PGN Chess Game Panamerican Youth Championship 2017 U-18 (CRC)

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[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "1"]
[White "Cori Quispe, Kevin Joel"]
[Black "Premkumar, Hiren"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2410"]
[BlackElo "1911"]
[PlyCount "67"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2
O-O 9. dxc5 Nxc5 10. O-O-O a6 11. Kb1 Qa5 12. Nd4 Na4 13. Nxa4 Qxa4 14. h4 Bd7
15. h5 Rfc8 16. g4 b5 17. Nxc6 Bxc6 18. Bd4 Bd7 19. Bd3 Rab8 20. Qe3 Rc4 21.
Bxc4 bxc4 22. Rhf1 Ba3 23. Rf3 c3 24. Bxc3 Qb5 25. b3 a5 26. f5 a4 27. h6 axb3
28. axb3 Qa4 29. Bb2 Qa6 30. Qg5 g6 31. fxg6 hxg6 32. Qf6 Bf8 33. Qxf7+ Kh8 34.
Qxf8+ 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "2"]
[White "Quesada Campos, Jordi Alessand"]
[Black "Song, Michael"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1906"]
[BlackElo "2410"]
[PlyCount "86"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 a6 5. g3 d5 6. d3 Nf6 7. Bg2 Be7 8. O-O O-O
9. Ne5 Na5 10. Qe2 d4 11. Nd1 Nd7 12. Nf3 b5 13. Nf2 Bb7 14. Bd2 Rc8 15. c3 Nc6
16. b3 dxc3 17. Bxc3 Nb6 18. Qb2 Bf6 19. Bxf6 gxf6 20. Ng4 Kg7 21. Qd2 h5 22.
Ne3 Nd4 23. Nh4 Rc7 24. f5 e5 25. Qd1 Rh8 26. g4 hxg4 27. Qxg4+ Kf8 28. Rf2 Ke7
29. Rc1 Qf8 30. Nf3 Qh6 31. Re1 Rcc8 32. Nxd4 Qxh2+ 33. Kf1 cxd4 34. Nd5+ Bxd5
35. exd5 Qh4 36. Qf3 Kd6 37. Qe2 Qg3 38. Rf3 Qg5 39. Qb2 b4 40. a3 Nxd5 41.
axb4 Ne3+ 42. Rexe3 dxe3 43. Qa3 Rc1+ 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "3"]
[White "Chiku-Ratte, Olivier-Kenta"]
[Black "Jimenez, Pedro"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2344"]
[BlackElo "1906"]
[PlyCount "73"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 h6 8.
Bh4 c6 9. Qc2 O-O 10. Nge2 Re8 11. O-O Ng4 12. Bg3 Bh4 13. Rae1 Bxg3 14. Nxg3
Qh4 15. h3 Ndf6 16. Nf5 Qh5 17. Nd6 Re7 18. Nxc8 Rxc8 19. Bf5 Rce8 20. Bxg4
Nxg4 21. hxg4 Qxg4 22. Qe2 Qh4 23. b4 Re6 24. b5 Rg6 25. g3 f5 26. Qf3 Rf8 27.
bxc6 bxc6 28. Ne2 Rg4 29. Rc1 Rf6 30. Rxc6 Rf8 31. Qxd5+ Kh8 32. Nf4 Kh7 33.
Ng6 Rd8 34. Qxf5 Rxg3+ 35. fxg3 Qxg3+ 36. Kh1 Kg8 37. Rc8 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "4"]
[White "Rojas Cisneros, Kevin"]
[Black "Escalante Ramirez, Brian Sebas"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1888"]
[BlackElo "2340"]
[PlyCount "58"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. O-O Nge7 8.
Bg5 f6 9. Be3 b5 10. Bb3 Na5 11. Bxe6 dxe6 12. Qxd8+ Kxd8 13. Bb6+ Ke8 14. Bxa5
Nc6 15. Bb6 Rb8 16. Bc7 Rb7 17. Bf4 g5 18. Be3 g4 19. Nd4 Ne5 20. a4 b4 21.
Nce2 Bd7 22. Nf4 Kf7 23. b3 Ng6 24. Nd3 e5 25. Nc2 Be6 26. a5 Bxb3 27. Ncxb4
Bxb4 28. Rfb1 Be7 29. Bc5 Rb5 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "5"]
[White "Tello Chavez, Isaac Valent"]
[Black "Lossi C., Cyrano Jose"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2328"]
[BlackElo "1824"]
[PlyCount "45"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 Bf5 5. Bd3 e6 6. Ne2 g5 7. Be5 f6 8. Bg3
Bg6 9. Nbc3 Bg7 10. Nxe4 Bxe4 11. Bxe4 dxe4 12. h4 gxh4 13. Rxh4 f5 14. Nf4 Qe7
15. Qh5+ Kd8 16. d5 Qb4+ 17. Kf1 Qxb2 18. Rd1 Be5 19. dxe6+ Bd6 20. Qf7 Qb5+
21. c4 Qe8 22. c5 Qb5+ 23. Ne2 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "6"]
[White "Miliam Escobar, David Isaac"]
[Black "Quinonez Garcia, Santiago"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1796"]
[BlackElo "2323"]
[PlyCount "52"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. d4 cxd4 3. c3 g6 4. Nf3 Bg7 5. Bc4 d6 6. O-O Nf6 7. Qe2 O-O 8. Nxd4
Qa5 9. Nd2 Nc6 10. N2b3 Qc7 11. f3 Ne5 12. Bd3 Nxd3 13. Qxd3 Nd7 14. Be3 a6 15.
a4 Ne5 16. Qe2 Nc4 17. Rab1 Bd7 18. a5 e5 19. Nc2 Bb5 20. Qf2 Nxe3 21. Nxe3
Bxf1 22. Nd5 Qc4 23. Nd2 Qd3 24. Rxf1 f5 25. c4 Bh6 26. Rd1 fxe4 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "7"]
[White "Nieto Rodriguez, Alejandro"]
[Black "Herrera, Diego"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2299"]
[BlackElo "1704"]
[PlyCount "67"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e4 d6 6. Nge2 c5 7. O-O Nc6 8. d3
Nd7 9. Be3 Nde5 10. h3 f5 11. f4 Nd7 12. d4 Nb6 13. b3 cxd4 14. Nxd4 Nxd4 15.
Bxd4 e5 16. fxe5 dxe5 17. Bc5 Re8 18. Qxd8 Rxd8 19. Bxb6 axb6 20. Nd5 fxe4 21.
Nxb6 Rb8 22. Nxc8 Rbxc8 23. Bxe4 Rc7 24. Rad1 Rd4 25. Bd5+ Kh8 26. Rxd4 exd4
27. Re1 h5 28. Re8+ Kh7 29. a4 b6 30. Kf2 Bh6 31. Ke2 Be3 32. Re6 Rf7 33. Rxe3
dxe3 34. Bxf7 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "8"]
[White "Solano Gomez, Miguel Amiud"]
[Black "Santiago Vilca, Christian Amil"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "0"]
[BlackElo "2260"]
[PlyCount "52"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. d5 e6 8. dxe6
Bxe6 9. Bd3 Nc6 10. a3 Bg4 11. h3 Bxf3 12. gxf3 Nh5 13. Qd2 Nd4 14. Qe3 Nb3 15.
Rb1 Bd4 16. Qe2 Ng3 17. Qg2 Nxh1 18. Qxh1 Bxc3+ 19. bxc3 Nxc1 20. Rxc1 Qh4+ 21.
Ke2 Qxf4 22. Rg1 Rae8 23. h4 h5 24. Qg2 Re5 25. Qf2 Rfe8 26. Re1 f5 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "9"]
[White "Wang, Justin"]
[Black "Wagemans Alvarado, Bryan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2230"]
[BlackElo "1591"]
[PlyCount "85"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nc6 6. Na3 cxd4 7. Nb5 Qd8 8.
Bf4 Bc5 9. Nc7+ Kf8 10. Nxa8 Nge7 11. Nc7 e5 12. Nxe5 Qxc7 13. Ng6+ hxg6 14.
Bxc7 Nd5 15. Bg3 Be6 16. Bc4 Kg8 17. Bxd5 Bxd5 18. O-O Kh7 19. cxd4 Bxd4 20.
Rc1 Rd8 21. Qg4 Bf6 22. Bh4 Be6 23. Qg3 Be5 24. Rxc6 Bxg3 25. Bxd8 Bxh2+ 26.
Kxh2 bxc6 27. a4 Bb3 28. a5 f6 29. Bb6 a6 30. Rc1 Bd5 31. Rc5 Kg8 32. b4 Be4
33. f3 Bd3 34. Rxc6 Bb5 35. Rc5 Kf7 36. Rxb5 axb5 37. a6 Ke6 38. a7 f5 39. a8=Q
Kf6 40. Qe8 Kg5 41. f4+ Kh5 42. Kh3 Kh6 43. Qh8# 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "10"]
[White "Alvarado Castro, Jeaustin"]
[Black "Diaz Contreras, Pedro"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1559"]
[BlackElo "2184"]
[PlyCount "62"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. Nc3 a6 5. a3 Nf6 6. d3 d5 7. exd5 Nxd5 8. Bd2
Be7 9. O-O O-O 10. Re1 b5 11. Ba2 Bf6 12. Nxd5 exd5 13. c3 Bf5 14. Bf4 d4 15.
Ne5 Nxe5 16. Bxe5 dxc3 17. bxc3 Bxe5 18. Rxe5 Qxd3 19. Qxd3 Bxd3 20. Rxc5 Rac8
21. Rxc8 Rxc8 22. Rc1 g6 23. f3 a5 24. Kf2 g5 25. Ke3 Bf5 26. Bd5 b4 27. axb4
axb4 28. Bb3 bxc3 29. Kd4 c2 30. Ba4 Ra8 31. Bc6 Rd8+ 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "11"]
[White "Mc Intosh, Isaiah"]
[Black "Konovalenko, Nicholas"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "2166"]
[BlackElo "1494"]
[PlyCount "57"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Bg7 7. Nc2 O-O 8.
Be2 d6 9. O-O Be6 10. Be3 Ne5 11. b3 Qc8 12. f3 a6 13. Qd2 Rd8 14. Rfc1 Ne8 15.
Nd4 Bh8 16. f4 Ng4 17. Bxg4 Bxd4 18. Bxd4 Bxg4 19. Nd5 Qe6 20. f5 gxf5 21. exf5
Bxf5 22. Rf1 f6 23. Rxf5 Kf7 24. Rff1 Rd7 25. Rf4 f5 26. Raf1 Ng7 27. Bxg7 Kxg7
28. Rxf5 Rg8 29. Rg5+ 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "12"]
[White "Sandi Castro, Allan"]
[Black "Molina Mendoza, Omar"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1335"]
[BlackElo "2159"]
[PlyCount "54"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Bd3 Ne7 6. Be3 O-O 7. O-O Bf5 8.
Nc3 c6 9. Ne2 Nd7 10. Bf4 Qc7 11. Bxd6 Qxd6 12. Ng3 Bg6 13. c3 Rfe8 14. Re1 Qf6
15. Qd2 Nf5 16. Nxf5 Bxf5 17. Re3 Re6 18. Rae1 Rae8 19. Rxe6 Rxe6 20. Qc2 Rxe1+
21. Nxe1 Qe6 22. Nf3 Be4 23. Qe2 Nf6 24. Bxe4 dxe4 25. Ng5 Qxa2 26. h3 h6 27.
Nxe4 Qb1+ 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "13"]
[White "Li, Yinshi"]
[Black "Huertas Gutierrez, Esteban Dav"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2144"]
[BlackElo "1256"]
[PlyCount "81"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Bf5 7. Qb3 Qc8 8. Nh4
c6 9. Nxf5 gxf5 10. O-O e5 11. dxe5 dxe5 12. Bh3 c5 13. e4 Nc6 14. Bxf5 Nd4 15.
Bxc8 Nxb3 16. axb3 Rfxc8 17. Rd1 a6 18. f3 Rd8 19. Be3 Bf8 20. Kf2 h6 21. Ke2
Ne8 22. Na4 Rac8 23. Rxd8 Rxd8 24. Nxc5 Bxc5 25. Bxc5 Kg7 26. Rd1 Rc8 27. Be3
b5 28. c5 Rc6 29. Rd8 Nf6 30. b4 Nh7 31. Rb8 Nf8 32. Rb6 Rxb6 33. cxb6 Nd7 34.
b7 h5 35. Ba7 f6 36. b8=Q Nxb8 37. Bxb8 Kg6 38. f4 exf4 39. gxf4 h4 40. Kf3 Kh5
41. e5 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "14"]
[White "Gonzalez Cascante, Roy"]
[Black "Vivas Zamora, Fabian Ernesto"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1237"]
[BlackElo "2128"]
[PlyCount "40"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bb5+ Bd7 6. Bc4 Nc6 7. d3 e6 8. O-O
Nge7 9. a3 O-O 10. Bd2 a6 11. Ba2 b5 12. h4 Nd4 13. Kf2 Rc8 14. Rh1 b4 15. axb4
cxb4 16. Ne2 Nxc2 17. Rc1 Qb6+ 18. Kg3 b3 19. Bb1 Bxb2 20. Bxc2 Bxc1 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "15"]
[White "Miyasaka, Matthew S"]
[Black "Diaz Calderon, Jahir"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2040"]
[BlackElo "1174"]
[PlyCount "53"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 c6 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nxe5 Be6
8. Be3 Nbd7 9. O-O-O Kc7 10. Nxd7 Bxd7 11. Bf4+ Kc8 12. Bc4 Be6 13. Bxe6+ fxe6
14. f3 h6 15. Ne2 g5 16. Be5 Bg7 17. Rd6 Re8 18. Rhd1 c5 19. b4 b6 20. Rc6+ Kb7
21. Rc7+ Ka6 22. Rxg7 Nh5 23. Rgd7 cxb4 24. R1d4 Ka5 25. a3 bxa3 26. Nc3 Rac8
27. Ra4# 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "16"]
[White "Arce Chevez, Amado Gonzalo"]
[Black "Polgar-Shutzman, Tom"]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "0"]
[BlackElo "2022"]
[PlyCount "96"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nc6 7. O-O a6 8. h3
Bd7 9. e4 e5 10. d5 Nd4 11. Nxd4 exd4 12. Qxd4 Qc8 13. h4 Ng4 14. Qd3 Ne5 15.
Qe2 b5 16. b3 Nxc4 17. bxc4 Bxc3 18. Bb2 Bxb2 19. Qxb2 Rb8 20. Rfc1 bxc4 21.
Qd4 Qb7 22. Qxc4 Rfc8 23. Bf1 Bb5 24. Qb3 c5 25. dxc6 Rxc6 26. Rxc6 Bxc6 27.
Qxb7 Rxb7 28. Bxa6 Ra7 29. Bd3 Ra3 30. Rc1 Bb7 31. Rc7 Ba8 32. Bc4 Bxe4 33.
Bxf7+ Kf8 34. Bb3 h5 35. f4 Bf5 36. Kf2 Bb1 37. Rf7+ Ke8 38. Rg7 Kf8 39. Rd7
Bxa2 40. Bc2 Bf7 41. Bb1 d5 42. Rd6 Kg7 43. f5 gxf5 44. Bxf5 Ra2+ 45. Ke3 Ra3+
46. Kf4 Ra4+ 47. Ke5 Ra3 48. Kf4 Ra4+ 1/2-1/2

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "17"]
[White "Sanchez, Steven"]
[Black "Avendano Porras, Rodrigo"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "1985"]
[BlackElo "0"]
[PlyCount "76"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. c4 e5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nf6 5. Nf3 d6 6. O-O O-O 7. d3 c6 8. Rb1
Bg4 9. Bg5 Qd7 10. Re1 Bh3 11. Bh1 Na6 12. Qd2 Ng4 13. Qc2 d5 14. e4 d4 15. Ne2
f5 16. Bg2 Bxg2 17. Kxg2 fxe4 18. dxe4 d3 19. Qd1 Rxf3 20. Kxf3 Rf8+ 21. Kg2
Nxf2 22. Qd2 Qh3+ 23. Kg1 Nxe4 24. Nf4 Nxd2 25. Nxh3 Nxb1 26. Rxb1 e4 27. Be3
c5 28. Nf2 Re8 29. a3 b6 30. b4 Bf8 31. b5 Nb8 32. Re1 Nd7 33. Bg5 h6 34. Bd2
Nf6 35. Bc3 Bg7 36. Bxf6 d2 37. Rd1 e3 38. Nd3 Bxf6 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "18"]
[White "Herra Abarca, Josue Alberto"]
[Black "Marin Masis, Jose Esteban"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "0"]
[BlackElo "1972"]
[PlyCount "72"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Bg7 6. Nc3 Nf6 7. Be2 d5 8.
Nxc6 bxc6 9. e5 Nd7 10. f4 e6 11. Qd2 c5 12. Nb5 O-O 13. O-O Bb7 14. c3 Bc6 15.
Qe1 a6 16. Na3 Qe7 17. Nc2 f6 18. b4 Ba4 19. Rc1 fxe5 20. bxc5 exf4 21. Rxf4
Rxf4 22. Bxf4 Qxc5+ 23. Ne3 e5 24. Bg3 Bh6 25. Bf2 Bxe3 26. Bxe3 Qxe3+ 27. Kh1
Bb5 28. Bxb5 Qxe1+ 29. Rxe1 axb5 30. Re2 Ra3 31. Rc2 Kf7 32. Kg1 Nc5 33. Rd2
Ke6 34. Rc2 Ne4 35. Kf1 Rxc3 36. Rxc3 Nxc3 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.01"]
[Round "1"]
[Board "19"]
[White "Marquez Pereira, Juan Eduardo"]
[Black "Lopez Gonzalez, Pablo Roberto"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1940"]
[BlackElo "0"]
[PlyCount "85"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Nf6 6. Nf3 Bg4 7. h3 Bf5 8.
Ne5 e6 9. Qe2 Bb4 10. Bd2 O-O 11. O-O-O Nbd7 12. g4 Bg6 13. h4 Bxc3 14. Bxc3
Qc7 15. f3 h6 16. Nxg6 fxg6 17. Bxe6+ Kh8 18. Qd3 Nh7 19. g5 Rae8 20. Qxg6 Qd6
21. gxh6 Qf4+ 22. Bd2 Qf6 23. hxg7+ Qxg7 24. Qxg7+ Kxg7 25. Bxd7 Rd8 26. Rhg1+
Kf7 27. Bf5 Nf6 28. Rde1 Rh8 29. Bg5 Rde8 30. Re5 Nh5 31. Rge1 Rxe5 32. dxe5
Re8 33. e6+ Kg7 34. e7 Nf6 35. Re6 Nd5 36. Bg6 Nc7 37. Bxe8 Nxe6 38. Bh5 Nxg5
39. hxg5 Kg8 40. e8=Q+ Kh7 41. Bg6+ Kg7 42. Qf7+ Kh8 43. Qh7# 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.02"]
[Round "3"]
[Board "7"]
[White "Quesada Campos, Jordi Alessand"]
[Black "Escalante Ramirez, Brian Sebas"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1906"]
[BlackElo "2340"]
[PlyCount "82"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. O-O Nxb5 7. Nxb5 d6 8.
Qe1 Bg4 9. d3 a6 10. Nc3 b5 11. Qg3 Bxf3 12. Rxf3 Nf6 13. f5 b4 14. Ne2 Nd7 15.
Qh4 Ne5 16. Rf2 gxf5 17. exf5 Qb6 18. Nf4 Bf6 19. Qh3 Qc6 20. Nh5 O-O-O 21.
Nxf6 exf6 22. a3 bxa3 23. Rxa3 h5 24. Bf4 Rde8 25. Bxe5 Rxe5 26. Qf3 Qxf3 27.
Rxf3 Kb7 28. g3 Rhe8 29. Ra4 Re1+ 30. Kg2 R8e2+ 31. Rf2 Rxf2+ 32. Kxf2 Rc1 33.
Rc4 Kc6 34. b4 Kb5 35. bxc5 dxc5 36. Ke3 a5 37. Kd2 Rf1 38. Kc3 Rxf5 39. g4
hxg4 40. Rxg4 a4 41. Rg7 Rh5 1/2-1/2

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "4"]
[Board "1"]
[White "Song, Michael"]
[Black "Cori Quispe, Kevin Joel"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2410"]
[BlackElo "2410"]
[PlyCount "47"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 b6 7. Nc3 Nxc3 8.
bxc3 Bb7 9. Bd3 Be7 10. O-O O-O 11. Re1 d6 12. exd6 Qxd6 13. Ne5 Nd7 14. Bf4
Nxe5 15. Bxe5 Qd8 16. Qh5 f5 17. Re3 Qe8 18. Qxe8 Rfxe8 19. Bb5 Red8 20. Bc7
Rdc8 21. Bf4 Bd5 22. Bd7 Rc4 23. Rae1 Bf6 24. Bb5 1/2-1/2

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "4"]
[Board "2"]
[White "Vivas Zamora, Fabian Ernesto"]
[Black "Li, Yinshi"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2128"]
[BlackElo "2144"]
[PlyCount "44"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. e5 Nfd7 7. c3 Nc6 8. O-O
g5 9. dxc5 g4 10. Nd4 Ndxe5 11. Bb5 Bd7 12. N2b3 h5 13. Re1 Ng6 14. c4 dxc4 15.
Bxc4 Nxd4 16. Nxd4 Bxc5 17. Be3 Bb6 18. Qc2 Qf6 19. Nxe6 fxe6 20. Rad1 Ne5 21.
Bxb6 axb6 22. Qb3 O-O 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "4"]
[Board "3"]
[White "Quinonez Garcia, Santiago"]
[Black "Marquez Pereira, Juan Eduardo"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2323"]
[BlackElo "1940"]
[PlyCount "179"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. c3 Qc7 6. Bd3 Bg4 7. O-O Nf6 8.
Re1 e6 9. Bg5 Bd6 10. h3 Bh5 11. Nbd2 Bg6 12. Bxg6 hxg6 13. c4 O-O 14. Bxf6
gxf6 15. cxd5 exd5 16. Nf1 Rfd8 17. Ne3 Bf4 18. Ng4 Kg7 19. g3 Bd6 20. Kg2 Qd7
21. Qb3 Bb4 22. Rec1 Ba5 23. Rc5 Bb6 24. Qe3 Rh8 25. Qf4 Qf5 26. Rb5 Qxf4 27.
gxf4 Nxd4 28. Nxd4 Bxd4 29. Rxd5 Rad8 30. Rb5 b6 31. Re1 Bc5 32. Rb3 Rd2 33.
Kg3 Rhd8 34. Kf3 R8d4 35. Ne3 Bd6 36. Ng2 Rc4 37. Re2 Bxf4 38. Nxf4 Rxf4+ 39.
Kxf4 Rxe2 40. Kf3 Rc2 41. Ra3 Rxb2 42. Rxa7 g5 43. a4 Kg6 44. a5 bxa5 45. Rxa5
Rb4 46. Ra6 Rb7 47. Kg3 Re7 48. Rb6 Re6 49. Rb8 Ra6 50. Rg8+ Kf5 51. Rf8 Ra7
52. Rb8 Kg6 53. Rg8+ Kh7 54. Rb8 Ra5 55. Rb7 Kg7 56. Rb3 f5 57. h4 f6 58. hxg5
fxg5 59. Rb8 Ra3+ 60. Kg2 Kg6 61. Rb5 g4 62. Rc5 Kg5 63. Rb5 Ra4 64. Kg3 Ra3+
65. Kg2 Rf3 66. Ra5 Kh4 67. Rb5 Kg5 68. Ra5 Rd3 69. Rb5 Kf6 70. Ra5 Rb3 71. Rc5
Rb4 72. Ra5 Re4 73. f3 Re2+ 74. Kf1 gxf3 75. Ra3 Rb2 76. Rxf3 Kg5 77. Ra3 Kg4
78. Rc3 f4 79. Ra3 Rc2 80. Rb3 Ra2 81. Rc3 Ra4 82. Rb3 Kf5 83. Kf2 Ke4 84. Kf1
Ra1+ 85. Kf2 Ra7 86. Kf1 Kf5 87. Rc3 Kg4 88. Rb3 Ra2 89. Rc3 Ra7 90. Kf2
 1/2-1/2

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "4"]
[Board "4"]
[White "Polgar-Shutzman, Tom"]
[Black "Chiku-Ratte, Olivier-Kenta"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2022"]
[BlackElo "2344"]
[PlyCount "170"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. c4 e5 8.
Qd3 h6 9. Nc3 Rc8 10. b3 Nf6 11. O-O Be7 12. a4 Be6 13. Ba3 O-O 14. Rfd1 Qa5
15. Nd2 Nd7 16. Nf1 Nc5 17. Qc2 Qd8 18. Ne3 Re8 19. Rab1 g6 20. Qe2 Bf8 21. Qf3
Qh4 22. Ncd5 Kg7 23. Bxc5 Rxc5 24. g3 Qh3 25. b4 Rcc8 26. a5 f5 27. exf5 gxf5
28. Rd4 Be7 29. Nxe7 exd4 30. Nxc8 Bxc8 31. Nd5 Qg4 32. Qxg4+ fxg4 33. Rd1 Bf5
34. Rxd4 Re1+ 35. Kg2 Be4+ 36. f3 Bxf3+ 37. Kf2 Re2+ 38. Kf1 Rxh2 39. Nf4 Rb2
40. Nd3 Ra2 41. Ke1 Re2+ 42. Kf1 Re6 43. Nf4 Re4 44. Rxe4 Bxe4 45. Kf2 Kf6 46.
Ke3 Ke5 47. Ne2 Bg6 48. Nf4 Bf7 49. Nd3+ Kf5 50. Kd4 h5 51. c5 Ke6 52. cxd6
Kxd6 53. Nf4 Kc6 54. Kc3 Be8 55. Kc4 h4 56. gxh4 g3 57. Kd4 Kb5 58. Kc3 Bh5 59.
Nh3 g2 60. Ng1 Bg4 61. Kb3 Be6+ 62. Kc3 Bf7 63. Nf3 Bh5 64. Ng1 Kc6 65. Kc4 Bd1
66. Nh3 Be2+ 67. Kd4 Kd6 68. Ke4 Bg4 69. Ng1 Ke6 70. Kf4 Bh5 71. Ke4 Bg6+ 72.
Kd4 Kf5 73. Ke3 Kg4 74. Kf2 Be4 75. Ke3 Bc6 76. h5 Kxh5 77. Kf4 Kg6 78. Ke5 Kg5
79. Kd4 Kf4 80. Kd3 Bb5+ 81. Kd4 Bf1 82. Kc5 Kg3 83. Kd4 Kh2 84. Nf3+ Kh1 85.
Kc5 Be2 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "4"]
[Board "5"]
[White "Molina Mendoza, Omar"]
[Black "Nieto Rodriguez, Alejandro"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "2159"]
[BlackElo "2299"]
[PlyCount "62"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 g6 2. g3 Bg7 3. Bg2 c5 4. Nf3 Nf6 5. O-O O-O 6. c4 d6 7. Nc3 cxd4 8. Nxd4
Qc7 9. b3 a6 10. Bb2 Nc6 11. Nd5 Nxd5 12. cxd5 Nxd4 13. Bxd4 Bd7 14. Bxg7 Kxg7
15. Qd4+ f6 16. Rfc1 Qa5 17. b4 Qd8 18. a4 a5 19. b5 b6 20. Rc3 Rc8 21. Rxc8
Bxc8 22. Rc1 Bd7 23. Qc3 Qb8 24. Qc7 Rc8 25. Qxd7 Rxc1+ 26. Bf1 Kf8 27. Qe6 Qc8
28. Qe3 Ra1 29. Qh6+ Kg8 30. Qe3 Qh3 31. Qf3 Qxf1# 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "4"]
[Board "6"]
[White "Marin Masis, Jose Esteban"]
[Black "Wang, Justin"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "1972"]
[BlackElo "2230"]
[PlyCount "82"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. e3 Nc6 6. Bg2 Be7 7. O-O O-O 8. Bb2 b6
9. Qe2 Bb7 10. Rd1 dxc4 11. bxc4 Qc7 12. Nc3 Rac8 13. Rac1 a6 14. d4 cxd4 15.
exd4 Na5 16. d5 Qxc4 17. dxe6 Qxe6 18. Re1 Qxe2 19. Rxe2 Bb4 20. Rec2 Nc4 21.
Nd1 Nxb2 22. Nxb2 Ba3 23. Rxc8 Bxc8 24. Rc2 Bf5 25. Re2 Rd8 26. h3 b5 27. Nh4
Be6 28. Bb7 a5 29. Ba6 Rb8 30. Rc2 g5 31. Nf3 Bxa2 32. Nd3 Bd5 33. Nde5 b4 34.
Nd2 b3 35. Rc8+ Rxc8 36. Bxc8 Bb4 37. Nef3 Ne4 38. Nb1 Nd6 39. Bg4 Be4 40. Nfd2
Bxd2 41. Nxd2 b2 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "4"]
[Board "7"]
[White "Diaz Contreras, Pedro"]
[Black "Miyasaka, Matthew S"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2184"]
[BlackElo "2040"]
[PlyCount "93"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d4 cxd4 8.
cxd4 e6 9. Re1 d5 10. e5 Ne4 11. Nbd2 Nxd2 12. Bxd2 Be7 13. Rc1 O-O 14. Rc3
Rfc8 15. a3 b5 16. Rd3 Qd8 17. h4 b4 18. Ng5 Qe8 19. Qg4 bxa3 20. bxa3 Bf8 21.
Nh3 Ne7 22. Nf4 Qb5 23. Ree3 Qb1+ 24. Kh2 Qf1 25. Re1 Qxf2 26. Re2 Qf1 27. Be1
h5 28. Qg5 Rc2 29. Rxc2 Qxe1 30. Nxh5 Ng6 31. Qg3 Qe4 32. Rc7 Qf5 33. Qf3 Nxh4
34. Qxf5 Nxf5 35. g4 Nd6 36. Kg2 Nb5 37. Rb7 Nxa3 38. Rf3 Nc2 39. Rfxf7 Nxd4
40. Nxg7 Rc8 41. Nh5 Rc2+ 42. Kf1 Rc1+ 43. Kf2 Rc2+ 44. Ke3 Bh6+ 45. Kxd4 Rd2+
46. Kc3 d4+ 47. Kc4 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "4"]
[Board "8"]
[White "Premkumar, Hiren"]
[Black "Mc Intosh, Isaiah"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1911"]
[BlackElo "2166"]
[PlyCount "64"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 Na6 5. a3 bxc4 6. e4 e6 7. Bxc4 Nc7 8. Nc3
Bb7 9. Bg5 exd5 10. exd5 Be7 11. Bxf6 Bxf6 12. Nge2 O-O 13. O-O d6 14. Rfd1 Rb8
15. b4 Be5 16. f4 Bf6 17. bxc5 dxc5 18. Rab1 Re8 19. Ne4 Qe7 20. N4g3 g6 21.
Rb3 Red8 22. Ne4 Ne8 23. Rdb1 Nd6 24. Nxc5 Nxc4 25. Nxb7 Nxa3 26. d6 Nxc2 27.
dxe7 Re8 28. Nd6 Rxb3 29. Rxb3 Rxe7 30. Rb8+ Kg7 31. Ne8+ Kh8 32. Nxf6+ Kg7 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "4"]
[Board "9"]
[White "Escalante Ramirez, Brian Sebas"]
[Black "Arce Chevez, Amado Gonzalo"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2340"]
[BlackElo "0"]
[PlyCount "37"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 Qb6 7. dxc5 Bxc5 8. O-O
f6 9. b4 Be7 10. b5 Nb8 11. c4 dxc4 12. Bxc4 Bxb5 13. Be3 Bc5 14. Bxb5+ Qxb5
15. Nc3 Qc6 16. Bxc5 Qxc5 17. Qa4+ Ke7 18. Rac1 a6 19. Ne4 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "4"]
[Board "10"]
[White "Santiago Vilca, Christian Amil"]
[Black "Tello Chavez, Isaac Valent"]
[Result "1/2-1/2"]
[ECO "D44"]
[WhiteElo "2260"]
[BlackElo "2328"]
[PlyCount "94"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5
9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 c5 13. d5 Qb6 14. Bg2 b4 15. O-O
O-O-O 16. Na4 Qd6 17. dxe6 Qxe6 18. Re1 Qd6 19. Bxb7+ Kxb7 20. Re7 Qxd1+ 21.
Rxd1 Kc8 22. Rxf7 Ne5 23. Rxd8+ Kxd8 24. Rg7 Ke8 25. Bf4 Nd7 26. Rg5 Kf7 27.
Be3 Kxf6 28. f4 Ke6 29. Nxc5+ Bxc5 30. Bxc5 c3 31. bxc3 bxc3 32. Be3 Rb8 33.
Ra5 Rb1+ 34. Kf2 c2 35. f5+ Kf6 36. Ra6+ Kxf5 37. Rc6 Rb2 38. Bc1 Rxa2 39. Ke2
Ne5 40. Rc3 Ke4 41. Ra3 Rxa3 42. Bxa3 Nc4 43. Bc1 a5 44. h4 a4 45. h5 a3 46.
Bxa3 Nxa3 47. Kd2 Kf5 1/2-1/2

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "1"]
[White "Li, Yinshi"]
[Black "Song, Michael"]
[Result "0-1"]
[ECO "D71"]
[WhiteElo "2144"]
[BlackElo "2410"]
[PlyCount "92"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. e3 O-O 8.
Nge2 c6 9. O-O e5 10. dxe5 Bxe5 11. e4 Qe7 12. Qc2 Na6 13. a3 Be6 14. b4 Rfd8
15. Bf4 Bg7 16. Rad1 Nc4 17. Bc1 Nc7 18. f4 a5 19. f5 Bd7 20. bxa5 Nxa5 21. Na4
Be8 22. Rxd8 Qxd8 23. Rd1 Qe7 24. Nb6 Rd8 25. Rxd8 Qxd8 26. Qd2 Qxd2 27. Bxd2
Nb3 28. Bf4 Nb5 29. Nc4 gxf5 30. exf5 Bf8 31. a4 N5d4 32. Nxd4 Nxd4 33. Nd6
Ne2+ 34. Kf1 Nxf4 35. Nxe8 Nxg2 36. Kxg2 Be7 37. Nc7 Kf8 38. a5 Bd6 39. a6 bxa6
40. Nxa6 Ke7 41. Kf3 Kf6 42. Ke4 Kg5 43. h3 h5 44. Kd4 Kxf5 45. Nc5 Bxc5+ 46.
Kxc5 Ke4 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "2"]
[White "Cori Quispe, Kevin Joel"]
[Black "Quinonez Garcia, Santiago"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2410"]
[BlackElo "2323"]
[PlyCount "103"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2
O-O 9. O-O Bd7 10. f3 Nxd4 11. Bxd4 a5 12. b3 Bc6 13. Qd2 Nd7 14. Bf2 Nc5 15.
Rab1 e6 16. Bd1 f5 17. exf5 gxf5 18. Bc2 Qe7 19. a3 b6 20. Ne2 e5 21. Ng3 Qe6
22. b4 axb4 23. axb4 Nd7 24. Bb3 Bh6 25. Qd1 Bb7 26. Re1 Kh8 27. c5 d5 28. cxb6
Nxb6 29. Qd4 Nd7 30. f4 Qg6 31. fxe5 f4 32. Nf1 f3 33. Ng3 Rf4 34. Qd1 fxg2 35.
Bc2 Qe6 36. Qd3 Rf7 37. Nf5 Bf4 38. Qd4 Rxf5 39. Bxf5 Qxf5 40. e6+ Ne5 41. Bg3
Kg8 42. Rb3 Bxg3 43. Rxg3+ Ng6 44. Qb6 Rf8 45. Rxg2 Bc8 46. e7 Re8 47. Qd6 d4
48. Rf1 Qd7 49. Rf8+ Kg7 50. Qf6+ Kh6 51. Rf7 Rg8 52. Qg5# 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "3"]
[White "Chiku-Ratte, Olivier-Kenta"]
[Black "Vivas Zamora, Fabian Ernesto"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2344"]
[BlackElo "2128"]
[PlyCount "98"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8.
Rb1 O-O 9. Be2 b6 10. O-O Bb7 11. Qd3 cxd4 12. cxd4 Nd7 13. Bg5 Nf6 14. Nd2 Qd7
15. f3 Rfd8 16. Nb3 Rac8 17. Rfd1 Qa4 18. Rd2 Rd7 19. Qb5 Qxb5 20. Bxb5 Rdc7
21. Bd3 Ne8 22. a4 h6 23. Be3 Nd6 24. Kf2 Nc4 25. Bxc4 Rxc4 26. Na5 Bxe4 27.
fxe4 bxa5 28. e5 R8c7 29. Ra2 f6 30. e6 Rb4 31. Rd1 f5 32. g3 g5 33. Kf3 Rc3
34. Rad2 Rxa4 35. Ke2 Kh7 36. h4 gxh4 37. gxh4 Raa3 38. Bf2 Bf6 39. d5 Be5 40.
d6 Bxd6 41. Rxd6 exd6 42. Rxd6 Ra2+ 43. Kd1 Rxf2 44. e7 Re3 45. Rd7 Kg6 46. h5+
Kxh5 47. Rxa7 Rfe2 48. Rxa5 Kg4 49. Ra4+ f4 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "4"]
[White "Nieto Rodriguez, Alejandro"]
[Black "Premkumar, Hiren"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2299"]
[BlackElo "1911"]
[PlyCount "92"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. e3 Bg7 5. Ne2 b6 6. O-O Bb7 7. d4 Nh6 8. Nbc3
O-O 9. d5 Na5 10. b3 f5 11. Bb2 Nf7 12. Nf4 Qe8 13. Qe2 e5 14. dxe6 dxe6 15.
Bxb7 Nxb7 16. Nb5 Bxb2 17. Qxb2 Qc6 18. f3 a6 19. Nc3 Rae8 20. Kg2 Ne5 21. Nd1
Nd7 22. h4 Nf6 23. Nd3 Nd8 24. Ne5 Qb7 25. Nf2 Nc6 26. Nfd3 Nd7 27. Rf2 Ndxe5
28. Nxe5 Nxe5 29. Qxe5 Qd7 30. h5 Qg7 31. Qxg7+ Kxg7 32. hxg6 hxg6 33. Rd1 Rd8
34. Rfd2 Rxd2+ 35. Rxd2 Kf6 36. Rd7 Rb8 37. a4 b5 38. axb5 axb5 39. Rc7 bxc4
40. bxc4 Rb2+ 41. Kf1 Rb1+ 42. Ke2 Rb2+ 43. Kd3 Rb3+ 44. Ke2 Rb2+ 45. Kf1 Rb1+
46. Kg2 Rb2+ 1/2-1/2

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "5"]
[White "Marquez Pereira, Juan Eduardo"]
[Black "Diaz Contreras, Pedro"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "1940"]
[BlackElo "2184"]
[PlyCount "92"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Ndb5 Qb8 7. Be3 a6 8.
Nd4 Qc7 9. Be2 b5 10. a3 Bb7 11. O-O Nf6 12. Nxc6 dxc6 13. f4 Rd8 14. Qe1 Be7
15. Bf3 c5 16. Kh1 b4 17. axb4 cxb4 18. Na4 Qxc2 19. Nc5 Bxc5 20. Rf2 Qc4 21.
Rc1 Qxc1 22. Qxc1 Be7 23. h3 Nxe4 24. Bxe4 Bxe4 25. Qc4 Bd5 26. Qxa6 O-O 27.
Qb6 Rc8 28. Kh2 Rc6 29. Qb5 Bd6 30. h4 Rb8 31. Qd3 Rbc8 32. Bd4 h6 33. Qg3 g6
34. h5 Kh7 35. hxg6+ fxg6 36. Kh3 Rc1 37. Qd3 Rh1+ 38. Kg3 Be7 39. f5 Bd6+ 40.
Kg4 h5+ 41. Kg5 gxf5 42. Rxf5 Rg8+ 43. Bg7 Rxg7+ 44. Kf6 Rg6+ 45. Kf7 exf5+ 46.
Qxd5 Re1 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "6"]
[White "Wang, Justin"]
[Black "Escalante Ramirez, Brian Sebas"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2230"]
[BlackElo "2340"]
[PlyCount "90"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d5 7. exd6 Qxd6 8.
Na3 Be6 9. d4 c4 10. Bc2 g6 11. O-O Bg7 12. Nd2 O-O 13. Qe2 Rac8 14. Re1 Rfe8
15. Ne4 Qb8 16. Be3 Bf5 17. Rad1 Nd5 18. Nxc4 b5 19. Na3 b4 20. Nb1 bxc3 21.
bxc3 e5 22. dxe5 Nxe3 23. Qxe3 Bxe5 24. g3 Bg7 25. Nbd2 Ne5 26. Bb3 Ng4 27. Qf3
Ne5 28. Qf4 Nd3 29. Qxb8 Rxb8 30. Re3 Rbd8 31. Ng5 Rxe3 32. fxe3 Ne5 33. Ndf3
Rxd1+ 34. Bxd1 h6 35. Nxe5 Bxe5 36. Nf3 Bxc3 37. Bb3 Kg7 38. Kf2 Bd7 39. e4 Ba5
40. Ne5 Be8 41. Bd5 f5 42. exf5 gxf5 43. Bc6 Bh5 44. Bf3 Be8 45. Bc6 Bh5
 1/2-1/2

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "7"]
[White "Rojas Cisneros, Kevin"]
[Black "Tello Chavez, Isaac Valent"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1888"]
[BlackElo "2328"]
[PlyCount "123"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 g6 4. Be2 Bg7 5. d4 Nh6 6. Bf4 Qd8 7. O-O Nd7 8.
c4 O-O 9. Nc3 Nf5 10. Nd5 c6 11. Ne3 Nxe3 12. fxe3 c5 13. Qc2 cxd4 14. exd4 Nf6
15. Rad1 Bf5 16. Bd3 Bg4 17. Be5 Rc8 18. h3 Bxf3 19. Rxf3 Nd7 20. Bxg7 Kxg7 21.
Be4 Qc7 22. Rc3 e5 23. Kh1 f5 24. Bd5 exd4 25. Rxd4 Rfe8 26. Rd1 Re7 27. Qf2
Rce8 28. Bf3 b6 29. b3 Nf6 30. Rcd3 Qf4 31. Rf1 Re3 32. Rxe3 Qxe3 33. Qxe3 Rxe3
34. Rc1 Nd7 35. b4 Ne5 36. c5 bxc5 37. bxc5 Nxf3 38. gxf3 Re7 39. c6 Rc7 40.
Kg2 Kf6 41. Kg3 Ke5 42. h4 h6 43. Rc2 Kd5 44. Kf4 a6 45. h5 gxh5 46. Kxf5 Rxc6
47. Rd2+ Kc5 48. Ke5 Kb4 49. f4 Kc3 50. Rh2 Rc5+ 51. Kf6 Rc6+ 52. Kg7 Kd4 53.
f5 Rc7+ 54. Kg6 Rc3 55. f6 Rg3+ 56. Kf7 Rg5 57. Ke6 Re5+ 58. Kd6 Rf5 59. Rh4+
Kc3 60. Ke6 Rf2 61. f7 Kb2 62. Rxh5 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "8"]
[White "Quesada Campos, Jordi Alessand"]
[Black "Santiago Vilca, Christian Amil"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1906"]
[BlackElo "2260"]
[PlyCount "147"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. Nf3 Nc6 5. Bb5 Nge7 6. exd5 exd5 7. Qe2 f6 8.
Bxc6+ bxc6 9. d3 Kf7 10. O-O Nf5 11. b3 Be7 12. Na4 Re8 13. Qf2 c4 14. dxc4
dxc4 15. Bb2 c5 16. Ba3 Bd7 17. Rad1 Qc7 18. Nxc5 Bc6 19. Nd4 Ne3 20. Qxe3 Bxc5
21. Qc3 Bd5 22. Bxc5 Qxc5 23. Rf2 Re4 24. Nf5 Rae8 25. Qd2 Kf8 26. h3 cxb3 27.
axb3 Bxb3 28. Nxg7 Kxg7 29. cxb3 Rb8 30. Qd3 Re3 31. Qd7+ Kh8 32. Qd6 Qxd6 33.
Rxd6 Rb6 34. Rd7 Rbe6 35. Rc2 Re7 36. Rcc7 Rxd7 37. Rxd7 Rxb3 38. Rxa7 Kg8 39.
Kh2 Rc3 40. h4 Rb3 41. g3 Rb2+ 42. Kh3 Rb5 43. Kg4 h5+ 44. Kf3 f5 45. Re7 Rb3+
46. Kf2 Rb2+ 47. Kf3 Rb3+ 48. Re3 Rb6 49. Re5 Rf6 50. Ke3 Rg6 51. Rxf5 Rxg3+
52. Ke4 Ra3 53. Rxh5 Kg7 54. Kf5 Ra1 55. Rg5+ Kh6 56. Rg8 Ra5+ 57. Kg4 Ra1 58.
Re8 Rh1 59. Kf5 Kg7 60. Re7+ Kf8 61. Rh7 Kg8 62. Rh6 Kg7 63. Rg6+ Kf7 64. Rg4
Ra1 65. Kg5 Ra5+ 66. f5 Kg7 67. Rb4 Ra6 68. Rb7+ Kg8 69. h5 Kf8 70. h6 Kg8 71.
f6 Ra1 72. f7+ Kf8 73. h7 Rg1+ 74. Kf4 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "9"]
[White "Mc Intosh, Isaiah"]
[Black "Marin Masis, Jose Esteban"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "2166"]
[BlackElo "1972"]
[PlyCount "96"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8.
Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6 11. Rc1 Qa5 12. f3 Rfc8 13. b3 a6 14. Na4 Qxd2+
15. Kxd2 Nd7 16. g4 f5 17. exf5 gxf5 18. h3 Rf8 19. Rhg1 f4 20. Bf2 Ne5 21. Nb6
Rad8 22. Rgd1 Bf7 23. Ke1 Be8 24. Nd5 e6 25. Bh4 Rb8 26. Nb6 Ng6 27. Bf2 Rd8
28. Kf1 Bc6 29. Rc2 Ne5 30. Kg2 h5 31. g5 Rf5 32. h4 Ng4 33. c5 Nxf2 34. Kxf2
d5 35. a4 Rff8 36. b4 Be8 37. Bd3 Bd4+ 38. Ke2 e5 39. b5 axb5 40. axb5 e4 41.
fxe4 dxe4 42. Bc4+ Bf7 43. Bxf7+ Rxf7 44. Rc4 f3+ 45. Kf1 e3 46. Rdxd4 e2+ 47.
Kf2 Rxd4 48. Rxd4 Re7 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "10"]
[White "Miliam Escobar, David Isaac"]
[Black "Molina Mendoza, Omar"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1796"]
[BlackElo "2159"]
[PlyCount "76"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bf4 Bd6 5. Bxd6 Qxd6 6. c3 Ne7 7. Bd3 Nbc6 8.
Nf3 Bg4 9. Nbd2 f6 10. Qc2 Qe6+ 11. Be2 Bf5 12. Qd1 g5 13. Nb3 b6 14. Qd2 Ng6
15. g3 O-O 16. O-O-O Rae8 17. Bd3 Be4 18. Rhe1 Qg4 19. Ng1 a5 20. a4 Qd7 21.
Bxe4 Rxe4 22. Rxe4 dxe4 23. d5 Nce5 24. Qd4 Nd3+ 25. Kc2 Nge5 26. Nc1 Qf5 27.
Rd2 Rd8 28. Nxd3 exd3+ 29. Kb3 c5 30. Qe3 Nc4 31. Kxc4 Qxd5+ 32. Kb5 Qd7+ 33.
Kc4 Qd5+ 34. Kb5 Qb3+ 35. Kc6 Qxa4+ 36. Kb7 Qd7+ 37. Kxb6 Rb8+ 38. Kxc5 Rb5+
 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "11"]
[White "Miyasaka, Matthew S"]
[Black "Jimenez, Pedro"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2040"]
[BlackElo "1906"]
[PlyCount "93"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 Nxd4 5. Nxd4 exd4 6. e5 Nd5 7. Qxd4 c6 8.
Bc4 Qa5+ 9. Bd2 Qb6 10. Qxb6 Nxb6 11. Bb3 Bc5 12. Nc3 O-O 13. Bf4 Bd4 14. O-O
c5 15. a4 c4 16. a5 cxb3 17. axb6 Bxb6 18. cxb3 a6 19. Rfd1 f6 20. Nd5 Bxf2+
21. Kh1 g5 22. Nxf6+ Rxf6 23. exf6 gxf4 24. Ra4 Be3 25. Re4 Kf7 26. Rd6 Bc5 27.
Rd5 Bf8 28. Rd3 d6 29. Rc3 Be6 30. Rc7+ Kxf6 31. Rxf4+ Ke5 32. Rf1 d5 33. Rxh7
Rb8 34. Rh8 Bd6 35. Re1+ Kf5 36. g4+ Kxg4 37. Rxb8 Bxb8 38. Rxe6 Kf3 39. Kg1 d4
40. Kf1 Bxh2 41. Ke1 Bf4 42. Kd1 d3 43. Rb6 Be3 44. Rxb7 Ke4 45. Rd7 Bc5 46.
Rc7 Bb4 47. Rc4+ 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "12"]
[White "Solano Gomez, Miguel Amiud"]
[Black "Polgar-Shutzman, Tom"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "0"]
[BlackElo "2022"]
[PlyCount "88"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 e5 7. fxe5 dxe5 8. d5
Na6 9. Be3 Ng4 10. Qd2 Nxe3 11. Qxe3 f5 12. Bd3 Qe7 13. a3 Nc5 14. Bc2 f4 15.
Qf2 a5 16. O-O a4 17. Rad1 Bd7 18. Rd2 Qd6 19. h3 h6 20. Re1 g5 21. Bd1 b6 22.
Nh2 Qg6 23. Qf3 Nb7 24. Qh5 Qd6 25. Bg4 Be8 26. Be6+ Qxe6 27. dxe6 Bxh5 28. Rd7
Nc5 29. Rxc7 Nxe6 30. Rc6 Nd4 31. Rxb6 Rfc8 32. Nd5 Rxc4 33. Rb7 Rc2 34. Nb6
Rd8 35. Nd5 Kh8 36. Ng4 Bxg4 37. hxg4 f3 38. Rf1 Rxg2+ 39. Kh1 Rxg4 40. Kh2 Rc8
41. Ne7 Rg2+ 42. Kh1 Rcc2 43. Ng6+ Kh7 44. Nf8+ Kg8 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "13"]
[White "Sanchez, Steven"]
[Black "Herrera, Diego"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1985"]
[BlackElo "1704"]
[PlyCount "99"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. d3 e5 8. Rb1
a5 9. a3 Nd7 10. b4 axb4 11. axb4 f5 12. Bg5 Bf6 13. Bxf6 Nxf6 14. b5 Ne7 15.
Qb3 Kh8 16. Nd5 Be6 17. Ng5 Bg8 18. Nxf6 Rxf6 19. Bxb7 Rb8 20. Bg2 h6 21. Nf3
g5 22. Qc3 Ng6 23. Nd2 Qe7 24. e3 h5 25. d4 e4 26. f3 exf3 27. Nxf3 g4 28. Nd2
Re8 29. e4 f4 30. gxf4 Nxf4 31. Qe3 Nxg2 32. Kxg2 Ref8 33. Rxf6 Rxf6 34. Rf1
Rg6 35. Rf5 Qh4 36. Qg3 Qh3+ 37. Kf2 Kg7 38. d5 h4 39. Qxh3 gxh3 40. Ke3 Rg2
41. Rf2 Bf7 42. Nf3 Rg4 43. Nd4 Bg6 44. Ne6+ Kg8 45. Rf4 Rg1 46. Nxc7 Rb1 47.
Rxh4 Rb3+ 48. Kf4 Rb4 49. Kg5 Bh7 50. Ne8 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "14"]
[White "Arce Chevez, Amado Gonzalo"]
[Black "Lopez Gonzalez, Pablo Roberto"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "0"]
[BlackElo "0"]
[PlyCount "55"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. Nf3 O-O 6. e3 c5 7. a3 Bxc3+ 8. bxc3
Qa5 9. Qb3 Ne4 10. Rc1 Nxg5 11. Nxg5 cxd4 12. cxd5 dxe3 13. fxe3 Qxd5 14. Qxd5
exd5 15. g3 h6 16. Nh3 Bxh3 17. Bxh3 Re8 18. Kf2 Nc6 19. Rb1 Re7 20. Rhd1 Rd8
21. Rb5 b6 22. Rbxd5 Rxd5 23. Rxd5 Na5 24. Rd7 Rxd7 25. Bxd7 Kf8 26. Bb5 Ke7
27. Kf3 Kd6 28. Ke4 1/2-1/2

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "15"]
[White "Lossi C., Cyrano Jose"]
[Black "Sandi Castro, Allan"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1824"]
[BlackElo "1335"]
[PlyCount "36"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 d5 2. Nf3 Bf5 3. g3 Nf6 4. Bg2 e6 5. O-O Bd6 6. c4 c6 7. Nc3 Nbd7 8. Nh4
Bg6 9. Bg5 h6 10. Nxg6 fxg6 11. Bd2 O-O 12. Qc2 Qe8 13. Qb3 b6 14. f3 dxc4 15.
Qxc4 c5 16. Nb5 Qe7 17. f4 Kh8 18. e4 Bb8 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "16"]
[White "Diaz Calderon, Jahir"]
[Black "Wagemans Alvarado, Bryan"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "1174"]
[BlackElo "1591"]
[PlyCount "58"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. f3 c5 7. e4 d6 8. dxc5
dxc5 9. Qxd8 Rxd8 10. Bg5 Nc6 11. f4 e5 12. Bxf6 gxf6 13. f5 b6 14. Be2 Ba6 15.
Nf3 Na5 16. O-O Bxc4 17. Bxc4 Nxc4 18. a4 Rd3 19. Rac1 Rad8 20. Ne1 Re3 21. Rf3
Rxe4 22. Rd3 Rxe1+ 23. Rxe1 Rxd3 24. Re4 Rxc3 25. g3 Ne3 26. Kf2 Nxf5 27. g4
Nd4 28. h4 Rc2+ 29. Kg1 Re2 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "17"]
[White "Avendano Porras, Rodrigo"]
[Black "Konovalenko, Nicholas"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "0"]
[BlackElo "1494"]
[PlyCount "113"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. d3 Bg7 6. f4 f5 7. exf5 Bxf5 8. Nf3
Nf6 9. O-O O-O 10. Be3 Rb8 11. Rb1 Qd7 12. Re1 b5 13. Nh4 Bh3 14. Qd2 Bxg2 15.
Nxg2 Ng4 16. Ne4 Nxe3 17. Nxe3 a5 18. a3 e5 19. fxe5 Nxe5 20. Rf1 Nf3+ 21. Rxf3
Rxf3 22. Rf1 Rxe3 23. Qxe3 Bd4 24. Nf6+ Bxf6 25. Rxf6 Re8 26. Qd2 Qe7 27. Rf1
b4 28. axb4 axb4 29. c3 Qe3+ 30. Qf2 Qxf2+ 31. Rxf2 b3 32. c4 Re1+ 33. Rf1 Re2
34. Rf2 Rc2 35. Kg2 Kg7 36. Kf3 Kf6 37. Ke3+ Ke5 38. Rxc2 bxc2 39. Kd2 c1=Q+
40. Kxc1 Kd4 41. Kd2 g5 42. h3 h5 43. g4 h4 44. b3 Ke5 45. Ke3 d5 46. cxd5 Kxd5
47. d4 cxd4+ 48. Kd3 Ke5 49. b4 Kf4 50. b5 Kg3 51. b6 Kxh3 52. b7 Kxg4 53. b8=Q
h3 54. Qh2 Kh4 55. Qf2+ Kh5 56. Qg3 g4 57. Kxd4 1-0

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "18"]
[White "Alvarado Castro, Jeaustin"]
[Black "Huertas Gutierrez, Esteban Dav"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1559"]
[BlackElo "1256"]
[PlyCount "114"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. d3 O-O 6. Be3 c6 7. Bb3 c5 8. Qd2
Re8 9. h3 Nc6 10. O-O Rb8 11. a3 Qb6 12. Rab1 Nd4 13. Bxd4 cxd4 14. Ne2 Nd7 15.
Ng5 e6 16. f4 Nc5 17. Ba2 Na4 18. Nf3 Nc3 19. Nxc3 dxc3+ 20. Qf2 Qxf2+ 21. Rxf2
cxb2 22. d4 Bf8 23. Rxb2 d5 24. exd5 Bxa3 25. Rb1 exd5 26. Bxd5 Rd8 27. Bb3 Kg7
28. Rd1 Bf5 29. Ng5 f6 30. Ne6+ Bxe6 31. Bxe6 Rd6 32. f5 Rbd8 33. Rfd2 Bc5 34.
c3 b5 35. Kf1 Bb6 36. d5 Ba5 37. Rd3 Bc7 38. fxg6 hxg6 39. Ke2 a5 40. Rb1 Rb6
41. Kd2 a4 42. Kc2 a3 43. Rd4 a2 44. Ra1 Ra8 45. Kb3 Be5 46. Rb4 Bd6 47. Rxa2
Rxa2 48. Kxa2 Bxb4 49. cxb4 Kf8 50. Kb3 Ke7 51. Bg4 Kd6 52. Bf3 Rb8 53. Be4 f5
54. Bf3 g5 55. g3 Rh8 56. Bg2 Re8 57. Kc2 Re2+ 0-1

[Event "28° Festival Panamericano de la Juventud U18A"]
[Site "San José, Costa Rica"]
[Date "2017.07.03"]
[Round "5"]
[Board "19"]
[White "Herra Abarca, Josue Alberto"]
[Black "Gonzalez Cascante, Roy"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "0"]
[BlackElo "1237"]
[PlyCount "58"]
[EventDate "2017.07.01"]
[EventRounds "9"]
[EventCountry "CRC"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d4 c6 6. Bd3 Bg4 7. h3 Bh5 8.
O-O e6 9. Bg5 Bxf3 10. Qxf3 Qxg5 11. Ne4 Nxe4 12. Bxe4 Nd7 13. Rfe1 Bd6 14. Re3
Qf4 15. Qxf4 Bxf4 16. Rb3 O-O-O 17. g3 Bg5 18. c4 Nf6 19. Bg2 Rxd4 20. c5 Rhd8
21. h4 Bh6 22. Bf3 g6 23. Kg2 Nd7 24. Rc3 Bg7 25. Rc2 Ne5 26. Be2 Rd2 27. Rxd2
Rxd2 28. Bf3 Nxf3 29. Kxf3 Rxb2 0-1

 

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