[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.07"]
[Round "1"]
[White "Eslon, Jaan"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1-0"]
[ECO "E90"]
[EventDate "1980.04.07"]
[Annotator "Martin"]
[PlyCount "69"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.Bf4 c5 6.d5 d6 7.e4 a6 8.a4 Qa5 ( 
8...Bg4 $5 ) 9.Nd2 ( 9.Qd2 b5 10.cxb5 axb5 11.Bxb5 Nxe4 $1 12.Nxe4 Qxb5 
13.axb5 Rxa1+ 14.Ke2 Rxh1 ) 9...Nh5 10.Be3 e6 11.Be2 Nf6 12.e5 ( 12.O-O ) 
12...dxe5 13.Nb3 Qd8 14.Bxc5 Re8 15.a5 exd5 16.cxd5 Nbd7 17.Bb4 ( 17.Be3 
$142 ) 17...e4 18.O-O Ne5 19.Bc5 Bg4 20.Bb6 Qd6 21.Nxe4 Nxe4 22.Bxg4 Nxg4 
23.Qxg4 Qxd5 24.Qd1 Qb5 $15 25.f3 Ng5 26.Rc1 Ne6 27.f4 f5 28.Rf2 Re7 29.
Qc2 Rd7 30.h3 Rd3 31.Nc5 Nxc5 32.Bxc5 Rc8 ( 32...Rb3 $5 ) 33.b4 Bd4 $4 34.
Qa2+ Kg7 35.Bxd4+ 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.07"]
[Round "1"]
[White "Gomez Polo, Vicente"]
[Black "Medina Garcia, Antonio Angel"]
[Result "0-1"]
[ECO "D38"]
[EventDate "1980.04.07"]
[PlyCount "156"]

1.c4 e6 2.Nf3 Nf6 3.d4 d5 4.Nc3 Bb4 5.Qa4+ Nc6 6.Bg5 h6 7.Bxf6 Qxf6 8.e3 
O-O 9.Rc1 Rd8 10.a3 Bf8 11.cxd5 exd5 12.Bd3 a6 13.O-O Bg4 14.Nd2 Ne7 15.
Rfe1 c6 16.Bf1 Bf5 17.Qd1 Ng6 18.Na4 a5 19.Qb3 b5 20.Nc5 a4 21.Qd1 Re8 22.
Bd3 Ne7 23.Nb1 Bxd3 24.Nxd3 Nc8 25.Qc2 Ra6 26.Nc3 Nb6 27.Na2 Nc4 28.Nab4 
Ra7 29.Re2 Bxb4 30.Nxb4 Rae7 31.Rce1 Re6 32.Nd3 R6e7 33.Nc5 Qh4 34.Qf5 g6 
35.Qf3 f5 36.Nd3 Qe4 37.Qxe4 fxe4 38.Nb4 Re6 39.Rc2 Rf8 40.Rd1 Ref6 41.Re1
R8f7 42.Rd1 Kf8 43.Na6 Ke7 44.Nc5 Rf8 45.Na6 g5 46.Re1 h5 47.Nb4 g4 48.Na2
h4 49.Nc3 g3 50.Nd1 gxf2+ 51.Nxf2 h3 52.Ng4 Rg6 53.gxh3 Rf3 54.Rg2 Rxh3 
55.Ree2 Ke6 56.Ref2 Rf3 57.h3 Rxh3 58.Rf8 Rh4 59.Ne5 Rxg2+ 60.Kxg2 Nxe3+ 
61.Kg3 Rh1 62.Nxc6 Rc1 63.Nb4 Nf5+ 64.Kg4 Rg1+ 65.Kh3 e3 66.Re8+ Ne7 67.
Nc6 Rg7 68.Nxe7 Rxe7 69.Rxe7+ Kxe7 70.Kg3 Kf6 71.Kf3 Kg5 72.Kxe3 Kg4 73.
Kd3 Kf3 74.b3 axb3 75.Kc3 Ke3 76.Kxb3 Kxd4 77.Kb4 Ke3 78.Kc3 d4+ 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.07"]
[Round "1"]
[White "Martin Gonzalez, Angel"]
[Black "Ochoa de Echaguen Estibalez, Francisco Javier"]
[Result "1/2-1/2"]
[ECO "C03"]
[EventDate "1980.04.07"]
[PlyCount "27"]

1.e4 e6 2.d4 d5 3.Nd2 Ne7 4.Bd3 Ng6 5.Ne2 c5 6.exd5 exd5 7.dxc5 Bxc5 8.Nb3
Bb6 9.Bb5+ Nc6 10.Nf4 Nxf4 11.Bxf4 O-O 12.O-O Qf6 13.Bg3 Qxb2 14.Qxd5 
1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.07"]
[Round "1"]
[White "Rodriguez Vargas, Orestes"]
[Black "Rivas Pastor, Manuel"]
[Result "1-0"]
[ECO "A04"]
[EventDate "1980.04.07"]
[PlyCount "79"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 g6 4.O-O Bg7 5.e4 e6 6.d3 Nge7 7.Nc3 O-O 8.Be3 b6 
9.Qd2 d5 10.exd5 Nxd5 11.Bh6 Bb7 12.Rfe1 Nxc3 13.bxc3 Qf6 14.c4 Rfe8 15.
Rab1 Rab8 16.Bxg7 Kxg7 17.h3 e5 18.Re2 Re7 19.Rbe1 Rbe8 20.h4 h6 21.Re3 
Na5 22.Nh2 Bxg2 23.Kxg2 h5 24.Nf3 e4 25.Ng5 exd3 26.cxd3 Rxe3 27.fxe3 Re7 
28.Rf1 Qe5 29.Rf3 f6 30.Nh3 g5 31.hxg5 fxg5 32.e4 Nxc4 33.dxc4 g4 34.Rf4 
gxh3+ 35.Kxh3 Rf7 36.a4 Qe6+ 37.Kh2 Rd7 38.Qe3 Rd4 39.Rf5 Qg6 40.Rg5 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.07"]
[Round "1"]
[White "Tatai, Stefano"]
[Black "Seirawan, Yasser"]
[Result "0-1"]
[ECO "E15"]
[EventDate "1980.04.07"]
[PlyCount "120"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 c6 8.O-O d5 
9.Qc2 Nbd7 10.Rc1 O-O 11.a4 Rc8 12.Na3 Ne4 13.Be1 f5 14.b4 $5 ( 14.Qb2 {
Fue tablas en Tatai - Parma, Roma 1980.} ) 14...Bb7 15.Qb2 a6 $5 16.c5 b5 
$5 17.Ne5 Bf6 18.f3 Ng5 19.Bd2 Nf7 20.Bf4 Nfxe5 $5 21.dxe5 g5 $1 22.exf6 
gxf4 23.gxf4 Rxf6 24.axb5 axb5 25.Kh1 Rg6 26.Rg1 Rc7 27.e3 Nf8 28.Bh3 Qh4 
$1 29.Rxg6+ Nxg6 30.Qg2 Rg7 31.Rg1 d4 $1 {Las blancas toman la iniciativa}
32.exd4 Qxf4 33.Nc2 Bc8 34.Qg5 $2 ( 34.Qf2 $1 {Igualdad} ) 34...Qxg5 35.
Rxg5 Ra7 $1 36.Rg1 $2 ( 36.d5 $5 cxd5 37.Bf1 Ra2 38.Nd4 {Ofrece mas 
resistencia} ) 36...Ra2 $1 37.Ne1 ( 37.Rc1 Nf4 38.Bf1 Bd7 {Favorece al 
negro} ) 37...Rd2 38.Bf1 Rxd4 {Ganando un peon} 39.Nd3 Kf7 40.Be2 e5 $5 
41.Rxg6 $1 hxg6 42.Nxe5+ Kf6 43.Nxc6 Rd2 44.Bxb5 f4 $5 45.Bf1 $5 Bb7 46.
Bb5 g5 47.Kg1 Rb2 48.Ba4 $2 ( 48.h3 $1 Bxc6 49.Bxc6 Rxb4 50.Be4 Rc4 51.c6 
{Conduce a unas tablas posicionales (Tatai)} ) 48...Ba6 49.Nb8 Rxb4 $1 50.
Nxa6 Rxa4 51.Nb8 Ra8 52.Nd7+ Ke6 53.c6 Rc8 54.Nc5+ Kf5 55.Nb3 Ke5 56.Na5 
Ra8 57.Nc4+ Kd4 58.Nd6 Ke3 $1 59.c7 Kxf3 60.h3 Ke2 $1 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.08"]
[Round "2"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Martin Gonzalez, Angel"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1980.04.07"]
[PlyCount "120"]

1.Nc3 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nxc6 bxc6 6.Qd4 Nf6 7.Ne4 Bg7 8.
Bg5 O-O 9.Nxf6+ exf6 10.Bd2 f5 11.Qb4 d5 12.Bc3 d4 13.Bd2 Be6 14.Qa4 Qb8 
15.b3 Re8 16.O-O-O c5 17.e3 c4 18.exd4 cxb3 19.axb3 Bxb3 20.Ba6 Bxd4 21.
Qb4 Ba2 22.Bb7 Bc5 23.Qb2 Bf8 24.Rde1 Rd8 25.Re3 Bg7 26.c3 f4 27.Re4 Bd5 
28.Bxd5 Qxb2+ 29.Kxb2 Rxd5 30.Bxf4 Rc8 31.Rc1 Rb5+ 32.Ka2 Bxc3 33.Ra4 Rb2+
34.Ka3 Rb6 35.Ka2 Rb2+ 36.Ka3 Rb5 37.Ka2 a5 38.Rc2 Rbc5 39.Bh6 Bg7 40.Rxc5
Rxc5 41.Be3 Rb5 42.Rc4 h5 43.Rc8+ Kh7 44.Ka3 g5 45.Ka4 Rd5 46.Kb3 Kg6 47.
Kc4 Rf5 48.h3 Bf6 49.Rg8+ Kh7 50.Ra8 Kg7 51.f3 Re5 52.Kd3 Rb5 53.g4 Rb3+ 
54.Ke4 hxg4 55.hxg4 Ra3 56.Bc5 Ra4+ 57.Kd3 Ra1 58.Bf8+ Kh7 59.Ra6 Bg7 60.
Bxg7 Kxg7 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.08"]
[Round "2"]
[White "Medina Garcia, Antonio Angel"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1980.04.07"]
[PlyCount "22"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6 6.O-O Bg7 7.Nf3 d6 8.Nc3 Nf6
9.Bf4 b5 10.a4 b4 11.Na2 Nc6 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.08"]
[Round "2"]
[White "Ochoa de Echaguen Estibalez, Francisco Javier"]
[Black "Gomez Polo, Vicente"]
[Result "1-0"]
[ECO "B27"]
[EventDate "1980.04.07"]
[PlyCount "61"]

1.e4 c5 2.Nf3 b6 3.d4 cxd4 4.Nxd4 Bb7 5.Nc3 Nc6 6.Be3 Nf6 7.f3 e6 8.g4 d6 
9.Bb5 Qc7 10.Qe2 O-O-O 11.Bxc6 Bxc6 12.a4 d5 13.Ncb5 Bxb5 14.Nxb5 Qb7 15.
a5 Bc5 16.axb6 Bxe3 17.Nxa7+ Kd7 18.Qxe3 Rb8 19.Nb5 Qxb6 20.Ra7+ Kc8 21.
Qc3+ Kd8 22.Qa3 Nd7 23.Qa5 Qxa5+ 24.Rxa5 dxe4 25.fxe4 Ne5 26.Nd4 Rxb2 27.
O-O Nd7 28.Rxf7 Nb6 29.Raa7 Nc8 30.Rad7+ Ke8 31.Nxe6 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.08"]
[Round "2"]
[White "Rivas Pastor, Manuel"]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1980.04.07"]
[PlyCount "84"]

1.Nf3 Nf6 2.b3 b6 3.c4 Bb7 4.Bb2 c5 5.g3 g6 6.Bg2 Bg7 7.O-O O-O 8.Nc3 Na6 
9.e3 e6 10.d3 d5 11.Qe2 Qe7 12.Rfd1 Rfd8 13.Rac1 Rac8 14.Nb5 Ba8 15.a3 Nb8
16.Ne5 Nc6 17.Nxc6 Bxc6 18.Nc3 dxc4 19.dxc4 Bxg2 20.Kxg2 h5 21.Nb1 Ng4 22.
Bxg7 Kxg7 23.Nd2 Rc7 24.Nf3 Rcd7 25.h3 Nh6 26.Rxd7 Qxd7 27.Qb2+ f6 28.Rc2 
Qc6 29.Re2 g5 30.e4 g4 31.hxg4 hxg4 32.Nh2 Rd4 33.Qc2 f5 34.Kg1 Rxe4 35.
Rxe4 Qxe4 36.Qxe4 fxe4 37.Kf1 Kf6 38.Ke2 Ke5 39.Kd2 Kd4 40.Nf1 Nf5 41.Ne3 
Nxe3 42.fxe3+ Ke5 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.08"]
[Round "2"]
[White "Seirawan, Yasser"]
[Black "Eslon, Jaan"]
[Result "1-0"]
[ECO "A28"]
[EventDate "1980.04.07"]
[PlyCount "83"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.e3 d5 5.cxd5 Nxd5 6.Bb5 Nxc3 7.bxc3 Bd7 8.d4
Bd6 9.O-O O-O 10.c4 exd4 11.exd4 Bg4 12.Be3 Be7 13.Bxc6 bxc6 14.h3 Bh5 15.
g4 Bg6 16.Ne5 Bf6 17.Qf3 Bxe5 18.dxe5 Qe7 19.Bd4 c5 20.Bc3 Qe6 21.Rfd1 
Qxc4 22.Rd7 Rad8 23.Rad1 Rxd7 24.Rxd7 Qxa2 25.Kh2 h6 26.Re7 c6 27.e6 Qd5 
28.Qf4 a5 29.f3 a4 30.h4 h5 31.exf7+ Rxf7 32.Re8+ Kh7 33.Qb8 Bc2 34.Rh8+ 
Kg6 35.Qg3 Re7 36.gxh5+ Kf7 37.Qxg7+ Ke6 38.Qg8+ Rf7 39.Qe8+ Kf5 40.Qe3 
Qd6+ 41.Kg2 Qe7 42.Qh6 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.09"]
[Round "3"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Seirawan, Yasser"]
[Result "1/2-1/2"]
[ECO "B10"]
[EventDate "1980.04.07"]
[PlyCount "50"]

1.e4 c6 2.d3 d5 3.Nd2 e5 4.Ngf3 Nd7 5.g3 Ngf6 6.Bg2 Bc5 7.c3 O-O 8.O-O Bb6
9.b4 Re8 10.Bb2 Nf8 11.c4 Ng6 12.Qc2 d4 13.c5 Bc7 14.a4 h5 15.h4 Nf8 16.
Nc4 Ng4 17.b5 Ne6 18.Ba3 f6 19.Qb3 Kh7 20.Rfc1 Bd7 21.b6 Bb8 22.bxa7 Rxa7 
23.Nb6 Nf8 24.Nxd7 Qxd7 25.Bb4 Bc7 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.09"]
[Round "3"]
[White "Eslon, Jaan"]
[Black "Rivas Pastor, Manuel"]
[Result "0-1"]
[ECO "B08"]
[EventDate "1980.04.07"]
[PlyCount "83"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Nc3 Nf6 5.Be2 O-O 6.O-O c6 7.h3 Nbd7 8.Re1 e5 
9.Bf1 Re8 10.g3 a5 11.a4 exd4 12.Nxd4 Nc5 13.Bg2 Qb6 14.Rb1 Ncxe4 15.Bxe4 
d5 16.Be3 dxe4 17.Ne6 c5 18.Nxg7 Kxg7 19.Nd5 Nxd5 20.Qxd5 Bxh3 21.Bxc5 Qe6
22.Bd4+ Kg8 23.Qg5 Rad8 24.c3 Rd5 25.Qh6 f6 26.f3 Qd7 27.Re3 Rg5 28.Kf2 
Rh5 29.Qf4 Rf5 30.Qh4 Bg4 31.f4 h5 32.Rbe1 g5 33.Qh2 Qd5 34.Qh1 gxf4 35.
Rxe4 fxg3+ 36.Kxg3 Rxe4 37.Qxe4 Qd6+ 38.Kg2 Bf3+ 39.Qxf3 Rxf3 40.Kxf3 Qc6+
41.Ke3 Qxa4 42.Bxf6 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.09"]
[Round "3"]
[White "Gomez Polo, Vicente"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[ECO "D11"]
[EventDate "1980.04.07"]
[PlyCount "63"]

1.Nf3 c6 2.d4 d5 3.c4 dxc4 4.e3 Nd7 5.Bxc4 Nb6 6.Bb3 Bf5 7.Nc3 Nf6 8.O-O 
e6 9.Nh4 Bg4 10.f3 Bf5 11.g4 Bg6 12.Nxg6 hxg6 13.e4 Qc7 14.Qe2 O-O-O 15.
Be3 Kb8 16.a4 e5 17.dxe5 Nfd7 18.a5 Nc8 19.Rfd1 Bc5 20.Bxf7 Bxe3+ 21.Qxe3 
Nxe5 22.Be6 Rh3 23.Rxd8 Qxd8 24.Rf1 Qd6 25.Bxc8 Nxg4 26.e5 Kxc8 27.fxg4 
Rxe3 28.exd6 Re5 29.Rf7 Rxa5 30.Rc7+ Kb8 31.Rxg7 Kc8 32.Ne4 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.09"]
[Round "3"]
[White "Rodriguez Vargas, Orestes"]
[Black "Ochoa de Echaguen Estibalez, Francisco Javier"]
[Result "1-0"]
[ECO "B12"]
[EventDate "1980.04.07"]
[PlyCount "103"]

1.Nf3 g6 2.d4 Bg7 3.e4 c6 4.c3 d5 5.Nbd2 Nh6 6.Bd3 O-O 7.O-O Nd7 8.Re1 Re8
9.a4 Nf8 10.Qb3 f6 11.exd5 cxd5 12.Bb5 Nd7 13.Qxd5+ Kh8 14.Ne4 Ne5 15.Qxd8
Nxf3+ 16.gxf3 Rxd8 17.Ng3 e5 18.dxe5 fxe5 19.Bxh6 Bxh6 20.Rxe5 Bh3 21.Rae1
a6 22.Bc4 Bd7 23.a5 Bc6 24.Ne4 Re8 25.Nd6 Rxe5 26.Nf7+ Kg7 27.Nxe5 Bb5 28.
Bxb5 axb5 29.Ng4 Rxa5 30.Re7+ Kf8 31.Rxb7 Bc1 32.b4 Ra1 33.Rxb5 Bd2+ 34.
Kg2 Bxc3 35.Rb8+ Kf7 36.Rb7+ Ke6 37.Rxh7 Bxb4 38.Rg7 Bc3 39.Rxg6+ Kf7 40.
Rc6 Bd4 41.f4 Ra2 42.h4 Ra8 43.Kf3 Re8 44.h5 Kg7 45.Rd6 Bc3 46.f5 Rf8 47.
Kf4 Bb2 48.f6+ Kh8 49.Kf5 Bc3 50.f4 Kh7 51.Rd7+ Kh8 52.Ne5 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.09"]
[Round "3"]
[White "Tatai, Stefano"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[ECO "D56"]
[EventDate "1980.04.07"]
[PlyCount "99"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 h6 6.Bh4 O-O 7.Nf3 Ne4 8.Bxe7 
Qxe7 9.Qc2 Nxc3 10.Qxc3 dxc4 11.Qxc4 c6 12.Bd3 Nd7 13.Bc2 e5 14.Qd3 g6 15.
O-O exd4 16.exd4 Nb6 17.Rfe1 Qf6 18.Bb3 Kg7 19.Re3 Bf5 20.Qd2 Rfd8 21.Qb4 
Qd6 22.Qc3 Nd5 23.Bxd5 cxd5 24.Nh4 Bd7 25.Rae1 Re8 26.Rxe8 Rxe8 27.Rxe8 
Bxe8 28.Nf3 Bd7 29.Ne5 f6 30.Nf3 b6 31.h3 g5 32.Nh2 Qc6 33.Qd3 h5 34.Nf1 
h4 35.Ne3 Be6 36.Nd1 Bd7 37.Nc3 Qe6 38.Qd1 Qf5 39.Qe2 Kf8 40.Qd2 a5 41.a3 
Bc6 42.Nd1 Ke7 43.Ne3 Qb1+ 44.Kh2 Kd6 45.b4 axb4 46.axb4 Bd7 47.Qc3 Qa2 
48.Kg1 Qb1+ 49.Kh2 Qa2 50.Nd1 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.10"]
[Round "4"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[ECO "A01"]
[EventDate "1980.04.07"]
[PlyCount "42"]

1.b3 e6 2.Bb2 Nf6 3.e3 b6 4.Be2 Bb7 5.Bf3 d5 6.d3 Nbd7 7.c4 Bd6 8.Nd2 O-O 
9.cxd5 exd5 10.d4 Qe7 11.Ne2 a5 12.a3 Rae8 13.Nc4 Ne4 14.Nxd6 cxd6 15.O-O 
Ndf6 16.Rc1 Rc8 17.Qd3 Qd7 18.a4 Rxc1 19.Rxc1 Rc8 20.Nc3 Nxc3 21.Rxc3 Ne4 
1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.10"]
[Round "4"]
[White "Martin Gonzalez, Angel"]
[Black "Gomez Polo, Vicente"]
[Result "1-0"]
[ECO "B12"]
[EventDate "1980.04.07"]
[PlyCount "65"]

1.e4 c6 2.d4 Nf6 3.e5 Nd5 4.c4 Nc7 5.Nc3 d6 6.f4 dxe5 7.fxe5 g6 8.Nf3 Bg4 
9.Be3 Bg7 10.h3 Bxf3 11.Qxf3 O-O 12.O-O-O Qc8 13.Ne4 Nd7 14.h4 c5 15.Nxc5 
Nxc5 16.dxc5 Bxe5 17.Bd3 Ne6 18.h5 Nxc5 19.Bc2 Na4 20.Bd4 Bxd4 21.Rxd4 Nb6
22.Qf4 Qc5 23.hxg6 fxg6 24.Qh4 Qh5 25.Qxh5 gxh5 26.c5 e5 27.Rdd1 Nc4 28.
Bb3 Rf4 29.g3 Rg4 30.Rh4 Rxg3 31.Bxc4+ Kf8 32.Rxh5 Rc8 33.Rxh7 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.10"]
[Round "4"]
[White "Medina Garcia, Antonio Angel"]
[Black "Eslon, Jaan"]
[Result "1/2-1/2"]
[ECO "B92"]
[EventDate "1980.04.07"]
[PlyCount "82"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Nbd7 7.Be2 e5 8.Nf5 
Nc5 9.Ng3 Bd7 10.O-O Be7 11.Kh1 O-O 12.fxe5 dxe5 13.Bg5 Ne6 14.Be3 Bc6 15.
Bc4 Qxd1 16.Raxd1 Bc5 17.Bg1 Bxg1 18.Kxg1 Nd4 19.Rd2 Rad8 20.Rfd1 Rd7 21.
Nd5 Bxd5 22.Bxd5 Rfd8 23.c3 Ne6 24.Nf1 Nc5 25.b4 Nxd5 26.exd5 Ne4 27.Rd3 
b5 28.Ne3 Nd6 29.g4 f6 30.a4 g6 31.axb5 axb5 32.Ra1 Rc8 33.Nd1 Kf7 34.Ra6 
Nc4 35.Rf3 Nd6 36.Ra3 Ke7 37.Rh3 Kd8 38.Rf3 Rcc7 39.Rxf6 Ne4 40.Ra8+ Ke7 
41.Re6+ Kf7 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.10"]
[Round "4"]
[White "Ochoa de Echaguen Estibalez, Francisco Javier"]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[ECO "C63"]
[EventDate "1980.04.07"]
[PlyCount "83"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Bxc6 dxc6 5.Nc3 fxe4 6.Nxe4 Nf6 7.Qe2 Bg4 8.
h3 Bxf3 9.Qxf3 Qd5 10.d3 Bb4+ 11.c3 Be7 12.Nxf6+ gxf6 13.Qh5+ Qf7 14.Qxf7+
Kxf7 15.Be3 h5 16.Ke2 Rag8 17.Rag1 Rg6 18.d4 exd4 19.Bxd4 Rhg8 20.g3 Bd6 
21.Rg2 f5 22.Rhg1 c5 23.Be3 f4 24.Bd2 fxg3 25.fxg3 Bxg3 26.Rf1+ Ke6 27.
Rfg1 Kf5 28.Rf1+ Ke4 29.Kd1 h4 30.c4 Ke5 31.Re2+ Kd6 32.Re4 Re6 33.Rxe6+ 
Kxe6 34.Bc3 Bd6 35.Rf6+ Kd7 36.Rf7+ Ke8 37.Rg7 Rf8 38.Ke2 Rf4 39.b3 Be7 
40.Bd2 Rd4 41.Bc3 Rd6 42.Rh7 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.10"]
[Round "4"]
[White "Rivas Pastor, Manuel"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "A46"]
[EventDate "1980.04.07"]
[PlyCount "85"]

1.d4 Nf6 2.Nf3 b5 $5 3.Bg5 Ne4 4.Bh4 Bb7 5.Nbd2 Qc8 6.e3 a6 7.Nxe4 Bxe4 8.
Bd3 Qb7 9.Bxe4 Qxe4 10.Qd3 Qxd3 11.cxd3 e6 12.Ke2 Nc6 13.Rhc1 Bd6 14.Nd2 
f5 15.Nb3 h6 16.Bg3 Ke7 17.Bxd6+ cxd6 18.h4 a5 19.a3 a4 20.Nd2 Rhb8 21.g3 
Rb7 22.Rc3 b4 23.axb4 Rxb4 24.Rca3 Rxb2 25.Rxa4 Rxa4 26.Rxa4 Nb4 27.Ra3 
Nc6 28.Kd1 g5 29.hxg5 hxg5 30.Ra8 g4 31.Kc1 Rb7 32.Nc4 Nb4 33.Kd2 d5 34.
Re8+ $1 Kf6 35.Nd6 Rb6 36.Rf8+ Kg6 37.Ne8 Rc6 38.Rf6+ Kg5 39.Rf7 Rc2+ 40.
Kd1 Rxf2 41.Rxd7 Nxd3 42.Rg7+ Kh6 43.Re7 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.11"]
[Round "5"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[ECO "D37"]
[EventDate "1980.04.07"]
[PlyCount "55"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 
Nc6 9.a3 Qa5 10.Rd1 Be7 11.Bd3 e5 12.cxd5 exf4 13.dxc6 fxe3 14.O-O exf2+ 
15.Kh1 bxc6 16.Rxf2 Qh5 17.Re2 Be6 18.Ne4 Rad8 19.Neg5 Bd6 20.Nxe6 fxe6 
21.Qxc6 Kh8 22.Bg6 Qxg6 23.Rxd6 Rc8 24.Qa4 Nd5 25.Rdxe6 Qb1+ 26.Re1 Qxb2 
27.R6e2 Rc1 28.Rxb2 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.11"]
[Round "5"]
[White "Eslon, Jaan"]
[Black "Ochoa de Echaguen Estibalez, Francisco Javier"]
[Result "1-0"]
[ECO "B38"]
[EventDate "1980.04.07"]
[PlyCount "105"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.d4 d6 6.Be2 c5 7.O-O cxd4 8.Nxd4 
Nc6 9.Be3 Bd7 10.Rc1 Nxd4 11.Bxd4 Bc6 12.f3 Nd7 13.Be3 a5 14.Qd2 a4 15.Rc2
Nc5 16.Nd5 Re8 17.Rb1 Bxd5 18.cxd5 Qa5 19.Qxa5 Rxa5 20.Kf1 b6 21.Bd2 Ra7 
22.Bb5 Rea8 23.Ke2 h5 24.Rc4 Rb8 25.Rb4 Kh7 26.Be3 Ra5 27.Rc1 Kg8 28.Rc2 
Kh7 29.Bc6 Kg8 30.Kd2 Kh7 31.Ke2 Kg8 32.Bd2 Ra7 33.Rb5 Kh7 34.Be3 Ra5 35.
Bxc5 Rxb5 36.Bxd6 Rc8 37.Bxe7 Rxb2 38.Rxb2 Bxb2 39.Bxa4 Ra8 40.Bb3 Kg7 41.
f4 Re8 42.d6 Bf6 43.Bxf6+ Kxf6 44.e5+ Kg7 45.Kd3 Rc8 46.g4 Kf8 47.f5 gxf5 
48.gxf5 Rc5 49.Ke4 Ra5 50.e6 f6 51.e7+ Ke8 52.Bd1 Re5+ 53.Kf4 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.11"]
[Round "5"]
[White "Rodriguez Vargas, Orestes"]
[Black "Martin Gonzalez, Angel"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1980.04.07"]
[PlyCount "41"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 b6 4.g3 Bb7 5.Bg2 g6 6.O-O Bg7 7.b3 O-O 8.Bb2 Na6 
9.d4 cxd4 10.Qxd4 Nc5 11.Qd2 d5 12.Nxd5 Nxd5 13.Bxg7 Kxg7 14.cxd5 Qxd5 15.
Qxd5 Bxd5 16.Rfd1 Rfd8 17.Rac1 Rd6 18.Ne5 Bxg2 19.Kxg2 Rad8 20.Rxd6 Rxd6 
21.Nc4 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.11"]
[Round "5"]
[White "Seirawan, Yasser"]
[Black "Rivas Pastor, Manuel"]
[Result "1-0"]
[ECO "D94"]
[EventDate "1980.04.07"]
[PlyCount "39"]

1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3 g6 5.d4 Bg7 6.Bd3 O-O 7.O-O Nbd7 8.b3 b6 
9.cxd5 cxd5 10.Ba3 Bb7 11.Qe2 Rc8 12.Rac1 Ne4 13.Nb5 a6 14.Na7 Rxc1 15.
Rxc1 Nb8 16.Qc2 Qd7 17.Qc7 Ba8 18.Nc8 Bf6 19.Qxb8 Bc6 20.Bxa6 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.11"]
[Round "5"]
[White "Tatai, Stefano"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[ECO "D06"]
[EventDate "1980.04.07"]
[PlyCount "71"]

1.d4 d5 2.c4 Bf5 3.cxd5 Bxb1 4.Qa4+ c6 5.dxc6 Nxc6 6.Rxb1 e5 7.Bd2 exd4 8.
g3 Qd5 9.Nf3 b5 10.Qb3 Qxb3 11.axb3 Rd8 12.Rc1 Nge7 13.Bg2 g6 14.Ng5 h6 
15.Rxc6 hxg5 16.Bxg5 Rh5 17.Bf6 Bg7 18.Bxg7 Nxc6 19.Bxc6+ Ke7 20.Bf3 Rc5 
21.Bh6 Rc2 22.O-O Rxb2 23.Ra1 Rxb3 24.Bg5+ f6 25.Rxa7+ Rd7 26.Bxf6+ Kd6 
27.Rxd7+ Kxd7 28.Bxd4 g5 29.Bf6 b4 30.Bxg5 Rb1+ 31.Kg2 b3 32.Bf6 Ke6 33.
Bh8 Rd1 34.e3 Rd8 35.Bb2 Kf5 36.g4+ 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.13"]
[Round "6"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Eslon, Jaan"]
[Result "1/2-1/2"]
[ECO "C11"]
[EventDate "1980.04.07"]
[PlyCount "128"]

1.Nc3 Nf6 2.d4 d5 3.Bg5 e6 4.e4 dxe4 5.Nxe4 Be7 6.Bxf6 Bxf6 7.Nf3 Nd7 8.
Qd2 O-O 9.O-O-O b6 10.d5 Nc5 11.Nxc5 bxc5 12.Bc4 Rb8 13.c3 e5 14.Qe3 Qd6 
15.Nd2 Qb6 16.Nb3 Be7 17.Qxe5 Bd6 18.Qe4 Bd7 19.Qc2 a5 20.Bd3 Kh8 21.Rhe1 
Qb7 22.Kb1 a4 23.Na5 Qxd5 24.Bxh7 Qxg2 25.Be4 Qg5 26.Rg1 Qf4 27.Qe2 g6 28.
Rd3 Rbe8 29.Re3 Kg7 30.Qc2 Rxe4 31.Rxe4 Qxh2 32.Ree1 Re8 33.Ka1 Rxe1+ 34.
Rxe1 Bf5 35.Qe2 Be6 36.Nc6 a3 37.bxa3 Qh4 38.Kb2 Qa4 39.Qe4 Qxe4 40.Rxe4 
Bd5 41.Re1 Bxc6 42.a4 f5 43.a5 g5 44.Kc2 g4 45.Kd3 f4 46.c4 g3 47.Ke2 Bb7 
48.Kf1 Kf7 49.a4 Kf6 50.Re8 Ba6 51.f3 Bxc4+ 52.Kg2 Bd5 53.a6 c4 54.a7 c3 
55.Re1 Bc5 56.Rd1 Ba8 57.Rd3 Bxa7 58.Rxc3 Bb6 59.a5 Be3 60.Rxc7 Ke6 61.a6 
Kd6 62.Rf7 Bd5 63.a7 Ke5 64.Rd7 Bc6 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.13"]
[Round "6"]
[White "Gomez Polo, Vicente"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]
[ECO "B40"]
[EventDate "1980.04.07"]
[PlyCount "82"]

1.e4 c5 2.Nf3 e6 3.Qe2 Nc6 4.g3 g6 5.Bg2 Bg7 6.d3 Nge7 7.h4 h6 8.c3 b6 9.
Nbd2 d5 10.O-O Ba6 11.e5 Qc7 12.Re1 g5 13.hxg5 hxg5 14.Nxg5 Qxe5 15.Nde4 
dxe4 16.Bf4 Qf6 17.Nxe4 Qg6 18.Nd6+ Kd7 19.Nc4 Qh5 20.g4 Qg6 21.Rad1 Rh4 
22.Ne3 Rah8 23.Bg3 Qh7 24.f4 Kc8 25.Qf3 Bb7 26.Nc4 Rd8 27.f5 Nxf5 28.gxf5 
Na5 29.Qe3 Rh1+ 30.Kf2 Qxf5+ 31.Qf4 Qxf4+ 32.Bxf4 Bxg2 33.Rxh1 Bxh1 34.
Rxh1 Nxc4 35.dxc4 e5 36.Rh7 exf4 37.Rxg7 Rd2+ 38.Kf3 Rxb2 39.Kxf4 Rxa2 40.
Ke5 Rf2 41.Kd6 Kb7 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.13"]
[Round "6"]
[White "Martin Gonzalez, Angel"]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[ECO "B35"]
[EventDate "1980.04.07"]
[PlyCount "48"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Be3 Bg7 6.Nc3 Nf6 7.Bc4 O-O 8.Bb3 
a5 9.a4 Ng4 10.Qxg4 Nxd4 11.Qd1 Nxb3 12.cxb3 d6 13.Bd4 Bg4 14.Qd3 Bxd4 15.
Qxd4 e5 16.Qd3 Be6 17.Nd5 Rc8 18.O-O Rc5 19.Rac1 Bxd5 20.Rxc5 Bxe4 21.Qxe4
dxc5 22.Qxe5 Qd4 23.Qxd4 cxd4 24.Rd1 Rc8 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.13"]
[Round "6"]
[White "Medina Garcia, Antonio Angel"]
[Black "Seirawan, Yasser"]
[Result "0-1"]
[ECO "B24"]
[EventDate "1980.04.07"]
[PlyCount "84"]

1.e4 g6 2.Nc3 Bg7 3.g3 c5 4.Bg2 Nc6 5.d3 Rb8 6.Be3 b5 7.Qd2 b4 8.Nd1 Qa5 
9.Ne2 Nd4 10.O-O d6 11.f4 e6 12.Nc1 Ne7 13.c3 bxc3 14.bxc3 O-O 15.g4 Ndc6 
16.f5 f6 17.Ne2 Ne5 18.fxe6 Bxe6 19.h3 Kh8 20.Nf4 Bf7 21.Bf2 Qa3 22.Bg3 
Rb6 23.Nd5 Nxd5 24.exd5 Re8 25.Re1 f5 26.Rf1 Rb7 27.gxf5 gxf5 28.Rxf5 Bg6 
29.Rf1 Bxd3 30.Bxe5 Bxf1 31.Bxg7+ Rxg7 32.Kxf1 Qa6+ 33.Kf2 Re2+ 34.Qxe2 
Rxg2+ 35.Kxg2 Qxe2+ 36.Nf2 Qc4 37.Rd1 Qxc3 38.Rd3 Qe5 39.Kf3 c4 40.Rd1 c3 
41.Rc1 Qxd5+ 42.Ne4 Qd3+ 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.13"]
[Round "6"]
[White "Ochoa de Echaguen Estibalez, Francisco Javier"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1-0"]
[ECO "B27"]
[EventDate "1980.04.07"]
[PlyCount "121"]

1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.dxc5 Qa5+ 5.Nc3 Nf6 6.Nd2 Qxc5 7.Nc4 Qc6 8.Bd3
O-O 9.Ne3 d6 10.O-O Qc5 11.Ned5 Nxd5 12.Nxd5 Re8 13.Bg5 Kf8 14.b4 Qc6 15.
b5 Qd7 16.f4 Qd8 17.f5 Nd7 18.Rb1 Nf6 19.fxg6 hxg6 20.Qf3 Be6 21.Nxe7 Qxe7
22.a4 Rac8 23.a5 Rc5 24.Bxf6 Bxf6 25.Qxf6 Qxf6 26.Rxf6 Rec8 27.Rff1 Ke7 
28.Kf2 Kf6 29.Ke3+ Ke5 30.h4 Rc3 31.g3 f6 32.Kd2 Bh3 33.Rg1 Be6 34.Ra1 
R3c5 35.Rh1 Bc4 36.a6 bxa6 37.bxa6 d5 38.exd5 Rxd5 39.Rac1 Bxa6 40.Rhe1+ 
Kd6 41.Re3 Rcc5 42.Re8 Bxd3 43.Rd8+ Ke5 44.Rxd5+ Rxd5 45.cxd3 Rd4 46.Ke3 
Rg4 47.Kf3 Rd4 48.Ke3 Rg4 49.Kf3 Rd4 50.Rc3 Rd5 51.Rb3 Ra5 52.Rb7 Ra4 53.
Re7+ Kd6 54.Rg7 Rd4 55.Rxg6 Ke5 56.Ke3 Rd8 57.g4 Re8 58.d4+ Ke6 59.Ke4 Ke7
60.h5 Ra8 61.Rg7+ 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.14"]
[Round "7"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "0-1"]
[ECO "B10"]
[EventDate "1980.04.07"]
[PlyCount "62"]

1.e4 c6 2.d3 d5 3.Nd2 g6 4.Ngf3 Bg7 5.c3 Nh6 6.d4 O-O 7.Bd3 f6 8.O-O Nf7 
9.Re1 e5 10.dxe5 fxe5 11.Qc2 Nd7 12.b4 a5 13.Bb2 Nf6 14.a3 Bg4 15.exd5 
Nxd5 16.c4 Nf4 17.Bf1 Bf5 18.Qb3 a4 19.Qc3 Ne6 20.Ne4 Bxe4 21.Rxe4 Nd6 22.
Rxe5 Nf7 23.c5 Nxe5 24.Nxe5 Rf5 25.Bc4 Bxe5 26.Bxe6+ Kg7 27.Qc2 Bxb2 28.
Rb1 Rxf2 29.Kxf2 Qf6+ 30.Kg1 Bd4+ 31.Kh1 Qxe6 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.14"]
[Round "7"]
[White "Eslon, Jaan"]
[Black "Martin Gonzalez, Angel"]
[Result "1-0"]
[ECO "E71"]
[EventDate "1980.04.07"]
[PlyCount "57"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 O-O 6.Bg5 c5 7.d5 h6 8.Be3 e6 9.
Qd2 exd5 10.exd5 Re8 11.Bd3 Kh7 12.Nf3 b5 13.Nxb5 Ne4 14.Bxe4 Rxe4 15.Rc1 
a6 16.Na3 f5 17.O-O Qf6 18.Qa5 Qxb2 19.Rb1 Qf6 20.Qc7 f4 21.Qxc8 fxe3 22.
fxe3 Rxe3 23.Nc2 Re2 24.Nfd4 Rxg2+ 25.Kxg2 Qg5+ 26.Qg4 Qxg4+ 27.hxg4 cxd4 
28.Rb7 d3 29.Nd4 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.14"]
[Round "7"]
[White "Rivas Pastor, Manuel"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[ECO "E91"]
[EventDate "1980.04.07"]
[PlyCount "82"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 Bg4 7.O-O Nfd7 8.Be3 e5
9.d5 a5 10.a3 f5 11.b4 f4 12.Bd2 axb4 13.axb4 Rxa1 14.Qxa1 Na6 15.Qb1 g5 
16.h3 Bxf3 17.Bxf3 Nf6 18.g4 Qd7 19.Be2 h5 20.f3 Kh7 21.Kg2 Rh8 22.Qb3 Kg6
23.Qa4 hxg4 24.hxg4 Qc8 25.Nb5 Bf8 26.Rh1 Rxh1 27.Kxh1 Be7 28.Kg2 Nd7 29.
Qa1 Qb8 30.Na3 Qa7 31.c5 Nab8 32.Bc3 dxc5 33.bxc5 Bxc5 34.Nb5 Qxa1 35.Bxa1
Na6 36.Bc4 Kf6 37.Bc3 c6 38.dxc6 bxc6 39.Na7 Bxa7 40.Bxa6 Nc5 41.Bc4 Ne6 
1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.14"]
[Round "7"]
[White "Seirawan, Yasser"]
[Black "Ochoa de Echaguen Estibalez, Francisco Javier"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1980.04.07"]
[PlyCount "124"]

1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.Nc3 Nc6 5.a3 e5 6.b4 d6 7.Rb1 Nge7 8.d3 O-O 9.
e3 Rb8 10.Nge2 Be6 11.O-O b6 12.Nd5 cxb4 13.axb4 b5 14.Bd2 a6 15.Qc2 Bf5 
16.e4 Bg4 17.f3 Bc8 18.Qa2 Kh8 19.Kh1 f5 20.Qa3 h6 21.Be3 fxe4 22.fxe4 
Rxf1+ 23.Bxf1 bxc4 24.dxc4 Nxd5 25.cxd5 Nd4 26.Nxd4 exd4 27.Bd2 Qe7 28.Bg2
Bb7 29.Bf4 Rd8 30.Qd3 Rc8 31.Bd2 g5 32.Bh3 Rc7 33.Kg1 Qe8 34.Rf1 Qa4 35.
Bg4 Qc2 36.Be2 Bc8 37.Rc1 Qxc1+ 38.Bxc1 Rxc1+ 39.Kf2 Rc3 40.Qd1 Re3 41.Qa4
Rxe4 42.Qc6 Bf5 43.Bd3 Re5 44.Bxf5 Rxf5+ 45.Ke2 g4 46.Qxd6 Rf3 47.Qd8+ Rf8
48.Qd7 h5 49.h3 Rb8 50.hxg4 Rxb4 51.Qc8+ Kh7 52.Qc2+ Kh8 53.gxh5 Rb2 54.
Qxb2 d3+ 55.Kxd3 Bxb2 56.Ke4 Kg7 57.Kf5 Bc1 58.g4 Kh6 59.Ke6 Kg5 60.Ke7 
Bf4 61.Ke6 Bb8 62.Ke7 Bf4 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.14"]
[Round "7"]
[White "Tatai, Stefano"]
[Black "Gomez Polo, Vicente"]
[Result "1-0"]
[ECO "D58"]
[EventDate "1980.04.07"]
[PlyCount "69"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6 8.Qb3 Bb7 
9.Bxf6 Bxf6 10.cxd5 exd5 11.Rd1 Re8 12.Bd3 c6 13.O-O Nd7 14.Rfe1 Nf8 15.e4
dxe4 16.Nxe4 Ne6 17.Bc4 Qe7 18.Ne5 c5 19.Nxf7 Nxd4 20.Ne5+ Kh7 21.Ng5+ 
Bxg5 22.Qd3+ g6 23.Qxg6+ Kh8 24.Nf7+ Qxf7 25.Qxf7 Be4 26.f4 Rf8 27.Rxe4 
Rxf7 28.Bxf7 Bf6 29.g3 Nf5 30.Rd5 Bd4+ 31.Kh1 Ne3 32.Rd7 Nd1 33.Bd5 Nf2+ 
34.Kg2 Nxe4 35.Bxa8 {Schach Echo 1980, 169} 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.15"]
[Round "8"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Seirawan, Yasser"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1980.04.07"]
[PlyCount "80"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.g3 Nc6 5.Be3 Nf6 6.h3 e5 7.dxe5 Nxe5 8.f4 Ned7
9.Bg2 O-O 10.Nge2 Nb6 11.Qd3 Bd7 12.g4 Bc6 13.O-O-O Qe7 14.Bd4 Rae8 15.Ng3
Nfd7 16.Bxg7 Kxg7 17.Nce2 Nc5 18.Qc3+ Qf6 19.Rd4 Kg8 20.g5 Qg7 21.h4 Ne6 
22.h5 Nxd4 23.Nxd4 Bd7 24.Qd3 f6 25.hxg6 hxg6 26.Bh3 Bxh3 27.Rxh3 fxg5 28.
f5 c5 29.Nb5 d5 30.fxg6 g4 31.Rh4 Qxg6 32.Qd2 Rxe4 33.Nd6 Ref4 34.Qd3 Qxd3
35.cxd3 c4 36.Rh5 cxd3 37.Rg5+ Kh7 38.Ndf5 R8xf5 39.Nxf5 Nc4 40.Ng3 Rf3 
0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.15"]
[Round "8"]
[White "Gomez Polo, Vicente"]
[Black "Eslon, Jaan"]
[Result "0-1"]
[ECO "C92"]
[EventDate "1980.04.07"]
[PlyCount "60"]

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 Bb7 10.d3 Re8 11.Nbd2 Bf8 12.Bc2 g6 13.d4 Bg7 14.d5 Ne7 15.b3 c6 16.
c4 cxd5 17.cxd5 Rc8 18.Ba3 Nh5 19.g3 Rf8 20.Bd3 Qb6 21.Nf1 f5 22.exf5 Nxd5
23.Ng5 Nc3 24.Qg4 Nf6 25.Qb4 h6 26.Bc4+ Kh8 27.Nf7+ Rxf7 28.Bxf7 Qc6 29.f3
Qxf3 30.Ne3 Qxg3+ 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.15"]
[Round "8"]
[White "Martin Gonzalez, Angel"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1-0"]
[ECO "C64"]
[EventDate "1980.04.07"]
[PlyCount "83"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Qe7 5.O-O Nf6 6.d4 Bb6 7.a4 a6 8.Bxc6 
bxc6 9.a5 Ba7 10.Nxe5 Nxe4 11.Re1 d5 12.Nd2 O-O 13.Nxe4 dxe4 14.Nxc6 Qf6 
15.Nxa7 Bf5 16.Nb5 axb5 17.Bf4 Ra7 18.Qd2 h6 19.Be5 Qd8 20.Qf4 Bh7 21.Qg4 
f6 22.Qe6+ Kh8 23.Bf4 Qa8 24.Qe7 Rd8 25.b4 c6 26.Qc5 Ra6 27.Qh5 Rd5 28.Qg4
Ra7 29.Qg3 Qc8 30.Ra2 g5 31.Bd6 h5 32.Bc5 h4 33.Qe3 Ra8 34.f3 Qg8 35.Rae2 
f5 36.fxe4 fxe4 37.Rf2 Bf5 38.Ref1 Qg6 39.Bb6 Kh7 40.Bc7 Kh6 41.Be5 Rf8 
42.g4 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.15"]
[Round "8"]
[White "Ochoa de Echaguen Estibalez, Francisco Javier"]
[Black "Rivas Pastor, Manuel"]
[Result "0-1"]
[ECO "C45"]
[EventDate "1980.04.07"]
[PlyCount "118"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nf5 Qf6 6.Nc3 Nge7 7.Ne3 d6 8.Be2
Be6 9.O-O O-O 10.Kh1 Rad8 11.Ned5 Bxd5 12.exd5 Nd4 13.Bd3 Ng6 14.f4 Nf5 
15.Ne4 Qh4 16.Qe1 Qxe1 17.Rxe1 Rfe8 18.Bd2 Nge7 19.Nxc5 dxc5 20.c4 c6 21.
Bxf5 Nxf5 22.dxc6 bxc6 23.Ba5 Rc8 24.Rxe8+ Rxe8 25.Re1 Rxe1+ 26.Bxe1 Nd6 
27.b3 f5 28.Bf2 Ne4 29.Be3 Kf7 30.Kg1 Ke6 31.Kf1 Kd6 32.a3 a6 33.Ke2 g6 
34.Kd3 Nf6 35.b4 cxb4 36.axb4 Ne4 37.Ba7 c5 38.b5 axb5 39.cxb5 Kd5 40.b6 
Kc6 41.g3 Nd6 42.Bb8 Nc8 43.g4 Nxb6 44.gxf5 gxf5 45.Be5 Kd5 46.Ba1 Nc4 47.
Bg7 Nd6 48.Bh8 Ne4 49.Bg7 h5 50.Bh8 c4+ 51.Ke3 Kc5 52.Ba1 c3 53.Kd3 Kd5 
54.h4 Nc5+ 55.Kxc3 Ke4 56.Kc4 Ne6 57.Bf6 Nxf4 58.Bd8 Nd5 59.Bg5 f4 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.15"]
[Round "8"]
[White "Rodriguez Vargas, Orestes"]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[ECO "E15"]
[EventDate "1980.04.07"]
[PlyCount "52"]

1.c4 Nf6 2.d4 e6 3.Nf3 b6 4.g3 Ba6 5.Nbd2 Bb7 6.Bg2 c5 7.dxc5 bxc5 8.O-O 
Be7 9.b3 O-O 10.Bb2 d6 11.Qc2 Nbd7 12.e4 Qc7 13.Rae1 Rfd8 14.Ng5 h6 15.Nh3
Nh7 16.f4 Bf6 17.Bc1 a5 18.Nf3 a4 19.g4 axb3 20.axb3 g6 21.Nf2 Qa5 22.Rd1 
Ndf8 23.g5 hxg5 24.fxg5 Bg7 25.Ng4 Qa2 26.Qd3 e5 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.16"]
[Round "9"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Gomez Polo, Vicente"]
[Result "1-0"]
[ECO "B09"]
[EventDate "1980.04.07"]
[PlyCount "61"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nf6 5.Nf3 c5 6.dxc5 Qa5 7.Bd3 Qxc5 8.Qe2 
O-O 9.Be3 Qa5 10.O-O Nc6 11.h3 Bd7 12.a3 Rac8 13.Qf2 a6 14.e5 Nd5 15.b4 
Nxe3 16.bxa5 Nxf1 17.Re1 Be6 18.Kxf1 dxe5 19.fxe5 Nxe5 20.Nxe5 Rxc3 21.Qb6
Rxa3 22.Nf3 Bc3 23.Rxe6 fxe6 24.Qxe6+ Kh8 25.Qxe7 Ra1+ 26.Ke2 Bg7 27.Ne5 
Rff1 28.Nxg6+ hxg6 29.Qh4+ Kg8 30.Bc4+ Rf7 31.Qf4 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1981.04.16"]
[Round "9"]
[White "Eslon, Jaan"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1980.04.07"]
[PlyCount "23"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.Qe2 Be7 8.c4 O-O
9.b3 b6 10.Bb2 Bb7 11.Nd2 Nbd7 12.Rae1 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.16"]
[Round "9"]
[White "Medina Garcia, Antonio Angel"]
[Black "Ochoa de Echaguen Estibalez, Francisco Javier"]
[Result "0-1"]
[ECO "B33"]
[EventDate "1980.04.07"]
[PlyCount "62"]

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 Rg8 14.c4 Rg5 15.Qh4 
Bxd5 16.exd5 Qa5+ 17.Kd1 Rg4 18.Qh3 Nb4 19.Bb1 Rc8 20.Ke2 Qd8 21.Qh5 Rxg2 
22.Qxf5 Rg6 23.Rd1 Rc5 24.Qh3 Bh6 25.Bd3 Qg5 26.Qg3 Qh5+ 27.Qf3 Qh4 28.Rg1
Rf6 29.Rg8+ Ke7 30.Qg3 Qh5+ 31.Kf1 Rf3 {Schach Echo 1980, 169} 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.16"]
[Round "9"]
[White "Rivas Pastor, Manuel"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1/2-1/2"]
[ECO "A57"]
[EventDate "1980.04.07"]
[PlyCount "146"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 g6 6.Nc3 d6 7.Nf3 Bg7 8.a4 O-O 9.
Ra3 axb5 10.Bxb5 Ne8 11.Nd2 Nc7 12.Nc4 Nxb5 13.Nxb5 Nd7 14.O-O Nb6 15.b3 
Bd7 16.e4 f5 17.Bd2 Bxb5 18.axb5 Rxa3 19.Nxa3 fxe4 20.Ba5 Qa8 21.Bxb6 Qxa3
22.Bc7 Bd4 23.b6 Qa8 24.Qe2 Kg7 25.Qb5 Qa2 26.b7 Bxf2+ 27.Kh1 e3 28.Bxd6 
e2 29.b8=Q Rxb8 30.Be5+ Kh6 31.Bxb8 exf1=Q+ 32.Qxf1 Bd4 33.Qf8+ Bg7 34.
Bf4+ Kh5 35.g4+ Kxg4 36.Qxg7 Qb1+ 37.Kg2 Qe4+ 38.Kg1 Qe1+ 39.Kg2 Qe2+ 40.
Kg1 Qd1+ 41.Kf2 Qc2+ 42.Ke1 Qe4+ 43.Kd2 Qxd5+ 44.Kc3 Kxf4 45.Qxh7 Qd4+ 46.
Kc2 Qe4+ 47.Kc3 e5 48.h4 Qf5 49.Qc7 Qh3+ 50.Kc4 Qf1+ 51.Kd5 Qd3+ 52.Ke6 
Qxb3+ 53.Kf6 Qd5 54.Kxg6 Qe6+ 55.Kg7 c4 56.Qd8 Qg4+ 57.Kh6 c3 58.h5 Ke3 
59.Qc7 Qf4+ 60.Kg6 Qe4+ 61.Kg7 c2 62.h6 Kd2 63.Qd8+ Ke2 64.Qc8 Qg2+ 65.Kh8
Kd1 66.h7 e4 67.Qd7+ Qd2 68.Qa4 e3 69.Kg7 Qg2+ 70.Kf8 Qf3+ 71.Kg7 Qb7+ 72.
Kg8 Qb8+ 73.Kg7 Qe5+ 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.16"]
[Round "9"]
[White "Seirawan, Yasser"]
[Black "Martin Gonzalez, Angel"]
[Result "1/2-1/2"]
[ECO "A21"]
[EventDate "1980.04.07"]
[PlyCount "105"]

1.c4 g6 2.Nc3 Bg7 3.g3 d6 4.Bg2 e5 5.Nf3 c5 6.a3 a5 7.O-O Nc6 8.Rb1 Nge7 
9.d3 O-O 10.Ne1 Be6 11.Nc2 d5 12.b3 f5 13.Bg5 d4 14.Nb5 h6 15.Bd2 Qd7 16.
b4 b6 17.bxc5 bxc5 18.a4 Ra6 19.Na1 Nb4 20.Nb3 Rc8 21.Bxb4 axb4 22.Ra1 Kh7
23.Qd2 Ng8 24.e3 dxe3 25.Qxe3 Qe7 26.a5 e4 27.Rac1 exd3 28.Qxd3 Rd8 29.Qe3
Bf8 30.Rfe1 Nf6 31.h3 Rc8 32.Bd5 Re8 33.Bxe6 Rxe6 34.Qxe6 Qxe6 35.Rxe6 
Rxe6 36.Rd1 Be7 37.Kf1 Ra6 38.Nc7 Rc6 39.Nd5 Nxd5 40.Rxd5 Bd6 41.g4 fxg4 
42.hxg4 Kg7 43.Ke2 Kf7 44.Ke3 Ke6 45.f4 Bc7 46.Ke4 Kf7 47.Kf3 Ke6 48.Ke4 
Kf7 49.f5 gxf5+ 50.Rxf5+ Ke6 51.Rf1 Kd7 52.Rf7+ Kd8 53.Kd5 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.17"]
[Round "10"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[ECO "D01"]
[EventDate "1980.04.07"]
[PlyCount "82"]

1.Nc3 Nf6 2.d4 d5 3.Bg5 Nbd7 4.f3 c5 5.e4 dxe4 6.d5 g6 7.Qd2 Bg7 8.Bh6 
Bxh6 9.Qxh6 Qa5 10.d6 exd6 11.O-O-O Ke7 12.Qh4 Kf8 13.Rxd6 Kg7 14.fxe4 Ne8
15.Rd2 Ne5 16.Qf4 Nc6 17.Bc4 Qc7 18.Qf2 Ne5 19.Bd5 Nf6 20.Nge2 Re8 21.h3 
Be6 22.Rf1 Nfd7 23.Nf4 Rad8 24.Bxe6 fxe6 25.Qg3 Qc6 26.Qg5 Nf7 27.Nh5+ Kg8
28.Rxf7 Kxf7 29.Qh6 gxh5 30.Qxh7+ Kf6 31.Qh6+ Kf7 32.Rf2+ Ke7 33.a4 a6 34.
e5 Rf8 35.Qh7+ Ke8 36.Qxh5+ Ke7 37.Qh7+ Ke8 38.Qg6+ Ke7 39.Qg5+ Ke8 40.
Qg6+ Ke7 41.Qh7+ Ke8 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.17"]
[Round "10"]
[White "Gomez Polo, Vicente"]
[Black "Seirawan, Yasser"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1980.04.07"]
[PlyCount "75"]

1.g3 Nf6 2.Bg2 c6 3.e4 e5 4.d4 exd4 5.Qxd4 d5 6.Nc3 Be6 7.Bg5 Be7 8.Nge2 
c5 9.Qd2 d4 10.Bxf6 Bxf6 11.Nd5 O-O 12.O-O Bxd5 13.exd5 Nd7 14.c3 dxc3 15.
Nxc3 Qa5 16.Rfd1 Bxc3 17.Qxc3 Qxc3 18.bxc3 Rfd8 19.a4 Rab8 20.a5 Nf6 21.
Rab1 Ne8 22.Rb5 Nd6 23.Rb2 Re8 24.Rdb1 Kf8 25.Bf1 c4 26.Rb4 Rec8 27.Bg2 
Rc5 28.Ra4 Re8 29.Kf1 Re7 30.Re1 Rb5 31.Rxe7 Kxe7 32.Ke2 Rb2+ 33.Ke3 Rc2 
34.Ra3 Nf5+ 35.Kf3 Kd6 36.Bh3 Ne7 37.Ke3 Kc5 38.Bg2 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.17"]
[Round "10"]
[White "Martin Gonzalez, Angel"]
[Black "Rivas Pastor, Manuel"]
[Result "1/2-1/2"]
[ECO "C66"]
[EventDate "1980.04.07"]
[PlyCount "21"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Be3 Be6 8.Re1 
exd4 9.Nxd4 Bd7 10.Qf3 O-O 11.Nf5 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.17"]
[Round "10"]
[White "Rodriguez Vargas, Orestes"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "A40"]
[EventDate "1980.04.07"]
[PlyCount "43"]

1.d4 e6 2.Nf3 b6 3.c4 Bb7 4.Nc3 Bb4 5.Qb3 a5 6.a3 Bxf3 7.gxf3 Be7 8.Rg1 
Bf6 9.Qd1 d5 10.cxd5 exd5 11.e4 dxe4 12.Be3 Ne7 13.fxe4 Ng6 14.e5 Bh4 15.
e6 fxe6 16.Qf3 c6 17.Bd3 Qf6 18.Qh5 O-O 19.Ne4 Qf3 20.Qxf3 Rxf3 21.Ke2 Rf8
22.Bc4 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.17"]
[Round "10"]
[White "Tatai, Stefano"]
[Black "Eslon, Jaan"]
[Result "1/2-1/2"]
[ECO "A40"]
[EventDate "1980.04.07"]
[PlyCount "32"]

1.d4 e6 2.c4 Bb4+ 3.Bd2 Qe7 4.Nf3 f5 5.g3 Nf6 6.Bg2 Bxd2+ 7.Nbxd2 d6 8.O-O
O-O 9.Re1 Nc6 10.e4 f4 11.e5 dxe5 12.d5 exd5 13.cxd5 fxg3 14.hxg3 Nxd5 15.
Nxe5 Qd8 16.Nxc6 bxc6 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.19"]
[Round "11"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Tatai, Stefano"]
[Result "0-1"]
[ECO "B35"]
[EventDate "1980.04.07"]
[PlyCount "100"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.f3 
Qb6 9.Bb3 Nxe4 10.Nd5 Qa5+ 11.c3 Nc5 12.Nxc6 bxc6 13.Nxe7+ Kh8 14.Nxc8 
Raxc8 15.O-O d5 16.Bxd5 Na4 17.Bb3 Nxb2 18.Qc2 Qxc3 19.Qxc3 Bxc3 20.Rac1 
Bg7 21.Bxa7 c5 22.Bb6 Rc6 23.Ba5 Bd4+ 24.Kh1 Ra6 25.Bc3 Bxc3 26.Rxc3 c4 
27.Rc2 cxb3 28.Rxb2 bxa2 29.Ra1 Rfa8 30.h4 Ra4 31.Kg1 Kg7 32.Kf2 Kh6 33.
Kg3 Kh5 34.Rb5+ f5 35.Rb2 Ra3 36.Rc2 R8a4 37.Rb2 Ra7 38.Rd2 Ra8 39.Rb2 
R8a5 40.Rd2 Ra7 41.Rb2 h6 42.Rb6 R7a6 43.Rb2 R6a4 44.Rd2 f4+ 45.Kh3 g5 46.
hxg5 hxg5 47.Kh2 g4 48.fxg4+ Kxg4 49.Kg1 Kg3 50.Kf1 Rb4 0-1

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.19"]
[Round "11"]
[White "Medina Garcia, Antonio Angel"]
[Black "Martin Gonzalez, Angel"]
[Result "1/2-1/2"]
[ECO "B38"]
[EventDate "1980.04.07"]
[PlyCount "20"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 O-O 8.Be2 
b6 9.Nxc6 dxc6 10.Qxd8 Rxd8 1/2-1/2

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.19"]
[Round "11"]
[White "Ochoa de Echaguen Estibalez, Francisco Javier"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[ECO "B10"]
[EventDate "1980.04.07"]
[PlyCount "99"]

1.e4 c6 2.Nc3 d5 3.Qf3 d4 4.Bc4 Nf6 5.e5 dxc3 6.exf6 exf6 7.Qxc3 Bd6 8.
Qe3+ Qe7 9.Qxe7+ Kxe7 10.d4 Bf5 11.c3 Nd7 12.Ne2 Rhe8 13.O-O Nb6 14.Bb3 
Bd3 15.Re1 Kf8 16.Bf4 Rad8 17.Bxd6+ Rxd6 18.Nf4 Bc4 19.Rxe8+ Kxe8 20.Re1+ 
Kf8 21.Bxc4 Nxc4 22.b3 Nb6 23.Rc1 Rd8 24.Kf1 a5 25.Nd3 Nd7 26.Ke2 Re8+ 27.
Kd2 Re4 28.g3 Ke7 29.Re1 f5 30.f3 Re6 31.Rxe6+ Kxe6 32.c4 Kd6 33.Kc3 b6 
34.a3 f6 35.b4 axb4+ 36.axb4 g5 37.Nb2 h5 38.c5+ Kd5 39.Nc4 bxc5 40.bxc5 
Nf8 41.Ne3+ Ke6 42.Nc2 Ng6 43.Nb4 Kd7 44.Kd3 Ne7 45.Kc4 g4 46.f4 Ng6 47.d5
cxd5+ 48.Nxd5 Ke6 49.c6 Kd6 50.c7 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.19"]
[Round "11"]
[White "Rivas Pastor, Manuel"]
[Black "Gomez Polo, Vicente"]
[Result "1-0"]
[ECO "A48"]
[EventDate "1980.04.07"]
[PlyCount "47"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O 5.Be2 d6 6.c4 Nbd7 7.Nc3 c6 8.h3 a6 
9.O-O b5 10.Rc1 b4 11.Na4 Ne4 12.Nd2 f5 13.Nxe4 fxe4 14.Bg3 e5 15.Qc2 exd4
16.Qxe4 Nf6 17.Qxd4 Qa5 18.b3 Bf5 19.Qxd6 Rad8 20.Qxc6 Rd7 21.Bc7 Rc8 22.
Bxa5 Rxc6 23.Bf3 Be4 24.Bxb4 1-0

[Event "20th Costa del Sol it"]
[Site "Torremolinos ESP"]
[Date "1980.04.19"]
[Round "11"]
[White "Seirawan, Yasser"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[ECO "D32"]
[EventDate "1980.04.07"]
[PlyCount "22"]

1.c4 e6 2.Nc3 d5 3.d4 c5 4.cxd5 cxd4 5.Qxd4 exd5 6.Nf3 Nc6 7.Qd3 Nf6 8.e3 
Bg4 9.Be2 Be7 10.O-O O-O 11.Rd1 Be6 1/2-1/2

