Qc2 Qa5+ 5.Nd2 Nd6 6.e4 g6 7.Nf3 Bg7 8.Bd3 Na6
9.a3 b5 10.cxb5 Nxb5 11.O-O O-O 12.Nc4 Qd8 13.Bd2 d6 14.Ba5 Qe8 15.h3 Bd7 
16.Qe2 Qc8 17.e5 Re8 18.a4 Nbc7 19.exd6 exd6 20.Nxd6 Rxe2 21.Nxc8 Rxb2 22.
Ne7+ Kf8 23.d6 Rb3 24.Rad1 Bf6 25.dxc7 Nxc7 26.Bxc7 Kxe7 27.Bd6+ Ke8 28.
Rfe1+ 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.16"]
[Round "1"]
[White "Timman, Jan"]
[Black "Van Scheltinga, Theodore"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2325"]
[EventDate "1983.04.16"]
[PlyCount "89"]
[ECO "B42"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 6.Nb3 Ba7 7.Qe2 Nc6 8.Be3 
Bxe3 9.Qxe3 d6 10.Nc3 Nf6 11.O-O-O Qc7 12.g4 Bd7 13.g5 Ng8 14.Be2 O-O-O 
15.Nd2 Be8 16.f4 Nge7 17.Bf3 Kb8 18.Nb3 Nc8 19.Kb1 Na5 20.Qd4 Rg8 21.Nxa5 
Qxa5 22.h4 Bc6 23.Qd3 Rh8 24.Ne2 e5 25.f5 h6 26.Nc3 Ne7 27.a3 Qb6 28.Qe2 
Qc7 29.Qf2 hxg5 30.hxg5 f6 31.Rhg1 Rh7 32.Rg3 Rdh8 33.Qd2 Nc8 34.gxf6 gxf6
35.Rg6 Rf8 36.Be2 Rh4 37.Qe1 Rh7 38.Bc4 Be8 39.Rg8 Rxg8 40.Bxg8 Rh2 41.Qg3
Rh6 42.Nd5 Qd8 43.Be6 Na7 44.Qg7 Rh2 45.Nb4 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.16"]
[Round "1"]
[White "Van der Vliet, Fredrik"]
[Black "Bohm, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[BlackElo "2380"]
[EventDate "1983.04.16"]
[PlyCount "46"]
[ECO "A32"]

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Bc5 6.Nb3 Bb4 7.Bd2 O-O 8.a3 
Bxc3 9.Bxc3 d5 10.e3 b6 11.Be2 Ba6 12.cxd5 Nxd5 13.Rc1 Qh4 14.Bxa6 Nxa6 
15.Qd4 Qxd4 16.Bxd4 Rac8 17.Ke2 f6 18.g3 e5 19.e4 exd4 20.exd5 Rcd8 21.
Rhd1 Rfe8+ 22.Kf1 Rxd5 23.Rxd4 Rb5 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.17"]
[Round "2"]
[White "Bohm, Hans"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2380"]
[BlackElo "2395"]
[EventDate "1983.04.16"]
[PlyCount "53"]
[ECO "E32"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3+ 6.Qxc3 d6 7.e3 b6 8.Be2 
Bb7 9.Nf3 Nbd7 10.O-O c5 11.Rd1 Ne4 12.Qe1 Rc8 13.Nd2 Nef6 14.b3 cxd4 15.
exd4 d5 16.a4 Re8 17.Bb2 Nb8 18.Rac1 dxc4 19.bxc4 Bc6 20.Ra1 Qd7 21.a5 b5 
22.Qf1 bxc4 23.Nxc4 Bb5 24.Rdc1 Bxc4 25.Bxc4 Red8 26.Ra3 Nd5 27.g3 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.17"]
[Round "2"]
[White "Ligterink, Gert"]
[Black "Kuijpers, Franciscus"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2255"]
[EventDate "1983.04.16"]
[PlyCount "69"]
[ECO "D18"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O
9.Nh4 Bg4 10.f3 Bh5 11.g4 Bg6 12.Nxg6 hxg6 13.e4 Qe7 14.g5 Nfd7 15.f4 e5 
16.fxe5 Nxe5 17.Bb3 Rd8 18.Be3 Bc5 19.Kh1 Na6 20.Rf2 Bxd4 21.Bxd4 Qxg5 22.
Bxf7+ Nxf7 23.Rxf7 Rxd4 24.Qxd4 Kxf7 25.Qd7+ Kg8 26.Qxb7 Rb8 27.Qxa6 Rxb2 
28.Qc8+ Kh7 29.Qh3+ Kg8 30.Rg1 Qf6 31.Rf1 Qg5 32.Qg3 Qc5 33.Rd1 Qh5 34.
Rd8+ Kh7 35.Rd3 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.17"]
[Round "2"]
[White "Timmerman, Gert Jan"]
[Black "Timman, Jan"]
[Result "0-1"]
[WhiteElo "2285"]
[BlackElo "2605"]
[EventDate "1983.04.16"]
[PlyCount "50"]
[ECO "C45"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb6 6.Nc3 d6 7.Be2 h6 8.Bf4 
Nf6 9.Qd2 Be6 10.O-O O-O 11.Rad1 Re8 12.Bf3 Ne5 13.Bxe5 dxe5 14.Qe2 Qe7 
15.Rd2 a5 16.a4 Qb4 17.Rfd1 c6 18.Qe1 Bxb3 19.cxb3 Qxb3 20.Ra1 Rad8 21.Qd1
Qxd1+ 22.Raxd1 Rd4 23.b3 Bc5 24.Ne2 Rb4 25.Rd8 Rxb3 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.17"]
[Round "2"]
[White "Van Scheltinga, Theodore"]
[Black "Van der Vliet, Fredrik"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2370"]
[EventDate "1983.04.16"]
[PlyCount "77"]
[ECO "A41"]

1.Nf3 d6 2.d4 g6 3.Bf4 Bg7 4.e3 Nd7 5.Bc4 e6 6.Nbd2 Ne7 7.c3 O-O 8.Qe2 Nb6
9.Bb3 Nbd5 10.Bg3 Nf5 11.e4 Nxg3 12.hxg3 Ne7 13.e5 d5 14.g4 h6 15.Qe3 g5 
16.O-O-O Ng6 17.Bc2 Bd7 18.g3 Rc8 19.Ne1 f5 20.f4 Be8 21.gxf5 exf5 22.fxg5
Qxg5 23.Qxg5 hxg5 24.Ndf3 f4 25.g4 c5 26.Bf5 Rc6 27.Nxg5 cxd4 28.Be6+ Rxe6
29.Nxe6 Rf7 30.cxd4 f3 31.Nd3 Bb5 32.Nf2 Be2 33.Rd2 Re7 34.Nxg7 Kxg7 35.
Rc2 Nf4 36.Kd2 Kg6 37.Rc8 Ng2 38.Rg8+ Kf7 39.Rh7+ 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.17"]
[Round "2"]
[White "Van Wijgerden, Cornelis"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2440"]
[BlackElo "2500"]
[EventDate "1983.04.16"]
[PlyCount "90"]
[ECO "C11"]

1.e4 e6 2.Nc3 d5 3.d4 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 cxd4 8.Nxd4 
Qb6 9.Qd2 Qxb2 10.Rb1 Qa3 11.Rb3 Qa5 12.Ncb5 Qd8 13.Qc3 Ndb8 14.Nf3 Be7 
15.Bc5 O-O 16.Bxe7 Qxe7 17.Bd3 f5 18.Nd6 b6 19.O-O Bd7 20.Ra3 Na5 21.Nd4 
Nbc6 22.Nxc6 Nxc6 23.Rb1 Qd8 24.Qd2 Na5 25.Rc3 Bc6 26.Ba6 Rb8 27.Be2 b5 
28.Qd4 Nc4 29.Bxc4 bxc4 30.Rd1 Qa5 31.Rg3 Qxa2 32.Qc5 Rb1 33.Rf1 Rxf1+ 34.
Kxf1 Qb1+ 35.Ke2 Qxc2+ 36.Ke1 Rb8 37.Nb5 Qb1+ 38.Kf2 Qxb5 39.Rxg7+ Kxg7 
40.Qe7+ Kg8 41.Qxe6+ Kf8 42.Qxf5+ Ke8 43.Qxh7 Qc5+ 44.Kg3 Rb3+ 45.Kg4 Bd7+
0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.17"]
[Round "2"]
[White "Van der Sterren, Paul"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2460"]
[BlackElo "2530"]
[EventDate "1983.04.16"]
[PlyCount "117"]
[ECO "D58"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Bg5 Be7 5.Nc3 h6 6.Bh4 O-O 7.e3 b6 8.Qb3 Bb7 
9.Bxf6 Bxf6 10.cxd5 Bxd5 11.Nxd5 exd5 12.Rc1 Qd6 13.Qc2 Rc8 14.Qf5 Re8 15.
Qc2 c6 16.Bd3 Qb4+ 17.Qd2 a5 18.a3 Qxd2+ 19.Kxd2 a4 20.Ng1 c5 21.Ne2 Rd8 
22.Bb1 Nc6 23.Ba2 Rac8 24.Kd3 c4+ 25.Kd2 b5 26.Ra1 Be7 27.Bb1 Na5 28.Bc2 
c3+ 29.Nxc3 Nc4+ 30.Kc1 Nxa3 31.bxa3 Rxc3 32.Kd2 Rxa3 33.Rxa3 Bxa3 34.Rb1 
Be7 35.Rxb5 Ra8 36.Bb1 Ra5 37.Rxa5 Bb4+ 38.Kd3 Bxa5 39.Ba2 Kf8 40.Bxd5 Bc7
41.h3 Ke7 42.Ba2 Ba5 43.e4 g5 44.e5 Be1 45.Ke2 Bc3 46.Kd3 Be1 47.f3 f6 48.
Ke4 fxe5 49.dxe5 Kf8 50.Kf5 Kg7 51.Kg4 Bc3 52.Kf5 Be1 53.Kg4 Bc3 54.h4 
Bxe5 55.hxg5 hxg5 56.Kxg5 a3 57.f4 Bd6 58.Kf5 Bc7 59.g3 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.18"]
[Round "3"]
[White "Kuijpers, Franciscus"]
[Black "Van der Sterren, Paul"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2460"]
[EventDate "1983.04.16"]
[PlyCount "83"]
[ECO "B09"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 6.Bb5+ Bd7 7.e5 Ng4 8.Bxd7+ 
Qxd7 9.d5 dxe5 10.h3 e4 11.Nxe4 Nf6 12.Nxf6+ Bxf6 13.O-O O-O 14.c4 e6 15.
Ne5 Qd6 16.Qb3 b6 17.Ng4 Bg7 18.Qf3 f5 19.Ne5 Nd7 20.Nc6 Rfe8 21.Rd1 Nf6 
22.Rb1 exd5 23.cxd5 Re4 24.Qb3 Rae8 25.Ne5 c4 26.Qb5 Rc8 27.Qa6 Rc7 28.b3 
c3 29.Ba3 Qd8 30.d6 c2 31.dxc7 Qxc7 32.Qd3 cxb1=Q 33.Rxb1 Rxf4 34.Bd6 Qb7 
35.Rc1 Ne8 36.b4 Bxe5 37.Bxe5 Re4 38.Bb2 Re6 39.Qd4 Nf6 40.Qd8+ Ne8 41.Qd4
Nf6 42.Qd8+ 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.18"]
[Round "3"]
[White "Langeweg, Christian"]
[Black "Van Scheltinga, Theodore"]
[Result "1-0"]
[WhiteElo "2395"]
[BlackElo "2325"]
[EventDate "1983.04.16"]
[PlyCount "93"]
[ECO "D52"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 Nf6 5.Bg5 Nbd7 6.e3 Qa5 7.Nd2 Bb4 8.Qc2 
dxc4 9.Bxf6 Nxf6 10.Nxc4 Qc7 11.Be2 O-O 12.O-O Bd7 13.a3 Be7 14.b4 b6 15.
Rfc1 Rfc8 16.Rab1 Be8 17.Ne4 Nd5 18.Bd3 a5 19.bxa5 b5 20.Nb6 Nxb6 21.axb6 
Qxb6 22.a4 b4 23.Nc5 h6 24.Qc4 Rcb8 25.Bc2 Ra5 26.Bb3 Bxc5 27.dxc5 Qa7 28.
Qd4 Qd7 29.Qf4 Rb7 30.Rb2 Qe7 31.Rbc2 e5 32.Qe4 Ra8 33.Rd2 Ra5 34.Qc4 Bd7 
35.Rd6 Be6 36.Qd3 Ra8 37.Bxe6 fxe6 38.Qb3 Kf7 39.Rcd1 Ra5 40.f4 Rxc5 41.f5
Rc1 42.fxe6+ Ke8 43.Rxc1 Qxd6 44.Rd1 Qe7 45.Qc4 c5 46.Qe4 Kf8 47.Rf1+ 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.18"]
[Round "3"]
[White "Ree, Hans"]
[Black "Ligterink, Gert"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "81"]
[ECO "E52"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.e3 Bb4 6.Bd3 O-O 7.O-O d5 8.a3 Bd6 
9.cxd5 exd5 10.b4 Nbd7 11.Qb3 Re8 12.a4 c6 13.Ba3 Rb8 14.Rfe1 c5 15.bxc5 
bxc5 16.Qc2 Bf8 17.dxc5 Bxc5 18.Nb5 Bxa3 19.Rxa3 Qa5 20.Qc3 Qxc3 21.Rxc3 
Rec8 22.Rec1 Rxc3 23.Rxc3 a5 24.Rc7 Ba6 25.h3 g6 26.Nfd4 Rb6 27.Nc6 Rb7 
28.Rxb7 Bxb7 29.Nxa5 Ba6 30.Nb3 Kf8 31.Kf1 Ke7 32.Ke2 Ne4 33.Bxe4 dxe4 34.
Kd2 Nb6 35.Nc5 Bxb5 36.axb5 f5 37.Kc3 Kd6 38.Kd4 Nc8 39.Na4 Ne7 40.Nb6 h5 
41.Nc4+ 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.18"]
[Round "3"]
[White "Timman, Jan"]
[Black "Van Wijgerden, Cornelis"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "113"]
[ECO "B09"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 6.Bb5+ Bd7 7.e5 Ng4 8.e6 Bxb5 
9.exf7+ Kd7 10.Nxb5 Qa5+ 11.Nc3 cxd4 12.Nxd4 Bxd4 13.Qxd4 Nc6 14.Qc4 Qb6 
15.Qe2 h5 16.Bd2 Nd4 17.Qd3 Nf5 18.Ne4 Rac8 19.O-O-O Nge3 20.Bxe3 Nxe3 21.
Nc3 Nxd1 22.Rxd1 Rhf8 23.Qh3+ e6 24.Re1 d5 25.Nxd5 Qc6 26.Nb4 Qc4 27.Qd3+ 
Ke7 28.Qxc4 Rxc4 29.Nd3 Rfc8 30.c3 Ra4 31.Ne5 Rxa2 32.Re3 Ra5 33.Rg3 Rxe5 
34.fxe5 Kxf7 35.Rf3+ Kg7 36.Rf6 Rc6 37.Kd2 a5 38.b3 b5 39.Kd3 a4 40.bxa4 
bxa4 41.c4 a3 42.Rf2 Ra6 43.Ra2 Ra5 44.Kd4 Kf7 45.c5 Ra4+ 46.Kc3 Re4 47.
Rxa3 Rxe5 48.Kc4 Re2 49.Rf3+ Ke7 50.Rg3 Rc2+ 51.Kb4 Kf6 52.Rc3 Rb2+ 53.Ka3
Rb8 54.h4 e5 55.Rb3 Re8 56.Kb2 Rc8 57.Rb5 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.18"]
[Round "3"]
[White "Van der Vliet, Fredrik"]
[Black "Timmerman, Gert Jan"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[BlackElo "2285"]
[EventDate "1983.04.16"]
[PlyCount "114"]
[ECO "A39"]

1.c4 c5 2.Nf3 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.d4 cxd4 7.Nxd4 Nc6 8.Nc3 
Nxd4 9.Qxd4 d6 10.Qd3 Bf5 11.e4 Be6 12.b3 Qa5 13.Bd2 Qh5 14.f3 Rac8 15.
Rac1 a6 16.Rfd1 Bh6 17.Bxh6 Qxh6 18.Rc2 Qh5 19.Rdc1 Qa5 20.Kh1 Rc7 21.Bf1 
Rfc8 22.Be2 Bd7 23.Nd1 b5 24.Ne3 b4 25.Qd2 Qb6 26.Nd5 Nxd5 27.exd5 a5 28.
Re1 Ra8 29.Bd3 Bc8 30.Re4 Bf5 31.Rh4 Bxd3 32.Qxd3 a4 33.Rd4 axb3 34.axb3 
Ra1+ 35.Kg2 Rca7 36.Rd2 Re1 37.Re4 Qg1+ 38.Kh3 Raa1 39.Rg2 Qh1 40.Ree2 Qf1
41.Rd2 Rac1 42.Qxf1 Rxf1 43.Rge2 Kf8 44.Kg2 Rfd1 45.Ra2 Ra1 46.Rxa1 Rxa1 
47.g4 Rb1 48.Re3 Ke8 49.f4 Kd7 50.f5 Rb2+ 51.Kg3 g5 52.h4 h6 53.hxg5 hxg5 
54.Kf3 Rh2 55.Kg3 Rb2 56.Kf3 Rh2 57.Kg3 Rb2 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.18"]
[Round "3"]
[White "Van der Wiel, John"]
[Black "Bohm, Hans"]
[Result "1-0"]
[WhiteElo "2530"]
[BlackElo "2380"]
[EventDate "1983.04.16"]
[PlyCount "99"]
[ECO "C03"]

1.e4 e6 2.d4 d5 3.Nd2 Be7 4.Ngf3 Nf6 5.e5 Nfd7 6.c4 dxc4 7.Nxc4 Nb6 8.h4 
h6 9.Rh3 Nc6 10.a3 Nd5 11.Qc2 Qd7 12.Rg3 Bf8 13.Ne3 Nce7 14.h5 Qc6 15.
Qxc6+ Nxc6 16.Nxd5 exd5 17.Bd3 Nd8 18.Nh4 b6 19.Nf5 Ne6 20.b4 c6 21.Bd2 
Bd7 22.Rb1 O-O-O 23.Be3 Kb7 24.f4 Ra8 25.Nd6+ Bxd6 26.exd6 f6 27.Kf2 Rhf8 
28.Bf5 Rf7 29.Bg6 Rff8 30.Bf5 Rf7 31.Bg6 Rff8 32.f5 Ng5 33.Bxg5 fxg5 34.
Re1 Bxf5 35.Re7+ Ka6 36.Rf3 Be4 37.Rxf8 Rxf8+ 38.Ke3 Rd8 39.d7 Bxg2 40.Bf5
Kb7 41.Rxg7 Kc7 42.Rh7 Rf8 43.Bg4 Be4 44.Rxh6 Bf5 45.Bxf5 Rxf5 46.Rh7 g4 
47.h6 g3 48.Rg7 g2 49.h7 Rh5 50.Kf2 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.19"]
[Round "4"]
[White "Kuijpers, Franciscus"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2500"]
[EventDate "1983.04.16"]
[PlyCount "82"]
[ECO "C12"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Be3 Ne4 7.Qg4 g6 8.a3 Bxc3+ 
9.bxc3 Nxc3 10.Bd3 Nc6 11.h4 Bd7 12.h5 g5 13.Nh3 Qe7 14.f4 gxf4 15.Bf2 Qf8
16.Qxf4 O-O-O 17.Bh4 Re8 18.Nf2 Rg8 19.O-O Ne7 20.Bf6 Nf5 21.Qd2 Ne4 22.
Nxe4 dxe4 23.Bxe4 Ng3 24.Bf3 Nxf1 25.Kxf1 Bc6 26.Kf2 Bxf3 27.Kxf3 Kb8 28.
g4 Rc8 29.c4 Qe8 30.Qxh6 Qc6+ 31.Kg3 Qxc4 32.Qe3 Qc2 33.Rc1 Qf5 34.g5 c6 
35.h6 Rc7 36.Rh1 Qh7 37.Kf4 Qf5+ 38.Kg3 Qh7 39.Rh4 Rd7 40.Qe4 Rg6 41.Kf4 
Rd5 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.19"]
[Round "4"]
[White "Ligterink, Gert"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2605"]
[EventDate "1983.04.16"]
[PlyCount "72"]
[ECO "E16"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 a5 5.g3 b6 6.Bg2 Bb7 7.O-O O-O 8.Bf4 Be7
9.Nc3 Ne4 10.Na4 Na6 11.Rc1 f5 12.Nd2 Nxd2 13.Qxd2 Bxg2 14.Kxg2 d5 15.Qc2 
Qd7 16.cxd5 Qxd5+ 17.Kg1 Qxd4 18.Qb3 Nc5 19.Nxc5 Bxc5 20.Qxe6+ Kh8 21.Be5 
Qa4 22.Qh6 Rf7 23.a3 Re8 24.Qf4 Qb5 25.e3 Kg8 26.Bc3 Bd6 27.Qf3 Be5 28.
Bxe5 Qxe5 29.b4 axb4 30.axb4 Qe4 31.Qxe4 Rxe4 32.Rfd1 h5 33.Rd8+ Kh7 34.
Rc8 Rxb4 35.R1xc7 Rxc7 36.Rxc7 h4 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.19"]
[Round "4"]
[White "Timmerman, Gert Jan"]
[Black "Langeweg, Christian"]
[Result "0-1"]
[WhiteElo "2285"]
[BlackElo "2395"]
[EventDate "1983.04.16"]
[PlyCount "74"]
[ECO "C47"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nd5 Be7 6.Nxd4 Nxd5 7.exd5 Nxd4 8.
Qxd4 O-O 9.Be3 Bf6 10.Qb4 a5 11.Qa3 d6 12.O-O-O Bd7 13.Be2 Re8 14.Qd3 Qe7 
15.Bf3 Qe5 16.c3 Bg5 17.Bxg5 Qxg5+ 18.Qd2 Qh4 19.Qd4 Qxd4 20.Rxd4 Re5 21.
Kd2 Kf8 22.Re1 Rxe1 23.Kxe1 Re8+ 24.Kd2 Bb5 25.Re4 Re5 26.Rxe5 dxe5 27.b3 
b6 28.c4 Bd7 29.a3 Ke7 30.Kc3 Kd6 31.b4 axb4+ 32.axb4 f5 33.Be2 b5 34.Bd1 
bxc4 35.Kxc4 Bc8 36.Bc2 g6 37.Bb3 Bb7 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.19"]
[Round "4"]
[White "Van Scheltinga, Theodore"]
[Black "Van der Wiel, John"]
[Result "0-1"]
[WhiteElo "2325"]
[BlackElo "2530"]
[EventDate "1983.04.16"]
[PlyCount "58"]
[ECO "A37"]

1.Nf3 c5 2.c4 Nc6 3.Nc3 g6 4.g3 Bg7 5.Bg2 d6 6.d3 e5 7.O-O Nge7 8.Ne1 Be6 
9.Nc2 d5 10.cxd5 Nxd5 11.Ne3 Nde7 12.Ne4 b6 13.f4 exf4 14.gxf4 f5 15.Ng5 
Bg8 16.Qa4 Qd7 17.Nc4 Rb8 18.Qc2 Rd8 19.Bd2 Nd4 20.Qd1 h6 21.Nh3 Nxe2+ 22.
Qxe2 Qxd3 23.Qxd3 Rxd3 24.Nxb6 Bxb2 25.Rab1 Bd4+ 26.Nf2 Rxd2 27.Na4 Bc4 
28.Rb8+ Kd7 29.Rxh8 Bxf1 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.19"]
[Round "4"]
[White "Van Wijgerden, Cornelis"]
[Black "Van der Vliet, Fredrik"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2370"]
[EventDate "1983.04.16"]
[PlyCount "42"]
[ECO "B22"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 e6 5.Nf3 Nf6 6.Na3 cxd4 7.Nb5 Na6 8.Qxd4 
Bc5 9.Qxd5 Nxd5 10.a3 Nac7 11.Nxc7+ Nxc7 12.Bf4 Nd5 13.Bg3 Ke7 14.O-O-O 
Rd8 15.Bc4 Bb6 16.Rhe1 Nf6 17.Rxd8 Bxd8 18.Nd4 Bd7 19.f3 Kf8 20.Rd1 a6 21.
Bb3 Rc8 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.19"]
[Round "4"]
[White "Van der Sterren, Paul"]
[Black "Bohm, Hans"]
[Result "1-0"]
[WhiteElo "2460"]
[BlackElo "2380"]
[EventDate "1983.04.16"]
[PlyCount "81"]
[ECO "A90"]

1.d4 e6 2.c4 f5 3.g3 Nf6 4.Bg2 d5 5.Nc3 c6 6.Nh3 Bd6 7.O-O O-O 8.Qd3 Na6 
9.a3 Nc7 10.Bf4 b6 11.Bxd6 Qxd6 12.Qc2 Ba6 13.cxd5 cxd5 14.Rfc1 Rfc8 15.
Nf4 Qd7 16.Qd2 Bc4 17.Nd3 Bxd3 18.Qxd3 Nce8 19.e3 Nd6 20.Bf1 g5 21.Qd1 
Nfe4 22.Nxe4 Nxe4 23.Ba6 Rf8 24.Bd3 Rac8 25.Qh5 Qg7 26.Qd1 Qf7 27.Rxc8 
Rxc8 28.Rc1 Rc7 29.Rxc7 Qxc7 30.Qh5 Qe7 31.Bxe4 fxe4 32.Qh6 a5 33.a4 g4 
34.Qh5 Qb4 35.Qe8+ Kg7 36.Qxe6 Qxa4 37.Qxg4+ Kf6 38.Qf4+ Ke6 39.Qe5+ Kd7 
40.Qxd5+ Kc7 41.Qe5+ 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.21"]
[Round "5"]
[White "Bohm, Hans"]
[Black "Van Scheltinga, Theodore"]
[Result "0-1"]
[WhiteElo "2380"]
[BlackElo "2325"]
[EventDate "1983.04.16"]
[PlyCount "84"]
[ECO "E35"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5 6.Bg5 O-O 7.a3 Bxc3+ 8.
Qxc3 h6 9.Bh4 c6 10.e3 Bf5 11.Bxf6 Qxf6 12.Nf3 Nd7 13.Be2 Qe7 14.b4 Be4 
15.O-O Bxf3 16.Bxf3 Nf6 17.a4 a5 18.Rfb1 axb4 19.Rxb4 Rfc8 20.Rab1 Rc7 21.
Qb3 Ra7 22.Qc2 g6 23.g3 Kg7 24.R1b3 Ra5 25.Qb1 Ra7 26.Bg2 h5 27.h4 Qd7 28.
Qd1 Qe7 29.f3 Ra5 30.Kh2 c5 31.dxc5 Raxc5 32.Qd4 Rc4 33.Rxc4 Rxc4 34.Qa7 
Qc7 35.e4 Rc3 36.Rxc3 Qxc3 37.e5 Qxe5 38.Qxb7 d4 39.Qb5 Qe3 40.Qg5 Qe2 41.
a5 d3 42.Qb5 Qc2 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.21"]
[Round "5"]
[White "Langeweg, Christian"]
[Black "Van Wijgerden, Cornelis"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "54"]
[ECO "A88"]

1.d4 d6 2.Nf3 f5 3.g3 Nf6 4.Bg2 g6 5.O-O Bg7 6.c4 O-O 7.Nc3 c6 8.b3 Qc7 9.
Ba3 a5 10.Rc1 Na6 11.d5 Bd7 12.Nd4 Nc5 13.Qd2 Rfc8 14.Rfd1 Qb6 15.dxc6 
bxc6 16.Bxc5 Qxc5 17.Na4 Qa7 18.c5 e5 19.Nb5 cxb5 20.Bxa8 bxa4 21.Bd5+ Kh8
22.cxd6 Rxc1 23.Qxc1 Qa6 24.Bc4 Qb6 25.bxa4 Ne4 26.e3 Bf8 27.Bb3 Qc5 
1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.21"]
[Round "5"]
[White "Ree, Hans"]
[Black "Van der Sterren, Paul"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2460"]
[EventDate "1983.04.16"]
[PlyCount "76"]
[ECO "D36"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.e3 Be7 7.Bd3 O-O 8.Qc2 
Nbd7 9.Nf3 Re8 10.O-O Nf8 11.Rab1 a5 12.a3 Ne4 13.Bxe7 Qxe7 14.Na4 Bg4 15.
Ne5 Bh5 16.Nb6 Rad8 17.Bxe4 dxe4 18.Qc3 Qg5 19.Kh1 Rd6 20.f4 exf3 21.Nxf3 
Bxf3 22.Rxf3 Rde6 23.Nc4 a4 24.Rbf1 f6 25.e4 Rxe4 26.Nd6 Re3 27.Qc4+ R8e6 
28.Rxe3 Qxe3 29.Nxb7 Qe2 30.Qc1 Re4 31.Na5 Rxd4 32.Re1 Qd2 33.Nxc6 Qxc1 
34.Rxc1 Rd2 35.h3 Nd7 36.Rc4 Ne5 37.Nxe5 fxe5 38.Rxa4 Rxb2 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.21"]
[Round "5"]
[White "Timman, Jan"]
[Black "Kuijpers, Franciscus"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2255"]
[EventDate "1983.04.16"]
[PlyCount "73"]
[ECO "A21"]

1.d4 d6 2.c4 e5 3.Nc3 exd4 4.Qxd4 Nc6 5.Qd2 g6 6.b3 Bg7 7.Bb2 Nf6 8.g3 O-O
9.Bg2 Re8 10.Nf3 Bf5 11.Nh4 Qd7 12.Nxf5 Qxf5 13.O-O Re7 14.Rad1 Rae8 15.h3
Qh5 16.e3 Ne5 17.Qe2 Qxe2 18.Nxe2 Rb8 19.Nf4 Ned7 20.Bd4 a6 21.Rc1 Ree8 
22.Rfd1 Ne4 23.Nd5 Rbc8 24.b4 Ng5 25.Bxg7 Kxg7 26.Nc3 Ne5 27.f4 Nxc4 28.
fxg5 Nxe3 29.Re1 Re5 30.Be4 Nf5 31.Bxb7 Rxe1+ 32.Rxe1 Rb8 33.Bxa6 Rxb4 34.
Kf2 Rb8 35.Bc4 c6 36.g4 Nd4 37.Rb1 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.21"]
[Round "5"]
[White "Van der Vliet, Fredrik"]
[Black "Ligterink, Gert"]
[Result "1-0"]
[WhiteElo "2370"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "45"]
[ECO "E16"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ 6.Bd2 a5 7.O-O O-O 8.Bf4 Be7
9.Nc3 Ne4 10.Rc1 d6 11.Ne1 Nxc3 12.Rxc3 Bxg2 13.Kxg2 f5 14.Qd3 Bf6 15.Rc1 
Nd7 16.e4 e5 17.dxe5 dxe5 18.Be3 f4 19.Rd1 Rf7 20.gxf4 exf4 21.Bxf4 Bxb2 
22.Bg3 Bf6 23.e5 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.21"]
[Round "5"]
[White "Van der Wiel, John"]
[Black "Timmerman, Gert Jan"]
[Result "1-0"]
[WhiteElo "2530"]
[BlackElo "2285"]
[EventDate "1983.04.16"]
[PlyCount "65"]
[ECO "C63"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 Nf6 6.Qe2 d5 7.Nxf6+ gxf6 8.
d4 Bg7 9.dxe5 O-O 10.e6 Re8 11.Be3 Bxe6 12.O-O-O a6 13.Bxc6 bxc6 14.Qd3 
Qd6 15.Qc3 Bg4 16.h3 Bh5 17.Kb1 Rab8 18.g4 Bg6 19.Bc5 f5 20.Nd4 Qf6 21.
gxf5 Qxf5 22.Qd2 Qh5 23.f3 Qe5 24.h4 Rb5 25.Qc3 Qf4 26.h5 Re3 27.Nxb5 Rxc3
28.Nxc3 Bf5 29.Rde1 h6 30.Rhg1 Qxf3 31.Re8+ Kh7 32.Re7 Bg4 33.Bd4 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.22"]
[Round "6"]
[White "Kuijpers, Franciscus"]
[Black "Van der Vliet, Fredrik"]
[Result "1-0"]
[WhiteElo "2255"]
[BlackElo "2370"]
[EventDate "1983.04.16"]
[PlyCount "153"]
[ECO "B54"]

1.e4 c5 2.Ne2 d6 3.Nbc3 e6 4.d4 cxd4 5.Nxd4 a6 6.a4 b6 7.f4 Bb7 8.Be2 Nc6 
9.Be3 Nf6 10.O-O Be7 11.Bf3 Qc7 12.g4 Nd7 13.g5 Nxd4 14.Qxd4 e5 15.Qd2 
exf4 16.Bxf4 Ne5 17.Nd5 Bxd5 18.exd5 Rc8 19.Be4 Qc4 20.Rae1 O-O 21.b3 Qc5+
22.Be3 Bxg5 23.Bxc5 Bxd2 24.Bxd6 Bxe1 25.Bxf8 Kxf8 26.Rxe1 a5 27.c4 g6 28.
Kf2 f6 29.Ke3 Ke7 30.Kd4 Kd6 31.Rf1 Nd7 32.Rb1 Ne5 33.Bd3 Ra8 34.b4 axb4 
35.Rxb4 Nd7 36.Bc2 Kc7 37.Rb1 Nc5 38.Re1 Kd6 39.Rb1 Kc7 40.Re1 Kd6 41.h4 
f5 42.h5 gxh5 43.Rb1 Ra6 44.Rh1 Nxa4 45.Rxh5 Nc5 46.Rh6+ Kc7 47.Rxh7+ Kd6 
48.Rh6+ Kc7 49.Bxf5 Ra8 50.Rc6+ Kb7 51.Ke5 Re8+ 52.Kd6 Rd8+ 53.Ke7 Rg8 54.
Rg6 Rh8 55.Rg7 Rh4 56.Bg4 Rh1 57.Kd6+ Ka6 58.Bd7 Rh6+ 59.Kc7 Ka5 60.Bb5 
Ne4 61.Re7 Nd6 62.Re6 Nxb5+ 63.cxb5 Rh7+ 64.Kc6 Rh1 65.d6 Rc1+ 66.Kb7 Rd1 
67.Kc7 Rc1+ 68.Kd8 Kxb5 69.d7 Ka5 70.Ke7 Rc7 71.Kd6 Rxd7+ 72.Kxd7 b5 73.
Kc6 b4 74.Kc5 b3 75.Re8 Ka4 76.Kc4 b2 77.Ra8# 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.22"]
[Round "6"]
[White "Ligterink, Gert"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2395"]
[EventDate "1983.04.16"]
[PlyCount "62"]
[ECO "E12"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 exd5 7.g3 Be7 8.Qa4+ c6
9.Bg2 O-O 10.O-O Nbd7 11.Rd1 Re8 12.Bf4 Nh5 13.Bd2 Bd6 14.Nh4 Ndf6 15.b4 
a6 16.Rac1 g6 17.Qc2 Qe7 18.Nf3 b5 19.Ng5 a5 20.bxa5 Bxa3 21.Ra1 Bb4 22.
Re1 Rxa5 23.Rab1 Bxc3 24.Bxc3 Ra4 25.e4 Qd8 26.exd5 Rxe1+ 27.Rxe1 Nxd5 28.
Bxd5 cxd5 29.Qd2 Bc8 30.Bb4 h6 31.Nf3 Be6 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.22"]
[Round "6"]
[White "Ree, Hans"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2605"]
[EventDate "1983.04.16"]
[PlyCount "49"]
[ECO "E11"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 c5 5.a3 Bxd2+ 6.Bxd2 cxd4 7.Nxd4 Nc6 8.
Bc3 O-O 9.e3 Ne4 10.Rc1 Qb6 11.Qb3 Qxb3 12.Nxb3 b6 13.Nd2 Nxc3 14.Rxc3 a5 
15.Be2 Ba6 16.Ne4 Ne7 17.Nd6 Nc8 18.Rd3 Nxd6 19.Rxd6 Rfc8 20.Rxd7 Bxc4 21.
Bxc4 Rxc4 22.Ke2 Rc2+ 23.Rd2 Rac8 24.Rd1 Kf8 25.Rxc2 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.22"]
[Round "6"]
[White "Timmerman, Gert Jan"]
[Black "Bohm, Hans"]
[Result "0-1"]
[WhiteElo "2285"]
[BlackElo "2380"]
[EventDate "1983.04.16"]
[PlyCount "76"]
[ECO "C15"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 Nf6 5.a3 Be7 6.e5 Nfd7 7.f4 g6 8.Be3 h5 9.
Qd2 b6 10.g3 Nc6 11.Bg2 Na5 12.b3 Ba6 13.O-O c6 14.h3 Qc7 15.Rf2 O-O-O 16.
Nc1 Kb8 17.Nd3 c5 18.Bf1 cxd4 19.Bxd4 Nc6 20.Ne2 Nc5 21.Bxc5 Bxc5 22.Nxc5 
bxc5 23.b4 Bxe2 24.Bxe2 c4 25.c3 Ne7 26.Kh2 Nf5 27.a4 d4 28.a5 Rd7 29.b5 
Qc5 30.Rff1 h4 31.g4 Ng3 32.Rf3 Rhd8 33.Rxg3 hxg3+ 34.Kxg3 dxc3 35.Qe1 g5 
36.Bf3 Rd3 37.fxg5 Re3 38.Qf2 Rdd3 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.22"]
[Round "6"]
[White "Van Wijgerden, Cornelis"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2530"]
[EventDate "1983.04.16"]
[PlyCount "99"]
[ECO "B22"]

1.e4 c5 2.c3 d6 3.d4 Nf6 4.dxc5 Nc6 5.Bd3 dxc5 6.Qe2 Ne5 7.Bc2 c4 8.Nf3 
Nd3+ 9.Bxd3 Qxd3 10.Nbd2 Qxe2+ 11.Kxe2 Bg4 12.e5 Nd7 13.Nxc4 Rc8 14.b3 b5 
15.Na3 Rc5 16.e6 fxe6 17.Be3 Re5 18.h3 Bxf3+ 19.Kxf3 a6 20.g4 Rd5 21.Nc2 
g6 22.a4 Bg7 23.axb5 Rxb5 24.b4 O-O+ 25.Kg2 Bxc3 26.Rxa6 Bxb4 27.Rb1 Rfb8 
28.Ra7 Nf6 29.Rxb4 Rxb4 30.Nxb4 Rxb4 31.Rxe7 Nd5 32.Rxe6 Nf4+ 33.Bxf4 Rxf4
34.Re7 Ra4 35.g5 Rh4 36.Kg3 Rh5 37.f4 h6 38.Kg4 hxg5 39.fxg5 Kf8 40.Ra7 
Kg8 41.Ra3 Kg7 42.Rb3 Kf7 43.Rd3 Kg7 44.h4 Kf7 45.Rd7+ Kg8 46.Kg3 Kf8 47.
Rd4 Kf7 48.Kg4 Kg7 49.Kf3 Kf7 50.Ke3 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.22"]
[Round "6"]
[White "Van der Sterren, Paul"]
[Black "Van Scheltinga, Theodore"]
[Result "1/2-1/2"]
[WhiteElo "2460"]
[BlackElo "2325"]
[EventDate "1983.04.16"]
[PlyCount "91"]
[ECO "E11"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 Nc6 6.Bg2 Bxd2+ 7.Nbxd2 d6 8.
O-O e5 9.d5 Nb8 10.e4 a5 11.Qc2 b6 12.Qc3 O-O 13.Ne1 Nbd7 14.Nd3 Nc5 15.
Nxc5 bxc5 16.f4 Re8 17.Rae1 a4 18.Nf3 Nh5 19.fxe5 dxe5 20.Re3 Bg4 21.Ne1 
Nf6 22.Nd3 Nd7 23.Ree1 Nb6 24.h3 Bc8 25.Rc1 f6 26.h4 Qd6 27.b4 axb3 28.
axb3 Bg4 29.Qb2 h5 30.Ra1 Nd7 31.Rxa8 Rxa8 32.Ra1 Rxa1+ 33.Qxa1 Qb6 34.Qa4
Kf8 35.Kh2 Ke7 36.Bh3 Bxh3 37.Kxh3 g5 38.hxg5 fxg5 39.Qa2 Qf6 40.Qe2 g4+ 
41.Kg2 Qg5 42.Qf2 Qf6 43.Qe3 Kd8 44.Kg1 Kc8 45.Kh2 Qf1 46.Nc1 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.23"]
[Round "7"]
[White "Bohm, Hans"]
[Black "Van Wijgerden, Cornelis"]
[Result "1/2-1/2"]
[WhiteElo "2380"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "88"]
[ECO "A88"]

1.d4 d6 2.Nf3 g6 3.g3 Bg7 4.Bg2 f5 5.O-O Nf6 6.c4 O-O 7.Nc3 c6 8.b3 a5 9.
Ba3 Na6 10.Rc1 Nc7 11.Qd3 Rb8 12.d5 c5 13.Bb2 Ne4 14.Ba1 Nxc3 15.Bxc3 Bxc3
16.Rxc3 b5 17.Qe3 bxc4 18.bxc4 Bd7 19.Qh6 Rf7 20.Ng5 Rg7 21.e4 Rb2 22.a3 
Qf8 23.Rf3 Qf6 24.Bh3 Ne8 25.Rf4 Qe5 26.Nf3 Qf6 27.Ng5 Qe5 28.exf5 gxf5 
29.Nf3 Qf6 30.Qxf6 exf6 31.Re1 Kf8 32.Bxf5 Bxf5 33.Rxf5 Rb3 34.Re3 Rxe3 
35.fxe3 Re7 36.Kf2 Rb7 37.e4 Rb2+ 38.Ke1 Rb3 39.a4 Ra3 40.Nd2 Rxa4 41.Ke2 
Ra1 42.Rf1 Rxf1 43.Nxf1 Nc7 44.Kd3 Na8 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.23"]
[Round "7"]
[White "Langeweg, Christian"]
[Black "Kuijpers, Franciscus"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2255"]
[EventDate "1983.04.16"]
[PlyCount "29"]
[ECO "D43"]

1.d4 Nf6 2.c4 c6 3.Nc3 d5 4.Nf3 e6 5.Bg5 h6 6.Bxf6 Qxf6 7.Qb3 dxc4 8.Qxc4 
Nd7 9.Rd1 g6 10.g3 Bg7 11.Bh3 O-O 12.O-O Qe7 13.Rd2 Nb6 14.Qb3 e5 15.Bxc8 
1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.23"]
[Round "7"]
[White "Timman, Jan"]
[Black "Van der Sterren, Paul"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2460"]
[EventDate "1983.04.16"]
[PlyCount "123"]
[ECO "C42"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 
Bf5 9.c4 O-O 10.Nc3 Nxc3 11.bxc3 Bxd3 12.Qxd3 dxc4 13.Qxc4 Bd6 14.Rb1 Re8 
15.Be3 Qf6 16.Qa4 b6 17.Bg5 Qg6 18.g3 Ne7 19.Bxe7 Rxe7 20.Kg2 h6 21.Rxe7 
Bxe7 22.Re1 Qd6 23.Qa6 Bf8 24.Qb7 Rd8 25.Ne5 Qd5+ 26.Qxd5 Rxd5 27.Nc6 g6 
28.Re7 Ra5 29.Rxc7 Rxa2 30.Nxa7 Rb2 31.c4 Bb4 32.Rc6 Be1 33.Rf6 Kg7 34.Rf3
Rc2 35.Nb5 Rxc4 36.Nd6 Rxd4 37.Rxf7+ Kg8 38.Rf6 Kh7 39.Re6 Bb4 40.Ne4 Kg7 
41.Kf3 Bc5 42.g4 Rd7 43.h4 Re7 44.Rc6 Rf7+ 45.Kg3 Bd4 46.f4 Bc5 47.h5 gxh5
48.gxh5 Be3 49.Rg6+ Kf8 50.Nf6 Rg7 51.Nd5 Bd4 52.Kf3 Rxg6 53.hxg6 Kg7 54.
Ke4 Bc5 55.f5 h5 56.Nf4 h4 57.Ne6+ Kf6 58.g7 Kf7 59.f6 h3 60.Ng5+ Kg8 61.
Kf5 Bd4 62.Nxh3 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.23"]
[Round "7"]
[White "Van Scheltinga, Theodore"]
[Black "Timmerman, Gert Jan"]
[Result "0-1"]
[WhiteElo "2325"]
[BlackElo "2285"]
[EventDate "1983.04.16"]
[PlyCount "56"]
[ECO "A93"]

1.Nf3 f5 2.d4 Nf6 3.g3 e6 4.Bg2 d5 5.O-O Be7 6.c4 O-O 7.b3 b6 8.Ba3 Bxa3 
9.Nxa3 Qe7 10.Qc1 Bb7 11.Qb2 Nbd7 12.b4 Ne4 13.Rac1 Rfc8 14.c5 c6 15.Nc2 
Ba6 16.Ne3 bxc5 17.bxc5 Rcb8 18.Qc2 Qd8 19.Ne5 Nxe5 20.dxe5 Qa5 21.Bxe4 
fxe4 22.Rb1 d4 23.Nc4 Qxc5 24.Rbc1 Rb4 25.Nd6 Qxc2 26.Rxc2 d3 27.Rxc6 dxe2
28.Rxa6 Rd4 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.23"]
[Round "7"]
[White "Van der Vliet, Fredrik"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2370"]
[BlackElo "2500"]
[EventDate "1983.04.16"]
[PlyCount "64"]
[ECO "A25"]

1.c4 e5 2.Nc3 Nc6 3.e3 g6 4.d4 d6 5.dxe5 dxe5 6.Qxd8+ Nxd8 7.b3 Bg7 8.Ba3 
Ne6 9.O-O-O Bd7 10.Be2 f5 11.Bb2 Nh6 12.Nf3 O-O-O 13.h3 Nf7 14.Rhg1 h5 15.
Nd5 Rde8 16.g4 hxg4 17.hxg4 c6 18.gxf5 gxf5 19.Nb4 Reg8 20.Kb1 e4 21.Bxg7 
Rxg7 22.Rxg7 Nxg7 23.Ng1 Ne5 24.f4 Ng4 25.Nc2 Rh2 26.Kb2 Nh5 27.Kc3 Nf2 
28.Re1 Ng3 29.Nd4 c5 30.Nc2 Rg2 31.Kd2 Nd3 32.Rd1 Be8 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.23"]
[Round "7"]
[White "Van der Wiel, John"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "78"]
[ECO "B82"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be3 Nf6 7.f4 e5 8.Nde2 
Be7 9.Qd2 O-O 10.h3 b5 11.Ng3 b4 12.Nd5 Nxd5 13.exd5 exf4 14.Bxf4 Ne5 15.
O-O-O a5 16.Kb1 Rb8 17.Bxe5 dxe5 18.d6 Bg5 19.Qd3 Be6 20.h4 Bf4 21.Nf5 Qd7
22.Ne7+ Kh8 23.g3 Bh6 24.Qe4 Rb6 25.Qxe5 Rd8 26.Be2 Rxd6 27.Rxd6 Qxd6 28.
Qxd6 Rxd6 29.g4 g6 30.Rd1 Rxd1+ 31.Bxd1 Be3 32.Nc6 Bb6 33.c3 bxc3 34.bxc3 
f5 35.gxf5 gxf5 36.Nd4 Bd7 37.Kc2 Kg7 38.Kd3 Kf6 39.Nf3 Bc6 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.25"]
[Round "8"]
[White "Kuijpers, Franciscus"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2530"]
[EventDate "1983.04.16"]
[PlyCount "99"]
[ECO "D01"]

1.d4 Nf6 2.Nc3 d5 3.Bg5 c5 4.Bxf6 gxf6 5.e3 Nc6 6.Qh5 cxd4 7.exd4 e6 8.
O-O-O Bd7 9.Nge2 Ne7 10.g4 Qc7 11.f4 b5 12.f5 b4 13.fxe6 Bxe6 14.Na4 Rc8 
15.Nc5 Ng6 16.Kb1 Bxc5 17.dxc5 Qe5 18.Nd4 Qxh5 19.gxh5 Ne5 20.Bb5+ Ke7 21.
c6 Rcg8 22.Rhf1 Rg5 23.Ba6 Bc8 24.Bxc8 Rxc8 25.Nf5+ Ke6 26.Nd4+ Ke7 27.h4 
Rxh5 28.Nf5+ Kf8 29.Rxd5 Nxc6 30.Rd6 Ne5 31.Rxf6 Rc6 32.Rd1 Rc8 33.Rd5 Re8
34.b3 a5 35.a3 bxa3 36.Ka2 Ng4 37.Rfd6 f6 38.Rxa5 Re5 39.Rd8+ Kf7 40.Ra7+ 
Kg6 41.Nd4 Rh6 42.b4 Ne3 43.Rxa3 Rd5 44.Raa8 Rxh4 45.c3 Nd1 46.Kb3 Nxc3 
47.Kxc3 Rhxd4 48.Rxd5 Rxd5 49.Kc4 Rd1 50.b5 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.25"]
[Round "8"]
[White "Ligterink, Gert"]
[Black "Bohm, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2380"]
[EventDate "1983.04.16"]
[PlyCount "128"]
[ECO "C15"]

1.d4 e6 2.e4 d5 3.Nc3 Bb4 4.Ne2 Nf6 5.e5 Nfd7 6.a3 Be7 7.f4 g6 8.g4 h5 9.
f5 hxg4 10.fxg6 fxg6 11.Ng3 c5 12.Qxg4 Nf8 13.Bb5+ Bd7 14.O-O Qb6 15.Bd3 
cxd4 16.Nce2 Nc6 17.Bxg6+ Nxg6 18.Qxg6+ Kd8 19.Nf4 d3+ 20.Kh1 Qd4 21.c3 
Qxe5 22.Nxd3 Qd6 23.Qg7 Kc7 24.Bf4 Rag8 25.Bxd6+ Bxd6 26.Rf7 Rxg7 27.Rxg7 
Ne5 28.Nxe5 Bxe5 29.Rg5 Bf4 30.Rh5 Rg8 31.Rf1 e5 32.Rh7 Kd6 33.Kg2 Bc6 34.
Kf2 a5 35.Nf5+ Kc5 36.Ne7 Rf8 37.Nxc6 bxc6 38.Ke1 Kc4 39.Kd1 Rg8 40.Rf2 
Be3 41.Re2 Kd3 42.Rh3 d4 43.cxd4 exd4 44.Rd2+ Ke4 45.Rh4+ Kd5 46.Re2 c5 
47.Rxe3 dxe3 48.Ke2 Rg2+ 49.Kxe3 Rxb2 50.Ra4 Rxh2 51.Kd3 c4+ 52.Kc3 Rh3+ 
53.Kc2 Kd4 54.Rxa5 Rh2+ 55.Kb1 Kc3 56.Rg5 Kb3 57.Rb5+ Kc3 58.Rg5 Rh1+ 59.
Ka2 Kc2 60.Rg2+ Kc1 61.a4 Rh3 62.a5 Rd3 63.a6 Rd6 64.Ka3 Rxa6+ 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.25"]
[Round "8"]
[White "Ree, Hans"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2395"]
[EventDate "1983.04.16"]
[PlyCount "32"]
[ECO "E43"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.e3 Bb4 6.Bd3 O-O 7.O-O c5 8.Na4 cxd4
9.exd4 Re8 10.c5 bxc5 11.a3 c4 12.Bxh7+ Nxh7 13.axb4 Bxf3 14.Qxf3 Nc6 15.
d5 Nxb4 16.dxe6 dxe6 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.25"]
[Round "8"]
[White "Timman, Jan"]
[Black "Van der Vliet, Fredrik"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2370"]
[EventDate "1983.04.16"]
[PlyCount "79"]
[ECO "E52"]

1.Nf3 Nf6 2.c4 e6 3.d4 b6 4.Nc3 Bb4 5.e3 Bb7 6.Bd3 O-O 7.O-O d5 8.cxd5 
exd5 9.a3 Bd6 10.b4 Nbd7 11.Qb3 c6 12.Re1 Re8 13.Bb2 Rb8 14.Qc2 Rc8 15.
Rad1 a6 16.Bf5 Rc7 17.Na4 h6 18.Ne5 b5 19.Nxd7 Nxd7 20.Nc5 Nxc5 21.dxc5 
Be5 22.Bxe5 Rxe5 23.e4 Qe8 24.Qc3 Ree7 25.exd5 cxd5 26.Kf1 Bc6 27.h4 g6 
28.Qg3 Ra7 29.h5 g5 30.Bc2 Rxe1+ 31.Rxe1 Re7 32.Rxe7 Qxe7 33.Qc3 Qe6 34.
Qd4 Qe7 35.Bf5 Bb7 36.f3 f6 37.f4 gxf4 38.Qxf4 Qe5 39.Qxe5 fxe5 40.Bd7 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.25"]
[Round "8"]
[White "Van Wijgerden, Cornelis"]
[Black "Van Scheltinga, Theodore"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2325"]
[EventDate "1983.04.16"]
[PlyCount "69"]
[ECO "B22"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 Nc6 6.Bc4 Nb6 7.Bb3 d5 8.Bg5 
Bf5 9.Ne2 h6 10.Bh4 Qd7 11.Nbc3 e6 12.Ng3 Bg6 13.O-O Rc8 14.Kh1 Na5 15.f4 
Nac4 16.Qe2 Bb4 17.Rf3 O-O 18.Raf1 a5 19.f5 exf5 20.Nxf5 Bxf5 21.Rxf5 Nxb2
22.Ne4 dxe4 23.Rxf7 Rxf7 24.Bxf7+ Kh8 25.Qxb2 Qg4 26.Bg3 e3 27.a3 Na4 28.
Qb3 e2 29.Rg1 Qxd4 30.axb4 Nb2 31.Bh5 a4 32.Qe6 Qxg1+ 33.Kxg1 Rc1+ 34.Be1 
Rxe1+ 35.Kf2 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.25"]
[Round "8"]
[White "Van der Sterren, Paul"]
[Black "Timmerman, Gert Jan"]
[Result "1-0"]
[WhiteElo "2460"]
[BlackElo "2285"]
[EventDate "1983.04.16"]
[PlyCount "81"]
[ECO "C63"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 Nf6 6.Qe2 d5 7.Nxf6+ gxf6 8.
d4 Bg7 9.dxe5 O-O 10.e6 Re8 11.O-O Bxe6 12.Bxc6 bxc6 13.Nd4 Bd7 14.Qf3 f5 
15.Nb3 Qe7 16.c3 Kh8 17.Bf4 Qe2 18.Qxe2 Rxe2 19.Nc5 Be8 20.Nd3 c5 21.Rfe1 
Rxe1+ 22.Rxe1 c4 23.Nc5 c6 24.Be5 Bxe5 25.Rxe5 Bg6 26.f3 Rb8 27.Re2 Rb5 
28.Ne6 Rb7 29.Kf2 Kg8 30.Kg3 Re7 31.Nd4 Rxe2 32.Nxe2 Kf7 33.Nd4 c5 34.Nc6 
a6 35.Nd8+ Kf6 36.Kf4 d4 37.Nb7 d3 38.Ke3 f4+ 39.Kd2 Ke5 40.Nxc5 a5 41.b3 
1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.26"]
[Round "9"]
[White "Bohm, Hans"]
[Black "Kuijpers, Franciscus"]
[Result "1/2-1/2"]
[WhiteElo "2380"]
[BlackElo "2255"]
[EventDate "1983.04.16"]
[PlyCount "91"]
[ECO "D13"]

1.d4 Nf6 2.c4 c6 3.Nf3 d5 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 e6 7.e3 Bd6 8.Bd3 
O-O 9.O-O Bxf4 10.exf4 b6 11.Rc1 Bb7 12.Qe2 Rc8 13.Rfd1 Qe7 14.Bb1 Rfd8 
15.Ne5 g6 16.g3 Na5 17.Bd3 Nc4 18.b3 Nd6 19.f3 Nf5 20.Bxf5 exf5 21.Ng4 Ne4
22.Nf2 Qb4 23.fxe4 Rxc3 24.Rxc3 Qxc3 25.exf5 gxf5 26.Qe7 Qc8 27.Nd3 Rd7 
28.Qg5+ Kf8 29.Qh6+ Kg8 30.Qg5+ Kf8 31.Re1 Rc7 32.Qh6+ Kg8 33.Qg6+ Kf8 34.
Qf6 Kg8 35.Ne5 Ba6 36.Qg5+ Kf8 37.Qh6+ Kg8 38.Qg5+ Kf8 39.Qf6 Kg8 40.Kg2 
Rc2+ 41.Kh3 Qe6 42.Qg5+ Kf8 43.Nd3 Qd6 44.Ne5 Qe6 45.Qd8+ Kg7 46.Qg5+ 
1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.26"]
[Round "9"]
[White "Langeweg, Christian"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2605"]
[EventDate "1983.04.16"]
[PlyCount "81"]
[ECO "E11"]

1.d4 e6 2.c4 Bb4+ 3.Bd2 a5 4.Nf3 Nf6 5.Nc3 b6 6.e3 Bb7 7.Bd3 O-O 8.Qc2 d5 
9.cxd5 exd5 10.O-O Na6 11.a3 Bd6 12.e4 dxe4 13.Nxe4 Nxe4 14.Bxe4 Bxe4 15.
Qxe4 Re8 16.Qc2 h6 17.Rfe1 Qd7 18.Qc4 b5 19.Qc2 a4 20.h3 Re6 21.Rad1 Rf6 
22.Ne5 Bxe5 23.dxe5 Qc6 24.Bc3 Rf4 25.e6 Re8 26.Qd2 Rf5 27.g4 Rf3 28.Qd4 
Rf6 29.Qd7 Rexe6 30.Qd8+ Kh7 31.Bxf6 Rxf6 32.Qd3+ g6 33.Qd4 Qb6 34.Qxb6 
Rxb6 35.Rd7 Rf6 36.Re8 Kg7 37.Kg2 c6 38.h4 Nc5 39.Rdd8 Rf4 40.Kg3 g5 41.
hxg5 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.26"]
[Round "9"]
[White "Timmerman, Gert Jan"]
[Black "Van Wijgerden, Cornelis"]
[Result "1/2-1/2"]
[WhiteElo "2285"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "151"]
[ECO "B07"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Bc4 Nf6 5.Qe2 Nc6 6.e5 Ng4 7.e6 d5 8.Bxd5 Nxd4
9.Qxg4 Nxc2+ 10.Ke2 Nxa1 11.Nf3 c6 12.Bc4 fxe6 13.Qe4 Qb6 14.Rd1 Rf8 15.
Kf1 e5 16.Qh4 Bf5 17.Qxh7 Qb4 18.Bg8 Bc2 19.Qxg7 Bxd1 20.Qxg6+ Kd7 21.Be6+
Kc7 22.Nxd1 Rf6 23.Qg4 Qd6 24.Ng5 Nc2 25.Bc4 Qb4 26.Nc3 Nd4 27.Bd3 Rd8 28.
Qg3 Qa5 29.Nge4 Rff8 30.Nd2 Rg8 31.Qh4 Qb4 32.Qe4 Qc5 33.Nc4 b5 34.Qxe5+ 
Qxe5 35.Nxe5 Ne6 36.Be2 b4 37.Ne4 Rd5 38.Nf3 Rg4 39.Ng3 Rc5 40.Be3 Rc2 41.
h3 Rg8 42.Ne1 Rxb2 43.Bc4 Kd7 44.Ne4 Ra8 45.Nd3 Rb1+ 46.Ke2 Nf8 47.Nec5+ 
Kc7 48.Na6+ Kb7 49.Naxb4 Ng6 50.g3 a5 51.Nc5+ Kc7 52.Nbd3 a4 53.h4 Rh1 54.
Bf7 Nf8 55.h5 Nh7 56.Bf4+ Kb6 57.g4 Nf6 58.Be6 Nd5 59.Bd2 Ra1 60.Nd7+ Kc7 
61.Nc1 Kd6 62.Bxd5 cxd5 63.Nb6 Ra6 64.Nc8+ Ke6 65.Nd3 Rc6 66.Na7 Rc4 67.h6
Rxg4 68.Kf3 Rh4 69.Nb4 Rd1 70.Kg3 Rhh1 71.Bf4 Kf5 72.Nac6 Rdg1+ 73.Kf3 
Rh3+ 74.Bg3 e6 75.Ne7+ Kg5 76.Nd3 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.26"]
[Round "9"]
[White "Van Scheltinga, Theodore"]
[Black "Ligterink, Gert"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "91"]
[ECO "A30"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 b6 4.g3 Bb7 5.Bg2 e6 6.O-O Be7 7.d4 cxd4 8.Qxd4 d6
9.b3 a6 10.Bb2 O-O 11.Rfe1 Nbd7 12.e4 Qc7 13.Rad1 Rad8 14.h3 Qb8 15.Qe3 b5
16.cxb5 axb5 17.Nd4 b4 18.Na4 d5 19.exd5 Bxd5 20.Nf5 exf5 21.Bxd5 Bd6 22.
Qg5 f4 23.g4 Rfe8 24.Rxe8+ Rxe8 25.Bc6 Ne5 26.Qxf4 Rc8 27.Bg2 Nd3 28.Qf5 
Nxb2 29.Nxb2 Bh2+ 30.Kh1 h6 31.Nc4 Bf4 32.h4 Re8 33.g5 hxg5 34.hxg5 Nh7 
35.g6 fxg6 36.Qxg6 Nf6 37.Bf3 Re7 38.Kg2 Ra7 39.Re1 Qd8 40.Qf5 Bb8 41.Qe6+
Rf7 42.Ne5 Bxe5 43.Rxe5 Qd3 44.Rf5 Kf8 45.Qc8+ Ne8 46.Bc6 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.26"]
[Round "9"]
[White "Van der Vliet, Fredrik"]
[Black "Van der Sterren, Paul"]
[Result "0-1"]
[WhiteElo "2370"]
[BlackElo "2460"]
[EventDate "1983.04.16"]
[PlyCount "122"]
[ECO "E04"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 dxc4 5.Bg2 a6 6.O-O b5 7.Ne5 Nd5 8.Nc3 Bb7 
9.Nxd5 exd5 10.e4 dxe4 11.Qh5 g6 12.Nxg6 fxg6 13.Qe5+ Qe7 14.Qxh8 Nd7 15.
h4 O-O-O 16.Bh3 Qf7 17.Bg5 Re8 18.Qf6 Qd5 19.Be3 Kb8 20.Qg5 Nb6 21.h5 gxh5
22.Qxd5 Bxd5 23.Bf5 Na4 24.b3 Nc3 25.Kg2 cxb3 26.axb3 Kb7 27.Rh1 Bxb3 28.
Rxh5 Bd5 29.Rxh7 b4 30.Kh3 b3 31.Bc1 Nd1 32.Bf4 Nxf2+ 33.Kg2 e3+ 34.Kg1 
Be7 35.Bxe3 Ne4 36.Bf4 Ng5 37.Rg7 Nf3+ 38.Kf2 Nxd4 39.Bg6 Ne6 40.Bxe8 Nxg7
41.Bg6 Ne6 42.Be5 Kb6 43.Bc3 Bc5+ 44.Ke2 Nd4+ 45.Kd2 Nf3+ 46.Ke2 Bd4 47.
Kd3 c5 48.Bxd4 Nxd4 49.Kc3 Nb5+ 50.Kb2 c4 51.Rc1 Kc5 52.Be8 Nd6 53.Bg6 Kb4
54.Rd1 c3+ 55.Kc1 Kc5 56.Bh7 Nc4 57.Rd3 b2+ 58.Kc2 Kb4 59.Rxd5 Ne3+ 60.Kb1
Nxd5 61.g4 Ne3 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.26"]
[Round "9"]
[White "Van der Wiel, John"]
[Black "Ree, Hans"]
[Result "1-0"]
[WhiteElo "2530"]
[BlackElo "2500"]
[EventDate "1983.04.16"]
[PlyCount "79"]
[ECO "C60"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.d4 exd4 5.Bg5 f6 6.Bh4 Bg7 7.O-O Nge7 8.Bc4 
Na5 9.Qxd4 Nec6 10.Qd5 Nxc4 11.Qxc4 d6 12.Nc3 Bg4 13.Nd5 Bxf3 14.gxf3 Ne5 
15.Qe2 c6 16.Ne3 Bh6 17.Ng2 Qe7 18.f4 Nd7 19.Rfe1 O-O-O 20.Rad1 Rhe8 21.
Qe3 Kb8 22.Qa3 Bf8 23.f3 Nb6 24.Qb3 h5 25.a4 Nc8 26.Kh1 g5 27.Bf2 Qh7 28.
Ne3 g4 29.Nf5 gxf3 30.Nd4 Qd7 31.f5 Re7 32.Qxf3 Rde8 33.Bh4 d5 34.Ne6 Nb6 
35.exd5 cxd5 36.Bxf6 Rxe6 37.fxe6 Qxa4 38.e7 Bh6 39.Qxh5 Bf4 40.Rd4 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.27"]
[Round "10"]
[White "Kuijpers, Franciscus"]
[Black "Van Scheltinga, Theodore"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2325"]
[EventDate "1983.04.16"]
[PlyCount "55"]
[ECO "B43"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be2 Bc5 7.O-O Ne7 8.Kh1 
Nbc6 9.Nb3 Ba7 10.f4 d6 11.f5 exf5 12.Bf4 Ne5 13.Bb5+ Kf8 14.Bd3 Bd7 15.
exf5 f6 16.Be4 Bc6 17.Nd4 Bxd4 18.Qxd4 Bxe4 19.Qxe4 Kf7 20.Rad1 Rac8 21.
Rf2 Qc6 22.Qe2 Rhd8 23.Ne4 Kg8 24.c3 b5 25.Nd2 Nd5 26.Nb3 Re8 27.Nd4 Qc4 
28.Bxe5 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.27"]
[Round "10"]
[White "Ligterink, Gert"]
[Black "Timmerman, Gert Jan"]
[Result "0-1"]
[WhiteElo "2440"]
[BlackElo "2285"]
[EventDate "1983.04.16"]
[PlyCount "92"]
[ECO "A84"]

1.d4 d5 2.c4 e6 3.Nc3 f5 4.Bf4 Nf6 5.e3 Be7 6.Nf3 O-O 7.Ne5 b6 8.Bd3 Ne4 
9.cxd5 exd5 10.Nxd5 Qxd5 11.Bc4 Bb4+ 12.Kf1 Ba6 13.Bxa6 Nxa6 14.Qa4 g5 15.
Bxg5 Nxg5 16.Qxa6 f4 17.Qc4 Qxc4+ 18.Nxc4 b5 19.exf4 Rxf4 20.Ne3 Rxd4 21.
Nc2 Rc4 22.Nxb4 Rxb4 23.b3 Rd4 24.Rc1 Rd2 25.h4 Ne4 26.Rh3 Rxf2+ 27.Kg1 
Rxa2 28.Rxc7 Rf8 29.Re3 Ra1+ 30.Kh2 Rf4 31.h5 h6 32.Rc6 Kg7 33.Rg6+ Kh7 
34.Rc6 Rh4+ 35.Rh3 Rxh3+ 36.Kxh3 Ng5+ 37.Kg4 Nf7 38.Rc7 Kg7 39.Kf5 a5 40.
Ra7 a4 41.bxa4 Rxa4 42.Rb7 Rd4 43.g4 Rd5+ 44.Ke4 Rg5 45.Kf4 Rc5 46.Ke4 Kf8
0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.27"]
[Round "10"]
[White "Ree, Hans"]
[Black "Bohm, Hans"]
[Result "0-1"]
[WhiteElo "2500"]
[BlackElo "2380"]
[EventDate "1983.04.16"]
[PlyCount "72"]
[ECO "A34"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nb4 6.Bc4 Nd3+ 7.Ke2 Nf4+ 8.
Kf1 Ne6 9.Ne5 g6 10.Qa4+ Bd7 11.Nxd7 Qxd7 12.Bxe6 fxe6 13.Qxd7+ Kxd7 14.d3
Bg7 15.Be3 b6 16.Ke2 Nc6 17.Rhc1 Rhf8 18.Rab1 Be5 19.h3 h5 20.Nb5 Bf4 21.
Rd1 e5 22.Bxf4 Rxf4 23.Ke3 g5 24.Nc3 Raf8 25.Rf1 g4 26.Ne2 gxh3 27.gxh3 
Rf3+ 28.Kd2 h4 29.Ng1 Rxf2+ 30.Rxf2 Rxf2+ 31.Ke3 Rg2 32.Nf3 Rg3 33.Kf2 Nd4
34.Nxe5+ Ke6 35.Nc4 Rf3+ 36.Kg2 Rxd3 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.27"]
[Round "10"]
[White "Timman, Jan"]
[Black "Van der Wiel, John"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2530"]
[EventDate "1983.04.16"]
[PlyCount "89"]
[ECO "B66"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
h6 9.Be3 Nxd4 10.Bxd4 b5 11.Qe3 b4 12.Na4 e5 13.Bb6 Qd7 14.b3 Qb7 15.Ba5 
Be7 16.f3 O-O 17.h4 Rb8 18.Qb6 d5 19.Qxb7 Bxb7 20.exd5 Nxd5 21.Bc4 Ne3 22.
Rd7 Nxc4 23.bxc4 Bd8 24.Bxd8 Rfxd8 25.Rxd8+ Rxd8 26.Nc5 Ba8 27.Rd1 Rc8 28.
Nd7 Bc6 29.Nxe5 Be8 30.Rd4 f6 31.Ng4 Bf7 32.Ne3 Rc5 33.Nd5 a5 34.Ne3 g5 
35.Kd2 Kg7 36.hxg5 hxg5 37.Rd7 f5 38.Kd3 f4 39.Kd4 Rc6 40.Nf5+ Kf6 41.Rd6+
Rxd6+ 42.Nxd6 Bg6 43.Ne4+ Ke7 44.c3 Bxe4 45.Kxe4 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.27"]
[Round "10"]
[White "Van der Sterren, Paul"]
[Black "Van Wijgerden, Cornelis"]
[Result "1-0"]
[WhiteElo "2460"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "55"]
[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 
Nh5 9.Be3 Bg4 10.Be2 f6 11.exf6 Bxf6 12.O-O Ng7 13.d5 Nf5 14.Bf2 Nb4 15.h3
Bxf3 16.Bxf3 c6 17.a3 Bxc3 18.axb4 Bxb2 19.Ra2 Bc3 20.dxc6 bxc6 21.Bxc6 
Qxd1 22.Rxd1 Rad8 23.Bd5+ Kg7 24.g4 Nd6 25.Rxa7 Nc8 26.Rb7 Rf4 27.Rd3 Be5 
28.Bg3 1-0

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.27"]
[Round "10"]
[White "Van der Vliet, Fredrik"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[BlackElo "2395"]
[EventDate "1983.04.16"]
[PlyCount "86"]
[ECO "E15"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 d5 8.O-O O-O 
9.cxd5 exd5 10.Nc3 Nbd7 11.Rc1 Re8 12.Ne5 Bb7 13.Bf4 Nf8 14.Bh3 c5 15.dxc5
bxc5 16.Na4 d4 17.Nd3 Qd5 18.f3 Qh5 19.Ndxc5 Qxh3 20.Nxb7 Ne6 21.Bd2 h5 
22.Qe1 h4 23.Qf2 hxg3 24.Qxg3 Qf5 25.Na5 Rad8 26.Nc6 Bd6 27.Qh4 Rd7 28.Rc4
Bf4 29.Rd1 g5 30.Qe1 Qh3 31.Qf2 Be3 32.Bxe3 dxe3 33.Qf1 Rxd1 34.Qxd1 Nf4 
35.Qf1 Qh4 36.Nc3 N6h5 37.Re4 Nh3+ 38.Kh1 Nf2+ 39.Kg1 Nxe4 40.Nxe4 Nf4 41.
Nf6+ Kf8 42.Nxe8 Kxe8 43.Ne5 Nh3+ 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.29"]
[Round "11"]
[White "Bohm, Hans"]
[Black "Timman, Jan"]
[Result "0-1"]
[WhiteElo "2380"]
[BlackElo "2605"]
[EventDate "1983.04.16"]
[PlyCount "110"]
[ECO "D82"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5 7.Qa4+ Qxa4 8.Nxa4 
Ne4 9.Bxb8 Bd7 10.f3 Bxa4 11.fxe4 dxc4 12.Bc7 Rc8 13.Bg3 Bxb2 14.Rb1 c3 
15.Bd3 Rxc5 16.Ne2 c2 17.Rxb2 c1=Q+ 18.Nxc1 Rxc1+ 19.Kf2 Rxh1 20.Rxb7 O-O 
21.Rxe7 Rd1 22.Rxa7 Rd2+ 23.Ke1 Rxd3 24.Rxa4 Rc8 25.Ke2 Rdd8 26.a3 Ra8 27.
Rxa8 Rxa8 28.Bd6 f6 29.Bb4 Kf7 30.Kd3 Ke6 31.h3 h5 32.Ke2 Rc8 33.Kf3 Rc4 
34.Be1 g5 35.Ba5 Ke5 36.Be1 Rxe4 37.Bc3+ Kf5 38.g4+ hxg4+ 39.hxg4+ Rxg4 
40.Bxf6 Rh4 41.Be7 Rh3+ 42.Kf2 Kg4 43.Ke2 Rh2+ 44.Kd3 Rh7 45.Bc5 Kf3 46.e4
Rd7+ 47.Kc4 Kxe4 48.a4 Rd1 49.a5 Rc1+ 50.Kb5 Kd5 51.Bb4 g4 52.a6 Ra1 53.
Kb6 g3 54.a7 Rxa7 55.Kxa7 g2 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.29"]
[Round "11"]
[White "Langeweg, Christian"]
[Black "Van der Sterren, Paul"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2460"]
[EventDate "1983.04.16"]
[PlyCount "64"]
[ECO "D58"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.Rc1 Bb7 
9.Bd3 Nbd7 10.O-O c5 11.Qe2 Ne4 12.Bg3 cxd4 13.Nxd4 Nxg3 14.hxg3 Ne5 15.
cxd5 Nxd3 16.Qxd3 exd5 17.Rfd1 Bf6 18.Rd2 Qd7 19.Rcd1 Rfd8 20.Nce2 g6 21.
Nf4 Bg7 22.Qb3 Rac8 23.Qb5 Qxb5 24.Nxb5 Rc5 25.Nd4 h5 26.f3 Rdc8 27.Kf2 
Bf6 28.Nfe2 Kg7 29.a3 a6 30.Nc3 Rc4 31.Nce2 R4c5 32.Nc3 Rc4 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.29"]
[Round "11"]
[White "Timmerman, Gert Jan"]
[Black "Kuijpers, Franciscus"]
[Result "0-1"]
[WhiteElo "2285"]
[BlackElo "2255"]
[EventDate "1983.04.16"]
[PlyCount "64"]
[ECO "B07"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bc4 c6 5.Qe2 d5 6.e5 dxc4 7.exf6 Be6 8.fxe7 
Bxe7 9.Bh6 Nd7 10.Nf3 Qa5 11.O-O-O O-O-O 12.Kb1 Rhe8 13.Ne5 Nb6 14.Qf3 Nd5
15.Bd2 Nc7 16.Bc1 f6 17.Ng4 b5 18.a3 h5 19.Ne3 Qb6 20.d5 Bf7 21.dxc6 Qc5 
22.Rd7 Be6 23.Rxd8+ Rxd8 24.Rd1 Rxd1 25.Ncxd1 a5 26.Nc3 b4 27.axb4 axb4 
28.Ne2 f5 29.Nf4 Bf7 30.g3 b3 31.Ne2 Nb5 32.c7 Qa7 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.29"]
[Round "11"]
[White "Van Scheltinga, Theodore"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2325"]
[BlackElo "2500"]
[EventDate "1983.04.16"]
[PlyCount "82"]
[ECO "E92"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 e5 7.dxe5 dxe5 8.Qxd8 
Rxd8 9.Bg5 Na6 10.Nd5 Rd6 11.Bxf6 Bxf6 12.Nxf6+ Rxf6 13.Rd1 Kg7 14.Nxe5 
Re6 15.Ng4 Rxe4 16.Ne3 Re8 17.Bf3 c6 18.O-O Be6 19.Rd2 Rad8 20.Rxd8 Rxd8 
21.Rd1 Rxd1+ 22.Bxd1 Kf6 23.a3 Ke5 24.Be2 Nc5 25.Kf1 Na4 26.b3 Nc5 27.b4 
Ne4 28.Bd3 Kd4 29.Bxe4 Kxe4 30.Ke2 Kd4 31.c5 Kc3 32.Nd1+ Kb3 33.Kd3 Kxa3 
34.Kc3 Ka2 35.Ne3 Kb1 36.h4 h6 37.g4 g5 38.hxg5 hxg5 39.f3 f6 40.Nf1 Bd5 
41.Nd2+ Ka2 0-1

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.29"]
[Round "11"]
[White "Van Wijgerden, Cornelis"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2440"]
[EventDate "1983.04.16"]
[PlyCount "31"]
[ECO "B25"]

1.e4 c5 2.Nc3 Nc6 3.Nge2 d6 4.g3 g6 5.Bg2 Bg7 6.d3 e5 7.Nd5 Nge7 8.Bg5 h6 
9.Bxe7 Nxe7 10.Nxe7 Qxe7 11.c4 Bd7 12.Nc3 Bc6 13.Bh3 h5 14.O-O Bh6 15.Qe2 
Kf8 16.Kh1 1/2-1/2

[Event "39th NED-ch"]
[Site "Hilversum NED"]
[Date "1983.04.29"]
[Round "11"]
[White "Van der Wiel, John"]
[Black "Van der Vliet, Fredrik"]
[Result "1-0"]
[WhiteElo "2530"]
[BlackElo "2370"]
[EventDate "1983.04.16"]
[PlyCount "53"]
[ECO "B96"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.e5 dxe5 
9.fxe5 Qc7 10.exf6 Qe5+ 11.Be2 Qxg5 12.Qd3 Qxf6 13.Rf1 Qe5 14.Rd1 Ra7 15.
Nf3 Qc7 16.Ng5 Qb6 17.Qh3 h5 18.Bxh5 g6 19.Nd5 Qa5+ 20.c3 Be7 21.Rxf7 gxh5
22.Nxe7 Rxe7 23.Rxe7+ Kxe7 24.Qh4 Nd7 25.Ne4+ Kf8 26.Qf4+ Ke8 27.Nd6+ 1-0
