[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.02"]
[Round "1"]
[White "Gulko, Boris"]
[Black "Chernin, Alexander"]
[Result "1/2-1/2"]
[WhiteElo "2565"]
[BlackElo "2580"]
[ECO "E15"]
[EventDate "1987.08.02"]
[PlyCount "38"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4 Bb7 6.Bg2 Be7 7.O-O O-O 8.Nc3 Ne4
9.Nxe4 Bxe4 10.Ne1 Bxg2 11.Nxg2 Nc6 12.d5 Nd4 13.Qd1 Bf6 14.Bd2 exd5 15.
Bc3 Nf5 16.cxd5 Re8 17.Qd3 Nd6 18.Rac1 Ne4 19.Bxf6 Qxf6 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.02"]
[Round "1"]
[White "Van der Wiel, John"]
[Black "Chandler, Murray Graham"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2575"]
[ECO "B45"]
[EventDate "1987.08.02"]
[PlyCount "90"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4
Qc7 9.f4 Qb6 10.Bd3 Ba6 11.Bxa6 Qxa6 12.Qe2 Qxe2+ 13.Kxe2 f5 14.Nf2 Rb8 
15.c4 Nb4 16.b3 Bc5 17.Rd1 a5 18.Bd2 Ke7 19.Nd3 Nxd3 20.Kxd3 Ra8 21.Rab1 
Rhb8 22.h3 Rb7 23.g4 Kf7 24.Be3 Be7 25.Kc2 h6 26.a4 Rg8 27.Rg1 g6 28.Bd2 
Bb4 29.Bxb4 Rxb4 30.Rbd1 Rb7 31.Rd3 fxg4 32.hxg4 Rf8 33.f5 gxf5 34.gxf5 
exf5 35.Rd6 Ke7 36.Rg7+ Rf7 37.Rxf7+ Kxf7 38.Rxh6 Ke7 39.Rf6 Rb8 40.Rxf5 
Ke6 41.Rh5 Rg8 42.Kc3 Rg3+ 43.Kd4 Rxb3 44.Rh6+ Ke7 45.Rh7+ Ke6 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.02"]
[Round "1"]
[White "Zapata Ramirez, Alonso"]
[Black "Timman, Jan"]
[Result "0-1"]
[WhiteElo "2510"]
[BlackElo "2630"]
[ECO "B04"]
[EventDate "1987.08.02"]
[PlyCount "71"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 Bg7 7.Ng5 e6 8.f4 dxe5 
9.fxe5 c5 10.O-O O-O 11.c3 cxd4 12.cxd4 Nc6 13.Nf3 f6 14.exf6 Qxf6 15.Be3 
Nd5 16.Bf2 Nf4 17.Nc3 Nh3+ 18.gxh3 Qxf3 19.d5 Qxd1 20.Raxd1 exd5 21.Bxd5+ 
Kh8 22.Kg2 Bf5 23.Rfe1 Bxh3+ 24.Kxh3 Rxf2 25.Ne4 Rxb2 26.Nd6 Ne5 27.Nxb7 
Rc8 28.Rc1 Rf8 29.Rf1 Rxf1 30.Rxf1 h5 31.Rg1 Nd3 32.Kg3 Rf2 33.Rg2 Be5+ 
34.Kh4 Rf4+ 35.Kh3 Rd4 36.Bc6 0-1

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.03"]
[Round "2"]
[White "Gulko, Boris"]
[Black "Zapata Ramirez, Alonso"]
[Result "1-0"]
[WhiteElo "2565"]
[BlackElo "2510"]
[ECO "A53"]
[EventDate "1987.08.02"]
[PlyCount "78"]

1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.g3 e5 5.Bg2 Be7 6.e3 O-O 7.Nge2 Re8 8.O-O c6
9.b3 Nf8 10.Qc2 Bd7 11.Bb2 Qc8 12.Rad1 Bh3 13.f3 Ng6 14.e4 h5 15.Bc1 Bxg2 
16.Kxg2 h4 17.Be3 Nh7 18.Qd2 Bd8 19.g4 Ngf8 20.h3 a6 21.c5 dxc5 22.dxe5 
Rxe5 23.f4 Re8 24.Bxc5 Ne6 25.Be3 Ba5 26.Qd7 Nc7 27.Qxc8 Raxc8 28.Kf3 Rcd8
29.g5 Nf8 30.Na4 Ng6 31.Nc5 Rb8 32.Nd4 Ne7 33.Nc2 Na8 34.Rd7 Bc7 35.f5 Nc8
36.Rxc7 Nxc7 37.Bf4 Re7 38.f6 gxf6 39.gxf6 Re6 1-0

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.03"]
[Round "2"]
[White "Chernin, Alexander"]
[Black "Chandler, Murray Graham"]
[Result "1/2-1/2"]
[WhiteElo "2580"]
[BlackElo "2575"]
[ECO "D17"]
[EventDate "1987.08.02"]
[PlyCount "110"]

1.d4 d5 2.Nf3 Nf6 3.c4 dxc4 4.Nc3 c6 5.a4 Bf5 6.Ne5 e6 7.f3 Bb4 8.Bg5 h6 
9.Bh4 c5 10.dxc5 Qa5 11.Nxc4 Bxc3+ 12.bxc3 Qxc3+ 13.Nd2 Bc2 14.Qc1 Na6 15.
Bf2 O-O 16.e4 Rfd8 17.Ra3 Qb4 18.Bxa6 bxa6 19.Be3 Rd3 20.Rxd3 Bxd3 21.Kf2 
Rc8 22.Qa1 Rxc5 23.Qd4 Qxd4 24.Bxd4 Rc2 25.Ke3 Bc4 26.Rb1 Nd7 27.Rb7 e5 
28.Nxc4 Rxc4 29.Rxd7 exd4+ 30.Rxd4 Rc3+ 31.Kf4 Ra3 32.h4 g6 33.h5 gxh5 34.
Rd6 Rxa4 35.Rxh6 Ra5 36.g3 Kg7 37.Rc6 Ra1 38.Rc7 Kg6 39.Rxa7 Ra4 40.Ke5 
Ra5+ 41.Kd6 Ra3 42.f4 Rxg3 43.Ke7 Rb3 44.f5+ Kg7 45.e5 h4 46.e6 fxe6 47.
f6+ Kg6 48.f7 Rf3 49.f8=Q Rxf8 50.Kxf8 h3 51.Rxa6 Kg5 52.Rxe6 h2 53.Re1 
Kg4 54.Rh1 Kg3 55.Rxh2 Kxh2 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.03"]
[Round "2"]
[White "Timman, Jan"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2630"]
[BlackElo "2550"]
[ECO "D55"]
[EventDate "1987.08.02"]
[PlyCount "121"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bxf6 Bxf6 8.Qc2 c5
9.dxc5 dxc4 10.Ne4 Nd7 11.c6 Qa5+ 12.Nfd2 c3 13.Nxc3 Bxc3 14.Qxc3 Qxc3 15.
bxc3 bxc6 16.Ne4 Nb6 17.O-O-O e5 18.Nc5 Be6 19.a4 Rad8 20.Ba6 Rd5 21.Rxd5 
cxd5 22.a5 Na8 23.Bb7 Nc7 24.Rd1 Rb8 25.e4 dxe4 26.Bxe4 g6 27.Nxe6 Nxe6 
28.Rd5 Rc8 29.Rxe5 Rxc3+ 30.Kb2 Rc5 31.Rxc5 Nxc5 32.Bd5 Nd3+ 33.Kc3 Nxf2 
34.Kc4 Kf8 35.Kb5 Nd3 36.Be4 Ne5 37.Ka6 f5 38.Bf3 Nc4 39.Be2 Nxa5 40.Kxa5 
Ke7 41.Ba6 Kd6 42.Kb4 Kd5 43.Kc3 Ke4 44.Kd2 h5 45.Ke2 h4 46.Kf2 Kf4 47.Bb5
a5 48.Be8 g5 49.Bc6 Ke5 50.Ke3 f4+ 51.Kf3 h3 52.g3 g4+ 53.Kf2 Kf5 54.Ba4 
Kg5 55.Bd7 fxg3+ 56.hxg3 Kh5 57.Bc6 Kg5 58.Ke3 Kf6 59.Kf2 Ke6 60.Ba4 Kf6 
61.Bd7 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.04"]
[Round "3"]
[White "Van der Wiel, John"]
[Black "Gulko, Boris"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2565"]
[ECO "C45"]
[EventDate "1987.08.02"]
[PlyCount "43"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4 a5 7.Nc3 d6 8.Nd5 
Ba7 9.Bb5 Bd7 10.O-O Ne5 11.Bd2 Nf6 12.Bxa5 Nxd5 13.exd5 Bxb5 14.axb5 O-O 
15.Bc3 Qg5 16.Rxa7 Rxa7 17.f4 Qh6 18.Qd4 Ng4 19.h3 Raa8 20.hxg4 Rfe8 21.
Nd2 Re2 22.Ne4 1-0

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.04"]
[Round "3"]
[White "Chandler, Murray Graham"]
[Black "Timman, Jan"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2630"]
[ECO "C16"]
[EventDate "1987.08.02"]
[PlyCount "105"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 b6 5.a3 Bf8 6.Nf3 Qd7 7.Bb5 c6 8.Ba4 Ba6 9.
Ne2 Bb5 10.Bb3 c5 11.c3 Nc6 12.O-O Nge7 13.Re1 O-O-O 14.Bc2 Ng6 15.Ng3 Kb7
16.h4 h6 17.h5 Nge7 18.Be3 c4 19.Nh4 Rg8 20.Qg4 Na5 21.f4 f5 22.exf6 gxf6 
23.Bg6 Qd6 24.f5 e5 25.Re2 Nec6 26.Nf3 Ba4 27.Rae1 Qc7 28.dxe5 fxe5 29.f6 
d4 30.cxd4 exd4 31.Bf4 Bd6 32.Bxd6 Qxd6 33.Nf5 Qxf6 34.Re6 Qh8 35.Nd6+ Ka6
36.Nf7 Qg7 37.Nxd8 Rxd8 38.b4 Nb3 39.Ne5 Nxe5 40.R6xe5 Qc7 41.Qf4 Qc8 42.
Bf5 Bd7 43.b5+ Ka5 44.Bc2 Bxb5 45.a4 Kxa4 46.Qd2 c3 47.Bxb3+ Kb4 48.Qa2 
Qa6 49.Qb1 Bc4 50.Bc2+ Ka3 51.Qa1+ Ba2 52.Rb1 Qc4 53.Reb5 1-0

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.04"]
[Round "3"]
[White "Zapata Ramirez, Alonso"]
[Black "Chernin, Alexander"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2580"]
[ECO "C07"]
[EventDate "1987.08.02"]
[PlyCount "117"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd6 7.O-O Nf6 8.Nb3
Nc6 9.Nbxd4 Nxd4 10.Nxd4 a6 11.a4 Qc7 12.Qe2 Bd7 13.c3 Bd6 14.h3 O-O 15.
Re1 Rac8 16.Bb3 e5 17.Nc2 Qb6 18.Ba2 Bb8 19.a5 Qb5 20.Qxb5 Bxb5 21.Bg5 Bc7
22.Bxf6 gxf6 23.Bd5 Rb8 24.Ne3 Rfd8 25.Red1 Be2 26.Rd2 Bh5 27.b4 Bg6 28.
Rad1 e4 29.Bb3 Rxd2 30.Rxd2 Be5 31.Nd5 Kg7 32.c4 f5 33.g3 h5 34.h4 Rd8 35.
Rd1 f6 36.f4 exf3 37.Kf2 Bf7 38.Ne3 Rxd1 39.Bxd1 Bc3 40.Bxf3 Bxb4 41.Bxb7 
f4 42.gxf4 Bxa5 43.Bxa6 Bb6 44.Kf3 Be6 45.Ke4 Kf8 46.Nc2 Bf2 47.f5 Bd7 48.
Bb5 Bc8 49.Nb4 Bb7+ 50.Kd3 Bg2 51.Ke2 Bxh4 52.c5 Bg3 53.Bc6 Bxc6 54.Nxc6 
Ke8 55.Kf3 Be1 56.Nd4 Kd7 57.Ne2 Kc6 58.Nf4 Bc3 59.Nxh5 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.05"]
[Round "4"]
[White "Timman, Jan"]
[Black "Gulko, Boris"]
[Result "1-0"]
[WhiteElo "2630"]
[BlackElo "2565"]
[ECO "C78"]
[EventDate "1987.08.02"]
[PlyCount "53"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5 5.Nxe5 Nxe5 6.d4 a6 7.Ba4 Nxe4 8.Qe2
Be7 9.Qxe4 Ng6 10.f4 O-O 11.f5 d5 12.Qd3 Nh4 13.g3 c5 14.dxc5 Bxc5+ 15.Kh1
Nxf5 16.Rxf5 Bxf5 17.Qxf5 Qe7 18.Nc3 Qe1+ 19.Kg2 b5 20.Bb3 b4 21.Nxd5 Rae8
22.Be3 Qxa1 23.Bxc5 Re2+ 24.Kh3 Qe1 25.Bxb4 Qf2 26.Ne7+ Kh8 27.Ng6+ 1-0

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.05"]
[Round "4"]
[White "Chandler, Murray Graham"]
[Black "Zapata Ramirez, Alonso"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2510"]
[ECO "B47"]
[EventDate "1987.08.02"]
[PlyCount "153"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.f4 Qc7 7.Be2 Nxd4 8.Qxd4 
b5 9.Be3 Ne7 10.O-O Nc6 11.Qd3 Be7 12.e5 Bb7 13.Rad1 Rc8 14.a3 Na5 15.Kh1 
Nc4 16.Bc1 Bc6 17.Ne4 O-O 18.Bf3 Rfd8 19.Nd6 Bxd6 20.exd6 Qb7 21.b3 Nb6 
22.f5 f6 23.fxe6 dxe6 24.Qe2 Qd7 25.Bg4 Re8 26.Bb2 Bd5 27.a4 Qc6 28.Rd2 
Nd7 29.Re1 Nf8 30.Bh5 Red8 31.axb5 axb5 32.Qg4 e5 33.Ba3 Ne6 34.Red1 Nd4 
35.Bb4 Be6 36.Qg3 Qe4 37.c3 Nxb3 38.Bf3 Qc4 39.Rb2 e4 40.Be2 Qc6 41.Bg4 
Qd7 42.Bxe6+ Qxe6 43.Qe3 Ra8 44.h3 Ra6 45.Qe2 Qc4 46.Rdb1 Rc6 47.Qg4 Nc5 
48.Ba5 f5 49.Qh4 Rdxd6 50.Rxb5 Rc8 51.Rb8 Rc6 52.Qf4 Qe6 53.Bc7 Nd3 54.Qg3
Rxb8 55.Rxb8+ Kf7 56.Rb7 Nc5 57.Ra7 Ra6 58.Rxa6 Nxa6 59.Be5 g5 60.c4 h6 
61.Qc3 Nc5 62.Bd4 Nd7 63.h4 f4 64.c5 Nb8 65.Bh8 Kg6 66.Qg7+ Kh5 67.hxg5 
hxg5 68.Qh7+ Qh6 69.Qf5 Nc6 70.Bf6 e3 71.Kg1 Nb4 72.Be5 e2 73.Bc3 Nc6 74.
Kf2 Nd8 75.Bf6 Nb7 76.Be7 Na5 77.Kxe2 1-0

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.05"]
[Round "4"]
[White "Van der Wiel, John"]
[Black "Chernin, Alexander"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2580"]
[ECO "C18"]
[EventDate "1987.08.02"]
[PlyCount "59"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Qg4 f5 8.Qh5+ 
Qf7 9.Qd1 Qc7 10.Nf3 Ne7 11.Be2 Bd7 12.a4 Nbc6 13.Ba3 c4 14.h4 Qa5 15.Kd2 
f4 16.Qb1 h6 17.h5 Nf5 18.Rh3 O-O-O 19.g4 fxg3 20.fxg3 Nfxd4 21.Nxd4 Nxd4 
22.Bb4 Qb6 23.a5 Nf3+ 24.Bxf3 Qf2+ 25.Be2 d4 26.Qg1 dxc3+ 27.Kxc3 Qxe2 28.
Bd6 Qf3+ 29.Kb4 Qd5 30.Qc5+ 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.06"]
[Round "5"]
[White "Gulko, Boris"]
[Black "Chandler, Murray Graham"]
[Result "1/2-1/2"]
[WhiteElo "2565"]
[BlackElo "2575"]
[ECO "D20"]
[EventDate "1987.08.02"]
[PlyCount "102"]

1.d4 d5 2.c4 dxc4 3.e4 Nf6 4.e5 Nd5 5.Bxc4 Nc6 6.Ne2 Nb6 7.Bd3 Bg4 8.f3 
Be6 9.Nbc3 Qd7 10.Ne4 Bd5 11.Nc5 Qc8 12.a3 e6 13.Qc2 Bxc5 14.Qxc5 Qd7 15.
O-O a6 16.Qc3 f5 17.exf6 gxf6 18.Bf4 O-O 19.b4 Na4 20.Qd2 Kh8 21.b5 axb5 
22.Bxb5 Rg8 23.Bg3 Qg7 24.Nf4 Qg5 25.Qf2 Ne7 26.Rfe1 Nf5 27.Bd7 Nxg3 28.
hxg3 Nb6 29.Bxe6 Bxe6 30.Rxe6 Qxg3 31.Qxg3 Rxg3 32.Rxf6 Rg7 33.Rc1 c6 34.
Rb1 Nc4 35.Ne6 Re7 36.a4 Ne3 37.Nc5 Rg8 38.Rxb7 Rxb7 39.Nxb7 Rxg2+ 40.Kh1 
Ra2 41.Nc5 Kg7 42.Rxc6 Nf5 43.d5 Nd4 44.Ne6+ Nxe6 45.Rxe6 Rxa4 46.Re7+ Kf6
47.Rxh7 Rd4 48.Rh6+ Kg5 49.Rd6 Kf4 50.Rd8 Kg3 51.Rg8+ Kxf3 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.06"]
[Round "5"]
[White "Chernin, Alexander"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2580"]
[BlackElo "2630"]
[ECO "E15"]
[EventDate "1987.08.02"]
[PlyCount "71"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 d5 8.Ne5 O-O 
9.O-O c6 10.Bc3 Nfd7 11.Nxd7 Nxd7 12.Nd2 Rc8 13.e4 b5 14.Re1 dxe4 15.Bxe4 
c5 16.d5 exd5 17.Bxd5 Bf6 18.Bxf6 Nxf6 19.cxb5 Bxb5 20.Bg2 Qa5 21.Qc2 Rfd8
22.Rad1 Bd3 23.Qb2 Qb4 24.Qc1 h6 25.Bh3 Rb8 26.Bf1 Bxf1 27.Nxf1 Ne4 28.a3 
Qb7 29.h4 Rxd1 30.Qxd1 Nc3 31.Qd3 Nb5 32.b4 Nd4 33.Nh2 Qb6 34.bxc5 Qxc5 
35.Nf3 Nxf3+ 36.Qxf3 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.06"]
[Round "5"]
[White "Zapata Ramirez, Alonso"]
[Black "Van der Wiel, John"]
[Result "0-1"]
[WhiteElo "2510"]
[BlackElo "2550"]
[ECO "B56"]
[EventDate "1987.08.02"]
[PlyCount "90"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be3 Ng4 7.Bb5 Nxe3 8.
fxe3 Bd7 9.O-O e6 10.Bxc6 bxc6 11.e5 Be7 12.exd6 Bxd6 13.Ne4 Bxh2+ 14.Kxh2
Qh4+ 15.Kg1 Qxe4 16.Qd2 e5 17.Nb3 Bg4 18.Nc5 Qd5 19.Qc3 O-O 20.Rf2 Rad8 
21.Nd3 Rfe8 22.Nb4 Qa5 23.Qb3 Be6 24.Nxc6 Qc7 25.Qc3 Rc8 26.Nxe5 Qxc3 27.
bxc3 Rxc3 28.Nd3 Ra3 29.Rf4 Rc8 30.Rd4 h6 31.Rc1 Rcc3 32.Kf2 Rxa2 33.Ne1 
a5 34.Ke2 Raa3 35.Re4 g5 36.Kd2 Kg7 37.Rb1 Rc7 38.Rd4 Ra2 39.Kc1 a4 40.
Rbb4 Ra1+ 41.Kd2 a3 42.Ra4 a2 43.Ra3 Rc4 44.Rd6 Rh4 45.Nd3 Rg1 0-1

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.08"]
[Round "6"]
[White "Chernin, Alexander"]
[Black "Gulko, Boris"]
[Result "1/2-1/2"]
[WhiteElo "2580"]
[BlackElo "2565"]
[ECO "D03"]
[EventDate "1987.08.02"]
[PlyCount "38"]

1.d4 Nf6 2.Nf3 g6 3.c3 Bg7 4.Bg5 Ne4 5.Bh4 d5 6.Nbd2 c5 7.e3 Qb6 8.Qb3 
Nxd2 9.Nxd2 Nc6 10.Be2 O-O 11.O-O e5 12.dxe5 Nxe5 13.Rfd1 Be6 14.Bg3 Rfd8 
15.Qxb6 axb6 16.Nf3 Nxf3+ 17.Bxf3 Rd7 18.a3 f5 19.h4 Bf6 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.08"]
[Round "6"]
[White "Chandler, Murray Graham"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2550"]
[ECO "B45"]
[EventDate "1987.08.02"]
[PlyCount "123"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4
Qc7 9.f4 Qb6 10.Bd3 Ba6 11.Bxa6 Qxa6 12.Qe2 Qxe2+ 13.Kxe2 f5 14.Nf2 Rb8 
15.c4 Nb4 16.b3 Bc5 17.Rd1 Rb7 18.Rd2 Bxf2 19.Kxf2 a5 20.Bb2 Ke7 21.Bd4 
Na6 22.Rad1 a4 23.bxa4 Rhb8 24.a5 Rb4 25.Bb6 Rb7 26.Rc1 Ke8 27.Rc3 Ra4 28.
Ke2 c5 29.Kd1 Nb8 30.Bxc5 Nc6 31.Bb6 Nxa5 32.Bxa5 Rxa5 33.Kc1 Ra4 34.Rb2 
Rc7 35.Rbc2 Kd8 36.g3 Rc5 37.a3 Kc7 38.Kd2 d6 39.exd6+ Kxd6 40.Kd3 Rca5 
41.Rb2 Rxa3 42.Rb7 Rxc3+ 43.Kxc3 Ra2 44.h4 g6 45.Rxh7 Rg2 46.Kd4 Rxg3 47.
c5+ Kc6 48.Re7 Rf3 49.Rxe6+ Kd7 50.Rd6+ Ke7 51.Ke5 Re3+ 52.Kd5 Rd3+ 53.Kc6
Rh3 54.Rd4 Rxh4 55.Kb7 g5 56.c6 gxf4 57.c7 Rh8 58.Rxf4 Ke6 59.Rh4 Rg8 60.
c8=Q+ Rxc8 61.Kxc8 Ke5 62.Kd7 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.08"]
[Round "6"]
[White "Timman, Jan"]
[Black "Zapata Ramirez, Alonso"]
[Result "1-0"]
[WhiteElo "2630"]
[BlackElo "2510"]
[ECO "B54"]
[EventDate "1987.08.02"]
[PlyCount "92"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 d6 6.Be3 b5 7.g4 Bb7 8.Bg2 Nd7 
9.Qe2 Rc8 10.O-O Qc7 11.a4 b4 12.Na2 Ngf6 13.Nxb4 Qc4 14.Nd3 Bxe4 15.Ra3 
Bxg2 16.Rc3 Qxc3 17.bxc3 Bxf1 18.Kxf1 d5 19.Nf4 Rc4 20.f3 h6 21.Bf2 Nc5 
22.Nxd5 Rxa4 23.Nxf6+ gxf6 24.Qd1 Nb7 25.Qb1 Nd8 26.Qb3 Ra1+ 27.Kg2 Be7 
28.c4 h5 29.c5 hxg4 30.fxg4 Bxc5 31.Qc3 Bxd4 32.Bxd4 Ra4 33.h3 e5 34.Bxe5 
O-O 35.Bxf6 Ne6 36.Kg3 a5 37.Qe3 Kh7 38.Qb3 Rf4 39.Be5 Rb4 40.Qd3+ Kg8 41.
Qe3 Kh7 42.Qf3 f5 43.gxf5 Ng7 44.f6 Kg6 45.Kh2 Nf5 46.Qg2+ Kh7 1-0

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.09"]
[Round "7"]
[White "Zapata Ramirez, Alonso"]
[Black "Gulko, Boris"]
[Result "0-1"]
[WhiteElo "2510"]
[BlackElo "2565"]
[ECO "C65"]
[EventDate "1987.08.02"]
[PlyCount "66"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5 5.Re1 Ng4 6.Re2 Nd4 7.Nxd4 Bxd4 8.h3
Nxf2 9.Rxf2 O-O 10.c3 Bxf2+ 11.Kxf2 Qf6+ 12.Ke2 Qg6 13.Qf1 Qxe4+ 14.Kd1 d5
15.d3 Qg6 16.Nd2 c5 17.Nf3 e4 18.dxe4 dxe4 19.Ne1 Rd8+ 20.Ke2 Qb6 21.Bc4 
Be6 22.Bxe6 fxe6 23.b3 Qa5 24.Bb2 Rd5 25.Qf4 Rad8 26.Qe3 c4 27.b4 Rd2+ 28.
Qxd2 Qh5+ 29.g4 Rxd2+ 30.Kxd2 Qxh3 31.Rd1 Qxg4 32.Kc1 h5 33.Nc2 h4 0-1

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.09"]
[Round "7"]
[White "Chandler, Murray Graham"]
[Black "Chernin, Alexander"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2580"]
[ECO "B06"]
[EventDate "1987.08.02"]
[PlyCount "75"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 c6 5.Qd2 b5 6.Bd3 Nd7 7.a4 b4 8.Nce2 Rb8 
9.Nf3 Qc7 10.O-O Ngf6 11.c3 bxc3 12.Nxc3 Rb3 13.Rfc1 Qb8 14.Ra2 O-O 15.a5 
c5 16.h3 cxd4 17.Nxd4 Nc5 18.Bc4 Nfxe4 19.Nxe4 Nxe4 20.Qe2 Rxe3 21.Qxe3 
Bb7 22.Bb5 Bd5 23.Bc4 Ba8 24.Bf1 d5 25.Nb5 Be5 26.Rc2 a6 27.Nd4 Bd6 28.Nf3
Rc8 29.b4 Kg7 30.Qb6 Rd8 31.Bxa6 e5 32.Qxb8 Rxb8 33.b5 d4 34.b6 Nc3 35.
Rab2 Be4 36.Rd2 Na4 37.Ra2 Bd5 38.Rxa4 1-0

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.09"]
[Round "7"]
[White "Van der Wiel, John"]
[Black "Timman, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2630"]
[ECO "C45"]
[EventDate "1987.08.02"]
[PlyCount "141"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.e5 Qe7 7.Qe2 Nd5 8.h4
f6 9.c4 Ba6 10.Rh3 fxe5 11.Ra3 Nb4 12.Nc3 Qxh4 13.g3 Qd4 14.Rxa6 Nxa6 15.
Bf4 O-O-O 16.Be3 Qd6 17.c5 Nxc5 18.b4 Nd3+ 19.Qxd3 Qxd3 20.Bxd3 d5 21.Rb1 
d4 22.Bf5+ Rd7 23.b5 c5 24.Ne4 dxe3 25.fxe3 Kd8 26.Bxd7 Kxd7 27.Rc1 Bd6 
28.Nxc5+ Bxc5 29.Rxc5 Re8 30.Rd5+ Kc8 31.a4 Re7 32.g4 h6 33.Kf2 e4 34.Rd4 
Kb7 35.g5 hxg5 36.Kg3 Re5 37.Kg4 c5 38.Rd7+ Kb8 39.Rd6 Re7 40.Kxg5 c4 41.
Rd2 Kb7 42.Rc2 Rc7 43.a5 c3 44.Kf5 Rc4 45.Ke5 a6 46.b6 Kc6 47.Rc1 g5 48.
Kf5 Rc5+ 49.Kxe4 Rxa5 50.Rxc3+ Kxb6 51.Rc8 Rc5 52.Rb8+ Ka7 53.Rf8 a5 54.
Kd4 Rb5 55.e4 a4 56.e5 a3 57.Rf1 Kb6 58.Rf6+ Ka5 59.Rf1 Rb2 60.e6 Re2 61.
Kd5 a2 62.Kd6 Kb4 63.e7 Kb3 64.Kd7 Kb2 65.Rf2 Rxf2 66.e8=Q Rd2+ 67.Kc7 
Rc2+ 68.Kd6 Rd2+ 69.Kc7 a1=Q 70.Qh8+ Ka2 71.Qa8+ 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.10"]
[Round "8"]
[White "Gulko, Boris"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2565"]
[BlackElo "2550"]
[ECO "B07"]
[EventDate "1987.08.02"]
[PlyCount "89"]

1.d4 d6 2.e4 Nf6 3.Nc3 g6 4.Nge2 Bg7 5.g3 O-O 6.Bg2 e5 7.O-O Nc6 8.d5 Ne7 
9.f4 exf4 10.Bxf4 Ng4 11.Qd2 c5 12.dxc6 Nxc6 13.h3 Nge5 14.b3 Be6 15.Rad1 
Rc8 16.Kh1 Qa5 17.Nd5 Qxd2 18.Rxd2 Bxd5 19.exd5 Nb4 20.Nd4 Nxa2 21.Nb5 
Rfd8 22.Nxa7 Ra8 23.Nb5 Nb4 24.Bg5 Rd7 25.c3 Na6 26.Ra2 Re8 27.Re1 Kf8 28.
Bf1 Nc7 29.Nd4 Nxd5 30.Bb5 Nxc3 31.Bxd7 Nxa2 32.Bxe8 Kxe8 33.Nb5 Kd7 34.
Rd1 Kc6 35.Na7+ Kd7 36.Nb5 Kc6 37.Nd4+ Kd7 38.Bd2 Nd3 39.Be3 Nab4 40.g4 
Be5 41.Kg2 f6 42.Kf3 Nc5 43.Nc2 Nxc2 44.Bxc5 Ke6 45.Bf2 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.10"]
[Round "8"]
[White "Timman, Jan"]
[Black "Chandler, Murray Graham"]
[Result "1/2-1/2"]
[WhiteElo "2630"]
[BlackElo "2575"]
[ECO "B45"]
[EventDate "1987.08.02"]
[PlyCount "53"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4
Qc7 9.f4 Qb6 10.Bd3 Ba6 11.a3 Be7 12.Qe2 Bxd3 13.Qxd3 f5 14.Nf2 Bc5 15.O-O
a5 16.c4 Ne3 17.b4 axb4 18.axb4 Rxa1 19.bxc5 Rxc1 20.Rxc1 Qxc5 21.h3 Nd5 
22.Rb1 Nxf4 23.Rb8+ Kf7 24.Qxd7+ Kg6 25.Rxh8 Ne2+ 26.Kf1 Ng3+ 27.Kg1 
1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.10"]
[Round "8"]
[White "Chernin, Alexander"]
[Black "Zapata Ramirez, Alonso"]
[Result "1-0"]
[WhiteElo "2580"]
[BlackElo "2510"]
[ECO "E80"]
[EventDate "1987.08.02"]
[PlyCount "103"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nge2 e5 6.f3 Nbd7 7.Bg5 c6 8.Qd2 a6 
9.d5 cxd5 10.cxd5 b5 11.Ng3 Nb6 12.Be2 Bd7 13.O-O h6 14.Be3 h5 15.Nh1 h4 
16.Bg5 Qc7 17.Rac1 Qa7 18.Nf2 Nh5 19.b3 Rc8 20.Nb1 Bf6 21.Rxc8+ Nxc8 22.
Be3 Qb7 23.Nd3 Bd8 24.f4 exf4 25.Nxf4 Nf6 26.Bd4 O-O 27.Qd3 Bb6 28.Kh1 
Bxd4 29.Qxd4 Nh7 30.Nd2 Qb6 31.Qd3 Re8 32.Nf3 Qd8 33.h3 Qf6 34.Nh2 Qe5 35.
Bg4 Nb6 36.Qe3 Rb8 37.Bxd7 Nxd7 38.Ng4 Qg5 39.Qa7 Nhf8 40.Nd3 Re8 41.Qd4 
Nh7 42.Qf2 Re7 43.e5 Kh8 44.exd6 Re8 45.Nc5 Nxc5 46.Qxc5 Kg8 47.d7 Rd8 48.
Qd6 f5 49.Qe6+ Kg7 50.Ne5 Nf8 51.Qf7+ Kh6 52.Qg8 1-0

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.11"]
[Round "9"]
[White "Gulko, Boris"]
[Black "Timman, Jan"]
[Result "1-0"]
[WhiteElo "2565"]
[BlackElo "2630"]
[ECO "E12"]
[EventDate "1987.08.02"]
[PlyCount "53"]

1.Nf3 Nf6 2.c4 b6 3.Nc3 Bb7 4.d4 e6 5.a3 d5 6.cxd5 Nxd5 7.Qc2 c5 8.e4 Nxc3
9.bxc3 Nd7 10.Bf4 Be7 11.Bd3 Rc8 12.Qe2 O-O 13.O-O cxd4 14.cxd4 Rc3 15.
Rfc1 Rxc1+ 16.Rxc1 Nf6 17.Rc7 Nh5 18.Be5 f6 19.Rxb7 fxe5 20.g3 Bxa3 21.
Rxa7 Bd6 22.Bc4 Qf6 23.dxe5 Bxe5 24.Nxe5 Qxe5 25.Re7 Rf6 26.Bxe6+ Kf8 27.
Qd1 1-0

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.11"]
[Round "9"]
[White "Zapata Ramirez, Alonso"]
[Black "Chandler, Murray Graham"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2575"]
[ECO "B45"]
[EventDate "1987.08.02"]
[PlyCount "60"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.
Nxc3 d5 9.exd5 exd5 10.Bd3 O-O 11.O-O d4 12.Ne2 Bg4 13.f3 Bh5 14.Bg5 Qd6 
15.Qd2 Rad8 16.Rad1 Rfe8 17.Bh4 Bg6 18.Bxg6 hxg6 19.Bf2 Nd5 20.Rfe1 Ne3 
21.Bxe3 Rxe3 22.c3 Rde8 23.cxd4 Nxd4 24.Qxd4 Qxd4 25.Rxd4 Rxe2 26.Rxe2 
Rxe2 27.Rd8+ Kh7 28.b4 Ra2 29.Rd7 f6 30.Rxb7 Rxa3 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.11"]
[Round "9"]
[White "Chernin, Alexander"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2580"]
[BlackElo "2550"]
[ECO "E97"]
[EventDate "1987.08.02"]
[PlyCount "40"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Nd2 c5 10.Rb1 a5 11.a3 Ne8 12.b4 axb4 13.axb4 b6 14.bxc5 bxc5 15.Nb3 f5 
16.Bg5 Bf6 17.Bd2 Bd7 18.Ra1 Rxa1 19.Qxa1 Nc8 20.Qc1 Bg7 1/2-1/2

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.13"]
[Round "10"]
[White "Chandler, Murray Graham"]
[Black "Gulko, Boris"]
[Result "0-1"]
[WhiteElo "2575"]
[BlackElo "2565"]
[ECO "B60"]
[EventDate "1987.08.02"]
[PlyCount "134"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Qb6 7.Nb3 e6 8.Be2 
a6 9.O-O Be7 10.Bxf6 gxf6 11.Kh1 Bd7 12.f4 h5 13.Bxh5 Rh7 14.a4 O-O-O 15.
a5 Qc7 16.Bg4 Rg8 17.Bh3 Kb8 18.Rf3 Nb4 19.Qe2 Rgh8 20.Rd1 Rh4 21.Qd2 f5 
22.Nd4 fxe4 23.Nxe4 Qxa5 24.Rb3 Qd5 25.Nf3 Rxh3 26.gxh3 Qxe4 27.Qxb4 Bc6 
28.Qxe4 Bxe4 29.Rd2 Rh4 30.Kg2 Rxf4 31.Kg3 e5 32.h4 Rf6 33.Ng5 Rg6 34.Kf2 
Bxg5 35.hxg5 Rxg5 36.Rxd6 Rg2+ 37.Ke3 f5 38.Rd2 f4+ 39.Kxe4 Rxd2 40.Kxe5 
Rxc2 41.Kxf4 Rxh2 42.Ke4 Rd2 43.Ke3 Rd6 44.Ke4 Rd2 45.Ke3 Rd7 46.Rc3 Ka7 
47.Ke2 Kb6 48.Rc4 Rd5 49.Ke3 a5 50.Rh4 Rb5 51.Rh2 Rb3+ 52.Kd4 Kb5 53.Rh7 
b6 54.Rh2 Kb4 55.Rh6 b5 56.Rh2 a4 57.Kd5 Rg3 58.Kc6 Rg6+ 59.Kd5 Rg5+ 60.
Kd4 Kb3 61.Rf2 b4 62.Rh2 Rg4+ 63.Kc5 Ka2 64.Kb5 b3 65.Kc5 a3 66.bxa3+ Kxa3
67.Rh8 b2 0-1

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.13"]
[Round "10"]
[White "Timman, Jan"]
[Black "Chernin, Alexander"]
[Result "1-0"]
[WhiteElo "2630"]
[BlackElo "2580"]
[ECO "B15"]
[EventDate "1987.08.02"]
[PlyCount "69"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ exf6 6.c3 Bd6 7.Bd3 O-O 8.
Ne2 Re8 9.Qc2 h6 10.O-O Qc7 11.h3 c5 12.dxc5 Qxc5 13.Be3 Rxe3 14.fxe3 
Qxe3+ 15.Kh1 Nd7 16.Rad1 Qe7 17.Nf4 Nb6 18.Rde1 Qd8 19.Qd2 Bd7 20.Bh7+ 
Kxh7 21.Qxd6 Bc6 22.Qxd8 Rxd8 23.Rd1 Rc8 24.b3 Be4 25.c4 f5 26.Nh5 g6 27.
Nf6+ Kg7 28.Nxe4 fxe4 29.g4 Rc5 30.Rf4 Re5 31.Rdf1 f5 32.gxf5 g5 33.f6+ 
Kf7 34.Rf5 Re6 35.Rc5 1-0

[Event "6th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1987.08.13"]
[Round "10"]
[White "Van der Wiel, John"]
[Black "Zapata Ramirez, Alonso"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2510"]
[ECO "B48"]
[EventDate "1987.08.02"]
[PlyCount "43"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Qc7 6.Be3 a6 7.Qd2 b5 8.Nxc6 
Qxc6 9.f3 Bb7 10.Ne2 Nf6 11.O-O-O Rc8 12.Nd4 Qc7 13.g4 e5 14.Nb3 Bb4 15.
Qg2 O-O 16.Bd3 Kh8 17.Kb1 d5 18.g5 Nh5 19.exd5 Bxd5 20.Qg4 Nf4 21.Bxf4 
exf4 22.Qf5 1-0
