[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Najdorf, Miguel"]
[Black "Silva Nazzari, Roberto"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A08"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 g6 4.O-O Bg7 5.d3 e6 6.e4 Nge7 7.Nbd2 O-O 8.Re1 d5
9.e5 f6 10.exf6 Bxf6 11.c3 Nf5 12.Nb3 Qb6 13.Bf4 Rd8 14.Qc1 a5 15.Nbd2 Bd7
16.Bg5 Rf8 17.Bxf6 Rxf6 18.Qc2 Raf8 19.Re2 Kg7 20.Rae1 h6 21.h4 Bc8 22.Nf1 Nd6
23.N1h2 Qc7 24.Nd2 h5 25.Ndf3 Nf7 26.d4 cxd4 27.cxd4 Qb6 28.Qd3 Nd6 29.a3 Nf5
30.Rd2 Bd7 31.Bh3 Nd6 32.Rc2 Bc8 33.Rd1 e5 34.dxe5 Nxe5 35.Nxe5 Bxh3 36.Qd4 Qxd4
37.Rxd4 Ne4 38.Nd3 Be6 39.Nf4 Bg8  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Aguirre, Alb"]
[Black "Foguelman, Alberto"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B18"]

1.e4 c6 2.Nc3 d5 3.d4 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nf3 Nd7 7.Bd3 Ngf6 8.h4 Qc7
9.h5 Bxd3 10.Qxd3 O-O-O 11.Ng5 e6 12.Qf3 Nb6 13.Bf4 Bd6 14.Bxd6 Rxd6 15.h6 Rxd4
16.hxg7 Rg8 17.Qxf6 Rf4 18.Qh6 Qe5+ 19.Kf1 Rxg7 20.Nf3 Qxb2 21.Qxf4 Qxa1+
22.Ne1 Nd5 23.Qe4 Nf6 24.Qb4 Nd5 25.Qf8+ Kc7 26.Nh5 Rg5 27.Qxf7+ Kb6 28.Rh3 Re5
29.Rb3+ Ka5 30.Ra3+ Kb6 31.Rb3+ Kc5 32.Re3 Rxe3  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Brond, Victor"]
[Black "Rubin, Mario"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D58"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.Rc1 O-O 6.Nf3 Nbd7 7.e3 h6 8.Bh4 dxc4
9.Bxc4 a6 10.a4 c5 11.O-O b6 12.Qe2 Bb7 13.Rfd1 Qe8 14.h3 Kh8 15.b3 Rg8 16.Bg3 Qf8
17.Ne5 Kh7 18.Qc2+ g6 19.Nxd7 Nxd7 20.dxc5 Nxc5 21.b4 Nxa4 22.Nxa4 b5 23.Nb6 bxc4
24.Nxa8 Qxa8 25.Rd7 Re8 26.f3 Kg8 27.Qxc4 Rc8 28.Rc7 Rxc7 29.Qxc7 Bxb4 30.Rd1 Qa7
31.Rd8+ Bf8 32.Bd6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Cornejo Yofre, J."]
[Black "Garcia, H."]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A35"]

1.d4 c5 2.c4 cxd4 3.Nf3 g6 4.Nxd4 Bg7 5.g3 Nc6 6.Nb3 d6 7.Bg2 Be6 8.O-O Qc8
9.Qc2 Nf6 10.Rd1 O-O 11.c5 Nb4 12.Qc3 Nfd5 13.Qc4 b5 14.Qxb5 Rb8 15.Qa5 Rd8
16.a3 Nc6 17.Qa4 Ne3 18.Rxd6 Bxb3 19.Qe4 exd6 20.Qxe3 Nd4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Cushnirsky, Pablo"]
[Black "Lida Garcia, Fernando"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E01"]

1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 cxd4 5.Nxd4 d5 6.c4 Qa5+ 7.Bd2 Qb6 8.Bc3 e5
9.Nb3 d4 10.Ba5 Qa6 11.Bc7 Qe6 12.O-O Na6 13.Ba5 Rb8 14.e3 b6 15.exd4 bxa5
16.dxe5 Nd7 17.Bd5 Qh3 18.Qf3 f6 19.exf6 Nxf6 20.Re1+ Be7 21.Bc6+ Bd7 22.Qe3 O-O
23.Bxd7 Qxd7 24.Qe6+ Rf7 25.Qxa6 a4 26.N3d2 Bb4 27.b3 Qd4 28.a3 Bc5 29.Rf1 Qxa1
30.Qxa4 Ng4 31.Ne4 Nxf2 32.Nxc5 Nh3+ 33.Kg2 Rxf1 34.Kxf1 Qxb1+ 35.Kg2 Ng5
36.Nd7 Qc2+ 37.Kf1 Qd1+ 38.Kf2 Qf3+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Farah, Rodolfo"]
[Black "Soria, Alejandro"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B41"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Qc7 6.c4 Nf6 7.Nc3 Bb4 8.Bd2 Nc6
9.Nxc6 Qxc6 10.Qe2 b6 11.e5 Qxg2 12.O-O-O Bb7 13.exf6 Bxc3 14.Bxc3 Qg5+ 15.Kb1 Bxh1
16.fxg7 Rg8 17.Rxh1 f6 18.Bxh7 Rxg7 19.Be4 Rc8 20.h4 Qf4 21.h5 Rg4 22.f3 Rh4
23.Rxh4 Qxh4 24.Bg6+ Ke7 25.a3 Rxc4 26.Be1 Qf4 27.Bd2 Qd4 28.Be3 Qh4 29.Bd3 Qh1+
30.Ka2 Rh4 31.Bxb6 Rxh5 32.Bxa6 Rf5 33.Bb7 d5 34.Qc2 Qf1 35.Qc7+ Kf8 36.Bc5+ Kg8
37.Qc8+ Kh7 38.Ba6 Qxf3 39.Qxe6 Qe4 40.Qf7+ Kh6 41.Bf8+ Kg5 42.Qg7+ Kh4 43.Qh6+ Kg4
44.Qh2 Kf3 45.Bd6 Rg5 46.Qh3+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Luckis, Marcos"]
[Black "Pleci, Isaias"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B14"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.e3 c5 7.Bc4 Nb6 8.Bb3 cxd4
9.exd4 O-O 10.Be3 Nc6 11.h3 Na5 12.Bc2 Be6 13.O-O Rc8 14.Ng5 Bc4 15.Re1 Nd5
16.Nxd5 Bxd5 17.Be4 Nc4 18.Qf3 e6 19.Bxd5 exd5 20.b3 Na3 21.Rac1 Nc2 22.Red1 h6  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Munoz, R."]
[Black "Incutto, Carlos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E38"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.Nf3 cxd4 6.Nxd4 Nc6 7.Nxc6 bxc6 8.Bg5 Qa5
9.Bxf6 gxf6 10.Rc1 Qxa2 11.e4 Rb8 12.Bd3 Bxc3+ 13.bxc3 Qxc2 14.Rxc2 Rb1+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Yunis, J."]
[Black "Pelikan, Jorge"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B48"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Nc6 6.a3 Qc7 7.Be3 Nf6 8.Be2 Be7
9.O-O d6 10.f4 Bd7 11.Nf3 Ng4 12.Qd2 b5 13.Kh1 Nxe3 14.Qxe3 Qa7 15.Qxa7 Rxa7
16.Rad1 O-O 17.Na2 Rc8 18.Rd2 Na5 19.b3 Bc6 20.e5 dxe5 21.b4 Bxf3 22.Bxf3 Nc4
23.Rd3 exf4 24.Rf2 Rac7 25.c3 Nxa3 26.Be4 f5 27.Bf3 Nc4 28.g4 Ne5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Nemoy, E."]
[Black "Bronstein, Luis"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B56"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bb5 Bd7 7.Nxc6 bxc6 8.Bd3 g6
9.O-O Bg7 10.Ne2 O-O 11.c3 Rb8 12.Nd4 e5 13.Nc2 Be6 14.Nb4 Rb6 15.a4 a5 16.Be3 axb4
17.Bxb6 Qxb6 18.cxb4 Qxb4 19.Qc2 c5 20.f3 c4 21.Be2 d5 22.a5 Ra8 23.Ra4 Qc5+
24.Kh1 Rxa5 25.b4 cxb3 26.Qxb3 Rxa4 27.Qxa4 h5 28.h3 h4 29.exd5 Nxd5 30.Qxh4 Ne3
31.Qd8+ Bf8 32.Ra1 Nf5 33.Ra8 Ng3+ 34.Kh2 Nxe2 35.Qxf8+ Qxf8 36.Rxf8+ Kxf8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Palermo, Vicente"]
[Black "Linares, E."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E17"]

1.d4 e6 2.c4 Nf6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 c5 7.d5 d6 8.O-O e5 9.e4 O-O
10.Ne1 Kh8 11.Nd3 Ng8 12.f4 exf4 13.Bxf4 g5 14.Be3 Nd7 15.e5 f6 16.exd6 Bxd6
17.Be4 Qe8 18.Bd2 Ne5 19.Nxe5 Bxe5 20.Qc2 Qh5 21.Bf5 Rae8 22.Rae1 Nh6 23.Be6 Ng4
24.Bxg4 Qxg4 25.Ne4 Bc8 26.Bc3 Bf5 27.Nf2 Qf3 28.Qd2 Qh5 29.Bxe5 Rxe5 30.Rxe5 fxe5
31.Qc3 Re8 32.Re1 Kg8 33.Rxe5 Qf7 34.g4 Bg6 35.Qe3 h6 36.Kg2 Kg7 37.Rxe8 Qxe8
38.Qxe8 Bxe8 39.Kf3 Kf6 40.Ke3 Bg6 41.Nd3 Be8 42.b4 cxb4 43.Nxb4 a5 44.Nd3 h5
45.gxh5 Bxh5 46.Kd4 Bf3 47.Ne5 Bh5 48.Nd7+ Ke7 49.Nxb6 Kd6 50.c5+ Kc7 51.Nc4 a4
52.d6+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Patkan, A."]
[Black "Pilnik, Herman"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C50"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.c3 Nf6 5.O-O O-O 6.Re1 Nxe4 7.Nxe5 Nxe5 8.Bxf7+ Rxf7
9.Rxe4 Nd3 10.Qe2 Nxc1 11.Qf1 d5 12.Re1 d4 13.Rxc1 d3 14.b4 a5 15.a3 Bg4
16.f3 axb4 17.cxb4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Puiggros, Guillermo"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B48"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Be3 Nf6 6.Nc3 e6 7.Bd3 a6 8.Nxc6 bxc6
9.O-O Be7 10.Qe2 c5 11.Rae1 Bb7 12.Bc1 d6 13.f4 O-O 14.Rf3 g6 15.Rh3 Rfe8
16.e5 Nd7 17.exd6 Qxd6 18.Rd1 Qc7 19.Ne4 Nf6 20.Ng5 Bd6 21.Qd2 Bf8  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Schweber, Samuel"]
[Black "Puigserver, M."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C71"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.d4 b5 6.Bb3 Be7 7.dxe5 Nxe5 8.Nxe5 dxe5
9.Qh5 g6 10.Qxe5 f6 11.Qc3 Qd6 12.O-O Qe5 13.Qc6+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Seidler, A."]
[Black "Cuasnicu, Oscar"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B21"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.c3 Nf6 5.Qxd4 Bd7 6.Bg5 Nc6 7.Qe3 Ng4 8.Qd2 h6
9.Bh4 Rc8 10.Na3 g5 11.Bg3 Bg7 12.h4 Nf6 13.hxg5 Nxe4 14.Qe3 Nxg3 15.gxh6 Rxh6
16.Qxh6 Nxh1 17.Qxg7 Be6 18.Qh8+ Kd7 19.Qxh1 Qb6 20.Bb5 a6 21.Bxc6+ bxc6
22.O-O-O Qxf2 23.Rd2 Qc5 24.Qe1 Rb8 25.Qe4 Rh8 26.Rd1 Rg8 27.Ne5+ Ke8 28.Nd3 Qg5+
29.Rd2 Bd5 30.Qf4 Bxg2 31.Qb4 f5 32.Nc4 Be4 33.Qb8+ Kf7 34.Nxd6+ exd6 35.Qxd6 Rd8
36.Ne5+ Ke8 37.Qe6+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Suarez, Osvaldo C"]
[Black "Ocampo, Raul"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A65"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Bg5 O-O 5.e4 c5 6.d5 d6 7.Be2 e6 8.Qd2 exd5
9.cxd5 Re8 10.Bd3 Nbd7 11.f4 h6 12.Bh4 b5 13.Nf3 c4 14.Bc2 b4 15.Nb5 Nxe4
16.Bxe4 Rxe4+ 17.Kf1 Qb6 18.a4 bxa3 19.Nxa3 c3 20.Qc2 cxb2 21.Re1 Ba6+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "1"]
[White "Szmetan, Ricardo"]
[Black "Cao, Jorge"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E97"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Nc6 8.d5 Ne7
9.b4 Nd7 10.Nd2 f5 11.c5 Nf6 12.f3 f4 13.Nc4 g5 14.a4 h5 15.Ba3 Ng6 16.b5 Ne8
17.a5 Rf7 18.b6 axb6 19.axb6 Bf8 20.bxc7 Rxc7 21.cxd6 Nxd6 22.Bxd6 Rxa1 23.Bxc7 Qxc7
24.Qxa1 g4 25.d6 Qc5+ 26.Kh1 gxf3 27.gxf3 b5 28.Nd5 bxc4 29.d7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Steinbaum, Fernando"]
[Black "Wexler, Bernardo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E61"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.Bg5 c5 6.e3 d6 7.Be2 Nbd7 8.O-O h6
9.Bh4 b6 10.h3 Bb7 11.d5 Ne8 12.Qc2 Nc7 13.Rad1 a6 14.a4 Rb8 15.Rfe1 Bc8
16.Bf1 Nf6 17.Bg3 Bd7 18.e4 b5 19.e5 Nfe8 20.e6 fxe6 21.dxe6 Bxe6 22.Qxg6 b4
23.Be5 Bf5 24.Qh5 bxc3 25.Bxg7 Kxg7 26.Nh4 Bh7 27.Rd3 Rf6 28.Rg3+ Kf8 29.Ng6+ Bxg6
30.Rxg6 Ng7 31.Rxf6+ exf6 32.Qxh6 f5 33.Be2 Ne6 34.Bh5 Qg5 35.Rxe6 Qxh6 36.Rxh6 c2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Cuasnicu, Oscar"]
[Black "Rossetto, Hector"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B32"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 a6 6.Nd6+ Bxd6 7.Qxd6 Qf6 8.Qd1 Qg6
9.Nc3 Nge7 10.h4 d5 11.h5 Qd6 12.h6 d4 13.hxg7 Rg8 14.Ne2 Rxg7 15.Ng3 Be6
16.Bh6 Qb4+ 17.Bd2 Qc5 18.Bd3 O-O-O 19.Kf1 Kb8 20.a3 Rdg8 21.b4 Qd6 22.Rb1 f5
23.exf5 Rxg3 24.fxe6 Rxg2 25.Be4 R2g4 26.Qf3 Qxe6 27.b5 Qa2 28.Rb3 Qa1+ 29.Be1 axb5
30.Rxb5 Rf4 31.Bxc6 Rxf3 32.Bxf3 Qxa3 33.Bxb7 Rg7 34.Rh3 Qa4 35.Rb2 Kc7 36.Be4 Qc4+
37.Bd3 Qd5 38.f3 Nc6 39.Be4 Qc4+ 40.Bd3 Qg8 41.Bf2 Qe6 42.Rh1 Qf6 43.Ke2 Qf4
44.Rxh7 Rxh7 45.Bxh7 Ne7 46.Be4 Nf5 47.Rb7+ Kc8 48.Rf7 Ng3+ 49.Bxg3 Qxf7
50.Bxe5 Qc4+ 51.Bd3  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Benko, Francisco"]
[Black "Brond, Victor"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B22"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Qxd4 e6 6.Nf3 Nc6 7.Qe4 f5 8.exf6 Nxf6
9.Qh4 d5 10.Bg5 e5 11.Bb5 Bd6 12.O-O O-O 13.Re1 Qc7 14.c4 d4 15.c5 Bxc5 16.Bc4+ Kh8
17.Nbd2 Bf5 18.Rac1 Rae8 19.Bxf6 gxf6 20.Bd5 Bb4 21.a3 Bxd2 22.Nxd2 Qd7 23.Be4 Ne7
24.Bxf5 Nxf5 25.Qh3 Re7 26.Ne4 b6 27.b4 Qe6 28.Rc2 Ng7 29.Qd3 Rd8 30.f3 f5
31.Nf2 Nh5 32.g3 Qg6 33.Kf1 Nf6 34.Rce2 Rde8 35.f4 Nd5 36.Nd1 Nxf4 37.gxf4 Rg8
38.Qg3 Qc6 39.Qxg8+ Kxg8 40.Rg2+ Rg7 41.Rxg7+ Kxg7 42.fxe5 Qh1+ 43.Ke2 Qxh2+
44.Kd3 Qg3+ 45.Kd2 Qxa3 46.e6 Qxb4+ 47.Ke2 d3+ 48.Kf1 d2 49.Re3 Qc4+ 50.Kf2 Kf8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Bronstein, Luis"]
[Black "Farah, Rodolfo"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A38"]

1.Nf3 Nf6 2.g3 g6 3.b3 c5 4.c4 Bg7 5.Bb2 O-O 6.Bg2 Nc6 7.O-O b6 8.Nc3 Bb7
9.d4 Nxd4 10.Nxd4 Bxg2 11.Kxg2 cxd4 12.Qxd4 Nh5 13.Qd2 d6 14.e4 Rc8 15.Rad1 Qd7
16.Nd5 Bxb2 17.Qxb2 Qe6 18.Rde1 Nf6 19.f4 Nxd5 20.exd5 Qd7 21.Qe2 Rc7 22.f5 b5
23.cxb5 Rfc8 24.Rf2 Rc2 25.Qxc2 Rxc2 26.Rxc2 Qxf5 27.Rd2 Qg5 28.Red1 h5 29.a4 Qg4
30.Rd4 Qe2+ 31.Kg1 Qe3+ 32.Kg2 Qe2+ 33.Kg1 Qe3+ 34.Kg2 Qe2+  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Rubin, Mario"]
[Black "Roisman, Manuel"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A86"]

1.d4 f5 2.g3 Nf6 3.Bg2 d6 4.c4 c6 5.Nc3 Qc7 6.e4 fxe4 7.Nxe4 Bf5 8.Ng5 Nbd7
9.Qe2 e5 10.dxe5 dxe5 11.Bd2 Nc5 12.N1f3 Nd3+ 13.Kf1 O-O-O 14.Bh3 Bxh3+ 15.Nxh3 Qd7
16.Kg2 e4 17.Nfg5 Nxf2 18.Kxf2 Bc5+ 19.Ke1 h6 20.Rd1 hxg5 21.Nf2 Qf5 22.Be3 Rxd1+
23.Kxd1 Bxe3 24.Qxe3 Qf3+ 25.Qxf3 exf3 26.g4 Rd8+ 27.Kc2 Re8 28.Rd1 Kc7 29.Rd3 Re2+
30.Rd2 Ne4 31.Nxe4 Rxe4 32.h3 Rxc4+ 33.Kd3 Rf4 34.Rf2 Kd6 35.Ke3 Ke5 36.Kd3 c5
37.Ke3 Re4+ 38.Kd3 Kf4 39.Rf1 Rd4+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "De Benko, M."]
[Black "Munoz, R."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D05"]

1.Nf3 e6 2.d4 Nf6 3.e3 d5 4.Nbd2 c5 5.c3 Nbd7 6.Bd3 Bd6 7.Qe2 O-O 8.O-O a5
9.e4 dxe4 10.Nxe4 Nxe4 11.Bxe4 cxd4 12.cxd4 Nf6 13.Bg5 h6 14.Bh4 Be7 15.Bc2 b6
16.Bxf6 Bxf6 17.Qe4 g6 18.Qxa8 Qc7 19.Qe4 Bb7 20.Qe2 Bxf3 21.Qxf3 Bxd4 22.Qb3 Rc8
23.Bd3 Qf4 24.g3 Qe5 25.Rae1 Qf6 26.Re2 h5 27.h4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Foguelman, Alberto"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E67"]

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.Nc3 O-O 5.g3 d6 6.Bg2 Nbd7 7.O-O e5 8.Qc2 Re8
9.Rd1 c6 10.Bg5 Qc7 11.Qd2 exd4 12.Nxd4 Nc5 13.Bf4 Ng4 14.b4 Nd7 15.Rac1 Nde5
16.c5 dxc5 17.bxc5 Nf6 18.Nf3 Nxf3+ 19.Bxf3 Qe7 20.Bd6 Qe6 21.Rb1  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Letelier, Rene"]
[Black "Bazan, Osvaldo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B31"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 a6 6.Bxc6 dxc6 7.d3 Nf6 8.Qe2 O-O
9.a4 a5 10.Na3 b6 11.Rd1 Qc7 12.d4 cxd4 13.cxd4 Rd8 14.h3 Ba6 15.Qc2 Rac8
16.Be3 b5 17.Rac1 b4 18.Nb1 b3 19.Qxb3 Nxe4 20.Nbd2 Rb8 21.Qc2 Nxd2 22.Rxd2 Rdc8
23.Qe4 Rb4 24.Rdc2 Bb7 25.Bd2 Rxa4 26.b3 Ra3 27.d5 Rxb3 28.dxc6 Ba6 29.Qa4 Rb5
30.Rc5 Qb6 31.Bxa5 Rxc5 32.Bxb6 Rxc1+ 33.Kh2 R1xc6 34.Qxa6 Rb8 35.Qa7 Rcxb6
36.Qxe7 Rf6 37.Qc7 Re8 38.Qd7 Rfe6 39.g3 h6 40.h4 Re2 41.Kg2 Rb8 42.Ng1 Rc2
43.h5 g5 44.Qf5 Rbb2 45.Nh3 Bd4 46.Qa5 Bxf2 47.Nxf2 Rxf2+ 48.Kh3 Rbd2 49.Qa8+ Kg7
50.Qa1+ Rb2 51.Qa5 Rh2+ 52.Kg4 Rbf2 53.Qa7 Rd2 54.Qe3 Rhe2 55.Qc3+ Kh7 56.Qc4 Rf2
57.Kh3 Rd8 58.Qe4+ Kh8 59.Qc6 Kg7 60.Qc3+ Kg8 61.Qc4 Rfd2 62.Qc6 Kg7 63.Qc7 R8d4
64.Qe5+ Kh7 65.Qf5+ Kg8 66.Qc8+ Kg7  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Link, Hugo E"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C09"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.exd5 exd5 6.Bb5 Bd6 7.dxc5 Bxc5 8.O-O Ne7
9.Nb3 Bb6 10.c4 O-O 11.h3 Qd6 12.Qe2 d4 13.Rd1 a6 14.Bxc6 Nxc6 15.Nfxd4 Bxd4
16.Be3 Qg6 17.Nxd4 Bxh3 18.Qf1 Rad8 19.Nxc6 bxc6 20.f3 Be6 21.Qe2 h5 22.b3 Rfe8
23.Rxd8 Rxd8 24.Rd1 Re8 25.Qf2 Bf5 26.Bd4 Qd6 27.Qd2 Qe6 28.Qg5 Bg6 29.Bf2 Kh7
30.Re1 Qf5 31.Qxf5 Rxe1+ 32.Bxe1 Bxf5 33.b4 Be6 34.a4 Bxc4 35.a5 Kg6 36.Bc3 f6
37.Kf2 Kf5 38.Bd4 g5 39.g4+ hxg4 40.fxg4+ Ke6 41.Kg3 Be2 42.Bb6 Kd5 43.Bc5 Ke6
44.Bb6 Kf7 45.Bc5 Kg6 46.Bd4 Bd1 47.Bc5 Kf7 48.Bd4 Ke6 49.Bc5 Kd5 50.Bb6 Kc4
51.Bc5 Be2 52.Be7 Bd1 53.Bf8  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Pilnik, Herman"]
[Black "Szmetan, Ricardo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C77"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 b5 6.Bb3 Be7 7.c3 O-O 8.d3 d5
9.Nbd2 d4 10.cxd4 Nxd4 11.Nxd4 Qxd4 12.O-O Bg4 13.Nf3 Bxf3 14.Qxf3 c5 15.Rd1 Rad8
16.Rb1 c4 17.Be3 Qd6 18.dxc4 Qb4 19.Rbc1 Rc8 20.cxb5 Rxc1 21.Rxc1 axb5 22.h3 Nxe4
23.Rc7 Bf6 24.Qd1 h6 25.a3 Qd6 26.Qc2 Ng5 27.Rb7 Rb8 28.h4 Ne6 29.Rxb8+ Qxb8
30.Bxe6 fxe6 31.Qc6 Bxh4 32.Qxe6+ Kh7 33.g3 Bd8 34.b3 Qa8 35.Qf5+ Kg8 36.Qxe5 Qxa3
37.Qd5+ Kh7 38.Qd3+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Vasta, Eduardo"]
[Black "Rubinetti, Jorge A"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C55"]

1.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.Nf3 Nc6 5.Ng5 Ne5 6.Bb3 h6 7.f4 hxg5 8.fxe5 Nxe4
9.Qxd4 Nc5 10.Nc3 d6 11.O-O Nxb3 12.axb3 Be6 13.Ne4 dxe5 14.Qxe5 Qd5 15.Qxd5 Bxd5
16.Re1 O-O-O 17.Bxg5 f6 18.Bf4 Re8 19.Nc3 Bc5+ 20.Kf1 Bc6 21.Rxe8+ Rxe8 22.Rd1 g5
23.Bg3 f5 24.Bf2 Bd6 25.h3 a6 26.Nd5 Re6 27.c4 a5 28.Nc3 b6 29.Rd2 Kb7 30.Ne2 Bb4
31.Nd4 Rd6 32.Re2 Be4 33.Kg1 Rg6 34.g4 Rf6 35.gxf5 Bxf5 36.Re5 Bxh3 37.Rxg5 Bc5
38.Rd5 c6 39.Rd8 Kc7 40.Rh8 Rxf2 41.Kxf2 Bxd4+ 42.Kg3 Bxh8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Pleci, Isaias"]
[Black "Palermo, Vicente"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A25"]

1.c4 g6 2.Nc3 Bg7 3.g3 e5 4.Bg2 Ne7 5.e3 Nbc6 6.a3 O-O 7.Nge2 d6 8.b4 Be6
9.d3 d5 10.cxd5 Nxd5 11.Bb2 Qd7 12.Ne4 Qd8 13.Rc1 a5 14.b5 Na7 15.d4 Nxb5
16.dxe5 b6 17.Qd3 Qd7 18.Ng5 Rad8 19.Nxe6 fxe6 20.O-O c5 21.Qb3 Na7 22.e4 a4
23.Qc4 Nc7 24.Bh3 Nc6 25.f4 Na5 26.Qc2 Qd2 27.Nc3 Nc4 28.Rf2 Qxc2 29.Rfxc2 g5
30.Nxa4 Nxb2 31.Rxb2 gxf4 32.Rxb6 Bxe5 33.Bxe6+ Nxe6 34.Rxe6 Bd4+ 35.Kh1 f3
36.Rc6 Be3 37.Rf1 Rd3 38.Nb6  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "2"]
[White "Pacheco, V."]
[Black "Studenetzky, Moises"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D13"]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Nh5 7.Bg3 g6 8.Qb3 e6
9.e3 Bg7 10.Be2 O-O 11.O-O Nxg3 12.hxg3 Re8 13.Rfc1 a6 14.Na4 Qe7 15.Nb6 Rb8
16.Rc5 Bd7 17.Rac1 Red8 18.Bf1 Be8 19.Ne1 Bf8 20.Nd3 Qg5 21.R5c2 Bd6 22.Nc5 h5
23.Qc3 Ne7 24.e4 Bc7 25.Nxe6 fxe6 26.Qxc7 dxe4 27.Rc5 Qf6 28.Re5 Rbc8 29.Nxc8 Rxc8
30.Qxc8 Nxc8 31.Rxc8 Kg7 32.Rxe8 a5 33.R8xe6 Qd8 34.Rxe4 Qc8 35.d5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Guichon, D."]
[Black "Letelier, Rene"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A76"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O
9.O-O Re8 10.Qc2 Na6 11.Bf4 Nc7 12.Nd2 Bf8 13.Rfe1 Ng4 14.Qb3 Bh6 15.Bxh6 Nxh6
16.Nc4 f6 17.Na5 Qe7 18.Nb5 Nf7 19.Nxc7 Qxc7 20.Qb5 Re7 21.Nc4 Bd7 22.Qa5 b6
23.Qc3 Rxe4 24.Qxf6 Rae8 25.Ne3 Qd8 26.Qc3 b5 27.b3 Ne5 28.Rad1 a5 29.f3 b4
30.Qc1 Rh4 31.g3 Rd4 32.f4 Rxd1 33.Qxd1 Nf7 34.Nc4 Qf6 35.Bf3 Rxe1+ 36.Qxe1 Qd8
37.Qe2 a4 38.Bg4 axb3 39.axb3 Bxg4 40.Qxg4 Qf6 41.Qf3 Kg7 42.Kg2 Qd4 43.f5 Ne5
44.f6+ Kf8 45.Qe3 Qxd5+ 46.Kf1 Kf7 47.Nxe5+ Qxe5 48.Ke2 Kxf6  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Ferreyra Moyano, H."]
[Black "Panno, Oscar"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E82"]

1.c4 g6 2.Nc3 Bg7 3.d4 Nf6 4.e4 d6 5.f3 O-O 6.Be3 b6 7.Bd3 a6 8.Nge2 c5 9.d5 e6
10.Qd2 exd5 11.cxd5 b5 12.g4 Nbd7 13.Ng3 Ne5 14.Be2 c4 15.g5 Nfd7 16.f4 Nd3+
17.Bxd3 cxd3 18.Qxd3 b4 19.Nd1 a5 20.Nf2 Bxb2 21.O-O Ba6 22.Qb3 Bc3 23.Ng4 Bxf1
24.Rxf1 Bg7 25.f5 Ne5 26.f6 Nxg4 27.fxg7 Re8 28.h4 a4 29.Qd3 Nxe3 30.Qxe3 Rb8
31.h5 Qb6 32.Qxb6 Rxb6 33.h6 b3 34.axb3 axb3 35.e5 Rxe5 36.Rc1 Rb8 37.Kf2 b2
38.Rb1 Rb4 39.Kf3 Rxg5 40.Ne2 Rh5 41.Nf4 Rf5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Bazan, Osvaldo"]
[Black "Anelli, Antonio"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A28"]

1.c4 e5 2.Nc3 Nc6 3.e3 Nf6 4.Nf3 d6 5.d4 g6 6.dxe5 Nxe5 7.Nxe5 dxe5 8.Qxd8+ Kxd8
9.Bd2 c6 10.Be2 Be6 11.O-O Kc7 12.Rfc1 Rd8 13.Be1 Be7 14.Na4 Nd7 15.c5 Kb8
16.b4 Rc8 17.Bc3 Rhd8 18.Nb2 f6 19.Nc4 Nf8 20.a4 Bf5 21.a5 a6 22.Nb6 Rc7
23.Rd1 Nd7 24.Nc4 Nf8 25.Rxd8+ Bxd8 26.Nb6 Be6 27.Rd1 Be7 28.e4 g5 29.h3 Bf7
30.Bg4 Ne6 31.f3 h5 32.Bxe6 Bxe6 33.Kf2 h4 34.g3 hxg3+ 35.Kxg3 Ka7 36.Kf2 Kb8
37.Kg2 Ka7 38.Be1 Kb8 39.h4 gxh4 40.Bxh4 Ka7 41.Bg3 Bb3 42.Rd2 Be6 43.Kf2 f5
44.Bxe5 Bh4+ 45.Ke3 Rh7 46.Rd6 Bb3 47.Bf6 Bxf6 48.Rxf6 Rf7 49.e5 Rxf6 50.exf6 Kb8
51.Nd7+ Kc7 52.Ne5 Kd8 53.Kf4 Be6 54.Kg5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Bulcourf, Carlos"]
[Black "Garcia, H."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A00"]

1.e3 g6 2.d4 Bg7 3.Nd2 d6 4.c3 e5 5.Ngf3 Nd7 6.Bc4 Ngf6 7.O-O O-O 8.dxe5 dxe5
9.e4 Qe7 10.Qc2 Nh5 11.Re1 Nc5 12.b4 Ne6 13.Nb3 Nef4 14.g3 Bg4 15.Nh4 Rad8
16.Ng2 Nh3+ 17.Kf1 Ng5 18.Nh4 Qf6 19.Be2 Nf3 20.Nxf3 Bxf3 21.Be3 b6 22.Rad1 Bxe2+
23.Qxe2 Qc6 24.Bd2 f5 25.b5 Qb7 26.Bg5 Rxd1 27.Rxd1 h6 28.Qc4+ Kh7 29.Be7 Rg8
30.Rd7 fxe4 31.Qxc7 Qa8 32.Qxa7 Qe8 33.g4 Nf4 34.Bf6 Ne6 35.Bxg7 Nxg7 36.Nd2 Qc8
37.Qc7 Qa8 38.Qb7 Qe8 39.Nxe4 Qe6 40.Re7 Qc4+ 41.Kg2 Kh8 42.Nf6 Qf4 43.Rxg7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Lechere, R."]
[Black "Luckis, Marcos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C69"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 exd4 7.Qxd4 Qxd4 8.Nxd4 Bd6
9.f4 Ne7 10.Nd2 c5 11.N4b3 O-O 12.Nc4 Be6 13.Nca5 Rab8 14.e5 fxe5 15.fxe5 Rxf1+
16.Kxf1 Bxe5 17.Nxc5 Rf8+ 18.Ke1 Bc8 19.Bg5 Bxb2 20.Bxe7 Re8 21.Rd1 Rxe7+
22.Kf2 Rf7+ 23.Kg1 b6 24.Nc6 bxc5 25.Rd8+ Rf8 26.Rxc8 Bd4+ 27.Kh1 Rxc8 28.Ne7+ Kf7
29.Nxc8 c4 30.c3 Bc5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Najdorf, Miguel"]
[Black "Lida Garcia, Fernando"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A77"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 Bg7 5.e4 d6 6.Nf3 O-O 7.Be2 e6 8.O-O exd5
9.cxd5 Re8 10.Nd2 a6 11.a4 Nbd7 12.f3 Ne5 13.Kh1 b6 14.f4 Neg4 15.Nb3 c4  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Palermo, Vicente"]
[Black "Link, Hugo E"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A03"]

1.f4 d5 2.Nf3 g6 3.g3 Bg7 4.Bg2 c5 5.O-O Nf6 6.d3 O-O 7.Qe1 Nc6 8.e4 dxe4
9.dxe4 b6 10.c3 Ba6 11.Rf2 Qc7 12.e5 Ng4 13.Rd2 h5 14.Na3 Rad8 15.Nc2 Bd3
16.h3 Nh6 17.Ne3 b5 18.Qd1 c4 19.Kh2 Qb6 20.Qg1 b4 21.Ne1 bxc3 22.bxc3 h4
23.g4 Nxe5 24.Ba3 Qxe3 25.Qxe3 Nexg4+ 26.hxg4 Nxg4+ 27.Kg1 Nxe3 28.Rc1 Bf6
29.Bf3 Nd5 30.Nxd3 cxd3 31.Rxd3 Nxf4 32.Rxd8 Rxd8 33.Bb4 Rd3 34.Kf2 h3 35.Bh1 Bh4+
36.Kf1 Rd2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Paglilla, Carlos"]
[Black "Gorini, Carlos"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E73"]

1.e4 d6 2.c4 Nf6 3.Nc3 g6 4.d4 Bg7 5.Be2 c6 6.f4 O-O 7.Nf3 Na6 8.O-O c5 9.d5 Nc7
10.e5 Nd7 11.exd6 exd6 12.f5 Ne5 13.Nxe5 Bxe5 14.fxg6 hxg6 15.Bf4 Bxf4 16.Rxf4 Qg5
17.Qf1 Kg7 18.Qf3 f5 19.h4 Qe7 20.Qg3 Bd7 21.Bh5 Rf6 22.Re1 Qf7 23.Bd1 Rf8
24.h5 Kh6 25.hxg6 Qxg6 26.Qh4+ Kg7 27.Re7+ R8f7 28.Bh5 Rxe7 29.Bxg6 Kxg6
30.Qg3+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Puiggros, Guillermo"]
[Black "Silva Nazzari, Roberto"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B34"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Bc4 Bg7 6.Nxc6 bxc6 7.O-O d6 8.Nc3 Nf6
9.Qe2 O-O 10.Rd1 Qb6 11.h3 Nd7 12.a4 a5 13.Ra3 Ba6 14.Bxa6 Qxa6 15.Qxa6 Rxa6
16.Re1 Rb8 17.Nd1 Nc5 18.b3 Rb4 19.f3 Bd4+ 20.Kf1 Rb7 21.Be3 Ne6 22.Bxd4 Nxd4
23.Ne3 Kf8 24.Raa1 f6 25.Rad1 c5 26.Rd2 Ra8 27.Kf2 Kf7 28.f4 Nc6 29.Nc4 Rd8
30.Red1 Rbb8 31.e5 dxe5 32.Rxd8 Rxd8 33.Rxd8 Nxd8 34.fxe5 Nc6 35.exf6 Kxf6
36.Ke3 Kf5 37.g4+ Kf6 38.Ke4 e6 39.h4 h6 40.c3 g5 41.h5 Ke7 42.Ne5 Nd8 43.Kd3 Kd6
44.Nc4+ Kd5 45.Nxa5 Nf7 46.Nc4 Nd8 47.a5 Nc6 48.Ke3 e5 49.a6 Na7 50.Na5 Kd6
51.Ke4 Ke6 52.Nc4 Nc6 53.Nxe5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Rossetto, Hector"]
[Black "Link, Hugo E"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D32"]

1.d4 Nf6 2.c4 c5 3.e3 e6 4.Nf3 d5 5.Nc3 Nc6 6.cxd5 exd5 7.Be2 cxd4 8.Nxd4 Bc5
9.O-O O-O 10.Nxc6 bxc6 11.b3 Qe7 12.Bb2 Bf5 13.Na4 Bd6 14.Rc1 Rac8 15.Bf3 Nd7
16.Qd4 Be5 17.Qd2 Qg5 18.Nc5 Bb8 19.Nxd7 Bxd7 20.Rfd1 Rfe8 21.Qb4 c5 22.Qb7 Bc6
23.Qa6 Qh6 24.h3 d4 25.Rxc5 dxe3 26.Rxc6 Qf4 27.fxe3 Qxe3+ 28.Kh1 Rxc6 29.Bxc6 Qg3
30.Kg1 Re1+ 31.Qf1 Qe3+ 32.Kh1 Rxf1+ 33.Rxf1 Qe2 34.Rb1 Qc2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Rubinetti, Jorge A"]
[Black "Pelikan, Jorge"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A50"]

1.d4 Nf6 2.c4 b6 3.Nc3 Bb7 4.Qc2 c5 5.d5 e6 6.e4 d6 7.Nf3 exd5 8.cxd5 a6
9.a4 Be7 10.Be2 O-O 11.O-O Re8 12.Re1 Bf8 13.Bf4 Nbd7 14.h3 Qc7 15.Bf1 g6
16.Rad1 Rad8 17.Nd2 Nh5 18.Be3 Bc8 19.Nc4 Ne5 20.f4 Nxc4 21.Bxc4 Bg7 22.g4 Nf6
23.Qg2 Kh8 24.Bf2 Ng8 25.Kh1 Qe7 26.Bg3 g5 27.fxg5 Qxg5 28.Rf1 h5 29.Bf4 Qg6
30.gxh5 Qxh5 31.Rd3 Be5 32.Rg3 f6 33.Be2 Qh7 34.Bxe5 Rxe5 35.Bg4 Bxg4 36.Rxg4 Rh5
37.Kh2 Nh6 38.Rg3 f5 39.Qf3 Qf7 40.Ne2 Rh4 41.exf5 Re8  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Schweber, Samuel"]
[Black "Pleci, Isaias"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C98"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 Na5
9.Bc2 c5 10.h3 Qc7 11.d3 Nc6 12.Nbd2 d5 13.Nf1 dxe4 14.dxe4 O-O 15.Ne3 Rd8
16.Qe2 g6 17.a4 Rb8 18.axb5 axb5 19.Nd5 Nxd5 20.exd5 Rxd5 21.Be4 Rd6 22.Bxc6 Rxc6
23.Qxe5 Qxe5 24.Nxe5 Re6 25.Bf4 Bd6 26.Nc6 Rb6 27.Rxe6 Bxe6 28.Ra8+ Kg7 29.Bxd6 Rxc6
30.Be5+ f6 31.Ra7+ Bf7 32.Bf4 g5 33.Be3 b4 34.c4 Kg8 35.b3 Bg6 36.Ra2 Kf7
37.Kf1 Ke6 38.Ke2 Be4 39.g3 h5 40.f3 Bg6 41.Rd2 h4 42.g4 Ke7 43.Kd1 Bf7 44.Kc1 Be6
45.Ra2 Kd6 46.f4 f5 47.Rd2+ Ke7 48.gxf5 gxf4 49.Bxf4 Bxf5 50.Bg5+ Ke6 51.Re2+ Kd7
52.Re7+ Kd6 53.Re3 Kd7 54.Bxh4 Rh6 55.Be7 Bxh3 56.Bxc5 Bf1 57.Bxb4 Rh4 58.Re7+ Kc6
59.Re5 Kb6 60.Rb5+ Ka6 61.Rc5 Kb6 62.Kb2 Be2 63.Ba3 Kb7 64.Rb5+ Ka6 65.Kc3 Bd1
66.Bc5 Rh6 67.Rb8 Bf3 68.b4 Bh1 69.Be3 Rh3 70.Kd3  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Seidler, A."]
[Black "Brond, Victor"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B21"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.c3 dxc3 5.Nxc3 Nc6 6.Bc4 d6 7.O-O Nge7 8.Bg5 a6
9.a4 h6 10.Bh4 Qc7 11.Qe2 Ng6 12.Bg3 Nge5 13.Nxe5 dxe5 14.Rfd1 Be7 15.Rac1 O-O
16.Qh5 Bg5 17.Ra1 Bd7 18.Ne2 Rfd8 19.h4 Bf6 20.Bh2 Ne7 21.Rac1 Bxa4 22.Rf1 Bc6
23.g4 Bxe4 24.g5 g6 25.Qg4 Bf5 26.Qg2 hxg5 27.hxg5 Bg7 28.Bxe6 Qb6 29.Bxf5 Nxf5
30.Nc3 Qxb2 31.Nd5 a5 32.Rb1 Qd4 33.Rfd1 Qh4 34.Rd3 a4 35.Ra3 Qd4 36.Nf6+ Bxf6
37.gxf6 Qd1+ 38.Qf1 Qg4+ 39.Kh1 Qe4+ 40.f3 Qh4 41.Qg2 Qxf6 42.Re1 Qh4 43.Raa1 Qh6
44.Rxe5 Rd2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Szmetan, Ricardo"]
[Black "Vasta, Eduardo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D25"]

1.d4 d5 2.Nf3 Nf6 3.c4 dxc4 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.Nc3 Nc6 8.Be2 Bd6
9.O-O O-O 10.b3 Qe7 11.Ne5 Nxe5 12.Bxh5 Ned7 13.Bf3 c6 14.e4 e5 15.Bg5 exd4
16.Qxd4 Be5 17.Qe3 Qb4 18.Rac1 Bd4 19.Qd2 Ne5 20.a3 Nxf3+ 21.gxf3 Qa5 22.b4 Qe5
23.Ne2 Bb6 24.Qf4 Qxf4 25.Nxf4 Nd7 26.Nd3 Rfe8 27.Rfd1 f6 28.Bf4 Rad8 29.Kf1 Nf8
30.Nc5 Bxc5 31.bxc5 Ne6 32.Bd6 Rd7 33.Ke2 Red8 34.Rb1 Ng5 35.Rd4 Ne6 36.Rdb4 b5
37.Ke3 a5 38.R4b2 Ng5 39.f4 Ne6 40.e5 fxe5 41.fxe5 Rf7 42.Rg1 Rdd7 43.Rg4 Rf5
44.f4 Rdf7 45.Rf2 Kh8 46.h4 g6 47.Ke4 Rh5 48.Rh2 Rhf5 49.Rf2 Kg7 50.Rf3 h5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Tanner, Pedro"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E38"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Nc6 6.Nf3 Bxc5 7.Bg5 Be7 8.e3 O-O
9.Be2 d5 10.O-O dxc4 11.Bxc4 a6 12.Rfd1 Qa5 13.a3 h6 14.Bh4 b5 15.Bb3 Bb7
16.Bxf6 Bxf6 17.Rd7 Bc8 18.Rd6 Bxc3 19.Rxc6 Bf6 20.Rc7 Bxb2 21.Rb1 Bxa3 22.Rd1 Rb8
23.Ne5 Bd6 24.Rxf7 Rxf7 25.Nxf7 Kxf7 26.Qf5+ Ke7 27.Qg6 Qc3 28.g4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Vidal, Ramon"]
[Black "Ocampo, Raul"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E72"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 d6 6.e4 Nc6 7.Nge2 a6 8.h3 Rb8
9.Be3 Nd7 10.O-O Na5 11.b3 b5 12.cxb5 axb5 13.Rc1 c5 14.dxc5 dxc5 15.f4 b4
16.Na4 Ba6 17.Re1 c4 18.bxc4 Nxc4 19.Bf2 e5 20.Bf1 Bb5 21.fxe5 Ncxe5 22.Nd4 Bxf1
23.Rxf1 Qa5 24.Nc6 Nxc6 25.Rxc6 Ne5 26.Rc5 Qa6 27.Rd5 Qe6 28.Kg2 Ra8 29.Bc5 Rfc8
30.Rf2 Nc4 31.Re2 Qa6 32.Qd3 Ne5 33.Qxa6 Rxa6 34.Bd4 Rxa4 35.Bxe5 Bxe5 36.Rxe5 Rca8
37.Rb5 Rxa2 38.Kf2 Rxe2+ 39.Kxe2 Ra3 40.Kf2 Rb3 41.Rb7 Rb1 42.e5 b3 43.h4 Kf8
44.Ke2 b2 45.Kd2 h5 46.Kc2 Rg1 47.Kxb2 Rxg3 48.Rb4 Rg4 49.Kc3 Rxb4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "3"]
[White "Wexler, Bernardo"]
[Black "Szmetan, Jorge"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E66"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.c4 d6 6.d4 Nc6 7.Nc3 a6 8.d5 Na5
9.Nd2 c5 10.Qc2 Rb8 11.b3 b5 12.Bb2 e5 13.Rab1 Bf5 14.e4 Bd7 15.Ne2 Bh6 16.f4 Bg4
17.Bf3 Bh3 18.Bg2 Bg4 19.Bf3 Bh3 20.Bg2  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Brond, Victor"]
[Black "Bazan, Osvaldo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A07"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 e6 4.O-O Be7 5.d3 O-O 6.Nbd2 Nc6 7.e4 dxe4 8.dxe4 e5
9.c3 Bg4 10.Qc2 Qd7 11.Nc4 Qe6 12.Ne3 Rfd8 13.Ng5 Qc8 14.Nxg4 Nxg4 15.Bh3 Rf8
16.f3 Bxg5 17.Bxg5 Ne3 18.Bxc8 Nxc2 19.Bxb7 Nxa1 20.Bxc6 Rab8 21.Rxa1 Rxb2
22.Bd5 c6 23.Bb3 h6 24.Be7 Re8 25.Ba3 Rd2 26.Rf1 g5 27.Rf2 Red8 28.Bc1 R2d3
29.c4 a5 30.Kg2 c5 31.Bb2 f6 32.Re2 Kg7 33.Bc2 R3d7 34.Bc3 Ra7 35.a4 Rd6
36.f4 gxf4 37.gxf4 Re6 38.Kf3 exf4 39.Kxf4 Kf8 40.Rg2 Rd6 41.Rg6 Rb7 42.Rxh6 Rg7
43.Rh8+ Kf7 44.e5 Rb6 45.exf6 Rg2 46.Be4 Rf2+ 47.Ke3  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Albuquerque, M."]
[Black "Rossetto, Hector"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A06"]

1.Nf3 d5 2.b3 Nc6 3.Bb2 Bg4 4.e3 f5 5.Be2 Nf6 6.Ne5 Nxe5 7.Bxe5 e6 8.h3 Bxe2
9.Qxe2 c6 10.O-O Be7 11.c4 O-O 12.f4 Qb6 13.Bxf6 Bxf6 14.Nc3 d4 15.exd4 Qxd4+
16.Kh1 Rfe8 17.Rad1 Rad8 18.Rf3 g6 19.Na4 Kg7 20.d3 b5 21.cxb5 cxb5 22.Rc1 bxa4
23.bxa4 e5 24.Rc4 Qd7 25.Qc2 e4 26.Rc7 exf3 27.Rxd7+ Rxd7 28.gxf3 Rde7 29.Qc5 Bh4
30.Qd4+ Kh6  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Pelikan, Jorge"]
[Black "Vidal, Ramon"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.g4 Be7 8.Be3 Nc6
9.g5 Nd7 10.h4 Qc7 11.f4 Nc5 12.Nxc6 Qxc6 13.Bg2 Bd7 14.Bd4 Bf8 15.Qe2 Na4
16.Nd5 O-O-O 17.Bxg7 Rg8 18.Nb4 Qb6 19.Bxf8 Qxb4+ 20.c3 Qxb2 21.Qxb2 Nxb2
22.Be7 Rde8 23.Bxd6 Bb5 24.Bf1 Bc6 25.Rh2 Na4 26.e5 Nxc3 27.Rc1 Nb5 28.Rd2 Rd8  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Bronstein, Luis"]
[Black "Puiggros, Guillermo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A14"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.b3 Ne4 7.Bb2 f5 8.d3 Bf6
9.Qc2 Bxb2 10.Qxb2 Qf6 11.Qxf6 Nxf6 12.Nc3 c6 13.e3 Na6 14.d4 Bd7 15.Ne2 Rfc8
16.Ne5 Be8 17.Nf4 Nc7 18.Rfc1 Kf8 19.h4 Ke7 20.f3 Na6 21.c5 Nd7 22.Nxd7 Bxd7
23.Nd3 Rf8 24.Ne5 Be8 25.Bf1 Nb8 26.b4 Nd7 27.Nxd7 Bxd7 28.a4 a6 29.Rc2 Kf6
30.Rb1 e5 31.dxe5+ Kxe5 32.Kf2 Kf6 33.Rd2 Rfe8 34.Bg2 Re7 35.Rb3 Be8 36.Rd4 Bf7
37.Rc3 h6 38.g4 Be6 39.gxf5 Bxf5 40.e4 Ke5 41.Ke3 dxe4 42.fxe4 Be6 43.a5 Rf8
44.Rd2 Rf4 45.h5 Bg4 46.Rcd3 Rf8 47.Rd6 Bxh5 48.R2d5+ cxd5 49.Rxd5+ Ke6 50.Rxh5 Kd7
51.e5 Kc7 52.Bd5 Rf1 53.Kd4 Rd1+ 54.Kc4 Re1 55.e6 Rf1 56.Rh2 Rf4+ 57.Kc3 Kd8
58.Rd2 Ke8 59.Kb3 Rc7 60.Bc4 h5 61.Rd5 g6 62.Bd3 Rg4 63.b5 axb5 64.Bxb5+ Ke7
65.Rd7+ Rxd7 66.exd7 Rd4 67.c6 bxc6 68.Bxc6  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Pilnik, Herman"]
[Black "Rubinetti, Jorge A"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C77"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 Be7 6.c3 b5 7.Bc2 O-O 8.d3 d6
9.Nbd2 Re8 10.Nf1 Bf8 11.h3 Bb7 12.Ng3 g6 13.Nh2 h5 14.Bg5 Bg7 15.Qf3 Qe7
16.Nxh5 gxh5 17.g4 Qe6 18.gxh5 Nh7 19.Be3 Kh8 20.Rg1 Ne7 21.Bb3 d5 22.Bc5 Bh6
23.Ng4 Rg8 24.Rg2 Bf4 25.h4 f5 26.Ne3 fxe4 27.dxe4 Nf6 28.O-O-O Rxg2 29.Qxg2 Rg8
30.Qf3 Qg4 31.Qxg4 Nxg4 32.Bxe7 Nxf2 33.Bc5 d4 34.Bxg8 Bxe3+ 35.Rd2 Kxg8
36.cxd4 Nxe4 37.Bb4 exd4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "De la Vega, Hector"]
[Black "Leskovar, Mario"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A33"]

1.Nf3 c5 2.c4 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g3 Bc5 7.Nb3 Bb4 8.Bg2 O-O
9.O-O Bxc3 10.bxc3 d5 11.cxd5 exd5 12.Bg5 Re8 13.Rc1 Bg4 14.Re1 Re5 15.Bf4 Re8
16.Rc2 Qb6 17.Bg5 Bf5 18.Bxf6 Bxc2 19.Qxc2 gxf6 20.Bxd5 Rad8 21.Be4 Kg7 22.Bxh7 Ne5
23.Be4 f5 24.Bg2 f4 25.Nd4 fxg3 26.hxg3 Rc8 27.Nf5+ Kf8 28.Qd2 Rcd8 29.Qf4 Nd3
30.exd3 Rxe1+ 31.Kh2 Qf6 32.Qb4+ Kg8 33.Qg4+ Qg6 34.Qh4 Rxd3 35.Be4 Rxe4
36.Qxe4 Qh5+ 37.Nh4 Rxc3 38.Qxb7 Rc2 39.Qa8+ Kg7 40.Qxa7 Qd5 41.a3 Rc1 42.f3 Rc2+
43.Kh3 Qe6+ 44.g4 Qe5 45.Qg1 Ra2 46.Qg3 Qa1 47.g5 Rxa3 48.Nf5+ Kg6 49.Nh4+ Kg7
50.Nf5+ Kg8 51.Nh4 Qh1+ 52.Kg4 Ra4+ 53.Kh5 Qb1 54.g6 Qb5+ 55.Qg5 Qxg5+ 56.Kxg5 f6+
57.Kh5 Rf4 58.Ng2 Rxf3 59.Kg4 Rf2 60.Nf4 Kg7 61.Kh5 Rh2+ 62.Kg4 Rh1 63.Kf5 Rf1
64.Kg4 Re1 65.Kf5 Re5+ 66.Kg4 Kh6 67.Kg3 Kg5 68.g7 Re8 69.Ne6+ Kg6 70.Kf4 Kf7
71.Kf5 Rg8 72.Nf4 Rxg7 73.Ke4 Rg5 74.Ke3 Ke7 75.Ke4 Kd6 76.Ne2 Re5+ 77.Kf3 Kd5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Foguelman, Alberto"]
[Black "Studenetzky, Moises"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A81"]

1.d4 f5 2.Nf3 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.c3 c6 7.Nbd2 Na6 8.Re1 d5
9.Qb3 e6 10.Ne5 Nc7 11.f3 Nce8 12.e4 f4 13.g4 Kh8 14.exd5 exd5 15.Qc2 Nd7
16.Nd3 Nd6 17.Nf1 g5 18.b3 Nb5 19.Bb2 b6 20.a4 Nd6 21.Ba3 c5 22.dxc5 bxc5
23.Nxc5 Qb6 24.a5 Qxa5 25.Ne6 Qb6+ 26.Kh1 Bb7 27.Nxg5 Ne4 28.fxe4 f3 29.Nxf3 dxe4
30.Nd4 Rf4 31.Ng3 Rxg4 32.Bc1 Ne5 33.Rf1 Qg6 34.Rf4 Nf3 35.Be3 Rxf4 36.Bxf4 Qg4
37.Nde2 Ng5 38.Bxg5 Qxg5 39.Bxe4 Bxe4+ 40.Qxe4 Rg8 41.Rxa7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Garcia, H."]
[Black "Paglilla, Carlos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C77"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Bxc6 dxc6 6.Nc3 Bb4 7.d3 Qd6 8.h3 Be6
9.Bd2 O-O-O 10.a3 Bc5 11.Ng5 Nd7 12.Qf3 g6 13.Be3 Qe7 14.Nxe6 Qxe6 15.Bxc5 Nxc5
16.O-O-O Qe7 17.Qg3 Rhf8 18.h4 Qf6 19.Qe3 b6 20.g3 Ne6 21.Rdf1 Qe7 22.f4 f6
23.Rf2 Qc5 24.Qxc5 Nxc5 25.Kd2 Ne6 26.Ke3 Kd7 27.Ne2 c5 28.c3 a5 29.h5 g5
30.f5 Ng7 31.d4 Ne8 32.Rd1 exd4+ 33.cxd4 Kc8 34.Rc1 c4 35.e5 fxe5 36.dxe5 Rd3+
37.Ke4 Nf6+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Link, Hugo E"]
[Black "Reinhardt, Enrique Heinrich"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B08"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c6 7.a4 Qc7 8.h3 a5 9.Be3 Na6
10.Nd2 e5 11.Nc4 exd4 12.Bxd4 Nc5 13.e5 Nfd7 14.exd6 Qd8 15.Bxg7 Kxg7 16.Qd4+ Kg8
17.Rfe1 Ne6 18.Qd2 b6 19.Bg4 Ba6 20.Ne5 Nxe5 21.Rxe5 Qf6 22.Rae1 Nc5 23.d7 Bc4
24.Re8 Be6 25.Rxa8 Rxa8 26.Qd6 Rd8 27.Bxe6 Rxd7 28.Qxc6 Rd2 29.Qe8+ Kg7 30.Qxf7+ Qxf7
31.Bxf7 Kxf7 32.Rc1 Ne6 33.Nb1 Rd6 34.b3 Nf4 35.Kf1 Nd5 36.g3 h5 37.c3 Re6
38.Re1 Rxe1+ 39.Kxe1 Ke6 40.Ke2 Ke5 41.Kd3 h4 42.Nd2 hxg3 43.fxg3 Kd6 44.Nc4+ Kc5
45.Ne5 Ne7 46.g4 Kd5 47.Nd7 Kc6 48.Nf8 Kd6 49.Kc4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Ocampo, Raul"]
[Black "Bulcourf, Carlos"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A54"]

1.d4 Nf6 2.c4 Nc6 3.Nf3 d6 4.g3 e5 5.Bg2 Be7 6.O-O O-O 7.Nc3 exd4 8.Nxd4 Ne5
9.b3 c6 10.Bb2 Bg4 11.h3 Bd7 12.f4 Ng6 13.e4 Qa5 14.Kh2 Rad8 15.a3 Rfe8 16.b4 Qc7
17.Qf3 Bf8 18.Bh1 Qc8 19.g4 Be6 20.Nxe6 fxe6 21.Rad1 Qc7 22.Qe3 d5 23.e5 Nd7
24.cxd5 exd5 25.Ne2 a5 26.b5 Bc5 27.Qc3 Bb6 28.Ng3 Nc5 29.Qc2 Nh4 30.bxc6 bxc6
31.Bd4 Ne6 32.Bxb6 Qxb6 33.f5 Ng5 34.e6 Qe3 35.Qd3 Qe5 36.Rde1 Qd6 37.Qe3 Rb8
38.Re2 h6 39.Qf4 Qxf4 40.Rxf4 Rb3 41.a4 Rb4 42.Nh5 Reb8 43.Rxb4 axb4 44.Kg3 b3
45.Rb2 Ne4+ 46.Bxe4 dxe4 47.Kxh4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Panno, Oscar"]
[Black "Hase, Juan C"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A25"]

1.c4 e5 2.Nc3 Nc6 3.g3 f5 4.Bg2 Nf6 5.d3 Bb4 6.Bd2 O-O 7.Nf3 d6 8.O-O Bxc3
9.Bxc3 Qe8 10.e3 Bd7 11.Re1 e4 12.Nd2 exd3 13.Qb1 Ne4 14.Qxd3 Nxc3 15.Qxc3 Rb8
16.Rad1 Qe5 17.Nb1 Be6 18.b3 a5 19.Qxe5 dxe5 20.Bxc6 bxc6 21.Nc3 Rb4 22.Rd2 Kf7
23.f4 e4 24.Kf2 Re8 25.Rd4 h6 26.Red1 c5 27.R4d2 Rb6 28.g4 fxg4 29.Nxe4 a4
30.Nxc5 axb3 31.axb3 Bf5 32.Ra1 Rc6 33.Ra5 Kf6 34.Rd4 Rd6 35.Rxd6+ cxd6 36.Nb7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Vasta, Eduardo"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B82"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.f4 Qc7 8.Bd3 b5
9.Qf3 Bb7 10.O-O Nbd7 11.a3 Nc5 12.Rae1 Be7 13.g4 d5 14.e5 Nfe4 15.Bxe4 dxe4
16.Qf2 O-O 17.Re2 Rad8 18.Qg3 f6 19.exf6 Bxf6 20.Rd1 e5 21.f5 Qf7 22.Ndxb5 Rxd1+
23.Nxd1 axb5 24.Bxc5 Rd8 25.Ne3 Qc7 26.g5 Be7 27.Bxe7 Qxe7 28.f6 Qc5 29.Qf2 Rf8
30.Qf5 Qb6 31.Qxe5 gxf6 32.gxf6 Rxf6 33.Rg2+ Kf7 34.Rf2  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Szmetan, Jorge"]
[Black "Cristobal, Ruben"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B99"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.g4 b5 11.Bxf6 Nxf6 12.g5 Nd7 13.f5 Nc5 14.f6 gxf6 15.gxf6 Bf8
16.Qh5 b4 17.Nce2 Bb7 18.Bg2 O-O-O 19.Ng3 Kb8 20.Kb1 h6 21.Rc1 Rg8 22.Qe2 Qb6
23.c3 Na4 24.Ka1 bxc3 25.bxc3 Nxc3 26.Rxc3 Qxd4 27.Qb2 Qe5 28.Rb1 Rd7 29.Bf1 Rc7
30.Rbc1 Rxc3 31.Rxc3 Qa5 32.Bd3 Rg5 33.Rb3 Qe1+ 34.Bb1 Rb5 35.Rxb5 axb5 36.Qxb5 d5
37.Qe8+ Ka7 38.Qa4+ Kb6 39.Qb3+ Kc7 40.a4 dxe4 41.Qc4+ Bc6 42.Nxe4 Bd6 43.Nxd6 Kxd6
44.Kb2 Qe5+ 45.Qc3 Qxc3+ 46.Kxc3 Bxa4 47.Bh7 Ke5 48.Bg8 Kxf6 49.Kd4 Bc2 50.Kc3 Bf5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "4"]
[White "Carames, Luis"]
[Black "Farah, Rodolfo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B24"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.f4 Nge7 7.Be3 Nd4 8.Nge2 Rb8
9.O-O b5 10.a3 d5 11.Ra2 a5 12.Qd2 b4 13.axb4 axb4 14.Nd1 b3 15.cxb3 Nxb3
16.Qc2 d4 17.Bf2 e5 18.fxe5 Bxe5 19.Nf4 O-O 20.Be1 Qb6 21.Nf2 Bd7 22.Ra3 Bxf4
23.gxf4 Be6 24.e5 f5 25.exf6 Nf5 26.Ne4 Ne3 27.Qf2 Nxf1 28.Bxf1 Ra8 29.Rxa8 Rxa8
30.Qh4 Ra7 31.Qh6 Bf5 32.Bh4 Qe6 33.Ng5 Qe3+ 34.Bf2 Qxf4 35.f7+ Rxf7 36.Nxf7 Qg4+
37.Kh1 Qd1 38.Ng5 Qxf1+ 39.Bg1 Bxd3 40.Qxh7+ Kf8 41.Qh8+ Ke7 42.Qe5+ Kf8
43.Qh8+ Ke7 44.Qe5+ Kd7 45.Qd5+ Kc7 46.Ne6+ Kb6 47.Qd8+ Kb5 48.Qe8+ Kb4 49.Qb8+ Bb5
50.Qa8 Na5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Pleci, Isaias"]
[Black "Bronstein, Luis"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E73"]

1.c4 Nf6 2.Nc3 g6 3.d4 Bg7 4.e4 d6 5.Be2 O-O 6.Be3 c5 7.dxc5 Qa5 8.Qd2 dxc5
9.Rd1 Nc6 10.Nf3 Ng4 11.O-O Nxe3 12.Qxe3 Bg4 13.h3 Bxf3 14.Bxf3 Rad8 15.Rxd8 Rxd8
16.Rd1 Bd4 17.Qg5 Qb4 18.Rd2 Qxc4 19.e5 Qe6 20.Bxc6 Qxc6 21.Kf1 Re8 22.Ne2 Qe4
23.Nxd4 cxd4 24.f3 Qb1+ 25.Kf2 Qxa2 26.h4 Qe6 27.Rxd4 Qb6 28.Qe3 Qxb2+ 29.Kg3 Qb6
30.Qd3 Qe6 31.f4 h5 32.Kh2 Kg7 33.Rd7 a5 34.Rxb7 Ra8 35.Qd4 Rc8 36.Ra7 Rc4
37.Qf2 Qg4 38.Qg3 Rxf4 39.Rxe7 Qxh4+ 40.Qxh4 Rxh4+ 41.Kg3 Re4 42.Kf3 Kf8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Benko, Francisco"]
[Black "Soria, Alejandro"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B22"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Qxd4 e6 6.Nf3 Nc6 7.Qe4 f5 8.Qe2 Qc7
9.g3 b5 10.Bg2 a5 11.O-O Ba6 12.Re1 Bc5 13.b3 O-O 14.Bb2 a4 15.b4 Ba7 16.Na3 Rab8
17.Rad1 Nce7 18.Qd3 h6 19.Nd4 f4 20.Bh3 fxg3 21.hxg3 Qb6 22.Re2 Bb7 23.Nac2 Rf7
24.a3 Rbf8 25.Rf1 g5 26.Bc1 Ba8 27.Bg2 Kg7 28.Ne3 Nxc3 29.Nxb5 Qxb5 30.Qxc3 Bf3
31.Bxf3 Rxf3 32.Qe1 Qb7 33.Rc2 Nf5 34.Nxf5+ R8xf5 35.Kh2 g4 36.Rc7 Qxc7 37.Qe4 Rxf2+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Bulcourf, Carlos"]
[Black "Pacheco, V."]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A02"]

1.e3 Nf6 2.f4 g6 3.b3 Bg7 4.Bb2 O-O 5.g4 d5 6.g5 Ne8 7.Bxg7 Nxg7 8.d4 c5
9.Nc3 Qa5 10.Qd2 cxd4 11.exd4 Nc6 12.Bg2 Rd8 13.Nge2 Bg4 14.Ng3 Nf5 15.Nxf5 Bxf5
16.Ne2 Bxc2 17.Qxa5 Nxa5 18.Kd2 Bxb3 19.axb3 Nxb3+ 20.Kd3 Nxa1 21.Rxa1 e6
22.Bf1 Kf8 23.Nc3 Ke7 24.Kd2 a6 25.Na4 Rd6 26.Rb1 b5 27.Nc5 Rb6 28.Bd3 Ra7
29.Kc3 Kd6 30.Kb4 a5+ 31.Ka3 b4+ 32.Ka4 Rc6 33.h4 Rxc5 34.dxc5+ Kxc5 35.h5 Kd4
36.Rb3 Rc7 37.Kxa5 Rc3 38.Rxb4+ Kxd3 39.Rb7 gxh5 40.Rxf7 Ke4 41.Ka4 d4 42.Rxh7 d3
43.g6 d2 44.Rd7 Ke3 45.Rd6 Rc8 46.Kb4 h4 47.Rxe6+ Kxf4 48.Rd6 Ke3 49.g7 h3
50.Re6+ Kd3 51.Rd6+ Ke2 52.Re6+ Kd1 53.Rh6 Rg8 54.Rxh3 Rxg7 55.Rh8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Farah, Rodolfo"]
[Black "D'Agostino, C."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B94"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nfd7 7.Bc4 b5 8.Bb3 Qa5
9.Be3 e6 10.O-O Nc5 11.f3 Be7 12.Qd2 b4 13.Nce2 Qb6 14.c4 O-O 15.Bc2 Nbd7
16.Nc1 a5 17.Nd3 Ne5 18.b3 Ned7 19.Rad1 Nxd3 20.Nf5 Bg5 21.Bxd3 Bxe3+ 22.Nxe3 a4
23.Kh1 axb3 24.axb3 Nc5 25.Bc2 Rd8 26.e5 Nb7 27.Qd3 g6 28.Qe4 Ra5 29.Ng4 dxe5
30.Nf6+ Kg7 31.Qh4 Rd4 32.Ng4 Qd8 33.Qh6+ Kg8 34.h3 f5 35.Nf2 Nc5 36.Qe3 Qf6
37.Ra1 Rxa1 38.Rxa1 Bb7 39.Ra5 Nd7 40.Ra7 Bc6 41.Rc7 Rd6 42.c5 f4 43.Qe1 Nxc5
44.Qxb4 Qd8 45.Ra7 Rd5 46.Kh2 Qh4 47.Qb8+ Rd8 48.Qxe5 Bd7 49.Qxc5 Rc8 50.Qd4 Qg3+
51.Kg1 Rxc2  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Hase, Juan C"]
[Black "Vallejos, Oscar"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E87"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c5 8.Qd2 Na6 9.Nge2 Nc7
10.g4 a6 11.Ng3 Bd7 12.h4 b5 13.b3 b4 14.Nd1 Bxg4 15.fxg4 Nxg4 16.Bg1 f5
17.Be2 Bh6 18.Qd3 fxe4 19.Nxe4 Nf6 20.Ndf2 Nxe4 21.Nxe4 a5 22.h5 g5 23.Be3 Kh8
24.Rg1 Rf4 25.Bxf4 gxf4 26.Qh3 a4 27.Kf2 Qe7 28.Qg4 Rf8 29.bxa4 Ne8 30.a5 Nf6
31.Nxf6 Qxf6 32.Qf3 e4 33.Qxe4 Qh4+ 34.Kf1 Qh3+ 35.Ke1 f3 36.Bxf3 Rxf3 37.Qg4 Qxg4
38.Rxg4 Ra3 39.Rg2 Rxa5 40.Kf1 Ra3 41.Re1 Rf3+ 42.Kg1 Be3+ 43.Kh1 Rh3+ 44.Rh2 Rxh2+
45.Kxh2 Bf4+ 46.Kh3 h6 47.Kg4 Bh2 48.Re2  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Oliva, L."]
[Black "Cuasnicu, Oscar"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A75"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Be2 Bg7 8.Nf3 O-O
9.O-O a6 10.a4 Bg4 11.Nd2 Bxe2 12.Qxe2 Nbd7 13.Nc4 Nb6 14.Be3 Nxc4 15.Qxc4 Ng4
16.Bd2 Bd4 17.h3 Ne5 18.Qe2 Qh4 19.Rab1 Rae8 20.Be3 f5 21.f3 Bxe3+ 22.Qxe3 f4
23.Qe2 Rf7 24.b3 Rc7 25.Rfc1 h5 26.Nd1 Qf6 27.Nb2 Rg7 28.Nc4 g5 29.Nxe5 Rxe5
30.Kf2 g4 31.Rh1 Qh4+ 32.Kf1 gxf3  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Otaolea, A."]
[Black "Carames, Luis"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E94"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Nbd7 7.O-O e5 8.d5 Nc5
9.Nd2 a5 10.a4 Re8 11.f3 Nh5 12.Nb3 b6 13.Re1 Qh4 14.Be3 Nf4 15.Bf1 Bh6 16.Nxc5 bxc5
17.Nb5 Re7 18.Qd2 Bg7 19.Kh1 Qh5 20.Rab1 g5 21.Qf2 g4 22.fxg4 Bxg4 23.Qg3 Rae8
24.h3 Bc8 25.Bd2 Kh8 26.Bxf4 exf4 27.Qxf4 Be5 28.Qf3 Qh4 29.Re2 Rg8 30.Nc3 f6
31.Nd1 Rg3 32.Qf2 Reg7 33.Ne3 Bxh3 34.gxh3 Rxh3+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Palermo, Vicente"]
[Black "Pina, V."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A97"]

1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nf3 Be7 5.O-O O-O 6.c4 d6 7.Nc3 Qe8 8.Re1 Nbd7
9.e4 fxe4 10.Nxe4 Nxe4 11.Rxe4 Nf6 12.Re1 Qh5 13.Bd2 Bd7 14.h3 Rae8 15.Ng5 Qxd1
16.Raxd1 Bd8 17.Bxb7 c6 18.c5 d5 19.Kg2 h6 20.Nf3 Ne4 21.Bf4 g5 22.Ne5 gxf4
23.Nxd7 Rf7 24.Bxc6 fxg3 25.f3 Nf2 26.Ne5 Ref8 27.Nxf7 Rxf7 28.Rb1 Nd3 29.Re3 Nf4+
30.Kxg3 Bc7 31.Kf2 Rg7 32.Ra3 Rg2+ 33.Kf1 Rh2 34.Rxa7 Rh1+ 35.Kf2 Rxb1 36.Rxc7 Rxb2+
37.Ke3 Nxh3 38.Re7 Rxa2 39.Rxe6 Ra3+ 40.Kd2 Nf4 41.Re3 Ra2+ 42.Kd1 Rb2 43.Bd7 Rb4
44.c6 Rxd4+ 45.Kc2 Ng2 46.Rc3 Ne1+ 47.Kb3 Nd3 48.c7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Bazan, Osvaldo"]
[Black "Silva Nazzari, Roberto"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A36"]

1.c4 g6 2.Nc3 c5 3.g3 Bg7 4.Bg2 Nc6 5.a3 e6 6.b4 Nxb4 7.axb4 cxb4 8.Nb5 Bxa1
9.Qa4 Be5 10.Nf3 Bb8 11.Bb2 f6 12.h4 Kf7 13.h5 Ne7 14.Qxb4 d5 15.hxg6+ hxg6
16.Rxh8 Qxh8 17.Ng5+ Ke8 18.Nd6+ Bxd6 19.Qxd6 Nf5 20.Qb4 Qg7 21.e4 Qe7 22.Qb5+ Qd7
23.Nh7 Qxb5 24.Nxf6+ Kf7 25.cxb5 Nd6 26.exd5 Nxb5 27.dxe6+ Bxe6 28.Bxb7 Rb8
29.Bc6 a5 30.Ne4 Na7 31.Ng5+ Kg8 32.Be4 Rxb2 33.Nxe6 a4 34.Kd1 a3 35.Kc1 Rxd2
36.Nc5 a2 37.Nb3 Rxf2 38.Bxg6 Nc6 39.Na1 Nb4 40.g4 Kg7 41.Bf5 Nd5 42.Be4 Ne3
43.g5 Re2 44.Bd3 Rg2 45.g6 Kf6 46.Nb3 Nf5 47.Be4 Rxg6 48.Bxf5 Kxf5 49.Kb2 Rg2+
50.Ka1 Ke4 51.Nc1 Rg1  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Puiggros, Guillermo"]
[Black "Brond, Victor"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B43"]

1.e4 c5 2.Nc3 e6 3.Nf3 a6 4.d4 cxd4 5.Nxd4 Qc7 6.Bd3 Nf6 7.O-O b5 8.a3 Be7
9.Be3 Bb7 10.f4 d6 11.Qf3 Nbd7 12.Nb3 Rc8 13.Rae1 O-O 14.Qh3 e5 15.Bf2 exf4
16.Bh4 Ne5 17.Rxf4 Ng6 18.Rf5 Nxh4 19.Qxh4 Nxe4 20.Qh3 d5 21.Nxd5 Bxd5 22.Rxd5 Qb6+
23.Nd4 f5 24.Bxe4 fxe4 25.c3 Bc5 26.Rxe4 Kh8 27.Qd3 Qf6 28.h3 Qf2+ 29.Kh2 Bb6
30.Rd7 h6 31.Ree7 Rg8 32.Rf7 Qe3 33.Qg6 Qe5+ 34.g3 Qe3 35.Qxb6 Qd2+ 36.Kg1 Rce8
37.Rf2 Re1+ 38.Kg2 Qd1 39.Qb7 Rg1+ 40.Kh2 Qe1 41.Qf3 Re8 42.Rf7 Qc1 43.Rf8+ Rxf8
44.Qxf8+ Kh7 45.Qf5+ Kh8 46.Qe4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Reinhardt, Enrique Heinrich"]
[Black "Laplaza, Jorge"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D40"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.e3 Nf6 5.Nf3 Nc6 6.a3 a6 7.cxd5 exd5 8.Be2 c4
9.Ne5 Na5 10.O-O Bd6 11.f4 Nb3 12.Ra2 h5 13.h3 Bf5 14.Bf3 Bc7 15.Bd2 Ba5
16.Be1 Bxc3 17.bxc3 h4 18.Rb2 Ne4 19.Bxe4 Bxe4 20.Qg4 Rh7 21.f5 Qe7 22.Rf4 Qxa3
23.Nxc4 dxc4 24.Rxe4+ Kf8 25.Rf2 Qc1 26.Rf1 Nd2 27.Bxd2 Qxd2 28.Qg5 f6 29.Qf4 Qd3
30.Qd6+ Kg8 31.Qe6+ Kf8 32.Qe7+ Kg8 33.Qxb7 Rf8 34.Qd5+ Kh8 35.Qf7 Rg8 36.Re8  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Rossetto, Hector"]
[Black "Pelikan, Jorge"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A50"]

1.d4 Nf6 2.c4 b6 3.Nc3 Bb7 4.Qc2 c5 5.d5 e6 6.e4 d6 7.Nf3 exd5 8.cxd5 a6
9.a4 g6 10.Be2 Bg7 11.O-O O-O 12.Bf4 Nh5 13.Bg5 Bf6 14.Bh6 Re8 15.Nd2 Bg7
16.Be3 Nf6 17.Bf4 Bf8 18.h3 Nbd7 19.Bh2 Qc7 20.Nc4 Ne5 21.Rad1 Nxc4 22.Bxc4 Nd7
23.f4 f6 24.e5 b5 25.axb5 fxe5 26.f5 Nb6 27.Ne4 Re7 28.fxg6 Nxc4 29.gxh7+ Kh8
30.Qxc4 axb5 31.Qxb5 Rg7 32.Rf3 Be7 33.Ra3 Rxa3 34.bxa3 Qc8 35.Kh1 Qf5 36.Qe2 Ba6
37.Qe3 Qg6 38.Rd2 Bb7 39.Bg3  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Rubinetti, Jorge A"]
[Black "Ocampo, Raul"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E84"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Qd2 a6 8.Nge2 Rb8
9.Nc1 e5 10.d5 Nd4 11.Nb3 Nxb3 12.axb3 c5 13.b4 cxb4 14.Na4 b5 15.cxb5 Qa5
16.b6 Bd7 17.Qd1 b3+ 18.Bd2 Qxa4 19.Rxa4 Bxa4 20.Be3 Nd7 21.Bxa6 Nxb6 22.O-O Nd7
23.Qa1  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Schweber, Samuel"]
[Black "Panno, Oscar"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B48"]

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 Qc7 6.Bd3 Nc6 7.Be3 Nf6 8.Nxc6 bxc6
9.O-O Be7 10.Qe2 d5 11.Rae1 O-O 12.Bg5 g6 13.e5 Ne4 14.Bxe7 Nxc3 15.Qd2 Qxe7
16.Qxc3 c5 17.Qd2 Rd8 18.Re3 Bd7 19.Rf3 Bb5 20.Re1 Bxd3 21.Rxd3 Rdb8 22.c3 a5
23.Rh3 Qf8 24.f4 Rb6 25.Qf2 a4 26.a3 Rab8 27.Re2 Qe7 28.Rd3 Kf8 29.Rdd2 h5
30.h3 Ke8 31.Kh2 h4 32.Qf3 Kd7 33.Qg4 Ra6 34.Rxd5+ Ke8 35.Rd3 Rab6 36.f5 exf5
37.Qxa4+ Kf8 38.Rd7 Qe6 39.b4 cxb4 40.axb4 Qc4 41.Qc2 Rc6 42.Qd2 Kg7 43.e6 Rxe6
44.Rxe6 Qxe6 45.Qd4+ Kg8 46.Rd8+ Rxd8 47.Qxd8+ Kg7 48.Qxh4 Qe5+ 49.Qg3 f4
50.Qf3 g5 51.c4 f5 52.b5 Kf7 53.Qd5+ Qxd5 54.cxd5 Ke7 55.b6 Kd7 56.h4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Szmetan, Ricardo"]
[Black "Szmetan, Jorge"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E41"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nf3 Nc6 6.Bd3 Bxc3+ 7.bxc3 d6 8.e4 e5
9.d5 Ne7 10.Rb1 h6 11.h4 Qc7 12.Nh2 Bd7 13.Nf1 O-O-O 14.Ne3 Kb8 15.g4 Ng6
16.Nf5 Nf4 17.Bxf4 exf4 18.Qf3 g5 19.Kd2 Bxf5 20.gxf5 Nd7 21.Rb5 Ne5 22.Qd1 a6
23.Rb2 g4 24.Qa4 Ka7 25.Rhb1 Rb8 26.h5 Rhg8 27.Rb6 Qxb6 28.Rxb6 Kxb6 29.Bf1 Nf3+
30.Ke2 Rbe8 31.Bg2 Nh4 32.Bh1 Rd8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Tanner, Pedro"]
[Black "Silva Nazzari, Hector"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B35"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Bc4 Bg7 6.Be3 Nf6 7.Nc3 Qa5 8.O-O O-O
9.h3 d6 10.Bb3 Bd7 11.Nde2 Rac8 12.f4 Qc7 13.g4 Na5 14.g5 Nh5 15.Nd5 Qd8
16.f5 Nxb3 17.axb3 e6 18.Ndc3 exf5 19.exf5 Bxf5 20.Kg2 Qd7 21.Rf3 a6 22.Nd4 Rc5
23.Nde2 Re5 24.Qd2 Rfe8 25.Rd1 Bxc2 26.Rdf1 Bxb3 27.Bd4 R5e7 28.Bxg7 Nxg7
29.Nd4 Be6 30.Ne4 Bxh3+ 31.Rxh3 Rxe4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Wexler, Bernardo"]
[Black "Vasta, Eduardo"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A29"]

1.Nf3 Nc6 2.c4 e5 3.Nc3 Nf6 4.g3 Bc5 5.Bg2 e4 6.Ng5 Bxf2+ 7.Kxf2 Ng4+ 8.Ke1 Qxg5
9.Nxe4 Qe5 10.e3 d6 11.Nf2 h5 12.d4 Qe7 13.Qd3 h4 14.Bd2 Nxf2 15.Kxf2 Qf6+
16.Kg1 Bf5 17.Be4 Bh3 18.b4 Qg5 19.Kf2 Rh6 20.Rag1 O-O-O  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Najdorf, Miguel"]
[Black "Steinbaum, Fernando"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D16"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Na6 6.e3 Bg4 7.Bxc4 e6 8.h3 Bh5
9.g4 Bg6 10.Ne5 Nb4 11.Nxg6 hxg6 12.Kf1 Be7 13.a5 c5 14.Kg2 cxd4 15.exd4 Qc7
16.Bb5+ Kf8 17.Qf3 Nfd5 18.Bd2 Rd8 19.Rhc1 Qb8 20.Ne4 a6 21.Ba4 Kg8 22.Rc4 Rc8
23.b3 Rxc4 24.bxc4 b5 25.cxd5 exd5 26.Nc5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "5"]
[White "Seidler, A."]
[Black "Incutto, Carlos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C85"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.Qe1 Nd7 8.b3 O-O
9.Bb2 Bf6 10.d3 Re8 11.Nbd2 c5 12.Nc4 b5 13.Ne3 Nb6 14.Rd1 a5 15.Kh1 a4 16.Ng1 axb3
17.axb3 Ra2 18.Ba1 Be6 19.Ne2 c6 20.f4 exf4 21.Bxf6 Qxf6 22.Nxf4 Qe5 23.Ra1 Rxa1
24.Qxa1 Bd7 25.Qxe5 Rxe5 26.h3 f5 27.Nxf5 Bxf5 28.exf5 Rxf5 29.g4 Rf6 30.Kg2 Kf7
31.g5 Rf5 32.h4 Nd5 33.Kg3 b4 34.Rf2 g6 35.Nh3 Ke6 36.Rxf5 Kxf5 37.Kf3 Nc7
38.Nf4 Nb5 39.Ne2 Na3 40.c4 Nc2 41.Ng3+ Ke5 42.Ne4 Nd4+ 43.Kf2 Nxb3 44.Ke3 Kf5
45.Nf6 h6 46.Ne4 hxg5 47.hxg5 Kg4 48.Kf2 Kf4 49.Ke2 Nd4+ 50.Kd2 Ne6 51.Ke2 Nd4+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Panno, Oscar"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E09"]

1.g3 d5 2.Bg2 Nf6 3.Nf3 e6 4.O-O Be7 5.c4 O-O 6.d4 c6 7.b3 b6 8.Bb2 Nbd7
9.Nbd2 Bb7 10.Rc1 Rc8 11.Qc2 c5 12.Qb1 dxc4 13.Nxc4 b5 14.Ncd2 Qa5 15.a3 cxd4
16.b4 Qa6 17.Nxd4 Bxg2 18.Kxg2 e5 19.Nf5  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Vasta, Eduardo"]
[Black "Casas, Fernando"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B07"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5 Bg7 5.Be2 c6 6.Qd2 h6 7.Be3 Ng4 8.Bxg4 Bxg4
9.Nge2 Bxe2 10.Qxe2 Nd7 11.f4 Qa5 12.O-O c5 13.dxc5 Bxc3 14.bxc3 Nxc5 15.Bd4 O-O
16.f5 e5 17.Be3 Kh7 18.Rf3 Nxe4 19.Rh3 Rh8 20.Bxh6 d5 21.fxg6+ Kg8 22.gxf7+ Kxf7
23.Rf1+ Ke7 24.Kh1 Rag8 25.Qh5 Kd6 26.Qf5 Qd8 27.Rd1 Nxc3 28.Rxc3 Rxh6 29.Rcd3 d4
30.c3 Rf6 31.Qe4 Qf8 32.Kg1 Rf2 33.Rxd4+ exd4 34.Qxd4+ Kc6 35.Qd7+ Kc5 36.Qc7+ Kb5
37.Rb1+ Ka4 38.Qc4+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Szmetan, Jorge"]
[Black "Rossetto, Hector"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B32"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 a6 6.Nd6+ Bxd6 7.Qxd6 Qf6 8.Qd1 Qg6
9.Nc3 Nge7 10.h4 d5 11.h5 Qd6 12.exd5 Nb4 13.a3 Nbxd5 14.h6 Bf5 15.hxg7 Rg8
16.Nxd5 Qxd5 17.Qxd5 Nxd5 18.Rh5 Ne7 19.Bg5 Bg6 20.Rh3 Rc8 21.Re3 e4 22.O-O-O Rxg7
23.Bf6 Rg8 24.g4 Rc6 25.g5 h6 26.Bh3 Rc5 27.Rd7 Nc6 28.Rc7 Rd5 29.Rc3  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Steinbaum, Fernando"]
[Black "Vidal, Ramon"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E69"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.d4 Nbd7 7.O-O e5 8.e4 Re8
9.h3 c6 10.Be3 Qc7 11.Qc2 exd4 12.Nxd4 Nc5 13.b4 Ne6 14.Nb3 h6 15.Rad1 Ng5
16.Kh2 Qe7 17.Nd2 Qe6 18.g4 Nxh3 19.Bxh3 Nxg4+ 20.Kg1 Nxe3 21.fxe3 Qxh3 22.Nf3 Bg4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Soria, Alejandro"]
[Black "Leskovar, Mario"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B03"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.d4 d6 5.f4 dxe5 6.fxe5 Bf5 7.Be3 e6 8.Nc3 Bb4
9.Qf3 Qh4+ 10.Bf2 Qe4+ 11.Qxe4 Bxe4 12.Nf3 Na4 13.a3 Bxc3+ 14.bxc3 Nxc3 15.Kd2 Na4
16.Re1 Bg6 17.c5 a6 18.Bc4 Nb2 19.Be2 Nc6 20.Nh4 Be4 21.Bf1 Bd5 22.Rb1 Na4
23.Rxb7 Nxd4 24.Rxc7 Nb3+ 25.Kc2 O-O 26.Nf3 Rfd8 27.Bd3 Na5 28.Ng5 Bb3+ 29.Kc1 Rxd3
30.Nxf7 Rf8 31.Rf1 Rc3+ 32.Kd2 Nc4+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Silva Nazzari, Roberto"]
[Black "Bronstein, Luis"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C01"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.exd5 exd5 5.Nf3 Bg4 6.Bb5+ c6 7.Be2 Bxf3 8.Bxf3 Bd6
9.O-O O-O 10.Bg5 h6 11.Bxf6 Qxf6 12.Re1 Na6 13.Ne2 Rae8 14.c3 Nc7 15.Qd3 Re7
16.Ng3 Bxg3 17.hxg3 Rfe8 18.Kf1 Ne6 19.Re2 g6 20.Rae1 h5 21.Qd2 Kg7 22.Re5 Ng5
23.Rxe7 Rxe7 24.Rxe7 Qxe7 25.Qe2 Qf6 26.Qd3 Ne6 27.Qe3 Qf5 28.Qe1 Kf6 29.Qc1 Ke7
30.Bd1 Kd6 31.Bc2 Qf6 32.Qe3 b6 33.b4 Qg5 34.Qxg5 Nxg5 35.f3 Ne6 36.Ke2 c5
37.bxc5+ bxc5 38.dxc5+ Kxc5 39.Kd3 g5 40.Ke3 Kd6 41.f4 f6 42.fxg5 fxg5 43.Bg6 Ng7
44.Kd4 Ne6+ 45.Ke3 Ng7 46.Kd4 a5 47.Bf7 Nf5+ 48.Kd3 Nxg3 49.Kd4 Ne2+ 50.Ke3 Nxc3  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Schweber, Samuel"]
[Black "Rubinetti, Jorge A"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C66"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Bxc6 Bxc6 8.dxe5 dxe5
9.Nxe5 Qxd1 10.Rxd1 Bxe4 11.Nxe4 Nxe4 12.Nc4 Nd6 13.Nxd6+ Bxd6 14.Be3  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Pilnik, Herman"]
[Black "Puiggros, Guillermo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B02"]

1.e4 Nf6 2.e5 Nd5 3.Nc3 e6 4.Nf3 Be7 5.d4 Nxc3 6.bxc3 b6 7.Bd3 Bb7 8.Qe2 d6
9.Bf4 g5 10.exd6 cxd6 11.Bb5+ Nd7 12.Bxd7+ Qxd7 13.Nxg5 Qc7 14.Qb5+ Bc6 15.Qd3 Rg8
16.h4 h6 17.Nf3 Rxg2 18.Rf1 Qb7 19.Nd2 O-O-O 20.Bg3 f5 21.Qe3 e5 22.dxe5 dxe5
23.Qxe5 Bc5 24.O-O-O Rf8 25.Nc4 Rxg3 26.fxg3 Qa6 27.Nd6+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Pelikan, Jorge"]
[Black "Palermo, Vicente"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C77"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 Be7 6.c3 d6 7.O-O O-O 8.Rd1 Bd7
9.Bc2 Re8 10.d3 h6 11.Nbd2 Bf8 12.Nf1 Ne7 13.d4 Ng6 14.dxe5 dxe5 15.g3 c6
16.Ne3 Qc7 17.Nf5 Rad8 18.h3 Be6 19.Rxd8 Rxd8 20.Nh2 c5 21.Qf3 Bxf5 22.Qxf5 Ne8
23.Ng4 Nd6 24.Qf3 Nc4 25.Qe2 b5 26.b3 Nb6 27.h4 Be7 28.Ne3 Nf8  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Zuccotti, Eduardo"]
[Black "Nemoy, E."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A81"]

1.d4 f5 2.g3 Nf6 3.Bg2 d6 4.Nf3 c6 5.O-O Qc7 6.Nbd2 Nbd7 7.e4 Nb6 8.e5 dxe5
9.Nxe5 Nbd7 10.Ndf3 Nxe5 11.Nxe5 Be6 12.Bf4 Qb6 13.c4 g6 14.b4 Bg7 15.d5 cxd5
16.cxd5 Rd8 17.Qa4+ Bd7 18.Nxd7 Nxd7 19.Rac1 Qa6 20.Qb3 Be5 21.Be3 b6 22.Rfe1 Rc8
23.b5 Qb7 24.d6 Qb8 25.Qe6 Bxd6 26.Bc6 Rd8 27.Bf4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Link, Hugo E"]
[Black "Ocampo, Raul"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C41"]

1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.O-O Be7 6.dxe5 dxe5 7.Ng5 Bxg5 8.Qh5 g6
9.Qxg5 Qxg5 10.Bxg5 Nc5 11.f3 Ne6 12.Be3 Nf6 13.Nd2 b6 14.a4 Nc7 15.Rfd1 Ke7
16.a5 c5 17.axb6 axb6 18.Rxa8 Nxa8 19.Ra1 Be6 20.Ra7+ Kd6 21.Bg5 Nd7 22.Bb5 Nc7
23.Bxd7 Kxd7 24.Bf6 Ra8 25.Rxa8 Nxa8 26.Bxe5 b5 27.Kf2 Nb6 28.b3 h5 29.Ke3 Kc6
30.f4 b4 31.Nf3 Nd7 32.h3 f6 33.Bb2 Kd6 34.Bxf6 Nxf6 35.e5+ Ke7 36.exf6+ Kxf6
37.Ne5 Bf5 38.Nd3 h4 39.Kf3 Ke7 40.Nxc5 Bxc2 41.Kg4 Kd6 42.Na6 Bxb3 43.Nxb4 Be6+
44.Kxh4 Bf5 45.Kg5 Be4 46.g4 Ke6 47.Na2 Kf7 48.Nc3 Bg2 49.h4 Bc6 50.Ne2 Kg7
51.Ng3 Ba4 52.h5 gxh5 53.Nxh5+ Kf7 54.f5 Bd1 55.Kf4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Linares, E."]
[Black "Yunis, J."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C02"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 h6 6.Bd3 c4 7.Bc2 Bd7 8.O-O Qc7 9.h3 O-O-O
10.b4 f5 11.a4 g5 12.Nh2 Be8 13.Na3 Be7 14.a5 h5 15.Nb5 g4 16.Nxc7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Letelier, Rene"]
[Black "Ferreyra Moyano, H."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C90"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 Bg4
9.d3 O-O 10.Nbd2 Kh8 11.h3 Be6 12.Bc2 Ng8 13.d4 Bd7 14.Nf1 g6 15.a4 Rb8 16.axb5 axb5
17.d5 f5 18.exf5 gxf5 19.dxc6 Bxc6 20.Ne3 Bxf3 21.Qxf3 e4 22.Qh5 Qd7 23.g4 d5
24.Nxf5 Nf6 25.Qh6 Rg8 26.Nxe7 Nxg4 27.Nxg8 Rxg8 28.hxg4 Qxg4+ 29.Kf1 Qg2+
30.Ke2 Qf3+ 31.Kd2 d4 32.Qxh7+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Higer, A."]
[Black "Pleci, Isaias"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E60"]

1.d4 Nf6 2.c4 g6 3.g3 c5 4.Bg2 cxd4 5.Nf3 e5 6.O-O d6 7.e3 dxe3 8.Bxe3 Nc6
9.Nc3 Bg7 10.Qe2 O-O 11.Rfd1 Be6 12.Bc5 Ne8 13.Ne4 Qa5 14.Ba3 Qa6 15.Rac1 Bg4
16.Rd5 f5 17.Nxd6 Nxd6 18.Rxd6 e4 19.Rd7 Ne5 20.Bxf8 Rxf8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Buj, Pablo"]
[Black "Seidler, A."]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D66"]

1.d4 d5 2.Nf3 e6 3.c4 Nf6 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.Bd3 dxc4
9.Bxc4 b5 10.Bd3 a6 11.O-O c5 12.Qe2 Bb7 13.dxc5 Bxf3 14.gxf3 Nxc5 15.Bb1 b4
16.Rfd1 Qa5 17.Bxf6 Bxf6 18.Ne4 Nxe4 19.Bxe4 Rad8 20.b3 Bc3 21.Bb7 Qg5+ 22.Kh1 a5
23.f4 Qc5 24.Rxd8 Rxd8 25.Rd1 Rxd1+ 26.Qxd1 g6 27.Qe2 Qf5 28.Qd1 Kg7 29.Kg2 h5
30.Bf3 Bf6 31.Qc1 Qd3 32.Qc5 Qd2 33.Bc6 Qxa2 34.Ba4 Qe2 35.h3 Bh4 36.Qd4+ e5
37.Qxe5+ Kh7 38.f5 Qxf2+ 39.Kh1 Bg3 40.fxg6+ fxg6  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Brond, Victor"]
[Black "Hase, Juan C"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D40"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.e3 Nf6 5.Nf3 Nc6 6.a3 dxc4 7.Bxc4 a6 8.O-O b5
9.Ba2 Bb7 10.d5 exd5 11.Nxd5 Nxd5 12.Bxd5 Na5 13.e4 Be7 14.b4 cxb4 15.axb4 Bxd5
16.exd5 Nc4 17.Rb1 O-O 18.Qd3 Ra7 19.Rd1 Rd7 20.Bf4 Bf6 21.g4 Nb2 22.Rxb2 Bxb2
23.Ng5 g6 24.Qh3 f5 25.Ne6 Qf6 26.Nxf8 Qxf8 27.d6 fxg4 28.Qxg4 Qf5 29.Qe2 h5
30.Bg3 Bf6 31.h4 Kg7 32.Rc1 Bd8 33.Qe8 Qf7 34.Be5+ Bf6 35.Qxd7 Qxd7 36.Rc7 Qf7
37.f4 Kf8 38.Rc8+ Kg7 39.Rc7 Kf8  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Anelli, Antonio"]
[Black "Cristobal, Ruben"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D93"]

1.c4 Nf6 2.d4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.Rc1 c6 7.e3 Nbd7 8.cxd5 Nxd5
9.Nxd5 cxd5 10.Bc7 Qe8 11.Qb3 Nf6 12.Be2 b6 13.O-O Bd7 14.Ne5 Ba4 15.Qb4 Ne4
16.b3 Bxe5 17.Bxe5 Bc6 18.Ba6 f6 19.Bf4 g5 20.Bg3 h5 21.f3 Nxg3 22.hxg3 h4
23.gxh4 gxh4 24.Qe1 Bb5 25.Bxb5 Qxb5 26.Qxh4 Rf7 27.Qg4+ Rg7 28.Qe6+ Kh7
29.Rf2 Rh8 30.Qf5+ Rg6 31.Qe6 Qb4 32.Qf7+ Kh6 33.g4 Rgg8 34.Rh2+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Amillano, J."]
[Black "Loeffler, Arthur G"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C20"]

1.e4 e5 2.Qh5 Nc6 3.Bc4 g6 4.Qf3 Nd4 5.Qxf7+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "6"]
[White "Foguelman, Alberto"]
[Black "Reinhardt, Enrique Heinrich"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E00"]

1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2 a5 5.Bg2 O-O 6.Nc3 d5 7.Nf3 Nbd7 8.cxd5 exd5
9.O-O c6 10.Rc1 Re8 11.a3 Bd6 12.Nh4 Bc7 13.Qc2 Nb6 14.Rce1 Nc4 15.Bc1 Nd6
16.Bf4 Bb6 17.Rd1 Bg4 18.Rfe1 h6 19.Na4 Bc7 20.f3 Bc8 21.Rb1 b5 22.Nc5 Nc4
23.Bc1 a4 24.Nf5 Ba5 25.Rf1 Bxf5 26.Qxf5 Rxe2 27.Rf2 Qe7 28.Bf1 Rxf2 29.Kxf2 Nd6
30.Qe5 Re8 31.Bf4 Bc7 32.Qxe7 Rxe7 33.Na6 Nde8 34.Nxc7 Nxc7 35.Rc1 Ne6 36.Bd6 Rd7
37.Rxc6 Nxd4 38.Rc8+ Kh7 39.Bd3+ g6 40.Be5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Najdorf, Miguel"]
[Black "Carames, Luis"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E62"]

1.d4 Nf6 2.c4 d6 3.Nf3 g6 4.g3 Bg7 5.Bg2 O-O 6.Nc3 Nc6 7.O-O e5 8.d5 Ne7
9.e4 Nh5 10.Nh4 Bd7 11.Be3 b6 12.Rc1 a5 13.b3 Qc8 14.Nb5 f5 15.exf5 Nxf5
16.Nxf5 Bxf5 17.Qd2 Bh3 18.Bxh3 Qxh3 19.Nxc7 Nf4 20.f3 Ra7 21.Nb5 Rd7 22.gxf4 exf4
23.Bd4 Rf5 24.Rf2 Re7 25.Bxg7 Kxg7 26.Nxd6 Rg5+ 27.Kh1 Re3 28.Qd4+ Rge5 29.Ne4 Qh5
30.Rcf1  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Benko, Francisco"]
[Black "Bazan, Osvaldo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B22"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Qxd4 e6 6.Nf3 Nc6 7.Qe4 d6 8.Nbd2 Qc7
9.Nc4 dxe5 10.Ncxe5 Bd6 11.Nxc6 bxc6 12.Bc4 O-O 13.O-O Bb7 14.Bd3 Nf6 15.Qh4 Be7
16.Bf4 Qb6 17.Ne5 Rfd8 18.Bxh7+ Kf8 19.Bg6 fxg6 20.Qh8+ Ng8 21.Nxg6+ Kf7
22.Ne5+ Kf6 23.Qh7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Brond, Victor"]
[Black "Incutto, Carlos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D63"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.Rc1 O-O 6.Nf3 Nbd7 7.e3 c6 8.Bh4 a6
9.cxd5 exd5 10.Bd3 Re8 11.Bg3 Nf8 12.Qc2 g6 13.O-O Ne6 14.Na4 Ng7 15.Nc5 Bd6
16.b4 Bxg3 17.hxg3 Qe7 18.a4 b6 19.Nb3 Qxb4 20.Qxc6 Be6 21.Qc3 Qa3 22.Nbd2 Qe7
23.Ne5 Rec8 24.Qb2 Qb7 25.Rxc8+ Rxc8 26.Rb1 Rb8 27.Nb3 Bc8 28.Qc3 Bf5 29.Na5 Rc8
30.Nxb7 Rxc3 31.Bxf5 Nxf5 32.Rxb6 Ne4 33.g4 Rc1+ 34.Kh2 Nfg3 35.fxg3 Nf2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Bulcourf, Carlos"]
[Black "Panno, Oscar"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A02"]

1.e3 g6 2.f4 Bg7 3.Nf3 c5 4.d4 Nf6 5.Bd3 O-O 6.c3 d6 7.O-O b6 8.Qe2 Nc6 9.Nbd2 e6
10.e4 cxd4 11.Nxd4 Bb7 12.N2f3 Nd7 13.Ba6 Nxd4 14.cxd4 Bxa6 15.Qxa6 Qc8 16.Qd3 e5
17.Be3 exd4 18.Bxd4 Nc5 19.Bxc5 Qxc5+ 20.Kh1 Bxb2 21.Rad1 Rae8 22.Rfe1 Ba3
23.Re3 Bc1 24.Nd2 Re6 25.f5 Bxd2 26.Qxd2 gxf5 27.Rg3+ Kh8 28.Qb2+ f6 29.exf5 Qxf5
30.Rf3 Qe5 31.Qb1 Rc8 32.Rdf1 d5 33.R3f2 d4 34.Rf5 Qd6 35.Rh5 Rc7 36.Rf3 Re3
37.Rf1 d3 38.Qb3 Rd7 39.Qc3 Re5 40.Rxf6 Qxf6 41.Rxe5 d2 42.Re8+ Kg7 43.Qg3+ Qg6
44.Qe5+ Kf7  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Cristobal, Ruben"]
[Black "Otaolea, A."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B41"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.g3 Qc7 6.Bg2 Nc6 7.O-O Nf6 8.Nxc6 bxc6
9.c4 Bb7 10.Nc3 d5 11.cxd5 cxd5 12.exd5 Nxd5 13.Nxd5 exd5 14.Bxd5 Be7 15.Bf4 Qb6
16.Qa4+ Kf8 17.Bxb7 Qxb7 18.Rac1 Qxb2 19.Qd7 Re8 20.Rc8  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Farah, Rodolfo"]
[Black "Anelli, Antonio"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B97"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2
9.Rb1 Qa3 10.e5 dxe5 11.fxe5 Nfd7 12.Bc4 Bb4 13.Rb3 Qa5 14.Nxe6 fxe6 15.O-O Qc5+
16.Rf2 Qxc4 17.Rxb4 Qxb4 18.a3 Qxa3 19.g3 Rf8 20.Ne4 Qa1+ 21.Kg2 Rxf2+ 22.Kxf2 Qxe5
23.Qb4 Nc6 24.Nd6+ Kf8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Garcia, H."]
[Black "Cuasnicu, Oscar"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B87"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 a6 7.Bb3 b5 8.Qe2 b4
9.Na4 Be7 10.O-O O-O 11.Rd1 Qc7 12.f3 Nbd7 13.Qc4 Qxc4 14.Bxc4 Bb7 15.Bg5 h6
16.Bh4 Ne5 17.Bb3 Rad8 18.c3 bxc3 19.Nxc3 g5 20.Bf2 Nh5 21.Nde2 Ng6 22.Rac1 Nhf4
23.Kf1 Rc8 24.Na4 Nxe2 25.Kxe2 Bc6 26.Nb6 Bb5+ 27.Kd2 Rxc1 28.Rxc1 a5 29.Bc4 Bxc4
30.Nxc4 d5 31.exd5 exd5 32.Nb6 Nf4 33.Bc5 Rb8 34.Na4 Bf6 35.Bd6 Rb7 36.Bxf4 gxf4
37.b3 Bd4 38.Rc8+ Kg7 39.Kd3 Bg1 40.Ra8 Ba7 41.Nc3 Rd7 42.Ne2 Kf6 43.Nxf4 Ke5
44.Ne2 d4 45.Rh8 Rd6 46.Re8+ Kd5 47.Re7 Bb6 48.Rxf7 Kc5 49.a3 Rd5 50.Rf6 Re5
51.Nxd4 Rd5 52.Rc6+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Leskovar, Mario"]
[Black "Pilnik, Herman"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D77"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 g6 4.d4 Bg7 5.O-O O-O 6.c4 dxc4 7.Nc3 Nc6 8.d5 Na5
9.Qa4 b6 10.Rd1 Bd7 11.Qa3 Ne8 12.Nd4 Nd6 13.e4 a6 14.Bf4 Bxd4 15.Rxd4 Nb5
16.Nxb5 axb5 17.Qc3 Nb3 18.Rdd1 Nxa1 19.Bh6 f6 20.Rxa1 Rf7 21.f4 e6 22.e5 Rb8
23.g4 f5 24.gxf5 Rxf5 25.Bh3 Rh5 26.dxe6 Bc6 27.Bg5 Qd5 28.Kf2 Rxg5 29.fxg5 Rf8+
30.Ke2 Rf3  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Loeffler, Arthur G"]
[Black "Szmetan, Jorge"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.Re1 Nc5 7.Bxc6 dxc6 8.Nxe5 Be7
9.Nc3 O-O 10.d4 Ne6 11.Be3 f6 12.Nf3 f5 13.d5 cxd5 14.Nxd5 Bd6 15.h3 Kh8
16.c4 f4 17.Bd2 c6 18.Nc3 Nc5 19.b3 Qf6 20.Ne4 Nxe4 21.Rxe4 Bxh3 22.Qe1 Qg6
23.Nh4 Qh5 24.f3 Bc5+ 25.Kf1 Bf5 26.Nxf5 Rxf5 27.b4 Qh1+ 28.Ke2 Qxg2+ 29.Kd1 Qxf3+
30.Kc2 Be3 31.Re7 Qg2 32.Rd1 Qg6 33.Kb3 Re8 34.Qh4 Rf6 35.Rxe8+ Qxe8 36.Bc3 Rf8
37.Rh1 Qg6 38.Qe7 Qf7 39.Qh4 Qf5 40.Qh6 Rg8 41.Rd1 Bb6 42.Re1 Qg4 43.Rh1 Qf5
44.Kb2 Bd8 45.Rh5 Qd3 46.Qe6 f3 47.Qf7 Qe2+ 48.Ka3 f2 49.Qg6 Qxh5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Tanner, Pedro"]
[Black "Neu, L."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D61"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 Nbd7 6.Nf3 O-O 7.Qc2 c6 8.a3 dxc4
9.Bxc4 h6 10.Bh4 Re8 11.O-O b5 12.Ba2 Bb7 13.Rfd1 a6 14.Rac1 Qc7 15.e4 Rac8
16.e5 Nd5 17.Nxd5 exd5 18.Bxe7 Rxe7 19.Bb1 Nf8 20.Nh4 g6 21.Qd2 Kg7 22.f4 f5
23.g4 Rf7 24.gxf5 Qe7 25.f6+ Rxf6 26.exf6+ Qxf6 27.Nf3 Ne6 28.f5 gxf5 29.Qd3 Rf8
30.Kh1 Kh8 31.Ne5 Ng5 32.Nd7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Ordonez, JA."]
[Black "Vasta, Eduardo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C56"]

1.e4 Nc6 2.d4 e5 3.Nf3 exd4 4.Bc4 Nf6 5.O-O Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.Nc3 Qa5
9.Nxe4 Be6 10.Neg5 O-O-O 11.Nxe6 fxe6 12.Rxe6 Bd6 13.Bg5 Rdf8 14.Qe2 Qd5
15.Rd1 Kd7 16.Re1 Rxf3 17.Qxf3 Qxg5 18.Qf7+ Be7 19.h4 Qxh4 20.Qxg7 Re8 21.R1e4 Qh5
22.b4 a6 23.a4 Qf5 24.g4 Qd5 25.Qxh7 Qg5 26.Qf7 Kd8 27.c4 Rf8 28.Qh7 Qc1+
29.Re1 Qd2 30.R1e2 Qg5 31.b5 Qxg4+ 32.Kf1 Rg8 33.Qh1 d3 34.Rd2 Qxe6 35.Rxd3+ Kc8
36.bxc6 Qxc4 37.cxb7+ Kb8 38.Qf3 Rd8 39.Ke2 Qc2+ 40.Ke1 Qxd3 41.Qxd3 Rxd3  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Paglilla, Carlos"]
[Black "Schweber, Samuel"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B28"]

1.e4 c5 2.Nf3 a6 3.c3 e6 4.d4 d5 5.e5 Bd7 6.Bd3 Nc6 7.O-O Qc7 8.Re1 cxd4
9.cxd4 Nb4 10.Nc3 Nxd3 11.Qxd3 Ne7 12.Bg5 Qb6 13.Rac1 Rc8 14.Rc2 h6 15.Bh4 Qa5
16.Nd2 Nf5 17.Nb3 Qb4 18.Bg3 Ba4 19.Rd1 Bxb3 20.axb3 Qxb3 21.f4 Ne3 22.Qxe3 Qxc2
23.Re1 Qxb2 24.Nxd5 Qb5 25.Nf6+ gxf6 26.f5 Qd5 27.fxe6 fxe6 28.exf6 Rc2 29.Bf2 Kf7
30.Qd3 Qf5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Pleci, Isaias"]
[Black "Silva Nazzari, Roberto"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A48"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O 5.h3 d6 6.Nbd2 Nbd7 7.c3 Qe8 8.Bh2 e5
9.Qb3 Qe7 10.Nc4 e4 11.Nfd2 Nb6 12.Na5 Re8 13.Qc2 c5 14.Nac4 Nxc4 15.Nxc4 Rd8
16.dxc5 dxc5 17.Rd1 Rxd1+ 18.Qxd1 Ne8 19.Be2 b6 20.O-O Ba6 21.Qa4 Qb7 22.Nd6 Nxd6
23.Bxa6 Qe7 24.Bxd6 Qxd6 25.Qxe4 Rd8 26.Be2 Qe6 27.Qa4 Rd2 28.Bc4 Qd7 29.Qb3 Bf6
30.e4 Kg7 31.Bd5 b5 32.f4 b4 33.Qc4 Rxb2 34.e5 Bd8 35.Kh1 Rd2  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Puiggros, Guillermo"]
[Black "Foguelman, Alberto"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C05"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4 c5 6.c3 Nc6 7.Ngf3 cxd4 8.cxd4 Qb6
9.Nb3 Bb4+ 10.Kf2 f6 11.Be3 a5 12.a4 Be7 13.Rc1 O-O 14.Bd3 Nb4 15.Bb1 Rf7
16.exf6 Bxf6 17.Ne5 Bxe5 18.dxe5 Rxf4+ 19.Ke2 Qa6+ 20.Kd2 Rf7 21.Qh5 Nf8
22.Nc5 Qc6 23.Rhf1 Qe8 24.Rxf7 Qxf7 25.Qxf7+ Kxf7 26.Nxb7 Bd7 27.Nc5 Be8
28.b3 Nc6 29.Nd3 d4 30.Bf2 Rb8 31.Nc5 Ng6 32.Bg3 Nf8 33.Bd3 g5 34.h4 h6 35.hxg5 hxg5
36.Ne4 Rxb3 37.Nd6+ Ke7 38.Nxe8 Nb4 39.Bb5 Rxg3 40.Rc7+ Kd8 41.Rf7 Rxg2+
42.Ke1 d3 43.Kd1 Nd5 44.Bxd3 Kxe8 45.Ra7 Kd8 46.Ra8+ Ke7 47.Rxa5 Nd7 48.Ra7 Kd8
49.a5 Nxe5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Reinhardt, Enrique Heinrich"]
[Black "Silva Nazzari, Hector"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D94"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 g6 5.e3 Bg7 6.Bd3 O-O 7.O-O Bg4 8.cxd5 cxd5
9.Qb3 Bxf3 10.gxf3 Qd7 11.Be2 Nc6 12.Rd1 Rfd8 13.Bd2 Bf8 14.f4 Na5 15.Qb5 Qxb5
16.Bxb5 a6 17.Be2 Nc6 18.Na4 Nd7 19.b4 e6 20.Nc5 Rab8 21.a4 Nxc5 22.bxc5 b6
23.cxb6 Rxb6 24.a5 Rb3 25.Bxa6 Ra8 26.Bf1 Bb4 27.Bxb4 Rxb4 28.a6 Rb6 29.Rdb1 Rxb1
30.Rxb1 Kf8 31.Rb6 Na7 32.f3 Nc8 33.Rc6 Na7 34.Rc7 Ke8 35.e4 dxe4 36.fxe4 h6
37.e5 Kf8 38.Bg2 Nb5 39.Rc5 Rxa6 40.Rxb5 Ra4 41.Rb8+ Kg7 42.Rd8  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Rossetto, Hector"]
[Black "Luckis, Marcos"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D01"]

1.d4 Nf6 2.Nc3 d5 3.Bg5 Nbd7 4.f3 e6 5.e4 Be7 6.e5 Ng8 7.Bd2 c5 8.f4 Nh6
9.Bd3 cxd4 10.Nb5 Nc5 11.Nxd4 Nxd3+ 12.cxd3 Qb6 13.Bc3 Nf5 14.Nxf5 exf5 15.Nf3 Qe3+
16.Qe2 Qxe2+ 17.Kxe2 Be6 18.Rhc1 Kd7 19.Nd4 h5 20.h3 Bc5 21.Nb3 Be7 22.Bd4 b6
23.Bf2 g5 24.Rc2 Rhc8 25.Rac1 Rxc2+ 26.Rxc2 gxf4 27.Kf3 Rg8 28.Nd4 Bc5 29.Ne2 d4
30.Nxf4 a5 31.Nxh5 Bd5+ 32.Ke2 Ke6 33.Nf4+ Kxe5 34.Nxd5 Kxd5 35.Kf3 Bd6 36.Rc1 Re8
37.h4 Rh8 38.Rh1 Rh5 39.a4 Be5 40.g3 Rh8 41.Rc1 Rb8 42.h5 Rh8 43.Rh1 Ke6
44.Be1 Rc8 45.Bd2 Rc2 46.Bf4 Bh8 47.Re1+ Kd7 48.Re2 Rc5 49.Bg5 Be5 50.h6 f6
51.Rxe5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Rubinetti, Jorge A"]
[Black "Link, Hugo E"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A79"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O
9.O-O Re8 10.Nd2 Na6 11.f3 Nc7 12.a4 b6 13.Nc4 Ba6 14.Bg5 h6 15.Be3 Kh7 16.Qd2 Qe7
17.Rae1 Bxc4 18.Bxc4 Qd7 19.Rb1 a6 20.b4 Ng8 21.Kh1 Rab8 22.b5 a5 23.Rbe1 Ne7
24.Qd3 Kg8 25.Bd2 Rbd8 26.f4 Nc8 27.Qf3 Kh7 28.h3 f5 29.exf5 gxf5 30.Bd3 Kg8
31.Nd1 Rxe1 32.Rxe1 Qf7 33.Bc4 Ne7 34.Bc3 Bf6 35.Bxf6 Qxf6 36.Qc3 Kf7 37.Qxf6+ Kxf6
38.Ne3 h5 39.g3 Rg8 40.Kg2 Ng6 41.Kf3 Ne7 42.g4 hxg4+ 43.hxg4 fxg4+ 44.Nxg4+ Kf7
45.Nh6+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Scarfo, Ruben"]
[Black "Guichon, D."]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C00"]

1.e4 e6 2.Qe2 c5 3.Nf3 Nc6 4.g3 Nf6 5.Bg2 d6 6.O-O Qc7 7.c3 g6 8.d4 cxd4
9.cxd4 Bg7 10.Nc3 O-O 11.h3 a6 12.Be3 Rb8 13.Rad1 b5 14.a3 Na5 15.Nd2 Bb7
16.f3 Rfc8 17.Qf2 Nc4 18.Nxc4 Qxc4 19.Rd2 d5 20.Rfd1 Nd7 21.h4 Nb6 22.h5 Qb3
23.Bf4 Nc4 24.Bxb8 Nxd2 25.Rxd2 Rxb8 26.hxg6 hxg6 27.Bf1 dxe4 28.fxe4 Rd8
29.Bg2 b4 30.axb4 Qxb4 31.d5 Bxc3 32.bxc3 Qxc3 33.Qf4 exd5 34.Rf2 Rd7 35.exd5 Qc7
36.Qg5 Qc5 37.Be4 Qe7 38.Qg4 Kg7 39.Kh2 Bxd5 40.Bf5 Qe1 41.Qd4+ Kg8 42.g4 gxf5
43.gxf5 Qh1+ 44.Kg3 Qg1+ 45.Kf4 f6 46.Qb2 Qg5+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "7"]
[White "Szmetan, Ricardo"]
[Black "Buj, Pablo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C81"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6
9.Qe2 Be7 10.Rd1 O-O 11.c4 bxc4 12.Bxc4 Qd7 13.Nc3 Nxc3 14.bxc3 f6 15.exf6 Bxf6
16.Ng5 Bxg5 17.Bxg5 h6 18.Be3 Ne5 19.Bb3 Qd6 20.f3 Rae8 21.c4 c6 22.cxd5 Bxd5
23.Rac1 Qe6 24.Rxc6 Bxc6 25.Bxe6+ Rxe6 26.f4 Bb5 27.Qd2 Ng4 28.Qd5 Re8 29.Bd4 Kh8
30.Bc3 Ne3 31.Qd4 R6e7 32.Rb1 Nf5 33.Qc5 Bd3 34.Rd1 Bc2 35.Rd5 Ne3 36.Re5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Ocampo, Raul"]
[Black "Farah, Rodolfo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D84"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.cxd5 Nxd5 7.Nxd5 Qxd5 8.Bxc7 Nc6
9.Ne2 Bg4 10.f3 Bxf3 11.gxf3 Qxf3 12.Rg1 Qxe3 13.Bf4 Qf3 14.Bg2 Qh5 15.Bxc6 bxc6
16.Qc2 c5 17.dxc5 Rac8 18.Rc1 Qh4+ 19.Bg3 Qb4+ 20.Kf1 Bh6 21.Qc4 Qxb2 22.Bf4 Bxf4
23.Nxf4 Qf6 24.Ke1 Rfd8 25.Ne2 Rd7 26.Rf1 Qg7 27.Rf3 Rdc7 28.Qa6 Qe5 29.c6 Qxh2
30.Qa4 Qh1+ 31.Kf2 Qh2+ 32.Ke1 Qh1+ 33.Kd2 Qxf3  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Amillano, J."]
[Black "Ordonez, JA."]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B74"]

1.e4 c5 2.Nc3 Nc6 3.Nf3 g6 4.d4 cxd4 5.Nxd4 Bg7 6.Be3 Nf6 7.Nb3 O-O 8.Be2 d6
9.O-O Be6 10.f4 Qc8 11.Nd4 Ng4 12.Nxc6 bxc6 13.Bd4 Nf6 14.h3 c5 15.Be3 Rd8
16.Nd5 Qb7 17.Bf3 Bxd5 18.exd5 Qxb2 19.Qd3 Nd7 20.a4 Qc3 21.Qxc3 Bxc3 22.Rab1 Rab8
23.Rb3 Rxb3 24.cxb3 Rb8 25.Rb1 a5 26.Kf2 Rb4 27.Ke2 c4 28.Rc1 cxb3 29.Kd3 Bf6
30.Rb1 b2 31.Bd1 e5 32.Bd2 Nc5+ 33.Ke2 Re4+ 34.Kf3 Rc4 35.g3 e4+ 36.Ke3 Bd4+
37.Ke2 Nd3 38.Kf1 Rc1 39.Rxb2 Rxd1+ 40.Ke2 Nxb2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Anelli, Antonio"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B22"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 d6 5.dxc5 dxc5 6.Bc4 e6 7.Nf3 Be7 8.O-O a6
9.a4 b6 10.Qc2 Bb7 11.Qe4 Nd7 12.Qg4 g6 13.Bh6 Qc7 14.Re1 O-O-O 15.h4 Kb8
16.Nbd2 f5 17.exf6 N7xf6 18.Qxe6 Bd6 19.Bxd5 Nxd5 20.Bg5 Rde8 21.Qxe8+ Rxe8
22.Rxe8+ Ka7 23.Nc4 Bf4 24.Nce5 h6 25.Bd8 Qd6 26.Rd1 Bxe5 27.Nxe5 c4 28.g3 a5
29.Rd4 Ka6 30.f4 Qc5 31.Kh2 Qc8 32.g4 Ne3 33.Kg3 h5 34.Nd7 Nd5 35.Ne5 hxg4
36.Rf8 Ne3 37.Rd6 Nf1+ 38.Kf2 Qc5+ 39.Kxf1 Qxd6 40.Rh8 Qd1+ 41.Kf2 g3+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Foguelman, Alberto"]
[Black "Bronstein, Luis"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D75"]

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.Nc3 O-O 5.g3 d5 6.cxd5 Nxd5 7.Bg2 c5 8.O-O cxd4
9.Nxd4 Nxc3 10.bxc3 Qa5 11.Qb3 Nc6 12.Nxc6 bxc6 13.Bxc6 Be6 14.Qa3 Qxc3 15.Qxc3 Bxc3
16.Bxa8 Bxa1 17.Be3 Be5 18.Be4 a5 19.Rc1 a4 20.Rc5 Bd6 21.Ra5 a3 22.Bc1  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Garcia, H."]
[Black "Puiggros, Guillermo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C43"]

1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.Qh5 O-O 7.O-O Nd7 8.Nxd7 Qxd7
9.Nc3 Nf6 10.Qh4 Be7 11.Re1 Ne4 12.Qh5 Nf6 13.Qe2 c6 14.Bg5 Bd8 15.h3 Qd6
16.Qe5 Qb4 17.a3 Qb6 18.Bf4 Nd7 19.Qe3 Bf6 20.Bd6 Bxd4 21.Qf4 Bf6 22.Bxf8 Nxf8
23.Re8 Bxc3 24.Qd6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Guichon, D."]
[Black "Higer, A."]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E60"]

1.d4 Nf6 2.c4 g6 3.g3 c5 4.d5 d6 5.Bg2 Bg7 6.Nc3 e5 7.dxe6 fxe6 8.Bf4 e5
9.Bd2 Nc6 10.a3 Be6 11.Nd5 Qd7 12.e3 Qf7 13.Nxf6+ Qxf6 14.Qe2 O-O 15.Bd5 Bxd5
16.cxd5 Nb8 17.e4 Nd7 18.Nh3 Qf3 19.Qxf3 Rxf3 20.Be3 Rf7 21.Ke2 Nf6 22.f3 b5
23.Nf2 Rc7 24.Rhc1 Nd7 25.Nd1 a5 26.a4 Rb7 27.Rc2 b4 28.b3 Rf8 29.Nb2 Nb6
30.Nc4 Nxc4 31.Rxc4 Rbf7 32.Rf1  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Held, K."]
[Black "Oliva, L."]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A79"]

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 Bg7 6.Nf3 O-O 7.Be2 e6 8.O-O exd5
9.cxd5 Na6 10.Nd2 Nc7 11.a4 Re8 12.f3 b6 13.Nc4 Ba6 14.Na3 Bxe2 15.Nxe2 a6
16.Nc3 Nh5 17.Qd3 Qh4 18.Ne2 f5 19.exf5 Rxe2 20.Qxe2 Re8 21.g3 Bd4+ 22.Be3 Rxe3
23.gxh4 Rxe2+ 24.Kh1 Nxd5 25.fxg6 hxg6 26.Nc4 Ne3 27.Nxe3 Rxe3 28.Rae1 d5
29.Rxe3 Bxe3 30.Kg2 Kf7 31.Kh3 Ke6 32.Re1 d4 33.Kg4 Nf6+ 34.Kg3 Kf5 35.b3 Nh5+
36.Kg2 Nf4+ 37.Kf1 d3 38.Rxe3 d2 39.Re1 dxe1=Q+ 40.Kxe1 Ng2+ 41.Kd2 Nxh4
42.Kc3 b5 43.axb5 axb5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Incutto, Carlos"]
[Black "Rubinetti, Jorge A"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A79"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Be2 Bg7 8.Nf3 O-O
9.O-O Re8 10.Nd2 Na6 11.f3 Nc7 12.a4 b6 13.Nc4 Ba6 14.Ne3 Bxe2 15.Nxe2 Nd7
16.Qc2 Rb8 17.g4 a6 18.Ng3 b5 19.Kg2 c4 20.axb5 axb5 21.Bd2 Nc5 22.Bc3 f6
23.Ra7 Ra8 24.Rxa8 Qxa8 25.g5 Nd7 26.f4 Rf8 27.Ng4 Ne8 28.h4 Qd8 29.h5 Qe7
30.hxg6 hxg6 31.Rh1 b4 32.Bd4 fxg5 33.Bxg7 Kxg7 34.f5 Ne5 35.fxg6 Nxg4 36.Rh7+ Kg8
37.Rxe7 Ne3+ 38.Kg1 Nxc2 39.Nf5 Rxf5 40.exf5 Nf6 41.Re6 Kg7 42.Re7+ Kg8 43.Re6 Kg7
44.Re7+ Kg8 45.Re6 Kg7  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Letelier, Rene"]
[Black "Cristobal, Ruben"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D36"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 Nbd7 6.cxd5 exd5 7.e3 Be7 8.Qc2 O-O
9.Bd3 Re8 10.O-O h6 11.Bf4 Nf8 12.h3 Bd6 13.Ne5 Qe7 14.Rfe1 Ne6 15.Bg3 Qc7
16.Rac1 a6 17.Qb1 Qb8 18.b4 Ng5 19.Re2 Nh5 20.Bh2 Rf8 21.f4 Ne6 22.g4 Nf6
23.Kh1 Bxe5 24.dxe5 Ne4 25.Nxe4 dxe4 26.Bxe4 Qa7 27.Rg1 Rd8 28.g5 hxg5 29.f5 Nf8
30.Rxg5 a5 31.Qg1  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Pelikan, Jorge"]
[Black "Wexler, Bernardo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B95"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.g4 Be7 8.Be3 h5
9.gxh5 Nxh5 10.Be2 Bg5 11.Bxh5 Bxe3 12.Bxf7+ Kxf7 13.Qf3+ Qf6 14.Qxe3 e5
15.Nf3 Bg4 16.Ng5+ Kg6 17.h4 Qf4 18.Qxf4 exf4 19.f3 Bc8 20.O-O-O Nc6 21.Rxd6+ Kh5
22.Nd5 Rf8 23.c3 Rb8 24.Nh7 Rf7 25.Rg1 Bd7 26.Rdg6 Rh8 27.R1g5+ Kxh4 28.Rg1 Rxh7
29.Rh1+ Bh3 30.Rg4+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Pacheco, V."]
[Black "Hase, Juan C"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D94"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 g6 5.Bxc4 Bg7 6.Nc3 O-O 7.O-O c5 8.d5 Nfd7
9.e4 Nb6 10.Be2 Na6 11.Bg5 Qe8 12.h3 e6 13.d6 f6 14.Be3 Nd7 15.Qb3 b6 16.Bc4 Ndb8
17.Rfd1 Kh8 18.a4 Nb4 19.a5 N8a6 20.Bb5 Qd8 21.Rac1 Bd7 22.Qc4 Nb8 23.Bxd7 Qxd7
24.Nb5 N8a6 25.Nc7 Nxc7 26.dxc7 Qc8 27.Qb5 Qa6 28.Qd7 e5 29.axb6 axb6 30.Rd6 Qb7
31.Re6 Qc8 32.Qxc8 Rfxc8 33.Rxb6 Bf8 34.Rc3 Rxc7 35.Rxb4 cxb4 36.Rxc7 Ra1+
37.Rc1 Ra2 38.Rb1  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Palermo, Vicente"]
[Black "Brond, Victor"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B80"]

1.e4 c5 2.Nc3 Nc6 3.Nf3 e6 4.d4 cxd4 5.Nxd4 Qc7 6.g3 a6 7.Bg2 Nf6 8.O-O Be7
9.Be3 O-O 10.Qe2 d6 11.Rad1 Bd7 12.Nb3 b5 13.a3 Rac8 14.f4 Rfd8 15.g4 Be8
16.g5 Nd7 17.Bh3 b4 18.axb4 Nxb4 19.f5 e5 20.f6 Bf8 21.fxg7 Bxg7 22.Bf5 Rb8
23.Rd2 Nf8 24.Rf3 Bd7 25.Qd1 Bxf5 26.Rxf5 Ng6 27.Nc1 d5 28.exd5 e4 29.Bd4 Nh4
30.Bxg7 Nxf5 31.Bf6 Re8 32.Qg4 Qc5+ 33.Rf2 e3 34.Re2 Ng7 35.Nb3 Qc8 36.Qxc8 Rexc8
37.Nd4 Rxc3 38.bxc3 Nxd5 39.Be5 Rc8 40.Bxg7 Kxg7 41.Nf5+ Kg6 42.Nxe3 Nxc3
43.Rf2 Ne4 44.Rg2 Rd8 45.Kf1 a5 46.Rg4 Nc5 47.Ke2 Ra8 48.Rc4 Ne6 49.Ra4 Nc5
50.Ra3 Kxg5 51.Nc4 a4 52.Rg3+ Kf4 53.Rf3+ Ke4 54.Rxf7 Kd4 55.Na3 Kc3 56.Rxh7 Kb2
57.Rh3 Re8+ 58.Kd1 Rd8+ 59.Ke1 Re8+ 60.Kd1 Rd8+ 61.Ke1 Ne4 62.Nb5  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Panno, Oscar"]
[Black "Leskovar, Mario"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D34"]

1.d4 e6 2.Nf3 c5 3.g3 Nc6 4.Bg2 Nf6 5.O-O Be7 6.c4 d5 7.cxd5 exd5 8.Nc3 O-O
9.b3 Ne4 10.Bb2 Bf6 11.Na4 Re8 12.Rc1 b6 13.dxc5 Bxb2 14.Nxb2 Nxc5 15.Ne1 Bg4
16.Bf3 Ne5 17.Bxg4 Nxg4 18.Nf3 Qf6 19.Nd3 Qh6 20.Nxc5 bxc5 21.Qxd5 Rad8 22.Qxc5 Qh3
23.Rfd1 Rxd1+ 24.Rxd1 h6 25.Rd2 g6 26.Qxa7 Rc8 27.Rd1 Re8 28.Qa6 Kg7 29.Qc4 Re6
30.Rd4 h5 31.Rd7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Vasta, Eduardo"]
[Black "Link, Hugo E"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A60"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.dxe6 fxe6 5.Bg5 Be7 6.Nc3 O-O 7.e4 Nc6 8.Nf3 Ng4
9.Bxe7 Qxe7 10.Be2 d6 11.O-O Nge5 12.Ne1 Nd4 13.f4 Nec6 14.a3 Bd7 15.Rb1 g5
16.Nd3 gxf4 17.Nxf4 Qg5 18.g3 Kh8 19.b4 b6 20.Kh1 Ne5 21.b5 Rf7 22.Bh5 Rf6
23.Nce2 Nxc4 24.Nxd4 Ne3 25.Nf3 Nxf1 26.Nxg5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Pilnik, Herman"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C07"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.Bb5 dxe4 6.Nxe4 cxd4 7.Nxd4 a6 8.Bxc6+ bxc6
9.O-O Bb7 10.Nb3 Qd5 11.Nc3 Qd8 12.Be3 Nf6 13.Na4 Be7 14.Bc5 Bxc5 15.Naxc5 Qc7
16.Nxb7 Qxb7 17.Qd6 Qd7 18.Qc5 Rc8 19.Rfd1 Qe7 20.Qb6 O-O 21.Qxa6 e5 22.a4 e4
23.Qb6 c5 24.Qd6 Qa7 25.a5 Rfe8 26.Nd2 Re6 27.Qg3 c4 28.Nf1 h6 29.Ne3 Rc5
30.Rd8+ Kh7 31.Qb8 Qxb8 32.Rxb8 Ra6 33.h3 Nd5 34.Nxd5 Rxd5 35.Rc8 Rd4 36.Rc5 Kg6
37.Ra4 Rd1+ 38.Kh2 Rd2 39.Raxc4 Rxf2 40.Rxe4 Rd6 41.b4 f5 42.Re3 f4 43.Rf3 Rdd2
44.Rxf2 Rxf2 45.Kg1  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Soria, Alejandro"]
[Black "Paglilla, Carlos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A08"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 Nf6 4.O-O d5 5.d3 e5 6.Nbd2 Be7 7.e4 O-O 8.c3 b6
9.exd5 Nxd5 10.Nc4 f6 11.a4 Bb7 12.Qb3 Kh8 13.Rd1 Nc7 14.Be3 Qe8 15.d4 exd4
16.cxd4 Qh5 17.dxc5 Ne5 18.Nfxe5 Bxg2 19.Nf7+ Qxf7 20.Kxg2 Bxc5 21.Bxc5 bxc5
22.Qd3 Rab8 23.Rac1 Qe6 24.Qd7 Rf7 25.Qd6 f5 26.Re1 Qc8 27.Ne5 Rf6 28.Qxc5 Qb7+
29.Kg1 Na6 30.Qc4 f4 31.Ng4 Rff8 32.Qc6 fxg3 33.hxg3 Qb4 34.Re4 Qxb2 35.Rc2 Qa3
36.Qc3 Qd6 37.Rc4 Qd7 38.Rd4 Rb1+ 39.Kg2 Qe8 40.Rc1 Qa8+ 41.Qc6 Rxc1 42.Qxa8 Rxa8
43.Rd6 Nb4 44.Ne5 Rc7 45.Rd4 a5 46.Rh4 Kg8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Suarez, Osvaldo C"]
[Black "Pina, V."]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A80"]

1.d4 f5 2.Nf3 Nf6 3.Bg5 e6 4.Nbd2 d5 5.e3 Nbd7 6.c4 c6 7.a3 Be7 8.cxd5 exd5
9.Bd3 Ne4 10.Bxe7 Qxe7 11.Nf1 O-O 12.Ng3 f4 13.Ne2 fxe3 14.fxe3 Rxf3 15.gxf3 Qh4+
16.Ng3 Nxg3 17.hxg3 Qxh1+ 18.Kd2 Qxd1+ 19.Rxd1 Nf6 20.g4 h6 21.Bg6 Be6 22.Rg1 Bf7
23.g5 hxg5 24.Rxg5 Bxg6 25.Rxg6 Kf7 26.Rg5 Rh8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "8"]
[White "Vallejos, Oscar"]
[Black "Vidal, Ramon"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B06"]

1.e4 d6 2.d4 g6 3.f4 Bg7 4.Nf3 c5 5.c3 cxd4 6.cxd4 Nf6 7.Nc3 O-O 8.Be2 Nc6
9.Be3 Ng4 10.Bg1 e6 11.h3 Nf6 12.Be3 d5 13.e5 Ne4 14.Nxe4 dxe4 15.Nd2 Nxd4
16.Nxe4 Qa5+ 17.Kf2 Nxe2 18.Qxe2 Bd7 19.b4 Qd5 20.Bc5 Bc6 21.Kf3 f5 22.exf6 Rxf6
23.g3 b6 24.Bd6 Qxd6  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Farah, Rodolfo"]
[Black "Letelier, Rene"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B48"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nc3 e6 6.Be3 a6 7.Bd3 b5 8.Nxc6 Qxc6
9.Qe2 b4 10.Nd1 Nf6 11.f3 d5 12.exd5 Nxd5 13.O-O Bb7 14.Kh1 Bc5 15.Bxc5 Qxc5
16.Qe5 O-O 17.c4 bxc3 18.Nxc3 Rfd8 19.Rfe1  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Brond, Victor"]
[Black "Anelli, Antonio"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E61"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.Bg5 h6 6.Bh4 d6 7.e3 c5 8.h3 cxd4
9.Nxd4 Nc6 10.Be2 Bd7 11.O-O a6 12.Qd2 Rb8 13.a4 g5 14.Bg3 Rc8 15.b3 Qb6
16.Ra3 Na5 17.Rb1 Rfd8 18.f3 e6 19.Be1 Nc6 20.Bf2 Be8 21.b4 Ne5 22.e4  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Bronstein, Luis"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A30"]

1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.O-O c5 6.Nc3 Nc6 7.b3 Be7 8.Bb2 O-O
9.Rc1 a6 10.e3 b5 11.d4 bxc4 12.bxc4 cxd4 13.exd4 Na5 14.Qe2 Rc8 15.c5 d6
16.Na4 Rb8 17.Bc3 Nd5 18.Bd2 Nc6 19.cxd6 Qxd6 20.Nc5 Bc8 21.Ne4 Qd7 22.Nc5 Qd6  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Casas, Fernando"]
[Black "Cuasnicu, Oscar"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A45"]

1.d4 Nf6 2.Bg5 c5 3.Bxf6 gxf6 4.d5 d6 5.c4 Bg7 6.Nc3 f5 7.e3 O-O 8.Bd3 e5
9.Qh5 e4 10.Bc2 Na6 11.Nge2 Nc7 12.g4 fxg4 13.Nxe4 f5 14.h3 fxe4 15.hxg4 h6
16.f4 exf3 17.Qg6 f2+ 18.Kd2 Qf6 19.Qh7+ Kf7 20.Raf1 Rh8 21.Qe4 Re8 22.Qh7 Bxg4
23.Bg6+ Kf8 24.Rh2 Rxe3 25.Kxe3 Qf3+ 26.Kd2 Qxe2+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Chiocchi, A."]
[Black "Guichon, D."]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C10"]

1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bd3 b6 8.O-O Bb7
9.Qe2 Bd6 10.Bg5 h6 11.Bh4 O-O 12.Ne5 Be7 13.c3 Nd7 14.Bg3 Nxe5 15.dxe5 c5
16.Rad1 Qc7 17.Bf4 Rfd8 18.Qe3 Bf8 19.Qg3 Kh8 20.Rfe1 Rd7 21.Bc1 Rad8 22.Bc2 Rxd1
23.Bxd1 Be4 24.Qh4 Bd3 25.Bh5 Rd5 26.Qf4 f6 27.Bg4 f5 28.h4 Rd8 29.Bh3 c4
30.g4 fxg4 31.Bxg4 Bc5 32.Be3 Rf8 33.Qg3 Bxe3 34.Rxe3 Qe7 35.Rf3 Rxf3 36.Bxf3 b5
37.Bg4 b4 38.cxb4 Qxb4 39.Qf4 Qe1+ 40.Kh2 Be4 41.Qf8+ Kh7 42.f3 Qxh4+ 43.Bh3 Qf2+
44.Bg2 Qh4+ 45.Kg1 Bf5 46.Qc5 Qf4 47.Qb4 Qxe5 48.Qxc4 Qxb2 49.Qa6 Qd4+ 50.Kh2 h5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Wexler, Bernardo"]
[Black "Intini, V."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E69"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.c4 d6 5.d4 O-O 6.O-O c6 7.Nc3 Nbd7 8.e4 e5
9.h3 exd4 10.Nxd4 Re8 11.Be3 Nc5 12.Qc2 Bd7 13.Rfe1 Rc8 14.Rad1 Qc7 15.b4 Ne6
16.Nde2 b5 17.cxb5 cxb5 18.Qd3 a6 19.a3 Bf8 20.f4 Bc6 21.g4 Qb7 22.Ng3 Nd7
23.Re2 Nb6 24.f5 Nc7 25.Nd5 Bxd5 26.exd5 Nc4 27.Bd4 Bh6 28.Ne4 Bg7 29.Bxg7 Kxg7
30.Qd4+ Re5 31.Nxd6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Hase, Juan C"]
[Black "Silva Nazzari, Roberto"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B05"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.h3 Bxf3 6.Qxf3 dxe5 7.dxe5 e6 8.Bc4 c6
9.O-O Nd7 10.Qe2 Qc7 11.Re1 Be7 12.c3 O-O 13.Bb3 Rfe8 14.Bc2 Nf8 15.a3 b5
16.c4 bxc4 17.Qxc4 Ng6 18.Qe4 Kh8 19.Nd2 f5 20.exf6 Bxf6 21.Nf3 c5 22.h4 Rab8
23.Ng5 Bxg5 24.Bxg5 Qf7 25.Rab1 Rb6 26.Bd2 Reb8 27.b4 cxb4 28.axb4 Qf6 29.h5 Nf8
30.Rb3 Qf7 31.h6 Ng6 32.Rf3 Qe7 33.Qd4 Rd8 34.Bxg6 hxg6 35.Bg5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Incutto, Carlos"]
[Black "Vasta, Eduardo"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D25"]

1.d4 d5 2.Nf3 Nf6 3.c4 dxc4 4.e3 Bg4 5.Bxc4 e6 6.Qb3 Bxf3 7.gxf3 c5 8.Qxb7 Nbd7
9.Nc3 cxd4 10.exd4 Rb8 11.Qxa7 Bd6 12.Be2 O-O 13.Qa6  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Link, Hugo E"]
[Black "Pleci, Isaias"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C21"]

1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Nxc3 d6 5.Bc4 Be6 6.Bxe6 fxe6 7.Qb3 Qc8 8.Nf3 Nc6
9.Be3 Be7 10.Rc1 Bf6 11.Ng5 Bxg5 12.Bxg5 Nf6 13.O-O O-O 14.f4 Kh8 15.e5 Ng8
16.exd6 cxd6 17.Ne4 h6 18.Nxd6 Qb8 19.Nc4 Nd4 20.Qd3 hxg5 21.fxg5 Rf5 22.Qxd4 Qd8
23.Qh4+ Nh6 24.Rxf5 exf5 25.Ne5 Kh7 26.Qf4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D66"]

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 Nbd7 6.e3 O-O 7.Rc1 c6 8.Bd3 h6
9.Bh4 dxc4 10.Bxc4 b5 11.Bd3 a6 12.a4 bxa4 13.Nxa4 Qa5+ 14.Nd2 Bb4 15.Nc3 c5
16.Nb3 Qd8 17.dxc5 Nxc5 18.Nxc5 Bxc5 19.O-O Bb7 20.Qe2 Be7 21.Rfd1 Qb6 22.Na4 Qa5
23.Bxf6 Bxf6 24.Nc5 Bc8 25.Qf3 Rb8 26.Qe4 Rd8 27.b3 Kf8 28.Rc4 Rb6 29.h3 Rbd6
30.Rdc1 Bb2 31.Rb1 Bf6 32.Rc2 Rd5 33.b4 Qb6 34.Rbc1 Qb8 35.g3 Be7 36.Be2 Kg8
37.Ra2 Qc7 38.Rac2 Qb8 39.h4 Qd6 40.Bf3 Rd2 41.Rxd2 Qxd2 42.Rd1 Qc3 43.Rxd8+ Bxd8
44.Qc6 Be7 45.Qxc8+ Kh7 46.Be4+ g6 47.Qe8 Qf6 48.Nd7 Qa1+ 49.Kh2  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Oliva, L."]
[Black "Luckis, Marcos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E29"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 O-O 7.Bd3 d6 8.Ne2 Nc6
9.O-O b6 10.Ng3 Ba6 11.d5 Ne5 12.Qa4 Qc8 13.Be2 exd5 14.cxd5 Bxe2 15.Nxe2 a6
16.e4 b5 17.Qc2 Nc4 18.Ng3 Re8 19.f3 Nd7 20.Bf4 Nde5 21.Nf5 Qd7 22.Rfd1 Ng6
23.Bg3 Ne7 24.Nxe7+ Rxe7 25.Bf4 Rf8 26.Qf2 f5 27.e5 Nxe5 28.a4 Rfe8 29.axb5 axb5
30.Bg5 Rf7 31.Bf4 h6 32.Qg3 Kh7 33.Ra6 Rfe7 34.Bxe5 Rxe5 35.Raa1 Qf7 36.Rab1 Rxd5
37.h4 f4 38.Qf2 c4 39.Qc2+ Kh8 40.Rxd5 Qxd5 41.Qg6 Re6 42.Qg4 Rf6 43.h5 Rf5
44.Re1 Qc5+ 45.Kf1 Rxh5 46.Re8+ Kh7 47.Qxf4 Re5 48.Rd8 Qd5 49.g4 Qd1+ 50.Kg2 Re2+
51.Kg3  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Paglilla, Carlos"]
[Black "Pacheco, V."]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B86"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.O-O Be7 8.Bb3 O-O
9.f4 Qc7 10.f5 e5 11.Nde2 b5 12.Nd5 Qd8 13.Nxf6+ Bxf6 14.Bd5 Qb6+ 15.Kh1 Bb7
16.Bxb7 Qxb7 17.Nc3 b4 18.Nd5 Nd7 19.Qg4 Kh8 20.Rf3 Qb5 21.Bd2 Qe2 22.Bxb4 Rfc8
23.Re1 Qxc2 24.Rg3 Rg8 25.Rh3 h6 26.Rh5 Qxb2 27.Re3 Rac8 28.h3 Rc1+ 29.Kh2 Qf2
30.Qe2 Qg1+ 31.Kg3 Rgc8 32.Bc3 Rc6 33.Qd2 Bg5 34.Rxg5 hxg5 35.Qe2 Qd1 36.Qb2 Rb1
37.Qa3 Nc5 38.Nb4 Rc8 39.Re1 Nxe4+ 40.Rxe4 a5 41.Be1 axb4 42.Qa6 Qc2 43.Re2 Qc4
44.Qb7 Qf4+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Passinetti, L."]
[Black "Suarez, Osvaldo C"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E72"]

1.d4 Nf6 2.c4 d6 3.Nc3 g6 4.e4 Nbd7 5.g3 e5 6.d5 Bg7 7.Bg2 O-O 8.Nge2 a5
9.a4 Ne8 10.O-O Nc5 11.f4 f5 12.Be3 b6 13.Qc2 Nf6 14.Bxc5 bxc5 15.fxe5 dxe5
16.Rad1 Bh6 17.Qd3 Ng4 18.Rf3 fxe4 19.Rxf8+ Qxf8 20.Nxe4 Be3+ 21.Kh1 Qh6
22.h3 Bf5 23.Rf1 Nf2+ 24.Rxf2 Bxf2 25.Kh2 Qe3 26.Qc2 Rb8 27.b3 Bxe4 28.Bxe4 Rxb3
29.Bg2 Rd3 30.Nc3 Bxg3+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Puiggros, Guillermo"]
[Black "Steinbaum, Fernando"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B60"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.Bxf6 gxf6 8.Bc4 Qa5
9.Bb5 a6 10.Nb3 Qd8 11.Be2 f5 12.O-O Bg7 13.exf5 Bxf5 14.Qd2 O-O 15.Rad1 Qd7
16.Nd5 Rad8 17.Ne3 Bg6 18.f4 f5 19.g4 fxg4 20.Bxg4 Qe8 21.c3 Kh8 22.Qe2 Bh6
23.Ng2 Bf5 24.Bf3 Qg6 25.Kh1 Qe6 26.Qxe6 Bxe6 27.Rfe1 Rf6 28.Nd4 Nxd4 29.Rxd4 b6
30.c4 Bf8 31.b3 Bf5 32.Ne3 Bc8 33.Bg2 e6 34.Red1 Rd7 35.f5 Bb7 36.fxe6 Bxg2+
37.Nxg2 Rxe6 38.Nf4 Rh6 39.Re4 Re7 40.Rxe7 Bxe7 41.Nd5 Bd8 42.Re1 Rg6 43.Re8+ Rg8
44.Re6 Rg6 45.Rxg6 hxg6 46.Kg2 Kg7 47.Kf3 Kf7 48.Ke4 b5 49.cxb5 axb5 50.b4 Bf6
51.Nxf6 Kxf6 52.Kd5 Ke7 53.Kc6 Ke6 54.Kxb5 Ke5 55.a4 d5 56.a5 d4 57.Kc4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Rossetto, Hector"]
[Black "Ocampo, Raul"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A62"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 g6 6.Nc3 d6 7.Bg2 Bg7 8.Nf3 O-O
9.O-O Na6 10.Bf4 Re8 11.Nd2 Nh5 12.Be3 Nc7 13.a4 b6 14.Nc4 Ba6 15.Na3 Nf6
16.Bg5 h6 17.Bf4 Ng4 18.Re1 Ne5 19.Qc2 Qd7 20.h3 b5 21.axb5 Bxb5 22.Bd2 Ba6
23.b3 Qe7 24.f4 Nd7 25.e4 Rab8 26.Nc4 Bxc4 27.bxc4 a6 28.Rab1 Na8 29.Ne2 Nab6
30.Ba5 h5 31.h4 Na8 32.Rxb8 Rxb8 33.Rb1 Qe8 34.Nc1 Rxb1 35.Qxb1 Ndb6 36.Qb3 Qa4
37.Qxa4 Nxa4 38.e5 dxe5 39.d6 N8b6 40.Bc6 exf4 41.gxf4 Bf6 42.d7 Bxh4 43.Bxa4 Nxa4
44.Nd3 Kf8 45.Kg2 Be7 46.Kf3 f6 47.f5 gxf5 48.Nf4 Kf7 49.Nd5 Ke6 50.Nxe7 Kxd7
51.Nxf5 Ke6 52.Ng7+ Kf7 53.Nf5 Ke6 54.Ne3 h4 55.Bc7 Nb2 56.Kg4 a5 57.Bxa5 Ke5  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Rubinetti, Jorge A"]
[Black "Garcia, H."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A36"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 g6 4.O-O Bg7 5.c4 e6 6.Nc3 Nge7 7.e3 O-O 8.d4 cxd4
9.Nxd4 d5 10.cxd5 exd5 11.Nxc6 bxc6 12.Qa4 Re8 13.Rd1 Qb6 14.Nxd5 Nxd5 15.Bxd5 Rd8
16.Bf3 Bf5 17.e4 Be6 18.Bg5 Rxd1+ 19.Rxd1 Qxb2 20.Qxc6 Rc8 21.Qxc8+ Bxc8
22.Rd8+ Bf8 23.Bh6 Qb1+ 24.Kg2 Bh3+ 25.Kxh3 Qf1+ 26.Bg2  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Schweber, Samuel"]
[Black "Foguelman, Alberto"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B10"]

1.e4 c6 2.d3 d5 3.Nd2 e5 4.Ngf3 Bd6 5.g3 Nf6 6.Bg2 O-O 7.O-O Qc7 8.c3 Nbd7
9.Qc2 dxe4 10.dxe4 b6 11.Nc4 Ba6 12.Nfd2 Rfd8 13.Re1 Bf8 14.b4 c5 15.Qb3 cxb4
16.cxb4 Rac8 17.Bf1 Nb8 18.b5 Bb7 19.Bb2 Nbd7 20.Qf3 Re8 21.Qf5 g6 22.Qf3 Bg7
23.Qe3 Nc5 24.f3 Rcd8 25.a4 Nfd7 26.Nb3  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Seidler, A."]
[Black "Amillano, J."]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C14"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 a6 8.Nf3 b5
9.Qd2 Nb6 10.a4 b4 11.Nd1 a5 12.Bd3 c5 13.dxc5 Qxc5 14.b3 Nc6 15.Nf2 Bd7
16.O-O Rc8 17.Kh1 Qc3 18.Qe3 d4 19.Qc1 Qc5 20.Ne4 Qd5 21.Nd6+ Ke7 22.Nxc8+ Bxc8
23.Qe1 Qc5 24.Qh4+ Ke8 25.Nd2 Qe7 26.Qg3 f5 27.exf6 gxf6 28.Bb5 Bd7 29.Qf3 Nd5
30.Rae1 Kd8 31.Nc4 Kc7 32.f5 Ne3 33.Nxe3 dxe3 34.fxe6 Qxe6 35.Rxe3 Qd6 36.Qxf6 Qxf6
37.Rxf6 Re8 38.Rxe8 Bxe8 39.h4 Bd7 40.h5 Nd4 41.Bxd7 Kxd7 42.Rf7+ Kd6 43.Rxh7 Nxc2
44.Ra7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Szmetan, Ricardo"]
[Black "Silva Nazzari, Hector"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B36"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Nf6 6.Nc3 Nxd4 7.Qxd4 d6 8.Be3 Bg7
9.f3 O-O 10.Qd2 Qa5 11.Rc1 Be6 12.Nd5 Qxd2+ 13.Kxd2 Bxd5 14.cxd5 Rfc8 15.Rxc8+ Rxc8
16.g3 b6 17.Bh3 Rc7 18.Rc1 Ne8 19.b4 Rxc1 20.Kxc1 Nc7 21.Kc2 e6 22.dxe6 fxe6
23.a4 Kf7 24.a5 bxa5 25.bxa5 Nb5 26.Kd3 Ke7 27.f4 Bc3 28.a6 Ba5 29.Kc4 Nc7
30.Bf1 d5+ 31.exd5 exd5+ 32.Kb3 Bb6 33.Bxb6 axb6 34.a7 Kd6 35.Bb5 Na8 36.Ka4 Kc7
37.Ba6 Kc6 38.g4 Nc7 39.f5 gxf5 40.gxf5 Kd6 41.Bc8 Ke5 42.Kb3 Na8 43.Kc3 Nc7
44.Kd3 Kf6 45.Ke3 Ke5 46.Kf3 h5 47.Kg3 d4 48.Kf3 Na8 49.Bb7 Nc7 50.Be4 b5
51.Bd3  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1972.??.??"]
[Round "9"]
[White "Vidal, Ramon"]
[Black "Szmetan, Jorge"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E72"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 d6 6.e4 Nc6 7.Nge2 e5 8.O-O Re8
9.d5 Nd4 10.h3 c5 11.dxc6 bxc6 12.Be3 c5 13.Kh2 Rb8 14.b3 Nd7 15.Nb5 Nxb5
16.cxb5 Nf8 17.a4 a6 18.Nc3 Ne6 19.Qd2 Nd4 20.b4 Nb3 21.Qb2 Nxa1 22.Rxa1 axb5
23.axb5 Bf8 24.bxc5 dxc5 25.Bf1 Be6 26.Rd1 Qc7 27.Nd5 Bxd5 28.Rxd5 c4 29.b6 Qc6
30.Qc3 Rec8 31.Kg2 f6 32.Be2 Kh8 33.g4 g5 34.h4 gxh4 35.Bf3 h6 36.Rd1 Bc5
37.Qxc4 Bxe3 38.Rd8+ Rxd8 39.Qxc6 Rxb6 40.Qc7 Rd2 41.Kh3 Rxf2 42.Qd8+ Kg7
43.Qe7+  1/2-1/2
