[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Borghi, Humberto"]
[Black "Incutto, Carlos"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B72"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Bc4 Bg7 7.Be3 O-O 8.Bb3 Ng4
9.Qd2 Nxe3 10.Qxe3 Qb6 11.O-O-O Nc6 12.Nce2 Bg4 13.f3 Bd7 14.c3 Na5 15.Rd3 e5
16.Nc2 Bb5 17.Qxb6 axb6 18.c4 Nxc4 19.Rd5 Ba6 20.Nb4 Bh6+ 21.f4 Ne3 22.Nxa6 Nxd5
23.Bxd5 Rxa6 24.Bxb7 Rxa2 25.Kc2 exf4 26.Rd1 Bg7 27.Nd4 Ra7 28.Bd5 Rc8+ 29.Kb3 Rc5
30.Nc6 Rc7 31.Nd8 Rb5+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Aguirre, Alb"]
[Black "Casas, Fernando"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B34"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 d5
9.exd5 Nxd5 10.Nxc6 bxc6 11.Nxd5 cxd5 12.c3 e5 13.Be2 d4 14.cxd4 exd4 15.Bf2 Qb6
16.O-O Be6 17.b3 a5 18.Rac1 Qb4 19.Qf4 a4 20.Bc4 axb3 21.axb3 Bxc4 22.bxc4 Qc5
23.Rfd1 Rfd8 24.Qe4 Ra2 25.Rc2 Rxc2 26.Qxc2 Rc8 27.Rc1 Bh6 28.Rd1 Qxc4 29.Qxc4 Rxc4
30.Bxd4 Rxd4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Anelli, Antonio"]
[Black "Buscio, Jorge"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E43"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 O-O 7.O-O c5 8.Na4 cxd4
9.a3 Be7 10.exd4 Qc7 11.b4 d6 12.Bb2 Nbd7 13.Re1 Rfe8 14.Nc3 Nf8 15.Rc1 Rac8
16.Ne4 Ng6 17.Nfg5 Nf4 18.Nxf6+ Bxf6 19.Nxh7 Nxg2 20.Nxf6+ gxf6 21.d5 Nxe1
22.Bxf6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Berguier, Jorge"]
[Black "Trois, Francisco RT"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A24"]

1.c4 g6 2.Nc3 Bg7 3.g3 Nf6 4.Bg2 O-O 5.Nf3 c6 6.O-O d6 7.d3 e5 8.Bg5 h6 9.Bd2 Re8
10.Qc2 d5 11.e4 dxc4 12.dxc4 Nbd7 13.Rad1 Qe7 14.b4 Nf8 15.Ne2 N6h7 16.Qc1 Ng5
17.Nxg5 hxg5 18.a3 g4 19.Bg5 Qc7 20.Be3 Be6 21.Rd2 Red8 22.Rfd1 Rxd2 23.Rxd2 a5
24.c5 axb4 25.axb4 Ra4 26.Qb2 Ra2 27.Qc1 Ra4 28.Qb2 Ra2 29.Qc1 Rxd2 30.Qxd2 Qd7
31.Qxd7 Nxd7 32.Nc1 Kf8 33.Kf1 Bc4+ 34.Ke1 Ke7 35.Kd2 f5 36.exf5 gxf5 37.h3 Ke6
38.hxg4 fxg4 39.Be4 Nf6 40.Bd3 Bxd3 41.Kxd3 Kd5 42.Ne2 Ne4 43.Nc1 Nf6 44.Ne2 Ne4
45.Nc1 Nf6 46.Ne2 e4+ 47.Kc3 Nd7+ 48.Kb3 Be5 49.Nf4+ Bxf4 50.Bxf4 Kd4 51.Be3+ Kd3
52.Bg5 Ne5 53.Bf4 Nf3 54.Ka4 Kc4 55.Ka5 Nd4 56.Be3 Nc2 57.Kb6 Nxe3 58.fxe3 Kxb4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Branca, Carlos"]
[Black "Vidal, Ramon"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A16"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O Nc6 7.d3 Bf5 8.Bd2 Qc8
9.Qc1 Re8 10.Re1 e5 11.Ng5 Rb8 12.Nge4 Nxe4 13.Nxe4 Nd4 14.Rb1 Bg4 15.f3 Bh3
16.Bh6 Bh8 17.Qg5 Bxg2 18.Kxg2 Qe6 19.Qd2 Rbd8 20.Rbc1 c6 21.Be3 Re7 22.Bf2 Bg7
23.Nc3 f6 24.e3 Nf5 25.g4 Nh6 26.e4 Rf8 27.Be3 Nf7 28.h4 f5 29.exf5 gxf5
30.g5 Qg6 31.Rh1 Qh5 32.Rcg1 e4 33.Rf1 f4 34.Bxf4 exf3+ 35.Rxf3 Ne5 36.Rg3 Ref7
37.Rf1 Ng6 38.Ne4 Nxf4+ 39.Rxf4 Rxf4 40.Nf6+ Bxf6 41.gxf6+ Rg4 42.Qf2 Qxh4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Cilurzo, Miguel"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B57"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Qb6 7.Nxc6 bxc6 8.Be2 e5
9.O-O Be7 10.Rb1 O-O 11.Be3 Qc7 12.Kh1 Be6 13.f3 d5 14.exd5 cxd5 15.Bf2 d4
16.Nb5 Qb7 17.a4 Rfd8 18.Bg3 Nd5 19.Qd2 Bb4 20.c3 dxc3 21.Nxc3 Nxc3 22.Qc2 Nxb1
23.Qxb1 Rac8 24.Bxe5 Qd5 25.Bf4 Bf5 26.Qd1 Qe6  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Garcia, Raimundo"]
[Black "Paolini, Claudio"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E61"]

1.c4 g6 2.Nc3 c5 3.Nf3 Bg7 4.e3 Nf6 5.d4 O-O 6.Be2 d6 7.O-O Bf5 8.b3 Nc6
9.Bb2 a6 10.dxc5 dxc5 11.Na4 Nd7 12.Bxg7 Kxg7 13.Qd2 Qc7 14.Rfd1 Rad8 15.Qb2+ Kg8
16.Rd2 e5 17.Rad1 e4 18.Ne1 Rfe8 19.Nc2 Qe5 20.Qxe5 Rxe5 21.Nb6 Nxb6 22.Rxd8+ Nxd8
23.Rxd8+ Kg7 24.Kf1 Re7 25.Ke1 Rd7 26.Rb8 h5 27.Na3 Re7 28.Nb1 Be6 29.Nc3 Bg4
30.h4 Kf6 31.Bxg4 hxg4 32.Rd8 Ke5 33.Nd5 Re6 34.Nxb6 Rxb6 35.Rd5+ Ke6 36.Rxc5 Rd6
37.Rg5 b6 38.Rxg4 Ke5 39.Rg5+ f5 40.h5 gxh5 41.Rxh5 Rg6 42.g3 Ke6 43.Rh7 Kd6
44.Rf7 Rg5 45.Kd2 Kc5 46.Kc3 a5 47.a3 Rh5 48.Rf6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Letelier, Rene"]
[Black "Mendez, Alberto"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A45"]

1.g3 Nf6 2.Bg2 g6 3.e4 d6 4.d4 Bg7 5.Ne2 O-O 6.O-O Nfd7 7.Nbc3 c5 8.Bg5 h6
9.Be3 Nc6 10.dxc5 Nxc5 11.Qd2 Kh7 12.Rad1 Be6 13.Nd5 Ne5 14.b3 Bh3 15.f3 Bxg2
16.Kxg2 a6 17.Bd4 Rc8 18.Qe3 e6 19.Ndc3 Qc7 20.h3 b5 21.f4 Nc6 22.Bxg7 Kxg7
23.Rd2 Kh7 24.e5 Nb7 25.Ne4 dxe5 26.Nf6+ Kg7 27.Rd7 Qb8 28.Ng4 h5 29.f5 hxg4
30.f6+ Kh7 31.Qg5 gxh3+ 32.Kh1 Nd6 33.Qh4+ Kg8 34.Qxh3 Ne8 35.Rf2 Nd4 36.Nxd4 Qa8+
37.Nf3 e4 38.Rh2  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Lococo, Guillermo"]
[Black "Rossetto, Hector"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E61"]

1.c4 Nf6 2.Nc3 g6 3.d4 c5 4.d5 e6 5.dxe6 fxe6 6.Bg5 Bg7 7.Qd6 Qe7 8.Nb5 Qxd6
9.Nxd6+ Ke7 10.O-O-O Nc6 11.Nf3 Rf8 12.g3 h6 13.Bxf6+ Bxf6 14.Bg2 g5 15.h3 Nd4
16.Nxd4 Bxd4 17.Nxc8+ Raxc8 18.Rhf1 Rxf2 19.Rxf2 Bxf2 20.Bxb7 Rb8 21.Rf1 Be3+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Reinhardt, Enrique Heinrich"]
[Black "Agnolin Diaz, Antonio"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C02"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Be2 Nge7 7.dxc5 Qc7 8.Bf4 Ng6
9.Bg3 Bxc5 10.Bb5 Qb6 11.Qe2 a6 12.Bd3 Bd7 13.O-O Be7 14.b4 Rc8 15.a3 O-O
16.Nbd2 Na7 17.c4 dxc4 18.Nxc4 Qc7 19.h4 Rfd8 20.h5 Nf8 21.Nd6 Ra8 22.Rfc1 Qb8
23.h6 Nc8 24.hxg7 Ng6 25.Ne4 Kxg7 26.Nf6 Bc6 27.Be4 Bxe4 28.Qxe4 Na7 29.Nh2 Nc6
30.Nhg4 Nd4 31.Nh5+ Kg8 32.Nh6+ Kf8 33.Rc4 Nc6 34.f4 Qc8 35.Rf1 Qd7 36.f5 exf5
37.Rxf5 Qd1+ 38.Kh2 Nh8 39.Rf3 Ng6 40.Rxf7+ Ke8 41.Nf6+ Bxf6 42.exf6+ Nge5
43.Re7+ Nxe7 44.Qxe5 Rd7 45.f7+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "1"]
[White "Schmid, Lothar"]
[Black "Corenstein, Ruben"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B38"]

1.e4 c5 2.Ne2 d6 3.c4 Nf6 4.Nbc3 Nc6 5.d4 cxd4 6.Nxd4 g6 7.f3 Bg7 8.Be3 O-O
9.Qd2 Bd7 10.Be2 Rc8 11.O-O Ne5 12.b3 Re8 13.Nd5 Bc6 14.Rad1 Bxd5 15.exd5 a6
16.Kh1 h5 17.h3 Kh7 18.f4 Ne4 19.Qe1 Nd7 20.f5 Bxd4 21.Bxd4 Kh6 22.fxg6 fxg6
23.Rf7 Ndf6 24.Bd3 Ng5 25.Qe3 Rf8 26.Rxe7 Rf7 27.Re6 Re7 28.Rxe7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "2"]
[White "Carames, Luis"]
[Black "Aranda Gonzales, Jose"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C94"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.Re1 d6 8.c3 O-O
9.h3 Nb8 10.d3 Nbd7 11.Be3 Bb7 12.Nbd2 c5 13.Bg5 h6 14.Bh4 Re8 15.g4 Nh7
16.Bg3 Ndf8 17.Nf1 Ng5 18.h4 Nge6 19.Ne3 Ng6 20.Nf5 Bf6 21.Qd2 Ngf4 22.Kh2 Qc7
23.d4 c4 24.Bc2 Ng6 25.d5 Nc5 26.g5 hxg5 27.hxg5 Bd8 28.Kg2 f6 29.Rh1 Kf7
30.Rh7 Rg8 31.Nh6+ Kf8 32.Nxg8 Kxg8 33.Rah1 fxg5 34.Nxg5 Qe7 35.R1h5 Bc8
36.Qe2 Nd3 37.Rh8+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "2"]
[White "Wernik, Ruben"]
[Black "Reinhardt, Enrique Heinrich"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B09"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 7.Be3 Ng4 8.Bg1 e5
9.d5 Nd4 10.h3 Nxf3+ 11.Qxf3 Nf6 12.fxe5 dxe5 13.Bc5 Re8 14.O-O b6 15.Be3 h6
16.Bxh6 Bxh6 17.Qxf6 Be3+ 18.Kh1 Qxf6 19.Rxf6 Bd7 20.Raf1 Bf4 21.Bb5 Re7
22.Bc6 Rd8 23.d6 cxd6 24.Nd5 Re6 25.Bxd7 Rxf6 26.Nxf6+ Kg7 27.Ba4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "2"]
[White "Fernandez, Roman"]
[Black "Schmid, Lothar"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A20"]

1.c4 e5 2.g3 c6 3.Bg2 d5 4.cxd5 cxd5 5.Nf3 Nc6 6.d3 Nf6 7.O-O Be7 8.Nc3 d4
9.Nb1 O-O 10.Bg5 Be6 11.Nbd2 Rc8 12.Nc4 h6 13.Bd2 Bxc4 14.dxc4 e4 15.Ne1 Re8
16.a3 a5 17.Rc1 Qb6 18.b4 axb4 19.axb4 Bxb4 20.Bxb4 Qxb4 21.Rb1 Qxc4 22.Rxb7 Na5
23.Rb2 Nd5 24.Nc2 Nc3 25.Qd2 Nxe2+ 26.Kh1 d3 27.Ne3 Qc3 28.Rd1 Nc4 29.Nxc4 Rxc4
30.Bf1 Nd4 31.Kg2 f5 32.h4 Rec8 33.Bxd3 exd3 34.Qxc3 Rxc3 35.Rbd2 Nc2 36.Kf3 R8c4
37.h5 Kf7 38.Rb1 Re4 39.Kg2 Re2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "2"]
[White "Gorini, Carlos"]
[Black "Marcussi, Bartolome"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B59"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nb3 Be7 8.Be3 Be6
9.O-O O-O 10.Qd2 a5 11.Rad1 a4 12.Nc1 a3 13.b3 Qa5 14.f3 Rac8 15.Nd5 Bxd5
16.exd5 Qxd2 17.Rxd2 Nb4 18.c4 Nd7 19.Nd3 Nxd3 20.Bxd3 f5 21.Re2 Bd8 22.g4 e4
23.fxe4 Ne5 24.Bb1 fxg4 25.Rxf8+ Kxf8 26.Kg2 Bf6 27.Bf4 Ke7 28.Bxe5 Bxe5
29.Rf2 h5 30.Bd3 h4 31.Rf1 Rh8 32.h3 gxh3+ 33.Kxh3 g5 34.Be2 b6 35.Rf5 Bf4
36.Bg4 Rh6 37.Bf3 Rh8 38.Bg4 Rf8 39.Bd1 Rc8 40.Bg4 Rc5 41.Be2 b5 42.Kg4 bxc4
43.Bxc4 Rc8 44.Kh3 Rb8 45.Kg4 h3 46.Kxh3 Rh8+ 47.Kg4 Rh2 48.b4 Rc2 49.Bb3 Rb2
50.e5 dxe5 51.d6+ Kxd6 52.Rf6+ Kc7 53.Ra6 e4 54.Rxa3 e3 55.Ra7+ Kd6 56.Kf5 e2
57.Ra6+ Kc7 58.Re6 Bg3  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "2"]
[White "Rodriguez Vargas, Orestes"]
[Black "Garcia, Raimundo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B33"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Bxf6 gxf6
9.Na3 d5 10.Nxd5 Bxa3 11.bxa3 Be6 12.Bc4 Qa5+ 13.Qd2 Qxd2+ 14.Kxd2 O-O-O
15.Kc3 f5 16.Rad1 fxe4 17.Nf6 Bxc4 18.Kxc4 Nd4 19.c3 Rd6 20.Nxe4 Rc6+ 21.Kd3 Nb5
22.a4 Rd8+ 23.Kc2 Nd4+ 24.Kb2 Rb6+ 25.Kc1 Ne2+ 26.Kc2 f5 27.Rxd8+ Kxd8 28.Ng5 Rg6
29.Nf7+ Kc8 30.Re1 Nxc3 31.Kxc3 Rxg2 32.Re2 Rxh2 33.Nxe5 h5 34.Nd3  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "2"]
[White "Rossetto, Hector"]
[Black "Sampaolesi, Nestor"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A22"]

1.g3 d5 2.Bg2 e5 3.c4 Nf6 4.cxd5 Nxd5 5.Nc3 Nb4 6.a3 N4c6 7.Nf3 Bd6 8.O-O Nd7
9.d3 O-O 10.b4 a5 11.b5 Ne7 12.Ne4 Nc5 13.Nxd6 cxd6 14.d4 exd4 15.Nxd4 d5
16.Qc2 b6 17.Rd1 Bd7 18.Bb2 Rc8 19.Rac1 a4 20.Qd2 f5 21.e3 Qe8 22.Qb4 Kh8
23.Bf1 Qf7 24.Ne2 Rfe8 25.Bg2 Ne4 26.Nf4 Be6 27.Qxa4 Ng6 28.Nxe6 Rxc1 29.Rxc1 Qxe6
30.Qd4 Nf6 31.Rc6 Qd7 32.Rxf6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "2"]
[White "Sainz, Tripaga"]
[Black "Garcia, Horacio"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B19"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7
9.Bd3 Bxd3 10.Qxd3 Ngf6 11.Bd2 e6 12.O-O-O Qc7 13.Qe2 Bd6 14.Nf5 O-O-O 15.Nxd6+ Qxd6
16.Ne5 Qe7 17.Nxc6 bxc6 18.Qa6+ Kb8 19.Bf4+ e5 20.dxe5 Nxe5 21.Qxc6 Ng4 22.Rxd8+ Rxd8
23.Rh3 Rd1+ 24.Kxd1 Nxf2+ 25.Kc1 Nxh3 26.Qb5+ Kc8 27.Qxe5 Qxe5 28.Bxe5 Nf2
29.Bxg7 Ng4 30.Kd2 Kd7 31.Bd4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "2"]
[White "Silva Nazzari, Hector"]
[Black "Benko, Francisco"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A16"]

1.c4 Nf6 2.Nc3 c6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 exf6 7.d4 Bd6 8.Bd3 O-O
9.Ne2 Re8 10.O-O Bg4 11.Qc2 Bxe2 12.Bxe2 Nd7 13.Rb1 b6 14.Bf3 Qc7 15.g3 Rac8
16.Be3 g6 17.Qd2 f5 18.Bg2 h5 19.Rfd1 Rcd8 20.h4 Kg7 21.Re1 c5 22.Rbc1 Nf6
23.Bg5 Rc8 24.Bxf6+ Kxf6 25.f4 Kg7 26.Bd5 Be7 27.Re2 Bf6 28.Rce1 Rxe2 29.Rxe2 Rd8
30.Kg2 b5 31.Qd3 cxd4 32.cxd4 bxc4 33.Qxc4 Qxc4 34.Bxc4 Rxd4 35.Rc2 a5 36.a4 Rd1
37.Bb5 Bd4 38.Rc7 Rd2+ 39.Kf1 Rf2+ 40.Ke1 Rb2 41.Be2 Kf8 42.Kf1 Rb1+ 43.Kg2 Rb2
44.Kf3 Ke8 45.Bb5+ Kf8 46.Be2 Rb3+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "2"]
[White "Suarez, Osvaldo C"]
[Black "Rubinetti, Jorge A"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E31"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 Bxc3+ 7.bxc3 d6 8.e3 e5
9.Bd3 g5 10.Bg3 e4 11.Bc2 Qe7 12.h4 Rg8 13.hxg5 hxg5 14.Rh6 Nbd7 15.Ba4 Kf8
16.Bxd7 Bxd7 17.f3 Kg7 18.Rh2 exf3 19.gxf3 Qxe3+ 20.Kf1 Ne4 21.Be1 Qf4 22.Qe2 Rae8
23.Qg2 Rh8 24.Nh3 Rxh3 25.Rxh3 Bxh3 26.Qxh3 Rh8 27.Qg4 Rh1+ 28.Ke2 Rh2+ 29.Kd3 Rd2+
30.Bxd2 Qxd2+ 31.Kxe4 Qe2+ 32.Kf5 Qe5+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "2"]
[White "Trois, Francisco RT"]
[Black "Letelier, Rene"]
[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.Nf3 Bg7 8.Be2 O-O
9.O-O Re8 10.Nd2 Na6 11.f3 Nc7 12.a4 Nd7 13.Nc4 Ne5 14.Ne3 f5 15.exf5 gxf5
16.f4 Ng6 17.Kh1 Qf6 18.Bd3 Bd7 19.Qh5 Ne7 20.g4 Qf7 21.Qxf7+ Kxf7 22.gxf5 Bxc3
23.bxc3 Nexd5 24.Nxd5 Bc6 25.Bc4 Re4 26.Nxc7+ Rxc4+ 27.Kg1 Rg8+ 28.Kf2 Rg2+
29.Ke1 Re4+ 30.Kd1 Kf6 31.Nb5 Rxa4 32.Rxa4 Bxb5 33.Rxa7 Bxf1 34.Rxb7 Rxh2
35.Rd7 Be2+ 36.Ke1 Kxf5 37.Rxd6 c4 38.Rd2 Rh1+ 39.Kxe2 Rxc1 40.Rd7 Rxc3 41.Rxh7 Kxf4  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Paradella, Jose"]
[Black "Trois, Francisco RT"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A56"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6 6.Bd3 Bg7 7.Nge2 Na6 8.a3 Nc7 9.b4 Nd7
10.Be3 a6 11.O-O b6 12.Rb1 O-O 13.Qc2 Ne8 14.Kh1 Nef6 15.f3 h5 16.Rb2 Qc7
17.Rfb1 Nh7 18.bxc5 bxc5 19.Na4 Bf6 20.Nb6 Rb8 21.Nxd7 Bxd7 22.Qd2 Rfc8 23.Kg1 Bd8
24.Bc2 Rxb2 25.Rxb2 Rb8 26.Bd1 Nf6 27.Nc3 Rxb2 28.Qxb2 Qb6 29.Qxb6 Bxb6 30.Ba4 Ba5
31.Bxd7 Bxc3 32.Bc8 a5 33.Bg5 Kg7 34.a4 Bb4 35.Kf1 Bc3 36.Ke2 Bb4 37.Kd3 Be1
38.h3 Bb4 39.f4 exf4 40.Bxf4 Ne8 41.Bd7 Kf8 42.Bxe8 Kxe8 43.Bxd6 Kd7 44.Bg3 Ke7
45.e5 Kd7 46.Bf4 Ke7 47.Bg5+ Kd7 48.Bf6 Be1 49.Bg5 Bb4 50.Ke4 Be1 51.Be3 Bb4
52.Kf4 Kd8 53.Kg5 Ke7 54.Kf4 Kd7 55.Kg5 Ke7 56.Kh6 Ba3 57.Kg7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Aguirre, Alb"]
[Black "Arambel, Sergio"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B77"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Be3 Bg7 6.Nc3 Nf6 7.Bc4 O-O 8.f3 d6
9.Qd2 Bd7 10.g4 Ne5 11.Be2 Rc8 12.h4 h5 13.g5 Nh7 14.Nd5 Be6 15.Nxe6 fxe6
16.Nf4 Qd7 17.O-O a6 18.c3 Rf7 19.Nxh5 gxh5 20.f4 Ng4 21.Bxg4 hxg4 22.g6 Rff8
23.gxh7+ Kxh7 24.e5 Qc6 25.Qd3+ Rf5 26.Rf2 Qb5 27.Qd1 dxe5 28.Qxg4 Rg8 29.Rg2 exf4
30.Rd1 fxe3 31.Qg6+ Kh8 32.Qxe6 Rgf8 33.Qxe3 Rf1+ 34.Rxf1 Rxf1+ 35.Kh2 Be5+
36.Kh3 Qd7+ 37.Rg4 Rh1+ 38.Kg2 Qxg4+ 39.Kxh1 Qf4 40.Qe2 Qxh4+ 41.Kg2 Qg3+
42.Kf1 Qf4+ 43.Ke1 Bf6 44.Qg2 Qe3+ 45.Kd1 Bg5 46.Kc2 Qc1+ 47.Kb3 Qd1+ 48.Ka3 b5
49.Qxg5 Qa4+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Garcia, Raimundo"]
[Black "Nicolas, Roberto"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E60"]

1.Nf3 d6 2.d4 g6 3.g3 Bg7 4.Bg2 Nf6 5.O-O Nbd7 6.c4 O-O 7.Nc3 Rb8 8.e4 e5
9.Qc2 c6 10.Rd1 Re8 11.b3 exd4 12.Nxd4 Ne5 13.h3 Qb6 14.Be3 Qc7 15.f4 Neg4
16.hxg4 Nxg4 17.Bf2 b5 18.cxb5 cxb5 19.Rac1 Nxf2 20.Qxf2 Qa5 21.Nc6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Leskovar, Mario"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B31"]

1.Nf3 c5 2.e4 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.c3 Nge7 7.a4 a6 8.Bf1 O-O
9.Na3 d5 10.d3 h6 11.exd5 Nxd5 12.Nc4 Re8 13.a5 Qc7 14.Nfd2 Be6 15.g3 Rad8
16.Qa4 f5 17.Nb3 Bf8 18.Bg2 Bf7 19.Bd2 Nf6 20.Bf1 g5 21.Be3 Na7 22.Rad1 f4
23.Bc1 Bh5 24.Rd2 Nc6 25.Bg2 Bg6 26.Nb6 Kh8 27.Bf1 Bf7 28.Nc4 Bd5 29.Rdd1 Qf7
30.Nbd2 Ng4 31.Re2 Nxh2 32.Ne4 Nf3+ 33.Kg2 g4 34.gxf4 Qh5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Letelier, Rene"]
[Black "Laurencena, Alberto"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B25"]

1.g3 g6 2.Bg2 Bg7 3.e4 c5 4.Nf3 Nc6 5.d3 d6 6.O-O Nf6 7.Nc3 O-O 8.Nh4 Bd7
9.h3 Rb8 10.a4 Ne8 11.f4 f5 12.Kh2 Nd4 13.Ne2 Nc7 14.c3 Nxe2 15.Qxe2 e6 16.Be3 b6
17.Rfd1 Qe8 18.a5 Ba4 19.Re1 Bc6 20.axb6 axb6 21.e5 dxe5 22.fxe5 Ra8 23.d4 Bxg2
24.Nxg2 Qc6 25.dxc5 bxc5 26.Qc4 Rxa1 27.Rxa1 Bxe5 28.Qxc5 Qxc5 29.Bxc5 Rd8
30.Re1 Rd5 31.Bb6 Rb5 32.Rxe5 Rxb6 33.Rc5 Nd5 34.b4 g5 35.b5 Kf7 36.c4 Nf6
37.Rc7+ Ke8 38.Ne1 h5 39.Nf3 Ne4 40.Ne5 Rd6 41.c5 Rd2+ 42.Kg1 Rb2 43.b6 Nxc5
44.Rxc5 Rxb6 45.Rc2 g4 46.h4 Rb3 47.Kf2 Ke7 48.Ng6+ Kf6 49.Nf4 e5 50.Rc6+ Kf7
51.Nxh5 Rb2+ 52.Kf1 Rb1+ 53.Ke2 Rb2+ 54.Kd3 Rf2 55.Ra6 Rf3+ 56.Kc4 f4 57.gxf4 g3
58.Rf6+ Ke8 59.Re6+ Kf7 60.Rxe5 g2 61.Rg5 Rh3 62.Rxg2 Rxh4 63.Rg5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Lida Garcia, Fernando"]
[Black "Paglilla, Carlos"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A25"]

1.c4 Nf6 2.Nc3 e5 3.g3 Nc6 4.Bg2 g6 5.Rb1 Bg7 6.b4 O-O 7.e3 d6 8.b5 Ne7 9.Ba3 Be6
10.Qb3 Rb8 11.Nge2 Nh5 12.O-O f5 13.f4 h6 14.Nd5 g5 15.Rbc1 Ng6 16.Qd1 c6
17.Ndc3 gxf4 18.gxf4 Bxc4 19.bxc6 bxc6 20.d3 Ba6 21.fxe5 Nxe5 22.Nd4 Qg5
23.Ne6 Qxe3+ 24.Kh1 Ng4 25.Nxf8 Qe5 26.Qxg4 fxg4 27.Nd7 Ng3+ 28.Kg1 Qe3+
29.Rf2 Bd4 30.hxg3 Qxf2+ 31.Kh2 Qf5 32.Bxc6 Qh5+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Lopez, Noberto"]
[Black "Moccero, Eduardo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B07"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.h4 h5 6.Nh3 Na6 7.Ng5 c5 8.Be3 cxd4
9.Bxd4 Bd7 10.Qd2 O-O 11.O-O-O Nb4 12.f3 Qc7 13.g4 Rfc8 14.gxh5 Nxh5 15.Bxg7 Nxg7
16.h5 gxh5 17.a3 a5 18.Rdg1 b5 19.Rxh5 Nxc2 20.Ne6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Marcussi, Bartolome"]
[Black "Wernik, Ruben"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C12"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 g6
9.Bd3 Nxd2 10.Kxd2 c5 11.Nf3 c4 12.Be2 Bd7 13.h4 Na6 14.h5 g5 15.Nh2 Qa5
16.Qf3 O-O-O 17.Ng4 Bc6 18.Qe3 Nc5 19.dxc5 d4 20.Qg3 d3 21.cxd3 cxd3 22.Bf3 Rd4
23.Bxc6 bxc6 24.Qf3 Kc7 25.Qxf7+ Rd7 26.Qxe6 Qa4 27.Ne3 Rf8 28.f3 Qa3 29.Rhb1 Qxc5
30.Rb7+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Reinhardt, Enrique Heinrich"]
[Black "Suarez, Osvaldo C"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E76"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 e5 6.fxe5 dxe5 7.d5 c6 8.Nf3 Bg4
9.Be3 Nbd7 10.Be2 O-O 11.O-O Re8 12.h3 Bxf3 13.Bxf3 cxd5 14.cxd5 Nb6 15.Be2 a6
16.Qd2 Nc8 17.g4 Nd6 18.Bd3 Rc8 19.Qf2 Nd7 20.Na4 f5 21.Nb6 Nxb6 22.Bxb6 Qg5
23.Be3 f4 24.Bc5 Bf8 25.Rac1 h5 26.Bxd6 Bxd6 27.Qf3 Bc5+ 28.Kg2 Be3 29.Rce1 Re7
30.Qe2 Rf7 31.Kf3 hxg4+ 32.hxg4 Rh7 33.Rh1 Rh4 34.Qg2 Rxh1 35.Rxh1 Qe7 36.Qh3 Qg7
37.g5 Rc1 38.Rxc1  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Rossetto, Hector"]
[Black "Sainz, Tripaga"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A25"]

1.g3 e5 2.Bg2 Nc6 3.c4 g6 4.Nc3 Bg7 5.e3 d6 6.Nge2 Nge7 7.O-O O-O 8.Rb1 a5
9.b3 Bd7 10.h3 Qc8 11.Kh2 f5 12.d3 Nd8 13.f4 Nf7 14.Ba3 Re8 15.Qd2 Bc6 16.Nd5 Bxd5
17.cxd5 Qd7 18.Rbc1 c6 19.dxc6 Nxc6 20.Nc3 Ra6 21.Nd5 b5 22.Rc2 Rc8 23.Rfc1 Nfd8
24.Bf3 Kh8 25.Bb2 Ra7 26.Nb6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "3"]
[White "Schmid, Lothar"]
[Black "Vasta, Eduardo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A29"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.g3 d6 5.Bg2 Bg4 6.h3 Bf5 7.d4 Be7 8.O-O Qc8
9.Kh2 O-O 10.b3 h6 11.Bb2 Re8 12.dxe5 dxe5 13.Nd5 Bd8 14.Qd2 Ne4 15.Qe3 Ng5
16.Ng1 Ne6 17.f4 exf4 18.gxf4 Ne7 19.Qg3 Bg6 20.e4 c6 21.Nxe7+ Rxe7 22.f5 Bc7
23.Be5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Schmid, Lothar"]
[Black "Rossetto, Hector"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A42"]

1.e4 g6 2.c4 Bg7 3.d4 d6 4.Nc3 c6 5.Nf3 Bg4 6.Be3 Nd7 7.Be2 Ngf6 8.O-O O-O
9.h3 Bxf3 10.Bxf3 Qc7 11.Rc1 Rfd8 12.g3 e5 13.Bg2 a6 14.d5 c5 15.Qe2 Rf8
16.h4 Rae8 17.Bh3 Kh8 18.Kh2 Ng8 19.h5 Bh6 20.Rh1 Qd8 21.Kg2 Kg7 22.hxg6 hxg6
23.Bxd7 Qxd7 24.Rh4 Qd8 25.Rch1 Bxe3 26.Qxe3 Kf6 27.f4 Qb6 28.Qf2 exf4 29.gxf4 Ke7
30.e5 Kd8 31.Ne4 dxe5 32.Nxc5 Kc8 33.R1h3 exf4 34.Rxf4 Re7 35.Rb3 Qd8 36.Ne6 Rxe6
37.dxe6 f5 38.Qc5+ Kb8 39.Rd4 Qg5+ 40.Kf2  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Abramson, Horacio"]
[Black "Casas, Ernesto"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C63"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.d3 Nf6 5.Nc3 Bb4 6.O-O Bxc3 7.bxc3 fxe4 8.Bxc6 exf3
9.Bxf3 O-O 10.Re1 d6 11.Bg5 Rb8 12.d4 exd4 13.cxd4 Bf5 14.Qd2 Qd7 15.Re3 d5
16.Bxf6 Rxf6 17.Qa5 c6 18.Qxa7 Rbf8 19.Rb1 R6f7 20.Qc5 Bg4 21.Bxg4 Qxg4 22.Rf1 Rxf2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Bademian, Jose"]
[Black "Anelli, Antonio"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B85"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.O-O Nf6 8.Be3 Be7
9.f4 d6 10.Qe1 O-O 11.Qg3 Kh8 12.Rad1 Bd7 13.Bf3 Rac8 14.Kh1 b5 15.Nxc6 Bxc6
16.e5 dxe5 17.fxe5 Nd7 18.Bf4 Nc5 19.a3 a5 20.Be3 Qb7 21.Rd4 b4 22.axb4 axb4
23.Bxc6 Rxc6 24.Ne2 Rc7 25.Rg4 Ne4 26.Qf3 f5 27.Nd4 Qc8 28.Rg3 Nxg3+ 29.Qxg3 Bc5
30.Nb5 Qa6 31.Bg5 Qxb5 32.Re1 Be7 33.Bf6 gxf6 34.exf6 Bd8 35.Rd1 Rd7 36.Rd3 Bxf6  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Bulcourf, Carlos"]
[Black "Casas, Fernando"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D02"]

1.Nf3 d5 2.d4 e6 3.e3 c6 4.Bd3 f5 5.O-O Bd6 6.b3 Qe7 7.a4 Nf6 8.Ba3 Nbd7
9.Ne5 Bxa3 10.Nxa3 Nxe5 11.dxe5 Ng4 12.Be2 Nxe5 13.Qd4 Ng6 14.f4 O-O 15.c4 b6
16.cxd5 exd5 17.Rfc1 Bb7 18.Bf3 Nh4 19.Rf1 Nxf3+ 20.Rxf3 c5 21.Qd2 Rad8 22.Rg3 Qf6
23.Re1 Rfe8 24.Qc1 Ba6 25.Qa1 Qxa1 26.Rxa1 d4 27.Rd1 dxe3 28.Rxd8 Rxd8 29.Rxe3 Kf7
30.Kf2 Rd2+ 31.Kg3 Bf1 32.Nb5 a6 33.Nc7 Bxg2 34.Nxa6 Bb7 35.Nc7 Rg2+ 36.Kh3 Rg4
37.Rg3 Rxf4 38.Nb5 Kf6 39.Nd6 Bc6 40.Nc4 Bxa4 41.Nxb6 Bc6 42.Rd3 Rd4 43.Rc3 Rg4
44.Rc2 Rb4 45.Na4 Rxb3+ 46.Nc3 g5 47.Kg3 f4+ 48.Kg4 Kg6 49.Kh3 h5 50.Rc1 Be4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Lencinas, Hector"]
[Black "Garcia, Horacio"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A03"]

1.Nf3 c5 2.b3 d5 3.Bb2 Nc6 4.e3 Nf6 5.Bb5 Bd7 6.O-O e6 7.Bxc6 Bxc6 8.Ne5 Rc8
9.f4 Be7 10.d3 O-O 11.Nd2 b5 12.Qf3 Qa5 13.Rf2 c4 14.dxc4 Ba8 15.Qh3 Bb4
16.Ndf3 Bc3 17.Bxc3 Qxc3 18.Re1 dxc4 19.Rfe2 Bxf3 20.Qxf3 Nd5 21.Qf2 Qa5
22.e4 Nc3 23.Re3 Rfd8 24.Qh4 Qb6 25.Kf1 Nd1 26.Rh3 Kf8 27.Re2 h6 28.Qh5 Rc7
29.f5 exf5 30.Rf3 cxb3 31.axb3 Kg8 32.exf5 Qf6 33.h4 Nc3 34.Ng4 Rd1+ 35.Re1 Rxe1+
36.Kxe1 Qd4 37.Re3 Ne4 38.Rd3 Qg1+ 39.Ke2 Qxg2+ 40.Ke3 Re7 41.Rd8+ Kh7 42.Kf4 Qg3+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Oro, Luis"]
[Black "Benko, Francisco"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B03"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 Bf5 8.Nf3 Nb4
9.Na3 e6 10.Be2 Be7 11.O-O O-O 12.Qe1 Nd3 13.Qc3 Na4 14.Qb3 Naxb2 15.Nc2 a5
16.a4 Ra6 17.c5 Qd5 18.Qxd5 exd5 19.Nh4 Be4 20.Nf5 Bd8 21.Ne1 Rg6 22.Ng3 Nxe1
23.Rfxe1 Bh4 24.Bf2 Bd3 25.Bf3 Bxg3 26.Bxg3 c6 27.Ra3 Ba6 28.Ra2 Nd3 29.Re3 Re6
30.Ra1 f5 31.Re2 g5 32.Rd2 f4 33.Be1 Nxe1 34.Rxe1 Kg7 35.Rb2 Kg6 36.Rb6 Rd8
37.Kf2 h5 38.h3 Re7 39.Bd1 Bd3 40.Bf3 Bf5 41.Be2 Rh8 42.Rh1 Rhh7 43.Bf3 Re6
44.Be2 Be4 45.Bf3 Bf5 46.Be2 Be4 47.Bf3 Kf5 48.Rb2 Ree7 49.Rd2 g4 50.hxg4+ hxg4
51.Rxh7 Rxh7 52.Be2 Rh1  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Palazzo, Rafael"]
[Black "Letelier, Rene"]
[Result "0-1"]
[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.Qe2 Be7
9.g4 d6 10.g5 Nd7 11.f4 b5 12.f5 Nde5 13.Qh5 g6 14.Qh3 Nxd4 15.Bxd4 Bxg5
16.Bxe5 dxe5 17.fxg6 fxg6 18.Rg1 Qe7 19.Nd1 O-O 20.Ne3 Rf4 21.Ng2 Rf7 22.Ke2 Bd7
23.Raf1 Raf8 24.Ne3 Bf4 25.Qg2 Bc6 26.h3 Qb4 27.h4 Kh8 28.h5 gxh5 29.Qh3 Bxe4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Puiggros, Guillermo"]
[Black "Lopez Nadal, F."]
[Result "1/2-1/2"]
[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.d4 Ne6 10.Nf3 O-O 11.Nc3 Re8 12.Qd3 Nf8 13.Bf4 Ng6 14.Bg3 Be6 15.Rad1 Bd6
16.Ne5 Nxe5 17.dxe5 Bf8 18.Qe3 Qe7 19.Rd4 Qc5 20.Qd2 Be7 21.Rd1 h6 22.Ne4 Qb5
23.b3 Rad8 24.Qe3 Rxd4 25.Rxd4 Rd8 26.Rxd8+ Bxd8 27.Nc5 Bg5 28.f4 Be7 29.Nxe6 fxe6
30.Bf2 Qd5 31.Qe2 Bc5 32.h3 Bxf2+ 33.Kxf2 c5 34.Kg3 c6 35.Kg4 b5 36.f5 Qd4+
37.Kg3 exf5 38.Kh2 Kf7 39.Qh5+ g6 40.e6+ Kf6 41.Qxh6 Qe5+ 42.Kh1  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Rodriguez Vargas, Orestes"]
[Black "Rubinetti, Jorge A"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C95"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O
9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.Nf1 Bf8 14.Ng3 g6 15.Bd2 c5
16.d5 Nb6 17.Nh2 Bc8 18.Rf1 Bg7 19.Bd3 h5 20.Bg5 Qc7 21.Qc1 Nh7 22.Bh6 Qe7
23.Bxg7 Kxg7 24.f4 Nd7 25.Nf3 h4 26.Ne2 exf4 27.Nxf4 Ne5 28.Qd2 Bd7 29.Rae1 Rh8
30.Bc2 c4 31.Qf2 Ng5 32.Nd4 Rae8 33.Kh1 Qd8 34.Qd2 Qe7 35.Rf2 Ref8 36.Kh2 Rh6
37.Ref1 f6 38.b3 Rf7 39.Re2 Rh8 40.b4 Qe8 41.Re3 Qc8 42.Ra1 Re8 43.a4 Rfe7
44.axb5 axb5 45.Rf1 Qb7 46.Qf2 Rf7 47.Qxh4 Rh8 48.Qg3 Ng4+ 49.Kg1 Nxe3 50.Qxe3 Qc8
51.Nxg6 Rh6 52.Nf4 Kh8 53.h4 Qg8 54.Nf5 Bxf5 55.exf5 Nh7 56.Ng6+ Kg7 57.Rf3 Nf8
58.Ne7 Rxe7 59.Qxe7+ Kh8 60.Qxd6 Nh7 61.Qf4 Rh5 62.Rg3 Qe8 63.Be4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Salas, Horacio"]
[Black "Cilurzo, Miguel"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B21"]

1.e4 c5 2.f4 e6 3.Nf3 d6 4.d4 cxd4 5.Nxd4 Nc6 6.Bb5 Bd7 7.O-O Qb6 8.Be3 Nxd4
9.Bxd7+ Kxd7 10.Bxd4 Qc6 11.Nc3 Be7 12.Bxg7 Nf6 13.Bxh8 Rxh8 14.e5 Rg8 15.Qf3 Qc5+
16.Kh1 Ne8 17.Qxb7+ Nc7 18.Ne4 Qxc2 19.Rf2 Qa4 20.exd6 Bxd6 21.Nf6+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Trois, Francisco RT"]
[Black "Fraile, J."]
[Result "1-0"]
[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.Bd3 b5 11.Rhe1 Bb7 12.Nd5 exd5 13.Nf5 Bf8 14.e5 dxe5 15.fxe5 Nxe5
16.Nxg7+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "4"]
[White "Wernik, Ruben"]
[Black "Garcia, Raimundo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B40"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Be3 Nf6 6.Bd3 d5 7.Nd2 Be7 8.O-O O-O
9.Nxc6 bxc6 10.c4 e5 11.Bg5 dxe4 12.Nxe4 Nxe4 13.Bxe7 Qxe7 14.Bxe4 Qc5 15.Qf3 f5
16.Bc2 Be6 17.Rfe1 e4 18.Qc3 a5 19.b3 Bf7 20.Rad1 Rfd8 21.Rxd8+ Rxd8 22.g4 Re8
23.Qe3 Qxe3 24.Rxe3 fxg4 25.Rxe4 Rxe4 26.Bxe4 c5 27.Kg2 g5 28.Bf5 h5 29.f3 gxf3+
30.Kxf3 Kg7 31.Ke4 Kf6 32.Bd7 Be6 33.Be8 h4 34.Bc6 Bh3 35.Kf3 Ke5 36.Ke3 Bf5
37.a3 Bc2 38.Ba4 g4 39.Bd7 g3 40.hxg3 hxg3 41.Kf3 Bxb3 42.Kxg3 Bxc4 43.Kf2 Kd4
44.Ke1 Kc3 45.Kd1 Kb2 46.a4 Bb3+ 47.Kd2 c4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Lida Garcia, Fernando"]
[Black "Laurencena, Alberto"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C68"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Bg4 6.h3 h5 7.d3 Qf6 8.Nbd2 Bd6
9.Re1 Ne7 10.d4 Ng6 11.c3 O-O-O 12.hxg4 hxg4 13.Nh2 exd4 14.Qxg4+ Kb8 15.Ndf3 Bxh2+
16.Nxh2 Rxh2 17.Bg5 Rdh8 18.f3 Qe5 19.Kf2 Qb5 20.Re2 Ne5 21.Qf5 R2h5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Casas, Fernando"]
[Black "Gonzalez, Gerardo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A93"]

1.d4 d5 2.Nf3 e6 3.c4 f5 4.g3 Nf6 5.Bg2 Be7 6.O-O O-O 7.b3 Nc6 8.Ne5 Nxe5
9.dxe5 Ne4 10.Qc2 c6 11.Rd1 Bd7 12.Nc3 Nxc3 13.Qxc3 Be8 14.a4 a5 15.c5 Bh5
16.Ra2 g5 17.Be3 Rf7 18.b4 Qf8 19.b5 f4 20.Bd4 f3 21.exf3 Bxf3 22.Rb1 Bxg2
23.Kxg2 g4 24.bxc6 bxc6 25.Rb7 Qh6 26.h4 Raf8 27.Be3 Qh5 28.Rab2 Bxh4 29.Rxf7 Qxf7
30.Bh6 Be7 31.Bxf8 Qxf8 32.Qe3 Qf5 33.Rb8+ Kf7 34.Rc8 Bg5 35.Qe2 d4 36.Rc7+ Ke8
37.Qa6 Qf3+ 38.Kg1 d3 39.Qc8+ Bd8 40.Qxe6+ Kf8 41.Qd7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Garcia, Horacio"]
[Black "Anelli, Antonio"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B51"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.c3 Nf6 6.Re1 a6 7.Ba4 b5 8.Bc2 e5
9.a4 Be7 10.axb5 axb5 11.Rxa8 Qxa8 12.Na3 Qb8 13.Qe2 Na7 14.d4 O-O 15.Rd1 Bc6
16.Bg5 Re8 17.d5 Bd7 18.b4 c4 19.Bb1 Nc8 20.Nc2 h6 21.Bd2 Bf8 22.h3 g6 23.Kh2 Bg7
24.Rg1 Nh5 25.g3 Ne7 26.Rf1 Qc8 27.Ng1 f5 28.exf5 Bxf5 29.Ne3 Bxb1 30.Rxb1 Nf6
31.Rd1 Qb7 32.Be1 Ra8 33.Nf3 Ra6 34.Qc2 Qa8 35.Nxe5 dxe5 36.d6 Nf5 37.Nxf5 gxf5
38.Qxf5 Qd8 39.Qe6+ Kh7 40.Kg2 e4 41.Qe7 Qd7 42.Qxd7 Nxd7 43.Rd5 Rb6 44.Bd2 Kg8
45.Be3 Rb7 46.Bd4 Bxd4 47.Rxd4 Nf6 48.g4 Kf7 49.f4 exf3+ 50.Kxf3 Ke6 51.h4 Nd5
52.g5 hxg5 53.hxg5 Nxc3 54.g6 Nd5 55.Ke4 Nf6+ 56.Kf4 Rd7 57.Kg5 Nd5 58.Rd1 Kxd6
59.Kh6 Kc6 60.g7 Rxg7 61.Kxg7 Nxb4 62.Kf6 c3 63.Kf5 c2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Garcia, Raimundo"]
[Black "Paglilla, Carlos"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A05"]

1.Nf3 Nf6 2.g3 b5 3.Bg2 Bb7 4.O-O e6 5.d3 Be7 6.e4 d6 7.Ne1 Nfd7 8.d4 c5
9.c3 O-O 10.a4 a6 11.axb5 axb5 12.Rxa8 Bxa8 13.Na3 b4 14.cxb4 cxb4 15.Nac2 d5
16.e5 Qb6 17.Nf3 Nc6 18.b3 Na5 19.Ne3 Bc6 20.Re1 Bb5 21.h4 Rc8 22.Bb2 Qa6
23.Ng5 Nf8 24.f4 h6 25.Nh3 Rc3 26.Bxc3 bxc3 27.f5 Bd3 28.Bf1 Bxf1 29.Rxf1 Ba3
30.f6 g6 31.Ng4 Kh7 32.Qc2 Qb6 33.Qxc3 Nxb3 34.Rb1 Qxd4+ 35.Qxd4 Nxd4 36.Rb7 Kh8
37.Rxf7 h5 38.Nh2 Nc6 39.Nf3 d4 40.Nf4 Nb4 41.Rxf8+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Letelier, Rene"]
[Black "Marcussi, Bartolome"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A13"]

1.c4 Nf6 2.g3 e6 3.Bg2 d5 4.Nf3 dxc4 5.Qa4+ Bd7 6.Qxc4 Bc6 7.O-O Bd5 8.Qc2 c5
9.Nc3 Bc6 10.Rd1 Nbd7 11.d4 cxd4 12.Nxd4 Bxg2 13.Kxg2 Be7 14.e4 Qa5 15.Qe2 O-O
16.Bf4 Rfd8 17.Nb3 Qa6 18.Qxa6 bxa6 19.Na5 e5 20.Nc6 exf4 21.Nxe7+ Kf8 22.Ned5 fxg3
23.Nxf6 Nxf6 24.hxg3 Rab8 25.Kf3 Rxd1 26.Rxd1 Rxb2 27.e5 Rc2 28.Rd3 Nd7 29.Rxd7 Rxc3+
30.Ke4 Rc2 31.f4 g6 32.a4 Ra2 33.Kd5 Rxa4 34.e6 Ra5+ 35.Kd6 fxe6 36.Rxh7 Ra3
37.Kxe6 Rxg3 38.Kf6 Ke8 39.Rxa7 Rg4 40.Ra8+ Kd7 41.Ke5 Ke7  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Santomauro, Sabado"]
[Black "Puiggros, Guillermo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A85"]

1.c4 f5 2.Nf3 Nf6 3.d4 e6 4.Nc3 d5 5.e3 c6 6.cxd5 exd5 7.Be2 Bd6 8.a3 Nbd7
9.b4 Ne4 10.Bb2 Qf6 11.O-O O-O 12.Rc1 g5 13.Nd2 Qh6 14.g3 Nxd2 15.Qxd2 f4
16.Bf3 Nf6 17.e4 Bg4 18.Bxg4 Nxg4 19.f3 Ne3 20.e5 Nxf1 21.Rxf1 Be7 22.g4 Qg6
23.Nd1 Rfd8 24.Nf2 Rac8 25.Qd3 Qxd3 26.Nxd3 a5 27.Rc1 axb4 28.axb4 Ra8 29.Nc5 Ra2
30.Bc3 Bxc5 31.bxc5 Rda8 32.Re1 Rc2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Lopez, Noberto"]
[Black "Cativelli, Gerardo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B98"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 h6
9.Bh4 g5 10.fxg5 Nfd7 11.Qh5 Ne5 12.Bf2 Bxg5 13.h4 Be7 14.O-O-O Qa5 15.g4 Nbd7
16.Nb3 Qc7 17.g5 Ng6 18.Nd4 Nde5 19.gxh6 Nf4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Najdorf, Miguel"]
[Black "Rossetto, Hector"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B15"]

1.Nf3 g6 2.d4 Bg7 3.e4 c6 4.Nc3 d5 5.h3 dxe4 6.Nxe4 Nf6 7.Nxf6+ Bxf6 8.Bc4 Bf5
9.O-O Nd7 10.Re1 Nb6 11.Bb3 h5 12.Ne5 e6 13.c3 Nd5 14.Qf3 h4 15.Bd2 Kf8 16.c4 Nc7
17.Bc3 Bg7 18.Rad1 Qg5 19.d5 exd5 20.cxd5 Qh5 21.Qe3 Nxd5 22.Rxd5 cxd5 23.Nxf7 Bxc3
24.bxc3 Rh7 25.Qe7+ Kg8 26.Bxd5 Rg7 27.Qe8+ Rxe8 28.Rxe8+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Paradella, Jose"]
[Black "Incutto, Carlos"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E70"]

1.c4 Nf6 2.d4 g6 3.Nc3 Bg7 4.e4 d6 5.Bg5 h6 6.Bh4 c6 7.f4 O-O 8.Nf3 Bg4 9.Be2 Qa5
10.O-O Bxf3 11.Bxf3 e5 12.fxe5 dxe5 13.d5 Nbd7 14.Bf2 Rad8 15.Qa4 Qxa4 16.Nxa4 cxd5
17.cxd5 Rc8 18.Rac1 Rfe8 19.Nc5 Nxc5 20.Bxc5 Bf8 21.Be3 Red8 22.g3 Ne8 23.Rxc8 Rxc8
24.Rc1 Rxc1+ 25.Bxc1 Bc5+ 26.Kf1 Kg7 27.Ke2 Nd6 28.g4 Bg1 29.h3 Bc5 30.Kd3  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Rodriguez Vargas, Orestes"]
[Black "Schmid, Lothar"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B02"]

1.e4 Nf6 2.e5 Nd5 3.Nc3 e6 4.Nf3 Be7 5.Bc4 Nxc3 6.dxc3 d5 7.Bd3 c5 8.c4 Nc6
9.c3 dxc4 10.Bxc4 Qxd1+ 11.Kxd1 b6 12.Ke2 Bb7 13.Rd1 Rd8 14.Bf4 h6 15.h4 O-O
16.h5 Rxd1  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Rubinetti, Jorge A"]
[Black "Arambel, Sergio"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E41"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Ne2 d5 7.cxd5 exd5 8.a3 cxd4
9.exd4 Be7 10.h3 O-O 11.O-O Be6 12.Be3 Qd7 13.Ng3 Na5 14.Qc2 Nc4 15.Bg5 h6
16.Bf4 Nd6 17.Rfe1 a6 18.Na4 Nc8 19.Nf5 Re8 20.Nxe7+ Qxe7 21.Nc5 Nb6 22.Qb3 Nc4
23.Nxe6 fxe6 24.Bxc4 dxc4 25.Qxc4 Nd5 26.Be5 Rac8 27.Qe2 Qg5 28.Rad1 Nf4
29.Qg4 Qxg4 30.hxg4 Nd5 31.Rc1 Kf7 32.f3 g6 33.Kf2 b5 34.Rc5 Nb6 35.Rec1 Rxc5
36.dxc5 Nc4 37.Bc3 a5 38.b3 Nxa3 39.Bxa5 Rc8 40.Bb4 Ra8 41.Ra1 Nc2 42.Rxa8 Nxb4
43.Ke3 Kf6 44.Rb8  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "5"]
[White "Sadi, Cesar"]
[Black "Judewicz, Alejandro"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C11"]

1.d4 Nf6 2.Nc3 d5 3.Bg5 e6 4.e4 dxe4 5.Nxe4 Be7 6.Bxf6 Bxf6 7.Nf3 Nc6 8.Bb5 Be7
9.Ne5 Qd5 10.Qd3 Bd7 11.c4 Nxe5 12.cxd5 Nxd3+ 13.Bxd3 exd5 14.Nc5 O-O-O 15.Nxd7 Bb4+
16.Kd1 Kxd7 17.a3 Ba5 18.Bf5+ Kd6 19.Kc2 Rhe8 20.b4 Bb6 21.Kd3 g6 22.a4 a6
23.Bg4 Re4 24.Bf3 Rxd4+ 25.Kc3 Rf4 26.Rhd1 c6 27.b5 Bxf2 28.bxc6 bxc6 29.a5 Rb8
30.Be2 c5 31.Bxa6 Bd4+ 32.Rxd4 Rxd4 33.Rf1 f5 34.Bd3 Ra4 35.g4 Rxa5 36.gxf5 d4+
37.Kd2 Ra2+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "6"]
[White "Paglilla, Carlos"]
[Black "Cristobal, Ruben"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C96"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6 7.c3 Be7 8.Re1 O-O
9.h3 Na5 10.Bc2 c5 11.d4 cxd4 12.cxd4 Qc7 13.Nc3 h6 14.dxe5 dxe5 15.Nd5 Nxd5
16.exd5 Bd6 17.Bxh6 gxh6 18.Rc1 f6 19.Nh4 Qg7 20.Nf5 Bxf5 21.Bxf5 Qg5 22.Be6+ Kh8
23.Rc3 f5 24.Rg3 Qf6 25.Qh5 Kh7 26.h4 Rae8 27.Rd1 e4 28.Rg5 Rxe6 29.dxe6 Qxe6
30.Rd5 e3 31.fxe3 Qxe3+ 32.Kf1 Qf4+ 33.Ke2 Qe4+ 34.Kf2 Qf4+  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "6"]
[White "Casas, Fernando"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A69"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.Nf3 g6 7.Nd2 Nbd7 8.e4 Bg7
9.Be2 O-O 10.O-O Re8 11.f4 a6 12.a4 c4 13.e5 dxe5 14.Nxc4 exf4 15.Bxf4 Nc5
16.a5 Nfd7 17.Rc1 b6 18.Nd6 Rf8 19.b4 Nb7 20.Nce4 bxa5 21.Nxb7 Bxb7 22.Bc7 Qe7
23.Nd6 Ra7 24.Nxb7 Rxb7 25.bxa5 Bh6 26.Rc2 Nc5 27.d6 Qe3+ 28.Kh1 Ne4 29.Bf3 Rb4
30.Bxe4 Rxe4 31.Bb6 Qb3 32.d7 Bg5 33.Rc8  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "6"]
[White "Cativelli, Gerardo"]
[Black "Marcussi, Bartolome"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B56"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.h3 e5 7.Nb3 Be6 8.Be3 d5
9.exd5 Nxd5 10.Nxd5 Bxd5 11.c4 Bb4+ 12.Nd2 Be6 13.a3 Be7 14.Nb3 O-O 15.Be2 Bf5
16.Qxd8 Rfxd8 17.O-O Bc2 18.Nd2 f5 19.f4 e4 20.Nb1 Bd3 21.Nc3 Bxe2 22.Nxe2 Rd3
23.Kf2 Rad8 24.Nc1 Rxe3 25.Kxe3 Bc5+ 26.Ke2 Nd4+ 27.Kd2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "6"]
[White "Gorini, Carlos"]
[Black "Rubinetti, Jorge A"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B23"]

1.e4 c5 2.Nc3 Nc6 3.d3 e6 4.g3 d5 5.Bg2 Nf6 6.Nge2 d4 7.Nb1 e5 8.Bg5 Be7
9.Bxf6 Bxf6 10.Nd2 O-O 11.O-O Be7 12.f4 f6 13.f5 Bd7 14.b3 b5 15.g4 Na5 16.Nf3 Qc7
17.c4 bxc4 18.bxc4 Rab8 19.Qd2 Nc6 20.Rfb1 Qa5 21.Qxa5 Nxa5 22.Ne1 Ba4 23.Nc1 Bd6
24.Bf1 Kf7 25.Nb3 Nc6 26.Nd2 Bc7 27.Rxb8 Rxb8 28.Rb1 Rxb1 29.Nxb1 Ba5 30.Kf2 Nb4
31.a3 Nc2 32.Nf3 Ne3 33.Be2 Nxg4+ 34.Kg3 Ne3 35.Kf2 Bc2 36.Nfd2 Ke7 37.h4 Kd6
38.h5 h6 39.Kf3 Kc6 40.Kf2 Kb6 41.Kg1 Bxb1 42.Nxb1 Be1 43.a4 Ka5 44.Na3 Kxa4
45.Nb5 Kb4  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "6"]
[White "Martinez, Carlos"]
[Black "Schmid, Lothar"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B03"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6 cxd6 6.h3 Bf5 7.Nc3 Nc6 8.Be3 e6
9.Nf3 d5 10.cxd5 Nxd5 11.Nxd5 Qxd5 12.a3 Be7 13.Be2 O-O 14.O-O Rfd8 15.Qa4 a6
16.Qc4 Bf6 17.Rfd1 Qxc4 18.Bxc4 Bc2 19.Rd2 Be4 20.Rad1 Bxf3 21.gxf3 Ne7 22.Kf1 Rac8
23.Bd3 Kf8 24.Be4 Nd5 25.Rc2 Rxc2 26.Bxc2 Ke7 27.Ke2 b5 28.Be4 Nb6 29.b3 Nd5
30.Kd3 Kd7 31.Rc1 Be7 32.a4 bxa4 33.bxa4 Rb8 34.Bd2 Rb3+ 35.Kc4 Ra3 36.a5 Ra4+
37.Kd3 Ra3+ 38.Kc4 Kd6 39.Rc2 f5 40.Bd3 Kc6 41.Be2 Bd8 42.Bb4 Ra1 43.Kb3+ Kb7
44.Bf8 Bf6 45.Kc4 Rxa5 46.Bd3 Ra4+ 47.Kc5 Kc7 48.Bd6+ Kd7  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "6"]
[White "Moccero, Eduardo"]
[Black "Reinhardt, Enrique Heinrich"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B09"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.e5 Ne8 7.Bc4 c5 8.O-O cxd4
9.Qxd4 Nc6 10.Qf2 Na5 11.Bd3 Bg4 12.Bd2 Bxf3 13.Qxf3 dxe5 14.fxe5 Bxe5 15.Nd5 Nc6
16.Bh6 Bg7 17.Bxg7 Kxg7 18.Rad1 Nc7 19.Nf4 Qd4+ 20.Rf2 Ne5 21.Qe2 Qxb2 22.Qe4 Rad8
23.c3 Qxc3 24.Rc2 Qa5 25.Rdc1 Nxd3 26.Nxd3 Ne6 27.Nc5 Nxc5 28.Rxc5 Rd1+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "6"]
[White "Paglilla, Carlos"]
[Black "Palazzo, Rafael"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A22"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 d6 4.g3 Be6 5.d4 Nbd7 6.d5 Bg4 7.h3 Bh5 8.Bg2 Be7
9.Qc2 a5 10.b3 Nc5 11.Nd2 Bg6 12.e4 Qd7 13.O-O h5 14.f4 exf4 15.gxf4 h4 16.Ba3 Nh5
17.Rae1 Ng3 18.Rf2 Bf6 19.Bxc5 dxc5 20.f5 Bh5 21.e5 Qe7 22.d6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "6"]
[White "Paradella, Jose"]
[Black "Letelier, Rene"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A65"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O
9.O-O a6 10.a4 Qc7 11.f4 Nbd7 12.Ng3 c4 13.Bc2 Rb8 14.Be3 Nc5 15.h3 b5 16.axb5 axb5
17.Bd4 Re8 18.e5 Nfd7 19.exd6 Qxd6 20.Bxg7 Kxg7 21.Nce4 Nxe4 22.Nxe4 Qb6+
23.Kh2 Nf6 24.Nxf6 Qxf6 25.b3 Bd7 26.Ra7 Rbd8 27.bxc4 bxc4 28.Ba4 Bxa4 29.Rxa4 Re4
30.Qc1 Rc8 31.Qa1 Rd4 32.Ra6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "6"]
[White "Puiggros, Guillermo"]
[Black "Laurencena, Alberto"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C50"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Bc5 5.Nc3 d6 6.Bg5 Na5 7.Bb3 Nxb3 8.axb3 c6
9.d4 exd4 10.Nxd4 h6 11.Bf4 Ng4 12.Bg3 Qf6 13.Nce2 O-O 14.h3 Ne5 15.O-O Re8
16.f4 Ng6 17.Qd3 Bd7 18.Rae1 Rad8 19.Kh2 Bb6 20.c3 c5 21.Nf3 Bc6 22.Nd2 h5
23.f5 Ne5 24.Qc2 h4 25.Bf4 d5 26.exd5 Rxd5 27.Ng1 Nd3 28.Rxe8+ Bxe8 29.Kh1 Qxf5
30.Nc4 Nxf4 31.Qxf5 Rxf5 32.Nd6 Bc6  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "6"]
[White "Rossetto, Hector"]
[Black "Leskovar, Mario"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C15"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd3 c5 5.Bd2 cxd4 6.Nb5 Bxd2+ 7.Qxd2 a6 8.Nxd4 dxe4
9.Bxe4 Nf6 10.Bf3 Qb6 11.O-O-O O-O 12.Qg5 Bd7 13.Nge2 Nc6 14.Nb3 Rac8 15.Kb1 Rfd8
16.Qc5 Qc7 17.Nc3 Ne5 18.Qxc7 Rxc7 19.Be2 Rdc8 20.Rd4 Bc6 21.f3 Nd5 22.Nxd5 Bxd5
23.c3 g5 24.Re1 Ng6 25.g3 Kg7 26.Nd2 b5 27.a4 Rc5 28.axb5 axb5 29.Rb4 Bc6
30.Nb3 Re5 31.Nd4 Be8 32.Rf1 Rcc5 33.f4 gxf4 34.gxf4 Red5 35.Bf3 Rd6 36.Be2 Rdd5
37.Bd3 Kf6 38.Rf2 Rh5 39.Be2 Rhd5 40.Bf3 Rd6 41.Be4 Bd7 42.Kc2 h6 43.Ne2 Ne7
44.Rd4 Rxd4 45.Nxd4 b4 46.Kd3 bxc3 47.bxc3 Bc8 48.Ra2 Rc7 49.Nb5 Rd7+ 50.Ke3 Nd5+
51.Bxd5 Rxd5 52.Nd4 Rc5 53.Kd3  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "7"]
[White "Lopez, Noberto"]
[Black "Agnolin Diaz, Antonio"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C07"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd8 7.O-O Nf6 8.Nb3 Be7
9.Qe2 O-O 10.Rd1 Nc6 11.Nbxd4 Nxd4 12.Nxd4 Qb6 13.c3 a6 14.Bf4 Qc5 15.b4 Qb6
16.a4 Bd7 17.a5 Qa7 18.Bc7 Rac8 19.Bb6 Qb8 20.Rac1 Qf4 21.Bb3 e5 22.Nc2 Rxc3
23.Be3 Qh4 24.Qd2 Rxb3 25.Bg5 Qg4 26.f3 Rxf3 27.Bxf6 Bc6 28.Ne3 Rxe3 29.Rxc6 Bxf6  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "7"]
[White "Garcia, Raimundo"]
[Black "Anelli, Antonio"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A75"]

1.c4 Nf6 2.Nc3 g6 3.Nf3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 c5 7.d5 e6 8.Bf4 exd5
9.cxd5 a6 10.a4 Bg4 11.O-O Re8 12.Qc2 Qc7 13.Rfe1 Nbd7 14.h3 Bxf3 15.Bxf3 Rab8
16.a5 h6 17.Be2 Re7 18.Ra4 Rbe8 19.Rea1 Nh7 20.Bf1 g5 21.Bd2 Nhf8 22.Nd1 Ng6
23.Ne3 Nh4 24.Be2 Ne5 25.Qd1 Qc8 26.g3 Nhg6 27.Nf5 Rd7 28.f4 gxf4 29.gxf4 Nxf4
30.Bxf4 Ng6 31.Bg3 Bxb2 32.R1a2 Bg7 33.Bg4 Bf8 34.Ne3  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "7"]
[White "Laurencena, Alberto"]
[Black "Leskovar, Mario"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B02"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Bc4 e6 6.Nc3 Nxc3 7.dxc3 d6 8.cxd6 cxd6
9.Bf4 dxe5 10.Qxd8+ Kxd8 11.O-O-O+ Ke8 12.Bxe5 Nc6 13.Bg3 Bd7 14.Nf3 Rc8
15.Rhe1 Na5 16.Bf1 a6 17.Kb1 Be7 18.Ne5 Bb5 19.c4 Ba4 20.b3 Bc6 21.Rd3 Bb4
22.Ree3 Ke7  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "7"]
[White "Vallejos, Oscar"]
[Black "Puiggros, Guillermo"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B01"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.b4 Qxb4 5.a4 Qa5 6.Ba3 Nd7 7.Rb1 c6 8.Bc4 Ngf6
9.Nf3 e6 10.Qc1 Bxa3 11.Qxa3 Qc5 12.Qa2 Ne5 13.Nxe5 Qxe5+ 14.Ne2 O-O 15.O-O b6
16.d4 Qc7 17.Rb3 c5 18.dxc5 Qxc5 19.Rb5 Qd6 20.Bd3 Ba6 21.Qb1 Bxb5 22.axb5 Rfd8
23.Ng3 Qd4 24.h3 Nd5 25.Bxh7+ Kh8 26.Ne2 Qe5 27.Bd3 Rac8 28.f4 Qd6 29.Qe1 Qe7
30.f5 exf5 31.Rxf5 g6 32.Qa1+ Kg8 33.Re5 Qc5+ 34.Kh1 Qf2 35.Rg5 Ne3 36.Qa2 Rxd3
37.cxd3 Rc2 38.Qxa7 Rxe2 39.Qb8+ Kh7  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "7"]
[White "Marcussi, Bartolome"]
[Black "Sainz, Tripaga"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C99"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Nc6 14.Nb3 a5 15.Be3 a4
16.Nbd2 Be6 17.d5 Nb4 18.Bb1 Bd7 19.a3 Na6 20.Bd3 Rac8 21.Rc1 Qb8 22.b4 axb3
23.Nxb3 Nc5 24.Nxe5 Be8 25.Ng4 Nxd3 26.Qxd3 Bd7 27.Nxf6+ Bxf6 28.Bd4 Bxd4
29.Nxd4 Qb6 30.Kh2 Qa5 31.Red1 Ra8 32.Rc3 Rfe8 33.Rb3 Rec8 34.Rdb1 g6 35.Nxb5 Bxb5
36.Rxb5 Qxa3 37.Qxa3 Rxa3 38.Rb8 Ra8 39.Rxa8 Rxa8 40.Rb6 Rd8 41.Kg3 Rd7 42.Kf4 f6
43.g4 g5+ 44.Kf5 Kf7 45.f4 gxf4 46.Kxf4 Kg6 47.h4 Kg7 48.Kf5 Kf7 49.Rb8  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "7"]
[White "Rodriguez Vargas, Orestes"]
[Black "Rossetto, Hector"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A67"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ Bd7
9.Be2 O-O 10.Nf3 Re8 11.e5 Ng4 12.h3 Nh6 13.O-O Nf5 14.Ne4 dxe5 15.fxe5 Qb6
16.Bc4 Qb4 17.b3 b5 18.Bd2 Qa3 19.Bd3 c4 20.Bc2 c3 21.Bxc3 Na6 22.Bd2 Nb4
23.g4 Ne7 24.Bxb4 Qxb4 25.a3 Qa5 26.Kg2 b4 27.axb4 Qxb4 28.Nd6 Bxe5 29.Nxe8 Bxa1
30.Nc7 Rc8 31.d6 Nc6 32.Qxa1 Qxd6 33.Nb5 Qc5 34.Na3 h5 35.Qf6 hxg4 36.Bxg6 gxh3+
37.Kh2 Qe7 38.Bxf7+ Qxf7 39.Rg1+ Kf8 40.Qh6+ Ke8 41.Qh8+ Ke7 42.Qh4+ Ke8
43.Ng5 Qf6 44.Nc4 Ne5 45.Re1 Rxc4 46.bxc4 Kd8 47.Nf7+ Kc7 48.Qxf6 Ng4+ 49.Kxh3 Nxf6+
50.Kg3 Kb6 51.Kf4 Kc5 52.Ne5 Be8 53.Ra1 Nd7 54.Ra5+ Kb4 55.Rb5+ Kc3 56.Rd5 Nxe5
57.Rxe5 Bc6 58.Rc5 Bg2 59.Rc8 a5 60.c5 a4 61.c6 a3 62.c7 Bh3 63.Rh8 Bd7 64.Rd8 Be6
65.Ke5 Bg4 66.Rg8 Bd7 67.Ra8 Kb2 68.Rb8+ Kc2  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "7"]
[White "Rubinetti, Jorge A"]
[Black "Paradella, Jose"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A08"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 c5 5.g3 Nc6 6.Bg2 dxe4 7.dxe4 e5 8.O-O Be7
9.Re1 O-O 10.c3 b6 11.Qe2 a5 12.a4 Ba6 13.Nc4 Ne8 14.Bf1 Nd6 15.Nfd2 Bg5
16.Qf3 Nxc4 17.Nxc4 Bxc1 18.Raxc1 Qc7 19.Ne3 Bxf1 20.Kxf1 Ne7 21.Qe2 Rad8
22.Rcd1 Rxd1 23.Rxd1 Rd8 24.Rxd8+ Qxd8 25.Qb5 f6 26.Ke2 Kf8 27.Nc4 Nc8 28.Qc6 Ke7
29.Ne3 Qd7 30.Nf5+ Kd8 31.Qxd7+ Kxd7 32.Nxg7 Nd6 33.f3 c4 34.Nf5 Nb7 35.Ne3 Nc5
36.Nxc4 Kc6 37.Kd2 Nxa4 38.Kc2 Nc5 39.Ne3 b5 40.Nd5 Nd7 41.b4 axb4 42.cxb4 Kd6
43.g4 h6 44.Kc3 h5 45.gxh5  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "7"]
[White "Russo, Oscar"]
[Black "Paglilla, Carlos"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A56"]

1.d4 c5 2.d5 e5 3.c4 d6 4.e4 Nf6 5.Nc3 Be7 6.g3 O-O 7.Bg2 Na6 8.Nge2 Nc7
9.O-O a6 10.a4 b6 11.f4 Nfe8 12.Be3 Rb8 13.b3 Bf6 14.f5 Bd7 15.Qd2 b5 16.axb5 axb5
17.Rfb1 h6 18.Nd1 Rb7 19.Nf2 Qb8 20.Qc1 Bg5 21.Bxg5 hxg5 22.Nc3 f6 23.Nd3 g6
24.fxg6 Kg7 25.Qd1 Rh8 26.Bf3 Qc8 27.Nf2 Kxg6 28.Bg4 Ng7 29.Bxd7 Qxd7 30.Qg4 f5
31.exf5+ Qxf5 32.Qxf5+ Nxf5 33.Nfe4 Rd8 34.Rf1 bxc4 35.bxc4 Ne8 36.Nb5 Ne3
37.Nbxd6 Rb6 38.Rf8 Nxd6 39.Rxd8 Nxe4 40.Re1 Rb3 41.d6 Kf7 42.d7 Ke7 43.Re8+ Kxd7
44.Rxe5 Nxc4 45.R5xe4 Nd2 46.R4e3 c4 47.Rxb3 Nxb3 48.Re4 Na5 49.Re5 Nb3 50.Re4 Na5
51.Kf1 Kd6 52.Ke1 Kd5 53.Re8 Kd4 54.h4 gxh4 55.gxh4 c3 56.Kd1 Nc4 57.h5 Ne3+
58.Rxe3  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "7"]
[White "Schmid, Lothar"]
[Black "Casas, Fernando"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C93"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O
9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.a3 Na5 13.Bc2 exd4 14.cxd4 c5 15.b3 Nc6
16.Bb2 Bb7 17.d5 Ne5 18.Nh2 Ng6 19.Rf1 Nf4 20.Qf3 Ng6 21.Rae1 Bc8 22.Qd1 Nf4
23.Qf3 Ng6 24.Re3 Nh4 25.Qe2 Qe7 26.Qd3 g5 27.f4 Bg7 28.fxg5 hxg5 29.e5 dxe5
30.d6 c4 31.bxc4 Qa7 32.c5 Qxc5 33.Rxf6 Nf5 34.Ng4 Nxe3 35.Nxe3 Bxf6 36.Ne4 Bf5
37.Nxf6+ Kg7 38.Nxe8+ Rxe8 39.Qxf5 Qxe3+ 40.Kh1 Kf8 41.Qf6  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "7"]
[White "Schweber, Samuel"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A07"]

1.e4 c6 2.d3 d5 3.Nd2 g6 4.g3 Bg7 5.Bg2 dxe4 6.dxe4 Nf6 7.Ngf3 O-O 8.O-O h6
9.Qe2 Be6 10.Nc4 Na6 11.Bf4 Nd7 12.Rfd1 Qc8 13.c3 Rd8 14.h4 Bxc4 15.Qxc4 e5
16.Be3 Bf8 17.a4 Nb6 18.Qb3 Rxd1+ 19.Rxd1 Qc7 20.a5 Nd7 21.Bh3 Nac5 22.Qc4 b5
23.axb6 Nxb6 24.Qe2 Re8 25.h5 g5 26.Nh2 Ne6 27.Bf5 Bg7 28.Ng4 Rd8 29.Ra1 c5
30.Qa6 Qc6 31.Kh2 Rb8 32.Qxa7 Ra8 33.Qxb6 Qxb6 34.Rxa8+ Nf8 35.Rc8 Qxb2 36.Bxc5 Qd2
37.Kg2  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Anelli, Antonio"]
[Black "Rossetto, Hector"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A42"]

1.e4 g6 2.d4 Bg7 3.c4 d6 4.Nc3 e6 5.f4 Ne7 6.Nf3 O-O 7.Be2 Nd7 8.O-O b6 9.Be3 Bb7
10.Kh1 h6 11.Qd2 Nf6 12.Bd3 Qd7 13.Rae1 Rad8 14.Qc2 Ng4 15.Bg1 f5 16.exf5 Nxf5
17.Be4 Ba6 18.Bd3 Rde8 19.Qd2 Bb7 20.Bxf5 exf5 21.d5 Ba6 22.b3 Bc8 23.Bd4 Nf6
24.Rxe8 Rxe8 25.Bxf6 Bxf6 26.Re1 a6 27.a4 Kf7 28.Kg1 Re7 29.Kf1 Qe8 30.Rxe7+ Qxe7
31.Nd4 Bd7 32.Qd3 Bg7 33.g3 Qf6 34.Nce2 g5 35.Qf3 Qg6 36.Kf2 Bf6 37.Ke3 g4
38.Qf2 Ke7 39.Kd3 Kd8 40.Qe3 Qf7 41.Kd2 Kc8 42.Kd3 Kb7 43.Kd2 h5 44.Kd3 h4
45.Kd2 Qh7 46.Kd3 hxg3 47.hxg3 Qh1 48.Kd2 Qb1 49.Qd3 Qb2+ 50.Ke1 Qa1+ 51.Kd2 Qb2+
52.Ke1 Qa1+ 53.Kd2  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Abramson, Horacio"]
[Black "Reinhardt, Enrique Heinrich"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B92"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be6 8.a4 Nc6
9.Bg5 Be7 10.O-O O-O 11.Qd2 Rc8 12.Rad1 Nb4 13.Bf3 Bc4 14.Rfe1 h6 15.Be3 a5
16.Be2 Be6 17.f3 b6 18.Bf1 d5 19.exd5 Nfxd5 20.Nxd5 Nxd5 21.c4 Nxe3 22.Qxe3 Qe8
23.Qxe5 Bb4 24.Re3 Qxa4 25.Ra1 Qd7 26.Rd3 Qc6 27.Kh1 Bxc4 28.Nd4 Qg6 29.Re3 Bxf1
30.Rxf1 Bc5 31.f4 Rce8 32.Qxe8 Bxd4 33.Qe7 Bxe3 34.Qxe3 Rd8 35.h3 Qd3 36.Qf3 b5
37.Qf2 a4 38.Ra1 Re8 39.Qb6 Re2 40.Qb7 Rxb2 41.Re1 Rb1 42.Rxb1 Qxb1+ 43.Kh2 a3
44.Qa8+ Kh7 45.Qxa3 Qe4 46.Qb3 Qc4 47.Qb1+ g6 48.f5 Qf4+ 49.Kg1 Qxf5 50.Qb4 Qd5  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Sadi, Cesar"]
[Black "Fernandez, Roman"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C60"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Nc3 Nge7 6.d3 O-O 7.Bg5 Qe8 8.Qd2 a6
9.Ba4 b5 10.Bb3 Na5 11.Bh6 Nxb3 12.axb3 d6 13.h3 f5 14.Bxg7 Kxg7 15.d4 fxe4
16.Nxe4 d5 17.Nc5 e4 18.Ng5 Nf5 19.Rfe1 h6 20.Nf3 Qe7 21.Ne5 Nh4 22.Qe3 g5
23.b4 Ng6 24.Nxg6 Kxg6 25.f3 Rf4 26.fxe4 dxe4 27.Rf1 Rxf1+ 28.Rxf1 a5 29.Ra1 a4
30.Rf1 h5 31.Nd3 Bb7 32.Ne5+ Kh6 33.Rf7 Qe6 34.h4 Rg8 35.hxg5+ Rxg5 36.Qf4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Carrazoni, Horacio"]
[Black "Borghi, Humberto"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A03"]

1.f4 Nf6 2.e3 d5 3.b3 Bf5 4.Bb2 e6 5.Nf3 Nbd7 6.Be2 Bc5 7.O-O Qe7 8.Nc3 h6
9.Na4 Bd6 10.c4 g5 11.Ne5 Bxe5 12.fxe5 Ng8 13.Rxf5 exf5 14.e6 Ndf6 15.exf7+ Kxf7
16.Bh5+ Kf8 17.Qc1 Kg7 18.cxd5 b6 19.Qc2 Qd7 20.Rf1 Rf8 21.Rxf5 Qd6 22.Rxg5+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Casas, Fernando"]
[Black "Trois, Francisco RT"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E94"]

1.d4 Nf6 2.c4 d6 3.Nc3 g6 4.e4 Bg7 5.Be2 O-O 6.Nf3 e5 7.d5 a5 8.O-O Nbd7
9.Bg5 h6 10.Bh4 Nc5 11.Qc2 g5 12.Bg3 Nh5 13.Ne1 Nf4 14.Nd3 Ncxd3 15.Bxd3 f5
16.Bxf4 exf4 17.exf5 g4 18.Rfe1 Be5 19.Rad1 Qh4 20.Nb5 Rf7 21.c5 f3 22.Rxe5 dxe5
23.d6 e4 24.Bxe4 c6 25.Nc7 Rb8 26.Qc4 Bd7 27.Bc2 fxg2 28.Bb3 Rf8 29.Qe4 a4
30.Bc4 Kh8 31.Bxf7 Rxf7 32.Ne6 Qf6 33.Qd4 Kh7 34.Qxf6 Rxf6 35.Nd4 Kg8 36.Kxg2 Kf8
37.Kg3 Ke8 38.Kf4 Kd8 39.Ke5 Rf7 40.Ne6+ Kc8 41.Rd4 h5 42.Rxa4 Kb8 43.h3 gxh3
44.Rh4  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Leskovar, Mario"]
[Black "Garcia, Horacio"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B93"]

1.Nf3 c5 2.e4 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Qc7 8.Bd3 g6
9.O-O Bg7 10.Kh1 Nbd7 11.Qe1 O-O 12.fxe5 dxe5 13.Qh4 b5 14.Bh6 Bb7 15.Ng5 Rae8
16.g4 b4 17.Ne2 Bc6 18.Ng3 Qb7 19.Rf3 a5 20.Rg1 Bh8 21.h3 a4 22.b3 axb3 23.axb3 Bg7
24.Kh2 Kh8 25.Rgf1 Kg8 26.Bc4 Bb5 27.Bxg7 Kxg7 28.Bd5 Bc6 29.Rxf6 Nxf6 30.Rxf6 Bxd5
31.exd5 h6 32.N5e4 Qxd5 33.Rd6 Qb7 34.Nf5+ Kg8 35.Nf6+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Martinez, Carlos"]
[Black "Casas, Ernesto"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C30"]

1.e4 e5 2.f4 Qe7 3.Nf3 exf4 4.Nc3 c6 5.d4 g5 6.Bd3 g4 7.Bxf4 gxf3 8.Qxf3 Bg7
9.Bxb8 Bxd4 10.Bf4 d5 11.O-O-O Bxc3 12.exd5 Bxb2+ 13.Kxb2 Qb4+ 14.Kc1 Ne7
15.d6 Qa3+ 16.Kd2 Ng6 17.Rde1+ Be6 18.Rxe6+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Paradella, Jose"]
[Black "Laurencena, Alberto"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D94"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.cxd5 Nxd5 7.Bd2 c5 8.Be2 Nc6
9.Nxd5 Qxd5 10.Bc3 cxd4 11.exd4 Rd8 12.O-O Nxd4 13.Nxd4 Bxd4 14.Bf3 Qc5 15.Bxd4 Rxd4
16.Qe2 Be6 17.Bxb7 Rad8 18.Rfd1 Qb4 19.Rxd4 Rxd4 20.Qe5 Qxb2 21.Re1 Rd2 22.Qb8+ Kg7
23.Qg3 Re2  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Puiggros, Guillermo"]
[Black "Letelier, Rene"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B49"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nc3 e6 6.Be2 Nf6 7.Be3 a6 8.Nxc6 bxc6
9.f4 Rb8 10.O-O d5 11.Bd4 Nxe4 12.Nxe4 dxe4 13.Bc4 Qa5 14.Kh1 Qf5 15.Qe2 Ra8
16.g4 Qg6 17.f5 exf5 18.gxf5 Bxf5 19.Rxf5 Qxf5 20.Rf1 Qd7 21.Qxe4+ Be7 22.Bxf7+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Rubinetti, Jorge A"]
[Black "Schmid, Lothar"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A11"]

1.Nf3 Nf6 2.g3 d5 3.c4 g6 4.b3 Bg7 5.Bb2 c6 6.Bg2 O-O 7.O-O b6 8.d3 Bb7 9.Nbd2 c5
10.e3 Nc6 11.Ne5 Nxe5 12.Bxe5 Qd7 13.Qe2 Rad8 14.Rfd1 Ne8 15.Bxg7 Nxg7 16.Nf3 Qc7
17.cxd5 Bxd5 18.d4 Bxf3 19.Bxf3 cxd4 20.Rac1 Qb8 21.exd4 e6 22.Qe5 Rd6 23.Rc6 Rfd8
24.Rxd6 Qxd6 25.Qxd6 Rxd6 26.Be4 Kf8 27.f4 Ne8 28.Kf2 Nf6 29.Bf3 Rd7 30.Ke2 Ke7
31.a3 h6 32.h4 Rd8 33.Kd3 Rc8 34.Kd2 Rg8 35.Rc1 Kd7 36.Ke3 g5 37.hxg5 hxg5
38.b4 g4 39.Bg2 Rh8 40.Rh1 Rc8 41.Kd3 Ke7 42.Kd2 a5 43.bxa5 bxa5 44.Rb1 Nh5
45.Rb5 Nxg3 46.Rxa5 Nf5 47.Ra7+ Kf8  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "8"]
[White "Silva Nazzari, Hector"]
[Black "Cristobal, Ruben"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A29"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.g3 Bb4 5.Nd5 Nxd5 6.cxd5 e4 7.dxc6 exf3 8.Qb3 Qe7
9.a3 fxe2 10.Bg2 Bc5 11.cxb7 Bxb7 12.Qxb7 O-O 13.Qe4 Qf6 14.Qf4 Qa6 15.Bxa8 Rxa8
16.Qe4 Rb8 17.Qxe2 Qc6 18.O-O  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "9"]
[White "Garcia, Raimundo"]
[Black "Casas, Fernando"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A11"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 Bf5 4.c4 c6 5.cxd5 cxd5 6.Qb3 Qb6 7.Qxb6 axb6 8.Nc3 e6
9.Nb5 Ra5 10.Nbd4 Be4 11.d3 Bb4+ 12.Kf1 Bxf3 13.Bxf3 Nc6 14.Nb3 Ra8 15.Be3 Nd7
16.Kg2 Ke7 17.Rhc1 Rhc8 18.a3 Bd6 19.Kf1  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "9"]
[White "Anelli, Antonio"]
[Black "Sainz, Tripaga"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A14"]

1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.b3 O-O 7.Bb2 c5 8.e3 d5 9.Qe2 Nc6
10.Nc3 Rc8 11.Rac1 d4 12.exd4 cxd4 13.Nb1 d3 14.Qd1 Qc7 15.Nc3 Rcd8 16.a3 Rfe8
17.b4 a5 18.b5 Ne5 19.Nxe5 Bxg2 20.Kxg2 Qxe5 21.Na4 Qc7 22.Re1  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "9"]
[White "Bademian, Jose"]
[Black "Buscio, Jorge"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "C12"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 g6
9.Bd3 Nxd2 10.Kxd2 c5 11.h4 c4 12.Bxg6 fxg6 13.Qxg6+ Kd7 14.Ne2 Qg8 15.Qf6 Qf8
16.g4 Nc6 17.Nf4 Qxf6 18.exf6 Rg8 19.Rag1 Kd6 20.g5 hxg5 21.hxg5 Bd7 22.f7 Rgb8
23.g6 Ke7 24.g7 Kxf7 25.g8=Q+ Rxg8 26.Rh7+ Kf6 27.Nh5+  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "9"]
[White "Schmid, Lothar"]
[Black "Marcussi, Bartolome"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A29"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.g3 Bb4 5.Bg2 O-O 6.O-O e4 7.Ng5 Bxc3 8.bxc3 Re8
9.f3 exf3 10.Nxf3 Qe7 11.e3 d6 12.Nd4 Nxd4 13.cxd4 Bg4 14.Qb3 Rab8 15.Rf4 Qd7
16.Bb2 Bh3 17.Bh1 b5 18.d5  1/2-1/2

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "9"]
[White "Laurencena, Alberto"]
[Black "Rubinetti, Jorge A"]
[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 h6
9.Bh4 Qc7 10.O-O-O Nbd7 11.Be2 g5 12.fxg5 Ne5 13.Qf2 Nfg4 14.Bxg4 Nxg4 15.Qg3 hxg5
16.Qxg4 Rxh4 17.Qg3 Qc5 18.Rhf1 Bd7 19.Kb1 Rh7 20.h4 O-O-O 21.h5 Qe5 22.Qf2 g4
23.Nb3 Kb8 24.Qb6 Rc8 25.Na5 Bc6 26.Nc4 Qh2 27.Qd4 f6 28.Rh1 Qf4 29.a4 Qg5
30.Qb6 Qc5 31.Qxc5 dxc5 32.Ne3 Rg8 33.Rdf1 Rg5 34.Rf4 g3 35.h6 Rg6 36.Rg4 Rhxh6
37.Rxh6 Rxh6 38.Rxg3 Rh7 39.Rg6 Kc7 40.Ng4 Be8 41.Rh6 Rxh6 42.Nxh6 b5 43.axb5 axb5
44.Ng4 Kd6 45.Kc1 Bc6 46.Nf2 b4 47.Ne2 Ke5 48.Kd2 Bxe4 49.Ng4+ Kf5 50.Ne3+ Kg5
51.c3 f5 52.g3 e5 53.Nc4 Kf6 54.Ke3 Ke6 55.Kf2 Bg5 56.cxb4 cxb4 57.Ne3 Be7
58.Nc1 Bc5 59.Ke2 Bd4 60.Na2 b3 61.Nc1 Bxb2 62.Nxb3 Ba3 63.Nd2 Bc6 64.Nf3 Be7
65.Nc2 Bb5+ 66.Ke3 Bc5+ 67.Kd2 Bf2 68.Ne3 Bxg3 69.Ng5+ Kf6 70.Nh7+ Kg6 71.Nf8+ Kf7
72.Nxf5 Bf4+  0-1

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "9"]
[White "Letelier, Rene"]
[Black "Alfaro, Luis"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A29"]

1.g3 e5 2.c4 Nf6 3.Bg2 d5 4.cxd5 Nxd5 5.Nc3 Nxc3 6.bxc3 Bc5 7.Nf3 Nc6 8.O-O O-O
9.Bb2 e4 10.Ne1 Bf5 11.d4 exd3 12.exd3 Qf6 13.d4 Rad8 14.Nc2 Rfe8 15.Ne3 Bb6
16.Qf3 Be4 17.Qxf6 gxf6 18.Rfe1 Bxg2 19.Kxg2 Kg7 20.a4 Kg6 21.g4 a6 22.Rad1 Ne7
23.Ba3 Ng8 24.Kf3 Ba5 25.Rc1 c6 26.h4 b5 27.h5+ Kg7 28.Nf5+ Kh8 29.Rxe8 Rxe8
30.axb5 axb5 31.h6 Bc7 32.c4 Ra8 33.Bb4 Ra4 34.Bf8 Nxh6 35.Bxh6 bxc4 36.Re1 Ra3+
37.Kg2 Ra8 38.Re7 Bb6 39.Rxf7 Rg8 40.Bg7+ Rxg7 41.Rxg7  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "9"]
[White "Lopez, Noberto"]
[Black "Reboratti, Justo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B20"]

1.e4 c5 2.Ne2 d6 3.g3 Nc6 4.Bg2 Nf6 5.c3 Bd7 6.d4 cxd4 7.cxd4 Qb6 8.Nbc3 e6
9.O-O e5 10.Be3 Qa6 11.h3 Be7 12.f4 O-O 13.dxe5 dxe5 14.Nd5 Nxd5 15.exd5 Nd4
16.Nxd4 exd4 17.Bxd4 Bb5 18.Re1 Bb4 19.Qg4 Qg6 20.Qxg6 hxg6 21.Re4 Rfe8 22.a3 Rxe4
23.Bxe4 Bd6 24.Kf2 Re8 25.Re1 a5 26.Re3 Bd7 27.h4 f5 28.Bc2 Rxe3 29.Kxe3 a4
30.Bb6 Kf7 31.Kd4 Bb5 32.Bc5 Ke7 33.h5 gxh5 34.Bxf5 Be8 35.Bd3 Bd7 36.Be2 Be8
37.Bd1 b5 38.Be2 h4 39.gxh4 Bd7 40.Bd3 Be8 41.Bf1 Bd7 42.Be2  1-0

[Event "Mar del Plata op"]
[Site "Mar del Plata"]
[Date "1973.??.??"]
[Round "9"]
[White "Rossetto, Hector"]
[Black "Buj, Pablo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D01"]

1.d4 Nf6 2.Nc3 d5 3.Bg5 Bf5 4.e3 e6 5.Bd3 Bxd3 6.cxd3 Be7 7.Qb3 Qc8 8.Rc1 O-O
9.Nf3 c6 10.O-O Na6 11.e4 Re8 12.Bxf6 Bxf6 13.exd5 cxd5 14.Nxd5 Qd7 15.Nxf6+ gxf6
16.Rfe1 Rad8 17.Re4 Qd5 18.Qa4 Qd7 19.Qa5 Qd5 20.Qd2 Kh8 21.Rf4 Kg7 22.Rg4+ Kf8
23.Qh6+ Ke7 24.Rf4 f5 25.Qh4+ f6 26.Qxh7+ Kf8 27.Nh4  1-0
