[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.03"]
[Round "6"]
[White "Bermudez Cordero, Ricardo"]
[Black "Sandoval Guerrero, Juan David"]
[Result "1-0"]
[ECO "C87"]
[BlackElo "1543"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. Re1 Be7 7. c3 0-0 8. h3 b5 9. Bc2 Re8 10. d4 exd4 11. cxd4 Nd7 12. Nc3 Nb6 13. a3 Bb7 14. Qd3 g6 15. Bh6 Bf8 16. Bxf8 Kxf8 17. Qe3 Kg7 18. Rad1 Nc4 19. Qc1 Nb6 20. e5 d5 21. Ng5 h6 22. Nf3 Ne7 23. e6 f6 24. Nh4 Bc8 25. Bb1 Qd6 26. Qe3 f5 27. g3 Nc6 28. Bxf5 Ne7 29. Bb1 g5 30. Nf3 Nc4 31. Qe2 Ng6 32. Qc2 Rxe6 33. Rxe6 Qxe6 34. Re1 Qd6 35. Ne5 Ncxe5 36. dxe5 Qe6 37. Nxd5 Ra7 38. Nxc7 Qxh3 39. Qxg6+ Kf8 40. Qe8+ Kg7 41. Qe7+ Kg8 42. Qh7+ Kf8 43. Ne6+ Bxe6 44. Qxa7 Bd5 45. Qc5+ 1-0

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "2"]
[White "Bermudez Cordero, Ricardo"]
[Black "Sanchez, Jorge Hernan"]
[Result "1-0"]
[ECO "C66"]
[BlackElo "1547"]
[PlyCount "57"]
[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. Bb5 d6 4. c3 Bd7 5. 0-0 Nf6 6. Re1 a6 7. Ba4 Be7 8. d4 b5 9. Bc2 Bg4 10. d5 Na5 11. b3 0-0 12. Nbd2 Qd7 13. Nf1 Nh5 14. Be3 Nb7 15. b4 Rae8 16. h3 Bxf3 17. Qxf3 g6 18. Nh2 Ng7 19. Ng4 f5 20. Nh6+ Kh8 21. exf5 gxf5 22. g4 fxg4 23. Qe4 Nf5 24. hxg4 Bh4 25. Nxf5 Rg8 26. Kf1 h5 27. Nxh4 Rxg4 28. Qf5 Qg7 29. Qxh5+ 1-0

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "3"]
[White "Castelblanco Castellanos, Carlos Arturo"]
[Black "Bermudez Cordero, Ricardo"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "1676"]
[PlyCount "119"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Bd7 6. Be2 e5 7. Nf3 Nf6 8. Bg5 h6 9. Bh4 Be6 10. a3 a6 11. Nd5 Bxd5 12. exd5 Qa5+ 13. c3 Qxd5 14. Bxf6 Qxd1+ 15. Bxd1 gxf6 16. Bb3 Bg7 17. 0-0-0 Rd8 18. Nh4 0-0 19. Nf5 Na5 20. Bd5 Rd7 21. Rd3 Rfd8 22. Rg3 Kh8 23. Rxg7 Rg8 24. Rxg8+ Kxg8 25. Nxh6+ Kg7 26. Nf5+ Kg6 27. g4 Nc6 28. Bxc6 bxc6 29. h4 d5 30. f3 c5 31. h5+ Kh7 32. Rd1 d4 33. Kc2 a5 34. a4 Rd8 35. b3 Rd7 36. Kd3 Rd8 37. cxd4 exd4 38. Re1 Rb8 39. Kc2 d3+ 40. Kc3 d2 41. Rd1 c4 42. bxc4 Rb4 43. Rxd2 Rxa4 44. Kd4 Ra1 45. c5 a4 46. Kc4 a3 47. Rc2 Rf1 48. Nd4 Re1 49. Kb3 Re3+ 50. Ka2 Rd3 51. c6 Rxd4 52. c7 Rf4 53. c8Q Rxf3 54. Qd7 Kg7 55. Rc7 Kh6 56. Qxf7 Kg5 57. Rc4 Rf2+ 58. Kxa3 Rf3+ 59. Kb4 Kh4 60. h6 1-0

