[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "1"]
[White "Cobo Arteaga, Eldis"]
[Black "Rodriguez, Jose"]
[Result "1/2-1/2"]
[ECO "A81"]
[EventDate "1970.07.15"]
[PlyCount "49"]

1.d4 f5 2.g3 Nf6 3.Bg2 d6 4.Nf3 c6 5.O-O Qc7 6.Nc3 g6 7.d5 Bg7 8.Nd4 c5 9.
Ndb5 Qd8 10.a4 O-O 11.e4 a6 12.Na3 Nxe4 13.Nxe4 fxe4 14.Nc4 Nd7 15.Bxe4 
Ne5 16.Nxe5 Bxe5 17.c3 Bh3 18.Bg2 Qd7 19.f4 Bg7 20.Bxh3 Qxh3 21.Qe2 Rae8 
22.Re1 Qf5 23.Qe6+ Qxe6 24.Rxe6 Rf5 25.Re4 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "1"]
[White "Hook, William"]
[Black "Yabra, Federico"]
[Result "0-1"]
[ECO "A51"]
[EventDate "1970.07.15"]
[PlyCount "42"]

1.d4 Nf6 2.c4 e5 3.d5 Bc5 4.Nc3 e4 5.e3 d6 6.Qc2 Qe7 7.Nge2 Bf5 8.Ng3 Bg6 
9.Bd2 Nbd7 10.Nb5 Rc8 11.Bc3 O-O 12.Nd4 c6 13.Ndf5 Bxf5 14.Nxf5 Qe8 15.b4 
Bxb4 16.Bxb4 Qe5 17.Nd4 c5 18.Bc3 cxd4 19.exd4 Qe7 20.c5 dxc5 21.dxc5 Qxc5
0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "1"]
[White "Iglesias, Alfredo"]
[Black "Juarez, Carlos Eleodoro"]
[Result "0-1"]
[ECO "B40"]
[EventDate "1970.07.15"]
[PlyCount "148"]

1.e4 c5 2.Nc3 Nc6 3.Nf3 e6 4.g3 g6 5.Bg2 Bg7 6.O-O Nge7 7.Ne2 O-O 8.c3 d5 
9.d3 h6 10.Be3 b6 11.Qc2 Bb7 12.Rad1 Qc7 13.Bf4 e5 14.Bc1 Rad8 15.b4 cxb4 
16.cxb4 Rc8 17.Bh3 Nd4 18.Nexd4 Qxc2 19.Nxc2 Rxc2 20.Rd2 Rxd2 21.Nxd2 Ba6 
22.exd5 Nxd5 23.Nc4 Rd8 24.a3 e4 25.Bd2 exd3 26.Rc1 Bc8 27.Bxc8 Rxc8 28.
Kf1 b5 29.Ne3 Rxc1+ 30.Bxc1 Nxe3+ 31.Bxe3 a6 32.Ke1 Bc3+ 33.Kd1 h5 34.Bd2 
Bd4 35.Be3 Bc3 36.Bd2 Bb2 37.Bc1 Ba1 38.Be3 Bb2 39.Kd2 f5 40.Kxd3 Kf7 41.
Kc2 Be5 42.Kd3 Ke6 43.Bd4 Bd6 44.f4 Kd5 45.Be3 Be7 46.h4 Bf6 47.Bb6 Bb2 
48.Kc2 Ba1 49.Kd3 Bf6 50.Be3 Bb2 51.Bd2 Bd4 52.Be1 Bb6 53.Bc3 Bf2 54.Bf6 
Bxg3 55.Bg5 Bf2 56.Bf6 Bb6 57.Bc3 Bd8 58.Be1 Bf6 59.Bf2 Bb2 60.Be1 Bc1 61.
Bg3 Bxa3 62.Be1 Bb2 63.Bg3 Bd4 64.Be1 Bb6 65.Bc3 Bf2 66.Bf6 Be1 67.Be7 a5 
68.bxa5 Bxa5 69.Bf6 Be1 70.Be7 Bg3 71.Bg5 b4 72.Ke3 b3 73.Kd3 b2 74.Kc2 
Ke4 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "1"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Yepez, Trotzky"]
[Result "1-0"]
[ECO "E88"]
[EventDate "1970.07.15"]
[PlyCount "45"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 c6 7.Qd2 e5 8.d5 cxd5 9.
cxd5 a6 10.Bd3 Nbd7 11.Nge2 Ne8 12.g4 Nc5 13.Bc2 b5 14.Ng3 a5 15.h4 b4 16.
Na4 Nxa4 17.Bxa4 Bd7 18.Bxd7 Qxd7 19.h5 Nc7 20.Bh6 Nb5 21.Bxg7 Kxg7 22.
Nf5+ gxf5 23.Qg5+ 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "1"]
[White "Perez, Francisco Jose"]
[Black "Garcia Martinez, Silvino"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1970.07.15"]
[PlyCount "88"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7 7.O-O e5 8.dxe5 
dxe5 9.Qc2 c6 10.e4 Re8 11.b3 Bf8 12.Bb2 Qc7 13.Na4 b6 14.h3 Bb7 15.Rad1 
Rac8 16.Nc3 a6 17.Qe2 b5 18.Ne1 Nb6 19.cxb5 axb5 20.a3 Ra8 21.Ra1 Ba6 22.
Nd3 Nh5 23.Qc2 Rac8 24.Rfe1 Bd6 25.Ne2 c5 26.Rec1 Qa7 27.Qd1 Rcd8 28.Qc2 
Rc8 29.Qd1 Qe7 30.Nc3 Ng7 31.Nd5 Nxd5 32.exd5 Nf5 33.Be4 Nd4 34.Bxd4 exd4 
35.Bg2 Bb7 36.Qd2 Qe2 37.Qxe2 Rxe2 38.Re1 Rxe1+ 39.Rxe1 c4 40.bxc4 bxc4 
41.Nb4 Bxb4 42.axb4 d3 43.d6 d2 44.Rd1 c3 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "1"]
[White "Ramirez, Percy"]
[Black "Moraza Choisme, Manuel"]
[Result "1-0"]
[ECO "B22"]
[EventDate "1970.07.15"]
[PlyCount "55"]

1.e4 c5 2.Nf3 Nc6 3.c3 d5 4.exd5 Qxd5 5.d4 Bg4 6.Be2 cxd4 7.cxd4 e6 8.Nc3 
Qd7 9.Be3 Nf6 10.h3 Bh5 11.O-O Be7 12.Ne5 Bxe2 13.Qxe2 Nxe5 14.dxe5 Nd5 
15.Rfd1 Nxc3 16.bxc3 Qc6 17.Qg4 g6 18.Bh6 Rd8 19.Rxd8+ Kxd8 20.Qf4 Kc8 21.
Qxf7 Bc5 22.Rd1 Qb6 23.Bg7 Rd8 24.Rxd8+ Qxd8 25.Qxe6+ Kb8 26.Qf6 Qd1+ 27.
Kh2 a6 28.Bf8 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "1"]
[White "Rodriguez Vargas, Orestes"]
[Black "Lamas Baliero, Pedro"]
[Result "1-0"]
[ECO "B33"]
[EventDate "1970.07.15"]
[PlyCount "69"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
Be6 9.Nc4 Rc8 10.Bxf6 gxf6 11.Nd5 Bxd5 12.Qxd5 b5 13.Ne3 Nd4 14.c3 Qa5 15.
Bc4 Qc7 16.Bb3 Ne6 17.O-O Rg8 18.Kh1 Nf4 19.Qd1 Qd7 20.a4 Rg6 21.axb5 Nxg2
22.Nxg2 Qh3 23.Rg1 Rh6 24.Nh4 Rxh4 25.Rg2 axb5 26.Qd5 Qd7 27.Ra8 Rxa8 28.
Qxa8+ Qd8 29.Bxf7+ Ke7 30.Qd5 Qd7 31.Bg8 Kd8 32.Be6 Qe8 33.Bf5 Qh5 34.Qa8+
Kc7 35.Qa7+ 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "1"]
[White "Silva Sanchez, Carlos"]
[Black "Hernandez Onna, Roman"]
[Result "0-1"]
[ECO "B80"]
[EventDate "1970.07.15"]
[PlyCount "60"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Qc7 6.g3 a6 7.Bg2 Nf6 8.O-O d6
9.b3 Be7 10.Bb2 Bd7 11.Re1 O-O 12.Re2 Rfd8 13.Rd2 Rac8 14.Nde2 Be8 15.h3 
h6 16.Qe1 b5 17.a3 Qb6 18.Nf4 Ne5 19.Nd3 Nxd3 20.Rxd3 a5 21.Rd2 Nd7 22.Nd1
Bg5 23.Re2 Rc7 24.Bc3 Ra8 25.Ne3 Rxc3 26.Qxc3 Bf6 27.e5 Nxe5 28.Qe1 Bc6 
29.Rd1 Bxg2 30.Kxg2 Qc6+ 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "1"]
[White "Villarroel, Geber"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "C03"]
[EventDate "1970.07.15"]
[PlyCount "43"]

1.e4 e6 2.d4 d5 3.Nd2 Be7 4.Ngf3 dxe4 5.Nxe4 Nf6 6.Bd3 Nc6 7.c3 h6 8.O-O 
Bd7 9.Qe2 Qc8 10.Re1 Nxe4 11.Bxe4 Nd8 12.Ne5 Bf6 13.Bf4 Bxe5 14.Bxe5 O-O 
15.Bxg7 Kxg7 16.Qg4+ Kf6 17.Qh4+ Kg7 18.Re3 f5 19.Rg3+ Kh7 20.Re1 e5 21.
Qg4 Ne6 22.Qg6+ 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "2"]
[White "Garcia Martinez, Silvino"]
[Black "Silva Sanchez, Carlos"]
[Result "1/2-1/2"]
[ECO "A56"]
[EventDate "1970.07.15"]
[PlyCount "44"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Be7 6.Bd3 Nbd7 7.Nf3 O-O 8.h3 Nh5 
9.Ne2 g6 10.g4 Ng7 11.Ng3 Nf6 12.Bh6 Bd7 13.Qc2 b5 14.cxb5 Bxb5 15.Bxb5 
Qa5+ 16.Nd2 Qxb5 17.Nc4 Rfd8 18.f3 Nd7 19.h4 Nb6 20.Ne3 Bf8 21.Bg5 Rd7 22.
h5 Ne8 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "2"]
[White "Hernandez Onna, Roman"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[ECO "E12"]
[EventDate "1970.07.15"]
[PlyCount "60"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.a3 d5 6.Bg5 Be7 7.cxd5 exd5 8.e3 O-O
9.Bd3 h6 10.Bh4 Nbd7 11.O-O Ne4 12.Bxe7 Qxe7 13.Rc1 c5 14.dxc5 Nxc3 15.
Rxc3 bxc5 16.Bf5 Nb6 17.Qc2 Nc4 18.Bd3 Rfd8 19.Bxc4 dxc4 20.Nd2 Qd7 21.Ne4
Qf5 22.Ng3 Qxc2 23.Rxc2 Rab8 24.Rfc1 Bd5 25.e4 Be6 26.Ne2 c3 27.Nxc3 Bb3 
28.Re2 Bc4 29.Rec2 Bb3 30.Re2 Bc4 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "2"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Ramirez, Percy"]
[Result "1/2-1/2"]
[ECO "D18"]
[EventDate "1970.07.15"]
[PlyCount "66"]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bd6 8.Qe2 Ne4
9.O-O Nd7 10.Bd3 Ndf6 11.Qc2 Nxc3 12.bxc3 Bxd3 13.Qxd3 O-O 14.e4 Nd7 15.e5
Be7 16.Qe4 Re8 17.a5 Qc7 18.Bg5 c5 19.Bxe7 Rxe7 20.a6 Rb8 21.axb7 Qxb7 22.
Qh4 Nf8 23.dxc5 Rc7 24.Qd4 Rbc8 25.Ra5 Qd5 26.h3 Rxc5 27.Rxa7 Rxc3 28.Qxd5
exd5 29.Rd1 Rc1 30.Rxc1 Rxc1+ 31.Kh2 h6 32.Ra8 g6 33.Nd4 Re1 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "2"]
[White "Juarez, Carlos Eleodoro"]
[Black "Villarroel, Geber"]
[Result "1-0"]
[ECO "C55"]
[EventDate "1970.07.15"]
[PlyCount "105"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5 d5 6.Bb5 Ne4 7.Nxd4 Bd7 8.Nxc6 
bxc6 9.Bd3 f5 10.exf6 Nxf6 11.O-O Be7 12.h3 O-O 13.Bg5 h6 14.Bh4 Rb8 15.b3
Bd6 16.Nd2 Qc8 17.Bg3 Bf5 18.Bxd6 cxd6 19.Nf3 Qd7 20.Nd4 Bxd3 21.Qxd3 Rbe8
22.Rae1 c5 23.Nf5 Re5 24.Rxe5 dxe5 25.Ng3 e4 26.Qa6 Rf7 27.Rd1 Qb7 28.Qe2 
Qc6 29.Re1 Re7 30.f3 Re8 31.fxe4 dxe4 32.Qc4+ Kh7 33.Re3 Re5 34.b4 Qd6 35.
b5 Qd4 36.Qc3 Qxc3 37.Rxc3 Rd5 38.a4 Kg6 39.Re3 Rd4 40.a5 h5 41.b6 axb6 
42.axb6 h4 43.b7 Rd1+ 44.Nf1 Rd8 45.Rb3 Nd7 46.Ne3 Kf6 47.Nc4 Ke6 48.Kf2 
Nb8 49.Ke3 Rd4 50.Rb6+ Kd5 51.Nd2 Ra4 52.c3 Ra1 53.Rg6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "2"]
[White "Lamas Baliero, Pedro"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "A42"]
[EventDate "1970.07.15"]
[PlyCount "80"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 e5 5.d5 f5 6.Bd3 Nf6 7.f3 O-O 8.Be3 a5 9.
Qd2 Na6 10.exf5 gxf5 11.O-O-O Qe7 12.Bg5 Nc5 13.Bc2 Bd7 14.Nge2 Qf7 15.Bh6
Kh8 16.h3 f4 17.Bxg7+ Qxg7 18.Rhg1 Nh5 19.Ne4 Nxe4 20.Bxe4 b6 21.Qc2 Rf7 
22.Kb1 Raf8 23.Ka1 Bf5 24.a3 Bxe4 25.Qxe4 Rf5 26.Qc2 Rg5 27.Nc3 Ng3 28.Qf2
Rg8 29.Rd2 Rg6 30.Ka2 Nf5 31.Ne4 Qh6 32.b4 axb4 33.axb4 Ne3 34.g4 fxg3 35.
Rxg3 Rxg3 36.Nxg3 Nxc4 37.Rc2 b5 38.Rc3 Qh4 39.Ne4 Qxh3 40.f4 Ra8+ 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "2"]
[White "Li Chen, Samuel"]
[Black "Hook, William"]
[Result "0-1"]
[ECO "E61"]
[EventDate "1970.07.15"]
[PlyCount "66"]

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.Nc3 O-O 5.e3 d6 6.Be2 Nbd7 7.O-O e5 8.Qc2 c6 
9.Rd1 Qe7 10.b3 Ne8 11.Ba3 f5 12.Rd2 e4 13.Ne1 Nef6 14.Rb1 Rf7 15.g3 g5 
16.Bf1 Nf8 17.Bg2 Ng6 18.Re2 Qe6 19.Rd1 d5 20.cxd5 cxd5 21.Bc1 Bd7 22.a4 
Bf8 23.Na2 Bd6 24.Qb2 Rc8 25.f4 exf3 26.Nxf3 Ne4 27.Ne1 b5 28.a5 Be8 29.
Nd3 h5 30.Ree1 Rfc7 31.Qb1 h4 32.b4 hxg3 33.Nc5 gxh2+ 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "2"]
[White "Moraza Choisme, Manuel"]
[Black "Iglesias, Alfredo"]
[Result "1-0"]
[ECO "C41"]
[EventDate "1970.07.15"]
[PlyCount "95"]

1.e4 d6 2.d4 e5 3.Nf3 Nd7 4.Bc4 Be7 5.dxe5 Nxe5 6.Nxe5 dxe5 7.Qh5 g6 8.
Qxe5 Nf6 9.Bh6 Qd6 10.Qxd6 cxd6 11.Nc3 Be6 12.Bb5+ Nd7 13.O-O-O O-O-O 14.
Nd5 Bxd5 15.Bxd7+ Rxd7 16.Rxd5 Re8 17.f3 Bf6 18.Bf4 Be5 19.Bxe5 dxe5 20.
Rhd1 Rxd5 21.Rxd5 f5 22.Kd2 Kc7 23.c4 f4 24.Kc3 g5 25.h3 h5 26.c5 g4 27.
hxg4 hxg4 28.b4 g3 29.Kc4 Re6 30.Rd6 Rxd6 31.cxd6+ Kxd6 32.Kb5 b6 33.Ka6 
Kc6 34.b5+ Kc5 35.a4 Kd4 36.Kxa7 Ke3 37.a5 Kf2 38.axb6 Kxg2 39.b7 Kxf3 40.
b8=Q Kg2 41.Qxe5 f3 42.b6 f2 43.b7 f1=Q 44.b8=Q Qf2+ 45.Qb6 Qa2+ 46.Kb7 
Qf7+ 47.Qec7 Qg8 48.Qc2+ 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "2"]
[White "Yabra, Federico"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "A48"]
[EventDate "1970.07.15"]
[PlyCount "71"]

1.Nf3 Nf6 2.d4 g6 3.Nbd2 Bg7 4.e4 d6 5.Bd3 O-O 6.O-O Nc6 7.c3 e5 8.dxe5 
dxe5 9.Nc4 Bg4 10.Bg5 h6 11.Bh4 g5 12.Bg3 Nh5 13.h3 Nxg3 14.fxg3 Be6 15.
Ne3 Qe7 16.Qe2 Rad8 17.Kh1 Rd7 18.Nh2 Rfd8 19.Rad1 Bxa2 20.Nd5 Bxd5 21.
exd5 Rxd5 22.Qe4 R8d6 23.Ng4 Qd7 24.Qh7+ Kf8 25.Rf3 e4 26.Qxe4 Ne5 27.Nxe5
Bxe5 28.Rdf1 f6 29.Bc4 Rc5 30.Bb3 Qg7 31.Qxb7 Qd7 32.Qxa7 Qb5 33.Ba4 Ra6 
34.Rxf6+ Bxf6 35.Rxf6+ Kg7 36.Qxa6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "2"]
[White "Yepez, Trotzky"]
[Black "Rodriguez, Jose"]
[Result "1/2-1/2"]
[ECO "A94"]
[EventDate "1970.07.15"]
[PlyCount "51"]

1.d4 e6 2.c4 f5 3.g3 Nf6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6 8.Ba3 b6 9.
Bxe7 Qxe7 10.Ne5 Bb7 11.Nd2 Nbd7 12.Nxd7 Nxd7 13.e3 Rac8 14.Rc1 c5 15.Qe2 
Nf6 16.Rfd1 Ne4 17.f3 Nxd2 18.Qxd2 dxc4 19.Rxc4 Bd5 20.Rcc1 cxd4 21.Rxc8 
Rxc8 22.Qxd4 Bb7 23.Qd7 Qxd7 24.Rxd7 Rc1+ 25.Kf2 Rc2+ 26.Kg1 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "3"]
[White "Cobo Arteaga, Eldis"]
[Black "Hernandez Onna, Roman"]
[Result "1/2-1/2"]
[ECO "D13"]
[EventDate "1970.07.15"]
[PlyCount "37"]

1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Nf3 Nf6 5.Nc3 Nc6 6.Bf4 e6 7.e3 Bd6 8.Bxd6 
Qxd6 9.Bd3 O-O 10.O-O Bd7 11.Qd2 a6 12.e4 dxe4 13.Nxe4 Nxe4 14.Bxe4 Rad8 
15.Rad1 f5 16.Bc2 Qb4 17.Qxb4 Nxb4 18.Bb3 Bc8 19.Rfe1 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "3"]
[White "Hook, William"]
[Black "Juarez, Carlos Eleodoro"]
[Result "1-0"]
[ECO "D55"]
[EventDate "1970.07.15"]
[PlyCount "80"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bg5 h6 6.Bxf6 Bxf6 7.e3 O-O 8.Qb3 c6
9.Be2 Qb6 10.Qxb6 axb6 11.O-O Nd7 12.Rfd1 dxc4 13.Bxc4 b5 14.Bb3 Nb6 15.
Ne5 Rd8 16.Ne4 Be7 17.Rac1 Nd5 18.Nc5 Nb6 19.f4 Na4 20.f5 Nxc5 21.dxc5 
Rxd1+ 22.Rxd1 Bg5 23.Kf2 Bf6 24.Nd7 Bxd7 25.Rxd7 exf5 26.Rxf7 Bxb2 27.
Rxb7+ Kh8 28.Rb6 Rc8 29.Be6 Rc7 30.Bxf5 g5 31.Be4 Re7 32.Bxc6 Ba3 33.Rxb5 
Re5 34.e4 Bxc5+ 35.Ke2 Kg7 36.Kd3 Kf6 37.Kc4 Bg1 38.Rxe5 Kxe5 39.h3 Ba7 
40.Kb5 Kd6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "3"]
[White "Iglesias, Alfredo"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "D85"]
[EventDate "1970.07.15"]
[PlyCount "74"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Nf3 c5 8.Bd3 
O-O 9.Be3 Nc6 10.e5 cxd4 11.cxd4 Qa5+ 12.Qd2 Qxd2+ 13.Kxd2 Rd8 14.h3 Be6 
15.Rhb1 Rd7 16.a4 f6 17.Rb5 fxe5 18.Ng5 exd4 19.Bf4 Bf7 20.Nxf7 Kxf7 21.
Rab1 e5 22.Rxb7 Rd8 23.Bg5 Bf6 24.Bxf6 Kxf6 25.Be4 Na5 26.Rxd7 Rxd7 27.Rb4
Ke6 28.Bf3 Rc7 29.Bd1 Nc4+ 30.Kd3 Nd6 31.Bg4+ Kd5 32.Bf3+ Ke6 33.Bg4+ Kf6 
34.Rb3 Nb7 35.Ra3 Nc5+ 36.Kc4 Nxa4+ 37.Kd5 Nc3+ 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "3"]
[White "Perez, Francisco Jose"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "D45"]
[EventDate "1970.07.15"]
[PlyCount "113"]

1.c4 c6 2.d4 d5 3.e3 Nf6 4.Nc3 e6 5.Nf3 Bb4 6.Bd2 Nbd7 7.Bd3 dxc4 8.Bxc4 
Nd5 9.O-O N7f6 10.Nxd5 exd5 11.Bxb4 dxc4 12.Ne5 Be6 13.Qe2 Nd5 14.Ba3 Nb6 
15.Rfd1 Qc7 16.Bc5 Nd7 17.Nxc4 Nxc5 18.dxc5 O-O 19.Nd6 f5 20.b4 Rf6 21.a3 
Raf8 22.Rd4 Rh6 23.Rad1 Qe7 24.g3 g5 25.f4 Bd5 26.fxg5 Re6 27.Re1 Qxg5 28.
Rf4 b5 29.e4 Re5 30.Nxf5 h5 31.Qf2 Bc4 32.Nd6 Rd8 33.Rf5 Qe7 34.Rxe5 Qxe5 
35.Qf4 Qd4+ 36.Qe3 Qe5 37.Qf4 Qd4+ 38.Kg2 Rf8 39.Qg5+ Qg7 40.Qxg7+ Kxg7 
41.Nxc4 bxc4 42.Rc1 Rd8 43.Rxc4 Kf6 44.a4 Ke5 45.b5 Rf8 46.bxc6 Rc8 47.c7 
Rxc7 48.c6 Kd6 49.h3 a5 50.g4 h4 51.g5 Ke5 52.Kf3 Rf7+ 53.Kg4 Rc7 54.Kxh4 
Kf4 55.g6 Rc8 56.g7 Rg8 57.e5+ 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "3"]
[White "Ramirez, Percy"]
[Black "Yepez, Trotzky"]
[Result "0-1"]
[ECO "B35"]
[EventDate "1970.07.15"]
[PlyCount "124"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.Bb3 
d6 9.f3 Nd7 10.Qd2 Nb6 11.O-O-O Na5 12.Qd3 Nxb3+ 13.axb3 Bd7 14.Kb1 a5 15.
Ndb5 a4 16.Bxb6 Qxb6 17.bxa4 Rfc8 18.Nd5 Qd8 19.Qb3 Rc5 20.Rd3 Kf8 21.Rhd1
Qa5 22.Ndc3 Be6 23.Qa3 Bc4 24.b4 Rxb5 25.Nxb5 Qxa4 26.Qxa4 Rxa4 27.Nc3 
Rxb4+ 28.Kc1 Bh6+ 29.R3d2 Be6 30.g3 Bxd2+ 31.Kxd2 Rd4+ 32.Ke3 Rxd1 33.Nxd1
Bc4 34.Nf2 e5 35.f4 Ke7 36.Nd1 Kd7 37.Nb2 Ba6 38.Na4 Kc6 39.Nc3 Bc4 40.
fxe5 dxe5 41.Nd1 f5 42.h4 h5 43.Kf3 Kc5 44.Ne3 Be6 45.c3 b5 46.Kf2 Kd6 47.
Kf3 Ke7 48.Kg2 Kf6 49.Kf2 Bc4 50.Kf3 Ke6 51.Kf2 Bd3 52.exf5+ gxf5 53.Kf3 
Be4+ 54.Kf2 f4 55.gxf4 exf4 56.Nf1 Kf5 57.Nh2 Bd5 58.Ke2 Ke5 59.Kf2 Kf5 
60.Ke2 Ke4 61.Nf3 Bc4+ 62.Kf2 Kd3 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "3"]
[White "Rodriguez, Jose"]
[Black "Lamas Baliero, Pedro"]
[Result "0-1"]
[ECO "B30"]
[EventDate "1970.07.15"]
[PlyCount "84"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 Qc7 4.c4 d6 5.Nc3 e6 6.O-O Be7 7.d3 Nf6 8.h3 O-O 
9.Bf4 e5 10.Bxc6 bxc6 11.Be3 Be6 12.b3 h6 13.Qe2 Kh7 14.Nh2 Nd7 15.f4 f5 
16.exf5 Bxf5 17.g4 exf4 18.Bxf4 Bf6 19.Qd2 Bd4+ 20.Kg2 Bg6 21.Rae1 Qa5 22.
Ne4 Qxd2+ 23.Bxd2 d5 24.Nd6 Rxf1 25.Nxf1 Ne5 26.Nf5 Nxd3 27.Re7 Re8 28.
Rxe8 Bxe8 29.cxd5 cxd5 30.Nxd4 cxd4 31.Ng3 Bg6 32.Ne2 Nc5 33.Nxd4 Bb1 34.
a3 Ba2 35.b4 Nb3 36.Nf3 Bb1 37.Kf2 Be4 38.Be3 g5 39.Bxa7 d4 40.Ne5 d3 41.
Ke3 d2 42.Ke2 Bc2 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "3"]
[White "Rodriguez Vargas, Orestes"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "D87"]
[EventDate "1970.07.15"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2
c5 9.O-O Nc6 10.Be3 Na5 11.Bd3 b6 12.Qe1 Bb7 13.Rd1 Qc8 14.f4 Qe6 15.f5 
Qc8 16.Qh4 cxd4 17.Bxd4 e5 18.fxe6 Qxe6 19.Nf4 Qd6 20.Bc2 f6 21.Qg4 Rae8 
22.Nh3 Bc8 23.Qh4 Bxh3 24.Qxh3 Qe6 25.Qxe6+ Rxe6 26.a4 Rc6 27.Rf3 Rd8 28.
Bb1 h5 29.Rdf1 Nc4 30.Ba2 Kh7 31.R3f2 Re8 32.Bb1 Ne5 33.h3 Re7 34.Rd1 Rd7 
35.Rdf1 Re7 36.Ba2 Nd3 37.Re2 Ne5 38.Bd5 Rcc7 39.a5 bxa5 40.Ra1 Nc4 41.
Rea2 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "3"]
[White "Silva Sanchez, Carlos"]
[Black "Yabra, Federico"]
[Result "1-0"]
[ECO "D01"]
[EventDate "1970.07.15"]
[PlyCount "59"]

1.d4 Nf6 2.Nc3 d5 3.Bg5 Nbd7 4.Nf3 c6 5.Qd3 g6 6.e4 dxe4 7.Nxe4 Nxe4 8.
Qxe4 Bg7 9.Bd3 Nf6 10.Qh4 h6 11.Bxf6 Bxf6 12.Qf4 Qd6 13.Qe3 Be6 14.O-O 
O-O-O 15.Rfe1 g5 16.c3 Rhg8 17.Ne5 h5 18.Bc4 Bxc4 19.Nxc4 Qd5 20.Ne5 g4 
21.Qf4 Rg5 22.Re4 Bxe5 23.dxe5 Qd2 24.Qxf7 Qxb2 25.Rf1 Qa3 26.Qe6+ Kb8 27.
Rb4 Rg7 28.Rfb1 Qxc3 29.Rxb7+ Ka8 30.Qd7 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "3"]
[White "Villarroel, Geber"]
[Black "Moraza Choisme, Manuel"]
[Result "1/2-1/2"]
[ECO "B30"]
[EventDate "1970.07.15"]
[PlyCount "45"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O g6 6.d3 Bg7 7.Nbd2 Bg4 8.h3 
Bxf3 9.Nxf3 e6 10.Be3 b6 11.c3 Nf6 12.Qa4 Qc7 13.b4 c4 14.Bd4 O-O 15.Be5 
Qb7 16.Bxf6 Bxf6 17.e5 b5 18.Qd1 Be7 19.dxc4 bxc4 20.Qe2 c5 21.bxc5 Qd5 
22.Rad1 Qxc5 23.Rd4 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "4"]
[White "Garcia Martinez, Silvino"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "C62"]
[EventDate "1970.07.15"]
[PlyCount "30"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 exd4 5.Nxd4 Bd7 6.Nc3 Nf6 7.O-O Nxd4 8.
Qxd4 Bxb5 9.Nxb5 Be7 10.Nc3 O-O 11.Bf4 Nd7 12.Nd5 Bf6 13.Nxf6+ Qxf6 14.
Qxf6 Nxf6 15.Rfe1 Nd7 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "4"]
[White "Hernandez Onna, Roman"]
[Black "Rodriguez, Jose"]
[Result "1/2-1/2"]
[ECO "E12"]
[EventDate "1970.07.15"]
[PlyCount "63"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.a3 d5 6.Bg5 Be7 7.cxd5 Nxd5 8.Nxd5 
exd5 9.Bxe7 Qxe7 10.Rc1 O-O 11.b4 c6 12.Ne5 Rc8 13.g3 a5 14.Qb3 axb4 15.
axb4 f6 16.Nf3 Ba6 17.Nd2 Kh8 18.e3 Bxf1 19.Kxf1 Re8 20.Kg2 b5 21.Ra1 Nd7 
22.Qc3 Qd6 23.Rhc1 Rxa1 24.Rxa1 Nb6 25.Ra6 Nc4 26.Nb3 f5 27.Nc5 h6 28.Qa1 
Qg6 29.Qa2 Qh5 30.Ra8 Rxa8 31.Qxa8+ Kh7 32.Qxc6 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "4"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Villarroel, Geber"]
[Result "1/2-1/2"]
[ECO "E14"]
[EventDate "1970.07.15"]
[PlyCount "68"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb4+ 5.Bd2 Qe7 6.Bd3 Bb7 7.Nc3 O-O 8.O-O 
Bxc3 9.Bxc3 Ne4 10.Qc2 f5 11.Nd2 Nxc3 12.Qxc3 d6 13.f4 Nd7 14.Rae1 Nf6 15.
e4 Nxe4 16.Nxe4 fxe4 17.Bxe4 Bxe4 18.Rxe4 Qf6 19.Qe3 Rae8 20.Rf2 Re7 21.h3
Rfe8 22.b4 Rd8 23.a3 h6 24.Re2 d5 25.cxd5 Rxd5 26.Rxe6 Rxe6 27.Qxe6+ Qxe6 
28.Rxe6 Rxd4 29.Rc6 Rd3 30.Rxc7 Rxa3 31.b5 Rb3 32.Rxa7 Rxb5 33.Kf2 Rb3 34.
Rb7 Kh7 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "4"]
[White "Juarez, Carlos Eleodoro"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "B88"]
[EventDate "1970.07.15"]
[PlyCount "53"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6 7.Be3 Be7 8.Bb3 
a6 9.Qe2 Bd7 10.O-O-O Na5 11.g4 Nxb3+ 12.axb3 Bc6 13.f3 Qc7 14.g5 Nd7 15.
h4 O-O-O 16.h5 g6 17.Rh3 Rhf8 18.f4 Nc5 19.Bg1 d5 20.b4 Na4 21.Nxa4 Bxb4 
22.Nxc6 Qxc6 23.Nb6+ Kb8 24.exd5 exd5 25.Rhd3 Rfe8 26.Qf2 d4 27.Rxd4 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "4"]
[White "Li Chen, Samuel"]
[Black "Silva Sanchez, Carlos"]
[Result "0-1"]
[ECO "A25"]
[EventDate "1970.07.15"]
[PlyCount "62"]

1.c4 e5 2.e3 Nf6 3.Nc3 Nc6 4.Nge2 d5 5.cxd5 Nb4 6.Ng3 Nbxd5 7.Be2 Be7 8.
Qc2 Nb4 9.Qb1 O-O 10.b3 Bg4 11.f3 Be6 12.O-O Qd7 13.a3 Nc6 14.b4 Rad8 15.
Qc2 a5 16.b5 Nd4 17.exd4 exd4 18.Qb2 dxc3 19.dxc3 Qd5 20.Bf4 Rd7 21.Kh1 
Rfd8 22.a4 Qc5 23.Ne4 Nxe4 24.fxe4 Bg5 25.Bxg5 Qxg5 26.Rae1 Rd2 27.Qc1 h6 
28.c4 R8d4 29.g3 Rxe4 30.Bf3 Rxc4 31.h4 Rxh4+ 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "4"]
[White "Moraza Choisme, Manuel"]
[Black "Hook, William"]
[Result "1-0"]
[ECO "C04"]
[EventDate "1970.07.15"]
[PlyCount "53"]

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.Nb3 f6 7.Bb5 Nb4 8.exf6 
Qxf6 9.c3 c6 10.Be2 Na6 11.Bg5 Qf7 12.O-O Nc7 13.Bh4 Bd6 14.Ng5 Qg8 15.Bg3
Ke7 16.Qd2 Qf8 17.c4 h6 18.Bxd6+ Kxd6 19.Qb4+ c5 20.dxc5+ Ke5 21.Qc3+ Kf5 
22.Bd3+ Kxg5 23.f4+ Kh5 24.g4+ Kxg4 25.Bg6 Qxf4 26.Rxf4+ Kxf4 27.Qg3# 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "4"]
[White "Ramirez, Percy"]
[Black "Iglesias, Alfredo"]
[Result "1/2-1/2"]
[ECO "C81"]
[EventDate "1970.07.15"]
[PlyCount "212"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.Qe2 O-O 8.d4 d5 
9.dxe5 Nxe4 10.Rd1 Be6 11.c3 Bc5 12.Nd4 Nxe5 13.f3 Qf6 14.fxe4 Bg4 15.Qf1 
Qg6 16.Bf4 Bxd1 17.Bxd1 Qxe4 18.Nd2 Bxd4+ 19.Kh1 Qf5 20.cxd4 Nd3 21.Bxc7 
Qxf1+ 22.Nxf1 Nxb2 23.Bf3 Rac8 24.Bd6 Rfd8 25.Be7 Re8 26.Bc5 Nd3 27.Bxd5 
Nxc5 28.dxc5 Rxc5 29.Bf3 a5 30.Ng3 f5 31.Kg1 b4 32.Rd1 a4 33.Rb1 Rb8 34.
Ne2 b3 35.axb3 axb3 36.Nd4 b2 37.Kf2 Kh8 38.Bd1 g6 39.Nb3 Rd5 40.Bc2 Kg7 
41.Ke2 Re5+ 42.Kf2 Rb4 43.Rxb2 Rf4+ 44.Kg3 Rb4 45.Bd1 h5 46.h3 Re1 47.Rd2 
Rxd1 48.Rxd1 Rxb3+ 49.Kf2 Kh6 50.h4 Rb4 51.g3 Rg4 52.Rh1 Kg7 53.Kf3 Kf6 
54.Rh2 f4 55.gxf4 Kf5 56.Rh1 Rxf4+ 57.Kg3 Rg4+ 58.Kh3 Ra4 59.Rf1+ Rf4 60.
Rg1 Rf3+ 61.Kh2 Re3 62.Rg5+ Kf6 63.Rg2 Re6 64.Kh3 Kf5 65.Rf2+ Ke4 66.Re2+ 
Kd5 67.Rd2+ Ke5 68.Re2+ Kd6 69.Rg2 Kd5 70.Rd2+ Kc4 71.Rd1 Re3+ 72.Kg2 Rd3 
73.Rf1 Rd6 74.Kg3 Kc3 75.Re1 Kd2 76.Re8 Rf6 77.Re7 Kd3 78.Re8 Kd4 79.Re7 
Kd5 80.Re1 Rf5 81.Rd1+ Ke6 82.Ra1 Rd5 83.Ra6+ Kf5 84.Ra3 Rd4 85.Rf3+ Ke5 
86.Rf8 Rg4+ 87.Kh3 Rf4 88.Re8+ Kf5 89.Re3 Rd4 90.Rg3 Rd6 91.Rg1 Rd3+ 92.
Kh2 Rd6 93.Kh3 Kf4 94.Rf1+ Ke3 95.Rg1 Kf2 96.Rg2+ Kf1 97.Rg3 Rf6 98.Rg5 
Ke2 99.Rg2+ Ke3 100.Rg1 Rd6 101.Rg3+ Kf4 102.Rg5 Kf3 103.Rg3+ Ke4 104.Rg1 
Rd3+ 105.Kh2 Rd6 106.Re1+ Kf3 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "4"]
[White "Yabra, Federico"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1970.07.15"]
[PlyCount "81"]

1.Nf3 d5 2.d4 e6 3.e3 c5 4.Nbd2 Nf6 5.Bd3 c4 6.Be2 b5 7.c3 Bb7 8.Ne5 Nbd7 
9.f4 Bd6 10.O-O Qc7 11.Bf3 Ne4 12.Bxe4 dxe4 13.a4 a6 14.axb5 axb5 15.Rxa8+
Bxa8 16.Qg4 O-O 17.Nxd7 Qxd7 18.f5 exf5 19.Qxf5 Qc6 20.Nb1 g6 21.Qf6 Qc7 
22.h3 Be7 23.Qf2 f5 24.Na3 Qd7 25.Nc2 Bd5 26.Nb4 Qe6 27.Bd2 Ra8 28.Qf4 Bd6
29.Qg5 Kg7 30.g4 h6 31.gxf5 hxg5 32.fxe6 Bxe6 33.Kg2 g4 34.h4 Rh8 35.Be1 
g5 36.Rh1 gxh4 37.Bxh4 Kg6 38.Nc6 Rh5 39.Be7 Rxh1 40.Kxh1 Bd5 41.Bxd6 
1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "4"]
[White "Yepez, Trotzky"]
[Black "Lamas Baliero, Pedro"]
[Result "1/2-1/2"]
[ECO "C15"]
[EventDate "1970.07.15"]
[PlyCount "50"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2 dxe4 5.Qg4 Nf6 6.Qxg7 Rg8 7.Qh6 Bd7 8.Nxe4
Rg6 9.Nxf6+ Qxf6 10.Qe3 Bxd2+ 11.Qxd2 Bc6 12.O-O-O Rxg2 13.Bxg2 Bxg2 14.
Ne2 Bxh1 15.Rxh1 Nd7 16.Rg1 O-O-O 17.Qf4 Qxf4+ 18.Nxf4 Nf6 19.c3 Rg8 20.
Rxg8+ Nxg8 21.Kd2 Kd7 22.Nd3 b6 23.Ne5+ Ke8 24.Nc6 a5 25.a4 Ne7 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "5"]
[White "Cobo Arteaga, Eldis"]
[Black "Yabra, Federico"]
[Result "1-0"]
[ECO "E06"]
[EventDate "1970.07.15"]
[PlyCount "86"]

1.d4 Nf6 2.Nf3 d5 3.c4 e6 4.g3 Be7 5.Bg2 O-O 6.O-O Ne4 7.Nbd2 f5 8.Ne5 c6 
9.Qc2 Nd7 10.Nd3 Qe8 11.Nf3 Ndf6 12.c5 Ng4 13.b4 Bd7 14.a4 Qh5 15.h3 Nh6 
16.Nfe5 Rad8 17.b5 Bf6 18.Rb1 g5 19.bxc6 Bxc6 20.a5 Bxe5 21.Nxe5 f4 22.g4 
Qe8 23.e3 Kh8 24.Re1 fxe3 25.Bxe3 Nf7 26.Nxf7+ Qxf7 27.f3 Nf6 28.Bxg5 Rde8
29.Qd2 Nd7 30.Bh6 Rg8 31.Bf4 Rgf8 32.Bd6 Rg8 33.Qf4 Qxf4 34.Bxf4 a6 35.Kf2
Rgf8 36.Bd6 Rf7 37.Bf1 Kg8 38.Kg3 Rg7 39.Bd3 Nf6 40.Be5 Rf7 41.Re3 Nd7 42.
Bd6 Nf6 43.h4 h6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "5"]
[White "Hook, William"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "A38"]
[EventDate "1970.07.15"]
[PlyCount "76"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.c4 c5 6.Nc3 Nc6 7.d3 d5 8.Bd2 e6 
9.Qc1 b6 10.Bg5 Bb7 11.cxd5 exd5 12.e4 Ne7 13.Qf4 Ne8 14.Qh4 f6 15.Bh6 d4 
16.Ne2 Nc6 17.Bxg7 Nxg7 18.Qh6 Qe7 19.Nf4 Ne5 20.Nxe5 fxe5 21.Nh3 Ba6 22.
Rad1 c4 23.f4 exf4 24.gxf4 Rae8 25.Ng5 Ne6 26.Nxe6 Qxe6 27.dxc4 Bxc4 28.
Rf2 d3 29.b3 Ba6 30.Qg5 Kh8 31.e5 Qd7 32.Kh1 Qd4 33.Rf3 d2 34.Rh3 Bd3 35.
Bc6 Bc2 36.f5 Rxf5 37.Qxd2 Rf1+ 38.Kg2 Qg1# 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "5"]
[White "Iglesias, Alfredo"]
[Black "Yepez, Trotzky"]
[Result "0-1"]
[ECO "A21"]
[EventDate "1970.07.15"]
[PlyCount "60"]

1.c4 e5 2.Nc3 f5 3.d3 Nf6 4.Nf3 d6 5.e4 Be7 6.Be2 O-O 7.O-O Na6 8.a3 fxe4 
9.dxe4 Nc5 10.b4 Ne6 11.Qc2 c6 12.Rd1 Qe8 13.h3 Nh5 14.Be3 Qg6 15.Kh2 Nef4
16.Rg1 Qe6 17.Ng5 Bxg5 18.Bxh5 Nxh3 19.Bxg5 Rxf2 20.Qxf2 Nxf2 21.Rgf1 Ng4+
22.Bxg4 Qxg4 23.Be7 Be6 24.Bxd6 Bxc4 25.Rf3 Rd8 26.Rd1 h6 27.Kg1 Qg6 28.
Bxe5 Rxd1+ 29.Nxd1 Qxe4 30.Ne3 Be2 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "5"]
[White "Lamas Baliero, Pedro"]
[Black "Hernandez Onna, Roman"]
[Result "1/2-1/2"]
[ECO "E07"]
[EventDate "1970.07.15"]
[PlyCount "35"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Nbd7 5.Nf3 Be7 6.O-O O-O 7.b3 c6 8.Bb2 b6 
9.Nbd2 Bb7 10.e3 Rc8 11.Ne5 dxc4 12.Ndxc4 Qc7 13.Qf3 Ba8 14.Qe2 c5 15.Bxa8
Rxa8 16.Rac1 cxd4 17.Bxd4 Rac8 18.Bb2 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "5"]
[White "Perez, Francisco Jose"]
[Black "Moraza Choisme, Manuel"]
[Result "0-1"]
[ECO "D94"]
[EventDate "1970.07.15"]
[PlyCount "60"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 O-O 6.Be2 c5 7.O-O dxc4 8.Bxc4 
Nc6 9.a3 cxd4 10.exd4 Bg4 11.Be3 Rc8 12.Be2 Na5 13.Ne5 Bxe2 14.Qxe2 Nd5 
15.Nxd5 Qxd5 16.b4 Nb3 17.Rad1 Rc3 18.Qg4 b6 19.Qh4 Bf6 20.Qf4 a5 21.bxa5 
bxa5 22.Ng4 Bg7 23.Ne5 a4 24.Qh4 Qd6 25.Rd3 Rxd3 26.Nxd3 Qxa3 27.Nc5 Qb4 
28.Qxe7 a3 29.Qa7 Bxd4 30.Bxd4 Qxd4 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "5"]
[White "Rodriguez, Jose"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "B23"]
[EventDate "1970.07.15"]
[PlyCount "27"]

1.e4 c5 2.Nc3 Nc6 3.f4 e6 4.Nf3 d5 5.Bb5 Nf6 6.e5 Nd7 7.Bxc6 bxc6 8.d3 Be7
9.O-O O-O 10.Qe1 Kh8 11.b3 f5 12.Na4 Nb6 13.Qa5 Nxa4 14.Qxa4 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "5"]
[White "Rodriguez Vargas, Orestes"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "B00"]
[EventDate "1970.07.15"]
[PlyCount "81"]

1.e4 Nc6 2.Nf3 e6 3.d4 d5 4.e5 Nge7 5.c3 Ng6 6.h4 Be7 7.h5 Nf8 8.Bd3 b6 9.
b4 h6 10.Qc2 Qd7 11.O-O Bb7 12.a4 a6 13.Nbd2 Na7 14.Nb3 Qd8 15.Be3 Nd7 16.
Qe2 Qc8 17.Rac1 Nc6 18.Nfd2 a5 19.b5 Nd8 20.Qg4 Kf8 21.f4 f5 22.Qh3 Ke8 
23.g4 Nf8 24.gxf5 Rg8 25.fxe6 Ndxe6 26.Qg3 Kd8 27.Nf3 Qd7 28.f5 Ng5 29.
Nxg5 hxg5 30.Bxg5 Kc8 31.Bxe7 Qxe7 32.f6 Qf7 33.fxg7 Qxg7 34.Qxg7 Rxg7+ 
35.Kh2 Ne6 36.Rf6 Kd7 37.Bf5 Re8 38.Rg1 Rxg1 39.Kxg1 Bc8 40.Rxe6 Rxe6 41.
h6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "5"]
[White "Silva Sanchez, Carlos"]
[Black "Juarez, Carlos Eleodoro"]
[Result "0-1"]
[ECO "B40"]
[EventDate "1970.07.15"]
[PlyCount "124"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Bd3 Nc6 6.Nxc6 bxc6 7.O-O d5 8.Nd2
Qc7 9.f4 Be7 10.Kh1 Bb7 11.Qe2 O-O 12.b3 Rfd8 13.e5 Nd7 14.Bb2 g6 15.f5 
exf5 16.Bxf5 Nf8 17.e6 f6 18.Bh3 d4 19.Ne4 Qe5 20.Nxf6+ Bxf6 21.Qxe5 Bxe5 
22.Rae1 Bg7 23.e7 Re8 24.Ba3 Ba6 25.exf8=Q+ Bxf8 26.Rxf8+ Rxf8 27.Bxf8 
Kxf8 28.Bd7 Bb7 29.Kg1 Rd8 30.Bg4 c5 31.Bf3 Bxf3 32.Rf1 Ke7 33.Rxf3 Rd6 
34.Rh3 h5 35.Kf2 Re6 36.Rg3 Kd6 37.c3 a5 38.cxd4 cxd4 39.a3 a4 40.bxa4 Kd5
41.a5 Kc4 42.a6 h4 43.Rg5 Rxa6 44.Ke2 Rc6 45.Kd2 Rf6 46.Ke2 Rc6 47.Kd2 Rb6
48.Ke2 Rb2+ 49.Kf3 Rb3+ 50.Ke2 Rb2+ 51.Kf3 h3 52.gxh3 Rxh2 53.Kg3 Rh1 54.
Kg2 Re1 55.Rxg6 d3 56.Rd6 Kc3 57.Kf3 d2 58.Rc6+ Kb3 59.Rd6 d1=Q+ 60.Rxd1 
Rxd1 61.h4 Kc4 62.Ke4 Rh1 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "5"]
[White "Villarroel, Geber"]
[Black "Ramirez, Percy"]
[Result "1-0"]
[ECO "C85"]
[EventDate "1970.07.15"]
[PlyCount "59"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Bg4 8.h3 
Bh5 9.Nbd2 Nd7 10.b3 O-O 11.Bb2 f6 12.Qe1 Re8 13.Nh4 Bc5 14.Kh1 g5 15.Nf5 
Bg6 16.Rd1 Nf8 17.Nf3 Ne6 18.d4 exd4 19.N3xd4 Nxd4 20.Bxd4 Bxd4 21.Rxd4 
Qc8 22.Ng3 Qe6 23.f4 f5 24.Qd2 gxf4 25.exf5 Bxf5 26.Nxf5 Qxf5 27.Rdxf4 Qe5
28.Qf2 Qd6 29.Qg3+ Kh8 30.Qc3+ 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "6"]
[White "Garcia Martinez, Silvino"]
[Black "Lamas Baliero, Pedro"]
[Result "1/2-1/2"]
[ECO "B26"]
[EventDate "1970.07.15"]
[PlyCount "36"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.d3 Bg7 5.Be3 d6 6.Bg2 Nf6 7.Nh3 e5 8.O-O O-O 
9.f4 Ng4 10.Bd2 exf4 11.Bxf4 h6 12.Kh1 Be6 13.Bd2 g5 14.Nd5 Qd7 15.Bc3 Nd4
16.Nf2 Nxf2+ 17.Rxf2 f5 18.exf5 Rxf5 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "6"]
[White "Iglesias, Alfredo"]
[Black "Villarroel, Geber"]
[Result "0-1"]
[ECO "C69"]
[EventDate "1970.07.15"]
[PlyCount "100"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.c3 Bd6 8.Be3 
Nh6 9.Nbd2 Nf7 10.Qb3 Qc8 11.dxe5 fxe5 12.c4 c5 13.h3 Be6 14.Nh2 O-O 15.
Qc3 Nd8 16.f3 Nc6 17.Rf2 Nd4 18.Qd3 Qe8 19.Raf1 Qg6 20.Kh1 Rad8 21.Rg1 Be7
22.Qa3 Nc2 23.Qc3 Nxe3 24.Qxe3 Bg5 25.Qc3 Rd4 26.Nhf1 Rfd8 27.Nb3 b6 28.
Nxd4 cxd4 29.Qd3 c5 30.g3 Qf7 31.b3 Bxh3 32.Rh2 Bc8 33.Kg2 h6 34.g4 b5 35.
Rh3 Be6 36.cxb5 c4 37.bxc4 Bxc4 38.Qa3 axb5 39.Rhh1 Rf8 40.Rh3 Bxa2 41.Qc5
Bc4 42.Qxe5 d3 43.Qc3 Qf4 44.Qe1 Ra8 45.Kh1 d2 46.Qd1 Ra3 47.Rg2 Bxf1 48.
Qxf1 Rc3 49.Rg1 Rc1 50.Qe2 Qe3 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "6"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "D63"]
[EventDate "1970.07.15"]
[PlyCount "45"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.Nf3 h6 6.Bh4 Nbd7 7.e3 O-O 8.Rc1 a6 
9.cxd5 exd5 10.Bd3 c6 11.O-O Ne4 12.Bxe7 Qxe7 13.Qc2 f5 14.Na4 Kh8 15.Nd2 
Nxd2 16.Qxd2 Qg5 17.Rfe1 b5 18.Nc3 Bb7 19.Ne2 Nf6 20.Nf4 Rae8 21.h4 Qg4 
22.Be2 Ne4 23.Qc2 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "6"]
[White "Juarez, Carlos Eleodoro"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]
[ECO "B01"]
[EventDate "1970.07.15"]
[PlyCount "86"]

1.e4 d5 2.exd5 Nf6 3.Nf3 Nxd5 4.d4 g6 5.c4 Nb6 6.Be3 Bg7 7.h3 O-O 8.Nc3 
Nc6 9.Be2 e5 10.dxe5 Nxe5 11.Nxe5 Bxe5 12.Qxd8 Rxd8 13.Rc1 Bf5 14.f4 Bf6 
15.Kf2 Re8 16.Rhd1 Rad8 17.c5 Nc8 18.Rxd8 Bxd8 19.Rd1 Bh4+ 20.Kf3 Ne7 21.
Bc4 Bc8 22.Bf2 Bxf2 23.Kxf2 a6 24.Ne4 Kg7 25.Ng5 h6 26.Nxf7 Rf8 27.Ne5 
Rxf4+ 28.Ke3 g5 29.Rf1 Nf5+ 30.Kd2 Re4 31.Re1 Rxe1 32.Kxe1 Ne3 33.Bf1 Kf6 
34.Nf3 Be6 35.a3 Bd5 36.Nd4 Ke5 37.Nf3+ Bxf3 38.gxf3 Nxf1 39.Kxf1 Kd4 40.
b4 a5 41.Kf2 axb4 42.axb4 b6 43.cxb6 cxb6 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "6"]
[White "Li Chen, Samuel"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "D94"]
[EventDate "1970.07.15"]
[PlyCount "78"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.e3 O-O 6.h4 c5 7.cxd5 Nxd5 8.e4 Nxc3
9.bxc3 Bg4 10.Bb2 cxd4 11.cxd4 Nc6 12.e5 Qd5 13.Qd2 Bxf3 14.gxf3 Rfd8 15.
Rd1 Qxf3 16.Rh3 Qf5 17.f4 Bh6 18.Rf3 Nxe5 19.Rf2 Ng4 20.Bh3 Qe4+ 21.Qe2 
Nxf2 22.Kxf2 Qxf4+ 23.Kg2 Qxh4 24.d5 Qg5+ 25.Kh2 Rxd5 26.Bc1 Qh5 27.Qxh5 
Rxh5 28.Ba3 Rc8 29.Rd3 Bf4+ 30.Kg1 e6 31.Bg2 Rb5 32.Kf2 h5 33.Kf3 g5 34.
Be7 Kg7 35.Bf1 Rb2 36.Ra3 Rcc2 37.Bd3 f5 38.Bxc2 Rxc2 39.Bb4 e5 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "6"]
[White "Moraza Choisme, Manuel"]
[Black "Silva Sanchez, Carlos"]
[Result "1/2-1/2"]
[ECO "C98"]
[EventDate "1970.07.15"]
[PlyCount "114"]

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 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 13.dxc5 dxc5 14.Nf1 Be6 15.Ne3 
Rad8 16.Qe2 c4 17.Nf5 Bxf5 18.exf5 Rfe8 19.Ng5 Nb8 20.Be3 Nbd7 21.Rad1 Bc5
22.Ne4 Nxe4 23.Bxe4 Nf6 24.Bg5 Qb6 25.Bh4 Rxd1 26.Rxd1 Rd8 27.Bc2 Rxd1+ 
28.Qxd1 Qd6 29.Qxd6 Bxd6 30.Bxf6 gxf6 31.Be4 a5 32.Bc6 b4 33.Kf1 Bf8 34.
Ke2 Bh6 35.Kd1 Kf8 36.Bd5 bxc3 37.bxc3 Ke7 38.Bxc4 Bg5 39.Kc2 Bh4 40.f3 h6
41.Kb3 Be1 42.f4 exf4 43.Bd5 Kd6 44.Bf3 Kc5 45.Kc2 Kc4 46.Be2+ Kc5 47.Kd3 
Kd5 48.Bf3+ Ke5 49.c4 Bf2 50.Ke2 Bc5 51.Bh5 Kxf5 52.Bxf7 Ke5 53.Kd3 Bd4 
54.Bh5 Bf2 55.Bf3 Bd4 56.Bh5 Bf2 57.Ke2 Bc5 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "6"]
[White "Ramirez, Percy"]
[Black "Hook, William"]
[Result "1/2-1/2"]
[ECO "C03"]
[EventDate "1970.07.15"]
[PlyCount "80"]

1.e4 e6 2.d4 d5 3.Nd2 f5 4.exd5 exd5 5.Ngf3 Nf6 6.Bd3 Bd6 7.O-O O-O 8.Ne5 
c5 9.c3 Qb6 10.Ndf3 cxd4 11.cxd4 Nc6 12.Nxc6 bxc6 13.Qc2 Ne4 14.Be3 Be6 
15.Rac1 Rac8 16.Bxe4 fxe4 17.Nd2 Qc7 18.g3 Bg4 19.Qb3 Rb8 20.Qa4 Rb6 21.
Rfe1 Qd7 22.Qc2 Bb4 23.f4 exf3 24.Rf1 Bf5 25.Qd1 Be4 26.Nxf3 Bd6 27.Ng5 
Rxf1+ 28.Qxf1 Bg6 29.b3 h6 30.Nf3 Qg4 31.Ne5 Bxe5 32.dxe5 d4 33.Qc4+ Bf7 
34.Qxd4 Qe2 35.Qd2 Qxd2 36.Bxd2 Bd5 37.Re1 Kf7 38.Be3 Rb7 39.Bc5 a5 40.Re2
Ke6 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "6"]
[White "Yabra, Federico"]
[Black "Rodriguez, Jose"]
[Result "0-1"]
[ECO "A47"]
[EventDate "1970.07.15"]
[PlyCount "64"]

1.Nf3 Nf6 2.d4 e6 3.e3 b6 4.Bd3 Bb7 5.Nbd2 Be7 6.e4 d6 7.Qe2 Nbd7 8.O-O c5
9.e5 Nd5 10.Ne4 dxe5 11.dxe5 Qc7 12.Ng3 Nb4 13.Be4 Nc6 14.Rd1 h6 15.b3 
O-O-O 16.Bb2 g5 17.Bd3 g4 18.Ne1 Ndxe5 19.Ba6 Rxd1 20.Bxb7+ Kxb7 21.Rxd1 
Rd8 22.Rxd8 Bxd8 23.Ne4 f5 24.Nd2 Qd6 25.Nd3 Nxd3 26.cxd3 Bc7 27.g3 Nb4 
28.Nc4 Qd5 29.Bg7 h5 30.Ne5 Bxe5 31.Bxe5 Qxd3 32.Qxd3 Nxd3 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "6"]
[White "Yepez, Trotzky"]
[Black "Hernandez Onna, Roman"]
[Result "1-0"]
[ECO "B80"]
[EventDate "1970.07.15"]
[PlyCount "80"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Qc7 6.g3 a6 7.Bg2 Nf6 8.O-O d6
9.Re1 Bd7 10.Nxc6 bxc6 11.Na4 e5 12.c4 Be6 13.Qc2 Nd7 14.Be3 c5 15.b3 Qb7 
16.Rad1 Be7 17.Nc3 Nb8 18.f4 Nc6 19.Qf2 Nd4 20.Nd5 a5 21.Rc1 Rc8 22.Kh1 
Qa7 23.Qb2 O-O 24.Nc3 Rb8 25.Bxd4 cxd4 26.Nb5 Qc5 27.a4 Bd7 28.Qd2 Bd8 29.
Rf1 g6 30.f5 gxf5 31.exf5 f6 32.Bd5+ Kh8 33.Rce1 Bc6 34.Qg2 Bxd5 35.cxd5 
Rxb5 36.axb5 Qxb5 37.g4 Qxb3 38.Rb1 Qe3 39.Rf3 Qe4 40.Rb7 Qe1+ 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "7"]
[White "Cobo Arteaga, Eldis"]
[Black "Juarez, Carlos Eleodoro"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1970.07.15"]
[PlyCount "41"]

1.g3 c5 2.Bg2 Nc6 3.c4 g6 4.Nc3 Bg7 5.e3 d6 6.Nge2 Bd7 7.Rb1 Qc8 8.h3 Nf6 
9.a3 O-O 10.b4 h6 11.b5 Nd8 12.d3 Kh7 13.a4 Rb8 14.Bb2 a5 15.Nd5 Nxd5 16.
cxd5 e5 17.dxe6 Nxe6 18.Bxg7 Kxg7 19.Nc3 b6 20.Nd5 Nc7 21.Nf4 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "7"]
[White "Hernandez Onna, Roman"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "D14"]
[EventDate "1970.07.15"]
[PlyCount "28"]

1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Nc3 Nc6 5.Nf3 Nf6 6.Bf4 Bf5 7.e3 e6 8.Bd3 
Bxd3 9.Qxd3 Bd6 10.Bxd6 Qxd6 11.O-O O-O 12.Rac1 Rac8 13.h3 h6 14.Qb5 Qb4 
1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "7"]
[White "Hook, William"]
[Black "Iglesias, Alfredo"]
[Result "0-1"]
[ECO "A42"]
[EventDate "1970.07.15"]
[PlyCount "40"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 e5 5.d5 f5 6.exf5 gxf5 7.Qh5+ Kf8 8.f4 Nf6 
9.Qd1 e4 10.Be3 Bd7 11.Nge2 a5 12.Nd4 Na6 13.Be2 Nc5 14.O-O h5 15.Kh1 Ng4 
16.Bg1 Qf6 17.Nc2 Kf7 18.h3 Rag8 19.Bd4 Qg6 20.Rg1 Nd3 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "7"]
[White "Lamas Baliero, Pedro"]
[Black "Yabra, Federico"]
[Result "1-0"]
[ECO "A51"]
[EventDate "1970.07.15"]
[PlyCount "87"]

1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 4.Nf3 Nc6 5.Nbd2 Bb4 6.g3 Qe7 7.Bg2 Nxe5 8.
Nxe5 Qxe5 9.O-O Nxd2 10.Bxd2 Qxb2 11.Bxb4 Qxb4 12.Qd4 O-O 13.Rab1 Qa4 14.
Bxb7 Rb8 15.Bc6 Qxc6 16.Rxb8 Bb7 17.Rxf8+ Kxf8 18.f3 a5 19.Rb1 d6 20.Qa7 
Ba6 21.Rb8+ Ke7 22.Qe3+ Kf6 23.h4 g6 24.Re8 Kg7 25.Qd4+ Kh6 26.g4 Qc5 27.
Qxc5 dxc5 28.Ra8 Bxc4 29.Rxa5 Bxe2 30.Kf2 Bc4 31.a3 c6 32.Rxc5 Bb5 33.Ke3 
Kg7 34.Rxb5 cxb5 35.Kd4 Kf6 36.Kc5 g5 37.h5 Ke5 38.Kxb5 f5 39.a4 fxg4 40.
fxg4 Kf4 41.a5 Kxg4 42.a6 Kh3 43.a7 g4 44.a8=Q 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "7"]
[White "Perez, Francisco Jose"]
[Black "Ramirez, Percy"]
[Result "0-1"]
[ECO "D46"]
[EventDate "1970.07.15"]
[PlyCount "72"]

1.c4 Nf6 2.Nc3 c6 3.Nf3 d5 4.e3 Nbd7 5.d4 e6 6.Bd3 Bd6 7.O-O O-O 8.e4 dxc4
9.Bxc4 e5 10.Be3 b5 11.Bd3 exd4 12.Bxd4 Bc5 13.Rc1 Bxd4 14.Nxd4 Ne5 15.Bb1
Bg4 16.Nce2 Qb6 17.Qc2 Nfd7 18.f3 c5 19.Nxb5 Be6 20.Qa4 a6 21.Nbc3 c4+ 22.
Kh1 Nc5 23.Qc2 Ncd3 24.Nd5 Bxd5 25.exd5 g6 26.Nc3 Nxc1 27.Qxc1 Rab8 28.Qf4
f6 29.h4 Qxb2 30.Ne4 Nd3 31.Qg3 Qe5 32.Qh3 Rxb1 33.Rxb1 f5 34.Qg3 fxe4 35.
Qxe5 Nxe5 36.fxe4 Nd3 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "7"]
[White "Rodriguez, Jose"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "C05"]
[EventDate "1970.07.15"]
[PlyCount "89"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4 Be7 6.Ndf3 c5 7.c3 Nc6 8.Ne2 a6 
9.g3 O-O 10.Bh3 f5 11.exf6 Rxf6 12.Be3 c4 13.Qc2 b5 14.O-O Nf8 15.Rae1 Ra7
16.Ne5 Qb6 17.Ng4 Rf7 18.Kh1 Bd6 19.Ng1 Ne7 20.Ne5 Nf5 21.Nxf7 Nxe3 22.
Nh6+ gxh6 23.Rxe3 Rf7 24.Rfe1 Rf6 25.Nf3 b4 26.Nh4 Qa5 27.f5 exf5 28.Bxf5 
Qc7 29.Bxc8 Qxc8 30.Qg2 Qb7 31.Rf3 Nd7 32.Rf5 Rxf5 33.Nxf5 Bf8 34.Ne7+ 
Bxe7 35.Rxe7 Qc6 36.Qe2 bxc3 37.bxc3 Nf8 38.Qg4+ Qg6 39.Qxg6+ hxg6 40.Re5 
Kf7 41.Rxd5 Ne6 42.Ra5 Kf6 43.Rxa6 Ke7 44.Rc6 Kd7 45.Rxc4 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "7"]
[White "Rodriguez Vargas, Orestes"]
[Black "Moraza Choisme, Manuel"]
[Result "1-0"]
[ECO "D88"]
[EventDate "1970.07.15"]
[PlyCount "101"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 c5 8.Ne2 
O-O 9.O-O cxd4 10.cxd4 Nc6 11.Be3 Bg4 12.f3 Na5 13.Bb5 Be6 14.d5 Bxa1 15.
Qxa1 Bd7 16.Bxd7 Qxd7 17.Bh6 f6 18.Bxf8 Rxf8 19.Qc3 Qa4 20.Nf4 Nc4 21.Ne6 
Rc8 22.Rc1 Qxa2 23.Ra1 Qe2 24.Nd4 Qe3+ 25.Qxe3 Nxe3 26.Rxa7 Rb8 27.Ra4 Rc8
28.Ra1 Kf7 29.Kf2 Nc4 30.Rb1 Nd6 31.Kg3 Rc3 32.Nb5 Nxb5 33.Rxb5 Rc7 34.Rb6
g5 35.h4 Kg6 36.hxg5 Kxg5 37.Rb5 Rd7 38.f4+ Kg6 39.Kf3 Rc7 40.g4 Rc3+ 41.
Ke2 Rc7 42.Kd3 Rd7 43.Kd4 Kf7 44.e5 fxe5+ 45.fxe5 Rc7 46.Rc5 Rxc5 47.Kxc5 
Ke8 48.Kb6 Kd8 49.Kxb7 Kd7 50.g5 Kd8 51.e6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "7"]
[White "Silva Sanchez, Carlos"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "B47"]
[EventDate "1970.07.15"]
[PlyCount "27"]

1.e4 c5 2.Nf3 e6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 a6 6.g3 Qc7 7.Bg2 Nf6 8.O-O 
Be7 9.Re1 Nxd4 10.Qxd4 e5 11.Qd3 d6 12.Bg5 Be6 13.Nd5 Bxd5 14.exd5 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "7"]
[White "Villarroel, Geber"]
[Black "Yepez, Trotzky"]
[Result "0-1"]
[ECO "B30"]
[EventDate "1970.07.15"]
[PlyCount "81"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 Nf6 4.e5 Nd5 5.O-O Nc7 6.Bxc6 dxc6 7.d3 Bg4 8.Nbd2
Ne6 9.h3 Bh5 10.b3 Qd5 11.Qe1 O-O-O 12.Bb2 f5 13.exf6 exf6 14.Qe4 Qxe4 15.
dxe4 Nd4 16.c4 Bd6 17.Rab1 Bf4 18.g4 Bg6 19.Rfe1 Rhe8 20.Bxd4 cxd4 21.Rbd1
c5 22.Kf1 Rd7 23.Nh4 Bxd2 24.Rxd2 Bxe4 25.f3 Bg6 26.Nxg6 Rxe1+ 27.Kxe1 
hxg6 28.h4 Re7+ 29.Kf2 a6 30.Kg3 Kc7 31.Kf4 Re5 32.b4 Kc6 33.g5 b6 34.gxf6
gxf6 35.a3 g5+ 36.hxg5 Rxg5 37.Rh2 Re5 38.Rh6 Re6 39.Kf5 Rd6 40.Rh2 cxb4 
41.axb4 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "8"]
[White "Iglesias, Alfredo"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "D04"]
[EventDate "1970.07.15"]
[PlyCount "80"]

1.d4 d5 2.Nf3 Nf6 3.e3 Bg4 4.c4 e6 5.Qb3 Bxf3 6.Qxb7 Nbd7 7.gxf3 Rb8 8.
Qxa7 Bb4+ 9.Nc3 O-O 10.Qa4 c5 11.dxc5 Nxc5 12.Qc2 dxc4 13.Bxc4 Nd5 14.Bd2 
Qf6 15.Be2 Rfd8 16.O-O Qh4 17.Rfd1 Ba5 18.Nxd5 Rxd5 19.Bxa5 Rg5+ 20.Kh1 
Rh5 21.Bc7 e5 22.Bxe5 Rxe5 23.f4 Re6 24.Bc4 Rh6 25.f3 Ne6 26.Rd2 Qf6 27.
Rad1 g5 28.Rg2 Rh5 29.f5 Ng7 30.e4 h6 31.Rd7 Rf8 32.Qb3 Rh3 33.Rg3 Rxg3 
34.hxg3 h5 35.a4 Nxf5 36.Rxf7 Rxf7 37.Bxf7+ Kg7 38.exf5 Qxf5 39.Kg2 h4 40.
Be6 Kh6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "8"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1-0"]
[ECO "D34"]
[EventDate "1970.07.15"]
[PlyCount "149"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O 
O-O 9.dxc5 Bxc5 10.Na4 Be7 11.Nd4 Bd7 12.Nxc6 Bxc6 13.Be3 Ne4 14.Bd4 Bf6 
15.Nc3 Re8 16.e3 Nxc3 17.bxc3 Bb5 18.Re1 Bc4 19.Bxf6 Qxf6 20.Bxd5 Rad8 21.
e4 g6 22.Qd2 Kg7 23.Rad1 Re5 24.Re3 Bxd5 25.exd5 Rexd5 26.Qxd5 Rxd5 27.
Rxd5 Qc6 28.Rd4 b5 29.h4 h5 30.Kh2 Qa6 31.Rd2 Qc6 32.Red3 a6 33.Rc2 Qe4 
34.Rcd2 Qc6 35.Rb2 Qc4 36.Re3 Qf1 37.Rd2 Qc1 38.Rde2 Qf1 39.Rd2 Qc1 40.
Red3 Qe1 41.Rd4 Qc1 42.R4d3 Qe1 43.Rb2 Qc1 44.Re2 Qf1 45.Rdd2 Qc1 46.Rc2 
Qd1 47.Red2 Qe1 48.c4 bxc4 49.Rd4 c3 50.Rc4 f5 51.R4xc3 Qe4 52.Rc7+ Kh6 
53.R7c4 Qd5 54.Rf4 Qd3 55.Rc6 Qb5 56.Re6 a5 57.a4 Qc5 58.Re3 Qd5 59.Re7 
Qd6 60.Rb7 Qc6 61.Rb5 Qc3 62.Rd5 Kg7 63.Rd7+ Kh6 64.Rfd4 Qc2 65.Rf4 Qc6 
66.Rf7 Qe6 67.Rc7 Qd6 68.Rb7 Qc6 69.Rb5 Qc3 70.Rd5 Qe1 71.Rc5 Qd2 72.Kg2 
Qe1 73.Rd4 Qa1 74.Rd7 f4 75.Rcc7 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "8"]
[White "Juarez, Carlos Eleodoro"]
[Black "Rodriguez, Jose"]
[Result "1-0"]
[ECO "C16"]
[EventDate "1970.07.15"]
[PlyCount "85"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 b6 5.Qg4 Bf8 6.Bg5 Qd7 7.O-O-O Nc6 8.f4 Bb7
9.Nf3 Nge7 10.Qh5 Ng6 11.Bd3 Be7 12.f5 exf5 13.Bd2 Nd8 14.Bxf5 Ne6 15.Ng5 
Bxg5 16.Bxg5 Qc6 17.Rhf1 Nxg5 18.Qxg5 O-O 19.Rf3 Bc8 20.Bd3 Qe6 21.Rg3 c5 
22.Re1 Bd7 23.Ne2 f6 24.Qh5 fxe5 25.dxe5 Be8 26.Rg5 Rd8 27.Ng3 c4 28.Bf5 
Qe7 29.Qg4 c3 30.Be6+ Bf7 31.Bxf7+ Rxf7 32.Nf5 cxb2+ 33.Kb1 Qc5 34.h4 Rc7 
35.Nd4 Rf8 36.h5 Nf4 37.Rd1 h6 38.Rf5 Rxf5 39.Qxf5 Rf7 40.Qg4 Qe7 41.e6 
Rf8 42.g3 Ng2 43.Qe2 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "8"]
[White "Li Chen, Samuel"]
[Black "Lamas Baliero, Pedro"]
[Result "0-1"]
[ECO "B30"]
[EventDate "1970.07.15"]
[PlyCount "76"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 Qc7 4.Nc3 e6 5.b3 d6 6.O-O Bd7 7.Re1 Nf6 8.Bb2 Be7
9.d4 cxd4 10.Nxd4 O-O 11.Nxc6 bxc6 12.Bd3 e5 13.Ne2 Nh5 14.Bc1 d5 15.c4 d4
16.h3 g6 17.g4 Nf4 18.Nxf4 exf4 19.Qf3 Bd6 20.Kh2 Kg7 21.Bb2 Be5 22.c5 Be6
23.Kg2 Qe7 24.Rac1 h5 25.Rg1 hxg4 26.hxg4 Qh4 27.Be2 f5 28.gxf5 Rxf5 29.
Kf1 Rg5 30.Rxg5 Qxg5 31.Qd3 Rh8 32.Bf3 Rh3 33.Qd1 Bg4 34.Bxd4 Bxf3 35.
Bxe5+ Kh6 36.Qxf3 Rxf3 37.Ke2 Qh5 38.Bd6 Re3+ 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "8"]
[White "Moraza Choisme, Manuel"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "B03"]
[EventDate "1970.07.15"]
[PlyCount "50"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.d4 d6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 Bf5 8.Nc3 e6
9.Nf3 Be7 10.Be2 O-O 11.Qd2 f6 12.exf6 Bxf6 13.O-O Qe7 14.Rad1 Rad8 15.Qe1
Nb4 16.Qg3 Nc2 17.Bf2 Qb4 18.Qxc7 Qxb2 19.Nb5 Qxa2 20.Ne5 Bxe5 21.dxe5 
Rxd1 22.Rxd1 Ne3 23.Nc3 Qc2 24.Bxe3 Qxc3 25.Bc5 Re8 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "8"]
[White "Ramirez, Percy"]
[Black "Silva Sanchez, Carlos"]
[Result "0-1"]
[ECO "C86"]
[EventDate "1970.07.15"]
[PlyCount "58"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.d4 
Nxd4 9.Nxd4 exd4 10.e5 Ne8 11.c3 dxc3 12.Nxc3 Bb7 13.Be3 d5 14.Rad1 c6 15.
f4 f5 16.Rf3 Nc7 17.Bb6 Rc8 18.Rh3 Qe8 19.Bxc7 Rxc7 20.Rdd3 Bc5+ 21.Kh1 g6
22.g4 b4 23.Nd1 fxg4 24.Qxg4 Bc8 25.Qh4 Bxh3 26.Rxh3 Rcf7 27.Bc2 Qxe5 28.
Bxg6 hxg6 29.Rg3 Qe4+ 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "8"]
[White "Villarroel, Geber"]
[Black "Hook, William"]
[Result "1-0"]
[ECO "C12"]
[EventDate "1970.07.15"]
[PlyCount "71"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.Bxc3 Ne4 8.Bd3 
Nxc3 9.bxc3 c5 10.f4 Qa5 11.Qd2 Nc6 12.Nf3 b6 13.a4 Ba6 14.dxc5 Bxd3 15.
cxd3 Qxc5 16.d4 Qc4 17.Qe3 Na5 18.Nd2 Qc6 19.O-O Rc8 20.Rac1 Qxa4 21.f5 
Qd7 22.Qg3 Rg8 23.fxe6 Qxe6 24.c4 Nxc4 25.Nxc4 Rxc4 26.Rxc4 dxc4 27.Qf3 f6
28.Re1 b5 29.Qb7 a6 30.d5 Qe7 31.Qc8+ Kf7 32.e6+ Kg6 33.Qxg8 c3 34.Qf7+ 
Qxf7 35.exf7 Kxf7 36.d6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "8"]
[White "Yabra, Federico"]
[Black "Hernandez Onna, Roman"]
[Result "0-1"]
[ECO "A37"]
[EventDate "1970.07.15"]
[PlyCount "88"]

1.Nf3 g6 2.c4 Bg7 3.Nc3 c5 4.g3 Nc6 5.Bg2 e6 6.e4 a6 7.d3 Nge7 8.Be3 Nd4 
9.Qd2 d6 10.O-O O-O 11.Bh6 Nec6 12.Bxg7 Kxg7 13.Nxd4 cxd4 14.Ne2 e5 15.f4 
b5 16.b3 Rb8 17.Rac1 Bd7 18.c5 Qe7 19.cxd6 Qxd6 20.fxe5 Nxe5 21.b4 Rbc8 
22.a3 f6 23.Rfd1 Bg4 24.Rxc8 Rxc8 25.Rc1 Rxc1+ 26.Nxc1 Qc7 27.h3 Bxh3 28.
Ne2 Qd7 29.Nf4 Bxg2 30.Kxg2 h5 31.Qf2 Qg4 32.Qe2 Qc8 33.Qf2 Ng4 34.Qa2 
Ne3+ 35.Kh2 Qc2+ 36.Qxc2 Nxc2 37.Ne6+ Kf7 38.Nc7 Ke7 39.Nxa6 Kd6 40.Nc5 
Nxa3 41.Nb3 Nc2 42.Kh3 g5 43.Kh2 Ke5 44.Nd2 g4 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "8"]
[White "Yepez, Trotzky"]
[Black "Garcia Martinez, Silvino"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1970.07.15"]
[PlyCount "68"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bc4 c6 5.Nc3 b5 6.Bd3 Bg4 7.Be3 b4 8.Ne2 Nd7 
9.Nd2 Nb6 10.h3 Bd7 11.f4 Nf6 12.O-O O-O 13.f5 Na4 14.Rb1 c5 15.Ng3 cxd4 
16.Bxd4 Nxe4 17.Bxg7 Qb6+ 18.Kh2 Nxg3 19.Bxf8 Nxf1+ 20.Qxf1 Rxf8 21.f6 d5 
22.fxe7 Qd6+ 23.Kh1 Qxe7 24.Qf4 Re8 25.Nf3 Nc5 26.Re1 Ne4 27.Bxe4 dxe4 28.
Ng5 Bc6 29.h4 f6 30.Nh3 e3 31.Qc4+ Qe6 32.Qxe6+ Rxe6 33.Kg1 g5 34.hxg5 
fxg5 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "9"]
[White "Cobo Arteaga, Eldis"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "D35"]
[EventDate "1970.07.15"]
[PlyCount "36"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.cxd5 exd5 6.Nf3 O-O 7.e3 c6 8.Bd3 h6
9.Bh4 Nbd7 10.O-O Ne4 11.Bxe7 Qxe7 12.Bxe4 dxe4 13.Nd2 Nf6 14.Qc2 Re8 15.
Nb3 b6 16.Rfe1 Bb7 17.Nd2 c5 18.dxc5 Qxc5 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "9"]
[White "Garcia Martinez, Silvino"]
[Black "Yabra, Federico"]
[Result "1/2-1/2"]
[ECO "B77"]
[EventDate "1970.07.15"]
[PlyCount "56"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Bd7 7.Bb3 g6 8.Be3 
Bg7 9.f3 O-O 10.Qd2 Qa5 11.O-O Rfc8 12.Nxc6 Bxc6 13.Bd4 Bb5 14.Qg5 e5 15.
Nxb5 exd4 16.Bxf7+ Kh8 17.b4 Qb6 18.a4 a6 19.Na3 d3+ 20.Kh1 dxc2 21.Qd2 
Qc7 22.Bc4 b5 23.e5 dxe5 24.Bb3 e4 25.Nxc2 exf3 26.gxf3 Nh5 27.axb5 axb5 
28.Rxa8 Rxa8 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "9"]
[White "Hernandez Onna, Roman"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "E44"]
[EventDate "1970.07.15"]
[PlyCount "71"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Bb7 6.a3 Be7 7.d5 d6 8.Ng3 Nbd7 
9.Be2 O-O 10.O-O e5 11.b4 Re8 12.Qb3 Nf8 13.Bd2 Ng6 14.Rfd1 Rb8 15.a4 Ba8 
16.a5 bxa5 17.Rxa5 c5 18.Nb5 Qd7 19.Rxa7 Qd8 20.bxc5 dxc5 21.Qa4 Bb7 22.d6
Bf8 23.Nc7 Nd7 24.Ba5 Bc8 25.Nxe8 Qxe8 26.Bg4 e4 27.Bxd7 Qe5 28.Bxc8 Rb2 
29.Rb7 Rxb7 30.Bxb7 Bxd6 31.Rxd6 Qxd6 32.Qe8+ Nf8 33.Bd5 Qf6 34.Bc3 Qg6 
35.Bxe4 Qb6 36.Nf5 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "9"]
[White "Hook, William"]
[Black "Yepez, Trotzky"]
[Result "0-1"]
[ECO "E95"]
[EventDate "1970.07.15"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 Nbd7 7.O-O e5 8.Re1 c6 
9.Bf1 Re8 10.Rb1 Qc7 11.h3 exd4 12.Nxd4 Nc5 13.f3 d5 14.cxd5 Nxd5 15.exd5 
Rxe1 16.Qxe1 Bxd4+ 17.Be3 Qf4 18.Bxd4 Qxd4+ 19.Qf2 Qxf2+ 20.Kxf2 cxd5 21.
Nxd5 Be6 22.Rd1 Bxd5 23.Rxd5 Rc8 24.Ke3 Kf8 25.b4 Ne6 26.Rd7 Rc7 27.Rxc7 
Nxc7 28.Bc4 Ke7 29.h4 h6 30.Ke4 f6 31.Bd5 Nxd5 32.Kxd5 h5 33.a4 Kd7 34.f4 
Ke7 35.a5 Kd7 36.b5 Ke7 37.Kc5 Kd7 38.a6 bxa6 39.bxa6 Kc7 40.g3 f5 41.Kd5 
0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "9"]
[White "Lamas Baliero, Pedro"]
[Black "Juarez, Carlos Eleodoro"]
[Result "0-1"]
[ECO "A48"]
[EventDate "1970.07.15"]
[PlyCount "110"]

1.d4 g6 2.Nf3 Nf6 3.Bf4 Bg7 4.e3 O-O 5.Bd3 d6 6.h3 Nbd7 7.O-O Qe8 8.Bh2 e5
9.dxe5 dxe5 10.e4 Nh5 11.Nc3 c6 12.Qd2 Qe7 13.Rad1 Nb6 14.a4 Rd8 15.Qe3 
Be6 16.g4 Nf4 17.Nxe5 Nxd3 18.Nxd3 Nc4 19.Qe1 h5 20.b3 Na3 21.Qd2 hxg4 22.
Ne2 b5 23.Qb4 Qxb4 24.Nxb4 bxa4 25.Nxc6 Rxd1 26.Rxd1 axb3 27.cxb3 Bxb3 28.
Rd3 Bc4 29.Rxa3 Bxe2 30.hxg4 a6 31.f3 Bf8 32.Rc3 a5 33.Kf2 Bb5 34.Be5 a4 
35.Nd4 Be8 36.Rc1 a3 37.Rh1 Bg7 38.Bxg7 Kxg7 39.Ke3 a2 40.Ra1 Ra3+ 41.Ke2 
f6 42.f4 Bf7 43.e5 Bc4+ 44.Ke1 fxe5 45.fxe5 Re3+ 46.Kf2 Rxe5 47.Kf3 Bd5+ 
48.Kg3 Re3+ 49.Kh4 Re4 50.Nb5 Kh6 51.Nd6 Rb4 52.Re1 g5+ 53.Kg3 Rb1 54.Nf5+
Kg6 55.Ne7+ Kf7 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "9"]
[White "Perez, Francisco Jose"]
[Black "Villarroel, Geber"]
[Result "0-1"]
[ECO "A47"]
[EventDate "1970.07.15"]
[PlyCount "134"]

1.d4 Nf6 2.Nf3 e6 3.e3 b6 4.Be2 Bb7 5.O-O Be7 6.Nbd2 O-O 7.b3 c5 8.Bb2 Nc6
9.c4 Rc8 10.Rc1 d6 11.Bd3 Re8 12.Bb1 Bf8 13.Qe2 Qe7 14.dxc5 dxc5 15.Ne4 
Nxe4 16.Bxe4 Rcd8 17.Rcd1 f5 18.Bb1 g6 19.Rxd8 Rxd8 20.Rd1 Rxd1+ 21.Qxd1 
Bg7 22.Bxg7 Kxg7 23.h3 e5 24.Ne1 e4 25.Qd2 Ne5 26.Bc2 Kf6 27.Bd1 Ke6 28.
Be2 Qd6 29.Qxd6+ Kxd6 30.f4 exf3 31.gxf3 g5 32.Kf2 h6 33.Ng2 Ke6 34.Ne1 f4
35.Nc2 Kf6 36.Ne1 Bc8 37.Bf1 fxe3+ 38.Kxe3 Bf5 39.a3 Ng6 40.Nd3 Bxd3 41.
Bxd3 Nf4 42.Bf1 Ke5 43.b4 h5 44.b5 h4 45.a4 Kf6 46.Kd2 Ke6 47.a5 bxa5 48.
Kc3 Kd6 49.Kb3 Kc7 50.Ka3 Kb6 51.Ka4 a6 52.bxa6 Kxa6 53.Ka3 Kb6 54.Ka4 Ng6
55.Bd3 Ne5 56.Be2 Ka6 57.Kb3 Nd7 58.Bd3 Nb6 59.Bf5 Kb7 60.Kc3 Kc6 61.Kd3 
Kd6 62.f4 gxf4 63.Ke4 a4 64.Kxf4 a3 65.Bb1 Na4 66.Ba2 Nc3 67.Bb3 Ne2+ 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "9"]
[White "Rodriguez, Jose"]
[Black "Moraza Choisme, Manuel"]
[Result "1-0"]
[ECO "C01"]
[EventDate "1970.07.15"]
[PlyCount "39"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.exd5 exd5 5.Bg5 Be7 6.Nf3 Bg4 7.Be2 O-O 8.h3 
Be6 9.O-O Ne4 10.Bxe7 Qxe7 11.Bd3 f5 12.Ne5 Nd7 13.Nxd7 Qxd7 14.f4 Rae8 
15.Qe1 Rf6 16.Nd1 Kh8 17.Ne3 g5 18.Bxe4 dxe4 19.fxg5 Rff8 20.d5 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "9"]
[White "Rodriguez Vargas, Orestes"]
[Black "Ramirez, Percy"]
[Result "1-0"]
[ECO "D18"]
[EventDate "1970.07.15"]
[PlyCount "91"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O 
Nbd7 9.Qe2 Ne4 10.Bd3 Bxc3 11.bxc3 Nxc3 12.Qc2 Bxd3 13.Qxd3 Nd5 14.Ba3 a5 
15.Rab1 Nb4 16.Bxb4 axb4 17.Rxb4 O-O 18.Qb3 b6 19.Rd1 Qc7 20.Qc2 Rfd8 21.
h3 h6 22.Rdb1 Ra5 23.Nd2 Rda8 24.Nc4 R5a6 25.g3 g6 26.Nd2 Nf6 27.Rc4 Rc8 
28.Rc1 Nd5 29.Nf3 Qd6 30.e4 Ne7 31.h4 h5 32.Qd2 Qd8 33.Qf4 Qf8 34.Ne5 Ra7 
35.Qe3 Rac7 36.Qb3 Rb8 37.Nxc6 Nxc6 38.Rxc6 Rxc6 39.Rxc6 Qd8 40.d5 exd5 
41.exd5 Qd7 42.Qb5 Qe8 43.Qc4 Qe5 44.d6 b5 45.axb5 Rxb5 46.d7 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "9"]
[White "Silva Sanchez, Carlos"]
[Black "Iglesias, Alfredo"]
[Result "1-0"]
[ECO "C10"]
[EventDate "1970.07.15"]
[PlyCount "79"]

1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bd3 Be7 8.
Qe2 O-O 9.O-O b6 10.Bg5 Bb7 11.Rad1 h6 12.Bf4 Rc8 13.c4 Kh8 14.Bb1 Qe8 15.
Be5 c5 16.d5 exd5 17.Qc2 Ne4 18.cxd5 f5 19.d6 Nxd6 20.Bxd6 Bxf3 21.gxf3 
Qg6+ 22.Bg3 h5 23.Kh1 h4 24.Be5 Qh5 25.Qc3 Rf7 26.Rg1 Bf8 27.Bc2 b5 28.f4 
b4 29.Qe3 c4 30.Rg5 Qh6 31.Qf3 Qc6 32.Qxc6 Rxc6 33.Rxf5 Rxf5 34.Bxf5 c3 
35.bxc3 bxc3 36.Bc2 Kg8 37.Rd7 h3 38.Kg1 a5 39.Kf1 a4 40.Rc7 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "10"]
[White "Hook, William"]
[Black "Perez, Francisco Jose"]
[Result "1/2-1/2"]
[ECO "B09"]
[EventDate "1970.07.15"]
[PlyCount "81"]

1.d4 g6 2.e4 Bg7 3.f4 d6 4.Nf3 Nf6 5.Nc3 O-O 6.Bd3 Nc6 7.O-O Ng4 8.h3 Nf6 
9.e5 Ne8 10.Qe2 Nb4 11.Bc4 d5 12.Bb3 c6 13.a3 Na6 14.Be3 Nac7 15.g4 f5 16.
Qg2 Qd7 17.Nh2 b6 18.Rf3 Kh8 19.Ne2 Bb7 20.c3 Ba6 21.Ng3 Bd3 22.Rd1 Be4 
23.Nxe4 fxe4 24.Rf2 Bh6 25.Qg3 Rg8 26.Kh1 Bf8 27.Rg1 Bh6 28.Qh4 Bf8 29.f5 
gxf5 30.gxf5 Rxg1+ 31.Kxg1 Ng7 32.Qg4 e6 33.f6 Nf5 34.Qe2 Bh6 35.Bxh6 Nxh6
36.Rg2 Nf5 37.Nf1 Qf7 38.Ne3 Rg8 39.Nxf5 exf5 40.Qf2 Rxg2+ 41.Kxg2 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "10"]
[White "Iglesias, Alfredo"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[ECO "B09"]
[EventDate "1970.07.15"]
[PlyCount "112"]

1.d4 g6 2.e4 Bg7 3.f4 d6 4.Nf3 Nf6 5.Nc3 O-O 6.Bc4 c6 7.e5 Ne8 8.O-O Nc7 
9.Kh1 b5 10.Bb3 a5 11.a4 d5 12.Be3 e6 13.g4 f6 14.g5 fxe5 15.fxe5 Nd7 16.
axb5 cxb5 17.h4 Nb6 18.Nh2 a4 19.Ba2 b4 20.Ne2 Nc4 21.Bc1 b3 22.Bb1 a3 23.
cxb3 axb2 24.Rxa8 bxc1=Q 25.Qxc1 Nxa8 26.bxc4 Ba6 27.Rxf8+ Qxf8 28.Nf4 
dxc4 29.Nxe6 Qf2 30.Be4 Nb6 31.Qf4 Qe1+ 32.Kg2 c3 33.Nxg7 Qd2+ 34.Qxd2 
cxd2 35.Bc2 Bd3 36.Bd1 Kxg7 37.Kf2 Nc4 38.Nf3 Bf5 39.Ke2 Bg4 40.Bb3 Nb2 
41.Kxd2 Bxf3 42.d5 Kf8 43.Kc3 Nd1+ 44.Kd4 Nf2 45.d6 Bc6 46.Kc5 Bd7 47.Kb6 
Ne4 48.Bd5 Nc3 49.Bc6 Bxc6 50.Kxc6 Ke8 51.e6 Kd8 52.Kc5 Ke8 53.Kd4 Nb5+ 
54.Kd5 Nc3+ 55.Ke5 Nb5 56.Kd5 Nc3+ 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "10"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Rodriguez, Jose"]
[Result "1/2-1/2"]
[ECO "D34"]
[EventDate "1970.07.15"]
[PlyCount "41"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 c5 5.cxd5 exd5 6.Nf3 Nc6 7.O-O Be7 8.Nc3 
O-O 9.dxc5 d4 10.Na4 Bf5 11.Bf4 Be4 12.Qb3 Nd5 13.Ne1 Bxg2 14.Nxg2 Nxf4 
15.Nxf4 Rb8 16.Rad1 Qa5 17.Nd5 Bxc5 18.Nxc5 Qxc5 19.Rc1 Qd6 20.Rfd1 Rfe8 
21.Rc2 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "10"]
[White "Juarez, Carlos Eleodoro"]
[Black "Hernandez Onna, Roman"]
[Result "1-0"]
[ECO "B02"]
[EventDate "1970.07.15"]
[PlyCount "39"]

1.e4 Nf6 2.e5 Nd5 3.Nc3 Nxc3 4.bxc3 d6 5.f4 c5 6.d4 Qc7 7.Nf3 Bg4 8.h3 
Bxf3 9.Qxf3 e6 10.Bb5+ Nc6 11.O-O a6 12.Bxc6+ bxc6 13.f5 cxd4 14.fxe6 fxe6
15.Qg4 Qd7 16.cxd4 d5 17.Bg5 Be7 18.Rab1 g6 19.Bxe7 Qxe7 20.Rf6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "10"]
[White "Li Chen, Samuel"]
[Black "Garcia Martinez, Silvino"]
[Result "0-1"]
[ECO "E92"]
[EventDate "1970.07.15"]
[PlyCount "96"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e4 d6 6.Be2 e5 7.d5 Nh5 8.Bg5 f6 9.
Bh4 Nf4 10.Bf1 a5 11.Qc2 Na6 12.a3 Nc5 13.h3 a4 14.Bg3 f5 15.Nd2 Bh6 16.
O-O-O fxe4 17.Kb1 e3 18.fxe3 Nh5 19.Be1 Bxe3 20.Nde4 Bd7 21.Ka2 Bd4 22.g4 
Nf4 23.Bg3 Qe7 24.Ne2 Nxe2 25.Bxe2 Ra6 26.h4 Rb6 27.Nc3 Rb3 28.Rdf1 Rb8 
29.Bf2 Qe8 30.Bd1 b5 31.Bxd4 exd4 32.Re1 Qd8 33.Nxb5 Bxb5 34.Rh2 Ba6 35.
Qb1 Re3 36.Rg1 Bxc4+ 37.Ka1 Rxa3+ 38.bxa3 Rxb1+ 39.Kxb1 Bxd5 40.g5 Be4+ 
41.Ka1 Qb8 42.Rb2 Nb3+ 43.Ka2 c5 44.h5 c4 45.Bg4 c3 46.Be6+ Kh8 47.Rxb3 
axb3+ 48.Bxb3 Bc2 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "10"]
[White "Moraza Choisme, Manuel"]
[Black "Lamas Baliero, Pedro"]
[Result "1/2-1/2"]
[ECO "B33"]
[EventDate "1970.07.15"]
[PlyCount "42"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Bxf6 
gxf6 9.Na3 d5 10.Nxd5 Bxa3 11.bxa3 Be6 12.Bc4 Qa5+ 13.Qd2 O-O-O 14.Rd1 
Qxa3 15.Qe3 Qxe3+ 16.Nxe3 Rd4 17.Rxd4 Nxd4 18.c3 Nc2+ 19.Ke2 Nxe3 20.Bxe6+
fxe6 21.Kxe3 Rd8 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "10"]
[White "Ramirez, Percy"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1970.07.15"]
[PlyCount "50"]

1.e4 g6 2.d4 d6 3.Nf3 Nf6 4.Nbd2 Bg7 5.Be2 O-O 6.O-O c6 7.Re1 Qc7 8.c3 
Nbd7 9.a4 e5 10.Bf1 Re8 11.Nc4 exd4 12.Bf4 Ne5 13.cxd4 Nxc4 14.Bxc4 Rxe4 
15.Rxe4 Nxe4 16.Qe2 Qe7 17.Bxd6 Qxd6 18.Qxe4 Bd7 19.Ng5 Be8 20.Re1 Bf6 21.
Qf3 Kg7 22.Re6 Qxd4 23.Re4 Qxb2 24.h4 h6 25.Rf4 hxg5 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "10"]
[White "Villarroel, Geber"]
[Black "Silva Sanchez, Carlos"]
[Result "1/2-1/2"]
[ECO "C61"]
[EventDate "1970.07.15"]
[PlyCount "48"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O Bc5 6.d3 Ne7 7.c3 O-O 8.b4 
Bb6 9.Bb2 c6 10.Ba4 dxc3 11.Nxc3 Bd4 12.Bb3 d5 13.Qd2 Be6 14.Kh1 a5 15.b5 
a4 16.Nxa4 dxe4 17.dxe4 Bxb2 18.Qxb2 Bxb3 19.Qxb3 Qd4 20.Nc3 cxb5 21.Rad1 
Qc4 22.Nxb5 Qxe4 23.Rfe1 Qh4 24.Nd6 Ng6 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "10"]
[White "Yepez, Trotzky"]
[Black "Yabra, Federico"]
[Result "0-1"]
[ECO "B57"]
[EventDate "1970.07.15"]
[PlyCount "80"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Bd7 7.O-O g6 8.Nd5 
Bg7 9.Nb5 O-O 10.Nbc7 Rc8 11.Nxf6+ Bxf6 12.Nd5 Bg7 13.Bg5 Re8 14.c3 Ne5 
15.Be2 Nc4 16.Qb3 b5 17.Rad1 a6 18.Rfe1 h6 19.Bc1 Qa5 20.a3 Be6 21.Qc2 Qd8
22.Qd3 Nb6 23.Qe3 Rc5 24.Qf3 Nxd5 25.exd5 Bf5 26.Be3 Rc8 27.g4 Bc2 28.Rd2 
Bb3 29.Qh3 g5 30.Bf3 e5 31.Be4 a5 32.Qf3 Qf6 33.Qxf6 Bxf6 34.Bb6 Bd8 35.
Bf5 Bxb6 36.Bxc8 Rxc8 37.Kg2 Rc5 38.f3 Kf8 39.Kg3 Ke7 40.Rf1 Rxd5 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "11"]
[White "Cobo Arteaga, Eldis"]
[Black "Iglesias, Alfredo"]
[Result "1-0"]
[ECO "B82"]
[EventDate "1970.07.15"]
[PlyCount "37"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 Be7 7.f4 d6 8.Qf3 
Bd7 9.Bd3 a6 10.O-O Qa5 11.Nb3 Qh5 12.Qg3 Qg4 13.Qf2 h6 14.h3 Qh5 15.Rae1 
g5 16.e5 dxe5 17.fxe5 Nxe5 18.Bd4 g4 19.Rxe5 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "11"]
[White "Garcia Martinez, Silvino"]
[Black "Juarez, Carlos Eleodoro"]
[Result "1-0"]
[ECO "E60"]
[EventDate "1970.07.15"]
[PlyCount "75"]

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 c5 5.d5 d6 6.Bg2 O-O 7.O-O Na6 8.Nc3 Nc7 
9.a4 b6 10.e4 Rb8 11.Re1 a6 12.Bf1 Bd7 13.e5 Nfe8 14.h3 b5 15.b3 Rb7 16.
Bf4 Qb8 17.Ne4 Na8 18.exd6 exd6 19.Nxc5 Bxa1 20.Qxa1 f6 21.Nxb7 Qxb7 22.
axb5 axb5 23.Nd4 Nac7 24.Bg2 bxc4 25.bxc4 Qb4 26.Bf1 Qb7 27.Rb1 Qc8 28.h4 
Bh3 29.Nc6 Kg7 30.Rb8 Qf5 31.Bxh3 Qxh3 32.Bxd6 Nxd6 33.Rxf8 Ne4 34.Qa3 Qf5
35.Rg8+ Kh6 36.Nd4 Qg4 37.Qf3 Qxf3 38.Nxf3 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "11"]
[White "Hernandez Onna, Roman"]
[Black "Moraza Choisme, Manuel"]
[Result "1-0"]
[ECO "A21"]
[EventDate "1970.07.15"]
[PlyCount "107"]

1.c4 e5 2.Nc3 d6 3.g3 f5 4.Bg2 Nf6 5.d3 c6 6.f4 Be7 7.Nh3 Ng4 8.e3 O-O 9.
O-O Be6 10.Nf2 Nxf2 11.Rxf2 Nd7 12.b3 Bf6 13.d4 e4 14.Rc2 d5 15.cxd5 Bxd5 
16.Nxd5 cxd5 17.Ba3 Rf7 18.Rac1 Qa5 19.Rc8+ Rxc8 20.Rxc8+ Nf8 21.Qc1 Be7 
22.Bxe7 Rxe7 23.a3 g6 24.b4 Qa4 25.Bf1 Kg7 26.Qc5 Qd7 27.Bb5 b6 28.Qc6 Qe6
29.Rd8 Qxc6 30.Bxc6 Rc7 31.b5 Kf7 32.Rxd5 Ke7 33.Re5+ Kd6 34.Re8 Ne6 35.
Ra8 Re7 36.Kf2 Rg7 37.h4 Rc7 38.Ke2 Rf7 39.Kd2 Re7 40.Kc3 Rc7 41.Kd2 Re7 
42.Kc3 Ng7 43.Rf8 Nh5 44.d5 Kc7 45.Kc4 Kd6 46.a4 Kc7 47.a5 Rg7 48.Re8 Nf6 
49.Re6 Rf7 50.d6+ Kd8 51.a6 h6 52.Kd4 h5 53.Kc4 Rf8 54.Re7 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "11"]
[White "Lamas Baliero, Pedro"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "A03"]
[EventDate "1970.07.15"]
[PlyCount "42"]

1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.Be2 Bg7 5.O-O O-O 6.d4 c5 7.c3 b6 8.Qe1 Ne4 9.
Nbd2 Nd6 10.h3 Ba6 11.dxc5 bxc5 12.Bxa6 Nxa6 13.e4 dxe4 14.Nxe4 Qb6 15.
Nxd6 Qxd6 16.Be3 Rab8 17.Qf2 Rfd8 18.f5 Qd5 19.fxg6 hxg6 20.Rae1 Rf8 21.
Bc1 Rb7 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "11"]
[White "Perez, Francisco Jose"]
[Black "Yepez, Trotzky"]
[Result "1-0"]
[ECO "D85"]
[EventDate "1970.07.15"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bb5+ Bd7 8.
Bxd7+ Qxd7 9.Nf3 c5 10.O-O cxd4 11.cxd4 O-O 12.Be3 Nc6 13.Qa4 b5 14.Qxb5 
Rab8 15.Qe2 Rb4 16.Rab1 Rfb8 17.Rxb4 Rxb4 18.d5 Nd4 19.Nxd4 Bxd4 20.Qd2 
Qa4 21.Bh6 Rb2 22.Rc1 Rb8 23.Qf4 Qb4 24.Qc7 Re8 25.Qc8 Qe1+ 26.Rxe1 Rxc8 
27.Rc1 Rb8 28.Kf1 f6 29.Rc7 Re8 30.h4 a5 31.Ke2 a4 32.Rc4 Be5 33.Rxa4 Bd6 
34.Ra6 Rb8 35.a4 f5 36.f3 Rb2+ 37.Kd3 Rb3+ 38.Kc2 Rb8 39.Rc6 Kf7 40.Rc4 
fxe4 41.fxe4 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "11"]
[White "Rodriguez, Jose"]
[Black "Ramirez, Percy"]
[Result "1/2-1/2"]
[ECO "C45"]
[EventDate "1970.07.15"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4 a6 7.a5 Ba7 8.Nc3 
Nf6 9.Bg5 d6 10.Be2 Be6 11.Qd2 h6 12.Be3 Bxe3 13.Qxe3 Qe7 14.Nd4 Nxd4 15.
Qxd4 O-O 16.O-O Bd7 17.Rfe1 Bc6 18.Bc4 Rae8 19.Bd5 Bxd5 20.Nxd5 Nxd5 21.
Qxd5 c6 22.Qd2 Qe5 23.Qb4 Re7 24.Rad1 f5 25.Qxd6 Qxd6 26.Rxd6 fxe4 27.b4 
Rf5 28.Re3 Rb5 29.c3 c5 30.Rd5 cxb4 31.Rxb5 axb5 32.cxb4 Rc7 33.f3 exf3 
34.Re5 fxg2 35.Kxg2 Rf7 36.Rxb5 Kf8 37.Kg3 Ke8 38.Rc5 Kd8 39.b5 Rf6 40.
Rd5+ Ke8 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "11"]
[White "Rodriguez Vargas, Orestes"]
[Black "Villarroel, Geber"]
[Result "1-0"]
[ECO "E41"]
[EventDate "1970.07.15"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 b6 6.Nf3 Bb7 7.O-O O-O 8.Na4 cxd4
9.exd4 d5 10.c5 bxc5 11.a3 c4 12.axb4 cxd3 13.Nc5 Qb6 14.Qxd3 Bc6 15.Qa3 
Ne4 16.Ne5 Bb5 17.Re1 f6 18.Nf3 Qc6 19.Bf4 Nd7 20.Rac1 Ndxc5 21.bxc5 Rfe8 
22.Qe3 Qb7 23.b4 Bc6 24.Rb1 a6 25.Bg3 Qf7 26.Nd2 Nxd2 27.Qxd2 Qh5 28.Qc3 
Rac8 29.Ra1 Bb5 30.Re3 h6 31.Rae1 Qf7 32.Bd6 Qd7 33.Qd2 Kh8 34.f4 Kg8 35.
Qf2 Ra8 36.f5 exf5 37.Re7 Qc6 38.Qg3 g5 39.Qh3 Rxe7 40.Rxe7 Re8 41.Qxh6 
1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "11"]
[White "Silva Sanchez, Carlos"]
[Black "Hook, William"]
[Result "0-1"]
[ECO "C08"]
[EventDate "1970.07.15"]
[PlyCount "58"]

1.e4 e6 2.d4 d5 3.Nd2 a6 4.Ngf3 c5 5.exd5 exd5 6.dxc5 Bxc5 7.Nb3 Bb6 8.Bd3
Nc6 9.O-O h6 10.Re1+ Nge7 11.Be3 O-O 12.Qd2 Bxe3 13.Qxe3 Qc7 14.Qc5 Be6 
15.Nbd4 Qd7 16.Nxc6 Nxc6 17.Nd4 Rac8 18.Nxc6 Qxc6 19.Qd4 Qc5 20.Qxc5 Rxc5 
21.Re5 Rc6 22.Rae1 Rd8 23.f4 Kf8 24.f5 Bc8 25.Kf2 Rcd6 26.Ke3 f6 27.Re6 
Bxe6 28.fxe6 Rxe6+ 29.Kd2 Rxe1 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "11"]
[White "Yabra, Federico"]
[Black "Li Chen, Samuel"]
[Result "1/2-1/2"]
[ECO "E24"]
[EventDate "1970.07.15"]
[PlyCount "120"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 d5 6.e3 O-O 7.Qc2 b6 8.Nf3 
Re8 9.Bd3 Bb7 10.O-O Nbd7 11.Ne5 dxc4 12.Nxc4 e5 13.Nd2 c5 14.Bb2 Rc8 15.
dxe5 Nxe5 16.Bf5 Rc7 17.Rad1 Qe7 18.c4 h5 19.Rfe1 Neg4 20.h3 Nh6 21.Bd3 
Rd7 22.e4 Red8 23.e5 Ne8 24.Nf1 Nc7 25.Ng3 Ne6 26.Bh7+ Kh8 27.Rxd7 Rxd7 
28.Be4 h4 29.Nf1 Nd4 30.Qb1 Bc8 31.f4 Rd8 32.Ne3 Qe8 33.Bc3 Qe6 34.Qb2 
Nhf5 35.Nxf5 Nxf5 36.Bxf5 Qxf5 37.e6 Bxe6 38.Bxg7+ Kh7 39.Bf6 Rg8 40.Bg5 
Bxc4 41.Qf2 Rxg5 42.fxg5 Qxf2+ 43.Kxf2 Kg6 44.Re7 Be6 45.Rxa7 b5 46.Rb7 b4
47.axb4 cxb4 48.Rxb4 Kxg5 49.g3 Bxh3 50.gxh4+ Kh6 51.Kg3 Bf5 52.Kf4 Bc2 
53.Rb8 Bd3 54.Rg8 Bg6 55.Ke5 Kh5 56.Rh8+ Kg4 57.Rh6 Bh5 58.Rh8 Bg6 59.Kf6 
Bh5 60.Ke5 Bg6 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "12"]
[White "Hook, William"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]
[ECO "A26"]
[EventDate "1970.07.15"]
[PlyCount "54"]

1.Nf3 g6 2.g3 Bg7 3.Bg2 e5 4.d3 Nc6 5.O-O d6 6.c4 Nf6 7.Nc3 O-O 8.Bd2 h6 
9.Rb1 Bg4 10.h3 Be6 11.b4 Qd7 12.Kh2 Nh5 13.b5 Ne7 14.Ng1 Rab8 15.Nd5 f5 
16.f4 Kh7 17.Qc1 Rg8 18.Qa3 exf4 19.gxf4 g5 20.e3 Bxd5 21.cxd5 gxf4 22.e4 
Bd4 23.Bf3 Ng3 24.Ne2 Nxe2 25.Bxe2 Ng6 26.Qa4 Qg7 27.exf5 Ne5 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "12"]
[White "Iglesias, Alfredo"]
[Black "Rodriguez, Jose"]
[Result "1/2-1/2"]
[ECO "D46"]
[EventDate "1970.07.15"]
[PlyCount "59"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 c6 5.e3 Bd6 6.Bd3 O-O 7.O-O Nbd7 8.b3 e5 
9.cxd5 cxd5 10.dxe5 Nxe5 11.Nxe5 Bxe5 12.Bb2 Bg4 13.f3 Be6 14.f4 Bc7 15.
Nb5 Bb6 16.Nd4 Re8 17.Kh1 Bd7 18.Qf3 Qe7 19.Rae1 Ba5 20.Re2 Bg4 21.Qg3 
Bxe2 22.Nf5 Qf8 23.Bxf6 Bxd3 24.Bxg7 Bxf5 25.Bh6+ Kh8 26.Bxf8 Rxf8 27.Qg5 
Be4 28.Qf6+ Kg8 29.f5 Rac8 30.Qg5+ 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "12"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Hernandez Onna, Roman"]
[Result "1/2-1/2"]
[ECO "A33"]
[EventDate "1970.07.15"]
[PlyCount "36"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.Nc3 cxd4 5.Nxd4 Nc6 6.a3 d5 7.cxd5 exd5 8.Bg5 
Bc5 9.e3 O-O 10.Be2 Be6 11.O-O h6 12.Bh4 Nxd4 13.exd4 Be7 14.Qb3 Qd7 15.
Rad1 Rfd8 16.Rfe1 Rac8 17.Bf3 Rc6 18.Be2 a6 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "12"]
[White "Juarez, Carlos Eleodoro"]
[Black "Yabra, Federico"]
[Result "1-0"]
[ECO "B60"]
[EventDate "1970.07.15"]
[PlyCount "54"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 g6 7.Bxf6 exf6 8.Bc4
Bg7 9.Ndb5 O-O 10.Qxd6 f5 11.O-O-O Qb6 12.f4 Rd8 13.Qc7 Qe3+ 14.Kb1 Be6 
15.Bxe6 fxe6 16.exf5 Rdc8 17.Rhe1 Qc5 18.Qd6 Qxf5 19.Qxe6+ Qxe6 20.Rxe6 
Rf8 21.g3 a6 22.Nc7 Rac8 23.N3d5 Rfd8 24.Rde1 Kf7 25.c4 a5 26.g4 Rd7 27.
Ne8 Bh8 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "12"]
[White "Moraza Choisme, Manuel"]
[Black "Garcia Martinez, Silvino"]
[Result "0-1"]
[ECO "B87"]
[EventDate "1970.07.15"]
[PlyCount "48"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 a6 7.Bb3 b5 8.a3 Bb7 
9.Bg5 h6 10.Bh4 Nbd7 11.O-O Nc5 12.Ba2 Be7 13.f4 O-O 14.e5 dxe5 15.fxe5 
Nfe4 16.Nxe4 Nxe4 17.Bxe7 Qxe7 18.Qh5 Rac8 19.Rae1 Qg5 20.Qxg5 Nxg5 21.Rf4
Rc5 22.h4 Nh7 23.Ref1 Rxe5 24.c3 Nf6 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "12"]
[White "Perez, Francisco Jose"]
[Black "Silva Sanchez, Carlos"]
[Result "1-0"]
[ECO "A84"]
[EventDate "1970.07.15"]
[PlyCount "77"]

1.d4 g6 2.c4 f5 3.Nc3 Bg7 4.e3 d6 5.Nf3 Nf6 6.Be2 O-O 7.O-O c6 8.Rb1 Qc7 
9.d5 Nbd7 10.b4 Re8 11.Bb2 a6 12.h3 c5 13.b5 Nf8 14.Qd2 h6 15.Rfd1 Bd7 16.
Bd3 e5 17.dxe6 Bxe6 18.a4 Qf7 19.Qe2 N8d7 20.Rbc1 Bf8 21.Qf1 Nb6 22.Nd2 
axb5 23.axb5 Nfd7 24.e4 Ne5 25.Nd5 Bxd5 26.exd5 Bg7 27.Bxe5 Bxe5 28.Nf3 
Qf6 29.Nxe5 dxe5 30.Qe1 e4 31.Bf1 f4 32.Ra1 Rxa1 33.Rxa1 e3 34.Ra2 Qd4 35.
fxe3 Rxe3 36.Qf2 Nxc4 37.Ra4 Rc3 38.Qxd4 cxd4 39.Rxc4 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "12"]
[White "Ramirez, Percy"]
[Black "Lamas Baliero, Pedro"]
[Result "1/2-1/2"]
[ECO "C07"]
[EventDate "1970.07.15"]
[PlyCount "35"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.Bb5 Nf6 6.e5 Nd7 7.O-O a6 8.Bd3 cxd4
9.Re1 Qc7 10.Qe2 Nc5 11.Nb3 Nxd3 12.cxd3 Bb4 13.Bd2 Bxd2 14.Qxd2 Qb6 15.
Nfxd4 Nxd4 16.Qe3 O-O 17.Qxd4 Qxd4 18.Nxd4 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "12"]
[White "Villarroel, Geber"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "B50"]
[EventDate "1970.07.15"]
[PlyCount "26"]

1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.Bd3 Nc6 5.Bc2 Bg4 6.h3 Bxf3 7.Qxf3 g6 8.d3 Bg7
9.O-O O-O 10.Be3 e5 11.Nd2 Rc8 12.Rfe1 b6 13.Bg5 h6 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "12"]
[White "Yepez, Trotzky"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "D38"]
[EventDate "1970.07.15"]
[PlyCount "107"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 Bb4 5.Qa4+ Nc6 6.Ne5 Bd7 7.Nxc6 Bxc3+ 8.
bxc3 Bxc6 9.Qc2 dxc4 10.f3 b5 11.e4 Ng8 12.Be2 Ne7 13.O-O O-O 14.Ba3 Re8 
15.Rae1 Ng6 16.f4 f5 17.d5 exd5 18.exf5 Nf8 19.Bf3 Qf6 20.Bc5 Qf7 21.Bd4 
Nd7 22.g4 Nf6 23.Qg2 Ne4 24.h4 a5 25.a3 Rab8 26.h5 h6 27.g5 Qxf5 28.gxh6 
Qf7 29.hxg7 Kh7 30.f5 Nf6 31.Qg6+ Qxg6+ 32.hxg6+ Kxg7 33.Kg2 Rxe1 34.Rxe1 
Re8 35.Rh1 Rf8 36.Rh7+ Kg8 37.Rxc7 Ba8 38.Bxf6 Rxf6 39.Rc8+ Kg7 40.Rxa8 
Rxf5 41.Rxa5 d4 42.cxd4 Rg5+ 43.Kf2 Kxg6 44.d5 Kf6 45.Rxb5 Rg7 46.Rc5 Ra7 
47.Rxc4 Rxa3 48.Re4 Kf5 49.Re3 Ra2+ 50.Be2 Ra7 51.Bd3+ Kf6 52.Re6+ Kf7 53.
Ke3 Kf8 54.Kd4 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "13"]
[White "Cobo Arteaga, Eldis"]
[Black "Hook, William"]
[Result "1-0"]
[ECO "A58"]
[EventDate "1970.07.15"]
[PlyCount "71"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.g3 d6 7.Bg2 g6 8.e4 Nbd7 
9.Ne2 Ne5 10.O-O Nd3 11.Nbc3 Bg7 12.Rb1 O-O 13.Bd2 Qb6 14.b3 e6 15.h3 exd5
16.exd5 Rfe8 17.Be3 Qa5 18.Qd2 Nd7 19.Rfd1 Reb8 20.Ne4 Qxd2 21.Rxd2 c4 22.
Bd4 cxb3 23.axb3 Bf8 24.Nf6+ Nxf6 25.Bxf6 Bg7 26.Bxg7 Kxg7 27.Nd4 Nb4 28.
Nc6 Rb6 29.Rd4 Nc2 30.Ra4 Re8 31.Rc1 Re1+ 32.Rxe1 Nxe1 33.Rb4 Rxb4 34.Nxb4
Bb5 35.f4 Kf6 36.Be4 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "13"]
[White "Garcia Martinez, Silvino"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "A07"]
[EventDate "1970.07.15"]
[PlyCount "84"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 Bf5 4.O-O e6 5.d3 h6 6.Nbd2 Be7 7.b3 O-O 8.Bb2 c6 
9.e3 Nbd7 10.Qe2 Bh7 11.e4 Nc5 12.e5 Nfd7 13.Nd4 Na6 14.Bh3 c5 15.Nxe6 
fxe6 16.Bxe6+ Kh8 17.Bxd5 Nb4 18.Bxb7 Nxc2 19.Bxa8 Qxa8 20.Rac1 Nb4 21.Ne4
Qd5 22.f4 Nxd3 23.Nc3 Qd4+ 24.Kg2 Nxb2 25.Qxb2 Nxe5 26.fxe5 Be4+ 27.Kh3 
Qd7+ 28.e6 Qxe6+ 29.g4 Bf3 30.Rxf3 Rxf3+ 31.Kg2 Qxg4+ 32.Kh1 Bf6 33.Qe2 
Bd4 34.Qe8+ Kh7 35.Qe4+ Qf5 36.Qxf5+ Rxf5 37.Ne4 Re5 38.Ng3 g6 39.Rc4 Kg7 
40.Ra4 Re7 41.Ra6 h5 42.h3 h4 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "13"]
[White "Hernandez Onna, Roman"]
[Black "Ramirez, Percy"]
[Result "1-0"]
[ECO "D15"]
[EventDate "1970.07.15"]
[PlyCount "51"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.e3 Bf5 6.Bxc4 e6 7.O-O Nbd7 8.Nh4 
Bg6 9.Nxg6 hxg6 10.e4 Qc7 11.h3 Bb4 12.e5 Nd5 13.Nxd5 exd5 14.Bd3 Nf8 15.
Be3 Ne6 16.Rc1 Qe7 17.Qa4 Ng5 18.Rxc6 Nxh3+ 19.gxh3 Qd7 20.Re6+ Kd8 21.
Qxb4 Qxe6 22.Qxb7 Qxh3 23.Qxa8+ Ke7 24.Qb7+ Kf8 25.Qb8+ Ke7 26.Qd6+ 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "13"]
[White "Lamas Baliero, Pedro"]
[Black "Iglesias, Alfredo"]
[Result "1-0"]
[ECO "B06"]
[EventDate "1970.07.15"]
[PlyCount "107"]

1.d4 g6 2.e4 Bg7 3.f4 d6 4.Nc3 f5 5.Nf3 fxe4 6.Nxe4 Nf6 7.Nxf6+ exf6 8.Bd3
Qe7+ 9.Kf2 O-O 10.Re1 Qf7 11.Qe2 Nc6 12.Bd2 Bg4 13.c3 Rae8 14.Qf1 d5 15.
Kg1 Rxe1 16.Rxe1 Re8 17.h3 Bd7 18.f5 Rxe1 19.Qxe1 g5 20.h4 g4 21.Nh2 h5 
22.Qg3 Bc8 23.Nf1 Bf8 24.Bf4 Ne7 25.Ne3 c6 26.Qf2 Bd7 27.Bb8 Bh6 28.Nf1 
Nc8 29.Bf4 Qf8 30.Ng3 Be8 31.Qe3 Bxf4 32.Qxf4 Qd6 33.Qe3 Bf7 34.Ne2 Kg7 
35.Nf4 Qe7 36.Ne6+ Bxe6 37.fxe6 Nd6 38.Kf2 f5 39.Qe5+ Kg6 40.Kg3 Ne4+ 41.
Kf4 Qf8 42.Bxe4 Qh6+ 43.Kg3 Qe3+ 44.Bf3 f4+ 45.Kh2 Qxe5 46.dxe5 gxf3 47.g4
hxg4 48.e7 g3+ 49.Kh3 Kf7 50.h5 Kxe7 51.h6 Ke6 52.h7 Kf5 53.h8=Q f2 54.Kg2
1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "13"]
[White "Li Chen, Samuel"]
[Black "Juarez, Carlos Eleodoro"]
[Result "0-1"]
[ECO "A36"]
[EventDate "1970.07.15"]
[PlyCount "86"]

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.b3 Bg7 5.Bb2 d6 6.Bg2 Bd7 7.e3 Qc8 8.Nge2 Bh3 
9.Bxh3 Qxh3 10.Nf4 Qd7 11.d3 h5 12.h3 e6 13.Qe2 Nge7 14.Ncd5 e5 15.Nxe7 
Nxe7 16.Nd5 Nxd5 17.cxd5 O-O 18.g4 h4 19.O-O Bh6 20.Kh1 a5 21.Rg1 a4 22.
Kh2 Bg5 23.Qd2 f6 24.b4 b6 25.f4 Bh6 26.g5 fxg5 27.fxe5 dxe5 28.Raf1 Qxd5 
29.Bc1 cxb4 30.e4 Qd6 31.Qe2 Rxf1 32.Rxf1 Rf8 33.Rg1 Qf6 34.Rg2 Qf1 35.Bd2
Qxe2 36.Rxe2 b3 37.axb3 axb3 38.Bc3 Rc8 39.Bb2 Rc2 40.Rg2 Bf8 41.Kh1 Kf7 
42.Kg1 Bc5+ 43.Kf1 Rxg2 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "13"]
[White "Rodriguez, Jose"]
[Black "Villarroel, Geber"]
[Result "1/2-1/2"]
[ECO "E18"]
[EventDate "1970.07.15"]
[PlyCount "30"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.d4 e6 5.O-O Be7 6.c4 O-O 7.Nc3 Ne4 8.Nxe4 
Bxe4 9.Ne1 Bxg2 10.Nxg2 d6 11.Bd2 Bf6 12.Bc3 c5 13.Rc1 Nc6 14.dxc5 Bxc3 
15.Rxc3 dxc5 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "13"]
[White "Rodriguez Vargas, Orestes"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "B99"]
[EventDate "1970.07.15"]
[PlyCount "73"]

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.g4 b5 11.Bxf6 Nxf6 12.g5 Nd7 13.a3 Bb7 14.Bh3 Qc4 15.Rhe1 
O-O 16.Bf1 Qc5 17.h4 Rfc8 18.f5 Ne5 19.Qg3 exf5 20.exf5 b4 21.axb4 Qxb4 
22.f6 Bf8 23.Nb3 a5 24.Rd4 Qb6 25.Re3 Bc6 26.fxg7 Bxg7 27.Rxd6 a4 28.Nd5 
Qa7 29.Nf6+ Kh8 30.Nd4 a3 31.bxa3 Bf8 32.Qxe5 Bxd6 33.Qf5 Bxa3+ 34.Kb1 
Rcb8+ 35.Nb3 Rxb3+ 36.cxb3 Be4+ 37.Qxe4 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "13"]
[White "Silva Sanchez, Carlos"]
[Black "Yepez, Trotzky"]
[Result "1/2-1/2"]
[ECO "C85"]
[EventDate "1970.07.15"]
[PlyCount "32"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
O-O 9.Nc4 f6 10.Nh4 g6 11.Bh6 Rf7 12.f4 exf4 13.Rxf4 Bf8 14.Bxf8 Nxf8 15.
Rf2 Be6 16.Nd2 c5 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "13"]
[White "Yabra, Federico"]
[Black "Moraza Choisme, Manuel"]
[Result "1-0"]
[ECO "D89"]
[EventDate "1970.07.15"]
[PlyCount "69"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 c5 8.Ne2 
O-O 9.O-O cxd4 10.cxd4 Nc6 11.Be3 Bg4 12.f3 Na5 13.Bd3 Be6 14.d5 Bxa1 15.
Qxa1 f6 16.Bh6 Re8 17.Rd1 Bd7 18.Kh1 Rc8 19.Nf4 Qc7 20.Ne2 Ba4 21.Bf4 Qc5 
22.Rc1 Qa3 23.Qd4 Rxc1+ 24.Bxc1 Qxa2 25.d6 exd6 26.Qxf6 Qe6 27.Qc3 b6 28.
Bb2 Qe5 29.Qa3 Qc5 30.Qxa4 Rc8 31.Qd7 Qc7 32.Qe6+ Kf8 33.Qf6+ Qf7 34.Qxd6+
Kg8 35.Qe5 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "14"]
[White "Hook, William"]
[Black "Rodriguez, Jose"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1970.07.15"]
[PlyCount "119"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 g6 4.O-O Bg7 5.d3 O-O 6.Nc3 Nc6 7.Bd2 Re8 8.e4 d4 
9.Ne2 Bg4 10.Nh4 e5 11.h3 Bxe2 12.Qxe2 Nd7 13.Nf3 Ne7 14.h4 c5 15.Bh3 Rc8 
16.a4 Rc6 17.h5 f6 18.hxg6 hxg6 19.Nh4 Nf8 20.Rae1 Qc7 21.b3 Kh7 22.Kg2 
Bh6 23.Nxg6 Bxd2 24.Nxf8+ Rxf8 25.Qxd2 Kg7 26.Rh1 Kf7 27.Bg4 Ke8 28.Rh7 
Qd6 29.Reh1 Kd8 30.Qa5+ Qc7 31.Qxc7+ Rxc7 32.Rh8 Ng6 33.Rxf8+ Nxf8 34.Rh8 
Ke7 35.Bh5 a6 36.Rg8 b5 37.axb5 axb5 38.Rg7+ Kd6 39.Rxc7 Kxc7 40.Kh3 Ne6 
41.Kg4 Ng7 42.Bf7 Kd6 43.f4 Ke7 44.Bd5 exf4 45.gxf4 Kd6 46.Bg8 b4 47.Bc4 
Ke7 48.e5 fxe5 49.fxe5 Ne8 50.Kf5 Nc7 51.e6 Ne8 52.Ke5 Nc7 53.Bd5 Nb5 54.
Bc6 Na3 55.Kd5 Nxc2 56.Bb5 Ne3+ 57.Kxc5 Kxe6 58.Kxd4 Nc2+ 59.Kc5 Ke7 60.d4
1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "14"]
[White "Iglesias, Alfredo"]
[Black "Hernandez Onna, Roman"]
[Result "0-1"]
[ECO "A25"]
[EventDate "1970.07.15"]
[PlyCount "68"]

1.c4 e5 2.g3 Nc6 3.Bg2 g6 4.Nc3 Bg7 5.e3 d6 6.Nge2 h5 7.h4 Bg4 8.Nd5 Qd7 
9.b4 Nh6 10.b5 Nd8 11.f3 Be6 12.a4 c6 13.e4 f5 14.bxc6 bxc6 15.exf5 Nxf5 
16.Ne3 Nxe3 17.dxe3 O-O 18.Ba3 e4 19.Nd4 Bxc4 20.Rc1 exf3 21.Bxf3 Ba6 22.
Rxc6 Nxc6 23.Bxc6 Qc7 24.Nf3 Bc3+ 25.Kf2 Bb7 26.Bxb7 Qxb7 27.e4 Rf7 28.Bc1
Qxe4 29.Bf4 Rb8 30.Rf1 Rb2+ 31.Kg1 d5 32.Qc1 Qe2 33.Nd2 Rxd2 34.Bxd2 Bd4+ 
0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "14"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Yabra, Federico"]
[Result "1-0"]
[ECO "D13"]
[EventDate "1970.07.15"]
[PlyCount "49"]

1.d4 d5 2.Nf3 c6 3.c4 Nf6 4.Nc3 Bf5 5.cxd5 cxd5 6.Qb3 Bc8 7.Bf4 a6 8.Ne5 
e6 9.e3 Be7 10.Bd3 Nbd7 11.Rc1 Nxe5 12.Bxe5 Bd6 13.Bxd6 Qxd6 14.Na4 Nd7 
15.O-O O-O 16.Rc3 b5 17.Nc5 e5 18.Nxd7 Bxd7 19.Rc5 Be6 20.Qc3 exd4 21.exd4
Rac8 22.b4 Qf4 23.Re1 g6 24.Bf1 Rfe8 25.Rxe6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "14"]
[White "Moraza Choisme, Manuel"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "B57"]
[EventDate "1970.07.15"]
[PlyCount "89"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 a6 7.Nxc6 bxc6 8.e5 
Nd7 9.e6 fxe6 10.Bxe6 Nf6 11.Bb3 e6 12.Bg5 Be7 13.Bxf6 Bxf6 14.Qh5+ g6 15.
Qe2 Bxc3+ 16.bxc3 Qf6 17.O-O O-O 18.Qe3 d5 19.f4 a5 20.a4 Ba6 21.Rf3 Qe7 
22.Re1 Rf6 23.Kh1 Bb7 24.Rd1 Re8 25.Rf2 c5 26.Rfd2 Kf7 27.h3 Bc6 28.c4 d4 
29.Qg3 Qb7 30.Re1 Rf5 31.Rde2 Qb4 32.Qh4 h5 33.Kh2 d3 34.Re5 Qd2 35.Qg3 h4
36.Qg4 Rxf4 37.Qg5 Bxg2 38.Qxg2 Rf2 39.Rf1 Qf4+ 40.Kg1 Qxe5 41.Qxf2+ Ke7 
42.cxd3 Kd7 43.Bd1 g5 44.Bg4 Rf8 45.Qxf8 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "14"]
[White "Perez, Francisco Jose"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "E68"]
[EventDate "1970.07.15"]
[PlyCount "72"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.g3 d6 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 
9.Qc2 exd4 10.Nxd4 Qb6 11.Nde2 Re8 12.b3 Nc5 13.Be3 Ng4 14.Bd4 Bxd4 15.
Nxd4 a5 16.h3 Ne5 17.Rfe1 a4 18.Rab1 axb3 19.axb3 Bd7 20.b4 Ne6 21.Nxe6 
Bxe6 22.c5 dxc5 23.b5 cxb5 24.Rxb5 Qa6 25.Reb1 Nd7 26.Rxb7 Rab8 27.Rxb8 
Rxb8 28.Rxb8+ Nxb8 29.Nd5 Qa1+ 30.Kh2 Qd4 31.f4 Nc6 32.Qc3 Bxd5 33.Qxd4 
Nxd4 34.exd5 c4 35.d6 Kf8 36.f5 gxf5 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "14"]
[White "Ramirez, Percy"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1970.07.15"]
[PlyCount "93"]

1.Nf3 g6 2.e4 Bg7 3.d4 d6 4.Nc3 Nf6 5.Bg5 c6 6.Qd2 b5 7.Bd3 h6 8.Be3 Ng4 
9.Bf4 e5 10.Bg3 exd4 11.Ne2 a6 12.a4 b4 13.h3 Ne5 14.Nxe5 dxe5 15.Qxb4 Nd7
16.O-O c5 17.Qc4 Rb8 18.f4 O-O 19.fxe5 Rb4 20.Qd5 Bb7 21.Qa2 Nxe5 22.Nf4 
Bc6 23.Ne6 fxe6 24.Qxe6+ Kh7 25.Bxe5 Qe8 26.Qxe8 Rxe8 27.Bxg7 Kxg7 28.b3 
Bxe4 29.Rfe1 Bxd3 30.Rxe8 Bxc2 31.Rc8 Bxb3 32.Rxc5 Bxa4 33.Rd5 Bb5 34.Rd1 
d3 35.Kf2 Rb2+ 36.Kg3 Bc6 37.R5xd3 Rxg2+ 38.Kf4 g5+ 39.Ke5 Re2+ 40.Kd4 
Re4+ 41.Kc5 Bb5 42.Rd4 Re5+ 43.Kd6 Kf6 44.h4 Re7 45.hxg5+ hxg5 46.R1d2 Be2
47.Rb2 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "14"]
[White "Silva Sanchez, Carlos"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]
[ECO "C78"]
[EventDate "1970.07.15"]
[PlyCount "82"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bb7 7.Re1 Bc5 8.c3 Bb6
9.d4 d6 10.a3 O-O 11.Bg5 h6 12.Bh4 Re8 13.Bc2 Qe7 14.Qd3 Na5 15.Nbd2 c5 
16.d5 c4 17.Qe2 Bc8 18.Nf1 Bg4 19.h3 Bxf3 20.Qxf3 g5 21.Bg3 Rf8 22.Bh2 Ne8
23.Ng3 Ng7 24.Nf5 Nxf5 25.exf5 f6 26.Qh5 Qg7 27.g3 Kh7 28.Kg2 Nb7 29.h4 
gxh4 30.Re4 Qg5 31.Qxg5 h3+ 32.Kxh3 hxg5 33.f4 gxf4 34.gxf4 Nc5 35.Re2 Kg7
36.fxe5 Rh8+ 37.Kg2 dxe5 38.Bg1 Kf7 39.Kf1 Rh1 40.Rg2 Nd3 41.Bxd3 cxd3 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "14"]
[White "Villarroel, Geber"]
[Black "Lamas Baliero, Pedro"]
[Result "1-0"]
[ECO "B75"]
[EventDate "1970.07.15"]
[PlyCount "46"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 d6 7.Bc4 Nf6 8.f3 
Qa5 9.Bb3 O-O 10.Qd2 Nxd4 11.Bxd4 Be6 12.O-O-O Rfc8 13.Kb1 Bxb3 14.cxb3 
Qb4 15.h4 e5 16.Be3 Rc6 17.g4 Rac8 18.h5 a5 19.Bg5 b5 20.h6 Bh8 21.Bxf6 d5
22.Bxh8 f6 23.Qxd5+ Kxh8 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "14"]
[White "Yepez, Trotzky"]
[Black "Juarez, Carlos Eleodoro"]
[Result "0-1"]
[ECO "B48"]
[EventDate "1970.07.15"]
[PlyCount "62"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be3 Nc6 7.f4 d6 8.Be2 Nf6
9.Nb3 b5 10.Bf3 Bb7 11.O-O Be7 12.Qe1 O-O 13.Rd1 Rfd8 14.Qf2 Re8 15.g4 
Rac8 16.Rd2 Nd7 17.g5 Bf8 18.Ne2 b4 19.Nbd4 Nxd4 20.Bxd4 e5 21.fxe5 Nxe5 
22.Ng3 g6 23.h4 Bg7 24.Be2 Rf8 25.Qe3 Rfe8 26.Qb3 a5 27.c3 h6 28.h5 a4 29.
Qxb4 d5 30.hxg6 fxg6 31.Rdd1 Nc6 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "15"]
[White "Cobo Arteaga, Eldis"]
[Black "Silva Sanchez, Carlos"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1970.07.15"]
[PlyCount "65"]

1.g3 g6 2.Bg2 Bg7 3.d4 c5 4.d5 d6 5.e4 Nf6 6.Nc3 Na6 7.Nge2 Nc7 8.a4 Rb8 
9.O-O O-O 10.h3 b6 11.Be3 h6 12.Qd2 Kh7 13.f4 Nfe8 14.Rae1 e6 15.g4 e5 16.
g5 hxg5 17.fxg5 a6 18.Ng3 b5 19.axb5 Nxb5 20.Nd1 Nd4 21.c3 Nb3 22.Qe2 Bd7 
23.Rf2 Kg8 24.Kh2 Qc7 25.h4 c4 26.h5 Bc8 27.Ref1 Rb7 28.Bh3 Bxh3 29.Kxh3 
Nc5 30.Qxc4 Qd7+ 31.Kg2 Qg4 32.hxg6 fxg6 33.Bxc5 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "15"]
[White "Garcia Martinez, Silvino"]
[Black "Iglesias, Alfredo"]
[Result "1/2-1/2"]
[ECO "B93"]
[EventDate "1970.07.15"]
[PlyCount "43"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Nc6 8.Bc4 b5 
9.Bb3 Bg4 10.O-O Be7 11.Be3 O-O 12.Qe1 Bxf3 13.gxf3 Nh5 14.Nd5 Bh4 15.Qd2 
Na5 16.Bb6 Nxb3 17.axb3 Qd7 18.Be3 Bd8 19.Rad1 f5 20.Nc3 Nxf4 21.Qxd6 Qxd6
22.Rxd6 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "15"]
[White "Hernandez Onna, Roman"]
[Black "Villarroel, Geber"]
[Result "1-0"]
[ECO "E97"]
[EventDate "1970.07.15"]
[PlyCount "81"]

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.Nd2 Nd7 10.b4 f5 11.c5 Nf6 12.f3 Bh6 13.Nc4 Bxc1 14.Rxc1 a6 15.a4 Nh5 
16.a5 Nf4 17.g3 Nh3+ 18.Kg2 Ng5 19.Qd2 f4 20.g4 Nf7 21.Rg1 Kg7 22.Qe1 h5 
23.gxh5 g5 24.Qf2 Rh8 25.cxd6 cxd6 26.Nb6 Rb8 27.Kh1 Rxh5 28.b5 Ng6 29.
bxa6 bxa6 30.Nca4 Bb7 31.Rc2 Qe7 32.Qf1 Rbh8 33.Bxa6 Bxa6 34.Qxa6 Rh3 35.
Qf1 R8h4 36.a6 g4 37.Rxg4 Ng5 38.Nc8 Qf6 39.Rxh4 Nxh4 40.a7 Rxf3 41.Qe1 
1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "15"]
[White "Juarez, Carlos Eleodoro"]
[Black "Moraza Choisme, Manuel"]
[Result "1-0"]
[ECO "C12"]
[EventDate "1970.07.15"]
[PlyCount "78"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 
Kf8 9.Bc1 c5 10.Bd3 Qa5 11.Ne2 cxd4 12.h4 Nc6 13.Qf4 Bd7 14.Rh3 Nxc3 15.
Rf3 Ne4+ 16.Kf1 Be8 17.h5 Rc8 18.Rb1 Rc7 19.Rb3 Kg8 20.a3 a6 21.Rh3 Nc5 
22.Rg3 Nxd3 23.Rbxd3 Kh7 24.Rxg7+ Kxg7 25.Qf6+ Kf8 26.Qxh8+ Ke7 27.Bxh6 
Kd7 28.Bf8 Ne7 29.Nxd4 Qb6 30.Kg1 Qb1+ 31.Kh2 Qc1 32.Bh6 Qe1 33.Be3 Nc6 
34.Nf3 Qb1 35.h6 Qxc2 36.Rd2 Qf5 37.Qf6 Qh5+ 38.Qh4 Qxh4+ 39.Nxh4 Nxe5 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "15"]
[White "Lamas Baliero, Pedro"]
[Black "Hook, William"]
[Result "1-0"]
[ECO "C04"]
[EventDate "1970.07.15"]
[PlyCount "83"]

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.Bb5 f6 7.Nb3 Be7 8.exf6 
Bxf6 9.Bf4 O-O 10.Bg3 Ne7 11.c3 c6 12.Bd3 Nf5 13.O-O Nxg3 14.fxg3 e5 15.
Nxe5 Bxe5 16.Rxf8+ Qxf8 17.dxe5 Qe7 18.Qc2 Nxe5 19.Bxh7+ Kh8 20.Bg6 Qg5 
21.Re1 Qxg6 22.Qxg6 Nxg6 23.Re8+ Kh7 24.h4 b6 25.h5 Nh8 26.Nd4 Nf7 27.g4 
g6 28.Ne6 Kh6 29.Nc7 Rb8 30.Na6 Rb7 31.Rxc8 c5 32.Rc7 Rxc7 33.Nxc7 d4 34.
cxd4 cxd4 35.hxg6 Kxg6 36.Kf2 Ne5 37.Nb5 Nxg4+ 38.Kf3 Ne3 39.Nxd4 Nd1 40.
b3 Nc3 41.a4 Kg5 42.Nb5 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "15"]
[White "Li Chen, Samuel"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "D91"]
[EventDate "1970.07.15"]
[PlyCount "72"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.h4 
exd5 9.e3 O-O 10.Qf3 c6 11.Bd3 h6 12.Nh3 Qxh4 13.g3 Qf6 14.Qg2 h5 15.Kd2 
Na6 16.a3 Nc7 17.f3 c5 18.Nf4 cxd4 19.exd4 Qxd4 20.Kc2 Qf6 21.Nxh5 gxh5 
22.Rxh5 Re8 23.f4 Bd7 24.Rah1 Re3 25.Rg5 Rxd3 26.Kxd3 Bf5+ 27.Ke2 Ne6 28.
Rxg7+ Qxg7 29.Rh4 Rd8 30.Ke1 d4 31.Nd1 d3 32.Kd2 Nc5 33.g4 Nb3+ 34.Ke1 d2+
35.Kf1 Bd3+ 36.Kf2 Bc2 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "15"]
[White "Rodriguez, Jose"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "B23"]
[EventDate "1970.07.15"]
[PlyCount "93"]

1.e4 c5 2.Nc3 Nc6 3.f4 e6 4.Nf3 d5 5.Bb5 Nf6 6.e5 Nd7 7.Bxc6 bxc6 8.d3 Be7
9.O-O O-O 10.Qe1 Nb6 11.b3 f5 12.exf6 Bxf6 13.Ba3 Nd7 14.Rd1 Kh8 15.Na4 
Be7 16.Qe3 d4 17.Qxe6 Nf6 18.Qe2 Nd5 19.Ne5 Bd6 20.Bc1 Qh4 21.g3 Qh3 22.
Rde1 Bxe5 23.Qxe5 Bd7 24.Nxc5 Rae8 25.Qxd4 Bg4 26.Rxe8 Rxe8 27.Ne4 Qh5 28.
Bb2 Re7 29.Qf2 h6 30.Bd4 a5 31.a4 Re8 32.Be5 Kg8 33.Qa7 Re7 34.Qf2 Kh7 35.
Re1 Re8 36.Qa7 Re7 37.Qf2 Bf3 38.Nd2 Bg4 39.Bd4 Rxe1+ 40.Qxe1 Bd1 41.Qe4+ 
Kh8 42.c4 Nb4 43.Qe7 Qg6 44.Ne4 Bxb3 45.h3 Nxd3 46.f5 Qh7 47.Nf6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "15"]
[White "Rodriguez Vargas, Orestes"]
[Black "Yepez, Trotzky"]
[Result "1/2-1/2"]
[ECO "E91"]
[EventDate "1970.07.15"]
[PlyCount "39"]

1.Nf3 Nf6 2.c4 d6 3.d4 g6 4.Nc3 Bg7 5.e4 O-O 6.Be2 c6 7.O-O Nbd7 8.d5 Nc5 
9.Qc2 cxd5 10.cxd5 Bd7 11.Be3 Rc8 12.Qb1 a6 13.Nd4 e5 14.dxe6 fxe6 15.Rd1 
Qe7 16.Bg5 Qf7 17.Nf3 Bc6 18.e5 Nfe4 19.Be3 Nxc3 20.bxc3 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "15"]
[White "Yabra, Federico"]
[Black "Ramirez, Percy"]
[Result "0-1"]
[ECO "D04"]
[EventDate "1970.07.15"]
[PlyCount "76"]

1.d4 d5 2.Nf3 Nf6 3.e3 c5 4.Bd3 Nc6 5.c3 Bg4 6.h3 Bh5 7.Nbd2 e6 8.O-O Rc8 
9.Qe2 Be7 10.Rd1 cxd4 11.exd4 O-O 12.Nf1 Na5 13.Ng3 Bg6 14.Bxg6 hxg6 15.
Ne5 Qb6 16.h4 Nc4 17.f4 Rc7 18.h5 gxh5 19.Nxh5 Rfc8 20.Rd3 g6 21.Nxf6+ 
Bxf6 22.Rh3 Re8 23.g4 Nd6 24.Qh2 Ne4 25.Rh7 Rec8 26.Be3 Ng5 27.fxg5 Bxe5 
28.Bf4 Bxd4+ 29.Kh1 Bg7 30.Rxg7+ Kxg7 31.Qh6+ Kg8 32.Be5 f6 33.Qxg6+ Rg7 
34.Qxf6 Rh7+ 35.Kg2 Qxb2+ 36.Kg3 Qh2+ 37.Kf3 Rh3+ 38.Bg3 Rxg3+ 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "16"]
[White "Hook, William"]
[Black "Hernandez Onna, Roman"]
[Result "1/2-1/2"]
[ECO "A05"]
[EventDate "1970.07.15"]
[PlyCount "82"]

1.Nf3 Nf6 2.g3 b5 3.Bg2 Bb7 4.O-O e6 5.d3 c5 6.e4 d6 7.Nc3 b4 8.Ne2 Be7 9.
Nd2 Nc6 10.Nc4 O-O 11.Nf4 Ne5 12.Ne3 Kh8 13.h4 a5 14.Nh3 Nc6 15.f4 Nd4 16.
c3 bxc3 17.bxc3 Nb5 18.a4 Na7 19.g4 Ng8 20.g5 f5 21.Rb1 Bc6 22.Nc4 Qe8 23.
Nxa5 Bxa4 24.Qe1 Nc6 25.Nxc6 Bxc6 26.c4 Ra2 27.Bb2 fxe4 28.dxe4 Bd8 29.Rf2
Ra6 30.Qc3 Ra7 31.Ra1 Rxa1+ 32.Bxa1 Rf7 33.h5 h6 34.Qg3 Ra7 35.Bb2 Qxh5 
36.Bf3 Qe8 37.Rg2 Qf8 38.gxh6 Nxh6 39.Qg6 e5 40.Ng5 Bxg5 41.fxg5 Be8 
1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "16"]
[White "Iglesias, Alfredo"]
[Black "Yabra, Federico"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1970.07.15"]
[PlyCount "66"]

1.g3 c5 2.Bg2 g6 3.d4 cxd4 4.Qxd4 Nf6 5.e4 Nc6 6.Qa4 Bg7 7.Ne2 O-O 8.O-O 
d6 9.c3 Bd7 10.Qc2 Rc8 11.h3 Qc7 12.Be3 Ne5 13.Nd2 Bb5 14.c4 Bxc4 15.Rfc1 
Qd7 16.Nxc4 Nxc4 17.Bd4 Ne3 18.Qd3 Nxg2 19.Kxg2 a6 20.Rxc8 Rxc8 21.Rc1 
Rxc1 22.Nxc1 Qc6 23.Bxf6 Bxf6 24.Qb1 Bg7 25.Kg1 f5 26.exf5 gxf5 27.Ne2 Qe4
28.Qd1 Be5 29.Qd2 Qb1+ 30.Kg2 Qxb2 31.Qg5+ Kf8 32.Qxf5+ Bf6 33.Nf4 Qxa2 
1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "16"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Juarez, Carlos Eleodoro"]
[Result "1-0"]
[ECO "D55"]
[EventDate "1970.07.15"]
[PlyCount "111"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bg5 O-O 6.e3 h6 7.Bxf6 Bxf6 8.Rc1 c6
9.cxd5 cxd5 10.Bd3 Nc6 11.O-O Bd7 12.Qe2 Qe7 13.Rfd1 Rfd8 14.e4 dxe4 15.
Qxe4 g6 16.Qf4 Bg7 17.d5 e5 18.Qe3 Nb4 19.Bc4 Be8 20.Ne4 b5 21.Bb3 a5 22.
a3 Na6 23.d6 Qa7 24.Nc5 Nxc5 25.Rxc5 Bf8 26.Qxe5 Qb6 27.Rcd5 a4 28.Ba2 Bg7
29.Qf4 Bc6 30.Qxf7+ Kh8 31.Nh4 Rf8 32.Nxg6+ Kh7 33.Nxf8+ Rxf8 34.Qxf8 Bxf8
35.Rf5 Qd8 36.d7 Bg7 37.Rc5 Bxd7 38.Rcd5 Qf6 39.Rxd7 Qxb2 40.Bb1+ Kg8 41.
Bd3 Qxa3 42.Bxb5 Qb4 43.Bc6 a3 44.Bd5+ Kh7 45.g3 h5 46.h4 Kh6 47.Rc1 Bc3 
48.Rc7 Bf6 49.Rf7 Bc3 50.Rc7 Bf6 51.Ba2 Be7 52.R1c6+ Bd6 53.Re7 Kg6 54.
Rxd6+ Kf5 55.Rf7+ Kg4 56.Rf4+ 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "16"]
[White "Perez, Francisco Jose"]
[Black "Lamas Baliero, Pedro"]
[Result "1/2-1/2"]
[ECO "A53"]
[EventDate "1970.07.15"]
[PlyCount "105"]

1.d4 Nf6 2.c4 d6 3.Nc3 c6 4.Nf3 Qc7 5.e4 e5 6.Be2 Bg4 7.d5 Be7 8.O-O O-O 
9.Ne1 Bxe2 10.Qxe2 cxd5 11.cxd5 Nbd7 12.Be3 a6 13.Nd3 Rac8 14.Rfc1 Qd8 15.
a4 Ne8 16.Qg4 Ndf6 17.Qf3 g6 18.Kh1 Ng7 19.g4 Nd7 20.Rg1 Bg5 21.Raf1 Kh8 
22.Rg3 Qf6 23.Qe2 Bf4 24.g5 Qe7 25.Bxf4 exf4 26.Nxf4 f6 27.Rh3 Ne5 28.gxf6
Qxf6 29.Ng2 Nf3 30.Ne1 Ng5 31.Re3 Nh5 32.h4 Nf7 33.Ng2 Ne5 34.f4 Nc4 35.
Ref3 Qd4 36.Rd3 Qb6 37.Rf2 Ne5 38.Re3 Nc4 39.Rh3 Qd4 40.Rd3 Qf6 41.Rdf3 
Qd4 42.Kh2 Nf6 43.Kh1 Rce8 44.Rd3 Qc5 45.Rf1 Nb6 46.Qf3 Nbd7 47.Re3 Nh5 
48.Qd1 Nxf4 49.Ref3 Nxg2 50.Rxf8+ Rxf8 51.Rxf8+ Nxf8 52.Qf3 Kg7 53.Kxg2 
1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "16"]
[White "Ramirez, Percy"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "B34"]
[EventDate "1970.07.15"]
[PlyCount "83"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 d6 7.Bc4 a6 8.Nd5 
Nf6 9.Nxc6 bxc6 10.Bb6 Qd7 11.Nc7+ Kf8 12.Nxa8 Qb7 13.O-O Qxa8 14.Re1 Qb8 
15.Bd4 Nd7 16.Qf3 f6 17.Rad1 e5 18.Be3 Ke7 19.Rd2 Rd8 20.Qh3 Nf8 21.Qh4 g5
22.Qh5 Be6 23.Bxe6 Kxe6 24.h4 h6 25.Red1 d5 26.Qg4+ Kd6 27.exd5 c5 28.Qa4 
Qb5 29.Qa3 f5 30.Rd3 Qb6 31.Rb3 Qa7 32.Qa5 Kd7 33.Bxc5 Qa8 34.Qb6 Ke8 35.
Bxf8 Kxf8 36.Qc7 Qc8 37.Qxc8 Rxc8 38.d6 Kf7 39.Rb7+ Kf8 40.c4 Bf6 41.d7 
Rd8 42.c5 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "16"]
[White "Rodriguez Vargas, Orestes"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "E67"]
[EventDate "1970.07.15"]
[PlyCount "76"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 d6 6.Nf3 Nbd7 7.O-O e5 8.e3 c6 
9.b3 Re8 10.Bb2 e4 11.Nd2 d5 12.f3 exf3 13.Qxf3 Nb6 14.c5 Bg4 15.Qf2 Nbd7 
16.h3 Be6 17.e4 dxe4 18.Ndxe4 Nxe4 19.Nxe4 Rf8 20.Nd6 Nf6 21.Nxb7 Qd7 22.
Na5 Bd5 23.Nc4 Bxg2 24.Qxg2 Nd5 25.Rae1 f5 26.Ne5 Bxe5 27.dxe5 Qe6 28.Kh2 
a5 29.Qd2 Rf7 30.Rf3 h5 31.Re2 h4 32.Rg2 Rh7 33.gxh4 Kf7 34.Rfg3 Rg8 35.
Qg5 Ne7 36.Rd3 Nd5 37.Rdg3 Ne7 38.Rd3 Nd5 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "16"]
[White "Silva Sanchez, Carlos"]
[Black "Rodriguez, Jose"]
[Result "1/2-1/2"]
[ECO "C41"]
[EventDate "1970.07.15"]
[PlyCount "213"]

1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 g6 5.Nc3 Bg7 6.Bc4 Nf6 7.Bg5 O-O 8.Qd2 
Nc6 9.Nxc6 bxc6 10.O-O-O Qe8 11.Rhe1 Qe5 12.Kb1 Rb8 13.Bb3 Qc5 14.Be3 Qb4 
15.Bxa7 Ra8 16.Bd4 Qa5 17.e5 Ne8 18.exd6 Nxd6 19.Bxg7 Kxg7 20.Qd4+ Kg8 21.
Re5 Qa7 22.Qxa7 Rxa7 23.Re7 Rb7 24.a4 Kg7 25.Re5 Bf5 26.Kc1 Rfb8 27.Rc5 
Rb6 28.a5 Ra6 29.Bc4 Nxc4 30.Rxc4 Rxa5 31.Rxc6 Ra1+ 32.Nb1 Ra7 33.Rd4 Re8 
34.Nc3 Ra1+ 35.Kd2 Rf1 36.Nd1 Re7 37.Rc3 h5 38.Re3 Be6 39.b4 Re8 40.Rc3 
Re7 41.Re3 Rh1 42.h4 Kf8 43.Re1 Rxe1 44.Kxe1 Re8 45.Kd2 c5 46.bxc5 Rc8 47.
c4 Rxc5 48.Kc3 Rc8 49.Ne3 Ke7 50.Nd5+ Kf8 51.g3 Bg4 52.Rd2 Be6 53.Kd4 Bxd5
54.cxd5 Ke7 55.Ra2 Rc1 56.Ra7+ Kf6 57.Ra3 Ke7 58.Ke5 Re1+ 59.Re3 Rd1 60.f4
f6+ 61.Ke4 Kd6 62.Ra3 Re1+ 63.Kf3 Kxd5 64.Ra6 Re6 65.Ra5+ Kd6 66.f5 gxf5 
67.Rxf5 Ke7 68.Rxh5 Kf7 69.Ra5 Kg6 70.Kf4 Re1 71.h5+ Kh6 72.g4 Rf1+ 73.Ke4
Rf2 74.Rf5 Re2+ 75.Kf3 Re6 76.Kf4 Ra6 77.Rb5 Ra1 78.Rb8 Rf1+ 79.Ke4 Kg7 
80.Rb7+ Kh6 81.Rb8 Kg7 82.Rb3 Re1+ 83.Kf4 Rf1+ 84.Rf3 Ra1 85.Re3 Rf1+ 86.
Rf3 Ra1 87.Kg3 Rg1+ 88.Kh3 Ra1 89.Rf4 Ra3+ 90.Kh4 Ra1 91.Rb4 Ra3 92.Rb7+ 
Kh6 93.Rc7 Rb3 94.Rc8 Kg7 95.Rc6 Ra3 96.Rc1 Kh6 97.Rc7 Rb3 98.Rf7 Rf3 99.
Rf8 Kg7 100.Ra8 Rb3 101.Ra5 Rc3 102.Rf5 Ra3 103.h6+ Kxh6 104.Rxf6+ Kg7 
105.Kg5 Ra5+ 106.Rf5 Ra7 107.Rb5 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "16"]
[White "Villarroel, Geber"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "B82"]
[EventDate "1970.07.15"]
[PlyCount "32"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3 a6 7.f4 b5 8.Bd3 Bb7 
9.Qf3 Nbd7 10.O-O Nc5 11.a3 Be7 12.Rae1 Rc8 13.Bf2 d5 14.e5 Nfe4 15.Bxe4 
Nxe4 16.Nxe4 dxe4 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "16"]
[White "Yepez, Trotzky"]
[Black "Moraza Choisme, Manuel"]
[Result "0-1"]
[ECO "E29"]
[EventDate "1970.07.15"]
[PlyCount "86"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.a3 Bxc3+ 6.bxc3 O-O 7.Bd3 Nc6 8.Nf3 
d6 9.Nd2 b6 10.O-O Ba6 11.Bb2 Na5 12.Qe2 e5 13.Rfd1 Qe7 14.e4 Rac8 15.d5 
Rc7 16.Nf1 g6 17.Ne3 Kh8 18.Rf1 Nh5 19.g3 Ng7 20.Ng2 f5 21.f3 Qd7 22.a4 
Qe7 23.Ra3 Qe8 24.Raa1 fxe4 25.fxe4 Bc8 26.Rxf8+ Qxf8 27.Qf1 Rf7 28.Qe2 
Nh5 29.Rf1 Rxf1+ 30.Qxf1 Qxf1+ 31.Bxf1 Bd7 32.Bc1 Bxa4 33.Bg5 Bc2 34.Be7 
Nb7 35.Ne1 Bxe4 36.Bd3 Bxd3 37.Nxd3 Kg7 38.Nf2 Kf7 39.Bg5 Nf6 40.Kf1 Na5 
41.Ke2 Nxc4 42.Kd3 Na5 43.c4 Nb3 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "17"]
[White "Cobo Arteaga, Eldis"]
[Black "Yepez, Trotzky"]
[Result "1-0"]
[ECO "D94"]
[EventDate "1970.07.15"]
[PlyCount "61"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd2 dxc4 7.Bxc4 Nbd7 8.Rc1 
c5 9.O-O cxd4 10.exd4 Nb6 11.Bb3 Ne8 12.h3 Nd6 13.Bf4 Kh8 14.Qe2 f6 15.
Rfe1 g5 16.Bh2 g4 17.Nh4 gxh3 18.Qh5 Qe8 19.Qxe8 Nxe8 20.Rxe7 Bh6 21.Rce1 
Ng7 22.Nb5 Nf5 23.Nxf5 Bxf5 24.Nd6 Bg6 25.gxh3 Bd2 26.R1e2 Bb4 27.Rxb7 
Rfd8 28.Nf7+ Bxf7 29.Rxf7 Rf8 30.Rxf8+ Rxf8 31.Re6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "17"]
[White "Garcia Martinez, Silvino"]
[Black "Hook, William"]
[Result "1/2-1/2"]
[ECO "E63"]
[EventDate "1970.07.15"]
[PlyCount "39"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O Nc6 7.d4 a6 8.h3 Rb8 
9.Be3 Nd7 10.Rc1 e5 11.Qd2 Re8 12.dxe5 Ndxe5 13.Nxe5 Nxe5 14.Nd5 Be6 15.
Rfd1 b5 16.cxb5 axb5 17.b3 c5 18.Nf4 Bf8 19.Nxe6 fxe6 20.Bf4 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "17"]
[White "Hernandez Onna, Roman"]
[Black "Perez, Francisco Jose"]
[Result "1/2-1/2"]
[ECO "E85"]
[EventDate "1970.07.15"]
[PlyCount "37"]

1.d4 Nf6 2.c4 d6 3.Nc3 g6 4.e4 Bg7 5.f3 O-O 6.Be3 e5 7.Nge2 exd4 8.Nxd4 
Bd7 9.Be2 Nc6 10.O-O Qe7 11.Ndb5 Ne8 12.c5 Be6 13.cxd6 cxd6 14.Qd2 a6 15.
Nd4 Nf6 16.Bg5 Nxd4 17.Qxd4 h6 18.Bh4 g5 19.Bg3 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "17"]
[White "Juarez, Carlos Eleodoro"]
[Black "Ramirez, Percy"]
[Result "1-0"]
[ECO "C99"]
[EventDate "1970.07.15"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Bb7 14.Nf1 Rac8 15.Bb1 
Rfe8 16.d5 h6 17.g4 Nh7 18.Ng3 Ng5 19.Kg2 Nc4 20.Nf5 Nxf3 21.Nxe7+ Qxe7 
22.Qxf3 Rc7 23.Bd3 Bc8 24.Qg3 Nb6 25.g5 h5 26.f4 Nd7 27.f5 g6 28.b4 Nb6 
29.Kh2 Rf8 30.Qh4 Re8 31.Rg1 Qf8 32.Rf1 Qg7 33.Qf2 Nc4 34.f6 Qf8 35.a4 Bd7
36.Rg1 Rb8 37.Qh4 Qc8 38.Be2 Kf8 39.Bxh5 gxh5 40.Qxh5 Rb6 1-0

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "17"]
[White "Lamas Baliero, Pedro"]
[Black "Silva Sanchez, Carlos"]
[Result "0-1"]
[ECO "A43"]
[EventDate "1970.07.15"]
[PlyCount "62"]

1.d4 c5 2.d5 f5 3.c4 g6 4.Nc3 Bg7 5.Nf3 d6 6.g3 Na6 7.Bg2 Nc7 8.a4 Rb8 9.
O-O Nh6 10.Ne1 O-O 11.h3 Nf7 12.f4 a6 13.a5 b5 14.axb6 Rxb6 15.Nd3 e5 16.
dxe6 Bxe6 17.Qa4 Re8 18.Re1 h5 19.Bd2 h4 20.Nd5 Bxd5 21.Bxd5 Nxd5 22.cxd5 
Rb8 23.e4 Bd4+ 24.Be3 Rxe4 25.Bxd4 Rxd4 26.Qxa6 hxg3 27.Ra4 c4 28.Rxc4 
Rxd3 29.Rec1 Qb6+ 30.Qxb6 Rxb6 31.Rc8+ Kg7 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "17"]
[White "Li Chen, Samuel"]
[Black "Iglesias, Alfredo"]
[Result "0-1"]
[ECO "B30"]
[EventDate "1970.07.15"]
[PlyCount "83"]

1.e4 c5 2.Nc3 Nc6 3.Nf3 d6 4.d3 Nf6 5.Be2 g6 6.Bg5 Bg7 7.O-O h6 8.Bh4 g5 
9.Bg3 Nh5 10.Qd2 e5 11.a3 Be6 12.Rae1 Nf4 13.Kh1 h5 14.Bd1 g4 15.Bxf4 gxf3
16.Be3 fxg2+ 17.Kxg2 Nd4 18.Nd5 Qd7 19.Kh1 O-O-O 20.c3 Bxd5 21.exd5 Nf5 
22.b4 Rdg8 23.bxc5 dxc5 24.c4 Bf8 25.Rg1 h4 26.Bg5 Rg6 27.Rxe5 Nd4 28.Bg4 
f5 29.Bd1 Bd6 30.Ree1 Qc7 31.f4 h3 32.Rgf1 Kb8 33.Ba4 Rgg8 34.Rf2 a6 35.
Bf6 Rh6 36.Be5 Rhg6 37.Qe3 Ka7 38.Rb2 Bxe5 39.fxe5 Qg7 40.Bd1 f4 41.Qf2 
Rg2 42.d6 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "17"]
[White "Moraza Choisme, Manuel"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "B33"]
[EventDate "1970.07.15"]
[PlyCount "26"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
b5 9.Nd5 Qa5+ 10.Bd2 Qd8 11.Bg5 Qa5+ 12.Bd2 Qd8 13.Bg5 Qa5+ 1/2-1/2

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "17"]
[White "Rodriguez, Jose"]
[Black "Rodriguez Vargas, Orestes"]
[Result "0-1"]
[ECO "B30"]
[EventDate "1970.07.15"]
[PlyCount "102"]

1.e4 c5 2.Nf3 Nc6 3.Nc3 d6 4.g3 g6 5.Bg2 Bg7 6.d3 Nf6 7.O-O O-O 8.h3 Bd7 
9.Be3 e5 10.Kh2 Nd4 11.Ne2 Bc6 12.Neg1 Qe7 13.c4 b5 14.b3 bxc4 15.bxc4 
Rfb8 16.Rb1 Rb6 17.Nxd4 exd4 18.Bg5 Rab8 19.Rxb6 Rxb6 20.Qd2 Qb7 21.Nf3 
Ne8 22.Bh6 Rb2 23.Qf4 Qe7 24.Bxg7 Kxg7 25.Kg1 Nc7 26.Ra1 Rc2 27.g4 Ne6 28.
Qg3 g5 29.h4 h6 30.hxg5 hxg5 31.Bf1 Rb2 32.Ne1 a5 33.Ng2 Qf6 34.a3 Ba4 35.
Re1 Qe5 36.Qf3 Bb3 37.Be2 a4 38.Ra1 Nd8 39.Bf1 Nc6 40.Qh3 Qf6 41.Qg3 Ne5 
42.f4 Ng6 43.fxg5 Qxg5 44.Re1 Qe5 45.Qh3 Qg5 46.Re2 Rb1 47.Rf2 Bd1 48.Qg3 
Rb6 49.Rf5 Qxg4 50.Qf2 Ne5 51.Qf4 Nf3+ 0-1

[Event "7th Pan-American ch"]
[Site "Havana CUB"]
[Date "1970.??.??"]
[Round "17"]
[White "Yabra, Federico"]
[Black "Villarroel, Geber"]
[Result "1/2-1/2"]
[ECO "A47"]
[EventDate "1970.07.15"]
[PlyCount "26"]

1.d4 Nf6 2.Nf3 e6 3.e3 b6 4.Nbd2 Bb7 5.Bd3 d5 6.O-O Be7 7.c3 O-O 8.Re1 
Nbd7 9.e4 Nxe4 10.Nxe4 dxe4 11.Bxe4 Bxe4 12.Rxe4 Nf6 13.Re1 c5 1/2-1/2

