[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "1"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Fuster, Geza"]
[Result "1-0"]
[ECO "B84"]
[EventDate "1966.04.19"]
[PlyCount "80"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 a6 7.O-O Qc7 8.f4 
Nbd7 9.Bf3 Be7 10.Qe1 O-O 11.Be3 g6 12.Rd1 Re8 13.Nb3 Rb8 14.g4 Nb6 15.g5 
Nfd7 16.h4 Nc4 17.Bc1 b5 18.h5 b4 19.Ne2 Qb6+ 20.Kg2 Ne3+ 21.Bxe3 Qxe3 22.
Nbd4 Nc5 23.Qh4 Bb7 24.hxg6 fxg6 25.Ng3 Rf8 26.Nde2 Rf7 27.Kh2 Nxe4 28.
Bxe4 Bxe4 29.Nd4 Bd5 30.Rd3 Qxd3 31.cxd3 e5 32.fxe5 Rxf1 33.Nxf1 dxe5 34.
Nc6 Bxc6 35.Qc4+ Kg7 36.Qxc6 Rf8 37.Ng3 Bxg5 38.Ne4 Bf4+ 39.Kg2 h5 40.Qxa6
g5 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "1"]
[White "Arraya, Jorge"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "0-1"]
[ECO "E84"]
[EventDate "1966.04.19"]
[PlyCount "84"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Qd2 a6 8.Nge2 Rb8 
9.d5 Ne5 10.Nd4 c5 11.Nc2 e6 12.Be2 exd5 13.exd5 Re8 14.O-O Bf5 15.Bf2 Qa5
16.Ne3 Bc8 17.Rfe1 Bh6 18.Bf1 Nh5 19.Qc2 f5 20.a3 Qc7 21.Rab1 Bd7 22.a4 
Nf6 23.Bh4 Bg7 24.b3 h6 25.Bf2 f4 26.Ned1 Bf5 27.Ne4 Bxe4 28.fxe4 Nfg4 29.
h3 Nxf2 30.Nxf2 f3 31.g4 Qe7 32.Re3 Qh4 33.Nh1 Rf8 34.Qf2 Qg5 35.Ng3 a5 
36.Rd1 b6 37.Ree1 Rb7 38.Kh2 Qh4 39.Kg1 Rbf7 40.Nh1 Qg5 41.Qg3 f2+ 42.Nxf2
Nf3+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "1"]
[White "Bielicki, Carlos"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "E91"]
[EventDate "1966.04.19"]
[PlyCount "72"]

1.d4 Nf6 2.c4 d6 3.Nc3 g6 4.e4 Bg7 5.Nf3 O-O 6.Be2 Bg4 7.O-O Nfd7 8.Be3 e5
9.d5 a5 10.Rb1 Na6 11.a3 Bxf3 12.Bxf3 f5 13.b4 f4 14.Bd2 axb4 15.axb4 Nf6 
16.Be2 g5 17.f3 c5 18.dxc6 bxc6 19.b5 Qb6+ 20.Kh1 Nc7 21.bxc6 Qxc6 22.Nd5 
Ncxd5 23.cxd5 Qa4 24.Qxa4 Rxa4 25.Bb4 Rd8 26.Bb5 Ra2 27.Bc6 Bf8 28.Kg1 Rb8
29.Rf2 Rxf2 30.Kxf2 Be7 31.Ke2 Bd8 32.Kd3 Ba5 33.Kc4 Rxb4+ 34.Rxb4 Bxb4 
35.Kxb4 g4 36.Bb5 Kf7 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "1"]
[White "Calero, Carlos"]
[Black "Santa Cruz, Hugo"]
[Result "1/2-1/2"]
[ECO "D40"]
[EventDate "1966.04.19"]
[PlyCount "69"]

1.d4 d5 2.c4 e6 3.Nf3 c5 4.e3 Nc6 5.Nc3 Nf6 6.a3 dxc4 7.Bxc4 a6 8.dxc5 
Qxd1+ 9.Kxd1 Bxc5 10.b4 Bd6 11.Ke2 Ne5 12.Bb3 Nxf3 13.gxf3 Be5 14.Bb2 Bd7 
15.f4 Bxc3 16.Bxc3 Bb5+ 17.Ke1 Rc8 18.Bd4 O-O 19.Rg1 Kh8 20.f3 Rfd8 21.Kf2
Bc4 22.Bc2 Ne8 23.Rac1 f6 24.Be4 Nd6 25.Bc5 Nxe4+ 26.fxe4 b5 27.Rgd1 Rd3 
28.Rxd3 Bxd3 29.Kf3 Kg8 30.Rd1 Rd8 31.Bd4 Bc4 32.e5 f5 33.Rd2 Bd5+ 34.Ke2 
Rc8 35.Bc5 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "1"]
[White "Cuartas, Carlos Enrique"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "E09"]
[EventDate "1966.04.19"]
[PlyCount "98"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 Be7 5.Bg2 c6 6.Nbd2 Nbd7 7.Qc2 O-O 8.O-O b6
9.b3 Bb7 10.Bb2 Rc8 11.Rac1 Qc7 12.Qb1 Qb8 13.Rfd1 Rfd8 14.e4 dxe4 15.Nxe4
Nxe4 16.Qxe4 c5 17.Qe2 Bf6 18.h4 Qa8 19.Ne1 Bxg2 20.Nxg2 cxd4 21.Bxd4 Bxd4
22.Rxd4 Nf6 23.Rcd1 Rxd4 24.Rxd4 Rd8 25.Qf3 h6 26.Qxa8 Rxa8 27.Ne3 Kf8 28.
Kf1 Ke7 29.Ke2 Rd8 30.Rxd8 Kxd8 31.Kd3 Kd7 32.b4 Kd6 33.Nd1 Nd7 34.Kd4 e5+
35.Kd3 g6 36.Nc3 a6 37.Nd5 b5 38.Ne3 bxc4+ 39.Nxc4+ Kc6 40.a4 f5 41.f4 Kd5
42.Nxe5 Nxe5+ 43.fxe5 Kxe5 44.Kc4 g5 45.h5 Ke4 46.Kc3 f4 47.gxf4 gxf4 48.
b5 axb5 49.axb5 Kd5 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "1"]
[White "Gadia, Olicio"]
[Black "Iglesias, Alfredo"]
[Result "0-1"]
[ECO "A36"]
[EventDate "1966.04.19"]
[PlyCount "78"]

1.c4 Nf6 2.d3 g6 3.g3 Bg7 4.Bg2 O-O 5.e4 d6 6.Ne2 c5 7.O-O Nc6 8.Nbc3 a6 
9.f4 Rb8 10.Rb1 Bd7 11.h3 b5 12.g4 b4 13.Nd5 Nxd5 14.exd5 Nd4 15.Ng3 b3 
16.a3 e6 17.Be3 Nc2 18.Bf2 a5 19.Qd2 a4 20.f5 gxf5 21.gxf5 exf5 22.Nh5 Be5
23.Qh6 Qe7 24.Bg3 f6 25.Rf3 Kh8 26.Bh4 Rf7 27.Nf4 Rg8 28.Kh1 Rfg7 29.Rf2 
Ne3 30.Bf3 Qf8 31.Ng2 Rg3 32.Qxf8 Rxh3+ 33.Kg1 Bh2+ 34.Kh1 Rxf8 35.Nxe3 
Bf4+ 36.Kg2 Rxh4 37.Re2 Rg8+ 38.Kf1 Rh3 39.Kf2 Rgg3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "1"]
[White "Garcia Martinez, Silvino"]
[Black "Ortega, Rogelio"]
[Result "0-1"]
[ECO "E47"]
[EventDate "1966.04.19"]
[PlyCount "84"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 Nc6 6.Ne2 e5 7.d5 e4 8.Bb1 Ne5 
9.O-O Bxc3 10.Nxc3 Nxc4 11.Nxe4 Nxe4 12.Bxe4 f5 13.Bc2 d6 14.b3 Qf6 15.Rb1
Nb6 16.Qd2 Qf7 17.Rd1 Bd7 18.a4 Rae8 19.a5 Nc8 20.g3 Qh5 21.Bb2 Rf7 22.Bd3
Ne7 23.Be2 Qh3 24.Rbc1 c6 25.Bf1 Qh5 26.dxc6 Bxc6 27.Bg2 Bxg2 28.Kxg2 f4 
29.exf4 Nf5 30.Qd5 h6 31.Qf3 Qg6 32.Kh1 Rfe7 33.Bd4 a6 34.h4 Re4 35.Bb6 
Qe6 36.Rc7 h5 37.Rxb7 d5 38.Qd3 Nd6 39.Qxd5 Qxd5 40.Rxd5 Nxb7 41.Rd7 R8e7 
42.Rd5 g6 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "1"]
[White "Martinez Vaca, Gustavo"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "E13"]
[EventDate "1966.04.19"]
[PlyCount "146"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.Bg5 Bb7 6.e3 h6 7.Bh4 O-O 8.Be2 d6 
9.O-O Bxc3 10.bxc3 Nbd7 11.Nd2 e5 12.Bf3 Qc8 13.Bxb7 Qxb7 14.Bxf6 Nxf6 15.
d5 c6 16.e4 Rac8 17.Rc1 Rfe8 18.Qb3 Nd7 19.Qa3 Nc5 20.Rfd1 cxd5 21.cxd5 
Qa6 22.Qxa6 Nxa6 23.c4 Re7 24.Rc3 Rec7 25.f3 Nc5 26.Rb1 g6 27.h3 f5 28.Kh2
f4 29.Kg1 Kf7 30.Kf2 Kf6 31.Ke2 g5 32.Kf2 Nb7 33.Rb5 Na5 34.Rb4 h5 35.Rc1 
Rg7 36.Rb2 Nb7 37.Nb3 Rgc7 38.Rbc2 b5 39.Ke2 bxc4 40.Nd2 Na5 41.Nb1 g4 42.
fxg4 hxg4 43.hxg4 Rg7 44.Nd2 Rxg4 45.Kf2 Rcg8 46.Rg1 Rg3 47.Nxc4 Nb7 48.
Kf1 Rd3 49.Kf2 Rd4 50.Rb1 Rg7 51.Kf3 Rd3+ 52.Kf2 Rd4 53.Kf3 Rc7 54.Rbc1 
Rc5 55.Rc3 Kg5 56.R1c2 Rd1 57.Ra3 a5 58.Rb3 Rd4 59.Rbc3 Kf6 60.Rc1 Rc7 61.
Na3 Rg7 62.g4 Rh7 63.Nb5 Rd2 64.g5+ Kxg5 65.Rg1+ Kf6 66.Rc6 Rd3+ 67.Kf2 
Rh2+ 68.Ke1 Re3+ 69.Kd1 Rxe4 70.Nxd6 Nxd6 71.Rxd6+ Kf5 72.Kc1 Rxa2 73.Rg8 
Re1# 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "1"]
[White "Roux-Cabral, Luis"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1966.04.19"]
[PlyCount "72"]

1.d3 e5 2.Nd2 Nf6 3.c4 g6 4.Ngf3 Nc6 5.b3 Bg7 6.Bb2 d6 7.g3 O-O 8.Bg2 Ne8 
9.O-O e4 10.Bxg7 exf3 11.Bxf8 fxg2 12.Kxg2 Kxf8 13.h3 Kg8 14.Nf3 Ne5 15.
Ng1 f5 16.e4 Qf6 17.d4 Nf7 18.exf5 Bxf5 19.g4 Bd7 20.Ne2 Ng7 21.Qd2 h5 22.
Qf4 Qe6 23.Rae1 g5 24.Qg3 hxg4 25.hxg4 Re8 26.f3 Qg6 27.Ng1 Ne6 28.Ne2 Qf6
29.d5 Nf4+ 30.Nxf4 gxf4 31.Rxe8+ Bxe8 32.Qe1 Ne5 33.Rh1 Bg6 34.Qa5 Nxg4 
35.fxg4 Be4+ 36.Kf1 Qa1+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "1"]
[White "Yepez Obando, Olavo"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "E55"]
[EventDate "1966.04.19"]
[PlyCount "147"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4 8.Bxc4 
Nbd7 9.Qe2 a6 10.a3 cxd4 11.exd4 Bxc3 12.bxc3 b5 13.Bd3 Nb6 14.Bg5 Bb7 15.
Rfd1 Qd5 16.Re1 Rac8 17.Rac1 Nc4 18.a4 Nh5 19.axb5 axb5 20.Qe4 Qxe4 21.
Bxe4 Bxe4 22.Rxe4 Nf6 23.Bxf6 gxf6 24.Re2 Rfd8 25.Rb1 Nd6 26.Rb3 Ra8 27.g3
Ra1+ 28.Kg2 Rda8 29.Reb2 Rc1 30.Nd2 Kg7 31.Rb1 Rc2 32.R1b2 Ra2 33.Rxa2 
Rxa2 34.Nb1 f5 35.Kg1 Ne4 36.f4 Kg6 37.Rxb5 Rc2 38.Rb3 Kh5 39.Na3 Rc1+ 40.
Kg2 Nxc3 41.Rb7 Ra1 42.Nc4 Ra2+ 43.Rb2 Rxb2+ 44.Nxb2 Nb5 45.h3 Nxd4 46.Nd3
Kg6 47.Kf2 f6 48.Ke3 Nc6 49.Nc5 Kf7 50.Nd3 Ke7 51.g4 fxg4 52.hxg4 Kd6 53.
Nf2 f5 54.gxf5 exf5 55.Nh3 h6 56.Ng1 Ne7 57.Ne2 Ke6 58.Nd4+ Kd5 59.Nf3 Ng6
60.Nd4 Nh4 61.Ne2 Ke6 62.Nd4+ Kd5 63.Ne2 Ng6 64.Ng3 Ne7 65.Nh5 Ke6 66.Kf3 
Nd5 67.Ng3 Nc3 68.Ke3 Kf6 69.Kf3 Kg6 70.Nf1 Nd5 71.Ng3 Nf6 72.Ne2 Ne4 73.
Nd4 h5 74.Kg2 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "2"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Cuartas, Carlos Enrique"]
[Result "0-1"]
[ECO "E42"]
[EventDate "1966.04.19"]
[PlyCount "93"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2 d5 6.a3 cxd4 7.exd4 Be7 8.Nf4 O-O
9.cxd5 Nxd5 10.Bd3 Nxf4 11.Bxf4 Nc6 12.d5 exd5 13.Nxd5 Bg4 14.Qxg4 Qxd5 
15.Rd1 f5 16.Qf3 Qxf3 17.Bc4+ Kh8 18.gxf3 Bf6 19.Bc1 Nd4 20.f4 Rac8 21.Bd3
Nb3 22.O-O Nxc1 23.Rxc1 Rcd8 24.Rfd1 Bxb2 25.Rb1 Bxa3 26.Rxb7 Bc5 27.Bc2 
Rxd1+ 28.Bxd1 Rd8 29.Kg2 g6 30.Be2 Rd4 31.Rc7 Bb6 32.Rc4 Rd2 33.Kf3 Kg7 
34.Ra4 a5 35.h3 Rc2 36.Rc4 Rb2 37.Ra4 h6 38.Rc4 Kf7 39.Ra4 Ke7 40.Ra1 Rb3+
41.Kg2 Rb4 42.Kf3 Bc7 43.Ke3 Bxf4+ 44.Kd3 Bc7 45.Ra3 Bb6 46.f3 Kf6 47.Ra1 
0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "2"]
[White "Cobo Arteaga, Eldis"]
[Black "Bielicki, Carlos"]
[Result "1-0"]
[ECO "E95"]
[EventDate "1966.04.19"]
[PlyCount "71"]

1.d4 Nf6 2.c4 d6 3.Nc3 c6 4.e4 e5 5.Nf3 Nbd7 6.Be2 g6 7.O-O Bg7 8.Re1 O-O 
9.Bf1 Ng4 10.d5 c5 11.h3 Nh6 12.Ng5 Kh8 13.g3 Ng8 14.Bg2 h6 15.Nf3 a6 16.
Nh4 Rb8 17.Qe2 Bf6 18.Nf3 Bg7 19.Nh4 Kh7 20.Bd2 Ngf6 21.a3 Nh5 22.Nf3 f5 
23.exf5 gxf5 24.Ng5+ hxg5 25.Qxh5+ Bh6 26.Ne4 f4 27.Nxd6 Nf6 28.Be4+ Nxe4 
29.Nxe4 Bf5 30.Bc3 Bg6 31.Qf3 fxg3 32.Qxg3 Rf4 33.Bxe5 Bxe4 34.Bxb8 Rh4 
35.Rxe4 Rxe4 36.Qd3 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "2"]
[White "Cuellar Gacharna, Miguel"]
[Black "Martinez Vaca, Gustavo"]
[Result "1-0"]
[ECO "A39"]
[EventDate "1966.04.19"]
[PlyCount "67"]

1.c4 Nf6 2.Nf3 c5 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.d4 cxd4 7.Nxd4 Nc6 8.Nc3 
a6 9.Nc2 d6 10.h3 Bd7 11.Ne3 Rb8 12.a4 Ne5 13.f4 Nc6 14.Kh2 Nb4 15.Qb3 Nc6
16.Rd1 Be6 17.Qa3 Nd7 18.Bd2 Qc8 19.Rac1 Nd4 20.Ned5 Re8 21.Be3 Nc6 22.a5 
Qd8 23.b4 Bxc3 24.Qxc3 Rc8 25.Qd2 Bxd5 26.cxd5 Ncb8 27.Rxc8 Qxc8 28.Rc1 
Qd8 29.Bd4 h6 30.e4 e5 31.dxe6 fxe6 32.Bc3 Nf8 33.Qd4 e5 34.Qd5+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "2"]
[White "Fuster, Geza"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "D92"]
[EventDate "1966.04.19"]
[PlyCount "78"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.Nf3 O-O 6.Rc1 c5 7.dxc5 Be6 8.Nd4 
Nc6 9.Nxe6 fxe6 10.e3 Qa5 11.Be2 Ne4 12.cxd5 Rad8 13.O-O Bxc3 14.bxc3 Nxc3
15.Qc2 Nxe2+ 16.Qxe2 exd5 17.Rfd1 e5 18.Bg5 Rd7 19.Qg4 Rdf7 20.Bh6 Re8 21.
Qe2 Qd8 22.e4 d4 23.f3 Qf6 24.Qd2 Rc8 25.Bg5 Qe6 26.Qb2 Nb8 27.Qa3 a6 28.
Rb1 Qc6 29.Rdc1 Nd7 30.Bd2 Nxc5 31.Bb4 b6 32.Rc4 Qb5 33.Rbc1 Rfc7 34.f4 a5
35.Be1 Qe8 36.fxe5 d3 37.Bg3 Qb5 38.e6 d2 39.Rxc5 dxc1=Q+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "2"]
[White "Iglesias, Alfredo"]
[Black "Garcia Martinez, Silvino"]
[Result "0-1"]
[ECO "E98"]
[EventDate "1966.04.19"]
[PlyCount "88"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Nc6 8.d5 Ne7 
9.Ne1 Nd7 10.Nd3 f5 11.f4 exf4 12.Bxf4 Bxc3 13.bxc3 fxe4 14.Nb4 Nf5 15.Qb1
Nc5 16.a4 a5 17.Nc2 Bd7 18.g4 Nh4 19.Nd4 Nf3+ 20.Bxf3 exf3 21.Rxf3 Bxg4 
22.Rf2 Rxf4 23.Rxf4 Qg5 24.Rxg4 Qxg4+ 25.Kh1 Ne4 26.Qg1 Qxg1+ 27.Kxg1 Nxc3
28.Nb5 Nxb5 29.cxb5 b6 30.Rc1 Rc8 31.Kg2 Kf7 32.Kg3 Ke7 33.Kg4 Kd7 34.Kg5 
Rf8 35.Kh6 Rf4 36.Rc2 Rh4+ 37.Kg7 g5 38.Kf6 Rxa4 39.Kxg5 Rd4 40.Kh6 Rxd5 
41.Rb2 a4 42.Kxh7 a3 43.Ra2 Rxb5 44.Kg6 Rb2 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "2"]
[White "Letelier Martner, Rene"]
[Black "Roux-Cabral, Luis"]
[Result "1/2-1/2"]
[ECO "D53"]
[EventDate "1966.04.19"]
[PlyCount "82"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.cxd5 Nxd5 6.Bxe7 Qxe7 7.Nf3 Nxc3 8.
bxc3 c5 9.e4 cxd4 10.Qxd4 O-O 11.Rd1 b6 12.e5 Ba6 13.Bxa6 Nxa6 14.O-O Rfd8
15.Qf4 Nc5 16.Nd4 Qe8 17.Rfe1 Qa4 18.Rd2 Rd7 19.h4 Qc4 20.Re3 Kh8 21.h5 h6
22.g4 Rg8 23.Rg3 b5 24.Qe3 b4 25.cxb4 Qxb4 26.Nb3 Rxd2 27.Qxd2 Qxd2 28.
Nxd2 Rd8 29.Nc4 Rd4 30.Nd6 Ne4 31.Ra3 Nxd6 32.exd6 Rxg4+ 33.Kh2 Rd4 34.
Rxa7 Rxd6 35.Rxf7 Ra6 36.Rf8+ Kh7 37.Re8 Rxa2 38.Rxe6 Ra5 39.Kg3 Rxh5 40.
Ra6 Rf5 41.f3 h5 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "2"]
[White "Ortega, Rogelio"]
[Black "Arraya, Jorge"]
[Result "1-0"]
[ECO "C84"]
[EventDate "1966.04.19"]
[PlyCount "49"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 O-O 7.c3 b5 8.dxe5 Ng4
9.Bc2 Ngxe5 10.Nxe5 Nxe5 11.f4 Nc4 12.b3 Nb6 13.Be3 Bb7 14.Nd2 d5 15.e5 f6
16.Qh5 f5 17.Bxf5 Rxf5 18.Qxf5 Bc8 19.Qh5 g6 20.Qe2 c6 21.Rad1 Be6 22.Nf3 
Bg4 23.h3 Bxf3 24.Rxf3 Nd7 25.c4 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "2"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "E88"]
[EventDate "1966.04.19"]
[PlyCount "82"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6 8.Qd2 cxd5 9.
cxd5 a6 10.O-O-O Nbd7 11.g4 b5 12.Kb1 Qa5 13.Bd3 Nc5 14.Rc1 Bd7 15.Nge2 b4
16.Nd1 Nxd3 17.Qxd3 Rfc8 18.Nf2 Bb5 19.Qd2 Qd8 20.Ng3 a5 21.Bg5 Rxc1+ 22.
Rxc1 Rc8 23.h4 Rxc1+ 24.Qxc1 Qb6 25.Be3 Qb7 26.h5 Nd7 27.g5 a4 28.Ng4 b3 
29.a3 f6 30.hxg6 hxg6 31.gxf6 Nxf6 32.Nh6+ Kf8 33.Qc3 Ba6 34.Qd2 Qb5 35.
Ng4 Nh5 36.Nxh5 gxh5 37.Nh2 Qd3+ 38.Qxd3 Bxd3+ 39.Kc1 Bf6 40.Kd2 Bb5 41.
Kc3 Bh4 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "2"]
[White "Santa Cruz, Hugo"]
[Black "Gadia, Olicio"]
[Result "0-1"]
[ECO "B94"]
[EventDate "1966.04.19"]
[PlyCount "50"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.f4 Qc7 8.Qf3 
h6 9.Bh4 Nb6 10.f5 Bd7 11.O-O-O O-O-O 12.Nd5 Nbxd5 13.exd5 g5 14.Bg3 g4 
15.Qb3 Ne4 16.Nc6 Nxg3 17.Rd4 Bxc6 18.dxc6 d5 19.cxb7+ Kb8 20.Bxa6 Nxh1 
21.Ra4 e6 22.Bd3 Qxb7 23.Qc3 Nf2 24.Ba6 Be7 25.f6 Ne4 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "2"]
[White "Schweber, Samuel"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1966.04.19"]
[PlyCount "119"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bd3 c6 6.a4 b6 7.Qe2 O-O 8.h3 Nbd7 
9.Bg5 h6 10.Bh4 e5 11.d5 c5 12.g4 a6 13.Nd2 Qc7 14.Nc4 Re8 15.Bg3 g5 16.h4
Nf8 17.hxg5 hxg5 18.Qd2 N6h7 19.f3 Bd7 20.Ne3 f6 21.Qe2 Bc8 22.Kd2 Ng6 23.
Qh2 Nhf8 24.Qh5 Bd7 25.b3 Reb8 26.Qh2 Qd8 27.Rhb1 a5 28.Rh1 Ne7 29.Bb5 
Bxb5 30.Nxb5 Nc8 31.Nf5 Rb7 32.c4 Rd7 33.Bf2 Rb8 34.Qh5 Rbb7 35.Rh2 Ne7 
36.Rah1 Nxf5 37.exf5 Qe7 38.Nc3 Qf7 39.Qh3 Qe8 40.Ne4 Kf7 41.Be3 Qd8 42.
Qh5+ Kg8 43.Kd3 Rb8 44.Qh3 Qe7 45.Qf1 Kf7 46.Qc1 Ke8 47.Rh6 Qf7 48.Bxg5 
Bxh6 49.Bxh6 Kd8 50.Nxf6 Rc7 51.Ne4 Rd7 52.Ng5 e4+ 53.Kc2 Qf6 54.Nxe4 Qf7 
55.Ng5 Qf6 56.Bxf8 Kc7 57.Ne6+ Kb7 58.Qb2 Rxf8 59.Qxf6 Rxf6 60.Kd3 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "3"]
[White "Arraya, Jorge"]
[Black "Iglesias, Alfredo"]
[Result "0-1"]
[ECO "E60"]
[EventDate "1966.04.19"]
[PlyCount "80"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O Nbd7 7.Qc2 c5 8.Rd1 
cxd4 9.Nxd4 Nc5 10.Nc3 a6 11.b4 Ne6 12.Nb3 Ng4 13.c5 Nc7 14.Rb1 Qe8 15.Bb2
dxc5 16.Nxc5 Rb8 17.h3 Nf6 18.e4 b6 19.Nb3 e5 20.Ne2 Qe7 21.Rbc1 Nfe8 22.
Qd2 Be6 23.f4 f6 24.Rc6 Rf7 25.Nbc1 Bd7 26.Rc2 Ba4 27.Nb3 Qe6 28.Rc3 Bf8 
29.f5 gxf5 30.exf5 Qxf5 31.Rf3 Qe6 32.Bf1 Bc6 33.Re3 Bh6 34.Nf4 Bxf4 35.
gxf4 Rg7+ 36.Kh2 Qf5 37.Rc3 Rd8 38.Rxc6 Rxd2+ 39.Rxd2 Qxf4+ 40.Kh1 Qxf1+ 
0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "3"]
[White "Bielicki, Carlos"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "0-1"]
[ECO "C77"]
[EventDate "1966.04.19"]
[PlyCount "70"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 b5 6.Bb3 h6 7.c3 d6 8.Nbd2 Be7 
9.Nf1 Na5 10.Bc2 c5 11.Ne3 O-O 12.O-O Re8 13.Re1 Bf8 14.h3 Kh7 15.Nh2 Nc6 
16.Qf3 Ne7 17.Nhg4 Neg8 18.Nf5 Ra7 19.a4 g6 20.Nfe3 Nxg4 21.hxg4 b4 22.Bd2
a5 23.Bb3 Nf6 24.Bc4 Bg7 25.Bb5 Rf8 26.Bc6 Rc7 27.Bb5 Ra7 28.Rac1 Qe7 29.
Qg3 Kg8 30.f3 h5 31.g5 Ne8 32.Nd5 Qd8 33.cxb4 axb4 34.Bxb4 cxb4 35.Rxc8 
Qxc8 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "3"]
[White "Calero, Carlos"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "B44"]
[EventDate "1966.04.19"]
[PlyCount "108"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nxc6 bxc6 6.Bd3 d5 7.Nd2 Qc7 8.Qe2
Nf6 9.O-O Bd6 10.h3 O-O 11.c3 e5 12.Re1 Bb7 13.g4 Rae8 14.f3 Rb8 15.Kg2 
Rfe8 16.Nf1 c5 17.c4 d4 18.Ng3 g6 19.Bh6 Bf8 20.Bd2 Bc8 21.b3 a5 22.Reb1 
Nd7 23.Qe1 Ra8 24.a3 Be7 25.Ne2 Nf8 26.f4 Qd8 27.f5 Bg5 28.Qc1 Bxd2 29.
Qxd2 Qh4 30.Ng1 gxf5 31.gxf5 Qf6 32.Rf1 Kh8 33.Kh2 Nd7 34.Ne2 Bb7 35.Rg1 
Rg8 36.Rxg8+ Rxg8 37.Rg1 Qh4 38.Rxg8+ Kxg8 39.Ng3 Nf6 40.Qxa5 Ng4+ 41.Kg2 
Ne3+ 42.Kf2 Qf4+ 43.Ke2 Qxg3 44.Qd8+ Kg7 45.f6+ Kh6 46.Qf8+ Kg5 47.Qg7+ 
Kf4 48.Kd2 Qf2+ 49.Be2 Nf1+ 50.Kd1 Ne3+ 51.Kd2 Nf1+ 52.Kd1 Ng3 53.Qh6+ 
Kxe4 54.Qxh7+ Ke3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "3"]
[White "Cuartas, Carlos Enrique"]
[Black "Fuster, Geza"]
[Result "1-0"]
[ECO "D22"]
[EventDate "1966.04.19"]
[PlyCount "82"]

1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.O-O Nf6 7.h3 Bh5 8.Nc3 Nc6
9.Be2 Bd6 10.Qc2 O-O 11.Rd1 Qe7 12.e4 Bxf3 13.Bxf3 e5 14.d5 Nd4 15.Qd3 h6 
16.Ne2 Bc5 17.Nxd4 Bxd4 18.Be3 Bxe3 19.Qxe3 Rfd8 20.Rac1 Ne8 21.Rc2 Rd6 
22.Rdc1 Qg5 23.Qxg5 hxg5 24.Kf1 Kf8 25.Bg4 Rad8 26.b3 Rb6 27.Ke2 Ke7 28.
Rxc7+ Nxc7 29.Rxc7+ Kd6 30.Rxf7 Kc5 31.Rxg7 Kd4 32.f3 Kc3 33.Rxg5 Kb2 34.
Rxe5 Kxa2 35.Be6 Kxb3 36.Rg5 a5 37.d6+ Kb4 38.e5 a4 39.Rg8 Rxg8 40.Bxg8 
Kc5 41.d7 Rb2+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "3"]
[White "Gadia, Olicio"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[ECO "A20"]
[EventDate "1966.04.19"]
[PlyCount "97"]

1.c4 e5 2.g3 Nf6 3.Bg2 c6 4.e3 d5 5.b3 Nbd7 6.Ne2 Bd6 7.d3 Qe7 8.Nbc3 d4 
9.exd4 exd4 10.Na4 O-O 11.O-O c5 12.b4 cxb4 13.Nxd4 Nc5 14.Re1 Qd7 15.Nxc5
Bxc5 16.Nb3 Be7 17.d4 a5 18.d5 a4 19.Nd4 Bc5 20.h3 Ne8 21.Nb5 Nd6 22.Nxd6 
Qxd6 23.Qf3 Bd4 24.Rb1 Bc3 25.Rd1 Qg6 26.Ba3 Bf5 27.Rxb4 Bxb4 28.Bxb4 Rfe8
29.Qc3 b6 30.Qd4 Be4 31.Bf1 Rad8 32.d6 Bc6 33.Bg2 Bxg2 34.Kxg2 Qe4+ 35.
Qxe4 Rxe4 36.d7 f6 37.Kf3 Re5 38.c5 Rxc5 39.Bxc5 bxc5 40.Rd6 Kf7 41.Ke4 
Ke7 42.Kd5 c4 43.Re6+ Kf7 44.Kd6 Ra8 45.Re4 c3 46.Rc4 Ra6+ 47.Kc7 Ra7+ 48.
Kc8 Ra8+ 49.Kb7 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "3"]
[White "Garcia Martinez, Silvino"]
[Black "Santa Cruz, Hugo"]
[Result "1/2-1/2"]
[ECO "D57"]
[EventDate "1966.04.19"]
[PlyCount "45"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 
Qxe7 9.cxd5 Nxc3 10.bxc3 exd5 11.Qb3 Rd8 12.c4 Nc6 13.cxd5 Qb4+ 14.Qxb4 
Nxb4 15.Rc1 Nxd5 16.Bc4 c6 17.O-O Bf5 18.Nd2 Nb6 19.Be2 Be6 20.Nc4 Nxc4 
21.Bxc4 Bxc4 22.Rxc4 Rd7 23.Rb1 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "3"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "B97"]
[EventDate "1966.04.19"]
[PlyCount "41"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 
Qxb2 9.Rb1 Qa3 10.Bxf6 gxf6 11.Be2 Nc6 12.Nxc6 bxc6 13.O-O Be7 14.Rb3 Qa5 
15.Kh1 O-O 16.f5 exf5 17.Qh6 f4 18.Nd5 cxd5 19.Rxf4 Kh8 20.Qxh7+ Kxh7 21.
Rh4+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "3"]
[White "Martinez Vaca, Gustavo"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "0-1"]
[ECO "E61"]
[EventDate "1966.04.19"]
[PlyCount "94"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e3 d6 6.Be2 Nbd7 7.O-O e5 8.Qc2 Re8
9.b3 e4 10.Nd2 Qe7 11.Bb2 h5 12.b4 Nf8 13.Rac1 Bf5 14.a4 N8h7 15.Nd5 Nxd5 
16.cxd5 Rac8 17.b5 Qg5 18.Rfe1 Nf6 19.Bc4 Bh3 20.g3 h4 21.f4 Qf5 22.Nf1 
Nxd5 23.Bxd5 Qxd5 24.gxh4 Bf6 25.Qe2 Bxh4 26.Ng3 c6 27.bxc6 Rxc6 28.Rxc6 
bxc6 29.Rc1 Rb8 30.Bc3 Rb3 31.Qc2 Qc4 32.a5 d5 33.Kf2 Ra3 34.Bd2 Qa2 35.
Ke1 Qxc2 36.Rxc2 Bd8 37.Rxc6 Bxa5 38.Bxa5 Rxa5 39.Rc2 Be6 40.Kf2 Ra3 41.
Ke2 a5 42.Nf1 a4 43.Rc1 Bg4+ 44.Ke1 Bh3 45.Kf2 Ra2+ 46.Kg3 Bxf1 47.Rxf1 
Re2 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "3"]
[White "Roux-Cabral, Luis"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "E61"]
[EventDate "1966.04.19"]
[PlyCount "111"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 O-O 5.e3 c5 6.Be2 cxd4 7.exd4 d5 8.O-O 
Nc6 9.cxd5 Nxd5 10.Qb3 Be6 11.Qxb7 Ncb4 12.Nxd5 Nxd5 13.Ng5 Bxd4 14.Nxe6 
fxe6 15.Qa6 Qb6 16.Qxb6 axb6 17.Bg4 Kg7 18.Bxe6 Rxf2 19.Rxf2 Rf8 20.Bxd5 
Rxf2 21.Bh6+ Kxh6 22.Kh1 Bxb2 23.Rb1 e5 24.g3 Rd2 25.Bc6 Kg7 26.Rf1 h5 27.
a4 Rd6 28.Bb5 e4 29.Re1 Re6 30.Bc4 Re7 31.Bd3 e3 32.Kg2 Bc3 33.Re2 Bd2 34.
h4 Rd7 35.Bb5 Rf7 36.Kh3 Rf6 37.Kg2 Kf7 38.Kh3 Ke6 39.Kg2 Kd5 40.Kh3 Kd4 
41.Kg2 Kc3 42.g4 Rf4 43.gxh5 gxh5 44.Kg3 Rg4+ 45.Kh3 Rb4 46.Be8 Kd3 47.
Bxh5 Rxa4 48.Rg2 Be1 49.Bg6+ Kc3 50.Rc2+ Kb3 51.Rc6 Rxh4+ 52.Kg2 b5 53.Kf3
Bd2 54.Ke2 Rh2+ 55.Kd1 Bc3 56.Re6 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "3"]
[White "Yepez Obando, Olavo"]
[Black "Ortega, Rogelio"]
[Result "1-0"]
[ECO "D38"]
[EventDate "1966.04.19"]
[PlyCount "125"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 Bb4 5.Qa4+ Nc6 6.a3 Bxc3+ 7.bxc3 Bd7 8.Qc2
O-O 9.cxd5 exd5 10.Bg5 Re8 11.e3 h6 12.Bxf6 Qxf6 13.Be2 Bf5 14.Qa2 Rad8 
15.O-O Rd6 16.c4 dxc4 17.Qxc4 Be4 18.Rac1 a6 19.Rfd1 Red8 20.Nd2 Bd5 21.
Qc2 Qe7 22.Bf3 Bxf3 23.Nxf3 Rd5 24.a4 R8d7 25.Rb1 Nb4 26.Qb3 a5 27.Ne5 Rd8
28.Nc4 b6 29.Rbc1 Qe6 30.Qb2 c5 31.Rd2 cxd4 32.exd4 Rg5 33.Ne3 Qe4 34.g3 
Qe8 35.Qb3 Rg6 36.d5 Rgd6 37.Rcd1 Qe4 38.Rd4 Qf3 39.Rf4 Qe2 40.Rfd4 Qh5 
41.Qc4 Kh7 42.Rh4 Qg6 43.Rg4 Qf6 44.Qe4+ Kh8 45.Rf4 Qg5 46.Rxf7 Qh5 47.Rf5
Qg6 48.h4 Re8 49.Qf4 Red8 50.Qe4 Re8 51.Qf3 Rc8 52.Qf4 Rcd8 53.Rf8+ Rxf8 
54.Qxf8+ Kh7 55.h5 Qf6 56.Qxf6 gxf6 57.Kg2 Kg8 58.Kf3 Kf8 59.Ke4 Na6 60.
Nc4 Nc5+ 61.Kf5 Rd8 62.Nxb6 Rb8 63.Rc1 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "4"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "C99"]
[EventDate "1966.04.19"]
[PlyCount "90"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 Na5 
9.Bc2 c5 10.h3 O-O 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Nc6 14.Nb3 a5 15.Be3 Nb4
16.Bb1 Be6 17.a3 Na6 18.Nbd2 Rfd8 19.Bd3 Qb8 20.Ng5 Bd7 21.f4 h6 22.Ngf3 
exd4 23.Nxd4 Nc5 24.Bc2 Qb7 25.Bf2 Bf8 26.Bh4 Be7 27.N2f3 Kf8 28.Qe2 Re8 
29.Rad1 b4 30.e5 dxe5 31.Nxe5 Rac8 32.Bf5 Bxf5 33.Nxf5 Ne6 34.Bxf6 Bxf6 
35.Nd7+ Kg8 36.Nxf6+ gxf6 37.Qg4+ Kh7 38.Qh5 Qxg2+ 39.Kxg2 Nxf4+ 40.Kf3 
Nxh5 41.Rxe8 Rxe8 42.axb4 axb4 43.Rd4 Rb8 44.Rh4 b3 45.Rxh5 Rd8 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "4"]
[White "Cobo Arteaga, Eldis"]
[Black "Gadia, Olicio"]
[Result "1/2-1/2"]
[ECO "A43"]
[EventDate "1966.04.19"]
[PlyCount "73"]

1.d4 c5 2.d5 d6 3.e4 g6 4.Nc3 Bg7 5.Nf3 Nf6 6.Be2 O-O 7.O-O a6 8.a4 Bg4 9.
Nd2 Bxe2 10.Qxe2 Nbd7 11.Nc4 Ne8 12.f4 Nc7 13.a5 Nb5 14.Na4 e6 15.Nab6 Rb8
16.c3 Nxb6 17.Nxb6 Qe7 18.Bd2 Rfe8 19.Rae1 Nc7 20.Qd3 exd5 21.exd5 Qh4 22.
f5 Rxe1 23.Bxe1 Qe7 24.Bg3 Re8 25.Nc4 Nb5 26.fxg6 hxg6 27.Re1 Qd8 28.Rxe8+
Qxe8 29.Nxd6 Nxd6 30.Bxd6 c4 31.Qd1 Qe3+ 32.Kf1 Bf8 33.Bxf8 Kxf8 34.d6 
Qf4+ 35.Kg1 Qe3+ 36.Kf1 Qf4+ 37.Kg1 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "4"]
[White "Cuartas, Carlos Enrique"]
[Black "Bielicki, Carlos"]
[Result "0-1"]
[ECO "E92"]
[EventDate "1966.04.19"]
[PlyCount "84"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.Nf3 d6 6.Be2 e5 7.d5 c5 8.Bg5 h6 9.
Bh4 a6 10.Nd2 Qc7 11.O-O Nbd7 12.a3 Nh7 13.g4 Bf6 14.Bg3 Bg5 15.Kg2 Re8 
16.Bd3 Ndf6 17.h3 Bf4 18.Nf3 h5 19.Nh2 hxg4 20.hxg4 Kg7 21.f3 Bd7 22.Rh1 
Rh8 23.Bxf4 exf4 24.Qc1 g5 25.Nf1 Rae8 26.Ne2 Nf8 27.Rxh8 Kxh8 28.Nxf4 
gxf4 29.Qxf4 Kg7 30.Ng3 Ng6 31.Qg5 Rh8 32.Nh5+ Nxh5 33.gxh5 Rxh5 34.Qg3 
Qd8 35.Kf2 Qf6 36.Rg1 Rh3 37.e5 Qxe5 38.Qxe5+ dxe5 39.b4 cxb4 40.axb4 Rh2+
41.Ke3 Rb2 42.c5 Rxb4 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "4"]
[White "Cuellar Gacharna, Miguel"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "A24"]
[EventDate "1966.04.19"]
[PlyCount "142"]

1.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nc6 6.d4 exd4 7.Nxd4 O-O 8.O-O 
Ne5 9.b3 d6 10.Bb2 Re8 11.h3 c6 12.e4 Ned7 13.Qc2 Nc5 14.b4 Ne6 15.Nf3 a5 
16.a3 axb4 17.axb4 Rxa1 18.Rxa1 Qb6 19.b5 Nc5 20.Nd2 Nfd7 21.Nb3 Nxb3 22.
Qxb3 Nc5 23.Qc2 Be6 24.Na4 Nxa4 25.Bxg7 Kxg7 26.Rxa4 Qd4 27.bxc6 bxc6 28.
c5 Qxc5 29.Qxc5 dxc5 30.Ra5 c4 31.Rc5 Rb8 32.f4 Rb1+ 33.Kf2 Rb2+ 34.Kf1 h5
35.Rxc6 Rc2 36.Kg1 c3 37.Bf1 Rc1 38.Kf2 c2 39.Bd3 Bb3 40.Ke2 Rg1 41.Bxc2 
Bxc2 42.Rxc2 Rxg3 43.Rc7 Rxh3 44.e5 Kf8 45.Kf2 Ra3 46.Rb7 h4 47.Rb8+ Kg7 
48.Rb7 Ra2+ 49.Kf3 h3 50.Kg3 h2 51.Rb1 Kh6 52.Rh1 Kh5 53.Rf1 Re2 54.Kf3 
Rb2 55.Kg3 Ra2 56.Rh1 Ra3+ 57.Kxh2 Kg4 58.Re1 Ra2+ 59.Kg1 Kf5 60.e6 fxe6 
61.Re5+ Kf6 62.Rg5 Kf7 63.Rg4 Kf6 64.Kf1 Rh2 65.Kg1 Rb2 66.Kf1 Rc2 67.Rg5 
Rh2 68.Re5 Rh4 69.Re4 Rh5 70.Kf2 Kf5 71.Re3 Kxf4 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "4"]
[White "Fuster, Geza"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "D02"]
[EventDate "1966.04.19"]
[PlyCount "95"]

1.d4 d5 2.Nf3 c5 3.dxc5 e6 4.e4 Bxc5 5.exd5 exd5 6.Bb5+ Nc6 7.O-O Ne7 8.
Nbd2 O-O 9.Nb3 Bb6 10.Be3 Bxe3 11.fxe3 Nf5 12.Re1 Qb6 13.Bxc6 bxc6 14.Nfd4
Nd6 15.Rb1 a5 16.Nf3 a4 17.Qd4 Qb5 18.Nc5 Ra5 19.Nd3 Re8 20.Qf4 Ne4 21.b4 
Ra8 22.Nd4 Qb7 23.Nc5 Nxc5 24.bxc5 Qe7 25.Rb6 Qxc5 26.Rxc6 Qa5 27.Rf1 Ra7 
28.Qb8 Bd7 29.Qf4 Bxc6 30.Nxc6 Qb6 31.Nxa7 Qxa7 32.Rd1 Rxe3 33.Qd4 Re1+ 
34.Kf2 Qxd4+ 35.Rxd4 Rc1 36.Rxd5 Rxc2+ 37.Ke3 g6 38.Rd2 Rxd2 39.Kxd2 f5 
40.Kc3 Kf7 41.Kb4 h5 42.Kxa4 h4 43.Kb4 f4 44.Kc3 g5 45.Kd3 g4 46.Ke2 Ke6 
47.a4 Kd5 48.h3 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "4"]
[White "Iglesias, Alfredo"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "E90"]
[EventDate "1966.04.19"]
[PlyCount "52"]

1.d4 Nf6 2.Nf3 c5 3.d5 g6 4.c4 d6 5.Nc3 Bg7 6.e4 O-O 7.Bd3 e5 8.dxe6 Bxe6 
9.O-O Nc6 10.Nd5 Bxd5 11.cxd5 Nb4 12.Bb1 Re8 13.a3 Na6 14.Re1 c4 15.Nd4 
Nc5 16.f3 Nxd5 17.Nb5 Qb6 18.Qxd5 Qxb5 19.Ba2 Qa5 20.Bd2 Qc7 21.Bxc4 Re5 
22.Ba5 Qxa5 23.Qxf7+ Kh8 24.f4 Rxe4 25.Rxe4 Nxe4 26.Qxb7 Qc5+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "4"]
[White "Ortega, Rogelio"]
[Black "Martinez Vaca, Gustavo"]
[Result "1-0"]
[ECO "C78"]
[EventDate "1966.04.19"]
[PlyCount "53"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.d4 d6 8.c3 Bg4 
9.Be3 O-O 10.h3 Bh5 11.Nbd2 h6 12.g4 Bg6 13.Nh4 Kh7 14.Nf5 Na5 15.Bc2 c5 
16.dxe5 dxe5 17.Qf3 Qc7 18.Kh1 Nc6 19.Rg1 b4 20.h4 Bxf5 21.exf5 Nd4 22.
cxd4 cxd4 23.Rac1 dxe3 24.fxe3 Qd7 25.g5 hxg5 26.hxg5 Rh8 27.Rgd1 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "4"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Roux-Cabral, Luis"]
[Result "1-0"]
[ECO "E12"]
[EventDate "1966.04.19"]
[PlyCount "39"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 b6 4.d4 Bb7 5.Bg5 Be7 6.e3 O-O 7.Bd3 c5 8.O-O cxd4
9.exd4 d5 10.Qe2 dxc4 11.Bxc4 Nc6 12.Rfd1 Nb4 13.Ne5 Nfd5 14.Bd2 Nxc3 15.
bxc3 Nd5 16.Bd3 Bf6 17.Qe4 g6 18.c4 Ne7 19.Qxb7 Qxd4 20.Nd7 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "4"]
[White "Santa Cruz, Hugo"]
[Black "Arraya, Jorge"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1966.04.19"]
[PlyCount "105"]

1.e4 e6 2.b3 d5 3.Bb2 Nf6 4.e5 Nfd7 5.f4 c5 6.Nc3 Nc6 7.Qh5 g6 8.Qh3 Nd4 
9.O-O-O Qa5 10.Nge2 a6 11.Kb1 b5 12.Nxd4 cxd4 13.Ne2 Bc5 14.Nxd4 Bb7 15.
Bd3 Qb6 16.Ne2 a5 17.Nc1 a4 18.f5 gxf5 19.Bxf5 d4 20.Bg4 axb3 21.cxb3 Nxe5
22.Rhe1 Nxg4 23.Qxg4 O-O-O 24.Nd3 f5 25.Qf4 Bd6 26.Rc1+ Kb8 27.Ne5 Bc7 28.
d3 Ka8 29.Qh6 Bxe5 30.Rxe5 Rd6 31.Rcc5 Rc8 32.Rxc8+ Bxc8 33.Qxh7 Rd7 34.
Qg8 Rc7 35.Qg3 Qc6 36.Qf2 Rd7 37.g3 Ba6 38.b4 Bb7 39.Rc5 Qa6 40.Qc2 Bd5 
41.a3 e5 42.Qc1 Kb7 43.h4 e4 44.Bxd4 exd3 45.Be5 Qb6 46.Kb2 Be4 47.Bc3 Ka6
48.Qf4 Qd8 49.Bd2 Qf6+ 50.Rc3 Qg6 51.Qb8 Bb7 52.Be3 Be4 53.Qc8+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "4"]
[White "Schweber, Samuel"]
[Black "Garcia Martinez, Silvino"]
[Result "1-0"]
[ECO "E14"]
[EventDate "1966.04.19"]
[PlyCount "67"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 Be7 6.Nc3 O-O 7.O-O c5 8.Qe2 Nc6 
9.d5 exd5 10.cxd5 Nb4 11.e4 Nxd3 12.Qxd3 d6 13.Nd2 a6 14.a4 b5 15.b3 Ng4 
16.Bb2 bxa4 17.Nxa4 Bf6 18.Nc4 Bxb2 19.Naxb2 f5 20.f3 fxe4 21.fxe4 Qe7 22.
h3 Rxf1+ 23.Rxf1 Nf6 24.Na4 Qxe4 25.Qg3 Qd4+ 26.Kh2 Ne4 27.Qg4 Nf6 28.Qe6+
Kh8 29.Nab6 Bxd5 30.Nxd5 Nxd5 31.Nxd6 h6 32.Nf5 Qd3 33.Rf3 Qd1 34.Nxg7 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "5"]
[White "Arraya, Jorge"]
[Black "Schweber, Samuel"]
[Result "0-1"]
[ECO "E92"]
[EventDate "1966.04.19"]
[PlyCount "104"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 c5 8.h3 Ne8 9.
Bg5 f6 10.Bh4 Bh6 11.g4 Bf4 12.Qc2 Nd7 13.Nd2 a6 14.Nf1 Rb8 15.a4 Qa5 16.
Ra3 Rf7 17.Ne3 Nf8 18.Rg1 h6 19.Bg3 Bd7 20.Qd3 Qb4 21.Qc2 Nc7 22.Rb3 Bxa4 
23.Rxb4 Bxc2 24.Rb6 Bxe3 25.fxe3 Rd7 26.Kd2 Na8 27.Rxd6 Rxd6 28.Kxc2 Nc7 
29.Ra1 Nd7 30.Be1 b6 31.h4 Kf7 32.Bg3 g5 33.Bf1 gxh4 34.Bxh4 Nf8 35.Ne2 
Ng6 36.Be1 a5 37.Nc3 Rdd8 38.Bh3 Ne8 39.Bg3 Nd6 40.b3 Ke7 41.Kd3 Rh8 42.
Ne2 h5 43.gxh5 Rxh5 44.Be6 Nf8 45.Bg4 Rg5 46.Bf3 Ng6 47.Bf2 Rh8 48.b4 cxb4
49.c5 bxc5 50.Rxa5 c4+ 51.Kc2 Rh3 52.Ra7+ Kd8 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "5"]
[White "Bielicki, Carlos"]
[Black "Fuster, Geza"]
[Result "1/2-1/2"]
[ECO "D00"]
[EventDate "1966.04.19"]
[PlyCount "113"]

1.d4 d5 2.Bg5 c6 3.Nc3 Bf5 4.e3 Qb6 5.Rb1 Nd7 6.Bd3 Bg6 7.Nf3 e6 8.O-O 
Ngf6 9.Qe2 Bb4 10.e4 Bxc3 11.bxc3 Qc7 12.Nd2 dxe4 13.Nxe4 Nxe4 14.Bxe4 O-O
15.Bh4 Bxe4 16.Qxe4 Nb6 17.Rfe1 Nc4 18.Qg4 Kh8 19.Bg3 Qd7 20.Qh5 b5 21.
Rbd1 Qd5 22.Qh4 a5 23.Rd3 a4 24.Bf4 Qf5 25.Bc1 f6 26.g4 Qg6 27.Qg3 e5 28.
h3 exd4 29.cxd4 Rfe8 30.Be3 Qf7 31.Ra1 a3 32.Qf3 Qd7 33.Rb1 Re6 34.Kg2 
Rae8 35.Rdb3 Rxe3 36.fxe3 Nd2 37.Qf5 Qxf5 38.gxf5 Nxb3 39.Rxb3 Ra8 40.Kf3 
Kg8 41.e4 Kf7 42.Ke3 Ke7 43.Kd3 Kd6 44.c4 bxc4+ 45.Kxc4 g6 46.fxg6 hxg6 
47.Rg3 Ra4+ 48.Kd3 g5 49.Rf3 Ke6 50.Rf5 Ra7 51.Kc4 Rh7 52.Rf3 Rh4 53.Re3 
Kd6 54.Kb4 f5 55.exf5 c5+ 56.Kxa3 cxd4 57.Rg3 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "5"]
[White "Calero, Carlos"]
[Black "Cuartas, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "E26"]
[EventDate "1966.04.19"]
[PlyCount "146"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Nc6 7.Bd3 d6 8.Ne2 e5
9.e4 Nd7 10.d5 Na5 11.Ng3 g6 12.Rb1 b6 13.O-O Ba6 14.Qe2 h5 15.Re1 Qf6 16.
Nf1 Nf8 17.Be3 g5 18.Ng3 h4 19.Nf5 Ng6 20.g3 Ne7 21.g4 O-O-O 22.Kh1 Nxf5 
23.gxf5 Rdg8 24.f3 Qe7 25.Rg1 f6 26.a4 Qe8 27.Qa2 Kc7 28.Rg4 Bc8 29.h3 Bd7
30.Bc2 Qc8 31.Kh2 Be8 32.Rg2 Bh5 33.Bd1 Rh7 34.Be2 Rhg7 35.Rbg1 Qa6 36.Bf2
Rh7 37.Be1 Be8 38.Bd2 Nb7 39.Bd1 Na5 40.Be2 Nb7 41.Ra1 Na5 42.Rag1 Bh5 43.
Rf2 Nb7 44.Rfg2 Be8 45.Ra1 Qa5 46.Rgg1 Bd7 47.Rgb1 Rhg7 48.Rb2 Qa6 49.Rbb1
Na5 50.Rg1 Qc8 51.Qc2 Qe8 52.Rg4 Qh5 53.Be1 Re7 54.Bf2 Qh7 55.Rag1 Nb7 56.
Ra1 Na5 57.Rag1 Rge8 58.Be3 Rb8 59.Qa2 Be8 60.Bf2 Kc8 61.Ra1 Nb7 62.Be3 
Nd8 63.Qd2 Nf7 64.Rgg1 Reb7 65.Rg2 Bd7 66.Bd3 Qh5 67.Be2 Qh7 68.Bd3 a6 69.
Ra2 Qh5 70.Be2 Qh7 71.Bd3 Qh5 72.Be2 Qh7 73.Bd3 Qh5 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "5"]
[White "Gadia, Olicio"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "1-0"]
[ECO "A10"]
[EventDate "1966.04.19"]
[PlyCount "103"]

1.c4 f5 2.g3 Nf6 3.Bg2 e6 4.e3 d5 5.b3 c6 6.Ne2 Bd6 7.O-O O-O 8.d3 Nbd7 9.
Nbc3 Ne5 10.Bb2 Nf7 11.e4 dxe4 12.dxe4 e5 13.exf5 Bxf5 14.Qc1 Qc8 15.Nd1 
Bc5 16.Ba3 Bxa3 17.Qxa3 Bh3 18.Ne3 Ng5 19.f4 Bxg2 20.Kxg2 Qh3+ 21.Kg1 Nge4
22.fxe5 Ng4 23.Nxg4 Qxg4 24.Qb2 Qg5 25.Qd4 Nd2 26.h4 Qh6 27.Rxf8+ Rxf8 28.
Kg2 Nf3 29.Qe4 Qd2 30.Rf1 Ne1+ 31.Kg1 Nd3 32.Nf4 Nc5 33.Qe2 Qxe2 34.Nxe2 
Rxf1+ 35.Kxf1 Nd3 36.e6 Kf8 37.Nd4 g6 38.Ke2 Nc1+ 39.Ke3 Ke7 40.Kf4 h6 41.
h5 gxh5 42.Ke5 Nd3+ 43.Kf5 Nf2 44.Ne2 Nd3 45.Kg6 Kxe6 46.Kxh6 Kf5 47.Kxh5 
Ne5 48.Nd4+ Ke4 49.Ne6 Kf3 50.Kh4 a5 51.c5 Ke4 52.Nd8 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "5"]
[White "Garcia Martinez, Silvino"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "C99"]
[EventDate "1966.04.19"]
[PlyCount "75"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Bb7 14.Nf1 Rac8 15.Bb1 
Rfe8 16.d5 Ba8 17.a4 Qxc1 18.Qxc1 Rxc1 19.Rxc1 Nb3 20.Bd3 bxa4 21.N3d2 
Nxc1 22.Rxc1 Nd7 23.Bxa6 Nc5 24.Bc4 Rb8 25.b3 axb3 26.Bxb3 Nxb3 27.Nxb3 
Bxd5 28.exd5 Rxb3 29.Rc8+ Bf8 30.Nd2 Rd3 31.Nc4 g6 32.Nxd6 Rxd5 33.Ne8 
Rd1+ 34.Kh2 Be7 35.Nf6+ Kg7 36.Ne8+ Kf8 37.Nf6+ Kg7 38.Ne8+ 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "5"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "1/2-1/2"]
[ECO "C84"]
[EventDate "1966.04.19"]
[PlyCount "54"]

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.Nxe7+ Nxe7 11.c3 Nc5 12.Bg5 h6 13.Bh4 Nxa4 14.Qxa4 Qe8 15.
Qxe8 Rxe8 16.Bxe7 Rxe7 17.f4 Bf5 18.Nd2 Rd8 19.Nb3 b6 20.Rad1 Bc2 21.Rd2 
Bxb3 22.axb3 a5 23.Rfd1 Red7 24.Kf2 Kf8 25.g3 c5 26.Kf3 Ke7 27.h3 Ke6 
1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "5"]
[White "Letelier Martner, Rene"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "B07"]
[EventDate "1966.04.19"]
[PlyCount "126"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f3 c6 5.Be3 Bg7 6.Qd2 b5 7.h4 Nbd7 8.Bh6 Bxh6 
9.Qxh6 Qa5 10.Qd2 b4 11.Nd1 c5 12.Ne2 Ba6 13.Ne3 Rc8 14.a3 Rb8 15.Kf2 O-O 
16.h5 Bxe2 17.Bxe2 cxd4 18.Qxd4 Qb6 19.Qxb6 Rxb6 20.axb4 Rxb4 21.b3 Rb7 
22.g4 Ne5 23.Ra4 Nc6 24.hxg6 hxg6 25.Rha1 Nd7 26.Bc4 e6 27.Rd1 Nc5 28.Ra3 
Rd8 29.Ba6 Rbb8 30.Be2 Kf8 31.Nc4 Nb7 32.Ra6 Rbc8 33.c3 Nc5 34.Ra3 d5 35.
exd5 exd5 36.Ne3 Ne7 37.Rd4 Ne6 38.Rda4 Rxc3 39.Rxa7 d4 40.Nc4 d3 41.Bd1 
Nc6 42.Ra8 Rxa8 43.Rxa8+ Ke7 44.Ke3 Rc1 45.Kd2 Rb1 46.Ne3 Nf4 47.g5 Nd4 
48.Ra7+ Kf8 49.Ra4 Nde2 50.Ra8+ Ke7 51.Ra7+ Kf8 52.Ra8+ Kg7 53.Ra2 Ne6 54.
Kxd3 Nc1+ 55.Kc2 Rxb3 56.Kxc1 Rxe3 57.Rg2 Re5 58.Bc2 Rc5 59.Kd2 Nxg5 60.
Rg3 Ne6 61.Rg4 f5 62.Ra4 Kh6 63.Bd3 Rd5 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "5"]
[White "Martinez Vaca, Gustavo"]
[Black "Iglesias, Alfredo"]
[Result "0-1"]
[ECO "A85"]
[EventDate "1966.04.19"]
[PlyCount "81"]

1.d4 e6 2.c4 f5 3.Nc3 Nf6 4.Nf3 Bb4 5.g3 Ne4 6.Qc2 O-O 7.Bg2 d5 8.cxd5 
exd5 9.O-O c6 10.Ne5 Nd7 11.Nxd7 Qxd7 12.Bf4 b6 13.Nxe4 fxe4 14.Bxe4 dxe4 
15.Qc4+ Qd5 16.Qxb4 Bh3 17.Rfd1 Qh5 18.Qb3+ Kh8 19.Qe3 Rae8 20.Rac1 Re6 
21.Be5 Bf5 22.f3 exf3 23.exf3 Qh3 24.Rc3 Rh6 25.Rd2 Bc8 26.b4 Ba6 27.Rf2 
Bb5 28.Qg5 Rg6 29.Qe7 Qf5 30.Re3 h6 31.Kg2 Rf7 32.Qd8+ Kh7 33.Re4 Bc4 34.
Qe8 Bxa2 35.g4 Bd5 36.Bg3 Qd7 37.Qxd7 Rxd7 38.Rf4 a5 39.bxa5 bxa5 40.h4 a4
41.Rf1 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "5"]
[White "Roux-Cabral, Luis"]
[Black "Ortega, Rogelio"]
[Result "1-0"]
[ECO "D02"]
[EventDate "1966.04.19"]
[PlyCount "117"]

1.Nf3 d5 2.d4 e6 3.Bf4 Nf6 4.Nbd2 Bd6 5.e3 O-O 6.Bd3 c5 7.c3 Bxf4 8.exf4 
Nc6 9.dxc5 Qc7 10.g3 e5 11.fxe5 Nxe5 12.Nxe5 Qxe5+ 13.Qe2 Qc7 14.O-O-O Re8
15.Qf1 Qxc5 16.Nb3 Qb6 17.Nd4 Bd7 18.f3 Rac8 19.g4 g6 20.Bc2 a6 21.h4 h5 
22.gxh5 Nxh5 23.f4 Ng3 24.Qg2 Nxh1 25.f5 Nf2 26.Qxf2 Qf6 27.Qg3 Qe5 28.Qg2
Re7 29.fxg6 fxg6 30.Bxg6 Rg7 31.Rd2 Rf8 32.h5 Be8 33.Re2 Qf4+ 34.Kc2 Bxg6+
35.hxg6 Rd7 36.g7 Rxg7 37.Qxg7+ Kxg7 38.Ne6+ Kg6 39.Nxf4+ Rxf4 40.Re7 b6 
41.Rd7 Rf6 42.Rxd5 Kf7 43.Re5 Rf2+ 44.Kb3 Rh2 45.Ka3 Rh3 46.Kb3 Rh6 47.a4 
Rc6 48.Kb4 Rh6 49.c4 Rh4 50.b3 Rg4 51.a5 b5 52.Kc5 bxc4 53.bxc4 Rg6 54.Kd5
Rg4 55.c5 Ra4 56.Kc6 Rxa5 57.Kb6 Ra1 58.c6 Rb1+ 59.Kxa6 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "5"]
[White "Yepez Obando, Olavo"]
[Black "Santa Cruz, Hugo"]
[Result "1-0"]
[ECO "D08"]
[EventDate "1966.04.19"]
[PlyCount "82"]

1.d4 d5 2.c4 e5 3.dxe5 d4 4.Nf3 Nc6 5.a3 a5 6.g3 Bf5 7.Bg2 Qd7 8.O-O Bh3 
9.Nbd2 Bxg2 10.Kxg2 Rd8 11.Qa4 h5 12.h4 Nge7 13.Nb3 Ng6 14.Bg5 Be7 15.Bxe7
Kxe7 16.Nxa5 Qg4 17.Nxc6+ bxc6 18.Qb4+ Ke8 19.Qd2 d3 20.Rfd1 f6 21.Qe3 
dxe2 22.Rxd8+ Kxd8 23.Re1 Re8 24.Rxe2 Kc8 25.Qe4 Re6 26.c5 f5 27.Qxg4 fxg4
28.Nd4 Rxe5 29.Rxe5 Nxe5 30.b4 Kb7 31.Kf1 Nc4 32.a4 Nb2 33.a5 Nd3 34.Nc2 
Ka6 35.Ke2 Ne5 36.Nd4 Kb7 37.Ke3 g6 38.Ke4 Nc4 39.Kf4 Nb2 40.Ke3 Nd1+ 41.
Ke2 Nc3+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "6"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "C94"]
[EventDate "1966.04.19"]
[PlyCount "36"]

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.d3 Nbd7 11.Nbd2 Bb7 12.Nf1 Nc5 13.Bc2 Re8 14.Ng3 Bf8 15.Nh2 d5
16.Qf3 dxe4 17.dxe4 Ne6 18.Ng4 Nxg4 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "6"]
[White "Bielicki, Carlos"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "D45"]
[EventDate "1966.04.19"]
[PlyCount "95"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 e6 5.Nc3 Nbd7 6.Qc2 Bd6 7.b3 O-O 8.Be2 Re8 
9.Bb2 Qa5 10.O-O a6 11.Rfd1 Ba3 12.Bxa3 Qxa3 13.e4 Nf8 14.e5 N6d7 15.Nd2 
Ng6 16.Rab1 Qe7 17.cxd5 exd5 18.g3 f6 19.f4 fxe5 20.dxe5 Ndxe5 21.fxe5 
Qxe5 22.Nf3 Qe3+ 23.Kg2 Qh6 24.Qd2 Bh3+ 25.Kf2 Qh5 26.Qg5 Qxg5 27.Nxg5 
Rf8+ 28.Kg1 Bf5 29.Rbc1 Rae8 30.Bh5 Re3 31.Re1 Rfe8 32.Rxe3 Rxe3 33.Kf2 
Re7 34.Bxg6 Bxg6 35.Re1 Rxe1 36.Kxe1 Kf8 37.Ne6+ Ke7 38.Nc5 b6 39.N5a4 b5 
40.Nc5 a5 41.Nb7 Kd7 42.Nxa5 d4 43.Ne2 c5 44.a3 Kd6 45.b4 cxb4 46.axb4 Bf7
47.Nxd4 Kd5 48.Nxb5 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "6"]
[White "Cobo Arteaga, Eldis"]
[Black "Arraya, Jorge"]
[Result "1-0"]
[ECO "A91"]
[EventDate "1966.04.19"]
[PlyCount "51"]

1.c4 f5 2.g3 Nf6 3.Bg2 e6 4.Nc3 d5 5.d4 Be7 6.e3 c6 7.Qd3 O-O 8.Nge2 Qe8 
9.O-O Nbd7 10.f3 a6 11.Bd2 dxc4 12.Qxc4 Nb6 13.Qb3 Qd8 14.Rad1 Kh8 15.e4 
c5 16.Be3 c4 17.Qc2 fxe4 18.fxe4 Ng4 19.Rxf8+ Qxf8 20.Rf1 Qe8 21.Qd2 Nd7 
22.e5 Nxe3 23.Qxe3 Rb8 24.Qf4 b5 25.Qf7 Nf6 26.Rxf6 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "6"]
[White "Cuartas, Carlos Enrique"]
[Black "Gadia, Olicio"]
[Result "1/2-1/2"]
[ECO "A43"]
[EventDate "1966.04.19"]
[PlyCount "87"]

1.d4 c5 2.d5 d6 3.c4 g6 4.Nc3 Bg7 5.e4 Na6 6.Nf3 Nc7 7.Be2 a6 8.a4 e5 9.
dxe6 Nxe6 10.Be3 Ne7 11.Qd2 Nc6 12.O-O O-O 13.Nd5 Ncd4 14.Nxd4 Nxd4 15.Bd1
Be6 16.Bg5 f6 17.Be3 Bxd5 18.cxd5 f5 19.Bxd4 Bxd4 20.exf5 Rxf5 21.Bg4 Re5 
22.Rae1 Qf6 23.b4 Rf8 24.bxc5 Bxc5 25.Rxe5 Qxe5 26.Bf3 Qf4 27.Qd1 b5 28.
axb5 axb5 29.Qe2 b4 30.Bg4 Kg7 31.g3 Qf6 32.Kg2 b3 33.Bf3 b2 34.Be4 Qd4 
35.f3 Re8 36.h4 Qc3 37.Rd1 Qc1 38.Qd3 Ra8 39.Qe2 Rb8 40.Bxg6 hxg6 41.Qe7+ 
Kh6 42.g4 Qc2+ 43.Kh3 Rh8 44.Qg5+ 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "6"]
[White "Fuster, Geza"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "D50"]
[EventDate "1966.04.19"]
[PlyCount "60"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 c5 5.Bg5 cxd4 6.Qxd4 Nc6 7.Bxf6 gxf6 8.Qh4
dxc4 9.Rd1 Bd7 10.e3 Be7 11.Bxc4 Qa5 12.O-O f5 13.Qf4 O-O-O 14.Nb5 a6 15.
Nd6+ Bxd6 16.Rxd6 Rhg8 17.h3 Rg6 18.Rdd1 e5 19.Qh4 e4 20.Ng5 Rdg8 21.Nxf7 
R8g7 22.Nd6+ Kb8 23.Bb3 Qe5 24.Qf4 Rxg2+ 25.Kh1 Qxf4 26.exf4 e3 27.fxe3 
R2g3 28.Rf2 Rxh3+ 29.Rh2 Rxe3 30.Nf7 Nd4 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "6"]
[White "Iglesias, Alfredo"]
[Black "Roux-Cabral, Luis"]
[Result "1-0"]
[ECO "C47"]
[EventDate "1966.04.19"]
[PlyCount "117"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.g3 d6 5.Bg2 g6 6.O-O Bg7 7.d3 O-O 8.Be3 h6 
9.h3 Kh7 10.Kh2 Be6 11.Qd2 d5 12.exd5 Nxd5 13.Nxd5 Bxd5 14.c3 f5 15.Bc5 
Re8 16.Rfe1 Bxf3 17.Bxf3 e4 18.Be2 exd3 19.Qxd3 Qxd3 20.Bxd3 Rxe1 21.Rxe1 
Ne5 22.Be2 Re8 23.Be3 g5 24.Kg2 b6 25.f4 Ng6 26.Bb5 Re7 27.fxg5 hxg5 28.
Bd3 f4 29.gxf4 gxf4 30.Bd2 Rxe1 31.Bxe1 Kh6 32.Bd2 Nh4+ 33.Kf2 Kg5 34.Be4 
Be5 35.b4 c5 36.bxc5 bxc5 37.Ke2 Kf6 38.Kd3 Nf5 39.Bxf5 Kxf5 40.Be1 Bc7 
41.Bf2 Bd6 42.a4 a5 43.c4 Be7 44.Be1 Bd8 45.Bc3 Bc7 46.Bd2 Bd8 47.Be1 Bc7 
48.Bh4 Ke5 49.Be7 Bb6 50.h4 Ke6 51.Bf8 Kf5 52.h5 Kg5 53.h6 Kg6 54.Bd6 Kxh6
55.Bxf4+ Kg6 56.Ke4 Kf7 57.Kd5 Ke8 58.Kc6 Bd8 59.Bd2 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "6"]
[White "Ortega, Rogelio"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "C77"]
[EventDate "1966.04.19"]
[PlyCount "65"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 d6 6.c3 Be7 7.O-O O-O 8.h3 Nd7 
9.Be3 Bf6 10.Nbd2 Ne7 11.d4 Ng6 12.Bc2 Re8 13.Re1 Ndf8 14.Nf1 Nh4 15.Nxh4 
Bxh4 16.Nh2 Bg5 17.Qd2 Bxe3 18.Qxe3 Ng6 19.Rad1 Qf6 20.dxe5 dxe5 21.Bb3 
Be6 22.Bxe6 Qxe6 23.b3 Rad8 24.Qc5 c6 25.Qb6 Qe7 26.g3 Nf8 27.Nf3 f6 28.
Nh4 g6 29.Ng2 Ne6 30.h4 Rxd1 31.Rxd1 Rd8 32.Rxd8+ Nxd8 33.Ne3 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "6"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1966.04.19"]
[PlyCount "99"]

1.d4 d5 2.Nf3 c5 3.c4 Nf6 4.Nc3 cxd4 5.Nxd5 Nxd5 6.cxd5 Qxd5 7.Qxd4 Qxd4 
8.Nxd4 a6 9.a3 g6 10.g3 Bg7 11.Be3 e5 12.Nb3 Be6 13.Bg2 Nd7 14.Nd2 Rb8 15.
Rc1 O-O 16.O-O f5 17.Rc7 b6 18.Bc6 Nc5 19.b4 f4 20.Bxc5 bxc5 21.bxc5 Rbc8 
22.Rxc8 Rxc8 23.Bb7 Rxc5 24.Bxa6 Ra5 25.Bc4 Bxc4 26.Nxc4 Ra4 27.Rc1 fxg3 
28.hxg3 e4 29.Kf1 Bf8 30.Rc3 Bg7 31.Rc2 Bf8 32.Rc3 Bg7 33.Rc2 Bf8 34.Kg2 
Bxa3 35.Nxa3 Rxa3 36.Rc4 e3 37.f4 Kg7 38.Kf3 h5 39.Re4 Kf6 40.Rxe3 Ra6 41.
Re5 Ra3+ 42.Re3 Ra6 43.Rb3 Rc6 44.e4 Ra6 45.Rb5 Ra3+ 46.Kg2 Ra1 47.f5 gxf5
48.Rxf5+ Kg6 49.Rf2 Kg5 50.Rf5+ 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "6"]
[White "Santa Cruz, Hugo"]
[Black "Martinez Vaca, Gustavo"]
[Result "0-1"]
[ECO "C26"]
[EventDate "1966.04.19"]
[PlyCount "64"]

1.e4 e5 2.Nc3 Nf6 3.Bc4 Be7 4.d3 h6 5.f4 d6 6.Nf3 Nc6 7.O-O a6 8.a4 Be6 9.
Bxe6 fxe6 10.Nh4 Qd7 11.Ng6 Rg8 12.fxe5 dxe5 13.Nxe7 Qxe7 14.Be3 O-O-O 15.
a5 g5 16.Ra4 h5 17.b4 Nd4 18.Kh1 Ng4 19.Bg1 Rgf8 20.Re1 Nf2+ 21.Bxf2 Rxf2 
22.Ne2 Rdf8 23.Nxd4 exd4 24.e5 Qd7 25.Ra1 Qc6 26.Rg1 g4 27.Rc1 Qc3 28.h3 
gxh3 29.Qxh5 hxg2+ 30.Kh2 Qd2 31.Rcd1 Qf4+ 32.Kh3 Rg8 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "6"]
[White "Schweber, Samuel"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "E77"]
[EventDate "1966.04.19"]
[PlyCount "58"]

1.e4 g6 2.d4 Bg7 3.c4 d6 4.Nc3 Nf6 5.Be2 O-O 6.f4 c5 7.d5 e6 8.Nf3 exd5 9.
e5 dxe5 10.fxe5 Ng4 11.Bg5 Qa5 12.cxd5 Nxe5 13.O-O c4 14.Be7 Re8 15.d6 
Nbc6 16.Nd5 Nxe7 17.Nxe7+ Rxe7 18.dxe7 Qc5+ 19.Kh1 Qxe7 20.Nxe5 Bxe5 21.
Bxc4 Qh4 22.Bxf7+ Kg7 23.g3 Bxg3 24.Qd2 Be5 25.Rae1 Bh3 26.Rxe5 Bxf1 27.
Bd5 Rf8 28.Qc3 Kh6 29.Qe3+ Qf4 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "7"]
[White "Arraya, Jorge"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "1/2-1/2"]
[ECO "A90"]
[EventDate "1966.04.19"]
[PlyCount "82"]

1.d4 f5 2.g3 e6 3.Bg2 Nf6 4.c4 d5 5.Nc3 c6 6.e3 Bd6 7.Qd3 O-O 8.Nf3 Nbd7 
9.O-O Qe8 10.cxd5 exd5 11.Rb1 Qh5 12.Qe2 Ne4 13.Ne1 Qg6 14.Nd3 Ndf6 15.Ne5
Bxe5 16.dxe5 Ne8 17.f3 Ng5 18.b3 Kh8 19.Bb2 Ne6 20.Rbd1 Qh6 21.Qd2 g5 22.
f4 Rf7 23.Ne2 N8g7 24.Rf2 Bd7 25.Rdf1 g4 26.Rc1 Qg6 27.b4 Rd8 28.Nd4 a6 
29.Bf1 Nxd4 30.exd4 Ne6 31.Bd3 h5 32.Rc2 h4 33.Qc1 Rh7 34.Qf1 Kg7 35.Rg2 
Rdh8 36.Kf2 Rh5 37.Ke3 R8h6 38.Qf2 Kf7 39.a3 hxg3 40.hxg3 Rh1 41.Rc1 Rxc1 
1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "7"]
[White "Calero, Carlos"]
[Black "Fuster, Geza"]
[Result "0-1"]
[ECO "B80"]
[EventDate "1966.04.19"]
[PlyCount "95"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 h6 7.Bh4 Be7 8.Bg3 a6
9.Be2 O-O 10.O-O Nbd7 11.a3 Qc7 12.f4 Rd8 13.Bf3 Ne5 14.fxe5 dxe5 15.Nce2 
Bd6 16.c3 exd4 17.Bxd6 Qxd6 18.Qxd4 Qc7 19.Qe3 e5 20.h3 Be6 21.Ng3 Nd7 22.
Kh1 Qc5 23.Rfe1 Qxe3 24.Rxe3 Nc5 25.Nf5 Kf8 26.b4 Nd3 27.Be2 Nb2 28.Nh4 
Rac8 29.Nf3 f6 30.Rb1 Na4 31.Rc1 b5 32.Kg1 Rc7 33.Bd1 Nxc3 34.Rcxc3 Rxd1+ 
35.Kf2 Rxc3 36.Rxc3 Bc4 37.Ne1 Ke7 38.Nc2 Rd3 39.Rxd3 Bxd3 40.Na1 Bxe4 41.
Nb3 Bb7 42.Nc5 Bc8 43.Ke3 f5 44.h4 Kd6 45.h5 a5 46.Nd3 axb4 47.axb4 Be6 
48.g3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "7"]
[White "Cuellar Gacharna, Miguel"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "0-1"]
[ECO "D59"]
[EventDate "1966.04.19"]
[PlyCount "123"]

1.Nf3 Nf6 2.c4 e6 3.d4 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.cxd5 Nxd5
9.Bg3 Bb7 10.Bd3 Nd7 11.O-O c5 12.Rc1 cxd4 13.exd4 N7f6 14.Re1 Rc8 15.Bb1 
Re8 16.Qb3 Nxc3 17.bxc3 Bxf3 18.gxf3 Qd5 19.Kg2 Qa5 20.a4 Qd5 21.Qb5 Red8 
22.Bd3 Qxb5 23.axb5 Nd5 24.c4 Nb4 25.Red1 Nxd3 26.Rxd3 Bf6 27.Ra3 Rxd4 28.
Rxa7 Rdxc4 29.Rxc4 Rxc4 30.Rb7 Bd4 31.Bc7 Rb4 32.Bxb6 Rxb5 33.Rb8+ Kh7 34.
Bc7 Rd5 35.Rd8 Rxd8 36.Bxd8 Be5 37.h3 Kg6 38.Bb6 Kf5 39.Bc5 g6 40.Bb6 Bf4 
41.Ba7 Kf6 42.Bb6 Ke7 43.Kf1 Kd7 44.Ke2 Kc6 45.Bd8 Kd5 46.Bb6 Kc4 47.Bd8 
f5 48.Be7 Be5 49.Bd8 Bd4 50.Bc7 e5 51.Bd8 Kd5 52.Ba5 Ke6 53.Kf1 f4 54.Kg2 
Kf5 55.Bd8 g5 56.Be7 h5 57.Bd8 Bc5 58.Ba5 e4 59.fxe4+ Kxe4 60.f3+ Ke3 61.
Bc7 Ke2 62.Bb8 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "7"]
[White "Gadia, Olicio"]
[Black "Bielicki, Carlos"]
[Result "1/2-1/2"]
[ECO "A20"]
[EventDate "1966.04.19"]
[PlyCount "106"]

1.c4 g6 2.g3 Bg7 3.Bg2 e5 4.e4 Ne7 5.d3 O-O 6.Nc3 d6 7.Be3 Be6 8.Qd2 c6 9.
Nf3 f6 10.Bh6 Na6 11.O-O Nc7 12.Bxg7 Kxg7 13.Rfd1 c5 14.Rab1 Nc6 15.a3 Bg4
16.Nd5 Bxf3 17.Bxf3 Nd4 18.Bg2 Nxd5 19.exd5 a5 20.b4 axb4 21.axb4 b6 22.
bxc5 bxc5 23.Rb7+ Rf7 24.Rdb1 Ra7 25.Rb8 Qd7 26.Qb2 Rf8 27.h4 Qc7 28.Rxf8 
Kxf8 29.Qb8+ Kg7 30.Qe8 Qe7 31.Qb8 Qc7 32.Qe8 Rb7 33.Rxb7 Qxb7 34.Qd8 Nf5 
35.Bh3 Qe7 36.Qb8 Nd4 37.Bg2 f5 38.Kh2 Qf6 39.Qc7+ Kh6 40.Qa5 Qe7 41.Qd2+ 
Kg7 42.Qb2 h6 43.Qb8 Qd7 44.Qb5 g5 45.hxg5 hxg5 46.Qb8 g4 47.Kg1 Nc2 48.
Bf1 f4 49.Be2 f3 50.Bd1 Nb4 51.Ba4 Qxa4 52.Qc7+ Kg8 53.Qc8+ Kh7 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "7"]
[White "Garcia Martinez, Silvino"]
[Black "Cuartas, Carlos Enrique"]
[Result "1-0"]
[ECO "C80"]
[EventDate "1966.04.19"]
[PlyCount "57"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.Nxe5 
Nxe5 9.dxe5 c6 10.Be3 Be7 11.Nd2 Nc5 12.c3 Bf5 13.Bc2 Qd7 14.Qb1 Bxc2 15.
Qxc2 Qg4 16.f4 Ne6 17.f5 Bg5 18.Rae1 Bxe3+ 19.Rxe3 Nf4 20.Nb3 O-O 21.Nd4 
c5 22.Rg3 Qh4 23.f6 Ng6 24.fxg7 Rfe8 25.Nf5 Qe4 26.Qf2 Qxe5 27.Re3 Qc7 28.
Nh6+ Kxg7 29.Qf6+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "7"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Iglesias, Alfredo"]
[Result "1-0"]
[ECO "C88"]
[EventDate "1966.04.19"]
[PlyCount "72"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6 7.c3 Bg4 8.Re1 Be7 
9.h3 Bh5 10.d3 Qd7 11.Nbd2 h6 12.a4 O-O 13.Nf1 Na5 14.Bc2 c5 15.Ne3 Rfe8 
16.g4 Bg6 17.Nh4 Bh7 18.Nhf5 Bf8 19.Qf3 Qd8 20.Kg2 b4 21.h4 b3 22.Bd1 Rb8 
23.g5 hxg5 24.hxg5 Bxf5 25.Nxf5 Nh7 26.Rh1 Nxg5 27.Qh5 f6 28.Bxg5 fxg5 29.
Qh7+ Kf7 30.Bh5+ Ke6 31.Bxe8 Qxe8 32.Nxg7+ Bxg7 33.Qxg7 Qe7 34.Qxe7+ Kxe7 
35.Rh7+ Ke6 36.Rah1 Rf8 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "7"]
[White "Letelier Martner, Rene"]
[Black "Ortega, Rogelio"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1966.04.19"]
[PlyCount "60"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O c6 8.Qc2 Rb8
9.a4 Qc7 10.Rd1 b6 11.e4 a6 12.Qe2 e5 13.h3 Re8 14.Be3 exd4 15.Nxd4 Bb7 
16.Qc2 Nc5 17.Nde2 Qe7 18.a5 b5 19.e5 dxe5 20.cxb5 cxb5 21.Nxb5 Bxg2 22.
Bxc5 Be4 23.Qc3 Qe6 24.Nc7 Qxh3 25.f3 Rec8 26.fxe4 Rxc7 27.Qxe5 Rcc8 28.
Qf4 Rxb2 29.Rd2 Rxd2 30.Qxd2 Nxe4 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "7"]
[White "Martinez Vaca, Gustavo"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "A31"]
[EventDate "1966.04.19"]
[PlyCount "63"]

1.d4 Nf6 2.c4 c5 3.Nf3 g6 4.e3 Bg7 5.Be2 b6 6.Nc3 Bb7 7.O-O O-O 8.Qc2 d6 
9.b3 Nc6 10.a3 e5 11.d5 Ne7 12.e4 Nh5 13.Ra2 Nf4 14.g3 Nxe2+ 15.Qxe2 Bc8 
16.Ne1 f5 17.f3 a6 18.a4 Bd7 19.Bg5 h6 20.Bc1 Qc7 21.Ng2 Kh7 22.Qe1 Rf7 
23.f4 Raf8 24.Raf2 Kg8 25.Bd2 fxe4 26.Nxe4 Nf5 27.fxe5 dxe5 28.g4 Nd6 29.
Rxf7 Rxf7 30.Rxf7 Nxf7 31.h3 Nd6 32.Nh4 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "7"]
[White "Roux-Cabral, Luis"]
[Black "Santa Cruz, Hugo"]
[Result "1/2-1/2"]
[ECO "A48"]
[EventDate "1966.04.19"]
[PlyCount "44"]

1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.h4 h6 5.Bxf6 Bxf6 6.e3 c5 7.c3 cxd4 8.exd4 
b6 9.Nbd2 Ba6 10.Bxa6 Nxa6 11.Ne4 Bg7 12.h5 g5 13.Qe2 Nc7 14.Nd6+ Kf8 15.
Nf5 Bf6 16.O-O e6 17.Ne3 d6 18.Rad1 Ne8 19.d5 e5 20.Nd2 Qd7 21.Ne4 Be7 22.
g4 Ng7 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "7"]
[White "Yepez Obando, Olavo"]
[Black "Cobo Arteaga, Eldis"]
[Result "1-0"]
[ECO "E54"]
[EventDate "1966.04.19"]
[PlyCount "40"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Qe7 9.Qe2 Nc6 10.Rd1 Rd8 11.Bd2 cxd4 12.exd4 Nxd4 13.Nxd4 Rxd4 14.Bg5 Bxc3
15.bxc3 Rxd1+ 16.Rxd1 Bd7 17.Bxf6 gxf6 18.Bd3 Bc6 19.Qg4+ Kf8 20.Bxh7 f5 
1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "8"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "A56"]
[EventDate "1966.04.19"]
[PlyCount "79"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6 6.f3 Nh5 7.Be3 Bg7 8.Qd2 Nd7 9.
O-O-O a6 10.Kb1 b5 11.cxb5 O-O 12.Nge2 Nb6 13.Nc1 axb5 14.Nxb5 f5 15.Nb3 
fxe4 16.fxe4 Ba6 17.Na3 Qh4 18.Bxa6 Rxa6 19.Qc2 Nf6 20.Nd2 Rb8 21.Nac4 
Nxc4 22.Nxc4 Qxe4 23.Rhe1 Ra4 24.Qxe4 Nxe4 25.Rc1 Ra6 26.Rc2 Nf6 27.Rd2 
Rb4 28.Nxd6 Rxd6 29.Bxc5 Re4 30.Rxe4 Nxe4 31.Bxd6 Nxd2+ 32.Kc2 Nc4 33.Bb8 
Ne3+ 34.Kd3 Nxd5 35.a4 Kf7 36.a5 Ke6 37.Kc4 Bh6 38.b4 Bd2 39.a6 Be3 40.a7 
1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "8"]
[White "Bielicki, Carlos"]
[Black "Garcia Martinez, Silvino"]
[Result "1-0"]
[ECO "E68"]
[EventDate "1966.04.19"]
[PlyCount "55"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.d4 Nbd7 7.O-O e5 8.e4 c6 
9.Rb1 Re8 10.h3 a5 11.Re1 exd4 12.Nxd4 Nc5 13.Bf4 Nh5 14.Be3 Qc7 15.Qc2 
Bd7 16.b3 f5 17.exf5 Bxd4 18.Bxd4 Bxf5 19.Ne4 Nxe4 20.Bxe4 Rxe4 21.Rxe4 d5
22.cxd5 Nxg3 23.d6 Bxe4 24.Qxe4 Nxe4 25.dxc7 Rc8 26.Be5 Kf7 27.Rd1 Ke7 28.
f3 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "8"]
[White "Calero, Carlos"]
[Black "Gadia, Olicio"]
[Result "1-0"]
[ECO "B06"]
[EventDate "1966.04.19"]
[PlyCount "107"]

1.e4 g6 2.d4 Bg7 3.f4 c5 4.d5 d6 5.Nf3 Nf6 6.Nfd2 O-O 7.Be2 e6 8.c4 Na6 9.
Nc3 Nc7 10.a4 Nfe8 11.O-O f5 12.exf5 exf5 13.Nf3 Nf6 14.Bd3 Re8 15.Re1 Bd7
16.Bd2 Rb8 17.Qc2 Na6 18.Nb5 Bxb5 19.axb5 Nb4 20.Bxb4 cxb4 21.Rxe8+ Qxe8 
22.Re1 Qc8 23.g3 Qc5+ 24.Kg2 Rc8 25.Re2 Ng4 26.Qd2 Bf6 27.h3 Nh6 28.Re6 
Rf8 29.b3 Bd8 30.Qe3 Bb6 31.Qxc5 Bxc5 32.Re7 Rf7 33.Re2 Rf8 34.Ng5 Nf7 35.
Ne6 Re8 36.g4 fxg4 37.hxg4 Bb6 38.Kg3 a5 39.bxa6 bxa6 40.Ra2 a5 41.f5 Ne5 
42.Bb1 Ra8 43.Nf4 Kg7 44.g5 Be3 45.Ne6+ Kg8 46.Re2 Bc1 47.Rxe5 dxe5 48.d6 
Kf7 49.Be4 Ra7 50.c5 gxf5 51.Bxf5 Rd7 52.c6 Bf4+ 53.Kg4 h5+ 54.gxh6 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "8"]
[White "Cobo Arteaga, Eldis"]
[Black "Martinez Vaca, Gustavo"]
[Result "1-0"]
[ECO "E95"]
[EventDate "1966.04.19"]
[PlyCount "82"]

1.d4 Nf6 2.c4 d6 3.Nc3 g6 4.e4 Nbd7 5.Be2 e5 6.Nf3 Bg7 7.O-O O-O 8.Re1 c6 
9.Bf1 a6 10.h3 Qc7 11.d5 c5 12.a3 Ne8 13.g3 h6 14.Rb1 Kh7 15.Qc2 Nb6 16.b4
Nd7 17.Be3 b6 18.Rb3 Ndf6 19.Reb1 Ng8 20.bxc5 bxc5 21.Na4 Ne7 22.Nb6 Ra7 
23.Nxc8 Qxc8 24.Rb8 Qd7 25.Qb3 Nc7 26.Rxf8 Bxf8 27.Nxe5 dxe5 28.Bxc5 Ra8 
29.Qb7 Qc8 30.Bd6 Nexd5 31.Bxf8 Nc3 32.Rb3 Qxf8 33.Qxc7 Nxe4 34.Qxe5 Re8 
35.Qf4 Nc5 36.Re3 Rxe3 37.Qxe3 Qd6 38.Bg2 Kg7 39.Bd5 Ne6 40.Bxe6 fxe6 41.
Qc3+ Kh7 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "8"]
[White "Cuartas, Carlos Enrique"]
[Black "Arraya, Jorge"]
[Result "1-0"]
[ECO "E91"]
[EventDate "1966.04.19"]
[PlyCount "73"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Nbd7 7.Bg5 h6 8.Bh4 c6 
9.Qc2 Qc7 10.Rd1 Re8 11.Bg3 e5 12.c5 dxc5 13.dxe5 Nxe5 14.Nxe5 Rxe5 15.
Bxe5 Qxe5 16.Rd8+ Ne8 17.O-O Bf6 18.Rdd1 Qe7 19.f4 Bd4+ 20.Kh1 Be6 21.f5 
gxf5 22.exf5 Bd5 23.Nxd5 cxd5 24.Rd3 Nf6 25.Qd2 Qf8 26.Rg3+ Kh7 27.Bd3 Re8
28.Rh3 Ne4 29.f6 Re6 30.Qg5 Re5 31.Qf4 c4 32.Bc2 Kg8 33.Bxe4 Rxe4 34.Qf5 
Be5 35.g4 Bxf6 36.Qxf6 Rxg4 37.Rxh6 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "8"]
[White "Fuster, Geza"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "0-1"]
[ECO "D36"]
[EventDate "1966.04.19"]
[PlyCount "60"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.cxd5 exd5 5.Nc3 Be7 6.Bg5 h6 7.Bh4 O-O 8.e3 c6
9.Qc2 Re8 10.Bd3 Nbd7 11.O-O Ne4 12.Bxe7 Qxe7 13.Bxe4 dxe4 14.Nd2 Nf6 15.
Rfc1 Bf5 16.Rab1 h5 17.b4 Rad8 18.b5 Rd6 19.Qb2 Ng4 20.Nf1 Qh4 21.bxc6 
bxc6 22.g3 Qh3 23.Ne2 g5 24.Rc5 Rf6 25.Qc2 Bg6 26.Rxg5 Rxf2 27.Rxg6+ fxg6 
28.Qb3+ Kh8 29.Nf4 Rxf1+ 30.Rxf1 Qxh2# 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "8"]
[White "Iglesias, Alfredo"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "D04"]
[EventDate "1966.04.19"]
[PlyCount "100"]

1.d4 Nf6 2.Nf3 c5 3.e3 d5 4.c3 Nbd7 5.Nbd2 g6 6.Bd3 Bg7 7.O-O O-O 8.Re1 
Qc7 9.b3 e5 10.dxe5 Nxe5 11.Nxe5 Qxe5 12.Bb2 Ne4 13.Bxe4 dxe4 14.Qc2 Rd8 
15.Rad1 Bg4 16.Rb1 Qd5 17.Nxe4 Bf5 18.f3 Bxe4 19.fxe4 Qd2 20.Re2 Qxc2 21.
Rxc2 Rd3 22.Kf2 Re8 23.Ke2 Rd7 24.c4 Rxe4 25.Bxg7 Kxg7 26.Rd2 Rde7 27.Rd3 
f5 28.Kf3 h5 29.Rc1 Kf6 30.Rcc3 h4 31.Rd8 b6 32.Rcd3 Kg5 33.Rg8 R7e5 34.
Kf2 f4 35.exf4+ Rxf4+ 36.Rf3 Rfe4 37.Rd3 Rf5+ 38.Rf3 Rfe5 39.Rd3 Re2+ 40.
Kf3 Rxa2 41.Rd6 Rf5+ 42.Ke4 Rf4+ 43.Ke3 Rf6 44.Rd5+ Kg4 45.h3+ Kg3 46.Rg5+
Kh2 47.Rg4 Rxg2 48.Rxh4 Rg3+ 49.Ke4 Re6+ 50.Kd5 Ree3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "8"]
[White "Ortega, Rogelio"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]
[ECO "B34"]
[EventDate "1966.04.19"]
[PlyCount "82"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Bc4 Bg7 6.Nxc6 bxc6 7.O-O e6 8.Nc3
d5 9.exd5 cxd5 10.Nxd5 exd5 11.Bxd5 Be6 12.Bc6+ Ke7 13.Qf3 Rc8 14.Bf4 Qa5 
15.Rad1 Be5 16.Bxe5 Qxe5 17.Qa3+ Kf6 18.Rfe1 Qc7 19.Qc3+ Kg5 20.Qd2+ Kf6 
21.Qd4+ Kg5 22.h4+ Kh6 23.Rxe6 Ne7 24.Qe3+ Kg7 25.Rxe7 Qxc6 26.Qxa7 Rhf8 
27.Rdd7 Qf6 28.c3 Rc4 29.Rd4 Rc6 30.Qd7 Rb6 31.b4 Rc6 32.Re3 Rcc8 33.Rf3 
Qe5 34.Re3 Qb8 35.a4 h5 36.b5 Rfd8 37.Qe7 Re8 38.Qd6 Qa8 39.Rxe8 Rxe8 40.
b6 Qa6 41.Kh2 Qf1 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "8"]
[White "Santa Cruz, Hugo"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "B83"]
[EventDate "1966.04.19"]
[PlyCount "52"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d6 6.Be2 Nf6 7.O-O Be7 8.Be3 
O-O 9.Kh1 e5 10.Nb3 a5 11.a4 Be6 12.f4 Nb4 13.fxe5 dxe5 14.Nc5 Qxd1 15.
Bxd1 Bc4 16.Rf2 b6 17.b3 Rac8 18.bxc4 Bxc5 19.Bxc5 Rxc5 20.Re2 Rxc4 21.Nd5
Nfxd5 22.exd5 f6 23.d6 Rd8 24.c3 Rxc3 25.Rb1 Rxd6 26.h3 g6 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "8"]
[White "Schweber, Samuel"]
[Black "Roux-Cabral, Luis"]
[Result "1-0"]
[ECO "D34"]
[EventDate "1966.04.19"]
[PlyCount "51"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 exd5 6.g3 Nc6 7.Bg2 Be7 8.O-O 
O-O 9.Bf4 Be6 10.dxc5 Bxc5 11.Na4 Bd6 12.Bxd6 Qxd6 13.Nd4 Bd7 14.Nxc6 Bxc6
15.Qd4 Rfe8 16.Nc3 Rad8 17.Rfd1 Qb8 18.e3 b6 19.Rd3 Re6 20.Rad1 Red6 21.e4
dxe4 22.Qxd6 Rxd6 23.Rxd6 Be8 24.Nxe4 Nxe4 25.Bxe4 f5 26.Rd8 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "9"]
[White "Arraya, Jorge"]
[Black "Bielicki, Carlos"]
[Result "0-1"]
[ECO "E68"]
[EventDate "1966.04.19"]
[PlyCount "130"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.Nc3 Nbd7 7.O-O e5 8.e4 c6 
9.d5 Nc5 10.Ne1 cxd5 11.cxd5 a5 12.Nd3 b6 13.Nxc5 bxc5 14.Bg5 h6 15.Be3 
Rb8 16.Qd2 Ng4 17.Rab1 Qb6 18.Nd1 Ba6 19.Re1 Kh7 20.Qc2 Nxe3 21.Rxe3 Qb4 
22.Rc3 h5 23.Ne3 Bh6 24.Nc4 Bxc4 25.Rxc4 Qd2 26.Qxd2 Bxd2 27.Kf1 Rb4 28.
Rxb4 cxb4 29.Ke2 Bg5 30.Kd3 Rc8 31.Bf3 Bd8 32.Bd1 Bb6 33.f4 Bd4 34.Ba4 Rc5
35.h3 Kg7 36.fxe5 Bxe5 37.g4 h4 38.Bb3 Kh6 39.Bc4 Kg5 40.b3 Kf4 41.Re1 Kg3
42.Re3+ Kg2 43.Ke2 Bg3 44.Rd3 a4 45.Rd2 axb3 46.axb3 Ra5 47.Ke3+ Kxh3 48.
Kf3 Ra1 49.e5 dxe5 50.d6 Re1 51.Bd3 Bf4 52.d7 Bg5 53.Be2 Bd8 54.Kf2 Rc1 
55.Rd3+ Kh2 56.Bf3 Rc2+ 57.Kf1 f5 58.gxf5 gxf5 59.Rd5 Kg3 60.Bd1 Rc1 61.
Rd3+ Kf4 62.Ke2 Rc3 63.Rd6 e4 64.Rh6 Re3+ 65.Kf2 Rd3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "9"]
[White "Cuellar Gacharna, Miguel"]
[Black "Iglesias, Alfredo"]
[Result "1-0"]
[ECO "E95"]
[EventDate "1966.04.19"]
[PlyCount "79"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 Nbd7 6.Nf3 O-O 7.O-O e5 8.Re1 Re8
9.d5 Rf8 10.Bg5 h6 11.Bh4 g5 12.Bg3 Nxe4 13.Nxe4 f5 14.Nfd2 f4 15.Bg4 Nf6 
16.Bxc8 Rxc8 17.Nxf6+ Qxf6 18.Ne4 Qg6 19.Qb3 b6 20.a3 h5 21.h3 fxg3 22.
fxg3 g4 23.h4 Bh6 24.Qd3 Rf7 25.Rf1 Rcf8 26.Rxf7 Rxf7 27.Re1 Kg7 28.b4 Qf5
29.Kh2 Kg6 30.a4 Kg7 31.c5 bxc5 32.bxc5 Qd7 33.c6 Qf5 34.a5 Kg6 35.a6 Rf8 
36.Qb1 Rf7 37.Qb8 Kg7 38.Qxa7 Bf4 39.Qf2 Qc8 40.Ra1 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "9"]
[White "Gadia, Olicio"]
[Black "Fuster, Geza"]
[Result "1-0"]
[ECO "A11"]
[EventDate "1966.04.19"]
[PlyCount "59"]

1.c4 c6 2.d3 d5 3.Nd2 Nf6 4.g3 Bf5 5.Bg2 e6 6.cxd5 cxd5 7.e4 Bg6 8.Ne2 Nc6
9.O-O Bb4 10.Nf4 dxe4 11.Nxg6 hxg6 12.Nxe4 Nd5 13.a3 Be7 14.b4 O-O 15.Bb2 
Qb6 16.Rc1 a5 17.b5 Qxb5 18.Rb1 Qa6 19.h4 Nf6 20.Nxf6+ Bxf6 21.Bxf6 gxf6 
22.h5 Kg7 23.hxg6 fxg6 24.Qb3 Rf7 25.Qxe6 Qxd3 26.Rfd1 Qxa3 27.Rd7 Rf8 28.
Bxc6 bxc6 29.Rbb7 Qc1+ 30.Kg2 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "9"]
[White "Garcia Martinez, Silvino"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "B09"]
[EventDate "1966.04.19"]
[PlyCount "95"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Be2 c6 7.O-O b5 8.a3 a6 9.
Kh1 Nbd7 10.e5 dxe5 11.dxe5 Ne8 12.e6 fxe6 13.Ng5 Nc7 14.Bf3 Nb8 15.Qe1 h6
16.Nge4 Nd5 17.Nc5 Nxc3 18.bxc3 Qd6 19.Be3 e5 20.Rd1 Qc7 21.Be4 exf4 22.
Rxf4 Rxf4 23.Bxf4 Qxf4 24.Rd8+ Kh7 25.Rxc8 Nd7 26.Nd3 Qxe4 27.Qxe4 Rxc8 
28.Qe6 Rf8 29.g3 Nb6 30.Qxc6 Rf6 31.Qb7 Na4 32.Qxe7 g5 33.Qe4+ Kh8 34.c4 
Nc3 35.Qa8+ Rf8 36.Qxa6 bxc4 37.Qxc4 Nd1 38.Qc5 Nc3 39.Ne5 Re8 40.Qxc3 
Rxe5 41.Qc8+ Kh7 42.a4 h5 43.Qd8 Kg6 44.a5 g4 45.Qd3+ Kh6 46.a6 Re1+ 47.
Kg2 Ra1 48.a7 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "9"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "C84"]
[EventDate "1966.04.19"]
[PlyCount "37"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 exd4 7.e5 Ne4 8.Nxd4 
Nxd4 9.Qxd4 Nc5 10.Nc3 O-O 11.Be3 Nxa4 12.Qxa4 d6 13.Rad1 Qe8 14.exd6 Bxd6
15.Qh4 Bf5 16.Bf4 Bxc2 17.Rxd6 cxd6 18.Bxd6 Qd8 19.Be7 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "9"]
[White "Letelier Martner, Rene"]
[Black "Santa Cruz, Hugo"]
[Result "1/2-1/2"]
[ECO "D56"]
[EventDate "1966.04.19"]
[PlyCount "48"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.Nf3 O-O 6.e3 h6 7.Bh4 Ne4 8.Bxe7 
Qxe7 9.Qc2 Nxc3 10.Qxc3 b6 11.cxd5 exd5 12.Rc1 c6 13.Bd3 Bb7 14.O-O Nd7 
15.Rfd1 Rfe8 16.b4 a5 17.b5 c5 18.dxc5 Nxc5 19.Nd4 Rac8 20.Bf5 Rc7 21.Nc6 
Bxc6 22.bxc6 Rxc6 23.Rxd5 Rd6 24.Rxd6 Qxd6 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "9"]
[White "Martinez Vaca, Gustavo"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "1/2-1/2"]
[ECO "A56"]
[EventDate "1966.04.19"]
[PlyCount "59"]

1.d4 Nf6 2.c4 c5 3.e3 g6 4.Nf3 Bg7 5.Nc3 b6 6.Be2 Bb7 7.O-O O-O 8.Qc2 d6 
9.d5 e5 10.e4 Nh5 11.g3 Bc8 12.Nh4 Nf4 13.Ng2 Nxe2+ 14.Qxe2 f5 15.Bd2 a6 
16.f4 Nd7 17.Kh1 Ra7 18.Rae1 exf4 19.Nxf4 Ne5 20.b3 Re7 21.Qg2 Rfe8 22.h3 
Nf7 23.exf5 Bxf5 24.g4 Rxe1 25.Rxe1 Rxe1+ 26.Bxe1 Qe7 27.Qe2 Qxe2 28.Nfxe2
Bd7 29.Kg2 Kf8 30.Ne4 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "9"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Ortega, Rogelio"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1966.04.19"]
[PlyCount "87"]

1.Nf3 Nf6 2.c4 e6 3.d4 d5 4.cxd5 exd5 5.Nc3 c6 6.Bg5 Be7 7.e3 O-O 8.Qc2 
Re8 9.Bd3 Nbd7 10.O-O-O b5 11.Kb1 a5 12.g4 Nf8 13.Ne5 Bb7 14.f4 a4 15.Bxf6
Bxf6 16.e4 Bxe5 17.fxe5 Qa5 18.exd5 b4 19.Ne4 cxd5 20.Nd6 Re7 21.Qd2 Ne6 
22.Bf5 Ba6 23.Bxe6 fxe6 24.Rc1 a3 25.Rc5 Qb6 26.b3 Rc7 27.Rhc1 Rxc5 28.
dxc5 Qd8 29.g5 Rb8 30.c6 Qc7 31.Qd4 Rf8 32.Qxb4 Bd3+ 33.Ka1 Qxc6 34.Qxa3 
Qb6 35.Qc5 Qa6 36.Qc8 Rxc8 37.Rxc8+ Qxc8 38.Nxc8 Kf7 39.Kb2 Kg6 40.Kc3 Bb1
41.a4 Kf5 42.Kd4 Bc2 43.a5 Bxb3 44.a6 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "9"]
[White "Roux-Cabral, Luis"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "D94"]
[EventDate "1966.04.19"]
[PlyCount "190"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 O-O 6.Be2 dxc4 7.Bxc4 c5 8.O-O 
Nc6 9.dxc5 Qa5 10.Nb5 Qb4 11.Qb3 Qxc5 12.Bd2 Ne4 13.Rac1 Nxd2 14.Nxd2 Qb6 
15.Nc3 Qxb3 16.Nxb3 Rb8 17.Rfd1 Rd8 18.Rxd8+ Nxd8 19.Nd2 Bd7 20.b3 Rc8 21.
a4 Nc6 22.Na2 Kf8 23.Be2 e6 24.Kf1 Ke7 25.Ke1 Na5 26.Rxc8 Bxc8 27.b4 Nc6 
28.Nc4 Nxb4 29.Nxb4 Bc3+ 30.Kd1 Bxb4 31.Kc2 Bd7 32.Kb3 Be1 33.f3 f6 34.Na3
a6 35.Nc4 b5 36.Nb6 Be8 37.axb5 Bxb5 38.Nc8+ Kd7 39.Bxb5+ axb5 40.Na7 Bf2 
41.Nxb5 Bxe3 42.Kc4 f5 43.Kd3 Bg1 44.h3 Ke7 45.Nc3 e5 46.Ne2 Bb6 47.Nc3 
Ke6 48.Kc4 Ba5 49.Ne2 Be1 50.Nc1 Bd2 51.Ne2 Ba5 52.Ng3 h5 53.Ne2 h4 54.Nc1
e4 55.fxe4 fxe4 56.Kd4 Kf5 57.Ne2 Bb6+ 58.Kd5 Bc7 59.Kd4 Bb8 60.Ke3 Ba7+ 
61.Kd2 Ke5 62.Nc3 Bd4 63.Ne2 Bb6 64.Nc1 Ba5+ 65.Ke3 Bd8 66.Ne2 Bg5+ 67.Kf2
Kd5 68.g3 hxg3+ 69.Kxg3 Kc4 70.Kg4 Kd3 71.Ng3 Bd2 72.h4 e3 73.Kf3 Be1 74.
Ne4 Bxh4 75.Nc5+ Kc4 76.Nd7 Kd4 77.Nf8 g5 78.Ne6+ Ke5 79.Nc5 Bf2 80.Nd3+ 
Kf5 81.Nc1 g4+ 82.Kg2 Ke4 83.Kf1 g3 84.Kg2 Kd4 85.Kf3 Kc3 86.Ne2+ Kd2 87.
Nf4 Ke1 88.Ng2+ Kf1 89.Nxe3+ Kg1 90.Nd1 Be1 91.Nc3 g2 92.Ne2+ Kf1 93.Ke3 
Bh4 94.Kd3 Bg5 95.Ng3+ Ke1 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "9"]
[White "Yepez Obando, Olavo"]
[Black "Cuartas, Carlos Enrique"]
[Result "0-1"]
[ECO "D55"]
[EventDate "1966.04.19"]
[PlyCount "68"]

1.c4 Nf6 2.Nc3 e6 3.d4 d5 4.Nf3 Be7 5.Bg5 O-O 6.e3 h6 7.Bxf6 Bxf6 8.cxd5 
exd5 9.Qb3 c6 10.Be2 Qb6 11.Qc2 Bg4 12.O-O Nd7 13.a3 a5 14.h3 Be6 15.b4 
axb4 16.axb4 Rxa1 17.Rxa1 Qxb4 18.Rb1 Qa5 19.Rxb7 Nb6 20.Qa2 Qxc3 21.Rxb6 
c5 22.dxc5 d4 23.Rxe6 fxe6 24.Qxe6+ Kh8 25.exd4 Bxd4 26.Nxd4 Qa1+ 27.Kh2 
Qxd4 28.c6 Qf4+ 29.Kh1 Ra8 30.Kg1 Ra1+ 31.Bf1 Rc1 32.Qe2 Qa4 33.Qe8+ Kh7 
34.g3 Qc4 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "10"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Roux-Cabral, Luis"]
[Result "1/2-1/2"]
[ECO "C42"]
[EventDate "1966.04.19"]
[PlyCount "43"]

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.Nd4 Na6 11.O-O Bd7 12.Rfe1 h6 13.Bxf6 Bxf6 14.Bg4+ 
Kd8 15.Bxd7 Kxd7 16.Nf5 g6 17.Ng3 d5 18.a3 Rae8 19.Kf1 Nc5 20.Rxe8 Rxe8 
21.Re1 Rxe1+ 22.Kxe1 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "10"]
[White "Bielicki, Carlos"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E88"]
[EventDate "1966.04.19"]
[PlyCount "103"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.f3 O-O 6.Be3 e5 7.d5 c6 8.Qd2 cxd5 9.
cxd5 a6 10.O-O-O Nbd7 11.Kb1 b5 12.Rc1 Qa5 13.g4 Nc5 14.Nge2 Bd7 15.Ng3 
Rfc8 16.Be2 Qd8 17.Nd1 a5 18.Nf2 b4 19.h4 Be8 20.h5 Ra7 21.Rh2 Rac7 22.
Rhh1 b3 23.a3 Na4 24.Rxc7 Rxc7 25.Bd1 Qb8 26.Qxa5 Bf8 27.Qd2 Nd7 28.Nd3 
Nac5 29.Nxc5 dxc5 30.Ne2 c4 31.hxg6 fxg6 32.Nc3 Bd6 33.Be2 Nb6 34.Rc1 Qb7 
35.Qe1 Qa6 36.Qd2 Na4 37.Nxa4 Qxa4 38.Qc3 Bb5 39.Re1 Qa6 40.Bd1 Rc8 41.Be2
Bc7 42.Bd2 Bd6 43.Bf1 Qb7 44.g5 Qe7 45.Bh3 Bd7 46.Bf1 Bb5 47.Rc1 Qf7 48.
Qa5 Qb7 49.Bh3 Bd7 50.Bxd7 Qxd7 51.Qa6 Rf8 52.Rc3 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "10"]
[White "Calero, Carlos"]
[Black "Arraya, Jorge"]
[Result "1-0"]
[ECO "B25"]
[EventDate "1966.04.19"]
[PlyCount "99"]

1.e4 c5 2.Nc3 d6 3.f4 Nc6 4.d3 e6 5.g3 g6 6.Bg2 Bg7 7.Nge2 Nge7 8.O-O Nd4 
9.Nxd4 Bxd4+ 10.Kh1 O-O 11.Ne2 Bg7 12.g4 f5 13.Ng3 Bd7 14.c3 Rb8 15.Be3 
Bc6 16.Qb3 Qc8 17.h3 Kh8 18.Qc2 Qc7 19.Rae1 Rbe8 20.Bg1 b6 21.Bh2 Qb7 22.
exf5 exf5 23.gxf5 Bxg2+ 24.Qxg2 Qxg2+ 25.Kxg2 Nxf5 26.Nxf5 gxf5 27.Kf3 Bf6
28.Bg3 Kg7 29.Bf2 Kf7 30.a4 Re6 31.Rxe6 Kxe6 32.Re1+ Kd7 33.Rb1 Re8 34.Rg1
d5 35.h4 Kd6 36.h5 Ke6 37.a5 d4 38.cxd4 cxd4 39.axb6 axb6 40.Re1+ Kd7 41.
Ra1 Re7 42.Ra4 b5 43.Ra6 Re6 44.Ra7+ Ke8 45.Rb7 h6 46.Rxb5 Rc6 47.Rxf5 Rb6
48.b4 Ke7 49.b5 Bg7 50.Rd5 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "10"]
[White "Cobo Arteaga, Eldis"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1966.04.19"]
[PlyCount "40"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 Ne4 7.Qc2 Nxc3 8.Qxc3 
O-O 9.O-O d6 10.Bf4 Nd7 11.Rfd1 Qc8 12.Rac1 Rd8 13.Qc2 c5 14.dxc5 dxc5 15.
Ne1 Bxg2 16.Nxg2 Qb7 17.b3 Nf8 18.Rxd8 Rxd8 19.Rd1 Rxd1+ 20.Qxd1 Nd7 
1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "10"]
[White "Cuartas, Carlos Enrique"]
[Black "Martinez Vaca, Gustavo"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1966.04.19"]
[PlyCount "120"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 Nbd7 6.Bg2 c6 7.O-O O-O 8.e4 e5 
9.h3 a6 10.a4 Ne8 11.Be3 f5 12.dxe5 Nxe5 13.Nxe5 Bxe5 14.exf5 Bxf5 15.Qb3 
Qd7 16.g4 Be6 17.f4 Bg7 18.Ne4 Rc8 19.Ng5 b5 20.axb5 axb5 21.Ra7 Rc7 22.
Rxc7 Nxc7 23.Nxe6 Qxe6 24.Bxc6 bxc4 25.Qb6 Nd5 26.Bxd5 Qxd5 27.Rf2 Ra8 28.
Rf1 Re8 29.Bf2 h6 30.Ra1 Re2 31.Ra7 Qf3 32.g5 hxg5 33.fxg5 Rd2 34.Rxg7+ 
Kxg7 35.Qa7+ Kg8 36.Qb8+ Qf8 37.Qb6 Rd1+ 38.Kg2 Qa8+ 39.Kg3 Rd3+ 40.Kh2 
Qc8 41.Bg3 Qe6 42.h4 Qe2+ 43.Bf2 Qe5+ 44.Kg1 Qe7 45.Qc6 Qe6 46.Qa8+ Kf7 
47.Qb7+ Qe7 48.Qa8 d5 49.Qb8 Kg7 50.Qf4 Kh7 51.h5 gxh5 52.Qf5+ Kg7 53.g6 
Qf6 54.Qd7+ Kxg6 55.Qe8+ Kg7 56.Qd7+ Kh6 57.Qc8 Rd1+ 58.Kg2 Qg5+ 59.Kf3 
Rd3+ 60.Ke2 Qg4+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "10"]
[White "Fuster, Geza"]
[Black "Ortega, Rogelio"]
[Result "1-0"]
[ECO "E88"]
[EventDate "1966.04.19"]
[PlyCount "129"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 c6 6.Be3 O-O 7.Bd3 e5 8.d5 Nbd7 9.
Nge2 Nc5 10.Bc2 cxd5 11.cxd5 Bd7 12.b4 Na6 13.a3 Nh5 14.Qd2 f5 15.O-O-O f4
16.Bf2 b5 17.Kb2 Nb8 18.Nc1 a5 19.Nb3 axb4 20.axb4 Na6 21.Ne2 Nf6 22.Ra1 
Nc7 23.Na5 g5 24.h3 h5 25.Rhc1 Kh8 26.Bb3 Qb8 27.Nc6 Qb7 28.Na5 Qb8 29.Ra2
Kh7 30.Rca1 Ra6 31.Nc6 Qb7 32.Na5 Qa8 33.Rc1 Rc8 34.Nc6 Rxa2+ 35.Bxa2 Na6 
36.Na7 Rxc1 37.Nxc1 Bf8 38.Bb1 Be7 39.Bd3 Qb7 40.Nb3 Bd8 41.Qc3 Bb6 42.
Bxb6 Qxb6 43.Nc6 g4 44.hxg4 hxg4 45.Nxe5 dxe5 46.Qxe5 Nxb4 47.Qe7+ Kh6 48.
Qxb4 gxf3 49.gxf3 Kh5 50.Qe7 b4 51.Qe5+ Kg6 52.Qxf4 Kg7 53.Bc2 Ba4 54.d6 
Qc6 55.Qd2 Qc3+ 56.Qxc3 bxc3+ 57.Kxc3 Kf7 58.Kd4 Nd7 59.f4 Nb8 60.e5 Nc6+ 
61.Kc5 Nd8 62.f5 Nc6 63.e6+ Kf6 64.Nd4 Nxd4 65.Kxd4 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "10"]
[White "Gadia, Olicio"]
[Black "Garcia Martinez, Silvino"]
[Result "0-1"]
[ECO "A22"]
[EventDate "1966.04.19"]
[PlyCount "100"]

1.c4 e5 2.Nc3 Nf6 3.e4 d6 4.Nf3 g6 5.d3 Bg7 6.Bg5 h6 7.Bd2 O-O 8.h3 c6 9.
g4 d5 10.Bg2 dxe4 11.dxe4 Nbd7 12.O-O Qe7 13.Qc1 Kh7 14.g5 hxg5 15.Nxg5+ 
Kg8 16.Ne2 Nh7 17.Ng3 Nc5 18.Nxh7 Kxh7 19.Bb4 a5 20.Ba3 Bh6 21.Qc3 b6 22.
Ne2 Ra7 23.Rad1 Rh8 24.Nc1 Bxc1 25.Rxc1 Rd7 26.f4 Rhd8 27.Qxe5 Qxe5 28.
fxe5 Nd3 29.e6 fxe6 30.Rc3 e5 31.Rf6 Nf4 32.Bf1 Rd1 33.Rf3 Nxh3+ 34.Kh2 
Ng5 35.Re3 Kg7 36.Be7 R8d7 37.Be2 Rxe7 38.Rxc6 Bb7 39.Rxb6 Rd2 40.Kg1 Ne6 
41.Bg4 Nd4 42.Ra3 Bxe4 43.Rg3 Rf7 44.a3 Rff2 45.b4 Rg2+ 46.Rxg2 Rxg2+ 47.
Kf1 Rxg4 48.c5 Rg2 49.b5 Nf5 50.c6 Ne3+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "10"]
[White "Iglesias, Alfredo"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "0-1"]
[ECO "C86"]
[EventDate "1966.04.19"]
[PlyCount "48"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.c3 d5 
9.exd5 Nxd5 10.a4 Rb8 11.axb5 axb5 12.Nxe5 Nf4 13.Qe4 Nxe5 14.Qxf4 Nd3 15.
Qf3 Bb7 16.Qd1 Bd6 17.Ra7 Bxh2+ 18.Kxh2 Qh4+ 19.Kg1 Bxg2 20.Kxg2 Qg5+ 21.
Kh2 Rb6 22.Bxf7+ Kh8 23.Bh5 Rh6 24.Qg4 Qxg4 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "10"]
[White "Santa Cruz, Hugo"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "C00"]
[EventDate "1966.04.19"]
[PlyCount "105"]

1.e4 e6 2.b3 d5 3.Bb2 Nf6 4.e5 Ng8 5.f4 c5 6.Nc3 Nc6 7.Qh5 Nge7 8.Nge2 Nf5
9.g4 Nh4 10.g5 Nf5 11.Bg2 a6 12.a3 b5 13.Nd1 Bb7 14.Ne3 Nfe7 15.O-O g6 16.
Qh3 Bg7 17.Ng4 Nf5 18.Nf6+ Bxf6 19.gxf6 Qb6 20.Kh1 O-O-O 21.a4 b4 22.c3 
Kb8 23.cxb4 cxb4 24.d4 Na5 25.Rac1 Rc8 26.Rxc8+ Bxc8 27.Rc1 h5 28.Qd3 Bb7 
29.Bh3 Nc4 30.Ba1 Rc8 31.Bxf5 exf5 32.h4 Na5 33.Rxc8+ Bxc8 34.Qc2 Nb7 35.
Nc1 Nd8 36.Kg2 Ne6 37.Ne2 a5 38.Kf3 Ba6 39.Ke3 Kb7 40.Ng1 Bf1 41.Nf3 Qa6 
42.Ng5 Nxg5 43.fxg5 Bh3 44.Qc5 f4+ 45.Kd2 Be6 46.Qe7+ Kb8 47.Qd8+ Ka7 48.
Qc7+ Ka8 49.Qd8+ Kb7 50.Qe7+ Kc8 51.Qe8+ Kc7 52.Qe7+ Kb6 53.Qd6+ 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "10"]
[White "Schweber, Samuel"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "B93"]
[EventDate "1966.04.19"]
[PlyCount "55"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.Nf3 e6 8.Bd3 
Nbd7 9.Qe2 b5 10.O-O Bb7 11.f5 e5 12.Bg5 Be7 13.Rae1 h6 14.Bh4 Nc5 15.a3 
b4 16.axb4 Nxd3 17.Qxd3 Qb6+ 18.Kh1 Qxb4 19.Bxf6 gxf6 20.Nd2 Rc8 21.Nb3 
Rg8 22.Re2 Rc4 23.Ra1 Rd4 24.Nxd4 exd4 25.Nd5 Qxb2 26.Ree1 Bxd5 27.exd5 
Qb7 28.Qxa6 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "11"]
[White "Arraya, Jorge"]
[Black "Gadia, Olicio"]
[Result "1-0"]
[ECO "A43"]
[EventDate "1966.04.19"]
[PlyCount "103"]

1.d4 c5 2.d5 d6 3.c4 g6 4.Nc3 Bg7 5.e4 Na6 6.Nf3 Nc7 7.Be2 a6 8.a4 e5 9.
O-O f5 10.a5 Nf6 11.Nd2 f4 12.b4 cxb4 13.Qa4+ Kf7 14.Qxb4 Bf8 15.Ba3 Rb8 
16.Rab1 h5 17.Na4 Nd7 18.Qc3 Qf6 19.Rb2 g5 20.Rfb1 g4 21.c5 f3 22.gxf3 Bh6
23.Kh1 Bf4 24.Nf1 Rg8 25.c6 gxf3 26.Qxf3 Qg5 27.Qxh5+ Ke7 28.Qxg5+ Rxg5 
29.cxd7 Bxd7 30.Bxd6+ Kxd6 31.Rb6+ Ke7 32.d6+ Kd8 33.dxc7+ Kxc7 34.Nc5 
Rbg8 35.Ng3 Bc8 36.Ne6+ Bxe6 37.Rxe6 R5g7 38.Reb6 Kc8 39.Bc4 Rh8 40.Be6+ 
Kb8 41.Kg2 Rgh7 42.h3 Rd8 43.Bd5 Rdd7 44.Rxa6 Bd2 45.Re6 Bxa5 46.Rxe5 Bc3 
47.Re8+ Ka7 48.Rb3 Bd4 49.Ra3+ Kb6 50.Re6+ Kc5 51.Rb3 b5 52.Rc6# 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "11"]
[White "Cuellar Gacharna, Miguel"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "E94"]
[EventDate "1966.04.19"]
[PlyCount "134"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Nbd7 8.Rb1 c6 
9.b4 exd4 10.Nxd4 Re8 11.f3 a5 12.b5 c5 13.Nc2 Nb6 14.Bg5 Be6 15.Ne3 h6 
16.Bh4 g5 17.Bf2 Nh5 18.Na4 Nxa4 19.Qxa4 Nf4 20.Qc2 Be5 21.Bd1 Qf6 22.Kh1 
h5 23.Bg1 h4 24.Nf5 Bxf5 25.exf5 Kg7 26.Bf2 Nh5 27.f4 Nxf4 28.Bf3 Re7 29.
Rbe1 Rae8 30.b6 Bd4 31.Rxe7 Rxe7 32.g3 Bxf2 33.gxf4 Be3 34.fxg5 Bxg5 35.
Qg2 d5 36.Rg1 dxc4 37.Qxg5+ Qxg5 38.Rxg5+ Kf6 39.Rg1 Kxf5 40.Rf1 Kg6 41.
Kg2 c3 42.a4 Re6 43.Bxb7 Rxb6 44.Be4+ Kg7 45.Bc2 Rd6 46.Rf2 c4 47.Kf1 Rd2 
48.Rxd2 cxd2 49.Ke2 Kf6 50.Kxd2 Ke5 51.Ke3 Kd5 52.Kd2 Kd4 53.Bf5 c3+ 54.
Ke2 Kc4 55.Bc2 Kb4 56.Kd3 f5 57.h3 f4 58.Bd1 f3 59.Ke3 Ka3 60.Kxf3 Kb2 61.
Kg4 Kc1 62.Bf3 Kb2 63.Bd1 Kc1 64.Bb3 Kb2 65.Bd1 Kc1 66.Bf3 Kb2 67.Bd1 Kc1 
1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "11"]
[White "Garcia Martinez, Silvino"]
[Black "Fuster, Geza"]
[Result "1-0"]
[ECO "B32"]
[EventDate "1966.04.19"]
[PlyCount "69"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nb5 Qb8 6.c4 Nf6 7.N5c3 e6 8.Be2 
Bc5 9.O-O h5 10.g3 h4 11.Kg2 b6 12.a3 Bb7 13.b4 Be7 14.f4 e5 15.Be3 hxg3 
16.hxg3 exf4 17.Bxf4 Ne5 18.Qd4 d6 19.Nd2 a6 20.Rh1 Rg8 21.Nd5 Bxd5 22.
exd5 Nfd7 23.Rac1 Kf8 24.Ne4 a5 25.c5 bxc5 26.bxc5 dxc5 27.Nxc5 Bd6 28.
Nxd7+ Nxd7 29.Rb1 Bxf4 30.Rxb8+ Bxb8 31.Bb5 Ba7 32.Qf4 Bb8 33.Qc1 Ke7 34.
Bxd7 Kxd7 35.Qc6+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "11"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "1-0"]
[ECO "D61"]
[EventDate "1966.04.19"]
[PlyCount "93"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Nbd7 5.Bg5 Be7 6.e3 c6 7.Qc2 O-O 8.Bd3 h6 
9.Bh4 dxc4 10.Bxc4 Nd5 11.Bxe7 Qxe7 12.O-O N5b6 13.Bb3 c5 14.Qe2 cxd4 15.
exd4 Nf6 16.d5 Re8 17.Rfe1 Qf8 18.d6 Qxd6 19.Rad1 Qf8 20.Nb5 Nbd5 21.Ne5 
b6 22.Bxd5 exd5 23.Nc7 Bg4 24.Nxg4 Rxe2 25.Nxf6+ gxf6 26.Rxe2 Rd8 27.Nxd5 
Kg7 28.h3 Qc5 29.Red2 Qa5 30.a3 Qb5 31.b4 Qa4 32.Rd3 Rxd5 33.Rxd5 Qxa3 34.
b5 Qb3 35.Rd7 Qxb5 36.Rxa7 Qe2 37.Rb1 Qc2 38.Raa1 Qc3 39.Ra6 b5 40.Rb6 Qc2
41.R6xb5 Kf8 42.Rf1 Qe2 43.Rf5 Kg7 44.Rf4 Qd2 45.g3 Qd7 46.Kh2 Qd3 47.Re1 
1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "11"]
[White "Letelier Martner, Rene"]
[Black "Cobo Arteaga, Eldis"]
[Result "1-0"]
[ECO "E70"]
[EventDate "1966.04.19"]
[PlyCount "105"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bd3 e5 6.d5 O-O 7.Nge2 Nbd7 8.a3 a5 
9.f3 Nh5 10.Be3 f5 11.exf5 gxf5 12.O-O Qe7 13.Qd2 Nc5 14.Bc2 a4 15.Rae1 
Bd7 16.f4 e4 17.Nd4 Nf6 18.h3 Kh8 19.Ndb5 Bxb5 20.Nxb5 h5 21.Qd1 b6 22.Nd4
Qd7 23.Bf2 Kg8 24.Kh1 Kf7 25.Bh4 Rh8 26.Re3 Rag8 27.Ne6 Nxe6 28.dxe6+ Qxe6
29.Bxa4 Rd8 30.Bc6 Rh7 31.Bd5 Nxd5 32.cxd5 Qd7 33.Bxd8 Qxd8 34.Qc2 Bd4 35.
Rxe4 fxe4 36.Qxe4 Rg7 37.Qxd4 h4 38.Qe4 Qf6 39.Re1 Kg8 40.Qe8+ Kh7 41.Qh5+
Qh6 42.Qf3 Rf7 43.Re6 Qxf4 44.Qh5+ Kg8 45.Rg6+ Rg7 46.Rxg7+ Kxg7 47.Qg4+ 
Qxg4 48.hxg4 Kf6 49.a4 Ke5 50.b4 Kxd5 51.g5 c5 52.g6 Ke6 53.g7 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "11"]
[White "Martinez Vaca, Gustavo"]
[Black "Bielicki, Carlos"]
[Result "0-1"]
[ECO "E92"]
[EventDate "1966.04.19"]
[PlyCount "54"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e4 d6 6.Be2 e5 7.dxe5 dxe5 8.Qxd8 
Rxd8 9.Bg5 Re8 10.Rd1 Nc6 11.Bxf6 Bxf6 12.Nd5 Bd8 13.b4 a5 14.b5 Nb8 15.
Ne3 Nd7 16.O-O f6 17.Ne1 Nc5 18.f3 c6 19.Kh1 Be7 20.Nd3 Be6 21.Nxc5 Bxc5 
22.Ng4 Kg7 23.a4 Rad8 24.h3 cxb5 25.axb5 Rd4 26.Ne3 Rxd1 27.Nxd1 Bd4 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "11"]
[White "Ortega, Rogelio"]
[Black "Iglesias, Alfredo"]
[Result "1/2-1/2"]
[ECO "B00"]
[EventDate "1966.04.19"]
[PlyCount "70"]

1.e4 Nc6 2.d4 d5 3.exd5 Qxd5 4.Be3 e5 5.Nc3 Bb4 6.Qd2 Bxc3 7.bxc3 Na5 8.
dxe5 Qxe5 9.Nf3 Qe7 10.Bd3 Be6 11.Qe2 Nf6 12.Nd4 Bg4 13.f3 Bd7 14.O-O O-O 
15.Qf2 Nd5 16.Bd2 Nc6 17.Rab1 Rab8 18.c4 Ndb4 19.Nxc6 bxc6 20.Qxa7 Ra8 21.
Bxb4 Qxb4 22.Qxc7 Qc5+ 23.Kh1 Be6 24.Rb5 Qd4 25.Qxc6 Rxa2 26.Qc5 Qh4 27.f4
Rc8 28.Qe3 g6 29.Re5 Qd8 30.c5 Rca8 31.h3 R8a3 32.Kh2 Rxc2 33.Rxe6 Qxd3 
34.Re8+ Kg7 35.Qe5+ f6 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "11"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Santa Cruz, Hugo"]
[Result "1-0"]
[ECO "A05"]
[EventDate "1966.04.19"]
[PlyCount "89"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 c5 6.e4 Nc6 7.Nbd2 d6 8.a4 e5 
9.Nc4 h6 10.c3 Be6 11.Nfd2 d5 12.exd5 Bxd5 13.f3 Re8 14.Re1 Qd7 15.a5 Rad8
16.Qa4 Bf8 17.Ne3 Be6 18.Ne4 Nh7 19.Ng4 Bxg4 20.fxg4 Qxg4 21.a6 Qd7 22.
axb7 Qxb7 23.Nf6+ Nxf6 24.Bxc6 Qc8 25.Bxe8 Rxe8 26.Rf1 Bg7 27.Qh4 g5 28.
Qc4 Qh3 29.Rxa7 Rf8 30.Qa2 c4 31.dxc4 Ng4 32.b4 e4 33.Qg2 Qh5 34.Bd2 f5 
35.h3 Ne5 36.g4 Qg6 37.Kh1 f4 38.c5 Nf3 39.Rxf3 exf3 40.Qxf3 Qb1+ 41.Kg2 
Qc2 42.Rd7 Re8 43.c6 Bxc3 44.Qxc3 Re2+ 45.Kf1 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "11"]
[White "Roux-Cabral, Luis"]
[Black "Cuartas, Carlos Enrique"]
[Result "0-1"]
[ECO "A46"]
[EventDate "1966.04.19"]
[PlyCount "64"]

1.d4 Nf6 2.Nf3 e6 3.Bg5 Be7 4.Nbd2 c5 5.e3 b6 6.c3 Bb7 7.Bd3 h6 8.Bf4 Nc6 
9.Qe2 Nd5 10.Bg3 cxd4 11.Nxd4 O-O 12.Ne4 d6 13.Nb5 e5 14.Bc4 Nc7 15.O-O-O 
Nxb5 16.Bxb5 Qc7 17.f3 Na5 18.Nd2 a6 19.Bd3 b5 20.Kb1 Rfc8 21.Bf5 Rd8 22.
Bc2 Nc4 23.Qd3 g6 24.h4 h5 25.Bf2 d5 26.g4 e4 27.fxe4 dxe4 28.Qe2 Nxb2 29.
Kxb2 Ba3+ 30.Kb3 Bd5+ 31.Kxa3 Qxc3+ 32.Nb3 Bc6 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "11"]
[White "Yepez Obando, Olavo"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "C90"]
[EventDate "1966.04.19"]
[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 Na5 
9.Bc2 c5 10.d3 Nc6 11.Nbd2 O-O 12.h3 g6 13.Nf1 Kg7 14.a4 b4 15.Ne3 Be6 16.
d4 cxd4 17.cxd4 exd4 18.Nxd4 Rc8 19.Nxe6+ fxe6 20.Bb3 e5 21.Nc2 Nh5 22.Be3
Nf4 23.Rc1 a5 24.Kh2 Qd7 25.Bc4 Nd8 26.b3 Nf7 27.Qg4 Qxg4 28.hxg4 Rxc4 29.
bxc4 Nd3 30.Na1 Bg5 31.Bxg5 Nxg5 32.f3 Nxe1 33.Rxe1 Ne6 34.Nb3 Nc5 35.Nxc5
dxc5 36.Rd1 Rb8 37.Kg3 g5 38.Kf2 b3 39.Rb1 Rb4 40.Ke3 Rxc4 41.Rxb3 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "12"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "B27"]
[EventDate "1966.04.19"]
[PlyCount "102"]

1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.Nc3 Nc6 5.Be3 Qa5 6.Be2 Nf6 7.O-O Ng4 8.Bf4 
cxd4 9.Nb5 O-O 10.Nfxd4 Nxd4 11.Nxd4 Ne5 12.c4 d6 13.Bd2 Qb6 14.Bc3 Bd7 
15.Kh1 Rac8 16.b3 Nc6 17.Nxc6 Bxc6 18.Bxg7 Kxg7 19.Bd3 e5 20.Qe2 Rc7 21.f4
Qd4 22.Rad1 exf4 23.Rxf4 Re7 24.Bc2 Qe5 25.Qd2 Re6 26.h3 b6 27.Rff1 Rfe8 
28.Qd4 Qxd4 29.Rxd4 f5 30.Rfd1 Bxe4 31.Bxe4 fxe4 32.Rxd6 Rxd6 33.Rxd6 e3 
34.Rd1 Kf6 35.Kg1 Ke5 36.Rd7 Rf8 37.Rxh7 Kd4 38.Rd7+ Kc3 39.Re7 Kd2 40.
Rd7+ Kc2 41.Re7 Kd2 42.Rd7+ Ke1 43.Rd3 Rf1+ 44.Kh2 Kf2 45.h4 Ra1 46.a3 e2 
47.Rf3+ Ke1 48.g4 Kd2 49.Rf2 Ke3 50.Rxe2+ Kxe2 51.Kg3 Ke3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "12"]
[White "Bielicki, Carlos"]
[Black "Roux-Cabral, Luis"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1966.04.19"]
[PlyCount "115"]

1.d4 d5 2.c4 e6 3.cxd5 exd5 4.Nc3 Nf6 5.Bg5 c6 6.Qc2 Be7 7.e3 Nh5 8.Bxe7 
Kxe7 9.Nf3 g6 10.Bd3 Re8 11.O-O Kf8 12.b4 a6 13.a4 Be6 14.b5 axb5 15.axb5 
Rxa1 16.Rxa1 Nd7 17.bxc6 bxc6 18.Na4 Qc7 19.Nc5 Nhf6 20.Rc1 Qa7 21.Na6 Nb8
22.Nxb8 Rxb8 23.Qxc6 Rc8 24.Qd6+ Kg7 25.Rxc8 Bxc8 26.Qb4 Bg4 27.Nd2 Qa2 
28.Qc3 Be6 29.f3 Qa4 30.Bc2 Qb5 31.Nb3 Qe2 32.Nc1 Qa6 33.Nd3 Bf5 34.Nf4 
Bxc2 35.Qxc2 Qa3 36.Kf2 Qa5 37.Qc5 Qd2+ 38.Ne2 h5 39.Qd6 Qd3 40.Qe5 Qa6 
41.h4 Kg8 42.Nf4 Qc6 43.Kg3 Kg7 44.Qe7 Kg8 45.Nd3 Qc3 46.Qxf6 Qxd3 47.Qd8+
Kg7 48.Qxd5 Qd2 49.Qe5+ Kf8 50.Kh2 Qe1 51.Qe4 f5 52.Qf4 Qd2 53.Qe5 Kf7 54.
d5 Qe1 55.Qe6+ Kg7 56.Qe7+ Kg8 57.d6 f4 58.exf4 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "12"]
[White "Calero, Carlos"]
[Black "Martinez Vaca, Gustavo"]
[Result "1-0"]
[ECO "B06"]
[EventDate "1966.04.19"]
[PlyCount "61"]

1.e4 g6 2.f4 Bg7 3.Nf3 c5 4.d3 d6 5.c3 e5 6.Be2 Ne7 7.O-O Nbc6 8.Na3 O-O 
9.fxe5 dxe5 10.Be3 b6 11.Qc2 h6 12.Rad1 Be6 13.b3 Kh7 14.Bc1 a6 15.Nc4 f5 
16.Ne3 b5 17.g3 Rc8 18.c4 b4 19.Nd5 Nd4 20.Nxd4 exd4 21.Nf4 Qd7 22.Nxe6 
Qxe6 23.Bf3 Rce8 24.Rde1 Qd7 25.Qg2 Rd8 26.Kh1 fxe4 27.Bxe4 Rxf1+ 28.Rxf1 
Rf8 29.Rxf8 Bxf8 30.Qf3 Kg7 31.Bxh6+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "12"]
[White "Cobo Arteaga, Eldis"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]
[ECO "D59"]
[EventDate "1966.04.19"]
[PlyCount "91"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.cxd5 Nxd5
9.Bxe7 Qxe7 10.Nxd5 exd5 11.Bd3 c5 12.Rc1 c4 13.Bb1 Nc6 14.h3 Qf6 15.O-O 
Bf5 16.Bxf5 Qxf5 17.Qa4 Rfc8 18.b3 Na5 19.Rc3 cxb3 20.Rxc8+ Qxc8 21.axb3 
Qb7 22.Rc1 Rc8 23.Rxc8+ Qxc8 24.Ne5 f6 25.Ng6 Kh7 26.Nf4 Qc1+ 27.Kh2 Nc6 
28.Nxd5 Qc2 29.Qb5 Ne7 30.Nxe7 Qc7+ 31.g3 Qxe7 32.Qd3+ Kg8 33.Qc4+ Kf8 34.
d5 Qd7 35.b4 Ke7 36.e4 Kd6 37.b5 Qc7 38.Qa4 h5 39.h4 Qc5 40.Kg2 f5 41.Qxa7
fxe4 42.Qxg7 Qxb5 43.Qg6+ Ke5 44.Qxh5+ Kd4 45.Qg5 Qb4 46.d6 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "12"]
[White "Cuartas, Carlos Enrique"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1-0"]
[ECO "E91"]
[EventDate "1966.04.19"]
[PlyCount "67"]

1.c4 g6 2.Nc3 Bg7 3.d4 Nf6 4.e4 d6 5.Nf3 O-O 6.Be2 Bg4 7.Be3 Nfd7 8.Rc1 e5
9.d5 a5 10.a3 Na6 11.O-O Ndc5 12.Nd2 Bxe2 13.Qxe2 a4 14.Rb1 f5 15.f3 Rf7 
16.Kh1 Bf6 17.exf5 gxf5 18.f4 e4 19.g4 Bxc3 20.bxc3 fxg4 21.Qxg4+ Rg7 22.
Qe2 Qh4 23.Rg1 Rf8 24.Rxg7+ Kxg7 25.Rg1+ Kf7 26.Bf2 Qh3 27.Rg3 Qf5 28.Rg5 
Qxf4 29.Be3 Qh4 30.Rh5 Qf6 31.Rxh7+ Kg8 32.Rh6 Qxc3 33.Qg4+ Kf7 34.Rh7+ 
1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "12"]
[White "Fuster, Geza"]
[Black "Iglesias, Alfredo"]
[Result "1-0"]
[ECO "D35"]
[EventDate "1966.04.19"]
[PlyCount "125"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.cxd5 exd5 5.Nc3 Bd6 6.Bg5 c6 7.Qc2 Be6 8.e3 
Nbd7 9.Bd3 h6 10.Bh4 Qa5 11.a3 O-O 12.O-O Nh5 13.Bh7+ Kh8 14.Bf5 Rae8 15.
Rfc1 g5 16.Bxe6 Rxe6 17.Bg3 Nxg3 18.hxg3 Kg7 19.b4 Qd8 20.b5 Nb6 21.bxc6 
bxc6 22.e4 Nc4 23.a4 Ba3 24.Rcb1 Be7 25.Re1 Bb4 26.exd5 cxd5 27.Qb3 Qa5 
28.Rxe6 fxe6 29.Na2 Rb8 30.Nxb4 Rxb4 31.Qd1 Rb2 32.Qd3 Qb4 33.Re1 Qe7 34.
Ne5 Qf6 35.f3 Rb4 36.Qc3 Rxa4 37.Qb3 Nb6 38.Rc1 Qe7 39.Qc2 Qe8 40.Qc7+ Kg8
41.Rc6 Ra1+ 42.Kf2 Ra2+ 43.Ke1 Ra1+ 44.Kd2 Ra2+ 45.Kc1 Ra1+ 46.Kd2 Ra2+ 
47.Kc1 Ra1+ 48.Kb2 Re1 49.Kc2 Re2+ 50.Kc1 Qf8 51.Rd6 Re1+ 52.Kd2 Rxe5 53.
dxe5 Nc4+ 54.Ke2 Nxd6 55.exd6 Qf6 56.Qc8+ Qf8 57.Qc7 Qf6 58.d7 Qb2+ 59.Kd3
Qb3+ 60.Kd2 Qb2+ 61.Qc2 Qd4+ 62.Ke2 Qe5+ 63.Kd3 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "12"]
[White "Gadia, Olicio"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "A15"]
[EventDate "1966.04.19"]
[PlyCount "90"]

1.c4 Nf6 2.d3 c5 3.g3 g6 4.Bg2 Bg7 5.e4 Nc6 6.Ne2 d6 7.O-O O-O 8.h3 a6 9.
a4 Rb8 10.Nbc3 Bd7 11.f4 Ne8 12.g4 Nd4 13.Rb1 b5 14.axb5 axb5 15.b3 Nc7 
16.Ng3 bxc4 17.bxc4 Rxb1 18.Nxb1 Qb8 19.Nd2 Qb4 20.Nf3 Ba4 21.Qd2 Nce6 22.
f5 Nxf3+ 23.Bxf3 Nd4 24.Bd1 Ra8 25.Bxa4 Qxd2 26.Bxd2 Rxa4 27.Bf4 Nc6 28.
Rb1 Rb4 29.Rd1 Bd4+ 30.Kf1 Kg7 31.h4 Rb2 32.Ne2 Be5 33.Be3 h5 34.gxh5 gxh5
35.Kf2 Bd4 36.Rg1+ Kf6 37.Rg3 Ke5 38.Kf1 Bxe3 39.Rxe3 Nd4 40.Nc3 Rc2 41.
Nd5 e6 42.fxe6 fxe6 43.Ne7 Kf4 44.Rh3 Nf3 45.e5 Ke3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "12"]
[White "Garcia Martinez, Silvino"]
[Black "Arraya, Jorge"]
[Result "1-0"]
[ECO "B06"]
[EventDate "1966.04.19"]
[PlyCount "55"]

1.e4 g6 2.d4 d6 3.Nc3 Bg7 4.Be3 c6 5.Qd2 Nd7 6.Be2 e6 7.Nf3 Qc7 8.a4 a6 9.
O-O Ne7 10.Bh6 O-O 11.Rfe1 Rd8 12.a5 e5 13.Bc4 Nf8 14.Na4 Be6 15.Bxg7 Kxg7
16.Nb6 Rab8 17.Qc3 Bxc4 18.Nxc4 f6 19.Rad1 Nd7 20.Nxd6 Qxd6 21.dxe5 Qe6 
22.Rd6 Qf7 23.e6 Qf8 24.Rxd7 Rxd7 25.exd7 Rd8 26.Ng5 Qg8 27.Rd1 h6 28.Rd6 
1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "12"]
[White "Santa Cruz, Hugo"]
[Black "Ortega, Rogelio"]
[Result "0-1"]
[ECO "B28"]
[EventDate "1966.04.19"]
[PlyCount "62"]

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nb3 b5 7.Bg5 Bb4 8.Be2 
Bb7 9.O-O Bxc3 10.bxc3 Bxe4 11.Re1 O-O 12.Qd6 Nc6 13.Nc5 Bf5 14.Rad1 Ra7 
15.Bf3 Na5 16.Qxe5 Bxc2 17.Rd4 Nc4 18.Qg3 Re8 19.Ne4 Bxe4 20.Bxe4 Re6 21.
Red1 Nxe4 22.Rxe4 Qf8 23.Rxe6 fxe6 24.Be7 Qe8 25.Bc5 Ra8 26.h4 Rc8 27.Bd4 
e5 28.Re1 Qg6 29.Bxe5 Re8 30.Kf1 Rxe5 31.Rxe5 Qxg3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "12"]
[White "Schweber, Samuel"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "1-0"]
[ECO "C91"]
[EventDate "1966.04.19"]
[PlyCount "89"]

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.Be3 Na5 11.dxe5 Bxf3 12.Qxf3 dxe5 13.Rd1 Qc8 14.Bg5 Re8 15.Nd2
Nxb3 16.axb3 Nd7 17.Bxe7 Rxe7 18.Nf1 Nf6 19.Ne3 Qe6 20.c4 bxc4 21.bxc4 Qc6
22.Nd5 Ree8 23.b4 Nxd5 24.cxd5 Qd7 25.Rdc1 Rab8 26.Rc4 Rb6 27.Qc3 Re7 28.
Rc1 g6 29.Rc6 h6 30.f3 h5 31.Qc4 Kg7 32.Rxb6 cxb6 33.Qxa6 Qd6 34.Qa4 Rb7 
35.Qc6 Qe7 36.d6 Qd7 37.b5 Kf6 38.Qd5 g5 39.h4 gxh4 40.Ra1 h3 41.g3 h4 42.
g4 Rb8 43.Kh2 Rb7 44.Kxh3 Rb8 45.Kxh4 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "13"]
[White "Arraya, Jorge"]
[Black "Fuster, Geza"]
[Result "0-1"]
[ECO "D00"]
[EventDate "1966.04.19"]
[PlyCount "100"]

1.d4 d5 2.Nc3 Bf5 3.Bf4 c6 4.Nf3 e6 5.a3 Nf6 6.e3 Bd6 7.Ne5 Ne4 8.Nxe4 
Bxe4 9.f3 Bg6 10.Bd3 Qc7 11.Qd2 Nd7 12.Qc3 Bxd3 13.Nxd3 Bxf4 14.exf4 O-O 
15.O-O Rfc8 16.b4 b6 17.Rfe1 c5 18.dxc5 bxc5 19.b5 c4 20.Ne5 Qc5+ 21.Kh1 
Nxe5 22.Qxe5 Qxb5 23.Rab1 Qd7 24.Rb4 Qc7 25.Reb1 Qxe5 26.fxe5 g5 27.Kg1 
Rc5 28.c3 Rd8 29.Rd1 Kg7 30.Kf2 Rd7 31.h4 h6 32.Ke3 f6 33.Kd4 Ra5 34.a4 
Kf7 35.exf6 Kxf6 36.hxg5+ hxg5 37.Re1 Ra6 38.g4 Rb6 39.Rb5 Rxb5 40.axb5 
Rb7 41.Kc5 Ke7 42.Ra1 Rc7+ 43.Kd4 Kf6 44.Ra6 Rd7 45.Rc6 Rb7 46.Rc5 Rb6 47.
Rc7 Rxb5 48.Rxa7 Rb2 49.Ra6 Rd2+ 50.Ke3 Rd3+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "13"]
[White "Cuellar Gacharna, Miguel"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "1-0"]
[ECO "D61"]
[EventDate "1966.04.19"]
[PlyCount "41"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bg5 Nbd7 6.e3 O-O 7.Qc2 a6 8.a3 h6 
9.Bh4 c5 10.dxc5 dxc4 11.Bxc4 Bxc5 12.O-O b5 13.Ba2 Bb7 14.Rad1 Qc7 15.Bb1
Rfc8 16.Rxd7 Qxd7 17.Ne5 Qe8 18.Bxf6 gxf6 19.Qh7+ Kf8 20.Ng6+ fxg6 21.Bxg6
1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "13"]
[White "Iglesias, Alfredo"]
[Black "Santa Cruz, Hugo"]
[Result "1/2-1/2"]
[ECO "A39"]
[EventDate "1966.04.19"]
[PlyCount "57"]

1.Nf3 Nf6 2.c4 c5 3.Nc3 Nc6 4.g3 g6 5.Bg2 Bg7 6.O-O O-O 7.d4 cxd4 8.Nxd4 
a6 9.Bg5 h6 10.Be3 Ng4 11.Nxc6 Nxe3 12.Nxd8 Nxd1 13.Raxd1 Rxd8 14.Nd5 Kf8 
15.Nb6 Rb8 16.Bh3 e6 17.b4 Be5 18.Bg2 Ke7 19.c5 Bc7 20.Nc4 d5 21.cxd6+ 
Bxd6 22.Nxd6 Rxd6 23.Rxd6 Kxd6 24.Rd1+ Kc7 25.Rc1+ Kb6 26.Rd1 Kc7 27.Rc1+ 
Kb6 28.Rd1 Kc7 29.Rc1+ 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "13"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Bielicki, Carlos"]
[Result "1/2-1/2"]
[ECO "B99"]
[EventDate "1966.04.19"]
[PlyCount "52"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.Bd3 h6 11.Bh4 g5 12.fxg5 Ne5 13.Qe2 Nfg4 14.h3 hxg5 15.Bg3
Nf6 16.Nf3 Nfd7 17.h4 gxh4 18.Bxh4 Bxh4 19.Nxh4 Rg8 20.Rh3 Nf8 21.Qd2 Bd7 
22.Bf1 Bc6 23.Qxd6 Qxd6 24.Rxd6 Ke7 25.Rd2 Nfd7 26.Nf3 Rg4 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "13"]
[White "Letelier Martner, Rene"]
[Black "Cuartas, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "D37"]
[EventDate "1966.04.19"]
[PlyCount "45"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Qa5 8.a3 dxc4
9.Bxc4 Qxc5 10.Qe2 Nd5 11.Bxd5 exd5 12.Rd1 Be6 13.Qb5 Qxb5 14.Nxb5 Nc6 15.
Bd6 Bxd6 16.Nxd6 Na5 17.Nb5 Rfc8 18.O-O Rc2 19.Rb1 a6 20.Nbd4 Rc7 21.Rfc1 
Rac8 22.Rxc7 Rxc7 23.h3 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "13"]
[White "Martinez Vaca, Gustavo"]
[Black "Gadia, Olicio"]
[Result "0-1"]
[ECO "A56"]
[EventDate "1966.04.19"]
[PlyCount "80"]

1.d4 c5 2.e3 Nf6 3.c4 g6 4.Nc3 b6 5.Nf3 Bg7 6.Be2 O-O 7.O-O d6 8.d5 Na6 9.
e4 Ne8 10.Bd3 Bg4 11.h3 Bxf3 12.Qxf3 Nac7 13.Qe2 e6 14.f4 f5 15.e5 b5 16.
exd6 Qxd6 17.dxe6 b4 18.e7 Rf7 19.Nd5 Nxd5 20.cxd5 Rxe7 21.Qc2 Nc7 22.Bc4 
Bd4+ 23.Kh1 Nxd5 24.a3 Kg7 25.Bd2 Nf6 26.Rad1 a5 27.axb4 axb4 28.Qd3 Ne4 
29.Be1 Qf6 30.b3 Ra2 31.Kh2 Rd7 32.Qf3 Ra1 33.Bh4 Qxh4 34.Rxa1 Bxa1 35.
Rxa1 Nd2 36.Qe3 Nxc4 37.bxc4 Qe7 38.Qf2 Rd4 39.Rc1 Qd6 40.Kg3 g5 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "13"]
[White "Ortega, Rogelio"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1966.04.19"]
[PlyCount "97"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nc6 6.Nxc6 bxc6 7.c4 Nf6 8.O-O 
e5 9.Nc3 d6 10.h3 Be7 11.Be3 O-O 12.f4 exf4 13.Bxf4 Nd7 14.Qh5 Ne5 15.Rad1
Qa5 16.Kh1 Rb8 17.Bb1 Rxb2 18.Rc1 g6 19.Qd1 f6 20.c5 dxc5 21.Bxe5 fxe5 22.
Rxf8+ Bxf8 23.Qf3 Qd8 24.Bd3 Be6 25.Bxa6 c4 26.Qf1 Qd3 27.Qxd3 cxd3 28.
Bxd3 Rd2 29.Ba6 Ba3 30.Rf1 Rc2 31.Rf6 Rxc3 32.Rxe6 Kf7 33.Bc8 Rc2 34.Kg1 
Bc5+ 35.Kf1 Bd4 36.Bd7 Rxa2 37.Rxc6 Rf2+ 38.Ke1 Rxg2 39.Bc8 h5 40.Be6+ Kg7
41.Bd7 h4 42.Be8 Rg3 43.Kf1 Kh6 44.Re6 Be3 45.Rxe5 Rxh3 46.Re6 Rh2 47.
Rxg6+ Kh7 48.Rg4 h3 49.e5 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "13"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "C98"]
[EventDate "1966.04.19"]
[PlyCount "47"]

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.N3h2 
Rad8 16.Qf3 c4 17.Ng4 Nxg4 18.hxg4 Bc5 19.Be3 Ne7 20.a3 Bxe3 21.Nxe3 Rd2 
22.Rad1 Rxd1 23.Rxd1 Rd8 24.Rxd8+ 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "13"]
[White "Roux-Cabral, Luis"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1966.04.19"]
[PlyCount "118"]

1.d4 Nf6 2.Nf3 c5 3.c3 e6 4.Bf4 Nc6 5.e3 d5 6.Nbd2 Be7 7.Bd3 O-O 8.h3 b6 
9.g4 Bb7 10.Qc2 cxd4 11.exd4 Rc8 12.a3 g6 13.O-O Kg7 14.Rfe1 Bd6 15.Be3 
Re8 16.Rad1 Bb8 17.Nf1 Ng8 18.Qd2 f6 19.Bb5 a6 20.Bxc6 Bxc6 21.Bf4 Bd6 22.
g5 Qc7 23.Bxd6 Qxd6 24.gxf6+ Nxf6 25.Ne5 Ne4 26.Qe3 Ba4 27.Rc1 Qe7 28.Ng3 
Nd6 29.Kh2 Rf8 30.f3 Nf5 31.Nxf5+ Rxf5 32.Rg1 Rcf8 33.Rg4 Be8 34.Re1 b5 
35.Rg3 Qc7 36.Kg2 Rh5 37.Nd3 Bd7 38.Nc5 Re8 39.Nxa6 Qd6 40.Nc5 Bc8 41.Nd3 
Rf8 42.Ne5 Qe7 43.Qd3 Rff5 44.Kh2 Qh4 45.Reg1 Qf4 46.Qf1 Rxe5 47.dxe5 Rxe5
48.Kh1 Bd7 49.Qd3 Be8 50.R1g2 Re3 51.Qd4+ Qxd4 52.cxd4 Rd3 53.Rc2 Rxd4 54.
Rc8 Kf8 55.Rc7 Rd3 56.Rc3 Rd1+ 57.Rg1 Rd2 58.Rg2 Rd1+ 59.Kh2 Ke7 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "13"]
[White "Yepez Obando, Olavo"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "E58"]
[EventDate "1966.04.19"]
[PlyCount "58"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O Nc6 8.a3 Bxc3 
9.bxc3 Qc7 10.cxd5 exd5 11.Bb2 c4 12.Bc2 Bg4 13.Qb1 Bh5 14.Re1 Bg6 15.Nd2 
Rfe8 16.Nf1 b5 17.f3 Re7 18.Bxg6 hxg6 19.Qc2 Rae8 20.g4 a5 21.Re2 Qb6 22.
Rae1 b4 23.axb4 axb4 24.Qd2 Ra8 25.Ng3 Ra2 26.Ra1 Rea7 27.Rxa2 Rxa2 28.Qe1
Ne8 29.cxb4 Nxb4 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "14"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "0-1"]
[ECO "C98"]
[EventDate "1966.04.19"]
[PlyCount "76"]

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 Rd8 13.d5 Rf8 14.Nf1 Ne8 15.g4 g6 16.
Ng3 Bf6 17.Bh6 Bg7 18.Qc1 Nc4 19.Kh2 f6 20.Bxg7 Nxg7 21.Rg1 Rf7 22.Nh4 Qe7
23.b3 f5 24.bxc4 Qxh4 25.exf5 gxf5 26.gxf5 Kh8 27.Qe3 Bxf5 28.Bxf5 Nxf5 
29.Qe4 Raf8 30.cxb5 axb5 31.Rab1 Qh6 32.Nh1 Nh4 33.Rg3 Nf3+ 34.Kg2 Nd2 35.
Qe1 Nxb1 36.Qxb1 Qd2 37.Qf1 e4 38.Qg1 e3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "14"]
[White "Arraya, Jorge"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "B41"]
[EventDate "1966.04.19"]
[PlyCount "54"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Bb4 7.Bd3 Qc7 8.Nc2 
Bxc3+ 9.bxc3 d6 10.O-O Nbd7 11.Ne3 Nc5 12.Bc2 O-O 13.f3 Bd7 14.Ng4 Nxg4 
15.fxg4 e5 16.Be3 Be6 17.Qe2 Rac8 18.Rfd1 Rfd8 19.Rd5 Bxd5 20.exd5 e4 21.
Bd4 Re8 22.Rf1 Qe7 23.Qe3 b5 24.Rf5 bxc4 25.Bf6 gxf6 26.Qh6 Qf8 27.Qxf6 
Re5 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "14"]
[White "Bielicki, Carlos"]
[Black "Letelier Martner, Rene"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1966.04.19"]
[PlyCount "115"]

1.c4 g6 2.Nc3 Bg7 3.g3 c5 4.Bg2 Nc6 5.a3 d6 6.Rb1 Bf5 7.d3 Qc8 8.Bd2 Nf6 
9.b4 O-O 10.h3 Re8 11.e4 Bd7 12.Nge2 e5 13.bxc5 dxc5 14.Nd5 Nd4 15.Nxd4 
exd4 16.Nxf6+ Bxf6 17.h4 h5 18.O-O Bg4 19.Qb3 Rb8 20.Rfe1 b6 21.a4 Bh3 22.
Bf3 Bg4 23.Bh1 Bd7 24.Bg2 Bh3 25.Qd1 Bg4 26.Qc2 Bh3 27.Bf4 Bxg2 28.Kxg2 
Rb7 29.a5 Be5 30.Bxe5 Rxe5 31.axb6 axb6 32.f4 Re6 33.Qf2 Qc6 34.Qf3 Ra7 
35.Re2 f5 36.e5 Qxf3+ 37.Kxf3 Ra3 38.Rd2 Kf7 39.Ke2 Ke7 40.Rbb2 Kd7 41.Ra2
Ra5 42.Rdb2 Re8 43.Rxa5 bxa5 44.Rb7+ Kc6 45.Rg7 a4 46.Rxg6+ Kb7 47.Kd2 a3 
48.Kc2 a2 49.Kb2 Ra8 50.Ka1 Ra3 51.Rf6 Rxd3 52.Rxf5 Rd2 53.e6 Re2 54.Rd5 
Rxe6 55.Kxa2 Kb6 56.Rxh5 Ka5 57.Rxc5+ Kb4 58.Re5 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "14"]
[White "Calero, Carlos"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "A38"]
[EventDate "1966.04.19"]
[PlyCount "138"]

1.c4 c5 2.Nf3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nc3 Nf6 6.O-O d5 7.cxd5 Nxd5 8.Ng5 
e6 9.Nge4 Qe7 10.Nxd5 exd5 11.Nc3 d4 12.Nd5 Qd6 13.d3 O-O 14.Bf4 Ne5 15.
Rc1 Be6 16.e4 dxe3 17.Nxe3 Rad8 18.Qc2 b6 19.Rcd1 Qd7 20.Bxe5 Bxe5 21.Nc4 
Bd4 22.Kh1 Bh3 23.b3 h5 24.Qd2 Bxg2+ 25.Kxg2 Qd5+ 26.Kg1 Qf3 27.Qf4 Qxf4 
28.gxf4 Rfe8 29.Rfe1 b5 30.Rxe8+ Rxe8 31.Ne3 Bxe3 32.fxe3 Rxe3 33.Kf2 Re6 
34.Rc1 Ra6 35.Rc2 Kf8 36.Kf3 Ke7 37.Rxc5 Rxa2 38.Rxb5 Rxh2 39.Rb7+ Ke6 40.
Rxa7 Rh3+ 41.Ke4 f5+ 42.Kd4 Rf3 43.Ra6+ Kf7 44.Ra7+ Kf6 45.b4 Rxf4+ 46.Kc5
Rf1 47.b5 Rc1+ 48.Kd6 Rb1 49.Kc5 f4 50.Ra4 g5 51.b6 f3 52.Ra6 f2 53.b7+ 
Kf5 54.Ra8 Rxb7 55.Rf8+ Kg4 56.Rxf2 h4 57.d4 h3 58.d5 Rh7 59.d6 h2 60.d7 
Rxd7 61.Rxh2 Kg3 62.Rh8 g4 63.Rg8 Kf3 64.Kc4 g3 65.Kc3 g2 66.Rf8+ Kg3 67.
Rg8+ Kf2 68.Rf8+ Kg1 69.Ra8 Rh7 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "14"]
[White "Cobo Arteaga, Eldis"]
[Black "Ortega, Rogelio"]
[Result "1/2-1/2"]
[ECO "D38"]
[EventDate "1966.04.19"]
[PlyCount "52"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.Qa4+ Nc6 6.Ne5 Bd7 7.Nxd7 Qxd7 8.e3 
O-O 9.a3 Bxc3+ 10.bxc3 a6 11.Qc2 e5 12.Be2 Rfe8 13.O-O Qe6 14.cxd5 Qxd5 
15.c4 Qd7 16.dxe5 Nxe5 17.Bb2 h6 18.Rfd1 Qe6 19.h3 Rad8 20.Rxd8 Rxd8 21.
Rd1 Re8 22.Qc3 Qf5 23.Qd4 Qc2 24.Qd2 Qf5 25.Qd4 Qc2 26.Qd2 Qf5 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "14"]
[White "Cuartas, Carlos Enrique"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]
[ECO "E19"]
[EventDate "1966.04.19"]
[PlyCount "121"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 Ne4 7.Qc2 Nxc3 8.Qxc3 
Be4 9.O-O O-O 10.Ne1 Bxg2 11.Nxg2 c6 12.Bf4 d6 13.Rfd1 Nd7 14.Rac1 Nf6 15.
Qf3 d5 16.Be5 Rc8 17.Nf4 Qd7 18.c5 Ne8 19.Nd3 f6 20.Bf4 bxc5 21.Nxc5 Bxc5 
22.Rxc5 e5 23.Bc1 Nd6 24.Qd3 Ne4 25.Rc2 Rfd8 26.Kg2 h5 27.f3 Nd6 28.dxe5 
fxe5 29.Bg5 Re8 30.Qg6 e4 31.Bf4 exf3+ 32.exf3 Qf5 33.Qxf5 Nxf5 34.Kf2 Kf7
35.g4 hxg4 36.fxg4 Re4 37.Bg3 Nd4 38.Rcd2 Ne6 39.h3 Ng5 40.Kg2 Rce8 41.
Rf1+ Kg6 42.Rc2 R8e6 43.h4 Nh7 44.h5+ Kh6 45.Bf4+ g5 46.hxg6+ Kxg6 47.Kg3 
Re2 48.Rxe2 Rxe2 49.Rc1 Re6 50.Rh1 Nf8 51.Kf3 Kf6 52.Be3 a6 53.Rh8 Kf7 54.
Rh5 Re4 55.Rf5+ Kg8 56.Rf4 Rxf4+ 57.Kxf4 Ng6+ 58.Kf5 Kf7 59.b4 Nh4+ 60.Ke5
Ng2 61.Bc5 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "14"]
[White "Fuster, Geza"]
[Black "Santa Cruz, Hugo"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1966.04.19"]
[PlyCount "87"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.cxd5 exd5 5.Bg5 Be7 6.Nc3 c6 7.Qc2 O-O 8.e3 
Nbd7 9.Bd3 h6 10.Bh4 Re8 11.O-O Ne4 12.Bxe7 Qxe7 13.Bxe4 dxe4 14.Nd2 Nf6 
15.Rab1 Bf5 16.b4 h5 17.b5 Rad8 18.bxc6 bxc6 19.Na4 Ng4 20.h3 Nh6 21.Qxc6 
Rd6 22.Qc5 Bxh3 23.Rb7 Qd8 24.Qxh5 Bxg2 25.Kxg2 Rg6+ 26.Kh1 Ng4 27.f3 Rh6 
28.fxg4 Rxh5+ 29.gxh5 Qh4+ 30.Kg2 Qg5+ 31.Kf2 f5 32.Rxg7+ Kxg7 33.Rg1 
Qxg1+ 34.Kxg1 Kh6 35.Nc4 Kxh5 36.d5 Rc8 37.Nab2 Rd8 38.d6 Kg5 39.Na4 Kf6 
40.Nc5 Rg8+ 41.Kf2 Rh8 42.d7 Ke7 43.Ne5 Rg8 44.Nc6+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "14"]
[White "Gadia, Olicio"]
[Black "Roux-Cabral, Luis"]
[Result "0-1"]
[ECO "A36"]
[EventDate "1966.04.19"]
[PlyCount "78"]

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nf6 7.Nge2 O-O 8.O-O a6 
9.f4 Bd7 10.h3 Rb8 11.a4 Ne8 12.f5 Nd4 13.a5 gxf5 14.Nf4 Nf6 15.Nh5 Nxh5 
16.Qxh5 fxe4 17.dxe4 Be8 18.Bh6 f6 19.Qh4 Bxh6 20.Qxh6 Rf7 21.Nd5 Rg7 22.
Kh2 Bf7 23.Rf4 Qf8 24.Rh4 Bxd5 25.exd5 Nf5 26.Qf4 Nxh4 27.Qxh4 b5 28.b3 
bxc4 29.bxc4 Rb2 30.Kh1 Qb8 31.Be4 Qb3 32.Qh5 Kf8 33.Rg1 Qe3 34.Qf5 Rxg3 
35.Bg2 Rbxg2 36.Qc8+ Kf7 37.Qe6+ Qxe6 38.dxe6+ Kxe6 39.Rxg2 Rxg2 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "14"]
[White "Garcia Martinez, Silvino"]
[Black "Martinez Vaca, Gustavo"]
[Result "1-0"]
[ECO "C97"]
[EventDate "1966.04.19"]
[PlyCount "77"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.Re1 O-O 8.c3 d6 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 g6 13.b4 cxb4 14.cxb4 Nc6 15.a3 Nxd4 
16.Nxd4 exd4 17.Nf3 Be6 18.Nxd4 Bc4 19.Bh6 Rfe8 20.Rc1 Qb7 21.Qd2 Nd7 22.
Nb3 Qb6 23.Na5 Rac8 24.Nxc4 bxc4 25.Ba4 Red8 26.Bxd7 Rxd7 27.Qc3 f6 28.
Red1 Rdc7 29.Rd5 Kf7 30.Rcd1 Qc6 31.Bf4 Ke6 32.h4 Rd8 33.h5 g5 34.Bc1 Kf7 
35.f4 h6 36.fxg5 hxg5 37.Rf1 Ke8 38.h6 Rcc8 39.Qh3 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "14"]
[White "Schweber, Samuel"]
[Black "Iglesias, Alfredo"]
[Result "1-0"]
[ECO "A21"]
[EventDate "1966.04.19"]
[PlyCount "41"]

1.c4 f5 2.g3 Nf6 3.Bg2 e5 4.Nc3 Be7 5.d3 O-O 6.e4 d6 7.exf5 c6 8.g4 d5 9.
cxd5 Nxd5 10.Qb3 Bb4 11.Ne2 Kh8 12.O-O Bxc3 13.Nxc3 Nf6 14.h3 Qxd3 15.Rd1 
Qa6 16.Be3 Nbd7 17.Qb4 b5 18.Rd6 Bb7 19.g5 Nh5 20.Rxd7 Rxf5 21.Qe7 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "15"]
[White "Cuellar Gacharna, Miguel"]
[Black "Bielicki, Carlos"]
[Result "1-0"]
[ECO "E58"]
[EventDate "1966.04.19"]
[PlyCount "59"]

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 Re8 10.cxd5 exd5 11.c4 cxd4 12.exd4 Bg4 13.Be3 dxc4 14.Bxc4 Nd5 15.
Re1 Qd6 16.Rb1 Re7 17.Qd3 Nb6 18.Ng5 Qg6 19.Qxg6 hxg6 20.Ba2 Rd8 21.h3 Bf5
22.Rbc1 Nd5 23.Rc5 Red7 24.Bd2 Nf6 25.d5 Ne7 26.d6 Nc8 27.Bf4 Nh7 28.g4 
Bd3 29.Nxf7 Rxf7 30.Rxc8 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "15"]
[White "Iglesias, Alfredo"]
[Black "Cobo Arteaga, Eldis"]
[Result "1-0"]
[ECO "A17"]
[EventDate "1966.04.19"]
[PlyCount "72"]

1.c4 Nf6 2.Nc3 e6 3.g3 d5 4.Bg2 Be7 5.b3 O-O 6.e3 c5 7.Nge2 Nc6 8.O-O d4 
9.Na4 e5 10.Ba3 Qa5 11.Bxc6 bxc6 12.exd4 exd4 13.Nxd4 Bd6 14.Qf3 Bg4 15.
Qd3 Rfe8 16.Rfe1 Bxg3 17.Qxg3 cxd4 18.Be7 Qxd2 19.f3 Rxe7 20.Rxe7 Bh5 21.
Nc5 h6 22.Rae1 Bg6 23.R7e2 Qc3 24.f4 d3 25.Re3 Rd8 26.Nb7 Rd7 27.Nd6 Rxd6 
28.f5 Rd4 29.fxg6 fxg6 30.h3 Rd8 31.Rd1 Nh5 32.Qxg6 Qd4 33.Qxd3 c5 34.Qxd4
cxd4 35.Re4 d3 36.c5 g5 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "15"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Gadia, Olicio"]
[Result "1-0"]
[ECO "B84"]
[EventDate "1966.04.19"]
[PlyCount "35"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 Qc7 7.O-O e6 8.Be3 
Nc6 9.f4 Be7 10.Kh1 Bd7 11.a3 O-O 12.Nb3 Rac8 13.Bd3 Rfd8 14.Qf3 e5 15.Nd5
Nxd5 16.exd5 f5 17.dxc6 Bxc6 18.Qf2 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "15"]
[White "Letelier Martner, Rene"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "C14"]
[EventDate "1966.04.19"]
[PlyCount "141"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 a6 8.Nf3 c5
9.Bd3 Nc6 10.dxc5 Qxc5 11.Qd2 b5 12.O-O-O Bb7 13.f5 O-O-O 14.Rhe1 h6 15.
Qf4 Nb4 16.Kb1 Rde8 17.fxe6 fxe6 18.Bg6 Re7 19.h4 Rd8 20.Ne2 Nf8 21.Bd3 
Rc7 22.Ned4 Qe7 23.Qg4 Kb8 24.h5 Nc6 25.Nxc6+ Bxc6 26.Nd4 Bb7 27.Rd2 Bc8 
28.Rf2 Re8 29.Ref1 Nd7 30.Rf7 Qxf7 31.Rxf7 Nxe5 32.Qf4 Nxf7 33.Nc6+ Kb7 
34.Na5+ Kb8 35.Nc6+ Kb7 36.Na5+ Kb8 37.Qd4 Nd8 38.a4 e5 39.Qb6+ Bb7 40.
axb5 Re6 41.Qf2 Rf6 42.Qe3 e4 43.Be2 axb5 44.Bxb5 Ne6 45.Nb3 Nf4 46.g3 Ne6
47.Be2 Rcf7 48.c4 Rf2 49.cxd5 Bxd5 50.Qb6+ Rb7 51.Qxf2 Rxb3 52.Qf5 Nc7 53.
Qf4 Kb7 54.g4 Kc6 55.Qc1+ Kd6 56.Qf4+ Kc6 57.Kc1 Ne6 58.Qe5 Kc5 59.g5 hxg5
60.Bg4 Nf4 61.Qxg7 Nd3+ 62.Kd2 e3+ 63.Kc2 Bc4 64.Qxg5+ Kb4 65.Qe7+ Nc5 66.
h6 Rd3 67.h7 Rd2+ 68.Kc1 Rh2 69.Bd1 e2 70.Bc2 Bd3 71.Bxd3 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "15"]
[White "Martinez Vaca, Gustavo"]
[Black "Arraya, Jorge"]
[Result "1/2-1/2"]
[ECO "E94"]
[EventDate "1966.04.19"]
[PlyCount "89"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e4 d6 6.Be2 Nbd7 7.O-O e5 8.d5 Nc5 
9.Qc2 a5 10.Be3 b6 11.h3 Nh5 12.Nd2 Nf4 13.Bxf4 exf4 14.Bd3 Bd7 15.Kh2 Qh4
16.Nf3 Qh6 17.Rh1 Rfe8 18.Rae1 Re7 19.Kg1 Rae8 20.Re2 Qh5 21.Nd2 f5 22.Kf1
Bd4 23.Ke1 Qg5 24.f3 Qf6 25.Ndb1 Be3 26.Kd1 Qd4 27.Rxe3 fxe3 28.Ke2 f4 29.
Na3 Qf6 30.Qd1 Qh4 31.Qe1 Qxe1+ 32.Rxe1 Re5 33.Rh1 Rg5 34.Rh2 Rh5 35.Nab5 
Bxb5 36.Nxb5 Re7 37.Nd4 g5 38.Nf5 Rf7 39.Bc2 Rxf5 40.exf5 Kf7 41.Rh1 Nd7 
42.Rc1 Ne5 43.Be4 Rh6 44.b3 Rf6 45.Rg1 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "15"]
[White "Ortega, Rogelio"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "1/2-1/2"]
[ECO "C78"]
[EventDate "1966.04.19"]
[PlyCount "86"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.d4 d6 8.c3 Bg4 
9.h3 Bxf3 10.Qxf3 exd4 11.Qg3 g6 12.Bh6 Nxe4 13.Qf3 d5 14.Re1 f5 15.Qd1 
Nc5 16.cxd4 Nxb3 17.Qxb3 Qd7 18.a4 b4 19.Qd3 Kf7 20.Nd2 Bf6 21.Nb3 Rhe8 
22.Rec1 Nd8 23.Bd2 a5 24.Rc5 Nb7 25.Rc2 c6 26.Rac1 Re6 27.Bf4 Bd8 28.Be5 
Rc8 29.f4 Ra8 30.Kh2 Bc7 31.Kh1 Kg8 32.Qf3 Bb6 33.g4 Rf8 34.g5 Nd8 35.Qd3 
Qb7 36.h4 Nf7 37.Kh2 Rc8 38.Qf3 Nxe5 39.fxe5 Rc7 40.Qd3 Qa7 41.Nc5 Bxc5 
42.Rxc5 Qb6 43.b3 Rf7 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "15"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Cuartas, Carlos Enrique"]
[Result "0-1"]
[ECO "D36"]
[EventDate "1966.04.19"]
[PlyCount "100"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 d5 4.d4 Be7 5.cxd5 exd5 6.Bg5 Nbd7 7.e3 c6 8.Qc2 
O-O 9.Bd3 Re8 10.O-O-O Nf8 11.h3 Ne4 12.Bxe7 Qxe7 13.Bxe4 dxe4 14.Nd2 f5 
15.g4 Qf7 16.gxf5 Bxf5 17.Ndxe4 b5 18.f3 b4 19.Na4 Bxe4 20.fxe4 Qxa2 21.
Nc5 Ne6 22.Qb3 Qxb3 23.Nxb3 a5 24.Nd2 c5 25.Nf3 c4 26.Kc2 a4 27.Ra1 c3 28.
b3 Rf8 29.Raf1 a3 30.Ne5 Ng5 31.Nd3 Nxe4 32.Nxb4 Rfc8 33.Rhg1 Nd2 34.Ra1 
Rcb8 35.Na2 Rxb3 36.Nxc3 Rc8 37.Kxd2 Rcxc3 38.Rg3 Rd3+ 39.Ke2 Rxd4 40.Ra2 
Rb2+ 41.Rxb2 axb2 42.Rg1 Rh4 43.Rf1 Rxh3 44.Kd3 Rf3 45.Rb1 Rf2 46.e4 h5 
47.Ke3 Rg2 48.Rf1 Rg3+ 49.Kd4 Rb3 50.Rb1 h4 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "15"]
[White "Roux-Cabral, Luis"]
[Black "Garcia Martinez, Silvino"]
[Result "0-1"]
[ECO "A48"]
[EventDate "1966.04.19"]
[PlyCount "70"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nbd2 O-O 5.e3 b6 6.Bd3 Bb7 7.c3 d6 8.Qc2 
Nbd7 9.h4 c5 10.O-O-O Rc8 11.Rdg1 cxd4 12.exd4 Nd5 13.Be3 Nb4 14.Qb1 e5 
15.a3 Nxd3+ 16.Qxd3 exd4 17.Bxd4 Ne5 18.Bxe5 dxe5 19.Qxd8 Rcxd8 20.Re1 
Rfe8 21.Nc4 e4 22.Nfd2 f5 23.Rd1 f4 24.Rhe1 Bh6 25.Kc2 e3 26.fxe3 fxe3 27.
Nf3 Be4+ 28.Kb3 Rxd1 29.Rxd1 Bxf3 30.gxf3 e2 31.Re1 b5 32.Nd6 Bd2 33.Nxe8 
Bxe1 34.Nf6+ Kf7 35.Nd7 Bg3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "15"]
[White "Santa Cruz, Hugo"]
[Black "Schweber, Samuel"]
[Result "0-1"]
[ECO "B92"]
[EventDate "1966.04.19"]
[PlyCount "98"]

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nb3 Be7 7.Be2 d6 8.O-O 
Qc7 9.f4 Nbd7 10.f5 b5 11.Be3 Bb7 12.Bf3 Rc8 13.Rc1 Nb6 14.Bxb6 Qxb6+ 15.
Kh1 b4 16.Nd5 Nxd5 17.exd5 a5 18.c4 bxc3 19.Rxc3 O-O 20.f6 Bxf6 21.Be4 
Rxc3 22.bxc3 Bd8 23.Qh5 g6 24.Qh6 Qb5 25.Nd2 Qe2 26.Bf3 Qd3 27.c4 Bb6 28.
Be4 Qe3 29.Qxe3 Bxe3 30.Rb1 Ba6 31.Nf1 Bc5 32.Bd3 f5 33.Nd2 e4 34.Be2 Be3 
35.Nf1 Ba7 36.Nd2 Rb8 37.Rxb8+ Bxb8 38.Nb3 a4 39.Nd4 Ba7 40.Ne6 Bc8 41.Nd8
Bc5 42.Nc6 Kf7 43.Bd1 a3 44.g3 Kf6 45.Kg2 g5 46.h3 f4 47.g4 Ba6 48.Bb3 h5 
49.gxh5 f3+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "15"]
[White "Yepez Obando, Olavo"]
[Black "Fuster, Geza"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1966.04.19"]
[PlyCount "81"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 c6 4.O-O Bf5 5.d3 e6 6.Nbd2 Bc5 7.Qe1 Nbd7 8.e4 
Bg4 9.h3 Bh5 10.Nb3 Bb6 11.a4 Nc5 12.Nxc5 Bxc5 13.b4 Be7 14.Bb2 O-O 15.Ne5
Nd7 16.a5 a6 17.Rb1 Re8 18.Nxd7 Qxd7 19.exd5 Bf8 20.dxc6 bxc6 21.Qe5 Bg6 
22.Bd4 f6 23.Qe3 e5 24.Bc5 Bf7 25.Bxf8 Rxf8 26.c4 Rab8 27.Rfd1 Rfd8 28.Qc5
Be8 29.h4 g6 30.Kh2 Kg7 31.Bh3 Qc7 32.d4 exd4 33.Rxd4 Rxd4 34.Qxd4 c5 35.
Qc3 Bc6 36.Bf1 Qe7 37.Re1 Qd6 38.bxc5 Qxc5 39.Kg1 Ba8 40.Re6 Bd5 41.Qxf6+ 
1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "16"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Iglesias, Alfredo"]
[Result "1-0"]
[ECO "B03"]
[EventDate "1966.04.19"]
[PlyCount "39"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 Bf5 8.Nc3 e6
9.Be2 Nb4 10.Rc1 c5 11.Nf3 Rc8 12.O-O Bg6 13.d5 exd5 14.cxd5 c4 15.d6 Nd3 
16.Bxd3 Bxd3 17.Re1 h6 18.Nb5 Nd5 19.Qa4 Qd7 20.e6 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "16"]
[White "Arraya, Jorge"]
[Black "Roux-Cabral, Luis"]
[Result "1/2-1/2"]
[ECO "A17"]
[EventDate "1966.04.19"]
[PlyCount "39"]

1.c4 e6 2.Nc3 Nf6 3.g3 d5 4.e3 b6 5.Bg2 Bb7 6.Nge2 Nbd7 7.O-O c5 8.d4 cxd4
9.exd4 Rb8 10.cxd5 Nxd5 11.Nxd5 Bxd5 12.Bxd5 exd5 13.Nf4 Nf6 14.Re1+ Be7 
15.Qa4+ Qd7 16.Qa3 Rb7 17.Bd2 O-O 18.Bb4 Bxb4 19.Qxb4 Rc7 20.Rac1 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "16"]
[White "Bielicki, Carlos"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "0-1"]
[ECO "D53"]
[EventDate "1966.04.19"]
[PlyCount "64"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 h6 6.Bh4 O-O 7.Qc2 b6 8.cxd5 Nxd5
9.Nxd5 exd5 10.Bxe7 Qxe7 11.Nf3 c6 12.Be2 Be6 13.O-O Rc8 14.Rac1 c5 15.
dxc5 bxc5 16.Qa4 Qb7 17.Qa3 Qb6 18.Ne5 Nc6 19.Nd3 c4 20.Nf4 Rab8 21.Rc2 
Nb4 22.Rd2 Rc5 23.Qc3 Nxa2 24.Qe5 Qc7 25.Qxc7 Rxc7 26.Ra1 Nb4 27.Bf3 g5 
28.Nxe6 fxe6 29.e4 d4 30.Rc1 e5 31.Be2 c3 32.bxc3 dxc3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "16"]
[White "Calero, Carlos"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "C91"]
[EventDate "1966.04.19"]
[PlyCount "96"]

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.Nbd2 Rad8 14.h3 Bh5 15.g4 Bg6 
16.Nf1 d5 17.exd5 Nxd5 18.Qe2 Bxc2 19.Qxc2 f6 20.Qe4 Nc4 21.a4 Qxc6 22.
axb5 Qxb5 23.Qc2 Rb8 24.Rd1 Rfd8 25.Ng3 Nc7 26.Nf5 Rxd1+ 27.Qxd1 Bf8 28.
Rb1 Qc6 29.Qe2 Ne6 30.Ra1 a5 31.h4 a4 32.g5 Re8 33.gxf6 gxf6 34.Nh2 Kh8 
35.Qh5 Ng7 36.Nxg7 Bxg7 37.Nf1 Rg8 38.Ng3 Bf8 39.Qf5 Be7 40.Kh2 Nd6 41.Qh5
f5 42.Bg5 Bxg5 43.hxg5 Ne4 44.Nxf5 Qc5 45.Qe2 Nxg5 46.Qe3 Qd5 47.Ne7 Nf3+ 
48.Kh1 Qd6 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "16"]
[White "Cobo Arteaga, Eldis"]
[Black "Santa Cruz, Hugo"]
[Result "1-0"]
[ECO "D41"]
[EventDate "1966.04.19"]
[PlyCount "47"]

1.c4 Nf6 2.Nc3 e6 3.d4 d5 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bc4 cxd4 8.exd4 
Nb6 9.Bb3 Be7 10.O-O O-O 11.Re1 Bf6 12.Be3 Ne7 13.Ne4 Nbd5 14.Nxf6+ gxf6 
15.Bh6 Re8 16.Nh4 f5 17.Qh5 Bd7 18.Nf3 Ng6 19.Ne5 Nf6 20.Qg5 Bc6 21.Nxg6 
hxg6 22.Rxe6 Rxe6 23.Bxe6 Qxd4 24.Qxg6+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "16"]
[White "Cuartas, Carlos Enrique"]
[Black "Ortega, Rogelio"]
[Result "1-0"]
[ECO "E93"]
[EventDate "1966.04.19"]
[PlyCount "87"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 Nbd7 8.Bg5 h6 
9.Bh4 g5 10.Bg3 Nc5 11.Nd2 Nh7 12.f3 a5 13.Bf2 f5 14.a3 Bd7 15.b4 axb4 16.
axb4 Rxa1 17.Qxa1 Na6 18.Qa3 f4 19.c5 dxc5 20.bxc5 Bc8 21.O-O Nb8 22.Qb3 
Kh8 23.Ra1 Qe7 24.c6 h5 25.Ra8 g4 26.Rxb8 bxc6 27.Nf1 Ng5 28.dxc6 gxf3 29.
Rxc8 Rxc8 30.Bxf3 Nxf3+ 31.gxf3 Rg8 32.Nd2 Qd6 33.Qd5 Qa3 34.Ndb1 Qa6 35.
Qb5 Qa8 36.Qc4 Qc8 37.Kf1 Qh3+ 38.Ke2 Qxh2 39.Qf7 Rb8 40.Nd2 Rb2 41.Nd1 
Rc2 42.Qxc7 Bf6 43.Qd6 Bg7 44.Qd7 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "16"]
[White "Fuster, Geza"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[ECO "E90"]
[EventDate "1966.04.19"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 O-O 6.Nf3 e5 7.d5 c5 8.g4 a6 9.Bg5
h6 10.Be3 h5 11.Nh2 hxg4 12.hxg4 Nh7 13.Qd2 Bf6 14.O-O-O Bg5 15.Nf3 Bxe3 
16.Qxe3 Qf6 17.g5 Qf4 18.Qxf4 exf4 19.Bh3 Nd7 20.Bxd7 Bxd7 21.Rh4 Kg7 22.
Rdh1 Rh8 23.e5 Bf5 24.exd6 f6 25.Rxh7+ Rxh7 26.gxf6+ Kg8 27.Rxh7 Kxh7 28.
Ng5+ Kg8 29.Ne6 Kf7 30.Nxc5 b6 31.N5e4 g5 32.b4 a5 33.a3 axb4 34.axb4 Bd7 
35.c5 bxc5 36.bxc5 Ra6 37.c6 Bf5 38.d7 Bxd7 39.cxd7 Ra8 40.Nd6+ Kxf6 41.
Nc8 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "16"]
[White "Gadia, Olicio"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "C47"]
[EventDate "1966.04.19"]
[PlyCount "81"]

1.e4 e5 2.Nc3 Nf6 3.g3 Bc5 4.Bg2 a6 5.Nf3 d6 6.d3 Nc6 7.O-O Be6 8.Be3 Qd7 
9.Bxc5 dxc5 10.Qd2 h6 11.Nh4 c4 12.Na4 O-O-O 13.Nc5 Qd4 14.Nxe6 fxe6 15.
Nf3 Qxb2 16.Rfb1 Qa3 17.Qe3 Ng4 18.Qe2 Rhf8 19.h3 Nf6 20.Rd1 g5 21.d4 exd4
22.Qxc4 e5 23.Rab1 Nd7 24.Rb3 Qe7 25.Rb2 Rf6 26.Ne1 Rdf8 27.Nd3 Nb6 28.Qb3
Na5 29.Qb4 Qxb4 30.Rxb4 Nc6 31.Rb3 Na4 32.f4 gxf4 33.gxf4 exf4 34.e5 Rg6 
35.Kf2 Nc3 36.Re1 f3 37.Bxf3 Rg5 38.Rf1 Rgf5 39.Kg2 h5 40.Nc5 Na5 41.Ne6 
0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "16"]
[White "Garcia Martinez, Silvino"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "D36"]
[EventDate "1966.04.19"]
[PlyCount "56"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Be7 6.e3 O-O 7.Bd3 Re8 8.Qc2 
Nbd7 9.Nf3 c6 10.h3 h6 11.Bxf6 Nxf6 12.O-O-O c5 13.Ne5 c4 14.Bf5 Bxf5 15.
Qxf5 Bb4 16.Qc2 Bxc3 17.bxc3 Qa5 18.f3 Rad8 19.Kd2 Nd7 20.Nxd7 Rxd7 21.Rb1
Qc7 22.Rhe1 Rde7 23.Qa4 Qg3 24.Re2 Qg6 25.Qc2 Rxe3 26.Rxe3 Qxg2+ 27.Kc1 
Qg1+ 28.Kb2 Qxe3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "16"]
[White "Yepez Obando, Olavo"]
[Black "Martinez Vaca, Gustavo"]
[Result "1-0"]
[ECO "E91"]
[EventDate "1966.04.19"]
[PlyCount "97"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Be2 O-O 6.Nf3 Nbd7 7.Bg5 c6 8.O-O Qc7
9.Re1 a6 10.a4 e5 11.d5 c5 12.Nd2 Ne8 13.Be7 f5 14.Bxf8 Nxf8 15.a5 Nf6 16.
exf5 gxf5 17.Nf1 Bh6 18.Ng3 Ng6 19.Qc2 Nh4 20.Nh5 Nxh5 21.Bxh5 Qg7 22.g3 
f4 23.Ne4 Nf5 24.Qd1 Kh8 25.Ra3 Bd7 26.Kh1 Rg8 27.Rg1 Qe7 28.Bf3 Nd4 29.
Qd3 Bf5 30.Raa1 Rg6 31.g4 Bd7 32.Bd1 Qh4 33.f3 Bf8 34.Qd2 h5 35.Qf2 Qh3 
36.gxh5 Qxh5 37.Rxg6 Qxg6 38.Be2 Be7 39.Rg1 Qh7 40.Ng5 Qh5 41.Ne6 Nxe6 42.
dxe6 Bxe6 43.Qg2 Qh6 44.Bd3 Bf7 45.b3 Bd8 46.Be4 Bxa5 47.Bd5 Bxd5 48.cxd5 
Qh7 49.Qg5 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "17"]
[White "Cuellar Gacharna, Miguel"]
[Black "Gadia, Olicio"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1966.04.19"]
[PlyCount "123"]

1.d4 c5 2.e3 Nf6 3.c4 g6 4.Nf3 Bg7 5.Nc3 O-O 6.Be2 d5 7.dxc5 Qa5 8.Bd2 
Qxc5 9.b4 Qd6 10.Rc1 dxc4 11.Bxc4 Nc6 12.Nb5 Qd8 13.Nbd4 Nxd4 14.exd4 Bg4 
15.h3 Bxf3 16.Qxf3 Qxd4 17.Be3 Qe4 18.O-O Rfd8 19.Qxe4 Nxe4 20.Rfd1 b6 21.
Ba6 Nc3 22.Rd2 Rab8 23.Bf4 Rxd2 24.Bxd2 Ne4 25.Bf4 e5 26.Be3 Bf8 27.Bd3 
Nf6 28.Bg5 Nd5 29.Be4 Nf4 30.Kh2 Bxb4 31.Bf6 Nh5 32.Bxe5 Re8 33.Bb2 Bc5 
34.f3 Bd6+ 35.Kg1 Ng3 36.Bd3 Bc5+ 37.Kh2 Ne2 38.Rd1 Nd4 39.h4 h5 40.Kh3 
Rd8 41.Bc4 Ne6 42.Rxd8+ Nxd8 43.g4 Bd6 44.gxh5 gxh5 45.Bf6 Ne6 46.Bg5 Kg7 
47.Bd2 Be5 48.Kg2 Kf6 49.Kf2 Ke7 50.Bc1 Bd6 51.Bd2 f5 52.Bg5+ Nxg5 53.hxg5
Bf4 54.g6 Kf6 55.Bf7 b5 56.Be8 b4 57.g7 Kxg7 58.Bxh5 a5 59.Be8 Kf8 60.Ba4 
Ke7 61.Ke2 Kd6 62.Kd3 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "17"]
[White "Iglesias, Alfredo"]
[Black "Cuartas, Carlos Enrique"]
[Result "0-1"]
[ECO "A16"]
[EventDate "1966.04.19"]
[PlyCount "156"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.e3 c6 6.Nge2 d5 7.d3 dxc4 8.dxc4 
Be6 9.Qxd8 Rxd8 10.b3 Na6 11.Ba3 Kf8 12.Nd4 Nc7 13.Rd1 Bg4 14.Rd2 Ne6 15.
Nce2 Ng5 16.f3 Bh3 17.O-O Bh6 18.Nf4 Rac8 19.Rfd1 Ke8 20.Nxh3 Nxh3+ 21.
Bxh3 Bxe3+ 22.Kf1 Bxd2 23.Rxd2 Rc7 24.Ke2 e6 25.Ke3 Rcd7 26.f4 b6 27.Nf3 
c5 28.Bb2 Rxd2 29.Nxd2 Ke7 30.g4 h6 31.g5 hxg5 32.fxg5 Nh7 33.Ne4 Rd1 34.
Be5 Re1+ 35.Kf4 Rxe4+ 36.Kxe4 Nxg5+ 37.Ke3 Nxh3 38.Bb8 Kd7 39.Be5 Ng5 40.
a4 a6 41.Bg7 Nh7 42.h4 f6 43.Ke4 Kd6 44.Kf4 e5+ 45.Ke4 f5+ 46.Kf3 Ke6 47.
Bh6 Nf6 48.Bd2 a5 49.Bg5 Ne4 50.Bd8 Nd2+ 51.Ke3 Nxb3 52.Bxb6 f4+ 53.Ke4 
Kd6 54.Bd8 Kd7 55.Bf6 Nd2+ 56.Kd3 Ke6 57.Bd8 Nb3 58.Ke4 f3 59.Kxf3 Nd2+ 
60.Kg4 Nxc4 61.Kg5 e4 62.Kxg6 e3 63.h5 e2 64.Bh4 Ne5+ 65.Kg7 c4 66.Be1 Ng4
67.Bxa5 Ke5 68.Be1 Kd4 69.a5 c3 70.a6 c2 71.a7 c1=Q 72.a8=Q Qxe1 73.Qa4+ 
Ke3 74.Qa3+ Kf4 75.h6 Qd2 76.Qf8+ Kg3 77.Qb8+ Kh4 78.h7 Qd4+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "17"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Arraya, Jorge"]
[Result "1-0"]
[ECO "B92"]
[EventDate "1966.04.19"]
[PlyCount "37"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be6 8.O-O 
Be7 9.f4 Nc6 10.f5 Bxb3 11.cxb3 Nd4 12.Bc4 O-O 13.Be3 Nxe4 14.Nxe4 d5 15.
f6 gxf6 16.Bxd4 exd4 17.Bd3 dxe4 18.Qg4+ Kh8 19.Qxe4 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "17"]
[White "Letelier Martner, Rene"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "B44"]
[EventDate "1966.04.19"]
[PlyCount "130"]

1.e4 c5 2.Ne2 Nc6 3.d4 cxd4 4.Nxd4 e6 5.c4 Nf6 6.Nxc6 bxc6 7.Bd3 Be7 8.O-O
e5 9.Nc3 d6 10.h3 O-O 11.Rb1 Be6 12.Re1 a5 13.a3 Nd7 14.b3 g6 15.Bh6 Re8 
16.Qd2 Nc5 17.Bc2 a4 18.b4 Nb3 19.Qd3 Bh4 20.Be3 f5 21.Nxa4 Rxa4 22.Qxb3 
Ra8 23.Red1 Qe7 24.Qd3 f4 25.Bb6 Qg5 26.Bb3 Rab8 27.c5 d5 28.exd5 f3 29.
Qxf3 Rf8 30.dxe6 Rxf3 31.e7+ Rxb3 32.Bd8 Qxe7 33.Bxe7 Rxb1 34.Rxb1 Bxe7 
35.Re1 Bf6 36.Kf1 Kf7 37.Ke2 Ke6 38.Rd1 Rd8 39.Rxd8 Bxd8 40.Kd3 Kd5 41.f3 
Bh4 42.Kc3 h5 43.g4 Be1+ 44.Kb3 hxg4 45.hxg4 Bg3 46.a4 e4 47.fxe4+ Kd4 48.
g5 Bf4 49.a5 Bb8 50.a6 Ba7 51.e5 Kxe5 52.Kc4 Ke4 53.Kc3 Kd5 54.Kd3 Bb8 55.
Kc3 Be5+ 56.Kd3 Bb8 57.Kc3 Ke6 58.Kc4 Kd7 59.b5 cxb5+ 60.Kxb5 Ba7 61.Kc4 
Kc6 62.Kd4 Bxc5+ 63.Ke5 Be7 64.Ke6 Bxg5 65.Kf7 Kb6 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "17"]
[White "Martinez Vaca, Gustavo"]
[Black "Fuster, Geza"]
[Result "1-0"]
[ECO "D20"]
[EventDate "1966.04.19"]
[PlyCount "79"]

1.d4 d5 2.c4 dxc4 3.Nc3 a6 4.a4 e5 5.Nf3 exd4 6.Qxd4 Qxd4 7.Nxd4 Nf6 8.e4 
Bb4 9.f3 c5 10.Nc2 Be6 11.Ne3 Nc6 12.Bxc4 Na5 13.Bxe6 fxe6 14.Bd2 Nd7 15.
Nc2 Nb3 16.Rd1 Nb6 17.Nxb4 cxb4 18.Ne2 Nxd2 19.Rxd2 Nxa4 20.Nf4 Ke7 21.Ke2
Rhd8 22.Rhd1 Rxd2+ 23.Rxd2 Nc5 24.Rc2 b6 25.Nd3 a5 26.Nxc5 Rc8 27.Kd3 Rxc5
28.Rxc5 bxc5 29.b3 Kd6 30.f4 Kc6 31.Kc4 Kb6 32.g4 a4 33.bxa4 Ka5 34.f5 e5 
35.g5 Kxa4 36.f6 gxf6 37.gxf6 b3 38.f7 b2 39.f8=Q b1=Q 40.Qa8# 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "17"]
[White "Ortega, Rogelio"]
[Black "Bielicki, Carlos"]
[Result "1-0"]
[ECO "B92"]
[EventDate "1966.04.19"]
[PlyCount "83"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be6 8.O-O 
Nbd7 9.f4 Qc7 10.Nd5 Bxd5 11.exd5 Be7 12.fxe5 Nxe5 13.Nd4 g6 14.Kh1 O-O 
15.Bh6 Rfe8 16.c4 Nfd7 17.b3 Bf6 18.Qd2 Qd8 19.Rf4 Bg5 20.Bxg5 Qxg5 21.Ne6
fxe6 22.Rf8+ Rxf8 23.Qxg5 exd5 24.cxd5 Rf7 25.Rf1 Rxf1+ 26.Bxf1 Rf8 27.Kg1
Nf6 28.h3 Kg7 29.Qd2 Rf7 30.Be2 Re7 31.a4 Nf7 32.a5 Ne5 33.Qd4 Rd7 34.b4 
Re7 35.Bd1 Nf7 36.Bg4 Rc7 37.Be6 Ng5 38.h4 Nxe6 39.dxe6 d5 40.Qe5 Rc1+ 41.
Kf2 h5 42.Qb8 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "17"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Calero, Carlos"]
[Result "1-0"]
[ECO "A05"]
[EventDate "1966.04.19"]
[PlyCount "53"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 c5 5.c4 Nc6 6.Bg2 O-O 7.O-O d6 8.Nc3 Rb8 
9.e3 Ne4 10.d4 Nxc3 11.Bxc3 Bg4 12.Qd2 e5 13.d5 Bxf3 14.Bxf3 Ne7 15.Bg2 g5
16.e4 h6 17.Bh3 f5 18.f4 exf4 19.gxf4 g4 20.Bxg7 Kxg7 21.Bg2 Ng6 22.Rae1 
Qh4 23.Qc3+ Kh7 24.exf5 Rxf5 25.Re6 Rbf8 26.Be4 Nxf4 27.Rxf4 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "17"]
[White "Roux-Cabral, Luis"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "A38"]
[EventDate "1966.04.19"]
[PlyCount "82"]

1.d3 g6 2.g3 Bg7 3.Bg2 c5 4.Nf3 Nc6 5.c4 d6 6.Nc3 Nf6 7.Bd2 O-O 8.O-O a6 
9.h3 Rb8 10.a4 h6 11.Kh2 e5 12.Ng1 Nh5 13.e3 f5 14.Nd5 a5 15.Ne2 Nb4 16.
Bxb4 cxb4 17.b3 Kh7 18.Ra2 b6 19.d4 e4 20.Rc2 Be6 21.Nef4 Nxf4 22.Nxf4 Bf7
23.Rd2 Qe7 24.Qb1 Rbe8 25.Rc1 Rc8 26.Bf1 Qb7 27.Rdc2 Rfd8 28.h4 g5 29.hxg5
hxg5 30.Ne2 Bh5 31.Bg2 Qf7 32.Rh1 Rh8 33.Kg1 Kg6 34.Rd2 Bf6 35.Kf1 Bf3 36.
Rxh8 Rxh8 37.Ng1 g4 38.c5 bxc5 39.dxc5 dxc5 40.Bxf3 gxf3 41.g4 Qe6 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "17"]
[White "Santa Cruz, Hugo"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "1/2-1/2"]
[ECO "C34"]
[EventDate "1966.04.19"]
[PlyCount "31"]

1.e4 e5 2.f4 exf4 3.Nf3 Nf6 4.e5 Nh5 5.Bc4 d5 6.Bb3 g5 7.O-O c5 8.Nc3 Be6 
9.d4 Nc6 10.dxc5 Bxc5+ 11.Kh1 g4 12.Bxd5 Qe7 13.Bxe6 fxe6 14.Ne4 Rd8 15.
Qe2 Rg8 16.c3 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "17"]
[White "Schweber, Samuel"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "E54"]
[EventDate "1966.04.19"]
[PlyCount "30"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Qe7 9.Qe2 Bd7 10.Rd1 Bc6 11.Ne5 Rd8 12.a3 Ba5 13.dxc5 Qxc5 14.Rxd8+ Bxd8 
15.Nxc6 Nxc6 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "18"]
[White "Alvarez del Monte, Jose Luis"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "B88"]
[EventDate "1966.04.19"]
[PlyCount "30"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 e6 7.Bb3 Be7 8.O-O 
Na5 9.Be3 a6 10.f4 Qc7 11.Qf3 O-O 12.Rad1 Nxb3 13.cxb3 b5 14.Rc1 Qd7 15.f5
e5 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "18"]
[White "Arraya, Jorge"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "A33"]
[EventDate "1966.04.19"]
[PlyCount "50"]

1.d4 Nf6 2.c4 c5 3.Nf3 e6 4.Nc3 cxd4 5.Nxd4 Nc6 6.Nc2 a6 7.a3 Qc7 8.e4 Na5
9.Ne3 Bc5 10.b4 Bxe3 11.Bxe3 Nxc4 12.Bxc4 Qxc4 13.Rc1 O-O 14.f3 b5 15.Ne2 
Qa2 16.Qd3 e5 17.Bc5 d6 18.Qxd6 Be6 19.Qxe5 Bc4 20.Rxc4 Rfe8 21.Qc3 bxc4 
22.Nc1 Qxg2 23.Rg1 Nxe4 24.Rxg2 Nxc3+ 25.Kd2 Nb1+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "18"]
[White "Bielicki, Carlos"]
[Black "Iglesias, Alfredo"]
[Result "1-0"]
[ECO "D15"]
[EventDate "1966.04.19"]
[PlyCount "65"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 Nbd7 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 g6 8.Bc4
Bg7 9.Bxf7+ Kxf7 10.Ng5+ Ke8 11.Qb3 e6 12.Nxe6 Qe7 13.Ba3 c5 14.O-O Nb8 
15.Nxg7+ Qxg7 16.Bxc5 Qf7 17.d5 b6 18.Bd4 Rf8 19.Rfe1 Bb7 20.c4 Nd7 21.f3 
Qe7 22.a4 Nc5 23.Qe3 Ba6 24.a5 Kf7 25.Rec1 Rfc8 26.e5 Kg8 27.e6 Qd6 28.Bb2
Kf8 29.Qh6+ Ke8 30.Qxh7 Qf8 31.Qxg6+ Kd8 32.d6 Rc7 33.e7+ 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "18"]
[White "Calero, Carlos"]
[Black "Ortega, Rogelio"]
[Result "1/2-1/2"]
[ECO "E11"]
[EventDate "1966.04.19"]
[PlyCount "124"]

1.d4 Nf6 2.Nf3 e6 3.c4 Bb4+ 4.Bd2 Be7 5.Nc3 c5 6.g3 cxd4 7.Nxd4 Nc6 8.Nxc6
dxc6 9.Bg2 e5 10.Qc2 O-O 11.O-O Be6 12.b3 Qc8 13.Bg5 h6 14.Bxf6 Bxf6 15.
Ne4 Be7 16.Rad1 Qc7 17.Nc3 f5 18.e3 Rf6 19.Bh3 Raf8 20.Kh1 Qc8 21.f4 e4 
22.Ne2 Qe8 23.Nd4 Bc8 24.c5 Qh5 25.Bg2 Rg6 26.Kg1 Rgf6 27.Rd2 Qg4 28.b4 h5
29.Qb3+ Kh8 30.Qd1 Qg6 31.Kh1 h4 32.g4 fxg4 33.Qc2 Qh6 34.Bxe4 Bd8 35.Rg1 
Bc7 36.Rdg2 g5 37.Rxg4 Bxg4 38.Rxg4 gxf4 39.Nf5 Rxf5 40.Bxf5 Qf6 41.e4 Rg8
42.Rxg8+ Kxg8 43.Kg2 Kf8 44.Qd2 Qg5+ 45.Kh3 Bd8 46.Qg2 Qf6 47.Qf3 Bc7 48.
Qh5 b6 49.cxb6 axb6 50.Qxh4 Qxh4+ 51.Kxh4 f3 52.Kh3 f2 53.Kg2 Bxh2 54.Kxf2
Bd6 55.a3 Be5 56.Bd7 Bb2 57.a4 Bc3 58.Ke3 Bxb4 59.Bxc6 Bc5+ 60.Kf4 Ke7 61.
e5 Bg1 62.Kf5 Bf2 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "18"]
[White "Cuartas, Carlos Enrique"]
[Black "Santa Cruz, Hugo"]
[Result "0-1"]
[ECO "E00"]
[EventDate "1966.04.19"]
[PlyCount "90"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.g3 dxc4 5.Qa4+ Bd7 6.Qxc4 Bc6 7.Bg2 Nbd7 8.Nc3
Nb6 9.Qd3 Bb4 10.O-O O-O 11.a3 Bxc3 12.Qxc3 Be4 13.Ne1 Bxg2 14.Nxg2 Qd7 
15.b3 Rad8 16.Bb2 Nfd5 17.Qc5 f5 18.a4 Rf6 19.Rae1 Nc8 20.e4 fxe4 21.Rxe4 
Nd6 22.Re2 b6 23.Qc2 Rdf8 24.Rfe1 Qf7 25.Ba3 a5 26.Rf1 Rf3 27.Bxd6 cxd6 
28.Qc6 Rxb3 29.Qxd6 Rb4 30.Rd1 Nc3 31.Rc2 Nxd1 32.Nf4 Rb1 33.Kg2 Nxf2 34.
Kxf2 g5 35.Rc7 Qf6 36.Qd7 Rf7 37.Rc8+ Kg7 38.Qe8 gxf4 39.Kg2 f3+ 40.Kh3 
Qh6+ 41.Kg4 Qg6+ 42.Kh4 Rf4+ 43.gxf4 Qxe8 44.Rxe8 f2 45.Kg5 Rg1+ 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "18"]
[White "Fuster, Geza"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "A48"]
[EventDate "1966.04.19"]
[PlyCount "186"]

1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.Nbd2 O-O 5.e3 d6 6.Bc4 c6 7.Bb3 Qc7 8.O-O 
Nbd7 9.Bh4 b5 10.h3 a5 11.a3 Ba6 12.Re1 c5 13.c3 a4 14.Bc2 Rfc8 15.Bg3 Nb6
16.dxc5 Qxc5 17.Bh4 Qc7 18.Bd3 Nc4 19.Bxc4 bxc4 20.Qxa4 Bb7 21.Qc2 Rab8 
22.e4 Ba8 23.Rab1 Rb6 24.e5 dxe5 25.Nxe5 Bd5 26.Bg3 Qb7 27.f3 Be6 28.Bf2 
Bf5 29.Ne4 Rb5 30.Ng4 Nxe4 31.fxe4 Be6 32.Bd4 f6 33.Nf2 Rb8 34.Re2 Rb3 35.
Bc5 Rb5 36.Bb4 Bh6 37.Rd1 Qc7 38.Nh1 R5b7 39.Ree1 Qf4 40.Qf2 Qg5 41.Kf1 
Qe5 42.Qf3 Bf4 43.Re2 Kf7 44.Rd4 Qg5 45.Nf2 Be5 46.Rdd2 h5 47.Nd1 Rd7 48.
Ne3 Rbd8 49.Nd5 Ke8 50.Ba5 Rb8 51.Bb4 Bf7 52.Qe3 Qxe3 53.Nxe3 Rbd8 54.Rxd7
Rxd7 55.Kf2 h4 56.Kf3 Rd3 57.Rc2 f5 58.Ke2 fxe4 59.a4 Kd7 60.a5 Bf4 61.Bc5
Kc6 62.Bb6 g5 63.Ng4 Bh5 64.Kf2 Kb5 65.Ne3 e5 66.Ng4 Bxg4 67.hxg4 e3+ 68.
Kf3 e4+ 69.Ke2 Ka6 70.Ke1 Kb7 71.Ke2 Ka6 72.Ke1 Bg3+ 73.Ke2 Bf2 74.Bc7 Kb5
75.Bb6 Ka6 76.Bc7 Bg3 77.Bxg3 hxg3 78.Rc1 Kxa5 79.Ra1+ Kb5 80.Ra8 Rd2+ 81.
Kxe3 Rxg2 82.Ra1 Rxb2 83.Kxe4 g2 84.Rg1 Ka4 85.Kf5 Rb5+ 86.Ke6 Kb3 87.Rxg2
Kxc3 88.Rf2 Kd4 89.Rf5 Rxf5 90.gxf5 c3 91.f6 c2 92.f7 c1=Q 93.f8=Q Qc6+ 
0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "18"]
[White "Gadia, Olicio"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "0-1"]
[ECO "A25"]
[EventDate "1966.04.19"]
[PlyCount "84"]

1.c4 e5 2.g3 Nc6 3.Bg2 g6 4.Nc3 Bg7 5.e3 Nge7 6.Nge2 O-O 7.O-O d6 8.d3 Nf5
9.Rb1 a5 10.a3 h5 11.b4 axb4 12.axb4 h4 13.b5 Nce7 14.Qb3 hxg3 15.hxg3 Nh6
16.b6 c6 17.d4 f5 18.dxe5 dxe5 19.Rd1 Qe8 20.Ba3 e4 21.Nf4 Kh7 22.Rd6 Nf7 
23.Re6 Bxe6 24.Nxe6 Ne5 25.Nxg7 Kxg7 26.Bb2 Ng8 27.Bxe4 fxe4 28.Nxe4 Nh6 
29.f4 Ng4 30.fxe5 Qe6 31.Qc3 Rf3 32.Rf1 Rxf1+ 33.Kxf1 Qf5+ 34.Ke2 Qxe4 35.
e6+ Kh6 36.Qg7+ Kh5 37.Qh7+ Nh6 38.e7 Qxc4+ 39.Kf3 Qf7+ 40.Qxf7 Nxf7 41.
Bf6 g5 42.Ke4 Kg6 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "18"]
[White "Garcia Martinez, Silvino"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "B32"]
[EventDate "1966.04.19"]
[PlyCount "161"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nb5 Qb8 6.c4 Nf6 7.N5c3 e6 8.Be3 
b6 9.Be2 Bc5 10.Qd2 Bb7 11.O-O O-O 12.f4 d6 13.a3 a5 14.Bf3 e5 15.Kh1 exf4
16.Bxf4 Ne5 17.Qe2 Re8 18.Nd2 Bd4 19.Nb5 Bc5 20.Nc3 a4 21.Bg5 Re6 22.Nd5 
Nfd7 23.Rac1 Bd4 24.Rc2 h6 25.Bh4 Ng6 26.Bh5 Nde5 27.Bg3 Qd8 28.Nf3 Nxf3 
29.Qxf3 Bf6 30.Qg4 Bxd5 31.exd5 Re3 32.Bxg6 fxg6 33.Bf4 Re4 34.Qxg6 Qe8 
35.Qxe8+ Raxe8 36.Bxd6 Rc8 37.c5 bxc5 38.Rxc5 Rce8 39.Bc7 Bxb2 40.d6 Rd4 
41.Ra5 Rf8 42.Kg1 Bxa3 43.Rxf8+ Kxf8 44.Bb6 Rd1+ 45.Kf2 Bxd6 46.Rxa4 Bxh2 
47.Ra8+ Kf7 48.Ra7+ Kg6 49.Ke2 Rd5 50.Bc7 Bg1 51.Ra5 Rd7 52.Bf4 Bd4 53.Kf3
Bf6 54.Be3 Rd3 55.Ke4 Rb3 56.Bf4 Bh4 57.Be5 Bf2 58.Ra6+ Kh7 59.Bf4 Bb6 60.
Be5 h5 61.Bf4 Rb4+ 62.Kf3 Bd4 63.Ra5 g6 64.Rd5 Bf6 65.Rd7+ Kg8 66.Rd5 Be7 
67.Bg5 Bf8 68.Re5 Kf7 69.Re4 Rb3+ 70.Re3 Rb5 71.Bf4 Rf5 72.g4 Rf6 73.Ke4 
Re6+ 74.Kf3 h4 75.Rxe6 Kxe6 76.Bg5 Be7 77.Bxe7 Kxe7 78.g5 Ke6 79.Kg4 Ke5 
80.Kxh4 Kf5 81.Kh3 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "18"]
[White "Martinez Vaca, Gustavo"]
[Black "Roux-Cabral, Luis"]
[Result "1/2-1/2"]
[ECO "C50"]
[EventDate "1966.04.19"]
[PlyCount "41"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bc4 Bc5 5.O-O O-O 6.a3 a6 7.d3 h6 8.Ne2 d6 
9.Ng3 Ne7 10.h3 Ng6 11.c3 c6 12.d4 Bb6 13.Bd3 Bc7 14.Qc2 Re8 15.Re1 Bd7 
16.Be3 Nf8 17.Rad1 Qe7 18.b4 b5 19.Bc1 Ng6 20.Nf5 Qf8 21.Ng3 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "18"]
[White "Yepez Obando, Olavo"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "D86"]
[EventDate "1966.04.19"]
[PlyCount "85"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.d4 g6 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 c5 8.Ne2 
Nc6 9.Be3 cxd4 10.cxd4 b5 11.Bb3 O-O 12.O-O Na5 13.Bd5 Rb8 14.Bf4 Rb6 15.
Rc1 Nc4 16.Bxc4 bxc4 17.Rxc4 Ba6 18.Bc7 Qd7 19.Rc2 Rc6 20.Bg3 Rxc2 21.Qxc2
Rc8 22.Qd2 Qa4 23.Rc1 Rxc1+ 24.Nxc1 Qxd4 25.Qxd4 Bxd4 26.Nb3 Bb6 27.Bf4 
Bc4 28.Bd2 Kf8 29.g3 Bd3 30.e5 Ke8 31.Kg2 Kd7 32.Bb4 Bc4 33.Kf3 Ke6 34.Bc3
Kd5 35.Bb4 Bxb3 36.axb3 e6 37.Bd6 f6 38.Ke2 fxe5 39.Ba3 e4 40.Bc1 Kd4 41.
Bb2+ Kc5 42.Bc3 Kb5 43.Bd2 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "19"]
[White "Cobo Arteaga, Eldis"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "1-0"]
[ECO "A90"]
[EventDate "1966.04.19"]
[PlyCount "87"]

1.c4 f5 2.g3 e6 3.Bg2 Nf6 4.d4 d5 5.Nh3 c6 6.Qc2 Be7 7.O-O O-O 8.Nd2 Qe8 
9.b3 Bd6 10.Nf3 Nbd7 11.Bf4 Qe7 12.Bxd6 Qxd6 13.Nf4 Ne4 14.c5 Qe7 15.Nd3 
g5 16.b4 g4 17.Nfe5 Ng5 18.Qc3 Nf6 19.Nf4 Qg7 20.Qe3 Re8 21.a4 a6 22.Rab1 
Bd7 23.f3 gxf3 24.exf3 Re7 25.Rfe1 Be8 26.Rb2 Nd7 27.h4 Nxe5 28.Qxe5 Nf7 
29.Qxg7+ Kxg7 30.Rxe6 Rxe6 31.Nxe6+ Kf6 32.Nf4 Bd7 33.Bf1 Nd8 34.Kf2 Ne6 
35.Nxe6 Kxe6 36.Ke3 Kf6 37.Kf4 Rg8 38.Bd3 h6 39.Re2 Ra8 40.a5 Rf8 41.Re5 
Kg6 42.g4 h5 43.Re7 Bc8 44.g5 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "19"]
[White "Cuellar Gacharna, Miguel"]
[Black "Arraya, Jorge"]
[Result "1-0"]
[ECO "E62"]
[EventDate "1966.04.19"]
[PlyCount "71"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.Nf3 Nf6 5.g3 Nbd7 6.Bg2 c5 7.d5 O-O 8.O-O a6 
9.a4 Rb8 10.Qc2 e5 11.dxe6 fxe6 12.Bf4 Qc7 13.Rfd1 Ne5 14.Bxe5 dxe5 15.Ng5
b6 16.e3 Bd7 17.Rd2 Rbd8 18.Rad1 Bc8 19.Bh3 Rxd2 20.Qxd2 h6 21.Bxe6+ Kh8 
22.Bxc8 Qxc8 23.Nge4 Nh5 24.Qd7 Qa8 25.Rd6 Nf6 26.Qc6 Qxc6 27.Rxc6 Nxe4 
28.Nxe4 Rb8 29.Rxg6 b5 30.cxb5 axb5 31.Nxc5 bxa4 32.Nxa4 Rb4 33.Ra6 e4 34.
Nc5 Bxb2 35.Rxh6+ Kg7 36.Re6 1-0

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "19"]
[White "Iglesias, Alfredo"]
[Black "Calero, Carlos"]
[Result "1/2-1/2"]
[ECO "A25"]
[EventDate "1966.04.19"]
[PlyCount "120"]

1.c4 g6 2.g3 Bg7 3.Bg2 e5 4.Nc3 Nc6 5.e3 d6 6.Nge2 Bg4 7.Qa4 Bd7 8.Qb3 Qc8
9.Nd5 Nh6 10.Nec3 a6 11.Ne4 Ne7 12.Nb6 Qd8 13.Nxa8 Qxa8 14.d4 O-O 15.O-O 
Qb8 16.Bd2 f5 17.Ng5 e4 18.c5+ d5 19.f3 Bf6 20.Nh3 c6 21.fxe4 fxe4 22.Nf4 
Kg7 23.h3 Nhf5 24.Be1 h5 25.Rd1 Bc8 26.Rd2 Qc7 27.g4 hxg4 28.hxg4 Nh6 29.
Bh3 Bg5 30.Bg3 Qd7 31.Rdf2 Rh8 32.Ng2 Re8 33.Be5+ Kg8 34.Bf4 Nf7 35.Bg3 
Rf8 36.Bf4 Re8 37.Bg3 Rf8 38.Qd1 Qd8 39.Qe1 Be6 40.Bd6 Qd7 41.Qe2 Re8 42.
Bg3 Nh6 43.Bf4 Bxf4 44.Rxf4 g5 45.Rf6 Kg7 46.Qf2 Neg8 47.Rf8 Re7 48.Rb8 
Qc7 49.Qf8+ Kh7 50.Re8 Rxe8 51.Qxe8 Bf7 52.Qf8 Be6 53.Qd6 Qxd6 54.cxd6 Kg7
55.Kh2 Nf7 56.Kg3 Nxd6 57.Ne1 Nf6 58.Nc2 Nf7 59.b4 Nh6 60.a4 Bd7 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "19"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Martinez Vaca, Gustavo"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1966.04.19"]
[PlyCount "35"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Nbd7 7.e5 Ne8 8.Re1 c6
9.Bf4 f6 10.exd6 exd6 11.h4 a6 12.a4 Kh8 13.a5 b5 14.axb6 Nxb6 15.Qd2 d5 
16.Na4 Nxa4 17.Rxa4 Nd6 18.Bd3 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "19"]
[White "Letelier Martner, Rene"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1966.04.19"]
[PlyCount "86"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 Nf6 5.f3 c6 6.Qd2 Nbd7 7.Nh3 a6 8.Nf2 b5 
9.g4 h5 10.g5 Nh7 11.a4 Bb7 12.a5 O-O 13.h4 Qc7 14.Bh3 e6 15.Ne2 c5 16.c3 
Rac8 17.Nd3 Rfd8 18.b4 Nhf8 19.Rc1 Qb8 20.O-O cxd4 21.cxd4 Rc4 22.Nb2 Rxc1
23.Rxc1 Rc8 24.Rxc8 Qxc8 25.Qc1 Qxc1+ 26.Bxc1 Nb8 27.Nd3 Nc6 28.Bb2 Nb8 
29.Kf2 Nfd7 30.Ke3 Kf8 31.Bc3 Ke8 32.Ndf4 Nf8 33.Nd3 Nfd7 34.Ndf4 Nf8 35.
d5 Bxc3 36.Nxc3 e5 37.Nd3 Ke7 38.Ne2 Nbd7 39.f4 Kd8 40.Ng1 Bc8 41.fxe5 
Nxe5 42.Bxc8 Kxc8 43.Nf3 Nfd7 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "19"]
[White "Ortega, Rogelio"]
[Black "Gadia, Olicio"]
[Result "1/2-1/2"]
[ECO "B06"]
[EventDate "1966.04.19"]
[PlyCount "20"]

1.e4 d6 2.Bc4 g6 3.d4 Bg7 4.Nc3 Nc6 5.Be3 e5 6.Nge2 Nf6 7.f3 exd4 8.Nxd4 
O-O 9.Qd2 a6 10.Nde2 Ne5 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "19"]
[White "Rodriguez Gonzales, Jesus"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "A34"]
[EventDate "1966.04.19"]
[PlyCount "38"]

1.c4 c5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.a3 Nc6 6.Rb1 a5 7.Nf3 d5 8.d4 O-O 9.
Bf4 cxd4 10.Nxd4 Nxd4 11.Qxd4 Ne4 12.Qxd5 Nxc3 13.bxc3 Bxc3+ 14.Bd2 Bxd2+ 
15.Qxd2 Qc7 16.O-O Rb8 17.Rfc1 Rd8 18.Qe3 b6 19.h4 Bf5 1/2-1/2

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "19"]
[White "Roux-Cabral, Luis"]
[Black "Fuster, Geza"]
[Result "0-1"]
[ECO "D02"]
[EventDate "1966.04.19"]
[PlyCount "78"]

1.d4 d5 2.Nf3 c6 3.c3 g6 4.Bf4 Nf6 5.Nbd2 Bg7 6.e3 Nbd7 7.Bd3 Nh5 8.Bg3 
Nxg3 9.hxg3 e5 10.dxe5 Nxe5 11.Nxe5 Bxe5 12.Nf3 Bg7 13.Qc2 Bd7 14.e4 dxe4 
15.Bxe4 Qa5 16.O-O O-O 17.Nd2 Rad8 18.Nb3 Qb6 19.Rad1 Be5 20.Qe2 Bxg3 21.
Rd3 Bb8 22.Rfd1 Be6 23.Rxd8 Rxd8 24.Rxd8+ Qxd8 25.g3 h5 26.Nd4 Bxa2 27.b3 
c5 28.Ne6 Qd6 29.Ng5 Bxb3 30.Qb5 Bd5 31.Qe8+ Kg7 32.f4 Bc7 33.Bg2 Be6 34.
Nxe6+ Qxe6 35.Qxe6 fxe6 36.Bxb7 e5 37.f5 gxf5 38.Bc8 Kf6 39.Kf2 Bd6 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "19"]
[White "Santa Cruz, Hugo"]
[Black "Bielicki, Carlos"]
[Result "0-1"]
[ECO "A02"]
[EventDate "1966.04.19"]
[PlyCount "120"]

1.f4 Nf6 2.Nf3 g6 3.b3 Bg7 4.Bb2 O-O 5.e3 c5 6.Bd3 Nc6 7.a3 d6 8.O-O e5 9.
fxe5 Ng4 10.Be2 Ngxe5 11.Nxe5 Nxe5 12.e4 Nf3+ 13.Bxf3 Bxb2 14.Ra2 Bd4+ 15.
Kh1 Be5 16.Qe1 Qg5 17.c4 Be6 18.Nc3 a6 19.Nd5 Bxd5 20.cxd5 Rae8 21.d3 f5 
22.Re2 fxe4 23.Rxe4 Rf4 24.Rxf4 Qxf4 25.g3 Qg5 26.Be4 Rf8 27.Rxf8+ Kxf8 
28.Kg2 Kg7 29.b4 Bd4 30.bxc5 Bxc5 31.Bf3 Qe3 32.Qxe3 Bxe3 33.Bg4 b5 34.Bc8
a5 35.Ba6 b4 36.axb4 axb4 37.Bc4 Kf6 38.Kf3 Bg1 39.Kg2 Bc5 40.Kf3 Ke5 41.
Ke2 Bg1 42.h3 Kd4 43.Kd2 Bh2 44.g4 g5 45.Kc2 Bg3 46.Kb3 Be1 47.Kc2 Ke3 48.
Bb5 Kf3 49.Be8 Kg3 50.d4 Kxh3 51.Bh5 Kg3 52.Kb3 Kf4 53.Kc4 Ke3 54.Bf7 Bc3 
55.Bh5 Kd2 56.Kb3 Kd3 57.Bf7 Kxd4 58.Be6 h5 59.gxh5 Ke4 60.h6 Kf3 0-1

[Event "5th Pan-American ch"]
[Site "Havana CUB"]
[Date "1966.??.??"]
[Round "19"]
[White "Schweber, Samuel"]
[Black "Cuartas, Carlos Enrique"]
[Result "1/2-1/2"]
[ECO "C70"]
[EventDate "1966.04.19"]
[PlyCount "25"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 f5 5.Bxc6 dxc6 6.Nxe5 Qd4 7.Nf3 Qxe4+ 8.
Qe2 Nf6 9.d3 Qxe2+ 10.Kxe2 Bd6 11.Re1 O-O 12.Kf1 Bd7 13.Nbd2 1/2-1/2

