[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.03"]
[Round "1"]
[White "Visier Segovia, Fernando"]
[Black "Zwaig, Arne"]
[Result "1/2-1/2"]
[WhiteElo "2350"]
[BlackElo "2475"]
[ECO "A80"]
[EventDate "1976.10.03"]
[PlyCount "54"]

1.d4 f5 2.Nc3 Nf6 3.Bg5 d5 4.Bxf6 exf6 5.e3 g6 6.Bd3 c6 7.Qf3 Bd6 8.h4 h5 
9.Nge2 Be6 10.Nf4 Bf7 11.g3 Nd7 12.O-O Qe7 13.a3 a5 14.Rfe1 Kf8 15.e4 fxe4
16.Nxe4 dxe4 17.Rxe4 Be5 18.Rae1 Kg7 19.Bf1 Qd6 20.dxe5 Nxe5 21.Qc3 Rad8 
22.Bg2 Qd2 23.Qc5 Rhe8 24.R4e2 Qd4 25.Qxd4 Rxd4 26.Nxh5+ gxh5 27.f4 Ng4 
1/2-1/2

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.03"]
[Round "1"]
[White "Szabo, Laszlo"]
[Black "Marovic, Drazen"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2485"]
[ECO "A33"]
[EventDate "1976.10.03"]
[PlyCount "74"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 e6 6.Ndb5 Bb4 7.Bf4 O-O 8.Bd6
Bxd6 9.Nxd6 Qb6 10.Qd2 Nd4 11.e3 Qxd6 12.exd4 b6 13.Be2 Bb7 14.O-O Rac8 
15.Rfd1 Qe7 16.d5 exd5 17.cxd5 a6 18.Bf3 Qd6 19.Qd4 b5 20.Rac1 Rfe8 21.h3 
g6 22.a3 Rc4 23.Qa7 Qb8 24.Qb6 Kg7 25.Re1 Rcc8 26.Rcd1 h5 27.Rxe8 Rxe8 28.
Na2 Qa8 29.Nb4 a5 30.Nc2 Qa6 31.Qd4 Qd6 32.Ne3 b4 33.Nc4 Qa6 34.a4 Qa8 35.
Nd6 Rf8 36.g4 hxg4 37.hxg4 Qb8 1-0

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.03"]
[Round "1"]
[White "Larsen, Bent"]
[Black "Pomar Salamanca, Arturo"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2430"]
[ECO "D42"]
[EventDate "1976.10.03"]
[PlyCount "75"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.cxd5 Nxd5 8.Bd3 
Nc6 9.O-O O-O 10.Re1 Bd7 11.Bc2 Bf6 12.Qd3 g6 13.Bb3 Rc8 14.Bh6 Bg7 15.
Bxg7 Kxg7 16.h4 Qa5 17.Ne4 Qc7 18.Rac1 Rfd8 19.Bxd5 exd5 20.Nc3 Bf5 21.Qd2
Qd6 22.Ne5 Qf6 23.h5 gxh5 24.Ne2 Bg6 25.Nf4 Nxe5 26.dxe5 Qf5 27.Rxc8 Rxc8 
28.e6 f6 29.Qb4 Re8 30.Qxb7+ Kh6 31.Nxg6 Qxg6 32.Qxa7 Qg5 33.a4 f5 34.Qd4 
f4 35.Re5 Qg7 36.e7 Rg8 37.Qxd5 f3 38.Qe6+ 1-0

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.03"]
[Round "1"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "1-0"]
[WhiteElo "2380"]
[BlackElo "2345"]
[ECO "B45"]
[EventDate "1976.10.03"]
[PlyCount "45"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.g3 Bb4 7.Bg2 Bxc3+ 8.
bxc3 O-O 9.O-O Qa5 10.Bd2 d5 11.exd5 exd5 12.c4 Qa4 13.Nxc6 bxc6 14.cxd5 
Nxd5 15.c3 Qc4 16.Qb3 Qe2 17.c4 Nb6 18.Bb4 Rd8 19.Bxc6 Rb8 20.Bd6 Qe6 21.
Rfe1 Qg6 22.c5 Ba6 23.Be4 1-0

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.03"]
[Round "1"]
[White "Ortega, Manuel"]
[Black "Garcia Conesa, Gregorio"]
[Result "1/2-1/2"]
[ECO "E10"]
[EventDate "1976.10.03"]
[PlyCount "65"]

1.Nf3 Nf6 2.d4 c5 3.c4 e6 4.d5 b5 5.dxe6 fxe6 6.e3 bxc4 7.Bxc4 Be7 8.b3 
O-O 9.Nbd2 Nc6 10.Bb2 a6 11.O-O d5 12.Be2 Bd6 13.Qc2 e5 14.e4 d4 15.Ne1 
Kh8 16.Nd3 Nb4 17.Nxb4 cxb4 18.Nc4 Bb7 19.Bd3 Nh5 20.Bc1 Bc7 21.Qe2 Qh4 
22.Bd2 Rf6 23.f3 Rg6 24.Qf2 Qe7 25.Rfc1 Rf8 26.Rc2 a5 27.Rac1 Bd8 28.Nxe5 
Re6 29.Nc6 Bxc6 30.Rxc6 Rxc6 31.Rxc6 Qb7 32.Rc5 Nf6 33.Qe2 1/2-1/2

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.04"]
[Round "2"]
[White "Visier Segovia, Fernando"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[WhiteElo "2350"]
[BlackElo "2525"]
[ECO "E91"]
[EventDate "1976.10.03"]
[PlyCount "81"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 Bg4 7.Be3 Nfd7 8.Qd2 c5
9.d5 Qa5 10.Rc1 Na6 11.Bh6 Nc7 12.h4 Bxf3 13.Bxf3 f6 14.Be3 Ne5 15.Be2 f5 
16.exf5 gxf5 17.g3 Kh8 18.b3 a6 19.O-O b5 20.Bg5 Nf7 21.Bf4 Rab8 22.Rfe1 
Ne5 23.Bg5 bxc4 24.Bxe7 Rfe8 25.Bxd6 cxb3 26.axb3 Rxb3 27.Nb1 Qb6 28.Bxc5 
Qb7 29.Nc3 Rb2 30.Qf4 Nxd5 31.Nxd5 Qxd5 32.Bd4 Qxd4 33.Qxd4 Nf3+ 34.Bxf3 
Rxe1+ 35.Rxe1 Bxd4 36.Re2 a5 37.Rxb2 Bxb2 38.Bc6 Kg7 39.Kg2 Kf6 40.Kf3 Ke5
41.Bd7 1/2-1/2

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.04"]
[Round "2"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Ortega, Manuel"]
[Result "1-0"]
[WhiteElo "2345"]
[ECO "A34"]
[EventDate "1976.10.03"]
[PlyCount "109"]

1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nc3 c5 5.e3 O-O 6.a3 Nc6 7.Nge2 Ne5 8.d3 d6 
9.f4 Nc6 10.O-O Bd7 11.h3 a6 12.Rb1 Rb8 13.b4 cxb4 14.axb4 Na7 15.e4 Ne8 
16.Be3 Nc8 17.b5 Nc7 18.d4 axb5 19.cxb5 b6 20.Qd3 Ra8 21.Rb3 Ra5 22.d5 e6 
23.Bd4 e5 24.Be3 Qe8 25.Rfb1 f5 26.Qc4 Qd8 27.exf5 Bxf5 28.Rc1 Ne8 29.Ne4 
Rf7 30.N2c3 Rc7 31.Qf1 h5 32.Kh2 Nf6 33.Ng5 Nd7 34.Ne6 Bxe6 35.dxe6 Nc5 
36.Nd5 Rca7 37.Bxc5 dxc5 38.f5 Ra2 39.Rd1 gxf5 40.Qxf5 Qf8 41.Qxh5 e4 42.
Nf4 Bd4 43.Qd5 Ne7 44.Qxe4 Qf5 45.Qxf5 Nxf5 46.Re1 c4 47.Rf3 Rb2 48.h4 Bc5
49.Kh3 Bb4 50.Re5 Ng7 51.Nd5 Bd6 52.Rg5 Rb3 53.Nf6+ Kh8 54.Rg6 Bf4 55.Rxf4
1-0

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.04"]
[Round "2"]
[White "Pomar Salamanca, Arturo"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2380"]
[ECO "D20"]
[EventDate "1976.10.03"]
[PlyCount "82"]

1.c4 Nf6 2.Nc3 d5 3.d4 dxc4 4.e4 e5 5.Nf3 exd4 6.Qxd4 Qxd4 7.Nxd4 Bb4 8.f3
a6 9.Bxc4 O-O 10.Be3 Re8 11.Kf2 Nbd7 12.Rhd1 Bf8 13.Rac1 Ne5 14.Be2 c5 15.
Nf5 b5 16.a4 Bd7 17.axb5 axb5 18.g4 h6 19.h4 b4 20.Nd5 Nxd5 21.Rxd5 Ra2 
22.Rd2 Be6 23.Bxc5 Rc8 24.Bxf8 Rxc1 25.Bxg7 Nxg4+ 26.fxg4 Bxf5 27.Bf6 Bxe4
28.Rd8+ Kh7 29.h5 Ra8 30.Bd3 Bxd3 31.Rxa8 Rf1+ 32.Ke3 Rxf6 33.Kxd3 Rf4 34.
Rc8 Rxg4 35.Rc4 Rg3+ 36.Kd4 Rh3 37.Rxb4 Rh4+ 38.Kc3 Rxh5 39.Rg4 Rh1 40.b4 
f5 41.Rg2 h5 1/2-1/2

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.04"]
[Round "2"]
[White "Marovic, Drazen"]
[Black "Larsen, Bent"]
[Result "0-1"]
[WhiteElo "2485"]
[BlackElo "2625"]
[ECO "A10"]
[EventDate "1976.10.03"]
[PlyCount "90"]

1.Nf3 b6 2.c4 Bb7 3.Nc3 e6 4.a3 c5 5.e3 Nf6 6.Be2 Nc6 7.O-O Be7 8.d4 cxd4 
9.exd4 d5 10.cxd5 Nxd5 11.Bd3 Rc8 12.Qe2 Nf6 13.Rd1 O-O 14.Bc2 Na5 15.Ne5 
Nd5 16.Bd2 Nxc3 17.Bxc3 Bd5 18.Rd3 Nc4 19.Rh3 g6 20.a4 f5 21.Nxc4 Bxc4 22.
Bd3 Bd5 23.Ba6 Rc7 24.Rd3 Bd6 25.Re1 Qh4 26.g3 Qf6 27.Re3 Kf7 28.f4 h6 29.
Re5 Bxe5 30.fxe5 Qe7 31.Qd2 Qg5 32.Qe2 Kg7 33.Rf1 Qg4 34.Qxg4 fxg4 35.Rxf8
Kxf8 36.Bd3 Kg7 37.Kf2 Bc4 38.Be4 a5 39.Ke3 g5 40.Bc2 h5 41.Be4 Bd5 42.Bd3
Bb3 43.Be4 Kf7 44.Bg2 Kg7 45.Be4 Rc8 0-1

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.04"]
[Round "2"]
[White "Zwaig, Arne"]
[Black "Garcia Conesa, Gregorio"]
[Result "1-0"]
[WhiteElo "2475"]
[ECO "A16"]
[EventDate "1976.10.03"]
[PlyCount "83"]

1.g3 Nf6 2.Bg2 g6 3.c4 Bg7 4.Nc3 O-O 5.d3 d6 6.Nf3 c6 7.O-O h6 8.b4 e5 9.
Rb1 Be6 10.b5 Qc7 11.Ba3 Rd8 12.Qa4 Nbd7 13.Nd2 c5 14.Qc2 Nb6 15.e4 Qd7 
16.f4 exf4 17.gxf4 Bh3 18.f5 Bxg2 19.Kxg2 Ng4 20.Rbe1 Qe7 21.Nf3 Bd4 22.
Bc1 Qf6 23.e5 Nxe5 24.Ne4 Qg7 25.Nxd4 cxd4 26.Kh1 g5 27.Ng3 f6 28.Bb2 Nbd7
29.Bxd4 Nc5 30.Re3 b6 31.Qe2 Rac8 32.Bb2 Ncd7 33.h3 Kf8 34.Kh2 Re8 35.Ne4 
Nf7 36.d4 Re7 37.Qh5 Rce8 38.Rfe1 Nb8 39.Ba3 Rd8 40.Nxd6 Rxe3 41.Rxe3 Rxd6
42.Re6 1-0

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.05"]
[Round "3"]
[White "Szabo, Laszlo"]
[Black "Zwaig, Arne"]
[Result "0-1"]
[WhiteElo "2525"]
[BlackElo "2475"]
[ECO "A13"]
[EventDate "1976.10.03"]
[PlyCount "136"]

1.c4 Nf6 2.Nf3 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.O-O a6 7.Qxc4 b5 8.Qc6 
Rb8 9.Qc2 Bb7 10.Nc3 c5 11.d3 Be7 12.Bf4 Rc8 13.a4 b4 14.Nd1 O-O 15.Re1 
Nd5 16.Bd2 e5 17.Ne3 Re8 18.Nc4 Bf8 19.Bh3 Rc7 20.e4 N5b6 21.Bg5 f6 22.Be3
Qe7 23.Nfd2 Nxc4 24.Nxc4 Nb8 25.Nb6 Qf7 26.Rac1 Rc6 27.Nd5 a5 28.Qb3 Kh8 
29.Rc2 Na6 30.Rec1 Rd8 31.Bg2 Nc7 32.Bxc5 Bxc5 33.Rxc5 Rxc5 34.Rxc5 Ne6 
35.Nc7 Bd5 36.Rxd5 Qxc7 37.Rxd8+ Nxd8 38.Bh3 g6 39.Qc4 Qxc4 40.dxc4 Nb7 
41.Bg4 Nc5 42.Bd1 Nxe4 43.b3 Kg7 44.f3 Nc5 45.Kf2 f5 46.Ke3 Kf6 47.h4 h6 
48.f4 exf4+ 49.gxf4 Ne6 50.Bc2 Ke7 51.Bd3 Kf7 52.Bb1 Ke7 53.Bd3 Kf7 54.Bb1
Kf6 55.Bc2 g5 56.hxg5+ hxg5 57.fxg5+ Kxg5 58.Bd1 Kf6 59.c5 Nxc5 60.Kd4 Ne4
61.Bf3 Nd2 62.Bd1 f4 63.Kc5 Ke5 64.Kb5 Kd4 65.Kxa5 Kc5 66.Ka6 Nxb3 67.a5 
Nd4 68.Kb7 b3 0-1

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.05"]
[Round "3"]
[White "Larsen, Bent"]
[Black "Visier Segovia, Fernando"]
[Result "1-0"]
[WhiteElo "2625"]
[BlackElo "2350"]
[ECO "D03"]
[EventDate "1976.10.03"]
[PlyCount "64"]

1.d4 Nf6 2.Nf3 b6 3.Bg5 Bb7 4.Nbd2 d5 5.e3 e6 6.Ne5 Be7 7.Bb5+ c6 8.Bd3 
O-O 9.O-O c5 10.Qf3 a5 11.Rad1 Nc6 12.c3 Nd7 13.Qh3 f5 14.Bxe7 Qxe7 15.f4 
Ndxe5 16.dxe5 Ba6 17.Bxa6 Rxa6 18.c4 Nb4 19.a3 Nd3 20.b3 a4 21.cxd5 exd5 
22.Qf3 Qe6 23.Qe2 axb3 24.Qxd3 c4 25.Qd4 Rxa3 26.Nb1 Ra5 27.Nc3 Rc8 28.g4 
Rcc5 29.gxf5 Qxf5 30.e4 Qg4+ 31.Kh1 Ra2 32.Nxa2 bxa2 1-0

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.05"]
[Round "3"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Marovic, Drazen"]
[Result "1-0"]
[WhiteElo "2380"]
[BlackElo "2485"]
[ECO "A14"]
[EventDate "1976.10.03"]
[PlyCount "73"]

1.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 Be7 5.b3 O-O 6.O-O b6 7.Bb2 Bb7 8.Ne5 Nbd7
9.f4 c5 10.Nc3 a6 11.e3 Rb8 12.d3 Qc7 13.Qe2 Rbd8 14.cxd5 exd5 15.Rac1 
Rfe8 16.d4 Bf8 17.g4 Ne4 18.Nxe4 dxe4 19.dxc5 bxc5 20.Nxf7 Kxf7 21.Qc4+ 
Ke7 22.f5 Qc6 23.Rcd1 Nb6 24.Qg8 Rxd1 25.Rxd1 Nd7 26.Bxg7 Kd8 27.Bc3 Kc8 
28.Qxh7 Ne5 29.h3 Qh6 30.Qxh6 Bxh6 31.Kf2 Nd3+ 32.Ke2 Bg5 33.Rf1 Ne5 34.f6
Nd7 35.Rf5 Bh4 36.g5 a5 37.g6 1-0

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.05"]
[Round "3"]
[White "Ortega, Manuel"]
[Black "Pomar Salamanca, Arturo"]
[Result "0-1"]
[BlackElo "2430"]
[ECO "B72"]
[EventDate "1976.10.03"]
[PlyCount "63"]

1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.Nc3 cxd4 5.Nxd4 Nc6 6.Be2 g6 7.Be3 Bg7 8.Qd2 
Ng4 9.Bxg4 Bxg4 10.f3 Bd7 11.Nxc6 bxc6 12.Bd4 f6 13.h4 h5 14.O-O-O Rb8 15.
f4 c5 16.Be3 Bg4 17.Rde1 Qa5 18.Qd5 Qb6 19.Qb3 Qd8 20.Qa3 O-O 21.Bd2 e6 
22.Nd1 f5 23.e5 dxe5 24.fxe5 Qd5 25.Bc3 Rfd8 26.Nf2 Qxg2 27.Nxg4 hxg4 28.
Qxc5 Qd5 29.Qa3 g3 30.Kb1 f4 31.Qa4 f3 32.Qg4 0-1

[Event "4th Costa Brava"]
[Site "Blanes ESP"]
[Date "1976.10.05"]
[Round "3"]
[White "Garcia Conesa, Gregorio"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "1-0"]
[BlackElo "2345"]
[ECO "C60"]
[EventDate "1976.10.03"]
[PlyCount "137"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.c3 Bg7 5.O-O Nge7 6.d4 O-O 7.d5 a6 8.Be2 Na7 
9.d6 cxd6 10.Qxd6 Nb5 11.Qd1 Nc7 12.c4 Ne6 13.Nc3 Nc6 14.Be3 Rb8 15.Qd2 
Re8 16.Ne1 Ncd4 17.Nc2 d6 18.f3 Bd7 19.Rac1 b5 20.cxb5 axb5 21.Nb4 Nc5 22.
Rfd1 f5 23.Bg5 Bf6 24.Bxf6 Qxf6 25.Nbd5 Qf7 26.b4 Nce6 27.Bf1 Bc6 28.Kh1 
Rf8 29.Bd3 Kh8 30.Rf1 f4 31.Be2 g5 32.Bd1 Rg8 33.Qf2 Rg6 34.Re1 Rh6 35.Kg1
Rg8 36.h3 g4 37.hxg4 Ng5 38.Ne2 Ndxf3+ 39.gxf3 Qh5 40.Qg2 Nxf3+ 41.Qxf3 
Bd7 42.Nexf4 Qh2+ 43.Kf1 Bxg4 44.Qf2 Qh1+ 45.Qg1 Bxd1 46.Qxh1 Rxh1+ 47.Kf2
Rh2+ 48.Kf1 Rh1+ 49.Kf2 Rh2+ 50.Kf1 Bc2 51.Rxc2 Rxc2 52.Ne2 Rxa2 53.Kf2 
Rc8 54.Kf3 Rcc2 55.Ng3 Rf2+ 56.Kg4 Ra8 57.Ne7 Rb2 58.Rf1 Rxb4 59.Rf7 Rb2 
60.Kg5 Rh2 61.Nh5 d5 62.exd5 b4 63.d6 Rd8 64.Nf5 b3 65.Kh6 b2 66.Rxh7+ Kg8
67.Ne7+ Kf8 68.Ng6+ Ke8 69.Re7# 1-0

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.06"]
[Round "4"]
[White "Visier Segovia, Fernando"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1/2-1/2"]
[WhiteElo "2350"]
[BlackElo "2380"]
[ECO "A80"]
[EventDate "1976.10.03"]
[PlyCount "47"]

1.d4 f5 2.Nc3 d5 3.e4 dxe4 4.Bg5 g6 5.Bc4 Bg7 6.Nge2 Nc6 7.Bb5 a6 8.Bxc6+ 
bxc6 9.O-O Nf6 10.Na4 Rb8 11.b3 O-O 12.Qd2 e5 13.Rad1 exd4 14.Nxd4 Qe8 15.
Qc3 h6 16.Bc1 Ng4 17.Qxc6 Qf7 18.Qc5 g5 19.Nc6 Rb5 20.Qe7 Qh5 21.h3 Nxf2 
22.Rd8 Nxh3+ 23.gxh3 Qxh3 24.Bb2 1/2-1/2

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.06"]
[Round "4"]
[White "Szabo, Laszlo"]
[Black "Larsen, Bent"]
[Result "0-1"]
[WhiteElo "2525"]
[BlackElo "2625"]
[ECO "B85"]
[EventDate "1976.10.03"]
[PlyCount "89"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be2 Nf6 7.O-O Be7 8.Be3 
Bd7 9.f4 a6 10.Kh1 O-O 11.Qe1 b5 12.a3 Qb8 13.Bf3 Nxd4 14.Bxd4 e5 15.Nd5 
Nxd5 16.exd5 exd4 17.Qxe7 Bf5 18.Rac1 Re8 19.Qg5 Qc8 20.c3 h6 21.Qh5 d3 
22.Rcd1 Re3 23.h3 Ra7 24.Bg4 Bxg4 25.Qxg4 Qxg4 26.hxg4 Rae7 27.Kh2 R7e4 
28.b3 a5 29.Rd2 a4 30.Rb1 Rxf4 31.bxa4 bxa4 32.Rb6 Rc4 33.Rxd6 Kf8 34.Rc6 
Rxc6 35.dxc6 Ke7 36.Kg1 Rg3 37.Kf2 Rxg4 38.Rxd3 Rc4 39.Re3+ Kd6 40.Rf3 f6 
41.Ke2 h5 42.Kd3 Rg4 43.g3 Kxc6 44.c4 Rg5 45.Kd4 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.06"]
[Round "4"]
[White "Pomar Salamanca, Arturo"]
[Black "Garcia Conesa, Gregorio"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[ECO "A00"]
[EventDate "1976.10.03"]
[PlyCount "36"]

1.Nc3 d5 2.Nf3 g6 3.h4 h5 4.e4 d4 5.Ne2 c5 6.c3 Nc6 7.cxd4 cxd4 8.d3 e5 9.
g3 Bg7 10.Bg2 Bg4 11.O-O Qd7 12.Bd2 Nge7 13.Rc1 O-O 14.Ng5 f6 15.f3 fxg5 
16.fxg4 Rxf1+ 17.Bxf1 gxh4 18.gxh5 gxh5 1/2-1/2

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.06"]
[Round "4"]
[White "Marovic, Drazen"]
[Black "Ortega, Manuel"]
[Result "1-0"]
[WhiteElo "2485"]
[ECO "A50"]
[EventDate "1976.10.03"]
[PlyCount "71"]

1.d4 Nf6 2.c4 b6 3.Nc3 Bb7 4.Qc2 e6 5.e4 d6 6.Nge2 Nbd7 7.f3 Be7 8.Be3 a6 
9.Ng3 c5 10.Be2 cxd4 11.Bxd4 O-O 12.O-O Qc7 13.Rac1 Rac8 14.Rfd1 Bc6 15.
Qd2 Qb7 16.b4 b5 17.a4 Nc5 18.bxc5 b4 19.cxd6 bxc3 20.Qxc3 Bxd6 21.Rb1 Qd7
22.e5 Nd5 23.cxd5 Bxa4 24.Qe3 Bxd1 25.Rxd1 Bb4 26.Bxa6 Ra8 27.dxe6 Qxe6 
28.Bd3 g6 29.f4 Rfd8 30.f5 Qd7 31.Bc2 Ra3 32.Qe4 Qc8 33.Ne2 Qc4 34.e6 Qd5 
35.exf7+ Kxf7 36.fxg6+ 1-0

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.06"]
[Round "4"]
[White "Zwaig, Arne"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "0-1"]
[WhiteElo "2475"]
[BlackElo "2345"]
[ECO "A34"]
[EventDate "1976.10.03"]
[PlyCount "79"]

1.g3 Nf6 2.Bg2 c5 3.c4 d5 4.cxd5 Nxd5 5.Nc3 Nc7 6.Nf3 Nc6 7.d3 e5 8.Nd2 
Bd7 9.Nc4 b5 10.Ne3 Rc8 11.O-O Nd4 12.Bd2 Be6 13.f4 exf4 14.gxf4 f5 15.a4 
a6 16.axb5 axb5 17.Ra7 Be7 18.Nc2 O-O 19.e3 Nxc2 20.Qxc2 Qd6 21.Nd1 b4 22.
Nf2 Bh4 23.Rc1 Nd5 24.Qa4 Kh8 25.Qa6 Rc6 26.Qb7 Rg8 27.Rca1 Bd8 28.R1a6 
Rb6 29.Ra8 c4 30.dxc4 Nxf4 31.Rxd8 Qxd8 32.Qxb6 Qxd2 33.Bf1 Qe1 34.Qxe6 
Nxe6 35.Rxe6 Ra8 36.Nd3 Qb1 37.c5 h6 38.Kf2 Ra1 39.Be2 Qh1 40.Kg3 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.07"]
[Round "5"]
[White "Larsen, Bent"]
[Black "Zwaig, Arne"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2475"]
[ECO "C27"]
[EventDate "1976.10.03"]
[PlyCount "84"]

1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.Nb5 g6 7.Qf3 f5 8.Qd5 
Qf6 9.Nxc7+ Kd8 10.Nxa8 b6 11.d3 Bb7 12.h4 Ne7 13.Bg5 Nxd5 14.Bxd5 Qxg5 
15.hxg5 Bxd5 16.Nxb6 axb6 17.Nf3 Nf7 18.a4 Bxf3 19.gxf3 Nxg5 20.Ke2 Ne6 
21.c3 Bd6 22.b4 h5 23.a5 bxa5 24.bxa5 Ke7 25.a6 Ra8 26.Rhb1 h4 27.Kf1 Nc5 
28.d4 exd4 29.cxd4 Nxa6 30.Rb6 Nc7 31.Re1+ Ne6 32.d5 Ra5 33.dxe6 dxe6 34.
Rb7+ Kf6 35.Rh7 Ra4 36.Kg2 Rc4 37.Re2 Bc5 38.Rc7 Rc3 39.Rc6 Kg5 40.Rexe6 
Rc2 41.Rxg6+ Kf4 42.Kh3 Rc3 1/2-1/2

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.07"]
[Round "5"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[WhiteElo "2380"]
[BlackElo "2525"]
[ECO "C00"]
[EventDate "1976.10.03"]
[PlyCount "126"]

1.e4 e6 2.g3 d5 3.Bg2 dxe4 4.Nc3 Bd7 5.d3 Bc6 6.dxe4 Qxd1+ 7.Nxd1 Nf6 8.f3
Bb4+ 9.c3 Bc5 10.Bf4 Bb6 11.Ne2 Nbd7 12.Nd4 e5 13.Nxc6 exf4 14.Nd4 Ne5 15.
Kd2 O-O-O 16.gxf4 Ng6 17.Ke3 Rhe8 18.f5 Ne5 19.Ke2 Nh5 20.Rg1 c5 21.Nb3 a5
22.a4 Nf4+ 23.Ke3 Nxg2+ 24.Rxg2 Rd3+ 25.Ke2 c4 26.Nd4 Nxf3 27.Nf2 Nxd4+ 
28.cxd4 Rb3 29.Rc1 Rxb2+ 30.Ke3 Rb3+ 31.Kd2 Rb4 32.Nd3 Rxa4 33.Nb2 Ra2 34.
Rxc4+ Kb8 35.Kc2 Rxe4 36.Kb3 Ra1 37.Rxg7 Bxd4 38.Rxf7 Rb1 39.Rc2 Rxb2+ 40.
Rxb2 Re3+ 41.Ka2 Bxb2 42.Kxb2 Rf3 43.Rxh7 Rxf5 44.h4 Ka7 45.Rh6 Rf3 46.h5 
Rh3 47.Ka2 b6 48.Rh8 Ka6 49.h6 b5 50.h7 Ka7 51.Kb2 a4 52.Ka2 b4 53.Kb1 Rh2
54.Ka1 a3 55.Rg8 Rxh7 56.Rg4 Rb7 57.Ka2 b3+ 58.Kb1 Rb6 59.Ra4+ Ra6 60.Rb4 
b2 61.Ka2 Rb6 62.Ra4+ Kb7 63.Kb1 Rb3 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.07"]
[Round "5"]
[White "Ortega, Manuel"]
[Black "Visier Segovia, Fernando"]
[Result "1/2-1/2"]
[BlackElo "2350"]
[ECO "D04"]
[EventDate "1976.10.03"]
[PlyCount "80"]

1.d4 Nf6 2.Nf3 g6 3.b3 Bg7 4.Bb2 O-O 5.Nbd2 d5 6.e3 Bf5 7.Bd3 Bxd3 8.cxd3 
Nfd7 9.Qc2 a5 10.Rc1 Nc6 11.a3 Ra6 12.O-O Qa8 13.Qb1 Rb6 14.e4 e6 15.Qc2 
Rc8 16.Qd1 Qa6 17.Qe2 dxe4 18.Qxe4 Nf6 19.Qe2 Ne7 20.Ne5 Rb5 21.Rc5 b6 22.
Rc4 Rd5 23.a4 Nd7 24.f4 c5 25.Re1 Nxe5 26.fxe5 Nc6 27.Ne4 Nxd4 28.Bxd4 
cxd4 29.Nf6+ Bxf6 30.exf6 Rf5 31.Rf1 Rxf1+ 32.Qxf1 Rxc4 33.bxc4 Qc8 34.Qf4
Qd8 35.g4 h6 36.h4 Kh7 37.Qe5 Qd7 38.g5 hxg5 39.hxg5 Qxa4 40.Qh2+ Kg8 
1/2-1/2

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.07"]
[Round "5"]
[White "Garcia Conesa, Gregorio"]
[Black "Marovic, Drazen"]
[Result "0-1"]
[BlackElo "2485"]
[ECO "C07"]
[EventDate "1976.10.03"]
[PlyCount "118"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nf6 5.exd5 Nxd5 6.dxc5 Bxc5 7.Ne4 Be7 8.c3
O-O 9.Bd3 Nc6 10.O-O Qc7 11.Ng3 Nf4 12.Bxf4 Qxf4 13.Re1 g6 14.Qc1 Qxc1 15.
Raxc1 Bd7 16.Rcd1 Rfd8 17.Bc2 Be8 18.Kf1 b5 19.Rxd8 Rxd8 20.Rd1 Rxd1+ 21.
Bxd1 f5 22.Bb3 Bf7 23.Ne2 e5 24.Bxf7+ Kxf7 25.Ke1 Ke6 26.Kd1 g5 27.Kc2 h5 
28.Kc1 Kf6 29.Kc2 Ke6 30.Kd1 Bf6 31.Nd2 Bd8 32.Ke1 Be7 33.Ng3 h4 34.Ne2 
Bc5 35.Kf1 Bb6 36.Nf3 Bd8 37.Nd2 Bb6 38.Nf3 Kf6 39.h3 e4 40.Ne1 Ne5 41.Nc1
Nc4 42.b3 Nd2+ 43.Ke2 Nb1 44.c4 bxc4 45.bxc4 Na3 46.c5 Bxc5 47.Nb3 Bb6 48.
Nd2 Nb5 49.Nb1 Nd4+ 50.Kf1 Ke5 51.Na3 Kd5 52.Nb1 Ba5 53.Na3 Bb4 54.Nec2 
Nxc2 55.Nxc2 Bc5 56.Ke2 Kc4 57.f3 a5 58.fxe4 fxe4 59.Kd2 a4 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.07"]
[Round "5"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Pomar Salamanca, Arturo"]
[Result "0-1"]
[WhiteElo "2345"]
[BlackElo "2430"]
[ECO "A03"]
[EventDate "1976.10.03"]
[PlyCount "48"]

1.g3 d5 2.Bg2 Nf6 3.f4 g6 4.Nf3 Bg7 5.d3 b6 6.Nc3 Bb7 7.e4 dxe4 8.Ng5 Nbd7
9.O-O Nc5 10.d4 Ne6 11.Nxe6 fxe6 12.Nb1 Qd6 13.c3 O-O-O 14.Qa4 h5 15.h4 
Ng4 16.Nd2 Bc6 17.Qxa7 Bxd4+ 18.cxd4 Qxd4+ 19.Kh1 Qd3 20.Qa3 Qe2 21.Qc3 
Bd5 22.Nc4 Bxc4 23.Re1 Qf2 24.b3 Bd3 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.08"]
[Round "6"]
[White "Visier Segovia, Fernando"]
[Black "Garcia Conesa, Gregorio"]
[Result "1/2-1/2"]
[WhiteElo "2350"]
[ECO "E47"]
[EventDate "1976.10.03"]
[PlyCount "68"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d6 6.Ne2 e5 7.O-O Bxc3 8.Nxc3 
Nc6 9.d5 Ne7 10.Qc2 Ng6 11.Bf5 Bxf5 12.Qxf5 Qd7 13.Qxd7 Nxd7 14.e4 a5 15.
Be3 b6 16.b3 h6 17.a3 Rfc8 18.f3 Ne7 19.g4 Ng6 20.Nb5 Nf4 21.Rfe1 Kf8 22.
Kf1 Ke7 23.Rec1 Nc5 24.Bxf4 exf4 25.Nd4 Nd3 26.Rc3 Ne5 27.Ne2 g5 28.Nd4 
Rh8 29.Kg2 h5 30.h3 Rh7 31.Rh1 Kd7 32.a4 Rah8 33.gxh5 Rxh5 34.Rcc1 R5h7 
1/2-1/2

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.08"]
[Round "6"]
[White "Szabo, Laszlo"]
[Black "Ortega, Manuel"]
[Result "1-0"]
[WhiteElo "2525"]
[ECO "A36"]
[EventDate "1976.10.03"]
[PlyCount "82"]

1.c4 Nf6 2.Nc3 c5 3.g3 g6 4.Bg2 Bg7 5.a3 Nc6 6.Rb1 O-O 7.b4 cxb4 8.axb4 d6
9.d3 Rb8 10.Nf3 d5 11.b5 Na5 12.Bf4 Ra8 13.cxd5 Nxd5 14.Nxd5 Qxd5 15.Bd2 
Qd8 16.Qa4 b6 17.O-O Nb7 18.Qh4 a5 19.bxa6 Rxa6 20.Be3 Nc5 21.Qb4 Na4 22.
Nd4 Bd7 23.Rfc1 Nc5 24.Nc6 Bxc6 25.Bxc6 Qd6 26.Bb5 Ra2 27.d4 Ne4 28.Bc4 
Ra5 29.Qxb6 Rfa8 30.Bd3 Qxb6 31.Rxb6 Nd6 32.Rcb1 Ra1 33.Rxa1 Rxa1+ 34.Kg2 
h6 35.Rb4 Kh7 36.Bf4 Ra7 37.h4 h5 38.e4 Bh6 39.Bxh6 Kxh6 40.e5 Ne8 41.d5 
Kg7 1-0

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.08"]
[Round "6"]
[White "Larsen, Bent"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "0-1"]
[WhiteElo "2625"]
[BlackElo "2380"]
[ECO "C28"]
[EventDate "1976.10.03"]
[PlyCount "96"]

1.e4 e5 2.Bc4 Nf6 3.d3 Nc6 4.Nc3 Bc5 5.Bg5 h6 6.Bh4 d6 7.Na4 Be6 8.Nxc5 
dxc5 9.b3 Bxc4 10.bxc4 Qd6 11.Ne2 Nd4 12.Rb1 Nxe2 13.Qxe2 Nd7 14.O-O g5 
15.Bg3 O-O-O 16.Qh5 Qe6 17.h3 Nb8 18.f3 Nc6 19.Bf2 Qe7 20.h4 b6 21.Qg4+ 
Kb7 22.h5 Nb8 23.Bg3 Nd7 24.Qf5 f6 25.Bf2 Nf8 26.g3 Ne6 27.Kg2 Ng7 28.Qg4 
Rhg8 29.Be3 a6 30.a4 a5 31.Rh1 Ka7 32.Kf1 Rgf8 33.Rh2 Qe8 34.Ra1 f5 35.
exf5 Nxf5 36.Bg1 Qc6 37.Kg2 Nd4 38.Kh3 Nxf3 39.Re2 Nh4 40.Re4 Nf3 41.Be3 
Rf6 42.Bc1 Rdf8 43.Bb2 Nd2 44.Rxe5 Rf2 45.Rd5 Nf3 46.Qd7 g4+ 47.Kxg4 Rg8+ 
48.Kf4 Ne5+ 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.08"]
[Round "6"]
[White "Marovic, Drazen"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2345"]
[ECO "A64"]
[EventDate "1976.10.03"]
[PlyCount "86"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 g6 6.Nf3 d6 7.g3 Bg7 8.Bg2 O-O 
9.O-O Re8 10.Nd2 a6 11.a4 Nbd7 12.h3 Rb8 13.Nc4 Ne5 14.Na3 Nh5 15.e4 f5 
16.exf5 Bxf5 17.g4 Bxg4 18.hxg4 Qh4 19.gxh5 Rf8 20.h6 Bh8 21.Ne4 Ng4 22.
Qxg4 Qxg4 23.Nc4 b5 24.axb5 axb5 25.Na5 Ra8 26.Ra3 b4 27.Rg3 Qe2 28.Nc6 
Bxb2 29.Be3 b3 30.Nxd6 Ra1 31.Bxc5 Qc2 32.Rxa1 Bxa1 33.Be3 Qd1+ 34.Kh2 b2 
35.Be4 b1=Q 36.Bxb1 Qxb1 37.Rg1 Qa2 38.Ne4 Be5+ 39.Nxe5 Qxd5 40.Nxg6 hxg6 
41.Rxg6+ Kh8 42.Rg4 Qh5+ 43.Kg3 Qh1 1/2-1/2

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.08"]
[Round "6"]
[White "Zwaig, Arne"]
[Black "Pomar Salamanca, Arturo"]
[Result "1-0"]
[WhiteElo "2475"]
[BlackElo "2430"]
[ECO "A29"]
[EventDate "1976.10.03"]
[PlyCount "81"]

1.g3 e5 2.c4 Nf6 3.Bg2 d5 4.cxd5 Nxd5 5.Nc3 Nb6 6.Nf3 Nc6 7.O-O Be7 8.a3 
a5 9.d3 O-O 10.Be3 Be6 11.Rc1 f5 12.Na4 Nxa4 13.Qxa4 Bf6 14.Rc5 g5 15.Nd2 
f4 16.Rxc6 bxc6 17.Bc5 Bd5 18.Bxf8 Qxf8 19.Rc1 Qf7 20.Rxc6 Bxc6 21.Qxc6 
Rd8 22.Ne4 Be7 23.Qxc7 g4 24.h4 f3 25.exf3 gxf3 26.Bxf3 Bxh4 27.Qxf7+ Kxf7
28.gxh4 Rxd3 29.Be2 Rd4 30.f3 a4 31.Kf2 Kg6 32.Ke3 Kf5 33.Bd3 Kg6 34.f4 
Rd8 35.fxe5 Kf5 36.Nd6+ Ke6 37.Bc4+ Ke7 38.b4 axb3 39.Bxb3 Ra8 40.a4 Rb8 
41.Bc4 1-0

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.09"]
[Round "7"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Zwaig, Arne"]
[Result "1/2-1/2"]
[WhiteElo "2380"]
[BlackElo "2475"]
[ECO "C49"]
[EventDate "1976.10.03"]
[PlyCount "68"]

1.e4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Ne2 a6 8.Bxc6 
bxc6 9.c3 Bc5 10.Bg5 h6 11.Be3 Bxe3 12.fxe3 d5 13.Ng3 dxe4 14.dxe4 Qxd1 
15.Raxd1 Nd7 16.Ne1 Nc5 17.b4 Na4 18.Rc1 Be6 19.Nf5 Rfe8 20.c4 a5 21.Nd3 
Rad8 22.Rfd1 g6 23.Nh4 axb4 24.Nxb4 Rxd1+ 25.Rxd1 Nb2 26.Ra1 Nxc4 27.Nxc6 
Nxe3 28.Nf3 f6 29.a4 Nc2 30.Rd1 Bb3 31.Rd3 Bxa4 32.Rc3 Bxc6 33.Rxc6 Nd4 
34.Rxf6 Kg7 1/2-1/2

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.09"]
[Round "7"]
[White "Ortega, Manuel"]
[Black "Larsen, Bent"]
[Result "0-1"]
[BlackElo "2625"]
[ECO "E14"]
[EventDate "1976.10.03"]
[PlyCount "92"]

1.Nf3 e6 2.d4 c5 3.e3 Nf6 4.c4 b6 5.Nc3 Bb7 6.Be2 Be7 7.O-O O-O 8.d5 exd5 
9.cxd5 d6 10.e4 Nbd7 11.Bf4 Ne8 12.Qc2 a6 13.a4 g5 14.Be3 Ng7 15.Nd2 Ne5 
16.f4 gxf4 17.Bxf4 Ng6 18.Be3 Bc8 19.Rf2 Rb8 20.Raf1 Bh4 21.g3 Bg5 22.Nc4 
Bxe3 23.Nxe3 Ne5 24.Nf5 Nxf5 25.exf5 f6 26.Rf4 Kh8 27.Rh4 Rg8 28.Rff4 Rg7 
29.Ne4 Qf8 30.Kf2 b5 31.a5 Bb7 32.Rh6 Nd7 33.Qd2 Re8 34.Bf3 Re5 35.Nc3 c4 
36.Qd4 Nc5 37.Rfh4 Nd3+ 38.Kg1 Qe7 39.Be4 Nc5 40.Bf3 Bc8 41.Ne2 Nb3 42.Qc3
Bxf5 43.Nf4 Re1+ 44.Kf2 Rc1 45.Qb4 Qa7+ 46.Ke2 Rc2+ 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.09"]
[Round "7"]
[White "Garcia Conesa, Gregorio"]
[Black "Szabo, Laszlo"]
[Result "1-0"]
[BlackElo "2525"]
[ECO "C90"]
[EventDate "1976.10.03"]
[PlyCount "139"]

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.c3 d6 10.d4 Na5 11.Bc2 Nd7 12.Nbd2 c5 13.dxc5 dxc5 14.Nf1 c4 15.Ne3 Nc5 
16.Nd5 Nab3 17.Rb1 Nxc1 18.Rxc1 Bd6 19.Re2 Re8 20.Rd2 Bf8 21.axb5 axb5 22.
Ra1 Rxa1 23.Qxa1 Qa8 24.Qb1 Qa5 25.Rd1 h6 26.h3 Nb3 27.Nh4 Bc5 28.Nf5 Bxd5
29.Rxd5 Qb6 30.Qe1 Rd8 31.Qe2 Rxd5 32.exd5 Qf6 33.Ne3 Bxe3 34.Qxe3 g6 35.
Bxb3 cxb3 36.Qc5 Qf4 37.d6 Kh7 38.g3 Qd2 39.Qxe5 Qxb2 40.d7 Qc1+ 41.Kg2 
Qd2 42.Qxb5 b2 43.c4 h5 44.h4 b1=Q 45.Qxb1 Qxd7 46.Qe4 Qc7 47.Qd5 Kg7 48.
Kf3 Kf8 49.Ke4 Qe7+ 50.Qe5 Qb4 51.Kd5 Qa5+ 52.c5 Qa8+ 53.Kc4 Qa4+ 54.Kd3 
Qd1+ 55.Kc4 Qa4+ 56.Kd3 Qd1+ 57.Ke4 Qe2+ 58.Kd5 Qxf2 59.Kd6 Qd2+ 60.Kc6 
Qa5 61.Qd6+ Kg7 62.Kd7 Qa7+ 63.Qc7 Qa4+ 64.c6 Qb5 65.Kc8 g5 66.Qb7 Qe5 67.
Qd7 Qxg3 68.c7 gxh4 69.Qd4+ Kg6 70.Kd7 1-0

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.09"]
[Round "7"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Visier Segovia, Fernando"]
[Result "1/2-1/2"]
[WhiteElo "2345"]
[BlackElo "2350"]
[ECO "D34"]
[EventDate "1976.10.03"]
[PlyCount "25"]

1.c4 Nf6 2.g3 c5 3.Bg2 Nc6 4.Nc3 e6 5.Nf3 Be7 6.O-O O-O 7.d4 d5 8.cxd5 
exd5 9.Bg5 cxd4 10.Nxd4 Re8 11.Rc1 Bg4 12.h3 Bd7 13.Ndb5 1/2-1/2

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.09"]
[Round "7"]
[White "Pomar Salamanca, Arturo"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2485"]
[ECO "D10"]
[EventDate "1976.10.03"]
[PlyCount "32"]

1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Nc3 Nf6 5.Bf4 Nc6 6.e3 Bf5 7.Qb3 Na5 8.Bb5+ 
Bd7 9.Qa4 Nc6 10.Nf3 a6 11.Bxc6 Bxc6 12.Qb3 e6 13.Ne5 Bd6 14.O-O O-O 15.
Rac1 Bxe5 16.Bxe5 Ne4 1/2-1/2

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.11"]
[Round "8"]
[White "Visier Segovia, Fernando"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[WhiteElo "2350"]
[BlackElo "2430"]
[ECO "E54"]
[EventDate "1976.10.03"]
[PlyCount "94"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O dxc4 8.Bxc4 
Nc6 9.Bd3 Qe7 10.Ne4 Nxe4 11.Bxe4 Rd8 12.a3 Ba5 13.Qa4 Bb6 14.dxc5 Qxc5 
15.Bd2 Bd7 16.Bc3 Rac8 17.Bc2 Qh5 18.Qe4 Qg6 19.Qxg6 hxg6 20.Rfd1 Ba5 21.
b4 Bb6 22.Ba4 Ne5 23.Bxd7 Nxd7 24.Rac1 Nf6 25.Rxd8+ Bxd8 26.Bb2 Rxc1+ 27.
Bxc1 Kf8 28.Kf1 Ke7 29.Ne5 Bc7 30.Bb2 Nh7 31.Ke2 Nf8 32.Bd4 Bxe5 33.Bxe5 
f6 34.Bd4 a6 35.Bc5+ Ke8 36.Bxf8 Kxf8 37.Kd3 Ke7 38.Kd4 Kd6 39.f4 Kc6 40.
a4 f5 41.e4 Kd7 42.e5 Kc6 43.Kc4 b5+ 44.axb5+ axb5+ 45.Kd4 Kb6 46.Ke3 Kc6 
47.Kd4 Kb6 1/2-1/2

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.11"]
[Round "8"]
[White "Szabo, Laszlo"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2345"]
[ECO "A67"]
[EventDate "1976.10.03"]
[PlyCount "109"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 g6 6.e4 d6 7.f4 Bg7 8.Bb5+ Nfd7
9.Bd3 O-O 10.Nf3 Re8 11.O-O Na6 12.Kh1 Nb4 13.Be2 Nf6 14.a3 Na6 15.e5 dxe5
16.fxe5 Ng4 17.Bg5 f6 18.exf6 Bxf6 19.Bxf6 Qxf6 20.d6 Bf5 21.Qd5+ Qf7 22.
Bc4 Be6 23.Ng5 Bxd5 24.Bxd5 Qxd5 25.Nxd5 h6 26.Ne7+ Rxe7 27.dxe7 Re8 28.
Rf8+ Rxf8 29.exf8=Q+ Kxf8 30.Ne6+ Ke7 31.Re1 Kd6 32.Nd8 Kc7 33.Nf7 Nf2+ 
34.Kg1 Nd3 35.Re7+ Kb6 36.Nd6 Kc6 37.Nxb7 Nxb2 38.Na5+ Kb5 39.Rb7+ Kxa5 
40.Rxb2 Nc7 41.Kf2 Nb5 42.Ke3 c4 43.Rf2 Ka4 44.Rf6 Nxa3 45.Rxg6 Kb3 46.
Rxh6 c3 47.Rc6 Nc2+ 48.Ke4 Nb4 49.Rc5 c2 50.h4 Na2 51.Rxc2 Kxc2 52.h5 Nc3+
53.Ke5 Kd3 54.h6 Ne4 55.Kf5 1-0

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.11"]
[Round "8"]
[White "Larsen, Bent"]
[Black "Garcia Conesa, Gregorio"]
[Result "1-0"]
[WhiteElo "2625"]
[ECO "A25"]
[EventDate "1976.10.03"]
[PlyCount "87"]

1.c4 e5 2.g3 Nf6 3.Bg2 Nc6 4.Nc3 Be7 5.a3 a5 6.e3 O-O 7.Nge2 d6 8.O-O Re8 
9.b3 Bf8 10.Bb2 Bf5 11.e4 Bg6 12.d3 Nd7 13.f4 Bh5 14.Bf3 Bxf3 15.Rxf3 Nc5 
16.f5 a4 17.b4 Nb3 18.Rb1 Ncd4 19.Nxd4 Nxd4 20.Rf2 Be7 21.Nxa4 Bg5 22.Kg2 
h5 23.Nc3 Be3 24.Rf1 Bg5 25.h4 Bf6 26.Qxh5 c6 27.g4 Kf8 28.g5 Ke7 29.Rf2 
Rh8 30.Qg4 Kd7 31.Rh1 Kc7 32.gxf6 gxf6 33.Kf1 Qf8 34.Qd1 Rg8 35.Ne2 Nxe2 
36.Kxe2 Rg3 37.h5 Rd8 38.h6 d5 39.cxd5 cxd5 40.exd5 Qg8 41.Rh4 Kb8 42.h7 
Qg7 43.Qc1 Rg2 44.d6 1-0

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.11"]
[Round "8"]
[White "Castro Rojas, Oscar Humberto"]
[Black "Ortega, Manuel"]
[Result "1-0"]
[WhiteElo "2380"]
[ECO "B15"]
[EventDate "1976.10.03"]
[PlyCount "27"]

1.e4 c6 2.d4 d5 3.Nc3 g6 4.h4 h5 5.Bf4 Bg7 6.exd5 cxd5 7.Nb5 Na6 8.Qe2 Kf8
9.Nf3 Bd7 10.Ne5 Nf6 11.c3 Bh6 12.Qd2 Kg7 13.Bxh6+ Rxh6 14.Qxh6+ 1-0

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.11"]
[Round "8"]
[White "Zwaig, Arne"]
[Black "Marovic, Drazen"]
[Result "0-1"]
[WhiteElo "2475"]
[BlackElo "2485"]
[ECO "A36"]
[EventDate "1976.10.03"]
[PlyCount "90"]

1.g3 g6 2.Bg2 Bg7 3.c4 c5 4.Nc3 Nc6 5.a3 a5 6.d3 d6 7.Nh3 Nf6 8.O-O h5 9.
Bg5 h4 10.gxh4 Ng4 11.Qd2 Nd4 12.Rae1 Nf5 13.Nd5 f6 14.f3 Ne5 15.f4 Nc6 
16.e4 Nfd4 17.e5 fxg5 18.exd6 Qxd6 19.Nxg5 Bf5 20.Ne4 Bxe4 21.dxe4 e6 22.
e5 Qd8 23.Be4 exd5 24.cxd5 Ne7 25.Qg2 Rh6 26.d6 Nef5 27.Bxf5 Nxf5 28.Qxb7 
Rb8 29.Qc6+ Kf8 30.e6 Bd4+ 31.Kh1 Qxd6 32.e7+ Kg7 33.e8=Q Rxe8 34.Qxe8 
Qd5+ 35.Qe4 Qxe4+ 36.Rxe4 Rxh4 37.Rf3 Bxb2 38.Ra4 Bd4 39.h3 Rh8 40.Rb3 Rc8
41.Rxa5 c4 42.Rb7+ Kh6 43.Rd5 Be3 44.Kg2 c3 45.Rdd7 Bxf4 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.12"]
[Round "9"]
[White "Ortega, Manuel"]
[Black "Zwaig, Arne"]
[Result "0-1"]
[BlackElo "2475"]
[ECO "D90"]
[EventDate "1976.10.03"]
[PlyCount "78"]

1.Nf3 Nf6 2.d4 g6 3.c4 Bg7 4.Nc3 d5 5.e3 O-O 6.cxd5 Nxd5 7.Be2 c5 8.Qb3 
Nxc3 9.bxc3 Nc6 10.O-O Qc7 11.Ba3 cxd4 12.cxd4 Be6 13.Qb5 Rfd8 14.Ng5 Bd5 
15.Bf3 e6 16.Rac1 h6 17.Ne4 a6 18.Qb2 b5 19.Bc5 Na5 20.Nd2 Bxf3 21.Nxf3 
Nc4 22.Qe2 e5 23.Rfd1 Rac8 24.h3 Qa5 25.a4 exd4 26.exd4 Qc7 27.axb5 axb5 
28.Rb1 Qc6 29.Rd3 Re8 30.Qd1 Ra8 31.Rdb3 Ra5 32.Bb4 Ra2 33.Ra1 Rxa1 34.
Qxa1 Qd5 35.Qb1 Rb8 36.Bc5 Kh7 37.Qd3 Bf6 38.Nd2 Nxd2 39.Qxd2 Qxb3 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.12"]
[Round "9"]
[White "Garcia Conesa, Gregorio"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "0-1"]
[BlackElo "2380"]
[ECO "C96"]
[EventDate "1976.10.03"]
[PlyCount "100"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Nd7 12.Nbd2 cxd4 13.cxd4 Nc6 14.Nf1 exd4 15.Nxd4 
Nxd4 16.Qxd4 Ne5 17.Ne3 Bxh3 18.f4 Nc6 19.Qd1 Bd7 20.Nd5 Bh4 21.Re3 Ne7 
22.Nc3 b4 23.Ne2 Bg4 24.Rd3 Qc7 25.Be3 Rac8 26.Rd2 Bf6 27.Bd3 Qb7 28.Qf1 
Rfe8 29.Qf2 Ng6 30.Rf1 Bh4 31.g3 Bf6 32.Bd4 Bxd4 33.Qxd4 Nf8 34.f5 Nd7 35.
Nf4 Ne5 36.Nd5 f6 37.Kg2 a5 38.b3 Qf7 39.Nf4 Rc3 40.Qxd6 Qb7 41.Qd5+ Qxd5 
42.exd5 Nxd3 43.Nxd3 Re3 44.Nb2 Rxg3+ 45.Kh2 Rh3+ 46.Kg2 Rcg3+ 47.Kf2 Bxf5
48.d6 Rc3 49.Rfd1 h5 50.d7 Bxd7 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.12"]
[Round "9"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Larsen, Bent"]
[Result "0-1"]
[WhiteElo "2345"]
[BlackElo "2625"]
[ECO "D79"]
[EventDate "1976.10.03"]
[PlyCount "86"]

1.g3 d5 2.Bg2 c6 3.Nf3 g6 4.d4 Bg7 5.O-O Nf6 6.c4 O-O 7.cxd5 cxd5 8.Nc3 
Nc6 9.Qb3 e6 10.Rd1 Ne8 11.e3 Nd6 12.Bd2 Bd7 13.Na4 b6 14.Bb4 Nxb4 15.Qxb4
Nc4 16.Nc3 a5 17.Qb3 b5 18.e4 a4 19.Qc2 b4 20.Ne2 Rc8 21.exd5 exd5 22.Nf4 
Ne3 23.Qxc8 Bxc8 24.fxe3 Re8 25.Re1 g5 26.Nd3 Qb6 27.Rac1 Bf5 28.Nde5 g4 
29.Nh4 Be6 30.Nd3 b3 31.axb3 Qxb3 32.Nc5 Qb4 33.Nxe6 fxe6 34.Re2 Bf6 35.h3
Qb8 36.hxg4 Qxg3 37.Nf3 Rf8 38.g5 Bxg5 39.Nxg5 Qxg5 40.Rf1 Rxf1+ 41.Kxf1 
Qf5+ 42.Kg1 Qd3 43.Bf1 Qb1 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.12"]
[Round "9"]
[White "Pomar Salamanca, Arturo"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[WhiteElo "2430"]
[BlackElo "2525"]
[ECO "C08"]
[EventDate "1976.10.03"]
[PlyCount "60"]

1.e4 e6 2.d4 d5 3.Nd2 a6 4.Bd3 c5 5.exd5 exd5 6.dxc5 Bxc5 7.Nb3 Ba7 8.Nf3 
Nf6 9.O-O O-O 10.Bg5 h6 11.Bh4 Nc6 12.h3 Qd6 13.Re1 g5 14.Nxg5 hxg5 15.
Bxg5 Qg3 16.Be3 Qg7 17.Kh2 d4 18.Bf4 Be6 19.Qd2 Bb8 20.Bxb8 Raxb8 21.Nc5 
Bd5 22.f3 Rfd8 23.Qf4 Nd7 24.Ne4 Qe5 25.Qxe5 Ndxe5 26.f4 Nxd3 27.cxd3 Nb4 
28.Nf6+ Kg7 29.Nxd5 Rxd5 30.Red1 Re8 0-1

[Event "4th Costa Brava"]
[Site "Malgrat del Mar ESP"]
[Date "1976.10.12"]
[Round "9"]
[White "Marovic, Drazen"]
[Black "Visier Segovia, Fernando"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2350"]
[ECO "E39"]
[EventDate "1976.10.03"]
[PlyCount "18"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Be3 Qe7 7.Nf3 h6 8.a3 
Bxc5 9.Bxc5 Qxc5 1/2-1/2

