[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "1"]
[White "Agdamus, Jose Luis"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "D36"]
[EventDate "1970.07.19"]
[PlyCount "76"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.cxd5 exd5 5.Bg5 c6 6.Nc3 Be7 7.Qc2 Na6 8.e3 
Nb4 9.Qd2 Bf5 10.Rc1 Ne4 11.Nxe4 dxe4 12.Bxe7 Qxe7 13.Rc5 Nd5 14.Ng1 O-O 
15.Ne2 Be6 16.Ng3 b6 17.Rc1 Rad8 18.Bc4 c5 19.O-O Nf6 20.Ne2 Bg4 21.Nc3 
Rd6 22.d5 Nd7 23.f4 exf3 24.gxf3 Ne5 25.Be2 Bh3 26.Rf2 f5 27.Bf1 Bxf1 28.
Rcxf1 Nc4 29.Qd3 Nxe3 30.Re1 f4 31.Rfe2 Qh4 32.Kh1 Qh3 33.Rxe3 fxe3 34.
Rxe3 Rg6 35.Qe2 Rg3 36.Re8 Rxf3 37.Rxf8+ Rxf8 38.Kg1 Qf5 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "1"]
[White "Damjanovic, Mato"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[ECO "B40"]
[EventDate "1970.07.19"]
[PlyCount "78"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Bd3 d6 6.O-O Be7 7.Nd2 O-O 8.Kh1 
e5 9.Nf5 Bxf5 10.exf5 d5 11.f3 Nc6 12.a3 Qc7 13.Nb3 Rad8 14.Qe1 Rfe8 15.
Qg3 Kh8 16.Be3 Bd6 17.Qh3 e4 18.fxe4 dxe4 19.Bb5 Bxh2 20.Bxc6 bxc6 21.g4 
Qg3 22.Qxg3 Bxg3 23.g5 Ng4 24.Bxa7 e3 25.Kg2 e2 26.Kxg3 exf1=Q 27.Rxf1 Ne3
28.Bxe3 Rxe3+ 29.Rf3 Rxf3+ 30.Kxf3 Rd5 31.Ke4 h5 32.gxh6 gxh6 33.Nd4 Rc5 
34.c3 h5 35.Kf4 Rc4 36.Kg3 Kg7 37.a4 Rxa4 38.Nxc6 Ra2 39.b3 Rc2 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "1"]
[White "Fischer, Robert James"]
[Black "Tukmakov, Vladimir"]
[Result "1-0"]
[ECO "A01"]
[EventDate "1970.07.19"]
[PlyCount "51"]

1.b3 e5 2.Bb2 Nc6 3.c4 Nf6 4.e3 Be7 5.a3 O-O 6.d3 d5 7.cxd5 Qxd5 8.Nc3 Qd6
9.Nf3 Bf5 10.Qc2 Rfd8 11.Rd1 h6 12.h3 Qe6 13.Nd2 Nd7 14.Be2 Kh8 15.O-O Bg6
16.b4 a6 17.Rc1 Rac8 18.Rfd1 f5 19.Na4 Na7 20.Nb3 b6 21.d4 f4 22.e4 Nb5 
23.Bg4 Qf6 24.dxe5 Nxe5 25.Bxc8 Rxc8 26.Rd5 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "1"]
[White "O'Kelly de Galway, Alberic"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "A25"]
[EventDate "1970.07.19"]
[PlyCount "35"]

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1 a5 6.e3 d6 7.Nge2 h5 8.h4 Nh6 9.
d3 O-O 10.a3 Ne7 11.b4 axb4 12.axb4 c6 13.e4 f5 14.Qb3 Kh8 15.Bg5 Nf7 16.
Be3 Be6 17.b5 fxe4 18.dxe4 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "1"]
[White "Najdorf, Miguel"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "E59"]
[EventDate "1970.07.19"]
[PlyCount "45"]

1.Nf3 d5 2.c4 e6 3.d4 Nf6 4.Nc3 Bb4 5.a3 Bxc3+ 6.bxc3 c5 7.e3 O-O 8.Bb2 
Nc6 9.Be2 Qc7 10.O-O dxc4 11.Bxc4 e5 12.h3 e4 13.Nd2 Bf5 14.Nb3 b6 15.Qe2 
Rad8 16.a4 Ne7 17.Nd2 Ng6 18.f4 exf3 19.Qxf3 Be6 20.Bd3 Ne5 21.Qg3 Nh5 22.
Qh2 Qc8 23.Qxe5 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "1"]
[White "Panno, Oscar"]
[Black "Mecking, Henrique"]
[Result "1-0"]
[ECO "A14"]
[EventDate "1970.07.19"]
[PlyCount "105"]

1.c4 Nf6 2.Nf3 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.b3 c5 7.Bb2 b6 8.e3 Bb7 9.
Nc3 dxc4 10.bxc4 Nc6 11.Qe2 Nb4 12.d4 cxd4 13.exd4 Rc8 14.Rfd1 Re8 15.a3 
Nc6 16.Ne5 Qc7 17.Nb5 Qb8 18.d5 exd5 19.cxd5 Nxe5 20.Qxe5 a6 21.Qxb8 Rxb8 
22.Na7 Bd6 23.a4 Ra8 24.Nc6 Rac8 25.Rac1 b5 26.Rb1 Ba8 27.axb5 axb5 28.
Bxf6 gxf6 29.Rxb5 Rc7 30.Rdb1 Kf8 31.Bf3 f5 32.Kg2 f4 33.g4 Bxc6 34.dxc6 
Be5 35.Re1 f6 36.Rb7 Ree7 37.Rd1 h6 38.Be4 Kf7 39.Kf3 Kf8 40.h4 Kf7 41.h5 
Kf8 42.Rd8+ Re8 43.Rxe8+ Kxe8 44.Rb8+ Kf7 45.Rh8 f5 46.Bd5+ Kg7 47.Rb8 Kh7
48.Re8 fxg4+ 49.Kxg4 Bd4 50.f3 Be3 51.Kf5 Ra7 52.Ke6 Bc5 53.Rd8 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "1"]
[White "Quinteros, Miguel Angel"]
[Black "Garcia, Raimundo"]
[Result "1/2-1/2"]
[ECO "A25"]
[EventDate "1970.07.19"]
[PlyCount "47"]

1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 g6 5.e3 Nh6 6.Nge2 Bg7 7.Rb1 Be6 8.Nd5 O-O
9.b4 Qd7 10.d3 Nd8 11.b5 c6 12.Ndc3 Bh3 13.bxc6 bxc6 14.O-O Bxg2 15.Kxg2 
Ne6 16.d4 exd4 17.exd4 Nf5 18.d5 Ned4 19.Nxd4 Nxd4 20.Be3 Nf5 21.Bd2 Rac8 
22.Qf3 cxd5 23.cxd5 Rc4 24.Rfc1 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "1"]
[White "Rossetto, Hector Decio"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[ECO "A45"]
[EventDate "1970.07.19"]
[PlyCount "75"]

1.d4 Nf6 2.Bg5 c5 3.dxc5 Na6 4.Nd2 Nxc5 5.Ngf3 h6 6.Bxf6 gxf6 7.e3 d5 8.b4
Na6 9.a3 Bg7 10.c4 dxc4 11.Bxc4 O-O 12.O-O Nc7 13.Rc1 f5 14.Qc2 Ne8 15.
Rfd1 Nd6 16.Bb3 Bd7 17.Nc4 Rc8 18.Qb1 Nxc4 19.Bxc4 Qe8 20.b5 e6 21.Qb4 Rc7
22.Bf1 Rxc1 23.Rxc1 Qb8 24.Rd1 Bc8 25.Qe7 b6 26.Rc1 Bb7 27.Nd4 Re8 28.Qb4 
Bf8 29.Qa4 Qd6 30.Rc3 Bd5 31.Nc6 Bg7 32.Nd4 Qd7 33.Qc2 Be4 34.Qc1 Be5 35.
Rc4 Bd5 36.Rc2 Be4 37.Rc4 Bd5 38.Rc2 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "1"]
[White "Schweber, Samuel"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1970.07.19"]
[PlyCount "38"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c6 7.a4 a5 8.Bg5 h6 9.
Bf4 Nbd7 10.h3 e5 11.Be3 exd4 12.Bxd4 Qe7 13.Re1 Rd8 14.Nd2 Nc5 15.Bf1 b6 
16.Qf3 Be6 17.Rad1 Ncd7 18.Nc4 Bxc4 19.Bxc4 Ne5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "2"]
[White "Smyslov, Vassily"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "A27"]
[EventDate "1970.07.19"]
[PlyCount "112"]

1.c4 e5 2.Nc3 Nc6 3.Nf3 g6 4.d4 exd4 5.Nxd4 Bg7 6.Nxc6 bxc6 7.g3 Ne7 8.Bg2
O-O 9.O-O d6 10.Qc2 Bf5 11.e4 Be6 12.c5 Qb8 13.Rd1 Bg4 14.Re1 Qb4 15.Bg5 
Qxc5 16.Bxe7 Rfe8 17.Bh4 g5 18.Bxg5 Qxg5 19.Qa4 Qc5 20.Rac1 Qb6 21.h3 Bd7 
22.Nd5 cxd5 23.Qxd7 Rad8 24.Qxc7 dxe4 25.Rxe4 Rxe4 26.Bxe4 d5 27.Qxb6 axb6
28.Rd1 Bxb2 29.Bxd5 Kg7 30.Rd3 Rd7 31.Kg2 Ra7 32.Rf3 Rd7 33.Bb3 Bd4 34.Rf4
Bc5 35.Kf3 h6 36.Rf5 f6 37.Ke2 Re7+ 38.Kd3 Rd7+ 39.Kc3 Bd4+ 40.Kc4 Bc5 41.
Rf4 Rd2 42.f3 h5 43.Rh4 Rg2 44.g4 hxg4 45.hxg4 f5 46.gxf5 Kf6 47.a4 Bf2 
48.Rh5 Rg5 49.Rh2 Bg1 50.Rh6+ Kxf5 51.Bc2+ Kf4 52.Rf6+ Ke5 53.Rf8 Ke6 54.
f4 Ke7 55.Rh8 Rg4 56.Rh7+ Kf6 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "2"]
[White "Damjanovic, Mato"]
[Black "Fischer, Robert James"]
[Result "0-1"]
[ECO "B36"]
[EventDate "1970.07.19"]
[PlyCount "155"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 Nc6 5.Nc3 g6 6.e4 d6 7.Be2 Nxd4 8.Qxd4 
Bg7 9.Be3 O-O 10.Qd2 Be6 11.f3 Rc8 12.Nd5 Nd7 13.O-O Nc5 14.Rac1 a5 15.b3 
Bxd5 16.cxd5 Qb6 17.Rc4 Qa7 18.Rc2 Bh6 19.f4 Rc7 20.g3 b6 21.Rfc1 Bg7 22.
Bb5 Qa8 23.Qe2 e5 24.dxe6 fxe6 25.Rd1 Rd8 26.Bd4 Bxd4+ 27.Rxd4 e5 28.fxe5 
dxe5 29.Rxd8+ Qxd8 30.Bc4+ Kg7 31.Bd5 Nd7 32.Qf2 Rxc2 33.Qxc2 b5 34.Kg2 b4
35.Qc6 Nf6 36.Kf3 Qd7 37.Qxd7+ Nxd7 38.Ke3 Kf6 39.Kd3 Nb6 40.Bc6 Ke7 41.h4
h6 42.Ke3 Nc8 43.Kd3 Nd6 44.Ke3 Kd8 45.Kd3 Kc7 46.Ba4 Kb6 47.Ke3 Kc5 48.
Bd7 Kb6 49.Ba4 Kc7 50.Kd3 Kd8 51.Bc6 Ke7 52.Ke3 Ke6 53.Kf3 Kf6 54.g4 g5 
55.h5 Ke7 56.Ke3 Kd8 57.Kd3 Kc7 58.Ba4 Kb6 59.Bd7 Kc5 60.Ba4 Nc8 61.Be8 
Ne7 62.Ke3 Ng8 63.Bd7 Nf6 64.Bf5 Kb5 65.Kd3 a4 66.bxa4+ Kxa4 67.Kc4 Ka3 
68.Kc5 Kxa2 69.Kxb4 Kb2 70.Kc5 Kc3 71.Kd6 Kd4 72.Ke6 Nxe4 73.Kf7 Nf2 74.
Kg6 e4 75.Kxh6 e3 76.Kg7 e2 77.h6 e1=Q 78.h7 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "2"]
[White "Mecking, Henrique"]
[Black "Agdamus, Jose Luis"]
[Result "1-0"]
[ECO "E90"]
[EventDate "1970.07.19"]
[PlyCount "63"]

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4 g6 6.Be2 Bg7 7.Be3 Ng4 8.Bg5 f6 
9.Bh4 c6 10.d5 c5 11.O-O h5 12.Ne1 Nb6 13.b3 Bd7 14.a3 Qc8 15.Nb5 Ke7 16.
h3 Nh6 17.Nd3 a6 18.f4 axb5 19.fxe5 dxe5 20.Nxe5 Qe8 21.Qd2 Kd8 22.Nd3 
Qxe4 23.Bf2 bxc4 24.Nxc5 Qxd5 25.Qb4 Kc8 26.Bf3 Qd6 27.Rad1 Qc7 28.Bxb7+ 
Kb8 29.Bxa8 Kxa8 30.Qa5+ Qa7 31.Qxa7+ Kxa7 32.Nxd7 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "2"]
[White "Reshevsky, Samuel Herman"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "B80"]
[EventDate "1970.07.19"]
[PlyCount "34"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2 Be7 8.O-O d6
9.f4 Nc6 10.Nb3 b5 11.a3 Bb7 12.Be3 Rd8 13.Qe2 O-O 14.g4 Nd7 15.g5 Nb6 16.
Rad1 Rfe8 17.Kh1 Bf8 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "2"]
[White "Bisguier, Arthur Bernard"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "C86"]
[EventDate "1970.07.19"]
[PlyCount "64"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 Be7 6.O-O b5 7.Bb3 d6 8.c3 O-O 
9.Rd1 Na5 10.Bc2 c5 11.d4 Qc7 12.dxe5 dxe5 13.Nbd2 Rd8 14.b3 Bb7 15.Bb2 
Nh5 16.g3 Nf6 17.Nh4 g6 18.Ng2 Nc6 19.Rac1 Qc8 20.Ne3 Qe6 21.f3 Rd7 22.
Ndf1 Rad8 23.Rxd7 Rxd7 24.Rd1 Bf8 25.Bd3 h5 26.a4 Qxb3 27.axb5 axb5 28.
Bxb5 Rxd1 29.Nxd1 Nd7 30.Nd2 Qa2 31.Qd3 Qe6 32.Ne3 Nb6 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "2"]
[White "Rubinetti, Jorge Alberto"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "E89"]
[EventDate "1970.07.19"]
[PlyCount "112"]

1.c4 g6 2.Nc3 Bg7 3.d4 d6 4.e4 e5 5.Nge2 c6 6.Be3 Nf6 7.f3 O-O 8.d5 cxd5 
9.cxd5 a6 10.Qd2 Nbd7 11.Ng3 h5 12.Bd3 Nh7 13.O-O Bf6 14.Kh1 Bg5 15.Bxg5 
Qxg5 16.Qxg5 Nxg5 17.h4 Nh7 18.Rfc1 Nhf6 19.Nf1 Ne8 20.Ne3 f5 21.b4 Nb6 
22.a4 Bd7 23.a5 Nc8 24.Nc4 Nf6 25.Ra2 Kg7 26.Kg1 fxe4 27.fxe4 Kf7 28.Rf2 
Ke7 29.Rcf1 Rb8 30.Rb1 b5 31.axb6 Nxb6 32.Na5 Rbc8 33.Rc2 Rc7 34.Rbc1 Ra8 
35.Nb1 Rxc2 36.Rxc2 Rc8 37.Rxc8 Bxc8 38.Nd2 Ne8 39.Nc6+ Kf6 40.Kf2 Nc7 41.
Nb3 g5 42.g3 g4 43.Nba5 Kf7 44.Ke2 Ke8 45.Kd2 Nb5 46.Bxb5 axb5 47.Na7 Ba6 
48.N5c6 Nc8 49.Kc3 Nxa7 50.Nxa7 Kd7 51.Kd2 Kc7 52.Nc6 Bc8 53.Na5 Bd7 54.
Nb3 Be8 55.Kd3 Bg6 56.Na5 Be8 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "2"]
[White "Garcia, Raimundo"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1970.07.19"]
[PlyCount "89"]

1.g3 Nf6 2.Bg2 d5 3.Nf3 c6 4.d3 Bg4 5.h3 Bxf3 6.Bxf3 e6 7.Nd2 Nbd7 8.O-O 
Bc5 9.c3 O-O 10.e4 Bb6 11.Be2 Re8 12.Qc2 e5 13.b3 Nf8 14.Nf3 N8d7 15.Ba3 
a5 16.Rad1 Qc7 17.Nh4 g6 18.Bc1 Bc5 19.Ng2 Bf8 20.Ne3 Rad8 21.Ng4 Nxg4 22.
hxg4 dxe4 23.dxe4 Nc5 24.Kg2 Rxd1 25.Rxd1 Rd8 26.a3 Rxd1 27.Bxd1 Ne6 28.b4
Be7 29.Qd3 axb4 30.axb4 Qd6 31.Qxd6 Bxd6 32.Bb3 Kf8 33.g5 Ke7 34.Kh3 c5 
35.b5 b6 36.Kg4 Bc7 37.f4 Bd6 38.f5 Nc7 39.Bc4 Kf8 40.Kf3 Ke7 41.Ke2 Kf8 
42.Kd3 Ke7 43.Be3 Kf8 44.f6 Kg8 45.Ke2 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "2"]
[White "Gheorghiu, Florin"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[ECO "D06"]
[EventDate "1970.07.19"]
[PlyCount "42"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 d5 5.cxd5 Nxd5 6.e4 Nb4 7.Bb5+ Bd7 8.
Nc3 e5 9.Bxd7+ Qxd7 10.Ndb5 a6 11.Qxd7+ Kxd7 12.Na3 N8c6 13.O-O Bc5 14.Nc4
Ke6 15.Be3 b5 16.Bxc5 bxc4 17.b3 Nd3 18.Be3 cxb3 19.axb3 Ncb4 20.Rfd1 Rhd8
21.Rd2 Rd6 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "2"]
[White "Tukmakov, Vladimir"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[ECO "E11"]
[EventDate "1970.07.19"]
[PlyCount "83"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 d5 5.Qa4+ Nc6 6.a3 Bxd2+ 7.Bxd2 Ne4 8.
Bf4 O-O 9.e3 Ne7 10.Qc2 Ng6 11.cxd5 exd5 12.Bxc7 Qf6 13.Bd3 Bh3 14.Be5 Qf5
15.O-O Rac8 16.Qd1 Bg4 17.Bg3 Rc6 18.Rc1 Rxc1 19.Qxc1 Bxf3 20.gxf3 Qxf3 
21.Qd1 Qf6 22.Qh5 Qe6 23.Re1 f5 24.f3 Nxg3 25.hxg3 Ne7 26.Qg5 Qd6 27.Rc1 
h6 28.Qf4 Qxf4 29.gxf4 Rb8 30.Rc7 Kf8 31.Kf2 Ke8 32.Bb5+ Kf7 33.Bd7 Kf6 
34.b4 a6 35.a4 g6 36.a5 g5 37.fxg5+ hxg5 38.Ke2 f4 39.e4 dxe4 40.fxe4 b6 
41.Bg4 bxa5 42.e5+ 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "3"]
[White "Szabo, Laszlo"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "A14"]
[EventDate "1970.07.19"]
[PlyCount "84"]

1.c4 Nf6 2.Nf3 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7 8.e3 c5 9.
Qe2 Nc6 10.Rd1 Qc7 11.Nc3 Rad8 12.cxd5 Nxd5 13.Nxd5 Rxd5 14.d4 Rd7 15.dxc5
Bxc5 16.Ng5 Rfd8 17.Rxd7 Qxd7 18.Qc2 f5 19.Qc4 Re8 20.Qe2 Rd8 21.Qc4 Re8 
22.Bf3 Na5 23.Qh4 h6 24.Rd1 Qe7 25.Bxb7 Nxb7 26.Qa4 Rd8 27.Rxd8+ Nxd8 28.
Nf3 Nf7 29.Qc6 Kh7 30.h4 Nd6 31.Ne5 Nf7 32.Kg2 Nd8 33.Qa8 Bd6 34.Nc4 Nf7 
35.Nxd6 Nxd6 36.Be5 Qd7 37.Qf8 Ne4 38.h5 Ng5 39.Qa8 Qf7 40.f4 Ne4 41.g4 
Qd7 42.Bd4 Qb5 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "3"]
[White "Schweber, Samuel"]
[Black "Damjanovic, Mato"]
[Result "1/2-1/2"]
[ECO "E54"]
[EventDate "1970.07.19"]
[PlyCount "28"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.e3 c5 5.Bd3 d5 6.Nf3 O-O 7.O-O dxc4 8.Bxc4 
Bd7 9.a3 Ba5 10.Qe2 Bc6 11.Rd1 Qe7 12.Ne5 Nbd7 13.Nxc6 bxc6 14.Na4 Bc7 
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "3"]
[White "Rossetto, Hector Decio"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[ECO "B54"]
[EventDate "1970.07.19"]
[PlyCount "54"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Bd3 Nc6 6.Nxc6 bxc6 7.O-O g6 8.c4 
Bg7 9.Nc3 O-O 10.Qe2 Nd7 11.Be3 Ne5 12.Rac1 Qa5 13.Bd2 f5 14.b3 Nxd3 15.
Qxd3 Qe5 16.exf5 Bxf5 17.Qe3 Qxe3 18.Bxe3 h6 19.Rfe1 g5 20.f3 Rfd8 21.Bf2 
Kf8 22.g4 Bg6 23.h4 a6 24.hxg5 hxg5 25.Ne4 Bxe4 26.fxe4 Kf7 27.Be3 Kg6 
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "3"]
[White "Quinteros, Miguel Angel"]
[Black "Tukmakov, Vladimir"]
[Result "0-1"]
[ECO "A14"]
[EventDate "1970.07.19"]
[PlyCount "124"]

1.c4 Nf6 2.g3 e6 3.Bg2 d5 4.Nf3 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7 8.e3 c5 9.
Qe2 Nc6 10.Rd1 dxc4 11.bxc4 Qc7 12.Nc3 Rfd8 13.d3 Rac8 14.Ng5 h6 15.Nge4 
a6 16.Rab1 Rb8 17.Na4 Nxe4 18.Bxe4 b5 19.cxb5 axb5 20.Qg4 Ne5 21.Bxe5 Qxe5
22.Bxb7 Rxb7 23.d4 cxd4 24.exd4 Qd5 25.Nc3 Qc4 26.Rb3 b4 27.Ne2 Qc2 28.Nc1
Ra7 29.Qf3 Rad7 30.Qe2 Qc6 31.Rbd3 Rd5 32.Nb3 Bf6 33.Qd2 Qb5 34.f4 Ra8 35.
Qc2 Rd6 36.Qf2 Ra3 37.R3d2 Ra8 38.Rc1 Rad8 39.Rcd1 Rc8 40.Kg2 Rc3 41.Qe2 
Qd5+ 42.Kg1 h5 43.Qg2 Qf5 44.d5 h4 45.Nd4 Qxd5 46.Qxd5 Rxd5 47.Ne2 Ra3 48.
Rxd5 exd5 49.Rd2 Bc3 50.Rc2 d4 51.Nc1 hxg3 52.hxg3 Be1 53.Rc8+ Kh7 54.Rd8 
Bd2 55.Nb3 Rxa2 56.Kf1 Be3 57.Nc5 d3 58.Nxd3 Rd2 59.Re8 Rxd3 60.Ke2 Rc3 
61.Rxe3 Rxe3+ 62.Kxe3 f5 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "3"]
[White "Najdorf, Miguel"]
[Black "Garcia, Raimundo"]
[Result "1-0"]
[ECO "E92"]
[EventDate "1970.07.19"]
[PlyCount "67"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 Bg7 5.e4 d6 6.Nf3 O-O 7.Be2 e5 8.a3 Nh5 9.
g3 Nd7 10.Bg5 Bf6 11.h4 a6 12.Qd2 Be7 13.Bh6 Re8 14.Nh2 Ndf6 15.g4 Nf4 16.
Bxf4 exf4 17.Qxf4 Nd7 18.g5 Ne5 19.Qd2 b5 20.cxb5 axb5 21.Bxb5 Bd7 22.Be2 
f5 23.f4 Nf7 24.O-O Bf8 25.exf5 Bxf5 26.Bd3 Bxd3 27.Qxd3 Bg7 28.Rae1 Rb8 
29.Qd2 Qd7 30.Rxe8+ Rxe8 31.Re1 Bd4+ 32.Kg2 Rb8 33.Kg3 Bg7 34.Ng4 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "3"]
[White "Fischer, Robert James"]
[Black "Gheorghiu, Florin"]
[Result "1-0"]
[ECO "C42"]
[EventDate "1970.07.19"]
[PlyCount "69"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 Be7 6.Bd3 Nf6 7.h3 O-O 8.O-O 
Re8 9.c4 Nc6 10.Nc3 h6 11.Re1 Bf8 12.Rxe8 Qxe8 13.Bf4 Bd7 14.Qd2 Qc8 15.d5
Nb4 16.Ne4 Nxe4 17.Bxe4 Na6 18.Nd4 Nc5 19.Bc2 a5 20.Re1 Qd8 21.Re3 b6 22.
Rg3 Kh8 23.Nf3 Qe7 24.Qd4 Qf6 25.Qxf6 gxf6 26.Nd4 Re8 27.Re3 Rb8 28.b3 b5 
29.cxb5 Bxb5 30.Nf5 Bd7 31.Nxh6 Rb4 32.Rg3 Bxh6 33.Bxh6 Ne4 34.Bg7+ Kh7 
35.f3 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "3"]
[White "Agdamus, Jose Luis"]
[Black "Rubinetti, Jorge Alberto"]
[Result "0-1"]
[ECO "E15"]
[EventDate "1970.07.19"]
[PlyCount "56"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qc2 c5 6.b3 Nc6 7.Bb2 cxd4 8.Nxd4 
Bb4+ 9.Nd2 Nxd4 10.Bxd4 Bb7 11.f3 d5 12.cxd5 Qxd5 13.Qb2 Rc8 14.Rd1 O-O 
15.Bh3 Rfd8 16.Be3 Bc3 17.Qb1 Qe5 18.Kf2 Qxe3+ 19.Kxe3 Bd4+ 20.Kf4 e5+ 21.
Kf5 Rc6 22.Ne4 Bc8+ 23.Kg5 h6+ 24.Kh4 g5+ 25.Nxg5 hxg5+ 26.Kxg5 Nh7+ 27.
Kh5 Bxh3 28.e3 Rdd6 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "3"]
[White "O'Kelly de Galway, Alberic"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "E55"]
[EventDate "1970.07.19"]
[PlyCount "34"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Nbd7 9.Qe2 a6 10.a4 Nb6 11.Bb3 cxd4 12.exd4 Nbd5 13.Bd2 Re8 14.Qd3 Be7 15.
Nxd5 exd5 16.Ne5 g6 17.Qf3 Be6 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "3"]
[White "Panno, Oscar"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "A17"]
[EventDate "1970.07.19"]
[PlyCount "44"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.b3 Ne4 8.Bb2 Bf6
9.Qc2 Nxc3 10.Bxc3 Bxc3 11.Qxc3 d6 12.d4 Nd7 13.Rfd1 Nf6 14.Rac1 Qe7 15.
Ne1 Bxg2 16.Nxg2 c6 17.Rc2 Rac8 18.Qf3 Rfe8 19.Ne3 Rc7 20.Ng4 Nxg4 21.Qxg4
h6 22.h4 Rcc8 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "4"]
[White "Gheorghiu, Florin"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "A29"]
[EventDate "1970.07.19"]
[PlyCount "147"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bb4 5.Bg2 O-O 6.O-O e4 7.Ng5 Bxc3 8.bxc3 
Re8 9.Qc2 Qe7 10.d3 exd3 11.exd3 b6 12.Ne4 Nxe4 13.Bxe4 Bb7 14.Re1 Kh8 15.
Bf4 Na5 16.Bxb7 Qxe1+ 17.Rxe1 Rxe1+ 18.Kg2 Nxb7 19.Bxc7 Ree8 20.Bf4 Nc5 
21.d4 Nb7 22.Qa4 Re7 23.Bc7 d5 24.Bxb6 dxc4 25.d5 h6 26.Bd4 Nd6 27.Bc5 Rd8
28.Bxa7 Ra8 29.Qc6 Rexa7 30.Qxd6 Rxa2 31.Qc7 Rd2 32.d6 Ra1 33.Qxf7 Rad1 
34.Qf8+ Kh7 35.Qf5+ Kh8 36.Qc8+ Kh7 37.Qxc4 Rxd6 38.h4 Re1 39.h5 Re5 40.g4
Ree6 41.Qb5 Rc6 42.f4 Kh8 43.Qb8+ Kh7 44.g5 hxg5 45.fxg5 Rxc3 46.g6+ Rxg6+
47.hxg6+ Kxg6 48.Qe5 Rc2+ 49.Kg3 Kh6 50.Qf4+ g5 51.Qd6+ Kg7 52.Qe7+ Kh6 
53.Qf6+ Kh5 54.Qf3+ Kh6 55.Qf8+ Kh5 56.Qf7+ Kh6 57.Qf8+ Kh5 58.Qf3+ Kh6 
59.Qh1+ Kg7 60.Kg4 Rc4+ 61.Kxg5 Rc5+ 62.Kf4 Rc4+ 63.Kf5 Rc5+ 64.Ke6 Rg5 
65.Qe4 Rg6+ 66.Kf5 Rf6+ 67.Kg5 Rf7 68.Qe8 Rf8 69.Qg6+ Kh8 70.Kh6 Rf7 71.
Qe4 Rf6+ 72.Kg5 Rf7 73.Kg6 Rg7+ 74.Kh6 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "4"]
[White "Damjanovic, Mato"]
[Black "Quinteros, Miguel Angel"]
[Result "1-0"]
[ECO "A48"]
[EventDate "1970.07.19"]
[PlyCount "93"]

1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.Nbd2 h6 5.Bh4 O-O 6.c3 d6 7.e3 b6 8.Bc4 Bb7 
9.O-O g5 10.Bg3 e6 11.a4 a6 12.Ne1 Nc6 13.Nc2 Ne7 14.Bd3 Nh7 15.f4 f5 16.
fxg5 hxg5 17.Bc4 Qd7 18.a5 b5 19.Ba2 Kh8 20.Nf3 Nd5 21.Qe2 Ndf6 22.Nd2 
Rae8 23.Rad1 Qc8 24.Nb4 c5 25.dxc5 dxc5 26.Nd3 Nd7 27.Bd6 Rg8 28.Nf3 e5 
29.Bxg8 Kxg8 30.Nc1 Qc6 31.b4 c4 32.Ne1 Re6 33.Bc5 f4 34.Ba7 Rh6 35.Qd2 
Nhf8 36.h3 g4 37.hxg4 Qg6 38.Qe2 Qg5 39.exf4 exf4 40.Bd4 Qh4 41.Nf3 Bxf3 
42.Qxf3 Ne5 43.Qd5+ Re6 44.Bxe5 Bxe5 45.Rde1 f3 46.Rxe5 f2+ 47.Rxf2 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "4"]
[White "Fischer, Robert James"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[ECO "C19"]
[EventDate "1970.07.19"]
[PlyCount "94"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Nf3 Nc6 8.Be2 
Bd7 9.O-O Nge7 10.a4 Na5 11.Re1 cxd4 12.cxd4 Nc4 13.Bd3 h6 14.Nd2 Nxd2 15.
Bxd2 Nc6 16.Qg4 g6 17.Re3 O-O-O 18.Rg3 Kb8 19.Rf3 f5 20.exf6 e5 21.Qg3 
Nxd4 22.Re3 e4 23.Rxe4 Qxg3 24.Rxd4 Qg4 25.Rxg4 Bxg4 26.Bxg6 Rhg8 27.Bh7 
Rh8 28.Bd3 Rde8 29.f7 Re7 30.f8=Q+ Rxf8 31.Bb4 Rff7 32.Bxe7 Rxe7 33.f3 Bd7
34.a5 Kc7 35.Kf2 Rf7 36.Ke3 Kd6 37.g3 Kc5 38.f4 Bg4 39.Rb1 Re7+ 40.Kd2 b6 
41.axb6 axb6 42.h3 Bd7 43.g4 d4 44.f5 Re3 45.f6 Rf3 46.Rf1 Rxf1 47.Bxf1 
Be6 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "4"]
[White "Garcia, Raimundo"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "A24"]
[EventDate "1970.07.19"]
[PlyCount "86"]

1.g3 g6 2.Bg2 Bg7 3.c4 e5 4.Nc3 d6 5.d3 Nf6 6.Nf3 O-O 7.O-O Nbd7 8.Rb1 Re8
9.Ne1 Nf8 10.b4 a6 11.a4 Rb8 12.Nc2 Be6 13.b5 axb5 14.axb5 d5 15.cxd5 Nxd5
16.Bd2 Nxc3 17.Bxc3 Qd7 18.Rb4 Bh3 19.Bxh3 Qxh3 20.Qa1 Qh5 21.f3 Ne6 22.
Re4 Ra8 23.Ra4 Rad8 24.Qb2 Nd4 25.Ne3 Qg5 26.Nc4 e4 27.fxe4 Nxe2+ 28.Qxe2 
Bxc3 29.Qf3 Re7 30.e5 Bxe5 31.Qxb7 Bd4+ 32.Kh1 Qd5+ 33.Qxd5 Rxd5 34.Rb4 
Re2 35.Rb3 Rh5 36.h4 Rd5 37.Rf4 Bc5 38.Rf3 Kg7 39.Rf4 h5 40.Rf3 Ra2 41.Rf4
Rd8 42.Re4 Rf2 43.d4 f5 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "4"]
[White "Tukmakov, Vladimir"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "D43"]
[EventDate "1970.07.19"]
[PlyCount "44"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Bg5 h6 5.Bxf6 Qxf6 6.Nc3 c6 7.e3 Nd7 8.cxd5 
exd5 9.g3 Nb6 10.Bg2 Bd6 11.O-O O-O 12.Re1 Be6 13.Rb1 Rfd8 14.b4 a6 15.a4 
Qe7 16.Qb3 Nc4 17.e4 dxe4 18.Nxe4 Nb6 19.Nxd6 Qxd6 20.Qc2 Bd5 21.Ne5 Bxg2 
22.Kxg2 Re8 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "4"]
[White "Mecking, Henrique"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[ECO "A59"]
[EventDate "1970.07.19"]
[PlyCount "100"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 g6 7.e4 Bxf1 8.Kxf1 
d6 9.g3 Nbd7 10.Nf3 Bg7 11.Kg2 O-O 12.Nd2 Nb6 13.Qe2 Re8 14.Nc4 Nxc4 15.
Qxc4 Qb6 16.Rd1 Qb4 17.Qe2 Nd7 18.a3 Qb3 19.a4 Reb8 20.Ra3 Qb4 21.Na2 Qb6 
22.b3 Qa6 23.Qc2 Rb7 24.Bb2 Bxb2 25.Qxb2 Ne5 26.Qc2 Rab8 27.f4 Ng4 28.Re1 
h5 29.h3 Nf6 30.Re3 Rb6 31.a5 Rb5 32.Qc4 Ra8 33.b4 Rxa5 34.Qxa6 R5xa6 35.
Rxa6 Rxa6 36.Re2 Nxe4 37.bxc5 dxc5 38.Rxe4 Rxa2+ 39.Kf3 Ra3+ 40.Kg2 Kf8 
41.Rc4 Ra5 42.Kf3 Ke8 43.f5 gxf5 44.Kf4 Kd7 45.Kxf5 Kd6 46.Rh4 Kxd5 47.
Rxh5 Kd4 48.Kg4 Ra6 49.Rh8 c4 50.Kf3 Kd3 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "4"]
[White "Reshevsky, Samuel Herman"]
[Black "Agdamus, Jose Luis"]
[Result "1-0"]
[ECO "E96"]
[EventDate "1970.07.19"]
[PlyCount "82"]

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4 g6 6.Be2 Bg7 7.O-O O-O 8.Re1 c6 
9.Bf1 Re8 10.Rb1 a5 11.d5 Nc5 12.Nd2 Bh6 13.Nb3 Bxc1 14.Rxc1 Nxb3 15.Qxb3 
c5 16.Qd1 Bd7 17.g3 Nh5 18.Qd2 Rf8 19.Bg2 Ng7 20.f4 f6 21.Re2 Ne8 22.Rf1 
Nc7 23.a4 Qe7 24.Ref2 b6 25.h4 Kg7 26.Kh2 h6 27.Bh3 Bxh3 28.Kxh3 Rae8 29.
h5 g5 30.fxg5 fxg5 31.Rf5 Rxf5 32.Rxf5 Rf8 33.Rxf8 Qxf8 34.Qe2 Qf7 35.Kg2 
Qd7 36.b3 Ne8 37.Nd1 Nf6 38.Ne3 Kh7 39.Qf3 Ne8 40.Qf8 Ng7 41.Nf5 g4 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "4"]
[White "Rubinetti, Jorge Alberto"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1970.07.19"]
[PlyCount "116"]

1.Nf3 g6 2.c4 Bg7 3.d4 c5 4.e3 cxd4 5.exd4 Nf6 6.Nc3 O-O 7.Be2 d5 8.O-O 
Nc6 9.h3 dxc4 10.d5 Na5 11.Bf4 Bf5 12.Be5 Rc8 13.Qd4 Qb6 14.Qxb6 axb6 15.
Rfd1 Rfd8 16.Bd4 Nd7 17.Bxg7 Kxg7 18.g4 Bd3 19.Bxd3 cxd3 20.Rxd3 Nc4 21.b3
Nc5 22.Rd4 Nd6 23.Rb1 Nd7 24.Ne4 Rc2 25.a4 Rdc8 26.Kg2 Ra2 27.Nxd6 exd6 
28.Rf4 Re2 29.Rf1 h6 30.Nd4 Re5 31.Rd1 Nf6 32.Nb5 Ne8 33.Rfd4 Rc2 34.Na3 
Ra2 35.Nc4 Ree2 36.R1d2 Raxd2 37.Rxd2 Re4 38.Nxb6 Rb4 39.Nc4 Rxb3 40.Re2 
Kf8 41.a5 Rb4 42.Nb6 Nf6 43.Nc8 Nxd5 44.Rd2 Nf4+ 45.Kg3 d5 46.Nb6 Rd4 47.
Rxd4 Ne2+ 48.Kg2 Nxd4 49.Nd7+ Ke7 50.Nc5 Ne6 51.Nxb7 Kd7 52.a6 Kc7 53.h4 
f6 54.f3 Kb6 55.Nd6 Kxa6 56.Ne8 f5 57.h5 fxg4 58.hxg6 Nf4+ 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "4"]
[White "Smyslov, Vassily"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E56"]
[EventDate "1970.07.19"]
[PlyCount "41"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Bb4 5.e3 O-O 6.Bd3 c5 7.O-O dxc4 8.Bxc4 
Nc6 9.a3 Ba5 10.Bd3 a6 11.Ne4 cxd4 12.exd4 h6 13.b4 Bc7 14.Bb2 Nd5 15.Re1 
b6 16.Rc1 Nce7 17.g3 Bb7 18.Bf1 Rc8 19.Ne5 Bb8 20.Rxc8 Nxc8 21.Bg2 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "5"]
[White "Panno, Oscar"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "A28"]
[EventDate "1970.07.19"]
[PlyCount "42"]

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 O-O 6.d3 d5 7.cxd5 Nxd5 8.Be2 
Be6 9.O-O Bd6 10.a3 h6 11.Ne4 a5 12.b3 Qe7 13.Bb2 f5 14.Nxd6 cxd6 15.Rac1 
Rfc8 16.Qb1 b5 17.Nd2 f4 18.e4 Nb6 19.d4 Nxd4 20.Bxd4 exd4 21.Qd3 Qf6 
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "5"]
[White "Rossetto, Hector Decio"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "E74"]
[EventDate "1970.07.19"]
[PlyCount "61"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 Qa5 8.Kf1 a6 9.
a4 e6 10.h4 exd5 11.exd5 h5 12.Bxf6 Bxf6 13.g4 Qb4 14.Ne4 Qxb2 15.Rb1 Qe5 
16.Nxf6+ Qxf6 17.gxh5 Nd7 18.Nf3 Ne5 19.Nxe5 Qxe5 20.Rb3 Bf5 21.Rg3 Rae8 
22.Rhg1 Qf4 23.Bd3 Kh8 24.Bxf5 Qxf5 25.R1g2 Qxh5 26.Qxh5+ gxh5 27.Rg5 Re5 
28.Rxe5 dxe5 29.Rg5 f6 30.Rxh5+ Kg7 31.Rf5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "5"]
[White "Quinteros, Miguel Angel"]
[Black "Fischer, Robert James"]
[Result "0-1"]
[ECO "A35"]
[EventDate "1970.07.19"]
[PlyCount "84"]

1.c4 g6 2.Nc3 Bg7 3.Nf3 c5 4.d4 cxd4 5.Nxd4 Nc6 6.Nc2 Bxc3+ 7.bxc3 Nf6 8.
f3 d6 9.e4 Be6 10.Be2 Rc8 11.Ne3 Qa5 12.Bd2 Ne5 13.Qb3 Nfd7 14.f4 Nc5 15.
Qc2 Nc6 16.O-O Qa4 17.Qb1 Na5 18.e5 dxe5 19.fxe5 O-O 20.Rf4 Nd7 21.Nd5 
Rfe8 22.Qe4 b5 23.Rxf7 Kxf7 24.Qh4 Kg7 25.Nxe7 Qc2 26.Qh6+ Kh8 27.Rc1 
Qxc1+ 28.Bxc1 Rxe7 29.cxb5 Nc4 30.Qh4 Rf7 31.Qd4 Kg8 32.Bf4 Rc5 33.Bf3 
Rxb5 34.h3 Ncxe5 35.Ba8 Rf8 36.Bxe5 Nxe5 37.Qxa7 Bd5 38.Bxd5+ Rxd5 39.Qe3 
Ra5 40.Qe2 Rfa8 41.a4 Nf7 42.h4 Rxa4 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "5"]
[White "Szabo, Laszlo"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "D90"]
[EventDate "1970.07.19"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.Bd2 O-O 7.Rc1 Nb6 8.e3 
c6 9.Be2 N8d7 10.Ne4 Nf6 11.Nc5 Nbd7 12.Nd3 Ne4 13.Bb4 a5 14.Ba3 Ndf6 15.
O-O Be6 16.Qc2 a4 17.Ra1 Nd6 18.Nc5 Bf5 19.Qd1 Qa5 20.Ne5 Rfe8 21.Rc1 Qa7 
22.Bb4 h5 23.h3 Nde4 24.g4 hxg4 25.hxg4 Bc8 26.Nxe4 Nxe4 27.Bc4 e6 28.Nxf7
Kxf7 29.Qf3+ Nf6 30.g5 Qb6 31.Bd6 Qd8 32.Be5 Rf8 33.Bd3 Ra5 34.Rfd1 Kg8 
35.Bxg6 Nh7 36.Bxh7+ Kxh7 37.Qh5+ Kg8 38.g6 Rf6 39.Bxf6 Qxf6 40.Qxa5 Qxg6+
41.Kf1 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "5"]
[White "Schweber, Samuel"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "B31"]
[EventDate "1970.07.19"]
[PlyCount "36"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 Nf6 6.Nc3 O-O 7.d3 d6 8.Bxc6 
bxc6 9.e5 Nd5 10.exd6 exd6 11.Ne4 f5 12.Bg5 Qc7 13.Nc3 Nxc3 14.bxc3 h6 15.
Re7 Bd7 16.Bf4 Bf6 17.Qe2 Rae8 18.Qe6+ Bxe6 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "5"]
[White "Agdamus, Jose Luis"]
[Black "Garcia, Raimundo"]
[Result "0-1"]
[ECO "E10"]
[EventDate "1970.07.19"]
[PlyCount "150"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 5.Bg5 exd5 6.cxd5 h6 7.Bxf6 Qxf6 8.Nc3 
a6 9.e4 d6 10.Be2 Nd7 11.O-O g6 12.Qc2 Bg7 13.Rae1 O-O 14.a4 bxa4 15.Nxa4 
Rb8 16.Nd2 Nb6 17.Nxb6 Rxb6 18.Nc4 Rb4 19.f4 Bd7 20.e5 dxe5 21.fxe5 Qg5 
22.Bd3 Bb5 23.e6 Qxd5 24.exf7+ Rxf7 25.Rxf7 Qxf7 26.b3 Bd4+ 27.Kh1 Qf2 28.
Qxf2 Bxf2 29.Rb1 Kg7 30.Nd6 Bd4 31.Bxb5 Rxb5 32.Nc4 a5 33.Na3 Rb8 34.g3 a4
35.bxa4 Ra8 36.Nc2 Rxa4 37.Nxd4 Rxd4 38.Rb6 Rd2 39.Rc6 Rc2 40.Kg1 c4 41.
Kf1 h5 42.h4 c3 43.Kg1 Kf8 44.Kf1 Kf7 45.Ke1 Rc1+ 46.Kf2 Ke7 47.Ke2 c2 48.
Kd2 Rg1 49.Rxc2 Rg2+ 50.Kd3 Rxg3+ 51.Ke4 Rg4+ 52.Ke5 Rxh4 53.Rc7+ Kd8 54.
Ra7 Rg4 55.Kd6 Ke8 56.Ke6 Kf8 57.Kf6 Ke8 58.Ke6 Kd8 59.Kd6 Kc8 60.Kc6 Kb8 
61.Rb7+ Ka8 62.Rh7 Rf4 63.Kb6 Rf6+ 64.Kc5 Kb8 65.Kd4 Rf5 66.Ke4 Rg5 67.Kf4
Rg4+ 68.Kf3 Kc8 69.Ra7 Kd8 70.Rg7 Ke8 71.Ra7 Kf8 72.Rh7 Kg8 73.Ra7 Rg5 74.
Rb7 Rf5+ 75.Kg3 Rf7 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "5"]
[White "Bisguier, Arthur Bernard"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[ECO "D46"]
[EventDate "1970.07.19"]
[PlyCount "72"]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.e3 e6 5.Bd3 Nbd7 6.Nbd2 Bd6 7.e4 dxe4 8.Nxe4 
Nxe4 9.Bxe4 Bb4+ 10.Bd2 Bxd2+ 11.Qxd2 O-O 12.O-O-O c5 13.dxc5 Qc7 14.Qd6 
Qxc5 15.Qxc5 Nxc5 16.Bc2 b6 17.b4 Na6 18.Be4 Rb8 19.a3 Bb7 20.Rhe1 Bxe4 
21.Rxe4 Rb7 22.Kb2 Rc7 23.Kb3 Rfc8 24.Red4 Kf8 25.Rd8+ Ke7 26.R1d7+ Rxd7 
27.Rxc8 f6 28.Rg8 g6 29.Rh8 Kd6 30.Rf8 Ke7 31.Ra8 e5 32.Ne1 Rb7 33.Rh8 Ke6
34.Nc2 Nb8 35.Rc8 Kd7 36.Rh8 Ke6 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "5"]
[White "Najdorf, Miguel"]
[Black "Tukmakov, Vladimir"]
[Result "1/2-1/2"]
[ECO "D90"]
[EventDate "1970.07.19"]
[PlyCount "47"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.Bd2 O-O 7.Rc1 Nb6 8.e3 
Nc6 9.Be2 e5 10.dxe5 Nxe5 11.Nxe5 Bxe5 12.O-O Be6 13.b3 c6 14.f4 Bg7 15.
Ne4 Qe7 16.Ng3 Rad8 17.Qe1 Bd5 18.Bd1 Rfe8 19.Bc2 f5 20.Rf2 Nd7 21.Re2 Nf6
22.Bc3 Ne4 23.Bxe4 Bxe4 24.Nxe4 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "5"]
[White "O'Kelly de Galway, Alberic"]
[Black "Damjanovic, Mato"]
[Result "1/2-1/2"]
[ECO "A25"]
[EventDate "1970.07.19"]
[PlyCount "38"]

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1 a5 6.d3 Nf6 7.e4 d6 8.Nge2 h5 9.
h3 h4 10.g4 Nh7 11.Nd5 Ne7 12.Be3 Nxd5 13.cxd5 O-O 14.O-O Bd7 15.Qd2 Re8 
16.Rbc1 Bf6 17.Rc2 c5 18.dxc6 Bxc6 19.Nc3 Bg5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "6"]
[White "Tukmakov, Vladimir"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "B85"]
[EventDate "1970.07.19"]
[PlyCount "43"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Be7 7.O-O O-O 8.Be3 
Nc6 9.f4 Qc7 10.Kh1 a6 11.a4 Na5 12.Qd3 Bd7 13.g4 Kh8 14.g5 Ng8 15.Rf3 Nc6
16.Rg1 Nxd4 17.Bxd4 f5 18.Rh3 e5 19.Nd5 Qd8 20.fxe5 fxe4 21.e6 h6 22.gxh6 
1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "6"]
[White "Damjanovic, Mato"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E70"]
[EventDate "1970.07.19"]
[PlyCount "48"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bd3 Nc6 6.Nf3 Bg4 7.Be3 Bxf3 8.Qxf3 
Nd7 9.O-O Nxd4 10.Qh3 O-O 11.Rad1 c5 12.Bxd4 Bxd4 13.Ne2 Bg7 14.b3 Nb8 15.
f4 Qa5 16.Bb1 Nc6 17.f5 Rae8 18.Rf4 Bf6 19.Rg4 e6 20.fxe6 fxe6 21.Rf4 Nd4 
22.Rf2 Be5 23.Rxf8+ Rxf8 24.Qd3 Qd8 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "6"]
[White "Gheorghiu, Florin"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[ECO "B09"]
[EventDate "1970.07.19"]
[PlyCount "56"]

1.d4 g6 2.e4 Bg7 3.Nc3 d6 4.f4 Nf6 5.Nf3 O-O 6.Bd3 Nc6 7.e5 dxe5 8.fxe5 
Ng4 9.Be4 f6 10.h3 Nh6 11.exf6 exf6 12.O-O Ne7 13.Ne2 Nhf5 14.c3 c6 15.Nf4
Ng3 16.Qb3+ Rf7 17.Re1 Nxe4 18.Rxe4 Nd5 19.Ne6 Bxe6 20.Rxe6 Qd7 21.Re2 Re8
22.Rxe8+ Qxe8 23.Bd2 Bf8 24.c4 Nb6 25.Re1 Qd7 26.a4 Re7 27.Rxe7 Qxe7 28.a5
Nc8 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "6"]
[White "Reshevsky, Samuel Herman"]
[Black "Szabo, Laszlo"]
[Result "1-0"]
[ECO "E56"]
[EventDate "1970.07.19"]
[PlyCount "59"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nf3 O-O 6.Bd3 d5 7.O-O dxc4 8.Bxc4 
Nc6 9.a3 Ba5 10.Bd3 cxd4 11.exd4 Bb6 12.Be3 h6 13.h3 Nd5 14.Nxd5 exd5 15.
Bc2 Qd6 16.Re1 Bc7 17.Rc1 Be6 18.Qd3 f5 19.Bd2 Rfe8 20.Ba4 Bf7 21.Bxc6 
bxc6 22.Ne5 Rxe5 23.Rxe5 g6 24.Bb4 Qf6 25.Be7 Bxe5 26.Bxf6 Bxf6 27.Rxc6 
Kg7 28.Rxf6 Kxf6 29.Qa6+ Be6 30.b4 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "6"]
[White "Rubinetti, Jorge Alberto"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "C61"]
[EventDate "1970.07.19"]
[PlyCount "153"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O c6 6.Ba4 Nf6 7.d3 d6 8.c3 
dxc3 9.Nxc3 Be7 10.d4 O-O 11.Bc2 d5 12.e5 Ne8 13.f4 f5 14.Be3 Be6 15.Kh1 
Qd7 16.Qd2 b6 17.Rad1 Nc7 18.Ba4 a5 19.a3 b5 20.Bb3 a4 21.Bc2 Ra7 22.Na2 
Na8 23.Qc1 Nb6 24.Bd2 Rc8 25.Bb4 c5 26.Bxc5 Bxc5 27.dxc5 Rxc5 28.Rd4 Rac7 
29.Nb4 Qc8 30.Rf2 Nc4 31.h3 Na5 32.Qd2 Qa8 33.Kh2 Qa7 34.Qd1 h6 35.Qf3 Rc8
36.Rd1 Nc4 37.Bd3 Na5 38.g4 fxg4 39.hxg4 Qc7 40.Re1 Rc1 41.Rxc1 Qxc1 42.f5
Rf8 43.Qg3 Bc8 44.Nxd5 Qc5 45.Nc3 Nc6 46.e6 Nd4 47.Ne4 Qd5 48.e7 Re8 49.
Qd6 Qxd6+ 50.Nxd6 Rxe7 51.Nxc8 Re3 52.Bf1 Nf3+ 53.Kg3 Ng5+ 54.Kg2 Re4 55.
Be2 b4 56.Nd6 Rd4 57.Nb5 Re4 58.axb4 Rxb4 59.Nc3 Kh7 60.Bd1 Rd4 61.Rc2 Nf7
62.Be2 Nd6 63.Kf2 Nf7 64.Nb5 Rb4 65.Rc7 Ng5 66.Rc2 Rb3 67.Na3 Nh3+ 68.Ke1 
Nf4 69.Bb5 Rg3 70.Bxa4 Rxg4 71.Bb5 h5 72.Rf2 Kh6 73.Nc2 Kg5 74.Bf1 Rg1 75.
Kd2 Rh1 76.Nd4 Nd5 77.Bg2 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "6"]
[White "Schweber, Samuel"]
[Black "Quinteros, Miguel Angel"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1970.07.19"]
[PlyCount "124"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O c6 7.Nc3 Qa5 8.h3 e5 9.
e4 Nbd7 10.Be3 Qb4 11.Qe2 exd4 12.a3 Qa5 13.Nxd4 Re8 14.Rfe1 Qc7 15.Rad1 
Ne5 16.f4 Ned7 17.g4 Nc5 18.Ndb5 cxb5 19.Nxb5 Qe7 20.Nxd6 Ncxe4 21.Nxe8 
Nxe8 22.Bxe4 Qxe4 23.Qf2 Be6 24.b3 Nf6 25.f5 Nxg4 26.hxg4 Qxg4+ 27.Qg2 
Bxf5 28.Rd6 Qxg2+ 29.Kxg2 Bf8 30.Rd2 Bxa3 31.Red1 Be7 32.Rd7 Bxd7 33.Rxd7 
Kf8 34.Rxb7 a6 35.b4 Rc8 36.c5 a5 37.bxa5 Bxc5 38.Bd2 Ra8 39.Rb5 Bd6 40.
Kf3 Ke8 41.Ke4 Bc7 42.Rd5 h5 43.Be1 h4 44.Rd3 Ra6 45.Bxh4 Rxa5 46.Bf6 Rf5 
47.Bd4 Ke7 48.Rc3 Bd6 49.Rc6 Ke6 50.Rc8 Rf4+ 51.Ke3 Kd5 52.Bg7 g5 53.Rd8 
Ke6 54.Bd4 f6 55.Kd3 Be5 56.Be3 Rb4 57.Ke2 Rb2+ 58.Kf1 Kf5 59.Ra8 Ke4 60.
Bf2 Rb1+ 61.Ke2 Ra1 62.Rd8 g4 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "6"]
[White "Smyslov, Vassily"]
[Black "Agdamus, Jose Luis"]
[Result "1/2-1/2"]
[ECO "A41"]
[EventDate "1970.07.19"]
[PlyCount "116"]

1.c4 g6 2.Nc3 Bg7 3.d4 d6 4.Nf3 e5 5.dxe5 dxe5 6.Qxd8+ Kxd8 7.Ng5 Ke8 8.
Nb5 Na6 9.Be3 Bh6 10.Bd2 f6 11.Ne4 Bxd2+ 12.Kxd2 Ke7 13.e3 Nh6 14.Be2 Nf7 
15.Kc3 c6 16.Na3 Bf5 17.Ng3 Be6 18.Nc2 Rhd8 19.b4 Rac8 20.Rad1 Rxd1 21.
Rxd1 Nc7 22.a3 Rd8 23.Rxd8 Kxd8 24.Ne4 Ke7 25.Nc5 Bc8 26.f4 Ne6 27.Nd3 Nc7
28.fxe5 fxe5 29.Bf3 Bf5 30.Nc5 Nd6 31.e4 Bc8 32.Ne3 h5 33.Nd3 Nf7 34.h4 
Ne8 35.c5 Be6 36.a4 Nf6 37.b5 Kd7 38.b6 a6 39.Nc4 Bxc4 40.Kxc4 Kd8 41.g3 
Kc8 42.Kb4 g5 43.Bd1 g4 44.Bc2 Kb8 45.Nb2 Kc8 46.Nc4 Kd7 47.Bd3 Kc8 48.Ne3
Nd8 49.Nf5 Ne6 50.Bc4 Nd8 51.Nd6+ Kd7 52.a5 Ne8 53.Nf5 Nf6 54.Bd3 Kc8 55.
Ne7+ Kb8 56.Ng6 Nd7 57.Bc4 Nf6 58.Bd3 Nd7 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "6"]
[White "Garcia, Raimundo"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "A41"]
[EventDate "1970.07.19"]
[PlyCount "89"]

1.Nf3 g6 2.d4 Bg7 3.c4 d6 4.g3 e6 5.Bg2 Ne7 6.O-O Nd7 7.Nc3 O-O 8.b3 e5 9.
dxe5 Nxe5 10.Nxe5 Bxe5 11.Bb2 Rb8 12.Qd2 Bg7 13.Rfd1 Bf5 14.e4 Bg4 15.f3 
Be6 16.Nd5 Nxd5 17.Bxg7 Kxg7 18.cxd5 Bd7 19.Qd4+ Kg8 20.Qxa7 f5 21.exf5 
Bxf5 22.Qd4 Ra8 23.a4 Qg5 24.Rac1 Rf7 25.Re1 h5 26.Rc3 Raf8 27.f4 Qd8 28.
h4 Re8 29.Rce3 Rfe7 30.Kf2 Rxe3 31.Rxe3 Rxe3 32.Kxe3 Qa8 33.Bf1 Qa5 34.Kf2
Kh7 35.Bb5 Bc2 36.b4 Qa8 37.a5 Qc8 38.Bf1 Qd7 39.b5 Qf5 40.a6 bxa6 41.bxa6
Bb3 42.Bg2 Qc2+ 43.Kg1 Qb1+ 44.Kh2 Qa2 45.a7 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "6"]
[White "Fischer, Robert James"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1-0"]
[ECO "C98"]
[EventDate "1970.07.19"]
[PlyCount "71"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 13.dxc5 dxc5 14.Nf1 Be6 15.Ne3 
Rad8 16.Qe2 c4 17.Nf5 Rfe8 18.Bg5 Nd7 19.Bxe7 Nxe7 20.Ng5 h6 21.Nxe6 fxe6 
22.Ne3 Ng6 23.g3 Nf6 24.Red1 Rxd1+ 25.Rxd1 Rd8 26.Rxd8+ Qxd8 27.b3 cxb3 
28.Bxb3 Nf8 29.c4 Qd7 30.Qc2 Qb7 31.cxb5 axb5 32.Ng4 N6d7 33.Qd3 Qc6 34.
Qe3 Kf7 35.Nxe5+ Nxe5 36.Qf4+ 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "7"]
[White "Mecking, Henrique"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1/2-1/2"]
[ECO "E45"]
[EventDate "1970.07.19"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.a3 Bxc3+ 7.Nxc3 d5 8.cxd5 
Bxf1 9.Kxf1 exd5 10.g3 O-O 11.b4 c6 12.Kg2 Nbd7 13.a4 a6 14.b5 axb5 15.Ba3
b4 16.Bxb4 Re8 17.Qb3 h5 18.h3 h4 19.g4 Nh7 20.Qc2 Qf6 21.Qf5 Qxf5 22.gxf5
Nhf6 23.Bd6 Ra5 24.Rac1 c5 25.dxc5 Nxc5 26.Bc7 Nxa4 27.Nxa4 Rxa4 28.Bxb6 
Ra2 29.Ra1 Rxa1 30.Rxa1 Re5 31.Ra8+ Kh7 32.Ra4 Rxf5 33.Rxh4+ Kg8 34.f3 Nh7
35.Kg3 Ng5 36.Rf4 Rxf4 37.Kxf4 Nxh3+ 38.Ke5 f6+ 39.Kxd5 Kf7 40.e4 Nf4+ 41.
Kd4 Ke6 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "7"]
[White "Agdamus, Jose Luis"]
[Black "Tukmakov, Vladimir"]
[Result "0-1"]
[ECO "E92"]
[EventDate "1970.07.19"]
[PlyCount "80"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.d5 a5 8.Bg5 h6 9.
Bh4 Qe8 10.Nd2 Na6 11.O-O Nh7 12.a3 Bd7 13.Rb1 a4 14.Nb5 h5 15.f3 Bh6 16.
b4 axb3 17.Nxb3 Be3+ 18.Bf2 Bxf2+ 19.Rxf2 b6 20.a4 Bxb5 21.cxb5 Nc5 22.
Nxc5 dxc5 23.Ra1 Qe7 24.a5 Rxa5 25.Rxa5 bxa5 26.Qa1 Ra8 27.Bf1 Nf6 28.Qc3 
Nd7 29.Bc4 a4 30.Ba2 a3 31.Qc4 Nb6 32.Qc3 Ra4 33.g3 c4 34.f4 exf4 35.Rxf4 
Nd7 36.e5 Nxe5 37.Re4 f6 38.Qc2 Qc5+ 39.Kf1 Qxd5 40.Rxe5 Qh1+ 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "7"]
[White "Bisguier, Arthur Bernard"]
[Black "Reshevsky, Samuel Herman"]
[Result "0-1"]
[ECO "D94"]
[EventDate "1970.07.19"]
[PlyCount "72"]

1.d4 Nf6 2.c4 c5 3.e3 g6 4.Nc3 Bg7 5.Nf3 O-O 6.Be2 d5 7.O-O cxd4 8.Nxd4 
dxc4 9.Bxc4 a6 10.Qe2 e5 11.Nc2 e4 12.Nd4 b5 13.Bb3 Bb7 14.Rd1 Qe7 15.a4 
b4 16.Nb1 Nbd7 17.Nd2 Nc5 18.a5 Nfd7 19.Bc2 Ne5 20.N2b3 Ncd3 21.Bxd3 Nxd3 
22.Rxd3 exd3 23.Qxd3 Be4 24.Qf1 Bd5 25.Ra4 Rfc8 26.Bd2 Bxb3 27.Nxb3 Bxb2 
28.Rxb4 Bc3 29.Rc4 Rxc4 30.Qxc4 Bxd2 31.Nxd2 Qd8 32.Qa2 Rc8 33.h3 Qd3 34.
Nf3 Rc1+ 35.Kh2 Qd6+ 36.g3 Qd1 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "7"]
[White "Najdorf, Miguel"]
[Black "Fischer, Robert James"]
[Result "1/2-1/2"]
[ECO "D41"]
[EventDate "1970.07.19"]
[PlyCount "79"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bc4 cxd4 8.exd4 
Be7 9.O-O a6 10.Re1 O-O 11.a3 b5 12.Bd3 Bb7 13.Nxd5 Qxd5 14.Be4 Qd7 15.Bf4
Rfd8 16.Qc2 g6 17.Rad1 Rac8 18.Qe2 Bf6 19.Ne5 Bxe5 20.dxe5 Nd4 21.Qe3 Bxe4
22.Qxe4 Qd5 23.Qxd5 Rxd5 24.Kf1 Rc2 25.Rd3 Nc6 26.Rxd5 exd5 27.Bh6 d4 28.
Rd1 a5 29.Rd2 Rc4 30.f4 a4 31.Ke2 Na5 32.Kd3 Nb3 33.Rc2 Nc5+ 34.Kd2 f5 35.
exf6 Kf7 36.Bg5 d3 37.Rxc4 bxc4 38.Ke3 Ne6 39.g4 Nxg5 40.fxg5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "7"]
[White "O'Kelly de Galway, Alberic"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[ECO "A56"]
[EventDate "1970.07.19"]
[PlyCount "87"]

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 e5 5.e4 Be7 6.g3 O-O 7.Bg2 Ne8 8.Nge2 a6 9.
O-O Bf6 10.a3 Nd7 11.Be3 b5 12.cxb5 axb5 13.Nxb5 Qb6 14.Nec3 Ba6 15.a4 Nc7
16.Qe2 Rab8 17.Bh3 Rfd8 18.b4 Nxb5 19.axb5 Bxb5 20.Nxb5 Qxb5 21.Qxb5 Rxb5 
22.Bxd7 Rxd7 23.bxc5 dxc5 24.Rfb1 Rxb1+ 25.Rxb1 Be7 26.Rb8+ Rd8 27.Rxd8+ 
Bxd8 28.Bxc5 f6 29.f4 Kf7 30.Bd6 Bb6+ 31.Kg2 Bd4 32.Kf3 h5 33.fxe5 fxe5 
34.g4 g6 35.Kg3 Bc3 36.gxh5 gxh5 37.Kh4 Kg6 38.Bc7 Be1+ 39.Kh3 Kf6 40.Bd8+
Kf7 41.Bc7 Kf6 42.d6 Ke6 43.d7 Kxd7 44.Bxe5 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "7"]
[White "Panno, Oscar"]
[Black "Damjanovic, Mato"]
[Result "1-0"]
[ECO "A41"]
[EventDate "1970.07.19"]
[PlyCount "111"]

1.c4 e5 2.Nc3 Nc6 3.Nf3 d6 4.d4 Bg4 5.d5 Nb8 6.e4 Nd7 7.Be2 Ngf6 8.Be3 Be7
9.O-O O-O 10.Nd2 Bxe2 11.Qxe2 Ne8 12.b4 Bg5 13.c5 Bxe3 14.Qxe3 dxc5 15.
bxc5 b6 16.Nb3 Nxc5 17.Nxc5 bxc5 18.Qxc5 Nd6 19.f3 h5 20.Nb5 Nxb5 21.Qxb5 
Rb8 22.Qc5 Rb6 23.Rac1 Qg5 24.Qxc7 Rb2 25.Rc2 Rfb8 26.Qc3 Rb1 27.Rf2 Qf6 
28.h3 R1b4 29.Qc7 R8b7 30.Qc5 Kh7 31.Rd2 R4b5 32.Qe3 R7b6 33.Rfd1 Qd6 34.
Kh2 Rc5 35.Qf2 Rc3 36.Rc2 Ra3 37.Rdc1 Qh6 38.Rd1 Qd6 39.Rb2 Rba6 40.Rc1 
Qh6 41.Rc7 Rf6 42.Qg3 Rf4 43.Rc6 g6 44.Qf2 Qg5 45.Rb3 Rxb3 46.axb3 h4 47.
b4 f5 48.exf5 Rxf5 49.Rc4 Rf4 50.Re4 a6 51.d6 Kg7 52.Qd2 Qg3+ 53.Kh1 Rxf3 
54.gxf3 Qxh3+ 55.Kg1 Qxf3 56.d7 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "7"]
[White "Quinteros, Miguel Angel"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A39"]
[EventDate "1970.07.19"]
[PlyCount "53"]

1.c4 g6 2.Nc3 c5 3.Nf3 Bg7 4.d4 Nf6 5.g3 O-O 6.Bg2 Nc6 7.O-O cxd4 8.Nxd4 
Nxd4 9.Qxd4 d6 10.b3 d5 11.cxd5 Nxd5 12.Qxd5 Bxc3 13.Bh6 Bxa1 14.Bxf8 Qxd5
15.Bxd5 Kxf8 16.Rxa1 Rb8 17.Rc1 Ke8 18.Kf1 Bh3+ 19.Ke1 Rc8 20.Rxc8+ Bxc8 
21.Kd2 e6 22.Bg2 Ke7 23.f4 Kd6 24.Kc3 b6 25.Kd4 f6 26.e3 e5+ 27.Kc3 
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "7"]
[White "Rossetto, Hector Decio"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "D27"]
[EventDate "1970.07.19"]
[PlyCount "30"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.dxc5 Qxd1 8.Rxd1 
Bxc5 9.a3 Ke7 10.b4 Bd6 11.Bb2 Bd7 12.Ne5 Rc8 13.Bb3 Bxe5 14.Bxe5 Bb5 15.
Nd2 Nbd7 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "7"]
[White "Szabo, Laszlo"]
[Black "Garcia, Raimundo"]
[Result "1/2-1/2"]
[ECO "E70"]
[EventDate "1970.07.19"]
[PlyCount "32"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nge2 e5 6.d5 c5 7.Bg5 h6 8.Bh4 a6 9.
a4 Qa5 10.f3 Nbd7 11.Nc1 Nh7 12.Bd3 O-O 13.O-O Ng5 14.Qc2 Qd8 15.Kh1 a5 
16.N1e2 Nf6 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "8"]
[White "Gheorghiu, Florin"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "E01"]
[EventDate "1970.07.19"]
[PlyCount "81"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 e6 5.g3 d5 6.Bg2 e5 7.Nb3 d4 8.O-O Nc6 
9.e3 Bg4 10.Qd3 e4 11.Bxe4 Nb4 12.Qxd4 Qxd4 13.Nxd4 Nxe4 14.f3 Bh3 15.fxe4
Bxf1 16.Kxf1 Bc5 17.a3 Bxd4 18.axb4 Be5 19.Ra2 h5 20.Bd2 h4 21.Kg2 f6 22.
Nc3 hxg3 23.hxg3 O-O-O 24.Nd5 Kb8 25.Bc3 Bxc3 26.bxc3 Rde8 27.Kf3 Re5 28.
Rd2 Rh1 29.c5 Rg5 30.Nf4 Rh8 31.Ne6 Re5 32.Nxg7 Rg8 33.Rd7 b6 34.cxb6 axb6
35.Nf5 Rc8 36.Rd6 Kb7 37.Rxf6 Rxc3 38.Kf4 Rb5 39.Nd6+ Ka6 40.Nxb5 Kxb5 41.
g4 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "8"]
[White "Fischer, Robert James"]
[Black "Panno, Oscar"]
[Result "1-0"]
[ECO "A04"]
[EventDate "1970.07.19"]
[PlyCount "71"]

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 g6 5.Bg2 Bg7 6.O-O Nge7 7.Re1 d6 8.c3 O-O 
9.d4 cxd4 10.cxd4 d5 11.e5 Bd7 12.Nc3 Rc8 13.Bf4 Na5 14.Rc1 b5 15.b3 b4 
16.Ne2 Bb5 17.Qd2 Nac6 18.g4 a5 19.Ng3 Qb6 20.h4 Nb8 21.Bh6 Nd7 22.Qg5 
Rxc1 23.Rxc1 Bxh6 24.Qxh6 Rc8 25.Rxc8+ Nxc8 26.h5 Qd8 27.Ng5 Nf8 28.Be4 
Qe7 29.Nxh7 Nxh7 30.hxg6 fxg6 31.Bxg6 Ng5 32.Nh5 Nf3+ 33.Kg2 Nh4+ 34.Kg3 
Nxg6 35.Nf6+ Kf7 36.Qh7+ 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "8"]
[White "Garcia, Raimundo"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "E17"]
[EventDate "1970.07.19"]
[PlyCount "47"]

1.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.d4 Nbd7 7.b3 b6 8.Bb2 Bb7 
9.Nbd2 c5 10.e3 dxc4 11.Nxc4 b5 12.Nce5 Nxe5 13.Nxe5 Bxg2 14.Kxg2 Qd5+ 15.
Qf3 c4 16.bxc4 bxc4 17.Rfc1 Rac8 18.Rab1 Bd6 19.Qxd5 exd5 20.Bc3 Ba3 21.
Re1 Ne4 22.Bb4 Bxb4 23.Rxb4 f6 24.Nf3 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "8"]
[White "Quinteros, Miguel Angel"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "E09"]
[EventDate "1970.07.19"]
[PlyCount "114"]

1.c4 e6 2.g3 d5 3.Nf3 Nf6 4.Bg2 Be7 5.O-O O-O 6.d4 c6 7.Qc2 Nbd7 8.Nbd2 b6
9.e4 Bb7 10.b3 Rc8 11.Bb2 Qc7 12.Rfe1 Rfd8 13.Rad1 dxe4 14.Nxe4 c5 15.d5 
exd5 16.Nc3 Re8 17.cxd5 Bf8 18.Nd2 Rxe1+ 19.Rxe1 a6 20.a4 Qb8 21.Nc4 Re8 
22.Rd1 Ba8 23.Ne4 b5 24.axb5 axb5 25.Ne3 Nxe4 26.Bxe4 g6 27.Qc3 Ne5 28.f4 
Bg7 29.Kh1 Bf6 30.Qc1 Nd7 31.Bxf6 Nxf6 32.Bg2 Qd6 33.Kg1 h5 34.f5 Qe5 35.
Nf1 Qxf5 36.Qxc5 Qg4 37.Rd2 Ne4 38.Qxb5 Rd8 39.Rd4 Nd6 40.Qb6 Qc8 41.Rd1 
Nf5 42.Ne3 Nxe3 43.Qxe3 Qb7 44.Rd2 Qb5 45.Qd3 Qb6+ 46.Kh1 Re8 47.Re2 Rxe2 
48.Qxe2 Qxb3 49.Qe8+ Kg7 50.Qe5+ Kh7 51.h3 Qa2 52.Be4 Qf2 53.Qxh5+ Kg8 54.
Qh4 Kg7 55.Qf4 Qxf4 56.gxf4 Kf6 57.h4 Bxd5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "8"]
[White "Reshevsky, Samuel Herman"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[ECO "D47"]
[EventDate "1970.07.19"]
[PlyCount "109"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 e6 5.Nf3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 b4
9.Na4 c5 10.dxc5 Nxc5 11.Nxc5 Bxc5 12.O-O O-O 13.e4 Bb7 14.Qe2 h6 15.Bf4 
Qe7 16.Rac1 Rac8 17.e5 Nd7 18.Nd2 Bd4 19.Nc4 Bd5 20.Rcd1 f6 21.exf6 Qxf6 
22.Bg3 Nc5 23.Nd6 Rcd8 24.Bb1 e5 25.Rxd4 exd4 26.Qc2 Rxd6 27.Qxc5 Rd7 28.
Qxb4 Re8 29.Bd3 Kh8 30.h4 Bg8 31.Rd1 Red8 32.a4 Qb6 33.Qd2 Bh7 34.Bb5 Re7 
35.Qb4 Rb7 36.Qc4 d3 37.Be5 Re7 38.Bc3 Qe6 39.Qc5 Rb7 40.Ba5 Rc8 41.Qd4 
Qe2 42.Re1 Qh5 43.Re5 Qf7 44.Rd5 Re7 45.Rd8+ Rxd8 46.Qxd8+ Bg8 47.Qxd3 Qf4
48.Qd2 Qe4 49.Bc3 Qxh4 50.Qd6 Re4 51.Qg6 Re7 52.Bd3 Qg5 53.Qxg5 hxg5 54.f3
Be6 55.Bb5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "8"]
[White "Schweber, Samuel"]
[Black "Najdorf, Miguel"]
[Result "1-0"]
[ECO "B53"]
[EventDate "1970.07.19"]
[PlyCount "84"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.c4 Nf6 8.Nc3
e6 9.Bg5 Be7 10.O-O O-O 11.Rfe1 h6 12.Bh4 a6 13.Rad1 Qa5 14.Qd2 Qb6 15.Nd4
Rac8 16.Re3 Rfe8 17.Qe2 Bd7 18.Nb3 Qc7 19.Nd2 b5 20.cxb5 axb5 21.a3 Rb8 
22.e5 dxe5 23.Bxf6 Bxf6 24.Nde4 Be7 25.Rg3 Kh8 26.Qh5 Rf8 27.Rdd3 Rg8 28.
Qxf7 Qd8 29.Qh5 b4 30.Rg6 Kh7 31.Rh3 Qf8 32.Rf3 Be8 33.Rxf8 Bxg6 34.Rxg8 
Rxg8 35.Qxe5 bxc3 36.Nxc3 Bf6 37.Qe3 Rb8 38.Qc1 Bd4 39.h4 Rf8 40.Qd2 e5 
41.Nd1 Bh5 42.Ne3 Rb8 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "8"]
[White "Tukmakov, Vladimir"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1970.07.19"]
[PlyCount "81"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 Bf5 4.d3 e6 5.O-O Nbd7 6.Qe1 c6 7.Nh4 Bg6 8.e4 Be7
9.Nd2 Ng4 10.Ndf3 dxe4 11.dxe4 Nge5 12.Nxe5 Nxe5 13.Bf4 Nd7 14.Rd1 Qb6 15.
Nxg6 hxg6 16.Qc3 Nf6 17.Bd6 Bxd6 18.Rxd6 O-O 19.e5 Nd5 20.Qa3 a5 21.c3 
Rad8 22.Rd1 Rxd6 23.exd6 Rd8 24.c4 Nb4 25.Qb3 Qa7 26.h4 Na6 27.Bf3 Rd7 28.
Kg2 Qc5 29.a3 a4 30.Qxa4 Rxd6 31.b4 Qe5 32.Rxd6 Qxd6 33.Qa5 Qd4 34.Bxc6 
Nxb4 35.axb4 bxc6 36.Qa8+ Kh7 37.Qxc6 e5 38.b5 f5 39.b6 e4 40.b7 Qb2 41.
Qb5 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "8"]
[White "Damjanovic, Mato"]
[Black "Agdamus, Jose Luis"]
[Result "1-0"]
[ECO "B31"]
[EventDate "1970.07.19"]
[PlyCount "71"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.Bxc6 dxc6 7.a4 Ne7 8.d3 
O-O 9.Nbd2 Be6 10.b3 Qc7 11.Nc4 Rae8 12.h3 f5 13.Bb2 Bxc4 14.dxc4 fxe4 15.
Rxe4 Nf5 16.Qe1 Nd6 17.Bxe5 Qe7 18.Bxg7 Qxg7 19.Re5 Rxe5 20.Qxe5 Qxe5 21.
Nxe5 Re8 22.Nd7 Re2 23.Nxc5 b6 24.Rd1 Nxc4 25.Rd8+ Kg7 26.Rd7+ Kh6 27.Nd3 
Na5 28.f4 Rxc2 29.Ne5 g5 30.f5 Rc1+ 31.Kh2 g4 32.Nxg4+ Kg5 33.f6 Nxb3 34.
Rg7+ Kh5 35.Ne3 Nd4 36.f7 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "8"]
[White "Smyslov, Vassily"]
[Black "Szabo, Laszlo"]
[Result "1-0"]
[ECO "A27"]
[EventDate "1970.07.19"]
[PlyCount "61"]

1.c4 g6 2.Nf3 Bg7 3.Nc3 e5 4.d4 exd4 5.Nxd4 Nc6 6.Nxc6 bxc6 7.g3 Qe7 8.Bg2
Qb4 9.O-O Ne7 10.Qd3 Ba6 11.Nb5 cxb5 12.Bxa8 bxc4 13.Qe3 Qb6 14.Bf3 Qxe3 
15.Bxe3 Bxb2 16.Rab1 c3 17.Bc1 d5 18.Bxb2 cxb2 19.Rxb2 Kd7 20.Rd1 c6 21.
Rb4 Ra8 22.e4 Kd6 23.exd5 cxd5 24.Rbd4 Bb7 25.Rb1 Bc6 26.Rdb4 Kc7 27.g4 
Rf8 28.R4b3 a5 29.Re1 Nc8 30.Rc1 Ne7 31.Re3 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "9"]
[White "Bisguier, Arthur Bernard"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "C49"]
[EventDate "1970.07.19"]
[PlyCount "55"]

1.e4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.Bb5 Bb4 5.O-O O-O 6.Bxc6 bxc6 7.Nxe5 Bxc3 8.
dxc3 Nxe4 9.Qd4 Nd6 10.Re1 f6 11.Nd3 Nf7 12.c4 d6 13.b3 Bf5 14.Bb2 c5 15.
Qc3 Qd7 16.Rad1 Bxd3 17.Rxd3 Rfe8 18.Rde3 Rxe3 19.Rxe3 Re8 20.Kf1 Rxe3 21.
Qxe3 Nd8 22.Qf3 c6 23.Bc1 Ne6 24.Be3 Nf8 25.Qe4 Kf7 26.Qd3 Ke7 27.Bf4 Qe6 
28.Qd2 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "9"]
[White "Mecking, Henrique"]
[Black "Garcia, Raimundo"]
[Result "1/2-1/2"]
[ECO "A43"]
[EventDate "1970.07.19"]
[PlyCount "82"]

1.e4 e6 2.d4 c5 3.d5 exd5 4.exd5 d6 5.Nf3 Nf6 6.Nc3 Be7 7.Be2 O-O 8.O-O 
Na6 9.Re1 Nc7 10.a4 h6 11.h3 b6 12.Nh2 Re8 13.Nf1 Bf8 14.Bf4 Bb7 15.Ne3 a6
16.Bf3 b5 17.Qd3 b4 18.Ne2 a5 19.c4 Nd7 20.Qb1 Bc8 21.b3 Ra7 22.Ra2 Ne5 
23.Be4 g6 24.Nc1 f5 25.Bc2 Na6 26.Nd3 Nb8 27.Nf1 Nbd7 28.Bd1 Nxd3 29.Rxe8 
Qxe8 30.Qxd3 Ne5 31.Qg3 Bg7 32.Bc1 Re7 33.Re2 Kh7 34.f4 Nd7 35.Qe1 Bd4+ 
36.Be3 Bc3 37.Bd2 Rxe2 38.Qxe2 Qxe2 39.Bxe2 Bb2 40.Bd3 Nf6 41.Kf2 Kg7 
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "9"]
[White "Agdamus, Jose Luis"]
[Black "Fischer, Robert James"]
[Result "0-1"]
[ECO "A50"]
[EventDate "1970.07.19"]
[PlyCount "70"]

1.d4 Nf6 2.c4 b6 3.Nc3 Bb7 4.f3 d5 5.cxd5 Nxd5 6.Nxd5 Qxd5 7.e4 Qd7 8.Bc4 
g6 9.Qb3 e6 10.Ne2 Bg7 11.Be3 Nc6 12.Rd1 Na5 13.Qc2 Qc6 14.Bd3 Qxc2 15.
Bxc2 O-O-O 16.Kf2 Rd6 17.b3 Nc6 18.Rd2 Rhd8 19.Rhd1 Nb4 20.Bb1 Ba6 21.a3 
Nc6 22.Bd3 Bxd3 23.Rxd3 f5 24.R3d2 Na5 25.e5 R6d7 26.Nc1 Bf8 27.b4 Nc4 28.
Ra2 Nxe5 29.Rc2 b5 30.Ne2 Nc4 31.Rc3 e5 32.f4 exd4 33.Rxd4 Nxe3 34.Kxe3 
Rxd4 35.Nxd4 Rxd4 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "9"]
[White "Rubinetti, Jorge Alberto"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "B30"]
[EventDate "1970.07.19"]
[PlyCount "42"]

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 g6 5.d4 cxd4 6.Nxd4 d6 7.Bg2 a6 8.Nxc6 bxc6
9.O-O Bg7 10.c4 Ne7 11.Qc2 O-O 12.Nc3 Rb8 13.c5 d5 14.Rd1 Qc7 15.Bf4 e5 
16.Bg5 d4 17.Na4 Be6 18.b3 f6 19.Bd2 f5 20.f3 Nc8 21.Qd3 Qb7 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "Quinteros, Miguel Angel"]
[Result "0-1"]
[ECO "A56"]
[EventDate "1970.07.19"]
[PlyCount "122"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.g3 Be7 6.Bh3 Nbd7 7.a4 O-O 8.e4 Ne8 9.
Nf3 b6 10.O-O g6 11.Bh6 Ng7 12.Qd3 a5 13.Kg2 Nf6 14.Bxc8 Qxc8 15.h3 Kh8 
16.Nh2 Ng8 17.Bxg7+ Kxg7 18.f4 f6 19.Rf2 Qd7 20.Raf1 Nh6 21.Nb5 Rae8 22.
Nf3 Rf7 23.Qd2 Ref8 24.Ne1 Bd8 25.Nd3 Be7 26.g4 g5 27.fxg5 fxg5 28.Rf5 
Nxf5 29.exf5 h5 30.Nf2 hxg4 31.hxg4 Rh8 32.Ne4 Kf8 33.Nxg5 Rh4 34.Ne6+ Kg8
35.Kf3 Rfh7 36.Rg1 Qe8 37.Nc3 Rh2 38.Rg2 R7h3+ 39.Ke4 Rh1 40.Ng5 Rxc3 41.
bxc3 Qxa4 42.f6 Bxf6 43.Rf2 Rd1 44.Qe3 Rf1 45.Ne6 Qxc4+ 46.Kf5 Bh4 47.Rf3 
e4 48.Rxf1 Qxf1+ 49.Kxe4 Qc4+ 50.Kf3 Qxd5+ 51.Qe4 Qxe4+ 52.Kxe4 a4 53.Kd3 
b5 54.Nc7 b4 55.cxb4 cxb4 56.Kc4 a3 57.Kb3 Bf2 58.g5 Kf7 59.Nd5 Be1 60.Nc7
Kg6 61.Nb5 Bg3 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "9"]
[White "O'Kelly de Galway, Alberic"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A16"]
[EventDate "1970.07.19"]
[PlyCount "33"]

1.c4 Nf6 2.Nf3 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.dxc3 Qxd1+ 7.Kxd1 Bg7 
8.Be3 Nd7 9.Nd2 Ne5 10.h3 Bd7 11.Kc2 Ba4+ 12.b3 Bc6 13.f3 O-O-O 14.Re1 Nd7
15.a4 Kb8 16.Be2 e6 17.Rd1 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "9"]
[White "Panno, Oscar"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[ECO "E61"]
[EventDate "1970.07.19"]
[PlyCount "83"]

1.c4 Nf6 2.g3 g6 3.d4 Bg7 4.Bg2 O-O 5.Nc3 c5 6.d5 d6 7.Nh3 Na6 8.O-O Nc7 
9.a4 Rb8 10.Nf4 b6 11.Rb1 Nd7 12.Nd3 a6 13.Qc2 b5 14.cxb5 axb5 15.b4 bxa4 
16.bxc5 Rxb1 17.Nxb1 Nxc5 18.Nxc5 dxc5 19.Qxc5 Ba6 20.Nc3 Qd6 21.Qa5 Ra8 
22.Bf4 Bxc3 23.Qxc3 Nxd5 24.Bxd6 Nxc3 25.Bxa8 exd6 26.Ra1 Nxe2+ 27.Kg2 Bb5
28.Rd1 Kf8 29.Bf3 d5 30.Rxd5 Nc3 31.Rc5 a3 32.Rxc3 a2 33.Ra3 Bc4 34.Ra7 
Kg7 35.Be4 Kf6 36.f4 Ke6 37.Kf3 Kd6 38.Ke3 Kc5 39.Bd3 Bb3 40.Kd2 Kb4 41.
Bc2 Bc4 42.Kc1 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "9"]
[White "Rossetto, Hector Decio"]
[Black "Damjanovic, Mato"]
[Result "0-1"]
[ECO "E00"]
[EventDate "1970.07.19"]
[PlyCount "88"]

1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2 a5 5.Bg2 O-O 6.Nc3 d5 7.cxd5 exd5 8.e3 
Bf5 9.Nge2 c6 10.O-O Nbd7 11.Nf4 Re8 12.Qb3 Nb6 13.a3 Bd6 14.Nfe2 a4 15.
Qd1 Qd7 16.Na2 Nc4 17.Bc3 Ne4 18.Nb4 Bxb4 19.axb4 Bg4 20.Qc2 Ng5 21.Nf4 
Nf3+ 22.Kh1 Qd6 23.h3 Qh6 24.Qe2 Nh2 25.hxg4 Nxf1+ 26.Kg1 Nfxe3 27.fxe3 
Rxe3 28.Qf2 Ree8 29.Re1 Qf6 30.b5 Rxe1+ 31.Qxe1 Nd6 32.bxc6 bxc6 33.Qd1 
Nb5 34.Nh5 Qe7 35.Be1 Nd6 36.Qc1 Nc4 37.Bf2 Rb8 38.Bf1 Nxb2 39.Qxc6 a3 40.
Qxd5 Nd1 41.Bc4 g6 42.Bb3 Nxf2 43.Kxf2 gxh5 44.gxh5 Rb6 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "9"]
[White "Szabo, Laszlo"]
[Black "Tukmakov, Vladimir"]
[Result "0-1"]
[ECO "D71"]
[EventDate "1970.07.19"]
[PlyCount "148"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.g3 Bg7 6.Bg2 Nb6 7.e3 Nc6 8.Nge2 
e5 9.d5 Ne7 10.e4 c6 11.O-O cxd5 12.exd5 O-O 13.b3 Bf5 14.Ba3 Qd7 15.Qd2 
Rfd8 16.Rad1 Rac8 17.Qg5 Re8 18.d6 Nc6 19.Nb5 Red8 20.Qe3 Bg4 21.f3 Be6 
22.Nc7 Bh3 23.Bc5 Bxg2 24.Kxg2 Na8 25.Nd5 Re8 26.Nec3 f5 27.Qg5 Qf7 28.
Rfe1 Rcd8 29.b4 h6 30.Qd2 Nd4 31.b5 Nb6 32.Nc7 Rf8 33.f4 Nc4 34.Qc1 Nxd6 
35.fxe5 Qxc7 36.Bxd6 Rxd6 37.exd6 Qxd6 38.Qe3 f4 39.Qe4 f3+ 40.Kf2 Qb4 41.
Qd3 Ne2 42.Nxe2 fxe2+ 43.Kxe2 Qb2+ 44.Qd2 Qxb5+ 45.Qd3 Qh5+ 46.Kd2 Rf3 47.
Qc4+ Kh7 48.Rb1 Rc3 49.Qe4 Qxh2+ 50.Re2 Qxg3 51.Rg2 Qd6+ 52.Ke2 Rc5 53.
Rxb7 Ra5 54.a4 Re5 55.Rxg7+ Kh8 56.Rg8+ Kxg8 57.Rxg6+ Kh7 58.Rxd6+ Rxe4+ 
59.Kf3 Rxa4 60.Kg3 h5 61.Kh3 Kg7 62.Rd5 h4 63.Rd6 a5 64.Rd5 Kf6 65.Rh5 Ke6
66.Kg2 Kd6 67.Kf2 Ra2+ 68.Ke1 Ra1+ 69.Ke2 a4 70.Rh6+ Ke5 71.Rh5+ Kf6 72.
Kf2 a3 73.Kg2 Rc1 74.Ra5 Rc3 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "10"]
[White "O'Kelly de Galway, Alberic"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E69"]
[EventDate "1970.07.19"]
[PlyCount "67"]

1.c4 g6 2.Nf3 Bg7 3.d4 Nf6 4.g3 O-O 5.Bg2 d6 6.Nc3 Nbd7 7.O-O e5 8.e4 c6 
9.Rb1 a5 10.Re1 exd4 11.Nxd4 Re8 12.h3 Qc7 13.b3 Nc5 14.Re2 Bd7 15.Bf4 
Rad8 16.Qd2 Bc8 17.Bh6 Bh8 18.Rd1 Qb6 19.Nc2 Be6 20.Be3 Qc7 21.Nd4 Bc8 22.
Bf4 Bg7 23.Bh6 Bxh6 24.Qxh6 Re5 25.Qd2 Rde8 26.Rde1 R5e7 27.Re3 h5 28.Qb2 
Nh7 29.a3 Qb6 30.b4 axb4 31.axb4 Na6 32.Nc2 Be6 33.Bf1 Ng5 34.Kh2 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "10"]
[White "Smyslov, Vassily"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[ECO "E05"]
[EventDate "1970.07.19"]
[PlyCount "115"]

1.c4 e6 2.g3 Nf6 3.Bg2 d5 4.Nf3 Be7 5.O-O O-O 6.d4 dxc4 7.Qc2 a6 8.Qxc4 b5
9.Qc2 Bb7 10.Bf4 Nd5 11.Nc3 Nxf4 12.gxf4 Nd7 13.Ne4 f5 14.Ng3 Bd5 15.Rfd1 
Rc8 16.Ne5 Nxe5 17.Bxd5 exd5 18.dxe5 Qd7 19.a4 c5 20.axb5 axb5 21.Qd3 Rcd8
22.Ra6 d4 23.b3 g6 24.Rda1 Rb8 25.Nf1 Rfc8 26.Nd2 Qc7 27.Qf3 Qd8 28.Rc1 
Ra8 29.Rxa8 Rxa8 30.Qc6 Rb8 31.Ra1 Qb6 32.Qd7 Qb7 33.Qe6+ Kf8 34.Nf3 Qc8 
35.Qd5 Qb7 36.Qxb7 Rxb7 37.Ra8+ Kf7 38.Ra6 Kf8 39.e6 Rc7 40.Rb6 b4 41.Ne5 
Kg7 42.Kg2 Bf6 43.Nc4 Ra7 44.Rc6 Be7 45.Ne5 Ra2 46.Kf3 Ra3 47.e3 Rxb3 48.
Rc7 Kf6 49.Nc6 Kxe6 50.Rxe7+ Kd6 51.Na5 Ra3 52.Ra7 Kd5 53.Ra8 Ke6 54.Ra6+ 
Kd5 55.Ra8 Ke6 56.Ra6+ Kd7 57.Ra7+ Kc8 58.Ra6 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "10"]
[White "Schweber, Samuel"]
[Black "Agdamus, Jose Luis"]
[Result "0-1"]
[ECO "A54"]
[EventDate "1970.07.19"]
[PlyCount "80"]

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.Bg5 Be7 6.e3 c6 7.Qc2 h6 8.Bh4 O-O 
9.Bd3 Re8 10.O-O-O e4 11.Bxe4 Nxe4 12.Qxe4 Bxh4 13.Qxh4 Qa5 14.d5 Rb8 15.
Qd4 c5 16.Qd3 a6 17.a4 Nf6 18.Nd2 Bd7 19.Qc2 b5 20.axb5 axb5 21.cxb5 Bxb5 
22.Nxb5 Rxb5 23.Nc4 Qa6 24.f3 Rb4 25.b3 Reb8 26.Kd2 Nxd5 27.Ke1 Rxb3 28.
Rxd5 Rb1+ 29.Kf2 Rxh1 30.Rxd6 Qa1 31.Kg3 Qe1+ 32.Kh3 Qg1 33.g3 Qf1+ 34.Kg4
h5+ 35.Kf4 Qb1 36.Qxb1 Rhxb1 37.Rc6 R8b4 38.Rxc5 Rc1 39.e4 Rbxc4 40.Rxh5 
Rc5 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "10"]
[White "Quinteros, Miguel Angel"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "E21"]
[EventDate "1970.07.19"]
[PlyCount "55"]

1.Nf3 Nf6 2.c4 b6 3.Nc3 Bb7 4.d4 e6 5.g3 Bb4 6.Bg2 O-O 7.O-O Bxc3 8.bxc3 
d6 9.Ne1 Qc8 10.Qd3 Nc6 11.Nc2 Na5 12.Bxb7 Qxb7 13.Na3 e5 14.Bg5 e4 15.Qb1
Nd7 16.Qb5 c6 17.Qf5 Rae8 18.Bf4 Re6 19.d5 g6 20.dxc6 Qxc6 21.Qd5 Rc8 22.
Rfd1 Nxc4 23.Qxc6 Rxc6 24.Nb5 Rc5 25.Nxa7 g5 26.Bc1 Nf6 27.a4 Nd5 28.Nb5 
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "10"]
[White "Gheorghiu, Florin"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "E09"]
[EventDate "1970.07.19"]
[PlyCount "42"]

1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 e6 5.O-O Be7 6.b3 O-O 7.Bb2 c6 8.d4 d5 9.
Nbd2 Nbd7 10.Qc2 Rc8 11.e4 Qc7 12.Rad1 Qb8 13.Rfe1 Qa8 14.Ne5 Rcd8 15.Re2 
Nxe5 16.dxe5 Nxe4 17.Nxe4 dxe4 18.Bxe4 Rxd1+ 19.Qxd1 Rd8 20.Rd2 Rxd2 21.
Qxd2 c5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "10"]
[White "Garcia, Raimundo"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "A61"]
[EventDate "1970.07.19"]
[PlyCount "84"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Nd2 Bg7 8.Nc4 O-O
9.Bg5 h6 10.Bh4 b6 11.e3 Ba6 12.a4 Qe7 13.Rc1 Nbd7 14.b3 Bxc4 15.bxc4 Ne5 
16.Be2 g5 17.Bg3 Nfd7 18.O-O f5 19.f4 Ng6 20.Qd3 Rae8 21.Bh5 Qf6 22.Nb5 
gxf4 23.exf4 Re4 24.Nc7 Qd4+ 25.Qxd4 Bxd4+ 26.Kh1 Kh7 27.Ne6 Re8 28.Rce1 
Nf6 29.Bf3 Rxe1 30.Rxe1 Bc3 31.Re2 Bb4 32.h4 Kg8 33.h5 Nf8 34.Bh4 Kf7 35.
Nxf8 Rxf8 36.Bxf6 Kxf6 37.Re6+ Kg7 38.Rg6+ Kh7 39.Rxd6 Rf7 40.Re6 Bc3 41.
Bd1 Bf6 42.Bc2 Bh4 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "10"]
[White "Fischer, Robert James"]
[Black "Rossetto, Hector Decio"]
[Result "1-0"]
[ECO "C99"]
[EventDate "1970.07.19"]
[PlyCount "99"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.Re1 d6 8.c3 Na5 
9.Bc2 c5 10.d4 Qc7 11.Nbd2 O-O 12.h3 cxd4 13.cxd4 Bb7 14.d5 Rfc8 15.Bd3 
Nc4 16.Bxc4 bxc4 17.Re3 a5 18.Rc3 Qd7 19.Qc2 Ba6 20.Nxc4 Rxc4 21.Rxc4 Bxc4
22.Qxc4 Rc8 23.Qd3 Qa4 24.Bg5 h6 25.b3 Qa3 26.Bxf6 Bxf6 27.Qd2 Bd8 28.Rb1 
Bb6 29.Rb2 Qc5 30.Ne1 Qc1 31.Qxc1 Rxc1 32.Kf1 f5 33.exf5 Rd1 34.Ke2 Rxd5 
35.Nc2 Kf7 36.Ne3 Rb5 37.a4 Rc5 38.b4 axb4 39.Rxb4 Bc7 40.Rc4 Rxc4 41.Nxc4
Ke7 42.Ne3 Kd7 43.Nd5 Ba5 44.Kd3 Kc6 45.Kc4 Be1 46.f3 Bd2 47.g3 Be1 48.g4 
Ba5 49.Ne7+ Kd7 50.Kb5 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "10"]
[White "Damjanovic, Mato"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[ECO "C74"]
[EventDate "1970.07.19"]
[PlyCount "106"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 f5 6.exf5 Bxf5 7.d4 e4 8.Ng5 d5 
9.f3 h6 10.fxe4 hxg5 11.exf5 Bd6 12.Qe2+ Kf8 13.Kd1 Qf6 14.Bb3 Rh4 15.Qe6 
Nge7 16.Rf1 Rxh2 17.Nd2 Qxe6 18.fxe6+ Kg8 19.Rg1 g4 20.Nf1 g3 21.Be3 Rf8 
22.Nxh2 gxh2 23.Rh1 Rf6 24.Bc2 Nd8 25.Kd2 Nxe6 26.Raf1 Rxf1 27.Rxf1 g5 28.
g4 Kg7 29.Ke2 Ng6 30.Bxg6 Kxg6 31.Kf3 Nf4 32.b3 b5 33.Rh1 Nd3 34.Kg2 b4 
35.cxb4 Nxb4 36.a4 Nc2 37.Bf2 Bf4 38.Kh3 Kf6 39.Bg3 Bxg3 40.Kxg3 Nxd4 41.
Rxh2 Nxb3 42.Rh6+ Ke5 43.Rxa6 d4 44.Kf3 c5 45.Ra8 c4 46.a5 d3 47.a6 c3 48.
Re8+ Kf6 49.a7 d2 50.a8=Q d1=Q+ 51.Kf2 Qd2+ 52.Kg1 Qd1+ 53.Kf2 Qd2+ 
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "10"]
[White "Tukmakov, Vladimir"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "C79"]
[EventDate "1970.07.19"]
[PlyCount "51"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.c3 Bg4 7.h3 Bh5 8.d3 Be7 
9.Re1 Nd7 10.Nbd2 Nc5 11.Bc2 Ne6 12.Nf1 Ng5 13.Bxg5 Bxg5 14.Ng3 Bxf3 15.
Qxf3 g6 16.Nf1 Qf6 17.Qe2 O-O 18.Ne3 Qg7 19.Nd5 f5 20.exf5 Rxf5 21.d4 Rff8
22.Qg4 Bh6 23.dxe5 Nxe5 24.Qd4 c6 25.Nb6 Rad8 26.Re4 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "11"]
[White "Szabo, Laszlo"]
[Black "Fischer, Robert James"]
[Result "0-1"]
[ECO "E61"]
[EventDate "1970.07.19"]
[PlyCount "74"]

1.c4 g6 2.g3 Bg7 3.Bg2 c5 4.Nc3 Nc6 5.e3 Nf6 6.d4 O-O 7.Nge2 d6 8.O-O Bf5 
9.d5 Na5 10.e4 Bd7 11.b3 a6 12.Rb1 b5 13.cxb5 axb5 14.b4 cxb4 15.Rxb4 Qc7 
16.Nxb5 Qc5 17.Qd4 Nxd5 18.Qxc5 dxc5 19.Rb1 Nb4 20.Nc7 Ra7 21.a3 Rxc7 22.
axb4 cxb4 23.Rxb4 Rc2 24.Nd4 Bxd4 25.Rxd4 Bb5 26.Re1 Nb3 27.Rb4 Nxc1 28.
Rxb5 Ne2+ 29.Kf1 Nc3 30.Rc5 Rd8 31.Bh3 Rdd2 32.Rc8+ Kg7 33.Re3 Nd1 34.Rf3 
Rxf2+ 35.Rxf2 Rxf2+ 36.Kg1 Re2 37.Bg4 Rxe4 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "11"]
[White "Rubinetti, Jorge Alberto"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1970.07.19"]
[PlyCount "76"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f3 c6 5.Be3 b5 6.Qd2 Qa5 7.Nge2 Nbd7 8.Nc1 Qc7
9.a4 b4 10.Nd1 e5 11.c4 bxc3 12.Nxc3 Bg7 13.Be2 O-O 14.O-O d5 15.exd5 Nxd5
16.Nxd5 cxd5 17.Na2 Rb8 18.b4 Nb6 19.Rac1 Nc4 20.Bxc4 dxc4 21.d5 a6 22.Bc5
Rd8 23.Rxc4 Be6 24.Nc3 Rxb4 25.Bxb4 Qxc4 26.Be7 Rd7 27.d6 f5 28.Rd1 Qd4+ 
29.Qxd4 exd4 30.Ne2 Bb3 31.Rd2 Bxa4 32.Nxd4 Kf7 33.f4 Bxd4+ 34.Rxd4 Bb5 
35.Rb4 Rb7 36.Bd8 Ke6 37.Bc7 Bc6 38.Rxb7 Bxb7 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "11"]
[White "Rossetto, Hector Decio"]
[Black "Schweber, Samuel"]
[Result "0-1"]
[ECO "E11"]
[EventDate "1970.07.19"]
[PlyCount "78"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 a5 5.a3 Bxd2+ 6.Nbxd2 a4 7.e4 d6 8.Be2 
e5 9.c5 O-O 10.O-O Nc6 11.d5 Nb8 12.b4 axb3 13.Qxb3 Nbd7 14.cxd6 cxd6 15.
Bb5 Nc5 16.Qb1 Bd7 17.Re1 Bxb5 18.Qxb5 Ra5 19.Qb1 Ra4 20.Re3 Qa5 21.h3 h6 
22.Qc2 b5 23.Rb1 Ra8 24.Nb3 Nxb3 25.Rbxb3 Rc4 26.Qb1 Qc7 27.Kh2 Rc2 28.
Rxb5 Rxf2 29.Qb4 Qc2 30.Ne1 Qc1 31.Qc3 Qxc3 32.Rxc3 Nxe4 33.Re3 f5 34.Kg1 
Ra2 35.Rbb3 Ra4 36.Nf3 g5 37.Rb7 R4xa3 38.Rxa3 Rxa3 39.Kf1 Ra5 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "11"]
[White "Reshevsky, Samuel Herman"]
[Black "Garcia, Raimundo"]
[Result "1-0"]
[ECO "A79"]
[EventDate "1970.07.19"]
[PlyCount "113"]

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 Bg7 6.Nf3 O-O 7.Be2 e6 8.O-O exd5 
9.cxd5 Re8 10.Nd2 Na6 11.f3 Nc7 12.a4 b6 13.Nc4 Ba6 14.Bg5 h6 15.Be3 Bxc4 
16.Bxc4 a6 17.Qd2 Kh7 18.Rab1 Qd7 19.b4 b5 20.Be2 c4 21.a5 Qe7 22.Bd4 Qf8 
23.Bd1 Nd7 24.Bxg7 Qxg7 25.Bc2 Re7 26.Rbe1 Ne8 27.f4 Nef6 28.Re2 Kh8 29.
Rfe1 Ng8 30.e5 dxe5 31.d6 Re6 32.f5 Rf6 33.fxg6 fxg6 34.Ne4 Re8 35.Nxf6 
Ngxf6 36.Re3 Re6 37.Rg3 Nh5 38.Rf3 Nhf6 39.Rg3 Ne8 40.Rd1 Rxd6 41.Qe1 Nf8 
42.Rxd6 Nxd6 43.Qd2 Nf7 44.Qd5 e4 45.h3 Qa1+ 46.Kh2 Kg7 47.Bxe4 Qb2 48.Rf3
Qe5+ 49.Kg1 Qxd5 50.Bxd5 Nd6 51.Kf2 Nd7 52.Re3 Nf5 53.Re1 Nf6 54.Bb7 Nd4 
55.Bxa6 Nd5 56.Bb7 Nxb4 57.a6 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "11"]
[White "Panno, Oscar"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1-0"]
[ECO "D41"]
[EventDate "1970.07.19"]
[PlyCount "161"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.
cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bb5 a6 12.Be2 b5 13.O-O Bb7 14.Qe3 
Nd7 15.a4 bxa4 16.Rxa4 a5 17.Rb1 Bc6 18.Raa1 Nf6 19.Bd3 Qe7 20.Ne5 Rfc8 
21.Nc4 Rd8 22.Nxa5 Be8 23.Be2 Ra7 24.Bf3 Qc7 25.Nb3 Rxa1 26.Rxa1 Qb6 27.h3
Bc6 28.Nc5 Qb4 29.Rd1 h6 30.Kh2 Qb8+ 31.g3 Qb2 32.Kg2 Qb4 33.Qd2 Qb6 34.
Qc3 Rc8 35.Qe3 Ba8 36.Rc1 Rd8 37.Qc3 Ne8 38.Qb3 Qd6 39.Rc4 Qe7 40.Qc3 Nd6 
41.Rb4 Rc8 42.Qa3 e5 43.dxe5 Qxe5 44.Nd7 Qe8 45.Nb6 Rb8 46.Nxa8 Rxa8 47.
Qd3 Qe5 48.Rd4 Ra3 49.Qd1 Nb5 50.Rd8+ Kh7 51.Qd5 Qxd5 52.Rxd5 Nc3 53.Rd7 
Kg8 54.e5 Kf8 55.Bc6 g6 56.Rd8+ Kg7 57.Rd3 Kf8 58.Rf3 Nb1 59.Rf4 Kg7 60.
Rb4 Nc3 61.Rb7 Kf8 62.h4 Ra5 63.f4 Rc5 64.Bf3 h5 65.Kf2 Nd5 66.Bd1 Rc7 67.
Rxc7 Nxc7 68.Ke3 Nd5+ 69.Kd4 Ne7 70.Bc2 Nf5+ 71.Bxf5 gxf5 72.Kc5 Ke7 73.
Kb6 Ke8 74.Kc6 Ke7 75.Kc7 Ke8 76.Kd6 Kd8 77.e6 f6 78.e7+ Ke8 79.Kc6 Kxe7 
80.Kc7 Kf8 81.Kd6 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "11"]
[White "Najdorf, Miguel"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1970.07.19"]
[PlyCount "47"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 c5 10.dxc5 bxc5 11.Rd1 d6 12.b3 Nc6 13.Bb2 Bf6 14.Qd2 Bxb2 15.
Qxb2 Qe7 16.Rd2 f5 17.Rad1 Rad8 18.a3 e5 19.e3 e4 20.Ne1 Ne5 21.Qc3 Rf6 
22.b4 Rdf8 23.Bf1 g5 24.bxc5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "11"]
[White "Agdamus, Jose Luis"]
[Black "Quinteros, Miguel Angel"]
[Result "0-1"]
[ECO "A56"]
[EventDate "1970.07.19"]
[PlyCount "78"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Nbd7 6.Nf3 Be7 7.Bd3 Nf8 8.h3 Bd7 
9.a3 Ng6 10.g3 h5 11.h4 Bg4 12.Be2 Nd7 13.Nd2 Bxe2 14.Qxe2 Bf8 15.Nf1 Ne7 
16.Bg5 g6 17.Qd2 Bg7 18.f3 f6 19.Be3 f5 20.Bg5 Nf6 21.Ne3 Qd7 22.b4 b6 23.
Rb1 Rc8 24.O-O O-O 25.Kh2 Nh7 26.bxc5 Rxc5 27.Qd3 f4 28.Ned1 fxg3+ 29.Kxg3
Nxg5 30.hxg5 Nc8 31.Nb2 Qd8 32.Qe3 Rf4 33.Kf2 Qxg5 34.Rh1 Qf6 35.Rbg1 Rh4 
36.Rxg6 Qxg6 37.Rxh4 Bh6 38.Qe1 Bf4 39.Qg1 Be3+ 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "11"]
[White "Bisguier, Arthur Bernard"]
[Black "Damjanovic, Mato"]
[Result "1/2-1/2"]
[ECO "B23"]
[EventDate "1970.07.19"]
[PlyCount "72"]

1.e4 c5 2.f4 g6 3.Nf3 Bg7 4.Nc3 d6 5.Bc4 e6 6.d4 cxd4 7.Nxd4 a6 8.O-O Nc6 
9.Be3 Nge7 10.Qd2 d5 11.exd5 exd5 12.Be2 O-O 13.Rad1 Be6 14.Bf3 Nxd4 15.
Bxd4 Bxd4+ 16.Qxd4 Rc8 17.Rf2 Re8 18.Rfd2 Qc7 19.g3 h5 20.Kh1 b5 21.a3 Nf5
22.Qf2 d4 23.Ne4 Kg7 24.Re1 Bd5 25.Rxd4 Bc6 26.Rdd1 Qb7 27.Ng5 Bxf3+ 28.
Nxf3 Rxe1+ 29.Rxe1 Qd5 30.Kg2 Rc4 31.c3 Nh6 32.Qd2 Qc6 33.Re7 a5 34.Qd7 
Qxd7 35.Rxd7 b4 36.Rd4 bxa3 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "11"]
[White "Mecking, Henrique"]
[Black "Tukmakov, Vladimir"]
[Result "1/2-1/2"]
[ECO "B83"]
[EventDate "1970.07.19"]
[PlyCount "100"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Be7 7.O-O O-O 8.Be3 
Nc6 9.f4 Bd7 10.Nb3 a6 11.a4 b6 12.Rc1 Qc7 13.Bf3 Rfd8 14.g4 Bc8 15.g5 Nd7
16.Bg2 Na5 17.Nxa5 bxa5 18.Ne2 Nc5 19.b3 Bb7 20.Ng3 d5 21.exd5 Bxd5 22.Qe2
g6 23.Rcd1 Bxg2 24.Kxg2 Rac8 25.Rxd8+ Rxd8 26.Rd1 Qc6+ 27.Kg1 Rc8 28.Rd4 
Rd8 29.Kf2 e5 30.Rxd8+ Bxd8 31.fxe5 Ne4+ 32.Nxe4 Qxe4 33.Ke1 Qxe5 34.h4 h6
35.Kd1 hxg5 36.Qd2 Be7 37.hxg5 Bb4 38.Qd8+ Kh7 39.Qd4 Qg3 40.c3 Bd6 41.c4 
Be5 42.Qe4 f5 43.gxf6 Bxf6 44.c5 Qe5 45.Qd3 Qe6 46.Kc2 Kg7 47.Bd4 Bxd4 48.
Qxd4+ Kf7 49.Qc3 Qf5+ 50.Kc1 Qf1+ 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "12"]
[White "Tukmakov, Vladimir"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1/2-1/2"]
[ECO "E85"]
[EventDate "1970.07.19"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 e5 6.Nge2 Nbd7 7.Be3 O-O 8.d5 Nh5 
9.g4 Nf4 10.Qd2 f5 11.gxf5 gxf5 12.exf5 Nc5 13.Ng3 Bxf5 14.Nxf5 Rxf5 15.
O-O-O b6 16.Rg1 Kh8 17.Rg4 a6 18.Kb1 Qf8 19.Qc2 Re8 20.Ne2 Ng6 21.Bg2 Rh5 
22.h3 Qf5 23.Ng3 Qxc2+ 24.Kxc2 Rh4 25.Bg5 Rxg4 26.hxg4 Nf4 27.Bf1 h6 28.
Bxf4 exf4 29.Nf5 Kh7 30.b4 Nd7 31.Bd3 Kg8 32.Kb3 Ne5 33.Be4 Nf7 34.Re1 Ng5
35.Nh4 Nxe4 36.Rxe4 Rxe4 37.fxe4 Kf7 38.b5 a5 39.Kc2 Bf6 40.Nf3 Kg6 41.Kd3
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "12"]
[White "Fischer, Robert James"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "C78"]
[EventDate "1970.07.19"]
[PlyCount "49"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bb7 7.d4 Nxd4 8.Nxd4 
exd4 9.c3 Nxe4 10.Re1 Bd6 11.Nd2 Bxh2+ 12.Kf1 d5 13.Qh5 O-O 14.Qxh2 dxc3 
15.Nxe4 dxe4 16.bxc3 c5 17.Re3 c4 18.Bc2 Qf6 19.Rf3 Qe6 20.Rh3 Qf5 21.Be3 
Rad8 22.Re1 Rd7 23.Bd4 Re8 24.Rh5 g5 25.g4 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "12"]
[White "Damjanovic, Mato"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[ECO "B53"]
[EventDate "1970.07.19"]
[PlyCount "33"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.c4 Nf6 8.Nc3
g6 9.O-O Bg7 10.Be3 O-O 11.Qd3 Qa5 12.Bd4 a6 13.a3 b5 14.Nd5 Bxd5 15.cxd5 
Rfc8 16.Rac1 Qd8 17.Bc3 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "12"]
[White "Smyslov, Vassily"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1970.07.19"]
[PlyCount "45"]

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.Qc2 Nc6 12.Be3 cxd4 13.Nxd4 Nxd4 14.Bxd4 Bxg2 
15.Kxg2 Qc7 16.Qd3 Rac8 17.b3 Qc6+ 18.Qf3 Qxf3+ 19.Kxf3 Rfd8 20.Rac1 Kf8 
21.Bb2 Rc5 22.e3 f5 23.Ke2 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "12"]
[White "O'Kelly de Galway, Alberic"]
[Black "Agdamus, Jose Luis"]
[Result "1-0"]
[ECO "A42"]
[EventDate "1970.07.19"]
[PlyCount "53"]

1.c4 e5 2.Nc3 d6 3.Nf3 g6 4.d4 Nd7 5.e4 Bg7 6.Be3 Ne7 7.d5 f5 8.Ng5 Nf6 9.
f3 O-O 10.Qd2 c5 11.dxc6 bxc6 12.O-O-O h6 13.Nh3 f4 14.Bf2 Ne8 15.c5 Rf6 
16.cxd6 Rxd6 17.Bc4+ Kh7 18.Qc2 Qc7 19.Bc5 Rxd1+ 20.Rxd1 Bxh3 21.gxh3 a5 
22.Qd2 Bf6 23.Qd7 Rc8 24.Qe6 h5 25.Bxe7 Bxe7 26.Rd7 Qb6 27.Qxe7+ 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "12"]
[White "Najdorf, Miguel"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "E57"]
[EventDate "1970.07.19"]
[PlyCount "43"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.e3 O-O 6.Bd3 d5 7.O-O dxc4 8.Bxc4 
Nc6 9.Bd3 cxd4 10.exd4 Be7 11.a3 b6 12.Re1 Bb7 13.b4 Rc8 14.Bb2 Rc7 15.Qe2
Rd7 16.Ne4 Nxe4 17.Bxe4 Bf6 18.Rac1 Ne7 19.Rc2 Bxe4 20.Qxe4 Rc7 21.Rxc7 
Qxc7 22.Rc1 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "12"]
[White "Schweber, Samuel"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[ECO "B28"]
[EventDate "1970.07.19"]
[PlyCount "72"]

1.e4 c5 2.Nf3 a6 3.c3 d6 4.d4 Nd7 5.Bc4 e6 6.a4 Be7 7.O-O cxd4 8.cxd4 Ngf6
9.e5 Ne4 10.Re1 d5 11.Bd3 f5 12.exf6 Ndxf6 13.Nbd2 Bb4 14.Re2 Nxd2 15.Bxd2
Bxd2 16.Qxd2 Qd6 17.Qg5 O-O 18.Ne5 Bd7 19.Re3 h6 20.Qh4 Be8 21.Rae1 Rc8 
22.Qh3 Ne4 23.f3 Nf6 24.b3 Rc7 25.Ng6 Bxg6 26.Bxg6 Qb4 27.Qxe6+ Kh8 28.Qe5
Qb6 29.Bb1 Rcc8 30.g4 Rce8 31.Qxe8 Nxe8 32.Rxe8 Qxd4+ 33.Kg2 Qb2+ 34.Kg3 
Qf6 35.Rxf8+ Qxf8 36.Bg6 Qd6+ 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "12"]
[White "Gheorghiu, Florin"]
[Black "Garcia, Raimundo"]
[Result "1-0"]
[ECO "B81"]
[EventDate "1970.07.19"]
[PlyCount "111"]

1.e4 e6 2.d4 c5 3.Nf3 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 h6 7.Rg1 Nc6 8.Be3 a6 
9.h4 d5 10.exd5 Nxd5 11.Nxd5 Qxd5 12.Bg2 Qa5+ 13.c3 Ne5 14.Qe2 Qc7 15.
O-O-O Bd7 16.Bf4 Nd3+ 17.Qxd3 Qxf4+ 18.Kb1 Qc7 19.Qf3 Be7 20.g5 hxg5 21.
hxg5 Bxg5 22.Qxb7 Ra7 23.Qxc7 Rxc7 24.Bf1 Bf6 25.Bxa6 Rh2 26.f4 Rc5 27.
Rge1 Rf2 28.Rf1 Rxf1 29.Bxf1 g5 30.fxg5 Bxg5 31.c4 Bf6 32.Nb5 Rh5 33.Bd3 
Be7 34.a3 Rh2 35.Bc2 e5 36.Nc7+ Kd8 37.Nd5 Bc5 38.Nf6 Bd4 39.Nxd7 Kxd7 40.
b4 Ke6 41.Rf1 Rf2 42.Rxf2 Bxf2 43.c5 f5 44.Bb3+ Kd7 45.Kc2 e4 46.Bd5 Kc7 
47.a4 Kb8 48.Kb3 Ka7 49.Be6 e3 50.Bc4 Bh4 51.Be2 f4 52.Kc4 Be1 53.b5 Ba5 
54.Kd5 Kb7 55.Kd6 Bc7+ 56.Kd7 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "12"]
[White "Quinteros, Miguel Angel"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1970.07.19"]
[PlyCount "66"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 Bf5 4.O-O c6 5.d3 e6 6.Nbd2 Be7 7.Qe1 O-O 8.e4 Bg4
9.h3 Bxf3 10.Bxf3 a5 11.e5 Nfd7 12.Bg4 a4 13.Nf3 Na6 14.h4 Qb6 15.a3 Rae8 
16.Qe2 Nc7 17.d4 Qb5 18.Qxb5 Nxb5 19.Be3 Rc8 20.c3 c5 21.dxc5 Nxc5 22.Rad1
Rc7 23.Rfe1 Ra8 24.Bh3 Na7 25.Nd4 Nd7 26.f4 Bc5 27.Bf2 Bxd4 28.Bxd4 Nc6 
29.f5 Nxd4 30.Rxd4 Nc5 31.fxe6 fxe6 32.c4 dxc4 33.Rxc4 g6 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "13"]
[White "Rubinetti, Jorge Alberto"]
[Black "Damjanovic, Mato"]
[Result "0-1"]
[ECO "A38"]
[EventDate "1970.07.19"]
[PlyCount "104"]

1.Nf3 Nf6 2.c4 c5 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.Nc3 Nc6 7.a3 d6 8.Rb1 a5 
9.d3 e5 10.Ne1 Rb8 11.Nc2 Bd7 12.Bg5 h6 13.Bxf6 Bxf6 14.b4 axb4 15.axb4 
Bg7 16.bxc5 dxc5 17.Ne3 Nb4 18.Ned5 Nxd5 19.Bxd5 b6 20.Qc2 Kh8 21.Rb3 f5 
22.Rfb1 Rf6 23.Qa2 Rd6 24.Qa7 Be8 25.e4 f4 26.Ra1 fxg3 27.hxg3 Rd7 28.Qa2 
Qf6 29.Ra3 Rdd8 30.Qe2 h5 31.Kg2 Bd7 32.Ra8 Rxa8 33.Rxa8 Rxa8 34.Bxa8 Qf8 
35.Bd5 Bf6 36.Qe3 Kg7 37.f3 Qc8 38.Nd1 Qa6 39.Qe2 Qa1 40.Nf2 Bg5 41.d4 
cxd4 42.f4 exf4 43.e5 fxg3 44.Qf3 Bf5 45.Qxg3 Be7 46.e6 d3 47.Nxd3 Qf6 48.
Qe3 Bd6 49.Nf2 Bc5 50.Qe2 Qg5+ 51.Kf1 Qf4 52.e7 Bd3 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "13"]
[White "Mecking, Henrique"]
[Black "Fischer, Robert James"]
[Result "1/2-1/2"]
[ECO "D80"]
[EventDate "1970.07.19"]
[PlyCount "59"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bg5 Ne4 5.Bh4 Nxc3 6.bxc3 dxc4 7.e3 Be6 8.Rb1 
b6 9.Nf3 Bg7 10.Nd2 O-O 11.Nxc4 Bd5 12.Qd2 Qd7 13.Na3 c5 14.f3 Qa4 15.Nb5 
Nc6 16.Nc7 Qxa2 17.Qc1 Rac8 18.Ra1 Qb3 19.Ra3 Rxc7 20.Rxb3 Bxb3 21.Qa3 Na5
22.Bg3 e5 23.Bxe5 Bxe5 24.dxe5 Rd8 25.Be2 Rcd7 26.Qc1 Bc4 27.Qc2 Bb3 28.
Qc1 Bc4 29.Qc2 Bb3 30.Qc1 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "13"]
[White "Szabo, Laszlo"]
[Black "Quinteros, Miguel Angel"]
[Result "1-0"]
[ECO "A56"]
[EventDate "1970.07.19"]
[PlyCount "83"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6 6.h3 Nbd7 7.Nf3 a6 8.a4 b6 9.Be3
h5 10.Qc1 Be7 11.g3 Rb8 12.Bd3 Kf8 13.Bd2 a5 14.Bh6+ Ke8 15.Qd2 Ng8 16.Be3
Nf8 17.O-O-O Nh7 18.Nb5 Rb7 19.Ng1 f6 20.f4 Bd7 21.Nc3 Qc8 22.Kb1 Nf8 23.
Rf1 h4 24.fxe5 dxe5 25.gxh4 Rxh4 26.Qf2 g5 27.Bxg5 Rh7 28.Bc1 Nh6 29.d6 
Bd8 30.Nd5 Ng8 31.Nf3 Bxh3 32.Rfg1 Qe6 33.Qg3 Rbg7 34.Qxg7 Rxg7 35.Rxg7 
Nd7 36.Nc7+ Bxc7 37.dxc7 Nf8 38.c8=Q+ Qxc8 39.Rxg8 Be6 40.Rg7 Qc6 41.b3 
Bf7 42.Rh8 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "13"]
[White "Rossetto, Hector Decio"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1970.07.19"]
[PlyCount "58"]

1.d4 Nf6 2.Nf3 e6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.c4 O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 c5 10.Rd1 d6 11.Qc2 Qc7 12.d5 exd5 13.cxd5 Nd7 14.Nd4 Rac8 15.
Nf5 Bf6 16.Bf4 Ne5 17.a4 Qd8 18.Ra3 g6 19.Nh6+ Kh8 20.h4 Rc7 21.Qc1 Bc8 
22.e4 Bg7 23.Bg5 f6 24.Be3 Re8 25.Rc3 Nf7 26.Nxf7+ Rxf7 27.Bh6 Bd7 28.b3 
Bxh6 29.Qxh6 Qe7 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "13"]
[White "Reshevsky, Samuel Herman"]
[Black "Tukmakov, Vladimir"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1970.07.19"]
[PlyCount "48"]

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.a3 a6 6.Rb1 Rb8 7.b4 cxb4 8.axb4 b5 
9.cxb5 axb5 10.e3 e6 11.Nge2 Nge7 12.O-O O-O 13.d4 d5 14.Qb3 Qb6 15.Ra1 
Bd7 16.Bd2 Nf5 17.Ra2 Ra8 18.Rfa1 Rxa2 19.Rxa2 Nd6 20.Nf4 Rb8 21.Nd3 Qd8 
22.Nc5 Be8 23.Bf1 Ra8 24.Be1 Rxa2 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "13"]
[White "Panno, Oscar"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1970.07.19"]
[PlyCount "35"]

1.Nf3 Nf6 2.c4 c5 3.g3 g6 4.b3 Bg7 5.Bb2 b6 6.Bg2 Bb7 7.O-O O-O 8.Nc3 Ne4 
9.d4 Nxc3 10.Bxc3 Nc6 11.Rc1 Nxd4 12.Nxd4 Bxg2 13.Kxg2 cxd4 14.Bxd4 d6 15.
Bxg7 Kxg7 16.Qd4+ Kg8 17.Rfd1 Qc7 18.Rc3 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "13"]
[White "Garcia, Raimundo"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1970.07.19"]
[PlyCount "42"]

1.g3 d5 2.Bg2 Nf6 3.Nf3 Bf5 4.O-O e6 5.d3 Be7 6.Nbd2 h6 7.Qe1 Nc6 8.a3 O-O
9.b4 Nd7 10.Nb3 Bf6 11.Rb1 e5 12.Nfd2 Be6 13.c4 dxc4 14.Nxc4 Qc8 15.Nca5 
Nxa5 16.Nxa5 c6 17.b5 Rb8 18.bxc6 bxc6 19.Be3 c5 20.Rxb8 Qxb8 21.Qd2 Rc8 
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "13"]
[White "Agdamus, Jose Luis"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "D94"]
[EventDate "1970.07.19"]
[PlyCount "82"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 O-O 6.b4 c6 7.Bd2 Ne4 8.cxd5 Nxd2
9.Qxd2 cxd5 10.Be2 Nc6 11.b5 Nb8 12.O-O Qd6 13.a4 a5 14.Qa2 Rd8 15.Rac1 e6
16.e4 dxe4 17.Nxe4 Qf4 18.Qc2 Nd7 19.g3 Qb8 20.Rfd1 Nb6 21.Ne5 Nd5 22.Qb2 
f6 23.Nc4 b6 24.Nc3 Bh6 25.Nxd5 exd5 26.Ne3 Bb7 27.Rc3 Qd6 28.Ng4 Bg7 29.
f4 Re8 30.Bf3 Re7 31.Qb3 Rd8 32.Rdc1 h5 33.Ne3 f5 34.Rc6 Bxc6 35.Rxc6 Bxd4
36.Rxd6 Rxd6 37.Bxd5+ Kh7 38.Kg2 Rxe3 39.Qc4 Bg7 40.Bg8+ Kh6 41.Bf7 Rd2+ 
0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "13"]
[White "Bisguier, Arthur Bernard"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[ECO "B21"]
[EventDate "1970.07.19"]
[PlyCount "53"]

1.e4 c5 2.f4 Nc6 3.Nf3 g6 4.Bb5 Bg7 5.O-O Qb6 6.c4 Nd4 7.Nxd4 Bxd4+ 8.Kh1 
Nf6 9.d3 h5 10.Nc3 Ng4 11.Qe1 e6 12.Ba4 f5 13.Nb5 Bf6 14.Bd2 Qd8 15.exf5 
gxf5 16.h3 Kf8 17.Bc3 a6 18.Nd6 b5 19.Bd1 b4 20.Be5 Nxe5 21.fxe5 Be7 22.
Nxf5 exf5 23.Rxf5+ Ke8 24.Bxh5+ Rxh5 25.Rxh5 d5 26.Rh8+ Bf8 27.Qf2 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "14"]
[White "Gheorghiu, Florin"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "C93"]
[EventDate "1970.07.19"]
[PlyCount "52"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 
9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5 15.b3 Nc6 
16.d5 Ne7 17.Be3 Qc7 18.b4 cxb4 19.cxb4 Nc8 20.a4 Nb6 21.a5 Nc4 22.Bc1 
Rac8 23.Ra2 Qa7 24.Bd3 Rc7 25.Rc2 Rec8 26.Ree2 Nh7 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "14"]
[White "Tukmakov, Vladimir"]
[Black "Garcia, Raimundo"]
[Result "1/2-1/2"]
[ECO "B33"]
[EventDate "1970.07.19"]
[PlyCount "56"]

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.Bb3 f5 16.Kc3 Nd4 17.Rad1 fxe4 18.Nf6 Bxb3 19.cxb3 Rd6 20.Nxe4 
Rg6 21.Rhe1 Nb5+ 22.Kb4 f5 23.Rc1+ Kb8 24.Nc5 Rg4+ 25.Rc4 Nd4 26.Kc3 Nb5+ 
27.Kb4 Nd4 28.Kc3 Nb5+ 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "14"]
[White "Schweber, Samuel"]
[Black "Mecking, Henrique"]
[Result "0-1"]
[ECO "B40"]
[EventDate "1970.07.19"]
[PlyCount "75"]

1.e4 c5 2.Nf3 e6 3.b3 Nc6 4.Bb2 Nf6 5.e5 Nd5 6.Nc3 Nxc3 7.Bxc3 Be7 8.Bd3 
b6 9.Qe2 Bb7 10.h4 Qc7 11.Rh3 g6 12.Ng5 Nd4 13.Bxd4 cxd4 14.f4 h6 15.Nxf7 
Kxf7 16.Bxg6+ Kf8 17.Qh5 Ba3 18.Bd3 Ke7 19.Rg3 Raf8 20.Rg7+ Kd8 21.Qg4 Kc8
22.h5 Bc6 23.Ke2 Kb8 24.Rh1 Qd8 25.Rh3 d6 26.Qxe6 Rxf4 27.Rhg3 Re8 28.Rg8 
Rxe6 29.Rxd8+ Kc7 30.Rh8 dxe5 31.Bc4 Ref6 32.Rg7+ Kd6 33.Rxa7 Rf2+ 34.Ke1 
Bb4 35.c3 dxc3 36.dxc3 Bxc3+ 37.Kd1 Rd2+ 38.Kc1 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "14"]
[White "Quinteros, Miguel Angel"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "E09"]
[EventDate "1970.07.19"]
[PlyCount "91"]

1.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.d4 Nbd7 7.Qc2 c6 8.Nbd2 b6
9.e4 Ba6 10.Rd1 Rc8 11.b3 c5 12.exd5 exd5 13.Qb1 Qc7 14.Bb2 Bb7 15.Re1 
Rfe8 16.Qd1 Qb8 17.Ne5 dxc4 18.Nxd7 Nxd7 19.Bxb7 Qxb7 20.Nxc4 Bf8 21.Rxe8 
Rxe8 22.d5 Rd8 23.Qh5 Nf6 24.Bxf6 Rxd5 25.Qg4 h5 26.Qf3 gxf6 27.Ne3 Rd7 
28.Qxf6 Bg7 29.Qg5 Kf8 30.Re1 Qe4 31.Qxh5 Rd2 32.Rd1 Rxd1+ 33.Qxd1 Bd4 34.
Qc2 Qf3 35.Qd1 Qe4 36.Qc2 Qf3 37.Qd3 b5 38.Qxb5 Bxe3 39.Qb8+ Kg7 40.Qe5+ 
f6 41.Qxe3 Qd1+ 42.Kg2 Qd5+ 43.Qf3 Qd7 44.Qe4 a5 45.h4 Qd6 46.h5 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "14"]
[White "Panno, Oscar"]
[Black "Agdamus, Jose Luis"]
[Result "1/2-1/2"]
[ECO "E68"]
[EventDate "1970.07.19"]
[PlyCount "76"]

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4 g6 6.g3 Bg7 7.Bg2 O-O 8.O-O c6 
9.Rb1 a6 10.Qc2 Qe7 11.h3 Re8 12.Be3 exd4 13.Nxd4 Nc5 14.Rbe1 a5 15.b3 Bd7
16.f3 Rad8 17.Bf2 Bc8 18.a3 Qc7 19.Qd2 Nfd7 20.b4 axb4 21.axb4 Na6 22.Rb1 
Ne5 23.Qe2 Be6 24.Nxe6 Rxe6 25.Rfd1 Ng4 26.hxg4 Bxc3 27.b5 Nc5 28.Qc2 Bg7 
29.g5 Qe7 30.Qd2 Re8 31.Be3 Be5 32.bxc6 bxc6 33.Bf4 f5 34.Bh3 fxe4 35.
Bxe6+ Qxe6 36.Bxe5 dxe5 37.fxe4 Qg4 38.Qe3 Nxe4 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "14"]
[White "O'Kelly de Galway, Alberic"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[ECO "D90"]
[EventDate "1970.07.19"]
[PlyCount "31"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.Bd2 O-O 7.Rc1 Nb6 8.Bg5 
Nc6 9.e3 Be6 10.Be2 Bc4 11.O-O Bxe2 12.Qxe2 h6 13.Bh4 f5 14.Rfd1 Qd7 15.
Bg3 e6 16.Qb5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "14"]
[White "Damjanovic, Mato"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "B81"]
[EventDate "1970.07.19"]
[PlyCount "27"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3 Be7 7.g4 h6 8.h4 Nc6 
9.Be2 Bd7 10.Rg1 d5 11.exd5 Nxd5 12.Nxd5 exd5 13.g5 hxg5 14.hxg5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "14"]
[White "Fischer, Robert James"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "C69"]
[EventDate "1970.07.19"]
[PlyCount "55"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.dxe5 Qxd1 8.
Rxd1 Bxf3 9.gxf3 fxe5 10.Be3 Bd6 11.Nd2 Ne7 12.Nc4 O-O-O 13.Rd3 b5 14.Na5 
Bb4 15.Nb3 Rxd3 16.cxd3 Ng6 17.Kf1 Rf8 18.Ke2 Nf4+ 19.Bxf4 Rxf4 20.Rg1 Rh4
21.Rxg7 Rxh2 22.a3 Bd6 23.f4 exf4 24.d4 Kd8 25.Na5 c5 26.e5 Bf8 27.Nc6+ 
Ke8 28.Rxc7 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "14"]
[White "Najdorf, Miguel"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "E09"]
[EventDate "1970.07.19"]
[PlyCount "82"]

1.c4 Nf6 2.g3 e6 3.Bg2 d5 4.Nf3 Be7 5.O-O O-O 6.d4 c6 7.Nbd2 b6 8.Qc2 Bb7 
9.e4 Nbd7 10.Rd1 Rc8 11.b3 Qc7 12.Bb2 Qb8 13.Rac1 Rfd8 14.Ne1 Qa8 15.Nd3 
dxe4 16.Nxe4 c5 17.Nxf6+ Bxf6 18.Bxb7 Qxb7 19.dxc5 bxc5 20.Bxf6 gxf6 21.
Qe2 Qc6 22.Re1 Qd6 23.Nf4 Qe5 24.Qd3 Qg5 25.Rcd1 f5 26.Qe3 Nf8 27.Rxd8 
Qxd8 28.Nh5 Qd4 29.Qh6 Ng6 30.Kg2 Kh8 31.Qe3 Qxe3 32.Rxe3 Rd8 33.Re2 Kg8 
34.Rc2 Kf8 35.Kf3 Ke7 36.Nf4 Rd4 37.Ne2 Rd3+ 38.Kg2 f6 39.h4 Ne5 40.Nf4 
Rd6 41.Re2 a5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "15"]
[White "Rubinetti, Jorge Alberto"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "D37"]
[EventDate "1970.07.19"]
[PlyCount "177"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bf4 O-O 6.e3 a6 7.c5 Nc6 8.a3 Nh5 9.
Be2 Bd7 10.b4 Nxf4 11.exf4 b6 12.O-O a5 13.b5 Na7 14.c6 Be8 15.Qc2 g6 16.
Rfe1 Bd6 17.g3 f6 18.Bd3 Bf7 19.h4 Kg7 20.Kg2 h5 21.Re2 Re8 22.Qd1 Nc8 23.
Qh1 Ne7 24.Qh3 Nf5 25.Nd1 Qe7 26.a4 Qf8 27.Ne3 Qh8 28.Nc2 Re7 29.Rae1 Rae8
30.Kh1 Qh6 31.Ne3 Kf8 32.Nxf5 gxf5 33.Rg1 Bg8 34.Qf1 Rg7 35.Qd1 Ree7 36.
Ree1 Bh7 37.Nh2 Rg8 38.Be2 Bb4 39.Ref1 Bg6 40.Bf3 Reg7 41.Qe2 Bf7 42.Rd1 
Rh7 43.Nf1 Bd6 44.Ne3 Qg6 45.Qd3 Ke8 46.Rge1 Kd8 47.Qf1 Re8 48.Qh3 Bg8 49.
Nc2 Rhe7 50.Re3 Rg7 51.Re2 Rge7 52.Ne1 Bb4 53.Nc2 Bd6 54.Qf1 Qh6 55.Ne1 
Bb4 56.Nc2 Bd6 57.Ne1 Bb4 58.Rc2 Bxe1 59.Qxe1 Rh7 60.Re2 Qf8 61.Rd3 Qd6 
62.Rde3 Bf7 63.Qc3 Rhh8 64.Re1 Rhg8 65.Kh2 Rh8 66.Qb3 Rhg8 67.Qd1 Rh8 68.
Qd2 Kc8 69.R1e2 Kd8 70.Bg2 Rhg8 71.Bh3 Rh8 72.Qc3 Rhg8 73.Qa3 Qxa3 74.Rxa3
Rg7 75.Rae3 Rg6 76.Re1 Rg7 77.Bf1 Rg6 78.Bd3 Rg7 79.Bc2 Rgg8 80.Kh3 Rg7 
81.R3e2 Rgg8 82.Re3 Rg7 83.Rg1 Rh8 84.Ree1 Rgh7 85.Re2 Rh6 86.Rge1 Re8 87.
Bd1 Rh7 88.Re3 Ke7 89.Bc2 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "15"]
[White "Szabo, Laszlo"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E49"]
[EventDate "1970.07.19"]
[PlyCount "50"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.a3 Bxc3+ 6.bxc3 O-O 7.Bd3 d5 8.cxd5 
exd5 9.Ne2 b6 10.O-O Ba6 11.Bxa6 Nxa6 12.Ng3 Nc7 13.f3 Re8 14.Ra2 Qd7 15.
Re2 Rad8 16.e4 dxe4 17.fxe4 cxd4 18.Bg5 Nb5 19.Bxf6 Nxc3 20.Qd3 Nxe2+ 21.
Qxe2 d3 22.Qd2 gxf6 23.Nf5 Re5 24.Rf4 Rxf5 25.exf5 Kh8 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "15"]
[White "Smyslov, Vassily"]
[Black "Tukmakov, Vladimir"]
[Result "1/2-1/2"]
[ECO "E12"]
[EventDate "1970.07.19"]
[PlyCount "49"]

1.Nf3 Nf6 2.c4 e6 3.d4 b6 4.a3 Bb7 5.Nc3 d5 6.Bg5 Be7 7.cxd5 exd5 8.e3 O-O
9.Rc1 Nbd7 10.Be2 h6 11.Bh4 Ne4 12.Bxe7 Qxe7 13.O-O c5 14.dxc5 Nxc3 15.
Rxc3 bxc5 16.b4 Rfc8 17.Qd2 Nb6 18.Rxc5 Rxc5 19.bxc5 Qxc5 20.Qb4 Qxb4 21.
axb4 a5 22.bxa5 Rxa5 23.Rb1 Ba6 24.Bxa6 Rxa6 25.g3 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "15"]
[White "Rossetto, Hector Decio"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B84"]
[EventDate "1970.07.19"]
[PlyCount "86"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Be2 Nf6 6.Nc3 Qc7 7.O-O d6 8.f4 
Nbd7 9.Kh1 b5 10.e5 dxe5 11.fxe5 Nxe5 12.Bf4 Bd7 13.Bf3 Rc8 14.Nf5 Qc5 15.
Bb7 Rb8 16.Qe2 Rxb7 17.Bxe5 Qc4 18.Qe1 exf5 19.Bxf6+ Be6 20.Be5 f6 21.Bg3 
Kf7 22.b3 Qc6 23.Ne2 Bc5 24.Nf4 Re8 25.Qe2 g6 26.Qd2 Rd7 27.Qc1 Bd4 28.Rb1
Bc3 29.Rf2 Bd5 30.Nxd5 Re1+ 31.Qxe1 Bxe1 32.Rxe1 Qxd5 33.Rfe2 g5 34.c3 f4 
35.Bf2 f3 36.Re4 Qd2 37.Kg1 Qxc3 38.R4e3 Qc2 39.Rxf3 Rd1 40.h3 Rxe1+ 41.
Bxe1 Qb1 42.Rf1 Qxa2 43.b4 Qc2 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "15"]
[White "Reshevsky, Samuel Herman"]
[Black "Fischer, Robert James"]
[Result "1/2-1/2"]
[ECO "E43"]
[EventDate "1970.07.19"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 O-O 7.O-O Bxc3 8.bxc3 
Be4 9.Be2 c5 10.Nd2 Bg6 11.Bf3 Nc6 12.Ba3 Rc8 13.dxc5 Qe7 14.Nb3 Ne5 15.
Be2 Ne4 16.Rc1 Nxc5 17.Bxc5 bxc5 18.f4 Nc6 19.Bf3 a5 20.e4 f6 21.Qe2 a4 
22.Nd2 Rb8 23.Rb1 Qd6 24.g3 e5 25.f5 Bf7 26.Rfd1 Na5 27.Nf1 Qc7 28.Ne3 
Rxb1 29.Rxb1 Rb8 30.Rd1 Qc6 31.Qd3 Rb7 32.a3 h6 33.Be2 Rb3 34.Kf2 Rxa3 35.
Qxd7 Qxd7 36.Rxd7 Ra2 37.Rd8+ Kh7 38.Rf8 Bg8 39.Ke1 Ra1+ 40.Kf2 Ra2 41.Ke1
Ra1+ 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "15"]
[White "Mecking, Henrique"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "A53"]
[EventDate "1970.07.19"]
[PlyCount "97"]

1.d4 Nf6 2.c4 d6 3.Nf3 c6 4.Nc3 Bg4 5.e3 Nbd7 6.Be2 e5 7.h3 Bh5 8.O-O Be7 
9.b3 O-O 10.Bb2 Re8 11.dxe5 dxe5 12.Qc2 Qc7 13.Rad1 Nc5 14.Nh4 Bxe2 15.
Nxe2 Rad8 16.Ng3 Rxd1 17.Rxd1 Bf8 18.Nf3 Nfd7 19.Ng5 h6 20.N5e4 Nxe4 21.
Nxe4 Nc5 22.Nxc5 Bxc5 23.Qd2 f6 24.Kf1 Kf8 25.Bc3 Be7 26.Ba5 b6 27.Bb4 
Bxb4 28.Qxb4+ Kf7 29.Qd2 Ke7 30.Qb4+ Kf7 31.Qd2 Ke7 32.Qc2 Rd8 33.Rxd8 
Qxd8 34.Ke2 Qd6 35.g4 Kf7 36.h4 Qe6 37.f3 Ke7 38.h5 Qd6 39.Qg6 Kf8 40.Qf5 
Ke7 41.Qg6 Kf8 42.a4 Qa3 43.Qc2 Ke7 44.Kd3 Ke6 45.c5 bxc5 46.Qc4+ Kd6 47.
Ke4 Qb4 48.Kf5 Qxc4 49.bxc4 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "15"]
[White "Agdamus, Jose Luis"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[ECO "A57"]
[EventDate "1970.07.19"]
[PlyCount "70"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.b6 Qxb6 6.Nc3 g6 7.Nf3 d6 8.Nd2 Bg7 
9.e4 O-O 10.Nc4 Qc7 11.Be2 Nbd7 12.Bf4 Nb6 13.Ne3 a5 14.Qc2 a4 15.O-O Ba6 
16.Bxa6 Rxa6 17.h3 Nfd7 18.Bg5 Re8 19.Kh1 c4 20.Rae1 a3 21.bxa3 Nc5 22.Nb5
Qd7 23.Rb1 h6 24.Bf4 Nd3 25.Bg3 Rc8 26.Nxc4 Nb2 27.Rxb2 Rxc4 28.Qe2 Bxb2 
29.Qxb2 Na4 30.Qb3 Rxe4 31.Nc3 Rb6 32.Nxe4 Rxb3 33.axb3 Qb5 34.Rc1 Qxb3 
35.Rc7 Qb1+ 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "15"]
[White "Bisguier, Arthur Bernard"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1-0"]
[ECO "B23"]
[EventDate "1970.07.19"]
[PlyCount "51"]

1.e4 c5 2.f4 e6 3.Nc3 Nc6 4.Nf3 Nge7 5.d4 cxd4 6.Nxd4 Nxd4 7.Qxd4 Nc6 8.
Qd3 a6 9.Be3 b5 10.O-O-O Be7 11.g4 Bb7 12.Bg2 d6 13.g5 Qa5 14.Kb1 O-O-O 
15.Qd2 Rd7 16.Qf2 Bd8 17.h4 Bc7 18.Rd3 Nb4 19.Rd2 Kb8 20.Rhd1 Rhd8 21.a3 
Nc6 22.Rd3 b4 23.Na2 Qb5 24.axb4 Nxb4 25.Rb3 a5 26.Bf1 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "15"]
[White "Garcia, Raimundo"]
[Black "Damjanovic, Mato"]
[Result "1/2-1/2"]
[ECO "A27"]
[EventDate "1970.07.19"]
[PlyCount "34"]

1.c4 e5 2.Nc3 Nc6 3.Nf3 g6 4.d4 exd4 5.Nxd4 Bg7 6.Nxc6 bxc6 7.g3 Ne7 8.Bg2
O-O 9.O-O d6 10.Bg5 Be6 11.c5 d5 12.Qd2 f6 13.Bh6 Bxh6 14.Qxh6 g5 15.Qh5 
Qd7 16.Qf3 Ng6 17.Qd3 Bh3 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "16"]
[White "Fischer, Robert James"]
[Black "Garcia, Raimundo"]
[Result "1-0"]
[ECO "B23"]
[EventDate "1970.07.19"]
[PlyCount "71"]

1.e4 c5 2.Nc3 e6 3.Nge2 d6 4.g3 Nf6 5.Bg2 Nc6 6.O-O a6 7.d3 Be7 8.h3 Qc7 
9.Be3 b5 10.a3 Bb7 11.f4 b4 12.axb4 Nxb4 13.f5 e5 14.Na4 O-O 15.c3 Nc6 16.
Qd2 Rad8 17.g4 h6 18.Ng3 Nh7 19.b4 cxb4 20.Bb6 Qd7 21.Bxd8 Qxd8 22.cxb4 
Bg5 23.Qe1 Bh4 24.Kh2 h5 25.Qd1 Bg5 26.Rb1 Bf4 27.Rxf4 exf4 28.Nxh5 Qg5 
29.Qf3 Ne5 30.Qxf4 Nxd3 31.Qxd6 Nf2 32.Nc5 g6 33.Qf4 gxh5 34.Qxf2 Bc6 35.
h4 Qxg4 36.Bh3 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "16"]
[White "Panno, Oscar"]
[Black "Szabo, Laszlo"]
[Result "1-0"]
[ECO "A28"]
[EventDate "1970.07.19"]
[PlyCount "82"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 O-O 6.d3 Re8 7.Bd2 Bf8 8.a3 d6 
9.Be2 Bf5 10.Ng5 Nd7 11.Nge4 Bg6 12.g4 Qh4 13.O-O-O Nc5 14.f3 Bxe4 15.dxe4
a6 16.Nd5 Qd8 17.h4 Ne7 18.Bb4 Nxd5 19.exd5 e4 20.f4 Qd7 21.g5 Nd3+ 22.
Bxd3 exd3 23.Qxd3 Qg4 24.Bd2 Qf3 25.h5 c6 26.Kb1 Rac8 27.Rdf1 Qe4 28.Qxe4 
Rxe4 29.Rc1 c5 30.b3 b5 31.Kb2 g6 32.Kc3 Bg7+ 33.Kd3 Rce8 34.hxg6 hxg6 35.
Rb1 R4e7 36.Rhc1 f6 37.gxf6 Bxf6 38.b4 g5 39.cxb5 gxf4 40.exf4 Re4 41.Rc4 
Rxc4 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "16"]
[White "Quinteros, Miguel Angel"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1/2-1/2"]
[ECO "D34"]
[EventDate "1970.07.19"]
[PlyCount "27"]

1.c4 Nf6 2.Nf3 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.d4 c5 7.cxd5 exd5 8.Nc3 
Nc6 9.dxc5 Bxc5 10.Bg5 d4 11.Bxf6 Qxf6 12.Ne4 Qe7 13.Nxc5 Qxc5 14.Rc1 
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "16"]
[White "Schweber, Samuel"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "B40"]
[EventDate "1970.07.19"]
[PlyCount "62"]

1.e4 c5 2.Nf3 e6 3.b3 Nc6 4.Bb2 Nf6 5.e5 Nd5 6.Nc3 Nxc3 7.Bxc3 b6 8.Bd3 
Bb7 9.Qe2 Qc7 10.h4 Ne7 11.Bb2 Nd5 12.g3 Nb4 13.Be4 h6 14.a3 Bxe4 15.Qxe4 
Qc6 16.Qxc6 Nxc6 17.d4 cxd4 18.Nxd4 Nxd4 19.Bxd4 Rc8 20.c3 Bc5 21.Kd2 Ke7 
22.Rhc1 f6 23.b4 Bxd4 24.cxd4 fxe5 25.dxe5 d6 26.exd6+ Kxd6 27.Ke3 Ke5 28.
a4 Rhd8 29.b5 g6 30.a5 Rxc1 31.Rxc1 Rd5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "16"]
[White "O'Kelly de Galway, Alberic"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1970.07.19"]
[PlyCount "30"]

1.c4 Nf6 2.Nf3 e6 3.d4 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 c5 10.Rd1 d6 11.Qc2 Nc6 12.Be3 Qc7 13.Rac1 e5 14.dxe5 dxe5 15.
Ne1 Nd4 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "16"]
[White "Najdorf, Miguel"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1970.07.19"]
[PlyCount "141"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 Nbd7 4.O-O e5 5.c4 dxc4 6.Qc2 Rb8 7.a4 Nc5 8.Na3 
e4 9.Ng5 Qd5 10.Qxc4 Qxc4 11.Nxc4 h6 12.Nh3 Nb3 13.Rb1 Bb4 14.d3 exd3 15.
exd3 Bf5 16.Rd1 Nxc1 17.Rbxc1 c6 18.Nf4 g5 19.Ne3 Bh7 20.Ne2 Rd8 21.d4 O-O
22.d5 Nxd5 23.Bxd5 cxd5 24.Nxd5 Bd6 25.Nf6+ Kg7 26.Nxh7 Kxh7 27.Rd5 Kg6 
28.Nc3 Be7 29.Rcd1 Rxd5 30.Nxd5 Bc5 31.Kf1 Re8 32.f3 Re6 33.b3 a6 34.Rc1 
Bd6 35.Rc8 Re5 36.Rg8+ Kf5 37.Nb6 Rc5 38.Nc4 Be7 39.Rb8 Rc7 40.Ke2 Bb4 41.
Ne3+ Ke5 42.Re8+ Re7 43.Rd8 Rc7 44.Nc4+ Kf6 45.Rh8 Kg7 46.Rb8 Bc5 47.h4 
Ba7 48.Rd8 Bc5 49.g4 Bb4 50.Rb8 Bc5 51.a5 Bb4 52.Kd3 Rd7+ 53.Ke4 Bc5 54.
Rc8 Bg1 55.f4 Rd4+ 56.Ke5 gxf4 57.Nd6 Rb4 58.Nf5+ Kh7 59.Rf8 b6 60.Rxf7+ 
Kh8 61.Nxh6 bxa5 62.g5 Bd4+ 63.Kd5 Bg7 64.Nf5 Rb5+ 65.Ke4 Rb4+ 66.Kf3 
Rxb3+ 67.Kxf4 Rb4+ 68.Kf3 a4 69.Rxg7 a3 70.g6 Ra4 71.Ra7 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "16"]
[White "Agdamus, Jose Luis"]
[Black "Rossetto, Hector Decio"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1970.07.19"]
[PlyCount "100"]

1.d4 Nc6 2.Nf3 d5 3.Bf4 Bg4 4.e3 e6 5.h3 Bxf3 6.Qxf3 Bd6 7.c4 Nge7 8.Nc3 
O-O 9.Rc1 Bxf4 10.Qxf4 Ng6 11.Qg3 Nce7 12.cxd5 exd5 13.Bd3 c6 14.h4 Qd7 
15.h5 Nh8 16.O-O f5 17.Ne2 Rae8 18.b4 b5 19.a4 a6 20.axb5 axb5 21.Ra1 Nf7 
22.Ra6 Ra8 23.Rfa1 Rxa6 24.Rxa6 Re8 25.Nc1 Qd6 26.Qxd6 Nxd6 27.Nb3 Kf7 28.
Na5 Rc8 29.g4 fxg4 30.Bxh7 Rc7 31.Kg2 Kf6 32.Kg3 Kg5 33.Bg6 Ne4+ 34.Kg2 
Rc8 35.Bxe4 dxe4 36.Ra7 Nf5 37.Rf7 g3 38.Nb7 Ra8 39.Nc5 Ra2 40.Nxe4+ Kg4 
41.Nxg3 Nxe3+ 42.Kg1 Ra1+ 43.Kh2 Nf1+ 44.Nxf1 Rxf1 45.Kg2 Re1 46.Rxg7+ 
Kxh5 47.Rd7 Kg4 48.d5 cxd5 49.Rb7 d4 50.Rxb5 d3 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "16"]
[White "Damjanovic, Mato"]
[Black "Smyslov, Vassily"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1970.07.19"]
[PlyCount "29"]

1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O 5.Nf3 Re8 6.O-O e4 7.Nd4 Nc6 8.Nc2 
Bxc3 9.dxc3 Ne5 10.b3 h6 11.Be3 d6 12.Qd2 b6 13.Bd4 Bd7 14.f4 exf3 15.exf3
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "16"]
[White "Gheorghiu, Florin"]
[Black "Tukmakov, Vladimir"]
[Result "1/2-1/2"]
[ECO "A37"]
[EventDate "1970.07.19"]
[PlyCount "56"]

1.c4 c5 2.Nf3 g6 3.g3 Bg7 4.Bg2 Nc6 5.Nc3 e6 6.O-O Nge7 7.d3 O-O 8.Bd2 b6 
9.Qc1 Bb7 10.Bh6 Bxh6 11.Qxh6 Nf5 12.Qf4 Qb8 13.Qxb8 Raxb8 14.a3 Ncd4 15.
Nd2 d6 16.b4 Rfd8 17.Rfb1 Bxg2 18.Kxg2 Rbc8 19.bxc5 dxc5 20.Rb2 Ne7 21.Nb3
Nxb3 22.Rxb3 Nc6 23.Nb5 Rd7 24.Rb2 Kg7 25.f3 Rcd8 26.Kf2 f5 27.Rab1 Kf6 
28.Nc3 Ne5 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "17"]
[White "Tukmakov, Vladimir"]
[Black "Damjanovic, Mato"]
[Result "1-0"]
[ECO "E17"]
[EventDate "1970.07.19"]
[PlyCount "79"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 c5 7.d5 exd5 8.cxd5 d6 
9.Nd2 O-O 10.O-O Nbd7 11.a4 Ba6 12.b3 Ne8 13.Bb2 Nc7 14.Re1 Re8 15.f4 Bf6 
16.Nde4 Be7 17.Nf2 Rb8 18.Qd2 h6 19.h3 Bb7 20.e4 Bf6 21.Nb5 Bxb2 22.Qxb2 
Nxb5 23.axb5 Nf6 24.Qc3 Qd7 25.Qd3 Qd8 26.e5 dxe5 27.fxe5 Nd7 28.Qf5 Nf8 
29.g4 Ra8 30.Rad1 Qg5 31.Ne4 Qxf5 32.gxf5 Rxe5 33.Nd6 Rxe1+ 34.Rxe1 Rb8 
35.Re7 Ba8 36.Nxf7 Nh7 37.Ne5 Nf6 38.Nc6 Re8 39.Rxa7 Bxc6 40.bxc6 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "17"]
[White "Bisguier, Arthur Bernard"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "B21"]
[EventDate "1970.07.19"]
[PlyCount "43"]

1.e4 c5 2.f4 Nc6 3.Nf3 g6 4.Bb5 Bg7 5.O-O Nf6 6.Nc3 O-O 7.Bxc6 bxc6 8.d3 
d6 9.Qe1 Ne8 10.b3 Nc7 11.Bb2 Nb5 12.Nd1 Nd4 13.Qf2 Qb6 14.Nd2 f5 15.c3 
Ne6 16.g3 Bd7 17.Ne3 Rae8 18.Nf3 Bc8 19.Rfe1 Kh8 20.Rad1 Qd8 21.Qg2 Qd7 
22.h4 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "17"]
[White "Garcia, Raimundo"]
[Black "Schweber, Samuel"]
[Result "0-1"]
[ECO "C10"]
[EventDate "1970.07.19"]
[PlyCount "104"]

1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Be7 6.Bd3 Ngf6 7.Nxf6+ Bxf6 8.
c3 c5 9.O-O O-O 10.Qc2 g6 11.Bh6 Re8 12.Rad1 cxd4 13.Nxd4 a6 14.Rfe1 Qc7 
15.Be4 Nc5 16.Bf3 Bd7 17.Qc1 e5 18.Nb3 Nxb3 19.axb3 Be6 20.Bd5 Rad8 21.
Bxe6 Rxe6 22.Rxd8+ Qxd8 23.Rd1 Rd6 24.Rxd6 Qxd6 25.Qd2 Be7 26.Qxd6 Bxd6 
27.f3 f5 28.Kf2 Kf7 29.Ke3 Bf8 30.Bxf8 Kxf8 31.b4 Ke7 32.c4 h5 33.Kd3 h4 
34.b3 Kd6 35.Kc3 h3 36.gxh3 g5 37.Kd3 Ke6 38.h4 gxh4 39.Ke3 Kf6 40.Kd3 Kg5
41.Ke3 Kg6 42.Kd3 Kf6 43.Ke3 Kg5 44.Kf2 Kf4 45.Ke2 e4 46.fxe4 fxe4 47.b5 
axb5 48.cxb5 b6 49.Kf2 Ke5 50.Ke2 Kd4 51.Kd2 h3 52.Ke2 e3 0-1

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "17"]
[White "Szabo, Laszlo"]
[Black "Agdamus, Jose Luis"]
[Result "1-0"]
[ECO "A48"]
[EventDate "1970.07.19"]
[PlyCount "65"]

1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.Nbd2 c5 5.e3 b6 6.c3 d6 7.Bb5+ Nfd7 8.O-O a6
9.Bd3 Nc6 10.a4 O-O 11.Qe2 h6 12.Bh4 Qe8 13.d5 Nce5 14.Nxe5 Nxe5 15.Bc2 f5
16.f4 Nf7 17.e4 e5 18.exf5 gxf5 19.Nc4 b5 20.axb5 Qxb5 21.Ba4 Qb8 22.Be7 
Ra7 23.Bxf8 Kxf8 24.Qh5 Re7 25.fxe5 Nxe5 26.Nxe5 dxe5 27.Qg6 e4 28.d6 Re6 
29.Rxf5+ Kg8 30.Qf7+ Kh8 31.d7 Bxd7 32.Bxd7 Qxb2 33.Bxe6 1-0

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "17"]
[White "Reshevsky, Samuel Herman"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "A56"]
[EventDate "1970.07.19"]
[PlyCount "22"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Nbd7 6.h3 Be7 7.Bd3 Nf8 8.Be3 h5 9.
Qd2 h4 10.g4 hxg3 11.fxg3 Ng4 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "17"]
[White "Mecking, Henrique"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "E45"]
[EventDate "1970.07.19"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.a3 Bxc3+ 7.Nxc3 d5 8.cxd5 
Bxf1 9.Kxf1 exd5 10.f3 Nc6 11.Kf2 O-O 12.Re1 Re8 13.Kg1 Qd7 14.b3 Rad8 15.
Ra2 Na5 16.Rd2 c6 17.Bb2 Qe6 18.Na2 Nd7 19.Nc1 f6 20.Bc3 Nb7 21.Nd3 Qd6 
22.a4 a5 23.Nf2 b5 24.axb5 cxb5 25.e4 Nb6 26.e5 Qc6 27.Rc2 Rc8 28.Ree2 Qe6
29.exf6 Qxf6 30.Ng4 Qf5 31.Rxe8+ Rxe8 32.Re2 Qc8 33.Bd2 a4 34.bxa4 bxa4 
35.Bb4 Nc4 36.Ra2 h5 37.Ne5 Nxe5 38.dxe5 Rxe5 39.Rxa4 Nd8 40.Qa1 Re8 41.
Ra8 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "17"]
[White "Rubinetti, Jorge Alberto"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "C85"]
[EventDate "1970.07.19"]
[PlyCount "54"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
O-O 9.Nc4 Bd6 10.Bd2 Re8 11.a4 b6 12.Bc3 c5 13.b3 f6 14.Nh4 Nf8 15.Nf5 Ng6
16.g3 Bf8 17.Qf3 Be6 18.h4 Qd7 19.Kh2 Ne7 20.Nxe7+ Bxe7 21.Ne3 b5 22.Qe2 
Bd6 23.f3 Qc6 24.Kg2 Rf8 25.h5 Rae8 26.Rh1 Rd8 27.g4 Rde8 1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "17"]
[White "Smyslov, Vassily"]
[Black "Fischer, Robert James"]
[Result "1/2-1/2"]
[ECO "A37"]
[EventDate "1970.07.19"]
[PlyCount "80"]

1.Nf3 c5 2.g3 g6 3.Bg2 Bg7 4.c4 Nc6 5.Nc3 e6 6.b3 Nge7 7.Bb2 O-O 8.Na4 e5 
9.O-O d6 10.e3 f5 11.d3 h6 12.Ne1 f4 13.Nc2 g5 14.Re1 Bf5 15.Nc3 Qd7 16.
Ne4 Bh3 17.Bh1 Rf7 18.b4 cxb4 19.a3 fxe3 20.Nxe3 bxa3 21.Bxa3 Nf5 22.Nxf5 
Qxf5 23.Ra2 Nd4 24.Nxd6 Nf3+ 25.Bxf3 Qxf3 26.Qxf3 Rxf3 27.Re3 Rxe3 28.fxe3
b6 29.Ne4 Rd8 30.Nf2 Be6 31.Bb2 a5 32.e4 Rb8 33.Bc3 b5 34.Rxa5 bxc4 35.
dxc4 Bxc4 36.Ng4 Be6 37.Nxe5 Rc8 38.Bd4 Bh3 39.Kf2 Rc2+ 40.Ke3 Bxe5 
1/2-1/2

[Event "Buenos Aires it"]
[Site "Buenos Aires ARG"]
[Date "1970.??.??"]
[Round "17"]
[White "Rossetto, Hector Decio"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]
[ECO "A48"]
[EventDate "1970.07.19"]
[PlyCount "37"]

1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.Nbd2 O-O 5.e3 d6 6.Be2 Nbd7 7.O-O h6 8.Bxf6 
Bxf6 9.c3 e5 10.a4 a5 11.Qc2 Qe7 12.Rfe1 Bg7 13.e4 Nb6 14.h3 Be6 15.Bf1 c6
16.Rad1 Rfd8 17.Be2 f5 18.Ra1 Qf7 19.Bf1 1/2-1/2

