[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "7"]
[White "Estrada Velandia, Henry Andres"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2032"]
[BlackElo "2001"]
[PlyCount "52"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. cxd5 exd5 6. Bd3 Be7 7. Nge2 0-0 8. 0-0 Nbd7 9. Kh1 Re8 10. f3 c5 11. Bd2 Bf8 12. Rc1 b6 13. a3 Bb7 14. Ng3 g6 15. f4 cxd4 16. exd4 Ne4 17. Ncxe4 dxe4 18. Bc4 Nf6 19. Be3 Bd5 20. f5 Bg7 21. Bb5 Rf8 22. Bf4 e3 23. Qe2 Ne4 24. Qg4 Nf2+ 25. Rxf2 exf2 26. Rf1 Bxg2+ 0-1

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "4"]
[White "Guerra, Alvaro"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "E09"]
[WhiteElo "1936"]
[BlackElo "2001"]
[PlyCount "94"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. d4 Be7 5. Bg2 0-0 6. Qc2 c6 7. 0-0 Nbd7 8. Nbd2 b6 9. e4 Bb7 10. e5 Ne8 11. Rd1 c5 12. cxd5 Bxd5 13. Ne4 Rc8 14. Neg5 g6 15. Qd2 cxd4 16. Qxd4 Rxc1 17. Raxc1 Bxg5 18. Nxg5 Qxg5 19. f4 Qg4 20. Bxd5 exd5 21. Qxd5 Nc5 22. b4 Ne6 23. Rf1 N8g7 24. Qf3 h5 25. Qxg4 hxg4 26. Rfd1 Nf5 27. Rd7 a5 28. bxa5 bxa5 29. Ra7 Rd8 30. Rc2 Rd1+ 31. Kf2 Rh1 32. Rc8+ Kg7 33. Raa8 Nh6 34. Kg2 Rb1 35. Rc2 Nf5 36. Rcc8 Rb2+ 37. Kg1 Nh6 38. Rxa5 Nd4 39. Raa8 Nf3+ 40. Kf1 Nxh2+ 41. Ke1 Rg2 42. Rc7 Rxg3 43. Kf2 Rf3+ 44. Kg2 Nf1 45. e6 Ne3+ 46. Kg1 g3 47. Rc1 g2 0-1

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "6"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Blanco Fernandez, Lino Orlando"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2001"]
[BlackElo "2288"]
[PlyCount "87"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 f5 3. Bg2 h6 4. 0-0 Nf6 5. d3 d6 6. Bxh6 gxh6 7. Ne5 dxe5 8. Qd2 h5 9. Qc3 a6 10. a4 Nfd7 11. Qb3 Bh6 12. Rd1 Nc6 13. Bxc6 bxc6 14. Rd2 Nf6 15. e3 Nh7 16. Nc3 Bb7 17. Rdd1 Bf8 18. f3 e6 19. Rf1 Rg8 20. Rf2 Bc8 21. h4 Bd7 22. Rh2 Rb8 23. a5 Rxb3 24. cxb3 Bg7 25. Ra4 Bf6 26. e4 Bc8 27. exf5 exf5 28. g4 hxg4 29. fxg4 fxg4 30. Rg2 Bxh4 31. Rgxg4 Rxg4+ 32. Kf1 Rf4+ 33. Ke2 Bg4+ 34. Ke3 Rf6 35. Kd2 Rd6 36. Ne2 Nf6 37. Rf4 exf4 38. Nxf4 Bg5 39. Kc2 Bxf4 40. d4 cxd4 41. b4 Nd5 42. b5 cxb5 43. b4 Nxb4+ 44. Kb1 0-1

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "1"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Cotrino Torres, Lineth Sofia"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2001"]
[BlackElo "1544"]
[PlyCount "80"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Nc6 5. Bg2 Be7 6. 0-0 0-0 7. Nbd2 Re8 8. b3 Bb4 9. Bb2 Ne4 10. Rc1 Qf6 11. e3 Bd6 12. Qc2 Qf5 13. Nh4 Qf6 14. Nxe4 dxe4 15. Bxe4 Qh6 16. a3 f5 17. Bg2 Rf8 18. b4 Be7 19. Nf3 Bf6 20. d5 exd5 21. cxd5 Ne7 22. Nd4 c6 23. dxc6 bxc6 24. Nxc6 Nxc6 25. Bxc6 Rb8 26. Rfd1 Be6 27. Rd6 Be7 28. Rd2 Rbc8 29. b5 Rfd8 30. Rcd1 Rf8 31. a4 Bf6 32. Bd4 Rc7 33. Bc5 Re8 34. Bxe8 Be7 35. Bc6 Bxc5 36. Qxc5 g6 37. Rd8+ Kf7 38. Be8+ Kf6 39. Qxc7 Qf8 40. h4 Qa3 1-0

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "5"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2001"]
[BlackElo "2185"]
[PlyCount "61"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. 0-0 d5 9. Ne5 Nfd7 10. Nxd7 Nxd7 11. Bc3 Rc8 12. Nd2 0-0 13. e4 Bb7 14. Qc2 Qc7 15. Rac1 Rfd8 16. Rfd1 c5 17. exd5 exd5 18. Qf5 dxc4 19. d5 Bf6 20. Nxc4 Bxc3 21. Rxc3 g6 22. Qg5 Re8 23. d6 Qb8 24. Bh3 Rcd8 25. Re3 Bc6 26. Re7 Nf8 27. Rde1 b5 28. Qf6 Bd5 29. Be6 Bxe6 30. R1xe6 Rxe7 31. Rxe7 1-0

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "3"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Salcedo, Camilo"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "2001"]
[BlackElo "1842"]
[PlyCount "57"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Nbd7 6. 0-0 Be7 7. Nbd2 0-0 8. Qc2 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 12. Qc2 c5 13. Rd1 cxd4 14. Nxd4 Qb6 15. Nb5 a6 16. Be3 Bc5 17. Rd6 Qa5 18. Bxc5 axb5 19. b4 Qa4 20. Qxa4 bxa4 21. a3 e5 22. Rad1 Be6 23. Bxb7 Rab8 24. Bc6 Bxc4 25. Bxe8 Rxe8 26. Rd8 g6 27. Be7 Rxd8 28. Rxd8+ Kg7 29. Bf8+ 1-0

[Event "Bogota Centro Comercial op 2nd"]
[Site "Bogota"]
[Date "2024.04.14"]
[Round "2"]
[White "Rico Fajardo, Humberto"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "1734"]
[BlackElo "2001"]
[PlyCount "48"]
[EventDate "2024.04.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB16_2024"]
[SourceDate "2024.04.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. e5 Nd5 10. Be2 Bb7 11. 0-0 Nd7 12. Ne4 Qb6 13. a4 a6 14. a5 Qa7 15. Re1 Be7 16. Nd6+ Bxd6 17. exd6 0-0-0 18. Ne5 Rdf8 19. Bh5 Rh7 20. Qc2 f5 21. Nxd7 Kxd7 22. Qe2 f4 23. Qxe6+ Kd8 24. Qg6 Rhh8 0-1

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.23"]
[Round "7.1"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Escobar Forero, Alder"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2177"]
[BlackElo "2450"]
[PlyCount "74"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Risaralda"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Nf3 Nd7 11. Nh4 Bb4 12. Kd2 Nb6 13. b3 c5 14. Bd3 Rc8 15. Rhc1 c4 16. Bf5 Rc6 17. Rab1 a5 18. Kd1 Kd8 19. bxc4 dxc4 20. Nb5 Na4 21. a3 Rb6 22. Bc2 Bxc2+ 23. Rxc2 Rxb5 24. Rxc4 Rh5 25. axb4 b5 26. Rc2 Rxh4 27. bxa5 Rh5 28. e4 Re8 29. f3 Kd7 30. d5 f5 31. Rxb5 fxe4 32. Rc6 Rxd5+ 33. Rxd5+ Kxc6 34. Rd4 Nc3+ 35. Ke1 Kc5 36. Rd7 e3 37. a6 Re6 0-1

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.22"]
[Round "6.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Arenas Vanegas, David"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2177"]
[BlackElo "2405"]
[PlyCount "63"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Antioquia"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. c3 Bd6 5. Nd2 0-0 6. Bd3 c5 7. Bxd6 Qxd6 8. f4 b6 9. Ngf3 cxd4 10. cxd4 Ba6 11. Qe2 Bxd3 12. Qxd3 Nc6 13. 0-0 Rfc8 14. Rfc1 Rc7 15. a3 Rac8 16. Rc3 Ne7 17. Rac1 g6 18. Ne5 Kg7 19. Rxc7 Rxc7 20. Rc3 Ne4 21. Rxc7 Qxc7 22. Nxe4 dxe4 23. Qc4 Qd6 24. Qa4 Qc7 25. Qc4 Qd6 26. Qa4 f6 27. Nc4 Qc7 28. Qe8 Nd5 29. b3 Qe7 30. Qc6 f5 31. Kf1 h6 32. g3 1/2-1/2

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "4.2"]
[White "Bolanos Lopez, Juan Jacobo"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1958"]
[BlackElo "2177"]
[PlyCount "150"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Cauca"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nd7 8. Qd2 Nc5 9. 0-0-0 0-0 10. Bc4 Be6 11. Qd4 Bf6 12. Qxc5 dxc5 13. Rxd8 Bxd8 14. Bxe6 fxe6 15. Be3 Be7 16. c4 b6 17. Kd2 Bd6 18. Ke2 h6 19. g3 Kf7 20. h4 Ke7 21. h5 Kd7 22. Rh4 a6 23. Rg4 Rf7 24. Rg6 Re8 25. g4 e5 26. Nh4 Re6 27. f3 Rxg6 28. hxg6 Rf6 29. Bxh6 Bf8 30. Bd2 Re6 31. Bc3 Bd6 32. Ke3 Rf6 33. b3 b5 34. cxb5 axb5 35. Nf5 Rxg6 36. Ke4 Ke6 37. a4 b4 38. Bb2 Kd7 39. Bxe5 Re6 40. f4 g6 41. Ne3 Re8 42. Nc4 Kc6 43. Kf3 Re7 44. Bf6 Re1 45. Ne3 c4 46. bxc4 Rh1 47. f5 Rh3+ 48. Ke4 gxf5+ 49. gxf5 Bc5 50. Ng4 Bd6 51. Bb2 Kc5 52. Ne3 Rh4+ 53. Kd3 Rh2 54. f6 Kc6 55. Ng4 Rg2 56. Ne3 Rf2 57. Nd5 b3 58. Bc1 bxc2 59. Bd2 Rf3+ 60. Kxc2 Kc5 61. Ba5 c6 62. Bb4+ Kxc4 63. Bxd6 cxd5 64. Be7 d4 65. a5 Rf2+ 66. Kd1 Kc3 67. Ke1 Rf4 68. a6 d3 69. a7 d2+ 70. Ke2 Re4+ 71. Kf3 Kd3 72. a8Q d1Q+ 73. Kg3 Qg4+ 74. Kf2 Re2+ 75. Kf1 Qf4+ 0-1

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "5.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Nunez V, Daniel Fernando"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2177"]
[BlackElo "2193"]
[PlyCount "111"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Tolima"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. Nf3 0-0 8. e4 Qa5 9. Bd2 Bxa6 10. Be2 Bxe2 11. Qxe2 Qa6 12. Qxa6 Nxa6 13. Ke2 Rfb8 14. b3 d6 15. Rab1 Nd7 16. Rhd1 Nc7 17. a4 Rb7 18. Kd3 e6 19. dxe6 fxe6 20. Bf4 Ra6 21. Kc2 Bxc3 22. Kxc3 e5 23. Be3 Ne6 24. Nd2 Nd4 25. Rb2 Rab6 26. Rdb1 d5 27. exd5 Nf6 28. Nc4 Nxd5+ 29. Kd3 Re6 30. f3 e4+ 31. fxe4 Nb4+ 32. Kd2 Rd7 33. e5 Nxb3+ 34. Ke2 Nd4+ 35. Kf1 Kg7 36. h3 h6 37. a5 g5 38. Kg1 Ree7 39. Rd2 Nbc6 40. Bxd4 cxd4 41. Rb5 d3 42. Kh2 Rd4 43. Rc5 Nb4 44. Ne3 Kg6 45. Rb5 Re6 46. Rb6 Rxb6 47. axb6 Nc6 48. b7 Rb4 49. Rxd3 Nxe5 50. Rd6+ Kh7 51. Rd5 Nc6 52. Rd7+ Kg8 53. Rc7 Nd8 54. Rc8 Rxb7 55. Rxd8+ Kh7 56. Rd6 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "2.2"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2475"]
[BlackElo "2177"]
[PlyCount "85"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Valle"]
[BlackTeam "Boyaca"]
[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. a4 b4 9. a5 d6 10. d3 Rb8 11. Nbd2 h6 12. Bc4 Re8 13. Nf1 Bf8 14. c3 bxc3 15. bxc3 Na7 16. Ng3 Nb5 17. Bd2 Be6 18. Bxe6 Rxe6 19. Qc2 c5 20. Nf5 Qc7 21. Ne3 Ree8 22. h3 Qc6 23. Reb1 Nc7 24. c4 Qa8 25. Qa4 Rb7 26. Rb6 Reb8 27. Rab1 Ne6 28. Nd5 Nd7 29. Kh2 Qa7 30. Qb3 Rxb6 31. axb6 Qb7 32. Qa4 Nd8 33. g4 Nc6 34. h4 Ne7 35. Ba5 Nxd5 36. cxd5 Rc8 37. Nd2 Be7 38. Nc4 h5 39. g5 Nf8 40. Bd2 Rb8 41. Qc6 Qd7 42. f3 Qd8 43. b7 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "1.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Gutierrez Pama, Andres Mauricio"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2177"]
[BlackElo "1583"]
[PlyCount "95"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Caqueta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 a5 5. e3 b6 6. Bd3 Bb7 7. 0-0 Bxd2 8. Bxd2 d6 9. Qc2 Bxf3 10. gxf3 Nbd7 11. Kh1 Qe7 12. Rg1 g6 13. f4 e5 14. f3 c5 15. Rae1 0-0 16. Bc3 Rae8 17. Bf5 Kh8 18. fxe5 dxe5 19. Bh3 Kg8 20. d5 Qd6 21. Rg5 Re7 22. Reg1 Rfe8 23. a4 Nf8 24. b3 N6d7 25. Qb2 f6 26. R5g3 Rf7 27. Bf5 Kh8 28. Qg2 Rg7 29. Qh3 Kg8 30. Qh6 Ree7 31. h4 Kf7 32. h5 Ke8 33. R1g2 g5 34. Rxg5 Rgf7 35. Rg8 Kd8 36. Rh8 Kc7 37. Rgg8 Kb7 38. Be1 Ka7 39. Bh4 Kb7 40. Rxf8 Nxf8 41. Rxf8 Qc7 42. Rc8 Qd6 43. Rc6 Qd8 44. Rxf6 Rd7 45. Bxd7 Rxd7 46. Bg5 Ka6 47. Rf8 Qc7 48. Qc6 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "10"]
[White "Negron Arias, Juan Carlos"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1897"]
[BlackElo "2177"]
[PlyCount "58"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Qc2 c6 6. Bg5 Be7 7. e3 Nbd7 8. Bd3 Nf8 9. Nge2 Ne6 10. Bh4 g6 11. 0-0 Ng7 12. f3 0-0 13. e4 dxe4 14. fxe4 Ng4 15. Bxe7 Qxe7 16. Rf3 c5 17. Nd5 Qd6 18. h3 Qh2+ 19. Kf1 Qh1+ 20. Ng1 Nh2+ 21. Kf2 Nxf3 22. Kxf3 Bxh3 23. Nxh3 Qxa1 24. Nf6+ Kh8 25. Qd2 Ne8 26. e5 Nxf6 27. exf6 Qh1 28. Qh6 Rg8 29. Ng5 Qa1 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "7"]
[White "Olarte Parra, Jhoan Sebastian"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2035"]
[BlackElo "2177"]
[PlyCount "54"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. b3 e6 4. Bb2 Be7 5. Be2 0-0 6. 0-0 b6 7. d4 Bb7 8. Ne5 Nbd7 9. Nd2 c5 10. c4 Rc8 11. Rc1 Bd6 12. cxd5 Nxd5 13. Ndc4 Nxe5 14. Nxd6 Qxd6 15. dxe5 Qe7 16. a3 Rfd8 17. Qc2 Rd7 18. Rfd1 Rdc7 19. Bd3 h6 20. Qe2 Qg5 21. f4 Qh4 22. g3 Qh3 23. e4 Ne7 24. Rc2 Rd8 25. Rcd2 Rcd7 26. Bc3 h5 27. Bb5 Rxd2 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Claverie, Raul Ricardo"]
[Result "0-1"]
[ECO "A89"]
[WhiteElo "2177"]
[BlackElo "2384"]
[PlyCount "54"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. c4 d6 4. Bg2 g6 5. Nc3 Bg7 6. Nf3 0-0 7. 0-0 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. b3 e4 11. Ba3 Ng4 12. Rc1 a6 13. c5 Bd7 14. e3 Ne5 15. Qd2 Rf7 16. Rfd1 Be8 17. Rc2 g5 18. Ne2 Nd3 19. Nc1 Bb5 20. Bf1 Ne5 21. Bg2 Bd3 22. Nxd3 Nxd3 23. Bf1 Ne5 24. Be2 Qe8 25. d6 exd6 26. cxd6 c6 27. Bc4 Nf3+ 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "6"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Clavijo Romero, Leonardo"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2177"]
[BlackElo "1831"]
[PlyCount "77"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 Nbd7 6. Bf4 Nh5 7. e3 g6 8. h3 Bg7 9. Bh2 b6 10. cxb6 Qxb6 11. Qd2 a5 12. Na4 Qb4 13. b3 Nhf6 14. Bd3 Ba6 15. Bxa6 Rxa6 16. Rc1 Ne4 17. Qxb4 axb4 18. 0-0 0-0 19. Rc2 c5 20. dxc5 Rc8 21. Rd1 e6 22. Nd4 Nexc5 23. Rdc1 Bf8 24. Nb5 e5 25. Nxc5 Bxc5 26. Bxe5 Nxe5 27. Rxc5 Rxc5 28. Rxc5 Rxa2 29. Rxd5 f6 30. Rd4 Ra1+ 31. Kh2 Rf1 32. Kg3 h5 33. Rxb4 Rxf2 34. Kxf2 Nd3+ 35. Kf3 Nxb4 36. Ke4 Nc2 37. Nd4 Ne1 38. b4 Nc2 39. Nxc2 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "8"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Palencia Morales, Wilson Guillermo"]
[Result "0-1"]
[ECO "D29"]
[WhiteElo "2177"]
[BlackElo "2158"]
[PlyCount "61"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. Nc3 b5 7. Bb3 c5 8. 0-0 Bb7 9. Qe2 Nbd7 10. Rd1 Qc7 11. e4 cxd4 12. Nxd4 Be7 13. Bxe6 fxe6 14. Nxe6 Qe5 15. Nxg7+ Kf7 16. f4 Qc7 17. Nf5 Rag8 18. Ng3 h5 19. e5 Bc5+ 20. Kh1 h4 21. Nge4 Nxe4 22. Nxe4 h3 23. e6+ Kf8 24. exd7 hxg2+ 25. Qxg2 Rxh2+ 26. Kxh2 Rxg2+ 27. Kxg2 Bxe4+ 28. Kg3 Bd6 29. Be3 Qxd7 30. Rac1 Qg7+ 31. Kh3 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "9"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Ruiz Aguilar, Pablo Alexander"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2177"]
[BlackElo "2162"]
[PlyCount "126"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g3 Nbd7 6. Bg2 a6 7. Nd2 b5 8. b3 Bb4 9. Bb2 0-0 10. 0-0 bxc4 11. bxc4 a5 12. e4 Ba6 13. Re1 dxc4 14. a3 Be7 15. Bf1 c5 16. d5 Ne5 17. Na4 Nd3 18. Bxd3 cxd3 19. d6 Qxd6 20. e5 Qc6 21. exf6 Bxf6 22. Bxf6 gxf6 23. Qg4+ Kh8 24. Qh4 Rg8 25. Qxf6+ Rg7 26. Nc3 Kg8 27. Rab1 c4 28. Qd4 Rc8 29. Rb6 Qa8 30. Reb1 Re8 31. Qd6 Bc8 32. Qc7 f5 33. Qe5 Bd7 34. Rb7 Rf7 35. Rc7 Bc6 36. Rxf7 Kxf7 37. Nb5 Bxb5 38. Rxb5 Qc6 39. Rc5 Qa4 40. Rxc4 Qd1+ 41. Nf1 Re7 42. Rd4 d2 43. Rxd2 Qf3 44. Rc2 Qxa3 45. Rc7 Qb4 46. Rc5 a4 47. Ra5 a3 48. Ne3 Rd7 49. Ra6 Qb3 50. Kg2 Qb7+ 51. Kh3 Qxa6 52. Qh8 a2 53. Qxh7+ Ke8 54. Qg8+ Ke7 55. Qg7+ Kd8 56. Qf8+ Kc7 57. Qc5+ Kb7 58. Qb4+ Ka8 59. Qf8+ Ka7 60. Qc5+ Kb7 61. Qb4+ Qb6 62. Qa4 Rh7+ 63. Kg2 Qc6+ 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "4"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2177"]
[BlackElo "2393"]
[PlyCount "91"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Nc6 5. Nbd2 Bb4 6. Qc2 dxc4 7. Qxc4 0-0 8. Bg2 Qe7 9. 0-0 Rd8 10. Nb3 Na5 11. Nxa5 Bxa5 12. Bf4 Nd5 13. Rac1 Nxf4 14. gxf4 c6 15. e3 Bd7 16. Ne5 Be8 17. a3 a6 18. b4 Bb6 19. Kh1 f6 20. Nd3 Bf7 21. Qc3 Bc7 22. Nc5 Bd6 23. Rg1 e5 24. dxe5 fxe5 25. f5 e4 26. Nxe4 Be5 27. Qc5 Qxc5 28. Nxc5 b6 29. Ne6 Rd3 30. Rxc6 Rb8 31. f4 Bb2 32. e4 Bxa3 33. e5 Bxe6 34. fxe6 Bxb4 35. Be4 Rd4 36. Rc7 g6 37. Bxg6 hxg6 38. Rxg6+ Kh8 39. f5 Bc5 40. Rh6+ Kg8 41. f6 Rg4 42. h4 a5 43. h5 Bf8 44. Rg6+ Rxg6 45. hxg6 a4 46. Rh7 1-0

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "3"]
[White "Rueda Rojas, Richard Alejandro"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1876"]
[BlackElo "2177"]
[PlyCount "64"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. f3 Ng5 11. Be3 0-0 12. f4 Ne4 13. Nd2 f5 14. c4 Qe7 15. cxd5 cxd5 16. Rc1 Bb6 17. Nxe4 dxe4 18. Qb3+ Kh8 19. Rfd1 Rad8 20. Bf2 h6 21. Qh3 Qf7 22. b3 Be6 23. Qg3 Rd7 24. Nxe6 Qxe6 25. Rxd7 Qxd7 26. Qc3 Rd8 27. Bxb6 cxb6 28. h3 Kh7 29. Qc4 Qd2 30. Qf1 Qxa2 31. Rc3 Qd2 32. Qc4 Qxf4 0-1

[Event "Velez Rapid op 10th"]
[Site "Velez Santander"]
[Date "2023.11.06"]
[Round "5"]
[White "Vivas Zamora, Fabian Ernesto"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2375"]
[BlackElo "2177"]
[PlyCount "59"]
[EventDate "2023.11.06"]
[EventType "swiss (rapid)"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Bg5 d6 8. Qd2 h6 9. Be3 Be6 10. 0-0-0 Qe7 11. Bb5 0-0 12. f3 Ne5 13. h4 Bxe3 14. Qxe3 a6 15. Be2 b5 16. g4 Nc4 17. Bxc4 bxc4 18. Nd4 c5 19. Nxe6 fxe6 20. g5 Nh5 21. gxh6 g6 22. Rhg1 Kh7 23. Rg5 Rab8 24. Rdg1 Qb7 25. Rxh5 Qxb2+ 26. Kd2 d5 27. exd5 Rbd8 28. Rb1 Qa3 29. Rb7+ Kh8 30. Qe5+ 1-0

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.05"]
[Round "9"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Berdayes Ason, Dylan Isidro"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2177"]
[BlackElo "2507"]
[PlyCount "90"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. d3 Bc5 7. Bg2 0-0 8. 0-0 h6 9. Bd2 Nf6 10. Rc1 Re8 11. a3 a5 12. Qc2 Bf8 13. Rfe1 Nd4 14. Nxd4 exd4 15. Ne4 c6 16. b4 axb4 17. axb4 Nxe4 18. Bxe4 Be6 19. Ra1 Qd7 20. Qb2 Bg4 21. Kf1 Bh5 22. Ra5 g6 23. Qa2 Rad8 24. Ra7 Rxe4 25. dxe4 d3 26. Kg2 dxe2 27. Bc3 Qd3 28. Rxb7 Qf3+ 29. Kg1 Bg4 30. Rxe2 Bh3 31. Qxf7+ Qxf7 32. Rxf7 Kxf7 33. Rd2 Rxd2 34. Bxd2 Bg7 35. Be3 Bc3 36. Bc5 h5 37. f3 Be1 38. f4 Ke6 39. Bf8 Kd7 40. Bc5 Kc8 41. Bd6 Kb7 42. Bc5 Ka6 43. f5 gxf5 44. e5 f4 45. gxf4 Kb5 0-1

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.05"]
[Round "10"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Espinoza Pacheco, Aldrin Leo"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2177"]
[BlackElo "2039"]
[PlyCount "93"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 0-0 7. Bf4 Na6 8. e4 c5 9. d5 e6 10. Be2 exd5 11. exd5 b5 12. Nxb5 Qxd5 13. 0-0 Be6 14. Qa4 Qe4 15. Nc3 Qxa4 16. Nxa4 Nb4 17. Bd6 Ne4 18. Bxf8 Rxf8 19. a3 Nc2 20. Rac1 Nd4 21. Nxd4 Bxd4 22. Bd3 Nd2 23. Rfd1 Nb3 24. Rc2 Rd8 25. Kf1 Bg4 26. f3 Bd7 27. Nc3 Rb8 28. Bc4 Bf5 29. Ne4 Na5 30. b4 Nxc4 31. Rxc4 Be6 32. Rxc5 Bxc5 33. Nxc5 Bc4+ 34. Kf2 a5 35. Rd4 Ba2 36. bxa5 Rb2+ 37. Kg3 Rb5 38. a6 Ra5 39. Rd7 Kg7 40. a7 Rxa3 41. Kf4 Kf6 42. Rd6+ Ke7 43. Ra6 g5+ 44. Kxg5 h6+ 45. Kxh6 Rxa6+ 46. Nxa6 Bd5 47. Nc7 1-0

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.04"]
[Round "7"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Negron Lizarazo, Juan Sebastian"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2177"]
[BlackElo "1795"]
[PlyCount "77"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Nc6 9. Rc1 Bg4 10. d5 Ne5 11. Be2 Qa5 12. Qd2 Nxf3+ 13. gxf3 Bh3 14. c4 Qxd2+ 15. Kxd2 b6 16. a4 0-0 17. Rb1 Rfd8 18. Rb3 f5 19. Rhb1 Rd6 20. a5 Kf7 21. Bd3 Bg2 22. Ke2 h6 23. exf5 Bh3 24. fxg6+ Kg8 25. axb6 axb6 26. Rxb6 Ra2+ 27. Kd1 Rxb6 28. Rxb6 Ra1+ 29. Kc2 Ra2+ 30. Kc1 Ra1+ 31. Rb1 Rxb1+ 32. Kxb1 Bd4 33. Bxd4 cxd4 34. c5 Kg7 35. Kc2 Kf6 36. Kb3 e5 37. Kc4 Bc8 38. Kb5 Ke7 39. c6 1-0

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.04"]
[Round "8"]
[White "Palencia Morales, Wilson Guillermo"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2158"]
[BlackElo "2177"]
[PlyCount "83"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. dxe5 d5 5. Nbd2 f5 6. Nxe4 fxe4 7. Nd4 Bc5 8. Nb3 Bb6 9. Qh5+ g6 10. Qh6 Rf8 11. Qxh7 Bxf2+ 12. Kd1 Bf5 13. g4 Qd7 14. Qxd7+ Bxd7 15. Bh6 Rf7 16. c4 Bxg4+ 17. Be2 Be6 18. cxd5 Bxd5 19. Bg4 e3 20. Kc2 Rh7 21. Bg5 Nc6 22. Rhd1 Be4+ 23. Kc3 Nxe5 24. Rd4 Bf5 25. Be2 Rd7 26. Ra4 Nf7 27. Bf4 0-0-0 28. Nd4 a6 29. Nxf5 gxf5 30. Rf1 Rd2 31. Rxf2 exf2 32. Bxd2 Nd6 33. Be3 Rh8 34. h4 Re8 35. Kd2 Ne4+ 36. Rxe4 Rxe4 37. Bxf2 f4 38. h5 Re7 39. Bd3 c5 40. h6 b6 41. h7 Re8 42. Bh4 1-0

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.03"]
[Round "5"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Cortez Vilca, Tomas"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2177"]
[BlackElo "1439"]
[PlyCount "17"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nd2 cxd4 6. cxd4 Bf5 7. Qb3 Qb6 8. Qb4 Qb5 9. Qxb5 1-0

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.03"]
[Round "6"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2393"]
[BlackElo "2177"]
[PlyCount "162"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 0-0 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 d6 10. b4 Bb6 11. a4 a6 12. Nxb6 cxb6 13. h3 Re8 14. 0-0 Be6 15. Re1 Qd7 16. Bxe6 Qxe6 17. d4 Qc4 18. Re3 exd4 19. Nxd4 Nxd4 20. cxd4 Qxb4 21. Rb1 Qa5 22. Qb3 Re7 23. Qxb6 Qxa4 24. Qxd6 Rd7 25. Qe5 Qxd4 26. Qxd4 Rxd4 27. Rxb7 Rad8 28. Ra7 Rd1+ 29. Kh2 R1d6 30. Ra3 Re8 31. f3 Ree6 32. h4 h5 33. Ra5 g6 34. Kg3 Kg7 35. Rc5 Rc6 36. Rd5 Red6 37. Rxd6 Rxd6 38. Kf4 Rc6 39. g4 hxg4 40. Kxg4 Rb6 41. e5 Rc6 42. f4 a5 43. h5 gxh5+ 44. Kxh5 Rc5 45. Kg4 Kf8 46. Kf5 Kg7 47. Ke4 Rc4+ 48. Ke3 a4 49. Kf3 Kf8 50. Kg4 Kg7 51. Kf5 Rb4 52. Kg5 Re4 53. Ra5 Rb4 54. f5 f6+ 55. exf6+ Kf7 56. Ra7+ Kf8 57. f7 Rb6 58. Rxa4 Kxf7 59. Ra7+ Kf8 60. Rc7 Ra6 61. Rh7 Rb6 62. Rd7 Ra6 63. Rb7 Rc6 64. Kf4 Ra6 65. Rc7 Rb6 66. Rd7 Ra6 67. Ke5 Rb6 68. Rd6 Rxd6 69. Kxd6 Kf7 70. Ke5 Ke7 71. Kf4 Kf6 72. Kg4 Kf7 73. Kf4 Kf6 74. Ke4 Kf7 75. Ke5 Ke7 76. f6+ Kf7 77. Kf5 Kf8 78. Kg5 Kf7 79. Kf5 Kf8 80. Ke6 Ke8 81. f7+ Kf8 1/2-1/2

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.02"]
[Round "3"]
[White "Brizuela Abreu, Ronald Jesus"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2326"]
[BlackElo "2177"]
[PlyCount "52"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. Nc3 d5 5. cxd5 Nxd5 6. e3 Nxc3 7. Bxc3 Bd6 8. Nf3 0-0 9. Be2 Qe7 10. 0-0 Re8 11. d3 Bf5 12. Qc1 Rad8 13. Rd1 Bc5 14. Ne1 Rd6 15. a3 Rh6 16. b4 Bd6 17. g3 e4 18. dxe4 Bxe4 19. Bf3 Qe6 20. Bxe4 Qxe4 21. Qd2 Qg4 22. Qd5 Rh3 23. b5 Rh5 24. Qd3 Ne5 25. Qf1 Nc4 26. a4 Ne5 1-0

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.02"]
[Round "4"]
[White "Herize Godoy, Miguel Andres"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "1861"]
[BlackElo "2177"]
[PlyCount "40"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 b4 9. d4 d6 10. dxe5 Nxe5 11. Bf4 Ng6 12. Bg3 Bb7 13. Nbd2 Nd7 14. a5 Bf6 15. Qc1 Re8 16. Ra4 Bc6 17. Rxb4 Rb8 18. Rxb8 Qxb8 19. c3 Qb5 20. Qa1 Rb8 0-1

[Event "Velez op 10th"]
[Site "Velez Santander"]
[Date "2023.11.01"]
[Round "2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Ojeda, Jesus David"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "2177"]
[BlackElo "2071"]
[PlyCount "17"]
[EventDate "2023.11.01"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. 0-0 Nge7 6. c3 d5 7. exd5 b5 8. dxc6 bxa4 9. Qxa4 1-0

[Event "COL-chT Blitz"]
[Site "Santa Marta"]
[Date "2022.11.07"]
[Round "5.2"]
[White "Avila Pavas, Santiago"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2360"]
[BlackElo "2109"]
[PlyCount "70"]
[EventDate "2022.11.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Valle"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 d6 7. Qe2 Nf6 8. Be3 Be6 9. 0-0-0 Qe7 10. Nd5 Bxd5 11. exd5 Ne5 12. f3 0-0-0 13. Bxb6 axb6 14. Qb5 Kb8 15. Qa4 Ned7 16. Nd4 Qe3+ 17. Kb1 Nc5 18. Qc4 g6 19. a3 Rhe8 20. Nb5 Re5 21. b4 Na6 22. Nc3 Rde8 23. Bd3 Qf2 24. Qf4 Nd7 25. Rd2 Qe3 26. Qxe3 Rxe3 27. Ne4 Ne5 28. Bb5 Re7 29. Kb2 f5 30. Nc3 Kc8 31. Nd1 f4 32. Nxe3 fxe3 33. Re2 c6 34. dxc6 bxc6 35. Bxa6+ Kb8 1-0

[Event "COL-chT"]
[Site "Santa Marta"]
[Date "2022.11.05"]
[Round "7.1"]
[White "Panesso Rivera, Henry"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2346"]
[BlackElo "2173"]
[PlyCount "94"]
[EventDate "2022.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Antioquia"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. d3 0-0 6. Nbd2 c5 7. e4 Nc6 8. Re1 Re8 9. e5 Nd7 10. h4 Nf8 11. Nf1 b5 12. Bg5 Rb8 13. N1h2 a5 14. Qd2 b4 15. Ng4 a4 16. Be3 Na7 17. h5 Nb5 18. h6 g6 19. Bg5 Nd7 20. Qf4 a3 21. b3 Nc3 22. Kh2 Ba6 23. Bh3 c4 24. Re3 Rc8 25. Bxe7 Qxe7 26. Ng5 cxd3 27. cxd3 Nb5 28. Nf6+ Nxf6 29. exf6 Qd6 30. Rxe6 Qxf4 31. Rxe8+ Rxe8 32. gxf4 Nc3 33. d4 Bd3 34. f5 Re2 35. fxg6 Bxg6 36. Bg4 Rxf2+ 37. Kg3 Rxf6 38. Re1 Kf8 39. Re5 Bb1 40. Bd7 Rxh6 41. Re8+ Kg7 42. Nf3 Ne4+ 43. Kf4 Rf6+ 44. Ke3 Bxa2 45. Nh4 Bxb3 46. Nf5+ Rxf5 47. Bxf5 Nd6 0-1

[Event "COL-chT"]
[Site "Santa Marta"]
[Date "2022.11.05"]
[Round "6.1"]
[White "Sierra Fonseca, Edwin Andres"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "2159"]
[BlackElo "2173"]
[PlyCount "43"]
[EventDate "2022.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Casanare"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 Nf6 2. d4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 h6 6. Bf4 Nbd7 7. e3 Be7 8. Bd3 0-0 9. 0-0 b6 10. Ne5 Nxe5 11. dxe5 Nd7 12. Rc1 Bb7 13. Qh5 Bg5 14. Rfd1 Qe7 15. Bg3 d4 16. Ne4 c5 17. Nd6 dxe3 18. f4 Nxe5 19. fxg5 g6 20. Qxh6 Qxd6 21. Be4 Bd5 22. cxd5 1-0

[Event "COL-chT Rapid"]
[Site "Santa Marta"]
[Date "2022.11.04"]
[Round "5.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Cadavid, Juan Miguel"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2153"]
[BlackElo "1876"]
[PlyCount "108"]
[EventDate "2022.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Risaralda II"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 Nbd7 8. Qc2 c6 9. Rd1 a5 10. Bf4 Nh5 11. Bc1 Nhf6 12. b3 b6 13. Nbd2 Bb7 14. Bb2 c5 15. Rac1 Rc8 16. Qb1 dxc4 17. Nxc4 Be4 18. Qa1 Qc7 19. Bh3 Qb7 20. Nfd2 Bg6 21. Bg2 Qb8 22. Ne3 cxd4 23. Bxd4 b5 24. a4 bxa4 25. bxa4 Rxc1 26. Rxc1 Rc8 27. Ndc4 Bb4 28. h4 h6 29. Bf3 Ne8 30. h5 Bh7 31. Ng4 f6 32. Nge3 Kh8 33. Na3 Nd6 34. Bc6 Qc7 35. Nb5 Nxb5 36. axb5 e5 37. Bc3 Nb8 38. Nd5 Qd6 39. Bxb4 axb4 40. Qa8 Bg8 41. Qb7 Rd8 42. Ne7 Nxc6 43. Rxc6 Qd1+ 44. Kh2 Bd5 45. Nxd5 Qxd5 46. Qc7 e4 47. b6 Qxh5+ 48. Kg2 Rd1 49. Qc8+ Kh7 50. g4 Qh1+ 51. Kg3 Qg1+ 52. Kh3 Qh1+ 53. Kg3 Qg1+ 54. Kh3 Qh1+ 1/2-1/2

[Event "COL-chT"]
[Site "Santa Marta"]
[Date "2022.11.04"]
[Round "5.1"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Mena Ardila, Alexander"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2173"]
[BlackElo "1956"]
[PlyCount "63"]
[EventDate "2022.11.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Arauca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. c4 dxc4 7. Qc2 c6 8. Qxc4 Qb6 9. b3 a5 10. Ba3 Bxa3 11. Nxa3 e5 12. Nxe5 Be6 13. Qd3 a4 14. Nac4 Qc7 15. b4 Nbd7 16. a3 Rfd8 17. Rac1 b5 18. Nxd7 Nxd7 19. Na5 Ne5 20. Qxb5 Rxd4 21. Nxc6 Nxc6 22. Rxc6 Qd8 23. Qe5 Rb8 24. h4 h6 25. Bf3 Rd2 26. Rfc1 Rc8 27. Kh2 Rxc6 28. Rxc6 Rd4 29. b5 g5 30. Ra6 gxh4 31. Ra8 Bc8 32. Rxc8 1-0

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.10.09"]
[Round "8.2"]
[White "Lopez Rayo, Santiago"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "2116"]
[BlackElo "2123"]
[PlyCount "88"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Valle"]
[BlackTeam "Boyaca"]
[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. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Nc6 14. d5 Nce5 15. Nh2 Bf6 16. Ndf1 Re8 17. Ng3 g6 18. Rb1 Bb7 19. b3 Nb6 20. f4 Ned7 21. Qf3 Nxd5 22. Bd2 Nb4 23. Bxb4 cxb4 24. Rbd1 Qb6+ 25. Kh1 Nc5 26. f5 Bg7 27. Rf1 Qc7 28. h4 Rf8 29. f6 Bh8 30. Nf5 Rfe8 31. Nxd6 Re6 32. Nxb7 Qxb7 33. Ng4 Rae8 34. Nh6+ Kf8 35. Qg3 Qb8 36. Qxb8 Rxb8 37. Rd2 Rbe8 38. Ng4 Nxe4 39. Bxe4 Rxe4 40. Nh6 Re1 41. Rxe1 Rxe1+ 42. Kh2 Bxf6 43. Rd7 Re7 44. Rd6 Be5+ 0-1

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.09.10"]
[Round "1.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Gonzalez Velasco, Leandro"]
[Result "1-0"]
[ECO "E95"]
[WhiteElo "2123"]
[BlackElo "2017"]
[PlyCount "70"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Valle II"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 exd4 8. Nxd4 Re8 9. f3 c6 10. Re1 Nbd7 11. Bf1 a5 12. Be3 Nc5 13. Qc2 Qc7 14. Rad1 Bd7 15. b3 Rad8 16. g3 Bc8 17. Bf2 Nfd7 18. f4 Nf6 19. h3 Re7 20. Bg2 Ne8 21. Re2 Ne6 22. Red2 Nxd4 23. Bxd4 Be6 24. Kh2 f5 25. Bxg7 Nxg7 26. e5 d5 27. cxd5 cxd5 28. Qd3 d4 29. Nb5 Qb6 30. Nd6 Ne8 31. Nc4 Qc7 32. Nb2 Qb6 33. Na4 Qb4 34. Bf1 Nc7 35. Qc2 Red7 1-0

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.09.10"]
[Round "4.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Martinez Zuluaica, Julian"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2123"]
[BlackElo "2180"]
[PlyCount "92"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Santander"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3 Bg7 9. Bg2 0-0 10. Rb1 Nbd7 11. 0-0 Qa5 12. Qc2 Rfb8 13. b3 Bb7 14. Bd2 Qd8 15. Nh4 Nb6 16. e4 Ba6 17. Rfe1 Ng4 18. Bf1 Bd4 19. Nd1 Nd7 20. Bxa6 Rxa6 21. h3 Ngf6 22. Nf3 Ne5 23. Nxd4 cxd4 24. Kg2 Rc8 25. Qb2 Nd3 26. Qa1 Nxe1+ 27. Bxe1 Nxe4 28. Qxd4 f5 29. Nc3 Qb6 30. Qxb6 Rxb6 31. Nxe4 fxe4 32. a4 Rc2 33. Kf1 Ra2 34. a5 Rb5 35. b4 Kf7 36. Rd1 e6 37. dxe6+ Kxe6 38. Bc3 Ra3 39. Be1 d5 40. Rc1 d4 41. Rc6+ Kd5 42. Rc8 d3 43. Ra8 Ra1 44. a6 Kc4 45. a7 d2 46. Rc8+ Kb3 0-1

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.09.10"]
[Round "3.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Morales Guerrero, Andres Felipe"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2123"]
[BlackElo "1774"]
[PlyCount "61"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Santander Almo"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 Nf6 3. Nf3 e6 4. g3 Nbd7 5. Bg2 Be7 6. 0-0 0-0 7. Qc2 b6 8. cxd5 Nxd5 9. Nc3 Bb7 10. e4 Nxc3 11. bxc3 c5 12. Rd1 cxd4 13. cxd4 Rc8 14. Qe2 Nf6 15. Ne5 Qe8 16. a4 Nd7 17. Nxd7 Qxd7 18. Be3 Rc7 19. a5 Rfc8 20. axb6 axb6 21. Ra7 h6 22. d5 exd5 23. exd5 Rc2 24. Qh5 Bc5 25. Bh3 g6 26. Qxh6 f5 27. Qxg6+ Qg7 28. Qxg7+ Kxg7 29. Rxb7+ Kf6 30. Bxc5 R8xc5 31. Rxb6+ 1-0

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.09.10"]
[Round "7.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Ortiz Perez, Javier Augusto"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2123"]
[BlackElo "2083"]
[PlyCount "66"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Santander Norgtech CA"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3 Bg7 9. Bg2 0-0 10. Rb1 Nbd7 11. 0-0 Ng4 12. Qc2 Nge5 13. Nxe5 Nxe5 14. b3 Qc7 15. a4 Rfb8 16. Rd1 Rb7 17. Bd2 Rab8 18. h3 c4 19. b4 Rxb4 20. Nb5 R4xb5 21. axb5 Bxb5 22. Bc3 h5 23. Rb2 Bd7 24. Rdb1 Rxb2 25. Qxb2 Bf5 26. e4 Bc8 27. Qb8 Qd7 28. Qb5 Qc7 29. Kh1 Nd3 30. Bxg7 Kxg7 31. Kh2 f6 32. f4 Kf7 33. Bf1 Bd7 1-0

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.09.10"]
[Round "6.2"]
[White "Valle, Efrain"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2009"]
[BlackElo "2123"]
[PlyCount "93"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Magdalena"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. cxd5 exd5 5. d4 c6 6. Bf4 Bf5 7. e3 Nbd7 8. Bd3 Bg6 9. h3 Be7 10. 0-0 0-0 11. Ne5 Re8 12. Rb1 a5 13. b3 Bb4 14. Bxg6 hxg6 15. Na4 Nxe5 16. Bxe5 Nd7 17. Bg3 Qe7 18. Qc2 Bd6 19. Bxd6 Qxd6 20. Rfc1 g5 21. Nc5 Nxc5 22. Qxc5 Qxc5 23. Rxc5 f6 24. Re1 Kf7 25. f3 Re7 26. Kf2 Ke6 27. e4 dxe4 28. Rxe4+ Kd6 29. Ke3 b6 30. Rxe7 bxc5 31. Rxg7 cxd4+ 32. Kxd4 a4 33. Rf7 Ke6 34. Rb7 axb3 35. axb3 Ra2 36. g3 Rf2 37. Ke3 Rh2 38. Rc7 Kd6 39. Rh7 Rb2 40. h4 Rxb3+ 41. Ke4 gxh4 42. gxh4 Ke6 43. h5 Rb4+ 44. Ke3 Rh4 45. h6 Kf5 46. Rc7 Rxh6 47. Rxc6 1/2-1/2

[Event "COL-chT Blitz"]
[Site "Santander"]
[Date "2022.09.10"]
[Round "5.2"]
[White "Zabaleta Mora, Luis Angel"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1509"]
[BlackElo "2123"]
[PlyCount "101"]
[EventDate "2022.09.10"]
[EventType "team-swiss (blitz)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Cordoba"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bd6 7. Nf3 0-0 8. 0-0 Nc6 9. h3 Rb8 10. a4 f6 11. d3 Bf5 12. a5 Qd7 13. Kh2 Rfe8 14. a6 b6 15. Nh4 Be6 16. d4 exd4 17. cxd4 Nxd4 18. f4 Nf5 19. Nf3 Rbd8 20. Re1 Bc5 21. Qxd7 Bxd7 22. Bd2 Bc6 23. g4 Ne3 24. Bxe3 Bxe3 25. Kg3 Re7 26. Nh4 Bxg2 27. Nxg2 Rde8 28. Kf3 Bc5 29. Rxe7 Rxe7 30. Rd1 Kf7 31. Rd8 b5 32. f5 Bb6 33. Rd5 c6 34. Rd6 c5 35. Rd5 g6 36. Nf4 gxf5 37. gxf5 Re5 38. Rxe5 fxe5 39. Nd5 Bd8 40. Ke4 Bf6 41. Nc7 Ke7 42. Nxb5 Kd7 43. Nxa7 Kc7 44. Nb5+ Kb8 45. c4 Kc8 46. Kd5 Kb8 47. Kxc5 e4 48. Kb6 Be5 49. a7+ Ka8 50. c5 e3 51. f6 1-0

[Event "COL-chT"]
[Site "Medellin"]
[Date "2021.12.10"]
[Round "3.1"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Osorio, Cristhian Camilo"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2166"]
[BlackElo "2185"]
[PlyCount "67"]
[EventDate "2021.12.09"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Antioquia Polijic"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3 Bg7 9. Bg2 0-0 10. 0-0 Qa5 11. Bd2 Nbd7 12. Rb1 Rfb8 13. b3 Qa3 14. Bc1 Qb4 15. Bd2 Ne4 16. Nxe4 Qxe4 17. Re1 Ne5 18. Nxe5 Qxe5 19. Qc2 Qd4 20. Bf1 h5 21. Red1 Qxd5 22. Bg2 Qe6 23. Bxa8 Rxa8 24. e4 h4 25. Re1 hxg3 26. hxg3 Qh3 27. Bc3 Bf6 28. Bxf6 exf6 29. Qd1 Bb7 30. Qf3 Kg7 31. Qg2 Qh5 32. Rb2 f5 33. Rd2 fxe4 34. Rxe4 1/2-1/2

[Event "COL-chT"]
[Site "Medellin"]
[Date "2021.12.09"]
[Round "2.1"]
[White "Arenas Vanegas, David"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2456"]
[BlackElo "2166"]
[PlyCount "65"]
[EventDate "2021.12.09"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Liga de Antioquia"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 0-0 9. 0-0 cxd5 10. Bg5 c6 11. Qf3 Bd6 12. h3 Rb8 13. Rab1 h6 14. Bd2 Be5 15. Rfe1 Qc7 16. Rxe5 Qxe5 17. Bf4 Qxc3 18. Bh7+ Kxh7 19. Qxc3 Rb6 20. Qa3 Kg8 21. Qxa7 Ra6 22. Qd4 Bf5 23. Be5 Ne8 24. Qc3 f6 25. Bg3 Rf7 26. Re1 Nc7 27. a3 Ne6 28. Qb4 Ng5 29. f3 Rd7 30. h4 Nf7 31. Re8+ Kh7 32. h5 Rd8 33. Re7 1-0

[Event "COL-chT"]
[Site "Medellin"]
[Date "2021.12.09"]
[Round "1.1"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Carrillo Parra, Miguel Alfredo"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2166"]
[BlackElo "2168"]
[PlyCount "102"]
[EventDate "2021.12.09"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Boyaca"]
[BlackTeam "Atlantico Quintal"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Be5 c6 8. Nf3 Bf5 9. Be2 0-0 10. 0-0 Ne4 11. Qb3 Ra7 12. Rfd1 Re8 13. Bd3 Nxc3 14. Qxc3 Bg4 15. Bxd6 Qxd6 16. Be2 Nd7 17. Rac1 Re6 18. Qc2 Bh5 19. Ne1 Bg6 20. Bd3 Ra8 21. Bxg6 hxg6 22. Nd3 Nf6 23. Qc5 Qc7 24. h3 Rd8 25. b4 g5 26. Ne5 Ne4 27. Qc2 Rf6 28. Ng4 Re6 29. Ne5 Qe7 30. Qb2 Rh6 31. a4 Nd6 32. Qb3 f6 33. Ng4 Rh7 34. Qd3 Qe8 35. Rc2 Qf7 36. Rdc1 Re8 37. Rc5 Rh4 38. b5 axb5 39. axb5 Nxb5 40. Rxb5 cxb5 41. Qxb5 Rd8 42. Qb6 Re8 43. Rc7 Re7 44. Rc8+ Re8 45. Rc7 Re7 46. Rc8+ Kh7 47. Qb1+ f5 48. Rb8 Rc7 49. Ne5 Qe6 50. Qb4 Qe7 51. Rh8+ Kxh8 1-0

[Event "COL-ch Blitz"]
[Site "Villavicencio"]
[Date "2021.11.15"]
[Round "4"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2485"]
[BlackElo "2162"]
[PlyCount "27"]
[EventDate "2021.11.15"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 Bd6 11. Bg5 Nbd7 12. Nc3 h6 13. Bxf6 Nxf6 14. Rfd1 1-0

[Event "COL-ch Rapid"]
[Site "Villavicencio"]
[Date "2021.11.14"]
[Round "6"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Cifuentes, John Jairo"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2230"]
[BlackElo "2170"]
[PlyCount "117"]
[EventDate "2021.11.13"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Be7 4. g3 Nf6 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Bd6 12. Bf4 Nbd7 13. Nbd2 Bb7 14. Nb3 Bxf4 15. gxf4 Nd5 16. e3 a5 17. Nc5 Nxc5 18. Qxc5 b4 19. Ne5 Ra6 20. Rac1 f6 21. Nd3 Qa8 22. Qc2 Rd6 23. Qd2 Rfd8 24. Rc5 Nb6 25. Bxb7 Qxb7 26. f3 Rd5 27. Qe2 Na4 28. Rc2 c5 29. Nxc5 Nxc5 30. dxc5 Qc6 31. Rfc1 a4 32. Qc4 Rd3 33. Kf2 b3 34. axb3 axb3 35. Re2 Kf8 36. Rc3 Rxc3 37. Qxc3 Rd5 38. Qxb3 Qxc5 39. Rc2 Qd6 40. Qc3 Qd8 41. b4 Rh5 42. Qc8 Qxc8 43. Rxc8+ Kf7 44. Kg3 Rb5 45. Rc4 Ke8 46. Rc7 Kf8 47. Rc4 Ke8 48. h4 Kd7 49. e4 Kd6 50. Kg4 h5+ 51. Kg3 g6 52. Kf2 g5 53. fxg5 fxg5 54. Kg3 Ke7 55. hxg5 Rxg5+ 56. Kh4 Rb5 57. Rc5 Rxb4 58. Rxh5 Kd6 59. Kg4 1/2-1/2

[Event "COL-ch Rapid"]
[Site "Villavicencio"]
[Date "2021.11.14"]
[Round "9"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Fonseca Pinto, Carlos Arturo"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2230"]
[BlackElo "2115"]
[PlyCount "143"]
[EventDate "2021.11.13"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. Nf3 d6 8. g3 Bg7 9. Bg2 0-0 10. Rb1 Nbd7 11. 0-0 Qa5 12. Bd2 Rfb8 13. Qc2 Ng4 14. b3 Qa3 15. Bc1 Qb4 16. Bb2 c4 17. Ba1 Nc5 18. bxc4 Qa5 19. Nd2 Ne5 20. Nb3 Qc7 21. Nd4 Nxc4 22. Nc6 Rxb1 23. Qxb1 Nd2 24. Qc1 Nxf1 25. Kxf1 Bc4 26. a4 Nb3 27. Qf4 e5 28. dxe6 Bxe6 29. Bb2 Ra6 30. Nb5 Qd7 31. Bxg7 Rxc6 32. Bb2 Rc2 33. Qf6 Nd2+ 34. Kg1 Rxb2 35. Qxb2 Nc4 36. Qd4 Qc8 37. h4 Qa6 38. Qa7 Qc8 39. Nc7 Ne5 40. a5 Bc4 41. Qa8 Qxa8 42. Nxa8 Nd7 43. e3 Nc5 44. Nb6 Ba6 45. Bd5 Kf8 46. e4 Ke7 47. f4 f6 48. Kf2 h6 49. Ke3 g5 50. Kd4 gxh4 51. gxh4 f5 52. exf5 Kf6 53. Be6 Nxe6+ 54. fxe6 Kxe6 55. Nd5 Kf5 56. Ke3 Kg4 57. Nc7 Bb7 58. a6 Bc6 59. a7 d5 60. Kd4 Kxf4 61. Kc5 Bb7 62. Kb6 Ba8 63. Nxa8 d4 64. Nc7 d3 65. a8Q Ke3 66. Qe8+ Kf2 67. Qd7 Ke2 68. Qe6+ Kd1 69. Kc5 d2 70. Kb4 Kc2 71. Qb3+ Kc1 72. Kc3 1-0

[Event "COL-ch Rapid"]
[Site "Villavicencio"]
[Date "2021.11.14"]
[Round "8"]
[White "Panesso Rivera, Henry"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2411"]
[BlackElo "2230"]
[PlyCount "89"]
[EventDate "2021.11.13"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 e6 3. Bb2 d5 4. e3 Be7 5. c4 b6 6. Nc3 Bb7 7. Be2 0-0 8. 0-0 c5 9. cxd5 Nxd5 10. d4 Nd7 11. Rc1 Rc8 12. Nxd5 Bxd5 13. Qd2 Bd6 14. dxc5 Nxc5 15. Qd4 f6 16. Qg4 Qe7 17. Qh4 Rc7 18. Rfd1 Rfc8 19. Nd4 Ne4 20. Rxc7 Rxc7 21. Bd3 f5 22. Qxe7 Bxe7 23. Nb5 Rb7 24. f3 Nc5 25. Bc2 a6 26. Nc3 Bc6 27. b4 Nd7 28. Bb3 Kf7 29. a3 Nf6 30. Ne2 Bd5 31. Bxd5 Nxd5 32. e4 Ne3 33. Rc1 b5 34. Rc6 Nc4 35. Bc1 a5 36. exf5 exf5 37. bxa5 Nxa5 38. Ra6 Nc4 39. Kf1 Rd7 40. Ke1 Rd3 41. Ra7 Ke8 42. Nf4 Rc3 43. Kd1 g6 44. Rxe7+ Kf8 45. Rxh7 1-0

[Event "COL-ch Rapid"]
[Site "Villavicencio"]
[Date "2021.11.14"]
[Round "5"]
[White "Useche Contreras, Maigel"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1/2-1/2"]
[ECO "C79"]
[WhiteElo "1970"]
[BlackElo "2230"]
[PlyCount "47"]
[EventDate "2021.11.13"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. 0-0 g6 7. Nc3 Bg7 8. Nd5 Be6 9. Ng5 b5 10. Nxe6 fxe6 11. Nxf6+ Qxf6 12. Bb3 Nd4 13. c3 Nxb3 14. Qxb3 0-0 15. Be3 Qe7 16. a4 c6 17. axb5 axb5 18. Ra3 Rxa3 19. Qxa3 Rb8 20. Ra1 Bf8 21. Qa7 Qb7 22. Qxb7 Rxb7 23. Kf1 Kf7 24. Ke2 1/2-1/2

[Event "Puerto Rico Inv"]
[Site "Caguas"]
[Date "2021.05.02"]
[Round "5"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Schnell, Sebastian Narayana"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2166"]
[BlackElo "1519"]
[PlyCount "59"]
[EventDate "2021.04.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "PUR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Nc3 c6 6. Bf4 Bd6 7. Bg3 Nf6 8. e3 h6 9. Qc2 Be6 10. Bd3 Qe7 11. 0-0 Nbd7 12. Rab1 a5 13. Ne2 g5 14. a3 Bg4 15. Nd2 h5 16. Rbe1 h4 17. Bxd6 Qxd6 18. f3 h3 19. g3 Be6 20. g4 Rh4 21. Ng3 0-0-0 22. b4 axb4 23. axb4 Qxb4 24. Rb1 Qd6 25. Qa4 Nb8 26. Rb2 Qc7 27. Rfb1 Ne8 28. Nf5 Rh8 29. Qa8 Rd7 30. Rxb7 1-0

[Event "Puerto Rico Inv"]
[Site "Caguas"]
[Date "2021.05.02"]
[Round "4"]
[White "Vazquez Maccarini, Danitza"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2090"]
[BlackElo "2166"]
[PlyCount "95"]
[EventDate "2021.04.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "PUR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c3 d5 6. d4 Bd6 7. Bd3 0-0 8. 0-0 Bg4 9. h3 Bh5 10. Nbd2 Bg6 11. Qc2 Nxd2 12. Bxd2 c6 13. Ng5 Be7 14. Bxg6 hxg6 15. f4 Nd7 16. Rae1 Re8 17. Be3 Bxg5 18. fxg5 Nb6 19. b3 Qd7 20. Qf2 Re4 21. Bf4 Rae8 22. Be5 Rxe1 23. Rxe1 Re6 24. Bb8 Nc8 25. Qg3 Rxe1+ 26. Qxe1 a6 27. Qe5 Qe7 28. Kf2 f6 29. gxf6 gxf6 30. Qc7 Qxc7 31. Bxc7 Kf7 32. h4 f5 33. Kf3 Ne7 34. Kf4 Ng8 35. Bd8 Nh6 36. h5 Ng4 37. hxg6+ Kxg6 38. Bh4 Kh5 39. Be1 Kg6 40. a4 Kf6 41. Bh4+ Ke6 42. a5 Nh6 43. c4 Nf7 44. c5 Nh6 45. Kg5 Ng4 46. Kf4 Nh6 47. Kg5 Ng4 48. Kf4 1/2-1/2

[Event "Puerto Rico Inv"]
[Site "Caguas"]
[Date "2021.05.01"]
[Round "2"]
[White "Fuentes, Adrian"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "2186"]
[BlackElo "2166"]
[PlyCount "88"]
[EventDate "2021.04.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "PUR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d5 9. exd5 Na5 10. 0-0 Nxb3 11. Nxb3 b6 12. Qd2 Bb7 13. Rad1 Qc7 14. Qe2 Qc8 15. Rfe1 Re8 16. a4 e6 17. dxe6 Rxe6 18. a5 Qc6 19. Qf1 Ng4 20. Bd4 Qc7 21. f4 Bxd4+ 22. Rxd4 Ne3 23. Qf2 Rae8 24. axb6 axb6 25. Nb5 Qb8 26. Nd6 Nxg2 27. Rxe6 Rxe6 28. Nxb7 Qxb7 29. Rd8+ Kg7 30. Qd4+ Kh6 31. f5 Re4 32. Qd2+ Ne3 33. Rd4 g5 34. Rd6+ Kh5 35. Qe2+ Rg4+ 36. Kf2 Nxf5 37. Rf6 Qg2+ 38. Ke1 Qh1+ 39. Kd2 Qd5+ 40. Kc3 Nd4 41. Nxd4 Qxd4+ 42. Kb3 Qa4+ 43. Kc3 Qb4+ 44. Kd3 Qd4# 0-1

[Event "Puerto Rico Inv"]
[Site "Caguas"]
[Date "2021.05.01"]
[Round "3"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Corredor Sanchez, Fabian Ricardo"]
[Result "1/2-1/2"]
[ECO "B79"]
[WhiteElo "2166"]
[BlackElo "2056"]
[PlyCount "35"]
[EventDate "2021.04.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "PUR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Bc4 Nf6 8. f3 0-0 9. Bb3 Bd7 10. Qd2 Qa5 11. 0-0-0 Rfc8 12. h4 h5 13. Kb1 Ne5 14. Nd5 Qxd2 15. Rxd2 Nxd5 16. Bxd5 Nc4 17. Bxc4 Rxc4 18. c3 1/2-1/2

[Event "Puerto Rico Inv"]
[Site "Caguas"]
[Date "2021.04.30"]
[Round "1"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Gonzalez Soto, Pedro Jose"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2166"]
[BlackElo "1878"]
[PlyCount "43"]
[EventDate "2021.04.30"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "PUR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Nc6 9. Be2 Bg4 10. e5 cxd4 11. cxd4 Qa5+ 12. Kf1 Rd8 13. Nd2 Bxe2+ 14. Qxe2 0-0 15. Nb3 Qd5 16. Rc1 a5 17. Rc4 a4 18. Rxa4 Ra8 19. Rc4 Rxa2 20. Qxa2 Qxc4+ 21. Kg1 Rd8 22. Qb1 1/2-1/2

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.08"]
[Round "6"]
[White "Estrella Becerra, Fernando"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1932"]
[BlackElo "2193"]
[PlyCount "93"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. cxd5 exd5 5. d4 c6 6. Nf3 Bd6 7. Nc3 0-0 8. 0-0 h6 9. h3 Bf5 10. Bf4 Na6 11. Bxd6 Qxd6 12. a3 Nc7 13. Rc1 Rfe8 14. e3 Ne4 15. Nxe4 Bxe4 16. Qb3 Rab8 17. Nd2 Bxg2 18. Kxg2 Ne6 19. Nf3 g6 20. Qa4 a6 21. Qa5 Kg7 22. Qb6 Nf8 23. Qc5 Qd8 24. b4 Nd7 25. Qc2 Qe7 26. Rb1 Nb6 27. Ne5 Nc8 28. Rb3 Nd6 29. a4 Rec8 30. h4 h5 31. Qb1 Qe8 32. Nf3 b5 33. a5 Nc4 34. Qd3 Qe7 35. Rbb1 Re8 36. Nd2 Rbd8 37. Rh1 Rd6 38. Nb3 Rf6 39. Nc5 Rxf2+ 40. Kxf2 Qf6+ 41. Ke2 Qe7 42. Rhe1 Nxe3 43. Kd2 Qf6 44. Rxe3 Qf2+ 45. Re2 Rxe2+ 46. Qxe2 Qxg3 47. Qe5+ 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.08"]
[Round "7"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Ordonez Gonzalez, Gabriel"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2193"]
[BlackElo "1907"]
[PlyCount "11"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 c5 5. g3 Nc6 6. dxc5 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.07"]
[Round "5"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Prado, Leonardo"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2193"]
[BlackElo "2077"]
[PlyCount "40"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 c6 5. Bg2 Nbd7 6. 0-0 Bd6 7. Nc3 0-0 8. Nd2 Re8 9. e4 dxe4 10. Ndxe4 Nxe4 11. Nxe4 Be7 12. Qc2 b6 13. Rd1 Bb7 14. Bf4 Rc8 15. a3 h6 16. b4 Nf6 17. Rab1 Nxe4 18. Bxe4 Bd6 19. Bxd6 Qxd6 20. c5 Qe7 1-0

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.07"]
[Round "4"]
[White "Pereira Vera, Henry Alberto"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1828"]
[BlackElo "2193"]
[PlyCount "50"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nf6 3. Nf3 e6 4. c4 Be7 5. e3 0-0 6. Be2 b6 7. 0-0 c5 8. d4 Bb7 9. Nc3 Nbd7 10. Rc1 Rc8 11. Qc2 dxc4 12. Bxc4 Bxf3 13. gxf3 cxd4 14. exd4 Nh5 15. Qe4 Bg5 16. Qg4 Bxc1 17. Rxc1 Nhf6 18. Qh3 Nd5 19. Kh1 Nxc3 20. Bxc3 Nf6 21. Rg1 g6 22. Qh6 b5 23. Bd2 Qxd4 24. Bg5 bxc4 25. Rg3 Qxf2 0-1

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.06"]
[Round "3"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Rativa Jimenez, Cesar Daniel"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "2193"]
[BlackElo "1906"]
[PlyCount "65"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nc3 Qe7 7. Qd5 d6 8. exd6 cxd6 9. Qd3 Nge5 10. Nxe5 Nxe5 11. Bxe5 Qxe5 12. Qg3 0-0 13. a3 Bc5 14. e3 a5 15. Be2 Bf5 16. Rc1 Bg6 17. 0-0 f5 18. Nd5 Qxb2 19. Ne7+ Kf7 20. Nxg6 hxg6 21. Bf3 Qe5 22. Qg5 Qf6 23. Bd5+ Ke7 24. Qg3 Bxa3 25. Rb1 Rab8 26. e4 Bb4 27. exf5 gxf5 28. Rb3 Kd7 29. Re3 Rfe8 30. Rxe8 Rxe8 31. Bxb7 Re1 32. Rxe1 Bxe1 33. Qf3 1/2-1/2

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.06"]
[Round "2"]
[White "Ramos Ortiz, Carlos Alberto"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1462"]
[BlackElo "2193"]
[PlyCount "18"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. g3 Nf6 4. Bg2 Be7 5. e4 dxc4 6. Qa4+ Nc6 7. Qxc4 Nb4 8. Nb5 c6 9. Nd4 Qxd4 0-1

[Event "Bogota Navidad op"]
[Site "Bogota"]
[Date "2019.12.05"]
[Round "1"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Acero Vargas, Cristian Camilo"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2193"]
[BlackElo "1672"]
[PlyCount "55"]
[EventDate "2019.12.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. g3 d6 8. Bg2 0-0 9. Nf3 Bxa6 10. 0-0 Qb6 11. Qc2 Nbd7 12. Rb1 Rfb8 13. b3 Bb7 14. Nh4 Ne5 15. Bd2 e6 16. dxe6 fxe6 17. Rfd1 Bxg2 18. Nxg2 Nc6 19. Na4 Qb7 20. Bf4 e5 21. Be3 Nd4 22. Bxd4 cxd4 23. e3 Nd5 24. exd4 exd4 25. Ne1 Rc8 26. Qd2 Nc3 27. Nxc3 dxc3 28. Qc2 1/2-1/2

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "1.2"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2365"]
[BlackElo "2138"]
[PlyCount "45"]
[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 "Valle"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 e6 2. d4 d5 3. Nc3 Be7 4. Nf3 Nf6 5. Qc2 0-0 6. cxd5 exd5 7. Bg5 c6 8. e3 Nbd7 9. Bd3 Re8 10. 0-0 Nf8 11. h3 g6 12. Rab1 Ne6 13. Bxf6 Bxf6 14. b4 a6 15. a4 Be7 16. b5 cxb5 17. axb5 a5 18. Rfc1 b6 19. Nxd5 Ba3 20. Qc6 Bxc1 21. Qxa8 Ba3 22. Qc6 Kg7 23. Nxb6 1-0

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "3.2"]
[White "Escobar Forero, Alder"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2521"]
[BlackElo "2138"]
[PlyCount "16"]
[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 "Risaralda"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4 g6 7. Be3 Bg7 8. h3 0-0 1-0

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "5.2"]
[White "Gonzalez Parejo, Ramon Junior"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2250"]
[BlackElo "2138"]
[PlyCount "71"]
[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 "Atlantico"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. c4 0-0 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Nbd2 Nc6 10. Nxc4 Nb4 11. Qb3 c5 12. dxc5 Bxc5 13. Be3 Be7 14. Nfe5 Nfd5 15. Rfd1 Bc6 16. Nxc6 bxc6 17. Bb6 Qc8 18. e4 Nf6 19. Nd6 Bxd6 20. Rxd6 a5 21. Bxa5 Rxa5 22. Qxb4 Qc7 23. Rxc6 Qxc6 24. Qxa5 h6 25. Qb4 Qc2 26. e5 Nd5 27. Bxd5 exd5 28. a5 Qc7 29. a6 Qxe5 30. a7 Qe8 31. Qb7 Qa8 32. Qxa8 Rxa8 33. b4 d4 34. b5 d3 35. b6 d2 36. b7 1-0

[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 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "9.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Martinez Romero, Martin"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2138"]
[BlackElo "2469"]
[PlyCount "18"]
[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 "Bolivar"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 Nf6 2. g3 e6 3. Bg2 c5 4. Nc3 Nc6 5. e3 d6 6. Nge2 Be7 7. 0-0 0-0 8. d4 cxd4 9. Nxd4 d5 1/2-1/2

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "2.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Ortega, Daniel"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2138"]
[BlackElo "1982"]
[PlyCount "79"]
[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 "Sucre"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 e6 3. Nf3 f5 4. Nc3 c6 5. Bg5 Nf6 6. e3 Be7 7. Bd3 Ne4 8. Bxe7 Qxe7 9. 0-0 Nd7 10. Rc1 0-0 11. Ne2 Qd6 12. Ne1 b6 13. f3 Nef6 14. a3 a5 15. cxd5 cxd5 16. Bb5 Bb7 17. Nd3 Rac8 18. Qd2 Bc6 19. Bxc6 Rxc6 20. Rxc6 Qxc6 21. Rc1 Qb7 22. Qc3 Rb8 23. Qc6 Qxc6 24. Rxc6 Kf7 25. h4 Ke7 26. Nef4 Nf8 27. Ne5 N6d7 28. Rc7 Kd6 29. Ra7 Nxe5 30. dxe5+ Kxe5 31. Rxg7 d4 32. Kf2 dxe3+ 33. Kxe3 b5 34. Ra7 a4 35. Rf7 b4 36. Nd3+ Kd5 37. Nxb4+ Kc4 38. Ra7 Kb3 39. Nc6 Rb6 40. Nd4+ 1-0

[Event "COL-chT 21st"]
[Site "Cartagena"]
[Date "2019.11.30"]
[Round "8.2"]
[White "Pai, Juan David"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "1974"]
[BlackElo "2138"]
[PlyCount "151"]
[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 "Narino"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. g3 0-0 6. Bg2 dxc4 7. Ne5 Nc6 8. Nxc4 Nxd4 9. 0-0 c5 10. Bf4 Nd5 11. Bd2 b6 12. e3 Nc6 13. e4 Nxc3 14. Bxc3 Bb7 15. Qg4 Nd4 16. Rfd1 g6 17. Rd3 Ba6 18. b3 Bxc4 19. bxc4 e5 20. h4 h5 21. Qd1 Qd6 22. Rb1 Rad8 23. Kh1 Bf6 24. a4 Qc7 25. Bd2 Nc6 26. Be3 Rxd3 27. Qxd3 Rd8 28. Qe2 Nd4 29. Qa2 Nc6 30. Qc2 Kg7 31. Rd1 Rxd1+ 32. Qxd1 Qd8 33. Qxd8 Nxd8 34. Bh3 Nc6 35. Bd7 Na5 36. Bb5 Kf8 37. Bd2 Nb3 38. Bc3 Ke7 39. Kg2 Kd6 40. Ba6 Nd4 41. Kf1 Be7 42. Ke1 f6 43. Kd2 g5 44. hxg5 fxg5 45. Kd3 h4 46. gxh4 gxh4 47. Bc8 Ne6 48. Bxe6 Kxe6 49. Ke2 Bg5 50. Kf3 Bf6 51. Kg4 Kd6 52. f4 a6 53. f5 Kc6 54. Be1 b5 55. axb5+ axb5 56. cxb5+ Kxb5 57. Bxh4 Bxh4 58. Kxh4 c4 59. f6 c3 60. f7 c2 61. f8Q c1Q 62. Qb8+ Ka6 63. Qxe5 Qe1+ 64. Kg5 Kb6 65. Kf6 Qh4+ 66. Ke6 Qh3+ 67. Qf5 Qb3+ 68. Kf6 Qc3+ 69. e5 Kc7 70. Kf7 Kd8 71. Qf6+ Kc8 72. e6 Qc4 73. Qh8+ Kc7 74. Qe5+ Kc8 75. Kf8 Qf1+ 76. Ke8 1-0

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "2.2"]
[White "Garavito, Miguel Angel"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2217"]
[BlackElo "2233"]
[PlyCount "119"]
[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 "Tolima"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. Bd3 dxc4 9. Bxc4 g6 10. 0-0 Bg7 11. e4 0-0 12. e5 Qe7 13. Re1 b6 14. Rc1 Bb7 15. Qd2 Rfd8 16. Qf4 Kh7 17. h4 Rab8 18. a3 Nf8 19. Ne4 c5 20. dxc5 Bxe4 21. Qxe4 bxc5 22. b3 Nd7 23. h5 Nf8 24. Red1 Kg8 25. hxg6 Nxg6 26. Re1 Rd7 27. a4 Rbd8 28. Qe3 Bf8 29. g3 Bg7 30. Kg2 Rc7 31. Rh1 Qf8 32. Qe4 Qe8 33. Bb5 Qe7 34. Rc2 c4 35. Bxc4 Rc5 36. Rh5 a5 37. Re2 Rb8 38. Qe3 Rbc8 39. Rd2 Qb7 40. Kg1 Qc7 41. Re2 Rd8 42. Qe4 Qc6 43. Qe3 Rd1+ 44. Kh2 Nxe5 45. Rxe5 Rxe5 46. Qf4 Rh5+ 47. Kg2 Rf5 48. Qe4 Qxe4 49. Rxe4 Bc3 50. Re3 Bb4 51. g4 Rf4 52. Ne5 Bc5 53. Rf3 Rxf3 54. Kxf3 Kg7 55. Nd3 Bd6 56. Ke2 Rh1 57. f3 Kf8 58. Ke3 Ke7 59. Nf2 Bc5+ 60. Ke4 0-1

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "6.2"]
[White "Gonzalez Parejo, Ramon Junior"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2242"]
[BlackElo "2233"]
[PlyCount "79"]
[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 "Atlantico"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 Nf6 2. e3 d5 3. b4 Bf5 4. Bb2 e6 5. a3 h6 6. Be2 c5 7. bxc5 Bxc5 8. d4 Be7 9. c4 0-0 10. 0-0 b6 11. cxd5 exd5 12. Nbd2 Ne4 13. Nxe4 Bxe4 14. Rc1 a6 15. Qb3 b5 16. Nd2 Bf5 17. Bf3 Be6 18. Rc2 g5 19. h3 Qd7 20. Rfc1 Ra7 21. Be2 Bd6 22. Nf3 Rc7 23. Rxc7 Bxc7 24. Ne1 Nc6 25. Bc3 Rc8 26. Nd3 Bd6 27. Bf3 Ne7 28. Bb4 Rc4 29. Qb2 Nc6 30. Rd1 Qe7 31. Bxd6 Qxd6 32. Nc5 Na5 33. Be2 Rxc5 34. dxc5 Qxc5 35. Qb4 Qxb4 36. axb4 Nc6 37. Rb1 Kf8 38. Kf1 Ke7 39. Ke1 Kd6 40. Kd2 1-0

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "4.2"]
[White "Guayara Diaz, William Alonso"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1957"]
[BlackElo "2233"]
[PlyCount "46"]
[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 "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 e6 5. Nd2 Nc6 6. Bd3 Bd6 7. Bxd6 Qxd6 8. f4 cxd4 9. cxd4 Bd7 10. a3 0-0 11. Ngf3 Ne8 12. Bxh7+ Kxh7 13. Ng5+ Kg6 14. Qg4 f5 15. Qg3 Kf6 16. Qh4 Kg6 17. Qh7+ Kf6 18. Qh4 Kg6 19. Ndf3 Nf6 20. Ne5+ Nxe5 21. dxe5 Qb6 22. exf6 Qxe3+ 23. Kf1 Bb5# 0-1

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "1.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Arenas Vanegas, David"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2233"]
[BlackElo "2480"]
[PlyCount "84"]
[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 "Boyaca"]
[BlackTeam "Bolivar"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 0-0 7. Bg2 Bxc3 8. Bxc3 Ne4 9. Rc1 d6 10. 0-0 Nxc3 11. Rxc3 a5 12. d5 Nb4 13. a3 Na6 14. Ne1 e5 15. e4 Bd7 16. Nd3 a4 17. Qe2 b5 18. Nb4 Nc5 19. cxb5 Rfb8 20. Nc6 Bxc6 21. bxc6 Ra5 22. Rfc1 Rab5 23. h4 Rxb2 24. Qe3 Nb3 25. Rd1 Qf6 26. Bf1 h6 27. Kg2 g5 28. hxg5 hxg5 29. Be2 Nd4 30. Bg4 Ra2 31. Rd2 Rbb2 32. Rxb2 Rxb2 33. Rd3 Nb3 34. Qe1 Nd4 35. Qe3 Nb3 36. Qe1 Nc5 37. Rf3 Qd8 38. Bf5 Rb3 39. Qe2 Kg7 40. Qc4 Qb8 41. Qe2 Qb5 42. Qd1 Rb1 0-1

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "7.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2233"]
[BlackElo "2429"]
[PlyCount "156"]
[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 "Boyaca"]
[BlackTeam "Risaralda"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. Be3 exd4 9. Bxd4 0-0 10. Nc3 Re8 11. Rc1 Bc5 12. e3 h6 13. Na4 Bxd4 14. Nxd4 Qe7 15. Nb5 Ne5 16. c5 d5 17. Nd4 Bg4 18. Qc2 c6 19. Nb6 Rad8 20. f3 Be6 21. b3 Ned7 22. Nxd7 Nxd7 23. Qc3 Ra8 24. Rfe1 Nf6 25. a3 Bd7 26. h4 Qe5 27. Kf2 Re7 28. Ne2 Qc7 29. Nf4 Bf5 30. Bf1 Rae8 31. Qd4 Nd7 32. Bd3 Bxd3 33. Nxd3 Nf8 34. Nf4 Ne6 35. Nxe6 fxe6 36. Kg2 e5 37. Qd2 Rf7 38. Rf1 Ref8 39. Rf2 Rf6 40. Rcf1 Rg6 41. e4 Qe7 42. h5 Rg5 43. exd5 Rf4 44. g4 Qd7 45. Kg1 cxd5 46. Rg2 Qb5 47. Qxd5+ Kh8 48. a4 Qb4 49. Qd8+ Kh7 50. Qd3+ e4 51. Qe3 exf3 52. Rxf3 Rd4 53. Qc3 Qxc3 54. Rxc3 Rdxg4 55. Rxg4 Rxg4+ 56. Kf2 Rg5 57. c6 bxc6 58. Rxc6 Rxh5 59. Rb6 Rh3 60. Ke2 g5 61. Kd2 g4 62. b4 axb4 63. Rxb4 h5 64. Ke2 Kg6 65. Kf2 Ra3 66. Kg2 Kg5 67. Rb5+ Kh4 68. a5 Ra2+ 69. Kg1 g3 70. Rb4+ Kh3 71. Rb1 Rxa5 72. Rc1 Rd5 73. Rb1 h4 74. Ra1 Rd4 75. Rb1 Kg4 76. Rc1 h3 77. Kh1 Rd3 78. Rg1 h2 0-1

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "5.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Cadena Montoya, Gustavo Adolfo"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "2233"]
[BlackElo "2258"]
[PlyCount "102"]
[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 "Boyaca"]
[BlackTeam "Caqueta"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be7 5. g3 d5 6. Bg2 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. Bf4 Nh5 10. Bc1 f5 11. b3 a5 12. Bb2 Bd6 13. Nbd2 Qe7 14. Ne5 Nhf6 15. Ndf3 Ne4 16. Nd3 b6 17. Nfe5 Bb7 18. f3 Nef6 19. Nxd7 Nxd7 20. e4 c5 21. exd5 exd5 22. Rfe1 Qd8 23. Re6 Qc7 24. Rae1 cxd4 25. Bxd4 Rac8 26. Qb1 Nc5 27. Nxc5 Bxc5 28. Bxc5 Qxc5+ 29. Kh1 f4 30. gxf4 Rxf4 31. Re7 Bc6 32. Qc1 Rcf8 33. cxd5 Qxc1 34. Rxc1 Bxd5 35. Rcc7 R4f7 36. Rxf7 Rxf7 37. Rc8+ Rf8 38. Rxf8+ Kxf8 39. f4 Bf7 40. Be4 Ke7 41. Kg2 Kd6 42. Kf3 Kc5 43. Bxh7 Kb4 44. h4 Ka3 45. Kg4 Kxa2 46. h5 Kxb3 47. Bg6 Bg8 48. Be8 a4 49. Kg5 a3 50. Kg6 a2 51. Kxg7 Bc4 0-1

[Event "COL-chT rapid"]
[Site "Cartagena"]
[Date "2019.11.29"]
[Round "3.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Ortega, Daniel"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2233"]
[BlackElo "1985"]
[PlyCount "21"]
[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 "Boyaca"]
[BlackTeam "Sucre"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 e6 3. Nf3 f5 4. g3 Nf6 5. Bg2 c6 6. 0-0 Bd6 7. b3 Qe7 8. Bb2 Nbd7 9. Nc3 0-0 10. e3 b6 11. Ne2 1/2-1/2

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.28"]
[Round "7.1"]
[White "Escobar Forero, Alder"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2511"]
[BlackElo "2193"]
[PlyCount "62"]
[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 "Risaralda"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4 g6 7. d4 exd4 8. Nxd4 Bd7 9. Nxc6 Bxc6 10. Bxc6+ bxc6 11. 0-0 Bg7 12. Nc3 0-0 13. Bg5 Qc8 14. Re1 Nd7 15. Qd2 Re8 16. Bh6 Bh8 17. f4 a5 18. Rad1 Nc5 19. e5 Rb8 20. b3 a4 21. b4 Rxb4 22. exd6 Rb8 23. Rxe8+ Qxe8 24. dxc7 Rc8 25. Qd8 Ne6 26. Qxe8+ Rxe8 27. Nxa4 c5 28. Rd7 Rc8 29. Re7 Bf6 30. Nb6 Bxe7 31. Nxc8 Bf6 1-0

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.27"]
[Round "6.1"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Pai, Juan David"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2193"]
[BlackElo "2055"]
[PlyCount "85"]
[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 "Boyaca"]
[BlackTeam "Narino"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 b6 7. cxd5 exd5 8. Ne5 Bb7 9. Nc3 a6 10. Bf4 Nbd7 11. Rc1 c5 12. Nxd7 Qxd7 13. Na4 Qc6 14. dxc5 bxc5 15. Nxc5 Bxc5 16. Be3 Qb5 17. Bxc5 Rfe8 18. e3 Ne4 19. Bd4 Re6 20. Rc7 Rc8 21. Rxc8+ Bxc8 22. Bh3 Ng5 23. Bxe6 Bxe6 24. h4 Ne4 25. Re1 Qb4 26. Kg2 Bh3+ 27. Kh2 Bf5 28. f3 Nd6 29. Bc3 Qc4 30. Qd4 f6 31. Qxc4 Nxc4 32. b3 Na3 33. Rd1 Nb5 34. Rxd5 Bb1 35. Bd4 Bxa2 36. Rd8+ Kf7 37. b4 Bc4 38. g4 Ke7 39. Rc8 Bd5 40. Kg3 Kd7 41. Rh8 Nxd4 42. exd4 Kc6 43. Rxh7 1-0

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.26"]
[Round "5.1"]
[White "Florez, Luis Angel"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2133"]
[BlackElo "2193"]
[PlyCount "67"]
[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 "Cauca"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 e5 8. Nf3 Nc6 9. Bg5 Qg6 10. d5 Nb8 11. Bd3 e4 12. Bxe4 Qxe4+ 13. Kd2 Be6 14. Re1 Qxc4 15. dxe6 f6 16. Ne5 fxe5 17. Qh5+ g6 18. Qf3 Qxe6 19. Rxe5 Qxe5 20. Re1 Qxe1+ 21. Kxe1 Be7 22. Qxb7 Bxg5 23. Qxa8 Kd7 24. Qd5+ Kc8 25. Qxg5 Re8+ 26. Kf1 Nc6 27. Qd5 Ne5 28. Qa8+ Kd7 29. Qxa7 Re6 30. Qd4+ Kc8 31. h3 h5 32. Qd5 Re7 33. f4 Nf7 34. a4 1-0

[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 "2.2"]
[White "Morales, Jhon Alexander"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2404"]
[BlackElo "2193"]
[PlyCount "77"]
[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 "Valle"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. Qc2 Nbd7 6. b3 Bd6 7. Bb2 0-0 8. Be2 e5 9. cxd5 Nxd5 10. Ne4 Bc7 11. Neg5 N5f6 12. Ba3 e4 13. Nxe4 Nxe4 14. Bxf8 Nxd2 15. Qxd2 Qxf8 16. 0-0 a5 17. Rfd1 a4 18. Rac1 Qa3 19. b4 Nf8 20. Bc4 Bd7 21. Qc3 Qxc3 22. Rxc3 Be8 23. a3 Bd8 24. Rcd3 Be7 25. Ba2 g6 26. Nd2 Bd7 27. Nc4 Bf5 28. e4 Be6 29. Nb6 Ra6 30. Bxe6 Rxb6 31. Bc4 Kg7 32. Rf3 f6 33. e5 f5 34. g4 Bxb4 35. gxf5 gxf5 36. Rg3+ Ng6 37. Rd7+ Kh6 38. axb4 Rxb4 39. Bg8 1-0

[Event "COL-chT"]
[Site "Cartagena"]
[Date "2019.11.24"]
[Round "1.2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Ortega, Daniel"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2193"]
[BlackElo "2022"]
[PlyCount "50"]
[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 "Boyaca"]
[BlackTeam "Sucre"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 e6 3. Nf3 f5 4. Nc3 c6 5. Bg5 Nf6 6. e3 Be7 7. Bd3 Ne4 8. Bxe7 Qxe7 9. 0-0 Nd7 10. Rc1 0-0 11. Ne2 Rf6 12. Ne5 Nxe5 13. dxe5 Rh6 14. h3 Ng5 15. Ng3 Nf7 16. f4 Qh4 17. Qe1 g5 18. cxd5 cxd5 19. Rc7 g4 20. Nh1 Qd8 21. Rc2 gxh3 22. gxh3 Bd7 23. Kh2 Bc6 24. Nf2 Qb6 25. Rg1+ Kh8 1/2-1/2

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.11"]
[Round "6"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Zambrano Linares, Ramon Alberto"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2193"]
[BlackElo "1971"]
[PlyCount "80"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 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 Ne8 10. c5 f5 11. Nd2 Nf6 12. f3 f4 13. Nc4 g5 14. a4 Ng6 15. Ba3 Rf7 16. b5 dxc5 17. Bxc5 Bf8 18. Bf2 h5 19. a5 g4 20. Qb3 Ne8 21. Rfd1 Qg5 22. Kh1 g3 23. Bg1 Nh4 24. Bf1 Bd6 25. Ra2 Rg7 26. b6 axb6 27. axb6 Rxa2 28. Qxa2 Kh7 29. Nb5 gxh2 30. Bxh2 Bc5 31. bxc7 Nxc7 32. Nxc7 Rxc7 33. Qd2 Rg7 34. Nxe5 Qxe5 35. Qxf4 Qxf4 36. Bxf4 Bh3 37. g3 Bxf1 38. Rxf1 Ng6 39. Bb8 Rg8 40. Bc7 Rg7 1/2-1/2

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.10"]
[Round "5"]
[White "Garcia Pantoja, Roberto"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2526"]
[BlackElo "2193"]
[PlyCount "63"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. a3 0-0 9. Nc3 Nd4 10. Nxd4 exd4 11. Ne2 c5 12. Bg5 Be6 13. Bxf6 Bxf6 14. Nf4 Qe7 15. Nd5 Bxd5 16. Bxd5 Ra7 17. f4 Kh8 18. a4 g6 19. Qf3 b4 20. a5 Bg7 21. Rf2 Qd8 22. g3 Re7 23. Bc4 Qa8 24. g4 Qd8 25. Kg2 Ra7 26. h4 Ra8 27. g5 f5 28. h5 fxe4 29. dxe4 gxh5 30. Rh1 Qe8 31. Rxh5 h6 32. f5 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.10"]
[Round "4"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Pazos Gambarrotti, Plinio Efrain"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2193"]
[BlackElo "2125"]
[PlyCount "57"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5 6. Nf3 Nf6 7. Qc2 d6 8. Nd2 Qa5 9. g3 Nbd7 10. Bg2 Nb6 11. 0-0 Bd7 12. e4 0-0-0 13. Re1 fxe4 14. Nxe4 Nxc4 15. Ng5 Rde8 16. Ne6 Rhg8 17. Bf4 Nb6 18. c4 Qa4 19. Qc3 Qxc4 20. Qd2 Qa4 21. Rac1 Nc4 22. Qc3 Bb5 23. Bxd6 exd6 24. Qxf6 Bd7 25. Qf4 Ne5 26. Qd2 Bxe6 27. dxe6 Kc7 28. Rxe5 dxe5 29. Qd5 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.09"]
[Round "2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Moreno Mora, Jaime Alberto"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2193"]
[BlackElo "1875"]
[PlyCount "85"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. cxd5 Nxd5 6. Qb3 Qb6 7. Nxd5 Qxb3 8. Nc7+ Kd8 9. axb3 Kxc7 10. Ne5 Be6 11. Nc4 Nd7 12. Bf4+ Kc8 13. e4 Bxc4 14. Bxc4 e6 15. Ke2 Nf6 16. f3 Be7 17. g4 b5 18. Bd3 Rd8 19. Rhc1 Kd7 20. Ra6 Rdc8 21. g5 Nh5 22. Be3 Bd8 23. Raxc6 Rxc6 24. Bxb5 Rb8 25. Bxc6+ Ke7 26. d5 Bc7 27. Ba4 Nf4+ 28. Kf1 Bd6 29. Bxa7 Rb7 30. Bd4 f6 31. Rc3 exd5 32. gxf6+ gxf6 33. Re3 dxe4 34. Rxe4+ Kf7 35. Bc3 Nh3 36. Rh4 Ng5 37. f4 Ne6 38. Rxh7+ Ng7 39. Rh6 Be7 40. Bc6 Nf5 41. Rh7+ Kg6 42. Bxb7 Kxh7 43. Be4 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.08"]
[Round "1"]
[White "Penas Burgos, Nestor"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "1718"]
[BlackElo "2193"]
[PlyCount "62"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. f4 Bb4 5. Nf3 d6 6. 0-0 0-0 7. d3 Na5 8. Bb3 Nxb3 9. axb3 Nd7 10. Nd5 Bc5+ 11. Kh1 c6 12. Nc3 Re8 13. f5 Nf8 14. Na4 Bb4 15. c4 d5 16. Nc3 b6 17. Ra4 Bxc3 18. bxc3 Bb7 19. cxd5 cxd5 20. Bg5 f6 21. Bd2 dxe4 22. dxe4 Bc6 23. Rc4 Bb5 24. Qe2 Qd7 25. Be3 Rad8 26. Re1 Qf7 27. Qa2 Bxc4 28. bxc4 Rd3 29. Qb3 Red8 30. h3 Kh8 31. g4 Qb7 0-1

[Event "Barcelona Sants op 21st"]
[Site "Barcelona"]
[Date "2019.08.28"]
[Round "6"]
[White "Cruz, Jonathan"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2409"]
[BlackElo "2197"]
[PlyCount "75"]
[EventDate "2019.08.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. Nbd2 a6 6. c3 d6 7. Bb3 Ba7 8. Nf1 Be6 9. Bc2 h6 10. Be3 Ne7 11. d4 Ng4 12. Bc1 Ng6 13. Ng3 0-0 14. h3 Nf6 15. Be3 Re8 16. 0-0 c6 17. Qd2 Qe7 18. Rfe1 Qf8 19. Rad1 Rad8 20. Qc1 d5 21. Nxe5 Nxe5 22. dxe5 Bxe3 23. Qxe3 Nxe4 24. Nxe4 dxe4 25. Qxe4 g6 26. a3 Qc5 27. Qf4 Rxd1 28. Rxd1 Bc8 29. Rd6 Be6 30. Qf6 Qc4 31. Bxg6 fxg6 32. Qxg6+ Kf8 33. Qxh6+ Kg8 34. Qg6+ Kf8 35. Qh6+ Kg8 36. Rd4 Qe2 37. Qg5+ Kf8 38. Rf4+ 1-0

[Event "Barcelona Sants op 21st"]
[Site "Barcelona"]
[Date "2019.08.26"]
[Round "4"]
[White "Vidal Zamora, Alex"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2430"]
[BlackElo "2197"]
[PlyCount "71"]
[EventDate "2019.08.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 0-0 8. Nge2 Re8 9. Qc2 h6 10. Bf4 b6 11. 0-0 Bb7 12. Rac1 Bxf4 13. Nxf4 Qd6 14. Qe2 Nbd7 15. Qf3 Nf8 16. Nce2 Ne6 17. Nh5 Nxh5 18. Qxh5 Bc8 19. f4 Nf8 20. Rf3 Bd7 21. Rcf1 Re7 22. g4 Rae8 23. Kf2 c5 24. g5 cxd4 25. Nxd4 Qb4 26. Nb3 g6 27. Qxh6 Bg4 28. Rg3 Bh5 29. f5 Qh4 30. f6 Ne6 31. Nd4 Qxh2+ 32. Rg2 Qh4+ 33. Kg1 Qh3 34. Nxe6 Qxe3+ 35. Kh2 fxe6 36. fxe7 1-0

[Event "Barcelona Sants op 21st"]
[Site "Barcelona"]
[Date "2019.08.24"]
[Round "2"]
[White "Martinez Romero, Martin"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2418"]
[BlackElo "2197"]
[PlyCount "49"]
[EventDate "2019.08.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 e6 3. Nf3 d5 4. 0-0 Be7 5. c4 0-0 6. b3 c5 7. Bb2 Nc6 8. e3 d4 9. exd4 cxd4 10. Re1 Bd6 11. d3 e5 12. a3 a5 13. Nbd2 Ne8 14. c5 Bc7 15. Nc4 f6 16. b4 Be6 17. b5 Ne7 18. b6 Bb8 19. Nxd4 Bd5 20. Bxd5+ Qxd5 21. Ne3 Qf7 22. Ndf5 Nc6 23. Qa4 Kh8 24. Qc4 Qh5 25. h4 1-0

[Event "Tunja Boyaca op"]
[Site "Tunja"]
[Date "2019.08.03"]
[Round "6"]
[White "Ortez, Andrea"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1812"]
[BlackElo "2197"]
[PlyCount "102"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. b4 Bb6 7. a4 a6 8. 0-0 d6 9. Bg5 h6 10. Bh4 Qe7 11. Bb3 Nd8 12. Nbd2 Ne6 13. Re1 Nf4 14. Bg3 Ng6 15. d4 Be6 16. Bc2 Rad8 17. a5 Ba7 18. Nf1 Nh5 19. Ne3 Nhf4 20. Nf5 Qf6 21. Bxf4 Nxf4 22. g3 Nh3+ 23. Kg2 Ng5 24. Nxg5 hxg5 25. d5 Bd7 26. Qe2 g6 27. Ne3 Kg7 28. Ba4 Bc8 29. b5 Rh8 30. Rab1 Bc5 31. Rh1 axb5 32. Bxb5 Rh7 33. Rb2 Qe7 34. Bd3 Rdh8 35. Ra2 Rf8 36. a6 bxa6 37. Bxa6 Bh3+ 38. Kg1 Rb8 39. Bb5 Rhh8 40. c4 Ra8 41. Ba6 Rhb8 42. Bb5 Qd8 43. Rd2 Ra3 44. Qf3 Qc8 45. g4 Ra1+ 46. Rd1 Rxd1+ 47. Qxd1 Bxe3 48. fxe3 Bxg4 49. Qc2 Bf3 50. Qf2 Qg4+ 51. Qg3 Qxe4 0-1

[Event "Tunja Boyaca op"]
[Site "Tunja"]
[Date "2019.08.03"]
[Round "7"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Vargas Arteaga, Alexis"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2197"]
[BlackElo "2263"]
[PlyCount "213"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 0-0 8. 0-0 Bb7 9. Nc3 Ne4 10. d5 Nxd2 11. Qxd2 Bf6 12. e4 d6 13. Ne1 Nd7 14. Nd3 Ne5 15. Rac1 Nxd3 16. Qxd3 Bxc3 17. Rxc3 a5 18. a3 exd5 19. exd5 Re8 20. Qd2 Bc8 21. Re1 Rxe1+ 22. Qxe1 Bd7 23. Re3 Qf8 24. Re7 Qd8 25. Re3 Rb8 26. Qc3 Qf8 27. h4 Re8 28. Qe1 g6 29. Kh2 Rxe3 30. Qxe3 Qd8 31. Bh3 f5 32. Bg2 Qf8 33. f4 Qf6 34. a4 Kf8 35. Bf1 Be8 36. Be2 Bf7 37. Kg1 Qa1+ 38. Kf2 h6 39. Qd3 Qb2 40. h5 Qf6 41. hxg6 Bxg6 42. Ke3 Qe7+ 43. Kd2 Kg7 44. Qd4+ Kh7 45. Bd3 h5 46. Qa1 Qd8 47. Qh1 Qf6 48. Ke3 Kg7 49. Kd2 Qb2+ 50. Ke3 Qxb3 51. Qh4 Qxa4 52. Qe7+ Bf7 53. Qxc7 Qb4 54. Bxf5 Qc5+ 55. Qxc5 bxc5 56. Kd2 Kf6 57. Bc8 Bg6 58. Kc3 Be4 59. Bd7 Bf3 60. Kd2 Ke7 61. Ba4 Kf6 62. Bc2 Bg4 63. Bd3 Bd7 64. Kc3 Ba4 65. Be2 Be8 66. Bd3 Ba4 67. Kb2 Bd1 68. Kc1 Bb3 69. Kb2 a4 70. Ka3 Bd1 71. Kb2 Kf7 72. Ka3 Ke7 73. Kb2 Kd8 74. Ka3 Kc7 75. Kb2 Kb8 76. Ka3 Kb7 77. Kb2 Kc7 78. Ka3 Kd7 79. Kb2 Ke7 80. Ka3 Kf7 81. Kb2 Kg7 82. Ka3 Kh6 83. Kb2 h4 84. gxh4 Kh5 85. f5 Kxh4 86. f6 Bh5 87. Ka3 Kg5 88. Kxa4 Kxf6 89. Kb3 Ke5 90. Kc3 Bf3 91. Bg6 Bg4 92. Be8 Kf6 93. Ba4 Ke5 94. Be8 Bc8 95. Bh5 Bb7 96. Bf7 Bc8 97. Be8 Bf5 98. Bh5 Bh7 99. Be8 Bg8 100. Bh5 Bxd5 101. cxd5 Kxd5 102. Bf3+ Ke5 103. Kc4 Kf4 104. Ba8 Ke3 105. Bb7 Kd2 106. Ba8 Ke3 107. Kc3 1/2-1/2

[Event "COL-ch U2400"]
[Site "Moniquira"]
[Date "2019.07.22"]
[Round "7"]
[White "Cifuentes, John Jairo"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "2247"]
[BlackElo "2135"]
[PlyCount "50"]
[EventDate "2018.07.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

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. c3 Na5 10. Bc2 c5 11. Nbd2 h6 12. h3 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 Bd7 16. Be3 Bg7 17. Qd2 Kh7 18. b4 Nb7 19. a5 Rc8 20. Rac1 d5 21. Qd1 d4 22. cxd4 cxd4 23. Bd2 Bf8 24. Bb3 Be6 25. Rxc8 Qxc8 1/2-1/2

[Event "COL-ch U2400"]
[Site "Moniquira"]
[Date "2019.07.22"]
[Round "6"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Gonzalez Lopez, Nicolas Mateo"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2135"]
[BlackElo "2158"]
[PlyCount "81"]
[EventDate "2018.07.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1 f5 11. Ng5 Nf6 12. Bf3 c6 13. Be3 cxd5 14. cxd5 Kh8 15. a4 h6 16. Ne6 Bxe6 17. dxe6 f4 18. Bc1 Nc6 19. Ba3 Nd4 20. b5 Re8 21. Be2 Rc8 22. Bb4 Nxe6 23. Bf1 Nd4 24. Ra2 d5 25. Qd3 dxe4 26. Nxe4 Nxe4 27. Qxe4 Qg5 28. Bd3 Qf5 29. Bb1 f3 30. g4 Qxe4 31. Bxe4 Rc4 32. Bd6 Ne2+ 33. Raxe2 fxe2 34. Rxe2 Rxa4 35. h3 b6 36. Bc6 Re6 37. Bb8 e4 38. Rd2 Rd4 39. Ra2 Rd1+ 40. Kg2 Ra1 41. Rd2 1/2-1/2

[Event "COL-ch U2400"]
[Site "Moniquira"]
[Date "2019.07.21"]
[Round "4"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Ruiz Aguilar, Pablo Alexander"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2135"]
[BlackElo "2184"]
[PlyCount "99"]
[EventDate "2018.07.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 Qe7 9. 0-0 0-0 10. Bd2 a6 11. Bb3 c5 12. Ne4 b6 13. dxc5 Bxc5 14. Nxc5 Nxc5 15. Bb4 Bb7 16. Bxc5 bxc5 17. Nd2 Rfd8 18. Rfd1 Rac8 19. Bc4 Nd5 20. a3 Qg5 21. Bf1 f5 22. Nc4 f4 23. e4 f3 24. exd5 exd5 25. Nd2 Rf8 26. g3 Rc7 27. Re1 h5 28. h4 Qg4 29. Re5 c4 30. Rg5 Qe6 31. Qc3 g6 32. Qd4 Rcf7 33. Re5 Qf6 34. Rae1 Kh7 35. Bh3 Qd8 36. Qc5 Rg7 37. Re7 Rff7 38. Rxf7 Rxf7 39. Nxf3 Rxf3 40. Re7+ Kh6 41. Rxb7 Rd3 42. Qa7 Qh8 43. Bf1 Rf3 44. Be2 Rb3 45. Rxb3 cxb3 46. Qe3+ Kh7 47. Qxb3 Qd4 48. Qd3 Qe5 49. Qxa6 Qxb2 50. Bd3 1-0

[Event "COL-ch U2400"]
[Site "Moniquira"]
[Date "2019.07.21"]
[Round "5"]
[White "Vargas Arteaga, Alexis"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2237"]
[BlackElo "2135"]
[PlyCount "99"]
[EventDate "2018.07.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. e3 d5 4. b3 Be7 5. Bb2 0-0 6. d4 c5 7. Be2 b6 8. 0-0 Bb7 9. Nc3 Nbd7 10. Rc1 Rc8 11. Qd3 cxd4 12. exd4 Bd6 13. Rfd1 Ne4 14. Qb1 Qe7 15. Nb5 a6 16. Nxd6 Qxd6 17. Qa1 Rfd8 18. c5 Qf8 19. b4 Nb8 20. Ne5 Nf6 21. a4 Nfd7 22. Nxd7 Nxd7 23. Ba3 a5 24. c6 axb4 25. cxb7 Rb8 26. Bb2 Rxb7 27. Qa2 Nf6 28. Qb3 Ne4 29. Ba1 Qd6 30. g3 h5 31. Bxh5 b5 32. a5 Ra8 33. Bf3 Rxa5 34. Bxe4 dxe4 35. Rc8+ Kh7 36. Qe3 Qe7 37. Qxe4+ f5 38. Qf3 Qf7 39. d5 exd5 40. Qf4 Ra6 41. Qh4+ Rh6 42. Qd8 Qe6 43. Rdc1 f4 44. Qh8+ Kg6 45. Qf8 Rf7 46. R1c6 Rxf8 47. Rxe6+ Kf7 48. Rxf8+ Kxe6 49. Rxf4 Kd6 50. Bxg7 1-0

[Event "COL-ch U2400"]
[Site "Moniquira"]
[Date "2019.07.20"]
[Round "3"]
[White "Garcia Alarcon, Alvaro"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2149"]
[BlackElo "2135"]
[PlyCount "76"]
[EventDate "2018.07.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. a3 Nbd7 10. d5 Nc5 11. dxc6 Qa5 12. Nd2 Bg7 13. Bd6 Qb6 14. e5 Nd5 15. Qf3 Nf4 16. Nde4 Ncd3+ 17. Bxd3 Nxd3+ 18. Kf1 Nxe5 19. Nf6+ Bxf6 20. Qxf6 Ng6 21. Ne4 Qxc6 22. f3 Bb7 23. Rd1 Qc8 24. Ng3 Qd8 25. Qc3 Bd5 26. Bc5 Qc7 27. Bd4 Rg8 28. Qb4 a6 29. Bf6 Ne7 30. Kf2 Nc6 31. Qc3 Qb6+ 32. Ke2 g4 33. Rhe1 gxf3+ 34. gxf3 Kd7 35. Kf1 Rae8 36. a4 Kc8 37. axb5 axb5 38. Ra1 Kb7 0-1

[Event "COL-ch U2400"]
[Site "Moniquira"]
[Date "2019.07.20"]
[Round "2"]
[White "Otalora Pacheco, Carlos Eduardo"]
[Black "Cadena, Juan Manuel"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2135"]
[BlackElo "2099"]
[PlyCount "67"]
[EventDate "2018.07.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Nbd7 5. Bg2 c6 6. Qc2 Bd6 7. 0-0 0-0 8. Nc3 Re8 9. Nd2 Nf8 10. e4 dxe4 11. Ndxe4 Be7 12. Rd1 Ng6 13. Nxf6+ Bxf6 14. Be3 Bg5 15. Bxg5 Qxg5 16. b4 a5 17. b5 Bd7 18. Ne4 Qe7 19. a4 Rac8 20. Nc5 cxb5 21. axb5 b6 22. Nxd7 Qxd7 23. Bc6 Rxc6 24. bxc6 Qxc6 25. c5 h5 26. h4 Rc8 27. Rdc1 e5 28. Qb2 b5 29. Rxa5 exd4 30. Qxd4 Re8 31. Rd1 Qf3 32. Raa1 Re4 33. Rd3 Nxh4 34. Qd8+ 1-0

[Event "COL-ch U2400"]
[Site "Moniquira"]
[Date "2019.07.19"]
[Round "1"]
[White "Sanchez, Sebastian Felipe"]
[Black "Otalora Pacheco, Carlos Eduardo"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2430"]
[BlackElo "2135"]
[PlyCount "117"]
[EventDate "2018.07.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. cxd5 exd5 6. e3 Be7 7. Bd3 c6 8. Qc2 0-0 9. Nf3 Re8 10. 0-0 Nf8 11. Rab1 a5 12. a3 Be6 13. Ne5 N6d7 14. Bxe7 Qxe7 15. Nxd7 Bxd7 16. Na4 Ra7 17. Qc5 Qxc5 18. Nxc5 Bc8 19. b4 axb4 20. axb4 Nd7 21. Rfc1 Nxc5 22. Rxc5 Bd7 23. b5 Rea8 24. bxc6 bxc6 25. h4 g6 26. Kh2 Ra2 27. Kg3 Kf8 28. Rb7 R2a7 29. Rxa7 Rxa7 30. Kf4 h6 31. g4 Ke7 32. Rc1 Ra8 33. Rb1 Kd6 34. Rb7 Rg8 35. f3 f6 36. Kg3 g5 37. h5 Re8 38. Kf2 Re7 39. Ke2 Bc8 40. Rb8 Kc7 41. Ra8 Kb7 42. Ra3 Kb8 43. Kd2 Ra7 44. Rc3 Kc7 45. e4 dxe4 46. Bxe4 Bd7 47. d5 Ra6 48. dxc6 Bc8 49. Ke3 Ra5 50. Kd4 f5 51. gxf5 Bxf5 52. Bd5 g4 53. fxg4 Bxg4 54. Ke5 Bxh5 55. Kd4 Be8 56. Re3 Bxc6 57. Bxc6 Kxc6 58. Re6+ Kd7 59. Rxh6 1/2-1/2

