[Event "Santo Domingo U2000 op"]
[Site "Santo Domingo"]
[Date "2017.06.10"]
[Round "7"]
[White "De la Rosa, Isaias"]
[Black "Reyes Moreno, Marco Antonio"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1794"]
[BlackElo "1699"]
[PlyCount "48"]
[EventDate "2017.06.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. e4 e6 6. Nge2 Be7 7. 0-0 0-0 8. d3 Qc7 9. h3 a6 10. Kh2 Rb8 11. a4 b6 12. Be3 Bb7 13. f4 Rbd8 14. f5 Ne5 15. fxe6 Nfg4+ 16. hxg4 Nxg4+ 17. Kg1 Nxe3 18. Qd2 Nxf1 19. exf7+ Rxf7 20. Rxf1 Rxf1+ 21. Kxf1 Qd7 22. Kg1 Bf6 23. Nf4 Bg5 24. Nce2 Rf8 0-1

[Event "Santo Domingo U2000 op"]
[Site "Santo Domingo"]
[Date "2017.06.10"]
[Round "6"]
[White "Taveras Veras, Felix Miguel"]
[Black "De la Rosa, Isaias"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1604"]
[BlackElo "1794"]
[PlyCount "52"]
[EventDate "2017.06.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. e3 0-0 6. Bd3 dxc4 7. Bxc4 b6 8. 0-0 Bb7 9. a3 Nbd7 10. b4 Rc8 11. Bb2 c5 12. bxc5 bxc5 13. Bb5 cxd4 14. Nxd4 Nc5 15. Na4 Nxa4 16. Qxa4 Qb6 17. Bc1 Ne4 18. Bd3 Nc5 19. Qb5 Nxd3 20. Qxd3 Ba6 21. Qe4 Bxf1 22. Kxf1 Qc7 23. Bb2 Qxh2 24. Qg4 Bf6 25. Rd1 Rc4 26. Ba1 e5 0-1

[Event "Santo Domingo U2000 op"]
[Site "Santo Domingo"]
[Date "2017.06.03"]
[Round "2"]
[White "De la Rosa, Isaias"]
[Black "Morillo Romero, Francisco"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "1794"]
[BlackElo "1945"]
[PlyCount "52"]
[EventDate "2017.06.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. c4 e5 2. g3 g6 3. Bg2 Bg7 4. e4 Nc6 5. Ne2 d6 6. 0-0 Bg4 7. h3 Be6 8. d3 Qd7 9. Kh2 h5 10. Nbc3 Nf6 11. Bg5 h4 12. Bxf6 hxg3+ 13. fxg3 Bxf6 14. Rxf6 Bxh3 15. Qf1 Bxg2+ 16. Kxg2 0-0-0 17. Rxf7 Qg4 18. Nd5 Kb8 19. Qf3 Qh3+ 20. Kf2 Qh2+ 21. Ke1 Nd4 22. Nxd4 exd4 23. Qf2 Qh1+ 24. Qf1 Qh2 25. Qf2 Qh1+ 26. Qf1 Qh2 1/2-1/2

[Event "Santo Domingo U2000 op"]
[Site "Santo Domingo"]
[Date "2017.06.03"]
[Round "3"]
[White "Plata Nelson, Roberto Marino"]
[Black "De la Rosa, Isaias"]
[Result "1-0"]
[ECO "C80"]
[WhiteElo "1966"]
[BlackElo "1794"]
[PlyCount "59"]
[EventDate "2017.06.02"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 Nd6 7. dxe5 Nf5 8. Nc3 Be7 9. Nd5 b5 10. Bb3 0-0 11. c3 Nh4 12. Bf4 Nxf3+ 13. Qxf3 Bb7 14. Qg3 Re8 15. Nxe7+ Qxe7 16. Rfe1 Qf8 17. Rad1 Red8 18. Bg5 Ne7 19. Qh4 Ng6 20. Qh3 Re8 21. Qxd7 Rac8 22. e6 fxe6 23. Bxe6+ Kh8 24. Bf7 Ne5 25. Rxe5 Rxe5 26. Bh5 Be4 27. Qd4 Qd6 28. f3 Qxd4+ 29. cxd4 Bc2 30. Rd2 1-0

[Event "Santo Domingo Duarte Memorial 6th"]
[Site "Santo Domingo"]
[Date "2017.02.04"]
[Round "7"]
[White "De la Rosa, Isaias"]
[Black "Coronado Paulino, Karen Libell"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1823"]
[BlackElo "1710"]
[PlyCount "67"]
[EventDate "2017.01.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. e3 0-0 5. Ne2 d5 6. cxd5 Nxd5 7. d4 exd4 8. Nxd4 Bb4+ 9. Bd2 c5 10. Nc2 Nc6 11. 0-0 Be6 12. Nba3 Qf6 13. Rb1 Rad8 14. Nxb4 Ndxb4 15. Qe2 Bxa2 16. Bc3 Qg6 17. Rbd1 Bb3 18. Rxd8 Rxd8 19. Nc4 b5 20. Nd2 Bc2 21. Qxb5 Bd3 22. Qxc5 Bxf1 23. Bxf1 Nd5 24. Bb5 Nxc3 25. Qxc3 Nb8 26. Nf3 h6 27. Ne5 Qe4 28. Bd3 Qb7 29. f3 Nd7 30. Be4 Qb6 31. Nc6 Re8 32. Qa3 Nc5 33. Bd5 Re5 34. Nxe5 1-0

[Event "Santo Domingo Duarte Memorial 6th"]
[Site "Santo Domingo"]
[Date "2017.02.04"]
[Round "6"]
[White "Rodriguez Nunez, Jose Altagracia"]
[Black "De la Rosa, Isaias"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2252"]
[BlackElo "1823"]
[PlyCount "51"]
[EventDate "2017.01.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. Bg5 Be7 4. Nc3 d5 5. Bxf6 Bxf6 6. e4 g6 7. Qd2 0-0 8. 0-0-0 c6 9. e5 Bg7 10. Kb1 Nd7 11. Qe3 b6 12. g4 c5 13. g5 a6 14. h4 Qc7 15. Re1 cxd4 16. Qxd4 Bb7 17. h5 Rfc8 18. Bd3 Qc5 19. Qf4 b5 20. Ne2 Nb6 21. Ned4 Nc4 22. hxg6 hxg6 23. Rh7 Qf8 24. Reh1 Re8 25. Qf6 Bc8 26. Rh8+ 1-0

[Event "Santo Domingo Duarte Memorial 6th"]
[Site "Santo Domingo"]
[Date "2017.02.03"]
[Round "5"]
[White "De la Rosa, Isaias"]
[Black "Reyes Moreno, Marco Antonio"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1823"]
[BlackElo "1698"]
[PlyCount "79"]
[EventDate "2017.01.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 Bd7 5. e4 e6 6. Nge2 Nf6 7. 0-0 Be7 8. d3 0-0 9. a3 Qc7 10. Rb1 a6 11. b4 Ne5 12. bxc5 dxc5 13. f4 Nc6 14. h3 Rab8 15. Be3 Rbd8 16. Qb3 Bc8 17. Rfd1 Nd4 18. Qb6 Qxb6 19. Rxb6 Rd7 20. e5 Ne8 21. Bf2 g6 22. Nxd4 cxd4 23. Ne4 Bxa3 24. c5 a5 25. Ra1 Bb4 26. Rb1 Kg7 27. R1xb4 axb4 28. Rxb4 f5 29. Nd6 Nxd6 30. exd6 Kf7 31. Bxd4 h6 32. Be5 g5 33. d4 Kg6 34. d5 exd5 35. Bxd5 Rh7 36. Rb6 Kh5 37. Bf3+ g4 38. hxg4+ fxg4 39. Be4 Rhf7 40. d7 1-0

[Event "Santo Domingo Duarte Memorial 6th"]
[Site "Santo Domingo"]
[Date "2017.01.28"]
[Round "2"]
[White "Camacho Campusano, David Daniel"]
[Black "De la Rosa, Isaias"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2145"]
[BlackElo "1823"]
[PlyCount "47"]
[EventDate "2017.01.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bc4 Bg4 7. h3 Bh5 8. 0-0 e6 9. Re1 Be7 10. Qe2 0-0 11. g4 Bg6 12. Ne5 Nbd7 13. h4 h5 14. Nxg6 fxg6 15. Bxe6+ Kh8 16. Bxd7 Nxd7 17. Qxe7 Rae8 18. Qxe8 Rxe8 19. Rxe8+ Kh7 20. Ne4 g5 21. gxh5 Nf8 22. Nxg5+ Kg8 23. Bf4 Qf5 24. Bd6 1-0

[Event "Santo Domingo Duarte Memorial 6th"]
[Site "Santo Domingo"]
[Date "2017.01.28"]
[Round "3"]
[White "De la Rosa, Isaias"]
[Black "Pacheco Marte, Sergio Andres"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1823"]
[BlackElo "1625"]
[PlyCount "69"]
[EventDate "2017.01.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 e5 7. 0-0 Nc6 8. d3 Ne7 9. h3 Ne8 10. Kh2 f5 11. f4 exf4 12. Nxf4 Nf6 13. exf5 Nxf5 14. Ncd5 c6 15. Ne3 Nxe3 16. Bxe3 Re8 17. Qd2 d5 18. cxd5 Nxd5 19. Nxd5 cxd5 20. Bg5 Qd6 21. Bf4 Qd8 22. Bg5 Qd6 23. Rae1 Be6 24. Bf6 Rf8 25. Qg5 Rae8 26. Bxg7 Kxg7 27. Rxf8 Rxf8 28. Qe3 Re8 29. Qd4+ Kg8 30. Qxa7 Qd7 31. Qd4 Qb5 32. Bxd5 Qxd5 33. Qxd5 Bxd5 34. Rxe8+ Kf7 35. Ra8 1-0

[Event "Santo Domingo Duarte Memorial 6th"]
[Site "Santo Domingo"]
[Date "2017.01.27"]
[Round "1"]
[White "De la Rosa, Isaias"]
[Black "Jimenez Paredes, Scarlet"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "1823"]
[PlyCount "63"]
[EventDate "2017.01.27"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Bc5 4. d3 h6 5. Nd5 Nxd5 6. Bxd5 0-0 7. Nf3 d6 8. 0-0 Bg4 9. Be3 Bxe3 10. fxe3 c6 11. Bb3 Qf6 12. Qe1 Qg6 13. Nh4 Qh5 14. Nf5 Qg5 15. Qg3 Na6 16. h3 Nc5 17. hxg4 Nxb3 18. axb3 Rfe8 19. Nxd6 Re6 20. Nxb7 h5 21. Rf5 h4 22. Qh3 Qh6 23. Rh5 Qf6 24. Rxh4 Kf8 25. Rh8+ Ke7 26. Rxa8 Qg5 27. R1xa7 Rh6 28. Nd8+ Kf6 29. Rxf7+ Kg6 30. Qf3 Kh7 31. Raa7 Qxd8 32. Rxg7+ 1-0

[Event "Santo Domingo U2080 op"]
[Site "Santo Domingo"]
[Date "2016.06.11"]
[Round "3"]
[White "Burgos, Thiago"]
[Black "De la Rosa, Isaias"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1804"]
[PlyCount "48"]
[EventDate "2016.06.10"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 dxe4 3. Nxe4 Bf5 4. d3 Bxe4 5. dxe4 Qxd1+ 6. Kxd1 Nc6 7. Bf4 0-0-0+ 8. Bd3 Nb4 9. Rc1 Nf6 10. Ke1 Nxd3+ 11. cxd3 c6 12. Ne2 Rxd3 13. e5 Nd7 14. h4 e6 15. Bg3 Bb4+ 16. Kf1 Rd8 17. Nf4 Rd2 18. h5 Nxe5 19. Bh4 R8d4 20. Bg3 Nc4 21. a3 Bd6 22. b3 Nxa3 23. Ne2 Rd1+ 24. Rxd1 Rxd1# 0-1

[Event "Santo Domingo U2080 op"]
[Site "Santo Domingo"]
[Date "2016.06.11"]
[Round "2"]
[White "De la Rosa, Isaias"]
[Black "Jimenez Matos, Jimmy"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1804"]
[BlackElo "1945"]
[PlyCount "94"]
[EventDate "2016.06.10"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nf6 5. g3 e6 6. Bf4 Nc6 7. Bg2 a6 8. Nf3 Bd7 9. a3 Be7 10. 0-0 0-0 11. Rc1 Rc8 12. Re1 Qb6 13. b4 Qd8 14. Qd3 Na7 15. Ne5 Bb5 16. Nxb5 Nxb5 17. Rxc8 Qxc8 18. Rc1 Qd8 19. a4 Nd6 20. b5 axb5 21. axb5 Qb6 22. Rb1 Rc8 23. e3 h6 24. g4 Ra8 25. g5 hxg5 26. Bxg5 Bd8 27. Bxf6 Bxf6 28. Nd7 Qd8 29. Nc5 Ra2 30. Qb3 Qa5 31. Qb4 Qxb4 32. Rxb4 Bh4 33. Nd3 b6 34. Bf1 Ne4 35. f3 Nd2 36. Be2 Nc4 37. Bf1 Nxe3 38. Rb1 Rd2 39. Ne5 Bf2+ 40. Kh1 Nxf1 41. Rxf1 Bxd4 42. Nc6 Bc5 43. Ra1 Rb2 44. h4 d4 45. h5 d3 46. Ra8+ Kh7 47. Ne5 d2 0-1

[Event "Santo Domingo U2080 op"]
[Site "Santo Domingo"]
[Date "2016.06.10"]
[Round "1"]
[White "Soto Lora, Jose Santiago"]
[Black "De la Rosa, Isaias"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "2025"]
[BlackElo "1804"]
[PlyCount "82"]
[EventDate "2016.06.10"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. e4 0-0 6. Nge2 d6 7. 0-0 Be6 8. d3 Qc8 9. f3 Bh3 10. Be3 Bxg2 11. Kxg2 Nc6 12. g4 Ne7 13. Ng3 c6 14. d4 Re8 15. d5 c5 16. h4 h6 17. Qd2 h5 18. gxh5 Nxh5 19. Nce2 Nxg3 20. Nxg3 f6 21. Bh6 Kf7 22. h5 g5 23. Bxg7 Kxg7 24. Rh1 Rh8 25. Rag1 Rh6 26. Kf2 Qd7 27. b3 Rah8 28. a4 a6 29. Qa5 Ra8 30. b4 b6 31. Qxb6 cxb4 32. c5 dxc5 33. d6 Nc8 34. Qxc5 Rh8 35. Nf5+ Kh7 36. Qxb4 Na7 37. Qd2 Qxa4 38. Rxg5 fxg5 39. Rc1 Rhc8 40. Qxg5 Rc2+ 41. Kf1 Qc4+ 0-1

[Event "DOM-ch U20"]
[Site "Santo Domingo"]
[Date "2015.09.27"]
[Round "7"]
[White "De la Rosa, Isaias"]
[Black "Cruz Fernandez, Johan"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1589"]
[PlyCount "79"]
[EventDate "2015.09.24"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. e4 Nc6 6. Nge2 d6 7. 0-0 Be6 8. d3 0-0 9. h3 Nd4 10. Nxd4 exd4 11. Ne2 c5 12. Bd2 Nd7 13. Nf4 Qe7 14. Nxe6 fxe6 15. f4 Rae8 16. Qf3 b6 17. Rae1 Ne5 18. Qe2 Nf7 19. Qd1 Qd7 20. b4 Nh6 21. b5 Rc8 22. a4 e5 23. fxe5 dxe5 24. Kh2 Rce8 25. a5 Nf7 26. axb6 axb6 27. Qb3 Ra8 28. Ra1 Nd6 29. Ra4 Rxa4 30. Qxa4 Rxf1 31. Bxf1 Bf6 32. Qa8+ Qd8 33. Qa7 Nc8 34. Qa8 Nd6 35. Qa7 Nc8 36. Qb7 Nd6 37. Qd5+ Nf7 38. Qe6 Qd6 39. Qc8+ Qd8 40. Qe6 1/2-1/2

[Event "DOM-ch U20"]
[Site "Santo Domingo"]
[Date "2015.09.27"]
[Round "8"]
[White "Perez Feliz, Jose Enrique"]
[Black "De la Rosa, Isaias"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1893"]
[BlackElo "1589"]
[PlyCount "40"]
[EventDate "2015.09.24"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Na5 4. Be2 Nf6 5. Nc3 d6 6. 0-0 Be7 7. d3 0-0 8. Be3 Nc6 9. d4 Ng4 10. Qd2 Nxe3 11. Qxe3 Bf6 12. d5 Nd4 13. Qd2 Nxf3+ 14. Bxf3 g6 15. Be2 Bg7 16. Bb5 Bd7 17. Bxd7 Qxd7 18. Qd3 Qg4 19. Qe2 Qxe2 20. Nxe2 a6 1/2-1/2

[Event "DOM-ch U20"]
[Site "Santo Domingo"]
[Date "2015.09.26"]
[Round "5"]
[White "De la Rosa, Isaias"]
[Black "Martinez Mateo, Arthur"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1589"]
[BlackElo "1743"]
[PlyCount "53"]
[EventDate "2015.09.24"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 e5 6. Nge2 Nc6 7. 0-0 Ne8 8. d3 d6 9. Rb1 a5 10. a3 Nd4 11. b4 c6 12. Nxd4 exd4 13. Ne2 Nc7 14. Bb2 Ne6 15. f4 Qb6 16. f5 Nd8 17. f6 Bh6 18. Bxd4 Qc7 19. Nf4 Bxf4 20. gxf4 axb4 21. axb4 Ne6 22. Be3 c5 23. Bh3 Nxf4 24. Bxc8 Rfxc8 25. Rxf4 Ra2 26. b5 Rca8 27. Qg4 1-0

[Event "DOM-ch U20"]
[Site "Santo Domingo"]
[Date "2015.09.26"]
[Round "6"]
[White "Tineo Rodriguez, Brian Jeremiah"]
[Black "De la Rosa, Isaias"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2009"]
[BlackElo "1589"]
[PlyCount "67"]
[EventDate "2015.09.24"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 Bg4 9. d3 0-0 10. Nbd2 Nb8 11. h3 Bh5 12. Nf1 Nbd7 13. Ng3 Bg6 14. Nh4 Bh5 15. Nxh5 Nxh5 16. Nf5 Nf4 17. g3 Ne6 18. h4 Bf6 19. Kg2 Ndc5 20. Bd5 Rb8 21. Rb1 Qd7 22. Bg5 c6 23. Bxf6 gxf6 24. Bxc6 Qc7 25. Qd2 Ng7 26. Nh6+ Kh8 27. Bd5 Nce6 28. Ng4 Qe7 29. Qh6 Ne8 30. Ne3 N8g7 31. Bb3 Rg8 32. Nd5 Qd8 33. Nxf6 Nf4+ 34. Kh2 1-0

[Event "DOM-ch U20"]
[Site "Santo Domingo"]
[Date "2015.09.25"]
[Round "3"]
[White "De la Rosa, Isaias"]
[Black "Nova Gomez, Mario de Jesus"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1589"]
[BlackElo "1730"]
[PlyCount "53"]
[EventDate "2015.09.24"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Be7 5. e4 d6 6. Nge2 Be6 7. 0-0 Bxc4 8. d3 Be6 9. Qa4 Qd7 10. Be3 Bh3 11. Rac1 h5 12. Nd5 Bxg2 13. Kxg2 h4 14. Nxe7 Kxe7 15. Rh1 Qg4 16. f3 Qd7 17. Nc3 hxg3 18. hxg3 Rxh1 19. Rxh1 a6 20. Bg5 Qe6 21. Rh7 Rg8 22. Bxf6+ gxf6 23. Nd5+ Kd8 24. Rh6 Rg6 25. Rh8+ Kd7 26. b4 f5 27. b5 1-0

[Event "DOM-ch U20"]
[Site "Santo Domingo"]
[Date "2015.09.24"]
[Round "1"]
[White "De la Rosa, Isaias"]
[Black "Jimenez Matos, Jimmy"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "1589"]
[BlackElo "1943"]
[PlyCount "97"]
[EventDate "2015.09.24"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. b3 Nf6 4. Bg2 e6 5. Nf3 Be7 6. 0-0 0-0 7. d3 b6 8. Nbd2 Bb7 9. Bb2 Nbd7 10. Ne5 Rc8 11. Rc1 Nxe5 12. Bxe5 Nd7 13. Bb2 Bf6 14. Qc2 Bxb2 15. Qxb2 Nf6 16. Nf3 Qe7 17. Ne5 Rfd8 18. Rc2 h6 19. Rfc1 dxc4 20. Rxc4 c5 21. Bxb7 Qxb7 22. Ng4 Ne8 23. b4 Nd6 24. R4c2 cxb4 25. Qxb4 Qd5 26. Qa4 Qb7 27. Rxc8 Rxc8 28. Rxc8+ Nxc8 29. Qe8+ Kh7 30. Ne5 Nd6 31. Qd8 Qd5 32. Nd7 h5 33. Nf8+ Kh6 34. h4 Nb5 35. Nd7 Nc3 36. Qh8+ Kg6 37. Nf8+ Kf6 38. Nh7+ Ke7 39. Qxg7 Nxe2+ 40. Kf1 Qxd3 41. Qf8+ Kd7 42. Nf6+ Kc6 43. Qa8+ Kb5 44. Qe8+ Ka5 45. Qxf7 Nd4+ 46. Kg1 Qd1+ 47. Kh2 Nf3+ 48. Kg2 Ne1+ 49. Kh2 1/2-1/2

[Event "DOM-ch U20"]
[Site "Santo Domingo"]
[Date "2015.09.24"]
[Round "2"]
[White "Medina Medina, Freddy Alberto"]
[Black "De la Rosa, Isaias"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1623"]
[BlackElo "1589"]
[PlyCount "58"]
[EventDate "2015.09.24"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "DOM"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Be7 4. Nf3 d5 5. Bf4 0-0 6. e3 b6 7. Be2 Bb7 8. a3 Nbd7 9. 0-0 c5 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. Rc1 cxd4 13. Qxd4 Bf6 14. Be5 Nxe5 15. Nxe5 Rc8 16. Qf4 Qd6 17. Ng6 e5 18. Nxf8 exf4 19. Rxc8 Bd8 20. Rd1 Kxf8 21. e4 Qd7 22. Ra8 Qc7 23. Rxd5 Qc1+ 24. Bf1 Qxb2 25. Raxd8+ Ke7 26. R8d7+ Ke6 27. Rxa7 Qc1 28. Rdd7 f5 29. Re7+ Kf6 1-0

