[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.03"]
[Round "1"]
[White "Martz, William"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[BlackElo "2420"]
[ECO "E79"]
[EventDate "1972.02.03"]
[PlyCount "87"]

1.c4 g6 2.e4 Bg7 3.d4 d6 4.Nc3 Nf6 5.Be2 O-O 6.f4 c5 7.Nf3 cxd4 8.Nxd4 Nc6
9.Be3 Ng4 10.Bxg4 Bxg4 11.Nxc6 Qd7 12.Nxe7+ Kh8 13.Qd2 Qxe7 14.Bd4 f6 15.
O-O Rac8 16.b3 a6 17.Rae1 Rce8 18.f5 g5 19.Qb2 Rb8 20.a4 Bh5 21.Nd5 Qd8 
22.a5 Be8 23.Ba7 Rc8 24.Bb6 Qd7 25.Rd1 Qf7 26.Qa3 Bc6 27.Qxd6 Rce8 28.Rfe1
Qh5 29.Ne7 Rf7 30.Nxc6 Bf8 31.Qd5 bxc6 32.Qxc6 Rfe7 33.Rd7 Rxd7 34.Qxd7 
Bb4 35.Bd4 Rf8 36.Rf1 Bxa5 37.Qd6 Qf7 38.Qxa6 Bc7 39.Qe6 Kg8 40.Bxf6 Qxe6 
41.fxe6 Bb6+ 42.Kh1 Bc5 43.Rf5 Be3 44.e7 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.03"]
[Round "1"]
[White "Garcia Martinez, Silvino"]
[Black "Palacios de la Prida, Ernesto"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2340"]
[ECO "A41"]
[EventDate "1972.02.03"]
[PlyCount "35"]

1.c4 d6 2.Nc3 g6 3.d4 Bg7 4.Nf3 Nc6 5.d5 Ne5 6.Nd2 f5 7.e3 Nh6 8.f4 Neg4 
9.Nf3 e5 10.fxe5 Bxe5 11.Be2 O-O 12.h3 Nf6 13.Nd4 Bd7 14.Bf3 c6 15.O-O Qe7
16.Rb1 Ne4 17.Bxe4 fxe4 18.b3 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.03"]
[Round "1"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Cordovil, Joao Maria"]
[Result "1/2-1/2"]
[WhiteElo "2325"]
[BlackElo "2290"]
[ECO "B08"]
[EventDate "1972.02.03"]
[PlyCount "72"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3 O-O 6.Bc4 Nxe4 7.Bxf7+ Rxf7 8.
Nxe4 Nc6 9.d5 Ne5 10.Nfg5 Rf8 11.f4 Nc4 12.c3 h6 13.Nf3 c6 14.Qd3 e6 15.
dxc6 bxc6 16.Qxc4 d5 17.Qe2 dxe4 18.Qxe4 Ba6 19.c4 Qa5+ 20.Bd2 Qc5 21.Rc1 
Bxb2 22.Qxg6+ Bg7 23.Ne5 Kh8 24.Rc3 Rf5 25.Rg3 Rxe5+ 26.fxe5 Qxe5+ 27.Kd1 
Qa1+ 28.Bc1 Bxc4 29.Qc2 Rd8+ 30.Ke1 Bd3 31.Rxd3 Rxd3 32.Qxd3 Qxc1+ 33.Qd1 
Qe3+ 34.Qe2 Qc1+ 35.Qd1 Qe3+ 36.Qe2 Qc1+ 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.03"]
[Round "1"]
[White "Durao, Joaquim Manuel"]
[Black "Hecht, Hans-Joachim"]
[Result "0-1"]
[WhiteElo "2280"]
[BlackElo "2470"]
[ECO "B05"]
[EventDate "1972.02.03"]
[PlyCount "120"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Nc6 7.c4 Nb6 8.exd6 
cxd6 9.b3 Be7 10.Bb2 d5 11.c5 Nd7 12.a3 O-O 13.b4 a6 14.Nbd2 Bf6 15.h3 Bh5
16.Re1 b6 17.Qc1 Re8 18.Bxa6 Rxa6 19.b5 Bxf3 20.Nxf3 Ra4 21.bxc6 Nb8 22.
cxb6 Qxb6 23.c7 Nc6 24.Re3 Rc8 25.Rc3 Na5 26.Ne5 Bxe5 27.dxe5 Nc4 28.Rg3 
g6 29.Qg5 Qxc7 30.Bd4 Qd8 31.Qh6 Qf8 32.Qc1 Nxa3 33.Qd1 Rxd4 34.Qxd4 Nc2 
35.Qa4 Nxa1 36.Qxa1 Qc5 37.Re3 Qc1+ 38.Qxc1 Rxc1+ 39.Kh2 Rc4 40.Kg3 g5 41.
Kf3 Rf4+ 42.Ke2 Kg7 43.f3 h5 44.Ra3 h4 45.Kd3 Rb4 46.Ra2 Kg6 47.Kc3 Rc4+ 
48.Kd3 Rc1 49.Kd2 Rc7 50.Kd3 Kf5 51.Re2 Kf4 52.Kd4 Rc1 53.Kd3 Rg1 54.Kd4 
Kg3 55.Ra2 Rxg2 56.Ra7 Kxf3 57.Rxf7+ Kg3 58.Rf6 Kxh3 59.Rxe6 Re2 60.Kxd5 
g4 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.03"]
[Round "1"]
[White "Pomar Salamanca, Arturo"]
[Black "Schaufelberger, Heinz"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2340"]
[ECO "A07"]
[EventDate "1972.02.03"]
[PlyCount "67"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.b3 Bg4 5.h3 Bxf3 6.Bxf3 e5 7.d3 Bd6 8.Nd2 e4 
9.dxe4 Be5 10.Rb1 dxe4 11.Nxe4 Qa5+ 12.Bd2 Qxa2 13.Nc5 Nbd7 14.Nxb7 O-O 
15.Na5 Nc5 16.O-O Nce4 17.Be1 Rfe8 18.Nxc6 Bc3 19.Qd3 Bxe1 20.Rfxe1 Rac8 
21.Ra1 Qb2 22.Reb1 Qc3 23.Nxa7 Rcd8 24.Qxc3 Nxc3 25.Re1 Rd2 26.Kf1 h6 27.
b4 Rb8 28.Nc6 Rb6 29.Ra3 Ncd5 30.c4 Rxc6 31.cxd5 Rb6 32.Rb1 Nxd5 33.b5 Rd4
34.Ra6 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.03"]
[Round "1"]
[White "Browne, Walter Shawn"]
[Black "Benko, Pal"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2520"]
[ECO "B87"]
[EventDate "1972.02.03"]
[PlyCount "74"]

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 e6 6.Bc4 b5 7.Bb3 Nf6 8.O-O Be7
9.Qf3 Qb6 10.Be3 Qb7 11.a3 Nbd7 12.Bg5 Nc5 13.Rfe1 O-O 14.Ba2 h6 15.Bh4 
Qb6 16.e5 Bb7 17.exf6 Bxf3 18.fxe7 Bb7 19.exf8=Q+ Rxf8 20.Rad1 d5 21.f4 g6
22.Bf2 Qc7 23.g3 Rc8 24.Nf3 Nd7 25.Bd4 Kh7 26.Rd2 Qd6 27.Ne5 Qe7 28.Nxd7 
Qxd7 29.Nd1 b4 30.axb4 Qa4 31.Bb1 Qxb4 32.c3 Qd6 33.Nf2 h5 34.Nh3 Kg8 35.
Ng5 a5 36.Bxg6 fxg6 37.Rxe6 Qd7 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.04"]
[Round "2"]
[White "Palacios de la Prida, Ernesto"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[WhiteElo "2340"]
[BlackElo "2325"]
[ECO "A48"]
[EventDate "1972.02.03"]
[PlyCount "101"]

1.d4 Nf6 2.Nd2 c5 3.e3 g6 4.Ngf3 Bg7 5.dxc5 Qa5 6.a3 Nc6 7.c4 O-O 8.Be2 
Qxc5 9.b4 Qf5 10.Bb2 d6 11.O-O a5 12.e4 Qd7 13.Qb3 Qc7 14.b5 Nd8 15.e5 Nd7
16.exd6 Qxd6 17.Bxg7 Kxg7 18.Rad1 Qc7 19.Ne4 f6 20.Qe3 e5 21.Rd5 Ne6 22.g3
b6 23.Rd6 Ndc5 24.Rfd1 Bb7 25.Nfg5 Nxg5 26.Nxg5 Rfe8 27.Bg4 Bc8 28.Qf3 Bf5
29.Bxf5 gxf5 30.Qxf5 fxg5 31.Rd7+ Nxd7 32.Rxd7+ Qxd7 33.Qxd7+ Kg8 34.Qg4 
h6 35.h4 Rab8 36.hxg5 hxg5 37.Qxg5+ Kf7 38.Qf5+ Kg7 39.Qd7+ Kf6 40.g4 Rbd8
41.Qc7 Rd1+ 42.Kg2 Re6 43.c5 bxc5 44.Qxc5 e4 45.Qc3+ Kg6 46.Qxa5 e3 47.
fxe3 Rd5 48.Qc3 Kg5 49.a4 Re4 50.Qg7+ Kh4 51.Qh7+ 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.04"]
[Round "2"]
[White "Hecht, Hans-Joachim"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2510"]
[ECO "B18"]
[EventDate "1972.02.03"]
[PlyCount "26"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Bc4 Nf6 7.N1e2 e6 8.Nf4 
Bd6 9.c3 Nbd7 10.Qf3 Nb6 11.Bb3 Nbd5 12.Nxg6 hxg6 13.Bg5 a5 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.04"]
[Round "2"]
[White "Cordovil, Joao Maria"]
[Black "Durao, Joaquim Manuel"]
[Result "0-1"]
[WhiteElo "2290"]
[BlackElo "2280"]
[ECO "C69"]
[EventDate "1972.02.03"]
[PlyCount "126"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 exd4 7.Nxd4 c5 8.Nb3 
Qxd1 9.Rxd1 Bd7 10.Bf4 O-O-O 11.Nc3 Be6 12.Rxd8+ Kxd8 13.Rd1+ Kc8 14.Nd5 
Bxd5 15.Rxd5 b6 16.Rd1 Ne7 17.Nd2 Nc6 18.c3 Be7 19.Nc4 Rd8 20.Rxd8+ Kxd8 
21.Ne3 Kd7 22.Nd5 Bd6 23.Bxd6 Kxd6 24.Ne3 Ne5 25.Kf1 Nd3 26.Nc4+ Kd7 27.
Ke2 Nf4+ 28.Kf3 Ne6 29.b3 b5 30.Nb2 Kd6 31.Ke3 Nf8 32.f4 Nd7 33.g4 Nb6 34.
h4 Ke6 35.g5 Kd6 36.Kf3 Ke6 37.Nd3 Kd6 38.Nb2 Ke6 39.Nd3 Kd6 40.Nb2 Ke6 
41.Nd3 Kd6 42.gxf6 gxf6 43.e5+ fxe5 44.fxe5+ Kd5 45.Kf4 c4 46.Nb4+ Ke6 47.
Ke4 cxb3 48.axb3 a5 49.Nc6 a4 50.Nd4+ Ke7 51.bxa4 bxa4 52.Nc6+ Kd7 53.Nb4 
c5 54.Nd3 Kc6 55.e6 Nc8 56.Ke5 a3 57.Nc1 Kb5 58.Kd5 h5 59.Na2 Ne7+ 60.Kd6 
Ng6 61.Nc1 Nxh4 62.Ke5 Ng6+ 63.Kf6 Nf4 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.04"]
[Round "2"]
[White "Medina Garcia, Antonio Angel"]
[Black "Schaufelberger, Heinz"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2340"]
[ECO "B91"]
[EventDate "1972.02.03"]
[PlyCount "97"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be7 8.Bg2 b5
9.a4 b4 10.Nd5 a5 11.O-O Bb7 12.c3 Bxd5 13.exd5 Na6 14.cxb4 axb4 15.Be3 
O-O 16.Nc1 Nd7 17.Nb3 Bg5 18.Bxg5 Qxg5 19.Na5 f5 20.f4 Qf6 21.Nc6 e4 22.
Rf2 Ndc5 23.Bf1 Rfe8 24.Bb5 e3 25.Re2 Re4 26.Qf1 Nb3 27.Rae1 Nd2 28.Qg2 
Qxb2 29.Bd3 Nc5 30.Bxe4 fxe4 31.Rxe3 Nf3+ 32.Rxf3 Qxg2+ 33.Kxg2 exf3+ 34.
Kxf3 Rxa4 35.Re8+ Kf7 36.Rb8 b3 37.Nd8+ Kf6 38.Ne6 Nxe6 39.dxe6 Ra3 40.f5 
Kxf5 41.e7 b2+ 42.Kf2 b1=Q 43.g4+ Kg5 44.Rxb1 Ra8 45.Rd1 Re8 46.Kg3 Rxe7 
47.h4+ Kf6 48.Rxd6+ Re6 49.Rd7 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.04"]
[Round "2"]
[White "Benko, Pal"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2340"]
[ECO "A08"]
[EventDate "1972.02.03"]
[PlyCount "30"]

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 d5 5.Nbd2 Bd6 6.Bg2 Nge7 7.O-O O-O 8.Re1 
Bc7 9.c3 d4 10.c4 e5 11.Rf1 a6 12.Ne1 Be6 13.f4 exf4 14.gxf4 f5 15.e5 h6 
1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.04"]
[Round "2"]
[White "Martz, William"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]
[BlackElo "2500"]
[ECO "B36"]
[EventDate "1972.02.03"]
[PlyCount "30"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 Nc6 5.Nc3 g6 6.e4 d6 7.Be2 Nxd4 8.Qxd4 
Bg7 9.Be3 O-O 10.Qd2 Be6 11.Rc1 a6 12.f3 Rc8 13.b3 Qa5 14.Nd5 Qxd2+ 15.
Kxd2 Nxd5 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.05"]
[Round "3"]
[White "Browne, Walter Shawn"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2420"]
[ECO "C95"]
[EventDate "1972.02.03"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 
9.h3 Nb8 10.d4 Nbd7 11.Nh4 exd4 12.cxd4 Nb6 13.Nf3 c5 14.Nbd2 Bb7 15.Bc2 
Re8 16.b3 cxd4 17.Nxd4 Nfd7 18.Bb2 Bf6 19.f4 Rc8 20.Rc1 g6 21.Qf3 Nc5 22.
Qf2 Bg7 23.Bb1 Rc7 24.Re2 Rce7 25.Rce1 Nbd7 26.b4 Na4 27.Ba1 Nab6 28.Bd3 
Nf6 29.N4b3 Nc4 30.Bxc4 bxc4 31.Na5 Ba8 32.Naxc4 Nxe4 33.Rxe4 Rxe4 34.Nxe4
Bxa1 35.Nexd6 Rxe1+ 36.Qxe1 Bd4+ 37.Kh1 Bd5 38.Qd2 Qf6 39.Kh2 Bxc4 40.Nxc4
Bc3 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.05"]
[Round "3"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[WhiteElo "2325"]
[BlackElo "2520"]
[ECO "B20"]
[EventDate "1972.02.03"]
[PlyCount "43"]

1.e4 c5 2.d3 Nc6 3.f4 g6 4.Nf3 Bg7 5.g3 d6 6.Bg2 Nf6 7.c3 O-O 8.O-O Rb8 9.
a4 a6 10.Nh4 Ne8 11.Be3 Bd7 12.Nd2 b5 13.axb5 axb5 14.Qc2 b4 15.Nc4 Nc7 
16.f5 Nb5 17.Bd2 e6 18.Ne3 Ne5 19.Nf3 Nxf3+ 20.Rxf3 bxc3 21.bxc3 exf5 22.
exf5 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.05"]
[Round "3"]
[White "Durao, Joaquim Manuel"]
[Black "Palacios de la Prida, Ernesto"]
[Result "1/2-1/2"]
[WhiteElo "2280"]
[BlackElo "2340"]
[ECO "C60"]
[EventDate "1972.02.03"]
[PlyCount "25"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.d4 exd4 5.Nxd4 Bg7 6.Be3 Nf6 7.Nc3 O-O 8.O-O 
Ng4 9.Qxg4 Nxd4 10.Ba4 d5 11.Qd1 dxe4 12.Nxe4 Be6 13.c3 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.05"]
[Round "3"]
[White "Schaufelberger, Heinz"]
[Black "Hecht, Hans-Joachim"]
[Result "0-1"]
[WhiteElo "2340"]
[BlackElo "2470"]
[ECO "E18"]
[EventDate "1972.02.03"]
[PlyCount "62"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Nxe4 
Bxe4 9.Ne1 d5 10.Qa4 c5 11.dxc5 Bxc5 12.Bf4 Bxg2 13.Kxg2 dxc4 14.Qxc4 Qd4 
15.Qxd4 Bxd4 16.Nd3 Nc6 17.Rac1 Rfc8 18.Rc2 Ne7 19.Rfc1 Rxc2 20.Rxc2 Rc8 
21.Rxc8+ Nxc8 22.Be5 Bxe5 23.Nxe5 Kf8 24.Kf3 Ke7 25.Ke4 f6 26.Nd3 Kd6 27.
Kd4 b5 28.Kc3 a5 29.b4 a4 30.Kd4 Ne7 31.g4 Nd5 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.05"]
[Round "3"]
[White "Pomar Salamanca, Arturo"]
[Black "Cordovil, Joao Maria"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2290"]
[ECO "A31"]
[EventDate "1972.02.03"]
[PlyCount "53"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.e4 Bd7 7.Be2 Nxd4 8.Qxd4
g6 9.Bg5 Bg7 10.Qd2 h6 11.Bf4 a6 12.O-O Bc6 13.f3 O-O 14.a4 Nd7 15.a5 Nc5 
16.Ra3 Kh7 17.b4 Ne6 18.Be3 f5 19.exf5 gxf5 20.Nd5 Bxd5 21.cxd5 Nc7 22.Bb6
Qd7 23.f4 Nb5 24.Rg3 Rac8 25.Bd3 Qe8 26.Qe2 Nc3 27.Qg4 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.05"]
[Round "3"]
[White "Garcia Martinez, Silvino"]
[Black "Martz, William"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[ECO "B02"]
[EventDate "1972.02.03"]
[PlyCount "25"]

1.e4 Nf6 2.e5 Nd5 3.Nc3 e6 4.Nxd5 exd5 5.d4 d6 6.Nf3 Bf5 7.Bd3 Qd7 8.O-O 
Nc6 9.exd6 Bxd3 10.Qxd3 Bxd6 11.Re1+ Ne7 12.Ne5 Bxe5 13.dxe5 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.06"]
[Round "4"]
[White "Palacios de la Prida, Ernesto"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2510"]
[ECO "B22"]
[EventDate "1972.02.03"]
[PlyCount "31"]

1.e4 c5 2.c3 Nc6 3.d4 cxd4 4.cxd4 e6 5.d5 exd5 6.exd5 Bb4+ 7.Bd2 Qe7+ 8.
Ne2 Ne5 9.Bxb4 Qxb4+ 10.Nbc3 d6 11.Qd4 Nf6 12.f4 Qxd4 13.Nxd4 Ng6 14.Bb5+ 
Bd7 15.Nf5 Bxb5 16.Nxb5 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.06"]
[Round "4"]
[White "Medina Garcia, Antonio Angel"]
[Black "Hecht, Hans-Joachim"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2470"]
[ECO "B05"]
[EventDate "1972.02.03"]
[PlyCount "78"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.h3 Bh5 7.O-O Be7 8.c4 Nb6 
9.exd6 cxd6 10.Nbd2 Nc6 11.b3 O-O 12.Bb2 d5 13.c5 Nd7 14.a3 f6 15.b4 a6 
16.Re1 Bf7 17.Nf1 b6 18.Ne3 Qc7 19.Qd2 Rfd8 20.Rac1 bxc5 21.dxc5 Nf8 22.a4
d4 23.Nc4 Rab8 24.Ba3 Ng6 25.Bf1 d3 26.Nb6 e5 27.Rb1 f5 28.Ng5 Bxg5 29.
Qxg5 Nce7 30.Qd2 e4 31.Bb2 Nc6 32.Qc3 Nd4 33.Nc4 Rd5 34.Nd6 Ne5 35.Re3 h6 
36.f4 Ng6 37.g3 Ne6 38.Bg2 a5 39.Qc4 Rxd6 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.06"]
[Round "4"]
[White "Martz, William"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1/2-1/2"]
[BlackElo "2325"]
[ECO "D93"]
[EventDate "1972.02.03"]
[PlyCount "68"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 c6 6.Nf3 O-O 7.Rc1 Be6 8.Qb3 Qb6 
9.Qxb6 axb6 10.Ng5 Nh5 11.Bc7 Rc8 12.Bxb8 Rcxb8 13.Nxe6 fxe6 14.Be2 Nf6 
15.a3 c5 16.O-O Rc8 17.dxc5 bxc5 18.Bf3 Rd8 19.Rcd1 Ne4 20.Bxe4 Bxc3 21.
cxd5 Bxb2 22.dxe6 Rxd1 23.Rxd1 c4 24.Bxb7 Rxa3 25.Rd8+ Kg7 26.Kf1 Ra7 27.
Be4 Be5 28.Ke2 Kf6 29.f4 Bc7 30.Rd4 Ra2+ 31.Kf3 Bb6 32.Rxc4 Ra3 33.g4 Bxe3
34.g5+ Kxe6 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.06"]
[Round "4"]
[White "Browne, Walter Shawn"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2340"]
[ECO "C19"]
[EventDate "1972.02.03"]
[PlyCount "62"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 Nbc6 8.Nf3 
Qa5 9.Qd2 f6 10.Bd3 O-O 11.exf6 Rxf6 12.O-O Bd7 13.Ba3 Rxf3 14.gxf3 Nxd4 
15.Qe3 Qxc3 16.Kh1 Kh8 17.Bxh7 Qxe3 18.fxe3 Ndc6 19.Bd3 c4 20.Be2 Nf5 21.
Bc1 Nb4 22.Bd1 c3 23.Kg1 a5 24.Kf2 Nd6 25.Rg1 Nc4 26.Rg4 e5 27.Rh4+ Kg8 
28.Rxc4 dxc4 29.e4 Ra6 30.Be3 Kh7 31.Ra3 Rd6 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.06"]
[Round "4"]
[White "Benko, Pal"]
[Black "Durao, Joaquim Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2280"]
[ECO "D94"]
[EventDate "1972.02.03"]
[PlyCount "41"]

1.d4 d5 2.c4 c6 3.e3 Nf6 4.Nf3 g6 5.Nc3 Bg7 6.Bd3 O-O 7.O-O Bg4 8.h3 Bxf3 
9.Qxf3 e6 10.Rd1 Nbd7 11.b3 Re8 12.Bb2 a6 13.Rac1 b5 14.Rc2 Nb6 15.Qe2 
dxc4 16.bxc4 b4 17.Nb1 a5 18.Nd2 Qc7 19.a3 Na4 20.axb4 axb4 21.Nb3 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.06"]
[Round "4"]
[White "Cordovil, Joao Maria"]
[Black "Schaufelberger, Heinz"]
[Result "1-0"]
[WhiteElo "2290"]
[BlackElo "2340"]
[ECO "B52"]
[EventDate "1972.02.03"]
[PlyCount "95"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 e5 6.O-O g6 7.Nc3 Bg7 8.d3 
Ne7 9.Nd5 O-O 10.Rb1 Nxd5 11.cxd5 a5 12.Nd2 f5 13.Nc4 Ra6 14.Bd2 f4 15.f3 
Bf6 16.a4 Bd8 17.Ra1 g5 18.Qb3 Qc7 19.Kf2 Rf7 20.Ke2 Rg7 21.g3 Kf8 22.Rf2 
Rg6 23.Rg1 Kg7 24.Rfg2 Nd7 25.h4 fxg3 26.h5 Rh6 27.Rh1 Nb6 28.Rxg3 Nxc4 
29.Bxg5 Bxg5 30.Rxg5+ Kh8 31.Rhg1 Ra8 32.dxc4 Rf8 33.f4 Qf7 34.Qf3 Qxf4 
35.Qxf4 exf4 36.Kf3 Rhf6 37.Rg7 R6f7 38.Rxf7 Rxf7 39.Rg4 Re7 40.Rg5 Rf7 
41.Rg4 Re7 42.Rxf4 Kg7 43.Rf5 Re8 44.Kf4 Re7 45.e5 dxe5+ 46.Rxe5 Rf7+ 47.
Rf5 Re7 48.d6 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.07"]
[Round "5"]
[White "Schaufelberger, Heinz"]
[Black "Palacios de la Prida, Ernesto"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2340"]
[ECO "A42"]
[EventDate "1972.02.03"]
[PlyCount "80"]

1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 Nc6 5.d5 Nd4 6.Nge2 c5 7.Be3 Qb6 8.Qd2 Bg4 
9.h3 Bxe2 10.Bxe2 Nf6 11.O-O O-O 12.Rad1 Nd7 13.Rfe1 a6 14.Bf1 Qa5 15.Rc1 
b5 16.b3 bxc4 17.Bxc4 Ne5 18.Be2 f5 19.exf5 Rxf5 20.Bxd4 cxd4 21.Nb1 Qxd5 
22.Na3 d3 23.Nc4 Qd4 24.Nxe5 Qxf2+ 25.Kh1 Bxe5 26.Qxd3 Rg5 27.Bf3 Rf8 28.
Re2 Qg3 29.Bd5+ Kg7 30.Qxg3 Rxg3 31.Bf3 a5 32.Rc7 Bf6 33.h4 g5 34.hxg5 
Rxg5 35.Re4 Rb8 36.Kg1 Rbb5 37.Kf1 d5 38.Rg4 Kg6 39.Rxg5+ Kxg5 40.Rd7 d4 
1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.07"]
[Round "5"]
[White "Pomar Salamanca, Arturo"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2520"]
[ECO "E15"]
[EventDate "1972.02.03"]
[PlyCount "42"]

1.d4 Nf6 2.Nf3 b6 3.c4 e6 4.g3 Bb4+ 5.Bd2 Bxd2+ 6.Qxd2 Ba6 7.Na3 O-O 8.Bg2
Bb7 9.O-O d6 10.Rfd1 Nbd7 11.Rac1 Qe7 12.Nb5 c6 13.Nc3 d5 14.Ne5 Nxe5 15.
dxe5 Nd7 16.cxd5 exd5 17.e4 Nxe5 18.exd5 cxd5 19.Nxd5 Bxd5 20.Qxd5 Rad8 
21.Qe4 Qf6 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.07"]
[Round "5"]
[White "Hecht, Hans-Joachim"]
[Black "Cordovil, Joao Maria"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2290"]
[ECO "B01"]
[EventDate "1972.02.03"]
[PlyCount "59"]

1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.Nf3 Bg4 5.Be2 e6 6.O-O c5 7.Re1 Be7 8.dxc5 
Nc6 9.Ne5 Nxe5 10.Bxg4 Qc7 11.c4 Nf6 12.Bf3 Rd8 13.Qe2 Ng6 14.b4 h5 15.Nc3
Ng4 16.g3 Nxh2 17.Kxh2 h4 18.Kg2 hxg3 19.fxg3 Bh4 20.Ne4 Rd4 21.Qf2 Rd3 
22.Nd6+ Kf8 23.Be3 Bf6 24.Rad1 Ne5 25.Rh1 Rxh1 26.Rxh1 g5 27.Rh7 Kg8 28.
Rh1 Nxf3 29.Qxf3 Bd4 30.Bxd4 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.07"]
[Round "5"]
[White "Durao, Joaquim Manuel"]
[Black "Martz, William"]
[Result "0-1"]
[WhiteElo "2280"]
[ECO "B03"]
[EventDate "1972.02.03"]
[PlyCount "110"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 Bf5 6.Nc3 dxe5 7.fxe5 e6 8.Nf3 Bb4
9.Qb3 c5 10.dxc5 Bxc5 11.Bg5 f6 12.exf6 gxf6 13.Qb5+ N8d7 14.Bh4 Qe7 15.a3
a5 16.Na4 Nxa4 17.Qxa4 O-O 18.Qb3 Ra6 19.Qc3 e5 20.Be2 a4 21.Bf2 Bxf2+ 22.
Kxf2 Nc5 23.Qb4 Qc7 24.Rad1 Rb6 25.Qa5 Rc8 26.Nh4 Bd3 27.Rhe1 Rxb2 28.Qxc7
Rxc7 29.Ke3 Bxe2 30.Rxe2 Rb3+ 31.Kf2 Nd3+ 32.Kg1 Rxc4 33.Nf5 Rc1 34.Rxc1 
Nxc1 35.Rc2 Rc3 36.Rxc3 Ne2+ 37.Kf2 Nxc3 38.Nd6 b5 39.Ke3 Nd5+ 40.Kd2 b4 
41.axb4 a3 42.Kc1 Nxb4 43.Nc4 a2 44.Kb2 Kf7 45.Nd2 Ke6 46.Nb3 Nd3+ 47.Kxa2
Ne1 48.g4 Nf3 49.Nc5+ Ke7 50.h3 Ng5 51.h4 Nf3 52.h5 Nh2 53.g5 fxg5 54.Ne4 
Nf3 55.Kb3 Ke6 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.07"]
[Round "5"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Browne, Walter Shawn"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2500"]
[ECO "A01"]
[EventDate "1972.02.03"]
[PlyCount "75"]

1.b3 e5 2.Bb2 Nc6 3.e3 Nf6 4.Bb5 d6 5.Ne2 a6 6.Bxc6+ bxc6 7.d3 Be7 8.O-O 
O-O 9.Nd2 c5 10.e4 Nd7 11.f4 f6 12.Nc4 exf4 13.Nxf4 Ne5 14.Ne3 c6 15.Qe1 
g6 16.Rd1 Qe8 17.Qg3 Kh8 18.Rf2 Rg8 19.Rdf1 h5 20.Nh3 Kh7 21.Kh1 Qd8 22.
Bxe5 dxe5 23.Ng1 Be6 24.Nf3 Rg7 25.Nd2 Qd7 26.Rxf6 Bxf6 27.Rxf6 Re8 28.Nf3
Bg8 29.Qg5 Bf7 30.Nxe5 Qd4 31.Nxf7 Kg8 32.h3 Re7 33.Nh6+ Kh7 34.Rf8 Re5 
35.Nhf5 Qa1+ 36.Kh2 Rxf5 37.Nxf5 Qe5+ 38.g3 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.07"]
[Round "5"]
[White "Garcia Martinez, Silvino"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2420"]
[ECO "A08"]
[EventDate "1972.02.03"]
[PlyCount "50"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.c4 dxc4 5.Qa4 Bd7 6.Qxc4 e6 7.O-O Nf6 8.b3 
Be7 9.Bb2 Rc8 10.d3 b5 11.Qc2 O-O 12.Nc3 Qb6 13.Rac1 Nd4 14.Qd1 Rfd8 15.
Ne5 Be8 16.e3 Nc6 17.Nxc6 Bxc6 18.Bxc6 Rxc6 19.Qe2 Rcd6 20.Rfd1 R6d7 21.
Nb1 a6 22.d4 cxd4 23.Rxd4 Rxd4 24.Bxd4 Qb7 25.Nd2 Rc8 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.08"]
[Round "6"]
[White "Benko, Pal"]
[Black "Schaufelberger, Heinz"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2340"]
[ECO "A04"]
[EventDate "1972.02.03"]
[PlyCount "28"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 g6 4.d4 cxd4 5.Nxd4 Bg7 6.Nb3 d6 7.O-O Nf6 8.Nc3 
O-O 9.h3 Be6 10.e4 a5 11.a3 a4 12.Nd2 d5 13.exd5 Nxd5 14.Nce4 Nb6 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.08"]
[Round "6"]
[White "Palacios de la Prida, Ernesto"]
[Black "Hecht, Hans-Joachim"]
[Result "0-1"]
[WhiteElo "2340"]
[BlackElo "2470"]
[ECO "B05"]
[EventDate "1972.02.03"]
[PlyCount "46"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Nc6 7.c4 Nb6 8.exd6 
cxd6 9.Be3 d5 10.c5 Bxf3 11.Bxf3 Nc4 12.Nd2 Nxe3 13.fxe3 Be7 14.b4 Bg5 15.
Qe2 Nxb4 16.Rab1 Qa5 17.Bh5 g6 18.a3 Nc6 19.Rxb7 O-O 20.Nb3 Qc3 21.Rf3 
Rab8 22.Rxb8 Rxb8 23.e4 Qc4 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.08"]
[Round "6"]
[White "Medina Garcia, Antonio Angel"]
[Black "Cordovil, Joao Maria"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2290"]
[ECO "A00"]
[EventDate "1972.02.03"]
[PlyCount "119"]

1.g3 e5 2.Bg2 d5 3.d3 Nf6 4.Nd2 Bc5 5.e4 dxe4 6.dxe4 Bxf2+ 7.Kxf2 Ng4+ 8.
Ke2 Qd4 9.Nh3 Ne3 10.Nf3 Qxd1+ 11.Rxd1 Nxd1 12.Kxd1 Nc6 13.Nf2 f5 14.Be3 
O-O 15.c3 a5 16.exf5 Bxf5 17.Nd2 e4 18.Ke2 Ne5 19.Bxe4 Rae8 20.Re1 Bxe4 
21.Nfxe4 Ng4 22.Bg1 Nf6 23.Kd3 Nxe4 24.Nxe4 Rf3+ 25.Kd2 Re6 26.Bd4 b6 27.
Ng5 Rxe1 28.Nxf3 Rf1 29.Ke2 Rc1 30.Nd2 b5 31.Kd3 g5 32.Be3 g4 33.Ne4 Rf1 
34.Bf4 Kf7 35.Bxc7 Rb1 36.Kc2 Rh1 37.Nd6+ Ke7 38.Nxb5 Rxh2+ 39.Kb3 h5 40.
Bxa5 Kd7 41.a4 Rd2 42.Bc7 Rd5 43.Bf4 Rf5 44.Nd4 h4 45.Nxf5 h3 46.Ne3 h2 
47.Nxg4 h1=Q 48.Ne5+ Ke6 49.c4 Qa1 50.Nd3 Kd7 51.Kb4 Kc6 52.Ne5+ Kb7 53.b3
Qd4 54.a5 Qd1 55.c5 Qe1+ 56.Kb5 Qe2+ 57.Nc4 Qd1 58.Kb4 Ka6 59.Ka4 Qa1+ 60.
Kb4 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.08"]
[Round "6"]
[White "Martz, William"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[BlackElo "2510"]
[ECO "E25"]
[EventDate "1972.02.03"]
[PlyCount "40"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.f3 d5 5.a3 Bxc3+ 6.bxc3 c5 7.cxd5 exd5 8.e3 
Qa5 9.Bd2 c4 10.Ne2 Nc6 11.Ng3 h5 12.h4 Qc7 13.Kf2 Ne7 14.Be2 Nf5 15.Nxf5 
Bxf5 16.e4 dxe4 17.Qa4+ Bd7 18.Qxc4 Bc6 19.Qc5 Rd8 20.Qg5 Qe7 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.08"]
[Round "6"]
[White "Garcia Martinez, Silvino"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2325"]
[ECO "A35"]
[EventDate "1972.02.03"]
[PlyCount "30"]

1.c4 c5 2.Nc3 g6 3.Nf3 Bg7 4.e3 d6 5.d4 cxd4 6.exd4 Nc6 7.h3 h5 8.Be3 Nh6 
9.d5 Ne5 10.Nxe5 Bxe5 11.Bd4 Nf5 12.Bxe5 dxe5 13.Qd2 Nd4 14.Ne2 Nf5 15.Nc3
Nd4 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.08"]
[Round "6"]
[White "Browne, Walter Shawn"]
[Black "Durao, Joaquim Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2280"]
[ECO "C41"]
[EventDate "1972.02.03"]
[PlyCount "78"]

1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.O-O O-O 7.Re1 c6 8.a4 Qc7
9.h3 h6 10.a5 Re8 11.Bf1 Nf8 12.g3 Bd7 13.Bg2 b5 14.axb6 axb6 15.Be3 Ne6 
16.Rxa8 Rxa8 17.d5 Nc5 18.dxc6 Bxc6 19.Bxc5 bxc5 20.Nd2 Rb8 21.Nc4 Nd7 22.
b3 Nf8 23.Bf1 Ne6 24.Ne3 Qb7 25.Bc4 Nd4 26.Ned5 Bd8 27.Re3 Ra8 28.Ne2 Ra7 
29.c3 Ne6 30.Kg2 Qa8 31.Qd3 Ra1 32.Bb5 Nc7 33.Nxc7 Bxc7 34.Bxc6 Qxc6 35.
Rf3 c4 36.Qxc4 Qxc4 37.bxc4 Ra4 38.Rd3 Rxc4 39.f3 Kf8 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.09"]
[Round "7"]
[White "Schaufelberger, Heinz"]
[Black "Martz, William"]
[Result "0-1"]
[WhiteElo "2340"]
[ECO "D91"]
[EventDate "1972.02.03"]
[PlyCount "58"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bg5 Ne4 5.Bh4 c5 6.Nf3 Nc6 7.cxd5 Nxc3 8.bxc3 
Qxd5 9.e3 cxd4 10.cxd4 Bg7 11.Be2 O-O 12.O-O b6 13.Qa4 Bb7 14.Rfd1 e6 15.
Rac1 Rfc8 16.Ne1 Qa5 17.Bb5 Qxa4 18.Bxa4 Nb4 19.Bd7 Rxc1 20.Rxc1 Nxa2 21.
Rc7 Bd5 22.f3 Nb4 23.Kf1 a5 24.Ke2 Bf8 25.e4 Bd6 26.Rc1 Bb3 27.Bf6 a4 28.
d5 exd5 29.e5 Bc5 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.09"]
[Round "7"]
[White "Pomar Salamanca, Arturo"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[WhiteElo "2510"]
[BlackElo "2500"]
[ECO "A33"]
[EventDate "1972.02.03"]
[PlyCount "80"]

1.d4 Nf6 2.Nf3 c5 3.c4 cxd4 4.Nxd4 e6 5.e3 Be7 6.Nc3 Nc6 7.Be2 O-O 8.O-O 
d6 9.b3 Bd7 10.Bb2 a6 11.Rc1 Rb8 12.Qd2 b5 13.Rfd1 Qb6 14.Nxc6 Bxc6 15.Qd4
Qb7 16.f3 b4 17.Nb1 e5 18.Qd2 Nd7 19.Qe1 f5 20.Nd2 Nc5 21.Nf1 a5 22.Rb1 a4
23.bxa4 Qa7 24.Bc1 Qxa4 25.Bd2 Na6 26.Rdc1 e4 27.Bd1 Qa3 28.fxe4 fxe4 29.
Ng3 Bf6 30.Ne2 Nc5 31.Nf4 Bb2 32.Rc2 Rxf4 33.Rcxb2 Nd3 34.Qg3 Rf6 35.Rc2 
Ba4 36.Bc1 Bxc2 37.Bxa3 Bxb1 38.Bb3 bxa3 39.c5+ Rxb3 40.cxd6 Bxa2 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.09"]
[Round "7"]
[White "Hecht, Hans-Joachim"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2520"]
[ECO "B52"]
[EventDate "1972.02.03"]
[PlyCount "53"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.Re1 Nf6 7.c3 e6 8.d4 
cxd4 9.cxd4 d5 10.e5 Ne4 11.Nbd2 Nxd2 12.Bxd2 Be7 13.Bg5 O-O 14.Bxe7 Qxe7 
15.Re3 Rfc8 16.Rc1 Qd7 17.Rec3 Ne7 18.h4 Rxc3 19.Rxc3 Rc8 20.Qc2 Rxc3 21.
Qxc3 h5 22.g3 Nf5 23.Qc1 f6 24.b3 Kf7 25.Kg2 Qd8 26.Qc5 Qb8 27.Qc3 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.09"]
[Round "7"]
[White "Durao, Joaquim Manuel"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[WhiteElo "2280"]
[BlackElo "2340"]
[ECO "B20"]
[EventDate "1972.02.03"]
[PlyCount "29"]

1.e4 c5 2.d3 Nc6 3.g3 g6 4.Bg2 Bg7 5.f4 d6 6.Nf3 e6 7.O-O Nge7 8.c3 O-O 9.
Nbd2 Kh8 10.Nh4 f5 11.Re1 Bd7 12.Nc4 Qc7 13.Nf3 Rae8 14.e5 dxe5 15.Nfxe5 
1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.09"]
[Round "7"]
[White "Cordovil, Joao Maria"]
[Black "Palacios de la Prida, Ernesto"]
[Result "0-1"]
[WhiteElo "2290"]
[BlackElo "2340"]
[ECO "C44"]
[EventDate "1972.02.03"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 d5 5.exd5 Qxd5 6.cxd4 Bg4 7.Be2 O-O-O 8.
Nc3 Qa5 9.Be3 Nf6 10.O-O Bc5 11.a3 Bxf3 12.Bxf3 Bxd4 13.Bxc6 Bxe3 14.Bxb7+
Kxb7 15.Qf3+ Kb8 16.Qxe3 Rhe8 17.Qf3 Qh5 18.Qc6 Re6 19.Qa4 Ng4 20.h3 Ne5 
21.f4 Nd3 22.f5 Rb6 23.Nb5 a6 24.Nd4 Qh6 25.Nc2 Qc6 26.Qh4 f6 27.Nb4 Nxb4 
28.axb4 Rd2 29.Rf3 Qc2 30.Rg3 Qxb2 31.Re1 Rxb4 32.Qxh7 Qd4+ 33.Kh2 Qf4 34.
Qxg7 Rbb2 35.Kh1 Qxf5 36.Re8+ Kb7 37.Qg8 Qf1+ 38.Kh2 Qf4 39.Rb8+ Ka7 40.
Ra8+ Kb6 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.09"]
[Round "7"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2420"]
[ECO "A30"]
[EventDate "1972.02.03"]
[PlyCount "35"]

1.Nf3 Nf6 2.b3 b6 3.Bb2 Bb7 4.e3 e6 5.Be2 Be7 6.O-O O-O 7.c4 c5 8.d3 Nc6 
9.Nbd2 Qc7 10.d4 d5 11.Rc1 cxd4 12.cxd5 exd5 13.Nxd4 Qd6 14.Nf5 Qe6 15.Bd3
Rfd8 16.Nf3 Ne8 17.Rxc6 Bxc6 18.N3d4 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.10"]
[Round "8"]
[White "Medina Garcia, Antonio Angel"]
[Black "Palacios de la Prida, Ernesto"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2340"]
[ECO "C60"]
[EventDate "1972.02.03"]
[PlyCount "87"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.d4 exd4 5.Bg5 Be7 6.Bf4 Nf6 7.O-O O-O 8.e5 
Nh5 9.Bh6 Ng7 10.c3 dxc3 11.Nxc3 d6 12.Bxc6 bxc6 13.Qa4 Rb8 14.b3 c5 15.
Nd5 dxe5 16.Rad1 Bd6 17.Ng5 f6 18.Ne4 Bb7 19.Qc4 Bxd5 20.Qxd5+ Rf7 21.Nxc5
Nf5 22.Be3 Qe7 23.Ne4 Rd8 24.Bc5 Kg7 25.Bxa7 Nd4 26.Qc4 Ne6 27.Be3 f5 28.
Nxd6 Rxd6 29.f3 f4 30.Bf2 Qf6 31.Rxd6 cxd6 32.Rd1 Rc7 33.Qd3 Nd8 34.h3 Nf7
35.b4 Qe6 36.Qd2 Qc4 37.Kh2 Rb7 38.Rb1 d5 39.Bc5 d4 40.a4 Ng5 41.Re1 Kf6 
42.Bd6 d3 43.Bxe5+ Kf5 44.Bc3 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.10"]
[Round "8"]
[White "Martz, William"]
[Black "Hecht, Hans-Joachim"]
[Result "0-1"]
[BlackElo "2470"]
[ECO "E20"]
[EventDate "1972.02.03"]
[PlyCount "60"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 d5 5.a3 Be7 6.e4 O-O 7.e5 Nfd7 8.c5 b6 9.
b4 a5 10.Rb1 axb4 11.axb4 bxc5 12.bxc5 f6 13.f4 fxe5 14.fxe5 Nc6 15.Nf3 
Rxf3 16.gxf3 Bh4+ 17.Ke2 Ba6+ 18.Ke3 Bg5+ 19.Kf2 Bxc1 20.Rxc1 Qh4+ 21.Kg2 
Qg5+ 22.Kf2 Qh4+ 23.Kg2 Nxd4 24.Bxa6 Rxa6 25.Re1 Qf4 26.Rb1 Nxe5 27.Rf1 
Nexf3 28.Rxf3 Nxf3 29.Qe2 Nh4+ 30.Kh3 Qf3+ 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.10"]
[Round "8"]
[White "Garcia Martinez, Silvino"]
[Black "Pomar Salamanca, Arturo"]
[Result "1-0"]
[WhiteElo "2340"]
[BlackElo "2510"]
[ECO "B10"]
[EventDate "1972.02.03"]
[PlyCount "55"]

1.e4 c6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Bg4 5.h3 Bxf3 6.Qxf3 e6 7.g3 Be7 8.Bg2 
Nbd7 9.Qe2 Qc7 10.O-O h5 11.Nf3 O-O-O 12.a4 Nh7 13.exd5 cxd5 14.c4 dxc4 
15.Bf4 cxd3 16.Qxd3 Nc5 17.Qc4 Bd6 18.Bxd6 Rxd6 19.Rfc1 Kb8 20.b4 Na6 21.
Qf4 Qe7 22.Ne5 Rf8 23.b5 g5 24.Qe3 Nb4 25.Rab1 Rfd8 26.Qe4 Rd5 27.Rxb4 Nf6
28.Qe1 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.10"]
[Round "8"]
[White "Browne, Walter Shawn"]
[Black "Schaufelberger, Heinz"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2340"]
[ECO "B10"]
[EventDate "1972.02.03"]
[PlyCount "171"]

1.e4 c6 2.d3 d5 3.Nd2 g6 4.g3 Bg7 5.Bg2 e5 6.Ngf3 Ne7 7.O-O O-O 8.Re1 d4 
9.a4 a5 10.Nc4 b5 11.Na3 Ba6 12.c3 dxc3 13.bxc3 b4 14.cxb4 axb4 15.Nc4 
Bxc4 16.dxc4 c5 17.Be3 Na6 18.Bh3 Nc6 19.Bd7 Nd4 20.Bxd4 Qxd7 21.Bxe5 Rfd8
22.Qc1 Bxe5 23.Nxe5 Qe6 24.Nf3 Rd3 25.Qf4 Kg7 26.e5 h6 27.Qe4 Rad8 28.Rec1
b3 29.Rab1 Nb4 30.Rb2 Na2 31.Re1 R8d7 32.Kg2 Nc3 33.Qa8 Nd1 34.Rb1 g5 35.
h3 b2 36.a5 Qxc4 37.e6 Qc2 38.Rbxd1 Rxd1 39.exd7 b1=Q 40.d8=Q Rxd8 41.Qxd8
Qba2 42.Rf1 Qe4 43.Re1 Qec2 44.Rf1 Qe2 45.Qd6 Qac2 46.Qd5 Qce4 47.Qxe4 
Qxe4 48.g4 Qa4 49.Nd2 Qxa5 50.Nc4 Qc3 51.Ne3 Kg6 52.Rd1 Qf6 53.Rc1 Qc6+ 
54.Kg3 Qc7+ 55.Kg2 h5 56.gxh5+ Kxh5 57.Rc4 Kg6 58.h4 gxh4 59.Rxh4 f5 60.f3
Qe5 61.Kf2 Qb2+ 62.Ke1 Qa1+ 63.Ke2 Kg5 64.Rc4 Qa3 65.f4+ Kf6 66.Rc3 Qa6+ 
67.Kf2 Qd6 68.Ke2 Ke6 69.Rc4 Qa6 70.Kd2 Qc8 71.Nd1 Kd5 72.Ne3+ Kc6 73.Rc2 
Qd7+ 74.Ke2 Qe6 75.Rd2 Qe4 76.Rd8 Qxf4 77.Rf8 Qh2+ 78.Kf3 Kb5 79.Rxf5 Kb4 
80.Ke4 Qe2 81.Rd5 Qa2 82.Rf5 Qa8+ 83.Kf4 Kc3 84.Nd5+ Kd2 85.Ke4 Qa4+ 86.
Ke5 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.10"]
[Round "8"]
[White "Benko, Pal"]
[Black "Cordovil, Joao Maria"]
[Result "1-0"]
[WhiteElo "2520"]
[BlackElo "2290"]
[ECO "B14"]
[EventDate "1972.02.03"]
[PlyCount "33"]

1.e4 d5 2.exd5 Nf6 3.c4 c6 4.d4 cxd5 5.Nc3 g6 6.Qb3 Bg7 7.cxd5 O-O 8.Be2 
Nbd7 9.Bf3 Nb6 10.Bg5 Bg4 11.Bxf6 Bxf3 12.Nxf3 exf6 13.O-O Qd7 14.Rfe1 
Rfd8 15.a4 Nxd5 16.Nxd5 Qxd5 17.Re8+ 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.10"]
[Round "8"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Durao, Joaquim Manuel"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2280"]
[ECO "A06"]
[EventDate "1972.02.03"]
[PlyCount "67"]

1.Nf3 d5 2.b3 c5 3.Bb2 f6 4.e3 e5 5.d4 cxd4 6.exd4 e4 7.Nfd2 f5 8.c4 Nf6 
9.Nc3 Nc6 10.cxd5 Nb4 11.Bc4 g6 12.O-O Nbxd5 13.Re1 Be6 14.Nxd5 Bxd5 15.f3
Bb4 16.fxe4 fxe4 17.Bb5+ Kf7 18.Rf1 Rf8 19.Nc4 a6 20.Ne5+ Kg7 21.Bc4 b5 
22.Bxd5 Qxd5 23.Rc1 Rac8 24.Qe2 Ba5 25.Kh1 Bb6 26.Ba3 Rfe8 27.Qf2 Qe6 28.
Bb2 Rxc1 29.Rxc1 Rc8 30.Rf1 Rd8 31.h3 Nh5 32.Ng4 h6 33.d5+ Kh7 34.Qf7+ 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.11"]
[Round "9"]
[White "Schaufelberger, Heinz"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2340"]
[ECO "E95"]
[EventDate "1972.02.03"]
[PlyCount "24"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.Re1 c6 
9.Bf1 Re8 10.d5 c5 11.Rb1 Rf8 12.a3 Ne8 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.11"]
[Round "9"]
[White "Pomar Salamanca, Arturo"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2325"]
[ECO "B14"]
[EventDate "1972.02.03"]
[PlyCount "23"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Qb3 c5 7.cxd5 cxd4 8.exd4 
Nbd7 9.Be2 Nb6 10.Bf3 Bf5 11.Rd1 Qd7 12.Nge2 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.11"]
[Round "9"]
[White "Palacios de la Prida, Ernesto"]
[Black "Benko, Pal"]
[Result "0-1"]
[WhiteElo "2340"]
[BlackElo "2520"]
[ECO "B81"]
[EventDate "1972.02.03"]
[PlyCount "54"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 h6 7.Be3 a6 8.Rg1 b5 
9.a3 Bb7 10.Bd3 Nbd7 11.f4 Rc8 12.Qf3 Rxc3 13.bxc3 Nc5 14.a4 Qa5 15.Nb3 
Nxd3+ 16.Kd2 Qc7 17.cxd3 d5 18.Qf2 b4 19.Bd4 dxe4 20.c4 exd3 21.Bxf6 gxf6 
22.Qd4 Be7 23.Rae1 O-O 24.g5 fxg5 25.fxg5 Qxh2+ 26.Kxd3 Rd8 27.gxh6+ Kf8 
0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.11"]
[Round "9"]
[White "Hecht, Hans-Joachim"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[WhiteElo "2470"]
[BlackElo "2500"]
[ECO "B51"]
[EventDate "1972.02.03"]
[PlyCount "84"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 cxd4 5.Qxd4 Nf6 6.Nc3 a6 7.Bxd7+ Bxd7 8.
Bg5 h6 9.Bxf6 gxf6 10.Nd5 Rg8 11.O-O-O Rxg2 12.Rhg1 Rxg1 13.Rxg1 Bc6 14.
Nd2 Bxd5 15.exd5 Qc7 16.Rg8 O-O-O 17.Rg3 Kb8 18.Rc3 Qa5 19.Nb3 Qb5 20.Rc4 
Rc8 21.Rxc8+ Kxc8 22.c4 Qa4 23.Kb1 h5 24.Qd3 Kd8 25.Nd4 Bh6 26.b3 Qa5 27.
Nc2 Qd2 28.Qxd2 Bxd2 29.Nd4 Kd7 30.Kc2 Bf4 31.h3 e6 32.Ne2 Bh6 33.Kd3 f5 
34.b4 h4 35.a4 e5 36.f3 b6 37.Nc3 Bc1 38.a5 bxa5 39.b5 axb5 40.cxb5 Kc7 
41.Na4 Kb7 42.Kc2 Ba3 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.11"]
[Round "9"]
[White "Durao, Joaquim Manuel"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[WhiteElo "2280"]
[BlackElo "2420"]
[ECO "D37"]
[EventDate "1972.02.03"]
[PlyCount "56"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 Be7 5.e3 O-O 6.Qc2 c5 7.cxd5 exd5 8.Be2 
Nc6 9.O-O cxd4 10.Nxd4 Nxd4 11.exd4 Qb6 12.Be3 Be6 13.Bf3 Rac8 14.Rfc1 Rc4
15.Qd2 Rfc8 16.b3 R4c6 17.Na4 Rxc1+ 18.Rxc1 Rxc1+ 19.Qxc1 Qa5 20.Bd2 Qa6 
21.Qc2 h6 22.h3 Bd6 23.Be3 Ne4 24.Bxe4 dxe4 25.Nc5 Qa5 26.Bd2 Qc7 27.Qxe4 
Bxc5 28.dxc5 Qxc5 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.11"]
[Round "9"]
[White "Cordovil, Joao Maria"]
[Black "Martz, William"]
[Result "1/2-1/2"]
[WhiteElo "2290"]
[ECO "B03"]
[EventDate "1972.02.03"]
[PlyCount "58"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.d4 d6 5.f4 Bf5 6.Nc3 dxe5 7.fxe5 e6 8.Nf3 Bb4
9.Qb3 c5 10.Be3 Nc6 11.dxc5 Nd7 12.O-O-O Qe7 13.Bd3 Bxd3 14.Rxd3 O-O-O 15.
Rxd7 Rxd7 16.Ne4 f6 17.a3 Ba5 18.Nd6+ Kb8 19.Qa4 Bc7 20.b4 Bxd6 21.cxd6 
Qd8 22.Nd4 Nxd4 23.Bxd4 a6 24.Kb1 fxe5 25.Bxe5 Rf8 26.c5 Qh4 27.Bg3 Qc4 
28.Qxd7 Qb3+ 29.Kc1 Qc3+ 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.12"]
[Round "10"]
[White "Medina Garcia, Antonio Angel"]
[Black "Benko, Pal"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2520"]
[ECO "B91"]
[EventDate "1972.02.03"]
[PlyCount "122"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be7 8.Bg2 
Be6 9.a4 O-O 10.O-O Qc8 11.Bg5 Nbd7 12.h3 Qc6 13.Nd5 Bxd5 14.exd5 Qc7 15.
Qd2 Rfc8 16.Rfc1 b5 17.Nc3 b4 18.Nd1 a5 19.b3 Nc5 20.Qe1 h6 21.Bd2 Nfd7 
22.Ne3 g6 23.Qe2 h5 24.Rab1 Qd8 25.Nc4 Nb6 26.Nxb6 Qxb6 27.Be3 Qd8 28.f4 
exf4 29.Bxf4 Bg5 30.Rf1 Bxf4 31.gxf4 Qf6 32.Rbe1 Kg7 33.Kh1 Nd7 34.Qb5 Ra7
35.Re2 Rc5 36.Qd3 Rc3 37.Qb5 Rc5 38.Qd3 Rac7 39.Rff2 Qa1+ 40.Kh2 Qc3 41.
Qa6 Qf6 42.Be4 Nf8 43.Qa8 Re7 44.Qd8 Nh7 45.Bg2 Rxe2 46.Qxf6+ Nxf6 47.Rxe2
Nxd5 48.Rf2 f5 49.Bf1 h4 50.Bd3 Kf6 51.Kg2 Nc7 52.Kf3 Ne6 53.Ke3 Rc3 54.
Rf1 d5 55.Rb1 Kf7 56.Rd1 Nc5 57.Kd4 Nxd3 58.cxd3 Rxb3 59.Re1 Ra3 60.Re5 
Rxa4 61.Rxd5 b3+ 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.12"]
[Round "10"]
[White "Martz, William"]
[Black "Palacios de la Prida, Ernesto"]
[Result "1-0"]
[BlackElo "2340"]
[ECO "A42"]
[EventDate "1972.02.03"]
[PlyCount "73"]

1.c4 d6 2.Nc3 g6 3.d4 Bg7 4.e4 Nc6 5.Be3 e5 6.d5 Nce7 7.c5 f5 8.Bb5+ Kf7 
9.f3 Bh6 10.Bxh6 Nxh6 11.Qd2 Kg7 12.cxd6 cxd6 13.O-O-O Bd7 14.Bxd7 Qxd7 
15.Nh3 Nf7 16.Kb1 f4 17.Nf2 g5 18.Nd3 Ng6 19.Rc1 Rac8 20.Qf2 a6 21.Rc2 Rc7
22.Rhc1 Rhc8 23.b3 h5 24.Nb2 Qd8 25.Nc4 b5 26.Nb2 Nf8 27.Nd3 Nd7 28.Nb4 
Nc5 29.Qe2 Qd7 30.g3 Qh3 31.gxf4 exf4 32.Nc6 Ne5 33.Nxe5 dxe5 34.d6 Rc6 
35.Nd5 Qe6 36.Ne7 Nxb3 37.Nf5+ 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.12"]
[Round "10"]
[White "Garcia Martinez, Silvino"]
[Black "Hecht, Hans-Joachim"]
[Result "1/2-1/2"]
[WhiteElo "2340"]
[BlackElo "2470"]
[ECO "E19"]
[EventDate "1972.02.03"]
[PlyCount "27"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 c5 10.b3 Bf6 11.Bb2 d6 12.Qd2 Qe7 13.Rad1 Rd8 14.Rfe1 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.12"]
[Round "10"]
[White "Durao, Joaquim Manuel"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[WhiteElo "2280"]
[BlackElo "2510"]
[ECO "B10"]
[EventDate "1972.02.03"]
[PlyCount "22"]

1.e4 c6 2.d3 d5 3.Nd2 e5 4.Ngf3 Bd6 5.g3 Ne7 6.Bg2 O-O 7.O-O Nd7 8.c3 f5 
9.exd5 cxd5 10.c4 d4 11.Ng5 Rf6 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.12"]
[Round "10"]
[White "Browne, Walter Shawn"]
[Black "Cordovil, Joao Maria"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2290"]
[ECO "B29"]
[EventDate "1972.02.03"]
[PlyCount "79"]

1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 e6 5.Nxd5 exd5 6.d4 Nc6 7.dxc5 Bxc5 8.
Qxd5 Qb6 9.Bc4 Bxf2+ 10.Ke2 O-O 11.Rf1 Bc5 12.Ng5 Nd4+ 13.Kd1 Ne6 14.Ne4 
d6 15.exd6 Rd8 16.Qf5 Bxd6 17.Nxd6 Qxd6+ 18.Bd3 Qxh2 19.Qxf7+ Kh8 20.Bg5 
Rg8 21.Bd2 Nc5 22.Qf3 Nxd3 23.cxd3 Qh4 24.Kc2 Be6 25.Bc3 Qa4+ 26.Kd2 Rad8 
27.Rae1 Qa6 28.a3 Rd7 29.Rh1 Rgd8 30.Re3 Kg8 31.Qe4 Rf7 32.Qxe6 Rxd3+ 33.
Kc2 Rxe3 34.Qxe3 Qg6+ 35.Kb3 Qxg2 36.Qe8+ Rf8 37.Qe6+ Kh8 38.Rd1 a5 39.Rd7
a4+ 40.Ka2 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.12"]
[Round "10"]
[White "Bellon Lopez, Juan Manuel"]
[Black "Schaufelberger, Heinz"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2340"]
[ECO "A07"]
[EventDate "1972.02.03"]
[PlyCount "61"]

1.b3 d5 2.Bb2 Nf6 3.Nf3 g6 4.g3 Bg7 5.Bg2 O-O 6.O-O c6 7.d3 b6 8.Nbd2 a5 
9.c4 Bb7 10.Rc1 Na6 11.Ne5 Nd7 12.Ndf3 Nxe5 13.Nxe5 Qd6 14.f4 f6 15.Nf3 c5
16.f5 gxf5 17.Nh4 e6 18.cxd5 Bxd5 19.e4 Bc6 20.exf5 Bxg2 21.Nxg2 e5 22.Rc4
Rad8 23.Qh5 Rf7 24.Rh4 Qxd3 25.Qxh7+ Kf8 26.Rg4 Nb4 27.Bc1 Qxf1+ 28.Kxf1 
Rd1+ 29.Ke2 Rxc1 30.Nh4 Rc2+ 31.Kf3 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.13"]
[Round "11"]
[White "Hecht, Hans-Joachim"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2325"]
[ECO "B26"]
[EventDate "1972.02.03"]
[PlyCount "79"]

1.e4 c5 2.Nf3 g6 3.g3 Bg7 4.Bg2 Nc6 5.O-O d6 6.d3 e6 7.Nc3 Nge7 8.Bg5 O-O 
9.Qd2 Rb8 10.Bh6 e5 11.Bxg7 Kxg7 12.Nh4 Nd4 13.f4 exf4 14.gxf4 Nec6 15.Nf3
Be6 16.Nxd4 Nxd4 17.Nd1 f6 18.c3 Nc6 19.Ne3 Ne7 20.f5 Bd7 21.Rf3 g5 22.h4 
h6 23.Ng4 Nc6 24.d4 Be8 25.hxg5 hxg5 26.Rh3 cxd4 27.cxd4 Rh8 28.Rxh8 Kxh8 
29.Qe3 Kg8 30.Qh3 Qb6 31.Rd1 Nxd4 32.Kh1 d5 33.Qh6 Kf7 34.e5 Nxf5 35.Bxd5+
Ke7 36.Qh7+ Kf8 37.Qg8+ Ke7 38.Qh7+ Kf8 39.Qxf5 Rd8 40.Nxf6 1-0

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.13"]
[Round "11"]
[White "Cordovil, Joao Maria"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[WhiteElo "2290"]
[BlackElo "2340"]
[ECO "B42"]
[EventDate "1972.02.03"]
[PlyCount "39"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 6.Nb3 Ba7 7.Qg4 Nf6 8.Qh4 
Nc6 9.Bg5 h6 10.Bf4 d6 11.Nc3 Ne5 12.Bxe5 dxe5 13.O-O-O Qc7 14.g4 Nd7 15.
g5 Nf8 16.Bb5+ Bd7 17.Bxd7+ Nxd7 18.g6 f6 19.Qh3 Ke7 20.Rd3 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.13"]
[Round "11"]
[White "Benko, Pal"]
[Black "Martz, William"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[ECO "C66"]
[EventDate "1972.02.03"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.Re1 Be7 6.c3 O-O 7.h3 Re8 8.d4 Bd7 
9.d5 Nb8 10.Bf1 a5 11.c4 Na6 12.Nc3 Nc5 13.Rb1 h6 14.b3 Nh7 15.Be3 b6 16.
a3 Ng5 17.Nd2 f5 18.Bxc5 bxc5 19.exf5 Bxf5 20.Nde4 Nxe4 21.Nxe4 Rf8 22.Bd3
Bh4 23.g3 Be7 24.h4 Qd7 25.Rb2 g6 26.Bf1 h5 27.Bg2 Kg7 28.Qd2 Rf7 29.Qc3 
Kh7 30.Rbe2 Qd8 31.Kh2 Qf8 32.Rf1 Qg7 33.Bh3 Bd8 34.f3 Be7 35.Kg2 Bd8 36.
Rh1 Qf8 37.Bxf5 gxf5 38.Ng5+ Bxg5 39.hxg5 Kg6 40.f4 e4 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.13"]
[Round "11"]
[White "Schaufelberger, Heinz"]
[Black "Durao, Joaquim Manuel"]
[Result "0-1"]
[WhiteElo "2340"]
[BlackElo "2280"]
[ECO "D63"]
[EventDate "1972.02.03"]
[PlyCount "68"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 Nbd7 6.Rc1 c6 7.e3 O-O 8.cxd5 
exd5 9.Bd3 Ne4 10.Bf4 Ndf6 11.Nd2 Bf5 12.Ndxe4 Nxe4 13.Bxe4 Bxe4 14.O-O 
Bg6 15.Na4 Bd6 16.Bxd6 Qxd6 17.Nc5 b6 18.Na4 f5 19.f4 Rae8 20.Qd2 Re6 21.
b3 Bh5 22.Rc3 Rfe8 23.g3 Qe7 24.Kf2 g5 25.fxg5 Qxg5 26.h4 Qg4 27.Kg2 Rg6 
28.Qf2 Qxh4 29.Qf4 Qxf4 30.Rxf4 Bg4 31.Rf1 Rh6 32.Rfc1 Ree6 33.Nb2 f4 34.
gxf4 Reg6 0-1

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.13"]
[Round "11"]
[White "Pomar Salamanca, Arturo"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2420"]
[ECO "D59"]
[EventDate "1972.02.03"]
[PlyCount "25"]

1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.Rc1 Bb7 
9.cxd5 Nxd5 10.Nxd5 Bxd5 11.Bxe7 Qxe7 12.Bc4 Bxf3 13.gxf3 1/2-1/2

[Event "12th Costa del Sol it"]
[Site "Malaga ESP"]
[Date "1972.02.13"]
[Round "11"]
[White "Palacios de la Prida, Ernesto"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[WhiteElo "2340"]
[BlackElo "2500"]
[ECO "A48"]
[EventDate "1972.02.03"]
[PlyCount "74"]

1.d4 Nf6 2.Nd2 c5 3.e3 g6 4.Ngf3 b6 5.b3 Bb7 6.Bb2 Bg7 7.c4 O-O 8.d5 e6 9.
e4 exd5 10.exd5 Re8+ 11.Be2 Nxd5 12.Bxg7 Nf4 13.Be5 Nxe2 14.Qxe2 Nc6 15.
O-O-O Nxe5 16.Nxe5 d6 17.f4 dxe5 18.Ne4 Qh4 19.g3 Qe7 20.Rd7 Qxd7 21.Nf6+ 
Kg7 22.Nxd7 Bxh1 23.fxe5 Rad8 24.Nf6 Re6 25.Qe3 Rd4 26.h3 h6 27.g4 Be4 28.
Qg3 a6 29.a4 Rd3 30.Qf4 Bc6 31.h4 Rf3 32.Qh2 Re3 33.g5 h5 34.Qd2 R6xe5 35.
Qd8 Re1+ 36.Kb2 R5e2+ 37.Kc3 Rc1+ 0-1

