[Event "Sunnyvale 1000 GM Thanksgiving IM2"]
[Site "Sunnyvale"]
[Date "2023.11.26"]
[Round "9"]
[White "Contreras, Henry"]
[Black "Champsi, Imran"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2103"]
[BlackElo "2155"]
[PlyCount "141"]
[EventDate "2023.11.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. Kb1 Nc4 13. Bxc4 Rxc4 14. g4 a6 15. e5 Ne8 16. exd6 Nxd6 17. b3 Rc8 18. Nd5 e6 19. Bf4 Ne8 20. Nc3 Qa5 21. Nde2 Bc6 22. Rhf1 Nf6 23. Bh6 Rfd8 24. Qg5 Qxg5 25. Bxg5 Rxd1+ 26. Nxd1 Nd7 27. Ne3 h6 28. Be7 f5 29. Ba3 Ne5 30. Nd4 Nxg4 31. Ndxf5 Nxe3 32. Nxe3 Kf7 33. Bb2 Bxb2 34. Kxb2 Ke7 35. f4 Rf8 36. Kc3 Be4 37. Kd4 Bf5 38. Ke5 Rc8 39. c4 b5 40. Rc1 bxc4 41. Rxc4 Rd8 42. Rc7+ Ke8 43. Nxf5 exf5 44. Ke6 Rb8 45. Rc6 a5 46. Ra6 g5 47. Kxf5 gxf4 48. Kxf4 Rb5 49. Rxh6 a4 50. Rh3 axb3 51. axb3 Kf7 52. Ke4 Ke6 53. Kd4 Kd6 54. Rh6+ Kd7 55. Kc4 Rg5 56. h4 Rf5 57. b4 Kc7 58. b5 Rf4+ 59. Kc5 Rf5+ 60. Kb4 Rf2 61. Rc6+ Kb7 62. h5 Rb2+ 63. Kc4 Rh2 64. h6 Rh5 65. Rg6 Rh4+ 66. Kd3 Rh5 67. b6 Rh4 68. Ke3 Rh1 69. Kf4 Rf1+ 70. Kg5 Rg1+ 71. Kf6 1-0

[Event "Sunnyvale 1000 GM Thanksgiving IM2"]
[Site "Sunnyvale"]
[Date "2023.11.26"]
[Round "8"]
[White "Zhou, Ruoyu"]
[Black "Contreras, Henry"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1990"]
[BlackElo "2103"]
[PlyCount "77"]
[EventDate "2023.11.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 d4 11. Ne2 Bf5 12. Bxf5 Qa5+ 13. c3 dxc3 14. 0-0 Qxf5 15. Ng3 Qd5 16. Re1+ Kf8 17. bxc3 Qxd1 18. Rxd1 h6 19. Be3 b6 20. c4 Kg8 21. c5 b5 22. Rd6 Rc8 23. Nf5 Kh7 24. Nxh6 Rhf8 25. Nf5 a5 26. Nd4 Nxd4 27. Bxd4 Ne4 28. Ra6 a4 29. c6 Rfd8 30. Be3 Rd6 31. Bd4 Rdd8 32. Be3 Rd6 33. Rc1 Nc3 34. Kf1 Rdxc6 35. Rxc6 Rxc6 36. Bd2 b4 37. axb4 a3 38. Bxc3 a2 39. Ra1 1/2-1/2

[Event "Sunnyvale 1000 GM Thanksgiving IM2"]
[Site "Sunnyvale"]
[Date "2023.11.25"]
[Round "7"]
[White "Contreras, Henry"]
[Black "Tang, Zoey"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2103"]
[BlackElo "2282"]
[PlyCount "127"]
[EventDate "2023.11.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 c5 4. dxc5 d4 5. Bxf6 gxf6 6. Ne4 f5 7. Nd2 e5 8. Nb3 Be6 9. Nf3 Nc6 10. g3 Bxb3 11. axb3 Bxc5 12. Bh3 Bb4+ 13. Kf1 Qf6 14. Nh4 f4 15. Qd3 a6 16. Bf5 Ne7 17. Be4 fxg3 18. hxg3 Qb6 19. Nf5 0-0-0 20. Rxh7 Rxh7 21. Nxe7+ Bxe7 22. Bxh7 Kb8 23. Bf5 Rh8 24. Qf3 Qh6 25. Be4 Qh3+ 26. Qg2 Qd7 27. Qf3 Qh3+ 28. Qg2 Qd7 29. g4 Bg5 30. Bf5 Qd6 31. Ra5 Bd8 32. Rd5 Qh6 33. g5 Bxg5 34. Rd7 Qh1+ 35. Qxh1 Rxh1+ 36. Kg2 Re1 37. Kf3 Rf1 38. Rxf7 Be3 39. Ke4 Rxf2 40. Kxe5 Rxe2 41. Be4 Bc1 42. Rxb7+ Kc8 43. Ra7 Bxb2 44. Kd5 Rh2 45. Rxa6 Rh5+ 46. Kc4 Rh4 47. Bd3 Kb7 48. Rg6 Bc3 49. b4 Rh8 50. Be4+ Kc7 51. b5 Rb8 52. Rc6+ Kd8 53. Rh6 Kc7 54. Ra6 Rb6 55. Ra7+ Kb8 56. Ra4 Kc7 57. Kc5 Rb8 58. Ra7+ Kd8 59. b6 Rc8+ 60. Bc6 Bb4+ 61. Kb5 Rb8 62. Rd7+ Kc8 63. b7+ Rxb7+ 64. Rxb7 1-0

[Event "Sunnyvale 1000 GM Thanksgiving IM2"]
[Site "Sunnyvale"]
[Date "2023.11.25"]
[Round "6"]
[White "Pullela, Sricharan"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2094"]
[BlackElo "2103"]
[PlyCount "90"]
[EventDate "2023.11.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 d6 7. e4 g6 8. Nd2 Bg7 9. Nc4 Qd8 10. a4 b6 11. Qd2 h5 12. h4 Nbd7 13. Nh3 Kf8 14. Ng5 Ne8 15. g3 Ne5 16. Bxe5 dxe5 17. Bh3 Ba6 18. Ne3 Bh6 19. b4 cxb4 20. cxb4 Nd6 21. Kf2 Bc8 22. Bxc8 Bxg5 23. hxg5 Rxc8 24. Rac1 Kg7 25. Qb2 f6 26. gxf6+ exf6 27. Rxc8 Qxc8 28. Qc1 Qd7 29. Qc6 Rd8 30. Qxd7+ Rxd7 31. Rc1 f5 32. exf5 Nxf5 33. Nxf5+ gxf5 34. d6 Kf6 35. Rh1 Rxd6 36. Rxh5 Rd2+ 37. Ke3 Ra2 38. a5 bxa5 39. Rh6+ Kg5 40. Re6 Ra3+ 41. Kf2 Ra2+ 42. Ke3 f4+ 43. gxf4+ exf4+ 44. Kd3 axb4 45. Kc4 a5 0-1

[Event "Sunnyvale 1000 GM Thanksgiving IM2"]
[Site "Sunnyvale"]
[Date "2023.11.24"]
[Round "4"]
[White "Contreras, Henry"]
[Black "Bansal, Advay"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2103"]
[BlackElo "2269"]
[PlyCount "39"]
[EventDate "2023.11.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. c4 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. h4 Bg7 7. h5 e5 8. d3 Nc6 9. Ne4 0-0 10. hxg6 hxg6 11. Nf3 f6 12. Bd2 Qe7 13. Rc1 a5 14. a3 Rd8 15. Nc5 Nd7 16. Nxb7 Bxb7 17. Qb3+ Qf7 18. Qxb7 Ne7 19. Rxc7 Rab8 20. Rxd7 1-0

[Event "Sunnyvale 1000 GM Thanksgiving IM2"]
[Site "Sunnyvale"]
[Date "2023.11.24"]
[Round "5"]
[White "Contreras, Henry"]
[Black "Krishnan, Saatvik"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2103"]
[BlackElo "1818"]
[PlyCount "93"]
[EventDate "2023.11.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nc6 4. g3 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. d3 Bd6 8. a3 Qa5+ 9. Nd2 Nge7 10. Bg2 Nb4 11. Qd1 Nf5 12. Kf2 Nc6 13. e4 Nfe7 14. Re1 0-0-0 15. e5 Bb8 16. c3 b5 17. Nf3 h6 18. Be3 c4 19. b4 Qa6 20. a4 Bc7 21. axb5 Qxb5 22. Qa4 Qxa4 23. Rxa4 Bb6 24. b5 Na5 25. Bxb6 axb6 26. dxc4 Nxc4 27. Ra7 Rhe8 28. Nd4 Na5 29. Ra1 Kb8 30. Ra6 Kb7 31. c4 Rc8 32. cxd5 Nxd5 33. Bxd5+ exd5 34. Nf5 Rc2+ 35. Kf3 Rf8 36. Nd6+ Kc7 37. Ra7+ Kb8 38. Rxf7 Rxf7 39. Nxf7 Rc3+ 40. Kg4 d4 41. Rd1 Nb3 42. e6 h5+ 43. Kxh5 Rxg3 44. Re1 Rxh3+ 45. Kg4 Rc3 46. e7 Rc8 47. Nd8 1-0

[Event "Sunnyvale 1000 GM Thanksgiving IM2"]
[Site "Sunnyvale"]
[Date "2023.11.23"]
[Round "2"]
[White "Contreras, Henry"]
[Black "Yao, Hanchi"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2103"]
[BlackElo "1857"]
[PlyCount "113"]
[EventDate "2023.11.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. g3 d5 4. exd5 Qxd5 5. Nc3 Qd8 6. Bg2 Nf6 7. d3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Qe2 e6 11. Bf4 Bd6 12. Be3 0-0 13. 0-0-0 e5 14. Bg5 h6 15. Bh4 Nd4 16. Qe3 Qb8 17. Kb1 Nd7 18. Nd5 Re8 19. Nd2 Nb6 20. Nxb6 axb6 21. Bd5 Kh7 22. Nf3 Qc7 23. Bg3 f5 24. Nh4 Bf7 25. Bxf7 Qxf7 26. c4 f4 27. Qe4+ g6 28. Bh2 b5 29. b3 bxc4 30. dxc4 Kg7 31. Rd3 Ra3 32. Rhd1 Rea8 33. R1d2 Rb8 34. Nf3 Qc7 35. h4 Rg8 36. h5 Kf6 37. hxg6 Rxg6 38. Nh4 Rg5 39. f3 Ra8 40. Bg1 Rag8 41. Bxd4 cxd4 42. Rh2 h5 43. Rd1 hxg4 44. fxg4 Rxg4 45. Qf5+ Ke7 46. Nf3 Kd8 47. Re1 Qd7 48. Qxd7+ Kxd7 49. Nxe5+ Bxe5 50. Rxe5 Rg1+ 51. Kc2 f3 52. Rh7+ Kd6 53. Rd5+ Ke6 54. Rxb7 R8g2+ 55. Kd3 f2 56. Rb6+ Ke7 57. Rb7+ 1/2-1/2

[Event "Sunnyvale 1000 GM Thanksgiving IM2"]
[Site "Sunnyvale"]
[Date "2023.11.23"]
[Round "3"]
[White "Qin, Vincent1"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1875"]
[BlackElo "2103"]
[PlyCount "70"]
[EventDate "2023.11.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 d6 4. Nc3 e6 5. Be2 b6 6. 0-0 Bb7 7. d4 cxd4 8. Nxd4 Nf6 9. f3 Nbd7 10. Be3 Rc8 11. Qd2 Qc7 12. Rac1 Be7 13. Rfd1 0-0 14. Bf1 Rfe8 15. Qf2 Qb8 16. Na4 Bd8 17. b4 Bc7 18. g3 Ne5 19. Bg2 d5 20. exd5 exd5 21. Bg5 dxc4 22. Bxf6 gxf6 23. Nf5 Rcd8 24. f4 Nd3 25. Nh6+ Kf8 26. Qc2 b5 27. Nc5 Bb6 28. Kf1 Bxg2+ 29. Qxg2 Bxc5 30. bxc5 Qa8 31. c6 Nxc1 32. Rxc1 Re6 33. Nf5 Qxc6 34. Qf2 Rd2 35. Qxd2 Qh1+ 0-1

[Event "Sunnyvale 1000 GM Thanksgiving IM2"]
[Site "Sunnyvale"]
[Date "2023.11.22"]
[Round "1"]
[White "Nanugonda, Vishva"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2156"]
[BlackElo "2103"]
[PlyCount "130"]
[EventDate "2023.11.22"]
[EventType "schev"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Bf5 10. 0-0 Ne4 11. Nxe4 Bxe4 12. Bd3 Bxf3 13. Qxf3 Nd7 14. Bf4 Be5 15. Bxe5 Nxe5 16. Qg3 Qf6 17. b3 Rfe8 18. Rae1 Re7 19. f4 Nd7 20. Rxe7 Qxe7 21. Re1 Qf6 22. Kh2 Kf8 23. Qe3 h6 24. a3 a5 25. a4 b6 26. Kh1 Kg7 27. Qe7 Rd8 28. Qxf6+ Nxf6 29. Re7 Kf8 30. Rb7 Nd7 31. Kg1 Ke7 32. Kf2 Ra8 33. f5 Kd8 34. fxg6 fxg6 35. Bxg6 Kc8 36. Bf5 Kxb7 37. Bxd7 Kc7 38. Be6 Kd8 39. Ke3 Ke7 40. Kf4 Rf8+ 41. Bf5 Kf6 42. g4 Re8 43. Be6 Re7 44. h4 Re8 45. Ke4 Kg7 46. Kf4 Rb8 47. Bf5 Rb7 48. Be6 Rc7 49. Ke4 Kf6 50. Bf5 b5 51. axb5 a4 52. b6 Rb7 53. bxa4 Rxb6 54. Bd7 Rb1 55. Kf4 Rf1+ 56. Kg3 Ke5 57. g5 hxg5 58. hxg5 Rg1+ 59. Kh4 Kf4 60. a5 Rxg5 61. Kh3 Rg3+ 62. Kh2 Ra3 63. Kg2 Rxa5 64. Kf2 Ra2+ 65. Ke1 Ke3 0-1

[Event "Sunnyvale 1000-C 09"]
[Site "Sunnyvale"]
[Date "2023.09.17"]
[Round "4"]
[White "Contreras, Henry"]
[Black "Bhatta, Rohit"]
[Result "1-0"]
[ECO "C52"]
[WhiteElo "2151"]
[BlackElo "1775"]
[PlyCount "23"]
[EventDate "2023.09.16"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[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 Ba5 6. d4 b5 7. Bb3 Nxd4 8. Bxf7+ Kxf7 9. Nxe5+ Kf8 10. Qxd4 Nf6 11. Nc6 Bb6 12. Qb4+ 1-0

[Event "Sunnyvale 1000-C 09"]
[Site "Sunnyvale"]
[Date "2023.09.17"]
[Round "5"]
[White "Suarez, Sebastian"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1933"]
[BlackElo "2151"]
[PlyCount "54"]
[EventDate "2023.09.16"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. f3 e6 7. Be3 b5 8. Qd2 Bb7 9. g4 Nfd7 10. 0-0-0 Nb6 11. Nb3 Nc4 12. Bxc4 bxc4 13. Nd4 Nd7 14. h4 Be7 15. g5 Qa5 16. Kb1 Rb8 17. Ka1 Nb6 18. h5 d5 19. exd5 Nxd5 20. Nxd5 Qxd5 21. Qe1 Rd8 22. Rc1 0-0 23. g6 fxg6 24. hxg6 hxg6 25. Qg3 e5 26. Qxg6 exd4 27. Rh7 Qf7 1-0

[Event "Sunnyvale 1000-C 09"]
[Site "Sunnyvale"]
[Date "2023.09.16"]
[Round "1"]
[White "Contreras, Henry"]
[Black "Wang, Andrew2222"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2151"]
[BlackElo "1888"]
[PlyCount "86"]
[EventDate "2023.09.16"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nge7 5. Bg2 g6 6. 0-0 Bg7 7. Re1 d6 8. Nbd2 0-0 9. h4 e5 10. Nf1 f5 11. exf5 Bxf5 12. h5 Qd7 13. Ne3 Nd4 14. hxg6 Bxg6 15. Ng5 h6 16. Ne4 Kh7 17. c3 Ndf5 18. Qg4 Qc8 19. Nxf5 Bxf5 20. Qh4 Qd7 21. Bg5 Ng6 22. Qh5 Bg4 23. Qh1 Qf5 24. Be3 Rad8 25. f3 Bh5 26. g4 Bxg4 27. fxg4 Qxg4 28. Qh3 Qxh3 29. Bxh3 b6 30. c4 d5 31. cxd5 Rxd5 32. Rad1 Nf4 33. Bxf4 exf4 34. b3 Bd4+ 35. Kh2 Rg8 36. Rf1 Rh5 37. Rf3 Kh8 38. Rd2 Rg1 39. Rg2 Ra1 40. Nd6 Kh7 41. Nf7 Rh4 42. Nd8 Rd1 43. Ne6 Rh5 1-0

[Event "Sunnyvale 1000-C 09"]
[Site "Sunnyvale"]
[Date "2023.09.16"]
[Round "2"]
[White "Min, Ryan"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1878"]
[BlackElo "2151"]
[PlyCount "71"]
[EventDate "2023.09.16"]
[EventType "schev"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 c5 7. d5 b5 8. cxb5 a6 9. a4 axb5 10. Bxb5 Ba6 11. Bf4 Qa5 12. 0-0 Qb4 13. Qc2 Ne8 14. Bg5 Nf6 15. e5 dxe5 16. Nxe5 h6 17. Be3 Bxb5 18. axb5 Nbd7 19. Nc6 Qc4 20. b3 Qh4 21. Ra4 Qh5 22. Nxe7+ Kh7 23. Rd1 Ng8 24. Nxg8 Kxg8 25. Ne4 Rac8 26. Rc4 Rfd8 27. b4 Nb6 28. Rxc5 Ra8 29. d6 f5 30. Qb3+ Kh7 31. Ng3 Qh4 32. Rc7 Nd7 33. Qf7 Qxb4 34. Bd4 Rg8 35. Rxd7 Raf8 36. Qd5 1-0

[Event "World op 50th"]
[Site "Philadelphia"]
[Date "2022.07.02"]
[Round "4"]
[White "Tang, Andrew"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2513"]
[BlackElo "2175"]
[PlyCount "67"]
[EventDate "2022.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e4 Bxc3+ 6. bxc3 d6 7. e5 dxe5 8. dxe5 Nfd7 9. Qe4 c6 10. Ba3 Qg5 11. Nf3 Qg6 12. Qe3 Na6 13. Bd3 f5 14. Bd6 Nac5 15. Bc2 Ba6 16. Nd2 Qxg2 17. 0-0-0 Qg6 18. Rhg1 Qf7 19. Qd4 0-0-0 20. Qf4 h6 21. Qf3 Bb7 22. h4 g6 23. a4 Na6 24. a5 c5 25. Be4 Nf8 26. Bxf8 Rdxf8 27. Bxb7+ Qxb7 28. Rxg6 Qxf3 29. Nxf3 Nc7 30. Rd6 bxa5 31. h5 Rh7 32. Ne1 f4 33. Nd3 Rf5 34. Rg8+ 1-0

[Event "World op 50th"]
[Site "Philadelphia"]
[Date "2022.07.01"]
[Round "2"]
[White "Finegold, Benjamin"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2406"]
[BlackElo "2175"]
[PlyCount "79"]
[EventDate "2022.06.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 e6 7. Be2 Qc7 8. 0-0 b6 9. Be3 Bb7 10. f3 Be7 11. Qe1 0-0 12. Qf2 Nbd7 13. Rac1 Rac8 14. Rfd1 Qb8 15. g4 h6 16. h4 Nh7 17. Qg3 d5 18. Qxb8 Nxb8 19. cxd5 Bxh4 20. dxe6 fxe6 21. Nxe6 Rf6 22. Nd4 Bg5 23. Bxg5 Nxg5 24. Nd5 Rf7 25. Rxc8+ Bxc8 26. Nxb6 Rc7 27. Nxc8 Rxc8 28. Kf2 Kf7 29. Ke3 a5 30. Rd3 Na6 31. Nf5 Rc6 32. Rd7+ Kf6 33. f4 Nxe4 34. Kxe4 Nc5+ 35. Kd5 Re6 36. Rd6 Rxd6+ 37. Nxd6 Na4 38. Nc4 g5 39. fxg5+ Kxg5 40. Bd1 1-0

[Event "Soacha op-A"]
[Site "Soacha"]
[Date "2021.09.08"]
[Round "1"]
[White "Contreras, Henry"]
[Black "Ramirez Buitrago, Diego Mauricio"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2234"]
[BlackElo "1881"]
[PlyCount "56"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. Bd3 Be7 8. 0-0 a6 9. N5a3 Bg5 10. Nd2 Nge7 11. Nc2 0-0 12. b3 f5 13. Ba3 f4 14. Nf3 Nc8 15. Nxg5 Qxg5 16. Be2 Bh3 17. Bf3 Bxg2 18. Bxg2 f3 19. Ne3 Nd4 20. Bc1 Rf6 21. Kh1 Qh4 22. Bh3 Qxh3 23. Rg1 Ne2 24. Rg5 Rh6 25. Nf1 Rh5 26. Qd5+ Kh8 27. Bf4 Rxg5 28. Ne3 Nxf4 0-1

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "6.2"]
[White "Contreras, Henry"]
[Black "Escobar Forero, Alder"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2237"]
[BlackElo "2521"]
[PlyCount "66"]
[EventDate "2019.11.30"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Risaralda"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 a5 9. h3 Qc7 10. Bg5 Re8 11. Qd2 Bf8 12. Rad1 Rb8 13. b3 Be7 14. Nh4 Nf8 15. Nf5 Bxf5 16. exf5 exd4 17. Qxd4 d5 18. Bd3 h6 19. Bh4 N8h7 20. Bg3 Bd6 21. Bxd6 Qxd6 22. Ne2 Ng5 23. Ng3 c5 24. Qh4 b6 25. f3 Re7 26. Bb5 Rbb7 27. Ne2 Re3 28. Qf4 Qe7 29. Kf1 d4 30. Bd3 Nd5 31. Qh4 Qd6 32. Bc4 Rxf3+ 33. gxf3 Ne3+ 0-1

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "1.2"]
[White "Contreras, Henry"]
[Black "Mosquera Klinger, Miguel Alonso"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "2237"]
[BlackElo "2482"]
[PlyCount "75"]
[EventDate "2019.11.30"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. Bc4 Nb6 5. Bb3 Nc6 6. Qe2 dxe5 7. Nxe5 Nxe5 8. Qxe5 Qd6 9. Qe2 c6 10. Nc3 Bf5 11. d3 e6 12. Bg5 Be7 13. Bxe7 Qxe7 14. 0-0-0 0-0-0 15. f4 h5 16. Rde1 Qc7 17. g3 h4 18. Rhf1 hxg3 19. hxg3 Nd5 20. Bxd5 exd5 21. g4 Bd7 22. f5 Rhe8 23. Qf2 b6 24. Qd4 f6 25. Ne2 Re5 26. Nf4 Rde8 27. Kd2 c5 28. Qf2 d4 29. Ng6 Re3 30. Nf4 Qd6 31. a3 b5 32. Re2 c4 33. Rfe1 c3+ 34. Kc1 Qe5 35. Rxe3 dxe3 36. Nh3 exf2 37. Rxe5 f1Q+ 38. Re1 0-1

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "3.2"]
[White "Contreras, Henry"]
[Black "Munoz Galvez, Jhon Edison"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2237"]
[BlackElo "2225"]
[PlyCount "89"]
[EventDate "2019.11.30"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Caldas"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e6 7. Bg2 Qc7 8. 0-0 Be7 9. a4 Nc6 10. Kh1 Bd7 11. Nb3 b6 12. f4 0-0 13. g4 Bc8 14. g5 Nd7 15. Rf3 Re8 16. h4 Rb8 17. h5 Bf8 18. Be3 b5 19. axb5 axb5 20. Qd2 b4 21. Ne2 Bb7 22. Rh3 g6 23. Rf1 Na5 24. Nxa5 Qxa5 25. Ng3 Nc5 26. b3 Bc6 27. Bd4 e5 28. Bb2 Qa2 29. Qc1 Qa8 30. Qe3 Qb7 31. f5 d5 32. hxg6 fxg6 33. fxg6 hxg6 34. Rf6 Re6 35. Rxe6 Nxe6 36. Bxe5 Bg7 37. Bxb8 d4 38. Qe2 Qxb8 39. Qc4 Qe8 40. Nf5 Bb5 41. Qd5 Qd7 42. Nxg7 Qxd5 43. exd5 Nxg7 44. Rh4 Nf5 45. Rf4 1-0

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "5.2"]
[White "Contreras, Henry"]
[Black "Panesso Rivera, Henry"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2237"]
[BlackElo "2286"]
[PlyCount "80"]
[EventDate "2019.11.30"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Antioquia"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 a6 8. 0-0 Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Na4 e5 13. Nxc5 Qxc5 14. Be3 Qc7 15. h3 Be6 16. Rfd1 Ke7 17. c4 Rhd8 18. Rac1 Rac8 19. Qb4 Nd7 20. b3 b6 21. Kh2 Nc5 22. Qd2 a5 23. f4 f6 24. f5 Bd7 25. Re1 Bc6 26. Qc2 Qb7 27. Bd2 Ra8 28. a3 Rdc8 29. g4 b5 30. b4 axb4 31. Bxb4 Bd7 32. Bf1 bxc4 33. Bxc4 Na6 34. Qb3 Nxb4 35. Bd5 Bc6 36. Rxc6 Rxc6 37. Rc1 Qc7 38. Bxc6 Nxc6 39. Qe6+ Kf8 40. Qd5 Rc8 0-1

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "8.2"]
[White "Contreras, Henry"]
[Black "Sepulveda, Julio Orlando"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2237"]
[BlackElo "2047"]
[PlyCount "118"]
[EventDate "2019.11.30"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Norte de Santander"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. d3 d6 9. Nbd2 Na5 10. Nf1 Bb7 11. c3 Nxb3 12. Qxb3 d5 13. Ng3 dxe4 14. dxe4 Nd7 15. Be3 Nc5 16. Bxc5 Bxc5 17. Rad1 Qe7 18. a4 Bc6 19. Nf5 Qf6 20. axb5 axb5 21. Qc2 h5 22. h4 g6 23. Ne3 Bxe3 24. Rxe3 Rad8 25. Ra1 Kg7 26. g3 Qd6 27. Ng5 Qd2 28. Qxd2 Rxd2 29. Ra6 Bb7 30. Ra7 Rb8 31. b4 Rd1+ 32. Kh2 f5 33. Ne6+ Kf6 34. Nc5 Bxe4 35. Nxe4+ fxe4 36. Rxc7 Rd2 37. Rxe4 Rxf2+ 38. Kg1 Rc2 39. Re3 Ra8 40. Rf3+ Ke6 41. Rf2 Ra1+ 42. Kg2 Rxf2+ 43. Kxf2 e4 44. Rc5 Rc1 45. Ke3 Rg1 46. Kf4 Kd6 47. Rg5 Rc1 48. Kxe4 Rxc3 49. Rxg6+ Ke7 50. Rg7+ Kf6 51. Rg5 Rc4+ 52. Kd3 Rxb4 53. Rxh5 Rg4 54. Rxb5 Rxg3+ 55. Ke2 Rh3 56. h5 Kg7 57. Kf2 Kh6 58. Kg2 Rxh5 59. Rxh5+ Kxh5 1-0

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "7.2"]
[White "Martinez Zuluaica, Julian"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2296"]
[BlackElo "2237"]
[PlyCount "7"]
[EventDate "2019.11.30"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Santander"]
[BlackTeam "Meta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 1-0

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "9.2"]
[White "Ortega, Daniel"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1982"]
[BlackElo "2237"]
[PlyCount "90"]
[EventDate "2019.11.30"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Sucre"]
[BlackTeam "Meta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. f4 Nbd7 10. Kh1 b5 11. a3 Bb7 12. Bf3 Rc8 13. Qe1 Re8 14. Bd2 Bf8 15. Qg3 exf4 16. Bxf4 Ne5 17. Bg5 Be7 18. Nd4 g6 19. Nf5 Bf8 20. Qh4 Ned7 21. Nh6+ Bxh6 22. Qxh6 Rc5 23. Qh4 Rxg5 24. Qxg5 Ne5 25. Rad1 Kg7 26. Qf4 Re6 27. Rd2 Qb6 28. Rdf2 Nfd7 29. Bg4 Rf6 30. Qg3 Nxg4 31. Qxg4 Rxf2 32. Rxf2 Qxf2 33. h3 Ne5 34. Qg5 Qxc2 35. Qe7 Bxe4 36. Nxe4 Qxe4 37. Qxd6 a5 38. Qc5 b4 39. axb4 axb4 40. b3 h5 41. Kh2 h4 42. Qb6 Qf4+ 43. Kg1 Nd3 44. Qa7 Qe5 45. Qb6 Qc5+ 0-1

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "4.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2138"]
[BlackElo "2237"]
[PlyCount "80"]
[EventDate "2019.11.30"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Meta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1 f5 11. Ng5 Nf6 12. Bf3 c6 13. Be3 f4 14. Bd2 b6 15. Rc1 c5 16. bxc5 dxc5 17. a4 Ne8 18. a5 Nd6 19. Qb3 Rb8 20. Rb1 Nef5 21. exf5 Qxg5 22. fxg6 Qxg6 23. Nb5 Bf5 24. Nxd6 Bxb1 25. Ne4 bxa5 26. Qa3 Qb6 27. Bxa5 Qb3 28. Qxb3 Rxb3 29. d6 Bxe4 30. Bxe4 Bf6 31. h3 Bd8 32. Bd5+ Kg7 33. Bxd8 Rxd8 34. Rxe5 Rxd6 35. Re7+ Kf6 36. Rxa7 h5 37. Rc7 Ra6 38. Rxc5 Ra1+ 39. Kh2 Rbb1 40. g3 Ke5 0-1

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "5.2"]
[White "Carrillo Gil, William Alexander"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1870"]
[BlackElo "2248"]
[PlyCount "92"]
[EventDate "2019.11.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Fuerzas Armadas"]
[BlackTeam "Meta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d3 Nc6 5. Be2 g6 6. Bg5 Bg7 7. Nbd2 0-0 8. Nc4 a6 9. 0-0 b5 10. Ne3 h6 11. Bh4 Bb7 12. Nd2 b4 13. Rc1 a5 14. f4 a4 15. Bf2 a3 16. b3 bxc3 17. Rxc3 Nb4 18. Qb1 Nxe4 19. Nxe4 Bxe4 20. Rc4 Bb7 21. f5 Nd5 22. fxg6 fxg6 23. Nxd5 Bxd5 24. Rg4 g5 25. h4 Be6 26. Rg3 gxh4 27. Rxg7+ Kxg7 28. Qa1+ Kh7 29. Bf3 Rxf3 30. gxf3 Bh3 31. Kh2 Bxf1 32. Qxf1 e5 33. Qh3 Ra7 34. Bxh4 Qf8 35. Bg5 Rf7 36. f4 exf4 37. d4 Qg7 38. Qd3+ Qg6 39. Qxg6+ Kxg6 40. Bh4 cxd4 41. Be1 Re7 42. Bb4 Re2+ 43. Kg1 Rxa2 44. Bxd6 Kf5 45. b4 Rb2 46. b5 a2 0-1

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "1.2"]
[White "Contreras, Henry"]
[Black "Becerra, Juan David"]
[Result "0-1"]
[ECO "C38"]
[WhiteElo "2248"]
[BlackElo "2374"]
[PlyCount "20"]
[EventDate "2019.11.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. d4 d6 6. h4 h6 7. hxg5 hxg5 8. Rxh8 Bxh8 9. g3 g4 10. Nh4 fxg3 0-1

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "3.2"]
[White "Contreras, Henry"]
[Black "Gonzalez Parejo, Ramon Junior"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "2248"]
[BlackElo "2242"]
[PlyCount "27"]
[EventDate "2019.11.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Atlantico"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 Bg4 7. f3 Bd7 8. Be3 g6 9. Qd2 Bg7 10. 0-0-0 Nc6 11. g4 Rc8 12. h4 h5 13. g5 Nh7 14. f4 0-1

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "7.2"]
[White "Contreras, Henry"]
[Black "Navia Alvarez, Edwin Adrian"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2248"]
[BlackElo "1990"]
[PlyCount "134"]
[EventDate "2019.11.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Cauca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nc6 5. d4 0-0-0 6. c3 e5 7. c4 Qe4 8. Nbd2 Bb4 9. d5 Nd4 10. Nxd4 exd4 11. f3 Bxf3 12. gxf3 Qh4+ 13. Kf1 Qh3+ 14. Kf2 d3 15. Nb3 dxe2 16. Qxe2 Nf6 17. Bf4 Rhe8 18. Qc2 Bd6 19. Bg3 Rd7 20. c5 Rde7 21. Nd4 Be5 22. Qf5+ Qxf5 23. Nxf5 Bxg3+ 24. Nxg3 Nxd5 25. Rhd1 c6 26. a3 g6 27. Ne4 Kc7 28. Rd2 f5 29. Nd6 Rd8 30. Rad1 Rdd7 31. b4 Re6 32. h4 Rde7 33. Nb5+ cxb5 34. Rxd5 Re2+ 35. Kg3 R2e3 36. R1d3 Rxd3 37. Rxd3 b6 38. cxb6+ Kxb6 39. Kf4 Rc7 40. Kg5 Re7 41. h5 Re6 42. f4 a5 43. bxa5+ Kxa5 44. Rd7 Ka4 45. Rxh7 gxh5 46. Ra7+ Kb3 47. Kxf5 Rh6 48. Kg5 Rh8 49. Kh4 Rf8 50. Kg5 Rh8 51. Ra5 h4 52. Rxb5+ Kxa3 53. f5 h3 54. Rb1 h2 55. Rh1 Kb4 56. Kg6 Kc4 57. Kg7 Rh3 58. f6 Rg3+ 59. Kh7 Kd5 60. f7 Rf3 61. Kg7 Rg3+ 62. Kf6 Rf3+ 63. Ke7 Re3+ 64. Kd7 Rf3 65. Rd1+ Ke5 66. Ke7 Rxf7+ 67. Kxf7 Kf4 1/2-1/2

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "6.2"]
[White "Contreras, Henry"]
[Black "Ojeda, Jesus David"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2248"]
[BlackElo "2123"]
[PlyCount "57"]
[EventDate "2019.11.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Norte de Santander"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. d4 Bg4 5. Be2 e6 6. h3 Bh5 7. Nc3 Qa5 8. g4 Bg6 9. Ne5 Nbd7 10. Nc4 Qb4 11. a3 Qe7 12. Bf4 0-0-0 13. Nb5 Nd5 14. Bg3 a6 15. Na7+ Kb8 16. Nc6+ bxc6 17. Na5 Ka8 18. Nxc6 Qe8 19. c4 Be4 20. Bf3 Bxf3 21. Qxf3 Rc8 22. 0-0 N7f6 23. cxd5 exd5 24. Rac1 Qe4 25. Qb3 Qe2 26. a4 Bd6 27. Rfe1 Qd2 28. Bxd6 cxd6 29. Qb6 1-0

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "2.2"]
[White "Guayara Diaz, William Alonso"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1957"]
[BlackElo "2248"]
[PlyCount "52"]
[EventDate "2019.11.29"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Narino"]
[BlackTeam "Meta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. h3 c5 6. c3 cxd4 7. exd4 d6 8. Be2 b6 9. Nbd2 Ba6 10. 0-0 Bxe2 11. Qxe2 Nbd7 12. Rfe1 Re8 13. Rad1 h6 14. Bh2 a6 15. Qc4 b5 16. Qb3 Qc7 17. Re2 Nb6 18. Rde1 Bf8 19. Nh4 Nc4 20. Qc2 Rec8 21. Ne4 Nxe4 22. Qxe4 Kh7 23. Qd5 e6 24. Qe4 d5 25. Qd3 Bd6 26. Bxd6 Nxd6 1-0

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.28"]
[Round "7.1"]
[White "Ojeda, Jesus David"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2113"]
[BlackElo "2237"]
[PlyCount "94"]
[EventDate "2019.11.24"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Norte de Santander"]
[BlackTeam "Meta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. c4 b6 7. Nc3 Nbd7 8. Be2 Bb7 9. Qc2 c5 10. d5 a6 11. e4 Ne8 12. Rd1 Ne5 13. Qd2 Nxf3+ 14. gxf3 Bd4 15. Bh6 Ng7 16. h4 e5 17. h5 Nxh5 18. Na4 Nf4 19. Bxf4 exf4 20. Qxf4 h5 21. Qg3 b5 22. Nc3 b4 23. Na4 Bg7 24. f4 Qe8 25. Nb6 Qxe4 26. f3 Qe3 27. Nxa8 Rxa8 28. Kf1 Re8 29. Bd3 Bc8 30. Rh2 Kf8 31. b3 Bh6 32. Re2 Qxf4 33. Qxf4 Bh3+ 34. Kf2 Rxe2+ 35. Bxe2 Bxf4 36. a3 a5 37. axb4 axb4 38. Bd3 Bd7 39. Ra1 h4 40. Ra8+ Kg7 41. Ra7 Bh3 42. Be4 Kf6 43. Rb7 g5 44. Bh7 Ke5 45. Rxf7 Kd4 46. Bc2 Kc3 47. Bd1 Kd2 0-1

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.27"]
[Round "6.1"]
[White "Contreras, Henry"]
[Black "Florez, Luis Angel"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2237"]
[BlackElo "2133"]
[PlyCount "97"]
[EventDate "2019.11.24"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Cauca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

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. Nxd4 Be7 11. c3 0-0 12. Qf3 Qb6 13. Re1 Bd7 14. Bb3 Rfe8 15. Bf4 a5 16. Be5 Rac8 17. Rab1 Red8 18. a3 Rc5 19. Ba2 Qa6 20. Rbd1 b5 21. Bb1 Bc8 22. Bd3 a4 23. Qe2 Bd7 24. Kh1 Qb7 25. f4 g6 26. Rf1 Nh5 27. Be4 Qc8 28. Qf3 Rf8 29. Bb7 Qe8 30. b4 axb3 31. Nxb3 Rc4 32. Na5 Ra4 33. Nc6 Bxa3 34. Bd4 f6 35. Rb1 Nxf4 36. Rxb5 e5 37. Bc5 Bxc5 38. Rxc5 Ne6 39. Qd5 Kh8 40. Rb5 Nc7 41. Qb3 Nxb5 42. Qxb5 Rf4 43. Rd1 e4 44. Qc5 e3 45. Kg1 e2 46. Re1 Rf5 47. Qb6 Qe6 48. c4 Re8 49. h3 0-1

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.26"]
[Round "5.1"]
[White "Contreras, Henry"]
[Black "Rios Parra, Alejandro"]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "2237"]
[BlackElo "2245"]
[PlyCount "92"]
[EventDate "2019.11.24"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Caqueta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Ne2 Bg6 8. Nf4 e5 9. Nxg6 hxg6 10. Be3 Bh6 11. Bxh6 Rxh6 12. Qd2 Rh4 13. dxe5 Qxd2+ 14. Kxd2 fxe5 15. Re1 Nd7 16. g3 Rh7 17. h4 0-0-0 18. Kc2 Kc7 19. b4 f5 20. Be2 Nf6 21. Rd1 Rhd7 22. Rxd7+ Rxd7 23. Bf3 e4 24. Be2 e3 25. fxe3 Ne4 26. Bf3 Rd2+ 27. Kb3 Nd6 28. g4 b5 29. Re1 Nc4 30. Re2 fxg4 31. Bxg4 Rd3 32. e4 Kd6 33. h5 gxh5 34. Bxh5 Ke5 35. a4 Nd6 36. Rc2 bxa4+ 37. Kxa4 Nb5 38. Be8 Nxc3+ 39. Ka5 Nxe4 40. Bxc6 Nd6 41. Ra2 Kd4 42. Ka6 Kc4 43. b5 Kb4 44. Rb2+ Rb3 45. Ra2 Ra3+ 46. Rxa3 Kxa3 1/2-1/2

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.25"]
[Round "3.1"]
[White "Contreras, Henry"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2237"]
[BlackElo "2193"]
[PlyCount "163"]
[EventDate "2019.11.24"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Be2 Qg6 9. 0-0 d6 10. f3 0-0 11. Nc2 Bxe3+ 12. Nxe3 f5 13. exf5 Nxf5 14. Nxf5 Bxf5 15. Nd2 Bc2 16. Qc1 Rae8 17. Nc4 Bd3 18. Nxe5 Rxe5 19. Bxd3 Qxd3 20. Rf2 Rfe8 21. Qd2 Qb5 22. Rd1 c6 23. h3 d5 24. b3 Qc5 25. Kh2 Re3 26. Rc1 Qd6+ 27. Kg1 Qf4 28. Rd1 Qe5 29. Rc1 h5 30. f4 Qe4 31. f5 Re1+ 32. Rxe1 Qxe1+ 33. Qxe1 Rxe1+ 34. Kh2 Re3 35. c4 d4 36. f6 c5 37. Rf5 b6 38. Rg5 g6 39. Rxg6+ Kf7 40. Rh6 Re5 41. Kg3 d3 42. Rh7+ Kxf6 43. Rd7 Re3+ 44. Kh4 Re4+ 45. Kg3 Re3+ 46. Kf4 Re2 47. Kf3 Rxa2 48. Rxd3 Ke6 49. g3 a5 50. Kf4 a4 51. Re3+ Kf6 52. Rd3 Ke6 53. Re3+ Kf6 54. bxa4 Rxa4 55. Re4 Rb4 56. h4 Ra4 57. Kf3 Ra3+ 58. Kg2 Rc3 59. Kf2 Kf5 60. Rf4+ Kg6 61. Kg2 Rb3 62. Rf3 Rb4 63. Rd3 Rxc4 64. Rd6+ Kg7 65. Rxb6 Rc3 66. Rc6 c4 67. Kf2 Rc1 68. Ke3 c3 69. Rc5 Kh6 70. Rg5 Rd1 71. Rc5 Rc1 72. Kf4 c2 73. Rc6+ Kg7 74. Kg5 Rg1 75. Rc7+ Kg8 76. Rxc2 Rxg3+ 77. Kxh5 Kh7 78. Rc7+ Rg7 79. Rc6 Ra7 80. Rc5 Rb7 81. Kg5 Ra7 82. h5 1/2-1/2

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.24"]
[Round "1.1"]
[White "Contreras, Henry"]
[Black "Ruiz Castillo, Joshua Daniel"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2237"]
[BlackElo "2496"]
[PlyCount "88"]
[EventDate "2019.11.24"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Bogota"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 e6 2. Nf3 Nf6 3. Nc3 d5 4. Bg5 h6 5. Bh4 Bb4 6. e3 c5 7. a3 Bxc3+ 8. bxc3 g5 9. Bb5+ Bd7 10. Bxd7+ Nbxd7 11. Bg3 Qa5 12. 0-0 Qxc3 13. Ne5 Ne4 14. Nxd7 Kxd7 15. Rb1 b6 16. Rb3 Qc4 17. dxc5 Qxc5 18. Be5 Rhc8 19. Qh5 Qf8 20. Qd1 f6 21. Bd4 Rc4 22. f3 Nd6 23. Rd3 Kc7 24. e4 e5 25. Bf2 d4 26. c3 Nb5 27. cxd4 Nxd4 28. Bxd4 exd4 29. f4 Re8 30. Qf3 Qc5 31. fxg5 fxg5 32. h3 Rc3 33. Rfd1 Qxa3 34. Rxc3+ dxc3 35. Qd3 Qc5+ 36. Kh1 Kb8 37. Rc1 Rc8 38. Rc2 b5 39. Qg3+ Qc7 40. Rxc3 Qxg3 41. Rxg3 b4 42. e5 Rc1+ 43. Kh2 Re1 44. h4 Kc7 0-1

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.24"]
[Round "2.1"]
[White "Gomez, Samael"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1924"]
[BlackElo "2237"]
[PlyCount "84"]
[EventDate "2019.11.24"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Fuerzas Armadas"]
[BlackTeam "Meta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 Nc6 7. Nc3 a6 8. h3 Bd7 9. e4 e5 10. d5 Nd4 11. Nxd4 exd4 12. Qxd4 Qc8 13. c5 Bxh3 14. Qb4 Re8 15. cxd6 cxd6 16. Re1 Bf8 17. Bg5 Bxg2 18. Kxg2 Ng4 19. Rac1 Ne5 20. Re3 b5 21. b3 Qd7 22. f3 Bg7 23. Ne2 a5 24. Qd2 b4 25. Nd4 Rac8 26. Ree1 Rc5 27. Be3 Rec8 28. Ne2 Rxc1 29. Rxc1 h5 30. f4 Ng4 31. Bd4 Nf6 32. Qd3 h4 33. Rxc8+ Qxc8 34. f5 gxf5 35. exf5 hxg3 36. Nxg3 Nxd5 37. Kf3 Bxd4 38. Qxd4 Qc3+ 39. Qxc3 Nxc3 40. Ke3 Nxa2 41. Kd2 Nc3 42. f6 Kh7 0-1

[Event "COL-ch sf1"]
[Site "Medellin"]
[Date "2019.04.21"]
[Round "10"]
[White "Contreras, Henry"]
[Black "Escobar Forero, Alder"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2225"]
[BlackElo "2457"]
[PlyCount "17"]
[EventDate "2019.04.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. d4 g6 5. Ne5 Bg7 6. Bc4 Qxg2 7. Bxf7+ Kf8 8. Rf1 Ng4 9. Bc4 0-1

[Event "COL-ch sf1"]
[Site "Medellin"]
[Date "2019.04.20"]
[Round "9"]
[White "Contreras, Henry"]
[Black "Mateus Urbano, Luis Alejandro"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2225"]
[BlackElo "2288"]
[PlyCount "64"]
[EventDate "2019.04.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be7 8. Bg2 Bg4 9. Qd3 0-0 10. Bg5 Nbd7 11. a4 Rc8 12. 0-0 Nb6 13. Nd2 Be6 14. Bxf6 Bxf6 15. Rfd1 Bg5 16. Nf1 Qc7 17. h4 Bh6 18. Ra3 Rfd8 19. Rb1 Nc4 20. Rb3 Na5 21. Ra3 Nc6 22. b4 Nd4 23. Ne3 Qxc3 24. Rxc3 Rxc3 25. Qd1 Bxe3 26. fxe3 Rxe3 27. Kh2 Rc8 28. c4 Rxc4 29. b5 axb5 30. axb5 Re2 31. Rc1 Rxc1 32. Qxc1 Nf3+ 0-1

[Event "COL-ch sf1"]
[Site "Medellin"]
[Date "2019.04.19"]
[Round "7"]
[White "Argote Heredia, Valentina"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "2041"]
[BlackElo "2225"]
[PlyCount "11"]
[EventDate "2019.04.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nf6 6. Bg5 0-1

[Event "COL-ch sf1"]
[Site "Medellin"]
[Date "2019.04.19"]
[Round "6"]
[White "Contreras, Henry"]
[Black "Sanchez, Sebastian Felipe"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "2225"]
[BlackElo "2418"]
[PlyCount "110"]
[EventDate "2019.04.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nd7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 e6 12. 0-0-0 Qc7 13. Kb1 0-0-0 14. c4 Bd6 15. Ne4 Nxe4 16. Qxe4 Nf6 17. Qe2 c5 18. Bc3 Rhe8 19. Ne5 Re7 20. f4 Nd7 21. dxc5 Nxc5 22. b3 f6 23. Ng6 Ree8 24. g3 f5 25. Bb2 Ne4 26. Rd3 Be7 27. Nxe7+ Rxe7 28. Rhd1 Rxd3 29. Rxd3 Rd7 30. Be5 Rxd3 31. Qxd3 Qd7 32. Qe3 Qd1+ 33. Kb2 b6 34. Bxg7 Qxh5 35. Ka3 Qg6 36. Qd4 h5 37. Bf8 Qf6 38. Qxf6 Nxf6 39. Be7 Ne4 40. Bh4 Kd7 41. b4 Nd2 42. Ka4 Kc6 43. c5 bxc5 44. b5+ Kb6 45. Bd8+ Kb7 46. Ka5 Ne4 47. Bh4 Nc3 48. Be7 c4 49. Bc5 Nxa2 50. Ka4 a6 51. bxa6+ Kxa6 52. Ka3 Kb5 53. Be3 Nc3 54. Bf2 Ne4 55. Be1 Kc5 0-1

[Event "COL-ch sf1"]
[Site "Medellin"]
[Date "2019.04.18"]
[Round "5"]
[White "Contreras, Henry"]
[Black "Fonseca Pinto, Carlos Arturo"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "2225"]
[BlackElo "2046"]
[PlyCount "75"]
[EventDate "2019.04.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. f3 a6 7. Bg5 Nbd7 8. Qd2 h6 9. Be3 b6 10. Nh3 Qc7 11. Nf2 Ne5 12. Be2 g5 13. h4 gxh4 14. Rxh4 Ng6 15. Rh2 h5 16. g3 Bd7 17. a4 a5 18. Nd3 0-0-0 19. 0-0-0 Rh7 20. Rdh1 Rdh8 21. Kc2 e6 22. b3 Kb7 23. dxe6 fxe6 24. Nf4 Ne5 25. Rd1 Ne8 26. Rdh1 Nf6 27. Nh3 Nfg4 28. Rg2 Nxe3+ 29. Qxe3 Nc6 30. Ng5 Bd4 31. Qd2 Nb4+ 32. Kb1 Rg7 33. f4 d5 34. Nb5 Bxb5 35. axb5 Rxg5 36. fxg5 Qe5 37. Qf4 Qg7 38. Rf1 1-0

[Event "COL-ch sf1"]
[Site "Medellin"]
[Date "2019.04.18"]
[Round "4"]
[White "Martinez Romero, Martin"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2433"]
[BlackElo "2225"]
[PlyCount "76"]
[EventDate "2019.04.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 d6 6. Nc3 Nc6 7. 0-0 a6 8. Qd3 Bf5 9. e4 Bg4 10. Ne1 e5 11. d5 Nd4 12. Be3 c5 13. dxc6 bxc6 14. f4 Bd7 15. Kh1 c5 16. Nf3 Re8 17. Rae1 Bc6 18. fxe5 dxe5 19. Bg5 h6 20. Bc1 Re7 21. Nd5 Nxd5 22. exd5 Nxf3 23. Qxf3 Bb7 24. Qf2 Qb6 25. Re3 f5 26. Rb3 Qd6 27. Be3 Rc8 28. a4 Rec7 29. a5 Qf8 30. Rb6 Kh7 31. b4 cxb4 32. c5 f4 33. gxf4 Rf7 34. Qc2 exf4 35. Qxg6+ Kg8 36. Be4 Qe7 37. Rxf4 Rxf4 38. Bxf4 Rf8 1-0

[Event "COL-ch sf1"]
[Site "Medellin"]
[Date "2019.04.17"]
[Round "2"]
[White "Castro, Natalia Patricia"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2041"]
[BlackElo "2225"]
[PlyCount "42"]
[EventDate "2019.04.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. dxc5 Na6 4. a3 Nxc5 5. Nf3 e6 6. Bf4 a6 7. g3 d5 8. Bg2 Be7 9. 0-0 0-0 10. Be5 Bd7 11. Qd4 Rc8 12. Nd2 Bc6 13. Bxf6 Bxf6 14. Qb4 Bxc3 15. bxc3 Bb5 16. Rfe1 Na4 17. c4 dxc4 18. Bxb7 c3 19. Ne4 Rc4 20. Qd6 Rc7 21. Rad1 Rd7 0-1

[Event "COL-ch sf1"]
[Site "Medellin"]
[Date "2019.04.17"]
[Round "3"]
[White "Contreras, Henry"]
[Black "Vanegas, Ricardo"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2225"]
[BlackElo "1818"]
[PlyCount "109"]
[EventDate "2019.04.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Bb4 7. Bd2 Nc6 8. Nxc6 dxc6 9. Bg2 e5 10. 0-0 Bc5 11. a4 Nf6 12. a5 Bg4 13. Qc1 0-0 14. Na4 Bd4 15. c3 Ba7 16. Be3 Bxe3 17. Qxe3 Rad8 18. b4 Rd6 19. f3 Be6 20. Rfc1 Rfd8 21. Bf1 Rd2 22. Nc5 R2d6 23. Be2 Nd7 24. Nxe6 Rxe6 25. Rd1 Nf8 26. Rxd8 Qxd8 27. Rd1 Rd6 28. Rxd6 Qxd6 29. Kf2 h6 30. Qa7 Qc7 31. Bxa6 Qd7 32. Be2 Qc8 33. Qc5 Qh3 34. Kg1 Qe6 35. c4 Qf6 36. b5 Ne6 37. Qa3 Nd4 38. a6 Qd8 39. axb7 Nxe2+ 40. Kf2 Qb6+ 41. Kxe2 Qxb7 42. Qa6 Qd7 43. bxc6 Qh3 44. c7 Qg2+ 45. Kd3 Qxf3+ 46. Kd2 Qf2+ 47. Kc3 Qe1+ 48. Kb3 Qd1+ 49. Kb4 Qd2+ 50. Kb5 Qd7+ 51. Kb6 Qe6+ 52. Kb7 Qe7 53. Kb8 Qb4+ 54. Qb5 Qd6 55. c5 1-0

[Event "COL-ch sf1"]
[Site "Medellin"]
[Date "2019.04.16"]
[Round "1"]
[White "Contreras, Henry"]
[Black "Norena Yepez, Vanessa"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2225"]
[BlackElo "1803"]
[PlyCount "53"]
[EventDate "2019.04.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 d6 4. Bd3 Nbd7 5. f4 h6 6. Bh4 Be7 7. Nf3 0-0 8. Nbd2 c5 9. c3 b6 10. Qe2 Bb7 11. 0-0-0 a6 12. Rhg1 cxd4 13. cxd4 e5 14. fxe5 dxe5 15. dxe5 Ng4 16. Bg3 h5 17. h3 Nh6 18. Kb1 Bc5 19. Rh1 f5 20. exf5 Nxf5 21. Bxf5 Rxf5 22. Nb3 Qe8 23. Rhe1 Nf8 24. Nxc5 bxc5 25. e6 Ng6 26. e7 Bc6 27. Qe6+ 1-0

[Event "COL-ch U2300"]
[Site "Pereira"]
[Date "2019.03.25"]
[Round "8"]
[White "Cadena Montoya, Gustavo Adolfo"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2194"]
[BlackElo "2225"]
[PlyCount "60"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 c6 7. 0-0 Qa5 8. d5 cxd5 9. cxd5 Bd7 10. Nd4 Rc8 11. Nb3 Qd8 12. h3 Be8 13. Be3 Nbd7 14. Rc1 Ne5 15. Nd2 Nfd7 16. Qb3 Nb6 17. f4 Nec4 18. Nxc4 Rxc4 19. Nb5 Bxb5 20. Qxb5 Rac8 21. b3 Bd4 22. Bxd4 Rxc1 23. Bf3 Rxf1+ 24. Kxf1 Rc1+ 25. Kf2 Qc8 26. a4 Rd1 27. Be3 Qd7 28. Qa5 Qxh3 29. Bg2 Qh2 30. Qxa7 Nxd5 0-1

[Event "COL-ch U2300"]
[Site "Pereira"]
[Date "2019.03.25"]
[Round "9"]
[White "Contreras, Henry"]
[Black "Gallego, Julian Andres"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2225"]
[BlackElo "2196"]
[PlyCount "6"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 1/2-1/2

[Event "COL-ch U2300"]
[Site "Pereira"]
[Date "2019.03.24"]
[Round "7"]
[White "Contreras, Henry"]
[Black "Saladen Dulce, Rafael"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "2225"]
[BlackElo "2168"]
[PlyCount "64"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 h6 10. Bxf6 Qxf6 11. e5 dxe5 12. Ndb5 Qd8 13. Nd6+ Bxd6 14. Qxd6 Qe7 15. fxe5 Rd8 16. Qxe7+ Kxe7 17. Re1 Nd4 18. Bd3 Bc6 19. Be4 h5 20. Rhf1 h4 21. Rf4 b5 22. a3 Rh5 23. Ref1 Be8 24. Bb7 a5 25. b4 axb4 26. axb4 h3 27. Re1 hxg2 28. Bxg2 Rxh2 29. Be4 Rc8 30. Kb2 Rc4 31. Bd3 Rxb4+ 32. Kc1 Nb3+ 0-1

[Event "COL-ch U2300"]
[Site "Pereira"]
[Date "2019.03.24"]
[Round "6"]
[White "Gonzalez Parejo, Ramon Junior"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2235"]
[BlackElo "2225"]
[PlyCount "79"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 0-0 5. d4 c5 6. Be2 b6 7. 0-0 Bb7 8. c4 d6 9. Nc3 Ne4 10. Nxe4 Bxe4 11. Qd2 Nd7 12. Rfd1 Bxf3 13. Bxf3 Rc8 14. Rac1 Qc7 15. a3 Nf6 16. b4 Rfd8 17. Qc2 e5 18. dxe5 dxe5 19. b5 Qe7 20. Bc6 a5 21. h3 h5 22. g3 Kh7 23. Kg2 Ng8 24. e4 Bh6 25. Rxd8 Rxd8 26. Rd1 Rxd1 27. Qxd1 h4 28. Qd5 f6 29. gxh4 Bf4 30. Kf3 Kg7 31. h5 gxh5 32. Ke2 Nh6 33. f3 Nf7 34. a4 Qd6 35. Bc3 Kf8 36. Bd7 Qxd5 37. cxd5 Ke7 38. Be6 Nd6 39. Kd3 c4+ 40. Kc2 0-1

[Event "COL-ch U2300"]
[Site "Pereira"]
[Date "2019.03.23"]
[Round "4"]
[White "Aponte Castillo, Jose Ernesto"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E66"]
[WhiteElo "2071"]
[BlackElo "2225"]
[PlyCount "80"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c4 Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 Rb8 11. b3 b5 12. Rb1 e5 13. Bb2 Bf5 14. e4 Bd7 15. Nd1 Bh6 16. Bc3 Re8 17. Re1 bxc4 18. bxc4 Rxb1 19. Qxb1 Bxd2 20. Bxd2 Nxc4 21. Bg5 Na3 22. Qc1 Nb5 23. Ne3 Nd4 24. Kh1 h6 25. Bxh6 Ng4 26. Nxg4 Bxg4 27. h3 Bd7 28. f4 Kh7 29. fxe5 Rxe5 30. Bf4 Rh5 31. h4 Bg4 32. e5 Nf3 33. Bxf3 Bxf3+ 34. Kg1 dxe5 35. Bxe5 Qxd5 36. Qb2 Qe6 37. Qb8 Rxe5 38. Rxe5 Qxa2 39. Kf1 Qg2+ 40. Ke1 Qxg3+ 0-1

[Event "COL-ch U2300"]
[Site "Pereira"]
[Date "2019.03.23"]
[Round "5"]
[White "Contreras, Henry"]
[Black "Lopez Rayo, Santiago"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2225"]
[BlackElo "1816"]
[PlyCount "53"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nf3 d5 6. e5 Qd8 7. Bd3 Be7 8. h4 c5 9. Nc3 Nc6 10. dxc5 Bxc5 11. a3 a6 12. Qd2 Bd7 13. 0-0-0 b5 14. Qf4 Qb6 15. Rdf1 b4 16. Na4 Qa5 17. Nxc5 bxa3 18. Nb3 a2 19. Na1 Nb4 20. Rd1 Rc8 21. Nd4 Ba4 22. Rh3 Qc5 23. Kd2 Nxd3 24. Rxd3 Qb4+ 25. Ke3 Qxb2 26. Nxe6 Qb6+ 27. Qd4 1-0

[Event "COL-ch U2300"]
[Site "Pereira"]
[Date "2019.03.22"]
[Round "3"]
[White "Contreras, Henry"]
[Black "Valle, Efrain"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "2225"]
[BlackElo "2079"]
[PlyCount "67"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. c4 Bd6 6. Be2 0-0 7. 0-0 Ne4 8. d4 g5 9. Bd3 f5 10. Qc2 Re8 11. Nbd2 b5 12. b3 bxc4 13. bxc4 g4 14. Nxe4 fxe4 15. Bxe4 gxf3 16. c5 fxg2 17. Bxg2 Ba6 18. cxd6 cxd6 19. Bxf4 Bxf1 20. Rxf1 Qf6 21. Kh1 Nd7 22. Bh3 Nf8 23. Be5 Qh6 24. Qg2+ Qg6 25. Bxd6 Qxg2+ 26. Kxg2 Rad8 27. Bc5 Re2+ 28. Kf3 Rxh2 29. Be6+ Nxe6 30. dxe6 Rh6 31. e7 Re8 32. Kg4 Rg6+ 33. Kh5 Kg7 34. Rf8 1-0

[Event "COL-ch U2300"]
[Site "Pereira"]
[Date "2019.03.22"]
[Round "2"]
[White "Diaz Meneses, Luisa Fernanda"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1699"]
[BlackElo "2225"]
[PlyCount "46"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bd3 g6 6. c3 Bg7 7. Bc2 c4 8. d4 cxd3 9. Qxd3 b6 10. Qd5 Ra7 11. Bb3 e6 12. Qxd6 Ngf6 13. Re1 Bb7 14. Nbd2 Qa8 15. Ng5 Bf8 16. Qf4 h6 17. Nxf7 Kxf7 18. e5 g5 19. Bxe6+ Kxe6 20. exf6+ Kf7 21. Qe3 Nxf6 22. Qxb6 Bxg2 23. Qe6+ Kg7 0-1

[Event "COL-ch U2300"]
[Site "Pereira"]
[Date "2019.03.21"]
[Round "1"]
[White "Contreras, Henry"]
[Black "Grajales, Rubiel"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2225"]
[BlackElo "2041"]
[PlyCount "66"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Nf3 Qb6 8. Bc2 Be7 9. 0-0 0-0 10. a3 f6 11. Kh1 a5 12. Qd3 f5 13. Nbd2 cxd4 14. cxd4 Rf7 15. Rg1 Nf8 16. Nf1 Bd7 17. g4 fxg4 18. Rxg4 Rc8 19. Ng3 Nd8 20. h4 Bb5 21. Qd1 Qc6 22. Ne1 Qb6 23. Be3 Qa6 24. h5 Kh8 25. Qd2 a4 26. Nf3 Nc6 27. Rg1 Na5 28. Bb1 Nc4 29. Qf2 Qb6 30. Bc1 Be8 31. Bd3 Bd7 32. Qh2 Qb3 33. Qe2 Qb6 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.12"]
[Round "9"]
[White "Contreras, Henry"]
[Black "Fonseca Pinto, Carlos Arturo"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2204"]
[BlackElo "2012"]
[PlyCount "89"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. a3 d5 5. exd5 Nxd5 6. Nf3 Bg4 7. h3 Bh5 8. Bb5 Qf6 9. g4 Bg6 10. Qe2 e4 11. dxe4 Nf4 12. Bxc6+ bxc6 13. Bxf4 Qxf4 14. Nbd2 Rb8 15. 0-0-0 Bc5 16. Qc4 Bxf2 17. Rhf1 Be3 18. Qxc6+ Ke7 19. Kb1 Rhd8 20. Nd4 Qd6 21. Nc4 Rxb2+ 22. Nxb2 Bxd4 23. Qxd6+ Rxd6 24. Rfe1 c5 25. Nc4 Ra6 26. Rd3 f6 27. Ne3 Rb6+ 28. Kc1 Ke6 29. Nf5 Bb2+ 30. Kd2 Rb7 31. Rb1 c4 32. Rd6+ Ke5 33. Ke3 Bf7 34. Rdd1 Rb6 35. Nxg7 Bxa3 36. Rxb6 axb6 37. Rd7 Bg8 38. Nf5 h6 39. c3 Be6 40. Rd1 h5 41. gxh5 Bf8 42. h6 Bxf5 43. Rd5+ Ke6 44. Rxf5 Bxh6+ 45. Kd4 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.11"]
[Round "8"]
[White "Rios Parra, Alejandro"]
[Black "Contreras, Henry"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "2289"]
[BlackElo "2204"]
[PlyCount "148"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qe2 h6 8. Bh4 Be7 9. 0-0-0 0-0 10. e5 Ne8 11. Bxe7 Qxe7 12. g3 dxe5 13. Qxe5 b5 14. Bg2 Bb7 15. Nf5 Qg5+ 16. f4 Qxf5 17. Qxf5 exf5 18. Bxb7 Ra7 19. Bf3 Nf6 20. Rhe1 Rc8 21. Rd6 Nbd7 22. a3 Kf8 23. Kb1 Re8 24. Rxe8+ Kxe8 25. Rc6 Ke7 26. Ka2 Nf8 27. Nd5+ Nxd5 28. Bxd5 Ne6 29. Bxe6 fxe6 30. Kb3 Kd7 31. Rb6 g5 32. c3 gxf4 33. gxf4 Rc7 34. Rxa6 Rc4 35. a4 Rxf4 36. axb5 e5 37. c4 e4 38. c5 e3 39. Ra7+ Kd8 40. Ra8+ Ke7 41. Kc3 Re4 42. b6 e2 43. Ra1 Kd7 44. Kd2 f4 45. Ke1 f3 46. Kf2 Rd4 47. Kxf3 Kc6 48. Re1 Kxc5 49. Rxe2 Kxb6 50. Re6+ Kc5 51. Rxh6 Rb4 52. Re6 Rxb2 53. h4 Kd5 54. Re1 Rb4 55. Kg3 Rb6 56. Kf4 Rb2 57. h5 Rf2+ 58. Kg5 Rg2+ 59. Kf6 Rf2+ 60. Kg7 Rg2+ 61. Kh7 Kd6 62. Re8 Rh2 63. h6 Kd7 64. Rg8 Ke7 65. Rg1 Kf8 66. Rf1+ Ke7 67. Kg7 Rg2+ 68. Kh8 Rg6 69. h7 Rg2 70. Ra1 Kf7 71. Ra7+ Kf8 72. Ra8+ Kf7 73. Rg8 Rf2 74. Rg7+ Kf8 1/2-1/2

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.10"]
[Round "7"]
[White "Contreras, Henry"]
[Black "Ordonez Gonzalez, Gabriel"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2204"]
[BlackElo "1884"]
[PlyCount "75"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 a6 7. Bg2 Be7 8. 0-0 0-0 9. a4 Qc7 10. Kh1 Nc6 11. f4 Bd7 12. Nb3 Na5 13. Nxa5 Qxa5 14. g4 Bc6 15. g5 Nd7 16. Bd2 Qc7 17. Nd5 exd5 18. exd5 Bxa4 19. Rxa4 f6 20. Re1 Rf7 21. Rae4 Nc5 22. R4e3 fxg5 23. fxg5 a5 24. b3 Bf8 25. c3 a4 26. b4 Nb3 27. Bh3 Rf2 28. Be6+ Kh8 29. Rh3 g6 30. Be3 Ra2 31. Qg4 h5 32. Rf1 Bh6 33. Qe4 Qg7 34. gxh6 Qxc3 35. Qxg6 Re2 36. Bg5 Rxe6 37. dxe6 Qc6+ 38. Rhf3 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.09"]
[Round "5"]
[White "Contreras, Henry"]
[Black "Sierra Fonseca, Edwin Andres"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2204"]
[BlackElo "2171"]
[PlyCount "49"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 g6 2. e4 d6 3. f4 Bg7 4. Nc3 Nh6 5. Nf3 0-0 6. Be3 c5 7. dxc5 Bxc3+ 8. bxc3 Qa5 9. cxd6 Qxc3+ 10. Bd2 Qc5 11. dxe7 Qxe7 12. Bd3 Ng4 13. h3 Nf6 14. e5 Nd5 15. 0-0 Nc6 16. Kh1 Rd8 17. Qe1 f5 18. Bc4 Kg7 19. Bb3 Be6 20. Rd1 Rd7 21. Ng5 Nd4 22. c4 Nc7 23. Bb4 Qe8 24. Bd6 Nxb3 25. axb3 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.09"]
[Round "6"]
[White "Valderrama Quiceno, Esteban Alberto"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2443"]
[BlackElo "2204"]
[PlyCount "63"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 d6 5. d4 0-0 6. Be2 b6 7. 0-0 c5 8. c4 Bb7 9. Nc3 Ne4 10. Nxe4 Bxe4 11. Qd2 Nd7 12. Rfd1 Rb8 13. Rac1 Qc7 14. Ng5 Bb7 15. d5 Bxb2 16. Qxb2 Nf6 17. h4 b5 18. h5 bxc4 19. hxg6 hxg6 20. Bxc4 Kg7 21. e4 Rh8 22. f4 Kg8 23. e5 Nh7 24. Ne4 Bc8 25. Re1 Bf5 26. exd6 exd6 27. Nf6+ Nxf6 28. Qxf6 Rf8 29. Re7 Qa5 30. Rc3 Qxa2 31. Rce3 Qb1+ 32. Re1 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.08"]
[Round "4"]
[White "Montenegro, Juan Rolando"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2111"]
[BlackElo "2204"]
[PlyCount "94"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[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 d6 3. c3 Nf6 4. h3 g6 5. Bd3 Bg7 6. Bc2 0-0 7. 0-0 Nc6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne8 11. Nc3 Nc7 12. Be3 f6 13. exf6 exf6 14. Qd2 Be6 15. Rac1 Bf7 16. Na4 Re8 17. Nc5 b6 18. Ba4 b5 19. Bc2 Bf8 20. Bb1 Ne6 21. Nxe6 Rxe6 22. h4 Qb6 23. h5 gxh5 24. Bf5 Re7 25. Qc2 Be8 26. Qb3 Rd8 27. Rc2 Bg6 28. Nh4 Rg7 29. Kh1 Ne7 30. Bd3 a6 31. Rfc1 Bxd3 32. Qxd3 Qe6 33. f3 f5 34. f4 Qe4 35. Qd2 Rg4 36. Nf3 Bh6 37. Rc7 h4 38. Kh2 Re8 39. Ng5 Bxg5 40. fxg5 f4 41. Bg1 h3 42. gxh3 Rg3 43. R1c3 Nf5 44. Rc8 Rxc8 45. Rxc8+ Kf7 46. Qc2 Kg6 47. h4 Nxh4 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.07"]
[Round "2"]
[White "Alvarez Angel, Nelson Eduardo"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "A68"]
[WhiteElo "1854"]
[BlackElo "2204"]
[PlyCount "86"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Bd3 c5 7. d5 e6 8. Nf3 exd5 9. cxd5 Bg4 10. 0-0 Re8 11. h3 Bxf3 12. Qxf3 a6 13. a4 Qa5 14. Bd2 c4 15. Bc2 Nbd7 16. Kh1 Qc7 17. Rae1 Rab8 18. Nd1 b5 19. axb5 axb5 20. Bc3 b4 21. Bd4 Nb6 22. Ne3 Nfd7 23. Bxg7 Kxg7 24. f5 Ne5 25. f6+ Kh8 26. Qf4 Rg8 27. Qg5 b3 28. Rf4 Nbd7 29. Rh4 Nf8 30. Bb1 c3 31. bxc3 Qxc3 32. Rf1 Qd2 33. Rd1 Qe2 34. Qg3 Rc8 35. Re1 Qd2 36. Rf4 Rc3 37. Qf2 Qxf2 38. Rxf2 Nfd7 39. Kh2 Ra8 40. Rff1 h6 41. Nd1 Rc1 42. Nb2 Rxe1 43. Rxe1 Nxf6 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.07"]
[Round "3"]
[White "Contreras, Henry"]
[Black "Pardo Sierra, Aurelio"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2204"]
[BlackElo "1988"]
[PlyCount "67"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. f4 e6 7. Nf3 Nd7 8. Be2 Bd6 9. 0-0 Ne7 10. Ng5 Nf6 11. c4 h5 12. Bf3 Nf5 13. Nxf5 Bxf5 14. h3 h4 15. Kh1 Kf8 16. Be3 Qc7 17. Qd2 Nh5 18. Bxh5 Rxh5 19. d5 exd5 20. cxd5 c5 21. Rac1 Rh6 22. Bxc5 Bxc5 23. b4 b6 24. bxc5 bxc5 25. Rfd1 Rd6 26. Qf2 Rc8 27. Qxh4 Rh6 28. Qf2 Qd7 29. Kh2 c4 30. Qd4 Bd3 31. Ne4 Re8 32. Nc5 Qf5 33. Nxd3 cxd3 34. Rxd3 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.06"]
[Round "1"]
[White "Contreras, Henry"]
[Black "Suarez Espinosa, Luis Alberto"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2204"]
[BlackElo "1821"]
[PlyCount "30"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[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 g6 3. d3 Bg7 4. g3 Nc6 5. Bg2 Nf6 6. 0-0 d5 7. Nbd2 0-0 8. Re1 Re8 9. Qe2 Bg4 10. c3 Qc8 11. Nf1 Ne5 12. h4 c4 13. exd5 Nxd3 14. Rd1 Nxd5 15. N1h2 Bh5 1/2-1/2

[Event "COL-chT"]
[Site "Ibague"]
[Date "2018.10.13"]
[Round "5.1"]
[White "Contreras, Henry"]
[Black "Sanchez, Sebastian Felipe"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2184"]
[BlackElo "2424"]
[PlyCount "55"]
[EventDate "2018.10.11"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. b3 0-0 13. Bb2 Bd7 14. Rc1 Ng4 15. Ng3 g6 16. Re1 Rf6 17. Nf1 Raf8 18. h3 Nh6 19. Ne3 Rxf3 20. gxf3 Qd8 21. a3 Qh4 22. Bf1 Qf4 23. Bg2 Nf5 24. Ng4 Nfxd4 25. Rc3 Qg5 26. Rd3 Nf5 27. Rxd5 exd5 28. f4 1-0

[Event "COL-chT"]
[Site "Ibague"]
[Date "2018.10.13"]
[Round "6.1"]
[White "Panesso Rivera, Henry"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2395"]
[BlackElo "2184"]
[PlyCount "71"]
[EventDate "2018.10.11"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]
[WhiteTeam "Antioquia"]
[BlackTeam "Meta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. 0-0-0 Nbd7 11. Be2 0-0 12. Qg3 Rb8 13. Bf3 Re8 14. Rhe1 Nb6 15. e5 dxe5 16. fxe5 Nh7 17. Bxe7 Rxe7 18. Ne4 Bd7 19. Nd6 Nf8 20. Rd3 Bc6 21. Rc3 Na4 22. Rc4 Nb6 23. Nxc6 bxc6 24. Rxc6 Qd8 25. Rd1 Rd7 26. Be4 a5 27. Rd3 Qe7 28. Rb3 Qd8 29. Qe3 Nd5 30. Bxd5 exd5 31. Rxb8 Qxb8 32. Rc8 Qb4 33. e6 fxe6 34. Qxe6+ Kh7 35. Rxf8 Rxd6 36. Qe8 1-0

[Event "COL-chT"]
[Site "Ibague"]
[Date "2018.10.12"]
[Round "4.1"]
[White "Contreras, Henry"]
[Black "Rodriguez, Luis Alejandro"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2184"]
[BlackElo "1892"]
[PlyCount "91"]
[EventDate "2018.10.11"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Magdalena"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 a6 3. a4 e6 4. d3 b6 5. g3 Bb7 6. Bg2 Nf6 7. 0-0 Be7 8. Re1 d5 9. e5 Ng8 10. h4 h5 11. Bf4 Nh6 12. Nbd2 Nf5 13. c3 Nc6 14. Nf1 d4 15. c4 Nb4 16. Qe2 Qc7 17. Rec1 a5 18. N1d2 0-0-0 19. Ne4 Kb8 20. b3 Ka7 21. Kf1 Rdg8 22. Ke1 Qc6 23. Kd2 Rf8 24. Ne1 Qe8 25. Nc2 Nxc2 26. Kxc2 Qa8 27. Bh1 Ka6 28. Rg1 Rd8 29. Rae1 Rd7 30. Kb2 Bc6 31. Qd1 Bb7 32. Bf3 g6 33. Bh1 Bc6 34. Nd2 Rhd8 35. Be4 Rh8 36. Rh1 Rc7 37. Nb1 Bd8 38. Na3 Bxe4 39. dxe4 Ne7 40. Bd2 Rd7 41. f4 Nc6 42. Nb5 Bc7 43. Rhf1 Bb8 44. Rf3 Rhd8 45. Kc2 d3+ 46. Kb2 1-0

[Event "COL-chT"]
[Site "Ibague"]
[Date "2018.10.12"]
[Round "3.1"]
[White "Torres, Richard"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1803"]
[BlackElo "2184"]
[PlyCount "88"]
[EventDate "2018.10.11"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]
[WhiteTeam "Cauca II"]
[BlackTeam "Meta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nc3 a6 3. a4 b6 4. Bc4 e6 5. Nf3 Bb7 6. d4 cxd4 7. Nxd4 d6 8. 0-0 Nf6 9. Re1 Nbd7 10. f4 Rc8 11. Qe2 Nb8 12. Nf3 Be7 13. Bd3 g6 14. f5 e5 15. Bg5 Rc5 16. Be3 Rxc3 17. bxc3 Nxe4 18. Bxe4 Bxe4 19. f6 Bxf6 20. Bg5 Bxf3 21. Bxf6 Bxe2 22. Bxd8 Kxd8 23. Rxe2 Kc7 24. a5 b5 25. c4 bxc4 26. Re4 Nc6 27. Rxc4 Rb8 28. Ra3 d5 29. Rc5 Kd6 30. Rac3 Nd4 31. Kf2 e4 32. Rc7 Rb2 33. Rxf7 Nxc2 34. Rxh7 d4 35. Rc8 Ne3+ 36. Ke1 d3 37. Rd8+ Ke6 38. Re8+ Kf6 39. Rf8+ Kg5 40. Rf2 Nxg2+ 41. Kf1 Rxf2+ 42. Kxf2 e3+ 43. Kxg2 d2 44. Rd7 e2 0-1

[Event "COL-chT"]
[Site "Ibague"]
[Date "2018.10.11"]
[Round "2.1"]
[White "Contreras, Henry"]
[Black "Diaz, Jaime Walter"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2184"]
[BlackElo "2132"]
[PlyCount "43"]
[EventDate "2018.10.11"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]
[WhiteTeam "Meta"]
[BlackTeam "Tolima Cajamarca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nc6 8. 0-0 Nxd4 9. Qxd4 Rc8 10. Re1 b4 11. Nd5 Bxd5 12. exd5 Rxc2 13. Qd3 Qc8 14. Be4 Rc4 15. Bg5 h6 16. Rac1 Rxc1 17. Rxc1 Bc5 18. dxe6 hxg5 19. exf7+ Ke7 20. fxg8N+ Rxg8 21. Qd2 Kf6 22. h4 1-0

[Event "COL-chT"]
[Site "Ibague"]
[Date "2018.10.11"]
[Round "1.1"]
[White "Escobar Forero, Alder"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2469"]
[BlackElo "2184"]
[PlyCount "50"]
[EventDate "2018.10.11"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]
[WhiteTeam "Risaralda"]
[BlackTeam "Meta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. b3 Nf6 3. e5 Nd5 4. Bb2 Nc6 5. Nf3 a6 6. Bc4 Nc7 7. Ng5 e6 8. f4 Be7 9. Qh5 Bxg5 10. fxg5 b6 11. Nc3 Nxe5 12. Ne4 d6 13. 0-0 Rf8 14. Rae1 Bb7 15. Nxd6+ Qxd6 16. Bxe5 Qc6 17. Re2 0-0-0 18. Rxf7 Rxf7 19. Qxf7 Nd5 20. Bxg7 Qd7 21. Qxe6 Qxe6 22. Rxe6 Nf4 23. Rxb6 Rxd2 24. Be5 Rxg2+ 25. Kf1 Rxg5 1-0

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2018.02.16"]
[Round "3"]
[White "Contreras, Henry"]
[Black "Garavito, Miguel Angel"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2193"]
[BlackElo "2239"]
[PlyCount "80"]
[EventDate "2018.02.15"]
[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. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 8. c4 0-0-0 9. 0-0 c5 10. Nb3 Be6 11. Na3 b6 12. Bd2 Ne7 13. Bc3 Nc6 14. Rfd1 Rxd1+ 15. Rxd1 f6 16. Nc1 Bd6 17. b3 Rd8 18. g3 Bg4 19. Rd3 f5 20. Bxg7 fxe4 21. Rd5 Nb4 22. Rd2 Bf3 23. Nb1 Rg8 24. Bc3 Bf4 25. Kf1 Bxd2 26. Nxd2 Rd8 27. Bxb4 cxb4 28. Ke1 c5 29. Ne2 b5 30. h4 Kb7 31. Ng1 bxc4 32. bxc4 Rd3 33. Ne2 a5 34. Nc1 Rc3 35. Ncb3 Kb6 36. Nxf3 exf3 37. Kd2 a4 38. Nc1 Rxc4 39. Nd3 Rd4 40. Ke3 a3 0-1

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2018.02.16"]
[Round "3"]
[White "Torres Cueto, Jesus Marcial"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1977"]
[BlackElo "2193"]
[PlyCount "72"]
[EventDate "2018.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. e4 b6 3. Nc3 Bb7 4. Bd3 Bb4 5. Nge2 Nf6 6. 0-0 c5 7. e5 cxd4 8. Nxd4 Nd5 9. Qg4 Qe7 10. Qxg7 Qf8 11. Qxf8+ Bxf8 12. Ne4 Nc6 13. Nb5 Nxe5 14. Bg5 Nxd3 15. Nbd6+ Bxd6 16. Nxd6+ Kf8 17. Nxb7 Nxb2 18. Nd6 f6 19. Bd2 Ke7 20. c4 Kxd6 21. cxd5 e5 22. Bb4+ Kxd5 23. Rab1 Nc4 24. Rfd1+ Kc6 25. Rbc1 d5 26. f4 Rhg8 27. Be7 Rg6 28. f5 Rh6 29. Rd3 Re8 30. Bb4 Rh5 31. g4 Rg8 32. Rg3 Rhg5 33. h3 Rxf5 34. Kg2 Rf4 35. Bd2 Re4 36. Rf3 Re2+ 0-1

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2018.02.15"]
[Round "1"]
[White "Contreras, Henry"]
[Black "Pardo, Aurelio"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2193"]
[BlackElo "2045"]
[PlyCount "54"]
[EventDate "2018.02.15"]
[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 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 e6 7. Nf4 Bd6 8. c3 Qc7 9. Qf3 Ne7 10. Bc4 Nd5 11. Nxg6 hxg6 12. h3 Nf6 13. Bg5 Nbd7 14. 0-0-0 Nb6 15. Bb3 Nbd5 16. Ne2 b5 17. Kb1 a5 18. c4 bxc4 19. Bxc4 Rb8 20. Ka1 Rb4 21. Rc1 Qb7 22. Rc2 Nd7 23. Bd2 N7b6 24. Bxd5 Nxd5 25. Bxb4 axb4 26. Rhc1 0-0 27. Rxc6 Qb8 1-0

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.07"]
[Round "9"]
[White "Contreras, Henry"]
[Black "Jimenez, Jose Mauricio"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2182"]
[BlackElo "2272"]
[PlyCount "65"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. g3 Nf6 6. Nc3 e6 7. Bg2 a6 8. 0-0 Be7 9. a4 d6 10. Kh1 Bd7 11. Nb3 Ne5 12. f4 Nc4 13. Qe2 0-0 14. g4 Ne8 15. g5 f6 16. h4 Rc8 17. Nd2 fxg5 18. fxg5 g6 19. Rxf8+ Bxf8 20. Nxc4 Qxc4 21. Qxc4 Rxc4 22. Bd2 Bg7 23. Bf1 Bxc3 24. Bxc4 Bxd2 25. Kg2 Bf4 26. c3 Be5 27. Rf1 Nc7 28. a5 Bc6 29. Bd3 Ne8 30. Bc2 Ng7 31. Rf3 d5 32. Re3 d4 33. Rf3 0-1

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.06"]
[Round "7"]
[White "Contreras, Henry"]
[Black "Cifuentes, John Jairo"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2182"]
[BlackElo "2232"]
[PlyCount "151"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 h5 8. Bg5 Be7 9. Bg2 Be6 10. Nd2 Qb6 11. Be3 Qd8 12. Nf1 Nbd7 13. h3 Rc8 14. Qd2 Nb6 15. Bxb6 Qxb6 16. 0-0-0 Rc4 17. Ne3 Rb4 18. b3 Rd4 19. Qe2 Qc5 20. Kb2 0-0 21. f4 Rc8 22. Rd3 d5 23. exd5 e4 24. Nxe4 Nxe4 25. Bxe4 Rxe4 26. dxe6 Bf6+ 27. Kb1 Rxe6 28. Qd2 Bc3 29. Rd8+ Rxd8 30. Qxd8+ Kh7 31. Qd3+ g6 32. Nd5 Bg7 33. Rd1 Qa3 34. c3 b5 35. g4 h4 36. g5 b4 37. f5 bxc3 38. Qc2 Rc6 39. f6 Bf8 40. Rd3 Qa5 41. a4 Rd6 42. Qd1 Qc5 43. Nxc3 Qxc3 44. Rxd6 Bxd6 45. Qxd6 Qxb3+ 46. Kc1 Qe3+ 47. Qd2 Qxh3 48. Kb2 Qf5 49. Qe3 Qe6 50. Qf4 Qe2+ 51. Kc3 Qe1+ 52. Kb2 a5 53. Qc7 Qb4+ 54. Kc1 Qe1+ 55. Kc2 Qe6 56. Qe7 Qc8+ 57. Kd2 Kg8 58. Qe4 Qd7+ 59. Kc3 Qc8+ 60. Kd4 Qd7+ 61. Kc3 Qc7+ 62. Kd2 Qd6+ 63. Kc2 Qc5+ 64. Kd1 Qd6+ 65. Kc2 h3 66. Qh4 h2 67. Qh6 Qf8 68. Qxh2 Qc5+ 69. Kd3 Qa3+ 70. Ke4 Qxa4+ 71. Kd5 Qb5+ 72. Ke4 Qxg5 73. Qb8+ Kh7 74. Qa7 Qxf6 75. Qxa5 g5 76. Qc7 0-1

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.06"]
[Round "8"]
[White "Muelas Ceballos, Jhon Estiven"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "1761"]
[BlackElo "2182"]
[PlyCount "82"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Nge2 c5 7. Be3 Nc6 8. dxc5 dxc5 9. Qxd8 Rxd8 10. Bxc5 Be6 11. Nd5 Bxd5 12. cxd5 Nd7 13. Ba3 Nce5 14. Ng3 e6 15. dxe6 fxe6 16. Be2 Nb6 17. Rc1 h5 18. h4 Bh6 19. Rc2 Rac8 20. Rxc8 Rxc8 21. Bd6 Bf4 22. Bxe5 Bxe5 23. Kf2 Rc2 24. Rd1 Bxg3+ 25. Kxg3 Rxe2 26. Rd8+ Kf7 27. Rb8 Rxb2 28. Rxb7+ Kf6 29. Rxa7 Nc4 30. f4 e5 31. Ra6+ Rb6 32. Ra4 Rc6 33. Kf3 Nd6 34. fxe5+ Kxe5 35. Ra5+ Ke6 36. a4 Rc4 37. Ra6 Rb4 38. g4 hxg4+ 39. Kxg4 Kd7 40. Kg5 Nxe4+ 41. Kxg6 Rb7 0-1

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.05"]
[Round "6"]
[White "Martinez, Jorge Alexander"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "2265"]
[BlackElo "2182"]
[PlyCount "62"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 Nc6 7. 0-0 a6 8. Re1 Rb8 9. a4 Nb4 10. e4 Bg4 11. h3 Bxf3 12. Bxf3 e5 13. d5 a5 14. h4 Nd7 15. Be3 f5 16. Bg5 Bf6 17. Qd2 Bxg5 18. hxg5 Nc5 19. Rad1 f4 20. Kg2 Qxg5 21. Rh1 Nb3 22. Qe2 fxg3 23. Qe3 Qf6 24. fxg3 Nc2 25. Qd3 Nc5 26. Qxc2 Qxf3+ 27. Kh3 Rf4 28. Kh2 Nxe4 29. Rd3 Qh5+ 30. Kg2 Rf2+ 31. Qxf2 Qxh1+ 0-1

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.04"]
[Round "5"]
[White "Contreras, Henry"]
[Black "Mena, Yamil Octavio"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2182"]
[BlackElo "1923"]
[PlyCount "117"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nge7 5. Nb5 d6 6. Bg5 h6 7. Be3 g5 8. c4 Bg7 9. Qd2 Ng6 10. N1c3 a6 11. Nd4 Nce5 12. h3 0-0 13. 0-0-0 Be6 14. Nxe6 fxe6 15. c5 Qf6 16. g3 Nf3 17. Qc2 dxc5 18. Bxc5 Rfd8 19. Bc4 b6 20. Be3 Nge5 21. Be2 c5 22. Rxd8+ Rxd8 23. Bxa6 Nc6 24. Bc4 Nfd4 25. Qa4 Na5 26. Kb1 Kh8 27. f4 Nf3 28. Rd1 gxf4 29. gxf4 Nd4 30. e5 Qf5+ 31. Bd3 Qxh3 32. Bxd4 cxd4 33. Ne2 Qe3 34. Qb5 Qf3 35. Qxb6 Nc6 36. Qb3 Qh3 37. Be4 Qg4 38. Qf3 Nxe5 39. fxe5 Qxf3 40. Bxf3 Bxe5 41. Kc2 d3+ 42. Rxd3 Rxd3 43. Kxd3 Bxb2 44. a4 Kg7 45. a5 Be5 46. Nd4 Bb8 47. a6 Ba7 48. Nc6 Bb6 49. Ke4 Kf6 50. Kf4 Bc7+ 51. Ke4 Bb6 52. Bg4 Bc5 53. a7 Bxa7 54. Nxa7 e5 55. Nc6 Kg5 56. Nxe5 h5 57. Bf3 h4 58. Bg4 h3 59. Bxh3 1-0

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.04"]
[Round "4"]
[White "Martinez Cardona, Cristian Andres"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1995"]
[BlackElo "2182"]
[PlyCount "74"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 0-0 5. e4 d6 6. Bg5 h6 7. Bxf6 Bxf6 8. Qd2 Bg7 9. h4 Bg4 10. Be2 c5 11. dxc5 dxc5 12. Qxd8 Rxd8 13. Nd5 Nc6 14. Rb1 Bd7 15. a3 e6 16. Ne3 Nd4 17. b4 Bc6 18. Nd2 cxb4 19. axb4 Nxe2 20. Kxe2 Bc3 21. Rhd1 Bxd2 22. Rxd2 Rxd2+ 23. Kxd2 Rd8+ 24. Ke2 Bxe4 25. Rb3 a6 26. f3 Bc6 27. Ng4 Kg7 28. Ne5 Be8 29. g4 f6 30. Nd3 e5 31. Nc5 Bf7 32. Rc3 b5 33. cxb5 axb5 34. Nb7 Rd7 35. Na5 Rd4 36. Rc7 Rxb4 37. Nc6 Rc4 0-1

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.03"]
[Round "2"]
[White "Agudelo Pineres, Oscar Marino"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1992"]
[BlackElo "2182"]
[PlyCount "134"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nbd2 Nc6 7. c4 e5 8. d5 Ne7 9. e4 c5 10. Nh4 Bg4 11. Qb3 Qc8 12. Re1 Nh5 13. Nf1 Rb8 14. Ne3 Bd7 15. Qd1 a6 16. b3 b5 17. Bb2 Bh6 18. cxb5 axb5 19. Rc1 Ra8 20. a3 Ng7 21. Rc2 f5 22. Nf1 fxe4 23. Bxe4 Ngf5 24. Nf3 Qd8 25. Bc1 Qa5 26. Bb2 Qd8 27. Nxe5 dxe5 28. d6 Nc6 29. Rxc5 Rc8 30. Bxc6 Bxc6 31. Rxc6 Rxc6 32. Qd5+ Rf7 33. Qxc6 Qxd6 34. Qxd6 Nxd6 35. Bxe5 Re7 36. Bc3 Rc7 37. Bb4 Nf5 38. Re5 Nd4 39. Rd5 Bg7 40. Ne3 h5 41. Kg2 Rb7 42. Rd6 Kf7 43. Nd5 Nxb3 44. Nf4 Be5 45. Rd3 Nd4 46. Nh3 Nc2 47. f4 Bf6 48. Bc3 Ra7 49. Bb4 Nxb4 50. axb4 Ra2+ 51. Nf2 Rb2 52. Kf3 Rxb4 53. Ne4 Be7 54. Rd7 Rb3+ 55. Kg2 b4 56. Ng5+ Ke8 57. Rb7 Rd3 58. Rb8+ Kd7 59. Nf3 Kc7 60. Rb5 b3 61. Kf2 Kc6 62. Ne5+ Kxb5 63. Nxd3 Kc4 64. Ke2 Kc3 65. Nf2 Bc5 66. Nd1+ Kc2 67. h3 Bd4 0-1

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.03"]
[Round "3"]
[White "Contreras, Henry"]
[Black "Gallego Alcaraz, Andres Felipe"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2182"]
[BlackElo "2440"]
[PlyCount "62"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. a4 Nf6 7. N1c3 a6 8. Na3 Bg4 9. f3 Be6 10. Bg5 Nb4 11. Bc4 Be7 12. Qd2 Rc8 13. Bxe6 fxe6 14. 0-0-0 0-0 15. Kb1 Qd7 16. Rde1 Rfd8 17. f4 exf4 18. Bxf4 d5 19. Bg5 d4 20. e5 Ne4 21. Nd1 Nd5 22. Bxe7 Qxe7 23. Rxe4 Nc3+ 24. bxc3 dxc3 25. Qc1 Rxd1 26. Qxd1 Qxa3 27. Qc1 Qf8 28. Qf4 Qa3 29. Qc1 Qf8 30. Qf4 Qe8 31. Ka2 Qd8 0-1

[Event "COL sub zt 2.3.4"]
[Site "La Dorada"]
[Date "2016.11.02"]
[Round "1"]
[White "Contreras, Henry"]
[Black "Cedeno, Romulo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2182"]
[BlackElo "1878"]
[PlyCount "53"]
[EventDate "2016.11.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 Nf6 5. Nf3 e6 6. d4 Be7 7. Qe2 c6 8. a4 Nbd7 9. 0-0 0-0 10. Rd1 Nb6 11. Bb3 Qc7 12. Bg5 Nfd5 13. Ne4 Bxg5 14. Nfxg5 Qf4 15. g3 Qf5 16. f4 h6 17. Nf3 Qg4 18. Nf2 Qh5 19. a5 Nd7 20. c4 Nc7 21. g4 Qg6 22. Bc2 f5 23. h4 Qf6 24. g5 hxg5 25. hxg5 Qf7 26. Nd3 Qh5 27. Kf2 1-0

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.29"]
[Round "8"]
[White "Contreras, Henry"]
[Black "Arango, Andres Mauricio"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2197"]
[BlackElo "2080"]
[PlyCount "68"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Bxf6 gxf6 10. Na3 b5 11. Nd5 f5 12. c3 Bg7 13. exf5 Bxf5 14. Nc2 Be6 15. Nce3 Ne7 16. a4 Nxd5 17. Nxd5 0-0 18. Be2 bxa4 19. Rxa4 a5 20. 0-0 Rb8 21. b3 f5 22. Bc4 Kh8 23. Qd2 e4 24. Rfa1 Bxd5 25. Bxd5 Rc8 26. Rc1 Qf6 27. Rc2 Rxc3 28. Rxa5 Rd3 29. Qe2 Qd4 30. g3 e3 31. Bc4 Rd1+ 32. Kg2 exf2 33. Qxf2 Qe4+ 34. Kh3 Rf6 0-1

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.29"]
[Round "7"]
[White "Mateus Urbano, Luis Alejandro"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2279"]
[BlackElo "2197"]
[PlyCount "75"]
[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. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 e5 6. Nf3 exd4 7. Qxd4 Nf6 8. Nc3 Qxd4 9. Nxd4 a6 10. Bg5 Be7 11. 0-0-0 0-0 12. Be2 Bd7 13. Bf3 Nc6 14. Nxc6 Bxc6 15. Bxc6 bxc6 16. Kc2 h6 17. Bh4 Rfe8 18. Rhe1 g5 19. Bg3 Kh7 20. h3 Kg6 21. Be5 Bb4 22. g4 Re6 23. a3 Bf8 24. Bxf6 Rxf6 25. Re2 h5 26. Rd3 hxg4 27. hxg4 Rb8 28. f3 Bg7 29. Re7 c5 30. Red7 Kh7 31. Ne4 Rfb6 32. b3 c4 33. bxc4 Rb2+ 34. Kd1 Ra2 35. Rd2 Rxa3 36. Rxf7 Kg6 37. Rf5 Ra1+ 38. Ke2 1-0

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.28"]
[Round "6"]
[White "Contreras, Henry"]
[Black "Alvarez, Alvaro"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2197"]
[BlackElo "2040"]
[PlyCount "83"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Be3 Bf5 8. Rc1 Bf6 9. b3 Nc6 10. Be2 0-0 11. Nf3 a5 12. 0-0 d5 13. c5 Nc8 14. Bf4 N8a7 15. h3 Re8 16. Re1 Be4 17. Be3 Qd7 18. Qd2 Rad8 19. a3 Qf5 20. Qa2 b6 21. cxb6 cxb6 22. Red1 Rd6 23. Ne1 Qg6 24. Qd2 h6 25. Nxe4 dxe4 26. d5 Ne5 27. Qc2 Bd8 28. b4 axb4 29. Qa4 Re7 30. axb4 f5 31. Qa2 Qf6 32. Qd2 Red7 33. f4 Nf7 34. Qa2 Qh4 35. Bc4 Kf8 36. Qf2 Qh5 37. Nc2 Bh4 38. Qd2 g5 39. Nd4 Qg6 40. Ne6+ Rxe6 41. dxe6 Rxd2 42. Rxd2 1-0

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.27"]
[Round "4"]
[White "Contreras, Henry"]
[Black "Salcedo Perez, Pablo Esteban"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2197"]
[BlackElo "2001"]
[PlyCount "85"]
[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 a6 6. f4 e6 7. Qf3 Nbd7 8. g4 h6 9. Nde2 Qc7 10. h4 b5 11. a3 d5 12. e5 Ne4 13. Nxe4 dxe4 14. Qc3 Qb8 15. Be3 b4 16. Qb3 Bb7 17. axb4 Bd5 18. Qa4 Bxb4+ 19. c3 Be7 20. b4 Qc7 21. Rh3 0-0 22. g5 h5 23. Qa5 Qc6 24. Bd2 Bd8 25. Nd4 Qb7 26. Bxa6 Qb8 27. Qa3 Bb6 28. Be3 Bxd4 29. Bxd4 Bc4 30. Bxc4 Rxa3 31. Rxa3 Qc7 32. Be2 g6 33. Ra7 Qc6 34. c4 Rd8 35. b5 Qc8 36. Rha3 Nb8 37. Be3 Rd7 38. c5 Rd5 39. Rc3 Qf8 40. Kf2 Nd7 41. c6 Nc5 42. c7 Kh7 43. b6 1-0

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.27"]
[Round "5"]
[White "Mosquera Klinger, Miguel Alonso"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2383"]
[BlackElo "2197"]
[PlyCount "33"]
[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. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 Bg4 7. Nc3 Bxf3 8. gxf3 Qxd4 9. Qxd4 Nxd4 10. Nb5 0-0-0 11. Nxd4 Rxd4 12. Be3 Ra4 13. Bb5 Rb4 14. Rc1+ Kd8 15. 0-0 e6 16. Rfd1+ Ke7 17. Bg5+ 1-0

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.26"]
[Round "2"]
[White "Contreras, Henry"]
[Black "Morales, Jhon Alexander"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2197"]
[BlackElo "2319"]
[PlyCount "100"]
[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 e6 3. d3 d5 4. Nbd2 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. 0-0 0-0 8. Re1 Bc7 9. h4 f5 10. h5 dxe4 11. dxe4 f4 12. g4 e5 13. Bh3 Kh8 14. Kh2 Be6 15. b3 Ng8 16. g5 Bxh3 17. Kxh3 Qc8+ 18. Kh4 Nh6 19. Rg1 Nf7 20. Rg4 Bd8 21. Nc4 Be7 22. Bb2 Rd8 23. Qg1 Qe6 24. a4 h6 25. Kh3 hxg5 26. Kh2 Qh6 27. Kg2 Bf6 28. Qh1 Rd7 29. Re1 Rad8 30. Qh3 b6 31. Kh2 Kg8 32. Rgg1 g6 33. hxg6 Qxg6 34. Qe6 Qh5+ 35. Kg2 g4 36. Nh2 g3 37. Nf3 Kg7 38. fxg3 Qxf3+ 39. Kxf3 Ng5+ 40. Kf2 Nxe6 41. gxf4+ Kf7 42. f5 Bh4+ 43. Ke3 Ned4 44. Rc1 Rh8 45. Bxd4 cxd4+ 46. Ke2 Bf6 47. Rg2 Rh3 48. Nd2 Rd8 49. c4 d3+ 50. Kf2 Rdh8 0-1

[Event "COL pre olympic sf"]
[Site "Bogota"]
[Date "2016.05.26"]
[Round "3"]
[White "Obando Guzman, Soren Federico"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1992"]
[BlackElo "2197"]
[PlyCount "42"]
[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 a6 6. h3 e5 7. Nde2 h5 8. g3 Be7 9. Bg2 Be6 10. 0-0 Nc6 11. a4 Nb4 12. Bg5 Rc8 13. Qd2 Qc7 14. Bxf6 Bxf6 15. Kh2 Qd8 16. Rac1 h4 17. Nd5 hxg3+ 18. fxg3 Nxd5 19. exd5 Bg5 20. Qd3 Bd7 21. Rce1 Bxa4 0-1

[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 pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.26"]
[Round "8"]
[White "Contreras, Henry"]
[Black "Prieto, Ernesto"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2167"]
[BlackElo "2052"]
[PlyCount "41"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Ne4 7. Nd2 Nxd2 8. Bxd2 Bc5 9. Bd3 0-0 10. 0-0 Qh4 11. Qf3 Rb8 12. Rae1 Bb7 13. g3 Qe7 14. Re4 Bb6 15. Qh5 g6 16. Qh6 f5 17. Bc4+ Kh8 18. Rh4 Qg7 19. Rd1 f4 20. Qxg7+ Kxg7 21. Bxf4 1-0

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.24"]
[Round "4"]
[White "Contreras, Henry"]
[Black "Rios, Cristhian Camilo"]
[Result "0-1"]
[ECO "B82"]
[WhiteElo "2167"]
[BlackElo "2459"]
[PlyCount "162"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Nc6 7. Be3 Be7 8. Nb3 a6 9. Qf3 Qc7 10. g4 b5 11. g5 Nd7 12. 0-0-0 Bb7 13. Kb1 b4 14. Ne2 Rc8 15. Ng3 a5 16. Bb5 Ncb8 17. Qe2 Bc6 18. Nd4 Nc5 19. Nxc6 Nxc6 20. f5 Rb8 21. e5 d5 22. f6 gxf6 23. exf6 Bd6 24. Rxd5 exd5 25. Bxc5+ Kd7 26. Qg4+ Kd8 27. Bxd6 Qxd6 28. Nf5 Qc5 29. Bxc6 Qxc6 30. Ne7 Qd7 31. Qf3 Re8 32. Rd1 Rb5 33. b3 Rxe7 34. fxe7+ Ke8 35. Qf6 Qe6 36. Qh8+ Kxe7 37. Qxh7 Qe4 38. Qh3 Rc5 39. Qd3 Ke6 40. Qd2 Kd6 41. Qf2 Rc3 42. Re1 Qg6 43. Qb6+ Kd7 44. Qf2 Kc6 45. Re7 Qxg5 46. Rxf7 Re3 47. Rf6+ Kb7 48. Rf7+ Kc6 49. Qf1 Kb6 50. Qf6+ Qxf6 51. Rxf6+ Kb5 52. h4 Rh3 53. Rh6 Rh1+ 54. Kb2 Rh2 55. Rh8 d4 56. Kc1 Kb6 57. h5 Kc7 58. h6 Kb7 59. Kd1 Ka7 60. h7 Kb7 61. Ke1 Ka7 62. Kf1 Kb7 63. Kg1 Rh4 64. Kg2 Ka7 65. Kg3 Rh1 66. Kg4 Kb7 67. Kf5 Ka7 68. Ke5 Rh4 69. Kd5 Kb7 70. Kc5 Ka7 71. Kc6 Rh6+ 72. Kb5 Rh5+ 73. Ka4 Kb7 74. a3 bxa3 75. Kxa3 Rh4 76. Ka4 d3+ 77. c4 Kc7 78. Rg8 Rxh7 79. Kxa5 d2 80. Rg1 Kc6 81. b4 Ra7# 0-1

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.23"]
[Round "2"]
[White "Contreras, Henry"]
[Black "Gamboa, Nelson"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2167"]
[BlackElo "2332"]
[PlyCount "102"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. f3 Qa5 8. Be3 Nxd4 9. Bxd4 e5 10. Be3 Be7 11. Bc4 0-0 12. Qd2 Be6 13. Nd5 Qxd2+ 14. Kxd2 Bxd5 15. Bxd5 Nxd5 16. exd5 Rfc8 17. Kd3 f5 18. Rhc1 Bf6 19. Rab1 Rc7 20. c4 b6 21. a4 Re8 22. b3 e4+ 23. fxe4 Rxe4 24. Re1 g5 25. Rf1 Rce7 26. Rbe1 Bd4 27. Bd2 Rxe1 28. Rxe1 Rxe1 29. Bxe1 Bg1 30. h3 Kf7 31. a5 h5 32. a6 g4 33. Bh4 f4 34. Ke4 Bh2 35. hxg4 hxg4 36. Bf2 Ke7 37. b4 Kd7 38. Bxb6 axb6 39. a7 f3 40. gxf3 g3 41. a8Q g2 42. Qc6+ Kd8 43. Qxb6+ Kd7 44. c5 g1Q 45. c6+ Ke8 46. Qxg1 Bxg1 47. Kf5 Bb6 48. Kg6 Be3 49. b5 Bb6 50. f4 Ke7 51. f5 Bd4 1-0

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.23"]
[Round "3"]
[White "Rios Parra, Alejandro"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2311"]
[BlackElo "2167"]
[PlyCount "50"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[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. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 a6 12. h4 h5 13. g4 hxg4 14. h5 gxh5 15. Qg5 Re8 16. Bxf6 exf6 17. Qxh5 Rc8 18. Rd3 Rc5 19. Qh7+ Kf8 20. f4 f5 21. e5 Rxc3 22. Rxd6 Re3 23. Bb5 Qa5 24. Bxe8 Rh3 25. Qxh3 gxh3 0-1

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.22"]
[Round "1"]
[White "Cruz Beltran, Andres Euclides"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B87"]
[WhiteElo "1733"]
[BlackElo "2167"]
[PlyCount "32"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bg5 b5 8. Bb3 Be7 9. Qd2 0-0 10. 0-0-0 h6 11. Bxf6 Bxf6 12. f4 Qc7 13. Ndxb5 axb5 14. Nxb5 Qb6 15. Nxd6 Rxa2 16. Kb1 Rxb2+ 0-1

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.21"]
[Round "7"]
[White "Becerra, Juan David"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2217"]
[BlackElo "2203"]
[PlyCount "91"]
[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. Nc3 e6 3. Bg5 h6 4. Bxf6 Qxf6 5. e4 d6 6. Nf3 a6 7. a4 b6 8. g3 Qd8 9. Bg2 Be7 10. 0-0 c5 11. Qe2 Nd7 12. Rfd1 0-0 13. d5 e5 14. Bh3 g6 15. Nd2 Rb8 16. Kh1 Bf6 17. f4 exf4 18. gxf4 Re8 19. Nf3 Bxc3 20. bxc3 Nf6 21. Bxc8 Nxe4 22. Be6 Nxc3 23. Qd3 Qf6 24. Rg1 c4 25. Qxc4 Kg7 26. f5 g5 27. Nxg5 hxg5 28. Rxg5+ Qxg5 29. Rg1 Qxg1+ 30. Kxg1 fxe6 31. Qxc3+ e5 32. Qg3+ Kf8 33. Qh4 Kg7 34. Qg5+ Kh8 35. Qh6+ Kg8 36. f6 Rb7 37. Qg6+ Kf8 38. Qh5 Reb8 39. Qh8+ Kf7 40. Qg7+ Ke8 41. Qg8+ Kd7 42. Qf7+ Kd8 43. Qf8+ Kd7 44. Qe7+ Kc8 45. Qe8+ Kc7 46. f7 1-0

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.19"]
[Round "3"]
[White "Motta Leon, Gerardo"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "2019"]
[BlackElo "2203"]
[PlyCount "72"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Kh1 0-0 9. f4 Qc7 10. Bf3 Nc6 11. Be3 Na5 12. Rb1 Nc4 13. Bc1 Rb8 14. b3 Na5 15. Bb2 Bd7 16. Qd3 b5 17. Rfe1 Rfd8 18. a3 Be8 19. f5 Qc8 20. Qd2 Nc6 21. Nce2 Ne5 22. fxe6 fxe6 23. Nf4 Bd7 24. Nd3 Nxf3 25. gxf3 e5 26. Ne2 Bc6 27. Ng3 Qh3 28. Nb4 Bb7 29. c4 Nh5 30. Qg2 Qxg2+ 31. Kxg2 Nf4+ 32. Kf1 bxc4 33. bxc4 a5 34. Nd5 Bxd5 35. cxd5 Rb3 36. Nf5 Rxf3+ 0-1

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.18"]
[Round "2"]
[White "Contreras, Henry"]
[Black "Vallejo, Humberto"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2203"]
[BlackElo "2132"]
[PlyCount "57"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 exd6 5. Nf3 Be7 6. Be2 0-0 7. 0-0 c5 8. h3 Nc6 9. c4 Nb6 10. d5 Na5 11. Na3 Bf6 12. Rb1 Bf5 13. Bd3 Nc8 14. b3 Qd7 15. Re1 Ne7 16. Bg5 Bxg5 17. Nxg5 h6 18. Nf3 Ng6 19. Qc2 Bxd3 20. Qxd3 a6 21. Qc3 b6 22. Nc2 Rae8 23. Ne3 f5 24. b4 cxb4 25. Rxb4 Re4 26. Rxb6 Rxe3 27. Qxa5 Rxe1+ 28. Qxe1 Re8 29. Qb4 1-0

[Event "Bogota Millonario op"]
[Site "Bogota"]
[Date "2015.12.18"]
[Round "1"]
[White "Cruz, Cristhian"]
[Black "Contreras, Henry"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2538"]
[BlackElo "2203"]
[PlyCount "41"]
[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. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bxf6 Bxf6 10. Nd5 Rxd5 11. cxd5 c6 12. Rc1 Bg5 13. Rc2 Be7 14. Nf3 f6 15. 0-0 c5 16. b4 Nd7 17. Bb5 b6 18. d6 Bf8 19. Rb1 Kf7 20. bxc5 Nxc5 21. Rxc5 1-0

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2015.12.12"]
[Round "5"]
[White "Contreras, Henry"]
[Black "Rivera, Alberto"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2203"]
[BlackElo "2344"]
[PlyCount "74"]
[EventDate "2015.12.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Bb4 7. Bd2 Nf6 8. Bg2 Nc6 9. Nxc6 bxc6 10. 0-0 Be7 11. Re1 e5 12. h3 0-0 13. Qe2 d6 14. Na4 h6 15. c4 Nd7 16. b4 Rd8 17. f4 Rb8 18. a3 Nb6 19. Nxb6 Qxb6+ 20. Kh2 Bf6 21. Be3 Qc7 22. f5 Bb7 23. Rac1 Qe7 24. c5 Bg5 25. cxd6 Rxd6 26. Red1 Rbd8 27. Rxd6 Rxd6 28. Rf1 Bxe3 29. Qxe3 Rd4 30. f6 Qd6 31. fxg7 Kxg7 32. Qf2 f6 33. Qf5 Rd2 34. h4 Qe7 35. Kh1 Rd8 36. Qg4+ Kh7 37. Rd1 Bc8 0-1

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2015.12.12"]
[Round "4"]
[White "Zapata Cuartas, Juan Carlos"]
[Black "Contreras, Henry"]
[Result "0-1"]
[ECO "E99"]
[WhiteElo "2086"]
[BlackElo "2203"]
[PlyCount "60"]
[EventDate "2015.12.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Nd3 Ng6 14. c5 h5 15. a4 Nf6 16. a5 g4 17. c6 g3 18. hxg3 fxg3 19. Bxg3 h4 20. Bh2 Nh5 21. f4 Ng3 22. f5 Bh6 23. cxb7 Bxb7 24. Rf3 Qg5 25. fxg6 Ba6 26. Bxg3 hxg3 27. Ne1 Qe3+ 28. Rxe3 Bxe3+ 29. Kh1 Kg7 30. Bf3 Rf4 0-1

