[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "1"]
[White "Ader Hausman, Walter"]
[Black "Del Pozo, Nestor"]
[Result "1/2-1/2"]
[ECO "B37"]
[EventDate "1958.01.20"]
[PlyCount "54"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 Nc6 4.d4 cxd4 5.Nxd4 g6 6.e4 Bg7 7.Nc2 O-O 8.Be2 
b6 9.O-O Ba6 10.Be3 Rc8 11.f4 d6 12.Qe1 Na5 13.b3 e6 14.Rd1 Qe7 15.Bf3 
Rfd8 16.Rf2 Bb7 17.Bc1 Ne8 18.g3 Ba8 19.Ba3 a6 20.e5 Bxf3 21.Rxf3 Qc7 22.
exd6 Nxd6 23.Rfd3 Ndb7 24.Ne4 Rxd3 25.Rxd3 Rd8 26.Qd2 Rxd3 27.Qxd3 Nc6 
1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "1"]
[White "Cuellar Gacharna, Miguel"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B67"]
[EventDate "1958.01.20"]
[PlyCount "83"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
Bd7 9.f4 h6 10.Bh4 Rc8 11.Be2 Nxe4 12.Nxe4 Qxh4 13.Nf3 Qe7 14.Rhe1 d5 15.
Nc3 Qb4 16.a3 Qa5 17.Nxd5 Qxd2+ 18.Rxd2 exd5 19.Bxa6+ Kd8 20.Bxb7 Rc7 21.
Ba6 Bd6 22.g3 Ne7 23.Ne5 Bxe5 24.Rxe5 Re8 25.b4 Ra7 26.b5 Kc7 27.c4 f6 28.
Re3 dxc4 29.Re4 Kb6 30.a4 Rc7 31.Rd6+ Kc5 32.Rdd4 Nd5 33.Rxc4+ Kb6 34.Kb2 
Rxc4 35.Rxc4 Ka5 36.Bb7 Nb6 37.Rc7 Kxa4 38.Bc6 Rd8 39.Kc2 Kb4 40.Kb2 f5 
41.h3 h5 42.Kc2 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "1"]
[White "Cuellar Jimenez, Alfredo"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "C63"]
[EventDate "1958.01.20"]
[PlyCount "70"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.exf5 e4 5.Qe2 Qe7 6.Bxc6 dxc6 7.Nd4 Qe5 8.Ne6
Bxe6 9.fxe6 Bd6 10.Nc3 Nf6 11.b3 O-O-O 12.Bb2 Rde8 13.O-O-O Rxe6 14.Rde1 
Qf5 15.Kb1 Rhe8 16.h3 Bc5 17.Rhf1 b5 18.Nd1 Qg6 19.Ne3 a6 20.g4 Nd5 21.Ng2
Qf7 22.h4 Qf8 23.g5 Ba3 24.Qg4 Bxb2 25.Kxb2 Kb7 26.f3 Qc5 27.c3 exf3 28.
Rxe6 fxg2 29.Rxe8 gxf1=Q 30.Qc8+ Kb6 31.Qb8+ Ka5 32.b4+ Nxb4 33.Qxc7+ Ka4 
34.Re4 a5 35.Qc8 Qxc3+ 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "1"]
[White "Gutierrez Mangel, Joaquin"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "C64"]
[EventDate "1958.01.20"]
[PlyCount "122"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Bd2 Nxe4 8.
Bxb4 Nxb4 9.Qe2 O-O 10.Qxe4 Re8 11.Ne5 c6 12.a3 d6 13.O-O dxe5 14.dxe5 Qd5
15.Qxb4 Qxb5 16.Qxb5 cxb5 17.f4 Bd7 18.Nc3 Bc6 19.Rad1 Rad8 20.Rxd8 Rxd8 
21.Rd1 Re8 22.Kf2 f6 23.exf6 gxf6 24.g3 Kf7 25.Rd4 a5 26.Nd1 h5 27.Ne3 Kg6
28.h3 Re7 29.Rd6 Rc7 30.f5+ Kf7 31.Rd4 Be8 32.Rd2 Rc5 33.Rc2 b6 34.b4 axb4
35.axb4 Re5 36.Rc7+ Kf8 37.Kf3 Bf7 38.Kf4 Re8 39.Rc6 Rd8 40.Rxf6 Rd4+ 41.
Ke5 Rxb4 42.g4 Rb3 43.Kf4 Rb4+ 44.Kf3 hxg4+ 45.hxg4 Rd4 46.g5 Kg7 47.Rxb6 
Bh5+ 48.Kg3 Re4 49.Kf2 Rf4+ 50.Kg3 Re4 51.Kf2 Rf4+ 52.Ke1 b4 53.Rb7+ Kf8 
54.Rb8+ Kg7 55.Rb7+ Kf8 56.Kd2 Rd4+ 57.Kc2 Bf3 58.Rb8+ Kg7 59.Rc8 Be4+ 60.
Kb2 Rd2+ 61.Kc1 Re2 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "1"]
[White "Lombardy, William James"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1958.01.20"]
[PlyCount "51"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 c6 4.O-O Nbd7 5.d3 e6 6.Nbd2 Bc5 7.e4 dxe4 8.dxe4 
Qc7 9.Qe2 e5 10.b3 O-O 11.Bb2 Ne8 12.Rad1 b5 13.Nh4 g6 14.Kh1 Be7 15.Nhf3 
Bf6 16.Ba3 c5 17.Qxb5 Nd6 18.Qd3 Rd8 19.Nb1 Nf8 20.Nc3 Qa5 21.Nd5 Bg7 22.
Bb2 Ba6 23.c4 Bb7 24.Bc3 Qxa2 25.Ra1 Qxb3 26.Nd2 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "1"]
[White "Martin, Pedro"]
[Black "Denis, Francisco"]
[Result "1-0"]
[ECO "D35"]
[EventDate "1958.01.20"]
[PlyCount "63"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Nbd7 6.e3 Be7 7.Nf3 O-O 8.Qc2 
h6 9.Bf4 c6 10.h3 Ne8 11.Bd3 Bd6 12.Ne2 Bxf4 13.Nxf4 Ndf6 14.O-O-O Nd6 15.
g4 Nfe4 16.Rdg1 g6 17.h4 Qa5 18.Kb1 Be6 19.Ne5 c5 20.Bxe4 Nxe4 21.Nxe6 
fxe6 22.f3 cxd4 23.fxe4 Rac8 24.Qb3 dxe3 25.exd5 Qd2 26.dxe6 Rf2 27.e7+ 
Kg7 28.Rd1 Qc2+ 29.Qxc2 Rcxc2 30.Nd3 e2 31.e8=Q Rxb2+ 32.Nxb2 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "1"]
[White "Medina Garcia, Antonio Angel"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "B41"]
[EventDate "1958.01.20"]
[PlyCount "69"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Be2 Nf6 6.Nc3 Bb4 7.Qd3 d5 8.e5 Ne4
9.O-O Bxc3 10.bxc3 Qa5 11.Bf3 Nd7 12.Nb3 Qc7 13.Bxe4 dxe4 14.Qg3 Qxe5 15.
f4 Qf6 16.Ba3 Qg6 17.Qe3 f5 18.Rad1 Kf7 19.Na5 Kg8 20.Nxb7 h6 21.Na5 Kh7 
22.Nc6 Nf6 23.Ne5 Qe8 24.c4 Bd7 25.Rd6 Ba4 26.Qb6 Rb8 27.Qxa6 Ra8 28.Qb6 
Bxc2 29.Rxe6 Qd8 30.Qe3 Re8 31.Rd6 Qa5 32.Bb2 Qxa2 33.Qg3 Qxb2 34.Qg6+ Kg8
35.Qf7+ 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "1"]
[White "Perez, Jaime"]
[Black "Davila, Edmundo"]
[Result "0-1"]
[ECO "A03"]
[EventDate "1958.01.20"]
[PlyCount "64"]

1.f4 d5 2.Nf3 Nf6 3.e3 g6 4.b3 Bg7 5.Bb2 O-O 6.Be2 c5 7.d3 Nc6 8.O-O d4 9.
e4 Qc7 10.Bc1 e5 11.Nxe5 Nxe5 12.fxe5 Nd7 13.Nd2 Nxe5 14.Nf3 Bd7 15.Nh4 b5
16.Bd2 c4 17.dxc4 bxc4 18.Rc1 Bc6 19.Nf3 d3 20.cxd3 cxd3 21.Nd4 dxe2 22.
Qxe2 Qb7 23.Bf4 Qb6 24.Be3 Qb7 25.Bf4 Rac8 26.Rcd1 Rcd8 27.Kh1 Rxd4 28.
Rxd4 Bb5 29.Qd1 Bxf1 30.Qxf1 Ng4 31.Ra4 Rd8 32.Bg3 Ne3 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "1"]
[White "Sanchez, Frank"]
[Black "Munoz, Francisco"]
[Result "1/2-1/2"]
[ECO "E71"]
[EventDate "1958.01.20"]
[PlyCount "57"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 e5 6.dxe5 dxe5 7.Qxd8+ Kxd8 8.Bg5 
c6 9.Nf3 Nd7 10.Rd1 Kc7 11.Be3 Re8 12.Be2 h6 13.O-O Nh5 14.g3 Nf8 15.Kh2 
Ne6 16.b4 Nf6 17.c5 Nd7 18.Bc4 b5 19.Bxe6 Rxe6 20.Nd2 a5 21.a3 axb4 22.
axb4 Ra3 23.Ne2 f5 24.Ra1 Rxa1 25.Rxa1 Nf6 26.Ra7+ Bb7 27.f3 Re8 28.Ra3 
Rd8 29.Kg2 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "1"]
[White "Sanchez, Luis Augusto"]
[Black "Humerez, Cidar"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1958.01.20"]
[PlyCount "80"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Nbd7 6.e3 Be7 7.Bd3 O-O 8.Nf3 
c6 9.Qc2 Re8 10.O-O Nf8 11.Ne5 Ng4 12.Bxe7 Qxe7 13.Nxg4 Bxg4 14.Rae1 Bh5 
15.f4 f6 16.Qf2 Rad8 17.a3 Qd7 18.h3 f5 19.b4 Re7 20.Rc1 Be8 21.Rfe1 g6 
22.Qb2 Qd6 23.b5 Bd7 24.Qb4 Qf6 25.bxc6 bxc6 26.Nd1 Rde8 27.Rf1 Ne6 28.Qd6
Kf7 29.Rb1 Nd8 30.Qxf6+ Kxf6 31.Rf2 Nf7 32.Rb7 Bc8 33.Rb8 Rb7 34.Rb2 Rxb2 
35.Nxb2 Nd6 36.Kf2 Bb7 37.Rxe8 Nxe8 38.Na4 Nd6 39.Nc5 Bc8 40.Ke1 h6 
1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "2"]
[White "Bisguier, Arthur Bernard"]
[Black "Ader Hausman, Walter"]
[Result "1-0"]
[ECO "B07"]
[EventDate "1958.01.20"]
[PlyCount "69"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5 Bg7 5.f4 c5 6.e5 Ng4 7.Bb5+ Nc6 8.d5 a6 9.
dxc6 axb5 10.cxb7 Bxb7 11.Qxg4 b4 12.Nce2 dxe5 13.fxe5 Bxe5 14.c3 f5 15.
Qh3 Qa5 16.Bd2 O-O-O 17.Nf3 Rd3 18.cxb4 cxb4 19.Qh4 Rhd8 20.Bxb4 Qd5 21.
Rc1+ Kb8 22.O-O Bxb2 23.Nf4 g5 24.Qf2 Rxf3 25.gxf3 gxf4 26.Bd6+ Ka8 27.
Rcd1 Qc6 28.Bxf4 Rg8+ 29.Kh1 e5 30.h4 Qa4 31.Rg1 Rc8 32.Be3 f4 33.Bb6 Qa3 
34.Kh2 Bxf3 35.Rb1 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "2"]
[White "De Greiff, Boris"]
[Black "Cuellar Jimenez, Alfredo"]
[Result "1-0"]
[ECO "C32"]
[EventDate "1958.01.20"]
[PlyCount "86"]

1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Nd2 Qxd5 6.dxe4 Nxe4 7.Bc4 Qd4 8.Qe2 
f5 9.Ngf3 Qb6 10.Nxe4 fxe4 11.Qxe4+ Be7 12.Be3 Qa5+ 13.Bd2 Qf5 14.Qxf5 
Bxf5 15.O-O-O Nc6 16.Bc3 Kf8 17.Ne5 h5 18.Rhe1 Rh6 19.Nxc6 Rxc6 20.Bd5 Rg6
21.Bxb7 Rb8 22.Bf3 Bd6 23.Be5 h4 24.Rd5 Bg4 25.Be4 Rh6 26.h3 Bc8 27.c3 Rb6
28.Red1 Kf7 29.Ra5 a6 30.Bd5+ Be6 31.Bxd6 cxd6 32.f5 Bxd5 33.Raxd5 Rf6 34.
R1d4 g6 35.Rf4 Ke7 36.Re4+ Kd7 37.fxg6 Rxg6 38.Rd2 Rh6 39.Rdd4 Rf6 40.Rf4 
Re6 41.Rd2 Rh6 42.c4 Kc6 43.b3 Rb8 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "2"]
[White "Del Pozo, Nestor"]
[Black "Lombardy, William James"]
[Result "0-1"]
[ECO "B67"]
[EventDate "1958.01.20"]
[PlyCount "136"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.Qd2 Bd7 8.O-O-O 
Nc6 9.f4 h6 10.Bxf6 Qxf6 11.Nf3 Qd8 12.Be2 Qc7 13.Rhe1 O-O-O 14.Nd4 Be7 
15.Nb3 Kb8 16.Kb1 Bc8 17.Bf3 Bf6 18.Qe3 Na5 19.Nxa5 Qxa5 20.Rd3 Rd7 21.
Red1 Rhd8 22.Ne2 Be7 23.Nc1 Rc7 24.Nb3 Qa4 25.Qd2 g6 26.Rd4 Rc4 27.Rxc4 
Qxc4 28.Qa5 Qc7 29.Qd2 Bd7 30.Qb4 Ka7 31.Qe1 Qb6 32.Qd2 Bc6 33.Qa5 Bf6 34.
Qxb6+ Kxb6 35.Nd4 Be8 36.c4 Bxd4 37.Rxd4 Bc6 38.b3 g5 39.fxg5 hxg5 40.Kb2 
e5 41.Rd1 Kc5 42.Kc2 Rh8 43.h3 Rh4 44.Re1 b5 45.cxb5 axb5 46.Kc3 f5 47.b4+
Kb6 48.exf5 Bxf3 49.gxf3 Rxh3 50.Re3 Kc6 51.Kd3 Kd5 52.a3 Rxf3 53.Rxf3 e4+
54.Ke3 exf3 55.Kxf3 Ke5 56.a4 bxa4 57.b5 a3 58.b6 a2 59.b7 a1=Q 60.b8=Q 
Qf1+ 61.Kg3 Qf4+ 62.Kg2 Qxf5 63.Qe8+ Kf4 64.Kf2 Qc5+ 65.Kg2 Qd5+ 66.Kf2 
Qd4+ 67.Kf1 Qd3+ 68.Kf2 Qf3+ 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "2"]
[White "Denis, Francisco"]
[Black "Davila, Edmundo"]
[Result "1-0"]
[ECO "B20"]
[EventDate "1958.01.20"]
[PlyCount "58"]

1.e4 c5 2.b3 Nc6 3.Bb2 d6 4.Nc3 Nf6 5.f4 e6 6.Nf3 d5 7.Bd3 d4 8.Nb1 a6 9.
c3 e5 10.fxe5 Ng4 11.cxd4 cxd4 12.O-O Bc5 13.Na3 O-O 14.Rc1 Qe7 15.Nc4 b5 
16.Nb6 Ncxe5 17.Nxc8 Raxc8 18.Nxe5 Nxe5 19.Bb1 b4 20.d3 Rc6 21.Rc2 Rg6 22.
Rf5 Ba7 23.g3 Ng4 24.Qc1 Ne3 25.Rc7 Qh4 26.Rcxf7 Rxg3+ 27.Kh1 Rd8 28.Qc7 
Nxf5 29.Rxf5 g6 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "2"]
[White "Humerez, Cidar"]
[Black "Perez, Jaime"]
[Result "1/2-1/2"]
[ECO "C98"]
[EventDate "1958.01.20"]
[PlyCount "61"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.Re1 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 13.dxe5 dxe5 14.Nf1 Rd8 15.Qe2 g6
16.Ne3 Bb7 17.Nh2 Bf8 18.Nhg4 Nxg4 19.Nxg4 Bg7 20.Bg5 Rd6 21.Rad1 f6 22.
Rxd6 Qxd6 23.Rd1 Qe7 24.Bxf6 Bxf6 25.Rd7 Qe6 26.Nxf6+ Qxf6 27.Rxb7 Rd8 28.
g3 Na5 29.Ra7 Qb6 30.Re7 Qd6 31.Ra7 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "2"]
[White "Martin, Pedro"]
[Black "Gutierrez Mangel, Joaquin"]
[Result "1-0"]
[ECO "D95"]
[EventDate "1958.01.20"]
[PlyCount "80"]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.e3 g6 5.Nc3 Bg7 6.Qb3 O-O 7.Bd2 e6 8.Bd3 Nbd7 
9.O-O Nb6 10.Rfd1 Qe7 11.e4 dxc4 12.Bxc4 Nxc4 13.Qxc4 Nd7 14.Bg5 f6 15.Bh4
g5 16.Bg3 Kh8 17.a4 e5 18.a5 exd4 19.Nxd4 Ne5 20.Qb3 Bg4 21.f3 Bh5 22.Nf5 
Bf7 23.Qc2 Qe6 24.Rd6 Qb3 25.Qxb3 Bxb3 26.Bxe5 fxe5 27.a6 Rab8 28.axb7 
Rxb7 29.Rxc6 Bg8 30.Rca6 Rxb2 31.Nxg7 Kxg7 32.Rxa7+ Kh8 33.Ra8 Rxa8 34.
Rxa8 Kg7 35.Ra7+ Kf6 36.Ra6+ Kg7 37.Ra7+ Kf6 38.h3 h5 39.Ra6+ Kg7 40.Rd6 
Bc4 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "2"]
[White "Munoz, Francisco"]
[Black "Medina Garcia, Antonio Angel"]
[Result "0-1"]
[ECO "E63"]
[EventDate "1958.01.20"]
[PlyCount "76"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.d4 O-O 5.O-O d6 6.c4 Nc6 7.Nc3 a6 8.h3 Rb8 
9.b3 b5 10.cxb5 axb5 11.Ne1 Bd7 12.Bb2 b4 13.Ne4 Nxe4 14.Bxe4 Na5 15.Bg2 
c5 16.Rc1 Bb5 17.Nd3 cxd4 18.Nxb4 Bxe2 19.Qxe2 Rxb4 20.Ba3 Rb6 21.b4 Nb7 
22.Qc4 e6 23.Bb2 d5 24.Qb3 Qe7 25.a3 Nd6 26.Rc2 Nc4 27.Bc1 Qd7 28.Qf3 Rc8 
29.Bg5 h6 30.Bc1 Qa4 31.Re2 Rbc6 32.Qd3 Ne5 33.Rxe5 Bxe5 34.Bxh6 Qc2 35.
Qb5 d3 36.Bf3 Bd4 37.Kg2 Qc4 38.Qb7 R6c7 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "2"]
[White "Najdorf, Miguel"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1958.01.20"]
[PlyCount "87"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 g6 5.Nc3 Bg7 6.Be2 O-O 7.O-O b6 8.cxd5 cxd5
9.b4 Nc6 10.a3 Bb7 11.Bb2 e6 12.Rc1 Qe7 13.Qa4 Rfc8 14.Rc2 a6 15.Rfc1 b5 
16.Qb3 Nd7 17.Ne1 Nb6 18.Ba1 Nc4 19.Nd3 Nd8 20.Bf3 f5 21.a4 Bc6 22.Ra2 Nf7
23.Nc5 Nfd6 24.Qd1 Rcb8 25.a5 Nb7 26.Nd3 Nbd6 27.Ne2 Be8 28.g3 g5 29.Nc5 
Ne4 30.Rcc2 Bg6 31.Rc1 Rc8 32.Nc3 Nxc5 33.dxc5 Rab8 34.Ne2 Bxa1 35.Rcxa1 
Qf7 36.Nd4 Qf6 37.Bg2 e5 38.Nb3 Bf7 39.Qc1 g4 40.Re2 Rf8 41.Qc2 Rbc8 42.
Rd1 Rfd8 43.Qb1 Kg7 44.Qa1 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "2"]
[White "Panno, Oscar"]
[Black "Sanchez, Luis Augusto"]
[Result "1-0"]
[ECO "C75"]
[EventDate "1958.01.20"]
[PlyCount "75"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.O-O Nge7 7.Bb3 Ng6 8.d4 Be7
9.Nbd2 O-O 10.Nc4 Bf6 11.Ne3 Nge7 12.h3 Qc8 13.Kh2 g6 14.a3 Na5 15.Ba2 c5 
16.b4 cxb4 17.cxb4 exd4 18.Bb2 Nac6 19.Nxd4 Qe8 20.Qd2 Na7 21.f4 Bg7 22.
Rae1 Rd8 23.Nf3 Nec8 24.f5 Nc6 25.Bxg7 Kxg7 26.Ng4 f6 27.Qh6+ Kh8 28.Ng5 
Qe7 29.fxg6 Qg7 30.Qxh7+ Qxh7 31.Nxh7 Bxg4 32.Nxf8 Rxf8 33.hxg4 Kg7 34.g5 
Rh8+ 35.Kg3 fxg5 36.Rf7+ Kxg6 37.Ref1 Ne5 38.R1f6+ 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "2"]
[White "Perez, Francisco Jose"]
[Black "Sanchez, Frank"]
[Result "1-0"]
[ECO "A05"]
[EventDate "1958.01.20"]
[PlyCount "147"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O e6 5.d3 d6 6.c4 Be7 7.Nc3 Nbd7 8.e4 O-O 
9.h3 h6 10.Kh2 Nh7 11.Be3 e5 12.Nd2 Bf6 13.f4 c6 14.Qe2 Qe8 15.Bh1 Kh8 16.
Rg1 Rg8 17.Raf1 Rd8 18.Bf3 Bc8 19.Rg2 Ndf8 20.Rfg1 Ne6 21.Qf2 Qe7 22.Bd1 
Rdf8 23.Nf3 Qd7 24.f5 Nc5 25.Be2 g5 26.g4 Nb7 27.Rh1 Kg7 28.Kg1 Rh8 29.
Rgh2 Rfg8 30.h4 Qd8 31.Bd1 Nc5 32.Qd2 Nd7 33.Ne2 Be7 34.Ng3 f6 35.Bb3 Nc5 
36.Bd1 Nd7 37.b4 c5 38.b5 Bb7 39.a4 Bc8 40.Kf1 Bb7 41.Rh3 Ndf8 42.hxg5 
hxg5 43.Nh4 gxh4 44.Bh6+ Kf7 45.Rxh4 Ke8 46.Bxf8 Rxf8 47.Rxh7 Kd7 48.Qh6 
Rxh7 49.Qxh7 Qe8 50.Nh5 Rf7 51.Ng7 Qa8 52.Qg6 Qg8 53.Ne6 Qxg6 54.fxg6 Kxe6
55.gxf7 Kxf7 56.Rh7+ Ke8 57.Kg2 a5 58.bxa6 Bxa6 59.Kg3 Bc8 60.Rh8+ Bf8 61.
Kh4 Kf7 62.Rh7+ Bg7 63.Kh5 Bd7 64.g5 fxg5 65.Kxg5 Be6 66.Bh5+ Kg8 67.Bg6 
Bd7 68.Rh2 Bxa4 69.Ra2 Bc6 70.Ra7 Kf8 71.Rf7+ Kg8 72.Rc7 Ba4 73.Rc8+ Bf8 
74.Kf6 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "3"]
[White "Ader Hausman, Walter"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "E14"]
[EventDate "1958.01.20"]
[PlyCount "44"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 Be7 6.Nc3 d5 7.b3 Nbd7 8.Bb2 O-O 
9.O-O a6 10.Qe2 Ne4 11.Rad1 Bd6 12.Ne5 f5 13.cxd5 exd5 14.Bxe4 fxe4 15.Qg4
Nf6 16.Qe6+ Kh8 17.Nf7+ Rxf7 18.Qxf7 Bc6 19.f3 Be8 20.Qe6 Bd7 21.Qf7 Be8 
22.Qe6 Bd7 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "3"]
[White "Cuellar Gacharna, Miguel"]
[Black "Munoz, Francisco"]
[Result "1-0"]
[ECO "E91"]
[EventDate "1958.01.20"]
[PlyCount "85"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 c5 7.d5 Na6 8.O-O Nc7 
9.h3 a6 10.a4 Bd7 11.a5 Rb8 12.Re1 Nfe8 13.Bf4 b5 14.axb6 Rxb6 15.Bc1 e5 
16.dxe6 fxe6 17.Qd3 Qe7 18.e5 dxe5 19.Qe3 Rf5 20.Ne4 Nd6 21.Qxc5 Rc6 22.
Qa3 Qf8 23.Nxd6 Rxd6 24.Bd3 Rh5 25.Be4 Bc6 26.Bxc6 Rxc6 27.Qxf8+ Kxf8 28.
Ra4 Rf5 29.b3 Kf7 30.Rb4 a5 31.Rb8 h6 32.Nd2 g5 33.Ne4 Kg6 34.Bd2 a4 35.
bxa4 Rxc4 36.Nd6 Rxa4 37.Nxf5 exf5 38.Rb6+ Kh7 39.Rb7 Rc4 40.Ba5 Ne8 41.
Rxe5 Re4 42.Bc3 Rc4 43.Re3 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "3"]
[White "Cuellar Jimenez, Alfredo"]
[Black "Martin, Pedro"]
[Result "1/2-1/2"]
[ECO "C65"]
[EventDate "1958.01.20"]
[PlyCount "93"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5 5.c3 O-O 6.d4 Bb6 7.Bg5 h6 8.Bh4 d6 
9.dxe5 Nxe5 10.Nxe5 dxe5 11.Nd2 c6 12.Bc4 Qe7 13.Qe2 g5 14.Bg3 Bg4 15.Qe1 
Rad8 16.Be2 Bc8 17.Kh1 Rfe8 18.Rd1 Bc7 19.f3 b5 20.Nb3 Be6 21.Bf2 Bb6 22.
Bxb6 axb6 23.Qf2 Qc7 24.Nc1 Nh7 25.Rfe1 Nf8 26.Rxd8 Rxd8 27.Rd1 Rxd1+ 28.
Bxd1 Qd6 29.Qc2 Nd7 30.Be2 b4 31.Kg1 Qc5+ 32.Kf1 bxc3 33.Qxc3 Qxc3 34.bxc3
Nc5 35.Ke1 g4 36.Kd2 gxf3 37.gxf3 Kg7 38.c4 Kf6 39.Nd3 Nxd3 40.Bxd3 c5 41.
Ke3 Kg5 42.Bf1 f5 43.exf5 Bxf5 44.a3 Bc2 45.Be2 Bb1 46.Bf1 Bf5 47.Be2 
1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "3"]
[White "Davila, Edmundo"]
[Black "Humerez, Cidar"]
[Result "0-1"]
[ECO "A34"]
[EventDate "1958.01.20"]
[PlyCount "68"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.e3 Nc7 6.Bc4 Nc6 7.d4 cxd4 8.exd4
e6 9.O-O Be7 10.Qd3 O-O 11.Qe4 Ne8 12.Bd3 Nf6 13.Qh4 Nb4 14.Bb1 g6 15.Bg5 
Nbd5 16.Bd3 a6 17.Rfe1 Re8 18.Ne5 Nh5 19.Bxe7 Qxe7 20.Qxe7 Nxe7 21.Bc4 b5 
22.Bb3 Bb7 23.Nxf7 Kxf7 24.Rxe6 Nf4 25.Rxa6+ Kg7 26.Rb6 Bxg2 27.Rxb5 Nf5 
28.Nd5 Bxd5 29.Bxd5 Rad8 30.Bc6 Re2 31.d5 Rf8 32.Rb3 Nd4 33.Re3 Rd2 34.a4 
Nc2 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "3"]
[White "Gutierrez Mangel, Joaquin"]
[Black "Denis, Francisco"]
[Result "1-0"]
[ECO "B30"]
[EventDate "1958.01.20"]
[PlyCount "97"]

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 d6 5.Bg2 Bd7 6.O-O Be7 7.c3 Nf6 8.Qe2 e5 9.
h3 O-O 10.Nbd2 Nh5 11.Ne1 g6 12.Nc4 f5 13.exf5 Rxf5 14.Ne3 Rf8 15.Nd5 Bg5 
16.Bxg5 Qxg5 17.Nf3 Qh6 18.Nd2 Ng7 19.Kh2 Rae8 20.Ne4 Re6 21.Qe3 Qh5 22.g4
Qh4 23.Qg5 Qxg5 24.Nxg5 Ree8 25.Ne4 Rd8 26.Nef6+ Kh8 27.Nxd7 Rxd7 28.f4 
Rdf7 29.fxe5 Nxe5 30.Rxf7 Rxf7 31.Rf1 Rxf1 32.Bxf1 Ne6 33.Kg3 g5 34.Ne7 a6
35.Nf5 d5 36.d4 cxd4 37.cxd4 Nc6 38.Bg2 Nexd4 39.Nxd4 Nxd4 40.Bxd5 b6 41.
Kf2 Nb5 42.Ke3 Kg7 43.Bc4 Nc7 44.b4 Kg6 45.Ke4 Kf6 46.Kd4 h6 47.Ke4 h5 48.
gxh5 a5 49.b5 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "3"]
[White "Lombardy, William James"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "E04"]
[EventDate "1958.01.20"]
[PlyCount "50"]

1.c4 Nf6 2.d4 e6 3.g3 d5 4.Bg2 Nc6 5.Nf3 dxc4 6.Qa4 Bd7 7.Qxc4 Na5 8.Qc2 
Rc8 9.O-O c5 10.dxc5 Bxc5 11.Nc3 O-O 12.Ne5 Bb5 13.Bg5 h6 14.Rad1 Qe7 15.
Bxf6 Qxf6 16.Nd7 Bxd7 17.Rxd7 Bd4 18.Bxb7 Nxb7 19.Rxb7 Bxc3 20.bxc3 Rxc3 
21.Qa4 Qe5 22.e3 a5 23.Rb5 Rc5 24.Rxc5 Qxc5 25.Rb1 Rd8 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "3"]
[White "Medina Garcia, Antonio Angel"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "B72"]
[EventDate "1958.01.20"]
[PlyCount "105"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 g6 7.Be3 Bg7 8.Qd2 
a6 9.f4 Ng4 10.Bxg4 Bxg4 11.O-O Nxd4 12.Bxd4 e5 13.Be3 exf4 14.Bxf4 O-O 
15.Bh6 Bxh6 16.Qxh6 Be6 17.Kh1 Qe7 18.Rad1 Rad8 19.h3 Rd7 20.Rf3 Rc8 21.
Qf4 b5 22.a3 Bc4 23.Re3 Be6 24.Rd2 Qd8 25.Red3 Rc6 26.Qf3 Rc5 27.Qf4 Re5 
28.Rd4 g5 29.Qg3 h5 30.Nd5 h4 31.Qf3 Bxd5 32.Rxd5 Rxd5 33.Rxd5 Qe7 34.Qf5 
f6 35.Qg6+ Qg7 36.Qe8+ Kh7 37.Qe6 Re7 38.Qf5+ Qg6 39.Rxd6 Rxe4 40.Qxf6 
Re1+ 41.Kh2 Qxf6 42.Rxf6 Re2 43.Rc6 Kg7 44.b4 Kf7 45.Rxa6 Re6 46.Ra5 Rb6 
47.a4 bxa4 48.Rxa4 Ke6 49.c4 Rb8 50.b5 Kd6 51.Ra6+ Kc5 52.Rc6+ Kd4 53.b6 
1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "3"]
[White "Perez, Jaime"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A24"]
[EventDate "1958.01.20"]
[PlyCount "82"]

1.c4 g6 2.Nf3 Bg7 3.Nc3 d6 4.g3 e5 5.Bg2 Nf6 6.O-O O-O 7.d3 Nh5 8.e4 c6 9.
Ne1 Nd7 10.Be3 Qe8 11.Bf3 Nhf6 12.b4 Qe7 13.a3 Ne8 14.Rc1 f5 15.exf5 gxf5 
16.Ng2 Nc7 17.d4 exd4 18.Bxd4 Ne5 19.Be2 Ne6 20.Be3 Ng4 21.Bxg4 fxg4 22.f4
gxf3 23.Rxf3 Rxf3 24.Qxf3 Ng5 25.Qh5 Ne4 26.Nxe4 Qxe4 27.Re1 Bg4 28.Qh4 
Bf3 29.Qxe4 Bxe4 30.Nf4 Bc2 31.Ne6 Bb2 32.Re2 Re8 33.Rxc2 Bxa3 34.Bxa7 
Rxe6 35.b5 Kf7 36.Kf2 Re5 37.bxc6 bxc6 38.Bd4 Re4 39.Be3 Ke6 40.Kf3 Re5 
41.g4 Bc5 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "3"]
[White "Sanchez, Frank"]
[Black "Del Pozo, Nestor"]
[Result "1/2-1/2"]
[ECO "E80"]
[EventDate "1958.01.20"]
[PlyCount "45"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 Na6 6.Be3 c5 7.dxc5 Nxc5 8.e5 Ng8 
9.Bxc5 dxc5 10.Qxd8+ Kxd8 11.f4 Bd7 12.Be2 Bc6 13.Bf3 Kc7 14.Bxc6 Kxc6 15.
Nf3 Nh6 16.O-O Nf5 17.Kf2 h5 18.Ne4 Bh6 19.g3 Rad8 20.Rad1 b6 21.h4 Rhf8 
22.Rfe1 a6 23.b3 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "3"]
[White "Sanchez, Luis Augusto"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "A76"]
[EventDate "1958.01.20"]
[PlyCount "78"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.e4 Bg7 8.Be2 O-O 
9.O-O Re8 10.Qc2 a6 11.a4 Bg4 12.h3 Bxf3 13.Bxf3 Nbd7 14.Bf4 Qc7 15.Rfe1 
Rac8 16.a5 Ne5 17.Be2 Nfd7 18.Be3 Nf6 19.f4 Ned7 20.Bf3 Re7 21.Qd2 Ne8 22.
Bf2 b5 23.axb6 Qxb6 24.Na4 Qb8 25.Nc3 Qb6 26.Na4 Qb8 27.Nc3 c4 28.Rxa6 Nc5
29.Bxc5 Rxc5 30.Rea1 Rc8 31.Kh1 Rb7 32.R1a2 Nc7 33.Rc6 Nb5 34.Rxc8+ Qxc8 
35.Nxb5 Rxb5 36.Qe2 c3 37.bxc3 Rb3 38.Kh2 Qxc3 39.Ra8+ Bf8 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "4"]
[White "Bisguier, Arthur Bernard"]
[Black "Sanchez, Frank"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "4"]
[White "De Greiff, Boris"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "E95"]
[EventDate "1958.01.20"]
[PlyCount "53"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.Re1 
exd4 9.Nxd4 Nc5 10.f3 c6 11.Be3 a5 12.Qd2 a4 13.Rab1 Re8 14.b4 axb3 15.
axb3 Ne6 16.Nc2 Nd7 17.Bf1 Be5 18.Ne2 Ng7 19.Red1 f5 20.exf5 Nxf5 21.Bf2 
Bg7 22.Ng3 Nf6 23.Nxf5 Bxf5 24.Ra1 Rxa1 25.Nxa1 d5 26.Nc2 Be6 27.Nd4 
1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "4"]
[White "Del Pozo, Nestor"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "4"]
[White "Denis, Francisco"]
[Black "Humerez, Cidar"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "4"]
[White "Gutierrez Mangel, Joaquin"]
[Black "Cuellar Jimenez, Alfredo"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "4"]
[White "Martin, Pedro"]
[Black "Ader Hausman, Walter"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "4"]
[White "Munoz, Francisco"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "4"]
[White "Najdorf, Miguel"]
[Black "Perez, Jaime"]
[Result "1-0"]
[ECO "E52"]
[EventDate "1958.01.20"]
[PlyCount "65"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 b6 7.O-O Bb7 8.a3 Be7 
9.b4 Nbd7 10.Bb2 c5 11.dxc5 bxc5 12.cxd5 exd5 13.bxc5 Nxc5 14.Be2 Rb8 15.
Rb1 Nfe4 16.Nb5 a6 17.Nbd4 Bf6 18.Nd2 Re8 19.Re1 Bh4 20.Nxe4 Nxe4 21.g3 
Bf6 22.Bg4 Nd6 23.Bc3 Nb5 24.Nxb5 axb5 25.Bxf6 Qxf6 26.Rxb5 d4 27.e4 Qc6 
28.Rb4 Rxe4 29.Rxe4 Qxe4 30.Bf3 Qe7 31.Qb1 g6 32.Rxb7 Rxb7 33.Qxb7 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "4"]
[White "Panno, Oscar"]
[Black "Davila, Edmundo"]
[Result "1-0"]
[ECO "E43"]
[EventDate "1958.01.20"]
[PlyCount "83"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 O-O 7.O-O c5 8.Na4 cxd4
9.exd4 Be7 10.Re1 d6 11.Bg5 Nbd7 12.Rc1 Rc8 13.b4 Re8 14.Nc3 a6 15.h3 h6 
16.Bd2 Bf8 17.a3 e5 18.d5 g6 19.Nh2 Bg7 20.Ng4 Kh7 21.Qf3 Rf8 22.Ne3 Kh8 
23.g4 Nh7 24.Ne4 Ndf6 25.Ng3 Ng8 26.Kh2 Rc7 27.Qg2 Ne7 28.Rg1 Bc8 29.Ne4 
Ng5 30.Nxg5 hxg5 31.Nf1 Ng8 32.Be3 Rd7 33.f3 Bb7 34.Qd2 Bf6 35.Ng3 Be7 36.
Qf2 Nh6 37.Bxb6 Qe8 38.Ne4 f5 39.gxf5 gxf5 40.Nxg5 e4 41.Bd4+ Bf6 42.Qh4 
1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "4"]
[White "Perez, Francisco Jose"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "5"]
[White "Ader Hausman, Walter"]
[Black "Gutierrez Mangel, Joaquin"]
[Result "1/2-1/2"]
[ECO "C71"]
[EventDate "1958.01.20"]
[PlyCount "39"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c4 Bg4 6.O-O Nf6 7.Nc3 Be7 8.a3 Bxf3
9.Qxf3 Nd7 10.Bxc6 bxc6 11.d3 Nc5 12.Ne2 Ne6 13.Qg3 Bg5 14.Be3 c5 15.Bxg5 
Qxg5 16.Qxg5 Nxg5 17.f4 Ne6 18.f5 Nd4 19.Nxd4 cxd4 20.Rf2 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "5"]
[White "Cuellar Gacharna, Miguel"]
[Black "Del Pozo, Nestor"]
[Result "1-0"]
[ECO "E90"]
[EventDate "1958.01.20"]
[PlyCount "73"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 Nc6 6.d5 Nb8 7.Be2 O-O 8.O-O Nbd7
9.Re1 e5 10.dxe6 fxe6 11.e5 dxe5 12.Ng5 Qe7 13.Bf3 c6 14.Rb1 a5 15.a3 Ne8 
16.Nge4 h6 17.Be3 Nef6 18.Qd3 Kh7 19.Rbd1 Nd5 20.cxd5 exd5 21.Nxd5 cxd5 
22.Qxd5 Nf6 23.Qb5 Nxe4 24.Bxe4 Rd8 25.Bb6 Rxd1 26.Rxd1 a4 27.Bc5 Qh4 28.
f3 Qg5 29.Bf2 h5 30.h4 Qe7 31.Rc1 Be6 32.Qb6 Rc8 33.Rxc8 Bxc8 34.Qxg6+ Kg8
35.Bd5+ Kf8 36.Qc2 Qd7 37.Bc5+ 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "5"]
[White "Cuellar Jimenez, Alfredo"]
[Black "Denis, Francisco"]
[Result "1/2-1/2"]
[ECO "B98"]
[EventDate "1958.01.20"]
[PlyCount "118"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 h6 8.Bh4 Be7 
9.Qf3 Qc7 10.O-O-O Bd7 11.g4 Nc6 12.Nb3 O-O-O 13.Bg2 Kb8 14.Bf2 Rc8 15.a3 
Na7 16.Nd4 Rhd8 17.h3 e5 18.Nf5 Bf8 19.Rd2 exf4 20.Qxf4 Be6 21.Qe3 Qc5 22.
Qf3 Qc6 23.Nd4 Qc7 24.Rhd1 Nc6 25.Qe3 Nd7 26.Nd5 Bxd5 27.exd5 Nxd4 28.Qxd4
Nc5 29.Kb1 Be7 30.Qxg7 Bg5 31.Re2 b5 32.Qd4 Re8 33.Rxe8 Rxe8 34.h4 Bd8 35.
Bf3 Nd7 36.Qf4 Bf6 37.Qxh6 Rc8 38.Be4 b4 39.axb4 Bxb2 40.Qe3 Bh8 41.Bf5 
Ka8 42.Qa3 Kb7 43.Bd3 Ra8 44.Qa4 Ne5 45.b5 axb5 46.Qxb5+ Kc8 47.Bf5+ Nd7 
48.Bxd7+ Kd8 49.Bd4 Rb8 50.Bxh8 Rxb5+ 51.Bxb5 Qa5 52.Bf6+ Kc7 53.Be2 Qb4+ 
54.Bb2 Qe4 55.Re1 Qe3 56.Bc1 Qb6+ 57.Bb2 Qe3 58.Bc1 Qb6+ 59.Bb2 Qe3 
1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "5"]
[White "Davila, Edmundo"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1958.01.20"]
[PlyCount "48"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.g3 Nbd7 7.Bg2 e5 8.O-O c6 
9.h3 Qb6 10.c5 dxc5 11.dxe5 Ne8 12.Bg5 Nc7 13.Qd6 Re8 14.b3 Nxe5 15.Na4 
Nxf3+ 16.Bxf3 Qa5 17.Rac1 Bxh3 18.Rfd1 Ne6 19.Bd2 Qd8 20.Qxd8 Raxd8 21.Bg2
Bxg2 22.Kxg2 b6 23.b4 cxb4 24.Rxc6 Rd7 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "5"]
[White "Humerez, Cidar"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B60"]
[EventDate "1958.01.20"]
[PlyCount "84"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.f4 e6 8.Qd2 
Nxd4 9.Qxd4 Bc6 10.O-O-O Be7 11.Be2 O-O 12.Qe3 Qa5 13.Kb1 Rac8 14.Bf3 Rfd8
15.Rhe1 h6 16.Bh4 Ng4 17.Bxg4 Bxh4 18.g3 Bf6 19.e5 dxe5 20.Rxd8+ Rxd8 21.
fxe5 Bg5 22.Qf2 Rd2 23.Re2 Rxe2 24.Qxe2 Qc5 25.a3 Be3 26.Nd1 Bd4 27.Bf3 
Qxe5 28.Qxe5 Bxe5 29.Bxc6 bxc6 30.Ne3 f5 31.b4 Kf7 32.Nc4 Bc7 33.Kc1 g5 
34.Kd1 e5 35.Ke2 Ke6 36.Nd2 Kd5 37.c4+ Kd4 38.c5 e4 39.Nb3+ Kd5 40.Nd2 f4 
41.gxf4 gxf4 42.a4 a6 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "5"]
[White "Lombardy, William James"]
[Black "Martin, Pedro"]
[Result "1/2-1/2"]
[ECO "C44"]
[EventDate "1958.01.20"]
[PlyCount "52"]

1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d3 Be7 5.Be2 O-O 6.O-O d5 7.Nbd2 h6 8.Re1 Re8
9.Bf1 Bf8 10.h3 Be6 11.b4 a6 12.Bb2 dxe4 13.dxe4 Nd7 14.Nc4 b5 15.Ne3 Nb6 
16.Qc2 Qb8 17.a3 Qb7 18.c4 Nxc4 19.Nxc4 bxc4 20.Bxc4 a5 21.b5 Na7 22.a4 c6
23.bxc6 Nxc6 24.Bb5 Rec8 25.Qe2 f6 26.Rac1 Nb4 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "5"]
[White "Medina Garcia, Antonio Angel"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "B43"]
[EventDate "1958.01.20"]
[PlyCount "78"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 b5 7.Bg2 Bb7 8.O-O Nc6
9.a3 d6 10.f4 Nf6 11.Be3 Na5 12.Kh1 Nc4 13.Bc1 Rd8 14.Qe2 Be7 15.Rd1 O-O 
16.f5 e5 17.Nb3 Nxa3 18.Bg5 Nc4 19.Bxf6 Bxf6 20.Nd5 Bxd5 21.Rxd5 Qb6 22.c3
Rd7 23.Rd3 Rc8 24.Rad1 a5 25.Na1 a4 26.Rb1 b4 27.Nc2 bxc3 28.Rxc3 Rdc7 29.
Bf1 d5 30.b3 d4 31.Rd3 a3 32.Rf3 Bg5 33.Rd1 Nb2 34.Nxa3 Nxd1 35.Qxd1 Rc1 
36.Qe2 Be3 37.Nc4 Qxb3 38.Nxe5 Ra8 39.Nd3 Rc2 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "5"]
[White "Perez, Jaime"]
[Black "Munoz, Francisco"]
[Result "1-0"]
[ECO "E91"]
[EventDate "1958.01.20"]
[PlyCount "65"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e4 d6 6.Be2 Na6 7.O-O c5 8.h3 cxd4 
9.Nxd4 Nc5 10.Bf3 a5 11.Be3 a4 12.Ndb5 Nfd7 13.Rc1 Ra6 14.Be2 f5 15.exf5 
gxf5 16.f4 Nf6 17.b4 axb3 18.axb3 Nfe4 19.b4 Nxc3 20.Nxc3 Ne6 21.Nd5 Ra3 
22.Bb6 Qd7 23.Bf3 Ra6 24.Bf2 Bh6 25.Re1 Rf7 26.b5 Ra3 27.Nb6 Qd8 28.Nxc8 
Qxc8 29.Bd5 Nxf4 30.Rxe7 Nxd5 31.Qxd5 Qf8 32.Rce1 Rd3 33.Rxf7 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "5"]
[White "Sanchez, Frank"]
[Black "De Greiff, Boris"]
[Result "0-1"]
[ECO "E39"]
[EventDate "1958.01.20"]
[PlyCount "96"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Nf3 Na6 7.e3 Nxc5 8.Bd2 
b6 9.Nb5 Bxd2+ 10.Nxd2 Bb7 11.Nd6 Ba6 12.b4 Nb7 13.Nxb7 Bxb7 14.Bd3 Qe7 
15.Qb2 Qd6 16.Ke2 Rfc8 17.f3 Rab8 18.Rad1 Qc7 19.Rc1 e5 20.e4 Nh5 21.g3 
Qd6 22.Nf1 f5 23.Ne3 fxe4 24.fxe4 Qg6 25.Qb1 Nf6 26.Nd5 Bxd5 27.cxd5 Qh5+ 
28.Kf2 Rxc1 29.Qxc1 Rf8 30.Ke3 Ng4+ 31.Kd2 Qh6+ 32.Ke2 Rf2+ 33.Kd1 Qxc1+ 
34.Kxc1 Rxa2 35.Kb1 Rd2 36.Bb5 Nf6 37.Rc1 Rd4 38.Rc8+ Kf7 39.Bc4 b5 40.Bb3
Rxb4 41.Kc2 Ke7 42.Ra8 Nxe4 43.Rxa7 Nc5 44.Ba2 Ra4 45.Rxa4 bxa4 46.Kc3 Kd6
47.Kc4 Ne4 48.Kb4 g5 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "5"]
[White "Sanchez, Luis Augusto"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "B30"]
[EventDate "1958.01.20"]
[PlyCount "65"]

1.e4 c5 2.Nf3 Nc6 3.d3 d6 4.g3 Nf6 5.Bg2 g6 6.O-O Bg7 7.Nh4 O-O 8.f4 Bg4 
9.Qd2 Bd7 10.c3 Qc7 11.Na3 a6 12.Nc2 b5 13.Qe1 Rab8 14.Bd2 Rfc8 15.Ne3 e6 
16.g4 Be8 17.g5 Nd7 18.Bh3 Rd8 19.f5 exf5 20.exf5 Nb6 21.fxg6 hxg6 22.Nxg6
Ne5 23.Nxe5 dxe5 24.Bf5 Nd7 25.Ng4 Nf8 26.Qg3 Ng6 27.Nf6+ Bxf6 28.gxf6 Rb6
29.h4 Rdd6 30.Bg5 e4 31.Rad1 Bc6 32.Bxg6 Rxf6 33.Qxc7 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "6"]
[White "Bisguier, Arthur Bernard"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "C77"]
[EventDate "1958.01.20"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 Be7 6.c3 b5 7.Bb3 d6 8.a4 Bb7 
9.O-O O-O 10.d4 b4 11.Rd1 Qb8 12.Nbd2 Na5 13.Bc2 c5 14.cxb4 cxb4 15.d5 Bc8
16.Bd3 Qb7 17.Rb1 Nd7 18.Nc4 Nxc4 19.Bxc4 Nc5 20.b3 Bg4 21.h3 Bh5 22.g4 
Bg6 23.Nd2 Bg5 24.f3 Qe7 25.Nf1 Bf4 26.Be3 Bxe3+ 27.Nxe3 Qg5 28.Ng2 Qd8 
29.Rbc1 h5 30.Qe1 a5 31.Qe3 Rc8 32.Bb5 Qe7 33.Bc6 Rfd8 34.Kf2 Kh7 35.Kg3 
Qf6 36.Rxc5 dxc5 37.Qxc5 Rxc6 38.dxc6 Rxd1 39.c7 Rd3 40.Ne1 Rd2 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "6"]
[White "Cuellar Jimenez, Alfredo"]
[Black "Ader Hausman, Walter"]
[Result "1/2-1/2"]
[ECO "C78"]
[EventDate "1958.01.20"]
[PlyCount "98"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Be7 7.c3 Nxe4 8.Bd5 
Nf6 9.Bxc6 dxc6 10.Nxe5 Qd5 11.d4 O-O 12.Nd2 Bd6 13.Ndf3 Ne4 14.Qb3 Be6 
15.Re1 Rfe8 16.Qxd5 Bxd5 17.Be3 Re7 18.Nd3 Rae8 19.Bf4 f6 20.Bxd6 cxd6 21.
h4 c5 22.Re3 Bf7 23.a4 c4 24.Nb4 g5 25.hxg5 fxg5 26.axb5 axb5 27.Rae1 Kf8 
28.Nc6 Re6 29.d5 Rh6 30.Rxe4 Rxe4 31.Rxe4 Bxd5 32.Rg4 Bxc6 33.Rxg5 Bxf3 
34.Rf5+ Ke7 35.Rxf3 Ke6 36.Rf8 Rh5 37.Rg8 Rd5 38.Re8+ Kd7 39.Re2 Rd3 40.f4
h5 41.Kf2 b4 42.Re3 Rd2+ 43.Re2 bxc3 44.bxc3 Rxe2+ 45.Kxe2 h4 46.Ke3 Ke6 
47.Ke4 Kf6 48.Kf3 d5 49.Ke2 Kf5 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "6"]
[White "De Greiff, Boris"]
[Black "Medina Garcia, Antonio Angel"]
[Result "0-1"]
[ECO "D35"]
[EventDate "1958.01.20"]
[PlyCount "112"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Be7 6.e3 O-O 7.Bd3 Re8 8.Nf3 
Nbd7 9.O-O Nf8 10.Bxf6 Bxf6 11.b4 c6 12.Qb3 Be6 13.Na4 Nd7 14.Rfc1 Rc8 15.
Rab1 Qe7 16.Nc5 Nxc5 17.bxc5 Rc7 18.Qa4 a6 19.Rb6 Bc8 20.Rcb1 Qe6 21.Qc2 
g6 22.R1b2 Bg7 23.Bf1 f5 24.R6b3 Rce7 25.Qd2 Bf6 26.g3 Kh8 27.Rb1 g5 28.
Rd1 Qf7 29.Bg2 Qh5 30.Ne5 Bxe5 31.dxe5 Rxe5 32.f4 R5e7 33.Rf1 g4 34.Qd4+ 
Kg8 35.Rf2 Re6 36.Rd2 Rh6 37.Bh1 Qf7 38.a4 a5 39.Rb6 Rhe6 40.Rd3 Qe7 41.
Rbb3 h5 42.Qc3 h4 43.Kf2 Kf7 44.Bg2 Kg6 45.Rb6 h3 46.Bh1 Re4 47.Bxe4 Qxe4 
48.Qd4 Qg2+ 49.Ke1 Qg1+ 50.Kd2 Qxh2+ 51.Kc1 Qxg3 52.Qxd5 Be6 53.Qe5 h2 54.
Rxb7 h1=Q+ 55.Rd1 Qxd1+ 56.Kxd1 Bb3+ 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "6"]
[White "Del Pozo, Nestor"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "C75"]
[EventDate "1958.01.20"]
[PlyCount "84"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Bd7 6.c3 Nge7 7.Bb3 Ng6 8.d4 Be7
9.a4 O-O 10.Na3 Na5 11.Bc2 c5 12.b4 cxb4 13.cxb4 Nc6 14.Rb1 Bg4 15.d5 Nd4 
16.Be3 Nxf3+ 17.gxf3 Bh5 18.Bd3 Nh4 19.Be2 Qd7 20.Kh1 Qh3 21.Rg1 Bxf3+ 22.
Bxf3 Nxf3 23.Rg2 f5 24.Bh6 Rf7 25.exf5 Qxf5 26.Be3 Nh4 27.Rg4 h5 28.Rc4 
Qh3 29.Rxh4 Qxh4 30.Qd3 Qh3 31.Rg1 Qf3+ 32.Rg2 h4 33.Kg1 Rc8 34.Nc2 Qf5 
35.Ne1 Qxd3 36.Nxd3 Rc3 37.Ne1 Rc4 38.Nd3 Rc3 39.Ne1 b5 40.axb5 axb5 41.
Rg4 h3 42.Kf1 Rxe3 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "6"]
[White "Denis, Francisco"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B40"]
[EventDate "1958.01.20"]
[PlyCount "44"]

1.e4 c5 2.Nf3 e6 3.b3 Nf6 4.Nc3 Nc6 5.Bb2 Be7 6.e5 Ng4 7.Ne4 O-O 8.h3 f5 
9.Ng3 Nh6 10.Bd3 b6 11.Qe2 Nb4 12.Nh5 Qe8 13.Nh2 Nxd3+ 14.cxd3 Bb7 15.Rg1 
f4 16.g4 f3 17.Qe3 Qg6 18.g5 Nf5 19.Qf4 Qxh5 20.Ng4 Nh4 21.Nh6+ gxh6 22.
gxh6+ Ng6 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "6"]
[White "Gutierrez Mangel, Joaquin"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "B22"]
[EventDate "1958.01.20"]
[PlyCount "39"]

1.e4 c5 2.c3 e6 3.d4 d5 4.exd5 exd5 5.Nf3 Nf6 6.Bg5 cxd4 7.Nxd4 Be7 8.Bd3 
Nc6 9.O-O O-O 10.Re1 Re8 11.Nd2 h6 12.Bh4 Ng4 13.Bxe7 Rxe7 14.N2f3 Nf6 15.
Rxe7 Qxe7 16.Qb3 Bg4 17.Re1 Qc7 18.h3 Bxf3 19.Nxf3 Rd8 20.Qb5 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "6"]
[White "Martin, Pedro"]
[Black "Sanchez, Frank"]
[Result "1/2-1/2"]
[ECO "A18"]
[EventDate "1958.01.20"]
[PlyCount "48"]

1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 Qxf6 7.d4 b6 8.Nf3 h6
9.Be2 Bd6 10.Nd2 Bb7 11.Bf3 Bxf3 12.Nxf3 O-O 13.Qa4 Qe7 14.O-O Qd7 15.Qc2 
Nc6 16.Rd1 Na5 17.c5 Be7 18.Ne5 Qe8 19.cxb6 cxb6 20.Rd3 Nc6 21.Nc4 b5 22.
Nd2 Rc8 23.Qd1 Qd7 24.Nb3 Qd5 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "6"]
[White "Munoz, Francisco"]
[Black "Davila, Edmundo"]
[Result "0-1"]
[ECO "B76"]
[EventDate "1958.01.20"]
[PlyCount "108"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.f3 g6 7.Be3 Bg7 8.Qd2 
O-O 9.O-O-O Bd7 10.g4 a6 11.h4 Rc8 12.h5 Ne5 13.Bh6 Nc4 14.Bxc4 Rxc4 15.
Bxg7 Kxg7 16.hxg6 fxg6 17.Qh6+ Kg8 18.e5 dxe5 19.Ne6 Bxe6 20.Rxd8 Rxd8 21.
Ne4 Rxe4 22.fxe4 Bxg4 23.Qg5 Rd4 24.Qxe5 Rxe4 25.Qg5 Kf7 26.Rxh7+ Nxh7 27.
Qd5+ Re6 28.Qxb7 Bf5 29.c4 Nf6 30.b4 Re2 31.Qxa6 Bd3 32.a4 Ne4 33.Qb7 Rc2+
34.Kd1 Nf2+ 35.Ke1 Be4 36.Qc7 Nd3+ 37.Kf1 Nxb4 38.Qf4+ Bf5 39.a5 Nd3 40.
Qh6 Rf2+ 41.Kg1 Ra2 42.Qh7+ Kf6 43.Qh4+ Ke6 44.Qd4 Ne5 45.Qd5+ Kf6 46.Qd4 
Rd2 47.Qh4+ Ke6 48.Qe1 Bg4 49.Qe3 Kf5 50.Qh6 Nf3+ 51.Kf1 e5 52.a6 Rh2 53.
Qf8+ Ke4 54.Qa8+ Kf4 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "6"]
[White "Najdorf, Miguel"]
[Black "Humerez, Cidar"]
[Result "1-0"]
[ECO "D37"]
[EventDate "1958.01.20"]
[PlyCount "49"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.e3 O-O 6.b3 Nbd7 7.Bd3 c5 8.O-O cxd4
9.exd4 b6 10.Qe2 Bb7 11.Bb2 a6 12.Rad1 Ra7 13.Ne5 Qa8 14.f4 Rd8 15.cxd5 
Nxe5 16.fxe5 Nxd5 17.Bxh7+ Kf8 18.Rxf7+ Ke8 19.Bg6 Kd7 20.Ba3 Re8 21.Nxd5 
Bxd5 22.Rdf1 Kd8 23.Bxe7+ Rexe7 24.Rxe7 Kxe7 25.Qd2 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "6"]
[White "Perez, Francisco Jose"]
[Black "Perez, Jaime"]
[Result "1-0"]
[ECO "E38"]
[EventDate "1958.01.20"]
[PlyCount "95"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.e3 O-O 6.Nf3 d5 7.a3 Bxc3+ 8.bxc3 b6
9.cxd5 exd5 10.dxc5 bxc5 11.Be2 Nc6 12.O-O Bg4 13.c4 d4 14.Rd1 Re8 15.exd4
cxd4 16.Bb2 Qe7 17.Kf1 Rad8 18.Re1 Qd6 19.Kg1 d3 20.Bxd3 Qxd3 21.Qxd3 Rxd3
22.Bxf6 Rxe1+ 23.Nxe1 Rb3 24.Bg5 Rc3 25.h3 Be6 26.c5 Rxc5 27.Be3 Ra5 28.
Nd3 h6 29.Nc5 Bf5 30.g4 Bc8 31.a4 f5 32.Rc1 fxg4 33.Bd2 Nd4 34.Kf1 Rxc5 
35.Rxc5 Ba6+ 36.Kg2 Nb3 37.Rc2 gxh3+ 38.Kxh3 Nxd2 39.Rxd2 Bc4 40.Rd4 Be2 
41.Kg3 Kh7 42.f3 Bf1 43.Kf2 Bh3 44.Rd8 Be6 45.Ra8 g5 46.Rxa7+ Kg6 47.Ra6 
Kf5 48.a5 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "7"]
[White "Ader Hausman, Walter"]
[Black "Denis, Francisco"]
[Result "1-0"]
[ECO "E40"]
[EventDate "1958.01.20"]
[PlyCount "51"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 Bxc3+ 5.bxc3 d6 6.Bd3 Nbd7 7.Ne2 e5 8.O-O 
O-O 9.Ng3 Nb6 10.f4 Re8 11.fxe5 dxe5 12.e4 Bg4 13.Qc2 Nh5 14.Nf5 Qd7 15.c5
Nc8 16.Bc4 Nf6 17.Bg5 Bxf5 18.Rxf5 Ne7 19.Rxe5 Ng4 20.Rxe7 Rxe7 21.Bxe7 
Ne3 22.Bxf7+ Kh8 23.Qe2 Nxg2 24.Bg5 Qxf7 25.Qxg2 Qc4 26.Qf3 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "7"]
[White "Cuellar Gacharna, Miguel"]
[Black "De Greiff, Boris"]
[Result "1-0"]
[ECO "E40"]
[EventDate "1958.01.20"]
[PlyCount "95"]

1.c4 Nf6 2.d4 e6 3.Nc3 Bb4 4.e3 Nc6 5.Ne2 d5 6.a3 Be7 7.cxd5 exd5 8.Nf4 
O-O 9.Bd3 Be6 10.O-O Qd7 11.Qc2 Bd6 12.Nxe6 Qxe6 13.Bf5 Qe8 14.Nb5 Qd8 15.
Nxd6 Qxd6 16.f3 g6 17.Bd3 Nd7 18.Bd2 Rae8 19.Rac1 f5 20.g3 Rf7 21.Bb5 Ndb8
22.Qb3 a6 23.Bxc6 bxc6 24.Qd3 h5 25.Rf2 Qe6 26.Rc3 g5 27.Rc1 Ref8 28.Re1 
Re8 29.Rfe2 g4 30.Rf2 Nd7 31.fxg4 hxg4 32.Ref1 Ref8 33.Qxa6 Nf6 34.Rxf5 
Ne4 35.Rxf7 Rxf7 36.Qe2 Rxf1+ 37.Kxf1 Qf5+ 38.Ke1 Ng5 39.Kd1 Qb1+ 40.Bc1 
Qe4 41.a4 c5 42.a5 cxd4 43.exd4 Qxd4+ 44.Kc2 Nf7 45.Bd2 Qa4+ 46.Kb1 Qd7 
47.Bb4 Nd6 48.Bxd6 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "7"]
[White "Davila, Edmundo"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "A05"]
[EventDate "1958.01.20"]
[PlyCount "65"]

1.Nf3 Nf6 2.b3 g6 3.Bb2 Bg7 4.c4 d6 5.g3 Nbd7 6.Bg2 O-O 7.O-O e5 8.Nc3 c6 
9.d4 Qc7 10.e4 Ne8 11.dxe5 Qa5 12.Qc1 dxe5 13.Ba3 c5 14.Nd5 Nc7 15.b4 Qa4 
16.Nxc7 Rb8 17.bxc5 Qc6 18.Nd5 Re8 19.Qe3 Nf8 20.Rfd1 Bg4 21.h3 Bxf3 22.
Qxf3 Ne6 23.Bb2 Nf8 24.h4 f6 25.Bh3 Kf7 26.g4 Kg8 27.g5 fxg5 28.hxg5 Ne6 
29.Nf6+ Bxf6 30.Qxf6 Nf4 31.Kh2 Qxf6 32.gxf6 Kf7 33.Bd7 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "7"]
[White "Humerez, Cidar"]
[Black "Munoz, Francisco"]
[Result "1-0"]
[ECO "C14"]
[EventDate "1958.01.20"]
[PlyCount "83"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qd2 a6 8.f4 c5
9.Nf3 Nc6 10.Be2 b5 11.a3 Bb7 12.O-O Rc8 13.Rad1 O-O 14.Bd3 b4 15.axb4 
Nxb4 16.Ng5 Nxd3 17.Qxd3 f5 18.exf6 gxf6 19.Nf3 cxd4 20.Nxd4 Nc5 21.Qh3 f5
22.Nf3 Ne4 23.Nxe4 fxe4 24.Nd4 Rf6 25.Qh5 Rcf8 26.Qe5 Qf7 27.g3 Bc8 28.
Rfe1 Qb7 29.Re3 Qa7 30.Kg2 Qg7 31.Rc3 Qg4 32.Rxc8 Rxc8 33.Qxf6 Rxc2+ 34.
Nxc2 Qf3+ 35.Kh3 Qh5+ 36.Kg2 Qf3+ 37.Kh3 Qh5+ 38.Qh4 Qxd1 39.Qd8+ Kf7 40.
Qd7+ Kf6 41.Qd8+ Kf7 42.Qd7+ 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "7"]
[White "Lombardy, William James"]
[Black "Cuellar Jimenez, Alfredo"]
[Result "1-0"]
[ECO "E60"]
[EventDate "1958.01.20"]
[PlyCount "89"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.d4 d6 5.c4 O-O 6.O-O Nc6 7.d5 Na5 8.Nfd2 c5 
9.a3 b6 10.b4 Nb7 11.Bb2 cxb4 12.axb4 a5 13.Nc3 Bd7 14.Qb3 Qc7 15.Rfc1 
axb4 16.Qxb4 Nc5 17.h3 Rfb8 18.Nf3 Ne8 19.Nb5 Bxb5 20.cxb5 Ra5 21.Bxg7 
Nxg7 22.Nd4 Rba8 23.Qb2 Ne8 24.Nc6 Rxa1 25.Rxa1 Rxa1+ 26.Qxa1 Qb7 27.e4 e5
28.dxe6 fxe6 29.f4 Qc7 30.h4 h6 31.Bf3 Qg7 32.Qa8 Kf8 33.e5 d5 34.Bg4 Qd7 
35.Nd4 h5 36.Bh3 Kg7 37.Qb8 Nc7 38.Qxb6 Qe7 39.Qc6 Kf7 40.Kh2 Ne8 41.b6 
Ng7 42.Qc8 Nf5 43.Bxf5 exf5 44.Nc6 Qd7 45.b7 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "7"]
[White "Medina Garcia, Antonio Angel"]
[Black "Martin, Pedro"]
[Result "1/2-1/2"]
[ECO "C71"]
[EventDate "1958.01.20"]
[PlyCount "34"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c4 Bg4 6.Nc3 Nf6 7.h3 Bxf3 8.Qxf3 
Be7 9.O-O O-O 10.Ne2 Nd7 11.Bxc6 bxc6 12.d4 Bf6 13.Be3 exd4 14.Bxd4 Rc8 
15.Rad1 c5 16.Bxf6 Qxf6 17.Qxf6 Nxf6 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "7"]
[White "Panno, Oscar"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1958.01.20"]
[PlyCount "54"]

1.c4 Nf6 2.Nf3 c5 3.g3 d5 4.cxd5 Nxd5 5.d4 cxd4 6.Nxd4 Nb4 7.Qa4+ N8c6 8.
Nxc6 Nxc6 9.Bg2 Bd7 10.O-O e6 11.Rd1 Qa5 12.Qxa5 Nxa5 13.Bd2 Nc6 14.Bc3 f6
15.Nd2 Be7 16.Ne4 Rd8 17.Nd6+ Bxd6 18.Rxd6 Ke7 19.Rad1 e5 20.Be4 h6 21.f3 
Be6 22.Bxc6 Rxd6 23.Bb4 bxc6 24.Rxd6 Rb8 25.Ba3 Ra8 26.Rxc6+ Kf7 27.Rc7+ 
Kg8 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "7"]
[White "Perez, Jaime"]
[Black "Del Pozo, Nestor"]
[Result "1-0"]
[ECO "A32"]
[EventDate "1958.01.20"]
[PlyCount "103"]

1.c4 c5 2.Nc3 Nf6 3.Nf3 e6 4.d4 cxd4 5.Nxd4 Be7 6.e4 Nc6 7.Be2 Bb4 8.Nxc6 
bxc6 9.Qc2 Qa5 10.Bd2 O-O 11.O-O d5 12.exd5 cxd5 13.a3 Bxc3 14.Bxc3 Qc7 
15.Bxf6 gxf6 16.Qc3 Qe5 17.Qf3 Bb7 18.Rfe1 Rab8 19.Bd3 Qg5 20.Qh3 f5 21.c5
a5 22.b4 axb4 23.axb4 Bc6 24.Rab1 Bb5 25.Qf3 Rfc8 26.Qe2 Bxd3 27.Qxd3 Qf4 
28.Qa3 Ra8 29.Qc1 Qxc1 30.Rexc1 Kf8 31.b5 Ke7 32.b6 Rab8 33.c6 Kd6 34.c7 
Rb7 35.f4 f6 36.Kf2 e5 37.Ke3 h6 38.h3 Kd7 39.Rc5 d4+ 40.Kd3 Re8 41.Rd5+ 
Kc8 42.Ra1 Rxb6 43.Ra8+ Kxc7 44.Rxe8 Kc6 45.Re6+ Kxd5 46.Rxb6 e4+ 47.Kd2 
Kc4 48.Rc6+ Kd5 49.Rxf6 Kc4 50.Rc6+ Kd5 51.Rxh6 e3+ 52.Kd3 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "7"]
[White "Sanchez, Frank"]
[Black "Gutierrez Mangel, Joaquin"]
[Result "1/2-1/2"]
[ECO "D45"]
[EventDate "1958.01.20"]
[PlyCount "83"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.e3 Nf6 5.Nf3 a6 6.cxd5 exd5 7.Bd3 Bd6 8.h3 O-O 
9.O-O Re8 10.Qc2 Qe7 11.Nd2 c5 12.dxc5 Bxc5 13.Na4 Ba7 14.Nf3 Nc6 15.Bd2 
Bd7 16.a3 Rac8 17.Qd1 Ne4 18.Nc3 Qd6 19.Be1 Nc5 20.Ne2 Bb8 21.Ng3 Qe7 22.
Nf5 Bxf5 23.Bxf5 Rcd8 24.Qe2 Rd6 25.g3 Ne6 26.Rd1 Qc7 27.Bxe6 fxe6 28.Nd4 
e5 29.Nf3 e4 30.Nd4 Ne5 31.f4 Nd3 32.Bc3 Ba7 33.Kh2 Qd7 34.Qg4 Qxg4 35.
hxg4 Bxd4 36.Bxd4 Rf8 37.Rd2 a5 38.f5 Kf7 39.g5 a4 40.Kg2 Rc6 41.Bc3 b5 
42.Ra1 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "7"]
[White "Sanchez, Luis Augusto"]
[Black "Bisguier, Arthur Bernard"]
[Result "1-0"]
[ECO "D22"]
[EventDate "1958.01.20"]
[PlyCount "97"]

1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.Qb3 Bxf3 8.gxf3 
b5 9.Be2 Nd7 10.a4 b4 11.f4 Ngf6 12.Bf3 c5 13.Bxa8 Qxa8 14.Rg1 cxd4 15.
exd4 Bd6 16.Nd2 Bxf4 17.Qxb4 Nd5 18.Qa3 Qc6 19.a5 Qc2 20.Rxg7 e5 21.Qa4 
Bxd2+ 22.Bxd2 Qe4+ 23.Kd1 Qf3+ 24.Kc1 exd4 25.Qxd4 Ke7 26.Bg5+ Kd6 27.Kd2 
Re8 28.Be3 Re4 29.Qa7 Rxe3 30.fxe3 Qf2+ 31.Kc1 Qf1+ 32.Kc2 Qe2+ 33.Kc1 
Qe1+ 34.Kc2 Nb4+ 35.Kb3 Qxa1 36.Qd4+ Nd5 37.e4 Nc5+ 38.Kc2 Nxe4 39.Qxe4 
Qxa5 40.Qd4 Ke6 41.Qe4+ Kd6 42.Rxf7 Nb4+ 43.Kd2 Nd5+ 44.Kc1 Qc5+ 45.Kb1 
Qg1+ 46.Ka2 a5 47.Qd3 Qg8 48.Rxh7 Kc6 49.Rh6+ 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "8"]
[White "Ader Hausman, Walter"]
[Black "Lombardy, William James"]
[Result "0-1"]
[ECO "C96"]
[EventDate "1958.01.20"]
[PlyCount "81"]

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 c6 11.d4 Qc7 12.Nbd2 Re8 13.Nf1 Nc4 14.b3 Nb6 15.Ne3 Bf8 
16.Nf5 Bxf5 17.exf5 exd4 18.Rxe8 Rxe8 19.Nxd4 c5 20.Ne2 d5 21.a4 bxa4 22.
bxa4 Qe5 23.Kf1 Ne4 24.Bf4 Qxf5 25.f3 g5 26.fxe4 dxe4 27.Qc1 Nd5 28.c4 
Nxf4 29.Nxf4 gxf4 30.Qd1 Bg7 31.Rb1 f3 32.Qxf3 Qe5 33.Qe2 e3 34.Re1 Qf4+ 
35.Kg1 Qg3 36.Bd3 h5 37.Rb1 Be5 38.Qxh5 Qh2+ 39.Kf1 Qh1+ 40.Ke2 Qxg2+ 41.
Kxe3 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "8"]
[White "Bisguier, Arthur Bernard"]
[Black "Perez, Jaime"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "8"]
[White "Cuellar Jimenez, Alfredo"]
[Black "Sanchez, Frank"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "8"]
[White "De Greiff, Boris"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "8"]
[White "Del Pozo, Nestor"]
[Black "Davila, Edmundo"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "8"]
[White "Denis, Francisco"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "B20"]
[EventDate "1958.01.20"]
[PlyCount "48"]

1.e4 c5 2.b3 Nc6 3.Bb2 e6 4.f4 d5 5.Bd3 dxe4 6.Bxe4 Bd7 7.Nc3 Nf6 8.Bd3 
Qc7 9.Nb5 Qxf4 10.Ne2 Qb8 11.O-O Ne5 12.Bxe5 Qxe5 13.Ng3 a6 14.Nc3 Bc6 15.
Qe1 Qd4+ 16.Qf2 Qxf2+ 17.Rxf2 c4 18.Be4 Bc5 19.Bxc6+ bxc6 20.bxc4 Rb8 21.
Kf1 Bxf2 22.Kxf2 Ke7 23.h3 Rhd8 24.d3 Rb2 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "8"]
[White "Gutierrez Mangel, Joaquin"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "8"]
[White "Martin, Pedro"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "8"]
[White "Munoz, Francisco"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B95"]
[EventDate "1958.01.20"]
[PlyCount "62"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.Qd2 h6 8.Be3 Ng4
9.Be2 Nxe3 10.Qxe3 Be7 11.O-O Nc6 12.Rfd1 O-O 13.Bf1 Qc7 14.Nxc6 bxc6 15.
Ne2 Rb8 16.b3 a5 17.Rab1 e5 18.g3 f5 19.Bg2 fxe4 20.c4 Bg5 21.Qxe4 Qa7 22.
c5 Qxc5 23.Qc4+ Qxc4 24.bxc4 Bg4 25.Kf1 Rxb1 26.Rxb1 Be3 27.Nf4 exf4 28.
fxe3 fxe3+ 29.Ke1 Rf2 30.Bxc6 Re2+ 31.Kf1 Rxa2 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "8"]
[White "Perez, Francisco Jose"]
[Black "Humerez, Cidar"]
[Result "0-1"]
[ECO "A34"]
[EventDate "1958.01.20"]
[PlyCount "68"]

1.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 5.g3 Nc6 6.Bg2 Nc7 7.O-O e5 8.d3 
Be7 9.Be3 Rb8 10.Nd2 O-O 11.Nc4 f6 12.f4 Be6 13.fxe5 Nxe5 14.Nxe5 fxe5 15.
Qa4 Rxf1+ 16.Rxf1 b5 17.Qxa7 b4 18.Nd1 Nb5 19.Qa6 Rb6 20.Qa4 Rb8 21.Qc2 
Rc8 22.Bb7 Rc7 23.Ba6 Nd4 24.Bxd4 cxd4 25.Bc4 Kh8 26.Nf2 Bg5 27.Ne4 Be3+ 
28.Kh1 Bd5 29.Qb3 Rxc4 30.dxc4 Bxe4+ 31.Rf3 Qa8 32.Kg2 d3 33.Qxb4 dxe2 34.
Kh3 Bxf3 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "9"]
[White "Cuellar Gacharna, Miguel"]
[Black "Gutierrez Mangel, Joaquin"]
[Result "1-0"]
[ECO "D45"]
[EventDate "1958.01.20"]
[PlyCount "57"]

1.Nf3 d5 2.c4 c6 3.d4 Nf6 4.Nc3 e6 5.e3 Nbd7 6.b3 Bb4 7.Bd2 O-O 8.Bd3 Qe7 
9.Ne5 Nxe5 10.dxe5 Nd7 11.O-O Nxe5 12.Bxh7+ Kxh7 13.Qh5+ Kg8 14.Qxe5 f6 
15.Qh5 dxc4 16.bxc4 e5 17.Rab1 Bxc3 18.Bxc3 Be6 19.Qh4 Qf7 20.f4 e4 21.f5 
Bxc4 22.Rf4 Rfd8 23.Qh3 Qe7 24.Rh4 Kf8 25.Rh8+ Bg8 26.Qh7 Kf7 27.Qg6+ Kf8 
28.h4 Rd3 29.h5 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "9"]
[White "Davila, Edmundo"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "D04"]
[EventDate "1958.01.20"]
[PlyCount "64"]

1.Nf3 d5 2.d4 Nf6 3.e3 g6 4.Bd3 c5 5.c3 b6 6.Nbd2 Bg7 7.O-O O-O 8.dxc5 
bxc5 9.e4 e6 10.c4 Ba6 11.exd5 exd5 12.Re1 Nbd7 13.Qc2 Bb7 14.cxd5 Nxd5 
15.a3 Qc7 16.Nc4 N7f6 17.Bf1 Rae8 18.Bd2 Nf4 19.Ba5 Qb8 20.Rxe8 Nxe8 21.
Rd1 Ne6 22.Be2 Nf6 23.Bc3 Be4 24.Qc1 Nd5 25.Bxg7 Kxg7 26.Ng5 Nef4 27.Qd2 
Bxg2 28.Ne3 Qe5 29.Bf3 Bxf3 30.Nxf3 Qh5 31.Nxd5 Qg4+ 32.Kf1 Qg2+ 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "9"]
[White "Humerez, Cidar"]
[Black "Del Pozo, Nestor"]
[Result "1/2-1/2"]
[ECO "C97"]
[EventDate "1958.01.20"]
[PlyCount "98"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.h3 d6 
9.c3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Re8 13.Nf1 Bb7 14.a4 b4 15.Ng3 h6 16.
cxb4 cxb4 17.b3 Rac8 18.Ra2 exd4 19.Nxd4 Bf8 20.Bb1 d5 21.Rc2 Qb8 22.Rxc8 
Bxc8 23.Bb2 Nxe4 24.Nxe4 dxe4 25.Rxe4 Rxe4 26.Bxe4 Bb7 27.Bb1 Qf4 28.Qd3 
g6 29.Qe2 Qg5 30.Nf3 Qd5 31.Ne1 Qxb3 32.Qe5 f5 33.Qh8+ Kf7 34.Qh7+ Ke8 35.
Qxg6+ Qf7 36.Qg3 Qe6 37.Nd3 Bd6 38.Ne5 Nc4 39.Bxf5 Qxf5 40.Qg8+ Ke7 41.
Qg7+ Ke8 42.Qg8+ Ke7 43.Qxc4 Bxe5 44.Qxb4+ Ke8 45.Bxe5 Qxe5 46.Qxb7 Qa1+ 
47.Kh2 Qxa4 48.Qc8+ Kf7 49.Qf5+ Kg7 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "9"]
[White "Lombardy, William James"]
[Black "Denis, Francisco"]
[Result "1-0"]
[ECO "C65"]
[EventDate "1958.01.20"]
[PlyCount "59"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Nf6 5.O-O O-O 6.d4 exd4 7.cxd4 Bb6 8.e5 
Ne4 9.d5 Ne7 10.d6 cxd6 11.exd6 Nf5 12.Qd5 Nfxd6 13.Bd3 Qe7 14.Nc3 Re8 15.
Bf4 Qe6 16.Rae1 Qxd5 17.Nxd5 Re6 18.Nxb6 axb6 19.Nd4 Nc5 20.Nxe6 dxe6 21.
Rd1 e5 22.Bxe5 Nf5 23.Bc4 Be6 24.Bxe6 fxe6 25.a3 Re8 26.Rfe1 Re7 27.Rd8+ 
Kf7 28.Red1 h6 29.g4 Nh4 30.Bd6 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "9"]
[White "Medina Garcia, Antonio Angel"]
[Black "Cuellar Jimenez, Alfredo"]
[Result "1-0"]
[ECO "E73"]
[EventDate "1958.01.20"]
[PlyCount "87"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 e5 6.d5 Nbd7 7.Qc2 a5 8.Bg5 Nc5 
9.Nf3 Bd7 10.h3 b6 11.Nd2 O-O 12.g4 Qe8 13.Nb5 Qc8 14.f3 Ne8 15.O-O-O f6 
16.Be3 Rf7 17.Kb1 Bf8 18.Rdg1 c6 19.Nc3 Nc7 20.dxc6 Bxc6 21.h4 Bd7 22.g5 
fxg5 23.hxg5 a4 24.Rh2 Qb7 25.Rgh1 N5e6 26.Nd5 Nxd5 27.exd5 Nc5 28.Qxg6+ 
Rg7 29.Qc2 Be8 30.Bxc5 Bg6 31.Ne4 bxc5 32.Nf6+ Kf7 33.Bd3 Rb8 34.Bxg6+ 
hxg6 35.Qxa4 Be7 36.Ne4 Ra8 37.Qc2 Qd7 38.f4 exf4 39.Rh4 Qf5 40.Rf1 Kg8 
41.Rfxf4 Qe5 42.Qh2 Rf7 43.Nf6+ Rxf6 44.Rh8+ 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "Munoz, Francisco"]
[Result "1-0"]
[ECO "E73"]
[EventDate "1958.01.20"]
[PlyCount "86"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c6 7.Nf3 h6 8.Bd2 Kh7 
9.h3 e5 10.d5 cxd5 11.cxd5 Nbd7 12.Be3 b6 13.Nd2 a5 14.O-O Nc5 15.a3 a4 
16.Bxc5 bxc5 17.Nxa4 Ne8 18.Nc4 Rb8 19.Bd3 f5 20.f3 f4 21.Kf2 Rf7 22.Rb1 
Rfb7 23.Nc3 h5 24.Ke2 g5 25.Rh1 Kg6 26.Kd2 Bd7 27.b3 Bf8 28.Qc2 Ra8 29.b4 
cxb4 30.Rxb4 Rxb4 31.axb4 Nc7 32.Nb6 Na6 33.Nxa8 Nxb4 34.Qb2 Nxd3 35.Kxd3 
Qxa8 36.Ra1 Qc8 37.Ra7 g4 38.hxg4 hxg4 39.Qb7 gxf3 40.Qxc8 Bxc8 41.gxf3 
Bh3 42.Ke2 Kf6 43.Nb5 Be7 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "9"]
[White "Panno, Oscar"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "D66"]
[EventDate "1958.01.20"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Nbd7 5.e3 Be7 6.Nf3 h6 7.Bh4 O-O 8.Rc1 c6 
9.Bd3 Re8 10.O-O Nf8 11.Qe2 N8d7 12.Rfd1 dxc4 13.Bxc4 Nd5 14.Bg3 N7f6 15.
Ne5 Nxc3 16.bxc3 Qa5 17.e4 Rd8 18.Bd3 Bd7 19.Nc4 Qh5 20.f3 Be8 21.Bc7 Rdc8
22.Bd6 Bxd6 23.Nxd6 Rc7 24.e5 Nd7 25.Qe4 Nf8 26.c4 Qg5 27.f4 Qe7 28.Rf1 f5
29.Qf3 Rd8 30.c5 g6 31.Rb1 Kh8 32.Rf2 Rdd7 33.g4 Kh7 34.Rg2 Qd8 35.Rgb2 
Re7 36.Qe3 Qd7 37.h3 Rg7 38.Kh2 Kh8 39.Rxb7 Qd8 40.Rb8 Qh4 41.Nxe8 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "9"]
[White "Perez, Jaime"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "B92"]
[EventDate "1958.01.20"]
[PlyCount "93"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.a4 b6 10.Be3 Be6 11.Nd2 Qc7 12.Re1 Nbd7 13.Nf1 Rfc8 14.f3 Qb7 15.Bf2
d5 16.exd5 Nxd5 17.Nxd5 Bxd5 18.Ne3 Be6 19.Qd2 Bc5 20.Bd3 Nf6 21.Nf5 Bxf5 
22.Bxf5 Rd8 23.Qe2 Qc7 24.Bd3 a5 25.Qxe5 Bd6 26.Qb5 Bxh2+ 27.Kf1 Rab8 28.
Rad1 Bd6 29.Qc4 Bc5 30.Qh4 Bxf2 31.Kxf2 Qc5+ 32.Kf1 Rd5 33.g4 Rd4 34.Qg3 
Rbd8 35.Re5 Qd6 36.Rde1 g6 37.g5 Nh5 38.Re8+ Rxe8 39.Rxe8+ Kg7 40.Qxd6 
Rxd6 41.Bc4 Ng3+ 42.Ke1 Nf5 43.c3 h6 44.gxh6+ Nxh6 45.b4 Rf6 46.bxa5 bxa5 
47.Be2 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "9"]
[White "Sanchez, Frank"]
[Black "Ader Hausman, Walter"]
[Result "0-1"]
[ECO "A60"]
[EventDate "1958.01.20"]
[PlyCount "44"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.dxe6 fxe6 5.Bg5 Be7 6.Nc3 O-O 7.Nf3 b5 8.Nxb5 
d5 9.e3 Nc6 10.Be2 a6 11.Nc3 d4 12.Bxf6 Bxf6 13.Ne4 Rb8 14.b3 d3 15.Nxf6+ 
Qxf6 16.Bxd3 Nb4 17.Be4 Bb7 18.Bxb7 Qc3+ 19.Nd2 Nd3+ 20.Kf1 Rxf2+ 21.Kg1 
Rxd2 22.Qb1 Rxb7 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "9"]
[White "Sanchez, Luis Augusto"]
[Black "Martin, Pedro"]
[Result "1/2-1/2"]
[ECO "C71"]
[EventDate "1958.01.20"]
[PlyCount "45"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c4 Bg4 6.h3 Bxf3 7.Qxf3 Nf6 8.Nc3 
Be7 9.O-O O-O 10.Bxc6 bxc6 11.d3 Nd7 12.Be3 Bf6 13.Rad1 Re8 14.d4 exd4 15.
Bxd4 Rb8 16.b3 Bxd4 17.Rxd4 Qg5 18.Qd1 Re6 19.Rd3 Nc5 20.Re3 a5 21.Rfe1 
Rbe8 22.Qg4 Qxg4 23.hxg4 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "10"]
[White "Ader Hausman, Walter"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[ECO "E90"]
[EventDate "1958.01.20"]
[PlyCount "140"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 Bg4 6.Be2 Nfd7 7.Be3 e5 8.d5 O-O 
9.Nd2 Bxe2 10.Qxe2 c5 11.h4 Nf6 12.g4 Nbd7 13.f3 a6 14.h5 Rb8 15.Nf1 Qa5 
16.Ng3 b5 17.Bd2 bxc4 18.Nd1 Qd8 19.Qh2 Re8 20.hxg6 fxg6 21.g5 Nh5 22.Nxh5
gxh5 23.Qxh5 Nf8 24.Bc3 Re7 25.Rc1 Rf7 26.Rc2 Qd7 27.Ne3 Qa4 28.a3 Qb3 29.
Rch2 Qa4 30.Rf1 Qb3 31.Nf5 Rd8 32.Rff2 Qb5 33.Rfg2 Qe8 34.g6 hxg6 35.Rxg6 
Nxg6 36.Qxg6 Rxf5 37.Qxf5 Qf7 38.Qh7+ Kf8 39.Bd2 Bf6 40.Qf5 Bg7 41.Qxf7+ 
Kxf7 42.Bc1 Bf6 43.Rc2 Rh8 44.Rxc4 Rh2 45.b4 Bh4+ 46.Kd1 Bf2 47.f4 cxb4 
48.axb4 Bd4 49.fxe5 Bxe5 50.Be3 Rh1+ 51.Ke2 Rh2+ 52.Kd3 Rh3 53.Rc2 Bf4 54.
Rf2 Rxe3+ 55.Kd4 Rb3 56.Rxf4+ Ke7 57.Kc4 Re3 58.Rh4 Kd8 59.b5 axb5+ 60.
Kxb5 Rc3 61.Rh7 Rc1 62.Ra7 Rc2 63.Ra4 Kd7 64.Rc4 Rxc4 65.Kxc4 Kc8 66.Kb4 
Kb8 67.Ka4 Ka7 68.Kb5 Kb7 69.Kc4 Kc8 70.Kd4 Kd8 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "10"]
[White "Bisguier, Arthur Bernard"]
[Black "Humerez, Cidar"]
[Result "1-0"]
[ECO "D61"]
[EventDate "1958.01.20"]
[PlyCount "80"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 Be7 6.Nf3 O-O 7.Qc2 dxc4 8.Bxc4 
c5 9.dxc5 Nxc5 10.O-O a6 11.Rfd1 Ncd7 12.Bd3 h6 13.Bh4 Nh5 14.Bxe7 Qxe7 
15.Rac1 Nhf6 16.e4 Ng4 17.Be2 Nde5 18.Na4 Bd7 19.Nb6 Rad8 20.Qc7 Nxf3+ 21.
Bxf3 Nf6 22.e5 Nd5 23.Nxd5 exd5 24.Qxb7 Qxe5 25.Rxd5 Qf4 26.Rdd1 Bc8 27.
Qc6 Rfe8 28.h3 Qb4 29.b3 Qa5 30.Rxd8 Rxd8 31.Qc7 Qg5 32.Qc5 Qf6 33.Be4 Be6
34.Qa5 Bc8 35.Qc7 Be6 36.Qc3 Qg5 37.Qe3 Qf6 38.f4 g6 39.Rf1 Rd6 40.Kh2 Kg7
1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "10"]
[White "Cuellar Jimenez, Alfredo"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "D94"]
[EventDate "1958.01.20"]
[PlyCount "128"]

1.d4 d5 2.c4 c6 3.e3 Nf6 4.Nc3 g6 5.Nf3 Bg7 6.Bd3 O-O 7.O-O dxc4 8.Bxc4 b5
9.Bb3 Bb7 10.Qe2 Nbd7 11.Rd1 Nb6 12.e4 b4 13.e5 bxc3 14.exf6 exf6 15.bxc3 
Re8 16.Be3 Nd5 17.Qd3 a5 18.a3 Nxe3 19.fxe3 f5 20.c4 c5 21.Ba4 Bxf3 22.
gxf3 Qg5+ 23.Kf2 Red8 24.d5 f4 25.Bb5 Bxa1 26.Rxa1 fxe3+ 27.Qxe3 Qxe3+ 28.
Kxe3 Kg7 29.Rc1 Rd6 30.a4 g5 31.Kf2 Kf6 32.Re1 Rdd8 33.Kg3 Rd6 34.Kg4 h5+ 
35.Kg3 Rg8 36.h3 h4+ 37.Kg2 Rb8 38.Kf2 Rdd8 39.Re4 Rb7 40.Re2 Re7 41.Rb2 
Ke5 42.Re2+ Kd6 43.Rb2 Rb8 44.Rb1 Re5 45.Rb3 Rb7 46.Rb2 f6 47.Rd2 f5 48.
Rb2 g4 49.fxg4 fxg4 50.hxg4 Rf7+ 51.Kg2 Re3 52.Kh2 Rff3 53.Rg2 Rh3+ 54.Kg1
Reg3 55.g5 Rxg2+ 56.Kxg2 Rg3+ 57.Kh2 Ke5 58.Bc6 Rc3 59.Bb5 Rd3 60.g6 Kf6 
61.Be8 Rd4 62.d6 Rxd6 63.Bb5 Rd4 64.Kh3 Kxg6 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "10"]
[White "De Greiff, Boris"]
[Black "Davila, Edmundo"]
[Result "1-0"]
[ECO "E45"]
[EventDate "1958.01.20"]
[PlyCount "59"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.a3 Be7 7.Nf4 O-O 8.e4 d6 9.
Bd3 c5 10.d5 e5 11.Nfe2 Bc8 12.O-O Nh5 13.f4 Nxf4 14.Nxf4 exf4 15.e5 Nd7 
16.exd6 Bxd6 17.Bxf4 Bxf4 18.Rxf4 Nf6 19.Qf3 a6 20.Rf1 Qd6 21.Qe2 Nd7 22.
Rh4 Nf6 23.Rhf4 Nd7 24.Rf5 f6 25.Qe6+ Qxe6 26.dxe6 Ne5 27.Rxe5 fxe5 28.
Bxh7+ Kxh7 29.Rxf8 Bb7 30.e7 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "10"]
[White "Del Pozo, Nestor"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "E80"]
[EventDate "1958.01.20"]
[PlyCount "116"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 c6 6.Be3 a6 7.Qd2 b5 8.Bd3 O-O 9.
cxb5 axb5 10.Nge2 e5 11.dxe5 dxe5 12.Nc1 Be6 13.O-O Na6 14.a3 Nd7 15.Qf2 
Qe7 16.Bc2 Bf6 17.g3 b4 18.Na4 c5 19.axb4 Nxb4 20.Nd3 Nxd3 21.Bxd3 c4 22.
Bc2 Rfb8 23.Nb6 Nxb6 24.Bxb6 Qb4 25.Rxa8 Rxa8 26.Rb1 Be7 27.Be3 Ra2 28.Qd2
Rxb2 29.Qxb4 Rxb4 30.Bd2 Rxb1+ 31.Bxb1 Bc5+ 32.Kf1 Bd4 33.Ke2 Kf8 34.Bb4+ 
Ke8 35.g4 Kd7 36.Bc2 Kc7 37.Kd2 Bd7 38.h3 Bb5 39.Ba5+ Kd6 40.Bb4+ Ke6 41.
Bd1 Kf6 42.h4 Bf2 43.Ba5 Ke6 44.Bd8 f6 45.g5 Bxh4 46.Bxf6 h6 47.Bd8 Bxg5+ 
48.Bxg5 hxg5 49.Kc3 Kf6 50.Kb4 Ba6 51.Ka5 g4 52.fxg4 Bb7 53.Kb4 Bxe4 54.
Kxc4 Kg5 55.Kc5 Kf4 56.Kd6 g5 57.Ke6 Bg2 58.Kf6 e4 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "10"]
[White "Denis, Francisco"]
[Black "Munoz, Francisco"]
[Result "0-1"]
[ECO "B95"]
[EventDate "1958.01.20"]
[PlyCount "40"]

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 Nf6 6.Bg5 e6 7.Qd2 h6 8.Bh4 
Nxe4 9.Nxe4 Qxh4 10.Bd3 Nc6 11.Ne2 d5 12.N4g3 Bc5 13.c3 Ne5 14.O-O Bd7 15.
Rad1 Rd8 16.h3 Nxd3 17.Qxd3 O-O 18.Kh2 Bb5 19.Qd2 e5 20.Nf5 Qg5 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "10"]
[White "Gutierrez Mangel, Joaquin"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C73"]
[EventDate "1958.01.20"]
[PlyCount "105"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 f6 7.c4 Ne7 8.Nc3 g6
9.dxe5 fxe5 10.Qa4 Bg7 11.c5 O-O 12.Bg5 Bg4 13.O-O-O Bxf3 14.gxf3 Rxf3 15.
Qc4+ Rf7 16.cxd6 cxd6 17.Qe6 Qc8 18.Rxd6 Qxe6 19.Rxe6 Nc8 20.Be3 Rc7 21.
Re8+ Kf7 22.Rd8 Bf6 23.Rd3 Be7 24.Rhd1 Rb8 25.b3 Ke6 26.Na4 Rb5 27.Kc2 c5 
28.Rc3 Nb6 29.Nxb6 Rxb6 30.Rd5 Rbc6 31.Rc4 Bd6 32.Kd3 Rc8 33.Ra4 Rb8 34.
Ra5 Rb5 35.Bd2 Be7 36.Ra4 Bd6 37.Kc4 Rb8 38.Ra5 Be7 39.a3 Rcb6 40.Rd3 Rc6 
41.Be3 Rf8 42.Rd2 Rfc8 43.Rd5 Rf8 44.Rd2 Rfc8 45.f4 exf4 46.Bxf4 Rf8 47.
Be3 Rf3 48.Bxc5 Bxc5 49.Rxc5 Rxc5+ 50.Kxc5 Rxb3 51.a4 a5 52.Rd6+ Ke5 53.
Rd7 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "10"]
[White "Lombardy, William James"]
[Black "Sanchez, Frank"]
[Result "1-0"]
[ECO "D35"]
[EventDate "1958.01.20"]
[PlyCount "89"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Be7 6.e3 O-O 7.Nf3 Bf5 8.Qb3 
c6 9.Bxf6 Bxf6 10.Qxb7 Qb6 11.Qxb6 axb6 12.Kd2 Nd7 13.h3 h6 14.Bd3 Bxd3 
15.Kxd3 Rfd8 16.Rhc1 Kf8 17.Rc2 Nb8 18.Ke2 Na6 19.Rac1 c5 20.Rd2 c4 21.Ne1
Nb4 22.b3 b5 23.Rb1 Be7 24.bxc4 bxc4 25.Rdb2 Ra3 26.Kd2 Nc6 27.Nc2 Ra6 28.
Rb6 Rxb6 29.Rxb6 Na7 30.Rb7 Nc6 31.Rb5 Ra8 32.Rxd5 Nb4 33.Rb5 Nd3 34.f3 g6
35.Rb7 Bh4 36.Rc7 Nb2 37.a3 Be7 38.Nd1 Bd8 39.Rc5 Ba5+ 40.Rxa5 c3+ 41.Kxc3
Nxd1+ 42.Kb4 Rc8 43.Rc5 Re8 44.e4 Nf2 45.Kc3 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "10"]
[White "Martin, Pedro"]
[Black "Perez, Jaime"]
[Result "1-0"]
[ECO "E36"]
[EventDate "1958.01.20"]
[PlyCount "79"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 O-O 7.Bg5 Nbd7 8.e3 
c6 9.Qc2 Qe8 10.Nf3 Ne4 11.Bf4 f5 12.Bd3 h6 13.Ne5 Nxe5 14.Bxe5 Bd7 15.f3 
Nf6 16.c5 b5 17.O-O-O Nh7 18.h4 a5 19.g4 Ra7 20.Rdg1 Bc8 21.Rg2 Rff7 22.
Rhg1 g5 23.f4 Rg7 24.hxg5 hxg5 25.Bxg7 Rxg7 26.fxg5 fxg4 27.Rh1 Nxg5 28.
Rxg4 e5 29.Rgh4 Nf7 30.Bg6 Qe6 31.Bxf7+ Kxf7 32.Qf2+ Qf6 33.Qxf6+ Kxf6 34.
Rh6+ Kf5 35.Rxc6 Rg8 36.Rch6 exd4 37.Rh8 Rxh8 38.Rxh8 Bd7 39.exd4 Ke4 40.
Rd8 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "10"]
[White "Perez, Francisco Jose"]
[Black "Najdorf, Miguel"]
[Result "1-0"]
[ECO "E68"]
[EventDate "1958.01.20"]
[PlyCount "97"]

1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.Nf3 e5 5.e4 g6 6.g3 Bg7 7.Bg2 O-O 8.O-O exd4
9.Nxd4 Re8 10.b3 Nc5 11.Re1 a5 12.Rb1 Nfd7 13.f4 c6 14.Bb2 Qb6 15.Kh1 Nf6 
16.h3 Bd7 17.Nc2 Rad8 18.Ba1 Nh5 19.Kh2 f5 20.Qd2 Rf8 21.Nd4 Bh6 22.exf5 
Rf7 23.fxg6 hxg6 24.Nce2 Re8 25.Qc3 Kh7 26.Ng1 Ref8 27.Ngf3 Nxg3 28.Kxg3 
Bxf4+ 29.Kf2 Bf5 30.Rbd1 Ne4+ 31.Rxe4 Bxe4 32.c5 Bxf3 33.Ne6 Re8 34.Nxf4 
dxc5 35.Bxf3 Qc7 36.Ng2 Qh2 37.Re1 Ref8 38.Re3 Qxh3 39.Bb2 Kh6 40.Bc1 g5 
41.Qd3 Rf6 42.Qe4 b5 43.Bb2 g4 44.Bxf6 Rxf6 45.Rd3 c4 46.Qe3+ Kg6 47.Nf4+ 
Rxf4 48.Qxf4 cxd3 49.Qxg4+ 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "11"]
[White "Cuellar Gacharna, Miguel"]
[Black "Ader Hausman, Walter"]
[Result "1-0"]
[ECO "E60"]
[EventDate "1958.01.20"]
[PlyCount "141"]

1.Nf3 c5 2.g3 Nf6 3.Bg2 g6 4.c4 Bg7 5.O-O O-O 6.d4 d6 7.dxc5 dxc5 8.Ne5 
Nbd7 9.Nd3 Qc7 10.Nc3 a6 11.Bf4 e5 12.Be3 Rb8 13.a4 b6 14.a5 bxa5 15.Na4 
Re8 16.Qc2 Ng4 17.Bc1 e4 18.Nf4 f5 19.Nd5 Qa7 20.Bf4 Nge5 21.Rfd1 Nf8 22.
e3 Ne6 23.Bxe5 Bxe5 24.Nac3 Qg7 25.Rxa5 Bb7 26.f4 exf3 27.Bxf3 h5 28.Rc1 
Ng5 29.Bg2 Bd6 30.Qd2 Nf7 31.b3 Kh8 32.Ne2 Ne5 33.Nef4 Kg8 34.Ra3 Nc6 35.
Raa1 Be5 36.Rab1 Bc8 37.Rd1 h4 38.gxh4 Qh6 39.Qf2 Na5 40.Nd3 Bd6 41.Qd2 
Nc6 42.N3f4 Ne5 43.Qc3 Qg7 44.Kh1 Kh7 45.Rg1 Nd7 46.Qxg7+ Kxg7 47.Bf3 Bxf4
48.exf4 Bb7 49.h5 Re6 50.Rg3 Kh6 51.Rbg1 Nf8 52.h4 Bc6 53.hxg6 Rxg6 54.Ne7
Bxf3+ 55.Rxf3 Rxg1+ 56.Kxg1 Kh5 57.Rg3 Ne6 58.Kh2 Nd4 59.Rg5+ Kh6 60.Nxf5+
Nxf5 61.Rxf5 Rxb3 62.Rxc5 Ra3 63.Rc8 Kh5 64.c5 Kxh4 65.c6 Ra2+ 66.Kg1 Kg3 
67.Rg8+ Kf3 68.c7 Ra1+ 69.Kh2 Ra2+ 70.Kh3 Ra1 71.Rg3+ 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "11"]
[White "Davila, Edmundo"]
[Black "Martin, Pedro"]
[Result "0-1"]
[ECO "A06"]
[EventDate "1958.01.20"]
[PlyCount "112"]

1.Nf3 Nf6 2.b3 d5 3.e3 g6 4.Bb2 Bg7 5.Be2 O-O 6.c4 c6 7.O-O b6 8.d4 Nbd7 
9.Nc3 Bb7 10.Qc2 Rc8 11.Rfd1 Qc7 12.Rac1 Qb8 13.Qb1 e6 14.h3 Rfd8 15.Rd2 
Ne8 16.Rcd1 Nd6 17.Kh1 Nf6 18.cxd5 exd5 19.Rc2 Nd7 20.Rcc1 Re8 21.Bf1 f5 
22.Ne2 Ne4 23.Kg1 g5 24.Nd2 Qd6 25.Nxe4 fxe4 26.Ng3 Qg6 27.Be2 Nf6 28.b4 
b5 29.Kf1 Bf8 30.Bc3 Bd6 31.Ke1 Rf8 32.Kd2 Rf7 33.Rf1 Rcf8 34.Rce1 Bc8 35.
Nh1 a6 36.a4 Kh8 37.a5 Qh6 38.Qb2 Qh4 39.Kc1 g4 40.hxg4 Nxg4 41.Bxg4 Bxg4 
42.Qc2 Bd7 43.Kb2 Qg5 44.f4 exf3 45.gxf3 Rxf3 46.Rg1 Qe7 47.Qd2 Be8 48.Re2
Bh5 49.Ree1 Bg6 50.Rg2 Qh4 51.Reg1 Rf1 52.Qe2 Rxg1 53.Rxg1 Be4 54.Be1 Qh2 
55.Qxh2 Bxh2 56.Rg4 Bxh1 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "11"]
[White "Humerez, Cidar"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "B28"]
[EventDate "1958.01.20"]
[PlyCount "99"]

1.e4 c5 2.Nf3 a6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nb3 Bb4 7.Bg5 h6 8.Bxf6 
Bxc3+ 9.bxc3 Qxf6 10.c4 d6 11.Bd3 O-O 12.O-O a5 13.Qd2 a4 14.Nc1 Na6 15.
Ne2 Bd7 16.Nc3 Bc6 17.Rad1 Nc5 18.Qe3 Qg5 19.Qxg5 hxg5 20.f3 a3 21.Be2 
Rfd8 22.Rd2 Kf8 23.Rb1 Ke7 24.Kf2 Rh8 25.Kg1 g6 26.Nd5+ Bxd5 27.Rxd5 Ra6 
28.Bd3 Rc8 29.c3 Rcc6 30.Bc2 Rab6 31.Rdd1 Rxb1 32.Rxb1 Kd7 33.Kf2 Kc7 34.
Ke3 Rb6 35.Rxb6 Kxb6 36.g3 Kc7 37.Ke2 Kd7 38.Ke3 Ke6 39.Ke2 Kf6 40.Ke3 Ke6
41.Ke2 f5 42.Ke3 Kf6 43.g4 fxg4 44.fxg4 Ke7 45.Kd2 Kd7 46.Ke3 Kc6 47.Kd2 
Nd7 48.Ke2 Nc5 49.Kd2 Kb6 50.Ke3 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "11"]
[White "Medina Garcia, Antonio Angel"]
[Black "Lombardy, William James"]
[Result "1-0"]
[ECO "B93"]
[EventDate "1958.01.20"]
[PlyCount "63"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Qc7 8.Bd3 
Nbd7 9.a4 g6 10.O-O Bg7 11.Qe1 b6 12.Qh4 Bb7 13.Be3 O-O 14.fxe5 dxe5 15.
Ng5 h6 16.Nh3 Nh5 17.Be2 Nf4 18.Nxf4 exf4 19.Qxf4 Qxf4 20.Bxf4 Rac8 21.
Rad1 Ne5 22.Bc1 h5 23.Rd6 Nc4 24.Rd7 Bxc3 25.bxc3 Bxe4 26.Rd4 Bxc2 27.Bxc4
b5 28.axb5 axb5 29.Ba2 Rxc3 30.Bh6 Rd3 31.Rdf4 Ra8 32.Rxf7 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "11"]
[White "Munoz, Francisco"]
[Black "Perez, Francisco Jose"]
[Result "0-1"]
[ECO "B40"]
[EventDate "1958.01.20"]
[PlyCount "64"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 Nc6 6.Be3 Qb6 7.c3 e5 8.Nc2 
Qxb2 9.Be2 Be7 10.O-O O-O 11.Qd3 d5 12.exd5 Nxd5 13.Qxd5 Qxc2 14.Bd3 Qb2 
15.Qe4 g6 16.Nd2 Rd8 17.Rab1 Qxc3 18.Rb3 Qa5 19.g4 Be6 20.Bc4 Bc5 21.Bxe6 
Bxe3+ 22.Qxe3 Qxd2 23.Bxf7+ Kxf7 24.Rxb7+ Ke6 25.Qa3 Rd7 26.Qa6 Rd6 27.Rc7
Qd4+ 28.Kh1 Qd5 29.Kg2 Rf8 30.Rxh7 Qc5 31.Qb7 Rd2+ 32.Kg3 Qc4 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "11"]
[White "Najdorf, Miguel"]
[Black "Del Pozo, Nestor"]
[Result "1-0"]
[ECO "E69"]
[EventDate "1958.01.20"]
[PlyCount "77"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d6 5.Nf3 O-O 6.O-O c6 7.Nc3 Nbd7 8.e4 e5 
9.h3 h6 10.Be3 Re8 11.Qc2 exd4 12.Nxd4 a5 13.Rad1 Qe7 14.Rfe1 Nc5 15.Nb3 
Nxb3 16.axb3 Kh7 17.Bf4 Rd8 18.Qd2 Ne8 19.e5 d5 20.cxd5 cxd5 21.Nxd5 Qf8 
22.g4 Be6 23.Qe3 Rab8 24.Qb6 Rdc8 25.Nf6+ Kh8 26.Nd7 Qb4 27.Qxb4 axb4 28.
Nxb8 Rxb8 29.Rd4 Bf8 30.Red1 Be7 31.Bxh6 Bxb3 32.R1d3 Be6 33.Bd2 b3 34.Bb4
Bxb4 35.Rxb4 b5 36.Bd5 Bxd5 37.Rxd5 Nc7 38.Rc5 Rb7 39.Rxb3 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "11"]
[White "Panno, Oscar"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "D45"]
[EventDate "1958.01.20"]
[PlyCount "42"]

1.c4 c6 2.Nf3 d5 3.d4 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Qc2 Bd6 7.Bd2 O-O 8.O-O-O 
c5 9.Kb1 a6 10.cxd5 exd5 11.e4 dxe4 12.Nxe4 Nxe4 13.Qxe4 Nf6 14.Qh4 Bf5+ 
15.Ka1 Ne4 16.Be3 Qc7 17.Bd3 Rfe8 18.dxc5 Be7 19.Qh5 g6 20.Qh6 Bf8 21.Qh4 
Be7 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "11"]
[White "Perez, Jaime"]
[Black "Gutierrez Mangel, Joaquin"]
[Result "0-1"]
[ECO "D43"]
[EventDate "1958.01.20"]
[PlyCount "78"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.Bg5 h6 6.Bh4 g5 7.Bg3 dxc4 8.Ne5 b5 
9.e3 Bb7 10.a4 a6 11.h4 Bg7 12.Qf3 Qe7 13.hxg5 hxg5 14.Rxh8+ Bxh8 15.e4 
Nbd7 16.axb5 cxb5 17.O-O-O b4 18.Nxc4 bxc3 19.Nd6+ Kf8 20.Nxb7 cxb2+ 21.
Kb1 Ne8 22.Qb3 e5 23.Na5 exd4 24.Qb7 Qa3 25.Nb3 d3 26.Bxd3 Qa1+ 27.Kc2 
b1=Q+ 28.Rxb1 Qc3+ 29.Kd1 Qxd3+ 30.Nd2 Bc3 31.Qd5 Qxd2+ 32.Qxd2 Bxd2 33.
Kxd2 a5 34.f4 Nc5 35.Ke3 gxf4+ 36.Bxf4 a4 37.Kd4 Ne6+ 38.Ke3 Nxf4 39.Kxf4 
a3 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "11"]
[White "Sanchez, Frank"]
[Black "Denis, Francisco"]
[Result "1-0"]
[ECO "A42"]
[EventDate "1958.01.20"]
[PlyCount "97"]

1.e4 d6 2.d4 g6 3.c4 Bg7 4.Nc3 c6 5.Nge2 Nf6 6.Ng3 Na6 7.Be2 c5 8.d5 Nc7 
9.Bf4 Nd7 10.Qd2 h5 11.h3 a6 12.a3 Rb8 13.a4 b6 14.Nf1 Ne5 15.Ne3 Bd7 16.
Bg3 b5 17.f4 Nxc4 18.Nxc4 bxc4 19.Bxc4 Rb4 20.b3 O-O 21.Rc1 e6 22.Bf2 Qe7 
23.O-O Qf6 24.e5 dxe5 25.Bxc5 Rbb8 26.Bxf8 Bxf8 27.d6 Ne8 28.Ne4 Qh4 29.
Rc3 exf4 30.Rxf4 Qd8 31.Rcf3 Bh6 32.Rxf7 Bxd2 33.Rf8+ Kh7 34.R3f7+ Ng7 35.
Rxd8 Rxd8 36.Nf6+ Kh6 37.Nxd7 a5 38.Nf8 Be3+ 39.Kf1 Bc5 40.Rf6 Rxf8 41.
Rxf8 Bxd6 42.Ra8 Bb4 43.Ra6 Kg5 44.Bxe6 Nxe6 45.Rxe6 Kf5 46.Rb6 Bc3 47.Rc6
Bb4 48.Rc4 Ke5 49.Rxb4 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "11"]
[White "Sanchez, Luis Augusto"]
[Black "Cuellar Jimenez, Alfredo"]
[Result "1-0"]
[ECO "C86"]
[EventDate "1958.01.20"]
[PlyCount "139"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 d6 8.c3 Na5 
9.Bc2 c5 10.d4 Qc7 11.d5 O-O 12.h3 Bd7 13.Nbd2 c4 14.Rd1 Rfe8 15.Nf1 g6 
16.Ng3 Bf8 17.Bg5 Bg7 18.Qd2 Nb7 19.Bh6 Bh8 20.Re1 a5 21.Qg5 Qd8 22.Qh4 a4
23.Bg5 Bg7 24.a3 Nc5 25.Re3 Bc8 26.Rd1 Kh8 27.Nh2 Ncd7 28.Rf3 Qc7 29.Rxf6 
Nxf6 30.Bxf6 Kg8 31.Bg5 Rf8 32.Ng4 Bxg4 33.hxg4 f6 34.Bc1 Rf7 35.Rf1 Bf8 
36.g5 Be7 37.gxf6 Bxf6 38.Bg5 Bg7 39.Bd1 Raf8 40.Qh3 h6 41.Bd2 h5 42.Nh1 
Bf6 43.g4 Qd7 44.Kh2 h4 45.g5 Qxh3+ 46.Kxh3 Be7 47.Kxh4 Rh7+ 48.Kg3 Kg7 
49.Kg2 Rfh8 50.Ng3 Rh2+ 51.Kg1 R2h4 52.Bf3 Kf7 53.Ne2 Ke8 54.Bg2 Bd8 55.
Be3 Rf8 56.f4 exf4 57.Rxf4 Rhxf4 58.Bxf4 Rxf4 59.Nxf4 Bxg5 60.Ne2 Bd2 61.
Kf2 Kd7 62.Kf3 Kc7 63.Bh3 Kb6 64.e5 dxe5 65.Ke4 Bh6 66.Kxe5 Kc5 67.d6 Bg5 
68.d7 Bh4 69.Nd4 Kb6 70.Ne6 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "12"]
[White "Ader Hausman, Walter"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1958.01.20"]
[PlyCount "111"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 d6 5.e4 c5 6.Nge2 O-O 7.O-O Nc6 8.a3 Rb8 
9.Rb1 Ne8 10.b4 b6 11.d3 Bd7 12.Be3 Nc7 13.Qd2 Ne6 14.h3 Ned4 15.Kh2 a6 
16.Bh6 Re8 17.Bxg7 Kxg7 18.Rb2 e6 19.Rfb1 h5 20.bxc5 dxc5 21.Nxd4 Nxd4 22.
Ne2 Nxe2 23.Qxe2 e5 24.f4 h4 25.Qf2 hxg3+ 26.Qxg3 exf4 27.Qxf4 Be6 28.Bf1 
Rh8 29.e5 Bf5 30.a4 a5 31.Kg3 Qc7 32.e6 Qxf4+ 33.Kxf4 Bxe6 34.Rxb6 Rxb6 
35.Rxb6 Bxh3 36.Be2 Re8 37.Bf3 Bf1 38.Bd5 Bxd3 39.Rb7 Kh6 40.Rxf7 g5+ 41.
Kg4 Bxc4 42.Rf6+ Kg7 43.Rf5 Bxd5 44.Rxg5+ Kf7 45.Rxd5 Rc8 46.Kf4 c4 47.Rd6
Ke7 48.Rd2 Rc6 49.Rb2 Kd6 50.Ke4 c3 51.Rc2 Rc4+ 52.Kd3 Rxa4 53.Kxc3 Kc5 
54.Kb3+ Kb5 55.Rc5+ Kxc5 56.Kxa4 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "12"]
[White "Bisguier, Arthur Bernard"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "A48"]
[EventDate "1958.01.20"]
[PlyCount "204"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nbd2 O-O 5.e4 d6 6.c3 Nh5 7.Be3 e5 8.Bc4 Nc6
9.dxe5 Nxe5 10.Nxe5 dxe5 11.Nf3 Qe7 12.O-O Nf6 13.Qc2 b6 14.Rad1 Bb7 15.
Bg5 h6 16.Bxf6 Bxf6 17.Qa4 a6 18.Bd5 c6 19.Bb3 Rad8 20.Qc4 Kg7 21.h3 Qc7 
22.Qe2 Be7 23.Rxd8 Rxd8 24.Rd1 Rxd1+ 25.Qxd1 Bc5 26.Nh2 Qe7 27.Ng4 h5 28.
Ne3 Bc8 29.Qf3 b5 30.a3 Bd7 31.Kf1 Be8 32.Kg1 Qd6 33.Qd1 Qf6 34.g3 Qe7 35.
h4 Bd7 36.Qf3 Bc8 37.Qd1 Qf6 38.Qe2 Kf8 39.Kg2 Bb6 40.Qd2 Qe7 41.Qd3 Kg7 
42.Qd2 Qd7 43.Qxd7 Bxd7 44.Nf1 Bc5 45.Nd2 f5 46.exf5 gxf5 47.Bd1 Be8 48.
Kf3 Kf6 49.Ke2 Bf8 50.a4 Bh6 51.b4 Bf8 52.axb5 axb5 53.Bb3 e4 54.Nf1 Ke5 
55.f4+ exf3+ 56.Kxf3 c5 57.bxc5 Bxc5 58.Ne3 Bc6+ 59.Ke2 f4 60.gxf4+ Kxf4 
61.Bd5 Bd7 62.Ng2+ Kg3 63.Bf3 Be7 64.Ke3 Be8 65.Bd5 Bf6 66.Nf4 Kxh4 67.c4 
b4 68.c5 Kg3 69.Nd3 Be7 70.Kd4 h4 71.Nxb4 h3 72.Nc2 Bf6+ 73.Ke3 Bg5+ 74.
Kd4 Bh5 75.c6 Bf4 76.Kc5 Be2 77.Nd4 Bf1 78.Ne6 Bb8 79.Ng5 h2 80.Ne4+ Kf4 
81.Nd2 Be2 82.Kd4 Ba7+ 83.Kc3 Bb6 84.Kb4 Bc7 85.Kc5 Ke3 86.Nc4+ Kf4 87.Nd2
Ke3 88.Nc4+ Kf2 89.Nd2 Bf4 90.Ne4+ Kg1 91.Nd2 Be3+ 92.Kb4 Bb6 93.Nc4 Bc7 
94.Nd2 Kf2 95.Kc5 Bg4 96.Bh1 Bf4 97.Ne4+ Kg1 98.Nf6 Bh3 99.Nd5 Bb8 100.Be4
Bg2 101.Bxg2 Kxg2 102.Ne3+ Kf3 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "12"]
[White "Cuellar Jimenez, Alfredo"]
[Black "Perez, Jaime"]
[Result "1/2-1/2"]
[ECO "E14"]
[EventDate "1958.01.20"]
[PlyCount "103"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.e3 d5 6.b3 Be7 7.Bd3 O-O 8.O-O Nbd7 
9.Qc2 c5 10.Ne2 cxd4 11.exd4 Rc8 12.Bf4 Re8 13.Ne5 Nf8 14.Rad1 Ng6 15.Be3 
dxc4 16.bxc4 b5 17.Nxg6 hxg6 18.c5 a6 19.f3 Nd5 20.Bf2 Bg5 21.Be4 f5 22.
Bxd5 Qxd5 23.Rfe1 Qc6 24.h4 Bf6 25.Nf4 g5 26.hxg5 Bxg5 27.Nd3 Bf6 28.Ne5 
Qd5 29.Rb1 g5 30.a4 g4 31.axb5 axb5 32.Rxb5 gxf3 33.Nxf3 Re7 34.Qb3 Rg7 
35.Re3 Ra8 36.Qxd5 Bxd5 37.Rb1 Ra2 38.Rd1 Rb7 39.Red3 Rg7 40.Rc3 Rb7 41.c6
Rc7 42.Bg3 Rxc6 43.Rxc6 Bxc6 44.Bf2 Bd5 45.Re1 Kg7 46.Ne5 Rd2 47.Rc1 Bg5 
48.Rc7+ Kf8 49.Rc8+ Ke7 50.Rc1 Bxg2 51.Rc7+ Kf8 52.Rc8+ 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "12"]
[White "De Greiff, Boris"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B99"]
[EventDate "1958.01.20"]
[PlyCount "82"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nbd7 8.Qf3 
Qc7 9.O-O-O Be7 10.g4 b5 11.Bg2 Bb7 12.Rhe1 b4 13.Nd5 Nxd5 14.exd5 Bxg5 
15.fxg5 Nc5 16.Qh3 e5 17.Nf5 g6 18.Ng3 Rc8 19.Ne4 Nxe4 20.Bxe4 O-O 21.Kb1 
a5 22.Rf1 Ba6 23.Rf6 Rfd8 24.Qe3 Qc5 25.Qxc5 Rxc5 26.Rd2 Kg7 27.Rdf2 Rd7 
28.R6f3 Rc4 29.Re3 Bb7 30.Rd2 Rdc7 31.a3 bxa3 32.bxa3 Bc8 33.h3 h6 34.
gxh6+ Kxh6 35.Kb2 f5 36.gxf5 gxf5 37.Bd3 Rh4 38.Rg2 Rg7 39.Rxg7 Kxg7 40.
Rg3+ Kf6 41.Rg8 Bb7 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "12"]
[White "Del Pozo, Nestor"]
[Black "Munoz, Francisco"]
[Result "0-1"]
[ECO "E80"]
[EventDate "1958.01.20"]
[PlyCount "124"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 e5 6.d5 a5 7.Be3 Na6 8.Qd2 b6 9.
Nge2 Nc5 10.g4 Bxg4 11.Bg2 Bd7 12.O-O-O Qe7 13.b3 Nh5 14.Kb2 f5 15.Rdf1 f4
16.Bf2 O-O 17.Ra1 Bf6 18.Rhd1 Ng7 19.Qe1 g5 20.h3 h5 21.Qd2 Kf7 22.Nb5 Bc8
23.Rh1 Rh8 24.Rh2 Ne8 25.Nec3 Bg7 26.Rah1 Nf6 27.Qc2 Rh6 28.a3 Rg6 29.Qe2 
Bb7 30.Rg1 Rg8 31.Bf1 Bc8 32.Na7 Bd7 33.Ka2 g4 34.hxg4 hxg4 35.Bh4 g3 36.
Rhh1 Rh8 37.Bg2 Rgh6 38.Bxf6 Bxf6 39.Nc6 Bxc6 40.Rxh6 Rxh6 41.dxc6 Qe8 42.
b4 axb4 43.axb4 Ne6 44.b5 Nd4 45.Qd1 Rh2 46.Ka3 Qa8+ 47.Kb2 Qa5 48.Nd5 Bd8
49.Qd3 Kg7 50.Qc3 Kg6 51.Kb1 Qa4 52.Qb4 Qxb4+ 53.Nxb4 Kg7 54.c5 dxc5 55.
Nd3 Bf6 56.Ne1 Nxb5 57.Rh1 Rxh1 58.Bxh1 Nd4 59.Kb2 Nxc6 60.Kc3 Nd4 61.Kc4 
c6 62.Bg2 Be7 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "12"]
[White "Denis, Francisco"]
[Black "Perez, Francisco Jose"]
[Result "1/2-1/2"]
[ECO "D51"]
[EventDate "1958.01.20"]
[PlyCount "49"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 d5 5.e3 Nbd7 6.Rc1 O-O 7.Nf3 c6 8.Be2 Qa5
9.Bxf6 Nxf6 10.Qb3 b6 11.a3 Bxc3+ 12.Qxc3 Qxc3+ 13.Rxc3 Bb7 14.O-O Rac8 
15.Rfc1 c5 16.cxd5 Nxd5 17.R3c2 cxd4 18.Rxc8 Rxc8 19.Rxc8+ Bxc8 20.Nxd4 
Bd7 21.Bb5 Bxb5 22.Nxb5 a6 23.Nd4 Kf8 24.Kf1 Nc7 25.Ke2 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "12"]
[White "Gutierrez Mangel, Joaquin"]
[Black "Davila, Edmundo"]
[Result "0-1"]
[ECO "C11"]
[EventDate "1958.01.20"]
[PlyCount "68"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7 6.Ng3 Nbd7 7.Nf3 b6 8.Bb5 
O-O 9.Bc6 Rb8 10.Qe2 Nd5 11.Bd2 Nb4 12.Bxb4 Bxb4+ 13.c3 Be7 14.Rd1 Nf6 15.
O-O Qd6 16.Ne5 Bb7 17.Ne4 Nxe4 18.Qxe4 Ba6 19.Rfe1 Rfd8 20.Re3 Bf6 21.f4 
Bxe5 22.fxe5 Qe7 23.Rh3 h6 24.Ba4 Bb7 25.Qd3 Qg5 26.Rg3 Qh5 27.Bc2 g6 28.
Rf1 c5 29.Rf4 cxd4 30.Bd1 Qxe5 31.Rxg6+ fxg6 32.Qxg6+ Qg7 33.Qxe6+ Kh8 34.
Rg4 Bc8 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "12"]
[White "Lombardy, William James"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "C84"]
[EventDate "1958.01.20"]
[PlyCount "52"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4 exd4 6.O-O Be7 7.e5 Ne4 8.Nxd4 
Nxd4 9.Qxd4 Nc5 10.Nc3 O-O 11.Be3 Nxa4 12.Qxa4 d5 13.exd6 Bxd6 14.Bf4 Bd7 
15.Qd4 Qh4 16.g3 Qh3 17.Bxd6 Bc6 18.Nd5 Rfd8 19.Ne7+ Kh8 20.Nxc6 Rxd6 21.
Qe4 Rh6 22.Qg2 Qxg2+ 23.Kxg2 Rxc6 24.c3 Rd8 25.Rfd1 Rxd1 26.Rxd1 g6 
1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "12"]
[White "Martin, Pedro"]
[Black "Humerez, Cidar"]
[Result "1-0"]
[ECO "A34"]
[EventDate "1958.01.20"]
[PlyCount "53"]

1.c4 c5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc7 6.Nf3 Nc6 7.d3 e5 8.Nd2 
Qd7 9.O-O Be7 10.Nc4 f6 11.f4 O-O 12.fxe5 Nxe5 13.Nxe5 fxe5 14.Rxf8+ Bxf8 
15.Be3 Kh8 16.Qb3 Qe8 17.Rf1 Rb8 18.Bc6 bxc6 19.Qxb8 Bd6 20.Ne4 Be6 21.
Qxe8+ Nxe8 22.Nxd6 Nxd6 23.Rf8+ Bg8 24.Bxc5 Nb5 25.a4 Nd4 26.Bxd4 exd4 27.
Ra8 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "12"]
[White "Sanchez, Frank"]
[Black "Medina Garcia, Antonio Angel"]
[Result "0-1"]
[ECO "E33"]
[EventDate "1958.01.20"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 6.e3 O-O 7.Bd3 e5 8.d5 Bxc3+
9.bxc3 Ne7 10.O-O Ng6 11.h3 Qe7 12.e4 Nh5 13.Re1 Nhf4 14.Bf1 f5 15.exf5 
Bxf5 16.Qb2 Bd3 17.Bxf4 Nxf4 18.Re3 Bxf1 19.Rxf1 b6 20.Kh2 Qd7 21.Qc2 Rf6 
22.Nd2 Raf8 23.Ne4 Rh6 24.Rg3 Rf5 25.Re1 Rfh5 26.Ree3 Kh8 27.Qd1 Rf5 28.
Rg5 Rg6 29.Qg4 Rfxg5 30.Nxg5 Qxg4 31.hxg4 Rxg5 32.g3 Rxg4 33.f3 Nxd5 34.
cxd5 Ra4 35.Re2 Kg8 36.Kg2 Kf7 37.Kf2 Rc4 38.Re3 Kf6 39.Ke2 Ra4 40.Kd3 
Rxa2 41.Re4 Ra5 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "13"]
[White "Cuellar Gacharna, Miguel"]
[Black "Sanchez, Frank"]
[Result "1-0"]
[ECO "A05"]
[EventDate "1958.01.20"]
[PlyCount "95"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O e6 5.d3 d5 6.Nbd2 Be7 7.c3 O-O 8.Qc2 
Nbd7 9.e4 dxe4 10.dxe4 Qc8 11.e5 Ng4 12.Re1 f6 13.exf6 Ngxf6 14.Bh3 Bc6 
15.Nd4 Bd5 16.c4 Bc5 17.cxd5 Bxd4 18.Bxe6+ Kh8 19.Nf3 Bc5 20.Be3 Qb7 21.
Ng5 h6 22.Nf7+ Rxf7 23.Bxf7 Ne5 24.Bxc5 Nf3+ 25.Kg2 Nxe1+ 26.Rxe1 bxc5 27.
Qxc5 Qxb2 28.Qxc7 Qd2 29.Re7 Rf8 30.Qxa7 Nxd5 31.Re8 Rxe8 32.Bxe8 Qg5 33.
Qb8 Kh7 34.Bf7 Nf6 35.Qa8 Qf5 36.h4 Qd7 37.Bb3 Qc7 38.Qf3 h5 39.Qf5+ Kh8 
40.Bd1 Qc6+ 41.Bf3 Qe8 42.Qa5 Kh7 43.a4 Qf7 44.Qa8 Qe6 45.a5 Kh6 46.a6 g5 
47.a7 g4 48.Qf8+ 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "13"]
[White "Davila, Edmundo"]
[Black "Cuellar Jimenez, Alfredo"]
[Result "1/2-1/2"]
[ECO "E69"]
[EventDate "1958.01.20"]
[PlyCount "82"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.c4 d6 6.Nc3 Nbd7 7.O-O e5 8.e4 c6 
9.h3 Ne8 10.Be3 Qe7 11.Qc2 f5 12.exf5 gxf5 13.dxe5 dxe5 14.Rfe1 Nc5 15.b4 
Ne6 16.Rab1 N8c7 17.Nh2 Qf6 18.g4 Nd4 19.Qd1 Be6 20.gxf5 Bxf5 21.Rb2 Rad8 
22.Rd2 Qg6 23.Kh1 Nce6 24.Rg1 Qf7 25.Ng4 Kh8 26.Nh6 Bxh6 27.Bxh6 Rg8 28.
Be3 Qg6 29.Ne2 Be4 30.Ng3 Bxg2+ 31.Rxg2 Qf7 32.Qh5 Qxh5 33.Nxh5 Rxg2 34.
Kxg2 Rg8+ 35.Kf1 Rf8 36.Bxd4 Nxd4 37.Rd3 Rf5 38.Ng3 Rf7 39.a3 Kg7 40.Re3 
Nc2 41.Rc3 Nd4 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "13"]
[White "Humerez, Cidar"]
[Black "Gutierrez Mangel, Joaquin"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "13"]
[White "Medina Garcia, Antonio Angel"]
[Black "Denis, Francisco"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "13"]
[White "Munoz, Francisco"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "13"]
[White "Najdorf, Miguel"]
[Black "De Greiff, Boris"]
[Result "1-0"]
[ECO "B64"]
[EventDate "1958.01.20"]
[PlyCount "101"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O
O-O 9.f4 h6 10.Bxf6 Bxf6 11.Nxc6 bxc6 12.Qxd6 Qb6 13.e5 Rd8 14.Qa3 Qe3+ 
15.Kb1 Rxd1+ 16.Nxd1 Qxa3 17.bxa3 Be7 18.c3 Bxa3 19.Kc2 Rb8 20.Bc4 a5 21.
Re1 Bd7 22.Bb3 Be7 23.Nb2 c5 24.a4 Bc6 25.g3 Bd8 26.Bc4 Kf8 27.Bd3 Ke7 28.
Be4 Bd5 29.Bxd5 exd5 30.f5 Bc7 31.Nd3 c4 32.Nf4 Rd8 33.Re2 Ke8 34.Rd2 Bxe5
35.Nxd5 g6 36.fxg6 fxg6 37.Nb6 Rxd2+ 38.Kxd2 h5 39.Nxc4 Bc7 40.Ke3 Kd7 41.
Ke4 Kc6 42.Ne5+ Kc5 43.Nxg6 Kc4 44.Nf4 Bd8 45.Nxh5 Kxc3 46.Nf4 Kb3 47.Ne6 
Be7 48.g4 Kxa4 49.g5 Kb3 50.g6 Bf6 51.Kd3 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "13"]
[White "Panno, Oscar"]
[Black "Martin, Pedro"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "13"]
[White "Perez, Francisco Jose"]
[Black "Del Pozo, Nestor"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "13"]
[White "Perez, Jaime"]
[Black "Ader Hausman, Walter"]
[Result "1/2-1/2"]
[ECO "B32"]
[EventDate "1958.01.20"]
[PlyCount "97"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 e5 7.Nc2 Bc5 8.Be2 d6
9.O-O Be6 10.Ne3 Bd4 11.Ned5 Bxd5 12.cxd5 Ne7 13.Bd3 O-O 14.Ne2 Ba7 15.Bg5
Nd7 16.Ng3 f6 17.Bd2 Kh8 18.Kh1 Bd4 19.Rb1 g6 20.Ne2 Ba7 21.f4 Ng8 22.b4 
Rc8 23.Rb3 Qe7 24.a4 Qg7 25.Bb1 Ne7 26.Rh3 g5 27.Rg3 g4 28.Ng1 Rg8 29.fxe5
Nxe5 30.Ne2 N7g6 31.Nf4 Nxf4 32.Rxf4 h5 33.Rf5 Qg6 34.Qf1 Rgf8 35.Rc3 Kg7 
36.b5 a5 37.Qc1 Bc5 38.Bf4 b6 39.Qf1 Rce8 40.Bg3 Nd7 41.Bh4 Re5 42.Rc1 
Rfe8 43.Bg3 Rxf5 44.exf5 Qf7 45.Re1 Rxe1 46.Qxe1 Qxd5 47.Qe7+ Qf7 48.Qe2 
Qd5 49.Qe7+ 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "13"]
[White "Sanchez, Luis Augusto"]
[Black "Lombardy, William James"]
[Result "0-1"]
[ECO "D35"]
[EventDate "1958.01.20"]
[PlyCount "74"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.cxd5 exd5 5.Bg5 Be7 6.Nc3 c6 7.e3 Bf5 8.Bd3 
Bxd3 9.Qxd3 O-O 10.O-O Nbd7 11.Rab1 a5 12.Nd2 Ne8 13.Bxe7 Qxe7 14.e4 dxe4 
15.Qxe4 Qd8 16.Nc4 Ndf6 17.Qe5 b5 18.Ne3 Nd6 19.Qc5 Rc8 20.Rbd1 Re8 21.a3 
Qd7 22.Rfe1 h6 23.Re2 Nde4 24.Nxe4 Rxe4 25.Rc2 Ree8 26.Qf5 Re6 27.h3 Rce8 
28.Qf3 Re4 29.Rcd2 Nd5 30.Nxd5 Qxd5 31.Kh2 R8e6 32.g3 h5 33.Qg2 h4 34.Kg1 
hxg3 35.fxg3 Qc4 36.Qf1 Qb3 37.Rg2 Rf6 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "14"]
[White "Ader Hausman, Walter"]
[Black "Davila, Edmundo"]
[Result "1-0"]
[ECO "E94"]
[EventDate "1958.01.20"]
[PlyCount "63"]

1.c4 Nf6 2.Nc3 d6 3.d4 Nbd7 4.e4 e5 5.Nf3 g6 6.Be2 Bg7 7.O-O O-O 8.Rb1 
exd4 9.Nxd4 Nc5 10.f3 a5 11.Be3 c6 12.Qd2 Re8 13.Rfd1 Nfd7 14.b3 Qc7 15.
Bf2 Ne5 16.Bf1 f6 17.Qc2 Bh6 18.a3 Ne6 19.Na4 Nxd4 20.Rxd4 Be6 21.Rbd1 
Rad8 22.Re1 f5 23.Qc3 Nd7 24.exf5 Bxf5 25.Bg3 Ne5 26.c5 Bf8 27.cxd6 Bxd6 
28.Rxe5 Bxe5 29.Rxd8 Qxd8 30.Bxe5 Qd1 31.Nc5 b6 32.Ne4 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "14"]
[White "Bisguier, Arthur Bernard"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "E43"]
[EventDate "1958.01.20"]
[PlyCount "115"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 O-O 7.O-O c5 8.Bd2 cxd4
9.exd4 d5 10.cxd5 Bxc3 11.bxc3 Qxd5 12.Re1 Nbd7 13.Rb1 Rfd8 14.Rb5 Qd6 15.
Bb1 Rac8 16.Rg5 Nf8 17.Ne5 Ng6 18.Re3 Nd5 19.Rh3 Nf6 20.Nxf7 Kxf7 21.Rxh7 
Nxh7 22.Bxg6+ Kg8 23.Qh5 Nf6 24.Bf7+ Kf8 25.Qh8+ Ke7 26.Qxg7 Rf8 27.Bg6+ 
Kd8 28.Qxb7 Rc7 29.Qa6 Nd5 30.Rg3 Nf4 31.Be4 Rcf7 32.Bc1 Qc7 33.h3 Nd5 34.
Bg5+ Kd7 35.Qb5+ Kc8 36.Bxd5 exd5 37.Be3 Rf5 38.Rg6 Kb7 39.g4 R5f6 40.
Qxd5+ Kb8 41.Rxf6 Rxf6 42.Qe5 Rc6 43.Bf4 Qxe5 44.Bxe5+ Kc8 45.g5 Kd8 46.d5
Rc5 47.Bf6+ Ke8 48.d6 Kf7 49.Be7 Rd5 50.Kg2 b5 51.Kf3 a5 52.Ke4 Rd1 53.f4 
b4 54.cxb4 axb4 55.f5 Rd2 56.h4 Rxa2 57.g6+ Kg7 58.d7 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "14"]
[White "Cuellar Jimenez, Alfredo"]
[Black "Humerez, Cidar"]
[Result "0-1"]
[ECO "B99"]
[EventDate "1958.01.20"]
[PlyCount "68"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 
Nbd7 9.O-O-O Qc7 10.g4 b5 11.Bg2 Bb7 12.Rhe1 O-O 13.a3 Rac8 14.Kb1 Nb6 15.
Rd3 Nc4 16.Qg3 Rfd8 17.f5 e5 18.Nb3 Nxe4 19.Nxe4 Bxe4 20.Bxe7 Bxd3 21.cxd3
Nxa3+ 22.Ka2 Qxe7 23.Kxa3 b4+ 24.Ka2 a5 25.g5 a4 26.Nd2 b3+ 27.Kb1 Qc7 28.
Nc4 d5 29.Na3 e4 30.Qh3 Qa5 31.Rd1 Rc6 32.Qg3 Rdc8 33.dxe4 Qd2 34.Bf3 Qc1+
0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "14"]
[White "De Greiff, Boris"]
[Black "Munoz, Francisco"]
[Result "0-1"]
[ECO "B90"]
[EventDate "1958.01.20"]
[PlyCount "138"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 Qc7 7.Bb3 e6 8.O-O 
Be7 9.f4 Nc6 10.Be3 Bd7 11.f5 Nxd4 12.Bxd4 h5 13.h3 e5 14.Be3 Bc6 15.Qd3 
b5 16.Nd5 Nxd5 17.exd5 Bd7 18.c4 Qb7 19.Rac1 Rc8 20.Qe4 bxc4 21.Rxc4 Rxc4 
22.Bxc4 Bd8 23.Kh2 Bb6 24.Bd2 Bd4 25.b4 Bb5 26.Rc1 O-O 27.f6 Bxc4 28.Rxc4 
Qb5 29.Rc1 g6 30.g4 h4 31.Kg2 Qa4 32.Qc2 Qa3 33.Qb3 Qxb3 34.axb3 e4 35.Rc4
Bxf6 36.Rxe4 Rb8 37.Kf3 Rb5 38.Re8+ Kg7 39.Ke4 a5 40.bxa5 Rxb3 41.a6 Ra3 
42.Ra8 Ra4+ 43.Kd3 Ra3+ 44.Kc4 Rxh3 45.Bb4 Rh2 46.a7 Ra2 47.Bxd6 h3 48.Bg3
Bh4 49.Kb3 Ra6 50.Bh2 Bf2 51.g5 Bd4 52.Kc4 Rxa7 53.Re8 Ra4+ 54.Kb3 Ra5 55.
d6 Rxg5 56.Kc4 Bf6 57.d7 Rg4+ 58.Kc5 Rd4 59.Kc6 g5 60.Re2 Kg6 61.Rf2 Bd8 
62.Bd6 Rd1 63.Ra2 Kf5 64.Bh2 Rh1 65.Bb8 Rc1+ 66.Kd5 Rd1+ 67.Kc6 g4 68.Ra8 
Ke6 69.Bf4 Rxd7 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "14"]
[White "Denis, Francisco"]
[Black "Del Pozo, Nestor"]
[Result "1-0"]
[ECO "C17"]
[EventDate "1958.01.20"]
[PlyCount "59"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Be3 cxd4 6.Bxd4 Nc6 7.a3 Ba5 8.Nf3 
Nge7 9.Bd3 Ng6 10.Bxg6 hxg6 11.Qd3 Bc7 12.O-O-O a6 13.Rhe1 Rh5 14.g4 Rh3 
15.Qe2 Nxd4 16.Rxd4 Qe7 17.Rg1 Bd7 18.Rg3 Rxg3 19.hxg3 Bb6 20.Rd1 O-O-O 
21.Nd4 Kb8 22.f4 Rc8 23.Qh2 f6 24.exf6 gxf6 25.f5 Bxd4 26.Rxd4 Qc5 27.Qd2 
gxf5 28.gxf5 Rh8 29.b4 Qc6 30.fxe6 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "14"]
[White "Gutierrez Mangel, Joaquin"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B22"]
[EventDate "1958.01.20"]
[PlyCount "62"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 d6 6.Qb3 e6 7.Nf3 Nc6 8.Nc3 
Nxc3 9.bxc3 dxe5 10.Nxe5 Nxe5 11.dxe5 Be7 12.Ba3 O-O 13.Rd1 Qc7 14.Bxe7 
Qxe7 15.f4 b6 16.Be2 Bb7 17.O-O Qc5+ 18.Kh1 Bd5 19.c4 Bc6 20.a3 Rfd8 21.h3
g6 22.Kh2 Kg7 23.Kg3 Rac8 24.Rxd8 Rxd8 25.Rd1 Rxd1 26.Bxd1 Qd4 27.Bf3 g5 
28.fxg5 Qxe5+ 29.Kg4 Qf5+ 30.Kh5 f6 31.h4 Be8# 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "14"]
[White "Lombardy, William James"]
[Black "Perez, Jaime"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "14"]
[White "Martin, Pedro"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "14"]
[White "Medina Garcia, Antonio Angel"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1958.01.20"]
[PlyCount "110"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Nc3 Nf6 5.Bf4 c6 6.Qd2 Bg4 7.Be2 Qa5 8.O-O 
Nbd7 9.h3 Bxf3 10.Bxf3 e5 11.Be3 O-O 12.a3 Qc7 13.Rfd1 Nb6 14.Be2 Rfe8 15.
dxe5 dxe5 16.Qd6 Qc8 17.b4 Re6 18.Qd2 Bf8 19.Rab1 Rd6 20.Qe1 Qe6 21.Qf1 
Rad8 22.Rxd6 Bxd6 23.Bd3 Nh5 24.g3 Kg7 25.Be2 Nf6 26.Kg2 Be7 27.Bd3 Ne8 
28.f4 exf4 29.gxf4 Nf6 30.Re1 Nh5 31.Qf2 Qf6 32.Ne2 Qh4 33.Ng3 Nxg3 34.
Qxg3 Nc8 35.Qxh4 Bxh4 36.Rb1 Be7 37.Kf3 f6 38.h4 Nd6 39.Rg1 Nb5 40.h5 Kh6 
41.Rh1 Kg7 42.Rg1 Kh6 43.hxg6 hxg6 44.f5+ g5 45.Bxb5 cxb5 46.Bxa7 Kg7 47.
Be3 Bd6 48.Rd1 Bc7 49.Rd3 Rxd3 50.cxd3 Be5 51.d4 Bh2 52.Bd2 Kf7 53.Bc3 Bf4
54.Bb2 Bh2 55.e5 Bf4 1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "14"]
[White "Sanchez, Frank"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "E81"]
[EventDate "1958.01.20"]
[PlyCount "86"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.Nge2 d6 6.f3 Nbd7 7.Be3 c5 8.Qd2 Qa5
9.Ng3 cxd4 10.Bxd4 Ne5 11.Be2 Nc6 12.Be3 Re8 13.O-O Nd7 14.Rac1 Nc5 15.
Rfd1 Na4 16.Nxa4 Qxa4 17.b3 Qa3 18.c5 Rd8 19.cxd6 Rxd6 20.Bc5 Rxd2 21.Bxa3
Rxa2 22.Rxc6 bxc6 23.Rd8+ Bf8 24.Bxe7 Bb7 25.Rxa8 Bxa8 26.Bxf8 Kxf8 27.Kf2
Rb2 28.Ke3 Rxb3+ 29.Kd4 Rb2 30.Kc3 Rb6 31.e5 Bb7 32.Ne4 Ba6 33.Bd1 Bc8 34.
Bb3 Be6 35.Bc2 Bf5 36.g4 Bxe4 37.Bxe4 a5 38.Bc2 g5 39.Bxh7 a4 40.Bc2 a3 
41.Bb3 Ke7 42.Bc4 Rb2 43.f4 Rxh2 0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "15"]
[White "Cuellar Gacharna, Miguel"]
[Black "Denis, Francisco"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "15"]
[White "Davila, Edmundo"]
[Black "Lombardy, William James"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "15"]
[White "Del Pozo, Nestor"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "15"]
[White "Humerez, Cidar"]
[Black "Ader Hausman, Walter"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "15"]
[White "Munoz, Francisco"]
[Black "Martin, Pedro"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "15"]
[White "Najdorf, Miguel"]
[Black "Gutierrez Mangel, Joaquin"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "15"]
[White "Panno, Oscar"]
[Black "Cuellar Jimenez, Alfredo"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "15"]
[White "Perez, Francisco Jose"]
[Black "De Greiff, Boris"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "15"]
[White "Perez, Jaime"]
[Black "Sanchez, Frank"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "15"]
[White "Sanchez, Luis Augusto"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "16"]
[White "Ader Hausman, Walter"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "16"]
[White "Cuellar Gacharna, Miguel"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "E62"]
[EventDate "1958.01.20"]
[PlyCount "59"]

1.c4 Nf6 2.g3 g6 3.Nc3 Bg7 4.Bg2 d6 5.d4 O-O 6.Nf3 Nc6 7.O-O e5 8.dxe5 
dxe5 9.Bg5 Be6 10.Qa4 Qc8 11.Rfd1 Nd7 12.Nd5 Re8 13.Be3 Nb6 14.Qc2 Bf5 15.
Qc1 Be4 16.Bg5 Nxd5 17.cxd5 Nd4 18.Nxd4 exd4 19.e3 Bxg2 20.Kxg2 Qf5 21.
exd4 Qxd5+ 22.Kg1 f6 23.Be3 Rad8 24.Qc5 b6 25.Qxd5+ Rxd5 26.Rac1 Re7 27.
Rd2 a5 28.Rc4 Rd6 29.b3 Kf8 30.Rdc2 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "16"]
[White "Cuellar Jimenez, Alfredo"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "16"]
[White "De Greiff, Boris"]
[Black "Del Pozo, Nestor"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "16"]
[White "Denis, Francisco"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "16"]
[White "Gutierrez Mangel, Joaquin"]
[Black "Munoz, Francisco"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "16"]
[White "Lombardy, William James"]
[Black "Humerez, Cidar"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "16"]
[White "Martin, Pedro"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "16"]
[White "Medina Garcia, Antonio Angel"]
[Black "Perez, Jaime"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "16"]
[White "Sanchez, Frank"]
[Black "Davila, Edmundo"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "17"]
[White "Bisguier, Arthur Bernard"]
[Black "De Greiff, Boris"]
[Result "1/2-1/2"]
[ECO "E31"]
[EventDate "1958.01.20"]
[PlyCount "72"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6 7.dxe6 Bxe6 8.e3 O-O 
9.Nf3 Nc6 10.Qc2 Bxc3+ 11.bxc3 Qe7 12.Be2 d5 13.cxd5 Bxd5 14.O-O Rad8 15.
c4 Be4 16.Qc3 g5 17.Bg3 Nh5 18.Rad1 Nxg3 19.hxg3 Rxd1 20.Rxd1 Rd8 21.Rxd8+
Qxd8 22.Nd2 Bg6 23.Nb3 b6 24.Bf3 Qd6 25.Bd5 Qe5 26.Qd2 Qf6 27.f4 a5 28.e4 
a4 29.e5 Qf5 30.Bxc6 axb3 31.axb3 Qb1+ 32.Kh2 Qxb3 33.Qd8+ Kh7 34.Qf6 gxf4
35.Qxf4 Qd3 36.Bd5 Qf5 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "17"]
[White "Davila, Edmundo"]
[Black "Medina Garcia, Antonio Angel"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "17"]
[White "Del Pozo, Nestor"]
[Black "Martin, Pedro"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "17"]
[White "Humerez, Cidar"]
[Black "Sanchez, Frank"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "17"]
[White "Munoz, Francisco"]
[Black "Cuellar Jimenez, Alfredo"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "17"]
[White "Najdorf, Miguel"]
[Black "Ader Hausman, Walter"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "17"]
[White "Panno, Oscar"]
[Black "Lombardy, William James"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1958.01.20"]
[PlyCount "36"]

1.c4 Nf6 2.Nf3 c5 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 
Nc6 9.Qf4 O-O 10.Rd1 Qc8 11.b3 Qb8 12.Bb2 Qxf4 13.gxf4 Na5 14.Ne5 Rfd8 15.
Rd2 Bb4 16.Nd3 Bxg2 17.Kxg2 Be7 18.Rad1 Rac8 1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "17"]
[White "Perez, Francisco Jose"]
[Black "Gutierrez Mangel, Joaquin"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "17"]
[White "Perez, Jaime"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "17"]
[White "Sanchez, Luis Augusto"]
[Black "Denis, Francisco"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "18"]
[White "Ader Hausman, Walter"]
[Black "Munoz, Francisco"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "18"]
[White "Cuellar Gacharna, Miguel"]
[Black "Davila, Edmundo"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "18"]
[White "Cuellar Jimenez, Alfredo"]
[Black "Perez, Francisco Jose"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "18"]
[White "Denis, Francisco"]
[Black "De Greiff, Boris"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "18"]
[White "Gutierrez Mangel, Joaquin"]
[Black "Del Pozo, Nestor"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "18"]
[White "Lombardy, William James"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "18"]
[White "Martin, Pedro"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "18"]
[White "Medina Garcia, Antonio Angel"]
[Black "Humerez, Cidar"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "18"]
[White "Sanchez, Frank"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "18"]
[White "Sanchez, Luis Augusto"]
[Black "Perez, Jaime"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "19"]
[White "Bisguier, Arthur Bernard"]
[Black "Gutierrez Mangel, Joaquin"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "19"]
[White "Davila, Edmundo"]
[Black "Sanchez, Luis Augusto"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "19"]
[White "De Greiff, Boris"]
[Black "Martin, Pedro"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "19"]
[White "Del Pozo, Nestor"]
[Black "Cuellar Jimenez, Alfredo"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "19"]
[White "Humerez, Cidar"]
[Black "Cuellar Gacharna, Miguel"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "19"]
[White "Munoz, Francisco"]
[Black "Lombardy, William James"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "19"]
[White "Najdorf, Miguel"]
[Black "Sanchez, Frank"]
[Result "0-1"]
[ECO "D46"]
[EventDate "1958.01.20"]
[PlyCount "80"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 c6 5.e3 Bd6 6.Bd3 Nbd7 7.e4 dxe4 8.Nxe4 
Nxe4 9.Bxe4 f5 10.Bc2 O-O 11.O-O Nf6 12.Qe2 c5 13.dxc5 Bxc5 14.Bd2 Qe8 15.
Rab1 Bd7 16.Ne5 Rd8 17.Nxd7 Nxd7 18.Bg5 Rc8 19.Ba4 Rf7 20.Qd2 Rc7 21.Rfd1 
e5 22.b4 Bf8 23.f4 e4 24.c5 h6 25.Bh4 Kh8 26.Bb3 Rf6 27.Qd5 Be7 28.Ba4 Rf7
29.Bxd7 Rxd7 30.Qxd7 Bxc5+ 31.Qd4 Bxd4+ 32.Rxd4 Rd7 33.Bf2 Rxd4 34.Bxd4 
Qa4 35.Rc1 Qxb4 36.Be5 Qd2 37.Rc8+ Kh7 38.h3 e3 39.Rc7 Kg8 40.Rxg7+ Kf8 
0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "19"]
[White "Panno, Oscar"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1-0

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "19"]
[White "Perez, Francisco Jose"]
[Black "Ader Hausman, Walter"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

0-1

[Event "3rd Pan-American ch"]
[Site "Bogota COL"]
[Date "1958.??.??"]
[Round "19"]
[White "Perez, Jaime"]
[Black "Denis, Francisco"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1958.01.20"]
[PlyCount "0"]

1/2-1/2

