[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.1"]
[White "Hernandez, Mauricio Daniel"]
[Black "Escalante Ramirez, Brian Sebas"]
[Result "0-1"]
[WhiteElo "1926"]
[BlackElo "2389"]
[ECO "C01"]
[EventDate "2015.07.16"]
[PlyCount "56"]

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Qf3 Bd6 5.Bd3 Ne7 6.Ne2 Nbc6 7.c3 Be6 8.Bf4 
Ng6 9.Bxd6 Qxd6 10.Na3 a6 11.Nc2 Nce7 12.Ne3 O-O-O 13.b4 Kb8 14.a4 f5 15.
g3 f4 16.gxf4 Rhf8 17.Qg3 Nf5 18.Bxf5 Bxf5 19.Nxf5 Rxf5 20.Qd3 Rdf8 21.
O-O-O Nxf4 22.Nxf4 Rxf4 23.Rd2 Rxf2 24.Qg3 Qh6 25.Rd1 R8f3 26.Qg4 Rxc3+ 
27.Kb2 Rxd2+ 28.Kxc3 Qe3# 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.2"]
[White "Hernandez Sanchez, Jairo Andre"]
[Black "Santiago Vilca, Christian"]
[Result "1/2-1/2"]
[WhiteElo "2381"]
[BlackElo "1922"]
[ECO "B30"]
[EventDate "2015.07.16"]
[PlyCount "75"]

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 g6 5.Bg2 Bg7 6.h4 h6 7.c3 e5 8.O-O Nge7 9.
Be3 d6 10.Qc1 b6 11.a3 Ba6 12.Rd1 Rc8 13.b4 d5 14.Bh3 d4 15.Bxc8 Qxc8 16.
c4 dxe3 17.b5 exf2+ 18.Kxf2 Na5 19.bxa6 Nb3 20.Qb2 Nxa1 21.Nc3 O-O 22.Rxa1
f5 23.Kg2 Qxa6 24.Qe2 f4 25.g4 Qc8 26.Kh3 h5 27.Rg1 Kh8 28.Qg2 Nc6 29.Kh2 
hxg4 30.Qxg4 Nd4 31.Qg2 Qd8 32.Kh3 Nxf3 33.Qxf3 Qd4 34.Ne2 Qd7+ 35.Kh2 Qd8
36.Rxg6 Qxh4+ 37.Kg2 Rf6 38.Rxf6 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.3"]
[White "Ortiz Perez, Carlos"]
[Black "Cori Quispe, Kevin"]
[Result "0-1"]
[WhiteElo "1901"]
[BlackElo "2369"]
[ECO "B45"]
[EventDate "2015.07.16"]
[PlyCount "46"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Be3 Nf6 6.Nc3 Bb4 7.Bd3 d5 8.Nxc6 
bxc6 9.Bd2 O-O 10.e5 Nd7 11.Qh5 g6 12.Qg4 c5 13.f4 c4 14.Be2 Qb6 15.h4 d4 
16.Ne4 Bb7 17.Bxb4 Qxb4+ 18.Nd2 d3 19.h5 Qxb2 20.Kf2 Qd4+ 21.Kg3 dxe2 22.
hxg6 fxg6 23.Qxe6+ Rf7 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.4"]
[White "Tang, Andrew"]
[Black "Colorado, Efrain"]
[Result "1-0"]
[WhiteElo "2365"]
[BlackElo "1841"]
[ECO "D35"]
[EventDate "2015.07.16"]
[PlyCount "125"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Be7 6.e3 c6 7.Bd3 Ne4 8.Bxe7 
Qxe7 9.Qc2 Bf5 10.f3 Qh4+ 11.Ke2 Ng3+ 12.hxg3 Bxd3+ 13.Kxd3 Qxh1 14.Nxd5 
O-O 15.Nc7 Na6 16.Nxa6 bxa6 17.Rc1 Qh2 18.Ne2 Rac8 19.Rg1 Qh5 20.Qc5 Qg6+ 
21.Kd2 Rb8 22.b3 Rb5 23.Qe7 Rfb8 24.Rc1 a5 25.Qd7 c5 26.Qxa7 cxd4 27.Nxd4 
Rd8 28.Qc7 Rbd5 29.Ke2 h6 30.Kf2 Qd3 31.Qc3 Qg6 32.Qc2 Qd6 33.Rd1 Qd7 34.
Rc1 Qe8 35.Qc6 Qe5 36.Qc7 Qe8 37.Rc2 R8d7 38.Qc3 Kh7 39.a3 Rd8 40.b4 axb4 
41.axb4 g6 42.b5 Rb8 43.Rb2 Rc8 44.Qb3 Rdc5 45.Nc6 R5xc6 46.bxc6 Rxc6 47.
g4 Qe6 48.Qd3 Rd6 49.Qc3 Rc6 50.Qb4 Rd6 51.Qa5 Ra6 52.Qd8 Rd6 53.Qf8 Rd3 
54.Qc5 Rd5 55.Qc3 Qe5 56.Qxe5 Rxe5 57.f4 Rc5 58.Rb3 Rc7 59.e4 Rc5 60.e5 
Rc7 61.Rb6 Re7 62.Ra6 Re8 63.Ra7 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.5"]
[White "De Leon, Gabriel"]
[Black "Chavez Estevez, Hayler David"]
[Result "0-1"]
[WhiteElo "1804"]
[BlackElo "2347"]
[ECO "C45"]
[EventDate "2015.07.16"]
[PlyCount "100"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.e5 Qe7 7.Qe2 Nd5 8.c4
Ba6 9.b3 g5 10.Bb2 Nf4 11.Qe3 Bg7 12.g3 Ng6 13.Bg2 Bxe5 14.Bxe5 Qxe5 15.
Qxe5+ Nxe5 16.O-O O-O-O 17.Nc3 g4 18.Ne4 d6 19.f4 gxf3 20.Bh3+ Kb8 21.Ng5 
f6 22.Nxf3 d5 23.Nxe5 fxe5 24.Rfe1 e4 25.Rad1 Rhe8 26.c5 h5 27.Rd4 Rf8 28.
Re3 Bc8 29.Bg2 Rf5 30.a3 Rdf8 31.Rd2 R5f6 32.Rc3 Bg4 33.Re3 Bf3 34.Bf1 h4 
35.Be2 Bxe2 36.Rdxe2 h3 37.Re1 Rf2 38.R3e2 Rxe2 39.Rxe2 Rf3 40.g4 Rf4 41.
Re3 Rxg4+ 42.Kf1 Rf4+ 43.Ke2 d4 44.Rxh3 e3 45.Rh8+ Kb7 46.Re8 Rf2+ 47.Kd3 
Rd2+ 48.Kc4 e2 49.h4 d3 50.h5 Rd1 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.6"]
[White "Benedetti, Julio"]
[Black "Melara, Moises"]
[Result "1-0"]
[WhiteElo "2313"]
[BlackElo "1772"]
[ECO "C02"]
[EventDate "2015.07.16"]
[PlyCount "129"]

1.e4 e6 2.d4 d5 3.e5 c5 4.dxc5 Bxc5 5.Qg4 Ne7 6.Qxg7 Rg8 7.Qxh7 Qb6 8.Nh3 
Nbc6 9.f4 Bd7 10.Nd2 O-O-O 11.Qd3 Kb8 12.Nb3 Nb4 13.Qe2 d4 14.a3 d3 15.
cxd3 Nxd3+ 16.Qxd3 Ba4 17.Nxc5 Rxd3 18.Nxd3 Qd4 19.Bd2 Nf5 20.Nhf2 Ne3 21.
Ke2 Bb5 22.Bxe3 Qxb2+ 23.Bd2 Qxa1 24.h4 Qxa3 25.Rh3 a5 26.h5 b6 27.h6 Rh8 
28.h7 Qa4 29.Ke3 Qc4 30.Ne4 Qd5 31.Nf6 Qb7 32.Rg3 Ka7 33.Rg8 Rxh7 34.Nxh7 
a4 35.Be2 a3 36.Bf3 Bc6 37.Nb4 Bxf3 38.gxf3 Qc7 39.Rd8 a2 40.Nxa2 Qxd8 41.
Ng5 Qd5 42.Nc3 Qc5+ 43.Kd3 Qe7 44.Nb5+ Ka6 45.Nd6 f6 46.Nge4 f5 47.Nc3 Qd7
48.Nb5 Qc6 49.Nd4 Qd5 50.Ne8 Kb7 51.Ng7 Qc5 52.Ngxe6 Qa3+ 53.Bc3 Qa6+ 54.
Kd2 Qa2+ 55.Ke3 Qa3 56.Nb5 Qb3 57.Ned4 Ka6 58.Nxb3 Kxb5 59.Nd4+ Kc4 60.e6 
Kxc3 61.e7 Kb2 62.e8=Q b5 63.Qxb5+ Kc1 64.Kd3 Kd1 65.Qb1# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.7"]
[White "Mendez, Alan Steven"]
[Black "Lopez Gonzalez, Abel Fabian"]
[Result "0-1"]
[WhiteElo "1744"]
[BlackElo "2251"]
[ECO "B80"]
[EventDate "2015.07.16"]
[PlyCount "52"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.f3 b5 8.Qd2 Nbd7
9.a3 Bb7 10.O-O-O Rc8 11.g4 Nb6 12.h4 Nfd7 13.Kb1 Ne5 14.Qe1 Nbc4 15.Bxc4 
Nxc4 16.Bc1 Qc7 17.Nce2 Qc5 18.Qb4 Qxb4 19.axb4 d5 20.exd5 Bxd5 21.Nf4 Bb7
22.Nd3 Be7 23.Rh3 O-O 24.b3 Nb6 25.Nc5 Nd5 26.Nd3 Nc3+ 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.8"]
[White "Arias, Daniel"]
[Black "Pinto, Alejandro"]
[Result "1-0"]
[WhiteElo "2242"]
[BlackElo "1728"]
[ECO "B33"]
[EventDate "2015.07.16"]
[PlyCount "101"]

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.c4 b4 12.Nc2 Rb8 13.b3 Bg5 14.g3 O-O 15.h4 
Bh6 16.Bg2 a5 17.O-O f5 18.exf5 Bxf5 19.Nde3 Ne7 20.Nxf5 Nxf5 21.Qd3 Qf6 
22.Rad1 Kh8 23.Be4 Rbd8 24.Bxf5 Qxf5 25.Qxf5 Rxf5 26.Rd5 g5 27.hxg5 Bxg5 
28.Rxa5 Rdf8 29.Rd5 R5f6 30.Nxb4 Be3 31.Kg2 Rxf2+ 32.Rxf2 Rxf2+ 33.Kh3 Bc5
34.Nd3 Rxa2 35.Nxc5 dxc5 36.Rxe5 Rb2 37.Rxc5 Rxb3 38.Rc7 Rb1 39.Kg4 Rg1 
40.c5 h5+ 41.Kh4 Rh1+ 42.Kg5 Rg1 43.Kh6 Kg8 44.Rg7+ Kf8 45.c6 h4 46.c7 Rc1
47.Kh7 hxg3 48.c8=Q+ Rxc8 49.Rg8+ Kf7 50.Rxc8 Kf6 51.Rg8 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.9"]
[White "Valencia, Oscar"]
[Black "Husbands, Orlando"]
[Result "1-0"]
[WhiteElo "1728"]
[BlackElo "2234"]
[ECO "D15"]
[EventDate "2015.07.16"]
[PlyCount "83"]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 a6 5.Bf4 dxc4 6.a4 Nd5 7.Bg3 Qa5 8.e4 Nxc3
9.Qd2 e6 10.bxc3 b5 11.Ne5 Be7 12.Be2 O-O 13.O-O Qd8 14.Rfd1 Bb7 15.Qb2 
Qc8 16.Rdb1 Ra7 17.Bxc4 Nd7 18.Nxd7 Qxd7 19.axb5 c5 20.Rd1 cxd4 21.Rxd4 
Qc8 22.bxa6 Ba8 23.Be2 Bc5 24.Rc4 Qc6 25.Ra5 Qb6 26.Rb5 Qxa6 27.Rcxc5 Bxe4
28.h3 h6 29.Rb4 Bd3 30.Bxd3 Qxd3 31.Rd4 Qg6 32.Qb6 Ra1+ 33.Kh2 Kh7 34.Qb7 
Rc1 35.Qe4 f5 36.Qe3 Rc2 37.Rc6 Rf6 38.Be5 Rf7 39.Rdd6 f4 40.Bxf4 Qf5 41.
Bg3 Rf6 42.Qd3 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.10"]
[White "Giron, Jorge Ernesto"]
[Black "Munoz, Randall"]
[Result "1-0"]
[WhiteElo "2223"]
[BlackElo "1706"]
[ECO "B90"]
[EventDate "2015.07.16"]
[PlyCount "57"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.f3 
Nbd7 9.Qd2 b5 10.O-O-O Rc8 11.g4 b4 12.Nd5 Bxd5 13.exd5 a5 14.Bb5 g6 15.h4
Qc7 16.Kb1 h5 17.g5 Ng8 18.f4 Bg7 19.fxe5 Bxe5 20.Bd4 f6 21.Rhe1 Kd8 22.
Bxd7 Kxd7 23.gxf6 a4 24.Nc5+ dxc5 25.Bxe5 Qd8 26.Qg5 Nh6 27.Qxg6 Qe8 28.
Qg5 Nf7 29.Qf5+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.11"]
[White "Santos, Oliver"]
[Black "Johnson, Joshua"]
[Result "0-1"]
[WhiteElo "1690"]
[BlackElo "2211"]
[ECO "C50"]
[EventDate "2015.07.16"]
[PlyCount "100"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.Nc3 d6 6.Be3 Bb6 7.h3 Be6 8.Bb5 Bd7
9.Qd2 Ba5 10.a3 Ne7 11.Bxd7+ Nxd7 12.b4 Bb6 13.g4 c6 14.d4 Ng6 15.Rd1 Qf6 
16.Ke2 exd4 17.Nxd4 Bxd4 18.Bxd4 Nde5 19.Qe3 h5 20.Rhg1 hxg4 21.hxg4 Rh3 
22.Rg3 Rh2 23.Rdg1 Qe6 24.Nd1 Qc4+ 25.Kd2 a5 26.Nb2 axb4 27.axb4 Qxb4+ 28.
Bc3 Qxb2 29.Bxb2 Nc4+ 30.Ke1 Nxe3 31.Rxe3 Ra2 32.Rb3 Ne5 33.Ke2 Ra4 34.
Rxb7 Rxe4+ 35.Kd1 Nf3 36.Rf1 Rxf2 37.Rh1 Nh2 38.Bxg7 Rxg4 39.Re1+ Kd8 40.
Bf6+ Rxf6 41.Ree7 Rg1+ 42.Kd2 Nf3+ 43.Kc3 Ne5 44.Ra7 Ra1 45.Rab7 Ra3+ 46.
Kb4 Ra1 47.Kc3 c5 48.Kb2 Ra6 49.Kc3 Ra3+ 50.Kb2 Nc4+ 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.12"]
[White "Jimenez Garcia, Emmanuel"]
[Black "Ruballo, Jose"]
[Result "1-0"]
[WhiteElo "2210"]
[BlackElo "1662"]
[ECO "E11"]
[EventDate "2015.07.16"]
[PlyCount "71"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 b6 5.a3 Bxd2+ 6.Qxd2 Bb7 7.e3 d6 8.b4 
Nbd7 9.Bb2 O-O 10.Be2 Ne4 11.Qc2 f5 12.O-O Rf6 13.d5 Rg6 14.Rad1 e5 15.Bd3
c6 16.Ne1 Qg5 17.f4 exf4 18.exf4 Qe7 19.Bxe4 Qxe4 20.Qxe4 fxe4 21.f5 Rh6 
22.Bc1 Rf6 23.Bg5 Rf7 24.dxc6 Bxc6 25.Rxd6 Ba4 26.Re6 Raf8 27.g4 Nf6 28.
Bxf6 Rxf6 29.Rxe4 g6 30.Re7 Bb3 31.c5 bxc5 32.bxc5 a6 33.Nf3 gxf5 34.Nd4 
Bc4 35.Rxf5 Rxf5 36.gxf5 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.13"]
[White "Rodriguez, Wilfredo"]
[Black "Singh, Vishnu"]
[Result "0-1"]
[WhiteElo "1631"]
[BlackElo "2200"]
[ECO "B03"]
[EventDate "2015.07.16"]
[PlyCount "66"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.Nf3 g6 6.Be3 Bg7 7.Nc3 dxe5 8.Nxe5 
O-O 9.Qd2 c6 10.O-O-O N8d7 11.Nxd7 Bxd7 12.Bh6 Be6 13.Bxg7 Kxg7 14.d5 cxd5
15.cxd5 Bd7 16.h4 h6 17.Qd4+ Kg8 18.g4 Qc7 19.Kb1 Rac8 20.Bd3 Nc4 21.Rhe1 
Qc5 22.Bxc4 Qxc4 23.Rxe7 Bxg4 24.Qxc4 Rxc4 25.Rde1 Bf5+ 26.Kc1 b5 27.Kd2 
b4 28.Ne4 Rd4+ 29.Ke3 Rxe4+ 30.Rxe4 Bxe4 31.Kd4 f5 32.Rd1 Bxd5 33.Ke5 Bxa2
0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.14"]
[White "Ampie, Mauro"]
[Black "Castillo, Ernesto"]
[Result "1-0"]
[WhiteElo "2193"]
[BlackElo "1616"]
[ECO "C41"]
[EventDate "2015.07.16"]
[PlyCount "47"]

1.e4 d6 2.d4 e5 3.Nf3 Bg4 4.dxe5 Bxf3 5.Qxf3 dxe5 6.Bc4 Qf6 7.Qb3 Bc5 8.
Be3 Bb6 9.Nc3 Ne7 10.O-O-O Nbc6 11.Nd5 Nxd5 12.exd5 Bxe3+ 13.fxe3 Nd8 14.
d6 Kd7 15.Rhf1 Qg6 16.Bxf7 Qxg2 17.Be6+ Ke8 18.dxc7 Rf8 19.Bd7+ Ke7 20.
cxd8=Q+ Kxd8 21.Rxf8+ Kc7 22.Rxa8 b6 23.Rc8+ Kb7 24.Bc6+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.15"]
[White "Lemus, Hector"]
[Black "Squella Lavin, Carlos Felipe"]
[Result "0-1"]
[WhiteElo "1616"]
[BlackElo "2183"]
[ECO "C02"]
[EventDate "2015.07.16"]
[PlyCount "54"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.f4 Nc6 6.Nf3 Nh6 7.Bd3 Bd7 8.O-O cxd4 
9.cxd4 Nxd4 10.Kh1 Nxf3 11.Qxf3 g6 12.Nc3 Be7 13.Rb1 Nf5 14.Bxf5 gxf5 15.
Rd1 Bc6 16.Qd3 Rg8 17.Ne2 Bb5 18.Qf3 Bc5 19.Ng3 O-O-O 20.Nh5 d4 21.Ng3 Bc6
22.Qf1 h5 23.Rd2 h4 24.Nh5 Rxg2 25.Rxg2 h3 26.Qd3 hxg2+ 27.Kg1 Be4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.16"]
[White "Carrera Gonzalez, Enmanuel"]
[Black "Garcia, Daniel Alejandro"]
[Result "1-0"]
[WhiteElo "2171"]
[BlackElo "1375"]
[ECO "D05"]
[EventDate "2015.07.16"]
[PlyCount "37"]

1.d4 d5 2.Nf3 e6 3.e3 c5 4.Bd3 Nf6 5.b3 Nc6 6.Bb2 Be7 7.O-O b6 8.Ne5 Bb7 
9.Nd2 O-O 10.f4 Rc8 11.a3 a6 12.Rf3 b5 13.Rh3 g6 14.dxc5 Bxc5 15.Nd7 Nxd7 
16.Qh5 Bxe3+ 17.Kh1 Nf6 18.Bxf6 Qxf6 19.Qxh7# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.17"]
[White "Ariza, Luis"]
[Black "Solano Cuya, Bryan"]
[Result "0-1"]
[BlackElo "2149"]
[ECO "B04"]
[EventDate "2015.07.16"]
[PlyCount "104"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 dxe5 5.dxe5 Bg4 6.Bc4 c6 7.h3 Bxf3 8.Qxf3 
e6 9.Nc3 Nd7 10.Bxd5 cxd5 11.Bf4 Bb4 12.a3 Bxc3+ 13.Qxc3 O-O 14.O-O Rc8 
15.Qd2 Qc7 16.Rac1 Nb6 17.Rfe1 Nc4 18.Qc3 Qb6 19.Rb1 Qa5 20.Qg3 Kh8 21.Qd3
Nxb2 22.Qb3 Nc4 23.Qxb7 Rc7 24.Qb8 Kg8 25.Qb5 Qxb5 26.Rxb5 Nxa3 27.Rb3 
Nxc2 28.Reb1 h6 29.Rg3 Nd4 30.Kf1 Kh7 31.Ra1 Rfc8 32.Rga3 Nc2 33.Rxa7 Nxa1
34.Rxa1 g5 35.Be3 Kg6 36.g4 Rc4 37.Kg2 Re4 38.Rd1 Rxe5 39.Bd4 Re4 40.Be3 
h5 41.gxh5+ Kxh5 42.Kf3 f5 43.Rb1 Rc3 44.Kg2 Rc2 45.Kf3 d4 46.h4 dxe3 47.
fxe3 g4+ 48.Kg3 Rxe3+ 49.Kf4 Rce2 50.Rf1 Kg6 51.h5+ Kf6 52.h6 e5# 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.18"]
[White "Lopez Raygoza, Luis Albert"]
[Black "Deras, Rafael"]
[Result "1-0"]
[WhiteElo "2138"]
[ECO "C65"]
[EventDate "2015.07.16"]
[PlyCount "71"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.Bxc6 dxc6 5.d3 Bc5 6.O-O Bg4 7.Nbd2 O-O 8.h3
Bh5 9.Re1 b5 10.Nf1 Qd6 11.Ng3 Bg6 12.Nh4 Rad8 13.Qf3 Qe7 14.Bg5 Rd6 15.
Nhf5 Bxf5 16.Nxf5 Qd8 17.Nxd6 cxd6 18.Rad1 Qa5 19.Bxf6 gxf6 20.a3 Qd8 21.
c3 Qb6 22.b4 Bxf2+ 23.Qxf2 Qxf2+ 24.Kxf2 Ra8 25.Ke3 Kg7 26.Rf1 a5 27.Rf2 
a4 28.Rdf1 Re8 29.Rxf6 Re6 30.Rxf7+ Kg6 31.g4 h6 32.h4 d5 33.R1f5 d4+ 34.
cxd4 exd4+ 35.Kf4 c5 36.h5# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.19"]
[White "Echeverria, Carlos Enrique"]
[Black "Puppi Lazo, Jorge Luis"]
[Result "0-1"]
[BlackElo "2111"]
[ECO "B40"]
[EventDate "2015.07.16"]
[PlyCount "66"]

1.e4 c5 2.Nf3 e6 3.Nc3 Nc6 4.Bc4 Nf6 5.O-O d5 6.exd5 exd5 7.Bb3 Bg4 8.h3 
Bh5 9.d3 Be7 10.Bg5 O-O 11.Bxf6 Bxf6 12.Bxd5 Bxc3 13.Bxc6 Bxb2 14.Rb1 Qf6 
15.Bxb7 Rab8 16.Be4 Qd6 17.g4 f5 18.gxh5 fxe4 19.Nh4 e3 20.Qg4 exf2+ 21.
Rxf2 Rxf2 22.Kxf2 Bd4+ 23.Ke2 Rxb1 24.Nf3 Qe7+ 25.Qe4 Qxe4+ 26.dxe4 Rb2 
27.Nxd4 cxd4 28.Kd3 Rxa2 29.Kxd4 Rxc2 30.e5 a5 31.e6 Kf8 32.Kd5 Ke7 33.Ke5
a4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.20"]
[White "Guzman, Oswaldo"]
[Black "Perez, Denys"]
[Result "1-0"]
[WhiteElo "2066"]
[ECO "B38"]
[EventDate "2015.07.16"]
[PlyCount "67"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 e6 7.Nc3 Nge7 8.Be2 
d6 9.Ndb5 Bxc3+ 10.Nxc3 O-O 11.Qd2 Kh8 12.O-O e5 13.Rad1 f5 14.f3 f4 15.
Bf2 Rf6 16.c5 Qg8 17.cxd6 Nf5 18.exf5 gxf5 19.d7 Bxd7 20.Qxd7 Rd8 21.Qc7 
Rf7 22.Rxd8 Rxc7 23.Rxg8+ Kxg8 24.Rd1 Kg7 25.Nb5 Rf7 26.Nxa7 Nxa7 27.Bxa7 
h5 28.Rd5 Rc7 29.Rxe5 Kg6 30.Bd4 Kg5 31.h4+ Kxh4 32.Rxf5 Rc1+ 33.Kh2 Rf1 
34.Bf6# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.21"]
[White "Rodriguez, Andres"]
[Black "Ulloa, Ruben Guillermo"]
[Result "0-1"]
[BlackElo "2016"]
[ECO "A16"]
[EventDate "2015.07.16"]
[PlyCount "60"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.e4 Nxc3 5.bxc3 g6 6.Bb2 Bg7 7.Nf3 O-O 8.h3
c5 9.d4 Nc6 10.Bc4 Qc7 11.Qd2 cxd4 12.cxd4 Nxd4 13.Rc1 Nxf3+ 14.gxf3 Qb6 
15.Bxg7 Kxg7 16.Qc3+ Qf6 17.Qxf6+ Kxf6 18.Rc3 Ke5 19.Bb3 b6 20.Ke2 Kf4 21.
Rc7 Ba6+ 22.Ke1 Rac8 23.Rxc8 Rxc8 24.Kd2 Rd8+ 25.Kc3 Rd3+ 26.Kb4 Rxf3 27.
Bxf7 Rxf2 28.Bd5 Bf1 29.a4 Rf3 30.e5 a5# 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.22"]
[White "Hernandez, Diego"]
[Black "Salazar, David"]
[Result "1-0"]
[WhiteElo "1950"]
[ECO "C55"]
[EventDate "2015.07.16"]
[PlyCount "53"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Qe2 d6 5.c3 Bg4 6.d3 a6 7.Bb3 b5 8.Nbd2 Nh5 
9.Nf1 Nf4 10.Bxf4 exf4 11.h3 Bh5 12.g4 Bg6 13.Qd2 Ne5 14.Nxe5 dxe5 15.Nh2 
Bd6 16.Nf3 O-O 17.h4 h6 18.O-O-O Qd7 19.h5 Qxg4 20.hxg6 Qxf3 21.gxf7+ Kh8 
22.Qe1 a5 23.Qg1 Kh7 24.Be6 Be7 25.Bf5+ Kh8 26.Qg6 Rxf7 27.Qh7# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.16"]
[Round "1.23"]
[White "Ventura, Ismael Emerson"]
[Black "Garcia Flores, Aristides"]
[Result "1/2-1/2"]
[ECO "C01"]
[EventDate "2015.07.16"]
[PlyCount "71"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d3 Nf6 6.Nc3 d5 7.d4 Nc6 8.Bd3 
Bd6 9.h3 O-O 10.Be3 Re8 11.Qd2 Bd7 12.O-O h6 13.a3 Ne4 14.Qe1 Nxc3 15.bxc3
Rb8 16.c4 dxc4 17.Bxc4 Bf4 18.Qc3 Qf6 19.Rfe1 Bxe3 20.Rxe3 Rxe3 21.Qxe3 
Re8 22.Qd3 Bf5 23.Qc3 Qg6 24.Rc1 Bxh3 25.Nh4 Qg5 26.Rb1 Qxh4 27.Qxh3 Qxh3 
28.gxh3 b6 29.Bb5 Re6 30.d5 Rg6+ 31.Kf1 Ne7 32.Bd3 Rg5 33.Re1 Ng6 34.c4 
Rh5 35.Bxg6 fxg6 36.Kg2 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.1"]
[White "Escalante Ramirez, Brian Sebas"]
[Black "Ampie, Mauro"]
[Result "1-0"]
[WhiteElo "2389"]
[BlackElo "2193"]
[ECO "B47"]
[EventDate "2015.07.16"]
[PlyCount "57"]

1.e4 c5 2.Nf3 e6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 Qc7 6.Ndb5 Qb8 7.Be3 a6 8.Bb6 
axb5 9.Nxb5 Bb4+ 10.c3 Ba5 11.Nc7+ Qxc7 12.Bxc7 Bxc7 13.Qg4 Kf8 14.Bb5 Nf6
15.Qe2 d5 16.exd5 exd5 17.O-O g6 18.f3 Bb6+ 19.Kh1 h5 20.h4 Kg7 21.Rfe1 
Bf5 22.a4 Rhd8 23.b4 d4 24.a5 Bc7 25.a6 dxc3 26.axb7 Rxa1 27.Rxa1 Nd4 28.
Qe7 Nxb5 29.Qxd8 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.2"]
[White "Cori Quispe, Kevin"]
[Black "Carrera Gonzalez, Enmanuel"]
[Result "1-0"]
[WhiteElo "2369"]
[BlackElo "2171"]
[ECO "C55"]
[EventDate "2015.07.16"]
[PlyCount "93"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.c3 O-O 6.O-O d6 7.Bb3 Bg4 8.h3 Bh5 
9.Nbd2 Kh8 10.Re1 Qd7 11.Nf1 Na5 12.Bc2 c5 13.Ng3 Bg6 14.d4 cxd4 15.cxd4 
Nc6 16.d5 Nb4 17.Bb1 Bd8 18.a3 Na6 19.Bg5 Nh5 20.Bxd8 Qxd8 21.Nxh5 Bxh5 
22.g4 Bg6 23.b4 Rc8 24.Qd2 Qb6 25.Bd3 f6 26.Rac1 Kg8 27.Qe2 Nb8 28.Nd2 Qd8
29.Qe3 b6 30.Bb5 a6 31.Bd3 b5 32.Nb3 Rf7 33.Kg2 Rfc7 34.Rxc7 Qxc7 35.Rc1 
Qb7 36.Rxc8+ Qxc8 37.Qb6 Qf8 38.Na5 h5 39.Qc7 hxg4 40.hxg4 Kh7 41.Nb7 Bf7 
42.Nxd6 Bg8 43.Nf5 Kg6 44.Be2 Bf7 45.Ne7+ Kh6 46.Qc1+ Kh7 47.Qh1+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.3"]
[White "Singh, Vishnu"]
[Black "Tang, Andrew"]
[Result "0-1"]
[WhiteElo "2200"]
[BlackElo "2365"]
[ECO "D31"]
[EventDate "2015.07.16"]
[PlyCount "76"]

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.cxd5 exd5 5.Bf4 c6 6.e3 Bf5 7.g4 Be6 8.h4 Nd7 
9.g5 h6 10.g6 Ngf6 11.gxf7+ Bxf7 12.Nf3 Nh5 13.Be5 O-O 14.Bd3 Nhf6 15.Rg1 
Bh5 16.Bf4 Kh8 17.Be2 Qa5 18.Ne5 Nxe5 19.dxe5 Bxe2 20.Qxe2 Bb4 21.Rc1 Ne8 
22.Bxh6 gxh6 23.Qh5 Qc7 24.Qxh6+ Qh7 25.Qe6 Ng7 26.Qg4 Bxc3+ 27.bxc3 Rae8 
28.f4 Nf5 29.Kd2 Re6 30.h5 Rh6 31.Qf3 Rxh5 32.Rh1 Rh2+ 33.Rxh2 Qxh2+ 34.
Kd3 c5 35.c4 dxc4+ 36.Kc3 Ng3 37.Rd1 b5 38.Rd7 Ne2+ 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.4"]
[White "Chavez Estevez, Hayler David"]
[Black "Lopez Raygoza, Luis Albert"]
[Result "1-0"]
[WhiteElo "2347"]
[BlackElo "2138"]
[ECO "A06"]
[EventDate "2015.07.16"]
[PlyCount "61"]

1.Nf3 Nf6 2.b3 d5 3.Bb2 e6 4.g3 c5 5.Bg2 Nc6 6.d3 Be7 7.O-O O-O 8.Nbd2 Re8
9.e4 d4 10.e5 Nd5 11.a4 b6 12.Qe2 Bb7 13.h4 a6 14.Rfe1 h6 15.Nf1 Bf8 16.
N1h2 Nce7 17.h5 Nf5 18.Bc1 b5 19.Bd2 Qe7 20.Qf1 Rec8 21.axb5 axb5 22.Rxa8 
Rxa8 23.Ra1 Qd8 24.g4 Rxa1 25.Qxa1 Nfe7 26.Nf1 Nc6 27.Ng3 Qb8 28.Qe1 Ndb4 
29.g5 hxg5 30.Nxg5 Nd5 31.Qe4 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.5"]
[White "Squella Lavin, Carlos Felipe"]
[Black "Benedetti, Julio"]
[Result "0-1"]
[WhiteElo "2183"]
[BlackElo "2313"]
[ECO "E62"]
[EventDate "2015.07.16"]
[PlyCount "82"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 d6 6.Nf3 c6 7.O-O Qb6 8.h3 Qa6 
9.b3 b5 10.Nd2 Bb7 11.a4 b4 12.Nce4 Nh5 13.e3 c5 14.Bb2 cxd4 15.Bxd4 Nc6 
16.Bxg7 Nxg7 17.g4 Rfd8 18.Qf3 Na5 19.Qf4 Ne6 20.Qh6 d5 21.cxd5 Bxd5 22.f4
Nf8 23.f5 Kh8 24.f6 exf6 25.Nxf6 Qe6 26.Bxd5 Rxd5 27.Nxd5 Qxd5 28.e4 Qd4+ 
29.Kg2 Rd8 30.Rad1 Kg8 31.Qf4 Qg7 32.Qc7 Rd3 33.Nf3 Rxd1 34.Rxd1 Nxb3 35.
e5 Ne6 36.Qb7 Qf8 37.Qe4 a5 38.Rd5 Nbc5 39.Qe3 b3 40.Nd4 Qa8 41.Qf3 Qxd5 
0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.6"]
[White "Lopez Gonzalez, Abel Fabian"]
[Black "Guzman, Oswaldo"]
[Result "1-0"]
[WhiteElo "2251"]
[BlackElo "2066"]
[ECO "B80"]
[EventDate "2015.07.16"]
[PlyCount "69"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.f3 b5 8.Qd2 Nbd7
9.O-O-O Bb7 10.g4 Nb6 11.g5 Nfd7 12.Qg2 Rc8 13.g6 Rxc3 14.gxf7+ Kxf7 15.
Qg4 Nc5 16.bxc3 Nba4 17.Nxb5 axb5 18.Bxb5 Nxc3 19.Qh5+ g6 20.Qxc5 dxc5 21.
Rxd8 Nxb5 22.Rd7+ Kf6 23.Rxb7 Nd6 24.Rd7 Nc4 25.Bd2 Bd6 26.Rxd6 Nxd6 27.
e5+ Kf5 28.exd6 Rd8 29.Rg1 e5 30.Rg5+ Kf6 31.f4 e4 32.Bc3+ Ke6 33.Rxc5 
Kxd6 34.Re5 Ra8 35.a3 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.7"]
[White "Solano Cuya, Bryan"]
[Black "Arias, Daniel"]
[Result "0-1"]
[WhiteElo "2149"]
[BlackElo "2242"]
[ECO "E97"]
[EventDate "2015.07.16"]
[PlyCount "86"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.b4 Nh5 10.g3 a5 11.bxa5 Rxa5 12.a4 b6 13.Ba3 f5 14.Nd2 f4 15.Bb4 Ra8 16.
Bg4 Nf6 17.Bxc8 Qxc8 18.Kg2 g5 19.f3 g4 20.Ne2 Ng6 21.Bc3 gxf3+ 22.Rxf3 
Ng4 23.Qg1 fxg3 24.hxg3 Bh6 25.Qh1 Qd7 26.Ng1 Rxa4 27.Rxa4 Qxa4 28.Qh5 Qd7
29.Nf1 Qc8 30.Rf5 Ne3+ 31.Nxe3 Bxe3 32.Nf3 Qd8 33.Kf1 Kg7 34.Ke2 Bh6 35.
Kd1 Qa8 36.g4 Qa4+ 37.Ke1 Qxc4 38.Rxf8 Qxc3+ 39.Kf2 Be3+ 40.Kg3 Nxf8 41.g5
Qc2 42.Qh6+ Kg8 43.Nh4 Qxe4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.8"]
[White "Puppi Lazo, Jorge Luis"]
[Black "Giron, Jorge Ernesto"]
[Result "1-0"]
[WhiteElo "2111"]
[BlackElo "2223"]
[ECO "B87"]
[EventDate "2015.07.16"]
[PlyCount "115"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.O-O Be7
9.Qf3 Qc7 10.Qg3 O-O 11.Bh6 Ne8 12.Rad1 Kh8 13.Be3 Nf6 14.a3 Nc6 15.f3 Na5
16.Rfe1 Nxb3 17.Nxb3 Bb7 18.Qf2 Nd7 19.Bd4 Bf6 20.Bxf6 Nxf6 21.e5 dxe5 22.
Qc5 Rac8 23.Qxe5 Nd5 24.Qxc7 Rxc7 25.Nxd5 Bxd5 26.Nd4 Rb8 27.c3 a5 28.Rd2 
g6 29.Nc2 Kg7 30.Kf2 h5 31.Ree2 Kf6 32.Rd4 Bb3 33.Ne3 b4 34.axb4 axb4 35.
cxb4 Rcb7 36.Nc2 Bxc2 37.Rxc2 Rxb4 38.Rxb4 Rxb4 39.Ke3 Ke5 40.Kd3 Kd5 41.
Kc3 Rc4+ 42.Kd3 Rxc2 43.Kxc2 Kc4 44.h4 e5 45.b3+ Kd4 46.Kd2 f6 47.Kc2 g5 
48.hxg5 fxg5 49.Kd2 h4 50.b4 e4 51.Ke2 Ke5 52.b5 Kf4 53.b6 exf3+ 54.gxf3 
Kg3 55.Kf1 h3 56.b7 Kxf3 57.b8=Q g4 58.Qh2 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.9"]
[White "Johnson, Joshua"]
[Black "Hernandez, Diego"]
[Result "1-0"]
[WhiteElo "2211"]
[BlackElo "1950"]
[ECO "B63"]
[EventDate "2015.07.16"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 h6 8.Bh4 
Nxe4 9.Bxd8 Nxd2 10.Kxd2 Nxd4 11.Bh4 a6 12.f4 Bd7 13.Bf2 Nf5 14.Bd3 Ne7 
15.Rhe1 O-O-O 16.Bb6 Re8 17.b4 g5 18.Bd4 Rg8 19.Bh7 gxf4 20.Bxg8 Nxg8 21.
a4 Bc6 22.g3 e5 23.Bf2 fxg3 24.hxg3 Nf6 25.b5 Bf3 26.bxa6 bxa6 27.Rab1 d5 
28.Rb6 Ng4 29.Bg1 a5 30.Nb5 Rd8 31.Rf1 e4 32.Nd4 Ne5 33.Ra6 Nc4+ 34.Ke1 
Bb4+ 35.Kf2 Bc5 36.Rc6+ Kb7 37.Rxc5 Bg4 38.Rb1+ Ka8 39.Ke1 h5 40.Rc7 Nd6 
41.Nc6 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.10"]
[White "Ulloa, Ruben Guillermo"]
[Black "Jimenez Garcia, Emmanuel"]
[Result "0-1"]
[WhiteElo "2016"]
[BlackElo "2210"]
[ECO "E62"]
[EventDate "2015.07.16"]
[PlyCount "92"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Na6 7.O-O c5 8.d5 Nc7 
9.e4 Rb8 10.a4 e5 11.Ne1 a6 12.a5 b5 13.axb6 Rxb6 14.Nd3 Nd7 15.Be3 Rb8 
16.Na4 a5 17.Nc3 Na6 18.Nb5 Nb6 19.Qb3 Bd7 20.Nxd6 Nxd5 21.Qa3 Nxe3 22.
fxe3 Be6 23.Nxc5 Qxd6 24.Nxa6 Qxa6 25.b4 Bxc4 26.Rfb1 Bh6 27.bxa5 Bd3 28.
Re1 Rfd8 29.Qe7 Bf8 30.Qg5 h6 31.Qg4 Bb4 32.Red1 Bc3 33.Ra3 Be2 34.Rxd8+ 
Rxd8 35.Bf3 Rd1+ 36.Kg2 Bxf3+ 37.Qxf3 Rd2+ 38.Kh3 Bxa5 39.g4 Qb6 40.Qf1 
Rxh2+ 41.Kg3 Rd2 42.Qa1 Qf6 43.Qg1 Bd8 44.Ra8 Qh4+ 45.Kf3 h5 46.gxh5 Qxh5+
0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.11"]
[White "Santiago Vilca, Christian"]
[Black "Valencia, Oscar"]
[Result "1-0"]
[WhiteElo "1922"]
[BlackElo "1728"]
[ECO "E91"]
[EventDate "2015.07.16"]
[PlyCount "70"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Nc6 7.d5 Nb8 8.O-O c6 
9.h3 Nbd7 10.Be3 a5 11.Qd2 a4 12.Nd4 Nc5 13.dxc6 Nfxe4 14.Nxe4 Nxe4 15.Qc2
Nc5 16.Bf3 e5 17.cxb7 Bxb7 18.Bxb7 Nxb7 19.Nb5 d5 20.cxd5 Qxd5 21.Nc7 Rfc8
22.Qxa4 Qxg2+ 23.Kxg2 Rxa4 24.Nd5 Rc2 25.Rfc1 Rac4 26.Rxc2 Rxc2 27.a4 Nc5 
28.b4 e4 29.Ra3 Nd3 30.a5 Rb2 31.a6 Be5 32.a7 Ne1+ 33.Kf1 Nf3 34.a8=Q+ Kg7
35.Nc3 Re2 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.12"]
[White "Garcia Flores, Aristides"]
[Black "Hernandez Sanchez, Jairo Andre"]
[Result "0-1"]
[BlackElo "2381"]
[ECO "B33"]
[EventDate "2015.07.16"]
[PlyCount "60"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb3 Nf6 6.Nc3 Bb4 7.Bd3 d5 8.exd5 
Nxd5 9.Bd2 Nxc3 10.bxc3 Bd6 11.O-O O-O 12.Re1 Be6 13.Rb1 Rc8 14.h3 Ne7 15.
Be4 b6 16.Qf3 f5 17.Bb7 Rc7 18.Ba6 Bd5 19.Qd1 h6 20.a4 Rf6 21.f3 Rg6 22.
Bd3 Qa8 23.Rf1 Rf6 24.Be2 f4 25.Nc1 Nf5 26.Nd3 Rg6 27.Rf2 Nh4 28.Ne1 Bc5 
29.Kf1 Bxf2 30.Kxf2 Qc6 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.13"]
[White "Husbands, Orlando"]
[Black "Ventura, Ismael Emerson"]
[Result "1-0"]
[WhiteElo "2234"]
[ECO "C55"]
[EventDate "2015.07.16"]
[PlyCount "63"]

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 Bc5 10.f3 Ng5 11.f4 Ne6 12.c3 Qe7 13.f5 Nxd4 14.cxd4 Bb6 15.Nc3
Bc8 16.Be3 Ba6 17.Qa4 Bb7 18.Nxd5 Qd7 19.Nc3 O-O-O 20.Rad1 g6 21.f6 h5 22.
Qc4 Rh7 23.Ne4 h4 24.Ng5 Qg4 25.h3 Qh5 26.Nxf7 Rd7 27.e6 Rd5 28.e7 Kd7 29.
Ne5+ Ke8 30.Nxc6 Rf5 31.Qg8+ Kd7 32.e8=Q+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.14"]
[White "Castillo, Ernesto"]
[Black "Hernandez, Mauricio Daniel"]
[Result "0-1"]
[WhiteElo "1616"]
[BlackElo "1926"]
[ECO "C54"]
[EventDate "2015.07.16"]
[PlyCount "84"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.O-O d6 6.b4 Bb6 7.Qb3 O-O 8.Bxf7+ 
Rxf7 9.Ng5 Qe7 10.d3 Be6 11.Nxe6 h6 12.h3 Re8 13.Kh1 Qxe6 14.Qxe6 Rxe6 15.
f4 Nh5 16.f5 Ng3+ 17.Kh2 Nxf1+ 18.Kh1 Re8 19.g4 Ng3+ 20.Kg2 Ne2 21.Bd2 
Nxb4 22.cxb4 Bd4 23.Kf3 Ng1+ 24.Kg2 Bxa1 25.Kxg1 Bd4+ 26.Kg2 b5 27.Na3 a6 
28.Nc2 c5 29.Nxd4 cxd4 30.a3 Rc7 31.Kf3 Rc2 32.Be1 Rec8 33.Bh4 R8c3 34.g5 
h5 35.Bf2 Rxd3+ 36.Kg2 Rdd2 37.Kg3 Rxf2 38.Kh4 d3 39.Kxh5 d2 40.f6 d1=Q+ 
41.Kg6 Rxf6+ 42.gxf6 Qf3 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.15"]
[White "Garcia, Daniel Alejandro"]
[Black "Ortiz Perez, Carlos"]
[Result "0-1"]
[WhiteElo "1375"]
[BlackElo "1901"]
[ECO "E21"]
[EventDate "2015.07.16"]
[PlyCount "52"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.Nc3 Bb4 5.Qc2 Bb7 6.e3 Ne4 7.a3 Bxc3+ 8.bxc3 
O-O 9.Be2 d6 10.O-O Nd7 11.Nd2 f5 12.f3 Ng5 13.Bb2 Qf6 14.e4 f4 15.c5 bxc5
16.dxc5 Nxc5 17.c4 e5 18.Nb3 Nge6 19.Nd2 Bc6 20.Nb1 Ba4 21.Qc3 Nd4 22.Bd3 
Rab8 23.Nd2 Nxd3 24.Qxd3 Rxb2 25.c5 Bb5 26.Nc4 Rb3 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.16"]
[White "Colorado, Efrain"]
[Black "Rodriguez, Wilfredo"]
[Result "1-0"]
[WhiteElo "1841"]
[BlackElo "1631"]
[ECO "C78"]
[EventDate "2015.07.16"]
[PlyCount "47"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.Qe2 d6 8.c3 Be6 
9.Bc2 O-O 10.d3 Qe7 11.h3 h6 12.Rd1 d5 13.Nbd2 Rad8 14.Nb3 dxe4 15.dxe4 
Bc4 16.Qe1 Rxd1 17.Bxd1 Bb6 18.Bc2 Rd8 19.Be3 Bd3 20.Rc1 Rd7 21.Bxd3 Rxd3 
22.Qe2 Qd6 23.Bxb6 cxb6 24.Ne1 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.17"]
[White "Deras, Rafael"]
[Black "De Leon, Gabriel"]
[Result "0-1"]
[BlackElo "1804"]
[ECO "C68"]
[EventDate "2015.07.16"]
[PlyCount "50"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Bd6 6.d3 h6 7.b3 Ne7 8.Bb2 
Ng6 9.Nbd2 O-O 10.Nc4 Re8 11.Re1 Qf6 12.d4 Bg4 13.dxe5 Nxe5 14.Re3 Bxf3 
15.gxf3 Qg5+ 16.Kf1 Nxc4 17.bxc4 Bxh2 18.Ke2 Be5 19.Rb1 Bxb2 20.Rxb2 b5 
21.Qd7 Qc5 22.Rc3 Rad8 23.Qxc7 Qd4 24.Rcb3 Qd1+ 25.Ke3 Qd2# 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.18"]
[White "Melara, Moises"]
[Black "Lemus, Hector"]
[Result "0-1"]
[WhiteElo "1772"]
[BlackElo "1616"]
[ECO "B21"]
[EventDate "2015.07.16"]
[PlyCount "142"]

1.e4 c5 2.d3 Nc6 3.f4 g6 4.Nf3 Bg7 5.g3 Nf6 6.Bg2 e6 7.Nbd2 O-O 8.c3 d5 9.
e5 Ne8 10.d4 cxd4 11.cxd4 f6 12.Nb3 b6 13.O-O Ba6 14.Rf2 Bc4 15.Bd2 Nc7 
16.Bc3 Nb5 17.Nfd2 Bxb3 18.Nxb3 fxe5 19.dxe5 Rc8 20.Rd2 Rf7 21.a4 Nc7 22.
Qg4 Qd7 23.Rad1 Ne7 24.Nd4 Nf5 25.Qe2 Qxa4 26.Nxe6 Nxe6 27.Bxd5 Re7 28.g4 
Nh6 29.Rd4 Qe8 30.Bb4 Rec7 31.Bb3 Nf7 32.Re4 a5 33.Bd6 Rc1 34.Kf2 Rxd1 35.
Qxd1 Rd8 36.Qd5 Nc5 37.Re3 Nxb3 38.Qxb3 Rxd6 39.exd6 Bd4 40.h3 Qxe3+ 41.
Qxe3 Bxe3+ 42.Kxe3 Nxd6 43.Kd4 Kf7 44.Kd5 Ke7 45.Kc6 b5 46.Kd5 a4 47.Kc5 
h5 48.f5 hxg4 49.hxg4 g5 50.Kd5 b4 51.Kd4 a3 52.bxa3 bxa3 53.Kc3 Kf6 54.
Kb3 Ke5 55.Kxa3 Kf4 56.Kb4 Kxg4 57.f6 Kf5 58.Kc3 Kxf6 59.Kd2 Kf5 60.Ke1 
Kf4 61.Kf2 g4 62.Kg2 g3 63.Kg1 Kf3 64.Kf1 g2+ 65.Kg1 Nb5 66.Kh2 Kf2 67.Kh3
g1=Q 68.Kh4 Kf3 69.Kh5 Kf4 70.Kh6 Qg8 71.Kh5 Qg5# 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.19"]
[White "Perez, Denys"]
[Black "Mendez, Alan Steven"]
[Result "0-1"]
[BlackElo "1744"]
[ECO "B90"]
[EventDate "2015.07.16"]
[PlyCount "76"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nf3 Be7 8.Be2 
O-O 9.O-O Qc7 10.Qd2 Be6 11.Ng5 Bc4 12.Bxc4 Qxc4 13.f4 h6 14.fxe5 dxe5 15.
b3 Qc7 16.Nf3 Rd8 17.Qf2 Qxc3 18.Qe1 Qxe1 19.Rfxe1 Nc6 20.c3 Rd3 21.Bd2 
Rad8 22.h3 Rxd2 23.Nxd2 Rxd2 24.a3 Rd3 25.c4 Rxb3 26.Reb1 Rxb1+ 27.Rxb1 
Na5 28.a4 Nxe4 29.Re1 f5 30.g4 g6 31.Kg2 Nxc4 32.Rc1 b5 33.axb5 axb5 34.
Kf3 Kf7 35.gxf5 gxf5 36.h4 Ncd2+ 37.Ke2 b4 38.Rc4 Nxc4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.20"]
[White "Pinto, Alejandro"]
[Black "Ariza, Luis"]
[Result "1-0"]
[WhiteElo "1728"]
[ECO "A07"]
[EventDate "2015.07.16"]
[PlyCount "57"]

1.Nf3 d5 2.g3 Nc6 3.Bg2 e5 4.d3 Be6 5.O-O Nf6 6.Nbd2 Qd7 7.c3 Be7 8.Ng5 
O-O-O 9.b4 h5 10.Ndf3 Nh7 11.b5 Nb8 12.Nxe5 Qe8 13.Nxe6 fxe6 14.Qa4 Bf6 
15.d4 a6 16.Rb1 Bxe5 17.dxe5 Qg6 18.bxa6 Nxa6 19.Qb5 Nc5 20.Ba3 Ne4 21.
Qxb7+ Kd7 22.Qb5+ Kc8 23.Qa6+ Kd7 24.Qb5+ Kc8 25.Qc6 h4 26.Rb7 Qf7 27.Qb5 
c6 28.Qxc6+ Qc7 29.Qxc7# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.21"]
[White "Munoz, Randall"]
[Black "Echeverria, Carlos Enrique"]
[Result "1-0"]
[WhiteElo "1706"]
[ECO "D30"]
[EventDate "2015.07.16"]
[PlyCount "61"]

1.d4 d5 2.c4 c6 3.Nf3 Nd7 4.e3 Ngf6 5.Bd3 e6 6.Nbd2 b6 7.b3 Bb7 8.Bb2 Qc7 
9.Rc1 Bd6 10.h3 O-O 11.O-O Rfe8 12.Re1 c5 13.e4 dxe4 14.Nxe4 Nxe4 15.Bxe4 
Bxe4 16.Rxe4 e5 17.dxe5 Bxe5 18.Nxe5 Nxe5 19.Qd5 Ng6 20.Rce1 Kf8 21.Rxe8+ 
Rxe8 22.Bxg7+ Kxg7 23.Rxe8 h6 24.g3 Ne7 25.Qd8 Qxd8 26.Rxd8 Nc6 27.Rd7 a5 
28.Rd6 Nb4 29.a3 Nc2 30.Rxb6 Nxa3 31.Ra6 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.22"]
[White "Salazar, David"]
[Black "Santos, Oliver"]
[Result "0-1"]
[BlackElo "1690"]
[ECO "C68"]
[EventDate "2015.07.16"]
[PlyCount "100"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.d3 Bd6 6.O-O Be6 7.Be3 Ne7 8.Nbd2
Ng6 9.c4 b6 10.a3 c5 11.Re1 O-O 12.Nf1 Nf4 13.Ng3 Bg4 14.h3 Bxf3 15.Qxf3 
Nxd3 16.Re2 Nf4 17.Rd2 Qf6 18.Nf5 Ng6 19.Nxd6 Qxf3 20.gxf3 cxd6 21.Rxd6 
Rab8 22.Kg2 f5 23.exf5 Nh4+ 24.Kf1 Nxf3 25.b4 Nd4 26.bxc5 bxc5 27.Rd5 Nc2 
28.Ra2 Nxe3+ 29.fxe3 Rxf5+ 30.Rf2 Rb1+ 31.Kg2 Rg5+ 32.Kh2 h6 33.Rxc5 Rb3 
34.Rc8+ Kh7 35.c5 Rxe3 36.c6 e4 37.Rc2 Rgg3 38.Rc4 Rxh3+ 39.Kg2 Rhg3+ 40.
Kh2 Rc3 41.Rxe4 Rg6 42.c7 Rc2+ 43.Kh3 Rc3+ 44.Kh4 Rc1 45.Re3 Rc4+ 46.Kh3 
Rgc6 47.Re7 Rc3+ 48.Kg4 Rxa3 49.Ree8 Kg6 50.Ra8 Rc4+ 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "2.23"]
[White "Ruballo, Jose"]
[Black "Rodriguez, Andres"]
[Result "1-0"]
[WhiteElo "1662"]
[ECO "B94"]
[EventDate "2015.07.16"]
[PlyCount "45"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e5 7.Nf5 Bxf5 8.exf5 
Be7 9.Bc4 b5 10.Bb3 Qc7 11.Bxf6 Bxf6 12.Ne4 Be7 13.Qd5 O-O 14.Qxa8 Nc6 15.
Qxa6 Nd4 16.c3 Nxb3 17.axb3 d5 18.Qa7 Qd8 19.Nc5 Bxc5 20.Qxc5 Qd7 21.Ra7 
Qxf5 22.O-O e4 23.Rd1 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.1"]
[White "Lopez Gonzalez, Abel Fabian"]
[Black "Escalante Ramirez, Brian Sebas"]
[Result "1-0"]
[WhiteElo "2251"]
[BlackElo "2389"]
[ECO "A01"]
[EventDate "2015.07.16"]
[PlyCount "38"]

1.b3 Nf6 2.Bb2 g6 3.e3 Bg7 4.c4 O-O 5.Nc3 e5 6.g3 d5 7.d3 d4 8.exd4 exd4 
9.Nce2 c5 10.b4 Nc6 11.bxc5 Bf5 12.Qd2 Ng4 13.h3 Ne3 14.Nf4 g5 15.Nh5 Nxf1
16.Kxf1 Bh8 17.h4 f6 18.g4 Bg6 19.Ng3 Ne5 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.2"]
[White "Arias, Daniel"]
[Black "Cori Quispe, Kevin"]
[Result "0-1"]
[WhiteElo "2242"]
[BlackElo "2369"]
[ECO "B47"]
[EventDate "2015.07.16"]
[PlyCount "129"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.g3 a6 7.Bg2 Nge7 8.Nb3 
Ng6 9.O-O Be7 10.f4 d6 11.Be3 O-O 12.a4 b6 13.Qe2 Rb8 14.h4 Bf6 15.h5 Nge7
16.Nd1 Re8 17.g4 g6 18.hxg6 fxg6 19.c3 Bg7 20.Rf3 Rf8 21.Qf2 g5 22.fxg5 
Bd7 23.Nd4 Ne5 24.Rxf8+ Rxf8 25.Qg3 Nc4 26.Bc1 Ng6 27.b3 Na5 28.Nf2 Be5 
29.Qd3 Nf4 30.Bxf4 Rxf4 31.Rb1 Bc8 32.Ne2 Rf8 33.Qe3 Nc6 34.Nd3 Bg7 35.Rc1
Bd7 36.Nef4 Ne5 37.Nxe5 Bxe5 38.Ne2 Qc5 39.Qxc5 bxc5 40.Rc2 Kg7 41.Nc1 Bf4
42.Bf1 a5 43.Bc4 Be3+ 44.Kg2 Bc6 45.Bd3 Bxg5 46.Ne2 Rb8 47.Ng3 d5 48.Rb2 
c4 49.Bc2 Bxa4 50.exd5 Bxb3 51.dxe6 a4 52.Bb1 a3 53.Rf2 Rb7 54.Nf5+ Kg8 
55.Re2 Bd1 56.e7 Bxe7 57.Nxe7+ Kf7 58.Rf2+ Kxe7 59.Bxh7 Bxg4 60.Bg8 Be6 
61.Bh7 Kd6 62.Be4 Rb2 63.Rxb2 axb2 64.Kf2 Ke5 65.Kf3 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.3"]
[White "Tang, Andrew"]
[Black "Johnson, Joshua"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2211"]
[ECO "D11"]
[EventDate "2015.07.16"]
[PlyCount "97"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bg4 5.Nc3 Nbd7 6.h3 Bh5 7.g4 Bg6 8.Nh4 e6 
9.Nxg6 hxg6 10.Bd2 dxc4 11.Bxc4 Nb6 12.Bb3 Be7 13.Qf3 Qc7 14.O-O-O c5 15.
dxc5 Qxc5 16.h4 a5 17.a3 a4 18.Ba2 Nfd7 19.g5 Ne5 20.Qe2 Nbc4 21.f4 Nxb2 
22.fxe5 Nxd1 23.Kxd1 Qxa3 24.Qb5+ Kf8 25.Qxb7 Rd8 26.Ke2 Kg8 27.Qc7 Bxg5 
28.Bc1 Qe7 29.Qxe7 Bxe7 30.Nxa4 Ra8 31.Bb3 Ra5 32.Bb2 Rh5 33.Bc2 Rxh4 34.
Rxh4 Bxh4 35.Kf3 Bd8 36.Bd4 Bc7 37.Ke4 Bxe5 38.Bxe5 f5+ 39.Kf4 g5+ 40.Kxg5
Rxe5 41.Kf4 Rb5 42.Bd1 Kf7 43.Nc3 Rb4+ 44.Kg5 Rc4 45.Bh5+ g6 46.Bxg6+ Kg7 
47.Bxf5 exf5 48.Nd5 Rc5 49.Ne7 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.4"]
[White "Jimenez Garcia, Emmanuel"]
[Black "Chavez Estevez, Hayler David"]
[Result "0-1"]
[WhiteElo "2210"]
[BlackElo "2347"]
[ECO "E15"]
[EventDate "2015.07.16"]
[PlyCount "68"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 exd5 7.Nh4 g6 8.cxd5 Bg7 
9.Nc3 O-O 10.O-O d6 11.e4 Na6 12.Re1 Nc7 13.a4 a6 14.Bf1 Re8 15.f3 Qd7 16.
Be3 b5 17.Qb3 b4 18.Nd1 a5 19.Bc4 Qd8 20.Bf2 Nd7 21.Ne3 Nb6 22.Ra2 Bd4 23.
Nhg2 Qf6 24.Be2 Ba6 25.Ng4 Bxf2+ 26.Kxf2 Qg7 27.N4e3 Rab8 28.Bxa6 Nxa6 29.
Re2 c4 30.Qd1 Nc5 31.Ne1 Rec8 32.g4 b3 33.Ra3 Ncxa4 34.Qa1 c3 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.5"]
[White "Benedetti, Julio"]
[Black "Puppi Lazo, Jorge Luis"]
[Result "1/2-1/2"]
[WhiteElo "2313"]
[BlackElo "2111"]
[ECO "B45"]
[EventDate "2015.07.16"]
[PlyCount "87"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Ndb5 Bb4 7.a3 Bxc3+ 8.
Nxc3 d5 9.exd5 Nxd5 10.Bd2 O-O 11.Bd3 e5 12.O-O Nxc3 13.Bxc3 Qg5 14.Qf3 
Qg4 15.Qxg4 Bxg4 16.f3 Bh5 17.Be4 Bg6 18.Rad1 Rfd8 19.Kf2 f6 20.h4 Rxd1 
21.Rxd1 Rd8 22.Re1 Kf7 23.Ke3 Rd7 24.g4 h5 25.gxh5 Bxh5 26.f4 exf4+ 27.
Kxf4 Bg6 28.Bxg6+ Kxg6 29.Kg4 Kf7 30.Rf1 a6 31.h5 Ke6 32.h6 gxh6 33.Rxf6+ 
Kd5 34.Rxh6 Nd4 35.Rh5+ Ke4 36.Bxd4 Kxd4 37.Rh3 Rc7 38.Rh2 Rf7 39.Kg5 Ke3 
40.Kg6 Rf1 41.Rh3+ Kd2 42.Rb3 b5 43.Rc3 Rb1 44.Rc6 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.6"]
[White "Hernandez Sanchez, Jairo Andre"]
[Black "Giron, Jorge Ernesto"]
[Result "1-0"]
[WhiteElo "2381"]
[BlackElo "2223"]
[ECO "B90"]
[EventDate "2015.07.16"]
[PlyCount "83"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3 e5 7.Nde2 h6 8.g4 Be6 
9.Bg2 Nbd7 10.O-O Rc8 11.Be3 Be7 12.Qd2 O-O 13.Ng3 Nb6 14.b3 Qc7 15.Nd5 
Nbxd5 16.exd5 Bd7 17.c4 b5 18.Rfc1 bxc4 19.bxc4 Rb8 20.Bf1 Nh7 21.Bd3 Ng5 
22.Kg2 e4 23.Nxe4 Nxe4 24.Bxe4 f5 25.Bf3 Qc8 26.Qe2 h5 27.Rab1 Rxb1 28.
Rxb1 hxg4 29.hxg4 fxg4 30.Be4 Bh4 31.Rh1 g5 32.Qc2 Bf5 33.Bd4 Qd7 34.Re1 
g3 35.Bxf5 gxf2 36.Re6 Qf7 37.Rf6 Qh5 38.Bh7+ Kg7 39.Rxf8+ Kxf8 40.Qf5+ 
Ke7 41.Qf6+ Kd7 42.Bf5+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.7"]
[White "Ampie, Mauro"]
[Black "Santiago Vilca, Christian"]
[Result "1-0"]
[WhiteElo "2193"]
[BlackElo "1922"]
[ECO "B23"]
[EventDate "2015.07.16"]
[PlyCount "105"]

1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Be2 e6 6.d4 cxd4 7.Nb5 d6 8.Nfxd4 
Nxd4 9.Nxd4 a6 10.Be3 Ne7 11.Qd2 d5 12.e5 f6 13.exf6 Bxf6 14.O-O-O Nc6 15.
Nf3 Qe7 16.h4 h5 17.Bd3 Qg7 18.c3 b5 19.Rhg1 b4 20.c4 b3 21.a3 Bb7 22.cxd5
Ne7 23.dxe6 O-O 24.Kb1 Rfd8 25.Qe2 Nd5 26.Bc1 Qe7 27.Ne5 Qxe6 28.g4 Rac8 
29.Bf5 Qe7 30.Bxc8 Rxc8 31.gxh5 Rxc1+ 32.Rxc1 Nxf4 33.Qc4+ Nd5 34.Nxg6 Qd6
35.Qxb3 Qb6 36.Qxb6 Nxb6 37.Rge1 Bd5 38.Ne7+ Kf7 39.Nxd5 Nxd5 40.Rc4 Kg7 
41.Rg1+ Kf7 42.Rf1 Kg7 43.Rg4+ Kh7 44.Rxf6 Nxf6 45.Rg5 Ne4 46.b4 Nc3+ 47.
Kc2 Nb5 48.Rxb5 axb5 49.a4 bxa4 50.b5 Kh6 51.b6 Kxh5 52.b7 Kxh4 53.b8=Q 
1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.8"]
[White "Ortiz Perez, Carlos"]
[Black "Husbands, Orlando"]
[Result "0-1"]
[WhiteElo "1901"]
[BlackElo "2234"]
[ECO "B70"]
[EventDate "2015.07.16"]
[PlyCount "74"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Nb3 Bg7 7.Be3 Nc6 8.f3 
O-O 9.Qd2 Be6 10.O-O-O a6 11.g4 b5 12.h4 h5 13.gxh5 Nxh5 14.Rg1 Rc8 15.Nd4
Kh7 16.Kb1 Qa5 17.Nxe6 fxe6 18.Qg2 Ne5 19.Bd4 Nf4 20.Qg3 Qc7 21.a3 Rf7 22.
Bh3 Rg8 23.Bg4 Nc4 24.Bxe6 Nxa3+ 25.bxa3 Bxd4 26.Bxf7 Qxc3 27.Bxg8+ Kxg8 
28.Rxd4 Qxd4 29.h5 e5 30.Qg4 Qc5 31.hxg6 b4 32.Qg5 Ne6 33.Qg4 Nd4 34.Rg2 
bxa3 35.c3 Qxc3 36.Qd7 Qd3+ 37.Ka2 Qc4+ 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.9"]
[White "De Leon, Gabriel"]
[Black "Singh, Vishnu"]
[Result "0-1"]
[WhiteElo "1804"]
[BlackElo "2200"]
[ECO "B97"]
[EventDate "2015.07.16"]
[PlyCount "114"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 
Qxb2 9.Nb3 Qa3 10.Bxf6 gxf6 11.Be2 h5 12.Bf3 Qb4 13.O-O Nc6 14.Rab1 Be7 
15.Qe3 Bd8 16.Kh1 Qb6 17.Qd3 Qc7 18.Nd2 b5 19.Rfe1 Be7 20.Nb3 Bd7 21.Ne2 
Rc8 22.Rec1 Nb4 23.Qd2 Nxa2 24.Rd1 Nc3 25.Nxc3 Qxc3 26.Ra1 Qxd2 27.Rxd2 
Rc6 28.Nd4 Rb6 29.Kg1 h4 30.Nb3 O-O 31.Rd3 Rc8 32.Rc1 Rbc6 33.Nd4 Rc3 34.
Rxc3 Rxc3 35.Ne2 Rc4 36.c3 a5 37.Ra1 a4 38.Rb1 Bd8 39.Kf1 Ba5 40.Nd4 Bxc3 
41.Nxb5 Bxb5 42.Rxb5 Rc8 43.Bd1 Ra8 44.Rb6 a3 45.Bb3 a2 46.Bxa2 Rxa2 47.
Rxd6 Kg7 48.Rd3 Bd2 49.f5 e5 50.Ke2 Bf4+ 51.Kf3 Bxh2 52.Ke3 Bg3 53.Rd2 
Rxd2 54.Kxd2 Kh6 55.Ke3 Kg5 56.Kf3 Bh2 57.Ke3 Kg4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.10"]
[White "Mendez, Alan Steven"]
[Black "Squella Lavin, Carlos Felipe"]
[Result "1/2-1/2"]
[WhiteElo "1744"]
[BlackElo "2183"]
[ECO "C02"]
[EventDate "2015.07.16"]
[PlyCount "109"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Nc6 6.a3 f6 7.b4 cxd4 8.cxd4 Bd7 9.
Nc3 a6 10.Bf4 fxe5 11.dxe5 Nge7 12.Bd3 g6 13.Na4 Qc7 14.Nc5 Bg7 15.Nxd7 
Qxd7 16.O-O O-O 17.Qd2 Nf5 18.Bxf5 Rxf5 19.Rae1 Raf8 20.g3 Qe7 21.Qe3 Qd8 
22.Rd1 h6 23.h4 R8f7 24.Kg2 Bf8 25.Nd4 g5 26.hxg5 hxg5 27.Nxe6 gxf4 28.
gxf4 Rg7+ 29.Kf3 Qh4 30.Nxg7 Nxe5+ 31.Kg2 Bxg7 32.Rxd5 Rxf4 33.Rxe5 Qg4+ 
34.Kh2 Qh4+ 35.Kg2 Qg4+ 36.Kh2 Qh4+ 37.Kg2 Qg4+ 38.Kh2 Bxe5 39.Qxe5 Qh4+ 
40.Kg2 Qg4+ 41.Kh2 Qh4+ 42.Kg2 Qg4+ 43.Kh2 Rf5 44.Qg3 Qxg3+ 45.Kxg3 Rd5 
46.Re1 Kf7 47.Kf4 Kf6 48.Re8 a5 49.Rb8 axb4 50.Rxb7 bxa3 51.Rb6+ Ke7 52.
Ra6 Rd3 53.Ke4 Rd2 54.Ke3 Ra2 55.Kd4 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.11"]
[White "Carrera Gonzalez, Enmanuel"]
[Black "Colorado, Efrain"]
[Result "1-0"]
[WhiteElo "2171"]
[BlackElo "1841"]
[ECO "C77"]
[EventDate "2015.07.16"]
[PlyCount "70"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.Qe2 a6 5.Ba4 b5 6.Bb3 d6 7.c3 Be7 8.h3 O-O 
9.O-O Na5 10.Bc2 c5 11.Rd1 Qc7 12.d3 Nc6 13.Nbd2 Re8 14.Nf1 d5 15.Bg5 d4 
16.Ng3 h6 17.Bd2 Nd8 18.Nh4 Ne6 19.Ngf5 Bf8 20.Qf3 g5 21.Qg3 Kh7 22.Nf3 
Nh5 23.Qxe5 Qd8 24.Qh2 Nef4 25.Ng3 Bd6 26.Re1 Bb7 27.cxd4 cxd4 28.Nxd4 
Nxd3 29.e5 Bxe5 30.Bxd3+ Kg8 31.Rxe5 Rxe5 32.Nxh5 Rd5 33.Be3 Rxd4 34.Qe5 
f6 35.Nxf6+ Kf7 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.12"]
[White "Valencia, Oscar"]
[Black "Solano Cuya, Bryan"]
[Result "0-1"]
[WhiteElo "1728"]
[BlackElo "2149"]
[ECO "D88"]
[EventDate "2015.07.16"]
[PlyCount "58"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 c5 8.Be3 
Nc6 9.Ne2 O-O 10.O-O Na5 11.Bd3 cxd4 12.cxd4 b6 13.Rc1 Bb7 14.f3 e6 15.Qd2
Qd7 16.Rc3 Rac8 17.Rfc1 Rxc3 18.Rxc3 Nc6 19.Bb1 Rd8 20.Rd3 Ba6 21.Ra3 Bxe2
22.Qxe2 Bxd4 23.Rd3 Bxe3+ 24.Qxe3 Nd4 25.Qd2 Qb5 26.Bc2 Qc5 27.Kf1 Qc4 28.
Kg1 Qxa2 29.Qc3 Ne2+ 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.13"]
[White "Lopez Raygoza, Luis Albert"]
[Black "Pinto, Alejandro"]
[Result "1-0"]
[WhiteElo "2138"]
[BlackElo "1728"]
[ECO "B31"]
[EventDate "2015.07.16"]
[PlyCount "41"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.Bxc6 bxc6 5.O-O Bg7 6.Re1 e6 7.Nc3 Ne7 8.e5 
O-O 9.Ne4 Qb6 10.b3 Nf5 11.Ba3 Rd8 12.Bxc5 Qb7 13.d4 Bf8 14.Bxf8 Rxf8 15.
Qd2 Kg7 16.Qg5 Qc7 17.g4 Nh6 18.Nf6 Qd8 19.Nh5+ Kg8 20.Qxh6 gxh5 21.Ng5 
1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.14"]
[White "Guzman, Oswaldo"]
[Black "Munoz, Randall"]
[Result "0-1"]
[WhiteElo "2066"]
[BlackElo "1706"]
[ECO "B86"]
[EventDate "2015.07.16"]
[PlyCount "62"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 Nbd7 8.O-O 
Nc5 9.Qf3 Qc7 10.Re1 b5 11.Nd5 exd5 12.exd5+ Be7 13.Nc6 Ng8 14.Qc3 Kf8 15.
Bf4 Nb7 16.h4 h5 17.Qe3 Bf5 18.Re2 Bxh4 19.Rae1 Bd7 20.Bg5 Bxg5 21.Qxg5 f6
22.Qg3 Re8 23.c3 Rxe2 24.Rxe2 h4 25.Qe3 Rh5 26.Ne7 Nxe7 27.Qxe7+ Kg8 28.f4
Rh7 29.Bc2 g6 30.Qxf6 Qd8 31.Qd4 Rg7 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.15"]
[White "Santos, Oliver"]
[Black "Ulloa, Ruben Guillermo"]
[Result "1-0"]
[WhiteElo "1690"]
[BlackElo "2016"]
[ECO "B13"]
[EventDate "2015.07.16"]
[PlyCount "77"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Nf3 Nc6 5.Bf4 Qb6 6.b3 Bg4 7.c3 Nf6 8.h3 Bh5
9.Nbd2 e6 10.Bd3 Ba3 11.Rb1 a5 12.Nf1 Ne4 13.Bd2 O-O 14.N1h2 Bd6 15.O-O 
Qc7 16.Be2 f5 17.c4 dxc4 18.bxc4 Rad8 19.Kh1 Bxh2 20.Nxh2 Bxe2 21.Qxe2 
Nxd4 22.Qe1 Nc2 23.Bxa5 Qxc4 24.Qc1 Rd5 25.Be1 b5 26.Qb2 Nxe1 27.Rfxe1 Rd2
28.Qxb5 Nxf2+ 29.Kg1 Qd4 30.Nf3 Nxh3+ 31.Kh2 Qf4+ 32.Kh1 Rd5 33.Qe2 Qh6 
34.gxh3 Qxh3+ 35.Nh2 Kh8 36.Qxe6 Ra5 37.Rb8 Qa3 38.Qf7 Ra8 39.Rg1 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.16"]
[White "Hernandez, Diego"]
[Black "Ruballo, Jose"]
[Result "1/2-1/2"]
[WhiteElo "1950"]
[BlackElo "1662"]
[ECO "B34"]
[EventDate "2015.07.16"]
[PlyCount "123"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.f3 Qb6 8.Qd2 
Nxe4 9.fxe4 Bxd4 10.Bxd4 Qxd4 11.Qxd4 Nxd4 12.O-O-O Nc6 13.Nd5 O-O 14.Bb5 
Kg7 15.a4 a6 16.Nb6 Rb8 17.Bc4 d6 18.h3 Ne5 19.Bd5 Be6 20.Rd4 Rfd8 21.Rhd1
Nd7 22.Rb4 Nxb6 23.Rxb6 Bxd5 24.exd5 Rd7 25.Rd3 Rc8 26.Rdb3 Rcc7 27.Kd2 e6
28.Rd3 e5 29.b3 f5 30.c4 Kf6 31.Kc3 e4 32.Rd1 Ke5 33.b4 f4 34.Rf1 Re7 35.
b5 axb5 36.axb5 g5 37.Ra1 h5 38.Ra8 f3 39.gxf3 exf3 40.Rf8 Rf7 41.Re8+ 
Rce7 42.Rxb7 Rxe8 43.Rxf7 Ke4 44.b6 g4 45.hxg4 hxg4 46.b7 Rb8 47.Re7+ Kf4 
48.c5 dxc5 49.d6 f2 50.d7 Kg3 51.Rf7 Kg2 52.Kc4 f1=Q+ 53.Rxf1 Kxf1 54.Kxc5
g3 55.Kc6 g2 56.Kc7 g1=Q 57.Kxb8 Qb6 58.Ka8 Qa6+ 59.Kb8 Qd6+ 60.Ka8 Qxd7 
61.b8=Q Qa4+ 62.Qa7 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.17"]
[White "Hernandez, Mauricio Daniel"]
[Black "Lemus, Hector"]
[Result "1-0"]
[WhiteElo "1926"]
[BlackElo "1616"]
[ECO "C44"]
[EventDate "2015.07.16"]
[PlyCount "95"]

1.e4 e5 2.Nf3 Nf6 3.d3 Nc6 4.Nc3 Bb4 5.Bd2 d5 6.exd5 Nxd5 7.Nxd5 Bxd2+ 8.
Nxd2 Qxd5 9.Qf3 Qxf3 10.Nxf3 Bg4 11.Be2 O-O-O 12.O-O-O Bxf3 13.Bxf3 Nd4 
14.Rde1 Nxf3 15.gxf3 Rhe8 16.Re3 Re6 17.Rhe1 Rde8 18.Kd2 Kd7 19.c3 c5 20.
Rg1 g6 21.Rg4 Kc6 22.b4 b6 23.bxc5 bxc5 24.Ra4 Kb6 25.Re1 R8e7 26.Rb1+ Kc6
27.Ra6+ Kd5 28.c4+ Kd4 29.Rxe6 Rxe6 30.Rb7 Rd6 31.Rxf7 h5 32.Rxa7 e4 33.
fxe4 Ke5 34.Rc7 Kf4 35.Rxc5 Kf3 36.Rg5 Kxf2 37.a4 Kf3 38.a5 Kf4 39.h4 Ra6 
40.Kc3 Re6 41.c5 Rc6 42.Kc4 Re6 43.Kb5 Ke3 44.Rd5 Kf4 45.Rd6 Ke5 46.d4+ 
Kf6 47.Rxe6+ Kxe6 48.a6 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.18"]
[White "Melara, Moises"]
[Black "Garcia Flores, Aristides"]
[Result "1-0"]
[WhiteElo "1772"]
[ECO "C42"]
[EventDate "2015.07.16"]
[PlyCount "71"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3 Nf6 6.d4 d5 7.Bf4 Be7 8.Qd2 
O-O 9.Be2 Re8 10.O-O-O Nc6 11.h4 Bb4 12.Bd3 Ne4 13.Bxe4 dxe4 14.Ne5 Nxe5 
15.Bxe5 f6 16.Bf4 Bg4 17.Rde1 c5 18.dxc5 Qxd2+ 19.Bxd2 Bxc5 20.Nxe4 Bb6 
21.f3 Be6 22.Nd6 Re7 23.Nxb7 Rxb7 24.Rxe6 Rd7 25.h5 Rad8 26.Bc3 Kf7 27.Re2
f5 28.b3 Bc5 29.Kb2 Rc7 30.Ba5 Bb6 31.Bxb6 axb6 32.Rhe1 g6 33.hxg6+ hxg6 
34.a4 Rcc8 35.f4 Re8 36.Rxe8 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.19"]
[White "Ventura, Ismael Emerson"]
[Black "Castillo, Ernesto"]
[Result "1-0"]
[BlackElo "1616"]
[ECO "B23"]
[EventDate "2015.07.16"]
[PlyCount "139"]

1.e4 c5 2.Nc3 d6 3.Bc4 e6 4.f4 Nc6 5.Nf3 Nd4 6.d3 b6 7.Be3 Nc6 8.O-O Nf6 
9.Qe2 Be7 10.Rad1 Na5 11.Bb5+ Bd7 12.a3 a6 13.Bxd7+ Qxd7 14.d4 c4 15.Rb1 
b5 16.b4 Nb7 17.Rfd1 d5 18.e5 Ne4 19.Nxe4 dxe4 20.Nd2 Qc6 21.Bf2 e3 22.
Bxe3 O-O 23.Nf3 f5 24.Ng5 g6 25.Rd2 Bxg5 26.fxg5 f4 27.Bf2 f3 28.Qf1 fxg2 
29.Qxg2 Qxg2+ 30.Kxg2 Rf5 31.h4 Raf8 32.Rf1 Nd8 33.Rdd1 Nc6 34.Be3 Rxf1 
35.Rxf1 Rxf1 36.Kxf1 Ne7 37.Ke2 Kf7 38.Kf3 Nf5 39.Bf2 h6 40.Ke4 h5 41.d5 
Ne7 42.d6 Nc6 43.Bb6 Ke8 44.c3 Kd7 45.Bc5 a5 46.bxa5 Nxa5 47.Kd4 Nc6+ 48.
Ke4 Na5 49.Bb6 Nb3 50.Bd4 Nd2+ 51.Ke3 Nf1+ 52.Kf2 Nh2 53.Ke2 Ng4 54.Kd2 
Nh2 55.Ke3 Nf1+ 56.Ke4 Ng3+ 57.Ke3 Nf5+ 58.Ke4 Nxh4 59.Bf2 Nf5 60.Kf3 h4 
61.Kg4 Kc6 62.Bxh4 Nxh4 63.Kxh4 Kd7 64.Kg4 Kc6 65.Kf4 Kd7 66.Ke4 Kc6 67.
Kd4 Kb6 68.d7 Kc7 69.d8=Q+ Kxd8 70.Kc5 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.20"]
[White "Rodriguez, Wilfredo"]
[Black "Perez, Denys"]
[Result "1-0"]
[WhiteElo "1631"]
[ECO "B24"]
[EventDate "2015.07.16"]
[PlyCount "119"]

1.e4 c5 2.Nc3 Nc6 3.g3 e6 4.Bg2 Nge7 5.f4 d5 6.e5 Qb6 7.d3 Bd7 8.Nf3 g6 9.
a4 Bg7 10.Nb5 Nc8 11.d4 c4 12.O-O a6 13.Nc3 N8e7 14.h3 Nf5 15.Ne2 f6 16.g4
Nfe7 17.Kh1 f5 18.c3 fxg4 19.hxg4 h5 20.g5 Nf5 21.Qe1 O-O-O 22.Nh4 Rh7 23.
Nxf5 gxf5 24.Ng3 h4 25.Nxf5 exf5 26.Bxd5 Ne7 27.Bxc4 Qc6+ 28.d5 Qxc4 29.d6
Qc6+ 30.Kh2 Ng6 31.b4 h3 32.Rf2 Nh4 33.Qe3 Qd5 34.b5 Qe4 35.Qb6 Qc4 36.Qa7
Bxb5 37.Qa8+ Kd7 38.Qxb7+ Ke6 39.Qe7+ Kd5 40.axb5 Qc5 41.Qf7+ Ke4 42.Ra4+ 
Kd3 43.Rd2+ Kxc3 44.Ra3+ Qxa3 45.Bxa3 Kxd2 46.Qa2+ Ke3 47.Bc1+ Kd4 48.Qa4+
Kc3 49.Qa5+ Kc2 50.Qxd8 Nf3+ 51.Kh1 Kxc1 52.Qc7+ Kd1 53.d7 Nxe5 54.d8=Q+ 
Ke2 55.Qc2+ Kf3 56.Qdd1+ Kg3 57.Qh2+ Kh4 58.fxe5 Bxe5 59.Qxe5 Rf7 60.Qf4# 
1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.21"]
[White "Echeverria, Carlos Enrique"]
[Black "Garcia, Daniel Alejandro"]
[Result "0-1"]
[BlackElo "1375"]
[ECO "B31"]
[EventDate "2015.07.16"]
[PlyCount "78"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e6 6.c3 Nge7 7.Bxc6 Nxc6 8.d3 
O-O 9.Be3 b6 10.Nbd2 d5 11.d4 cxd4 12.cxd4 Ba6 13.e5 Nb4 14.Nf1 Rc8 15.Qa4
Nc2 16.Qxa6 Nxa1 17.Rxa1 Rc7 18.Bg5 Qc8 19.Qa3 Qb7 20.Qe3 Rfc8 21.Bf6 Rc2 
22.Rb1 Qa6 23.a3 Qb5 24.Bg5 Rxb2 25.Rc1 Rbc2 26.Qe1 Qb2 27.Rb1 Qxa3 28.Ra1
Ra2 29.Rc1 Rcc2 30.Rd1 b5 31.Ne3 Rc8 32.Rb1 Rb8 33.Nd2 b4 34.Qd1 a5 35.Nc2
Qa4 36.Nb3 Rc8 37.Nc5 Qxc2 38.Qc1 Qxf2+ 39.Kh1 Qxg2# 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.22"]
[White "Ariza, Luis"]
[Black "Salazar, David"]
[Result "1-0"]
[ECO "C50"]
[EventDate "2015.07.16"]
[PlyCount "125"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.c3 Nf6 5.Qe2 d6 6.Bb3 Bg4 7.h3 Bh5 8.g4 Bg6 
9.d3 Qd7 10.Nbd2 h6 11.Nf1 O-O-O 12.Bc2 a6 13.a4 Na7 14.b4 c6 15.Be3 Kb8 
16.Bb6 Rde8 17.Qe3 Nc8 18.b5 Nxb6 19.bxa6 Bd8 20.a5 c5 21.axb6 Bxb6 22.Rb1
Qc7 23.axb7 Kxb7 24.N1d2 Kc8 25.O-O Kd7 26.Ba4+ Ke7 27.Bxe8 Rxe8 28.Nc4 
Rb8 29.Nxb6 Rxb6 30.Qd2 Nd7 31.Rb2 Rxb2 32.Qxb2 Nb6 33.Rb1 Na4 34.Qb3 Qa5 
35.Rc1 Nb6 36.Rb1 Nd7 37.Nd2 f6 38.Nc4 Qa6 39.Qb7 Qxb7 40.Rxb7 Ke6 41.Kf1 
h5 42.Ra7 hxg4 43.hxg4 Be8 44.Ra6 Ke7 45.Rxd6 Bf7 46.Ra6 g6 47.Ne3 f5 48.
gxf5 gxf5 49.Nxf5+ Kf8 50.Ra8+ Be8 51.Nd6 Nf6 52.Nxe8 Nxe8 53.Rc8 Ke7 54.
Rxc5 Kd6 55.Rd5+ Ke6 56.Ra5 Kf6 57.Ke2 Ng7 58.d4 exd4 59.cxd4 Ne6 60.Ra6 
Ke7 61.Ke3 Nc7 62.Ra7 Kd8 63.Kf4 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.17"]
[Round "3.23"]
[White "Rodriguez, Andres"]
[Black "Deras, Rafael"]
[Result "1/2-1/2"]
[ECO "A25"]
[EventDate "2015.07.16"]
[PlyCount "100"]

1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Nf6 5.d3 Be7 6.Nf3 Bg4 7.O-O Qd7 8.Rb1 O-O
9.b4 Rad8 10.Bd2 Bh3 11.Qc2 Bxg2 12.Kxg2 d5 13.Nxd5 Nxd5 14.cxd5 Qxd5 15.
b5 Nd4 16.Qxc7 Bf6 17.e4 Qxa2 18.Bb4 Nxb5 19.Qxb7 Rb8 20.Qd5 Qxd5 21.exd5 
Rfd8 22.d6 Nxd6 23.Bxd6 Rxb1 24.Rxb1 Rxd6 25.Rb8+ Rd8 26.Rxd8+ Bxd8 27.
Nxe5 Bf6 28.Nc4 g6 29.f4 Kg7 30.Kf3 h5 31.h3 Ba1 32.g4 hxg4+ 33.hxg4 f6 
34.Ke4 Kf7 35.d4 Ke6 36.f5+ gxf5+ 37.gxf5+ Ke7 38.Kd5 Bc3 39.Kc6 Bxd4 40.
Na3 a5 41.Nb5 Be3 42.Nc3 Kf7 43.Kd5 Bd2 44.Na4 Kg7 45.Ke6 Be1 46.Ke7 Bh4 
47.Ke6 Kh6 48.Nc3 Kg7 49.Na4 Kh6 50.Nc3 Kg7 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.1"]
[White "Cori Quispe, Kevin"]
[Black "Lopez Gonzalez, Abel Fabian"]
[Result "1-0"]
[WhiteElo "2369"]
[BlackElo "2251"]
[ECO "B95"]
[EventDate "2015.07.16"]
[PlyCount "125"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.Qe2 Be7 8.f4 h6 
9.Bxf6 Bxf6 10.O-O-O Qc7 11.Qd2 Bd7 12.Be2 b5 13.Bf3 Ra7 14.Kb1 O-O 15.g4 
Rc8 16.Nce2 Qd8 17.Rhg1 Rac7 18.c3 Nc6 19.g5 hxg5 20.fxg5 Be5 21.h4 Na5 
22.Bg4 Nc4 23.Qd3 b4 24.cxb4 Bb5 25.Qh3 Nxb2 26.Kxb2 Bxe2 27.Bxe2 Bxd4+ 
28.Rxd4 Rc2+ 29.Kb1 Rxe2 30.Qd3 Qb6 31.Rd1 Qb5 32.a4 Qxd3+ 33.R1xd3 d5 34.
exd5 e5 35.Rg4 e4 36.Rb3 Rd8 37.b5 Rxd5 38.Rg1 axb5 39.axb5 Rd8 40.b6 Red2
41.b7 Rb8 42.Rc1 Rdd8 43.Rc7 Re8 44.Kc2 e3 45.Kd1 e2+ 46.Ke1 Rbd8 47.Rb1 
Kh7 48.Rxf7 Kg6 49.Rf2 Kh5 50.Rxe2 Kxh4 51.Rxe8 Rxe8+ 52.Kf2 Rb8 53.Rb5 g6
54.Kf3 Rf8+ 55.Ke4 Rb8 56.Kd4 Kg4 57.Kc4 Kf4 58.Kb4 Kg4 59.Ka5 Rxb7 60.
Rxb7 Kxg5 61.Kb4 Kf4 62.Kc3 g5 63.Kd2 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.2"]
[White "Chavez Estevez, Hayler David"]
[Black "Hernandez Sanchez, Jairo Andre"]
[Result "1-0"]
[WhiteElo "2347"]
[BlackElo "2381"]
[ECO "B24"]
[EventDate "2015.07.16"]
[PlyCount "91"]

1.e4 c5 2.Ne2 g6 3.g3 Bg7 4.Bg2 Nc6 5.Nbc3 e6 6.d3 Nge7 7.Be3 Nd4 8.Qd2 
O-O 9.Nd1 f5 10.c3 Nxe2 11.Bxc5 d6 12.Be3 Nxc3 13.Nxc3 Bd7 14.O-O Rf7 15.
exf5 Nxf5 16.Bxb7 Rb8 17.Bg2 d5 18.Bxa7 Rc8 19.d4 Qf6 20.Ne2 Bb5 21.Bc5 
Rxc5 22.dxc5 Qxb2 23.Qxb2 Bxb2 24.Nf4 Bxf1 25.Rxf1 Re7 26.Nxe6 Nd4 27.Rb1 
Nxe6 28.Rxb2 Nxc5 29.Bxd5+ Kg7 30.Rb5 Rc7 31.f4 Kf8 32.Kf2 Ke7 33.Ke3 Nd7 
34.a4 Kd6 35.a5 Rc3+ 36.Kd4 Ra3 37.Bb7 Ra4+ 38.Kc3 Ra3+ 39.Kb4 Ra1 40.a6 
Kc7 41.Ra5 Rb1+ 42.Kc3 Nb6 43.Be4 Re1 44.Kd3 Rd1+ 45.Ke2 Rd4 46.Bf3 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.3"]
[White "Puppi Lazo, Jorge Luis"]
[Black "Tang, Andrew"]
[Result "0-1"]
[WhiteElo "2111"]
[BlackElo "2365"]
[ECO "C55"]
[EventDate "2015.07.16"]
[PlyCount "105"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5 d5 6.Bb5 Ne4 7.Nxd4 Bc5 8.Be3 
Bd7 9.Bxc6 bxc6 10.O-O Bb6 11.f3 Ng5 12.f4 Ne4 13.Nc3 Nxc3 14.bxc3 Qe7 15.
Qf3 O-O 16.Qg3 Bxd4 17.cxd4 Bf5 18.Bc1 Qe6 19.Ba3 Rfb8 20.c3 Be4 21.f5 
Bxf5 22.Qg5 Bg6 23.h3 h6 24.Qh4 Rb5 25.Kh2 Rab8 26.Rf2 Rb1 27.Rxb1 Bxb1 
28.Bb4 Be4 29.a4 Kh7 30.a5 a6 31.Qe7 Qxe7 32.Bxe7 Kg6 33.Bb4 Re8 34.Kg3 f6
35.exf6 gxf6 36.Re2 Kf5 37.Rf2+ Ke6 38.Kf4 Rg8 39.g4 f5 40.Ba3 Rg7 41.Bf8 
Rf7 42.gxf5+ Rxf5+ 43.Kg3 Rg5+ 44.Kh2 Rg6 45.Ba3 h5 46.Bc1 Kd7 47.Bf4 c5 
48.Be5 c4 49.Rf7+ Kc6 50.Rf6+ Rxf6 51.Bxf6 Kb5 52.Bd8 Ka4 53.Be7 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.4"]
[White "Johnson, Joshua"]
[Black "Benedetti, Julio"]
[Result "0-1"]
[WhiteElo "2211"]
[BlackElo "2313"]
[ECO "B33"]
[EventDate "2015.07.16"]
[PlyCount "46"]

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.c4 Rb8 12.cxb5 Nd4 13.b6 O-O 14.Nc4 Be6 15.
Bd3 Bg5 16.a4 f5 17.a5 Rc8 18.Na3 fxe4 19.Bxe4 Rc5 20.Nc3 Nb3 21.Bc2 Bd2+ 
22.Ke2 Qh4 23.Bxb3 Rxf2+ 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.5"]
[White "Escalante Ramirez, Brian Sebas"]
[Black "Carrera Gonzalez, Enmanuel"]
[Result "0-1"]
[WhiteElo "2389"]
[BlackElo "2171"]
[ECO "C00"]
[EventDate "2015.07.16"]
[PlyCount "104"]

1.e4 c5 2.Nf3 e6 3.Qe2 Nc6 4.g3 g6 5.Bg2 Bg7 6.c3 Nge7 7.Na3 d5 8.d3 a6 9.
O-O O-O 10.e5 b5 11.Nc2 a5 12.a3 Bb7 13.Bg5 Qc7 14.Rfe1 b4 15.axb4 axb4 
16.cxb4 cxb4 17.Rac1 Qb6 18.Be3 Qb5 19.Nfd4 Qa5 20.Nb3 Qb5 21.Qd2 Bxe5 22.
d4 Bg7 23.Nc5 Rfd8 24.Bf1 Qb6 25.Bg5 b3 26.Bxe7 Nxe7 27.Na1 Nf5 28.Naxb3 
Ra2 29.Rc2 Bc6 30.g4 Nd6 31.Nc1 Ra7 32.Qg5 Bxd4 33.Nxe6 Bxf2+ 34.Rxf2 fxe6
35.Rxe6 Rf7 36.Qe3 d4 37.Qb3 Qxb3 38.Nxb3 Rxf2 39.Kxf2 Bd5 40.Nxd4 Bxe6 
41.Nxe6 Rb8 42.Bg2 Rxb2+ 43.Kg3 Kf7 44.Nf4 Kf6 45.h4 Rb3+ 46.Bf3 Ke5 47.
Ne2 Nb5 48.g5 Nd6 49.Kf2 Nf5 50.h5 Nd4 51.Nxd4 Kxd4 52.hxg6 hxg6 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.6"]
[White "Lopez Raygoza, Luis Albert"]
[Black "Arias, Daniel"]
[Result "1/2-1/2"]
[WhiteElo "2138"]
[BlackElo "2242"]
[ECO "B51"]
[EventDate "2015.07.16"]
[PlyCount "63"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 a6 5.Bxd7+ Bxd7 6.O-O cxd4 7.Qxd4 e5 8.
Qd3 h6 9.c4 Nf6 10.Nc3 Be7 11.Rd1 Qc7 12.b3 Be6 13.a4 O-O 14.Nd2 Nh5 15.
Nf1 Qa5 16.Qf3 Nf6 17.Nd5 Nxd5 18.cxd5 Bd7 19.Bd2 Qd8 20.Ng3 Bg5 21.Rac1 
Rc8 22.Qd3 Bxd2 23.Qxd2 Qb6 24.Qd3 Rc5 25.h3 Rfc8 26.Rxc5 Rxc5 27.Ne2 Qc7 
28.Qe3 b5 29.axb5 Bxb5 30.Rc1 Bxe2 31.Rxc5 Qxc5 32.Qxe2 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.7"]
[White "Husbands, Orlando"]
[Black "Hernandez, Mauricio Daniel"]
[Result "0-1"]
[WhiteElo "2234"]
[BlackElo "1926"]
[ECO "C45"]
[EventDate "2015.07.16"]
[PlyCount "62"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bc4 Qg6 8.O-O
O-O 9.Nd2 Kh8 10.f4 f5 11.e5 d6 12.Kh1 dxe5 13.fxe5 Nxe5 14.Nxf5 Bxf5 15.
Bxc5 Nxc4 16.Nxc4 Rfd8 17.Qf3 Be4 18.Qf2 Nc6 19.Ne3 h6 20.Rad1 Ne5 21.Qh4 
Rxd1 22.Rxd1 Nd3 23.Ba3 Re8 24.Rf1 c5 25.h3 Bc6 26.Ng4 Re2 27.Rg1 Nf4 28.
Qd8+ Kh7 29.Qd1 Nxg2 30.Kh2 Qe4 31.Qd6 Nh4+ 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.8"]
[White "Solano Cuya, Bryan"]
[Black "Jimenez Garcia, Emmanuel"]
[Result "1/2-1/2"]
[WhiteElo "2149"]
[BlackElo "2210"]
[ECO "E94"]
[EventDate "2015.07.16"]
[PlyCount "95"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 Na6 7.O-O e5 8.Be3 Ng4 
9.Bg5 Qe8 10.dxe5 dxe5 11.h3 h6 12.Bd2 Nf6 13.Be3 Qe7 14.Qc1 Kh7 15.c5 c6 
16.Bxa6 bxa6 17.Qc2 g5 18.Nh2 Nh5 19.Rad1 Be6 20.Rd6 Qb7 21.b3 Nf4 22.Rfd1
Rfe8 23.R6d2 Kg8 24.Nf1 Qc8 25.Kh2 h5 26.Na4 g4 27.hxg4 hxg4 28.Nb2 Bf6 
29.Nd3 Nxd3 30.Rxd3 Kg7 31.Qd2 Rh8+ 32.Kg1 Be7 33.Ng3 Rb8 34.Qc3 f5 35.Qc2
a5 36.Rc3 Kf7 37.Qe2 a4 38.Rdd3 axb3 39.axb3 Rb4 40.Bd2 Rb5 41.Qe3 Qf8 42.
Nxf5 Bxc5 43.Rxc5 Qxc5 44.Nd6+ Kg6 45.Nxb5 Qxe3 46.Bxe3 cxb5 47.Bxa7 Ra8 
48.Bc5 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.9"]
[White "Singh, Vishnu"]
[Black "Santos, Oliver"]
[Result "1-0"]
[WhiteElo "2200"]
[BlackElo "1690"]
[ECO "D50"]
[EventDate "2015.07.16"]
[PlyCount "73"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.cxd5 cxd4 6.Qxd4 Be7 7.O-O-O e5 8.
Qxe5 Nbd7 9.Qd4 Qa5 10.e3 Bc5 11.Qa4 Qd8 12.Bxf6 Qxf6 13.Ne4 Qb6 14.Nf3 
O-O 15.Bd3 Qc7 16.Kb1 h6 17.Rc1 Qb6 18.Nxc5 Nxc5 19.Qd4 Nxd3 20.Qxd3 Bd7 
21.Nd4 Rad8 22.f3 Rfe8 23.g4 a6 24.e4 Bb5 25.Nxb5 axb5 26.h4 Ra8 27.Rh2 
Ra4 28.b3 Qd6 29.Rf2 Qb6 30.Rd2 Ra6 31.g5 h5 32.f4 Rea8 33.e5 Qa7 34.Qe2 
Qb6 35.f5 Re8 36.e6 Qd6 37.Qxh5 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.10"]
[White "Munoz, Randall"]
[Black "Ampie, Mauro"]
[Result "1/2-1/2"]
[WhiteElo "1706"]
[BlackElo "2193"]
[ECO "B47"]
[EventDate "2015.07.16"]
[PlyCount "97"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Ndb5 Qb8 7.Be3 a6 8.Bb6 
axb5 9.Nxb5 Bb4+ 10.c3 Ba5 11.Nc7+ Qxc7 12.Bxc7 Bxc7 13.Qg4 Kf8 14.f4 Nf6 
15.Qf3 d5 16.e5 Ne4 17.Bd3 Nc5 18.Bc2 b6 19.a4 b5 20.a5 g6 21.Qf2 Nd7 22.
b4 Kg7 23.Rd1 Rf8 24.h4 h5 25.Rd3 f5 26.Rg3 Bd8 27.Qe2 Kh6 28.Qxb5 Ndb8 
29.Qe2 d4 30.Rhh3 Rg8 31.Bd1 dxc3 32.Rxc3 Be7 33.Ba4 Bxb4 34.Bxc6 Nxc6 35.
Qc4 Bd7 36.Kf2 Bxc3 37.Rxc3 Rxa5 38.Rd3 Rd8 39.Rxd7 Rxd7 40.Qxc6 Rd2+ 41.
Kg3 Ra3+ 42.Kh2 Raa2 43.Qe8 Rxg2+ 44.Kh1 Rh2+ 45.Kg1 Rhg2+ 46.Kh1 Rh2+ 47.
Kg1 Rag2+ 48.Kf1 Rf2+ 49.Kg1 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.11"]
[White "Squella Lavin, Carlos Felipe"]
[Black "Ventura, Ismael Emerson"]
[Result "1-0"]
[WhiteElo "2183"]
[ECO "D35"]
[EventDate "2015.07.16"]
[PlyCount "65"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 h6 6.Bxf6 gxf6 7.e3 b6 8.Bd3 
Bb7 9.Nge2 c5 10.O-O Nc6 11.Nf4 Nb4 12.Bb5+ Bc6 13.Bxc6+ Nxc6 14.Nfxd5 Bd6
15.Qf3 cxd4 16.Nxf6+ Kf8 17.Ncd5 Ne7 18.Rad1 Nxd5 19.Nxd5 Qh4 20.Nf4 Bxf4 
21.Qxa8+ Ke7 22.Qxa7+ Kf8 23.exf4 Rg8 24.Qa8+ Kg7 25.Qe4 Kh8 26.Rxd4 Qh3 
27.Rd8 Qg4 28.Rfd1 Kg7 29.Rxg8+ Kxg8 30.Rd8+ Kg7 31.Qe5+ f6 32.Qe7+ Kg6 
33.Rg8+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.12"]
[White "Santiago Vilca, Christian"]
[Black "Mendez, Alan Steven"]
[Result "1-0"]
[WhiteElo "1922"]
[BlackElo "1744"]
[ECO "D56"]
[EventDate "2015.07.16"]
[PlyCount "91"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 Ne4 8.Bxe7 
Qxe7 9.Rc1 c6 10.Bd3 Nxc3 11.Rxc3 Nd7 12.O-O dxc4 13.Bxc4 e5 14.Bb3 e4 15.
Nd2 Nf6 16.Rc5 Bg4 17.Qc2 Nd7 18.Rc3 Be2 19.Re1 Bd3 20.Qd1 c5 21.Bc2 Bxc2 
22.Qxc2 Rfe8 23.dxc5 Rad8 24.b4 a5 25.a3 axb4 26.axb4 Nb8 27.Nc4 Na6 28.
Rb1 Qe6 29.Nd6 Re7 30.Rc4 f5 31.Rd4 Red7 32.Nxb7 Rxd4 33.exd4 Rxd4 34.b5 
Rc4 35.Qd2 Nxc5 36.Nxc5 Rxc5 37.b6 Rc8 38.b7 Rb8 39.Qf4 Qe8 40.Qc7 Kh7 41.
h3 e3 42.fxe3 Qxe3+ 43.Kh2 Qe8 44.Rd1 f4 45.Rd7 Qg6 46.Qxf4 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.13"]
[White "Ruballo, Jose"]
[Black "Guzman, Oswaldo"]
[Result "1/2-1/2"]
[WhiteElo "1662"]
[BlackElo "2066"]
[ECO "B94"]
[EventDate "2015.07.16"]
[PlyCount "91"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.f4 Qc7 8.Qf3 
e5 9.Nde2 Be7 10.O-O-O b5 11.g4 b4 12.Nd5 Nxd5 13.exd5 Bxg5 14.fxg5 Bb7 
15.Bg2 Rc8 16.Rd2 Nb6 17.Ng3 Bxd5 18.Qf2 Bxg2 19.Qxg2 O-O 20.Nf5 d5 21.Qh3
d4 22.Rf1 Nd5 23.Qf3 Nf4 24.h4 d3 25.Qe4 Rb8 26.Kb1 Qa5 27.Ne7+ Kh8 28.Nc6
dxc2+ 29.Rxc2 Qb5 30.Rxf4 exf4 31.Nxb8 Qxb8 32.Rf2 b3 33.Qxf4 bxa2+ 34.
Kxa2 Qb6 35.Rc2 Qe6+ 36.Qc4 Qb6 37.Qxf7 Qa5+ 38.Kb1 Qe1+ 39.Ka2 Re8 40.Qf5
Qb4 41.Rc8 Qa4+ 42.Kb1 Qd1+ 43.Ka2 Qa4+ 44.Kb1 Qd1+ 45.Ka2 Qa4+ 46.Kb1 
1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.14"]
[White "Giron, Jorge Ernesto"]
[Black "Valencia, Oscar"]
[Result "1-0"]
[WhiteElo "2223"]
[BlackElo "1728"]
[ECO "B70"]
[EventDate "2015.07.16"]
[PlyCount "113"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Bg5 Bg7 7.Bb5+ Bd7 8.Qe2 
a6 9.Bxd7+ Nbxd7 10.O-O-O O-O 11.f4 Qc7 12.Rhe1 h6 13.Bh4 e5 14.fxe5 dxe5 
15.Nb3 b5 16.Kb1 Rfb8 17.Nd5 Nxd5 18.Rxd5 Nb6 19.Rc5 Qa7 20.Bf2 Qe7 21.Rd1
Rd8 22.Rxd8+ Qxd8 23.Qd3 Qf6 24.Qf3 Rd8 25.Kc1 Qe6 26.Rc7 Bf6 27.Rc3 Nc4 
28.h4 Be7 29.Rd3 Rxd3 30.cxd3 Nb6 31.Qe3 Na4 32.Qxh6 Qc8+ 33.Kb1 Qg4 34.
Qe3 Qd1+ 35.Nc1 Bc5 36.Qe1 Qg4 37.Qg1 Be7 38.g3 Qc8 39.Qe1 Qc7 40.Qd2 Bc5 
41.Nb3 Qd6 42.Be3 Bb4 43.Qc2 Be1 44.d4 Bxg3 45.d5 Bxh4 46.Qc8+ Kg7 47.Qh3 
Be7 48.Bh6+ Kg8 49.Qc8+ Qd8 50.Qxa6 Qd7 51.Bc1 Nc5 52.Nxc5 Bxc5 53.Qf6 Qe7
54.Bg5 Qc7 55.Bh6 Bf8 56.Bxf8 Kxf8 57.d6 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.15"]
[White "Ulloa, Ruben Guillermo"]
[Black "Rodriguez, Wilfredo"]
[Result "1-0"]
[WhiteElo "2016"]
[BlackElo "1631"]
[ECO "E67"]
[EventDate "2015.07.16"]
[PlyCount "41"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7 7.O-O e5 8.Qc2 c6 
9.Rd1 Qc7 10.e4 Ne8 11.d5 a5 12.Bg5 f6 13.Be3 f5 14.Ng5 Nb6 15.Qb3 Ra6 16.
c5 Na8 17.dxc6+ Kh8 18.Nd5 Qd8 19.cxb7 Bxb7 20.Qxb7 f4 21.Ne6 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.16"]
[White "Pinto, Alejandro"]
[Black "Ortiz Perez, Carlos"]
[Result "0-1"]
[WhiteElo "1728"]
[BlackElo "1901"]
[ECO "B50"]
[EventDate "2015.07.16"]
[PlyCount "88"]

1.e4 c5 2.Nf3 d6 3.d3 Nf6 4.g3 Nc6 5.Bg2 Bg4 6.Nbd2 Qd7 7.h3 Bh5 8.c3 e6 
9.Qe2 Be7 10.O-O h6 11.Re1 O-O 12.Nf1 Rac8 13.g4 Bg6 14.N1h2 Nh7 15.h4 h5 
16.Ng5 hxg4 17.Nxg4 Nxg5 18.hxg5 f5 19.exf5 Bxf5 20.Be4 Qe8 21.Bxf5 exf5 
22.Qe6+ Qf7 23.Nh2 Ne5 24.Qxf7+ Kxf7 25.Re3 Bxg5 26.Rxe5 dxe5 27.Bxg5 Kg6 
28.f4 Rfe8 29.Nf3 exf4 30.Bxf4 Re2 31.Ne5+ Kf6 32.Nc4 g5 33.Be5+ Rxe5 34.
Nxe5 Kxe5 35.Re1+ Kf6 36.Kg2 Rb8 37.d4 cxd4 38.cxd4 Rd8 39.Rd1 f4 40.Kf3 
Kf5 41.d5 g4+ 42.Kf2 Rd6 43.Rd4 Ke5 44.Rb4 b6 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.17"]
[White "Colorado, Efrain"]
[Black "Ariza, Luis"]
[Result "1-0"]
[WhiteElo "1841"]
[ECO "C78"]
[EventDate "2015.07.16"]
[PlyCount "121"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.d3 d6 8.c3 O-O 
9.h3 Bb6 10.Re1 Na5 11.Bc2 c5 12.Nbd2 Qc7 13.Nf1 c4 14.Bg5 Nd7 15.Ne3 Nb7 
16.Nd5 Qb8 17.dxc4 bxc4 18.Qe2 Qa7 19.Ne7+ Kh8 20.Nc6 Bxf2+ 21.Qxf2 Qxf2+ 
22.Kxf2 f6 23.Be3 Rf7 24.Nb4 Nf8 25.Nd5 Be6 26.Red1 Ng6 27.Nb6 Rd8 28.b3 
cxb3 29.axb3 a5 30.c4 Rff8 31.Nd5 Rd7 32.Nc3 Ne7 33.Kg1 g6 34.Nb5 f5 35.
Ng5 Bg8 36.Rd2 h6 37.Nf3 f4 38.Bf2 g5 39.Nxe5 Rdd8 40.Nf3 Be6 41.Nc7 Bc8 
42.Nd5 Ng6 43.Bd4+ Kg8 44.e5 dxe5 45.Nxe5 Nxe5 46.Bxe5 g4 47.hxg4 Bxg4 48.
Nf6+ Rxf6 49.Rxd8+ Nxd8 50.Bxf6 Nc6 51.Be4 Kf7 52.Bc3 Ne7 53.Rxa5 Bd1 54.
b4 Bb3 55.c5 Be6 56.Ra7 Kf8 57.c6 Bc8 58.b5 Ke8 59.Bf6 Ng8 60.Bg6+ Kf8 61.
Bg7# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.18"]
[White "Lemus, Hector"]
[Black "De Leon, Gabriel"]
[Result "0-1"]
[WhiteElo "1616"]
[BlackElo "1804"]
[ECO "C45"]
[EventDate "2015.07.16"]
[PlyCount "108"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bc4 d6 8.O-O 
O-O 9.Nxc6 Nxc6 10.Bxc5 dxc5 11.Nd2 Ne5 12.Bb3 Be6 13.Re1 Rad8 14.Bxe6 
Qxe6 15.Qc2 Qg6 16.Kh1 Rfe8 17.Re3 Qd6 18.Nf3 Nxf3 19.Rxf3 Qd2 20.Qxd2 
Rxd2 21.Rf5 Rxb2 22.Rxc5 c6 23.f3 Rd8 24.Re5 Kf8 25.h3 Rdd2 26.Rg5 Rxa2 
27.Rxa2 Rxa2 28.Rc5 Ke7 29.Kh2 Kd6 30.Rf5 f6 31.h4 Rc2 32.Ra5 a6 33.Ra3 
Kc5 34.Rb3 b5 35.Ra3 Kb6 36.Kh3 c5 37.g3 b4 38.cxb4 cxb4 39.Rb3 Kb5 40.Kg4
Rc3 41.Rb2 a5 42.Kh3 Rxf3 43.Kg2 Rc3 44.Kf2 b3 45.Ke2 Rxg3 46.Kd1 Rg1+ 47.
Kd2 Rg2+ 48.Kc3 Rxb2 49.Kxb2 a4 50.Kb1 a3 51.Ka1 Kb4 52.Kb1 h5 53.Ka1 b2+ 
54.Ka2 Kc3 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.19"]
[White "Garcia, Daniel Alejandro"]
[Black "Melara, Moises"]
[Result "0-1"]
[WhiteElo "1375"]
[BlackElo "1772"]
[ECO "D32"]
[EventDate "2015.07.16"]
[PlyCount "52"]

1.Nf3 d5 2.d4 e6 3.c4 c5 4.Nc3 Nc6 5.cxd5 exd5 6.e3 Nf6 7.Be2 Bd6 8.O-O 
O-O 9.b3 Bg4 10.Bb2 Rc8 11.dxc5 Bxc5 12.Rc1 Be7 13.Nd4 Qd7 14.Bxg4 Nxg4 
15.h3 Nf6 16.Nce2 Rfd8 17.Nf4 Ne4 18.Nfe2 Ne5 19.f4 Ng6 20.Nc3 f5 21.Nxe4 
dxe4 22.Rf2 Bf6 23.g3 Ne7 24.a3 Nd5 25.Re2 Nxe3 26.Rxe3 Bxd4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.20"]
[White "Garcia Flores, Aristides"]
[Black "Rodriguez, Andres"]
[Result "1-0"]
[ECO "B44"]
[EventDate "2015.07.16"]
[PlyCount "81"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nxc6 bxc6 6.Nc3 Bb4 7.Bd2 Ne7 8.
Bc4 Bb7 9.O-O O-O 10.Rb1 Qc7 11.a3 Bxc3 12.Bxc3 Rad8 13.Bb4 c5 14.Bc3 d5 
15.exd5 exd5 16.Bd3 Ng6 17.Re1 d4 18.Bd2 Nh4 19.f3 c4 20.Be2 f5 21.Bg5 
Nxg2 22.Kxg2 Rd5 23.b3 f4 24.Bxc4 Rf5 25.Bxd5+ Bxd5 26.Bh4 g5 27.Bf2 g4 
28.Qd3 Bxf3+ 29.Kf1 Rd5 30.Qc4 Qxc4+ 31.bxc4 Rd8 32.Rb4 d3 33.cxd3 Rxd3 
34.Ra4 Rd1 35.Rxd1 Bxd1 36.Rxa7 f3 37.c5 Be2+ 38.Ke1 Bb5 39.a4 Bc6 40.a5 
Kf8 41.Rc7 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.21"]
[White "Deras, Rafael"]
[Black "Echeverria, Carlos Enrique"]
[Result "1-0"]
[ECO "B01"]
[EventDate "2015.07.16"]
[PlyCount "77"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d3 c6 5.Nf3 Bg4 6.Be2 e6 7.O-O Bd6 8.Ne4 
Qc7 9.Nxd6+ Qxd6 10.Ng5 Bxe2 11.Qxe2 Nh6 12.Ne4 Qe7 13.Bxh6 gxh6 14.Qf3 
Nd7 15.Qh5 Nf6 16.Qxh6 Nxe4 17.dxe4 O-O-O 18.Rad1 Qb4 19.Qe3 Qxb2 20.Qxa7 
Qxc2 21.Qa8+ Kc7 22.Qa5+ Kc8 23.Rb1 Qxe4 24.Qa8+ Kd7 25.Rfd1+ Ke7 26.Rxb7+
Kf6 27.Rxf7+ Kxf7 28.Qb7+ Kf6 29.Qb2+ e5 30.Rc1 Rd6 31.f4 Qxf4 32.Rf1 Rd1 
33.Rxd1 Qe3+ 34.Kh1 Rf8 35.Rf1+ Kg7 36.Qb7+ Kh6 37.Qxc6+ Kg5 38.h4+ Kxh4 
39.Rxf8 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "4.22"]
[White "Perez, Denys"]
[Black "Salazar, David"]
[Result "1/2-1/2"]
[ECO "C45"]
[EventDate "2015.07.16"]
[PlyCount "32"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nxd4 5.Qxd4 d6 6.Be3 Nf6 7.Nc3 a6 8.Be2
c5 9.Qd2 h5 10.O-O Be6 11.Rfd1 b5 12.a3 Be7 13.f3 O-O 14.Nd5 Nxd5 15.exd5 
Bd7 16.Rab1 a5 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.1"]
[White "Chavez Estevez, Hayler David"]
[Black "Cori Quispe, Kevin"]
[Result "1/2-1/2"]
[WhiteElo "2347"]
[BlackElo "2369"]
[ECO "A37"]
[EventDate "2015.07.16"]
[PlyCount "43"]

1.c4 e5 2.Nc3 c5 3.g3 Nc6 4.Bg2 g6 5.d3 Bg7 6.Nf3 d6 7.h4 h6 8.Bd2 Nge7 9.
Qc1 Be6 10.O-O Qd7 11.Re1 f6 12.Ne4 Nf5 13.a3 Rd8 14.b4 b6 15.b5 Nce7 16.
g4 Nd4 17.Nxd4 cxd4 18.g5 hxg5 19.hxg5 Bh3 20.Bf3 Bg4 21.Bh1 f5 22.Nf6+ 
1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.2"]
[White "Tang, Andrew"]
[Black "Benedetti, Julio"]
[Result "1-0"]
[WhiteElo "2365"]
[BlackElo "2313"]
[ECO "E81"]
[EventDate "2015.07.16"]
[PlyCount "79"]

1.d4 Nf6 2.c4 g6 3.f3 Bg7 4.e4 d6 5.Nc3 O-O 6.Nge2 e5 7.dxe5 dxe5 8.Qxd8 
Rxd8 9.Nd5 Nxd5 10.cxd5 c6 11.Nc3 Nd7 12.Bg5 Bf6 13.Bxf6 Nxf6 14.dxc6 bxc6
15.Bc4 Nh5 16.Rd1 Rxd1+ 17.Kxd1 Kf8 18.Kc2 Ke7 19.Na4 Be6 20.Bxe6 Kxe6 21.
Nc5+ Ke7 22.g3 Rd8 23.Re1 Rd4 24.Nb3 Ra4 25.a3 Ng7 26.Kd3 Ne6 27.Rc1 Kd6 
28.Nd2 Nd4 29.f4 f6 30.fxe5+ fxe5 31.Rf1 Ke7 32.Nc4 Nb3 33.Nxe5 Nc5+ 34.
Kc2 Nxe4 35.Nxc6+ Kd6 36.Nb4 a5 37.Rd1+ Kc7 38.b3 axb4 39.bxa4 bxa3 40.Ra1
1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.3"]
[White "Carrera Gonzalez, Enmanuel"]
[Black "Lopez Gonzalez, Abel Fabian"]
[Result "1/2-1/2"]
[WhiteElo "2171"]
[BlackElo "2251"]
[ECO "A45"]
[EventDate "2015.07.16"]
[PlyCount "73"]

1.d4 Nf6 2.Bg5 Ne4 3.Bf4 c5 4.f3 Nf6 5.d5 d6 6.e4 e5 7.Bg5 g6 8.Nc3 Bg7 9.
Bb5+ Nbd7 10.Nge2 a6 11.Bxd7+ Bxd7 12.O-O h6 13.Be3 O-O 14.Qd2 Kh7 15.a4 
b5 16.Ra2 b4 17.Nd1 Ne8 18.b3 f5 19.Bf2 Nf6 20.exf5 gxf5 21.Ne3 Nh5 22.Nc4
Be8 23.Ng3 Nf4 24.Re1 Qg5 25.Be3 Rf6 26.Raa1 Rg6 27.Rad1 Bf7 28.Kh1 Rg8 
29.Rg1 Qh4 30.Nxf5 Qf6 31.Nfxd6 Bf8 32.Nxf7 Rxg2 33.Rxg2 Rxg2 34.Qe1 Re2 
35.Qf1 Rxh2+ 36.Kxh2 Qh4+ 37.Kg1 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.4"]
[White "Hernandez, Mauricio Daniel"]
[Black "Singh, Vishnu"]
[Result "0-1"]
[WhiteElo "1926"]
[BlackElo "2200"]
[ECO "B22"]
[EventDate "2015.07.16"]
[PlyCount "80"]

1.e4 c5 2.c3 d5 3.exd5 Nf6 4.d4 cxd4 5.Qa4+ Nbd7 6.Qxd4 g6 7.Nf3 Bg7 8.Be3
O-O 9.Qd2 Nb6 10.c4 Bg4 11.Bd3 Bxf3 12.gxf3 Rc8 13.Na3 Nfd7 14.Rc1 e6 15.
d6 Qf6 16.Be2 Qxb2 17.Nb5 a6 18.Nc7 Na4 19.O-O Qxd2 20.Bxd2 Be5 21.Bb4 
Rfd8 22.c5 Naxc5 23.Bxc5 Nxc5 24.Rxc5 Bxd6 25.Rfc1 Bxc5 26.Rxc5 Kf8 27.a4 
Ke7 28.Nxa6 bxa6 29.Rxc8 Rxc8 30.Bxa6 Rc3 31.Kg2 Ra3 32.Bb5 Kd6 33.Kg3 h5 
34.Be8 Ke7 35.Bb5 g5 36.Bc6 f5 37.h4 g4 38.Kf4 Kf6 39.a5 Rxa5 40.Be8 Ra3 
0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.5"]
[White "Hernandez Sanchez, Jairo Andre"]
[Black "Squella Lavin, Carlos Felipe"]
[Result "1/2-1/2"]
[WhiteElo "2381"]
[BlackElo "2183"]
[ECO "C02"]
[EventDate "2015.07.16"]
[PlyCount "52"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Nc6 6.a3 Nh6 7.b4 cxd4 8.Bxh6 gxh6 
9.cxd4 Bd7 10.Ra2 Rc8 11.Be2 Bg7 12.O-O O-O 13.b5 Na5 14.a4 Rc7 15.Na3 
Rfc8 16.Nc2 a6 17.Ne3 h5 18.Qb1 h6 19.Rd1 Rc3 20.Rb2 axb5 21.Bxb5 Qc7 22.
h4 Bf8 23.Bxd7 Qxd7 24.Rb5 Nc4 25.Nxc4 R3xc4 26.Rxb7 Qxa4 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.6"]
[White "Arias, Daniel"]
[Black "Puppi Lazo, Jorge Luis"]
[Result "1/2-1/2"]
[WhiteElo "2242"]
[BlackElo "2111"]
[ECO "B47"]
[EventDate "2015.07.16"]
[PlyCount "139"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.g3 a6 7.Bg2 Nf6 8.O-O h5
9.h3 Bc5 10.Nb3 Ba7 11.Bf4 Ne5 12.Nd4 d6 13.Nf3 b5 14.Nxe5 dxe5 15.Bd2 Bb7
16.a3 Bd4 17.Qe2 O-O 18.Kh1 Rac8 19.Rae1 Bc6 20.Nd1 b4 21.Bxb4 Bb5 22.Qf3 
Rfe8 23.Rg1 Qxc2 24.g4 hxg4 25.hxg4 Nh7 26.Bf1 Ng5 27.Qg2 Bc6 28.f3 Qxg2+ 
29.Bxg2 Bxg1 30.Kxg1 f6 31.Kf2 Bb5 32.Bc3 Red8 33.Ne3 Nf7 34.Bf1 Nd6 35.
Ba5 Re8 36.Rd1 Bxf1 37.Rxd6 Bb5 38.Bc3 Kf7 39.a4 Bc6 40.a5 Bb5 41.g5 Red8 
42.Rb6 Rb8 43.Rxb8 Rxb8 44.gxf6 gxf6 45.Ng4 Rc8 46.Ke3 Rh8 47.Kf2 Rh1 48.
Kg2 Rc1 49.Ne3 Kg6 50.Kf2 Bd3 51.Kg2 Rb1 52.Kf2 Bb5 53.Kg2 Ra1 54.Nc2 Rd1 
55.Ne3 Rd8 56.Ng4 Rc8 57.Kf2 Kf7 58.Kg2 Ba4 59.Ne3 Bb3 60.Kf2 Rc5 61.Ng4 
Rb5 62.Ke2 Bc4+ 63.Kf2 Kg6 64.Ne3 Bb3 65.Ng4 Rb8 66.Ne3 Rd8 67.Ng4 Bc2 68.
Ne3 Bd3 69.Ng4 Bb5 70.Ne3 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.7"]
[White "Solano Cuya, Bryan"]
[Black "Johnson, Joshua"]
[Result "1-0"]
[WhiteElo "2149"]
[BlackElo "2211"]
[ECO "A52"]
[EventDate "2015.07.16"]
[PlyCount "194"]

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4 g5 5.Bg3 Bg7 6.Nf3 Nc6 7.Nc3 Ngxe5 8.
Nxe5 Nxe5 9.e3 d6 10.Be2 Bf5 11.Qa4+ Bd7 12.Qb3 Bc6 13.Nd5 Nd7 14.Rd1 Nc5 
15.Qc2 Qd7 16.h4 h6 17.hxg5 O-O-O 18.gxh6 Bxh6 19.Rd4 Bg5 20.Rh7 Ne6 21.
Rg4 Rdf8 22.f4 Bd8 23.Qf5 Kb8 24.Bf2 Rxh7 25.Qxh7 Bxd5 26.cxd5 Nc5 27.Rg8 
Re8 28.Qh8 Rxg8 29.Qxg8 Qe7 30.b3 a6 31.g4 c6 32.dxc6 bxc6 33.g5 Kb7 34.
Bh5 Ba5+ 35.Kf1 Qe4 36.Qxf7+ Kb6 37.Bg6 Qf3 38.Qc4 Qh3+ 39.Kg1 d5 40.Qf1 
Qe6 41.Bc2 Qg4+ 42.Qg2 Qe2 43.Bf5 Nd3 44.Bxd3 Qxd3 45.Qf3 Kb7 46.f5 d4 47.
Kg2 dxe3 48.Bxe3 Bd2 49.Bf4 Qd4 50.Kg3 Bxf4+ 51.Qxf4 Qg1+ 52.Kh4 Qh1+ 53.
Kg4 Qd1+ 54.Qf3 Qd4+ 55.Kh3 Qh8+ 56.Kg2 Qh4 57.g6 Qg5+ 58.Kh3 a5 59.a3 a4 
60.b4 Ka7 61.Qg4 Qh6+ 62.Qh4 Qe3+ 63.Qg3 Qe4 64.Qc7+ Ka6 65.Qc8+ Ka7 66.
Qe6 Qd3+ 67.Kg4 Qd1+ 68.Kg5 Qd8+ 69.Kf4 Qd4+ 70.Qe4 Qf6 71.Qe8 Qh4+ 72.Kf3
Qh3+ 73.Ke2 Qg2+ 74.Ke3 Qg3+ 75.Kd2 Qh2+ 76.Ke3 Qg3+ 77.Ke2 Qg2+ 78.Kd3 
Qf1+ 79.Qe2 Qxf5+ 80.Qe4 Qf1+ 81.Kd4 Qa1+ 82.Kc5 Qc3+ 83.Kd6 Qf6+ 84.Qe6 
Qd4+ 85.Ke7 Qg7+ 86.Qf7 Qe5+ 87.Kd8+ Kb8 88.g7 Qd6+ 89.Ke8 Qe5+ 90.Kf8 
Qd6+ 91.Kg8 Qd3 92.Kf8 Qd6+ 93.Qe7 Qh6 94.Ke8 Qh5+ 95.Qf7 Qe5+ 96.Kf8 Qd6+
97.Kg8 c5 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.8"]
[White "Jimenez Garcia, Emmanuel"]
[Black "Santiago Vilca, Christian"]
[Result "1-0"]
[WhiteElo "2210"]
[BlackElo "1922"]
[ECO "E84"]
[EventDate "2015.07.16"]
[PlyCount "115"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Nge2 Nc6 7.Be3 a6 8.Qd2 Rb8 
9.Rc1 Bd7 10.d5 Ne5 11.Nd4 c5 12.dxc6 Nxc6 13.Nb3 Ne5 14.Be2 b5 15.cxb5 
axb5 16.O-O Nc4 17.Bxc4 bxc4 18.Nd4 Qa5 19.Rc2 Ra8 20.b3 Rfc8 21.Rb1 cxb3 
22.axb3 Qb4 23.Nd1 Qxd2 24.Rxd2 Rab8 25.Bf2 Rb4 26.Nc2 Rb7 27.b4 Ba4 28.
Nde3 Rbc7 29.Ne1 Bb5 30.g4 Ra7 31.g5 Nh5 32.Nd5 Rb7 33.Nc2 e6 34.Nde3 Nf4 
35.Bg3 Be5 36.Ng4 Ne2+ 37.Kf2 Nxg3 38.hxg3 Bc3 39.Rxd6 Kf8 40.Nce3 Ke7 41.
Rdd1 Ra8 42.Kg2 Ra2+ 43.Nf2 Be2 44.Rh1 Bd4 45.Neg4 Ra3 46.Rxh7 Bxf3+ 47.
Kh3 Ra2 48.Nh6 Kf8 49.Nfg4 Bxe4 50.Rd1 e5 51.Nf6 Bf5+ 52.Nxf5 gxf5 53.g6 
fxg6 54.Rxb7 g5 55.Nh7+ Ke8 56.Nxg5 Ra3 57.Rc1 Kd8 58.Ne6+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.9"]
[White "Ampie, Mauro"]
[Black "Lopez Raygoza, Luis Albert"]
[Result "1-0"]
[WhiteElo "2193"]
[BlackElo "2138"]
[ECO "B23"]
[EventDate "2015.07.16"]
[PlyCount "73"]

1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bb5 Nd4 6.O-O Nxb5 7.Nxb5 d5 8.e5 d4
9.c3 a6 10.Na3 Nh6 11.cxd4 cxd4 12.Qa4+ Bd7 13.Qxd4 O-O 14.b3 Nf5 15.Qf2 
Bc6 16.Bb2 Bxf3 17.Qxf3 Qxd2 18.Nc4 Qb4 19.g4 Qc5+ 20.Qf2 Qxf2+ 21.Kxf2 
Nh6 22.h3 f5 23.g5 Nf7 24.Ba3 b5 25.Nb6 Ra7 26.Rac1 Rb7 27.Nd5 Re8 28.e6 
Nd6 29.Bxd6 exd6 30.Rfe1 Bd4+ 31.Kf3 Kg7 32.Rc6 Ra7 33.Rxd6 Bc5 34.Rd7+ 
Rxd7 35.exd7 Rd8 36.Nc7 Kf7 37.Ne6 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.10"]
[White "Escalante Ramirez, Brian Sebas"]
[Black "Munoz, Randall"]
[Result "1-0"]
[WhiteElo "2389"]
[BlackElo "1706"]
[ECO "B92"]
[EventDate "2015.07.16"]
[PlyCount "55"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nf3 Be6 8.Ng5 
Qc8 9.Nxe6 fxe6 10.g4 b5 11.g5 b4 12.gxf6 bxc3 13.fxg7 Bxg7 14.Qxd6 h5 15.
Rg1 Ra7 16.Rb1 Kf7 17.Rxg7+ Kxg7 18.Qxe5+ Kg8 19.bxc3 Nc6 20.Qc5 Rc7 21.
Bf4 Rb7 22.Rb3 Rxb3 23.Qg5+ Kf8 24.Qf6+ Kg8 25.Qg6+ Kf8 26.Bd6+ Ne7 27.
Qf6+ Kg8 28.Qg5+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.11"]
[White "De Leon, Gabriel"]
[Black "Husbands, Orlando"]
[Result "0-1"]
[WhiteElo "1804"]
[BlackElo "2234"]
[ECO "B21"]
[EventDate "2015.07.16"]
[PlyCount "62"]

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Bc4 e6 6.Nf3 a6 7.Bb3 Nge7 8.O-O 
Ng6 9.Qe2 Be7 10.Be3 b5 11.Rfd1 O-O 12.Rac1 Na5 13.Bc2 Nc4 14.b3 Nxe3 15.
Qxe3 Bb7 16.Nd4 Bg5 17.Qg3 Bxc1 18.Rxc1 Rc8 19.h4 Qxh4 20.Qxh4 Nxh4 21.
Nce2 e5 22.Nf5 Nxf5 23.exf5 Rc7 24.Bd3 Rxc1+ 25.Nxc1 Rc8 26.Ne2 e4 27.Bb1 
d5 28.Kh2 Kf8 29.f3 exf3 30.gxf3 Re8 31.Bd3 Re3 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.12"]
[White "Santos, Oliver"]
[Black "Giron, Jorge Ernesto"]
[Result "0-1"]
[WhiteElo "1690"]
[BlackElo "2223"]
[ECO "B21"]
[EventDate "2015.07.16"]
[PlyCount "58"]

1.e4 c5 2.d4 cxd4 3.c3 d3 4.Bxd3 d6 5.Nf3 Nc6 6.Bf4 Qc7 7.Nbd2 Nf6 8.Rc1 
h6 9.h3 g5 10.Bh2 g4 11.hxg4 Nxg4 12.Bg3 Rg8 13.a4 a6 14.b4 Nge5 15.Nc4 
Bg4 16.b5 axb5 17.axb5 Nxc4 18.Bxc4 Na5 19.Be2 e5 20.Qa4 b6 21.Nd2 Bxe2 
22.Kxe2 Be7 23.Nb1 Bg5 24.Rc2 Ke7 25.c4 Nc6 26.Nc3 Nd4+ 27.Kd3 Rxa4 28.
Nd5+ Kd7 29.Nxc7 Nxc2 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.13"]
[White "Melara, Moises"]
[Black "Ulloa, Ruben Guillermo"]
[Result "1-0"]
[WhiteElo "1772"]
[BlackElo "2016"]
[ECO "B14"]
[EventDate "2015.07.16"]
[PlyCount "65"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 g6 6.Nf3 Bg7 7.c5 O-O 8.Bf4 Nc6
9.Bb5 Bd7 10.O-O Rc8 11.Re1 Bg4 12.Bxc6 Rxc6 13.h3 Bf5 14.Ne5 Rc8 15.g4 
Be6 16.Qd2 h5 17.Nxg6 fxg6 18.Rxe6 hxg4 19.hxg4 Qd7 20.Rae1 Ne4 21.R1xe4 
dxe4 22.Rxg6 Rf6 23.Rg5 Rcc6 24.d5 Ra6 25.d6 exd6 26.Nxe4 Rf7 27.Nxd6 Ra4 
28.Nxf7 Qxd2 29.Nh6+ Kh7 30.Bxd2 Kxh6 31.c6 Rd4 32.c7 Rxd2 33.Rh5+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.14"]
[White "Ortiz Perez, Carlos"]
[Black "Ruballo, Jose"]
[Result "1/2-1/2"]
[WhiteElo "1901"]
[BlackElo "1662"]
[ECO "B34"]
[EventDate "2015.07.16"]
[PlyCount "123"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Be2 O-O 8.Qd2 
d6 9.f3 Bd7 10.O-O-O Rc8 11.g4 Ne5 12.h4 h5 13.g5 Ne8 14.f4 Nc4 15.Bxc4 
Rxc4 16.Qd3 Rc8 17.f5 Nc7 18.Rhf1 b5 19.fxg6 fxg6 20.Rxf8+ Qxf8 21.Ncxb5 
Nxb5 22.Nxb5 Be6 23.b3 a6 24.Nd4 Bf7 25.Rf1 Qd8 26.Kb1 Qa5 27.c4 Qb4 28.
Rc1 a5 29.Nc2 Qb7 30.Na3 a4 31.Rc2 axb3 32.axb3 Ra8 33.Ra2 Be5 34.Bd2 Qc6 
35.Nb5 Rxa2 36.Kxa2 Qc8 37.Na3 Qa6 38.Be3 Qa5 39.Bd4 Bf4 40.Bc3 Qa7 41.Qf3
e5 42.Qg2 Be8 43.Kb2 Bc6 44.Nc2 Qb7 45.Qh3 Kf7 46.b4 Bxe4 47.Kb3 Bf5 48.
Qf1 Qe4 49.Qd1 Ke6 50.Na3 Qd3 51.Qxd3 Bxd3 52.Be1 e4 53.b5 Bc1 54.Nc2 
Bxc2+ 55.Kxc2 Be3 56.Kc3 d5 57.Bg3 dxc4 58.Kxc4 Bb6 59.Be1 e3 60.Kd3 Kf5 
61.Ke2 Ke4 62.Bg3 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.15"]
[White "Mendez, Alan Steven"]
[Black "Colorado, Efrain"]
[Result "1/2-1/2"]
[WhiteElo "1744"]
[BlackElo "1841"]
[ECO "C77"]
[EventDate "2015.07.16"]
[PlyCount "64"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.c3 a6 6.Ba4 b5 7.Bc2 Be7 8.O-O O-O 
9.Nbd2 Nb8 10.Re1 Nbd7 11.d4 c5 12.Nf1 Qc7 13.dxe5 dxe5 14.Ne3 Re8 15.Nd5 
Nxd5 16.Qxd5 Bb7 17.Qd3 Rad8 18.Qe2 Nf6 19.Bg5 h6 20.Bh4 Nh7 21.Bg3 Bf6 
22.Rad1 Ng5 23.Nxg5 Bxg5 24.h4 Bf6 25.Qh5 Qe7 26.a4 Bc6 27.axb5 axb5 28.
Qg4 Bd7 29.Qh5 Bc6 30.Qg4 Bd7 31.Qh5 Bc6 32.Qg4 Bd7 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.16"]
[White "Guzman, Oswaldo"]
[Black "Garcia Flores, Aristides"]
[Result "1-0"]
[WhiteElo "2066"]
[ECO "C43"]
[EventDate "2015.07.16"]
[PlyCount "37"]

1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Nd5 5.Qxd4 Nb6 6.Bf4 Nc6 7.Qd2 Be7 8.Nc3 
Nc4 9.Bxc4 O-O 10.O-O Re8 11.Rfe1 b6 12.Rad1 a5 13.Nd5 Bb7 14.Nxe7+ Rxe7 
15.Bg5 Qe8 16.Bxe7 Nxe7 17.Ng5 Kh8 18.Nxf7+ Kg8 19.Nd6+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.17"]
[White "Ventura, Ismael Emerson"]
[Black "Deras, Rafael"]
[Result "0-1"]
[ECO "C00"]
[EventDate "2015.07.16"]
[PlyCount "66"]

1.e4 e6 2.Nf3 d5 3.Nc3 c5 4.e5 Nc6 5.d3 Qb6 6.Be2 f6 7.exf6 Nxf6 8.O-O Bd6
9.b3 O-O 10.Bg5 Bd7 11.Qd2 Qc7 12.Nb5 Qb8 13.Nxd6 Qxd6 14.h3 b6 15.Rfe1 e5
16.Bd1 Nh5 17.c3 Nf4 18.Bxf4 Rxf4 19.Kf1 Raf8 20.Ke2 d4 21.c4 Bxh3 22.Rg1 
Bg4 23.Ke1 e4 24.dxe4 Rxe4+ 25.Be2 d3 26.Kd1 dxe2+ 27.Kc2 Nb4+ 28.Kb2 Qf6+
29.Ka3 Bxf3 30.gxf3 Qxf3 31.Rxg7+ Kxg7 32.Qd7+ Kh8 33.Rg1 Qc3 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.18"]
[White "Valencia, Oscar"]
[Black "Hernandez, Diego"]
[Result "0-1"]
[WhiteElo "1728"]
[BlackElo "1950"]
[ECO "A40"]
[EventDate "2015.07.16"]
[PlyCount "68"]

1.d4 g6 2.c4 Bg7 3.Nc3 c5 4.d5 d6 5.e4 Bxc3+ 6.bxc3 f5 7.Bd3 fxe4 8.Bxe4 
Nf6 9.Bd3 Nbd7 10.Nf3 Qa5 11.Qc2 Nb6 12.O-O Bg4 13.Ng5 Qa4 14.Qb3 Bf5 15.
Bxf5 gxf5 16.Rb1 Rb8 17.Qxa4+ Nxa4 18.Ne6 Rg8 19.Nc7+ Kd7 20.Nb5 a6 21.Na3
Nxc3 22.Rb2 b5 23.Be3 bxc4 24.Rxb8 Rxb8 25.Nxc4 Nfxd5 26.Re1 Nxe3 27.Nxe3 
e6 28.h3 Rb1 29.Rxb1 Nxb1 30.g4 fxg4 31.hxg4 Nc3 32.a3 d5 33.f4 Ne2+ 34.
Kf2 Nxf4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.19"]
[White "Rodriguez, Wilfredo"]
[Black "Pinto, Alejandro"]
[Result "1-0"]
[WhiteElo "1631"]
[BlackElo "1728"]
[ECO "B98"]
[EventDate "2015.07.16"]
[PlyCount "67"]

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 h6 10.Bxf6 Bxf6 11.g4 Qc7 12.h4 b5 13.Ndxb5 axb5 14.Nxb5 
Bxb2+ 15.Kxb2 Rb8 16.Kc1 Qa5 17.Nxd6+ Ke7 18.Bc4 Ba6 19.Bxa6 Qxa6 20.Qd3 
Qxd3 21.Rxd3 Nf6 22.g5 hxg5 23.fxg5 Ng4 24.Rd2 Rbd8 25.Nc4 Ra8 26.a3 Ra4 
27.Rhd1 Rb8 28.Rd7+ Ke8 29.Rc7 Nf2 30.Rf1 Nxe4 31.Rcxf7 Rb5 32.Rf8+ Kd7 
33.R1f7+ Kc6 34.Rc8+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.20"]
[White "Ariza, Luis"]
[Black "Lemus, Hector"]
[Result "0-1"]
[BlackElo "1616"]
[ECO "C42"]
[EventDate "2015.07.16"]
[PlyCount "74"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3 Nxc3 6.dxc3 Bg4 7.Be3 Be7 8.
Bd3 Nc6 9.Qd2 Bxf3 10.gxf3 Ne5 11.Be2 Qd7 12.O-O-O O-O 13.Rdg1 Kh8 14.h4 
Rg8 15.h5 Qe6 16.b3 Bf6 17.f4 Nd7 18.Bg4 Qe7 19.Bf5 Rad8 20.Bxh7 Kxh7 21.
Qd3+ Kh8 22.f5 Kh7 23.h6 g6 24.fxg6+ fxg6 25.Rh2 Ne5 26.Qe4 d5 27.Qf4 Rdf8
28.Rhg2 Bh8 29.Qh2 Nf3 30.Qh1 Nxg1 31.Qxg1 Bxc3 32.Kb1 d4 33.Bc1 a5 34.Qf1
a4 35.Qc4 axb3 36.cxb3 Qe4+ 37.Qd3 Qxd3# 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.21"]
[White "Salazar, David"]
[Black "Garcia, Daniel Alejandro"]
[Result "1-0"]
[BlackElo "1375"]
[ECO "B31"]
[EventDate "2015.07.16"]
[PlyCount "79"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Bxc6 bxc6 6.e5 e6 7.Re1 Ne7 8.d3 
O-O 9.Be3 d6 10.exd6 Qxd6 11.c3 Ba6 12.d4 Rfd8 13.Nbd2 cxd4 14.Bxd4 Bxd4 
15.Nxd4 c5 16.N4b3 Nf5 17.Ne4 Qb6 18.Qg4 c4 19.Nbc5 Bb7 20.Nxb7 Qxb7 21.b4
cxb3 22.axb3 Nd6 23.Nxd6 Rxd6 24.b4 Rc6 25.Qe4 Rac8 26.Ra3 Qc7 27.Re3 Qd6 
28.g3 R6c7 29.Rd3 Qb6 30.Qd4 Qxd4 31.Rxd4 Rxc3 32.Rxa7 Rf3 33.b5 Rc2 34.b6
Rcxf2 35.b7 Rf1+ 36.Kg2 R3f2+ 37.Kh3 Rh1 38.b8=Q+ Kg7 39.Qe5+ Kh6 40.Rh4# 
1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.18"]
[Round "5.22"]
[White "Rodriguez, Andres"]
[Black "Perez, Denys"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "2015.07.16"]
[PlyCount "46"]

1.c4 c5 2.g3 e6 3.Bg2 Ne7 4.e4 d5 5.exd5 exd5 6.cxd5 Nxd5 7.Ne2 Nc6 8.Nbc3
Be6 9.O-O Be7 10.a3 O-O 11.Bxd5 Bxd5 12.Nxd5 Qxd5 13.Rb1 Rfe8 14.Nc3 Qd3 
15.Kg2 Bf6 16.Qf3 Qxf3+ 17.Kxf3 Ne5+ 18.Kg2 Nd3 19.b4 Bxc3 20.dxc3 Nxc1 
21.Rbxc1 cxb4 22.cxb4 a5 23.b5 b6 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.1"]
[White "Cori Quispe, Kevin"]
[Black "Tang, Andrew"]
[Result "1/2-1/2"]
[WhiteElo "2369"]
[BlackElo "2365"]
[ECO "C45"]
[EventDate "2015.07.16"]
[PlyCount "29"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.Qe2 Qe7 7.Nc3 Qe6 8.
Bd2 Bb4 9.f3 a5 10.Qe3 O-O 11.a3 Bxc3 12.Bxc3 Nd5 13.Qd4 Nxc3 14.Qxc3 Ba6 
15.Bxa6 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.2"]
[White "Singh, Vishnu"]
[Black "Chavez Estevez, Hayler David"]
[Result "0-1"]
[WhiteElo "2200"]
[BlackElo "2347"]
[ECO "A58"]
[EventDate "2015.07.16"]
[PlyCount "104"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.g3 g6 7.Bg2 d6 8.Nf3 Bg7 
9.O-O O-O 10.Nc3 Nbd7 11.h3 Qc7 12.Rb1 Rfb8 13.b3 Ra7 14.Qc2 Rab7 15.Be3 
Qa5 16.Rfc1 Ne8 17.Nd2 Bxc3 18.Qxc3 Qxc3 19.Rxc3 Bxe2 20.Re1 Ba6 21.Bf4 
Nb6 22.Rce3 Nc8 23.Bg5 f6 24.Bh6 Kf7 25.h4 Bb5 26.Bh3 Bd7 27.Be6+ Bxe6 28.
dxe6+ Kg8 29.Rd3 Nb6 30.Bf4 Nc7 31.Ne4 Nbd5 32.Bd2 Ra7 33.Ra1 Nb4 34.Bxb4 
Rxb4 35.Re3 f5 36.Ng5 Kg7 37.a4 h6 38.Nf7 Ra8 39.a5 Rb5 40.a6 Rb6 41.a7 
Rb7 42.f3 Rbxa7 43.Rd1 Ra1 44.Rxa1 Rxa1+ 45.Kg2 Rd1 46.Nd8 Kf6 47.Kf2 h5 
48.Ke2 Ra1 49.Nc6 Nxe6 50.Kf2 Ra6 51.Nb8 Ra2+ 52.Kf1 Nd4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.3"]
[White "Benedetti, Julio"]
[Black "Ampie, Mauro"]
[Result "1-0"]
[WhiteElo "2313"]
[BlackElo "2193"]
[ECO "B48"]
[EventDate "2015.07.16"]
[PlyCount "69"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Qd2 Nf6 8.f4 b5
9.e5 b4 10.Ncb5 axb5 11.Nxb5 Qb8 12.exf6 gxf6 13.c4 bxc3 14.Nxc3 Rg8 15.
Rd1 Be7 16.Bd3 f5 17.O-O h5 18.Be2 h4 19.Bf3 Kf8 20.Rfe1 Ra6 21.Qe2 d6 22.
a3 Bb7 23.Nb5 Nd8 24.Nd4 Qa8 25.Rd2 Bf6 26.Bxb7 Qxb7 27.Nb5 h3 28.g3 Be7 
29.Nd4 Bf6 30.Nf3 Nc6 31.Rxd6 Qxb2 32.Qxb2 Bxb2 33.Rb1 Bxa3 34.Ra1 Ke7 35.
Rd3 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.4"]
[White "Lopez Gonzalez, Abel Fabian"]
[Black "Solano Cuya, Bryan"]
[Result "1/2-1/2"]
[WhiteElo "2251"]
[BlackElo "2149"]
[ECO "A01"]
[EventDate "2015.07.16"]
[PlyCount "80"]

1.b3 e5 2.Bb2 Nc6 3.e3 a6 4.c4 Nf6 5.Nf3 d6 6.Be2 Be7 7.O-O O-O 8.Nc3 h6 
9.Qc2 Bg4 10.a3 Qd7 11.b4 Rfe8 12.Rac1 Rad8 13.d3 Bf8 14.Nd5 Nh7 15.h3 Be6
16.Nd2 Ne7 17.Nxe7+ Bxe7 18.c5 c6 19.cxd6 Bxd6 20.Ne4 Bf5 21.Rfd1 Bb8 22.
Qc3 Qe7 23.Ng3 Bc8 24.Rd2 Qh4 25.Qc5 Ng5 26.Rc4 e4 27.Nf5 Bxf5 28.Qxf5 Rd5
29.Qg4 Qxg4 30.hxg4 exd3 31.Rxd3 Rxd3 32.Bxd3 Ne6 33.Kf1 Rd8 34.Ke2 Kf8 
35.g3 Ba7 36.f4 Bb6 37.Bc2 a5 38.Re4 axb4 39.axb4 c5 40.Bb3 Nc7 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.5"]
[White "Carrera Gonzalez, Enmanuel"]
[Black "Jimenez Garcia, Emmanuel"]
[Result "0-1"]
[WhiteElo "2171"]
[BlackElo "2210"]
[ECO "B41"]
[EventDate "2015.07.16"]
[PlyCount "66"]

1.e4 c5 2.Ne2 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 d6 7.Be2 Be7 8.O-O O-O
9.Be3 Nbd7 10.f4 Qc7 11.Rc1 Re8 12.g4 Nc5 13.Bf3 e5 14.Nf5 Bxf5 15.exf5 
exf4 16.Bxf4 Bf8 17.g5 Nfe4 18.Nd5 Qd8 19.b4 Nd7 20.Re1 Nxg5 21.Rxe8 Nh3+ 
22.Kf1 Qxe8 23.Nc7 Qd8 24.Nxa8 Nxf4 25.Bxb7 Ne5 26.Qb3 Ned3 27.Qc2 Qe7 28.
Bc6 Nxc1 29.Qxc1 Qe2+ 30.Kg1 Nh3+ 31.Kh1 d5 32.Bxd5 Bd6 33.Bg2 Qe5 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.6"]
[White "Giron, Jorge Ernesto"]
[Black "Escalante Ramirez, Brian Sebas"]
[Result "0-1"]
[WhiteElo "2223"]
[BlackElo "2389"]
[ECO "C05"]
[EventDate "2015.07.16"]
[PlyCount "78"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ngf3 cxd4 8.cxd4 
f6 9.exf6 Nxf6 10.O-O Bd6 11.Bb5 Qb6 12.Bxc6+ bxc6 13.Re1 O-O 14.Qc2 Bd7 
15.Nb3 Ne4 16.Rxe4 dxe4 17.Qxe4 Qb5 18.Be3 Qd5 19.Ng5 Rf5 20.Qg4 Be7 21.
Nf3 h5 22.Qg3 Bd6 23.Qh4 Raf8 24.Rc1 e5 25.dxe5 Bxe5 26.Nxe5 Rxe5 27.h3 
Re4 28.Qg3 h4 29.Qc7 Rc8 30.Qxa7 Bxh3 31.Qa6 Rf8 32.Qxc6 Qxc6 33.Rxc6 Rg4 
34.Kh2 Bxg2 35.Rc1 Rf3 36.Kg1 Rh3 37.f3 Bxf3+ 38.Kf2 Rg2+ 39.Kf1 Rh1+ 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.7"]
[White "Puppi Lazo, Jorge Luis"]
[Black "Hernandez Sanchez, Jairo Andre"]
[Result "1/2-1/2"]
[WhiteElo "2111"]
[BlackElo "2381"]
[ECO "B32"]
[EventDate "2015.07.16"]
[PlyCount "83"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6 6.N1c3 a6 7.Na3 b5 8.Nd5 
Nce7 9.c4 Nxd5 10.exd5 bxc4 11.Nxc4 Be7 12.Be3 Rb8 13.Rc1 Nf6 14.Be2 O-O 
15.O-O Rb5 16.a4 Rb8 17.a5 Bb7 18.Nb6 Nd7 19.b4 f5 20.f3 Nxb6 21.Bxb6 Qe8 
22.Qb3 Qf7 23.Rfd1 Bd8 24.b5 Bxb6+ 25.axb6 axb5 26.Rc7 Qf6 27.Qxb5 e4 28.
Qd7 Bc8 29.Qc6 Qb2 30.Bb5 exf3 31.gxf3 f4 32.b7 Bh3 33.Bf1 Qb3 34.Re1 Bf5 
35.Bg2 Qb4 36.Re2 Qd4+ 37.Rf2 Rfe8 38.Bf1 Qb4 39.Rg2 Qd4+ 40.Rf2 Qb4 41.
Rg2 Qd4+ 42.Rf2 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.8"]
[White "Squella Lavin, Carlos Felipe"]
[Black "Arias, Daniel"]
[Result "1/2-1/2"]
[WhiteElo "2183"]
[BlackElo "2242"]
[ECO "E63"]
[EventDate "2015.07.16"]
[PlyCount "82"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 d6 6.Nf3 Nc6 7.O-O a6 8.Bf4 Rb8 
9.c5 Bg4 10.d5 Bxf3 11.Bxf3 Na7 12.cxd6 cxd6 13.Be3 Nc8 14.a4 Nd7 15.Bg2 
b5 16.axb5 axb5 17.Bd4 Bxd4 18.Qxd4 b4 19.Na4 Ncb6 20.Bh3 Nxa4 21.Rxa4 Qb6
22.Qxb6 Nxb6 23.Rxb4 Nxd5 24.Rd4 Nb4 25.Rc1 d5 26.f4 e6 27.b3 Rb6 28.Bg2 
f5 29.Bf3 h5 30.h3 Rfb8 31.g4 hxg4 32.hxg4 Rc6 33.Rdd1 Kf7 34.gxf5 gxf5 
35.Kf2 Rxc1 36.Rxc1 Ke7 37.Rc3 Kd6 38.e3 Na2 39.Rc2 Nb4 40.Rc3 Na2 41.Rc2 
Nb4 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.9"]
[White "Husbands, Orlando"]
[Black "Melara, Moises"]
[Result "1-0"]
[WhiteElo "2234"]
[BlackElo "1772"]
[ECO "C17"]
[EventDate "2015.07.16"]
[PlyCount "87"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5 6.b4 cxd4 7.Qg4 Ne7 8.Qxg7 Rg8 
9.Qxh7 Qc7 10.Nce2 Bb6 11.f4 Nbc6 12.Nf3 Bd7 13.Ng5 O-O-O 14.Nxf7 Rdf8 15.
Nd6+ Kb8 16.Qd3 Ng6 17.Nb5 Qd8 18.a4 Nxb4 19.Qb3 Ba5 20.Bd2 Nc6 21.g3 
Bxd2+ 22.Kxd2 Na5 23.Qb4 Nc4+ 24.Kc1 Bxb5 25.axb5 Qb6 26.Kb1 Rc8 27.Nc1 
Rc5 28.Bxc4 dxc4 29.Ra5 Ne7 30.Na2 Nd5 31.Qa4 Rgc8 32.h4 c3 33.Rd1 Rc4 34.
Qa3 R8c5 35.Ka1 Ne3 36.Rc1 Nf5 37.h5 a6 38.g4 Ne3 39.h6 Qc7 40.Nb4 Nxg4 
41.Rxa6 Qd7 42.Ra8+ Kc7 43.Qa5+ b6 44.Qa7# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.10"]
[White "Johnson, Joshua"]
[Black "Hernandez, Mauricio Daniel"]
[Result "0-1"]
[WhiteElo "2211"]
[BlackElo "1926"]
[ECO "C78"]
[EventDate "2015.07.16"]
[PlyCount "100"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.c3 d6 8.d4 Bb6 
9.h3 O-O 10.Re1 h6 11.Qd3 Bb7 12.Nbd2 Re8 13.a3 Qd7 14.Ba2 Rad8 15.Nf1 d5 
16.dxe5 Nxe5 17.Nxe5 Rxe5 18.Qg3 Nxe4 19.Qxe5 Bxf2+ 20.Kh1 Re8 21.Rxe4 
Rxe5 22.Rxe5 d4 23.Kh2 dxc3 24.Re2 Qd6+ 25.Kh1 Bd4 26.bxc3 Bxc3 27.Bb2 
Bxb2 28.Rxb2 Qf6 29.Rab1 Be4 30.Re2 Bxb1 31.Re8+ Kh7 32.Bxb1+ g6 33.Bd3 
Qd6 34.Re3 Kg7 35.Be2 c5 36.Bf3 c4 37.Re2 Qxa3 38.Ne3 Qc5 39.Kg1 a5 40.Kf2
b4 41.Bd5 c3 42.Bb3 Qa7 43.Ra2 f5 44.Ke2 Qd4 45.Rxa5 Qd2+ 46.Kf3 Qb2 47.
Ra7+ Kf8 48.Be6 c2 49.Nd5 Qa3+ 50.Rxa3 bxa3 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.11"]
[White "Ruballo, Jose"]
[Black "Lopez Raygoza, Luis Albert"]
[Result "0-1"]
[WhiteElo "1662"]
[BlackElo "2138"]
[ECO "C70"]
[EventDate "2015.07.16"]
[PlyCount "86"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nge7 5.c3 g6 6.O-O Bg7 7.d3 O-O 8.Re1 h6 
9.Nbd2 Kh7 10.Nf1 b5 11.Bb3 d5 12.Ne3 Be6 13.Bd2 Qd7 14.a4 f5 15.Nc2 Rad8 
16.axb5 axb5 17.Ra6 fxe4 18.dxe4 Bg4 19.exd5 Bxf3 20.gxf3 Nxd5 21.Bxh6 
Bxh6 22.Bxd5 Nb8 23.Re6 Qxd5 24.Qxd5 Rxd5 25.R1xe5 Rxe5 26.Rxe5 c6 27.Nd4 
Rf7 28.Re6 Bg7 29.Nxc6 Nxc6 30.Rxc6 Rxf3 31.Rc5 Rf5 32.Rxf5 gxf5 33.Kg2 
Kg6 34.Kf3 Kg5 35.h4+ Kf6 36.Ke3 Ke5 37.b3 Bh6+ 38.Kd3 Kf4 39.Ke2 Kg4 40.
c4 bxc4 41.bxc4 Bf8 42.f3+ Kxh4 43.Ke3 Bc5+ 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.12"]
[White "Colorado, Efrain"]
[Black "Guzman, Oswaldo"]
[Result "1-0"]
[WhiteElo "1841"]
[BlackElo "2066"]
[ECO "B90"]
[EventDate "2015.07.16"]
[PlyCount "133"]

1.e4 c5 2.Nc3 a6 3.Nf3 d6 4.d4 cxd4 5.Nxd4 Nf6 6.Be3 e5 7.Nb3 Be7 8.f3 Be6
9.Qd2 O-O 10.Be2 a5 11.a4 Na6 12.O-O Nb4 13.Nc1 d5 14.exd5 Nfxd5 15.Nxd5 
Nxd5 16.Nd3 Nxe3 17.Qxe3 Qd4 18.Qxd4 exd4 19.Nf4 Bd7 20.Nd5 Bc5 21.Bd3 Bc6
22.Nf4 Rfe8 23.b3 Bd6 24.Ne2 Bb4 25.Ng3 g6 26.Rf2 Kg7 27.Re2 f5 28.Rxe8 
Rxe8 29.Ne2 Rd8 30.Kf2 Kf6 31.Rc1 Bc5 32.Ng3 b6 33.Ne2 Be8 34.Kf1 Bf7 35.
Ng3 h5 36.Kf2 Bf8 37.Ne2 Bh6 38.f4 Bf8 39.h4 Bc5 40.g3 Bd5 41.Ng1 Re8 42.
Nf3 Re3 43.Ne5 Bd6 44.Nc4 Rf3+ 45.Ke2 Bc7 46.Rg1 Ke6 47.Nd2 Re3+ 48.Kf2 
Kf6 49.Re1 Rxe1 50.Kxe1 Ke7 51.Kf2 Ke6 52.Nf3 Bxf3 53.Kxf3 Kd5 54.Bc4+ Kc5
55.Ke2 Kd6 56.Bf7 g5 57.hxg5 h4 58.gxh4 Ke7 59.Bg6 Bxf4 60.Kf3 Bd2 61.Bxf5
Kf7 62.Kg4 Kg7 63.h5 Kh8 64.Be6 Kg7 65.h6+ Kh8 66.Kh5 d3 67.cxd3 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.13"]
[White "Munoz, Randall"]
[Black "Hernandez, Diego"]
[Result "1/2-1/2"]
[WhiteElo "1706"]
[BlackElo "1950"]
[ECO "B34"]
[EventDate "2015.07.16"]
[PlyCount "129"]

1.d4 g6 2.e4 Bg7 3.Nf3 c5 4.Be2 cxd4 5.Nxd4 Nc6 6.Be3 Nf6 7.Nc3 O-O 8.g4 
d5 9.Nxc6 bxc6 10.e5 Nd7 11.f4 Rb8 12.Na4 Qa5+ 13.c3 c5 14.O-O e6 15.g5 
Rd8 16.b3 Bf8 17.h4 Nb6 18.Nxb6 Qxb6 19.Qc2 d4 20.cxd4 cxd4 21.Bf2 Bb7 22.
Rac1 Rbc8 23.Qd3 Bc5 24.Kh2 Qc6 25.Rg1 Qd5 26.Kg3 Qe4 27.Qxe4 Bxe4 28.Bf3 
Bf5 29.Rgd1 Kg7 30.Bxd4 Bxd4 31.Rxc8 Rxc8 32.Rxd4 Rc3 33.Rd2 Be4 34.Rf2 
Rd3 35.Kg2 Bf5 36.Re2 h5 37.Kf2 a5 38.Be4 Bxe4 39.Rxe4 Rh3 40.Ra4 Rxh4 41.
Kg3 Rg4+ 42.Kf3 Rg1 43.Kf2 Rg4 44.Kf3 Rg1 45.Rxa5 h4 46.Rc5 Rg3+ 47.Kf2 
Rg4 48.Kf3 Rg3+ 49.Kf2 Rg4 50.Rc4 h3 51.Kf3 h2 52.Kxg4 h1=Q 53.Ra4 Kf8 54.
Kg3 Ke8 55.Kf2 Kd7 56.Ke3 Kc6 57.Kd3 Qf1+ 58.Kc3 Qf3+ 59.Kc2 Kc5 60.Rc4+ 
Kd5 61.a4 Qe3 62.Kb2 Qd2+ 63.Ka3 Qe1 64.Kb2 Qe2+ 65.Kc3 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.14"]
[White "Deras, Rafael"]
[Black "Ortiz Perez, Carlos"]
[Result "0-1"]
[BlackElo "1901"]
[ECO "B50"]
[EventDate "2015.07.16"]
[PlyCount "78"]

1.e4 c5 2.Nc3 d6 3.Nf3 Nf6 4.Bb5+ Bd7 5.d3 e6 6.Bg5 Be7 7.Bc4 a6 8.a3 b5 
9.Ba2 Nc6 10.O-O O-O 11.Re1 Qc7 12.Qe2 Rac8 13.Rac1 h6 14.Bh4 Kh8 15.e5 
dxe5 16.Ne4 Nxe4 17.Bxe7 Nxe7 18.Qxe4 f6 19.Nh4 Qd6 20.Ng6+ Nxg6 21.Qxg6 
Be8 22.Qg4 Bf7 23.Re3 Qd4 24.Qxd4 exd4 25.Re2 e5 26.Bxf7 Rxf7 27.g4 g6 28.
Kg2 Kg7 29.h3 c4 30.dxc4 Rxc4 31.b3 Rc3 32.Ree1 Rfc7 33.f3 Rxc2+ 34.Rxc2 
Rxc2+ 35.Kg3 Rc3 36.a4 b4 37.Rb1 a5 38.h4 Kf7 39.Kf2 Ke6 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.15"]
[White "Santiago Vilca, Christian"]
[Black "De Leon, Gabriel"]
[Result "1-0"]
[WhiteElo "1922"]
[BlackElo "1804"]
[ECO "E97"]
[EventDate "2015.07.16"]
[PlyCount "67"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Nc6 7.O-O e5 8.d5 Ne7 
9.b4 Ne8 10.c5 f5 11.Nd2 f4 12.Nc4 Rf7 13.a4 Bf8 14.Ba3 g5 15.b5 Ng6 16.
Rb1 Rg7 17.b6 g4 18.bxc7 Qh4 19.g3 Qh5 20.Re1 Nh4 21.Nd2 Rg6 22.Bc1 Nf6 
23.Kh1 Nf3 24.Bxf3 gxf3 25.Qxf3 Bg4 26.Qd3 Bh3 27.Nf3 Kh8 28.Rg1 Bg4 29.
Nh4 Rh6 30.Rxb7 Rc8 31.f3 fxg3 32.fxg4 Qxh4 33.Qxg3 Nxg4 34.Bxh6 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.16"]
[White "Ulloa, Ruben Guillermo"]
[Black "Mendez, Alan Steven"]
[Result "1-0"]
[WhiteElo "2016"]
[BlackElo "1744"]
[ECO "E18"]
[EventDate "2015.07.16"]
[PlyCount "41"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 Be7 5.Bg2 O-O 6.O-O b6 7.Nc3 Bb7 8.cxd5 
Nxd5 9.Re1 c5 10.e4 Nxc3 11.bxc3 Nc6 12.d5 exd5 13.exd5 Na5 14.Ne5 Bf6 15.
f4 Re8 16.Qd3 Qd6 17.Qe4 Rad8 18.c4 b5 19.Bd2 Nxc4 20.Nxc4 Bd4+ 21.Qxd4 
1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.17"]
[White "Lemus, Hector"]
[Black "Santos, Oliver"]
[Result "0-1"]
[WhiteElo "1616"]
[BlackElo "1690"]
[ECO "C45"]
[EventDate "2015.07.16"]
[PlyCount "70"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Be2 d5 8.Nxc6
Bxe3 9.fxe3 Qh4+ 10.Kf1 Qf6+ 11.Bf3 bxc6 12.Nd2 Ba6+ 13.Kf2 O-O 14.Re1 Qe5
15.Kg1 Rad8 16.Qc2 Rd6 17.Rad1 Rh6 18.h3 Qg3 19.Bg4 Qe5 20.Bf3 Rg6 21.a3 
f5 22.exd5 cxd5 23.Nb3 Qg3 24.Qf2 Qxh3 25.Bxd5+ Nxd5 26.Rxd5 Bc4 27.Rc5 
Bxb3 28.Rxc7 Bd5 29.Re2 Rxg2+ 30.Qxg2 Bxg2 31.Rxg2 Qxe3+ 32.Kh1 Qe1+ 33.
Rg1 Qh4+ 34.Kg2 Qg4+ 35.Kh1 Qh3# 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.18"]
[White "Garcia Flores, Aristides"]
[Black "Rodriguez, Wilfredo"]
[Result "0-1"]
[BlackElo "1631"]
[ECO "C45"]
[EventDate "2015.07.16"]
[PlyCount "72"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nc3 Bb4 6.Nxc6 Qxe4+ 7.Be3 Qxc6 
8.Bd2 Ne7 9.Qf3 O-O 10.Qxc6 Nxc6 11.O-O-O d6 12.Bd3 Be6 13.Rhe1 Rfe8 14.a3
Ba5 15.Nb5 Bxd2+ 16.Rxd2 Re7 17.Be4 Bc4 18.Nc3 Rae8 19.Rdd1 d5 20.Bxd5 
Rxe1 21.Rxe1 Rxe1+ 22.Kd2 Bxd5 23.Kxe1 Bxg2 24.Nb5 Kf8 25.Nxc7 a6 26.c4 
Ke7 27.Nd5+ Bxd5 28.cxd5 Ne5 29.f4 Nc4 30.Ke2 Kd6 31.Kf3 Kxd5 32.Kg4 Nxb2 
33.h4 b5 34.f5 a5 35.h5 h6 36.Kh4 Ke4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.19"]
[White "Salazar, David"]
[Black "Ventura, Ismael Emerson"]
[Result "1-0"]
[ECO "C65"]
[EventDate "2015.07.16"]
[PlyCount "93"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Bd6 5.Bg5 h6 6.Bh4 a6 7.Bxc6 dxc6 8.h3 
Be6 9.Bg3 Nd7 10.O-O Qe7 11.Re1 O-O 12.c3 b5 13.d4 exd4 14.cxd4 Bxg3 15.
fxg3 c5 16.d5 Bxh3 17.gxh3 Qf6 18.e5 Qg6 19.Kh2 Rfe8 20.g4 Nb6 21.Nc3 Nc4 
22.b3 Nb2 23.Qe2 Nd3 24.Red1 Nf4 25.Qe3 b4 26.Na4 f6 27.Qxf4 fxe5 28.Nxe5 
Qd6 29.Qf7+ Kh7 30.Qg6+ Qxg6 31.Nxg6 Kxg6 32.Rd2 Rad8 33.Nxc5 c6 34.Rad1 
cxd5 35.Nxa6 Ra8 36.Nxb4 Re4 37.Nxd5 Rae8 38.Kg3 R4e5 39.Nf4+ Kh7 40.Rd3 
Re3+ 41.Rxe3 Rxe3+ 42.Kf2 Re7 43.a4 Rf7 44.Ke3 Re7+ 45.Kd2 Rd7+ 46.Kc2 
Rxd1 47.Kxd1 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.20"]
[White "Pinto, Alejandro"]
[Black "Rodriguez, Andres"]
[Result "1-0"]
[WhiteElo "1728"]
[ECO "B50"]
[EventDate "2015.07.16"]
[PlyCount "85"]

1.e4 c5 2.Nf3 d6 3.d3 Nf6 4.g3 g6 5.Bg2 Bg7 6.O-O O-O 7.Nbd2 Nc6 8.c3 e5 
9.Re1 Rb8 10.a3 a5 11.Rb1 b5 12.b4 a4 13.Nf1 Bg4 14.Be3 Qb6 15.Qd2 Rbd8 
16.h3 Bxf3 17.Bxf3 Rfe8 18.Nh2 Qc7 19.bxc5 d5 20.exd5 Nxd5 21.Rxb5 e4 22.
Bxe4 Bxc3 23.Qa2 Rxe4 24.dxe4 Nxe3 25.Rxe3 Nd4 26.Rb1 Qxc5 27.Rc1 Nb5 28.
Qc2 Qxa3 29.Nf3 Qd6 30.Rxc3 Nxc3 31.Qxc3 a3 32.Ra1 a2 33.Rxa2 Qd3 34.Qxd3 
Rxd3 35.Ne5 Rd1+ 36.Kg2 Kg7 37.Ra7 Kf6 38.Nxf7 h5 39.e5+ Ke6 40.f4 Rd2+ 
41.Kf3 Rd3+ 42.Ke4 Rxg3 43.Nd8# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.21"]
[White "Echeverria, Carlos Enrique"]
[Black "Valencia, Oscar"]
[Result "0-1"]
[BlackElo "1728"]
[ECO "B50"]
[EventDate "2015.07.16"]
[PlyCount "44"]

1.e4 c5 2.Nf3 d6 3.c3 Nc6 4.Bb5 Bd7 5.O-O a6 6.Bxc6 Bxc6 7.Re1 e6 8.d4 Be7
9.Nbd2 Nf6 10.b3 O-O 11.Bb2 b5 12.Rc1 Rc8 13.e5 Nd5 14.Rc2 cxd4 15.Nxd4 
dxe5 16.Rxe5 Bf6 17.Nxc6 Rxc6 18.Re1 Nxc3 19.Bxc3 Rxc3 20.Rxc3 Bxc3 21.Re2
Qd6 22.h3 Rd8 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.22"]
[White "Garcia, Daniel Alejandro"]
[Black "Ariza, Luis"]
[Result "0-1"]
[WhiteElo "1375"]
[ECO "E67"]
[EventDate "2015.07.16"]
[PlyCount "50"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O d6 5.d4 O-O 6.c4 Nbd7 7.Nc3 c6 8.Bf4 a5 
9.a3 Qb6 10.Na4 Qa6 11.c5 dxc5 12.dxc5 Qb5 13.Qc2 Nd5 14.e3 Nxf4 15.exf4 
Nf6 16.Rfe1 Bf5 17.Bf1 Qxf1+ 18.Kxf1 Bxc2 19.Nb6 Rae8 20.Ne5 Rd8 21.Nec4 
Bd3+ 22.Kg1 Bxc4 23.Nxc4 Rfe8 24.Nxa5 Rd7 25.Nc4 Nd5 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.19"]
[Round "6.23"]
[White "Perez, Denys"]
[Black "Castillo, Ernesto"]
[Result "0-1"]
[BlackElo "1616"]
[ECO "B56"]
[EventDate "2015.07.16"]
[PlyCount "65"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Bb5+ Bd7 7.Bxd7+ Nbxd7 8.
Ndb5 Qb6 9.Be3 Nc5 10.Bxc5 Qxc5 11.a3 a6 12.b4 Qc6 13.Nd5 axb5 14.Nxf6+ 
gxf6 15.Qd5 Qc3+ 16.Qd2 Qxa1+ 17.Qd1 Qxd1+ 18.Kxd1 Rxa3 19.Kd2 Rg8 20.g3 
Rg4 21.Re1 Bh6+ 22.Kd1 Ra1+ 23.Ke2 Rxe4+ 24.Kf3 Raxe1 25.h4 Rxb4 26.c4 
Rb3+ 27.Kg2 Rb2 28.cxb5 Be3 29.Kh3 Bxf2 30.b6 Bxb6 31.h5 Re4 32.g4 Rb3+ 
33.Kh4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.1"]
[White "Tang, Andrew"]
[Black "Chavez Estevez, Hayler David"]
[Result "1-0"]
[WhiteElo "2365"]
[BlackElo "2347"]
[ECO "E15"]
[EventDate "2015.07.16"]
[PlyCount "41"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 exd5 7.cxd5 Bxd5 8.Nc3 
Bc6 9.e4 Be7 10.e5 Ne4 11.Nd5 d6 12.Nh4 Bxh4 13.Bxe4 Be7 14.Qf3 Qd7 15.
Nxe7 Kxe7 16.Bg5+ Ke8 17.O-O-O f5 18.exf6 gxf6 19.Qxf6 Rf8 20.Bg6+ hxg6 
21.Rhe1+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.2"]
[White "Jimenez Garcia, Emmanuel"]
[Black "Cori Quispe, Kevin"]
[Result "0-1"]
[WhiteElo "2210"]
[BlackElo "2369"]
[ECO "E14"]
[EventDate "2015.07.16"]
[PlyCount "114"]

1.d4 Nf6 2.Nf3 e6 3.e3 b6 4.Bd3 Bb7 5.O-O c5 6.c4 Be7 7.Nc3 cxd4 8.exd4 d5
9.Qe2 O-O 10.Rd1 Nc6 11.cxd5 Nxd5 12.Nxd5 Qxd5 13.Be4 Qh5 14.d5 Ne5 15.d6 
Bxe4 16.Qxe4 Nxf3+ 17.gxf3 Bf6 18.d7 Qg6+ 19.Kh1 Qxe4 20.fxe4 Rfd8 21.Bf4 
e5 22.Bg3 Rab8 23.Rac1 Rb7 24.Rc8 Rxd7 25.Rxd7 Rxc8 26.Rxa7 g5 27.Ra6 Rc6 
28.a4 Kg7 29.Kg2 h5 30.h3 Rc4 31.Rxb6 Rxa4 32.f3 Ra2 33.Be1 Be7 34.Bc3 f6 
35.Rb7 Kf8 36.h4 gxh4 37.Kh3 Ra1 38.Kxh4 Rh1+ 39.Kg3 Rg1+ 40.Kh2 Rc1 41.
Rd7 Ke8 42.Rd2 Bc5 43.Re2 Kf7 44.Be1 Rb1 45.Bf2 Be7 46.Kg3 Ke6 47.Be1 Bc5 
48.Bc3 Rg1+ 49.Rg2 h4+ 50.Kh3 Rf1 51.Kxh4 Rxf3 52.Re2 Bf2+ 53.Kg4 Rg3+ 54.
Kh5 Rg5+ 55.Kh6 Bg3 56.Rg2 Kf7 57.Bd2 Rg4 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.3"]
[White "Solano Cuya, Bryan"]
[Black "Benedetti, Julio"]
[Result "1-0"]
[WhiteElo "2149"]
[BlackElo "2313"]
[ECO "E76"]
[EventDate "2015.07.16"]
[PlyCount "83"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Bd3 e5 7.fxe5 dxe5 8.d5 c5 
9.Nf3 Ne8 10.O-O Nd6 11.Be3 b6 12.Nb5 Na6 13.Rc1 f6 14.a3 Rf7 15.Qe1 Qf8 
16.Qh4 Bd7 17.b3 Nxb5 18.cxb5 Nc7 19.b4 c4 20.Bxc4 Qd6 21.a4 Raf8 22.Bd3 
a6 23.Bc5 bxc5 24.bxc5 Qe7 25.d6 Qd8 26.dxc7 Qxc7 27.c6 Be6 28.Qf2 Rb8 29.
bxa6 Bf8 30.Bb5 Bb4 31.Rfd1 Kg7 32.Qb2 Qa5 33.Kh1 Bg4 34.Nxe5 Bxd1 35.Nxf7
Bxa4 36.Bxa4 Qxa4 37.c7 Rc8 38.Ra1 Qd7 39.Qxb4 Qxc7 40.Nd6 Rb8 41.a7 Ra8 
42.Qb7 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.4"]
[White "Escalante Ramirez, Brian Sebas"]
[Black "Husbands, Orlando"]
[Result "1/2-1/2"]
[WhiteElo "2389"]
[BlackElo "2234"]
[ECO "B54"]
[EventDate "2015.07.16"]
[PlyCount "74"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 e5 6.Nb3 Be7 7.c4 a5 8.Be3 a4 
9.N3d2 Qa5 10.Na3 O-O 11.Be2 Bd8 12.Nb5 Bb6 13.Bxb6 Qxb6 14.Nb1 Rd8 15.
N1c3 Qa5 16.O-O Bd7 17.Kh1 Bxb5 18.cxb5 a3 19.b4 Qxb4 20.Nd5 Nxd5 21.Qxd5 
Nd7 22.Qxb7 Rab8 23.Qd5 Nb6 24.Qb3 Qxb3 25.axb3 Ra8 26.Rfc1 Rdc8 27.Rc6 
Rxc6 28.bxc6 Kf8 29.Kg1 Ke7 30.Bb5 Kd8 31.Kf2 Kc7 32.Ke1 Ra5 33.Ba4 Nxa4 
34.Rxa3 Rb5 35.Rxa4 Rxb3 36.Ra7+ Kxc6 37.Rxf7 Rb2 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.5"]
[White "Hernandez, Mauricio Daniel"]
[Black "Lopez Gonzalez, Abel Fabian"]
[Result "0-1"]
[WhiteElo "1926"]
[BlackElo "2251"]
[ECO "B22"]
[EventDate "2015.07.16"]
[PlyCount "108"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 Nc6 6.Nf3 d6 7.Bc4 Nb6 8.Bb3 d5
9.h3 Bf5 10.O-O e6 11.Nc3 Be7 12.Be3 Rc8 13.Bc2 Bxc2 14.Qxc2 a6 15.Nd2 
Nxe5 16.dxe5 d4 17.Bxd4 Qxd4 18.Nf3 Qc4 19.Rac1 O-O 20.Rfd1 h6 21.Qe4 Qxe4
22.Nxe4 Nd5 23.Nd4 Rfd8 24.Nb3 b6 25.Kh2 f5 26.exf6 gxf6 27.Nd4 Kf7 28.Nc6
Rg8 29.g3 Rge8 30.a3 Bf8 31.f4 Kg6 32.h4 h5 33.Kh3 b5 34.b4 Ne3 35.Rd7 Nc4
36.Na7 Rcd8 37.Rxd8 Rxd8 38.a4 Bxb4 39.axb5 axb5 40.Nxb5 Ne3 41.Rb1 Be7 
42.Re1 Ng4 43.Re2 Rd3 44.Kg2 Ne3+ 45.Kf2 Nf5 46.Rd2 Rb3 47.Nc7 Bb4 48.Ra2 
Nd4 49.Na6 f5 50.Nd2 Bxd2 51.Rxd2 Nf3 52.Rd8 Nh2 53.Rd2 Ng4+ 54.Kg2 Ne3+ 
0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.6"]
[White "Hernandez Sanchez, Jairo Andre"]
[Black "Singh, Vishnu"]
[Result "1-0"]
[WhiteElo "2381"]
[BlackElo "2200"]
[ECO "B31"]
[EventDate "2015.07.16"]
[PlyCount "53"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Nc3 Nd4 6.Nxd4 cxd4 7.Ne2 a6 8.Ba4 
b5 9.Bb3 Bb7 10.d3 e6 11.f4 Ne7 12.Qe1 O-O 13.Qf2 Nc6 14.f5 exf5 15.exf5 
Qf6 16.Bd2 Qxf5 17.Qxf5 gxf5 18.Ng3 Be5 19.Nxf5 Kh8 20.Nh6 f6 21.Nf7+ Kg7 
22.Bh6+ Kg6 23.Bxf8 Rxf8 24.Nxe5+ Nxe5 25.Rf4 h5 26.Rxd4 Re8 27.h3 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.7"]
[White "Arias, Daniel"]
[Black "Santiago Vilca, Christian"]
[Result "1-0"]
[WhiteElo "2242"]
[BlackElo "1922"]
[ECO "B47"]
[EventDate "2015.07.16"]
[PlyCount "65"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 7.Bg2 Nc6 8.Be3 
Bb4 9.O-O Bxc3 10.bxc3 Ne5 11.Ne2 h6 12.h3 Nc4 13.Bc1 e5 14.g4 d6 15.Ng3 
h5 16.g5 Ng8 17.Nf5 Rh7 18.Qd5 Kf8 19.Nxd6 Qxd6 20.Qxc4 Be6 21.Qe2 Qc5 22.
Qd2 Ke8 23.Rd1 Rc8 24.Bb2 Ne7 25.a4 Ng6 26.Kh2 f6 27.a5 Kf7 28.Rdb1 Qc7 
29.Ba3 Rhh8 30.Rb6 Rcd8 31.Bd6 Bc8 32.Qd5+ Be6 33.Qxe6+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.8"]
[White "Ampie, Mauro"]
[Black "Colorado, Efrain"]
[Result "1-0"]
[WhiteElo "2193"]
[BlackElo "1841"]
[ECO "C50"]
[EventDate "2015.07.16"]
[PlyCount "56"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Be7 5.c3 Na5 6.Be2 dxc3 7.Nxc3 d6 8.O-O 
Nf6 9.e5 Nd7 10.exd6 Bxd6 11.Nb5 Bc5 12.b4 Bxb4 13.Bf4 O-O 14.Nxc7 Nb6 15.
Nxa8 Qxd1 16.Rfxd1 Nxa8 17.Be3 Nb6 18.Rab1 Nc6 19.Ne5 Nxe5 20.Bxb6 a5 21.
Rd8 Rxd8 22.Bxd8 Bf5 23.Rd1 Be6 24.a3 Bc3 25.Rb1 Nc6 26.Bc7 Bc8 27.Bf3 Nd4
28.Bxb7 Bf5 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.9"]
[White "Lopez Raygoza, Luis Albert"]
[Black "Squella Lavin, Carlos Felipe"]
[Result "1/2-1/2"]
[WhiteElo "2138"]
[BlackElo "2183"]
[ECO "C18"]
[EventDate "2015.07.16"]
[PlyCount "69"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Qg4 f5 8.Qg3 Nc6
9.Nf3 cxd4 10.Bb5 Ne7 11.Qxg7 Rg8 12.Qxh7 Bd7 13.Qh5+ Ng6 14.O-O O-O-O 15.
cxd4 Rg7 16.Qh6 Rdg8 17.Qe3 Qd8 18.Rd1 f4 19.Qc3 Nh4 20.Bxf4 Rxg2+ 21.Kf1 
Nxf3 22.Qxf3 Rg1+ 23.Ke2 Nxd4+ 24.Rxd4 Bxb5+ 25.Kd2 Qb6 26.Qc3+ Bc4 27.
Rxg1 Rxg1 28.Bg3 Qb1 29.Ke3 Qc1+ 30.Kf3 Qf1 31.Kf4 Qh3 32.Kg5 Qf5+ 33.Kh6 
Qh3+ 34.Kg6 Qf5+ 35.Kh6 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.10"]
[White "Ortiz Perez, Carlos"]
[Black "Carrera Gonzalez, Enmanuel"]
[Result "0-1"]
[WhiteElo "1901"]
[BlackElo "2171"]
[ECO "B49"]
[EventDate "2015.07.16"]
[PlyCount "62"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Be2 Nf6 8.O-O 
Bb4 9.f3 O-O 10.Qd2 d5 11.Nxc6 bxc6 12.exd5 cxd5 13.Qd3 Bxc3 14.bxc3 a5 
15.Rfe1 Ba6 16.Qd2 Bxe2 17.Rxe2 Nd7 18.Qd4 Rfc8 19.Bd2 Qb6 20.Rc1 Qb2 21.
Qa4 Nb6 22.Qg4 Nc4 23.Bh6 Qxc3 24.Rd1 Qf6 25.Bf4 Ra6 26.Rxd5 Qa1+ 27.Kf2 
f5 28.Qh5 g6 29.Qh6 exd5 30.Re7 Qh8 31.h4 Rf6 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.11"]
[White "Melara, Moises"]
[Black "Puppi Lazo, Jorge Luis"]
[Result "0-1"]
[WhiteElo "1772"]
[BlackElo "2111"]
[ECO "B23"]
[EventDate "2015.07.16"]
[PlyCount "122"]

1.e4 c5 2.Nc3 e6 3.g3 d5 4.e5 Nc6 5.f4 h5 6.Nf3 Nge7 7.d4 Nf5 8.Ne2 Qa5+ 
9.c3 Bd7 10.Bg2 Qb6 11.Qd3 Rc8 12.O-O cxd4 13.cxd4 Nb4 14.Qd1 Nc2 15.Rb1 
Nce3 16.Bxe3 Nxe3 17.Qd2 Nxf1 18.Rxf1 g6 19.h4 Qb4 20.Qe3 Bh6 21.Ng5 Bxg5 
22.fxg5 O-O 23.Nf4 Bb5 24.Rf2 Qa4 25.b3 Qa3 26.Kh2 Qc1 27.Qxc1 Rxc1 28.a4 
Bd7 29.Nd3 Rd1 30.Bf1 b6 31.Nb2 Rxd4 32.Bd3 Rc8 33.Rf6 Be8 34.Kg1 Rc3 35.
Be2 Rxb3 36.Nd1 Rb1 37.Rf1 Bxa4 38.Nc3 Rxf1+ 39.Kxf1 Bd7 40.Ba6 Rb4 41.Ke2
d4 42.Ne4 Bb5+ 43.Bxb5 Rxb5 44.Kd3 Rxe5 45.Nf6+ Kg7 46.Kxd4 Rf5 47.Ne4 a5 
48.Kc4 b5+ 49.Kb3 Rf3+ 50.Kb2 a4 51.Nd6 Rxg3 52.Nxb5 Rb3+ 53.Ka2 Rxb5 54.
Ka3 e5 55.Kxa4 Rb8 56.Ka5 e4 57.Ka6 e3 58.Ka7 Rb2 59.Ka6 e2 60.Ka5 e1=R 
61.Ka4 Ra1# 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.12"]
[White "Rodriguez, Wilfredo"]
[Black "Giron, Jorge Ernesto"]
[Result "0-1"]
[WhiteElo "1631"]
[BlackElo "2223"]
[ECO "B96"]
[EventDate "2015.07.16"]
[PlyCount "110"]

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 Nbd7 10.Bc4 g5 11.fxg5 Ne5 12.Qe2 Nfg4 13.h3 Nxc4 14.Qxc4 Ne5 15.Qe2
Bxg5 16.Bxg5 Qxg5 17.Nf3 Qg3+ 18.Kd2 Rg8 19.Rag1 Qf4+ 20.Kd1 b5 21.Qd2 
Qxd2+ 22.Nxd2 Bb7 23.Nf3 Nc4 24.b4 Rc8 25.Ke2 Ne5 26.Kd2 Rg3 27.Ne2 Nxf3+ 
28.gxf3 Rxf3 29.Rg3 Bxe4 30.Rxf3 Bxf3 31.Rh2 Bxe2 32.Rxe2 Rc4 33.a3 Ke7 
34.Rg2 Rh4 35.Rg3 e5 36.Rc3 Kd7 37.Rf3 Ke6 38.Rc3 Kd5 39.Rc7 Rxh3 40.Rxf7 
Rxa3 41.Rh7 a5 42.bxa5 Rxa5 43.Rxh6 b4 44.Rg6 Ra3 45.Rh6 Rg3 46.Rh8 b3 47.
cxb3 Rxb3 48.Rd8 e4 49.Ke2 Ke5 50.Re8+ Kd4 51.Rh8 d5 52.Rh5 Rb2+ 53.Kd1 e3
54.Kc1 Rg2 55.Kd1 Kd3 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.13"]
[White "Hernandez, Diego"]
[Black "Ulloa, Ruben Guillermo"]
[Result "1-0"]
[WhiteElo "1950"]
[BlackElo "2016"]
[ECO "B12"]
[EventDate "2015.07.16"]
[PlyCount "74"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nc3 e6 5.g4 Bg6 6.Nge2 c5 7.h4 h5 8.Nf4 Nc6 9.
Nxg6 fxg6 10.Bb5 cxd4 11.Qxd4 Ne7 12.Bg5 Qc7 13.f4 hxg4 14.Qg1 a6 15.Bd3 
Nf5 16.Qxg4 Bb4 17.O-O-O Bxc3 18.bxc3 Qa5 19.Bf6 Qa3+ 20.Kb1 Kd7 21.Qxg6 
Nfe7 22.Bxe7 Nxe7 23.Qg3 Rac8 24.Qe3 Rc6 25.Qd4 Kc7 26.Ka1 Rc5 27.Qb4 
Qxc3+ 28.Qxc3 Rxc3 29.Rdg1 g6 30.Kb2 d4 31.Bxg6 Rf3 32.Bd3 Rxf4 33.h5 Nf5 
34.Rg6 Nh4 35.Rg5 Nf3 36.Rg7+ Kd8 37.Rxb7 Nxe5 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.14"]
[White "Santos, Oliver"]
[Black "Munoz, Randall"]
[Result "1-0"]
[WhiteElo "1690"]
[BlackElo "1706"]
[ECO "A43"]
[EventDate "2015.07.16"]
[PlyCount "61"]

1.e4 c5 2.d4 e6 3.d5 exd5 4.exd5 d6 5.Nf3 g6 6.Bd3 Bg7 7.O-O Ne7 8.Re1 O-O
9.c4 Bg4 10.Nbd2 Nd7 11.h3 Bf5 12.Ne4 Ne5 13.Nxe5 Bxe5 14.Nxc5 Qc8 15.Ne4 
Bxh3 16.gxh3 Qxh3 17.Ng5 Qh2+ 18.Kf1 Nf5 19.Bxf5 gxf5 20.Qf3 Rac8 21.Qg2 
Qxg2+ 22.Kxg2 Rxc4 23.Nf3 Bf6 24.Bh6 Rfc8 25.Rac1 Rg4+ 26.Kh3 Rb8 27.Rg1 
Rxg1 28.Rxg1+ Kh8 29.b3 Rc8 30.Ng5 Rc3+ 31.Kh4 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.15"]
[White "Ruballo, Jose"]
[Black "Johnson, Joshua"]
[Result "0-1"]
[WhiteElo "1662"]
[BlackElo "2211"]
[ECO "B78"]
[EventDate "2015.07.16"]
[PlyCount "74"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Bc4 
Nc6 9.Qd2 Bd7 10.O-O-O Rb8 11.h4 b5 12.Bxb5 Nxd4 13.Bxd7 Nxc2 14.Qxc2 Nxd7
15.h5 Bxc3 16.bxc3 Qa5 17.Kd2 Ne5 18.Ke2 Rfc8 19.Rb1 Rb4 20.Bd2 Ra4 21.Ra1
Qb5+ 22.Ke3 d5 23.Rhb1 Qa6 24.Qb3 Ng4+ 25.Kf4 Nf6 26.Qb5 Nxh5+ 27.Ke3 Qxb5
28.Rxb5 dxe4 29.fxe4 Nf6 30.Kf4 Nxe4 31.Ke3 Nxc3 32.Rb2 Nd5+ 33.Ke2 Nf4+ 
34.Bxf4 Rxf4 35.Ke3 Ra4 36.Rb7 Rc3+ 37.Kd2 Rca3 0-1

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.16"]
[White "Guzman, Oswaldo"]
[Black "Deras, Rafael"]
[Result "1-0"]
[WhiteElo "2066"]
[ECO "C02"]
[EventDate "2015.07.16"]
[PlyCount "45"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Nc6 6.a3 Nge7 7.Bd3 c4 8.Bc2 Ng6 9.
O-O Be7 10.Nbd2 O-O 11.Rb1 Qa6 12.g3 Bd7 13.h4 f6 14.Qe2 fxe5 15.Bxg6 hxg6
16.Nxe5 Bc8 17.Nxg6 Rf5 18.Nxe7+ Nxe7 19.Nf3 Nc6 20.Ng5 b5 21.Qh5 Kf8 22.
Qh8+ Ke7 23.Qxg7+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.17"]
[White "Mendez, Alan Steven"]
[Black "Salazar, David"]
[Result "1-0"]
[WhiteElo "1744"]
[ECO "C62"]
[EventDate "2015.07.16"]
[PlyCount "69"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 exd4 5.Nxd4 Bd7 6.O-O Nxd4 7.Bxd7+ Qxd7 8.
Qxd4 c5 9.Qd3 Nf6 10.Nc3 Be7 11.Bf4 Rd8 12.Rad1 O-O 13.Nd5 Nxd5 14.Qxd5 
Rfe8 15.Bg3 Qc7 16.h3 Rd7 17.e5 Red8 18.e6 fxe6 19.Qxe6+ Kh8 20.Rfe1 h6 
21.Qg6 Qb6 22.Re6 Bf8 23.Rde1 Qxb2 24.Bh4 Rc8 25.Re8 Rxe8 26.Qxe8 Rc7 27.
Qxf8+ Kh7 28.Re8 Qxc2 29.Qg8+ Kg6 30.Re6+ Kh5 31.Qe8+ g6 32.Rxg6 Qxg6 33.
g4+ Kxh4 34.Qxg6 Kxh3 35.Qh5# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.18"]
[White "De Leon, Gabriel"]
[Black "Ariza, Luis"]
[Result "1-0"]
[WhiteElo "1804"]
[ECO "C45"]
[EventDate "2015.07.16"]
[PlyCount "119"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.c3 Qf6 6.Be3 Nge7 7.Bc4 O-O 8.O-O
Ne5 9.Be2 Qg6 10.Nd2 d6 11.Bh5 Qf6 12.f4 N5g6 13.N2b3 Bb6 14.Qd2 Qh4 15.
Be2 f5 16.e5 dxe5 17.fxe5 f4 18.Bf2 Qg5 19.Nf3 Qh6 20.Bc4+ Kh8 21.Rfe1 Bg4
22.Nbd4 Rad8 23.Qc2 Nf5 24.Ne6 Ne3 25.Bxe3 Bxe3+ 26.Kh1 Bxf3 27.gxf3 Rd2 
28.Qxd2 Bxd2 29.Nxf8 Bxe1 30.Nxg6+ Qxg6 31.Rxe1 Qe8 32.Re4 g5 33.e6 Kg7 
34.Rd4 Qc6 35.Rd7+ Kf6 36.Bd5 Qa6 37.c4 Qxa2 38.Rf7+ Ke5 39.e7 Qb1+ 40.Kg2
Qxb2+ 41.Kh3 g4+ 42.fxg4 Qb3+ 43.Kh4 Qa4 44.Rf8 Kd6 45.e8=Q Qxe8 46.Rxe8 
c6 47.Be4 b5 48.cxb5 cxb5 49.Ra8 Kc5 50.Rxa7 Kb4 51.Rxh7 Kc3 52.g5 b4 53.
g6 b3 54.g7 b2 55.g8=Q f3 56.Rc7+ Kd2 57.Qg5+ Ke2 58.Rc2+ Kf1 59.Bd3+ Ke1 
60.Qg1# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.19"]
[White "Valencia, Oscar"]
[Black "Lemus, Hector"]
[Result "1-0"]
[WhiteElo "1728"]
[BlackElo "1616"]
[ECO "D43"]
[EventDate "2015.07.16"]
[PlyCount "75"]

1.d4 d5 2.Nf3 c6 3.c4 e6 4.Nc3 Nf6 5.Bf4 Bb4 6.Qc2 O-O 7.e3 Bd7 8.Bd3 Re8 
9.O-O Be7 10.c5 Na6 11.Be5 Nb4 12.Qd2 Nxd3 13.Qxd3 b6 14.b4 a5 15.a3 Kh8 
16.Ng5 Kg8 17.Bxf6 Bxf6 18.Qxh7+ Kf8 19.Nf3 Ke7 20.Qc2 Rh8 21.cxb6 Qxb6 
22.Na4 Qb5 23.Rab1 axb4 24.Rxb4 Qa5 25.Rfb1 Rhg8 26.Nb6 Rad8 27.Ra4 Qxa4 
28.Qxa4 Rb8 29.Qa7 Rbd8 30.Nxd7 Rxd7 31.Qc5+ Ke8 32.Qxc6 Ke7 33.Qc5+ Ke8 
34.Rb8+ Rd8 35.Qc6+ Ke7 36.Qc7+ Rd7 37.Qc5+ Rd6 38.Rb7+ 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.20"]
[White "Castillo, Ernesto"]
[Black "Garcia Flores, Aristides"]
[Result "1/2-1/2"]
[WhiteElo "1616"]
[ECO "C47"]
[EventDate "2015.07.16"]
[PlyCount "56"]

1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.d3 h6 5.Nd5 Be7 6.Be2 O-O 7.O-O d6 8.c3 Be6 
9.Nxf6+ Bxf6 10.d4 Bg4 11.d5 Ne7 12.Nh4 Bxe2 13.Qxe2 Bxh4 14.g3 Bg5 15.f4 
exf4 16.gxf4 Bf6 17.f5 c6 18.Bxh6 gxh6 19.Qg2+ Kh8 20.Qh3 Ng8 21.Kh1 Re8 
22.Rg1 Rxe4 23.Rxg8+ Qxg8 24.Qxh6+ Qh7 25.Qxf6+ Kg8 26.Rg1+ Kf8 27.Qxd6+ 
Ke8 28.dxc6 Rd8 1/2-1/2

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.21"]
[White "Ventura, Ismael Emerson"]
[Black "Perez, Denys"]
[Result "1-0"]
[ECO "B34"]
[EventDate "2015.07.16"]
[PlyCount "71"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Nxc6 bxc6 7.Bc4 e6 8.Be3
Ne7 9.Qf3 Bb7 10.O-O O-O 11.Rfe1 d5 12.exd5 exd5 13.Bc5 dxc4 14.Bxe7 c5 
15.Qxb7 Rb8 16.Qxa7 Qb6 17.Qxb6 Rxb6 18.Bxf8 Rxb2 19.Bxg7 Kxg7 20.a4 Rxc2 
21.Rec1 Rb2 22.Nd5 Rb8 23.Rxc4 h5 24.a5 Kh6 25.a6 Ra8 26.Nb6 Ra7 27.h3 f5 
28.Rxc5 Kg5 29.Nc8 Ra8 30.a7 h4 31.Nb6 Rxa7 32.Rxa7 Kh5 33.f4 Kh6 34.Nd5 
g5 35.Rc6+ Kh5 36.Rh7# 1-0

[Event "40th Pan-American U20"]
[Site "El Salvador ESA"]
[Date "2015.07.20"]
[Round "7.22"]
[White "Rodriguez, Andres"]
[Black "Garcia, Daniel Alejandro"]
[Result "0-1"]
[BlackElo "1375"]
[ECO "A34"]
[EventDate "2015.07.16"]
[PlyCount "82"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 d5 4.cxd5 Nxd5 5.e4 Nc7 6.d4 cxd4 7.Nxd4 e5 8.Ndb5
Qxd1+ 9.Nxd1 Bb4+ 10.Ndc3 Nxb5 11.Bxb5+ Bd7 12.Bxd7+ Nxd7 13.O-O Bxc3 14.
bxc3 O-O 15.Be3 b6 16.Rfd1 Nf6 17.f3 Rfd8 18.Bg5 Rac8 19.Rxd8+ Rxd8 20.
Bxf6 gxf6 21.Rc1 Rd2 22.a4 Ra2 23.Rd1 Rxa4 24.Rd8+ Kg7 25.Rb8 Rc4 26.Rb7 
Rxc3 27.Rxa7 b5 28.Rb7 Rb3 29.Kf2 Rb2+ 30.Kg3 b4 31.Rb5 b3 32.h4 h5 33.f4 
exf4+ 34.Kxf4 Rb1 35.g4 b2 36.gxh5 Rf1+ 37.Kg4 b1=Q 38.Rxb1 Rxb1 39.Kf5 
Rf1+ 40.Kg4 Kh6 41.Kg3 Kxh5 0-1

