[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "9"]
[White "Abril Guiza, Mauricio"]
[Black "Castro Lombana, Juan Pablo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2056"]
[BlackElo "1711"]
[PlyCount "104"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nbd2 Bg4 6. c3 e6 7. Bb5 Qb6 8. Qa4 Rc8 9. Ne5 Bf5 10. 0-0 Be7 11. dxc5 Qxc5 12. Nb3 Qb6 13. Nd4 0-0 14. Bxc6 bxc6 15. Nexc6 Rfe8 16. b4 Bd3 17. Rfd1 Bc4 18. Qxa7 Rxc6 19. Nxc6 Qxc6 20. a4 Ra8 21. Qxe7 Rxa4 22. Qd8+ Ne8 23. h3 f6 24. e4 Kf7 25. exd5 Bxd5 26. Rxa4 Qxa4 27. Rxd5 exd5 28. Qxd5+ Kg6 29. b5 Qxf4 30. g3 Qc1+ 31. Kg2 Qxc3 32. Qe4+ Kf7 33. b6 Qc8 34. Qd5+ Ke7 35. b7 Qb8 36. Qe4+ Kd7 37. Kh2 g6 38. Qd5+ Nd6 39. Qd4 Ke7 40. Qe3+ Kf7 41. Qb3+ Kg7 42. Qd5 Nxb7 43. Qd7+ Kh6 44. h4 Nd6 45. Kg1 Qb1+ 46. Kh2 Ne4 47. Qe8 Nxf2 48. Qe3+ Kh5 49. Qxf2 Qf5 50. Qe2+ Qg4 51. Qe7 Qf5 52. Qxh7+ Kg4 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "2"]
[White "Abril Guiza, Mauricio"]
[Black "Garcia Carey, Osmel"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2056"]
[BlackElo "2249"]
[PlyCount "66"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. Nc3 e6 4. e4 exd5 5. exd5 d6 6. Bb5+ Bd7 7. a4 Be7 8. Nf3 0-0 9. 0-0 Bg4 10. Be2 Nbd7 11. Nd2 Bxe2 12. Qxe2 Re8 13. Nc4 Bf8 14. Qf3 Nb6 15. Na5 Qc8 16. Bg5 Nfd7 17. Rfe1 Ne5 18. Qe4 Qd7 19. Qh4 h6 20. Be3 Qf5 21. Re2 Ng6 22. Qg3 Nxd5 23. Nxd5 Qxd5 24. Rd2 Qe4 25. Qf3 b6 26. Qxe4 Rxe4 27. Nb7 Ne5 28. b3 Ng4 29. a5 bxa5 30. f3 Rxe3 31. fxg4 Re7 32. Nxa5 Re4 33. h3 g6 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "4"]
[White "Abril Guiza, Mauricio"]
[Black "Salazar Perez, Nicolas David"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2056"]
[PlyCount "65"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. Nbd2 d5 5. e3 Bb7 6. Bb5+ Nc6 7. Ne5 Qd6 8. Nxc6 Qd7 9. Nxa7 c6 10. Nxc6 Bxc6 11. Bd3 Be7 12. 0-0 0-0 13. Qf3 g6 14. b3 Kg7 15. Be5 Qd8 16. a4 Kg8 17. Rfe1 Nh5 18. h3 f6 19. Bh2 Bd6 20. Rad1 Bxh2+ 21. Kxh2 Qd6+ 22. Kg1 f5 23. g3 Rfe8 24. Qe2 e5 25. dxe5 Rxe5 26. Nf3 Ree8 27. c4 Qc7 28. Nd4 dxc4 29. Bxc4+ Kh8 30. Nxc6 Qxc6 31. Bd5 Qc7 32. Rc1 Qe5 33. Bxa8 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "6"]
[White "Abril Guiza, Mauricio"]
[Black "Vivas Zamora, Fabian Ernesto"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2056"]
[BlackElo "2375"]
[PlyCount "116"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. h3 c5 7. Bd3 Nc6 8. 0-0 cxd4 9. exd4 Nb4 10. Be2 Bf5 11. Rc1 Rc8 12. a3 Nc6 13. Na4 Ne4 14. g4 Bd7 15. c4 dxc4 16. Bxc4 Na5 17. Bd3 Rxc1 18. Bxc1 Nf6 19. Nc5 Bc8 20. Bf4 b6 21. Ne4 Bb7 22. Re1 Nxe4 23. Bxe4 Bxe4 24. Rxe4 e6 25. Be5 Qd5 26. Qe2 Nc6 27. Bxg7 Kxg7 28. Qe3 Rd8 29. h4 h5 30. g5 Ne7 31. Re5 Qa2 32. b4 Nf5 33. Qf4 Qxa3 34. Rxf5 exf5 35. Qe5+ Kg8 36. Qf6 Rf8 37. Ne5 Qa1+ 38. Kg2 Qxd4 39. b5 Qd5+ 40. Kh2 Qe6 41. Qxe6 fxe6 42. Nxg6 Rd8 43. Ne7+ Kf7 44. Nc6 Ra8 45. f4 a5 46. bxa6 Rxa6 47. Ne5+ Kg7 48. Kg3 b5 49. Kf3 b4 50. Ke3 Rd6 51. Nc4 Rd5 52. Nd2 e5 53. fxe5 f4+ 54. Ke2 Rxd2+ 55. Kxd2 b3 56. e6 b2 57. Kc2 f3 58. e7 Kf7 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "8"]
[White "Brizuela Abreu, Ronald Jesus"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2326"]
[BlackElo "2056"]
[PlyCount "55"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. e4 0-0 8. Nf3 e6 9. Be2 Nxa6 10. 0-0 Bb7 11. Bg5 Qa5 12. a3 exd5 13. exd5 d6 14. Bc4 Nc7 15. Qd3 Bc8 16. Rfe1 Bf5 17. Qd2 Rab8 18. Bf4 Rfd8 19. h3 Bc8 20. Re7 Bf8 21. Rae1 Nh5 22. Ng5 f6 23. Nxh7 Bxe7 24. Rxe7 Rd7 25. Nxf6+ Nxf6 26. Bxd6 Rxd6 27. Qh6 Nce8 28. Qxg6+ 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "3"]
[White "Cortez Vilca, Tomas"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1439"]
[BlackElo "2056"]
[PlyCount "98"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Nd5 Be6 9. Nc4 Bxd5 10. exd5 Nd4 11. c3 Nf5 12. Ne3 Nh4 13. g3 Ng6 14. Bg2 Nf6 15. Nf5 0-0 16. Nxe7+ Nxe7 17. Bg5 Ng6 18. 0-0 h6 19. Bxf6 Qxf6 20. Re1 Rac8 21. Qb3 b5 22. a4 Rc5 23. axb5 Rxb5 24. Qc2 a5 25. Be4 Ne7 26. c4 Rc8 27. Qc3 Nxd5 28. Bxd5 Rxd5 29. Rxa5 Rxa5 30. Qxa5 Rxc4 31. b4 Rc2 32. Rf1 Rb2 33. b5 d5 34. Qa8+ Kh7 35. Qxd5 g6 36. Qc5 e4 37. Re1 Qe6 38. Qc6 Qa2 39. Rf1 e3 40. fxe3 Rxh2 41. Qf3 Kg8 42. Rf2 Rxf2 43. Qxf2 Qb1+ 44. Qf1 Qe4 45. Kf2 Qf5+ 46. Kg2 Qe4+ 47. Qf3 Qc2+ 48. Qf2 Qe4+ 49. Qf3 Qc2+ 1/2-1/2

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "1"]
[White "Licht, David Santiago"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1334"]
[BlackElo "2056"]
[PlyCount "90"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nf3 g6 4. d3 Bg7 5. Bf4 Bxb2 6. Nbd2 Bxa1 7. Qxa1 f6 8. e5 Nb4 9. Qb1 Qa5 10. Be2 Qxa2 11. Qxa2 Nxa2 12. 0-0 Nc3 13. Re1 Kf7 14. d4 g5 15. Be3 g4 16. Nh4 Nxe2+ 17. Rxe2 cxd4 18. Bxd4 d6 19. e6+ Bxe6 20. g3 Nh6 21. Ne4 Bxc4 22. Re1 Rhc8 23. h3 e5 24. Nxd6+ Kg7 25. Nxc8 Rxc8 26. Bxa7 gxh3 27. Rc1 Be6 28. Rxc8 Bxc8 29. Be3 Ng4 30. Nf5+ Bxf5 31. Bb6 e4 32. Kf1 h2 33. Kg2 Bd7 34. f3 exf3+ 35. Kxf3 h1Q+ 36. Kf4 Qf1+ 37. Ke4 Qe2+ 38. Kd4 Qf2+ 39. Kd5 Qxb6 40. Ke4 Qb4+ 41. Kf3 Bc6+ 42. Ke2 Qe4+ 43. Kd2 Qd4+ 44. Ke1 Qf2+ 45. Kd1 Ne3+ 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "10"]
[White "Lopez Giraldo, Maria Camila"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1724"]
[BlackElo "2056"]
[PlyCount "81"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bc4 e6 4. d3 Nge7 5. Nge2 d5 6. exd5 exd5 7. Bb3 Be6 8. Nf4 a6 9. a4 Qd6 10. 0-0 Nf5 11. Re1 Be7 12. Nxe6 fxe6 13. Qf3 Ncd4 14. Qh5+ g6 15. Qh3 0-0 16. Ne2 Nxb3 17. cxb3 e5 18. f4 Bf6 19. Ng3 Nd4 20. Rf1 Nxb3 21. Rb1 Nxc1 22. fxe5 Bxe5 23. Rbxc1 Bd4+ 24. Kh1 Bxb2 25. Rb1 Rxf1+ 26. Rxf1 b5 27. Re1 Be5 28. a5 b4 29. Qg4 Kh8 30. Rf1 b3 31. Rb1 b2 32. Nf1 Rb8 33. Ne3 Bxh2 34. Qf3 Be5 35. Nxd5 Rd8 36. Nb6 Qxd3 37. Qxd3 Rxd3 38. Nc4 Bd4 39. Kh2 Rb3 40. g3 Rb4 41. Ra1 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "7"]
[White "Varon, Juan Camilo"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "2056"]
[PlyCount "58"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Nc3 Bb4 7. Bd3 d5 8. exd5 Qxd5 9. 0-0 Bxc3 10. bxc3 0-0 11. c4 Qe6 12. f3 b6 13. Qe1 Ba6 14. Qh4 Nb4 15. Ba3 Nxd3 16. Bxf8 Nf4 17. Ba3 Bxc4 18. Rfd1 Qf5 19. Qf2 Qg5 20. Kh1 Bd5 21. Be7 e4 22. fxe4 Bxe4 23. Rg1 Ng4 24. Qg3 Qxe7 25. Qxf4 f5 26. Rae1 Qh4 27. Qg3 Nf2+ 28. Qxf2 Qxf2 29. Nc1 Bxg2+ 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "5"]
[White "Vera Leguizamo, Victor"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2056"]
[PlyCount "70"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 e6 6. Nf3 Be7 7. a3 b6 8. Bd3 Bb7 9. Nc3 d6 10. Bd2 Nd7 11. Rc1 dxe5 12. dxe5 h6 13. 0-0 0-0 14. Re1 Nc5 15. Bb1 Ba6 16. Nxd5 Qxd5 17. Re3 Rad8 18. b4 Nd3 19. Rc3 Nf4 20. Be4 Qd7 21. Bc6 Qc8 22. b5 Bb7 23. Qc2 Bc5 24. Re1 Bxc6 25. bxc6 Nd5 26. Rc4 Qxc6 27. Bb4 Rc8 28. Bxc5 bxc5 29. Rg4 Ne7 30. Qc1 Kh7 31. Ng5+ hxg5 32. Qxg5 Nf5 33. Re3 Rcd8 34. Rh3+ Kg8 35. f3 Qd5 0-1

[Event "Tunja Boyaca op"]
[Site "Tunja"]
[Date "2019.08.03"]
[Round "6"]
[White "Prado, Leonardo"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2077"]
[BlackElo "2017"]
[PlyCount "80"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nc3 Be7 7. Be3 0-0 8. Bd3 Nc6 9. b3 Bf6 10. Nge2 Re8 11. 0-0 Nb4 12. Bb1 Bg4 13. a3 Nc6 14. Qd3 g6 15. Ng3 d5 16. c5 Nc8 17. b4 a6 18. Ba2 N6e7 19. Rae1 c6 20. Qd2 Nf5 21. Nxf5 Bxf5 22. Ne2 Ne7 23. Ng3 Be6 24. Bb1 Qd7 25. Bf4 Bf5 26. Ba2 h5 27. Be5 Bxe5 28. Rxe5 f6 29. Re3 h4 30. Ne2 Kg7 31. Re1 Ng8 32. Nf4 g5 33. Nd3 Bg6 34. f3 Rxe3 35. Rxe3 Re8 36. Bb3 Nh6 37. Ne1 Nf5 38. Rxe8 Qxe8 39. Nc2 Qe6 40. Kf2 Kf7 1/2-1/2

[Event "Tunja Boyaca op"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "3"]
[White "Abril Guiza, Mauricio"]
[Black "Palencia Morales, Wilson Guillermo"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2017"]
[BlackElo "2279"]
[PlyCount "46"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 cxd4 5. exd4 Bf5 6. c3 e6 7. Nbd2 Bd6 8. Bxd6 Qxd6 9. Nh4 Bg6 10. Be2 Nge7 11. h3 f6 12. Nxg6 hxg6 13. 0-0 g5 14. Bd3 f5 15. Qa4 g4 16. f4 gxh3 17. g3 g5 18. Rae1 gxf4 19. gxf4 e5 20. Kh1 e4 21. Bb5 0-0-0 22. c4 Rdg8 23. cxd5 Qg6 0-1

[Event "Tunja Boyaca op"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "2"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2102"]
[BlackElo "2017"]
[PlyCount "88"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. Nd2 Nf6 4. g3 e6 5. Bg2 Be7 6. Ngf3 Qc7 7. 0-0 b6 8. e5 Ng4 9. Nc4 b5 10. Nd6+ Bxd6 11. exd6 Qxd6 12. Bf4 Qe7 13. d4 d5 14. c4 bxc4 15. Nd2 Nh6 16. Nxc4 Nf5 17. Re1 0-0 18. Bxd5 exd5 19. Rxe7 Nfxe7 20. Ne5 Nxd4 21. b4 Ne6 22. bxc5 Nxc5 23. Nf3 Rd8 24. Nd4 Ne6 25. Be3 Nxd4 26. Bxd4 Be6 27. Rc1 Nf5 28. Rc7 a5 29. g4 Nd6 30. f3 Rdc8 31. Rc5 Nc4 32. f4 Rxc5 33. Bxc5 Rc8 34. Bd4 f6 35. h4 h6 36. f5 Bf7 37. g5 hxg5 38. hxg5 Nd6 39. g6 Nxf5 40. gxf7+ Kxf7 41. Bb6 Ke6 42. Qe1+ Kd6 43. Bxa5 Rc4 44. Bb4+ Kd7 0-1

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.16"]
[Round "6"]
[White "Gonzalez Lopez, Nicolas Mateo"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2186"]
[BlackElo "1996"]
[PlyCount "76"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Qa5+ 5. Nc3 Nd4 6. Bc4 b5 7. Bd5 Nxd5 8. exd5 b4 9. Ne4 b3+ 10. Bd2 bxc2 11. Bxa5 cxd1Q+ 12. Kxd1 Nxf3 13. gxf3 d6 14. Re1 Kd7 15. b4 Bb7 16. bxc5 Bxd5 17. cxd6 exd6 18. Bc3 Rg8 19. f4 f5 20. Ng3 g6 21. Kd2 Bh6 22. Ne2 Rab8 23. Rab1 Bf3 24. Ke3 Bxe2 25. Kxe2 Bxf4 26. Kf3 Bh6 27. Bf6 Rxb1 28. Rxb1 Rc8 29. Bd4 Kc6 30. Rb3 Ra8 31. a4 a6 32. Rc3+ Kd5 33. Bb6 Rb8 34. a5 Rb7 35. Rc8 Bd2 36. Ra8 Bb4 37. Rxa6 Bc5 38. Bxc5 dxc5 1/2-1/2

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.15"]
[Round "5"]
[White "Abril Guiza, Mauricio"]
[Black "Rojas Castillo, Leibnitz Edison"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1996"]
[BlackElo "1623"]
[PlyCount "79"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 Nc6 4. e3 Bg4 5. Be2 e6 6. 0-0 Bb4 7. c4 Bd6 8. Bg5 Be7 9. Nc3 0-0 10. Rc1 Qd7 11. Ne5 Nxe5 12. dxe5 Bxe2 13. Qxe2 Ne4 14. Nxe4 dxe4 15. Rfd1 Qe8 16. Bxe7 Qxe7 17. Rd4 Rad8 18. Rxe4 c5 19. Rg4 Rd7 20. h4 Rfd8 21. Rc2 Rd1+ 22. Kh2 Qc7 23. f4 Qa5 24. b4 Qxb4 25. Rb2 R1d2 26. Rxb4 Rxe2 27. Rxb7 Rxa2 28. Rc7 Ra5 29. e4 g6 30. f5 exf5 31. exf5 Rd4 32. Rc8+ Kg7 33. f6+ Kh6 34. Rxd4 cxd4 35. e6 d3 36. exf7 d2 37. f8Q+ Kh5 38. Qd6 Rf5 39. Qxd2 Rxf6 40. Qg5# 1-0

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.15"]
[Round "4"]
[White "Morales Guerrero, Andres Felipe"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1758"]
[BlackElo "1996"]
[PlyCount "104"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. a4 Nxb5 5. Nxb5 e5 6. d3 a6 7. Nc3 d6 8. f4 exf4 9. Bxf4 Be7 10. Nf3 Nf6 11. 0-0 0-0 12. Qe1 Nh5 13. Be3 Bf6 14. b3 Re8 15. Rd1 Be6 16. Ne2 g6 17. Qf2 Qe7 18. Nf4 Nxf4 19. Bxf4 Bg4 20. Kh1 Rad8 21. Qg3 Bh5 22. Rde1 Bxf3 23. Qxf3 Be5 24. Bd2 Rd7 25. Qg4 h5 26. Qg5 Qxg5 27. Bxg5 Bc3 28. Re3 d5 29. exd5 Rxe3 30. Bxe3 Rxd5 31. Kg1 Re5 32. Rf3 f5 33. Kf2 Kf7 34. Rf4 Ke6 35. Rc4 Bb4 36. c3 b5 37. axb5 axb5 38. Rxb4 cxb4 39. cxb4 Rd5 40. Ke2 Rd8 41. Bc5 f4 42. d4 Kf5 43. h3 Ke4 44. Kf2 Ra8 45. Kg1 g5 46. Be7 g4 47. hxg4 hxg4 48. Kh2 Kxd4 49. Bc5+ Ke4 50. Kg1 Ra2 51. Kh2 f3 52. Kg3 Rxg2+ 0-1

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.14"]
[Round "3"]
[White "Abril Guiza, Mauricio"]
[Black "Ruiz Aguilar, Pablo Alexander"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1996"]
[BlackElo "2191"]
[PlyCount "96"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 Qb6 7. Nb3 Bf5 8. Bd3 Bxd3 9. Qxd3 Rc8 10. c3 e6 11. 0-0 Be7 12. Rfe1 0-0 13. Nbd2 Nh5 14. Bg5 Bd6 15. Qe3 Qc7 16. g3 Rfe8 17. Ne5 f6 18. Nxc6 bxc6 19. Qf3 Nxg3 20. Bxf6 Nf5 21. Be5 c5 22. Nb3 Bxe5 23. Rxe5 cxd4 24. Rxf5 exf5 25. Qxd5+ Qf7 26. Qxf7+ Kxf7 27. Nxd4 Kf6 28. Rd1 Re5 29. Kg2 g5 30. Rd2 Rd8 31. Rc2 Rd6 32. a4 Re1 33. f3 h5 34. Kf2 Rh1 35. Kg2 Ra1 36. b3 a6 37. h4 gxh4 38. Kh3 Rh1+ 39. Kg2 Rd1 40. Kh3 Kg5 41. f4+ Kxf4 42. Rf2+ Ke4 43. Kxh4 f4 44. Kxh5 Rh1+ 45. Kg5 Rg1+ 46. Kh5 Rd8 47. Rxf4+ Kxf4 48. Ne2+ Kf5 0-1

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.14"]
[Round "2"]
[White "Torres, Carlos Fernando"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1783"]
[BlackElo "1996"]
[PlyCount "64"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nf6 3. Bb2 d5 4. e3 g6 5. c4 Bg7 6. cxd5 0-0 7. Bc4 Na6 8. Nc3 Nb4 9. a3 Nbxd5 10. Nxd5 Nxd5 11. Bxg7 Kxg7 12. Qc2 a6 13. Rc1 Nf6 14. Be2 Bf5 15. Qc3 Rc8 16. h3 Kg8 17. d3 Nd5 18. Qd2 Be6 19. e4 Nf6 20. e5 Nd5 21. Rc4 f6 22. Qh6 Rf7 23. h4 Qf8 24. Qxf8+ Rfxf8 25. exf6 exf6 26. Kd2 b5 27. Rcc1 Rfd8 28. g3 Nb6 29. Kc3 c4 30. dxc4 bxc4 31. Kb2 cxb3 32. Rxc8 Na4+ 0-1

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.13"]
[Round "1"]
[White "Abril Guiza, Mauricio"]
[Black "Gomez Leon, Nicolas"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1996"]
[BlackElo "1389"]
[PlyCount "41"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. c4 e6 4. e3 c6 5. Nf3 Bd6 6. Ne5 Qc7 7. Bg3 Ne4 8. c5 Nxg3 9. cxd6 Qa5+ 10. Nc3 Nxh1 11. Qh5 g6 12. Qf3 f5 13. g4 Nxf2 14. Qxf2 Nd7 15. Qh4 Qd8 16. Qh6 Nxe5 17. dxe5 Qd7 18. gxf5 gxf5 19. Be2 Rg8 20. Bh5+ Kd8 21. Qf6+ 1-0

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.16"]
[Round "9"]
[White "Valle, Efrain"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2155"]
[BlackElo "2020"]
[PlyCount "69"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nf6 3. Bg2 e6 4. 0-0 d5 5. d3 Nc6 6. Nbd2 Be7 7. e4 b6 8. exd5 exd5 9. Re1 0-0 10. Nf1 Bb7 11. Nh4 Re8 12. Nf5 Bf8 13. Bg5 Rxe1 14. Qxe1 h6 15. Bd2 d4 16. h3 Qd7 17. g4 Re8 18. Qd1 Ne7 19. N1g3 Bxg2 20. Kxg2 Qd5+ 21. Qf3 Nxf5 22. Nxf5 Kh7 23. Qxd5 Nxd5 24. Kf3 g6 25. Ng3 Bd6 26. Ne4 Be5 27. Re1 Kg7 28. Nd6 Re6 29. Nc4 Bc7 30. Rxe6 fxe6 31. a4 h5 32. g5 Kf7 33. Ke4 Ke7 34. b4 cxb4 35. Kxd4 1-0

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.15"]
[Round "8"]
[White "Abril Guiza, Mauricio"]
[Black "Velasquez, Andres Felipe"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2020"]
[BlackElo "1731"]
[PlyCount "68"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 0-0 5. Be2 d6 6. 0-0 Nbd7 7. h3 c5 8. c3 b6 9. Nbd2 Bb7 10. a4 a6 11. Bh2 Qc7 12. Qb3 Rac8 13. Ne1 cxd4 14. cxd4 Qb8 15. Bf3 Bxf3 16. Nexf3 Qb7 17. Rac1 Rc6 18. Rc3 Rfc8 19. Ng5 e6 20. Nde4 h6 21. Nxe6 Rc4 22. Rxc4 Rxc4 23. Qxc4 fxe6 24. Qxe6+ Kh7 25. Qxd6 Qxe4 26. Rc1 g5 27. Qc6 Nc5 28. Qxe4+ Ncxe4 29. Rc6 Nd5 30. Re6 Nd2 31. Rd6 Nb4 32. Rxb6 Nd3 33. Rxa6 Nxb2 34. a5 Nb3 1-0

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.12"]
[Round "4"]
[White "Abril Guiza, Mauricio"]
[Black "Zapata, Olga Maria"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "2020"]
[BlackElo "1715"]
[PlyCount "73"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. c4 e6 4. Nc3 Nf6 5. e3 Bd6 6. Bg5 c6 7. Qb3 b6 8. Nf3 Nbd7 9. Be2 h6 10. Bh4 0-0 11. 0-0 Rc8 12. cxd5 cxd5 13. Rac1 g5 14. Bg3 Bxg3 15. hxg3 Bg6 16. Ba6 Rc7 17. Nb5 Rxc1 18. Rxc1 Nb8 19. Rc8 Qe7 20. Rc7 Qd8 21. Rxa7 Nxa6 22. Rxa6 Qc8 23. Nc7 Qxc7 24. Ne5 Rb8 25. f3 Kg7 26. Qa3 Ne8 27. Ra7 Rb7 28. Ra8 Nd6 29. Kh2 Nc8 30. Qa6 Rb8 31. Rxb8 Qxb8 32. Qb5 Qc7 33. b3 Nd6 34. Qb4 f6 35. Ng4 h5 36. Nf2 Nf7 37. f4 0-1

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.11"]
[Round "2"]
[White "Abril Guiza, Mauricio"]
[Black "Pena, Alcides"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2020"]
[BlackElo "1728"]
[PlyCount "57"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. c3 Nc6 4. e3 a6 5. Bd3 Bg4 6. Nbd2 e6 7. 0-0 Bd6 8. e4 cxd4 9. cxd4 Nxd4 10. exd5 Nxf3+ 11. Nxf3 exd5 12. Qa4+ Qd7 13. Bb5 Qxb5 14. Qxg4 g6 15. Re1+ Ne7 16. Bg5 Qd7 17. Qh4 Kf8 18. Bf6 Nf5 19. Qh3 Kg8 20. Rad1 h5 21. Bxh8 Kxh8 22. Nd4 Qc7 23. Nxf5 gxf5 24. Qxh5+ Kg7 25. Rxd5 Rh8 26. Qg5+ Kf8 27. g3 Be7 28. Rxe7 Qxe7 29. Rd8+ 1-0

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.11"]
[Round "3"]
[White "Pazos Gambarrotti, Plinio Efrain"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2232"]
[BlackElo "2020"]
[PlyCount "58"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 c5 2. e4 cxd4 3. Nf3 Nc6 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Nc4 b5 9. Ne3 Nf6 10. Ned5 Nxd5 11. Nxd5 0-0 12. Be2 Bg5 13. 0-0 Bxc1 14. Rxc1 Be6 15. Ne3 Ne7 16. Bg4 Qd7 17. c4 Bxg4 18. Nxg4 f5 19. exf5 bxc4 20. Nxe5 Qd8 21. Nxc4 Nxf5 22. Ne3 Nh4 23. Rc6 Rf6 24. Qd5+ Kh8 25. Rd1 Qf8 26. Rd2 Re8 27. h3 Rxe3 28. fxe3 Rf1+ 29. Kh2 Nf5 1-0

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.10"]
[Round "1"]
[White "Gallego Alcaraz, Andres Felipe"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2453"]
[BlackElo "2020"]
[PlyCount "85"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 c5 4. d5 f5 5. g3 b5 6. cxb5 a6 7. bxa6 Nf6 8. Bg2 Nxa6 9. 0-0 Bb7 10. Nc3 Nb4 11. Ne1 Qb6 12. a3 Na6 13. Nc2 0-0 14. Ne3 Nc7 15. Rb1 Nfe8 16. Qc2 Nd6 17. Na4 Rxa4 18. Qxa4 Ncb5 19. Nc2 Ra8 20. Qb3 Qa6 21. Bd2 c4 22. Qe3 Bf6 23. Bb4 Qa4 24. Rfc1 Nf7 25. Qd2 Rc8 26. Ne3 Nfd6 27. Qd1 Qa6 28. Nc2 Nf7 29. b3 cxb3 30. Rxb3 Qa4 31. Rbb1 Qa8 32. Ne3 Rxc1 33. Qxc1 Nd4 34. Qd2 Ba6 35. d6 Qe8 36. dxe7 Nxe2+ 37. Kh1 Bxe7 38. Nd5 Bg5 39. f4 Bd8 40. Re1 Qe6 41. Nc3 Bb6 42. Rxe2 Bxe2 43. Qxe2 1-0

[Event "Gachantiva Boyaca Cup"]
[Site "Gachantiva"]
[Date "2016.06.06"]
[Round "5"]
[White "Abril Guiza, Mauricio"]
[Black "Gelvez Chaparro, Jorge Enrique"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2013"]
[BlackElo "1688"]
[PlyCount "78"]
[EventDate "2016.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. Be2 d6 6. h3 Nbd7 7. 0-0 c5 8. c3 b6 9. Nbd2 Bb7 10. Bh2 Re8 11. a4 a6 12. Ne1 e5 13. Nc4 Qc7 14. dxe5 dxe5 15. Nd6 Re6 16. Nxf7 Kxf7 17. Bc4 Qc6 18. f4 Nd5 19. f5 gxf5 20. e4 Ne3 21. Qh5+ Kg8 22. Bxe6+ Qxe6 23. exf5 Rf8 24. Qe2 Nxf5 25. Nf3 Qg6 26. Rad1 Rf7 27. Rf2 Bh6 28. Nxe5 Nxe5 29. Qxe5 Be3 30. Rd8+ Rf8 31. Rxf8+ Kxf8 32. Qb8+ Qe8 33. Bd6+ Kf7 34. Qxb7+ Kg6 35. Qf3 Bxf2+ 36. Qxf2 Qxa4 37. Bf4 Qe4 38. Qf3 Qxf3 39. gxf3 Ne7 1/2-1/2

[Event "Gachantiva Boyaca Cup"]
[Site "Gachantiva"]
[Date "2016.06.06"]
[Round "6"]
[White "Hernandez Fonseca, Maria Paula"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1905"]
[BlackElo "2013"]
[PlyCount "82"]
[EventDate "2016.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 b6 3. e3 d6 4. Bb2 Nf6 5. c4 g6 6. d4 Bg7 7. Nc3 Nbd7 8. Bd3 a6 9. d5 0-0 10. 0-0 b5 11. e4 bxc4 12. bxc4 Rb8 13. Rb1 Ng4 14. Qd2 Qa5 15. Ba1 Rxb1 16. Rxb1 Nde5 17. Nxe5 Nxe5 18. Qc2 f5 19. f3 Bh6 20. exf5 Nxd3 21. Qxd3 Bxf5 22. Ne4 Qxa2 23. Re1 Rf7 24. Bc3 Bg7 25. Bxg7 Rxg7 26. Qc3 Bxe4 27. Rxe4 Kf8 28. Qe1 Qa4 29. Rf4+ Rf7 30. Rxf7+ Kxf7 31. Qe6+ Kf8 32. Qc8+ Kg7 33. Qe6 Qd1+ 34. Kf2 Qd4+ 35. Kg3 Qe5+ 36. Qxe5+ dxe5 37. Kf2 Kf6 38. Ke3 a5 39. Kd3 Kf5 40. Kc3 e4 41. fxe4+ Kxe4 0-1

[Event "Gachantiva Boyaca Cup"]
[Site "Gachantiva"]
[Date "2016.06.05"]
[Round "4"]
[White "De la Rosa, Eugenio"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1727"]
[BlackElo "2013"]
[PlyCount "44"]
[EventDate "2016.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 b6 4. Bf4 Bb7 5. e3 d6 6. h3 g6 7. Nbd2 Bg7 8. Bd3 0-0 9. Qc2 Nc6 10. Ne4 cxd4 11. Nxf6+ exf6 12. cxd4 Nb4 13. Qd2 Nxd3+ 14. Qxd3 a5 15. Qa3 Ba6 16. Qxd6 Qc8 17. Qc7 Qf5 18. Qc1 Rac8 19. Qb1 Rc2 20. Nd2 Rfc8 21. Qd1 Qd3 22. b3 Rc1 0-1

[Event "Gachantiva Boyaca Cup"]
[Site "Gachantiva"]
[Date "2016.06.04"]
[Round "1"]
[White "Abril Guiza, Mauricio"]
[Black "Castillo Barajas, Maria Carol"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2013"]
[PlyCount "25"]
[EventDate "2016.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. e3 Bf5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. h3 h6 8. c5 b6 9. Bb5 Qd7 10. Qa4 0-0 11. Bxc6 Qd8 12. cxb6 cxb6 13. Bxa8 1-0

[Event "Gachantiva Boyaca Cup"]
[Site "Gachantiva"]
[Date "2016.06.04"]
[Round "2"]
[White "Santoyo Silva, Sergio Julian"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1844"]
[BlackElo "2013"]
[PlyCount "91"]
[EventDate "2016.06.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. Nd5 Nf6 6. Nxe7 Qxe7 7. d3 0-0 8. 0-0 d6 9. h3 Be6 10. Bg5 h6 11. Bxf6 Qxf6 12. Bb3 Ne7 13. Nh2 Ng6 14. Qf3 Nf4 15. Bxe6 fxe6 16. Ng4 Qh4 17. Nh2 Qg5 18. Qg4 Qe7 19. Kh1 Rf6 20. Qh4 g5 21. Qg3 Raf8 22. Ng4 Rg6 23. f3 Qh7 24. Ne3 h5 25. Qh2 h4 26. Ng4 Nh5 27. Qg1 Ng3+ 28. Kh2 Qf7 29. Qe3 Nxf1+ 30. Rxf1 Qf4+ 31. Qxf4 gxf4 32. c4 Rb8 33. a4 Rg7 34. Rb1 Rc7 35. b4 cxb4 36. Rxb4 Kg7 37. Nf2 Rc6 38. a5 Ra6 39. Rb5 b6 40. Rb2 Rxa5 41. Nd1 Ra3 42. Rd2 b5 43. cxb5 Rxb5 44. d4 exd4 45. Rxd4 e5 46. Rd5 0-1

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.09"]
[Round "9"]
[White "Tovio, Israel"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2344"]
[BlackElo "1999"]
[PlyCount "51"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. e5 Nd5 5. Nc3 Nc7 6. Bxc6 dxc6 7. d3 g6 8. Ne4 Ne6 9. Be3 b6 10. Qd2 Bg7 11. Bh6 Bb7 12. Bxg7 Nxg7 13. 0-0-0 Qc7 14. Rhe1 0-0-0 15. Nfg5 Rdf8 16. d4 cxd4 17. Qxd4 Nf5 18. Qc4 Qxe5 19. Nxf7 Rxf7 20. Qxf7 Qxh2 21. Qe6+ Kb8 22. Ng3 Re8 23. Qe5+ Kc8 24. Nxf5 Qxe5 25. Rxe5 gxf5 26. Rxf5 1-0

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.08"]
[Round "7"]
[White "Abril Guiza, Mauricio"]
[Black "Garcia Alarcon, Alvaro"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1999"]
[BlackElo "2180"]
[PlyCount "96"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 c5 2. c3 e6 3. Bf4 Nf6 4. e3 b6 5. Nf3 Bb7 6. Bd3 Be4 7. Be2 h6 8. Nbd2 Bh7 9. h3 Be7 10. 0-0 0-0 11. a4 Nc6 12. Ba6 Na5 13. Re1 d5 14. Ne5 Nd7 15. Nb3 Nxe5 16. Nxa5 bxa5 17. Bxe5 Bd6 18. Bd3 Bxe5 19. Bxh7+ Kxh7 20. Qd3+ f5 21. dxe5 Rb8 22. Re2 Qc7 23. f4 Qc6 24. Kh2 Rb3 25. Ra2 Kh8 26. Qc2 Qb7 27. g4 d4 28. cxd4 cxd4 29. Qc5 Rd8 30. Qxa5 Rc8 31. Qe1 fxg4 32. hxg4 Qf3 33. Qf2 Qxg4 34. Ra3 Rxa3 35. bxa3 Rc1 36. exd4 Qh5+ 37. Kg3 Rh1 38. Qg2 Qh4+ 39. Kf3 g5 40. Ke3 Qxf4+ 41. Kd3 Rd1+ 42. Rd2 Rxd2+ 43. Qxd2 Qxd2+ 44. Kxd2 Kg7 45. Ke3 Kf7 46. Kf3 h5 47. Ke4 Kg6 48. Kf3 Kf5 0-1

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.08"]
[Round "8"]
[White "Castaneda Jimenez, Jhon David"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2178"]
[BlackElo "1999"]
[PlyCount "67"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 Qb6 5. d6 e6 6. Nc3 b4 7. Bxf6 gxf6 8. Ne4 Bg7 9. Qd2 Bb7 10. Ng3 h5 11. h4 Bh6 12. e3 Bf8 13. Rd1 f5 14. Ne5 Nc6 15. Nc4 Qd8 16. Be2 Na5 17. Nxa5 Qxa5 18. Nxh5 0-0-0 19. 0-0 Rh6 20. f4 c4 21. Qd4 Qd5 22. Rf2 Kb8 23. Qe5 Qc6 24. Rd4 f6 25. Qa5 Qb6 26. Qxb6 axb6 27. Bd1 Bd5 28. Ng3 Bxd6 29. Rxd5 Bc5 30. Rxc5 bxc5 31. h5 d5 32. Rf1 Kc7 33. Ne2 Ra8 34. Nc1 1-0

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.07"]
[Round "6"]
[White "Rivera, Ingris"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2227"]
[BlackElo "1999"]
[PlyCount "60"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. Bd3 Bg7 5. 0-0 0-0 6. b3 cxd4 7. exd4 Nc6 8. Bb2 d5 9. a3 Ne4 10. Re1 Bf5 11. h3 Qb6 12. c3 e5 13. Bxe4 dxe4 14. Nxe5 Bxe5 15. dxe5 Rad8 16. Nd2 Nxe5 17. Re2 Nd3 18. Qc2 Nxf2 19. Nc4 Nxh3+ 20. Kh1 Qc6 21. Qc1 Bg4 22. Rd2 Qf6 23. Ne3 Qf4 24. Nd5 Rxd5 25. Rxd5 Nf2+ 26. Kg1 e3 27. c4 Qh6 28. Rh5 Bxh5 29. Qc3 f6 30. Re1 Be2 0-1

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.06"]
[Round "5"]
[White "Abril Guiza, Mauricio"]
[Black "Aponte Castillo, Jose Ernesto"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1999"]
[BlackElo "2183"]
[PlyCount "61"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 f5 3. e3 Nf6 4. Nf3 e6 5. Bd3 Be7 6. 0-0 Nh5 7. c4 c6 8. Nc3 Nxf4 9. exf4 Nd7 10. Re1 Nf6 11. Ne5 0-0 12. c5 Ne4 13. Ne2 Bf6 14. b4 Bxe5 15. dxe5 g5 16. f3 gxf4 17. fxe4 fxe4 18. Bxe4 dxe4 19. Qxd8 Rxd8 20. Nxf4 a5 21. Rxe4 axb4 22. Rxb4 Ra5 23. Rc4 Ra3 24. Nh5 Re3 25. Nf6+ Kg7 26. Rg4+ Kf7 27. Ne4 Ke7 28. Rf1 Rxe4 29. Rxe4 Rg8 30. Rf3 Rg7 31. Rh4 1-0

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.06"]
[Round "4"]
[White "Abril Guiza, Mauricio"]
[Black "Jaramillo, Carlos Mario"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1999"]
[BlackElo "1581"]
[PlyCount "65"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. e3 Bd6 4. Bg3 Nf6 5. Nf3 0-0 6. Bd3 Re8 7. Nbd2 c5 8. c3 a6 9. Ne5 Nbd7 10. Nxf7 Kxf7 11. Bxd6 c4 12. Bc2 e5 13. dxe5 Nxe5 14. Bxe5 Rxe5 15. Nxc4 Rg5 16. Qd4 Rxg2 17. 0-0-0 Be6 18. Nb6 Rb8 19. e4 Nxe4 20. Nxd5 Qg5+ 21. f4 Rxc2+ 22. Kxc2 Qg2+ 23. Kc1 Qf3 24. Rhf1 Qh5 25. Qxe4 Rd8 26. f5 Bxd5 27. Rxd5 Qg5+ 28. Kb1 Re8 29. Qc4 Kf8 30. f6 Qg2 31. fxg7+ Kxg7 32. Qd4+ Kg8 33. Rg1 1-0

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.05"]
[Round "2"]
[White "Abril Guiza, Mauricio"]
[Black "De la Rosa, Eugenio"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1999"]
[BlackElo "1611"]
[PlyCount "77"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. c4 Nf6 4. Qb3 b6 5. e3 e6 6. Nf3 Bd6 7. Ne5 0-0 8. Be2 c5 9. Nc3 dxc4 10. Qxc4 Be4 11. Nxe4 Nxe4 12. dxc5 Bxe5 13. Bxe5 Qd2+ 14. Kf1 Qd5 15. Qxd5 exd5 16. cxb6 axb6 17. Bd4 Nd7 18. Bb5 Ndc5 19. Ke2 f5 20. Bc6 Rad8 21. Rhd1 Rd6 22. Bb5 Rfd8 23. f3 Ng5 24. b4 Nce6 25. Be5 Nc7 26. Bxd6 Rxd6 27. Bc4 Kf8 28. a4 Ke7 29. Bb3 Nge6 30. a5 bxa5 31. Rxa5 d4 32. Rxf5 Rb6 33. Bxe6 Nxe6 34. b5 dxe3 35. Kxe3 g6 36. Rfd5 h5 37. h4 Rb7 38. g4 hxg4 39. fxg4 1-0

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.05"]
[Round "3"]
[White "Munoz Galvez, Jhon Edison"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2322"]
[BlackElo "1999"]
[PlyCount "59"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 Bxc3 6. bxc3 0-0 7. 0-0 d6 8. Rb1 Rb8 9. d3 h6 10. e4 Be6 11. Nh4 Ne7 12. Rb2 g5 13. Nf3 Nh7 14. Be3 b6 15. Nd2 Nf6 16. h3 Ng6 17. Kh2 Kh7 18. Nb3 Ng8 19. Qe2 Qc8 20. Rfb1 Qd7 21. a4 N8e7 22. a5 Rbe8 23. Nd2 Qa4 24. Nf3 Qd7 25. Ra1 g4 26. hxg4 Bxg4 27. Qd2 f5 28. Bxh6 fxe4 29. Bxf8 exf3 30. Qh6+ 1-0

[Event "COL pre olympic sf2"]
[Site "Cartagena"]
[Date "2016.05.04"]
[Round "1"]
[White "Rios Parra, Alejandro"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2312"]
[BlackElo "1999"]
[PlyCount "53"]
[EventDate "2016.05.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 Nc6 6. h3 Bxf3 7. Bxf3 Qf5 8. 0-0 e6 9. c3 a6 10. Nd2 Bd6 11. Nc4 0-0 12. Re1 Rfd8 13. Qe2 h6 14. Bd2 Rab8 15. Rad1 Ne7 16. Ne5 Rf8 17. Bc1 b5 18. Rd3 Ned5 19. g4 Qh7 20. h4 Rfe8 21. g5 Bxe5 22. dxe5 Nd7 23. gxh6 gxh6 24. Be4 Qh8 25. Qh5 Kf8 26. Bxh6+ Ke7 27. Bxd5 1-0

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.21"]
[Round "6"]
[White "Abril Guiza, Mauricio"]
[Black "De Arco, Luis Carlos"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2022"]
[BlackElo "2265"]
[PlyCount "56"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 d6 4. Nf3 Bg7 5. h3 0-0 6. Be2 Nfd7 7. 0-0 e5 8. Bh2 Nc6 9. c4 f5 10. Nc3 Kh8 11. Rc1 g5 12. d5 Ncb8 13. b4 a5 14. a3 Na6 15. c5 axb4 16. Bxa6 bxc3 17. c6 Rxa6 18. cxd7 Bxd7 19. Rxc3 c5 20. dxc6 Bxc6 21. Qc1 Qf6 22. Rd1 g4 23. Nxe5 dxe5 24. Rc5 g3 25. Bxg3 f4 26. exf4 exf4 27. Bh2 Qg6 28. g4 Qe4 0-1

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.21"]
[Round "7"]
[White "Zamorano, Luis Fernando"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "2022"]
[PlyCount "97"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. e4 Nf6 4. Nc3 Be6 5. a4 Be7 6. Nf3 h6 7. d4 exd4 8. Nxd4 Bg4 9. f3 Bh5 10. Bc4 Nbd7 11. Nf5 0-0 12. 0-0 Ne5 13. Bb3 Bg6 14. Nxe7+ Qxe7 15. Nd5 Nxd5 16. Qxd5 Rab8 17. Rfd1 Nc6 18. Bc3 Qg5 19. Qxg5 hxg5 20. Rd5 g4 21. Rg5 Kh7 22. Rxg4 Rfe8 23. b5 Ne5 24. Rh4+ Kg8 25. f4 Nd7 26. Rg4 Kf8 27. f5 Bh5 28. Bxg7+ Ke7 29. Rh4 Bf3 30. f6+ Kd8 31. gxf3 Ne5 32. Rf1 c5 33. Bd5 Rg8 34. Kf2 Kc7 35. f4 Ng6 36. Rg4 Nh8 37. h4 a6 38. h5 axb5 39. axb5 Kb6 40. c4 Ra8 41. h6 Ra2+ 42. Kg3 Rga8 43. Rf3 Re2 44. f5 Ka5 45. Ra3+ Kb4 46. Rxa8 Rg2+ 47. Kxg2 b6 48. Bxh8 Kb3 49. Bg7 1-0

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.20"]
[Round "5"]
[White "Valle, Efrain"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2208"]
[BlackElo "2022"]
[PlyCount "26"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Nc3 Bb4 7. Bc4 0-0 8. Qd3 d6 9. 0-0 Be6 10. Ne2 d5 11. exd5 Bxd5 12. Bxd5 Qxd5 13. Qxd5 Nxd5 1/2-1/2

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.19"]
[Round "4"]
[White "Abril Guiza, Mauricio"]
[Black "Vallejo, Humberto"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2022"]
[BlackElo "2132"]
[PlyCount "123"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. e4 0-0 6. Be2 b5 7. e5 Ng4 8. Bf4 a6 9. h3 Nh6 10. 0-0 Qb6 11. a4 b4 12. a5 Qc7 13. d6 exd6 14. exd6 Qd8 15. Nd5 Nc6 16. Bg5 f6 17. Be3 Rb8 18. Nc7 Nd4 19. Nxd4 cxd4 20. Bxd4 f5 21. Bxg7 Kxg7 22. Qd4+ Qf6 23. Qxf6+ Kxf6 24. f4 Nf7 25. Rfd1 Bb7 26. Rd4 Rfc8 27. Bc4 Nxd6 28. Nxa6 Bxa6 29. Bxa6 Rc6 30. Bd3 Ke7 31. a6 Nc8 32. g4 Na7 33. gxf5 b3 34. c3 Rf6 35. Re1+ Kd8 36. Re6 Rb6 37. Rxb6 Rxb6 38. fxg6 hxg6 39. Kf2 Kc7 40. Rb4 Rxb4 41. cxb4 Nc6 42. b5 Na7 43. Ke3 Kb6 44. Kd4 Nc8 45. Kd5 Ka7 46. Kc4 Nb6+ 47. Kxb3 Nd5 48. Bxg6 Nxf4 49. Bf5 d5 50. h4 Kb6 51. Kc3 Nh5 52. Kd4 Ng7 53. Bd7 Nh5 54. Kxd5 Nf4+ 55. Ke4 Nh5 56. Kf5 Ng3+ 57. Kg6 Ne2 58. h5 Nf4+ 59. Kg5 Nd3 60. h6 Ne5 61. Be8 Nf3+ 62. Kf4 1-0

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.18"]
[Round "2"]
[White "Abril Guiza, Mauricio"]
[Black "Gomez Perdomo, Jonathan"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2022"]
[BlackElo "1861"]
[PlyCount "73"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 c6 4. c4 Bg7 5. e3 0-0 6. Be2 Qa5+ 7. Nc3 Ne4 8. Qb3 d6 9. 0-0 Nxc3 10. bxc3 e5 11. Bg3 exd4 12. cxd4 Qd8 13. Rac1 b6 14. Qa3 c5 15. Rfd1 Qf6 16. Bh4 Qe6 17. Ng5 Qd7 18. dxc5 bxc5 19. Ne4 Be5 20. Rxd6 Qf5 21. Ng3 Bxg3 22. Bxg3 Bb7 23. Bd3 Qc8 24. Qb2 Nd7 25. Rd1 Bc6 26. Qc2 f5 27. Be2 Nf6 28. Bf3 Bxf3 29. gxf3 Qb7 30. Be5 Nh5 31. R1d5 Rac8 32. Ba1 Qe7 33. Qc3 Qg7 34. Rd7 Qxc3 35. Bxc3 Nf6 36. Bxf6 Rxf6 37. Rxa7 1-0

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.18"]
[Round "1"]
[White "Aguilar, Victor"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2172"]
[BlackElo "2022"]
[PlyCount "69"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 g6 4. g3 b6 5. Bg2 Bb7 6. b3 Bg7 7. Bb2 d6 8. 0-0 Nbd7 9. d4 cxd4 10. Qxd4 Rc8 11. Rfd1 a6 12. Rac1 0-0 13. Nd5 b5 14. e4 bxc4 15. Rxc4 Rxc4 16. Qxc4 Nb6 17. Nxb6 Qxb6 18. e5 dxe5 19. Nxe5 Bxg2 20. Kxg2 e6 21. Qc6 Qb5 22. Rc1 Nd5 23. Qxb5 axb5 24. a3 Ra8 25. Rc5 b4 26. a4 Nc3 27. Bxc3 bxc3 28. f4 Rd8 29. Rxc3 Rd2+ 30. Kf3 f6 31. Ke3 Rd5 32. Rc8+ Bf8 33. Nc6 Kg7 34. Rc7+ Kh6 35. Ne7 1-0

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.12"]
[Round "9"]
[White "Abril Guiza, Mauricio"]
[Black "Castrillon Gomez, Melissa"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2039"]
[BlackElo "2199"]
[PlyCount "74"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. e3 g6 4. h4 h6 5. Bd3 d6 6. Nd2 Nc6 7. c3 e5 8. Bh2 Qe7 9. Ne2 Bg7 10. Qb3 Ng4 11. Bg3 Nd8 12. 0-0-0 Bd7 13. Nf1 Bc6 14. Bb5 Bxb5 15. Qxb5+ c6 16. Qb3 Nf7 17. f3 Nf6 18. dxe5 dxe5 19. Nd2 Nd5 20. c4 Nb4 21. e4 a5 22. a3 Na6 23. Bf2 0-0 24. Qb6 Nd6 25. Ng3 a4 26. h5 g5 27. exf5 Nxf5 28. Rhe1 Qf7 29. Nge4 Rfd8 30. g4 Nd4 31. Bxd4 exd4 32. Kb1 d3 33. Nc5 Bd4 34. Nde4 Nxc5 35. Nxc5 Qxc4 36. Qb4 Qxc5 37. Qd2 Qb5 0-1

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.11"]
[Round "7"]
[White "Cadavid, Juan Miguel"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1864"]
[BlackElo "2039"]
[PlyCount "90"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Nf6 4. d4 Nxd5 5. dxc5 e6 6. b4 a5 7. Bd2 axb4 8. cxb4 Qf6 9. Bc4 Qxa1 10. Nf3 Qf6 11. 0-0 h6 12. Re1 Qd8 13. Ne5 Be7 14. Qh5 0-0 15. Nc3 Nf6 16. Qe2 Nc6 17. Nxc6 bxc6 18. Bf4 Qd4 19. Be5 Qg4 20. f3 Qg5 21. g3 Rd8 22. Bd3 Rxd3 23. Qxd3 Ba6 24. Qc2 Rd8 25. Bf4 Qh5 26. Kg2 Rd3 27. Re3 Rxe3 28. Bxe3 Nd5 29. Nxd5 Qxd5 30. a4 Qc4 31. Qxc4 Bxc4 32. Kf2 Bf6 33. Bd2 Bd4+ 34. Kg2 Kf8 35. g4 Ke7 36. f4 Bb3 37. a5 Bc4 38. Kg3 f6 39. h4 e5 40. f5 Be2 41. h5 Kd7 42. a6 Bxa6 43. Kf3 Bd3 44. Be1 Kc7 45. Bd2 e4+ 0-1

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.10"]
[Round "5"]
[White "Raigosa, Andrea"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1814"]
[BlackElo "2039"]
[PlyCount "96"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. Bg5 Qa5+ 7. Bd2 Qb6 8. Qa4 Bd7 9. Ba5 Bxb5 10. cxb5 Qc5 11. Nd2 b6 12. Bc3 d4 13. Nb3 Qd6 14. Bd2 Ne4 15. a3 Qf6 16. Qc4 Qe6 17. Qxe6+ fxe6 18. g3 Nd7 19. Bg2 Ndf6 20. Rc1 Bd6 21. Bg5 Rb8 22. Bxf6 Nxf6 23. Rc6 Ke7 24. 0-0 Rhf8 25. Nd2 Rfd8 26. Rfc1 h6 27. Bh3 g5 28. Nc4 Ne4 29. Nxd6 Rxd6 30. Rxd6 Kxd6 31. Rc6+ Kd7 32. Bxe6+ Ke7 33. f3 Nd6 34. Bg4 h5 35. Bxh5 Nxb5 36. Rg6 Nc7 37. Rxg5 Kd6 38. Rg6+ Kc5 39. Rg7 Kd6 40. Bg4 a5 41. h4 Nd5 42. h5 Rh8 43. Rg6+ Kc5 44. h6 e4 45. fxe4 Ne3 46. Rg5+ Kc6 47. Rh5 b5 48. Bf3 Kb6 1-0

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.09"]
[Round "4"]
[White "Abril Guiza, Mauricio"]
[Black "Torres, Juan Camilo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2039"]
[BlackElo "2294"]
[PlyCount "117"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 g6 4. Nf3 Bg7 5. Be2 0-0 6. h3 c5 7. c3 Nc6 8. Nbd2 b6 9. 0-0 Bb7 10. Ne5 Nd7 11. Nxd7 Qxd7 12. Nf3 Rfe8 13. a4 f6 14. Rb1 e5 15. Bg3 exd4 16. cxd4 c4 17. Rc1 Na5 18. Nd2 Bc6 19. Bg4 f5 20. Bf3 Kh8 21. Ra1 a6 22. Qc2 b5 23. Qc3 Nb7 24. b3 Nd6 25. Rfc1 Ne4 26. Bxe4 fxe4 27. Qa5 Bf6 28. bxc4 dxc4 29. Qb6 Bd8 30. Qc5 Qd5 31. Qxd5 Bxd5 32. axb5 axb5 33. Rab1 Bc6 34. d5 Bd7 35. Nxc4 bxc4 36. Rxc4 Bf6 37. Rbb4 Bf5 38. Bc7 Ra1+ 39. Kh2 Rd1 40. g4 Bd7 41. Rxe4 Rxe4 42. Rxe4 Rxd5 43. Kg3 Kg8 44. f4 Kf7 45. Rb4 Rd2 46. e4 Bc6 47. g5 Bd4 48. f5 Bxe4 49. f6 Bf5 50. h4 Bf2+ 51. Kf3 Rd4 52. Rxd4 Bxd4 53. Kf4 Bd7 54. Kg3 Bc5 55. Kf3 Ke6 56. Bg3 Kf5 57. Be1 Bd6 58. Ke2 Kg4 59. Kd3 0-1

[Event "Bogota University op 9th"]
[Site "Bogota"]
[Date "2015.10.08"]
[Round "2"]
[White "Abril Guiza, Mauricio"]
[Black "Rivera, Alberto"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2039"]
[BlackElo "2344"]
[PlyCount "101"]
[EventDate "2015.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 Qb6 4. Nc3 a6 5. a3 cxd4 6. exd4 d5 7. Bd3 Bg4 8. f3 Bh5 9. Nge2 e6 10. 0-0 Nc6 11. Kh1 Bg6 12. Na4 Qa7 13. b4 Be7 14. Nb2 0-0 15. c3 Rac8 16. Ng3 Nb8 17. Qd2 Nbd7 18. Na4 Bxd3 19. Qxd3 Nb6 20. Nxb6 Qxb6 21. a4 Qc6 22. Rfc1 Qd7 23. Ne2 Rc4 24. g4 Rfc8 25. Rcb1 b6 26. h3 Ne8 27. Kg2 Qb7 28. a5 b5 29. h4 Bd6 30. Bd2 Bb8 31. Rh1 R4c6 32. Rad1 Nd6 33. h5 Qe7 34. Rh3 Nc4 35. Bc1 Rd8 36. Re1 Rf8 37. Ng3 Bxg3 38. Rxg3 Rfc8 39. g5 Nd6 40. Bd2 Qd7 41. g6 fxg6 42. hxg6 h6 43. Rh1 Nf5 44. Rgh3 Qe8 45. Kf2 Qxg6 46. Rg1 Qf6 47. Bxh6 Nxh6 48. Rg6 Qf5 49. Rxg7+ Kxg7 50. Rg3+ Kh7 51. Rg1 0-1

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.08"]
[Round "8"]
[White "Abril Guiza, Mauricio"]
[Black "Estrella Becerra, Fernando"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "2053"]
[BlackElo "1986"]
[PlyCount "79"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d5 4. e3 Bg7 5. c4 c6 6. Nc3 0-0 7. Be2 Re8 8. h3 Qb6 9. a3 Bf5 10. Na4 Qd8 11. Qb3 b6 12. Nc3 h6 13. Rc1 g5 14. Bg3 a6 15. 0-0 b5 16. cxb5 cxb5 17. Ne5 e6 18. Rfd1 Nbd7 19. a4 bxa4 20. Nxa4 Ne4 21. Nc6 Nxg3 22. fxg3 Qf6 23. g4 Be4 24. Qb7 Rad8 25. Rf1 Qg6 26. Nxd8 Rxd8 27. Rc7 Bd3 28. Bxd3 Qxd3 29. Rxd7 Qxe3+ 30. Kh1 Rxd7 31. Qxd7 Qxd4 32. Qxf7+ Kh7 33. Nc3 Qe5 34. Qf3 Qb8 35. Qd3+ Kh8 36. Qe2 Qb6 37. Re1 d4 38. Na4 Qb5 39. Qxb5 axb5 40. Nc5 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.08"]
[Round "9"]
[White "Lotero, Faiber"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2165"]
[BlackElo "2053"]
[PlyCount "71"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. Nd5 Nf6 10. Be3 Nxd5 11. cxd5 Nd4 12. Bxd4 exd4 13. Bd3 Qa5+ 14. Qd2 Qxd2+ 15. Kxd2 0-0 16. Rhf1 fxe4 17. Bxe4 Bg5+ 18. Kd3 Bd7 19. g3 Bh3 20. f4 Bxf1+ 21. Rxf1 Rac8 22. Re1 Bf6 23. Bf5 Rfe8 24. Be6+ Kf8 25. Nc4 Rcd8 26. g4 Bh4 27. Re2 h6 28. Nd2 g6 29. g5 hxg5 30. Nf3 Kg7 31. fxg5 Rh8 32. Rc2 Bxg5 33. Nxg5 Rh5 34. Rc7+ Kf6 35. h4 Rxg5 36. Rf7+ 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.07"]
[Round "7"]
[White "Torres, Saulo de Jesus"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1911"]
[BlackElo "2053"]
[PlyCount "48"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nf3 a6 6. Nxd4 cxd4 7. Ne2 d5 8. exd5 exd5 9. Bd3 Qf6 10. c3 Bc5 11. Nxd4 Bxd4 12. Qa4+ Bd7 13. Qxd4 Qg5 14. Qe3+ Qe7 15. 0-0 0-0-0 16. Be2 Qh4 17. Bf3 d4 18. cxd4 Bb5 19. Qc3+ Kb8 20. Qb3 Qxd4 21. Qxf7 Rd7 22. Qf8+ Rd8 23. Qf7 Rd7 24. Qf8+ Rd8 1/2-1/2

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.05"]
[Round "4"]
[White "Abril Guiza, Mauricio"]
[Black "Arias Gaviria, Mario Alexis"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2053"]
[BlackElo "2199"]
[PlyCount "62"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. Be2 Nfd7 7. 0-0 e5 8. Bh2 f5 9. c4 h6 10. Nc3 Nc6 11. Rc1 g5 12. c5 e4 13. Bc4+ Kh7 14. cxd6 cxd6 15. Nd2 Nb6 16. Bb3 d5 17. Nb5 f4 18. Bc2 a6 19. Nxe4 dxe4 20. Bxe4+ Kh8 21. Qh5 Bf5 22. Bxf5 Rxf5 23. Nc3 Qf8 24. d5 Nxd5 25. Nxd5 Rxd5 26. Bxf4 Rb5 27. a4 Rf5 28. Bg3 Re8 29. Rc4 Rxe3 30. Rd1 Re6 31. Rd7 Re1+ 0-1

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.05"]
[Round "3"]
[White "Zapata Cuartas, Juan Carlos"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "A59"]
[WhiteElo "2163"]
[BlackElo "2053"]
[PlyCount "68"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 0-0 11. Nf3 Nbd7 12. h3 Qb6 13. Re1 Qb7 14. Rb1 Ng4 15. hxg4 Bxc3 16. Bd2 Bg7 17. Bc3 Rxa2 18. Bxg7 Kxg7 19. Qc1 f6 20. Rh1 Rh8 21. Qh6+ Kf7 22. Qd2 Qb4 23. Qxb4 cxb4 24. Nd4 Nc5 25. Nc6 b3 26. Rhe1 Na4 27. Re3 Nc5 28. f4 Rha8 29. e5 Ra1 30. Nd8+ Kf8 31. Rxa1 Rxa1 32. exf6 exf6 33. Ne6+ Nxe6 34. dxe6 Ke7 1/2-1/2

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.04"]
[Round "2"]
[White "Abril Guiza, Mauricio"]
[Black "Pereira Vera, Henry Alberto"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2053"]
[BlackElo "1954"]
[PlyCount "73"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 c5 4. c3 Qb6 5. Qb3 d6 6. e3 Be6 7. Bb5+ Nbd7 8. c4 Qa5+ 9. Nc3 a6 10. Bxd7+ Nxd7 11. d5 Bg4 12. Nd2 g5 13. Bxg5 Ne5 14. f3 Bc8 15. 0-0 Rg8 16. f4 Ng4 17. Rae1 Bg7 18. Kh1 h6 19. Bh4 Qc7 20. h3 Nf6 21. e4 Nh7 22. e5 dxe5 23. fxe5 Ng5 24. Bxg5 hxg5 25. e6 fxe6 26. dxe6 Qc6 27. Nd5 b5 28. Qf3 Kd8 29. Qf7 Qe8 30. Qf2 Bd4 31. Qg3 Ra7 32. Nb3 bxc4 33. Nxd4 cxd4 34. Qe5 Qc6 35. Qxd4 Bb7 36. Ne3+ Kc7 37. Qxa7 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2014.12.04"]
[Round "1"]
[White "Ruiz, Alciguel"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2192"]
[BlackElo "2053"]
[PlyCount "55"]
[EventDate "2014.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nf3 e6 4. g3 f5 5. Bg2 Nf6 6. 0-0 Be7 7. Nc3 0-0 8. d5 Qc8 9. b3 Na6 10. Bb2 Nc5 11. Nd2 e5 12. b4 Na6 13. a3 c5 14. b5 Nc7 15. Bh3 Nfe8 16. e4 g6 17. f4 exf4 18. gxf4 fxe4 19. Ncxe4 Qd8 20. f5 d6 21. fxg6 hxg6 22. Qg4 Rf7 23. Rxf7 Kxf7 24. Rf1+ Nf6 25. Nxf6 Bxf6 26. Bxf6 Qe8 27. Ne4 Bc8 28. Ng5+ 1-0

[Event "Bogota University op 8th"]
[Site "Bogota"]
[Date "2014.10.12"]
[Round "8"]
[White "Abril Guiza, Mauricio"]
[Black "Ruiz Aguilar, Pablo Alexander"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2033"]
[BlackElo "2264"]
[PlyCount "128"]
[EventDate "2014.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e4 dxe4 4. d5 a6 5. Nc3 Bf5 6. Qe2 Nf6 7. f3 Qa5 8. 0-0-0 b5 9. fxe4 b4 10. exf5 bxc3 11. Qc4 Nbd7 12. bxc3 Qa3+ 13. Kb1 Nb6 14. Qb3 Qxb3+ 15. cxb3 Ne4 16. c4 Nc3+ 17. Kc2 Nxd1 18. Kxd1 e6 19. Bc7 Nc8 20. fxe6 fxe6 21. dxe6 Bd6 22. Ba5 0-0 23. Be2 Ra7 24. Bf3 Bc7 25. Bc3 Ne7 26. Ne2 Rd8+ 27. Kc2 Nf5 28. Bd2 Be5 29. g4 Ne7 30. Ba5 Rd6 31. Re1 Rxe6 32. Nf4 Rf6 33. Rxe5 Rxf4 34. Be4 Kf7 35. Bb6 Rd7 36. g5 Rd6 37. Bxc5 Re6 38. Bd5 Nxd5 39. Rxd5 Re2+ 40. Rd2 Rxd2+ 41. Kxd2 Rg4 42. Be3 Rg2+ 43. Kd3 Rxa2 44. Bf4 Ke6 45. Kd4 Rb2 46. Kc3 Rf2 47. Bg3 Rf5 48. g6 hxg6 49. b4 Kd7 50. Kb3 Kc6 51. Ka4 g5 52. c5 Rf3 53. Bd6 g4 54. Be5 g6 55. Bd6 Rf2 56. Bg3 Re2 57. Bd6 Re1 58. Kb3 Kb5 59. Kc3 Re4 60. c6 Kxc6 61. Bg3 Kb5 62. Bd6 Rc4+ 63. Kb3 Rd4 64. Bg3 Rd3+ 0-1

[Event "Bogota University op 8th"]
[Site "Bogota"]
[Date "2014.10.10"]
[Round "3"]
[White "Fleites Marti, Yuleikys"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2150"]
[BlackElo "2033"]
[PlyCount "128"]
[EventDate "2014.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nf6 6. Ng5 0-0 7. 0-0 d6 8. f4 Bg4 9. Qd2 h6 10. Nf3 Qd7 11. fxe5 Nxe5 12. Nxe5 dxe5 13. Qf2 Kh8 14. Be3 Be6 15. Bxe6 Qxe6 16. Qf5 a6 17. a4 b6 18. h3 Rac8 19. g4 Rc6 20. b3 Nh7 21. Nd5 Bg5 22. Bf2 g6 23. Qxe6 fxe6 24. Ne3 Bxe3 25. Bxe3 Kg7 26. Bd2 Nf6 27. Kg2 Rcc8 28. Rf3 Nd7 29. Raf1 Rxf3 30. Rxf3 Rf8 31. h4 Rxf3 32. Kxf3 Nb8 33. Be3 Nc6 34. c3 a5 35. Bc1 Nd8 36. Bb2 Nc6 37. Ke3 h5 38. gxh5 gxh5 39. Bc1 Kf7 40. Ke2 Ke7 41. Bg5+ Kd6 42. Ke3 Kd7 43. Bf6 Kd6 44. Bg7 Ne7 45. d4 exd4+ 46. cxd4 Ng6 47. Bf6 Kc6 48. Bd8 b5 49. Bxa5 bxa4 50. bxa4 Nxh4 51. dxc5 Kxc5 52. Kf4 Ng2+ 53. Kf3 Nh4+ 54. Kg3 Ng6 55. Bc3 e5 56. Kf3 Kc4 57. a5 Kb5 58. Kg3 Kc5 59. Bd2 Kb5 60. Bc3 Kc5 61. Bxe5 Nxe5 62. Kh4 Kd4 63. a6 Nc6 64. Kxh5 Kxe4 1/2-1/2

[Event "Bogota University op 8th"]
[Site "Bogota"]
[Date "2014.10.09"]
[Round "2"]
[White "Abril Guiza, Mauricio"]
[Black "Hernandez Moya, Yuleisis"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2033"]
[BlackElo "2248"]
[PlyCount "59"]
[EventDate "2014.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 c5 3. e3 Nf6 4. Nf3 Be7 5. Nbd2 0-0 6. Bd3 b6 7. c3 d5 8. Ne5 Bb7 9. Qf3 Nc6 10. Qh3 c4 11. Bc2 b5 12. 0-0 g6 13. Bh6 Re8 14. f4 Qd6 15. Ndf3 Ne4 16. Ng4 f6 17. Nh4 f5 18. Ne5 Nxe5 19. fxe5 Qb6 20. Rf3 Bg5 21. Bxe4 dxe4 22. Rg3 Bxh6 23. Nxg6 Bg7 24. Nf4 Kh8 25. Qh5 Qc7 26. Rf1 Rad8 27. Rh3 Bf8 28. Rg3 Bg7 29. Rh3 Bf8 30. Rg3 1/2-1/2

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.10"]
[Round "9"]
[White "Tangarife Garcia, Wilson"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1681"]
[BlackElo "2042"]
[PlyCount "56"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 cxd4 7. exd4 d5 8. Nc3 Nc6 9. h3 Be6 10. c5 Ne4 11. Be3 Qa5 12. Nxe4 dxe4 13. Ng5 Bd5 14. f3 exf3 15. Nxf3 Rad8 16. Kh1 Bxf3 17. Bxf3 Nxd4 18. Bxb7 Qxc5 19. Qa4 Qc7 20. Ba6 Nf5 21. Rfc1 Qg3 22. Bf4 Qh4 23. Rc4 Rd3 24. Qc2 Rd4 25. Rxd4 Bxd4 26. Bc7 e5 27. Rc1 Ng3+ 28. Kh2 Qf4 0-1

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.09"]
[Round "6"]
[White "Abril Guiza, Mauricio"]
[Black "Munoz, Farid"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2042"]
[BlackElo "2186"]
[PlyCount "28"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. h3 0-0 6. c4 c5 7. Be2 Qb6 8. Nbd2 cxd4 9. exd4 Qxb2 10. 0-0 Bf5 11. Rc1 Nc6 12. g4 Bc8 13. Rb1 Qxa2 14. d5 Nb8 1-0

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.09"]
[Round "7"]
[White "Cadena Montoya, Gustavo Adolfo"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2138"]
[BlackElo "2042"]
[PlyCount "51"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Nc3 0-0 6. Be2 cxd4 7. exd4 d5 8. cxd5 Nxd5 9. 0-0 Nc6 10. h3 Bf5 11. Qb3 Nxc3 12. bxc3 Na5 13. Qb4 Qc7 14. Be3 Rac8 15. Rac1 Be6 16. Nd2 Rfd8 17. Rfe1 Nc6 18. Qb2 Na5 19. Qa3 a6 20. Bf1 h5 21. Bg5 Rd7 22. Nf3 b6 23. Bxa6 Ra8 24. Bb5 Rdd8 25. Qxe7 Qxe7 26. Bxe7 1-0

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.08"]
[Round "4"]
[White "Abril Guiza, Mauricio"]
[Black "Martinez Zuluaica, Julian"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2042"]
[BlackElo "2213"]
[PlyCount "66"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 cxd4 4. cxd4 d5 5. g3 Bf5 6. Nc3 e6 7. Bg2 Bd6 8. 0-0 Nc6 9. Nh4 Bg6 10. Bg5 Qb6 11. Nxg6 hxg6 12. Bxf6 gxf6 13. e4 Nxd4 14. Qa4+ Kf8 15. exd5 e5 16. Ne4 f5 17. Nxd6 Qxd6 18. f4 Qb6 19. Kh1 Kg7 20. Rf2 Nf3 21. Rxf3 Rxh2+ 22. Kxh2 Rh8+ 23. Bh3 Qxb2+ 24. Kg1 Rxh3 25. Qd1 Qh2+ 26. Kf1 e4 27. Qd4+ Kh7 28. Rf2 Qxg3 29. Rg2 Rh1+ 30. Rg1 Qf3+ 31. Ke1 Rh2 32. Qd2 Rxd2 33. Kxd2 Qd3+ 0-1

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.08"]
[Round "5"]
[White "Gomez, Nicolas de Jesus"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1659"]
[BlackElo "2042"]
[PlyCount "72"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Qc7 7. Be3 Nf6 8. Be2 b4 9. axb4 Bxb4 10. 0-0 Bxc3 11. bxc3 Nxe4 12. Bd3 Nf6 13. Ra4 d5 14. Qf3 0-0 15. Ne2 e5 16. Bf5 Bxf5 17. Qxf5 Qd7 18. Qxd7 Nbxd7 19. Rfa1 Rfb8 20. h3 h6 21. R1a2 Ne4 22. Ra5 Rb1+ 23. Kh2 Re1 24. Rxd5 Ndf6 25. Rxe5 Rxe2 26. c4 Nxf2 27. Kg3 Nd1 28. Kf3 Rxe3+ 29. Rxe3 Nxe3 30. Kxe3 Kf8 31. Kd4 Ke7 32. c5 Kd7 33. Rb2 Kc7 34. Kc4 a5 35. Ra2 Kc6 36. Rb2 Nd7 0-1

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.07"]
[Round "2"]
[White "Abril Guiza, Mauricio"]
[Black "Arboleda Orozco, Juan M"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2042"]
[BlackElo "1863"]
[PlyCount "37"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Nbd7 7. c4 c5 8. Nc3 cxd4 9. exd4 b6 10. 0-0 Bb7 11. Qd2 Re8 12. Rad1 a6 13. Rfe1 Rc8 14. b3 Nb8 15. d5 a5 16. Nd4 Nfd7 17. Bh6 Bh8 18. Bg4 Na6 19. Ne6 1-0

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.07"]
[Round "3"]
[White "Lotero, Faiber"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2168"]
[BlackElo "2042"]
[PlyCount "57"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. Qe2 Nf6 7. Nd2 d5 8. 0-0 Be7 9. c3 Nbd7 10. Re1 Nc5 11. e5 Nxd3 12. Qxd3 Nd7 13. Qg3 g6 14. N2f3 h6 15. Nxe6 fxe6 16. Qxg6+ Kd8 17. Qxe6 Nf6 18. Qf7 Rf8 19. Qg6 Rg8 20. Qd3 Bh3 21. exf6 Rxg2+ 22. Kh1 Bxf6 23. Qxd5+ Qd7 24. Qa5+ Kc8 25. Qc5+ Qc6 26. Re8+ Bd8 27. Qxc6+ bxc6 28. Ng1 Rxf2 29. Nxh3 1-0

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.06"]
[Round "1"]
[White "Gregoire, Sylvain"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2265"]
[BlackElo "2042"]
[PlyCount "91"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. Nc3 g6 6. d4 cxd4 7. Qxd4 Bg7 8. 0-0 d6 9. Qh4 Nbd7 10. Bh6 Nh5 11. Bxg7 Nxg7 12. Rad1 Rc8 13. b3 Nf5 14. Qh3 a6 15. e4 Ng7 16. Qh6 0-0 17. Ng5 Nf6 18. Bh3 Rc5 19. b4 Rxg5 20. Qxg5 Nxe4 21. Nxe4 Bxe4 22. Qe3 Bf5 23. Bg2 Qc7 24. Rc1 Rc8 25. Rfe1 Be6 26. Bd5 Nf5 27. Qd2 Ng7 28. h4 h5 29. Qg5 Qd7 30. Qe3 Qd8 31. Qe4 Rc7 32. Bxe6 Nxe6 33. Qe3 Rd7 34. Rc3 Ng7 35. Rd1 Nf5 36. Qd3 e5 37. c5 bxc5 38. bxc5 Qa8 39. Qd5 Qc8 40. c6 Rc7 41. Kg2 Qe6 42. Qxe6 fxe6 43. Rb1 Kf8 44. Rb7 Rc8 45. Rh7 Ne7 46. Rf3+ 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.08"]
[Round "8"]
[White "Abril Guiza, Mauricio"]
[Black "Martinez, Jorge Alexander"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2023"]
[BlackElo "2206"]
[PlyCount "100"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 b6 3. g3 Bb7 4. Bg2 Nf6 5. 0-0 d6 6. d4 cxd4 7. Qxd4 g6 8. b3 Bg7 9. Bb2 0-0 10. Rd1 Nbd7 11. Nc3 Rc8 12. Rac1 Re8 13. Nd5 b5 14. Qxa7 Bxd5 15. cxd5 Ra8 16. Qb7 Rxa2 17. Bxf6 Nxf6 18. Qxb5 Qa8 19. Nd4 Rb8 20. Qc4 Nd7 21. Nc6 Ne5 22. Nxe7+ Kf8 23. Qc7 Ra7 24. Qxb8+ Qxb8 25. Rc8+ Qxc8 26. Nxc8 Ra6 27. b4 Nc4 28. Rc1 Ra1 29. Rxa1 Bxa1 30. e3 Ke8 31. Bf1 Kd7 32. Na7 Nb6 33. Bb5+ Ke7 34. e4 f5 35. f3 Kf6 36. Nc6 Nd7 37. Kf1 Ne5 38. Ke2 fxe4 39. fxe4 Bc3 40. Ba4 g5 41. Bd1 h5 42. b5 Nxc6 43. dxc6 Ba5 44. h3 Ke5 45. Kd3 h4 46. gxh4 gxh4 47. Bb3 Bb6 48. Bd5 Kf4 49. Kc4 Ke5 50. Kd3 Kf4 1/2-1/2

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.07"]
[Round "6"]
[White "Abril Guiza, Mauricio"]
[Black "Ruiz, Alciguel"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2023"]
[BlackElo "2165"]
[PlyCount "83"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 0-0 5. g3 c6 6. Bg2 d5 7. cxd5 cxd5 8. 0-0 Nc6 9. b5 Na5 10. d3 Bd7 11. a4 a6 12. Na3 Qe8 13. Rb1 axb5 14. axb5 b6 15. Ne5 Nb7 16. Nxd7 Qxd7 17. Nc2 Rfc8 18. Nb4 e6 19. Nc6 Nd6 20. Qb3 Qe8 21. Rfc1 Nd7 22. Bxg7 Kxg7 23. Qb4 Nc5 24. Qd4+ f6 25. e4 Nxb5 26. Rxb5 Qxc6 27. Qb2 Qd7 28. Rb1 Na4 29. Qd4 Nc3 30. R5b2 Nxb1 31. Rxb1 Ra4 32. Qxb6 d4 33. e5 fxe5 34. Bh3 Kf6 35. Re1 Qc6 36. Qb3 Ra5 37. Bg2 Qc3 38. Qd1 Kg7 39. Qe2 Ra1 40. Qxe5+ Kh6 41. Qf4+ Kg7 42. Qe5+ 1/2-1/2

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "4"]
[White "Abril Guiza, Mauricio"]
[Black "Lopez Hernandez, Carlos Manuel"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2023"]
[BlackElo "2324"]
[PlyCount "72"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nf6 3. g3 b6 4. Bg2 Bb7 5. Bb2 e6 6. 0-0 Be7 7. e3 0-0 8. c4 d6 9. Qe2 Nbd7 10. d4 a6 11. Rd1 Qc7 12. Nbd2 Rfe8 13. Rac1 Rac8 14. a3 Qb8 15. Ba1 Bf8 16. Nh4 Bxg2 17. Nxg2 cxd4 18. exd4 e5 19. d5 b5 20. g4 bxc4 21. bxc4 g6 22. Rc3 Bh6 23. Rb1 Qc7 24. Ne3 Rb8 25. Rb4 Nc5 26. Qf3 Bg5 27. h3 Qa5 28. Rxb8 Rxb8 29. Qd1 Qb6 30. Kg2 Nfe4 31. Nxe4 Nxe4 32. Rd3 Bh4 33. f3 Nf2 34. Qe2 Nxd3 35. Qxd3 Qb1 36. Qc3 Qa2+ 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "5"]
[White "Ferrara, Alexis"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2161"]
[BlackElo "2023"]
[PlyCount "118"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. b3 Bg7 5. Bb2 0-0 6. Nbd2 d5 7. Bd3 cxd4 8. exd4 Bg4 9. h3 Bxf3 10. Qxf3 Qa5 11. a3 Nc6 12. b4 Qc7 13. 0-0 e6 14. Rfe1 Nh5 15. Nb3 b6 16. Rac1 Bh6 17. Rcd1 Qf4 18. Qxf4 Nxf4 19. Bf1 Bg7 20. g3 Nh5 21. b5 Nd8 22. a4 Nb7 23. a5 Rfc8 24. Bd3 Nd6 25. Ra1 Rab8 26. Bc1 Nc4 27. axb6 Rxb6 28. Rxa7 Rxb5 29. Kg2 Rb6 30. Ba3 Nxa3 31. Rxa3 Bf8 32. Ra7 Bb4 33. Rea1 Bc3 34. Ra8 Rbb8 35. Rxb8 Rxb8 36. Ra7 Rc8 37. Kf3 Nf6 38. Ke3 Ne8 39. f4 h5 40. g4 hxg4 41. hxg4 Nf6 42. Kf3 Bb2 43. Ra6 Kg7 44. Ra7 Kg8 45. Ra4 Nd7 46. g5 Bc3 47. Ke3 Rc7 48. Ra6 Kg7 49. Bb5 Nf8 50. Ra8 Bb4 51. Ra4 Be7 52. Kd3 Bd6 53. c4 dxc4+ 54. Bxc4 Bxf4 55. d5 exd5 56. Bxd5 Bxg5 57. Nd4 Nd7 58. Ra5 Rc5 59. Rxc5 Nxc5+ 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.05"]
[Round "3"]
[White "Becerra, Juan David"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2221"]
[BlackElo "2023"]
[PlyCount "76"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bb5 d6 5. 0-0 Be7 6. Nd5 Nf6 7. Re1 0-0 8. c3 Bg4 9. h3 Bh5 10. Bc4 Nxd5 11. Bxd5 Qd7 12. d3 Kh8 13. g4 Bg6 14. Kg2 f6 15. Nh4 Bf7 16. Nf5 Bxd5 17. exd5 Nd8 18. d4 cxd4 19. cxd4 g6 20. Ng3 Nf7 21. b3 Rac8 22. Bb2 Qb5 23. dxe5 dxe5 24. Ne4 Rfd8 25. g5 Rxd5 26. Qf3 Rd3 27. Qe2 f5 28. Ng3 Bxg5 29. Rad1 Qc6+ 30. Kg1 Rxd1 31. Qxd1 Rd8 32. Qa1 Bf6 33. f4 Qf3 34. Ne2 Rd2 35. Bxe5 Nxe5 36. fxe5 Qe3+ 37. Kf1 Bxe5 38. Qc1 Qf3+ 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.04"]
[Round "1"]
[White "Cuevas, Carlos Alberto"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2023"]
[PlyCount "44"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. a3 Be7 5. Bc4 Nf6 6. d3 d6 7. h3 0-0 8. Be3 Be6 9. Bxe6 fxe6 10. Qd2 a6 11. Ng5 Qd7 12. Na4 Bd8 13. b4 Nd4 14. Nb2 Nh5 15. Bxd4 cxd4 16. 0-0 Nf4 17. Nf3 Nxh3+ 18. gxh3 Rxf3 19. Kg2 Qf7 20. Rg1 Bh4 21. Raf1 Rf8 22. Nd1 Qh5 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.14"]
[Round "9"]
[White "Abril Guiza, Mauricio"]
[Black "Franco Valencia, Angela Maria"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2005"]
[BlackElo "2202"]
[PlyCount "75"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. 0-0 0-0 6. b4 d6 7. Bb2 f4 8. c4 fxg3 9. hxg3 c6 10. Qb3 Kh8 11. Nbd2 Bg4 12. e4 Qd7 13. Rae1 a5 14. bxa5 Rxa5 15. e5 Ng8 16. Bc3 Ra7 17. d5 cxd5 18. cxd5 Qa4 19. exd6 Qxb3 20. Bxg7+ Kxg7 21. axb3 exd6 22. Nd4 Rc8 23. Nc4 Ra6 24. Nb5 Rd8 25. Re3 Kf7 26. Rfe1 h5 27. Kh2 g5 28. Bf3 Nf6 29. Re7+ Kf8 30. Bxg4 Nxg4+ 31. Kg2 Ra2 32. Nbxd6 Rxf2+ 33. Kg1 Na6 34. Rh7 Re8 35. Rxh5 Rf3 36. Rf1 Rxf1+ 37. Kxf1 Nf6 38. Rxg5 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.13"]
[Round "8"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2204"]
[BlackElo "2005"]
[PlyCount "31"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 Nxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Nc4 Nf6 9. Be3 b5 10. Nb6 Rb8 11. Nxc8 Qxc8 12. f3 0-0 13. a4 b4 14. Nd5 Bd8 15. Rc1 Nxd5 16. Qxd5 1/2-1/2

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.13"]
[Round "7"]
[White "Prado Segura, Robinson Alexander"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1868"]
[BlackElo "2005"]
[PlyCount "108"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 d5 5. exd5 exd5 6. Bb5 Nge7 7. 0-0 a6 8. Bxc6+ Nxc6 9. Re1+ Be7 10. Kh1 0-0 11. d4 cxd4 12. Nxd4 Bh4 13. g3 Bf6 14. Be3 Re8 15. Nxc6 bxc6 16. Qd3 g6 17. Bd4 Bf5 18. Qd2 Bxd4 19. Qxd4 Bxc2 20. Re5 Rxe5 21. fxe5 c5 22. Qf2 Bf5 23. Qxc5 d4 24. Rd1 d3 25. Qe3 Qb8 26. Rd2 Qb4 27. Qf4 Qb7+ 28. Kg1 Qb6+ 29. Kg2 Rd8 30. Qf2 Qe6 31. Qf4 h5 32. Kf2 Re8 33. Qd4 Kg7 34. Qd6 Qxe5 35. Qxe5+ Rxe5 36. Nd1 g5 37. b3 Bg6 38. Nb2 Ra5 39. Nc4 Rc5 40. Nb2 Rc1 41. Ke3 Re1+ 42. Kf2 Rh1 43. Ke3 Re1+ 44. Kf2 Ra1 45. Nc4 Kf6 46. Ke3 Ke6 47. Kd4 Rc1 48. a4 f6 49. b4 Rb1 50. Nb2 Re1 51. b5 axb5 52. axb5 Kd7 53. Nxd3 Bxd3 54. Kxd3 Re8 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "5"]
[White "Abril Guiza, Mauricio"]
[Black "Sarmiento Tobon, Luis"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2005"]
[BlackElo "1788"]
[PlyCount "45"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 Nf6 3. cxd5 Qxd5 4. Nc3 Qd8 5. e4 e6 6. d4 Bb4 7. Bd3 0-0 8. 0-0 Be7 9. Re1 g6 10. Bg5 Re8 11. Qd2 Nh5 12. Bxe7 Qxe7 13. e5 c6 14. g4 Ng7 15. Qh6 f6 16. exf6 Qxf6 17. Ng5 Qxd4 18. Nce4 Nd7 19. Qxh7+ Kf8 20. Rad1 Nf6 21. Qxg6 Qd7 22. Nxf6 Qe7 23. Ngh7# 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "6"]
[White "Abril Guiza, Mauricio"]
[Black "Valle, Efrain"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2005"]
[BlackElo "2207"]
[PlyCount "40"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d6 3. Bb2 e5 4. e4 Nf6 5. Bb5+ Nbd7 6. Nc3 a6 7. Bd3 b5 8. 0-0 Bb7 9. Re1 Be7 10. a4 b4 11. Ne2 Nxe4 12. Bxe4 Bxe4 13. Ng3 Bg6 14. d4 cxd4 15. Bxd4 Rc8 16. Qd2 Rxc2 17. Qxb4 0-0 18. Be3 f5 19. Rac1 Qc8 20. Ne2 Qc6 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "3"]
[White "Abril Guiza, Mauricio"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2005"]
[BlackElo "1749"]
[PlyCount "41"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. e3 0-0 7. b3 d5 8. Bb2 Nbd7 9. Qe2 c5 10. Rd1 Qc7 11. Nc3 Ne4 12. Nb5 Qb8 13. d3 Nd6 14. Nc3 Nf6 15. Rac1 Rd8 16. Ne5 d4 17. exd4 cxd4 18. Nb5 Bxg2 19. Kxg2 Qb7+ 20. Qf3 Qxf3+ 21. Nxf3 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "4"]
[White "Ruiz Aguilar, Pablo Alexander"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2239"]
[BlackElo "2005"]
[PlyCount "40"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nf6 6. Ng5 0-0 7. f4 d5 8. exd5 Nd4 9. 0-0 Bg4 10. Qd2 Nd7 11. d6 Bxg5 12. fxg5 Nb6 13. Nd5 Nxc4 14. dxc4 Bf5 15. Nf6+ gxf6 16. c3 Ne6 17. Rxf5 Nxg5 18. Qd5 Ne6 19. Bh6 Qd7 20. Rxf6 b5 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.10"]
[Round "1"]
[White "Abril Guiza, Mauricio"]
[Black "Acosta, Jaime"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2005"]
[BlackElo "1642"]
[PlyCount "18"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 Bg4 5. Qb3 Qb6 6. Ne5 Qxb3 7. axb3 Be6 8. d4 g6 9. Bd3 Bd7 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.10"]
[Round "2"]
[White "Rodriguez Rueda, Paula Andrea"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2250"]
[BlackElo "2005"]
[PlyCount "61"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Qc2 d6 6. e4 g6 7. Nc3 Bg7 8. Nf3 0-0 9. Be2 axb5 10. Bxb5 Na6 11. 0-0 Nb4 12. Qe2 Bg4 13. Bg5 Bxf3 14. gxf3 Qc8 15. a3 Na6 16. f4 Nc7 17. Bc6 Ra7 18. Kh1 h6 19. Bh4 Qh3 20. Bg3 h5 21. e5 Ng4 22. f3 h4 23. Bxh4 Nh6 24. Bf2 Nf5 25. Ne4 Bh6 26. exd6 Bxf4 27. Bxc5 Ra5 28. dxe7 Rxc5 29. exf8Q+ Kxf8 30. Qg2 Qh8 31. Nxc5 1-0

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.03"]
[Round "7"]
[White "Abril Guiza, Mauricio"]
[Black "Jerez Camargo, Cristian F"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1998"]
[BlackElo "1683"]
[PlyCount "121"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. b3 d5 2. Nf3 Bf5 3. Bb2 Nf6 4. g3 c5 5. Bg2 Nc6 6. 0-0 Qd7 7. Re1 Bh3 8. Bh1 h5 9. Ng5 h4 10. Nxh3 hxg3 11. hxg3 Qxh3 12. Bg2 Qh2+ 13. Kf1 e5 14. e4 dxe4 15. Nc3 0-0-0 16. Nxe4 Nxe4 17. Qg4+ Kc7 18. Qxe4 f6 19. Rad1 Qh7 20. Qxh7 Rxh7 21. Be4 Rh2 22. Kg1 Rh8 23. Kg2 Bd6 24. Rh1 Ne7 25. d3 f5 26. Bf3 g5 27. Rxh8 Rxh8 28. Re1 g4 29. Bd1 Nc6 30. f4 gxf3+ 31. Bxf3 Re8 32. a3 Nd4 33. Bxd4 cxd4 34. a4 Rg8 35. Rh1 Re8 36. Rh7+ Re7 37. Rxe7+ Bxe7 38. Bd5 Bg5 39. Be6 f4 40. g4 Kd6 41. Bc8 b6 42. Kf3 Kc5 43. Ke4 Bf6 44. Bb7 Kd6 45. Kf5 Ke7 46. g5 Bh8 47. Bd5 Kd6 48. Be4 Ke7 49. Kg6 Kf8 50. Kh7 Bg7 51. b4 Bf6 52. gxf6 Kf7 53. Kh6 Kxf6 54. Kh5 a5 55. bxa5 bxa5 56. Kg4 Ke6 57. Kg5 Kd6 58. Kf6 Kc5 59. Kxe5 Kb4 60. Kxf4 Kxa4 61. Ke5 1-0

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.03"]
[Round "8"]
[White "Rodriguez, Jose Luis"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2017"]
[BlackElo "1998"]
[PlyCount "30"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. d3 d5 5. Nbd2 Nc6 6. e4 e6 7. 0-0 Nge7 8. Re1 0-0 9. e5 Qc7 10. Qe2 a5 11. Nf1 b5 12. Bf4 b4 13. h4 Ba6 14. c3 a4 15. a3 h5 1/2-1/2

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.02"]
[Round "5.1"]
[White "Abril Guiza, Mauricio"]
[Black "Sanchez, Sebastian Felipe"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "1998"]
[BlackElo "2331"]
[PlyCount "74"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. c4 Be7 5. 0-0 0-0 6. b3 d4 7. Bb2 c5 8. e3 Nc6 9. exd4 cxd4 10. Re1 Bc5 11. d3 Re8 12. Ba3 Nd7 13. Qd2 a5 14. Bxc5 Nxc5 15. Na3 e5 16. Nb5 Bf5 17. Bf1 h6 18. Nh4 Bh7 19. f4 e4 20. dxe4 Nxe4 21. Qg2 Qb6 22. h3 Nb4 23. Kh2 d3 24. f5 Ng5 25. Rxe8+ Rxe8 26. Rd1 Nc2 27. Qg1 Re2+ 28. Kh1 Qxg1+ 29. Kxg1 Bxf5 30. Bxe2 dxe2 31. Rc1 Bxh3 32. Ng2 Bxg2 33. Kxg2 e1Q 34. Rxe1 Nxe1+ 35. Kf2 Nd3+ 36. Ke3 Nc5 37. Nd6 Nge6 0-1

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.02"]
[Round "6"]
[White "Suarez Pinto, Sergio Rafael"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1761"]
[BlackElo "1998"]
[PlyCount "85"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. exf5 Bxf5 10. Bd3 Be6 11. Nc2 Nf6 12. Ne3 0-0 13. 0-0 Qe8 14. Nf5 Rc8 15. Nxe7+ Nxe7 16. b3 b5 17. Bb2 bxc4 18. Bxc4 Bxc4 19. bxc4 Nf5 20. Nd5 Kh8 21. Rc1 Qg6 22. Nxf6 gxf6 23. Qf3 Rg8 24. g3 Nh4 25. Qd5 Qg4 26. Kh1 Rcf8 27. f4 Nf5 28. Qf3 Qh3 29. g4 Qxf3+ 30. Rxf3 e4 31. Ra3 Rxg4 32. Rxa6 Rxf4 33. c5 dxc5 34. Bxf6+ Rxf6 35. Rxf6 Ng3+ 36. hxg3 Rxf6 37. Rxc5 Ra6 38. Re5 Ra4 39. Kg2 Rxa2+ 40. Kf1 Ra4 41. Ke2 Kg7 42. Ke3 Ra3+ 43. Kf4 1/2-1/2

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.01"]
[Round "4"]
[White "Abril Guiza, Mauricio"]
[Black "Guzman Mellado, Arcadio"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1998"]
[BlackElo "1912"]
[PlyCount "39"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. f4 Qe7 6. Nf3 Bg4 7. fxe5 Bxe5 8. Bxe5 Bxf3 9. Qxf3 Qxe5 10. 0-0 Nf6 11. Nc3 Rd8 12. Bxc6+ bxc6 13. Qf4 Qe7 14. Qa4 Qc5 15. Rf4 0-0 16. Raf1 Ne4 17. Qd4 Qb6 18. Nxe4 dxe4 19. Qxe4 Rde8 20. Rxf7 1-0

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.01"]
[Round "3"]
[White "Rico Hernandez, Edgar"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1887"]
[BlackElo "1998"]
[PlyCount "94"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 Ngxe5 7. 0-0 0-0 8. Nbd2 a5 9. Nxe5 Nxe5 10. Nf3 Re8 11. Qc2 Ra6 12. Bd2 Rh6 13. e4 Rg6 14. Bf4 Nxf3+ 15. Bxf3 Qh4 16. Qd2 d6 17. g3 Qh3 18. Bg2 Qh5 19. Qd5 Qe2 20. b3 c6 21. Qd2 Qh5 22. Be3 Bxe3 23. Qxe3 Bg4 24. f3 Bh3 25. g4 Qh4 26. Qf2 Qh6 27. Rad1 Bxg2 28. Kxg2 Qf4 29. Qg3 Qf6 30. Rd2 h5 31. h3 a4 32. Rfd1 hxg4 33. hxg4 axb3 34. axb3 Qc3 35. Rd3 Qb4 36. R1d2 Rge6 37. Rd1 Ra8 38. R1d2 g6 39. Qf4 Kg7 40. Kg3 Qc5 41. Rd4 Ra1 42. Qe3 g5 43. f4 gxf4+ 44. Qxf4 Rf6 45. Qe3 Qe5+ 46. Kg2 Rh6 47. Qg3 Rg1+ 0-1

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.05.31"]
[Round "2"]
[White "Abril Guiza, Mauricio"]
[Black "Rincon R, Javier Duvan"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1998"]
[BlackElo "1633"]
[PlyCount "83"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 e6 3. e3 d5 4. f4 a6 5. Nf3 c5 6. Be2 Nbd7 7. 0-0 b5 8. d3 Bb7 9. Nbd2 Rc8 10. c4 Ng4 11. Qe1 Nxe3 12. Qg3 Nxf1 13. Rxf1 d4 14. Bc1 Nf6 15. f5 Qc7 16. Qh3 e5 17. g4 Be7 18. g5 Nd7 19. g6 f6 20. gxh7 Nf8 21. Qh5+ Kd8 22. Nh4 Rxh7 23. Qg4 Bd6 24. Bf3 Bxf3 25. Ndxf3 Qd7 26. h3 Kc7 27. Bd2 b4 28. a4 Re8 29. Re1 Rh8 30. Re4 Qf7 31. Qg2 g5 32. fxg6 Qd7 33. Rg4 f5 34. g7 fxg4 35. gxh8Q gxf3 36. Nxf3 Ne6 37. Qh5 Nf4 38. Bxf4 exf4 39. Qgg4 Qe7 40. Qhf5 Qe3+ 41. Kh1 Qe7 42. Qe4 1-0

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.05.31"]
[Round "1"]
[White "Massey, Carlos"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1600"]
[BlackElo "1998"]
[PlyCount "72"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. c4 Bg7 5. Nc3 0-0 6. Bd3 e6 7. 0-0 d5 8. Bd2 Nc6 9. dxc5 Qe7 10. Na4 Rd8 11. Qc2 e5 12. cxd5 Nxd5 13. Be4 Be6 14. Rac1 f5 15. Bxd5 Bxd5 16. a3 Kh8 17. b4 Qf7 18. Rb1 Be4 19. Ng5 Bxc2 20. Nxf7+ Kg8 21. Nxd8 Rxd8 22. Rb2 Bxa4 23. Bc3 a6 24. Rd2 Rxd2 25. Bxd2 e4 26. f3 Bb5 27. Rf2 Bb2 28. fxe4 fxe4 29. Rf4 Bd3 30. a4 Ne5 31. Rf2 Nc4 32. b5 axb5 33. axb5 Nxd2 34. Rxd2 Bc1 35. Ra2 Bxe3+ 36. Kh1 Bxc5 0-1

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.17"]
[Round "8"]
[White "Abril Guiza, Mauricio"]
[Black "Duran Barraza, Mateo Andres"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1998"]
[BlackElo "1886"]
[PlyCount "79"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. c4 c6 4. Bg2 Bf5 5. Qb3 Qb6 6. Nc3 e6 7. cxd5 exd5 8. Qxb6 axb6 9. d3 Nbd7 10. 0-0 Bd6 11. e4 Be6 12. Nd4 Bc5 13. Nxe6 fxe6 14. Bh3 Kf7 15. Kg2 b5 16. f3 Rhd8 17. Ne2 e5 18. f4 dxe4 19. dxe4 Kg8 20. fxe5 Nxe5 21. Nf4 Bb6 22. Bf5 Rd6 23. Kh1 Rad8 24. Ne6 Rd1 25. Bf4 Neg4 26. Nxd8 Rxd8 27. h3 Nf2+ 28. Kg2 Nd3 29. Bg5 h6 30. Be6+ Kh8 31. Bxf6 gxf6 32. Rxf6 Ne5 33. Raf1 Kg7 34. h4 h5 35. R6f5 Rd2+ 36. Kh3 Bd4 37. Rxh5 Rxb2 38. Rff5 Ng6 39. Rf7+ Kg8 40. Rg5 1-0

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.17"]
[Round "9"]
[White "Torres, Juan Diego"]
[Black "Abril Guiza, Mauricio"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "1810"]
[BlackElo "1998"]
[PlyCount "95"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Qe2 g6 5. c3 Bg7 6. 0-0 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Nxc3 11. bxc3 Bg4 12. h3 Bxf3 13. Qxf3 Na5 14. Bf4 a6 15. Bd3 Rc8 16. Rfc1 b5 17. g4 e6 18. Qe3 Nc4 19. Bxc4 Rxc4 20. Bg5 Qc7 21. h4 Rc8 22. Qe2 Rxc3 23. Rxc3 Qxc3 24. Rc1 Qxc1+ 25. Bxc1 Rxc1+ 26. Kg2 Rc4 27. Qd2 h6 28. h5 gxh5 29. gxh5 b4 30. f4 a5 31. Qd1 Rc3 32. Qa4 Ra3 33. Qe8+ Bf8 34. f5 exf5 35. e6 fxe6 36. Qxe6+ Kh8 37. Qxd5 f4 38. Qe5+ Bg7 39. Qe8+ Kh7 40. Qg6+ Kh8 41. Qe8+ Kh7 42. Qf7 f3+ 43. Kf1 a4 44. Qg6+ Kh8 45. Qe8+ Kh7 46. Qg6+ Kh8 47. Qe8+ Kh7 48. Qg6+ 1/2-1/2

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.16"]
[Round "6"]
[White "Abril Guiza, Mauricio"]
[Black "Corpus, Jair Samir"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1998"]
[BlackElo "1881"]
[PlyCount "85"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. d3 d5 5. cxd5 Nxd5 6. g3 Be7 7. Bg2 Be6 8. 0-0 h5 9. h4 Qd7 10. Re1 f6 11. Ne4 0-0-0 12. a3 g5 13. b4 gxh4 14. Nxh4 Rdg8 15. Nc5 Bxc5 16. bxc5 f5 17. e3 f4 18. exf4 exf4 19. Rxe6 Qxe6 20. Bb2 Rh6 21. Qf3 Nce7 22. Kh2 Kb8 23. Bh3 Qf7 24. Rf1 fxg3+ 25. fxg3 Qxf3 26. Rxf3 a6 27. Rf7 Re8 28. Bg2 Re6 29. Be4 Ne3 30. Nf3 Ng4+ 31. Kg2 Nc6 32. Ng5 R6e7 33. Rf4 Nce5 34. Kh3 Rg8 35. Bc1 Ka7 36. Rf5 Rd7 37. Ne6 Nxd3 38. Bxd3 Rxd3 39. Bf4 Rxa3 40. Bxc7 Ra2 41. Bb6+ Kb8 42. Rf8+ Rxf8 43. Nxf8 0-1

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.16"]
[Round "7"]
[White "Cedeno, Romulo"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1849"]
[BlackElo "1998"]
[PlyCount "52"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. e3 Bg7 4. f4 0-0 5. Nf3 c5 6. c4 b6 7. Be2 Bb7 8. Bxf6 Bxf6 9. Nc3 e6 10. 0-0 d5 11. d4 Nc6 12. cxd5 exd5 13. Rc1 Ne7 14. Ne5 Nf5 15. Qd2 Be7 16. g4 Nxe3 17. Rf2 cxd4 18. Na4 Bh4 19. Qxd4 Bxf2+ 20. Kxf2 f6 21. Nc6 Bxc6 22. Rxc6 Qd7 23. Bf3 Qxc6 24. Kxe3 Rfe8+ 25. Kf2 Rad8 26. Nc3 Qc5 0-1

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.15"]
[Round "5"]
[White "Martinez, Luis Hernando"]
[Black "Abril Guiza, Mauricio"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1600"]
[BlackElo "1998"]
[PlyCount "77"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. e5 d4 5. cxd4 cxd4 6. Bc4 e6 7. 0-0 Nge7 8. d3 Ng6 9. Qe2 Be7 10. a3 0-0 11. g3 a6 12. b4 b5 13. Bb3 Bb7 14. Nbd2 Qb6 15. Bb2 Rfd8 16. h4 h6 17. Rac1 a5 18. bxa5 Nxa5 19. Bd1 Nc6 20. h5 Nf8 21. Ra1 Nd7 22. Kh2 Nc5 23. Ne1 Na4 24. Bxa4 Rxa4 25. f4 Qc5 26. Ne4 Qd5 27. Nf3 Rda8 28. Nfd2 Bxa3 29. Bxa3 Rxa3 30. Rxa3 Rxa3 31. Rg1 Kh8 32. Nd6 Nd8 33. Kh3 Qa2 34. Qg4 Qxd2 35. Ne8 g5 36. hxg6 f5 37. g7+ Kg8 38. Nf6+ Kf7 39. g8Q+ 1-0

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.13"]
[Round "2"]
[White "Abril Guiza, Mauricio"]
[Black "Contreras, Camilo Andres"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "1998"]
[BlackElo "1914"]
[PlyCount "97"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 g6 5. e4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Be2 0-0 11. Qd2 Qa5 12. Rb1 d6 13. 0-0 Re8 14. f4 f5 15. b4 Qd8 16. exf5 gxf5 17. Bf3 Nc7 18. Rbd1 Bd7 19. Bd4 e5 20. fxe5 dxe5 21. Bc5 Be6 22. Qe2 Qh4 23. Bxb7 Bxc4 24. Qf2 Qxf2+ 25. Rxf2 Rad8 26. Rxf5 e4 27. Rxd8 Rxd8 28. Rg5 Ne6 29. Rxg7+ Kxg7 30. Bxe4 Nxc5 31. bxc5 Bxa2 32. Nxa2 Rd1+ 33. Kf2 Rd2+ 34. Ke3 Rxa2 35. c6 Ra1 36. Bc2 Re1+ 37. Kd4 Re7 38. Kd5 Kf7 39. Bxh7 Ke8 40. Bc2 Kf7 41. Bf5 Ke8 42. g4 Kd8 43. Kd6 a5 44. Kc5 Rc7 45. h4 a4 46. Be6 a3 47. Bc4 Re7 48. Bb3 Re4 49. Bc4 0-1

[Event "COL-ch Amateur"]
[Site "San Andres Islas"]
[Date "2013.03.13"]
[Round "1"]
[White "Corpus, Eugenio"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1848"]
[BlackElo "1998"]
[PlyCount "54"]
[EventDate "2013.03.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. Bd3 f4 10. g3 Nf6 11. gxf4 exf4 12. Bxf4 0-0 13. Qd2 Ng4 14. 0-0 Nd4 15. f3 Rxf4 16. Qxf4 Bg5 17. Qg3 Bh4 18. Qf4 Ne5 19. Rad1 Bh3 20. Qe3 Qf6 21. Kh1 Bxf1 22. Rxf1 Ndxf3 23. Nd5 Qg5 24. Be2 Qxe3 25. Nxe3 Nd2 26. Rf4 Bg5 27. Rf2 Bxe3 0-1

[Event "Duitama op 9th"]
[Site "Duitama"]
[Date "2013.01.07"]
[Round "7"]
[White "Cardozo Meza, Ferney Adan"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1906"]
[BlackElo "1989"]
[PlyCount "81"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nge7 9. c3 Nxd5 10. Qxd5 Bb7 11. Qd3 Be7 12. Nc2 0-0 13. Ne3 Bg5 14. Nf5 Bxc1 15. Rxc1 Qg5 16. Rd1 d5 17. Nd6 Nd8 18. Nxb7 Nxb7 19. exd5 Nd6 20. Qg3 Qf5 21. Bd3 e4 22. Bb1 Rad8 23. 0-0 Qh5 24. f3 e3 25. Rde1 Nc4 26. Re2 Rxd5 27. b3 Rg5 28. Qf4 Nd2 29. Rd1 Qh6 30. Qxe3 Nxb1 31. f4 Rh5 32. Rxb1 Rxh2 33. Kf2 Qh4+ 34. Qg3 Qh6 35. Rbe1 Rh4 36. Re4 Qf6 37. Qf3 g6 38. Kg1 Kg7 39. g3 Rh5 40. g4 Rc5 41. Re5 0-1

[Event "Duitama op 9th"]
[Site "Duitama"]
[Date "2013.01.06"]
[Round "6"]
[White "Abril Guiza, Mauricio"]
[Black "Velasco, Luz Mariela"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "1989"]
[BlackElo "1805"]
[PlyCount "71"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 d5 3. Bg2 Nf6 4. c4 d4 5. b4 cxb4 6. a3 Nc6 7. axb4 Nxb4 8. Ne5 e6 9. Ba3 Qa5 10. 0-0 Bd6 11. Nd3 Nxd3 12. Bxd6 Qxa1 13. exd3 a5 14. Qb3 a4 15. Qb5+ Nd7 16. Bxb7 Bxb7 17. Qxb7 Rd8 18. Nc3 Qxf1+ 19. Kxf1 dxc3 20. dxc3 f5 21. Qc6 Kf7 22. Qxa4 Nf6 23. c5 Ra8 24. Qc6 Ra2 25. Qb7+ Kg6 26. Qb3 Rha8 27. Qxe6 Rc2 28. Be5 Re8 29. Qd6 Ra8 30. c6 Raa2 31. Bd4 Kg5 32. h3 h5 33. c7 h4 34. gxh4+ Kxh4 35. c8Q Kxh3 36. Qg3# 1-0

