[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.23"]
[Round "7"]
[White "Aguilar, Jordy Steeven"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1565"]
[BlackElo "1744"]
[PlyCount "88"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 Nc6 4. Ne2 Nb4 5. c4 Nxd3+ 6. Qxd3 c6 7. h3 g6 8. 0-0 Bg7 9. Nbc3 Qc7 10. f4 e5 11. fxe5 dxe5 12. Bg5 Nd7 13. d5 0-0 14. Be7 Re8 15. d6 Qb6+ 16. Kh1 Nc5 17. Qf3 Be6 18. Nd5 cxd5 19. cxd5 Bxd5 20. exd5 f5 21. Qg3 Ne4 22. Qa3 Bf8 23. g4 Nxd6 24. Bxf8 Rxf8 25. gxf5 Rxf5 26. Ng3 Rf4 27. Kg2 Raf8 28. Qc3 Rf2+ 29. Kh1 Qxb2 30. Qxb2 Rxb2 31. Rfe1 Rff2 32. Rxe5 Rh2+ 33. Kg1 Rbg2+ 34. Kf1 Rxg3 35. Rae1 Rh1+ 36. Kf2 Rxe1 37. Kxe1 Rxh3 38. Re6 Nf5 39. Re8+ Kf7 40. Rb8 Re3+ 41. Kd2 Re7 42. Kd3 Rd7 43. Ke4 h5 44. Rc8 Nd6+ 0-1

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.23"]
[Round "6"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Parra Pino, Jesus David"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1744"]
[BlackElo "1365"]
[PlyCount "31"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. Nc3 a6 9. b3 Qc7 10. Bb2 Nc6 11. e4 Bg4 12. f3 Nxd4 13. Qxd4 Nd7 14. Qxg7+ Kxg7 15. Nd5+ Kg8 16. Nxe7# 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.22"]
[Round "5"]
[White "Polo, Victor Ramon"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2102"]
[BlackElo "1744"]
[PlyCount "199"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. Be2 e6 6. Ng1 Bxe2 7. Ngxe2 d5 8. Qd3 Qa5 9. 0-0 Be7 10. exd5 cxd5 11. Qb5+ Qxb5 12. Nxb5 Kd7 13. a4 Nc6 14. c3 a6 15. Na3 Na5 16. Nb1 Nb3 17. Ra2 Nxc1 18. Nxc1 b5 19. Nd3 Bd6 20. Nd2 Rhc8 21. Nb3 Ke7 22. axb5 axb5 23. Rfa1 Rab8 24. Ra7+ Ke8 25. R1a6 Be7 26. Na5 Bd8 27. Nc6 Rb6 28. Nxd8 Rxa6 29. Rxa6 Kxd8 30. Ne5 Ke8 31. Rb6 Nd7 32. Nxd7 Kxd7 33. Rxb5 Ra8 34. Kf1 Kc6 35. Rb3 Ra1+ 36. Ke2 Rc1 37. h4 Rc2+ 38. Ke3 Kc7 39. Rb5 h6 40. h5 g6 41. hxg6 fxg6 42. g3 h5 43. f4 h4 44. gxh4 Rh2 45. Rc5+ Kd7 46. b4 Rh3+ 47. Kf2 Rxh4 48. Kg3 Rh1 49. c4 dxc4 50. Rxc4 Rb1 51. Kg4 Kd6 52. Kg5 Kd5 53. Rc5+ Kxd4 54. Re5 Rg1+ 55. Kf6 Rf1 56. Kxe6 Rxf4 57. b5 Rf7 58. Rg5 Rb7 59. Kd6 Kc4 60. Kc6 Rb8 61. Rg4+ Kd3 62. b6 Ke3 63. b7 Rg8 64. Kc7 Rg7+ 65. Kb6 Rg8 66. Ka7 Kf3 67. Rxg6 Rxg6 68. b8Q Rg4 69. Qf8+ Rf4 70. Qd6 Rf7+ 71. Kb6 Rf4 72. Kc5 Kg4 73. Qg6+ Kf3 74. Kd5 Kf2 75. Ke5 Rf3 76. Qg4 Rg3 77. Qf4+ Rf3 78. Qd2+ Kg3 79. Ke4 Rf2 80. Qg5+ Kh2 81. Ke3 Rg2 82. Qh4+ Kg1 83. Qh3 Rh2 84. Qg4+ Rg2 85. Qd1+ Kh2 86. Qf1 Rg3+ 87. Kf4 Rg4+ 88. Ke3 Rg3+ 89. Ke4 Rg4+ 90. Kf5 Rg2 91. Qf4+ Kg1 92. Ke4 Re2+ 93. Kd3 Rg2 94. Qd4+ Kh2 95. Ke3 Rg3+ 96. Kf2 Rg2+ 97. Kf1 Rg3 98. Qh4+ Rh3 99. Qf4+ Rg3 100. Kf2 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.22"]
[Round "4"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Gonzalez Gomez, Luis Eduardo"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1744"]
[BlackElo "1600"]
[PlyCount "51"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. Bg2 e5 4. cxd5 cxd5 5. d4 e4 6. Nc3 Nf6 7. Bg5 Bb4 8. Qb3 Nc6 9. e3 0-0 10. Bxf6 gxf6 11. Nge2 Be6 12. 0-0 Qd7 13. Nf4 Bxc3 14. bxc3 Na5 15. Qd1 Bg4 16. Nxd5 Kg7 17. f3 Qxd5 18. fxg4 Nc4 19. Qc2 Nd6 20. Rf4 Rfe8 21. Raf1 Re6 22. Qf2 Rc8 23. Rxf6 Rc7 24. Qf4 Rxf6 25. Qxf6+ Kf8 26. Qd8+ 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.21"]
[Round "3"]
[White "Molina, Gildardo"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1939"]
[BlackElo "1744"]
[PlyCount "91"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 exd4 7. Nxd4 g6 8. 0-0 Bg7 9. Kh1 0-0 10. Nf3 Nbd7 11. Qe1 Nc5 12. Bd2 Nxd3 13. cxd3 Qa6 14. d4 d5 15. e5 Ng4 16. Ne2 Bf5 17. Ng3 Bd3 18. Rg1 Qb6 19. h3 Nh6 20. Qe3 Nf5 21. Nxf5 Bxf5 22. Bc3 Rfe8 23. Kh2 f6 24. Rae1 Bh6 25. g3 Be4 26. exf6 Qd8 27. Ne5 Qxf6 28. Rgf1 Qe6 29. g4 Bg7 30. Rf2 a5 31. Ref1 Rf8 32. Qg3 b5 33. b3 b4 34. Bd2 Rac8 35. f5 Qe7 36. fxg6 Rxf2+ 37. Rxf2 Bxe5 38. gxh7+ Bxh7 39. dxe5 c5 40. h4 c4 41. Bg5 Qe8 42. Bf6 c3 43. Qf3 Qe6 44. Qf4 Qf7 45. e6 Qg6 46. h5 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.21"]
[Round "2"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Lozada, Oscar Alexander"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1744"]
[PlyCount "85"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 d6 4. Nf3 Nf6 5. Bg2 e5 6. d3 Be7 7. Bg5 Bg4 8. h3 Bh5 9. g4 Bg6 10. Nh4 Qd7 11. Qa4 Rc8 12. 0-0-0 a6 13. Rdf1 0-0 14. f4 exf4 15. Bxf4 Rc7 16. Bd2 Nd4 17. Qd1 b5 18. Nxg6 hxg6 19. e3 Ne6 20. h4 b4 21. Nd5 Nxd5 22. Bxd5 g5 23. hxg5 Bxg5 24. Qf3 Qe7 25. Qf5 Bh6 26. Rh2 g6 27. Qf3 Ng5 28. Qh1 Bg7 29. e4 Qe5 30. Bxg5 Qxg5+ 31. Kb1 Qe3 32. Rf3 Qd4 33. Qf1 Be5 34. Rhf2 Kg7 35. Rxf7+ Rfxf7 36. Bxf7 a5 37. Be8 Ra7 38. Qe2 a4 39. Qf3 a3 40. g5 axb2 41. Qf8+ Kh7 42. Bxg6+ Kxg6 43. Qh6# 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.20"]
[Round "1"]
[White "Gutierrez Cabrera, Maria De Los Angele"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1391"]
[BlackElo "1744"]
[PlyCount "90"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. h3 Bh5 6. Bf4 e6 7. Bd3 Qa5 8. 0-0 Bxf3 9. Qxf3 d5 10. e5 Nfd7 11. a3 c5 12. dxc5 Qxc5 13. Rfe1 Nc6 14. Rad1 Be7 15. Nb5 Qb6 16. Qe3 Qxe3 17. Rxe3 Rc8 18. Nd6+ Bxd6 19. exd6 0-0 20. Rg3 Kh8 21. Bd2 Nde5 22. Bc3 d4 23. Bb4 Nxb4 24. axb4 Nxd3 25. cxd3 Rfd8 26. Rf3 f6 27. Re1 Rxd6 28. Re4 e5 29. Rg3 Rb6 30. Reg4 Rc1+ 31. Kh2 Rc7 32. Re4 Rxb4 33. Re1 Rxb2 34. Ra1 b5 35. Ra5 b4 36. Rg4 Rxf2 37. Re4 Rb7 38. Re1 b3 39. Rc1 Kg8 40. Rac5 b2 41. Rc8+ Kf7 42. R8c7+ Kg6 43. Rxb7 bxc1Q 44. Rxa7 Qf4+ 45. Kg1 Rf1# 0-1

[Event "Bogota El Tablazo op-B"]
[Site "Bogota"]
[Date "2022.06.27"]
[Round "6.28"]
[White "Delgado Caballero, Kevin Daniel"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1386"]
[BlackElo "1777"]
[PlyCount "122"]
[EventDate "2022.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Be3 Qb6 5. Rb1 Ng4 6. Qd2 Nxe3 7. Qxe3 e5 8. Nf3 Bg4 9. Bc4 f6 10. dxe5 Qxe3+ 11. fxe3 dxe5 12. 0-0 Nd7 13. h3 Bh5 14. b4 b5 15. Be6 0-0-0 16. Rfd1 Kc7 17. a4 a6 18. axb5 axb5 19. Ra1 Bxb4 20. Nxb5+ cxb5 21. Ra7+ Kb6 22. Rdxd7 Rxd7 23. Rxd7 Re8 24. Bd5 Re7 25. Rxe7 Bxe7 26. Nh4 Bd1 27. Bb3 Kc5 28. Kf2 Kb4 29. Ke1 Bh5 30. g4 Be8 31. Nf5 Bf8 32. Kf2 Kc3 33. Ke2 b4 34. Kf3 Bb5 35. h4 Kd2 36. g5 Be2+ 37. Kf2 Bd1 38. gxf6 gxf6 39. Ng3 Bxc2 40. Bg8 h6 41. Nh5 Be7 42. Kg3 b3 43. Kg4 b2 44. Ba2 Bd1+ 45. Kf5 Bxh5 46. Bb1 Kc1 47. Ba2 b1Q 48. Bxb1 Kxb1 49. Ke6 Bd8 50. Kd7 Bb6 51. Ke6 Bxe3 52. Kxf6 Bf4 53. Kf5 Kc2 54. Kf6 Kd3 55. Kg7 Kxe4 56. Kh7 Kf5 57. Kh8 Kf6 58. Kg8 e4 59. Kh8 Kf7 60. Kh7 Bg6+ 61. Kh8 Be5# 0-1

[Event "Bogota El Tablazo op-B"]
[Site "Bogota"]
[Date "2022.06.26"]
[Round "4.30"]
[White "Ladino Hernandez, Angel Joel"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1151"]
[BlackElo "1777"]
[PlyCount "64"]
[EventDate "2022.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. e5 d6 4. exd6 Qxd6 5. Nf3 Bg4 6. c3 e5 7. Qa4+ Bd7 8. Qd1 Nc6 9. d5 Nce7 10. c4 f5 11. Nc3 0-0-0 12. Be3 Qb4 13. a3 Qxb2 14. Ra2 e4 15. Rxb2 Bxc3+ 16. Nd2 Bxb2 17. Qb1 Bc3 18. Qb3 Bxd2+ 19. Bxd2 Nf6 20. Bc3 Rhf8 21. Bxf6 Rxf6 22. c5 c6 23. d6 Nd5 24. Qa4 Kb8 25. Be2 f4 26. Bd1 f3 27. g3 e3 28. Bb3 exf2+ 29. Kxf2 Re8 30. Qh4 Re2+ 31. Kg1 f2+ 32. Kg2 Ne3# 0-1

[Event "Bogota El Tablazo op-B"]
[Site "Bogota"]
[Date "2022.06.26"]
[Round "5.22"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Arenas Pinilla, Edwin"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1777"]
[BlackElo "1434"]
[PlyCount "90"]
[EventDate "2022.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. e4 Nxd4 10. Qxd4 0-0 11. Qd3 Rb8 12. Bf4 d6 13. Rad1 Ng4 14. b3 Ne5 15. Qd2 f5 16. Bh6 fxe4 17. Bxg7 Kxg7 18. Nxe4 Bxe4 19. Bxe4 Qc7 20. Qd4 Qc5 21. Qxc5 bxc5 22. f4 Ng4 23. Rfe1 Nf6 24. Bc6 Ng8 25. Re2 Rbc8 26. Bd5 Rc7 27. Rde1 Re8 28. Re6 Kf8 29. g4 Nf6 30. Bf3 Rec8 31. g5 Ne8 32. Bg4 Rb8 33. h4 Ng7 34. R6e2 Nf5 35. Bxf5 gxf5 36. Re6 Kf7 37. h5 Rg8 38. Kf2 a5 39. R1e3 Ra7 40. Ke2 Rb8 41. g6+ hxg6 42. hxg6+ Kf8 43. g7+ Kf7 44. Kd2 Rg8 45. Kc2 Rxg7 0-1

[Event "Bogota El Tablazo op-B"]
[Site "Bogota"]
[Date "2022.06.25"]
[Round "2.19"]
[White "Sanchez, Andres Felipe"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "A21"]
[BlackElo "1777"]
[PlyCount "71"]
[EventDate "2022.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 d6 2. Nf3 e5 3. g3 f5 4. d3 Nf6 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 c6 8. b3 Qe8 9. e4 Na6 10. exf5 Bxf5 11. Be3 Qh5 12. Ne1 Qg6 13. h3 Rad8 14. Nf3 Nd7 15. d4 Nb4 16. Ne1 Bf6 17. g4 Bc2 18. Qd2 exd4 19. Bxd4 Bg5 20. f4 Bh4 21. a3 Bxe1 22. Raxe1 Qd3 23. Qf2 c5 24. Be4 Qxd4 25. Qxd4 cxd4 26. axb4 Bxb3 27. Bd5+ Kh8 28. Nb5 Nb6 29. Nxd4 Nxd5 30. Nxb3 Nxb4 31. Re7 Rc8 32. Rxb7 Rxc4 33. Rxa7 Rc3 34. Nd4 Rxh3 35. Ne6 Rg8 36. Ng5 1-0

[Event "Bogota El Tablazo op-B"]
[Site "Bogota"]
[Date "2022.06.25"]
[Round "3.23"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Delgado Caballero, Nigel Alejandro"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1777"]
[BlackElo "1353"]
[PlyCount "50"]
[EventDate "2022.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d3 d6 6. Rb1 c5 7. Nf3 Nc6 8. 0-0 Bd7 9. a3 Ne8 10. Bd2 a5 11. Ne1 Nc7 12. Nc2 Rb8 13. b4 Ne6 14. Nd5 axb4 15. axb4 b6 16. b5 Ncd4 17. e3 Nxc2 18. Qxc2 Nc7 19. Nc3 Bc8 20. Na4 Bb7 21. f3 Ne6 22. Bc3 d5 23. Bxg7 Kxg7 24. cxd5 Bxd5 25. Nb2 Qd7 0-1

[Event "Bogota El Tablazo op-B"]
[Site "Bogota"]
[Date "2022.06.24"]
[Round "1.21"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Tascon, Diego Alejandro"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1777"]
[BlackElo "1061"]
[PlyCount "101"]
[EventDate "2022.06.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c6 5. e4 d6 6. Nf3 e5 7. d4 exd4 8. Nxd4 0-0 9. 0-0 Be6 10. Nxe6 fxe6 11. Bf4 e5 12. Bg5 h6 13. Be3 Qe7 14. h3 Na6 15. Qd2 Kh7 16. Rad1 Rad8 17. Bxa7 Nc5 18. Bb6 Rd7 19. b4 Ne6 20. Be3 Ne8 21. a4 Nd4 22. Bxd4 exd4 23. Ne2 c5 24. Nf4 g5 25. Nd5 Qe6 26. Qd3 Qg6 27. Kh2 Rdf7 28. f4 Nf6 29. f5 Qh5 30. Bf3 g4 31. Nxf6+ Bxf6 32. Bxg4 Qg5 33. Qf3 Be5 34. Bh5 Rg7 35. Bg6+ Kg8 36. Qd3 h5 37. Kg2 h4 38. g4 Bg3 39. Qd2 Qxd2+ 40. Rxd2 Ra8 41. bxc5 dxc5 42. Ra1 Re7 43. Kf3 Kg7 44. Rb2 Kf6 45. Rb6+ Kg5 46. Bf7 Ra6 47. Rxa6 bxa6 48. Bd5 Bc7 49. Rb1 Ba5 50. Rb7 Kf6 51. g5+ 1-0

[Event "Bogota Excalibur op"]
[Site "Bogota"]
[Date "2022.03.21"]
[Round "7"]
[White "Barrera Caicedo, Hubert Steven"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1870"]
[BlackElo "1764"]
[PlyCount "26"]
[EventDate "2022.03.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. Be2 e6 6. h3 Bxf3 7. Bxf3 d5 8. e5 Nfd7 9. 0-0 c5 10. Ne2 cxd4 11. Nxd4 Nc6 12. Nxc6 bxc6 13. Be3 Be7 0-1

[Event "Bogota Excalibur op"]
[Site "Bogota"]
[Date "2022.03.21"]
[Round "6"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Fierro, Hernando Alfonso"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "1764"]
[PlyCount "29"]
[EventDate "2022.03.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 e5 4. Bg2 Bg7 5. d3 c6 6. Nf3 d6 7. b4 Be6 8. e4 Nbd7 9. Ng5 Qe7 10. 0-0 0-0 11. Rb1 Rab8 12. a4 h6 13. Nxe6 fxe6 14. Be3 b6 15. Qd2 1/2-1/2

[Event "Bogota Excalibur op"]
[Site "Bogota"]
[Date "2022.03.20"]
[Round "5"]
[White "Ramos Ortiz, Carlos Alberto"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1576"]
[BlackElo "1764"]
[PlyCount "56"]
[EventDate "2022.03.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 e5 3. g3 f5 4. Bg2 Nf6 5. d3 c6 6. f4 Qc7 7. Nf3 Be7 8. b4 exf4 9. gxf4 Qb6 10. a3 Ng4 11. d4 a5 12. Na4 Qd8 13. 0-0 axb4 14. axb4 b5 15. cxb5 cxb5 16. Ne5 Rxa4 17. Rxa4 bxa4 18. Qxa4+ Bd7 19. Nxd7 Qxd7 20. b5 0-0 21. Bc6 Nxc6 22. bxc6 Qc7 23. d5 Qb6+ 24. Kh1 Rf6 25. Qa8+ Bd8 26. h3 Rh6 27. Kg2 Nf6 28. Be3 Qxe3 0-1

[Event "Bogota Excalibur op"]
[Site "Bogota"]
[Date "2022.03.19"]
[Round "3"]
[White "Velasquez Guevara, Nilson Fernando"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1764"]
[PlyCount "100"]
[EventDate "2022.03.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 c6 4. d4 Bg4 5. Be2 e6 6. h3 Bxf3 7. Bxf3 d5 8. e5 Nfd7 9. 0-0 c5 10. Be3 cxd4 11. Bxd4 Nc6 12. Re1 Nxd4 13. Qxd4 Bc5 14. Qa4 Qb6 15. Rf1 0-0-0 16. Rae1 Kb8 17. Qb3 Qxb3 18. axb3 Bd4 19. Nb5 Bxe5 20. Ra1 a6 21. Nc3 Rc8 22. Be2 Bxc3 23. bxc3 Rxc3 24. Ra2 Rhc8 25. Bd3 g6 26. f4 Nc5 27. Be2 Ne4 28. Bd3 Ng3 29. Rf3 Nf5 30. Bxf5 Rxf3 31. gxf3 gxf5 32. Kf2 Rc3 33. Kg3 Kc7 34. b4 Kc6 35. Kf2 Kb5 36. Ke2 b6 37. Rb2 h6 38. Kf2 Rc4 39. Kg3 Rxb4 40. Ra2 Rc4 41. h4 a5 42. Rb2+ Kc5 43. h5 a4 44. Ra2 b5 45. Kf2 Rxf4 46. Ke3 Rh4 47. c3 Rxh5 48. Rg2 Rg5 49. Rh2 Rg6 50. Kd3 e5 0-1

[Event "Bogota Excalibur op"]
[Site "Bogota"]
[Date "2022.03.19"]
[Round "2"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Moscoso Herrera, Alexander"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1764"]
[PlyCount "62"]
[EventDate "2022.03.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c6 5. e4 d6 6. d4 0-0 7. Nf3 Qb6 8. 0-0 Bg4 9. h3 Bxf3 10. Bxf3 Nbd7 11. b3 c5 12. Be3 Qb4 13. Nb5 cxd4 14. Bxd4 Qa5 15. Bc3 Qd8 16. Qd2 a6 17. Nd4 Ne5 18. Bg2 Rc8 19. Rad1 Qc7 20. f4 Ned7 21. Kh2 Nc5 22. Qe2 e5 23. Nc2 exf4 24. gxf4 Rfe8 25. e5 dxe5 26. Bxe5 Nh5 27. Qxh5 Rxe5 28. Qf3 Rf5 29. Nb4 Rxf4 30. Qg3 Be5 31. Rfe1 Re4 0-1

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.12"]
[Round "8"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Ramos, Edisson"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1838"]
[BlackElo "1246"]
[PlyCount "61"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 e6 4. Bg2 Bb4 5. a3 Bxc3 6. bxc3 0-0 7. Rb1 c6 8. d3 d5 9. cxd5 cxd5 10. Nf3 Nc6 11. 0-0 b6 12. Bf4 Qe7 13. Qb3 Kh8 14. Ne5 Nxe5 15. Bxe5 Nd7 16. Bf4 e5 17. Bd2 e4 18. a4 Bb7 19. a5 Qe6 20. axb6 axb6 21. Be3 Rf6 22. Rb2 Ba6 23. Ra1 b5 24. dxe4 fxe4 25. Bd4 Rg6 26. Qxb5 h6 27. Qb4 Rb8 28. Qa3 Rxb2 29. Qxb2 Bc4 30. e3 Ne5 31. Qb8+ 1-0

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.11"]
[Round "6"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Escobar, Camilo Hernando"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1838"]
[BlackElo "1701"]
[PlyCount "52"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. d3 Bb4 5. a3 Bxc3+ 6. bxc3 Nf6 7. Bg2 h6 8. Nh3 0-0 9. f4 d6 10. Rb1 Qe8 11. Nf2 Rb8 12. 0-0 Be6 13. Qa4 Qh5 14. Bf3 Qf7 15. e4 fxe4 16. Nxe4 Bh3 17. Nxf6+ Qxf6 18. Rf2 exf4 19. Bd5+ Kh8 20. Rxf4 Qxc3 21. Qd1 Rxf4 22. Bxf4 Qd4+ 23. Kh1 Ne5 24. Bxe5 dxe5 25. Rxb7 Rf8 26. Be4 Qf2 0-1

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.10"]
[Round "4"]
[White "Penagos, Laura Valentina"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1540"]
[BlackElo "1838"]
[PlyCount "91"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 exd4 7. Nxd4 g6 8. Be3 Bg7 9. Qd2 Nbd7 10. Nb3 Qc7 11. h3 b5 12. 0-0 Bb7 13. Bxb5 cxb5 14. Nxb5 Qc6 15. Nxd6+ Kf8 16. Qb4 Kg8 17. Nxb7 Bf8 18. N3a5 Qxc2 19. Qd4 Qxe4 20. Qxe4 Nxe4 21. Rad1 Ndf6 22. Bd4 Bg7 23. g4 h5 24. g5 Ne8 25. Rfe1 Ng3 26. Nc6 Nc7 27. Bxg7 Kxg7 28. Re7 Ne6 29. Rdd7 Ne2+ 30. Kf1 N2xf4 31. Rxf7+ Kg8 32. Nbd8 Nxd8 33. Nxd8 Rxd8 34. Rxd8+ Kxf7 35. Rxh8 Nxh3 36. Rh7+ Ke6 37. Rxa7 Nxg5 38. b4 Ne4 39. b5 Kd5 40. a4 Kc5 41. Rc7+ Kb6 42. Rc6+ Ka5 43. Ra6+ Kb4 44. b6 Nd6 45. b7 Nxb7 46. Rb6+ 1-0

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.09"]
[Round "3"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Bautista Chiquillo, Leidy Johanna"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1838"]
[BlackElo "1638"]
[PlyCount "31"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. d3 0-0 7. 0-0 Nc6 8. Bg5 Be6 9. e4 Qd7 10. Nd5 Bxd5 11. cxd5 Nd4 12. Nxd4 exd4 13. Rc1 b6 14. Qc2 Rac8 15. Bxf6 Bxf6 16. f4 1-0

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.08"]
[Round "1"]
[White "Riano Espinoza, Laura Sofia"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1131"]
[BlackElo "1838"]
[PlyCount "28"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. Be2 e6 6. Bg5 Be7 7. 0-0 Bxf3 8. Bxf3 d5 9. e5 Nfd7 10. Bxe7 Qxe7 11. Qd2 c5 12. Rfe1 cxd4 13. Qxd4 Nc6 14. Qe3 d4 0-1

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.07"]
[Round "6"]
[White "Ramirez, Andres Felipe"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1761"]
[BlackElo "1829"]
[PlyCount "119"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. d5 f5 4. Nc3 Nf6 5. Bg5 Be7 6. Qc2 Nxd5 7. cxd5 Bxg5 8. e4 0-0 9. Nf3 Be7 10. Bd3 f4 11. 0-0 a5 12. a3 Na6 13. Nd2 Qe8 14. Rac1 f3 15. Nxf3 Rxf3 16. gxf3 Bh3 17. Kh1 Bxf1 18. Rxf1 Qh5 19. Be2 Qh3 20. Rg1 Bh4 21. Rg2 Nc5 22. b4 axb4 23. axb4 Nd7 24. f4 Nf6 25. fxe5 dxe5 26. Nd1 Qd7 27. Ne3 Ne8 28. Nf5 Bf6 29. h3 Kh8 30. Bg4 Qb5 31. Qc5 Qxc5 32. bxc5 g6 33. Ne3 Kg7 34. Rg1 Be7 35. c6 b6 36. Bd7 Nf6 37. Nc4 Nxd7 38. cxd7 Rd8 39. Nxe5 Bd6 40. Nc6 Rxd7 41. e5 Bc5 42. e6 Rxd5 43. Rf1 Kf8 44. Kg1 Ke8 45. Ra1 Kf8 46. Ra8+ Kg7 47. e7 Rg5+ 48. Kf1 Bxe7 49. Nxe7 Kf7 50. Nc6 Ke6 51. Nd4+ Kd5 52. Rd8+ Kc4 53. Ne6 Rh5 54. Kg2 c5 55. Kg3 b5 56. Nf4 Rg5+ 57. Kh4 Rf5 58. Kg4 b4 59. Nd3 b3 60. f4 0-1

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.07"]
[Round "7"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Molina Valdes, Luisa Fernanda"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "1829"]
[BlackElo "1651"]
[PlyCount "57"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d3 d6 6. e4 c6 7. Nge2 e5 8. b4 Nbd7 9. 0-0 Ne8 10. Be3 f5 11. Qd2 Nef6 12. Rab1 a5 13. b5 c5 14. a4 Rb8 15. Bg5 b6 16. exf5 gxf5 17. Bd5+ Kh8 18. Be6 Qe8 19. Bxf5 Qh5 20. Be4 Ng4 21. h4 h6 22. Be7 Rf7 23. Bxd6 Bf6 24. f3 Nh2 25. Kxh2 Bxh4 26. g4 Bg3+ 27. Kxg3 Rg7 28. Rh1 Qg5 29. Rxh6+ 1-0

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.06"]
[Round "5"]
[White "Molano, Walter Rene"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1727"]
[BlackElo "1829"]
[PlyCount "31"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 Bg4 4. d4 c6 5. h3 Bh5 6. Bc4 b5 7. Bd3 e5 8. d5 a6 9. Bg5 Be7 10. Bxf6 Bxf6 11. dxc6 Nxc6 12. Nd5 0-0 13. c3 Bg5 14. g4 Bg6 15. h4 f5 16. Nxg5 1-0

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.06"]
[Round "4"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Ocampo Betancur, Cristina Angela"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "1829"]
[BlackElo "1998"]
[PlyCount "72"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bf5 5. 0-0 h6 6. b3 e6 7. Bb2 Bd6 8. d3 0-0 9. Nbd2 Nbd7 10. Re1 Bh7 11. d4 Re8 12. Ne5 Rc8 13. c5 Be7 14. Ndf3 Ne4 15. Nxd7 Qxd7 16. Ne5 Qc7 17. f3 Nf6 18. b4 b6 19. Qd2 Nd7 20. Nxd7 Qxd7 21. cxb6 axb6 22. Rec1 c5 23. bxc5 bxc5 24. Ba3 c4 25. Bxe7 Rxe7 26. Rc3 Qa4 27. e4 Rb8 28. exd5 exd5 29. f4 Be4 30. Re1 f5 31. g4 Reb7 32. Qd1 Qxa2 33. Re2 Rb2 34. Rce3 c3 35. gxf5 Rxe2 36. Rxe2 Rb1 0-1

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.05"]
[Round "2"]
[White "Florez, Carlos Julio"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2045"]
[BlackElo "1829"]
[PlyCount "38"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Bf4 g6 5. Qd2 Qa5 6. 0-0-0 b5 7. e5 b4 8. Nb1 dxe5 9. dxe5 Nd5 10. Bc4 e6 11. Nf3 Ba6 12. Bb3 Nd7 13. Rhe1 Nc5 14. Ng5 Be7 15. Ne4 Nxb3+ 16. axb3 Rd8 17. Bg5 f6 18. exf6 Nc3 19. fxe7 Na2# 0-1

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.05"]
[Round "3"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Nieto Medina, Agustin"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1829"]
[BlackElo "2110"]
[PlyCount "74"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 5. Nf3 Nc6 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Qa5 9. Nc2 d6 10. e4 Bg4 11. f3 Be6 12. Nd5 Rac8 13. b4 Qd8 14. Bb2 Bxd5 15. cxd5 Qb6+ 16. Kh1 Nxb4 17. Bd4 Qa5 18. Nxb4 Qxb4 19. Rb1 Qc4 20. Rxb7 Rc7 21. Rxc7 Qxc7 22. Qa4 Nd7 23. Qxa7 Qxa7 24. Bxa7 Ra8 25. Bg1 Rxa2 26. Rb1 Bf6 27. Be3 Kg7 28. h4 Ne5 29. Bd4 Nc4 30. Rc1 Ra4 31. Bxf6+ Kxf6 32. Rc3 Ke5 33. Rd3 f5 34. f4+ Kf6 35. Rd4 Ra1+ 36. Kh2 Ne3 37. exf5 Ra2 0-1

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.04"]
[Round "1"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Loaiza Ferreira, Luis Angel"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1829"]
[PlyCount "43"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 c6 2. g3 d6 3. Bg2 g6 4. Nf3 Bg7 5. e4 Bg4 6. h3 Bxf3 7. Qxf3 Nf6 8. Qb3 Qc7 9. d4 0-0 10. 0-0 Nbd7 11. Nc3 Rab8 12. Re1 e5 13. Be3 a6 14. a4 exd4 15. Bxd4 c5 16. Be3 Rfe8 17. Rad1 Rbd8 18. Rd2 Ne5 19. Red1 Nc6 20. Bg5 h6 21. Bxf6 Bxf6 22. Nd5 1-0

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.03.01"]
[Round "9"]
[White "Guerra, Miguel"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1654"]
[BlackElo "1819"]
[PlyCount "108"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. a3 Be6 6. e4 Nd7 7. Be3 Nc5 8. Nd2 c6 9. Ngf3 f6 10. 0-0-0 Kc7 11. Be2 Nh6 12. h3 Nf7 13. b4 Nd7 14. Nb3 Nd6 15. Nfd2 Be7 16. Kb2 f5 17. f3 fxe4 18. c5 Nf5 19. Bg1 Ng3 20. Bh2 Nxe2 21. Nxe4 Bxb3 22. Kxb3 Nf4 23. Rd2 Nf6 24. Ng5 Nd7 25. Bxf4 exf4 26. Ne6+ Kc8 27. Rhd1 Nf6 28. Nxg7 Rd8 29. Nf5 Rxd2 30. Nxe7+ Kd8 31. Nxc6+ bxc6 32. Rxd2+ Nd5 33. b5 Kc7 34. a4 Re8 35. a5 Re3+ 36. Kb2 Kb7 37. h4 Re5 38. Kb3 Rh5 39. Kc4 cxb5+ 40. Kxb5 a6+ 41. Kc4 Kc6 42. Rb2 Rxh4 43. Rb8 Rh5 44. Ra8 Nc7 45. Rf8 Rxc5+ 46. Kb4 Nd5+ 47. Ka4 Kd6 48. Rd8+ Ke5 49. Re8+ Kd4 50. Re4+ Kd3 51. Re6 Rc4+ 52. Kb3 Rc3+ 53. Ka4 Nc7 54. Kb4 Nxe6 0-1

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.03.01"]
[Round "8"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Casas, Jose Fernando"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1819"]
[BlackElo "1721"]
[PlyCount "119"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Nd4 5. Bg2 Nxf3+ 6. Bxf3 c6 7. d4 Qc7 8. dxe5 Qxe5 9. Bf4 Qe6 10. Qd3 Bb4 11. 0-0-0 Bxc3 12. Qxc3 0-0 13. h4 d5 14. h5 h6 15. Be5 Ne4 16. Bxe4 f6 17. cxd5 Qxe5 18. Qxe5 fxe5 19. dxc6 bxc6 20. Bxc6 Rb8 21. f3 Ba6 22. Bd5+ Kh8 23. Rd2 Rbc8+ 24. Kb1 Rc5 25. Be4 Bc4 26. Rhd1 Rcc8 27. g4 a5 28. Rc2 a4 29. Rdc1 Ba6 30. Rxc8 Bxc8 31. Rc5 Ba6 32. Rc2 Rd8 33. Kc1 Kg8 34. a3 Rd6 35. Rd2 Rf6 36. Bg6 Kf8 37. Kd1 Ke7 38. Bc2 Rf4 39. Rd5 Ke6 40. Ra5 Rd4+ 41. Ke1 Bb7 42. Rxa4 Rd6 43. Rb4 Ba6 44. Rb8 Rc6 45. Bd1 Kf6 46. b4 Bc8 47. b5 Rc1 48. Kd2 Rc5 49. Rb6+ Kg5 50. a4 e4 51. Ke3 exf3 52. exf3 Rc1 53. Rg6+ Kh4 54. Rc6 Rxc6 55. bxc6 Kg5 56. a5 g6 57. hxg6 Kxg6 58. Be2 h5 59. gxh5+ Kxh5 60. a6 1-0

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.29"]
[Round "7"]
[White "Moreno, Juan Nicolas"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1734"]
[BlackElo "1819"]
[PlyCount "46"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f3 Nbd7 5. Be3 e5 6. Nge2 Be7 7. Qd2 b5 8. g4 b4 9. Na4 Qa5 10. b3 exd4 11. Nxd4 Ne5 12. Be2 c5 13. Nf5 Bxf5 14. exf5 c4 15. 0-0-0 c3 16. Qd4 0-0 17. Rhg1 Nfd7 18. Qe4 Nb6 19. Bxb6 axb6 20. Rd5 Qa7 21. g5 b5 22. Rg3 bxa4 23. Qxb4 Qe3+ 0-1

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.29"]
[Round "6"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Pena, Fernando"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1819"]
[BlackElo "1890"]
[PlyCount "74"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. e4 Nc6 4. Nf3 d6 5. d4 cxd4 6. Nxd4 g6 7. g3 Bg7 8. Nc2 0-0 9. Bg2 a6 10. 0-0 Bg4 11. f3 Bd7 12. Be3 Ne5 13. b3 b5 14. cxb5 axb5 15. Nb4 Nc6 16. Nxc6 Bxc6 17. Rc1 b4 18. Nd5 Bxd5 19. exd5 Rxa2 20. Rf2 Rxf2 21. Bxf2 Qa5 22. f4 Nd7 23. Qe1 Re8 24. Bh3 Nb6 25. Rc7 Bc3 26. Qe2 Qa1+ 27. Bf1 Nxd5 28. Qb5 Nf6 29. Rb7 Bd4 30. Bxd4 Qxd4+ 31. Kh1 Qe4+ 32. Kg1 Qe3+ 33. Kg2 Kg7 34. Qxb4 Ng4 35. Qb5 Qe4+ 36. Kh3 Ne3 37. Kh4 Nxf1 0-1

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.28"]
[Round "4"]
[White "Martinez Paipa, Hernan"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1719"]
[BlackElo "1819"]
[PlyCount "76"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 Nc6 4. c3 e5 5. Nf3 g6 6. h3 Bg7 7. Be3 0-0 8. 0-0 a5 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Qe2 b6 12. Rd1 Bb7 13. f3 Nh5 14. Bc4 Qe7 15. Na3 Nf4 16. Qf2 Rfd8 17. Kh2 Rd7 18. g3 Ne6 19. Bb5 c6 20. Be2 b5 21. Rxd7 Qxd7 22. Rd1 Qe8 23. Bb6 Bf8 24. Nc2 c5 25. b4 axb4 26. cxb4 Rxa2 27. Ne1 Nd4 28. Rxd4 cxd4 29. Nd3 Qc6 30. Bc5 Bxc5 31. Nxc5 Bc8 32. Kg1 Be6 33. Qf1 Qa8 34. Qe1 Ra1 35. Bd1 Qa3 36. Kf2 Bc4 37. Qd2 Ra2 38. Bc2 d3 0-1

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.28"]
[Round "5"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Castillo Barajas, Jonhatan"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1819"]
[BlackElo "1807"]
[PlyCount "90"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 d6 5. Bg2 Be7 6. 0-0 0-0 7. d3 Be6 8. h3 h6 9. e4 Nbd7 10. Nh4 Nb6 11. Nf5 Bxf5 12. exf5 d5 13. b3 Qd7 14. Qf3 Rad8 15. Rd1 Qc8 16. Bb2 d4 17. Ne4 Nxe4 18. Qxe4 Bf6 19. c5 Nd5 20. Qg4 Be7 21. Bxd5 Rxd5 22. b4 b6 23. cxb6 axb6 24. a3 Qd7 25. Bc1 Rd6 26. Qe4 Bf6 27. Bd2 Rd5 28. Rdc1 Bg5 29. Bxg5 hxg5 30. g4 f6 31. Rc4 b5 32. Rc2 Ra8 33. Rac1 Ra6 34. Kg2 Rxa3 35. Rxc6 Rc3 36. R1xc3 dxc3 37. Rxc3 Kh7 38. f3 Qd6 39. h4 gxh4 40. Kh3 Rd4 41. Qa8 e4 42. f4 Qxf4 43. dxe4 Rd2 44. Kxh4 Rh2+ 45. Rh3 Qf2+ 0-1

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.27"]
[Round "3"]
[White "Pelaez, Hernan"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1706"]
[BlackElo "1819"]
[PlyCount "90"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 d6 2. d4 e5 3. d5 f5 4. Nf3 Nf6 5. Nc3 Be7 6. g3 0-0 7. Bg2 a5 8. 0-0 Na6 9. Qc2 Qe8 10. Nh4 Nh5 11. Nf3 f4 12. Nd2 Bf5 13. Qd1 Qd7 14. e3 fxg3 15. fxg3 Bh3 16. Nde4 Bxg2 17. Kxg2 Rxf1 18. Qxf1 Rf8 19. Qe2 g6 20. Bd2 Ng7 21. Rf1 Nf5 22. a3 h5 23. b4 axb4 24. axb4 Nxb4 25. Rb1 c5 26. Nb5 Bd8 27. Bxb4 cxb4 28. Rxb4 Bb6 29. Rb3 h4 30. Ng5 Nxe3+ 31. Rxe3 Bxe3 32. Qxe3 Qf5 33. Nf3 h3+ 34. Kf2 e4 35. Nbd4 Qg4 36. Ke1 exf3 37. Kf2 Rf6 38. Qe8+ Rf8 39. Qe3 Rf6 40. Qe8+ Rf8 41. Qe6+ Qxe6 42. Nxe6 Rc8 43. Kxf3 Rxc4 44. Nf4 Rxf4+ 45. Kxf4 b5 0-1

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.27"]
[Round "2"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Ossa, Vladimir"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1819"]
[BlackElo "1999"]
[PlyCount "32"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Be6 6. Nf3 Nc6 7. d3 Be7 8. 0-0 0-0 9. a3 f5 10. Nxd5 Bxd5 11. Qa4 Bf6 12. Rb1 a5 13. Be3 g5 14. Ne1 f4 15. Bd2 Nd4 16. e3 Bb3 0-1

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.11"]
[Round "6"]
[White "Lopez, Alberto1111"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1563"]
[BlackElo "1828"]
[PlyCount "58"]
[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 d6 2. d4 Nf6 3. Bd3 Nc6 4. Nf3 Bg4 5. c3 e5 6. d5 Ne7 7. h3 Bh5 8. Nbd2 Bg6 9. Qe2 Nh5 10. Nf1 c6 11. Nh4 cxd5 12. Nxg6 hxg6 13. exd5 a6 14. c4 Nc8 15. g4 Nf6 16. Ng3 Be7 17. b3 Nb6 18. f4 Nbd7 19. f5 gxf5 20. Nxf5 g6 21. Nxe7 Qxe7 22. Bg5 e4 23. Bxf6 Nxf6 24. g5 Qe5 25. Kd2 Qxg5+ 26. Kd1 Qe5 27. Kd2 exd3 28. Qxd3 Qb2+ 29. Ke3 Kd7 0-1

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.11"]
[Round "7"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Celis Vargas, Walter Enrique"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "1828"]
[BlackElo "1665"]
[PlyCount "41"]
[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. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 c5 8. Nf3 Qd8 9. Bd3 Be7 10. 0-0 0-0 11. Qc2 f5 12. Be3 Nd7 13. Rad1 Qc7 14. d5 Nb6 15. Rfe1 h6 16. dxe6 Bxe6 17. Bxc5 Qxc5 18. Rxe6 Nxc4 19. Bxc4 Qxc4 20. Rxe7 Rf7 21. Rxf7 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.10"]
[Round "4"]
[White "Florez Perez, Leonardo"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1597"]
[BlackElo "1828"]
[PlyCount "45"]
[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 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. Be2 e6 6. Bg5 Be7 7. h3 Bxf3 8. Bxf3 Nxe4 9. Bxe7 Nxc3 10. Bxd8 Nxd1 11. Bc7 Na6 12. Bxd6 0-0-0 13. Ba3 Nxf2 14. Kxf2 Rxd4 15. Rhd1 Rhd8 16. Rxd4 Rxd4 17. Rd1 Rxd1 18. Bxd1 Kd7 19. b3 b6 20. Be2 b5 21. Bb2 Nb4 22. a3 Nd5 23. Bxg7 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.10"]
[Round "5"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Pena, Luis Orlando"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1828"]
[BlackElo "1507"]
[PlyCount "53"]
[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. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. e4 e5 6. Nge2 Be7 7. d3 h6 8. 0-0 g5 9. Be3 d6 10. Rb1 Bd7 11. a3 a5 12. Qd2 Nd4 13. Bxd4 cxd4 14. Nd5 Nxd5 15. exd5 a4 16. f4 gxf4 17. gxf4 f6 18. Ng3 Qc8 19. fxe5 dxe5 20. Qe2 Kd8 21. Ne4 Bg4 22. Qf2 Ra6 23. d6 Bxd6 24. Qxf6+ Kc7 25. Nxd6 Rxd6 26. Qxe5 Qd7 27. Qxh8 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.09"]
[Round "2"]
[White "Florez, Luis Angel"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2133"]
[BlackElo "1828"]
[PlyCount "91"]
[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 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 exd4 7. Nxd4 g6 8. Qf3 Nbd7 9. Nb3 Qc7 10. Be3 Bg7 11. 0-0 0-0 12. Rae1 b5 13. Kh1 b4 14. Ne2 c5 15. Nd2 Bb7 16. c4 Rae8 17. Ng3 Re7 18. Rf2 Rfe8 19. Rfe2 h5 20. Bg1 Kh7 21. Bb1 a5 22. Qd3 h4 23. Ngf1 Nh5 24. Qh3 Nxf4 25. Qxh4+ Bh6 26. Rf2 g5 27. e5+ Kg7 28. Qg3 Rxe5 29. Rxe5 dxe5 30. Ne3 Qb6 31. Nf5+ Kf8 32. Be4 Bxe4 33. Nxe4 Qg6 34. Nxh6 Qxh6 35. Rd2 Nf6 36. Bxc5+ Kg7 37. Nd6 Kg8 38. Nxe8 Ne4 39. Qe1 Nxd2 40. Qxe5 Qg6 41. Nf6+ Kg7 42. Ne4+ f6 43. Qe7+ Kh6 44. Qf8+ Kh5 45. Nxf6+ Kh4 46. Bf2# 1-0

[Event "Uniagraria AlphaZero op 2nd"]
[Site "Uniagraria"]
[Date "2019.11.09"]
[Round "3"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Arenas Pinilla, Edwin"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "1828"]
[BlackElo "1282"]
[PlyCount "46"]
[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. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. e4 d6 6. Nf3 Be7 7. 0-0 0-0 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 e5 11. Qd3 a6 12. b3 Qc7 13. f4 Bd7 14. Ba3 Bc6 15. Rad1 Rfd8 16. Nd5 Nxd5 17. exd5 Be8 18. fxe5 dxe5 19. d6 Qa5 20. b4 Qa4 21. c5 Bb5 22. Qf3 Bxf1 23. dxe7 Rxd1 0-1

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.03"]
[Round "6"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Gomez Gonzalez, Juan Esteban"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "1810"]
[BlackElo "1391"]
[PlyCount "89"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 e5 8. Qe2 Nd7 9. f4 e4 10. Qxe4+ Qe7 11. Bd3 Nf6 12. Qxe7+ Bxe7 13. Nf3 Bg4 14. Ne5 Bh5 15. 0-0 Nd7 16. Re1 f6 17. Nxd7 Kxd7 18. Bf5+ Kd8 19. Be4 c6 20. Rb1 f5 21. Bxf5 Rb8 22. Be4 Bd6 23. h3 Re8 24. Bd2 h6 25. g4 Bf7 26. c5 Bc7 27. a3 Bc4 28. f5 Kd7 29. Kg2 Rxe4 30. Rxe4 Bd5 31. Rbe1 Re8 32. Kf3 Bd8 33. c4 Rxe4 34. Rxe4 Bxe4+ 35. Kxe4 Bf6 36. d5 a6 37. Bf4 Be7 38. d6 Bf8 39. a4 Ke8 40. h4 Kd8 41. h5 Ke8 42. Ke5 Kd7 43. a5 Kd8 44. Ke6 Ke8 45. Be5 1-0

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.02"]
[Round "4"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Corredor Reyes, Jose Bernardino"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1810"]
[BlackElo "1709"]
[PlyCount "123"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 e5 4. Nf3 Qc7 5. a3 d6 6. Be2 Bg4 7. 0-0 Nbd7 8. b4 Be7 9. Bb2 0-0 10. Ne1 Bxe2 11. Qxe2 Rfe8 12. Nc2 Nf8 13. Ne3 Ne6 14. g3 Nd4 15. Qd1 Qd7 16. Ne2 Nxe2+ 17. Qxe2 Nxe4 18. f4 exf4 19. Rxf4 Bf6 20. Bxf6 Nxf6 21. Qf3 Re6 22. Rf1 Rf8 23. Nf5 Ne8 24. Qg4 Qc7 25. h4 Rg6 26. Qf3 Qd7 27. h5 Rg5 28. Rg4 Rxg4 29. Qxg4 Qe6 30. Rf2 Kh8 31. Qd4 Qe5 32. Qg4 g6 33. Nh6 Nf6 34. Qf3 Kg7 35. hxg6 hxg6 36. g4 Qg5 37. Qf4 Qxf4 38. Rxf4 Kxh6 39. Rxf6 d5 40. cxd5 Kg5 41. Rd6 cxd5 42. Rxd5+ Kxg4 43. Rd7 f5 44. Rxb7 Rd8 45. Rxa7 Rxd2 46. b5 Kg3 47. Kf1 f4 48. Rg7 Kf3 49. Ke1 Ra2 50. Rxg6 Rxa3 51. b6 Rb3 52. Rh6 Rb1+ 53. Kd2 Kf2 54. Kc2 Rb5 55. Kd3 f3 56. Kc4 Rb1 57. Kc5 Kg2 58. Rg6+ Kf1 59. Kc6 f2 60. b7 Ke2 61. Re6+ Kd2 62. Rf6 1/2-1/2

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "3"]
[White "Cely Rojas, Fredy Esteban"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1810"]
[PlyCount "90"]
[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 d6 2. d4 Nf6 3. Nc3 c6 4. Bg5 Qa5 5. Bxf6 exf6 6. Qf3 Be7 7. Bd3 Qb6 8. Nge2 Qxb2 9. 0-0 Qb6 10. Rfe1 0-0 11. Rab1 Qc7 12. Ng3 g6 13. h4 b6 14. e5 fxe5 15. dxe5 Ba6 16. Bxa6 Nxa6 17. exd6 Bxd6 18. Nge4 Be5 19. Rbd1 Rad8 20. Nf6+ Kg7 21. Rxd8 Rxd8 22. Ng4 Re8 23. Qe3 Bh2+ 24. Nxh2 Rxe3 25. Rxe3 Nb4 26. Nf3 Nxc2 27. Re2 Nb4 28. Ng5 Qf4 29. Nce4 h6 30. Nf3 Nxa2 31. h5 Nc3 32. Nxc3 Qc1+ 33. Kh2 Qxc3 34. hxg6 Kxg6 35. Re3 Qf6 36. Re8 a5 37. Rc8 Kg7 38. Re8 a4 39. Re4 a3 40. Ra4 b5 41. Ra7 b4 42. Nd2 Qd6+ 43. g3 Qxd2 44. Kh3 a2 45. f4 Qb2 0-1

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "2"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Campos Perilla, Miguel Angel"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "1810"]
[BlackElo "1374"]
[PlyCount "55"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 Nc6 4. Nf3 e5 5. d3 Bb4 6. a3 Bxc3+ 7. bxc3 d6 8. g3 h6 9. Bg2 Be6 10. Rb1 Rb8 11. Qa4 Qd7 12. Be3 a5 13. 0-0 Bh3 14. Bxh3 Qxh3 15. Rxb7 Kd7 16. Rfb1 Rxb7 17. Rxb7 h5 18. d4 exd4 19. cxd4 Kc8 20. Qxc6 Qd7 21. Qa6 Kd8 22. Rb8+ Ke7 23. Rxh8 Qg4 24. Qa8 Qxf3 25. Qd8+ Ke6 26. d5+ Nxd5 27. cxd5+ Ke5 28. Qe7# 1-0

[Event "Gachantiva op 9th"]
[Site "Gachantiva"]
[Date "2019.06.24"]
[Round "7"]
[White "Rativa Jimenez, Cesar Daniel"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1815"]
[BlackElo "1834"]
[PlyCount "51"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. h3 Qa5 5. Bd3 e5 6. dxe5 dxe5 7. Nf3 Nbd7 8. Bd2 Qc7 9. Bc4 b5 10. Bd3 Nc5 11. Bg5 b4 12. Bxf6 gxf6 13. Ne2 Nxd3+ 14. Qxd3 a5 15. Ng3 Ba6 16. Qe3 0-0-0 17. Rd1 Rxd1+ 18. Kxd1 Qd6+ 19. Kc1 Qc5 20. Nf5 Qxe3+ 21. Nxe3 Bh6 22. Re1 Rg8 23. Nh4 Bxe3+ 24. Rxe3 Bf1 25. Re1 Bxg2 26. Rg1 1-0

[Event "Gachantiva op 9th"]
[Site "Gachantiva"]
[Date "2019.06.24"]
[Round "6"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Castelblanco Castellanos, Carlos Arturo"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1834"]
[BlackElo "1580"]
[PlyCount "89"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 a6 4. Bg2 Be7 5. d3 d6 6. Nf3 h6 7. a4 c6 8. b4 Be6 9. Rb1 Qc7 10. b5 Nbd7 11. 0-0 0-0 12. Ba3 Rfe8 13. Qd2 axb5 14. cxb5 Nd5 15. bxc6 bxc6 16. Rfc1 Nxc3 17. Rxc3 Rxa4 18. Qc2 Ra6 19. Rc1 c5 20. d4 exd4 21. Nxd4 Bf6 22. Nxe6 fxe6 23. Rb3 Rb8 24. Qc4 Rab6 25. Qxe6+ Kf8 26. Bd5 Ne5 27. f4 Nf7 28. Kf1 Rxb3 29. Bxb3 Ra8 30. Bb4 Qe7 31. Be1 Qxe6 32. Bxe6 Ke7 33. Bd5 Ra1 34. Rxa1 Bxa1 35. e4 Bd4 36. Ke2 Nd8 37. f5 Nf7 38. h4 Ne5 39. Bd2 Kf6 40. Ba5 Ke7 41. Bb3 Ng4 42. Kf3 Ne5+ 43. Ke2 Nc6 44. Bd2 Be5 45. Kf2 1/2-1/2

[Event "Gachantiva op 9th"]
[Site "Gachantiva"]
[Date "2019.06.23"]
[Round "5"]
[White "Molina Valdes, Luisa Fernanda"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1540"]
[BlackElo "1834"]
[PlyCount "96"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 e5 3. d3 f5 4. Bg2 Nf6 5. Nbd2 c6 6. e4 Be7 7. c3 Na6 8. b4 Nc7 9. Nh4 g6 10. 0-0 0-0 11. f4 exf4 12. exf5 g5 13. Nhf3 g4 14. Nd4 f3 15. Bh1 c5 16. Qb3+ Kh8 17. Ne6 Nxe6 18. fxe6 cxb4 19. d4 bxc3 20. Qxc3 Bxe6 21. h3 Nd5 22. Qd3 Bf5 23. Qb3 Be6 24. Qd3 f2+ 25. Kh2 Rf6 26. Ne4 Bf5 27. hxg4 Nb4 28. Qb3 Bxe4 29. Bxe4 d5 30. Bf5 Nc6 31. Qb2 Bd6 32. Bg5 Qf8 33. Qxb7 Bxg3+ 34. Kxg3 Rxf5 35. gxf5 Qd6+ 36. Bf4 Rg8+ 37. Kf3 Nxd4+ 38. Ke3 Nxf5+ 39. Kf3 Nh4+ 40. Ke3 Ng2+ 41. Kxf2 Qxf4+ 42. Ke2 Qe3+ 43. Kd1 Qd3+ 44. Kc1 Qxf1+ 45. Kb2 Qf6+ 46. Kb1 Qf1+ 47. Kb2 Qe2+ 48. Ka3 Rg3+ 0-1

[Event "Gachantiva op 9th"]
[Site "Gachantiva"]
[Date "2019.06.23"]
[Round "4"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Arango, Santiago"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1834"]
[BlackElo "2007"]
[PlyCount "44"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Bg4 8. Be3 f5 9. Qb3 Qd7 10. Ng5 Nd8 11. Qb5 Bd6 12. Rc1 h6 13. Nf3 Nc6 14. h3 Bh5 15. d4 Bxf3 16. Bxf3 exd4 17. Nd5 dxe3 18. Nxb6 axb6 19. Rxc6 Ke7 20. Qc4 exf2+ 21. Kxf2 bxc6 22. Bxc6 Bc5+ 0-1

[Event "Gachantiva op 9th"]
[Site "Gachantiva"]
[Date "2019.06.22"]
[Round "3"]
[White "Moncada, Duvan Andres"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1520"]
[BlackElo "1834"]
[PlyCount "112"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. a4 Qa5 5. Bd2 e5 6. Nf3 exd4 7. Nxd4 Qb6 8. Nb3 Ng4 9. Qe2 Be6 10. a5 Qc7 11. Nd4 Nf6 12. Nxe6 fxe6 13. f4 Nbd7 14. g4 0-0-0 15. g5 Ne8 16. Be3 d5 17. Bxa7 Qxf4 18. Be3 Qh4+ 19. Qf2 Qxf2+ 20. Bxf2 Bc5 21. Bxc5 Nxc5 22. exd5 exd5 23. b4 Na6 24. b5 Nc5 25. Bh3+ Kc7 26. 0-0 Nd6 27. Rae1 Rde8 28. Ne2 Nxb5 29. Rf7+ Kb8 30. Rxg7 Nd4 31. Bf1 Nf3+ 32. Kf2 Nxe1 33. Kxe1 Ne6 34. Rd7 Kc8 35. Rf7 Nxg5 36. Rg7 Rhg8 37. Rxg8 Rxg8 38. Nd4 Re8+ 39. Kd2 Re4 40. c3 Rh4 41. a6 Rxh2+ 42. Ke3 Kb8 43. Nf5 Ne4 44. c4 Nf6 45. Ne7 Rh1 46. Be2 Rh3+ 47. Kd4 Rh4+ 48. Kc5 Re4 49. Nxc6+ bxc6 50. Bf3 Rxc4+ 51. Kb6 Nd7+ 52. Ka5 Ka7 53. Bg4 Nb6 54. Bd1 h5 55. Bb3 Rc5+ 56. Kb4 Rb5+ 0-1

[Event "Gachantiva op 9th"]
[Site "Gachantiva"]
[Date "2019.06.22"]
[Round "2"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Ruiz Aguilar, Pablo Alexander"]
[Result "0-1"]
[ECO "A18"]
[WhiteElo "1834"]
[BlackElo "2204"]
[PlyCount "86"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. dxc3 Qxf6 7. Nf3 h6 8. Qd4 Nd7 9. Qxf6 Nxf6 10. Bf4 Bd6 11. Bxd6 cxd6 12. Rd1 Ke7 13. Bd3 b6 14. Nd4 Bb7 15. 0-0 Rhd8 16. Rfe1 Kf8 17. Rd2 Rac8 18. Red1 a6 19. f3 Nd7 20. Nb3 Ne5 21. Be2 Ke7 22. Rd4 g5 23. Nd2 f5 24. Kf2 Nc6 25. Rd3 Na5 26. Re3 Nc6 27. Bd3 Ne5 28. Bc2 Kf6 29. Rde1 Re8 30. h3 h5 31. b3 h4 32. R3e2 b5 33. cxb5 Rxc3 34. Nb1 Rc5 35. bxa6 Bxa6 36. Rd2 Rec8 37. Na3 Ra5 38. Nc4 Bxc4 39. bxc4 Rxa2 40. Rde2 Rxc4 41. Bb3 Rxe2+ 42. Rxe2 Rc1 43. g3 Rc3 0-1

[Event "Gachantiva op 9th"]
[Site "Gachantiva"]
[Date "2019.06.21"]
[Round "1"]
[White "Serrano, Raul"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1583"]
[BlackElo "1834"]
[PlyCount "56"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nge2 b5 5. a3 g6 6. f3 Bg7 7. Ng3 Nbd7 8. Be2 a5 9. 0-0 0-0 10. d5 Qb6+ 11. Kh1 Bb7 12. dxc6 Bxc6 13. Rb1 b4 14. axb4 axb4 15. Nd5 Bxd5 16. exd5 Qc5 17. Bd3 Ne5 18. Be4 Rfc8 19. Bg5 h6 20. Bd2 Rab8 21. h3 Nxe4 22. fxe4 Qxc2 23. Qe1 Nd3 24. Qe3 b3 25. Bc3 Ne5 26. Bxe5 Bxe5 27. Qxh6 Bxg3 28. Rxf7 Qxb1+ 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.25"]
[Round "8"]
[White "Montoya, Duvan"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1889"]
[BlackElo "1784"]
[PlyCount "108"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. e5 Ne4 6. Bd2 Nxd2 7. Qxd2 Bf5 8. Bd3 Bxd3 9. Qxd3 e6 10. Nge2 d5 11. 0-0 g6 12. Rae1 c5 13. Kh1 Nc6 14. a3 0-0-0 15. dxc5 Qxc5 16. b4 Qc4 17. b5 Qxd3 18. cxd3 Na5 19. a4 Bb4 20. Rb1 Bxc3 21. Nxc3 b6 22. Ne2 Kd7 23. Nd4 Rc8 24. Rbc1 Rxc1 25. Rxc1 Rc8 26. Rxc8 Kxc8 27. g4 Kd7 28. Kg2 Nb7 29. Nb3 Nc5 30. Nxc5+ bxc5 31. Kf3 a6 32. b6 a5 33. Ke3 Kc6 34. Kd2 Kxb6 35. Kc3 h5 36. g5 Kc6 37. h4 Kd7 38. Kb2 d4 39. Kb3 Kc7 40. Kc2 Kc6 41. Kd2 Kd5 42. Ke2 c4 43. Kd2 c3+ 44. Kc2 Kc6 45. Kb3 Kc5 46. Ka3 c2 47. Kb2 Kb4 48. Kxc2 Kxa4 49. Kb2 Kb4 50. Kc2 a4 51. Kb2 a3+ 52. Kc2 a2 53. Kb2 a1Q+ 54. Kxa1 Kc3 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.25"]
[Round "9"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Gomez Guardo, Cristian"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "1784"]
[BlackElo "1930"]
[PlyCount "67"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 h6 5. e4 Bb4 6. Qc2 d6 7. Nd5 Bg4 8. Bg2 0-0 9. 0-0 Bc5 10. d3 Bxf3 11. Bxf3 Nd4 12. Qd1 Nd7 13. b4 Bb6 14. Nxb6 axb6 15. Be3 c5 16. Bg4 Nf6 17. Bxd4 exd4 18. a4 Nxg4 19. Qxg4 Qg5 20. Qxg5 hxg5 21. bxc5 bxc5 22. Rfb1 Ra7 23. a5 Rfa8 24. Rb5 Kf8 25. Kg2 Ke7 26. Rab1 Ke6 27. Kf3 Rxa5 28. Rxb7 Ra3 29. R1b3 Rxb3 30. Rxb3 Ra2 31. g4 Rd2 32. Kg3 Ke5 33. Kf3 Rc2 34. Rb1 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.24"]
[Round "6"]
[White "Montoya Molina, Juan Esteban"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1752"]
[BlackElo "1784"]
[PlyCount "78"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. Be2 e6 6. h3 Bxf3 7. Bxf3 d5 8. e5 Nfd7 9. 0-0 c5 10. Ne2 cxd4 11. Qxd4 Nc6 12. Qf4 Ndxe5 13. Bh5 g6 14. Bg4 h5 15. Bf3 Bh6 16. Qa4 Bxc1 17. Raxc1 Nxf3+ 18. gxf3 Qg5+ 19. Kh2 Qe5+ 20. f4 Qxe2 21. Rce1 Qc4 22. Qa3 Qxf4+ 23. Kg2 Qb4 24. Qf3 0-0 25. c3 Qh4 26. Rg1 Qg5+ 27. Kf1 Qf5 28. Qe3 Kh7 29. Rg5 Qf6 30. Qg3 Ne7 31. Qh4 Kg7 32. Qxh5 Rh8 33. Qg4 Rxh3 34. Ke2 Rah8 35. Rg1 R8h4 36. Qg2 Rh2 37. Qf1 Re4+ 38. Kd1 Qxf2 39. Qd3 Qxb2 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.24"]
[Round "7"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Sanchez Bonilla, John Henry"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "1784"]
[BlackElo "1844"]
[PlyCount "82"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. c4 b6 2. Nf3 Bb7 3. e3 c5 4. Nc3 g6 5. b3 Bg7 6. Bb2 Nf6 7. Be2 0-0 8. 0-0 e6 9. Re1 d5 10. Rc1 Nc6 11. cxd5 Nxd5 12. Bc4 Nxc3 13. Bxc3 Rc8 14. Qe2 Bxc3 15. dxc3 Qc7 16. Red1 Rcd8 17. Rxd8 Rxd8 18. Rd1 Rd6 19. Rxd6 Qxd6 20. Qd2 Qxd2 21. Nxd2 Kf8 22. f4 Ke7 23. Kf2 f6 24. g3 Kd6 25. Ne4+ Ke7 26. Nd2 Na5 27. Bd3 Bc6 28. e4 h6 29. Ke3 Bb7 30. e5 f5 31. Nc4 Nxc4+ 32. Bxc4 Bc6 33. h4 h5 34. b4 cxb4 35. cxb4 Kd7 36. Kd4 Ba4 37. a3 Bc6 38. Bb3 Bb5 39. a4 Bc6 40. a5 Bb5 41. Ba2 Bc6 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.23"]
[Round "4"]
[White "Aguilar, Natalia Andrea"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1903"]
[BlackElo "1784"]
[PlyCount "102"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Bg4 3. Nbd2 Nf6 4. b3 c6 5. e3 d5 6. Be2 Nbd7 7. Bb2 e6 8. 0-0 Be7 9. Rc1 a5 10. a4 0-0 11. h3 Bxf3 12. Bxf3 Nb6 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 Nd5 16. c4 Nb4 17. Qe2 Bf6 18. Rcd1 Re8 19. Rfe1 Qb6 20. Kh1 Rad8 21. Qg4 g6 22. Bb1 Rd7 23. Rd2 Red8 24. Red1 c5 25. d5 Bxb2 26. Rxb2 exd5 27. cxd5 Rxd5 28. Rxd5 Rxd5 29. Be4 Rd4 30. Qc8+ Kg7 31. Qxb7 Qxb7 32. Bxb7 Nd3 33. Rc2 Kf6 34. Ba6 Nb4 35. Rxc5 Nxa6 36. Rc6+ Ke7 37. Rxa6 Rb4 38. Rxa5 Rxb3 39. Kh2 Ra3 40. f3 h6 41. Kg3 Ra2 42. Ra8 Kf6 43. a5 Kg5 44. a6 f5 45. h4+ Kh5 46. Kh3 f4 47. a7 Ra1 48. g4+ fxg3 49. Kxg3 Rg1+ 50. Kh3 Rh1+ 51. Kg3 Rg1+ 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.23"]
[Round "5"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Pereira Vera, Henry Alberto"]
[Result "0-1"]
[ECO "A39"]
[WhiteElo "1784"]
[BlackElo "1856"]
[PlyCount "86"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 Nc6 7. d4 cxd4 8. Nxd4 e5 9. Ndb5 a6 10. Nd6 Ne8 11. Nce4 h6 12. Be3 Qe7 13. Nxc8 Rxc8 14. Bc5 d6 15. Bxd6 Nxd6 16. Qxd6 f5 17. Qxe7 Nxe7 18. Nd6 Rcd8 19. Rfd1 e4 20. Rab1 b6 21. Bf1 Be5 22. c5 bxc5 23. Nc4 Nc6 24. e3 Bc7 25. Be2 Kf7 26. Nd2 Ne5 27. f4 exf3 28. Nxf3 Ng4 29. e4 fxe4 30. Ng5+ hxg5 31. Bxg4 Kf6 32. Kf2 Ke5+ 33. Ke3 c4 34. Rbc1 Bb6+ 35. Ke2 Rf2+ 36. Ke1 Rdf8 37. Rxc4 Rxb2 38. Ra4 Bf2+ 39. Kf1 Bxg3+ 40. Kg1 Bxh2+ 41. Kh1 Rh8 42. Rxa6 Bf4+ 43. Kg1 Be3+ 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.22"]
[Round "3"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Celis Vargas, Walter Enrique"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1784"]
[BlackElo "1709"]
[PlyCount "39"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 Nfd7 5. d4 dxc4 6. Bxc4 Nb6 7. Bb3 Nc6 8. Nf3 Be7 9. 0-0 0-0 10. a3 Kh8 11. Be3 Na5 12. Bc2 Bd7 13. Qd3 g6 14. Bh6 Re8 15. Ne4 Nd5 16. Nfg5 Kg8 17. h4 f5 18. exf6 Nxf6 19. Nxf6+ Bxf6 20. Nxh7 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.21"]
[Round "1"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Renteria Rodriguez, Henry"]
[Result "0-1"]
[ECO "A18"]
[WhiteElo "1784"]
[BlackElo "1931"]
[PlyCount "64"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 e5 4. Nf3 Nc6 5. d4 exd4 6. Nxd4 Bb4 7. Be3 Bxc3+ 8. bxc3 0-0 9. Bd3 Ne5 10. 0-0 d6 11. f3 Nxd3 12. Qxd3 Nd7 13. Rab1 Nc5 14. Qd2 Bd7 15. Nb3 b6 16. Rfd1 Be6 17. Qe2 Qe8 18. Nd4 a6 19. g4 Bd7 20. h4 Qe7 21. h5 h6 22. Kg2 Rfe8 23. Re1 Qf6 24. Rf1 Re5 25. Rbe1 Rae8 26. Qd2 Bxg4 27. fxg4 Qh4 28. Rf4 Nxe4 29. Bf2 Nxd2 30. Bxh4 Rxe1 31. Bxe1 Rxe1 32. Kf2 Re4 0-1

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.20"]
[Round "7"]
[White "Nino, Jesus Camilo"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1505"]
[BlackElo "1784"]
[PlyCount "36"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Bd3 g6 5. Be3 Bg7 6. f3 Nbd7 7. Qd2 b5 8. Nh3 a6 9. 0-0 c5 10. b3 Nh5 11. Ne2 cxd4 12. Nxd4 Ne5 13. Nf2 0-0 14. Rac1 Bb7 15. Bh6 Nxd3 16. Bxg7 Nxc1 17. Bxf8 Nxb3 18. cxb3 Qxf8 0-1

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.20"]
[Round "6"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Mena, Yamil Octavio"]
[Result "0-1"]
[ECO "C89"]
[WhiteElo "1784"]
[BlackElo "1982"]
[PlyCount "36"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. c3 0-0 8. Re1 d5 9. exd5 e4 10. Ng5 Na5 11. Bc2 Bd6 12. Nxe4 Bxh2+ 13. Kf1 Ng4 14. Qf3 f5 15. Nc5 Bd6 16. Ke2 Bxc5 17. b4 Re8+ 18. Kd1 Nxf2+ 0-1

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.19"]
[Round "5"]
[White "Penagos, Esneider"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1599"]
[BlackElo "1784"]
[PlyCount "106"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. h3 Qa5 5. Bd3 Nbd7 6. Nf3 e5 7. Bd2 exd4 8. Nd5 Qd8 9. Nf4 c5 10. c3 dxc3 11. Bxc3 Be7 12. 0-0 0-0 13. Bc4 Nb6 14. Qd3 Na4 15. Bd5 Nxc3 16. Qxc3 Nxd5 17. Nxd5 Be6 18. Nxe7+ Qxe7 19. Rfd1 Rfd8 20. a3 a5 21. Rd2 d5 22. exd5 Bxd5 23. Rad1 Bxf3 24. Rxd8+ Rxd8 25. Rxd8+ Qxd8 26. Qxf3 b6 27. Qc6 g6 28. Qb5 Qd6 29. b3 h5 30. g3 Kf8 31. h4 Ke7 32. Kg2 Kf6 33. f3 Ke7 34. Qe2+ Kd8 35. Qc4 Qe6 36. Qb5 Kc7 37. Kf2 Qd7 38. Qc4 Qd4+ 39. Ke2 Qxc4+ 40. bxc4 Kc6 41. Kd3 b5 42. cxb5+ Kxb5 43. Kc3 Ka4 44. Kb2 c4 45. g4 f5 46. gxh5 gxh5 47. f4 Kb5 48. Kc3 Kc5 49. Kd2 Kd4 50. a4 Ke4 51. Kc3 Kxf4 52. Kxc4 Ke3 53. Kc3 f4 0-1

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.19"]
[Round "4"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Rangel, Carlos"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1784"]
[BlackElo "1990"]
[PlyCount "90"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c4 Rb8 5. a4 Ngf6 6. Nc3 g6 7. d3 Bg7 8. h3 0-0 9. Bxd7 Bxd7 10. Be3 Bc6 11. Qd2 Re8 12. Bh6 Bh8 13. 0-0 b6 14. Ng5 a6 15. f4 b5 16. cxb5 axb5 17. b3 bxa4 18. bxa4 Qa5 19. f5 Rb3 20. Rac1 Bg7 21. Bxg7 Kxg7 22. Qa2 c4 23. Ne2 Qxa4 24. Qd2 Rxd3 25. Qf4 Qa7+ 26. Kh1 Qe3 27. fxg6 hxg6 28. Rxc4 Ba8 29. Nc1 Qxf4 30. Rxf4 Rd1+ 31. Kh2 d5 32. exd5 Bxd5 33. Rfd4 Bxc4 34. Rxd1 Rc8 35. Re1 Rc5 36. Ne4 Nxe4 37. Rxe4 e5 38. Kg3 f5 39. Re1 Kf6 40. Ne2 Bxe2 41. Rxe2 Rc3+ 42. Kf2 e4 43. h4 Ke5 44. g3 f4 45. g4 Rh3 0-1

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.18"]
[Round "3"]
[White "Cabiativa, Juan Esteban"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1300"]
[BlackElo "1784"]
[PlyCount "58"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. d5 f5 4. Nc3 Nf6 5. e3 Be7 6. Be2 0-0 7. b3 Nbd7 8. Nf3 a5 9. Ba3 e4 10. Nd4 Ne5 11. h3 Bd7 12. 0-0 c6 13. dxc6 bxc6 14. Qd2 Qe8 15. Rfd1 Qg6 16. f4 exf3 17. Nxf3 Ne4 18. Nxe4 fxe4 19. Nxe5 dxe5 20. Qxd7 Bxa3 21. Qg4 Qxg4 22. Bxg4 Bc5 23. Re1 Rad8 24. Rad1 Rd3 25. Rxd3 exd3 26. Bf3 d2 27. Rf1 e4 28. Rd1 exf3 29. gxf3 Rxf3 0-1

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.18"]
[Round "2"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Garcia Alarcon, Alvaro"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1784"]
[BlackElo "2110"]
[PlyCount "48"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qb6 4. Bxc6 Qxc6 5. d3 e6 6. Bf4 d6 7. c4 e5 8. Be3 f5 9. Nc3 Nf6 10. Qc2 Be7 11. Nd5 Nxd5 12. cxd5 Qa6 13. 0-0 0-0 14. b4 b6 15. Rfb1 f4 16. b5 Qb7 17. Bd2 Bg4 18. Ne1 f3 19. h3 Bh5 20. g4 Qd7 21. Qd1 Bxg4 22. hxg4 Qxg4+ 23. Kf1 Qh3+ 24. Kg1 Rf6 0-1

[Event "COL-ch U1800"]
[Site "Moniquira"]
[Date "2018.07.22"]
[Round "6"]
[White "Orozco, Omar"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1600"]
[BlackElo "1772"]
[PlyCount "84"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nf3 f6 6. g3 Be6 7. Nbd2 Nd7 8. Bg2 c6 9. 0-0 a5 10. b3 a4 11. Rb1 axb3 12. axb3 Bf5 13. e4 Bg6 14. Rd1 Bb4 15. Nh4 Ne7 16. Nf1 Kc7 17. Bd2 Bxd2 18. Rxd2 Nc5 19. Nxg6 hxg6 20. b4 Ne6 21. Ne3 Rhd8 22. Rdb2 b6 23. b5 c5 24. Nd5+ Nxd5 25. exd5 Nd4 26. d6+ Kxd6 27. Bxa8 Rxa8 28. Rc1 Ra4 29. Kf1 Rb4 30. Ra2 Nb3 31. Rc3 Ke6 32. Ke2 Na5 33. Kd3 f5 34. f3 e4+ 35. fxe4 fxe4+ 36. Kxe4 Nxc4 37. Ra7 Nd6+ 38. Kd3 Nxb5 39. Rxg7 Nxc3 40. Kxc3 Kf5 41. h3 Rd4 42. Rc7 Rd6 0-1

[Event "COL-ch U1800"]
[Site "Moniquira"]
[Date "2018.07.21"]
[Round "4"]
[White "Puentes Torres, Alberto"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1610"]
[BlackElo "1772"]
[PlyCount "110"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. Nf3 Bg4 4. Bc4 e6 5. d4 c6 6. 0-0 Be7 7. Bg5 b5 8. Bxf6 Bxf6 9. Be2 Qb6 10. d5 Bxc3 11. bxc3 exd5 12. exd5 0-0 13. Nd4 Bxe2 14. Qxe2 a6 15. dxc6 Nxc6 16. Rae1 g6 17. Qf3 Nxd4 18. cxd4 Qxd4 19. Rd1 Qc5 20. Rd2 Rae8 21. g3 Re6 22. Qd5 Qxd5 23. Rxd5 Rc8 24. Rc1 Kf8 25. a3 Ke7 26. Kg2 Re2 27. c3 Ra2 28. Re1+ Kd7 29. Red1 Rc6 30. c4 bxc4 31. Ra5 c3 32. Rc1 c2 33. Kf1 Rb2 34. Ke2 Rb1 35. Kd2 Rxc1 36. Kxc1 Ke6 37. Ra4 d5 38. f4 f5 39. Rd4 Kd6 40. Rd2 Rc4 41. Rd3 d4 42. h4 Kd5 43. Rd2 Rc3 44. Rxc2 Rxc2+ 45. Kxc2 Kc4 46. a4 h5 47. a5 d3+ 48. Kd2 Kd4 49. Kd1 Ke3 50. Ke1 d2+ 51. Kd1 Kd3 52. g4 hxg4 53. h5 g3 54. hxg6 g2 55. g7 g1Q# 0-1

[Event "COL-ch U1800"]
[Site "Moniquira"]
[Date "2018.07.21"]
[Round "5"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Cordero Gonzalez, Victor William"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1772"]
[BlackElo "1627"]
[PlyCount "57"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. d3 Bd6 7. Be3 Ne7 8. Nbd2 h6 9. h3 Bh5 10. g4 Bg6 11. c4 c5 12. b4 b6 13. Qa4+ c6 14. bxc5 Bxc5 15. Nxe5 b5 16. Qc2 Bxe3 17. fxe3 Qd6 18. Ndf3 f6 19. c5 Qc7 20. Nxg6 Nxg6 21. d4 0-0 22. e5 Ne7 23. exf6 Rxf6 24. Ne5 Raf8 25. Qd3 Ng6 26. Qb3+ Kh7 27. Qd3 Kg8 28. Qb3+ Kh7 29. Qd3 1/2-1/2

[Event "COL-ch U1800"]
[Site "Moniquira"]
[Date "2018.07.20"]
[Round "2"]
[White "Roa Beleno, Matias Fernando"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1772"]
[PlyCount "106"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. g3 Qa5 5. Bd2 e5 6. d5 g6 7. Bg2 Bg7 8. Nge2 Qb6 9. b3 cxd5 10. Nxd5 Nxd5 11. exd5 0-0 12. 0-0 f5 13. Be3 Qc7 14. f4 exf4 15. Bd4 fxg3 16. hxg3 Nd7 17. Bxg7 Kxg7 18. Qd4+ Ne5 19. c4 b6 20. Nf4 Qc5 21. Qxc5 bxc5 22. a4 a5 23. Ne6+ Bxe6 24. dxe6 Rab8 25. Rab1 Kf6 26. Bd5 Rb6 27. Rfe1 Rfb8 28. Re3 Ke7 29. Kh2 Ng4+ 30. Kh3 Nxe3 31. Kh4 Nxd5 32. cxd5 Rxb3 33. Rxb3 Rxb3 34. g4 Kf6 35. g5+ Kg7 36. e7 Rb4+ 37. Kg3 Kf7 38. e8Q+ Kxe8 39. Kf3 c4 40. Ke2 f4 41. Kd2 f3 42. Ke3 f2 43. Kxf2 c3 44. Ke2 Rc4 45. Kd3 Rc5 46. Kc2 Kd7 47. Kc1 c2 48. Kd2 c1Q+ 49. Kd3 Rxd5+ 50. Ke4 Qc4+ 51. Ke3 Rd3+ 52. Ke2 Qc2+ 53. Ke1 Rd1# 0-1

[Event "Bogota Mayores Alcaldia op 8th"]
[Site "Bogota"]
[Date "2018.06.11"]
[Round "7"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Pena Mora, Carlos"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1815"]
[BlackElo "1529"]
[PlyCount "161"]
[EventDate "2018.06.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be3 d6 4. Nc3 Nf6 5. f3 0-0 6. Qd2 Re8 7. 0-0-0 Nbd7 8. g4 b6 9. h4 c5 10. h5 cxd4 11. Bxd4 Ne5 12. Bxe5 Bxg4 13. Bxf6 Bxh5 14. Bxg7 Kxg7 15. Rxh5 gxh5 16. Qg5+ Kh8 17. Qxh5 Rg8 18. Bd3 e5 19. Nh3 Qf6 20. Nd5 Qg6 21. Qxg6 Rxg6 22. Nf2 Rg3 23. Be2 Rg2 24. Rf1 Kg7 25. Kd2 h5 26. Ne3 Rh2 27. Nf5+ Kf6 28. Ke3 d5 29. c3 Rd8 30. Rh1 Rxh1 31. Nxh1 Rg8 32. Kf2 dxe4 33. fxe4 Kg5 34. Bc4 Rd8 35. Bd5 f6 36. Nhg3 h4 37. Ne2 h3 38. Kg1 Rh8 39. Kh2 Kg4 40. Ng1 a6 41. Ne3+ Kf4 42. Nd1 Kg4 43. Nf2+ Kf4 44. Ngxh3+ Ke3 45. Ng4+ Kd2 46. c4 Rf8 47. b4 Kc3 48. c5 bxc5 49. bxc5 Kd4 50. c6 f5 51. Ngf2 fxe4 52. Bxe4 Rf7 53. Kg3 Kc5 54. Ng5 Rg7 55. Kh4 Kd6 56. Kg4 Rc7 57. Kf5 a5 58. Nd3 Rxc6 59. Bxc6 Kxc6 60. Kxe5 Kb5 61. Kd4 Ka4 62. Kc3 Ka3 63. Nc1 a4 64. Kc2 Kb4 65. Kb2 a3+ 66. Kc2 Kc4 67. Nd3 Kb5 68. Kb3 Ka5 69. Kxa3 Kb5 70. Ne4 Ka5 71. Nc3 Kb6 72. Kb4 Ka6 73. Nc5+ Kb6 74. Nd5+ Ka7 75. Kb5 Kb8 76. Kb6 Kc8 77. a4 Kb8 78. a5 Kc8 79. a6 Kb8 80. a7+ Ka8 81. Nc7# 1-0

[Event "Bogota Mayores Alcaldia op 8th"]
[Site "Bogota"]
[Date "2018.06.10"]
[Round "4"]
[White "Galeano Garcia, Juan Diego"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1815"]
[PlyCount "62"]
[EventDate "2018.06.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Bg4 3. d3 c6 4. Nbd2 e5 5. g3 Nd7 6. Bg2 a5 7. 0-0 g6 8. Re1 Bg7 9. h3 Bxf3 10. Bxf3 Ne7 11. Nc4 Qc7 12. Bg5 f6 13. Be3 b5 14. Nd2 f5 15. Bg5 Bf6 16. Bxf6 Nxf6 17. exf5 gxf5 18. Bh5+ Kd7 19. Bf3 Rag8 20. Rc1 Qb6 21. Nf1 f4 22. g4 h5 23. Nh2 Kc7 24. Qe2 hxg4 25. hxg4 Nf5 26. Kh1 Nd4 27. Qd1 Nxf3 28. Qxf3 Nxg4 29. Qe2 Rxh2+ 30. Kg1 Rgh8 31. Kf1 Rxf2+ 0-1

[Event "Bogota Mayores Alcaldia op 8th"]
[Site "Bogota"]
[Date "2018.06.10"]
[Round "5"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Castillo, Juan Alberto"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1815"]
[BlackElo "1579"]
[PlyCount "119"]
[EventDate "2018.06.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. a4 Nc6 5. Bc4 Qc7 6. d4 cxd4 7. Nxd4 Nf6 8. Nxc6 Qxc6 9. Qe2 Bb4 10. f3 0-0 11. Bd2 Re8 12. 0-0 d5 13. Bd3 Qc5+ 14. Kh1 d4 15. Na2 Bxd2 16. Qxd2 e5 17. Qb4 Qxb4 18. Nxb4 a5 19. Na2 Bd7 20. Nc1 Nh5 21. g3 Be6 22. Ne2 Rac8 23. f4 Bg4 24. fxe5 Bxe2 25. Bxe2 Rxe5 26. Rf5 Rxf5 27. exf5 Nf6 28. Bd3 g6 29. Rd1 Ng4 30. Kg1 Ne3 31. Re1 Nxf5 32. Bxf5 gxf5 33. Re2 Kg7 34. Kf2 Kf6 35. Ke1 Rc4 36. b3 Rc3 37. Kd2 Rf3 38. Re8 Rf2+ 39. Re2 Rxe2+ 40. Kxe2 Ke5 41. Kd3 Kd5 42. c3 dxc3 43. Kxc3 Kc5 44. h3 h5 45. h4 f6 46. Kb2 Kb4 47. Kc2 Kc5 48. Kd3 b5 49. axb5 Kxb5 50. Kc3 Kc5 51. Kd3 Kb4 52. Kc2 a4 53. bxa4 Kxa4 54. Kd3 Kb5 55. Ke3 Kc5 56. Kf4 Kd6 57. Kxf5 Ke7 58. Kg6 Ke6 59. Kxh5 Kf7 60. Kh6 1-0

[Event "Bogota Mayores Alcaldia op 8th"]
[Site "Bogota"]
[Date "2018.06.09"]
[Round "3"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Gaona Ballesteros, Esteban Andres"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1815"]
[BlackElo "1422"]
[PlyCount "76"]
[EventDate "2018.06.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 d6 6. 0-0 g6 7. Be3 Bg7 8. f3 0-0 9. Qd2 Nc6 10. Ne2 Bd7 11. Nbc3 b5 12. g4 Ne5 13. Kg2 Rc8 14. h3 h5 15. g5 Ne8 16. Bd4 Nxd3 17. Bxg7 Nxg7 18. cxd3 Ne6 19. h4 Re8 20. d4 Qb6 21. Nd5 Qa7 22. Rac1 Nc7 23. Nef4 Nxd5 24. Nxd5 Be6 25. Nf6+ exf6 26. gxf6 Kh7 27. d5 Bd7 28. Qg5 Rxc1 29. Rxc1 Rc8 30. Rg1 Rc2+ 31. Kh1 Qf2 32. Qf4 Rxb2 33. Qg3 Qxg3 34. Rxg3 Rxa2 35. f4 Ra4 36. f5 Rxe4 37. fxg6+ fxg6 38. Kg2 Rg4 0-1

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.17"]
[Round "7.15"]
[White "Dominguez Rincon, Miller Duvan"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2105"]
[BlackElo "1831"]
[PlyCount "57"]
[EventDate "2017.12.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. fxe5 dxe5 7. dxe5 Ng4 8. Nf3 Qb6 9. Qe2 Nd7 10. e6 fxe6 11. Bd2 Be7 12. 0-0-0 Nf2 13. Be3 Nxd3+ 14. Rxd3 Nc5 15. Rd2 Qc7 16. Qc4 b5 17. Qd4 0-0 18. e5 b4 19. Ne4 Rd8 20. Nd6 Nb7 21. Bf4 c5 22. Qe4 Rb8 23. Rhd1 Na5 24. Bg5 Bb7 25. Qh4 Bxf3 26. gxf3 Bxg5 27. Qxg5 c4 28. Ne8 h6 29. Rxd8 1-0

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.17"]
[Round "6.14"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Lizarazo, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "C91"]
[WhiteElo "1831"]
[BlackElo "2000"]
[PlyCount "113"]
[EventDate "2017.12.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d6 9. d4 Bg4 10. d5 Na5 11. Nbd2 c5 12. dxc6 Nxb3 13. axb3 Qc7 14. h3 Bh5 15. Nf1 Qxc6 16. Bg5 h6 17. Bxf6 Bxf6 18. Nxe5 Bxd1 19. Nxc6 Bxb3 20. Nd4 Bxd4 21. cxd4 Rfc8 22. Ne3 g6 23. Rec1 Be6 24. d5 Bd7 25. Rxc8+ Bxc8 26. Rc1 Kf8 27. Rc6 Ke7 28. Rc7+ Bd7 29. Nc2 a5 30. Na3 Kd8 31. Rc2 Rc8 32. Rxc8+ Kxc8 33. f4 Kc7 34. Kf2 Kb6 35. Ke3 Kc5 36. g4 f5 37. exf5 gxf5 38. g5 hxg5 39. fxg5 Be8 40. Kf4 Bg6 41. h4 b4 42. Nc2 Kxd5 43. Ne3+ Ke6 44. b3 d5 45. Nc2 Kd6 46. Nd4 Kc5 47. Ke5 Bf7 48. Nxf5 a4 49. bxa4 b3 50. Nd4 b2 51. Nb3+ Kb4 52. Nd2 Bg6 53. Kd4 Kxa4 54. Kxd5 Kb4 55. Kd4 Bf7 56. Kd3 Bg6+ 57. Kd4 1/2-1/2

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.16"]
[Round "5.23"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Siaucho, Pastor Emilio"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1831"]
[BlackElo "1600"]
[PlyCount "75"]
[EventDate "2017.12.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. f4 e6 3. Nf3 Bg7 4. g3 Ne7 5. d4 d6 6. Be3 Nd7 7. Bd3 b6 8. Nbd2 Bb7 9. 0-0 0-0 10. c3 h6 11. g4 f5 12. Nh4 Kh7 13. Qb3 d5 14. exf5 exf5 15. Qc2 Ng8 16. Ndf3 Qe7 17. Rae1 Bf6 18. g5 Bh8 19. Qg2 h5 20. Qh3 Qf7 21. Nxg6 Qxg6 22. Nh4 Qd6 23. Nxf5 Qg6 24. Bd2 Nc5 25. dxc5 Bc8 26. Nh4 Bxh3 27. Bxg6+ Kg7 28. Rf3 Bg4 29. Rd3 c6 30. cxb6 axb6 31. c4 dxc4 32. Bc3+ Rf6 33. gxf6+ Nxf6 34. Rd6 Rf8 35. Re7+ Kg8 36. Bh7+ Nxh7 37. Rg6+ Bg7 38. Rgxg7+ 1-0

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.15"]
[Round "3.23"]
[White "Rey Serrano, Jorge Enrique"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1721"]
[BlackElo "1831"]
[PlyCount "84"]
[EventDate "2017.12.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Bd3 g6 5. f4 Qa5 6. Nf3 Bg4 7. 0-0 Bg7 8. Be3 Nbd7 9. a3 c5 10. Qd2 Bxf3 11. Rxf3 Ng4 12. e5 cxd4 13. Bxd4 dxe5 14. fxe5 0-0 15. b4 Qc7 16. Nd5 Qd8 17. Be4 Ngxe5 18. Rff1 f5 19. Bd3 Nxd3 20. Qxd3 Ne5 21. Qb3 e6 22. Bxe5 Bxe5 23. Rad1 Kg7 24. Nf4 Qb6+ 25. Kh1 Bxf4 26. Rxf4 Rad8 27. Qc3+ Kf7 28. Rfd4 Rxd4 29. Rxd4 Rd8 30. Rd3 a5 31. Rxd8 Qxd8 32. h3 axb4 33. axb4 Qd1+ 34. Kh2 Qd6+ 35. Kh1 e5 36. Qc4+ Kf6 37. b5 e4 38. Qc3+ Qe5 39. Qc8 e3 40. Qh8+ Ke6 41. Qg8+ Ke7 42. Qg7+ Qxg7 0-1

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.15"]
[Round "2.11"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Fonseca Pinto, Carlos Arturo"]
[Result "0-1"]
[ECO "C91"]
[WhiteElo "1831"]
[BlackElo "2080"]
[PlyCount "29"]
[EventDate "2017.12.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 0-0 9. d4 exd4 10. cxd4 Bg4 11. Qc2 Nb4 12. Qc3 a5 13. a3 Nc6 14. Nbd2 Rc8 15. Qxc6 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "4"]
[White "Lopez, Rafael David"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "C42"]
[BlackElo "1831"]
[PlyCount "101"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d3 d5 4. exd5 Qxd5 5. Nc3 Bb4 6. Bd2 Qd6 7. Be2 0-0 8. 0-0 a6 9. a3 Ba5 10. Ng5 Bf5 11. Bf3 Nc6 12. Be4 Bxc3 13. Bxc3 Bxe4 14. Nxe4 Nxe4 15. dxe4 Qxd1 16. Raxd1 Rad8 17. Rd5 Rxd5 18. exd5 Nd4 19. Bxd4 exd4 20. Rd1 Rd8 21. Rxd4 c6 22. Kf1 cxd5 23. Ke2 Kf8 24. Kf3 Ke7 25. Kf4 Rc8 26. c3 Kd6 27. Ke3 f6 28. Kd3 b5 29. a4 Rc4 30. axb5 axb5 31. b3 Rc7 32. Rb4 Kc5 33. Rh4 g6 34. Rf4 f5 35. h4 Re7 36. b4+ Kd6 37. Rf3 Re4 38. h5 Ke5 39. hxg6 hxg6 40. Rg3 Kf6 41. Rh3 Re1 42. Kd4 Re2 43. Rf3 g5 44. Kxd5 g4 45. Rf4 Kg5 46. g3 Re8 47. Kc5 Rc8+ 48. Kxb5 Rxc3 49. Ka4 Rf3 50. Rxf3 gxf3 51. b5 1-0

[Event "Bogota IRT op"]
[Site "Bogota"]
[Date "2009.04.30"]
[Round "2"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Perez Olarte, Cesar Camilo"]
[Result "0-1"]
[ECO "A03"]
[BlackElo "2097"]
[PlyCount "40"]
[EventDate "2009.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. d3 c5 4. c3 Nc6 5. Qc2 d4 6. e4 dxe3 7. Bxe3 e6 8. Na3 Be7 9. Nc4 0-0 10. 0-0-0 b5 11. Nce5 Bb7 12. d4 Nd5 13. dxc5 Nxe3 14. Rxd8 Rfxd8 15. Bxb5 Nxc2 16. Bxc6 Rab8 17. Bxb7 Rxb7 18. Nc6 Rc8 19. Nxe7+ Rxe7 20. Kxc2 Rxc5 0-1

[Event "Bogota Mila Memorial op"]
[Site "Bogota"]
[Date "2009.04.??"]
[Round "8"]
[White "Henao, Franco Alvaro"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "C42"]
[BlackElo "1831"]
[PlyCount "35"]
[EventDate "2009.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 0-0 5. Nd5 Nxd5 6. Bxd5 c6 7. Bb3 d5 8. c3 dxe4 9. Nxe5 Bc5 10. 0-0 Qd6 11. d4 exd3 12. Bf4 Qf6 13. Qxd3 Qxf4 14. Nxf7 Bf5 15. Qe2 Nd7 16. g3 Qc7 17. Qc4 Bg6 18. Ne5+ 1-0

[Event "Bogota Mila Memorial op"]
[Site "Bogota"]
[Date "2009.04.??"]
[Round "1"]
[White "Nunez V, Daniel Fernando"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2189"]
[BlackElo "1831"]
[PlyCount "61"]
[EventDate "2009.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. c4 Nb4 9. Be2 0-0 10. Nc3 Bf5 11. Bf4 g5 12. Be5 f6 13. Bg3 h5 14. a3 Nxc3 15. bxc3 Nc2 16. Bd3 Bxd3 17. Qxd3 Nxa1 18. Qg6+ Kh8 19. Qxh5+ Kg7 20. Nxg5 fxg5 21. Be5+ Bf6 22. Qxg5+ Kf7 23. Qh5+ Ke7 24. Re1 Bxe5 25. Rxe5+ Kf6 26. Qh6+ Kf7 27. Qh7+ Kf6 28. cxd5 Qc8 29. Qe7+ Kg6 30. Rg5+ Kh6 31. Qg7# 1-0

[Event "Bogota Mila Memorial op"]
[Site "Bogota"]
[Date "2009.04.??"]
[Round "7"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Alvarez Lora, Amaury Antonio"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1831"]
[BlackElo "2131"]
[PlyCount "58"]
[EventDate "2009.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 Nc6 2. Nf3 d5 3. e3 Bg4 4. h3 Bxf3 5. Qxf3 e5 6. Bb5 e4 7. Bxc6+ bxc6 8. Qg3 Ne7 9. 0-0 Nf5 10. Qg4 Qd7 11. Nc3 h5 12. Qd1 Be7 13. b3 Rh6 14. d3 Nh4 15. dxe4 Rg6 16. Rf2 Qxh3 17. Qe2 Bb4 18. Nxd5 cxd5 19. Qb5+ Kf8 20. Qxb4+ Kg8 21. Qd2 dxe4 22. Kf1 Qh1+ 23. Ke2 Rxg2 24. Qe1 Rg1 25. Rf1 Rd8 26. Bb2 Qg2+ 27. Qf2 Qg4+ 28. Ke1 Nf3+ 29. Ke2 Rd2# 0-1

[Event "Bogota Mila Memorial op"]
[Site "Bogota"]
[Date "2009.04.??"]
[Round "3"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Ojeda, Jesus David"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1831"]
[BlackElo "2027"]
[PlyCount "56"]
[EventDate "2009.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 a6 4. Be2 c5 5. 0-0 Nc6 6. d3 Qc7 7. Nc3 b5 8. a3 Bb7 9. Qe1 e6 10. Bd2 Rd8 11. Qh4 Be7 12. g4 d4 13. g5 dxc3 14. Bxc3 e5 15. Nxe5 Nd4 16. exd4 cxd4 17. gxf6 Bxf6 18. Qe1 dxc3 19. bxc3 0-0 20. Bf3 Kh8 21. Rb1 Rde8 22. Bxb7 Qxb7 23. a4 g5 24. axb5 gxf4 25. Nxf7+ Qxf7 26. Qd2 Rg8+ 27. Kf2 Bh4+ 28. Kf3 Qh5+ 0-1

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "4"]
[White "Da Silva, Wagner Jose"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "1802"]
[PlyCount "45"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. dxe5 d5 5. exd6 Nxd6 6. Bd3 Be6 7. 0-0 Be7 8. Nc3 0-0 9. Nd4 Bd7 10. Qh5 g6 11. Qf3 Re8 12. Bh6 c5 13. Nde2 Nc6 14. Nd5 Bf8 15. Bf4 c4 16. Bxd6 cxd3 17. Nf6+ Kg7 18. Nxe8+ Bxe8 19. Bxf8+ Kxf8 20. cxd3 Ne5 21. Qe3 Nxd3 22. Rfd1 Bb5 23. Nf4 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "12"]
[White "Jenson, Norman"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "D10"]
[PlyCount "35"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Bg4 5. Nc3 Nc6 6. e3 Rc8 7. Be2 e6 8. 0-0 Bd6 9. a3 Nge7 10. b4 0-0 11. Bb2 Bf5 12. Rc1 a6 13. Na4 b5 14. Nc5 Bxc5 15. dxc5 Re8 16. Nd4 Nxd4 17. Qxd4 Qc7 18. Qxg7# 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "8"]
[White "Matikainen, Jorma"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "64"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. a3 Bxc3 5. dxc3 Nxe4 6. Bd3 f5 7. Nxe5 Qe7 8. Nf3 Nxc3+ 9. Qe2 Nxe2 10. Bxe2 d5 11. Bg5 Qe4 12. Rd1 0-0 13. Rd3 c5 14. Re3 Qxc2 15. 0-0 d4 16. Re5 Nc6 17. Rd5 Qxe2 18. Re1 Qxb2 19. Ne5 Nxe5 20. Rdxe5 b6 21. Be7 Re8 22. h4 Ba6 23. h5 d3 24. h6 d2 25. Rd1 Qb3 26. Bg5 Rxe5 27. Rxd2 Re1+ 28. Kh2 Qc3 29. Rd7 Qe5+ 30. g3 Qe4 31. Rxg7+ Kh8 32. Bf6 Rh1# 0-1

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "2"]
[White "McDonald, Kevin M"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "35"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Bf5 8. Qd2 Nc6 9. 0-0-0 0-0 10. Nd4 Nxd4 11. cxd4 a5 12. g4 Bg6 13. h4 Be4 14. Bd3 Bxh1 15. Rxh1 Bxh4 16. g5 Bxg5 17. Bxg5 Qd7 18. Bxh7+ 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "6"]
[White "Quattordio, Juan Jose"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "31"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bd3 0-0 8. 0-0 Re8 9. f4 b6 10. Qf3 c6 11. Bd2 Bb7 12. Rae1 Nd7 13. Qh3 g6 14. f5 Nf6 15. Bg5 b5 16. Nd2 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "10"]
[White "Ranft, Hans"]
[Black "Villarraga Quiroga, Yedixon Omar"]
[Result "1-0"]
[ECO "A11"]
[PlyCount "53"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. cxd5 cxd5 4. Nf3 Nf6 5. Bg2 Bd7 6. 0-0 e6 7. d4 Nc6 8. Nc3 Rc8 9. e3 Be7 10. Bd2 0-0 11. Rc1 Qb6 12. Na4 Qa6 13. b3 Nb4 14. Bxb4 Bxb4 15. Rxc8 Rxc8 16. Ne5 Bxa4 17. bxa4 Rc3 18. g4 Ne8 19. g5 Ba3 20. h4 Nd6 21. h5 Nf5 22. g6 hxg6 23. hxg6 f6 24. Nf7 Nh4 25. Qh5 Kf8 26. Qh8+ Ke7 27. Qd8# 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "7"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "De Mello, Rodrigo"]
[Result "1-0"]
[ECO "B01"]
[BlackElo "1819"]
[PlyCount "51"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Be2 Bg4 6. 0-0 c6 7. h4 e6 8. d4 Bd6 9. Bd2 Qc7 10. Ng5 Bxe2 11. Qxe2 h6 12. Nxe6 fxe6 13. Qxe6+ Qe7 14. Qc8+ Kf7 15. Qxh8 Bc7 16. Rae1 Qd6 17. g3 Qd7 18. Ne4 Nd5 19. c4 Ne7 20. Re3 Ng8 21. Rf3+ Nf6 22. Nxf6 gxf6 23. Qxf6+ Kg8 24. Qf8+ Kh7 25. Qxh6+ Kg8 26. Rf8# 1-0

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "3"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Gasper, Gasparus"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "58"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 0-0 7. 0-0 c6 8. f4 Qc7 9. Nf5 Bxf5 10. exf5 Nbd7 11. g4 d5 12. Bd3 Bc5+ 13. Kh1 Rfe8 14. g5 Ne4 15. Nxe4 dxe4 16. Bc4 b5 17. Bb3 a5 18. a4 Nb6 19. Qg4 Nc4 20. Bxc4 bxc4 21. f6 g6 22. f5 e3 23. fxg6 hxg6 24. Qh3 Qe5 25. Rf3 e2 26. Bd2 Qe4 27. Kg2 Rad8 28. Qh6 Bf8 29. Qh3 Rxd2 0-1

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "1"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Hamilton, Timothy"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "82"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 f5 3. exf5 d5 4. Bb5 Bxf5 5. 0-0 Nf6 6. Bxc6+ bxc6 7. d4 e6 8. Ne5 c5 9. g4 Be4 10. g5 Ng8 11. Qh5+ g6 12. Qg4 Bf5 13. Qf4 Bd6 14. dxc5 Bxc5 15. Qa4+ Kf8 16. Nd7+ Kg7 17. Nxc5 h6 18. Qd4+ Kh7 19. Bf4 hxg5 20. Bg3 Bxc2 21. h4 Nf6 22. hxg5 Nh5 23. Kg2 Qxg5 24. Nd2 Rae8 25. Nf3 Qe7 26. Bh4 g5 27. Nxg5+ Kg8 28. Nf3 e5 29. Qg4+ Qg7 30. Qxg7+ Nxg7 31. Rac1 Bf5 32. Bg3 Nh5 33. Rh1 Nf4+ 34. Bxf4 Rxh1 35. Rxh1 exf4 36. Rh5 Bg6 37. Rg5 Kf7 38. Nh4 Be4+ 39. Nxe4 Rxe4 40. Rf5+ Ke6 41. Rf8 f3+ 0-1

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "11"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Healey, Grant"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "58"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 b6 2. Nf3 Ba6 3. Bxa6 Nxa6 4. d4 c5 5. c3 Qc8 6. Na3 d6 7. Nc4 Nc7 8. Bf4 g6 9. 0-0 b5 10. Ne3 Bg7 11. e5 d5 12. Re1 c4 13. a4 a6 14. axb5 axb5 15. Rxa8 Qxa8 16. Ng5 e6 17. h4 Ne7 18. h5 h6 19. Nxf7 Kxf7 20. hxg6+ Nxg6 21. Qh5 Qe8 22. Ng4 Ke7 23. Qh4+ Kd7 24. Bxh6 Qf7 25. Qg5 Rg8 26. Bxg7 Rxg7 27. Nf6+ Kc8 28. Ra1 Ne7 29. Qh6 Kb7 0-1

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "5"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "Judy, Richard"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "66"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. f4 c6 2. Nf3 d5 3. d3 g6 4. Nbd2 Bg7 5. e4 e6 6. Be2 Ne7 7. 0-0 0-0 8. Qe1 f5 9. a4 Nd7 10. a5 e5 11. fxe5 Nxe5 12. Nxe5 Bxe5 13. d4 Bg7 14. e5 Be6 15. Nb3 b6 16. axb6 axb6 17. Rxa8 Qxa8 18. Qb4 Nc8 19. Bg5 Qb7 20. Nc1 Qc7 21. Nd3 Re8 22. Nf4 Qf7 23. Qc3 Bf8 24. Qxc6 Ne7 25. Qxb6 h6 26. Bxe7 Bxe7 27. Nxe6 Bg5 28. Nxg5 hxg5 29. c4 dxc4 30. Qc5 Kg7 31. Bxc4 Qd7 32. Re1 Qe7 33. d5 Qxc5+ 0-1

[Event "Dos Hermanas Internet qual-C 10th"]
[Site "ICC INT"]
[Date "2009.03.14"]
[Round "9"]
[White "Villarraga Quiroga, Yedixon Omar"]
[Black "MacCallum, Kesley"]
[Result "1-0"]
[ECO "B73"]
[PlyCount "77"]
[EventDate "2009.03.14"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "ESP"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. f4 Nc6 8. 0-0 0-0 9. Be3 Bd7 10. Qe1 Ng4 11. Bxg4 Bxg4 12. Qh4 Bd7 13. Rad1 Rc8 14. f5 Qa5 15. Nd5 Rce8 16. f6 exf6 17. Nxf6+ Bxf6 18. Qxf6 Qe5 19. Nxc6 Bxc6 20. Qxd6 Qxe4 21. Rf3 Qg4 22. Rg3 Qe2 23. Bh6 Rd8 24. Qxd8 Rxd8 25. Rxd8+ Be8 26. Re3 Qxe3+ 27. Bxe3 f5 28. Rxe8+ Kf7 29. Rb8 g5 30. Rxb7+ Kg6 31. Rxa7 f4 32. Bf2 h5 33. h4 g4 34. Ra6+ Kf5 35. c4 g3 36. Bxg3 fxg3 37. c5 Ke5 38. c6 Kd6 39. b4 1-0

