[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "1"]
[White "Cadena, Jorge"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "D90"]
[EventDate "1963.07.31"]
[PlyCount "58"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.cxd5 Nxd5 6.g3 c5 7.Bg2 Nc6 8.Nxd5 
Qxd5 9.dxc5 Qxd1+ 10.Kxd1 Bf5 11.Nd2 O-O-O 12.Bxc6 bxc6 13.f3 Bd4 14.g4 
Be6 15.Kc2 h5 16.Nb3 hxg4 17.Nxd4 Rxd4 18.Bd2 gxf3 19.Bc3 Rc4 20.exf3 Rh3 
21.Rae1 Rxc5 22.Re3 Rf5 23.Be5 Rfxf3 24.Rxf3 Rxf3 25.Kd2 Rf5 26.Bc3 a6 27.
a3 Bd5 28.Re1 Rf2+ 29.Kd3 Kd7 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "1"]
[White "De Greiff, Boris"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "E12"]
[EventDate "1963.07.31"]
[PlyCount "60"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.Bg5 Be7 6.e3 O-O 7.Bd3 c5 8.O-O cxd4
9.exd4 d5 10.Bxf6 Bxf6 11.cxd5 exd5 12.Qb3 Nc6 13.Qxd5 Qxd5 14.Nxd5 Bxd4 
15.Rac1 Bc5 16.Rfd1 Rad8 17.Be4 Nb4 18.Ne7+ Bxe7 19.Bxb7 Nxa2 20.Rxd8 Rxd8
21.Rc8 Rxc8 22.Bxc8 Bf6 23.b3 Nc1 24.b4 Na2 25.b5 Nc3 26.Bd7 Kf8 27.Kf1 
Ke7 28.Bc6 Kd6 29.Nd2 a5 30.bxa6 Kxc6 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "1"]
[White "Etcheverry, Eduardo"]
[Black "Garcia, Gilberto"]
[Result "1-0"]
[ECO "E94"]
[EventDate "1963.07.31"]
[PlyCount "55"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Nbd7 7.O-O e5 8.Bg5 c6 
9.dxe5 dxe5 10.Qd2 Re8 11.Rad1 Qa5 12.Rfe1 Nc5 13.Bxf6 Bxf6 14.b4 Qxb4 15.
Nd5 Qxd2 16.Nxf6+ Kf8 17.Rxd2 Re7 18.Rd8+ Kg7 19.Ne8+ Kh6 20.Nd6 f6 21.
Rxc8 Rxc8 22.Nxc8 Re6 23.Rb1 a5 24.h4 Nxe4 25.Rxb7 Nc3 26.Bf1 Nxa2 27.g4 
Re8 28.Nd6 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "1"]
[White "Foguelman, Alberto"]
[Black "Lopez, Mario Dario"]
[Result "1/2-1/2"]
[ECO "E67"]
[EventDate "1963.07.31"]
[PlyCount "142"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Nf3 O-O 5.Bg2 d6 6.O-O Nbd7 7.Nc3 c6 8.Qc2 e6 
9.e4 a6 10.b3 Qc7 11.Bb2 e5 12.Rad1 b6 13.Ba3 c5 14.dxe5 dxe5 15.Bc1 Re8 
16.Nh4 Nf8 17.f4 Bg4 18.Nf3 Bxf3 19.Bxf3 Rad8 20.fxe5 Qxe5 21.Bf4 Qe6 22.
Rxd8 Rxd8 23.e5 Nh5 24.Bd5 Qg4 25.Ne4 Nxf4 26.Rxf4 Qh5 27.Bxf7+ Kh8 28.e6 
Qe5 29.Rh4 Bf6 30.Rf4 Bg7 31.e7 Qxe7 32.Bd5 Ne6 33.Rf1 Nd4 34.Qd3 Rf8 35.
Rxf8+ Bxf8 36.Qf1 Kg7 37.Kg2 Nf5 38.Qf4 Nd6 39.Nxd6 Qxd6 40.Qxd6 Bxd6 41.
Bb7 a5 42.Kf3 Bc7 43.Ke4 h5 44.Kd5 Kf7 45.Kc6 Bd8 46.Kd7 Bf6 47.Bd5+ Kf8 
48.Kc7 Bc3 49.Kxb6 Bb4 50.Kb5 g5 51.Ka4 Ke7 52.a3 Be1 53.Kb5 Kd6 54.h4 
gxh4 55.gxh4 Bd2 56.Bf7 Bc1 57.Ka4 Kc6 58.Bxh5 Kb6 59.Be8 Bd2 60.h5 Ka6 
61.Bd7 Kb6 62.Bb5 Bc1 63.b4 axb4 64.axb4 Bd2 65.bxc5+ Kxc5 66.Kb3 Kd6 67.
Kc2 Bf4 68.Kd3 Ke5 69.c5 Kf6 70.Ke4 Bh2 71.Be8 Kg7 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "1"]
[White "Gadia, Olicio"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "B20"]
[EventDate "1963.07.31"]
[PlyCount "80"]

1.e4 c5 2.d3 Nc6 3.g3 d5 4.Nd2 Nf6 5.Bg2 e6 6.Ngf3 dxe4 7.dxe4 b6 8.O-O 
Ba6 9.Re1 Rc8 10.c3 Bd3 11.e5 Nd7 12.Nf1 c4 13.b4 Qc7 14.Bf4 b5 15.Qd2 Nb6
16.Ne3 Rd8 17.Rad1 Be7 18.h4 O-O 19.Nc2 Nd5 20.Ncd4 Ndxb4 21.Nxb5 Qa5 22.
Nfd4 Qb6 23.Be3 Nxd4 24.Nxd4 Nd5 25.Nf5 Bc5 26.Bxc5 Qxc5 27.Nd6 Rb8 28.Be4
f6 29.Bxd3 cxd3 30.Ne4 Qa5 31.Qxd3 f5 32.Ng5 Nxc3 33.Nxe6 Nxd1 34.Nxf8 
Qxe1+ 35.Qf1 Qxf1+ 36.Kxf1 Rxf8 37.Ke2 Nc3+ 38.Kd3 Ne4 39.Ke3 Nc5 40.Kd4 
Ne6+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "1"]
[White "Ortega, Rogelio"]
[Black "Estrada Degrandi, Walter"]
[Result "1-0"]
[ECO "B07"]
[EventDate "1963.07.31"]
[PlyCount "73"]

1.e4 d6 2.d4 Nf6 3.Bd3 e5 4.c3 g6 5.Nf3 Nbd7 6.Nbd2 Bg7 7.Nf1 O-O 8.dxe5 
dxe5 9.Qe2 Nc5 10.Bc2 Bg4 11.Bd2 Qd6 12.O-O-O Qc6 13.Ng3 Nh5 14.h3 Nxg3 
15.fxg3 Be6 16.Kb1 b5 17.h4 h5 18.Qe3 Rad8 19.Bc1 a5 20.Ng5 Bh6 21.Rxd8 
Rxd8 22.Nxe6 Bxe3 23.Nxd8 Qa8 24.Bxe3 Nxe4 25.Rd1 Nd6 26.Bg5 Qxg2 27.a4 
bxa4 28.Bxa4 Qe4+ 29.Bc2 Qf3 30.Bb3 e4 31.Nxf7 Nxf7 32.Rd7 Qf1+ 33.Ka2 a4 
34.Bxf7+ Kh8 35.Rxc7 a3 36.Be3 Qg2 37.Bd4+ 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "1"]
[White "Vergara, Alejandro"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "B43"]
[EventDate "1963.07.31"]
[PlyCount "87"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bd3 Qc7 7.O-O Nc6 8.Nde2 
Bd6 9.Kh1 Bc5 10.Bf4 Ne5 11.h3 O-O 12.Bh2 b5 13.f4 Nxd3 14.cxd3 Bb7 15.Rc1
Qb6 16.f5 Be3 17.Rc2 d6 18.Ng3 Rac8 19.Re2 b4 20.Na4 Qd4 21.Qb3 e5 22.Rd1 
d5 23.Nf1 Bf2 24.Rdd2 Rc1 25.Rxf2 dxe4 26.dxe4 Rxf1+ 27.Rxf1 Qxd2 28.Nc5 
Bxe4 29.Nxe4 Nxe4 30.Bxe5 Re8 31.Qc4 Qe3 32.Qc6 Nf2+ 33.Rxf2 Qxe5 34.Qxa6 
h6 35.f6 Qg3 36.Rf1 Re6 37.Qc8+ Kh7 38.Qxe6 fxe6 39.f7 b3 40.axb3 Qxb3 41.
f8=Q Qxb2 42.Qf7 Qe5 43.Qf4 Qd5 44.Re1 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "2"]
[White "Calero, Carlos"]
[Black "Foguelman, Alberto"]
[Result "1-0"]
[ECO "D96"]
[EventDate "1963.07.31"]
[PlyCount "145"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.Bf4 c6 8.e3 
Be6 9.Qb4 Qb6 10.Qxb6 axb6 11.Ng5 Bc8 12.Bc4 Nbd7 13.O-O Nh5 14.Bc7 Nhf6 
15.Rfd1 Ne8 16.Bg3 b5 17.Bb3 Nb6 18.Nge4 b4 19.Ne2 Na4 20.Bxa4 Rxa4 21.Nc5
Ra5 22.Nd3 Rb5 23.Rac1 Nd6 24.b3 Bf5 25.Nc5 Ra8 26.Rd2 Bf8 27.Re1 Rba5 28.
Nc1 b6 29.Bxd6 exd6 30.N5d3 d5 31.f3 Bxd3 32.Rxd3 Bh6 33.Kf2 Kf8 34.Re2 
Ke7 35.Rc2 Kd6 36.Rdd2 c5 37.f4 cxd4 38.Rxd4 Rc5 39.Rdd2 Rac8 40.Rxc5 bxc5
41.e4 d4 42.Kf3 Bg7 43.Ne2 Kc6 44.g4 Ra8 45.Nc1 Rf8 46.Nd3 f5 47.gxf5 gxf5
48.e5 Kb5 49.Nb2 Rf7 50.Nc4 Bf8 51.Rg2 Kc6 52.h4 Kd5 53.h5 Ke6 54.Rg8 Kd7 
55.Ke2 Ke6 56.Kd3 Kd7 57.Ke2 Ke6 58.Kf3 Kd5 59.Nb2 Ke6 60.Nd3 Kd5 61.Nb2 
Ke6 62.Na4 Kd5 63.Nb6+ Ke6 64.Rh8 Ke7 65.Nd5+ Ke6 66.Nf6 h6 67.Kf2 Bg7 68.
Re8+ Re7 69.Rd8 Ra7 70.Rd6+ Kf7 71.Nd5 Rxa2+ 72.Kf3 Ra7 73.e6+ 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "2"]
[White "Cobo Arteaga, Eldis"]
[Black "Ortega, Rogelio"]
[Result "1-0"]
[ECO "E50"]
[EventDate "1963.07.31"]
[PlyCount "129"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 Nc6 7.O-O d6 8.a3 Bxc3 
9.bxc3 e5 10.Qc2 Qe7 11.e4 cxd4 12.cxd4 exd4 13.Bb2 Ne5 14.Nd2 Be6 15.f4 
Nc6 16.Nf3 Ng4 17.Nxd4 Nxd4 18.Bxd4 Rfc8 19.h3 Nf6 20.Qe2 Rc7 21.Rac1 Rac8
22.f5 Bd7 23.Bxa7 b5 24.Bd4 bxc4 25.Rxc4 Rxc4 26.Bxc4 Qxe4 27.Qxe4 Nxe4 
28.Ba6 Re8 29.f6 gxf6 30.Bxf6 d5 31.Bb7 Be6 32.Bd4 Rb8 33.Bc6 Rb3 34.a4 
Ra3 35.Rd1 Ng3 36.Ra1 Ne2+ 37.Kf2 Nxd4 38.Rxa3 Nxc6 39.a5 d4 40.a6 Na7 41.
Ra4 Nc6 42.a7 Nxa7 43.Rxa7 d3 44.Ke3 Bf5 45.Kf4 Bg6 46.h4 Kg7 47.Rd7 Kf6 
48.Rd6+ Kg7 49.g3 h6 50.Rd5 h5 51.Kg5 Be4 52.Rd7 Bf3 53.Rxd3 Be2 54.Rd6 
Bg4 55.Kf4 Be2 56.Ke5 Bg4 57.Rf6 Bd7 58.Rf4 Be6 59.Kd6 Kf8 60.Rb4 Bh3 61.
Rb8+ Kg7 62.Ke7 Bf1 63.Rb4 Bd3 64.Rf4 Bg6 65.Rf2 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "2"]
[White "Estrada Degrandi, Walter"]
[Black "Vergara, Alejandro"]
[Result "1/2-1/2"]
[ECO "A48"]
[EventDate "1963.07.31"]
[PlyCount "73"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 d6 4.Nbd2 Bg7 5.e4 O-O 6.Bc4 c6 7.Bb3 Nbd7 8.h3 
Nh5 9.Bh2 e5 10.g4 Nf4 11.Bxf4 exf4 12.c3 Re8 13.Qc2 a5 14.a4 Rb8 15.O-O 
Nf6 16.Rfe1 d5 17.exd5 cxd5 18.Rxe8+ Nxe8 19.Re1 Nf6 20.c4 h5 21.cxd5 hxg4
22.hxg4 Bxg4 23.d6 Qxd6 24.Qxg6 Bh5 25.Ne4 Bxg6 26.Nxd6 Bf8 27.Ne5 Bxd6 
28.Nxg6 b5 29.Ne5 bxa4 30.Bxf7+ Kg7 31.Be6 a3 32.bxa3 Bxa3 33.Kg2 Rd8 34.
Rb1 Bb4 35.Nc6 Rd6 36.Nxb4 axb4 37.d5 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "2"]
[White "Gadia, Olicio"]
[Black "Cadena, Jorge"]
[Result "0-1"]
[ECO "B91"]
[EventDate "1963.07.31"]
[PlyCount "94"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 g6 7.Bg2 Bg7 8.O-O O-O
9.h3 Bd7 10.Be3 Nc6 11.Nde2 Ne5 12.b3 Rc8 13.Qd2 b5 14.Rac1 Bxh3 15.f4 
Bxg2 16.fxe5 Nxe4 17.Nxe4 Bxe4 18.e6 fxe6 19.Rxf8+ Bxf8 20.Nd4 Qd7 21.Rf1 
e5 22.Qf2 Bf5 23.Nxf5 gxf5 24.Qe2 e6 25.Rf2 d5 26.Qh5 Qf7 27.Qh3 Bc5 28.
Bxc5 Rxc5 29.Qh4 Rc8 30.Rh2 Qg7 31.Qb4 e4 32.c4 dxc4 33.Qd6 Re8 34.bxc4 
Qa1+ 35.Kg2 Qxa2+ 36.Kg1 Qa1+ 37.Kg2 Qf6 38.cxb5 axb5 39.Qd7 Qe7 40.Qxb5 
Rd8 41.Rh5 Qg7 42.Qa5 Rb8 43.Rh4 Qb2+ 44.Kh3 Qb1 45.Qd2 Qh1+ 46.Qh2 Qxh2+ 
47.Kxh2 Kg7 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "2"]
[White "Jimenez Zerquera, Eleazar"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "D25"]
[EventDate "1963.07.31"]
[PlyCount "46"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 5.Bxc4 e6 6.Qb3 Bxf3 7.gxf3 Nbd7 8.
Nc3 Nb6 9.Be2 Be7 10.O-O O-O 11.Rd1 Qc8 12.e4 c5 13.Be3 cxd4 14.Bxd4 Bc5 
15.Be5 Rd8 16.Qb5 Rxd1+ 17.Rxd1 a6 18.Qd3 Qc6 19.Bg3 Be7 20.f4 Rd8 21.Qc2 
Rxd1+ 22.Bxd1 Bb4 23.Qd3 Qd7 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "2"]
[White "Letelier Martner, Rene"]
[Black "Garcia, Gilberto"]
[Result "1-0"]
[ECO "C05"]
[EventDate "1963.07.31"]
[PlyCount "115"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.Nce2 c5 6.c3 Nc6 7.f4 Qb6 8.Nf3 Be7 
9.g3 f6 10.Bh3 Nf8 11.O-O f5 12.b3 Bd7 13.Be3 cxd4 14.Nexd4 Qa6 15.Rf2 Qa5
16.b4 Qd8 17.Nb3 h6 18.Bf1 g5 19.Rg2 g4 20.Nfd4 Nxd4 21.Qxd4 h5 22.Rd1 b6 
23.Ba6 Qc7 24.Rc1 Qc6 25.Bf1 Qa4 26.Qd1 Rc8 27.Qd3 Rc4 28.Qd2 Rc8 29.Qd3 
h4 30.Rgc2 hxg3 31.hxg3 Qc6 32.Nd4 Qb7 33.Bg2 b5 34.Nb3 Rc7 35.Bc5 Bc6 36.
Bxe7 Rxe7 37.Na5 Qc7 38.Qd4 Ba8 39.a4 a6 40.axb5 axb5 41.c4 bxc4 42.Nxc4 
dxc4 43.Rxc4 Qa7 44.Rc8+ Kf7 45.Qxa7 Rxa7 46.R8c7+ Rxc7 47.Rxc7+ Ke8 48.
Rc8+ Kd7 49.Rxa8 Kc7 50.b5 Kb6 51.Rb8+ Kc7 52.Rb7+ Kc8 53.Bc6 Rh7 54.Rxh7 
Nxh7 55.Kf2 Nf8 56.Ke3 Kc7 57.Kd4 Kb6 58.Be8 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "2"]
[White "Lopez, Mario Dario"]
[Black "Etcheverry, Eduardo"]
[Result "0-1"]
[ECO "B12"]
[EventDate "1963.07.31"]
[PlyCount "66"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Be3 Qb6 5.b3 e6 6.a3 c5 7.Bd3 Bg6 8.Bxg6 hxg6 
9.Ne2 Nc6 10.c3 Nh6 11.b4 cxd4 12.cxd4 Nf5 13.Nbc3 Be7 14.Rc1 Rc8 15.Na4 
Qd8 16.Qb3 Bg5 17.g3 Bxe3 18.fxe3 Qg5 19.b5 Nce7 20.Rxc8+ Nxc8 21.Kf2 Nh6 
22.Qc3 O-O 23.Kg2 f6 24.Rf1 Qg4 25.Rf3 Nf5 26.Rf2 fxe5 27.Nc5 Ncd6 28.dxe5
Nc4 29.Qd3 Nh4+ 30.Kf1 Rxf2+ 31.Kxf2 Qf3+ 32.Ke1 Ng2+ 33.Kd1 Ngxe3+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "3"]
[White "Cadena, Jorge"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "D04"]
[EventDate "1963.07.31"]
[PlyCount "80"]

1.d4 d5 2.Nf3 c5 3.e3 Nf6 4.Nbd2 g6 5.Bb5+ Bd7 6.Bxd7+ Nbxd7 7.O-O Bg7 8.
Re1 O-O 9.c3 Re8 10.b3 e5 11.Nxe5 Nxe5 12.dxe5 Rxe5 13.Bb2 Ne4 14.f3 Nd6 
15.Nf1 Nf5 16.Qd2 h5 17.Rad1 Bh6 18.f4 Re4 19.Qxd5 Qxd5 20.Rxd5 Bxf4 21.
Rxc5 Rae8 22.Bc1 Be5 23.c4 b6 24.Rd5 Bd6 25.Red1 Bc5 26.Rd8 Nxe3 27.Rxe8+ 
Rxe8 28.Bxe3 Bxe3+ 29.Nxe3 Rxe3 30.Rd7 a5 31.Rd6 Re1+ 32.Kf2 Rb1 33.Rxb6 
Rb2+ 34.Kf3 Rxa2 35.c5 Kf8 36.Rb7 Ke8 37.h4 Rc2 38.Rb5 Kd7 39.Rxa5 Rc3+ 
40.Ke4 Rxb3 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "3"]
[White "De Greiff, Boris"]
[Black "Gadia, Olicio"]
[Result "0-1"]
[ECO "B93"]
[EventDate "1963.07.31"]
[PlyCount "82"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.f5 b5 8.a3 Bb7 
9.Bd3 Nc6 10.Nxc6 Bxc6 11.O-O g6 12.Qf3 Bg7 13.Nd5 Bxd5 14.exd5 O-O 15.Bg5
Nd7 16.c3 Ne5 17.Qe4 a5 18.Rad1 Rab8 19.Kh1 Rb7 20.h4 Nxd3 21.Rxd3 Qc4 22.
Qxc4 bxc4 23.Rdf3 gxf5 24.Rxf5 e6 25.dxe6 fxe6 26.Rxf8+ Bxf8 27.Bc1 h5 28.
g3 Rf7 29.Rxf7 Kxf7 30.a4 Be7 31.Be3 Bd8 32.Kg2 Kg6 33.Kf3 Kf5 34.Ba7 Bc7 
35.Bg1 d5 36.Bc5 e5 37.Ba7 e4+ 38.Kg2 Kg4 39.Bf2 Bd8 40.Bd4 Bc7 41.Bf2 Bd8
0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "3"]
[White "Etcheverry, Eduardo"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "D61"]
[EventDate "1963.07.31"]
[PlyCount "157"]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 e6 5.Bg5 Nbd7 6.Qc2 Be7 7.e3 O-O 8.Bd3 h6 
9.Bh4 Re8 10.O-O dxc4 11.Bxc4 Nd5 12.Bxe7 Qxe7 13.e4 N5b6 14.Bb3 Nf6 15.
Rac1 Rd8 16.Rfd1 Bd7 17.e5 Nfd5 18.Ne4 Nf4 19.Nd6 Be8 20.g3 Ng6 21.Nd2 
Rxd6 22.exd6 Qxd6 23.Ne4 Qe7 24.Qc5 Nd7 25.Qd6 Ndf8 26.Qxe7 Nxe7 27.Nd6 
Rb8 28.f4 g6 29.g4 Bd7 30.Kf2 Kg7 31.Rg1 Nc8 32.Nc4 Kf6 33.g5+ hxg5 34.
fxg5+ Ke7 35.Ke3 Nd6 36.Nxd6 Kxd6 37.Rcf1 Ke7 38.Rg4 Be8 39.Re4 Rd8 40.Rc1
Kd6 41.a4 a5 42.Rc5 b6 43.Rc1 Nd7 44.Bd1 Nb8 45.h4 Ke7 46.Be2 Bd7 47.Rf1 
Rh8 48.Rh1 c5 49.d5 Kd6 50.dxe6 Bxe6 51.Rd1+ Kc7 52.Bc4 Bxc4 53.Rxc4 Nc6 
54.Rf1 Rh7 55.Rcf4 Nd8 56.Ke4 Kd7 57.Kd5 Ke7 58.Re4+ Kd7 59.Rf6 Ne6 60.b3 
Nc7+ 61.Kc4 Ne6 62.Kb5 Nc7+ 63.Kc4 Ne6 64.Kd5 Nc7+ 65.Ke5 Ne6 66.Rxe6 fxe6
67.Kf6 Rh8 68.Kxg6 Ke7 69.Kg7 Rd8 70.h5 Rd4 71.h6 Rxe4 72.h7 Rh4 73.h8=Q 
Rxh8 74.Kxh8 b5 75.g6 c4 76.bxc4 bxc4 77.g7 Kd6 78.g8=Q Kd5 79.Qd8+ 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "3"]
[White "Foguelman, Alberto"]
[Black "Estrada Degrandi, Walter"]
[Result "1/2-1/2"]
[ECO "A98"]
[EventDate "1963.07.31"]
[PlyCount "52"]

1.d4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O O-O 6.c4 d6 7.Nc3 Qe8 8.Qc2 Qh5 
9.Bg5 e5 10.dxe5 dxe5 11.Rad1 e4 12.Bxf6 Bxf6 13.Nd4 Bxd4 14.Rxd4 Nc6 15.
Rdd1 Be6 16.Nd5 Qf7 17.f3 exf3 18.Bxf3 Ne5 19.b3 Nxf3+ 20.Rxf3 Bxd5 21.
Rxd5 g6 22.Qd2 Rae8 23.Rd7 Qe6 24.Kf2 Rf7 25.Rxf7 Kxf7 26.Rd3 Re7 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "3"]
[White "Garcia, Gilberto"]
[Black "Lopez, Mario Dario"]
[Result "1-0"]
[ECO "B45"]
[EventDate "1963.07.31"]
[PlyCount "79"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 Bb4 7.Nd6+ Ke7 8.
Bf4 Qa5 9.f3 Bxc3+ 10.bxc3 Qxc3+ 11.Bd2 Qc5 12.Nb5 d5 13.Bc1 Kd7 14.Qd2 a6
15.Ba3 Qb6 16.Nd6 Qd4 17.Qxd4 Nxd4 18.O-O-O Nb5 19.Nxb5 axb5 20.Bxb5+ Kc7 
21.Kb2 b6 22.e5 Ne8 23.c4 Bb7 24.Rc1 Kd8 25.cxd5 Bxd5 26.Bc6 Bxc6 27.Rxc6 
Nc7 28.Rxb6 Kc8 29.Rc1 Rd8 30.Bd6 Rd7 31.Rbc6 Ra7 32.Bxc7 Rdxc7 33.Rxc7+ 
Rxc7 34.Rxc7+ Kxc7 35.Kb3 f6 36.f4 Kc6 37.Kc4 h5 38.h4 fxe5 39.fxe5 Kb6 
40.a4 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "3"]
[White "Ortega, Rogelio"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "C84"]
[EventDate "1963.07.31"]
[PlyCount "47"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 exd4 7.e5 Ne4 8.Nxd4 
O-O 9.Nf5 d5 10.exd6 Bxf5 11.dxe7 Nxe7 12.Nd2 Ng6 13.Nxe4 Bxe4 14.Be3 Qxd1
15.Raxd1 Rfd8 16.f3 Bf5 17.Kf2 Be6 18.Bb3 Bxb3 19.axb3 f6 20.g3 Kf7 21.
Rfe1 Nf8 22.Rd2 Rxd2+ 23.Bxd2 Rd8 24.Bc3 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "3"]
[White "Vergara, Alejandro"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "B47"]
[EventDate "1963.07.31"]
[PlyCount "116"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2 Nc6 8.Nde2 
b5 9.a3 Bb7 10.O-O Be7 11.Bf4 d6 12.h3 O-O 13.g4 h6 14.Qe1 Rad8 15.Rd1 b4 
16.axb4 Nxb4 17.Rd2 Qc8 18.Ng3 Rfe8 19.Qe2 e5 20.Be3 d5 21.exd5 Nbxd5 22.
Nxd5 Nxd5 23.Nf5 Bf8 24.Rfd1 Nxe3 25.Rxd8 Rxd8 26.Rxd8 Qxd8 27.Nxe3 Bc8 
28.Bd5 Qc7 29.Qc4 Qxc4 30.Nxc4 e4 31.Bxe4 Bc5 32.Bd5 Kf8 33.c3 Ke7 34.b4 
Ba7 35.Na5 Bb6 36.Nc4 Bc7 37.Kg2 Be6 38.Ne3 Be5 39.c4 Bc3 40.Bxe6 fxe6 41.
Nc2 Kd6 42.Kf3 a5 43.bxa5 Bxa5 44.Ke4 Bc3 45.Nd4 Kc5 46.Nxe6+ Kxc4 47.Nf4 
Bd4 48.f3 Bb2 49.Nh5 Kc5 50.Kf5 Kd4 51.Nxg7 Ke3 52.Ne6 Kxf3 53.h4 Kg3 54.
h5 Kh4 55.Nf8 Bc3 56.Nd7 Bb2 57.Nf6 Bc1 58.Ne4 Be3 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "4"]
[White "Cadena, Jorge"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "A45"]
[EventDate "1963.07.31"]
[PlyCount "78"]

1.d4 Nf6 2.Nd2 d5 3.Ngf3 g6 4.g3 Bg7 5.Bg2 c5 6.c3 cxd4 7.cxd4 O-O 8.O-O 
Nc6 9.b3 Qb6 10.Bb2 Bf5 11.Rc1 Rac8 12.a3 a5 13.Re1 Rfe8 14.e3 Be4 15.Qe2 
Na7 16.Rc5 Nd7 17.Rxc8 Rxc8 18.Nxe4 dxe4 19.Nd2 Rc2 20.Bc1 f5 21.Qd1 Rc8 
22.Nc4 Qc7 23.a4 b5 24.axb5 Nxb5 25.Bb2 e6 26.Bf1 Bf8 27.d5 Bb4 28.dxe6 
Nf8 29.e7 Qxe7 30.Qd5+ Qe6 31.Rd1 Qxd5 32.Rxd5 Nc7 33.Nb6 Nxd5 34.Nxc8 Ne6
35.Bc4 Ndc7 36.Nb6 Kf8 37.Nd5 Nxd5 38.Bxd5 Nc7 39.Bc4 Ne8 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "4"]
[White "Calero, Carlos"]
[Black "Garcia, Gilberto"]
[Result "0-1"]
[ECO "E17"]
[EventDate "1963.07.31"]
[PlyCount "100"]

1.d4 Nf6 2.c4 e6 3.Nc3 b6 4.Nf3 Be7 5.g3 Bb7 6.Bg2 O-O 7.Qc2 d5 8.cxd5 
exd5 9.O-O Nbd7 10.Nh4 g6 11.Bg5 Re8 12.Rac1 Nf8 13.e3 Ne6 14.Bxf6 Bxf6 
15.Nf3 c5 16.dxc5 bxc5 17.Rfd1 d4 18.Ne4 Bxe4 19.Qxe4 Qb6 20.b3 dxe3 21.
fxe3 Nd4 22.Qd3 c4 23.Qf1 Nf5 24.Qf2 Nxe3 25.Re1 c3 26.Kh1 Rad8 27.Bf1 Kg7
28.Re2 c2 29.Rexc2 Nxc2 30.Qxb6 axb6 31.Rxc2 Rc8 32.Rf2 Rc5 33.a4 Rf5 34.
Kg2 Re3 35.Bc4 Be7 36.g4 Rf4 37.h3 Rc3 38.Bd5 Bc5 39.Rd2 h6 40.Kg3 Rd4 41.
Rxd4 Bxd4 42.Kf4 Bc5 43.h4 f6 44.Kg3 Rc2 45.h5 Bd6+ 46.Kh3 Rc5 47.Bc4 gxh5
48.Nd4 hxg4+ 49.Kxg4 Kh8 50.Nf5 h5+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "4"]
[White "Cobo Arteaga, Eldis"]
[Black "Foguelman, Alberto"]
[Result "1/2-1/2"]
[ECO "E64"]
[EventDate "1963.07.31"]
[PlyCount "114"]

1.d4 Nf6 2.c4 g6 3.g3 c5 4.d5 Bg7 5.Bg2 d6 6.Nc3 O-O 7.Nf3 Na6 8.O-O Nc7 
9.a4 Rb8 10.Bf4 Nh5 11.Bd2 e5 12.e4 a6 13.a5 b5 14.axb6 Rxb6 15.Na4 Rb8 
16.Ne1 Bd7 17.Nd3 f5 18.f3 fxe4 19.fxe4 Rxf1+ 20.Kxf1 Qf8+ 21.Kg1 Bh6 22.
Qc1 Bxd2 23.Qxd2 Nf6 24.b4 cxb4 25.Nxb4 Bxa4 26.Rxa4 Nd7 27.Ra1 Nc5 28.Nc6
Re8 29.Qe3 Qg7 30.Rb1 Rf8 31.Bh3 h6 32.Bg2 Kh7 33.Bh3 Kg8 34.Bg2 g5 35.Bh3
g4 36.Bg2 Kh7 37.Rf1 Rxf1+ 38.Bxf1 Qf6 39.Bg2 Kg6 40.h4 Kg7 41.Qa3 Ne8 42.
Qa5 Qf8 43.Qd8 Nf6 44.Qc7+ Nfd7 45.Nd8 Kf6 46.Bh1 Ke7 47.Nc6+ Kf6 48.Nd8 
h5 49.Bg2 Ke7 50.Nc6+ Kf7 51.Nd8+ Kg6 52.Nc6 Kh6 53.Nd8 Kg6 54.Nc6 Kh6 55.
Nd8 Qf6 56.Nc6 Kg6 57.Qc8 Qf8 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "4"]
[White "Estrada Degrandi, Walter"]
[Black "Etcheverry, Eduardo"]
[Result "1/2-1/2"]
[ECO "B18"]
[EventDate "1963.07.31"]
[PlyCount "51"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Bc4 Nd7 7.h4 h6 8.N1e2 
e5 9.c3 exd4 10.cxd4 Bb4+ 11.Bd2 Qa5 12.h5 Bxd2+ 13.Qxd2 Qxd2+ 14.Kxd2 Bh7
15.Rhe1 Ne7 16.Nf4 Nb6 17.Bb3 Rd8 18.Kc3 Rd7 19.Rad1 O-O 20.Ne4 Bxe4 21.
Rxe4 Ned5+ 22.Nxd5 Nxd5+ 23.Bxd5 Rxd5 24.Re5 Rfd8 25.Rxd5 Rxd5 26.g4 
1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "4"]
[White "Gadia, Olicio"]
[Black "Ortega, Rogelio"]
[Result "1-0"]
[ECO "B23"]
[EventDate "1963.07.31"]
[PlyCount "68"]

1.e4 c5 2.Nc3 e6 3.Qe2 Nc6 4.Nf3 a6 5.g3 Nge7 6.Bg2 Ng6 7.d3 Be7 8.h4 h5 
9.Be3 b5 10.O-O b4 11.Na4 d6 12.e5 dxe5 13.Bxc5 Bb7 14.Bxe7 Qxe7 15.c3 Rd8
16.Rfd1 Ba8 17.Nb6 Bb7 18.Nc4 f6 19.d4 exd4 20.Nxd4 Nxd4 21.Rxd4 Rxd4 22.
cxd4 Bxg2 23.Kxg2 Kf7 24.Rd1 Qb7+ 25.d5 Rd8 26.Qxe6+ Kf8 27.Kg1 b3 28.a3 
a5 29.Nxa5 Qc7 30.Nc6 Re8 31.Qf5 Ne5 32.Nd4 Qc4 33.d6 Qd5 34.d7 Qxd7 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "4"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Vergara, Alejandro"]
[Result "1-0"]
[ECO "D29"]
[EventDate "1963.07.31"]
[PlyCount "145"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bb3 Bb7 
9.a4 c4 10.Bc2 Nbd7 11.e4 Be7 12.Bg5 h6 13.Bh4 g5 14.Bg3 Nh5 15.Nbd2 Qb6 
16.axb5 axb5 17.Rxa8+ Bxa8 18.d5 Nxg3 19.hxg3 e5 20.Ra1 Bb7 21.Nf1 Bc5 22.
Ne3 f6 23.Nf5 Kf7 24.b3 c3 25.d6 h5 26.b4 Bxb4 27.Bb3+ Kf8 28.Be6 Nc5 29.
Qa2 Na4 30.Qb3 Bc5 31.Bd7 Bxf2+ 32.Kh1 Nc5 33.Qa2 Bxe4 34.Be6 Na4 35.d7 
Bxf5 36.Qxf2 Ke7 37.Qxb6 Nxb6 38.Bxf5 Ra8 39.Rb1 Nxd7 40.Rxb5 Ra2 41.Rb1 
Nc5 42.Rc1 Ra3 43.Ng1 Kd6 44.Ne2 Na4 45.Bc2 Nb6 46.Be4 Na4 47.Bc2 Nc5 48.
Bg6 Na4 49.Bxh5 e4 50.Be8 Ke5 51.Bxa4 Rxa4 52.Kg1 e3 53.Nxc3 Ra3 54.Kf1 
Kf5 55.Ne2 Rd3 56.Ke1 Rd2 57.Rc4 Rb2 58.g4+ Ke5 59.Ng3 Kd5 60.Re4 Rxg2 61.
Rxe3 Kd6 62.Kf1 Ra2 63.Rf3 Ra4 64.Nf5+ Ke5 65.Nh6 Ke6 66.Kg2 Ra6 67.Re3+ 
Kd5 68.Nf5 Rb6 69.Ng3 Rb4 70.Kh3 Rb6 71.Nh5 f5 72.gxf5 Rb4 73.f6 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "4"]
[White "Letelier Martner, Rene"]
[Black "Lopez, Mario Dario"]
[Result "1-0"]
[ECO "B20"]
[EventDate "1963.07.31"]
[PlyCount "73"]

1.e4 c5 2.Ne2 d6 3.g3 Nf6 4.Bg2 g6 5.c3 Bg7 6.d4 O-O 7.O-O Qc7 8.h3 Bd7 9.
Be3 Na6 10.Nd2 Rad8 11.Rc1 b5 12.b4 c4 13.f4 Nb8 14.g4 h5 15.e5 dxe5 16.
fxe5 hxg4 17.exf6 gxh3 18.Nf4 exf6 19.Bf3 Rfe8 20.Nd5 Qg3+ 21.Kh1 Bg4 22.
Nxf6+ Bxf6 23.Bf4 Bxf3+ 24.Qxf3 Qxf3+ 25.Rxf3 Nd7 26.Rcf1 Kg7 27.a4 a6 28.
axb5 axb5 29.Rxh3 Rh8 30.Rxh8 Rxh8+ 31.Kg2 Nb6 32.Ne4 Rh5 33.Nxf6 Na4 34.
Nxh5+ gxh5 35.d5 Kg6 36.d6 Nb6 37.Re1 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "5"]
[White "De Greiff, Boris"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "B27"]
[EventDate "1963.07.31"]
[PlyCount "122"]

1.d4 g6 2.e4 Bg7 3.Nf3 c5 4.c3 Qc7 5.Na3 Na6 6.Bc4 cxd4 7.cxd4 f5 8.e5 d5 
9.exd6 Qxd6 10.O-O Nf6 11.Qb3 e6 12.Nb5 Qb6 13.Ng5 O-O 14.Bxe6+ Kh8 15.
Bxc8 Raxc8 16.Ne6 Rfe8 17.Nxg7 Kxg7 18.Bf4 Ne4 19.a4 g5 20.Be5+ Kg6 21.a5 
Qe6 22.Qxe6+ Rxe6 23.Rac1 Rec6 24.Rxc6+ Rxc6 25.f3 Nd2 26.Rd1 Nc4 27.Nxa7 
Re6 28.f4 gxf4 29.Bxf4 Nxb2 30.Rb1 Nd3 31.g3 Nab4 32.Nc8 Ra6 33.Bd2 Rxa5 
34.Rxb4 Ra1+ 35.Kg2 Nxb4 36.Bxb4 Rb1 37.Bc5 b5 38.Ne7+ Kf7 39.Nc6 Rb2+ 40.
Kf3 Rxh2 41.d5 Rd2 42.Nb4 Rd1 43.Ke2 Ra1 44.Nd3 Ra2+ 45.Ke3 Rc2 46.Bd6 Kf6
47.Be5+ Ke7 48.Kf4 b4 49.Kxf5 b3 50.Bb2 Kd7 51.Be5 Ke7 52.Nb2 Rf2+ 53.Ke4 
Re2+ 54.Kf4 Rd2 55.Ke4 Re2+ 56.Kf4 Rd2 57.d6+ Ke6 58.Ke3 Rxd6 59.Bxd6 Kxd6
60.Kf4 Ke6 61.Kg5 Kf7 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "5"]
[White "Etcheverry, Eduardo"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "E14"]
[EventDate "1963.07.31"]
[PlyCount "44"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.Nc3 Bb7 5.e3 Be7 6.Bd3 d5 7.O-O O-O 8.b3 Ne4 
9.Bb2 Nd7 10.Qe2 a6 11.Rac1 f5 12.Ne5 Bd6 13.cxd5 exd5 14.f3 Nxc3 15.Bxc3 
Qe7 16.e4 Nxe5 17.dxe5 Bc5+ 18.Kh1 fxe4 19.fxe4 d4 20.Bd2 Qxe5 21.g3 Rae8 
22.Rce1 Qxe4+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "5"]
[White "Foguelman, Alberto"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "E67"]
[EventDate "1963.07.31"]
[PlyCount "31"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7 7.O-O e5 8.Qc2 c6 
9.Rd1 Qe7 10.b3 Re8 11.Ba3 e4 12.Ng5 e3 13.f4 Nf8 14.Nge4 Bf5 15.Nxf6+ 
Qxf6 16.Qb2 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "5"]
[White "Garcia, Gilberto"]
[Black "Estrada Degrandi, Walter"]
[Result "0-1"]
[ECO "B90"]
[EventDate "1963.07.31"]
[PlyCount "93"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3 e5 7.Nb3 Be7 8.Be3 Be6
9.Nd5 Nxd5 10.exd5 Bf5 11.Bd3 Bxd3 12.Qxd3 O-O 13.O-O-O Nd7 14.Kb1 b5 15.
Qd2 a5 16.Qe2 Qb8 17.h4 a4 18.Nc1 b4 19.Rh3 f5 20.f4 Bf6 21.fxe5 Bxe5 22.
Nd3 b3 23.cxb3 axb3 24.a3 Qb5 25.Qd2 Rfc8 26.Nb4 Qc4 27.Bd4 Bxd4 28.Qxd4 
Qxd4 29.Rxd4 Nc5 30.Rc3 Re8 31.Nd3 Ne4 32.Rc7 Rac8 33.Rc6 Rcd8 34.Rb4 Nc5 
35.Nc1 Re1 36.Rc4 Rd1 37.Rc3 Re8 38.g3 Ree1 39.Rxd6 Ne4 40.Rc8+ Kf7 41.
Rdc6 Rxd5 42.R8c7+ Kf8 43.Rb6 Nd2+ 44.Ka1 Rd7 45.Rbc6 Rxc7 46.Rxc7 Ne4 47.
a4 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "5"]
[White "Lopez, Mario Dario"]
[Black "Calero, Carlos"]
[Result "0-1"]
[ECO "C45"]
[EventDate "1963.07.31"]
[PlyCount "88"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qf6 5.Be3 Bc5 6.c3 Nge7 7.Nf5 Bxe3 8.
Nxe3 d6 9.Bc4 O-O 10.Nd2 Ne5 11.Be2 Qh6 12.g3 f5 13.f4 fxe4 14.Nxe4 Nf7 
15.Qd2 c6 16.O-O-O d5 17.Nf2 a5 18.h4 b5 19.Rde1 Qd6 20.Kb1 Nf5 21.Nxf5 
Bxf5+ 22.Bd3 Nh6 23.Re5 Bxd3+ 24.Qxd3 Nf7 25.Re3 Rae8 26.Rhe1 Qd8 27.Ng4 
Nd6 28.Ne5 Qc8 29.h5 Ne4 30.h6 gxh6 31.Qd4 Qb7 32.Rh1 c5 33.Qd1 Nf2 34.Qh5
Nxh1 35.Qxh1 Re7 36.Qxh6 d4 37.Re2 d3 38.Rd2 Rxe5 39.b3 Re1+ 40.Kb2 Qh1 
41.Qg5+ Kh8 42.Rd1 Qg2+ 43.Ka3 b4+ 44.cxb4 axb4+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "5"]
[White "Ortega, Rogelio"]
[Black "Cadena, Jorge"]
[Result "1-0"]
[ECO "B94"]
[EventDate "1963.07.31"]
[PlyCount "59"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.Bc4 h6 8.Bh4 
Qc7 9.Bb3 g6 10.O-O Bg7 11.Kh1 O-O 12.f4 e5 13.Nde2 Kh7 14.Qd2 b5 15.Rad1 
exf4 16.Nxf4 g5 17.Nfd5 Qd8 18.Bg3 Ne8 19.Ne3 Ne5 20.Bxe5 Bxe5 21.Qd5 Bd7 
22.Rxf7+ Rxf7 23.Qxf7+ Ng7 24.Nf5 Bxf5 25.exf5 Qe8 26.Qd5 Rd8 27.g4 h5 28.
Ne4 Kh6 29.f6 Qd7 30.fxg7 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "5"]
[White "Vergara, Alejandro"]
[Black "Gadia, Olicio"]
[Result "1-0"]
[ECO "B87"]
[EventDate "1963.07.31"]
[PlyCount "129"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.O-O b5 8.Bb3 Bb7
9.f3 Nc6 10.Be3 Qc7 11.Qe2 Rc8 12.Rad1 Ne5 13.Kh1 Nc4 14.Bc1 Be7 15.Rfe1 
O-O 16.Nb1 Rfd8 17.c3 Qc5 18.Nd2 Bf8 19.Nf1 g6 20.Bc2 Bg7 21.Nb3 Qb6 22.
Nbd2 d5 23.Nxc4 bxc4 24.e5 Nd7 25.f4 Nc5 26.Nd2 a5 27.Nf3 Ba6 28.Nd4 Nd3 
29.Bxd3 cxd3 30.Qf2 a4 31.a3 Rb8 32.Re3 Re8 33.Qh4 Qd8 34.Qe1 Rb6 35.Rd2 
f6 36.Rh3 f5 37.Qd1 Qd7 38.g4 Bc4 39.gxf5 exf5 40.Rg2 Re7 41.Rhg3 Qe8 42.
Qg1 Rbb7 43.h4 Ba2 44.Be3 Kh8 45.Kh2 Rf7 46.Nf3 d4 47.Bxd4 Bd5 48.Rf2 Qb8 
49.Qc1 Rfc7 50.Ne1 Qd8 51.Kh3 Rc4 52.Nxd3 Be4 53.Qd2 Rd7 54.Ne1 Rcxd4 55.
cxd4 Rxd4 56.Qc3 Bb1 57.Nf3 Rxf4 58.Qc1 Rxf3 59.Rgxf3 Be4 60.Rc3 Bb7 61.
Rd2 Qa8 62.Qd1 Qg8 63.Rd8 Bf8 64.Qd4 h6 65.e6+ 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "6"]
[White "Cadena, Jorge"]
[Black "Vergara, Alejandro"]
[Result "0-1"]
[ECO "A45"]
[EventDate "1963.07.31"]
[PlyCount "72"]

1.d4 Nf6 2.Nd2 e6 3.Ngf3 c5 4.e3 b6 5.b3 Bb7 6.Bb2 Be7 7.dxc5 bxc5 8.Bd3 
O-O 9.c4 Nc6 10.Rc1 d6 11.O-O Nd7 12.Bb1 f5 13.Qe2 e5 14.Rfd1 a5 15.Nf1 
Qc7 16.Ng3 g6 17.h4 Nd8 18.h5 Ne6 19.Rd2 a4 20.Rcd1 Bc6 21.Ne1 axb3 22.
axb3 Rab8 23.Bc2 Rf7 24.Nf3 Ng7 25.hxg6 hxg6 26.Nh2 Re8 27.Bc3 Bf8 28.Nf3 
Be7 29.Ne1 e4 30.f4 exf3 31.Nxf3 Ne5 32.Nf1 Nxf3+ 33.gxf3 Ne6 34.e4 Ng5 
35.Ng3 fxe4 36.Bxe4 Bxe4 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "6"]
[White "Cobo Arteaga, Eldis"]
[Black "Garcia, Gilberto"]
[Result "1-0"]
[ECO "D25"]
[EventDate "1963.07.31"]
[PlyCount "121"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 a6 5.Bxc4 b5 6.Be2 Bb7 7.a4 b4 8.Nbd2 e6 
9.O-O Nbd7 10.Nc4 Be7 11.Nfe5 Nxe5 12.Nxe5 Bd6 13.Bf3 Nd5 14.e4 Nf6 15.
Nxf7 Kxf7 16.e5 Bxf3 17.Qxf3 Be7 18.exf6 Bxf6 19.Be3 Qd7 20.Rac1 Rhf8 21.
Rc6 Kg8 22.Qe4 e5 23.d5 a5 24.Qc4 Rf7 25.b3 h6 26.Rc1 Rd8 27.Rc5 Bg5 28.
Bxg5 hxg5 29.Rxa5 Rf4 30.Qc6 Rd4 31.Qxd7 Rxd7 32.Kf1 Rd3 33.Rb1 Rd2 34.Ke1
Rc2 35.Rd1 Rb2 36.Rd2 Rxb3 37.Rb5 Kf7 38.Kd1 Ke7 39.Kc2 Rc3+ 40.Kb2 c5 41.
a5 Rd6 42.Rc2 Rf6 43.Rxc5 Rxc5 44.Rxc5 Rxf2+ 45.Kb3 Kd6 46.Rb5 e4 47.a6 
Rf8 48.Rxb4 e3 49.Kc3 Re8 50.Rb1 Kxd5 51.a7 e2 52.Kd2 Kc6 53.Ke1 Kc7 54.
Ra1 Kb7 55.a8=Q+ Rxa8 56.Rxa8 Kxa8 57.Kxe2 Kb8 58.Kf3 Kc8 59.Kg4 Kd8 60.
Kxg5 Ke8 61.Kg6 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "6"]
[White "De Greiff, Boris"]
[Black "Ortega, Rogelio"]
[Result "1-0"]
[ECO "E47"]
[EventDate "1963.07.31"]
[PlyCount "77"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d6 6.a3 Bxc3+ 7.bxc3 e5 8.Ne2 
Nc6 9.O-O Re8 10.f3 h6 11.e4 Ne7 12.f4 c5 13.fxe5 dxe5 14.d5 Ng6 15.Ng3 b5
16.h3 bxc4 17.Bxc4 Rb8 18.Qd3 Qd6 19.Qf3 Rb6 20.Nh5 Qe7 21.Be3 Bd7 22.Rab1
Nh4 23.Nxf6+ Rxf6 24.Qe2 Rc8 25.Rb7 Rd6 26.Kh2 Kh7 27.g3 Ng6 28.Qh5 Qe8 
29.Rxa7 Rb6 30.Rf2 Rb1 31.a4 Rcb8 32.Bb5 Bxb5 33.Rfxf7 Rb2+ 34.Kg1 Rb1+ 
35.Kg2 Bf1+ 36.Kf3 Be2+ 37.Kxe2 R8b2+ 38.Bd2 Rxd2+ 39.Kxd2 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "6"]
[White "Estrada Degrandi, Walter"]
[Black "Lopez, Mario Dario"]
[Result "1-0"]
[ECO "E80"]
[EventDate "1963.07.31"]
[PlyCount "167"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 Nc6 6.Nge2 a6 7.Be3 e5 8.d5 Ne7 9.
Qd2 Nfg8 10.b4 f5 11.c5 h5 12.Nc1 Bd7 13.Nb3 f4 14.Bf2 g5 15.Na5 Bc8 16.
Nc4 dxc5 17.bxc5 Nf6 18.d6 Nc6 19.dxc7 Qxc7 20.Nb6 Rb8 21.Rc1 Be6 22.Ncd5 
Qf7 23.Bc4 O-O 24.Nxf6+ Bxf6 25.Bxe6 Qxe6 26.Qd5 Rbe8 27.O-O Rf7 28.Rfd1 
g4 29.Qxe6 Rxe6 30.Rd6 Re8 31.Rcd1 gxf3 32.gxf3 Bd8 33.Nd5 Ref8 34.Kf1 Rg7
35.Nc3 Ba5 36.Ne2 Rff7 37.a3 Bc7 38.R6d3 Rg6 39.Nc3 Ba5 40.Nd5 Bd8 41.Nb4 
Bg5 42.Nxc6 Rxc6 43.Ke2 Bf6 44.Rg1+ Kf8 45.Rg6 Rh7 46.Rd6 Rxd6 47.cxd6 Kf7
48.Rg1 Ke6 49.Rb1 Rd7 50.Bc5 Bg7 51.Rg1 Kf6 52.h4 Bf8 53.Rg5 Bxd6 54.Bxd6 
Rxd6 55.Rf5+ Ke6 56.Rxh5 b5 57.Rh7 a5 58.Rb7 b4 59.axb4 axb4 60.Rxb4 Kf6 
61.Rb8 Ra6 62.Rf8+ Ke6 63.Rh8 Ra2+ 64.Kf1 Ra1+ 65.Kg2 Ra2+ 66.Kh3 Rf2 67.
Rh6+ Kf7 68.Kg4 Rg2+ 69.Kf5 Rg3 70.Kxe5 Rxf3 71.Rf6+ Ke7 72.Rxf4 Ra3 73.
Kf5 Ra1 74.h5 Rh1 75.Kg5 Rg1+ 76.Rg4 Ra1 77.h6 Kf7 78.Kf5 Rh1 79.Rg7+ Kf8 
80.Kg6 Re1 81.Rf7+ Ke8 82.Rf5 Rh1 83.h7 Rg1+ 84.Rg5 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "6"]
[White "Gadia, Olicio"]
[Black "Foguelman, Alberto"]
[Result "1/2-1/2"]
[ECO "B10"]
[EventDate "1963.07.31"]
[PlyCount "82"]

1.e4 c6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Bg4 5.h3 Bxf3 6.Qxf3 e6 7.g4 c5 8.Bg2 Nc6
9.O-O Qc7 10.exd5 Nxd5 11.Ne4 h6 12.c3 O-O-O 13.a4 g5 14.a5 Ne5 15.Qe2 Ng6
16.a6 b6 17.d4 Ndf4 18.Bxf4 Nxf4 19.Qf3 Kb8 20.Bh1 Qc6 21.Rfd1 cxd4 22.
cxd4 f5 23.gxf5 exf5 24.Nxg5 Qxf3 25.Nxf3 Nxh3+ 26.Kf1 Bg7 27.Ne5 Bxe5 28.
dxe5 Nf4 29.Rd6 Nd3 30.Rd1 Rxd6 31.exd6 Nc5 32.Bc6 Nxa6 33.Bd7 Nc5 34.Bxf5
a5 35.Ke2 Rd8 36.Ke3 Nb7 37.d7 Kc7 38.Rh1 Rh8 39.Kf4 Nc5 40.Rd1 Rd8 41.Rc1
Kd6 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "6"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Etcheverry, Eduardo"]
[Result "1-0"]
[ECO "E06"]
[EventDate "1963.07.31"]
[PlyCount "71"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nd2 c5 6.cxd5 exd5 7.Ngf3 Nc6 8.dxc5 
Bxc5 9.O-O O-O 10.Nb3 Bb6 11.Nbd4 Bd7 12.Nxc6 Bxc6 13.Nd4 Bd7 14.b3 Qe7 
15.Bb2 Rac8 16.Qd3 Ne4 17.e3 h5 18.Qe2 g6 19.Rfc1 Ba5 20.Qd3 h4 21.Ne2 Bc6
22.Qd4 f6 23.Nf4 Qf7 24.Qxa7 Ra8 25.Qd4 Bc7 26.Qd3 hxg3 27.hxg3 Be5 28.Bd4
g5 29.Ne2 Qd7 30.Nc3 Qf5 31.Qe2 Bxd4 32.exd4 Rfe8 33.Nxe4 dxe4 34.Rc5 Qd7 
35.Qc4+ Kg7 36.d5 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "6"]
[White "Letelier Martner, Rene"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1963.07.31"]
[PlyCount "83"]

1.g3 d5 2.Bg2 c6 3.c4 dxc4 4.Na3 g6 5.Nxc4 Bg7 6.Nf3 Nf6 7.O-O O-O 8.d3 
Nbd7 9.Bd2 Nd5 10.Qc1 N7b6 11.Bh6 Nxc4 12.dxc4 Nf6 13.Bxg7 Kxg7 14.Qc3 Qc7
15.e4 Kg8 16.e5 Nh5 17.Rad1 Ng7 18.h3 h6 19.Rd2 Be6 20.b3 Rad8 21.Rfd1 a6 
22.a4 Kh7 23.a5 Qc8 24.Kh2 Rxd2 25.Qxd2 Qc7 26.Kg1 Bc8 27.Qe1 Ne6 28.Nd4 
Rd8 29.Nxe6 Bxe6 30.Rxd8 Qxd8 31.Qb4 Qd7 32.Qb6 Kg7 33.Kh2 h5 34.h4 Bg4 
35.Qe3 Bf5 36.Bf3 Qd3 37.Qxd3 Bxd3 38.g4 hxg4 39.Bxg4 e6 40.Kg3 Bc2 41.b4 
Bd3 42.c5 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "7"]
[White "Calero, Carlos"]
[Black "Estrada Degrandi, Walter"]
[Result "0-1"]
[ECO "B90"]
[EventDate "1963.07.31"]
[PlyCount "138"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e5 7.Nde2 Be6 8.Bb3 
Nbd7 9.Bxe6 fxe6 10.Ng3 Be7 11.Be3 O-O 12.f3 Nb6 13.Qe2 Rc8 14.Nd1 Nfd7 
15.O-O d5 16.c3 Nc4 17.Bf2 Bg5 18.b3 Na3 19.Qb2 Qa5 20.Be1 b5 21.Kh1 Bf4 
22.exd5 exd5 23.Ne2 Bg5 24.Nf2 b4 25.Nd3 bxc3 26.Bxc3 Qb5 27.Rad1 Be7 28.
Rf2 d4 29.Be1 Rc2 30.Qa1 Nf6 31.Ng3 Rfc8 32.Rxc2 Rxc2 33.Nf2 Nh5 34.Nfe4 
Nxg3+ 35.Bxg3 Qe2 36.Rg1 Bf6 37.h4 h5 38.Qe1 Qxe1 39.Rxe1 Rxa2 40.Nc5 Nc2 
41.Re2 Ra1+ 42.Kh2 Ne3 43.Bf2 Nd5 44.Bg3 Nc3 45.Re1 Ra2 46.Bxe5 Bxh4 47.
Bg3 Bxg3+ 48.Kxg3 Ne2+ 49.Kh4 g6 50.g4 hxg4 51.Kxg4 a5 52.Rd1 Kf7 53.f4 
Rc2 54.Ne4 Rb2 55.Rd2 Rxd2 56.Nxd2 Ke6 57.Kf3 Nc1 58.Ke4 d3 59.Kd4 Kf5 60.
Ke3 Kg4 61.Nc4 Nxb3 62.Ne5+ Kf5 63.Kxd3 g5 64.Kc4 a4 65.Kb4 Nc5 66.Nc4 
Kxf4 67.Kxc5 g4 68.Kd4 g3 69.Ne3 a3 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "7"]
[White "Etcheverry, Eduardo"]
[Black "Gadia, Olicio"]
[Result "0-1"]
[ECO "A42"]
[EventDate "1963.07.31"]
[PlyCount "54"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 Nc6 5.Be3 e5 6.Nge2 exd4 7.Nxd4 Nge7 8.Be2 
O-O 9.Qd2 f5 10.exf5 Nxf5 11.Nxf5 Bxf5 12.O-O Qe7 13.Rac1 Qf7 14.Bf3 Kh8 
15.b3 Rae8 16.Bd5 Be6 17.Rfe1 Ne5 18.Ne4 Qf5 19.Bxb7 d5 20.Bxd5 Bxd5 21.
Ng3 Qd3 22.cxd5 Rd8 23.Rxc7 Rxd5 24.Qb4 Rd7 25.Qc5 h5 26.Ne2 Qxe2 27.Rf1 
Rd1 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "7"]
[White "Foguelman, Alberto"]
[Black "Cadena, Jorge"]
[Result "0-1"]
[ECO "D94"]
[EventDate "1963.07.31"]
[PlyCount "53"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 g6 5.e3 Bg7 6.Bd3 O-O 7.O-O Nbd7 8.Qc2 Re8
9.e4 dxe4 10.Nxe4 Nxe4 11.Bxe4 e5 12.dxe5 Nxe5 13.Nxe5 Bxe5 14.f4 Qd4+ 15.
Kh1 Bg7 16.Bd3 Be6 17.a4 Rad8 18.Ra3 f5 19.Be2 Bf7 20.Rd3 Qe4 21.Rfd1 Rd4 
22.Bf1 Bxc4 23.h3 Bxd3 24.Bxd3 Qe7 25.Bc4+ Kh8 26.Rxd4 Bxd4 27.b3 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "7"]
[White "Garcia, Gilberto"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "A38"]
[EventDate "1963.07.31"]
[PlyCount "50"]

1.g3 Nf6 2.Bg2 g6 3.c4 Bg7 4.Nf3 c5 5.Nc3 Nc6 6.O-O O-O 7.Rb1 d5 8.cxd5 
Nxd5 9.Ne1 Nxc3 10.bxc3 Bxc3 11.Nd3 Bd4 12.e3 Bf5 13.e4 Bd7 14.Re1 b6 15.
e5 Rc8 16.Kh1 Bf5 17.Be4 Bxe4+ 18.Rxe4 Qd5 19.f3 Nxe5 20.Nf4 Qxa2 21.Rb3 
Qa4 22.Bb2 Nc6 23.d3 Na5 24.Ne2 e5 25.Kg2 Nxb3 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "7"]
[White "Lopez, Mario Dario"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "B91"]
[EventDate "1963.07.31"]
[PlyCount "84"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be7 8.Bg2 
Qc7 9.Nd5 Nxd5 10.exd5 Bf5 11.Nc3 b5 12.a3 O-O 13.h4 Bc8 14.g4 Nd7 15.Be3 
Nb6 16.Be4 Nc4 17.Bc1 f5 18.gxf5 Bxf5 19.Qd3 Bxe4 20.Nxe4 Qb7 21.Rh2 Rf7 
22.b3 Nb6 23.Bg5 Qxd5 24.Qxd5 Nxd5 25.Rd1 Nf4 26.Nxd6 Bxd6 27.Rxd6 Rc7 28.
Kd1 Rac8 29.Rd2 Kf7 30.Bd8 Rc6 31.Ba5 Ke6 32.c3 h5 33.Rh1 Kf5 34.Re1 Rg6 
35.f3 Rcc6 36.Bb4 Rg3 37.Bd6 Rxf3 38.Rxe5+ Kf6 39.Rg5 Ne6 40.Be5+ Kf7 41.
Rxh5 Kg6 42.Rh8 Re3 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "7"]
[White "Ortega, Rogelio"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "C73"]
[EventDate "1963.07.31"]
[PlyCount "67"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 f6 7.c4 Ne7 8.Nc3 
Ng6 9.Be3 Be7 10.dxe5 fxe5 11.Qa4 Bd7 12.c5 O-O 13.Qc4+ Kh8 14.O-O-O Nf4 
15.Bxf4 Rxf4 16.Rd2 Qc8 17.Qa4 Rb8 18.Rc2 Qb7 19.Ne1 Rbf8 20.Nd3 R4f7 21.
Kb1 Bh4 22.f3 Bg5 23.Re1 Rf6 24.Rd1 Rd8 25.Ne2 Be3 26.Rc3 Rb8 27.Rb3 Qa7 
28.Nxe5 dxe5 29.Rxd7 Bxc5 30.Rxb8+ Qxb8 31.Qxa6 Bd6 32.Qxc6 Ba3 33.Qc2 
Bxb2 34.Qxc7 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "7"]
[White "Vergara, Alejandro"]
[Black "De Greiff, Boris"]
[Result "0-1"]
[ECO "B34"]
[EventDate "1963.07.31"]
[PlyCount "120"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Be3 Nf6 6.Nc3 Bg7 7.Be2 O-O 8.Nb3 
a5 9.a4 d6 10.f4 Be6 11.O-O Qc8 12.Nd5 Bxd5 13.exd5 Nb4 14.c4 e6 15.dxe6 
Qxe6 16.Bd4 Rfe8 17.Bf3 Nc6 18.f5 gxf5 19.Bxf6 Qxf6 20.Bd5 Re3 21.Rb1 Qg6 
22.Kh1 Rae8 23.g4 R8e5 24.gxf5 Rxf5 25.Rg1 Rg5 26.Rf1 Rf5 27.Rg1 Rg5 28.
Qd2 Ree5 29.Qf4 Ref5 30.Qe4 Re5 31.Qf4 Ref5 32.Qd2 Re5 33.Rxg5 Rxg5 34.Rf1
Bf6 35.Qf2 Kg7 36.Qd2 Rf5 37.Rg1 Rg5 38.Rxg5 Bxg5 39.Qd1 Bf4 40.Qf3 Qb1+ 
41.Kg2 Qxb2+ 42.Kf1 Ne5 43.Qg2+ Qxg2+ 44.Kxg2 b6 45.Nd4 Ng6 46.h3 Be5 47.
Ne2 f5 48.Kf3 Kf6 49.Bb7 h5 50.Bd5 h4 51.Bb7 Nf8 52.Ke3 Ne6 53.Bc6 Bb2 54.
Bb7 Ba3 55.Bc6 Ng5 56.Bg2 Ke5 57.Kd3 Bc5 58.Nc3 f4 59.Nd5 f3 60.Bf1 Ne4 
0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "8"]
[White "Cadena, Jorge"]
[Black "Etcheverry, Eduardo"]
[Result "1/2-1/2"]
[ECO "D05"]
[EventDate "1963.07.31"]
[PlyCount "54"]

1.d4 Nf6 2.Nd2 d5 3.Ngf3 c5 4.e3 Nc6 5.c3 e6 6.Bd3 Be7 7.O-O O-O 8.Qe2 Qc7
9.dxc5 Bxc5 10.e4 e5 11.exd5 Nxd5 12.Qe4 Nf6 13.Qh4 Ne7 14.Nb3 Ng6 15.Bxg6
hxg6 16.Nxc5 Qxc5 17.Bg5 Qb6 18.Nxe5 Bf5 19.b3 Rfe8 20.Be3 Qc7 21.Nf3 Re4 
22.Qg3 Qxc3 23.Rac1 Qa5 24.Qc7 Qxc7 25.Rxc7 b6 26.Ng5 Nd5 27.Nxe4 Nxc7 
1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "8"]
[White "Cobo Arteaga, Eldis"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "D81"]
[EventDate "1963.07.31"]
[PlyCount "42"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3 c6 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 Bg7 8.Be3 
O-O 9.Be2 Nd7 10.Nf3 Nf6 11.Nd2 Qc7 12.O-O Ng4 13.Bxg4 Bxg4 14.f3 Be6 15.
Qb2 Rad8 16.a4 b6 17.a5 b5 18.Nb3 a6 19.Nc5 Bc8 20.f4 e6 21.e5 f5 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "8"]
[White "De Greiff, Boris"]
[Black "Foguelman, Alberto"]
[Result "0-1"]
[ECO "D82"]
[EventDate "1963.07.31"]
[PlyCount "80"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5 7.Qa4+ Qxa4 8.Nxa4 
Ne4 9.f3 Bd7 10.fxe4 Bxa4 11.exd5 Bxb2 12.Rb1 Bc3+ 13.Kf2 Nd7 14.Ne2 Ba5 
15.Rxb7 Nxc5 16.Rb8+ Rxb8 17.Bxb8 O-O 18.Bxa7 Nd3+ 19.Kg1 Ra8 20.Ng3 Bc2 
21.Bd4 Bb4 22.h4 Rxa2 23.Ne4 Nc1 24.Ng5 Nb3 25.Nf3 Be4 26.Ng5 Bf5 27.Nf3 
Rc2 28.Kh2 f6 29.Rg1 Bd6+ 30.Kh1 Bg3 31.c5 Be4 32.Nh2 Bf2 33.d6 Nxd4 34.
dxe7 Kf7 35.e8=Q+ Kxe8 36.exd4 Bxd4 37.Bb5+ Kd8 38.Nf3 Bxg1 39.Kxg1 Bxf3 
40.gxf3 Rxc5 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "8"]
[White "Gadia, Olicio"]
[Black "Garcia, Gilberto"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1963.07.31"]
[PlyCount "91"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.g3 c6 5.Bg2 Bc5 6.e5 Nfd7 7.Ngf3 Bb6 8.O-O c5 
9.Re1 Nc6 10.c4 O-O 11.Nf1 Ba5 12.Re2 Bc7 13.Qe1 d4 14.h4 Rb8 15.h5 h6 16.
N1h2 f5 17.exf6 Nxf6 18.Nh4 Ba5 19.Bd2 Bxd2 20.Qxd2 Nxh5 21.Ng6 Rf6 22.Ne5
Nxe5 23.Rxe5 g5 24.Ng4 Rg6 25.Be4 Nf6 26.Nxh6+ Rxh6 27.Qxg5+ Kf7 28.Qxh6 
Bd7 29.Bf3 b5 30.b3 bxc4 31.bxc4 Ke7 32.Rae1 Kd6 33.Qf4 Ke7 34.Rg5 Qh8 35.
Qc7 Rc8 36.Qe5 Qh6 37.Kg2 Rh8 38.Qxc5+ Kf7 39.Kf1 Rb8 40.Kg1 Rh8 41.Qe5 
Qh2+ 42.Kf1 Qh6 43.Rb1 Rd8 44.Rb7 Ke7 45.c5 Kf8 46.Qf4 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "8"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Lopez, Mario Dario"]
[Result "1-0"]
[ECO "E80"]
[EventDate "1963.07.31"]
[PlyCount "93"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 Nc6 6.Be3 e5 7.Nge2 a6 8.d5 Ne7 9.
Qd2 Bd7 10.c5 dxc5 11.Bxc5 b6 12.Be3 Nc8 13.Nc1 Nd6 14.Be2 a5 15.a4 O-O 
16.Bb5 Bxb5 17.Nxb5 Nc4 18.Qe2 Nxe3 19.Qxe3 Re8 20.O-O Bf8 21.Nd3 Nd7 22.
Kh1 Nc5 23.Rfd1 Nxd3 24.Qxd3 Bc5 25.g3 Rf8 26.Kg2 Qe7 27.Rac1 h5 28.h4 Kg7
29.Rc2 Rad8 30.Na7 Rd6 31.Nc6 Qe8 32.Nxa5 bxa5 33.Rxc5 Qxa4 34.Rxc7 Rb6 
35.Rd2 Rb3 36.Qc4 Rb4 37.Qc2 Qb5 38.Qc3 Rd4 39.Rxd4 Qe2+ 40.Kg1 exd4 41.
Qxd4+ Kg8 42.Qf2 Qd1+ 43.Kg2 Rb8 44.Rc2 a4 45.Rd2 Qc1 46.d6 a3 47.d7 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "8"]
[White "Letelier Martner, Rene"]
[Black "Estrada Degrandi, Walter"]
[Result "1-0"]
[ECO "D13"]
[EventDate "1963.07.31"]
[PlyCount "118"]

1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Nc3 Nf6 5.Nf3 e6 6.Bf4 Nbd7 7.h3 Bb4 8.Qb3 
Bxc3+ 9.Qxc3 O-O 10.e3 Ne4 11.Qa3 Nb6 12.Rc1 Bd7 13.Bd3 f6 14.O-O Bc6 15.
Rfd1 Rf7 16.Ne1 Qe7 17.Qxe7 Rxe7 18.Bh2 Rd8 19.Bf1 e5 20.Nc2 a5 21.b3 Nc3 
22.Rd2 Nxa2 23.Ra1 Nb4 24.Rxa5 Nxc2 25.Rxc2 exd4 26.exd4 Rde8 27.Rc1 Re1 
28.Raa1 Rxc1 29.Rxc1 Re4 30.Rd1 g6 31.f3 Re8 32.Bd6 Kf7 33.Kf2 Nc8 34.Bc5 
Re6 35.Ra1 Ke8 36.h4 f5 37.g3 Kf7 38.Bd3 Nd6 39.Bxd6 Rxd6 40.Ra7 Rd8 41.b4
Rb8 42.g4 fxg4 43.fxg4 Kf6 44.g5+ Kg7 45.Ke3 Re8+ 46.Kd2 Re7 47.Ra5 Rf7 
48.Rc5 Rf4 49.b5 Rxd4 50.Rxc6 bxc6 51.bxc6 Ra4 52.c7 Ra8 53.Ba6 Rxa6 54.
c8=Q Ra7 55.Qc5 Rf7 56.Qd4+ Kg8 57.Qxd5 Kg7 58.Qe5+ Kg8 59.Ke3 Rf5 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "8"]
[White "Ortega, Rogelio"]
[Black "Vergara, Alejandro"]
[Result "1-0"]
[ECO "B96"]
[EventDate "1963.07.31"]
[PlyCount "51"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.e5 dxe5 
9.fxe5 Qc7 10.exf6 Qe5+ 11.Be2 Qxg5 12.O-O Qe5 13.Kh1 gxf6 14.Bh5 Bc5 15.
Nxe6 Bd6 16.Nf4 O-O 17.Ncd5 Ra7 18.Qd2 Nc6 19.c3 Kh8 20.h4 f5 21.Bf3 Bb8 
22.g3 Rd7 23.Nh5 Qd6 24.Rae1 Ne5 25.Rxe5 Qxe5 26.Qh6 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "9"]
[White "Calero, Carlos"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "B41"]
[EventDate "1963.07.31"]
[PlyCount "134"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Be2 Qc7 6.Be3 Nf6 7.Nd2 b6 8.O-O 
Bb7 9.Bf3 d5 10.exd5 Nxd5 11.c4 Nxe3 12.fxe3 Be7 13.Bxb7 Qxb7 14.Qg4 O-O 
15.Rf3 Nc6 16.Rh3 Nxd4 17.exd4 Rad8 18.Nb3 a5 19.Rd1 Qc6 20.d5 exd5 21.Qh5
Qg6 22.cxd5 a4 23.Nc1 Bc5+ 24.Kf1 Qf6+ 25.Qf3 Qxb2 26.Qe2 Qf6+ 27.Rf3 Qd6 
28.g3 Rfe8 29.Qc4 Re5 30.Qxa4 Rxd5 31.Rdd3 Qe6 32.Qc2 Re8 33.Rxd5 Qxd5 34.
Qb3 Qd7 35.g4 Rf8 36.h3 Qd4 37.Ne2 Qe5 38.Rf5 Qh2 39.Ke1 Kh8 40.Qd3 Qh1+ 
41.Kd2 Ra8 42.Nc1 Bb4+ 43.Kc2 Rc8+ 44.Kb3 Rc3+ 45.Kxb4 Rxd3 46.Nxd3 Qb1+ 
47.Kc3 Qxa2 48.Rb5 Qe6 49.Re5 Qc6+ 50.Kd4 h6 51.Nb4 Qd6+ 52.Nd5 b5 53.Re7 
Qg3 54.Re3 Qd6 55.Rb3 f6 56.Re3 Qa6 57.Kc5 Qa5 58.Re8+ Kh7 59.Re7 b4+ 60.
Kc4 Qa2+ 61.Kc5 b3 62.Rb7 Qf2+ 63.Kc4 b2 64.Nc3 Qf4+ 65.Kc5 Qe3+ 66.Kc4 
Qxh3 67.Rxb2 Qxg4+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "9"]
[White "Estrada Degrandi, Walter"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "D03"]
[EventDate "1963.07.31"]
[PlyCount "85"]

1.d4 Nf6 2.Nf3 e6 3.Bg5 d5 4.Nbd2 Be7 5.Bxf6 Bxf6 6.e4 c5 7.e5 Be7 8.c3 
Nc6 9.Bb5 Bd7 10.Bxc6 bxc6 11.O-O Qb6 12.Qb3 O-O 13.dxc5 Bxc5 14.Qc2 Be7 
15.b4 c5 16.a3 a5 17.bxc5 Qxc5 18.Nb3 Qc7 19.Nbd4 Rfc8 20.Rfc1 a4 21.Qe2 
Rab8 22.h4 Qd8 23.g3 Qf8 24.Qa2 Rc7 25.Ne1 Rbc8 26.Qb2 Rb8 27.Qa2 Bb5 28.
Rcb1 Bc4 29.Rxb8 Qxb8 30.Qd2 Qb6 31.Qc1 Rb7 32.Nec2 Qb2 33.Nb4 Qxc1+ 34.
Rxc1 Kf8 35.f4 Bc5 36.Kg2 Ke7 37.Re1 Kd7 38.g4 Rc7 39.f5 Bxd4 40.cxd4 Bb3 
41.fxe6+ fxe6 42.Rf1 Ke7 43.h5 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "9"]
[White "Etcheverry, Eduardo"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "E91"]
[EventDate "1963.07.31"]
[PlyCount "84"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 O-O 5.e4 d6 6.Be2 Bg4 7.h3 Bxf3 8.Bxf3 
Nfd7 9.Be3 c5 10.d5 Na6 11.O-O Nc7 12.Be2 e5 13.dxe6 Nxe6 14.Qxd6 Nd4 15.
Rad1 Rc8 16.Bxd4 cxd4 17.Nb5 Nc5 18.e5 d3 19.Bf3 a6 20.Qxd8 Rcxd8 21.Nd6 
Bxe5 22.Nxb7 Nxb7 23.Bxb7 Bxb2 24.Bd5 Rde8 25.Rxd3 Re2 26.Rfd1 Rfe8 27.Kf1
Kg7 28.c5 Rc2 29.c6 Re7 30.Bf3 Rc1 31.Rxc1 Bxc1 32.Rb3 Bf4 33.Ra3 a5 34.
Rd3 Bc7 35.g4 g5 36.Bd5 Kf6 37.f3 h6 38.Be4 Ke5 39.Kf2 Bb6+ 40.Kg3 Bc7 41.
Rd5+ Kf6+ 42.Kf2 Re5 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "9"]
[White "Foguelman, Alberto"]
[Black "Ortega, Rogelio"]
[Result "1-0"]
[ECO "E08"]
[EventDate "1963.07.31"]
[PlyCount "78"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 b6 8.Rd1 Bb7
9.cxd5 exd5 10.Nc3 Rc8 11.Bf4 Re8 12.Nb5 Bd6 13.Nxa7 Ra8 14.Bxd6 cxd6 15.
Nb5 Ba6 16.Nc3 Rc8 17.e3 b5 18.Qb3 Nb6 19.Nd2 Qd7 20.Rac1 g6 21.Qb4 Ra8 
22.b3 Reb8 23.Bf1 Nc8 24.Rc2 Ne7 25.Ne2 Nc6 26.Qc3 Rc8 27.Qa1 Qf5 28.Rdc1 
Nb4 29.Rxc8+ Bxc8 30.Nf4 Rxa2 31.Qc3 g5 32.Bh3 g4 33.Bf1 Rxd2 34.Qxd2 Na6 
35.Qc2 Qxc2 36.Rxc2 Bf5 37.Bd3 Ne4 38.Nxd5 Kg7 39.Ra2 Nb8 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "9"]
[White "Garcia, Gilberto"]
[Black "Cadena, Jorge"]
[Result "0-1"]
[ECO "C73"]
[EventDate "1963.07.31"]
[PlyCount "74"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.O-O Nf6 7.h3 Be7 8.d4 
exd4 9.Nxd4 Bd7 10.Re1 O-O 11.Nd2 Re8 12.b3 c5 13.N4f3 Bc6 14.Nh2 Bf8 15.
f3 Nh5 16.Ndf1 Qh4 17.Be3 g6 18.c3 a5 19.Qd2 Qe7 20.Ng4 Bg7 21.Bg5 f6 22.
Bh4 Qf7 23.Nh6+ Bxh6 24.Qxh6 g5 25.Bf2 Qg6 26.Qxg6+ hxg6 27.Be3 Reb8 28.
Nd2 Bb5 29.c4 Bc6 30.Kf2 a4 31.Re2 axb3 32.Nf1 b2 33.Rb1 Rxa2 34.Bd2 Nf4 
35.Bxf4 gxf4 36.Rc2 Ba4 37.Rc3 Rb3 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "9"]
[White "Lopez, Mario Dario"]
[Black "Gadia, Olicio"]
[Result "0-1"]
[ECO "B91"]
[EventDate "1963.07.31"]
[PlyCount "66"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be7 8.Bg2 
O-O 9.O-O b5 10.a3 Bb7 11.h3 Nbd7 12.b4 Nb6 13.g4 d5 14.exd5 Nfxd5 15.Nxd5
Bxd5 16.Bxd5 Nxd5 17.Bb2 Qd6 18.Qd3 Rfd8 19.c4 bxc4 20.Qxc4 Rac8 21.Qb3 
Bg5 22.Rad1 Qe6 23.Qg3 Rc2 24.Bc1 Bxc1 25.Nxc1 h5 26.Nb3 Rc3 27.Qh4 Rd6 
28.Nc5 Qg6 29.Rfe1 Nf4 30.Rxd6 Qxd6 31.Ne4 Qd5 32.Re3 Qd1+ 33.Kh2 Rc1 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "9"]
[White "Vergara, Alejandro"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "C44"]
[EventDate "1963.07.31"]
[PlyCount "92"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bb5 a6 5.Bc4 Nf6 6.O-O Bc5 7.e5 d5 8.exf6 
dxc4 9.Re1+ Be6 10.Ng5 Qd5 11.Nc3 Qf5 12.fxg7 Rg8 13.Nce4 Be7 14.Nxe6 fxe6
15.Ng3 Qg6 16.Bf4 Rxg7 17.Bxc7 Bb4 18.Be5 Bxe1 19.Bxg7 Ba5 20.Be5 O-O-O 
21.Bf4 e5 22.Bc1 Nb4 23.f4 d3 24.c3 Nc2 25.Rb1 d2 26.Bxd2 exf4 27.Rc1 Bb6+
28.Kh1 Ne3 29.Qe2 Qd3 30.Qxd3 cxd3 31.Ne4 Rg8 32.g3 fxg3 33.hxg3 Rg4 34.
Nf6 Rxg3 35.Bxe3 Bxe3 36.Rd1 Rg1+ 37.Rxg1 Bxg1 38.Ne4 Be3 39.c4 Kd7 40.Kg2
Bd4 41.b3 Ke6 42.Kf3 Ke5 43.Ng5 h5 44.Nh3 d2 45.Ke2 Be3 46.b4 Kd4 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "10"]
[White "Cadena, Jorge"]
[Black "Lopez, Mario Dario"]
[Result "1-0"]
[ECO "A85"]
[EventDate "1963.07.31"]
[PlyCount "97"]

1.d4 f5 2.c4 e6 3.Nc3 Nf6 4.e3 c6 5.Bd3 d5 6.Nge2 Bd6 7.Ng3 O-O 8.Bd2 Nbd7
9.Qe2 Ne4 10.O-O-O Kh8 11.Be1 Nxc3 12.Bxc3 a5 13.f3 Bb4 14.Qc2 dxc4 15.
Bxc4 Nb6 16.Bd3 Nd5 17.Bd2 Bxd2+ 18.Qxd2 Nb4 19.Bc4 b5 20.Bb3 Qe7 21.a3 
Nd5 22.Bxd5 cxd5 23.Kb1 Bd7 24.Rc1 b4 25.axb4 axb4 26.b3 Ra3 27.Kb2 g6 28.
Ra1 Rfa8 29.Rxa3 bxa3+ 30.Ka2 Bb5 31.Rc1 h5 32.Rc5 Be8 33.Ne2 Qh4 34.Nf4 
Qxh2 35.Nxe6 Ra7 36.e4 Kh7 37.exf5 gxf5 38.Qg5 Qg1 39.Qxf5+ Kg8 40.Qf8+ 
Kh7 41.Ng5+ Kg6 42.Qxe8+ Kxg5 43.Rxd5+ Kh4 44.Qe4+ Kg3 45.Rg5+ Kf2 46.Qc2+
Ke3 47.Re5+ Kf4 48.Qd2+ Kg3 49.Qg5+ 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "10"]
[White "De Greiff, Boris"]
[Black "Garcia, Gilberto"]
[Result "1-0"]
[ECO "D82"]
[EventDate "1963.07.31"]
[PlyCount "52"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 c5 5.dxc5 Qa5 6.cxd5 Bg7 7.Qd2 O-O 8.e4 
Qxc5 9.Bd3 Na6 10.Nf3 e6 11.Bxa6 bxa6 12.O-O Rd8 13.Bg5 Rd7 14.Rac1 Qa5 
15.Rfd1 Bb7 16.Bxf6 Bxf6 17.Qf4 Bxc3 18.Rxc3 exd5 19.Ne5 Re7 20.Qf6 Qa4 
21.b3 Qe8 22.f4 dxe4 23.Ng4 h5 24.Nh6+ Kh7 25.Nf5 Qh8 26.Qxh8+ Rxh8 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "10"]
[White "Gadia, Olicio"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "C25"]
[EventDate "1963.07.31"]
[PlyCount "107"]

1.e4 e5 2.Nc3 Bc5 3.g3 d6 4.Bg2 Nc6 5.Nge2 f5 6.d3 Nf6 7.O-O O-O 8.Na4 Bb6
9.Nxb6 axb6 10.h3 fxe4 11.dxe4 Be6 12.Nc3 Qd7 13.Kh2 Rf7 14.f4 g6 15.Be3 
Re8 16.Qd3 Ref8 17.f5 gxf5 18.exf5 Nb4 19.fxe6 Nxd3 20.exd7 Nxb2 21.Rxf6 
Rxf6 22.d8=Q Rxd8 23.Bg5 Kg7 24.Bxf6+ Kxf6 25.Bxb7 Nc4 26.Rf1+ Kg7 27.Nd5 
c5 28.Ba6 Nd2 29.Rf2 Ne4 30.Re2 Ng5 31.Nxb6 d5 32.a4 e4 33.a5 Kf6 34.Bb7 
Nf3+ 35.Kg2 Nd4 36.Nxd5+ Ke5 37.Kf2 Rf8+ 38.Nf4 Nxe2 39.Kxe2 Rg8 40.Kf2 
e3+ 41.Kf3 h5 42.h4 Kd6 43.a6 Kc7 44.Bd5 e2 45.Kxe2 Re8+ 46.Ne6+ Kb6 47.
Kf3 Re7 48.Bc4 Rf7+ 49.Nf4 Rh7 50.Nd5+ Ka7 51.Nf6 Rh6 52.Ng8 Rd6 53.Ne7 
Rd1 54.Nc8+ 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "10"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Estrada Degrandi, Walter"]
[Result "1/2-1/2"]
[ECO "A82"]
[EventDate "1963.07.31"]
[PlyCount "28"]

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4 d5 5.g5 Ng8 6.f3 e3 7.Bxe3 Bf5 8.Bd3 Qd7 
9.Qd2 e6 10.O-O-O Bb4 11.Bxf5 exf5 12.Nge2 Nc6 13.Nf4 Nge7 14.Nd3 O-O-O 
1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "10"]
[White "Letelier Martner, Rene"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "A48"]
[EventDate "1963.07.31"]
[PlyCount "74"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nbd2 d5 5.e3 O-O 6.h3 c5 7.c3 Nc6 8.Be2 Nd7 
9.O-O e5 10.dxe5 Ndxe5 11.Nxe5 Nxe5 12.Nf3 Nc6 13.Qb3 b6 14.Rad1 Be6 15.
Qa4 Na5 16.e4 Qe7 17.Rfe1 Rad8 18.e5 h6 19.Qc2 Nc6 20.Qc1 Kh7 21.Bb5 Qc7 
22.Bd3 Ne7 23.Bc2 Qc8 24.Bh2 Bf5 25.Bxf5 Qxf5 26.Qe3 Rfe8 27.a3 Qe6 28.Qf4
Kg8 29.Re2 Rd7 30.Qa4 Qc6 31.Qc2 Qe6 32.Qa4 Qc6 33.Qc2 Qe6 34.Ne1 g5 35.
Qa4 Qc6 36.Qc2 Qe6 37.Qa4 Qc6 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "10"]
[White "Ortega, Rogelio"]
[Black "Etcheverry, Eduardo"]
[Result "0-1"]
[ECO "B03"]
[EventDate "1963.07.31"]
[PlyCount "77"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.d4 d6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 Bf5 8.Nf3 
Nb4 9.Na3 e6 10.Be2 Be7 11.O-O O-O 12.Ne1 f6 13.Qb3 fxe5 14.dxe5 c6 15.
Nac2 Na6 16.Nd4 Nc5 17.Qd1 Qc7 18.Nxf5 Rxf5 19.Rxf5 exf5 20.Nf3 Nbd7 21.
Bd4 Ne6 22.Bc3 Ndc5 23.Qc2 Ne4 24.Bd3 Qb6+ 25.c5 Qxc5+ 26.Kf1 Qd5 27.Rd1 
Rd8 28.Be1 Kh8 29.Be2 Qc5 30.Rxd8+ Bxd8 31.Qc3 Bb6 32.Qd3 Nf4 33.Qd7 g6 
34.b4 Qe3 35.Qe8+ Kg7 36.Qe7+ Kh6 37.Qh4+ Nh5 38.Qe7 Nd2+ 39.Bxd2 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "10"]
[White "Vergara, Alejandro"]
[Black "Foguelman, Alberto"]
[Result "0-1"]
[ECO "C06"]
[EventDate "1963.07.31"]
[PlyCount "116"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 Qb6 8.Nf3 cxd4
9.cxd4 Bb4+ 10.Kf1 Be7 11.a3 a6 12.b4 Nf8 13.Be3 Bd7 14.h4 Na7 15.Nc3 Rc8 
16.Na4 Bxa4 17.Qxa4+ Nd7 18.Rh3 Qc6 19.Qd1 Nb6 20.Rg3 g6 21.Ng5 Qc3 22.Bd2
Qc7 23.Rf3 Bxg5 24.Bxg5 Nc4 25.Kg1 Qd7 26.Bf6 Rg8 27.Rf4 Nb2 28.Qd2 Nxd3 
29.Qxd3 Rc4 30.Qb3 Nb5 31.Rd1 Nc3 32.Re1 Ne4 33.Qd3 Rc3 34.Qb1 Qc7 35.b5 
Nxf6 36.Rxf6 a5 37.Rf3 Rc4 38.b6 Qc6 39.Rd1 Ke7 40.Qd3 Rc8 41.Qd2 Rc1 42.
Kh2 Rxd1 43.Qxd1 Qc2 44.Qe1 Qe4 45.Qd2 Qxh4+ 46.Rh3 Qg4 47.Rc3 Rc4 48.Rxc4
dxc4 49.f3 Qf5 50.Qxa5 Qf4+ 51.Kh3 Qxd4 52.Qb4+ Ke8 53.a4 h5 54.a5 g5 55.
Qb5+ Kd8 56.Kh2 c3 57.a6 c2 58.Qf1 Qf4+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "11"]
[White "Calero, Carlos"]
[Black "Cadena, Jorge"]
[Result "0-1"]
[ECO "B96"]
[EventDate "1963.07.31"]
[PlyCount "130"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nbd7 8.Qf3 
Qc7 9.O-O-O b5 10.Bxf6 Nxf6 11.Bd3 Bb7 12.Rhe1 Be7 13.g4 b4 14.Nce2 Nd7 
15.g5 Nc5 16.Ng3 g6 17.h4 O-O-O 18.Kb1 Kb8 19.Qf1 Rd7 20.Rc1 Qb6 21.Nb3 
Rc8 22.f5 Rdc7 23.Nxc5 Qxc5 24.f6 Bf8 25.Qf4 Qa5 26.Ne2 d5 27.e5 Bc5 28.
Nd4 Qb6 29.Nb3 Bf8 30.h5 a5 31.hxg6 hxg6 32.Rh1 a4 33.Nd4 Bc5 34.Rh4 Ba6 
35.Bxa6 Qxa6 36.Qd2 Qb6 37.Rd1 Rb7 38.Rh3 Qc7 39.Nf3 Be3 40.Qe2 b3 41.c3 
bxa2+ 42.Kxa2 a3 43.b3 Qxc3 44.Nd4 Qb2+ 45.Qxb2 axb2 46.Kxb2 Bxg5 47.Nf3 
Bf4 48.Rh4 g5 49.Rg4 Rc4 50.Ka2 Rc2+ 51.Kb1 Rc3 52.Nd4 Bxe5 53.Kb2 Rcxb3+ 
54.Kc2 Bxd4 55.Rdxd4 Rf3 56.Rxg5 Rxf6 57.Rg8+ Kc7 58.Rh4 Kd6 59.Rh5 Rf3 
60.Rd8+ Ke7 61.Rdh8 d4 62.Rh4 d3+ 63.Kc1 Rf2 64.Rc8 d2+ 65.Kc2 d1=Q+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "11"]
[White "Cobo Arteaga, Eldis"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "D07"]
[EventDate "1963.07.31"]
[PlyCount "24"]

1.d4 d5 2.c4 Nc6 3.Nf3 Bg4 4.e3 e5 5.dxe5 dxc4 6.Qxd8+ Rxd8 7.Bxc4 Bxf3 8.
gxf3 Nxe5 9.Be2 Nd3+ 10.Bxd3 Rxd3 11.Ke2 Rd7 12.Nc3 Nf6 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "11"]
[White "Estrada Degrandi, Walter"]
[Black "Gadia, Olicio"]
[Result "0-1"]
[ECO "A43"]
[EventDate "1963.07.31"]
[PlyCount "82"]

1.d4 c5 2.d5 g6 3.c4 d6 4.Nc3 Bg7 5.e4 Na6 6.Nf3 Nc7 7.Bf4 Bg4 8.Qa4+ Bd7 
9.Qc2 f6 10.Qd2 a6 11.a3 g5 12.Be3 b5 13.b3 h5 14.Bd3 Nh6 15.e5 Bf5 16.e6 
Kf8 17.O-O Qe8 18.Bxf5 Nxf5 19.Qd3 Qg6 20.Rad1 g4 21.Nd2 Bh6 22.Nde4 Kg7 
23.Ne2 h4 24.Nf4 Bxf4 25.Bxf4 Ne8 26.b4 Nd4 27.bxc5 dxc5 28.Rfe1 bxc4 29.
Qxc4 Nf3+ 30.gxf3 gxf3+ 31.Ng3 hxg3 32.Bxg3 Nd6 33.Qd3 Qg4 34.Re3 Rxh2 35.
Rxf3 Rah8 36.Kf1 Rh1+ 37.Ke2 Nb5 38.Rxh1 Rxh1 39.Be5 fxe5 40.Kd2 Qg5+ 41.
Qe3 Qxe3+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "11"]
[White "Etcheverry, Eduardo"]
[Black "Vergara, Alejandro"]
[Result "0-1"]
[ECO "D29"]
[EventDate "1963.07.31"]
[PlyCount "40"]

1.d4 d5 2.Nf3 Nf6 3.c4 dxc4 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Nc3 b5 8.Bb3 Bb7 
9.Qe2 Nbd7 10.a4 c4 11.Bc2 b4 12.Nb1 Qc7 13.Bd2 a5 14.Rc1 Ba6 15.Qe1 Qb7 
16.Ne5 Nxe5 17.dxe5 Ne4 18.f3 Nc5 19.Qg3 c3 20.bxc3 b3 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "11"]
[White "Foguelman, Alberto"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "C71"]
[EventDate "1963.07.31"]
[PlyCount "114"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c4 Bd7 6.Nc3 g6 7.d4 Bg7 8.Be3 Nge7 
9.O-O O-O 10.h3 Nxd4 11.Nxd4 Bxa4 12.Nxa4 exd4 13.Bxd4 Bxd4 14.Qxd4 Nc6 
15.Qd2 Qd7 16.Nc3 Rae8 17.Rfe1 f6 18.Rad1 Qf7 19.Nd5 Re6 20.Qc3 Rfe8 21.b4
Nb8 22.f3 Kg7 23.Rb1 c6 24.Nf4 R6e7 25.Red1 Rd7 26.Rd2 b5 27.cxb5 axb5 28.
Qb3 Qxb3 29.Rxb3 Kf7 30.Ra3 Ke7 31.Ra8 Rc7 32.Rc2 Kd7 33.h4 Rb7 34.h5 Rg8 
35.Kf2 Rg7 36.Rc1 Rg8 37.hxg6 hxg6 38.Rh1 Kc8 39.Rc1 Kd7 40.Ne2 Kc7 41.Nd4
Kb6 42.Ke3 Rc7 43.g3 Kb7 44.Ra3 Re8 45.Rac3 Kb6 46.Kf4 Re5 47.Rh1 c5 48.
Nc2 Nc6 49.a3 cxb4 50.axb4 d5 51.Rh6 dxe4 52.Rxg6 exf3 53.Rxf3 Rf7 54.Re3 
Rxe3 55.Kxe3 Ne5 56.Rg8 Nc6 57.Re8 Kc7 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "11"]
[White "Garcia, Gilberto"]
[Black "Ortega, Rogelio"]
[Result "1-0"]
[ECO "E00"]
[EventDate "1963.07.31"]
[PlyCount "85"]

1.d4 Nf6 2.c4 e6 3.a3 d6 4.Nf3 Nbd7 5.g3 e5 6.Bg2 Be7 7.O-O O-O 8.Nc3 Re8 
9.d5 Nf8 10.Qc2 Ng6 11.Ng5 Ng4 12.h4 h6 13.Ne6 Qd7 14.Bh3 Nf8 15.Bxg4 fxe6
16.f4 Qd8 17.Bh5 exf4 18.Bxf4 e5 19.Be3 Bh3 20.Rf2 Qd7 21.Bxe8 Rxe8 22.Kh2
Bd8 23.Qa4 c6 24.Ne4 Bg4 25.Raf1 Bh5 26.c5 dxc5 27.Bxc5 Nh7 28.Nd6 Re7 29.
dxc6 bxc6 30.Qb3+ Qe6 31.Qb8 Rd7 32.Nb7 Qd5 33.Bd6 Nf6 34.Nxd8 Qxd6 35.
Qb3+ Kh7 36.Nb7 Qb8 37.Rxf6 gxf6 38.Rxf6 Qxb7 39.Qe3 Bg6 40.h5 Bf7 41.
Rxh6+ Kg8 42.Qg5+ Kf8 43.Qf6 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "11"]
[White "Lopez, Mario Dario"]
[Black "De Greiff, Boris"]
[Result "0-1"]
[ECO "B34"]
[EventDate "1963.07.31"]
[PlyCount "112"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nxc6 bxc6 6.Qd4 f6 7.Bc4 e6 8.Nc3 
Nh6 9.O-O Nf7 10.Bb3 Bg7 11.Be3 O-O 12.Rad1 Qa5 13.Qc5 Qxc5 14.Bxc5 Rd8 
15.Be7 Re8 16.Bc5 f5 17.exf5 gxf5 18.Rfe1 d5 19.f4 Ba6 20.Re3 Kh8 21.Rg3 
Rg8 22.Re1 Bc8 23.Na4 Nd8 24.c3 Nb7 25.Bf2 Bd7 26.Nc5 Nxc5 27.Bxc5 Bf6 28.
Rxg8+ Kxg8 29.Re3 a5 30.Bd1 Rb8 31.Rg3+ Kh8 32.b3 Rb5 33.b4 Rb8 34.bxa5 
Rb1 35.Rd3 Bc8 36.Bd4 Kg7 37.Rd2 Ba6 38.Kf2 c5 39.Bxf6+ Kxf6 40.Ba4 Ke7 
41.g3 Kd6 42.Be8 Bb5 43.Bxb5 Rxb5 44.g4 fxg4 45.Kg3 Rxa5 46.Kxg4 Ra3 47.
Rc2 d4 48.cxd4 cxd4 49.h4 Kd5 50.Re2 d3 51.Re5+ Kd6 52.Kf3 Rxa2 53.Rh5 Rh2
54.Kg3 d2 55.Kxh2 d1=Q 56.Rg5 Qf3 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "12"]
[White "Cadena, Jorge"]
[Black "Estrada Degrandi, Walter"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1963.07.31"]
[PlyCount "82"]

1.d4 d5 2.Nf3 e6 3.e3 Nd7 4.c4 c6 5.Nc3 f5 6.Ne5 Ngf6 7.Be2 Nxe5 8.dxe5 
Nd7 9.f4 Qh4+ 10.g3 Qh3 11.Bd2 Nc5 12.Qc2 Bd7 13.O-O-O Be7 14.Rdg1 g5 15.
Kb1 Ne4 16.Nxe4 dxe4 17.Qa4 c5 18.Qa5 b6 19.Qa6 Bc6 20.Bc1 Rg8 21.Rd1 gxf4
22.gxf4 Kf7 23.Qa3 Rg6 24.Qc3 Rh6 25.Rdg1 Rg8 26.Qe1 Bh4 27.Qf1 Qxf1 28.
Bxf1 Rhg6 29.Rxg6 Rxg6 30.Kc2 Bf2 31.Kd1 Rh6 32.Bd2 Kf8 33.Ke2 Bg3 34.Be1 
Bxe1 35.Kxe1 Be8 36.h3 Bh5 37.Rh2 Bf3 38.Rd2 Ke7 39.Rd6 Rg6 40.Kf2 Rg8 41.
a3 Rd8 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "12"]
[White "De Greiff, Boris"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "E85"]
[EventDate "1963.07.31"]
[PlyCount "75"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.dxe5 dxe5 8.Qxd8 
Rxd8 9.Nd5 Nxd5 10.cxd5 c6 11.Bc4 b5 12.Bb3 Bb7 13.Rc1 a5 14.dxc6 Bxc6 15.
Nh3 a4 16.Bd1 Rc8 17.Be2 Nd7 18.O-O Nf8 19.Rfd1 Bd7 20.Nf2 Rxc1 21.Rxc1 
Ne6 22.Kf1 Bf8 23.Nd3 f6 24.Nc5 Nxc5 25.Bxc5 Rc8 26.Be3 Rxc1+ 27.Bxc1 Bc5 
28.b3 a3 29.Bd2 Bd4 30.Bb4 Bb2 31.Ke1 Be6 32.Bxb5 Bxb3 33.Bxa3 Bc3+ 34.Ke2
Bxa2 35.Kd3 Ba5 36.Bc4+ Bxc4+ 37.Kxc4 Kf7 38.Kd5 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "12"]
[White "Foguelman, Alberto"]
[Black "Etcheverry, Eduardo"]
[Result "1-0"]
[ECO "C46"]
[EventDate "1963.07.31"]
[PlyCount "79"]

1.e4 Nc6 2.Nc3 e5 3.Nf3 Bb4 4.Bc4 Nf6 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3 8.bxc3 
Na5 9.Nd2 h6 10.Bh4 Qe7 11.Bb3 Be6 12.Re1 Rad8 13.Nf1 Nxb3 14.axb3 a6 15.
Ne3 g5 16.Bg3 Ne8 17.d4 Ng7 18.Qe2 f6 19.Rad1 Qf7 20.Rd2 Qg6 21.f3 Kh8 22.
Red1 Rde8 23.Nf1 Nh5 24.Re1 Nf4 25.Qd1 h5 26.c4 h4 27.Bf2 h3 28.g4 Ng2 29.
Ree2 Nf4 30.Re3 Ng2 31.Rc3 Qf7 32.d5 Bd7 33.c5 Bb5 34.Ng3 Bd7 35.cxd6 cxd6
36.Rc7 Re7 37.Rxb7 Bc8 38.Rxe7 Qxe7 39.c4 Qc7 40.c5 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "12"]
[White "Gadia, Olicio"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "B20"]
[EventDate "1963.07.31"]
[PlyCount "116"]

1.e4 c5 2.d3 Nc6 3.g3 d5 4.Nd2 Nf6 5.Bg2 e6 6.Ne2 Be7 7.O-O O-O 8.h3 Qc7 
9.g4 dxe4 10.dxe4 b6 11.Ng3 Ba6 12.Re1 Rfd8 13.Qf3 Nd4 14.Qc3 Rac8 15.Nf3 
b5 16.b3 b4 17.Qb2 Nb5 18.Ne5 Bd6 19.Nd3 Bxg3 20.fxg3 Qxg3 21.Bf4 Qh4 22.
Ne5 Nd7 23.Nf3 Qe7 24.e5 Nc3 25.Bg5 f6 26.exf6 Nxf6 27.a3 Qd6 28.axb4 cxb4
29.Ne5 Rf8 30.Kh1 Rc5 31.Rxa6 Qxa6 32.Bxf6 Rxf6 33.Nd7 Qd6 34.Nxf6+ gxf6 
35.Qc1 Re5 36.Bf3 Rxe1+ 37.Qxe1 e5 38.Kg2 Qd4 39.h4 Qf4 40.Qf1 Qd4 41.Qa6 
e4 42.Be2 Nxe2 43.Qxe2 Kg7 44.Kh3 Kg6 45.Kg2 Kg7 46.Kh3 h5 47.gxh5 Kh6 48.
Kg2 f5 49.Kh3 e3 50.Qa6+ Kxh5 51.Qe6 Qxh4+ 52.Kg2 Qe4+ 53.Qxe4 fxe4 54.Kg3
Kg5 55.Kg2 Kf4 56.Kf1 Kf3 57.Ke1 e2 58.c4 bxc3 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "12"]
[White "Letelier Martner, Rene"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1963.07.31"]
[PlyCount "56"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7 7.O-O e5 8.e4 c6 
9.h3 Qe7 10.Re1 Ne8 11.Be3 f5 12.Qd2 Qf6 13.exf5 gxf5 14.Bg5 Qf7 15.dxe5 
dxe5 16.Rac1 e4 17.Nh4 Ne5 18.Nxe4 fxe4 19.Bxe4 Nf6 20.Bb1 Ng6 21.Nf5 Bxf5
22.Bxf5 Rae8 23.Kg2 Ne4 24.Rxe4 Qxf5 25.Rxe8 Rxe8 26.Be3 Qe4+ 27.Kg1 Ne5 
28.Qc2 Nd3 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "12"]
[White "Ortega, Rogelio"]
[Black "Lopez, Mario Dario"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1963.07.31"]
[PlyCount "61"]

1.e3 Nf6 2.c3 d5 3.d3 e6 4.Qc2 c5 5.Nf3 Nc6 6.d4 Bd7 7.Nbd2 Rc8 8.Be2 b6 
9.O-O g6 10.dxc5 Bxc5 11.e4 h5 12.exd5 Nxd5 13.Ne4 Be7 14.Rd1 Qc7 15.Qd3 
Rd8 16.Bf1 Ne5 17.Qe2 Nxf3+ 18.Qxf3 f5 19.Ng5 h4 20.Re1 Qd6 21.c4 Rh5 22.
cxd5 Bxg5 23.dxe6 Bc6 24.Qc3 f4 25.Qg7 Qe7 26.Qxg6+ Kf8 27.Qxh5 Kg7 28.b3 
Kg8 29.Ba3 Qg7 30.e7 Bxe7 31.Rxe7 1-0

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "12"]
[White "Vergara, Alejandro"]
[Black "Garcia, Gilberto"]
[Result "0-1"]
[ECO "B18"]
[EventDate "1963.07.31"]
[PlyCount "76"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nh3 e6 8.Nf4 Bh7
9.Bc4 Nd7 10.Bb3 Ngf6 11.Qe2 Qb6 12.Be3 Nd5 13.Nxd5 cxd5 14.Nh5 a5 15.a4 
Rc8 16.Rc1 Qb4+ 17.Kf1 Nb6 18.Bd2 Qxd4 19.Bc3 Qc5 20.Nxg7+ Bxg7 21.Bxg7 
Rg8 22.Bxh6 Qc6 23.Bg5 Nxa4 24.Rd1 Nb6 25.c3 Nc4 26.Rd4 Qc5 27.g4 Qb5 28.
Bxc4 Rxc4 29.b3 Qxb3 30.Rxd5 Rc8 31.Rxa5 f6 32.Rb5 Qc4 33.Qxc4 Rxc4 34.
Bxf6 Bd3+ 35.Kg2 Rcxg4+ 36.Kh3 Bxb5 37.Bg5 R4xg5 38.hxg5 Rh8+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "13"]
[White "Calero, Carlos"]
[Black "Ortega, Rogelio"]
[Result "0-1"]
[ECO "E00"]
[EventDate "1963.07.31"]
[PlyCount "100"]

1.d4 Nf6 2.c4 e6 3.a3 d6 4.Nf3 Nbd7 5.Nc3 Be7 6.g3 e5 7.e4 O-O 8.Bg2 a5 9.
b3 Qe8 10.O-O exd4 11.Nxd4 Nc5 12.Re1 Bd8 13.Bb2 Bd7 14.h3 Qe5 15.Kh2 Qg5 
16.Bc1 Qg6 17.f3 Re8 18.g4 h5 19.g5 h4 20.Ra2 Nh5 21.f4 Ng3 22.f5 Qh7 23.
Rf2 c6 24.Bf4 Bb6 25.Bxg3 hxg3+ 26.Kxg3 d5 27.cxd5 Bc7+ 28.Kg4 g6 29.h4 
Be5 30.dxc6 bxc6 31.Nce2 Rad8 32.b4 axb4 33.axb4 Nb7 34.Qb1 Nd6 35.Ref1 f6
36.Qb3+ Kh8 37.Rh1 gxf5+ 38.Nxf5 Qg6 39.Ng3 Bxg3 40.Kxg3 Bxf5 41.exf5 
Nxf5+ 42.Kh2 Rd4 43.Qb1 Rxh4+ 44.Bh3 Re3 45.Kg1 Qxg5+ 46.Rg2 Ng3 47.Qa1 
Ne2+ 48.Kf1 Rf4+ 49.Ke1 Ng3+ 50.Kd2 Qd5+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "13"]
[White "Cobo Arteaga, Eldis"]
[Black "Cadena, Jorge"]
[Result "1/2-1/2"]
[ECO "D90"]
[EventDate "1963.07.31"]
[PlyCount "20"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 g6 5.cxd5 cxd5 6.Bf4 Bg7 7.e3 a6 8.h3 Nc6 
9.Be2 Bd7 10.Ne5 e6 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "13"]
[White "Estrada Degrandi, Walter"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1963.07.31"]
[PlyCount "31"]

1.d4 d5 2.Nf3 Nc6 3.Bf4 Bg4 4.Nbd2 e6 5.c3 Nf6 6.e3 a6 7.Bd3 Bd6 8.Qc2 Bh5
9.O-O Bg6 10.Bg3 O-O 11.Bxg6 hxg6 12.e4 Nh5 13.Rae1 Qd7 14.exd5 exd5 15.
Bxd6 cxd6 16.h3 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "13"]
[White "Etcheverry, Eduardo"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "D06"]
[EventDate "1963.07.31"]
[PlyCount "30"]

1.d4 d5 2.Nf3 c5 3.c4 Nf6 4.cxd5 cxd4 5.Qxd4 Qxd5 6.Nc3 Qxd4 7.Nxd4 a6 8.
Bg5 e6 9.g3 h6 10.Bd2 e5 11.Nb3 Bd7 12.Bg2 Bc6 13.O-O Bxg2 14.Kxg2 Nc6 15.
Rac1 Be7 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "13"]
[White "Garcia, Gilberto"]
[Black "Foguelman, Alberto"]
[Result "0-1"]
[ECO "E24"]
[EventDate "1963.07.31"]
[PlyCount "66"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 h6 6.f3 d6 7.e3 O-O 8.Bd3 Nc6
9.a4 b6 10.Ne2 Re8 11.O-O Na5 12.Ng3 Ba6 13.Qe2 c5 14.e4 cxd4 15.cxd4 Nb3 
16.Bb2 Nxa1 17.e5 dxe5 18.dxe5 Nd7 19.Bxa1 Nc5 20.Bb1 Qh4 21.f4 Rad8 22.
Bc3 g6 23.Be1 Qe7 24.Nh5 Nd7 25.Bd3 gxh5 26.Qxh5 Nxe5 27.Bh7+ Kxh7 28.fxe5
f5 29.Bh4 Qc5+ 30.Kh1 Qxe5 31.Re1 Qg7 32.Bxd8 Rxd8 33.Rxe6 Qa1+ 0-1

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "13"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Gadia, Olicio"]
[Result "1/2-1/2"]
[ECO "D86"]
[EventDate "1963.07.31"]
[PlyCount "32"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 c5 7.Bc4 Bg7 8.Ne2 
cxd4 9.cxd4 Nc6 10.Be3 b5 11.Bxb5 Qa5+ 12.Nc3 Qxc3+ 13.Bd2 Qxd4 14.Bxc6+ 
Bd7 15.Bxa8 Qxa1 16.Qxa1 Bxa1 1/2-1/2

[Event "4th Pan-American ch"]
[Site "Havana CUB"]
[Date "1963.??.??"]
[Round "13"]
[White "Lopez, Mario Dario"]
[Black "Vergara, Alejandro"]
[Result "1-0"]
[ECO "B72"]
[EventDate "1963.07.31"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.Be3 a6 8.a4 
Nbd7 9.O-O Qc7 10.Nd5 Nxd5 11.exd5 Nf6 12.c4 O-O 13.h3 Bd7 14.Bd3 e5 15.
Nb3 a5 16.Nd2 Rfe8 17.Re1 Nh5 18.Qb3 f5 19.Rac1 e4 20.Bf1 Qd8 21.g3 Be5 
22.c5 dxc5 23.Rxc5 Bd6 24.Rc2 f4 25.gxf4 Qh4 26.Qxb7 Bxh3 27.Bxh3 Qxh3 28.
Nxe4 Rab8 29.Qxh7+ Kxh7 30.Ng5+ Kg8 31.Nxh3 Nxf4 32.Nxf4 Bxf4 33.Rc5 Rxb2 
34.Rxa5 Ra2 35.Ra6 Kf7 36.Kg2 Be5 37.Rd1 Rd8 38.Kf3 Rf8 39.Rh1 Bf6 40.Rg1 
Be5 41.Rb1 1-0

