[Event "Fomeque op"]
[Site "Fomeque"]
[Date "2023.08.21"]
[Round "5"]
[White "Contreras, Henry Esteban"]
[Black "Reina Bonilla, Edwin Oswaldo"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1743"]
[BlackElo "1541"]
[PlyCount "39"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bf4 Bb4 6. Nf3 Bxc3+ 7. bxc3 Ne7 8. Bd6 0-0 9. Bc4 Nbc6 10. Bb3 f5 11. e5 h6 12. Qd3 Rf7 13. h4 Na5 14. Rd1 Nxb3 15. axb3 b5 16. Nd4 a6 17. Bc5 Qc7 18. Bd6 Qb6 19. b4 Bb7 20. Rh3 0-1

[Event "Fomeque op"]
[Site "Fomeque"]
[Date "2023.08.21"]
[Round "6"]
[White "Contreras, Henry Esteban"]
[Black "Rivera Fernandez, Fredy Alejandro"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1743"]
[BlackElo "1418"]
[PlyCount "30"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. dxe6 Bxe6 5. d4 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 Qe7 8. Qe3 Nc6 9. d5 0-0-0 10. Nc3 Qb4 11. 0-0-0 Ng4 12. Qg3 Nce5 13. dxe6 Rxd1+ 14. Nxd1 Rd8 15. e7 Qd2+ 0-1

[Event "Fomeque op"]
[Site "Fomeque"]
[Date "2023.08.20"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Beltran Serna, Ian Samuel"]
[Result "0-1"]
[ECO "C51"]
[WhiteElo "1743"]
[BlackElo "1451"]
[PlyCount "70"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Nf6 7. dxe5 Ng4 8. Qd5 0-0 9. h3 Nh6 10. Bxh6 gxh6 11. Nd4 Nxd4 12. Qxd4 c5 13. Qe3 Qb6 14. Nd2 Kh8 15. 0-0 Qg6 16. f4 f6 17. exf6 Bxf6 18. e5 Be7 19. Bd3 Qg7 20. f5 Bg5 21. Rf4 Bxf4 22. Qxf4 d6 23. f6 Qg5 24. Qe4 Qg6 25. Qd5 Qg3 26. exd6 Bxh3 27. Qe4 Rf7 28. Re1 Bxg2 29. Qe5 Qxd3 30. Qe8+ Rf8 31. Qe7 Qg6 32. Qg7+ Qxg7 33. fxg7+ Kxg7 34. Kxg2 Rad8 35. Re6 Rf6 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.28"]
[Round "5"]
[White "Sanchez Aristizabal, Juan Manuel"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B13"]
[BlackElo "1782"]
[PlyCount "71"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bg4 5. Be2 Nf6 6. Bf4 e6 7. h3 Bh5 8. g4 Bg6 9. Ne5 Nbd7 10. Nxg6 hxg6 11. Nc3 Bb4 12. Bd2 Qb6 13. a3 Bd6 14. Be3 Qxb2 15. Nb5 Ne4 16. Rb1 Qa2 17. Qc1 a6 18. Nxd6+ Nxd6 19. Ra1 Qxa1 20. Qxa1 Rc8 21. Qb2 Nf6 22. Kf1 Nfe4 23. Kg2 g5 24. Bd3 f5 25. f3 f4 26. fxe4 dxe4 27. Bxe4 Nxe4 28. Bf2 0-0 29. Re1 f3+ 30. Kg1 Rf4 31. d5 exd5 32. Qxb7 Rc5 33. Bxc5 f2+ 34. Bxf2 Nxf2 35. Qxd5+ Kh7 36. Qg2 1-0

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "2"]
[White "Contreras, Henry Esteban"]
[Black "Obando Guzman, Soren Federico"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "1782"]
[BlackElo "2045"]
[PlyCount "99"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. e4 d6 4. Nge2 b6 5. g3 Bb7 6. Bg2 Nbd7 7. 0-0 e6 8. h3 a6 9. d3 Qc7 10. a3 Be7 11. Be3 0-0 12. f4 h5 13. f5 exf5 14. Rxf5 g6 15. Rf2 Nh7 16. Bh6 Rfe8 17. Nf4 Ndf6 18. Qd2 Bf8 19. Nfe2 Re6 20. Raf1 Bg7 21. Nf4 Re7 22. Bxg7 Kxg7 23. b3 Rf8 24. Qb2 Re5 25. Ncd5 Bxd5 26. Nxd5 Nxd5 27. exd5 Kg8 28. d4 cxd4 29. Qxd4 b5 30. Rc2 Rg5 31. Qf4 Qc5+ 32. Kh2 Qxa3 33. c5 Qxb3 34. Rcf2 dxc5 35. d6 Qe6 36. Qd2 h4 37. gxh4 Rxg2+ 38. Kxg2 Qe4+ 39. Kh2 Qxh4 40. Rf4 Qd8 41. R4f2 Ng5 42. Qd5 Ne6 43. Rxf7 Rxf7 44. Qxe6 Qd7 45. Qxg6+ Rg7 46. Qf6 Qb7 47. Qf8+ Kh7 48. Qf5+ Kg8 49. Qf8+ Kh7 50. Qf5+ 1/2-1/2

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "3"]
[White "Hernandez David, Alejandro"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B18"]
[BlackElo "1782"]
[PlyCount "67"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Ngf6 8. h4 Bxd3 9. Qxd3 e6 10. Bd2 Be7 11. 0-0-0 b5 12. Kb1 Nd5 13. Nh5 g6 14. Ng7+ Kf8 15. Bh6 Kg8 16. Ne5 Nxe5 17. dxe5 Bf8 18. Bg5 Qc8 19. Nh5 gxh5 20. Rh3 Bg7 21. Rg3 Kf8 22. Bf6 Bxf6 23. exf6 Nxf6 24. Qd4 Ke7 25. Qd6+ Ke8 26. Qe5 Rg8 27. Qxf6 Rxg3 28. fxg3 Rb8 29. Qh8+ Ke7 30. Qxh7 Qh8 31. Qe4 Rd8 32. Qb4+ Kf6 33. Qf4+ Kg6 34. Qg5+ 1-0

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.04"]
[Round "6"]
[White "Munoz Guzman, German"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1671"]
[BlackElo "1793"]
[PlyCount "72"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 a6 4. Nf3 d6 5. Be3 Nf6 6. h3 b5 7. Bd3 Bb7 8. a3 Nbd7 9. 0-0 0-0 10. Qd2 c5 11. d5 Re8 12. Nh2 Rc8 13. f3 Ne5 14. Be2 b4 15. axb4 cxb4 16. Nd1 Nc4 17. Bxc4 Rxc4 18. Ng4 Nxg4 19. hxg4 Qc7 20. c3 bxc3 21. Nxc3 Rc8 22. Rfc1 Bxc3 23. bxc3 f6 24. Bd4 Qd8 25. Kf2 g5 26. Rcb1 Qd7 27. Rb3 Ba8 28. Rxa6 Ra4 29. Rab6 Rcc4 30. Rb8+ Kf7 31. Rh8 Qc7 32. Rbb8 Qa5 33. Rxa8 Rxd4 34. Qxd4 Ra2+ 35. Kg3 Qxa8 36. Rxa8 Rxa8 1-0

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.03"]
[Round "5"]
[White "Tobar Beltran, Carlos Andres"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "1783"]
[BlackElo "1793"]
[PlyCount "91"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 Nbd7 4. Nc3 e5 5. d5 a5 6. e4 Nc5 7. Bg5 Be7 8. Bxf6 Bxf6 9. h3 g6 10. Be2 Bg7 11. g4 Bd7 12. a4 f5 13. gxf5 gxf5 14. Nd2 Qh4 15. Qc2 Rf8 16. 0-0-0 Bh6 17. f3 Be3 18. Kb1 f4 19. Nb5 Bxb5 20. cxb5 b6 21. Nb3 Rg8 22. Nxc5 Bxc5 23. Bf1 Rg3 24. Bg2 Ke7 25. Rd2 Rag8 26. Ka2 Kf6 27. Rh2 R8g7 28. Qd1 R3g5 29. Qh1 Qg3 30. h4 Rh5 31. Bh3 Qg1 32. Bg4 Qxh1 33. Rxh1 Rh6 34. h5 Rxg4 35. fxg4 Kg5 36. Kb3 f3 37. Kc2 Rf6 38. Kd3 Kxg4 39. Rdh2 h6 40. Rh4+ Kg5 41. R4h3 Rf4 42. Rg3+ Rg4 43. Rxf3 Rg2 44. Rf5+ Kg4 45. Rf6 Kg5 46. Rg6+ 1-0

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.02"]
[Round "2"]
[White "Beltran, Martha Cecilia"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1633"]
[BlackElo "1793"]
[PlyCount "66"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d6 2. e4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nf3 Bd6 6. Bc4 f6 7. Nc3 Bg4 8. Be2 Nc6 9. Nd2 Bxe2 10. Nxe2 Nb4 11. Kd1 Ke7 12. a3 Nc6 13. Nb3 Rd8 14. Ke1 a5 15. Be3 Ke6 16. Nc5+ Bxc5 17. Bxc5 Nh6 18. f3 Nd4 19. Bxd4 exd4 20. Rd1 Ke5 21. Nc1 b6 22. Nd3+ Ke6 23. Ke2 Nf7 24. Rd2 Nd6 25. Nf4+ Ke5 26. Nd3+ Ke6 27. Nf4+ Kf7 28. Rxd4 g5 29. Nd5 c5 30. Rdd1 Nc4 31. Rb1 Rhe8 32. Kd3 b5 33. a4 Rxd5+ 0-1

[Event "COL-ch U1800"]
[Site "Villamaria"]
[Date "2019.11.02"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Riscanevo, Camilo Andres"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1793"]
[BlackElo "1688"]
[PlyCount "52"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 Nf6 3. e4 d6 4. Nge2 Bb7 5. d3 g6 6. g3 Nbd7 7. Bg2 Bg7 8. 0-0 e5 9. f4 0-0 10. f5 Qe7 11. h3 a6 12. Be3 h6 13. Qd2 Kh7 14. Rf2 g5 15. g4 c6 16. Ng3 b5 17. Bf3 b4 18. Nce2 d5 19. exd5 cxd5 20. cxd5 Bxd5 21. Bxg5 hxg5 22. Qxg5 Bh6 23. Qh4 Rg8 24. Nh5 Bxf3 25. Rxf3 Qc5+ 26. d4 Qb6 0-1

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.08.31"]
[Round "5"]
[White "Contreras, Henry Esteban"]
[Black "Acero Vargas, Cristian Camilo"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1792"]
[BlackElo "1576"]
[PlyCount "37"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 e6 5. Nb5 d6 6. Qa4 Nc6 7. Nxa7 Qc7 8. Nb5 Rxa4 9. Nxc7+ Kd7 10. Nb5 Rxc4 11. Nc3 d5 12. b3 Rxc3 13. Bb2 Rc1+ 14. Rxc1 Bxb2 15. Rxc5 Nf6 16. d3 Ba3 17. Rc2 Nd4 18. Kd1 Nxc2 19. Kxc2 0-1

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.08.30"]
[Round "4"]
[White "Guevara Rincon, Cristian Camilo"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1673"]
[BlackElo "1792"]
[PlyCount "84"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Bg4 5. Be3 Nf6 6. Nbd2 e6 7. c3 Bd6 8. Bd3 Nbd7 9. 0-0 0-0 10. Bg5 Qc7 11. Qc2 a6 12. a3 b5 13. Rfe1 Bxf3 14. Nxf3 h6 15. Bh4 Rab8 16. Qe2 Be7 17. Bg3 Bd6 18. Ne5 Nb6 19. b3 Rfc8 20. Rec1 Qe7 21. Qa2 Rc7 22. c4 bxc4 23. bxc4 dxc4 24. Nxc4 Bxg3 25. hxg3 Rbc8 26. Rab1 Nxc4 27. Rxc4 Rxc4 28. Bxc4 Qd6 29. Qb3 a5 30. Rd1 Rb8 31. Qd3 Nd5 32. Rb1 Rxb1+ 33. Qxb1 Qxa3 34. Qb8+ Qf8 35. Qb5 Qd8 36. Qa4 Nc3 37. Qb3 Qxd4 38. Kf1 a4 39. Qb8+ Kh7 40. Be2 Nxe2 41. Kxe2 a3 42. Qe8 a2 0-1

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.08.29"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Viana Ardila, Juan Carlos"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1792"]
[BlackElo "1608"]
[PlyCount "86"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. e4 Nc6 5. d3 h5 6. h3 Qb6 7. Nc3 e6 8. Nge2 Nge7 9. f4 d6 10. Nb5 Qd8 11. Rb1 0-0 12. Be3 b6 13. 0-0 a6 14. Nbc3 Nd4 15. f5 exf5 16. exf5 Nexf5 17. Bxd4 cxd4 18. Nd5 Be6 19. Qb3 Rb8 20. Kh2 h4 21. g4 Bxd5 22. gxf5 Bxg2 23. Kxg2 Qg5+ 24. Kh1 Qe3 25. Ng1 Be5 26. Rbe1 Qg3 27. Re2 Qg5 28. Rg2 Bg3 29. fxg6 fxg6 30. c5+ Kg7 31. Rxf8 Rxf8 32. cxb6 Rf1 33. b7 Qf5 34. Qc2 Qxh3+ 35. Rh2 Bxh2 36. Qxh2 Qxh2+ 37. Kxh2 Rf8 38. b3 Rb8 39. Nf3 Rxb7 40. Nxd4 Kh6 41. Kh3 Rf7 42. Kg4 g5 43. Nf5+ Rxf5 0-1

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.08.29"]
[Round "2"]
[White "Reyes Aristizabal, Andres"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1641"]
[BlackElo "1792"]
[PlyCount "84"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. Nc3 exd4 4. Qxd4 Nc6 5. Qd1 Nf6 6. e3 Bf5 7. Nf3 Nb4 8. Qa4+ Nc6 9. Qb5 Bd7 10. Qb3 g6 11. Be2 Bg7 12. 0-0 Na5 13. Qc2 0-0 14. b3 Ne4 15. Bb2 Bf5 16. Nxe4 Bxe4 17. Qd2 Bxb2 18. Qxb2 Nc6 19. h3 Qe7 20. Nh2 Qg5 21. Nf3 Qe7 22. Nh2 f5 23. f3 Bd3 24. Qd2 Bxe2 25. Qxe2 Rae8 26. Rfe1 Rf6 27. Qd2 Re6 28. Nf1 Qg5 29. Rad1 Ne5 30. Kh2 Qh4 31. Qd5 c6 32. Qd2 g5 33. Qe2 Rh6 34. Ng3 Rf8 35. Rd4 g4 36. Nh1 c5 37. Rdd1 Nxf3+ 38. gxf3 Qxh3+ 39. Kg1 Qxh1+ 40. Kf2 g3+ 41. Kxg3 Rg6+ 42. Kf4 Qh6# 0-1

[Event "COL-chD"]
[Site "Bogota"]
[Date "2019.08.28"]
[Round "1"]
[White "Contreras, Henry Esteban"]
[Black "Florez Chaparro, Edgar Orlando"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1792"]
[BlackElo "1527"]
[PlyCount "64"]
[EventDate "2019.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Ne2 0-0 6. h3 c5 7. Nbc3 e6 8. 0-0 Nc6 9. d3 Bd7 10. Be3 b6 11. f4 Bh6 12. Qd2 Kg7 13. g4 Nxg4 14. hxg4 Kg8 15. f5 g5 16. f6 Kh8 17. Bxg5 Bxg5 18. Qxg5 Rg8 19. Qh5 Ne5 20. g5 Rg6 21. Nf4 Qg8 22. Nxg6+ fxg6 23. Qe2 Nf7 24. Qe3 Bc6 25. Kf2 Ne5 26. Ke2 Qf7 27. Rh1 d5 28. exd5 Ng4 29. Qf4 exd5 30. Qxg4 Re8+ 31. Kd2 dxc4 32. Rxh7+ Qxh7 1-0

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.03"]
[Round "6"]
[White "Pachon, Rosmel"]
[Black "Contreras, Henry Esteban"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1600"]
[BlackElo "1792"]
[PlyCount "38"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. Ne5 Nd7 8. Nxg6 hxg6 9. Bd3 Ngf6 10. Be3 Bd6 11. Qe2 Qa5+ 12. Bd2 Qb6 13. Bc3 Nd5 14. 0-0 Qd8 15. Bd2 Qh4 16. h3 Qxd4 17. Bxg6 Bxg3 18. Qxe6+ Kd8 19. Bg5+ Kc8 1/2-1/2

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.02"]
[Round "4"]
[White "Carmona Pineda, Elkin Yesid"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1578"]
[BlackElo "1792"]
[PlyCount "56"]
[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. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 c6 5. Qc2 Bd6 6. 0-0 Nbd7 7. d4 0-0 8. b3 Re8 9. Bb2 Nf8 10. Nbd2 Ng6 11. Rfe1 e5 12. dxe5 Nxe5 13. Rad1 Qe7 14. e4 dxe4 15. Nxe4 Nxf3+ 16. Bxf3 Nxe4 17. Rxe4 Be6 18. Qc3 f6 19. Rde1 Qf7 20. Qc2 Bd7 21. Qd3 Bb4 22. Rd1 Be6 23. Rh4 Qg6 24. Be4 f5 25. Bf3 Bf7 26. Bh5 Qe6 27. Bxf7+ Qxf7 28. Rf4 Rf8 0-1

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Mena Ardila, Alexander"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1792"]
[BlackElo "1976"]
[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. c4 e6 2. g3 Nf6 3. Bg2 d5 4. d4 c6 5. Nf3 Nbd7 6. cxd5 exd5 7. 0-0 Bd6 8. Nc3 0-0 9. a3 Re8 10. b4 Ne4 11. Nxe4 dxe4 12. Ng5 Nf6 13. Qb3 Qe7 14. h4 h6 15. Nh3 Bg4 16. e3 Qd7 17. Kh2 Bf3 18. Ng1 Qg4 19. Kh1 Nh5 20. Qb2 Bxg3 21. Nxf3 exf3 22. fxg3 Nxg3+ 23. Kh2 Qxh4+ 0-1

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "2"]
[White "Rativa Jimenez, Laura Milena"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1564"]
[BlackElo "1792"]
[PlyCount "78"]
[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 d6 2. e4 g6 3. c4 Nf6 4. Nc3 c6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 Nbd7 8. h3 e5 9. dxe5 dxe5 10. Be3 Qe7 11. Qc2 Nh5 12. Rad1 Nf4 13. Qc1 Re8 14. g3 Nxe2+ 15. Nxe2 Nf6 16. Kh2 Nxe4 17. Neg1 Nc5 18. b4 Na6 19. a3 Be6 20. Ng5 Bf5 21. g4 Bc8 22. Ne4 f5 23. Nd6 Rf8 24. gxf5 Bxf5 25. c5 e4 26. Qc4+ Kh8 27. Bd4 Be5+ 28. Bxe5+ Qxe5+ 29. Kg2 Qe7 30. Qc3+ Kg8 31. Qe3 Nc7 32. Rfe1 Nd5 33. Qg3 Nf4+ 34. Kh2 Nh5 35. Qb3+ Be6 36. Qe3 Bd5 37. Rd2 Rf4 38. f3 Qe5 39. Kg2 exf3+ 0-1

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.26"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Pineda, Paul"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1807"]
[BlackElo "1810"]
[PlyCount "36"]
[EventDate "2016.05.25"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. a3 e6 7. Bd3 Ne7 8. 0-0 0-0 9. Be3 Bb7 10. Qe1 Nd7 11. Rd1 d5 12. e5 Rc8 13. Qf2 Nf5 14. b4 Nxe3 15. Qxe3 Nb6 16. g4 f5 17. exf6 Qxf6 18. Ng5 Qxd4 0-1

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.26"]
[Round "2"]
[White "Renteria, Rolando"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2089"]
[BlackElo "1807"]
[PlyCount "89"]
[EventDate "2016.05.25"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 Qa5 13. Kb1 Rfe8 14. h5 Rxc3 15. bxc3 Rc8 16. hxg6 hxg6 17. Bh6 Qxc3 18. Qxc3 Rxc3 19. Bxg7 Kxg7 20. Ne2 Rc5 21. Nf4 a5 22. Rd4 Nc6 23. Rc4 Rb5 24. Kc1 Rg5 25. Rh2 Be8 26. Rc3 Nd7 27. Nd5 Nc5 28. Bc4 e6 29. Nc7 Bd7 30. Nb5 d5 31. f4 d4 32. fxg5 dxc3 33. Nxc3 Nd4 34. Kd2 b5 35. Bd3 Bc6 36. Rh4 e5 37. Nd5 Nce6 38. Rg4 Bd7 39. Nf6 Bc6 40. Nd5 Bd7 41. Rg3 b4 42. Ke3 Nc5 43. Nf6 Bc6 44. Ng4 a4 45. Nxe5 1-0

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.25"]
[Round "1"]
[White "Contreras, Henry Esteban"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1807"]
[BlackElo "2197"]
[PlyCount "44"]
[EventDate "2016.05.25"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Bc5 6. e5 d5 7. exf6 dxc4 8. fxg7 Rg8 9. Ng5 Qd5 10. Qh5 Bf5 11. Qh6 Qd6 12. Qh4 Rd8 13. Bf4 Qd5 14. Qh6 Bxc2 15. h3 Bf5 16. Nd2 Bd6 17. Bxd6 Rxd6 18. Qh4 Rd8 19. Qh6 Rd6 20. Qh4 d3 21. a3 Nd4 22. Ngf3 Ne2+ 0-1

[Event "COL-ch Amateur"]
[Site "Villavicencio"]
[Date "2015.02.20"]
[Round "5"]
[White "Contreras, Henry Esteban"]
[Black "Beltran Rodriguez, Jeisson Camil"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1807"]
[BlackElo "1623"]
[PlyCount "70"]
[EventDate "2015.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Be7 5. g3 c5 6. Bg2 Qc7 7. 0-0 0-0 8. Re1 Nc6 9. Nf1 Rd8 10. e5 Nd7 11. Bf4 Nf8 12. Qe2 Ng6 13. Bd2 f6 14. exf6 Bxf6 15. c3 b6 16. h4 e5 17. h5 Nf8 18. h6 Ng6 19. N1h2 Ba6 20. c4 e4 21. Ng5 Nd4 22. Qh5 Bxg5 23. Bxg5 Re8 24. Rac1 Bb7 25. hxg7 Qxg7 26. Ng4 Rf8 27. Bh6 Qe7 28. Bxf8 Rxf8 29. Nh6+ Kg7 30. cxd5 Bxd5 31. dxe4 Be6 32. Nf5+ Nxf5 33. exf5 Rxf5 34. Qxf5 Bxf5 35. Rxe7+ Nxe7 1-0

[Event "COL-ch Amateur"]
[Site "Villavicencio"]
[Date "2015.02.19"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Quilindo Victoria, Jesus Eddit"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1807"]
[PlyCount "77"]
[EventDate "2015.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 e6 2. d3 Nf6 3. Nf3 d5 4. Nbd2 dxe4 5. dxe4 Nc6 6. g3 a6 7. Bg2 e5 8. 0-0 Bg4 9. c3 Bd6 10. Qb3 Rb8 11. Re1 Be6 12. Qd1 h6 13. Qe2 Bc5 14. h3 Nh5 15. Kh2 Nf6 16. b4 Be7 17. Bb2 0-0 18. a3 Nh7 19. Rad1 Qc8 20. c4 Ng5 21. h4 Nxf3+ 22. Bxf3 Bf6 23. c5 Rd8 24. Nc4 Bxc4 25. Qxc4 Qe6 26. Qxe6 fxe6 27. Bg4 Kf7 28. Rxd8 Rxd8 29. Rd1 Nd4 30. Rd3 g6 31. Kg2 h5 32. Bd1 Ke7 33. Kf1 Rh8 34. Ke1 Rd8 35. Kd2 b5 36. Bc1 Rg8 37. Kc3 Kd7 38. Be3 Kc6 39. f4 1-0

[Event "COL-ch Amateur"]
[Site "Villavicencio"]
[Date "2015.02.19"]
[Round "4"]
[White "Delavalle, Jose Francisco"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1918"]
[BlackElo "1807"]
[PlyCount "57"]
[EventDate "2015.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Nf6 5. d5 d6 6. e4 e6 7. Nc3 exd5 8. exd5 Be7 9. Bd3 0-0 10. a4 Re8 11. Nge2 b6 12. 0-0 Bb7 13. Bc4 a6 14. Ng3 Bf8 15. Qd2 Nbd7 16. Rae1 Ne5 17. Bxe5 dxe5 18. Rd1 g6 19. Nce4 Bg7 20. Nxf6+ Bxf6 21. Ne4 Bg7 22. c3 h6 23. d6 Qd7 24. a5 Bxe4 25. fxe4 b5 26. Rxf7 Qxf7 27. Bxf7+ Kxf7 28. Qd5+ Kf8 29. Rf1+ 1-0

[Event "COL-ch Amateur"]
[Site "Villavicencio"]
[Date "2015.02.18"]
[Round "2"]
[White "Mina Grueso, Joni Fernando"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "1600"]
[BlackElo "1807"]
[PlyCount "48"]
[EventDate "2015.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Bb3 Nc6 9. h3 Nxd4 10. Qxd4 Be6 11. Bxe6 fxe6 12. Qd3 Rc8 13. Nb5 a6 14. Nd4 Qd7 15. f4 Rc7 16. f5 Rfc8 17. c3 e5 18. Ne6 Rc4 19. Bg5 Nxe4 20. Qd5 Qc6 21. Qxc6 bxc6 22. Bxe7 Re8 23. Nc7 Rxe7 24. Nxa6 c5 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "5"]
[White "Contreras Acevedo, Andrea Julia"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "B76"]
[BlackElo "1800"]
[PlyCount "72"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. g4 Rfc8 13. Bd3 Qa5 14. b3 Nxe4 15. Nxe4 Qxd2 16. Rxd2 Bxd4 17. h4 Bg7 18. h5 a5 19. hxg6 hxg6 20. Ng5 Rc3 21. Nxe6 fxe6 22. Bxg6 Rxf3 23. Be4 Rf4 24. Bxb7 Rb8 25. Bc6 Rxg4 26. a4 Rf8 27. Bd7 Rg6 28. Re2 Be5 29. c4 Rf3 30. Ka2 Kf7 31. c5 Rgg3 32. c6 Rxb3 33. Rf2+ Kg7 34. Rhf1 Ra3+ 35. Kb1 Rh3 36. Kc2 Ra2+ 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "6"]
[White "Mena, Yamil Octavio"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "2026"]
[BlackElo "1800"]
[PlyCount "83"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 e5 7. d5 a5 8. Qd2 0-0 9. g4 Kh8 10. h4 h5 11. 0-0-0 b6 12. Be2 Kh7 13. Nh3 Rh8 14. gxh5 Nxh5 15. Rdg1 Ndf6 16. Ng5+ Kg8 17. Bf1 Bd7 18. Bh3 Bxh3 19. Rxh3 Qd7 20. Qg2 a4 21. a3 Kf8 22. Kb1 Ra5 23. Rh2 Ra8 24. Nb5 Ra5 25. Rc1 Ra8 26. Qf2 Ra6 27. Rg1 Ke8 28. Qg2 Kf8 29. Rhh1 Ke8 30. Rf1 Ra8 31. f4 exf4 32. Bxf4 Kd8 33. e5 Nxf4 34. Rxf4 dxe5 35. Rf2 Rh5 36. Ka2 e4 37. Rhf1 Rxh4 38. Rxf6 Rg4 39. Nxf7+ Kc8 40. Qf2 Bxf6 41. Qxf6 Kb8 42. Ne5 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "4"]
[White "Contreras, Henry Esteban"]
[Black "Molina Mojica, Angel Valentin"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1800"]
[PlyCount "94"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 0-0 11. g4 b5 12. h4 Be6 13. h5 Rc8 14. hxg6 fxg6 15. Kb1 Qa5 16. Nd5 Qxd2 17. Nxf6+ Bxf6 18. Rxd2 Bxd4 19. Rxd4 Rxf3 20. Rg1 Rcf8 21. Bd3 Rf2 22. a4 Bd7 23. axb5 axb5 24. Rb4 Kg7 25. b3 R2f4 26. g5 d5 27. Kb2 e5 28. Ra1 dxe4 29. Bxb5 Bxb5 30. Rxb5 R4f5 31. Re1 Rxg5 32. Rxe4 Re8 33. c4 Kf6 34. c5 Kf5 35. Re1 Rg2+ 36. Kc3 Ra2 37. Kc4 Raa8 38. c6 h5 39. Rd5 h4 40. b4 g5 41. b5 g4 42. b6 g3 43. c7 Rac8 44. Red1 g2 45. Kb5 h3 46. Ra1 h2 47. Rdd1 Rg8 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "3"]
[White "Franco Valencia, Angela Maria"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2202"]
[BlackElo "1800"]
[PlyCount "47"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Nbd7 9. Kh1 a6 10. h3 Rb8 11. Bg5 Qb6 12. Rb1 Re8 13. Nb3 Qa7 14. Be3 b6 15. Bd4 Nc5 16. e5 Nfd7 17. exd6 e5 18. Be3 Bb7 19. Nd5 Qa8 20. Kh2 Qa7 21. Nxc5 bxc5 22. b4 Rbc8 23. bxc5 Nxc5 24. Rxb7 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.10"]
[Round "1"]
[White "Almanza, Rafael Andres"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2174"]
[BlackElo "1800"]
[PlyCount "89"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. b3 Bd7 11. a3 Qe8 12. Nd2 Nh7 13. f3 f5 14. 0-0 Nf6 15. Qc2 g5 16. Bf2 Qg6 17. exf5 Bxf5 18. Nde4 Nxe4 19. fxe4 Bd7 20. Qb2 c5 21. dxc6 Bxc6 22. b4 Bxe4 23. Nxe4 Qxe4 24. Bf3 Rxf3 25. gxf3 Qxc4 26. Rac1 Qb5 27. Rfd1 d5 28. Qa2 Rd8 29. Bc5 Nc7 30. a4 Qa6 31. bxa5 Qxa5 32. Qb3 b5 33. axb5 Qxb5 34. Qe3 Ne6 35. Be7 Ra8 36. Bd6 Nf8 37. Rd2 Re8 38. Ba3 d4 39. Qe4 d3 40. Kh1 Kh8 41. Rb2 Qd7 42. Bb4 Qh3 43. Rf2 Nd7 44. Qg6 Rg8 45. Rd2 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.10"]
[Round "2"]
[White "Contreras, Henry Esteban"]
[Black "Acuna Buitrago, Camilo Andres"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "1800"]
[BlackElo "2070"]
[PlyCount "42"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Be2 h6 11. Bxf6 Bxf6 12. f5 Ne5 13. Qh5 0-0 14. h4 Qc5 15. Nb3 Qe3+ 16. Kb1 g6 17. fxg6 fxg6 18. Rd3 Qxd3 19. Qxh6 Qg3 20. Bf3 Bg7 21. Qd2 Nxf3 0-1

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.07"]
[Round "2"]
[White "Perez Pineda, Elkin Dario"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2156"]
[BlackElo "1801"]
[PlyCount "43"]
[EventDate "2013.06.07"]
[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 d6 3. c3 Nc6 4. h3 Qa5 5. a4 Nf6 6. Bd3 g5 7. Na3 g4 8. hxg4 Bxg4 9. Nc4 Qc7 10. Ne3 Bh5 11. Nd5 Nxd5 12. exd5 Bxf3 13. Qxf3 Ne5 14. Bb5+ Kd8 15. Qe4 Qc8 16. d4 f5 17. Qe2 cxd4 18. cxd4 Ng4 19. Bd2 Qc7 20. Rc1 Qb6 21. Qe6 Nf6 22. Bg5 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.15"]
[Round "6"]
[White "Hernandez, Cristian Andres"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B79"]
[WhiteElo "2120"]
[BlackElo "1808"]
[PlyCount "49"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. g4 Qa5 13. Kb1 Rxc3 14. Qxc3 Qxc3 15. bxc3 Rc8 16. Bc1 Rxc3 17. Bb2 Rc7 18. h3 a5 19. f4 Nc4 20. Bxc4 Rxc4 21. Rhe1 Ba4 22. e5 dxe5 23. fxe5 Nd5 24. Nb3 e6 25. Rd4 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.14"]
[Round "4"]
[White "Barros Rivadeneira, Cristhian"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B73"]
[WhiteElo "2238"]
[BlackElo "1808"]
[PlyCount "81"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. 0-0 Nc6 9. f4 Qb6 10. Na4 Qa5 11. Nc3 Qb6 12. Qd3 Qxb2 13. Rab1 Qa3 14. Nxc6 bxc6 15. Nd5 Qxd3 16. Nxe7+ Kh8 17. cxd3 Bd7 18. Rfc1 c5 19. e5 dxe5 20. fxe5 Ng4 21. Bxc5 Nxe5 22. d4 Ng4 23. Rb7 Bf5 24. Nxf5 gxf5 25. h3 Nh6 26. Bxf8 Bxd4+ 27. Kf1 Rxf8 28. Rbc7 f4 29. Rc8 Kg7 30. Rxf8 Kxf8 31. Rc8+ Kg7 32. Bd3 Bb6 33. Ke2 Ng8 34. Kf3 Be3 35. g3 Ne7 36. Re8 Ng6 37. gxf4 Bc1 38. f5 Nf4 39. Bf1 Nh5 40. Bc4 Kf6 41. Rf8 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.14"]
[Round "5"]
[White "Contreras, Henry Esteban"]
[Black "Trujillo Urriago, Karen Jo"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1808"]
[BlackElo "1609"]
[PlyCount "55"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 c5 7. Qd1 Be6 8. Be3 Nf6 9. Bb5+ Bd7 10. Bc4 Qe7 11. f3 a6 12. a4 h6 13. Qd2 Rb8 14. a5 Be6 15. Nd5 Bxd5 16. Bxd5 Nxd5 17. Qxd5 Qe5 18. 0-0-0 Qxd5 19. Rxd5 Be7 20. Rhd1 Rd8 21. Bf4 0-0 22. Bxd6 Rxd6 23. Rxd6 Bxd6 24. Rxd6 Rc8 25. Rd7 Rb8 26. Rc7 b5 27. axb6 Rxb6 28. Rxc5 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.13"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Pena, Alcides"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1808"]
[PlyCount "55"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Ne4 7. Bc4 Nc5 8. 0-0 Be7 9. Nc3 0-0 10. Qh5 d5 11. exd6 cxd6 12. b4 Ne6 13. Rb1 d5 14. Bd3 g6 15. Qf3 Bf6 16. Ne2 Bg7 17. c4 Rb8 18. Ba3 Re8 19. h3 Ng5 20. Qg3 Rb7 21. c5 Ne4 22. Bxe4 Rxe4 23. Nc3 Re6 24. Bc1 Rbe7 25. Bf4 Ba6 26. Rfc1 Bc4 27. Bd6 Re8 28. a4 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.12"]
[Round "1"]
[White "Contreras, Henry Esteban"]
[Black "Cabiativa, Jose Rene"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1808"]
[PlyCount "37"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. g3 Nb6 9. Bg2 g6 10. 0-0 Bg7 11. Re1 0-0 12. h4 h5 13. Bg5 Qc5 14. Qd3 Re8 15. Nc3 Bb7 16. Bf6 Nc4 17. Ne4 Qb4 18. a3 Qb5 19. f4 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.12"]
[Round "2"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "2363"]
[BlackElo "1808"]
[PlyCount "59"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 Ng4 8. Bb5+ Kf8 9. Bg5 h6 10. Bh4 Qb6 11. Bxe7+ Kg8 12. Nce2 a6 13. Ba4 g5 14. h3 Nxf2 15. Kxf2 Qc7 16. Bxd6 Qxd6 17. Rf1 Qh2 18. Qd3 Nd7 19. Bb3 Qc7 20. Kg1 Ne5 21. Qg3 Qc5 22. Kh1 Nc4 23. Qf2 Qc7 24. Ng3 h5 25. Rad1 Be5 26. Ngf5 Kh7 27. Qe2 b5 28. Qxh5+ Kg8 29. Qxg5+ Kf8 30. Nxb5 1-0

[Event "Bogota Humana op"]
[Site "Bogota"]
[Date "2012.12.08"]
[Round "7"]
[White "Contreras, Henry Esteban"]
[Black "Pulido Ardila, Lilian Vanessa"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1808"]
[BlackElo "1717"]
[PlyCount "73"]
[EventDate "2012.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Ne7 6. Bc4 d6 7. 0-0 Be6 8. Bxe6 fxe6 9. Bg5 Nc6 10. Qe3 Be7 11. Bxe7 Qxe7 12. Nd2 0-0 13. f4 d5 14. c3 Rad8 15. Nf3 Qf6 16. g3 Qg6 17. e5 a6 18. Nd4 Nxd4 19. cxd4 c6 20. Rac1 Qg4 21. Qf3 Qxf3 22. Rxf3 Kf7 23. g4 g6 24. Rcf1 Ke7 25. a4 h5 26. h3 hxg4 27. hxg4 Rc8 28. b4 b6 29. Rc3 b5 30. a5 Kd8 31. Kg2 Ke7 32. Rh3 Rh8 33. Rfh1 Rhf8 34. Rh7+ Rf7 35. Rxf7+ Kxf7 36. Rh7+ Kg8 37. Ra7 1-0

[Event "Bogota Humana op"]
[Site "Bogota"]
[Date "2012.12.07"]
[Round "5"]
[White "Vargas, Ricardo"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1600"]
[BlackElo "1808"]
[PlyCount "32"]
[EventDate "2012.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Ng4 8. Bg5 0-0 9. Bh6 Nc6 10. Bxg7 Kxg7 11. h3 Nf6 12. b4 Bd7 13. a3 Rc8 14. b5 Nxd4 15. Qxd4 Qc7 16. Kd2 Qa5 0-1

[Event "Bogota Humana op"]
[Site "Bogota"]
[Date "2012.12.06"]
[Round "2"]
[White "Contreras, Henry Esteban"]
[Black "Cordova, Emilio"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1808"]
[BlackElo "2568"]
[PlyCount "39"]
[EventDate "2012.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Nc6 6. Qe2 Nf6 7. c3 0-0 8. Ngf3 a5 9. a4 Bxc5 10. e5 Ng4 11. 0-0 f6 12. exf6 Nxf6 13. Nb3 Bd6 14. Nbd4 Qe8 15. Re1 e5 16. Nxc6 e4 17. Ncd4 Qh5 18. h3 exd3 19. Qxd3 Ne4 20. Qb5 0-1

[Event "Bogota Humana op"]
[Site "Bogota"]
[Date "2012.12.06"]
[Round "2"]
[White "Contreras, Henry Esteban"]
[Black "Rosero, Hugo Alberto"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1808"]
[BlackElo "1649"]
[PlyCount "34"]
[EventDate "2012.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 Be7 9. 0-0-0 0-0 10. Qg3 Nbd7 11. Bh6 Ne8 12. h4 b5 13. h5 Bb7 14. Bxg7 Nxg7 15. h6 Bf6 16. hxg7 Bxg7 17. f5 Qa5 1-0

[Event "Bogota Humana op"]
[Site "Bogota"]
[Date "2012.12.05"]
[Round "1"]
[White "Zabala, Fidel"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1984"]
[BlackElo "1808"]
[PlyCount "43"]
[EventDate "2012.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Be3 Nxe4 6. Bd3 Nc5 7. Be2 g6 8. h4 Bg7 9. h5 Qa5+ 10. c3 Qc7 11. Nd2 Nc6 12. Nb5 Qd8 13. Nc4 Ne4 14. hxg6 hxg6 15. Rxh8+ Bxh8 16. Qd5 Nf6 17. Nbxd6+ Kd7 18. Qxf7 Qg8 19. Bg4+ Kd8 20. Qxg8+ Nxg8 21. Bxc8 Rxc8 22. Nf7+ 1-0

[Event "Bogota op 10"]
[Site "Bogota"]
[Date "2012.10.18"]
[Round "8"]
[White "Pinzon, Jairo David"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2223"]
[BlackElo "1831"]
[PlyCount "58"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 h6 9. Bxf6 gxf6 10. 0-0-0 Qa5 11. Kb1 0-0-0 12. Nd5 Qc5 13. Qd2 Kb8 14. Rhe1 h5 15. Nb4 Bb5 16. Nd3 Qb6 17. Qb4 Rc8 18. Qd4 Qa5 19. Nd2 Qc7 20. c3 a5 21. f4 a4 22. Rc1 Bh6 23. c4 Bd7 24. g3 Qa5 25. Rc2 Rc7 26. Rec1 Rhc8 27. c5 dxc5 28. Nxc5 Bc6 29. Nc4 Qb4 1-0

[Event "Bogota op 10"]
[Site "Bogota"]
[Date "2012.10.17"]
[Round "7"]
[White "Rosero, Hugo Alberto"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1636"]
[BlackElo "1831"]
[PlyCount "63"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. Qe2 Re8 13. g4 Qa5 14. h4 Nfxg4 15. h5 Nxe3 16. Qxe3 Nc4 17. Bxc4 Rxc4 18. hxg6 hxg6 19. f4 Rec8 20. Rd3 Qc5 21. Rhd1 Bg4 22. R1d2 Qh5 23. b3 Bxd4 24. Rxd4 Rxc3 25. Qg1 Bf3 26. f5 Qh1 27. Qxh1 Bxh1 28. fxg6 fxg6 29. Kb2 Re3 30. e5 Rxe5 31. Rh2 Be4 32. a4 0-1

[Event "Bogota op 10"]
[Site "Bogota"]
[Date "2012.10.16"]
[Round "6"]
[White "Contreras, Henry Esteban"]
[Black "Salcedo, Jackeline"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1831"]
[BlackElo "1963"]
[PlyCount "63"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. h4 h6 7. f4 Nd7 8. Be3 Bb4 9. a3 Be7 10. Nf3 a6 11. Bd3 Bxd3 12. Qxd3 Nb6 13. Nd2 Bxh4+ 14. Ke2 Be7 15. g5 g6 16. gxh6 Rxh6 17. Rxh6 Nxh6 18. Rh1 Nf5 19. Rh8+ Bf8 20. a4 Qe7 21. b3 0-0-0 22. a5 Nd7 23. Rh7 Bg7 24. Na4 Rh8 25. Rxh8+ Bxh8 26. Nf3 f6 27. exf6 Bxf6 28. Ne5 Bxe5 29. dxe5 Qh4 30. Kd2 d4 31. Bxd4 Qxf4+ 32. Kc3 0-1

[Event "Bogota op 10"]
[Site "Bogota"]
[Date "2012.10.15"]
[Round "5"]
[White "Lopez, Jorge Mario"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2012"]
[BlackElo "1831"]
[PlyCount "35"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Qa5 3. Nf3 Nc6 4. Bc4 e6 5. 0-0 b5 6. Bb3 Bb7 7. d4 c4 8. Bc2 Nf6 9. Re1 Qc7 10. Nbd2 h5 11. a4 a6 12. axb5 axb5 13. Rxa8+ Bxa8 14. b3 Na5 15. bxc4 Nxc4 16. Nb3 Be7 17. d5 h4 18. h3 1-0

[Event "Bogota op 10"]
[Site "Bogota"]
[Date "2012.10.13"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Piraquive, Alberto"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1831"]
[BlackElo "2002"]
[PlyCount "69"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. Nc3 Nc6 5. Bb5 e6 6. f4 a6 7. Bxc6+ bxc6 8. Nf3 cxd4 9. Nxd4 c5 10. Nf3 Ne7 11. 0-0 Nf5 12. Qe2 Be7 13. Nd1 Bd7 14. a4 0-0 15. Nf2 Qb6 16. Kh1 Bc6 17. b3 Rfd8 18. a5 Qb7 19. Ba3 d4 20. Nd3 Ne3 21. Rfb1 Rac8 22. Nde1 Nd5 23. Qd2 Nc3 24. Rc1 Ne4 25. Qe2 Bb5 26. Nd3 h6 27. Re1 Nc3 28. Qd2 Ne4 29. Qe2 Nc3 30. Qd2 Nd5 31. Bc1 c4 32. bxc4 Rxc4 33. Ba3 Rdc8 34. Rec1 Bxa3 35. Rxa3 0-1

[Event "Bogota op 10"]
[Site "Bogota"]
[Date "2012.10.12"]
[Round "2"]
[White "Lopez Lerma, Juan Camilo"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1831"]
[PlyCount "52"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. a3 b6 4. Nf3 Bb7 5. Nbd2 Be7 6. Be2 0-0 7. 0-0 Ne4 8. b4 f5 9. Bb2 Bf6 10. h3 Qe8 11. Nxe4 Bxe4 12. Nd2 Bb7 13. Bf3 Bxf3 14. Nxf3 c5 15. b5 g5 16. Ne5 d6 17. Nc4 d5 18. Ne5 Qxb5 19. Rb1 Qe8 20. Qe2 Nd7 21. c4 Bxe5 22. dxe5 Qg6 23. cxd5 exd5 24. f4 Qe6 25. Rbd1 gxf4 26. exf4 d4 0-1

[Event "Bogota op 10"]
[Site "Bogota"]
[Date "2012.10.11"]
[Round "1"]
[White "Contreras, Henry Esteban"]
[Black "Nunez V, Gustavo Eduardo"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1831"]
[BlackElo "2234"]
[PlyCount "52"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. a4 b6 6. Nf3 c5 7. Bc4 cxd4 8. Nxd4 Nf6 9. 0-0 0-0 10. f5 Bb7 11. fxg6 hxg6 12. Bd5 Qc7 13. Kh1 Nbd7 14. Nb3 Rac8 15. Bxb7 Qxb7 16. Qd3 Ne5 17. Qd4 Rc4 18. Qf2 Nxe4 19. Nxe4 Rxe4 20. c3 Nd3 21. Qf3 Nxc1 22. Nd2 d5 23. Nxe4 dxe4 24. Qg4 Nd3 25. Rad1 Qc6 26. h4 f5 0-1

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.08"]
[Round "9"]
[White "Contreras, Henry Esteban"]
[Black "Nope, Tatiana"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1879"]
[BlackElo "1673"]
[PlyCount "18"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 cxd4 7. cxd4 Nc6 8. Ne2 Be7 9. Nf4 Nxd4 0-1

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.08"]
[Round "8"]
[White "Jaramillo Ochoa, Mateo"]
[Black "Contreras, Henry Esteban"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1963"]
[BlackElo "1879"]
[PlyCount "55"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. f4 Qc7 9. Kh1 b5 10. Bf3 Bb7 11. Qe1 b4 12. Nd1 Nc6 13. c3 bxc3 14. Nxc6 cxb2 15. Bxb2 Bxc6 16. Rc1 Qb7 17. Qg3 Bxe4 18. Bxe4 Qxe4 19. Bxf6 Bxf6 20. Re1 Qb4 21. Ne3 0-0 22. Ng4 Qb2 23. Rb1 Qd4 24. Re4 Rfb8 25. Rbe1 Qc3 26. R4e3 Qb2 27. R3e2 Qc3 28. Re3 1/2-1/2

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.07"]
[Round "7"]
[White "Contreras, Henry Esteban"]
[Black "Garzon, Laura Viviana"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1879"]
[BlackElo "1646"]
[PlyCount "127"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 d6 7. Qe2 Qe7 8. f3 Bd7 9. Be3 Bxe3 10. Qxe3 Nf6 11. g4 Be6 12. h4 Nd7 13. Nb5 Nde5 14. 0-0-0 Nc4 15. Bxc4 Bxc4 16. N3d4 Qd7 17. Nxc6 Qxc6 18. Nd4 Qa6 19. b3 Bb5 20. Qg5 Bd7 21. Qxg7 0-0-0 22. Kb2 Be6 23. Nxe6 fxe6 24. e5 d5 25. Rhf1 Qe2 26. Rde1 Qh2 27. h5 Qf4 28. Qf6 Qd4+ 29. Kb1 Rde8 30. Qg5 h6 31. Qe3 Qxe3 32. Rxe3 Ref8 33. f4 Rhg8 34. Rg3 Kd7 35. Kb2 c5 36. Kc3 b5 37. Kd3 Kc6 38. Ke3 Kd7 39. Rfg1 Rh8 40. c4 d4+ 41. Ke4 b4 42. f5 Rf7 43. f6 Rfh7 44. Rh1 Rg8 45. Kf4 Rg5 46. Ke4 Ke8 47. Ra1 a5 48. a3 Rc7 49. axb4 axb4 50. Ra6 Kf7 51. Ra8 Rg8 52. Rxg8 Kxg8 53. g5 hxg5 54. Rxg5+ Kh7 55. Rg3 Rf7 56. Rg2 Ra7 57. Rf2 Kg8 58. h6 Kf8 59. Rg2 Rh7 60. Rg7 Rxg7 61. hxg7+ Kf7 62. Kf4 Kg8 63. Kg4 Kf7 64. Kg5 1-0

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.06"]
[Round "5"]
[White "Contreras, Henry Esteban"]
[Black "Ardila, Oscar Humberto"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1879"]
[PlyCount "56"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. Nc3 c6 10. 0-0-0 0-0 11. Ne4 Nbd7 12. Bf4 d5 13. Ng3 Re8 14. Rhe1 Nf8 15. Nd4 Bc5 16. Be3 Ng4 17. Bxg4 Bxg4 18. f3 Rxe3 19. Rxe3 Bxd4 20. Re7 Bd7 21. Rde1 Bf6 22. R7e2 g6 23. Nf1 Ne6 24. c3 d4 25. g3 dxc3 26. bxc3 Bxc3 27. Rd1 c5 28. f4 Ba4 0-1

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.06"]
[Round "6"]
[White "Montenegro Torres, Carlos"]
[Black "Contreras, Henry Esteban"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2161"]
[BlackElo "1879"]
[PlyCount "53"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. d3 c5 4. Nf3 Nc6 5. 0-0 f6 6. c3 Be6 7. a3 Qd7 8. b4 d4 9. bxc5 Bxc5 10. Bb2 Rd8 11. Nbd2 dxc3 12. Bxc3 Nh6 13. Ne4 Be7 14. Qb1 0-0 15. Qb2 Nf7 16. Rfc1 b6 17. Bb4 Nxb4 18. axb4 f5 19. Nc3 Rc8 20. Ne1 Bf6 21. e3 g5 22. b5 Rc7 23. Nd5 Bxd5 24. Rxc7 Qxc7 25. Bxd5 Re8 26. Rc1 Qe7 27. Qa2 1/2-1/2

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.05"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Mercado, Luisa Fernanda"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1879"]
[BlackElo "2075"]
[PlyCount "66"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nd7 8. Qd2 0-0 9. 0-0-0 Nc5 10. Be2 Qe8 11. Rdg1 Qa4 12. Kb1 Be6 13. a3 Ne4 14. Qe1 c5 15. Nd2 Nxd2+ 16. Qxd2 b5 17. Qc1 Rfc8 18. Bg5 Bxg5 19. Qxg5 b4 20. Qf4 Rab8 21. Bg4 Bxg4 22. Qxg4 Qc6 23. axb4 cxb4 24. c4 d5 25. Rd1 dxc4 26. Rd4 b3 27. Rc1 Qa6 28. Rcd1 c3 29. Ra4 bxc2+ 30. Kxc2 cxb2+ 31. Kb1 Rc1+ 32. Rxc1 Qd3+ 33. Rc2 Qf1+ 0-1

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.05"]
[Round "4"]
[White "Ordinola Capcha, Juan"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2045"]
[BlackElo "1879"]
[PlyCount "75"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nf3 h6 4. Bh4 Be7 5. e3 b6 6. c4 Bb7 7. Nc3 Ne4 8. Bxe7 Qxe7 9. Bd3 Nxc3 10. bxc3 f5 11. 0-0 d6 12. a4 a5 13. Nd2 0-0 14. Qh5 Qf6 15. f4 Nd7 16. Rae1 Qf7 17. Qe2 Bc6 18. Bc2 Nf6 19. e4 d5 20. exf5 exf5 21. Bxf5 Rae8 22. Be6 Rxe6 23. Qxe6 Qxe6 24. Rxe6 Bxa4 25. Ra1 Bc2 26. Rc6 Rf7 27. c5 bxc5 28. Rxa5 c4 29. Ra8+ Kh7 30. Re6 Ng4 31. g3 Bf5 32. Ree8 Bd7 33. Rh8+ Kg6 34. h3 Ne3 35. Nf3 Re7 36. g4 Nd1 37. Raf8 Nxc3 38. Nh4# 1-0

[Event "Bogota Semana Santa op"]
[Site "Bogota"]
[Date "2012.04.04"]
[Round "2"]
[White "Gomez Garrido, Camilo Ernesto"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2515"]
[BlackElo "1879"]
[PlyCount "41"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 g5 10. fxg5 Nfd7 11. Nxe6 fxe6 12. Qh5+ Kf8 13. Bb5 Rh7 14. 0-0+ Kg8 15. g6 Rg7 16. Rf7 Bg5 17. Bxd7 Nxd7 18. Raf1 Rxf7 19. gxf7+ Kf8 20. Qg6 Be3+ 21. Kh1 1-0

[Event "Bogota Univ Central op-A 5th"]
[Site "Bogota"]
[Date "2011.10.14"]
[Round "2.1"]
[White "Ortegon Villacorte, Linda Daniela"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1775"]
[BlackElo "1874"]
[PlyCount "85"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Bc4 Nf6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 Nd4 8. Qd1 a6 9. a4 e6 10. d3 Be7 11. 0-0 0-0 12. Be3 d5 13. Ba2 b5 14. exd5 b4 15. d6 Qxd6 16. Ne4 Nxe4 17. dxe4 Qc6 18. Bxd4 cxd4 19. Qd3 Rfc8 20. f5 e5 21. Bd5 Qc5 22. Bxa8 Rxa8 23. Rf2 a5 24. Raf1 Bg5 25. Re2 Qc6 26. b3 Rc8 27. Rf3 Qb6 28. Kh1 Rc3 29. Qd1 Rc6 30. Qf1 Qc7 31. Ref2 Rxc2 32. Rxc2 Qxc2 33. Qb5 h6 34. Qe8+ Kh7 35. Qxf7 Qc1+ 36. Kh2 Bf4+ 37. g3 Qd2+ 38. Kh1 Qe1+ 39. Kg2 Qe2+ 40. Rf2 Qxe4+ 41. Kh2 Bxg3+ 42. Kxg3 Qe3+ 43. Kg2 0-1

[Event "Bogota Univ Central op-A 5th"]
[Site "Bogota"]
[Date "2011.10.13"]
[Round "1.1"]
[White "Contreras, Henry Esteban"]
[Black "Becerra, Juan David"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "1874"]
[BlackElo "2268"]
[PlyCount "20"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bg5 Be7 8. f4 h6 9. Bh4 Nxe4 10. Nxe6 Bxh4+ 0-1

[Event "Bogota Mayores Distrital op 07"]
[Site "Bogota"]
[Date "2011.07.24"]
[Round "6"]
[White "Contreras, Henry Esteban"]
[Black "Casallas Abril, Dario Hernan"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1918"]
[BlackElo "2006"]
[PlyCount "42"]
[EventDate "2011.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bc4 Nxe4 7. Qe2 Ndf6 8. 0-0 Be7 9. b3 0-0 10. Bb2 a6 11. Bd3 Nd6 12. Ng5 h6 13. h4 Nd5 14. Qf3 Bxg5 15. hxg5 Qxg5 16. c4 Nb4 17. Be2 Nf5 18. Bc1 Qg6 19. Be3 Nc2 20. Rad1 Ncxe3 21. fxe3 Qg5 0-1

[Event "Bogota Mayores Distrital op 07"]
[Site "Bogota"]
[Date "2011.07.23"]
[Round "5"]
[White "Romo Bucheli, David"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2036"]
[BlackElo "1918"]
[PlyCount "49"]
[EventDate "2011.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 Nb6 4. c4 d6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. Be2 Nc6 10. b3 Bf5 11. Nf3 Rc8 12. 0-0 d5 13. c5 Na8 14. Nh4 Nc7 15. Nxf5 gxf5 16. Nb5 Ne6 17. Qd3 f4 18. Qf5 fxe3 19. Bd3 Re8 20. fxe3 f6 21. Qxe6+ Kh8 22. Rf3 h6 23. Qf5 Kg8 24. Qh7+ Kf7 25. Qg6+ 1-0

[Event "Bogota Mayores Distrital op 07"]
[Site "Bogota"]
[Date "2011.07.22"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Paez, Sussi Brigitte"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1918"]
[PlyCount "39"]
[EventDate "2011.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Qf6 5. 0-0 a6 6. Ng5 d5 7. Bxd5 Bc5+ 8. Kh1 h6 9. Nxf7 Rh7 10. fxe5 Qg6 11. Nh8 Qg5 12. d4 Qxc1 13. Qh5+ Kd7 14. Rxc1 Rxh8 15. dxc5 Nge7 16. Rd1 g6 17. Bf7+ Nd4 18. Rxd4+ Kc6 19. Qf3 Kxc5 20. Qc3+ 1-0

[Event "Bogota Mayores Distrital op 07"]
[Site "Bogota"]
[Date "2011.07.20"]
[Round "1"]
[White "Contreras, Henry Esteban"]
[Black "Rodriguez Mayorga, Julian E"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "1918"]
[BlackElo "2081"]
[PlyCount "53"]
[EventDate "2011.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Qxd4 Bd7 11. b3 a6 12. Bb2 Qxd4 13. Nxd4 Bc5 14. Nf3 0-0-0 15. Ne5 Be8 16. Rad1 Rxd1 17. Rxd1 Ne4 18. Nd3 Ba7 19. b4 Bc6 20. Bb3 Rd8 21. Kf1 b5 22. f3 Nf6 23. Ke2 Nd5 24. g3 f6 25. Ra1 e5 26. a4 Bb6 27. c4 0-1

[Event "Bogota Mayores Distrital op 07"]
[Site "Bogota"]
[Date "2011.07.20"]
[Round "2"]
[White "Rodriguez, German Andres"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1918"]
[PlyCount "31"]
[EventDate "2011.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bc4 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 Be7 7. 0-0 Rf8 8. Neg5+ Kg8 9. d4 exd4 10. Qd3 g6 11. h4 d5 12. Nxd4 Nxd4 13. Qxd4 c5 14. Qd3 Bf5 15. Qe2 Bd6 16. Re1 0-1

[Event "Bogota Distrital op"]
[Site "Bogota"]
[Date "2011.02.05"]
[Round "3"]
[White "Contreras, Henry Esteban"]
[Black "Lopez Sanchez, Javier Alberto"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1918"]
[BlackElo "1799"]
[PlyCount "110"]
[EventDate "2011.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. Nc3 c6 10. h4 h6 11. Bf4 Nbd7 12. 0-0-0 Nc5 13. Nd2 Ne6 14. Bh2 d5 15. Be5 0-0 16. g4 Re8 17. Rh2 Nd7 18. Bg3 Nd4 19. f4 Bb4 20. Re1 Nf6 21. g5 Ng4 22. Bxg4 Bxg4 23. Rxe8+ Rxe8 24. Rg2 h5 25. a3 Bd6 26. Nf1 Bxf4+ 27. Kb1 Bxg3 28. Nxg3 Re1+ 29. Ka2 Nf3 30. Re2 Rxe2 31. Ncxe2 Nxh4 32. Nf4 g6 33. d4 Nf3 34. c3 Nxg5 35. Nd3 h4 36. Nh1 Ne4 37. Ne5 Be6 38. Kb1 Kg7 39. Kc2 f6 40. Nf3 g5 41. Kd3 Kg6 42. Ke2 Bg4 43. Ke3 Bxf3 44. Kxf3 Kf5 45. a4 g4+ 46. Ke3 g3 47. Kf3 Ng5+ 48. Kg2 Kg4 49. b3 f5 50. c4 f4 51. c5 f3+ 52. Kg1 Kf4 53. b4 Ke3 54. b5 Ke2 55. b6 Nh3# 0-1

[Event "Bogota Distrital op"]
[Site "Bogota"]
[Date "2011.02.05"]
[Round "4"]
[White "Heredia, Jose"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "1918"]
[PlyCount "55"]
[EventDate "2011.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 e6 6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 Nc6 9. Nf3 Nf6 10. Bd3 0-0 11. 0-0 e5 12. c4 Qd6 13. dxe5 Qe7 14. exf6 Qxf6 15. Bg5 Qc3 16. Qc2 Qa5 17. Bxh7+ Kh8 18. Qe4 Bg4 19. Qxg4 Kxh7 20. Nh4 Rae8 21. Rfd1 Re6 22. Nf5 Rfe8 23. Bd2 Qe5 24. Ne3 Nd4 25. Bc3 Ne2+ 26. Qxe2 Qxc3 27. Qd3+ Qxd3 28. Rxd3 1-0

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.17"]
[Round "5.3"]
[White "Nunez V, Gustavo Eduardo"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2204"]
[BlackElo "1922"]
[PlyCount "29"]
[EventDate "2010.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nf3 e6 4. Nc3 Nge7 5. d4 cxd4 6. Nxd4 d5 7. exd5 exd5 8. Bg5 f6 9. cxd5 Nxd4 10. Qxd4 fxg5 11. d6 Nf5 12. Qe4+ Kf7 13. Bc4+ Kg6 14. 0-0-0 Bxd6 15. g4 1-0

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.16"]
[Round "3.8"]
[White "Contreras, Henry Esteban"]
[Black "Fajardo Murgas, Jossimar David"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "1922"]
[PlyCount "61"]
[EventDate "2010.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Be7 9. 0-0-0 Qc7 10. Be2 Nc5 11. Rhe1 b5 12. Bxf6 Bxf6 13. e5 Bb7 14. Qg3 dxe5 15. fxe5 Bxe5 16. Bxb5+ axb5 17. Qxe5 Qxe5 18. Rxe5 Nd7 19. Rxb5 Ba6 20. Rg5 0-0 21. Nxe6 fxe6 22. Rxd7 g6 23. h4 Rf5 24. Rxf5 exf5 25. Nd5 Bb5 26. Nf6+ Kf8 27. Nxh7+ Kg8 28. Nf6+ Kf8 29. Rc7 Rxa2 30. Kb1 Ra4 31. g3 1-0

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.15"]
[Round "2.10"]
[White "Contreras, Henry Esteban"]
[Black "Garcia Engels, Vladimir"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1922"]
[PlyCount "54"]
[EventDate "2010.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Qf5 Qf6 10. c3 Qxf5 11. exf5 0-0-0 12. f4 Bf6 13. Na3 h5 14. h3 Ne7 15. g4 hxg4 16. hxg4 Nd5 17. Rf3 Rh4 18. g5 Be7 19. c4 Nb6 20. b3 Rd1+ 21. Rf1 Bc5+ 22. Be3 Bxe3+ 23. Kg2 Rxa1 24. Rxa1 Rxf4 25. Re1 Bc5 26. Nb1 Rxf5 27. a3 Rxg5+ 0-1

[Event "Bogota Torneo Distrital op"]
[Site "Bogota"]
[Date "2010.05.17"]
[Round "7.10"]
[White "Contreras, Henry Esteban"]
[Black "Villamil Alarcon, Hector Orlando"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1572"]
[BlackElo "2137"]
[PlyCount "47"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c3 Nf6 5. Bf4 Bd6 6. Bxd6 Qxd6 7. Bd3 Bg4 8. Qc2 0-0 9. Nd2 Nbd7 10. f3 Rfe8+ 11. Ne2 Bh5 12. 0-0-0 a5 13. g4 Bg6 14. f4 Ne4 15. Nxe4 Bxe4 16. Bxe4 Rxe4 17. Rdf1 Rae8 18. Rf2 Rxe2 19. Rxe2 Rxe2 20. Qxe2 Qxf4+ 21. Kd1 Nf6 22. Re1 Ne4 23. Rf1 Qd6 24. Qf3 1-0

[Event "Bogota Torneo Distrital op"]
[Site "Bogota"]
[Date "2010.05.16"]
[Round "4.14"]
[White "Contreras, Henry Esteban"]
[Black "Perez Olarte, Cesar Camilo"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1572"]
[BlackElo "2179"]
[PlyCount "88"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Bg5 Be7 7. Nc3 0-0 8. Qd2 h6 9. Be3 Bb4 10. f3 d5 11. Bc5 Bxc5 12. Nxc5 d4 13. Nb5 a6 14. Na3 Qe7 15. Nd3 b5 16. c3 Be6 17. Nc2 dxc3 18. Qxc3 Rac8 19. Qd2 Rfd8 20. Qe3 Bc4 21. b3 Bxd3 22. Bxd3 Nb4 23. Nxb4 Qxb4+ 24. Kf2 Rd4 25. Rac1 Rcd8 26. Rhd1 Qa3 27. Rc2 Qd6 28. Ke2 Nh5 29. g3 g5 30. Rcd2 Ng7 31. Bb1 Ne6 32. Bd3 Qe7 33. h4 Qf6 34. hxg5 hxg5 35. Rc2 Kg7 36. Rc6 Rxd3 37. Rxd3 Rh8 38. Rcd6 Rh2+ 39. Kd1 Rxa2 40. Rd2 Ra1+ 41. Kc2 Rf1 42. R2d3 Nd4+ 43. R6xd4 exd4 44. Qe2 Qc6+ 0-1

[Event "Bogota Torneo Distrital op"]
[Site "Bogota"]
[Date "2010.05.15"]
[Round "3.20"]
[White "Zafra, James Fernando"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1822"]
[BlackElo "1572"]
[PlyCount "18"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Ng4 8. Bg5 0-0 9. 0-0-0 Nc6 0-1

[Event "Bogota Torneo Distrital op"]
[Site "Bogota"]
[Date "2010.05.14"]
[Round "1.19"]
[White "Camacho Cardenas, Miguel Alejand"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1861"]
[BlackElo "1572"]
[PlyCount "28"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Nf3 Nc6 7. Bf4 Qa5 8. Qd2 Bg7 9. Bb5 Bd7 10. Bxc6 Bxc6 11. 0-0 0-0 12. Bh6 Nxe4 13. Nxe4 Qxd2 14. Nexd2 Bxh6 0-1

[Event "Bogota Torneo Distrital op"]
[Site "Bogota"]
[Date "2010.05.14"]
[Round "1.2"]
[White "Prado Segura, Robinson Alexander"]
[Black "Contreras, Henry Esteban"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1791"]
[BlackElo "2196"]
[PlyCount "114"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 g6 5. c3 Bg7 6. g3 Rb8 7. a4 b6 8. Bg2 e6 9. 0-0 Nge7 10. Re1 0-0 11. Nf1 h6 12. h4 e5 13. N1h2 d5 14. Rb1 Be6 15. b4 cxb4 16. cxb4 b5 17. a5 Qd6 18. Bd2 f5 19. Qe2 fxe4 20. dxe4 d4 21. Bf1 Rb7 22. Rec1 Bc4 23. Rxc4 bxc4 24. Qxc4+ Kh7 25. Qa6 Qd7 26. Bh3 Nb8 27. Bxd7 Nxa6 28. Be6 Nc5 29. Bc4 Nxe4 30. Ba6 Rbb8 31. Re1 Nxd2 32. Nxd2 Rxb4 33. Ng4 Nc6 34. Nc4 d3 35. Rd1 Nb8 36. Rxd3 Nxa6 37. Ngxe5 Bxe5 38. Nxe5 Nc5 39. Rc3 Rxf2 40. Rxc5 Re2 41. Rc7+ Kg8 42. Rc8+ Kg7 43. Rc7+ Kf6 44. Rf7+ Ke6 45. Re7+ Kd5 46. Rd7+ Ke4 47. Kf1 Rh2 48. Nd3 Rb1+ 49. Ne1 Kf5 50. Re7 Kg4 51. Kg1 Ra2 52. h5 Kxh5 53. Kf1 Rxa5 54. g4+ Kxg4 55. Ke2 Rxe1+ 56. Kxe1 Ra2 57. Re4+ Kh5 0-1

[Event "Bogota Region-ch U17"]
[Site "Bogota"]
[Date "2010.04.11"]
[Round "?"]
[White "Tellez Jimenez, Santiago"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "2196"]
[PlyCount "27"]
[EventDate "2010.04.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nc6 6. Bc4 Nf6 7. e5 dxe5 8. Qxd8+ Nxd8 9. Nxe5 e6 10. 0-0 Bd6 11. Bb5+ Ke7 12. Nc4 Bc7 13. b3 a6 14. Ba3+ 1-0

[Event "Bogota Region-ch U17"]
[Site "Bogota"]
[Date "2010.04.10"]
[Round "1.4"]
[White "Contreras, Henry Esteban"]
[Black "Pardo, Javier Andres"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2196"]
[BlackElo "1997"]
[PlyCount "48"]
[EventDate "2010.04.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. h3 Qc7 6. Be3 Nc6 7. Nc3 Bb4 8. Nde2 Nf6 9. g4 Nxe4 10. Qd3 Nxc3 11. Nxc3 Ne5 12. Qe4 Bxc3+ 13. bxc3 Qxc3+ 14. Ke2 d5 15. Bd4 Qc4+ 16. Ke3 dxe4 17. Bxc4 Nxc4+ 18. Kxe4 f6 19. Rad1 Bd7 20. Rhe1 Kf7 21. Bxf6 Ba4 22. Kd3 Na3 23. Bxg7 Kxg7 24. Rd2 Rhd8+ 0-1

[Event "Bogota Region-ch U17"]
[Site "Bogota"]
[Date "2010.04.10"]
[Round "3.8"]
[White "Contreras, Henry Esteban"]
[Black "Sosa Florez, Juan Sebastian"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1918"]
[PlyCount "69"]
[EventDate "2010.04.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 e6 4. Ngf3 c5 5. exd5 exd5 6. Be2 Nf6 7. 0-0 Be7 8. c4 0-0 9. Nb3 b6 10. Qc2 Nbd7 11. Bd3 g6 12. Re1 Re8 13. Ne5 Bd6 14. Bf4 cxd4 15. Nxf7 Rxe1+ 16. Rxe1 Qf8 17. Nxd6 Ba6 18. Qe2 dxc4 19. Bxc4+ Bxc4 20. Qxc4+ Kg7 21. Qxd4 h6 22. Nd2 g5 23. Bg3 Kg8 24. h3 Qg7 25. N2e4 Ne8 26. Qxg7+ Kxg7 27. Nxe8+ Rxe8 28. f3 Rc8 29. Nc3 Nc5 30. Re7+ Kg8 31. Nd5 Rd8 32. Nf6+ Kf8 33. Rxa7 Rd1+ 34. Kh2 Nd3 35. Bd6# 1-0

[Event "Bogota Region-ch U17"]
[Site "Bogota"]
[Date "2010.04.10"]
[Round "2.6"]
[White "Puentes, Gabriel Francisco"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1860"]
[BlackElo "1918"]
[PlyCount "43"]
[EventDate "2010.04.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. g4 Qa5 12. a3 a6 13. h4 b5 14. h5 Rac8 15. hxg6 fxg6 16. Be2 b4 17. Nb1 Bb3 18. Bd3 Rxc2+ 19. Bxc2 Rc8 20. axb4 Qa1 21. Bc3 Nxe4 22. Bxb3+ 1-0

[Event "Bogota Region-ch U16"]
[Site "Bogota"]
[Date "2010.03.05"]
[Round "4.9"]
[White "Contreras, Henry Esteban"]
[Black "Buitrago, Daniel"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1918"]
[PlyCount "38"]
[EventDate "2010.03.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ d5 11. Qxb4 Re8 12. 0-0 Kg8 13. Nbd2 Bf5 14. Ne5 Rxe5 15. dxe5 c5 16. Qxb7 Nxd2 17. Rfd1 Rb8 18. Qxa7 Rxb2 19. Qxc5 Nc4 1/2-1/2

[Event "Bogota Region-ch U16"]
[Site "Bogota"]
[Date "2010.03.05"]
[Round "2.7"]
[White "Contreras, Henry Esteban"]
[Black "Moreno Lozano, Esteban"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1918"]
[PlyCount "18"]
[EventDate "2010.03.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 0-0 9. 0-0 Ne8 1/2-1/2

[Event "Bogota Region-ch U16"]
[Site "Bogota"]
[Date "2010.03.05"]
[Round "1.5"]
[White "Gomez, Juan Andres"]
[Black "Contreras, Henry Esteban"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1971"]
[BlackElo "1918"]
[PlyCount "122"]
[EventDate "2010.03.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d6 4. Bd3 Nf6 5. Bc2 g6 6. d4 cxd4 7. cxd4 e6 8. Nc3 Bg7 9. Bg5 Qb6 10. Rb1 0-0 11. 0-0 Bd7 12. h3 Rac8 13. Re1 Ne8 14. d5 Ne5 15. Be7 Qc5 16. Bxf8 Kxf8 17. Bb3 Nc7 18. Nxe5 Bxe5 19. dxe6 Nxe6 20. Nd5 Bg3 21. Rf1 Ng5 22. Rc1 Bxf2+ 23. Kh1 Qxc1 24. Qxc1 Rxc1 25. Rxc1 Nxe4 26. Rc7 Bc6 27. Nf4 Ng5 28. Nd3 Bb6 29. Rc8+ Kg7 30. Nb4 Bd7 31. Rc2 Bc6 32. Nxc6 bxc6 33. Rxc6 Bc5 34. Bd5 Kf6 35. a3 Ke5 36. Ba2 Bb6 37. Rc2 Ne6 38. Re2+ Kf5 39. g4+ Kf6 40. Rd2 Ke7 41. Kg2 Kd7 42. b4 f5 43. gxf5 gxf5 44. h4 Be3 45. Rd1 Nd4 46. Bb1 f4 47. Be4 h6 48. Bd5 Ke7 49. Rf1 Kf6 50. h5 Ke5 51. Bb7 d5 52. Kh3 f3 53. Kg3 Ke4 54. a4 Ne2+ 55. Kh2 f2 56. Kg2 Nf4+ 57. Kg3 Ne2+ 58. Kg2 Nc3 59. Ra1 Kd3 60. Kf3 Kd2 61. Kg2 Ke2 1/2-1/2

[Event "Bogota Region-ch U16"]
[Site "Bogota"]
[Date "2010.03.05"]
[Round "3.5"]
[White "Vargas, Diana Paola"]
[Black "Contreras, Henry Esteban"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1946"]
[BlackElo "1918"]
[PlyCount "47"]
[EventDate "2010.03.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d3 Nf6 2. Nf3 e6 3. g3 Nc6 4. Bg2 Be7 5. 0-0 0-0 6. Nbd2 b6 7. Re1 Bb7 8. e4 Bc5 9. c3 Re8 10. e5 Ng4 11. d4 Bf8 12. h4 d6 13. Bh3 Nh6 14. Qc2 dxe5 15. dxe5 Ne7 16. Ne4 Qd5 17. Bxh6 Nf5 18. Bxf5 exf5 19. Rad1 Qc6 20. Nd4 Qxh6 21. Nxf5 Qe6 22. Ng5 Qc6 23. Ne7+ Bxe7 24. Qxh7+ 1-0

[Event "Bogota IRT op Navideno"]
[Site "Bogota"]
[Date "2009.12.07"]
[Round "7"]
[White "Contreras, Henry Esteban"]
[Black "Dominguez, Manuel1111"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2198"]
[PlyCount "48"]
[EventDate "2009.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 dxc4 5. Bxc4 Nf6 6. Nf3 e6 7. Bg5 Be7 8. 0-0 0-0 9. Nbd2 Nc6 10. Nb3 h6 11. Bh4 b6 12. Ne5 Bb7 13. Rc1 Rc8 14. Bb5 Nxe5 15. dxe5 Rxc1 16. Qxc1 Qd5 17. f3 Qxe5 18. Be2 Qxe2 19. Qc7 Nd5 20. Qg3 Bxh4 21. Qxh4 Ne3 22. Qf2 Qxf1+ 23. Qxf1 Nxf1 24. Kxf1 Rc8 0-1

