[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.06"]
[Round "1"]
[White "Boersma, Paulus"]
[Black "De Boer, Gert Jan"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[BlackElo "2430"]
[EventDate "1986.06.06"]
[PlyCount "57"]
[ECO "A30"]

1.Nf3 Nf6 2.c4 b6 3.g3 c5 4.Bg2 Bb7 5.O-O e6 6.b3 Be7 7.Bb2 O-O 8.Nc3 d6 
9.e3 Nbd7 10.d4 a6 11.Re1 Ne4 12.d5 Nxc3 13.Bxc3 exd5 14.cxd5 Bf6 15.Rc1 
Re8 16.e4 b5 17.Bxf6 Qxf6 18.Nh4 Rac8 19.Bh3 Rc7 20.f4 Bc8 21.Nf3 c4 22.
bxc4 bxc4 23.e5 dxe5 24.d6 Rc6 25.Bxd7 Bxd7 26.Nxe5 Rxd6 27.Nxd7 Rxe1+ 28.
Qxe1 Qd4+ 29.Kh1 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.06"]
[Round "1"]
[White "Douven, Rudy"]
[Black "Kuijf, Marinus"]
[Result "0-1"]
[WhiteElo "2380"]
[BlackElo "2420"]
[EventDate "1986.06.06"]
[PlyCount "79"]
[ECO "B10"]

1.c4 c6 2.e4 d5 3.exd5 cxd5 4.cxd5 Nf6 5.Bb5+ Nbd7 6.Nc3 a6 7.Bxd7+ Qxd7 
8.Qb3 b5 9.a4 b4 10.Qxb4 e5 11.Qb3 Qg4 12.Nge2 Qxg2 13.Rg1 Qxh2 14.Qb6 Bd7
15.d4 Rc8 16.Be3 Ng4 17.dxe5 Qxe5 18.Bd4 Qb8 19.a5 Ne5 20.Bxe5 Qxe5 21.
Qxa6 Bc5 22.Qd3 O-O 23.Qg3 Qf6 24.Rd1 Rfe8 25.Rd3 g6 26.Rf3 Qe7 27.Qg5 Rb8
28.Qd2 Qd6 29.Rgg3 Bb4 30.Kf1 Bxa5 31.Qh6 Qf8 32.Qf4 Rb4 33.Qc1 Rh4 34.Kg1
Bd8 35.Nf4 Qh6 36.Kf1 Bc7 37.Ne4 Bb5+ 38.Rd3 Bxd3+ 39.Nxd3 Qxc1+ 40.Nxc1 
0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.06"]
[Round "1"]
[White "Gelpke, Peter"]
[Black "Van der Wiel, John"]
[Result "0-1"]
[WhiteElo "2385"]
[BlackElo "2555"]
[EventDate "1986.06.06"]
[PlyCount "56"]
[ECO "D45"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.b3 O-O 8.Be2 dxc4
9.bxc4 e5 10.O-O Re8 11.Bb2 Qe7 12.Rfe1 e4 13.Nd2 Nf8 14.f3 exf3 15.Bxf3 
Ng4 16.Nf1 Qg5 17.Qd2 Bf5 18.Rad1 Rad8 19.g3 Qg6 20.Qg2 Bb4 21.e4 Bc8 22.
h3 Nh6 23.g4 Ne6 24.Qf2 Ng5 25.Qg3 f5 26.e5 fxg4 27.Bxg4 Nxg4 28.hxg4 Bxg4
0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.06"]
[Round "1"]
[White "Goldstern, Filip"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2310"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "72"]
[ECO "A29"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.d3 Be7 5.Bg5 d6 6.g3 Be6 7.Bg2 O-O 8.O-O Qd7
9.Re1 h6 10.Bxf6 Bxf6 11.Nd5 Bd8 12.Nd2 Nd4 13.e3 Nf5 14.Ne4 c6 15.Ndc3 
Be7 16.b4 Rad8 17.Rc1 b6 18.b5 cxb5 19.Nxb5 d5 20.cxd5 Bxd5 21.a4 Rc8 22.
Qd2 Be6 23.Rxc8 Rxc8 24.Rc1 Rxc1+ 25.Qxc1 Qxd3 26.Nxa7 Ba3 27.Qa1 f6 28.
Nb5 Bb4 29.Nc7 Bb3 30.h4 Qc2 31.Na8 Ba5 32.Qa3 Bxa4 33.Bh3 Qb1+ 34.Kh2 
Qxe4 35.Bxf5 Qxf5 36.Qxa4 Qxf2+ 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.06"]
[Round "1"]
[White "Scheeren, Peter"]
[Black "Peelen, Piet"]
[Result "1/2-1/2"]
[WhiteElo "2455"]
[BlackElo "2400"]
[EventDate "1986.06.06"]
[PlyCount "128"]
[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.Rg1 Qc8 
15.Rg3 c6 16.f4 Bxe2 17.Kxe2 Bxc3 18.bxc3 cxd5 19.Bxb6 axb6 20.Rxd5 Qe6 
21.Ke3 Rfc8 22.f5 Qc6 23.fxg6 hxg6 24.Kf3 e6 25.Rb5 Qxc3+ 26.Qxc3 Rxc3+ 
27.Kg2 Rc6 28.Rgb3 Rxa2 29.Rxb6 Rcc2 30.Rf3 Rab2 31.Rd6 Rd2 32.Rxd2 Rxd2 
33.Rb3 Rd7 34.f4 Kf8 35.Kg3 Ke7 36.f5 exf5 37.exf5 gxf5 38.Kf4 Ke6 39.Rb6+
Kd5 40.Rb1 Ke6 41.h4 Rd4+ 42.Kf3 Rxh4 43.Rxb7 Kf6 44.Rb8 Kg7 45.Ra8 Rb4 
46.Rc8 Kg6 47.Rg8+ Kf6 48.Ra8 Rb1 49.Rc8 Rb6 50.Kf4 Re6 51.Ra8 Re4+ 52.Kf3
Re1 53.Rb8 Re4 54.Rc8 Ra4 55.Rb8 Rd4 56.Rc8 Rd6 57.Kf4 Rb6 58.Ra8 Rc6 59.
Rb8 Ra6 60.Rc8 Ra4+ 61.Kf3 f4 62.Kg4 Re4 63.Ra8 Rb4 64.Re8 Ra4 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.06"]
[Round "1"]
[White "Van der Sterren, Paul"]
[Black "Ligterink, Gert"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "57"]
[ECO "E12"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Ba6 5.Qc2 Bb7 6.Nc3 c5 7.e4 cxd4 8.Nxd4 Nc6
9.Nxc6 Bxc6 10.Bf4 Bc5 11.Be2 Bd4 12.Bd6 Bxc3+ 13.Qxc3 Bxe4 14.O-O h5 15.
f3 Bb7 16.h4 Rc8 17.b4 Rg8 18.Qe5 g6 19.Rad1 Nh7 20.Rd4 f5 21.c5 g5 22.f4 
g4 23.g3 Nf6 24.Bc4 Kf7 25.Qxf5 bxc5 26.bxc5 Bd5 27.Bxd5 exd5 28.Rxd5 Re8 
29.Be5 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.07"]
[Round "2"]
[White "Boersma, Paulus"]
[Black "Douven, Rudy"]
[Result "1-0"]
[WhiteElo "2405"]
[BlackElo "2380"]
[EventDate "1986.06.06"]
[PlyCount "87"]
[ECO "A55"]

1.Nf3 Nf6 2.c4 d6 3.d4 Nbd7 4.Nc3 c6 5.e4 e5 6.Be2 Be7 7.O-O O-O 8.Qc2 Qc7
9.Rd1 a6 10.Bd2 Re8 11.Rac1 exd4 12.Nxd4 Ne5 13.h3 Ng6 14.Be3 Bf8 15.Bf1 
h6 16.g3 Bd7 17.Bg2 Rad8 18.b4 Qb8 19.b5 axb5 20.cxb5 d5 21.exd5 cxd5 22.
Nde2 Be6 23.Bd4 Ne4 24.Nxe4 dxe4 25.a4 f5 26.Bb6 Rxd1+ 27.Qxd1 Qe5 28.Bc7 
Qb2 29.Nd4 Bc8 30.Qb3+ Qxb3 31.Nxb3 h5 32.a5 h4 33.gxh4 Nxh4 34.Bf1 Nf3+ 
35.Kg2 Be6 36.Bc4 Ba3 37.Bxe6+ Rxe6 38.Rd1 Bb4 39.b6 Nh4+ 40.Kf1 e3 41.
fxe3 Rxe3 42.a6 Rf3+ 43.Ke2 f4 44.Rd3 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.07"]
[Round "2"]
[White "De Boer, Gert Jan"]
[Black "Peelen, Piet"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2400"]
[EventDate "1986.06.06"]
[PlyCount "41"]
[ECO "B36"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 c5 4.e4 Nc6 5.d4 cxd4 6.Nxd4 Nxd4 7.Qxd4 d6 8.Be2 
Bg7 9.Bg5 O-O 10.Qd2 Be6 11.Rc1 a6 12.f3 b5 13.cxb5 axb5 14.a3 Qa5 15.Nxb5
Rfb8 16.b4 Qd8 17.Nc7 Rxa3 18.Nxe6 fxe6 19.Be3 Nd7 20.Bc4 d5 21.exd5 
1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.07"]
[Round "2"]
[White "Kuijf, Marinus"]
[Black "Van der Sterren, Paul"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "68"]
[ECO "D12"]

1.d4 d5 2.Nf3 Nf6 3.e3 Bf5 4.c4 e6 5.Nc3 c6 6.Bd3 Bxd3 7.Qxd3 Bb4 8.O-O 
O-O 9.Bd2 Bxc3 10.bxc3 Nbd7 11.Rab1 Qc7 12.Rfc1 Nb6 13.Ne5 Nfd7 14.Nxd7 
Qxd7 15.cxd5 cxd5 16.e4 dxe4 17.Qxe4 Rac8 18.Qd3 Qd5 19.Rb5 Qxa2 20.Rh5 f5
21.Re1 Nd5 22.Rh3 Rf6 23.Rg3 h6 24.h4 b5 25.Re2 Qc4 26.Qf3 a5 27.h5 a4 28.
Rg6 Nxc3 29.Bxc3 Qxc3 30.Qb7 Qc1+ 31.Kh2 Qc7+ 32.Qxc7 Rxc7 33.Rxf6 gxf6 
34.Rxe6 Ra7 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.07"]
[Round "2"]
[White "Ligterink, Gert"]
[Black "Gelpke, Peter"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2385"]
[EventDate "1986.06.06"]
[PlyCount "81"]
[ECO "E70"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nge2 O-O 6.Ng3 e5 7.d5 c6 8.Be2 cxd5 
9.cxd5 Ne8 10.Be3 a5 11.Qd2 Nd7 12.O-O Nc5 13.Rac1 b6 14.Bb5 Nc7 15.Bc4 
Qd7 16.b3 b5 17.Be2 Ba6 18.Rfd1 Rfb8 19.Qc2 Bf8 20.f3 Rb7 21.Bf1 Be7 22.
Qf2 Qd8 23.f4 exf4 24.Qxf4 Nd7 25.Nce2 Ne5 26.Nd4 Qe8 27.Nc6 Nxc6 28.Rxc6 
b4 29.Bxa6 Rxa6 30.Rxa6 Nxa6 31.Bd4 Qd8 32.e5 Bg5 33.Qf1 Nc7 34.Ne4 Nb5 
35.Bb2 Bh6 36.Nf6+ Kh8 37.exd6 Bg7 38.Re1 Nxd6 39.Qf3 Qb6+ 40.Kh1 Rb8 41.
Nd7 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.07"]
[Round "2"]
[White "Ree, Hans"]
[Black "Scheeren, Peter"]
[Result "1-0"]
[WhiteElo "2455"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "95"]
[ECO "E99"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Ne1 Nd7 10.Nd3 f5 11.Bd2 Nf6 12.f3 Kh8 13.Qc2 Neg8 14.exf5 gxf5 15.Rae1 
Qe8 16.Nf2 Bd7 17.g4 Ne7 18.Kh1 Ng6 19.h3 Ng8 20.Qc1 fxg4 21.hxg4 Nf4 22.
Bxf4 Rxf4 23.Nce4 Qg6 24.Nh3 Bh6 25.Qc2 Raf8 26.Nxf4 Bxf4 27.Kg2 Nh6 28.
Qd3 Nf5 29.Rh1 Ne3+ 30.Kg1 Nxg4 31.fxg4 Bxg4 32.Bxg4 Qxg4+ 33.Ng3 Qxg3+ 
34.Qxg3 Bxg3 35.Rf1 Bf4 36.Kf2 h6 37.Kf3 Kg7 38.Ke4 Rf6 39.Rfg1+ Bg5 40.
Rf1 Bf4 41.b4 Kg6 42.Rh3 h5 43.c5 Bg5 44.Rxf6+ Bxf6 45.c6 b5 46.Ra3 h4 47.
Rxa7 Bg5 48.a4 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.07"]
[Round "2"]
[White "Van der Wiel, John"]
[Black "Goldstern, Filip"]
[Result "1-0"]
[WhiteElo "2555"]
[BlackElo "2310"]
[EventDate "1986.06.06"]
[PlyCount "59"]
[ECO "B42"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.b3 Be7 8.Bb2 O-O
9.Nd2 Nbd7 10.c4 Qc7 11.Rc1 b6 12.f4 Bb7 13.Bb1 Rfe8 14.Qf3 Bf8 15.g4 e5 
16.g5 Nxe4 17.Bxe4 Bxe4 18.Nxe4 exd4 19.Bxd4 Rac8 20.Nc3 Qb8 21.Qd5 Nc5 
22.f5 Qa8 23.Qxa8 Rxa8 24.Rce1 Rab8 25.Kg2 Rec8 26.Nd5 b5 27.cxb5 axb5 28.
Ne7+ Bxe7 29.Rxe7 Nd3 30.g6 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.08"]
[Round "3"]
[White "Douven, Rudy"]
[Black "De Boer, Gert Jan"]
[Result "0-1"]
[WhiteElo "2380"]
[BlackElo "2430"]
[EventDate "1986.06.06"]
[PlyCount "120"]
[ECO "D55"]

1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bxf6 Bxf6 8.Rc1 c6
9.Bd3 Nd7 10.O-O Qe7 11.e4 dxc4 12.Bxc4 e5 13.d5 Nb6 14.Bb3 Rd8 15.Qe2 
cxd5 16.exd5 Bf5 17.Rcd1 e4 18.Nd4 Bg6 19.Rfe1 Re8 20.Qg4 Qe5 21.f4 Qh5 
22.h3 Qxg4 23.hxg4 e3 24.f5 Bh7 25.Nc2 Bg5 26.Rd4 g6 27.Ne4 gxf5 28.Nxg5 
hxg5 29.gxf5 Bxf5 30.Nxe3 Bd7 31.Kf2 Rac8 32.g4 Re5 33.Ng2 Rxe1 34.Nxe1 
Kg7 35.Nd3 Kf6 36.Kf3 Rc7 37.Nf2 Ke5 38.Rd1 f5 39.gxf5 Bxf5 40.Re1+ Kd6 
41.Rh1 Rf7 42.Rh6+ Ke5 43.Ng4+ Bxg4+ 44.Kxg4 Nxd5 45.Rg6 Nf6+ 46.Kxg5 Ne4+
47.Kg4 Rf2 48.Re6+ Kd4 49.Re7 Nc5 50.Bf7 Rxb2 51.Kf3 Rd2 52.Re1 b6 53.Rb1 
Nd3 54.Bg8 Rf2+ 55.Kg3 Rf6 56.Bh7 Rf7 57.Bxd3 Kxd3 58.Rc1 Rf5 59.Rh1 Kc2 
60.Rh2+ Kb1 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.08"]
[Round "3"]
[White "Gelpke, Peter"]
[Black "Kuijf, Marinus"]
[Result "1-0"]
[WhiteElo "2385"]
[BlackElo "2420"]
[EventDate "1986.06.06"]
[PlyCount "119"]
[ECO "D00"]

1.d4 d5 2.Bg5 h6 3.Bh4 c6 4.e3 Bf5 5.Bd3 Bxd3 6.Qxd3 Nd7 7.Nf3 Ngf6 8.Nbd2
e6 9.O-O Be7 10.Bxf6 Bxf6 11.e4 O-O 12.Rfe1 Qb6 13.Nb3 Rac8 14.e5 Be7 15.
c3 c5 16.dxc5 Nxc5 17.Nxc5 Rxc5 18.Re2 Rfc8 19.Rd1 Ra5 20.a3 Ra4 21.g3 
Rac4 22.Nd4 a5 23.Qc2 a4 24.Rd3 Qa6 25.Red2 Bc5 26.Qd1 Qb6 27.Qe2 Qd8 28.
Qd1 Qb6 29.Qe2 Qd8 30.h4 Ba7 31.Kg2 Bb8 32.h5 Qe7 33.f4 Rf8 34.Qg4 Ba7 35.
Kh3 Bxd4 36.Rxd4 b5 37.f5 Kh8 38.Rf2 exf5 39.Qxf5 Rd8 40.Rfd2 Qe6 41.g4 
Rc7 42.Kg3 Qc6 43.Qf3 Rcd7 44.R2d3 Kg8 45.Kh3 Kf8 46.Re3 Re7 47.Qe2 Rde8 
48.Rb4 Rb8 49.Qd3 Kg8 50.Rd4 Rd8 51.Qf5 Qe8 52.Kh2 Re6 53.g5 hxg5 54.Qxg5 
f6 55.exf6 Rd7 56.Rxe6 Qxe6 57.Rg4 Qd6+ 58.Rg3 d4 59.fxg7 dxc3 60.h6 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.08"]
[Round "3"]
[White "Goldstern, Filip"]
[Black "Ligterink, Gert"]
[Result "0-1"]
[WhiteElo "2310"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "100"]
[ECO "E11"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 c5 5.Bxb4 cxb4 6.a3 bxa3 7.Rxa3 O-O 8.
Nc3 d6 9.e3 Nc6 10.Be2 e5 11.h3 Re8 12.O-O h6 13.Qb1 exd4 14.exd4 d5 15.c5
Ne4 16.Bd3 Ng5 17.Nxg5 Qxg5 18.Nb5 Re7 19.Rd1 Be6 20.Bc2 Qh4 21.b4 a6 22.
Qb2 Rae8 23.Nd6 Bg4 24.Rf1 Be2 25.Nf5 Qf6 26.Nxe7+ Rxe7 27.Re1 Nxd4 28.Qc1
Bb5 29.Rxe7 Qxe7 30.Re3 Qg5 31.Bd1 Ne6 32.Qb2 d4 33.Rg3 Qe5 34.Bf3 Nf4 35.
Qd2 Bc6 36.Rg4 g5 37.Bxc6 bxc6 38.g3 Ne6 39.f4 Qd5 40.fxg5 hxg5 41.h4 d3 
42.hxg5 Qf3 43.Rc4 Qxg3+ 44.Kf1 Qf3+ 45.Kg1 Qd5 46.Rc3 Qd4+ 47.Kf1 Nf4 48.
Ra3 Qe4 49.Kf2 Qg2+ 50.Ke3 Nd5+ 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.08"]
[Round "3"]
[White "Peelen, Piet"]
[Black "Ree, Hans"]
[Result "1-0"]
[WhiteElo "2400"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "63"]
[ECO "B81"]

1.e4 c5 2.Nf3 e6 3.Nc3 d6 4.d4 cxd4 5.Nxd4 Nf6 6.g4 e5 7.Bb5+ Bd7 8.Bxd7+ 
Qxd7 9.Nf5 h5 10.Bg5 Nh7 11.h4 hxg4 12.Be3 g6 13.Ng3 Nc6 14.Nd5 Ne7 15.Qd3
Nxd5 16.exd5 Nf6 17.O-O-O Be7 18.Bg5 Nh5 19.Bxe7 Kxe7 20.Ne4 Qa4 21.Kb1 
Nf4 22.Qe3 b5 23.Rhe1 Qa5 24.Nxd6 f6 25.Qxf4 Rxh4 26.Rxe5+ fxe5 27.Qxe5+ 
Kd7 28.Qe6+ Kc7 29.Qe7+ Kb6 30.Qb7+ Kc5 31.Qc6+ Kb4 32.Rd4# 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.08"]
[Round "3"]
[White "Scheeren, Peter"]
[Black "Van der Wiel, John"]
[Result "0-1"]
[WhiteElo "2455"]
[BlackElo "2555"]
[EventDate "1986.06.06"]
[PlyCount "102"]
[ECO "A63"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 d6 6.Bg2 g6 7.Nc3 Bg7 8.Nf3 O-O 
9.O-O Nbd7 10.Re1 a6 11.a4 Rb8 12.e4 b5 13.axb5 axb5 14.Bf1 Ng4 15.Nxb5 
Nde5 16.Nxe5 Nxe5 17.Be2 Qb6 18.Nc3 Bh3 19.Ra6 Nf3+ 20.Kh1 Qb7 21.Rxd6 
Nxe1 22.Qxe1 Qe7 23.Rc6 Bxc3 24.Qxc3 Qxe4+ 25.Bf3 Qd4 26.Qxd4 cxd4 27.Bg2 
Bxg2+ 28.Kxg2 Rfc8 29.Rxc8+ Rxc8 30.Bf4 Rc5 31.d6 d3 32.Kf1 Kf8 33.d7 Rd5 
34.Ke1 Ke7 35.Kd2 g5 36.Be3 g4 37.b4 Kxd7 38.b5 Rxb5 39.Kxd3 Ke6 40.Ke2 
Rh5 41.Kf1 Rxh2 42.Kg1 Rh5 43.Kg2 Rf5 44.Bb6 Ke5 45.Be3 Ke4 46.Bb6 Kd3 47.
Ba7 Ke2 48.Be3 Rf3 49.Bc5 h5 50.Bb6 f5 51.Bc5 f4 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.08"]
[Round "3"]
[White "Van der Sterren, Paul"]
[Black "Boersma, Paulus"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2405"]
[EventDate "1986.06.06"]
[PlyCount "73"]
[ECO "D55"]

1.d4 Nf6 2.Nf3 d5 3.c4 e6 4.Nc3 Be7 5.Bg5 h6 6.Bxf6 Bxf6 7.e3 O-O 8.Rc1 c6
9.Bd3 Nd7 10.O-O dxc4 11.Bxc4 e5 12.h3 exd4 13.exd4 Nb6 14.Bb3 Re8 15.Re1 
Rxe1+ 16.Qxe1 Bf5 17.Ne4 Nd5 18.Bxd5 cxd5 19.Nxf6+ Qxf6 20.Qe5 Qxe5 21.
dxe5 Rc8 22.Rxc8+ Bxc8 23.Nd4 Bd7 24.f4 g6 25.g4 h5 26.f5 hxg4 27.hxg4 
gxf5 28.gxf5 f6 29.e6 Be8 30.Kf2 Kf8 31.Ke3 Ke7 32.Nc2 Kd6 33.Kd4 b6 34.
Nb4 Bc6 35.Nxc6 Kxc6 36.e7 Kd7 37.Kxd5 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.09"]
[Round "4"]
[White "Boersma, Paulus"]
[Black "Gelpke, Peter"]
[Result "1-0"]
[WhiteElo "2405"]
[BlackElo "2385"]
[EventDate "1986.06.06"]
[PlyCount "61"]
[ECO "A30"]

1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 c5 5.O-O g6 6.Nc3 Bg7 7.d4 cxd4 8.Qxd4 
Nc6 9.Qf4 O-O 10.Qh4 Kh8 11.Rd1 d6 12.Bg5 Ng8 13.Rac1 Qe8 14.b3 Rb8 15.Be3
f6 16.Nd4 Nxd4 17.Qxd4 f5 18.Qd3 Bxg2 19.Kxg2 Nf6 20.Nd5 Rd8 21.a4 Rd7 22.
f3 Qf7 23.b4 Rc8 24.b5 e6 25.Nb4 Ng8 26.Qa3 Ne7 27.a5 bxa5 28.Qxa5 Rcc7 
29.Rxd6 Nc8 30.Rxd7 Qxd7 31.Na6 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.09"]
[Round "4"]
[White "De Boer, Gert Jan"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2430"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "44"]
[ECO "D17"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 e6 7.f3 Bb4 8.Nxc4 O-O
9.Bg5 h6 10.Bh4 c5 11.dxc5 Qxd1+ 12.Rxd1 Bc2 13.Rc1 Bxa4 14.Ra1 Bb3 15.Nb6
Nd5 16.Nxa8 Nxc3 17.e4 Nc6 18.Kf2 Bxc5+ 19.Ke1 Bb4 20.Kf2 Nd1+ 21.Ke2 Nd4+
22.Kd3 e5 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.09"]
[Round "4"]
[White "Douven, Rudy"]
[Black "Van der Sterren, Paul"]
[Result "1-0"]
[WhiteElo "2380"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "45"]
[ECO "D55"]

1.d4 Nf6 2.Nf3 d5 3.c4 e6 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bxf6 Bxf6 8.Rc1 c6
9.Bd3 Nd7 10.O-O Be7 11.Ne5 Nxe5 12.dxe5 dxc4 13.Bxc4 Qa5 14.f4 b5 15.Bd3 
Bb7 16.Bb1 Rad8 17.Qc2 g6 18.Rf3 Rd7 19.Rg3 Kh8 20.h4 h5 21.f5 exf5 22.Rf1
Bc8 23.Rxf5 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.09"]
[Round "4"]
[White "Kuijf, Marinus"]
[Black "Goldstern, Filip"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2310"]
[EventDate "1986.06.06"]
[PlyCount "85"]
[ECO "B06"]

1.e4 c6 2.d4 g6 3.Nc3 Bg7 4.Bc4 d6 5.Qf3 e6 6.Nge2 d5 7.Bb3 f5 8.exf5 exf5
9.h4 Nf6 10.Bg5 h6 11.Bf4 Nbd7 12.Qg3 Nf8 13.Bc7 Nh5 14.Qh2 Qd7 15.O-O-O 
Ne6 16.Bd6 b6 17.Rhe1 Ba6 18.Nf4 Nxf4 19.Bxf4 O-O 20.Be5 f4 21.Qh3 Rae8 
22.Nb1 Qf7 23.Qc3 Qd7 24.Nd2 Bxe5 25.Rxe5 Nd8 26.Nf3 Be2 27.Re1 Bxf3 28.
Qxf3 Rxe5 29.Rxe5 Nf7 30.Re2 Nd6 31.c3 Kg7 32.Bc2 Rf7 33.Re5 Nc4 34.Re1 
Nd6 35.Qd3 Qf5 36.Qe2 Qf6 37.h5 gxh5 38.Qxh5 Qg5 39.Qf3 Qf6 40.Re5 Nc4 41.
Qg4+ Kh8 42.Re8+ Rf8 43.Qd7 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.09"]
[Round "4"]
[White "Ligterink, Gert"]
[Black "Scheeren, Peter"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "61"]
[ECO "E88"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 c6 7.Bd3 e5 8.d5 b5 9.
Nge2 bxc4 10.Bxc4 c5 11.O-O Nbd7 12.a3 Nb6 13.Bd3 c4 14.Bc2 Ba6 15.a4 Qc7 
16.Nb5 Bxb5 17.axb5 Nfd7 18.Nc3 Nc5 19.Qd2 Rfc8 20.Na2 Nb3 21.Bxb3 cxb3 
22.Nb4 Nc4 23.Qe2 Nxe3 24.Qxe3 Bh6 25.Qf2 Qc5 26.Qxc5 Rxc5 27.b6 Rb5 28.
Rxa7 Rxa7 29.bxa7 Be3+ 30.Kh1 Bxa7 31.Ra1 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.09"]
[Round "4"]
[White "Van der Wiel, John"]
[Black "Peelen, Piet"]
[Result "1-0"]
[WhiteElo "2555"]
[BlackElo "2400"]
[EventDate "1986.06.06"]
[PlyCount "77"]
[ECO "B12"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nc3 e6 5.g4 Bg6 6.Nge2 c5 7.h4 Nc6 8.h5 Be4 9.
Nxe4 dxe4 10.Bg2 cxd4 11.Bxe4 Qa5+ 12.Kf1 Qxe5 13.Bxc6+ bxc6 14.Qxd4 Qd5 
15.Rh3 Nf6 16.g5 Bc5 17.Qxd5 Nxd5 18.c4 Ne7 19.Bd2 Nf5 20.Rd3 Ke7 21.Ba5 
h6 22.g6 Rhb8 23.Rad1 fxg6 24.Rd7+ Ke8 25.hxg6 Rxb2 26.Bc3 Rb1 27.Rxb1 
Kxd7 28.Rb7+ Kd6 29.f4 Bb6 30.Bxg7 Rg8 31.Be5+ Kc5 32.g7 Kxc4 33.Rf7 Ne3+ 
34.Ke1 Ba5+ 35.Kf2 Ng4+ 36.Kf3 Nxe5+ 37.fxe5 Kd5 38.Nf4+ Kxe5 39.Ng6+ 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.11"]
[Round "5"]
[White "Gelpke, Peter"]
[Black "Douven, Rudy"]
[Result "1/2-1/2"]
[WhiteElo "2385"]
[BlackElo "2380"]
[EventDate "1986.06.06"]
[PlyCount "131"]
[ECO "E12"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.a3 d5 6.cxd5 exd5 7.Bf4 Bd6 8.Bxd6 
Qxd6 9.Rc1 a6 10.g3 O-O 11.Bg2 Nbd7 12.O-O c5 13.dxc5 bxc5 14.Nd2 Rab8 15.
Qc2 Rfe8 16.Rfe1 d4 17.Nce4 Nxe4 18.Bxe4 h6 19.Bxb7 Rxb7 20.Nc4 Qd5 21.Qd3
Nf6 22.Rc2 Rbe7 23.Nd2 Re6 24.Nf3 Rb8 25.Rec1 Ne4 26.b4 cxb4 27.Rc8+ Re8 
28.Rxe8+ Rxe8 29.axb4 Ng5 30.Nxg5 Qxg5 31.Rd1 Qe7 32.Qxa6 Qxb4 33.Qd3 Qb2 
34.Kf1 Qb7 35.f3 Qb2 36.Qc4 Kh7 37.Qd3+ Kg8 38.Rb1 Qa2 39.Rb4 Qa1+ 40.Rb1 
Qa2 41.Qd1 Qc4 42.Kf2 Qc5 43.Rc1 Qh5 44.Kg2 Qb5 45.Rc2 Qb3 46.Qd2 Qb5 47.
Rb2 Qc4 48.Qd1 h5 49.Rd2 g6 50.Kf1 Rd8 51.Kf2 Kh7 52.Qb1 Qe6 53.Qd3 h4 54.
Kg2 hxg3 55.hxg3 Qe5 56.Rd1 Re8 57.Rh1+ Kg7 58.Kf2 Rh8 59.Rxh8 Kxh8 60.f4 
Qc5 61.Kf3 Qc6+ 62.Qe4 Qc3+ 63.Kg2 Kg8 64.Qe8+ Kg7 65.Qe5+ Kg8 66.g4 
1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.11"]
[Round "5"]
[White "Goldstern, Filip"]
[Black "Boersma, Paulus"]
[Result "1/2-1/2"]
[WhiteElo "2310"]
[BlackElo "2405"]
[EventDate "1986.06.06"]
[PlyCount "36"]
[ECO "B08"]

1.Nf3 d6 2.d4 g6 3.e4 Nf6 4.Nc3 Bg7 5.Be2 O-O 6.O-O c6 7.a4 Qc7 8.a5 Nbd7 
9.Re1 e5 10.dxe5 dxe5 11.Be3 Ng4 12.Bg5 Nc5 13.Nd2 Ne6 14.Bh4 Bf6 15.Bg3 
h5 16.Bxg4 hxg4 17.Qxg4 Rd8 18.Qf3 Kg7 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.11"]
[Round "5"]
[White "Peelen, Piet"]
[Black "Ligterink, Gert"]
[Result "1-0"]
[WhiteElo "2400"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "73"]
[ECO "B89"]

1.e4 c5 2.Nf3 e6 3.Nc3 d6 4.d4 cxd4 5.Nxd4 Nc6 6.Be3 Nf6 7.Bc4 Be7 8.Qe2 
a6 9.O-O-O Qc7 10.Bb3 O-O 11.Rhg1 Nd7 12.g4 Nc5 13.Nf5 b5 14.Bd5 Bb7 15.g5
b4 16.Bxc5 dxc5 17.g6 hxg6 18.Rxg6 fxg6 19.Bxe6+ Rf7 20.Nd5 Bg5+ 21.f4 Nd4
22.Nxd4 Bxd5 23.Bxd5 Bxf4+ 24.Kb1 cxd4 25.Bxa8 Rf6 26.Bd5+ Kh7 27.Rxd4 Qc5
28.Rd1 a5 29.h4 Be5 30.h5 g5 31.Bb3 Rf2 32.Qa6 Rf6 33.Qe2 Rf2 34.Qg4 Bf6 
35.Qe6 g4 36.Qg8+ Kh6 37.Qe8 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.11"]
[Round "5"]
[White "Ree, Hans"]
[Black "Van der Wiel, John"]
[Result "0-1"]
[WhiteElo "2455"]
[BlackElo "2555"]
[EventDate "1986.06.06"]
[PlyCount "76"]
[ECO "E32"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.Bg5 c5 6.e3 h6 7.Bh4 cxd4 8.exd4 
Nc6 9.Nf3 Be7 10.Rd1 b6 11.Be2 d5 12.a3 dxc4 13.Bxc4 Nd5 14.Bg3 Nxc3 15.
Qxc3 Na5 16.Bd3 Bb7 17.Bb1 Rc8 18.Qd3 f5 19.Ba2 Bd5 20.Bxd5 Qxd5 21.Be5 
Nc4 22.Qe2 Qe4 23.d5 exd5 24.Rd4 Qxe2+ 25.Kxe2 Rfe8 26.Rxd5 Rc5 27.Kd3 
Nxb2+ 28.Kd4 Rc4+ 29.Ke3 Bxa3 30.Ra1 Re4+ 31.Kd2 Nc4+ 32.Kc2 Bc5 33.Bd4 
Bxd4 34.Nxd4 Rf4 35.Kc3 Rc8 36.Kd3 Rxf2 37.Rxa7 Nb2+ 38.Ke3 Nd1+ 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.11"]
[Round "5"]
[White "Scheeren, Peter"]
[Black "Kuijf, Marinus"]
[Result "0-1"]
[WhiteElo "2455"]
[BlackElo "2420"]
[EventDate "1986.06.06"]
[PlyCount "62"]
[ECO "D48"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6
9.e4 c5 10.d5 c4 11.dxe6 cxd3 12.exd7+ Qxd7 13.O-O Bb7 14.e5 Nd5 15.Qxd3 
Nxc3 16.Qxc3 Rc8 17.Qb3 Be7 18.Bf4 Qf5 19.Bg3 h5 20.e6 fxe6 21.Rfe1 Bd5 
22.Qe3 h4 23.Be5 O-O 24.Nd4 Qg6 25.Qh3 Rc4 26.Rad1 Bb4 27.Re3 Bc5 28.Ree1 
Bb6 29.g3 Rc2 30.Bf4 Rxf4 31.Nxc2 Qxc2 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.11"]
[Round "5"]
[White "Van der Sterren, Paul"]
[Black "De Boer, Gert Jan"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2430"]
[EventDate "1986.06.06"]
[PlyCount "122"]
[ECO "D82"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5 7.Rc1 Ne4 8.cxd5 
Nxc3 9.Qd2 Qxa2 10.bxc3 Qa5 11.Bc4 Nd7 12.Nf3 O-O 13.O-O Nxc5 14.Be5 Bxe5 
15.Nxe5 f6 16.Nf3 b5 17.Ra1 Qd8 18.d6+ bxc4 19.Qd5+ Be6 20.Qxc5 exd6 21.
Qc6 Qb6 22.Qe4 d5 23.Qd4 Bf7 24.Rfb1 Qxd4 25.Nxd4 Rfb8 26.Rxb8+ Rxb8 27.f3
Rb7 28.Ra6 Kg7 29.h4 h5 30.Kf2 Rb2+ 31.Kg3 Rb7 32.Kf4 Rb2 33.g3 Rb7 34.g4 
hxg4 35.fxg4 Re7 36.Kf3 Rb7 37.Ra5 Kh6 38.Nc6 Be8 39.Nb4 Bf7 40.Kf4 Kg7 
41.Nxd5 Bxd5 42.Rxd5 Rb3 43.Rd7+ Kf8 44.Rxa7 Rxc3 45.g5 fxg5+ 46.hxg5 Rc1 
47.e4 c3 48.Rc7 Ke8 49.Ke5 Kd8 50.Rc6 Kd7 51.Rd6+ Ke7 52.Rxg6 Rg1 53.Re6+ 
Kd7 54.Rd6+ Ke7 55.Rc6 Rxg5+ 56.Kf4 Ra5 57.Rxc3 Kf6 58.Rc6+ Kf7 59.e5 Ra1 
60.Ke4 Re1+ 61.Kd5 Rd1+ 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.12"]
[Round "6"]
[White "Boersma, Paulus"]
[Black "Scheeren, Peter"]
[Result "0-1"]
[WhiteElo "2405"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "142"]
[ECO "E97"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.d4 d6 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Bd2 Ne8 10.Rc1 f5 11.Ng5 Nf6 12.exf5 Nxf5 13.Bd3 Nd4 14.Ne2 Nf5 15.Qc2 
Qe7 16.Rce1 Bd7 17.Ng3 Nxg3 18.hxg3 Bh6 19.Re2 Qg7 20.c5 Bxg5 21.Bxg5 Rac8
22.Qb3 b6 23.cxd6 cxd6 24.Qa3 Bf5 25.Bb5 Rc5 26.Qb3 Rfc8 27.Be3 R5c7 28.
Ba6 Rd8 29.Rc1 Rxc1+ 30.Bxc1 Rd7 31.Bg5 Rc7 32.Qb4 Qf8 33.Qh4 Nxd5 34.Bc4 
Be6 35.Rd2 Qf7 36.Bh6 Nf6 37.Bb3 Bxb3 38.axb3 d5 39.Qg5 Qe6 40.f3 d4 41.
Re2 Re7 42.Qh4 d3 43.Rd2 Rd7 44.Qb4 Qd6 45.Qc4+ Kh8 46.Kf1 Ng8 47.Be3 Ne7 
48.g4 Kg7 49.Bf2 Nc6 50.Qc3 Kf7 51.Bg3 Qd5 52.Kg1 Qc5+ 53.Kf1 Qxc3 54.bxc3
e4 55.fxe4 Ke6 56.Kf2 Na5 57.Ke3 Nxb3 58.Rxd3 Rxd3+ 59.Kxd3 b5 60.Bf2 a6 
61.c4 bxc4+ 62.Kxc4 Na5+ 63.Kc5 Ke5 64.Be1 Nb7+ 65.Kc6 Nd8+ 66.Kd7 Nf7 67.
Ke7 Nh6 68.g5 Ng4 69.Kf7 Kxe4 70.Kg7 Kf5 71.Bd2 Ke6 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.12"]
[Round "6"]
[White "De Boer, Gert Jan"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2555"]
[EventDate "1986.06.06"]
[PlyCount "28"]
[ECO "E04"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 dxc4 5.Bg2 c5 6.O-O Nc6 7.Ne5 Bd7 8.Na3 
cxd4 9.Naxc4 Be7 10.Bf4 O-O 11.Rc1 Nd5 12.Nxd7 Qxd7 13.Ne5 Nxe5 14.Bxe5 
Rfd8 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.12"]
[Round "6"]
[White "Douven, Rudy"]
[Black "Goldstern, Filip"]
[Result "1-0"]
[WhiteElo "2380"]
[BlackElo "2310"]
[EventDate "1986.06.06"]
[PlyCount "79"]
[ECO "A81"]

1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nh3 d5 5.O-O c6 6.Nd2 Bd6 7.Nf3 h6 8.Nf4 g5 9.
Nd3 Nbd7 10.Bd2 b6 11.Nfe5 Bb7 12.c4 Ne4 13.Rc1 O-O 14.cxd5 cxd5 15.Nxd7 
Qxd7 16.Bb4 Bxb4 17.Nxb4 Rac8 18.Nd3 Rxc1 19.Qxc1 Rc8 20.Qe3 Ba6 21.Ne5 
Qe7 22.f3 Nd6 23.h4 Rc2 24.Re1 Rxb2 25.hxg5 Qxg5 26.f4 Qe7 27.Nc6 Qe8 28.
Qa3 Nc4 29.Qxa6 Qxc6 30.Qxa7 Nd6 31.Qe7 Ne4 32.Bf3 Qd6 33.Qe8+ Kg7 34.Bh5 
Qc7 35.Qg6+ Kh8 36.Qe8+ Kg7 37.Qxe6 Rxa2 38.Qxf5 Qd6 39.Qf7+ Kh8 40.Rc1 
1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.12"]
[Round "6"]
[White "Kuijf, Marinus"]
[Black "Peelen, Piet"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2400"]
[EventDate "1986.06.06"]
[PlyCount "69"]
[ECO "B14"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 g6 6.Qb3 Bg7 7.cxd5 O-O 8.Be2 
Na6 9.Bf3 Qb6 10.Qxb6 axb6 11.Nge2 Nb4 12.O-O Rd8 13.d6 Rxd6 14.Bf4 Rd7 
15.Be5 Nfd5 16.Nxd5 Nxd5 17.a3 Rd8 18.Rac1 Bh6 19.Rc4 Be6 20.Bxd5 Bxd5 21.
Rc7 Kf8 22.Nc3 Bc6 23.Rd1 f6 24.Bg3 Rdc8 25.d5 Rxc7 26.Bxc7 Bd7 27.Bxb6 
Bf4 28.Bc5 Be5 29.Bd4 Bd6 30.Ne4 Ra5 31.Bxf6 Ba4 32.Rd4 Bb3 33.Nxd6 exd6 
34.h3 Bxd5 35.b4 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.12"]
[Round "6"]
[White "Ligterink, Gert"]
[Black "Ree, Hans"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "35"]
[ECO "D43"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 h6 6.Bxf6 Qxf6 7.e3 Nd7 8.Qc2 Qd8
9.O-O-O Be7 10.h4 dxc4 11.Bxc4 Qa5 12.g4 Nb6 13.Bb3 c5 14.Ne5 Bd6 15.Ng6 
fxg6 16.Qxg6+ Kf8 17.Rh3 Nd7 18.Qxe6 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.12"]
[Round "6"]
[White "Van der Sterren, Paul"]
[Black "Gelpke, Peter"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2385"]
[EventDate "1986.06.06"]
[PlyCount "94"]
[ECO "E87"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 Nh5 8.Qd2 f5 9.
O-O-O Nd7 10.Bd3 Ndf6 11.Nge2 Qe8 12.h3 f4 13.Bf2 c5 14.b4 b6 15.Kb1 Qd8 
16.a3 Ne8 17.Qc2 Rf7 18.Nc1 Bf6 19.Be1 Bh4 20.Bd2 Nhf6 21.N3e2 g5 22.Nb3 
Rb7 23.Ka2 Nd7 24.bxc5 Nxc5 25.Nxc5 bxc5 26.Rb1 Rab8 27.Rxb7 Rxb7 28.Rd1 
Qd7 29.Bc3 h5 30.Rh1 Qd8 31.Qd2 Qb6 32.Rb1 Qa6 33.Rxb7 Qxb7 34.Ba5 g4 35.
hxg4 hxg4 36.Qb2 Qxb2+ 37.Kxb2 Bf2 38.Nc3 Bd4 39.Kc2 Bxc3 40.Kxc3 g3 41.
Bd8 Kf7 42.Kd2 Bd7 43.Kc3 Ng7 44.Kd2 Ba4 45.Bc2 Bd7 46.Ke2 Ke8 47.Bf6 Nh5 
1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.13"]
[Round "7"]
[White "Gelpke, Peter"]
[Black "De Boer, Gert Jan"]
[Result "1/2-1/2"]
[WhiteElo "2385"]
[BlackElo "2430"]
[EventDate "1986.06.06"]
[PlyCount "81"]
[ECO "E31"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6 7.e3 Bxc3+ 8.bxc3 e5 
9.f3 Qe7 10.Bd3 Nbd7 11.Ne2 g5 12.Bg3 e4 13.Bxe4 Nxe4 14.fxe4 Nf6 15.e5 
dxe5 16.Qd3 Bg4 17.e4 O-O 18.Nc1 Ne8 19.Nb3 b6 20.O-O Nd6 21.Nd2 f6 22.a4 
a5 23.Rfb1 Rab8 24.Rb2 Rb7 25.Bf2 Rfb8 26.Re1 Bd7 27.Ra2 Qe8 28.Qc2 Kf8 
29.Qd1 Ke7 30.Bg3 Qg6 31.Kf2 Rg8 32.Ke3 h5 33.Kd3 h4 34.Bf2 Rh8 35.Kc2 Qh5
36.Qxh5 Rxh5 37.Kb3 Be8 38.Re3 Bg6 39.Ra1 Rh7 40.Rf1 Rb8 41.g4 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.13"]
[Round "7"]
[White "Goldstern, Filip"]
[Black "Van der Sterren, Paul"]
[Result "0-1"]
[WhiteElo "2310"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "96"]
[ECO "D43"]

1.d4 Nf6 2.Nf3 d5 3.c4 e6 4.Nc3 c6 5.Qb3 dxc4 6.Qxc4 b5 7.Qb3 Be7 8.Bg5 
Nbd7 9.e3 Bb7 10.Be2 a6 11.O-O c5 12.Bxf6 gxf6 13.Rfd1 Qb6 14.d5 Rd8 15.
Rd2 O-O 16.Rad1 c4 17.Qc2 Nc5 18.e4 Rfe8 19.Rd4 Bf8 20.e5 f5 21.g4 Bg7 22.
gxf5 exf5 23.Qxf5 Qg6+ 24.Qxg6 hxg6 25.a4 Bxe5 26.Nxe5 Rxe5 27.Bf3 Nb3 28.
Rg4 b4 29.Na2 a5 30.Rxc4 Bxd5 31.Bxd5 Rexd5 32.Rxd5 Rxd5 33.Nxb4 Rg5+ 34.
Kh1 axb4 35.Rxb4 Nd2 36.h4 Rf5 37.Kg2 Nf3 38.Kg3 Ne1 39.Rb8+ Kg7 40.b4 
Rf3+ 41.Kg4 Rxf2 42.a5 f5+ 43.Kh3 Rf3+ 44.Kh2 f4 45.Re8 Nc2 46.a6 Ra3 47.
b5 Nd4 48.b6 Rg3 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.13"]
[Round "7"]
[White "Peelen, Piet"]
[Black "Boersma, Paulus"]
[Result "0-1"]
[WhiteElo "2400"]
[BlackElo "2405"]
[EventDate "1986.06.06"]
[PlyCount "70"]
[ECO "B49"]

1.e4 c5 2.Nf3 e6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 a6 6.Be2 Qc7 7.O-O Nf6 8.Be3 
Bb4 9.Na4 O-O 10.c4 Bd6 11.f4 Nxe4 12.Bf3 Bxf4 13.Bxf4 Qxf4 14.Nxc6 Qe3+ 
15.Kh1 dxc6 16.Qc2 Ng5 17.Rae1 Qd4 18.Rd1 Qe5 19.c5 Nxf3 20.Rxf3 Rb8 21.
Qf2 Qc7 22.Nb6 e5 23.Rd6 Qe7 24.Qg3 f5 25.Rf1 f4 26.Qc3 Bg4 27.h3 Bf5 28.
b4 Rbe8 29.Nc4 Be6 30.Nxe5 Bd5 31.Re1 Qh4 32.Rd7 Rf7 33.Rxf7 Bxf7 34.Rf1 
Bxa2 35.Kh2 Qg3+ 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.13"]
[Round "7"]
[White "Ree, Hans"]
[Black "Kuijf, Marinus"]
[Result "0-1"]
[WhiteElo "2455"]
[BlackElo "2420"]
[EventDate "1986.06.06"]
[PlyCount "82"]
[ECO "D43"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 h6 6.Bxf6 Qxf6 7.e3 Nd7 8.Qc2 a6 
9.O-O-O Bb4 10.Kb1 O-O 11.Bd3 b5 12.cxd5 cxd5 13.Ne2 Qe7 14.Rc1 Bb7 15.Qc7
Rab8 16.Ne5 Nxe5 17.Qxe5 Bd6 18.Qh5 Rfc8 19.h4 Rxc1+ 20.Rxc1 Rc8 21.Rxc8+ 
Bxc8 22.Qg4 Qf6 23.f4 Qd8 24.h5 Qa5 25.Nc1 Qe1 26.Qe2 Qg1 27.Kc2 Be7 28.
Nb3 Bh4 29.Kd2 Bf2 30.g4 e5 31.f5 e4 32.Bc2 g6 33.hxg6 fxg6 34.Nc5 gxf5 
35.Bb3 f4 36.Bxd5+ Kh8 37.Bxe4 Bxg4 38.Bf3 Bxe3+ 39.Kd3 Qb1+ 40.Kc3 Qc1+ 
41.Kb4 Qd2+ 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.13"]
[Round "7"]
[White "Scheeren, Peter"]
[Black "Douven, Rudy"]
[Result "1-0"]
[WhiteElo "2455"]
[BlackElo "2380"]
[EventDate "1986.06.06"]
[PlyCount "81"]
[ECO "A55"]

1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.e4 e5 5.Nf3 Be7 6.Be2 O-O 7.O-O c6 8.Re1 a6 
9.Bf1 b5 10.b3 Re8 11.Bb2 Bb7 12.Qc2 Bf8 13.a3 Rc8 14.Rad1 Qc7 15.Qb1 exd4
16.Nxd4 Qb8 17.Nf5 Rcd8 18.Bc1 h6 19.Qd3 Ne5 20.Qg3 Ng6 21.Bd3 Bc8 22.Bc2 
Be6 23.Nd4 Bd7 24.h3 Kh8 25.f4 bxc4 26.bxc4 Qb6 27.Kh1 Qc5 28.Nb3 Qxc4 29.
f5 Nh5 30.Qe3 Bxf5 31.Na5 Qe6 32.exf5 Qf6 33.Qf3 Rxe1+ 34.Rxe1 Nh4 35.Qxc6
d5 36.Qxf6 gxf6 37.Nc6 Rc8 38.Ba4 Ng3+ 39.Kg1 Bc5+ 40.Be3 Rxc6 41.Bxc6 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.13"]
[Round "7"]
[White "Van der Wiel, John"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "77"]
[ECO "B83"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Be7 7.O-O O-O 8.f4 
Nc6 9.Be3 e5 10.Nxc6 bxc6 11.fxe5 dxe5 12.Qxd8 Rxd8 13.Rfd1 Be6 14.h3 Bb4 
15.Rxd8+ Rxd8 16.Bf3 Bxc3 17.bxc3 Rb8 18.a4 a5 19.Rd1 h6 20.Rd6 Rb1+ 21.
Kh2 Ra1 22.Rd8+ Kh7 23.Ra8 Rxa4 24.Bb6 Nd7 25.Bc7 Ra3 26.Rxa5 Rxc3 27.Bd1 
c5 28.Ra4 Kg6 29.Ba5 Rc4 30.Rxc4 Bxc4 31.Bg4 Be6 32.Bxe6 fxe6 33.Kg3 Nf6 
34.Kf3 Ne8 35.Ke3 Nd6 36.Bc7 Nb5 37.Bxe5 c4 38.h4 Kf7 39.h5 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.15"]
[Round "8"]
[White "Boersma, Paulus"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "93"]
[ECO "B38"]

1.Nf3 c5 2.c4 g6 3.d4 Bg7 4.e4 cxd4 5.Nxd4 Nc6 6.Be3 Nf6 7.Nc3 O-O 8.Be2 
b6 9.O-O Bb7 10.f3 Rc8 11.Qd2 Re8 12.Nxc6 dxc6 13.Qxd8 Rcxd8 14.c5 b5 15.
Rfd1 a6 16.Kf2 Bc8 17.e5 Nd7 18.f4 f6 19.exf6 Nxf6 20.h3 Be6 21.Bf3 b4 22.
Ne2 Bd5 23.Bd4 Ne4+ 24.Bxe4 Bxe4 25.Bxg7 Kxg7 26.Nd4 Kf6 27.Nf3 Rxd1 28.
Rxd1 Bd5 29.b3 Kf7 30.g4 h6 31.h4 a5 32.Ke3 a4 33.g5 hxg5 34.hxg5 Ke6 35.
Rd4 axb3 36.axb3 Rh8 37.Nh4 Kf7 38.f5 gxf5 39.Nxf5 Rh3+ 40.Kf4 Rxb3 41.Ke5
Rc3 42.g6+ Kxg6 43.Nxe7+ Kg5 44.Kd6 Rc4 45.Nxc6 Rxd4 46.Nxd4 Bg2 47.c6 
1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.15"]
[Round "8"]
[White "De Boer, Gert Jan"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "33"]
[ECO "E92"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.Be3 h6 8.dxe5 Ng4 
9.Bd2 Nxe5 10.O-O Nbc6 11.Rc1 Re8 12.b3 Nd7 13.Re1 Nc5 14.Bf1 Ne5 15.Nxe5 
dxe5 16.Be3 Ne6 17.c5 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.15"]
[Round "8"]
[White "Douven, Rudy"]
[Black "Peelen, Piet"]
[Result "1-0"]
[WhiteElo "2380"]
[BlackElo "2400"]
[EventDate "1986.06.06"]
[PlyCount "83"]
[ECO "A16"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 Nxc3 5.bxc3 g6 6.Bg2 Bg7 7.Nf3 O-O 8.
O-O c5 9.Rb1 Nd7 10.d4 b6 11.e4 Bb7 12.e5 Rc8 13.Re1 e6 14.Ng5 Bxg2 15.
Kxg2 cxd4 16.cxd4 Nb8 17.Be3 Nc6 18.Qg4 Ne7 19.h4 h5 20.Qf3 Qd5 21.Rbc1 
Rfd8 22.Qxd5 Nxd5 23.Ne4 Nxe3+ 24.fxe3 Bf8 25.Kf3 Ba3 26.Rcd1 Rc2 27.Rg1 
Kg7 28.g4 hxg4+ 29.Rxg4 Rh8 30.d5 exd5 31.Rxd5 Rc7 32.e6 Rf8 33.exf7 
Rcxf7+ 34.Kg2 Rf5 35.Rxf5 Rxf5 36.Ng3 Rb5 37.h5 g5 38.Ra4 Rb2+ 39.Kf3 Rxa2
40.Rxa7+ Kh6 41.Kg4 Ra1 42.Nf5# 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.15"]
[Round "8"]
[White "Gelpke, Peter"]
[Black "Goldstern, Filip"]
[Result "1-0"]
[WhiteElo "2385"]
[BlackElo "2310"]
[EventDate "1986.06.06"]
[PlyCount "65"]
[ECO "A70"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Bf4 a6 8.e4 b5 9.
Qe2 Nh5 10.Bg5 Be7 11.Bh6 Bf8 12.Qe3 Bxh6 13.Qxh6 Nd7 14.Be2 Qe7 15.Nd2 
Nhf6 16.O-O Bb7 17.Rfe1 O-O-O 18.Qe3 Rhe8 19.Rac1 Kb8 20.h3 b4 21.Na4 Nxe4
22.Bd3 Qf8 23.Bxe4 f5 24.Qg3 fxe4 25.Nxc5 Nxc5 26.Rxc5 e3 27.Rxe3 Rxe3 28.
fxe3 Qf6 29.Nc4 Rd7 30.Ra5 Qd8 31.b3 Ka7 32.e4 Re7 33.Qxd6 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.15"]
[Round "8"]
[White "Kuijf, Marinus"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2555"]
[EventDate "1986.06.06"]
[PlyCount "68"]
[ECO "B56"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3 e5 7.Nde2 Be6 8.f4 
d5 9.f5 Bxf5 10.exf5 d4 11.Bg5 dxc3 12.Nxc3 Bb4 13.Qxd8+ Rxd8 14.Bd3 h6 
15.Bd2 Bxc3 16.Bxc3 Nd5 17.Bd2 Ndb4 18.Be4 Rd4 19.Bxc6+ Nxc6 20.O-O-O h5 
21.Rhf1 Ke7 22.Bg5+ f6 23.Be3 Rxd1+ 24.Rxd1 h4 25.b4 Rh5 26.Bc5+ Ke8 27.b5
Na5 28.Bxa7 Rxf5 29.Kb2 Rf4 30.a3 Rg4 31.Kc3 Rc4+ 32.Kb2 Rg4 33.Kc3 Rc4+ 
34.Kb2 Rg4 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.15"]
[Round "8"]
[White "Van der Sterren, Paul"]
[Black "Scheeren, Peter"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "53"]
[ECO "A65"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 c5 6.d5 O-O 7.Bg5 e6 8.Qd2 exd5 9.
cxd5 a6 10.a4 Re8 11.Nge2 Nbd7 12.Ng3 Qa5 13.Be2 b5 14.O-O b4 15.Nd1 c4 
16.Kh1 Ne5 17.Nf2 c3 18.bxc3 bxc3 19.Qf4 Nfd7 20.Bh6 Bh8 21.Qh4 Nc5 22.f4 
Nb3 23.fxe5 Nxa1 24.Nh5 Qd8 25.Bg5 f6 26.Nxf6+ Bxf6 27.exf6 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.16"]
[Round "9"]
[White "Goldstern, Filip"]
[Black "De Boer, Gert Jan"]
[Result "1/2-1/2"]
[WhiteElo "2310"]
[BlackElo "2430"]
[EventDate "1986.06.06"]
[PlyCount "54"]
[ECO "B19"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7
9.Bd3 Bxd3 10.Qxd3 e6 11.Bd2 Ngf6 12.O-O-O Be7 13.Ne4 O-O 14.Nxf6+ Nxf6 
15.Kb1 c5 16.Be3 Rc8 17.dxc5 Qxd3 18.Rxd3 Bxc5 19.Ne5 Bxe3 20.Rxe3 Rfd8 
21.Kc1 Rc5 22.g4 Nd5 23.Re4 f5 24.gxf5 Nf6 25.Re3 exf5 26.Nd3 Rc4 27.Rf3 
Rdd4 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.16"]
[Round "9"]
[White "Ligterink, Gert"]
[Black "Kuijf, Marinus"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2420"]
[EventDate "1986.06.06"]
[PlyCount "59"]
[ECO "D43"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 h6 6.Bh4 dxc4 7.e4 g5 8.Bg3 b5 9.
Be2 b4 10.Na4 Nxe4 11.Be5 Rg8 12.Bxc4 g4 13.Nd2 Nxd2 14.Qxd2 Nd7 15.Bf4 
Qa5 16.Nc5 Nxc5 17.dxc5 Bxc5 18.Rd1 Be7 19.O-O h5 20.Rfe1 h4 21.Re5 Qb6 
22.Qd3 a5 23.Qh7 Rf8 24.Bh6 g3 25.Bxf8 Qxf2+ 26.Kh1 h3 27.Qxh3 Bxf8 28.Rf1
Qd4 29.Qh5 Bd6 30.Qh8+ 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.16"]
[Round "9"]
[White "Peelen, Piet"]
[Black "Van der Sterren, Paul"]
[Result "0-1"]
[WhiteElo "2400"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "80"]
[ECO "C99"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Bb7 14.Nf1 Rac8 15.Ne3 
Nxe4 16.Nf5 Qxc2 17.Nxe7+ Kh8 18.Nxc8 Qxf2+ 19.Kh2 Qg3+ 20.Kg1 Qf2+ 21.Kh2
Qg3+ 22.Kg1 Nf2 23.Qe2 Nxh3+ 24.Kf1 Rxc8 25.dxe5 Be4 26.Be3 dxe5 27.Rad1 
Nc4 28.Bc1 Bc6 29.b3 e4 30.Ng1 Nxg1 31.Kxg1 Ne5 32.Qe3 Nf3+ 33.Kf1 b4 34.
Re2 Bb5 35.Qxe4 Bxe2+ 36.Qxe2 Nh2+ 37.Kg1 Ng4 38.Qxa6 Qh2+ 39.Kf1 Qh1+ 40.
Ke2 Qxg2+ 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.16"]
[Round "9"]
[White "Ree, Hans"]
[Black "Douven, Rudy"]
[Result "0-1"]
[WhiteElo "2455"]
[BlackElo "2380"]
[EventDate "1986.06.06"]
[PlyCount "80"]
[ECO "A53"]

1.d4 Nf6 2.c4 d6 3.Nf3 Nbd7 4.Nc3 c6 5.Bg5 h6 6.Bh4 g5 7.Bg3 Nh5 8.e3 Bg7 
9.Be2 Nxg3 10.hxg3 a6 11.Qc2 Nf8 12.Nd2 b5 13.g4 Bd7 14.f3 Ne6 15.O-O-O c5
16.Nb3 cxd4 17.Nxd4 Nxd4 18.exd4 Rc8 19.Qb3 Be6 20.d5 Bd7 21.cxb5 axb5 22.
Kb1 b4 23.Ne4 O-O 24.Rc1 Ra8 25.Bc4 Qa5 26.Qe3 b3 27.Bxb3 Rfb8 28.Nc3 Rb7 
29.Qd3 Rb4 30.Rhe1 Bb5 31.Nxb5 Qxa2+ 32.Kc2 Qxb2+ 33.Kd1 Rxb3 34.Qf5 Rxb5 
35.Rxe7 Qd4+ 36.Ke1 Qg1+ 37.Kd2 Rb2+ 38.Rc2 Qd4+ 39.Ke2 Rxc2+ 40.Qxc2 Qxd5
0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.16"]
[Round "9"]
[White "Scheeren, Peter"]
[Black "Gelpke, Peter"]
[Result "1/2-1/2"]
[WhiteElo "2455"]
[BlackElo "2385"]
[EventDate "1986.06.06"]
[PlyCount "120"]
[ECO "E69"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 d6 5.O-O O-O 6.c4 Nbd7 7.Nc3 e5 8.e4 Re8 
9.h3 exd4 10.Nxd4 Nc5 11.Re1 a5 12.Qc2 a4 13.Be3 c6 14.Rad1 Qa5 15.Bf4 Bf8
16.Kh2 Be6 17.Nxe6 Rxe6 18.Bd2 Qb6 19.Rb1 Rae8 20.f3 Qa6 21.b4 axb3 22.
axb3 Qb6 23.b4 Ncd7 24.f4 Qc7 25.Qd3 h5 26.Kh1 Rd8 27.Be3 Ree8 28.Rbc1 Bg7
29.Qc2 Nf8 30.Rcd1 N6d7 31.Rd3 h4 32.gxh4 Nf6 33.Qf2 Qe7 34.Red1 Ra8 35.c5
dxc5 36.e5 Nh5 37.bxc5 f6 38.exf6 Bxf6 39.Ne4 Bxh4 40.Qb2 Ng3+ 41.Nxg3 
Bxg3 42.Rf1 Qf7 43.Rb3 Re7 44.Bd4 Bh4 45.Be5 Ne6 46.Rb4 Nxc5 47.f5 g5 48.
Rxh4 gxh4 49.Qd4 Rxe5 50.Qxe5 Nd7 51.Qd4 Nf6 52.Rg1 Kh8 53.Bf3 Rg8 54.Rb1 
Rg7 55.Qxh4+ Nh7 56.Qd8+ Qf8 57.Rd1 Rg8 58.Qd7 Rg7 59.Qd3 Qf6 60.Bg2 Rf7 
1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.16"]
[Round "9"]
[White "Van der Wiel, John"]
[Black "Boersma, Paulus"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2405"]
[EventDate "1986.06.06"]
[PlyCount "178"]
[ECO "B11"]

1.e4 c6 2.Nc3 d5 3.Nf3 dxe4 4.Nxe4 Nf6 5.Qe2 Nxe4 6.Qxe4 Nd7 7.Bc4 Nf6 8.
Ne5 e6 9.Qe2 Be7 10.O-O O-O 11.a4 c5 12.Ra3 Nd7 13.Rh3 Nxe5 14.Qxe5 g6 15.
Rd3 Qb6 16.b3 Rd8 17.Rxd8+ Bxd8 18.Ba3 Be7 19.d4 Qd6 20.Qxd6 Bxd6 21.Bxc5 
Bxc5 22.dxc5 Kf8 23.Rd1 Ke7 24.f4 Bd7 25.Bb5 Be8 26.Bxe8 Rxe8 27.a5 Rc8 
28.b4 Rc6 29.c3 h6 30.g3 g5 31.Kf2 g4 32.Ke2 h5 33.Kd3 a6 34.Ke4 h4 35.
gxh4 Rc8 36.h3 f5+ 37.Ke3 Rg8 38.Rh1 Kf6 39.h5 g3 40.Rg1 e5 41.h6 Rg6 42.
fxe5+ Kxe5 43.Kf3 Rxh6 44.Re1+ Kd5 45.Kxg3 f4+ 46.Kxf4 Rxh3 47.Re7 Kc6 48.
Re6+ Kc7 49.Re3 Rh1 50.Ke4 Rd1 51.Rd3 Rc1 52.Kd5 Rc2 53.Kc4 Rb2 54.Rd6 Rh2
55.Kb3 Rh3 56.Kc2 Rh2+ 57.Rd2 Rh4 58.Rd3 Rh2+ 59.Kb3 Rh1 60.Rd2 Rh3 61.Kb2
Rh4 62.Rc2 Kc6 63.Rf2 Rg4 64.Rf3 Rh4 65.Kc2 Rh2+ 66.Kd3 Rh1 67.c4 Rb1 68.
Rf6+ Kc7 69.Rb6 Rh1 70.c6 bxc6 71.Rxa6 Kb7 72.Rb6+ Kc7 73.b5 cxb5 74.cxb5 
Rh3+ 75.Ke4 Rh5 76.Kf3 Rf5+ 77.Kg4 Re5 78.Rc6+ Kd7 79.Rb6 Kc7 80.Kf4 Rd5 
81.Ke3 Rh5 82.Ke4 Rh4+ 83.Kf5 Rh5+ 84.Kg6 Rc5 85.Kf7 Rh5 86.Rc6+ Kd7 87.a6
Rxb5 88.a7 Ra5 89.Re6 Kc7 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.17"]
[Round "10"]
[White "Boersma, Paulus"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "33"]
[ECO "A33"]

1.Nf3 c5 2.c4 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nf6 6.g3 Bc5 7.Nb3 Be7 8.Bg2 
b6 9.O-O Bb7 10.Nd5 O-O 11.Nxe7+ Qxe7 12.Bg5 Rfd8 13.Nd2 d5 14.cxd5 exd5 
15.a3 h6 16.Bxf6 Qxf6 17.b4 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.17"]
[Round "10"]
[White "De Boer, Gert Jan"]
[Black "Kuijf, Marinus"]
[Result "0-1"]
[WhiteElo "2430"]
[BlackElo "2420"]
[EventDate "1986.06.06"]
[PlyCount "82"]
[ECO "A07"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 Bf5 4.O-O e6 5.b3 Be7 6.Bb2 h6 7.c4 O-O 8.d3 c5 9.
cxd5 exd5 10.d4 Nc6 11.dxc5 Bxc5 12.Nc3 Re8 13.Rc1 Bb4 14.e3 Qd7 15.Nb5 
Ne4 16.Nbd4 Nxd4 17.Qxd4 Bf8 18.Ne5 Qd6 19.Nd3 Nf6 20.Nf4 Be4 21.Rfd1 Rad8
22.Qxa7 Ra8 23.Qxb7 Rxa2 24.Bxe4 Nxe4 25.Rxd5 Qb8 26.Qxb8 Rxb8 27.Be5 Rxb3
28.Rd8 Rxf2 29.Bd6 Rbb2 30.Bxf8 Kh7 31.Be7 f6 32.h4 h5 33.Rd7 Rf3 34.Nxh5 
Nxg3 35.Nxg3 Rxg3+ 36.Kh1 Rh3+ 37.Kg1 Rg3+ 38.Kf1 Rf3+ 39.Kg1 Rg3+ 40.Kf1 
Rf3+ 41.Ke1 Rh3 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.17"]
[Round "10"]
[White "Douven, Rudy"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2380"]
[BlackElo "2555"]
[EventDate "1986.06.06"]
[PlyCount "136"]
[ECO "E15"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 c6 8.Bc3 d5 
9.Nbd2 Nbd7 10.O-O c5 11.cxd5 Nxd5 12.Bb2 O-O 13.Nc4 Rc8 14.e4 N5f6 15.d5 
b5 16.Nce5 exd5 17.exd5 Nb8 18.Nh4 c4 19.bxc4 bxc4 20.Bc3 Nfd7 21.Ng4 Bxh4
22.gxh4 Qxh4 23.Re1 Rfe8 24.Qd4 f6 25.d6 Rxe1+ 26.Rxe1 Kf8 27.Re7 Rc5 28.
Qe4 Qh5 29.Rxd7 Nxd7 30.Qe7+ Kg8 31.Qxd7 Bb5 32.Qd8+ Qe8 33.Qxe8+ Bxe8 34.
Ne3 Bd7 35.Bd5+ Kf8 36.f4 Ke8 37.Bd4 Ra5 38.Bxc4 Ra4 39.Kf2 a6 40.Bc5 Bb5 
41.Bb3 Rxf4+ 42.Kg3 Re4 43.Nd5 h5 44.Ne7 Kd7 45.Bc2 Rc4 46.Bf5+ Ke8 47.Bb6
h4+ 48.Kf3 Bd7 49.Bg6+ Kf8 50.Be4 Rc3+ 51.Be3 Ra3 52.Bd5 Rd3 53.Ke4 Rd1 
54.Ng6+ Ke8 55.Nxh4 Ba4 56.Bb7 Bc2+ 57.Kf3 Rxd6 58.Ng2 Ba4 59.Bc5 Bc6+ 60.
Bxc6+ Rxc6 61.Bb4 Rc2 62.a3 Rb2 63.h4 Kf7 64.h5 a5 65.Bxa5 Rb3+ 66.Ne3 
Rxa3 67.Bc7 Rb3 68.Bf4 Rb1 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.17"]
[Round "10"]
[White "Gelpke, Peter"]
[Black "Peelen, Piet"]
[Result "1-0"]
[WhiteElo "2385"]
[BlackElo "2400"]
[EventDate "1986.06.06"]
[PlyCount "65"]
[ECO "D82"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5 7.Rc1 Ne4 8.cxd5 
Nxc3 9.Qd2 Qxa2 10.bxc3 Qa5 11.Bc4 Nd7 12.Nf3 O-O 13.O-O Qxc5 14.Ba2 Nf6 
15.Be5 b5 16.c4 Ne4 17.Qb2 Bxe5 18.Qxe5 Nf6 19.cxb5 Qxb5 20.Qxe7 Nxd5 21.
Qe5 Bb7 22.Rb1 Qa5 23.Bc4 Rae8 24.Qg5 Qc5 25.Rfc1 Ba8 26.Bb5 Qe7 27.Bxe8 
Rxe8 28.Qxe7 Nxe7 29.Ra1 Bxf3 30.gxf3 g5 31.Rxa7 Ng6 32.Rcc7 Rf8 33.Kg2 
1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.17"]
[Round "10"]
[White "Goldstern, Filip"]
[Black "Scheeren, Peter"]
[Result "0-1"]
[WhiteElo "2310"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "62"]
[ECO "C26"]

1.e4 e5 2.Nc3 Nf6 3.g3 Bc5 4.Bg2 Nc6 5.d3 d6 6.h3 Qe7 7.Bg5 Be6 8.Nd5 Bxd5
9.exd5 Nb8 10.Ne2 Nbd7 11.O-O h6 12.Bd2 O-O 13.Re1 Rae8 14.b4 Bb6 15.a4 a6
16.a5 Ba7 17.c4 Nh7 18.Rc1 h5 19.Nc3 h4 20.g4 f5 21.gxf5 Rxf5 22.Be3 Bxe3 
23.fxe3 Ndf6 24.Rf1 Rg5 25.Qe1 e4 26.d4 Rg3 27.Rf4 Ng5 28.Kh2 Nf3+ 29.Bxf3
exf3 30.Rxh4 Rg2+ 31.Kh1 g5 0-1

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.17"]
[Round "10"]
[White "Van der Sterren, Paul"]
[Black "Ree, Hans"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2455"]
[EventDate "1986.06.06"]
[PlyCount "107"]
[ECO "A65"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 d6 5.e4 Bg7 6.f3 O-O 7.Bg5 h6 8.Be3 e6 9.
Qd2 exd5 10.cxd5 Re8 11.Nge2 Nbd7 12.Nc1 Ne5 13.Be2 Nh7 14.O-O h5 15.Rb1 
f5 16.b4 c4 17.Bd1 Nf6 18.Bc2 fxe4 19.fxe4 Nfg4 20.Bf4 Rf8 21.h3 Qb6+ 22.
Kh1 Ne3 23.Rf2 Nxc2 24.Na4 Qd4 25.Qxc2 Nd3 26.Nxd3 cxd3 27.Qd2 Qxe4 28.Re1
Qxd5 29.Nc3 Qc6 30.Ne4 Bf5 31.b5 Qd5 32.Nxd6 Bxh3 33.Re7 Bf6 34.Re3 Bg4 
35.Rxd3 Qe6 36.Re3 Qd7 37.Qc2 Kh7 38.Rd2 Bg7 39.Bg5 Bf5 40.Qd1 Qc7 41.Re7 
Qc3 42.Be3 Bg4 43.Qe1 Kg8 44.Rxb7 Be5 45.Qb1 Bf5 46.Qb3+ Qxb3 47.axb3 Bc8 
48.Re7 Rf1+ 49.Bg1 Bf4 50.Re8+ Kg7 51.Rd3 Rc1 52.Rc3 Rxc3 53.Bd4+ Kh6 54.
Nf7+ 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.19"]
[Round "11"]
[White "Kuijf, Marinus"]
[Black "Boersma, Paulus"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2405"]
[EventDate "1986.06.06"]
[PlyCount "21"]
[ECO "B47"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.g3 a6 7.Bg2 Nf6 8.O-O 
Nxd4 9.Qxd4 Bc5 10.Bf4 d6 11.Qd2 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.19"]
[Round "11"]
[White "Ligterink, Gert"]
[Black "Douven, Rudy"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2380"]
[EventDate "1986.06.06"]
[PlyCount "51"]
[ECO "A55"]

1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.Nf3 c6 5.e4 e5 6.Be2 Be7 7.O-O O-O 8.Qc2 Qc7
9.Bg5 Re8 10.Rfd1 a6 11.Rac1 b6 12.h3 Bb7 13.a3 Bf8 14.dxe5 dxe5 15.b4 Be7
16.Be3 Rab8 17.Qb3 h6 18.c5 bxc5 19.Bc4 Rf8 20.Nh4 cxb4 21.Ng6 bxc3 22.
Nxe7+ Kh7 23.Bxf7 c5 24.Bg6+ Kh8 25.Qe6 Nb6 26.Bf5 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.19"]
[Round "11"]
[White "Peelen, Piet"]
[Black "Goldstern, Filip"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2310"]
[EventDate "1986.06.06"]
[PlyCount "125"]
[ECO "B40"]

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.g3 b5 5.Bg2 Bb7 6.d3 d6 7.O-O Nd7 8.Be3 Ngf6 
9.Nh4 Qc7 10.Qe2 Be7 11.f4 O-O-O 12.f5 e5 13.a4 b4 14.Nb1 d5 15.Nd2 d4 16.
Bg5 a5 17.b3 h6 18.Bxf6 Bxf6 19.Nhf3 Bg5 20.Nxg5 hxg5 21.Nf3 g4 22.Nd2 Nf6
23.Rf2 Rh5 24.Bf1 Rdh8 25.Qd1 Ba6 26.Be2 Rg5 27.Qc1 Rh3 28.Nc4 Bb7 29.Qe1 
Kd7 30.Nb2 Kd6 31.Rd1 Ba6 32.Rd2 Qd8 33.Nd1 Qh8 34.Bf1 Rh6 35.Rg2 Rgh5 36.
Rdf2 Kc7 37.Be2 Rh3 38.Qd2 Kd6 39.Qg5 R3h5 40.Qd2 Rh3 41.Nb2 R6h5 42.Qd1 
Rg5 43.Qc1 Rgh5 44.Qd2 Kc7 45.Bf1 Kb6 46.Qe1 Rg5 47.Rd2 Kc7 48.Nd1 Rh6 49.
Rdf2 Kb6 50.Be2 Rh3 51.Bf1 Rgh5 52.Re2 Rh6 53.Rd2 R3h5 54.Qf2 Bb7 55.Nb2 
Ba6 56.Kh1 Qa8 57.Re2 Qh8 58.Rd2 Qa8 59.Qe1 Qh8 60.Kg1 Kc7 61.Qd1 Rh3 62.
Qe2 Kb6 63.Nd1 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.19"]
[Round "11"]
[White "Ree, Hans"]
[Black "Gelpke, Peter"]
[Result "1-0"]
[WhiteElo "2455"]
[BlackElo "2385"]
[EventDate "1986.06.06"]
[PlyCount "91"]
[ECO "A24"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 d6 5.e4 O-O 6.Nge2 e5 7.O-O c6 8.d3 Nh5 
9.Be3 Be6 10.h3 Nd7 11.Qd2 f5 12.exf5 gxf5 13.f4 Qe8 14.Kh2 Kh8 15.b3 Qg6 
16.d4 e4 17.d5 cxd5 18.cxd5 Bg8 19.Rg1 Nhf6 20.Rac1 Nb6 21.Bd4 Nbxd5 22.
Nb5 Qh6 23.Rgd1 Rfd8 24.Nec3 Nxc3 25.Bxc3 d5 26.Bf1 Qg6 27.Be5 a6 28.Nd4 
Rac8 29.Qb4 Nh5 30.Bxg7+ Qxg7 31.Nxf5 Qf6 32.Qd4 Rc6 33.Rxc6 bxc6 34.Rc1 
Rc8 35.Bxa6 Rc7 36.b4 Be6 37.Qxf6+ Nxf6 38.Nd4 Bd7 39.Nb5 Ne8 40.Nxc7 Nxc7
41.Bf1 d4 42.Rd1 d3 43.Bxd3 exd3 44.Rxd3 Be6 45.Rd6 Bxa2 46.Rxc6 1-0

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.19"]
[Round "11"]
[White "Scheeren, Peter"]
[Black "De Boer, Gert Jan"]
[Result "1/2-1/2"]
[WhiteElo "2455"]
[BlackElo "2430"]
[EventDate "1986.06.06"]
[PlyCount "122"]
[ECO "D76"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d5 5.cxd5 Nxd5 6.Nf3 O-O 7.O-O Nc6 8.Nc3 
Nb6 9.e3 e5 10.d5 Ne7 11.e4 Bg4 12.a4 c6 13.a5 Nc4 14.Qa4 b5 15.axb6 Nxb6 
16.Qb4 cxd5 17.exd5 Qd7 18.Ng5 Rac8 19.Be3 Rc4 20.Qa5 Nf5 21.Bxb6 axb6 22.
Qxb6 Nd4 23.f3 Bf5 24.Ra7 Qc8 25.Nge4 Nc2 26.Nd6 Qc5+ 27.Qxc5 Rxc5 28.Nxf5
gxf5 29.Rb7 Ne3 30.Re1 Nxd5 31.Nxd5 Rxd5 32.Bh3 e4 33.fxe4 fxe4 34.Rxe4 
Rd2 35.Ree7 Bxb2 36.Bf1 Bd4+ 37.Kh1 Rf2 38.Bc4 Ra8 39.Bxf7+ Kf8 40.Re8+ 
Rxe8 41.Bxe8 Kxe8 42.Rxh7 Kf8 43.Rd7 Be5 44.Kg1 Rb2 45.Kh1 Bf6 46.Rc7 Be7 
47.Rc4 Kf7 48.Rf4+ Bf6 49.Re4 Kg6 50.Kg1 Rd2 51.Rg4+ Kf5 52.Rf4+ Ke6 53.
Re4+ Be5 54.Kh1 Kf5 55.Rh4 Ke6 56.Re4 Kd5 57.Rg4 Bd4 58.Rf4 Kc4 59.Rf8 Kd3
60.Rf7 Ra2 61.Rf5 Be3 1/2-1/2

[Event "42nd NED-ch"]
[Site "Hilversum NED"]
[Date "1986.06.19"]
[Round "11"]
[White "Van der Wiel, John"]
[Black "Van der Sterren, Paul"]
[Result "1-0"]
[WhiteElo "2555"]
[BlackElo "2470"]
[EventDate "1986.06.06"]
[PlyCount "85"]
[ECO "C54"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.Bg5 d6 6.c3 h6 7.Bh4 g5 8.Bg3 Bg4 
9.Nbd2 a6 10.Qe2 Qd7 11.h4 Nh5 12.hxg5 hxg5 13.b4 Ba7 14.b5 axb5 15.Bxb5 
Ke7 16.Qf1 Bb6 17.Nxg5 Nb4 18.cxb4 Qxb5 19.Rh4 Bd7 20.Qe2 Nf4 21.Qf3 f6 
22.Nh7 Qxd3 23.Bxf4 Qxf3 24.Nxf3 exf4 25.Rh6 Be6 26.Nh4 Bf7 27.Nf5+ Kd8 
28.Ng5 fxg5 29.Rxh8+ Be8 30.Ng7 Kd7 31.Nxe8 Rxe8 32.Rxe8 Kxe8 33.Ke2 Kf7 
34.a4 Ke6 35.f3 Ke5 36.Kd3 Bf2 37.b5 d5 38.exd5 Kxd5 39.a5 Be3 40.g4 Bf2 
41.a6 bxa6 42.bxa6 Ba7 43.Rb1 1-0
