[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.1"]
[White "Caballero Quijano, Mitzy Mishell"]
[Black "Cardoso Cardoso, Jose Gabriel"]
[Result "0-1"]
[WhiteElo "2059"]
[BlackElo "2373"]
[ECO "E03"]
[EventDate "2019.08.01"]
[PlyCount "80"]

1.d4 Nf6 2.Nf3 d5 3.c4 e6 4.g3 dxc4 5.Qa4+ Nbd7 6.Bg2 a6 7.Qxc4 b5 8.Qc2 
Bb7 9.Bd2 c5 10.dxc5 Bxc5 11.Nc3 Rc8 12.a3 O-O 13.O-O a5 14.Qd1 b4 15.Na4 
Be7 16.Be3 Nd5 17.Bd4 Qc7 18.e4 N5f6 19.Nd2 Rfd8 20.Re1 Qc2 21.b3 bxa3 22.
Nc4 Qxd1 23.Rexd1 Bxe4 24.Bxe4 Nxe4 25.Nxa5 Ndf6 26.Nc4 Nd5 27.f3 Nef6 28.
Be5 Nd7 29.Bd6 Bxd6 30.Nxd6 Rb8 31.Rxa3 Ne5 32.Nc4 Nxf3+ 33.Kg2 Ng5 34.h4 
Ne4 35.Kf3 Nef6 36.Nc5 Rdc8 37.Na6 Ra8 38.Rda1 h5 39.Ra5 Ng4 40.R1a3 Rxc4 
0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.2"]
[White "Vivas Zamora, Fabian Ernesto"]
[Black "Davila Blanco, Juan Jose"]
[Result "1/2-1/2"]
[WhiteElo "2348"]
[BlackElo "2052"]
[ECO "C00"]
[EventDate "2019.08.01"]
[PlyCount "95"]

1.e4 e6 2.d4 d5 3.Bd3 c5 4.exd5 exd5 5.Nf3 Bg4 6.O-O c4 7.Re1+ Be7 8.Be2 
Nf6 9.b3 cxb3 10.axb3 O-O 11.Ne5 Bxe2 12.Qxe2 Bd6 13.Bg5 Nc6 14.Nxc6 bxc6 
15.Nc3 Bb4 16.Qf3 Qd6 17.Bxf6 Qxf6 18.Qxf6 gxf6 19.Re3 Rfe8 20.Nd1 Kf8 21.
Kf1 a5 22.Ke2 Re6 23.Kd3 Bd6 24.Rh3 Kg7 25.Ne3 Kg6 26.g4 Re4 27.Nf5 Bf4 
28.Nh4+ Kg7 29.Ng2 Rxd4+ 30.Kxd4 Be5+ 31.Kc5 Bxa1 32.Ne3 a4 33.bxa4 Rxa4 
34.Kxc6 d4 35.Nf5+ Kh8 36.Rb3 h5 37.gxh5 Rc4+ 38.Kd7 Rxc2 39.Rb8+ Kh7 40.
Rf8 d3 41.Rxf7+ Kh8 42.Rf8+ Kh7 43.Rd8 Rxf2 44.Ke6 Rxh2 45.Rd7+ Kh8 46.h6 
Re2+ 47.Kf7 Kh7 48.Ng3 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.3"]
[White "Guerrero Cataldo, Juan Andres"]
[Black "Wang, Annie"]
[Result "0-1"]
[WhiteElo "2035"]
[BlackElo "2321"]
[ECO "A46"]
[EventDate "2019.08.01"]
[PlyCount "70"]

1.d4 e6 2.Nf3 Nf6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7 8.Nbd2 c5 
9.e3 Nc6 10.c4 Rc8 11.Rc1 Ba6 12.Ne5 cxd4 13.exd4 Bb7 14.Re1 Ba8 15.cxd5 
Nxd5 16.Ndc4 b5 17.Nxc6 Rxc6 18.Ne3 Ra6 19.Nxd5 Bxd5 20.Bxd5 Qxd5 21.Re5 
Qd7 22.Ra1 Bf6 23.Rc5 Rd6 24.Rac1 Bxd4 25.Bxd4 Rxd4 26.Qf3 a6 27.Rc7 Qd6 
28.R1c6 Qd8 29.Kg2 Rd3 30.Qe4 Rd2 31.a4 Rd4 32.Qc2 Qd5+ 33.Kh3 g5 34.Rc3 
g4+ 35.Kh4 Qg2 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.4"]
[White "Coro, Lucas"]
[Black "Mollo, Jhoan"]
[Result "1-0"]
[WhiteElo "2320"]
[BlackElo "2023"]
[ECO "B12"]
[EventDate "2019.08.01"]
[PlyCount "83"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nf3 e6 5.Be2 Nd7 6.O-O Ne7 7.Nh4 Bg6 8.Nd2 c5 
9.c3 Nc6 10.Nxg6 hxg6 11.Nf3 Qb6 12.a3 c4 13.Qc2 Be7 14.Be3 O-O 15.h4 Rfb8
16.g3 Qd8 17.Kg2 Nf8 18.Rh1 f6 19.h5 gxh5 20.Rxh5 Kf7 21.exf6 gxf6 22.Rh8 
Ke8 23.Nh4 Kd7 24.Ng6 Qb6 25.Nxe7 Nxe7 26.Rh6 Ng8 27.Rh5 Qc6 28.Re1 Re8 
29.Bf4 Ne7 30.Bg4 Neg6 31.Bc1 Re7 32.Rh6 f5 33.Bh5 Rg7 34.Qd2 Ne7 35.Rf6 
Ng8 36.Rf7+ Rxf7 37.Bxf7 Ne7 38.Qg5 Rd8 39.Qf6 a6 40.Bh6 Qd6 41.Bxf8 Rxf8 
42.Rxe6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.5"]
[White "Castellanos Villela, Alejandro"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[WhiteElo "1985"]
[BlackElo "2309"]
[ECO "B85"]
[EventDate "2019.08.01"]
[PlyCount "87"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.O-O Nf6 8.Be3 
Be7 9.f4 d6 10.Qe1 O-O 11.Qg3 Kh8 12.Rad1 Bd7 13.Bd3 Nb4 14.a3 Nxd3 15.
cxd3 b5 16.Qf3 Rab8 17.g4 b4 18.Nce2 bxa3 19.bxa3 Rb2 20.g5 Ng8 21.Ng3 f6 
22.Qh5 g6 23.Qh4 Qd8 24.Nf3 fxg5 25.Nxg5 Bxg5 26.Qxg5 Qxg5 27.fxg5 Rxf1+ 
28.Nxf1 Rb3 29.d4 Rxa3 30.Bf4 Ra5 31.h4 e5 32.dxe5 dxe5 33.Rxd7 exf4 34.
Nd2 Re5 35.Ra7 Re6 36.Kf2 Ne7 37.Kf3 Nc6 38.Ra8+ Kg7 39.Kxf4 Nb4 40.Nc4 
Re7 41.Ne5 Rc7 42.Ng4 Nd3+ 43.Ke3 Nc5 44.Nh6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.6"]
[White "Varacalli, Francisco"]
[Black "Huanca, Edson"]
[Result "1-0"]
[WhiteElo "2306"]
[BlackElo "1948"]
[ECO "B16"]
[EventDate "2019.08.01"]
[PlyCount "66"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 6.Be2 Bf5 7.Bf3 Nd7 8.
Ne2 Nb6 9.b3 Qd7 10.Ng3 Bg6 11.O-O O-O-O 12.Bb2 Bh6 13.c4 Bf4 14.a4 a6 15.
Re1 Kb8 16.Ne4 h5 17.Qe2 Nc8 18.b4 Qc7 19.h3 Rdg8 20.Kh1 Bf5 21.b5 Rg7 22.
Nc5 axb5 23.axb5 Bg4 24.bxc6 Qxc6 25.Bxc6 Bxe2 26.Bxb7 Bxc4 27.Ra8+ Kc7 
28.Bxc8 Bd5 29.Rxe7+ Kb6 30.Na4+ Kb5 31.Nc3+ Kc4 32.Nxd5 Kxd5 33.Bb7+ Kd6 
1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.8"]
[White "Lu, Maximillian"]
[Black "Ccerhuayo Escobedo, Mels Leopold"]
[Result "1/2-1/2"]
[WhiteElo "2283"]
[BlackElo "1820"]
[ECO "E05"]
[EventDate "2019.08.01"]
[PlyCount "109"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Nc6 5.O-O Be7 6.d4 O-O 7.Ne5 dxc4 8.Nxc6 
bxc6 9.Nc3 Nd5 10.Qa4 Nb6 11.Qxc6 Rb8 12.Bf4 Bd6 13.Qf3 Bb7 14.Qg4 f5 15.
Qg5 Qxg5 16.Bxg5 Bxg2 17.Kxg2 Nd5 18.Rab1 Rb7 19.Rfc1 Rfb8 20.Nd1 Rb4 21.
Bd2 c3 22.Bxc3 Nxc3 23.Rxc3 Rxd4 24.Rc2 g5 25.Ne3 Kg7 26.Nc4 Rb7 27.Rbc1 
Kf6 28.b3 h6 29.Na5 Rb6 30.Nc6 Rd5 31.Nxa7 Ba3 32.e4 Ra5 33.Nc6 Raa6 34.
e5+ Kg7 35.Nb8 Rxb8 36.Rxc7+ Kg6 37.R1c2 Rb5 38.f4 Rd5 39.Kf3 Bb4 40.Rb7 
g4+ 41.Ke2 Rd4 42.Ke3 Re4+ 43.Kd3 Ra5 44.Rd7 Re1 45.Rd4 Rd1+ 46.Kc4 Rxd4+ 
47.Kxd4 Rd5+ 48.Ke3 Rc5 49.Re2 Kf7 50.Kd4 Ke7 51.a3 Bxa3 52.Ra2 Ra5 53.Kc4
Bb4 54.Re2 Ba3 55.b4 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.9"]
[White "Santiago Vilca, Lito Gustavo"]
[Black "Munoz, Francisco Javier"]
[Result "0-1"]
[WhiteElo "1818"]
[BlackElo "2282"]
[ECO "D52"]
[EventDate "2019.08.01"]
[PlyCount "68"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.Nf3 c6 6.e3 Qa5 7.cxd5 Nxd5 8.Qd2 
Bb4 9.Rc1 h6 10.Bh4 Nxc3 11.bxc3 Ba3 12.Rb1 b6 13.Bd3 Ba6 14.O-O O-O 15.e4
Rfe8 16.Rfe1 Bxd3 17.Qxd3 Bf8 18.e5 c5 19.d5 c4 20.Qxc4 Rac8 21.Qb5 Qxb5 
22.Rxb5 Rxc3 23.d6 Rec8 24.h3 Rc1 25.Rb1 Rxb1 26.Rxb1 f6 27.Bg3 Kf7 28.Rb4
Rc5 29.Ra4 a5 30.Rf4 g5 31.Rxf6+ Nxf6 32.exf6 Kxf6 33.d7 Be7 34.Bb8 Rd5 
0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.10"]
[White "Tello Chavez, Isaac Valent"]
[Black "Cari, Nicolas"]
[Result "1-0"]
[WhiteElo "2271"]
[BlackElo "1788"]
[ECO "A34"]
[EventDate "2019.08.01"]
[PlyCount "93"]

1.c4 Nf6 2.Nc3 c5 3.g3 g6 4.Bg2 Bg7 5.e3 O-O 6.Nge2 d6 7.O-O a6 8.b3 Nc6 
9.d4 cxd4 10.exd4 Rb8 11.h3 Bd7 12.Be3 e6 13.Rc1 d5 14.Bf4 Rc8 15.c5 Na7 
16.Qd3 Re8 17.g4 b5 18.a3 Bc6 19.b4 Nd7 20.Qd2 f6 21.Rce1 Kf7 22.Bd6 Bf8 
23.Bg3 f5 24.gxf5 gxf5 25.Nf4 Nf6 26.Nd3 Ne4 27.Ne5+ Kg8 28.Nxe4 dxe4 29.
Kh2 Rc7 30.Rg1 Rg7 31.Bf4 Qh4 32.f3 exf3 33.Bxf3 Bxf3 34.Nxf3 Qh5 35.Qe3 
Nc6 36.d5 Nd8 37.d6 Nc6 38.Ne5 Nxe5 39.Bxe5 Rg6 40.d7 Ra8 41.c6 Bh6 42.Qe2
Qh4 43.Rxg6+ hxg6 44.Bg3 Qd4 45.Qxe6+ Kh7 46.Qe7+ Kg8 47.c7 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.11"]
[White "Ticona Rocabado, Licael Roderick"]
[Black "Huang, Andy"]
[Result "0-1"]
[WhiteElo "1693"]
[BlackElo "2263"]
[ECO "D02"]
[EventDate "2019.08.01"]
[PlyCount "172"]

1.d4 d5 2.Nf3 c6 3.e3 Bg4 4.h3 Bh5 5.Be2 e6 6.O-O Nf6 7.c4 Nbd7 8.Nc3 Bd6 
9.cxd5 exd5 10.Re1 O-O 11.Qc2 Re8 12.Nd2 Bg6 13.Bd3 Nf8 14.b3 Bxd3 15.Qxd3
Ng6 16.Bb2 Qe7 17.e4 dxe4 18.Ncxe4 Bb4 19.Bc3 Bxc3 20.Qxc3 Nd5 21.Qg3 Ngf4
22.Nc4 f5 23.Ned6 Ne2+ 24.Rxe2 Qxe2 25.Nxe8 Rxe8 26.Nd6 f4 27.Qg5 Re7 28.
Nf5 Rd7 29.Nh6+ Kf8 30.Ng4 Qe4 31.Ne5 Re7 32.Nf3 Qd3 33.Qg4 g6 34.h4 Kg7 
35.h5 Qf5 36.Qxf5 gxf5 37.Nh4 Kf6 38.Kf1 Kg5 39.Nf3+ Kxh5 40.Re1 Re4 41.
Rd1 Kg6 42.Ne5+ Kg7 43.Rd3 h6 44.a3 Kf6 45.Nd7+ Kg5 46.Ne5 h5 47.b4 Kf6 
48.Nd7+ Kf7 49.Ne5+ Ke6 50.Nf3 Kf6 51.Ne5 Ke6 52.Nf3 Kd6 53.Ne5 Kc7 54.Rd2
Nb6 55.Rd3 Nd5 56.Rd2 Nc3 57.Rd3 Nb5 58.Nf3 Kd6 59.a4 Nc7 60.Nd2 Re7 61.
Rf3 Ne6 62.g3 Kd5 63.gxf4 Nxd4 64.Rd3 b6 65.Rh3 Rh7 66.Re3 Nc2 67.Re5+ Kd4
68.Rxf5 Kd3 69.Nf3 Ke4 70.Nh4 Nxb4 71.f3+ Kd4 72.Re5 Nd5 73.Re4+ Kc3 74.f5
Rf7 75.Ke2 c5 76.Re5 Kd4 77.Re4+ Kc3 78.Re5 Kc4 79.Ng6 Nb4 80.Ne7 Kb3 81.
Nc8 c4 82.f6 c3 83.Re7 c2 84.Rxf7 c1=Q 85.Re7 Qc4+ 86.Kf2 Qxc8 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.12"]
[White "Pinto, Daniel"]
[Black "Inaicheo Santana, Edward"]
[Result "1-0"]
[WhiteElo "2257"]
[BlackElo "1635"]
[ECO "A07"]
[EventDate "2019.08.01"]
[PlyCount "57"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 Bf5 4.O-O e6 5.b3 Be7 6.Bb2 O-O 7.d3 Nbd7 8.Nh4 
Bg4 9.h3 Bh5 10.f4 c6 11.Nd2 Ne8 12.Nhf3 Nd6 13.e4 Bg6 14.Qe1 dxe4 15.dxe4
Re8 16.Kh2 a5 17.Rd1 a4 18.b4 a3 19.Ba1 Qc7 20.c4 c5 21.e5 Nf5 22.g4 Nh6 
23.b5 Bd3 24.Rg1 Nb6 25.Ng5 Nxc4 26.Nxc4 Bxc4 27.Qe4 Bxb5 28.Qxh7+ Kf8 29.
Qh8+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.13"]
[White "Barja Viveros, Matias Ariel"]
[Black "Santiago Vilca, Christian Amilca"]
[Result "1-0"]
[WhiteElo "1544"]
[BlackElo "2256"]
[ECO "B23"]
[EventDate "2019.08.01"]
[PlyCount "91"]

1.e4 c5 2.Nc3 e6 3.Bc4 Nc6 4.f4 Nf6 5.e5 d5 6.exd6 Bxd6 7.d3 a6 8.a4 O-O 
9.Nge2 Re8 10.O-O Bf8 11.Ne4 Nd5 12.N2c3 Na5 13.Ba2 Nb4 14.Be3 Nxa2 15.
Rxa2 b6 16.Ra1 f5 17.Ng5 h6 18.Nf3 Nc6 19.Qd2 Bb7 20.Rad1 Qf6 21.Qf2 Rad8 
22.d4 cxd4 23.Nxd4 Na5 24.Nb3 Nc4 25.Bxb6 Rxd1 26.Nxd1 Nxb6 27.Qxb6 Re7 
28.Nc3 g5 29.Rd1 Rg7 30.Nc5 Bxc5+ 31.Qxc5 gxf4 32.Rd2 f3 33.g3 f4 34.Qd6 
Qf5 35.Qd8+ Kh7 36.Qd3 fxg3 37.Qxf5+ exf5 38.hxg3 f4 39.g4 h5 40.g5 Kg6 
41.Nd5 Kxg5 42.Kf2 Kg4 43.Rd1 Bxd5 44.Rg1+ Kh3 45.Rxg7 h4 46.b4 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.14"]
[White "Bolanos, Fernando"]
[Black "Araujo, Amilcar"]
[Result "1-0"]
[WhiteElo "2247"]
[BlackElo "1530"]
[ECO "C02"]
[EventDate "2019.08.01"]
[PlyCount "81"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 cxd4 6.cxd4 Bb4+ 7.Nc3 h6 8.Bd3 
Nge7 9.a3 Bxc3+ 10.bxc3 Bd7 11.Bf4 Rc8 12.O-O Na5 13.Rc1 b5 14.Nd2 a6 15.
Qg4 g6 16.Qh3 Nf5 17.g4 Qh4 18.Qxh4 Nxh4 19.Bg3 g5 20.Bxh4 gxh4 21.Kg2 Ke7
22.Kh3 Rcg8 23.Kxh4 Nc4 24.Nxc4 dxc4 25.Be4 f5 26.exf6+ Kxf6 27.f4 Ke7 28.
Rce1 Kd6 29.f5 exf5 30.Bxf5 Rg5 31.Bxd7 Kxd7 32.Rf7+ Kc6 33.Rf6+ Kd5 34.
Rf5+ Rxf5 35.gxf5 Rg8 36.Re5+ Kd6 37.Kh5 Rg2 38.h4 Rg3 39.f6 Rxc3 40.Rf5 
Ke6 41.f7 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.15"]
[White "Bracamonte, Humberto"]
[Black "Johnson, Joshua"]
[Result "0-1"]
[WhiteElo "1516"]
[BlackElo "2241"]
[ECO "C60"]
[EventDate "2019.08.01"]
[PlyCount "58"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 a6 6.Ba4 Nge7 7.d4 exd4 8.cxd4 
d6 9.d5 b5 10.dxc6 bxa4 11.Qxa4 O-O 12.e5 dxe5 13.Be3 Qd6 14.Rc1 Re8 15.
Nbd2 Bf5 16.Nb3 Bd3 17.Na5 e4 18.Nd4 Nd5 19.Nb7 Qf6 20.Rc5 Nxe3 21.fxe3 
Bh6 22.Re1 Bxe3+ 23.Kh1 Bxd4 24.Rcc1 Bf2 25.Red1 Re5 26.Qb4 Rh5 27.h3 
Rxh3+ 28.gxh3 Qf3+ 29.Kh2 Qg3+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.16"]
[White "Delgado Romero, Marco"]
[Black "Tapia Espada, Antonio Enrique"]
[Result "1-0"]
[WhiteElo "2236"]
[BlackElo "1506"]
[ECO "E15"]
[EventDate "2019.08.01"]
[PlyCount "68"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 exd5 7.Nh4 g6 8.Nc3 Bg7 
9.Bf4 O-O 10.O-O Nc6 11.cxd5 Nd4 12.e3 Ba6 13.exd4 Bxf1 14.Qxf1 cxd4 15.
Nb5 Ne8 16.Nf3 Rc8 17.Nxa7 Rc5 18.b4 Rxd5 19.Qc4 Rf5 20.Nxd4 Rxf4 21.gxf4 
Nd6 22.Qd5 Qf6 23.Rd1 Qxf4 24.Ne2 Qxb4 25.Qxd6 Qa4 26.Qxd7 Qxa2 27.Ng3 Bf6
28.Ne4 Bh4 29.Nc6 Qc2 30.Bf3 Qa2 31.Qg4 f5 32.Qxh4 fxe4 33.Rd7 Qb1+ 34.Bd1
h5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.17"]
[White "Teran Medina, Marcelo"]
[Black "Aguilar, Luis Miguel"]
[Result "0-1"]
[WhiteElo "1506"]
[BlackElo "2204"]
[ECO "B07"]
[EventDate "2019.08.01"]
[PlyCount "76"]

1.e4 d6 2.Nc3 Nf6 3.Bc4 e5 4.f4 Nbd7 5.Nf3 Be7 6.O-O O-O 7.Kh1 c6 8.Bb3 
Qc7 9.f5 Nc5 10.Qe1 a5 11.a3 Nxb3 12.cxb3 Qb6 13.d3 Qxb3 14.Qh4 Re8 15.g4 
Nxe4 16.Bg5 Nxg5 17.Nxg5 Bxg5 18.Qxg5 f6 19.Qh4 h6 20.Ne4 Qd5 21.Qh5 Rf8 
22.Rf3 Bd7 23.g5 fxg5 24.f6 Qf7 25.Qxf7+ Rxf7 26.Nxd6 Rxf6 27.Rxf6 gxf6 
28.Ne4 Kg7 29.Nc5 Bf5 30.h4 b6 31.Ne4 Rd8 32.Rf1 Bxe4+ 33.dxe4 Rd2 34.hxg5
hxg5 35.Rc1 c5 36.b4 axb4 37.axb4 cxb4 38.Rc4 Rd4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.18"]
[White "Rengifo Blancas, Renzo Jhonathan"]
[Black "Moreno, Alejandro"]
[Result "1/2-1/2"]
[WhiteElo "2194"]
[BlackElo "1477"]
[ECO "C45"]
[EventDate "2019.08.01"]
[PlyCount "62"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Ne5 5.Nc3 Bb4 6.f4 Ng6 7.Nf3 d6 8.Qd4 
Bxc3+ 9.bxc3 Nf6 10.f5 c5 11.Bb5+ Bd7 12.Qa4 Ne5 13.Nxe5 dxe5 14.Be3 a6 
15.Bxd7+ Qxd7 16.Qxd7+ Kxd7 17.Ke2 Nxe4 18.Kd3 Nd6 19.Bxc5 Nxf5 20.Rhf1 
Ke6 21.Rab1 Rac8 22.Rb6+ Rc6 23.Rxc6+ bxc6 24.Ke4 Nh6 25.Rb1 f5+ 26.Kf3 
Kd5 27.Be7 Re8 28.Rb7 f4 29.Ba3 Nf5 30.Rd7+ Ke6 31.Rc7 Kd5 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.19"]
[White "Zambrana Estrada, Breyner Andre"]
[Black "Vera, Pavel"]
[Result "0-1"]
[WhiteElo "1426"]
[BlackElo "2173"]
[ECO "E24"]
[EventDate "2019.08.01"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 b6 6.Bg5 h6 7.Bh4 g5 8.Bg3 
Nc6 9.d5 Na5 10.dxe6 dxe6 11.Qxd8+ Kxd8 12.Be5 Ke7 13.Bxc7 Ne8 14.Bg3 Ba6 
15.e3 Rc8 16.Nf3 f6 17.h4 g4 18.Nd4 Bxc4 19.Bxc4 Rxc4 20.Rc1 e5 21.Ne2 Nd6
22.Rb1 Ra4 23.f4 gxf3 24.gxf3 Nac4 25.Rb4 Rxa3 26.Kf2 a5 27.Rbb1 a4 28.
Rhd1 Ra8 29.Ra1 Rb3 30.Rdb1 Rxb1 31.Rxb1 a3 32.Nc1 Nf5 33.e4 Nxg3 34.Kxg3 
Rg8+ 35.Kf2 Rd8 36.Rb4 Rd1 37.Nb3 Rb1 38.Na1 Rxa1 39.Rxc4 a2 40.Ra4 Rh1 
41.Rxa2 Rh2+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.20"]
[White "Flores Quillas, Diego Saul Rodri"]
[Black "Villazon Zeballos, Manuel"]
[Result "1-0"]
[WhiteElo "2163"]
[BlackElo "1378"]
[ECO "B38"]
[EventDate "2019.08.01"]
[PlyCount "57"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 d6 7.Nc3 Nf6 8.Be2 
O-O 9.O-O Bd7 10.Qd2 Nxd4 11.Bxd4 Bc6 12.f3 Nd7 13.Be3 Qa5 14.Rfc1 Rfe8 
15.a3 Qc7 16.b4 b6 17.Nd5 Qb7 18.Rab1 Bxd5 19.cxd5 Rac8 20.Bb5 Rxc1+ 21.
Rxc1 Rd8 22.Qc2 Ne5 23.Qc7 Rb8 24.Qxb7 Rxb7 25.Rc8+ Bf8 26.Bh6 Rb8 27.Rxb8
Nxf3+ 28.gxf3 f5 29.Rxf8# 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.21"]
[White "Araujo Miranda, Styven Sandro"]
[Black "Zhang, Derek"]
[Result "0-1"]
[WhiteElo "1347"]
[BlackElo "2147"]
[ECO "A84"]
[EventDate "2019.08.01"]
[PlyCount "56"]

1.d4 e6 2.Nf3 f5 3.c4 Nf6 4.a3 b6 5.g3 d5 6.Qc2 Bd6 7.c5 bxc5 8.dxc5 Be7 
9.b4 O-O 10.Bg2 Ne4 11.Nfd2 Nc6 12.Bb2 Bf6 13.O-O Ba6 14.Nxe4 fxe4 15.Bh3 
Nd4 16.Bxd4 Bxd4 17.Bxe6+ Kh8 18.Nc3 Bxc3 19.Qxc3 Bxe2 20.Rfe1 d4 21.Qd2 
d3 22.Rxe2 dxe2 23.Qxe2 Qf6 24.Qa2 Rae8 25.Bd7 Re7 26.c6 e3 27.f3 e2 28.
Re1 Qxf3 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.22"]
[White "Titichoca Daza, Daniel"]
[Black "Zubieta Echalar, Eduardo"]
[Result "1-0"]
[WhiteElo "2143"]
[BlackElo "1329"]
[ECO "B01"]
[EventDate "2019.08.01"]
[PlyCount "23"]

1.e4 d5 2.exd5 Nf6 3.d4 Nxd5 4.Nf3 Bf5 5.a3 e6 6.c4 Nf6 7.Nc3 Bd6 8.Be2 
O-O 9.Nh4 Re8 10.Nxf5 exf5 11.O-O h6 12.h3 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.23"]
[White "Montevilla C., Elias Alejandro"]
[Black "Benitez Galeano, Alejandro"]
[Result "0-1"]
[WhiteElo "1326"]
[BlackElo "2111"]
[ECO "B24"]
[EventDate "2019.08.01"]
[PlyCount "61"]

1.e4 c5 2.Nc3 g6 3.d3 Nc6 4.g3 Rb8 5.Bg2 Bg7 6.Be3 Nd4 7.Qd2 b5 8.f4 e6 9.
Nf3 Ne7 10.O-O d6 11.Rae1 O-O 12.Nd1 b4 13.c3 Nxf3+ 14.Bxf3 Qa5 15.d4 bxc3
16.bxc3 cxd4 17.Bxd4 e5 18.Be3 Rd8 19.g4 d5 20.Qf2 d4 21.cxd4 exf4 22.Bxf4
Bxd4 23.Be3 Nc6 24.e5 Bxe3 25.Rxe3 Rd7 26.Qg3 Rb4 27.Nf2 Qc5 28.Bg2 Nd4 
29.Rfe1 Rbb7 30.Rc3 Qf8 31.Qh4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.24"]
[White "Mendoza Criollo, Carlos David"]
[Black "Montevilla Cahuasa, Jonathan I"]
[Result "1-0"]
[WhiteElo "2103"]
[BlackElo "1231"]
[ECO "A07"]
[EventDate "2019.08.01"]
[PlyCount "57"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 e6 4.O-O Bd6 5.d3 O-O 6.Nbd2 Nbd7 7.Re1 e5 8.e4 d4
9.Nc4 Qe7 10.Nh4 Nb6 11.Nxd6 Qxd6 12.f4 Bg4 13.Bf3 Bxf3 14.Qxf3 Nbd7 15.
Nf5 Qe6 16.Rf1 c5 17.Bd2 b5 18.Rae1 Qxa2 19.Nxg7 Kxg7 20.fxe5 Qe6 21.exf6+
Nxf6 22.Bg5 Nd7 23.e5 a5 24.Bf6+ Kg8 25.Qf4 Nxf6 26.exf6 Qd5 27.Qg4+ Qg5 
28.Qxg5+ Kh8 29.Qg7# 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.01"]
[Round "1.25"]
[White "Janco Fernandez, Marcelo Ruben"]
[Black "Medrano, Sebastian"]
[Result "0-1"]
[WhiteElo "1095"]
[BlackElo "2086"]
[ECO "B13"]
[EventDate "2019.08.01"]
[PlyCount "72"]

1.e4 c6 2.Nf3 d5 3.exd5 cxd5 4.d4 Nc6 5.Bb5 Bg4 6.Nc3 e6 7.O-O Bd6 8.Re1 
Ne7 9.h3 Bxf3 10.Qxf3 O-O 11.Bf4 Nxd4 12.Qd3 Nxb5 13.Nxb5 Bxf4 14.Rad1 a6 
15.Nd4 Nc6 16.Qb3 Nxd4 17.Rxd4 Qc7 18.g3 Bd6 19.Qd3 Rac8 20.Re2 b5 21.Rh4 
g6 22.Qe3 Rfe8 23.Qh6 f5 24.Qg5 Be7 25.Qh6 Bxh4 26.Qxh4 Qc4 27.Qxc4 Rxc4 
28.Kg2 Kf7 29.Kf3 e5 30.b3 Rc3+ 31.Kg2 Ke6 32.f4 e4 33.Kf2 Rec8 34.g4 Rxc2
35.gxf5+ Kxf5 36.Rxc2 Rxc2+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.1"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Delgado Romero, Marco"]
[Result "1/2-1/2"]
[WhiteElo "2373"]
[BlackElo "2236"]
[ECO "A57"]
[EventDate "2019.08.01"]
[PlyCount "106"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 g6 6.Nc3 d6 7.a4 Bg7 8.Qb3 Nfd7 9.
Nh3 O-O 10.Nf4 axb5 11.Bxb5 Ba6 12.O-O Ne5 13.Bd2 Nbd7 14.Bxa6 Rxa6 15.Nb5
c4 16.Qc2 Nc5 17.Ne2 Qd7 18.Ned4 Rfa8 19.a5 Rb8 20.Na3 Nb3 21.Nxb3 cxb3 
22.Qd1 Nd3 23.Bc3 Nc5 24.Bxg7 Kxg7 25.Qd4+ f6 26.Nc4 Rb4 27.Rfc1 Qb5 28.h4
h5 29.g3 Ra7 30.Qc3 Ne4 31.Qd3 Nc5 32.Qc3 Ne4 33.Qd4 Nc5 34.Rc3 Rc7 35.a6 
Ra7 36.Ra5 Qb8 37.Qd1 Qd8 38.Qa1 Qd7 39.Qa3 Rb5 40.Rxb5 Qxb5 41.Qa5 Qxa6 
42.Qxa6 Rxa6 43.Nd2 Rb6 44.Kf1 Na4 45.Rxb3 Rxb3 46.Nxb3 Nxb2 47.Ke2 f5 48.
Nd4 Nc4 49.Ne6+ Kf6 50.Nf4 Ne5 51.Ne6 Nd7 52.Kd3 Ne5+ 53.Ke2 Nd7 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.2"]
[White "Wang, Annie"]
[Black "Flores Quillas, Diego Saul Rodri"]
[Result "1-0"]
[WhiteElo "2321"]
[BlackElo "2163"]
[ECO "D46"]
[EventDate "2019.08.01"]
[PlyCount "24"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 5.e3 Nbd7 6.Qc2 Bd6 7.Bd3 O-O 8.O-O 
dxc4 9.Bxc4 b5 10.Be2 Bb7 11.Rd1 Qc7 12.Qd2 a6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.3"]
[White "Aguilar, Luis Miguel"]
[Black "Coro, Lucas"]
[Result "1/2-1/2"]
[WhiteElo "2204"]
[BlackElo "2320"]
[ECO "A37"]
[EventDate "2019.08.01"]
[PlyCount "46"]

1.g3 c5 2.Bg2 g6 3.c4 Bg7 4.Nc3 Nc6 5.Nf3 e5 6.a3 a5 7.O-O Nge7 8.d3 O-O 
9.Rb1 d6 10.Nd2 f5 11.Nd5 Be6 12.b3 Rb8 13.Bb2 g5 14.Bc3 f4 15.b4 axb4 16.
axb4 cxb4 17.Nxb4 g4 18.Qa4 Bd7 19.Nxc6 Nxc6 20.Bd5+ Kh8 21.Qa3 Bf5 22.Ne4
f3 23.exf3 gxf3 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.4"]
[White "Vera, Pavel"]
[Black "Varacalli, Francisco"]
[Result "0-1"]
[WhiteElo "2173"]
[BlackElo "2306"]
[ECO "E71"]
[EventDate "2019.08.01"]
[PlyCount "56"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 c6 6.Be3 a6 7.a4 a5 8.Bd3 Na6 9.
Nge2 e5 10.d5 Nd7 11.O-O O-O 12.Bc2 Nb4 13.Bb3 Nc5 14.Bxc5 dxc5 15.Na2 Na6
16.Nec3 f5 17.Bc2 f4 18.dxc6 bxc6 19.Qxd8 Rxd8 20.Rfd1 Be6 21.b3 Kf7 22.
Rxd8 Rxd8 23.Rd1 Rc8 24.Rd3 Ke7 25.Nd1 Bf7 26.Ndc3 Nc7 27.Bd1 h5 28.Nc1 
Bf6 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.5"]
[White "Asaria, Danial"]
[Black "Titichoca Daza, Daniel"]
[Result "1-0"]
[WhiteElo "2305"]
[BlackElo "2143"]
[ECO "E14"]
[EventDate "2019.08.01"]
[PlyCount "61"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 b6 5.e3 Bb7 6.Bd3 O-O 7.O-O d5 8.a3 Be7
9.b4 dxc4 10.Nxc4 Nbd7 11.Rb1 Rb8 12.Re1 c5 13.e4 cxd4 14.Nxd4 Rc8 15.Bb2 
a6 16.e5 Nd5 17.Qh5 g6 18.Qg4 h5 19.Qd1 Nf4 20.g3 Nxd3 21.Qxd3 Bd5 22.Nd2 
b5 23.Qe3 Nb6 24.Rbd1 Kh7 25.Bc1 Kg7 26.Ne4 Rh8 27.Qf4 Nc4 28.h4 Kg8 29.
Kh2 Rc7 30.Nf3 Rd7 31.Nfg5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.6"]
[White "Munoz, Francisco Javier"]
[Black "Mendoza Criollo, Carlos David"]
[Result "1/2-1/2"]
[WhiteElo "2282"]
[BlackElo "2103"]
[ECO "B22"]
[EventDate "2019.08.01"]
[PlyCount "69"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 g6 6.Na3 Bg7 7.Bc4 Qe4+ 8.Be3 
O-O 9.O-O cxd4 10.Bxd4 Nc6 11.Re1 Qf4 12.Be5 Nxe5 13.Rxe5 Ng4 14.Rxe7 Ne5 
15.Bd5 Bg4 16.Qc1 Nxf3+ 17.Bxf3 Qd6 18.Re3 Be6 19.Re1 Qb6 20.Nc2 Rac8 21.
Ne3 Rfd8 22.Bg4 f5 23.Bf3 Rc7 24.Rd1 Rcd7 25.Qc2 a5 26.h3 Qb5 27.Be2 Qc5 
28.a4 Bh6 29.Bb5 Rxd1+ 30.Rxd1 Rxd1+ 31.Nxd1 Qe5 32.Qd3 Bd5 33.Ne3 Bxe3 
34.Qxe3 Qxe3 35.fxe3 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.7"]
[White "Zhang, Derek"]
[Black "Tello Chavez, Isaac Valent"]
[Result "1-0"]
[WhiteElo "2147"]
[BlackElo "2271"]
[ECO "A11"]
[EventDate "2019.08.01"]
[PlyCount "91"]

1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 e6 5.b3 Be7 6.Bb2 Nbd7 7.Qc2 O-O 8.Be2 Re8
9.Rg1 Nc5 10.d3 b5 11.d4 b4 12.Nb1 Ncd7 13.Nbd2 c5 14.g4 Bb7 15.Bd3 cxd4 
16.exd4 dxc4 17.bxc4 Nf8 18.g5 Nh5 19.Rg4 Ng6 20.O-O-O Nhf4 21.Be4 Ne2+ 
22.Kb1 Nc3+ 23.Bxc3 bxc3 24.Bxb7 Rb8 25.Qxc3 Rxb7+ 26.Ka1 Bb4 27.Qc2 Qa5 
28.Nb1 Reb8 29.Re4 Qf5 30.Ng1 Ba5 31.f3 Qxg5 32.Nc3 Bb4 33.Na4 Qa5 34.Ne2 
Ba3 35.Nec3 a6 36.d5 exd5 37.Nxd5 h6 38.f4 Nf8 39.Re5 Qxa4 40.Qxa4 Bb2+ 
41.Kb1 Bxe5+ 42.Kc2 Rb2+ 43.Kd3 Ne6 44.Ke3 Bd6 45.Rd2 Bc5+ 46.Kd3 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.8"]
[White "Huang, Andy"]
[Black "Castellanos Villela, Alejandro"]
[Result "1-0"]
[WhiteElo "2263"]
[BlackElo "1985"]
[ECO "B51"]
[EventDate "2019.08.01"]
[PlyCount "65"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.c4 Nf6 5.Nc3 g6 6.O-O Bg7 7.d4 cxd4 8.Nxd4 
O-O 9.Ba4 Nb6 10.Bb3 Nfd7 11.f4 Nc5 12.Be3 a5 13.Qe2 Nbd7 14.Bc2 Nf6 15.h3
Nh5 16.Qd2 f5 17.exf5 gxf5 18.Rad1 Qe8 19.Nd5 Qf7 20.Nb6 Rb8 21.Nxc8 Rbxc8
22.Nxf5 b6 23.Bd4 Nf6 24.Rde1 Rfe8 25.b3 Nfe4 26.Rxe4 Qxf5 27.Rxe7 Bxd4+ 
28.Qxd4 Ne6 29.Rg7+ Kh8 30.Rxh7+ Kxh7 31.Bxf5+ Kg8 32.Bxe6+ Rxe6 33.Qd5 
1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.9"]
[White "Benitez Galeano, Alejandro"]
[Black "Pinto, Daniel"]
[Result "0-1"]
[WhiteElo "2111"]
[BlackElo "2257"]
[ECO "A13"]
[EventDate "2019.08.01"]
[PlyCount "68"]

1.Nf3 Nf6 2.c4 e6 3.b3 Be7 4.Bb2 O-O 5.Nc3 d5 6.e3 c5 7.cxd5 Nxd5 8.Qc2 b6
9.h4 h6 10.a3 Bb7 11.Be2 Nd7 12.g4 Nxc3 13.Bxc3 g6 14.g5 h5 15.Rg1 Qc7 16.
Bb2 Kh7 17.O-O-O Rac8 18.Kb1 b5 19.Ne1 c4 20.b4 a5 21.Bxh5 axb4 22.Bxg6+ 
fxg6 23.h5 Rf5 24.hxg6+ Kxg6 25.axb4 Ne5 26.Ng2 Bxg2 27.Rxg2 Nd3 28.f4 
Nxb2 29.Kxb2 Bxb4 30.Qe4 Qc6 31.Qxc6 Rxc6 32.Rh1 Bf8 33.Kc2 b4 34.Rb1 b3+ 
0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.10"]
[White "Medrano, Sebastian"]
[Black "Bolanos, Fernando"]
[Result "0-1"]
[WhiteElo "2086"]
[BlackElo "2247"]
[ECO "D85"]
[EventDate "2019.08.01"]
[PlyCount "69"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.Bd2 Bg7 6.e4 Nxc3 7.Bxc3 O-O 8.Qd2
Nd7 9.Nf3 e6 10.Be2 b6 11.O-O Bb7 12.Qc2 Qe7 13.Rad1 Rfd8 14.Rfe1 Nf6 15.
Bc4 Qf8 16.Nd2 c5 17.d5 exd5 18.Bxf6 Bxf6 19.exd5 Qg7 20.Ne4 Bd4 21.Nc3 
Qf6 22.Kf1 h5 23.Re2 Kg7 24.h3 Re8 25.Rde1 Rxe2 26.Rxe2 Rd8 27.Qd3 Qg5 28.
Qd2 Qxd2 29.Rxd2 Kf6 30.Ke1 Ke5 31.Re2+ Kf6 32.Kd2 Rd7 33.g3 Re7 34.Ke1 
Rd7 35.Kd2 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.11"]
[White "Johnson, Joshua"]
[Black "Barja Viveros, Matias Ariel"]
[Result "1-0"]
[WhiteElo "2241"]
[BlackElo "1544"]
[ECO "B34"]
[EventDate "2019.08.01"]
[PlyCount "97"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 d6 7.f3 Bd7 8.Qd2 h5
9.O-O-O Nf6 10.Kb1 Ne5 11.h3 Rc8 12.f4 Nc6 13.Be2 Qa5 14.Nb3 Qc7 15.Nd5 
Nxd5 16.exd5 Nb4 17.Rc1 Na6 18.Bd4 f6 19.g4 hxg4 20.Bxg4 Nc5 21.Qe2 Kf7 
22.Bxc5 Bxg4 23.Qxg4 f5 24.Qe2 dxc5 25.Qe6+ Kf8 26.Qxg6 Rh6 27.Qxf5+ Rf6 
28.Qg4 Rd8 29.Rcd1 Rdd6 30.c3 Rg6 31.Qe2 Rdf6 32.Qe5 Rd6 33.Qe4 Rdf6 34.
Rhe1 Rg3 35.Nxc5 Kf7 36.Ne6 Qd6 37.Ng5+ Kg8 38.Qh7+ Kf8 39.Ne6+ Kf7 40.
Qh5+ Kg8 41.Rg1 Rfg6 42.Qxg6 Rxg6 43.Rxg6 Kf7 44.Rxg7+ Kf6 45.Rg5 Qa6 46.
Nd4 Qc4 47.Rf5+ Kg6 48.Rg1+ Kh6 49.Rgg5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.12"]
[White "Ccerhuayo Escobedo, Mels Leopold"]
[Black "Vivas Zamora, Fabian Ernesto"]
[Result "0-1"]
[WhiteElo "1820"]
[BlackElo "2348"]
[ECO "D70"]
[EventDate "2019.08.01"]
[PlyCount "44"]

1.d4 Nf6 2.c4 g6 3.f3 d5 4.cxd5 Nxd5 5.e4 Nb6 6.Nc3 Bg7 7.Be3 O-O 8.Qd2 
Nc6 9.Rd1 f5 10.d5 Ne5 11.Bxb6 axb6 12.f4 Bh6 13.Qd4 Bxf4 14.exf5 Rxf5 15.
Nge2 Bh6 16.Ng3 Ng4 17.Nxf5 Bxf5 18.d6 Ne3 19.Bc4+ e6 20.Kf2 c5 21.Bxe6+ 
Bxe6 22.Qe4 Qf6+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.13"]
[White "Moreno, Alejandro"]
[Black "Lu, Maximillian"]
[Result "0-1"]
[WhiteElo "1477"]
[BlackElo "2283"]
[ECO "B28"]
[EventDate "2019.08.01"]
[PlyCount "64"]

1.e4 c5 2.Nf3 a6 3.g3 d6 4.Bg2 Bg4 5.d3 Nc6 6.Be3 g6 7.Qd2 Bg7 8.Nc3 Nd4 
9.Bxd4 cxd4 10.Ne2 Qb6 11.b3 Bh6 12.Qd1 Qa5+ 13.Nd2 Rc8 14.f4 e5 15.Rf1 
exf4 16.gxf4 Bxe2 17.Qxe2 Rxc2 18.Qd1 Qc3 19.Ke2 Nf6 20.Rc1 Rxc1 21.Qxc1 
Nh5 22.Nc4 Nxf4+ 23.Kd1 Qxc1+ 24.Kxc1 Nxg2+ 25.Kb2 Ke7 26.Nb6 Nf4 27.Rxf4 
Bxf4 28.Nd5+ Ke6 29.Nxf4+ Ke5 30.Ne2 d5 31.exd5 Kxd5 32.b4 Re8 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.14"]
[White "Davila Blanco, Juan Jose"]
[Black "Rengifo Blancas, Renzo Jhonathan"]
[Result "1/2-1/2"]
[WhiteElo "2052"]
[BlackElo "2194"]
[ECO "A46"]
[EventDate "2019.08.01"]
[PlyCount "47"]

1.d4 Nf6 2.Nf3 e6 3.e3 c5 4.Bd3 Nc6 5.O-O d5 6.b3 cxd4 7.exd4 Bd6 8.Bb2 
O-O 9.a3 b6 10.Nbd2 Bb7 11.Ne5 Ne7 12.Qf3 Rc8 13.Rae1 Rc7 14.Rc1 Ng6 15.
Rfe1 Qc8 16.Nxg6 hxg6 17.Qe2 Qd8 18.f3 Qe7 19.Qf2 Nh5 20.g3 Ba8 21.Ra1 g5 
22.Kh1 Nxg3+ 23.hxg3 Bxg3 24.Qe2 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.15"]
[White "Inaicheo Santana, Edward"]
[Black "Acosta, Pablo Ismael"]
[Result "0-1"]
[WhiteElo "1635"]
[BlackElo "2440"]
[ECO "A47"]
[EventDate "2019.08.01"]
[PlyCount "68"]

1.d4 Nf6 2.Nf3 e6 3.Bf4 b6 4.e3 Bb7 5.Be2 g6 6.h3 Bg7 7.c4 O-O 8.Nc3 d6 9.
O-O Nbd7 10.Rc1 Qe7 11.Bh2 a6 12.a3 Rad8 13.Qc2 e5 14.dxe5 dxe5 15.Rfd1 c6
16.Rd2 Ne8 17.Rcd1 Nc7 18.Ne4 c5 19.Rd6 Ne6 20.Nc3 Nd4 21.R6xd4 exd4 22.
exd4 cxd4 23.Nxd4 Nc5 24.Nd5 Bxd5 25.cxd5 Rxd5 26.Nf3 Rxd1+ 27.Qxd1 Re8 
28.Bc4 Rd8 29.Qc2 Qe4 30.Bxf7+ Kf8 31.Bb3 Qxc2 32.Bxc2 Bxb2 33.Bc7 Rc8 34.
Bxb6 Nd7 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.16"]
[White "Donoso Diaz, Sebastian"]
[Black "Bracamonte, Humberto"]
[Result "1-0"]
[WhiteElo "2309"]
[BlackElo "1516"]
[ECO "A13"]
[EventDate "2019.08.01"]
[PlyCount "56"]

1.c4 Nf6 2.Nf3 e6 3.e3 a5 4.a3 Be7 5.b3 O-O 6.Bb2 d6 7.d4 Re8 8.h3 Bf8 9.
Bd3 Nbd7 10.O-O g6 11.Bc2 Bg7 12.e4 e5 13.d5 Nc5 14.Nc3 Qe7 15.Ne1 Nh5 16.
b4 Nd7 17.Rb1 Nf4 18.Ne2 Nf6 19.Nxf4 exf4 20.Nf3 axb4 21.axb4 Bd7 22.e5 
dxe5 23.Bxe5 Nh5 24.Bxc7 Rac8 25.Re1 Qf6 26.Be5 Qa6 27.c5 Bb5 28.Ra1 Ba4 
1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.17"]
[White "Santiago Vilca, Christian Amilca"]
[Black "Teran Medina, Marcelo"]
[Result "1-0"]
[WhiteElo "2256"]
[BlackElo "1506"]
[ECO "A57"]
[EventDate "2019.08.01"]
[PlyCount "30"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.a4 bxc4 5.f3 e6 6.e4 Bb7 7.Nc3 d6 8.Bxc4 exd5 
9.exd5 Nbd7 10.Nge2 g6 11.O-O Bg7 12.Bf4 Ne5 13.Bb5+ Nfd7 14.Ne4 Qc7 15.b4
O-O 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.18"]
[White "Araujo, Amilcar"]
[Black "Caballero Quijano, Mitzy Mishell"]
[Result "0-1"]
[WhiteElo "1530"]
[BlackElo "2059"]
[ECO "A85"]
[EventDate "2019.08.01"]
[PlyCount "58"]

1.d4 e6 2.c4 f5 3.Nc3 Nf6 4.Bg5 h6 5.Bxf6 Qxf6 6.e4 fxe4 7.Nxe4 Bb4+ 8.Nc3
O-O 9.Nf3 b6 10.Be2 Bb7 11.O-O Bxc3 12.bxc3 d6 13.h3 Nd7 14.Nh2 e5 15.f3 
Qf4 16.Rc1 Nf6 17.d5 Qe3+ 18.Rf2 Ne4 19.Ng4 Nxf2 20.Nxe3 Nxd1 21.Rxd1 Rae8
22.Bd3 Rf4 23.Be4 Ref8 24.Re1 h5 25.g3 R4f6 26.h4 Bc8 27.Nd1 Bf5 28.Bxf5 
Rxf5 29.Kg2 g5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.19"]
[White "Tapia Espada, Antonio Enrique"]
[Black "Guerrero Cataldo, Juan Andres"]
[Result "0-1"]
[WhiteElo "1506"]
[BlackElo "2035"]
[ECO "A60"]
[EventDate "2019.08.01"]
[PlyCount "56"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 d6 5.e4 exd5 6.exd5 Be7 7.Bd3 O-O 8.Nf3 Bg4
9.Qc2 Na6 10.a3 Nc7 11.Bg5 Nfxd5 12.Bxh7+ Kh8 13.Nxd5 Nxd5 14.h4 Nf6 15.
Bf5 Bxf5 16.Qxf5 Qc8 17.Qxc8 Raxc8 18.O-O-O Rfe8 19.Bxf6 Bxf6 20.Rxd6 Re2 
21.Rd7 Rce8 22.Rhd1 a6 23.a4 R2e4 24.b3 b5 25.axb5 axb5 26.cxb5 Rb4 27.Kc2
Ra8 28.Rb1 Rxb5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.20"]
[White "Mollo, Jhoan"]
[Black "Zambrana Estrada, Breyner Andre"]
[Result "1/2-1/2"]
[WhiteElo "2023"]
[BlackElo "1426"]
[ECO "C41"]
[EventDate "2019.08.01"]
[PlyCount "27"]

1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 Nf6 5.f3 a6 6.c4 Nc6 7.Nc3 Nxd4 8.Qxd4 
c5 9.Qf2 Be7 10.Be3 Be6 11.Bd3 O-O 12.O-O Nh5 13.Nd5 Bxd5 14.cxd5 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.21"]
[White "Huanca, Edson"]
[Black "Araujo Miranda, Styven Sandro"]
[Result "1/2-1/2"]
[WhiteElo "1948"]
[BlackElo "1347"]
[ECO "B23"]
[EventDate "2019.08.01"]
[PlyCount "68"]

1.e4 c5 2.Nc3 d6 3.Nge2 Nc6 4.g3 g6 5.Bg2 Bg7 6.O-O e6 7.d3 Nge7 8.f4 O-O 
9.h3 f5 10.Be3 Rb8 11.Qd2 b5 12.g4 b4 13.Nd1 Qc7 14.Ng3 Bb7 15.Kh2 a5 16.
Rb1 Nd4 17.Nf2 d5 18.e5 Nb5 19.Qe2 d4 20.Bd2 Bxg2 21.Kxg2 Qc6+ 22.Kh2 Nc7 
23.h4 Ncd5 24.h5 Bh6 25.Nh3 Kh8 26.g5 Bg7 27.h6 Bxh6 28.gxh6 Ng8 29.Rh1 
Nxh6 30.Kg1 Ng8 31.Ng5 h6 32.N5e4 Kg7 33.Nf6 Ngxf6 34.exf6+ Rxf6 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.22"]
[White "Villazon Zeballos, Manuel"]
[Black "Torrico, Alexis"]
[Result "0-1"]
[WhiteElo "1378"]
[BlackElo "1847"]
[ECO "A41"]
[EventDate "2019.08.01"]
[PlyCount "49"]

1.d4 d6 2.e3 Nf6 3.Bd3 g6 4.Nf3 Bg7 5.O-O O-O 6.Nbd2 Re8 7.c3 e5 8.Qc2 Nc6
9.Ne4 Nxe4 10.Bxe4 d5 11.Bxd5 Qxd5 12.e4 Qc4 13.d5 Nd4 14.Qd1 Nxf3+ 15.
Qxf3 f5 16.Re1 fxe4 17.Qxe4 Qxe4 18.Rxe4 Bf5 19.Re2 Rad8 20.c4 Bd3 21.Re1 
Bxc4 22.Bg5 Rxd5 23.Rec1 b5 24.b3 e4 25.bxc4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.23"]
[White "Zubieta Echalar, Eduardo"]
[Black "Santiago Vilca, Lito Gustavo"]
[Result "0-1"]
[WhiteElo "1329"]
[BlackElo "1818"]
[ECO "B41"]
[EventDate "2019.08.01"]
[PlyCount "40"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Qc7 7.Be2 d6 8.O-O Be7
9.f4 Nbd7 10.Kh1 b6 11.Be3 Bb7 12.Qc2 O-O 13.b4 Rfe8 14.Nb3 d5 15.e5 dxc4 
16.Nd4 Nd5 17.Nxd5 Bxd5 18.a3 b5 19.Rab1 Nb6 20.Nf3 Qb7 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.24"]
[White "Cari, Nicolas"]
[Black "Janco Fernandez, Marcelo Ruben"]
[Result "1-0"]
[WhiteElo "1788"]
[BlackElo "1095"]
[ECO "A43"]
[EventDate "2019.08.01"]
[PlyCount "19"]

1.d4 f5 2.c4 c5 3.d5 Nf6 4.Nc3 Qa5 5.Bd2 Nc6 6.dxc6 dxc6 7.Nd5 Qd8 8.Nxf6+
gxf6 9.e3 e5 10.Qa4 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "2.25"]
[White "Montevilla Cahuasa, Jonathan I"]
[Black "Ticona Rocabado, Licael Roderick"]
[Result "0-1"]
[WhiteElo "1231"]
[BlackElo "1693"]
[ECO "E68"]
[EventDate "2019.08.01"]
[PlyCount "90"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 O-O 5.e4 d6 6.g3 Nbd7 7.Bg2 e5 8.O-O exd4
9.Nxd4 Re8 10.Re1 Nc5 11.b4 Ne6 12.Nde2 Nf8 13.Rb1 Be6 14.c5 Bc4 15.cxd6 
cxd6 16.Bf4 Re6 17.Nd4 Re7 18.Ndb5 Rd7 19.Qa4 Ne8 20.Nd5 Ne6 21.Be3 N6c7 
22.Ndxc7 Nxc7 23.Nxa7 Ne6 24.Qc2 b5 25.e5 d5 26.Nc6 Qc7 27.Na5 Ra6 28.f4 
Qc8 29.Bh3 Rc7 30.Rbc1 Qe8 31.Bxe6 fxe6 32.Bd4 Bf8 33.a3 Ra8 34.Bb6 Qc8 
35.Bxc7 Qxc7 36.Qf2 Rxa5 37.bxa5 Bc5 38.Re3 Qa7 39.Rce1 d4 40.Re4 d3 41.
R1e3 Bd5 42.Qf3 d2 43.Kf1 Bxe3 44.Ke2 Bb3 45.Rd4 Qxd4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.1"]
[White "Pinto, Daniel"]
[Black "Wang, Annie"]
[Result "0-1"]
[WhiteElo "2257"]
[BlackElo "2321"]
[ECO "A08"]
[EventDate "2019.08.01"]
[PlyCount "78"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nf6 4.O-O g6 5.c4 d4 6.e3 Nc6 7.exd4 cxd4 8.d3 Bg7 
9.Na3 O-O 10.Nc2 a5 11.Re1 Nd7 12.b3 Nc5 13.Ba3 Qb6 14.Ng5 Bf5 15.Bxc5 
Qxc5 16.Ne4 Qb6 17.a3 Ne5 18.Rb1 Bg4 19.f3 Bd7 20.Nf2 Bc6 21.f4 Bxg2 22.
Kxg2 Qc6+ 23.Ne4 Nd7 24.Qf3 e5 25.b4 f5 26.Nd2 axb4 27.Qxc6 bxc6 28.Nxb4 
Rxa3 29.Nf3 exf4 30.gxf4 Nc5 31.Nxc6 Nxd3 32.Re7 Bf6 33.Rd7 Nxf4+ 34.Kg3 
Ne6 35.Ne7+ Bxe7 36.Rxe7 Ng5 37.Kf4 Nxf3 38.Rbb7 g5+ 39.Kg3 Ne5+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.2"]
[White "Varacalli, Francisco"]
[Black "Johnson, Joshua"]
[Result "1/2-1/2"]
[WhiteElo "2306"]
[BlackElo "2241"]
[ECO "B70"]
[EventDate "2019.08.01"]
[PlyCount "36"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.h3 Bg7 7.Bc4 O-O 8.Be3 a6
9.Bb3 Nbd7 10.O-O Nc5 11.f3 Qc7 12.Qd2 Re8 13.Bg5 Be6 14.Rad1 Rac8 15.Bh6 
Bh8 16.Nxe6 fxe6 17.f4 Nxb3 18.axb3 b5 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.3"]
[White "Bolanos, Fernando"]
[Black "Asaria, Danial"]
[Result "0-1"]
[WhiteElo "2247"]
[BlackElo "2305"]
[ECO "B92"]
[EventDate "2019.08.01"]
[PlyCount "96"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.f4 b5 10.Bf3 Bb7 11.Qe1 Nbd7 12.a3 Rc8 13.Kh1 Re8 14.Qg3 Bf8 15.fxe5
dxe5 16.Bg5 Qb6 17.Rf2 Rxc3 18.bxc3 Nxe4 19.Bxe4 Bxe4 20.a4 bxa4 21.Rxa4 
Bxc2 22.Rxc2 Qxb3 23.Raa2 Nc5 24.Be3 Qb1+ 25.Bc1 Rd8 26.h3 Rd1+ 27.Kh2 
Rxc1 28.Rxc1 Qxc1 29.Qxe5 Qh6 30.g3 Qg6 31.Rd2 h6 32.Rd8 Ne6 33.Ra8 Qc2+ 
34.Kh1 Qb1+ 35.Kh2 Qb2+ 36.Kg1 Qb6+ 37.Kf1 Qb7 38.Re8 Qc6 39.Rb8 Qh1+ 40.
Kf2 Qxh3 41.c4 Qh2+ 42.Kf1 Qc2 43.Qd5 Kh7 44.Rxf8 Nxf8 45.Qxf7 Qd1+ 46.Kf2
Qd4+ 47.Kf3 Qf6+ 48.Qxf6 gxf6 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.4"]
[White "Zhang, Derek"]
[Black "Huang, Andy"]
[Result "1-0"]
[WhiteElo "2147"]
[BlackElo "2263"]
[ECO "A11"]
[EventDate "2019.08.01"]
[PlyCount "69"]

1.Nf3 d5 2.c4 c6 3.e3 Nf6 4.Nc3 e6 5.b3 Bd6 6.Bb2 O-O 7.Qc2 e5 8.cxd5 cxd5
9.Nb5 Nc6 10.Nxd6 Qxd6 11.Bb5 e4 12.Nd4 Bd7 13.Nxc6 Rfc8 14.Bc3 bxc6 15.
Ba6 Rd8 16.Qb2 c5 17.Be2 a5 18.Rc1 a4 19.O-O Bf5 20.Be5 Qb6 21.f3 Ne8 22.
fxe4 Bxe4 23.Bh5 f6 24.Bg3 c4 25.b4 a3 26.Qc3 Ra4 27.Bd1 Rxb4 28.Qxa3 Nd6 
29.Qc3 Bd3 30.Bxd6 Rxd6 31.Rf4 Rb1 32.Rd4 Qb2 33.Qxb2 Rxb2 34.Bf3 Rxa2 35.
Rxd5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.5"]
[White "Mendoza Criollo, Carlos David"]
[Black "Cardoso Cardoso, Jose Gabriel"]
[Result "0-1"]
[WhiteElo "2103"]
[BlackElo "2373"]
[ECO "E36"]
[EventDate "2019.08.01"]
[PlyCount "66"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3+ 6.Qxc3 d5 7.cxd5 Ne4 8.Qc2
exd5 9.e3 Bf5 10.Qe2 c5 11.f3 Nf6 12.dxc5 Re8 13.g4 Bg6 14.Nh3 d4 15.Nf4 
Nc6 16.Nxg6 dxe3 17.Qc4 hxg6 18.Be2 Ne5 19.Qc2 Nfxg4 20.O-O Nf2 21.Bxe3 
Nh3+ 22.Kg2 Nc6 23.Qc3 Ne7 24.Bc4 Nf5 25.Bd2 Qh4 26.Bb5 Re7 27.Qc4 Nd4 28.
Rae1 Rxe1 29.Bxe1 Nf4+ 30.Kh1 Qh3 31.Rf2 Nde2 32.Qc2 Ng3+ 33.Kg1 Qg2+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.6"]
[White "Vivas Zamora, Fabian Ernesto"]
[Black "Munoz, Francisco Javier"]
[Result "0-1"]
[WhiteElo "2348"]
[BlackElo "2282"]
[ECO "B01"]
[EventDate "2019.08.01"]
[PlyCount "70"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.a3 Bg4 6.f3 Bd7 7.b4 Qb6 8.Be3 a5
9.b5 a4 10.Bc4 Be6 11.Qd3 Bxc4 12.Qxc4 c6 13.Kf2 e6 14.Nge2 Nd5 15.Rhb1 
Nxe3 16.Kxe3 Qa7 17.bxc6 Nxc6 18.Rb5 e5 19.Nd5 exd4+ 20.Nxd4 Bd6 21.Nb6 
O-O 22.Nxa8 Re8+ 23.Kd3 Bf4 24.Qc5 Qxa8 25.c3 Nxd4 26.cxd4 g6 27.g3 b6 28.
Qd5 Re3+ 29.Kc4 Qc8+ 30.Kb4 Qc3+ 31.Kxa4 Qc2+ 32.Rb3 Rxb3 33.Rc1 Bxc1 34.
Qxb3 b5+ 35.Ka5 Bd2+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.7"]
[White "Coro, Lucas"]
[Black "Delgado Romero, Marco"]
[Result "1-0"]
[WhiteElo "2320"]
[BlackElo "2236"]
[ECO "B76"]
[EventDate "2019.08.01"]
[PlyCount "123"]

1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3 Bg7 7.f3 O-O 8.Qd2 
Nc6 9.g4 Be6 10.Nxe6 fxe6 11.O-O-O Ne5 12.Be2 Qc8 13.h4 Nfd7 14.f4 Nc4 15.
Bxc4 Qxc4 16.e5 Rad8 17.exd6 exd6 18.Qd3 Qxd3 19.Rxd3 Nf6 20.Rg1 a6 21.Ne2
Kf7 22.Nd4 Nd5 23.Bd2 e5 24.fxe5 dxe5 25.Nf3 Ne7 26.Rb3 Rd7 27.Re3 Nc6 28.
Bc3 Re8 29.Rge1 Rd5 30.Re4 Bh6+ 31.Kb1 Bf4 32.b3 h6 33.Kb2 g5 34.R1e2 Kf6 
35.hxg5+ hxg5 36.Ne1 Rd1 37.Nd3 Rf1 38.a4 a5 39.Nc5 Re7 40.Rc4 Nd4 41.Ne4+
Kg6 42.Re1 Rxe1 43.Bxe1 b6 44.Bf2 Re6 45.Rc8 Kf7 46.Rb8 Rh6 47.Rb7+ Ke8 
48.c3 Nf3 49.b4 axb4 50.cxb4 Nd4 51.Kc3 Rc6+ 52.Kd3 Nb3 53.Be3 Nc1+ 54.
Bxc1 Bxc1 55.b5 Rh6 56.Kc4 Kd8 57.Kd5 Rh3 58.Rxb6 Ra3 59.Ra6 Bb2 60.b6 Kc8
61.Kc6 Kb8 62.b7 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.8"]
[White "Lu, Maximillian"]
[Black "Aguilar, Luis Miguel"]
[Result "1-0"]
[WhiteElo "2283"]
[BlackElo "2204"]
[ECO "A40"]
[EventDate "2019.08.01"]
[PlyCount "109"]

1.d4 g6 2.Nf3 Bg7 3.g3 c5 4.c4 cxd4 5.Nxd4 Qb6 6.Nb5 a6 7.N5c3 Qc6 8.Qd5 
Nf6 9.Qxc6 Nxc6 10.Bg2 d6 11.Na4 Be6 12.Nb6 Rb8 13.O-O Nd7 14.Nd5 Nde5 15.
Na3 Nd4 16.Re1 b5 17.cxb5 Bxd5 18.Bxd5 axb5 19.Be3 Ng4 20.Rad1 Nxe3 21.
fxe3 Nf5 22.e4 Nd4 23.Kf2 b4 24.Nc4 e6 25.Nxd6+ Ke7 26.Bb3 Nxb3 27.axb3 
Bxb2 28.Rd3 Rhd8 29.Red1 Be5 30.Nc4 Rxd3 31.Rxd3 Bc3 32.Ke3 Ra8 33.Rd1 Ra3
34.Nxa3 bxa3 35.Kd3 Be5 36.Rd2 Kd6 37.Kc4+ Kc6 38.b4 h5 39.Kb3 h4 40.gxh4 
Bxh2 41.Rd3 f5 42.exf5 exf5 43.h5 gxh5 44.Rh3 Bd6 45.Kxa3 Kb5 46.Rxh5 
Bxb4+ 47.Kb3 Bd6 48.Rxf5+ Kc6 49.Kc4 Be7 50.Rh5 Kd6 51.Kd4 Ke6 52.Re5+ Kd6
53.Rxe7 Kxe7 54.Ke5 Ke8 55.Ke6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.9"]
[White "Acosta, Pablo Ismael"]
[Black "Medrano, Sebastian"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2086"]
[ECO "A46"]
[EventDate "2019.08.01"]
[PlyCount "65"]

1.d4 Nf6 2.Nf3 e6 3.Bg5 b6 4.e4 h6 5.Bxf6 Qxf6 6.Bd3 Bb7 7.Nbd2 g6 8.Qe2 
Bg7 9.c3 Qe7 10.O-O-O d6 11.h4 Nd7 12.Rhe1 O-O-O 13.Bb5 Kb8 14.Qc4 Rc8 15.
d5 Ne5 16.Nxe5 Bxe5 17.Nf3 Bf6 18.Kb1 g5 19.h5 g4 20.Ng1 Rhg8 21.Ne2 Rg5 
22.Nf4 Be5 23.Nd3 a5 24.b4 Qf6 25.Rc1 axb4 26.Nxb4 Qxf2 27.Bc6 b5 28.Bxb5 
c5 29.Na6+ Ka7 30.Qa4 Bxc3 31.Nxc5+ Kb8 32.Nd7+ Kc7 33.Qa5+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.10"]
[White "Caballero Quijano, Mitzy Mishell"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[WhiteElo "2059"]
[BlackElo "2309"]
[ECO "D23"]
[EventDate "2019.08.01"]
[PlyCount "37"]

1.d4 d5 2.Nf3 Nf6 3.c4 dxc4 4.Qa4+ Nbd7 5.Nc3 e6 6.e4 Be7 7.Bxc4 O-O 8.Qc2
c6 9.O-O h6 10.h3 b5 11.Bd3 a6 12.Rd1 Bb7 13.e5 Nd5 14.Nxd5 cxd5 15.Bf4 
Rc8 16.Qd2 Re8 17.Nh2 g5 18.Ng4 h5 19.Nh2 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.11"]
[White "Tello Chavez, Isaac Valent"]
[Black "Davila Blanco, Juan Jose"]
[Result "1-0"]
[WhiteElo "2271"]
[BlackElo "2052"]
[ECO "A16"]
[EventDate "2019.08.01"]
[PlyCount "93"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.e3 d6 6.Nge2 c6 7.O-O e5 8.d4 exd4 
9.Nxd4 Nbd7 10.h3 Re8 11.b3 Nc5 12.Bb2 Nce4 13.Nxe4 Nxe4 14.Qc2 f5 15.Rad1
Qa5 16.a3 Qe5 17.Ba1 Qa5 18.Qa2 Qc7 19.Kh2 Bd7 20.Ne2 Rad8 21.Bxg7 Kxg7 
22.Qb2+ Kg8 23.f3 Ng5 24.Qd2 Nf7 25.Qc3 Re7 26.Nd4 Rde8 27.Nc2 c5 28.e4 
fxe4 29.fxe4 Bc6 30.Ne3 Ne5 31.Rf4 Rf7 32.Qd2 Qd8 33.Nd5 Ref8 34.Rdf1 Kh8 
35.Nc3 Rxf4 36.gxf4 Nf7 37.b4 b6 38.Ne2 Re8 39.Ng3 Kg8 40.f5 Ne5 41.Qh6 
Nf7 42.Qf4 Ne5 43.f6 Nf7 44.Nf5 Kh8 45.Ne7 Bb7 46.Qh4 g5 47.Qh5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.12"]
[White "Guerrero Cataldo, Juan Andres"]
[Black "Santiago Vilca, Christian Amilca"]
[Result "0-1"]
[WhiteElo "2035"]
[BlackElo "2256"]
[ECO "E62"]
[EventDate "2019.08.01"]
[PlyCount "74"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.c4 Nc6 7.Nc3 Bf5 8.Re1 Ne4
9.h3 Qd7 10.g4 Nxc3 11.bxc3 Be4 12.Qa4 Rfd8 13.Nd2 Bxg2 14.Kxg2 b6 15.Ba3 
a6 16.e4 b5 17.cxb5 axb5 18.Qb3 Na5 19.Qc2 c5 20.dxc5 dxc5 21.Rad1 Qc6 22.
Nf3 Rxd1 23.Rxd1 Nc4 24.Bc1 Nd6 25.Re1 Ra4 26.e5 Nc4 27.Bf4 Qa8 28.Qb3 Ra3
29.Qxb5 Rxc3 30.Be3 Nxe5 31.Qe2 Ra3 32.Rc1 Rxa2 33.Qd1 c4 34.Bc5 Nd3 35.
Rxc4 Nb2 36.Qc1 Nxc4 37.Qxc4 Ra4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.13"]
[White "Rengifo Blancas, Renzo Jhonathan"]
[Black "Castellanos Villela, Alejandro"]
[Result "0-1"]
[WhiteElo "2194"]
[BlackElo "1985"]
[ECO "B81"]
[EventDate "2019.08.01"]
[PlyCount "36"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.h3 e6 7.g4 h6 8.Bg2 g5 9.
Be3 Nbd7 10.Qe2 Ne5 11.f4 gxf4 12.Bxf4 Nfd7 13.O-O-O b5 14.Nf5 b4 15.Nxd6+
Bxd6 16.Rxd6 bxc3 17.Rhd1 Qa5 18.bxc3 Qa3+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.14"]
[White "Torrico, Alexis"]
[Black "Vera, Pavel"]
[Result "1/2-1/2"]
[WhiteElo "1847"]
[BlackElo "2173"]
[ECO "D38"]
[EventDate "2019.08.01"]
[PlyCount "43"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.Bg5 Nbd7 6.e3 O-O 7.cxd5 exd5 8.Bd3 
c5 9.O-O Qa5 10.Qc2 c4 11.Bf5 g6 12.Bh3 Re8 13.Ne2 Ne4 14.Bf4 b5 15.Bxd7 
Bxd7 16.Ne5 Qd8 17.a4 Nd2 18.Nxd7 Qxd7 19.Rfd1 Nb3 20.Ra2 bxa4 21.Nc3 Bxc3
22.Qxc3 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.15"]
[White "Flores Quillas, Diego Saul Rodri"]
[Black "Santiago Vilca, Lito Gustavo"]
[Result "1-0"]
[WhiteElo "2163"]
[BlackElo "1818"]
[ECO "B42"]
[EventDate "2019.08.01"]
[PlyCount "47"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 g6 8.Qe2 Bg7 
9.Nf3 Nc6 10.h3 O-O 11.Nc3 Qc7 12.Be3 Nd7 13.Rac1 Nce5 14.Nxe5 Nxe5 15.
Rfd1 Re8 16.b3 Bd7 17.Bb1 Bc6 18.Qd2 Bf8 19.Nd5 Bxd5 20.exd5 Qd8 21.dxe6 
fxe6 22.f4 Nc6 23.Bd3 Qf6 24.c5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.16"]
[White "Titichoca Daza, Daniel"]
[Black "Cari, Nicolas"]
[Result "1-0"]
[WhiteElo "2143"]
[BlackElo "1788"]
[ECO "E90"]
[EventDate "2019.08.01"]
[PlyCount "47"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Nbd7 5.Be3 Bg7 6.h3 O-O 7.Nf3 e5 8.d5 Kh8 
9.g4 Ng8 10.Be2 Ne7 11.g5 f5 12.gxf6 Nxf6 13.Nd2 Bd7 14.h4 Qc8 15.h5 gxh5 
16.Bxh5 Bg4 17.Bxg4 Nxg4 18.Qe2 Ng6 19.O-O-O Nf4 20.Bxf4 exf4 21.Rdg1 Bxc3
22.bxc3 Nf6 23.e5 dxe5 24.Qxe5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.17"]
[White "Ticona Rocabado, Licael Roderick"]
[Black "Benitez Galeano, Alejandro"]
[Result "0-1"]
[WhiteElo "1693"]
[BlackElo "2111"]
[ECO "A48"]
[EventDate "2019.08.01"]
[PlyCount "64"]

1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Be2 O-O 5.O-O d6 6.c4 Nbd7 7.Nc3 e5 8.d5 a5 
9.e4 Nc5 10.Qc2 Nh5 11.Be3 f5 12.Nd2 f4 13.Bxc5 dxc5 14.Bxh5 gxh5 15.f3 
Kh8 16.Nb3 Qe7 17.Rad1 Rf6 18.Rd2 Bf8 19.Rfd1 Qg7 20.Nb5 Bd6 21.Nxd6 cxd6 
22.Kh1 Bd7 23.Qd3 Rg6 24.Qe2 b6 25.Qf2 Rb8 26.Rg1 h4 27.Nc1 Qh6 28.Ne2 h3 
29.g3 fxg3 30.Nxg3 Qf4 31.Rd3 Rbg8 32.Ne2 Qxe4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.18"]
[White "Barja Viveros, Matias Ariel"]
[Black "Mollo, Jhoan"]
[Result "0-1"]
[WhiteElo "1544"]
[BlackElo "2023"]
[ECO "B23"]
[EventDate "2019.08.01"]
[PlyCount "115"]

1.e4 c5 2.Nc3 g6 3.f4 Nc6 4.Bc4 Bg7 5.Nf3 e6 6.O-O Nge7 7.d3 O-O 8.Qe1 d5 
9.Bb3 a6 10.a4 Nd4 11.Nxd4 cxd4 12.Ne2 dxe4 13.dxe4 d3 14.Nc3 Nc6 15.Be3 
Nd4 16.Rd1 dxc2 17.Bxc2 Nxc2 18.Rxd8 Nxe1 19.Rxf8+ Bxf8 20.Rxe1 Bd7 21.Rd1
Bc6 22.a5 Bb4 23.Bb6 f5 24.e5 Kf7 25.Kf2 Be7 26.Ne2 Rg8 27.Nd4 Bd5 28.Nf3 
Rc8 29.g3 Rc2+ 30.Rd2 Rc1 31.Nd4 Ke8 32.Rc2 Rxc2+ 33.Nxc2 g5 34.Ke3 Kf7 
35.Nd4 Kg6 36.Nf3 gxf4+ 37.Kxf4 Bf8 38.Ng5 Bb4 39.Nf3 Kh5 40.h3 Bf8 41.g4+
fxg4 42.hxg4+ Kg6 43.Nh4+ Kf7 44.g5 Bb4 45.Kg4 Be1 46.Nf3 Bxf3+ 47.Kxf3 
Bd2 48.Kg4 Bc1 49.b4 Kg6 50.Bd8 Bb2 51.Kf4 Bc1+ 52.Kg4 Bd2 53.Be7 Be3 54.
Bd8 Bd4 55.Kf4 Bc3 56.Be7 Kh5 57.Ke4 Bd2 58.Kd4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.19"]
[White "Zambrana Estrada, Breyner Andre"]
[Black "Huanca, Edson"]
[Result "0-1"]
[WhiteElo "1426"]
[BlackElo "1948"]
[ECO "D30"]
[EventDate "2019.08.01"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.a3 Be7 5.Nc3 O-O 6.e3 c5 7.dxc5 Bxc5 8.b4 Be7 
9.Bb2 dxc4 10.Bxc4 Nbd7 11.O-O Nb6 12.Bb3 Bd7 13.Rc1 Rc8 14.Qe2 Rc7 15.Ne5
Qb8 16.Nxd7 Nbxd7 17.Nb5 Rxc1 18.Rxc1 a6 19.Nd4 Bd6 20.h3 Rc8 21.Rc2 Rxc2 
22.Qxc2 Qc7 23.Qxc7 Bxc7 24.Kf1 g6 25.Ke2 Bd6 26.f3 Kf8 27.Nc2 Ke7 28.a4 
Nd5 29.Bxd5 exd5 30.b5 Nc5 31.bxa6 bxa6 32.a5 Nb3 33.Bc3 Kd7 34.Kd3 Kc6 
35.Nd4+ Nxd4 36.Kxd4 Bc5+ 37.Kd3 Kb5 38.e4 dxe4+ 39.fxe4 Bb4 40.Bxb4 Kxb4 
41.Kd4 Kxa5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.20"]
[White "Araujo Miranda, Styven Sandro"]
[Black "Ccerhuayo Escobedo, Mels Leopold"]
[Result "0-1"]
[WhiteElo "1347"]
[BlackElo "1820"]
[ECO "A46"]
[EventDate "2019.08.01"]
[PlyCount "78"]

1.d4 Nf6 2.Nf3 e6 3.g3 d5 4.a3 a5 5.Bg2 c5 6.c3 Nc6 7.O-O Bd6 8.Bg5 h6 9.
Bxf6 Qxf6 10.e3 O-O 11.Nbd2 Rd8 12.dxc5 Bxc5 13.b4 Bf8 14.Qc2 e5 15.b5 Na7
16.a4 Be6 17.Qb2 Nc8 18.Rac1 Nb6 19.Rfd1 e4 20.Nd4 Nxa4 21.Qa2 Nc5 22.Bf1 
Bg4 23.Re1 Ne6 24.h3 Nxd4 25.cxd4 Be6 26.Nb3 Bb4 27.Re2 b6 28.Rec2 Rdc8 
29.Rxc8+ Rxc8 30.Rxc8+ Bxc8 31.Qc2 Qd8 32.Nc1 Bb7 33.Na2 Qc8 34.Nxb4 axb4 
35.Qxc8+ Bxc8 36.Be2 Bd7 37.h4 b3 38.Bd1 Bxb5 39.f4 Bd3 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.21"]
[White "Inaicheo Santana, Edward"]
[Black "Moreno, Alejandro"]
[Result "1-0"]
[WhiteElo "1635"]
[BlackElo "1477"]
[ECO "D02"]
[EventDate "2019.08.01"]
[PlyCount "53"]

1.d4 d5 2.Nf3 e6 3.Bf4 Nf6 4.e3 Be7 5.h3 a6 6.Bd3 Nc6 7.a3 h6 8.Nbd2 O-O 
9.c4 Bd6 10.Ne5 Rb8 11.Rc1 Bxe5 12.dxe5 Nd7 13.Nf3 dxc4 14.Bxc4 b5 15.Bxe6
fxe6 16.Rxc6 Bb7 17.Rxe6 Nc5 18.Qxd8 Rbxd8 19.Re7 Nd3+ 20.Ke2 Bxf3+ 21.
gxf3 Nxf4+ 22.exf4 Rxf4 23.Rc1 Rc8 24.Rcxc7 Rxc7 25.Rxc7 Rf5 26.Rc5 Rh5 
27.f4 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.22"]
[White "Villazon Zeballos, Manuel"]
[Black "Araujo, Amilcar"]
[Result "0-1"]
[WhiteElo "1378"]
[BlackElo "1530"]
[ECO "A48"]
[EventDate "2019.08.01"]
[PlyCount "25"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.h3 d6 5.e3 Nbd7 6.Bd3 b6 7.O-O Bb7 8.Nbd2 
O-O 9.c4 Rc8 10.Bh2 e5 11.Qc2 e4 12.Be2 exf3 13.Nxf3 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.23"]
[White "Bracamonte, Humberto"]
[Black "Zubieta Echalar, Eduardo"]
[Result "0-1"]
[WhiteElo "1516"]
[BlackElo "1329"]
[ECO "B01"]
[EventDate "2019.08.01"]
[PlyCount "46"]

1.e4 d5 2.exd5 Nf6 3.d4 Bg4 4.Nf3 Nxd5 5.Be2 e6 6.O-O Be7 7.c4 Nf6 8.h3 
Bf5 9.Nc3 O-O 10.Qb3 b6 11.Ne5 Qxd4 12.Bf3 Be4 13.Nxe4 Nxe4 14.Nxf7 Rxf7 
15.Be3 Qe5 16.Qc2 Bd6 17.Rfe1 Qh2+ 18.Kf1 Ng3+ 19.fxg3 Rxf3+ 20.Bf2 Qh1+ 
21.Ke2 Qxg2 22.Rf1 Bxg3 23.Ke1 Bxf2+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.24"]
[White "Janco Fernandez, Marcelo Ruben"]
[Black "Tapia Espada, Antonio Enrique"]
[Result "0-1"]
[WhiteElo "1095"]
[BlackElo "1506"]
[ECO "C11"]
[EventDate "2019.08.01"]
[PlyCount "47"]

1.e4 Nf6 2.Nc3 d5 3.e5 Nfd7 4.d4 e6 5.Nf3 c5 6.dxc5 Bxc5 7.Be3 Bxe3 8.fxe3
Nc6 9.Bb5 O-O 10.O-O Ndxe5 11.Bxc6 Nxf3+ 12.Qxf3 bxc6 13.Rad1 Ba6 14.Rfe1 
Rb8 15.b3 e5 16.e4 d4 17.Na4 Qe7 18.Ra1 c5 19.Nb2 Rfc8 20.Nd3 c4 21.Nc1 
cxb3 22.axb3 Bb5 23.Ra5 Rxc2 24.Nd3 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.02"]
[Round "3.25"]
[White "Teran Medina, Marcelo"]
[Black "Montevilla C., Elias Alejandro"]
[Result "1/2-1/2"]
[WhiteElo "1506"]
[BlackElo "1326"]
[ECO "B07"]
[EventDate "2019.08.01"]
[PlyCount "34"]

1.e4 d6 2.Nc3 Nf6 3.Bc4 g6 4.Nf3 Bg7 5.h3 O-O 6.O-O c6 7.Bb3 b5 8.e5 dxe5 
9.Nxe5 e6 10.d4 a5 11.a3 Bb7 12.Bg5 Nbd7 13.Ne4 h6 14.Bxf6 Nxf6 15.Nc5 Qc7
16.Nxe6 fxe6 17.Bxe6+ Kh7 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.1"]
[White "Wang, Annie"]
[Black "Zhang, Derek"]
[Result "1-0"]
[WhiteElo "2321"]
[BlackElo "2147"]
[ECO "A88"]
[EventDate "2019.08.01"]
[PlyCount "46"]

1.d4 d6 2.Nf3 f5 3.g3 Nf6 4.Bg2 g6 5.c4 Bg7 6.O-O O-O 7.Nc3 c6 8.Bd2 Na6 
9.Qc1 Re8 10.d5 e5 11.dxe6 Bxe6 12.Nd1 Nc5 13.Ng5 Bc8 14.Nc3 a5 15.Rd1 Ng4
16.Bf4 Ne5 17.Qc2 Qc7 18.Rac1 h6 19.Nf3 Be6 20.b3 g5 21.Be3 Rad8 22.Rd2 
Bc8 23.Bd4 Qb6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.2"]
[White "Asaria, Danial"]
[Black "Coro, Lucas"]
[Result "0-1"]
[WhiteElo "2305"]
[BlackElo "2320"]
[ECO "E60"]
[EventDate "2019.08.01"]
[PlyCount "46"]

1.d4 Nf6 2.c4 g6 3.f3 Bg7 4.e4 d6 5.Ne2 O-O 6.Bg5 c5 7.d5 e6 8.Nec3 h6 9.
Be3 exd5 10.cxd5 a6 11.a4 Nh7 12.Qd2 Nd7 13.Be2 Re8 14.O-O h5 15.Na3 Ne5 
16.h3 f5 17.f4 Nf7 18.e5 dxe5 19.Bxc5 Bd7 20.Nc4 Rc8 21.Bb6 Qf6 22.d6 Qe6 
23.Bc7 b5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.3"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Lu, Maximillian"]
[Result "1/2-1/2"]
[WhiteElo "2373"]
[BlackElo "2283"]
[ECO "D85"]
[EventDate "2019.08.01"]
[PlyCount "42"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Qa4+ Qd7 8.
Bb5 c6 9.Bd3 O-O 10.Ne2 b6 11.O-O Bb7 12.Rd1 c5 13.Qxd7 Nxd7 14.Bg5 Bf6 
15.Bxf6 Nxf6 16.e5 Nd5 17.dxc5 bxc5 18.Be4 Rad8 19.c4 Nf4 20.Nxf4 Bxe4 21.
f3 Bf5 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.4"]
[White "Munoz, Francisco Javier"]
[Black "Varacalli, Francisco"]
[Result "1/2-1/2"]
[WhiteElo "2282"]
[BlackElo "2306"]
[ECO "C48"]
[EventDate "2019.08.01"]
[PlyCount "44"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 d6 5.Bxc6+ bxc6 6.d4 exd4 7.Nxd4 Bd7 8.
O-O Be7 9.Qf3 c5 10.Nf5 Bxf5 11.Qxf5 Qd7 12.Qxd7+ Nxd7 13.Nd5 Bd8 14.b3 
O-O 15.Bb2 Nb6 16.c4 Nxd5 17.cxd5 Be7 18.Rfc1 Rfb8 19.Rc4 a5 20.Bc3 Bf6 
21.Bxf6 gxf6 22.g3 Rb4 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.5"]
[White "Johnson, Joshua"]
[Black "Tello Chavez, Isaac Valent"]
[Result "1/2-1/2"]
[WhiteElo "2241"]
[BlackElo "2271"]
[ECO "B12"]
[EventDate "2019.08.01"]
[PlyCount "55"]

1.e4 c6 2.d4 d5 3.e5 c5 4.dxc5 Nc6 5.Nf3 e6 6.a3 Bxc5 7.b4 Bb6 8.Bb2 Nge7 
9.h4 f6 10.exf6 gxf6 11.b5 Ne5 12.Nxe5 fxe5 13.Qh5+ Kd7 14.Nd2 Rf8 15.
O-O-O Bd4 16.Bxd4 exd4 17.Nb3 Qc7 18.Rxd4 Rxf2 19.Qxh7 Kd6 20.Rd2 Rxd2 21.
Nxd2 Qc3 22.Qd3 Qa1+ 23.Nb1 e5 24.Qc3 Qxc3 25.Nxc3 Bf5 26.Nd1 Rc8 27.Ne3 
Be6 28.Kd2 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.6"]
[White "Acosta, Pablo Ismael"]
[Black "Flores Quillas, Diego Saul Rodri"]
[Result "1/2-1/2"]
[WhiteElo "2440"]
[BlackElo "2163"]
[ECO "A61"]
[EventDate "2019.08.01"]
[PlyCount "59"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Bf4 a6 8.a4 Bg7 
9.h3 O-O 10.e3 Re8 11.Nd2 Nbd7 12.Be2 Ne5 13.O-O Nfd7 14.Bg3 f5 15.Re1 Nf7
16.Bf1 Nf6 17.Qc2 Qc7 18.a5 Bd7 19.Ra3 Nh5 20.Bh2 Be5 21.Nc4 Bxh2+ 22.Kxh2
Re7 23.Rb1 Ne5 24.Nb6 Rf8 25.b4 f4 26.e4 cxb4 27.Rxb4 g5 28.Rb2 g4 29.Ne2 
Qxc2 30.Rxc2 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.7"]
[White "Huang, Andy"]
[Black "Titichoca Daza, Daniel"]
[Result "1-0"]
[WhiteElo "2263"]
[BlackElo "2143"]
[ECO "B31"]
[EventDate "2019.08.01"]
[PlyCount "36"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.Bxc6 dxc6 5.d3 Bg7 6.h3 Nf6 7.Nc3 Nd7 8.Be3 
e5 9.Qd2 h6 10.O-O-O Qe7 11.Nh2 Nf8 12.Kb1 Ne6 13.Rdf1 Nd4 14.f4 exf4 15.
Bxf4 Be6 16.Ng4 g5 17.Bh2 O-O-O 18.Qf2 b6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.8"]
[White "Castellanos Villela, Alejandro"]
[Black "Pinto, Daniel"]
[Result "1-0"]
[WhiteElo "1985"]
[BlackElo "2257"]
[ECO "C55"]
[EventDate "2019.08.01"]
[PlyCount "81"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.O-O d6 6.a4 O-O 7.a5 a6 8.c3 Kh8 9.
Nbd2 Ng8 10.d4 exd4 11.Nxd4 Nxd4 12.cxd4 f5 13.e5 d5 14.Bd3 Be6 15.f4 c5 
16.Nf3 Nh6 17.Kh1 Rc8 18.Be3 cxd4 19.Nxd4 Bg8 20.Qb1 g6 21.b4 Rc7 22.Qb2 
Qc8 23.Rfc1 Ng4 24.Bg1 h5 25.Nf3 d4 26.Bxd4 Bd5 27.Bb6 Rc6 28.b5 axb5 29.
Bxb5 Bc5 30.Bxc6 Nf2+ 31.Qxf2 Bxf2 32.Bxd5 Qd7 33.Bxf2 Qxd5 34.Bd4 Kg8 35.
Rc5 Qe4 36.Re1 Qxf4 37.Rc7 Rf7 38.Rxf7 Kxf7 39.e6+ Ke8 40.Bf6 Qa4 41.Rc1 
1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.9"]
[White "Santiago Vilca, Christian Amilca"]
[Black "Caballero Quijano, Mitzy Mishell"]
[Result "1-0"]
[WhiteElo "2256"]
[BlackElo "2059"]
[ECO "E11"]
[EventDate "2019.08.01"]
[PlyCount "43"]

1.d4 e6 2.c4 Nf6 3.Nf3 Bb4+ 4.Nbd2 O-O 5.a3 Be7 6.e4 d5 7.e5 Nfd7 8.b4 a5 
9.b5 c5 10.Bb2 f6 11.cxd5 exd5 12.e6 Nb6 13.dxc5 Bxc5 14.Bd3 Qe7 15.O-O 
Bxe6 16.Nd4 Bxd4 17.Bxd4 Nc4 18.Re1 Qf7 19.Qc2 Kh8 20.Bxh7 Nxd2 21.Bg6 Qe7
22.Qxd2 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.10"]
[White "Benitez Galeano, Alejandro"]
[Black "Bolanos, Fernando"]
[Result "0-1"]
[WhiteElo "2111"]
[BlackElo "2247"]
[ECO "A04"]
[EventDate "2019.08.01"]
[PlyCount "82"]

1.Nf3 b5 2.g3 Bb7 3.Bg2 e6 4.O-O Nf6 5.d3 Be7 6.Nbd2 O-O 7.Re1 d5 8.c4 
bxc4 9.dxc4 c5 10.Ne5 Nc6 11.Nxc6 Bxc6 12.Qc2 Qb6 13.Rb1 d4 14.e3 dxe3 15.
Rxe3 Bxg2 16.Kxg2 Ng4 17.Rb3 Qc6+ 18.Qe4 Ne5 19.Qxc6 Nxc6 20.Ne4 f5 21.Nc3
Na5 22.Rb5 Nxc4 23.b3 Nb6 24.Be3 Rac8 25.Rc1 Kf7 26.Ne2 Kf6 27.a4 Nd5 28.
Bxc5 Bxc5 29.Rcxc5 Rxc5 30.Rxc5 Rb8 31.Nc1 Ke5 32.Ra5 Rb7 33.Nd3+ Kd4 34.
Nc5 Re7 35.Kf3 e5 36.Ke2 g5 37.Kd2 e4 38.Rb5 f4 39.Nb7 e3+ 40.Ke1 Rc7 41.
fxe3+ fxe3 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.11"]
[White "Mollo, Jhoan"]
[Black "Vivas Zamora, Fabian Ernesto"]
[Result "0-1"]
[WhiteElo "2023"]
[BlackElo "2348"]
[ECO "C63"]
[EventDate "2019.08.01"]
[PlyCount "54"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.d3 fxe4 5.dxe4 Nf6 6.Bg5 Bb4+ 7.c3 Bc5 8.O-O 
d6 9.Nbd2 O-O 10.b4 Bb6 11.Qb3+ Kh8 12.a4 a5 13.Bc4 Qe8 14.b5 Nd8 15.Bh4 
Qg6 16.Rae1 Bg4 17.Bxf6 Rxf6 18.Kh1 Qh5 19.Ng1 Bxf2 20.Rxf2 Rxf2 21.Ngf3 
Qg6 22.Bf1 Ne6 23.Kg1 Rxf3 24.gxf3 Bxf3+ 25.Kf2 Bh5 26.Re3 Rf8+ 27.Ke1 Qg1
0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.12"]
[White "Delgado Romero, Marco"]
[Black "Mendoza Criollo, Carlos David"]
[Result "1-0"]
[WhiteElo "2236"]
[BlackElo "2103"]
[ECO "E71"]
[EventDate "2019.08.01"]
[PlyCount "89"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 O-O 6.Be3 c6 7.Nf3 Nbd7 8.Be2 a6 
9.a4 e5 10.O-O exd4 11.Bxd4 Re8 12.Nd2 Nc5 13.Bf3 a5 14.Be3 Nfd7 15.Qc2 
Ne5 16.Be2 f5 17.Rad1 Qe7 18.Rfe1 Nxe4 19.Ndxe4 fxe4 20.Qxe4 Be6 21.b3 
Nxc4 22.Bd4 Ne5 23.f4 Bf5 24.Bc4+ d5 25.Nxd5 cxd5 26.Qxd5+ Be6 27.Qxe6+ 
Qxe6 28.Bxe6+ Rxe6 29.Bxe5 Rae8 30.Rd5 b6 31.h4 h6 32.Kf2 g5 33.hxg5 hxg5 
34.g3 R8e7 35.Kf3 Kf7 36.Re4 Ke8 37.Rd6 Rxd6 38.Bxd6 Rxe4 39.Kxe4 gxf4 40.
Bxf4 Kd7 41.Kd5 Kc8 42.Be3 Kc7 43.g4 Kb7 44.g5 Ka6 45.Kc6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.13"]
[White "Aguilar, Luis Miguel"]
[Black "Torrico, Alexis"]
[Result "0-1"]
[WhiteElo "2204"]
[BlackElo "1847"]
[ECO "A00"]
[EventDate "2019.08.01"]
[PlyCount "45"]

1.g3 Nf6 2.Bg2 d5 3.c4 dxc4 4.Qa4+ Nfd7 5.Qxc4 g6 6.Nf3 Bg7 7.O-O Nb6 8.
Qc2 Nc6 9.Nc3 O-O 10.d3 Bg4 11.Be3 e5 12.Ng5 Nd4 13.Qd2 c6 14.Nge4 Nd5 15.
h3 Bc8 16.Bh6 f5 17.Nxd5 Bxh6 18.Qxh6 Nxe2+ 19.Kh2 fxe4 20.Qe3 Nd4 21.Nc3 
Nc2 22.Qxe4 Nxa1 23.Rxa1 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.14"]
[White "Vera, Pavel"]
[Black "Huanca, Edson"]
[Result "1-0"]
[WhiteElo "2173"]
[BlackElo "1948"]
[ECO "D52"]
[EventDate "2019.08.01"]
[PlyCount "59"]

1.d4 Nf6 2.Nf3 e6 3.Bg5 d5 4.c4 c6 5.e3 Nbd7 6.Nc3 Qa5 7.Nd2 Bb4 8.Qc2 Ne4
9.Ndxe4 dxe4 10.Bh4 f5 11.Be2 e5 12.O-O exd4 13.exd4 O-O 14.f3 exf3 15.
Bxf3 Nb6 16.c5 Bxc3 17.bxc3 Nd5 18.Rae1 Nxc3 19.Qb3+ Kh8 20.Qf7 Rg8 21.Re8
Be6 22.Rxe6 Qxa2 23.Re7 Qd2 24.Bf6 Qh6 25.Be5 Raf8 26.Qb3 Qe3+ 27.Kh1 Qg5 
28.Rxg7 Rxg7 29.Qxc3 Rd8 30.d5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.15"]
[White "Ccerhuayo Escobedo, Mels Leopold"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[WhiteElo "1820"]
[BlackElo "2309"]
[ECO "D24"]
[EventDate "2019.08.01"]
[PlyCount "51"]

1.d4 d5 2.Nf3 Nf6 3.c4 dxc4 4.Nc3 a6 5.e3 b5 6.a4 b4 7.Nb1 e6 8.Bxc4 Be7 
9.O-O O-O 10.Qe2 c5 11.Re1 cxd4 12.exd4 Bb7 13.Nbd2 Nbd7 14.Nb3 Bd5 15.a5 
Bxc4 16.Qxc4 Qc8 17.Qd3 Qb7 18.Be3 Rfd8 19.Rac1 h6 20.Qe2 Nd5 21.Rc2 Rac8 
22.Rec1 Bd6 23.Nc5 Bxc5 24.dxc5 Nb8 25.Ne5 Nc6 26.Nc4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.16"]
[White "Araujo, Amilcar"]
[Black "Rengifo Blancas, Renzo Jhonathan"]
[Result "0-1"]
[WhiteElo "1530"]
[BlackElo "2194"]
[ECO "D13"]
[EventDate "2019.08.01"]
[PlyCount "43"]

1.d4 Nf6 2.c4 c6 3.Nc3 d5 4.cxd5 cxd5 5.Nf3 Nc6 6.Bf4 a6 7.a4 Qb6 8.Qd2 e6
9.e3 Ne4 10.Qc2 Nb4 11.Qc1 Bd7 12.Ne5 Rc8 13.Nxd7 Kxd7 14.f3 g5 15.Be5 f6 
16.Bg3 Nxg3 17.hxg3 e5 18.Qb1 exd4 19.a5 Qe6 20.Rxh7+ Rxh7 21.Qxh7+ Qe7 
22.Na4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.17"]
[White "Medrano, Sebastian"]
[Black "Ticona Rocabado, Licael Roderick"]
[Result "1/2-1/2"]
[WhiteElo "2086"]
[BlackElo "1693"]
[ECO "E73"]
[EventDate "2019.08.01"]
[PlyCount "43"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 Nbd7 7.Qd2 e5 8.d5 a5 
9.f3 Nc5 10.g4 h6 11.Be3 b6 12.h4 h5 13.g5 Nfd7 14.Nh3 Re8 15.Nf2 Ba6 16.
b3 Qe7 17.O-O Rac8 18.Qb2 Rf8 19.a3 Bb7 20.b4 axb4 21.axb4 Na6 22.c5 
1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.18"]
[White "Davila Blanco, Juan Jose"]
[Black "Inaicheo Santana, Edward"]
[Result "1-0"]
[WhiteElo "2052"]
[BlackElo "1635"]
[ECO "A47"]
[EventDate "2019.08.01"]
[PlyCount "77"]

1.d4 Nf6 2.Nf3 e6 3.e3 b6 4.Bd3 Bb7 5.O-O d5 6.Ne5 Be7 7.Nd2 c5 8.b3 O-O 
9.Bb2 Nbd7 10.f4 Ne4 11.Nxe4 dxe4 12.Bc4 a6 13.a4 Nf6 14.Qe1 Bd5 15.Be2 
Nd7 16.Rd1 cxd4 17.Bxd4 Nxe5 18.Bxe5 Qc8 19.c4 Bc6 20.Qg3 f6 21.Bd4 Bc5 
22.Qe1 Rd8 23.Bxc5 bxc5 24.Qa5 Be8 25.Rxd8 Qxd8 26.Qxc5 Qd2 27.Kf2 Rb8 28.
Rd1 Qb4 29.Qxb4 Rxb4 30.Rd8 Kf7 31.Bd1 Ke7 32.Ra8 Rb6 33.Ra7+ Bd7 34.c5 
Rc6 35.b4 Kd8 36.Be2 g6 37.Bxa6 Rc7 38.Rxc7 Kxc7 39.Bb5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.19"]
[White "Zubieta Echalar, Eduardo"]
[Black "Guerrero Cataldo, Juan Andres"]
[Result "0-1"]
[WhiteElo "1329"]
[BlackElo "2035"]
[ECO "B44"]
[EventDate "2019.08.01"]
[PlyCount "17"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.c4 Nf6 6.Nc3 Qc7 7.Be2 a6 8.O-O 
Bc5 9.Be3 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.20"]
[White "Santiago Vilca, Lito Gustavo"]
[Black "Barja Viveros, Matias Ariel"]
[Result "1/2-1/2"]
[WhiteElo "1818"]
[BlackElo "1544"]
[ECO "A88"]
[EventDate "2019.08.01"]
[PlyCount "43"]

1.Nf3 f5 2.g3 Nf6 3.Bg2 g6 4.O-O Bg7 5.d4 O-O 6.c4 d6 7.Nc3 c6 8.b3 Na6 9.
Ba3 Nc7 10.Rc1 Bd7 11.d5 c5 12.Nd2 a6 13.b4 b6 14.h3 Qc8 15.Kh2 Rb8 16.e4 
b5 17.Re1 cxb4 18.Bxb4 bxc4 19.Ba5 Nb5 20.exf5 Bxf5 21.Rxe7 Re8 22.Nde4 
1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.21"]
[White "Cari, Nicolas"]
[Black "Montevilla Cahuasa, Jonathan I"]
[Result "0-1"]
[WhiteElo "1788"]
[BlackElo "1231"]
[ECO "D43"]
[EventDate "2019.08.01"]
[PlyCount "70"]

1.d4 d5 2.c4 c6 3.Nf3 e6 4.Nc3 Nf6 5.Bg5 Qa5 6.Bxf6 gxf6 7.a3 dxc4 8.e4 b5
9.Be2 Bb7 10.O-O a6 11.Qc2 Nd7 12.Rfb1 Qc7 13.a4 Bd6 14.b3 b4 15.Nd1 c3 
16.a5 c5 17.h3 cxd4 18.Nxd4 Nc5 19.f3 Nxe4 20.fxe4 Bc5 21.Nf2 Bxd4 22.Bf3 
Rg8 23.Rd1 Rd8 24.Rd3 Qg3 25.Kf1 Bc6 26.Ng4 Bb5 27.Rd1 Ke7 28.Be2 Bxd3 29.
Rxd3 Qf4+ 30.Bf3 h5 31.Nf2 Bxf2 32.Kxf2 Rxd3 33.Qxd3 Rd8 34.Qc4 c2 35.
Qxb4+ Qd6 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.22"]
[White "Tapia Espada, Antonio Enrique"]
[Black "Teran Medina, Marcelo"]
[Result "1-0"]
[WhiteElo "1506"]
[BlackElo "1506"]
[ECO "A57"]
[EventDate "2019.08.01"]
[PlyCount "48"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 g6 6.Nc3 Bg7 7.Nf3 d6 8.Bd2 O-O 9.
Qc2 axb5 10.Bxb5 Ba6 11.Bxa6 Nxa6 12.e4 Qb6 13.O-O Rfb8 14.Na4 Qb5 15.b3 
Nb4 16.Bxb4 Qxb4 17.Nd2 Nd7 18.Rab1 Ra6 19.Nc4 Rba8 20.f4 Rxa4 21.bxa4 
Qxa4 22.Rfc1 Bd4+ 23.Kh1 Qxc2 24.Rxc2 Nf6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.23"]
[White "Moreno, Alejandro"]
[Black "Araujo Miranda, Styven Sandro"]
[Result "0-1"]
[WhiteElo "1477"]
[BlackElo "1347"]
[ECO "B50"]
[EventDate "2019.08.01"]
[PlyCount "61"]

1.e4 c5 2.Nf3 d6 3.Bc4 Nf6 4.d3 e6 5.O-O Be7 6.Be3 a6 7.a4 Nbd7 8.Nc3 O-O 
9.h3 b6 10.Nd2 Bb7 11.f4 Qc7 12.Bb3 d5 13.exd5 exd5 14.d4 c4 15.Ba2 Rfe8 
16.f5 Bb4 17.Bf4 Bd6 18.Qf3 Bxf4 19.Qxf4 Qxf4 20.Rxf4 Bc6 21.b3 b5 22.a5 
b4 23.Nd1 Re2 24.Rf2 Rxf2 25.Kxf2 c3 26.Nf3 Re8 27.Ne3 Bb5 28.Ne5 Ne4+ 29.
Kf3 Rxe5 30.Rd1 Nd2+ 31.Kf4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.24"]
[White "Montevilla C., Elias Alejandro"]
[Black "Zambrana Estrada, Breyner Andre"]
[Result "0-1"]
[WhiteElo "1326"]
[BlackElo "1426"]
[ECO "B23"]
[EventDate "2019.08.01"]
[PlyCount "46"]

1.e4 c5 2.Nc3 e6 3.d3 d5 4.Bf4 Nc6 5.exd5 exd5 6.Nb5 Qa5+ 7.Nc3 d4 8.Qe2+ 
Be7 9.Bd2 dxc3 10.Bxc3 Qd8 11.Bxg7 Nd4 12.Qd2 Bf6 13.Bxh8 Bxh8 14.c3 Qe7+ 
15.Ne2 Nxe2 16.Bxe2 Be6 17.O-O O-O-O 18.b4 cxb4 19.Qe3 Kb8 20.d4 bxc3 21.
Qxc3 Bxd4 22.Qg3+ Qc7 23.Qxc7+ Kxc7 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "4.25"]
[White "Bracamonte, Humberto"]
[Black "Villazon Zeballos, Manuel"]
[Result "0-1"]
[WhiteElo "1516"]
[BlackElo "1378"]
[ECO "B24"]
[EventDate "2019.08.01"]
[PlyCount "90"]

1.e4 c5 2.Nc3 g6 3.g3 Bg7 4.Bg2 Nc6 5.d3 e6 6.Nge2 Nge7 7.O-O O-O 8.Be3 b6
9.Qd2 d5 10.exd5 Nxd5 11.Nxd5 exd5 12.c4 Ne7 13.Bg5 f6 14.Bh6 Bb7 15.Bxg7 
Kxg7 16.Nf4 Qd7 17.Rfe1 Rfe8 18.Bh3 f5 19.Ne6+ Kh8 20.Qf4 Nc6 21.cxd5 Nb4 
22.Nc7 Nxd5 23.Nxd5 Qxd5 24.f3 Qxf3 25.Qxf3 Bxf3 26.Kf2 Bb7 27.Bg2 Bxg2 
28.Kxg2 Kg7 29.Rad1 Rad8 30.Kf3 Rxe1 31.Rxe1 Rxd3+ 32.Ke2 Rd4 33.Kf3 Kf7 
34.Re2 Rd3+ 35.Kf4 h6 36.h4 Rd4+ 37.Kf3 Kf6 38.a3 Re4 39.Rxe4 fxe4+ 40.
Kxe4 Ke6 41.g4 a6 42.b3 b5 43.g5 hxg5 44.hxg5 a5 45.Kd3 Kf5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.1"]
[White "Coro, Lucas"]
[Black "Wang, Annie"]
[Result "1/2-1/2"]
[WhiteElo "2320"]
[BlackElo "2321"]
[ECO "C07"]
[EventDate "2019.08.01"]
[PlyCount "64"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd7 7.O-O Nc6 8.Nb3
Nf6 9.Nbxd4 Nxd4 10.Nxd4 a6 11.Re1 Bc5 12.c3 b5 13.Bb3 O-O 14.Bg5 Bxd4 15.
cxd4 Nd5 16.Qd3 Bb7 17.Qg3 Kh8 18.Rad1 Rac8 19.Qh4 f6 20.Bd2 Qf7 21.Qg4 
Rfe8 22.Re2 Re7 23.Rde1 Rce8 24.Bc2 f5 25.Qg3 h6 26.Bb3 Qf6 27.Re5 Rd8 28.
a3 Kh7 29.h3 Kh8 30.Kh2 Rc8 31.Qd3 Ree8 32.Qg3 Red8 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.2"]
[White "Huang, Andy"]
[Black "Cardoso Cardoso, Jose Gabriel"]
[Result "1/2-1/2"]
[WhiteElo "2263"]
[BlackElo "2373"]
[ECO "B51"]
[EventDate "2019.08.01"]
[PlyCount "71"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.Ba4 Nf6 5.O-O e6 6.Re1 a6 7.c4 Be7 8.Nc3 O-O
9.d4 cxd4 10.Qxd4 Qc7 11.Bxd7 Nxd7 12.Bg5 Bxg5 13.Nxg5 Ne5 14.b3 h6 15.Nf3
Nxf3+ 16.gxf3 e5 17.Nd5 Qd8 18.Qb6 Be6 19.Qxd8 Raxd8 20.Rad1 f5 21.exf5 
Bxd5 22.Rxd5 Rxf5 23.c5 Rxf3 24.cxd6 Rf6 25.Rexe5 Rdxd6 26.Rxd6 Rxd6 27.
Re7 b5 28.Ra7 Kh7 29.Kg2 Kg6 30.Kf3 Re6 31.Kf4 Kf6 32.h4 g6 33.f3 Rc6 34.
Rh7 Rc2 35.a4 Rh2 36.Rb7 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.3"]
[White "Varacalli, Francisco"]
[Black "Santiago Vilca, Christian Amilca"]
[Result "1-0"]
[WhiteElo "2306"]
[BlackElo "2256"]
[ECO "B43"]
[EventDate "2019.08.01"]
[PlyCount "68"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O Qc7 7.Nc3 Nc6 8.Nb3 
b5 9.f4 d6 10.Kh1 Bb7 11.Bd2 Be7 12.Qf3 O-O 13.Rae1 Rad8 14.Qh3 b4 15.Nd1 
Bc8 16.g4 e5 17.f5 d5 18.exd5 e4 19.g5 exd3 20.gxf6 Bxf6 21.dxc6 Qxc6+ 22.
Qg2 Qb5 23.Nf2 dxc2 24.Ne4 Bxb2 25.Bg5 Rd1 26.Rxd1 cxd1=Q 27.Rxd1 Bxf5 28.
Nd6 Qe5 29.Bh4 Bg6 30.Bg3 Qh5 31.Rd5 Qg4 32.h3 Qe6 33.Nc5 Qf6 34.Nd7 Qc3 
1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.4"]
[White "Zhang, Derek"]
[Black "Asaria, Danial"]
[Result "0-1"]
[WhiteElo "2147"]
[BlackElo "2305"]
[ECO "A35"]
[EventDate "2019.08.01"]
[PlyCount "56"]

1.Nf3 c5 2.c4 Nc6 3.e3 e5 4.Nc3 Nf6 5.d4 e4 6.Ne5 h5 7.f3 cxd4 8.exd4 Bb4 
9.fxe4 Nxe5 10.dxe5 Nxe4 11.Qd4 Qa5 12.Bd2 Nxd2 13.Kxd2 O-O 14.Bd3 d6 15.
exd6 Rd8 16.Kc2 Rxd6 17.Qe3 Bf5 18.Nd5 Rxd5 19.cxd5 Rc8+ 20.Kb1 Qxd5 21.
Rd1 Rd8 22.a3 Bc5 23.Bxf5 Qxf5+ 24.Ka2 Bxe3 25.Rxd8+ Kh7 26.Re1 Qf2 27.
Red1 Qxg2 28.R8d7 f5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.5"]
[White "Lu, Maximillian"]
[Black "Johnson, Joshua"]
[Result "1-0"]
[WhiteElo "2283"]
[BlackElo "2241"]
[ECO "A93"]
[EventDate "2019.08.01"]
[PlyCount "58"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.d4 O-O 6.Qc2 c6 7.O-O Ne4 8.b3 f5 9.
Bb2 Nd7 10.Ne1 Nd6 11.Nd3 g5 12.Nd2 Qe8 13.Rae1 Qh5 14.f3 f4 15.e4 fxe3 
16.Rxe3 Rf6 17.Rfe1 Nf8 18.R3e2 Qg6 19.Nf1 Qg7 20.Ne3 Ng6 21.Ng4 Rf8 22.
Nc5 e5 23.Nxe5 Nxe5 24.Rxe5 Bf6 25.cxd5 Bf5 26.Qd2 Bxe5 27.dxe5 Rfe8 28.
exd6 Rxe1+ 29.Kf2 Rd8 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.6"]
[White "Bolanos, Fernando"]
[Black "Munoz, Francisco Javier"]
[Result "0-1"]
[WhiteElo "2247"]
[BlackElo "2282"]
[ECO "B01"]
[EventDate "2019.08.01"]
[PlyCount "70"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.g3 Nf6 5.Bg2 g6 6.d3 Bg7 7.Ne2 O-O 8.O-O 
Qh5 9.Nf4 Qxd1 10.Rxd1 c6 11.Re1 Re8 12.a4 e5 13.Nfe2 Na6 14.Bd2 Nb4 15.
Rac1 a5 16.Nd1 Nfd5 17.Ne3 Nb6 18.Nc3 f5 19.b3 Be6 20.Nb1 Bf8 21.Re2 Bc5 
22.Rce1 Bf7 23.Bc3 Bd4 24.Nd1 Bxc3 25.Ndxc3 Nd7 26.Na3 Kg7 27.Nab1 g5 28.
Nd2 Kf6 29.g4 e4 30.dxe4 fxg4 31.e5+ Rxe5 32.Rxe5 Nxe5 33.Nce4+ Kg6 34.
Nxg5 Re8 35.Nxf7 Nf3+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.7"]
[White "Vivas Zamora, Fabian Ernesto"]
[Black "Castellanos Villela, Alejandro"]
[Result "1-0"]
[WhiteElo "2348"]
[BlackElo "1985"]
[ECO "B23"]
[EventDate "2019.08.01"]
[PlyCount "91"]

1.e4 c5 2.Nc3 Nc6 3.Bb5 Nd4 4.Nf3 a6 5.Bc4 b5 6.Bd5 Rb8 7.Nxd4 cxd4 8.Ne2 
Nf6 9.Nxd4 e6 10.Bb3 Nxe4 11.c3 Bb7 12.O-O Be7 13.d3 Nc5 14.Bc2 d5 15.b4 
Nd7 16.a4 bxa4 17.Bxa4 Qc7 18.Qg4 g5 19.Nxe6 fxe6 20.Re1 Kd8 21.Rxe6 h5 
22.Qd4 Rg8 23.h4 Nf8 24.Re5 Qd6 25.Rxg5 Bf6 26.Bf4 Rxg5 27.Bxd6 Bxd4 28.
hxg5 Bxc3 29.Rc1 Rc8 30.Bxf8 d4 31.g6 Bd5 32.Bc5 a5 33.Bb6+ Ke7 34.bxa5 
Rg8 35.f3 Rxg6 36.Kf2 Kd6 37.Rh1 Re6 38.Rxh5 Be1+ 39.Kg1 Bg3 40.Rxd5+ Ke7 
41.Rd7+ Kf6 42.Bxd4+ Kf5 43.Rf7+ Kg5 44.Rg7+ Kh4 45.Rg4+ Kh5 46.Rxg3 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.8"]
[White "Torrico, Alexis"]
[Black "Acosta, Pablo Ismael"]
[Result "0-1"]
[WhiteElo "1847"]
[BlackElo "2440"]
[ECO "E11"]
[EventDate "2019.08.01"]
[PlyCount "100"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 O-O 5.a3 Bxd2+ 6.Bxd2 b6 7.e3 Bb7 8.Bd3
Ne4 9.O-O f5 10.Be1 Rf6 11.Nd2 Rg6 12.f3 Qg5 13.Qe2 Nf6 14.Bg3 d6 15.Bf4 
Qh5 16.e4 Nc6 17.Qf2 Nxd4 18.Qxd4 e5 19.Bxe5 dxe5 20.Qc3 Rh6 21.h3 Qg5 22.
Kh1 Nh5 23.Rf2 Ng3+ 24.Kh2 Qe3 25.Kg1 Rd6 26.Bf1 f4 27.c5 Qxc5 28.Qxc5 
bxc5 29.Nc4 Rd4 30.Nxe5 Re8 31.Nd3 Ba6 32.Nxc5 Bxf1 33.Raxf1 Nxf1 34.Rxf1 
Kf7 35.b4 Rd2 36.Rf2 Red8 37.e5 Rxf2 38.Kxf2 Rd2+ 39.Kf1 Ke7 40.h4 Rc2 41.
Nd3 Ke6 42.Ke1 Kf5 43.e6 Kxe6 44.Nxf4+ Ke5 45.Kd1 Ra2 46.Nd3+ Kd4 47.Nf4 
c6 48.Ne6+ Kd3 49.Nc5+ Ke3 50.a4 Rxg2 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.9"]
[White "Tello Chavez, Isaac Valent"]
[Black "Vera, Pavel"]
[Result "1/2-1/2"]
[WhiteElo "2271"]
[BlackElo "2173"]
[ECO "A45"]
[EventDate "2019.08.01"]
[PlyCount "96"]

1.d4 Nf6 2.Bg5 c5 3.Bxf6 gxf6 4.d5 Qb6 5.Qc1 f5 6.g3 Bh6 7.e3 d6 8.Bg2 e5 
9.Ne2 Nd7 10.O-O Bg7 11.c4 e4 12.Nbc3 Ne5 13.Qc2 Bd7 14.b3 O-O-O 15.Rab1 
h5 16.h4 Bf6 17.Na4 Qa6 18.Nec3 Rdg8 19.b4 cxb4 20.Rxb4 Nd3 21.Rfb1 Nxb4 
22.Rxb4 b6 23.Nb5 Be5 24.Qb3 Bxb5 25.Rxb5 Kd8 26.c5 dxc5 27.d6 Bxd6 28.Bf1
Qc8 29.Qxf7 Qd7 30.Qf6+ Qe7 31.Qxf5 Qe5 32.Bh3 Rxg3+ 33.Kf1 Qxf5 34.Bxf5 
Rg7 35.Nc3 Rf8 36.Bxe4 Bg3 37.Rb2 Bxh4 38.Nd5 c4 39.Nf4 c3 40.Rc2 Rxf4 41.
exf4 Bf6 42.Rc1 Rd7 43.Rc2 h4 44.Kg2 Rg7+ 45.Kf3 Rg1 46.Bf5 b5 47.Re2 b4 
48.Re6 Be7 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.10"]
[White "Flores Quillas, Diego Saul Rodri"]
[Black "Delgado Romero, Marco"]
[Result "0-1"]
[WhiteElo "2163"]
[BlackElo "2236"]
[ECO "B27"]
[EventDate "2019.08.01"]
[PlyCount "66"]

1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Qxd4 Nf6 5.Nc3 Nc6 6.Qa4 d6 7.e5 dxe5 8.Nxe5 
Bd7 9.Nxd7 Nxd7 10.Be3 Nb6 11.Qh4 Bg7 12.Bb5 O-O 13.Rd1 Qc7 14.O-O a6 15.
Bxc6 Qxc6 16.Qxe7 Nc4 17.Nd5 Nxb2 18.Rd4 Rae8 19.Qb4 Bxd4 20.Qxd4 f5 21.
Nb4 Qf6 22.Qxf6 Rxf6 23.Bd4 Rd6 24.Bxb2 a5 25.Nd3 Re2 26.Ba3 Rc6 27.Nc1 
Rc4 28.Bb2 b5 29.g3 Ree4 30.Nd3 Rxc2 31.Rc1 Ree2 32.Rxc2 Rxc2 33.Kf1 Rd2 
0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.11"]
[White "Donoso Diaz, Sebastian"]
[Black "Davila Blanco, Juan Jose"]
[Result "1-0"]
[WhiteElo "2309"]
[BlackElo "2052"]
[ECO "A34"]
[EventDate "2019.08.01"]
[PlyCount "65"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 b6 4.e3 Bb7 5.d4 cxd4 6.exd4 g6 7.d5 d6 8.Be2 Bg7 
9.O-O Nbd7 10.Re1 O-O 11.Bg5 h6 12.Bh4 Rc8 13.Rc1 Ng4 14.Nd4 Nge5 15.f4 
Nxc4 16.Nc6 Nxb2 17.Qb3 Bxc6 18.dxc6 Rxc6 19.Bb5 Rc7 20.Bf2 Rc8 21.Qxb2 e6
22.Bxd7 Qxd7 23.Qb5 Qb7 24.Qb4 d5 25.Nb5 Rxc1 26.Rxc1 Rc8 27.Qb2 Rxc1+ 28.
Qxc1 Qd7 29.a4 a6 30.Qc7 Qxc7 31.Nxc7 b5 32.Nxb5 axb5 33.axb5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.12"]
[White "Pinto, Daniel"]
[Black "Caballero Quijano, Mitzy Mishell"]
[Result "1/2-1/2"]
[WhiteElo "2257"]
[BlackElo "2059"]
[ECO "A08"]
[EventDate "2019.08.01"]
[PlyCount "74"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 c5 4.O-O Nc6 5.b3 g6 6.c4 d4 7.e3 Bg7 8.exd4 cxd4 
9.d3 O-O 10.Re1 Nd7 11.Na3 Re8 12.Rb1 a5 13.Nb5 Nc5 14.a3 Bf5 15.Bf1 e5 
16.Ng5 Qd7 17.f3 h6 18.Ne4 Nxe4 19.fxe4 Be6 20.Bg2 Na7 21.a4 Nc6 22.Rb2 
Nb4 23.Rf2 b6 24.Ref1 Na6 25.h3 Nc5 26.Kh2 Rf8 27.g4 g5 28.Na3 f6 29.Nb1 
Rf7 30.Ba3 Qc6 31.Bxc5 bxc5 32.Na3 Qd7 33.Qd2 Bh8 34.Bf3 h5 35.Kg3 h4+ 36.
Kg2 Bg7 37.Bd1 Rff8 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.13"]
[White "Rengifo Blancas, Renzo Jhonathan"]
[Black "Guerrero Cataldo, Juan Andres"]
[Result "1-0"]
[WhiteElo "2194"]
[BlackElo "2035"]
[ECO "B22"]
[EventDate "2019.08.01"]
[PlyCount "75"]

1.e4 c5 2.Nf3 Nc6 3.c3 Nf6 4.e5 Nd5 5.d4 cxd4 6.cxd4 g6 7.Qb3 e6 8.Nc3 
Nxc3 9.bxc3 d6 10.exd6 Bxd6 11.Bh6 Bd7 12.Bd3 Qa5 13.O-O Qh5 14.Bg7 Rg8 
15.Bf6 Na5 16.Qd1 Bc6 17.Ne5 Qxd1 18.Rfxd1 Ba4 19.Re1 Rc8 20.d5 Rxc3 21.
Rac1 Rxc1 22.Rxc1 Bxe5 23.Bxe5 Bd7 24.Rc5 b6 25.Rc7 exd5 26.Bf6 Nc4 27.
Rxa7 Bc8 28.Rc7 Bd7 29.Ra7 Bc8 30.a4 h5 31.h4 Nd6 32.Re7+ Kd8 33.Rxf7+ Ke8
34.Re7+ Kf8 35.Rc7 Ke8 36.Bb5+ Kf8 37.Be7+ Kg7 38.Bxd6+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.14"]
[White "Titichoca Daza, Daniel"]
[Black "Tapia Espada, Antonio Enrique"]
[Result "1-0"]
[WhiteElo "2143"]
[BlackElo "1506"]
[ECO "C55"]
[EventDate "2019.08.01"]
[PlyCount "32"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.c3 d6 6.Bb3 Na5 7.Bc2 c5 8.Nbd2 Nc6
9.Nf1 Be6 10.h3 b5 11.Ng5 d5 12.Nxe6 fxe6 13.Qe2 d4 14.Bb3 Qa5 15.Bd2 dxc3
16.bxc3 b4 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.15"]
[White "Montevilla Cahuasa, Jonathan I"]
[Black "Benitez Galeano, Alejandro"]
[Result "0-1"]
[WhiteElo "1231"]
[BlackElo "2111"]
[ECO "E68"]
[EventDate "2019.08.01"]
[PlyCount "74"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 O-O 5.e4 d6 6.g3 e5 7.Bg2 exd4 8.Nxd4 Re8
9.O-O Nbd7 10.Rb1 a5 11.Re1 c6 12.Bf4 Ne5 13.b3 Nfd7 14.Qd2 Nc5 15.Re3 g5 
16.Bxe5 dxe5 17.Nf3 Qf6 18.Rd1 g4 19.Ne1 Bh6 20.Qe2 Bxe3 21.Qxe3 Ne6 22.
Nc2 Rd8 23.Qe2 Nd4 24.Nxd4 Rxd4 25.c5 Be6 26.Rxd4 exd4 27.Na4 Qg5 28.Qd3 
Rd8 29.Bf1 Kg7 30.Kg2 f5 31.e5 f4 32.gxf4 Qxf4 33.Qg3 Bd5+ 34.Kg1 Qe4 35.
Bg2 Qxg2+ 36.Qxg2 Bxg2 37.Kxg2 d3 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.16"]
[White "Ticona Rocabado, Licael Roderick"]
[Black "Aguilar, Luis Miguel"]
[Result "0-1"]
[WhiteElo "1693"]
[BlackElo "2204"]
[ECO "A40"]
[EventDate "2019.08.01"]
[PlyCount "38"]

1.d4 g6 2.Nf3 Bg7 3.e3 c5 4.Be2 Nf6 5.O-O cxd4 6.exd4 O-O 7.c3 d6 8.Bf4 h6
9.h3 b6 10.Nbd2 Bb7 11.Re1 Nbd7 12.Qc2 Qc7 13.Rac1 Rac8 14.Bh2 e5 15.dxe5 
dxe5 16.Bd3 Qc6 17.Ne4 Nd5 18.Ned2 f5 19.Qb3 Nc5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.17"]
[White "Mendoza Criollo, Carlos David"]
[Black "Ccerhuayo Escobedo, Mels Leopold"]
[Result "1-0"]
[WhiteElo "2103"]
[BlackElo "1820"]
[ECO "E36"]
[EventDate "2019.08.01"]
[PlyCount "86"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3+ 6.Qxc3 d5 7.e3 dxc4 8.Bxc4
b6 9.Ne2 Bb7 10.O-O Nbd7 11.b4 Rc8 12.Bb2 Qe7 13.Ng3 c5 14.Rac1 cxb4 15.
Qxb4 Rfe8 16.Bd3 Qf8 17.Rfd1 Rxc1 18.Rxc1 Rc8 19.Qa4 Rxc1+ 20.Bxc1 Qc8 21.
Bd2 Qc6 22.Qxc6 Bxc6 23.f3 a5 24.e4 Ne8 25.Ne2 Nd6 26.Nc3 e5 27.d5 Bb7 28.
Na4 f5 29.Be3 fxe4 30.fxe4 b5 31.Nc5 Bc8 32.Nxd7 Bxd7 33.Bb6 Nb7 34.Bc7 
Nc5 35.Bb1 b4 36.axb4 axb4 37.Bxe5 b3 38.Bd4 Nb7 39.e5 Be8 40.Kf2 Na5 41.
Bd3 Bf7 42.d6 Bg6 43.Bxg6 hxg6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.18"]
[White "Barja Viveros, Matias Ariel"]
[Black "Medrano, Sebastian"]
[Result "0-1"]
[WhiteElo "1544"]
[BlackElo "2086"]
[ECO "A46"]
[EventDate "2019.08.01"]
[PlyCount "77"]

1.d4 Nf6 2.Nf3 e6 3.Bg5 b6 4.e4 h6 5.Bxf6 Qxf6 6.Bd3 Bb7 7.Nbd2 g6 8.c3 
Bg7 9.Qe2 Qe7 10.O-O-O d6 11.Rhe1 Nd7 12.d5 O-O-O 13.Bb5 exd5 14.exd5 Qxe2
15.Rxe2 Bxd5 16.Nd4 Bxd4 17.cxd4 Rde8 18.Rde1 Kd8 19.f3 Rxe2 20.Rxe2 Re8 
21.Ne4 Re6 22.Nc3 Rxe2 23.Bxe2 Bb7 24.Bc4 Ke7 25.Nd5+ Bxd5 26.Bxd5 c5 27.
Kd2 g5 28.Kd3 Nf6 29.Bc6 d5 30.Ba4 Kd6 31.Bc2 Ne8 32.a3 Nc7 33.dxc5+ bxc5 
34.b4 c4+ 35.Ke3 Ke5 36.a4 d4+ 37.Kd2 d3 38.Bxd3 cxd3 39.Kxd3 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.19"]
[White "Araujo Miranda, Styven Sandro"]
[Black "Mollo, Jhoan"]
[Result "0-1"]
[WhiteElo "1347"]
[BlackElo "2023"]
[ECO "D10"]
[EventDate "2019.08.01"]
[PlyCount "56"]

1.c4 c6 2.d4 d5 3.c5 Nf6 4.Nf3 g6 5.b4 Bg7 6.Bb2 O-O 7.e3 Bg4 8.Be2 Nbd7 
9.Nbd2 Re8 10.O-O Qc7 11.Qc2 Bf5 12.Bd3 Bxd3 13.Qxd3 Nh5 14.Rfe1 e5 15.
dxe5 Nxe5 16.Bxe5 Bxe5 17.Nxe5 Qxe5 18.Qd4 Qe7 19.g4 Ng7 20.Qf4 Ne6 21.Qg3
Ng5 22.f3 a5 23.h4 Ne6 24.a3 Qf6 25.Nb3 axb4 26.axb4 Rxa1 27.Rxa1 Qb2 28.
Qe1 Qxb3 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.20"]
[White "Huanca, Edson"]
[Black "Santiago Vilca, Lito Gustavo"]
[Result "1-0"]
[WhiteElo "1948"]
[BlackElo "1818"]
[ECO "B23"]
[EventDate "2019.08.01"]
[PlyCount "63"]

1.e4 c5 2.Nc3 e6 3.Nge2 Nc6 4.g3 a6 5.Bg2 g6 6.O-O Bg7 7.d3 Nge7 8.Be3 d6 
9.Qd2 O-O 10.Bh6 b5 11.Bxg7 Kxg7 12.f4 Bb7 13.g4 f5 14.h3 b4 15.Nd1 d5 16.
exf5 exf5 17.Ne3 Rc8 18.Ng3 Nd4 19.Kh2 Rc7 20.Rf2 Bc8 21.Rg1 Ndc6 22.Qd1 
d4 23.Nc4 fxg4 24.hxg4 Nd5 25.Bxd5 Qxd5 26.Ne4 Qd8 27.g5 Rcf7 28.Rgf1 Qd7 
29.Qf3 Rxf4 30.Qxf4 Qh3+ 31.Kg1 Rxf4 32.Rxf4 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.21"]
[White "Zambrana Estrada, Breyner Andre"]
[Black "Cari, Nicolas"]
[Result "0-1"]
[WhiteElo "1426"]
[BlackElo "1788"]
[ECO "A51"]
[EventDate "2019.08.01"]
[PlyCount "41"]

1.d4 Nf6 2.c4 e5 3.e3 Bb4+ 4.Nd2 exd4 5.exd4 O-O 6.Nf3 Re8+ 7.Be2 Qe7 8.a3
Bxd2+ 9.Bxd2 d5 10.Ne5 c5 11.Be3 cxd4 12.Qxd4 Qxe5 13.Qxe5 Rxe5 14.Bf4 Re4
15.Bg3 Nc6 16.f3 Re7 17.Kf2 d4 18.Bd6 Rd7 19.c5 a5 20.Bd3 Ne8 21.Bf5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.22"]
[White "Inaicheo Santana, Edward"]
[Black "Araujo, Amilcar"]
[Result "1-0"]
[WhiteElo "1635"]
[BlackElo "1530"]
[ECO "A48"]
[EventDate "2019.08.01"]
[PlyCount "52"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.Be2 Bg4 6.h3 Bxf3 7.Bxf3 c6 8.O-O 
Nbd7 9.Bh2 O-O 10.c4 e5 11.dxe5 dxe5 12.Be2 Ne8 13.Nc3 Qe7 14.Qb3 Rd8 15.
Rfd1 f5 16.Rd2 Bh6 17.Bf1 f4 18.exf4 Bxf4 19.Bxf4 Rxf4 20.Re2 Qg5 21.Ne4 
Rxe4 22.Rxe4 Nef6 23.Re3 Rf8 24.Rae1 Qf4 25.c5+ Kh8 26.g3 Qf5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.23"]
[White "Villazon Zeballos, Manuel"]
[Black "Janco Fernandez, Marcelo Ruben"]
[Result "1-0"]
[WhiteElo "1378"]
[BlackElo "1095"]
[ECO "A80"]
[EventDate "2019.08.01"]
[PlyCount "38"]

1.d4 f5 2.Nf3 Nf6 3.e3 d5 4.Bd3 e6 5.Nbd2 Bd6 6.b3 O-O 7.O-O Nc6 8.c4 Ne4 
9.Bb2 Nb4 10.Bb1 dxc4 11.Nxc4 Bd7 12.a3 Nd5 13.Bxe4 fxe4 14.Nfe5 Bxe5 15.
Nxe5 Nf6 16.Qc2 Bb5 17.Rfd1 Ba6 18.Rac1 Re8 19.a4 Nd5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.24"]
[White "Zubieta Echalar, Eduardo"]
[Black "Montevilla C., Elias Alejandro"]
[Result "0-1"]
[WhiteElo "1329"]
[BlackElo "1326"]
[ECO "B09"]
[EventDate "2019.08.01"]
[PlyCount "53"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Bd3 O-O 6.Nf3 Bg4 7.O-O c5 8.d5 a6 9.
a4 Nbd7 10.h3 Bxf3 11.Qxf3 Qc7 12.Bd2 c4 13.Be2 Rab8 14.a5 Qc5+ 15.Kh1 Ne8
16.Na4 Qc8 17.Bc3 Bxc3 18.Qxc3 Ndf6 19.Qd4 Qc7 20.Nc3 Rc8 21.Bg4 Nxg4 22.
hxg4 f5 23.exf5 gxf5 24.gxf5 Rxf5 25.g4 Rf8 26.g5 Qd8 27.Rf2 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.03"]
[Round "5.25"]
[White "Teran Medina, Marcelo"]
[Black "Moreno, Alejandro"]
[Result "1/2-1/2"]
[WhiteElo "1506"]
[BlackElo "1477"]
[ECO "C26"]
[EventDate "2019.08.01"]
[PlyCount "63"]

1.e4 e5 2.Bc4 Nf6 3.Nc3 Bc5 4.Nf3 d6 5.O-O O-O 6.d3 h6 7.Be3 Bb6 8.Bxb6 
axb6 9.d4 Nbd7 10.Re1 Re8 11.Bf1 c6 12.Qd2 exd4 13.Qxd4 Nc5 14.e5 dxe5 15.
Qxd8 Rxd8 16.Nxe5 Bf5 17.Nc4 b5 18.Ne3 Bg6 19.a3 Rd2 20.Re2 Rad8 21.Rd1 
Rxd1 22.Nexd1 Nce4 23.f3 Nc5 24.Nf2 Ne6 25.Nce4 Nxe4 26.Nxe4 Rd1 27.c3 Ng5
28.Rd2 Rxd2 29.Nxd2 Ne6 30.Kf2 Nc5 31.Ke3 Na4 32.c4 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.1"]
[White "Wang, Annie"]
[Black "Varacalli, Francisco"]
[Result "1/2-1/2"]
[WhiteElo "2321"]
[BlackElo "2306"]
[ECO "E73"]
[EventDate "2019.08.01"]
[PlyCount "58"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Be3 a6 7.Nf3 c6 8.a4 a5 9.
O-O Na6 10.h3 e5 11.Qd2 exd4 12.Nxd4 Nc5 13.f3 Qe7 14.Rad1 Ne8 15.Rfe1 Bf6
16.Bh6 Bg7 17.Bf1 Bxh6 18.Qxh6 Qf6 19.f4 Qg7 20.Qh4 f6 21.Nf3 Ne6 22.Qg3 
Bd7 23.Bd3 Rb8 24.Bc2 Bc8 25.Ne2 Nc5 26.Nfd4 Nc7 27.Qf2 N7e6 28.Nxe6 Nxe6 
29.Qg3 Re8 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.2"]
[White "Munoz, Francisco Javier"]
[Black "Coro, Lucas"]
[Result "1/2-1/2"]
[WhiteElo "2282"]
[BlackElo "2320"]
[ECO "B22"]
[EventDate "2019.08.01"]
[PlyCount "35"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 e6 6.Na3 Nc6 7.Be3 cxd4 8.Nb5 
Qd8 9.Nbxd4 Nd5 10.Bg5 f6 11.Nxc6 bxc6 12.Bd2 e5 13.Qc2 g6 14.Bd3 Bg7 15.
c4 Ne7 16.Bc3 Qc7 17.O-O-O Be6 18.Rhe1 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.3"]
[White "Asaria, Danial"]
[Black "Lu, Maximillian"]
[Result "1/2-1/2"]
[WhiteElo "2305"]
[BlackElo "2283"]
[ECO "E60"]
[EventDate "2019.08.01"]
[PlyCount "68"]

1.d4 Nf6 2.c4 g6 3.f3 Nc6 4.d5 Ne5 5.e4 e6 6.Nc3 Bc5 7.Bf4 d6 8.Qd2 Bd7 9.
O-O-O Nh5 10.Bg5 Qb8 11.Be2 a6 12.g4 h6 13.Be3 Bxe3 14.Qxe3 Nf6 15.h3 g5 
16.f4 gxf4 17.Qxf4 Qd8 18.dxe6 Bxe6 19.c5 Nfd7 20.cxd6 cxd6 21.Kb1 Qg5 22.
Qf2 Qg6 23.Nf3 Nxf3 24.Bxf3 Qf6 25.Qe2 Ne5 26.Bg2 Rc8 27.Nd5 Bxd5 28.exd5 
Kd7 29.Rhf1 Qg7 30.Rf5 Rc5 31.Qf2 Rhc8 32.Be4 Nc4 33.Bd3 Ne5 34.Be4 Rf8 
1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.4"]
[White "Acosta, Pablo Ismael"]
[Black "Huang, Andy"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2263"]
[ECO "A11"]
[EventDate "2019.08.01"]
[PlyCount "70"]

1.c4 c6 2.g3 d5 3.Bg2 Nf6 4.Nf3 Bg4 5.cxd5 Bxf3 6.Bxf3 cxd5 7.O-O Nc6 8.
Nc3 e6 9.d3 Be7 10.e4 d4 11.Ne2 O-O 12.Qb3 Nd7 13.Bg2 Nc5 14.Qd1 Qb6 15.f4
f5 16.exf5 exf5 17.a3 Bf6 18.Rb1 Rfd8 19.b4 Qb5 20.Qc2 Na4 21.Bd2 Rac8 22.
Qb3+ Kh8 23.Rfc1 Re8 24.Bf1 Ne7 25.Rxc8 Rxc8 26.Rc1 Rxc1 27.Nxc1 Nc3 28.
Bg2 a5 29.bxa5 Qxa5 30.Bxb7 h6 31.Kg2 Qc7 32.Bf3 Kh7 33.Qc4 Qa5 34.Qb3 Qa6
35.Bb7 Qa7 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.5"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Vivas Zamora, Fabian Ernesto"]
[Result "1-0"]
[WhiteElo "2373"]
[BlackElo "2348"]
[ECO "D85"]
[EventDate "2019.08.01"]
[PlyCount "61"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Nf3 c5 8.Be3 
Qa5 9.Nd2 cxd4 10.Nc4 dxe3 11.Nxa5 Bxc3+ 12.Ke2 Bxa5 13.Kxe3 O-O 14.Bb5 a6
15.Ba4 b5 16.Qd5 Ra7 17.Bb3 Rd7 18.Qc5 Rd6 19.Qa3 Bd2+ 20.Ke2 b4 21.Qa5 
Nc6 22.Qc5 Nd4+ 23.Kf1 Bc3 24.Rb1 a5 25.h3 Ba6+ 26.Kg1 Ne2+ 27.Kh2 Bd4 28.
Qxa5 Bxf2 29.Rhd1 Bd3 30.e5 Ra6 31.Qxb4 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.6"]
[White "Delgado Romero, Marco"]
[Black "Santiago Vilca, Christian Amilca"]
[Result "0-1"]
[WhiteElo "2236"]
[BlackElo "2256"]
[ECO "E90"]
[EventDate "2019.08.01"]
[PlyCount "103"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 O-O 6.Be3 c5 7.Nf3 cxd4 8.Nxd4 Nc6
9.Be2 Bd7 10.O-O Nxd4 11.Bxd4 Bc6 12.Qc2 a5 13.Rad1 Nd7 14.Bxg7 Kxg7 15.
Bg4 Nf6 16.c5 Nxg4 17.hxg4 Qc8 18.cxd6 Qxg4 19.dxe7 Rfe8 20.Nd5 Bxd5 21.
Rxd5 Rxe7 22.Qc3+ Kg8 23.f3 Qf4 24.Rxa5 Rxa5 25.Qxa5 Qe3+ 26.Kh2 Rd7 27.
Qe1 Qf4+ 28.Kg1 Rd3 29.g3 Qe5 30.b3 Qd4+ 31.Kg2 h5 32.Rf2 Rd1 33.Qe2 Qa1 
34.f4 h4 35.gxh4 Rg1+ 36.Kh2 Rh1+ 37.Kg3 Re1 38.Qf3 Qd4 39.Re2 Rd1 40.Qf2 
Qd8 41.e5 Rh1 42.Kg4 Qd7+ 43.f5 gxf5+ 44.Kg3 Rd1 45.Qf4 Rd4 46.Qg5+ Kh7 
47.Qh5+ Kg7 48.Qg5+ Kh7 49.Kh3 Rg4 50.Rd2 Qc8 51.Qd8 Qc3+ 52.Qd3 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.7"]
[White "Donoso Diaz, Sebastian"]
[Black "Zhang, Derek"]
[Result "1/2-1/2"]
[WhiteElo "2309"]
[BlackElo "2147"]
[ECO "A88"]
[EventDate "2019.08.01"]
[PlyCount "50"]

1.Nf3 d6 2.d4 f5 3.c4 g6 4.Nc3 Nf6 5.g3 Bg7 6.Bg2 O-O 7.O-O c6 8.b3 Qc7 9.
Ba3 a5 10.Rc1 Na6 11.Bb2 Bd7 12.e3 Rfe8 13.Qe2 e5 14.dxe5 dxe5 15.Rfd1 e4 
16.Ng5 Nb4 17.c5 Nd3 18.Rxd3 exd3 19.Qxd3 Be6 20.Nxe6 Rxe6 21.Ne2 Re7 22.
Nd4 Rc8 23.a3 Ne4 24.b4 axb4 25.axb4 Ng5 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.8"]
[White "Benitez Galeano, Alejandro"]
[Black "Tello Chavez, Isaac Valent"]
[Result "1-0"]
[WhiteElo "2111"]
[BlackElo "2271"]
[ECO "A11"]
[EventDate "2019.08.01"]
[PlyCount "140"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 c6 4.O-O Bg4 5.c4 e6 6.cxd5 exd5 7.d3 Nbd7 8.h3 
Bxf3 9.Bxf3 Bc5 10.Bg2 O-O 11.Nc3 Re8 12.Rb1 a5 13.Qc2 d4 14.Ne4 Be7 15.
Re1 h6 16.b3 Bb4 17.Nd2 Bc3 18.e4 dxe3 19.Qxc3 exd2 20.Bxd2 Rxe1+ 21.Rxe1 
Nb6 22.a3 Qd6 23.Bf4 Qxa3 24.Ra1 Qf8 25.Rxa5 Nbd5 26.Rxa8 Qxa8 27.Qe5 Nxf4
28.Qxf4 Qd8 29.Qc4 Ne8 30.d4 Qe7 31.Kh2 Nd6 32.Qc5 Nc8 33.b4 Kf8 34.b5 
Qxc5 35.dxc5 cxb5 36.Bxb7 Ne7 37.Kg2 Ke8 38.Kf3 Kd7 39.Ke3 Nc6 40.Ba6 b4 
41.Bc4 f6 42.Bd5 Na5 43.Kd4 Kc7 44.h4 Nc6+ 45.Ke4 Ne7 46.Bf7 Nc6 47.h5 Nd8
48.Bd5 Nb7 49.Kf5 Nxc5 50.Kg6 Kd6 51.Ba2 b3 52.Bb1 Ne6 53.f4 f5 54.Bxf5 
Ke7 55.Bb1 Kf8 56.f5 Ng5 57.f6 gxf6 58.Kxh6 Kf7 59.Bg6+ Kf8 60.Bd3 b2 61.
Kg6 Ke7 62.h6 Ke6 63.h7 Nxh7 64.Kxh7 Ke5 65.Kg6 Kd4 66.Bb1 Ke3 67.Kh5 Kf3 
68.Kh4 Kg2 69.Be4+ Kh2 70.Kg4 Kg1 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.9"]
[White "Castellanos Villela, Alejandro"]
[Black "Bolanos, Fernando"]
[Result "0-1"]
[WhiteElo "1985"]
[BlackElo "2247"]
[ECO "B25"]
[EventDate "2019.08.01"]
[PlyCount "108"]

1.e4 c5 2.Nc3 Nc6 3.Nge2 g6 4.g3 Bg7 5.Bg2 d6 6.d3 e6 7.Be3 Nge7 8.Qd2 Nd4
9.O-O O-O 10.Rab1 Nec6 11.a3 b6 12.b4 Bb7 13.Nc1 Qf6 14.f4 Nf3+ 15.Bxf3 
Qxc3 16.Qxc3 Bxc3 17.bxc5 dxc5 18.Bxc5 Bd4+ 19.Bxd4 Nxd4 20.Bd1 Rac8 21.
Rf2 Rc3 22.Rb4 Rxa3 23.Rxd4 Ra1 24.Nb3 Rxd1+ 25.Rf1 Rxf1+ 26.Kxf1 Bc6 27.
Ke1 Rc8 28.Rc4 Bd7 29.Rxc8+ Bxc8 30.e5 h6 31.Nd2 Kg7 32.Ne4 Bb7 33.Nd6 Bc6
34.Nc8 a5 35.Nxb6 g5 36.f5 exf5 37.d4 a4 38.Kd2 f4 39.gxf4 a3 40.Kc1 gxf4 
41.Nc4 f3 42.Ne3 f2 43.c4 Bg2 44.c5 f1=Q+ 45.Nxf1 Bxf1 46.Kc2 f6 47.exf6+ 
Kxf6 48.c6 Ke6 49.c7 Kd7 50.Kb3 Kxc7 51.Kxa3 Kd6 52.Kb3 Kd5 53.Kc3 Ba6 54.
Kd2 Kxd4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.10"]
[White "Johnson, Joshua"]
[Black "Titichoca Daza, Daniel"]
[Result "0-1"]
[WhiteElo "2241"]
[BlackElo "2143"]
[ECO "B33"]
[EventDate "2019.08.01"]
[PlyCount "16"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qb6 5.Nb3 Nf6 6.Nc3 g6 7.Qd2 d6 8.a4 a6
0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.11"]
[White "Vera, Pavel"]
[Black "Rengifo Blancas, Renzo Jhonathan"]
[Result "0-1"]
[WhiteElo "2173"]
[BlackElo "2194"]
[ECO "C54"]
[EventDate "2019.08.01"]
[PlyCount "84"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 a6 6.a4 O-O 7.O-O h6 8.b4 Bb6 9.
Re1 d6 10.Nbd2 d5 11.exd5 Nxd5 12.Ne4 Be6 13.Qc2 Re8 14.Bd2 f6 15.h3 Kh8 
16.Ng3 Qd7 17.Ba2 Nf4 18.Bxf4 exf4 19.Bxe6 Rxe6 20.Rxe6 Qxe6 21.Re1 Ne5 
22.Nxe5 fxe5 23.Nf1 f3 24.d4 fxg2 25.Ng3 Qc4 26.dxe5 Rf8 27.Ne4 Qe6 28.
Kxg2 Qxe5 29.Re2 Qf5 30.Ng3 Qf3+ 31.Kh2 Bxf2 32.Nh1 Be3 33.Qd1 Qf4+ 34.Ng3
Bf2 35.Qd3 Qc1 36.h4 Qf4 37.Kh3 Qf3 38.Qxf3 Rxf3 39.Kg2 Rxg3+ 40.Kxf2 Rxc3
41.Re8+ Kh7 42.Rd8 b6 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.12"]
[White "Mollo, Jhoan"]
[Black "Pinto, Daniel"]
[Result "1/2-1/2"]
[WhiteElo "2023"]
[BlackElo "2257"]
[ECO "C67"]
[EventDate "2019.08.01"]
[PlyCount "76"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.
Qxd8+ Kxd8 9.Rd1+ Ke8 10.Nc3 h6 11.b3 Be6 12.Bb2 a5 13.g4 Ne7 14.h3 Ng6 
15.Ne2 h5 16.Ng5 Bc5 17.Bd4 Bxd4 18.Nxd4 hxg4 19.Ndxe6 fxe6 20.Nxe6 Ke7 
21.Nc5 Nxe5 22.hxg4 Rh4 23.Nxb7 Re8 24.Re1 Kf6 25.Re3 Reh8 26.Rae1 Nxg4 
27.Re8 R8h5 28.Kf1 Rb5 29.Nd8 Ne5 30.c4 Rh1+ 31.Ke2 Rxe1+ 32.Kxe1 Rb6 33.
Re6+ Kf5 34.Re7 a4 35.Rxg7 Rb8 36.Nxc6 Nxc6 37.Rxc7 axb3 38.axb3 Nb4 
1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.13"]
[White "Aguilar, Luis Miguel"]
[Black "Mendoza Criollo, Carlos David"]
[Result "0-1"]
[WhiteElo "2204"]
[BlackElo "2103"]
[ECO "A26"]
[EventDate "2019.08.01"]
[PlyCount "66"]

1.g3 g6 2.Bg2 Bg7 3.c4 d6 4.Nc3 Nc6 5.d3 e5 6.Rb1 f5 7.Nh3 Nf6 8.f4 O-O 9.
O-O Re8 10.b4 exf4 11.Bxf4 Ng4 12.Nd5 Nd4 13.Bg5 Qd7 14.e4 c6 15.exf5 Ne2+
16.Kh1 gxf5 17.Re1 Nc3 18.Rxe8+ Qxe8 19.Nxc3 Bxc3 20.Qb3 Bd4 21.Bf4 Qe6 
22.Rf1 h6 23.Bd2 Qe2 24.Bf4 Bd7 25.Bxd6 Re8 26.Nf4 Nf2+ 27.Kg1 Qe3 28.h4 
Ne4+ 29.Kh2 Qxg3+ 30.Kh1 Nf2+ 31.Rxf2 Re1+ 32.Bf1 Qxf2 33.c5+ Be6 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.14"]
[White "Caballero Quijano, Mitzy Mishell"]
[Black "Flores Quillas, Diego Saul Rodri"]
[Result "1/2-1/2"]
[WhiteElo "2059"]
[BlackElo "2163"]
[ECO "A43"]
[EventDate "2019.08.01"]
[PlyCount "37"]

1.d4 Nf6 2.Nf3 c5 3.d5 e6 4.Nc3 exd5 5.Nxd5 Nxd5 6.Qxd5 Be7 7.e4 O-O 8.Bc4
Nc6 9.O-O d6 10.c3 Na5 11.Qd3 Nxc4 12.Qxc4 Be6 13.Qe2 d5 14.Rd1 Qd6 15.Bg5
Bxg5 16.Nxg5 Qe5 17.Qe3 dxe4 18.f4 Qf5 19.Nxe4 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.15"]
[White "Medrano, Sebastian"]
[Black "Torrico, Alexis"]
[Result "1-0"]
[WhiteElo "2086"]
[BlackElo "1847"]
[ECO "A21"]
[EventDate "2019.08.01"]
[PlyCount "47"]

1.d4 d6 2.c4 e5 3.Nf3 e4 4.Ng5 f5 5.Nc3 Be7 6.Nh3 Nf6 7.g3 c6 8.Bg2 O-O 9.
O-O d5 10.cxd5 cxd5 11.Bg5 Nc6 12.Nf4 Qa5 13.e3 Rd8 14.a3 Ne8 15.b4 Qa6 
16.Qh5 Bxg5 17.Qxg5 Nf6 18.b5 Qa5 19.bxc6 Qxc3 20.Nh5 Nxh5 21.Qxd8+ Kf7 
22.Qc7+ Kf8 23.cxb7 Qxc7 24.bxa8=Q 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.16"]
[White "Davila Blanco, Juan Jose"]
[Black "Huanca, Edson"]
[Result "0-1"]
[WhiteElo "2052"]
[BlackElo "1948"]
[ECO "D05"]
[EventDate "2019.08.01"]
[PlyCount "42"]

1.d4 Nf6 2.Nf3 e6 3.e3 d5 4.Bd3 Nbd7 5.O-O c6 6.Nbd2 Bd6 7.c4 O-O 8.b3 e5 
9.dxe5 Nxe5 10.Be2 Re8 11.Bb2 Qc7 12.h3 Bd7 13.Kh1 Qc8 14.cxd5 Bxh3 15.Ng5
Bg4 16.Bxg4 Nexg4 17.dxc6 Qxc6 18.Bxf6 Nxf6 19.Nc4 Bc7 20.Qf3 h6 21.Nh3 
Ne4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.17"]
[White "Guerrero Cataldo, Juan Andres"]
[Black "Montevilla Cahuasa, Jonathan I"]
[Result "1-0"]
[WhiteElo "2035"]
[BlackElo "1231"]
[ECO "D43"]
[EventDate "2019.08.01"]
[PlyCount "53"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 5.g3 dxc4 6.a4 Bd6 7.Bg2 O-O 8.O-O Nbd7
9.e4 Bb4 10.Nd2 c5 11.Nxc4 cxd4 12.Qxd4 Nb6 13.Qxd8 Rxd8 14.Nxb6 axb6 15.
Be3 Bxc3 16.bxc3 Bd7 17.Bxb6 Rdc8 18.a5 Rxc3 19.f3 Rac8 20.Rfd1 Bb5 21.Bd4
Rb3 22.Rac1 Rd8 23.f4 h6 24.Bb6 Rxd1+ 25.Rxd1 Nd7 26.Bd8 Kf8 27.f5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.18"]
[White "Cari, Nicolas"]
[Black "Villazon Zeballos, Manuel"]
[Result "1-0"]
[WhiteElo "1788"]
[BlackElo "1378"]
[ECO "A58"]
[EventDate "2019.08.01"]
[PlyCount "81"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 g6 6.Nc3 Bg7 7.e4 d6 8.Bb5+ Bd7 
9.Bxd7+ Nfxd7 10.f4 O-O 11.Nf3 Nxa6 12.O-O Qb6 13.Re1 c4+ 14.Be3 Qxb2 15.
Bd4 Bxd4+ 16.Qxd4 Qb6 17.e5 Nb4 18.Qxb6 Nxb6 19.Red1 Nd3 20.g3 Ra5 21.exd6
exd6 22.Nd2 Rc8 23.Nde4 Rd8 24.Rab1 Na4 25.Rd2 Nxc3 26.Nxc3 Rda8 27.Kf1 
Ra3 28.Rc2 Kg7 29.Ke2 R8a7 30.Ke3 f5 31.Kd4 Kf6 32.Kxc4 Nc5 33.Nb5 Rxa2 
34.Rxa2 Rxa2 35.Nxd6 Rc2+ 36.Kb5 Nd7 37.Nc4 Re2 38.Kc6 Rc2 39.Kxd7 Rxc4 
40.Rd1 Kf7 41.d6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.19"]
[White "Tapia Espada, Antonio Enrique"]
[Black "Inaicheo Santana, Edward"]
[Result "0-1"]
[WhiteElo "1506"]
[BlackElo "1635"]
[ECO "E28"]
[EventDate "2019.08.01"]
[PlyCount "50"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 b6 6.e3 O-O 7.Bd3 Bb7 8.Nf3 
d6 9.O-O Ne4 10.Qc2 f5 11.Nd2 Qh4 12.g3 Ng5 13.d5 Qh5 14.h4 Nf7 15.dxe6 
Ne5 16.f4 Nxd3 17.Qxd3 Na6 18.c5 Nxc5 19.Qc4 Rf6 20.Bb2 Rg6 21.Kf2 Ba6 22.
Qd5 Qe2+ 23.Kg1 Rxg3+ 24.Kh1 Rh3+ 25.Kg1 Qh2# 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.20"]
[White "Ccerhuayo Escobedo, Mels Leopold"]
[Black "Barja Viveros, Matias Ariel"]
[Result "1/2-1/2"]
[WhiteElo "1820"]
[BlackElo "1544"]
[ECO "D55"]
[EventDate "2019.08.01"]
[PlyCount "35"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Be7 5.Bg5 O-O 6.e3 a6 7.cxd5 exd5 8.Bd3 b6
9.h4 Bb7 10.Bxf6 Bxf6 11.Bxh7+ Kxh7 12.Ng5+ Kg8 13.Qh5 Re8 14.Qxf7+ Kh8 
15.Ne2 Nd7 16.Qh5+ Kg8 17.Qf7+ Kh8 18.Qh5+ 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.21"]
[White "Santiago Vilca, Lito Gustavo"]
[Black "Zambrana Estrada, Breyner Andre"]
[Result "1-0"]
[WhiteElo "1818"]
[BlackElo "1426"]
[ECO "E65"]
[EventDate "2019.08.01"]
[PlyCount "62"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 d6 5.O-O Nbd7 6.c4 O-O 7.Nc3 c5 8.d5 Nb6 
9.Qd3 Bf5 10.e4 Bg4 11.e5 Nfd7 12.exd6 exd6 13.Bg5 Nf6 14.Nd2 h6 15.Be3 
Bf5 16.Qe2 Re8 17.h3 a6 18.Rfe1 Qc7 19.Rac1 Rad8 20.a3 Nc8 21.Qf1 b6 22.b4
Kh7 23.Kh1 Na7 24.g4 Bd7 25.Nde4 Nxe4 26.Nxe4 f5 27.gxf5 Bxf5 28.Bf4 Bxe4 
29.Rxe4 Rxe4 30.Bxe4 Rf8 31.Be3 Qd7 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.04"]
[Round "6.22"]
[White "Montevilla C., Elias Alejandro"]
[Black "Ticona Rocabado, Licael Roderick"]
[Result "0-1"]
[WhiteElo "1326"]
[BlackElo "1693"]
[ECO "B23"]
[EventDate "2019.08.01"]
[PlyCount "34"]

1.e4 c5 2.Nc3 e6 3.g3 d5 4.d3 d4 5.Nce2 e5 6.Bg2 Nf6 7.f4 Nc6 8.Nf3 Bd6 9.
O-O O-O 10.f5 b5 11.b3 Ba6 12.Nd2 c4 13.a3 cxd3 14.cxd3 Rc8 15.b4 Bb7 16.
h3 a5 17.bxa5 Nxa5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.1"]
[White "Wang, Annie"]
[Black "Acosta, Pablo Ismael"]
[Result "1/2-1/2"]
[WhiteElo "2321"]
[BlackElo "2440"]
[ECO "D45"]
[EventDate "2019.08.01"]
[PlyCount "86"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 5.e3 Nbd7 6.Qc2 Bd6 7.b3 O-O 8.Be2 e5 
9.cxd5 cxd5 10.Nb5 Bb8 11.dxe5 Nxe5 12.O-O Bg4 13.Nbd4 Qc8 14.Qxc8 Rxc8 
15.Ba3 Nxf3+ 16.gxf3 Be6 17.Rac1 Be5 18.Nb5 Ne8 19.f4 Bf6 20.Bf3 a6 21.Nd6
Rxc1 22.Rxc1 Be7 23.Nc4 Bxa3 24.Nxa3 Rd8 25.Rd1 f5 26.Nc2 Kf7 27.Nd4 Ke7 
28.Rc1 Kd6 29.b4 g6 30.Rc5 Nf6 31.Bd1 Bd7 32.f3 b6 33.Rc3 a5 34.bxa5 bxa5 
35.Ra3 Ra8 36.Rb3 Ne8 37.Nb5+ Bxb5 38.Rxb5 Nc7 39.Rb2 Rc8 40.Ba4 Na8 41.
Kf2 Rc1 42.Rb5 Rc5 43.Rb1 Nc7 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.2"]
[White "Coro, Lucas"]
[Black "Cardoso Cardoso, Jose Gabriel"]
[Result "0-1"]
[WhiteElo "2320"]
[BlackElo "2373"]
[ECO "B51"]
[EventDate "2019.08.01"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.a4 Nf6 5.Nc3 g6 6.O-O Bg7 7.Re1 O-O 8.d4 
cxd4 9.Nxd4 Nc5 10.Bg5 Ne6 11.Nxe6 Bxe6 12.Nd5 Bxd5 13.exd5 Rc8 14.Bf1 Rc5
15.c4 a5 16.Qb3 Rc7 17.Bd2 Rc8 18.Qxb7 Nd7 19.Qb5 Ra8 20.c5 Nxc5 21.Rab1 
Bf6 22.b3 Qc7 23.Qe2 Rfc8 24.Rec1 Qb7 25.Qf3 Nd7 26.Bb5 Ne5 27.Qe4 e6 28.
Bc6 Nxc6 29.dxc6 Qe7 30.Rc2 d5 31.Qd3 Rc7 32.Qb5 Rca7 33.b4 axb4 34.Bxb4 
Qc7 35.Bc5 Rxa4 36.Qb7 Ra1 37.Rcc1 Rxb1 38.Rxb1 Qc8 39.Qxc8+ Rxc8 40.c7 
Be5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.3"]
[White "Varacalli, Francisco"]
[Black "Asaria, Danial"]
[Result "1-0"]
[WhiteElo "2306"]
[BlackElo "2305"]
[ECO "B93"]
[EventDate "2019.08.01"]
[PlyCount "68"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Nbd7 8.a4 Be7
9.Bd3 O-O 10.O-O exf4 11.Bxf4 Qb6+ 12.Kh1 Qxb2 13.Nd5 Nxd5 14.exd5 Nc5 15.
Rb1 Qa2 16.Ra1 Qb2 17.Rb1 Qa3 18.Bxh7+ Kxh7 19.Qe2 Bf6 20.Bxd6 Kg8 21.Qf2 
Rd8 22.Bxc5 Qxa4 23.Rb4 Qa2 24.Rf4 Qxd5 25.Rxf6 gxf6 26.Qg3+ Kh7 27.Qh4+ 
Kg8 28.Be7 Rd6 29.Qg3+ Kh7 30.Bxd6 Bf5 31.Qh4+ Kg6 32.Nd4 Qxd6 33.Nxf5 Qd2
34.Ne7+ Kg7 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.4"]
[White "Lu, Maximillian"]
[Black "Munoz, Francisco Javier"]
[Result "1-0"]
[WhiteElo "2283"]
[BlackElo "2282"]
[ECO "B14"]
[EventDate "2019.08.01"]
[PlyCount "65"]

1.c4 c6 2.e4 d5 3.exd5 cxd5 4.d4 Nf6 5.Nc3 g6 6.cxd5 Bg7 7.Qb3 O-O 8.Be2 
Nbd7 9.Bf3 Nb6 10.Nge2 Bg4 11.Bxg4 Nxg4 12.a4 Qc8 13.O-O Qc4 14.Ra3 Qa6 
15.a5 Nc4 16.Ra4 Nd6 17.Bf4 Rac8 18.Re1 Rfd8 19.Ng3 Nc4 20.h3 Nxf2 21.Kxf2
Bxd4+ 22.Kf3 e5 23.dxe6 fxe6 24.Re4 g5 25.Bxg5 Rf8+ 26.Kg4 e5 27.Qb5 Qe6+ 
28.Kh4 Rc5 29.Qxb7 Nd6 30.Qe7 Nf5+ 31.Nxf5 Qxf5 32.Rg4 Rxc3 33.Bf6+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.5"]
[White "Santiago Vilca, Christian Amilca"]
[Black "Benitez Galeano, Alejandro"]
[Result "1/2-1/2"]
[WhiteElo "2256"]
[BlackElo "2111"]
[ECO "D20"]
[EventDate "2019.08.01"]
[PlyCount "91"]

1.d4 d5 2.c4 dxc4 3.e3 e5 4.Bxc4 Nc6 5.Nf3 e4 6.Nfd2 Qg5 7.Nxe4 Qxg2 8.Ng3
Nf6 9.Bf1 Qd5 10.Nc3 Bb4 11.f3 O-O 12.Kf2 Qd8 13.Bg2 Re8 14.Nce2 Be6 15.e4
Qe7 16.Qc2 Rad8 17.Rd1 Bc8 18.Kf1 Ba5 19.Bf4 Bb6 20.Qc3 h6 21.Rac1 g5 22.
Be3 Nb4 23.Qa3 Nbd5 24.Bf2 Qxa3 25.bxa3 Ne7 26.Nc3 c6 27.Nge2 Ng6 28.Na4 
Bc7 29.Bg3 Re7 30.Kf2 h5 31.Rc5 g4 32.Bxc7 Rxc7 33.f4 Nh4 34.Rg5+ Kf8 35.
e5 Nd5 36.Be4 f5 37.Rxh5 fxe4 38.Rxh4 Rf7 39.Nc5 Nxf4 40.Nxf4 Rxf4+ 41.Ke2
b6 42.Rh8+ Ke7 43.Rh7+ Ke8 44.Rh8+ Ke7 45.Rh7+ Ke8 46.Rh8+ 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.6"]
[White "Bolanos, Fernando"]
[Black "Rengifo Blancas, Renzo Jhonathan"]
[Result "1-0"]
[WhiteElo "2247"]
[BlackElo "2194"]
[ECO "C77"]
[EventDate "2019.08.01"]
[PlyCount "99"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 d6 6.c3 g6 7.O-O Bg7 8.Nbd2 O-O 
9.Re1 b5 10.Bb3 Na5 11.Bc2 c5 12.Nf1 Bb7 13.Bg5 h6 14.Bh4 Qd7 15.Qd2 Nh5 
16.b4 cxb4 17.cxb4 Nc6 18.Ne3 Nf4 19.Rac1 Nd4 20.Nxd4 exd4 21.Nf1 g5 22.
Bg3 Be5 23.Bb3 Rac8 24.Rxc8 Rxc8 25.Bxf4 Bxf4 26.Qe2 Re8 27.Qh5 Kg7 28.Ng3
Bxg3 29.fxg3 d5 30.Rf1 Qe6 31.h4 f6 32.Kh2 Re7 33.Rf5 Qd6 34.Bxd5 Bxd5 35.
Rxd5 Qxb4 36.Qg4 Qd2 37.Rxd4 Qxa2 38.Rd5 b4 39.Qf5 Qe2 40.Rd6 Rf7 41.d4 
Qh5 42.Rxa6 Qg6 43.Rb6 Qxf5 44.exf5 g4 45.Rxb4 Ra7 46.d5 h5 47.Rd4 Rd7 48.
Kg1 Kf7 49.Kf2 Ke7 50.Ke3 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.7"]
[White "Titichoca Daza, Daniel"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[WhiteElo "2143"]
[BlackElo "2309"]
[ECO "B43"]
[EventDate "2019.08.01"]
[PlyCount "32"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.a3 Bb7 7.Be3 Nf6 8.Bd3 d6 
9.f4 Nbd7 10.O-O Nc5 11.Qf3 Be7 12.b4 Nxd3 13.cxd3 Rc8 14.Rac1 Qd7 15.Nb3 
O-O 16.Na5 Ba8 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.8"]
[White "Vivas Zamora, Fabian Ernesto"]
[Black "Zhang, Derek"]
[Result "1-0"]
[WhiteElo "2348"]
[BlackElo "2147"]
[ECO "C05"]
[EventDate "2019.08.01"]
[PlyCount "85"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Ngf3 c5 6.c3 Nc6 7.Bd3 Be7 8.O-O g5 
9.dxc5 g4 10.Nd4 Ndxe5 11.Bb5 Bd7 12.Bxc6 bxc6 13.f4 Ng6 14.f5 exf5 15.
N2b3 f4 16.Bxf4 Nxf4 17.Rxf4 Bg5 18.Rxg4 Qe7 19.Rg3 Bf4 20.Rf3 Bg4 21.Nxc6
Bxf3 22.Qxf3 Qe3+ 23.Qxe3+ Bxe3+ 24.Kf1 Kd7 25.Nb4 Bf4 26.g3 Be5 27.Rd1 
Ke6 28.c6 d4 29.Nc5+ Kd6 30.cxd4 a5 31.Ne4+ Ke6 32.Nc2 Rhd8 33.Ng5+ Kf6 
34.h4 Kg6 35.Ke2 h6 36.Ne4 f5 37.Nc5 Bxg3 38.Rg1 f4 39.Ne6 Rd6 40.Nxf4+ 
Kf5 41.Nh5 Bxh4 42.Ne3+ Ke6 43.Rg6+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.9"]
[White "Huang, Andy"]
[Black "Medrano, Sebastian"]
[Result "1-0"]
[WhiteElo "2263"]
[BlackElo "2086"]
[ECO "B13"]
[EventDate "2019.08.01"]
[PlyCount "105"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 g6 6.Bf4 Bg7 7.Nf3 Nf6 8.O-O 
O-O 9.Re1 Bf5 10.Bf1 Qb6 11.Qb3 Qxb3 12.axb3 Bxb1 13.Rexb1 Ne4 14.b4 a6 
15.Ra3 f6 16.Rba1 Rae8 17.b5 axb5 18.Bxb5 e5 19.Be3 Re7 20.Bf1 Rc8 21.Rd1 
Rd7 22.Rda1 Nd6 23.dxe5 Nxe5 24.Ra8 Nxf3+ 25.gxf3 Rxa8 26.Rxa8+ Kf7 27.Ra5
Ke6 28.Bf4 f5 29.Ra4 Bf6 30.Rb4 Be5 31.Be3 Rc7 32.Ba7 Rc8 33.Kg2 Rd8 34.
Bc5 Rd7 35.Bd3 Rc7 36.Ba7 Rc8 37.Bc2 Rc4 38.Rb6 Rc6 39.Rb3 d4 40.cxd4 Bxd4
41.Bxd4 Rxc2 42.Bc3 Rc1 43.Rb6 Kd5 44.Rb4 Ra1 45.Rd4+ Ke6 46.Bb4 Ra6 47.
Kf1 Rb6 48.Ke2 Nf7 49.Bc3 Nd6 50.Ke3 Rc6 51.Rb4 Rc4 52.Rb6 Rxc3+ 53.bxc3 
1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.10"]
[White "Huanca, Edson"]
[Black "Delgado Romero, Marco"]
[Result "0-1"]
[WhiteElo "1948"]
[BlackElo "2236"]
[ECO "B24"]
[EventDate "2019.08.01"]
[PlyCount "82"]

1.e4 c5 2.Nc3 g6 3.Nge2 Bg7 4.g3 Nc6 5.Bg2 e5 6.O-O Nge7 7.d3 O-O 8.Be3 d6
9.Qd2 Nd4 10.f4 Be6 11.h3 f5 12.Kh2 Qd7 13.Nd1 Rad8 14.c3 Nxe2 15.Qxe2 b6 
16.Nf2 Nc6 17.exf5 gxf5 18.g4 Ne7 19.g5 exf4 20.Bxf4 Ng6 21.Bd2 Rfe8 22.
Qh5 Bf7 23.h4 Be5+ 24.Kh1 Nf4 25.Qd1 Nxg2 26.Kxg2 Bd5+ 27.Kg1 Bb7 28.Qh5 
Qc6 29.Ne4 fxe4 30.g6 Qd7 31.Bh6 Bg7 32.gxh7+ Kh8 33.Rf8+ Bxf8 34.Rf1 Bxh6
35.Rf7 Be3+ 36.Kh2 Qe6 37.Rxb7 exd3 38.Qf3 d2 39.Qg2 Bf4+ 40.Kh1 d1=Q+ 41.
Qg1 Qe4# 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.11"]
[White "Mendoza Criollo, Carlos David"]
[Black "Johnson, Joshua"]
[Result "0-1"]
[WhiteElo "2103"]
[BlackElo "2241"]
[ECO "E32"]
[EventDate "2019.08.01"]
[PlyCount "50"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3+ 6.Qxc3 b5 7.cxb5 c6 8.bxc6
Nxc6 9.Bg5 h6 10.Bxf6 Qxf6 11.Nf3 Bb7 12.e3 Rfc8 13.Qd3 Na5 14.Be2 Nc4 15.
b3 Nd6 16.O-O Be4 17.Qa6 Rc6 18.Qa5 Rac8 19.Ne1 Nf5 20.Bf3 d5 21.Qd2 Bc2 
22.Bd1 Bxd1 23.Rxd1 e5 24.dxe5 Qxe5 25.Nf3 Qe4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.12"]
[White "Tello Chavez, Isaac Valent"]
[Black "Guerrero Cataldo, Juan Andres"]
[Result "1-0"]
[WhiteElo "2271"]
[BlackElo "2035"]
[ECO "A45"]
[EventDate "2019.08.01"]
[PlyCount "69"]

1.d4 Nf6 2.Bg5 b6 3.Bxf6 exf6 4.e3 Bb7 5.Nf3 f5 6.g3 g6 7.Bg2 Bg7 8.O-O 
O-O 9.c4 d6 10.Nc3 Nd7 11.Qc2 Nf6 12.d5 Re8 13.Nd4 h5 14.b4 h4 15.gxh4 Nh5
16.Nf3 Bf6 17.Rad1 Bxh4 18.Nxh4 Qxh4 19.Rd4 Qf6 20.Ne2 a5 21.Bf3 Ng7 22.b5
Kh7 23.Kg2 Rh8 24.h4 Kg8 25.Rh1 Nh5 26.Bxh5 Rxh5 27.Ng3 Rh6 28.h5 Kg7 29.
hxg6 fxg6 30.Rxh6 Kxh6 31.Rf4 Rh8 32.e4 Qg5 33.Qd2 Kg7 34.exf5 gxf5 35.
Qd4+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.13"]
[White "Pinto, Daniel"]
[Black "Cari, Nicolas"]
[Result "1-0"]
[WhiteElo "2257"]
[BlackElo "1788"]
[ECO "D02"]
[EventDate "2019.08.01"]
[PlyCount "109"]

1.d4 Nf6 2.Nf3 d5 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.b3 e6 7.Bb2 c6 8.Nbd2 Nbd7
9.c4 b6 10.Qc2 Bb7 11.e4 Nxe4 12.Nxe4 dxe4 13.Qxe4 Qc7 14.Rad1 c5 15.Qe2 
cxd4 16.Nxd4 Bxg2 17.Kxg2 Qb7+ 18.Qf3 Qxf3+ 19.Kxf3 Ne5+ 20.Ke2 Rfc8 21.
Bc1 a6 22.f4 Nc6 23.Nxc6 Rxc6 24.Be3 Bf8 25.a4 Bc5 26.Bxc5 Rxc5 27.Rd4 
Rac8 28.Rfd1 e5 29.Rd8+ Rxd8 30.Rxd8+ Kg7 31.Rd6 exf4 32.gxf4 Rh5 33.Rxb6 
Rxh2+ 34.Kf3 Rb2 35.b4 Kf8 36.c5 Ke7 37.b5 axb5 38.axb5 f5 39.Rb7+ Kd8 40.
b6 Rb3+ 41.Ke2 h5 42.Rg7 Kc8 43.Rxg6 Kb7 44.Rg7+ Kc6 45.Rc7+ Kd5 46.Kf2 h4
47.Kg2 Rg3+ 48.Kh2 Rb3 49.b7 Ke4 50.c6 Kf3 51.Kh3 Kxf4+ 52.Kxh4 Rb1 53.Kh5
Ke5 54.Rc8 Kf6 55.Rf8+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.14"]
[White "Mollo, Jhoan"]
[Black "Vera, Pavel"]
[Result "1/2-1/2"]
[WhiteElo "2023"]
[BlackElo "2173"]
[ECO "B23"]
[EventDate "2019.08.01"]
[PlyCount "46"]

1.e4 c5 2.Nc3 a6 3.g3 b5 4.Bg2 Bb7 5.d3 e6 6.Nge2 b4 7.Nb1 d5 8.O-O Nf6 9.
Nd2 Be7 10.a3 O-O 11.exd5 Bxd5 12.Nf4 Bxg2 13.Nxg2 Nc6 14.Nc4 Nd5 15.Be3 
Qc7 16.Qf3 Ne5 17.Qe4 Bf6 18.Bf4 Nxf4 19.Qxf4 Qb8 20.axb4 cxb4 21.Ra5 Nxc4
22.Qxb8 Rfxb8 23.dxc4 Bxb2 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.15"]
[White "Flores Quillas, Diego Saul Rodri"]
[Black "Castellanos Villela, Alejandro"]
[Result "1-0"]
[WhiteElo "2163"]
[BlackElo "1985"]
[ECO "B54"]
[EventDate "2019.08.01"]
[PlyCount "89"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 Nc6 6.c4 e6 7.Nc3 Be7 8.Be3 O-O
9.Qd2 d5 10.exd5 exd5 11.O-O-O Ne5 12.cxd5 Nxd5 13.Ndb5 Nb6 14.Qe1 Ned7 
15.Qg3 f5 16.h4 Bf6 17.Bf4 Qe7 18.Re1 Qf7 19.Nd6 Qh5 20.Bd3 Nc5 21.Bc2 Bd7
22.Qf2 Nba4 23.Nxa4 Nxa4 24.Bb3+ Kh8 25.Re2 b6 26.Kb1 Nc5 27.Bd5 Rad8 28.
Qe3 Bb5 29.Rd2 Ba6 30.g3 h6 31.Rhd1 Rd7 32.Qa3 Bc8 33.b4 Nb7 34.Nxc8 Rxc8 
35.Qxa7 Nc5 36.Qa3 Nb7 37.Qe3 Nd6 38.Qe2 Re7 39.Qf1 Be5 40.Bxe5 Rxe5 41.
Bb3 Nb5 42.Rd8+ Rxd8 43.Rxd8+ Kh7 44.Bg8+ Kg6 45.Qxb5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.16"]
[White "Inaicheo Santana, Edward"]
[Black "Caballero Quijano, Mitzy Mishell"]
[Result "0-1"]
[WhiteElo "1635"]
[BlackElo "2059"]
[ECO "A80"]
[EventDate "2019.08.01"]
[PlyCount "56"]

1.d4 e6 2.Nf3 f5 3.Nc3 Nf6 4.Bg5 Bb4 5.e3 O-O 6.Bd3 h6 7.Bh4 d6 8.O-O Bxc3
9.bxc3 Qe8 10.Bxf6 gxf6 11.e4 fxe4 12.Bxe4 f5 13.Bd3 Nd7 14.Re1 Qf7 15.Nd2
Nf6 16.Qf3 Kh8 17.Qh3 Qg7 18.f4 Nd5 19.Qh4 Nxc3 20.Re3 Nd5 21.Rae1 Nxe3 
22.Rxe3 Bd7 23.c3 Rf6 24.Rh3 Rg6 25.g3 Bc6 26.Be2 Kh7 27.Kf2 Rg4 28.Qh5 
Be8 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.17"]
[White "Santiago Vilca, Lito Gustavo"]
[Black "Aguilar, Luis Miguel"]
[Result "0-1"]
[WhiteElo "1818"]
[BlackElo "2204"]
[ECO "A41"]
[EventDate "2019.08.01"]
[PlyCount "52"]

1.d4 d6 2.g3 Nd7 3.Bg2 e5 4.d5 Ngf6 5.c4 g6 6.Nc3 Bg7 7.e4 O-O 8.Nge2 a5 
9.O-O Nh5 10.Be3 f5 11.exf5 gxf5 12.f4 Qe7 13.Qd2 e4 14.Nd4 Nc5 15.b3 Nf6 
16.h3 h5 17.Kh2 h4 18.gxh4 Nh5 19.Rg1 Qxh4 20.Bf1 Nf6 21.Bf2 Qh8 22.Rg5 
Ng4+ 23.Kg2 Nxf2 24.Qxf2 Kf7 25.Nce2 Bf6 26.Rg3 Bh4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.18"]
[White "Torrico, Alexis"]
[Black "Ticona Rocabado, Licael Roderick"]
[Result "1-0"]
[WhiteElo "1847"]
[BlackElo "1693"]
[ECO "E76"]
[EventDate "2019.08.01"]
[PlyCount "71"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Nf3 c5 7.d5 e6 8.dxe6 fxe6 
9.Bd3 Nc6 10.O-O a6 11.Ng5 h6 12.Nf3 e5 13.Nh4 Ne7 14.fxe5 dxe5 15.Nd5 
Nfxd5 16.exd5 g5 17.Ng6 Nxg6 18.Bxg6 Qd6 19.Rxf8+ Bxf8 20.Qh5 Bd7 21.Bxg5 
Bg4 22.Bf7+ Kg7 23.Qxg4 hxg5 24.Rf1 Be7 25.Be6 Bf6 26.Rxf6 Kxf6 27.Qf5+ 
Ke7 28.Qxg5+ Ke8 29.Qg6+ Ke7 30.Qf7+ Kd8 31.Qg8+ Ke7 32.Qxa8 Qb6 33.Qg8 e4
34.Qg7+ Kd6 35.Qg3+ Ke7 36.Qe5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.19"]
[White "Tapia Espada, Antonio Enrique"]
[Black "Davila Blanco, Juan Jose"]
[Result "1-0"]
[WhiteElo "1506"]
[BlackElo "2052"]
[ECO "A57"]
[EventDate "2019.08.01"]
[PlyCount "52"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 g6 6.Nc3 Bg7 7.Nf3 O-O 8.e4 axb5 
9.e5 Ng4 10.Bxb5 Nxe5 11.O-O Nxf3+ 12.Qxf3 d6 13.Re1 Bd7 14.a4 Bxc3 15.
Qxc3 Bxb5 16.Bh6 f6 17.Bxf8 Kxf8 18.axb5 Nd7 19.Rxa8 Qxa8 20.Qh3 Qa5 21.
Qe3 Qd8 22.Ra1 Ne5 23.Qa3 Nc4 24.Qa8 Qxa8 25.Rxa8+ Kf7 26.b3 Na3 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.20"]
[White "Villazon Zeballos, Manuel"]
[Black "Ccerhuayo Escobedo, Mels Leopold"]
[Result "0-1"]
[WhiteElo "1378"]
[BlackElo "1820"]
[ECO "D05"]
[EventDate "2019.08.01"]
[PlyCount "53"]

1.d4 Nf6 2.Nf3 e6 3.e3 d5 4.Bd3 b6 5.O-O Bb7 6.Nbd2 Bd6 7.Qe2 O-O 8.c3 Ne4
9.c4 f5 10.Ne5 Bxe5 11.dxe5 Nc5 12.f4 Nxd3 13.Qxd3 dxc4 14.Qxc4 Qd5 15.
Qxd5 Bxd5 16.b3 a5 17.Ba3 c5 18.Rfd1 Nc6 19.Nc4 Rfb8 20.Nd6 a4 21.Nc4 Ra6 
22.Bb2 b5 23.Nd2 a3 24.Bc1 Nb4 25.Nf1 Nxa2 26.Nd2 Nc3 27.Re1 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.21"]
[White "Barja Viveros, Matias Ariel"]
[Black "Teran Medina, Marcelo"]
[Result "1-0"]
[WhiteElo "1544"]
[BlackElo "1506"]
[ECO "A57"]
[EventDate "2019.08.01"]
[PlyCount "57"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.a4 Qa5+ 5.Bd2 b4 6.f3 g6 7.e4 d6 8.Qc1 h5 9.Bd3
Bg7 10.h3 Nbd7 11.f4 Nb6 12.Nf3 Ba6 13.O-O O-O-O 14.Na3 Na8 15.Nb5 Bxb5 
16.axb5 Qb6 17.Ra6 Qb7 18.e5 Ne8 19.Ng5 Nac7 20.Rc6 Rf8 21.e6 fxe6 22.Nxe6
Rf6 23.Nxd8 Kxd8 24.f5 a6 25.b6 Na8 26.Qa1 gxf5 27.Rxf5 e6 28.Rxf6 Nxf6 
29.Rxd6+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.22"]
[White "Moreno, Alejandro"]
[Black "Araujo, Amilcar"]
[Result "0-1"]
[WhiteElo "1477"]
[BlackElo "1530"]
[ECO "E62"]
[EventDate "2019.08.01"]
[PlyCount "92"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 d6 5.O-O O-O 6.c4 c6 7.Nc3 Bg4 8.h3 Bxf3 
9.Bxf3 Nbd7 10.e3 Re8 11.Re1 e5 12.d5 cxd5 13.Bxd5 Nxd5 14.Qxd5 Qb8 15.Ne4
Nb6 16.Qxd6 Nxc4 17.Qd5 Nb6 18.Qb3 h6 19.Rd1 Qc7 20.Bd2 Qc4 21.Qxc4 Nxc4 
22.Bc3 Rad8 23.b3 Nb6 24.Nd6 Re7 25.Nb5 Rxd1+ 26.Rxd1 a6 27.Rd8+ Kh7 28.
Nd6 Nd5 29.Bb2 Nb4 30.a4 Nc6 31.Rc8 Rd7 32.Ba3 f5 33.Bc5 e4 34.Nxb7 Nd4 
35.Nd6 Nf3+ 36.Kg2 Be5 37.Rc6 Ne1+ 38.Kf1 Nf3 39.Bb4 Bxd6 40.Bxd6 a5 41.b4
axb4 42.Bxb4 Rb7 43.Rc4 Ne5 44.Rd4 Nc6 45.Rd5 Nxb4 46.Rd6 Ra7 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.23"]
[White "Montevilla Cahuasa, Jonathan I"]
[Black "Bracamonte, Humberto"]
[Result "1/2-1/2"]
[WhiteElo "1231"]
[BlackElo "1516"]
[ECO "E11"]
[EventDate "2019.08.01"]
[PlyCount "52"]

1.d4 Nf6 2.Nf3 e6 3.c4 Bb4+ 4.Bd2 Qe7 5.a3 Bxd2+ 6.Nbxd2 d6 7.e4 e5 8.dxe5
dxe5 9.Be2 O-O 10.O-O Nc6 11.Qc2 b6 12.b4 Bb7 13.Bd3 Rad8 14.Qc3 Nd4 15.
Rfe1 Qd6 16.Rad1 c5 17.bxc5 Qxc5 18.Qb4 Qxb4 19.axb4 Rfe8 20.Nxd4 Rxd4 21.
Nb3 Rdd8 22.f3 Re7 23.Bc2 Red7 24.Rxd7 Rxd7 25.Rd1 Kf8 26.Rxd7 Nxd7 
1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.24"]
[White "Araujo Miranda, Styven Sandro"]
[Black "Montevilla C., Elias Alejandro"]
[Result "0-1"]
[WhiteElo "1347"]
[BlackElo "1326"]
[ECO "D00"]
[EventDate "2019.08.01"]
[PlyCount "70"]

1.d4 Nf6 2.Bg5 d5 3.e3 e6 4.Nd2 h6 5.Bh4 Be7 6.Bxf6 Bxf6 7.c4 O-O 8.Ngf3 
c5 9.Nb3 cxd4 10.Nfxd4 Nc6 11.Rb1 e5 12.Nxc6 bxc6 13.Be2 Bf5 14.Rc1 d4 15.
exd4 exd4 16.O-O Rc8 17.Bd3 Bxd3 18.Qxd3 c5 19.Rce1 Re8 20.Nc1 a5 21.Ne2 
Qb6 22.b3 Qb4 23.Qb1 Rcd8 24.Nf4 Rxe1 25.Rxe1 Qd2 26.Nd5 d3 27.Rd1 Qc2 28.
Qxc2 dxc2 29.Rc1 Re8 30.Kf1 Be5 31.Rxc2 Kh7 32.Re2 Re6 33.f4 Bd6 34.Rxe6 
fxe6 35.Ne3 Bxf4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "7.25"]
[White "Zambrana Estrada, Breyner Andre"]
[Black "Janco Fernandez, Marcelo Ruben"]
[Result "1-0"]
[WhiteElo "1426"]
[BlackElo "1095"]
[ECO "C62"]
[EventDate "2019.08.01"]
[PlyCount "29"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 h6 5.Bxc6+ bxc6 6.dxe5 d5 7.exd5 cxd5 8.
O-O f6 9.Nc3 c6 10.Re1 Be7 11.Nd4 Bb7 12.Ne6 Qb6 13.Nxg7+ Kf7 14.Nf5 Bc5 
15.Qh5+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.1"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Varacalli, Francisco"]
[Result "0-1"]
[WhiteElo "2373"]
[BlackElo "2306"]
[ECO "D35"]
[EventDate "2019.08.01"]
[PlyCount "90"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.e3 Be7 7.Bd3 Nbd7 8.Nge2 
Nh5 9.Bxe7 Qxe7 10.g4 Nhf6 11.Ng3 Nb6 12.g5 Ng8 13.h4 g6 14.Qe2 Be6 15.
O-O-O O-O-O 16.f4 Qd7 17.Qc2 Ne7 18.a4 Kb8 19.a5 Nbc8 20.Na4 Bg4 21.Rde1 
Nd6 22.Nc5 Qc7 23.Qc3 h5 24.Rh2 Rhe8 25.Kb1 Bc8 26.Rc1 Nef5 27.Nxf5 Bxf5 
28.Bxf5 Nxf5 29.Qb4 Ka8 30.a6 b6 31.Nb7 Rc8 32.Rhc2 Qd7 33.Rc3 Rxe3 34.
Rxe3 Nxe3 35.Qd6 Qf5+ 36.Ka2 Qd3 37.Qa3 Qxa3+ 38.Kxa3 Nf5 39.Re1 Kb8 40.b4
Kc7 41.b5 Kd7 42.bxc6+ Rxc6 43.Re5 Ne7 44.Kb3 Rc1 45.f5 gxf5 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.2"]
[White "Lu, Maximillian"]
[Black "Wang, Annie"]
[Result "1/2-1/2"]
[WhiteElo "2283"]
[BlackElo "2321"]
[ECO "E04"]
[EventDate "2019.08.01"]
[PlyCount "152"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 dxc4 5.Bg2 a6 6.O-O Nc6 7.e3 Bd7 8.Qe2 Bd6 
9.Qxc4 O-O 10.Nc3 Qe7 11.e4 e5 12.Bg5 b5 13.Qd3 Nb4 14.Qd2 exd4 15.Qxd4 
Nc6 16.Qd2 Qe6 17.e5 Nxe5 18.Nxe5 Bxe5 19.Bxa8 Rxa8 20.Rae1 b4 21.Ne4 Bb5 
22.Bxf6 Bxf6 23.Nxf6+ Qxf6 24.Qxb4 Bxf1 25.Kxf1 h6 26.Qe4 Rb8 27.b3 Qc3 
28.Re2 Rd8 29.Rc2 Qa5 30.Kg2 c5 31.Qf5 Qe1 32.Rxc5 Qe7 33.Re5 Qa3 34.Ra5 
Qb4 35.Ra4 Qb6 36.Rf4 Qb7+ 37.Qe4 Qc7 38.Rf5 Qd7 39.Re5 Rf8 40.Re7 Qb5 41.
Re5 Qd7 42.Qd5 Qc7 43.Rf5 Qc2 44.a4 Qc3 45.Rf3 Qc7 46.Rd3 Rb8 47.Rd4 Qc3 
48.b4 Qc7 49.Rc4 Qe7 50.b5 axb5 51.axb5 Qa7 52.Rc6 Qa5 53.Rc5 Qb6 54.Qc6 
Qxc6+ 55.bxc6 Kf8 56.Kf3 Ke7 57.Ra5 Rc8 58.Ra7+ Ke6 59.Ra6 Kd5 60.Ra5+ 
Kxc6 61.Rf5 Rc7 62.Re5 Kd6 63.Re4 Rc2 64.h4 Rc7 65.h5 Re7 66.Rg4 f5 67.
Rg6+ Ke5 68.Ke3 Ra7 69.f4+ Kd5 70.Kf3 Ra3+ 71.Kg2 Ra7 72.Rb6 Ra2+ 73.Kf3 
Ra3+ 74.Kf2 Ra2+ 75.Kf3 Ra3+ 76.Kg2 Ra2+ 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.3"]
[White "Acosta, Pablo Ismael"]
[Black "Bolanos, Fernando"]
[Result "1-0"]
[WhiteElo "2440"]
[BlackElo "2247"]
[ECO "E65"]
[EventDate "2019.08.01"]
[PlyCount "75"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.g3 O-O 5.Bg2 c5 6.O-O d6 7.Nc3 Nbd7 8.h3 b6 
9.Ne5 dxe5 10.dxe5 Nxe5 11.Bxa8 Bxh3 12.Bg2 Bxg2 13.Kxg2 Nxc4 14.Qa4 Qa8+ 
15.f3 Na5 16.Bf4 Nc6 17.Rad1 h6 18.Rh1 Nd4 19.Kf2 Nh5 20.Qc4 Kh7 21.Bc1 f5
22.Qd5 Qxd5 23.Nxd5 e6 24.Nf4 Nxf4 25.gxf4 Rf7 26.e3 Nb5 27.Rd8 Bf6 28.Ra8
Nd6 29.Rd1 Nc4 30.b3 Na5 31.Re8 b5 32.Rxe6 c4 33.Ra6 Nb7 34.Rxa7 c3 35.Rd5
b4 36.Rb5 Nd8 37.Rxf7+ Nxf7 38.Rxb4 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.4"]
[White "Santiago Vilca, Christian Amilca"]
[Black "Vivas Zamora, Fabian Ernesto"]
[Result "1-0"]
[WhiteElo "2256"]
[BlackElo "2348"]
[ECO "D85"]
[EventDate "2019.08.01"]
[PlyCount "55"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.Na4 Bg7 6.e4 Nb6 7.Be3 O-O 8.Nf3 
Bg4 9.Nc5 Nc6 10.Nxb7 Qb8 11.Ba6 Nb4 12.Nc5 Bxf3 13.gxf3 Rd8 14.Qb3 Nxa6 
15.Nxa6 Qc8 16.Nb4 Qh3 17.Ke2 a5 18.Nc6 Rd6 19.Rhc1 a4 20.Qb5 Rf6 21.Na5 
Qh5 22.Rc5 Qh3 23.Rxc7 Rb8 24.Rxe7 Bf8 25.Re8 Rb7 26.Qc5 Nd7 27.Nxb7 Qxf3+
28.Kd2 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.5"]
[White "Benitez Galeano, Alejandro"]
[Black "Coro, Lucas"]
[Result "0-1"]
[WhiteElo "2111"]
[BlackElo "2320"]
[ECO "A26"]
[EventDate "2019.08.01"]
[PlyCount "82"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.Nc3 e5 7.d3 Nc6 8.Rb1 a5 
9.a3 h6 10.b4 axb4 11.axb4 Be6 12.b5 Ne7 13.Qb3 Qd7 14.Nd2 Rab8 15.Ba3 g5 
16.Ra1 b6 17.Nd5 Nfxd5 18.cxd5 Bh3 19.e4 Bxg2 20.Kxg2 f5 21.Bb2 f4 22.Ra7 
Rf7 23.f3 g4 24.Qa4 Kh7 25.fxg4 Ng6 26.h3 Rbf8 27.Qc4 Qe7 28.Raa1 fxg3 29.
Rf5 Nh4+ 30.Kxg3 Nxf5+ 31.exf5 Rxf5 32.gxf5 Qg5+ 33.Qg4 Qxd2 34.Qg6+ Kh8 
35.Ra7 Qxd3+ 36.Kg4 Qe4+ 37.Kg3 Qf4+ 38.Kg2 Qd2+ 39.Kf3 e4+ 40.Kxe4 Qxb2 
41.Rxc7 Qe2+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.6"]
[White "Donoso Diaz, Sebastian"]
[Black "Huang, Andy"]
[Result "1/2-1/2"]
[WhiteElo "2309"]
[BlackElo "2263"]
[ECO "A11"]
[EventDate "2019.08.01"]
[PlyCount "97"]

1.Nf3 d5 2.e3 Nf6 3.c4 c6 4.b3 Bf5 5.Be2 h6 6.Bb2 e6 7.O-O Nbd7 8.Ne5 Nxe5
9.Bxe5 Bd6 10.Bxd6 Qxd6 11.d4 O-O 12.Nd2 a5 13.Nf3 Ne4 14.c5 Qc7 15.Bd3 b6
16.Bxe4 Bxe4 17.cxb6 Qxb6 18.Ne5 Rfc8 19.Nd7 Qc7 20.Nc5 e5 21.dxe5 Qxe5 
22.Qd4 Qxd4 23.exd4 Bf5 24.Rfe1 Kf8 25.f3 h5 26.Rac1 g6 27.Kf2 Rab8 28.
Red1 Ke7 29.Ke3 Kd6 30.Kd2 h4 31.g3 Re8 32.g4 Bd7 33.Re1 g5 34.Rxe8 Rxe8 
35.Nb7+ Kc7 36.Nxa5 f5 37.gxf5 Rf8 38.b4 Kb6 39.a4 Rxf5 40.Ke3 Be8 41.Nb3 
Bh5 42.Nd2 Rf6 43.Rg1 Rf5 44.h3 Be8 45.Nb3 Bh5 46.Nd2 Be8 47.Nf1 Bd7 48.
Nh2 Rf7 49.Ng4 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.7"]
[White "Delgado Romero, Marco"]
[Black "Asaria, Danial"]
[Result "1-0"]
[WhiteElo "2236"]
[BlackElo "2305"]
[ECO "A35"]
[EventDate "2019.08.01"]
[PlyCount "99"]

1.Nf3 c5 2.c4 Nc6 3.Nc3 e5 4.e3 Nf6 5.d4 e4 6.Ne5 h5 7.Be2 Qc7 8.Rb1 a6 9.
f4 cxd4 10.exd4 Bb4 11.Be3 d6 12.Nxc6 bxc6 13.O-O Bxc3 14.bxc3 Bf5 15.Qa4 
O-O 16.h3 g6 17.Rb3 Qc8 18.Kh2 Kg7 19.Rb6 Bd7 20.Qa3 Qc7 21.Rfb1 Ra7 22.
Kg1 a5 23.d5 c5 24.Rxd6 Qxd6 25.Bxc5 Qxf4 26.Bxf8+ Kg8 27.Bc5 Bxh3 28.Qb2 
Rc7 29.Bd4 Qg5 30.Bf1 Nd7 31.Kh1 Bf5 32.Qf2 Rc8 33.Rb7 Re8 34.Qe3 Qh4+ 35.
Kg1 Ne5 36.Bxe5 Rxe5 37.d6 Re8 38.c5 Qf6 39.Qd4 Qg5 40.d7 Bxd7 41.Rxd7 e3 
42.Bc4 Rf8 43.Rd5 Qg3 44.Re5 Rb8 45.Rxe3 Qg5 46.Rf3 Rb7 47.c6 Rc7 48.Bd5 
h4 49.c4 a4 50.Qf4 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.8"]
[White "Munoz, Francisco Javier"]
[Black "Tello Chavez, Isaac Valent"]
[Result "1-0"]
[WhiteElo "2282"]
[BlackElo "2271"]
[ECO "D42"]
[EventDate "2019.08.01"]
[PlyCount "65"]

1.e4 c6 2.c4 d5 3.exd5 cxd5 4.cxd5 Qxd5 5.Nc3 Qd8 6.Nf3 Nf6 7.d4 e6 8.a3 
Be7 9.Bd3 Nc6 10.O-O O-O 11.Re1 b6 12.Bg5 Bb7 13.Bc2 Rc8 14.Qd3 g6 15.Bh6 
Re8 16.Rad1 Nd5 17.h4 Nxc3 18.bxc3 Bxa3 19.h5 Ne7 20.Bg5 Qc7 21.hxg6 hxg6 
22.c4 Bd6 23.Ne5 Nf5 24.Ba4 Red8 25.Bxd8 Rxd8 26.Qc3 Rc8 27.Bb3 Qe7 28.c5 
bxc5 29.Nxf7 Kxf7 30.Bxe6+ Qxe6 31.Rxe6 Kxe6 32.Qb3+ Bd5 33.Re1+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.9"]
[White "Rengifo Blancas, Renzo Jhonathan"]
[Black "Pinto, Daniel"]
[Result "0-1"]
[WhiteElo "2194"]
[BlackElo "2257"]
[ECO "B22"]
[EventDate "2019.08.01"]
[PlyCount "129"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3 Nc6 6.cxd4 d6 7.Bc4 Nb6 8.Bb5 
Bd7 9.exd6 e6 10.Nc3 Bxd6 11.O-O Nb4 12.Be2 O-O 13.Ne4 Bc6 14.Nxd6 Qxd6 
15.Be3 Rac8 16.Ne5 f6 17.Nxc6 Nxc6 18.Rc1 Rfd8 19.Qb3 Kf7 20.Bf3 Rd7 21.g3
Nd5 22.a3 a6 23.Kg2 g6 24.Rfd1 Rcd8 25.h4 Nce7 26.Bd2 b6 27.h5 g5 28.Be4 
h6 29.Re1 Rc7 30.Rcd1 Nc6 31.Bg6+ Kg7 32.Qd3 b5 33.Rc1 Re7 34.Bh7 Kh8 35.
Bg6 Nxd4 36.Ba5 Nb6 37.Kh2 Red7 38.Be4 g4 39.Qe3 Kg7 40.Red1 Nc4 41.Rxc4 
bxc4 42.Bxd8 Rxd8 43.Bg2 Qc5 44.Kg1 Qe5 45.Qxe5 fxe5 46.Re1 Kf6 47.Re4 Kf5
48.Re3 Rb8 49.Bf1 Nf3+ 50.Kg2 Nd2 51.Rc3 Rxb2 52.Be2 a5 53.Kg1 Rb3 54.Rc2 
c3 55.a4 e4 56.Kg2 Nf3 57.Rc1 c2 58.Bxf3 exf3+ 59.Kh2 Rb2 60.Re1 e5 61.Rc1
e4 62.Re1 Ke5 63.Rc1 e3 64.Re1 e2 65.Rc1 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.10"]
[White "Johnson, Joshua"]
[Black "Flores Quillas, Diego Saul Rodri"]
[Result "1/2-1/2"]
[WhiteElo "2241"]
[BlackElo "2163"]
[ECO "B81"]
[EventDate "2019.08.01"]
[PlyCount "60"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 h6 7.Bg2 a6 8.h3 g5 9.
b3 Nbd7 10.Bb2 Ne5 11.Qd2 Qc7 12.O-O-O Be7 13.Kb1 b6 14.Nf3 Nfd7 15.Nxe5 
Nxe5 16.Ne2 Bb7 17.f4 gxf4 18.Nxf4 O-O-O 19.Nd3 h5 20.Qf2 Rdf8 21.Nxe5 
dxe5 22.Rd3 hxg4 23.Rhd1 gxh3 24.Bxh3 Bc6 25.a3 Kb7 26.Bf1 f6 27.b4 Rd8 
28.Qe3 Bb5 29.Rxd8 Rxd8 30.Rxd8 Qxd8 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.11"]
[White "Caballero Quijano, Mitzy Mishell"]
[Black "Titichoca Daza, Daniel"]
[Result "1/2-1/2"]
[WhiteElo "2059"]
[BlackElo "2143"]
[ECO "A46"]
[EventDate "2019.08.01"]
[PlyCount "42"]

1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 cxd4 5.Nxd4 d5 6.O-O e5 7.Nb3 Be7 8.Bg5 
Nbd7 9.c4 dxc4 10.N3d2 Nb6 11.a4 a5 12.Na3 c3 13.bxc3 O-O 14.Qc2 Bd7 15.
Nb5 Bc6 16.Rad1 Bxg2 17.Kxg2 Nfd5 18.Bxe7 Qxe7 19.e4 Nf6 20.c4 Rfc8 21.Rc1
Rc6 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.12"]
[White "Aguilar, Luis Miguel"]
[Black "Mollo, Jhoan"]
[Result "1-0"]
[WhiteElo "2204"]
[BlackElo "2023"]
[ECO "A11"]
[EventDate "2019.08.01"]
[PlyCount "85"]

1.g3 d5 2.Bg2 Nf6 3.c4 c6 4.cxd5 cxd5 5.Nf3 Nc6 6.O-O Bf5 7.a3 e6 8.b4 Be7
9.d3 h6 10.Nbd2 O-O 11.Nb3 Nd7 12.Bb2 Bf6 13.Qd2 a6 14.Rfc1 Rc8 15.Rab1 e5
16.a4 b5 17.axb5 axb5 18.Nc5 Nb6 19.Ra1 e4 20.Bxf6 Qxf6 21.Nh4 Nd4 22.Nxf5
Nxf5 23.dxe4 dxe4 24.Nxe4 Qe5 25.Rxc8 Rxc8 26.Rd1 Kh7 27.Nc5 g6 28.Nd7 
Nxd7 29.Qxd7 Rc7 30.Qd2 Rc4 31.e3 Qe7 32.Bd5 Rxb4 33.Bxf7 Re4 34.Bb3 Re5 
35.Qd7 Kg7 36.Qc8 Rc5 37.Qg8+ Kf6 38.Qh8+ Kg5 39.h4+ Kg4 40.Qa8 g5 41.Kg2 
Nxe3+ 42.fxe3 Qxe3 43.Be6+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.13"]
[White "Vera, Pavel"]
[Black "Medrano, Sebastian"]
[Result "1-0"]
[WhiteElo "2173"]
[BlackElo "2086"]
[ECO "B11"]
[EventDate "2019.08.01"]
[PlyCount "70"]

1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d3 Nd7 7.Be2 d4 8.Nd1 Bd6
9.h4 Ngf6 10.c3 Qa5 11.Bd2 dxc3 12.bxc3 Rd8 13.h5 h6 14.Ne3 Ne5 15.Qh3 Be7
16.Nd1 Ned7 17.O-O O-O 18.Be3 c5 19.Qg3 Kh8 20.Bf4 Rc8 21.c4 Qd8 22.Nc3 
Nb8 23.Rab1 b6 24.e5 Nh7 25.Rfd1 Nc6 26.Bf3 Nd4 27.Be4 Bg5 28.Be3 f5 29.
exf6 Qxf6 30.Bxh7 Bxe3 31.fxe3 Kxh7 32.Qg6+ Kg8 33.Qxf6 gxf6 34.exd4 cxd4 
35.Nb5 e5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.14"]
[White "Zhang, Derek"]
[Black "Torrico, Alexis"]
[Result "1-0"]
[WhiteElo "2147"]
[BlackElo "1847"]
[ECO "A30"]
[EventDate "2019.08.01"]
[PlyCount "66"]

1.Nf3 c5 2.c4 g6 3.e3 Bg7 4.d4 Nf6 5.dxc5 Na6 6.Be2 O-O 7.O-O Nxc5 8.b4 
Na6 9.a3 d5 10.c5 Ne4 11.Nd4 Nc7 12.Bb2 a5 13.f3 Ng5 14.Nd2 e5 15.N4b3 
axb4 16.axb4 Bd7 17.Rxa8 Qxa8 18.f4 exf4 19.Bxg7 Kxg7 20.exf4 Nge6 21.f5 
Nd8 22.Qe1 f6 23.Qg3 Qb8 24.fxg6 hxg6 25.Bd3 g5 26.Qd6 Rf7 27.b5 Nde6 28.
b6 Na6 29.Bxa6 Qxd6 30.cxd6 bxa6 31.b7 Rf8 32.Rf2 Rb8 33.Na5 Kf7 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.15"]
[White "Huanca, Edson"]
[Black "Mendoza Criollo, Carlos David"]
[Result "1/2-1/2"]
[WhiteElo "1948"]
[BlackElo "2103"]
[ECO "B24"]
[EventDate "2019.08.01"]
[PlyCount "67"]

1.e4 c5 2.Nc3 Nc6 3.Nge2 g6 4.g3 Bg7 5.Bg2 e6 6.O-O Nge7 7.d3 O-O 8.Be3 b6
9.Qd2 d5 10.exd5 Nxd5 11.Nxd5 exd5 12.Bh6 Bb7 13.Bxg7 Kxg7 14.d4 c4 15.Nf4
Ne7 16.Rfe1 Ng8 17.Re5 Nf6 18.Rae1 Bc6 19.Re7 Kg8 20.R1e5 Qd6 21.Qe1 a5 
22.Bf3 b5 23.c3 b4 24.h4 bxc3 25.bxc3 a4 26.h5 Nd7 27.Re2 g5 28.Nh3 h6 29.
Qc1 Nf6 30.R7e5 Rae8 31.Rxg5+ hxg5 32.Qxg5+ Kh8 33.Qh6+ Kg8 34.Qg5+ 
1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.16"]
[White "Guerrero Cataldo, Juan Andres"]
[Black "Inaicheo Santana, Edward"]
[Result "1-0"]
[WhiteElo "2035"]
[BlackElo "1635"]
[ECO "E18"]
[EventDate "2019.08.01"]
[PlyCount "82"]

1.d4 Nf6 2.Nf3 e6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.c4 d5 7.Nc3 Nbd7 8.Ne5 O-O
9.Qa4 Nxe5 10.dxe5 Nd7 11.cxd5 exd5 12.Nxd5 Nc5 13.Qd1 a5 14.Be3 Rb8 15.
Rc1 Ne6 16.Qb3 Bxd5 17.Bxd5 Nc5 18.Qd1 Qc8 19.Qc2 Qg4 20.Rfd1 h5 21.Rd4 
Qh3 22.Bg2 Qe6 23.Qc4 Qg6 24.h4 Rbd8 25.Rxd8 Rxd8 26.Bd5 Qf5 27.Bf3 Qxe5 
28.Bf4 Qxb2 29.Bxh5 Ne6 30.Rc3 Rd4 31.Qc6 Qb1+ 32.Bc1 Qe4 33.Qe8+ Kh7 34.
e3 Bb4 35.Rc6 Rd8 36.Rxe6 Rxe8 37.Rxe4 Rxe4 38.Bxf7 Bd6 39.Bb3 a4 40.Bc2 
c5 41.Bxe4+ Kh6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.17"]
[White "Castellanos Villela, Alejandro"]
[Black "Barja Viveros, Matias Ariel"]
[Result "1-0"]
[WhiteElo "1985"]
[BlackElo "1544"]
[ECO "A08"]
[EventDate "2019.08.01"]
[PlyCount "65"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nf6 4.O-O Bf5 5.c4 e6 6.cxd5 exd5 7.d4 Nc6 8.Nc3 
Be7 9.Bg5 cxd4 10.Nxd4 Be6 11.Rc1 O-O 12.Nxe6 fxe6 13.Bh3 Kf7 14.Bxf6 Bxf6
15.e4 d4 16.Qh5+ Ke7 17.Nb5 Qb6 18.Na3 Rac8 19.Nc4 Qc7 20.Qc5+ Kf7 21.Nd6+
Kg6 22.Nxc8 Qxc8 23.f4 Be7 24.Qc4 Kf6 25.e5+ Kg6 26.Bxe6 Qe8 27.Qe2 h5 28.
f5+ Kh6 29.Rcd1 Bg5 30.Rf3 g6 31.h4 Be3+ 32.Rxe3 dxe3 33.Qxe3+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.18"]
[White "Ccerhuayo Escobedo, Mels Leopold"]
[Black "Araujo, Amilcar"]
[Result "1-0"]
[WhiteElo "1820"]
[BlackElo "1530"]
[ECO "A56"]
[EventDate "2019.08.01"]
[PlyCount "73"]

1.d4 Nf6 2.c4 g6 3.f3 d6 4.e4 Bg7 5.Nc3 c5 6.d5 Nbd7 7.Nge2 Qb6 8.Qc2 a6 
9.Ng3 h5 10.Be2 h4 11.Nf1 Nh5 12.f4 Ndf6 13.Bd3 h3 14.g3 Ng4 15.Ne3 Nxe3 
16.Bxe3 Nf6 17.Bd2 Ng4 18.Nd1 Bd4 19.Bc3 Bxc3+ 20.bxc3 e5 21.dxe6 Bxe6 22.
Qe2 Qc6 23.O-O O-O-O 24.f5 gxf5 25.exf5 Qg2+ 26.Qxg2 hxg2 27.Rf4 Ne5 28.
fxe6 Nxd3 29.Rxf7 Rde8 30.Rf6 Ne5 31.Ne3 Rh3 32.Kxg2 Reh8 33.Rh1 R8h6 34.
Nd5 Nxc4 35.e7 Ne3+ 36.Kg1 Kd7 37.Rf8 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.19"]
[White "Cari, Nicolas"]
[Black "Tapia Espada, Antonio Enrique"]
[Result "1/2-1/2"]
[WhiteElo "1788"]
[BlackElo "1506"]
[ECO "E21"]
[EventDate "2019.08.01"]
[PlyCount "70"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.Nc3 Bb4 5.Qc2 Bb7 6.e3 O-O 7.Be2 d5 8.cxd5 
Nxd5 9.a3 Nxc3 10.bxc3 Be7 11.O-O Nd7 12.a4 c5 13.a5 bxa5 14.Ba3 Rc8 15.
Rfb1 Ba8 16.Qd2 Nf6 17.Ne5 Ne4 18.Qe1 Re8 19.Bb5 Rf8 20.Nd7 cxd4 21.Bxe7 
Qxe7 22.Nxf8 Nxc3 23.Ba6 Rxf8 24.Rb2 Qg5 25.f4 Qf6 26.Rc1 e5 27.Bb7 Rb8 
28.exd4 exd4 29.Bxa8 Rxa8 30.Qe5 Qxe5 31.fxe5 Kf8 32.Kf1 a4 33.Rd2 Nb5 34.
Ke2 Re8 35.Rc4 a6 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.20"]
[White "Bracamonte, Humberto"]
[Black "Santiago Vilca, Lito Gustavo"]
[Result "0-1"]
[WhiteElo "1516"]
[BlackElo "1818"]
[ECO "B23"]
[EventDate "2019.08.01"]
[PlyCount "76"]

1.e4 c5 2.Nc3 e6 3.g3 a6 4.Bg2 Nc6 5.d3 g6 6.Nge2 Bg7 7.O-O Nge7 8.f4 d5 
9.Bd2 O-O 10.Be1 b5 11.Qc1 d4 12.Nb1 Bb7 13.Nd2 Rc8 14.Nf3 c4 15.Qd1 Qb6 
16.Bf2 Rfe8 17.Bh3 cxd3 18.cxd3 Nb4 19.Ne1 a5 20.a3 Na6 21.Nf3 a4 22.Rb1 
f5 23.Nd2 Nc5 24.Nc1 fxe4 25.dxe4 Nxe4 26.Qe2 Rc2 27.Rd1 Nf5 28.Qd3 Nxf2 
29.Kxf2 Rc3 30.Qf1 d3+ 31.Ke1 Qe3+ 32.Ne2 dxe2 33.Qxe2 Qxe2+ 34.Kxe2 Rc2 
35.Ke1 Kf7 36.b3 Bc3 37.Ke2 Rxd2+ 38.Rxd2 Bxd2 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.21"]
[White "Ticona Rocabado, Licael Roderick"]
[Black "Zambrana Estrada, Breyner Andre"]
[Result "1/2-1/2"]
[WhiteElo "1693"]
[BlackElo "1426"]
[ECO "A48"]
[EventDate "2019.08.01"]
[PlyCount "62"]

1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Be2 O-O 5.O-O d6 6.c4 Nbd7 7.Nc3 c5 8.d5 a6 
9.e4 Qc7 10.Bf4 Nh5 11.Be3 Nhf6 12.Re1 Ng4 13.Bf4 Nge5 14.Bg3 Nxf3+ 15.
Bxf3 Rb8 16.Be2 h5 17.f4 Qa5 18.Qd2 b5 19.Rac1 bxc4 20.Bxc4 Nb6 21.Bb3 c4 
22.Bd1 f5 23.e5 Nd7 24.e6 Nc5 25.Be2 Qb4 26.Rc2 a5 27.Bh4 Bf6 28.Bxf6 Rxf6
29.Qd4 Ba6 30.Rf1 Qb6 31.Rd2 Rff8 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.22"]
[White "Montevilla C., Elias Alejandro"]
[Black "Montevilla Cahuasa, Jonathan I"]
[Result "1-0"]
[WhiteElo "1326"]
[BlackElo "1231"]
[ECO "C22"]
[EventDate "2019.08.01"]
[PlyCount "27"]

1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 b6 5.Nc3 Bb7 6.Bc4 Bc5 7.Qf4 Qf6 8.Qg3 
Nb4 9.Bg5 Nxc2+ 10.Kd2 Qd4+ 11.Kxc2 Qxc4 12.Qe5+ Ne7 13.b3 Bd4 14.Qxe7# 
1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.23"]
[White "Davila Blanco, Juan Jose"]
[Black "Moreno, Alejandro"]
[Result "1-0"]
[WhiteElo "2052"]
[BlackElo "1477"]
[ECO "D06"]
[EventDate "2019.08.01"]
[PlyCount "67"]

1.d4 Nf6 2.Nf3 d5 3.c4 c5 4.cxd5 Nxd5 5.e4 Nb6 6.d5 e6 7.Bb5+ Bd7 8.dxe6 
fxe6 9.Bxd7+ Qxd7 10.O-O Be7 11.Bg5 Qxd1 12.Rxd1 Nc6 13.Bf4 O-O 14.Bg3 
Rad8 15.Nc3 a6 16.Rxd8 Nxd8 17.Rd1 Nc6 18.Bc7 Na8 19.Bd6 Rd8 20.Bxe7 Rxd1+
21.Nxd1 Nxe7 22.Ne5 Nb6 23.Kf1 g6 24.Ke2 Kg7 25.f4 Kf6 26.Ne3 h5 27.h4 
Nec8 28.Kd3 Nd6 29.b3 Kg7 30.a4 Nbc8 31.Nd7 b6 32.a5 b5 33.Nxc5 Na7 34.
Nxe6+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.24"]
[White "Zubieta Echalar, Eduardo"]
[Black "Villazon Zeballos, Manuel"]
[Result "1/2-1/2"]
[WhiteElo "1329"]
[BlackElo "1378"]
[ECO "B73"]
[EventDate "2019.08.01"]
[PlyCount "65"]

1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bg7 6.Be3 Nc6 7.Be2 O-O 8.O-O 
d6 9.f4 Bd7 10.Bf3 Rc8 11.a3 Na5 12.Bf2 a6 13.Qd3 Qc7 14.Nde2 Bg4 15.Nd5 
Nxd5 16.Bxg4 Nf6 17.Bxc8 Rxc8 18.c3 Nb3 19.Rad1 Nc5 20.Bxc5 Qxc5+ 21.Kh1 
Ng4 22.Rf3 Nf2+ 23.Rxf2 Qxf2 24.Qf3 Qxf3 25.gxf3 Rc6 26.Kg2 Rb6 27.Rd2 Bh6
28.b4 Rc6 29.Rc2 Bg7 30.Kf2 f5 31.Ke3 e5 32.c4 Kf7 33.Kd3 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.05"]
[Round "8.25"]
[White "Teran Medina, Marcelo"]
[Black "Janco Fernandez, Marcelo Ruben"]
[Result "1-0"]
[WhiteElo "1506"]
[BlackElo "1095"]
[ECO "C51"]
[EventDate "2019.08.01"]
[PlyCount "58"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.O-O Nf6 6.Re1 d5 7.exd5 Nxd5 8.Bxd5
Qxd5 9.Nc3 Qe6 10.b5 Nd4 11.Nxe5 O-O 12.Na4 Re8 13.Nxb6 axb6 14.Bb2 Nxb5 
15.Nf3 Qc6 16.Rxe8+ Qxe8 17.d4 Be6 18.d5 Rd8 19.c4 Na7 20.Qd4 f6 21.Re1 
Rd6 22.Ng5 Qa4 23.Nxe6 Rxe6 24.dxe6 Qe8 25.Qg4 Qf8 26.e7 Qe8 27.Bxf6 g6 
28.Qg5 Kf7 29.Bc3 Qg8 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.1"]
[White "Varacalli, Francisco"]
[Black "Lu, Maximillian"]
[Result "1/2-1/2"]
[WhiteElo "2306"]
[BlackElo "2283"]
[ECO "B03"]
[EventDate "2019.08.01"]
[PlyCount "55"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.exd6 cxd6 6.Nc3 g6 7.Be3 Bg7 8.Rc1 
O-O 9.b3 Bf5 10.Nge2 d5 11.c5 Nc8 12.Ng3 Nc6 13.Bb5 Bd7 14.O-O a6 15.Bxc6 
bxc6 16.Qd2 e5 17.dxe5 Bxe5 18.Bd4 Qf6 19.Bxe5 Qxe5 20.Rfe1 Qf6 21.Nge2 
Ne7 22.Nd4 Nf5 23.Nxf5 Bxf5 24.Ne2 a5 25.Nd4 Bd7 26.Re3 Rab8 27.a3 Rfe8 
28.Rce1 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.2"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Acosta, Pablo Ismael"]
[Result "0-1"]
[WhiteElo "2373"]
[BlackElo "2440"]
[ECO "E44"]
[EventDate "2019.08.01"]
[PlyCount "69"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 c5 6.a3 Ba5 7.Rb1 Na6 8.Nf4 O-O 
9.Bd3 d6 10.O-O Bxc3 11.bxc3 Bb7 12.d5 Re8 13.e4 exd5 14.exd5 Nb8 15.Nh5 
h6 16.Ng3 Nbd7 17.f4 Nf8 18.h3 Bc8 19.Qf3 Ng6 20.Qf2 Qd7 21.Qc2 Nf8 22.Nf5
Rb8 23.g4 b5 24.cxb5 c4 25.Bxc4 Qc7 26.Rb4 Bxf5 27.Qxf5 Ne4 28.g5 h5 29.h4
Ng3 30.Qd3 Nxf1 31.Kxf1 Qc8 32.Rb2 Nd7 33.Qf3 Nb6 34.f5 Re5 35.Bf4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.3"]
[White "Wang, Annie"]
[Black "Munoz, Francisco Javier"]
[Result "1-0"]
[WhiteElo "2321"]
[BlackElo "2282"]
[ECO "D07"]
[EventDate "2019.08.01"]
[PlyCount "117"]

1.d4 d5 2.c4 Nc6 3.Nc3 Nf6 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 e5 7.d5 Na5 8.Nf3 
Bd6 9.Qa4+ c6 10.c4 O-O 11.Bd2 b6 12.Be2 cxd5 13.cxd5 Nb7 14.O-O Nc5 15.
Qc2 Bd7 16.Be3 Rc8 17.Nd2 b5 18.Rac1 a6 19.Nb3 Na4 20.Qd2 Ba3 21.Rxc8 Qxc8
22.Bd3 Qc7 23.f4 f6 24.Qf2 exf4 25.Bxf4 Bd6 26.Rc1 Qb8 27.Bxd6 Qxd6 28.Nd4
Rc8 29.Rf1 Rc3 30.Bb1 Nb6 31.Ne2 Rc8 32.h3 Nc4 33.Nf4 Qc5 34.Qxc5 Rxc5 35.
Rc1 Rc8 36.Bd3 Ne5 37.Rxc8+ Bxc8 38.Bc2 Kf7 39.Kf2 Ke7 40.Ke3 g6 41.Kd4 
Kd6 42.Nd3 a5 43.Nc5 h5 44.Bd1 h4 45.Nb3 a4 46.Nc5 a3 47.Nb3 b4 48.Be2 g5 
49.Na5 Bd7 50.Nc4+ Kc7 51.Nxe5 b3 52.d6+ Kd8 53.Bc4 fxe5+ 54.Kxe5 Ba4 55.
Kf6 b2 56.Bd3 Bb3 57.Bb1 Bc4 58.e5 Kd7 59.Bf5+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.4"]
[White "Coro, Lucas"]
[Black "Santiago Vilca, Christian Amilca"]
[Result "1-0"]
[WhiteElo "2320"]
[BlackElo "2256"]
[ECO "B42"]
[EventDate "2019.08.01"]
[PlyCount "62"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O Qc7 7.Qe2 d6 8.c4 g6 
9.Nc3 Bg7 10.Rd1 O-O 11.h3 Nbd7 12.Nf3 b6 13.Bf4 Nh5 14.Bh2 Bxc3 15.bxc3 
e5 16.Qd2 Nc5 17.Bc2 Nb7 18.Qh6 f6 19.Nh4 Nc5 20.f4 exf4 21.Bxf4 Nxf4 22.
Qxf4 Nb7 23.Qg3 Be6 24.Rd4 b5 25.cxb5 axb5 26.a4 bxa4 27.Raxa4 Rxa4 28.
Bxa4 Rc8 29.Rb4 Nc5 30.Bb5 Rb8 31.Kh2 Kh8 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.5"]
[White "Huang, Andy"]
[Black "Delgado Romero, Marco"]
[Result "1-0"]
[WhiteElo "2263"]
[BlackElo "2236"]
[ECO "B06"]
[EventDate "2019.08.01"]
[PlyCount "75"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 a6 5.Qd2 b5 6.O-O-O Bb7 7.f3 Nd7 8.h4 h5 
9.Nh3 Rc8 10.Ng5 Nb6 11.Bd3 b4 12.Ne2 c5 13.dxc5 dxc5 14.Bxc5 Rxc5 15.Bb5+
Nd7 16.Bxd7+ Kf8 17.Nxf7 Qa5 18.Be6 Bh6 19.Nxh6 Nxh6 20.Qf4+ Kg7 21.Rd7 
Re8 22.Rxb7 Re5 23.Bd5 Rxd5 24.exd5 Qxa2 25.Rd1 Nf5 26.Qxb4 Rc8 27.Qa3 
Qxa3 28.bxa3 Kf6 29.Rb6+ Kf7 30.Rc6 Rd8 31.g3 a5 32.Rd3 a4 33.Ra6 Rc8 34.
Rxa4 Rc5 35.c4 Nd6 36.Kc2 Nxc4 37.Kc3 Ne3+ 38.Kd4 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.6"]
[White "Pinto, Daniel"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[WhiteElo "2257"]
[BlackElo "2309"]
[ECO "B22"]
[EventDate "2019.08.01"]
[PlyCount "64"]

1.e4 c5 2.Nf3 e6 3.c3 Nf6 4.e5 Nd5 5.d4 cxd4 6.cxd4 d6 7.Nc3 Nxc3 8.bxc3 
Nc6 9.exd6 Bxd6 10.Be2 O-O 11.O-O b6 12.Bg5 Qc7 13.Rc1 h6 14.Be3 Ba3 15.
Rc2 Rd8 16.c4 e5 17.d5 Nb8 18.Qd3 Bd6 19.h3 Na6 20.Qc3 Bf5 21.Rb2 Rac8 22.
Rb3 Qe7 23.Qb2 Bd7 24.Nd2 f5 25.f3 Nc5 26.Bxc5 Bxc5+ 27.Kh1 Re8 28.Bd3 Qh4
29.Qc2 Qf4 30.g3 Qg5 31.Kg2 Bd6 32.Qb1 Qxd2+ 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.7"]
[White "Bolanos, Fernando"]
[Black "Aguilar, Luis Miguel"]
[Result "1/2-1/2"]
[WhiteElo "2247"]
[BlackElo "2204"]
[ECO "B27"]
[EventDate "2019.08.01"]
[PlyCount "27"]

1.e4 c5 2.Nf3 g6 3.g3 Bg7 4.Bg2 Nc6 5.d3 d6 6.Nbd2 Nf6 7.O-O O-O 8.Re1 Rb8
9.Nf1 b5 10.h4 b4 11.Rb1 Be6 12.Ra1 h6 13.Ne3 Qd7 14.Nd2 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.8"]
[White "Vivas Zamora, Fabian Ernesto"]
[Black "Johnson, Joshua"]
[Result "1-0"]
[WhiteElo "2348"]
[BlackElo "2241"]
[ECO "C45"]
[EventDate "2019.08.01"]
[PlyCount "69"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.e5 Qe7 7.Qe2 Nd5 8.h4
Bb7 9.Rh3 c5 10.Na3 Qe6 11.c4 Nb4 12.Nb5 Kd8 13.b3 Kc8 14.Bb2 Be7 15.Nc3 
f6 16.Re3 Bd8 17.Na4 fxe5 18.Nxc5 Qg6 19.h5 Nc2+ 20.Kd2 Qd6+ 21.Kxc2 Qxc5 
22.Rxe5 Qf8 23.Re1 Bc6 24.Re8 Qf5+ 25.Qd3 Rxe8 26.Qxf5 Rxe1 27.Bd3 g6 28.
hxg6 hxg6 29.Qxg6 Be7 30.Bc3 Re6 31.Qh7 Bd6 32.c5 Bxc5 33.Ba6+ Kd8 34.Qh4+
Ke8 35.Qh5+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.9"]
[White "Asaria, Danial"]
[Black "Benitez Galeano, Alejandro"]
[Result "1-0"]
[WhiteElo "2305"]
[BlackElo "2111"]
[ECO "B44"]
[EventDate "2019.08.01"]
[PlyCount "69"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 a6 7.N5a3 Nf6 8.Nc3 
Be7 9.Be2 O-O 10.Be3 Ne5 11.O-O b6 12.f4 Ned7 13.Bf3 Bb7 14.Qe2 Qc7 15.
Rac1 Rac8 16.Rfd1 Rfd8 17.g4 Nc5 18.Qg2 Qb8 19.g5 Ne8 20.h4 Nc7 21.h5 b5 
22.b4 Nd7 23.g6 fxg6 24.hxg6 h6 25.cxb5 Nxb5 26.Naxb5 axb5 27.Nxb5 e5 28.
Qh3 Nf8 29.a4 Qa8 30.Qf5 Kh8 31.fxe5 dxe5 32.Bxh6 Bf6 33.Nd6 Rxc1 34.Bxc1 
Kg8 35.Be2 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.10"]
[White "Titichoca Daza, Daniel"]
[Black "Vera, Pavel"]
[Result "1/2-1/2"]
[WhiteElo "2143"]
[BlackElo "2173"]
[ECO "B33"]
[EventDate "2019.08.01"]
[PlyCount "26"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
b5 9.Nd5 Be7 10.Bxf6 Bxf6 11.c3 Ne7 12.Nc2 Bb7 13.Ncb4 O-O 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.11"]
[White "Flores Quillas, Diego Saul Rodri"]
[Black "Zhang, Derek"]
[Result "1-0"]
[WhiteElo "2163"]
[BlackElo "2147"]
[ECO "C17"]
[EventDate "2019.08.01"]
[PlyCount "79"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Qg4 Ne7 6.dxc5 Nbc6 7.Bd2 O-O 8.Nf3 f5
9.exf6 Rxf6 10.Qh4 e5 11.O-O-O g6 12.Qg5 Rf5 13.Qg3 Qf8 14.h4 e4 15.Ng5 
Bxc5 16.Ncxe4 Bd4 17.Bc3 Bxc3 18.Nxc3 h6 19.Nf3 Be6 20.Bd3 Rf6 21.Rhe1 Nb4
22.Nd4 Bd7 23.a3 Nxd3+ 24.Rxd3 Rc8 25.Qe5 Rf7 26.Rf3 Re8 27.Ne6 Nc6 28.
Qxd5 Qe7 29.Rfe3 Qxh4 30.g3 Qf6 31.Nf4 Rxe3 32.Rxe3 Bf5 33.Re8+ Kh7 34.Ne4
Bxe4 35.Qxe4 Nd4 36.Nxg6 Qxg6 37.Rh8+ Kxh8 38.Qxg6 Rxf2 39.Qe8+ Kh7 40.
Qd7+ 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.12"]
[White "Rengifo Blancas, Renzo Jhonathan"]
[Black "Caballero Quijano, Mitzy Mishell"]
[Result "1-0"]
[WhiteElo "2194"]
[BlackElo "2059"]
[ECO "A47"]
[EventDate "2019.08.01"]
[PlyCount "76"]

1.d4 e6 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O d5 6.Ne5 Nbd7 7.c4 Bd6 8.Qa4 O-O
9.Nxd7 Qxd7 10.Qxd7 Nxd7 11.Nc3 Nf6 12.Bg5 Ne4 13.Nxe4 dxe4 14.Rfd1 e5 15.
c5 bxc5 16.dxe5 Bxe5 17.Be7 Rfe8 18.Bxc5 f5 19.Bd4 Bd6 20.Rac1 Ba6 21.Bf1 
Rab8 22.b3 Rb7 23.Bc5 Be5 24.Be3 g6 25.Rd5 Bd6 26.Rd2 Kf7 27.Bc5 Re6 28.
Bxd6 cxd6 29.Rc6 Rb6 30.Rc7+ Re7 31.Rdc2 d5 32.Rxe7+ Kxe7 33.Rc7+ Kd6 34.
Rxa7 d4 35.f3 d3 36.exd3 exd3 37.Kf2 d2 38.Be2 Ke6 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.13"]
[White "Tello Chavez, Isaac Valent"]
[Black "Huanca, Edson"]
[Result "1-0"]
[WhiteElo "2271"]
[BlackElo "1948"]
[ECO "D33"]
[EventDate "2019.08.01"]
[PlyCount "71"]

1.c4 Nf6 2.Nc3 e6 3.g3 c5 4.Nf3 d5 5.cxd5 exd5 6.d4 Nc6 7.Bg2 Be6 8.O-O a6
9.Bg5 cxd4 10.Nxd4 Be7 11.Rc1 O-O 12.Nxc6 bxc6 13.Na4 Qa5 14.a3 Rfc8 15.b4
Qd8 16.Nc5 h6 17.Bxf6 Bxf6 18.e4 Bb2 19.Rb1 Bc3 20.Qb3 Bd4 21.Nxe6 fxe6 
22.Kh1 Qb6 23.f4 g6 24.Qd3 Kg7 25.Rbd1 Bf6 26.g4 a5 27.e5 Be7 28.f5 exf5 
29.gxf5 gxf5 30.Qxf5 Rf8 31.Qg4+ Kh7 32.Qe6 Ra7 33.Bxd5 Bg5 34.Be4+ Kg7 
35.Qg6+ Kh8 36.Rxf8# 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.14"]
[White "Mendoza Criollo, Carlos David"]
[Black "Castellanos Villela, Alejandro"]
[Result "1-0"]
[WhiteElo "2103"]
[BlackElo "1985"]
[ECO "E32"]
[EventDate "2019.08.01"]
[PlyCount "91"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3+ 6.Qxc3 b5 7.cxb5 c6 8.bxc6
Nxc6 9.Bg5 Bb7 10.e3 Rc8 11.Qd2 Qb6 12.Bxf6 gxf6 13.b4 e5 14.Nf3 exd4 15.
e4 Rfe8 16.Be2 d5 17.e5 d3 18.Qxd3 fxe5 19.Ng5 f5 20.Qxf5 Re7 21.Qg4 Kh8 
22.O-O Nd4 23.Qh5 Qf6 24.Bg4 Rg8 25.h4 e4 26.Rad1 Ba6 27.Rxd4 Qxd4 28.Rd1 
Qf6 29.Rxd5 e3 30.fxe3 Qf1+ 31.Kh2 Bb7 32.Rd2 Qf6 33.Kg1 Bc6 34.Rf2 Qg6 
35.Nf7+ Kg7 36.Qxg6+ Kxg6 37.Bf5+ Kxf7 38.Be4+ Kg7 39.Bxc6 Rxe3 40.a4 Rd8 
41.Rf4 Red3 42.b5 R3d4 43.Rxd4 Rxd4 44.a5 Rxh4 45.b6 Rd4 46.bxa7 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.15"]
[White "Guerrero Cataldo, Juan Andres"]
[Black "Ccerhuayo Escobedo, Mels Leopold"]
[Result "1-0"]
[WhiteElo "2035"]
[BlackElo "1820"]
[ECO "D37"]
[EventDate "2019.08.01"]
[PlyCount "61"]

1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.Nc3 a6 5.g3 dxc4 6.Bg2 Nc6 7.O-O Rb8 8.b3 cxb3
9.axb3 Bb4 10.Bb2 O-O 11.e3 b5 12.Ne1 Nd5 13.Ne4 f5 14.Rc1 fxe4 15.Rxc6 
Qd7 16.Rc1 Nf6 17.Nc2 Bd6 18.Na3 Bb7 19.Nb1 a5 20.Nc3 a4 21.bxa4 bxa4 22.
Qc2 Ba6 23.Nxe4 Bxf1 24.Nxf6+ Rxf6 25.Rxf1 Qb5 26.Ba1 a3 27.e4 e5 28.Qa2+ 
Qb3 29.Qxb3+ Rxb3 30.dxe5 Bxe5 31.Bxe5 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.16"]
[White "Medrano, Sebastian"]
[Black "Santiago Vilca, Lito Gustavo"]
[Result "1-0"]
[WhiteElo "2086"]
[BlackElo "1818"]
[ECO "A45"]
[EventDate "2019.08.01"]
[PlyCount "81"]

1.d4 Nf6 2.Bg5 Ne4 3.Bf4 c5 4.f3 Qa5+ 5.c3 Nf6 6.d5 d6 7.Nd2 g6 8.e4 Nbd7 
9.Bd3 Bg7 10.Ne2 O-O 11.O-O Qc7 12.Kh1 a6 13.a4 b6 14.b4 Bb7 15.Qb3 Rfc8 
16.b5 Ne5 17.Bxe5 dxe5 18.a5 axb5 19.axb6 Qxb6 20.Nc4 Qc7 21.Qxb5 Rcb8 22.
Qb6 Qc8 23.Rxa8 Bxa8 24.Qa5 Ne8 25.Rb1 Rxb1+ 26.Bxb1 Bb7 27.Nc1 Nd6 28.Nb6
Qc7 29.Nd3 c4 30.Qc5 Qb8 31.Nb2 Qa7 32.N6a4 Qa6 33.Ba2 Bh6 34.Bxc4 Nxc4 
35.Qxc4 Qd6 36.Nc5 Bc8 37.Qb5 Qc7 38.Qc6 Qd8 39.Nc4 Bf4 40.Nb6 Be6 41.Nxe6
1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.17"]
[White "Mollo, Jhoan"]
[Black "Cari, Nicolas"]
[Result "1/2-1/2"]
[WhiteElo "2023"]
[BlackElo "1788"]
[ECO "B13"]
[EventDate "2019.08.01"]
[PlyCount "37"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 g6 6.Qc2 Bg7 7.Nf3 Nf6 8.Bf4 
O-O 9.O-O h6 10.h4 Qb6 11.b4 Bg4 12.a4 Qd8 13.Ne5 Bd7 14.Nxc6 Bxc6 15.Be5 
Qd7 16.Nd2 Ne8 17.Bxg7 Kxg7 18.f4 Nd6 19.f5 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.18"]
[White "Torrico, Alexis"]
[Black "Montevilla C., Elias Alejandro"]
[Result "1-0"]
[WhiteElo "1847"]
[BlackElo "1326"]
[ECO "E12"]
[EventDate "2019.08.01"]
[PlyCount "60"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 c5 6.d5 exd5 7.cxd5 d6 8.e4 Nbd7 
9.Bd3 Be7 10.Bf4 a6 11.a4 Qc7 12.h3 O-O 13.O-O Rfe8 14.Re1 Bd8 15.Nd2 Nf8 
16.Nc4 Be7 17.e5 Nxd5 18.Nxd5 Bxd5 19.exd6 Qb7 20.dxe7 Ng6 21.Nd6 Qc6 22.
Bxg6 hxg6 23.Nxe8 Rxe8 24.f3 b5 25.axb5 axb5 26.Re5 Be6 27.Qd8 Qd7 28.Ra8 
Qxe7 29.Qxe7 Rxa8 30.Rxe6 Rf8 1-0

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.19"]
[White "Tapia Espada, Antonio Enrique"]
[Black "Ticona Rocabado, Licael Roderick"]
[Result "0-1"]
[WhiteElo "1506"]
[BlackElo "1693"]
[ECO "E94"]
[EventDate "2019.08.01"]
[PlyCount "48"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 Nbd7 7.O-O e5 8.Be3 Re8
9.Qc2 Qe7 10.Bg5 exd4 11.Nd5 Qd8 12.Nxd4 h6 13.Bxf6 Nxf6 14.Nxf6+ Qxf6 15.
Rad1 a6 16.b4 Qh4 17.f4 f5 18.exf5 Bxd4+ 19.Rxd4 Bxf5 20.Bd3 Qf6 21.Rd5 c6
22.Bxf5 cxd5 23.Bxg6 Qd4+ 24.Kh1 Qxf4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.20"]
[White "Araujo, Amilcar"]
[Black "Davila Blanco, Juan Jose"]
[Result "0-1"]
[WhiteElo "1530"]
[BlackElo "2052"]
[ECO "A57"]
[EventDate "2019.08.01"]
[PlyCount "69"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 g6 6.e4 d6 7.Nf3 Bg7 8.bxa6 O-O 
9.Be2 Qa5 10.O-O Bxa6 11.Bxa6 Qxa6 12.Re1 Nbd7 13.e5 Ng4 14.exd6 exd6 15.
h3 Nge5 16.Nxe5 Nxe5 17.f4 Nd3 18.Rf1 f5 19.Rf3 c4 20.Rb1 Rfb8 21.Bd2 Nxb2
22.Qc2 Nd3 23.Rxb8+ Rxb8 24.Qa4 Bd4+ 25.Kh2 Qxa4 26.Nxa4 Ra8 27.Nc3 Bxc3 
28.Bxc3 Rxa2 29.Kg3 Nc5 30.Bb4 Ne4+ 31.Kh2 Rb2 32.Ba5 Rb3 33.Be1 c3 34.
Bxc3 Rxc3 35.Rf1 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.21"]
[White "Inaicheo Santana, Edward"]
[Black "Teran Medina, Marcelo"]
[Result "0-1"]
[WhiteElo "1635"]
[BlackElo "1506"]
[ECO "A45"]
[EventDate "2019.08.01"]
[PlyCount "42"]

1.d4 Nf6 2.Bg5 e6 3.e4 Be7 4.Bd3 d5 5.Bxf6 gxf6 6.Ne2 c5 7.c3 Qb6 8.Na3 c4
9.Bc2 Qxb2 10.Nb5 Kd8 11.a4 a6 12.Rb1 Qa2 13.Nc1 Qxb1 14.Bxb1 axb5 15.axb5
Ra1 16.Na2 Bd7 17.Qc2 Ba3 18.O-O Bxb5 19.f4 Nc6 20.f5 Kc7 21.fxe6 fxe6 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.22"]
[White "Barja Viveros, Matias Ariel"]
[Black "Zambrana Estrada, Breyner Andre"]
[Result "1/2-1/2"]
[WhiteElo "1544"]
[BlackElo "1426"]
[ECO "B23"]
[EventDate "2019.08.01"]
[PlyCount "33"]

1.e4 c5 2.Nc3 e6 3.Bc4 g6 4.f4 Bg7 5.Nf3 Nc6 6.O-O Nge7 7.d3 O-O 8.Qe1 b6 
9.Qh4 Bb7 10.Bd2 d5 11.Bb3 Nd4 12.Nxd4 cxd4 13.Ne2 dxe4 14.dxe4 Bxe4 15.
Rad1 Nf5 16.Qf2 Rc8 17.c3 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.23"]
[White "Bracamonte, Humberto"]
[Black "Araujo Miranda, Styven Sandro"]
[Result "1/2-1/2"]
[WhiteElo "1516"]
[BlackElo "1347"]
[ECO "B24"]
[EventDate "2019.08.01"]
[PlyCount "42"]

1.e4 c5 2.Nc3 g6 3.g3 Bg7 4.Bg2 Nc6 5.Nge2 e6 6.O-O Nge7 7.d3 O-O 8.Be3 d6
9.d4 Qa5 10.a3 Qb6 11.dxc5 dxc5 12.Rb1 Rd8 13.Qc1 Qa5 14.Rd1 Nd4 15.b4 
Nxe2+ 16.Nxe2 cxb4 17.axb4 Qc7 18.b5 b6 19.Rxd8+ Qxd8 20.Qd1 Bb7 21.Bg5 
Qc7 1/2-1/2

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.24"]
[White "Montevilla Cahuasa, Jonathan I"]
[Black "Zubieta Echalar, Eduardo"]
[Result "0-1"]
[WhiteElo "1231"]
[BlackElo "1329"]
[ECO "E90"]
[EventDate "2019.08.01"]
[PlyCount "72"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 O-O 5.e4 d6 6.g3 Nbd7 7.Bg2 c5 8.O-O a6 
9.Be3 Qc7 10.d5 h6 11.Qc1 Kh7 12.Qc2 Re8 13.Rfd1 Nf8 14.Bf4 Nh5 15.Bd2 Bd7
16.a4 Rab8 17.Qd3 Qb6 18.h3 e5 19.Rdb1 f5 20.b4 cxb4 21.Be3 Qa5 22.Na2 
fxe4 23.Qxe4 Bf5 24.Qh4 Bf6 25.Ng5+ Bxg5 26.Bxg5 hxg5 27.Qxg5 Bxb1 28.Rxb1
Qxa4 29.Nxb4 a5 30.Qh4 axb4 31.g4 Qc2 32.Rxb4 Qd1+ 33.Kh2 Qd4 34.Bf1 Qf4+ 
35.Kg1 Kg7 36.Rb6 e4 0-1

[Event "44th Pan-American U20"]
[Site "Cochabamba BOL"]
[Date "2019.08.06"]
[Round "9.25"]
[White "Janco Fernandez, Marcelo Ruben"]
[Black "Moreno, Alejandro"]
[Result "0-1"]
[WhiteElo "1095"]
[BlackElo "1477"]
[ECO "B40"]
[EventDate "2019.08.01"]
[PlyCount "42"]

1.e4 c5 2.Nc3 e6 3.Nf3 Nf6 4.Bc4 Nc6 5.e5 Nh5 6.O-O d5 7.exd6 Bxd6 8.d4 
cxd4 9.Nxd4 Nxd4 10.Qxd4 Bxh2+ 11.Kxh2 Qxd4 12.Bb5+ Bd7 13.Be3 Qe5+ 14.f4 
Qxe3 15.Bxd7+ Kxd7 16.Rad1+ Kc6 17.Rf3 Qb6 18.Rfd3 Rad8 19.Rxd8 Rxd8 20.
Rxd8 Qxd8 21.g3 Qd2+ 0-1

