[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.19"]
[Round "1.1"]
[White "Cofre Archibold, Nestor"]
[Black "Menes Aguirre, Ivan"]
[Result "1-0"]
[WhiteElo "2364"]
[BlackElo "1792"]
[ECO "A25"]
[EventDate "2018.06.19"]
[PlyCount "57"]

1.c4 e5 2.g3 Nf6 3.Bg2 Bc5 4.Nc3 Nc6 5.e3 d5 6.cxd5 Nb4 7.d4 exd4 8.exd4 
Be7 9.Nf3 Bf5 10.O-O O-O 11.Nh4 Bd3 12.Re1 Nc2 13.Re5 Nxa1 14.Qxd3 Nd7 15.
Re1 Bxh4 16.gxh4 Qxh4 17.Bd2 Nc2 18.Qxc2 Qxd4 19.Re7 Rad8 20.Be3 Qf6 21.
Qe4 Qa6 22.Qf5 Qd6 23.Re4 Nf6 24.Rh4 Qd7 25.Qg5 Rfe8 26.Ne4 Nxe4 27.Bxe4 
g6 28.Bd4 Qd6 29.Rxh7 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.19"]
[Round "1.2"]
[White "Alomia Aldaz, Fernando"]
[Black "Avila Pavas, Santiago"]
[Result "0-1"]
[WhiteElo "1748"]
[BlackElo "2278"]
[ECO "B22"]
[EventDate "2018.06.19"]
[PlyCount "86"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3 Bf5 6.Be2 cxd4 7.cxd4 Bxb1 8.
Rxb1 Nf6 9.O-O e6 10.b3 Bd6 11.Bb2 O-O 12.Ne5 Rfd8 13.Bf3 Qa5 14.Nxc6 bxc6
15.Qc2 Rac8 16.a3 Nd5 17.g3 Qc7 18.Rfc1 a5 19.Qc4 Qb7 20.Rc2 Rc7 21.Bc3 
Ra8 22.b4 axb4 23.Bxb4 Rcc8 24.Rcb2 Bxb4 25.axb4 Ra4 26.Bd1 Raa8 27.Bf3 
Ra3 28.Kg2 Rc3 29.Qe2 Qb5 30.Qxb5 cxb5 31.Bxd5 exd5 32.Rd2 Kf8 33.f4 Ra8 
34.Kf2 Ra4 35.Re2 Rc4 36.Re5 Rxd4 37.Rc1 f6 38.Rc8+ Kf7 39.Rc7+ Kg6 40.
Ree7 Raxb4 41.Kf3 h5 42.Rxg7+ Kf5 43.Rh7 Kg6 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.19"]
[Round "1.3"]
[White "Noboa, Kevin"]
[Black "Aguirre Burgos, Flavio Jose"]
[Result "0-1"]
[WhiteElo "2267"]
[BlackElo "1737"]
[ECO "D31"]
[EventDate "2018.06.19"]
[PlyCount "116"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.cxd5 exd5 5.Qc2 Be7 6.Bf4 Nf6 7.e3 O-O 8.Bd3 
Nbd7 9.Nge2 a6 10.O-O c5 11.Rad1 c4 12.Bf5 b5 13.e4 dxe4 14.d5 Nc5 15.Bxc8
Qxc8 16.d6 Bd8 17.Ng3 Re8 18.Bg5 Qc6 19.Nf5 Nd3 20.Ne2 Re5 21.Neg3 Qd5 22.
Ne3 Qe6 23.Bxf6 Bxf6 24.b3 Rc8 25.bxc4 bxc4 26.Qe2 Qxd6 27.Ng4 Ree8 28.
Nxe4 Qe6 29.Nexf6+ gxf6 30.Qf3 f5 31.Ne3 f4 32.Nd5 Qd6 33.g3 Qc6 34.Qg4+ 
Kh8 35.Qf5 Re5 36.Qf6+ Qxf6 37.Nxf6 h5 38.gxf4 Rf5 39.Ne4 Rxf4 40.f3 Rg8+ 
41.Kh1 f5 42.Nf6 Rg6 43.Nd5 Rd4 44.Nc3 h4 45.h3 Rd8 46.Kh2 Rdg8 47.Rd2 Nf4
48.Nd5 Rg2+ 49.Rxg2 Rxg2+ 50.Kh1 Nxd5 51.Kxg2 Ne3+ 52.Kf2 Nxf1 53.Kxf1 Kg7
54.Ke2 Kf6 55.f4 Ke6 56.a4 Kd5 57.Ke3 a5 58.Kd2 Ke4 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.19"]
[Round "1.4"]
[White "Ortiz Quizhpi, Omar"]
[Black "Vazquez Maccarini, Danitza"]
[Result "0-1"]
[WhiteElo "1703"]
[BlackElo "2242"]
[ECO "A00"]
[EventDate "2018.06.19"]
[PlyCount "0"]

0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.19"]
[Round "1.5"]
[White "Molina Mendoza, Omar"]
[Black "Ramos Baya, David Santiago"]
[Result "1-0"]
[WhiteElo "2214"]
[BlackElo "1693"]
[ECO "A30"]
[EventDate "2018.06.19"]
[PlyCount "79"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 b6 5.Bg2 Bb7 6.O-O O-O 7.c4 c5 8.Nc3 e6 
9.d4 cxd4 10.Nxd4 Bxg2 11.Kxg2 d5 12.e3 dxc4 13.Qf3 Nbd7 14.Nc6 Qe8 15.Nb5
Nc5 16.Nc7 Qd7 17.Nxa8 Nfe4 18.Bxg7 Kxg7 19.Ne5 Qd5 20.Nxc4 Qxa8 21.Rfd1 
Nf6 22.Qxa8 Rxa8 23.f3 b5 24.Ne5 Nd5 25.Kf2 Rc8 26.e4 Nc3 27.Rd2 N3xe4+ 
28.fxe4 Nxe4+ 29.Ke3 Nxd2 30.Kxd2 Rc5 31.Nf3 b4 32.Rc1 Ra5 33.Rc2 e5 34.
Kd3 Rb5 35.Kc4 a6 36.Re2 f6 37.Rd2 Rb7 38.Rd6 a5 39.Kd5 Kf7 40.Kc6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.19"]
[Round "1.6"]
[White "Haro, Harold"]
[Black "Delgado Romero, Marco"]
[Result "0-1"]
[WhiteElo "1629"]
[BlackElo "2209"]
[ECO "A46"]
[EventDate "2018.06.19"]
[PlyCount "60"]

1.d4 Nf6 2.Nf3 c5 3.g3 cxd4 4.Nxd4 e5 5.Nb3 d5 6.Bg2 Be6 7.O-O Nc6 8.Bg5 
a5 9.a4 Be7 10.Nc3 d4 11.Nb5 O-O 12.e3 Bc4 13.Re1 dxe3 14.Bxe3 Nd5 15.Bc5 
Bxb3 16.Bxe7 Qxe7 17.cxb3 Ndb4 18.Qe2 Rad8 19.Rad1 f5 20.Qc4+ Kh8 21.h3 e4
22.Rxd8 Rxd8 23.Re2 h5 24.Nc3 Nd3 25.Qb5 Qf7 26.f3 Nd4 27.Qxa5 Nxe2+ 28.
Nxe2 Qf6 29.Qc3 Qb6+ 30.Kh2 exf3 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.19"]
[Round "1.7"]
[White "Lu, Maximillian"]
[Black "Quizhpe Martinez, Angel"]
[Result "1-0"]
[WhiteElo "2204"]
[BlackElo "1566"]
[ECO "D33"]
[EventDate "2018.06.19"]
[PlyCount "71"]

1.c4 c5 2.Nc3 Nf6 3.g3 e6 4.Bg2 Nc6 5.Nf3 d5 6.cxd5 exd5 7.d4 h6 8.O-O Be7
9.a3 c4 10.b3 cxb3 11.Qxb3 O-O 12.Rd1 Na5 13.Qc2 Be6 14.Bf4 Rc8 15.Qd3 Nc4
16.Rab1 Bxa3 17.Nb5 Qe7 18.Rb3 Nb2 19.Rxb2 Bxb2 20.Bd6 Qd8 21.Bxf8 Qxf8 
22.Qd2 a6 23.Qxb2 axb5 24.Qxb5 Qe7 25.Ne5 Ne8 26.e3 Nd6 27.Qb4 Rc2 28.Qb3 
Qc7 29.Bxd5 Rc3 30.Qa2 Bxd5 31.Qxd5 b5 32.Nd3 Rc4 33.e4 Qb6 34.Nc5 Rc2 35.
e5 Nc4 36.Qa8+ 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.19"]
[Round "1.8"]
[White "Caceres Limones, Danilo"]
[Black "Ghatti, Sanjay"]
[Result "0-1"]
[WhiteElo "1560"]
[BlackElo "2189"]
[ECO "D02"]
[EventDate "2018.06.19"]
[PlyCount "50"]

1.d4 d5 2.Bf4 Nf6 3.Nf3 e6 4.e3 Bd6 5.Bg3 O-O 6.Bd3 c5 7.c3 b6 8.O-O Ba6 
9.Bxa6 Nxa6 10.Qe2 Nb8 11.Bxd6 Qxd6 12.Nbd2 Nc6 13.e4 Qf4 14.exd5 exd5 15.
Qb5 Qd6 16.Rfe1 c4 17.b3 a6 18.Qxb6 Nd7 19.Qb7 Ra7 20.Qxa7 Nxa7 21.bxc4 
dxc4 22.Nxc4 Qc6 23.Ncd2 Nb5 24.Rac1 h6 25.a4 Nc7 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.19"]
[Round "1.9"]
[White "Guo, Arthur"]
[Black "Figueroa Garcia, Rafael Leandro"]
[Result "1-0"]
[WhiteElo "2165"]
[BlackElo "1539"]
[ECO "B07"]
[EventDate "2018.06.19"]
[PlyCount "65"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 Nf6 5.f3 c6 6.Qd2 b5 7.Bd3 e5 8.Nge2 Nbd7 
9.d5 cxd5 10.Nxb5 Nc5 11.Bxc5 dxc5 12.exd5 a6 13.Nbc3 Rb8 14.O-O-O Nxd5 
15.Nxd5 e4 16.Nec3 exd3 17.Qf4 Bf5 18.Nc7+ Kf8 19.Rxd3 Bd4 20.g4 Bc8 21.
Qh6+ Kg8 22.Re1 Bd7 23.Rxd4 cxd4 24.N3d5 Be6 25.Rxe6 fxe6 26.Nxe6 Kf7 27.
Nxd8+ Rbxd8 28.Qg5 Ke6 29.Nb4 Rhe8 30.Nc6 Rd5 31.Nxd4+ Kd6 32.Qf6+ Kc5 33.
Qc6+ 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.19"]
[Round "1.10"]
[White "Pereira Berrozo, Hernardo"]
[Black "Zambrano, Junior"]
[Result "0-1"]
[WhiteElo "1534"]
[BlackElo "2152"]
[ECO "A30"]
[EventDate "2018.06.19"]
[PlyCount "48"]

1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.O-O c5 6.d3 Be7 7.Nc3 O-O 8.Bg5 h6 
9.Bf4 d5 10.cxd5 Nxd5 11.Bd2 Nc6 12.Qc1 Rc8 13.h4 Nd4 14.Re1 Nxc3 15.Nxd4 
Bxg2 16.Kxg2 cxd4 17.bxc3 dxc3 18.Bxh6 gxh6 19.Qxh6 Bf6 20.Qf4 Bg7 21.Rh1 
Qf6 22.Qa4 c2 23.Rac1 Qd4 24.Qa3 Qc5 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "2.1"]
[White "Jaramillo Arce, David"]
[Black "Cofre Archibold, Nestor"]
[Result "0-1"]
[WhiteElo "2100"]
[BlackElo "2364"]
[ECO "A46"]
[EventDate "2018.06.19"]
[PlyCount "60"]

1.d4 Nf6 2.Nf3 e6 3.g3 b5 4.Bg2 Bb7 5.O-O c5 6.c3 Na6 7.a4 b4 8.Qd3 Be7 9.
Bg5 bxc3 10.Nxc3 Nb4 11.Qd2 c4 12.Bxf6 Bxf6 13.a5 O-O 14.Na4 Na6 15.Rfd1 
Rb8 16.Ne5 Bxg2 17.Kxg2 Qc7 18.Ng4 Be7 19.d5 Bb4 20.Qd4 Bxa5 21.Ne3 Rfc8 
22.Rdc1 Rb4 23.Nc3 Bb6 24.Qh4 Qb7 25.Ng4 Nc5 26.Rd1 Nb3 27.Qg5 Bd8 28.Qh5 
Nxa1 29.Ne4 Be7 30.Ne5 Rf8 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "2.2"]
[White "Avila Pavas, Santiago"]
[Black "Reinoso Salas, Daniel"]
[Result "1/2-1/2"]
[WhiteElo "2278"]
[BlackElo "2067"]
[ECO "D00"]
[EventDate "2018.06.19"]
[PlyCount "87"]

1.d4 d5 2.Bf4 Nf6 3.e3 c5 4.c3 Nc6 5.Nd2 cxd4 6.exd4 Bf5 7.Ngf3 e6 8.Qb3 
Qc8 9.Nh4 Be4 10.f3 Bg6 11.Nxg6 hxg6 12.g4 Be7 13.Bd3 Kf8 14.Bg3 Ne8 15.
O-O Nd6 16.Rae1 Qd7 17.f4 f5 18.Nf3 Ne4 19.Bxe4 dxe4 20.Ne5 Nxe5 21.fxe5 
Ke8 22.Rd1 Rd8 23.c4 b5 24.d5 bxc4 25.Qxc4 exd5 26.Qa6 Bc5+ 27.Kg2 Bb6 28.
a4 Rf8 29.e6 Qxe6 30.a5 f4 31.Bxf4 Qxg4+ 32.Bg3 Rf2+ 33.Rxf2 Bxf2 34.Kxf2 
Qxd1 35.Qxg6+ Kf8 36.Bd6+ Kg8 37.Qe6+ Kh7 38.Qf5+ Kg8 39.Qe6+ Kh7 40.Qf5+ 
g6 41.Qf7+ Kh6 42.Bf4+ Kh5 43.Qh7+ Kg4 44.Qxg6+ 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "2.3"]
[White "Vazquez Maccarini, Danitza"]
[Black "Aspiazu, Marlon"]
[Result "1-0"]
[WhiteElo "2242"]
[BlackElo "1977"]
[ECO "C01"]
[EventDate "2018.06.19"]
[PlyCount "83"]

1.e4 e6 2.Nf3 d5 3.exd5 exd5 4.d4 c6 5.Bd3 Bd6 6.O-O Bg4 7.Re1+ Ne7 8.Nbd2
Qc7 9.Nf1 Nd7 10.Bg5 f6 11.Bh4 O-O-O 12.Bg3 Rde8 13.h3 Bh5 14.c4 dxc4 15.
Bxc4 Nb6 16.Be6+ Kb8 17.Bxd6 Qxd6 18.Ng3 Bxf3 19.Qxf3 Ned5 20.Nf5 Qc7 21.
a4 g6 22.a5 Nc8 23.Ng3 Qd6 24.Bxd5 cxd5 25.Qb3 Rd8 26.Ra4 Rhe8 27.Rd1 Rd7 
28.Nf1 Rc7 29.Ne3 Ne7 30.Rb4 f5 31.Rb5 Rd8 32.Nc2 Ng8 33.Nb4 Nf6 34.a6 b6 
35.Nd3 Ka8 36.Ne5 Rdc8 37.Nd3 Rc4 38.Rc5 Ne4 39.Rxc8+ Rxc8 40.Nf4 Rc4 41.
Qb5 Qxf4 42.Qxd5+ 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "2.4"]
[White "Mendoza Criollo, Carlos David"]
[Black "Molina Mendoza, Omar"]
[Result "0-1"]
[WhiteElo "1945"]
[BlackElo "2214"]
[ECO "E70"]
[EventDate "2018.06.19"]
[PlyCount "76"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Bd3 O-O 6.Nge2 e5 7.d5 Nh5 8.O-O f5 
9.Ng3 Nf4 10.exf5 Nxd3 11.Qxd3 Bxf5 12.Nce4 Nd7 13.Qe2 h6 14.Be3 Nf6 15.f3
b6 16.b4 Bxe4 17.fxe4 Qe7 18.c5 Nd7 19.cxd6 Rxf1+ 20.Nxf1 cxd6 21.Rc1 Nf6 
22.Nd2 Qd7 23.Rc6 Rf8 24.h3 Rf7 25.a4 Bf8 26.Bf2 Nh5 27.Nc4 Nf4 28.Qe3 Qd8
29.Kh2 Nh5 30.g4 Nf4 31.Bg3 g5 32.Bxf4 gxf4 33.Qf3 Rg7 34.b5 h5 35.Kg2 
hxg4 36.hxg4 Qh4 37.Kf1 Rxg4 38.Ke2 Qh2+ 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "2.5"]
[White "Delgado Romero, Marco"]
[Black "Rodriguez Horna, Lorenzo"]
[Result "1-0"]
[WhiteElo "2209"]
[BlackElo "1939"]
[ECO "A85"]
[EventDate "2018.06.19"]
[PlyCount "87"]

1.d4 f5 2.c4 Nf6 3.Nc3 d6 4.Nf3 g6 5.h4 Bg7 6.Qc2 Nc6 7.d5 Ne5 8.Nxe5 dxe5
9.e4 O-O 10.Bd3 f4 11.Bd2 Bg4 12.Na4 f3 13.g3 Bd7 14.Nc5 b6 15.Nxd7 Nxd7 
16.b4 Nf6 17.c5 Qd7 18.Qc4 Kh8 19.Bc3 Nh5 20.cxb6 cxb6 21.Qc6 Qd6 22.Qxd6 
exd6 23.Bd2 Rac8 24.O-O Rc7 25.a4 Nf6 26.Rfe1 Ng4 27.b5 Bh6 28.Bxh6 Nxh6 
29.Rec1 Rc5 30.Rxc5 dxc5 31.Kf1 Nf7 32.Ke1 Nd6 33.Kd2 h6 34.a5 Kg7 35.axb6
axb6 36.Ra6 Rb8 37.Ra7+ Rb7 38.Ra8 Rd7 39.Rb8 c4 40.Bc2 Nxb5 41.Ba4 c3+ 
42.Kc1 Ra7 43.Bxb5 Ra2 44.d6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "2.6"]
[White "Araoz Andrade, Ivan Alexander"]
[Black "Lu, Maximillian"]
[Result "0-1"]
[WhiteElo "1868"]
[BlackElo "2204"]
[ECO "B50"]
[EventDate "2018.06.19"]
[PlyCount "96"]

1.e4 c5 2.Nf3 d6 3.Nc3 Nf6 4.e5 dxe5 5.Nxe5 a6 6.a4 Nbd7 7.Nc4 Nb6 8.Qf3 
Nbd5 9.Ne3 Nxe3 10.dxe3 Qc7 11.Bc4 Bg4 12.Qg3 Qxg3 13.hxg3 Bf5 14.Nd5 Rd8 
15.Nxf6+ gxf6 16.c3 Bc2 17.Ke2 e6 18.b3 Rg8 19.Ra2 Be4 20.f3 Bc6 21.Kf2 
Bd6 22.g4 Be5 23.Rd2 b5 24.axb5 axb5 25.Be2 Bxc3 26.Rc2 Bb4 27.Rxh7 Ke7 
28.e4 Rc8 29.Be3 Bd7 30.f4 f5 31.Rh5 c4 32.bxc4 fxe4 33.c5 Ba3 34.c6 Rxc6 
35.Rxc6 Bxc6 36.Bxb5 Bxb5 37.Rxb5 Rxg4 38.g3 Rg8 39.Bc5+ Bxc5+ 40.Rxc5 Kd6
41.Ra5 f5 42.Re5 Rg7 43.Kg2 Rg4 44.Kf2 Rg8 45.Kg2 Rc8 46.g4 Rg8 47.Ra5 
Rxg4+ 48.Kf2 Rxf4+ 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "2.7"]
[White "Ghatti, Sanjay"]
[Black "Esmeraldas Huachi, Anderson"]
[Result "0-1"]
[WhiteElo "2189"]
[BlackElo "1865"]
[ECO "B91"]
[EventDate "2018.06.19"]
[PlyCount "82"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nb3 Be7 8.Bg2 O-O
9.O-O Be6 10.a4 Nc6 11.h3 Bc4 12.Re1 Rb8 13.Nd5 b5 14.axb5 axb5 15.Ra6 Rc8
16.Nb6 Nb4 17.Nxc8 Nxa6 18.Nxe7+ Qxe7 19.Be3 h6 20.Nd2 Be6 21.Qe2 Qb7 22.
Ra1 Rc8 23.c3 Nc5 24.f4 Na4 25.c4 Bxc4 26.Nxc4 Rxc4 27.b3 Nc3 28.Qd3 Rc6 
29.fxe5 dxe5 30.Qd8+ Kh7 31.Ra7 Qc8 32.Qe7 Qe6 33.Qxf7 Qxf7 34.Rxf7 Ne2+ 
35.Kf2 Rc2 36.Kf3 Nc3 37.Rc7 Nfxe4 38.Bf1 Nf6 39.g4 e4+ 40.Kg3 Ne2+ 41.
Bxe2 Rxc7 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "2.8"]
[White "Gomez Barrera, Gonzalo Andres"]
[Black "Guo, Arthur"]
[Result "0-1"]
[WhiteElo "1814"]
[BlackElo "2165"]
[ECO "E11"]
[EventDate "2018.06.19"]
[PlyCount "90"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 b6 5.a3 Bxd2+ 6.Qxd2 Bb7 7.e3 O-O 8.Be2
d6 9.O-O Nbd7 10.b4 Ne4 11.Qc2 f5 12.d5 e5 13.Nd2 Nxd2 14.Bxd2 Qe7 15.f3 
c6 16.dxc6 Bxc6 17.Rfd1 Qh4 18.b5 Bb7 19.Bb4 Qh6 20.Bxd6 Qxe3+ 21.Kh1 Rfe8
22.Qxf5 Nf6 23.Qd3 Qf2 24.Rf1 Qh4 25.Qe3 e4 26.f4 Rad8 27.Rad1 Ng4 28.Bxg4
Qxg4 29.Rd2 Rd7 30.Rfd1 Red8 31.h3 Qg6 32.Bb4 Rd3 33.Rxd3 Rxd3 34.Rxd3 
exd3 35.Qf2 h6 36.c5 bxc5 37.Bxc5 Qh5 38.Bxa7 Qxh3+ 39.Kg1 Bxg2 40.Qe3 
Qh1+ 41.Kf2 Qf1+ 42.Kg3 Bd5 43.Bd4 Qg2+ 44.Kh4 d2 45.Qe8+ Kh7 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "2.9"]
[White "Zambrano, Junior"]
[Black "Ramos Yambay, Josua"]
[Result "1-0"]
[WhiteElo "2152"]
[BlackElo "1308"]
[ECO "E62"]
[EventDate "2018.06.19"]
[PlyCount "71"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d6 5.d4 O-O 6.O-O c6 7.Nc3 Qb6 8.b3 c5 9.
Bb2 Bd7 10.Qd2 cxd4 11.Nxd4 e6 12.Rfd1 Ne8 13.e3 a6 14.Nde2 Bc6 15.Ne4 
Bxb2 16.Qxb2 d5 17.cxd5 Bxd5 18.Nf4 Bxe4 19.Bxe4 Nd6 20.Bg2 Rd8 21.h4 Nc6 
22.h5 Rac8 23.Rac1 Ne7 24.Rxc8 Rxc8 25.Qf6 Nef5 26.g4 Ne8 27.Qe5 Nh6 28.
Bf3 Qc7 29.Qg5 Kg7 30.hxg6 hxg6 31.Be4 b6 32.Bxg6 Qc5 33.Nxe6+ fxe6 34.
Rd7+ Kg8 35.Bf7+ Kh7 36.Qg6+ 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "2.10"]
[White "Neira Valarezo, Joel Alejandro"]
[Black "Estrada Lavin, Cristian Alexand"]
[Result "1/2-1/2"]
[BlackElo "2120"]
[ECO "B24"]
[EventDate "2018.06.19"]
[PlyCount "57"]

1.e4 c5 2.Nc3 e6 3.g3 Nc6 4.Bg2 Nf6 5.d3 d6 6.h3 Be7 7.Nge2 a6 8.O-O Qc7 
9.f4 Bd7 10.Be3 Rb8 11.Qd2 b5 12.Bf2 h6 13.g4 O-O 14.Bg3 Nh7 15.f5 b4 16.
Nd1 Qd8 17.Qe1 Nd4 18.Ne3 Nxe2+ 19.Qxe2 Bc6 20.Nc4 Rc8 21.fxe6 fxe6 22.
Rxf8+ Nxf8 23.e5 d5 24.Nd6 Rc7 25.Rf1 Ng6 26.Qf2 Be8 27.b3 Nh8 28.h4 Rc6 
29.g5 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "3.1"]
[White "Cofre Archibold, Nestor"]
[Black "Zambrano, Junior"]
[Result "1-0"]
[WhiteElo "2364"]
[BlackElo "2152"]
[ECO "B13"]
[EventDate "2018.06.19"]
[PlyCount "75"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Bg5 Be6 7.a3 g6 8.Bxf6 
exf6 9.c5 Bg7 10.Bb5 O-O 11.Nge2 Rc8 12.O-O f5 13.Qd3 b6 14.Bxc6 Rxc6 15.
b4 bxc5 16.dxc5 Qh4 17.Rad1 Rd8 18.Nd4 Rcc8 19.Ncb5 a6 20.Nc3 a5 21.Rfe1 
axb4 22.axb4 Re8 23.g3 Qg4 24.Nce2 Be5 25.f4 Bf6 26.c6 h5 27.Kg2 h4 28.Qf3
Ra8 29.Ra1 Rxa1 30.Rxa1 Bc8 31.Ra8 Kg7 32.Qxg4 fxg4 33.b5 Re4 34.Rxc8 Bxd4
35.Nxd4 Rxd4 36.c7 Rd2+ 37.Kf1 Rxh2 38.Rd8 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "3.2"]
[White "Lu, Maximillian"]
[Black "Vazquez Maccarini, Danitza"]
[Result "0-1"]
[WhiteElo "2204"]
[BlackElo "2242"]
[ECO "A77"]
[EventDate "2018.06.19"]
[PlyCount "78"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Nd2 Nbd7 8.e4 Bg7
9.Be2 O-O 10.a4 a6 11.O-O Re8 12.Qc2 Rb8 13.f3 Qc7 14.a5 Ra8 15.Re1 b5 16.
axb6 Nxb6 17.Na4 Nfd7 18.Nxb6 Nxb6 19.Ra2 Bd7 20.b4 Bb5 21.bxc5 Bd4+ 22.
Kf1 Qxc5 23.Nb3 Qxc2 24.Rxc2 Be5 25.f4 Bg7 26.Bxb5 axb5 27.Be3 Nc4 28.Bd4 
Ra3 29.Bxg7 Kxg7 30.Nd2 Ne3+ 31.Rxe3 Rxe3 32.Kf2 Rd3 33.Ke2 Rxd5 34.Kf3 
Rc5 35.Rb2 Rec8 36.Rb4 Rc2 37.Ke2 R8c4 38.Rxb5 Rd4 39.Rd5 Rcxd2+ 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "3.3"]
[White "Molina Mendoza, Omar"]
[Black "Aguirre Burgos, Flavio Jose"]
[Result "1/2-1/2"]
[WhiteElo "2214"]
[BlackElo "1737"]
[ECO "A49"]
[EventDate "2018.06.19"]
[PlyCount "62"]

1.Nf3 Nf6 2.d4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.b3 a5 7.Bb2 a4 8.c4 Nbd7 
9.Nc3 a3 10.Bc1 e5 11.e3 exd4 12.Nxd4 Re8 13.Qc2 Nc5 14.b4 Ne6 15.Qb3 Nxd4
16.exd4 Nd7 17.Be3 Nf6 18.h3 Bf5 19.Rad1 Ne4 20.Nb1 h5 21.Nxa3 Qd7 22.Kh2 
Qa4 23.Nb5 Qxa2 24.Qxa2 Rxa2 25.Ra1 Rc2 26.Nxc7 Rc8 27.Nd5 Re8 28.Nb6 Nd2 
29.Rfd1 Nxc4 30.Nxc4 Rxc4 31.b5 Be4 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "3.4"]
[White "Guo, Arthur"]
[Black "Delgado Romero, Marco"]
[Result "1-0"]
[WhiteElo "2165"]
[BlackElo "2209"]
[ECO "A58"]
[EventDate "2018.06.19"]
[PlyCount "89"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 g6 6.Nc3 Bg7 7.e4 O-O 8.Nf3 Qa5 
9.Bd2 Bxa6 10.Bxa6 Qxa6 11.Qe2 d6 12.a4 Qxe2+ 13.Kxe2 Na6 14.Rhb1 Rfb8 15.
Ne1 c4 16.Nc2 Nc5 17.f3 Nfd7 18.Ne3 Nb6 19.a5 Nb3 20.axb6 Nxa1 21.Nxc4 Nb3
22.Be3 Bd4 23.Bxd4 Nxd4+ 24.Kd3 Nb3 25.Nb5 Ra4 26.Na7 Rxc4 27.Kxc4 Rxb6 
28.Kc3 Kf8 29.Nc6 e6 30.Nb4 Nc5 31.Ra1 Kg7 32.Ra3 Kf6 33.g3 g5 34.Nc6 exd5
35.exd5 Nd7 36.b4 Rb7 37.Kc4 Nb6+ 38.Kd4 Nc8 39.Ra8 Ne7 40.Kc4 Nf5 41.Re8 
h5 42.b5 Ne7 43.Rxe7 Rxe7 44.Nxe7 Kxe7 45.b6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "3.5"]
[White "Esmeraldas Huachi, Anderson"]
[Black "Avila Pavas, Santiago"]
[Result "1-0"]
[WhiteElo "1865"]
[BlackElo "2278"]
[ECO "A58"]
[EventDate "2018.06.19"]
[PlyCount "79"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 g6 6.Nc3 Bg7 7.g3 O-O 8.Bg2 d6 
9.Nf3 Bxa6 10.O-O Nfd7 11.Rb1 Nb6 12.Re1 Nc4 13.Nd2 Na3 14.Ra1 Nd7 15.Ndb1
Nc4 16.b3 Na5 17.Bb2 Qb8 18.Nd2 c4 19.Rb1 Rc8 20.Bh3 f5 21.b4 Qxb4 22.a3 
Qb7 23.Ba1 Qa7 24.e4 Bd4 25.Rf1 Ne5 26.Nf3 Nxf3+ 27.Qxf3 Nb3 28.exf5 Nd2 
29.Qg4 Nxf1 30.Rxf1 Rf8 31.Nb5 Bxf2+ 32.Rxf2 Bxb5 33.Bd4 Qd7 34.Qh4 e5 35.
dxe6 Qb7 36.f6 Be8 37.Qh6 Qb1+ 38.Bf1 Rf7 39.exf7+ Kxf7 40.Re2 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "3.6"]
[White "Reinoso Salas, Daniel"]
[Black "Neira Valarezo, Joel Alejandro"]
[Result "1-0"]
[WhiteElo "2067"]
[ECO "D13"]
[EventDate "2018.06.19"]
[PlyCount "77"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 Bf5 5.cxd5 cxd5 6.Qb3 Bc8 7.Ne5 e6 8.e3 
Bd6 9.Bb5+ Ke7 10.f4 Nbd7 11.Bd2 Re8 12.O-O Kf8 13.Rac1 a6 14.Bd3 h6 15.h3
b5 16.Nc6 Qb6 17.Ne2 Nb8 18.Ne5 Bb7 19.Bb4 Nbd7 20.Qa3 Bxb4 21.Qxb4+ Kg8 
22.Rc2 Rac8 23.Rfc1 Rxc2 24.Rxc2 g6 25.g4 h5 26.g5 Nxe5 27.fxe5 Nd7 28.Kf2
Bc6 29.Qd6 Nb8 30.h4 Qb7 31.Nf4 Kg7 32.Kg3 Kg8 33.Qb4 Qe7 34.Qa5 Qd8 35.
Qc3 Qd7 36.Rf2 Qc7 37.Qe1 Qb7 38.Qf1 Rf8 39.Nxg6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "3.7"]
[White "Estrada Lavin, Cristian Alexand"]
[Black "Ghatti, Sanjay"]
[Result "0-1"]
[WhiteElo "2120"]
[BlackElo "2189"]
[ECO "E92"]
[EventDate "2018.06.19"]
[PlyCount "52"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 a5 8.Bg5 h6 9.
Be3 Ng4 10.Bd2 f5 11.h3 Nf6 12.exf5 gxf5 13.Qc1 f4 14.g3 e4 15.Nh4 e3 16.
fxe3 fxg3 17.Ng6 Re8 18.Qc2 Na6 19.Bf3 Nb4 20.Qb1 Nh7 21.Bg2 Qf6 22.Rf1 
Qd4 23.Be4 Qxc4 24.Rf4 Qc5 25.a3 Na6 26.b4 Qa7 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "3.8"]
[White "Noboa, Kevin"]
[Black "Menes Aguirre, Ivan"]
[Result "1-0"]
[WhiteElo "2267"]
[BlackElo "1792"]
[ECO "A56"]
[EventDate "2018.06.19"]
[PlyCount "75"]

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 Bg7 6.Bd3 O-O 7.h3 e6 8.Bg5 h6 9.
Be3 Na6 10.Nf3 Re8 11.O-O e5 12.Qd2 Kh7 13.Ne2 Nc7 14.b4 b5 15.bxc5 bxc4 
16.Bc2 Ba6 17.Nc3 dxc5 18.Bxc5 Nd7 19.Be3 Nb5 20.Nxb5 Bxb5 21.Qc3 Bf8 22.
Rab1 Ba6 23.Ba4 Bd6 24.Bc6 Rc8 25.Nd2 Rf8 26.Nxc4 Bb8 27.Rfc1 Bxc4 28.Qxc4
f5 29.Rb7 Rc7 30.exf5 gxf5 31.Rxc7 Qxc7 32.Qh4 Qd6 33.Bxd7 Qxd7 34.Qxh6+ 
Kg8 35.Rc6 Rf7 36.Bc5 e4 37.Rg6+ Rg7 38.Rf6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "3.9"]
[White "Caceres Limones, Danilo"]
[Black "Jaramillo Arce, David"]
[Result "1/2-1/2"]
[WhiteElo "1560"]
[BlackElo "2100"]
[ECO "A46"]
[EventDate "2018.06.19"]
[PlyCount "84"]

1.d4 Nf6 2.Nf3 c5 3.c3 e6 4.Bf4 Qb6 5.Qb3 Nc6 6.Nbd2 d5 7.e3 Be7 8.Be2 O-O
9.Ne5 Nxe5 10.Bxe5 Bd7 11.g4 Qxb3 12.axb3 a6 13.O-O Bc6 14.Bg3 Rfe8 15.g5 
Ne4 16.Nxe4 dxe4 17.h4 Red8 18.Rfd1 cxd4 19.Rxd4 Bc5 20.Rxd8+ Rxd8 21.b4 
Be7 22.Rd1 Rxd1+ 23.Bxd1 Kf8 24.Kg2 Ke8 25.f3 exf3+ 26.Bxf3 Kd7 27.Bxc6+ 
Kxc6 28.Kf3 f6 29.gxf6 gxf6 30.e4 h5 31.Ke3 e5 32.Kd3 Kd6 33.Kc4 b5+ 34.
Kd3 Ke6 35.b3 f5 36.exf5+ Kxf5 37.Ke3 Bf8 38.Be1 Bh6+ 39.Kd3 Bg7 40.c4 e4+
41.Ke3 bxc4 42.bxc4 Bb2 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.20"]
[Round "3.10"]
[White "Aspiazu, Marlon"]
[Black "Ramos Baya, David Santiago"]
[Result "1/2-1/2"]
[WhiteElo "1977"]
[BlackElo "1693"]
[ECO "A13"]
[EventDate "2018.06.19"]
[PlyCount "63"]

1.Nf3 Nf6 2.c4 e6 3.e3 b6 4.b3 Bb7 5.Bb2 g6 6.Be2 Bg7 7.O-O O-O 8.d4 d5 9.
Nc3 Ne4 10.Qc2 Na6 11.Rac1 c5 12.dxc5 Naxc5 13.Rfd1 Qe7 14.cxd5 Nxc3 15.
Bxc3 Bxd5 16.Bxg7 Kxg7 17.b4 Ne4 18.Rd4 Rac8 19.Qxc8 Rxc8 20.Rxc8 Nd6 21.
Rc2 Nf5 22.Rd1 Qxb4 23.Rc7 a5 24.Ng5 Nd6 25.Bf3 Bxf3 26.gxf3 Kg8 27.Rd7 
Qh4 28.Nxe6 fxe6 29.R1xd6 Qg5+ 30.Kh1 Qf5 31.Rxb6 Qxf3+ 32.Kg1 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "4.1"]
[White "Guo, Arthur"]
[Black "Cofre Archibold, Nestor"]
[Result "1/2-1/2"]
[WhiteElo "2165"]
[BlackElo "2364"]
[ECO "A67"]
[EventDate "2018.06.19"]
[PlyCount "76"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ Nfd7
9.Nf3 a6 10.Bd3 b5 11.O-O O-O 12.Kh1 Bb7 13.f5 Ne5 14.Bg5 Bf6 15.Bxf6 Qxf6
16.Nxe5 Qxe5 17.Qg4 Bc8 18.Rf3 Ra7 19.Qh4 f6 20.fxg6 hxg6 21.Raf1 Rh7 22.
Qg3 c4 23.Qxe5 dxe5 24.Bc2 Nd7 25.a4 b4 26.Nd1 a5 27.Ne3 Ba6 28.R1f2 Kg7 
29.d6 Rhh8 30.h3 Rd8 31.Nd5 Bb7 32.Nxf6 Nxf6 33.Rxf6 Rhf8 34.Rxf8 Rxf8 35.
Rd2 Rd8 36.b3 c3 37.Rd1 Kf6 38.Kh2 Ke6 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "4.2"]
[White "Vazquez Maccarini, Danitza"]
[Black "Esmeraldas Huachi, Anderson"]
[Result "1-0"]
[WhiteElo "2242"]
[BlackElo "1865"]
[ECO "B50"]
[EventDate "2018.06.19"]
[PlyCount "69"]

1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.h3 e6 5.Bd3 Be7 6.O-O O-O 7.Bc2 b5 8.d4 Bb7 9.
Re1 cxd4 10.cxd4 Qc7 11.Bf4 Nc6 12.Nc3 a6 13.Rc1 b4 14.Ne2 e5 15.Bd2 Qb6 
16.d5 Na5 17.Be3 Qd8 18.b3 Qb8 19.Ng3 Bc8 20.Qd2 g6 21.a3 Nb7 22.Qxb4 Bd7 
23.Nxe5 a5 24.Nxd7 axb4 25.Nxb8 Rfxb8 26.axb4 Nd8 27.Bd2 Nd7 28.f4 Ra2 29.
Bc3 Rc8 30.Bd3 Bh4 31.Kh2 Ra3 32.Bc4 Nb6 33.Bb2 Ra2 34.Re2 Kf8 35.Bg7+ 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "4.3"]
[White "Aguirre Burgos, Flavio Jose"]
[Black "Reinoso Salas, Daniel"]
[Result "0-1"]
[WhiteElo "1737"]
[BlackElo "2067"]
[ECO "D17"]
[EventDate "2018.06.19"]
[PlyCount "112"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 dxc4 5.a4 Bf5 6.g3 e6 7.Bg2 Nbd7 8.O-O Bb4
9.Bg5 Qa5 10.Bxf6 Nxf6 11.Na2 Be4 12.Qc1 Bd5 13.Ne5 Be7 14.Nc3 Bxg2 15.
Kxg2 Qb4 16.Nd1 Rd8 17.Ne3 O-O 18.Rd1 c5 19.dxc5 Rxd1 20.Nxd1 Bxc5 21.Qxc4
Qxc4 22.Nxc4 Rc8 23.Nde3 Kf8 24.a5 a6 25.b4 Bxe3 26.Nxe3 Ne4 27.Rd1 Ke7 
28.Rd4 Nd6 29.f4 g6 30.g4 Rc3 31.Rd3 Rc1 32.Kf3 Rb1 33.Rd4 Rb3 34.Kf2 h6 
35.h3 f6 36.h4 Rb1 37.Kf3 h5 38.Kf2 hxg4 39.Nxg4 Rh1 40.Nxf6 Nf5 41.Ng8+ 
Kf7 42.Rd8 Rxh4 43.e3 Rh8 44.Rd7+ Kxg8 45.Rxb7 Rh2+ 46.Kg1 Rb2 47.e4 Nd4 
48.Rb6 Kf7 49.e5 g5 50.fxg5 Kg6 51.Rxa6 Rxb4 52.Rd6 Nf3+ 53.Kf2 Nxg5 54.a6
Ne4+ 55.Ke3 Nxd6 56.exd6 Kf7 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "4.4"]
[White "Delgado Romero, Marco"]
[Black "Molina Mendoza, Omar"]
[Result "0-1"]
[WhiteElo "2209"]
[BlackElo "2214"]
[ECO "C07"]
[EventDate "2018.06.19"]
[PlyCount "86"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd7 7.O-O Nc6 8.Nb3
a6 9.Nbxd4 Nxd4 10.Nxd4 Bd6 11.Re1 Ne7 12.Bg5 Qc7 13.Bxe6 fxe6 14.Nxe6 
Bxe6 15.Rxe6 O-O-O 16.Qg4 Kb8 17.Bxe7 Bxe7 18.Qxg7 Bd6 19.Qxc7+ Kxc7 20.g3
Rhe8 21.Rae1 Rxe6 22.Rxe6 Bc5 23.Re2 a5 24.Kg2 a4 25.a3 Rd1 26.f4 Kc6 27.
Kf3 Rb1 28.c3 Kd5 29.g4 Kc4 30.g5 Kb3 31.h4 Rxb2 32.f5 Rxe2 33.Kxe2 Kxa3 
34.h5 Kb2 35.g6 hxg6 36.hxg6 a3 37.g7 a2 38.g8=Q a1=Q 39.Qd5 Qa6+ 40.c4 
Qc6 41.Kd3 Kb3 42.f6 Qxd5+ 43.cxd5 Bd6 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "4.5"]
[White "Zambrano, Junior"]
[Black "Noboa, Kevin"]
[Result "0-1"]
[WhiteElo "2152"]
[BlackElo "2267"]
[ECO "A40"]
[EventDate "2018.06.19"]
[PlyCount "72"]

1.d4 e6 2.c4 Bb4+ 3.Nd2 Nf6 4.a3 Be7 5.Ngf3 d5 6.e3 O-O 7.Bd3 Nbd7 8.Qc2 
c5 9.cxd5 exd5 10.b3 b6 11.Bb2 Bb7 12.O-O Rc8 13.Qd1 Ne4 14.Ne5 Nxd2 15.
Qxd2 Nxe5 16.dxe5 c4 17.Bf5 Rc6 18.b4 Bc8 19.Bxc8 Qxc8 20.Qxd5 Rd8 21.Qf3 
c3 22.Rac1 Rc4 23.Ba1 a5 24.bxa5 Bxa3 25.axb6 Bxc1 26.Rxc1 Qc5 27.Qe2 h6 
28.b7 Rb8 29.Qa2 Rxb7 30.Qa8+ Qc8 31.Qa6 c2 32.Bd4 Rb1 33.Qa3 Qa6 34.Bb2 
Rxc1+ 35.Bxc1 Qxa3 36.Bxa3 c1=Q+ 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "4.6"]
[White "Mendoza Criollo, Carlos David"]
[Black "Lu, Maximillian"]
[Result "0-1"]
[WhiteElo "1945"]
[BlackElo "2204"]
[ECO "D81"]
[EventDate "2018.06.19"]
[PlyCount "116"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3 dxc4 5.Qxc4 Bg7 6.e4 O-O 7.Be2 Nfd7 8.Be3 
Nb6 9.Qd3 Nc6 10.Rd1 a6 11.Nf3 Bg4 12.a3 Qd7 13.e5 f6 14.exf6 exf6 15.Ne4 
Bf5 16.Qb3+ Qd5 17.Qxd5+ Nxd5 18.Nc5 b5 19.O-O Rfe8 20.Rfe1 Bc8 21.Bf1 Bg4
22.a4 bxa4 23.Nxa6 Nce7 24.Ra1 Bd7 25.Rec1 c6 26.Bd2 Rec8 27.Nc5 Be8 28.
Nxa4 Rcb8 29.Bc4 Bf7 30.b3 g5 31.h3 h6 32.Nc5 Rxa1 33.Rxa1 Nb6 34.Bxf7+ 
Kxf7 35.Ra7 Nd5 36.Kf1 h5 37.Ke2 Kg8 38.g4 h4 39.Kd3 Ng6 40.Kc2 Ngf4 41.
Bxf4 Nxf4 42.Rc7 Nxh3 43.Rxc6 Re8 44.Ne6 Nxf2 45.d5 Nxg4 46.Kd2 Bf8 47.Rc4
Nh6 48.Ke2 h3 49.Kf1 g4 50.Nh4 Bd6 51.Rc6 Bg3 52.Ng6 Kf7 53.Ngf4 Nf5 54.
Rc7+ Re7 55.Rc8 Bxf4 56.Rf8+ Kg6 57.Nxf4+ Kg7 58.Ne6+ Rxe6 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "4.7"]
[White "Ghatti, Sanjay"]
[Black "Araoz Andrade, Ivan Alexander"]
[Result "1-0"]
[WhiteElo "2189"]
[BlackElo "1868"]
[ECO "B91"]
[EventDate "2018.06.19"]
[PlyCount "67"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nb3 Be7 8.Bg2 O-O
9.O-O Nbd7 10.a4 b6 11.Qe2 Bb7 12.Rd1 Qc7 13.Nd2 Bc6 14.Nf1 Rfd8 15.Ne3 g6
16.g4 Nc5 17.g5 Nfxe4 18.Ncd5 Qb7 19.Qg4 f5 20.gxf6 Nxf6 21.Nxf6+ Bxf6 22.
Nd5 Rf8 23.b4 Nd7 24.Ra3 b5 25.axb5 axb5 26.Rxa8 Qxa8 27.Qxd7 Bxd7 28.
Nxf6+ Rxf6 29.Bxa8 Bf5 30.Bg5 Rf8 31.Bd5+ Kg7 32.Ra1 Bxc2 33.Ra7+ Kh8 34.
Bh6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "4.8"]
[White "Avila Pavas, Santiago"]
[Black "Haro, Harold"]
[Result "1-0"]
[WhiteElo "2278"]
[BlackElo "1629"]
[ECO "A48"]
[EventDate "2018.06.19"]
[PlyCount "83"]

1.Nf3 Nf6 2.d4 g6 3.Bg5 Bg7 4.Nbd2 d6 5.c3 O-O 6.e4 c5 7.dxc5 dxc5 8.Bc4 
Nc6 9.Qe2 Ng4 10.Rd1 Qc7 11.O-O Nce5 12.Nxe5 Nxe5 13.Bb3 a6 14.h3 b5 15.
Bd5 Bb7 16.Bxb7 Qxb7 17.f4 Nc6 18.Bh4 b4 19.e5 bxc3 20.bxc3 Qb2 21.Qc4 
Rac8 22.Ne4 Qb5 23.Qxb5 axb5 24.Nxc5 Nxe5 25.fxe5 Rxc5 26.Bxe7 Rxe5 27.
Bxf8 Bxf8 28.Rd7 f5 29.Rb7 Rc5 30.Rd1 Rxc3 31.Rd8 Rc6 32.Rdd7 b4 33.Rd8 
Rd6 34.Rc8 Rd1+ 35.Kf2 Rd2+ 36.Kf3 Rd6 37.Rbb8 Rf6 38.Rxb4 Kf7 39.Rb7+ Be7
40.Rh8 Ke6 41.Re8 Rf7 42.a4 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "4.9"]
[White "Ramos Baya, David Santiago"]
[Black "Estrada Lavin, Cristian Alexand"]
[Result "0-1"]
[WhiteElo "1693"]
[BlackElo "2120"]
[ECO "B42"]
[EventDate "2018.06.19"]
[PlyCount "66"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 6.Nb3 Ba7 7.Nc3 Nc6 8.a4 
Nf6 9.Bg5 h6 10.Bh4 d6 11.O-O g5 12.Bg3 e5 13.Bc4 Bg4 14.Qd2 Rc8 15.Bd5 
O-O 16.Kh1 Rc7 17.f3 Be6 18.Rfd1 Rd7 19.a5 Ne7 20.Bxe6 fxe6 21.Qe2 Ng6 22.
Nd2 Nf4 23.Bxf4 gxf4 24.Nc4 Nh5 25.Qe1 Qg5 26.Nb6 Rg7 27.Rd2 Kh8 28.Kg1 
Rfg8 29.Kf1 Nf6 30.Rf2 Qh4 31.h3 Qg3 32.Qd2 Qh2 33.Re1 Nh5 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "4.10"]
[White "Jaramillo Arce, David"]
[Black "Marquez Pereira, Antonio Carlos"]
[Result "1-0"]
[WhiteElo "2100"]
[ECO "D34"]
[EventDate "2018.06.19"]
[PlyCount "55"]

1.d4 d5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O O-O 6.c4 c5 7.cxd5 exd5 8.Nc3 
Nc6 9.Bg5 Ne4 10.Bxe7 Nxe7 11.Rc1 Nxc3 12.Rxc3 c4 13.Re1 b5 14.e4 dxe4 15.
Rxe4 Nd5 16.Rc1 Rb8 17.Ne5 Rb6 18.Rh4 Rd6 19.b3 cxb3 20.Qxb3 a6 21.Rxc8 
Qxc8 22.Bxd5 Rf6 23.Kg2 g6 24.Qe3 h5 25.Qh6 Qc2 26.Nf3 Re8 27.Rxh5 gxh5 
28.Qxf6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "5.1"]
[White "Cofre Archibold, Nestor"]
[Black "Vazquez Maccarini, Danitza"]
[Result "1/2-1/2"]
[WhiteElo "2364"]
[BlackElo "2242"]
[ECO "A07"]
[EventDate "2018.06.19"]
[PlyCount "93"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 Bg4 4.b3 e6 5.Bb2 c5 6.d3 Nc6 7.Nbd2 Be7 8.h3 Bh5 
9.O-O O-O 10.a3 Nd7 11.c4 Bf6 12.Qb1 Qe7 13.Re1 dxc4 14.bxc4 Bg6 15.Bxf6 
Nxf6 16.Qb2 Rac8 17.Reb1 b6 18.a4 e5 19.Nh4 Nd4 20.Nxg6 hxg6 21.Re1 Rfd8 
22.a5 Rb8 23.axb6 axb6 24.Rab1 b5 25.e3 Nf5 26.cxb5 Rxd3 27.Nc4 e4 28.Bf1 
Rd7 29.Ne5 Rd6 30.Bc4 Nh6 31.Nxg6 Qd7 32.Kg2 Rd2 33.Qe5 Rxf2+ 34.Kxf2 
Nfg4+ 35.hxg4 Nxg4+ 36.Kg2 Nxe5 37.Nxe5 Qf5 38.Nxf7 Qf3+ 39.Kh2 Qf2+ 40.
Kh3 Qf5+ 41.Kh4 g5+ 42.Nxg5+ Kg7 43.Nf7 Qf6+ 44.Kh3 Qf5+ 45.Kg2 Qf3+ 46.
Kh2 Qf2+ 47.Kh3 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "5.2"]
[White "Molina Mendoza, Omar"]
[Black "Guo, Arthur"]
[Result "1/2-1/2"]
[WhiteElo "2214"]
[BlackElo "2165"]
[ECO "E06"]
[EventDate "2018.06.19"]
[PlyCount "46"]

1.d4 Nf6 2.c4 e6 3.g3 Be7 4.Bg2 d5 5.Nf3 O-O 6.O-O c6 7.Qc2 b6 8.Nbd2 Bb7 
9.Rd1 Na6 10.b3 Rc8 11.Bb2 Rc7 12.Rac1 Qa8 13.a3 c5 14.dxc5 Rxc5 15.b4 
Rcc8 16.Qb1 h6 17.Ne5 Rfd8 18.cxd5 Rxc1 19.Qxc1 Bxd5 20.Bxd5 Rxd5 21.Ndf3 
Rxd1+ 22.Qxd1 Qc8 23.Qc1 Qxc1+ 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "5.3"]
[White "Reinoso Salas, Daniel"]
[Black "Esmeraldas Huachi, Anderson"]
[Result "1-0"]
[WhiteElo "2067"]
[BlackElo "1865"]
[ECO "E97"]
[EventDate "2018.06.19"]
[PlyCount "63"]

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.Re1 f5 11.Ng5 Nf4 12.Bxf4 exf4 13.Rc1 Bh6 14.Nf3 a5 15.a3 g5 
16.Nd4 g4 17.f3 g3 18.h3 fxe4 19.Nxe4 Nf5 20.Nxf5 Bxf5 21.Bd3 axb4 22.axb4
Bg7 23.Bb1 Qh4 24.Qd2 Ra3 25.c5 Bxh3 26.gxh3 Qxh3 27.Re2 Rf5 28.Nxd6 Re5 
29.Nf5 Rxf3 30.d6 Rxe2 31.Qxe2 Rf2 32.Qe6+ 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "5.4"]
[White "Noboa, Kevin"]
[Black "Ghatti, Sanjay"]
[Result "1-0"]
[WhiteElo "2267"]
[BlackElo "2189"]
[ECO "A50"]
[EventDate "2018.06.19"]
[PlyCount "75"]

1.d4 Nf6 2.c4 Nc6 3.Nf3 e6 4.Nc3 d5 5.cxd5 exd5 6.Bg5 Be7 7.e3 h6 8.Bh4 g5
9.Bg3 Ne4 10.Bd3 Bf5 11.Bxe4 Bxe4 12.Nxe4 dxe4 13.Nd2 Bb4 14.O-O Bxd2 15.
Qxd2 O-O 16.f3 exf3 17.Rxf3 f5 18.Qc2 Qd7 19.Rc1 f4 20.Be1 Rae8 21.Bc3 Qf5
22.Qb3+ Qf7 23.Qxb7 Qd5 24.exf4 g4 25.Rf2 Rf5 26.Qa6 Re6 27.Qd3 Re4 28.Qg3
h5 29.h3 Nxd4 30.hxg4 Rf7 31.Bxd4 Qxd4 32.gxh5+ Rg7 33.Qc3 Qd8 34.Qb3+ Kh8
35.Qf3 Rd4 36.Re2 Qh4 37.Re8+ Kh7 38.Qa8 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "5.5"]
[White "Lu, Maximillian"]
[Black "Jaramillo Arce, David"]
[Result "1-0"]
[WhiteElo "2204"]
[BlackElo "2100"]
[ECO "E08"]
[EventDate "2018.06.19"]
[PlyCount "125"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Nf3 Bb4+ 5.Bd2 Be7 6.Bg2 c6 7.Qc2 Nbd7 8.O-O 
O-O 9.Bf4 b6 10.Nbd2 Bb7 11.e4 dxe4 12.Nxe4 Nxe4 13.Qxe4 Rc8 14.Rad1 Re8 
15.Rfe1 Nf6 16.Qe2 Bb4 17.Rf1 Bf8 18.a3 Qe7 19.b4 a5 20.bxa5 bxa5 21.c5 
Nd5 22.Bd6 Qd8 23.Bxf8 Rxf8 24.Qc2 Ba6 25.Rfe1 a4 26.h4 h6 27.Bh3 Qa5 28.
Kg2 Qc3 29.Qxc3 Nxc3 30.Rc1 Nd5 31.Ne5 Rfd8 32.Kg1 Ne7 33.Red1 Bb5 34.Nc4 
Bxc4 35.Rxc4 Ra8 36.Rb1 Ra7 37.Rbb4 Rda8 38.Bg2 Kf8 39.Be4 Ke8 40.Bc2 Kd7 
41.Be4 Kc7 42.Kf1 f5 43.Bf3 g5 44.hxg5 hxg5 45.Bd1 Nd5 46.Rxa4 Rxa4 47.
Rxa4 Rxa4 48.Bxa4 Nc3 49.Bb3 Nb5 50.Bxe6 Nxd4 51.Bc4 Nf3 52.Ke2 Ne5 53.Be6
f4 54.gxf4 gxf4 55.Kd2 Kb7 56.Kc3 Ka6 57.Kd4 Nf3+ 58.Kc4 Ne5+ 59.Kd4 Nf3+ 
60.Ke4 Ng5+ 61.Kf5 Nh3 62.Bc4+ Ka5 63.f3 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "5.6"]
[White "Rodriguez Horna, Lorenzo"]
[Black "Avila Pavas, Santiago"]
[Result "1-0"]
[WhiteElo "1939"]
[BlackElo "2278"]
[ECO "A01"]
[EventDate "2018.06.19"]
[PlyCount "119"]

1.b3 e5 2.Bb2 Nc6 3.e3 d5 4.Bb5 f6 5.f4 exf4 6.exf4 Bc5 7.d4 Bd6 8.Qf3 a6 
9.Bxc6+ bxc6 10.Nc3 Nh6 11.O-O-O Bg4 12.Re1+ Kf7 13.Qf2 Re8 14.Nf3 Bxf4+ 
15.Kb1 Bxf3 16.Qxf3 Qd6 17.Ne2 Be3 18.Ng3 Qf4 19.Qd1 Qg4 20.Qd3 Bf4 21.
Ref1 Bxg3 22.hxg3 Qe4 23.Qc3 Re6 24.Re1 Qg4 25.Bc1 Rxe1 26.Rxe1 Qd7 27.
Bxh6 gxh6 28.Qd3 Kg7 29.Qe2 Rf8 30.Qxa6 Qd6 31.Qd3 Ra8 32.Qe3 Kg8 33.Qe6+ 
Kf8 34.a4 Qxg3 35.Qxf6+ Kg8 36.Qe6+ Kh8 37.Qe5+ Qxe5 38.Rxe5 Rg8 39.Re6 
Rxg2 40.Rxc6 h5 41.a5 h4 42.Rh6 Rg4 43.a6 Rg8 44.Rxh4 Rg6 45.Rh5 Rxa6 46.
Rxd5 Kg7 47.Rd7+ Kg6 48.Rxc7 h5 49.Rc3 h4 50.Rh3 Kg5 51.c4 Kg4 52.Rh1 Rd6 
53.Rd1 h3 54.c5 Rd8 55.d5 h2 56.d6 Kf3 57.Kc2 Kg2 58.Kc3 h1=Q 59.Rxh1 Kxh1
60.Kc4 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "5.7"]
[White "Estrada Lavin, Cristian Alexand"]
[Black "Gomez Barrera, Gonzalo Andres"]
[Result "1/2-1/2"]
[WhiteElo "2120"]
[BlackElo "1814"]
[ECO "D13"]
[EventDate "2018.06.19"]
[PlyCount "40"]

1.Nf3 Nf6 2.d4 c5 3.c3 cxd4 4.cxd4 d5 5.Nc3 Nc6 6.Bf4 e6 7.e3 Bb4 8.a3 Bd6
9.Bg3 Bxg3 10.hxg3 a6 11.Bd3 Qe7 12.Rc1 Bd7 13.Na4 O-O 14.Nb6 Rab8 15.Ne5 
g6 16.Nbxd7 Nxd7 17.Nxc6 bxc6 18.Rxc6 Rxb2 19.Rxa6 Ra2 20.Qc1 Rb8 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "5.8"]
[White "Aspiazu, Marlon"]
[Black "Aguirre Burgos, Flavio Jose"]
[Result "1-0"]
[WhiteElo "1977"]
[BlackElo "1737"]
[ECO "E94"]
[EventDate "2018.06.19"]
[PlyCount "46"]

1.c4 Nf6 2.Nc3 g6 3.d4 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Na6 8.Be3 Ng4 
9.Bg5 Qe8 10.d5 f5 11.Ne1 Nh6 12.f3 Nf7 13.Bd2 f4 14.Nd3 g5 15.b4 b6 16.
Rc1 h5 17.c5 Nh6 18.cxd6 cxd6 19.Nf2 Qg6 20.Nb5 g4 21.Rc6 g3 22.hxg3 fxg3 
23.Nh3 Nf7 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "5.9"]
[White "Araoz Andrade, Ivan Alexander"]
[Black "Delgado Romero, Marco"]
[Result "1/2-1/2"]
[WhiteElo "1868"]
[BlackElo "2209"]
[ECO "B15"]
[EventDate "2018.06.19"]
[PlyCount "144"]

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.Nf3 d5 5.h3 dxe4 6.Nxe4 Nf6 7.Nxf6+ exf6 8.Bd3
O-O 9.O-O Be6 10.c3 a5 11.Bf4 Re8 12.Re1 Nd7 13.Qc2 Qb6 14.Re2 Bd5 15.
Rxe8+ Rxe8 16.Nd2 Qd8 17.a3 Nf8 18.b4 Ne6 19.Be3 f5 20.f3 axb4 21.axb4 Qh4
22.Bf2 Qg5 23.h4 Qh6 24.Re1 Ra8 25.Nb3 Nf4 26.c4 Be6 27.Nc5 Rd8 28.Nxb7 
Rxd4 29.Bf1 Rd2 30.Qa4 Rxf2 31.Qa8+ Bf8 32.Kxf2 Qxh4+ 33.g3 Qh2+ 34.Ke3 
Qg1+ 35.Kd2 Qf2+ 36.Be2 Bxc4 37.gxf4 Qd4+ 38.Kc2 Kg7 39.Nc5 Qf2 40.Qa1+ f6
41.Kd2 Bd6 42.Qa7+ Kh8 43.Qa8+ Bg8 44.Nd3 Qd4 45.Qxc6 Bxb4+ 46.Kc2 Bxe1 
47.Nxe1 h5 48.Qe8 Kg7 49.Nd3 Bf7 50.Qe7 h4 51.Bf1 Kg8 52.Qe2 Qd6 53.Qf2 
Qd5 54.Qxh4 Qxf3 55.Qf2 Qd5 56.Kd2 Kg7 57.Qg2 Qa5+ 58.Ke2 Bd5 59.Qg3 Bc4 
60.Ke3 Qa7+ 61.Kd2 Qc7 62.Qe3 Qa5+ 63.Ke2 Qa2+ 64.Kf3 Qh2 65.Qe7+ Bf7 66.
Nc5 Qh5+ 67.Ke3 g5 68.Ne6+ Kg6 69.Nf8+ Kg7 70.Ne6+ Kg6 71.Nf8+ Kg7 72.Ne6+
Kg6 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.21"]
[Round "5.10"]
[White "Menes Aguirre, Ivan"]
[Black "Zambrano, Junior"]
[Result "0-1"]
[WhiteElo "1792"]
[BlackElo "2152"]
[ECO "B10"]
[EventDate "2018.06.19"]
[PlyCount "48"]

1.e4 c6 2.d3 d5 3.Nd2 e5 4.Ngf3 Bd6 5.g3 Ne7 6.Bg2 O-O 7.O-O h6 8.b3 Be6 
9.Bb2 Nd7 10.d4 Bg4 11.h3 Bxf3 12.Nxf3 dxe4 13.Nxe5 f5 14.c4 Qc7 15.Nxd7 
Qxd7 16.d5 c5 17.Qh5 Qe8 18.Qxe8 Raxe8 19.f3 exf3 20.Rxf3 Ng6 21.Raf1 f4 
22.g4 Nh4 23.R3f2 f3 24.Bxf3 Bg3 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.1"]
[White "Vazquez Maccarini, Danitza"]
[Black "Reinoso Salas, Daniel"]
[Result "1/2-1/2"]
[WhiteElo "2242"]
[BlackElo "2067"]
[ECO "B14"]
[EventDate "2018.06.19"]
[PlyCount "90"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Bb4 7.a3 Bxc3+ 8.bxc3 
dxc4 9.Bxc4 O-O 10.O-O Qc7 11.Qd3 Nbd7 12.Bg5 b6 13.Bh4 Bb7 14.Bg3 Qc6 15.
Bb5 Qe4 16.Qxe4 Bxe4 17.Nd2 Bd5 18.c4 Bb7 19.Rab1 Rfd8 20.Bc7 Rdc8 21.Bd6 
Bc6 22.Ba6 Rd8 23.Bc7 Re8 24.Nf3 Nb8 25.Bxb8 Raxb8 26.Ne5 Bb7 27.Bxb7 Rxb7
28.c5 Nd5 29.Nc4 Rc7 30.Nd6 Ra8 31.Rfc1 Kf8 32.g3 Ke7 33.Kg2 Rc6 34.a4 g5 
35.a5 f5 36.Nc4 bxc5 37.Ne5 Rc7 38.dxc5 Rac8 39.c6 Kd6 40.Nc4+ Ke7 41.Rb7 
Kf8 42.Ne5 Ke7 43.a6 g4 44.Nc4 Kf8 45.Na5 Ke7 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.2"]
[White "Molina Mendoza, Omar"]
[Black "Cofre Archibold, Nestor"]
[Result "1/2-1/2"]
[WhiteElo "2214"]
[BlackElo "2364"]
[ECO "E64"]
[EventDate "2018.06.19"]
[PlyCount "83"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 c5 6.d5 d6 7.Nf3 Na6 8.O-O Nc7 
9.a4 Rb8 10.Qc2 a6 11.a5 e6 12.e4 exd5 13.cxd5 Re8 14.Nd2 Nb5 15.Nc4 Ng4 
16.Bf4 Nd4 17.Qd3 Ne5 18.Bxe5 Bxe5 19.Nxe5 Rxe5 20.f4 Re8 21.Ne2 Nxe2+ 22.
Qxe2 f6 23.Qd2 b5 24.b4 cxb4 25.Qxb4 f5 26.e5 dxe5 27.fxe5 Rxe5 28.Rae1 
Rxe1 29.Rxe1 Kf7 30.d6 Be6 31.Bd5 Bxd5 32.Re7+ Qxe7 33.dxe7 Re8 34.Qd6 Bb7
35.Qb6 Rxe7 36.Qd6 h6 37.Kf2 h5 38.h4 Re6 39.Qd7+ Re7 40.Qd6 Re4 41.Qd7+ 
Re7 42.Qd6 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.3"]
[White "Lu, Maximillian"]
[Black "Noboa, Kevin"]
[Result "1/2-1/2"]
[WhiteElo "2204"]
[BlackElo "2267"]
[ECO "E11"]
[EventDate "2018.06.19"]
[PlyCount "108"]

1.d4 e6 2.c4 Bb4+ 3.Bd2 Qe7 4.g3 Nc6 5.Nf3 Nf6 6.Bg2 Bxd2+ 7.Qxd2 Ne4 8.
Qc2 Qb4+ 9.Nc3 Nxc3 10.Qxc3 Qxc3+ 11.bxc3 d6 12.Rb1 O-O 13.e3 Rb8 14.Nd2 
Na5 15.O-O b6 16.c5 Ba6 17.Rfc1 bxc5 18.dxc5 Bd3 19.Rb4 d5 20.Bf1 Bxf1 21.
Kxf1 Nc6 22.Rb3 f6 23.Rcb1 Kf7 24.Rb7 Rfc8 25.e4 Rxb7 26.Rxb7 dxe4 27.Nxe4
Ke8 28.Ke2 Kd7 29.Kd3 Rb8 30.Rxb8 Nxb8 31.Nd2 Nc6 32.f4 h5 33.Nf3 Nd8 34.
Kc4 c6 35.Kd4 Nf7 36.Ke4 Nh6 37.h3 Nf5 38.g4 hxg4 39.hxg4 Ne7 40.c4 Ng8 
41.g5 Ne7 42.Nh4 Kc7 43.Kd3 Kb7 44.gxf6 gxf6 45.Kc3 Kc7 46.Kd3 Kd7 47.Ke4 
Ke8 48.Kf3 Kf7 49.Ke4 Kg7 50.Kf3 Ng6 51.Ng2 Nf8 52.Ne3 Kf7 53.Nc2 Ke7 54.
Ke4 Ng6 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.4"]
[White "Guo, Arthur"]
[Black "Aspiazu, Marlon"]
[Result "1-0"]
[WhiteElo "2165"]
[BlackElo "1977"]
[ECO "C07"]
[EventDate "2018.06.19"]
[PlyCount "131"]

1.d4 e6 2.e4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd6 7.O-O Nf6 8.Nb3
Nc6 9.Nbxd4 Nxd4 10.Nxd4 a6 11.Re1 Be7 12.Be3 O-O 13.Qf3 Qc7 14.Bb3 Bd6 
15.Qh3 Nd5 16.Bxd5 exd5 17.Qh5 Be6 18.h3 Rfe8 19.Re2 g6 20.Qf3 Be5 21.Rae1
Bg7 22.c3 b5 23.Bg5 Qd7 24.Bf6 Rac8 25.Qf4 Bf5 26.Bxg7 Rxe2 27.Rxe2 Kxg7 
28.Qg5 h6 29.Qe3 Qd6 30.a3 Rd8 31.Qe7 Rd7 32.Qxd6 Rxd6 33.Re7 Bd7 34.Nb3 
Kf6 35.Re3 Be6 36.Kf1 Ke7 37.Ke2 Kd8 38.Kd3 Kc7 39.Kd4 Rd8 40.Nc5 Rd6 41.
b4 Rc6 42.Rf3 Kd6 43.Re3 Rb6 44.Re1 Rc6 45.Ra1 Bc8 46.a4 bxa4 47.Rxa4 Rb6 
48.Ra2 Rc6 49.Ra5 h5 50.h4 f5 51.g3 Rb6 52.Nd3 Be6 53.Nf4 Bf7 54.Nxd5 Bxd5
55.Rxd5+ Kc7 56.Rc5+ Kd7 57.Ra5 Kc7 58.Kc4 Re6 59.Ra2 Rc6+ 60.Kb3 Kb6 61.
Re2 g5 62.c4 gxh4 63.gxh4 f4 64.Re5 Rf6 65.Ka4 Kc6 66.Rxh5 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.5"]
[White "Ghatti, Sanjay"]
[Black "Rodriguez Horna, Lorenzo"]
[Result "1-0"]
[WhiteElo "2189"]
[BlackElo "1939"]
[ECO "B13"]
[EventDate "2018.06.19"]
[PlyCount "119"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 Qc7 6.Ne2 Bg4 7.O-O e6 8.Qe1 
Bxe2 9.Qxe2 Bd6 10.h3 Nf6 11.Nd2 O-O 12.Nf3 Bf4 13.Bxf4 Qxf4 14.Rfe1 Nd7 
15.a4 Rac8 16.g3 Qf6 17.Nh2 g6 18.Ng4 Qg7 19.f4 Rfe8 20.Ne5 f6 21.Nxd7 
Qxd7 22.Qg4 f5 23.Qf3 a6 24.g4 Re7 25.Re2 Rce8 26.b4 Nd8 27.b5 Qc7 28.Rc1 
axb5 29.Bxb5 fxg4 30.hxg4 Rf8 31.Rf1 Ref7 32.Ref2 Kg7 33.Qe3 Rf6 34.Kg2 
Qd6 35.Qg3 g5 36.fxg5 Qxg3+ 37.Kxg3 Rxf2 38.Rxf2 Rxf2 39.Kxf2 Nf7 40.a5 
Nxg5 41.Bd3 Kf6 42.Ke3 h6 43.Kf4 Nh3+ 44.Kg3 Ng5 45.c4 dxc4 46.Bxc4 e5 47.
Bd5 Ne6 48.dxe5+ Kxe5 49.Bxb7 Nd4 50.a6 Nb5 51.Kf3 Na7 52.Ke3 Nb5 53.Kd3 
Kd6 54.Kc4 Na3+ 55.Kb4 Nc2+ 56.Ka5 Kc7 57.Bd5 Na3 58.a7 Nc4+ 59.Ka6 Nb6 
60.Bg2 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.6"]
[White "Zambrano, Junior"]
[Black "Mendoza Criollo, Carlos David"]
[Result "1-0"]
[WhiteElo "2152"]
[BlackElo "1945"]
[ECO "B90"]
[EventDate "2018.06.19"]
[PlyCount "121"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3 e6 7.g4 d5 8.Nde2 Bb4 
9.exd5 Nxd5 10.Bg2 O-O 11.O-O Nxc3 12.Nxc3 Qc7 13.Ne4 Bd7 14.c3 Be7 15.Bg5
Bc6 16.Bxe7 Qxe7 17.Qd6 Qxd6 18.Nxd6 Bxg2 19.Kxg2 Nd7 20.Rfd1 Rab8 21.Rd2 
Ne5 22.f4 Nc6 23.a4 b6 24.Nc4 Rfd8 25.Rad1 b5 26.Rxd8+ Nxd8 27.axb5 axb5 
28.Na3 Nc6 29.Rd6 Na7 30.Rd7 Nc6 31.Rd6 Na7 32.Rd7 Nc6 33.Rc7 Nd8 34.Rc5 
b4 35.cxb4 Rxb4 36.Rc8 Rd4 37.b4 Kf8 38.b5 Ke7 39.b6 Rd2+ 40.Kg1 Rd7 41.
Nc4 f6 42.Kf2 h6 43.Ke3 Nb7 44.Rg8 Kf7 45.Rb8 Ke7 46.h4 Nd8 47.Na5 Kd6 48.
Rxd8 Rxd8 49.Nb7+ Kd7 50.Nxd8 Kxd8 51.Kd4 Kd7 52.Kc5 g6 53.b7 Kc7 54.b8=Q+
Kxb8 55.Kd6 e5 56.fxe5 fxe5 57.Kxe5 Kc7 58.Kf6 g5 59.hxg5 hxg5 60.Kxg5 Kd6
61.Kf6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.7"]
[White "Esmeraldas Huachi, Anderson"]
[Black "Estrada Lavin, Cristian Alexand"]
[Result "1-0"]
[WhiteElo "1865"]
[BlackElo "2120"]
[ECO "D10"]
[EventDate "2018.06.19"]
[PlyCount "120"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Bf4 e6 5.e3 Nbd7 6.Nf3 Be7 7.Bd3 O-O 8.O-O b6 
9.Rc1 Bb7 10.cxd5 exd5 11.Ne5 c5 12.Bf5 g6 13.Bh3 Re8 14.Nb5 Nxe5 15.Bxe5 
Rf8 16.dxc5 bxc5 17.Nc7 Rb8 18.b4 cxb4 19.Nb5 Ra8 20.Bc7 Qe8 21.Nd6 Bxd6 
22.Bxd6 Qb5 23.Bxf8 Rxf8 24.f3 Re8 25.Qd4 Kg7 26.Rfe1 Qa5 27.Rb1 Qxa2 28.
Rxb4 Bc8 29.Bxc8 Rxc8 30.Ra4 Qc2 31.Ra6 Qf5 32.e4 dxe4 33.fxe4 Qc5 34.Qxc5
Rxc5 35.e5 Ng4 36.e6 fxe6 37.Rxa7+ Kh6 38.Re7 e5 39.h3 Nf6 40.R7xe5 Rxe5 
41.Rxe5 g5 42.g3 Kg6 43.Ra5 h6 44.Kf2 Kg7 45.Ke3 Nh5 46.Ra7+ Kg6 47.Ra6+ 
Kg7 48.Kf3 Nf6 49.Rb6 Kf7 50.Ra6 Kg7 51.Ra3 Kg6 52.Ke3 Nh5 53.Ke4 Nf6+ 54.
Ke5 Nh5 55.g4 Nf4 56.h4 Ne2 57.h5+ Kg7 58.Ra7+ Kg8 59.Kf6 Nf4 60.Rd7 Kh8 
1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.8"]
[White "Gomez Barrera, Gonzalo Andres"]
[Black "Avila Pavas, Santiago"]
[Result "0-1"]
[WhiteElo "1814"]
[BlackElo "2278"]
[ECO "B04"]
[EventDate "2018.06.19"]
[PlyCount "124"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 Bg7 7.O-O O-O 8.Re1 Nc6
9.exd6 cxd6 10.h3 d5 11.c3 Bf5 12.Bf4 Na5 13.Bc2 Bxc2 14.Qxc2 Rc8 15.Qe2 
Re8 16.Nbd2 Nac4 17.Nxc4 dxc4 18.Be5 f6 19.Bg3 Qd5 20.Qe6+ Qxe6 21.Rxe6 
Kf7 22.Rae1 Bh6 23.R6e2 Nd5 24.Re4 Rc6 25.Nh2 Rb6 26.R4e2 Bf4 27.Bxf4 Nxf4
28.Rc2 e5 29.Nf3 exd4 30.cxd4 Rxe1+ 31.Nxe1 Nd3 32.Nxd3 cxd3 33.Rd2 Rb4 
34.f3 f5 35.g3 g5 36.Rxd3 Rxb2 37.Rc3 Ke6 38.Rc7 h6 39.Rh7 Kd5 40.Rd7+ Kc6
41.Rh7 Rxa2 42.Rxh6+ Kd5 43.Rf6 a5 44.Rxf5+ Kd6 45.h4 gxh4 46.gxh4 a4 47.
h5 Rd2 48.h6 Rxd4 49.f4 Kc6 50.h7 Rd8 51.Rh5 Rh8 52.Kf2 b5 53.Ke3 a3 54.
Rh2 b4 55.Kd3 b3 56.Kc3 b2 57.Rh6+ Kd5 58.Rh5+ Ke4 59.Re5+ Kxf4 60.Re1 
Rxh7 61.Kb3 Rc7 62.Rf1+ Ke3 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.9"]
[White "Delgado Romero, Marco"]
[Black "Ramos Baya, David Santiago"]
[Result "1-0"]
[WhiteElo "2209"]
[BlackElo "1693"]
[ECO "C96"]
[EventDate "2018.06.19"]
[PlyCount "47"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 cxd4 12.cxd4 Nc6 13.Nc3 Bd7 14.Be3 Rc8 15.Rc1 Re8
16.Bb3 h6 17.a4 b4 18.Nd5 exd4 19.Nxd4 Nxe4 20.Nxc6 Rxc6 21.Rxc6 Bxc6 22.
Bb6 Qb8 23.Rxe4 Bxd5 24.Qxd5 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.10"]
[White "Jaramillo Arce, David"]
[Black "Haro, Harold"]
[Result "1-0"]
[WhiteElo "2100"]
[BlackElo "1629"]
[ECO "A49"]
[EventDate "2018.06.19"]
[PlyCount "82"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.Nbd2 Nbd7 7.e4 e5 8.c3 c6 
9.a4 Re8 10.dxe5 dxe5 11.Qc2 Qc7 12.b3 b5 13.Re1 a5 14.Nf1 Bb7 15.N3d2 
Rad8 16.Ne3 Nc5 17.Bf1 Qb6 18.Ba3 Na6 19.Rad1 h5 20.Bg2 h4 21.Nf3 hxg3 22.
hxg3 Nh5 23.Ng4 f6 24.Bc1 Qc7 25.Nh4 Kh7 26.Be3 Bc8 27.Bf3 Rxd1 28.Qxd1 
Rd8 29.Qe2 bxa4 30.bxa4 c5 31.Nh2 Qf7 32.Qb5 Qc7 33.Bg4 Bf8 34.Kg2 Rd6 35.
Qe8 Ng7 36.Qxg6+ Kg8 37.Nf5 Rb6 38.Nf3 Bb7 39.Rh1 Bd6 40.Qh7+ Kf8 41.Qh8+ 
Kf7 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.12"]
[White "Aguirre Burgos, Flavio Jose"]
[Black "Marquez Pereira, Antonio Carlos"]
[Result "1-0"]
[WhiteElo "1737"]
[ECO "D36"]
[EventDate "2018.06.19"]
[PlyCount "141"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Be7 6.e3 h6 7.Bh4 c6 8.Qc2 O-O
9.Bd3 Be6 10.Nf3 Nbd7 11.O-O c5 12.dxc5 Nxc5 13.Bf5 Qc8 14.Nd4 Bxf5 15.
Nxf5 Qe6 16.Nxe7+ Qxe7 17.Nxd5 Qd6 18.Nxf6+ gxf6 19.Rfd1 Qe5 20.Bxf6 Qxf6 
21.Qxc5 Rfc8 22.Qd4 Qg5 23.h3 Rc6 24.Qg4 Rc2 25.Qxg5+ hxg5 26.Rd5 f6 27.
Rb1 a6 28.a4 Rb8 29.b4 Ra2 30.a5 Kf7 31.Rd6 Kg6 32.Rb6 Rc8 33.Rxb7 Rcc2 
34.Rf1 Rcb2 35.Ra7 Ra4 36.Rxa6 Rbxb4 37.Rb6 Rxb6 38.axb6 Rb4 39.f4 Rxb6 
40.fxg5 Kxg5 41.Kh2 Rb4 42.Kg3 Re4 43.Rf3 Kg6 44.Kf2 f5 45.Rf4 Re7 46.Kf3 
Rh7 47.e4 fxe4+ 48.Rxe4 Rf7+ 49.Rf4 Rb7 50.Kg4 Rb2 51.g3 Rb5 52.h4 Rc5 53.
Rf3 Rc4+ 54.Kh3 Rc6 55.g4 Rb6 56.h5+ Kg7 57.Kh4 Rb4 58.Kg5 Rb5+ 59.Rf5 Rb6
60.Rc5 Ra6 61.h6+ Kh7 62.Rc7+ Kh8 63.Kh5 Rb6 64.g5 Rb5 65.Kg6 Rb6+ 66.Kf7 
Ra6 67.g6 Ra8 68.g7+ Kh7 69.Re7 Rb8 70.Re8 Rb7+ 71.Kf8 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.22"]
[Round "6.16"]
[White "Guaraca, Juan"]
[Black "Leon Sol, Galo Augusto"]
[Result "0-1"]
[WhiteElo "1298"]
[BlackElo "1450"]
[ECO "B43"]
[EventDate "2018.06.19"]
[PlyCount "114"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Qc7 7.O-O b4 8.Nce2 
Bb7 9.c3 Nc6 10.f4 bxc3 11.bxc3 Bc5 12.Kh1 Nf6 13.Nb3 Ba7 14.Qc2 Rc8 15.
Qb1 h6 16.Bd2 O-O 17.Qe1 Ne7 18.Ned4 d5 19.e5 Ne4 20.Bxe4 dxe4 21.Rc1 Qd7 
22.Qe2 Rfd8 23.Na5 Ba8 24.Ndb3 Qd3 25.Qxd3 Rxd3 26.Rfe1 e3 27.Bxe3 Bxe3 
28.Rcd1 Rcd8 29.Rxd3 Rxd3 30.Nc4 Nf5 31.Nxe3 Nxe3 32.Nc5 Nxg2 33.Rb1 Ne3+ 
34.Kg1 Rd1+ 35.Rxd1 Nxd1 36.Nxa6 Nxc3 37.a3 Ne2+ 38.Kf2 Nxf4 39.Nc5 Ng6 
40.Nd3 Kf8 41.Ke3 Ke7 42.Kd4 f6 43.exf6+ gxf6 44.Nc5 e5+ 45.Kc4 Kd6 46.a4 
Bc6 47.a5 f5 48.a6 Kc7 49.Ne6+ Kb6 50.Nd8 Bb5+ 51.Kd5 Bxa6 52.Nf7 h5 53.
Nxe5 Nxe5 54.Kxe5 Bd3 55.Kf4 Kc5 56.Kg5 Kd4 57.Kxh5 Ke3 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "7.1"]
[White "Reinoso Salas, Daniel"]
[Black "Guo, Arthur"]
[Result "0-1"]
[WhiteElo "2067"]
[BlackElo "2165"]
[ECO "E46"]
[EventDate "2018.06.19"]
[PlyCount "120"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 Re8 6.a3 Bf8 7.Ng3 d5 8.Be2 b6 
9.cxd5 exd5 10.b4 c6 11.O-O Ba6 12.Bxa6 Nxa6 13.Qa4 Nb8 14.b5 Qd7 15.Bd2 
Rc8 16.Rac1 a6 17.bxc6 Nxc6 18.Nce2 b5 19.Qb3 Bd6 20.Rc2 Rc7 21.Rfc1 Rac8 
22.f3 h5 23.Qd3 g6 24.Be1 Qe7 25.Rc3 b4 26.axb4 Bxb4 27.Rb3 a5 28.Rbb1 
Bxe1 29.Rxe1 Nb4 30.Qa3 Qe8 31.Rec1 Nc2 32.Qd3 Qxe3+ 33.Qxe3 Nxe3 34.Rxc7 
Rxc7 35.Kf2 Nc4 36.Nc3 Kf8 37.Nge2 Ra7 38.Na4 Ke7 39.Nec3 Nd6 40.Nb6 Kf8 
41.Nca4 Nf5 42.Rd1 Rc7 43.Rd2 Rc1 44.g3 g5 45.h3 g4 46.hxg4 hxg4 47.Nc5 
gxf3 48.Ncd7+ Nxd7 49.Nxd7+ Ke7 50.Ne5 Ra1 51.Kxf3 Ra3+ 52.Kf4 Nxg3 53.Rb2
f6 54.Nc6+ Ke6 55.Nxa5 Rxa5 56.Kxg3 Kf5 57.Rf2+ Kg5 58.Rf3 f5 59.Rf1 Ra3+ 
60.Kf2 Rd3 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "7.2"]
[White "Noboa, Kevin"]
[Black "Vazquez Maccarini, Danitza"]
[Result "1/2-1/2"]
[WhiteElo "2267"]
[BlackElo "2242"]
[ECO "C45"]
[EventDate "2018.06.19"]
[PlyCount "82"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bb4+ 5.c3 Bc5 6.Be3 Bb6 7.Nf5 Bxe3 8.
Nxe3 Nf6 9.f3 d6 10.Be2 O-O 11.O-O Re8 12.c4 Ne7 13.Nc3 Ng6 14.Qd2 Nh5 15.
Rfd1 Nhf4 16.Ncd5 c6 17.Nxf4 Nxf4 18.Bf1 Qb6 19.Qd4 Qa5 20.Qxd6 Qg5 21.Kh1
Be6 22.Qd2 Rad8 23.Qf2 Nh5 24.g3 Qh6 25.Kg1 Qf6 26.Rxd8 Rxd8 27.Rd1 b6 28.
e5 Qe7 29.Rxd8+ Qxd8 30.f4 g6 31.Qe2 Qd4 32.Qf2 Qd7 33.Nc2 c5 34.Ne3 Ng7 
35.Qf3 Nf5 36.Nxf5 Bxf5 37.b3 Qd4+ 38.Qf2 Qd1 39.h4 Bh3 40.Qe2 Qa1 41.Qd3 
Bxf1 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "7.3"]
[White "Cofre Archibold, Nestor"]
[Black "Lu, Maximillian"]
[Result "0-1"]
[WhiteElo "2364"]
[BlackElo "2204"]
[ECO "B90"]
[EventDate "2018.06.19"]
[PlyCount "90"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.Qf3 
Nbd7 9.h3 h5 10.a4 Rc8 11.Bd3 Bg4 12.Qg3 h4 13.Qh2 Be6 14.O-O Be7 15.Rfd1 
g6 16.Kh1 Nh5 17.Qg1 f5 18.Bc1 Ndf6 19.Qe1 f4 20.Nd5 f3 21.gxf3 Bxh3 22.
Qg1 Kf7 23.c4 Nxd5 24.cxd5 g5 25.Be3 Qd7 26.Nd2 Rcg8 27.Nc4 Bd8 28.Ra3 Kf8
29.Rc1 Nf4 30.Bf1 g4 31.Bxf4 g3 32.Be3 Bxf1 33.Qxf1 g2+ 34.Qxg2 Rxg2 35.
Kxg2 Rg8+ 36.Kf1 h3 37.Ke2 h2 38.Raa1 Be7 39.Rh1 Qh3 40.Bb6 Kf7 41.b3 Ke8 
42.Rad1 Rf8 43.Be3 Qxf3+ 44.Kd3 Rg8 45.Nd2 Qxd1 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "7.4"]
[White "Esmeraldas Huachi, Anderson"]
[Black "Molina Mendoza, Omar"]
[Result "1-0"]
[WhiteElo "1865"]
[BlackElo "2214"]
[ECO "E97"]
[EventDate "2018.06.19"]
[PlyCount "108"]

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 Nd7 10.Qc2 a5 11.Ba3 axb4 12.Bxb4 h6 13.Nb5 b6 14.a4 Nc5 15.a5 f5 16.
axb6 Rxa1 17.Rxa1 cxb6 18.Nd2 g5 19.Bxc5 bxc5 20.Ra8 Qb6 21.Qa2 Ng6 22.Qa5
Qxa5 23.Rxa5 Rd8 24.Ra8 Nf4 25.Bf1 Bf6 26.Nxd6 Bd7 27.Rxd8+ Bxd8 28.g3 Nh5
29.Nxf5 Bxf5 30.exf5 Nf6 31.Nb3 Bb6 32.f3 Kf7 33.Kf2 Ke7 34.Ke3 Nxd5+ 35.
cxd5 c4+ 36.Ke4 cxb3 37.Kxe5 b2 38.d6+ Ke8 39.Bd3 Bg1 40.Ke6 Bxh2 41.f6 
Bg1 42.g4 Bd4 43.Bb1 Bc3 44.Ba2 Bb4 45.d7+ Kd8 46.f7 Bf8 47.Kf6 Kxd7 48.
Kg6 Ke7 49.Bb1 Ke6 50.Bc2 Ke7 51.Bf5 Kd6 52.Kh7 h5 53.gxh5 Ke5 54.Kg6 Kf4 
1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "7.5"]
[White "Zambrano, Junior"]
[Black "Ghatti, Sanjay"]
[Result "0-1"]
[WhiteElo "2152"]
[BlackElo "2189"]
[ECO "B11"]
[EventDate "2018.06.19"]
[PlyCount "58"]

1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bh5 5.d4 e6 6.Bd3 dxe4 7.Nxe4 Nd7 8.O-O 
Ngf6 9.Ng3 Bg6 10.Bxg6 hxg6 11.Bg5 Qc7 12.Qe2 Bd6 13.Ne4 Nxe4 14.Qxe4 Nf6 
15.Qe2 O-O-O 16.c4 Bf4 17.Bxf4 Qxf4 18.Rfe1 Rh5 19.Rad1 Rdh8 20.Ne5 Rxh3 
21.gxh3 Rxh3 22.Qc2 Qg5+ 23.Kf1 Qh5 24.Qd3 Rxd3 25.Rxd3 Qh1+ 26.Ke2 Qe4+ 
27.Kf1 Qf4 28.Re2 Qc1+ 29.Kg2 Nh5 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "7.6"]
[White "Avila Pavas, Santiago"]
[Black "Araoz Andrade, Ivan Alexander"]
[Result "1-0"]
[WhiteElo "2278"]
[BlackElo "1868"]
[ECO "A04"]
[EventDate "2018.06.19"]
[PlyCount "71"]

1.Nf3 c5 2.b3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.e3 a6 6.c4 e6 7.Be2 Be7 8.O-O O-O 
9.Nc3 d5 10.cxd5 exd5 11.Bb2 Nc6 12.Rc1 Be6 13.Nxc6 bxc6 14.Na4 Bd7 15.Qd4
Re8 16.Rfd1 Rb8 17.Bxa6 Rb4 18.Qc3 Rh4 19.Bf1 Bb4 20.Qc2 Ng4 21.Rd4 Nxh2 
22.Rxb4 Rxb4 23.Kxh2 Re6 24.Kg1 Rh6 25.Bxg7 Kxg7 26.Qc3+ Qf6 27.Qxb4 Rh4 
28.Qc3 d4 29.exd4 Qh6 30.f3 Rh1+ 31.Kf2 Qh4+ 32.Ke2 Qe7+ 33.Qe3 Qa3 34.Rc2
h6 35.Qe5+ f6 36.Qc5 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "7.7"]
[White "Aspiazu, Marlon"]
[Black "Delgado Romero, Marco"]
[Result "1/2-1/2"]
[WhiteElo "1977"]
[BlackElo "2209"]
[ECO "A29"]
[EventDate "2018.06.19"]
[PlyCount "120"]

1.c4 e5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nb6 6.Nf3 Nc6 7.d3 Be7 8.a3 
Be6 9.Be3 O-O 10.O-O Nd5 11.Nxd5 Bxd5 12.b4 a5 13.b5 Nd4 14.Bxd4 exd4 15.
Qa4 Bc5 16.Rfc1 Bb6 17.Rab1 Re8 18.Rb2 Re7 19.Re1 h5 20.h4 Qd7 21.Ng5 Bxg2
22.Kxg2 Qd5+ 23.Kg1 Rae8 24.Nh3 Qf5 25.Kg2 Re5 26.Ng5 g6 27.Nf3 R5e7 28.
Rc2 Rd8 29.Qc4 Rd5 30.Rb1 Kg7 31.Ng5 Rc5 32.Qb3 Rce5 33.Rbb2 Qg4 34.f3 Qf5
35.Ne4 f6 36.a4 Qd7 37.Qa2 Qe8 38.Kf2 Rf7 39.Qb1 g5 40.Qh1 g4 41.Rd2 gxf3 
42.exf3 Rfe7 43.Qh3 f5 44.Ng5 Kg6 45.f4 Re3 46.Qg2 c6 47.bxc6 bxc6 48.Nf3 
Bc5 49.Ne5+ R7xe5 50.fxe5 Qxe5 51.Qxc6+ Bd6 52.Re2 Qxg3+ 53.Kf1 Kf6 54.Qg2
Qxh4 55.Rf2 Qg4 56.Qxg4 hxg4 57.Rb6 Re6 58.Rb5 Re5 59.Rb6 Rd5 60.Rfb2 Ke5 
1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "7.8"]
[White "Rodriguez Horna, Lorenzo"]
[Black "Jaramillo Arce, David"]
[Result "1/2-1/2"]
[WhiteElo "1939"]
[BlackElo "2100"]
[ECO "A45"]
[EventDate "2018.06.19"]
[PlyCount "104"]

1.d4 Nf6 2.Bg5 Ne4 3.Bf4 c5 4.f3 Nf6 5.dxc5 Qa5+ 6.Qd2 Qxc5 7.Nc3 Nc6 8.e4
d6 9.Be3 Qa5 10.Bc4 Bd7 11.Nge2 g6 12.Nd5 Qxd2+ 13.Bxd2 Nxd5 14.Bxd5 Bg7 
15.O-O-O O-O 16.Kb1 a5 17.Bc3 Rab8 18.Bxg7 Kxg7 19.Bxc6 bxc6 20.e5 d5 21.
c4 Bf5+ 22.Ka1 dxc4 23.Nd4 Bd3 24.Nxc6 Rb6 25.Nd4 a4 26.a3 Rd8 27.Ne2 Rb5 
28.Nc3 Rxe5 29.Rhe1 Rxe1 30.Rxe1 Bc2 31.Re2 Bf5 32.g4 Be6 33.Kb1 Rd3 34.
Rf2 Bd7 35.f4 Bxg4 36.Nxa4 Kf6 37.Nc5 Re3 38.Kc2 Bc8 39.Kd2 Rh3 40.a4 Rh5 
41.Ne4+ Kg7 42.Kc3 Bd7 43.Kb4 Rf5 44.Nc5 Bc6 45.Kxc4 e5 46.b4 e4 47.Kd4 
Rd5+ 48.Ke3 Rh5 49.Nxe4 Bxa4 50.Kd4 Bc6 51.Nc3 Kf6 52.Rb2 Rh4 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "7.9"]
[White "Estrada Lavin, Cristian Alexand"]
[Black "Aguirre Burgos, Flavio Jose"]
[Result "1-0"]
[WhiteElo "2120"]
[BlackElo "1737"]
[ECO "A05"]
[EventDate "2018.06.19"]
[PlyCount "52"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 a5 5.Bg2 O-O 6.O-O d6 7.d4 a4 8.c4 Nbd7 
9.Re1 e5 10.dxe5 Ng4 11.Nbd2 Ngxe5 12.Qc2 Qe7 13.Bc3 Re8 14.Rad1 axb3 15.
axb3 Nc5 16.b4 Na4 17.Ba1 c6 18.Nxe5 dxe5 19.c5 Bf5 20.Qb3 Rec8 21.Qe3 b6 
22.cxb6 Rab8 23.Nc4 Qxb4 24.Nd6 Rd8 25.Nxf5 Rxd1 26.Rxd1 gxf5 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "7.10"]
[White "Mendoza Criollo, Carlos David"]
[Black "Menes Aguirre, Ivan"]
[Result "1-0"]
[WhiteElo "1945"]
[BlackElo "1792"]
[ECO "E39"]
[EventDate "2018.06.19"]
[PlyCount "57"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 b6 8.e3 Bb7
9.Be2 Nc6 10.O-O Rc8 11.Rd1 Qc7 12.b4 Be7 13.Bb2 Qb8 14.Rac1 a5 15.Na4 
axb4 16.Nxb6 Rcd8 17.Bxf6 gxf6 18.Nxd7 Rxd7 19.Rxd7 Bc8 20.Rxe7 Nxe7 21.
Rb1 Bd7 22.axb4 Rc8 23.b5 Qb6 24.Qd2 Qb7 25.Qb4 Be8 26.h3 e5 27.c5 Nd5 28.
Qg4+ Kh8 29.Bd3 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "8.1"]
[White "Vazquez Maccarini, Danitza"]
[Black "Guo, Arthur"]
[Result "1-0"]
[WhiteElo "2242"]
[BlackElo "2165"]
[ECO "B22"]
[EventDate "2018.06.19"]
[PlyCount "83"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 Nc6 6.h3 e6 7.Bd3 Be7 8.O-O 
cxd4 9.cxd4 O-O 10.Nc3 Qd6 11.a3 Rd8 12.Nb5 Qd7 13.Be3 b6 14.Qc2 Bb7 15.
Rad1 Rac8 16.Nc3 g6 17.Qe2 Qc7 18.Rfe1 Qb8 19.Ne4 Nxe4 20.Bxe4 Bf6 21.b4 
Ne7 22.Bg5 Bxg5 23.Nxg5 Nd5 24.Qf3 Rd7 25.Bxd5 Bxd5 26.Ne4 Bxe4 27.Rxe4 
Rcd8 28.Qf6 Qd6 29.Rde1 Rc8 30.g3 Qf8 31.Qf4 Qd8 32.Qe3 Rd5 33.h4 h5 34.
Rd1 Kg7 35.Re5 Rc4 36.Rxd5 Qxd5 37.Rd3 Kh7 38.Qf4 Qb7 39.Rf3 Kg8 40.Qf6 
Qd7 41.Rf4 Qd5 42.Qxf7+ 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "8.2"]
[White "Ghatti, Sanjay"]
[Black "Lu, Maximillian"]
[Result "1-0"]
[WhiteElo "2189"]
[BlackElo "2204"]
[ECO "B90"]
[EventDate "2018.06.19"]
[PlyCount "129"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nf3 Qc7 8.a4 Be6
9.Be2 h6 10.a5 Nbd7 11.O-O Rc8 12.h3 Be7 13.Nd5 Bxd5 14.exd5 Nh7 15.Bd3 
O-O 16.Bf5 Nhf6 17.Nh2 h5 18.Bb6 Qc4 19.b3 Qc3 20.Be3 g6 21.Bd2 Qd4 22.
Bxd7 Nxd7 23.Bh6 Rfe8 24.c4 Qxd1 25.Rfxd1 f5 26.Be3 g5 27.f3 Bf6 28.Ra4 f4
29.Bf2 e4 30.fxe4 Rxe4 31.Nf3 g4 32.hxg4 hxg4 33.Nd2 Re2 34.Kf1 Rce8 35.c5
Bc3 36.Nb1 g3 37.Bxg3 fxg3 38.Nxc3 Rf2+ 39.Kg1 Nxc5 40.Rg4+ Kf7 41.b4 Nd7 
42.Ne4 Nf6 43.Nxd6+ Ke7 44.Rxg3 Kxd6 45.Kxf2 Ne4+ 46.Kf3 Nxg3 47.Kxg3 Re4 
48.Rb1 Kxd5 49.Kh3 Re7 50.g4 Rh7+ 51.Kg3 Ke5 52.Re1+ Kf6 53.Kf4 Rf7 54.g5+
Kg7+ 55.Kg4 Rc7 56.Re4 Rd7 57.Kf5 Rc7 58.Re6 Rd7 59.Ke5 Kg8 60.Rd6 Rc7 61.
Ke6 Rc4 62.Rd8+ Kg7 63.Rd7+ Kg6 64.Rxb7 Kxg5 65.Kd5 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "8.3"]
[White "Reinoso Salas, Daniel"]
[Black "Noboa, Kevin"]
[Result "0-1"]
[WhiteElo "2067"]
[BlackElo "2267"]
[ECO "A40"]
[EventDate "2018.06.19"]
[PlyCount "44"]

1.d4 e6 2.c4 Bb4+ 3.Bd2 Qe7 4.e4 Nc6 5.Nf3 a5 6.Nc3 d6 7.a3 Bxc3 8.Bxc3 
Nf6 9.Bd3 e5 10.d5 Nb8 11.O-O a4 12.Bc2 O-O 13.Re1 Bg4 14.h3 Bxf3 15.Qxf3 
Nbd7 16.Qf5 g6 17.Qg5 Nxd5 18.Qxe7 Nxe7 19.Rad1 Nc6 20.Rd5 Rfb8 21.Bb4 Nb6
22.Rb5 Nd4 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "8.4"]
[White "Cofre Archibold, Nestor"]
[Black "Esmeraldas Huachi, Anderson"]
[Result "1/2-1/2"]
[WhiteElo "2364"]
[BlackElo "1865"]
[ECO "B52"]
[EventDate "2018.06.19"]
[PlyCount "87"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.O-O Ngf6 6.Re1 e6 7.c3 Be7 8.d4
cxd4 9.cxd4 O-O 10.Nc3 Nb6 11.Qd3 a6 12.b3 Rc8 13.Bd2 h6 14.h3 Nfd7 15.a3 
e5 16.Be3 exd4 17.Bxd4 Bf6 18.Rad1 Qc7 19.Rc1 Qb8 20.Qe3 Bxd4 21.Nxd4 Nc5 
22.Nf5 Kh7 23.Rcd1 Rcd8 24.b4 Nca4 25.Qg3 g6 26.Nxa4 Nxa4 27.Nxd6 Nb6 28.
e5 Nc8 29.Ne4 Qc7 30.Rc1 Qe7 31.h4 Nb6 32.h5 Nd5 33.Rc5 Kg7 34.f4 b6 35.
Rc6 Qd7 36.Rc4 Qf5 37.hxg6 fxg6 38.Nd6 Qh5 39.Qd3 Nxf4 40.Rc7+ Kh8 41.Nf7+
Kg8 42.Qe4 Rd1 43.Nxh6+ Kh8 44.Nf7+ 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "8.5"]
[White "Avila Pavas, Santiago"]
[Black "Molina Mendoza, Omar"]
[Result "1-0"]
[WhiteElo "2278"]
[BlackElo "2214"]
[ECO "A48"]
[EventDate "2018.06.19"]
[PlyCount "101"]

1.Nf3 Nf6 2.d4 g6 3.Bg5 Bg7 4.Nbd2 O-O 5.c3 d6 6.e4 c5 7.dxc5 dxc5 8.Bc4 
Nc6 9.Qe2 Qc7 10.O-O h6 11.Bxf6 exf6 12.Bb3 b6 13.Rfe1 Rd8 14.Rad1 Bb7 15.
Bd5 Rd7 16.Nf1 Rad8 17.Ne3 h5 18.Bb3 Ne5 19.Nxe5 Qxe5 20.Rxd7 Rxd7 21.Bd5 
Bxd5 22.exd5 Bh6 23.c4 Re7 24.g3 Bxe3 25.Qxe3 Qxe3 26.Rxe3 Rxe3 27.fxe3 
Kf8 28.Kf2 Ke7 29.Kf3 Kd6 30.Kf4 b5 31.b3 b4 32.e4 Ke7 33.h3 Kd6 34.h4 a6 
35.g4 hxg4 36.Kxg4 Ke5 37.h5 gxh5+ 38.Kxh5 f5 39.exf5 Kxf5 40.Kh4 Ke5 41.
Kg4 f6 42.Kg3 Kf5 43.Kf3 Ke5 44.Kg4 f5+ 45.Kg3 f4+ 46.Kf3 Kd4 47.d6 Kc3 
48.d7 Kb2 49.d8=Q Kxa2 50.Qa5+ Kxb3 51.Qxa6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "8.6"]
[White "Delgado Romero, Marco"]
[Black "Leon Sol, Galo Augusto"]
[Result "1-0"]
[WhiteElo "2209"]
[BlackElo "1450"]
[ECO "E90"]
[EventDate "2018.06.19"]
[PlyCount "87"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.h3 e5 7.d5 Nbd7 8.Be3 a5 9.
g4 b6 10.Be2 Nc5 11.Nd2 Re8 12.h4 Bd7 13.g5 Nh5 14.Bxc5 bxc5 15.Bxh5 gxh5 
16.Qxh5 Rb8 17.Rb1 Qc8 18.Qe2 Bg4 19.f3 Bh5 20.Nf1 f6 21.Ng3 Bf7 22.Nf5 
fxg5 23.hxg5 Bg6 24.Nh4 Bh5 25.Qg2 Bg6 26.Nxg6 hxg6 27.Nb5 Qd7 28.Qh3 Qe7 
29.Ke2 Kf8 30.Rbg1 Kf7 31.b3 Rh8 32.Qg4 a4 33.bxa4 Rxh1 34.Rxh1 Kf8 35.Kd3
Ra8 36.Nc3 Kf7 37.Rb1 Rh8 38.Rb7 Rh5 39.Qe6+ Qxe6 40.dxe6+ Kxe6 41.Rxc7 
Bf8 42.a5 Rh2 43.a6 Bg7 44.a7 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "8.7"]
[White "Rodriguez Horna, Lorenzo"]
[Black "Zambrano, Junior"]
[Result "1/2-1/2"]
[WhiteElo "1939"]
[BlackElo "2152"]
[ECO "A01"]
[EventDate "2018.06.19"]
[PlyCount "96"]

1.b3 e5 2.Bb2 Nc6 3.e3 Nf6 4.Bb5 Bd6 5.Na3 e4 6.Nc4 Be7 7.Bxc6 bxc6 8.d3 
exd3 9.cxd3 Bb4+ 10.Nd2 d5 11.Nf3 a5 12.O-O O-O 13.Qc2 Ra6 14.a3 Bd6 15.e4
Bf4 16.Rfe1 Bg4 17.h3 Bh5 18.Qc3 Re8 19.e5 Nd7 20.e6 Nf6 21.exf7+ Bxf7 22.
Rxe8+ Bxe8 23.Re1 Bd6 24.Nd4 Qd7 25.Ne6 Ra8 26.Nf3 Bg6 27.Ne5 Qxe6 28.Nxg6
d4 29.Qc1 Qxb3 30.Ne7+ Bxe7 31.Rxe7 Qxd3 32.Qg5 Qg6 33.Qxg6 hxg6 34.Bxd4 
Rd8 35.Bxf6 gxf6 36.Rxc7 Rd1+ 37.Kh2 Rc1 38.f3 Rc3 39.Kg3 Rxa3 40.Rxc6 Kf7
41.Ra6 Ra2 42.Kf4 Ra4+ 43.Ke3 g5 44.g4 Ra3+ 45.Kf2 Kg6 46.Kg3 a4 47.h4 
gxh4+ 48.Kxh4 Rxf3 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "8.8"]
[White "Mendoza Criollo, Carlos David"]
[Black "Estrada Lavin, Cristian Alexand"]
[Result "0-1"]
[WhiteElo "1945"]
[BlackElo "2120"]
[ECO "D14"]
[EventDate "2018.06.19"]
[PlyCount "92"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5 7.e3 a6 8.Qb3 
Na5 9.Qa4+ Bd7 10.Qd1 Rc8 11.Ne5 e6 12.Be2 Bb4 13.Rc1 Ne4 14.O-O Bxc3 15.
bxc3 Nxc3 16.Qd2 Nxe2+ 17.Qxe2 O-O 18.Qg4 f6 19.Bh6 Qe7 20.Bxg7 Qxg7 21.
Qxg7+ Kxg7 22.Nxd7 Rfe8 23.Nc5 Kf7 24.Rb1 Rc7 25.Rb6 Ree7 26.Rfb1 h6 27.g4
e5 28.Rd6 exd4 29.exd4 Nc6 30.Nxb7 Nxd4 31.Nd8+ Kg7 32.Rbb6 Re4 33.h3 Rf4 
34.Rxd5 Kg6 35.Rb2 Rc3 36.Kg2 Nf3 37.Rd1 Nh4+ 38.Kh2 Rff3 39.Ne6 Rxh3+ 40.
Kg1 Rc4 41.f4 Rg3+ 42.Kh2 Rxg4 43.Kh3 h5 44.Nf8+ Kg7 45.Ne6+ Kf7 46.Nd8+ 
Kg6 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "8.9"]
[White "Jaramillo Arce, David"]
[Black "Aspiazu, Marlon"]
[Result "1/2-1/2"]
[WhiteElo "2100"]
[BlackElo "1977"]
[ECO "E05"]
[EventDate "2018.06.19"]
[PlyCount "42"]

1.d4 Nf6 2.Nf3 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.c4 dxc4 7.a4 Bd7 8.Na3 
Bxa3 9.Rxa3 Bc6 10.Qc2 Bd5 11.Re1 Be4 12.Qxc4 Nc6 13.b4 a5 14.bxa5 Nxa5 
15.Qb5 c6 16.Qg5 Nc4 17.Ra1 Ra5 18.Qh4 Rh5 19.Qf4 Rf5 20.Qh4 Rh5 21.Qf4 
Rf5 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.23"]
[Round "8.10"]
[White "Araoz Andrade, Ivan Alexander"]
[Black "Alomia Aldaz, Fernando"]
[Result "1-0"]
[WhiteElo "1868"]
[BlackElo "1748"]
[ECO "B01"]
[EventDate "2018.06.19"]
[PlyCount "67"]

1.e4 d5 2.exd5 Qxd5 3.Nf3 Bg4 4.Be2 Nc6 5.O-O O-O-O 6.h3 Bxf3 7.Bxf3 Qd7 
8.c3 e5 9.Re1 Nge7 10.b4 Ng6 11.Qa4 f5 12.Na3 e4 13.Rxe4 Nge5 14.Re3 f4 
15.Bxc6 Nxc6 16.Re4 f3 17.b5 Nb8 18.Qxa7 fxg2 19.Qe3 Bd6 20.Nc4 Qxb5 21.a4
Qh5 22.Nxd6+ Rxd6 23.d4 Rf6 24.Re5 Qf7 25.Re7 Qc4 26.Re8+ Kd7 27.Qe7+ Kc6 
28.Qe4+ Kd7 29.Re7+ Kd8 30.Bg5 Nd7 31.Re1 c6 32.Rxg7 Kc8 33.Bxf6 Rf8 34.
Rxd7 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.24"]
[Round "9.1"]
[White "Ghatti, Sanjay"]
[Black "Vazquez Maccarini, Danitza"]
[Result "1-0"]
[WhiteElo "2189"]
[BlackElo "2242"]
[ECO "C78"]
[EventDate "2018.06.19"]
[PlyCount "149"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 7.d3 O-O 8.Nc3 h6 
9.a4 Rb8 10.axb5 axb5 11.Nd5 d6 12.Be3 Bg4 13.c3 Nxd5 14.Bxd5 Ne7 15.Bb3 
Bb6 16.h3 Be6 17.Bxe6 fxe6 18.Qb3 Qd7 19.Ra6 c5 20.Rd1 Ng6 21.d4 exd4 22.
cxd4 c4 23.Qa3 Kh7 24.Qb4 Rfd8 25.d5 Bxe3 26.fxe3 e5 27.Rda1 Rb7 28.Rc6 
Ra7 29.Ra5 Rxa5 30.Qxa5 Rf8 31.Rc7 Qd8 32.Qa7 Qf6 33.Qb7 b4 34.Qxb4 Nh4 
35.Nxh4 Qxh4 36.Qd2 Qxe4 37.Qe2 Qxd5 38.Rxc4 e4 39.Qc2 Re8 40.Rd4 Qe5 41.
Qc6 Qg3 42.Rxe4 Rf8 43.Qc2 Kh8 44.Qd2 Ra8 45.Rf4 Ra1+ 46.Rf1 Ra8 47.Qd4 
Re8 48.Rf3 Qe5 49.Qxe5 Rxe5 50.b4 Re4 51.b5 Rb4 52.Rf5 Rb2 53.Kf1 Kg8 54.
h4 g6 55.Rd5 Kf7 56.h5 gxh5 57.Rxh5 Kg6 58.Rd5 Kg7 59.Kg1 Kh7 60.Kh2 Rb3 
61.Kg3 Rxe3+ 62.Kf4 Rb3 63.Kf5 Rg3 64.Ke6 Rxg2 65.Kxd6 Kg6 66.b6 Rb2 67.
Kc6 h5 68.b7 h4 69.Rb5 Rc2+ 70.Kb6 h3 71.b8=Q h2 72.Qg3+ Kh6 73.Qg5+ Kh7 
74.Qh5+ Kg7 75.Rg5+ 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.24"]
[Round "9.2"]
[White "Guo, Arthur"]
[Black "Noboa, Kevin"]
[Result "1-0"]
[WhiteElo "2165"]
[BlackElo "2267"]
[ECO "E11"]
[EventDate "2018.06.19"]
[PlyCount "127"]

1.d4 e6 2.c4 Bb4+ 3.Bd2 Qe7 4.g3 Nc6 5.Nf3 Nf6 6.Nc3 Bxc3 7.Bxc3 Ne4 8.Rc1
O-O 9.Bg2 d6 10.d5 Nxc3 11.Rxc3 Nb8 12.O-O e5 13.Nd2 a5 14.c5 Na6 15.cxd6 
cxd6 16.Nc4 Qd8 17.Qb3 Nc5 18.Qb6 Na4 19.Qxd6 Nxc3 20.bxc3 Qxd6 21.Nxd6 
Rd8 22.Nc4 Bg4 23.f3 Bh5 24.Nb6 Ra6 25.Rb1 f5 26.c4 f4 27.Bh3 Be8 28.Bf5 
a4 29.Be4 Ra5 30.Kf2 Kf8 31.Rc1 Rc5 32.Ke1 Rd6 33.Rb1 Rh6 34.Kd2 Ke7 35.
gxf4 exf4 36.Kd3 Rxh2 37.Kd4 Ra5 38.c5 Rxe2 39.Nc8+ Kf6 40.Nd6 Bg6 41.Nxb7
Ra8 42.Bxg6 hxg6 43.c6 Rxa2 44.c7 Rd2+ 45.Kc5 Rc2+ 46.Kb6 a3 47.Ra1 Rb2+ 
48.Kc6 Ra6+ 49.Kc5 Ra7 50.c8=Q Rc2+ 51.Kb6 Rxc8 52.Kxa7 Rc3 53.Kb6 Ke5 54.
d6 Rb3+ 55.Kc6 Rxb7 56.Kxb7 Kxd6 57.Rxa3 Kd5 58.Kc7 g5 59.Kd7 g4 60.fxg4 
Ke4 61.Ke6 f3 62.g5 f2 63.Ra1 Kf4 64.g6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.24"]
[Round "9.3"]
[White "Lu, Maximillian"]
[Black "Avila Pavas, Santiago"]
[Result "0-1"]
[WhiteElo "2204"]
[BlackElo "2278"]
[ECO "E62"]
[EventDate "2018.06.19"]
[PlyCount "70"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d6 6.c4 Nc6 7.Nc3 Bf5 8.Bf4 Ne4
9.Nxe4 Bxe4 10.Be3 e5 11.d5 Ne7 12.Qc1 c6 13.dxc6 bxc6 14.Rd1 Nf5 15.Bd2 
d5 16.Bc3 Qe7 17.cxd5 cxd5 18.Qd2 Rfd8 19.Bb4 Qb7 20.Nh4 Nd4 21.f3 Bc2 22.
Rdc1 Ba4 23.Ba5 Rdc8 24.e3 Ne6 25.b3 Bd7 26.Rd1 Nc5 27.Bf1 g5 28.Ng2 e4 
29.Rac1 exf3 30.Qxd5 fxg2 31.Bxg2 Bc6 32.Qxc5 Bxg2 33.Qxg5 Rxc1 34.Rxc1 
Bh3 35.Rc2 Qf3 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.24"]
[Round "9.4"]
[White "Esmeraldas Huachi, Anderson"]
[Black "Delgado Romero, Marco"]
[Result "0-1"]
[WhiteElo "1865"]
[BlackElo "2209"]
[ECO "A58"]
[EventDate "2018.06.19"]
[PlyCount "44"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 g6 6.Nc3 Bg7 7.g3 d6 8.Bg2 O-O 
9.Rb1 Nxa6 10.e4 c4 11.b4 cxb3 12.axb3 Qa5 13.Bd2 Nb4 14.Nge2 Nd3+ 15.Kf1 
Ng4 16.Qc2 Qb6 17.Be3 Qxe3 18.Nd1 Ndxf2 19.Nxe3 Nxe3+ 20.Kxf2 Nxc2 21.Rbc1
Ra2 22.b4 Nd4 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.24"]
[Round "9.5"]
[White "Estrada Lavin, Cristian Alexand"]
[Black "Cofre Archibold, Nestor"]
[Result "1/2-1/2"]
[WhiteElo "2120"]
[BlackElo "2364"]
[ECO "A53"]
[EventDate "2018.06.19"]
[PlyCount "51"]

1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.dxe5 dxe5 5.Qxd8+ Kxd8 6.Bg5 Bb4 7.O-O-O+ Nd7 
8.Nd5 Be7 9.Nxf6 Bxf6 10.Bxf6+ gxf6 11.g3 Ke7 12.Bg2 c6 13.Nf3 Nc5 14.Nd2 
a5 15.Ne4 Nxe4 16.Bxe4 Be6 17.b3 h5 18.Kb2 h4 19.Bd3 Rh6 20.e4 Bg4 21.Rc1 
Rd8 22.Kc3 Rd4 23.Rhe1 hxg3 24.hxg3 Rh2 25.Rc2 c5 26.a4 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.24"]
[Round "9.6"]
[White "Molina Mendoza, Omar"]
[Black "Reinoso Salas, Daniel"]
[Result "0-1"]
[WhiteElo "2214"]
[BlackElo "2067"]
[ECO "A07"]
[EventDate "2018.06.19"]
[PlyCount "78"]

1.Nf3 d5 2.g3 c6 3.Bg2 Bg4 4.b3 Nd7 5.Bb2 e6 6.O-O Ngf6 7.c4 Bd6 8.d3 O-O 
9.Nbd2 a5 10.a3 Re8 11.Qc2 e5 12.e4 dxe4 13.dxe4 Qb6 14.Rfc1 Bc5 15.Nf1 
Rad8 16.Ne1 Nf8 17.Nd3 Ne6 18.Nxc5 Qxc5 19.b4 axb4 20.axb4 Qxb4 21.Bxe5 
Nd4 22.Bxd4 Rxd4 23.Ne3 Qc5 24.h3 Be6 25.Qb3 Nxe4 26.Bxe4 Rxe4 27.Kg2 Bc8 
28.Qd3 h5 29.Rd1 h4 30.Qd6 Qxd6 31.Rxd6 hxg3 32.Kxg3 f5 33.Ng2 Be6 34.Rb1 
Re7 35.c5 g5 36.Rd8+ Kg7 37.Rb6 f4+ 38.Kh2 Rc4 39.Rb8 Rxc5 0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.24"]
[Round "9.7"]
[White "Zambrano, Junior"]
[Black "Araoz Andrade, Ivan Alexander"]
[Result "1-0"]
[WhiteElo "2152"]
[BlackElo "1868"]
[ECO "A30"]
[EventDate "2018.06.19"]
[PlyCount "87"]

1.Nf3 c5 2.c4 d6 3.g3 g6 4.Bg2 Bg7 5.d4 cxd4 6.Nxd4 Qb6 7.Nb5 Bd7 8.N1c3 
Bxb5 9.Nxb5 Nc6 10.O-O a6 11.Be3 Qd8 12.Nd4 Rc8 13.Qa4 Bxd4 14.Bxd4 e5 15.
Bc3 Ne7 16.Rad1 O-O 17.Bxc6 Nxc6 18.Qa3 Qg5 19.Rxd6 h5 20.f4 Qg4 21.fxe5 
Qxe2 22.Qc5 Ne7 23.Qf2 Qxf2+ 24.Rxf2 Rc7 25.Rfd2 Nf5 26.Rd7 Rxc4 27.Rxb7 
h4 28.Kf2 g5 29.Rdd7 Nh6 30.Kg2 Re4 31.Kf3 Ra4 32.a3 g4+ 33.Kf2 Re4 34.
gxh4 Rf4+ 35.Kg2 Nf5 36.Bd2 Re4 37.Rb4 Nxh4+ 38.Kf2 f5 39.Rbb7 Rc8 40.Rg7+
Kf8 41.Bb4+ Rxb4 42.axb4 Rc2+ 43.Kg3 Nf3 44.e6 1-0

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.24"]
[Round "9.8"]
[White "Quizhpe Martinez, Angel"]
[Black "Jaramillo Arce, David"]
[Result "1/2-1/2"]
[WhiteElo "1566"]
[BlackElo "2100"]
[ECO "B19"]
[EventDate "2018.06.19"]
[PlyCount "74"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.Bd3 
Bxd3 9.Qxd3 Ngf6 10.O-O e6 11.Ne2 Be7 12.Nf4 O-O 13.c4 Re8 14.Re1 c5 15.d5
exd5 16.Nxd5 Nxd5 17.Qxd5 Qc7 18.Qe4 Nf6 19.Qf5 Rad8 20.Bf4 Qd7 21.Qxd7 
Rxd7 22.Rad1 Rxd1 23.Rxd1 Bf8 24.Re1 Rd8 25.Kf1 a6 26.Re3 b5 27.Ra3 bxc4 
28.Rxa6 Nd5 29.Bd2 Rb8 30.Bc3 Nb4 31.Ra4 Nd3 32.Rxc4 Nxb2 33.Bxb2 Rxb2 34.
a4 Ra2 35.Ne5 Bd6 36.Nd3 Kf8 37.Nxc5 Bxc5 1/2-1/2

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.24"]
[Round "9.9"]
[White "Aspiazu, Marlon"]
[Black "Rodriguez Horna, Lorenzo"]
[Result "0-1"]
[WhiteElo "1977"]
[BlackElo "1939"]
[ECO "A87"]
[EventDate "2018.06.19"]
[PlyCount "96"]

1.d4 f5 2.c4 Nf6 3.Nc3 d6 4.Nf3 g6 5.g3 Bg7 6.Bg2 O-O 7.O-O Qe8 8.Nd5 Nxd5
9.cxd5 Nd7 10.Ng5 Nf6 11.Qb3 h6 12.Ne6 Bxe6 13.dxe6 Rb8 14.Be3 c6 15.d5 c5
16.Rae1 g5 17.Bd2 Qg6 18.Qc2 Kh7 19.e4 fxe4 20.Bc3 Kh8 21.b3 Qh5 22.Bxf6 
Bxf6 23.Bxe4 Bd4 24.Bg6 Qf3 25.Bf7 Qf6 26.Kg2 b5 27.f4 g4 28.Rh1 Kg7 29.h3
gxh3+ 30.Rxh3 Rh8 31.Rh5 Ba1 32.Qd1 Bc3 33.Qg4+ Kf8 34.Re2 Qg7 35.Qf5 Bf6 
36.Qd3 Qh7 37.Bg6 Qg7 38.Bf7 Qg4 39.Rc2 Kg7 40.Kf1 c4 41.bxc4 bxc4 42.Rxc4
Rhc8 43.Rxc8 Rxc8 44.Rh2 Rc1+ 45.Kg2 Rc3 46.Qf1 Bd4 47.Rh3 Rc2+ 48.Kh1 Rc1
0-1

[Event "43rd Pan-American U20"]
[Site "Guayaquil ECU"]
[Date "2018.06.24"]
[Round "9.10"]
[White "Alomia Aldaz, Fernando"]
[Black "Mendoza Criollo, Carlos David"]
[Result "1/2-1/2"]
[WhiteElo "1748"]
[BlackElo "1945"]
[ECO "A48"]
[EventDate "2018.06.19"]
[PlyCount "131"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O 5.Be2 d6 6.h3 Nbd7 7.O-O b6 8.Nbd2 
Bb7 9.c3 Ne4 10.Nc4 Qc8 11.a4 a6 12.Qc2 Bc6 13.Rfd1 Qb7 14.Na3 e5 15.Bh2 
Nef6 16.Qb3 Rfe8 17.Nc2 exd4 18.cxd4 b5 19.axb5 axb5 20.Nb4 Be4 21.Rxa8 
Rxa8 22.Ng5 d5 23.Nxe4 dxe4 24.Rc1 Rc8 25.Nc6 Bf8 26.Qxb5 Nb6 27.Be5 Nfd7 
28.Bg4 Qa8 29.Bxd7 Nxd7 30.Ne7+ Bxe7 31.Qxd7 Bf8 32.Rxc7 Qa1+ 33.Kh2 Rxc7 
34.Qxc7 Qxb2 35.Kg3 Qb4 36.Qc6 Qe7 37.Qf6 Qxf6 38.Bxf6 Bd6+ 39.Be5 Bb4 40.
Kf4 Be1 41.Kxe4 Bxf2 42.Bf6 Kf8 43.Bg5 f5+ 44.Ke5 Kg7 45.e4 h6 46.Bd8 Bg3+
47.Kd5 fxe4 48.Kxe4 Kf7 49.Ba5 Ke6 50.Bd2 h5 51.Bf4 Bh4 52.Be5 Bg5 53.d5+ 
Kd7 54.Kf3 Bd8 55.Kf4 Be7 56.g4 hxg4 57.Kxg4 Bd8 58.Bg3 Bf6 59.Bf4 Bd8 60.
Bg5 Bb6 61.Bf6 Kd6 62.Kg5 Kxd5 63.Kxg6 Bf2 64.Kf5 Be1 65.h4 Bxh4 66.Bxh4 
1/2-1/2

