[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "1"]
[White "Darga, Klaus"]
[Black "Iskov, Gert"]
[Result "1-0"]
[WhiteElo "2495"]
[BlackElo "2400"]
[ECO "D47"]
[EventDate "1980.07.04"]
[PlyCount "53"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 Nf6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 
Bb7 9.e4 b4 10.Na4 c5 11.e5 Nd5 12.O-O cxd4 13.Re1 g6 14.Nxd4 a6 15.Qg4 
Qa5 16.b3 Bg7 17.Nxe6 fxe6 18.Qxe6+ Ne7 19.Bg5 Bf8 20.Bc4 Bd5 21.Bxd5 Qxd5
22.Qd6 Qb5 23.e6 Rd8 24.exd7+ Rxd7 25.Qf6 Rg8 26.Rac1 Qb7 27.Nc5 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "1"]
[White "Mestel, Andrew Jonathan"]
[Black "Savon, Vladimir"]
[Result "1-0"]
[WhiteElo "2485"]
[BlackElo "2510"]
[ECO "B92"]
[EventDate "1980.07.04"]
[PlyCount "79"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.a4 Be6 10.f4 Nbd7 11.Kh1 Rc8 12.Qe1 Bc4 13.a5 Re8 14.f5 d5 15.Bxc4 
dxc4 16.Nd2 Bb4 17.Qe2 Bxa5 18.g4 h6 19.Rg1 Bxc3 20.bxc3 Nh7 21.Nf3 f6 22.
h4 Rc6 23.Be3 Qe7 24.Rg3 Nc5 25.Bf2 b5 26.Rag1 Na4 27.Be1 Rd8 28.Rh3 Rcd6 
29.g5 fxg5 30.hxg5 Nxg5 31.Nxg5 hxg5 32.Qh2 Qf6 33.Bf2 Kf7 34.Be3 Rd1 35.
Rh7 Rxg1+ 36.Kxg1 Nxc3 37.Qh5+ Ke7 38.Bxg5 Rd1+ 39.Kh2 Rd2+ 40.Kh3 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "1"]
[White "Kristiansen, Jens"]
[Black "Fries-Nielsen, Niels Joergen"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2315"]
[ECO "C66"]
[EventDate "1980.07.04"]
[PlyCount "40"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 exd4 5.Nxd4 Bd7 6.Nc3 Nf6 7.O-O Be7 8.Bxc6
bxc6 9.Qf3 O-O 10.b3 Rb8 11.Bb2 Re8 12.Rfe1 Bf8 13.h3 Qc8 14.g4 h6 15.Re3 
Nh7 16.Qg2 Be7 17.Nf5 Bf6 18.Rae1 Qd8 19.Nd1 Bxb2 20.Nxb2 g6 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "1"]
[White "Plachetka, Jan"]
[Black "Csom, Istvan"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2510"]
[ECO "A10"]
[EventDate "1980.07.04"]
[PlyCount "42"]

1.Nf3 f5 2.g3 b6 3.Bg2 Bb7 4.O-O Nf6 5.c4 e6 6.Nc3 Bb4 7.Qc2 O-O 8.a3 Bxc3
9.Qxc3 a5 10.b4 Qe7 11.d3 d6 12.Bd2 Nbd7 13.Qb2 axb4 14.axb4 Rfc8 15.Rxa8 
Rxa8 16.Ra1 Qe8 17.Bc3 Rxa1+ 18.Qxa1 Qa8 19.Qxa8+ Bxa8 20.Nd4 Bxg2 21.Kxg2
Kf7 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "1"]
[White "Yusupov, Artur"]
[Black "Jakobsen, Ole"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2410"]
[ECO "D63"]
[EventDate "1980.07.04"]
[PlyCount "30"]

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 a6 8.Qc2 h6 
9.Bh4 dxc4 10.Bxc4 b5 11.Be2 c5 12.O-O cxd4 13.Nxd4 Bb7 14.a3 Rc8 15.Qb1 
Qb6 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "1"]
[White "Sloth, Joern"]
[Black "Fries-Nielsen, Jens Ove"]
[Result "1/2-1/2"]
[WhiteElo "2385"]
[BlackElo "2355"]
[ECO "E16"]
[EventDate "1980.07.04"]
[PlyCount "100"]

1.c4 e6 2.g3 Nf6 3.Bg2 d5 4.d4 Be7 5.Nf3 O-O 6.O-O b6 7.Nc3 Bb7 8.Ne5 c6 
9.Bf4 Nfd7 10.Nxd7 Qxd7 11.Qa4 dxc4 12.Qxc4 Na6 13.Rfd1 Rfd8 14.a3 Rac8 
15.b4 Nc7 16.Bxc7 Rxc7 17.Rac1 h6 18.e3 Rdc8 19.Ne2 Bd6 20.Nf4 Rd8 21.Nd3 
Qc8 22.Qb3 Ba6 23.Rc3 Bxd3 24.Rcxd3 Be7 25.Qc4 Qd7 26.Bf3 Rdc8 27.Kg2 Qd6 
28.Rc3 e5 29.dxe5 Qxe5 30.Rcd3 b5 31.Qb3 c5 32.bxc5 Rxc5 33.a4 bxa4 34.
Qxa4 a5 35.Rd5 Qf6 36.Rxc5 Rxc5 37.Qe8+ Kh7 38.Rd7 Re5 39.Ra7 g6 40.Ra8 
Qg7 41.Bd5 Rxd5 42.Qxe7 h5 43.Ra7 Rf5 44.e4 Re5 45.Qb7 g5 46.Qb3 Kg8 47.
Qb8+ Kh7 48.Qc7 g4 49.Rxa5 Qf6 50.Qxe5 Qf3+ 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "1"]
[White "Mortensen, Erling"]
[Black "Fuller, Maxwell"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2355"]
[ECO "A34"]
[EventDate "1980.07.04"]
[PlyCount "139"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 b6 4.e4 Bb7 5.Bd3 Nc6 6.O-O g6 7.Bc2 Bg7 8.d4 cxd4
9.Nxd4 O-O 10.Nxc6 dxc6 11.Qe2 e5 12.c5 Nd7 13.Be3 Qe7 14.cxb6 axb6 15.
Rfd1 Rfd8 16.Bb3 Nc5 17.Bxc5 Qxc5 18.Na4 Qb4 19.Qf3 Rxd1+ 20.Rxd1 Rf8 21.
a3 Qa5 22.h3 Bc8 23.Qe3 b5 24.Nc5 Rd8 25.Rd3 Rxd3 26.Nxd3 Qd8 27.Nb4 Qd6 
28.Qb6 Qd2 29.Nxc6 Bf6 30.Na7 Bh4 31.Qe3 Qxe3 32.fxe3 Bd7 33.Bd5 Bd8 34.
Kf2 Bb6 35.Nc6 Bxc6 36.Bxc6 b4 37.a4 Kf8 38.Ke2 Ke7 39.Bd5 Kd6 40.Bxf7 Bd8
41.Kd3 Kc5 42.Bd5 h6 43.b3 g5 44.Ke2 Kd6 45.Kf3 Ke7 46.Kg4 Kf6 47.h4 gxh4 
48.Kxh4 Kg6+ 49.Kg4 Kf6 50.Bb7 Bb6 51.Kh5 Kg7 52.Bc8 Bd8 53.Bd7 Bb6 54.Be8
Bd8 55.g4 Bg5 56.a5 Kf6 57.Bg6 Bxe3 58.Bf5 Bg5 59.Bc8 Kg7 60.a6 Be3 61.g5 
hxg5 62.Kg4 Kf6 63.Kf3 Bd4 64.Ke2 Ke7 65.Kd3 Kd8 66.Bg4 Kc7 67.Kc4 Bc3 68.
Kb5 Kb8 69.Kb6 Bd4+ 70.Kb5 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "2"]
[White "Csom, Istvan"]
[Black "Yusupov, Artur"]
[Result "0-1"]
[WhiteElo "2510"]
[BlackElo "2485"]
[ECO "D11"]
[EventDate "1980.07.04"]
[PlyCount "64"]

1.d4 d5 2.Nf3 Nf6 3.g3 c6 4.Bg2 Bg4 5.O-O Nbd7 6.b3 e6 7.Bb2 Bd6 8.Nbd2 
Qc7 9.c4 O-O 10.Re1 Rad8 11.a3 Rfe8 12.b4 Qb8 13.Qb3 e5 14.dxe5 Nxe5 15.
cxd5 cxd5 16.Rac1 h6 17.Nd4 a6 18.Nf1 Nc4 19.Bxd5 Nxd5 20.Qxc4 Nf6 21.Qc2 
Be5 22.Nf3 Bxb2 23.Qxb2 Ne4 24.Ne3 Bh3 25.Red1 Rxd1+ 26.Nxd1 Qd6 27.Qd4 
Qe7 28.Qe3 Qd7 29.Qb6 Nd2 30.Ne3 Nxf3+ 31.exf3 Qd2 32.Rd1 Qe2 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "2"]
[White "Fries-Nielsen, Jens Ove"]
[Black "Iskov, Gert"]
[Result "0-1"]
[WhiteElo "2355"]
[BlackElo "2400"]
[ECO "B05"]
[EventDate "1980.07.04"]
[PlyCount "78"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 c6 6.O-O Bxf3 7.Bxf3 dxe5 8.dxe5
e6 9.Qe2 Nd7 10.Re1 Qc7 11.Bd2 O-O-O 12.Nc3 Ne7 13.Bg5 h6 14.Bxe7 Bxe7 15.
a3 Nb6 16.Rad1 Rxd1 17.Rxd1 Rd8 18.Re1 Rd4 19.Nb1 Qd8 20.c3 Rd7 21.Be4 g5 
22.g3 Bf8 23.b4 Kb8 24.Bc2 Bg7 25.a4 a6 26.a5 Nd5 27.Qe4 Qc7 28.Kg2 c5 29.
Ba4 Rd8 30.h4 Bf8 31.hxg5 hxg5 32.Rd1 cxb4 33.c4 Ne7 34.Rxd8+ Qxd8 35.Qf3 
Nf5 36.Bc2 Nd4 37.Qd3 Be7 38.Bd1 Nc6 39.Qxd8+ Bxd8 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "2"]
[White "Sloth, Joern"]
[Black "Mestel, Andrew Jonathan"]
[Result "1/2-1/2"]
[WhiteElo "2385"]
[BlackElo "2485"]
[ECO "A36"]
[EventDate "1980.07.04"]
[PlyCount "58"]

1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.e3 Nc6 5.Ne2 e5 6.Nbc3 Nge7 7.d3 a6 8.b3 Rb8 
9.Bb2 b5 10.Qd2 d6 11.O-O O-O 12.Rfd1 Re8 13.Nd5 Nxd5 14.Bxd5 Ne7 15.Bg2 
Be6 16.Nc3 Qb6 17.Rab1 Rbd8 18.Nd5 Nxd5 19.cxd5 Bg4 20.Rdc1 b4 21.Rc4 Bd7 
22.d4 cxd4 23.Rxb4 Qa5 24.Rxd4 Qxa2 25.Ra1 Qxa1+ 26.Bxa1 exd4 27.Bxd4 Bxd4
28.Qxd4 Rb8 29.Qa7 Bb5 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "2"]
[White "Fries-Nielsen, Niels Joergen"]
[Black "Mortensen, Erling"]
[Result "1-0"]
[WhiteElo "2315"]
[BlackElo "2400"]
[ECO "E69"]
[EventDate "1980.07.04"]
[PlyCount "113"]

1.c4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.Nc3 e5 7.d4 Nbd7 8.e4 c6 
9.h3 a6 10.a4 a5 11.Be3 exd4 12.Nxd4 Re8 13.Qc2 Nc5 14.Rfe1 Qb6 15.Rad1 
Qb4 16.Na2 Qb6 17.Nc3 Be6 18.Nxe6 Rxe6 19.f4 Rae8 20.Qf2 Nfd7 21.f5 Re5 
22.Rxd6 Qb4 23.Red1 Nf6 24.fxg6 Ne6 25.gxf7+ Kxf7 26.Bf4 Nf8 27.Bh6 R8e6 
28.Rxe6 Rxe6 29.Bxg7 Kxg7 30.Rf1 Ng6 31.g4 h6 32.Qf5 Qe7 33.g5 hxg5 34.
Qxg5 Re5 35.Rf5 Kf7 36.Bf3 Rxf5 37.Qxf5 Ne5 38.Bh5+ Kf8 39.Be2 Kf7 40.Bh5+
Kf8 41.Ne2 Qd6 42.Nf4 Nxc4 43.Qc8+ Kg7 44.Ne6+ Kh7 45.Qxb7+ Nd7 46.Qxd7+ 
Qxd7 47.Nf8+ Kh6 48.Nxd7 Kxh5 49.b3 Nd2 50.Nc5 Kg5 51.Kf2 Kf4 52.h4 Nf3 
53.Ne6+ Kg4 54.h5 Ne5 55.h6 Nf7 56.h7 Kh5 57.Nd8 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "2"]
[White "Fuller, Maxwell"]
[Black "Plachetka, Jan"]
[Result "0-1"]
[WhiteElo "2355"]
[BlackElo "2480"]
[ECO "A01"]
[EventDate "1980.07.04"]
[PlyCount "102"]

1.b3 e5 2.Bb2 Nc6 3.e3 d6 4.Bb5 Ne7 5.Nf3 a6 6.Be2 Ng6 7.d4 Be7 8.dxe5 
dxe5 9.Qxd8+ Bxd8 10.Nc3 Be6 11.O-O f5 12.Rfd1 e4 13.Nd4 Nxd4 14.Rxd4 Bf6 
15.Rd2 Kf7 16.Na4 Bxb2 17.Nxb2 Rad8 18.Rad1 Rxd2 19.Rxd2 Ne5 20.f4 exf3 
21.gxf3 g5 22.f4 gxf4 23.exf4 Ng6 24.Nd3 Kf6 25.Bf3 b6 26.Bh5 Rd8 27.Bxg6 
hxg6 28.h4 c5 29.Kf2 c4 30.bxc4 Bxc4 31.Ke3 Bxa2 32.Nb4 Re8+ 33.Kf3 Bc4 
34.Rd4 Be2+ 35.Kf2 Kg7 36.Nd5 Bg4 37.Nxb6 Re2+ 38.Kg3 Rxc2 39.Rd7+ Kh6 40.
Ra7 Rc3+ 41.Kf2 Rf3+ 42.Kg2 Rxf4 43.Rxa6 Rd4 44.Ra4 Rd2+ 45.Kg3 Rd3+ 46.
Kg2 Kh5 47.Nc4 Rd4 48.Ra8 Bh3+ 49.Kg3 Rg4+ 50.Kf3 Bg2+ 51.Kf2 Bxa8 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "2"]
[White "Savon, Vladimir"]
[Black "Kristiansen, Jens"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2430"]
[ECO "A92"]
[EventDate "1980.07.04"]
[PlyCount "66"]

1.c4 e6 2.Nf3 f5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.d4 c6 7.b3 a5 8.Ba3 d6 9.
Nc3 Qe8 10.Re1 Na6 11.e4 Nxe4 12.Nxe4 fxe4 13.Rxe4 d5 14.Bxe7 dxe4 15.Bxf8
exf3 16.Bxg7 fxg2 17.Be5 Qg6 18.Qd2 b6 19.c5 Bb7 20.Bd6 bxc5 21.dxc5 Nb4 
22.Re1 Ba6 23.Kxg2 Nd3 24.Re3 a4 25.b4 Re8 26.f3 e5 27.Re4 Qf5 28.a3 Re6 
29.Qe3 Kg7 30.Rg4+ Rg6 31.Re4 Re6 32.Rg4+ Rg6 33.Re4 Re6 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "2"]
[White "Jakobsen, Ole"]
[Black "Darga, Klaus"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2495"]
[ECO "E12"]
[EventDate "1980.07.04"]
[PlyCount "47"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 exd5 7.Bf4 Be7 8.Rc1 c6
9.h3 O-O 10.e3 Bd6 11.Bxd6 Qxd6 12.Bd3 Nbd7 13.O-O c5 14.Re1 Rfd8 15.dxc5 
bxc5 16.e4 dxe4 17.Nxe4 Qb6 18.Qc2 Bxe4 19.Bxe4 Rab8 20.Re2 Re8 21.Rce1 
Nxe4 22.Rxe4 Rxe4 23.Rxe4 Nf8 24.h4 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "3"]
[White "Mortensen, Erling"]
[Black "Savon, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2510"]
[ECO "A39"]
[EventDate "1980.07.04"]
[PlyCount "80"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.d4 c5 6.Nf3 cxd4 7.Nxd4 Nc6 8.O-O 
Qa5 9.Nb3 Qh5 10.e4 Qxd1 11.Rxd1 d6 12.h3 Be6 13.Nd5 Nd7 14.Rb1 Rac8 15.
Be3 b6 16.Nd2 Nc5 17.b3 Bxd5 18.exd5 Nb4 19.a3 Nc2 20.Bxc5 bxc5 21.Be4 Nd4
22.Re1 f5 23.Bg2 Rc7 24.Nf3 f4 25.g4 a5 26.Nxd4 Bxd4 27.Be4 f3 28.Rbd1 Rb7
29.Bc2 a4 30.Rb1 axb3 31.Rxb3 Rxb3 32.Bxb3 Rb8 33.Rb1 Kf7 34.Bc2 Rxb1+ 35.
Bxb1 Kf6 36.Be4 Ke5 37.Bxf3 Kf4 38.Kg2 g5 39.Bd1 Bb2 40.a4 Bc3 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "3"]
[White "Iskov, Gert"]
[Black "Jakobsen, Ole"]
[Result "1-0"]
[WhiteElo "2400"]
[BlackElo "2410"]
[ECO "B93"]
[EventDate "1980.07.04"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.Be2 e5 8.Nb3 b5 
9.a3 Bb7 10.Bf3 Nbd7 11.O-O Rc8 12.Kh1 Be7 13.g4 h6 14.g5 hxg5 15.fxg5 Nh7
16.g6 fxg6 17.Bg2 Nhf6 18.Qf3 Nf8 19.Bg5 Qd7 20.Bxf6 gxf6 21.Qd3 Ne6 22.
Nd5 Bxd5 23.exd5 Nf8 24.Na5 f5 25.Nc6 Bf6 26.a4 Qh7 27.h3 e4 28.Qg3 b4 29.
Qxd6 Bxb2 30.Rae1 Qd7 31.Qxb4 Bf6 32.Bxe4 Rxh3+ 33.Kg2 Kf7 34.Kxh3 fxe4+ 
35.Kh2 Kg7 36.Qxe4 Qd6+ 37.Qf4 Rxc6 38.dxc6 Qxc6 39.c4 Nd7 40.a5 Qc5 41.
Kg2 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "3"]
[White "Kristiansen, Jens"]
[Black "Sloth, Joern"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2385"]
[ECO "A06"]
[EventDate "1980.07.04"]
[PlyCount "40"]

1.Nf3 d5 2.b3 Bg4 3.Bb2 Nd7 4.g3 Bxf3 5.exf3 Ngf6 6.Bg2 e5 7.O-O Bd6 8.d4 
O-O 9.dxe5 Bxe5 10.Nc3 c6 11.f4 Bd6 12.Ne2 Re8 13.Nd4 Bf8 14.c4 dxc4 15.
bxc4 Qa5 16.Qc2 Ba3 17.Bc3 Bb4 18.Bb2 Ba3 19.Bc3 Bb4 20.Bb2 Ba3 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "3"]
[White "Mestel, Andrew Jonathan"]
[Black "Fries-Nielsen, Jens Ove"]
[Result "1-0"]
[WhiteElo "2485"]
[BlackElo "2355"]
[ECO "B07"]
[EventDate "1980.07.04"]
[PlyCount "77"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nge2 Bg7 5.g3 Nbd7 6.Bg2 O-O 7.O-O c5 8.a4 
cxd4 9.Nxd4 a6 10.h3 e5 11.Nde2 Qc7 12.Be3 Nb6 13.b3 Be6 14.Qd2 Rad8 15.a5
Nc8 16.Ra2 Qd7 17.Kh2 Kh8 18.Nd5 Bxd5 19.exd5 Ne7 20.c4 h5 21.b4 Rc8 22.
Rc2 Kh7 23.Rd1 Rfd8 24.Qc3 Qf5 25.Qb3 Bh6 26.Rcc1 Bxe3 27.Qxe3 Rc7 28.c5 
Rcc8 29.Nc3 Kg7 30.Na4 e4 31.Nb6 Nexd5 32.Nxd5 Nxd5 33.Qxe4 Qxe4 34.Bxe4 
Nxb4 35.Bxb7 dxc5 36.Bxc8 Rxc8 37.Rc3 Kh6 38.Rd6 c4 39.Rd4 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "3"]
[White "Plachetka, Jan"]
[Black "Fries-Nielsen, Niels Joergen"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2315"]
[ECO "D61"]
[EventDate "1980.07.04"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Be7 7.Qc2 O-O 8.Bd3 h6 
9.Bf4 dxc4 10.Bxc4 Nb6 11.Bb3 Nbd5 12.Bg3 b6 13.O-O Bb7 14.Rfd1 Qc8 15.
Rac1 Nxc3 16.Qxc3 c5 17.Ne5 Bd5 18.Bxd5 exd5 19.dxc5 bxc5 20.Qa5 Qe6 21.
Nd3 Qb6 22.Bc7 Qxa5 23.Bxa5 Rab8 24.Bc3 Rfd8 25.Be5 Rbc8 26.Nf4 Kf8 27.b3 
Nd7 28.Bc3 Nb6 29.Kf1 d4 30.exd4 cxd4 31.Bd2 Ba3 32.Rxc8 Rxc8 33.Ba5 Bb2 
34.Ke2 g5 35.Bxb6 axb6 36.Nd3 Bc3 37.a4 b5 38.axb5 Rb8 39.g4 Rxb5 40.b4 f5
41.h3 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "3"]
[White "Darga, Klaus"]
[Black "Csom, Istvan"]
[Result "1/2-1/2"]
[WhiteElo "2495"]
[BlackElo "2510"]
[ECO "E12"]
[EventDate "1980.07.04"]
[PlyCount "94"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 c5 5.e3 Bb7 6.Nc3 cxd4 7.exd4 d6 8.d5 e5 9.
Be2 Be7 10.O-O O-O 11.Ne1 Nbd7 12.b4 a6 13.Qb3 Qc7 14.Bd2 Rfe8 15.Nc2 Bf8 
16.a4 a5 17.Nb5 Qc8 18.Be3 g6 19.Rfd1 axb4 20.Nxb4 Ne4 21.Qc2 Nec5 22.Ra3 
Nb8 23.Na2 Qd8 24.Nb4 f5 25.Bf3 Qd7 26.h3 Rc8 27.Qa2 Nba6 28.Nxa6 Rxa6 29.
Be2 Rca8 30.Bxc5 bxc5 31.Rb1 Be7 32.Bd1 Bd8 33.g4 Bc8 34.gxf5 Qxf5 35.Bg4 
Qg5 36.Rg3 Bxg4 37.Rxg4 Qh5 38.Nc3 Qxh3 39.Rg3 Qh4 40.Rb7 Ba5 41.Qb1 Rf8 
42.Rxg6+ Kh8 43.Rgg7 Qxf2+ 44.Kh1 Qh4+ 45.Kg1 Qf2+ 46.Kh1 Qf3+ 47.Kh2 Qf2+
1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "3"]
[White "Yusupov, Artur"]
[Black "Fuller, Maxwell"]
[Result "1-0"]
[WhiteElo "2485"]
[BlackElo "2355"]
[ECO "A48"]
[EventDate "1980.07.04"]
[PlyCount "81"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.Be2 O-O 6.h3 Nbd7 7.O-O Qe8 8.c4 e5 
9.Bh2 Ne4 10.Nbd2 Nxd2 11.Qxd2 e4 12.Ne1 Qe7 13.Nc2 Nf6 14.Rac1 h5 15.Na3 
Bf5 16.c5 d5 17.Nb5 Rfc8 18.Qa5 Ne8 19.c6 b6 20.Qa4 Qe6 21.Qb3 a6 22.Nc3 
Rd8 23.Bf4 Bf6 24.f3 g5 25.Bh2 exf3 26.Bxf3 g4 27.Bxd5 Qxe3+ 28.Kh1 gxh3 
29.Rce1 hxg2+ 30.Bxg2 Qg5 31.Ne4 Qg6 32.Nxf6+ Nxf6 33.Qf3 Be4 34.Rxe4 Nxe4
35.Qxe4 Qxe4 36.Bxe4 Rxd4 37.Rg1+ Kf8 38.Bxc7 Re8 39.Bxb6 Rc4 40.Bf3 Re6 
41.b4 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "4"]
[White "Fries-Nielsen, Niels Joergen"]
[Black "Yusupov, Artur"]
[Result "1/2-1/2"]
[WhiteElo "2315"]
[BlackElo "2485"]
[ECO "B20"]
[EventDate "1980.07.04"]
[PlyCount "35"]

1.e4 c5 2.g3 Nc6 3.Bg2 e6 4.d3 g6 5.Nh3 Bg7 6.O-O Nge7 7.f4 d6 8.c3 O-O 9.
Be3 Rb8 10.a4 a6 11.Qc1 Bd7 12.Nd2 b5 13.axb5 axb5 14.Ng5 Ra8 15.Rxa8 Qxa8
16.e5 dxe5 17.Bxc5 Qd8 18.Nde4 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "4"]
[White "Mestel, Andrew Jonathan"]
[Black "Kristiansen, Jens"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2430"]
[ECO "B80"]
[EventDate "1980.07.04"]
[PlyCount "107"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g3 e6 7.Bg2 Bd7 8.O-O 
Be7 9.Re1 O-O 10.Ndb5 Ne8 11.a4 a6 12.Nd4 Nf6 13.Nxc6 bxc6 14.a5 Rb8 15.b3
Bc8 16.Bf4 e5 17.Be3 Bb7 18.Na4 Nd7 19.c4 c5 20.Nc3 Nf6 21.Qd3 Bc6 22.Ra3 
Qc7 23.Bd2 Rfe8 24.Qc2 Rb7 25.Rc1 Reb8 26.Bf1 Qd8 27.Rb1 h6 28.Ra2 Qe8 29.
Bg2 Bf8 30.Rab2 Be7 31.h3 Bd8 32.Na2 Nd7 33.Qd3 Bc7 34.Nc3 Nf6 35.Nd5 Nxd5
36.exd5 Bd7 37.Bc3 Qd8 38.b4 cxb4 39.Rxb4 Rxb4 40.Rxb4 Rxb4 41.Bxb4 Bc8 
42.Qc3 Bd7 43.c5 dxc5 44.Qxc5 Qb8 45.Bf1 e4 46.d6 Bd8 47.Bxa6 e3 48.Bc4 
exf2+ 49.Qxf2 Bf6 50.Qd2 Qb7 51.a6 Qe4 52.Qd3 Qe5 53.Bd2 Bf5 54.Qb3 
1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "4"]
[White "Fuller, Maxwell"]
[Black "Darga, Klaus"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2495"]
[ECO "A30"]
[EventDate "1980.07.04"]
[PlyCount "53"]

1.b3 Nf6 2.Bb2 e6 3.f4 c5 4.e3 Be7 5.Nf3 O-O 6.Be2 Nc6 7.O-O b6 8.c4 Bb7 
9.Ne5 d6 10.Nxc6 Bxc6 11.d3 Qc7 12.Nc3 a6 13.Bf3 d5 14.Qe2 b5 15.e4 d4 16.
Nd1 Nd7 17.Bc1 bxc4 18.dxc4 e5 19.f5 a5 20.a4 Rfb8 21.Ra3 Qd8 22.Nf2 Ra6 
23.Nh3 Ba8 24.g4 h6 25.Rd1 Nf8 26.Rd3 Nh7 27.Bg2 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "4"]
[White "Csom, Istvan"]
[Black "Iskov, Gert"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2400"]
[ECO "A30"]
[EventDate "1980.07.04"]
[PlyCount "77"]

1.c4 Nf6 2.Nf3 c5 3.g3 d5 4.Bg2 Nc6 5.cxd5 Nxd5 6.d4 cxd4 7.Nxd4 Ndb4 8.
Nxc6 Qxd1+ 9.Kxd1 Nxc6 10.Bxc6+ bxc6 11.Nc3 g6 12.Be3 Bg7 13.Rc1 Be6 14.b3
O-O-O+ 15.Ke1 Bxc3+ 16.Rxc3 Kb7 17.f3 Rhe8 18.Kf2 Bd5 19.Rd1 f5 20.Rd4 Ra8
21.Rb4+ Kc7 22.Bc5 e5 23.e4 Bg8 24.Rc2 Red8 25.Be3 Rf8 26.Kg2 Rfd8 27.Rb5 
Rd3 28.Kf2 fxe4 29.fxe4 Re8 30.Ra5 Be6 31.Rxa7+ Kb8 32.Rxh7 Rf8+ 33.Ke2 
Rd6 34.h3 Rd7 35.Rh6 Rdf7 36.Rxc6 Bd7 37.Rcxg6 Bb5+ 38.Kd2 Rd7+ 39.Rd6 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "4"]
[White "Savon, Vladimir"]
[Black "Plachetka, Jan"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2480"]
[ECO "B16"]
[EventDate "1980.07.04"]
[PlyCount "97"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 6.Ne2 h5 7.Qd3 Na6 8.a3
Nc7 9.c4 e5 10.Be3 c5 11.Qe4 Ne6 12.dxe5 fxe5 13.Rd1 Qa5+ 14.Bd2 Qc7 15.
Bc3 Bg7 16.f4 f5 17.Qxf5 Nxf4 18.Qg5 Ne6 19.Qg6+ Qf7 20.Qxf7+ Kxf7 21.Rd5 
Rd8 22.Rxd8 Nxd8 23.Ng3 h4 24.Nh5 Bh8 25.Bd3 Bg4 26.O-O+ Ke7 27.Nf4 exf4 
28.Bxh8 Ne6 29.Be5 Rd8 30.Be4 Be2 31.Re1 Bxc4 32.Bxb7 Kf7 33.Bf3 Kg6 34.
Bg4 Kg5 35.h3 Rd3 36.Bc3 Re3 37.Bd2 Rxe1+ 38.Bxe1 Nd4 39.Ba5 Nf5 40.Bd8+ 
Kg6 41.Kf2 Bd5 42.Bf3 Bxf3 43.Kxf3 Ne3 44.Bxh4 a6 45.Bf2 Nc4 46.Bxc5 Kf5 
47.Bd4 Nd2+ 48.Ke2 Ne4 49.b4 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "4"]
[White "Fries-Nielsen, Jens Ove"]
[Black "Jakobsen, Ole"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2410"]
[ECO "B91"]
[EventDate "1980.07.04"]
[PlyCount "49"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Nbd7 8.Bg2 
b5 9.O-O Bb7 10.Nd5 Nxd5 11.exd5 Be7 12.Nc3 O-O 13.a3 Rc8 14.Be3 Nb6 15.
Qe2 Nc4 16.Bc1 f5 17.Nd1 Bf6 18.Ne3 g6 19.Nxc4 Rxc4 20.c3 Bg7 21.a4 e4 22.
axb5 axb5 23.Rd1 Re8 24.Be3 Qd7 25.Qc2 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "4"]
[White "Sloth, Joern"]
[Black "Mortensen, Erling"]
[Result "1-0"]
[WhiteElo "2385"]
[BlackElo "2400"]
[ECO "A20"]
[EventDate "1980.07.04"]
[PlyCount "80"]

1.c4 e5 2.g3 Nf6 3.Bg2 c6 4.d4 exd4 5.Qxd4 d5 6.Nf3 Be7 7.cxd5 cxd5 8.O-O 
Nc6 9.Qd1 O-O 10.Be3 Bg4 11.Nd4 Qd7 12.Nd2 Rfe8 13.N2f3 Rac8 14.Rc1 Bd8 
15.Nb3 Bb6 16.Bxb6 axb6 17.Re1 h6 18.Qd2 Ne4 19.Qd1 Qf5 20.Nbd4 Qf6 21.
Nxc6 bxc6 22.Qd4 Qd8 23.Red1 Be6 24.Nd2 c5 25.Qd3 Nf6 26.e3 Bg4 27.Bf3 Qd7
28.Bxg4 Qxg4 29.Kg2 Rcd8 30.Nf3 Re6 31.h3 Qa4 32.a3 Qc6 33.Nd4 Qb7 34.Nxe6
fxe6 35.Qe2 d4+ 36.Kh2 Qe4 37.f3 Qe5 38.e4 h5 39.h4 b5 40.Qxb5 Rb8 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "5"]
[White "Jakobsen, Ole"]
[Black "Csom, Istvan"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2510"]
[ECO "A56"]
[EventDate "1980.07.04"]
[PlyCount "100"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 c5 5.e3 d6 6.Nc3 Be7 7.d5 e5 8.e4 Nbd7 9.
Be2 O-O 10.O-O Ne8 11.b4 g6 12.Bh6 Ng7 13.Qd2 Nf6 14.Ne1 Kh8 15.Nd3 Ng8 
16.Be3 f5 17.f3 f4 18.Bf2 Bh4 19.a4 Bxf2+ 20.Rxf2 a5 21.bxc5 bxc5 22.Rb1 
Nh6 23.Rff1 Ne8 24.Qb2 Nf7 25.Qb6 Nc7 26.Nb5 Na6 27.Qxd8 Rxd8 28.Kf2 Bd7 
29.Nb2 Kg7 30.Rh1 Kf6 31.g4 h5 32.gxh5 gxh5 33.h4 Rg8 34.Rbg1 Nb4 35.Nd1 
Ke7 36.Bf1 Rab8 37.Be2 Na2 38.Bf1 Rbf8 39.Be2 Nb4 40.Bf1 Nc2 41.Bd3 Nd4 
42.Ndc3 Nh6 43.Ne2 Rxg1 44.Rxg1 Rg8 45.Rh1 Nf7 46.Nbc3 Rb8 47.Nb5 Nh6 48.
Rg1 Rg8 49.Rh1 Nf7 50.Nbc3 Rb8 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "5"]
[White "Iskov, Gert"]
[Black "Fuller, Maxwell"]
[Result "0-1"]
[WhiteElo "2400"]
[BlackElo "2355"]
[ECO "B15"]
[EventDate "1980.07.04"]
[PlyCount "116"]

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.Nf3 d5 5.h3 dxe4 6.Nxe4 Nd7 7.Bc4 Ngf6 8.Nxf6+
Nxf6 9.O-O O-O 10.Re1 Bf5 11.Bg5 Be4 12.Ne5 Bd5 13.Bb3 Ne4 14.Bf4 Bxb3 15.
axb3 Nf6 16.b4 Nd5 17.Bd2 Nb6 18.Bc1 a6 19.c3 Nd7 20.Nf3 e5 21.Bg5 Qc7 22.
d5 cxd5 23.Qxd5 Rfe8 24.Rad1 Nb6 25.Qd6 Qxd6 26.Rxd6 Nc4 27.Rd7 Nxb2 28.
Rxb7 Rac8 29.Be7 Nd3 30.Ra1 Rxc3 31.Rxa6 Rc1+ 32.Kh2 Nxf2 33.Ng5 e4 34.Bf6
e3 35.Re7 Bxf6 36.Rxe8+ Kg7 37.Nf3 h5 38.Rxe3 h4 39.Re1 Rc2 40.Rf1 Rb2 41.
Rc6 g5 42.Rxf6 Kxf6 43.Kg1 Nd3 44.Ne1+ Nf4 45.Nd3 Rxg2+ 46.Kh1 Rd2 47.Nxf4
gxf4 48.Rxf4+ Ke5 49.Rxh4 Rb2 50.Kg1 f5 51.Rc4 Kd5 52.Rf4 Ke5 53.Rc4 Kd5 
54.Rc5+ Ke4 55.b5 f4 56.h4 f3 57.h5 Ke3 58.Rf5 Rb1+ 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "5"]
[White "Kristiansen, Jens"]
[Black "Fries-Nielsen, Jens Ove"]
[Result "1-0"]
[WhiteElo "2430"]
[BlackElo "2355"]
[ECO "C60"]
[EventDate "1980.07.04"]
[PlyCount "57"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.c3 d6 5.d4 Bd7 6.O-O Bg7 7.dxe5 dxe5 8.Be3 
Nge7 9.Nbd2 O-O 10.a4 a6 11.Be2 b6 12.Nc4 a5 13.Qb1 Qe8 14.Rd1 Kh8 15.b4 
axb4 16.cxb4 Bg4 17.b5 Bxf3 18.Bxf3 Nd4 19.Nxe5 Nxf3+ 20.Nxf3 Bxa1 21.
Qxa1+ f6 22.Bh6 Rf7 23.Ng5 Ng8 24.Nxf7+ Qxf7 25.Bc1 Qc4 26.Bb2 Kg7 27.e5 
fxe5 28.Bxe5+ Kh6 29.Bg7+ 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "5"]
[White "Yusupov, Artur"]
[Black "Savon, Vladimir"]
[Result "0-1"]
[WhiteElo "2485"]
[BlackElo "2510"]
[ECO "E81"]
[EventDate "1980.07.04"]
[PlyCount "160"]

1.c4 Nf6 2.Nc3 g6 3.d4 Bg7 4.e4 d6 5.f3 O-O 6.Bg5 c5 7.d5 e6 8.Qd2 exd5 9.
Nxd5 Be6 10.Ne2 Bxd5 11.cxd5 Nbd7 12.Nc3 a6 13.a4 Qc7 14.Be2 c4 15.O-O b5 
16.axb5 axb5 17.Be3 Qb7 18.Rfb1 Rfc8 19.b4 h5 20.Bd4 Ne8 21.f4 Nc7 22.Bxg7
Kxg7 23.Qd4+ f6 24.g4 hxg4 25.Bxg4 Rd8 26.Rxa8 Qxa8 27.Re1 Qa3 28.Bxd7 
Rxd7 29.e5 Qxb4 30.e6 Re7 31.Rb1 Qa3 32.f5 b4 33.Ne4 Ne8 34.Qxc4 Qe3+ 35.
Nf2 Qg5+ 36.Kf1 Qxf5 37.Rxb4 Nc7 38.Rb3 Qxd5 39.Qxd5 Nxd5 40.Rd3 Nf4 41.
Rxd6 Nxe6 42.Kg2 Ng5 43.Ra6 Re2 44.Kf1 Re7 45.Kg2 Ne6 46.Rd6 Nf4+ 47.Kf3 
Nh5 48.Ne4 Kf7 49.Ra6 Rc7 50.Nd6+ Ke7 51.Ne4 Rb7 52.Nc5 Rb2 53.Ra7+ Kf8 
54.h4 Rh2 55.Ke4 Rxh4+ 56.Kd5 Rh1 57.Ne6+ Kg8 58.Kd6 Re1 59.Rb7 Re3 60.Ra7
Re5 61.Ra8+ Kh7 62.Ra7+ Kh6 63.Nd8 Re8 64.Nf7+ Kh7 65.Ng5+ Kg8 66.Ne6 Rb8 
67.Kc7 Rb5 68.Kd6 g5 69.Nc7 Rb6+ 70.Ke7 Ng7 71.Ra8+ Kh7 72.Kf7 Nh5 73.Nd5 
Rd6 74.Ra7 f5 75.Re7 f4 76.Re5 Kh6 77.Rf5 g4 78.Ne7 Rf6+ 79.Rxf6+ Nxf6 80.
Kxf6 g3 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "5"]
[White "Mortensen, Erling"]
[Black "Mestel, Andrew Jonathan"]
[Result "0-1"]
[WhiteElo "2400"]
[BlackElo "2485"]
[ECO "A34"]
[EventDate "1980.07.04"]
[PlyCount "142"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 e6 4.e3 d6 5.d4 Nbd7 6.g3 Qc7 7.b3 a6 8.Bb2 Rb8 9.
Qe2 Qa5 10.Bg2 Be7 11.O-O O-O 12.Rfd1 b5 13.dxc5 Nxc5 14.Nd2 Bb7 15.Bxb7 
Rxb7 16.Qf3 Rc7 17.e4 Nfd7 18.cxb5 Ne5 19.Qe2 Ncd3 20.Nc4 Nxc4 21.Rxd3 
Nxb2 22.Qxb2 axb5 23.b4 Qb6 24.Rad1 Rfc8 25.Qb3 Rc4 26.a4 bxa4 27.Nxa4 
Qxb4 28.Nb6 Qxb3 29.Rxb3 Rc1 30.Nxc8 Rxd1+ 31.Kg2 Bf8 32.Rb7 g5 33.Rd7 Kg7
34.Kf3 Kg6 35.Rd8 Kg7 36.Rd7 h5 37.h3 d5 38.exd5 exd5 39.Ke2 Rc1 40.Nd6 
Bxd6 41.Rxd6 Rc5 42.Ke3 f6 43.f4 Rc3+ 44.Kf2 gxf4 45.gxf4 Rc5 46.f5 Rc3 
47.Kg2 h4 48.Rxd5 Kh6 49.Rd8 Rg3+ 50.Kh2 Rf3 51.Kg2 Rg3+ 52.Kh2 Rg7 53.Rd4
Kh5 54.Ra4 Re7 55.Kg2 Re5 56.Ra8 Kg5 57.Rh8 Re3 58.Rh7 Rg3+ 59.Kh2 Rf3 60.
Kg2 Rf4 61.Ra7 Rxf5 62.Rg7+ Kh6 63.Ra7 Rg5+ 64.Kh2 Rg3 65.Rf7 Rg6 66.Ra7 
f5 67.Ra4 Kg5 68.Ra8 Rb6 69.Ra2 Rb3 70.Kg2 Re3 71.Ra8 Kf4 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "5"]
[White "Plachetka, Jan"]
[Black "Sloth, Joern"]
[Result "1-0"]
[WhiteElo "2480"]
[BlackElo "2385"]
[ECO "E13"]
[EventDate "1980.07.04"]
[PlyCount "103"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.Bg5 Bb7 6.e3 h6 7.Bh4 g5 8.Bg3 Ne4 
9.Qc2 Bxc3+ 10.bxc3 Nxg3 11.fxg3 Bxf3 12.gxf3 Nc6 13.Bg2 Na5 14.Qa4 c5 15.
O-O Rc8 16.d5 Qf6 17.Rad1 O-O 18.Rd3 exd5 19.cxd5 d6 20.e4 Rce8 21.Bh3 Kh8
22.Bf5 Re5 23.c4 Rfe8 24.f4 gxf4 25.Rxf4 Rg8 26.Kh1 Re7 27.Qc2 Rg5 28.h4 
Rg7 29.Kh2 Qa1 30.Rd1 Qe5 31.Rf3 Kg8 32.Qc1 Rc7 33.Rdf1 Qd4 34.Qxh6 Nxc4 
35.R1f2 Qe5 36.Be6 Qxe4 37.Qf6 fxe6 38.Qd8+ Kh7 39.Rf8 Rce7 40.Rh8+ Kg6 
41.h5+ Kg5 42.Qf8 Qe5 43.h6 Ne3 44.hxg7 Ng4+ 45.Kg1 Qe1+ 46.Kg2 Qe4+ 47.
Qf3 Qxf3+ 48.Rxf3 Rxg7 49.dxe6 Ne5 50.Rff8 c4 51.Rhg8 Rxg8 52.e7 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "6"]
[White "Fries-Nielsen, Niels Joergen"]
[Black "Iskov, Gert"]
[Result "1-0"]
[WhiteElo "2315"]
[BlackElo "2400"]
[ECO "B20"]
[EventDate "1980.07.04"]
[PlyCount "79"]

1.b3 e5 2.Bb2 d6 3.g3 g6 4.Bg2 Bg7 5.e4 c5 6.Ne2 Nc6 7.O-O Nge7 8.d3 O-O 
9.Nd2 f5 10.f4 Nd4 11.c3 Ne6 12.Qc2 Bd7 13.Rae1 Bc6 14.Bc1 h6 15.Nf3 exf4 
16.Nxf4 Nxf4 17.gxf4 Qd7 18.h3 Rae8 19.Kh2 Kh7 20.c4 Ng8 21.Qf2 Nf6 22.e5 
Nh5 23.d4 cxd4 24.Qxd4 dxe5 25.Qxd7 Bxd7 26.Nxe5 Bxe5 27.fxe5 Bc6 28.Bd5 
f4 29.Rf3 g5 30.Ba3 Rf5 31.Bb2 Nf6 32.Rd3 Nxd5 33.cxd5 Bb5 34.Rd2 f3 35.
Kg3 Be2 36.Kf2 g4 37.hxg4 Rg5 38.Rg1 h5 39.d6 hxg4 40.d7 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "6"]
[White "Mestel, Andrew Jonathan"]
[Black "Plachetka, Jan"]
[Result "0-1"]
[WhiteElo "2485"]
[BlackElo "2480"]
[ECO "C85"]
[EventDate "1980.07.04"]
[PlyCount "74"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
O-O 9.Nc4 Bd6 10.Bd2 Re8 11.Bc3 c5 12.a4 b6 13.h3 Qe7 14.b3 f6 15.Nh4 Nb8 
16.Nf5 Bxf5 17.exf5 Nc6 18.Re1 Qd7 19.Qg4 Nd4 20.Ne3 Kh8 21.Qe4 Rg8 22.
Rab1 Rae8 23.Bd2 g6 24.fxg6 Rxg6 25.c3 f5 26.Qb7 Nc6 27.Qxa6 f4 28.Ng4 h5 
29.f3 hxg4 30.hxg4 Be7 31.Red1 Bh4 32.Qc4 Bg3 33.Kf1 Rh6 34.Ke2 Nd4+ 35.
cxd4 exd4+ 36.Be3 Rxe3+ 37.Kd2 Qe7 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "6"]
[White "Fries-Nielsen, Jens Ove"]
[Black "Csom, Istvan"]
[Result "0-1"]
[WhiteElo "2355"]
[BlackElo "2510"]
[ECO "B08"]
[EventDate "1980.07.04"]
[PlyCount "82"]

1.e4 c6 2.d4 g6 3.Nc3 Bg7 4.Nf3 d6 5.a4 Na6 6.Be2 Nc7 7.O-O Nf6 8.h3 O-O 
9.Be3 d5 10.e5 Nd7 11.Nh2 f5 12.f4 a5 13.g4 b6 14.Rf2 Ba6 15.Bxa6 Rxa6 16.
Ne2 e6 17.Ng3 Qh4 18.Kg2 Qe7 19.Nf3 Rb8 20.Kh1 b5 21.axb5 cxb5 22.Rg2 a4 
23.c3 Rba8 24.Bc1 b4 25.cxb4 Qxb4 26.Qg1 Ne8 27.Ng5 Nf8 28.Bd2 Qb5 29.Nxe6
Rxe6 30.gxf5 Rb6 31.fxg6 hxg6 32.f5 Qd7 33.e6 Nxe6 34.fxe6 Qxe6 35.Re1 
Qxh3+ 36.Rh2 Qg4 37.Bc1 Nf6 38.Qg2 Re6 39.Rxe6 Qxe6 40.Qd2 Ng4 41.Re2 Qf6 
0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "6"]
[White "Kristiansen, Jens"]
[Black "Mortensen, Erling"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2400"]
[ECO "B85"]
[EventDate "1980.07.04"]
[PlyCount "75"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 a6 7.O-O Qc7 8.f4 Be7
9.Kh1 O-O 10.a4 Nc6 11.Be3 Re8 12.Bd3 Nxd4 13.Bxd4 e5 14.Be3 Bg4 15.Qd2 
exf4 16.Bd4 Be6 17.Qxf4 Nd7 18.Nd5 Bxd5 19.exd5 Bf6 20.c3 Re7 21.Bxf6 Nxf6
22.Qh4 Re3 23.Rad1 Qe7 24.Rxf6 Rxd3 25.Rxd3 Re8 26.Rdf3 gxf6 27.Rf1 Qe5 
28.h3 Qxd5 29.Qxf6 Re2 30.Rf3 Kf8 31.Qh8+ Ke7 32.Qxh7 Rxb2 33.Qh4+ Kd7 34.
Qf6 Ke8 35.Re3+ Kd7 36.Rf3 Ke8 37.Qh8+ Kd7 38.Qf6 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "6"]
[White "Sloth, Joern"]
[Black "Yusupov, Artur"]
[Result "0-1"]
[WhiteElo "2385"]
[BlackElo "2485"]
[ECO "A30"]
[EventDate "1980.07.04"]
[PlyCount "112"]

1.Nf3 Nf6 2.c4 c5 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 a6 7.Re1 Be7 8.e4 d6 9.
d4 cxd4 10.Nxd4 Qc7 11.Be3 O-O 12.Rc1 Nbd7 13.f4 Rfe8 14.Bf2 Bf8 15.Nb3 
Rac8 16.Nd2 Qb8 17.Qe2 g6 18.g4 h6 19.Bf3 Nh7 20.Bg3 Bc6 21.a4 Bg7 22.Kh1 
Nc5 23.b3 Qa8 24.Na2 f5 25.Nc3 Bxc3 26.Rxc3 Nf6 27.gxf5 exf5 28.e5 dxe5 
29.fxe5 Bxf3+ 30.Qxf3 Nfe4 31.Nxe4 Nxe4 32.Rd3 Rcd8 33.Kg1 Rxd3 34.Qxd3 
Rd8 35.Qf3 Qc6 36.Rd1 Rd7 37.Rxd7 Qxd7 38.Qe3 Qd1+ 39.Be1 Kf7 40.Kg2 g5 
41.e6+ Kxe6 42.Bf2 Qd6 43.Qxb6 Qxb6 44.Bxb6 Nd2 45.c5 Nxb3 46.c6 Nd2 47.h4
Ne4 48.Bd4 Kd6 49.h5 g4 50.Bg7 Kxc6 51.Bxh6 Nf6 52.Kg3 Nxh5+ 53.Kh4 Nf6 
54.Kg5 Ng8 55.Bf8 g3 56.Bg7 Kd5 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "6"]
[White "Fuller, Maxwell"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[WhiteElo "2355"]
[BlackElo "2410"]
[ECO "A01"]
[EventDate "1980.07.04"]
[PlyCount "142"]

1.b3 Nf6 2.Bb2 g6 3.e4 d6 4.g3 Bg7 5.Bg2 O-O 6.Ne2 e5 7.O-O Nc6 8.d4 exd4 
9.Nxd4 Bd7 10.c4 Re8 11.Re1 a6 12.Qc2 Nxe4 13.Nxc6 Bxc6 14.Bxg7 Kxg7 15.
Bxe4 Bxe4 16.Rxe4 Rxe4 17.Qxe4 Qf6 18.Qxb7 Qxa1 19.Qxa8 Qxb1+ 20.Kg2 Qxa2 
21.Qb7 Qa5 22.Qe4 Qb6 23.Qd3 a5 24.Qc3+ Kg8 25.g4 h6 26.f4 a4 27.bxa4 Qc6+
28.Kg3 Qxa4 29.f5 Qe8 30.fxg6 fxg6 31.Qd3 Qe5+ 32.Kg2 Kg7 33.Qf3 Qe6 34.
Qc3+ Kh7 35.h3 Qe2+ 36.Kg1 g5 37.c5 Qe5 38.Qd3+ Kg7 39.cxd6 cxd6 40.Qb3 
Qc5+ 41.Kg2 Qc6+ 42.Kf2 d5 43.Ke3 Qe6+ 44.Kd4 Qf6+ 45.Kc5 Qf2+ 46.Kb5 Qd4 
47.Qc2 Qe5 48.Qd3 Qd6 49.Qf5 Kg8 50.Qf3 Kg7 51.Qf5 Kg8 52.Qf3 Qb8+ 53.Kc5 
Qc7+ 54.Kb5 Qc4+ 55.Kb6 Kg7 56.Qf5 d4 57.Qd7+ Kf6 58.Qf5+ Ke7 59.Qh7+ Kd6 
60.Qxh6+ Qe6 61.Qxg5 Qb3+ 62.Ka7 Qa4+ 63.Kb6 Qc6+ 64.Ka5 Qc5+ 65.Qxc5+ 
Kxc5 66.Ka4 Kc4 67.Ka3 Kc3 68.g5 d3 69.g6 d2 70.g7 d1=Q 71.g8=Q Qd6+ 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "7"]
[White "Jakobsen, Ole"]
[Black "Fries-Nielsen, Niels Joergen"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2315"]
[ECO "A86"]
[EventDate "1980.07.04"]
[PlyCount "139"]

1.c4 f5 2.d4 g6 3.Nc3 Nf6 4.g3 Bg7 5.Bg2 O-O 6.Nh3 d6 7.d5 c6 8.Nf4 e5 9.
dxe6 Qe7 10.O-O Na6 11.e4 fxe4 12.Nxe4 Nxe4 13.Bxe4 Nc5 14.Bg2 Nxe6 15.Re1
Qf7 16.Qxd6 Rd8 17.Qa3 Nd4 18.Be3 Nc2 19.Qa5 Bf5 20.Rad1 b6 21.Qa4 Nxe1 
22.Rxe1 Bd7 23.b3 g5 24.Ne2 Qg6 25.b4 Be8 26.b5 cxb5 27.cxb5 Rac8 28.Nd4 
Bf7 29.Nc6 Rd7 30.Qg4 Rcc7 31.Qxg5 Bxa2 32.Qxg6 hxg6 33.Bf4 Bc4 34.Bxc7 
Rxc7 35.Bf1 Bf7 36.Re7 Rc8 37.Bh3 Ra8 38.Rxa7 Rxa7 39.Nxa7 Bd4 40.Bf1 Kg7 
41.Nc6 Bc5 42.h4 Kf6 43.Bd3 g5 44.hxg5+ Kxg5 45.Ne5 Be6 46.Kf1 Kf6 47.f4 
Bd6 48.Nc4 Bc5 49.Kg2 Bd4 50.Kf3 Bd5+ 51.Ke2 Bf7 52.g4 Bc5 53.Ne5 Be6 54.
Bc4 Bc8 55.Kd3 Ke7 56.Ke4 Bd6 57.g5 Bh3 58.f5 Bg2+ 59.Nf3 Kf8 60.f6 Bh3 
61.g6 Bd7 62.g7+ Ke8 63.g8=Q+ Bf8 64.Qf7+ Kd8 65.Qxf8+ Be8 66.Qe7+ Kc8 67.
Qxe8+ Kb7 68.Qd7+ Kb8 69.Qd8+ Kb7 70.Bd5+ 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "7"]
[White "Iskov, Gert"]
[Black "Savon, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2510"]
[ECO "B97"]
[EventDate "1980.07.04"]
[PlyCount "50"]

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 Nf6 6.Bg5 e6 7.f4 Qb6 8.Nb3 Be7
9.Qe2 h6 10.Bxf6 Bxf6 11.e5 dxe5 12.fxe5 Bg5 13.Ne4 Qe3 14.Nxg5 Qxe2+ 15.
Bxe2 hxg5 16.Nc5 Nc6 17.Nd3 Bd7 18.c3 Ne7 19.O-O Bb5 20.b3 Rd8 21.c4 Bc6 
22.Nb4 Rd2 23.Nxc6 Rxe2 24.Na5 b6 25.Nb7 O-O 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "7"]
[White "Mortensen, Erling"]
[Black "Fries-Nielsen, Jens Ove"]
[Result "1-0"]
[WhiteElo "2400"]
[BlackElo "2355"]
[ECO "A29"]
[EventDate "1980.07.04"]
[PlyCount "105"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.g3 g6 5.d4 exd4 6.Nxd4 Bg7 7.Bg2 O-O 8.O-O 
Re8 9.Nxc6 bxc6 10.Qa4 a5 11.Rd1 Bb7 12.Bf4 h6 13.c5 g5 14.Be3 Rxe3 15.
fxe3 Qe7 16.Ne4 Nd5 17.Qb3 Ba6 18.Rd2 a4 19.Qxa4 Nxe3 20.Rc1 Nxg2 21.Kxg2 
Re8 22.Nc3 Qe3 23.Rcc2 Bc8 24.Nd1 Qe6 25.Nf2 Bf8 26.e4 Qg6 27.Re2 Bg7 28.
Qc4 h5 29.a4 Bb7 30.Qd3 d6 31.b4 Ra8 32.b5 dxc5 33.Rxc5 Bf8 34.Rc4 Qe6 35.
Rec2 c5 36.Kg1 Be7 37.Qf3 c6 38.b6 Ra6 39.Rxc5 Rxa4 40.Qxh5 Ra1+ 41.Kg2 
Rb1 42.Rxg5+ Bxg5 43.Qxg5+ Qg6 44.Qd8+ Kh7 45.Rc5 Rb5 46.Qe7 Rxc5 47.Qxc5 
Qe6 48.Qf5+ Qxf5 49.exf5 c5+ 50.Kf1 c4 51.Ke2 Kg7 52.Ke3 Kf6 53.Ne4+ 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "7"]
[White "Yusupov, Artur"]
[Black "Mestel, Andrew Jonathan"]
[Result "1-0"]
[WhiteElo "2485"]
[BlackElo "2485"]
[ECO "A30"]
[EventDate "1980.07.04"]
[PlyCount "101"]

1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.b3 Be7 7.Nc3 O-O 8.d4 cxd4 
9.Qxd4 d6 10.Ba3 Na6 11.Qe3 Nc5 12.Nd4 Qc7 13.Rfd1 a6 14.Rac1 Rfe8 15.b4 
Bxg2 16.Kxg2 Ncd7 17.Nb1 Ne5 18.Nd2 b5 19.Qb3 Rac8 20.cxb5 Qb7+ 21.N4f3 
axb5 22.Bb2 Nxf3 23.Qxf3 d5 24.a3 Nd7 25.Nb3 Qa8 26.Kg1 Nb6 27.Na5 Bf8 28.
h4 Nc4 29.Nxc4 Rxc4 30.Rxc4 dxc4 31.Rd7 Qxf3 32.exf3 Rc8 33.Kf1 g6 34.Ke2 
Bg7 35.Bc1 Rb8 36.Bf4 Ra8 37.Bc1 Ba1 38.Kd1 Bf6 39.Kc2 Rb8 40.Bg5 Kg7 41.
Bxf6+ Kxf6 42.a4 bxa4 43.Kc3 Rb5 44.Kxc4 Rd5 45.Ra7 Rd2 46.b5 Rc2+ 47.Kb4 
e5 48.b6 Rxf2 49.b7 Kf5 50.g4+ Kf4 51.Rxa4 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "7"]
[White "Plachetka, Jan"]
[Black "Kristiansen, Jens"]
[Result "0-1"]
[WhiteElo "2480"]
[BlackElo "2430"]
[ECO "E12"]
[EventDate "1980.07.04"]
[PlyCount "70"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.Bg5 h6 6.Bh4 g5 7.Bg3 Nh5 8.e3 Nxg3 
9.fxg3 Bg7 10.Bd3 Nc6 11.O-O Qe7 12.Rc1 a6 13.Qe2 h5 14.h4 gxh4 15.Nxh4 
Qg5 16.Ne4 Qh6 17.c5 f5 18.Nd2 O-O 19.cxb6 cxb6 20.Nc4 Nb4 21.Nxb6 Nxd3 
22.Qxd3 Be4 23.Qe2 Ra7 24.Nc8 Ra8 25.Ne7+ Kh7 26.Neg6 Rg8 27.Rc7 Rad8 28.
Rf2 Bf6 29.Nf4 Rxg3 30.Nf3 h4 31.Nxe6 Rdg8 32.Rxd7+ Kh8 33.Nf4 h3 34.Nh2 
Bxg2 35.Nxg2 Rxg2+ 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "7"]
[White "Csom, Istvan"]
[Black "Fuller, Maxwell"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2355"]
[ECO "E62"]
[EventDate "1980.07.04"]
[PlyCount "117"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.Nc3 c6 7.O-O Bf5 8.b3 Ne4 
9.Bb2 Nxc3 10.Bxc3 Be4 11.Qd2 Nd7 12.Rfd1 d5 13.Qe3 e6 14.Bh3 Bxf3 15.Qxf3
Nf6 16.Qd3 Ne4 17.Bb2 f5 18.Bg2 Qe7 19.e3 h5 20.a4 Rf7 21.Ba3 Qc7 22.b4 h4
23.cxd5 exd5 24.Rac1 hxg3 25.hxg3 Bh6 26.Rc2 Re8 27.Bc1 g5 28.b5 Re6 29.
bxc6 bxc6 30.Qb3 Bf8 31.Ba3 Bxa3 32.Qxa3 Rh6 33.Qb3 f4 34.Bxe4 dxe4 35.Rc5
fxg3 36.Rxg5+ Kh8 37.Rxg3 Rg7 38.Rxg7 Qxg7+ 39.Kf1 Qf8 40.Ke2 Qf3+ 41.Kd2 
Qxf2+ 42.Kc1 Qf8 43.Kb1 Rf6 44.Rh1+ Kg7 45.Rg1+ Kh8 46.Kc2 Rf1 47.Rxf1 
Qxf1 48.Qb8+ Kh7 49.Qc7+ Kg8 50.Qc8+ Kf7 51.Qd7+ Kf8 52.Qd6+ Kf7 53.Qc7+ 
Kg8 54.Qd8+ Kf7 55.Qd7+ Kf8 56.Qc8+ Kf7 57.Qb7+ Kf8 58.Qb8+ Kf7 59.Qb3+ 
1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "8"]
[White "Mortensen, Erling"]
[Black "Plachetka, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2480"]
[ECO "E66"]
[EventDate "1980.07.04"]
[PlyCount "165"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.d4 Nc6 7.O-O a6 8.d5 Na5 
9.Nd2 c5 10.Qc2 e5 11.b3 Rb8 12.Bb2 b5 13.Rae1 Nh5 14.Nd1 Bf5 15.e4 Bd7 
16.Bc3 Bh6 17.Ne3 Nb7 18.Qd1 b4 19.Bb2 a5 20.a4 bxa3 21.Bxa3 a4 22.bxa4 
Qe8 23.Qe2 Bxa4 24.Rb1 Na5 25.Rxb8 Qxb8 26.Rb1 Qc7 27.Bf1 Rb8 28.Qd3 Nf6 
29.f3 Rxb1 30.Nxb1 Qb6 31.Kf2 Bxe3+ 32.Kxe3 Nxc4+ 33.Qxc4 Qxb1 34.Kf2 Bc2 
35.Qa6 Qa2 36.Bc1 Qxa6 37.Bxa6 Ne8 38.Bb5 Nc7 39.Bc6 f6 40.Bd2 Kf7 41.Ba5 
Na6 42.Ke2 Nb4 43.Bb5 Bb3 44.Kd2 Nc2 45.Bd3 Nd4 46.Ke3 f5 47.f4 exf4+ 48.
Kxf4 fxe4 49.Bxe4 Bc2 50.Bg2 h6 51.h4 Ne2+ 52.Kf3 Bd1 53.Kf2 Nd4 54.Bd2 
Nf5 55.Be4 Kf6 56.Bc3+ Ke7 57.Bd2 h5 58.Bg5+ Kd7 59.Bf6 Bb3 60.Bg5 Ne7 61.
Bxe7 Kxe7 62.Bxg6 Bd1 63.Ke3 Kf6 64.Be4 Ke5 65.Bg2 Bg4 66.Kd3 Bf5+ 67.Ke3 
c4 68.Bf3 Bg6 69.Bg2 Be8 70.Bh1 Bf7 71.Bf3 Be8 72.Bh1 Bg6 73.Bg2 Bf7 74.
Bf3 Bxd5 75.Bxh5 Be4 76.Kd2 Kd4 77.Be8 c3+ 78.Kc1 d5 79.h5 Ke5 80.Bc6 Bf5 
81.h6 d4 82.g4 Bg6 83.Bd7 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "8"]
[White "Fries-Nielsen, Niels Joergen"]
[Black "Csom, Istvan"]
[Result "1/2-1/2"]
[WhiteElo "2315"]
[BlackElo "2510"]
[ECO "B20"]
[EventDate "1980.07.04"]
[PlyCount "35"]

1.e4 c5 2.g3 Nc6 3.Bg2 e6 4.d3 g6 5.Nh3 Bg7 6.O-O Nge7 7.f4 d6 8.c3 O-O 9.
Be3 Rb8 10.a4 a6 11.Qc1 Bd7 12.Nd2 b5 13.axb5 axb5 14.Ng5 Ra8 15.Rxa8 Qxa8
16.e5 dxe5 17.Bxc5 Qd8 18.Nde4 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "8"]
[White "Fries-Nielsen, Jens Ove"]
[Black "Fuller, Maxwell"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2355"]
[ECO "A36"]
[EventDate "1980.07.04"]
[PlyCount "147"]

1.c4 g6 2.Nc3 c5 3.g3 Bg7 4.Bg2 Nc6 5.d3 e6 6.e4 Nge7 7.Nge2 O-O 8.O-O a6 
9.Be3 Nd4 10.Rb1 Nec6 11.a3 Rb8 12.b4 cxb4 13.axb4 b5 14.Nxd4 Bxd4 15.Bxd4
Nxd4 16.e5 d6 17.exd6 Qxd6 18.c5 Qc7 19.Ne2 Rd8 20.Nxd4 Rxd4 21.Qc2 e5 22.
Rfe1 Bf5 23.Be4 Be6 24.Qc3 a5 25.bxa5 b4 26.Qa1 Rb5 27.a6 Ra5 28.Qb2 Rxa6 
29.c6 Ra2 30.Qc1 b3 31.Qc5 Rc2 32.Qb5 Qa7 33.Rf1 Rxe4 34.dxe4 Qd4 35.c7 b2
36.Rbd1 Qxe4 37.Rd8+ Kg7 38.c8=Q Bxc8 39.Rxc8 Rxc8 40.Qxb2 Rc2 41.Qb1 Qc4 
42.Qd1 h5 43.h4 Qc5 44.Qa1 Rc3 45.Kh2 Qd4 46.Kg2 Qd5+ 47.Kg1 Rd3 48.Re1 
Rd4 49.Qc3 Kh7 50.Qc7 e4 51.Qf4 Kg7 52.Kh2 Qf5 53.Qxf5 gxf5 54.Ra1 Rd2 55.
Kg1 Rd3 56.Kg2 Rd2 57.Kf1 Rd3 58.Kg2 f4 59.gxf4 Rf3 60.Ra5 Rxf4 61.Rxh5 f5
62.Rg5+ Kf6 63.Kg3 Rf3+ 64.Kg2 Ra3 65.Rg8 f4 66.Rf8+ Ke5 67.h5 Ra2 68.h6 
Ra7 69.Rh8 Kf6 70.h7 Rg7+ 71.Kf1 Kg6 72.Rf8 Rxh7 73.Rxf4 Ra7 74.Rxe4 
1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "8"]
[White "Kristiansen, Jens"]
[Black "Yusupov, Artur"]
[Result "0-1"]
[WhiteElo "2430"]
[BlackElo "2485"]
[ECO "C80"]
[EventDate "1980.07.04"]
[PlyCount "78"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 
Be6 9.a4 b4 10.a5 Nc5 11.Bg5 Qd7 12.Nbd2 h6 13.Bh4 Be7 14.Bxe7 Nxe7 15.Nd4
O-O 16.c3 bxc3 17.bxc3 Bg4 18.Qb1 Rab8 19.f3 Bf5 20.Qa2 Nd3 21.Ba4 c6 22.
Qa3 Qa7 23.Nb3 c5 24.Ne2 Rfc8 25.f4 Bg4 26.Ng3 Nf5 27.Nxf5 Bxf5 28.h3 Be4 
29.Kh2 Qe7 30.Nc1 Rb2 31.Ra2 Bxg2 32.Rxb2 Bxf1 33.Nxd3 Bxd3 34.Rg2 Be4 35.
Rg4 Rb8 36.Bc6 Rb1 37.c4 Rh1+ 38.Kg3 h5 39.Rg5 Qe6 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "8"]
[White "Sloth, Joern"]
[Black "Iskov, Gert"]
[Result "0-1"]
[WhiteElo "2385"]
[BlackElo "2400"]
[ECO "A07"]
[EventDate "1980.07.04"]
[PlyCount "139"]

1.g3 d5 2.Bg2 g6 3.Nf3 Bg7 4.O-O e5 5.d3 Ne7 6.e4 Nbc6 7.Nbd2 O-O 8.Re1 h6
9.exd5 Nxd5 10.Nc4 Re8 11.Bd2 Kh7 12.a4 Nb6 13.Nxb6 axb6 14.Bc3 Bf5 15.Nd2
Qd7 16.Nc4 Nd4 17.Bxd4 exd4 18.b3 b5 19.axb5 Rxe1+ 20.Qxe1 Rxa1 21.Qxa1 
Qxb5 22.Qa5 Qxa5 23.Nxa5 b6 24.Nc6 Bf6 25.Be4 Bh3 26.f3 Kg7 27.Kf2 h5 28.
Bd5 Kf8 29.b4 Bd7 30.b5 Be7 31.Ke2 Bc5 32.Kf2 f6 33.Ke2 g5 34.Kf2 Kg7 35.
Ke2 f5 36.f4 gxf4 37.gxf4 h4 38.Kf2 Kf6 39.Kg2 Bd6 40.Kf3 Bc5 41.Kg2 Bd6 
42.Kf3 Be8 43.Nxd4 Bh5+ 44.Ke3 Bc5 45.Bc6 Ke7 46.Bg2 Be8 47.c4 Kd6 48.h3 
c6 49.bxc6 Bf7 50.Bf3 Be6 51.Bg2 Kc7 52.Bf3 Bc8 53.Bd5 Kb8 54.Bf7 Kc7 55.
Bd5 Kd6 56.Bf3 Be6 57.Bg2 Kc7 58.Bf3 Bf7 59.Bg2 Kc8 60.Bh1 Kb8 61.Bg2 Ka7 
62.Bh1 Ka6 63.Bg2 Be6 64.Bf3 Ka5 65.Bh5 Kb4 66.Be8 Kc3 67.Bd7 Bxd4+ 68.Ke2
Bxd7 69.cxd7 Bf6 70.Ke3 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "8"]
[White "Savon, Vladimir"]
[Black "Jakobsen, Ole"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2410"]
[ECO "B88"]
[EventDate "1980.07.04"]
[PlyCount "40"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.a4 Be7 8.O-O O-O
9.Ba2 Nc6 10.Be3 Nb4 11.Bb3 d5 12.e5 Nd7 13.f4 Nc5 14.Nce2 Nxb3 15.Nxb3 
Nc6 16.Qd2 f6 17.exf6 Bxf6 18.Nbd4 e5 19.fxe5 Nxe5 20.b3 Re8 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "9"]
[White "Plachetka, Jan"]
[Black "Fries-Nielsen, Jens Ove"]
[Result "0-1"]
[WhiteElo "2480"]
[BlackElo "2355"]
[ECO "B09"]
[EventDate "1980.07.04"]
[PlyCount "80"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 6.dxc5 Qa5 7.Bd3 Qxc5 8.Qe2 
O-O 9.a3 Bg4 10.Be3 Qc7 11.O-O Nbd7 12.h3 Bxf3 13.Qxf3 a6 14.Rad1 Rac8 15.
Kh1 e6 16.Rf2 Nc5 17.Rfd2 Nfd7 18.Bf1 Bxc3 19.bxc3 Nf6 20.e5 dxe5 21.fxe5 
Nfe4 22.Rd4 f5 23.Bf4 g5 24.Bh2 Qg7 25.Bc4 Kh8 26.Qe3 b5 27.Ba2 h5 28.c4 
f4 29.Qe1 f3 30.gxf3 Rxf3 31.Rd8+ Rxd8 32.Rxd8+ Kh7 33.c3 Qf7 34.Kg1 Rf2 
35.Bb1 Qf3 36.Bxe4+ Nxe4 37.Qxe4+ Qxe4 38.Kxf2 Qc2+ 39.Kg1 bxc4 40.Rd6 
Qxc3 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "9"]
[White "Csom, Istvan"]
[Black "Savon, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2510"]
[ECO "A62"]
[EventDate "1980.07.04"]
[PlyCount "31"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Bg2 Bg7 8.Nf3 O-O 
9.O-O Re8 10.Bf4 a6 11.a4 Ne4 12.Nxe4 Rxe4 13.Ra2 Bg4 14.b3 Bxf3 15.Bxf3 
Re8 16.Qb1 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "9"]
[White "Iskov, Gert"]
[Black "Mestel, Andrew Jonathan"]
[Result "0-1"]
[WhiteElo "2400"]
[BlackElo "2485"]
[ECO "B76"]
[EventDate "1980.07.04"]
[PlyCount "78"]

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.O-O-O Be6 10.Kb1 Qc8 11.g4 Rd8 12.Nxe6 Qxe6 13.Nd5 Rdc8 14.Be2 b5 
15.g5 Ne8 16.h4 Qe5 17.c3 Rab8 18.h5 Qe6 19.hxg6 hxg6 20.Bd3 Nc7 21.f4 
Nxd5 22.exd5 Qxd5 23.Bxg6 Qxd2 24.Bh7+ Kf8 25.Rxd2 a6 26.Be4 b4 27.cxb4 
Rxb4 28.Bd5 e6 29.a3 Rb7 30.Bg2 Rb3 31.Bf2 Na5 32.Bd4 Nc4 33.Bxg7+ Kxg7 
34.Rf2 Rcb8 35.Kc1 Nxb2 36.Be4 Rc8+ 37.Bc2 Nd3+ 38.Kd2 Nxf2 39.Rh7+ Kg8 
0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "9"]
[White "Fuller, Maxwell"]
[Black "Fries-Nielsen, Niels Joergen"]
[Result "1-0"]
[WhiteElo "2355"]
[BlackElo "2315"]
[ECO "D11"]
[EventDate "1980.07.04"]
[PlyCount "149"]

1.Nf3 d5 2.b3 Nf6 3.Bb2 Bg4 4.e3 e6 5.Be2 Nbd7 6.c4 c6 7.O-O Be7 8.Nc3 O-O
9.d4 Qc7 10.Ne5 Bxe2 11.Qxe2 Rad8 12.Rac1 Bb4 13.Nd3 Bd6 14.f4 Ne4 15.Nxe4
dxe4 16.Nf2 f5 17.g4 Nf6 18.Kh1 g6 19.Rg1 Qa5 20.Ba1 Rf7 21.gxf5 exf5 22.
Nh3 Bf8 23.Ng5 Re7 24.d5 Bg7 25.Bc3 Qa3 26.Ne6 Rdd7 27.Qe1 Re8 28.Bb4 Qxa2
29.Rg2 Qa6 30.Ra1 Qb6 31.c5 Qb5 32.Nd4 Qd3 33.Rd2 Nxd5 34.Rxd3 exd3 35.Qd2
Rxe3 36.Bc3 Rde7 37.Rxa7 R3e4 38.Ra8+ Kf7 39.Ra4 Rd7 40.Bb2 b5 41.cxb6 
Nxb6 42.Ra6 Nd5 43.Nf3 Re2 44.Qxd3 Rxb2 45.Rxc6 Ra2 46.Rc1 Ra1 47.Rxa1 
Bxa1 48.Qb5 Nf6 49.Ne5+ Bxe5 50.fxe5 Rd1+ 51.Kg2 Rd2+ 52.Kf1 Ne4 53.Qc4+ 
Ke7 54.b4 Rxh2 55.Qc7+ Ke6 56.b5 Nd2+ 57.Ke1 Nf3+ 58.Kd1 Nxe5 59.b6 Rb2 
60.b7 Nd7 61.Qc3 Rh2 62.Qc6+ Ke7 63.b8=Q Nxb8 64.Qc7+ Nd7 65.Qxh2 Nf6 66.
Qe5+ Kf7 67.Qc7+ Ke6 68.Qf4 Ng4 69.Ke2 h6 70.Qc4+ Kf6 71.Qd4+ Kg5 72.Kf3 
Kh4 73.Qf4 h5 74.Kg2 g5 75.Qg3# 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "9"]
[White "Yusupov, Artur"]
[Black "Mortensen, Erling"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2400"]
[ECO "E84"]
[EventDate "1980.07.04"]
[PlyCount "100"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 Nc6 6.Nge2 Rb8 7.Be3 a6 8.Nc1 e5 
9.Nb3 exd4 10.Nxd4 O-O 11.Qd2 Ne5 12.Rd1 Re8 13.Be2 c5 14.Nb3 Be6 15.Qxd6 
Qxd6 16.Rxd6 b6 17.Bg5 h6 18.Bxf6 Bxf6 19.f4 Nxc4 20.Rxe6 Bxc3+ 21.bxc3 
Rxe6 22.Bxc4 Rxe4+ 23.Be2 Rbe8 24.Nc1 Rxf4 25.Rf1 Rxf1+ 26.Kxf1 Re3 27.
Bxa6 Rxc3 28.Ne2 Ra3 29.Bc4 Ra4 30.Bd5 Ra3 31.Bc4 Kg7 32.Ke1 Ra4 33.Bb3 
Rg4 34.g3 Re4 35.Kd2 h5 36.Nc3 Rd4+ 37.Ke3 h4 38.Nd5 hxg3 39.hxg3 b5 40.
Nc3 Rb4 41.Bd5 Rb2 42.a4 bxa4 43.Nxa4 Rc2 44.g4 Kf8 45.Bb3 Rg2 46.Kf3 Rg1 
47.Nxc5 Rc1 48.Ne4 f5 49.gxf5 gxf5 50.Nd2 Rc3+ 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "9"]
[White "Jakobsen, Ole"]
[Black "Sloth, Joern"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2385"]
[ECO "D15"]
[EventDate "1980.07.04"]
[PlyCount "60"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e3 b5 6.a4 b4 7.Nb1 Ba6 8.Qc2 e6 9.
Bxc4 Bxc4 10.Qxc4 Qd5 11.Nbd2 Nbd7 12.b3 Be7 13.Bb2 O-O 14.Rc1 Rac8 15.O-O
c5 16.Rfd1 Qb7 17.Qe2 a6 18.Nc4 Rfd8 19.dxc5 Nxc5 20.Bxf6 gxf6 21.Rxd8+ 
Rxd8 22.Nd4 Rc8 23.Qf3 Qxf3 24.gxf3 Nb7 25.Rc2 Bc5 26.Rd2 Kf8 27.Kf1 Ke7 
28.Ke2 Rc7 29.f4 Bxd4 30.Rxd4 Rd7 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "10"]
[White "Mestel, Andrew Jonathan"]
[Black "Jakobsen, Ole"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2410"]
[ECO "B54"]
[EventDate "1980.07.04"]
[PlyCount "131"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.c4 Nc6 5.d4 cxd4 6.Nxd4 Nf6 7.Nc3 e6 8.O-O 
Be7 9.Nxc6 Bxc6 10.Bxc6+ bxc6 11.Bf4 e5 12.Be3 O-O 13.Qe2 Qd7 14.Rfd1 Qe6 
15.f3 Nh5 16.c5 dxc5 17.Na4 Nf4 18.Qc2 c4 19.Bxf4 exf4 20.Rdc1 Rfd8 21.b3 
Bf6 22.Rab1 Bd4+ 23.Kh1 Be3 24.Rd1 cxb3 25.axb3 h6 26.Nb2 Qf6 27.Nc4 Rxd1+
28.Rxd1 Rd8 29.e5 Rxd1+ 30.Qxd1 Qe7 31.g3 g5 32.Qd3 Bc5 33.Kg2 fxg3 34.
hxg3 Qe6 35.Qe4 Bb6 36.Kh2 Qg6 37.Qe2 h5 38.Qd2 Qf5 39.Qd6 Qe6 40.Qd2 Qf5 
41.Qe2 Bd4 42.Qd1 Bxe5 43.Ne3 Qg6 44.Kg2 h4 45.g4 Bf4 46.Nf5 Qf6 47.Qc2 
Kh8 48.b4 Qa1 49.Qxc6 h3+ 50.Kf2 Qb2+ 51.Kf1 Qg2+ 52.Ke1 Qd2+ 53.Kf1 Qc1+ 
54.Qxc1 Bxc1 55.Kf2 Bf4 56.Ne7 Kg7 57.Nd5 Kf8 58.Nxf4 gxf4 59.Kg1 Ke7 60.
Kh2 Kd6 61.Kxh3 Kd5 62.g5 Kc4 63.Kg4 Kxb4 64.Kxf4 a5 65.Ke3 Kc3 66.f4 
1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "10"]
[White "Kristiansen, Jens"]
[Black "Iskov, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2400"]
[ECO "B05"]
[EventDate "1980.07.04"]
[PlyCount "109"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Nb6 7.Nbd2 Nc6 8.exd6 
Bxd6 9.Ne4 Be7 10.c3 Bf5 11.Ng3 Bg6 12.Re1 O-O 13.Bf1 a5 14.Ne2 Bf6 15.Nf4
e5 16.Nxg6 hxg6 17.Nxe5 Nxe5 18.dxe5 Qxd1 19.Rxd1 Bxe5 20.Be3 Rfd8 21.Bb5 
Nd5 22.Bc5 c6 23.Bc4 b6 24.Bd4 Bc7 25.a4 Rd7 26.Rd2 Rad8 27.Rad1 Kf8 28.g3
Nf6 29.f3 Be5 30.Be3 Rxd2 31.Rxd2 Rxd2 32.Bxd2 Nd7 33.f4 Bd6 34.Kg2 Nc5 
35.b3 Ne4 36.Be1 Ke7 37.Kf3 Nc5 38.Bf2 Bc7 39.Bd4 f6 40.h4 Bd6 41.g4 b5 
42.Bxc5 Bxc5 43.axb5 cxb5 44.Bxb5 f5 45.g5 Ba3 46.Bc6 Bb2 47.c4 Bd4 48.Bd5
Kf8 49.Be6 Bc5 50.Bc8 Ke7 51.Kg3 Bb4 52.h5 Kd8 53.Be6 Ke7 54.Bc8 Kd8 55.
Be6 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "10"]
[White "Sloth, Joern"]
[Black "Csom, Istvan"]
[Result "1/2-1/2"]
[WhiteElo "2385"]
[BlackElo "2510"]
[ECO "A16"]
[EventDate "1980.07.04"]
[PlyCount "139"]

1.g3 g6 2.Bg2 Bg7 3.c4 Nf6 4.Nc3 O-O 5.Nf3 d6 6.O-O a6 7.d3 Nbd7 8.Qc2 Rb8
9.b4 c6 10.a4 a5 11.bxa5 Qxa5 12.Bd2 Ra8 13.Rfb1 Ne8 14.Ra2 Qd8 15.Ne1 Nc5
16.Nd1 Nc7 17.a5 e5 18.Nb2 N7e6 19.e3 Re8 20.Na4 Nxa4 21.Rxa4 Nc5 22.Ra3 
h5 23.Bb4 Na6 24.Bc3 Re7 25.Rab3 Nc5 26.Rb6 Bf5 27.Bb4 e4 28.Bxc5 exd3 29.
Nxd3 dxc5 30.e4 Rxe4 31.Bxe4 Bxe4 32.Rd1 Bd4 33.Qe2 Bxd3 34.Rxd3 Qc7 35.
Rdb3 Rxa5 36.Rxb7 Qd6 37.Qe8+ Qf8 38.Qe4 Ra8 39.Qxc6 Re8 40.Qf3 Kg7 41.Rd7
Re7 42.Rbb7 Rxd7 43.Rxd7 Qe8 44.Rd5 Qe6 45.Kg2 Qa6 46.Qe2 Qf6 47.h4 Qb6 
48.Kg1 Qb8 49.Kh2 Qc7 50.Kg2 Qb6 51.Qd2 Qc6 52.Qf4 Qb7 53.Kh2 Qb2 54.Rd7 
Qxf2+ 55.Qxf2 Bxf2 56.Kg2 Bd4 57.Kf3 Kf6 58.Ke4 Ke6 59.Ra7 Be5 60.Re7+ 
Kxe7 61.Kxe5 f6+ 62.Kd5 Kd7 63.Kxc5 Kc7 64.Kd5 Kd7 65.c5 g5 66.Ke4 gxh4 
67.gxh4 Kc6 68.Kf5 Kxc5 69.Kxf6 Kd6 70.Kg6 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "10"]
[White "Fries-Nielsen, Jens Ove"]
[Black "Fries-Nielsen, Niels Joergen"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2315"]
[ECO "E60"]
[EventDate "1980.07.04"]
[PlyCount "14"]

1.Nf3 Nf6 2.d4 g6 3.c4 d6 4.g3 Bg7 5.Bg2 O-O 6.O-O c6 7.b3 Nbd7 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "10"]
[White "Savon, Vladimir"]
[Black "Fuller, Maxwell"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2355"]
[ECO "C03"]
[EventDate "1980.07.04"]
[PlyCount "61"]

1.e4 e6 2.d4 d5 3.Nd2 Be7 4.c3 c5 5.exd5 Qxd5 6.dxc5 Nf6 7.Ngf3 O-O 8.b4 
a5 9.Bc4 Qd8 10.O-O b6 11.cxb6 Qxb6 12.a3 Nbd7 13.Bb2 Bb7 14.Be2 Rfd8 15.
Nc4 Qc7 16.Nfd2 Ne5 17.Nxe5 Qxe5 18.Qe1 axb4 19.Nf3 Bxf3 20.Bxf3 Qxe1 21.
Rfxe1 bxc3 22.Bxc3 Rxa3 23.Rxa3 Bxa3 24.Ra1 Bc5 25.Bxf6 gxf6 26.Ra8 Rxa8 
27.Bxa8 f5 28.g3 Kg7 29.Kg2 e5 30.f4 f6 31.Bc6 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "10"]
[White "Plachetka, Jan"]
[Black "Yusupov, Artur"]
[Result "0-1"]
[WhiteElo "2480"]
[BlackElo "2485"]
[ECO "D45"]
[EventDate "1980.07.04"]
[PlyCount "78"]

1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.Nc3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.e4 dxe4 8.Nxe4 
Nxe4 9.Qxe4 e5 10.dxe5 O-O 11.Bd3 f5 12.Qe2 Nxe5 13.Nxe5 Bxe5 14.O-O Qc7 
15.f4 Bd4+ 16.Kh1 Bd7 17.Qc2 c5 18.Bd2 Rae8 19.Rae1 g6 20.Bc3 Rxe1 21.Bxe1
Bc6 22.b4 b6 23.b5 Bb7 24.Bh4 Re8 25.Qd1 Qf7 26.Re1 Re6 27.Rxe6 Qxe6 28.
Qe2 Qe3 29.Qxe3 Bxe3 30.Bg5 Kg7 31.a4 h6 32.Bd8 Bxf4 33.a5 bxa5 34.Bxa5 
Kf6 35.Be2 Bd6 36.Bf3 Bxf3 37.gxf3 Ke5 38.Bc3+ Kf4 39.Kg2 Ke3 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "11"]
[White "Iskov, Gert"]
[Black "Mortensen, Erling"]
[Result "1-0"]
[WhiteElo "2400"]
[BlackElo "2400"]
[ECO "B83"]
[EventDate "1980.07.04"]
[PlyCount "131"]

1.e4 c5 2.Nf3 e6 3.Nc3 d6 4.d4 cxd4 5.Nxd4 Nf6 6.Be2 Be7 7.O-O Nc6 8.Kh1 
Bd7 9.f4 Nxd4 10.Qxd4 Bc6 11.Bf3 O-O 12.Be3 Qc7 13.e5 dxe5 14.fxe5 Nd7 15.
Bxc6 Qxc6 16.Ne4 Rad8 17.Bg5 Bxg5 18.Nxg5 Qxc2 19.Rad1 h6 20.Rc1 Qe2 21.
Nf3 Nb6 22.Qf2 Qxf2 23.Rxf2 Rc8 24.Re1 Rfd8 25.g3 Nd5 26.Re4 Ne7 27.Kg2 
Nc6 28.g4 Rd5 29.h4 Rcd8 30.g5 hxg5 31.hxg5 Nd4 32.g6 Nxf3 33.gxf7+ Kxf7 
34.Rxf3+ Kg8 35.Kg3 Rd3 36.Ra4 a6 37.Rc4 Rxf3+ 38.Kxf3 Rd2 39.Rc8+ Kh7 40.
Re8 Rxb2 41.Rxe6 Kg8 42.Re7 Kh7 43.Rf7 Kg6 44.Rf8 Rb1 45.Ke4 Re1+ 46.Kd5 
Rd1+ 47.Kc5 Rc1+ 48.Kd6 Rd1+ 49.Ke7 Rd2 50.a4 b5 51.axb5 axb5 52.Rb8 Kf5 
53.Rxb5 g5 54.e6+ Kg6 55.Ke8 Kh5 56.Kf7 Rf2+ 57.Kg7 Re2 58.Kf6 Kh4 59.Re5 
Rf2+ 60.Kg7 Ra2 61.e7 Ra8 62.e8=Q Rxe8 63.Rxe8 g4 64.Kf6 g3 65.Kf5 g2 66.
Kf4 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "11"]
[White "Fuller, Maxwell"]
[Black "Sloth, Joern"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2385"]
[ECO "B13"]
[EventDate "1980.07.04"]
[PlyCount "29"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 Nf6 6.Bf4 Bg4 7.Qb3 Na5 8.Qa4+ 
Bd7 9.Qc2 a6 10.Nd2 Bb5 11.Bxb5+ axb5 12.Ngf3 e6 13.O-O Be7 14.a3 O-O 15.
Ne5 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "11"]
[White "Fries-Nielsen, Niels Joergen"]
[Black "Savon, Vladimir"]
[Result "0-1"]
[WhiteElo "2315"]
[BlackElo "2510"]
[ECO "A00"]
[EventDate "1980.07.04"]
[PlyCount "0"]

0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "11"]
[White "Yusupov, Artur"]
[Black "Fries-Nielsen, Jens Ove"]
[Result "1-0"]
[WhiteElo "2485"]
[BlackElo "2355"]
[ECO "E18"]
[EventDate "1980.07.04"]
[PlyCount "113"]

1.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 Be7 5.O-O O-O 6.d4 b6 7.Qc2 Bb7 8.cxd5 
exd5 9.Nc3 Na6 10.Rd1 Re8 11.a3 c5 12.dxc5 Nxc5 13.Be3 Rc8 14.Bh3 Ne6 15.
Qb3 Bc5 16.Bd4 Nxd4 17.Nxd4 Rc7 18.e3 Qb8 19.Rd2 g6 20.Rad1 Rce7 21.Bg2 
Qe5 22.Nc2 Qh5 23.Qa4 Ng4 24.h3 Nf6 25.Qf4 Re6 26.Nd4 Bxd4 27.Rxd4 Kg7 28.
h4 Ne4 29.Nxd5 Bxd5 30.Rxd5 Qe2 31.Bxe4 Rxe4 32.Qc7 Qxb2 33.Rd7 Qf6 34.
Qxa7 R4e6 35.Qb7 h5 36.R1d4 R8e7 37.Kg2 Rxd7 38.Rxd7 Qf5 39.Rd4 Qf6 40.Rf4
Qe7 41.Qa8 Qc7 42.a4 Re5 43.Rd4 Ra5 44.Qe8 Re5 45.Qa8 Ra5 46.Qe4 b5 47.Qe8
Rxa4 48.Rd8 Kf6 49.Qh8+ Kf5 50.f3 Ke6 51.Qe8+ Kf6 52.e4 Ra6 53.Qh8+ Ke7 
54.Qf8+ Kf6 55.Qh8+ Ke7 56.Re8+ Kd7 57.Qf8 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "11"]
[White "Csom, Istvan"]
[Black "Mestel, Andrew Jonathan"]
[Result "0-1"]
[WhiteElo "2510"]
[BlackElo "2485"]
[ECO "A30"]
[EventDate "1980.07.04"]
[PlyCount "78"]

1.Nf3 c5 2.c4 b6 3.g3 Bb7 4.Bg2 Nf6 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6
9.Rd1 a6 10.Ng5 Bxg2 11.Kxg2 Nc6 12.Qf4 Ra7 13.Nce4 Rd7 14.Nxf6+ Bxf6 15.
Nxh7 Rxh7 16.Qe4 Rh5 17.Qxc6 Rc5 18.Qe4 Qc8 19.Be3 Rxc4 20.Rac1 Rdc7 21.
Rxc4 Rxc4 22.Qf3 d5 23.b3 Rc3 24.Qh5 b5 25.Qh7 Rc7 26.Bb6 Rc6 27.Ba5 Kd7 
28.e4 d4 29.e5 Bxe5 30.Qh5 f5 31.Qf7+ Kd6 32.Bb4+ Kd5 33.Qh5 Rc3 34.f4 g6 
35.Qxg6 Rc2+ 36.Kg1 Qh8 37.h4 Bxf4 38.gxf4 Qxh4 39.Bd2 Rxd2 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "11"]
[White "Jakobsen, Ole"]
[Black "Kristiansen, Jens"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2430"]
[ECO "E12"]
[EventDate "1980.07.04"]
[PlyCount "47"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 c5 5.e3 Be7 6.Nc3 O-O 7.d5 exd5 8.cxd5 d6 
9.e4 Nbd7 10.Be2 Ne8 11.O-O g6 12.Bh6 Ng7 13.Nd2 a6 14.a4 Bf6 15.f4 Bd4+ 
16.Kh1 f5 17.Nc4 Nf6 18.e5 dxe5 19.Nxe5 Bb7 20.Nc6 Bxc6 21.dxc6 Ne4 22.
Nxe4 fxe4 23.Qc2 Re8 24.Bc4+ 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "12"]
[White "Plachetka, Jan"]
[Black "Iskov, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2400"]
[ECO "A11"]
[EventDate "1980.07.04"]
[PlyCount "53"]

1.Nf3 d5 2.g3 g6 3.Bg2 Bg7 4.c4 c6 5.cxd5 cxd5 6.d4 Nc6 7.O-O Nh6 8.Bxh6 
Bxh6 9.Nc3 Bg7 10.e3 O-O 11.Rc1 e6 12.Na4 Bd7 13.Nc5 b6 14.Nxd7 Qxd7 15.
Qa4 Rfc8 16.Ne1 Qb7 17.Nd3 Na5 18.h4 h5 19.Bf3 Bf8 20.Ne5 Bd6 21.b4 Bxe5 
22.bxa5 Bd6 23.a6 Qe7 24.e4 Rxc1 25.Rxc1 dxe4 26.Bxe4 Rd8 27.Kg2 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "12"]
[White "Mortensen, Erling"]
[Black "Jakobsen, Ole"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2410"]
[ECO "A17"]
[EventDate "1980.07.04"]
[PlyCount "71"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.e4 d6 6.Be2 Bxc3 7.dxc3 e5 8.Bg5 
h6 9.Bh4 Qe8 10.Bxf6 gxf6 11.Nd2 Nc6 12.Nf1 Ne7 13.Ne3 Kh7 14.Bg4 Rg8 15.
Qe2 Bxg4 16.Nxg4 Rg6 17.Qf3 Kg7 18.h4 h5 19.Ne3 Qc6 20.Rh3 Rg8 21.O-O-O 
Kf8 22.a3 a5 23.g3 b6 24.Rhh1 f5 25.Nxf5 Nxf5 26.Qxf5 Qxc4 27.Rhe1 Rh6 28.
Re3 Qe6 29.Rf3 Qxf5 30.Rxf5 Rg4 31.Re1 Ke7 32.Kd2 Rf6 33.Rxf6 Kxf6 34.Re3 
Ke6 35.Kd3 d5 36.exd5+ 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "12"]
[White "Fries-Nielsen, Jens Ove"]
[Black "Savon, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2355"]
[BlackElo "2510"]
[ECO "E60"]
[EventDate "1980.07.04"]
[PlyCount "30"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 c5 5.d5 O-O 6.O-O d6 7.c4 Bf5 8.Nc3 Qd7 
9.Ne1 Bh3 10.Nd3 Bxg2 11.Kxg2 Na6 12.e4 Nc7 13.a4 Nfe8 14.Bd2 e6 15.a5 
exd5 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "12"]
[White "Mestel, Andrew Jonathan"]
[Black "Fuller, Maxwell"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2355"]
[ECO "C03"]
[EventDate "1980.07.04"]
[PlyCount "81"]

1.e4 e6 2.d4 d5 3.Nd2 Be7 4.Ngf3 Nf6 5.e5 Ne4 6.Bd3 Nxd2 7.Bxd2 b6 8.b4 c5
9.c3 Nc6 10.Rb1 Bd7 11.O-O cxb4 12.cxb4 a5 13.bxa5 bxa5 14.Bb5 Nb4 15.Qa4 
Bxb5 16.Qxb5+ Qd7 17.Qxd7+ Kxd7 18.a3 Nc6 19.Rb7+ Kc8 20.Rfb1 h6 21.a4 Rd8
22.R1b5 Ra6 23.Kf1 Rd7 24.Rxd7 Kxd7 25.Ke2 Bd8 26.Bc3 Rb6 27.Rxb6 Bxb6 28.
g4 Bd8 29.Nd2 g6 30.Nb3 Bb6 31.Kd3 Ke7 32.Bb2 f5 33.gxf5 gxf5 34.Nc1 Kf7 
35.Ne2 Nb4+ 36.Kc3 Nc6 37.Bc1 Kg6 38.Be3 Bd8 39.Nf4+ Kf7 40.Nd3 Bb6 41.Nf4
1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "12"]
[White "Kristiansen, Jens"]
[Black "Csom, Istvan"]
[Result "1-0"]
[WhiteElo "2430"]
[BlackElo "2510"]
[ECO "B57"]
[EventDate "1980.07.04"]
[PlyCount "83"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Qb6 7.Nb3 e6 8.O-O 
Be7 9.Bd3 a6 10.a4 Qc7 11.f4 Nb4 12.Be3 e5 13.a5 Bg4 14.Be2 Bxe2 15.Qxe2 
O-O 16.Ra4 d5 17.fxe5 Nxe4 18.Rxb4 Nxc3 19.bxc3 Bxb4 20.cxb4 Qxe5 21.Qf2 
f6 22.Bd4 Qc7 23.Nc5 Rfe8 24.c3 Rad8 25.Qf5 Qf7 26.Qg4 Kh8 27.h4 Re7 28.h5
h6 29.Qf5 Rde8 30.Nd3 Kg8 31.Nf4 Re1 32.Qxd5 Qxd5 33.Nxd5 Rxf1+ 34.Kxf1 
Re4 35.g3 Rg4 36.Kf2 Kf7 37.Nf4 Ke7 38.Kf3 Rg5 39.c4 f5 40.b5 Kd7 41.bxa6 
bxa6 42.Bf2 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "12"]
[White "Sloth, Joern"]
[Black "Fries-Nielsen, Niels Joergen"]
[Result "1-0"]
[WhiteElo "2385"]
[BlackElo "2315"]
[ECO "A88"]
[EventDate "1980.07.04"]
[PlyCount "79"]

1.c4 f5 2.d4 g6 3.g3 Nf6 4.Bg2 Bg7 5.Nf3 O-O 6.Nc3 d6 7.d5 c6 8.O-O e5 9.
dxe6 Bxe6 10.b3 Na6 11.Ng5 Qe7 12.Ba3 Nc5 13.Nxe6 Qxe6 14.Qc2 Rfe8 15.Rad1
Rad8 16.e3 Qe5 17.Bb2 Qe6 18.Ne2 Nce4 19.Bd4 a6 20.h3 Rd7 21.Rd3 Ng5 22.
Rfd1 Nf7 23.Qb2 Nh5 24.Nf4 Nxf4 25.gxf4 Bxd4 26.Qxd4 Rc8 27.b4 b5 28.Rc3 
bxc4 29.Rxc4 Rdc7 30.Rdc1 c5 31.Bd5 Qe7 32.Qc3 h6 33.Qa3 Kg7 34.Qxa6 Rb8 
35.Qa3 g5 36.bxc5 gxf4 37.cxd6 Qg5+ 38.Kh2 Rxc4 39.Bxc4 Ne5 40.Qc3 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "13"]
[White "Iskov, Gert"]
[Black "Yusupov, Artur"]
[Result "0-1"]
[WhiteElo "2400"]
[BlackElo "2485"]
[ECO "B33"]
[EventDate "1980.07.04"]
[PlyCount "58"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Bxf6 gxf6 11.Nd5 f5 12.Bd3 Be6 13.Qh5 Bg7 14.O-O f4 15.Kh1 
Ne7 16.c4 bxc4 17.Nxe7 cxd3 18.Nf5 Bxf5 19.Qxf5 Qc8 20.Qxc8+ Rxc8 21.Rad1 
d5 22.exd5 e4 23.b3 O-O 24.Nc4 Rcd8 25.d6 Bc3 26.a3 Rfe8 27.g3 e3 28.gxf4 
e2 29.Rg1+ Kf8 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "13"]
[White "Csom, Istvan"]
[Black "Mortensen, Erling"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2400"]
[ECO "A15"]
[EventDate "1980.07.04"]
[PlyCount "71"]

1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 O-O 5.e3 d6 6.Be2 e5 7.d3 a5 8.a3 e4 9.
dxe4 Nxe4 10.Bxg7 Kxg7 11.Qd4+ Qf6 12.Nbd2 Nc3 13.b5 Qxd4 14.Nxd4 Nd7 15.
Rc1 Nxe2 16.Kxe2 b6 17.Rhd1 Bb7 18.N2f3 Rae8 19.Kf1 Ne5 20.Nxe5 Rxe5 21.
Ne2 g5 22.Nc3 Rc5 23.Na4 Re5 24.Nc3 Rc5 25.Rd4 Re8 26.Na4 Rce5 27.Rcd1 f5 
28.Nc3 Rc5 29.Na4 Rce5 30.Nc3 Kf6 31.Rc1 Rc5 32.Na4 Rce5 33.Nc3 Rc5 34.
Rcd1 Rce5 35.Rc1 Rc5 36.Rcd1 1/2-1/2

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "13"]
[White "Fuller, Maxwell"]
[Black "Kristiansen, Jens"]
[Result "1-0"]
[WhiteElo "2355"]
[BlackElo "2430"]
[ECO "B20"]
[EventDate "1980.07.04"]
[PlyCount "105"]

1.e4 c5 2.g3 Nc6 3.Bg2 g6 4.Ne2 Bg7 5.c3 e5 6.d3 Nge7 7.O-O O-O 8.Be3 d6 
9.a3 Be6 10.b4 b6 11.b5 Nb8 12.c4 a6 13.Nbc3 axb5 14.Nxb5 Nbc6 15.Rb1 Nd4 
16.Nexd4 cxd4 17.Bd2 Nc6 18.f4 f6 19.f5 Bf7 20.h4 Na7 21.a4 Nxb5 22.Rxb5 
Be8 23.Rb4 Ra6 24.Qb3 Kh8 25.Rb1 Bc6 26.Bh3 Qe8 27.Rxb6 Bxa4 28.Qa3 Ra8 
29.Qc1 Rg8 30.Rxd6 gxf5 31.Bxf5 Bf8 32.Rxf6 Rxg3+ 33.Kh2 Rg7 34.Bg5 Qh5 
35.Qd2 Be7 36.Rg1 Rag8 37.Bh3 Rxg5 38.Rxg5 Rxg5 39.Qxg5 Qxg5 40.hxg5 Bxf6 
41.gxf6 Bc2 42.Be6 Bxd3 43.Bd5 h6 44.c5 Ba6 45.c6 d3 46.Bf7 d2 47.Bh5 Bc8 
48.Kg3 Kg8 49.c7 Kf8 50.Kf2 Ba6 51.Ke3 d1=Q 52.Bxd1 Kf7 53.Bg4 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "13"]
[White "Savon, Vladimir"]
[Black "Sloth, Joern"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2385"]
[ECO "A07"]
[EventDate "1980.07.04"]
[PlyCount "63"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.O-O Bg4 5.d3 Nbd7 6.Nbd2 e6 7.h3 Bh5 8.e4 Be7
9.Qe2 O-O 10.Re1 dxe4 11.dxe4 e5 12.a4 Re8 13.Qc4 Qc7 14.Nh4 Bf8 15.Nb3 
Nb6 16.Qc3 Nfd7 17.a5 Nc8 18.Nf5 Bg6 19.Be3 Nd6 20.Nxd6 Bxd6 21.Red1 Red8 
22.f3 Nf8 23.Nc5 b6 24.Na6 Qb7 25.Nb4 Rac8 26.axb6 axb6 27.Bf1 b5 28.Rxd6 
Rxd6 29.Ra7 Qb8 30.Na6 b4 31.Qc5 Ne6 32.Qa5 1-0

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "13"]
[White "Fries-Nielsen, Niels Joergen"]
[Black "Mestel, Andrew Jonathan"]
[Result "0-1"]
[WhiteElo "2315"]
[BlackElo "2485"]
[ECO "B50"]
[EventDate "1980.07.04"]
[PlyCount "76"]

1.e4 c5 2.Nf3 d6 3.b4 cxb4 4.d4 Nf6 5.Bd3 e6 6.O-O Be7 7.a3 Nc6 8.Re1 d5 
9.e5 Nd7 10.axb4 Nxb4 11.Bb5 Qb6 12.Na3 O-O 13.c3 Nc6 14.Bd3 f6 15.Ng5 
fxg5 16.Qh5 Rf5 17.Bxf5 exf5 18.Qf3 Nf8 19.Qxd5+ Be6 20.Qb5 Qd8 21.Qxb7 
Na5 22.Qa6 Bc8 23.Qb5 a6 24.Qa4 Bd7 25.Qd1 Be6 26.Rb1 Ng6 27.Nc2 Nc4 28.
Nb4 Bxb4 29.Rxb4 g4 30.Qa4 Qd5 31.g3 Qf3 32.Qd1 Qxc3 33.Rb3 Qa5 34.d5 Qxd5
35.Rd3 Qa5 36.Bf4 Re8 37.Rb3 Ncxe5 38.Bxe5 Nxe5 0-1

[Event "5th North Sea Cup"]
[Site "Esbjerg DEN"]
[Date "1980.07.??"]
[Round "13"]
[White "Jakobsen, Ole"]
[Black "Plachetka, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2480"]
[ECO "E12"]
[EventDate "1980.07.04"]
[PlyCount "91"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 Ne4 6.Nxe4 Bxe4 7.e3 c5 8.Bd3 Bb7
9.O-O Be7 10.Re1 O-O 11.d5 d6 12.e4 Nd7 13.Bf4 e5 14.Bd2 Bc8 15.b4 Nf6 16.
bxc5 bxc5 17.Qa4 Bg4 18.Ba5 Qc8 19.Nd2 Nh5 20.Qc6 Qxc6 21.dxc6 Nf4 22.Bc2 
Ne2+ 23.Kf1 Nd4 24.Ba4 Rac8 25.c7 Bg5 26.Ra2 Be6 27.Rc1 f5 28.exf5 Bxf5 
29.Rc3 Rf7 30.Nf3 Bf6 31.Nxd4 cxd4 32.Rb3 Be6 33.Rc2 Rfxc7 34.Bxc7 Rxc7 
35.Ke1 Kf7 36.Bb5 e4 37.Ba6 d3 38.Rc1 d2+ 39.Kxd2 Bg5+ 40.Re3 Kf6 41.Rc3 
Ke5 42.Kc2 Bxe3 43.fxe3 Rf7 44.Kb2 Rf1 45.c5 Rf2+ 46.Kc1 1/2-1/2

