[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.07.29"]
[Round "1"]
[White "Nunn, John Denis Martin"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2630"]
[ECO "C10"]
[EventDate "1990.07.29"]
[PlyCount "125"]

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bd3 c5 8.
dxc5 Bxc5 9.Qe2 Qc7 10.Bd2 Bd7 11.O-O Bd6 12.Rfe1 O-O-O 13.Rad1 Bc6 14.h3 
h6 15.b4 Ba4 16.Rb1 Kb8 17.c4 Qd7 18.Ne5 Bxe5 19.Qxe5+ Ka8 20.Be3 Qxd3 21.
Qa5 b6 22.Qxa4 Qd7 23.b5 Qb7 24.c5 Nd5 25.cxb6 Nxe3 26.Rxe3 Qxb6 27.Rc3 
Rd2 28.Qe4+ Qb7 29.Rc6 Rhd8 30.Rbc1 Rd1+ 31.Rxd1 Rxd1+ 32.Kh2 Rd5 33.a4 
Qb8+ 34.g3 Qd8 35.Qc4 Kb7 36.Qc3 Rd2 37.Qf3 Qf6 38.Qxf6 gxf6 39.Kg2 Rd4 
40.a5 f5 41.a6+ Kb8 42.b6 axb6 43.Rxb6+ Ka7 44.Rb7+ Kxa6 45.Rxf7 Kb5 46.
Rf6 Re4 47.Rxh6 Kc5 48.Rf6 Kd6 49.Rf7 Ra4 50.h4 Ra8 51.Kf3 Ra3+ 52.Kg2 Ra8
53.Kh3 Ra1 54.f3 Ke5 55.Rb7 Ra3 56.Kg2 Ra2+ 57.Kh3 Ra3 58.f4+ Kf6 59.Rb2 
Kg6 60.Re2 Kh5 61.Re5 Rb3 62.Rxe6 Rxg3+ 63.Kxg3 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.07.29"]
[Round "1"]
[White "Portisch, Lajos"]
[Black "Beliavsky, Alexander"]
[Result "0-1"]
[WhiteElo "2590"]
[BlackElo "2605"]
[ECO "E58"]
[EventDate "1990.07.29"]
[PlyCount "154"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 d5 7.O-O O-O 8.a3 Bxc3 
9.bxc3 Qc7 10.cxd5 exd5 11.Nh4 Qa5 12.Bb2 Re8 13.Qc1 Bd7 14.Nf5 Qc7 15.Ng3
Na5 16.Qd1 Rad8 17.Re1 Ne4 18.Nf1 Bf5 19.f3 Nd6 20.Bxf5 Nxf5 21.Qd3 Nd6 
22.Rab1 cxd4 23.cxd4 Qc4 24.Qd2 Qa4 25.Bc1 Rc8 26.Qb4 Qxb4 27.axb4 Nac4 
28.Ng3 Nb5 29.Kf2 Ncd6 30.Rb2 Nxd4 31.Rd1 N4b5 32.Ne2 Nc4 33.Rb3 Nb6 34.
Rd2 f6 35.Bb2 Kf7 36.Ba1 Red8 37.Nd4 Nxd4 38.Bxd4 Nc4 39.Rd1 a6 40.g4 Rd7 
41.h4 Ke6 42.Kg3 Nd6 43.Rbd3 Rc4 44.Bc3 h5 45.gxh5 Nf5+ 46.Kf2 Rdc7 47.Be1
Rxh4 48.Rxd5 Rh2+ 49.Kg1 Rg2+ 50.Kxg2 Nxe3+ 51.Kg3 Nxd5 52.Rd4 Rc1 53.Re4+
Kf7 54.Kf2 Rc2+ 55.Kg3 Ne7 56.Kh3 Nc6 57.Bg3 Rd2 58.Kg4 Nd4 59.Re1 Rd3 60.
Rc1 Nc6 61.b5 axb5 62.Rc5 b4 63.Rb5 b3 64.f4 b6 65.Rxb6 Na5 66.Bh4 Nc4 67.
Rb7+ Ke6 68.f5+ Ke5 69.h6 Ne3+ 70.Kf3 Nd5+ 71.Ke2 Nf4+ 72.Kf2 gxh6 73.Rb5+
Nd5 74.Ke2 Ke4 75.Rb8 Nf4+ 76.Kf1 Rd1+ 77.Kf2 b2 0-1

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.07.29"]
[Round "1"]
[White "Van der Wiel, John"]
[Black "Azmaiparashvili, Zurab"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2575"]
[ECO "B06"]
[EventDate "1990.07.29"]
[PlyCount "33"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 a6 5.h4 h5 6.Qd2 b5 7.f3 Nd7 8.Nh3 Bb7 9.
a4 c6 10.Ng5 Ngf6 11.Be2 e5 12.axb5 axb5 13.Rxa8 Qxa8 14.O-O O-O 15.dxe5 
dxe5 16.Rd1 Re8 17.Qe1 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.07.30"]
[Round "2"]
[White "Beliavsky, Alexander"]
[Black "Azmaiparashvili, Zurab"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2575"]
[ECO "E01"]
[EventDate "1990.07.29"]
[PlyCount "87"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Bb4+ 5.Bd2 Be7 6.Bc3 b6 7.Nh3 Bb7 8.O-O Qc8
9.cxd5 Bxd5 10.Nf4 Bxg2 11.Kxg2 O-O 12.Nd2 Qb7+ 13.f3 Ng4 14.Nc4 Qc6 15.h3
Qxc4 16.hxg4 Nd7 17.Rh1 Rfd8 18.d5 e5 19.Qd3 Qxd3 20.Nxd3 Rac8 21.Rac1 c6 
22.Bxe5 cxd5 23.Bd4 Nc5 24.Nf4 Ne6 25.Rxc8 Nxf4+ 26.gxf4 Rxc8 27.Rh5 Rd8 
28.Kf2 Bc5 29.Bxc5 bxc5 30.Ke3 h6 31.Rh1 Kf8 32.Rc1 Re8+ 33.Kd2 Rb8 34.b3 
Rb5 35.e4 Ke7 36.exd5 Kd6 37.Ke3 Rb4 38.Rd1 a5 39.Rd3 a4 40.f5 axb3 41.
axb3 g6 42.fxg6 fxg6 43.Kf2 h5 44.gxh5 {Ftacnik,L} 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.07.30"]
[Round "2"]
[White "Kortschnoj, Viktor"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2630"]
[BlackElo "2555"]
[ECO "A85"]
[EventDate "1990.07.29"]
[PlyCount "126"]

1.d4 f5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Bb4 5.Qb3 Qe7 6.Bg5 b6 7.g3 Nc6 8.Bg2 Bb7 
9.O-O Na5 10.Qc2 Nxc4 11.Nb5 d5 12.Nxc7+ Qxc7 13.Qa4+ Qd7 14.Qxb4 a5 15.
Qe1 Rc8 16.a4 Nxb2 17.Qb1 Nc4 18.Ne5 Qc7 19.Nxc4 dxc4 20.Qb5+ Kf7 21.Bf4 
Qe7 22.Qxb6 Bxg2 23.Kxg2 Nd5 24.Qxa5 Qb7 25.f3 Qb2 26.Qa7+ Kg6 27.Be5 Rhg8
28.Qd7 Rce8 29.Rfe1 c3 30.Kh3 Qd2 31.Bf4 Qxd4 32.Qd6 c2 33.Qe5 Nxf4+ 34.
gxf4 Qxe5 35.fxe5 Rd8 36.Kg3 Rd2 37.a5 Ra8 38.a6 Rd4 39.Rec1 Rc4 40.Ra2 
Rc6 41.Rcxc2 Raxa6 42.Rxa6 Rxa6 43.Rc7 Ra5 44.f4 Ra3+ 45.Kf2 Ra4 46.Kf3 h6
47.Re7 Ra6 48.Rd7 Ra3+ 49.e3 Ra2 50.h4 Rh2 51.Kg3 Re2 52.h5+ Kxh5 53.Kf3 
Rb2 54.Rxg7 Ra2 55.Rf7 Ra6 56.Rf6 Rb6 57.Ke2 Ra6 58.Kf2 Ra2+ 59.Kf3 Ra6 
60.Ke2 Ra2+ 61.Kd3 Ra3+ 62.Kd4 Ra4+ 63.Kc5 Ra6 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.07.30"]
[Round "2"]
[White "Portisch, Lajos"]
[Black "Nunn, John Denis Martin"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2610"]
[ECO "E97"]
[EventDate "1990.07.29"]
[PlyCount "60"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.Be3 Re8 
9.dxe5 dxe5 10.Qxd8 Nxd8 11.Nb5 Ne6 12.Ng5 Re7 13.Rfd1 b6 14.a4 c6 15.Nxe6
Bxe6 16.Nc3 Rb7 17.b4 Bf8 18.Rab1 Nd7 19.b5 Rc8 20.Nd5 Nc5 21.bxc6 Rxc6 
22.a5 bxa5 23.Nf6+ Kh8 24.Rxb7 Nxb7 25.Nd7 Bd6 26.c5 Rc7 27.cxd6 Rxd7 28.
Bg5 Rxd6 29.Bf6+ Kg8 30.Bxe5 Rxd1+ 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.07.31"]
[Round "3"]
[White "Azmaiparashvili, Zurab"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2630"]
[ECO "A25"]
[EventDate "1990.07.29"]
[PlyCount "70"]

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Rb1 a5 5.a3 Bg7 6.b4 axb4 7.axb4 d6 8.Bg2 Nf6 
9.d3 O-O 10.Bg5 Ne7 11.Nf3 Ne8 12.O-O h6 13.Bxe7 Qxe7 14.Nd5 Qd8 15.b5 c6 
16.bxc6 bxc6 17.Nb6 Ra6 18.Nxc8 Qxc8 19.Ne1 Nc7 20.Nc2 Ne6 21.Nb4 Rb6 22.
Nc2 Qb7 23.Rxb6 Qxb6 24.Qb1 Rb8 25.Qxb6 Rxb6 26.Rc1 Nc5 27.Ne3 Kh7 28.g4 
Bf6 29.Nf1 Bh4 30.Ng3 Bxg3 31.hxg3 Kg7 32.Ra1 Rb2 33.Bf3 f5 34.gxf5 gxf5 
35.Kf1 e4 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.07.31"]
[Round "3"]
[White "Nunn, John Denis Martin"]
[Black "Beliavsky, Alexander"]
[Result "0-1"]
[WhiteElo "2610"]
[BlackElo "2605"]
[ECO "C78"]
[EventDate "1990.07.29"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bb7 7.c3 Nxe4 8.d4 Na5
9.Bc2 exd4 10.b4 Nc4 11.Bxe4 Bxe4 12.Re1 d5 13.Nxd4 c5 14.bxc5 Bxc5 15.f3 
O-O 16.fxe4 dxe4 17.Kh1 Re8 18.Be3 Nxe3 19.Rxe3 b4 20.Nd2 bxc3 21.N2b3 c2 
22.Qd2 Bb6 23.Rc3 e3 24.Rxe3 Rxe3 25.Qxe3 a5 26.a4 Qd7 27.Rc1 Qxa4 28.Rxc2
Qb4 29.Rd2 a4 30.Nc1 a3 31.h3 Qb1 32.Qg1 Rd8 33.Ncb3 a2 34.Rd1 Qb2 35.Qe1 
g6 36.Qe7 Qc3 37.Rf1 Qc4 38.Qf6 Rxd4 39.Nxd4 Bxd4 40.Qf4 Qxf1+ 0-1

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.07.31"]
[Round "3"]
[White "Van der Wiel, John"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2590"]
[ECO "B93"]
[EventDate "1990.07.29"]
[PlyCount "56"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Nbd7 8.Bd3 b5
9.a3 Be7 10.O-O O-O 11.Kh1 Re8 12.Qe2 Bb7 13.fxe5 dxe5 14.Nh4 g6 15.Bg5 
Qb6 16.a4 b4 17.Nb1 Nh5 18.Bxe7 Rxe7 19.Nf5 gxf5 20.Qxh5 fxe4 21.Qh4 exd3 
22.Qxe7 Qc6 23.Rg1 dxc2 24.Nd2 a5 25.Rac1 Rc8 26.Nb3 Qxa4 27.Rxc2 Rxc2 28.
Qg5+ Kh8 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.01"]
[Round "4"]
[White "Azmaiparashvili, Zurab"]
[Black "Nunn, John Denis Martin"]
[Result "0-1"]
[WhiteElo "2575"]
[BlackElo "2610"]
[ECO "E97"]
[EventDate "1990.07.29"]
[PlyCount "74"]

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 a5 10.a3 Bd7 11.b3 c5 12.Rb1 Ne8 13.b4 axb4 14.axb4 b6 15.Nb3 cxb4 
16.Nb5 f5 17.f3 Nf6 18.Bd3 Bxb5 19.cxb5 Nd7 20.Bd2 Nc5 21.Bxb4 Bh6 22.Re1 
fxe4 23.fxe4 Kg7 24.Bc4 Nb7 25.Nd4 exd4 26.Qxd4+ Rf6 27.e5 Rf4 28.Qc3 Kg8 
29.g3 Rf7 30.e6 Rf5 31.Rf1 Rc8 32.Qd4 Rxf1+ 33.Rxf1 Nf5 34.Rxf5 Bg7 35.
Qxg7+ Kxg7 36.Rf7+ Kg8 37.Bc3 Rc7 0-1

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.01"]
[Round "4"]
[White "Kortschnoj, Viktor"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2630"]
[BlackElo "2590"]
[ECO "E35"]
[EventDate "1990.07.29"]
[PlyCount "95"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5 6.Bg5 c5 7.dxc5 h6 8.Bh4 
Nc6 9.e3 g5 10.Bg3 Ne4 11.Nf3 Qa5 12.Nd2 Bxc3 13.bxc3 Qxc3 14.Qxc3 Nxc3 
15.f3 Bf5 16.Kf2 O-O 17.h4 Rfe8 18.hxg5 hxg5 19.Nb3 Kg7 20.Kg1 Rxe3 21.Bf2
Ne2+ 22.Bxe2 Rxe2 23.Nd4 Nxd4 24.Bxd4+ Kg6 25.g4 Bd3 26.Rh2 Rae8 27.Rd1 
Bc4 28.Rd2 R2e6 29.Kf2 Ra6 30.Kg3 Ra4 31.Rb2 Ba6 32.Rhd2 Re2 33.Rxe2 Bxe2 
34.Rxe2 Rxd4 35.Rb2 Ra4 36.Rxb7 Kf6 37.c6 Rxa2 38.Rb5 Rc2 39.Rxd5 Rxc6 40.
Ra5 a6 41.Kf2 Re6 42.Kg3 Kg6 43.Ra3 Kg7 44.Ra5 f6 45.f4 gxf4+ 46.Kxf4 Kf7 
47.g5 fxg5+ 48.Rxg5 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.01"]
[Round "4"]
[White "Van der Wiel, John"]
[Black "Beliavsky, Alexander"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2605"]
[ECO "C78"]
[EventDate "1990.07.29"]
[PlyCount "98"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bb7 7.Re1 Bc5 8.c3 d6 
9.d4 Bb6 10.Bg5 h6 11.Bh4 g5 12.Bg3 O-O 13.dxe5 Nxe5 14.Nxe5 dxe5 15.Qf3 
Re8 16.Nd2 Qe7 17.h3 Nd7 18.Nf1 Qf6 19.Nh2 Qxf3 20.Nxf3 Kg7 21.Rad1 Re7 
22.Kf1 a5 23.Bc2 b4 24.Nh2 h5 25.h4 g4 26.Kg1 bxc3 27.bxc3 Nc5 28.Nf1 Ree8
29.Kh2 a4 30.f3 gxf3 31.gxf3 Ba5 32.Bf2 Ne6 33.Ng3 Bxc3 34.Rg1 Kf8 35.Nf5 
Red8 36.Be3 Rxd1 37.Bh6+ Ke8 38.Rg8+ Kd7 39.Rxa8 Rf1 40.Bxa4+ c6 41.Rb8 
Kc7 42.Re8 Rxf3 43.Re7+ Kb6 44.Bd1 Rf2+ 45.Kg3 Rxa2 46.Bxh5 Be1+ 47.Kh3 
Ba6 48.Be3+ c5 49.Bxf7 Bf1+ 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.02"]
[Round "5"]
[White "Beliavsky, Alexander"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2630"]
[ECO "E20"]
[EventDate "1990.07.29"]
[PlyCount "76"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 c5 5.d5 d6 6.e4 O-O 7.Ne2 Nh5 8.g4 Qh4+ 9.
Kd2 Nf6 10.Qe1 Qxe1+ 11.Kxe1 Nbd7 12.Ng3 b5 13.g5 Ne8 14.cxb5 exd5 15.exd5
Nb6 16.Kf2 Bxc3 17.bxc3 Nxd5 18.Bd2 a6 19.a4 axb5 20.Bxb5 Ndc7 21.c4 f6 
22.Rhe1 Ra7 23.Ne4 Bb7 24.gxf6 Bxe4 25.Rxe4 Nxf6 26.Re2 d5 27.Kg2 d4 28.
Re5 Nxb5 29.cxb5 c4 30.a5 c3 31.Be1 Rb8 32.a6 c2 33.Bd2 Kf7 34.Kf2 Nd7 35.
Rd5 Ke6 36.Rxd4 Rxb5 37.Rc4 Rb1 38.Ra2 Rb6 {Ftacnik,L} 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.02"]
[Round "5"]
[White "Nunn, John Denis Martin"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2555"]
[ECO "C88"]
[EventDate "1990.07.29"]
[PlyCount "38"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 Bb7
9.d3 d6 10.Nc3 Na5 11.Ba2 b4 12.Ne2 c5 13.c3 bxc3 14.bxc3 c4 15.Ng3 cxd3 
16.Qxd3 Bc8 17.Bg5 Nb7 18.Be3 Qa5 19.Qc4 Ng4 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.02"]
[Round "5"]
[White "Portisch, Lajos"]
[Black "Azmaiparashvili, Zurab"]
[Result "1-0"]
[WhiteElo "2590"]
[BlackElo "2575"]
[ECO "A41"]
[EventDate "1990.07.29"]
[PlyCount "97"]

1.d4 d6 2.c4 e5 3.Nf3 exd4 4.Nxd4 g6 5.Nc3 Bg7 6.e4 Ne7 7.Bg5 O-O 8.Be2 
Nbc6 9.Nxc6 bxc6 10.Qd2 Be6 11.O-O Rb8 12.Rad1 c5 13.f4 f6 14.Bh4 Qd7 15.
Bf2 Qc8 16.b3 Rd8 17.Bh4 Re8 18.Bf3 Rb4 19.Rfe1 a5 20.Rc1 Qd7 21.Red1 Nc8 
22.Nd5 Bxd5 23.Qxd5+ Qf7 24.e5 fxe5 25.Qxf7+ Kxf7 26.Bd5+ Kf8 27.fxe5 Bxe5
28.Rf1+ Kg7 29.Rf7+ Kh6 30.Be1 Ne7 31.Bd2+ g5 32.Be4 Ng6 33.Re1 Re7 34.
Rxe7 Nxe7 35.Bxb4 axb4 36.Rf1 Bd4+ 37.Kh1 Ng8 38.Rf7 Nf6 39.Bf5 g4 40.Rxc7
Kg5 41.Bxh7 g3 42.hxg3 d5 43.cxd5 Nxd5 44.Rc6 Nf6 45.Bc2 Ng4 46.Rg6+ Kh5 
47.Bf5 Ne3 48.Rg8 Be5 49.Bd3 1-0

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.04"]
[Round "6"]
[White "Azmaiparashvili, Zurab"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2555"]
[ECO "D35"]
[EventDate "1990.07.29"]
[PlyCount "63"]

1.c4 c6 2.d4 d5 3.Nf3 Nf6 4.Nc3 e6 5.cxd5 exd5 6.Bg5 Be7 7.e3 Bf5 8.Bd3 
Bxd3 9.Qxd3 Nbd7 10.Rb1 O-O 11.b4 Ne4 12.Bxe7 Qxe7 13.O-O b5 14.Qc2 Nd6 
15.a4 a6 16.Rfe1 Nc4 17.Qb3 f5 18.Re2 Rfb8 19.Ra2 bxa4 20.Qxa4 Rb6 21.Nd2 
Nxd2 22.Rxd2 Rab8 23.Na2 Qd6 24.Rc2 Re8 25.g3 g5 26.Rbc1 Re6 27.Rc3 Nf6 
28.Qa5 Qb8 29.Kg2 Kg7 30.Qa4 Qe8 31.Qa5 Qb8 32.Qa4 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.04"]
[Round "6"]
[White "Beliavsky, Alexander"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2590"]
[ECO "E25"]
[EventDate "1990.07.29"]
[PlyCount "79"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 d5 5.a3 Bxc3+ 6.bxc3 c5 7.cxd5 Nxd5 8.dxc5
f5 9.Nh3 O-O 10.c4 Qh4+ 11.Nf2 Qf6 12.Bd2 Nc3 13.Qc1 Na4 14.Bg5 Qf7 15.Nd3
Nd7 16.Qe3 e5 17.c6 bxc6 18.Nxe5 Nxe5 19.Qxe5 Re8 20.Qa5 Nb6 21.e3 h6 22.
Bf4 Be6 23.Kf2 Bxc4 24.h4 Rad8 25.Rc1 Bxf1 26.Rhxf1 Nd5 27.Rxc6 Qh5 28.Rh1
Rd7 29.Qa4 Red8 30.Qc4 Kh7 31.Be5 Nb6 32.Qc1 Rd2+ 33.Kg3 Qf7 34.h5 Qe7 35.
Bf4 R2d7 36.Qc2 Qf7 37.e4 fxe4 38.Qxe4+ Kh8 39.Be5 Kg8 40.Rg6 {Time; 
Ftacnik,L} 1-0

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.04"]
[Round "6"]
[White "Kortschnoj, Viktor"]
[Black "Nunn, John Denis Martin"]
[Result "1-0"]
[WhiteElo "2630"]
[BlackElo "2610"]
[ECO "E99"]
[EventDate "1990.07.29"]
[PlyCount "99"]

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.Be3 f5 11.f3 f4 12.Bf2 g5 13.a4 Ng6 14.a5 Rf7 15.b4 Nf6 16.c5
Bf8 17.cxd6 Bxd6 18.Nd3 Rg7 19.Nc5 Nf8 20.Nb5 g4 21.Qe1 Qe8 22.fxg4 Nxg4 
23.Ra3 Qg6 24.Bf3 Qh6 25.h3 Nxf2 26.Kxf2 Be7 27.Qc1 b6 28.Nd3 bxa5 29.Nxc7
Rb8 30.Rxa5 Qb6+ 31.Ke2 Qd4 32.d6 Bxd6 33.Ne8 Be6 34.Nxd6 Qxd6 35.Rxe5 Rc8
36.Rc5 Rd8 37.Nxf4 Rf7 38.Nd5 Ng6 39.Rd1 Bxd5 40.exd5 Qg3 41.Rc8 Rdf8 42.
Rxf8+ Rxf8 43.Qc4 Ne5 44.Qe4 Qh2 45.Bg4 Ng6 46.Rf1 Nf4+ 47.Kd2 h5 48.Bxh5 
Nxh5 49.Qe6+ Kg7 50.Qg4+ 1-0

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.05"]
[Round "7"]
[White "Azmaiparashvili, Zurab"]
[Black "Beliavsky, Alexander"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2605"]
[ECO "A19"]
[EventDate "1990.07.29"]
[PlyCount "103"]

1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.d4 cxd4 6.Qxd4 Nc6 7.Qe4 d6 8.Nf3 Qa5
9.exd6 Bxd6 10.Bd2 Nf6 11.Qd3 Bb4 12.a3 Ne5 13.Nxe5 Qxe5+ 14.Be2 Be7 15.
O-O O-O 16.Rfd1 Bd7 17.Qe3 Qc7 18.Rac1 Rac8 19.Nb5 Bxb5 20.cxb5 Bc5 21.Qf3
Qe7 22.Be1 Rfd8 23.Rxd8+ Rxd8 24.Qf4 h6 25.Qc4 Rc8 26.Kf1 Rc7 27.Qb3 Bd4 
28.Rd1 Qc5 29.Qb4 Qxb4 30.Bxb4 Bxb2 31.Bf3 g5 32.h3 Be5 33.Rd8+ Kg7 34.Ke2
h5 35.g4 hxg4 36.hxg4 b6 37.Kd3 Rd7+ 38.Rxd7 Nxd7 39.Bc6 Nf6 40.f3 Kg6 41.
a4 Bc7 42.Kd4 Ng8 43.Bd7 Kf6 44.Ba3 Ne7 45.Bxe7+ Kxe7 46.Bc6 f5 47.Bb7 Kd7
48.gxf5 exf5 49.Bd5 Bh2 50.Bb3 Kd6 51.Bc2 Bg1+ 52.Kc4 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.05"]
[Round "7"]
[White "Nunn, John Denis Martin"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2590"]
[ECO "B93"]
[EventDate "1990.07.29"]
[PlyCount "31"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Nbd7 8.a4 Be7
9.Bd3 O-O 10.O-O Nc5 11.Kh1 exf4 12.Bxf4 Bg4 13.h3 Bh5 14.Qe1 Re8 15.Nd4 
Bg6 16.Rd1 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.05"]
[Round "7"]
[White "Van der Wiel, John"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2630"]
[ECO "C10"]
[EventDate "1990.07.29"]
[PlyCount "43"]

1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bg5 c5 8.
dxc5 Qa5+ 9.c3 Qxc5 10.Bd3 Bd7 11.O-O Bd6 12.Qe2 Bc6 13.Bxf6 gxf6 14.Nd4 
O-O-O 15.Nxc6 Qxc6 16.Rfd1 h5 17.Qe4 Qc7 18.h3 f5 19.Qf3 h4 20.a4 Rhg8 21.
a5 Qc6 22.Be2 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.06"]
[Round "8"]
[White "Beliavsky, Alexander"]
[Black "Nunn, John Denis Martin"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2610"]
[ECO "E81"]
[EventDate "1990.07.29"]
[PlyCount "60"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 c5 7.dxc5 dxc5 8.Qxd8 
Rxd8 9.Bxc5 Nc6 10.Ba3 a5 11.Nd5 Nxd5 12.cxd5 Nb4 13.O-O-O e6 14.Bc4 exd5 
15.Bxb4 axb4 16.Rxd5 Be6 17.Rxd8+ Rxd8 18.Bd5 Bh6+ 19.f4 Bxf4+ 20.Kb1 Bxd5
21.exd5 Rxd5 22.Nf3 g5 23.h3 h5 24.Re1 f5 25.Rf1 Kg7 26.g3 Be3 27.Re1 f4 
28.g4 Kf6 29.Kc2 Rd8 30.Rd1 Rxd1 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.06"]
[Round "8"]
[White "Kortschnoj, Viktor"]
[Black "Azmaiparashvili, Zurab"]
[Result "0-1"]
[WhiteElo "2630"]
[BlackElo "2575"]
[ECO "B07"]
[EventDate "1990.07.29"]
[PlyCount "132"]

1.Nf3 g6 2.d4 Bg7 3.e4 d6 4.c3 Nf6 5.Bd3 O-O 6.O-O Nc6 7.b4 Bg4 8.h3 Bxf3 
9.Qxf3 Nd7 10.b5 Nxd4 11.Qe3 Ne6 12.a4 Nec5 13.Bc2 a6 14.Ra3 Nb6 15.Qe2 
axb5 16.axb5 Qd7 17.Rxa8 Rxa8 18.Be3 Nba4 19.Bd4 Ra5 20.Bxa4 Bxd4 21.cxd4 
Nxa4 22.Qc2 c5 23.bxc6 Qxc6 24.Qxc6 bxc6 25.Rc1 c5 26.dxc5 Nxc5 27.Nc3 Ra3
28.e5 Rb3 29.Nd5 Kf8 30.Rc2 Rd3 31.Ne3 Ne6 32.Rc8+ Kg7 33.Re8 dxe5 34.Rxe7
Rd2 35.Ng4 Rd1+ 36.Kh2 Re1 37.h4 Re4 38.f3 Re1 39.Ra7 Nf4 40.Ra2 h5 41.Nf2
Re2 42.Rxe2 Nxe2 43.Nd3 Kf6 44.g3 Ke6 45.Kg2 Kd5 46.Nb4+ Kc5 47.Nd3+ Kd4 
48.Nb4 Nc1 49.Nc6+ Kd5 50.Ne7+ Kd6 51.Nc8+ Kd7 52.Nb6+ Kc6 53.Nc4 Kd5 54.
Na5 Nd3 55.Kf1 Nc5 56.Kf2 Ne6 57.Nb3 f5 58.Na5 Nd4 59.Nb7 f4 60.gxf4 exf4 
61.Kg2 Nf5 62.Kh3 Kd4 63.Na5 Ke3 64.Nc4+ Kxf3 65.Ne5+ Ke3 66.Nxg6 f3 0-1

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.06"]
[Round "8"]
[White "Portisch, Lajos"]
[Black "Van der Wiel, John"]
[Result "1-0"]
[WhiteElo "2590"]
[BlackElo "2555"]
[ECO "A90"]
[EventDate "1990.07.29"]
[PlyCount "97"]

1.d4 e6 2.c4 f5 3.g3 Nf6 4.Bg2 d5 5.Nf3 c6 6.O-O Bd6 7.b3 Qe7 8.Ne5 O-O 9.
Nd2 Bd7 10.Ndf3 Be8 11.Nd3 Nbd7 12.Bf4 Bxf4 13.Nxf4 h6 14.cxd5 cxd5 15.Rc1
g5 16.Nd3 Nb8 17.Rc8 Bb5 18.Rxf8+ Qxf8 19.h4 Qg7 20.hxg5 hxg5 21.Nc5 Ne4 
22.Nxe6 Qh6 23.Qc1 Qxe6 24.Nxg5 Qd7 25.Nxe4 dxe4 26.Qg5+ Kf8 27.Qf6+ Qf7 
28.Qh8+ Qg8 29.Qe5 Bd7 30.Qc7 Qd5 31.Qd8+ Kf7 32.e3 Bc6 33.Qh8 Qe6 34.Rc1 
Qf6 35.Qc8 Qe6 36.Qh8 Qf6 37.Qh7+ Kf8 38.Rc5 Bd7 39.Rc7 b6 40.Bf1 Qd6 41.
Bc4 Ke8 42.Qg8+ Ke7 43.Qg5+ Ke8 44.Be2 Nc6 45.Qg8+ Ke7 46.Rxd7+ Qxd7 47.
Qxa8 Nb4 48.a3 Nd3 49.Qg8 1-0

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.07"]
[Round "9"]
[White "Beliavsky, Alexander"]
[Black "Van der Wiel, John"]
[Result "1-0"]
[WhiteElo "2605"]
[BlackElo "2555"]
[ECO "A90"]
[EventDate "1990.07.29"]
[PlyCount "69"]

1.d4 e6 2.c4 f5 3.g3 Nf6 4.Bg2 d5 5.Nf3 c6 6.O-O Bd6 7.Bf4 Bxf4 8.gxf4 O-O
9.e3 Nbd7 10.Ne5 Nxe5 11.dxe5 Nd7 12.Nd2 Qe7 13.Rc1 Rd8 14.Qc2 Nf8 15.Nb3 
Ng6 16.cxd5 exd5 17.Nd4 Nh4 18.Bh3 g5 19.Kh1 g4 20.Rg1 h5 21.Bf1 Rf8 22.f3
Rf7 23.Qf2 Ng6 24.Bd3 Kg7 25.b4 a5 26.Qc2 Nh4 27.b5 cxb5 28.Qf2 Kf8 29.
Bxb5 Nxf3 30.Nxf3 gxf3 31.Qxf3 Be6 32.Rg6 d4 33.Rcg1 Qc5 34.Rxe6 Qxb5 35.
Qg2 1-0

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.07"]
[Round "9"]
[White "Nunn, John Denis Martin"]
[Black "Azmaiparashvili, Zurab"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2575"]
[ECO "C54"]
[EventDate "1990.07.29"]
[PlyCount "32"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.b4 Bb6 6.d3 d6 7.Nbd2 O-O 8.Bb3 Ne7
9.Nc4 Ng6 10.O-O Be6 11.Re1 h6 12.Nxb6 Bxb3 13.Qxb3 axb6 14.b5 Re8 15.Bd2 
Qd7 16.a4 d5 1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.07"]
[Round "9"]
[White "Portisch, Lajos"]
[Black "Kortschnoj, Viktor"]
[Result "1-0"]
[WhiteElo "2590"]
[BlackElo "2630"]
[ECO "D93"]
[EventDate "1990.07.29"]
[PlyCount "65"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.Rc1 O-O 6.e3 c6 7.Nf3 Be6 8.Ng5 Bf5 
9.Be2 h6 10.Nf3 dxc4 11.Bxc4 Nbd7 12.h3 g5 13.Bh2 c5 14.O-O Rc8 15.Qe2 
cxd4 16.Nxd4 Bg6 17.Bd3 Bxd3 18.Qxd3 Nc5 19.Qb1 Nd5 20.Rfd1 Bxd4 21.Rxd4 
Nxc3 22.Rxc3 Qb6 23.Qc2 Rc6 24.b4 Ne6 25.Rxc6 bxc6 26.Rc4 a5 27.Rxc6 Qxb4 
28.Be5 Ng7 29.Rxh6 f6 30.Qh7+ Kf7 31.Qg6+ Kg8 32.Rh7 Rf7 33.Kh2 {Ftacnik,L
} 1-0

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.09"]
[Round "10"]
[White "Azmaiparashvili, Zurab"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2590"]
[ECO "A30"]
[EventDate "1990.07.29"]
[PlyCount "29"]

1.Nf3 e6 2.g3 b6 3.Bg2 Bb7 4.O-O Nf6 5.c4 c5 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6
9.Rd1 a6 10.b3 Nbd7 11.e4 Rc8 12.Ba3 Nc5 13.e5 Bxf3 14.Bxf3 dxe5 15.Qxe5 
1/2-1/2

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.09"]
[Round "10"]
[White "Kortschnoj, Viktor"]
[Black "Beliavsky, Alexander"]
[Result "1-0"]
[WhiteElo "2630"]
[BlackElo "2605"]
[ECO "D37"]
[EventDate "1990.07.29"]
[PlyCount "59"]

1.c4 e6 2.Nc3 Nf6 3.Nf3 d5 4.d4 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 
Nc6 9.a3 Qa5 10.Nd2 Bb4 11.cxd5 exd5 12.Bd3 d4 13.O-O Bxc3 14.Nc4 Qh5 15.
bxc3 dxe3 16.Nxe3 Be6 17.Rab1 Nd5 18.Rb5 Rfd8 19.c4 Nd4 20.Qb2 Nxb5 21.
cxd5 Bxd5 22.Bxb5 Be4 23.Bc7 Rdc8 24.Rc1 Qg6 25.Bd7 Rf8 26.h4 Kh8 27.Bf4 
Rad8 28.Rc7 f6 29.Qb4 Rf7 30.h5 {Ftacnik,L} 1-0

[Event "9th OHRA Crown Group"]
[Site "Amsterdam NED"]
[Date "1990.08.09"]
[Round "10"]
[White "Van der Wiel, John"]
[Black "Nunn, John Denis Martin"]
[Result "1/2-1/2"]
[WhiteElo "2555"]
[BlackElo "2610"]
[ECO "C89"]
[EventDate "1990.07.29"]
[PlyCount "52"]

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.Bxd5 cxd5 13.d4 Bd6 14.Re3 Qh4 15.
h3 Qf4 16.Re5 Qf6 17.Re1 Qg6 18.Kh1 Bf5 19.Be3 Bc2 20.Qg4 Qxg4 21.hxg4 f5 
22.gxf5 Rxf5 23.Kg1 Rh5 24.Nd2 Bh2+ 25.Kh1 Bb8+ 26.Kg1 Bh2+ 1/2-1/2

