[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.07.31"]
[Round "1"]
[White "Van der Wiel, John"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2595"]
[ECO "C17"]
[EventDate "1988.07.31"]
[PlyCount "121"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5 6.b4 cxd4 7.Nb5 Bc7 8.f4 Nh6 9.
Nf3 Nc6 10.Bd3 Bd7 11.O-O a6 12.Nxc7+ Qxc7 13.Kh1 Rc8 14.Bb2 Ne7 15.Nxd4 
Nhf5 16.Nxf5 Nxf5 17.Bxf5 exf5 18.Qxd5 Qxc2 19.e6 Bc6 20.exf7+ Kf8 21.Qc5+
Qxc5 22.bxc5 Kxf7 23.Rfd1 Rhe8 24.Be5 g5 25.Kg1 gxf4 26.Bxf4 Re4 27.g3 
Rce8 28.Ra2 Re2 29.Rxe2 Rxe2 30.Rd6 Rg2+ 31.Kf1 Rxh2 32.Rh6 Ra2 33.Rxh7+ 
Kg6 34.Rh6+ Kg7 35.Re6 Rxa3 36.Be5+ Kf7 37.Rf6+ Ke7 38.Rxf5 Ke6 39.Rg5 a5 
40.Bd4 Rd3 41.Re5+ Kf7 42.Bf2 a4 43.Re3 Rd1+ 44.Ke2 Ra1 45.Kd3 Rf1 46.Ke2 
Bb5+ 47.Kf3 Ra1 48.Re1 Ra3+ 49.Be3 Rc3 50.Rb1 Bc6+ 51.Ke2 Kg6 52.Kd2 Ra3 
53.Bd4 Rf3 54.Rc1 Rf8 55.Ra1 Kg5 56.Be3+ Kg4 57.Bf4 Rf5 58.Rc1 Rh5 59.Ke3 
Bd5 60.Rc3 Rh1 61.Kd4 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.07.31"]
[Round "1"]
[White "Kortschnoj, Viktor"]
[Black "Ljubojevic, Ljubomir"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2590"]
[ECO "D15"]
[EventDate "1988.07.31"]
[PlyCount "160"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e4 b5 6.e5 Nd5 7.a4 Qa5 8.Bd2 b4 9.
Ne4 Bf5 10.Ng3 c3 11.Nxf5 cxd2+ 12.Nxd2 g6 13.Nb3 Qd8 14.Ng3 Bh6 15.Bc4 a5
16.O-O Nd7 17.Re1 O-O 18.Ne4 N7b6 19.Bf1 Qc8 20.Nec5 Nd7 21.g3 Nxc5 22.
Nxc5 Rd8 23.e6 f5 24.Nd7 Qc7 25.Bg2 Bg7 26.Rc1 Qd6 27.Qc2 Rac8 28.Bxd5 
Qxd5 29.Nb6 Qxd4 30.Nxc8 Rxc8 31.Re2 Bf6 32.Rd1 Qg4 33.Red2 Kg7 34.Qc5 h5 
35.Qxa5 h4 36.Qa6 hxg3 37.hxg3 Rh8 38.Qxc6 Bxb2 39.Rd8 Bf6 40.R1d2 Rxd8 
41.Rxd8 b3 42.Qe8 Kh6 43.Qf8+ Kh7 44.Qf7+ Kh6 45.Qxf6 exf6 46.e7 b2 47.
Rh8+ Kg7 48.e8=Q b1=Q+ 49.Kh2 Qh5+ 50.Rxh5 gxh5 51.Qxh5 Qc2 52.Qf3 Qxa4 
53.Qxf5 Qd4 54.Kh3 Kf7 55.f3 Qc4 56.Qh7+ Kf8 57.Qd7 Qc5 58.Qg4 Kf7 59.Kh4 
Qc2 60.Qd7+ Kf8 61.f4 Qe2 62.Qb7 Kg8 63.Qc7 Qe6 64.Qc3 Kg7 65.g4 Qe4 66.
Kg3 Kg6 67.Qd2 Kf7 68.Kf2 Qe6 69.Qe2 Qd5 70.Qc2 Qd4+ 71.Kf3 Qd7 72.Kg3 Qd4
73.Qb3+ Kg7 74.Kf3 Qd7 75.f5 Qc6+ 76.Kf4 Qc7+ 77.Ke4 Qe5+ 78.Kf3 Qd4 79.
Qb7+ Kf8 80.Qe4 Qxe4+ 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.07.31"]
[Round "1"]
[White "Nunn, John Denis Martin"]
[Black "Nikolic, Predrag"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2610"]
[ECO "C19"]
[EventDate "1988.07.31"]
[PlyCount "106"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Nf3 Ne7 8.a4 b6 
9.Bb5+ Bd7 10.Bd3 Nbc6 11.O-O h6 12.Re1 O-O 13.Bf4 Ng6 14.Bg3 cxd4 15.Nxd4
Na5 16.Re3 Nc4 17.Bxc4 Qxc4 18.h4 Bxa4 19.h5 Ne7 20.Bf4 Nf5 21.Rd3 Bd7 22.
Rb1 a5 23.g4 Nxd4 24.Rxd4 Qc7 25.Qf3 Rac8 26.c4 dxc4 27.g5 hxg5 28.h6 Bc6 
29.Qg4 gxh6 30.Bxg5 f5 31.exf6 hxg5 32.Qxg5+ Kf7 33.Qh5+ Kxf6 34.Qh4+ Kf7 
35.Rf4+ Ke8 36.Rxf8+ Kxf8 37.Qh8+ Kf7 38.Qh7+ Kf6 39.Qh6+ Kf7 40.Qh7+ Kf6 
41.Qh6+ Ke5 42.Qg5+ Kd6 43.Qg3+ Kd5 44.Qg5+ e5 45.Qd2+ Ke4 46.Qe3+ Kf5 47.
Qh3+ Kg6 48.Qg4+ Kf7 49.Qf5+ Kg8 50.Qe6+ Kg7 51.Qg4+ Kh8 52.Qh3+ Kg8 53.
Qe6+ Kg7 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.01"]
[Round "2"]
[White "Hort, Vlastimil"]
[Black "Ljubojevic, Ljubomir"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2590"]
[ECO "E12"]
[EventDate "1988.07.31"]
[PlyCount "43"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Ba6 5.e3 c5 6.Nc3 Be7 7.Be2 cxd4 8.Nxd4 Bb7
9.Bf3 Nc6 10.b3 O-O 11.Nxc6 Bxc6 12.Bb2 Qc7 13.Rc1 Qb7 14.Bxc6 dxc6 15.O-O
Rfd8 16.Qe2 Bd6 17.Rfd1 Qe7 18.a4 Be5 19.h3 Nd7 20.Qc2 Nc5 21.Ba3 Bd6 22.
Bxc5 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.01"]
[Round "2"]
[White "Nikolic, Predrag"]
[Black "Kortschnoj, Viktor"]
[Result "0-1"]
[WhiteElo "2610"]
[BlackElo "2595"]
[ECO "D73"]
[EventDate "1988.07.31"]
[PlyCount "74"]

1.d4 Nf6 2.c4 g6 3.g3 c6 4.Bg2 d5 5.Nf3 Bg7 6.cxd5 cxd5 7.Nc3 O-O 8.Ne5 e6
9.Bg5 Qb6 10.Qd2 Nfd7 11.Be3 Nc6 12.Nxc6 bxc6 13.h4 a5 14.h5 Ba6 15.Rd1 
Rfb8 16.hxg6 hxg6 17.b3 Qb4 18.Kf1 c5 19.Rh4 c4 20.Bh6 Bh8 21.bxc4 Qxc4 
22.Bf3 Rc8 23.Rc1 Qb4 24.Kg2 Rc4 25.a3 Qxa3 26.Rch1 Qxc3 27.Qxc3 Rxc3 28.
Bd2 Bxd4 29.Rxd4 Rc4 30.Rd3 Bb7 31.g4 a4 32.Ra3 Bc6 33.Kg3 Rb8 34.g5 Rb3 
35.Raa1 Ne5 36.Rh6 Nxf3 37.exf3 d4 0-1

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.01"]
[Round "2"]
[White "Van der Wiel, John"]
[Black "Nunn, John Denis Martin"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2625"]
[ECO "C77"]
[EventDate "1988.07.31"]
[PlyCount "43"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Nc3 b5 6.Bb3 Be7 7.d3 O-O 8.Nd5 Bb7
9.O-O Na5 10.Nxe7+ Qxe7 11.Nh4 Nxb3 12.axb3 d5 13.Nf5 Qe6 14.f3 g6 15.Nh6+
Kg7 16.Qe1 Nh5 17.Ng4 Rfe8 18.Qh4 f6 19.Bh6+ Kh8 20.exd5 Bxd5 21.Rae1 Qf7 
22.Qf2 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.02"]
[Round "3"]
[White "Nunn, John Denis Martin"]
[Black "Hort, Vlastimil"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2595"]
[ECO "C16"]
[EventDate "1988.07.31"]
[PlyCount "39"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Qd7 5.Bd2 Ne7 6.Qg4 Nf5 7.Bd3 h5 8.Qf4 Nc6 
9.Bxf5 exf5 10.Nf3 Bxc3 11.Bxc3 Qe7 12.Qg3 Rh7 13.h4 Be6 14.Bd2 O-O-O 15.
O-O Qd7 16.b4 Ne7 17.a4 Qc6 18.b5 Qxc2 19.Rfc1 f4 20.Qg5 1-0

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.02"]
[Round "3"]
[White "Kortschnoj, Viktor"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2540"]
[ECO "A31"]
[EventDate "1988.07.31"]
[PlyCount "87"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 Qb6 6.Nb3 e6 7.e4 Bb4 8.Bd3 
Ne5 9.O-O Qd6 10.Bf4 O-O 11.Re1 b6 12.Bf1 Bb7 13.Qxd6 Bxd6 14.Bg3 Bb8 15.
Rad1 Nh5 16.c5 Nxg3 17.hxg3 bxc5 18.Nxc5 Bc6 19.Na6 Ng4 20.Bb5 Be5 21.Bxc6
dxc6 22.Rd3 Rfd8 23.Red1 Rxd3 24.Rxd3 Nf6 25.Nc5 g5 26.Kf1 Rb8 27.b3 Kf8 
28.Ne2 Ke7 29.Nd4 Rc8 30.b4 Bd6 31.Ndb3 h5 32.Ke2 Ra8 33.Rc3 Bxc5 34.Nxc5 
a5 35.Ra3 Rb8 36.bxa5 Kd6 37.e5+ Kxc5 38.exf6 Ra8 39.a6 Kb4 40.Rb3+ Kc4 
41.Rb7 Rxa6 42.Rxf7 Rxa2+ 43.Ke3 Kd5 44.Rg7 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.02"]
[Round "3"]
[White "Ljubojevic, Ljubomir"]
[Black "Nikolic, Predrag"]
[Result "1-0"]
[WhiteElo "2590"]
[BlackElo "2610"]
[ECO "C89"]
[EventDate "1988.07.31"]
[PlyCount "85"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 
9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3 15.Be3 
Bg4 16.Qd3 Rae8 17.Nd2 Re6 18.Bd1 Bf5 19.Qf1 Rfe8 20.Qxh3 Bxh3 21.Bb3 R6e7
22.Nf1 Kf8 23.Bd2 Re2 24.Rad1 Bg4 25.Kg2 Rxe1 26.Rxe1 h5 27.Rxe8+ Kxe8 28.
Bc2 a5 29.b3 Be6 30.Ne3 g6 31.Bd3 Bc7 32.c4 bxc4 33.bxc4 Nf6 34.Bc3 Ke7 
35.h3 Bd8 36.f4 Bc8 37.f5 g5 38.g4 hxg4 39.hxg4 Ba6 40.Bc2 Bb6 41.Kf3 Bb7 
42.c5 Bc7 43.Nc4 1-0

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.03"]
[Round "4"]
[White "Kortschnoj, Viktor"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2595"]
[ECO "E05"]
[EventDate "1988.07.31"]
[PlyCount "91"]

1.c4 e6 2.Nc3 d5 3.d4 Be7 4.Nf3 Nf6 5.g3 dxc4 6.Bg2 O-O 7.Ne5 c5 8.dxc5 
Qxd1+ 9.Nxd1 Bxc5 10.Nxc4 Nc6 11.Be3 Bb4+ 12.Bd2 Bxd2+ 13.Nxd2 Bd7 14.Nc4 
Rfd8 15.Nd6 Rab8 16.Nc3 Ne8 17.O-O-O Nxd6 18.Rxd6 Kf8 19.Rhd1 Ke7 20.f4 
Be8 21.Rxd8 Rxd8 22.Rxd8 Nxd8 23.Kd2 Bc6 24.Bxc6 Nxc6 25.Kd3 f6 26.Kc4 Kd6
27.Ne4+ Kc7 28.Nc5 Nd8 29.f5 exf5 30.Kd5 Nc6 31.Ke6 Nd4+ 32.Kf7 Kd6 33.
Nxb7+ Ke5 34.Kxg7 Nxe2 35.Nc5 f4 36.gxf4+ Nxf4 37.Nd7+ Kf5 38.Nxf6 Ne6+ 
39.Kf7 Ng5+ 40.Ke7 h6 41.b4 Nf3 42.b5 Nxh2 43.Ne8 Ke5 44.a4 Nf3 45.Kd7 Nd4
46.Ng7 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.03"]
[Round "4"]
[White "Ljubojevic, Ljubomir"]
[Black "Nunn, John Denis Martin"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2625"]
[ECO "C89"]
[EventDate "1988.07.31"]
[PlyCount "64"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 
9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3 15.Be3 
Bg4 16.Qd3 Rae8 17.Nd2 Re6 18.Bd1 Bxd1 19.Raxd1 f5 20.Nf3 Rg6 21.Qf1 Qh5 
22.Ne5 Bxe5 23.dxe5 f4 24.Bc1 Rh6 25.Qg2 f3 26.Qh1 Re6 27.h4 Rxe5 28.Qh3 
Rxe1+ 29.Rxe1 Re8 30.Re6 h6 31.Be3 Nxe3 32.Rxe3 Rxe3 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.03"]
[Round "4"]
[White "Nikolic, Predrag"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2540"]
[ECO "E11"]
[EventDate "1988.07.31"]
[PlyCount "183"]

1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2 Be7 5.Bg2 d5 6.Nf3 O-O 7.O-O c6 8.Qb3 Ne4
9.Ne5 dxc4 10.Qxc4 Nxd2 11.Nxd2 Nd7 12.Rfd1 Qc7 13.Nd3 Rd8 14.Qc2 Nf6 15.
e3 Bd7 16.b4 a5 17.a3 Ne8 18.Rab1 axb4 19.axb4 Ra7 20.Rdc1 Qb8 21.Ra1 Nc7 
22.Ra5 Be8 23.Rca1 Rxa5 24.bxa5 Qa7 25.Nc4 Nb5 26.Qb3 Ra8 27.Nb6 Qxb6 28.
axb6 Rxa1+ 29.Bf1 Ra3 30.Qb2 Ra6 31.Nc5 Rxb6 32.Qa1 Bxc5 33.dxc5 Ra6 34.
Qe5 Ra8 35.g4 h6 36.h4 Rd8 37.Bc4 Rd1+ 38.Kh2 Rc1 39.Bd3 Kf8 40.g5 hxg5 
41.hxg5 Rd1 42.Be4 Rd7 43.Kg2 Kg8 44.Qb8 Re7 45.Bd3 g6 46.Kg3 e5 47.Bc4 
Kf8 48.Qd8 Nc3 49.Kf3 Nd5 50.Qd6 e4+ 51.Kg3 Bd7 52.Qb8+ Be8 53.Be2 Kg7 54.
Bg4 Bd7 55.Bxd7 Rxd7 56.Qe5+ f6 57.Qe6 Rf7 58.Qxe4 f5 59.Qd4+ Kg8 60.f3 
f4+ 61.exf4 Ne7 62.Qe5 Nf5+ 63.Kf2 Ng7 64.Ke2 Rf5 65.Qd6 Kh7 66.Qe7 Rd5 
67.Ke3 Kg8 68.Ke4 Kh8 69.f5 Rxf5 70.Kd4 Rf4+ 71.Kc3 Rxf3+ 72.Kb4 Rf1 73.
Qe4 Rf5 74.Qe7 Rf1 75.Qe2 Rf7 76.Ka5 Nf5 77.Qe6 Kg7 78.Kb6 Re7 79.Qf6+ Kh7
80.Ka7 Rg7 81.Qc3 Re7 82.Qh3+ Kg8 83.Kb8 Ne3 84.Kc8 Nd5 85.Kd8 Rf7 86.Qe6 
Kg7 87.Qe5+ Kg8 88.Qb2 Nf4 89.Ke8 Ne6 90.Qe5 Nc7+ 91.Kd8 Nd5 92.Qe6 
1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.04"]
[Round "5"]
[White "Hort, Vlastimil"]
[Black "Nikolic, Predrag"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2610"]
[ECO "E31"]
[EventDate "1988.07.31"]
[PlyCount "85"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 Bxc3+ 7.bxc3 d6 8.e3 Qe7
9.Ne2 Nbd7 10.Bg3 exd5 11.cxd5 Ne4 12.c4 O-O 13.Rc1 Ndf6 14.Nc3 Nxc3 15.
Rxc3 Ne4 16.Rb3 Bd7 17.Qb1 Bf5 18.Qb2 b6 19.Be2 Rae8 20.a4 Bd7 21.O-O Nxg3
22.hxg3 Rb8 23.Ra1 Rb7 24.Bd3 Rfb8 25.a5 Bc8 26.a6 Rc7 27.e4 Qf6 28.Qxf6 
gxf6 29.f3 Re7 30.Kf2 Kg7 31.g4 Bd7 32.Rbb1 Rh8 33.Rh1 Bc8 34.Kg3 Ree8 35.
Kf4 Re5 36.Kg3 Ree8 37.Bc2 Bd7 38.Rab1 Re7 39.Kf4 Bc8 40.Ra1 Bd7 41.Kg3 
Ree8 42.Ra3 Rb8 43.Rb1 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.04"]
[Round "5"]
[White "Nunn, John Denis Martin"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2595"]
[ECO "C11"]
[EventDate "1988.07.31"]
[PlyCount "62"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 a6 8.Qd2 b5 9.
dxc5 Bxc5 10.Bxc5 Nxc5 11.Bd3 b4 12.Ne2 Qb6 13.Ned4 Nxd4 14.Nxd4 a5 15.Qe3
O-O 16.O-O Ba6 17.g4 Ne4 18.Rae1 f6 19.Nf3 Qxe3+ 20.Rxe3 Nc5 21.exf6 Bxd3 
22.cxd3 Rxf6 23.Nd4 Raf8 24.f5 exf5 25.Rxf5 Na4 26.Rxd5 Nxb2 27.Rxa5 Rf4 
28.Ne6 Rxg4+ 29.Rg3 Rxg3+ 30.hxg3 Re8 31.Nf4 Rd8 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.04"]
[Round "5"]
[White "Van der Wiel, John"]
[Black "Ljubojevic, Ljubomir"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2590"]
[ECO "B70"]
[EventDate "1988.07.31"]
[PlyCount "135"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.a4 g6 7.Be2 Bg7 8.O-O O-O
9.f4 Nc6 10.Be3 Rb8 11.Nb3 Be6 12.Bf3 Na5 13.Nxa5 Qxa5 14.Qd2 Rfc8 15.Ba7 
Ra8 16.Bd4 Rc4 17.Rfe1 Rxd4 18.Qxd4 Ng4 19.e5 dxe5 20.fxe5 Rd8 21.Nd5 Rxd5
22.Bxd5 Qxd5 23.Qxd5 Bxd5 24.Rad1 e6 25.c4 Bc6 26.h3 Nh6 27.b4 Bxa4 28.
Rd8+ Bf8 29.Ra1 Bb3 30.c5 Kg7 31.Rxa6 Be7 32.Re8 Bg5 33.Ra7 Nf5 34.Rb8 
Be3+ 35.Kf1 Bc4+ 36.Ke1 Nh4 37.Rbxb7 Nxg2+ 38.Kd1 Bb3+ 39.Ke2 Bc4+ 40.Kd1 
Bb3+ 41.Ke2 Bc4+ 42.Kf3 Bd5+ 43.Kg3 Bf4+ 44.Kf2 Bxe5 45.Rxf7+ Kh6 46.Rad7 
Nf4 47.Ke3 Bc6 48.b5 Bxb5 49.Ke4 Bb8 50.Rxh7+ Kg5 51.Rd8 Bc6+ 52.Kd4 Ne2+ 
53.Ke3 Bg3 54.Kxe2 Kf4 55.Rd4+ Ke5 56.Rg4 Bf4 57.Rxg6 Kd5 58.Re7 e5 59.h4 
Bb5+ 60.Kf3 Kxc5 61.Ke4 Be2 62.Rxe5+ Bxe5 63.Kxe5 Bd1 64.Rg5 Kc6 65.h5 Kd7
66.h6 Bc2 67.Rf5 Bxf5 68.Kxf5 1-0

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.06"]
[Round "6"]
[White "Hort, Vlastimil"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2540"]
[ECO "D48"]
[EventDate "1988.07.31"]
[PlyCount "50"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 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.Re1 Be7 15.Bg5 
Rd8 16.Qb3 O-O 17.Rad1 h6 18.Ne5 Qc7 19.Bxf6 Bxf6 20.Nxd3 Bxc3 21.bxc3 Rc8
22.f3 Qxc3 23.Qxc3 Rxc3 24.Nb4 Rfc8 25.Nd5 Bxd5 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.06"]
[Round "6"]
[White "Ljubojevic, Ljubomir"]
[Black "Kortschnoj, Viktor"]
[Result "0-1"]
[WhiteElo "2590"]
[BlackElo "2595"]
[ECO "B64"]
[EventDate "1988.07.31"]
[PlyCount "66"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O
O-O 9.f4 h6 10.Bh4 e5 11.Nf5 Bxf5 12.exf5 exf4 13.Qxf4 d5 14.Kb1 d4 15.Bc4
Bd6 16.Qd2 dxc3 17.Qxd6 Qxd6 18.Rxd6 Ne4 19.Rhd1 Nxd6 20.Rxd6 Rfe8 21.Bd5 
Ne7 22.Be4 Ng6 23.fxg6 Rxe4 24.Bg3 cxb2 25.Rd7 fxg6 26.Rxb7 a5 27.Kxb2 Rc8
28.Rd7 g5 29.Rd2 Rce8 30.Bc7 a4 31.Ba5 Re2 32.Rd7 Rxg2 33.Bc3 Ree2 0-1

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.06"]
[Round "6"]
[White "Nikolic, Predrag"]
[Black "Nunn, John Denis Martin"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2625"]
[ECO "D73"]
[EventDate "1988.07.31"]
[PlyCount "40"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 c6 5.Nc3 d5 6.cxd5 cxd5 7.d4 O-O 8.Ne5 e6
9.Bg5 Qb6 10.Qd2 Nbd7 11.Be3 Ne8 12.f4 Nd6 13.b3 f6 14.Nd3 f5 15.Ne5 Nf6 
16.h3 Bd7 17.g4 Rfd8 18.O-O Be8 19.Kh2 Rac8 20.Rac1 Rc7 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.07"]
[Round "7"]
[White "Ljubojevic, Ljubomir"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[WhiteElo "2590"]
[BlackElo "2595"]
[ECO "C42"]
[EventDate "1988.07.31"]
[PlyCount "64"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.O-O O-O 8.c4 c6
9.Qc2 Na6 10.a3 Bg4 11.Ne5 Bxe5 12.dxe5 Nac5 13.f3 Nxd3 14.Qxd3 Nc5 15.Qd4
Nb3 16.Qxg4 Nxa1 17.Bh6 g6 18.Bxf8 Qxf8 19.cxd5 cxd5 20.Qd4 Nc2 21.Qf2 Rc8
22.Qxa7 d4 23.Nd2 Qe7 24.f4 Ne3 25.Rb1 Qd7 26.Ne4 Kg7 27.Qb6 Rc6 28.Qb3 
Qf5 29.Qd3 Rc2 30.Qxd4 Rxg2+ 31.Kh1 Qh3 32.e6+ Kh6 0-1

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.07"]
[Round "7"]
[White "Kortschnoj, Viktor"]
[Black "Nikolic, Predrag"]
[Result "0-1"]
[WhiteElo "2595"]
[BlackElo "2610"]
[ECO "A28"]
[EventDate "1988.07.31"]
[PlyCount "122"]

1.c4 e5 2.Nc3 Nc6 3.e3 Nf6 4.Nf3 Bb4 5.Qc2 O-O 6.Nd5 Re8 7.a3 Bf8 8.Bd3 g6
9.O-O Bg7 10.Nxf6+ Qxf6 11.Be4 Qe7 12.b4 Nd8 13.Bb2 d6 14.d3 c6 15.Nd2 f5 
16.Bf3 Nf7 17.Rac1 Be6 18.Be2 h5 19.Nb3 Rad8 20.Rfd1 h4 21.d4 Bd7 22.dxe5 
dxe5 23.Rd2 Be6 24.Rcd1 b6 25.Rxd8 Rxd8 26.Rxd8+ Qxd8 27.Nd2 e4 28.Bxg7 
Kxg7 29.Qc3+ Qf6 30.Qxf6+ Kxf6 31.f3 exf3 32.Nxf3 g5 33.Kf2 c5 34.bxc5 
bxc5 35.g3 h3 36.Nd2 Ke5 37.Bf1 g4 38.Bd3 Ng5 39.Ke2 Bd7 40.Bc2 Bc6 41.Kf2
Be4 42.Ba4 Bd3 43.Be8 Kd6 44.Ke1 Ke7 45.Bg6 Kf6 46.Be8 Ke5 47.Kf2 Ne6 48.
Bb5 Nd8 49.Nb3 Nb7 50.a4 Nd6 51.Nxc5 Bxc4 52.Bc6 Nf7 53.Bb7 Kd6 54.Na6 Ne5
55.Nb4 a5 56.Nc2 Nd3+ 57.Kg1 Nc5 58.Bc8 Be6 59.Bxe6 Nxe6 60.e4 fxe4 61.Kf2
Ke5 0-1

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.07"]
[Round "7"]
[White "Nunn, John Denis Martin"]
[Black "Van der Wiel, John"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2540"]
[ECO "C96"]
[EventDate "1988.07.31"]
[PlyCount "85"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 
9.h3 Na5 10.Bc2 c5 11.d4 Nc6 12.d5 Na7 13.a4 Nd7 14.Be3 Qc7 15.Nbd2 Nb6 
16.a5 Nd7 17.b4 Re8 18.Nf1 Bb7 19.Ng3 Nc8 20.Rc1 Bf8 21.Nh2 Ne7 22.Ng4 Ng6
23.Qd2 Rac8 24.Bd3 cxb4 25.cxb4 Qb8 26.Rcd1 Nf4 27.Bxf4 exf4 28.Qxf4 Ne5 
29.Nf5 Nxg4 30.hxg4 Rc3 31.Re3 Qc7 32.g5 Bc8 33.Rg3 Bxf5 34.exf5 Rc8 35.f6
g6 36.Kh2 Qd8 37.Re1 Rb3 38.Bxg6 Rxg3 39.Bxh7+ Kxh7 40.Kxg3 Rc3+ 41.f3 Kg8
42.Qh4 Rc4 43.Qh5 1-0

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.08"]
[Round "8"]
[White "Hort, Vlastimil"]
[Black "Nunn, John Denis Martin"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2625"]
[ECO "C68"]
[EventDate "1988.07.31"]
[PlyCount "34"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3 f6 6.d4 exd4 7.Qxd4 Qxd4 8.
Nxd4 Bd7 9.Bf4 O-O-O 10.O-O-O Bb4 11.Nce2 Ne7 12.Bg3 c5 13.Nf3 c4 14.Nfd4 
Rhe8 15.Nf4 Nc6 16.Nxc6 Bxc6 17.Rxd8+ Kxd8 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.08"]
[Round "8"]
[White "Van der Wiel, John"]
[Black "Kortschnoj, Viktor"]
[Result "0-1"]
[WhiteElo "2540"]
[BlackElo "2595"]
[ECO "C08"]
[EventDate "1988.07.31"]
[PlyCount "74"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 c4 6.b3 cxb3 7.axb3 Bb4 8.Bb5+
Bd7 9.Bxd7+ Nxd7 10.O-O Ne7 11.Ba3 Bxa3 12.Rxa3 O-O 13.c4 a6 14.Qb1 Nc6 
15.cxd5 Nb4 16.d6 Nf6 17.Ne4 Ne8 18.Nfg5 g6 19.Qc1 Nxd6 20.Qc5 Nxe4 21.
Nxe4 a5 22.Rd1 Rc8 23.Qxa5 Qxd4 24.Nf6+ Kg7 25.Raa1 Nd3 26.Qg5 Qxf2+ 27.
Kh1 Qd4 28.h3 Nf2+ 29.Kh2 Nxd1 30.Nh5+ Kh8 31.Rxd1 Rc5 32.Qh6 Qe5+ 33.Nf4 
Kg8 34.h4 g5 35.Qxg5+ Qxg5 36.hxg5 Rxg5 37.Nd5 Kg7 0-1

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.08"]
[Round "8"]
[White "Nikolic, Predrag"]
[Black "Ljubojevic, Ljubomir"]
[Result "1-0"]
[WhiteElo "2610"]
[BlackElo "2590"]
[ECO "D36"]
[EventDate "1988.07.31"]
[PlyCount "75"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Nbd7 5.cxd5 exd5 6.Bg5 Be7 7.e3 O-O 8.Qc2 
c6 9.Bd3 Re8 10.O-O Nf8 11.h3 Ng6 12.Bxf6 Bxf6 13.b4 a6 14.a4 Be7 15.b5 
axb5 16.axb5 Bd7 17.bxc6 bxc6 18.Na4 Ra5 19.Nd2 Qc7 20.Nb3 Ra7 21.Nac5 Bc8
22.Rxa7 Qxa7 23.Ra1 Qc7 24.Na6 Qb6 25.Nbc5 Bd6 26.Rb1 Qa7 27.Nb4 Qe7 28.
Nxc6 Qg5 29.Kh1 Nh4 30.Rg1 Nf5 31.Ne5 f6 32.Nf3 Qh5 33.Re1 Ng3+ 34.fxg3 
Bxg3 35.Rf1 Rxe3 36.Ne4 dxe4 37.Qxc8+ Kf7 38.Qb7+ 1-0

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.09"]
[Round "9"]
[White "Hort, Vlastimil"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2595"]
[ECO "B80"]
[EventDate "1988.07.31"]
[PlyCount "51"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.g3 Nf6 7.Bg2 Bd7 8.O-O 
Be7 9.b3 O-O 10.Nde2 a6 11.Bb2 b5 12.Qd2 Qb6 13.h3 Ne5 14.Nd4 Rfd8 15.Kh2 
b4 16.Nce2 Rac8 17.c4 bxc3 18.Bxc3 Qb8 19.Rac1 Nc6 20.Rfe1 e5 21.Nc2 a5 
22.Ne3 Qb5 23.Ba1 Qb4 24.Bc3 Qb5 25.Ba1 Qb4 26.Bc3 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.09"]
[Round "9"]
[White "Nunn, John Denis Martin"]
[Black "Ljubojevic, Ljubomir"]
[Result "0-1"]
[WhiteElo "2625"]
[BlackElo "2590"]
[ECO "B78"]
[EventDate "1988.07.31"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 
Nc6 9.Bc4 Bd7 10.h4 Rc8 11.Bb3 Ne5 12.O-O-O Nc4 13.Bxc4 Rxc4 14.h5 Nxh5 
15.g4 Nf6 16.Bh6 Nxe4 17.Qe3 Rxc3 18.bxc3 Nf6 19.Bxg7 Kxg7 20.Rh2 Rg8 21.
Ne2 Bc6 22.Ng3 Kf8 23.c4 Rg7 24.Re2 a6 25.g5 Nd7 26.f4 f5 27.gxf6 Nxf6 28.
c5 d5 29.Qd4 Qa5 30.c3 Nd7 31.c4 Qa3+ 32.Kb1 Qb4+ 33.Rb2 Qxc4 34.Ne2 Nxc5 
35.Rc2 Qxd4 36.Nxd4 Ba4 37.Rxc5 Bxd1 38.Ne6+ Kf7 39.Nxg7 Kxg7 40.Rxd5 Bf3 
0-1

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.09"]
[Round "9"]
[White "Van der Wiel, John"]
[Black "Nikolic, Predrag"]
[Result "1/2-1/2"]
[WhiteElo "2540"]
[BlackElo "2610"]
[ECO "C03"]
[EventDate "1988.07.31"]
[PlyCount "23"]

1.e4 e6 2.d4 d5 3.Nd2 f5 4.exf5 exf5 5.Bd3 Nf6 6.Ne2 Bd6 7.c4 O-O 8.c5 Be7
9.b4 b6 10.Qc2 Nc6 11.a3 bxc5 12.bxc5 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.11"]
[Round "10"]
[White "Nikolic, Predrag"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2595"]
[ECO "E11"]
[EventDate "1988.07.31"]
[PlyCount "55"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 c5 5.Bxb4 cxb4 6.g3 b6 7.Bg2 Bb7 8.O-O 
O-O 9.Nbd2 d6 10.Re1 Qc7 11.Nh4 Bxg2 12.Nxg2 Nc6 13.Nf3 Rfe8 14.Rc1 Qb7 
15.d5 exd5 16.cxd5 Ne5 17.Ne3 a5 18.Qd4 Rad8 19.Red1 h5 20.Nxe5 Rxe5 21.
Qc4 Qe7 22.Qf4 Qd7 23.Rd4 Rde8 24.Qf3 Ne4 25.Rd3 Nc5 26.Rd4 Ne4 27.Rd3 Nc5
28.Rd4 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.11"]
[Round "10"]
[White "Kortschnoj, Viktor"]
[Black "Nunn, John Denis Martin"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2625"]
[ECO "D78"]
[EventDate "1988.07.31"]
[PlyCount "29"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 c6 5.d4 d5 6.b3 O-O 7.O-O Bf5 8.Bb2 Nbd7 
9.Nbd2 Ne4 10.Nh4 Nxd2 11.Qxd2 Be6 12.cxd5 cxd5 13.Qb4 a5 14.Qxb7 a4 15.
Qb5 1/2-1/2

[Event "7th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1988.08.11"]
[Round "10"]
[White "Ljubojevic, Ljubomir"]
[Black "Van der Wiel, John"]
[Result "0-1"]
[WhiteElo "2590"]
[BlackElo "2540"]
[ECO "A13"]
[EventDate "1988.07.31"]
[PlyCount "90"]

1.c4 e6 2.Nf3 b6 3.Nc3 Bb7 4.e4 Bb4 5.Qb3 Na6 6.d3 f5 7.exf5 Bxf3 8.gxf3 
exf5 9.Qa4 Qe7+ 10.Kd1 Bxc3 11.bxc3 Nc5 12.Qc2 Qf7 13.d4 Ne6 14.Bd3 Ne7 
15.h4 Qh5 16.Qe2 O-O 17.f4 Qg4 18.Kc2 Rae8 19.h5 Nxf4 20.Bxf4 Qxf4 21.Rae1
Kf7 22.Qf1 Ng8 23.Qg2 Rxe1 24.Rxe1 Nf6 25.c5 Re8 26.Bc4+ Kf8 27.Rxe8+ Nxe8
28.Qd5 Qe4+ 29.Qxe4 fxe4 30.Kd2 Nf6 31.Ke3 bxc5 32.dxc5 Nxh5 33.Kxe4 Nf6+ 
34.Kf5 Ke7 35.f3 c6 36.Ke5 Nd5 37.Kd4 Nf4 38.Bf1 Ne6+ 39.Kc4 h5 40.Kb4 h4 
41.a4 Nf4 42.Ka5 Kd8 43.Ka6 Kc7 44.Kxa7 h3 45.Bxh3 Nxh3 0-1
