[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.09"]
[Round "1"]
[White "Andersson, Ulf"]
[Black "Lopez Colon, Francisco"]
[WhiteElo "2590"]
[Result "1-0"]
[ECO "D34"]
[EventDate "1980.06.09"]
[PlyCount "77"]

1.c4 e6 2.Nf3 d5 3.d4 Nf6 4.g3 Be7 5.Bg2 O-O 6.O-O c5 7.cxd5 exd5 8.Nc3 
Nc6 9.Bg5 cxd4 10.Nxd4 Be6 11.Qa4 Qb6 12.Nxe6 fxe6 13.Bh3 Nd8 14.Qb5 Bc5 
15.a3 Qxb5 16.Nxb5 Rc8 17.Rac1 Rc6 18.b4 Bb6 19.Rxc6 bxc6 20.Nc3 h6 21.Bf4
Bd4 22.Rc1 e5 23.Bd2 Nh7 24.Be1 Ng5 25.Bg2 e4 26.h4 Ngf7 27.b5 cxb5 28.
Nxb5 Bb6 29.Nc3 e3 30.Bxd5 exf2+ 31.Bxf2 Bxf2+ 32.Kxf2 Kh8 33.Ke3 Nd6 34.
g4 h5 35.gxh5 Nf5+ 36.Kd3 Nxh4 37.Rh1 Rf4 38.e3 Rg4 39.Rf1 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.09"]
[Round "1"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Fernandez Garcia, Jose Luis"]
[WhiteElo "2430"]
[BlackElo "2390"]
[Result "1/2-1/2"]
[ECO "A44"]
[EventDate "1980.06.09"]
[PlyCount "50"]

1.d4 c5 2.d5 e5 3.e4 d6 4.Nc3 Nf6 5.Nf3 Be7 6.Be2 a6 7.a4 O-O 8.O-O Ne8 9.
Nd2 Nd7 10.Nc4 Bg5 11.Bxg5 Qxg5 12.Bg4 g6 13.Ra3 f5 14.exf5 Ndf6 15.f3 
Bxf5 16.Bxf5 Qxf5 17.Rb3 Rf7 18.Ne4 Nxe4 19.fxe4 Qxe4 20.Rxf7 Kxf7 21.
Rxb7+ Kg8 22.Qd3 Qh4 23.g3 Qg4 24.Kg2 Nf6 25.h3 Qg5 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.09"]
[Round "1"]
[White "Dominguez Sanz, Juan Pedro"]
[Black "Miles, Anthony John"]
[WhiteElo "2295"]
[BlackElo "2545"]
[Result "0-1"]
[ECO "B24"]
[EventDate "1980.06.09"]
[PlyCount "52"]

1.e4 c5 2.Nc3 Nc6 3.g3 Rb8 4.a3 g6 5.Bg2 Bg7 6.Nh3 d6 7.O-O h5 8.f3 e5 9.
d3 Nge7 10.Be3 b6 11.Nf2 d5 12.Nxd5 Nxd5 13.exd5 Qxd5 14.f4 Qd7 15.c3 Bb7 
16.Qa4 h4 17.g4 h3 18.Bf3 O-O 19.f5 gxf5 20.gxf5 Qxf5 21.Qg4 Qxg4+ 22.Bxg4
f5 23.Bf3 e4 24.dxe4 f4 25.Bd2 Rbd8 26.Be1 Ba6 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.09"]
[Round "1"]
[White "Gonzalez Mestres, Luis"]
[Black "Geller, Efim"]
[WhiteElo "2360"]
[BlackElo "2565"]
[Result "0-1"]
[ECO "B59"]
[EventDate "1980.06.09"]
[PlyCount "58"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.Kh1 a5 10.a4 Nb4 11.f4 Qc7 12.Be3 Be6 13.Bf3 Rfd8 14.Qc1 Rac8 15.Rd1
d5 16.fxe5 Nxe4 17.Bd4 Bg5 18.Qb1 Bf4 19.Nxe4 dxe4 20.Bxe4 g6 21.Bc3 Bxe5 
22.Bxe5 Qxe5 23.Rxd8+ Rxd8 24.Bxb7 Qc7 25.Be4 f5 26.c3 Bxb3 27.cxb4 fxe4 
28.Qxe4 Bd5 29.Qe1 Qc2 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.09"]
[Round "1"]
[White "Hernandez Onna, Roman"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2460"]
[BlackElo "2545"]
[Result "0-1"]
[ECO "A29"]
[EventDate "1980.06.09"]
[PlyCount "78"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3 
O-O 9.Be3 Bg4 10.Rc1 Re8 11.d4 exd4 12.Nxd4 Nxd4 13.Qxd4 Qxd4 14.Bxd4 c6 
15.h3 Be6 16.Rfd1 Red8 17.b3 Ba3 18.Rb1 Bb4 19.Ne4 Bf5 20.g4 Bg6 21.Rbc1 
Ba3 22.Ra1 Nd5 23.e3 b6 24.Nd2 Bc2 25.Re1 Nf4 26.Bxc6 Rac8 27.Be4 Bb4 28.
exf4 Bxd2 29.Re2 Rxd4 30.Bxc2 Bxf4 31.Kg2 g6 32.Rd1 Rxc2 33.Rxd4 Rxe2 34.
Rxf4 Rxa2 35.Rb4 g5 36.Kg3 Rc2 37.Ra4 a5 38.f3 Rc3 39.Ra3 Kf8 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.09"]
[Round "1"]
[White "Petrosian, Tigran"]
[Black "Garcia Gonzales, Guillermo"]
[WhiteElo "2615"]
[BlackElo "2505"]
[Result "1/2-1/2"]
[ECO "E30"]
[EventDate "1980.06.09"]
[PlyCount "66"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.Bg5 h6 6.Bxf6 Qxf6 7.Rc1 cxd4 8.Nxd4
a6 9.a3 Bxc3+ 10.Rxc3 Nc6 11.e3 O-O 12.Be2 d5 13.cxd5 exd5 14.Rd3 Nxd4 15.
Rxd4 Be6 16.O-O Rac8 17.Qb3 Qe7 18.Bf3 Rc5 19.Qd3 Qf6 20.Qb3 b5 21.Be2 
Rfc8 22.h3 Qg6 23.Bd3 Bf5 24.Bxf5 Qxf5 25.Qd1 Qf6 26.b3 Qc6 27.a4 bxa4 28.
Rxa4 Qb5 29.Rd4 Rc3 30.b4 R3c4 31.Rxd5 Qxb4 32.Rd8+ Rxd8 33.Qxd8+ Qf8 
1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.10"]
[Round "2"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Dominguez Sanz, Juan Pedro"]
[WhiteElo "2390"]
[BlackElo "2295"]
[Result "1/2-1/2"]
[ECO "B17"]
[EventDate "1980.06.09"]
[PlyCount "83"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bc4 e6 8.
Qe2 Be7 9.O-O O-O 10.Bg5 Nd5 11.Bxe7 Qxe7 12.Rad1 b5 13.Bxd5 cxd5 14.Qxb5 
a5 15.Rfe1 Qc7 16.Qd3 Ba6 17.Qd2 Rfc8 18.c3 a4 19.Re3 Bc4 20.Ra1 Rcb8 21.
Ne5 Ra6 22.Rg3 f6 23.Nxc4 dxc4 24.Re1 Rab6 25.Qe2 Qc6 26.Qg4 g6 27.h4 Qd5 
28.h5 Qf5 29.hxg6 hxg6 30.Qxf5 exf5 31.Re7 g5 32.f4 g4 33.Rge3 Rxb2 34.Rc7
Rxa2 35.Ree7 Rc2 36.Rg7+ Kh8 37.Rh7+ Kg8 38.Rhg7+ Kh8 39.Rh7+ Kg8 40.Rcg7+
Kf8 41.Ra7 Kg8 42.Rag7+ 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.10"]
[Round "2"]
[White "Garcia Gonzales, Guillermo"]
[Black "Bellon Lopez, Juan Manuel"]
[WhiteElo "2505"]
[BlackElo "2430"]
[Result "1/2-1/2"]
[ECO "A11"]
[EventDate "1980.06.09"]
[PlyCount "85"]

1.c4 c6 2.Nf3 d5 3.Qc2 Nf6 4.g3 Bg4 5.Bg2 Nbd7 6.d3 e6 7.Nbd2 a5 8.b3 a4 
9.Bb2 axb3 10.axb3 Rxa1+ 11.Bxa1 Bb4 12.O-O O-O 13.Bc3 Qb6 14.Ra1 Nc5 15.
Bxf6 gxf6 16.d4 Na6 17.c5 Qd8 18.e4 Bh5 19.exd5 Bg6 20.Qc1 cxd5 21.Ra4 Qb8
22.Nf1 Qc8 23.Qf4 b5 24.Ra2 Bc3 25.Qxf6 Nxc5 26.Ne3 Ne4 27.Qe7 Qd8 28.Qxd8
Rxd8 29.Ne5 Rd6 30.Nxg6 hxg6 31.Ra8+ Kg7 32.Bxe4 dxe4 33.Rb8 Bxd4 34.Rxb5 
Bxe3 35.fxe3 Rd3 36.Re5 Rxe3 37.Kf2 Rxb3 38.Rxe4 Rb2+ 39.Kg1 g5 40.h4 gxh4
41.Rxh4 f5 42.Ra4 Kf6 43.g4 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.10"]
[Round "2"]
[White "Hernandez Onna, Roman"]
[Black "Andersson, Ulf"]
[WhiteElo "2460"]
[BlackElo "2590"]
[Result "1/2-1/2"]
[ECO "D58"]
[EventDate "1980.06.09"]
[PlyCount "44"]

1.c4 Nf6 2.Nf3 e6 3.d4 d5 4.Nc3 Be7 5.Bg5 h6 6.Bh4 O-O 7.e3 b6 8.Be2 Bb7 
9.Bxf6 Bxf6 10.cxd5 exd5 11.O-O Nd7 12.b4 Be7 13.Qb3 Nf6 14.Rfd1 Bd6 15.
Nb5 Qe7 16.Nxd6 cxd6 17.Rac1 Rfc8 18.Qa3 Rxc1 19.Rxc1 Rc8 20.Rxc8+ Bxc8 
21.Qc1 Bf5 22.Qc6 Qd7 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.10"]
[Round "2"]
[White "Lopez Colon, Francisco"]
[Black "Petrosian, Tigran"]
[BlackElo "2615"]
[Result "0-1"]
[ECO "B41"]
[EventDate "1980.06.09"]
[PlyCount "78"]

1.d4 Nf6 2.c4 c5 3.Nf3 e6 4.Nc3 cxd4 5.Nxd4 a6 6.Nc2 Qc7 7.e4 b6 8.Bd3 Bb7
9.Qe2 d6 10.O-O Nbd7 11.Bf4 Be7 12.Rac1 O-O 13.Rfd1 Rac8 14.Ne3 Nc5 15.Ng4
Nxd3 16.Nxf6+ Bxf6 17.Qxd3 Qxc4 18.Qxc4 Rxc4 19.Rxd6 b5 20.f3 h6 21.Rd7 
Bc6 22.Rdd1 Rc8 23.e5 Be7 24.Ne2 Bd5 25.b3 Rc2 26.Rxc2 Rxc2 27.Rd2 Rc8 28.
Nd4 Rc1+ 29.Kf2 Rh1 30.Rc2 Bh4+ 31.Ke2 Rg1 32.Kd3 Kh7 33.Be3 Rd1+ 34.Rd2 
Rh1 35.Bf4 Bd8 36.Kc2 g5 37.Bg3 Rg1 38.Re2 Bb6 39.Bf2 Rxg2 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.10"]
[Round "2"]
[White "Miles, Anthony John"]
[Black "Gonzalez Mestres, Luis"]
[WhiteElo "2545"]
[BlackElo "2360"]
[Result "1-0"]
[ECO "E12"]
[EventDate "1980.06.09"]
[PlyCount "55"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.a3 d5 6.cxd5 exd5 7.Bf4 Bd6 8.Bg3 
O-O 9.e3 a6 10.Bd3 Nbd7 11.Bxd6 cxd6 12.Nd2 Re8 13.Qf3 Ra7 14.O-O Ne4 15.
Bxe4 dxe4 16.Qf4 Nf6 17.Rac1 Ba8 18.Nc4 Rd7 19.a4 Nd5 20.Nxd5 Bxd5 21.b4 
h6 22.h3 Ree7 23.Nxb6 Qxb6 24.Rc8+ Rd8 25.a5 Rxc8 26.axb6 Rc6 27.Qf5 Be6 
28.Qa5 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.10"]
[Round "2"]
[White "Sosonko, Gennadi"]
[Black "Geller, Efim"]
[WhiteElo "2545"]
[BlackElo "2565"]
[Result "1/2-1/2"]
[ECO "E17"]
[EventDate "1980.06.09"]
[PlyCount "34"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.d5 exd5 8.Nd4 Bc6
9.cxd5 Bxd5 10.Bxd5 Nxd5 11.e4 c5 12.Nf5 Nc7 13.Qg4 Ne6 14.Nc3 Nc6 15.Nd5 
Bf6 16.f4 Bd4+ 17.Be3 Bxe3+ 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.11"]
[Round "3"]
[White "Andersson, Ulf"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2590"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "D30"]
[EventDate "1980.06.09"]
[PlyCount "30"]

1.Nf3 d5 2.d4 Nf6 3.c4 e6 4.Bg5 h6 5.Bxf6 Bb4+ 6.Nbd2 Qxf6 7.a3 Bxd2+ 8.
Qxd2 O-O 9.Rc1 c6 10.g3 Nd7 11.Qf4 Qe7 12.Bg2 Nb6 13.Ne5 Nxc4 14.Nxc4 dxc4
15.Rxc4 Re8 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.11"]
[Round "3"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Lopez Colon, Francisco"]
[WhiteElo "2430"]
[Result "1-0"]
[ECO "D01"]
[EventDate "1980.06.09"]
[PlyCount "137"]

1.Nc3 d5 2.d4 Nf6 3.Bg5 Nbd7 4.Nf3 c6 5.e3 g6 6.Be2 Bg7 7.O-O O-O 8.a4 a5 
9.h3 Re8 10.Bf4 Nb6 11.Ne5 Be6 12.b3 Nfd7 13.Nf3 Nf6 14.Rb1 h6 15.Ne5 Nfd7
16.Nd3 Bf5 17.Qd2 Kh7 18.Bh2 Nc8 19.f4 Nd6 20.Ne5 Rc8 21.Bd3 e6 22.g4 Bxd3
23.cxd3 Rf8 24.Ne2 b6 25.Rbc1 Nb8 26.Rc2 f6 27.Nf3 Na6 28.Ng3 Nb4 29.Rcc1 
f5 30.Qe2 Rc7 31.g5 h5 32.Kg2 Qe8 33.Bg1 Rh8 34.Bf2 Nf7 35.Be1 Bf8 36.Kh2 
Kg7 37.Nh4 Bd6 38.e4 Qd7 39.Bd2 Rcc8 40.Kg2 Rce8 41.Rfe1 Nd8 42.Qf3 Ref8 
43.Re2 Nf7 44.Qe3 Nd8 45.Bxb4 Bxb4 46.exf5 exf5 47.Nf3 Re8 48.Ne5 Qc7 49.
Qf3 Bd6 50.Rec2 Bxe5 51.dxe5 Qd7 52.Ne2 c5 53.Nd4 Re7 54.Nb5 Ne6 55.d4 Rd8
56.Kg3 Kf8 57.Rd1 Qc6 58.dxc5 bxc5 59.Nd6 Rxd6 60.exd6 Qxd6 61.Rxd5 h4+ 
62.Kh2 Qxf4+ 63.Qxf4 Nxf4 64.Rdxc5 Ne6 65.Re5 Nxg5 66.Rxe7 Kxe7 67.Rc7+ 
Kf6 68.Rc6+ Ne6 69.b4 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.11"]
[Round "3"]
[White "Dominguez Sanz, Juan Pedro"]
[Black "Garcia Gonzales, Guillermo"]
[WhiteElo "2295"]
[BlackElo "2505"]
[Result "0-1"]
[ECO "B25"]
[EventDate "1980.06.09"]
[PlyCount "112"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nh3 e5 7.O-O Nge7 8.f4 exf4 
9.Bxf4 O-O 10.Rb1 h6 11.Qd2 Kh7 12.Be3 Ne5 13.Kh1 g5 14.Nf2 Be6 15.Qe2 Qd7
16.Nd5 Rae8 17.c3 Ng4 18.Nxe7 Nxe3 19.Qxe3 Rxe7 20.Qd2 b6 21.b3 d5 22.Qc2 
Kg8 23.Rbe1 dxe4 24.dxe4 Rd8 25.Rd1 Qc8 26.Rxd8+ Qxd8 27.Rd1 Rd7 28.Rxd7 
Qxd7 29.Nd1 c4 30.Bf1 b5 31.Ne3 cxb3 32.axb3 a5 33.Bg2 a4 34.bxa4 bxa4 35.
Nd5 Qb7 36.Bf1 Bxd5 37.exd5 Qxd5+ 38.Bg2 Qe5 39.Bf3 a3 40.Qa2 Qxc3 41.Bd5 
Qc1+ 42.Kg2 Qb2+ 43.Kf3 Qf6+ 44.Kg2 Bf8 45.Qf2 Qxf2+ 46.Kxf2 Kg7 47.g4 f5 
48.gxf5 Kf6 49.Be6 Bd6 50.h3 h5 51.Kf3 Ke5 52.Ke3 Be7 53.Kd3 Kf4 54.Kc2 
Kg3 55.Bf7 Kxh3 56.Bxh5 g4 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.11"]
[Round "3"]
[White "Geller, Efim"]
[Black "Miles, Anthony John"]
[WhiteElo "2565"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1980.06.09"]
[PlyCount "29"]

1.Nf3 Nf6 2.c4 b6 3.g3 c5 4.Bg2 Bb7 5.O-O g6 6.Nc3 Bg7 7.e3 O-O 8.d4 Ne4 
9.Bd2 d6 10.Rc1 e6 11.Qc2 Nxd2 12.Qxd2 Qf6 13.d5 e5 14.e4 Nd7 15.Nh4 
1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.11"]
[Round "3"]
[White "Gonzalez Mestres, Luis"]
[Black "Fernandez Garcia, Jose Luis"]
[WhiteElo "2360"]
[BlackElo "2390"]
[Result "1/2-1/2"]
[ECO "D70"]
[EventDate "1980.06.09"]
[PlyCount "48"]

1.c4 g6 2.d4 Nf6 3.f3 d5 4.cxd5 Nxd5 5.e4 Nb6 6.Nc3 Bg7 7.Be3 O-O 8.Qd2 
Nc6 9.Rd1 e5 10.d5 Nd4 11.Nb5 f5 12.Nxd4 exd4 13.Bxd4 Bxd4 14.Qxd4 fxe4 
15.fxe4 Bg4 16.Rd3 c5 17.dxc6 Qh4+ 18.g3 Qg5 19.Be2 bxc6 20.h4 Qh5 21.Rh2 
c5 22.Qc3 Bxe2 23.Nxe2 c4 24.Re3 Rad8 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.11"]
[Round "3"]
[White "Petrosian, Tigran"]
[Black "Hernandez Onna, Roman"]
[WhiteElo "2615"]
[BlackElo "2460"]
[Result "1-0"]
[ECO "E47"]
[EventDate "1980.06.09"]
[PlyCount "71"]

1.d4 e6 2.c4 Nf6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.d5 b5 7.dxe6 fxe6 8.cxb5 
Bb7 9.Nf3 Qc7 10.Bd2 e5 11.e4 d5 12.exd5 e4 13.Bc4 Qd6 14.Ng5 Nbd7 15.O-O 
Nb6 16.Bb3 Qe5 17.Ne6 c4 18.Bc2 Rf7 19.Re1 Bxc3 20.Bxc3 Qxd5 21.Qxd5 Nbxd5
22.Ng5 Re7 23.Nxe4 Nxe4 24.Bxe4 Rae8 25.Bxd5+ Bxd5 26.Rxe7 Rxe7 27.f3 Rb7 
28.Rd1 Be6 29.Rd6 Bf5 30.a4 Rb6 31.Rd4 Be6 32.Rd8+ Kf7 33.Bd4 Rb7 34.Ra8 
c3 35.bxc3 Bb3 36.a5 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.13"]
[Round "4"]
[White "Andersson, Ulf"]
[Black "Petrosian, Tigran"]
[WhiteElo "2590"]
[BlackElo "2615"]
[Result "1/2-1/2"]
[ECO "E18"]
[EventDate "1980.06.09"]
[PlyCount "17"]

1.c4 e6 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.d4 O-O 7.Nc3 Ne4 8.Nxe4 
Bxe4 9.Ne1 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.13"]
[Round "4"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Geller, Efim"]
[WhiteElo "2390"]
[BlackElo "2565"]
[Result "1/2-1/2"]
[ECO "B70"]
[EventDate "1980.06.09"]
[PlyCount "47"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Bg5 Bg7 7.Bb5+ Bd7 8.Qe2 
O-O 9.O-O-O Qa5 10.Rhe1 Rc8 11.Nb3 Qb6 12.e5 dxe5 13.Bxd7 Nbxd7 14.Rxd7 
Nxd7 15.Nd5 Qe6 16.Nxe7+ Kh8 17.Nxc8 Rxc8 18.Kb1 Nb6 19.Rd1 h6 20.Be3 Kg8 
21.h3 Qc6 22.Bxb6 Qxb6 23.f3 a6 24.Rd5 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.13"]
[Round "4"]
[White "Garcia Gonzales, Guillermo"]
[Black "Gonzalez Mestres, Luis"]
[WhiteElo "2505"]
[BlackElo "2360"]
[Result "1/2-1/2"]
[ECO "A34"]
[EventDate "1980.06.09"]
[PlyCount "70"]

1.c4 c5 2.g3 Nf6 3.Bg2 Nc6 4.Nf3 d5 5.cxd5 Nxd5 6.Nc3 Nc7 7.a3 e5 8.b4 f6 
9.bxc5 Bxc5 10.Bb2 a6 11.O-O O-O 12.Na4 Ba7 13.d3 Ne6 14.Nd2 Bd7 15.Rc1 
Kh8 16.Nb3 Qe7 17.Nc3 f5 18.Nd5 Qd6 19.Nd2 b5 20.Nb4 Nxb4 21.axb4 Rac8 22.
Nf3 Nd4 23.Nxd4 exd4 24.Qb3 Be6 25.Qa3 f4 26.Bb7 Rxc1 27.Bxc1 Bh3 28.Bg2 
Bxg2 29.Kxg2 g5 30.Bd2 h5 31.Qc1 Qe6 32.Qc7 Bb6 33.Qb7 h4 34.gxh4 Qxe2 35.
Qxb6 Qg4+ 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.13"]
[Round "4"]
[White "Hernandez Onna, Roman"]
[Black "Bellon Lopez, Juan Manuel"]
[WhiteElo "2460"]
[BlackElo "2430"]
[Result "1/2-1/2"]
[ECO "D12"]
[EventDate "1980.06.09"]
[PlyCount "79"]

1.c4 c6 2.d4 d5 3.Nf3 Nf6 4.e3 Bf5 5.Qb3 Qb6 6.cxd5 Qxb3 7.axb3 Nxd5 8.Nc3
Nb4 9.Kd2 Nd7 10.Nh4 g6 11.Nxf5 gxf5 12.Na2 e6 13.Bc4 h5 14.Ke2 Nxa2 15.
Rxa2 Bb4 16.Bd3 Nf6 17.Ra4 Nd5 18.f3 Bd6 19.e4 fxe4 20.fxe4 Nf4+ 21.Bxf4 
Bxf4 22.d5 Kd7 23.Rf1 Bxh2 24.Rxf7+ Kd6 25.dxe6 Kxe6 26.Rxb7 Be5 27.b4 
Rhb8 28.Rh7 Rh8 29.Raxa7 Rxa7 30.Rxa7 Bxb2 31.Ra6 Kd7 32.b5 cxb5 33.Bxb5+ 
Ke7 34.Bc4 h4 35.e5 Rh5 36.Ra7+ Kd8 37.e6 Bf6 38.Rf7 Be7 39.Rf3 Re5+ 40.
Re3 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.13"]
[Round "4"]
[White "Lopez Colon, Francisco"]
[Black "Dominguez Sanz, Juan Pedro"]
[BlackElo "2295"]
[Result "1/2-1/2"]
[ECO "E57"]
[EventDate "1980.06.09"]
[PlyCount "11"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.13"]
[Round "4"]
[White "Sosonko, Gennadi"]
[Black "Miles, Anthony John"]
[WhiteElo "2545"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "A60"]
[EventDate "1980.06.09"]
[PlyCount "27"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 b5 6.e4 Nxe4 7.Qe2 Qe7 8.Bg2 Nd6
9.Be3 b4 10.Bxc5 Qxe2+ 11.Nxe2 Na6 12.Bd4 Nf5 13.Nd2 Nc5 14.Bxc5 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.14"]
[Round "5"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Andersson, Ulf"]
[WhiteElo "2430"]
[BlackElo "2590"]
[Result "1/2-1/2"]
[ECO "B80"]
[EventDate "1980.06.09"]
[PlyCount "93"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 Be7 7.h4 O-O 8.Nb3 
Nc6 9.Bd3 a6 10.Qe2 b5 11.O-O-O Nb4 12.g4 Nxd3+ 13.cxd3 b4 14.Na4 Bb7 15.
Kb1 Rb8 16.Rc1 Qe8 17.Nb6 Nxe4 18.Rhg1 Nf6 19.g5 Nd5 20.Nxd5 Bxd5 21.Bd4 
f6 22.Rc7 fxg5 23.Rxg5 Rf7 24.Rg1 Bf8 25.Qc2 Rxc7 26.Qxc7 Rb7 27.Qc2 Rf7 
28.Be3 Qb5 29.Nd2 a5 30.b3 Qa6 31.f4 Bc6 32.h5 a4 33.Nc4 Rf5 34.Bd4 axb3 
35.axb3 Rxh5 36.Qe2 Rh6 37.Nxd6 Bd5 38.Nc4 Qb7 39.Qe5 Rg6 40.Rxg6 hxg6 41.
Qg5 Qf7 42.Ne5 Qf5 43.Kc2 Kh7 44.Nd7 Bd6 45.Be5 Bxb3+ 46.Kxb3 Qxd3+ 47.Ka4
1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.14"]
[Round "5"]
[White "Dominguez Sanz, Juan Pedro"]
[Black "Hernandez Onna, Roman"]
[WhiteElo "2295"]
[BlackElo "2460"]
[Result "0-1"]
[ECO "B68"]
[EventDate "1980.06.09"]
[PlyCount "66"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d6 6.Be2 Nf6 7.Bg5 a6 8.Qd2 
Bd7 9.f4 Be7 10.O-O-O b5 11.Bf3 Rc8 12.Nxc6 Bxc6 13.Bxf6 gxf6 14.Ne2 Qb6 
15.f5 e5 16.g4 b4 17.Kb1 Ba4 18.b3 Bb5 19.c4 Bc6 20.Nc1 a5 21.h4 h6 22.g5 
hxg5 23.hxg5 Rxh1 24.Rxh1 fxg5 25.f6 Bxf6 26.Rh6 Be7 27.Rh8+ Bf8 28.Qxg5 
Qd4 29.Qf5 Rc7 30.Ne2 Qd3+ 31.Kc1 a4 32.Ng3 axb3 33.axb3 Ba4 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.14"]
[Round "5"]
[White "Geller, Efim"]
[Black "Garcia Gonzales, Guillermo"]
[WhiteElo "2565"]
[BlackElo "2505"]
[Result "1-0"]
[ECO "A17"]
[EventDate "1980.06.09"]
[PlyCount "101"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 Bb4 4.g3 c5 5.Bg2 Nc6 6.O-O d6 7.b3 Bxc3 8.dxc3 e5
9.Bg5 h6 10.Bxf6 Qxf6 11.Nd2 Qg6 12.b4 Bf5 13.Nb3 O-O 14.b5 Nd8 15.Qd5 Rc8
16.Rfd1 e4 17.Qxd6 Ne6 18.Rd5 e3 19.f3 Rfe8 20.Re1 b6 21.Nc1 Nc7 22.Qxg6 
fxg6 23.Rd6 Rcd8 24.Red1 Rxd6 25.Rxd6 Be6 26.a4 Re7 27.f4 Bxc4 28.Nd3 Ne8 
29.Rd8 Bxd3 30.Rxd3 Nf6 31.Rd8+ Kf7 32.Bd5+ Nxd5 33.Rxd5 Kf6 34.Kg2 Re4 
35.Rd6+ Ke7 36.Rxg6 Kf7 37.Rc6 Rxa4 38.Kf3 Ra3 39.Rc7+ Kf6 40.Rc6+ Kf7 41.
Rc7+ Kf6 42.g4 Rxc3 43.h4 g5 44.Rc6+ Kg7 45.hxg5 hxg5 46.f5 Rb3 47.Rg6+ 
Kf7 48.Rxg5 Rxb5 49.Rh5 c4 50.Rh7+ Ke8 51.Rc7 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.14"]
[Round "5"]
[White "Gonzalez Mestres, Luis"]
[Black "Lopez Colon, Francisco"]
[WhiteElo "2360"]
[Result "1-0"]
[ECO "B01"]
[EventDate "1980.06.09"]
[PlyCount "114"]

1.e4 d5 2.exd5 Nf6 3.Bb5+ Bd7 4.Bc4 b5 5.Bb3 Bg4 6.f3 Bc8 7.Qe2 a6 8.a4 b4
9.Qc4 Qd6 10.d3 e6 11.Bf4 e5 12.Bg5 Nfd7 13.Nd2 Nb6 14.Qe4 N8d7 15.d4 Bb7 
16.dxe5 Qxe5 17.Bf4 Qe7 18.Ne2 Nc5 19.Qxe7+ Bxe7 20.Bxc7 Nxb3 21.Nxb3 Nxd5
22.Be5 O-O 23.Kf2 Rfe8 24.c3 Bh4+ 25.Bg3 Bf6 26.Nc5 Bc6 27.Ne4 Bd8 28.a5 
bxc3 29.bxc3 Bb5 30.Nd4 Be7 31.Bd6 Nxc3 32.Nxc3 Bxd6 33.Ncxb5 Be5 34.Ra4 
Red8 35.f4 Bf6 36.Re1 g6 37.Re4 axb5 38.Nxb5 Rd2+ 39.Kf3 Rc8 40.Re2 Rd5 
41.Na3 Rdc5 42.a6 Kg7 43.Rc2 Rxc2 44.Nxc2 Rxc2 45.a7 Rc8 46.a8=Q Rxa8 47.
Rxa8 Be7 48.Ra7 Bd6 49.Rd7 Bc5 50.g4 Bb4 51.g5 Bc3 52.Kg4 Kg8 53.h4 f6 54.
gxf6 Bxf6 55.h5 gxh5+ 56.Kxh5 Bb2 57.Kg5 Bc1 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.14"]
[Round "5"]
[White "Miles, Anthony John"]
[Black "Fernandez Garcia, Jose Luis"]
[WhiteElo "2545"]
[BlackElo "2390"]
[Result "1-0"]
[ECO "D34"]
[EventDate "1980.06.09"]
[PlyCount "69"]

1.g3 d5 2.Nf3 c5 3.Bg2 Nc6 4.d4 e6 5.O-O Nf6 6.c4 Be7 7.cxd5 exd5 8.Nc3 
O-O 9.Be3 Bg4 10.h3 Bxf3 11.Bxf3 Qd7 12.dxc5 Rad8 13.Bd4 Qxh3 14.Bg2 Qh5 
15.Bxf6 Bxf6 16.e3 Qg5 17.Nxd5 Bxb2 18.Rb1 Nb4 19.e4 Ba3 20.Qd4 Nxd5 21.
exd5 Qe7 22.Rb5 Rc8 23.d6 Qf6 24.Qe3 a6 25.Bxb7 axb5 26.Bxc8 Bb2 27.d7 Bd4
28.Qa3 Qc6 29.Qa5 Qf3 30.d8=Q Qxg3+ 31.Kh1 Qf3+ 32.Kh2 Qf4+ 33.Kg2 Qe4+ 
34.f3 Qg6+ 35.Bg4 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.14"]
[Round "5"]
[White "Petrosian, Tigran"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2615"]
[BlackElo "2545"]
[Result "1-0"]
[ECO "D02"]
[EventDate "1980.06.09"]
[PlyCount "99"]

1.Nf3 c5 2.g3 d5 3.Bg2 Nc6 4.d4 Nf6 5.O-O Bg4 6.dxc5 e5 7.c4 Bxc5 8.cxd5 
Qxd5 9.Nc3 Qxd1 10.Rxd1 h6 11.Na4 Be7 12.Be3 e4 13.Nd4 Nxd4 14.Rxd4 Bxe2 
15.Nc3 Bf3 16.Nxe4 Bxg2 17.Kxg2 O-O 18.Rad1 a6 19.Nd6 Rfd8 20.Nf5 Kf8 21.
Nxe7 Rxd4 22.Bxd4 Kxe7 23.Bc5+ Ke6 24.Rd6+ Kf5 25.Bd4 Rc8 26.Bxf6 gxf6 27.
Rb6 Rc7 28.Kh3 Kg5 29.f4+ Kf5 30.Kh4 Kg6 31.Kg4 Rd7 32.f5+ Kg7 33.h4 Rd4+ 
34.Kf3 Rd3+ 35.Kf4 Rd4+ 36.Ke3 Rd5 37.Ke4 Re5+ 38.Kf4 Re7 39.h5 Rc7 40.Ke3
Rc5 41.g4 Re5+ 42.Kd4 Re2 43.Rxb7 Rg2 44.Kc5 Rxg4 45.b4 Rg5 46.a4 Rxf5+ 
47.Kb6 Re5 48.Kxa6 f5 49.b5 f4 50.Rc7 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.15"]
[Round "6"]
[White "Andersson, Ulf"]
[Black "Dominguez Sanz, Juan Pedro"]
[WhiteElo "2590"]
[BlackElo "2295"]
[Result "1-0"]
[ECO "E03"]
[EventDate "1980.06.09"]
[PlyCount "59"]

1.Nf3 Nf6 2.c4 e6 3.d4 d5 4.g3 dxc4 5.Qa4+ Nbd7 6.Qxc4 c5 7.Bg2 a6 8.Qc2 
cxd4 9.Nxd4 Bb4+ 10.Bd2 Qb6 11.Nb3 a5 12.O-O a4 13.Bxb4 Qxb4 14.N3d2 O-O 
15.Nc3 Ne5 16.a3 Qa5 17.Rfd1 Qc7 18.Nde4 Bd7 19.Nxf6+ gxf6 20.Rd4 Rfc8 21.
Qd2 Be8 22.Qh6 Ng6 23.h4 f5 24.h5 Ne7 25.Qf6 Ra5 26.Rad1 Kf8 27.Qh6+ Kg8 
28.Rd6 Rc5 29.Qf6 Kf8 30.h6 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.15"]
[Round "6"]
[White "Garcia Gonzales, Guillermo"]
[Black "Miles, Anthony John"]
[WhiteElo "2505"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "A40"]
[EventDate "1980.06.09"]
[PlyCount "84"]

1.c4 b6 2.d4 Bb7 3.Bg5 Nf6 4.Bxf6 exf6 5.Nc3 Bb4 6.Rc1 O-O 7.a3 Bxc3+ 8.
Rxc3 d5 9.c5 Ba6 10.Nf3 Re8 11.Qc2 Re7 12.g4 bxc5 13.Rxc5 Nd7 14.Rc3 c5 
15.e3 Bxf1 16.Kxf1 c4 17.b3 Nb6 18.Nd2 Rc8 19.Kg2 Rec7 20.Rc1 Rc6 21.Qf5 
g6 22.Qf4 a5 23.a4 Qd7 24.h4 cxb3 25.Rxc6 Rxc6 26.Rxc6 Qxc6 27.Nxb3 Nxa4 
28.h5 Qb6 29.h6 Kf8 30.Nc5 Nxc5 31.dxc5 Qc6 32.Qd4 Ke7 33.f3 a4 34.Qb4 Kd7
35.Qa5 Ke7 36.Qa7+ Ke6 37.Kg3 g5 38.f4 gxf4+ 39.exf4 d4 40.f5+ Kd5 41.
Qxf7+ Kxc5 42.Qxh7 Qd6+ 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.15"]
[Round "6"]
[White "Hernandez Onna, Roman"]
[Black "Gonzalez Mestres, Luis"]
[WhiteElo "2460"]
[BlackElo "2360"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1980.06.09"]
[PlyCount "66"]

1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.Nc3 e6 6.O-O Be7 7.d4 cxd4 8.Qxd4 
Nc6 9.Qf4 d6 10.Rd1 a6 11.b3 Qc7 12.Bb2 Rd8 13.Rac1 Qb8 14.e4 O-O 15.h3 
Ba8 16.Qe3 Rfe8 17.Qe2 Nd7 18.Nh2 Bf6 19.Ng4 Bd4 20.Rd2 Nde5 21.Ne3 b5 22.
cxb5 axb5 23.Nxb5 Bxb2 24.Rxb2 Nb4 25.Rd2 d5 26.Rcd1 Nbd3 27.Rxd3 Qxb5 28.
a4 Qb6 29.R3d2 Qxb3 30.exd5 exd5 31.Nxd5 Bxd5 32.Rxd5 Rxd5 33.Rxd5 Qxa4 
1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.15"]
[Round "6"]
[White "Lopez Colon, Francisco"]
[Black "Geller, Efim"]
[BlackElo "2565"]
[Result "0-1"]
[ECO "E73"]
[EventDate "1980.06.09"]
[PlyCount "64"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 Nbd7 7.Qd2 c6 8.f4 e5 
9.fxe5 dxe5 10.d5 Nc5 11.Bf3 Qa5 12.Rc1 cxd5 13.cxd5 b5 14.Be3 b4 15.Bxc5 
Qxc5 16.Na4 Qa5 17.b3 Bd7 18.Rc5 Qd8 19.Qxb4 Ng4 20.Nb2 Qh4+ 21.g3 Qg5 22.
Bxg4 Qxg4 23.Nd3 Rfc8 24.Qc4 Bb5 25.Qxb5 Qxe4+ 26.Kf1 Qxh1 27.d6 Rxc5 28.
Nxc5 Qd5 29.Qb7 Qxb7 30.Nxb7 Rb8 31.d7 Bf6 32.Nd6 Rd8 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.15"]
[Round "6"]
[White "Petrosian, Tigran"]
[Black "Bellon Lopez, Juan Manuel"]
[WhiteElo "2615"]
[BlackElo "2430"]
[Result "1/2-1/2"]
[ECO "D14"]
[EventDate "1980.06.09"]
[PlyCount "38"]

1.c4 c6 2.d4 d5 3.cxd5 cxd5 4.Nc3 Nc6 5.Nf3 Nf6 6.Bf4 Bf5 7.e3 e6 8.Bb5 
Nd7 9.Qa4 Qb6 10.Nh4 Be4 11.O-O Be7 12.f3 Bg6 13.Nxg6 hxg6 14.Rf2 Rc8 15.
Rd1 a6 16.Bf1 O-O 17.a3 Nf6 18.g4 Rfd8 19.Na2 Ne8 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.15"]
[Round "6"]
[White "Sosonko, Gennadi"]
[Black "Fernandez Garcia, Jose Luis"]
[WhiteElo "2545"]
[BlackElo "2390"]
[Result "1-0"]
[ECO "D98"]
[EventDate "1980.06.09"]
[PlyCount "35"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Nc6 8.Be2 
Bg4 9.d5 Na5 10.Qb4 c6 11.e5 c5 12.Qf4 Nxd5 13.Qxg4 Nxc3 14.bxc3 Nc6 15.
Qe4 Qa5 16.O-O Rad8 17.Rb1 Rd7 18.e6 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.16"]
[Round "7"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2430"]
[BlackElo "2545"]
[Result "1-0"]
[ECO "D01"]
[EventDate "1980.06.09"]
[PlyCount "87"]

1.d4 Nf6 2.Nc3 d5 3.Bg5 c6 4.f3 Nbd7 5.Qd2 e5 6.dxe5 Nxe5 7.e4 Be7 8.f4 
Ng6 9.exd5 O-O 10.O-O-O cxd5 11.Nge2 Qa5 12.h4 h6 13.h5 hxg5 14.hxg6 fxg6 
15.Kb1 g4 16.g3 Bf5 17.Bg2 Bb4 18.a3 Bxc3 19.Nxc3 Rad8 20.Nxd5 Qxd2 21.
Rxd2 Ne4 22.Bxe4 Bxe4 23.Rhd1 Kf7 24.Ne3 Rxd2 25.Rxd2 Bf3 26.Nc4 Rh8 27.
Ne5+ Ke6 28.Nxf3 gxf3 29.Rf2 Kf5 30.Rxf3 Kg4 31.Rd3 Rh3 32.Rd7 Rxg3 33.
Rxb7 Kxf4 34.Rxa7 g5 35.Rxg7 g4 36.a4 Rh3 37.a5 Rh6 38.b4 g3 39.Kb2 Kf3 
40.b5 Rh4 41.b6 Rb4+ 42.Ka3 Rb1 43.b7 g2 44.a6 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.16"]
[Round "7"]
[White "Dominguez Sanz, Juan Pedro"]
[Black "Petrosian, Tigran"]
[WhiteElo "2295"]
[BlackElo "2615"]
[Result "0-1"]
[ECO "C16"]
[EventDate "1980.06.09"]
[PlyCount "60"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 b6 5.a3 Bf8 6.f4 h5 7.Nf3 Nh6 8.Be3 c5 9.
Bb5+ Bd7 10.Bxd7+ Qxd7 11.Ne2 Be7 12.c3 a5 13.h3 Nf5 14.Bf2 a4 15.g3 Nc6 
16.Kf1 Na5 17.Kg2 Nc4 18.Qc1 Qb5 19.Re1 Qxb2 20.Qxb2 Nxb2 21.g4 Nh6 22.Rh1
Nc4 23.Ng3 hxg4 24.hxg4 Kd7 25.Nh2 cxd4 26.Bxd4 Bxa3 27.g5 Ng8 28.Bxb6 Ne7
29.Bd4 Bb2 30.Ra2 a3 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.16"]
[Round "7"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Garcia Gonzales, Guillermo"]
[WhiteElo "2390"]
[BlackElo "2505"]
[Result "1/2-1/2"]
[ECO "B52"]
[EventDate "1980.06.09"]
[PlyCount "29"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 Nc6 6.O-O Ne5 7.d3 g6 8.Nc3 
Bg7 9.Nxe5 Bxe5 10.Be3 f5 11.d4 cxd4 12.Bxd4 Bxd4 13.Qxd4 Nf6 14.e5 dxe5 
15.Qxe5 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.16"]
[Round "7"]
[White "Geller, Efim"]
[Black "Hernandez Onna, Roman"]
[WhiteElo "2565"]
[BlackElo "2460"]
[Result "1-0"]
[ECO "C98"]
[EventDate "1980.06.09"]
[PlyCount "79"]

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 Qc7 12.Nbd2 Nc6 13.d5 Na7 14.Nf1 Bd7 15.a4 Rfb8 
16.Ng3 Nc8 17.a5 c4 18.Bd2 Bf8 19.Nh2 Ne7 20.Bg5 Ne8 21.Qd2 Qb7 22.b4 cxb3
23.Bxb3 Rc8 24.Rec1 h6 25.Be3 f5 26.exf5 Nxf5 27.Nxf5 Bxf5 28.Nf1 Nf6 29.
Ng3 Bg6 30.c4 bxc4 31.Bxc4 Be7 32.Ba2 Rxc1+ 33.Rxc1 Qb5 34.Rc6 Qd3 35.Bc4 
Qxd2 36.Bxd2 Bf7 37.Nf5 Bd8 38.Nxd6 Bxd5 39.Rxa6 Rxa6 40.Bxa6 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.16"]
[Round "7"]
[White "Gonzalez Mestres, Luis"]
[Black "Andersson, Ulf"]
[WhiteElo "2360"]
[BlackElo "2590"]
[Result "0-1"]
[ECO "E12"]
[EventDate "1980.06.09"]
[PlyCount "48"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 c5 5.d5 Ba6 6.Qc2 exd5 7.cxd5 g6 8.g3 Bg7 
9.Bg2 O-O 10.O-O Nxd5 11.Nh4 Nc7 12.Bxa8 Nxa8 13.Nc3 d5 14.Bf4 d4 15.Rad1 
Nc7 16.Rfe1 Ne6 17.Bc1 Nc6 18.b4 Ne5 19.Qa4 Bb7 20.bxc5 Qc8 21.Nb1 Nxc5 
22.Qb4 d3 23.e4 a5 24.Qxb6 Nc4 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.16"]
[Round "7"]
[White "Miles, Anthony John"]
[Black "Lopez Colon, Francisco"]
[WhiteElo "2545"]
[Result "1-0"]
[ECO "A21"]
[EventDate "1980.06.09"]
[PlyCount "113"]

1.c4 e5 2.Nc3 d6 3.d4 exd4 4.Qxd4 Nc6 5.Qd2 Nf6 6.b3 Bf5 7.f3 Be7 8.e4 Be6
9.Bd3 Nd7 10.Nge2 Bh4+ 11.Ng3 Bf6 12.Bb2 Nc5 13.O-O O-O 14.Rad1 a5 15.Nd5 
Bxb2 16.Qxb2 Bxd5 17.cxd5 Nb4 18.Bb1 Qe7 19.f4 f6 20.a3 Nba6 21.b4 axb4 
22.axb4 Nd7 23.Nf5 Qe8 24.Nd4 Rf7 25.Bd3 Nf8 26.Ra1 f5 27.Rfe1 fxe4 28.
Rxe4 Qc8 29.Ne6 c5 30.Rc1 b6 31.Bb5 Nxe6 32.dxe6 Re7 33.f5 Qf8 34.Rf1 Qf6 
35.Qxf6 gxf6 36.Rg4+ Kh8 37.Ra1 Nc7 38.Rxa8+ Nxa8 39.bxc5 bxc5 40.Ra4 Nc7 
41.Bc6 Kg7 42.Kf2 Kh6 43.h4 Kh5 44.Ra7 Kxh4 45.Rxc7 Rxc7 46.Bd7 Kg5 47.e7 
Rxd7 48.e8=Q Ra7 49.Qe6 Ra4 50.g3 Rd4 51.Kf3 Rd3+ 52.Kg2 Rd4 53.Kh3 h5 54.
Qd7 h4 55.Qg7+ Kxf5 56.gxh4 c4 57.h5 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.17"]
[Round "8"]
[White "Andersson, Ulf"]
[Black "Geller, Efim"]
[WhiteElo "2590"]
[BlackElo "2565"]
[Result "1/2-1/2"]
[ECO "E05"]
[EventDate "1980.06.09"]
[PlyCount "91"]

1.Nf3 Nf6 2.c4 e6 3.g3 Be7 4.Bg2 O-O 5.d4 d5 6.O-O dxc4 7.Qc2 a6 8.Qxc4 b5
9.Qc2 Bb7 10.Bf4 Nc6 11.Rd1 Nb4 12.Qc1 Rc8 13.Nc3 Nbd5 14.Nxd5 Bxd5 15.Be3
g6 16.Ne1 Bxg2 17.Kxg2 Nd5 18.f3 Nxe3+ 19.Qxe3 Qd5 20.Qb3 Rfd8 21.Rac1 c6 
22.Qxd5 Rxd5 23.f4 c5 24.dxc5 Rxd1 25.Rxd1 Rxc5 26.Kf3 Bf6 27.Rd6 a5 28.
Nd3 Rc2 29.Rb6 b4 30.Rb5 Bxb2 31.Rxa5 Bc3 32.g4 Kg7 33.Ra4 h6 34.h4 h5 35.
g5 Rd2 36.Ra7 Kf8 37.Nc5 Rd1 38.Ra8+ Kg7 39.Ra7 Kg8 40.Ra8+ Kg7 41.e3 e5 
42.fxe5 Bxe5 43.Ra7 Bc3 44.Ne4 Kg8 45.Ra8+ Kg7 46.Ra7 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.17"]
[Round "8"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Dominguez Sanz, Juan Pedro"]
[WhiteElo "2430"]
[BlackElo "2295"]
[Result "1-0"]
[ECO "D00"]
[EventDate "1980.06.09"]
[PlyCount "49"]

1.Nc3 d5 2.d4 Bf5 3.f3 e6 4.e4 dxe4 5.fxe4 Bg6 6.Nf3 Bb4 7.Bd3 c5 8.dxc5 
Nc6 9.Be3 Qa5 10.Nd2 Ne5 11.Bd4 f6 12.Nb3 Nxd3+ 13.cxd3 Qa6 14.Qc2 Ne7 15.
a3 Bxc3+ 16.Bxc3 O-O 17.O-O e5 18.Nc1 Rac8 19.b4 b6 20.d4 f5 21.Qe2 Qb7 
22.dxe5 fxe4 23.Qc4+ Kh8 24.Ne2 Nd5 25.c6 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.17"]
[Round "8"]
[White "Hernandez Onna, Roman"]
[Black "Miles, Anthony John"]
[WhiteElo "2460"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "B24"]
[EventDate "1980.06.09"]
[PlyCount "50"]

1.e4 c5 2.Nc3 Nc6 3.g3 Rb8 4.Nf3 g6 5.Bg2 Bg7 6.O-O b5 7.d3 d6 8.Nh4 b4 9.
Nd5 e6 10.Ne3 Nge7 11.a3 a5 12.axb4 axb4 13.f4 f5 14.g4 O-O 15.exf5 exf5 
16.gxf5 gxf5 17.Qh5 Bd7 18.Nd5 Qe8 19.Qxe8 Rbxe8 20.Ra6 Nb8 21.Nxe7+ Rxe7 
22.Rxd6 Re2 23.c3 bxc3 24.bxc3 Bxc3 25.Ba3 Bd4+ 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.17"]
[Round "8"]
[White "Lopez Colon, Francisco"]
[Black "Fernandez Garcia, Jose Luis"]
[BlackElo "2390"]
[Result "0-1"]
[ECO "D93"]
[EventDate "1980.06.09"]
[PlyCount "58"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Rc1 c5 7.dxc5 Qa5 8.cxd5 
Ne4 9.Nf3 Nxc3 10.Qd2 Qxa2 11.bxc3 Qa5 12.Be5 Bxe5 13.Nxe5 Nd7 14.Nc4 Qxc5
15.Qd4 b6 16.Qxc5 Nxc5 17.Nd2 Bb7 18.c4 e6 19.dxe6 fxe6 20.h4 Rad8 21.f4 
e5 22.fxe5 Rf5 23.Nf3 Bxf3 24.gxf3 Rxf3 25.Ke2 Rf5 26.e6 Nd3 27.Bh3 Rf2+ 
28.Kd1 Ne5+ 29.Ke1 Rdd2 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.17"]
[Round "8"]
[White "Petrosian, Tigran"]
[Black "Gonzalez Mestres, Luis"]
[WhiteElo "2615"]
[BlackElo "2360"]
[Result "1-0"]
[ECO "E48"]
[EventDate "1980.06.09"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 d5 6.Ne2 cxd4 7.exd4 dxc4 8.Bxc4 
O-O 9.O-O Nbd7 10.a3 Be7 11.Ba2 Nb6 12.Nf4 Bd7 13.Re1 Bd6 14.Nd3 Bc6 15.
Bg5 Nbd5 16.Nxd5 exd5 17.Qf3 Be7 18.Re5 Re8 19.Rae1 Qd7 20.h3 h6 21.Bh4 
Rad8 22.Rf5 Qc8 23.Ne5 Rd6 24.Nxc6 bxc6 25.Rfe5 Re6 26.Rxe6 fxe6 27.Bb1 c5
28.dxc5 Qxc5 29.Bg6 Rb8 30.b4 Qc6 31.Qe3 Rb6 32.Rc1 Qd7 33.Qc3 Bd8 34.Qc8 
Rb7 35.Bg3 Kf8 36.Qc5+ Be7 37.Qc2 Bd8 38.Be5 Ne8 39.Bxe8 Kxe8 40.Qh7 Qf7 
41.Rc3 h5 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.17"]
[Round "8"]
[White "Sosonko, Gennadi"]
[Black "Garcia Gonzales, Guillermo"]
[WhiteElo "2545"]
[BlackElo "2505"]
[Result "1-0"]
[ECO "A62"]
[EventDate "1980.06.09"]
[PlyCount "69"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 d6 6.Bg2 g6 7.Nc3 Bg7 8.Nf3 O-O 
9.O-O Na6 10.h3 Re8 11.Nd2 Nc7 12.Nc4 b5 13.Nxd6 Qxd6 14.Bf4 Qd7 15.d6 Ne6
16.Bxa8 Nxf4 17.gxf4 b4 18.Na4 Qxh3 19.Qb3 Qg4+ 20.Bg2 Qxf4 21.Rad1 Re5 
22.Qg3 Qxg3 23.fxg3 Bd7 24.b3 Kf8 25.Rf4 Nh5 26.Rc4 Bh6 27.Bf3 Ng7 28.Rd5 
Rxd5 29.Bxd5 Bxa4 30.bxa4 Nf5 31.Kh2 Nxd6 32.Rxc5 Be3 33.Rc7 Kg7 34.Kg2 h5
35.a5 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.19"]
[Round "9"]
[White "Dominguez Sanz, Juan Pedro"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2295"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "B25"]
[EventDate "1980.06.09"]
[PlyCount "82"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 Nf6 6.Nh3 d6 7.O-O O-O 8.Rb1 Bd7 
9.Nf4 Rc8 10.h3 Nd4 11.Be3 e6 12.Kh2 b5 13.Qd2 b4 14.Nd1 Rb8 15.c3 bxc3 
16.Nxc3 Qa5 17.Nfe2 Nxe2 18.Qxe2 Rb4 19.Bd2 Qa6 20.Rfc1 Bc6 21.Bf1 Nd7 22.
b3 Rbb8 23.f4 Bd4 24.Be3 Rb4 25.Rc2 Rfb8 26.Bd2 R4b6 27.Nd1 Re8 28.Be3 Bb5
29.Rbc1 Qa3 30.Qf2 e5 31.f5 d5 32.g4 Qa6 33.exd5 Bxd3 34.Bxd3 Qxd3 35.Bxd4
exd4 36.Nb2 Qe4 37.Qg2 Qf4+ 38.Kh1 Re3 39.Rf1 Qh6 40.Kh2 Rb8 41.Nc4 Ree8 
1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.19"]
[Round "9"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Hernandez Onna, Roman"]
[WhiteElo "2390"]
[BlackElo "2460"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1980.06.09"]
[PlyCount "82"]

1.e4 c5 2.Nf3 Nc6 3.b4 cxb4 4.d4 e6 5.a3 d5 6.e5 bxa3 7.c3 Bd7 8.Nxa3 a6 
9.Bd3 b5 10.O-O Nge7 11.Bxb5 Ng6 12.Bd3 Be7 13.Qe2 O-O 14.Bd2 Na5 15.Rfb1 
Qc8 16.h4 Re8 17.h5 Nf8 18.h6 g6 19.c4 Nxc4 20.Nxc4 dxc4 21.Bxc4 Bc6 22.
Bb4 a5 23.Bxe7 Rxe7 24.Ng5 Qd8 25.Qe3 a4 26.Qf4 Nd7 27.Bb5 Bxb5 28.Rxb5 a3
29.Rb3 a2 30.Rb2 Qc7 31.Rbxa2 Rxa2 32.Rxa2 f5 33.Ra8+ Nf8 34.Ne4 Qb7 35.
Nf6+ Kf7 36.Rd8 Qb1+ 37.Kh2 Ra7 38.Qg5 Ra1 39.Nd5 Qh1+ 40.Kg3 Ra3+ 41.Ne3 
Kg8 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.19"]
[Round "9"]
[White "Garcia Gonzales, Guillermo"]
[Black "Lopez Colon, Francisco"]
[WhiteElo "2505"]
[Result "1-0"]
[ECO "A01"]
[EventDate "1980.06.09"]
[PlyCount "43"]

1.c4 e5 2.b3 Nc6 3.Bb2 d6 4.e3 e4 5.Nc3 Nf6 6.f3 exf3 7.Nxf3 Bf5 8.Be2 Ne5
9.O-O Qd7 10.Nxe5 dxe5 11.Nb5 Bd6 12.c5 Bxc5 13.Nxc7+ Qxc7 14.Rxf5 O-O 15.
Rc1 Qd6 16.Bxe5 Qe6 17.Qf1 Ne4 18.d4 Bb6 19.Bc4 Qe7 20.Qf4 Qa3 21.Rf1 Nd2 
22.Qg5 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.19"]
[Round "9"]
[White "Geller, Efim"]
[Black "Petrosian, Tigran"]
[WhiteElo "2565"]
[BlackElo "2615"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1980.06.09"]
[PlyCount "24"]

1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 e6 5.O-O Be7 6.d4 O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 c5 10.Rd1 d6 11.Be3 Nd7 12.Rac1 Qc7 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.19"]
[Round "9"]
[White "Gonzalez Mestres, Luis"]
[Black "Bellon Lopez, Juan Manuel"]
[WhiteElo "2360"]
[BlackElo "2430"]
[Result "1/2-1/2"]
[ECO "B10"]
[EventDate "1980.06.09"]
[PlyCount "80"]

1.c4 c6 2.e4 d5 3.cxd5 cxd5 4.exd5 a6 5.Nc3 Nf6 6.Qa4+ Nbd7 7.Bb5 g6 8.d4 
Bg7 9.Bg5 O-O 10.Bxd7 Bxd7 11.Qb3 Qa5 12.Ne2 b5 13.a3 b4 14.Qxb4 Qxb4 15.
axb4 Rfb8 16.O-O Rxb4 17.Ra2 Bf5 18.d6 Be6 19.Bxf6 exf6 20.d5 Bc8 21.Re1 
f5 22.Nc1 Kf8 23.Nd3 Rb6 24.Ne5 Bxe5 25.Rxe5 Rxd6 26.f4 Rb8 27.Kf2 Rb4 28.
g3 Bb7 29.Re2 f6 30.Rd2 g5 31.Ke3 Rd8 32.Rd4 Rb3 33.Kd2 a5 34.Kc2 Rb4 35.
Ra4 Rxd4 36.Rxd4 Ke7 37.Ra4 Ra8 38.Kd3 h5 39.Kd4 Kd6 40.Nb5+ Kd7 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.19"]
[Round "9"]
[White "Miles, Anthony John"]
[Black "Andersson, Ulf"]
[WhiteElo "2545"]
[BlackElo "2590"]
[Result "1-0"]
[ECO "A04"]
[EventDate "1980.06.09"]
[PlyCount "67"]

1.g3 c5 2.Bg2 Nc6 3.Nf3 g6 4.c3 Bg7 5.d4 cxd4 6.cxd4 d5 7.Nc3 e6 8.Bf4 
Nge7 9.Qd2 O-O 10.Bh6 Bxh6 11.Qxh6 Nf5 12.Qd2 b6 13.Rd1 Ba6 14.h4 Na5 15.
g4 Nd6 16.h5 Qf6 17.hxg6 fxg6 18.Qh6 Rf7 19.g5 Qg7 20.Ne5 Qxh6 21.Rxh6 
Rff8 22.Nd7 Rf7 23.Nf6+ Kh8 24.Bh3 Bc8 25.Kd2 Rg7 26.f4 Rb8 27.Rh1 Nac4+ 
28.Kd3 Rbb7 29.b3 Na3 30.e4 dxe4+ 31.Ncxe4 Nxe4 32.Kxe4 Nb5 33.Ke5 Rbe7 
34.Bf1 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.20"]
[Round "10"]
[White "Andersson, Ulf"]
[Black "Fernandez Garcia, Jose Luis"]
[WhiteElo "2590"]
[BlackElo "2390"]
[Result "1-0"]
[ECO "D34"]
[EventDate "1980.06.09"]
[PlyCount "65"]

1.Nf3 d5 2.d4 e6 3.c4 c5 4.cxd5 exd5 5.g3 Nc6 6.Bg2 Nf6 7.O-O Be7 8.dxc5 
Bxc5 9.Bg5 O-O 10.Nc3 Be7 11.Qa4 Be6 12.Rad1 Qb6 13.Bxf6 Bxf6 14.Nxd5 Bxd5
15.Rxd5 a6 16.b3 Rad8 17.Rfd1 Qb4 18.Rxd8 Rxd8 19.Rxd8+ Bxd8 20.Qxb4 Nxb4 
21.a4 Nc2 22.e3 Bf6 23.Nd2 b5 24.axb5 axb5 25.Bc6 b4 26.Kf1 Bc3 27.Ke2 f5 
28.Bb5 g6 29.Bd3 Na3 30.h3 Kg7 31.g4 fxg4 32.hxg4 h5 33.g5 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.20"]
[Round "10"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Geller, Efim"]
[WhiteElo "2430"]
[BlackElo "2565"]
[Result "0-1"]
[ECO "B70"]
[EventDate "1980.06.09"]
[PlyCount "86"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Nb3 g6 7.g3 Bg7 8.Bg2 
O-O 9.O-O a5 10.a4 Bg4 11.f3 Be6 12.Be3 d5 13.Rf2 dxe4 14.Nc5 Qc8 15.N5xe4
Nxe4 16.fxe4 Ne5 17.Bd4 Bg4 18.Qd2 Nc4 19.Nd5 Nxd2 20.Nxe7+ Kh8 21.Bxg7+ 
Kxg7 22.Nxc8 Nc4 23.Ne7 Nxb2 24.Nd5 Nc4 25.Rb1 Rab8 26.Bf1 Rfc8 27.Nb6 
Nxb6 28.Rxb6 Bd7 29.Bb5 Bxb5 30.Rxb5 b6 31.Rd5 Rb7 32.Rd4 Rc3 33.Rfd2 Re7 
34.Kf2 Rec7 35.h4 Rxc2 36.Rxc2 Rxc2+ 37.Kf3 Rb2 38.Rd6 h5 39.Kf4 Rb4 40.
Rc6 f5 41.Kg5 fxe4 42.Rxg6+ Kf7 43.Rf6+ Ke7 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.20"]
[Round "10"]
[White "Dominguez Sanz, Juan Pedro"]
[Black "Gonzalez Mestres, Luis"]
[WhiteElo "2295"]
[BlackElo "2360"]
[Result "1-0"]
[ECO "B42"]
[EventDate "1980.06.09"]
[PlyCount "71"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Ne7 6.O-O Nec6 7.Be3 g6 8.Nd2 
Bg7 9.c3 O-O 10.Nxc6 bxc6 11.Bc5 d6 12.Ba3 c5 13.Qe2 Nc6 14.f4 Ne7 15.Rad1
Qc7 16.Nc4 a5 17.e5 dxe5 18.Nxe5 Nd5 19.g3 Bb7 20.Bb5 Rfd8 21.Qf2 Rac8 22.
Rfe1 h5 23.Bf1 h4 24.Bh3 hxg3 25.hxg3 Bxe5 26.fxe5 Nb4 27.Qf6 Rxd1 28.Rxd1
Nd5 29.Qg5 c4 30.Rd4 Qb6 31.Bg2 Nb4 32.Bxb7 Qxb7 33.Bxb4 axb4 34.Qf6 Qa7 
35.Kh2 Qxa2 36.Rh4 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.20"]
[Round "10"]
[White "Hernandez Onna, Roman"]
[Black "Garcia Gonzales, Guillermo"]
[WhiteElo "2460"]
[BlackElo "2505"]
[Result "1/2-1/2"]
[ECO "D26"]
[EventDate "1980.06.09"]
[PlyCount "19"]

1.c4 c5 2.Nc3 Nc6 3.Nf3 e6 4.e3 Nf6 5.d4 d5 6.a3 cxd4 7.exd4 dxc4 8.Bxc4 
Be7 9.O-O O-O 10.Re1 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.20"]
[Round "10"]
[White "Petrosian, Tigran"]
[Black "Miles, Anthony John"]
[WhiteElo "2615"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "E21"]
[EventDate "1980.06.09"]
[PlyCount "36"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.d4 Bb4 5.Bd2 Bb7 6.e3 O-O 7.Be2 Bxc3 8.Bxc3 
Ne4 9.Rc1 d6 10.O-O Nxc3 11.Rxc3 Nd7 12.Nd2 c5 13.Bf3 Bxf3 14.Qxf3 Nf6 15.
Ne4 Nxe4 16.Qxe4 d5 17.Qf4 cxd4 18.Qxd4 dxc4 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.20"]
[Round "10"]
[White "Sosonko, Gennadi"]
[Black "Lopez Colon, Francisco"]
[WhiteElo "2545"]
[Result "1-0"]
[ECO "D34"]
[EventDate "1980.06.09"]
[PlyCount "99"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O c5 7.cxd5 exd5 8.Nc3 
Nc6 9.Bg5 cxd4 10.Nxd4 Qb6 11.Nb3 d4 12.Bxf6 Bxf6 13.Nd5 Qd8 14.Nxf6+ Qxf6
15.Bxc6 Qxc6 16.Nxd4 Qe4 17.Re1 Bh3 18.Nf3 Rfd8 19.Qb3 h6 20.Rac1 Rac8 21.
Qe3 Qxe3 22.fxe3 Re8 23.Kf2 Be6 24.a3 Red8 25.e4 Kf8 26.Ke3 Re8 27.Rxc8 
Rxc8 28.Nd4 Ke7 29.Rd1 Bh3 30.Kf4 Bd7 31.h4 Ba4 32.Nf5+ Kf8 33.Rd4 Be8 34.
Rd2 Bc6 35.e5 Re8 36.Rd4 Kg8 37.h5 a6 38.g4 Kf8 39.Rd6 Rc8 40.Nd4 Ke7 41.
e4 Be8 42.Nf5+ Kf8 43.e6 fxe6 44.Rxe6 Bd7 45.Rb6 Bxf5 46.gxf5 Rc7 47.f6 
Kg8 48.fxg7 Rf7+ 49.Ke5 Rxg7 50.Rg6 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.21"]
[Round "11"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Petrosian, Tigran"]
[WhiteElo "2390"]
[BlackElo "2615"]
[Result "0-1"]
[ECO "B05"]
[EventDate "1980.06.09"]
[PlyCount "90"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.c4 Nb6 8.h3 Bh5 
9.Nc3 O-O 10.Be3 d5 11.cxd5 exd5 12.Ne1 Bxe2 13.Qxe2 Nc6 14.f4 f5 15.Nd3 
Qd7 16.Rad1 Nd8 17.Kh2 c6 18.g4 Ne6 19.Qg2 g6 20.Ne2 Ng7 21.b3 Rad8 22.Bd2
Na8 23.Bb4 Bxb4 24.Nxb4 Nc7 25.Nd3 Nce6 26.g5 Kf7 27.Qf2 Rh8 28.Qh4 Qe7 
29.Qh6 Rdg8 30.Ng1 Ke8 31.Nf3 Nh5 32.Nh4 Rf8 33.b4 Kd8 34.Ng2 Nxd4 35.Nc5 
Ne6 36.Nxe6+ Qxe6 37.Ne3 Kc8 38.Rd4 Rd8 39.Rc1 Kb8 40.Rcd1 Rd7 41.Nf1 b6 
42.Ng3 Nxg3 43.Kxg3 c5 44.bxc5 bxc5 45.R4d2 c4 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.21"]
[Round "11"]
[White "Garcia Gonzales, Guillermo"]
[Black "Andersson, Ulf"]
[WhiteElo "2505"]
[BlackElo "2590"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1980.06.09"]
[PlyCount "27"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O Nc6 7.d4 Nxd4 8.Nxd4 
Bxg2 9.Kxg2 cxd4 10.Qxd4 Qc7 11.b3 a6 12.Bb2 Qb7+ 13.f3 Bc5 14.Qd3 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.21"]
[Round "11"]
[White "Geller, Efim"]
[Black "Dominguez Sanz, Juan Pedro"]
[WhiteElo "2565"]
[BlackElo "2295"]
[Result "1-0"]
[ECO "A17"]
[EventDate "1980.06.09"]
[PlyCount "51"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4 6.O-O O-O 7.d3 Re8 8.e4 e5 
9.Nh4 Bf8 10.Nf5 d6 11.Bg5 h6 12.Be3 Kh7 13.g4 g6 14.Ng3 g5 15.Nf5 Ng8 16.
h4 Nd7 17.hxg5 hxg5 18.Qf3 Re6 19.Qh3+ Nh6 20.Rad1 c5 21.Bf3 Kg8 22.Kg2 
Nxf5 23.exf5 Rh6 24.Qg3 Bxf3+ 25.Qxf3 Rh4 26.Ne4 1-0


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.21"]
[Round "11"]
[White "Gonzalez Mestres, Luis"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2360"]
[BlackElo "2545"]
[Result "0-1"]
[ECO "E24"]
[EventDate "1980.06.09"]
[PlyCount "98"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 c5 5.a3 Bxc3+ 6.bxc3 Qa5 7.Bd2 d6 8.e4 Nc6
9.Bd3 e5 10.Ne2 Qc7 11.d5 Na5 12.Ng3 b6 13.O-O Ba6 14.f4 Nd7 15.Qa4 O-O-O 
16.Nf5 g6 17.Ne7+ Kb7 18.Rab1 Rde8 19.Nxg6 hxg6 20.Qxa5 f5 21.Qa4 exf4 22.
Rxf4 Ne5 23.Bf1 fxe4 24.Rxe4 g5 25.Rbe1 Qh7 26.h3 Qf5 27.Bd3 Qf6 28.Rf1 
Qg7 29.Rf5 g4 30.Rg5 Qf6 31.Rg6 Qxg6 32.Rxe5 Qf7 33.Qc6+ Kb8 34.Qxd6+ Qc7 
35.Qxc7+ Kxc7 36.Bf4 Ref8 37.Re7+ Kd8 38.Bg5 Kc8 39.Rxa7 Bb7 40.d6 gxh3 
41.d7+ Kb8 42.Rxb7+ Kxb7 43.d8=Q Rxd8 44.Bxd8 Rxd8 45.Be4+ Kc7 46.gxh3 Re8
47.Bd5 Re3 48.Kg2 Kd6 49.h4 Ke5 0-1


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.21"]
[Round "11"]
[White "Lopez Colon, Francisco"]
[Black "Hernandez Onna, Roman"]
[BlackElo "2460"]
[Result "1/2-1/2"]
[ECO "E11"]
[EventDate "1980.06.09"]
[PlyCount "26"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.a3 Bxd2+ 6.Qxd2 d6 7.Nc3 O-O 8.g3 
e5 9.Bg2 a5 10.O-O Re8 11.e3 h6 12.Qc2 e4 13.Nd2 Bf5 1/2-1/2


[Event "9th Las Palmas it"]
[Site "Las Palmas ESP"]
[Date "1980.06.21"]
[Round "11"]
[White "Miles, Anthony John"]
[Black "Bellon Lopez, Juan Manuel"]
[WhiteElo "2545"]
[BlackElo "2430"]
[Result "1-0"]
[ECO "D15"]
[EventDate "1980.06.09"]
[PlyCount "107"]

1.d4 c6 2.c4 d5 3.Nf3 Nf6 4.Nc3 Bf5 5.Qb3 Qb6 6.c5 Qxb3 7.axb3 Nfd7 8.Bf4 
f6 9.e3 e5 10.Bg3 g6 11.b4 Bg7 12.b5 Bg4 13.bxc6 bxc6 14.Be2 f5 15.Nxe5 
Bxe5 16.Bxe5 Nxe5 17.dxe5 Bxe2 18.Kxe2 Nd7 19.Ra6 Rb8 20.Rb1 O-O 21.e6 
Nxc5 22.Rxc6 Ne4 23.Nd1 Rb7 24.Rbc1 Re8 25.Kd3 Ng5 26.Rc8 Kf8 27.R1c7 Rxc7
28.Rxc7 Re7 29.Rc8+ Kg7 30.Kd4 Nxe6+ 31.Kxd5 Ng5 32.Nc3 Rb7 33.f4 Nf7 34.
Na4 Rd7+ 35.Ke6 Rb7 36.Kd5 Rd7+ 37.Ke6 Rb7 38.Nc5 Rxb2 39.Ke7 Rxg2 40.Ne6+
Kh6 41.Kxf7 Rxh2 42.Rh8 Rb2 43.Ng5 Rb7+ 44.Kf6 Rb6+ 45.Ke5 Rb7 46.Kd4 Rd7+
47.Kc4 Rb7 48.Kd3 Rc7 49.Ke2 Rd7 50.Kf3 Re7 51.Rc8 Kg7 52.Rc6 Rb7 53.Ne6+ 
Kh6 54.Rc1 1-0

