[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.1"]
[White "Barros, Raul Junior"]
[Black "Blit, Jacques"]
[Result "1/2-1/2"]
[WhiteElo "2072"]
[BlackElo "2398"]
[ECO "B34"]
[EventDate "2010.05.20"]
[PlyCount "72"]

1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb3 Nf6 6.Nc3 Bg7 7.Be2 O-O 8.O-O 
a5 9.a4 d6 10.Be3 Nb4 11.f4 Qc7 12.Kh1 Bd7 13.Bf3 Bc6 14.Nd4 Nd7 15.Nce2 
Nb6 16.Nxc6 bxc6 17.c3 Na6 18.Qc2 Rab8 19.b3 Nd7 20.Rab1 Rb7 21.Nc1 Rfb8 
22.Nd3 c5 23.e5 Rb6 24.exd6 Rxd6 25.Nb2 Nb6 26.f5 Nd5 27.Bxd5 Rxd5 28.Bf4 
Be5 29.Qe4 Rbd8 30.c4 Bxf4 31.cxd5 Bxh2 32.fxg6 hxg6 33.Qf3 f6 34.Qd3 Kg7 
35.Rf3 Nb4 36.Qe4 Bg3 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.2"]
[White "Fernandez, Fernando"]
[Black "Carlo, Daniel"]
[Result "1-0"]
[WhiteElo "2388"]
[BlackElo "2068"]
[ECO "D13"]
[EventDate "2010.05.20"]
[PlyCount "39"]

1.Nf3 d5 2.d4 c6 3.c4 Nf6 4.Nc3 e6 5.cxd5 cxd5 6.Bf4 a6 7.Rc1 Nc6 8.e3 Be7
9.Bd3 O-O 10.Bb1 Bd7 11.O-O b5 12.Ne5 Rc8 13.Qf3 Na5 14.Qh3 Nc4 15.Nxd5 
exd5 16.Nxd7 Re8 17.Nxf6+ Bxf6 18.Bxh7+ Kf8 19.Bf5 Ra8 20.b3 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.3"]
[White "Chavarro, Jeffry"]
[Black "Macias Murillo, Bryan"]
[Result "0-1"]
[WhiteElo "2035"]
[BlackElo "2347"]
[ECO "B43"]
[EventDate "2010.05.20"]
[PlyCount "54"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 b5 7.Bg2 Bb7 8.O-O d6 
9.a3 Nd7 10.f4 Ngf6 11.Qe2 Rc8 12.f5 e5 13.Nb3 h5 14.h3 Be7 15.Be3 Nb6 16.
Na5 Ba8 17.Rad1 Na4 18.Nxa4 bxa4 19.Qxa6 O-O 20.b4 Nxe4 21.Kh2 Qc3 22.Rd3 
Qb2 23.Qxa8 Rxa8 24.Bxe4 Rac8 25.Nc6 Rxc6 26.Bxc6 Qxc2+ 27.Rd2 Qxc6 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.4"]
[White "Rojas Alarcon, Julian Antonio"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[WhiteElo "2323"]
[BlackElo "2022"]
[ECO "C18"]
[EventDate "2010.05.20"]
[PlyCount "47"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qa5 7.Bd2 Qa4 8.dxc5 
Nd7 9.Nf3 Qe4+ 10.Be3 Nxe5 11.Nxe5 Qxe5 12.Bb5+ Bd7 13.Bxd7+ Kxd7 14.O-O 
Ne7 15.Rb1 Kc8 16.Qg4 h5 17.Qa4 Qc7 18.Rfd1 e5 19.f4 e4 20.Bf2 Qxf4 21.c6 
bxc6 22.Qa6+ Kd7 23.Bc5 Rhb8 24.Rb7+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.5"]
[White "Ceron, Edgar Ivan"]
[Black "Arenas, David"]
[Result "0-1"]
[WhiteElo "2010"]
[BlackElo "2313"]
[ECO "E63"]
[EventDate "2010.05.20"]
[PlyCount "46"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O Nc6 7.Nc3 a6 8.h3 Rb8 
9.e4 b5 10.Qe2 e5 11.dxe5 dxe5 12.Rd1 Nd4 13.Qd3 b4 14.Na4 Nd7 15.c5 Bb7 
16.Nxd4 exd4 17.f4 Bc6 18.Qxa6 Bb5 19.Qa5 Be2 20.Re1 Rb5 21.Qa6 Nb8 22.Qa8
d3 23.Bd2 c6 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.6"]
[White "Rios, Cristhian Camilo"]
[Black "Giron, David"]
[Result "1/2-1/2"]
[WhiteElo "2267"]
[BlackElo "1997"]
[ECO "E42"]
[EventDate "2010.05.20"]
[PlyCount "50"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2 O-O 6.a3 cxd4 7.exd4 Be7 8.Nf4 d5
9.cxd5 Nxd5 10.Ncxd5 exd5 11.Be2 Bg5 12.O-O Qd6 13.Ne6 Bxc1 14.Nxf8 Bh6 
15.Nxh7 Bf5 16.Qb3 Nc6 17.Qxb7 Rb8 18.Qa6 Rb6 19.Qa4 Kxh7 20.Rad1 Qg6 21.
b4 Bc2 22.Qxc2 Qxc2 23.Bd3+ Qxd3 24.Rxd3 a5 25.bxa5 Nxa5 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.7"]
[White "Duque, Juan Camilo"]
[Black "Sanchez Maya, Simon"]
[Result "1/2-1/2"]
[WhiteElo "1974"]
[BlackElo "2189"]
[ECO "B81"]
[EventDate "2010.05.20"]
[PlyCount "86"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.g4 Qc7 8.g5 Nfd7
9.Bg2 Ne5 10.O-O Nbd7 11.Qe2 b5 12.Rad1 Bb7 13.f4 Nc4 14.Bc1 Rc8 15.b3 
Ncb6 16.Rd3 g6 17.Rf2 Bg7 18.Ndxb5 axb5 19.Nxb5 Qb8 20.Nxd6+ Kf8 21.f5 
exf5 22.Nxb7 Ne5 23.exf5 Nxd3 24.Ba3+ Kg8 25.Qxd3 Be5 26.Bc5 Bxh2+ 27.Kf1 
Qc7 28.Bxb6 Qxb6 29.Qd7 Qc7 30.Qxc7 Rxc7 31.Bd5 Bg3 32.Rf3 Bh2 33.c4 gxf5 
34.Rxf5 Re7 35.Kg2 Bc7 36.Nc5 Kg7 37.Ne4 Be5 38.Kf3 h5 39.gxh6+ Rxh6 40.a4
Rh3+ 41.Kg4 Rxb3 42.Bxf7 Rxf7 43.Rxe5 Rb4 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.8"]
[White "Narvaez, Zamir"]
[Black "Dominguez, Oscar"]
[Result "1-0"]
[WhiteElo "2176"]
[BlackElo "1921"]
[ECO "C13"]
[EventDate "2010.05.20"]
[PlyCount "38"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 O-O 7.Qg4 f5 8.Qg3 c5 
9.Nf3 cxd4 10.Nxd4 Nc5 11.Be2 Kh8 12.O-O-O Nc6 13.f4 Bd7 14.Qe3 Rc8 15.Kb1
a6 16.g4 Nxd4 17.Rxd4 Ne4 18.Nxe4 fxe4 19.c4 Bc6 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.9"]
[White "Zuleta, Juan Esteban"]
[Black "Torres, Juan Camilo"]
[Result "0-1"]
[WhiteElo "1916"]
[BlackElo "2172"]
[ECO "B41"]
[EventDate "2010.05.20"]
[PlyCount "52"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Qc7 7.a3 b6 8.Bd3 d6 
9.O-O Nbd7 10.f4 Be7 11.b4 b5 12.Qb3 Qb6 13.Ne2 e5 14.fxe5 dxe5 15.c5 Nxc5
16.bxc5 Bxc5 17.Bb2 Be6 18.Qc2 Rc8 19.Kh1 Bxd4 20.Bxd4 exd4 21.Qb2 O-O 22.
Nxd4 Rcd8 23.Nxe6 Qxe6 24.e5 Ng4 25.Bf5 Qxe5 26.Qb4 Qxh2# 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.10"]
[White "Bassan, Remo"]
[Black "Mayorquin, Nicolas"]
[Result "1-0"]
[WhiteElo "2164"]
[BlackElo "1848"]
[ECO "B24"]
[EventDate "2010.05.20"]
[PlyCount "68"]

1.e4 c5 2.Nc3 e6 3.g3 Nc6 4.Bg2 d6 5.d3 Be7 6.Nge2 Nf6 7.O-O O-O 8.f4 a6 
9.h3 Re8 10.g4 Bf8 11.Ng3 Qc7 12.g5 Nd7 13.Nce2 b5 14.f5 exf5 15.Nxf5 Bb7 
16.Bf4 Nde5 17.Ne3 Nd4 18.Nc3 Ne6 19.Ncd5 Qd8 20.h4 Bxd5 21.Nxd5 Nxf4 22.
Rxf4 Ra7 23.Qh5 Ng6 24.Rf2 Qc8 25.Kh2 Qe6 26.Rf5 Ne7 27.Nf4 g6 28.Qf3 Qc8 
29.Rxf7 Kxf7 30.Bh3 Nf5 31.exf5 gxf5 32.Rg1 Qb7 33.Qh5+ Ke7 34.Re1+ Kd7 
1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.11"]
[White "Valencia, David Fernando"]
[Black "Saltos Velez, Adrian"]
[Result "0-1"]
[WhiteElo "1826"]
[BlackElo "2154"]
[ECO "B38"]
[EventDate "2010.05.20"]
[PlyCount "52"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 O-O 8.Be2 
d6 9.O-O Bd7 10.f3 a5 11.b3 Nxd4 12.Bxd4 Bc6 13.Qd2 Nd7 14.Bxg7 Kxg7 15.
Rfd1 Nc5 16.Qe3 e5 17.Kh1 Qe7 18.Nd5 Bxd5 19.Rxd5 Ne6 20.Rad1 Rfd8 21.Bf1 
Nd4 22.Rc1 Rdc8 23.Qf2 Rc5 24.Qd2 Qc7 25.f4 f6 26.a3 Nxb3 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.12"]
[White "Herrera, Juan Sebastian"]
[Black "Parra, Brayan"]
[Result "1-0"]
[WhiteElo "2122"]
[BlackElo "1807"]
[ECO "C54"]
[EventDate "2010.05.20"]
[PlyCount "83"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.Bb3 Bg4 7.h3 Be6 8.Bc2 Qd7 
9.Qe2 h6 10.Nbd2 Qe7 11.Nf1 O-O-O 12.b4 Bb6 13.a4 a5 14.b5 Nb8 15.Ba3 Bd7 
16.N1d2 g5 17.Nc4 g4 18.Nfxe5 gxh3 19.gxh3 Be6 20.Nxb6+ cxb6 21.Nf3 Qc7 
22.Bb2 Rhg8 23.Nd4 Nbd7 24.O-O-O Rg2 25.Nxe6 fxe6 26.Rdg1 Rdg8 27.Qf1 R2g5
28.f4 Rxg1 29.Rxg1 Qd8 30.Ba3 Nc5 31.Qf2 Kc7 32.e5 Rxg1+ 33.Qxg1 Nd5 34.d4
Nd7 35.Bxd6+ Kc8 36.Qg3 Nc7 37.f5 exf5 38.Bxf5 Qg5+ 39.Qxg5 hxg5 40.e6 Nf6
41.e7+ Kb8 42.Be5 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.13"]
[White "Guzman, Oswaldo"]
[Black "Moran, Daniel Stiven"]
[Result "1/2-1/2"]
[BlackElo "2117"]
[ECO "C00"]
[EventDate "2010.05.20"]
[PlyCount "96"]

1.e4 e6 2.c3 d5 3.exd5 exd5 4.d4 Bd6 5.Nf3 Ne7 6.Be2 O-O 7.h3 Bf5 8.O-O c5
9.dxc5 Bxc5 10.Nbd2 Nbc6 11.Nb3 Bb6 12.Bf4 Qd7 13.Qd2 Rad8 14.Rad1 Be4 15.
Rfe1 h6 16.Qc1 Qf5 17.Be3 Bc7 18.Nbd4 Qg6 19.Nb5 Be5 20.Nxa7 Nxa7 21.Bxa7 
b6 22.Bxb6 Qxb6 23.Nxe5 Qf6 24.Nf3 Ng6 25.Nd4 Nf4 26.f3 Qg5 27.Bf1 Bh7 28.
Kh2 Qf6 29.g3 Ne6 30.Qe3 Rfe8 31.Qf2 Ng5 32.Qg2 Ne6 33.Bd3 Bxd3 34.Rxd3 
Nxd4 35.Rxe8+ Rxe8 36.Rxd4 Qa6 37.Rd2 Qxa2 38.f4 Re4 39.Rd4 f5 40.Qd2 Qa6 
41.Rxe4 dxe4 42.Kg2 Qc4 43.Kf2 Qb3 44.Ke3 Qb6+ 45.Qd4 Qxb2 46.Qd5+ Kh8 47.
Qxf5 Qxc3+ 48.Kxe4 Qxg3 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.14"]
[White "Escobar Medina, Andres F"]
[Black "Norena, Wilder"]
[Result "1-0"]
[WhiteElo "2113"]
[ECO "C77"]
[EventDate "2010.05.20"]
[PlyCount "69"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4 b5 6.Bb3 exd4 7.Ng5 d5 8.exd5 
Na5 9.d6 Qxd6 10.Bxf7+ Kd8 11.Bh5 Qe7+ 12.Kf1 Nxh5 13.Qxh5 Be6 14.Nxe6+ 
Qxe6 15.Bg5+ Be7 16.Bxe7+ Kxe7 17.Nd2 Nc4 18.Nf3 g6 19.Qg5+ Qf6 20.Re1+ 
Kf7 21.Qd5+ Kg7 22.Qd7+ Kf8 23.Nxd4 Nxb2 24.Ne6+ Kg8 25.Nxc7 Rd8 26.Re8+ 
Rxe8 27.Nxe8 Qf7 28.Qd8 Qc4+ 29.Kg1 Qf4 30.g3 Qf3 31.Nf6+ Kg7 32.Qe7+ Kh6 
33.h3 g5 34.Ng4+ Kh5 35.Qg7 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.15"]
[White "Ospina, Juan Pablo"]
[Black "Ruiz C, Joshua D"]
[Result "0-1"]
[WhiteElo "1934"]
[BlackElo "2094"]
[ECO "B90"]
[EventDate "2010.05.20"]
[PlyCount "60"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.a4 e5 7.Nf3 Be7 8.Bd3 h6 
9.O-O Be6 10.Qe2 O-O 11.Bc4 Qc8 12.Bxe6 Qxe6 13.Be3 d5 14.exd5 Nxd5 15.
Nxd5 Qxd5 16.Rad1 Qe6 17.Bd4 exd4 18.Qxe6 fxe6 19.Nxd4 Rf6 20.Rfe1 Bc5 21.
Nf3 Nc6 22.Rd7 b6 23.c3 a5 24.Re4 Rf7 25.Rxf7 Kxf7 26.Rf4+ Ke7 27.Nh4 Rd8 
28.Ng6+ Ke8 29.h3 Rd1+ 30.Kh2 Bd6 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.20"]
[Round "1.16"]
[White "Duran Vega, Sergio"]
[Black "Valdez, Alvaro"]
[Result "1-0"]
[WhiteElo "2082"]
[ECO "B33"]
[EventDate "2010.05.20"]
[PlyCount "89"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Nd5 Be7 11.Bxf6 gxf6 12.Bd3 Be6 13.O-O f5 14.c4 bxc4 15.
Nxe7 Qxe7 16.Nxc4 f4 17.Qa4 Bd7 18.Qa3 Rg8 19.Nxd6+ Kf8 20.Nf5 Qxa3 21.
bxa3 Nd4 22.Rfd1 Nxf5 23.exf5 Bc6 24.g3 Rg5 25.f6 Bf3 26.Re1 Re8 27.Bxa6 
Re6 28.Be2 Bxe2 29.Rxe2 Rxf6 30.Re4 h5 31.Rae1 Rff5 32.a4 h4 33.a5 fxg3 
34.fxg3 hxg3 35.a6 gxh2+ 36.Kh1 Rf6 37.Ra4 Rgg6 38.a7 Ra6 39.a8=Q+ Rxa8 
40.Rxa8+ Kg7 41.Rxe5 Kf6 42.Rh5 Ke7 43.a4 Kd7 44.a5 Kc7 45.a6 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.1"]
[White "Bassan, Remo"]
[Black "Fernandez, Fernando"]
[Result "1/2-1/2"]
[WhiteElo "2164"]
[BlackElo "2388"]
[ECO "C29"]
[EventDate "2010.05.20"]
[PlyCount "47"]

1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Nf3 Be7 6.d3 Nxc3 7.bxc3 O-O 8.d4 
c5 9.Bd3 c4 10.Be2 f5 11.g3 Na6 12.h4 Nc7 13.O-O Ne6 14.Ne1 b5 15.a3 a5 
16.Ng2 Rb8 17.Nf4 Nxf4 18.Bxf4 Be6 19.Qd2 Qd7 20.Bg5 Rb6 21.Kg2 Rfb8 22.
Bxe7 Qxe7 23.Rfb1 Qd8 24.Bf3 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.2"]
[White "Macias Murillo, Bryan"]
[Black "Herrera, Juan Sebastian"]
[Result "1-0"]
[WhiteElo "2347"]
[BlackElo "2122"]
[ECO "A20"]
[EventDate "2010.05.20"]
[PlyCount "81"]

1.c4 e5 2.e3 Nf6 3.a3 Be7 4.d3 d5 5.cxd5 Nxd5 6.Nf3 Nc6 7.Be2 O-O 8.O-O 
Be6 9.Qc2 f5 10.Nc3 Kh8 11.Re1 Qe8 12.Na4 Rd8 13.b4 a6 14.Bb2 Bd6 15.Rac1 
Bc8 16.Nc5 Nde7 17.d4 e4 18.Ne5 Ng6 19.Nxb7 Ncxe5 20.dxe5 Bxb7 21.exd6 
cxd6 22.Qc7 Rf7 23.Qb6 Rfd7 24.Bxa6 Bxa6 25.Qxa6 Nh4 26.Red1 Qg6 27.Qf1 
Nf3+ 28.Kh1 Nh4 29.a4 Re7 30.b5 Ra8 31.Ra1 f4 32.exf4 Nf5 33.Bd4 d5 34.Bc5
Rd7 35.a5 d4 36.a6 e3 37.fxe3 Nxe3 38.Qf3 Rdd8 39.Rxd4 Rdb8 40.Qxe3 Rxb5 
41.Rad1 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.3"]
[White "Saltos Velez, Adrian"]
[Black "Rojas Alarcon, Julian Antonio"]
[Result "1-0"]
[WhiteElo "2154"]
[BlackElo "2323"]
[ECO "C54"]
[EventDate "2010.05.20"]
[PlyCount "133"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.b4 Bb6 7.Bg5 Be6 8.Nbd2 Ne7
9.Qb3 Bxc4 10.Nxc4 Ng6 11.a4 c6 12.Nxb6 axb6 13.O-O h6 14.Be3 O-O 15.a5 b5
16.Rfe1 Qd7 17.Rad1 d5 18.exd5 Nxd5 19.c4 Nc7 20.Bb6 Rfe8 21.Qc3 Na6 22.d4
exd4 23.Bxd4 Rxe1+ 24.Rxe1 f6 25.cxb5 cxb5 26.Qc2 Nf4 27.Qe4 Nd5 28.Nh4 
Nac7 29.Bc5 Re8 30.Qb1 Rxe1+ 31.Qxe1 Na6 32.h3 Nxc5 33.bxc5 b4 34.Qd1 Qe6 
35.Nf3 Nc3 36.Qd8+ Kh7 37.Qd3+ Qe4 38.Ne1 f5 39.Qxe4 fxe4 40.Nc2 b3 41.Na3
Na4 42.c6 bxc6 43.Kf1 Kg6 44.Ke2 Kf5 45.a6 Ke6 46.Kd2 b2 47.Kc2 Kd5 48.a7 
Nb6 49.Kxb2 Kd4 50.Kc2 c5 51.Nb5+ Ke5 52.Nc7 e3 53.fxe3 Ke4 54.Kd2 g5 55.
a8=Q+ Nxa8 56.Nxa8 c4 57.Nb6 c3+ 58.Kxc3 Kxe3 59.Nd5+ Kf2 60.g4 Kg3 61.Kd3
Kxh3 62.Nf6 Kh4 63.Ke4 h5 64.gxh5 g4 65.h6 g3 66.h7 g2 67.Kf4 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.4"]
[White "Arenas, David"]
[Black "Escobar Medina, Andres F"]
[Result "1-0"]
[WhiteElo "2313"]
[BlackElo "2113"]
[ECO "B93"]
[EventDate "2010.05.20"]
[PlyCount "117"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.Bd3 g6 8.O-O Bg7
9.Kh1 O-O 10.Qe1 Nc6 11.Nf3 b5 12.Qh4 Bb7 13.f5 Ne5 14.Nxe5 dxe5 15.a3 e6 
16.Bg5 Qe7 17.Rae1 Rad8 18.Re2 exf5 19.exf5 Rd6 20.Be4 Rd4 21.Qe1 Qc7 22.
Bxf6 Bxf6 23.fxg6 fxg6 24.h3 Kg7 25.Rf3 Bxe4 26.Nxe4 Qd8 27.Kh2 Be7 28.c3 
Rd1 29.Qg3 Rxf3 30.Qxf3 Qf8 31.Qxf8+ Kxf8 32.Kg3 Kf7 33.Kf3 Ke6 34.Nf2 Rf1
35.Ke4 h5 36.Nd3 Bd6 37.Re1 Rf8 38.Re3 Rf1 39.Rg3 Rf6 40.Rf3 Rf5 41.Ne1 
Rg5 42.g3 Rf5 43.g4 hxg4 44.hxg4 Rf4+ 45.Rxf4 exf4 46.Nf3 Bc7 47.g5 Kd6 
48.Ne5 Ke6 49.Nxg6 f3 50.Kxf3 Kf5 51.Nf8 Bd6 52.Nd7 Kxg5 53.Ke4 a5 54.Kd5 
Be7 55.Kc6 b4 56.cxb4 axb4 57.a4 b3 58.a5 Ba3 59.a6 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.5"]
[White "Ruiz C, Joshua D"]
[Black "Narvaez, Zamir"]
[Result "0-1"]
[WhiteElo "2094"]
[BlackElo "2176"]
[ECO "B47"]
[EventDate "2010.05.20"]
[PlyCount "48"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Nb3 a6 7.f4 b5 8.Qf3 Bb7
9.Bd3 Nf6 10.Bd2 Rc8 11.g4 b4 12.Ne2 d5 13.e5 Ne4 14.Be3 Na5 15.Bd4 Nc4 
16.Ng3 Nc5 17.Qf2 a5 18.O-O a4 19.Nc1 Ne4 20.Qg2 Bc5 21.Nge2 Qb6 22.c3 Ne3
23.Bxe3 Bxe3+ 24.Kh1 Nd2 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.7"]
[White "Blit, Jacques"]
[Black "Duran Vega, Sergio"]
[Result "1-0"]
[WhiteElo "2398"]
[BlackElo "2082"]
[ECO "B54"]
[EventDate "2010.05.20"]
[PlyCount "89"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 g6 6.c4 Bg7 7.Nc3 Nc6 8.Be3 O-O
9.Qd2 Bd7 10.Nc2 a5 11.b3 Nb4 12.Nd4 Nc6 13.Rb1 Nxd4 14.Bxd4 Bc6 15.Be3 
Nd7 16.a3 Nc5 17.Be2 e6 18.Bd1 b6 19.O-O Re8 20.Bc2 Qc7 21.Bh6 Bxh6 22.
Qxh6 Qe7 23.f4 d5 24.exd5 exd5 25.Nxd5 Bxd5 26.cxd5 Qe3+ 27.Rf2 Rac8 28.
Qh4 Nb7 29.Qg3 Qc5 30.b4 axb4 31.axb4 Qxd5 32.Rd1 Qc6 33.f5 Qc3 34.Qxc3 
Rxc3 35.Ba4 Ra8 36.fxg6 hxg6 37.Bb5 Nd8 38.Rf6 Ne6 39.Rd7 Rc1+ 40.Bf1 Rf8 
41.Rb7 Rc6 42.b5 Rd6 43.Bc4 Rd1+ 44.Kf2 Ng5 45.Rxg6+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.8"]
[White "Moran, Daniel Stiven"]
[Black "Rios, Cristhian Camilo"]
[Result "0-1"]
[WhiteElo "2117"]
[BlackElo "2267"]
[ECO "A53"]
[EventDate "2010.05.20"]
[PlyCount "74"]

1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.e4 e5 5.d5 Be7 6.Bd3 O-O 7.Nge2 Nh5 8.g4 Nf4
9.Nxf4 exf4 10.Bxf4 Bg5 11.Bg3 Qf6 12.h4 Bf4 13.g5 Qe5 14.Bxf4 Qxf4 15.Qd2
Ne5 16.Be2 Nf3+ 17.Bxf3 Qxf3 18.Rg1 f5 19.gxf6 Rxf6 20.Qe3 Bg4 21.Qxf3 
Bxf3 22.Kd2 Rf4 23.Rae1 Bh5 24.Nb5 Rxf2+ 25.Kc3 Rf3+ 26.Kd2 Raf8 27.Rg2 
Bg6 28.c5 R3f4 29.Rge2 c6 30.dxc6 bxc6 31.Nxd6 Bf7 32.Nf5 Re8 33.Nd4 Rxh4 
34.Nxc6 Rh6 35.Nd4 Rd8 36.Kc3 Ra6 37.a3 Ra4 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.9"]
[White "Sanchez Maya, Simon"]
[Black "Guzman, Oswaldo"]
[Result "1-0"]
[WhiteElo "2189"]
[ECO "C21"]
[EventDate "2010.05.20"]
[PlyCount "35"]

1.e4 e5 2.d4 exd4 3.c3 d5 4.exd5 Qxd5 5.cxd4 Nc6 6.Nf3 Bg4 7.Nc3 Bb4 8.Be2
O-O-O 9.O-O Qa5 10.Be3 Bxc3 11.bxc3 Qxc3 12.Rb1 Nf6 13.Qa4 Nd5 14.Bd2 Nb6 
15.Rxb6 Rxd4 16.Nxd4 Qxd4 17.Bxg4+ Kb8 18.Rxb7+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.10"]
[White "Giron, David"]
[Black "Barros, Raul Junior"]
[Result "0-1"]
[WhiteElo "1997"]
[BlackElo "2072"]
[ECO "B83"]
[EventDate "2010.05.20"]
[PlyCount "112"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 Nc6 7.Be2 Be7 8.O-O 
O-O 9.Nb3 a6 10.a4 b6 11.f4 Bb7 12.Bf3 Qc7 13.Qe1 Rab8 14.Qf2 Ba8 15.Qe2 
Qc8 16.Nd2 Rd8 17.Nc4 Nd7 18.Rfd1 Nc5 19.e5 d5 20.Nd6 Bxd6 21.exd6 Rxd6 
22.f5 d4 23.Bf4 e5 24.Bxe5 Nxe5 25.Qxe5 Bxf3 26.Qxd6 Bxd1 27.Nxd1 Ne4 28.
Qe5 Nf6 29.Qxd4 Qxc2 30.Ne3 Qe2 31.Nc4 Rc8 32.Na3 b5 33.axb5 axb5 34.Qf2 
Qd3 35.Qf1 Qd4+ 36.Qf2 Qd5 37.Qb6 Qe5 38.Rd1 h6 39.Qd4 Qxf5 40.Rf1 Qg5 41.
h4 Qg3 42.Qf4 Qb3 43.Qd4 Re8 44.Rf3 Re1+ 45.Kh2 Qe6 46.Nxb5 Re4 47.Rxf6 
gxf6 48.Qf2 Kh7 49.Nc3 Qe5+ 50.Kh3 Re1 51.g3 Qe6+ 52.Kg2 Qc6+ 53.Kh3 Rh1+ 
54.Kg4 Kg7 55.Qf5 Qg2 56.Qb5 Qh3+ 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.11"]
[White "Carlo, Daniel"]
[Black "Duque, Juan Camilo"]
[Result "1-0"]
[WhiteElo "2068"]
[BlackElo "1974"]
[ECO "B13"]
[EventDate "2010.05.20"]
[PlyCount "107"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nf6 5.c3 Nc6 6.Bf4 e6 7.Nf3 Bd6 8.Bxd6 
Qxd6 9.O-O O-O 10.Re1 Nd7 11.Nbd2 e5 12.dxe5 Ncxe5 13.Nxe5 Nxe5 14.Bxh7+ 
Kxh7 15.Qh5+ Qh6 16.Rxe5 Be6 17.Qxh6+ gxh6 18.Nb3 Rad8 19.Nd4 Rd6 20.Rae1 
Bc8 21.Re7 a6 22.f4 Rf6 23.g3 Kg6 24.R1e5 Rd8 25.f5+ Kg7 26.g4 Rb6 27.b3 
Kf6 28.Kf2 Rg8 29.Re8 Rxg4 30.Rxd5 Rf4+ 31.Kg3 Rxf5 32.Nxf5 Bxf5 33.Kf4 
Be6 34.Rd2 Rc6 35.c4 b5 36.cxb5 axb5 37.Rh8 Kg7 38.Rb8 Rc5 39.Ke4 h5 40.
Kd4 Rg5 41.Kc3 h4 42.Kb4 h3 43.Rxb5 Rg4+ 44.Kc3 Kg6 45.Re5 Rg2 46.Re3 Kh5 
47.Rxg2 hxg2 48.Rg3 Bd5 49.Kd4 Bc6 50.Ke5 Kh4 51.a4 Kh5 52.Kf6 Kh4 53.a5 
Bb7 54.b4 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.12"]
[White "Mayorquin, Nicolas"]
[Black "Chavarro, Jeffry"]
[Result "1-0"]
[WhiteElo "1848"]
[BlackElo "2035"]
[ECO "B43"]
[EventDate "2010.05.20"]
[PlyCount "63"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be2 b5 7.a3 Bb7 8.O-O Nf6
9.f3 Be7 10.Be3 O-O 11.Kh1 d6 12.Qe1 d5 13.exd5 Nxd5 14.Nxd5 Bxd5 15.c3 
Nd7 16.Rd1 f5 17.Bd3 Bd6 18.Bg1 Rf6 19.Bc2 Ne5 20.Nxf5 Raf8 21.Nxd6 Nxf3 
22.Qg3 Qc6 23.Rxd5 exd5 24.Rxf3 Rxd6 25.Rxf8+ Kxf8 26.Bd4 Rd7 27.Bxh7 Re7 
28.Bg6 Rc7 29.Qf2+ Kg8 30.Qf5 Re7 31.Bh7+ Kh8 32.Qf8+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.13"]
[White "Guelgua, Alvaro"]
[Black "Valencia, David Fernando"]
[Result "1-0"]
[WhiteElo "2022"]
[BlackElo "1826"]
[ECO "B35"]
[EventDate "2010.05.20"]
[PlyCount "53"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.Bb3 
d6 9.h3 Bd7 10.O-O Qc8 11.f4 Nxd4 12.Bxd4 Bc6 13.Qd3 Nd7 14.f5 Bxd4+ 15.
Qxd4 Ne5 16.f6 Qd7 17.Rad1 Rfd8 18.Bd5 a6 19.Qe3 Qe8 20.Qg5 e6 21.Bb3 Rd7 
22.Rf4 Kh8 23.Rh4 b5 24.Rh6 a5 25.Rf1 a4 26.Rf4 Qf8 27.Rfh4 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.14"]
[White "Parra, Brayan"]
[Black "Ceron, Edgar Ivan"]
[Result "0-1"]
[WhiteElo "1807"]
[BlackElo "2010"]
[ECO "C06"]
[EventDate "2010.05.20"]
[PlyCount "68"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.Bd3 c5 5.e5 Nfd7 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 f6
9.exf6 Nxf6 10.O-O Bd6 11.Nf3 O-O 12.Bg5 Qc7 13.Qc2 h6 14.Bh4 Bd7 15.Bg6 
Be8 16.Rac1 Bxg6 17.Qxg6 Qf7 18.Qxf7+ Rxf7 19.Bg3 Ne4 20.Bxd6 Nxd6 21.Ng3 
Nb5 22.Ne2 g5 23.h3 Nd6 24.a3 Nc4 25.Rc2 Kg7 26.Re1 Raf8 27.Ng3 Re7 28.Kf1
Kg6 29.Ne5+ N6xe5 30.dxe5 Ref7 31.Rce2 h5 32.Kg1 Rf4 33.Rd1 h4 34.Nf1 R8f5
0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.15"]
[White "Dominguez, Oscar"]
[Black "Ospina, Juan Pablo"]
[Result "1-0"]
[WhiteElo "1921"]
[BlackElo "1934"]
[ECO "B34"]
[EventDate "2010.05.20"]
[PlyCount "57"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Nxc6 bxc6 8.e5
Nd5 9.Nxd5 cxd5 10.Qxd5 Rb8 11.Bc4 O-O 12.O-O Bb7 13.Qd3 Bxe5 14.Bxa7 Rc8 
15.Bd4 Qc7 16.Bxe5 Qxe5 17.b3 d6 18.Qe3 Qf6 19.f4 d5 20.Bd3 d4 21.Qe5 Qc6 
22.Rf2 Qd7 23.f5 Ba8 24.Raf1 e6 25.fxg6 hxg6 26.Rf4 Qc6 27.Qg5 e5 28.Rf6 
Qd5 29.Rxg6+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "2.16"]
[White "Norena, Wilder"]
[Black "Zuleta, Juan Esteban"]
[Result "0-1"]
[BlackElo "1916"]
[ECO "B80"]
[EventDate "2010.05.20"]
[PlyCount "86"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f3 e6 7.Be3 Be7 8.Qd2 Qc7
9.g4 Nc6 10.h4 b5 11.h5 Nd7 12.f4 Bb7 13.Nb3 Nc5 14.Bd3 b4 15.Ne2 a5 16.
Ng3 Nxd3+ 17.cxd3 a4 18.Nd4 d5 19.Rc1 Qd7 20.e5 b3 21.Nxc6 Bxc6 22.a3 O-O 
23.d4 Bb5 24.f5 Rac8 25.Kf2 Rc6 26.f6 gxf6 27.Bh6 Rfc8 28.Rxc6 Rxc6 29.Rc1
fxe5 30.dxe5 Rxc1 31.Qxc1 Qa7+ 32.Kg2 Qc5 33.Be3 Qc2+ 34.Bd2 Qxc1 35.Bxc1 
Bc5 36.Kf3 Kf8 37.h6 Bd4 38.Kf4 f6 39.exf6 Bxf6 40.g5 Bd4 41.Nh5 e5+ 42.
Kf5 Bd7+ 43.Kf6 e4# 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.1"]
[White "Narvaez, Zamir"]
[Black "Macias Murillo, Bryan"]
[Result "1/2-1/2"]
[WhiteElo "2176"]
[BlackElo "2347"]
[ECO "B85"]
[EventDate "2010.05.20"]
[PlyCount "64"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 Nf6 8.O-O 
Be7 9.f4 d6 10.Qe1 O-O 11.Qg3 Re8 12.Rae1 Bf8 13.Nxc6 bxc6 14.Bd4 Nd7 15.
f5 e5 16.Be3 Bb7 17.Bc4 Nb6 18.Bxb6 Qxb6+ 19.Kh1 Rad8 20.Rd1 Qc5 21.Qd3 a5
22.a3 Rd7 23.Na4 Qa7 24.Qb3 Rb8 25.Qb6 Ba8 26.Qxa7 Rxa7 27.Rd3 Be7 28.Rfd1
Kf8 29.Rh3 Kg8 30.Rg3 Rd7 31.Rb3 Rdd8 32.Nb6 Bb7 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.2"]
[White "Torres, Juan Camilo"]
[Black "Arenas, David"]
[Result "0-1"]
[WhiteElo "2172"]
[BlackElo "2313"]
[ECO "E63"]
[EventDate "2010.05.20"]
[PlyCount "76"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 O-O 5.g3 d6 6.Bg2 Nc6 7.O-O a6 8.h3 Rb8 
9.a4 Nd7 10.e4 Nb4 11.Be3 c5 12.Qd2 cxd4 13.Nxd4 Nc5 14.Rad1 e5 15.Nde2 
Nc6 16.Rfe1 Nd4 17.Bxd4 Nb3 18.Qc2 Nxd4 19.Nxd4 exd4 20.Ne2 f5 21.Nxd4 f4 
22.gxf4 Rxf4 23.Ne2 Rf7 24.c5 Qh4 25.Ng3 dxc5 26.Qxc5 Bxh3 27.b4 Rc8 28.
Qd5 Rf8 29.Rb1 Kh8 30.Rbd1 Rd7 31.Qxd7 Bxd7 32.Rxd7 b6 33.e5 Bxe5 34.Ne4 
Rc8 35.Nc5 Bh2+ 36.Kh1 Bg3+ 37.Kg1 Bxf2+ 38.Kf1 Bxc5 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.3"]
[White "Fernandez, Fernando"]
[Black "Saltos Velez, Adrian"]
[Result "1/2-1/2"]
[WhiteElo "2388"]
[BlackElo "2154"]
[ECO "A39"]
[EventDate "2010.05.20"]
[PlyCount "96"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.d4 c5 5.g3 O-O 6.Bg2 cxd4 7.Nxd4 Nc6 8.O-O 
Qb6 9.Nc2 d6 10.b3 Be6 11.Nd5 Bxd5 12.cxd5 Ne5 13.Be3 Qa6 14.h3 Rac8 15.
Bd4 Ned7 16.e4 Nc5 17.Re1 Qd3 18.Qxd3 Nxd3 19.Re2 Nd7 20.Bxg7 Kxg7 21.Rd1 
N3c5 22.Nd4 a5 23.Rc2 a4 24.b4 Na6 25.Rxc8 Rxc8 26.a3 Rc3 27.Nb5 Rc2 28.
Rd3 Ne5 29.Rc3 Rxc3 30.Nxc3 Nc4 31.Nb1 Nc7 32.Bf1 Nb6 33.f4 f5 34.exf5 
gxf5 35.Nc3 Ncxd5 36.Nxd5 Nxd5 37.Bg2 e6 38.Bxd5 exd5 39.Kf2 h5 40.Ke3 Kf6
41.Kd4 Ke6 42.b5 b6 43.Kc3 Kf6 44.Kb4 Ke6 45.Kc3 Kf6 46.Kd4 Ke6 47.h4 Ke7 
48.Kxd5 Kd7 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.4"]
[White "Rios, Cristhian Camilo"]
[Black "Blit, Jacques"]
[Result "1-0"]
[WhiteElo "2267"]
[BlackElo "2398"]
[ECO "A87"]
[EventDate "2010.05.20"]
[PlyCount "91"]

1.d4 g6 2.c4 f5 3.Nc3 Nf6 4.g3 Bg7 5.Bg2 O-O 6.Nf3 d6 7.O-O Qe8 8.Re1 Qf7 
9.Qd3 h6 10.h3 Nc6 11.d5 Ne5 12.Nxe5 dxe5 13.e4 f4 14.g4 Nxg4 15.hxg4 f3 
16.Qxf3 Qxf3 17.Bxf3 Rxf3 18.g5 hxg5 19.Bxg5 Bg4 20.Re3 Raf8 21.Rxf3 Rxf3 
22.Kg2 Rd3 23.Be3 a6 24.Na4 b6 25.b3 Bd7 26.Nb2 Rc3 27.Rc1 Rxc1 28.Bxc1 e6
29.Be3 exd5 30.cxd5 Kf7 31.Nc4 Bb5 32.a4 Bxc4 33.bxc4 Bf8 34.Kf3 Be7 35.
Ke2 Bd6 36.Kd3 Bc5 37.Bxc5 bxc5 38.Ke3 Kf6 39.Kf3 a5 40.Kg4 Kg7 41.Kg5 Kf7
42.f4 exf4 43.Kxf4 Kf6 44.e5+ Kg7 45.Kg5 Kf7 46.Kh6 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.5"]
[White "Barros, Raul Junior"]
[Black "Sanchez Maya, Simon"]
[Result "1-0"]
[WhiteElo "2072"]
[BlackElo "2189"]
[ECO "B85"]
[EventDate "2010.05.20"]
[PlyCount "65"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.O-O Qc7 8.a4 Be7
9.Be3 O-O 10.f4 Nc6 11.Nb3 b6 12.Bf3 Bb7 13.g4 Rfe8 14.Bg2 d5 15.e5 Nd7 
16.Ne2 Nc5 17.Nbd4 Ne4 18.c3 Bc5 19.Qe1 Na5 20.Ng3 Nc4 21.Bc1 Rad8 22.Kh1 
Rd7 23.g5 Rdd8 24.Rf3 Rd7 25.Nh5 b5 26.Rh3 Qb6 27.Nf6+ gxf6 28.gxf6 Bf8 
29.b3 Na5 30.Qh4 h6 31.Qg4+ Kh7 32.Bxe4+ dxe4 33.Rg3 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.6"]
[White "Rojas Alarcon, Julian Antonio"]
[Black "Bassan, Remo"]
[Result "0-1"]
[WhiteElo "2323"]
[BlackElo "2164"]
[ECO "B04"]
[EventDate "2010.05.20"]
[PlyCount "82"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 dxe5 5.Nxe5 g6 6.Bc4 c6 7.O-O Bg7 8.Re1 
Nd7 9.Nf3 O-O 10.c3 Re8 11.Bb3 a5 12.Bg5 h6 13.Bh4 N7f6 14.Nbd2 Bf5 15.Ne5
Rc8 16.Qf3 h5 17.h3 Bh6 18.Rad1 Bg7 19.g4 hxg4 20.hxg4 Be6 21.g5 Nh5 22.
Bg3 Nxg3 23.fxg3 Bxe5 24.Rxe5 Qd7 25.Rf1 f6 26.Ree1 fxg5 27.Ne4 Rf8 28.Qh1
Rxf1+ 29.Rxf1 Kg7 30.Nxg5 Rh8 31.Qe4 Bf5 32.Qe5+ Nf6 33.Re1 Kf8 34.Qxa5 
Rh5 35.Qa8+ Kg7 36.Nf3 Rh8 37.Qa3 Be4 38.Ng5 Rh1+ 39.Kf2 Qf5+ 40.Ke2 Rh2+ 
41.Kd1 Qg4+ 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.7"]
[White "Herrera, Juan Sebastian"]
[Black "Ceron, Edgar Ivan"]
[Result "1-0"]
[WhiteElo "2122"]
[BlackElo "2010"]
[ECO "C07"]
[EventDate "2010.05.20"]
[PlyCount "61"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 cxd4 5.exd5 Qxd5 6.Bc4 Qd6 7.O-O Nf6 8.Nb3
Nc6 9.Nbxd4 Nxd4 10.Qxd4 Bd7 11.Be3 Rc8 12.Qh4 Qc7 13.Bb3 Bd6 14.Rad1 a6 
15.Rfe1 h6 16.Bd4 Be7 17.Ne5 g5 18.Qh3 Rd8 19.Nxf7 Kxf7 20.Bxe6+ Bxe6 21.
Qxe6+ Kg6 22.Qxe7 Qxe7 23.Rxe7 Rhe8 24.Rxe8 Nxe8 25.Rd2 Kf5 26.f3 Nc7 27.
Bc3 Nd5 28.Ba5 Rd7 29.c4 Nb6 30.b3 Rxd2 31.Bxd2 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.8"]
[White "Escobar Medina, Andres F"]
[Black "Dominguez, Oscar"]
[Result "1/2-1/2"]
[WhiteElo "2113"]
[BlackElo "1921"]
[ECO "C00"]
[EventDate "2010.05.20"]
[PlyCount "72"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Nc6 5.g3 dxe4 6.dxe4 e5 7.Bg2 Bc5 8.O-O 
O-O 9.c3 a5 10.Qc2 Qe7 11.h3 a4 12.Re1 b5 13.Nf1 b4 14.Be3 Ba6 15.cxb4 
Bxe3 16.Qxc6 Bxf1 17.Bxf1 Bb6 18.a3 Rad8 19.Qxa4 Nh5 20.Kg2 Rd6 21.Qb5 Rf6
22.Re2 Rg6 23.Qxe5 Qxe5 24.Nxe5 Nf4+ 25.Kh2 Nxe2 26.Bxe2 Rd6 27.Nd3 Rfd8 
28.Rd1 Rc6 29.Kg2 Rc2 30.Kf1 Kf8 31.Rc1 Rd2 32.Rc3 Bd4 33.Rb3 Rc2 34.a4 
Rc8 35.Bd1 Rc4 36.Bf3 Rb8 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.9"]
[White "Zuleta, Juan Esteban"]
[Black "Ruiz C, Joshua D"]
[Result "0-1"]
[WhiteElo "1916"]
[BlackElo "2094"]
[ECO "B90"]
[EventDate "2010.05.20"]
[PlyCount "130"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f3 e5 7.Nb3 Be6 8.g4 g6 
9.Be3 Be7 10.Qd2 h5 11.g5 Nfd7 12.h4 Nc6 13.O-O-O Na5 14.Nd5 Nxb3+ 15.axb3
Bxd5 16.Qxd5 Qc7 17.Bc4 O-O 18.f4 b5 19.Be2 Rac8 20.Rd2 exf4 21.Bxf4 Ne5 
22.Rg1 Qa5 23.Kb1 Rc5 24.Qb7 Rc7 25.b4 Rxb7 26.bxa5 Rfb8 27.b3 Bf8 28.Rgd1
Rc8 29.Rd5 Rbc7 30.Bxe5 dxe5 31.c4 bxc4 32.Bxc4 Re8 33.Bxa6 Ra8 34.Bc4 Rc5
35.Rd7 Rcxa5 36.Bxf7+ Kh8 37.Bxg6 Ra1+ 38.Kc2 R1a2+ 39.Kd3 Rb8 40.Bf7 Rh2 
41.g6 Rxh4 42.Bc4 Bg7 43.Kc2 Rf4 44.Rh1 h4 45.Rhd1 Rbf8 46.Rg1 h3 47.Rd3 
Rh4 48.Rh1 Rf2+ 49.Kc3 h2 50.Rd8+ Bf8 51.Rd7 Rf3+ 52.Bd3 Rg3 53.Rh7+ Rxh7 
54.gxh7 Rh3 55.Kd2 Bc5 56.Kc3 Bg1 57.Kc4 Kxh7 58.Bf1 Rf3 59.Bg2 Rg3 60.Bf1
Kg6 61.b4 Kg5 62.Kd5 Rb3 63.Bc4 Rb2 64.Bf1 Bd4 65.Kc6 Bg1 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.10"]
[White "Duran Vega, Sergio"]
[Black "Mayorquin, Nicolas"]
[Result "1-0"]
[WhiteElo "2082"]
[BlackElo "1848"]
[ECO "B96"]
[EventDate "2010.05.20"]
[PlyCount "85"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nbd7 8.Qe2 
Qc7 9.O-O-O Be7 10.g3 O-O 11.Bg2 Rb8 12.Rhe1 b5 13.e5 dxe5 14.Nc6 Bc5 15.
Nxb8 Qxb8 16.fxe5 Ne8 17.Ne4 Qxe5 18.Bf4 Qf5 19.Rf1 e5 20.Nxc5 exf4 21.
Nxd7 Bxd7 22.Rxf4 Qe6 23.Qxe6 Bxe6 24.Bd5 Nc7 25.Bxe6 Nxe6 26.Rf5 g6 27.
Re5 Ra8 28.Rd7 Kf8 29.b3 h5 30.Kb2 Ke8 31.Rb7 Kf8 32.c4 bxc4 33.bxc4 Rc8 
34.Kc3 Rc6 35.a4 Nc5 36.Rb8+ Kg7 37.Rxc5 Rxc5 38.Rb6 a5 39.Rb5 Rc6 40.Kd4 
Kf6 41.Kd5 Rc8 42.Rb6+ Ke7 43.Rb7+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.11"]
[White "Valdez, Alvaro"]
[Black "Carlo, Daniel"]
[Result "0-1"]
[BlackElo "2068"]
[ECO "D02"]
[EventDate "2010.05.20"]
[PlyCount "116"]

1.d4 d5 2.Nf3 Nf6 3.Bf4 c6 4.e3 Bf5 5.a3 e6 6.c4 a6 7.c5 Nbd7 8.h3 b6 9.b4
Ne4 10.Bd3 bxc5 11.bxc5 Qa5+ 12.Nbd2 Nxf2 13.Kxf2 Bxd3 14.Qb3 Qb5 15.Qc3 
Bg6 16.a4 Qb7 17.Nh4 Bh5 18.Rhb1 Qc8 19.Rb3 Be7 20.Nhf3 Bg6 21.Ra2 Bd8 22.
Ne5 Nxe5 23.Bxe5 O-O 24.Rab2 Bc7 25.Nf3 f6 26.Bxc7 Qxc7 27.Rb7 Qd8 28.R7b6
Be8 29.Qd3 Qc8 30.R2b3 e5 31.Qb1 e4 32.Nh2 f5 33.Kg1 Bh5 34.Qf1 a5 35.Qf4 
Bd1 36.Ra3 Rb8 37.Qf1 Rxb6 38.cxb6 Bc2 39.Qe1 Qa6 40.Qc3 Qd3 41.Qb2 Qd1+ 
42.Nf1 Bxa4 43.b7 Bb5 44.Rxa5 Qxf1+ 45.Kh2 f4 46.Ra8 fxe3 47.b8=Q Rxb8 48.
Rxb8+ Kf7 49.Rb7+ Kg6 50.Qb4 Qf4+ 51.Kg1 e2 52.h4 Qf1+ 53.Kh2 e1=Q 54.
Rxg7+ Kxg7 55.Qe7+ Qf7 56.Qg5+ Qg6 57.Qe7+ Kh6 58.Qf8+ Kh5 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.13"]
[White "Duque, Juan Camilo"]
[Black "Moran, Daniel Stiven"]
[Result "0-1"]
[WhiteElo "1974"]
[BlackElo "2117"]
[ECO "C01"]
[EventDate "2010.05.20"]
[PlyCount "120"]

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Nf3 Nc6 6.Bf4 Bg4 7.Be2 Be7 8.O-O 
O-O 9.Re1 a6 10.Ne5 Be6 11.Bf3 Re8 12.Bg3 Na7 13.Ne2 c6 14.Nf4 Bf5 15.Nh5 
Ne4 16.Bxe4 Bxe4 17.Nxg7 Kxg7 18.Rxe4 dxe4 19.Qg4+ Bg5 20.h4 f6 21.hxg5 
fxe5 22.Bxe5+ Rxe5 23.dxe5 Qe7 24.e6 Rd8 25.Qxe4 Nc8 26.Qe5+ Kg8 27.c4 Nb6
28.b3 Qg7 29.Qxg7+ Kxg7 30.f4 Kg6 31.g4 Nc8 32.Kf2 h5 33.gxh5+ Kf5 34.Re1 
Ne7 35.Kg3 Rd3+ 36.Kh4 Rf3 37.Rd1 Rxf4+ 38.Kg3 Rg4+ 39.Kf3 Rf4+ 40.Kg3 
Rg4+ 41.Kf3 Rxg5 42.Rd7 Kxe6 43.Rxb7 Rxh5 44.b4 Rh4 45.b5 Rxc4 46.bxc6 
Rxc6 47.Ke3 Rd6 48.a4 Nf5+ 49.Ke2 Ng3+ 50.Ke3 Nf5+ 51.Ke2 Kd5 52.a5 Kc5 
53.Kf3 Nd4+ 54.Ke4 Nc6 55.Rb6 Nxa5 56.Rxd6 Kxd6 57.Kd4 Kc6 58.Kc3 Kb5 59.
Kb2 Kb4 60.Ka2 Ka4 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.14"]
[White "Guzman, Oswaldo"]
[Black "Giron, David"]
[Result "0-1"]
[BlackElo "1997"]
[ECO "B22"]
[EventDate "2010.05.20"]
[PlyCount "36"]

1.e4 c5 2.Nf3 e6 3.c3 Nf6 4.Qc2 Nc6 5.Bb5 d5 6.Bxc6+ bxc6 7.d3 c4 8.Ne5 
cxd3 9.Qxd3 Qc7 10.f4 Nxe4 11.O-O Bc5+ 12.Be3 Qb6 13.Rf3 Bxe3+ 14.Qxe3 
Qxb2 15.Rf1 Qxa1 16.Qe2 Rb8 17.Qc2 Qb2 18.Qa4 Qb6+ 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.15"]
[White "Chavarro, Jeffry"]
[Black "Parra, Brayan"]
[Result "1-0"]
[WhiteElo "2035"]
[BlackElo "1807"]
[ECO "C90"]
[EventDate "2010.05.20"]
[PlyCount "77"]

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.d3 Na5 10.Bc2 c5 11.Nbd2 Qc7 12.Nf1 Re8 13.d4 Bf8 14.h3 g6 15.d5 Bd7 16.
Ng3 Rec8 17.Nh2 Bg7 18.Ng4 Nxg4 19.hxg4 b4 20.Bd2 Nc4 21.Bc1 bxc3 22.b3 
Nb6 23.Re3 a5 24.Nf5 Bf8 25.Rh3 a4 26.Qf3 axb3 27.Bxb3 Ba4 28.Bxa4 Rxa4 
29.Bg5 c2 30.Rxh7 Kxh7 31.Qh3+ Kg8 32.Bf6 Bg7 33.Bxg7 f6 34.Qh8+ Kf7 35.
Nh6+ Ke7 36.Bxf6+ Kd7 37.Qg7+ Ke8 38.Qg8+ Kd7 39.Qf7# 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.21"]
[Round "3.16"]
[White "Valencia, David Fernando"]
[Black "Norena, Wilder"]
[Result "1-0"]
[WhiteElo "1826"]
[ECO "C54"]
[EventDate "2010.05.20"]
[PlyCount "82"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.h3 Be6 7.Bb3 Qd7 8.Bc2 h6 
9.Nbd2 a6 10.Nf1 d5 11.Ne3 dxe4 12.dxe4 Qxd1+ 13.Nxd1 O-O 14.Ne3 Rad8 15.
O-O Rfe8 16.Re1 b5 17.b4 Bb6 18.a4 Nh7 19.Bb2 f6 20.Nd5 Bxd5 21.exd5 Ne7 
22.axb5 axb5 23.Red1 Nf8 24.Bb3 Kh7 25.c4 bxc4 26.Ba4 c6 27.Bxc6 Nxc6 28.
dxc6 Rxd1+ 29.Rxd1 Re6 30.b5 Ba5 31.Rc1 e4 32.Nd4 Re5 33.Rxc4 Bc7 34.Rb4 
Bb6 35.Ra4 Rd5 36.Rc4 Bc7 37.Ba3 Ne6 38.b6 Bxb6 39.Nxe6 Ra5 40.c7 Bxc7 41.
Rxc7 Rxa3 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.1"]
[White "Arenas, David"]
[Black "Rios, Cristhian Camilo"]
[Result "0-1"]
[WhiteElo "2313"]
[BlackElo "2267"]
[ECO "B80"]
[EventDate "2010.05.20"]
[PlyCount "70"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3 a6 7.f3 b5 8.g4 h6 9.
h4 b4 10.Nce2 e5 11.Nb3 Nc6 12.Ng3 Be6 13.Bd3 Qc7 14.Rg1 d5 15.Qe2 a5 16.
g5 hxg5 17.hxg5 d4 18.gxf6 dxe3 19.fxg7 Bxg7 20.Bb5 Qb6 21.Nf5 Bf8 22.Rd1 
a4 23.Nc1 Ra5 24.Bxc6+ Qxc6 25.Qd3 Qc7 26.Nxe3 Bc5 27.Rg2 Bd4 28.b3 Rc5 
29.Ne2 Rh1+ 30.Nf1 Bh3 31.Rg8+ Ke7 32.Nxd4 exd4 33.Kd2 Bxf1 34.Rxf1 Rxc2+ 
35.Kd1 Rxf1+ 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.2"]
[White "Macias Murillo, Bryan"]
[Black "Bassan, Remo"]
[Result "1-0"]
[WhiteElo "2347"]
[BlackElo "2164"]
[ECO "A89"]
[EventDate "2010.05.20"]
[PlyCount "89"]

1.Nf3 f5 2.g3 d6 3.d4 g6 4.Bg2 Bg7 5.O-O Nf6 6.c4 O-O 7.Nc3 Nc6 8.d5 Ne5 
9.Nxe5 dxe5 10.Qb3 Kh8 11.Rd1 h6 12.Bd2 g5 13.Na4 e4 14.Bc3 b6 15.Rac1 Bd7
16.Be5 Qe8 17.Nc3 c5 18.dxc6 Bxc6 19.Nb5 Rc8 20.Nc7 Qf7 21.c5 Qxb3 22.axb3
bxc5 23.Ne6 Rfe8 24.Rxc5 Bb7 25.b4 a6 26.e3 Rxc5 27.bxc5 Bc6 28.b4 Nh5 29.
Nxg7 Nxg7 30.Bf1 Ra8 31.Ra1 a5 32.Rxa5 Rxa5 33.bxa5 Kg8 34.Bc4+ Kf8 35.a6 
Nh5 36.Be6 Nf6 37.Bxf6 exf6 38.Bxf5 Ke8 39.Bc8 Kd8 40.Bb7 Bxb7 41.axb7 Kc7
42.c6 f5 43.Kf1 h5 44.h4 g4 45.Ke2 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.3"]
[White "Saltos Velez, Adrian"]
[Black "Narvaez, Zamir"]
[Result "0-1"]
[WhiteElo "2154"]
[BlackElo "2176"]
[ECO "B22"]
[EventDate "2010.05.20"]
[PlyCount "42"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 d6 6.exd6 Qxd6 7.Nc3 Nc6 8.Nf3 
Bg4 9.Be3 e6 10.Bd3 Nf4 11.Bxf4 Qxf4 12.Be2 Rd8 13.Qa4 Bb4 14.O-O O-O 15.
a3 Bxf3 16.axb4 Bxe2 17.Nxe2 Qd2 18.b5 Qxe2 19.bxc6 bxc6 20.Qxc6 Rxd4 21.
Rxa7 Rd1 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.4"]
[White "Barros, Raul Junior"]
[Black "Torres, Juan Camilo"]
[Result "1-0"]
[WhiteElo "2072"]
[BlackElo "2172"]
[ECO "B43"]
[EventDate "2010.05.20"]
[PlyCount "61"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Bd3 Nf6 7.O-O d6 8.Be3 g6
9.h3 Bg7 10.f4 O-O 11.Qe2 Nbd7 12.a4 b6 13.Rae1 Bb7 14.f5 gxf5 15.Bf2 d5 
16.exd5 Nxd5 17.Nxe6 Nxc3 18.Nxc7 Nxe2+ 19.Rxe2 Rac8 20.Nxa6 Bxb2 21.Nb4 
Nc5 22.Bxf5 Ra8 23.Nd3 Nxa4 24.Nxb2 Nxb2 25.Re7 Bd5 26.Bd4 Nc4 27.Rf4 Rfe8
28.Rd7 Red8 29.Rg4+ Kf8 30.Bg7+ Ke8 31.Bf6 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.5"]
[White "Guelgua, Alvaro"]
[Black "Fernandez, Fernando"]
[Result "0-1"]
[WhiteElo "2022"]
[BlackElo "2388"]
[ECO "B35"]
[EventDate "2010.05.20"]
[PlyCount "90"]

1.e4 c5 2.Nf3 Nc6 3.Nc3 g6 4.d4 cxd4 5.Nxd4 Bg7 6.Be3 Nf6 7.Bc4 Qa5 8.O-O 
O-O 9.Bb3 d6 10.h3 Bd7 11.f4 Rfc8 12.Qf3 Be8 13.g4 Nd7 14.Nxc6 bxc6 15.f5 
Ne5 16.Qf2 c5 17.Nd5 c4 18.Nxe7+ Kh8 19.Nxc8 Rxc8 20.Rfd1 cxb3 21.axb3 Qb4
22.Rd4 Nf3+ 23.Qxf3 Bxd4 24.c3 Rxc3 25.bxc3 Qxc3 26.Rd1 Qxe3+ 27.Qxe3 
Bxe3+ 28.Kg2 Bc5 29.f6 Bc6 30.Kf3 h6 31.h4 g5 32.hxg5 hxg5 33.Rh1+ Kg8 34.
Rh5 Bd4 35.Rxg5+ Kf8 36.Ra5 Ke8 37.g5 Kd7 38.Rf5 Ke6 39.Kf4 Be5+ 40.Ke3 
Bxe4 41.Rf1 Bc2 42.b4 d5 43.Rf2 d4+ 44.Kd2 Bg6 45.Rf1 d3 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.6"]
[White "Carlo, Daniel"]
[Black "Herrera, Juan Sebastian"]
[Result "1-0"]
[WhiteElo "2068"]
[BlackElo "2122"]
[ECO "A06"]
[EventDate "2010.05.20"]
[PlyCount "80"]

1.Nf3 d5 2.b3 Nf6 3.g3 e6 4.Bg2 Bd6 5.Bb2 Qe7 6.c4 c6 7.O-O Nbd7 8.d4 dxc4
9.bxc4 e5 10.e3 O-O 11.a4 Rd8 12.Qb3 exd4 13.exd4 Nf8 14.Nc3 Qc7 15.Bc1 h6
16.a5 Bg4 17.Be3 Ne6 18.Rfb1 Rab8 19.Qa4 Bf8 20.Rd1 Ng5 21.Bxg5 hxg5 22.h3
Bh5 23.g4 Bg6 24.Nxg5 Qf4 25.Nf3 Ne4 26.Ne2 Qf6 27.Ra2 Bd6 28.Rf1 Bc7 29.
Qa3 Qe6 30.Qc1 c5 31.d5 Qd6 32.Re1 Rf8 33.Nc3 Nxc3 34.Qxc3 Rbe8 35.Rae2 f6
36.Nh4 Rxe2 37.Rxe2 Re8 38.Nf5 Qh2+ 39.Kf1 Qf4 40.Qd3 Qc1+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.7"]
[White "Ruiz C, Joshua D"]
[Black "Duran Vega, Sergio"]
[Result "0-1"]
[WhiteElo "2094"]
[BlackElo "2082"]
[ECO "B76"]
[EventDate "2010.05.20"]
[PlyCount "118"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 
O-O 9.O-O-O d5 10.exd5 Nxd5 11.Nxc6 bxc6 12.Nxd5 cxd5 13.Qxd5 Qc7 14.Qc5 
Qb7 15.Qa3 Bf5 16.c3 Rab8 17.Ba6 Qc6 18.Bd3 Be6 19.Bxa7 Ra8 20.Be4 Bh6+ 
21.Kb1 Bf5 22.Bxf5 gxf5 23.Qxe7 Qa4 24.Rd7 Rae8 25.Qd6 Re2 26.Qd1 Qb5 27.
b3 Qa6 28.a4 Rfe8 29.Qd3 Qe6 30.Rd5 Rd2 31.Qxd2 Bxd2 32.Rxd2 Qxb3+ 33.Rb2 
Qxc3 34.Bb6 Qd3+ 35.Ka2 Qc4+ 36.Ka3 h5 37.Rhb1 Kh7 38.a5 Ra8 39.Rb5 Ra6 
40.R1b3 Qc1+ 41.Kb4 Kg6 42.Rc5 Qd2+ 43.Kb5 Qe2+ 44.Rc4 Ra8 45.Rc3 Qxg2 46.
h4 Qb2+ 47.Kc6 Qa2 48.Rc5 Qa4+ 49.Kb7 Re8 50.a6 Qd7+ 51.Rc7 Qd5+ 52.R3c6+ 
f6 53.a7 Qxf3 54.Rd7 Re6 55.Rc7 Re8 56.Bc5 Qb3+ 57.Ka6 Qa4+ 58.Kb6 Qb3+ 
59.Ka5 Re4 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.8"]
[White "Blit, Jacques"]
[Black "Escobar Medina, Andres F"]
[Result "1-0"]
[WhiteElo "2398"]
[BlackElo "2113"]
[ECO "B87"]
[EventDate "2010.05.20"]
[PlyCount "53"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.Qf3 Qc7
9.Bg5 Be7 10.O-O O-O 11.Rae1 b4 12.Nd1 Nc6 13.c3 Bb7 14.Nxc6 Bxc6 15.c4 
Nxe4 16.Bxe7 Qxe7 17.Rxe4 Qb7 18.Rfe1 f5 19.Qg3 Bxe4 20.Qxd6 Qc6 21.Qxb4 
a5 22.Qa4 Bxg2 23.Qxc6 Bxc6 24.Rxe6 Rac8 25.Ne3 a4 26.Bd1 Rfe8 27.Rxc6 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.9"]
[White "Sanchez Maya, Simon"]
[Black "Giron, David"]
[Result "0-1"]
[WhiteElo "2189"]
[BlackElo "1997"]
[ECO "B21"]
[EventDate "2010.05.20"]
[PlyCount "70"]

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Nf3 Nc6 6.Bc4 a6 7.O-O Nge7 8.Bf4 
Ng6 9.Bg3 Be7 10.Qe2 b5 11.Bb3 Bb7 12.Rfd1 Na5 13.Rd2 Nxb3 14.axb3 b4 15.
Na4 O-O 16.Rad1 Bc6 17.Nd4 Bxa4 18.bxa4 Qa5 19.f4 Bc5 20.Kh1 d6 21.f5 Bxd4
22.Rxd4 exf5 23.Rd5 Qxa4 24.exf5 Rfe8 25.Qh5 Ne7 26.b3 Qa3 27.R5d4 Qa5 28.
Rf1 Rac8 29.h3 g6 30.Rg4 Rc5 31.fxg6 Rxh5 32.gxf7+ Kf8 33.Bxd6 Rxh3+ 34.
gxh3 Qd5+ 35.Rg2 Qxd6 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.10"]
[White "Moran, Daniel Stiven"]
[Black "Dominguez, Oscar"]
[Result "1/2-1/2"]
[WhiteElo "2117"]
[BlackElo "1921"]
[ECO "E35"]
[EventDate "2010.05.20"]
[PlyCount "85"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Bb4 5.cxd5 exd5 6.Qc2 Nbd7 7.e3 c5 8.Bd3 
Qa5 9.Nf3 O-O 10.O-O c4 11.Bf5 Re8 12.Bh4 Bxc3 13.bxc3 Ne4 14.Ng5 Ndf6 15.
Bxc8 Raxc8 16.Rac1 Nxg5 17.Bxg5 Ne4 18.Bf4 Rc6 19.f3 Nf6 20.g4 Ra6 21.Rf2 
Qa4 22.Qd2 Qc6 23.Kg2 b5 24.Rb1 Rb6 25.Qc1 a5 26.Rfb2 Re7 27.Qe1 Reb7 28.
a3 Qe6 29.Bg5 Nd7 30.e4 f6 31.Bd2 Qd6 32.a4 bxa4 33.Rxb6 Rxb6 34.exd5 Rxb1
35.Qxb1 Qxd5 36.Bc1 Qe6 37.Kf2 Nb6 38.Qb5 h6 39.Qxa5 Qd6 40.Kg2 Qe6 41.Kf2
Qd6 42.Kg2 Qe6 43.Kf2 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.11"]
[White "Mayorquin, Nicolas"]
[Black "Rojas Alarcon, Julian Antonio"]
[Result "0-1"]
[WhiteElo "1848"]
[BlackElo "2323"]
[ECO "B76"]
[EventDate "2010.05.20"]
[PlyCount "94"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 
Nc6 9.O-O-O d5 10.exd5 Nxd5 11.Nxc6 bxc6 12.Bd4 Nxc3 13.Qxc3 Bh6+ 14.Be3 
Bxe3+ 15.Qxe3 Qb6 16.Qxb6 axb6 17.a3 Be6 18.Bd3 b5 19.c3 Rfb8 20.Be4 Ra6 
21.Rd2 f5 22.Bc2 c5 23.Rhd1 Rbb6 24.g3 Kg7 25.f4 h6 26.h4 Kf6 27.Rd8 b4 
28.cxb4 cxb4 29.R1d3 b3 30.Bb1 g5 31.hxg5+ hxg5 32.R8d4 Ra8 33.Rd8 Ra7 34.
fxg5+ Kxg5 35.Rc3 Bf7 36.Rc5 Rf6 37.Rd4 Ra8 38.g4 e6 39.gxf5 exf5 40.Rd1 
Ra4 41.Rg1+ Rg4 42.Rxg4+ Kxg4 43.Kd2 f4 44.Ke2 f3+ 45.Kf2 Rd6 46.Rc1 Rd2+ 
47.Ke3 Re2+ 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.12"]
[White "Valencia, David Fernando"]
[Black "Chavarro, Jeffry"]
[Result "1/2-1/2"]
[WhiteElo "1826"]
[BlackElo "2035"]
[ECO "A36"]
[EventDate "2010.05.20"]
[PlyCount "129"]

1.e4 c5 2.c4 e6 3.Nc3 Nc6 4.Nge2 g6 5.g3 Bg7 6.Bg2 Nge7 7.O-O O-O 8.d3 Rb8
9.a4 d6 10.f4 f5 11.Be3 Nd4 12.h3 Bd7 13.Nb5 Nxb5 14.axb5 Qb6 15.Nc3 a6 
16.Na4 Qd8 17.Qb3 axb5 18.cxb5 Ra8 19.e5 c4 20.dxc4 dxe5 21.Bxb7 Rb8 22.
Bb6 Qe8 23.Bg2 e4 24.Rfd1 Rf7 25.Nc5 Bxb5 26.Nxe6 Rxb6 27.Nc7 Qc8 28.Ra8 
Rb8 29.Rxb8 Qxb8 30.Nxb5 Nc6 31.Kf1 g5 32.fxg5 Ne5 33.Ke2 Nd3 34.Rxd3 
exd3+ 35.Qxd3 Qe5+ 36.Kd1 Re7 37.Qd5+ Kf8 38.Qxe5 Bxe5 39.c5 Bxb2 40.Nd6 
Ba3 41.Nxf5 Rd7+ 42.Ke2 Bxc5 43.Be4 Kf7 44.Kf3 Ke6 45.Nh6 Ke5 46.Ng4+ Kd4 
47.Nf6 Rf7 48.Bxh7 Be7 49.Kf4 Bxf6 50.gxf6 Rxh7 51.h4 Kd5 52.Kf5 Kd6 53.
Kg6 Rh8 54.Kg7 Rc8 55.g4 Ke6 56.g5 Rc7+ 57.Kg6 Rc8 58.Kg7 Rc7+ 59.Kg6 Rc8 
60.h5 Rg8+ 61.Kh6 Rh8+ 62.Kg7 Rxh5 63.g6 Rf5 64.f7 Ke7 65.Kh8 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.13"]
[White "Ceron, Edgar Ivan"]
[Black "Valdez, Alvaro"]
[Result "1-0"]
[WhiteElo "2010"]
[ECO "E16"]
[EventDate "2010.05.20"]
[PlyCount "107"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4+ 6.Bd2 Be7 7.O-O O-O 8.Nc3 d5
9.Ne5 Nbd7 10.Bg5 Ne4 11.Bxe7 Qxe7 12.Qc2 Nxc3 13.Qxc3 Nxe5 14.dxe5 c5 15.
e3 Rad8 16.Rad1 Rd7 17.cxd5 exd5 18.Bh3 Rc7 19.f4 Rd8 20.Rd2 b5 21.Qa5 a6 
22.Rfd1 g6 23.Kf2 g5 24.Bf5 gxf4 25.gxf4 Qh4+ 26.Kg1 Rc6 27.Rg2+ Kh8 28.
Rg4 Rg8 29.Rxg8+ Kxg8 30.Qe1 Qh5 31.Bc2 Rh6 32.Rd2 Kh8 33.Qg3 Qh4 34.Rg2 
Qxg3 35.Rxg3 Re6 36.Rh3 h6 37.Bf5 Rb6 38.e6 fxe6 39.Rxh6+ Kg7 40.Rxe6 Rxe6
41.Bxe6 Kf6 42.Bg4 b4 43.Kf2 a5 44.Ke2 a4 45.Kd2 Bc6 46.Bf3 c4 47.a3 bxa3 
48.bxa3 Kf5 49.h4 Kf6 50.Bg4 Be8 51.Kc3 Ke7 52.Kd4 Kd6 53.Bd1 Bd7 54.Kc3 
1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.14"]
[White "Ospina, Juan Pablo"]
[Black "Zuleta, Juan Esteban"]
[Result "1-0"]
[WhiteElo "1934"]
[BlackElo "1916"]
[ECO "B85"]
[EventDate "2010.05.20"]
[PlyCount "61"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.a4 e6 7.f4 Be7 8.Be2 Nc6 
9.Be3 O-O 10.O-O Qc7 11.Qe1 Nxd4 12.Bxd4 e5 13.Be3 exf4 14.Bxf4 Qb6+ 15.
Kh1 Qxb2 16.Bd3 Qb6 17.Qg3 Nh5 18.Qf3 Nxf4 19.Qxf4 Be6 20.Nd5 Qd8 21.Rab1 
Bxd5 22.exd5 Rb8 23.Rfe1 Bf6 24.Qe4 g6 25.Rb3 Qc7 26.Qf4 Bc3 27.Reb1 Rfe8 
28.Qc4 Qxc4 29.Bxc4 Re4 30.Rxc3 b5 31.Bd3 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.22"]
[Round "4.16"]
[White "Parra, Brayan"]
[Black "Guzman, Oswaldo"]
[Result "0-1"]
[WhiteElo "1807"]
[ECO "C54"]
[EventDate "2010.05.20"]
[PlyCount "96"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 a6 6.Be3 Bxe3 7.fxe3 d5 8.exd5 
Nxd5 9.Qe2 O-O 10.O-O Qd6 11.Nbd2 b5 12.Ne4 Qd8 13.Bxd5 Qxd5 14.Nfg5 f6 
15.Qh5 Bf5 16.Rxf5 fxg5 17.Rxf8+ Rxf8 18.Qe2 Rd8 19.Rd1 h6 20.a3 Na5 21.
Nf2 Nb3 22.d4 e4 23.Qg4 Re8 24.Qe2 Na5 25.Ng4 Nc4 26.Rf1 h5 27.Nf2 g4 28.
Nd1 Re6 29.Rf4 g6 30.Qf2 Nd6 31.Rf8+ Kg7 32.Rf4 Nf5 33.Qc2 g5 34.Rf2 Kg6 
35.b3 Rc6 36.Re2 g3 37.hxg3 Nxg3 38.Rf2 Qe6 39.Nb2 Qg4 40.Rf8 Qh4 41.c4 
Qh1+ 42.Kf2 h4 43.Qd1 Qxd1 44.Nxd1 bxc4 45.bxc4 Rxc4 46.Rc8 Rc2+ 47.Kg1 
Rc1 48.Rg8+ Kh5 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.1"]
[White "Rios, Cristhian Camilo"]
[Black "Macias Murillo, Bryan"]
[Result "1-0"]
[WhiteElo "2267"]
[BlackElo "2347"]
[ECO "A57"]
[EventDate "2010.05.20"]
[PlyCount "97"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.f3 d6 6.e4 g6 7.Nc3 Bg7 8.a4 O-O 9.
Bc4 axb5 10.Bxb5 Ne8 11.Nge2 Nc7 12.Bc4 Nd7 13.Ng3 Ne5 14.Be2 c4 15.O-O 
Ba6 16.f4 Nd3 17.Bxd3 cxd3 18.Bd2 Qb8 19.Rb1 Rc8 20.f5 Ne8 21.fxg6 fxg6 
22.Qf3 Nf6 23.b4 Bc4 24.Qf4 Kh8 25.Kh1 Ra7 26.Qh4 Ng8 27.b5 e6 28.Rf3 Qb7 
29.Qh3 exd5 30.exd5 Re8 31.Nge4 Be5 32.Ng5 Bxd5 33.Rf7 Qxf7 34.Nxf7+ Bxf7 
35.b6 Rb7 36.Qxd3 Be6 37.Qf3 Rf7 38.Qe2 Bf5 39.Re1 Nf6 40.Qb5 Bd7 41.Qc4 
Be6 42.Qb5 Bd7 43.Qb4 Bc6 44.Qc4 Ref8 45.Bh6 Nd5 46.Bxf8 Bxc3 47.Rf1 Rxf1+
48.Qxf1 Nxb6 49.Bh6 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.2"]
[White "Narvaez, Zamir"]
[Black "Barros, Raul Junior"]
[Result "1-0"]
[WhiteElo "2176"]
[BlackElo "2072"]
[ECO "B80"]
[EventDate "2010.05.20"]
[PlyCount "75"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3 a6 7.f3 b5 8.Qd2 Nbd7
9.O-O-O Bb7 10.g4 b4 11.Na4 Qa5 12.b3 Nc5 13.a3 Nxa4 14.axb4 Qc7 15.bxa4 
d5 16.e5 Nd7 17.f4 Nb6 18.a5 Na4 19.c4 dxc4 20.Bg2 c3 21.Qa2 Nb2 22.Nxe6 
fxe6 23.Qxe6+ Be7 24.Bb6 Bc8 25.Bc6+ Kf8 26.Qd5 Qb8 27.Bxa8 Nxd1 28.Rxd1 
Bxg4 29.Rd4 Qe8 30.Bc5 Bxc5 31.Qxc5+ Kf7 32.Bd5+ Kg6 33.Be4+ Kh6 34.e6 Qh5
35.Rd7 Rg8 36.Rd6 Qh4 37.e7+ g6 38.Qg5+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.3"]
[White "Fernandez, Fernando"]
[Black "Arenas, David"]
[Result "1-0"]
[WhiteElo "2388"]
[BlackElo "2313"]
[ECO "E92"]
[EventDate "2010.05.20"]
[PlyCount "85"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.Be3 Ng4 8.Bg5 f6 
9.Bh4 c6 10.d5 h5 11.Nd2 Na6 12.a3 Nh6 13.f3 Nc7 14.b4 g5 15.Bf2 f5 16.c5 
dxc5 17.Bxc5 Re8 18.dxc6 bxc6 19.Nc4 Ne6 20.Nd6 Nd4 21.Nxe8 Qxe8 22.Bc4+ 
Kh8 23.O-O f4 24.Ne2 Qd8 25.Nxd4 exd4 26.Qd2 g4 27.Qxf4 gxf3 28.gxf3 Bh3 
29.Rf2 Qd7 30.Rd1 Rd8 31.Kh1 Kh7 32.Rfd2 Qe8 33.Qg3 Be6 34.Bxe6 Qxe6 35.
Bxd4 Rg8 36.Bxg7 Rxg7 37.Qh4 Qg6 38.Qg3 Qe6 39.Rd6 Qa2 40.Rd7 Nf7 41.Qh3 
Kh6 42.Rg1 Ne5 43.Rd6+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.4"]
[White "Duran Vega, Sergio"]
[Black "Carlo, Daniel"]
[Result "1-0"]
[WhiteElo "2082"]
[BlackElo "2068"]
[ECO "B42"]
[EventDate "2010.05.20"]
[PlyCount "73"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O Qc7 7.Qe2 d6 8.c4 
Nbd7 9.Nc3 Be7 10.f4 b6 11.Be3 Bb7 12.b4 O-O 13.Rac1 Rfe8 14.h3 Bf8 15.Nf3
Rac8 16.Qf2 Ba8 17.a3 Rb8 18.Qh4 Be7 19.Qf2 Bf8 20.Kh1 g6 21.Bd4 Bg7 22.
Qh4 Qd8 23.Rcd1 Nh5 24.Qf2 Nxf4 25.Bxg7 Kxg7 26.Bc2 Qe7 27.Qd4+ e5 28.Qxd6
Qxd6 29.Rxd6 Rbd8 30.Rfd1 Re7 31.Ba4 b5 32.cxb5 Rc8 33.Rxd7 Rxd7 34.Rxd7 
Rxc3 35.Nxe5 Bxe4 36.Rxf7+ Kg8 37.Rxf4 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.5"]
[White "Giron, David"]
[Black "Blit, Jacques"]
[Result "0-1"]
[WhiteElo "1997"]
[BlackElo "2398"]
[ECO "B33"]
[EventDate "2010.05.20"]
[PlyCount "54"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
b5 9.Nd5 Be7 10.Bxf6 Bxf6 11.c3 O-O 12.Nc2 Bg5 13.a4 bxa4 14.Rxa4 a5 15.
Bc4 Rb8 16.b3 Kh8 17.O-O g6 18.f4 exf4 19.Nxf4 Ne5 20.Bd5 Bd7 21.Ra2 Qc7 
22.Qa1 f5 23.Ne6 Bxe6 24.Bxe6 fxe4 25.Rxf8+ Rxf8 26.Rxa5 Qb6+ 27.Kh1 Qxa5 
0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.6"]
[White "Bassan, Remo"]
[Black "Saltos Velez, Adrian"]
[Result "1-0"]
[WhiteElo "2164"]
[BlackElo "2154"]
[ECO "B23"]
[EventDate "2010.05.20"]
[PlyCount "57"]

1.e4 c5 2.Nc3 e6 3.g3 d5 4.d3 Nf6 5.Bg2 Nc6 6.Nh3 d4 7.Ne2 Qa5+ 8.Bd2 Qb6 
9.Rb1 e5 10.O-O h5 11.f4 h4 12.fxe5 Nxe5 13.Qe1 c4 14.gxh4 cxd3 15.cxd3 
Nxd3 16.Qg3 Nc5 17.Nef4 Be6 18.Nxe6 Nxe6 19.e5 Nd7 20.Ng5 Nxg5 21.Bxg5 Be7
22.Bxe7 Kxe7 23.Qg5+ Kf8 24.Qf5 d3+ 25.Kh1 Nxe5 26.Qxe5 Rxh4 27.Rxf7+ Kxf7
28.Bd5+ Kg6 29.Qg3+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.7"]
[White "Rojas Alarcon, Julian Antonio"]
[Black "Ceron, Edgar Ivan"]
[Result "0-1"]
[WhiteElo "2323"]
[BlackElo "2010"]
[ECO "C18"]
[EventDate "2010.05.20"]
[PlyCount "100"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 O-O 8.Bd3 
Nbc6 9.Nf3 f5 10.exf6 Rxf6 11.Bg5 Rf7 12.Bd2 g6 13.Qh4 c4 14.Be2 Qa5 15.
Ng5 Nf5 16.Qh3 Re7 17.g4 Nd6 18.f4 Bd7 19.Kd1 Rf8 20.Rg1 Nb5 21.Qe3 Nd6 
22.h4 Rf6 23.h5 Kf8 24.Rh1 h6 25.Nf3 Ke8 26.Ne5 gxh5 27.Rxh5 Kd8 28.Bxc4 
Be8 29.Nxc6+ bxc6 30.Qe5 Bxh5 31.gxh5 Ne8 32.Bd3 Qb6 33.Ke2 Rf5 34.Qe3 
Rxh5 35.Qf2 Rg7 36.Rg1 Rxg1 37.Qxg1 Qb7 38.c4 Qg7 39.Ba5+ Kd7 40.Qf2 Qg4+ 
41.Kd2 Nd6 42.cxd5 cxd5 43.Kc1 Rh1+ 44.Kb2 Qg1 45.Qf3 Qa1+ 46.Kb3 Rb1+ 47.
Ka4 Qxd4+ 48.Bb4 Nb7 49.Bb5+ Kc7 50.c4 Qd1+ 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.8"]
[White "Torres, Juan Camilo"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[WhiteElo "2172"]
[BlackElo "2022"]
[ECO "D45"]
[EventDate "2010.05.20"]
[PlyCount "91"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 5.e3 Nbd7 6.Qc2 Bd6 7.g4 dxc4 8.Bxc4 e5
9.g5 Nd5 10.Ne4 Bc7 11.Bd2 exd4 12.Nxd4 N7b6 13.Be2 Qe7 14.a3 Bh3 15.Bd3 
Rd8 16.O-O-O Nd7 17.f4 Bb6 18.Rde1 Nc5 19.Nxc5 Qxc5 20.Bc4 O-O 21.Rhg1 
Rfe8 22.Rg3 Bc8 23.f5 Bc7 24.Nb3 Bxg3 25.Nxc5 Bxe1 26.g6 Bxd2+ 27.Qxd2 
hxg6 28.fxg6 Be6 29.Nxb7 Rd7 30.Nc5 Rde7 31.e4 Nc7 32.Nxe6 Nxe6 33.gxf7+ 
Kxf7 34.Qf4+ Kg6 35.Qf5+ Kh6 36.h4 Rf8 37.Qe5 Rf6 38.Qd6 Re8 39.Qd7 Rd8 
40.Qe7 Rd4 41.b3 Rxe4 42.Qe8 Rf2 43.Qh8+ Kg6 44.Bd3 Kf5 45.Qh7+ g6 46.Qf7+
1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.9"]
[White "Herrera, Juan Sebastian"]
[Black "Dominguez, Oscar"]
[Result "1-0"]
[WhiteElo "2122"]
[BlackElo "1921"]
[ECO "B26"]
[EventDate "2010.05.20"]
[PlyCount "87"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 Nd4 7.Qd2 Nf6 8.h3 Qb6 
9.Nd1 O-O 10.c3 Nc6 11.Ne2 Ne5 12.f4 Nc6 13.O-O Qc7 14.g4 d5 15.exd5 Nd8 
16.Ng3 Qd6 17.Ne4 Nxe4 18.dxe4 e6 19.e5 Qd7 20.Bxc5 Re8 21.Ne3 b6 22.Bd6 
Nb7 23.dxe6 fxe6 24.Rfd1 Rd8 25.Qe2 Qf7 26.Rd4 a5 27.Rad1 Ra7 28.Bb8 Rxd4 
29.Rxd4 Ra8 30.Bxb7 Bxb7 31.Rd8+ Bf8 32.Qc4 Qe7 33.Qc7 Qc5 34.Qxc5 bxc5 
35.Nc4 Kf7 36.Rd7+ Be7 37.Rxb7 Ke8 38.Bd6 Bxd6 39.exd6 h5 40.Ne5 hxg4 41.
Re7+ Kf8 42.Nxg6+ Kg8 43.d7 Rd8 44.Re8+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.10"]
[White "Moran, Daniel Stiven"]
[Black "Villatoro Duque, Juan Luis"]
[Result "1/2-1/2"]
[WhiteElo "2117"]
[ECO "E11"]
[EventDate "2010.05.20"]
[PlyCount "99"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 a5 5.g3 O-O 6.Qc2 c5 7.dxc5 Na6 8.Nc3 
Bxc5 9.Bg2 d5 10.cxd5 exd5 11.a3 h6 12.O-O Be6 13.Nb5 Qb6 14.Qd3 Ne4 15.
Nbd4 Bg4 16.Be3 Rfe8 17.h3 Bh5 18.Nf5 Bxe3 19.Nxe3 Rad8 20.g4 Bg6 21.Qd4 
Qxd4 22.Nxd4 Nac5 23.Rac1 Ne6 24.Rfd1 Nf4 25.Rc7 Nxg2 26.Nxg2 Rb8 27.f4 f6
28.f5 Bf7 29.Nf4 h5 30.Nde6 hxg4 31.hxg4 Ng5 32.Rxd5 Bxe6 33.Nxe6 Nxe6 34.
fxe6 Rxe6 35.Rdd7 Rxe2 36.Rxg7+ Kh8 37.Rxb7 Rxb2 38.Rh7+ Kg8 39.Rbg7+ Kf8 
40.Rf7+ Kg8 41.Rfg7+ Kf8 42.Ra7 Kg8 43.Rhg7+ Kh8 44.Rh7+ Kg8 45.Rhg7+ Kh8 
46.Rgf7 Ra2 47.Rxf6 Rb1+ 48.Rf1 Rxf1+ 49.Kxf1 Rxa3 50.Kg2 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.12"]
[White "Escobar Medina, Andres F"]
[Black "Sanchez Maya, Simon"]
[Result "0-1"]
[WhiteElo "2113"]
[BlackElo "2189"]
[ECO "B51"]
[EventDate "2010.05.20"]
[PlyCount "56"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.Bxc6+ bxc6 5.O-O Bg4 6.c3 Nf6 7.Re1 e6 8.d4 
Bxf3 9.Qxf3 d5 10.Bg5 cxd4 11.cxd4 Be7 12.Bxf6 Bxf6 13.e5 Be7 14.Rc1 Qb6 
15.Qc3 O-O 16.a3 Rac8 17.Nd2 c5 18.Nb3 c4 19.Nd2 Rb8 20.Rc2 Rb7 21.f4 a5 
22.Rf1 f5 23.Rf2 a4 24.Nf1 Qb3 25.Qa5 Bd8 26.Qa6 Rb6 27.Qa7 Qb5 28.Nd2 Rf7
0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.15"]
[White "Norena, Wilder"]
[Black "Parra, Brayan"]
[Result "0-1"]
[BlackElo "1807"]
[ECO "B22"]
[EventDate "2010.05.20"]
[PlyCount "39"]

1.e4 c5 2.Nf3 Nc6 3.c3 g6 4.d4 cxd4 5.cxd4 d5 6.exd5 Qxd5 7.Nc3 Qd8 8.Bf4 
Nf6 9.d5 Nb8 10.Qd4 Nbd7 11.Nb5 Bg7 12.Nc7+ Kf8 13.Nxa8 Nh5 14.Qd2 Nxf4 
15.Qxf4 Bxb2 16.Rd1 Qa5+ 17.Nd2 Qxd5 18.Nc7 Qc6 19.Nb5 Qe6+ 20.Qe3 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "5.16"]
[White "Valdez, Alvaro"]
[Black "Duque, Juan Camilo"]
[Result "0-1"]
[BlackElo "1974"]
[ECO "A46"]
[EventDate "2010.05.20"]
[PlyCount "78"]

1.d4 d6 2.Nf3 Nf6 3.Bg5 Nbd7 4.e3 g6 5.Nbd2 Bg7 6.Be2 O-O 7.O-O c5 8.c3 b6
9.Qc2 Bb7 10.Rad1 Qc7 11.Rfe1 Rac8 12.Qb1 Rfe8 13.h3 a6 14.a4 Qc6 15.Qc2 
cxd4 16.exd4 h6 17.Bh4 g5 18.Bg3 Nh5 19.Nf1 Ndf6 20.Bh2 Nd5 21.Ne3 Ndf4 
22.d5 Qc5 23.Bd3 Bxd5 24.Bxa6 Bxf3 25.Bxc8 Bxd1 26.Rxd1 Qxc8 27.Nf5 Bf8 
28.Re1 e6 29.Nd4 Bg7 30.Nb5 Be5 31.f3 Qc4 32.Re4 Qc5+ 33.Kh1 f5 34.Re1 Ng6
35.g4 Ng3+ 36.Bxg3 Bxg3 37.Rd1 Qe3 38.Kg2 Bf4 39.Rd3 Qe1 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.1"]
[White "Narvaez, Zamir"]
[Black "Rios, Cristhian Camilo"]
[Result "1/2-1/2"]
[WhiteElo "2176"]
[BlackElo "2267"]
[ECO "B83"]
[EventDate "2010.05.20"]
[PlyCount "28"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Be7 7.O-O O-O 8.Be3 
Nc6 9.f4 e5 10.Nxc6 bxc6 11.fxe5 dxe5 12.Qxd8 Rxd8 13.Rfd1 Rxd1+ 14.Rxd1 
Be6 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.2"]
[White "Duran Vega, Sergio"]
[Black "Fernandez, Fernando"]
[Result "0-1"]
[WhiteElo "2082"]
[BlackElo "2388"]
[ECO "C42"]
[EventDate "2010.05.20"]
[PlyCount "58"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3 Nxc3 6.dxc3 Be7 7.Be3 Nc6 8.
Qd2 Be6 9.O-O-O Qd7 10.Kb1 Bf6 11.h3 O-O-O 12.Bb5 a6 13.Ba4 Bc4 14.Bd4 
Bxd4 15.cxd4 Bd5 16.Qc3 Qf5 17.Rhe1 Rhe8 18.Rd3 Qg6 19.Rxe8 Rxe8 20.Re3 
Rxe3 21.Qxe3 b5 22.Bb3 Bxb3 23.axb3 Qxg2 24.c3 Qxh3 25.Ka2 Qf5 26.Ng5 h6 
27.Ne4 Qd5 28.Qf4 a5 29.Nd2 Kb7 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.3"]
[White "Blit, Jacques"]
[Black "Bassan, Remo"]
[Result "1-0"]
[WhiteElo "2398"]
[BlackElo "2164"]
[ECO "A05"]
[EventDate "2010.05.20"]
[PlyCount "95"]

1.Nf3 Nf6 2.g3 c5 3.Bg2 Nc6 4.c4 e5 5.Nc3 g6 6.O-O Bg7 7.e3 d5 8.cxd5 Nxd5
9.Nxe5 Nxe3 10.Nxc6 Nxd1 11.Re1+ Kd7 12.Nxd8 Nxc3 13.dxc3 Kxd8 14.Bf4 Be6 
15.Bxb7 Ke7 16.Bxa8 Rxa8 17.Rad1 Rc8 18.Bd6+ Ke8 19.Be5 Bf8 20.Bf6 Be7 21.
Bxe7 Kxe7 22.c4 a5 23.Rd3 Kf6 24.Rf3+ Kg7 25.Ra3 Bxc4 26.Rxa5 Be6 27.b3 c4
28.bxc4 Rxc4 29.Ra1 Kf6 30.a4 Ke7 31.Ra7+ Kd6 32.a5 h5 33.a6 Bd5 34.Rd1 
Ke6 35.Rxd5 Kxd5 36.Rxf7 Ke6 37.Rf8 Ra4 38.Ra8 Kf7 39.a7 Kg7 40.f4 Ra2 41.
h3 Kh7 42.g4 hxg4 43.hxg4 Kg7 44.f5 gxf5 45.gxf5 Kh7 46.f6 Ra6 47.Re8 Rxa7
48.Re7+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.4"]
[White "Macias Murillo, Bryan"]
[Black "Barros, Raul Junior"]
[Result "1-0"]
[WhiteElo "2347"]
[BlackElo "2072"]
[ECO "A30"]
[EventDate "2010.05.20"]
[PlyCount "67"]

1.Nf3 Nf6 2.c4 c5 3.b3 e6 4.Bb2 Be7 5.e3 O-O 6.Be2 Nc6 7.O-O b6 8.d4 d5 9.
cxd5 Nxd5 10.dxc5 Bxc5 11.Nbd2 Bb7 12.Rc1 Rc8 13.Nc4 Qe7 14.Bd3 b5 15.Ncd2
a6 16.Qc2 Ncb4 17.Bxh7+ Kh8 18.Qb1 Nf6 19.Bxf6 Qxf6 20.Be4 Nd5 21.Bxd5 
exd5 22.b4 Bd6 23.Nd4 Rxc1 24.Rxc1 Re8 25.N2f3 g6 26.a3 Kg7 27.h3 Rc8 28.
Rxc8 Bxc8 29.Qb3 Be6 30.Qc3 Bd7 31.Qb3 Be6 32.Ne1 Qg5 33.Qc3 Qf6 34.Qc6 
1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.5"]
[White "Arenas, David"]
[Black "Carlo, Daniel"]
[Result "1-0"]
[WhiteElo "2313"]
[BlackElo "2068"]
[ECO "B01"]
[EventDate "2010.05.20"]
[PlyCount "81"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 Nf6 5.Nf3 c6 6.Ne5 Nbd7 7.Bf4 Nd5 8.
Nxd5 Qxd5 9.Qd3 Nxe5 10.Bxe5 f6 11.Bg3 Bf5 12.c4 Bxd3 13.cxd5 Bxf1 14.Rxf1
cxd5 15.Rc1 Rd8 16.Ke2 h5 17.h4 e6 18.Rc7 Bd6 19.Bxd6 Rxd6 20.Rfc1 Rd7 21.
Rc8+ Rd8 22.R1c7 O-O 23.Rxd8 Rxd8 24.Rxb7 e5 25.Rxa7 Rc8 26.b4 Rc4 27.b5 
Rxd4 28.b6 Rb4 29.b7 Kh7 30.a4 d4 31.a5 e4 32.a6 Rb2+ 33.Kd1 d3 34.Ra8 
Rb1+ 35.Kd2 Rb2+ 36.Kc1 Rc2+ 37.Kd1 Rxf2 38.b8=Q Rxg2 39.Qe8 Rg1+ 40.Kd2 
Rg2+ 41.Ke3 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.6"]
[White "Ceron, Edgar Ivan"]
[Black "Torres, Juan Camilo"]
[Result "1-0"]
[WhiteElo "2010"]
[BlackElo "2172"]
[ECO "D11"]
[EventDate "2010.05.20"]
[PlyCount "119"]

1.d4 d5 2.c4 c6 3.g3 Nf6 4.Bg2 Bf5 5.Nf3 h6 6.O-O e6 7.Nbd2 Nbd7 8.b3 Be7 
9.Bb2 O-O 10.Ne5 Qa5 11.Nxd7 Nxd7 12.e4 dxe4 13.Nxe4 Nf6 14.Qe2 Nxe4 15.
Bxe4 Bxe4 16.Qxe4 Bf6 17.Rfd1 Rad8 18.Rd3 Rd7 19.Rf3 Rfd8 20.Bc3 Qa6 21.
Rxf6 gxf6 22.Qg4+ Kh7 23.Qh4 Rg8 24.Qxf6 Qb6 25.h4 Rg6 26.Qf3 Qd8 27.h5 
Rg5 28.Re1 Kg8 29.d5 Rf5 30.Qg4+ Qg5 31.Qd4 e5 32.Qxa7 cxd5 33.cxd5 Kh7 
34.Qa4 Rc7 35.Re3 Qxh5 36.Qe4 Qg6 37.d6 Rd7 38.Bxe5 Rh5 39.a4 Qxe4 40.Rxe4
Kg6 41.b4 f6 42.Bf4 Rd5 43.Rc4 Kf5 44.Rc7 Ke6 45.Rc4 h5 46.Kg2 Rd1 47.a5 
Rb1 48.Kf3 Kd5 49.Rc5+ Ke6 50.b5 Rb3+ 51.Kg2 Ra3 52.b6 Rd8 53.Rxh5 f5 54.
Rh6+ Kd7 55.Rh7+ Kc6 56.Rc7+ Kb5 57.Bg5 Rxd6 58.Be7 Rad3 59.Bxd6 Rxd6 60.
Rxb7 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.7"]
[White "Dominguez, Oscar"]
[Black "Herrera, Juan Sebastian"]
[Result "0-1"]
[WhiteElo "1921"]
[BlackElo "2122"]
[ECO "B43"]
[EventDate "2010.05.20"]
[PlyCount "64"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be2 Bb4 7.O-O Nf6 8.Bg5 
Bxc3 9.Bxf6 gxf6 10.bxc3 Qxc3 11.Rb1 Nc6 12.Nxc6 bxc6 13.Rb3 Qe5 14.Qd2 
Rg8 15.Rd1 a5 16.g3 Ke7 17.Rd3 h5 18.Qe3 h4 19.f4 Qc7 20.c4 hxg3 21.hxg3 
Rb8 22.c5 Rb2 23.e5 Rxa2 24.exf6+ Kxf6 25.Rd6 Qa7 26.Rxc6 Ke7 27.Rb6 Qc7 
28.Rdb1 Rxe2 29.Qxe2 Rxg3+ 30.Kh1 Qxf4 31.R6b3 Qh4+ 32.Qh2 Qe4+ 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.9"]
[White "Saltos Velez, Adrian"]
[Black "Guzman, Oswaldo"]
[Result "1-0"]
[WhiteElo "2154"]
[ECO "C54"]
[EventDate "2010.05.20"]
[PlyCount "31"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 a6 6.b4 Ba7 7.O-O O-O 8.Bg5 d6 
9.Nbd2 Ne7 10.Bxf6 gxf6 11.Nh4 f5 12.Qh5 fxe4 13.Nxe4 Kg7 14.Ng5 h6 15.
Nxf7 Qe8 16.Qxh6+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.10"]
[White "Giron, David"]
[Black "Moran, Daniel Stiven"]
[Result "1-0"]
[WhiteElo "1997"]
[BlackElo "2117"]
[ECO "D00"]
[EventDate "2010.05.20"]
[PlyCount "97"]

1.d4 d5 2.f4 Nf6 3.Nf3 e6 4.e3 c5 5.c3 Bd6 6.Bd3 b6 7.Ne5 Qc7 8.Nd2 Nbd7 
9.O-O Bb7 10.Qf3 a6 11.a4 h6 12.Qh3 Nf8 13.g4 Bxe5 14.fxe5 Ne4 15.Bxe4 
dxe4 16.Nc4 f6 17.exf6 gxf6 18.Rxf6 O-O-O 19.Ne5 Qg7 20.Rf7 Qg5 21.Qg3 Nd7
22.Nc4 e5 23.dxe5 Bd5 24.Nd6+ Kb8 25.Rf5 Qg6 26.e6 Bxe6 27.Rg5 Qxg5 28.
Nf7+ Kb7 29.Nxg5 hxg5 30.b4 Rh4 31.h3 Rf8 32.Qg2 Rf3 33.Bd2 Rfxh3 34.Qxe4+
Kc7 35.Qxe6 Rh1+ 36.Kg2 Rxa1 37.e4 Rhh1 38.Bxg5 Rhg1+ 39.Kf2 Raf1+ 40.Ke2 
Re1+ 41.Kd3 Rg3+ 42.Kd2 Rf1 43.Be7 Rg2+ 44.Ke3 Rg3+ 45.Ke2 Rgf3 46.Qd6+ 
Kc8 47.Qc6+ Kb8 48.Bd6+ Ka7 49.Qxd7+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.11"]
[White "Ospina, Juan Pablo"]
[Black "Rojas Alarcon, Julian Antonio"]
[Result "0-1"]
[WhiteElo "1934"]
[BlackElo "2323"]
[ECO "C54"]
[EventDate "2010.05.20"]
[PlyCount "50"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Bd2 Bxd2+ 8.
Nbxd2 d5 9.exd5 Nxd5 10.O-O O-O 11.Qb3 Nb6 12.d5 Na5 13.Qd3 Naxc4 14.Nxc4 
Qxd5 15.Qxd5 Nxd5 16.Rad1 c6 17.Rfe1 f6 18.Ne3 Be6 19.Nd4 Bf7 20.Nef5 Rad8
21.Ne6 Bxe6 22.Rxe6 Rd7 23.h3 Rfd8 24.Rde1 Kf7 25.Ne3 Kxe6 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.12"]
[White "Ruiz C, Joshua D"]
[Black "Mayorquin, Nicolas"]
[Result "1-0"]
[WhiteElo "2094"]
[BlackElo "1848"]
[ECO "B96"]
[EventDate "2010.05.20"]
[PlyCount "59"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nc6 8.Nxc6 
bxc6 9.e5 h6 10.Bh4 g5 11.fxg5 Nd5 12.Nxd5 cxd5 13.Qh5 Qb6 14.Be2 Bg7 15.
Rf1 Ra7 16.Bf2 Qa5+ 17.c3 Rc7 18.Rd1 hxg5 19.Qxg5 Bxe5 20.Bg3 Bxg3+ 21.
Qxg3 Qb6 22.b3 Qc5 23.Rd3 Bb7 24.h3 e5 25.Bh5 Rf8 26.Rdf3 Qa3 27.Qg7 Qc1+ 
28.Kf2 Qd2+ 29.Kg1 d4 30.Bxf7+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.13"]
[White "Guelgua, Alvaro"]
[Black "Zuleta, Juan Esteban"]
[Result "1-0"]
[WhiteElo "2022"]
[BlackElo "1916"]
[ECO "B86"]
[EventDate "2010.05.20"]
[PlyCount "65"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 Be7 8.O-O 
O-O 9.Be3 Nc6 10.f4 Qc7 11.Qf3 Re8 12.h3 Bf8 13.g4 Nd7 14.f5 Nde5 15.Qg3 
Na5 16.Rf2 b5 17.Raf1 Nxb3 18.axb3 b4 19.Nce2 Qb7 20.Qf4 Qe7 21.Ng3 a5 22.
g5 f6 23.Qh4 Nf7 24.gxf6 Qxf6 25.fxe6 Qxh4 26.exf7+ Kh8 27.fxe8=Q Qxg3+ 
28.Rg2 Qxe3+ 29.Rff2 Bb7 30.Qf7 Bxe4 31.Kh2 h6 32.Nf5 Qc1 33.Ne7 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.14"]
[White "Chavarro, Jeffry"]
[Black "Escobar Medina, Andres F"]
[Result "0-1"]
[WhiteElo "2035"]
[BlackElo "2113"]
[ECO "B80"]
[EventDate "2010.05.20"]
[PlyCount "84"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.f3 e6 7.Be3 a6 8.Qd2 Be7
9.O-O-O Nxd4 10.Bxd4 b5 11.g4 O-O 12.h4 Bb7 13.g5 Nd7 14.Kb1 b4 15.Ne2 Ne5
16.Qxb4 Qc7 17.Bb6 Qb8 18.Nd4 Re8 19.g6 hxg6 20.h5 d5 21.Qa5 Qc8 22.hxg6 
Nxg6 23.Bd3 Bf6 24.e5 Bxe5 25.Rdg1 Bxd4 26.Bxd4 e5 27.Bc5 Qc6 28.Bf5 Bc8 
29.Rh5 Bxf5 30.Rxf5 Rab8 31.Be3 Rec8 32.Qd2 d4 33.Bg5 Qe6 34.Qd3 Rc3 35.
Qe4 Qb6 36.Bc1 d3 37.Rg2 Rbc8 38.Qd5 Nh8 39.Rxg7+ Kxg7 40.Qxe5+ Kg8 41.Rh5
Ng6 42.Qg3 Rxc2 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.15"]
[White "Duque, Juan Camilo"]
[Black "Norena, Wilder"]
[Result "1-0"]
[WhiteElo "1974"]
[ECO "C55"]
[EventDate "2010.05.20"]
[PlyCount "83"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5 d5 6.Bb5 Ne4 7.Nxd4 Bd7 8.Bxc6 
Bxc6 9.O-O Be7 10.Qg4 O-O 11.Bh6 Bg5 12.Bxg5 Qxg5 13.Qxg5 Nxg5 14.Nc3 Rfe8
15.Rad1 Rad8 16.f4 Ne6 17.b4 a6 18.a4 Nxd4 19.Rxd4 b6 20.Rfd1 Re7 21.Nxd5 
Rxd5 22.Rxd5 Bxd5 23.Rxd5 Kf8 24.Rd8+ Re8 25.Rxe8+ Kxe8 26.Kf2 Ke7 27.Ke3 
Ke6 28.Ke4 g6 29.g4 f5+ 30.exf6 Kxf6 31.h4 c6 32.c3 h6 33.a5 b5 34.f5 
gxf5+ 35.gxf5 h5 36.Kf4 Kf7 37.Kg5 Kg7 38.f6+ Kf7 39.Kf5 Kf8 40.Kg6 Kg8 
41.f7+ Kf8 42.Kf6 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.23"]
[Round "6.16"]
[White "Valdez, Alvaro"]
[Black "Parra, Brayan"]
[Result "1-0"]
[BlackElo "1807"]
[ECO "D02"]
[EventDate "2010.05.20"]
[PlyCount "64"]

1.d4 d5 2.Nf3 e6 3.Bf4 Nf6 4.e3 Be7 5.a3 Nbd7 6.Bd3 O-O 7.O-O b6 8.Re1 Bb7
9.Nbd2 c5 10.c3 Rc8 11.Rc1 Nh5 12.Bg3 Nhf6 13.Bb1 cxd4 14.exd4 Re8 15.Qc2 
Nf8 16.Ne5 Bd6 17.Ndf3 Ne4 18.Qd1 Nxg3 19.hxg3 f6 20.Nd3 Ba6 21.Qd2 Qd7 
22.Re3 Re7 23.Rce1 Rce8 24.Bc2 Qc7 25.Nb4 Bb7 26.R3e2 b5 27.Nd3 Kh8 28.b4 
a5 29.Ra1 axb4 30.axb4 e5 31.Nc1 e4 32.Nh2 f5 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.1"]
[White "Fernandez, Fernando"]
[Black "Rios, Cristhian Camilo"]
[Result "0-1"]
[WhiteElo "2388"]
[BlackElo "2267"]
[ECO "E17"]
[EventDate "2010.05.20"]
[PlyCount "154"]

1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.d4 O-O 7.Re1 c5 8.d5 d6 9.
Nh4 Qd7 10.e4 Ne8 11.Nc3 Bxh4 12.gxh4 e5 13.f4 Qe7 14.Qg4 exf4 15.Bxf4 Nd7
16.Qg3 Ne5 17.b3 g6 18.Nb5 f6 19.h5 a6 20.Nc3 Ng7 21.hxg6 Nh5 22.gxh7+ Kh8
23.Bxe5 Nxg3 24.Bxg3 Rad8 25.Rf1 f5 26.Rae1 Qg7 27.e5 Rde8 28.exd6 Qxc3 
29.d7 Rxe1 30.Rxe1 Qd4+ 31.Kh1 Kxh7 32.Re8 Qa1+ 33.Be1 Qf6 34.Bh3 Rg8 35.
d8=Q Qxd8 36.Rxd8 Rxd8 37.Bxf5+ Kg7 38.Bc3+ Kf7 39.Kg2 Bc8 40.Be4 Rg8+ 41.
Kf3 Ke7 42.Kf4 Rg4+ 43.Ke3 Rh4 44.Be5 Rh5 45.Bg3 Bf5 46.Bf3 Rh8 47.Kf4 Rf8
48.Ke5 Bh3 49.Be4 Kd7 50.a3 a5 51.Bh4 Rf1 52.d6 Rd1 53.Bb7 Rd2 54.Ba6 Re2+
55.Kf6 Kxd6 56.Bg3+ Kc6 57.Bb5+ Kb7 58.Be5 Ka7 59.Ba4 Ra2 60.Bg3 Re2 61.
Be5 Kb7 62.Bg3 Ra2 63.Ke7 Rxa3 64.Kd6 Ra2 65.Bc6+ Ka7 66.Ba4 Rd2+ 67.Kc7 
Rd3 68.Be5 Re3 69.Bd6 Bf5 70.Bf4 Re4 71.Bd6 Re2 72.h4 Re4 73.h5 Rh4 74.Be8
Bg4 75.Be7 Rh3 76.Kc6 Bf3+ 77.Kb5 Bxh5 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.2"]
[White "Blit, Jacques"]
[Black "Narvaez, Zamir"]
[Result "1/2-1/2"]
[WhiteElo "2398"]
[BlackElo "2176"]
[ECO "D02"]
[EventDate "2010.05.20"]
[PlyCount "112"]

1.d4 d5 2.Nf3 c6 3.Bf4 Nf6 4.e3 Bg4 5.Nbd2 Nbd7 6.Bd3 e6 7.O-O Be7 8.c4 
O-O 9.cxd5 exd5 10.Qc2 Re8 11.Ne5 Bh5 12.Ndf3 Bxf3 13.gxf3 Nf8 14.Bg3 Bd6 
15.b4 a5 16.bxa5 Rxa5 17.Rfb1 Ra7 18.f4 Nh5 19.a4 g6 20.a5 f6 21.Nf3 Qc8 
22.Kg2 Qd7 23.a6 Rea8 24.axb7 Rxa1 25.bxa8=B Rxa8 26.Rc1 Rc8 27.f5 Nxg3 
28.hxg3 Kg7 29.fxg6 hxg6 30.Nh4 f5 31.Rh1 Be7 32.Nxg6 Kxg6 33.Bxf5+ Qxf5 
34.Rh6+ Kxh6 35.Qxf5 Rd8 36.f4 Ng6 37.Qh3+ Kg7 38.f5 Nf8 39.Qg4+ Kh7 40.
Qh5+ Kg7 41.g4 Rd6 42.Qe8 Bg5 43.Kf2 Rf6 44.Ke2 Rh6 45.Kd1 Rh1+ 46.Kc2 
Rh2+ 47.Kd3 Rh6 48.Qe5+ Kg8 49.Kc2 Rf6 50.Kc3 Kf7 51.Qc7+ Kg8 52.Kd3 Nh7 
53.Qc8+ Nf8 54.Qe8 Kg7 55.Kc3 Rh6 56.Kb4 Kg8 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.3"]
[White "Arenas, David"]
[Black "Macias Murillo, Bryan"]
[Result "1-0"]
[WhiteElo "2313"]
[BlackElo "2347"]
[ECO "B85"]
[EventDate "2010.05.20"]
[PlyCount "35"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be2 Nf6 7.O-O d6 8.f4 Be7
9.Be3 O-O 10.Qe1 Re8 11.Qg3 Bf8 12.e5 Nfd7 13.Ne4 d5 14.Ng5 h6 15.Nxf7 Nc5
16.Bh5 Re7 17.Nxh6+ Kh8 18.Ng4 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.5"]
[White "Ceron, Edgar Ivan"]
[Black "Sanchez Maya, Simon"]
[Result "0-1"]
[WhiteElo "2010"]
[BlackElo "2189"]
[ECO "D08"]
[EventDate "2010.05.20"]
[PlyCount "62"]

1.d4 d5 2.Nf3 Nc6 3.c4 e5 4.dxe5 d4 5.a3 Bg4 6.Qb3 Qd7 7.Nbd2 O-O-O 8.e4 
d3 9.Qc3 f6 10.b4 Nxe5 11.Nxe5 fxe5 12.Bb2 Be7 13.h4 g5 14.f3 Be6 15.O-O-O
gxh4 16.f4 Nf6 17.f5 Bf7 18.Rh3 Qc6 19.Qxe5 Bxc4 20.Qxe7 Rd6 21.Qe5 Qa4 
22.Qc3 Ba2 23.Rxd3 Rc6 24.Nc4 Bxc4 25.Rd8+ Rxd8 26.Rxd8+ Kxd8 27.Bxc4 b5 
28.Qxf6+ Rxf6 29.Bxf6+ Ke8 30.Bd5 Qxa3+ 31.Kc2 Qg3 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.6"]
[White "Bassan, Remo"]
[Black "Giron, David"]
[Result "1-0"]
[WhiteElo "2164"]
[BlackElo "1997"]
[ECO "B24"]
[EventDate "2010.05.20"]
[PlyCount "94"]

1.e4 c5 2.Nc3 e6 3.g3 Nc6 4.Bg2 Nf6 5.d3 d5 6.Nh3 dxe4 7.Nxe4 Nxe4 8.Bxe4 
e5 9.Ng5 Be7 10.h4 g6 11.c3 f6 12.Nf3 Bg4 13.Qa4 Qd7 14.Be3 O-O-O 15.Nh2 
Bf5 16.O-O-O Bxe4 17.Qxe4 Qe6 18.Kb1 f5 19.Qa4 Rd7 20.f3 h6 21.Rhe1 g5 22.
h5 Qf7 23.g4 fxg4 24.fxg4 Qh7 25.Kc2 Rhd8 26.Qc4 a6 27.Nf3 b5 28.Qe6 Kb7 
29.Nxe5 Nxe5 30.Qxe5 Rxd3 31.Rxd3 Rxd3 32.Qf5 Qxf5 33.gxf5 Rd5 34.Bg1 Bf6 
35.Re6 Rxf5 36.Bxc5 Rxc5 37.Rxf6 Rc6 38.Rg6 Kc7 39.b3 Rd6 40.c4 bxc4 41.
bxc4 Kc6 42.Kc3 Kc5 43.Rg8 Rf6 44.Rc8+ Rc6 45.Rd8 Rd6 46.Re8 Kc6 47.Kb4 
Kd7 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.7"]
[White "Barros, Raul Junior"]
[Black "Saltos Velez, Adrian"]
[Result "1-0"]
[WhiteElo "2072"]
[BlackElo "2154"]
[ECO "B34"]
[EventDate "2010.05.20"]
[PlyCount "93"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nb3 a5 6.a4 Bg7 7.Be2 Nf6 8.O-O 
O-O 9.Nc3 d6 10.Be3 Be6 11.Nd4 Nxd4 12.Bxd4 Rc8 13.Nd5 Bxd5 14.exd5 Nd7 
15.Bxg7 Kxg7 16.Qd4+ Kg8 17.c3 Qb6 18.Qd2 Nc5 19.Ra3 Ne4 20.Qc2 Nf6 21.Rb3
Qa7 22.Qd2 Ne4 23.Qf4 Nc5 24.Ra3 Qb6 25.Qd2 Qc7 26.c4 e5 27.dxe6 fxe6 28.
h4 Rf6 29.Rh3 Rcf8 30.h5 Ne4 31.Qd4 Ng5 32.Rg3 Rf4 33.Qd3 Ne4 34.Rf3 g5 
35.Rxf4 Rxf4 36.g3 Nc5 37.Qd2 Rf5 38.Bg4 Re5 39.Rd1 Ne4 40.Qd4 Qg7 41.Bf3 
d5 42.cxd5 exd5 43.Bxe4 dxe4 44.Qc4+ Qf7 45.Rd8+ Kg7 46.Qd4 Kf6 47.g4 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.8"]
[White "Rojas Alarcon, Julian Antonio"]
[Black "Ruiz C, Joshua D"]
[Result "1-0"]
[WhiteElo "2323"]
[BlackElo "2094"]
[ECO "C16"]
[EventDate "2010.05.20"]
[PlyCount "69"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 b6 5.Qg4 Bf8 6.Nf3 Qd7 7.Bd2 Ba6 8.Bxa6 
Nxa6 9.O-O Ne7 10.a4 O-O-O 11.Ne1 Nc6 12.Nb5 Nab8 13.c3 a6 14.Na3 f5 15.
Qe2 Na7 16.Nac2 Be7 17.Nd3 g5 18.Rfc1 f4 19.b3 Rdf8 20.c4 f3 21.gxf3 Rf5 
22.Ne3 Rff8 23.cxd5 exd5 24.Nb4 Bxb4 25.Bxb4 Rf4 26.Bd6 Nac6 27.Nxd5 Nxd4 
28.Qd3 Nxf3+ 29.Qxf3 Rxf3 30.Nxb6+ Kb7 31.Nxd7 cxd6 32.Nxb8 Kxb8 33.exd6 
Rxb3 34.Rc6 Kb7 35.Rc7+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.9"]
[White "Torres, Juan Camilo"]
[Black "Dominguez, Oscar"]
[Result "1/2-1/2"]
[WhiteElo "2172"]
[BlackElo "1921"]
[ECO "E64"]
[EventDate "2010.05.20"]
[PlyCount "50"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d6 5.g3 O-O 6.Bg2 c5 7.d5 Na6 8.O-O e5 9.
e4 Bd7 10.Ne1 Rb8 11.a4 Ne8 12.Nb5 Ra8 13.Nd3 Nb4 14.Be3 Nxd3 15.Qxd3 f5 
16.Nxd6 Nxd6 17.Bxc5 Qc7 18.b4 b6 19.Bxd6 Qxd6 20.Qc3 Rac8 21.Rfc1 fxe4 
22.Bxe4 Bf5 23.c5 Bxe4 24.cxd6 Rxc3 25.Rxc3 Rd8 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.10"]
[White "Carlo, Daniel"]
[Black "Guelgua, Alvaro"]
[Result "1/2-1/2"]
[WhiteElo "2068"]
[BlackElo "2022"]
[ECO "B25"]
[EventDate "2010.05.20"]
[PlyCount "85"]

1.e4 e6 2.d3 c5 3.g3 g6 4.Bg2 Bg7 5.f4 Nc6 6.Nf3 Nge7 7.O-O d6 8.Nc3 Nd4 
9.g4 h5 10.g5 b5 11.Nxd4 Bxd4+ 12.Kh1 Rb8 13.e5 Bxc3 14.bxc3 Bb7 15.Bxb7 
Rxb7 16.exd6 Qxd6 17.a4 b4 18.Qf3 Qd5 19.Be3 Qxf3+ 20.Rxf3 bxc3 21.Bxc5 
Nd5 22.Bd4 O-O 23.Ra3 Rc8 24.Rf2 Rb4 25.Be5 Rc6 26.Kg2 Kf8 27.Kf3 Ke7 28.
Rf1 Rb2 29.Rc1 Kd7 30.Ke2 Kc8 31.Raa1 Kb7 32.Rab1 Rcb6 33.Ra1 Ka6 34.Ra3 
Rc6 35.Kf3 Ka5 36.Bg7 Rb4 37.Be5 a6 38.Rca1 Rb2 39.R1a2 Rxa2 40.Rxa2 Kb4 
41.Bg7 Ka5 42.Ra3 Kb4 43.Bf8+ 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.11"]
[White "Moran, Daniel Stiven"]
[Black "Valencia, David Fernando"]
[Result "1-0"]
[WhiteElo "2117"]
[BlackElo "1826"]
[ECO "A16"]
[EventDate "2010.05.20"]
[PlyCount "53"]

1.c4 Nf6 2.Nc3 d6 3.g3 Nbd7 4.Bg2 g6 5.e3 Bg7 6.Nge2 O-O 7.O-O e5 8.d3 c6 
9.b4 Qc7 10.b5 Nh5 11.Rb1 f5 12.bxc6 bxc6 13.Qa4 Rb8 14.Qxc6 Qxc6 15.Bxc6 
Rxb1 16.Nxb1 Nc5 17.Bd5+ Be6 18.Bxe6+ Nxe6 19.Nbc3 f4 20.Ne4 fxg3 21.hxg3 
Rd8 22.N2c3 Nf6 23.Nxf6+ Bxf6 24.Nd5 Bg7 25.Ba3 Bf8 26.Rb1 Ng5 27.Rb7 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.12"]
[White "Villatoro Duque, Juan Luis"]
[Black "Escobar Medina, Andres F"]
[Result "0-1"]
[BlackElo "2113"]
[ECO "A25"]
[EventDate "2010.05.20"]
[PlyCount "62"]

1.c4 e5 2.g3 Nf6 3.Bg2 Nc6 4.Nc3 Bb4 5.a3 Bxc3 6.dxc3 d6 7.Nf3 Be6 8.b3 
Qd7 9.a4 Bh3 10.O-O h5 11.Nh4 Bxg2 12.Kxg2 Nh7 13.Qd3 Ne7 14.Rd1 Qe6 15.e4
O-O-O 16.Be3 g6 17.Nf3 f5 18.Ng5 Qf6 19.h4 f4 20.gxf4 exf4 21.Bd4 f3+ 22.
Kf1 Qf4 23.Bxh8 Nxg5 24.hxg5 Rxh8 25.Qd4 Re8 26.Qe3 Qg4 27.Qd3 Nc6 28.Ke1 
Rxe4+ 29.Kd2 Qxg5+ 30.Kc2 Re2+ 31.Kb1 Ne5 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.13"]
[White "Guzman, Oswaldo"]
[Black "Duque, Juan Camilo"]
[Result "1/2-1/2"]
[BlackElo "1974"]
[ECO "B22"]
[EventDate "2010.05.20"]
[PlyCount "110"]

1.e4 c5 2.Nf3 Nc6 3.c3 d5 4.exd5 Qxd5 5.d4 cxd4 6.cxd4 e5 7.Nc3 Bb4 8.Bd2 
Bxc3 9.Bxc3 e4 10.Ne5 Nxe5 11.dxe5 Ne7 12.Qa4+ Bd7 13.Qb4 a5 14.Qb6 O-O 
15.Rd1 Qc6 16.Bxa5 Nd5 17.Qd4 Rxa5 18.b4 Rxa2 19.Bc4 Nxb4 20.O-O Nc2 21.
Qd5 Qxd5 22.Rxd5 Ra4 23.Bb3 Rd4 24.Rxd7 Rxd7 25.Bxc2 Rd4 26.Rb1 Rc8 27.Bd1
g6 28.Kf1 b5 29.Ke2 b4 30.Ke3 Rcc4 31.Be2 Kf8 32.Bxc4 Rxc4 33.Kf4 Ke7 34.
Ra1 h6 35.h4 Ke6 36.Ra6+ Kd5 37.Rd6+ Kc5 38.Rd7 b3 39.Rc7+ Kd5 40.Rxf7 Rb4
41.Rd7+ Ke6 42.Rd6+ Ke7 43.Rd1 b2 44.Rb1 Ke6 45.g4 h5 46.gxh5 gxh5 47.Kg5 
Kxe5 48.Kxh5 Kf5 49.Kh6 Kg4 50.Kg6 Kxh4 51.Kf5 Kh3 52.Kf4 Kg2 53.Ke3 Kh3 
54.f3 Rb3+ 55.Kxe4 Kg2 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.14"]
[White "Mayorquin, Nicolas"]
[Black "Ospina, Juan Pablo"]
[Result "1-0"]
[WhiteElo "1848"]
[BlackElo "1934"]
[ECO "B70"]
[EventDate "2010.05.20"]
[PlyCount "51"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Nb3 Nf6 7.Be2 O-O 8.O-O 
d6 9.Kh1 Be6 10.Bg5 d5 11.Bxf6 Bxf6 12.exd5 Bxc3 13.dxe6 Bxb2 14.exf7+ Kg7
15.Rb1 Bf6 16.Nc5 b6 17.Ne6+ Kxf7 18.Nxd8+ Raxd8 19.Bc4+ e6 20.Qg4 Rfe8 
21.Qe4 Rd6 22.Rfd1 Red8 23.Rxd6 Rxd6 24.Re1 Kg7 25.h4 Rd4 26.Qxc6 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.15"]
[White "Zuleta, Juan Esteban"]
[Black "Valdez, Alvaro"]
[Result "0-1"]
[WhiteElo "1916"]
[ECO "B45"]
[EventDate "2010.05.20"]
[PlyCount "86"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bg5 Bb4 7.Nxc6 Bxc3+ 8.
bxc3 bxc6 9.e5 Qa5 10.Qd4 Ne4 11.Be3 Qxc3+ 12.Qxc3 Nxc3 13.Kd2 Nd5 14.Bc5 
f6 15.Bd6 fxe5 16.Bxe5 Nf6 17.f3 Ke7 18.Re1 d6 19.Ba1 a5 20.g4 Bd7 21.Bd3 
h6 22.f4 Rhb8 23.Bc3 c5 24.a4 g5 25.fxg5 hxg5 26.Rhf1 e5 27.h3 Be6 28.Rb1 
c4 29.Bf5 Bxf5 30.Rxb8 Rxb8 31.Bxe5 dxe5 32.Rxf5 Ke6 33.Kc3 Rh8 34.Kxc4 
Rxh3 35.Rxg5 Rg3 36.Kb5 Rxg4 37.Rxg4 Nxg4 38.c4 e4 39.c5 e3 40.c6 e2 41.
Kxa5 e1=Q+ 42.Kb6 Kd6 43.a5 Qb4+ 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.24"]
[Round "7.16"]
[White "Parra, Brayan"]
[Black "Norena, Wilder"]
[Result "0-1"]
[WhiteElo "1807"]
[ECO "C54"]
[EventDate "2010.05.20"]
[PlyCount "148"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.Bb3 Be6 7.Nbd2 Qe7 8.O-O 
Bg4 9.a4 O-O 10.h3 Bh5 11.Re1 Nd7 12.Nf1 Kh8 13.Ng3 Bxf3 14.Qxf3 Qf6 15.
Qe2 Ne7 16.Rf1 Qg6 17.Kh1 f5 18.Bc2 f4 19.Nf5 d5 20.Nxe7 Bxe7 21.Qg4 Qxg4 
22.hxg4 dxe4 23.dxe4 Nf6 24.f3 Rad8 25.Kh2 g5 26.g3 Bc5 27.gxf4 gxf4 28.
Re1 Bf2 29.Re2 Bg3+ 30.Kg2 Rg8 31.Kh3 Rg6 32.Kg2 h5 33.gxh5 Nxh5 34.Kf1 
Rh6 35.Rg2 Rd7 36.Bb3 Nf6 37.Rxg3 Rh1+ 38.Rg1 Rh2 39.Rg2 Rh1+ 40.Kf2 Nh5 
41.Bc2 Ng3 42.Rxg3 fxg3+ 43.Kxg3 Rg7+ 44.Kf2 Rh2+ 45.Ke3 Rxc2 46.Kd3 Rf2 
47.Ke3 Rf1 48.Ke2 Rgg1 49.Kd2 Rd1+ 50.Kc2 Rdf1 51.Kd2 Rxf3 52.Ke2 Rff1 53.
Kd2 Rd1+ 54.Kc2 Rde1 55.b4 Rxe4 56.Bb2 Rxa1 57.Bxa1 Re2+ 58.Kb3 e4 59.c4+ 
Kg8 60.Bd4 a6 61.Kc3 Rg2 62.b5 Kf7 63.bxa6 bxa6 64.Kb4 Rd2 65.Be5 e3 66.
Bxc7 e2 67.Bg3 Rd1 68.Ka5 e1=Q+ 69.Bxe1 Rxe1 70.Kxa6 Rb1 71.a5 Ke7 72.Ka7 
Kd7 73.a6 Kc7 74.Ka8 Rc1 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.1"]
[White "Rios, Cristhian Camilo"]
[Black "Herrera, Juan Sebastian"]
[Result "1-0"]
[WhiteElo "2267"]
[BlackElo "2122"]
[ECO "D43"]
[EventDate "2010.05.20"]
[PlyCount "71"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 5.Bg5 h6 6.Bxf6 Qxf6 7.e3 Nd7 8.Bd3 
dxc4 9.Bxc4 g6 10.O-O Bg7 11.Qc2 O-O 12.Rad1 b6 13.Rfe1 Bb7 14.e4 Rad8 15.
e5 Qe7 16.a3 Kh8 17.Ba2 c5 18.d5 exd5 19.Bxd5 Nb8 20.e6 fxe6 21.Bxb7 Qxb7 
22.Rxd8 Rxd8 23.Qxg6 Nd7 24.Qxe6 Nf6 25.Qc4 Re8 26.Rxe8+ Nxe8 27.Qe6 Qb8 
28.Nd5 Nc7 29.Qd6 Na6 30.Qd7 c4 31.Nh4 Nc5 32.Qe7 Qc8 33.Nf6 Bxf6 34.Qxf6+
Kg8 35.Nf5 Qf8 36.Nxh6+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.2"]
[White "Narvaez, Zamir"]
[Black "Arenas, David"]
[Result "0-1"]
[WhiteElo "2176"]
[BlackElo "2313"]
[ECO "B97"]
[EventDate "2010.05.20"]
[PlyCount "60"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd3 
Qxb2 9.Rb1 Qa3 10.f5 Nc6 11.Nxc6 bxc6 12.fxe6 fxe6 13.Be2 Qa5 14.Bd2 Qc7 
15.O-O Be7 16.e5 dxe5 17.Rxf6 Bxf6 18.Bh5+ g6 19.Ne4 O-O 20.Rf1 Bg7 21.
Rxf8+ Kxf8 22.Qa3+ Kg8 23.Bg4 Qb6+ 24.Kf1 Qb1+ 25.Kf2 Qxc2 26.Qe7 Qxe4 27.
Qe8+ Bf8 28.Bh6 Qd4+ 29.Ke1 Qb4+ 30.Kf1 Qe7 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.3"]
[White "Fernandez, Fernando"]
[Black "Blit, Jacques"]
[Result "1/2-1/2"]
[WhiteElo "2388"]
[BlackElo "2398"]
[ECO "A87"]
[EventDate "2010.05.20"]
[PlyCount "79"]

1.Nf3 f5 2.d4 g6 3.c4 Nf6 4.g3 Bg7 5.Bg2 O-O 6.O-O d6 7.Nc3 Qe8 8.Re1 Qf7 
9.b3 Ne4 10.Bb2 Nc6 11.Rc1 e5 12.d5 Nb4 13.a3 Nxc3 14.Rxc3 Na6 15.b4 Nb8 
16.Qb3 a5 17.c5 axb4 18.axb4 e4 19.Ng5 Qe7 20.h4 h6 21.cxd6 cxd6 22.Rec1 
hxg5 23.Rxc8 Na6 24.Rxa8 Rxa8 25.hxg5 Bxb2 26.Qxb2 Qxg5 27.e3 Kf7 28.Qd4 
Qd8 29.Bf1 Rc8 30.Ra1 Qf6 31.Bxa6 Qxd4 32.exd4 bxa6 33.Rxa6 Rb8 34.Rxd6 
Rxb4 35.Kf1 g5 36.Ke2 g4 37.Re6 Rxd4 38.Re5 Kf6 39.Re6+ Kg7 40.Re5 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.4"]
[White "Macias Murillo, Bryan"]
[Black "Sanchez Maya, Simon"]
[Result "1-0"]
[WhiteElo "2347"]
[BlackElo "2189"]
[ECO "A09"]
[EventDate "2010.05.20"]
[PlyCount "75"]

1.Nf3 d5 2.c4 d4 3.g3 Nc6 4.Bg2 e5 5.d3 Nf6 6.O-O Be7 7.b4 Bxb4 8.Nxe5 
Nxe5 9.Qa4+ Nc6 10.Bxc6+ bxc6 11.Qxb4 h5 12.Ba3 Nd7 13.Qa4 Qf6 14.Nd2 h4 
15.Nf3 Qh6 16.Bc1 Qg6 17.Nxd4 Qh5 18.Bf4 hxg3 19.Bxg3 Rh6 20.Nf3 g5 21.Qa5
c5 22.Qxc7 f5 23.Rab1 f4 24.Bxf4 gxf4 25.Qxf4 Nf6 26.Qe5+ Kf7 27.Qc7+ Kg8 
28.Kh1 Bg4 29.Rg1 Kh8 30.Rg2 Rg8 31.Rb8 Rg6 32.Rxg8+ Nxg8 33.Qe5+ Rf6 34.
Qg3 Nh6 35.Ne5 Rb6 36.h4 Re6 37.Nxg4 Nxg4 38.f3 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.5"]
[White "Barros, Raul Junior"]
[Black "Bassan, Remo"]
[Result "0-1"]
[WhiteElo "2072"]
[BlackElo "2164"]
[ECO "B04"]
[EventDate "2010.05.20"]
[PlyCount "124"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 dxe5 5.Nxe5 g6 6.Bc4 c6 7.O-O Nd7 8.Nd2 
Nxe5 9.dxe5 Bg7 10.Re1 Bf5 11.c3 Nb6 12.Bb3 Qc7 13.Nf3 Rd8 14.Qe2 Bd3 15.
Qe3 O-O 16.Nd4 c5 17.Nf3 c4 18.Bd1 Rd5 19.Qg5 f6 20.Qg3 fxe5 21.Ng5 Bf5 
22.Bf3 Rd3 23.Be3 h6 24.Ne4 Nd5 25.Nc5 Nxe3 26.Nxd3 Nc2 27.Nb4 Nxe1 28.
Rxe1 e6 29.Be4 Bxe4 30.Rxe4 Qd6 31.Rd4 Qb6 32.Rxc4 Rd8 33.h3 a5 34.Nc2 g5 
35.b3 Qd6 36.Ne3 b5 37.Re4 Qd2 38.h4 Qe1+ 39.Kh2 Rf8 40.hxg5 h5 41.Rh4 
Qxf2 42.Qh3 Qf7 43.Rxh5 Qg6 44.Ng4 Rf4 45.Nf6+ Kf7 46.Ng4 e4 47.Qh4 e5 48.
Rh6 Bxh6 49.Nxe5+ Ke6 50.Nxg6 Rxh4+ 51.Nxh4 Bxg5 52.g3 Bd2 53.Ng2 Bxc3 54.
Nf4+ Kf5 55.Ne2 b4 56.Kg2 Ke5 57.Kf2 Bd2 58.g4 Bf4 59.Ng3 e3+ 60.Kf3 Bxg3 
61.Kxg3 Ke4 62.g5 Kd3 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.6"]
[White "Rojas Alarcon, Julian Antonio"]
[Black "Duran Vega, Sergio"]
[Result "1/2-1/2"]
[WhiteElo "2323"]
[BlackElo "2082"]
[ECO "A45"]
[EventDate "2010.05.20"]
[PlyCount "123"]

1.d4 Nf6 2.Bg5 g6 3.Bxf6 exf6 4.h4 h5 5.e3 d6 6.Nd2 Bh6 7.Ne2 O-O 8.g3 Nd7
9.Bg2 f5 10.c3 Nf6 11.Nf4 Ng4 12.Qc2 c6 13.Nf1 Bd7 14.O-O-O b5 15.f3 Nf6 
16.Kb1 a5 17.Nd3 Re8 18.Re1 Qb6 19.e4 fxe4 20.fxe4 b4 21.Nh2 bxc3 22.Qxc3 
Bg7 23.Rhf1 Rab8 24.Rf4 c5 25.dxc5 dxc5 26.e5 Bb5 27.b3 Nd7 28.Bd5 Re7 29.
Nf3 Bc6 30.Bxf7+ Rxf7 31.Qc4 Nf6 32.exf6 Bb5 33.Qc2 Bxd3 34.Qxd3 Rxf6 35.
Ne5 Re6 36.Qd5 Qd6 37.Qxd6 Rxd6 38.Nc4 Rd4 39.Nxa5 Rxf4 40.gxf4 Bc3 41.Nc6
Rxb3+ 42.axb3 Bxe1 43.Kc2 Bxh4 44.Kd3 Kf7 45.Ke4 Ke6 46.Ne5 Bf6 47.Nxg6 h4
48.f5+ Kd6 49.Nf4 Kc6 50.Nh5 h3 51.Kf3 h2 52.Kg2 Be5 53.f6 Kd7 54.Ng7 Bxf6
55.Nf5 Be5 56.Ne3 Kc6 57.Ng4 Kd5 58.Ne3+ Ke4 59.Nc4 Bc7 60.Nb2 Ke3 61.Na4 
Kd4 62.Nxc5 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.7"]
[White "Saltos Velez, Adrian"]
[Black "Ceron, Edgar Ivan"]
[Result "0-1"]
[WhiteElo "2154"]
[BlackElo "2010"]
[ECO "A13"]
[EventDate "2010.05.20"]
[PlyCount "68"]

1.g3 e6 2.Bg2 d5 3.c4 c6 4.Nc3 Nd7 5.Nf3 Ngf6 6.O-O Bd6 7.b3 O-O 8.Bb2 Qe7
9.d3 Rd8 10.e4 dxc4 11.dxc4 e5 12.Qc2 Nf8 13.Rad1 Bg4 14.h3 Bh5 15.Ne2 
Bxf3 16.Bxf3 Ba3 17.Bc3 b5 18.Ba5 Rdc8 19.Bg2 b4 20.c5 Rab8 21.f4 Rb5 22.
Bd8 Rxd8 23.Rxd8 Qxd8 24.fxe5 N6d7 25.Nd4 Rxc5 26.Qf2 Nxe5 27.Nf5 Rc1 28.
Qxa7 Rxf1+ 29.Bxf1 Bb2 30.Qa6 Qd2 31.Bg2 Qd1+ 32.Kh2 Bd4 33.h4 Bg1+ 34.Kh1
Nd3 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.8"]
[White "Carlo, Daniel"]
[Black "Torres, Juan Camilo"]
[Result "0-1"]
[WhiteElo "2068"]
[BlackElo "2172"]
[ECO "A04"]
[EventDate "2010.05.20"]
[PlyCount "70"]

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 g6 5.Bg2 Bg7 6.O-O Nge7 7.Re1 d6 8.c3 e5 9.
Be3 O-O 10.Nbd2 h6 11.Nf1 f5 12.Qc1 Kh7 13.h4 Be6 14.h5 Qd7 15.hxg6+ Nxg6 
16.exf5 Bxf5 17.Qd2 Rae8 18.N3h2 b6 19.Qe2 Nf4 20.gxf4 exf4 21.Ng3 fxg3 
22.fxg3 Ne5 23.Rad1 Ng4 24.Qd2 Nxe3 25.Rxe3 Rxe3 26.Qxe3 Qa4 27.Rf1 Re8 
28.Qd2 Bg6 29.Nf3 Qg4 30.Kh2 Bf6 31.Rf2 Kg7 32.Bh3 Qh5 33.c4 Bf5 34.g4 
Bxg4 35.Rg2 Qxh3+ 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.9"]
[White "Guelgua, Alvaro"]
[Black "Moran, Daniel Stiven"]
[Result "1-0"]
[WhiteElo "2022"]
[BlackElo "2117"]
[ECO "C06"]
[EventDate "2010.05.20"]
[PlyCount "55"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 f6
9.exf6 Qxf6 10.O-O Bd6 11.Nf3 h6 12.Ng3 O-O 13.Bb1 Rd8 14.Re1 Nf8 15.Ne5 
Bxe5 16.dxe5 Qh4 17.a4 Bd7 18.Ra3 Be8 19.Rf3 Qd4 20.Qe2 Qxa4 21.Rf4 Qa5 
22.Rg4 Kh8 23.Bxh6 Rd7 24.b4 Qc7 25.Qf3 Rf7 26.Bxg7+ Kg8 27.Bf6+ Ng6 28.
Bxg6 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.10"]
[White "Escobar Medina, Andres F"]
[Black "Giron, David"]
[Result "1-0"]
[WhiteElo "2113"]
[BlackElo "1997"]
[ECO "A08"]
[EventDate "2010.05.20"]
[PlyCount "95"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 c5 5.g3 Nc6 6.Bg2 b6 7.O-O Be7 8.Re1 Bb7 
9.e5 Nd7 10.Nf1 Qc7 11.Qe2 O-O-O 12.c3 Rdg8 13.d4 g5 14.Be3 f5 15.exf6 
Bxf6 16.Qd2 Qd8 17.h3 e5 18.dxc5 bxc5 19.Rac1 e4 20.N3h2 Nce5 21.Red1 Nd3 
22.Rc2 Kb8 23.Qe2 Ba6 24.Qg4 h5 25.Qe6 Nb6 26.b4 Be7 27.bxc5 Bc8 28.Qf7 
Ne5 29.Qxg8 Qxg8 30.cxb6 a6 31.Bd4 Bf6 32.Ne3 Be6 33.c4 dxc4 34.Bxe4 Nd7 
35.Bxf6 Nxf6 36.Bg2 Rh7 37.Rdc1 Rd7 38.Nxc4 Bxc4 39.Rxc4 Rd6 40.b7 Rd8 41.
Rc8+ Rxc8 42.Rxc8+ Qxc8 43.bxc8=R+ Kxc8 44.Nf3 g4 45.hxg4 hxg4 46.Nh2 Kc7 
47.Bf1 Kb6 48.Be2 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.11"]
[White "Duque, Juan Camilo"]
[Black "Dominguez, Oscar"]
[Result "0-1"]
[WhiteElo "1974"]
[BlackElo "1921"]
[ECO "C13"]
[EventDate "2010.05.20"]
[PlyCount "44"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6 Bxf6 6.Nf3 c5 7.e5 Be7 8.Bd3 
O-O 9.h4 h6 10.dxc5 f5 11.Qd2 Nd7 12.O-O-O Nxc5 13.Rdg1 Ne4 14.Qe1 Qb6 15.
Nd1 Bc5 16.Rf1 Bd7 17.g4 fxg4 18.Bxe4 dxe4 19.Nh2 h5 20.Qd2 Bb5 21.Qg5 Rf5
22.Qd2 Bxf1 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.12"]
[White "Ruiz C, Joshua D"]
[Black "Guzman, Oswaldo"]
[Result "0-1"]
[WhiteElo "2094"]
[ECO "C56"]
[EventDate "2010.05.20"]
[PlyCount "55"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.O-O Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.
Nc3 Qh5 9.Nxe4 Be6 10.Bg5 h6 11.Ng3 Qg6 12.Bh4 Bc5 13.a3 Bb6 14.b4 a6 15.
Ne2 O-O 16.Nexd4 Bh3 17.Bg3 Nxd4 18.Nxd4 Bg4 19.Qd2 Rad8 20.c3 c5 21.bxc5 
Bxc5 22.h3 Bh5 23.Qf4 Qd3 24.Re3 Qc4 25.Bh4 g5 26.Bxg5 hxg5 27.Qxg5+ Bg6 
28.Ne6 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.13"]
[White "Valdez, Alvaro"]
[Black "Chavarro, Jeffry"]
[Result "1-0"]
[BlackElo "2035"]
[ECO "A43"]
[EventDate "2010.05.20"]
[PlyCount "63"]

1.d4 c5 2.e3 cxd4 3.exd4 g6 4.Nf3 Bg7 5.c3 Nf6 6.Bd3 O-O 7.O-O d6 8.Re1 
Nc6 9.Bg5 Re8 10.Qc2 Bd7 11.a3 Rc8 12.Nbd2 h6 13.Bh4 Nd5 14.Bc4 Nb6 15.Ba2
Bf5 16.Qb3 d5 17.Bb1 Be6 18.Bxg6 Qd7 19.Bd3 Kh8 20.Bg3 Rg8 21.Qd1 Rcf8 22.
Bb5 Bg4 23.Qc2 Nc4 24.Nxc4 Bxf3 25.gxf3 dxc4 26.Bxc4 h5 27.Kh1 e6 28.Qd1 
Na5 29.f4 Qc6+ 30.d5 exd5 31.Qxh5+ Bh6 32.Bxd5 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.14"]
[White "Valencia, David Fernando"]
[Black "Villatoro Duque, Juan Luis"]
[Result "0-1"]
[WhiteElo "1826"]
[ECO "C00"]
[EventDate "2010.05.20"]
[PlyCount "140"]

1.e4 e6 2.Nc3 d5 3.f4 Nf6 4.e5 Nfd7 5.Nf3 c5 6.Bb5 a6 7.Bxd7+ Bxd7 8.d3 
Be7 9.O-O O-O 10.h3 Nc6 11.Ne2 f6 12.Be3 b6 13.Qe1 Nb4 14.Qd1 Qc7 15.c3 
Nc6 16.d4 Na5 17.Kh1 Nc4 18.Bc1 Rac8 19.Qe1 b5 20.Qg3 f5 21.h4 b4 22.h5 
Bb5 23.h6 g6 24.dxc5 bxc3 25.bxc3 Na5 26.Re1 Bxe2 27.Rxe2 Qxc5 28.Nd4 Kf7 
29.Rc2 Nc4 30.Rb1 Rb8 31.Rb3 a5 32.Rxb8 Rxb8 33.Nb3 Qa7 34.Nd2 Qa6 35.Qf2 
Rc8 36.Nxc4 Rxc4 37.Be3 Qc6 38.Bd4 a4 39.Rb2 a3 40.Rb3 Qc8 41.Qg3 Qc6 42.
Qf2 Qc8 43.Qg3 Rc7 44.Qd3 Qf8 45.Qh3 Qc8 46.Rb6 Rc6 47.Rb3 Qa6 48.Qf3 Qc4 
49.Kg1 Qa6 50.Kf2 Bh4+ 51.g3 Be7 52.Ke3 Qc8 53.Kd2 Qf8 54.Qh1 Qc8 55.Qf1 
Rc4 56.Qg1 Qf8 57.Qh1 Qc8 58.Kd3 Qa6 59.Kd2 Qa5 60.Qg1 Qa6 61.Qb1 Qc6 62.
Rb6 Qc8 63.Rb8 Qa6 64.Rh8 Bb4 65.Rxh7+ Kf8 66.Qb3 Rxd4+ 67.Ke1 Re4+ 68.Kf2
Qe2+ 69.Kg1 Bc5+ 70.Kh1 Qf3+ 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.15"]
[White "Norena, Wilder"]
[Black "Ospina, Juan Pablo"]
[Result "0-1"]
[BlackElo "1934"]
[ECO "B34"]
[EventDate "2010.05.20"]
[PlyCount "62"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Nxc6 bxc6 8.e5
Nd5 9.Nxd5 cxd5 10.Qxd5 Rb8 11.Bd4 Qc7 12.Bc4 O-O 13.Qc5 Qxc5 14.Bxc5 Bxe5
15.Bxa7 Rxb2 16.Kd2 Rb7 17.Rae1 d6 18.Be3 Rc7 19.Bh6 Rd8 20.Re4 Bf5 21.Rh4
Bf6 22.Rf4 e5 23.Bxf7+ Kxf7 24.Ra4 Rxc2+ 25.Ke3 Rdc8 26.Kf3 g5 27.Ra7+ Ke6
28.g3 R8c3+ 29.Kg2 Be4+ 30.Kf1 Bxh1 31.Bf8 Rb2 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.25"]
[Round "8.16"]
[White "Zuleta, Juan Esteban"]
[Black "Parra, Brayan"]
[Result "0-1"]
[WhiteElo "1916"]
[BlackElo "1807"]
[ECO "C22"]
[EventDate "2010.05.20"]
[PlyCount "40"]

1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Bb4+ 5.Nc3 Nf6 6.Bd2 d6 7.O-O-O Bd7 8.
f4 Qe7 9.Bd3 O-O-O 10.h3 Rde8 11.Re1 h5 12.Nf3 Bc5 13.Qe2 h4 14.e5 dxe5 
15.fxe5 Nh5 16.Bg5 Ng3 17.Qd1 Qe6 18.Nxh4 Rxh4 19.Bxh4 Qh6+ 20.Qd2 Qxh4 
0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.1"]
[White "Bassan, Remo"]
[Black "Rios, Cristhian Camilo"]
[Result "1/2-1/2"]
[WhiteElo "2164"]
[BlackElo "2267"]
[ECO "B26"]
[EventDate "2010.05.20"]
[PlyCount "61"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.Be3 d6 7.Qd2 Nge7 8.Bh6 O-O 
9.h4 f6 10.Bxg7 Kxg7 11.O-O-O b5 12.h5 g5 13.f4 h6 14.e5 dxe5 15.fxe5 f5 
16.Nxb5 Rb8 17.Nd6 Nxe5 18.Nxc8 Nxc8 19.Nf3 Nxf3 20.Bxf3 Qf6 21.c3 Nb6 22.
Qc2 f4 23.g4 Nd5 24.Bxd5 exd5 25.d4 c4 26.Rde1 Rbe8 27.b4 f3 28.Kb2 Re6 
29.Rxe6 Qxe6 30.Re1 Qxe1 31.Qg6+ 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.2"]
[White "Arenas, David"]
[Black "Blit, Jacques"]
[Result "1-0"]
[WhiteElo "2313"]
[BlackElo "2398"]
[ECO "B32"]
[EventDate "2010.05.20"]
[PlyCount "114"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6 6.N1c3 a6 7.Na3 b5 8.Nd5 
Nge7 9.Bg5 Be6 10.c4 Nd4 11.Be3 Nxd5 12.cxd5 Bd7 13.Bxd4 exd4 14.Nc2 Be7 
15.Nxd4 O-O 16.Qd2 Bf6 17.Be2 Qb6 18.O-O-O Rfc8+ 19.Kb1 b4 20.Rhe1 Ba4 21.
b3 Bd7 22.f4 a5 23.Bc4 Re8 24.h3 a4 25.g4 axb3 26.Bxb3 g6 27.Qe3 Qb7 28.
Rc1 Ba4 29.Bc4 Bd7 30.Nc6 Bc3 31.Re2 Bxc6 32.dxc6 Qxc6 33.Bd5 Qxd5 34.exd5
Rxe3 35.Rxe3 Bd2 36.Rce1 Bxe1 37.Rxe1 Ra3 38.Kb2 Rxh3 39.Re4 Rd3 40.Rxb4 
Rxd5 41.a4 Kg7 42.Kc3 Kf6 43.Rd4 Rc5+ 44.Kb4 Ke6 45.a5 Rc1 46.Kb5 Kd7 47.
g5 Rc8 48.a6 Rb8+ 49.Ka5 Ke6 50.a7 Rg8 51.Ka6 f6 52.Rb4 Ra8 53.Rb8 Rxa7+ 
54.Kxa7 fxg5 55.fxg5 Kf5 56.Rb5+ Ke4 57.Kb6 d5 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.3"]
[White "Macias Murillo, Bryan"]
[Black "Fernandez, Fernando"]
[Result "1-0"]
[WhiteElo "2347"]
[BlackElo "2388"]
[ECO "D04"]
[EventDate "2010.05.20"]
[PlyCount "113"]

1.Nf3 Nf6 2.d4 d5 3.e3 c6 4.Bd3 Bg4 5.b3 Nbd7 6.Bb2 e6 7.Nbd2 Bd6 8.Qc1 
Qb8 9.h3 Bh5 10.c4 O-O 11.O-O e5 12.cxd5 cxd5 13.dxe5 Rc8 14.Qb1 Nxe5 15.
Bf5 Re8 16.Nd4 Bb4 17.N2f3 Ne4 18.Nxe5 Qxe5 19.Bxe4 dxe4 20.Ne2 Qg5 21.Ng3
Bg6 22.Rd1 Rad8 23.Rxd8 Rxd8 24.Bd4 Bc5 25.Bxc5 Qxc5 26.Qc1 Qe5 27.Ne2 Bf5
28.Nd4 h6 29.Qa3 a6 30.Rc1 Rc8 31.Rxc8+ Bxc8 32.Qc1 Bd7 33.b4 b6 34.Qc4 a5
35.b5 Kf8 36.a4 Qd6 37.Qc2 Qe5 38.Kf1 Ke8 39.Kg1 Kf8 40.Qc4 Ke8 41.Ne2 
Qa1+ 42.Kh2 Qe5+ 43.Ng3 f5 44.Kg1 Qa1+ 45.Kh2 Qe5 46.h4 Ke7 47.h5 Be6 48.
Qc6 Qd6 49.Qc3 Kf7 50.Qc2 Bd7 51.Kg1 Kf6 52.Ne2 Qe5 53.Nf4 Qa1+ 54.Kh2 Qe5
55.g3 Kg5 56.Kg2 Be8 57.Qd1 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.4"]
[White "Herrera, Juan Sebastian"]
[Black "Narvaez, Zamir"]
[Result "1/2-1/2"]
[WhiteElo "2122"]
[BlackElo "2176"]
[ECO "B30"]
[EventDate "2010.05.20"]
[PlyCount "134"]

1.e4 c5 2.Nf3 e6 3.Nc3 Nc6 4.Bb5 Nge7 5.O-O a6 6.Bxc6 Nxc6 7.b3 Qc7 8.Bb2 
Bd6 9.Kh1 O-O 10.Ne2 e5 11.Ng3 Be7 12.c3 d6 13.d4 g6 14.d5 Nd8 15.Qd2 Bf6 
16.Qh6 Qe7 17.Qe3 Bg7 18.Nd2 b5 19.a4 Rb8 20.axb5 axb5 21.Ra5 Qe8 22.Ra7 
Bb7 23.Qd3 Bc8 24.Qe3 Bb7 25.b4 f5 26.exf5 gxf5 27.Qg5 Qg6 28.Qxg6 hxg6 
29.Rd1 e4 30.bxc5 dxc5 31.Nb3 Rc8 32.Ne2 c4 33.Na5 Ra8 34.Rxa8 Bxa8 35.Nd4
Rf6 36.Ba3 Ra6 37.Be7 Bxd4 38.Bxd8 Bxc3 39.d6 Rxa5 40.d7 Ra7 41.Bb6 Rxd7 
42.Rxd7 Bc6 43.Rc7 Be8 44.Re7 Bf7 45.Rb7 Bf6 46.Ba5 Be8 47.Bb4 Bd4 48.Kg1 
e3 49.fxe3 Bxe3+ 50.Kf1 Bc6 51.Re7 Be4 52.Re5 Bd3+ 53.Ke1 Bf4 54.Rxb5 Bxh2
55.Kf2 Bf4 56.Bc3 Kf7 57.Rb7+ Kf8 58.Rd7 Ke8 59.Rd4 Bc7 60.Rxd3 cxd3 61.
Ke3 Ke7 62.Kxd3 Ke6 63.Ke3 g5 64.Kf3 g4+ 65.Kf2 Kd5 66.Ke2 Ke4 67.Kf1 f4 
1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.5"]
[White "Ceron, Edgar Ivan"]
[Black "Escobar Medina, Andres F"]
[Result "1/2-1/2"]
[WhiteElo "2010"]
[BlackElo "2113"]
[ECO "D02"]
[EventDate "2010.05.20"]
[PlyCount "50"]

1.d4 d5 2.Nf3 Nc6 3.g3 Nf6 4.Bg2 g6 5.c4 Bg7 6.cxd5 Qxd5 7.Nc3 Qa5 8.O-O 
O-O 9.Qb3 Rd8 10.Ne5 Nxe5 11.dxe5 Qxe5 12.Bf4 Qh5 13.Bxc7 Rd7 14.Bf4 e5 
15.Bf3 Ng4 16.Bxg4 Qxg4 17.Be3 b6 18.Rad1 Bb7 19.f3 Qh3 20.Rxd7 Qxd7 21.
Rd1 Qe8 22.Nd5 Rd8 23.Bg5 Rxd5 24.Rxd5 Bxd5 25.Qxd5 h6 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.7"]
[White "Sanchez Maya, Simon"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[WhiteElo "2189"]
[BlackElo "2022"]
[ECO "C23"]
[EventDate "2010.05.20"]
[PlyCount "35"]

1.e4 e5 2.Bc4 Bc5 3.b4 Bxb4 4.f4 Nc6 5.Nf3 Bc5 6.Rf1 exf4 7.d4 Bb6 8.Bxf4 
Qe7 9.Ng5 Nh6 10.c3 d6 11.Nd2 O-O 12.Qh5 Bg4 13.Qh4 Rad8 14.Qg3 Bh5 15.Nh3
Nf5 16.Qg5 Bg6 17.O-O-O Qxg5 18.Bxg5 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.8"]
[White "Torres, Juan Camilo"]
[Black "Duran Vega, Sergio"]
[Result "1-0"]
[WhiteElo "2172"]
[BlackElo "2082"]
[ECO "E63"]
[EventDate "2010.05.20"]
[PlyCount "65"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 O-O 5.g3 d6 6.Bg2 Nc6 7.O-O a6 8.h3 Bd7 
9.a4 e5 10.e4 Re8 11.Be3 a5 12.Re1 Nb4 13.Qd2 c6 14.Bg5 Qc7 15.Rad1 Be6 
16.b3 b6 17.d5 cxd5 18.exd5 Bf5 19.Nb5 Qd7 20.Qe3 Nc2 21.Qxb6 Nxe1 22.Rxe1
Red8 23.Bxf6 Bxf6 24.c5 e4 25.c6 Qc8 26.Nd2 e3 27.Rxe3 Ra6 28.Qc7 Kf8 29.
g4 Bc2 30.Qxc8 Rxc8 31.Nxd6 Rd8 32.N2c4 Bd4 33.c7 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.9"]
[White "Mayorquin, Nicolas"]
[Black "Barros, Raul Junior"]
[Result "1/2-1/2"]
[WhiteElo "1848"]
[BlackElo "2072"]
[ECO "C11"]
[EventDate "2010.05.20"]
[PlyCount "72"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Be3 Nc6 7.Nf3 a6 8.g3 b5 9.
Ne2 Bb7 10.Bg2 Be7 11.O-O Qc7 12.c3 O-O-O 13.Kh1 c4 14.Ng5 Rdf8 15.f5 h6 
16.Nh3 exf5 17.Nhf4 Nb6 18.Nxd5 Nxd5 19.Bxd5 Nb4 20.Bxb7+ Qxb7+ 21.Kg1 Nd5
22.Qd2 h5 23.Nf4 h4 24.Nxd5 Qxd5 25.Qg2 Qxg2+ 26.Kxg2 hxg3 27.hxg3 g6 28.
d5 Kd7 29.Rad1 f6 30.e6+ Kc7 31.Bf4+ Bd6 32.Rfe1 Rh7 33.e7 Re8 34.Bxd6+ 
Kxd6 35.Re6+ Kd7 36.Rxa6 Rhxe7 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.10"]
[White "Guzman, Oswaldo"]
[Black "Valdez, Alvaro"]
[Result "1/2-1/2"]
[ECO "B22"]
[EventDate "2010.05.20"]
[PlyCount "43"]

1.e4 c5 2.Nf3 Nc6 3.c3 e6 4.Be2 a6 5.O-O Be7 6.a4 d6 7.d4 cxd4 8.cxd4 e5 
9.Nc3 Nf6 10.h3 O-O 11.Be3 Re8 12.Qb3 h6 13.d5 Nb8 14.Qa3 b6 15.b4 Nbd7 
16.Rfc1 Bb7 17.Rc2 Rc8 18.Nd2 Rf8 19.Qc1 Nh7 20.Kh1 Bg5 21.Bxg5 Nxg5 22.
Nc4 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.11"]
[White "Giron, David"]
[Black "Saltos Velez, Adrian"]
[Result "1/2-1/2"]
[WhiteElo "1997"]
[BlackElo "2154"]
[ECO "A00"]
[EventDate "2010.05.20"]
[PlyCount "134"]

1.Nc3 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qh4 g6 5.e4 Bg7 6.Nf3 Nb4 7.Bd3 Nxd3+ 8.
cxd3 d6 9.O-O Nf6 10.Bh6 O-O 11.Ng5 Re8 12.d4 e5 13.dxe5 dxe5 14.Rfd1 Qe7 
15.Bxg7 Kxg7 16.Nd5 Nxd5 17.Qxh7+ Kf6 18.Rxd5 Kxg5 19.f4+ Kxf4 20.Re1 Rd8 
21.Rxd8 Qxd8 22.Qh6+ g5 23.g3+ Kg4 24.h3+ Kxg3 25.Re3+ Kf4 26.Kf2 Qd2+ 27.
Re2 Qd4+ 28.Kg2 f5 29.h4 Qd8 30.Qh5 fxe4 31.Rf2+ Ke3 32.Qe2+ Kd4 33.Qd1+ 
Kc5 34.b4+ Kxb4 35.Rb2+ Kc5 36.Qc1+ Kd6 37.Rd2+ Ke7 38.Rxd8 Kxd8 39.Qxg5+ 
Kc7 40.Qxe5+ Kb6 41.Qd6+ Kb5 42.Qd5+ Kb6 43.Qd6+ Kb5 44.Qd5+ Kb6 45.Qxe4 
Bd7 46.Kg3 Rg8+ 47.Kf2 Rf8+ 48.Kg3 Rg8+ 49.Kf2 Rf8+ 50.Kg1 Rg8+ 51.Kh2 Rg4
52.Qe3+ Kc7 53.Qe7 Ra4 54.a3 Rc4 55.h5 Rc6 56.Qe5+ Kc8 57.Qh8+ Kc7 58.h6 
Bf5 59.Qe5+ Kb6 60.Qxf5 Rxh6+ 61.Kg2 Rc6 62.Qe5 a6 63.Kf3 Ka7 64.Ke4 Rc4+ 
65.Kd3 Rc6 66.a4 Rc8 67.Kd4 Rc6 1/2-1/2

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.12"]
[White "Moran, Daniel Stiven"]
[Black "Carlo, Daniel"]
[Result "1-0"]
[WhiteElo "2117"]
[BlackElo "2068"]
[ECO "D15"]
[EventDate "2010.05.20"]
[PlyCount "67"]

1.c4 Nf6 2.Nc3 c6 3.d4 d5 4.Nf3 a6 5.c5 Nbd7 6.Ne5 e6 7.f4 Nxe5 8.fxe5 Nd7
9.e4 b6 10.exd5 cxd5 11.b4 Bb7 12.Bf4 Be7 13.Bd3 Qc7 14.Bg3 h5 15.Rc1 bxc5
16.bxc5 h4 17.Bf2 h3 18.g3 Nb8 19.O-O Nc6 20.Qg4 g6 21.Na4 Na5 22.Nb6 Rb8 
23.Be3 Nc4 24.Nxc4 dxc4 25.Be4 Bd5 26.Bxd5 exd5 27.e6 Qc6 28.exf7+ Kf8 29.
Bh6+ Rxh6 30.Qf4 Bf6 31.Qxb8+ Kxf7 32.Rxf6+ Kxf6 33.Qf8+ Kg5 34.Qf4+ 1-0

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.13"]
[White "Villatoro Duque, Juan Luis"]
[Black "Ruiz C, Joshua D"]
[Result "0-1"]
[BlackElo "2094"]
[ECO "A20"]
[EventDate "2010.05.20"]
[PlyCount "52"]

1.c4 e5 2.g3 d6 3.Bg2 c5 4.Nc3 Nc6 5.e3 Be6 6.b3 g6 7.Nge2 Bg7 8.O-O Nge7 
9.Bb2 Qd7 10.d4 exd4 11.Nd5 Nf5 12.e4 Nfe7 13.f4 f5 14.Re1 O-O 15.Qd2 Rae8
16.Nc1 fxe4 17.Bxe4 Bxd5 18.cxd5 Nb4 19.Qg2 Nf5 20.a3 Ne3 21.Rxe3 dxe3 22.
Bf3 Na6 23.Qe2 Nc7 24.Nd3 b5 25.Rc1 Qf7 26.Qg2 a5 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.14"]
[White "Ospina, Juan Pablo"]
[Black "Parra, Brayan"]
[Result "0-1"]
[WhiteElo "1934"]
[BlackElo "1807"]
[ECO "C54"]
[EventDate "2010.05.20"]
[PlyCount "94"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Bd2 Bxd2+ 8.
Nbxd2 d5 9.exd5 Nxd5 10.Qb3 Na5 11.Qa4+ Nc6 12.Qb3 Nce7 13.O-O O-O 14.Rfe1
Nb6 15.Qb4 Nc6 16.Qc5 Nxc4 17.Qxc4 Be6 18.Qd3 Bd5 19.a3 Qf6 20.Ne4 Qg6 21.
Ne5 Qf5 22.Nc3 Qxd3 23.Nxd3 Rfd8 24.Rad1 Bb3 25.Rc1 Nxd4 26.Nc5 b6 27.Nxb3
Nxb3 28.Rc2 Nd4 29.Rcc1 Kf8 30.Ne4 Rd7 31.Ng5 h6 32.Ne4 Rad8 33.h3 Re7 34.
Rcd1 Ne2+ 35.Kf1 Rxd1 36.Rxd1 Rxe4 37.Re1 Ng3+ 38.fxg3 Rxe1+ 39.Kxe1 Ke7 
40.Kd2 Kd6 41.Kc3 a5 42.Kc4 c6 43.a4 Ke5 44.Kd3 Kd5 45.b3 Kc5 46.Kc3 b5 
47.axb5 cxb5 0-1

[Event "35th Pan-American U20"]
[Site "Cali COL"]
[Date "2010.05.26"]
[Round "9.15"]
[White "Norena, Wilder"]
[Black "Chavarro, Jeffry"]
[Result "0-1"]
[BlackElo "2035"]
[ECO "B43"]
[EventDate "2010.05.20"]
[PlyCount "94"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.a3 Nf6 7.f3 Be7 8.Be3 O-O
9.Qd2 Nc6 10.Be2 b5 11.O-O Bb7 12.Kh1 Rac8 13.Nb3 d6 14.f4 Rfd8 15.Rad1 b4
16.axb4 Nxb4 17.Bd3 Bf8 18.Na4 Nxd3 19.Bb6 Nxe4 20.Bxc7 Nxd2 21.Rxd2 Rxc7 
22.cxd3 g6 23.Na5 Rb8 24.Kg1 Bg7 25.Rb1 Bd5 26.Re1 Rb4 27.Nc3 Bxc3 28.bxc3
Rxc3 29.Nc4 Bxc4 30.dxc4 a5 31.Rxd6 Rcxc4 32.g3 Rc2 33.Ra6 Ra2 34.Rf1 Rbb2
35.Rc1 Rg2+ 36.Kh1 Rxh2+ 37.Kg1 Rhg2+ 38.Kh1 Kg7 39.Ra7 Rgb2 40.Kg1 Kf6 
41.Ra6 Kf5 42.Ra7 Kf6 43.Ra6 h5 44.Kf1 Kf5 45.Ra7 f6 46.Ra6 Rh2 47.Kg1 Kg4
0-1

