[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.20"]
[Round "1"]
[White "Karpov, Anatoly"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "C65"]
[EventDate "1970.06.20"]
[PlyCount "168"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.Qe2 Be7 5.c3 d6 6.d4 Nd7 7.O-O O-O 8.Nbd2 
Bf6 9.d5 Ne7 10.Bd3 c6 11.c4 a5 12.b3 g6 13.Ba3 c5 14.Bb2 Bg7 15.g3 Kh8 
16.Rae1 Nf6 17.Nh4 Nfg8 18.Ng2 a4 19.f4 f6 20.Ne3 Nh6 21.Bc3 axb3 22.axb3 
Bh3 23.Rf2 Bd7 24.Qf1 Nf7 25.f5 g5 26.Be2 Ng8 27.h4 gxh4 28.gxh4 Bh6 29.
Bh5 Qe7 30.Kh1 Bf4 31.Qh3 b5 32.cxb5 Bxb5 33.Ndc4 Bxe3 34.Nxe3 Ra3 35.Bd1 
Ngh6 36.Bb2 Ra2 37.Bh5 Rg8 38.Nd1 Raa8 39.Nc3 Bd7 40.Bc1 Rab8 41.Bd1 Ra8 
42.Ne2 Ra2 43.Rg1 Rxg1+ 44.Kxg1 Bb5 45.Nc3 Rxf2 46.Kxf2 Ba6 47.Nb1 Qb7 48.
Qc3 Ng8 49.Bh5 Ngh6 50.Nd2 Ng8 51.Ke1 Ngh6 52.Kd1 Bb5 53.Nf3 Qa6 54.Ng5 
Be8 55.Be2 Bb5 56.Bh5 Be8 57.Nf3 Bb5 58.Ne1 Qa2 59.Qb2 Qa5 60.Bd2 Qa7 61.
Qc3 Qa2 62.Nc2 c4 63.bxc4 Bxc4 64.Qa3 Qb1+ 65.Qc1 Qb3 66.Bxh6 Qd3+ 67.Bd2 
Qxe4 68.Qa3 Bxd5 69.Ne3 Qxh4 70.Bxf7 Bxf7 71.Qxd6 Qa4+ 72.Ke1 Qh4+ 73.Kd1 
Qa4+ 74.Kc1 Qa1+ 75.Kc2 Qa4+ 76.Kd3 Qb5+ 77.Ke4 Qb7+ 78.Nd5 Qb1+ 79.Ke3 
Qg1+ 80.Kd3 Bxd5 81.Qxf6+ Qg7 82.Qd8+ Qg8 83.Qe7 Qg3+ 84.Be3 h5 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.20"]
[Round "1"]
[White "Ivkov, Borislav"]
[Black "Sljussar, Anatoly"]
[Result "1-0"]
[ECO "D26"]
[EventDate "1970.06.20"]
[PlyCount "111"]

1.Nf3 d5 2.c4 dxc4 3.e3 c5 4.Bxc4 Nf6 5.d4 e6 6.O-O Nc6 7.Qe2 cxd4 8.Rd1 
Be7 9.exd4 O-O 10.Nc3 Nd5 11.Qe4 f5 12.Qe2 Bf6 13.Bxd5 exd5 14.Bf4 Re8 15.
Qb5 Ne7 16.Be5 Kf7 17.Bxf6 gxf6 18.Re1 Qd7 19.Qe2 Qe6 20.Qd1 Qd6 21.Qd2 
Kg7 22.Ne2 Ng6 23.Ng3 Rxe1+ 24.Nxe1 f4 25.Ne2 Bf5 26.Rc1 Re8 27.Nd3 Bxd3 
28.Qxd3 b6 29.Nc3 Rc8 30.Rd1 Re8 31.Qb5 Rd8 32.Re1 f3 33.g3 a6 34.Qd3 Qb4 
35.Qxf3 Qxd4 36.Rd1 Ne5 37.Qe2 Qc5 38.Ne4 Qc7 39.Nd2 Qc2 40.f4 Ng6 41.h4 
Re8 42.Qxe8 Qxd1+ 43.Nf1 Qd4+ 44.Ne3 Qc5 45.b4 Qd4 46.Kg2 Qd3 47.Qe6 Qe2+ 
48.Kh3 Nxf4+ 49.gxf4 Qf3+ 50.Kh2 Qxf4+ 51.Kg2 Qxb4 52.Qxd5 Qb2+ 53.Kf3 a5 
54.h5 Qa3 55.Qb7+ Kh6 56.Qxb6 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.20"]
[Round "1"]
[White "Benko, Pal"]
[Black "Sigurjonsson, Gudmundur"]
[Result "1-0"]
[ECO "D30"]
[EventDate "1970.06.20"]
[PlyCount "43"]

1.Nf3 d5 2.d4 Nf6 3.c4 c6 4.e3 e6 5.Bd3 Nbd7 6.Nbd2 c5 7.b3 Be7 8.O-O O-O 
9.Bb2 b6 10.Qe2 Bb7 11.Rfd1 Rc8 12.Rac1 Rc7 13.dxc5 Nxc5 14.Bc2 Qa8 15.Ng5
Ncd7 16.cxd5 Rfc8 17.dxe6 Rxc2 18.exd7 Nxd7 19.Rxc2 Rxc2 20.Qd3 Bxg5 21.
Qxc2 Bxg2 22.Qf5 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.20"]
[Round "1"]
[White "Caro, Alberto"]
[Black "Ciocaltea, Victor"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1970.06.20"]
[PlyCount "112"]

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.Nf3 d5 5.exd5 cxd5 6.Bb5+ Nc6 7.h3 e6 8.O-O 
Ne7 9.Ne2 O-O 10.c3 f6 11.c4 a6 12.cxd5 axb5 13.dxc6 bxc6 14.Re1 Nd5 15.
Nf4 Nxf4 16.Bxf4 Qd5 17.Qc2 Bd7 18.Qe4 Rfc8 19.Bd2 Qxe4 20.Rxe4 c5 21.dxc5
Rxc5 22.Bc3 e5 23.Re2 Bc6 24.a3 Rd5 25.Rd2 Rxd2 26.Nxd2 Bd5 27.Kf1 Bf8 28.
Rc1 Rc8 29.f3 Be7 30.Ke2 Kf7 31.b4 Ra8 32.Bb2 f5 33.Ra1 Ke6 34.Rb1 h5 35.
Rc1 Bd6 36.Ra1 g5 37.Kf2 Bc7 38.Ke2 Bb6 39.Rc1 h4 40.Nb3 Bc4+ 41.Ke1 e4 
42.Nc5+ Bxc5 43.bxc5 Kd5 44.Kf2 e3+ 45.Ke1 Kxc5 46.Bf6 Rg8 47.Rd1 e2 48.
Ra1 Kd5 49.Kf2 Ke6 50.Bc3 Rd8 51.Re1 Kf7 52.Bb4 Kg6 53.Ba5 Rd7 54.Bb4 Kh5 
55.Ke3 Rd1 56.Ba5 Rd3+ 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.20"]
[Round "1"]
[White "Kavalek, Lubomir"]
[Black "Barcza, Gedeon"]
[Result "1/2-1/2"]
[ECO "B17"]
[EventDate "1970.06.20"]
[PlyCount "68"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Ne5 Bf5 8.
c3 Nd7 9.Nxf7 Kxf7 10.Qf3 e6 11.g4 Qf6 12.gxf5 Qxf5 13.Qe3 c5 14.Bh3 cxd4 
15.cxd4 Bb4+ 16.Kf1 Qb5+ 17.Kg1 Rhe8 18.Qb3 Qb6 19.Be3 Nf8 20.Bg2 Re7 21.
h4 Bd6 22.h5 Qxb3 23.axb3 a6 24.Be4 Rd7 25.Kg2 Be7 26.Rhd1 Rad8 27.Rd2 h6 
28.Rad1 Bf6 29.d5 exd5 30.Bxd5+ Ne6 31.Kf1 Ke7 32.Bb6 Re8 33.Bc4 Rxd2 34.
Rxd2 Rc8 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.20"]
[Round "1"]
[White "O'Kelly de Galway, Alberic"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]
[ECO "E94"]
[EventDate "1970.06.20"]
[PlyCount "83"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Nf3 O-O 6.Be2 e5 7.O-O Qe7 8.Bg5 c6 
9.d5 h6 10.Bh4 g5 11.Bg3 Nh5 12.Nd2 Nf4 13.Bg4 f5 14.Bxf5 Bxf5 15.exf5 
Rxf5 16.Nde4 Bf8 17.Re1 c5 18.Bxf4 Rxf4 19.g3 Rf7 20.Qg4 Nd7 21.h4 Nf6 22.
Nxf6+ Qxf6 23.Ne4 Qf5 24.Qxf5 Rxf5 25.hxg5 hxg5 26.Kg2 Be7 27.Rh1 Kg7 28.
Rh5 Rh8 29.Rxh8 Kxh8 30.Kh3 Kg7 31.Kg4 Kg6 32.a3 Rf8 33.b4 cxb4 34.axb4 a6
35.c5 Rc8 36.Rc1 a5 37.Nxd6 Bxd6 38.cxd6 Rd8 39.bxa5 Rxd6 40.Rc5 e4 41.Rb5
Kf6 42.Rb6 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.20"]
[Round "1"]
[White "Panno, Oscar"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1970.06.20"]
[PlyCount "46"]

1.g3 c5 2.c4 Nc6 3.Bg2 g6 4.Nc3 Bg7 5.a3 Nf6 6.Rb1 a5 7.Nf3 O-O 8.O-O d6 
9.b3 Ne8 10.Bb2 Nc7 11.Na4 Bf5 12.Bxg7 Kxg7 13.d3 b5 14.Nh4 Bd7 15.Nb6 Rb8
16.Nxd7 Qxd7 17.Qd2 b4 18.Ra1 e5 19.Bxc6 Qxc6 20.axb4 axb4 21.Nf5+ gxf5 
22.Qg5+ Kh8 23.Qf6+ Kg8 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.20"]
[Round "1"]
[White "Villarroel, Geber"]
[Black "Addison, William"]
[Result "0-1"]
[ECO "C45"]
[EventDate "1970.06.20"]
[PlyCount "108"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4 a6 7.Nc3 Nge7 8.Bc4 
Ne5 9.Be2 O-O 10.O-O d6 11.Kh1 N5g6 12.f4 f5 13.Nd4 fxe4 14.Nxe4 d5 15.Ng3
c5 16.Nb3 Qd6 17.a5 Ba7 18.c4 Be6 19.cxd5 Qxd5 20.Qxd5 Bxd5 21.Nd2 Nxf4 
22.Bc4 Bxc4 23.Nxc4 Nh5 24.Bg5 Nxg3+ 25.hxg3 Nf5 26.Bf4 Bb8 27.Kh2 Bxf4 
28.gxf4 Rae8 29.Ne5 Ne3 30.Rf3 Nd5 31.Raf1 Rxf4 32.Rxf4 Nxf4 33.Nd7 Nd3 
34.b3 Rd8 35.Nb6 Rd4 36.Nc4 Nb4 37.Re1 Nc6 38.Re3 h6 39.Kg3 Kh7 40.Kf2 Rd1
41.Rf3 Ra1 42.Rf7 Nxa5 43.Nxa5 Rxa5 44.Rxb7 Rb5 45.Rc7 Rxb3 46.Rxc5 Ra3 
47.Rc6 h5 48.Rd6 g6 49.Rc6 Kh6 50.Rc5 h4 51.Rd5 g5 52.Rc5 Kh5 53.Rc4 Ra2+ 
54.Kf3 g4+ 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.20"]
[Round "1"]
[White "Yepez Obando, Olavo"]
[Black "Stein, Leonid"]
[Result "0-1"]
[ECO "E82"]
[EventDate "1970.06.20"]
[PlyCount "108"]

1.c4 g6 2.Nc3 Bg7 3.d4 Nf6 4.e4 d6 5.f3 O-O 6.Be3 b6 7.Bd3 e5 8.Nge2 c5 9.
d5 Ne8 10.Qd2 f5 11.a3 Nd7 12.b4 Ndf6 13.Bg5 Qc7 14.O-O f4 15.Nc1 h6 16.
Bxf6 Bxf6 17.Nb3 Bd8 18.Rab1 a6 19.bxc5 bxc5 20.Rb2 g5 21.g4 h5 22.h3 Nf6 
23.Be2 Ra7 24.Kg2 Qh7 25.Rh1 Raf7 26.Qd3 Qg7 27.Nd2 Ba5 28.Rb8 Nd7 29.Rbb1
Qf6 30.Nd1 Rh7 31.Nf2 Kg7 32.Bd1 Rfh8 33.Be2 Nf8 34.Nb3 Bc7 35.Qc3 Qd8 36.
Rbg1 Ng6 37.Kf1 a5 38.Nc1 Bd7 39.Bd1 a4 40.Ke2 Ba5 41.Qb2 Qa8 42.Qc2 Rb8 
43.Qd3 Rb2+ 44.Bc2 Qh8 45.Nd1 Rxc2+ 46.Qxc2 hxg4 47.fxg4 Rxh3 48.Nf2 Re3+ 
49.Kd1 Qb8 50.Rh3 Nh4 51.Rxe3 fxe3 52.Nfd3 Nf3 53.Rg3 Nd4 54.Qa2 Bd2 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.21"]
[Round "2"]
[White "Cuellar Gacharna, Miguel"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "A07"]
[EventDate "1970.06.20"]
[PlyCount "86"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.d3 Bg4 5.Nbd2 e6 6.O-O Nbd7 7.e4 Be7 8.Qe1 
O-O 9.h3 Bxf3 10.Nxf3 dxe4 11.dxe4 e5 12.Bd2 Bd6 13.Nh4 Re8 14.Nf5 Bf8 15.
Ba5 b6 16.Bd2 Nc5 17.Bg5 Re6 18.Qe2 a5 19.Rfe1 Qc7 20.Qf3 Nfd7 21.Rad1 h6 
22.Bc1 Nf6 23.Kh2 Kh7 24.g4 g6 25.Ng3 Ng8 26.g5 hxg5 27.Bxg5 Rd6 28.Rxd6 
Bxd6 29.Rd1 Ne6 30.Be3 Rd8 31.c3 Kg7 32.Bf1 Bc5 33.Rxd8 Qxd8 34.Bxc5 Nxc5 
35.Bc4 Qf6 36.Qe2 b5 37.Bb3 Qf4 38.Kg2 Nf6 39.Bc2 Ne6 40.Bb3 Ng5 41.Qe3 
Qh4 42.Bd1 Qxh3+ 43.Kg1 Nfxe4 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.21"]
[Round "2"]
[White "Barcza, Gedeon"]
[Black "Karpov, Anatoly"]
[Result "0-1"]
[ECO "A37"]
[EventDate "1970.06.20"]
[PlyCount "68"]

1.Nf3 c5 2.c4 g6 3.g3 Bg7 4.Bg2 Nc6 5.Nc3 e5 6.d3 Nge7 7.O-O O-O 8.Ne1 Rb8
9.Nc2 a6 10.Rb1 d6 11.b4 Be6 12.bxc5 dxc5 13.Ne3 b6 14.Ned5 Bd7 15.Bd2 
Nxd5 16.Nxd5 Ne7 17.Qc1 Nxd5 18.Bxd5 Bh3 19.Re1 b5 20.a3 Qd6 21.Bf3 Be6 
22.cxb5 axb5 23.Be3 Rfc8 24.Qd2 b4 25.axb4 cxb4 26.Ba7 Rb5 27.Rec1 Rxc1+ 
28.Qxc1 b3 29.Qc6 Qxc6 30.Bxc6 Ra5 31.Be3 Ra2 32.Bb5 b2 33.Kg2 e4 34.d4 
Bb3 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.21"]
[Round "2"]
[White "Stein, Leonid"]
[Black "Caro, Alberto"]
[Result "1-0"]
[ECO "C95"]
[EventDate "1970.06.20"]
[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 Nb8 10.d4 Nbd7 11.c4 c6 12.a3 bxc4 13.Bxc4 Nxe4 14.dxe5 Nb6 15.Rxe4 
d5 16.Bxd5 cxd5 17.Re1 Re8 18.Nc3 Bb7 19.Nd4 Nc4 20.Bf4 Rc8 21.Rb1 Qd7 22.
Qd3 g6 23.Re2 Bf8 24.Rbe1 Bg7 25.b3 Na5 26.Na4 Qe7 27.b4 Nc4 28.Nc5 Rxc5 
29.bxc5 Qxc5 30.a4 Rc8 31.Bg3 Re8 32.e6 f5 33.Nxf5 gxf5 34.Qxf5 Qf8 35.
Qf7+ Kh8 36.Qxb7 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.21"]
[Round "2"]
[White "Addison, William"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E69"]
[EventDate "1970.06.20"]
[PlyCount "77"]

1.c4 g6 2.Nc3 Bg7 3.Nf3 d6 4.d4 Nf6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 
9.h3 a5 10.Be3 exd4 11.Nxd4 Re8 12.Qc2 Nc5 13.Nb3 Nfd7 14.Rad1 Qe7 15.Rfe1
Ne5 16.Nxc5 dxc5 17.Na4 Bxh3 18.Bxh3 Nf3+ 19.Kf1 Nxe1 20.Rxe1 Bd4 21.Bxd4 
cxd4 22.c5 Rad8 23.Qd3 h5 24.e5 h4 25.f4 hxg3 26.Kg2 Qh4 27.Re4 f5 28.exf6
Qxf6 29.Nb6 Rxe4 30.Qxe4 d3 31.Nd7 Qxb2+ 32.Kxg3 d2 33.Qe6+ Kh7 34.Qe7+ 
Kh6 35.Qg5+ Kh7 36.Qxd8 Qc3+ 37.Kh2 Qc2 38.Nf6+ Kg7 39.Qe7+ 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.21"]
[Round "2"]
[White "Benko, Pal"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "A62"]
[EventDate "1970.06.20"]
[PlyCount "31"]

1.c4 Nf6 2.Nf3 e6 3.d4 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.g3 Bg7 8.Bg2 O-O 
9.O-O a6 10.a4 Nbd7 11.Nd2 Ne8 12.Nc4 Ne5 13.Na3 f5 14.h3 g5 15.f4 gxf4 
16.gxf4 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.21"]
[Round "2"]
[White "Bisguier, Arthur Bernard"]
[Black "Villarroel, Geber"]
[Result "1-0"]
[ECO "E12"]
[EventDate "1970.06.20"]
[PlyCount "77"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.a3 d5 5.Nc3 Be7 6.cxd5 exd5 7.Bf4 O-O 8.e3 c5 
9.Ne5 Be6 10.Bd3 Qc8 11.O-O c4 12.Bc2 Nbd7 13.Ba4 a6 14.Nc6 Re8 15.Nxe7+ 
Rxe7 16.f3 b5 17.Bc2 Qc6 18.Qd2 Ree8 19.h3 Nb6 20.Ne2 Na4 21.Bxa4 bxa4 22.
Ng3 Ra7 23.Bg5 Nd7 24.e4 f6 25.Bf4 Nf8 26.e5 f5 27.Qc2 Rb7 28.Bd2 Qb6 29.
Bc3 Qb3 30.Qd2 Qb5 31.Rf2 Qd7 32.Kh2 Ng6 33.f4 Nh8 34.Rg1 Nf7 35.Qe2 Nh6 
36.Nf1 g6 37.Ne3 Qf7 38.g4 Reb8 39.g5 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.21"]
[Round "2"]
[White "Parma, Bruno"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[ECO "C93"]
[EventDate "1970.06.20"]
[PlyCount "50"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5 15.b3 Nc6 
16.d5 Ne7 17.Be3 Nc8 18.Nd2 Nb6 19.c4 bxc4 20.Nxc4 Nxc4 21.bxc4 Rb8 22.Qd2
Qc7 23.Rab1 Rxb1 24.Rxb1 Rb8 25.Rxb8 Qxb8 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.21"]
[Round "2"]
[White "Sigurjonsson, Gudmundur"]
[Black "Ciocaltea, Victor"]
[Result "1-0"]
[ECO "B21"]
[EventDate "1970.06.20"]
[PlyCount "45"]

1.e4 c5 2.f4 Nc6 3.Nf3 e6 4.Nc3 Nge7 5.d4 Nxd4 6.Nxd4 cxd4 7.Qxd4 Nc6 8.
Qf2 Bb4 9.Bd3 O-O 10.O-O d6 11.Be3 b6 12.Rad1 Bxc3 13.bxc3 Qe7 14.Qg3 f5 
15.Rfe1 Qf7 16.exf5 exf5 17.Bb5 Na5 18.Rxd6 Nb7 19.Rc6 Na5 20.Bd4 Bb7 21.
Rd6 Rad8 22.Rxd8 Rxd8 23.Qg5 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.21"]
[Round "2"]
[White "Sljussar, Anatoly"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "A56"]
[EventDate "1970.06.20"]
[PlyCount "134"]

1.d4 Nf6 2.c4 c5 3.e3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O cxd4 7.exd4 d5 8.Nc3 
Nc6 9.Re1 dxc4 10.Bxc4 Bg4 11.Be2 Rc8 12.Be3 Nd5 13.Rc1 Nxe3 14.fxe3 Bh6 
15.Bf1 Qa5 16.Kf2 Rfd8 17.h3 Bxf3 18.Qxf3 Qb4 19.Rc2 e6 20.Kg1 Qe7 21.Rf2 
Na5 22.Ne4 f5 23.Nc5 e5 24.Rfe2 Nc6 25.Nb3 e4 26.Qg3 Bg5 27.Qf2 Nb4 28.Rd2
Nd5 29.g3 b6 30.Rdd1 Qb4 31.Nd2 Qxb2 32.Bc4 Qa3 33.Bb3 Kh8 34.Nb1 Qd6 35.
Kg2 h5 36.h4 Bh6 37.Qd2 Nf6 38.d5 Kh7 39.Nc3 Ng4 40.Nb5 Qd7 41.Nd4 Qd6 42.
Ne6 Rd7 43.Rc1 Rxc1 44.Qxc1 Qb4 45.Re2 Qb5 46.Re1 Qa5 47.Re2 Qa6 48.Re1 
Ne5 49.Qc2 Qd3 50.Qxd3 Nxd3 51.Rd1 Kg8 52.Nf4 Bxf4 53.gxf4 Kf8 54.Kf1 Ke7 
55.Ke2 Nc5 56.Bc4 a6 57.a3 Na4 58.Rc1 Rc7 59.Kd2 b5 60.Bb3 Rxc1 61.Kxc1 
Kd6 62.Kc2 Nc5 63.Ba2 Nd3 64.Kd2 Nf2 65.Kc3 Ng4 66.Kd2 Nh2 67.Ke1 Nf3+ 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.22"]
[Round "3"]
[White "Ivkov, Borislav"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "E08"]
[EventDate "1970.06.20"]
[PlyCount "26"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.d4 Nbd7 7.Qc2 c6 8.b3 b6 
9.Bb2 Ba6 10.Nbd2 Rc8 11.e4 c5 12.exd5 exd5 13.Rfe1 Re8 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.22"]
[Round "3"]
[White "Karpov, Anatoly"]
[Black "Parma, Bruno"]
[Result "1-0"]
[ECO "E32"]
[EventDate "1970.06.20"]
[PlyCount "131"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.Nf3 c5 6.dxc5 Na6 7.Bd2 Nxc5 8.e3 
b6 9.Be2 Bb7 10.O-O d6 11.Rfd1 a6 12.b3 e5 13.a3 Bxc3 14.Bxc3 Qe7 15.Ne1 
Rac8 16.Rac1 Nfe4 17.b4 Nxc3 18.Qxc3 Ne6 19.Qd3 Rfd8 20.Bf3 Bxf3 21.Nxf3 
g6 22.Nd2 Nc7 23.Ne4 Ne8 24.Qd5 Kg7 25.h3 Nf6 26.Nxf6 Kxf6 27.Qe4 Kg7 28.
Rd5 Qc7 29.f4 Re8 30.fxe5 dxe5 31.c5 Re6 32.Qd3 bxc5 33.bxc5 Qc6 34.Rb1 
Qc7 35.Rf1 Rf8 36.Kh1 Qc6 37.Rb1 Qc7 38.e4 Rb8 39.Rf1 Rb7 40.Qc3 Rb5 41.a4
Rb8 42.Rc1 Rc8 43.Rb1 Kg8 44.Rbd1 Qe7 45.Rf1 Rc7 46.a5 Rec6 47.Rc1 f6 48.
Qd2 Kf7 49.Kh2 Ke8 50.Rd6 Rd7 51.Rd1 Rcxd6 52.cxd6 Qe6 53.Qd3 Qa2 54.Qxa6 
Qc2 55.Qa8+ Kf7 56.Qd5+ Kg7 57.Rd2 Qc3 58.Ra2 h5 59.Rd2 h4 60.Rd1 Qc2 61.
a6 Qa4 62.Qd3 g5 63.Rb1 f5 64.Rb7 g4 65.hxg4 fxg4 66.Qe2 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.22"]
[Round "3"]
[White "Ciocaltea, Victor"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "B56"]
[EventDate "1970.06.20"]
[PlyCount "49"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Bd7 7.Bb3 g6 8.f3 
Nxd4 9.Qxd4 Bg7 10.Bg5 O-O 11.Qe3 b5 12.h4 a5 13.a4 bxa4 14.Nxa4 Rb8 15.h5
Nxh5 16.g4 Nf6 17.Bh6 Bxa4 18.Bxg7 Kxg7 19.Rxa4 Rb5 20.Qh6+ Kh8 21.Rd4 e6 
22.f4 Qe7 23.e5 dxe5 24.g5 Nh5 25.Rd7 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.22"]
[Round "3"]
[White "Caro, Alberto"]
[Black "Addison, William"]
[Result "0-1"]
[ECO "A01"]
[EventDate "1970.06.20"]
[PlyCount "114"]

1.b3 e5 2.Bb2 Nc6 3.c4 f5 4.e3 Nf6 5.Nf3 d6 6.Be2 Be7 7.O-O O-O 8.d4 e4 9.
Ng5 h6 10.Nh3 g5 11.f4 exf3 12.Bxf3 g4 13.Bd5+ Nxd5 14.cxd5 Nb4 15.Nf4 Bg5
16.Nc3 Qe8 17.Re1 Bxf4 18.exf4 Qf7 19.Rc1 Bd7 20.a3 Na6 21.Qd3 Rae8 22.b4 
Rxe1+ 23.Rxe1 Re8 24.Rxe8+ Qxe8 25.Kf2 Nb8 26.Qc4 Qc8 27.Qe2 Kf7 28.Nd1 b5
29.Qc2 Kf6 30.Ne3 Be8 31.Bc3 Bg6 32.Be1 Nd7 33.Ke2 Nb6 34.Bh4+ Kf7 35.Kf2 
a6 36.Qc6 Bh7 37.Qc2 Bg6 38.Qc6 Kf8 39.Qc2 Qe8 40.Qd3 Qf7 41.Qb3 Kg8 42.
Qa2 Qg7 43.Qd2 Kf8 44.Qc3 Na4 45.Qd2 Ke8 46.Qc2 Qxd4 47.Qxc7 Qxf4+ 48.Ke2 
Qe5 49.Qc8+ Kf7 50.Qd7+ Kf8 51.Qd8+ Kg7 52.Qd7+ Bf7 53.Qxf5 Nc3+ 54.Kf2 
Nd1+ 55.Ke2 Qxe3+ 56.Kxd1 Qd4+ 57.Kc1 Bxd5 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.22"]
[Round "3"]
[White "Kavalek, Lubomir"]
[Black "Sljussar, Anatoly"]
[Result "1-0"]
[ECO "A34"]
[EventDate "1970.06.20"]
[PlyCount "61"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.e3 a6 6.d4 Nxc3 7.bxc3 e6 8.Bd3 
Nd7 9.O-O g6 10.e4 Bg7 11.Bg5 Qa5 12.Qc1 O-O 13.Bh6 b5 14.a4 c4 15.axb5 
Qxb5 16.Bc2 Nb6 17.Bxg7 Kxg7 18.Ne5 a5 19.Qf4 f6 20.Rfb1 Qe8 21.Rxb6 fxe5 
22.Qxe5+ Kg8 23.Ba4 Qf7 24.f3 Qf4 25.Qxf4 Rxf4 26.Bc6 Ra7 27.Ra4 Bd7 28.
Bxd7 Rxd7 29.Rxa5 Kf7 30.Kf2 Ke7 31.Raa6 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.22"]
[Round "3"]
[White "O'Kelly de Galway, Alberic"]
[Black "Sigurjonsson, Gudmundur"]
[Result "1/2-1/2"]
[ECO "E90"]
[EventDate "1970.06.20"]
[PlyCount "46"]

1.c4 g6 2.Nc3 Bg7 3.d4 Nf6 4.e4 d6 5.Nf3 O-O 6.h3 Na6 7.Be3 c5 8.d5 e6 9.
Bd3 exd5 10.exd5 Nc7 11.a4 Na6 12.O-O Nb4 13.Bb1 Ne8 14.Qd2 f5 15.Bg5 Bf6 
16.Re1 Rb8 17.Na2 Nxa2 18.Rxa2 Nc7 19.b3 Bxg5 20.Nxg5 Rf6 21.Qc3 h6 22.Nf3
Qf8 23.Rae2 Bd7 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.22"]
[Round "3"]
[White "Panno, Oscar"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "E61"]
[EventDate "1970.06.20"]
[PlyCount "86"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 c6 5.d5 cxd5 6.cxd5 d6 7.Bg2 O-O 8.Nf3 Na6
9.O-O Bd7 10.Nd4 Qb6 11.Nb3 Rfc8 12.Be3 Qd8 13.h3 Be8 14.Qd2 Nd7 15.Nd4 
Nb6 16.b3 Rc5 17.a4 Rac8 18.Rac1 Nc7 19.Ndb5 Nxb5 20.Nxb5 Rxc1 21.Rxc1 
Bxb5 22.axb5 Rxc1+ 23.Qxc1 Qd7 24.Qa3 Qxb5 25.Qxa7 Nd7 26.Qa8+ Nf8 27.Qa2 
h6 28.Be4 Kh7 29.g4 Nd7 30.Qa4 Qxa4 31.bxa4 Bc3 32.Bd3 b6 33.Kg2 Kg8 34.f4
Nc5 35.Bc2 Bf6 36.Bd2 Nd7 37.Kf3 Nc5 38.e3 Kf8 39.Ke2 Ke8 40.Bd3 Kf8 41.
Bc2 Ke8 42.Bb4 Kd8 43.Kd2 Kc7 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.22"]
[Round "3"]
[White "Villarroel, Geber"]
[Black "Barcza, Gedeon"]
[Result "0-1"]
[ECO "B45"]
[EventDate "1970.06.20"]
[PlyCount "136"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d6 6.g3 Nxd4 7.Qxd4 Bd7 8.Bg2 
Bc6 9.O-O Nf6 10.a4 Be7 11.b3 O-O 12.Bb2 a6 13.Rfd1 Qc7 14.a5 Rac8 15.Rd2 
Rfd8 16.h3 Ne8 17.Na4 Bf6 18.Qb4 Bxb2 19.Nxb2 Nf6 20.Na4 Bxa4 21.Qxa4 e5 
22.Rad1 Qc3 23.Qa1 Qb4 24.c4 h6 25.Rd3 Ne8 26.Qc3 Qxc3 27.Rxc3 Rc6 28.h4 
Nc7 29.Bh3 Nb5 30.Rcd3 Nd4 31.Kf1 Kf8 32.R1d2 Rc5 33.Ra2 Nc6 34.Rad2 Ke7 
35.Rd5 Rxa5 36.Bg4 Ra1+ 37.Rd1 Rxd1+ 38.Bxd1 b6 39.Rd2 a5 40.Ke1 g5 41.
hxg5 hxg5 42.Kf1 Rb8 43.Kg2 b5 44.cxb5 Rxb5 45.Rd3 Nd4 46.Kh3 Rb4 47.f3 
Ne6 48.Rc3 Nc5 49.Kg4 Kf6 50.Kh3 Rd4 51.Be2 Kg6 52.Bf1 f5 53.exf5+ Kxf5 
54.Bb5 Ke6 55.Kg2 g4 56.fxg4 Rxg4 57.Be2 Rd4 58.Kf1 Ne4 59.Re3 d5 60.Ke1 
Rb4 61.g4 Ng5 62.Rc3 e4 63.Rc5 Rxb3 64.Rxa5 Nf3+ 65.Bxf3 Rxf3 66.Ra6+ Ke5 
67.g5 Rg3 68.g6 d4 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.22"]
[Round "3"]
[White "Yepez Obando, Olavo"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "E43"]
[EventDate "1970.06.20"]
[PlyCount "70"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nf3 Bb7 6.Bd3 Ne4 7.O-O Bxc3 8.bxc3 
O-O 9.Nd2 Nxd2 10.Bxd2 f5 11.f3 d6 12.Qc2 Nd7 13.e4 fxe4 14.Bxe4 Bxe4 15.
Qxe4 Re8 16.f4 Nf6 17.Qf3 Qd7 18.a4 a5 19.Ra2 Rac8 20.f5 exf5 21.Qxf5 Qxf5
22.Rxf5 Re2 23.Rf2 Rxf2 24.Kxf2 Re8 25.Kf1 Ne4 26.Be1 Kf7 27.Re2 Re6 28.
Re3 c6 29.Ke2 d5 30.cxd5 cxd5 31.Kd3 Nd6 32.Rf3+ Rf6 33.Rh3 h6 34.Rh5 g5 
35.h4 Kg6 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.23"]
[Round "4"]
[White "Bisguier, Arthur Bernard"]
[Black "Caro, Alberto"]
[Result "1-0"]
[ECO "C77"]
[EventDate "1970.06.20"]
[PlyCount "59"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 b5 6.Bb3 d6 7.a4 b4 8.Bxf7+ 
Kxf7 9.Qc4+ Ke8 10.Qxc6+ Bd7 11.Qc4 c5 12.O-O h6 13.Nh4 g5 14.Ng6 Rg8 15.
Nxf8 Kxf8 16.Qe2 Qe8 17.d3 Bxa4 18.Nd2 Bb5 19.Nc4 Ke7 20.c3 bxc3 21.bxc3 
Qh5 22.f3 Qf7 23.Ne3 Bd7 24.Ba3 Rgb8 25.Qd2 Ke8 26.d4 cxd4 27.cxd4 Rd8 28.
Rfc1 Bb5 29.Nf5 exd4 30.Qxd4 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.23"]
[Round "4"]
[White "O'Kelly de Galway, Alberic"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "A42"]
[EventDate "1970.06.20"]
[PlyCount "38"]

1.c4 g6 2.Nc3 Bg7 3.d4 d6 4.e4 e5 5.d5 f5 6.exf5 gxf5 7.Qh5+ Kf8 8.Bd3 Nf6
9.Qh3 Qd7 10.Nge2 f4 11.Qxd7 Nbxd7 12.f3 c6 13.g3 fxg3 14.hxg3 cxd5 15.
Nxd5 Nxd5 16.cxd5 Nf6 17.Nc3 Bd7 18.Ke2 h6 19.Be3 a6 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.23"]
[Round "4"]
[White "Sljussar, Anatoly"]
[Black "Karpov, Anatoly"]
[Result "0-1"]
[ECO "A46"]
[EventDate "1970.06.20"]
[PlyCount "48"]

1.d4 Nf6 2.Nf3 c5 3.c3 b6 4.Bf4 Bb7 5.Nbd2 g6 6.h3 Bg7 7.e3 O-O 8.Bd3 d5 
9.O-O Nbd7 10.Re1 a6 11.Bh2 b5 12.e4 cxd4 13.cxd4 dxe4 14.Nxe4 Nd5 15.Qb3 
Qb6 16.Nc3 N7f6 17.Rad1 Rac8 18.Be5 Nxc3 19.bxc3 Bd5 20.Qb2 Qc6 21.Re3 
Qxc3 22.Qe2 Qb4 23.a3 Qa4 24.Bf4 Bb3 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.23"]
[Round "4"]
[White "Addison, William"]
[Black "Ciocaltea, Victor"]
[Result "1/2-1/2"]
[ECO "E72"]
[EventDate "1970.06.20"]
[PlyCount "58"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.g3 O-O 6.Bg2 Nc6 7.Nge2 e5 8.d5 Ne7 
9.f3 c5 10.Be3 a6 11.a3 Nh5 12.b4 b6 13.bxc5 bxc5 14.a4 f5 15.a5 Nf6 16.
Qd3 fxe4 17.fxe4 Ng4 18.Bg1 Bh6 19.h3 Nf6 20.Bf2 Bd7 21.O-O Rb8 22.Rfb1 
Qc7 23.Nd1 Rxb1 24.Qxb1 Rb8 25.Qc2 Kg7 26.Kh2 Bg5 27.Ng1 h5 28.Nf3 Bh6 29.
Be1 Nh7 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.23"]
[Round "4"]
[White "Barcza, Gedeon"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "A05"]
[EventDate "1970.06.20"]
[PlyCount "58"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 d6 5.d4 O-O 6.Bg2 c5 7.O-O Na6 8.c4 Bd7 
9.Nc3 Qc8 10.Re1 Rd8 11.Qd2 cxd4 12.Nxd4 Nc5 13.Rac1 a5 14.Nd5 Nxd5 15.
Bxd5 Bc6 16.Nxc6 bxc6 17.Bxg7 Kxg7 18.Bg2 Ra6 19.h4 h5 20.Kh2 Qc7 21.a3 
Kg8 22.Rb1 d5 23.cxd5 cxd5 24.b4 axb4 25.axb4 Ne4 26.Bxe4 dxe4 27.Qe3 Qb6 
28.Qxb6 Rxb6 29.Rb2 Rb5 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.23"]
[Round "4"]
[White "Benko, Pal"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "B27"]
[EventDate "1970.06.20"]
[PlyCount "32"]

1.Nf3 g6 2.e4 c5 3.c3 Bg7 4.d4 cxd4 5.cxd4 d5 6.e5 Nc6 7.Nc3 Nh6 8.h3 f6 
9.Bb5 O-O 10.exf6 exf6 11.O-O Nf5 12.Re1 a6 13.Bf1 b5 14.Bf4 Bb7 15.Qd2 
Rf7 16.h4 Bf8 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.23"]
[Round "4"]
[White "Parma, Bruno"]
[Black "Villarroel, Geber"]
[Result "1-0"]
[ECO "B06"]
[EventDate "1970.06.20"]
[PlyCount "81"]

1.e4 g6 2.d4 Bg7 3.c3 c6 4.f4 d5 5.e5 a5 6.Nf3 Bg4 7.Be3 Bxf3 8.Qxf3 e6 9.
Bd3 Ne7 10.O-O Nd7 11.Nd2 a4 12.Qe2 h5 13.Nf3 Nf5 14.Bf2 Bf8 15.g3 Be7 16.
Kg2 Qa5 17.Rac1 O-O-O 18.b3 Kb8 19.c4 a3 20.c5 b5 21.cxb6 Qxb6 22.b4 Rc8 
23.Rc3 Rc7 24.Rxa3 Ra7 25.Rxa7 Kxa7 26.Rb1 Rb8 27.Qc2 f6 28.Qe2 Nf8 29.
exf6 Bxf6 30.Ne5 Bxe5 31.Qxe5 Qd8 32.a4 Qe7 33.b5 cxb5 34.axb5 Rb6 35.Qe1 
Kb7 36.Qa5 Nd7 37.Ra1 Kc7 38.Qa8 Rb8 39.Ra7+ Kc8 40.Qc6+ Kd8 41.b6 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.23"]
[Round "4"]
[White "Sigurjonsson, Gudmundur"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "B21"]
[EventDate "1970.06.20"]
[PlyCount "31"]

1.e4 c5 2.f4 Nf6 3.d3 d5 4.e5 Nfd7 5.Nf3 Nc6 6.g3 e6 7.Bg2 Be7 8.O-O O-O 
9.c4 Nb6 10.Na3 Bd7 11.Be3 Nb4 12.Qe2 Bc6 13.Rfc1 Rc8 14.Nc2 a5 15.Nxb4 
axb4 16.a3 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.23"]
[Round "4"]
[White "Cuellar Gacharna, Miguel"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[ECO "A04"]
[EventDate "1970.06.20"]
[Source "ChessBase Megabase 2021"]
[PlyCount "86"]

1.Nf3 f5 2.g3 Nf6 3.Bg2 d6 4.d4 g6 5.b3 Bg7 6.Bb2 O-O 7.O-O c6 8.c4 Na6 9.
Nc3 Qc7 10.d5 e5 11.dxe6 Nc5 12.Nd4 Nxe6 13.e3 Nc5 14.Qc2 a5 15.Rad1 Bd7 
16.Rd2 Rae8 17.Rdd1 Bc8 18.Ba3 Nfe4 19.Nde2 Qe7 20.Nd4 h5 21.Bc1 Na6 22.a3
Nxc3 23.Qxc3 c5 24.Qxa5 cxd4 25.exd4 Qd8 26.Qd5+ Kh7 27.Bf4 Re6 28.b4 g5 
29.Bc1 Nc7 30.Qa5 f4 31.Bf3 d5 32.cxd5 Rd6 33.gxf4 g4 34.Bg2 Nxd5 35.Qc5 
b6 36.Qb5 Bf5 37.Qc4 Bg6 38.f3 Nxf4 39.Bxf4 Rxf4 40.fxg4 Rxg4 41.Rd2 Rdxd4
42.Rxd4 Bxd4+ 43.Kh1 Rxg2 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.25"]
[Round "5"]
[White "Ivkov, Borislav"]
[Black "Sigurjonsson, Gudmundur"]
[Result "1/2-1/2"]
[ECO "A49"]
[EventDate "1970.06.20"]
[PlyCount "62"]

1.Nf3 g6 2.d4 Nf6 3.g3 Bg7 4.Bg2 O-O 5.O-O c6 6.b3 a5 7.Bb2 d5 8.Nbd2 Nbd7
9.c4 b5 10.Rc1 e6 11.Qc2 Ba6 12.Rfd1 Qb6 13.c5 Qd8 14.Bh3 b4 15.Re1 Ne8 
16.Ra1 f5 17.a3 Nc7 18.axb4 axb4 19.Ne5 Nxe5 20.dxe5 g5 21.Bf1 g4 22.Ra4 
Bb5 23.Rxb4 Qe7 24.Rc1 Ra2 25.Qb1 Rfa8 26.f4 gxf3 27.exf3 Bxf1 28.Nxf1 Nb5
29.Rc2 Bf8 30.Rh4 d4 31.b4 Qg7 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.25"]
[Round "5"]
[White "Karpov, Anatoly"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1970.06.20"]
[PlyCount "99"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.f4 d6 7.Nf3 Nge7 8.O-O O-O 
9.Rb1 Rb8 10.a3 b5 11.Bd2 a6 12.b4 cxb4 13.axb4 Bb7 14.Qe1 Nd4 15.Nxd4 
Bxd4+ 16.Kh1 Bg7 17.Nd1 Rc8 18.Rc1 Qd7 19.Bc3 Bxc3 20.Nxc3 Rc7 21.Nd1 f5 
22.Rf2 d5 23.Re2 Nc6 24.exd5 exd5 25.Qc3 Qd6 26.Rb1 d4 27.Qb3+ Kg7 28.Nf2 
Rff7 29.Re6 Qd7 30.Rbe1 Nd8 31.R6e2 Bxg2+ 32.Kxg2 Qd6 33.Nh3 Rfe7 34.Ng1 
Rxe2+ 35.Rxe2 Nf7 36.Nf3 Rc3 37.Qb1 Qd5 38.Qg1 Qc6 39.Qxd4+ Kh6 40.Qf2 g5 
41.Kg1 Ra3 42.Re1 gxf4 43.Nd4 Qc7 44.gxf4 Qd8 45.Nxf5+ Kg6 46.Qc5 Qf6 47.
Nd4 Kg7 48.Kh1 h6 49.Rg1+ Kh7 50.Qf8 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.25"]
[Round "5"]
[White "Stein, Leonid"]
[Black "Addison, William"]
[Result "0-1"]
[ECO "D16"]
[EventDate "1970.06.20"]
[PlyCount "100"]

1.Nf3 Nf6 2.c4 c6 3.d4 d5 4.Nc3 dxc4 5.a4 Na6 6.e4 Bg4 7.Bxc4 e6 8.Be3 Nb4
9.O-O Be7 10.Rc1 O-O 11.h3 Bh5 12.g4 Bg6 13.Ne5 Rc8 14.Qf3 c5 15.Rfd1 cxd4
16.Bxd4 Qa5 17.Bf1 Nc6 18.Nxc6 bxc6 19.Be3 Bb4 20.g5 Bxc3 21.bxc3 Nxe4 22.
h4 Rcd8 23.Rxd8 Rxd8 24.Rd1 Rxd1 25.Qxd1 h5 26.gxh6 gxh6 27.Qd4 Qh5 28.Bg2
c5 29.Qd7 Nxc3 30.Qc8+ Kh7 31.Qxc5 Qd1+ 32.Kh2 Ne2 33.f4 Qd8 34.Bf2 Nxf4 
35.Qxa7 Nxg2 36.Kxg2 Qd5+ 37.Kg1 Qd1+ 38.Kh2 Qf3 39.Qe3 Qxe3 40.Bxe3 e5 
41.Kg3 h5 42.Bc5 Be4 43.Kf2 Kg6 44.a5 Bb7 45.Bd6 Kf5 46.Ke3 Ba6 47.Kd2 Ke4
48.Bc7 f5 49.Bd6 f4 50.Bc7 Kf5 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.25"]
[Round "5"]
[White "Caro, Alberto"]
[Black "Barcza, Gedeon"]
[Result "0-1"]
[ECO "A20"]
[EventDate "1970.06.20"]
[PlyCount "80"]

1.c4 e5 2.b3 c5 3.Bb2 Nc6 4.Nc3 f5 5.g3 Nf6 6.Bg2 Be7 7.Nd5 d6 8.Nxe7 Qxe7
9.Nh3 Be6 10.e3 d5 11.O-O Rd8 12.Qe2 h6 13.d4 cxd4 14.exd4 e4 15.Nf4 Bf7 
16.Nxd5 Nxd5 17.cxd5 Bxd5 18.Qh5+ Qf7 19.Qxf7+ Kxf7 20.Rfd1 Rc8 21.Ba3 
Rhd8 22.Rd2 Ne7 23.Rc1 Rxc1+ 24.Bxc1 Rc8 25.Ba3 Rc6 26.Bf1 f4 27.Bb5 Rb6 
28.Bf1 f3 29.Rd1 Rc6 30.Rc1 Rxc1 31.Bxc1 Nc6 32.Bb2 Nb4 33.a3 Nc2 34.Bc4 
Ke6 35.h4 h5 36.Kf1 e3 37.fxe3 Nxe3+ 38.Kg1 Bxc4 39.bxc4 f2+ 40.Kxf2 Nd1+ 
0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.25"]
[Round "5"]
[White "Ciocaltea, Victor"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "C97"]
[EventDate "1970.06.20"]
[PlyCount "130"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.Re1 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.a3 c4 13.Nbd2 Re8 14.Nf1 Bf8 15.Bg5 Nd7 
16.Ng3 Nc6 17.Qd2 Nd8 18.Rad1 Ne6 19.Be3 f6 20.Nf5 Nb6 21.Nh2 Bb7 22.Ng4 
Rad8 23.d5 Nc5 24.f4 Bc8 25.Ng3 exf4 26.Bxf4 Bxg4 27.hxg4 g6 28.Rf1 Bg7 
29.Be3 Nbd7 30.Bd4 Ne5 31.g5 Ncd7 32.Ne2 Qc8 33.Nf4 fxg5 34.Ne6 h6 35.a4 
Rf8 36.axb5 axb5 37.Rxf8+ Rxf8 38.Nxf8 Nxf8 39.Ra1 Nfd7 40.Ra5 Qb8 41.Qd1 
Kh7 42.Qa1 Qf8 43.Qf1 Qb8 44.b4 g4 45.Qf2 h5 46.Ra7 Kg8 47.Kf1 Bh6 48.Ke2 
Qd8 49.Ra5 h4 50.Be3 g3 51.Qg1 Bg7 52.Rxb5 h3 53.gxh3 Qh4 54.Qg2 Qh5+ 55.
Kf1 Nd3 56.Qxg3 Bxc3 57.Qg4 Qxg4 58.hxg4 Nxb4 59.Ba4 Nd3 60.Rb7 N7c5 61.
Rb8+ Kg7 62.Bb5 Nxe4 63.g5 Ng3+ 64.Kg2 Nf5 65.Bg1 Ne5 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.25"]
[Round "5"]
[White "Kavalek, Lubomir"]
[Black "Benko, Pal"]
[Result "1-0"]
[ECO "B33"]
[EventDate "1970.06.20"]
[PlyCount "85"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
Be6 9.Nc4 Nd4 10.Ne3 Be7 11.Bxf6 Bxf6 12.Ncd5 Bg5 13.c3 Bxe3 14.Nxe3 Nc6 
15.Bc4 O-O 16.O-O Qc7 17.Qd3 Ne7 18.Rfd1 Rad8 19.a4 Qc6 20.a5 Rd7 21.Ra3 
Rc8 22.Bb3 Qc7 23.Bd5 Bxd5 24.Nxd5 Nxd5 25.Qxd5 Qc4 26.f3 Qxd5 27.Rxd5 Kf8
28.Kf2 Ke7 29.Ke2 Ke6 30.Kd3 f5 31.c4 fxe4+ 32.fxe4 Rdc7 33.Rc3 Rc6 34.b4 
b6 35.axb6 Rxb6 36.c5 dxc5 37.bxc5 Rbc6 38.Kc4 Rb8 39.Rcd3 Rbc8 40.Rg3 a5 
41.Rxg7 Rb8 42.Rxh7 Rb4+ 43.Kd3 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.25"]
[Round "5"]
[White "Panno, Oscar"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1-0"]
[ECO "A14"]
[EventDate "1970.06.20"]
[PlyCount "115"]

1.g3 Nf6 2.Bg2 d5 3.Nf3 e6 4.O-O Be7 5.c4 O-O 6.b3 Nbd7 7.Bb2 c6 8.d3 b5 
9.Nbd2 Qb6 10.Qc2 a5 11.Rab1 Ba6 12.e4 Rfc8 13.e5 Ne8 14.Rfe1 a4 15.bxa4 
bxc4 16.dxc4 Qd8 17.Bc3 g6 18.Nd4 Nc5 19.a5 Qd7 20.Red1 Ng7 21.g4 Qe8 22.
h3 Nd7 23.Re1 Bg5 24.N4b3 Qe7 25.c5 Rab8 26.a3 Bf4 27.Nf3 Bc4 28.Nbd2 Rxb1
29.Rxb1 Ba6 30.Qa4 Bxd2 31.Bxd2 Nxc5 32.Qd4 Ne4 33.Rb6 c5 34.Qe3 Ra8 35.
Qh6 f6 36.Bf4 f5 37.Ng5 Nxg5 38.Bxg5 Qd7 39.Rd6 Qf7 40.Qh4 Bc4 41.Rc6 f4 
42.Bh6 Ne8 43.Rxc5 f3 44.Bf1 Bxf1 45.Kxf1 Qb7 46.Kg1 d4 47.Qg5 d3 48.Qf4 
Ng7 49.Rc1 Rd8 50.Kh2 Qa7 51.Kg3 Rf8 52.Qb4 g5 53.Qb6 Qf7 54.Bxg5 Qg6 55.
Bd2 h5 56.Rc4 Nf5+ 57.Kh2 Nh6 58.Qe3 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.25"]
[Round "5"]
[White "Villarroel, Geber"]
[Black "Sljussar, Anatoly"]
[Result "1-0"]
[ECO "C13"]
[EventDate "1970.06.20"]
[PlyCount "59"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 a6 7.Qg4 f5 8.Qf4 c5 9.
dxc5 Nc6 10.O-O-O Ndxe5 11.Bxe7 Qxe7 12.Re1 Ng6 13.Qd2 Qxc5 14.Nxd5 Nd4 
15.h5 Ne7 16.Nf4 Nec6 17.Nge2 Kf7 18.Nxd4 Nxd4 19.Nd3 Qb6 20.Ne5+ Kf6 21.
f3 Ke7 22.Qg5+ Ke8 23.Nc4 Qa7 24.Rd1 Nc6 25.Nd6+ Kf8 26.h6 Rg8 27.hxg7+ 
Rxg7 28.Qf6+ Kg8 29.Nxf5 exf5 30.Bc4+ 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.25"]
[Round "5"]
[White "Yepez Obando, Olavo"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "E58"]
[EventDate "1970.06.20"]
[PlyCount "39"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O Nc6 8.a3 Bxc3 
9.bxc3 Qc7 10.cxd5 exd5 11.Bb2 Bg4 12.Qe1 Bh5 13.Nh4 Ng4 14.g3 Bg6 15.Nxg6
hxg6 16.f3 Nf6 17.Qf2 Rad8 18.Rad1 Rfe8 19.Rfe1 Qb6 20.Kg2 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.26"]
[Round "6"]
[White "Bisguier, Arthur Bernard"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "B52"]
[EventDate "1970.06.20"]
[PlyCount "49"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 Nc6 6.O-O g6 7.d4 cxd4 8.
Nxd4 Bg7 9.Be3 Ne5 10.b3 Nh6 11.f3 f5 12.Nc3 fxe4 13.Nxe4 Nf5 14.Nxf5 gxf5
15.Ng3 h5 16.Qc2 e6 17.Ne2 h4 18.h3 b5 19.f4 Nc6 20.Rad1 bxc4 21.bxc4 Rd8 
22.Nd4 Nxd4 23.Bxd4 Rb8 24.Rfe1 Kf7 25.Kh1 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.26"]
[Round "6"]
[White "Ivkov, Borislav"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A42"]
[EventDate "1970.06.20"]
[PlyCount "34"]

1.c4 g6 2.d4 Bg7 3.e4 d6 4.Nc3 e5 5.d5 Nd7 6.Be3 Bh6 7.Bxh6 Nxh6 8.Qd2 Ng4
9.h3 Ngf6 10.Bd3 a6 11.Nge2 Qe7 12.a3 c6 13.b4 cxd5 14.cxd5 O-O 15.Ng3 Nb6
16.O-O Bd7 17.Qe3 Na4 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.26"]
[Round "6"]
[White "Benko, Pal"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]
[ECO "E17"]
[EventDate "1970.06.20"]
[PlyCount "25"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 Ne4 7.Bd2 d5 8.Ne5 O-O 
9.cxd5 Nxc3 10.Bxc3 exd5 11.Qa4 Qd6 12.O-O Rd8 13.Rad1 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.26"]
[Round "6"]
[White "O'Kelly de Galway, Alberic"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1970.06.20"]
[PlyCount "80"]

1.c4 e5 2.Nc3 d6 3.g3 Nf6 4.Bg2 g6 5.Nf3 Bg7 6.d4 Nbd7 7.e4 O-O 8.O-O c6 
9.h3 Qb6 10.d5 Nc5 11.Re1 Bd7 12.Rb1 a5 13.Bf1 Qc7 14.a4 Na6 15.Be3 c5 16.
Kh2 Rae8 17.Rc1 Nb4 18.b3 Kh8 19.Qd2 Ng8 20.Ng1 f5 21.exf5 gxf5 22.f4 e4 
23.Nd1 Nf6 24.Nf2 Re7 25.Ne2 h5 26.Nc3 h4 27.gxh4 Nh7 28.Be2 Bf6 29.h5 Rg8
30.Rg1 Reg7 31.Rxg7 Rxg7 32.Rg1 Rxg1 33.Kxg1 Be8 34.Kh2 Qg7 35.Ncd1 Bh4 
36.Nh1 Nf6 37.Nc3 Nxh5 38.Bxh5 Bxh5 39.Nb5 Nd3 40.Bf2 Nxf2 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.26"]
[Round "6"]
[White "Cuellar Gacharna, Miguel"]
[Black "Villarroel, Geber"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1970.06.20"]
[PlyCount "160"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.c4 e6 5.O-O Be7 6.d4 O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 c5 10.Be3 d6 11.Rfd1 Bf6 12.Qc2 Qe7 13.d5 e5 14.h4 Bc8 15.Kh2 
g6 16.Bg5 Bg4 17.Bh6 Bg7 18.Bxg7 Kxg7 19.a4 a5 20.Ng1 Bd7 21.e3 Na6 22.b3 
f5 23.f4 Rae8 24.Qc3 Qf6 25.Qd2 h6 26.Nf3 Nb4 27.fxe5 dxe5 28.Qc3 e4 29.
Qxf6+ Kxf6 30.Ne1 g5 31.Rd2 Ke5 32.Bh3 Kd6 33.Rad1 Re7 34.Rf2 Ref7 35.Rdd2
Rf6 36.Rf1 Be8 37.Bg2 Ke5 38.Nc2 Nd3 39.Ne1 Nb4 40.Nc2 Nd3 41.Ne1 Nb4 42.
Nc2 Nxc2 43.Rxc2 f4 44.Re1 fxg3+ 45.Kxg3 gxh4+ 46.Kxh4 Bd7 47.Bh3 Bxh3 48.
Kxh3 Rf3+ 49.Kh2 R8f5 50.Kg1 h5 51.Rg2 Kf6 52.Rg8 Ke7 53.Rg2 Kf6 54.Ree2 
Rf1+ 55.Kh2 Kf7 56.Rd2 Ke7 57.Rg6 Rf6 58.Rg7+ Rf7 59.Rg5 Kd6 60.Rg6+ R7f6 
61.Rdg2 Rf3 62.R2g3 Rxg6 63.Rxg6+ Kc7 64.Rg3 h4 65.Rh3 Rf2+ 66.Kg1 Rb2 67.
Rxh4 Rxb3 68.Rxe4 Rb4 69.Kf2 Rxa4 70.Kf3 Ra1 71.Re7+ Kd6 72.Re6+ Kc7 73.
Ke4 a4 74.Ke5 a3 75.d6+ Kc6 76.Re7 b5 77.cxb5+ Kxb5 78.Ra7 Kb4 79.Rb7+ Kc3
80.Rb5 Kc4 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.26"]
[Round "6"]
[White "Parma, Bruno"]
[Black "Caro, Alberto"]
[Result "1-0"]
[ECO "C85"]
[EventDate "1970.06.20"]
[PlyCount "85"]

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 f6 10.Nh4 Nc5 11.Nf5 Kh8 12.Be3 Be6 13.Nd2 Qd7 14.Nxe7 Qxe7 15.
f4 exf4 16.Rxf4 Bg8 17.Qh5 Ne6 18.Rf2 Rad8 19.Nf3 c5 20.Raf1 Nd4 21.Nh4 
Bf7 22.Qg4 Rfe8 23.Qg3 Bg8 24.b3 b6 25.Kh1 Qd7 26.Bc1 Nxc2 27.Rxc2 Qxd3 
28.Qxd3 Rxd3 29.Re2 Bd5 30.Kg1 Rd4 31.Nf5 Rdxe4 32.Rxe4 Rxe4 33.Rd1 c6 34.
Ne3 h6 35.Kf2 Bg8 36.Rd6 Re6 37.Rd8 a5 38.Nc4 a4 39.Nxb6 axb3 40.axb3 Kh7 
41.Nd7 Re4 42.Nxc5 Rh4 43.Kg3 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.26"]
[Round "6"]
[White "Sigurjonsson, Gudmundur"]
[Black "Addison, William"]
[Result "1-0"]
[ECO "B10"]
[EventDate "1970.06.20"]
[PlyCount "127"]

1.e4 c6 2.c4 d5 3.exd5 cxd5 4.cxd5 Nf6 5.Nc3 Nxd5 6.Bc4 Nb4 7.Nf3 Bf5 8.
O-O Bd3 9.Qb3 Bxc4 10.Qxc4 N8c6 11.d4 e6 12.Bg5 Qd7 13.Rae1 Na5 14.Qe2 
Nac6 15.Qe4 Be7 16.Bxe7 Nxe7 17.Ne5 Qc8 18.Nb5 O-O 19.Nd6 Qc7 20.Nexf7 
Rxf7 21.Nxf7 Kxf7 22.Qxe6+ Kf8 23.Re3 Nbd5 24.Rf3+ Nf6 25.Re1 Re8 26.Rxf6+
gxf6 27.Qxf6+ Kg8 28.Qe6+ Kf8 29.d5 Qc8 30.Qf6+ Kg8 31.Qe5 Kf7 32.d6 Nf5 
33.Qd5+ Kf6 34.Rd1 Qe6 35.Qd2 h5 36.h4 Nxh4 37.Qh6+ Ng6 38.Qxh5 Nf4 39.Qf3
Kg5 40.d7 Rd8 41.g3 Nh3+ 42.Kg2 Rxd7 43.Rxd7 Qxd7 44.Qe4 Kf6 45.f4 Qg4 46.
Kh2 b6 47.a3 Kg7 48.Qg2 Ng5 49.fxg5 Qh5+ 50.Kg1 Qxg5 51.Qb7+ Kf6 52.Qc6+ 
Ke7 53.Qc3 Kd7 54.Kf2 Qf5+ 55.Ke2 Qe4+ 56.Kd2 Qg2+ 57.Kc1 Qg1+ 58.Kc2 a5 
59.Qd3+ Kc6 60.Qc4+ Kb7 61.g4 Qg2+ 62.Kb1 Qg1+ 63.Ka2 Ka7 64.Qg8 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.26"]
[Round "6"]
[White "Sljussar, Anatoly"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "B28"]
[EventDate "1970.06.20"]
[PlyCount "54"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bc4 Nf6 6.Nd2 Qc7 7.Bd3 Bc5 8.N2f3 
d6 9.O-O Nbd7 10.c3 O-O 11.Qe2 b5 12.Bd2 Bb7 13.Rae1 e5 14.Nf5 Rfe8 15.Ng3
d5 16.Bg5 h6 17.Bxf6 Nxf6 18.exd5 e4 19.Nxe4 Nxe4 20.Bxe4 f5 21.Qd3 fxe4 
22.Rxe4 Rxe4 23.Qxe4 Qf7 24.Rd1 Rd8 25.c4 bxc4 26.Qxc4 Rxd5 27.Re1 Bxf2+ 
0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.26"]
[Round "6"]
[White "Barcza, Gedeon"]
[Black "Ciocaltea, Victor"]
[Result "1-0"]
[EventDate "1970.06.20"]
[PlyCount "0"]

1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.27"]
[Round "7"]
[White "Kavalek, Lubomir"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "C93"]
[EventDate "1970.06.20"]
[PlyCount "112"]

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 Bb7 13.Ng3 Na5 14.Bc2 Nc4 15.b3 Nb6 
16.a4 d5 17.Nxe5 dxe4 18.Ng4 Nbd7 19.c4 Nxg4 20.hxg4 Bb4 21.Re3 Nf6 22.
axb5 axb5 23.Rxa8 Bxa8 24.d5 Bc5 25.Re1 Bb4 26.Bd2 Bxd2 27.Qxd2 Nxg4 28.
Qf4 Nf6 29.Nxe4 Nxe4 30.Rxe4 Rxe4 31.Bxe4 bxc4 32.bxc4 Bb7 33.g3 Qd6 34.
Qxd6 cxd6 35.c5 Kf8 36.c6 Bc8 37.f4 Ke7 38.Kf2 Kd8 39.Ke3 Kc7 40.f5 Kd8 
41.f6 gxf6 42.Kf4 Ba6 43.Kf3 Bc4 44.Ke3 Bb3 45.Kd2 Bc4 46.Bf3 Bf1 47.Ke3 
f5 48.Bh5 f6 49.Bg6 Bg2 50.Kd4 Be4 51.Bf7 Kc7 52.Ke3 Kd8 53.Kf4 Kc7 54.Be6
Kd8 55.Ke3 Kc7 56.Kf4 Kd8 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.27"]
[Round "7"]
[White "Karpov, Anatoly"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1-0"]
[ECO "C95"]
[EventDate "1970.06.20"]
[PlyCount "81"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.Nf1 Bf8 14.Ng3 g6 15.a4 Bg7 
16.Bd3 d5 17.Bg5 dxe4 18.Bxe4 Bxe4 19.Nxe4 exd4 20.Nxd4 c5 21.Bxf6 Nxf6 
22.Nxc5 Rxe1+ 23.Qxe1 b4 24.Rc1 bxc3 25.bxc3 Qd5 26.Ndb3 Bf8 27.Qd1 Qxd1+ 
28.Rxd1 Rc8 29.Nxa6 Rxc3 30.Rb1 Bd6 31.Rd1 Bf8 32.Rb1 Nd7 33.a5 Rc6 34.Rd1
Ne5 35.Rd5 Nc4 36.Nb8 Rc8 37.Nd7 Be7 38.Nb6 Rc6 39.Nxc4 Rxc4 40.a6 Ra4 41.
Ra5 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.27"]
[Round "7"]
[White "Addison, William"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "D61"]
[EventDate "1970.06.20"]
[PlyCount "119"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Qc2 h6 8.Bh4 c5 
9.cxd5 Nxd5 10.Bxe7 Qxe7 11.Nxd5 exd5 12.dxc5 Nxc5 13.Be2 Be6 14.O-O Rac8 
15.Nd4 Ne4 16.Qa4 a6 17.Rfc1 Rc7 18.a3 Rfc8 19.Qd1 Kf8 20.h3 Rxc1 21.Rxc1 
Rxc1 22.Qxc1 Qc5 23.Qd1 Qb6 24.Qc2 Qc5 25.Qb1 Bd7 26.Bd3 Nd6 27.g4 Bb5 28.
Bc2 Nc4 29.Qc1 Ne5 30.Qd1 Bd7 31.Kg2 Bb5 32.Qd2 Qc4 33.f3 Bd7 34.Bb3 Qc5 
35.Nc2 Bc6 36.Nd4 Bd7 37.Kf2 Bc6 38.h4 g6 39.Kg3 Qd6 40.Kg2 Qf6 41.Qc3 Kg8
42.Kg3 Qe7 43.Ba2 Qd6 44.Kh3 h5 45.g5 Bd7+ 46.Kg2 Nc6 47.Nxc6 bxc6 48.Qf6 
Be6 49.Bb1 Kh7 50.b4 Qd7 51.Bd3 Qc8 52.Kg3 Qc7+ 53.Qf4 Qc8 54.Qd6 Bf5 55.
Be2 Kg8 56.Kg2 Bc2 57.Qc5 Ba4 58.Bd3 Bb5 59.Bc2 Qe6 60.Qd4 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.27"]
[Round "7"]
[White "Caro, Alberto"]
[Black "Sljussar, Anatoly"]
[Result "1-0"]
[ECO "D52"]
[EventDate "1970.06.20"]
[PlyCount "89"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.Nf3 c6 6.e3 Qa5 7.Nd2 Be7 8.Bd3 O-O
9.Qc2 Re8 10.f4 h6 11.Bxf6 Nxf6 12.O-O Bd7 13.Rae1 Rac8 14.c5 Qc7 15.Na4 
Rf8 16.Qd1 Ne8 17.Bb1 f5 18.Nf3 Nf6 19.Ne5 Be8 20.h3 Ne4 21.Bxe4 dxe4 22.
Qb3 Bf7 23.g4 Bf6 24.Nc4 Be7 25.Ne5 Bf6 26.Rd1 g6 27.Kh1 Kh7 28.Rg1 Rg8 
29.Nc4 Be7 30.Ne5 Bf6 31.Nc4 Be7 32.Rg2 Rb8 33.Rdg1 Rbd8 34.Nc3 h5 35.g5 
Rb8 36.Ne5 Kg7 37.Qa4 Ra8 38.Rb1 Rgc8 39.b4 b5 40.Qa6 Rcb8 41.a4 Qb7 42.
Qxb7 Rxb7 43.axb5 cxb5 44.Ra1 Be8 45.Ra6 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.27"]
[Round "7"]
[White "Ciocaltea, Victor"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "C55"]
[EventDate "1970.06.20"]
[PlyCount "23"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.Nc3 d6 6.h3 O-O 7.Be3 Na5 8.Bb3 
Nxb3 9.axb3 b6 10.d4 Bb7 11.d5 c6 12.Qd3 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.27"]
[Round "7"]
[White "Panno, Oscar"]
[Black "Sigurjonsson, Gudmundur"]
[Result "1-0"]
[ECO "E75"]
[EventDate "1970.06.20"]
[PlyCount "149"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 d6 5.e4 Bg7 6.Be2 O-O 7.Bg5 a6 8.a4 Qa5 9.
Bd2 e6 10.Nf3 exd5 11.cxd5 Re8 12.O-O Qc7 13.Qc2 Bg4 14.h3 Bxf3 15.Bxf3 
Nbd7 16.a5 Re7 17.Ra4 Rae8 18.Rfa1 c4 19.g3 Ne5 20.Be2 Nfd7 21.Bg5 f6 22.
Be3 Nc5 23.Rb4 Ncd3 24.Rba4 f5 25.exf5 gxf5 26.Kh2 Qc8 27.Rg1 Kh8 28.Nd1 
Nc5 29.Ra3 Ned3 30.Bh5 Rf8 31.Qxc4 Re4 32.Qc2 f4 33.gxf4 Nxf4 34.Bxc5 Nxh5
35.Qxe4 Qxc5 36.Rf3 Rg8 37.Kh1 Nf6 38.Qe6 Nxd5 39.Rxg7 Kxg7 40.Qd7+ Kh8 
41.Rg3 Rxg3 42.fxg3 Qd4 43.Qc8+ Kg7 44.Qxb7+ Kf6 45.Qb3 Qe4+ 46.Kg1 Qd4+ 
47.Kf1 Qd2 48.Qf3+ Kg7 49.h4 Qxa5 50.Qg4+ Kf7 51.Qf5+ Kg7 52.Qd7+ Kg8 53.
Qxd6 Qb5+ 54.Kf2 Qd3 55.Qe6+ Kf8 56.Qe2 Qd4+ 57.Ke1 Qb4+ 58.Kf1 Qd6 59.
Qf3+ Kg7 60.Nf2 Qe5 61.Ng4 Qd4 62.h5 a5 63.Qe2 Kf8 64.Kg2 a4 65.Kh3 Qg7 
66.Qf2+ Qf7 67.Qc5+ Ne7 68.Ne3 Qe6+ 69.Kg2 Qe4+ 70.Kf2 Qe6 71.g4 Qf6+ 72.
Nf5 Kf7 73.Qxe7+ Qxe7 74.Nxe7 Kxe7 75.g5 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.27"]
[Round "7"]
[White "Stein, Leonid"]
[Black "Barcza, Gedeon"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1970.06.20"]
[PlyCount "79"]

1.e4 c6 2.d3 d5 3.Nd2 g6 4.g3 Bg7 5.Bg2 e5 6.Ngf3 Nh6 7.O-O O-O 8.b4 f6 9.
Nb3 dxe4 10.dxe4 Qxd1 11.Rxd1 b6 12.Bf1 Nf7 13.Be3 Bg4 14.Kg2 Nd7 15.h3 
Be6 16.Nbd4 exd4 17.Nxd4 f5 18.Nxe6 Bxa1 19.Nxf8 Nxf8 20.Rxa1 fxe4 21.a4 
Ne5 22.Bd4 Nfd7 23.Re1 c5 24.Bxe5 Nxe5 25.Rxe4 Nd7 26.Re7 Nf6 27.Bc4+ Kh8 
28.bxc5 Rc8 29.cxb6 axb6 30.Bb3 Rc6 31.Re6 Rxe6 32.Bxe6 Kg7 33.Kf3 Ne8 34.
Ke4 Kf6 35.Bc4 Nc7 36.f4 h6 37.g4 g5 38.f5 Ke7 39.Ke5 Ne8 40.Kd5 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.27"]
[Round "7"]
[White "Villarroel, Geber"]
[Black "Benko, Pal"]
[Result "0-1"]
[ECO "A58"]
[EventDate "1970.06.20"]
[PlyCount "80"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.g3 g6 8.Bg2 Bg7 
9.Nf3 O-O 10.O-O Nbd7 11.Re1 Qa5 12.Rb1 Rfb8 13.Bd2 Qd8 14.b3 Ne8 15.Qc2 
Ra7 16.h4 Nef6 17.Rbd1 Qc7 18.Bf4 h5 19.Rc1 Rab7 20.Red1 Qa5 21.Na4 Qd8 
22.Nb2 Ra7 23.Bf1 Ng4 24.e3 Bxf1 25.Kxf1 Rxa2 26.Rb1 Ndf6 27.Qc1 Qd7 28.
Kg2 Qb5 29.Nc4 Rxf2+ 30.Kg1 Ra2 31.Nfd2 Nxd5 32.Ne4 Ndf6 33.Ng5 Qc6 34.Rd2
Rba8 35.Qe1 Ne4 36.Nxe4 Qxe4 37.Rbd1 Qb7 38.e4 Qxb3 39.Qe2 Bd4+ 40.Kg2 
R8a3 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.27"]
[Round "7"]
[White "Yepez Obando, Olavo"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "B56"]
[EventDate "1970.06.20"]
[PlyCount "92"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Bd7 7.Bb3 Nxd4 8.
Qxd4 g6 9.Bg5 Bg7 10.f3 O-O 11.Qd2 b5 12.a4 bxa4 13.Nxa4 Be6 14.Bxe6 fxe6 
15.O-O Qc7 16.Rf2 Nh5 17.Bh6 Rab8 18.Bxg7 Kxg7 19.b3 Nf4 20.Qe3 Rb5 21.Rd2
e5 22.g3 Ne6 23.Nc3 Ra5 24.Rf1 Rf7 25.Kg2 Qc8 26.Nd5 Ra2 27.c3 Ra3 28.f4 
Qc5 29.Qe2 exf4 30.gxf4 Rxb3 31.f5 Nf8 32.Nxe7 Qxc3 33.Nd5 Qe5 34.f6+ Kh8 
35.Rc2 h6 36.Qc4 Rfb7 37.Ne7 d5 38.Qxd5 Qxd5 39.exd5 Rb2 40.Rff2 Rxc2 41.
Rxc2 Rb6 42.Rc6 Kh7 43.Rc7 Rxf6 44.Rxa7 Rd6 45.Kf3 Rd7 46.Rxd7 Nxd7 
1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.29"]
[Round "8"]
[White "Ivkov, Borislav"]
[Black "Karpov, Anatoly"]
[Result "1-0"]
[ECO "D58"]
[EventDate "1970.06.20"]
[PlyCount "57"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 d5 4.d4 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.Bd3 Bb7 
9.O-O c5 10.Qe2 cxd4 11.exd4 Nc6 12.Rad1 Nb4 13.Bb1 dxc4 14.Ne5 Rc8 15.a3 
Nbd5 16.Bxf6 Bxf6 17.Qc2 Re8 18.Qh7+ Kf8 19.Ne4 Rc7 20.Rfe1 c3 21.Ng3 Ne7 
22.Qh8+ Ng8 23.Bh7 Bxe5 24.Nf5 exf5 25.Qxg8+ Ke7 26.Rxe5+ Kf6 27.Rxf5+ Ke6
28.Re1+ Kd7 29.Rxe8 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.29"]
[Round "8"]
[White "Barcza, Gedeon"]
[Black "Addison, William"]
[Result "1-0"]
[ECO "A04"]
[EventDate "1970.06.20"]
[PlyCount "103"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.b3 Bf5 5.Bb2 h6 6.d3 e6 7.O-O Be7 8.e3 O-O 9.
Qe2 Bh7 10.Nbd2 a5 11.a3 b5 12.Ne5 Nbd7 13.f4 Nxe5 14.fxe5 Nd7 15.Nf3 b4 
16.axb4 axb4 17.Rxa8 Qxa8 18.Ra1 Qb7 19.Qe1 Ra8 20.Rxa8+ Qxa8 21.Qa1 Qxa1+
22.Bxa1 c5 23.Bf1 c4 24.dxc4 Bxc2 25.Nd4 Bd1 26.cxd5 exd5 27.Be2 Bxe2 28.
Nxe2 Nc5 29.Nc1 Ne4 30.Bd4 Kf8 31.Kf1 Ke8 32.Ke2 Kd7 33.e6+ fxe6 34.Bxg7 
h5 35.Nd3 Nc5 36.Nxc5+ Bxc5 37.Kd3 Ke7 38.Be5 Kf7 39.h3 Kg6 40.e4 dxe4+ 
41.Kxe4 Bf2 42.Bc7 Be1 43.Kf4 Bd2+ 44.Ke5 Kf7 45.Bd8 Be1 46.Kf4 Bd2+ 47.
Kf3 Kg6 48.g4 Be1 49.gxh5+ Kf5 50.Be7 Bd2 51.Bf8 e5 52.h6 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.29"]
[Round "8"]
[White "Benko, Pal"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "A56"]
[EventDate "1970.06.20"]
[PlyCount "65"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 d6 5.g3 Bg7 6.Bg2 O-O 7.Nf3 Na6 8.O-O Nc7 
9.a4 a6 10.Bf4 Rb8 11.a5 b5 12.axb6 Rxb6 13.Ra2 Nh5 14.Bd2 e5 15.Na4 Rb8 
16.Ba5 Qe7 17.e4 f5 18.Nxc5 Ne8 19.Na4 f4 20.Nb6 Bg4 21.Ra3 Nhf6 22.Qc2 
fxg3 23.hxg3 Bh6 24.b4 Nd7 25.Nh2 Nxb6 26.Nxg4 Bg5 27.c5 Nc8 28.Nh2 Ra8 
29.Qc4 Qb7 30.Bh3 Nc7 31.Bxc8 Qxc8 32.Nf3 Be7 33.Nxe5 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.29"]
[Round "8"]
[White "Cuellar Gacharna, Miguel"]
[Black "Caro, Alberto"]
[Result "1/2-1/2"]
[ECO "E38"]
[EventDate "1970.06.20"]
[PlyCount "65"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Na6 6.Nf3 Nxc5 7.Bd2 Bxc3 8.
Bxc3 Nce4 9.e3 Nxc3 10.Qxc3 O-O 11.Bd3 b6 12.O-O Bb7 13.Rfd1 Qe7 14.Be2 d5
15.cxd5 Nxd5 16.Qe5 Qf6 17.Qxf6 Nxf6 18.Ne5 Rfd8 19.f3 Kf8 20.e4 Rxd1+ 21.
Rxd1 Rc8 22.b4 Ke7 23.Rd2 Rc7 24.a4 Nd7 25.Nc4 f6 26.Kf2 Ne5 27.Na3 Rd7 
28.Ke3 Bc6 29.Nb5 Bxb5 30.Bxb5 Rc7 31.Rd4 g5 32.Kd2 h5 33.Be2 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.29"]
[Round "8"]
[White "O'Kelly de Galway, Alberic"]
[Black "Villarroel, Geber"]
[Result "1-0"]
[ECO "E62"]
[EventDate "1970.06.20"]
[PlyCount "67"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d6 5.d4 O-O 6.Nc3 Nc6 7.d5 Na5 8.b3 c5 9.
Bb2 a6 10.Nd2 Bd7 11.Qc2 b5 12.O-O Rb8 13.Rab1 Qc8 14.Nce4 Nxe4 15.Bxe4 
Bxb2 16.Rxb2 bxc4 17.bxc4 Rxb2 18.Qxb2 Qc7 19.Rb1 Ra8 20.h4 Ra7 21.Qc3 Rb7
22.Qe3 Rxb1+ 23.Bxb1 Be8 24.h5 Nb7 25.Ne4 Nd8 26.Kg2 Kg7 27.Ng5 f6 28.Nh3 
Nf7 29.hxg6 hxg6 30.Bxg6 Kxg6 31.Nf4+ Kh7 32.Qe4+ Kh8 33.Ne6 Ng5 34.Qh4+ 
1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.29"]
[Round "8"]
[White "Panno, Oscar"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[ECO "E75"]
[EventDate "1970.06.20"]
[PlyCount "44"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 e6 8.Qd2 exd5 
9.exd5 Re8 10.Nf3 Bg4 11.O-O Nbd7 12.h3 Bxf3 13.Bxf3 a6 14.Qc2 Qe7 15.b3 
Qf8 16.Rae1 Rxe1 17.Rxe1 Re8 18.Bd2 Bh6 19.Rxe8 Nxe8 20.Be1 Qe7 21.Kf1 f5 
22.g3 Ne5 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.29"]
[Round "8"]
[White "Parma, Bruno"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "B96"]
[EventDate "1970.06.20"]
[PlyCount "31"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qc7 8.Qf3 
Nbd7 9.O-O-O h6 10.Bh4 Be7 11.Bd3 Rb8 12.Rhe1 g5 13.fxg5 Ne5 14.Qe2 Nfg4 
15.Nf3 Nxf3 16.Qxf3 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.29"]
[Round "8"]
[White "Sigurjonsson, Gudmundur"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "C79"]
[EventDate "1970.06.20"]
[PlyCount "75"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.d4 b5 7.Bb3 Nxd4 8.Nxd4 
exd4 9.Bd5 Nxd5 10.exd5 Be7 11.Qxd4 O-O 12.Nc3 Bf6 13.Qd3 Re8 14.a3 Bxc3 
15.Qxc3 Bb7 16.Rd1 Re5 17.Bf4 Rxd5 18.Rxd5 Bxd5 19.Rd1 Be4 20.Re1 Bf5 21.
Qc6 h6 22.Re3 Rb8 23.Rc3 Qe8 24.Be3 Qxc6 25.Rxc6 Rc8 26.f3 a5 27.Kf2 Kf8 
28.Bd2 Bd7 29.Ra6 a4 30.Ra7 Ke7 31.Ba5 c5 32.Bc3 b4 33.Bd2 Ke6 34.Rb7 g5 
35.Be3 h5 36.Ke2 h4 37.Kf2 Bc6 38.Rb6 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.29"]
[Round "8"]
[White "Sljussar, Anatoly"]
[Black "Ciocaltea, Victor"]
[Result "1/2-1/2"]
[ECO "A56"]
[EventDate "1970.06.20"]
[PlyCount "151"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Be7 6.Bd3 O-O 7.f4 exf4 8.Bxf4 Ng4 
9.Nf3 Nd7 10.Qc2 Nge5 11.Bxe5 Nxe5 12.Nxe5 dxe5 13.O-O-O Bg5+ 14.Kb1 Be3 
15.h3 a6 16.g4 Bd7 17.Rde1 Bd4 18.Ne2 Bf2 19.Ref1 Bh4 20.Nc3 Qa5 21.Nd1 b5
22.Ne3 g6 23.Ng2 Be7 24.Rf2 Rab8 25.Rhf1 Qb4 26.Ne3 Bg5 27.Nd1 Bf4 28.Qc3 
bxc4 29.Bxc4 a5 30.Qxb4 cxb4 31.b3 a4 32.Nb2 axb3 33.Bxb3 Rfc8 34.Nd3 Bb5 
35.Rd1 Bxd3+ 36.Rxd3 Rc1+ 37.Kb2 Re1 38.Rc2 Rxe4 39.d6 Rd8 40.d7 Kf8 41.
Ba4 Bg5 42.Rc8 Be7 43.Rd5 Re2+ 44.Kb1 Kg7 45.Ra5 Rd2 46.Rxe5 Bf6 47.Re8 
R8xd7 48.Bxd7 Rxd7 49.Re3 Rd2 50.Rb3 Be7 51.Rc2 Rd1+ 52.Rc1 Rd2 53.Re1 Bc5
54.Rf1 f6 55.Rc1 Bd6 56.Rc6 g5 57.Rb6 Kg6 58.Rf3 Be7 59.Rb7 Re2 60.Rc7 h5 
61.gxh5+ Kxh5 62.Rc2 Re6 63.Rg2 Ra6 64.Kc1 Bd6 65.Kd1 Be5 66.Rc2 Bc3 67.
Ke2 Ra4 68.Kf2 g4 69.hxg4+ Kxg4 70.Kg2 Kg5 71.Kh3 Kg6 72.Rg2+ Kf7 73.Re2 
Kg6 74.Rg2+ Kf7 75.Re2 Kg6 76.Rg2+ 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.30"]
[Round "9"]
[White "Villarroel, Geber"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "C04"]
[EventDate "1970.06.20"]
[PlyCount "98"]

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.Bb5 a6 7.Bxc6 bxc6 8.O-O 
c5 9.c3 a5 10.Re1 Ba6 11.Nb3 cxd4 12.cxd4 a4 13.Nc5 Bxc5 14.dxc5 Nxc5 15.
b4 axb3 16.axb3 Nd3 17.Re3 Nxc1 18.Rxc1 Bb5 19.Nd4 Bd7 20.Rec3 c6 21.Qg4 
g6 22.h4 h5 23.Qf4 Ra6 24.Nf3 Qb8 25.Qf6 O-O 26.Qg5 Qd8 27.Qh6 Qe7 28.Ng5 
f6 29.Qxg6+ Qg7 30.Qxg7+ Kxg7 31.exf6+ Rxf6 32.Re3 Rb6 33.g3 Rg6 34.f4 Rf6
35.Kh2 Kg6 36.Nf3 Kf7 37.Re5 Rxb3 38.Kg2 Rb2+ 39.Kg1 Rf5 40.Re3 Ke7 41.Nd4
Rf8 42.f5 e5 43.Rxe5+ Kd6 44.Rce1 Rg8 45.R5e3 c5 46.Ne6 d4 47.Ra3 Bxe6 48.
fxe6 Re8 49.Ra7 Re7 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.30"]
[Round "9"]
[White "Karpov, Anatoly"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1970.06.20"]
[PlyCount "95"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 6.c3 d6 7.O-O Nf6 8.Qe2 
Nbd7 9.Kh1 Ne5 10.Bc2 Bd7 11.a4 Rc8 12.Na3 O-O 13.f4 Bxd4 14.cxd4 Nc6 15.
Qd2 d5 16.e5 Ng4 17.Bd1 Qh4 18.h3 Nh6 19.Nc2 Nf5 20.Rf3 Ng3+ 21.Kh2 Ne4 
22.Qe2 f5 23.Bd2 Be8 24.Rd3 Rf7 25.Qe1 Qd8 26.Na3 Rfc7 27.Bf3 Qe7 28.Bd1 
h6 29.Rc1 Qd8 30.Qe3 g5 31.Rc2 Rg7 32.g3 Ne7 33.Rxc8 Qxc8 34.Be1 Ng6 35.
Nb1 Qd8 36.Nd2 gxf4 37.gxf4 Nh4 38.Nxe4 fxe4 39.Bxh4 Qxh4 40.Rd2 Bh5 41.
Bxh5 Qxh5 42.Rg2 Rxg2+ 43.Kxg2 Kf7 44.Qg3 Qe2+ 45.Qf2 Qh5 46.Qg3 a5 47.Qg4
Qg6 48.Kg3 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.30"]
[Round "9"]
[White "Addison, William"]
[Black "Parma, Bruno"]
[Result "0-1"]
[ECO "E54"]
[EventDate "1970.06.20"]
[PlyCount "68"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Nc6 9.a3 Ba5 10.Bd3 cxd4 11.exd4 Bb6 12.Be3 h6 13.Rc1 Ng4 14.Be4 e5 15.
Bxc6 Nxe3 16.fxe3 exd4 17.Nxd4 bxc6 18.Na4 c5 19.Nf5 Qe8 20.Rc3 Bxf5 21.
Rxf5 Rd8 22.Qc2 Ba5 23.Nxc5 Bxc3 24.Qxc3 Rd1+ 25.Rf1 Qd8 26.b4 Qd2 27.Qxd2
Rxd2 28.Rf2 Rfd8 29.a4 Rd1+ 30.Rf1 Rxf1+ 31.Kxf1 Rd2 32.b5 Kf8 33.Na6 Ra2 
34.Nb8 Ke8 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.30"]
[Round "9"]
[White "Bisguier, Arthur Bernard"]
[Black "Barcza, Gedeon"]
[Result "1/2-1/2"]
[ECO "D32"]
[EventDate "1970.06.20"]
[PlyCount "72"]

1.c4 e6 2.Nf3 c5 3.e3 Nf6 4.Nc3 Nc6 5.d4 d5 6.cxd5 exd5 7.Be2 Be6 8.O-O 
Rc8 9.b3 cxd4 10.Nxd4 Nxd4 11.Qxd4 Bc5 12.Qa4+ Bd7 13.Bb5 Bc6 14.Ba3 Bxa3 
15.Qxa3 a6 16.Bd3 Qe7 17.Qxe7+ Kxe7 18.Ne2 Bd7 19.f3 Rc7 20.Kf2 Rhc8 21.
Ke1 g6 22.Kd2 Be6 23.Nd4 Bd7 24.g4 Ne8 25.Rac1 Rxc1 26.Rxc1 Rxc1 27.Kxc1 
h6 28.Kd2 Nc7 29.Kc3 Kd6 30.h4 a5 31.Be2 Ne8 32.a3 Nf6 33.Bd1 Ng8 34.g5 
hxg5 35.hxg5 f6 36.gxf6 Nxf6 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.30"]
[Round "9"]
[White "Caro, Alberto"]
[Black "Benko, Pal"]
[Result "0-1"]
[ECO "D93"]
[EventDate "1970.06.20"]
[PlyCount "30"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3 c5 7.Be2 cxd4 8.exd4 
Nc6 9.h3 dxc4 10.Bxc4 Na5 11.Be2 Be6 12.O-O Nd5 13.Nxd5 Bxd5 14.Rc1 Nc6 
15.Qa4 Qb6 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.30"]
[Round "9"]
[White "Ciocaltea, Victor"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]
[ECO "C98"]
[EventDate "1970.06.20"]
[PlyCount "87"]

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.a3 a5 14.d5 Nd8 15.a4 Ba6 16.
axb5 Bxb5 17.c4 Ba6 18.Qe2 Nd7 19.Nb1 Nb7 20.Nc3 Nb6 21.b3 Ra7 22.Be3 Rfa8
23.Bd3 Nd7 24.g3 Nf8 25.Kg2 Nd8 26.Nd2 Bf6 27.Ndb1 Qd7 28.Rh1 Bc8 29.Nb5 
Ra6 30.N1c3 Qe7 31.h4 Rb8 32.Qd1 Nd7 33.Be2 Nb6 34.Bg4 Nd7 35.Qe2 Nb6 36.
Bxc8 Nxc8 37.g4 Bxh4 38.Rxh4 Qxh4 39.g5 h5 40.f3 Ne7 41.Rh1 Qxh1+ 42.Kxh1 
Ng6 43.Qh2 Kf8 44.f4 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.30"]
[Round "9"]
[White "Kavalek, Lubomir"]
[Black "Sigurjonsson, Gudmundur"]
[Result "1-0"]
[ECO "C18"]
[EventDate "1970.06.20"]
[PlyCount "81"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Nf3 Bd7 8.a4 Nc6
9.Qd2 Nge7 10.Ba3 b6 11.Bd3 h6 12.O-O Na5 13.Rfe1 Rc8 14.Bc1 c4 15.Bf1 Bc6
16.g3 Qd7 17.Nh4 Bxa4 18.Ng2 Kd8 19.Ba3 Bb5 20.Nf4 Kc7 21.Nh5 Rhg8 22.Reb1
a6 23.Qc1 Kb7 24.Bh3 Ra8 25.Qf4 Ng6 26.Qe3 Nc6 27.f4 Rae8 28.Qf2 Nge7 29.
Re1 Nf5 30.g4 Nfe7 31.Re3 Nd8 32.f5 Nc8 33.f6 g6 34.Ng7 Nc6 35.Nxe8 Qxe8 
36.Bg2 Rh8 37.Rh3 Qg8 38.Bc1 g5 39.Rh5 Nd8 40.Ra2 a5 41.Qe3 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.30"]
[Round "9"]
[White "Stein, Leonid"]
[Black "Sljussar, Anatoly"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1970.06.20"]
[PlyCount "35"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 g6 4.O-O Bg7 5.d3 O-O 6.Nbd2 Nbd7 7.e4 dxe4 8.dxe4
Nc5 9.e5 Ng4 10.Qe2 e6 11.Qc4 Nxe5 12.Nxe5 Bxe5 13.Qxc5 Bg7 14.Nf3 b6 15.
Qc6 Rb8 16.Bg5 f6 17.Rad1 Qe7 18.Bc1 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.06.30"]
[Round "9"]
[White "Yepez Obando, Olavo"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "B49"]
[EventDate "1970.06.20"]
[PlyCount "41"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 a6 6.Be3 Qc7 7.Be2 b5 8.Nxc6 
Qxc6 9.e5 Bb7 10.Bf3 Qc7 11.O-O Rc8 12.Bxb7 Qxb7 13.Qd3 Ne7 14.a3 Nf5 15.
Rad1 Be7 16.Rfe1 O-O 17.Bc1 Rfd8 18.Ne4 d5 19.exd6 Nxd6 20.Nxd6 Rxd6 21.
Qe2 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.01"]
[Round "10"]
[White "Ivkov, Borislav"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E62"]
[EventDate "1970.06.20"]
[PlyCount "113"]

1.c4 g6 2.d4 Nf6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 d6 6.Nf3 c6 7.O-O Qa5 8.h3 Qb4 
9.Qd3 d5 10.cxd5 cxd5 11.Ne5 Nc6 12.Bd2 Bf5 13.Nxc6 bxc6 14.Nxd5 Nxd5 15.
Bxb4 Bxd3 16.Bxd5 cxd5 17.exd3 Bxd4 18.Rab1 Rfc8 19.Bxe7 Rc2 20.b4 Re8 21.
Bc5 Bxc5 22.bxc5 Rxc5 23.Rb7 a6 24.Rfb1 Re6 25.R1b2 Rc3 26.R7b3 Rxb3 27.
Rxb3 Kg7 28.Ra3 Kf6 29.Kg2 Ke5 30.Ra4 Rc6 31.Kf3 Rb6 32.Ke3 g5 33.f4+ 
gxf4+ 34.Rxf4 Rg6 35.Kf3 f5 36.Rb4 d4 37.Ra4 Rc6 38.Ra5+ Ke6 39.Kf4 Rc3 
40.Rxa6+ Kf7 41.Kxf5 Rxd3 42.Ra7+ Kg8 43.Kf4 Rd1 44.Ra3 d3 45.Ke3 Rg1 46.
Rxd3 Rxg3+ 47.Kd4 Rg2 48.a3 Kf7 49.Kc4 Ke6 50.a4 Ra2 51.Kb5 Kf5 52.a5 Kg5 
53.Rd4 Kh5 54.a6 Rb2+ 55.Rb4 Ra2 56.Kb6 Rf2 57.a7 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.01"]
[Round "10"]
[White "Kavalek, Lubomir"]
[Black "Karpov, Anatoly"]
[Result "1-0"]
[ECO "C98"]
[EventDate "1970.06.20"]
[PlyCount "117"]

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.N3h4 Kh8 19.Nxe7 Qxe7 20.Qf3 Nd7 21.Nf5 Qf8 
22.Be3 Nc5 23.Red1 f6 24.Rd6 Rxd6 25.Bxc5 Rd1+ 26.Rxd1 Qxc5 27.Rd6 Bf7 28.
Qd1 Nb8 29.Rd8 Qc7 30.Nd6 Rxd8 31.Nxf7+ Qxf7 32.Qxd8+ Qg8 33.Qd6 Qe8 34.
Bd1 h5 35.Be2 Kh7 36.b3 cxb3 37.axb3 Nc6 38.b4 Kh6 39.h4 Qc8 40.g3 Kg6 41.
Qd1 Kf7 42.Bxh5+ Ke7 43.Bg4 Qc7 44.Qd5 Nd8 45.Bf5 Nf7 46.Qe6+ Kf8 47.Qxa6 
Nd6 48.Qa8+ Ke7 49.Qg8 Nxf5 50.exf5 Qxc3 51.Qxg7+ Kd6 52.Qxf6+ Kd5 53.Qf7+
Ke4 54.Qb7+ Kxf5 55.Qxb5 Qe1+ 56.Kg2 Qe4+ 57.Kh2 Kg4 58.Qd7+ Kf3 59.Qd2 
1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.01"]
[Round "10"]
[White "Benko, Pal"]
[Black "Ciocaltea, Victor"]
[Result "1/2-1/2"]
[ECO "E61"]
[EventDate "1970.06.20"]
[PlyCount "58"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Bg5 O-O 5.e3 d6 6.h3 c6 7.Nf3 Nbd7 8.Be2 a6 
9.a4 a5 10.O-O h6 11.Bf4 Nh7 12.Bh2 e5 13.Qb1 Ng5 14.Nxg5 hxg5 15.Rd1 exd4
16.exd4 Nf6 17.d5 c5 18.Nb5 Ne8 19.Qc1 b6 20.Re1 Ba6 21.Nc3 Ra7 22.Ne4 Bh6
23.h4 Re7 24.Bd3 f6 25.hxg5 fxg5 26.Qd2 Bc8 27.Re2 Rh7 28.Rae1 g4 29.Qc2 
Qh4 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.01"]
[Round "10"]
[White "Cuellar Gacharna, Miguel"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "E67"]
[EventDate "1970.06.20"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 d6 6.Nf3 Nbd7 7.O-O e5 8.e4 c6 
9.Rb1 a5 10.h3 a4 11.Be3 exd4 12.Nxd4 Qa5 13.Qc2 Re8 14.Rfd1 Nc5 15.b4 
axb3 16.axb3 Qc7 17.b4 Ne6 18.Nde2 Nd7 19.Qb3 Nef8 20.Nd4 Qb8 21.Nde2 Ne6 
22.Rd2 b5 23.cxb5 cxb5 24.Qd5 Nc7 25.Qxd6 Ra6 26.Qd3 Ne5 27.Qc2 Nc4 28.Bf4
Nxd2 29.Qxd2 Be5 30.Bxe5 Rxe5 31.f4 Re8 32.Kh2 Bb7 33.f5 Qd8 34.Qf4 gxf5 
35.Rd1 Qe7 36.Qxf5 Qe5 37.Qf2 Rf6 38.Qa7 Bc8 39.Nd5 Rc6 40.Nd4 Rc4 41.Nf3 
1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.01"]
[Round "10"]
[White "O'Kelly de Galway, Alberic"]
[Black "Caro, Alberto"]
[Result "1/2-1/2"]
[ECO "D38"]
[EventDate "1970.06.20"]
[PlyCount "54"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 d5 4.d4 Bb4 5.Bg5 h6 6.Bxf6 Qxf6 7.Rc1 O-O 8.e3 c6
9.Bd3 Nd7 10.O-O Re8 11.Bb1 Bxc3 12.Rxc3 dxc4 13.Rxc4 e5 14.Qc2 g6 15.Rd1 
Kg7 16.dxe5 Nxe5 17.Nxe5 Rxe5 18.Rf4 Rf5 19.Rfd4 Be6 20.e4 Rg5 21.Qc3 c5 
22.R4d3 Qxc3 23.Rxc3 c4 24.f4 Rb5 25.Rd2 Rc8 26.Kf2 Rbc5 27.h3 h5 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.01"]
[Round "10"]
[White "Panno, Oscar"]
[Black "Villarroel, Geber"]
[Result "1-0"]
[ECO "D50"]
[EventDate "1970.06.20"]
[PlyCount "101"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 Nbd7 6.Nf3 h6 7.Bh4 O-O 8.Rc1 c6 
9.Bd3 a6 10.a4 dxc4 11.Bxc4 c5 12.O-O Nb6 13.Bb3 cxd4 14.Nxd4 Nbd5 15.Qf3 
Qa5 16.Bg3 Nb4 17.Rfd1 Qh5 18.Qxh5 Nxh5 19.Bc7 Nf6 20.a5 Bd7 21.Na4 Nbd5 
22.Nc5 Bxc5 23.Rxc5 Rfc8 24.Bd6 Rxc5 25.Bxc5 Rc8 26.Ba3 Nc7 27.Rc1 Ncd5 
28.Rxc8+ Bxc8 29.Kf1 Bd7 30.Ke2 Nc7 31.f3 e5 32.Nc2 Nb5 33.Bc5 Be6 34.Bxe6
fxe6 35.e4 Kf7 36.Kd3 Nd7 37.Be3 Ke7 38.Ne1 Nb8 39.Kc4 Nc6 40.b4 Ncd4 41.
Kc5 Kd7 42.Nd3 Nc6 43.Bf2 Nd6 44.Bg3 Nf7 45.Kb6 Kc8 46.b5 Nb8 47.bxa6 Nxa6
48.Nxe5 Nd6 49.h4 Nb8 50.h5 Ne8 51.Bh4 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.01"]
[Round "10"]
[White "Parma, Bruno"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "C67"]
[EventDate "1970.06.20"]
[PlyCount "27"]

1.e4 Nc6 2.Nf3 e5 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.
Qxd8+ Kxd8 9.Nc3 Ke8 10.h3 Bc5 11.Rd1 Be6 12.Bf4 h6 13.a3 Rd8 14.Na4 
1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.01"]
[Round "10"]
[White "Sigurjonsson, Gudmundur"]
[Black "Barcza, Gedeon"]
[Result "1-0"]
[ECO "E54"]
[EventDate "1970.06.20"]
[PlyCount "119"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Bb4 7.Bd3 dxc4 8.Bxc4 
O-O 9.O-O b6 10.Bg5 Bb7 11.Qe2 Bxc3 12.bxc3 Nbd7 13.Bd3 Qc7 14.Rac1 Ng4 
15.Be4 Bxe4 16.Qxe4 Ngf6 17.Qe2 Rfe8 18.Rfe1 Nd5 19.c4 Nf4 20.Qe4 Ng6 21.
h4 h6 22.h5 Ngf8 23.Bf4 Qd8 24.Ne5 Qh4 25.Qf3 Nxe5 26.Bxe5 Nd7 27.Bg3 Qf6 
28.Qb7 Qe7 29.c5 Nf6 30.c6 Qa3 31.c7 Rac8 32.Be5 Nd5 33.Rc2 Qa4 34.Rec1 a5
35.Re2 Qb5 36.Rec2 Qd3 37.Rc6 Qd2 38.R6c2 Qg5 39.Rc6 Qxh5 40.Rd6 Qg5 41.
Rc4 Kh7 42.Rd7 Qd2 43.g3 Qe1+ 44.Kg2 Qe2 45.Rc1 f6 46.Bd6 Qxa2 47.Be7 Qa4 
48.Rxd5 exd5 49.Qxd5 Kh8 50.Bd8 Re2 51.Rc6 Re1 52.Rxf6 Qe8 53.Rxb6 Rc1 54.
Re6 Qf8 55.Qe5 Qf7 56.Re8+ Kh7 57.Qe4+ Qg6 58.Rh8+ Kxh8 59.Qxg6 R8xc7 60.
Bxc7 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.01"]
[Round "10"]
[White "Sljussar, Anatoly"]
[Black "Addison, William"]
[Result "1/2-1/2"]
[ECO "A53"]
[EventDate "1970.06.20"]
[PlyCount "124"]

1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.e4 e5 5.d5 Nc5 6.Qc2 a5 7.Be3 Ng4 8.Bxc5 
dxc5 9.h3 Nf6 10.Nf3 Bd6 11.Bd3 Nh5 12.Ne2 g6 13.O-O-O Qf6 14.Qd2 h6 15.
Rdf1 Bd7 16.Ne1 Qg5 17.g4 Qxd2+ 18.Kxd2 Ng7 19.f4 exf4 20.Nf3 f6 21.e5 
fxe5 22.Bxg6+ Ke7 23.Re1 Kf6 24.Bc2 b5 25.cxb5 Bxb5 26.Nc3 Bd7 27.Ne4+ Kf7
28.Rhg1 Rab8 29.Kc1 Rb4 30.a3 Rd4 31.Nxd4 cxd4 32.g5 hxg5 33.Nxg5+ Kf6 34.
Nh7+ Rxh7 35.Bxh7 Nf5 36.Rg6+ Kf7 37.Rgg1 Nh4 38.Be4 Kf6 39.Rgf1 Bf5 40.
Kd2 Bxe4 41.Rxe4 Nf5 42.Ree1 Ng3 43.Rg1 Kf5 44.Rxg3 fxg3 45.Kd3 g2 46.Rg1 
Bc5 47.Rxg2 e4+ 48.Kc4 Bb6 49.h4 d3 50.h5 Be3 51.Kc3 Ke5 52.Rg6 Kxd5 53.h6
c5 54.h7 Bd4+ 55.Kd2 c4 56.Rg5+ Kc6 57.Rg8 e3+ 58.Kd1 Bxb2 59.Rc8+ Kd5 60.
Rd8+ Kc5 61.Rc8+ Kd5 62.Rd8+ Kc5 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.03"]
[Round "11"]
[White "Caro, Alberto"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "A42"]
[EventDate "1970.06.20"]
[PlyCount "89"]

1.e4 g6 2.d4 Bg7 3.c4 d6 4.Nc3 e5 5.dxe5 dxe5 6.Qxd8+ Kxd8 7.Be3 Nd7 8.
O-O-O Bh6 9.Bxh6 Nxh6 10.f3 c6 11.g3 Ke7 12.Bh3 Nc5 13.Bxc8 Rhxc8 14.Nge2 
a5 15.Kc2 Ng8 16.Nc1 Ne6 17.N3e2 Nf6 18.Nd3 Nd7 19.Kd2 Nec5 20.Nxc5 Nxc5 
21.Ke3 Rd8 22.h4 Na4 23.Rb1 Rd7 24.b3 Nc5 25.Rbd1 Rad8 26.Rxd7+ Rxd7 27.
Nc1 f5 28.h5 Kf6 29.hxg6 hxg6 30.exf5 gxf5 31.a3 e4 32.fxe4 Re7 33.e5+ 
Rxe5+ 34.Kd4 Ne6+ 35.Kd3 Re4 36.b4 axb4 37.axb4 b5 38.cxb5 cxb5 39.Rh4 Re1
40.Ne2 Rf1 41.Rh7 Rf3+ 42.Kc2 Re3 43.Kd2 Re4 44.Rb7 Re5 45.Nc3 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.03"]
[Round "11"]
[White "Karpov, Anatoly"]
[Black "Sigurjonsson, Gudmundur"]
[Result "1/2-1/2"]
[ECO "B06"]
[EventDate "1970.06.20"]
[PlyCount "76"]

1.e4 g6 2.d4 d6 3.Nc3 Bg7 4.f3 c6 5.Nge2 b5 6.Be3 Bb7 7.g4 h5 8.g5 e6 9.
Qd2 Ne7 10.a4 b4 11.Nd1 a5 12.c3 bxc3 13.bxc3 Ba6 14.Nb2 Nd7 15.Nc1 Bxf1 
16.Rxf1 O-O 17.Bf4 e5 18.dxe5 Nxe5 19.Ncd3 Nxd3+ 20.Nxd3 Qb6 21.Be3 c5 22.
Kf2 Qb3 23.Rfc1 Rfd8 24.Nf4 d5 25.Qc2 Qb8 26.Rab1 Qd6 27.Kg1 d4 28.Rd1 Be5
29.Nh3 Qe6 30.cxd4 Qxh3 31.dxe5 Qxf3 32.Bxc5 Qg4+ 33.Kh1 Rxd1+ 34.Rxd1 Rc8
35.Rf1 Rxc5 36.Qxc5 Qxe4+ 37.Kg1 Qg4+ 38.Kh1 Qe4+ 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.03"]
[Round "11"]
[White "Ciocaltea, Victor"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "C94"]
[EventDate "1970.06.20"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Nb8 10.d3 Nbd7 11.Nbd2 Bb7 12.Nf1 Nc5 13.Bc2 Re8 14.Ng3 Bf8 15.Nh2 d5
16.Qf3 Ne6 17.Nf5 Kh8 18.h4 c5 19.Bg5 Nxg5 20.hxg5 Ng8 21.Qg3 dxe4 22.dxe4
Qc7 23.Ng4 Rad8 24.Rad1 Rxd1 25.Rxd1 g6 26.Nfe3 Qe7 27.Nh2 Qe6 28.Nf3 Bg7 
29.Bb3 c4 30.Bc2 Bc6 31.b3 cxb3 32.Bxb3 Qe7 33.Qh4 Rf8 34.Bd5 Bxd5 35.Nxd5
Qe6 36.Nh2 f5 37.gxf6 Nxf6 38.Nf3 h6 39.Nxf6 Qxf6 40.Qxf6 Rxf6 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.03"]
[Round "11"]
[White "Stein, Leonid"]
[Black "Benko, Pal"]
[Result "1-0"]
[ECO "B33"]
[EventDate "1970.06.20"]
[PlyCount "71"]

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.Rad1 f5 16.f3 Rhg8 17.g3 Kb8 18.Ke3 Nd4 19.Bb3 fxe4 20.fxe4 f5 
21.Ne7 f4+ 22.gxf4 exf4+ 23.Kxf4 Rgf8+ 24.Nf5 Bxf5 25.exf5 Rxf5+ 26.Ke4 
Rh5 27.h4 Nc6 28.Rxd8+ Nxd8 29.Kf4 Kc7 30.Kg4 Re5 31.Rf1 h5+ 32.Kf4 Rc5 
33.Rg1 Kd6 34.Rg5 Rc3 35.Rxh5 Ne6+ 36.Ke4 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.03"]
[Round "11"]
[White "Addison, William"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "E59"]
[EventDate "1970.06.20"]
[PlyCount "78"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O Nc6 8.a3 Bxc3 
9.bxc3 dxc4 10.Bxc4 Qc7 11.Bd3 e5 12.Qc2 Re8 13.Nxe5 Nxe5 14.dxe5 Qxe5 15.
f3 Bd7 16.a4 Rac8 17.Re1 c4 18.Bf1 Nd5 19.Bd2 Re6 20.e4 Nf4 21.Be3 Ra6 22.
Reb1 Rc7 23.Bd4 Qg5 24.Rb4 Rg6 25.Bxa7 Nxg2 26.Kh1 Nf4 27.Qd2 Be6 28.Rd1 
Rc8 29.Bxc4 Bh3 30.Bf1 Bxf1 31.Rxf1 Rxc3 32.Rxb7 h6 33.Rb5 Rd6 34.Rxg5 
Rxd2 35.Rc5 Ra3 36.Rcc1 Raa2 37.Bg1 Ne2 38.Ra1 Nxg1 39.Rxa2 Rxa2 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.03"]
[Round "11"]
[White "Barcza, Gedeon"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "E09"]
[EventDate "1970.06.20"]
[PlyCount "32"]

1.c4 Nf6 2.g3 e6 3.Nf3 d5 4.d4 Be7 5.Bg2 O-O 6.O-O c6 7.Nbd2 Nbd7 8.Qc2 b5
9.cxb5 cxb5 10.Nb3 Ba6 11.Bf4 Rc8 12.Qd3 Qb6 13.Rfc1 Ne4 14.Rxc8 Rxc8 15.
Rc1 Rxc1+ 16.Nxc1 Qc6 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.03"]
[Round "11"]
[White "Bisguier, Arthur Bernard"]
[Black "Sljussar, Anatoly"]
[Result "1-0"]
[ECO "C02"]
[EventDate "1970.06.20"]
[PlyCount "53"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Be7 6.Bd3 f5 7.h4 h5 8.dxc5 Bxc5 9.
Nbd2 Qb6 10.O-O a5 11.Nb3 Be7 12.Be3 Qc7 13.Nbd4 Bd7 14.Nb5 Qb8 15.Bb6 Bd8
16.Nd6+ Kf8 17.Bxd8 Nxd8 18.c4 Ne7 19.cxd5 Nxd5 20.Bxf5 Nf7 21.Nxf7 Kxf7 
22.Rc1 Bc6 23.Ng5+ Ke7 24.Bxe6 Qd8 25.Qd4 Qb6 26.Qd3 Nf4 27.Qd6+ 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.03"]
[Round "11"]
[White "Yepez Obando, Olavo"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B42"]
[EventDate "1970.06.20"]
[PlyCount "86"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.Be3 Nc6 7.Nc3 Qc7 8.O-O 
Ne5 9.h3 Bc5 10.f4 d6 11.Qe2 Ng6 12.Nb3 Bxe3+ 13.Qxe3 O-O 14.Rae1 b5 15.a3
Bb7 16.e5 dxe5 17.fxe5 Nd7 18.Bxg6 hxg6 19.Rf2 Rac8 20.Nd2 Qb6 21.Qxb6 
Nxb6 22.Nde4 Nc4 23.Nd6 Nxd6 24.exd6 Rfd8 25.Rd2 Rd7 26.Kf2 Rcd8 27.Red1 
f6 28.h4 Kf7 29.Ke3 e5 30.Ne4 Bxe4 31.Kxe4 Ke6 32.Rf1 Rxd6 33.Rxd6+ Rxd6 
34.Ke3 f5 35.g3 e4 36.Rh1 Ke5 37.Rf1 Rd8 38.Rg1 g5 39.hxg5 Rh8 40.Rg2 Rh5 
41.Kf2 g6 42.c3 Rxg5 43.Ke3 Rxg3+ 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.03"]
[Round "11"]
[White "Villarroel, Geber"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[EventDate "1970.06.20"]
[PlyCount "0"]

0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.04"]
[Round "12"]
[White "Ivkov, Borislav"]
[Black "Ciocaltea, Victor"]
[Result "1-0"]
[ECO "A88"]
[EventDate "1970.06.20"]
[PlyCount "59"]

1.Nf3 f5 2.d4 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.c4 d6 7.Nc3 c6 8.Re1 Ne4 
9.Qd3 Nxc3 10.Qxc3 c5 11.Be3 cxd4 12.Nxd4 e5 13.Nb5 a6 14.Qa3 f4 15.Bd2 
Nc6 16.Nxd6 Nd4 17.c5 Be6 18.Rac1 Rb8 19.Nxb7 Rxb7 20.Bxb7 f3 21.exf3 Bd5 
22.Bxd5+ Qxd5 23.Rc3 Rxf3 24.Be3 Ne2+ 25.Rxe2 Qd1+ 26.Kg2 Qxe2 27.Qb3+ Rf7
28.c6 Qf3+ 29.Kg1 Qe4 30.c7 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.04"]
[Round "12"]
[White "Karpov, Anatoly"]
[Black "Villarroel, Geber"]
[Result "1-0"]
[ECO "A15"]
[EventDate "1970.06.20"]
[PlyCount "51"]

1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nc3 e6 5.e3 O-O 6.Nge2 e5 7.O-O c6 8.f4 Re8 
9.h3 h5 10.e4 d5 11.cxd5 cxd5 12.fxe5 Nxe4 13.d4 Be6 14.Kh2 h4 15.gxh4 Nc6
16.h5 Qh4 17.Nxe4 dxe4 18.hxg6 fxg6 19.Rf4 Qh5 20.Rxe4 Rad8 21.Bf4 Rf8 22.
Bg3 Bd5 23.Rh4 Qf5 24.Bxd5+ Rxd5 25.Qb3 Qf7 26.Rf4 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.04"]
[Round "12"]
[White "Benko, Pal"]
[Black "Addison, William"]
[Result "1-0"]
[ECO "B01"]
[EventDate "1970.06.20"]
[PlyCount "95"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd8 4.d4 Nf6 5.Bc4 Bf5 6.Qf3 Qc8 7.Bf4 c6 8.Nge2
e6 9.O-O-O Nbd7 10.h3 b5 11.Bd3 Bxd3 12.Rxd3 Qb7 13.Ng3 Nd5 14.Nxd5 cxd5 
15.Re1 Rc8 16.Re2 g6 17.Nf1 h5 18.Ne3 Nb6 19.Be5 Rh7 20.Kb1 Nc4 21.Bf6 Kd7
22.Nf1 a5 23.Nd2 a4 24.Qf4 a3 25.b3 Nb2 26.Rde3 Nd1 27.Nf3 Bd6 28.Be5 Be7 
29.Rd3 Nc3+ 30.Rxc3 Rxc3 31.Bf6 Qc7 32.Ne5+ Ke8 33.Bxe7 Kxe7 34.Qg5+ Kf8 
35.Nd3 Rxd3 36.cxd3 Qc3 37.Qe3 Kg7 38.Rc2 Qa5 39.Qe5+ Kh6 40.Qf4+ Kg7 41.
Qe5+ Kh6 42.Qe3+ Kg7 43.Rc8 Qa7 44.Qe5+ Kh6 45.Kc2 Qa6 46.Rg8 Qc6+ 47.Kd2 
f5 48.Qf6 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.04"]
[Round "12"]
[White "Cuellar Gacharna, Miguel"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "D46"]
[EventDate "1970.06.20"]
[PlyCount "89"]

1.c4 Nf6 2.Nf3 e6 3.Nc3 d5 4.d4 c6 5.e3 Nbd7 6.Bd3 Bb4 7.O-O O-O 8.Qe2 Qe7
9.e4 dxc4 10.Bxc4 e5 11.d5 Nc5 12.Bg5 h6 13.Bxf6 Qxf6 14.Rac1 b5 15.Bd3 
Bg4 16.Rfd1 a6 17.Qe3 Nxd3 18.Rxd3 c5 19.a4 c4 20.Rdd1 Rab8 21.axb5 axb5 
22.h3 Bd7 23.Ne2 Rfc8 24.Nh2 Qg6 25.g4 Bc5 26.Qf3 h5 27.Ng3 hxg4 28.Nxg4 
Bd4 29.b3 cxb3 30.Qxb3 Bxg4 31.hxg4 Qxg4 32.Rc6 Rxc6 33.dxc6 Rc8 34.Rd3 
Rxc6 35.Rf3 Qd7 36.Nf5 Rg6+ 37.Kf1 Re6 38.Qa3 Qa7 39.Qc1 Qa1 40.Qxa1 Bxa1 
41.Rb3 Rb6 42.Ne7+ Kf8 43.Nd5 Rb8 44.Rh3 Kg8 45.Ne7+ 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.04"]
[Round "12"]
[White "Kavalek, Lubomir"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E90"]
[EventDate "1970.06.20"]
[PlyCount "105"]

1.c4 g6 2.d4 Nf6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.h3 e5 7.d5 Nh5 8.Nh2 c5 9.
Be2 Nf4 10.Bf3 f5 11.h4 Nd7 12.g3 Nh5 13.exf5 e4 14.Nxe4 Ne5 15.Be2 Bxf5 
16.Nc3 Qf6 17.Be3 Rae8 18.O-O Bh3 19.Ne4 Qd8 20.Ng5 Bxf1 21.Nxf1 Nf6 22.f4
Nf7 23.Ne6 Qd7 24.Nxf8 Bxf8 25.Kg2 Nh6 26.Bf3 Nf5 27.Bf2 h5 28.Qd3 Kf7 29.
Rb1 b6 30.b4 Bg7 31.bxc5 dxc5 32.Nd2 Nd6 33.Re1 Rxe1 34.Bxe1 Qf5 35.Qe2 
Qd7 36.Nb1 Qe8 37.Qxe8+ Nfxe8 38.Be2 Nf5 39.Bd3 Ned6 40.Kf3 Nd4+ 41.Kf2 
N4f5 42.a4 Bd4+ 43.Ke2 Bf6 44.Bf2 Bb2 45.Nd2 Ke7 46.Nf3 Kf6 47.Kd2 a5 48.
Kc2 Ba1 49.Be1 Ne3+ 50.Kb3 Nef5 51.Kc2 Ne3+ 52.Kb1 Bd4 53.Ne5 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.04"]
[Round "12"]
[White "O'Kelly de Galway, Alberic"]
[Black "Stein, Leonid"]
[Result "0-1"]
[ECO "E62"]
[EventDate "1970.06.20"]
[PlyCount "50"]

1.c4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.d4 Nc6 7.d5 Na5 8.b3 c6 9.
Bb2 cxd5 10.cxd5 Bd7 11.Nd2 Rc8 12.Rc1 b5 13.a3 Qb6 14.b4 Nc4 15.Nxc4 Rxc4
16.O-O Ng4 17.Qb3 Rfc8 18.Na2 Bf5 19.e4 Bd7 20.Rxc4 bxc4 21.Qc2 Ne5 22.Kh1
c3 23.Bxc3 Bb5 24.Rd1 Ng4 25.Kg1 Ba4 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.04"]
[Round "12"]
[White "Panno, Oscar"]
[Black "Caro, Alberto"]
[Result "1-0"]
[ECO "A15"]
[EventDate "1970.06.20"]
[PlyCount "83"]

1.c4 Nf6 2.Nf3 e6 3.g3 Be7 4.Bg2 O-O 5.O-O c5 6.Nc3 Nc6 7.d4 d6 8.b3 a6 9.
h3 Qc7 10.Bb2 b6 11.Rc1 Bb7 12.e3 Rfe8 13.Qc2 h6 14.Rfd1 Rad8 15.Qb1 Ba8 
16.d5 exd5 17.cxd5 Nb8 18.a4 Nbd7 19.Nd2 Bb7 20.e4 Nh7 21.Nc4 Bf6 22.Kh2 
Nhf8 23.Qc2 Ng6 24.Ne3 Bc8 25.Qe2 Kh7 26.Rc2 Ne7 27.Ng4 Bd4 28.Nb5 axb5 
29.Rxd4 Qa7 30.Rd1 b4 31.Ne3 f6 32.f4 Nf8 33.Qf3 Neg6 34.h4 Re7 35.Bh3 Nh8
36.Bf1 Rde8 37.Bd3 Kg8 38.Re1 Bd7 39.g4 Nf7 40.Rg2 Nh7 41.Nf5 Qb7 42.Nxg7 
1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.04"]
[Round "12"]
[White "Sigurjonsson, Gudmundur"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "C95"]
[EventDate "1970.06.20"]
[PlyCount "36"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Nb8 10.d4 Nbd7 11.Bg5 Bb7 12.Nbd2 h6 13.Bh4 Re8 14.a4 c5 15.dxe5 Nxe5
16.Nxe5 dxe5 17.Bxf6 Bxf6 18.Qe2 c4 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.04"]
[Round "12"]
[White "Sljussar, Anatoly"]
[Black "Barcza, Gedeon"]
[Result "0-1"]
[ECO "D85"]
[EventDate "1970.06.20"]
[PlyCount "88"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nb6 6.Be3 Bg7 7.h3 O-O 8.Nf3 c6
9.Qd2 Be6 10.b3 a5 11.Bh6 f6 12.Bxg7 Kxg7 13.Rd1 a4 14.d5 Bf7 15.Bc4 cxd5 
16.exd5 e5 17.O-O Qd6 18.Qe3 Qb4 19.Ra1 N8d7 20.Nd2 axb3 21.axb3 Qc5 22.
Qf3 f5 23.Qe3 Qxe3 24.fxe3 Nf6 25.Nf3 Nfxd5 26.Rxa8 Rxa8 27.Nxd5 Bxd5 28.
Nxe5 Nxc4 29.Nxc4 Ra2 30.Rf2 Ra1+ 31.Kh2 Kf6 32.Rb2 Re1 33.Nb6 Bc6 34.Nc4 
b5 35.Na5 Be4 36.Kg3 Rxe3+ 37.Kf2 Rc3 38.b4 Ke5 39.Nb3 Rc2+ 40.Rxc2 Bxc2 
41.Nd2 Kd4 42.Ke1 Be4 43.g3 Kc3 44.Kd1 Kxb4 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.06"]
[Round "13"]
[White "Bisguier, Arthur Bernard"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "B31"]
[EventDate "1970.06.20"]
[PlyCount "37"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.Re1 O-O 7.h3 a6 8.Bf1 b6 
9.d4 cxd4 10.cxd4 d5 11.e5 Ne8 12.Nc3 Nc7 13.b3 Ne6 14.Bb2 b5 15.g3 Bb7 
16.Bg2 Qd7 17.Qd2 f6 18.Rad1 Rad8 19.exf6 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.06"]
[Round "13"]
[White "Stein, Leonid"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "C95"]
[EventDate "1970.06.20"]
[PlyCount "39"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 
9.h3 Nb8 10.d4 Nbd7 11.Bg5 Bb7 12.Nbd2 h6 13.Bh4 Re8 14.a4 c5 15.Ba2 Qb6 
16.dxe5 dxe5 17.Bxf6 Bxf6 18.Bd5 c4 19.b4 cxb3 20.Qxb3 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.06"]
[Round "13"]
[White "Yepez Obando, Olavo"]
[Black "Karpov, Anatoly"]
[Result "0-1"]
[ECO "E55"]
[EventDate "1970.06.20"]
[PlyCount "78"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Nbd7 9.Qe2 cxd4 10.exd4 b6 11.Rd1 Bxc3 12.bxc3 Qc7 13.Ba3 Re8 14.Rac1 Bb7 
15.Ne5 a6 16.f4 Nd5 17.Rf1 f6 18.Nxd7 Qxd7 19.Bb3 b5 20.Bc5 Bc6 21.Rf2 f5 
22.Qe5 Rac8 23.c4 bxc4 24.Bxc4 Bb5 25.Rb2 Bxc4 26.Rxc4 Rc7 27.Rc1 Rb7 28.
Rcb1 Rxb2 29.Rxb2 Kf7 30.h3 h6 31.h4 Rd8 32.g3 Qc8 33.Kh2 Qa8 34.Kg1 Qc6 
35.a3 Rd7 36.Kf2 Nf6 37.Qe1 Ne4+ 38.Kg1 Nxc5 39.Qc3 Qe4 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.06"]
[Round "13"]
[White "Addison, William"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "E54"]
[EventDate "1970.06.20"]
[PlyCount "40"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Nc6 9.a3 Ba5 10.Qd3 a6 11.Rd1 b5 12.Ba2 Bb6 13.dxc5 Qxd3 14.Rxd3 Bxc5 15.
Bd2 Bb7 16.Rc1 Bb6 17.Be1 Rfd8 18.Rcd1 Rxd3 19.Rxd3 Rd8 20.Rxd8+ Bxd8 
1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.06"]
[Round "13"]
[White "Barcza, Gedeon"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]
[ECO "A21"]
[EventDate "1970.06.20"]
[PlyCount "116"]

1.c4 e5 2.Nc3 d6 3.g3 Nc6 4.Bg2 g6 5.e3 Bg7 6.Nge2 h5 7.h4 Nge7 8.a3 a5 9.
d3 O-O 10.Bd2 Bf5 11.Qc2 Qd7 12.Rc1 Nd8 13.Nd5 Nc8 14.e4 Be6 15.O-O c6 16.
Ne3 Bh3 17.f4 Bxg2 18.Kxg2 f5 19.Rf3 Ne6 20.exf5 Nd4 21.Nxd4 exd4 22.Nf1 
Rxf5 23.Re1 Ne7 24.Rf2 Rff8 25.Nh2 Nf5 26.Nf3 Bf6 27.Qd1 c5 28.Rfe2 b5 29.
Qb3 b4 30.Qd1 bxa3 31.bxa3 a4 32.Re4 Rab8 33.Bc1 Rb1 34.Qe2 Rb3 35.Ng5 d5 
36.cxd5 c4 37.Ne6 Rc8 38.dxc4 Nxg3 39.Qc2 d3 40.Qf2 Nxe4 41.Rxe4 d2 42.
Qxd2 Rcb8 43.Re2 Qf7 44.Nc5 Rb1 45.Qe3 Ra1 46.Bd2 Rbb1 47.Be1 Rd1 48.Ne6 
Be7 49.Ng5 Bxg5 50.hxg5 Rab1 51.Bf2 Rb3 52.Qe5 Qd7 53.f5 Rb7 54.Qe6+ Qf7 
55.Qc8+ Kh7 56.Re6 Rc7 57.fxg6+ Kg7 58.gxf7 Rxc8 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.06"]
[Round "13"]
[White "Caro, Alberto"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[ECO "B32"]
[EventDate "1970.06.20"]
[PlyCount "52"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qb6 5.Nb3 Nf6 6.Nc3 e6 7.Be3 Qc7 8.a3 
a6 9.f4 d6 10.Be2 b5 11.O-O Bb7 12.Bf3 Be7 13.Qe1 O-O 14.Qf2 Nd7 15.Rad1 
Rab8 16.g4 Ba8 17.g5 Rfe8 18.Qh4 b4 19.axb4 Nxb4 20.Rc1 Nxc2 21.Rxc2 Rxb3 
22.f5 Ne5 23.Bd4 exf5 24.Bxe5 dxe5 25.exf5 e4 26.Bd1 Rb4 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.06"]
[Round "13"]
[White "Ciocaltea, Victor"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B80"]
[EventDate "1970.06.20"]
[PlyCount "60"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3 a6 7.f4 b5 8.Qf3 Bb7 
9.Bd3 Nbd7 10.O-O Rc8 11.a4 b4 12.Nb1 Be7 13.Nd2 g6 14.a5 O-O 15.N4b3 Rc7 
16.Bf2 Qa8 17.Rae1 e5 18.Bg3 Nh5 19.f5 Ndf6 20.Qe2 Re8 21.Rf3 Nxg3 22.Rxg3
Kg7 23.Rf1 d5 24.exd5 Bxd5 25.fxg6 hxg6 26.Bxa6 Rxc2 27.Bb5 Rb8 28.Bd3 
Bxb3 29.Bxg6 fxg6 30.Rxb3 Rd8 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.06"]
[Round "13"]
[White "Parma, Bruno"]
[Black "Sljussar, Anatoly"]
[Result "1-0"]
[ECO "C10"]
[EventDate "1970.06.20"]
[PlyCount "33"]

1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bg5 Be7 8.
Bd3 O-O 9.O-O b6 10.Qe2 Bb7 11.Rfd1 Re8 12.c4 Qc8 13.Ne5 c5 14.Bxf6 Bxf6 
15.Bxh7+ Kxh7 16.Qh5+ Kg8 17.Qxf7+ 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.06"]
[Round "13"]
[White "Villarroel, Geber"]
[Black "Sigurjonsson, Gudmundur"]
[Result "0-1"]
[ECO "B08"]
[EventDate "1970.06.20"]
[PlyCount "44"]

1.e4 g6 2.d4 d6 3.Nc3 Bg7 4.Nf3 Nf6 5.Be2 O-O 6.O-O c6 7.a4 a5 8.Bf4 Nbd7 
9.h3 Nh5 10.Bh2 Qb6 11.Ra3 e5 12.dxe5 dxe5 13.Nd2 Nf4 14.Nc4 Qc5 15.Nb1 
Nf6 16.Nbd2 Be6 17.Bxf4 exf4 18.Bd3 Nd7 19.Qe2 b5 20.axb5 cxb5 21.Rxa5 f3 
22.Nxf3 Bxc4 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.07"]
[Round "14"]
[White "Ivkov, Borislav"]
[Black "Addison, William"]
[Result "1/2-1/2"]
[ECO "A22"]
[EventDate "1970.06.20"]
[PlyCount "121"]

1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O 5.e4 Re8 6.Nge2 c6 7.O-O a6 8.d4 d6 
9.a3 Ba5 10.b4 Bc7 11.h3 Nbd7 12.Be3 b5 13.cxb5 axb5 14.d5 Bb7 15.dxc6 
Bxc6 16.Qd3 Qb8 17.g4 h6 18.Ng3 Nf8 19.Qd2 Kh7 20.Nf5 Ng8 21.Nd5 Bd8 22.
Rfc1 Bd7 23.Rc3 Ra6 24.Rd3 Ne6 25.Nc3 Bc7 26.Nd5 Bd8 27.Nc3 Bc7 28.Rd1 
Rxa3 29.Nxd6 Rf8 30.Nf5 Bc6 31.Qc1 Qa8 32.Nd5 Rxd3 33.Rxd3 Bb8 34.Rc3 Bd7 
35.Nb6 Qb7 36.Nxd7 Qxd7 37.Bf1 Qb7 38.Rc6 Rd8 39.Bb6 Rd7 40.Bxb5 Ba7 41.
Rxe6 fxe6 42.Bxd7 Qxb6 43.Ne3 Nf6 44.Bc8 Qxb4 45.Bxe6 Qd6 46.Bd5 Bd4 47.
Nf5 Qc5 48.Qxc5 Bxc5 49.Kf1 g6 50.Nh4 Kg7 51.Nf3 Bd6 52.Ke2 Nd7 53.Kd3 Kf6
54.h4 g5 55.h5 Nb6 56.Nd2 Bc5 57.f3 Ke7 58.Bb7 Kd7 59.Nf1 Kc7 60.Ba6 Kc6 
61.Ne3 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.07"]
[Round "14"]
[White "Karpov, Anatoly"]
[Black "Caro, Alberto"]
[Result "1-0"]
[ECO "A22"]
[EventDate "1970.06.20"]
[PlyCount "61"]

1.c4 e5 2.Nc3 Nf6 3.e4 Bc5 4.g3 Nc6 5.Bg2 d6 6.h3 O-O 7.d3 h6 8.Nf3 a5 9.
O-O Nd4 10.Nxd4 Bxd4 11.Kh2 c6 12.f4 Kh7 13.Qf3 a4 14.Ne2 Qb6 15.Rb1 Bc5 
16.Rd1 Ne8 17.g4 f6 18.Bd2 Nc7 19.f5 Rd8 20.h4 Rh8 21.Kg3 Kg8 22.g5 hxg5 
23.hxg5 Kf7 24.Rh1 Bd7 25.Qg4 Raf8 26.Rxh8 Rxh8 27.gxf6 Ne8 28.Qg6+ Kf8 
29.fxg7+ Nxg7 30.Bh6 Bf2+ 31.Kf3 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.07"]
[Round "14"]
[White "Benko, Pal"]
[Black "Barcza, Gedeon"]
[Result "1-0"]
[ECO "C26"]
[EventDate "1970.06.20"]
[PlyCount "117"]

1.e4 e5 2.Nc3 Nf6 3.g3 d5 4.exd5 Nxd5 5.Bg2 Be6 6.Nf3 Nc6 7.O-O Be7 8.Re1 
f6 9.d4 O-O 10.Qe2 Bd6 11.dxe5 Nxc3 12.bxc3 Bxe5 13.Bf4 Qd7 14.Bxe5 Nxe5 
15.Nxe5 fxe5 16.Qxe5 Rae8 17.Qd4 Qf7 18.Re5 c6 19.Qxa7 Bf5 20.Rae1 Rxe5 
21.Rxe5 Bxc2 22.h4 h6 23.Re2 Bd3 24.Rb2 Qf6 25.Rxb7 Qxc3 26.Qe3 c5 27.Rc7 
Qa1+ 28.Kh2 c4 29.Qe6+ Kh8 30.Rc8 Rxc8 31.Qxc8+ Kh7 32.Bd5 h5 33.Bxc4 Qd4 
34.Qg8+ Kh6 35.Qe6+ Kh7 36.Bxd3+ Qxd3 37.Kg2 Qa3 38.Qd5 g6 39.Qf7+ Kh6 40.
Qf4+ Kg7 41.Qd4+ Kg8 42.Qc4+ Kg7 43.Qb3 Qa8+ 44.Kg1 Qe4 45.a3 Qe1+ 46.Kg2 
Qe4+ 47.Qf3 Qa4 48.Qc3+ Kg8 49.Qb4 Qc6+ 50.Kh2 Qf6 51.Qf4 Qa6 52.a4 Qa5 
53.Qf6 Qxa4 54.Qxg6+ Kh8 55.Qxh5+ Kg8 56.Qg5+ Kh7 57.Qf5+ Kg7 58.h5 Qd4 
59.h6+ 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.07"]
[Round "14"]
[White "Cuellar Gacharna, Miguel"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1970.06.20"]
[PlyCount "53"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 e6 4.d3 c5 5.Nbd2 Nc6 6.e4 Be7 7.O-O O-O 8.e5 Nd7 
9.Qe2 b5 10.Re1 a5 11.Nf1 b4 12.h4 Ba6 13.Bf4 a4 14.Ne3 Nd4 15.Qd1 Bb7 16.
h5 a3 17.b3 Nb5 18.Ng4 c4 19.Qd2 cxb3 20.cxb3 Rc8 21.h6 g6 22.Bg5 Rc3 23.
Qf4 Rc2 24.Ne3 Rb2 25.Nd1 Rc2 26.Ne3 Rb2 27.Nd1 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.07"]
[Round "14"]
[White "Kavalek, Lubomir"]
[Black "Ciocaltea, Victor"]
[Result "1-0"]
[ECO "A81"]
[EventDate "1970.06.20"]
[PlyCount "63"]

1.d4 f5 2.g3 Nf6 3.Bg2 d6 4.Nf3 g6 5.O-O Bg7 6.c3 O-O 7.Qb3+ e6 8.Nbd2 a5 
9.a4 Na6 10.Re1 Ne4 11.Nxe4 fxe4 12.Ng5 d5 13.f3 h6 14.Nh3 exf3 15.exf3 g5
16.f4 g4 17.Nf2 c5 18.Nxg4 cxd4 19.Ne5 dxc3 20.bxc3 Nc5 21.Qc2 Bd7 22.Be3 
b6 23.Bxc5 bxc5 24.Bh3 Rf6 25.Re2 Ra6 26.Rae1 Bc8 27.Ng4 Rf8 28.Qg6 e5 29.
Nxh6+ Kh8 30.Nf7+ Rxf7 31.Qxf7 Bxh3 32.Rxe5 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.07"]
[Round "14"]
[White "O'Kelly de Galway, Alberic"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "E08"]
[EventDate "1970.06.20"]
[PlyCount "40"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 Be7 5.Bg2 O-O 6.O-O Nbd7 7.Qc2 c6 8.Bf4 Nh5
9.Bd2 f5 10.b4 Nb6 11.c5 Nc4 12.a4 Nf6 13.Bf4 Bd7 14.Nbd2 Nxd2 15.Bxd2 Ne4
16.Ne5 Bf6 17.Be1 Be8 18.f3 Ng5 19.e3 Qc7 20.Bc3 Kh8 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.07"]
[Round "14"]
[White "Panno, Oscar"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "E69"]
[EventDate "1970.06.20"]
[PlyCount "124"]

1.Nf3 Nf6 2.c4 g6 3.d4 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O Nbd7 7.Nc3 e5 8.e4 c6 
9.h3 Qb6 10.Re1 Re8 11.d5 Nc5 12.Rb1 a5 13.Be3 Qc7 14.Nd2 Bd7 15.Bf1 Reb8 
16.Qf3 Ne8 17.dxc6 Bxc6 18.Nd5 Qd8 19.Red1 Nc7 20.Nb3 N7e6 21.h4 h5 22.Bh3
Nxb3 23.axb3 Nd4 24.Bxd4 exd4 25.Ra1 a4 26.bxa4 Bxa4 27.b3 Bc6 28.b4 Bxd5 
29.exd5 Qb6 30.Rxa8 Rxa8 31.Qb3 Qa7 32.c5 dxc5 33.bxc5 Qxc5 34.Qxb7 Rd8 
35.Bg2 Rd6 36.Qb3 Rb6 37.Qd3 Rb2 38.Bf3 Be5 39.Kg2 Qc7 40.Rd2 Qc3 41.Qxc3 
dxc3 42.Rxb2 cxb2 43.Be4 Kf8 44.f3 Ke7 45.Bb1 Bc7 46.f4 f5 47.Kf3 Kd6 48.
Ba2 Bb6 49.Ke2 Bd4 50.Ke1 Kc5 51.Ke2 Bc3 52.Kd1 Kd6 53.Ke2 Ba5 54.Kd1 Bb4 
55.Ke2 Kc5 56.Kd1 Ba5 57.Ke2 Kd6 58.Kd1 Bb4 59.Ke2 Kc5 60.Kd1 Kd4 61.d6 
Kd3 62.d7 Be7 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.07"]
[Round "14"]
[White "Sigurjonsson, Gudmundur"]
[Black "Sljussar, Anatoly"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1970.06.20"]
[PlyCount "53"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 c5 5.g3 Nc6 6.Bg2 dxe4 7.dxe4 e5 8.O-O 
Bg4 9.h3 Bh5 10.c3 Qc7 11.Qc2 Rd8 12.Nc4 Be7 13.Nh4 b5 14.Ne3 Bg6 15.a4 b4
16.Nxg6 hxg6 17.Nd5 Qb7 18.Be3 Bd6 19.Rfd1 Ne7 20.Nxe7 Qxe7 21.cxb4 cxb4 
22.Qc6+ Rd7 23.Bxa7 O-O 24.Bb6 Qe6 25.a5 Be7 26.Qxe6 fxe6 27.a6 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.07"]
[Round "14"]
[White "Villarroel, Geber"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "B43"]
[EventDate "1970.06.20"]
[PlyCount "84"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Bd3 Nf6 7.O-O d6 8.Be3 b5
9.f4 Bb7 10.Qf3 Nbd7 11.Rae1 Be7 12.a3 h5 13.h3 h4 14.Bf2 g6 15.Qe3 e5 16.
Nf3 Nh5 17.Ne2 Nxf4 18.Nxf4 exf4 19.Qxf4 Ne5 20.Nxe5 dxe5 21.Qxf7+ Kxf7 
22.Bb6+ Ke6 23.Bxc7 Bc5+ 24.Kh2 Rac8 25.Ba5 Rhf8 26.Bd2 Bd4 27.b3 Bf2 28.
Rd1 Bg3+ 29.Kg1 Bf4 30.Bb4 Rfd8 31.Ba5 Rd4 32.Rde1 g5 33.Bb6 Rd6 34.Ba5 
Rg8 35.Rf3 g4 36.hxg4 Rxg4 37.Re2 Rd7 38.Be1 Rd4 39.Bf2 Rd8 40.Rh3 Bg5 41.
Kh2 Bf4+ 42.Kh1 Bg5 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.08"]
[Round "15"]
[White "Bisguier, Arthur Bernard"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "A56"]
[EventDate "1970.06.20"]
[PlyCount "20"]

1.d4 Nf6 2.c4 c5 3.e3 g6 4.Nc3 Bg7 5.Nf3 O-O 6.Be2 cxd4 7.Nxd4 Nc6 8.O-O 
Nxd4 9.exd4 d5 10.Bf4 dxc4 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.08"]
[Round "15"]
[White "Ciocaltea, Victor"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]
[ECO "C42"]
[EventDate "1970.06.20"]
[PlyCount "36"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 Qe7 6.d3 Nf6 7.Bg5 Qxe2+ 8.
Bxe2 Be7 9.Nbd2 Nd5 10.Bxe7 Kxe7 11.O-O-O Nf4 12.Bf1 h6 13.Re1+ Kd8 14.h4 
Re8 15.Rxe8+ Kxe8 16.g3 Ne6 17.d4 Nd7 18.Bd3 Nf6 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.08"]
[Round "15"]
[White "Addison, William"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A56"]
[EventDate "1970.06.20"]
[PlyCount "61"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 d6 5.e4 Bg7 6.Bd3 O-O 7.Nf3 e6 8.O-O exd5 
9.cxd5 Bg4 10.h3 Bxf3 11.Qxf3 a6 12.a4 Nbd7 13.Qd1 Re8 14.Re1 Rc8 15.Be3 
Qa5 16.Bd2 c4 17.Bc2 Nc5 18.Qe2 Qd8 19.Qd1 Nfd7 20.a5 Ne5 21.Na4 Ncd3 22.
Re3 Qf6 23.Bxd3 Nxd3 24.Rf3 Qd8 25.Nb6 Rc5 26.Nxc4 Rxc4 27.Rxd3 Rcxe4 28.
Ra4 Qc7 29.Rxe4 Rxe4 30.Qb3 h5 31.Bc3 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.08"]
[Round "15"]
[White "Barcza, Gedeon"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "A13"]
[EventDate "1970.06.20"]
[PlyCount "39"]

1.c4 e6 2.Nf3 Nf6 3.g3 d5 4.d4 dxc4 5.Qa4+ Nbd7 6.Bg2 a6 7.Nc3 Rb8 8.Qxc4 
b5 9.Qd3 Bb7 10.Bf4 Rc8 11.O-O c5 12.dxc5 Bxc5 13.Rad1 O-O 14.Ng5 Bxg2 15.
Kxg2 Qb6 16.Nge4 b4 17.Nb1 Nxe4 18.Qxe4 Nf6 19.Qf3 Bd4 20.Bc1 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.08"]
[Round "15"]
[White "Caro, Alberto"]
[Black "Villarroel, Geber"]
[Result "1/2-1/2"]
[ECO "C68"]
[EventDate "1970.06.20"]
[PlyCount "26"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.d4 exd4 6.Qxd4 Qxd4 7.Nxd4 Bd7 8.
Nc3 O-O-O 9.O-O Ne7 10.Be3 Ng6 11.f3 f6 12.Rad1 Ne5 13.b3 g6 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.08"]
[Round "15"]
[White "Parma, Bruno"]
[Black "Benko, Pal"]
[Result "1/2-1/2"]
[ECO "C41"]
[EventDate "1970.06.20"]
[PlyCount "21"]

1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Qxd4 Nc6 5.Bb5 Ne7 6.Qd3 a6 7.Ba4 b5 8.Bb3 
Na5 9.O-O Nxb3 10.axb3 Nc6 11.Nc3 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.08"]
[Round "15"]
[White "Sljussar, Anatoly"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "D37"]
[EventDate "1970.06.20"]
[PlyCount "86"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.h3 O-O 6.e3 b6 7.cxd5 exd5 8.Bd3 c5 
9.O-O Nc6 10.dxc5 bxc5 11.Bb5 Bb7 12.Qa4 Qb6 13.Rd1 Nb4 14.a3 a6 15.Bd7 a5
16.Qb5 Qc7 17.Bf5 Na6 18.Qe2 Rfe8 19.Bd2 Bc6 20.Bd3 c4 21.Bc2 Nc5 22.Nd4 
Rab8 23.Rab1 Bf8 24.Qf3 Rb7 25.Nce2 Ba4 26.Bxa4 Nxa4 27.Nc3 Nxc3 28.Bxc3 
Ne4 29.a4 Bb4 30.Bxb4 axb4 31.Nb5 Qe5 32.Rd4 h6 33.Rbd1 Nf6 34.Qe2 Ra8 35.
Qc2 b3 36.Qb1 Rxa4 37.Nc3 Ra5 38.e4 Rba7 39.Nxd5 Ra1 40.Nxf6+ Qxf6 41.Rd8+
Kh7 42.e5+ Rxb1 43.exf6 Raa1 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.08"]
[Round "15"]
[White "Stein, Leonid"]
[Black "Kavalek, Lubomir"]
[Result "1-0"]
[ECO "C91"]
[EventDate "1970.06.20"]
[PlyCount "73"]

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.d4 Bg4 10.d5 Na5 11.Bc2 c6 12.dxc6 Qc7 13.h3 Bc8 14.Nbd2 Qxc6 15.Nf1 Nc4
16.Qe2 h6 17.Ng3 Re8 18.Nh4 Bf8 19.Qf3 Re6 20.Nhf5 Kh8 21.Rd1 Bb7 22.a4 
Rd8 23.b3 Nb6 24.a5 Nc8 25.c4 Ne7 26.Ne3 bxc4 27.bxc4 Qc8 28.Bd2 Ng6 29.
Nd5 Nxd5 30.cxd5 Rf6 31.Qb3 Nf4 32.Rdc1 Rg6 33.Bd1 Qd7 34.Bg4 Qe7 35.Nf5 
Qg5 36.Bxf4 Qxf4 37.Qxb7 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.08"]
[Round "15"]
[White "Yepez Obando, Olavo"]
[Black "Sigurjonsson, Gudmundur"]
[Result "1/2-1/2"]
[ECO "B09"]
[EventDate "1970.06.20"]
[PlyCount "78"]

1.e4 g6 2.d4 d6 3.Nc3 Bg7 4.f4 Nf6 5.Nf3 c5 6.Bb5+ Bd7 7.e5 Ng4 8.e6 Bxb5 
9.exf7+ Kd7 10.Nxb5 Qa5+ 11.Nc3 cxd4 12.Nxd4 Bxd4 13.Qxd4 Nc6 14.Qd1 Nf6 
15.O-O Qc5+ 16.Kh1 Rhf8 17.Qf3 Rxf7 18.Be3 Qh5 19.Qxh5 Nxh5 20.Ne4 h6 21.
Rad1 Kc7 22.g3 Nf6 23.Nxf6 Rxf6 24.c4 b6 25.Kg2 Raf8 26.Bd2 Rf5 27.b3 h5 
28.Bc1 b5 29.cxb5 Rxb5 30.Be3 Kb7 31.Rf2 a5 32.Rfd2 Nb4 33.Rc1 Nd5 34.Bf2 
e6 35.Rc4 Rb4 36.Rdc2 Ra8 37.Kf3 Rf8 38.Be1 Rb5 39.Ke2 Ra8 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.09"]
[Round "16"]
[White "Ivkov, Borislav"]
[Black "Barcza, Gedeon"]
[Result "1/2-1/2"]
[ECO "B17"]
[EventDate "1970.06.20"]
[PlyCount "116"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Ne5 Nd7 8.
Bf4 Nxe5 9.Bxe5 Qd5 10.Qd3 f6 11.Bg3 Bf5 12.c4 Bxd3 13.cxd5 Bxf1 14.Rxf1 
O-O-O 15.dxc6 Rxd4 16.cxb7+ Kxb7 17.Ke2 e5 18.f4 Bd6 19.Rad1 Rxd1 20.Rxd1 
exf4 21.Rxd6 fxg3 22.h4 Re8+ 23.Kf3 Kc7 24.Ra6 Kb7 25.Ra4 Rd8 26.Re4 Rd7 
27.Kxg3 Kc6 28.Kf3 h5 29.Ke3 a5 30.Rc4+ Kb6 31.Rc8 Re7+ 32.Kf3 Rd7 33.Ke3 
Re7+ 34.Kf3 Rd7 35.Rb8+ Ka6 36.g3 Rd3+ 37.Kf2 Rd4 38.Ke3 Rg4 39.Kf3 Rd4 
40.Ra8+ Kb6 41.Rg8 Rg4 42.Rb8+ Kc6 43.b3 f5 44.a4 f4 45.gxf4 Rxh4 46.Rb5 
g6 47.Rxa5 Rh3+ 48.Ke4 Rxb3 49.Rg5 Rb4+ 50.Ke5 Rxa4 51.Rxg6+ Kd7 52.Rb6 
Ke7 53.Kf5 h4 54.Kg5 h3 55.Rh6 h2 56.Rxh2 Ra6 57.Rh7+ Kf8 58.Rh6 Rxh6 
1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.09"]
[Round "16"]
[White "Karpov, Anatoly"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "C01"]
[EventDate "1970.06.20"]
[PlyCount "26"]

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bf4 Bf5 5.Bd3 Bxd3 6.Qxd3 c6 7.Nd2 Bd6 8.
Bxd6 Qxd6 9.Ngf3 Ne7 10.O-O Nd7 11.Rfe1 O-O 12.Re2 Ng6 13.g3 Rae8 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.09"]
[Round "16"]
[White "Benko, Pal"]
[Black "Sljussar, Anatoly"]
[Result "1-0"]
[ECO "D35"]
[EventDate "1970.06.20"]
[PlyCount "59"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Nbd7 6.e3 c6 7.Bd3 Be7 8.Qc2 
O-O 9.Nge2 b6 10.O-O Bb7 11.Rfd1 h6 12.Bf4 a6 13.Rac1 c5 14.dxc5 bxc5 15.
Bf5 Nb6 16.Be5 Bd6 17.Bxd6 Qxd6 18.Ne4 Nxe4 19.Bxe4 Rac8 20.Nf4 Rfd8 21.
Bf3 g6 22.h3 Ba8 23.g3 Kg7 24.b3 Kg8 25.Qd2 c4 26.Qd4 cxb3 27.axb3 Rxc1 
28.Rxc1 Qa3 29.Rc7 Qxb3 30.Qf6 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.09"]
[Round "16"]
[White "Kavalek, Lubomir"]
[Black "Addison, William"]
[Result "1/2-1/2"]
[ECO "C81"]
[EventDate "1970.06.20"]
[PlyCount "40"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 
Be6 9.Qe2 Be7 10.Rd1 O-O 11.c4 bxc4 12.Bxc4 Qd7 13.Nc3 Nxc3 14.bxc3 f6 15.
exf6 Bxf6 16.Bg5 Bxc3 17.Rac1 Bf6 18.Bb3 Nd8 19.Qc2 c6 20.Bxf6 Rxf6 
1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.09"]
[Round "16"]
[White "O'Kelly de Galway, Alberic"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "E11"]
[EventDate "1970.06.20"]
[PlyCount "38"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 Nc6 6.Bg2 Bxd2+ 7.Nbxd2 d6 8.
O-O a5 9.e4 e5 10.d5 Nb8 11.Ne1 O-O 12.Nd3 Na6 13.a3 Nc5 14.Nxc5 dxc5 15.
a4 Ne8 16.f4 Nd6 17.Qe2 f6 18.Rfe1 Bd7 19.b3 b6 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.09"]
[Round "16"]
[White "Panno, Oscar"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "E08"]
[EventDate "1970.06.20"]
[PlyCount "23"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.d4 Nbd7 7.Qc2 c6 8.b3 b5 
9.Nbd2 Ba6 10.Bb2 c5 11.cxd5 Nxd5 12.dxc5 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.09"]
[Round "16"]
[White "Sigurjonsson, Gudmundur"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "C85"]
[EventDate "1970.06.20"]
[PlyCount "52"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
c5 9.Nc4 Bd6 10.b3 b5 11.Ne3 Nb6 12.Bb2 Qf6 13.a4 bxa4 14.bxa4 a5 15.Nd2 
Qg6 16.Ndc4 f6 17.Bc3 Be6 18.f3 O-O 19.Qd2 Ra6 20.Bxa5 Nxc4 21.Nxc4 Rfa8 
22.Bc3 Rxa4 23.Rxa4 Rxa4 24.Ra1 Qe8 25.Rxa4 Qxa4 26.Qe2 Bc8 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.09"]
[Round "16"]
[White "Villarroel, Geber"]
[Black "Ciocaltea, Victor"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1970.06.20"]
[PlyCount "112"]

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.Nf3 d6 5.Be2 Nf6 6.O-O O-O 7.a4 a5 8.Bf4 Bg4 
9.Qd2 Nbd7 10.Rad1 Nb6 11.h3 Bxf3 12.Bxf3 Nfd7 13.b3 Re8 14.Be3 e6 15.Be2 
Qe7 16.f4 d5 17.e5 Rec8 18.Bf3 Qb4 19.Nb1 c5 20.Qe2 c4 21.Bd2 Qe7 22.Qe1 
Bf8 23.Bxa5 Rc6 24.Bd2 cxb3 25.cxb3 Rac8 26.Qe3 Nb8 27.Rc1 Rxc1 28.Rxc1 
Nc6 29.Be2 Nd7 30.Nc3 Ndb8 31.Nb5 Qd8 32.Kh2 Na6 33.g4 Nab4 34.f5 Qd7 35.
fxg6 fxg6 36.Kg2 Be7 37.Rf1 Rf8 38.Rxf8+ Bxf8 39.Bd1 Nd8 40.Qe1 Nbc6 41.
Bc2 Nf7 42.Bd3 Be7 43.h4 Qd8 44.Kh3 Qc8 45.Kg2 Qd8 46.g5 Qd7 47.Bb1 Bd8 
48.Be3 Ne7 49.Bc1 Kg7 50.Ba3 h6 51.gxh6+ Nxh6 52.Bxe7 Qxe7 53.Qg3 Qxh4 54.
Qxg6+ Kf8 55.Qxe6 Qg5+ 56.Kf3 Qh5+ 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.09"]
[Round "16"]
[White "Yepez Obando, Olavo"]
[Black "Caro, Alberto"]
[Result "1-0"]
[ECO "C95"]
[EventDate "1970.06.20"]
[PlyCount "93"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.dxe5 dxe5 14.Nh2 Bf8 15.Qf3 
c5 16.Ndf1 Qb6 17.g4 h6 18.Ne3 g6 19.h4 h5 20.g5 Nh7 21.Rd1 Rad8 22.Nd5 
Bxd5 23.Rxd5 Qe6 24.Be3 Nb6 25.Rxd8 Rxd8 26.b3 Be7 27.Kg2 Kg7 28.Qh3 Qc6 
29.Nf3 f6 30.gxf6+ Bxf6 31.Kh2 Rd6 32.Rg1 Nd7 33.Qf5 Bg5 34.Rxg5 Rf6 35.
Qh3 Nxg5 36.Bxg5 Re6 37.Nd2 Nf6 38.f3 Re8 39.Nf1 Nh7 40.Bc1 Nf8 41.Qg3 Qd6
42.Ne3 Kf7 43.Nd5 Ne6 44.f4 exf4 45.Nxf4 Nxf4 46.Bxf4 Qf6 47.Bd6 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.11"]
[Round "17"]
[White "Bisguier, Arthur Bernard"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]
[ECO "D90"]
[EventDate "1970.06.20"]
[PlyCount "31"]

1.c4 Nf6 2.Nc3 g6 3.d4 d5 4.Nf3 Bg7 5.Qa4+ Bd7 6.Qb3 Bc6 7.e3 e6 8.Ne5 
dxc4 9.Bxc4 Bxg2 10.Rg1 Bc6 11.Bxe6 fxe6 12.Qxe6+ Qe7 13.Qc8+ Qd8 14.Qe6+ 
Qe7 15.Qc8+ Qd8 16.Qe6+ 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.11"]
[Round "17"]
[White "Parma, Bruno"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "B12"]
[EventDate "1970.06.20"]
[PlyCount "37"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Ne2 e6 5.Ng3 Bg6 6.c4 Ne7 7.Nc3 dxc4 8.Bxc4 Nf5
9.Nxf5 Bxf5 10.O-O Bg6 11.Be3 Nd7 12.Bb3 Nb6 13.Qe2 Be7 14.Rad1 a5 15.a3 
a4 16.Ba2 Nd5 17.Nxd5 cxd5 18.Rc1 Qd7 19.Rc3 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.11"]
[Round "17"]
[White "Addison, William"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]
[ECO "C42"]
[EventDate "1970.06.20"]
[PlyCount "27"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 Qe7 6.d3 Nf6 7.Bg5 Qxe2+ 8.
Bxe2 Be7 9.Nc3 c6 10.O-O-O Na6 11.Ne4 Nxe4 12.dxe4 Nc5 13.Bxe7 Kxe7 14.Nd2
1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.11"]
[Round "17"]
[White "Barcza, Gedeon"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A10"]
[EventDate "1970.06.20"]
[PlyCount "84"]

1.c4 g6 2.g3 Bg7 3.Bg2 e5 4.Nc3 d6 5.d3 Nd7 6.Nf3 Ngf6 7.O-O O-O 8.Bd2 c6 
9.Rc1 Re8 10.Ne4 Nxe4 11.dxe4 Nc5 12.Ne1 f5 13.exf5 Bxf5 14.Be3 Ne6 15.Nf3
Qe7 16.Qd2 Be4 17.Rfd1 d5 18.cxd5 Bxd5 19.b3 Rad8 20.Qc2 Nd4 21.Nxd4 exd4 
22.Bxd4 Bxg2 23.Kxg2 Bxd4 24.Qc4+ Qe6 25.Rxd4 Qxc4 26.Rcxc4 Rxd4 27.Rxd4 
Rxe2 28.Rd8+ Kf7 29.Rd7+ Re7 30.Rxe7+ Kxe7 31.Kf3 Ke6 32.Ke4 Kf6 33.b4 b6 
34.f4 h5 35.h3 Ke6 36.g4 hxg4 37.hxg4 c5 38.bxc5 bxc5 39.a4 a5 40.Ke3 Kd6 
41.Kd2 Kd5 42.Kd3 c4+ 1/2-1/2

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.11"]
[Round "17"]
[White "Caro, Alberto"]
[Black "Sigurjonsson, Gudmundur"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1970.06.20"]
[PlyCount "74"]

1.e4 g6 2.d4 d6 3.Nc3 Bg7 4.Be3 c6 5.Qd2 b5 6.Bd3 Bb7 7.Nge2 Nd7 8.O-O 
Ngf6 9.Bh6 O-O 10.Bxg7 Kxg7 11.Ng3 e5 12.Nce2 Qb6 13.Qg5 c5 14.c3 Rae8 15.
d5 c4 16.Bc2 Ng8 17.h4 a5 18.Nf5+ Kh8 19.Ne3 Ba6 20.Qg4 Nc5 21.h5 Qd8 22.
Qf3 Nh6 23.g3 Qg5 24.b4 cxb3 25.axb3 b4 26.c4 a4 27.bxa4 b3 28.Bb1 f5 29.
hxg6 fxe4 30.Qh1 Rf3 31.Qh4 Qxh4 32.gxh4 Rg8 33.Ng3 Rxg6 34.Re1 Ng4 35.
Nxg4 Rxg4 36.Bxe4 Nxe4 37.Rxe4 Rfxg3+ 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.11"]
[Round "17"]
[White "Cuellar Gacharna, Miguel"]
[Black "Benko, Pal"]
[Result "0-1"]
[ECO "A26"]
[EventDate "1970.06.20"]
[PlyCount "112"]

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Rb1 a5 7.a3 f5 8.h4 h6 9.Bd2
Nf6 10.b4 axb4 11.axb4 O-O 12.Qc1 Kh7 13.b5 Nd4 14.Nf3 Ne6 15.Nd5 Nh5 16.
Bc3 Bd7 17.Nd2 Nc5 18.Bb4 Ne6 19.Bf3 c6 20.Bxh5 gxh5 21.Ne3 Qe7 22.Qd1 Rf7
23.Nf3 f4 24.Nf1 c5 25.Bd2 Rd8 26.Bc1 b6 27.N1d2 Bc8 28.Ne4 Bb7 29.Nfd2 
Rdf8 30.Ra1 Nd4 31.Ra7 Qe6 32.Ra2 d5 33.cxd5 Bxd5 34.Rb2 fxg3 35.fxg3 Nf5 
36.Nf1 Qg6 37.Rg1 Bxe4 38.dxe4 Nd6 39.Qd3 c4 40.Qe3 Nxe4 41.Ra2 Qf5 42.Nd2
Nxd2 43.Kxd2 Qd7+ 44.Ke1 Qxb5 45.Qe4+ Kg8 46.Rc2 Qb4+ 47.Bd2 Qb1+ 48.Bc1 
c3 49.g4 hxg4 50.h5 b5 51.Qg6 e4 52.Rxc3 Qa1 53.Rc6 Kh8 54.Qd6 Bc3+ 55.
Rxc3 Qxc3+ 56.Qd2 Qg3+ 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.11"]
[Round "17"]
[White "Sljussar, Anatoly"]
[Black "O'Kelly de Galway, Alberic"]
[Result "0-1"]
[ECO "E21"]
[EventDate "1970.06.20"]
[PlyCount "46"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 c5 5.Bd2 cxd4 6.Nxd4 Nc6 7.Nxc6 bxc6 8.e3
O-O 9.Qc2 d5 10.cxd5 exd5 11.Be2 Bd6 12.Bf3 Re8 13.Qa4 Rb8 14.O-O Rxb2 15.
Bc1 Rb4 16.Qc2 Rc4 17.Bb2 Bg4 18.Qe2 Bxf3 19.Qxf3 Qb8 20.Nd1 Bxh2+ 21.Kh1 
Rh4 22.g3 Bxg3+ 23.Kg2 Be5 0-1

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.11"]
[Round "17"]
[White "Stein, Leonid"]
[Black "Villarroel, Geber"]
[Result "1-0"]
[ECO "A14"]
[EventDate "1970.06.20"]
[PlyCount "95"]

1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.b3 O-O 7.Bb2 c5 8.e3 Nc6 
9.Nc3 d5 10.cxd5 Nxd5 11.Nxd5 exd5 12.d4 cxd4 13.Nxd4 Nxd4 14.Bxd4 Ba6 15.
Qg4 Bf6 16.Rfd1 Bb7 17.Qf5 Bxd4 18.Rxd4 g6 19.Qd3 Qe7 20.Bxd5 Bxd5 21.Rxd5
Rac8 22.Rd1 Rc7 23.Rd7 Rxd7 24.Qxd7 Re8 25.Rd4 h5 26.Kg2 a6 27.Qxe7 Rxe7 
28.Rd6 Rb7 29.Kf3 Kf8 30.Ke4 Ke7 31.Rc6 a5 32.h4 a4 33.bxa4 Ra7 34.Rc4 Kd6
35.Rd4+ Kc6 36.Kd3 Ra5 37.Kc3 f5 38.Kd3 Kc7 39.a3 Kc6 40.Ke2 Kc7 41.Kf3 
Rc5 42.Kf4 Rc2 43.f3 Rc3 44.e4 fxe4 45.fxe4 Rxa3 46.e5 Ra1 47.Kg5 Rg1 48.
Rd3 1-0

[Event "Presidente Cup"]
[Site "Caracas VEN"]
[Date "1970.07.11"]
[Round "17"]
[White "Ciocaltea, Victor"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[EventDate "1970.06.20"]
[PlyCount "0"]

1-0
