[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "1"]
[White "Sanguineti, Raul"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[WhiteElo "2505"]
[BlackElo "2410"]
[ECO "E90"]
[EventDate "1977.09.06"]
[PlyCount "87"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 Nd7 5.Be3 e5 6.Nf3 Ngf6 7.d5 O-O 8.h3 a5 9.
Bd3 b6 10.Bc2 Nc5 11.a3 Bd7 12.Nd2 Nh5 13.b4 axb4 14.axb4 Na6 15.Rb1 Nf4 
16.Kf1 f5 17.g3 fxe4 18.Ndxe4 Bxh3+ 19.Rxh3 Nxh3 20.Qg4 Qc8 21.Qxc8 Raxc8 
22.Bd1 h5 23.Kg2 Nf4+ 24.gxf4 exf4 25.Bd2 Bh6 26.Nb5 Rce8 27.Nbc3 Nb8 28.
Ra1 Nd7 29.Ra7 Nf6 30.Nxf6+ Rxf6 31.Kf1 Rf7 32.Bc2 Kh7 33.Ne4 Ref8 34.f3 
Kg8 35.c5 bxc5 36.bxc5 Rd8 37.Ba5 Bf8 38.Bxc7 Rdd7 39.cxd6 Bxd6 40.Ra8+ 
Bf8 41.d6 Rxc7 42.Nf6+ Kh8 43.dxc7 Rxc7 44.Rxf8+ 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "1"]
[White "Najdorf, Miguel"]
[Black "Benko, Francisco"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2290"]
[ECO "E14"]
[EventDate "1977.09.06"]
[PlyCount "94"]

1.Nf3 Nf6 2.d4 b6 3.c4 e6 4.e3 Bb7 5.Bd3 Be7 6.O-O O-O 7.b3 Be4 8.Be2 d6 
9.Bb2 Bb7 10.Nc3 Nbd7 11.Qc2 d5 12.Rad1 dxc4 13.bxc4 Bb4 14.Bd3 Qe7 15.e4 
Nh5 16.Ne2 f5 17.exf5 Bxf3 18.gxf3 exf5 19.Bxf5 Qg5+ 20.Ng3 Ndf6 21.Bc1 
Qh4 22.Be6+ Kh8 23.Qf5 h6 24.Qh3 Qxh3 25.Bxh3 Bd6 26.Rfe1 Rae8 27.Bf5 Rd8 
28.Bc2 Bb4 29.Re6 Nxg3 30.hxg3 Rfe8 31.Rxe8+ Rxe8 32.Be3 Bf8 33.Kg2 g5 34.
Bf5 Kg7 35.f4 g4 36.d5 h5 37.Be6 Bc5 38.Bxc5 bxc5 39.Rb1 Ne4 40.Rb7 Kf6 
41.Rxc7 Rb8 42.Rf7+ Kg6 43.f5+ Kg5 44.d6 Nxd6 45.Rxa7 Rb2 46.f6 Kxf6 47.
Bg8 Nf5 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "1"]
[White "Panno, Oscar"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2445"]
[ECO "E90"]
[EventDate "1977.09.06"]
[PlyCount "127"]

1.Nf3 g6 2.d4 Bg7 3.e4 c6 4.c4 d6 5.Nc3 Nf6 6.h3 O-O 7.Be3 a6 8.Bd3 b5 9.
b3 Qa5 10.Bd2 Qc7 11.Rc1 b4 12.Ne2 c5 13.d5 a5 14.a4 e6 15.Be3 Re8 16.Ng3 
Nbd7 17.O-O Ba6 18.Rc2 Nf8 19.Re1 N6d7 20.Kh2 Qb6 21.Rce2 exd5 22.exd5 Nf6
23.Ng5 Qc7 24.f4 Re7 25.Nh1 Rae8 26.Nf2 Bc8 27.g4 h6 28.Nf3 N6d7 29.Bd2 
Rxe2 30.Rxe2 Qd8 31.Kg3 Nh7 32.Qe1 Kf8 33.Rxe8+ Qxe8 34.Qxe8+ Kxe8 35.h4 
Ndf6 36.h5 Nf8 37.hxg6 Nxg6 38.Ne1 Ng8 39.Ng2 Bd4 40.Ne3 Nf6 41.Be2 Ke7 
42.Bf3 Bd7 43.Ne4 Nxe4+ 44.Bxe4 Nf8 45.Nf5+ Bxf5 46.Bxf5 Kf6 47.Kh4 Kg7 
48.Kh5 Bf6 49.Be1 Ng6 50.Bg3 Bh4 51.Bh2 Bf6 52.Be4 Bd4 53.g5 hxg5 54.Bxg6 
fxg6+ 55.Kxg5 Bf6+ 56.Kg4 Be7 57.f5 Bf8 58.Bg3 Be7 59.Bf4 Kf7 60.fxg6+ 
Kxg6 61.Bg3 Kg7 62.Kf5 Kf7 63.Bf4 Bf8 64.Bg5 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "1"]
[White "Garcia, Raimundo"]
[Black "Seidler, Aldo Emilio"]
[Result "1-0"]
[WhiteElo "2435"]
[ECO "C00"]
[EventDate "1977.09.06"]
[PlyCount "133"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.O-O Nf6 5.d3 e6 6.Nbd2 Be7 7.e4 O-O 8.Re1 a6 
9.e5 Ne8 10.Nf1 f6 11.Bf4 fxe5 12.Nxe5 Bf6 13.Nd2 Nxe5 14.Bxe5 Bxe5 15.
Rxe5 Qf6 16.f4 Nd6 17.c3 Bd7 18.Nf3 Rae8 19.Re2 Nf7 20.Ne5 Nxe5 21.Rxe5 
Qd8 22.Qe2 g6 23.Re1 Rf5 24.c4 Rxe5 25.Qxe5 dxc4 26.dxc4 Qb6 27.Rd1 Bc8 
28.h4 Kf7 29.h5 Rd8 30.hxg6+ hxg6 31.Rxd8 Qxd8 32.Qxc5 b6 33.Qe3 Qd1+ 34.
Kf2 Bd7 35.Bf3 Qa4 36.Qd2 Ke7 37.b3 Qa3 38.Be4 Be8 39.Kf3 a5 40.Qd4 Qxa2 
41.Qxb6 Qa1 42.Qc5+ Kf7 43.Qc7+ Kg8 44.Kg4 Qd1+ 45.Kg5 Qxb3 46.Kf6 Qc3+ 
47.Ke7 Qg7+ 48.Kd8 Qxc7+ 49.Kxc7 a4 50.Kd6 a3 51.Bb1 Kf7 52.g4 g5 53.fxg5 
Ba4 54.c5 Bd1 55.c6 Bxg4 56.c7 e5 57.Kxe5 Bc8 58.Kd6 Kg7 59.Kc5 Kf7 60.Kb4
a2 61.Bxa2+ Kg6 62.Kc5 Kxg5 63.Kd6 Kf6 64.Bd5 Bg4 65.Bc6 Bc8 66.Bd7 Ba6 
67.Kc6 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "1"]
[White "Rubinetti, Jorge Alberto"]
[Black "Cuasnicu, Oscar"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2400"]
[ECO "E88"]
[EventDate "1977.09.06"]
[PlyCount "102"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6 8.Bd3 Na6 9.
Nge2 Bd7 10.a3 Ne8 11.O-O c5 12.Ng3 Qe7 13.Qd2 Kh8 14.Rab1 b6 15.Bc2 Rd8 
16.Ba4 Bc8 17.b4 f5 18.exf5 gxf5 19.Bg5 Bf6 20.Bxf6+ Nxf6 21.Bc2 f4 22.
Nge4 Nxe4 23.Bxe4 Rg8 24.Rf2 Rg5 25.Kf1 Rdg8 26.Ke1 Bd7 27.Kd1 Qg7 28.g4 
fxg3 29.hxg3 Rxg3 30.Kc2 Rh3 31.Kb3 Qh6 32.Nb5 cxb4 33.axb4 Qxd2 34.Rxd2 
Bxb5 35.cxb5 Nc7 36.Ka4 Ne8 37.Rc1 Nf6 38.Rc6 Rg1 39.Ra2 Nxe4 40.fxe4 Rb1 
41.Ra3 Rh6 42.Rg3 Rg6 43.Rxg6 hxg6 44.Rxd6 Kg7 45.Re6 g5 46.Rxe5 Kg6 47.d6
Rd1 48.Re6+ Kf7 49.Re7+ Kf8 50.Re5 Rxd6 51.Rxg5 Rd3 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "1"]
[White "Amado, Claudio"]
[Black "Szmetan, Jorge"]
[Result "1/2-1/2"]
[WhiteElo "2310"]
[BlackElo "2435"]
[ECO "A43"]
[EventDate "1977.09.06"]
[PlyCount "140"]

1.d4 c5 2.d5 Nf6 3.Nc3 d6 4.e4 Na6 5.Nf3 Nc7 6.a4 e6 7.dxe6 Bxe6 8.Bf4 Be7
9.Be2 O-O 10.O-O Qd7 11.Ng5 Rfd8 12.Nxe6 Nxe6 13.Be3 Nc7 14.Bc4 Nxe4 15.
Nxe4 d5 16.Nxc5 Bxc5 17.Bxc5 dxc4 18.Qxd7 Rxd7 19.Rfd1 Rad8 20.Rxd7 Rxd7 
21.Bxa7 Rd2 22.Rc1 Nd5 23.Kf1 c3 24.Ke1 cxb2 25.Kxd2 bxc1=Q+ 26.Kxc1 Kf8 
27.Kd2 Ke7 28.g3 Kd6 29.Bd4 g6 30.Kd3 f5 31.Kc4 Kc6 32.h4 Nc7 33.Be3 b5+ 
34.axb5+ Nxb5 35.Bf4 Na3+ 36.Kd3 Kd5 37.Bh6 Nc4 38.Bg7 h5 39.Bc3 Na3 40.
Bf6 Nc4 41.Bg7 Na3 42.Bf6 Nc4 43.f3 Na3 44.Bg7 Nc4 45.Bf6 Na3 46.c3 Nc4 
47.Bd4 Na3 48.Ke3 Nc4+ 49.Kf4 Ke6 50.Kg5 Kf7 51.g4 fxg4 52.fxg4 hxg4 53.
Kxg4 Nd6 54.Kf4 Ke6 55.Bf2 Kd5 56.Bb6 Ke6 57.Bc5 Nc4 58.Ke4 Nd2+ 59.Kd3 
Nf3 60.Bf2 Kf5 61.Ke3 Kg4 62.c4 Ne5 63.c5 Kf5 64.Kd4 Ke6 65.Ke4 Nc6 66.Bd4
Nb4 67.Bc3 Nc6 68.Kf4 Ne7 69.Kg5 Kf7 70.Bf6 Nc6 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "2"]
[White "Seidler, Aldo Emilio"]
[Black "Amado, Claudio"]
[Result "1-0"]
[ECO "C84"]
[EventDate "1977.09.06"]
[PlyCount "66"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Nc3 Be7 6.d3 b5 7.Bb3 d6 8.h3 Na5 
9.O-O O-O 10.Bd2 Nxb3 11.axb3 Bb7 12.Re1 Nd7 13.Nd5 f5 14.c4 Nc5 15.Bb4 
fxe4 16.dxe4 Ne6 17.Qd3 Kh8 18.Re3 Bg5 19.Nxg5 Qxg5 20.Rg3 Qd8 21.Qd1 Bxd5
22.cxd5 Nf4 23.Bd2 Qf6 24.b4 Rf7 25.Bxf4 exf4 26.Rc3 h6 27.f3 Qg5 28.Rc6 
Rf6 29.Qd2 Kh7 30.Rxc7 Rg6 31.Qf2 Re8 32.Rxa6 Re5 33.Ra8 Qh5 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "2"]
[White "Szmetan, Jorge"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2525"]
[ECO "B42"]
[EventDate "1977.09.06"]
[PlyCount "70"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d5 7.e5 Ng8 8.Nd2 Nc6
9.N2f3 Nge7 10.Re1 Ng6 11.Bg5 Qc7 12.Qe2 h6 13.Bd2 Bc5 14.c3 Bd7 15.h4 
Nge7 16.h5 Ba7 17.b4 Bxd4 18.cxd4 Qb6 19.Qe3 Nf5 20.Bxf5 exf5 21.Rec1 O-O 
22.Rc5 Ne7 23.Rac1 Rfc8 24.Ne1 Qd8 25.Nd3 b6 26.R5c3 Rxc3 27.Rxc3 Rc8 28.
Nf4 Rxc3 29.Qxc3 Qc8 30.Qxc8+ Bxc8 31.a4 g5 32.hxg6 fxg6 33.b5 axb5 34.
axb5 g5 35.Bb4 gxf4 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "2"]
[White "Cuasnicu, Oscar"]
[Black "Benko, Francisco"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2290"]
[ECO "C01"]
[EventDate "1977.09.06"]
[PlyCount "95"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d3 Nf6 6.d4 d5 7.Bd3 Bg4 8.h3 Bh5
9.Bg5 Be7 10.Nbd2 Nc6 11.c3 Ne4 12.Bxe7 Qxe7 13.O-O O-O-O 14.Re1 f5 15.Qa4
Kb8 16.Bb5 Bxf3 17.Nxf3 Rd6 18.Bxc6 Rxc6 19.Ne5 Re6 20.f3 Nf6 21.Re2 Re8 
22.Rae1 Qd6 23.Nf7 Rxe2 24.Rxe2 Qf8 25.Ne5 Rd8 26.b4 Ka8 27.Qa5 Rc8 28.Nd3
Kb8 29.Re5 g6 30.Nc5 c6 31.Qa3 b6 32.Nd3 Nd7 33.Re6 Re8 34.Rxe8+ Qxe8 35.
Kf2 g5 36.Qc1 f4 37.h4 h6 38.Qe1 Qxe1+ 39.Kxe1 Kc7 40.hxg5 hxg5 41.Kf2 Nf8
42.g3 Ne6 43.gxf4 gxf4 44.Kg2 c5 45.bxc5 bxc5 46.dxc5 Kc6 47.Kh3 Nxc5 48.
Nxf4 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "2"]
[White "Schweber, Samuel"]
[Black "Garcia, Raimundo"]
[Result "1/2-1/2"]
[WhiteElo "2445"]
[BlackElo "2435"]
[ECO "A31"]
[EventDate "1977.09.06"]
[PlyCount "57"]

1.e4 c5 2.Nf3 b6 3.c4 Bb7 4.Nc3 d6 5.d4 cxd4 6.Nxd4 Nf6 7.f3 e6 8.Bg5 Be7 
9.Qa4+ Nbd7 10.Rd1 O-O 11.Bd3 a6 12.Qc2 d5 13.exd5 exd5 14.Nf5 Bc5 15.cxd5
Re8+ 16.Kf1 g6 17.Nh6+ Kg7 18.Ne4 Nxd5 19.Nxf7 Qxg5 20.Nfxg5 Ne3+ 21.Ke2 
Nxc2 22.Bxc2 Nf6 23.Kd2 Rac8 24.Nxf6 Be3+ 25.Kd3 Kxf6 26.Ne4+ Bxe4+ 27.
fxe4 Bh6 28.Bb3 Ke5 29.Bd5 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "2"]
[White "Rossetto, Hector Decio"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2550"]
[ECO "A38"]
[EventDate "1977.09.06"]
[PlyCount "29"]

1.Nf3 Nf6 2.b3 g6 3.Bb2 Bg7 4.g3 d6 5.Bg2 e5 6.d3 O-O 7.O-O c5 8.c4 Nc6 9.
Nc3 Rb8 10.Qd2 h6 11.Ne1 Qa5 12.Nc2 Nd4 13.e3 Nxc2 14.Qxc2 Be6 15.Rfd1 
1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "2"]
[White "Rubinetti, Jorge Alberto"]
[Black "Sanguineti, Raul"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2505"]
[ECO "E49"]
[EventDate "1977.09.06"]
[PlyCount "84"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 exd5 8.e3 
O-O 9.Bd3 b6 10.Ne2 Ba6 11.Bxa6 Nxa6 12.O-O Nb8 13.Ng3 Nc6 14.Ra2 Qd7 15.
Re2 cxd4 16.cxd4 Rac8 17.Bb2 Rfd8 18.Kh1 Na5 19.e4 Nc4 20.e5 Nxb2 21.Rxb2 
Ne8 22.f4 f5 23.exf6 Nxf6 24.f5 Rc4 25.Rb3 Qa4 26.Rd3 Qxd1 27.Rfxd1 Rdc8 
28.h3 Rc2 29.Kh2 Rf2 30.R1d2 Rxd2 31.Rxd2 Rc3 32.Ra2 Rd3 33.Ne2 Ne4 34.a4 
Nd6 35.a5 b5 36.Rc2 Nc4 37.Nc3 Na3 38.Rc1 Rxd4 39.Nxd5 Rxd5 40.Rc8+ Kf7 
41.Rc7+ Kf6 42.Rxa7 b4 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "3"]
[White "Sanguineti, Raul"]
[Black "Cuasnicu, Oscar"]
[Result "1-0"]
[WhiteElo "2505"]
[BlackElo "2400"]
[ECO "D41"]
[EventDate "1977.09.06"]
[PlyCount "91"]

1.Nf3 Nf6 2.c4 c5 3.Nc3 e6 4.g3 Be7 5.Bg2 O-O 6.O-O d5 7.cxd5 Nxd5 8.d4 
Nc6 9.Nxd5 exd5 10.Be3 c4 11.Ne5 f6 12.Nxc6 bxc6 13.b3 Ba6 14.bxc4 Bxc4 
15.Qc2 Qc8 16.Be4 f5 17.Bd3 Bxd3 18.Qxd3 Bd6 19.Bf4 Bxf4 20.gxf4 Rf6 21.
Rfb1 Rb8 22.Qe3 Rb6 23.Qe7 Qe6 24.Qxe6+ Rxe6 25.e3 Kf7 26.Rb3 Re7 27.Rc1 
Reb7 28.Rxc6 Ke7 29.Rbc3 Kd7 30.R6c5 Kd6 31.Ra5 Rc6 32.Rca3 Rcc7 33.Kg2 
Ke6 34.Ra6+ Ke7 35.R3a5 Rd7 36.Rc6 Rb6 37.Ra6 Rxc6 38.Rxc6 Rb7 39.Ra6 Kd7 
40.h4 Kc7 41.a4 Kd7 42.h5 Ke7 43.Kg3 h6 44.Rg6 Kd8 45.Rd6+ Rd7 46.Rxd7+ 
1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "3"]
[White "Najdorf, Miguel"]
[Black "Seidler, Aldo Emilio"]
[Result "1-0"]
[WhiteElo "2525"]
[ECO "A71"]
[EventDate "1977.09.06"]
[PlyCount "75"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5 O-O 
9.Nd2 a6 10.a4 Nbd7 11.Be2 Qc7 12.O-O Re8 13.h3 Rb8 14.Kh1 Nf8 15.f4 h6 
16.Bh4 N6h7 17.f5 g5 18.Bg3 Bxc3 19.bxc3 b5 20.axb5 axb5 21.e5 dxe5 22.Ne4
Nd7 23.f6 Rb6 24.d6 Qd8 25.Ra8 Ra6 26.Rxc8 Qxc8 27.Bxb5 Re6 28.Bxd7 Qxd7 
29.Nxc5 Qxd6 30.Nxa6 Qxa6 31.Qd8+ Nf8 32.Rb1 e4 33.Rd1 Qa4 34.Rd4 Qe8 35.
Qc7 e3 36.Rd8 Qc6 37.Qe7 Rxe7 38.fxe7 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "3"]
[White "Panno, Oscar"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2420"]
[ECO "E61"]
[EventDate "1977.09.06"]
[PlyCount "98"]

1.d4 Nf6 2.c4 g6 3.g3 c5 4.d5 Bg7 5.Nc3 O-O 6.Bg2 d6 7.Nh3 Na6 8.O-O Nc7 
9.a4 Rb8 10.Nf4 b6 11.Bd2 a6 12.Rb1 b5 13.axb5 axb5 14.b4 cxb4 15.Rxb4 Bd7
16.cxb5 Nxb5 17.Nxb5 Rxb5 18.Rxb5 Bxb5 19.Qb3 Bd7 20.Nd3 Qa8 21.Nb4 Qb7 
22.h3 Rb8 23.Qe3 Qb6 24.Qxb6 Rxb6 25.Ra1 Rb8 26.Nc6 Re8 27.Ra7 Kf8 28.e4 
Rc8 29.e5 dxe5 30.Nxe5 Be8 31.Bb4 Ng8 32.Nc6 Bf6 33.Bf3 h5 34.g4 hxg4 35.
hxg4 g5 36.Kg2 Kg7 37.Nxe7 Nxe7 38.Bxe7 Bxe7 39.Rxe7 Kf6 40.Re3 Rd8 41.Kg3
Bb5 42.Rc3 Rd6 43.Rc5 Bd7 44.Be4 Ke5 45.f3 f6 46.Rc7 f5 47.gxf5 Bxf5 48.
Re7+ Kf6 49.Re8 Bd7 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "3"]
[White "Benko, Francisco"]
[Black "Szmetan, Jorge"]
[Result "1-0"]
[WhiteElo "2290"]
[BlackElo "2435"]
[ECO "B09"]
[EventDate "1977.09.06"]
[PlyCount "92"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nf6 5.Nf3 c5 6.dxc5 Qa5 7.Qd2 Qxc5 8.Bd3 
O-O 9.Qf2 Qxf2+ 10.Kxf2 Nc6 11.Bd2 a6 12.Nd5 Nxd5 13.exd5 Nd4 14.Rhe1 Nxf3
15.Kxf3 Bxb2 16.Rab1 Bf6 17.Rb6 Rb8 18.g4 h6 19.Re4 Bd7 20.Reb4 Rfc8 21.
Rxb7 Rxb7 22.Rxb7 Bb5 23.g5 hxg5 24.fxg5 Be5 25.Ke2 Rc5 26.h3 Bxd3+ 27.
cxd3 Rc2 28.Kd1 Rxa2 29.Rxe7 Ra1+ 30.Kc2 Ra2+ 31.Kd1 a5 32.Be3 a4 33.Re8+ 
Kg7 34.d4 Bg3 35.Ra8 Bf2 36.Bf4 Bxd4 37.Bxd6 Bc3 38.Bf4 Rf2 39.Rxa4 f6 40.
Be3 Rf5 41.Ra7+ Kg8 42.d6 Rd5+ 43.Kc2 Be5 44.d7 Kf8 45.Bb6 Bd4 46.Ra8+ 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "3"]
[White "Garcia, Raimundo"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2410"]
[ECO "A42"]
[EventDate "1977.09.06"]
[PlyCount "55"]

1.c4 g6 2.d4 Bg7 3.e4 d6 4.Nc3 e6 5.Be3 Nd7 6.Qd2 c6 7.Bd3 a6 8.Nge2 Qc7 
9.f4 f5 10.e5 Ne7 11.O-O O-O 12.c5 dxc5 13.dxc5 Rd8 14.Rfd1 Nd5 15.Nxd5 
exd5 16.Rac1 Nf8 17.Nd4 Ne6 18.Rc3 Nxd4 19.Bxd4 Be6 20.Re1 Rd7 21.Ra3 Bf8 
22.Qa5 Be7 23.Qxc7 Rxc7 24.Rf1 Rf8 25.g3 Bd8 26.Bc2 Rg7 27.Raf3 Be7 28.Rb3
1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "3"]
[White "Amado, Claudio"]
[Black "Schweber, Samuel"]
[Result "0-1"]
[BlackElo "2445"]
[ECO "D20"]
[EventDate "1977.09.06"]
[PlyCount "92"]

1.d4 e6 2.c4 d5 3.Nc3 dxc4 4.e4 a6 5.Bxc4 b5 6.Bb3 c5 7.Nf3 c4 8.Bc2 Nd7 
9.O-O Bb7 10.e5 Nb6 11.Ne4 Nd5 12.Qe2 Qc7 13.Bg5 Qc6 14.Rac1 Nb4 15.Bb1 
Nd3 16.Nd6+ Bxd6 17.Bxd3 Be7 18.Qd2 Qd7 19.Be2 Bd5 20.Qe3 h6 21.Bf4 Bb4 
22.Bd1 Ne7 23.Bc2 Qb7 24.a3 Ba5 25.b4 Bb6 26.Nd2 Nf5 27.Bxf5 exf5 28.h4 
Bxg2 29.Rfd1 Bd5 30.Nb1 g5 31.Bh2 f4 32.Qh3 Qd7 33.e6 Bxe6 34.Qf3 Qd5 35.
Qe2 f3 36.Qe3 Qf5 37.Qe5 Qh3 38.Qg3 gxh4 39.Qxh3 Bxh3 40.Re1+ Kd7 41.Be5 
Rhg8+ 42.Kh2 Bf5 43.Nc3 Rg2+ 44.Kh1 Rxf2 45.Nd5 Bd8 46.Bf4 Re2 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "4"]
[White "Szmetan, Jorge"]
[Black "Cuasnicu, Oscar"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2400"]
[ECO "D18"]
[EventDate "1977.09.06"]
[PlyCount "26"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O
9.Bd2 a5 10.h3 h6 11.Qe2 Bh7 12.Bd3 Bxd3 13.Qxd3 Nbd7 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "4"]
[White "Seidler, Aldo Emilio"]
[Black "Benko, Francisco"]
[Result "1/2-1/2"]
[BlackElo "2290"]
[ECO "C48"]
[EventDate "1977.09.06"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Bb5 Nd4 5.Ba4 Bc5 6.d3 Qe7 7.O-O c6 8.Nxd4 
Bxd4 9.Qf3 a5 10.a3 b5 11.Bb3 a4 12.Ba2 d6 13.h3 h6 14.Ne2 Ba7 15.d4 O-O 
16.dxe5 dxe5 17.Ng3 Nh7 18.Rd1 Be6 19.Be3 Bxe3 20.Qxe3 Rad8 21.Bxe6 Qxe6 
22.Rd3 Rxd3 23.Qxd3 g6 24.Rd1 Re8 25.Nf1 Nf8 26.Ne3 h5 27.c4 Rb8 28.cxb5 
Rxb5 29.Rd2 Kg7 30.Nd5 Rb7 31.Nc3 Rd7 32.Qc2 Rxd2 33.Qxd2 Qb3 34.Qd6 Qxb2 
35.Qxe5+ Kg8 36.Qc5 Qc1+ 37.Kh2 Ne6 38.Qxc6 Qf4+ 39.Kg1 Qc1+ 40.Kh2 Qf4+ 
1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "4"]
[White "Schweber, Samuel"]
[Black "Najdorf, Miguel"]
[Result "1-0"]
[WhiteElo "2445"]
[BlackElo "2525"]
[ECO "B83"]
[EventDate "1977.09.06"]
[PlyCount "39"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 Nc6 7.Be2 Be7 8.f4 
O-O 9.O-O Bd7 10.Nb3 a5 11.a4 Nb4 12.Bf3 e5 13.Rf2 Bc6 14.Rd2 exf4 15.Bxf4
Qb6+ 16.Kh1 Rad8 17.Nd4 g6 18.Be3 Qc7 19.Ndb5 Qb8 20.Bb6 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "4"]
[White "Sanguineti, Raul"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[BlackElo "2550"]
[ECO "A30"]
[EventDate "1977.09.06"]
[PlyCount "35"]

1.Nf3 Nf6 2.c4 b6 3.g3 c5 4.Bg2 Bb7 5.O-O g6 6.b3 Bg7 7.Bb2 O-O 8.Nc3 d5 
9.Nxd5 Nxd5 10.Bxg7 Kxg7 11.cxd5 Qxd5 12.d4 cxd4 13.Nh4 Qd7 14.Bxb7 Qxb7 
15.Qxd4+ Kg8 16.Rfd1 Nc6 17.Qe4 Rfd8 18.Nf3 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "4"]
[White "Rubinetti, Jorge Alberto"]
[Black "Garcia, Raimundo"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2435"]
[ECO "B50"]
[EventDate "1977.09.06"]
[PlyCount "123"]

1.e4 c5 2.Nf3 d6 3.b4 cxb4 4.d4 d5 5.exd5 Nf6 6.a3 Qxd5 7.axb4 e5 8.Nxe5 
Bxb4+ 9.c3 Bd6 10.Nc4 O-O 11.Ne3 Qc6 12.Be2 Qc7 13.h3 Nc6 14.Na3 Qd8 15.
Nac4 Bb8 16.Qb3 Bc7 17.Bf3 Rb8 18.d5 Ne5 19.Nxe5 Bxe5 20.Rxa7 b5 21.O-O 
Qb6 22.Ra2 Nd7 23.Ba3 Re8 24.Qb4 Ra8 25.Rb1 Bd6 26.Qxd6 Qxd6 27.Bxd6 Rxa2 
28.Rxb5 Ra1+ 29.Kh2 Ba6 30.Rb2 Rc1 31.c4 Bxc4 32.Rb7 Nf6 33.Rc7 Bxd5 34.
Rxc1 Bxf3 35.gxf3 h5 36.Rg1 Re6 37.Bb4 Nh7 38.Bc3 f6 39.f4 Re4 40.Nd5 Kf7 
41.Kg2 Ke6 42.Rd1 g5 43.fxg5 fxg5 44.Ne3 Nf8 45.Rb1 Kd7 46.Rb7+ Kc6 47.Rb4
Rxb4 48.Bxb4 Ng6 49.Kg3 Kd7 50.Bd2 Ne5 51.Nd5 h4+ 52.Kg2 Ke6 53.Ne3 Nd3 
54.Ng4 Kf5 55.Nh2 Nc5 56.Nf3 Ne4 57.Bxg5 Nxg5 58.Nxg5 Kxg5 59.Kf3 Kf5 60.
Ke3 Ke5 61.f4+ Ke6 62.Ke4 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "4"]
[White "Rossetto, Hector Decio"]
[Black "Amado, Claudio"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[ECO "A07"]
[EventDate "1977.09.06"]
[PlyCount "88"]

1.Nf3 d5 2.g3 g6 3.Bg2 Bg7 4.O-O e5 5.d3 Ne7 6.Nbd2 O-O 7.e4 Nbc6 8.c3 a5 
9.Re1 a4 10.Qc2 Re8 11.Nf1 h6 12.Bd2 Be6 13.b4 axb3 14.axb3 Rxa1 15.Rxa1 
f5 16.b4 fxe4 17.dxe4 dxe4 18.Ne1 Bf5 19.Bxe4 Bxe4 20.Qxe4 Qd5 21.Qxd5+ 
Nxd5 22.b5 Nce7 23.Ra7 Rb8 24.c4 Nb6 25.Ne3 e4 26.N1c2 Kf7 27.Kf1 Nec8 28.
Ra2 Ra8 29.Rxa8 Nxa8 30.Ke2 c6 31.bxc6 bxc6 32.Nb4 Ne7 33.c5 Nc7 34.Nc4 
Ncd5 35.Nd6+ Ke6 36.Nxe4 Nxb4 37.Bxb4 Kd5 38.Kd3 Nf5 39.Bd2 Nd4 40.Nc3+ 
Ke6 41.Be3 Nf3 42.Ke4 Nxh2 43.Ne2 Ng4 44.Bd4 Bf8 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "5"]
[White "Panno, Oscar"]
[Black "Cuasnicu, Oscar"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2400"]
[ECO "E08"]
[EventDate "1977.09.06"]
[PlyCount "105"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.d4 c6 7.b3 b6 8.Qc2 Bb7 9.
Rd1 Nbd7 10.Nc3 Bb4 11.Bb2 Rc8 12.a3 Bxc3 13.Bxc3 Ne4 14.Bb2 f5 15.Ne1 h5 
16.f3 Nd6 17.Nd3 h4 18.Nf4 hxg3 19.hxg3 Qg5 20.Kf2 Nf6 21.Rh1 c5 22.dxc5 
e5 23.Bxe5 Nde4+ 24.fxe4 Ng4+ 25.Kg1 Nxe5 26.Qc3 d4 27.Qxd4 Qf6 28.Qd6 
fxe4 29.Qxf6 Rxf6 30.Rh5 Re8 31.Nd5 Rg6 32.Bxe4 Rxg3+ 33.Kh2 Ng4+ 34.Kxg3 
Rxe4 35.cxb6 axb6 36.Rah1 Nh6 37.Kf3 Re6 38.e4 Nf7 39.R5h2 Ng5+ 40.Kf4 
Nxe4 41.Rh8+ Kf7 42.Rb8 Nd6 43.Rhh8 Re4+ 44.Kf3 Rd4 45.Rhf8+ Ke6 46.Rfd8 
Bxd5+ 47.cxd5+ Ke7 48.Rxb6 Kxd8 49.Rxd6+ Kc7 50.Ke3 Rd1 51.Rc6+ Kb7 52.Ke4
g5 53.Rc3 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "5"]
[White "Najdorf, Miguel"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2410"]
[ECO "E06"]
[EventDate "1977.09.06"]
[PlyCount "93"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 Be7 5.g3 O-O 6.Bg2 dxc4 7.Ne5 c5 8.dxc5 
Qc7 9.Nxc4 Rd8 10.Qc2 Qxc5 11.b3 Nc6 12.Ba3 Nb4 13.Qb2 Rb8 14.O-O Bd7 15.
Rac1 Bc6 16.Bxb4 Qxb4 17.Bxc6 bxc6 18.Ne5 Rdc8 19.Rc2 Ng4 20.Nxg4 Qxg4 21.
Qc1 h5 22.Qf4 Qxf4 23.gxf4 Rb4 24.e3 g5 25.fxg5 Rg4+ 26.Kh1 Rxg5 27.Ne4 
Re5 28.Nd2 Rd5 29.Nf3 c5 30.Rc4 Rcd8 31.Ra4 R8d7 32.e4 Rd1 33.Rxd1 Rxd1+ 
34.Kg2 Rd7 35.Ne5 Rd4 36.Nc6 Rxa4 37.bxa4 Kf8 38.Nxa7 c4 39.Nb5 Ke8 40.a5 
Kd7 41.a6 Kc6 42.a7 Kb7 43.Kf1 h4 44.h3 Bc5 45.Ke2 Ka8 46.f3 Bxa7 47.Nxa7 
1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "5"]
[White "Garcia, Raimundo"]
[Black "Sanguineti, Raul"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2505"]
[ECO "A16"]
[EventDate "1977.09.06"]
[PlyCount "136"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 g6 4.c4 Bg7 5.cxd5 Nxd5 6.Nc3 O-O 7.O-O Nc6 8.Nxd5
Qxd5 9.d3 Qb5 10.a4 Qh5 11.Bf4 Bg4 12.Qb3 e5 13.Be3 Rab8 14.Rac1 Be6 15.
Qa3 Rfd8 16.b4 a6 17.Rfe1 Bd5 18.Nd2 Bxg2 19.Kxg2 Bf8 20.Bc5 Bh6 21.Be3 
Bxe3 22.fxe3 Qg5 23.b5 axb5 24.axb5 Nd4 25.exd4 Qxd2 26.dxe5 Rd7 27.Qc3 
Qxc3 28.Rxc3 Re8 29.Rec1 Rxe5 30.Rxc7 Rxe2+ 31.Kf3 Ree7 32.Rxd7 Rxd7 33.
Ke4 Re7+ 34.Kd4 Rd7+ 35.Ke3 Re7+ 36.Kd4 Rd7+ 37.Ke3 Rd5 38.Rb1 Kf8 39.Ke4 
Rh5 40.Rb2 Ke7 41.Kd4 Kd6 42.Rf2 Rd5+ 43.Kc4 Rc5+ 44.Kb4 f5 45.Rf4 Rd5 46.
Kc4 Rc5+ 47.Kb4 Rc2 48.Rd4+ Ke6 49.Rh4 Rc7 50.b6 Rd7 51.Kc3 Kd5 52.Rc4 h6 
53.Rc7 Ke6 54.Rc4 Rd6 55.Rh4 Rc6+ 56.Kd2 h5 57.Rb4 Kd5 58.Rb5+ Rc5 59.Rb2 
Kc6 60.Ke3 Rb5 61.Rxb5 Kxb5 62.Kf4 Kxb6 63.Ke5 Kc7 64.Ke6 b5 65.Ke7 Kc6 
66.Ke6 Kc5 67.Ke5 b4 68.d4+ Kb6 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "5"]
[White "Benko, Francisco"]
[Black "Schweber, Samuel"]
[Result "0-1"]
[WhiteElo "2290"]
[BlackElo "2445"]
[ECO "B22"]
[EventDate "1977.09.06"]
[PlyCount "90"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 Nc6 6.Be2 e6 7.O-O cxd4 8.cxd4 
Be7 9.Nc3 Qd6 10.a3 a6 11.b4 O-O 12.h3 Rd8 13.Qc2 b5 14.Be3 Bb7 15.Rfd1 
Rac8 16.Qb3 Qb8 17.Ng5 h6 18.Nge4 Nxe4 19.Nxe4 Nxd4 20.Bxd4 Bxe4 21.Qe3 
Qb7 22.Qg3 Rxd4 23.Rxd4 Bf6 24.Rad1 Bxd4 25.Rxd4 Bd5 26.Rg4 f5 27.Rd4 Qc7 
28.Kh2 Qxg3+ 29.Kxg3 Rc2 30.Bf3 Rc3 31.Kf4 Bxf3 32.gxf3 Rxa3 33.Ke5 Rxf3 
34.Kxe6 Rxf2 35.h4 Kh7 36.Kf7 Rg2 37.Rd6 f4 38.Rxa6 f3 39.Ra3 Rg3 40.Ra2 
Rh3 41.Rf2 Rxh4 42.Rxf3 Rxb4 43.Kf8 Rg4 44.Rf5 Rg5 45.Rf7 h5 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "5"]
[White "Amado, Claudio"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1/2-1/2"]
[BlackElo "2420"]
[ECO "A71"]
[EventDate "1977.09.06"]
[PlyCount "111"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5 h6 
9.Bh4 g5 10.Bg3 Nh5 11.Bb5+ Kf8 12.e5 Nxg3 13.fxg3 dxe5 14.O-O a6 15.Bd3 
b5 16.Qe2 c4 17.Bc2 Nd7 18.Rad1 Bb7 19.Bf5 Qb6+ 20.Kh1 Rd8 21.d6 Nf6 22.
Qxe5 Kg8 23.d7 Nxd7 24.Qd6 Qxd6 25.Rxd6 Bc8 26.Rfd1 Nf8 27.Rxd8 Bxf5 28.
Nd4 Bd3 29.a3 h5 30.Rd6 Rh6 31.Rxh6 Bxh6 32.Nc6 Nd7 33.a4 Bg7 34.Nb4 Nc5 
35.axb5 axb5 36.Ra1 Bg6 37.Ra5 Na4 38.Nxa4 bxa4 39.Rxa4 Bxb2 40.Ra8+ Kg7 
41.Rc8 c3 42.Kg1 Ba3 43.Na2 c2 44.Kf1 Bf5 45.Rc7 Kf6 46.Ke2 Ke6 47.Kd2 Be4
48.Rxc2 Bxc2 49.Kxc2 Bc5 50.Nc3 Bb6 51.h3 Kf5 52.Kd3 Bf2 53.Ne4 Be1 54.
Nd6+ Ke6 55.Ne4 g4 56.Ke2 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "6"]
[White "Sanguineti, Raul"]
[Black "Amado, Claudio"]
[Result "1/2-1/2"]
[WhiteElo "2505"]
[ECO "D30"]
[EventDate "1977.09.06"]
[PlyCount "68"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.d4 e6 5.O-O Nf6 6.c4 Be7 7.cxd5 exd5 8.dxc5 
Bxc5 9.Nbd2 O-O 10.Nb3 Bb6 11.Nbd4 Re8 12.b3 Nxd4 13.Nxd4 Bxd4 14.Qxd4 
Rxe2 15.Bg5 Bf5 16.Rfe1 Rxe1+ 17.Rxe1 Be6 18.Rd1 h6 19.Bxf6 Qxf6 20.Qxf6 
gxf6 21.Bxd5 Bxd5 22.Rxd5 Rc8 23.Rd7 Rc2 24.a3 Ra2 25.a4 b6 26.g4 Rb2 27.
Rd3 Kg7 28.Kg2 Kg6 29.Rf3 Rd2 30.Rc3 Rd4 31.h3 Rb4 32.Rf3 a5 33.Kf1 b5 34.
axb5 Rxb5 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "6"]
[White "Rubinetti, Jorge Alberto"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2525"]
[ECO "B80"]
[EventDate "1977.09.06"]
[PlyCount "92"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g3 Be7 7.Bg2 O-O 8.O-O 
Nc6 9.b3 Nxd4 10.Qxd4 Qa5 11.Bb2 Bd7 12.a4 Rac8 13.Rad1 Rfd8 14.Rfe1 b6 
15.Qd3 a6 16.Ra1 Ng4 17.h3 Ne5 18.Qd2 Qc5 19.Re3 b5 20.axb5 axb5 21.f4 Ng6
22.Rc1 b4 23.Ne2 e5 24.Kh2 Qb6 25.Rf3 Bc6 26.f5 Nf8 27.Rd3 Nd7 28.c4 Nc5 
29.Qe3 Qb7 30.Rd5 Bxd5 31.exd5 Bf6 32.Be4 Qe7 33.Rf1 Bg5 34.Qf3 Ra8 35.Nc1
Ra7 36.Rf2 h5 37.h4 Bxh4 38.Bc2 e4 39.Qxh5 Bf6 40.Bxf6 Qxf6 41.Rf4 Qh6 42.
Qxh6 gxh6 43.Kg2 Ra1 44.Rf1 Kg7 45.Kf2 Kf6 46.Ke3 Rg8 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "6"]
[White "Rossetto, Hector Decio"]
[Black "Benko, Francisco"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2290"]
[ECO "A07"]
[EventDate "1977.09.06"]
[PlyCount "97"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.O-O Bf5 5.d3 e6 6.Nbd2 Nbd7 7.Qe1 h6 8.e4 
dxe4 9.dxe4 Bh7 10.Qe2 Qc7 11.a3 a5 12.b3 Bc5 13.Bb2 O-O 14.Ne1 Ne5 15.Nc4
Ned7 16.Nd3 Be7 17.Kh1 Bg6 18.f4 Nc5 19.Nxc5 Bxc5 20.g4 Rad8 21.e5 Nd5 22.
f5 Bh7 23.Rf3 Ne7 24.Raf1 Nc8 25.Rh3 b5 26.Nd2 Bd4 27.Bxd4 Rxd4 28.fxe6 
Rdd8 29.g5 fxe6 30.gxh6 Rxf1+ 31.Nxf1 Bf5 32.Rg3 g6 33.Rc3 Ne7 34.Qxb5 Rd1
35.Qe2 Qd7 36.Rg3 Kh7 37.h3 Rc1 38.c4 Qd4 39.Kh2 Rc2 40.Qe3 c5 41.Qg5 Ng8 
42.h4 Rf2 43.h5 Qe4 44.Ne3 Nxh6 45.Nxf5 Qxf5 46.hxg6+ Kg8 47.Qxh6 Rxg2+ 
48.Kxg2 Qe4+ 49.Rf3 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "6"]
[White "Panno, Oscar"]
[Black "Garcia, Raimundo"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2435"]
[ECO "A57"]
[EventDate "1977.09.06"]
[PlyCount "79"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 g6 6.Nc3 Bg7 7.Nf3 d6 8.a4 O-O 9.
Ra3 e6 10.Bc4 axb5 11.Nxb5 exd5 12.Bxd5 Nxd5 13.Qxd5 Ra6 14.O-O Be6 15.Qd3
d5 16.Qc2 Rc6 17.Rd1 Qb6 18.Ng5 Bf5 19.e4 dxe4 20.Nxe4 Na6 21.Re3 Re6 22.
Qc4 Rd8 23.Rxd8+ Qxd8 24.Ned6 Bd4 25.Nxf5 Bxe3 26.Nxe3 Nb4 27.h3 Nd3 28.b3
h5 29.Nf1 Nxc1 30.Qxc1 Qd3 31.Nc3 f5 32.Ne3 f4 33.Ned5 g5 34.h4 Re5 35.
hxg5 f3 36.Nf6+ Kf7 37.Nxh5 Rf5 38.Ng3 fxg2 39.Nxf5 Qxf5 40.Qe3 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "6"]
[White "Cuasnicu, Oscar"]
[Black "Seidler, Aldo Emilio"]
[Result "1-0"]
[WhiteElo "2400"]
[ECO "B88"]
[EventDate "1977.09.06"]
[PlyCount "85"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 Qc7 8.O-O 
Nc6 9.Kh1 Be7 10.f4 Na5 11.f5 e5 12.Nf3 Nxb3 13.axb3 h6 14.Nd2 Qc6 15.Nc4 
b5 16.Na5 Qc7 17.Nd5 Nxd5 18.Qxd5 Rb8 19.b4 Bd7 20.Ra3 Qxc2 21.Rg3 Qe2 22.
Rg1 Kf8 23.Rc3 h5 24.Rc7 Be8 25.Rxe7 Kxe7 26.Bg5+ f6 27.Qe6+ Kf8 28.Qxd6+ 
Kf7 29.Qxb8 fxg5 30.Qxe5 Rh6 31.Nb7 Qd2 32.Qc7+ Kg8 33.Qb8 Kf8 34.Nc5 h4 
35.Ne6+ Kf7 36.Qc7+ Bd7 37.Nxg5+ Qxg5 38.Qxd7+ Kg8 39.e5 Qf4 40.f6 Rg6 41.
Qe8+ Kh7 42.f7 Rxg2 43.Qg8+ 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "7"]
[White "Amado, Claudio"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[BlackElo "2550"]
[ECO "E15"]
[EventDate "1977.09.06"]
[PlyCount "64"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4 c6 6.Nc3 Be7 7.Bg2 O-O 8.Bf4 Bb7 
9.O-O d5 10.Ne5 a6 11.Rfc1 b5 12.cxb5 cxb5 13.Qd1 Nfd7 14.Nxd7 Nxd7 15.a4 
b4 16.Bc7 Qe8 17.Nb1 a5 18.Nd2 Ra6 19.Nb3 Qa8 20.e3 Bd8 21.Bf1 Rc6 22.Bxd8
Rxd8 23.Bb5 Rxc1 24.Rxc1 Nb6 25.Nc5 Rc8 26.b3 h6 27.Rc2 Rc7 28.Nxe6 Rxc2 
29.Qxc2 fxe6 30.Qc7 Nc4 31.bxc4 dxc4 32.Bxc4 Bd5 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "7"]
[White "Seidler, Aldo Emilio"]
[Black "Schweber, Samuel"]
[Result "0-1"]
[BlackElo "2445"]
[ECO "C18"]
[EventDate "1977.09.06"]
[PlyCount "32"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 Ne7 6.Qg4 O-O 7.e5 c5 8.Bg5 
Qa5 9.Bxe7 Qxc3+ 10.Ke2 Nc6 11.Rc1 Nxe7 12.Nf3 Nc6 13.h4 f6 14.exf6 Rxf6 
15.dxc5 e5 16.Qg3 Rxf3 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "7"]
[White "Najdorf, Miguel"]
[Black "Sanguineti, Raul"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2505"]
[ECO "A37"]
[EventDate "1977.09.06"]
[PlyCount "30"]

1.c4 c5 2.Nc3 g6 3.g3 Bg7 4.Bg2 Nc6 5.Nf3 d6 6.O-O e5 7.a3 a5 8.d3 Nge7 9.
Rb1 O-O 10.Ne1 Be6 11.Nd5 Rb8 12.a4 Nb4 13.Nxe7+ Qxe7 14.Nc2 Nxc2 15.Qxc2 
Qd7 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "7"]
[White "Garcia, Raimundo"]
[Black "Cuasnicu, Oscar"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[BlackElo "2400"]
[ECO "D55"]
[EventDate "1977.09.06"]
[PlyCount "94"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 Be7 5.Bg5 O-O 6.e3 Ne4 7.Bxe7 Qxe7 8.Bd3 
Nxc3 9.bxc3 Nc6 10.cxd5 exd5 11.Qc2 h6 12.Rb1 Rb8 13.O-O Bg4 14.Nd2 Rfd8 
15.Rfe1 Qa3 16.Bb5 Ne7 17.Bd3 Nc6 18.e4 dxe4 19.Nxe4 b6 20.Bc4 Qf8 21.a4 
Ne7 22.Nf6+ gxf6 23.Rxe7 Qxe7 24.Qg6+ Kf8 25.Qxh6+ Kg8 26.Qg6+ Kf8 27.Qxg4
f5 28.Qxf5 Rd6 29.g3 Rc6 30.Qd3 Rd8 31.Kf1 Rh6 32.Re1 Qd7 33.h4 Qxa4 34.
Kg2 Qc6+ 35.d5 Qg6 36.Qe3 Kg8 37.Qe7 Qd6 38.Qg5+ Rg6 39.Qh5 b5 40.Re6 Rxe6
41.dxe6 bxc4 42.Qxf7+ Kh8 43.Qf6+ Kg8 44.Qg6+ Kh8 45.Qh6+ Kg8 46.Qg5+ Kh7 
47.Qf5+ Kh8 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "7"]
[White "Benko, Francisco"]
[Black "Rubinetti, Jorge Alberto"]
[Result "0-1"]
[WhiteElo "2290"]
[BlackElo "2420"]
[ECO "B07"]
[EventDate "1977.09.06"]
[PlyCount "106"]

1.e4 e5 2.d4 d6 3.dxe5 dxe5 4.Qxd8+ Kxd8 5.Nf3 f6 6.Be3 Be6 7.Nbd2 Nd7 8.
Bc4 Bxc4 9.Nxc4 c6 10.O-O-O Kc7 11.Rd2 b6 12.Rhd1 Rd8 13.c3 Be7 14.a4 Nh6 
15.Bxh6 gxh6 16.Nh4 Nc5 17.Rxd8 Rxd8 18.Nf5 Rxd1+ 19.Kxd1 Bf8 20.f3 Nxa4 
21.Kc2 Nc5 22.h4 Ne6 23.Nce3 a5 24.g3 h5 25.Ng2 b5 26.Nge3 a4 27.g4 Nf4 
28.gxh5 Nxh5 29.Ng4 Kd7 30.Nge3 Ke6 31.Kd3 Nf4+ 32.Kc2 Bc5 33.Kd2 Kf7 34.
Ng4 Kg6 35.Kc2 Bf8 36.Nge3 Nh3 37.Ng4 h5 38.Nh2 Bc5 39.Nf1 Kf7 40.N1g3 Nf4
41.Nf1 Ng2 42.N1g3 Kg6 43.Kd2 Bf2 44.Ne7+ Kf7 45.Ngf5 c5 46.Nd5 b4 47.cxb4
cxb4 48.Ke2 Bc5 49.Kd3 a3 50.bxa3 bxa3 51.Kc3 Bf2 52.Kb3 Nxh4 53.Nh6+ Kg7 
0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "8"]
[White "Sanguineti, Raul"]
[Black "Benko, Francisco"]
[Result "1-0"]
[WhiteElo "2505"]
[BlackElo "2290"]
[ECO "D78"]
[EventDate "1977.09.06"]
[PlyCount "91"]

1.Nf3 d5 2.g3 g6 3.Bg2 Bg7 4.d4 c6 5.O-O Nd7 6.Nbd2 Ngf6 7.c4 e6 8.Qc2 O-O
9.e4 dxe4 10.Nxe4 Nxe4 11.Qxe4 Re8 12.Rd1 Qa5 13.Qh4 Qh5 14.Qxh5 gxh5 15.
Bf4 e5 16.d5 c5 17.Ng5 Bf8 18.d6 Bh6 19.Bd5 Bxg5 20.Bxg5 Rb8 21.a4 Kg7 22.
Bf3 Nf8 23.Bxh5 Bd7 24.Rd5 b6 25.Be7 Ng6 26.Bxg6 hxg6 27.a5 Rb7 28.axb6 
axb6 29.Rxe5 Bc6 30.f3 Bd7 31.g4 f6 32.Re3 Reb8 33.g5 fxg5 34.Bxg5 Re8 35.
Be7 Kf7 36.Kf2 Be6 37.b3 Bd7 38.h4 Reb8 39.Re5 Rc8 40.Rae1 Ra7 41.Bg5 Re8 
42.Re7+ Rxe7 43.Rxe7+ Kg8 44.Kg3 Rb7 45.Kf4 Kf8 46.Ke5 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "8"]
[White "Rossetto, Hector Decio"]
[Black "Seidler, Aldo Emilio"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[ECO "C00"]
[EventDate "1977.09.06"]
[PlyCount "104"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.O-O Nf6 5.d3 e6 6.Nbd2 Be7 7.e4 O-O 8.Re1 a6 
9.c3 Bd7 10.Nf1 Rc8 11.e5 Ne8 12.c4 Nc7 13.h4 f5 14.Bf4 Be8 15.a3 Nd4 16.
Nxd4 cxd4 17.Rc1 Bc6 18.Nd2 dxc4 19.dxc4 Bxg2 20.Kxg2 Qd7 21.Nf3 Rfd8 22.
Re2 Qc6 23.Rd2 h6 24.h5 Qe8 25.Nxd4 Bg5 26.Qf3 Bxf4 27.gxf4 Nb5 28.Rcd1 
Rxc4 29.Nxf5 Rxd2 30.Rxd2 Qf8 31.Qb3 Rc6 32.Nh4 Qe8 33.Ng6 b6 34.f5 Nc7 
35.Rd6 Rxd6 36.exd6 Qc6+ 37.Qf3 Qxd6 38.f6 gxf6 39.Qxf6 Qd5+ 40.Kg3 Qg5+ 
41.Qxg5 hxg5 42.Kg4 Nb5 43.Kxg5 Nd6 44.f3 Nc4 45.Kf6 Nxb2 46.Kxe6 Nc4 47.
f4 Nxa3 48.f5 Nb5 49.Ne7+ Kh7 50.f6 Nd4+ 51.Kd7 Nf3 52.Ke8 Ng5 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "8"]
[White "Panno, Oscar"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2525"]
[ECO "B38"]
[EventDate "1977.09.06"]
[PlyCount "31"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.d4 c5 6.Be2 cxd4 7.Nxd4 Nc6 8.Be3 
d6 9.O-O Bd7 10.Rc1 Nxd4 11.Bxd4 Bc6 12.f3 Nd7 13.Be3 a6 14.Qd2 Re8 15.b3 
a5 16.Rfd1 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "8"]
[White "Garcia, Raimundo"]
[Black "Amado, Claudio"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[ECO "D34"]
[EventDate "1977.09.06"]
[PlyCount "35"]

1.c4 e6 2.Nf3 d5 3.d4 c5 4.cxd5 exd5 5.g3 Nc6 6.Bg2 Nf6 7.O-O Be7 8.Nc3 
O-O 9.b3 Bg4 10.dxc5 Bxc5 11.Bb2 Re8 12.Na4 Be7 13.Rc1 Rc8 14.a3 Ne4 15.h3
Bh5 16.b4 Bf6 17.Bxf6 Nxf6 18.Nc5 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "8"]
[White "Cuasnicu, Oscar"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2445"]
[ECO "C42"]
[EventDate "1977.09.06"]
[PlyCount "24"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 Qe7 6.d3 Nf6 7.Bg5 Qxe2+ 8.
Bxe2 Be7 9.Nc3 c6 10.O-O-O Na6 11.Rhe1 Nc7 12.Ne4 Nxe4 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "9"]
[White "Seidler, Aldo Emilio"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1/2-1/2"]
[BlackElo "2420"]
[ECO "C41"]
[EventDate "1977.09.06"]
[PlyCount "125"]

1.e4 e5 2.Nf3 d6 3.Bc4 Be7 4.d4 exd4 5.Nxd4 Nf6 6.Nc3 O-O 7.O-O Nxe4 8.
Nxe4 d5 9.Bd3 dxe4 10.Bxe4 Nd7 11.c3 Nc5 12.Bc2 Ne6 13.Nf5 Bg5 14.Qf3 Bxc1
15.Raxc1 Qf6 16.Qg3 Rd8 17.Rcd1 Bd7 18.Nd4 Nf4 19.Rfe1 c5 20.Ne2 Ne6 21.
Be4 Bb5 22.Qe3 Rxd1 23.Rxd1 Rd8 24.Re1 b6 25.Ng3 g6 26.Bc2 Qf4 27.Qxf4 
Nxf4 28.Rd1 Rxd1+ 29.Bxd1 f5 30.Nf1 Kg7 31.Ne3 Bc6 32.Bc2 Kf6 33.g3 Nh3+ 
34.Kf1 f4 35.Nc4 Bb5 36.Bd3 g5 37.b3 h5 38.a4 Ba6 39.Be2 g4 40.Nd6 Bxe2+ 
41.Kxe2 Ng1+ 42.Kd3 Nf3 43.Ke4 fxg3 44.hxg3 Nd2+ 45.Kd3 Nxb3 46.Nc8 Ke5 
47.Nxa7 Kd5 48.c4+ Kd6 49.Nc8+ Kc7 50.Ne7 Nd4 51.Nd5+ Kb7 52.Nf6 Nf3 53.
Ke4 Nd2+ 54.Kd5 Nb1 55.a5 Nc3+ 56.Kd6 bxa5 57.Kxc5 Ka6 58.Kd4 Nd1 59.c5 
Kb5 60.Nxh5 a4 61.c6 Kxc6 62.Kc4 Nxf2 63.Nf6 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "9"]
[White "Schweber, Samuel"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[WhiteElo "2445"]
[BlackElo "2410"]
[ECO "A12"]
[EventDate "1977.09.06"]
[PlyCount "40"]

1.Nf3 d5 2.c4 c6 3.b3 Bg4 4.e3 e6 5.Bb2 Nd7 6.Be2 Ngf6 7.h3 Bh5 8.O-O Be7 
9.d3 O-O 10.Nbd2 Qc7 11.Rc1 Rfd8 12.Qc2 a5 13.a3 h6 14.Qb1 Bg6 15.cxd5 
Nxd5 16.Qa1 Bf6 17.Bxf6 N5xf6 18.d4 Bh5 19.Rfd1 Bxf3 20.Nxf3 Qb6 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "Garcia, Raimundo"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2435"]
[ECO "E19"]
[EventDate "1977.09.06"]
[PlyCount "91"]

1.Nf3 Nf6 2.c4 b6 3.d4 e6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 c5 10.Rd1 d6 11.b3 Bf6 12.Bb2 Qe7 13.Qd2 Rd8 14.dxc5 Bxb2 15.
Qxb2 bxc5 16.Rd3 Nd7 17.Rad1 Nf6 18.Qd2 Ne4 19.Qf4 d5 20.cxd5 exd5 21.Qe5 
Re8 22.Qxe7 Rxe7 23.Nd2 f5 24.Nxe4 dxe4 25.Rc3 Rc8 26.e3 Rec7 27.Bf1 Kf8 
28.Rc2 Ke7 29.Rcd2 Bc6 30.Ba6 Rb8 31.Rc1 Bb5 32.Bxb5 Rxb5 33.Rd5 g6 34.h4 
h5 35.Kf1 Ke6 36.Rd8 Rb6 37.Ke2 Rd6 38.Rxd6+ Kxd6 39.Rc4 Rc6 40.Ra4 a6 41.
f3 exf3+ 42.Kxf3 Kd5 43.Ra5 Rb6 44.Ra4 Ke5 45.Rc4 Kd5 46.Kf4 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "9"]
[White "Benko, Francisco"]
[Black "Panno, Oscar"]
[Result "0-1"]
[WhiteElo "2290"]
[BlackElo "2550"]
[ECO "B50"]
[EventDate "1977.09.06"]
[PlyCount "91"]

1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.Bc4 Nc6 5.d3 e6 6.O-O Be7 7.Bb3 O-O 8.Qe2 d5 
9.e5 Nd7 10.d4 b6 11.a4 Ndb8 12.Rd1 Ba6 13.Qe1 cxd4 14.Nxd4 Nxd4 15.cxd4 
Nc6 16.Nc3 Qd7 17.Qe3 Nb4 18.Qg3 Rfc8 19.Bh6 Bf8 20.Nb5 Bxb5 21.axb5 Qxb5 
22.Rd2 a5 23.h4 Rc7 24.Bd1 Kh8 25.Bg5 Rac8 26.Be2 Qd7 27.h5 h6 28.Bf4 Rc1+
29.Rxc1 Rxc1+ 30.Kh2 Be7 31.Qe3 Bf8 32.g4 Qc7 33.g5 hxg5 34.Bxg5 f5 35.Qh3
Qd7 36.Qh4 Rc8 37.Rd1 Rc2 38.Rd2 Kh7 39.Qg3 Rc8 40.Bd1 b5 41.Re2 a4 42.Re1
Nc6 43.Be3 Qf7 44.Rg1 Na5 45.Be2 Nc4 46.Rc1 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "9"]
[White "Amado, Claudio"]
[Black "Cuasnicu, Oscar"]
[Result "0-1"]
[BlackElo "2400"]
[ECO "D34"]
[EventDate "1977.09.06"]
[PlyCount "78"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O 
O-O 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8 12.Qa4 Bd7 13.Rad1 Bc5 14.Ne6 fxe6 
15.Bxc5 b6 16.Be3 Qe7 17.Qh4 Rac8 18.Bd4 Nxd4 19.Rxd4 Bc6 20.Rfd1 b5 21.a3
a5 22.b4 Bd7 23.R1d3 axb4 24.axb4 Kh7 25.f4 Rc4 26.f5 Qxb4 27.fxe6 Bxe6 
28.Qf4 Qc5 29.Qd2 Bf5 30.e3 Bxd3 31.Qxd3+ Kh8 32.Ne2 Rxd4 33.Qxd4 Qxd4 34.
Nxd4 b4 35.Kf2 Ng4+ 36.Ke2 Nxe3 37.Bf3 Nf5+ 38.Kd3 Nxd4 39.Kxd4 b3 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "10"]
[White "Sanguineti, Raul"]
[Black "Seidler, Aldo Emilio"]
[Result "1-0"]
[WhiteElo "2505"]
[ECO "A30"]
[EventDate "1977.09.06"]
[PlyCount "89"]

1.Nf3 Nf6 2.c4 c5 3.Nc3 b6 4.g3 Bb7 5.Bg2 g6 6.b3 Bg7 7.Bb2 O-O 8.O-O e6 
9.d4 cxd4 10.Nxd4 Bxg2 11.Kxg2 d5 12.cxd5 Nxd5 13.Rc1 Na6 14.Nc6 Qg5 15.e4
Nxc3 16.Bxc3 Bxc3 17.Rxc3 e5 18.Qd5 Rac8 19.f4 Rxc6 20.Rxc6 Qg4 21.Qd1 
Qxd1 22.Rxd1 exf4 23.gxf4 Re8 24.e5 Re7 25.Kg3 Nc5 26.Rd8+ Kg7 27.Rcc8 Ne6
28.Rg8+ Kh6 29.Kg4 Rd7 30.Rc3 Ng7 31.Rh3+ Nh5 32.Rxh5+ gxh5+ 33.Kf5 Rd2 
34.h4 Rh2 35.Ra8 Rxa2 36.Kf6 b5 37.f5 Rf2 38.Rxa7 b4 39.Ra6 Ra2 40.Rd6 Ra7
41.e6 fxe6 42.fxe6 Rf7+ 43.Ke5 Re7 44.Rd7 Re8 45.e7 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "10"]
[White "Rubinetti, Jorge Alberto"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2445"]
[ECO "D90"]
[EventDate "1977.09.06"]
[PlyCount "38"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 g6 5.cxd5 cxd5 6.Bg5 Ne4 7.Bh4 Nc6 8.e3 
Nxc3 9.bxc3 Bg7 10.Bd3 O-O 11.O-O Bg4 12.h3 Bxf3 13.Qxf3 Qa5 14.Rfc1 e5 
15.Qd1 Qa3 16.Rab1 Na5 17.Bf1 Rfc8 18.dxe5 Bxe5 19.Qxd5 Rc5 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "10"]
[White "Garcia, Raimundo"]
[Black "Benko, Francisco"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2290"]
[ECO "A07"]
[EventDate "1977.09.06"]
[PlyCount "93"]

1.Nf3 d5 2.g3 Bg4 3.Bg2 Nf6 4.Ne5 Bh5 5.c4 e6 6.Qb3 Qc8 7.cxd5 exd5 8.Bxd5
Nxd5 9.Qxd5 c6 10.Qe4 Qe6 11.Nc3 Na6 12.g4 Bg6 13.Nxg6 hxg6 14.Qxe6+ fxe6 
15.d3 Be7 16.Bf4 Kd7 17.O-O-O Raf8 18.Bg3 Rh3 19.Ne4 Nc5 20.f3 Nxe4 21.
dxe4+ Ke8 22.Rd3 Bg5+ 23.Kc2 Rhh8 24.Rhd1 Rf7 25.Rd6 Be7 26.Rd7 Bh4 27.
Rxf7 Bxg3 28.hxg3 Kxf7 29.Rd7+ Kf6 30.Rxb7 Rh3 31.Rxa7 Rxg3 32.Rc7 Rg2 33.
Kd3 Rg1 34.Rxc6 Rd1+ 35.Kc2 Re1 36.Kd2 Ra1 37.a3 Rb1 38.Rb6 Ke5 39.Ke3 g5 
40.a4 Rc1 41.Rb5+ Kf6 42.e5+ Kg6 43.a5 Kh6 44.Rb6 Rc4 45.Rxe6+ g6 46.a6 
Rc7 47.Rb6 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "10"]
[White "Cuasnicu, Oscar"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[WhiteElo "2400"]
[BlackElo "2410"]
[ECO "C06"]
[EventDate "1977.09.06"]
[PlyCount "61"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Ngf3 c5 6.c3 Nc6 7.Bd3 Qb6 8.O-O 
cxd4 9.cxd4 Be7 10.a3 Nxd4 11.Nxd4 Qxd4 12.Nf3 Qg4 13.Re1 Qh5 14.b4 O-O 
15.Bb2 a5 16.Qa4 f6 17.Rac1 Nxe5 18.Nxe5 fxe5 19.Rxe5 Qh6 20.Re3 e5 21.
Bxe5 Bg5 22.Bd4 Qh4 23.f4 Qxf4 24.Rf1 Bd7 25.Rxf4 Bxa4 26.Rxf8+ Rxf8 27.
Re5 Bf6 28.Rxd5 Bc6 29.Rd6 Bxd4+ 30.Rxd4 axb4 31.axb4 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "10"]
[White "Amado, Claudio"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[BlackElo "2525"]
[ECO "E96"]
[EventDate "1977.09.06"]
[PlyCount "107"]

1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.e4 e5 5.Nf3 g6 6.Be2 Bg7 7.O-O O-O 8.Re1 c6 
9.Bf1 a5 10.Rb1 Re8 11.d5 Nc5 12.b3 Bd7 13.a3 cxd5 14.cxd5 Rf8 15.Nd2 Bh6 
16.a4 Ne8 17.Nc4 Bxc1 18.Qxc1 f5 19.f3 fxe4 20.fxe4 Qc7 21.Qe3 Nf6 22.Be2 
Rf7 23.Rf1 Raf8 24.Nxa5 Ncxe4 25.Nxe4 Nxe4 26.Nc4 Rxf1+ 27.Bxf1 Nc5 28.Rc1
b5 29.Nxd6 Qxd6 30.Qxc5 Qxc5+ 31.Rxc5 bxa4 32.Rc7 Rd8 33.Bc4 axb3 34.Bxb3 
Kf8 35.Kf2 Ke8 36.Ke3 Rb8 37.Bc4 Ke7 38.Ra7 Kd6 39.g3 Rb4 40.Kd3 Rb2 41.
Ra2 Rxa2 42.Bxa2 Bh3 43.Bb3 Bg2 44.Ke3 Bxd5 45.Bc2 Be6 46.Bd3 Bf5 47.Be2 
Be6 48.Bd3 Bd5 49.Be2 Ke7 50.Bd1 Kf6 51.Be2 Be6 52.Bf3 Bf5 53.Be2 Kg5 54.
Bd1 1/2-1/2

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "11"]
[White "Seidler, Aldo Emilio"]
[Black "Panno, Oscar"]
[Result "0-1"]
[BlackElo "2550"]
[ECO "B40"]
[EventDate "1977.09.06"]
[PlyCount "88"]

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.g3 b5 5.Bg2 Bb7 6.d3 d6 7.O-O Qc7 8.a4 b4 9.
Nb1 Nf6 10.Nbd2 Nc6 11.c3 Be7 12.d4 cxd4 13.cxd4 O-O 14.b3 Na5 15.Re1 Rac8
16.Bh3 d5 17.e5 Ne4 18.Re3 Qc2 19.Qf1 Nxd2 20.Nxd2 Rc3 21.Qe1 Rfc8 22.Bg4 
Nxb3 23.Nxb3 Qxb3 24.Bd2 Rxe3 25.fxe3 a5 26.Be2 Qc2 27.Bb5 Qc7 28.Qf2 f6 
29.exf6 Bxf6 30.Bd3 Qd7 31.Qf3 Rf8 32.Qg4 Bc6 33.Rc1 Bxa4 34.Rc5 Bd8 35.e4
Bb3 36.exd5 Bxd5 37.Bh6 Bf3 38.Bb5 Bxg4 39.Bxd7 gxh6 40.Rb5 h5 41.h3 Bxh3 
42.d5 Bf1 43.Bxe6+ Kh8 44.Rb7 Ba6 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "11"]
[White "Schweber, Samuel"]
[Black "Sanguineti, Raul"]
[Result "0-1"]
[WhiteElo "2445"]
[BlackElo "2505"]
[ECO "D02"]
[EventDate "1977.09.06"]
[PlyCount "80"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 g6 4.d4 Bg7 5.O-O O-O 6.Ne5 c6 7.Nd2 Nbd7 8.Nxd7 
Bxd7 9.c3 Re8 10.Nf3 Ne4 11.Ne5 Be6 12.Qb3 Nd6 13.Nd3 Qc8 14.Bf4 f6 15.
Rfe1 Bf7 16.Bxd6 exd6 17.Nf4 Qc7 18.Bf3 Re7 19.h4 Rae8 20.Kg2 Qd7 21.e3 g5
22.hxg5 fxg5 23.Nd3 Bg6 24.Qd1 Qf5 25.Nc1 Rf8 26.Rf1 Qf7 27.Be2 h5 28.Bd3 
Be4+ 29.Bxe4 dxe4 30.Nb3 g4 31.Rc1 Qg6 32.Rh1 Ref7 33.Rc2 Rf3 34.Qc1 Bh6 
35.Rg1 Qf5 36.Re2 Kg7 37.Qe1 Kg6 38.Nd2 h4 39.gxh4 g3 40.fxg3 Bxe3 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "11"]
[White "Rossetto, Hector Decio"]
[Black "Rubinetti, Jorge Alberto"]
[Result "0-1"]
[WhiteElo "2410"]
[BlackElo "2420"]
[ECO "A08"]
[EventDate "1977.09.06"]
[PlyCount "92"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 d5 4.O-O e5 5.d3 Nf6 6.e4 Be7 7.Nc3 d4 8.Ne2 Nd7 
9.c4 dxc3 10.bxc3 b5 11.d4 Ba6 12.d5 Na5 13.Re1 Nc4 14.g4 h5 15.g5 g6 16.
h4 Rb8 17.Nd2 Ndb6 18.Nf1 Bd6 19.Bh3 Na4 20.Ne3 Nxe3 21.Bxe3 Nb2 22.Qc2 
Nc4 23.Bc1 Qa5 24.Qd3 Qa4 25.Qf3 Be7 26.Qg3 Qc2 27.f4 Bd6 28.fxe5 Bxe5 29.
Bf4 Bxf4 30.Nxf4 O-O 31.Re2 Qa4 32.e5 Kh7 33.Nxh5 gxh5 34.Qf3 Nxe5 35.
Qxh5+ Kg7 36.Qh6+ Kg8 37.Rxe5 Rb6 38.Qh5 Qf4 39.Rae1 Qg3+ 40.Bg2 Qxc3 41.
Re8 Bc8 42.R1e3 Qd4 43.Re5 Bg4 44.Qh6 Rxh6 45.gxh6 Qf4 46.Kh1 Qxh6 0-1

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "11"]
[White "Najdorf, Miguel"]
[Black "Cuasnicu, Oscar"]
[Result "1-0"]
[WhiteElo "2525"]
[BlackElo "2400"]
[ECO "D47"]
[EventDate "1977.09.06"]
[PlyCount "87"]

1.Nf3 Nf6 2.c4 c6 3.d4 d5 4.Nc3 e6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Be2 b4
9.Na4 Qa5 10.O-O Ba6 11.Bxa6 Qxa6 12.b3 Rc8 13.a3 bxa3 14.Bxa3 Bxa3 15.
Rxa3 O-O 16.Qa1 Qb7 17.Rc1 Rc7 18.Nd2 Rfc8 19.Nc4 Qb4 20.Nab2 Rb8 21.Nd3 
Qb5 22.b4 Qf5 23.f3 h5 24.e4 Qg5 25.Rxa7 Rxa7 26.Qxa7 Rd8 27.Qa5 Nh7 28.
Qxg5 Nxg5 29.h4 Nh7 30.Kf2 Nb8 31.Ke3 f5 32.Na5 fxe4 33.fxe4 Nf6 34.Ne5 
Kh7 35.Naxc6 Nxc6 36.Rxc6 Rb8 37.Nd3 Ng4+ 38.Kd2 e5 39.dxe5 Ra8 40.b5 Ra5 
41.b6 Rb5 42.e6 Kg6 43.Nf4+ Kh7 44.e7 1-0

[Event "1st Konex it"]
[Site "Buenos Aires ARG"]
[Date "1977.09.??"]
[Round "11"]
[White "Benko, Francisco"]
[Black "Amado, Claudio"]
[Result "0-1"]
[WhiteElo "2290"]
[ECO "C22"]
[EventDate "1977.09.06"]
[PlyCount "64"]

1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Nf6 5.Nc3 Bb4 6.Bd2 O-O 7.O-O-O Re8 8.
Bc4 Na5 9.Be2 d5 10.Qg3 Bd6 11.f4 dxe4 12.Nb5 Nc6 13.Bc3 Qe7 14.Rxd6 cxd6 
15.Nc7 Be6 16.Nxa8 Rxa8 17.Nh3 d5 18.f5 Bxf5 19.Rf1 Bg6 20.Bxf6 gxf6 21.
Nf4 Qe5 22.h4 Nd4 23.Bd1 Kh8 24.h5 Bf5 25.Qe3 Rg8 26.c3 Nc6 27.Bb3 d4 28.
cxd4 Nxd4 29.Rd1 Qxf4 30.Qxf4 Ne2+ 31.Kd2 Nxf4 32.Rf1 Rd8+ 0-1

