[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.31"]
[Round "10"]
[White "Gonzalez Mojica, Renan Arturo"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "1988"]
[BlackElo "1846"]
[PlyCount "75"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 Re8 8. Bd3 e6 9. dxe6 Bxe6 10. 0-0 Bg4 11. h3 Bxf3 12. Qxf3 Nc6 13. Be3 Nb4 14. Bb1 Qe7 15. f5 Nd7 16. a3 Bxc3 17. bxc3 Nc6 18. Qg3 Nce5 19. Bg5 f6 20. Bh6 Nf7 21. Bf4 g5 22. Bc2 Kh8 23. Bd2 Nb6 24. h4 Rg8 25. Rae1 Rg7 26. h5 Nxc4 27. Bc1 h6 28. Bb3 Nfe5 29. Rd1 b5 30. a4 a6 31. Qf2 Qe8 32. Qe2 Re7 33. Rd5 Qc6 34. Rfd1 Rd8 35. Qf2 Nb6 36. Rxc5 Qxe4 37. Rxe5 Qxe5 38. Qxb6 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.31"]
[Round "11"]
[White "Yepez Ortiz, Dubier"]
[Black "Figueroa Rincon, Cesar Fabian"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1846"]
[BlackElo "1794"]
[PlyCount "95"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 e5 7. h3 Re8 8. d5 Nbd7 9. Be3 Nh5 10. Qd2 Nf8 11. g4 Nf6 12. Nh2 h5 13. f3 N6h7 14. Bb5 Bd7 15. Bxd7 Qxd7 16. Qg2 h4 17. g5 f5 18. gxf6 Nxf6 19. Bg5 Nh5 20. Qg4 Nf4 21. Bxh4 Nxh3+ 22. Kh1 g5 23. Bf2 Rad8 24. Ne2 Ng6 25. Be3 Rf8 26. Kg2 Nhf4+ 27. Bxf4 Nxf4+ 28. Nxf4 gxf4 29. Qxd7 Rxd7 30. Ng4 Kf7 31. c4 Rh8 32. Rh1 Rdd8 33. b4 b6 34. Rac1 Rxh1 35. Rxh1 Rh8 36. Rxh8 Bxh8 37. Nf2 Bf6 38. Nd3 Kg6 39. c5 dxc5 40. bxc5 bxc5 41. Nxc5 Be7 42. Ne6 Bd6 43. Kf2 Kf6 44. Nd8 a5 45. a4 Bb4 46. Nc6 Bc3 47. Ke2 Ba1 48. Kd3 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.30"]
[Round "8"]
[White "Yepez Ortiz, Dubier"]
[Black "Bejarano Urrego, Danny Andres"]
[Result "0-1"]
[ECO "C19"]
[WhiteElo "1846"]
[BlackElo "1971"]
[PlyCount "92"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 b6 8. Bb5+ Bd7 9. Bd3 Nbc6 10. Nf3 Qc7 11. Ba3 Ng6 12. Qd2 Nce7 13. 0-0 f6 14. exf6 gxf6 15. c4 Nf4 16. cxd5 Nexd5 17. c4 Bc6 18. cxd5 Bxd5 19. Nh4 cxd4 20. f3 Qe5 21. Be4 Qg5 22. Bc1 e5 23. Bxd5 Rc8 24. Kh1 Qxh4 25. g3 Qh3 26. Re1 Nxd5 27. Qxd4 Ne7 28. Qe4 Nf5 29. Rg1 Rg8 30. g4 Nd4 31. Be3 Rc2 32. Bf4 Qxf3+ 33. Qxf3 Nxf3 34. Rg2 Rxg2 35. Kxg2 Rxg4+ 36. Bg3 e4 37. Kf2 h5 38. Bb8 Rg7 39. Ke3 f5 40. Rc1 Rd7 41. Kf4 Nd4 42. Rc8+ Kf7 43. Rh8 Nc6 44. Rh7+ Ke6 45. Rh6+ Kd5 46. Rh8 Rb7 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.29"]
[Round "7"]
[White "Paniagua Paniagua, Fabio de Jesus"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1722"]
[BlackElo "1846"]
[PlyCount "58"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nf6 5. Nc3 Be7 6. d4 cxd4 7. Nxd4 0-0 8. Be3 a6 9. Nxc6 bxc6 10. Bd3 d5 11. exd5 cxd5 12. Ne2 e5 13. c3 Rb8 14. b4 Ng4 15. Bd2 f5 16. h3 Nf6 17. Qa4 f4 18. Bxa6 Ra8 19. b5 Ne4 20. Rfd1 Qb6 21. Be1 Bh4 22. Rxd5 Nxf2 23. Kh2 Qe3 24. Bxf2 Qxf2 25. Rxe5 Bg3+ 26. Kh1 f3 27. Rg1 Bxe5 28. Qe4 Bxh3 29. Qxe5 Bxg2+ 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.28"]
[Round "5"]
[White "Yepez Ortiz, Dubier"]
[Black "Paez Villanueva, Santiago"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1846"]
[BlackElo "1671"]
[PlyCount "70"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Bg4 4. Be2 Bxf3 5. Bxf3 Nc6 6. 0-0 g6 7. Nc3 Bg7 8. Be2 Nf6 9. f4 0-0 10. d3 e6 11. Be3 b6 12. Bf3 Rc8 13. Qd2 Nd4 14. Bxd4 cxd4 15. Nb5 a6 16. Nxd4 b5 17. Qe3 bxc4 18. dxc4 Rxc4 19. b3 Nd5 20. Qe2 Bxd4+ 21. Kh1 Rc8 22. exd5 Bxa1 23. Rxa1 exd5 24. Qxa6 Qf6 25. Qf1 Qxf4 26. a4 d4 27. Rd1 Rc3 28. b4 d3 29. a5 Qxb4 30. a6 Qa5 31. Qe1 Ra3 32. Qxa5 Rxa5 33. Bb7 d2 34. Kg1 Ra2 35. Kf2 Re8 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.27"]
[Round "4"]
[White "Trujillo Bahamon, Halan David"]
[Black "Yepez Ortiz, Dubier"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1715"]
[BlackElo "1846"]
[PlyCount "102"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 d5 7. Bb5 Bd7 8. exd5 Nxd4 9. Bxd7+ Qxd7 10. Qxd4 Be7 11. 0-0 0-0 12. Be3 Nxd5 13. Nxd5 exd5 14. Qd3 Qc6 15. Bd4 Rfe8 16. Rfe1 Bf6 17. c3 Bxd4 18. Qxd4 Re4 19. Rxe4 dxe4 20. Re1 f5 21. Rd1 h6 22. Qd5+ Qxd5 23. Rxd5 Rf8 24. Kf1 Rf7 25. h4 Kf8 26. Re5 g6 27. Ke2 Kg7 28. Rd5 Kf8 29. Rd6 Rg7 30. Ke3 Ke7 31. Rd5 Ke6 32. c4 Rc7 33. Kd4 Rc6 34. b3 Rb6 35. Kc3 g5 36. hxg5 hxg5 37. a4 Rc6 38. b4 Rc7 39. Kd4 Rh7 40. g4 fxg4 41. Rxg5 Rd7+ 42. Kxe4 Rd2 43. Rg6+ Kd7 44. Rxg4 Rxf2 45. Rg7+ Kc8 46. a5 Rb2 47. b5 Ra2 48. a6 bxa6 49. Rxa7 Ra4 50. Kd5 axb5 51. Rh7 Rxc4 1/2-1/2

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.27"]
[Round "3"]
[White "Yepez Ortiz, Dubier"]
[Black "Londono Lopez, Donaldo"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1846"]
[BlackElo "2089"]
[PlyCount "116"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Nf6 4. Nc3 e6 5. d4 cxd4 6. Nxd4 Be7 7. Be2 a6 8. 0-0 b6 9. Be3 Bb7 10. f3 0-0 11. Rc1 Nbd7 12. Qd2 Qc7 13. Rfd1 Rac8 14. Qe1 Rfe8 15. Qf2 Qb8 16. Bf1 Bd8 17. Nde2 Bc7 18. Ng3 h5 19. Be2 Bc6 20. Nf1 Qa8 21. Rd2 Qb7 22. Rcd1 b5 23. Kh1 Ne5 24. Bg5 Nh7 25. cxb5 axb5 26. Bf4 b4 27. Nb1 d5 28. Bxe5 Bxe5 29. f4 Bc7 30. e5 g6 31. Rd3 Bb6 32. Qh4 Bd8 33. Qg3 Bb5 34. R3d2 Bxe2 35. Rxe2 Qa6 36. Qe1 Rc4 37. f5 exf5 38. Rxd5 Bh4 39. Qd1 Qc6 40. Qd3 Rc1 41. Nbd2 Bg5 42. h3 Nf8 43. Rf2 Ne6 44. Nb3 Nf4 45. Rxf4 Bxf4 46. Nxc1 Qxc1 47. Qe2 Kg7 48. b3 Qc3 49. Rd3 Qxe5 50. Qxe5+ Rxe5 51. Rd4 Re4 52. Rc4 Rxc4 53. bxc4 Kf6 54. g3 Bc1 55. Nh2 Ke5 56. Nf3+ Ke4 57. Kg2 Be3 58. Ne1 Bc5 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.26"]
[Round "1"]
[White "Cordoba Roa, Angel Gabriel"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2312"]
[BlackElo "1846"]
[PlyCount "85"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Nd4 5. e5 Nxb5 6. Nxb5 Nd5 7. c4 Nb6 8. 0-0 a6 9. Nc3 d6 10. d4 Bf5 11. exd6 Qxd6 12. dxc5 Qxd1 13. Rxd1 Nd7 14. Be3 e6 15. Nd4 Bg6 16. b4 Ne5 17. Na4 Nxc4 18. Bf4 e5 19. Rac1 exf4 20. Re1+ Ne3 21. Nb6 Rd8 22. fxe3 f6 23. exf4+ Kf7 24. Rcd1 Be7 25. h3 h5 26. Nc4 Rhe8 27. Na5 Rxd4 28. Rxe7+ Rxe7 29. Rxd4 Be4 30. Kf2 h4 31. Nc4 Kg6 32. Na5 Kf7 33. Nc4 Kg6 34. Nd6 Bc6 35. Rd3 Kh5 36. f5 Re5 37. Rd4 Rd5 38. Rxd5 Bxd5 39. a4 Kg5 40. g3 Bb3 41. b5 Bxa4 42. c6 Bxb5 43. cxb7 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.26"]
[Round "2"]
[White "Yepez Ortiz, Dubier"]
[Black "Buitrago Garces, Maicol"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1846"]
[BlackElo "1571"]
[PlyCount "63"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Be3 Bxe3 5. fxe3 d6 6. Nf3 c6 7. Nc3 Qb6 8. Qc1 Ng4 9. Nd1 0-0 10. 0-0 Be6 11. Bb3 Bxb3 12. axb3 f5 13. exf5 Rxf5 14. h3 Nf6 15. g4 Rf4 16. Kg2 Rb4 17. e4 Nbd7 18. Qe3 Qxe3 19. Nxe3 d5 20. exd5 cxd5 21. g5 e4 22. Nd2 Ne8 23. Nxd5 Rb5 24. dxe4 g6 25. c4 Rc5 26. b4 Rxd5 27. exd5 Nd6 28. Rae1 Nf5 29. Re4 a5 30. bxa5 Nc5 31. Re2 Nd3 32. Nb3 1-0

[Event "COL Intercollegiate-ch blitz U18"]
[Site "Paipa"]
[Date "2019.12.15"]
[Round "1"]
[White "Ascanio Lugo, Juan Pablo"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1447"]
[BlackElo "1792"]
[PlyCount "107"]
[EventDate "2019.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 d5 7. exd5 Nxd5 8. Nxc6 bxc6 9. Be2 Nxc3 10. Qxd8+ Kxd8 11. bxc3 Bc5 12. Bf4 f6 13. Bf3 Bb7 14. Ke2 e5 15. Be3 Ba6+ 16. Kd2 Bxe3+ 17. Kxe3 Kc7 18. Rhd1 Rad8 19. Be4 g6 20. g4 Bc4 21. a4 a5 22. Rab1 Rb8 23. h4 Rxb1 24. Rxb1 Rd8 25. Bd3 Be6 26. g5 f5 27. Ba6 Rb8 28. Rxb8 Kxb8 29. f4 e4 30. Kd4 Kc7 31. Ke5 Kd7 32. Kf6 c5 33. Be2 Bd5 34. Kg7 Ke7 35. Kxh7 Bf7 36. Kg7 Be8 37. Bd1 e3 38. Be2 Bxa4 39. Kxg6 Bxc2 40. h5 a4 41. h6 a3 42. h7 a2 43. h8Q a1Q 44. Qf6+ Kd7 45. Bb5+ Kc7 46. Qc6+ Kb8 47. Qb6+ Kc8 48. Ba6+ Kd7 49. Bb5+ Kc8 50. Qxc5+ Kb8 51. Qxe3 Qa5 52. Qe5+ Ka8 53. Bc6+ Ka7 54. Qxa5+ 1-0

[Event "COL Intercollegiate-ch blitz U18"]
[Site "Paipa"]
[Date "2019.12.15"]
[Round "4"]
[White "Leon Sarria, Cristian David"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1560"]
[BlackElo "1792"]
[PlyCount "111"]
[EventDate "2019.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Nf6 4. 0-0 e6 5. h3 Bh5 6. b3 Bd6 7. Bb2 0-0 8. d3 c5 9. Nbd2 Nc6 10. e4 d4 11. Nc4 e5 12. Qd2 b5 13. Nxd6 Qxd6 14. Nh4 Rac8 15. Nf5 Qd7 16. Qg5 Bg6 17. h4 h6 18. Nxh6+ gxh6 19. Qxf6 Qg4 20. Bc1 Kh7 21. Kh2 Qe6 22. Qf3 f5 23. Bh3 Qd6 24. h5 Be8 25. Bxf5+ Kh8 26. Qg4 Rc7 27. f4 Rg7 28. Qh3 Nb4 29. fxe5 Qxe5 30. Bxh6 Nxc2 31. Bxg7+ Kxg7 32. Rac1 Ne3 33. Rf4 Rh8 34. b4 c4 35. dxc4 bxc4 36. Rg4+ Nxg4+ 37. Qxg4+ Kf8 38. Rxc4 Rxh5+ 39. Kg2 Qh8 40. Rc7 Rh2+ 41. Kf3 Rd2 42. Qh3 Qxh3 43. Bxh3 Rd3+ 44. Ke2 Rxg3 45. Be6 Bh5+ 46. Kd2 Rg2+ 47. Kd3 Rxa2 48. Bxa2 Ke8 49. Kxd4 Kd8 50. Rxa7 Kc8 51. Bd5 Kb8 52. Ra8+ Kc7 53. Kc5 Bf3 54. b5 Be2 55. b6+ Kd7 56. b7 1-0

[Event "COL Intercollegiate-ch blitz U18"]
[Site "Paipa"]
[Date "2019.12.15"]
[Round "8"]
[White "Murillo Loreo, Oscar Miguel"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1673"]
[BlackElo "1792"]
[PlyCount "136"]
[EventDate "2019.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 d5 7. Bb5 Bd7 8. Bxc6 bxc6 9. e5 Ng8 10. 0-0 c5 11. Nb3 Qc7 12. Bf4 Ne7 13. a4 a6 14. Re1 Ng6 15. Bg3 Be7 16. Kh1 Rb8 17. f4 Bh4 18. Bxh4 Nxh4 19. Qh5 Nf5 20. Rab1 d4 21. Ne4 c4 22. Nbc5 Bc6 23. Nxe6 Qe7 24. Qxf5 Qxe6 25. Nd6+ Ke7 26. Qg5+ Kd7 27. f5 Qd5 28. Rg1 g6 29. Qf6 gxf5 30. Qxf5+ Kc7 31. b3 c3 32. b4 Rhg8 33. Qxf7+ Qxf7 34. Nxf7 Rg7 35. e6 Rbg8 36. b5 axb5 37. axb5 Bb7 38. h4 Rxg2 39. Rxg2 Rxg2 40. Ng5 Rxg5+ 41. Kh2 Re5 42. b6+ Kb8 43. Rg1 Rxe6 44. Rg4 Rxb6 45. Rxd4 Rb2 46. Rc4 Rxc2+ 47. Kg3 Rg2+ 48. Kh3 Rc2 49. h5 Rc1 50. h6 c2 51. Kg4 Rg1+ 52. Kf5 c1Q 53. Rxc1 Rxc1 54. Kf6 Be4 55. Kg7 Bg6 56. Kh8 Rc8+ 57. Kg7 Rc7+ 58. Kh8 Rc6 59. Kg7 Bd3 60. Kh8 Rxh6 61. Kg8 Re6 62. Kf7 Rc6 63. Ke7 h5 64. Kd7 Kb7 65. Ke7 h4 66. Kf7 h3 67. Ke7 h2 68. Kf7 h1Q 0-1

[Event "COL Intercollegiate-ch blitz U18"]
[Site "Paipa"]
[Date "2019.12.15"]
[Round "5"]
[White "Ramirez Arias, Jacobo"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1338"]
[BlackElo "1792"]
[PlyCount "78"]
[EventDate "2019.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nxd4 6. Be3 Nc6 7. f4 e6 8. c4 Bb4+ 9. Nc3 d5 10. e5 Ne4 11. Bxe4 dxe4 12. 0-0 Qxd1 13. Nxd1 f5 14. exf6 gxf6 15. a3 Be7 16. Nc3 f5 17. Nb5 Bd8 18. Nd6+ Kf8 19. b4 b6 20. Rfd1 Ke7 21. b5 Na5 22. c5 Nb3 23. Rab1 Nxc5 24. Bd4 Rg8 25. Nc4 Nd3 26. a4 Bb7 27. Ne5 Nxe5 28. Bxe5 Bd5 29. g3 Rc8 30. Rd2 Bc7 31. Bd4 Bd6 32. Kf2 Bc5 33. Ke3 Kd6 34. Rbd1 Bxd4+ 35. Rxd4 Rc3+ 36. Kf2 Rgc8 37. R1d2 Rc2 38. Ke3 R8c3+ 39. Kf2 Rxd2+ 0-1

[Event "COL Intercollegiate-ch blitz U18"]
[Site "Paipa"]
[Date "2019.12.15"]
[Round "11"]
[White "Sabogal Varela, Jose Joaquin"]
[Black "Yepez Ortiz, Dubier"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1653"]
[BlackElo "1792"]
[PlyCount "48"]
[EventDate "2019.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 d5 7. Bg5 Be7 8. Bb5 0-0 9. Bxc6 e5 10. Bxf6 Bxf6 11. Nxd5 exd4 12. Nxf6+ Qxf6 13. Bd5 Qg5 14. 0-0 Bh3 15. Qf3 Be6 16. Rfd1 Rac8 17. Rac1 Bxd5 18. exd5 Rc4 19. Qe4 Rfc8 20. f4 Qf6 21. Qe5 Qb6 22. b3 d3+ 23. Kh1 Rxc2 24. Rxc2 dxc2 1/2-1/2

[Event "COL Intercollegiate-ch blitz U18"]
[Site "Paipa"]
[Date "2019.12.15"]
[Round "2"]
[White "Yepez Ortiz, Dubier"]
[Black "Ascanio Lugo, Juan Pablo"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1792"]
[BlackElo "1447"]
[PlyCount "120"]
[EventDate "2019.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d6 3. e4 Nbd7 4. Nf3 e5 5. dxe5 dxe5 6. Bd3 Be7 7. 0-0 0-0 8. h3 c6 9. Be3 Qc7 10. Qe2 Nc5 11. Rad1 Nxd3 12. Rxd3 Nh5 13. Nxe5 Qxe5 14. f4 Qa5 15. Bd2 Ng3 16. Rxg3 Bh4 17. Rgf3 f5 18. e5 Be6 19. Kh1 Rad8 20. a3 Qc7 21. Be1 Be7 22. Bf2 b6 23. Rd1 Rxd1+ 24. Qxd1 Bc4 25. Qe1 a5 26. Bh4 Bc5 27. Bf2 Be7 28. Qe3 b5 29. b3 Be6 30. a4 b4 31. Ne2 Bd5 32. Rg3 Bh4 33. Qc5 Bxg3 34. Nxg3 g6 35. Bd4 Rd8 36. Kg1 Qd7 37. Ne2 Be4 38. Qc4+ Qd5 39. Qxd5+ cxd5 40. c3 bxc3 41. Nxc3 Rb8 42. Nb5 Bd3 43. Nc7 Rxb3 44. Nxd5 Be4 45. Nf6+ Kf7 46. Bc5 Rb1+ 47. Kh2 Rb2 48. Nxe4 fxe4 49. Kg3 Rb3+ 50. Kg4 h5+ 51. Kh4 Rb2 52. g4 hxg4 53. hxg4 Rb3 54. Kg5 e3 55. f5 gxf5 56. gxf5 e2 57. e6+ Ke8 58. f6 Rf3 59. f7+ Kd8 60. e7+ Kc7 1-0

[Event "COL Intercollegiate-ch blitz U18"]
[Site "Paipa"]
[Date "2019.12.15"]
[Round "9"]
[White "Yepez Ortiz, Dubier"]
[Black "Echeverry Betancur, Jorge Andres"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1792"]
[BlackElo "1518"]
[PlyCount "71"]
[EventDate "2019.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Bd7 6. Nc3 g6 7. Be3 Bg7 8. Be2 Nf6 9. Rc1 Rc8 10. 0-0 a6 11. b3 0-0 12. Qd2 Nxd4 13. Bxd4 Bc6 14. f3 Qa5 15. Rfd1 Qc7 16. Re1 Qb8 17. a4 Nd7 18. Nd5 Rfe8 19. Bxg7 Kxg7 20. Qg5 f6 21. Qg3 Nc5 22. Rc3 Qa7 23. Kh1 Ne6 24. f4 Qd4 25. Bg4 Bd7 26. Rd3 Qc5 27. e5 dxe5 28. fxe5 Nf8 29. Nxf6 exf6 30. Bxd7 Nxd7 31. Rxd7+ Kh8 32. Qh4 Re7 33. Qxf6+ Kg8 34. Rxe7 Qxe7 35. Qxe7 Rf8 36. Qd6 1-0

[Event "COL Intercollegiate-ch blitz U18"]
[Site "Paipa"]
[Date "2019.12.15"]
[Round "7"]
[White "Yepez Ortiz, Dubier"]
[Black "Murillo Loreo, Oscar Miguel"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1792"]
[BlackElo "1673"]
[PlyCount "58"]
[EventDate "2019.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Nf6 4. Nc3 e5 5. d3 Nc6 6. Be2 Be7 7. 0-0 0-0 8. Ne1 Ne8 9. f4 exf4 10. Bxf4 Bg5 11. Qd2 Bxf4 12. Qxf4 Nd4 13. Bg4 Nf6 14. Bxc8 Rxc8 15. Nf3 Nc2 16. Rac1 Nb4 17. Rcd1 a6 18. a3 Nc6 19. Nh4 Ne5 20. Nf5 Nh5 21. Qe3 Rb8 22. Nd5 b5 23. Qh3 Qg5 24. Nfe7+ Kh8 25. Rf5 Nf4 26. Rxg5 Nxh3+ 27. gxh3 Nf3+ 28. Kg2 Nxg5 29. h4 Ne6 0-1

[Event "COL Intercollegiate-ch blitz U18"]
[Site "Paipa"]
[Date "2019.12.15"]
[Round "6"]
[White "Yepez Ortiz, Dubier"]
[Black "Ramirez Arias, Jacobo"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1792"]
[BlackElo "1338"]
[PlyCount "27"]
[EventDate "2019.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Qf3 Nxc3 5. dxc3 Nc6 6. Bf4 e6 7. Bd3 Be7 8. Qg3 0-0 9. Bxc7 Qd5 10. Bf4 e5 11. Bd2 e4 12. Be2 Bf5 13. Nh3 Bd6 14. Bf4 1-0

[Event "COL Intercollegiate-ch blitz U18"]
[Site "Paipa"]
[Date "2019.12.15"]
[Round "12"]
[White "Yepez Ortiz, Dubier"]
[Black "Sabogal Varela, Jose Joaquin"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1792"]
[BlackElo "1653"]
[PlyCount "118"]
[EventDate "2019.12.15"]
[EventType "swiss (blitz)"]
[EventRounds "12"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Nf6 4. Nc3 e6 5. d4 cxd4 6. Nxd4 Be7 7. Be2 a6 8. 0-0 Qc7 9. Be3 Nbd7 10. Rc1 b6 11. Qd2 Bb7 12. f3 Rc8 13. b3 0-0 14. Rfd1 Qb8 15. Bf2 Nc5 16. Qe3 Rfe8 17. b4 Ncd7 18. Nc2 Ne5 19. Qxb6 Nxc4 20. Qd4 e5 21. Qa7 Qxa7 22. Bxa7 Nb2 23. Ne3 Nxd1 24. Nexd1 d5 25. Rb1 dxe4 26. fxe4 Nxe4 27. Nxe4 Bxe4 28. Rb2 Rc2 29. Rxc2 Bxc2 30. Ne3 Be4 31. a3 Bg5 32. Nc4 Rc8 33. Kf2 Bh4+ 34. g3 Be7 35. Nxe5 Rc2 36. Ke3 Bg6 37. Bd4 Ra2 38. Bxa6 Rxa3+ 39. Bd3 Bf6 40. Nxg6 hxg6 41. Ke4 Bxd4 42. Kxd4 Kf8 43. b5 Ke7 44. Bc4 f6 45. Kc5 Kd8 46. b6 Kc8 47. Kc6 Kb8 48. Bd5 Rc3+ 49. Kd6 Rc2 50. h4 Rc3 51. g4 Rh3 52. Ke6 Rxh4 53. Kf7 Rxg4 54. Kxg7 f5 55. Kf6 f4 56. Bf3 Rg3 57. Be2 f3 58. Bf1 Rg1 59. Bh3 f2 0-1

[Event "COL Intercollegiate-ch rapid U18"]
[Site "Paipa"]
[Date "2019.12.14"]
[Round "5"]
[White "De la Rosa Povea, Miguel Angel"]
[Black "Yepez Ortiz, Dubier"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1659"]
[BlackElo "1728"]
[PlyCount "129"]
[EventDate "2019.12.14"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Be7 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Be3 Nxd4 12. Qxd4 Qc6 13. Qc4 Bd7 14. Qxc6 Bxc6 15. Bd4 Rfd8 16. Bc3 Be4 17. Rac1 Rac8 18. a4 Bg5 19. f4 Be7 20. Bf3 Bc6 21. g3 Bc5+ 22. Kg2 Be3 23. Ra1 Bd2 24. Bxc6 Rxc6 25. Rad1 Rcd6 26. Bxd2 Rxd2+ 27. Rxd2 Rxd2+ 28. Rf2 Rd4 29. b3 Kf8 30. Kf3 Ke7 31. Ke3 Rd6 32. c3 h5 33. b4 a6 34. c4 Rd1 35. Rb2 Ra1 36. a5 Kd6 37. Rd2+ Ke7 38. Kd4 Kd6 39. Kc3+ Kc7 40. Kd4 Rb1 41. Kc5 Ra1 42. Kd4 Re1 43. Kc5 e5 44. fxe5 Rxe5+ 45. Rd5 Rxd5+ 46. cxd5 g5 47. d6+ Kd7 48. Kb6 f5 49. Kxb7 f4 50. gxf4 gxf4 51. b5 f3 52. bxa6 f2 53. a7 f1Q 54. a8Q Qb5+ 55. Ka7 Qxa5+ 56. Kb7 Qxa8+ 57. Kxa8 Kxd6 58. Kb7 Ke5 59. Kc6 Kf4 60. Kd5 h4 61. Kd4 h3 62. Kd3 Kf3 63. Kd2 Kg2 64. Ke2 Kxh2 65. Kf2 1/2-1/2

[Event "COL Intercollegiate-ch rapid U18"]
[Site "Paipa"]
[Date "2019.12.14"]
[Round "2"]
[White "Echeverry Betancur, Jorge Andres"]
[Black "Yepez Ortiz, Dubier"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "1545"]
[BlackElo "1728"]
[PlyCount "113"]
[EventDate "2019.12.14"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c6 5. Nf3 Bd6 6. Bd3 0-0 7. 0-0 h6 8. b3 Qe7 9. Bb2 Nh7 10. Rc1 f5 11. cxd5 cxd5 12. Nb5 a6 13. Nxd6 Qxd6 14. Ne5 Bd7 15. Qd2 Nc6 16. Nxc6 Bxc6 17. Qa5 Rf6 18. Ba3 Qd7 19. Rc2 Ng5 20. Rfc1 Rg6 21. Kf1 Ne4 22. f3 Nd6 23. Qc5 Nb5 24. Bxb5 Bxb5+ 25. Kf2 Bc6 26. Qd6 Qxd6 27. Bxd6 Kf7 28. Be5 h5 29. h4 Rh6 30. a4 Rhh8 31. b4 Rhc8 32. b5 axb5 33. axb5 Bd7 34. Rc7 Ke8 35. Rxc8+ Rxc8 36. Rxc8+ Bxc8 37. Bxg7 b6 38. Be5 Kd8 39. Kg3 Bd7 40. Bd6 Bxb5 41. Kf4 Be8 42. e4 dxe4 43. fxe4 fxe4 44. Kxe4 Kd7 45. Ke5 Bg6 46. Bb4 Bd3 47. g3 Be2 48. Kf6 Bg4 49. Ke5 Kc6 50. Be1 Kb5 51. d5 exd5 52. Kxd5 Ka4 53. Kc4 b5+ 54. Kc5 Be2 55. Bd2 Kb3 56. Be1 Kc2 57. Kd5 1/2-1/2

[Event "COL Intercollegiate-ch rapid U18"]
[Site "Paipa"]
[Date "2019.12.14"]
[Round "4"]
[White "Murillo Loreo, Oscar Miguel"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1707"]
[BlackElo "1728"]
[PlyCount "59"]
[EventDate "2019.12.14"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Nf3 e5 4. Bb2 d6 5. c3 Bg4 6. Be2 Nf6 7. d3 Be7 8. Nbd2 a6 9. Nc4 b5 10. Ne3 Bxf3 11. Bxf3 b4 12. 0-0 0-0 13. cxb4 Nxb4 14. Nf5 Re8 15. Be2 Nc6 16. f4 Nd4 17. Nxd4 cxd4 18. Qd2 Nd7 19. b4 Rc8 20. Rac1 Qb6 21. Kh1 Qb5 22. Bg4 Rb8 23. Rc4 Nb6 24. Rc7 Na4 25. Bd7 Qb6 26. Bxe8 Rxe8 27. Rfc1 Qb8 28. Qc2 Nb6 29. Qc6 Bd8 30. Qxe8# 1-0

[Event "COL Intercollegiate-ch rapid U18"]
[Site "Paipa"]
[Date "2019.12.14"]
[Round "1"]
[White "Yepez Ortiz, Dubier"]
[Black "Morales Criado, Diego Alberto"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1728"]
[BlackElo "1359"]
[PlyCount "99"]
[EventDate "2019.12.14"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. d3 h6 6. 0-0 0-0 7. h3 Re8 8. Nd5 a6 9. c3 Na5 10. b4 Nxc4 11. Nxf6+ Qxf6 12. bxc5 Na5 13. Ba3 d6 14. cxd6 cxd6 15. c4 Qg6 16. Kh1 f5 17. Nh4 Qf6 18. Nxf5 Bxf5 19. exf5 Qxf5 20. Bxd6 Rad8 21. c5 Nc6 22. Qb3+ Qf7 23. Rab1 Qxb3 24. Rxb3 Rd7 25. Rfb1 b5 26. Re1 Kf7 27. Kg1 Na5 28. Ra3 Nb7 29. Bxe5 Rde7 30. c6 Rxe5 31. Rxe5 Rxe5 32. cxb7 Re8 33. Rxa6 Rb8 34. Rb6 Ke7 35. Rxb5 Kd7 36. a3 Kc7 37. Kh2 Rxb7 38. Rxb7+ Kxb7 39. Kg3 Kc6 40. Kf4 Kb5 41. d4 Ka4 42. d5 Kxa3 43. d6 Kb4 44. d7 Kc4 45. d8Q Kc5 46. Ke5 Kc4 47. Qc7+ Kd3 48. Qxg7 Ke2 49. f4 Kf2 50. f5 1-0

[Event "COL Intercollegiate-ch rapid U18"]
[Site "Paipa"]
[Date "2019.12.14"]
[Round "3"]
[White "Yepez Ortiz, Dubier"]
[Black "Olivella Fonseca, Fabio Junior"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1728"]
[BlackElo "1639"]
[PlyCount "27"]
[EventDate "2019.12.14"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. 0-0 d6 6. h3 0-0 7. d3 a6 8. Bg5 h6 9. Bh4 g5 10. Nxg5 hxg5 11. Bxg5 Kg7 12. Nd5 Kg6 13. Bxf6 Qd7 14. Qf3 1-0

[Event "COL Intercollegiate-ch U18"]
[Site "Paipa"]
[Date "2019.12.08"]
[Round "5"]
[White "De la Rosa Povea, Miguel Angel"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1724"]
[BlackElo "1744"]
[PlyCount "93"]
[EventDate "2019.12.06"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Bb4 7. f3 Qa5 8. Ndb5 d5 9. 0-0 d4 10. Nxd4 Nxd4 11. Qxd4 Bc5 12. Bb5+ Qxb5 13. Nxb5 Bxd4+ 14. Nxd4 Bd7 15. Bg5 Rc8 16. Rac1 h6 17. Bxf6 gxf6 18. c4 a6 19. Kf2 Rg8 20. b4 Ke7 21. Nb3 h5 22. Rfd1 Rg5 23. Rd2 Rcg8 24. Kf1 h4 25. Rcd1 Bc6 26. Na5 Ba4 27. Rc1 b6 28. Nb3 f5 29. exf5 Rxf5 30. h3 Rfg5 31. c5 Bb5+ 32. Kg1 bxc5 33. Rxc5 Rg3 34. Kh2 Bf1 35. Rcc2 Kf6 36. Nc5 R3g7 37. a4 Kf5 38. Rf2 Rb8 39. Rxf1 Rxb4 40. Nxa6 Rxa4 41. Nc5 Ra3 42. Ne4 Kf4 43. Re1 Ra5 44. Nf2 Ra6 45. Rc4+ Kg5 46. Rg4+ Kf6 47. Ne4+ 1-0

[Event "COL Intercollegiate-ch U18"]
[Site "Paipa"]
[Date "2019.12.08"]
[Round "6"]
[White "Yepez Ortiz, Dubier"]
[Black "Londono Lopez, Donaldo Eliuver"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1744"]
[BlackElo "1800"]
[PlyCount "38"]
[EventDate "2019.12.06"]
[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 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 0-0 8. Nf3 c5 9. 0-0 Nc6 10. c4 Qc7 11. d3 Rb8 12. Be3 b6 13. Qc1 Re8 14. Bh6 Bh8 15. Re1 Bb7 16. Bd2 Rbd8 17. a4 a5 18. Ng5 Nb4 19. Ne4 Qc6 1-0

[Event "COL Intercollegiate-ch U18"]
[Site "Paipa"]
[Date "2019.12.07"]
[Round "3"]
[White "Morales Criado, Diego Alberto"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1332"]
[BlackElo "1744"]
[PlyCount "102"]
[EventDate "2019.12.06"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Bb4 7. Bd3 d5 8. 0-0 0-0 9. Nxc6 bxc6 10. Bg5 Bxc3 11. bxc3 dxe4 12. Bxf6 Qxf6 13. Bxe4 Qxc3 14. Qf3 Qxf3 15. Bxf3 Ba6 16. Rfd1 Rfd8 17. Bxc6 Rac8 18. g3 Kf8 19. Rxd8+ Rxd8 20. Rb1 Ke7 21. a4 Rd4 22. c3 Rc4 23. Bb5 Bxb5 24. Rxb5 Rxa4 25. Rb7+ Kf6 26. c4 a5 27. c5 Rc4 28. Rb5 a4 29. Ra5 Ke5 30. Kf1 Kd5 31. Ke2 Rc2+ 32. Ke3 Rc3+ 33. Kd2 Rf3 34. Ke2 Ra3 35. h4 h6 36. h5 g6 37. g4 gxh5 38. gxh5 f5 39. f4 Rh3 40. c6+ Kxc6 41. Rxa4 Rxh5 42. Kf2 Rh4 43. Kg3 Rg4+ 44. Kh3 h5 45. Kh2 Kd6 46. Kh3 Ke7 47. Rb4 Kf6 48. Ra4 Rg1 49. Kh2 Re1 50. Kg3 Re3+ 51. Kf2 Re4 0-1

[Event "COL Intercollegiate-ch U18"]
[Site "Paipa"]
[Date "2019.12.07"]
[Round "4"]
[White "Yepez Ortiz, Dubier"]
[Black "Leon Sarria, Cristian David"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "1744"]
[BlackElo "1262"]
[PlyCount "83"]
[EventDate "2019.12.06"]
[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. g3 d5 4. cxd5 exd5 5. d4 c5 6. Bg2 Nc6 7. Nf3 Be7 8. 0-0 0-0 9. a3 c4 10. Ne5 Be6 11. Nxc4 dxc4 12. d5 Nxd5 13. Nxd5 Bc5 14. Bf4 Rc8 15. Nc3 a6 16. Ne4 Qxd1 17. Rfxd1 Be7 18. Nd6 Bxd6 19. Rxd6 Bg4 20. Bxc6 Rxc6 21. Rxc6 bxc6 22. f3 Be6 23. Rd1 f5 24. Rd6 Bd5 25. Rd7 Re8 26. Kf2 h6 27. Ra7 g5 28. Bd2 Bf7 29. Rxa6 Re6 30. Bc3 c5 31. Ra8+ Re8 32. Ra7 Kf8 33. Rc7 Be6 34. Bg7+ Kg8 35. Bxh6 g4 36. Rxc5 Kh7 37. Bd2 gxf3 38. exf3 Rc8 39. Rxc8 Bxc8 40. Ke3 Kg6 41. Kd4 Be6 42. h3 1-0

[Event "COL Intercollegiate-ch U18"]
[Site "Paipa"]
[Date "2019.12.06"]
[Round "1"]
[White "Cuiche Perez, Diego Alejandro"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1744"]
[PlyCount "70"]
[EventDate "2019.12.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. h3 Bf5 4. e3 e6 5. a3 Bd6 6. Nc3 c6 7. g4 Bg6 8. g5 Ne4 9. Bd2 Nxg5 10. Nxg5 Qxg5 11. h4 Qf6 12. Ne2 Be4 13. Rh3 Bf5 14. e4 Bxh3 15. e5 Bxe5 16. dxe5 Qxh4 17. Ng3 Bxf1 18. Nxf1 Qe4+ 19. Be3 Qxe5 20. c3 Nd7 21. Qe2 0-0 22. 0-0-0 b5 23. Qg4 Qf5 24. Qg3 a5 25. Nd2 b4 26. Rg1 g6 27. Nb1 b3 28. Kd1 Qxb1+ 29. Ke2 Qxb2+ 30. Bd2 Qc2 31. Qg5 Qe4+ 32. Be3 b2 33. Rd1 b1Q 34. Qh6 Qec2+ 35. Rd2 Qbd1# 0-1

[Event "COL Intercollegiate-ch U18"]
[Site "Paipa"]
[Date "2019.12.06"]
[Round "2"]
[White "Yepez Ortiz, Dubier"]
[Black "Echeverry Betancur, Jorge Andres"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "1744"]
[BlackElo "1542"]
[PlyCount "138"]
[EventDate "2019.12.06"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 Nf6 7. 0-0 g6 8. Bf4 Bg7 9. c3 0-0 10. Nbd2 a6 11. Bxc6 Bxc6 12. Rfe1 Qb6 13. b3 Ng4 14. Bg3 Bb5 15. Nc4 Bxc4 16. bxc4 Qa5 17. Rec1 Rac8 18. h3 Ne5 19. Nxe5 Bxe5 20. Bxe5 Qxe5 21. Rab1 Rc7 22. Qd5 Qxd5 23. cxd5 b5 24. a4 Rc5 25. axb5 axb5 26. f3 Ra8 27. Rb3 f5 28. Kf2 Ra2+ 29. Kg3 Ra4 30. Re1 fxe4 31. fxe4 b4 32. cxb4 Rc2 33. b5 Rac4 34. Ree3 Ra2 35. Kh2 Rcc2 36. Rg3 Rab2 37. Rxb2 Rxb2 38. Rf3 Rxb5 39. Kg3 Rb4 40. Kf4 Kg7 41. g4 h6 42. h4 Rb8 43. Kg3 Rb4 44. Kf4 Rb1 45. Kg3 Re1 46. Kf4 Rh1 47. Kg3 Rg1+ 48. Kf4 Kf6 49. e5+ dxe5+ 50. Ke4+ Kg7 51. Kxe5 Rxg4 52. h5 gxh5 53. Ke6 Re4+ 54. Kf5 Re1 55. Rh3 Kf7 56. Rxh5 Rf1+ 57. Ke5 Kg6 58. Rh2 Re1+ 59. Kd4 h5 60. Rg2+ Kf5 61. Kc5 h4 62. Rg7 h3 63. Rh7 Kg4 64. Kc6 Re5 65. Rh6 Rh5 66. Rg6+ Kf5 67. Rg1 h2 68. Rh1 Kg4 69. Kd7 Rxd5+ 0-1

[Event "Medellin Luces Cup"]
[Site "Medellin"]
[Date "2017.12.21"]
[Round "7"]
[White "Castano, Saray"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1555"]
[BlackElo "1752"]
[PlyCount "86"]
[EventDate "2017.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 e6 7. 0-0 d5 8. Nd2 Be7 9. b3 0-0 10. Bb2 a5 11. Qe2 Qb6 12. a4 Ba6 13. Bxa6 Qxa6 14. Qxa6 Rxa6 15. exd5 cxd5 16. Ba3 Bxa3 17. Rxa3 Rc8 18. Ra2 Kf8 19. Rc1 Rb6 20. h3 Nd7 21. c4 d4 22. Rb2 Nc5 23. Rcb1 Rcb8 24. Ra2 Ke7 25. Nf3 Nxb3 26. Rab2 Rb4 27. Ne5 Ke8 28. Nc6 Nd2 29. Rxb4 Rxb4 30. Nxb4 Nxb1 31. Nd3 Nc3 32. Nb2 d3 33. Nxd3 Nxa4 34. Kf1 Nc3 35. Nc5 a4 36. Ke1 a3 37. Nb3 Kd7 38. f3 Kc6 39. Kd2 Na4 40. Kc2 e5 41. Kd3 Nc5+ 42. Kc3 Nxb3 43. Kxb3 Kc5 0-1

[Event "Medellin Luces Cup"]
[Site "Medellin"]
[Date "2017.12.21"]
[Round "6"]
[White "Yepez Ortiz, Dubier"]
[Black "Piedrahita Hernandez, Byron Miguel"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1752"]
[BlackElo "1639"]
[PlyCount "51"]
[EventDate "2017.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. g3 a6 8. Bg2 Ne5 9. 0-0 d6 10. f3 h5 11. h4 Nc4 12. Bg5 Nxb2 13. Qb3 Bxd4+ 14. Kh2 Qe5 15. cxd4 Qxd4 16. Be3 Qd3 17. Qxb2 Qxe3 18. Qxg7 Qh6 19. Qc3 Nc6 20. Na3 Be6 21. Rfb1 0-0-0 22. Rxb7 Kxb7 23. Rb1+ Ka7 24. Qxc6 Rb8 25. Qxc7+ Ka8 26. Qc6+ 1/2-1/2

[Event "Medellin Luces Cup"]
[Site "Medellin"]
[Date "2017.12.20"]
[Round "4"]
[White "Florez, Santiago"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1549"]
[BlackElo "1752"]
[PlyCount "62"]
[EventDate "2017.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. b3 Nc6 4. Bb2 Nf6 5. e3 e6 6. Bb5 a6 7. Bxc6+ bxc6 8. d3 Be7 9. 0-0 0-0 10. c4 a5 11. Qe2 Qb6 12. Nc3 Rd8 13. Na4 Qb7 14. Ba3 Qa7 15. Ne5 Bd7 16. Rac1 Rac8 17. g4 Be8 18. g5 Nd7 19. Nxd7 Bxd7 20. d4 e5 21. fxe5 Bh3 22. Rf2 cxd4 23. Bb2 dxe3 24. Rf4 Bxg5 25. Rd4 dxc4 26. Rcxc4 Be6 27. Rc5 Rd5 28. Rdxd5 cxd5 29. Qb5 e2 30. Kg2 Qxc5 31. Nxc5 e1Q 0-1

[Event "Medellin Luces Cup"]
[Site "Medellin"]
[Date "2017.12.20"]
[Round "5"]
[White "Montoya Perez, Juan Rafael"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1963"]
[BlackElo "1752"]
[PlyCount "71"]
[EventDate "2017.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 e6 4. Bd3 c5 5. c3 Nbd7 6. Nd2 Be7 7. Ngf3 0-0 8. Qc2 h6 9. h4 Re8 10. 0-0-0 Qa5 11. Kb1 c4 12. Be2 b5 13. Bxf6 Nxf6 14. Ne5 b4 15. Nc6 Qb6 16. Nxe7+ Rxe7 17. cxb4 a5 18. b5 Qxb5 19. Ka1 Rb8 20. Rb1 a4 21. g4 Nh7 22. g5 hxg5 23. hxg5 g6 24. f4 Kg7 25. e4 Ba6 26. Qc3 Reb7 27. Qh3 Rh8 28. f5 exf5 29. exf5 gxf5 30. Qh6+ Kg8 31. g6 fxg6 32. Qxg6+ Rg7 33. Qe6+ Kf8 34. Qxf5+ Rf7 35. Qe5 Rf6 36. Rxh7 1-0

[Event "Medellin Luces Cup"]
[Site "Medellin"]
[Date "2017.12.19"]
[Round "2"]
[White "Alvarez Ochoa, Santiago"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "1752"]
[PlyCount "44"]
[EventDate "2017.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Bb4 7. f3 d5 8. Nxc6 bxc6 9. e5 Nd7 10. Bf4 Qb6 11. a3 Bc5 12. Qd2 Qxb2 13. Rb1 Qxa3 14. Nd1 Bb6 15. h4 Qa5 16. c3 Bc7 17. g4 Bxe5 18. Bxe5 Nxe5 19. Qf4 Qc7 20. Qe3 0-0 21. f4 Nxg4 22. Qg3 h5 0-1

[Event "Medellin Luces Cup"]
[Site "Medellin"]
[Date "2017.12.19"]
[Round "3"]
[White "Yepez Ortiz, Dubier"]
[Black "Lizarazo, Juan Carlos"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1752"]
[BlackElo "2000"]
[PlyCount "90"]
[EventDate "2017.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. Qe2 c6 7. 0-0 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. Bg5 Qa5 11. Bh4 b5 12. Bd3 Qb6 13. Ne2 c5 14. c3 c4 15. Bc2 b4 16. Ba4 e5 17. d5 Nc5 18. Bxf6 Nxa4 19. cxb4 Qxb4 20. b3 cxb3 21. axb3 Nb6 22. Bxg7 Kxg7 23. Rfc1 Nd7 24. Rc7 Nc5 25. Ng3 a5 26. Qg4 Kh8 27. h4 Qb8 28. Rc6 Nxb3 29. Rb1 a4 30. Qf3 Qd8 31. Rd1 Nd4 32. Qc3 Nxc6 33. dxc6 Qc7 34. f4 f6 35. f5 Qa5 36. Qf3 a3 37. fxg6 a2 38. g7+ Kxg7 39. Nh5+ Kh8 40. Qg4 Ra7 41. Ra1 Qd2 42. Kh2 Qb2 43. Rf1 a1Q 44. Rxf6 Rg8 45. Qf3 Rxg2+ 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.05.01"]
[Round "7"]
[White "Yepez Ortiz, Dubier"]
[Black "Arboleda Orozco, Juan M"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1716"]
[BlackElo "1914"]
[PlyCount "15"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 g6 6. d3 Bg7 7. f4 Nf6 8. f5 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.30"]
[Round "6"]
[White "Duran, Luis Esteban"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "A52"]
[BlackElo "1716"]
[PlyCount "26"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 Ngxe5 7. 0-0 Nxf3+ 8. Bxf3 Ne5 9. Be2 0-0 10. a3 Qh4 11. b4 Bd6 12. g3 Qf6 13. Qd4 Nf3+ 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.29"]
[Round "4"]
[White "Yepez Ortiz, Dubier"]
[Black "Marquez Velez, Juan Diego"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1716"]
[BlackElo "1896"]
[PlyCount "56"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c4 e5 4. d3 d6 5. Nc3 Nf6 6. Bg5 Be7 7. Bxf6 Bxf6 8. Nd5 0-0 9. Be2 g6 10. Nxf6+ Qxf6 11. Qd2 Bg4 12. Ng1 Be6 13. h3 a6 14. Nf3 b5 15. b3 Qe7 16. g4 Nd4 17. Nxd4 exd4 18. Qh6 bxc4 19. bxc4 Rab8 20. 0-0 Rb2 21. Bd1 Rfb8 22. Bb3 a5 23. Rae1 a4 24. Qc1 a3 25. Qh6 Bd7 26. f4 f6 27. g5 fxg5 28. f5 Qe5 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.28"]
[Round "2"]
[White "Yepez Ortiz, Dubier"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1716"]
[BlackElo "1995"]
[PlyCount "53"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 g6 4. Be3 c6 5. c4 Qc7 6. Nc3 Nbd7 7. Nh3 a6 8. Nf2 c5 9. Be2 Bg7 10. Rc1 b6 11. Qd2 h5 12. 0-0 Bb7 13. b3 cxd4 14. Bxd4 Bh6 15. Be3 Bxe3 16. Qxe3 Qc5 17. Qd2 h4 18. Na4 Qh5 19. Nh3 Bc6 20. Nc3 Qc5+ 21. Kh1 Rg8 22. Nd5 Bxd5 23. cxd5 Qa3 24. Rc7 Nc5 25. b4 Kd8 26. Rc6 Na4 27. Rb1 1-0

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.27"]
[Round "1"]
[White "Yepez Ortiz, Dubier"]
[Black "Bedoya Canas, Maria Isabel"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1716"]
[PlyCount "57"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be6 7. Be3 Be7 8. Nd4 Bd7 9. Qh5 c5 10. Bc4 g6 11. Qf3 Bf6 12. Ne2 Bc6 13. Bd5 Bxd5 14. Qxd5 Nc6 15. 0-0-0 Be7 16. Bh6 Qc7 17. Kb1 0-0-0 18. Qxf7 Kb8 19. Nf4 Rd7 20. Ne6 Ne5 21. Qf4 Qc8 22. Bg7 Rg8 23. Bxe5 dxe5 24. Qxe5+ Ka8 25. Rhe1 Rxd1+ 26. Rxd1 Re8 27. Nc7+ Kb8 28. Nxe8+ Ka8 29. Qxe7 1-0

[Event "Malambo Semifinal 1 Cat U16"]
[Site "Malambo"]
[Date "2017.03.05"]
[Round "6.2"]
[White "Lopez Gonzalez, Carlos Andres"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1617"]
[BlackElo "1746"]
[PlyCount "59"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. e5 Nd7 8. f4 Qb6 9. Qe2 e6 10. c3 Rb8 11. Qf2 Bc5 12. Qg3 0-0 13. f5 exf5 14. b4 Be7 15. Bh6 g6 16. Bxf8 Bxf8 17. Nd2 Bg7 18. Qf2 Nxe5 19. Be2 Qc7 20. 0-0 Nd7 21. Rac1 Nf6 22. a3 a5 23. Kh1 Be6 24. Bf3 Rd8 25. Nb3 axb4 26. cxb4 Ne4 27. Bxe4 dxe4 28. Na5 Bd4 29. Qc2 Qb6 30. Nxc6 1-0

[Event "Malambo Semifinal 1 Cat U16"]
[Site "Malambo"]
[Date "2017.03.04"]
[Round "5.2"]
[White "Gonzalez Taborda, David"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1666"]
[BlackElo "1746"]
[PlyCount "29"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 Nf6 6. Nge2 d6 7. d3 a6 8. 0-0 0-0 9. h3 Rb8 10. Be3 b6 11. f4 Bd7 12. Qe1 Nb4 13. Qd1 Re8 14. e5 dxe5 15. fxe5 1-0

[Event "Malambo Semifinal 1 Cat U16"]
[Site "Malambo"]
[Date "2017.03.04"]
[Round "4.1"]
[White "Yepez Ortiz, Dubier"]
[Black "Arboleda Orozco, Juan M"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "1746"]
[BlackElo "1924"]
[PlyCount "94"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c4 Bg7 5. Nc3 e6 6. 0-0 Nge7 7. Re1 0-0 8. d3 a6 9. Bxc6 Nxc6 10. Bg5 Qc7 11. Qd2 Nd4 12. Nxd4 cxd4 13. Ne2 d6 14. Bh6 e5 15. Bxg7 Kxg7 16. f4 f5 17. fxe5 dxe5 18. exf5 Bxf5 19. Ng3 Rf7 20. Rf1 Raf8 21. Rae1 h5 22. Qg5 Kh7 23. Rf3 Qe7 24. Qxe7 Rxe7 25. Nxf5 gxf5 26. Kf2 Rff7 27. Kg3 Kg6 28. Rf2 e4 29. Rf4 exd3 30. Rxe7 Rxe7 31. Rxd4 Re3+ 32. Kf2 Re2+ 33. Kf3 Rxb2 34. Rxd3 Rxa2 35. Rb3 Kf6 36. Rxb7 Ke5 37. Rd7 Ra3+ 38. Kf2 a5 39. c5 a4 40. c6 Rc3 41. Ra7 a3 42. c7 Rc2+ 43. Kg3 f4+ 44. Kf3 Rc3+ 45. Kf2 Ke4 46. Rxa3 Rxc7 47. Kf1 Rc1+ 1/2-1/2

[Event "Malambo Semifinal 1 Cat U16"]
[Site "Malambo"]
[Date "2017.03.03"]
[Round "3.2"]
[White "Bolivar Pena, Jhan Mario"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1602"]
[BlackElo "1746"]
[PlyCount "96"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Bb4 7. f3 d5 8. Bb5 Bd7 9. Bxc6 bxc6 10. e5 Ng8 11. 0-0 c5 12. Nb3 d4 13. Bxd4 cxd4 14. Qxd4 Qb6 15. Ne4 Qxd4+ 16. Nxd4 Ne7 17. c3 Ba5 18. Nd6+ Kf8 19. Kh1 Nc6 20. Rad1 Ke7 21. f4 Nxd4 22. Rxd4 Bb6 23. Rd2 Bc6 24. b4 Rhd8 25. c4 a6 26. c5 Bc7 27. f5 Bd5 28. f6+ gxf6 29. Rxf6 Bxd6 30. cxd6+ Kf8 31. Rdf2 Rd7 32. h3 Rc8 33. Rh6 Kg7 34. Rh4 Rc4 35. Rxc4 Bxc4 36. Rc2 Bb5 37. g4 f6 38. exf6+ Kxf6 39. Kg2 Rxd6 40. Kg3 Rd4 41. Rf2+ Ke7 42. a3 Rd3+ 43. Rf3 e5 44. Rxd3 Bxd3 45. Kf3 Kf6 46. h4 Bc2 47. Ke2 e4 48. Ke3 Ke5 0-1

[Event "Malambo Semifinal 1 Cat U16"]
[Site "Malambo"]
[Date "2017.03.02"]
[Round "1.3"]
[White "Yepez Ortiz, Dubier"]
[Black "Duque Aguirre, Juan Jose"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1746"]
[BlackElo "1587"]
[PlyCount "29"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Qe7 6. Be2 d6 7. c4 Bd7 8. 0-0 0-0-0 9. Qxa7 c6 10. Bd2 d5 11. Qa8+ Kc7 12. Bf4+ Kb6 13. c5+ Kxc5 14. Qa7+ Kb4 15. Qa3# 1-0

[Event "Medellin sf1 U18"]
[Site "Medellin"]
[Date "2017.02.25"]
[Round "4.4"]
[White "Yepez Ortiz, Dubier"]
[Black "Londono, Neider Farid"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1692"]
[BlackElo "1460"]
[PlyCount "80"]
[EventDate "2017.02.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Nf6 4. Nc3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. Be3 a6 10. Rc1 Bd7 11. f3 Rc8 12. Qd2 Nxd4 13. Bxd4 Bc6 14. Rfd1 Qd7 15. Nd5 Bxd5 16. exd5 Qc7 17. b3 Nd7 18. Bxg7 Kxg7 19. Rf1 Rfe8 20. f4 Qc5+ 21. Kh1 Nf6 22. Rf3 Nxd5 23. Rcf1 Nf6 24. f5 Rh8 25. Qb2 Qe5 26. Qd2 Rce8 27. Rh3 h6 28. b4 d5 29. Re3 Qd6 30. c5 Qd7 31. Qd4 Qd8 32. fxg6 fxg6 33. Re6 Ref8 34. Rb6 Qd7 35. Qe5 Rf7 36. h3 h5 37. Bd3 Kh7 38. Qg5 Rg8 39. Re1 Ne8 40. Qxh5+ Kg7 1-0

[Event "Medellin sf1 U18"]
[Site "Medellin"]
[Date "2017.02.25"]
[Round "5.2"]
[White "Yepez Ortiz, Dubier"]
[Black "Marcial Torres, Jesus"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1692"]
[BlackElo "2144"]
[PlyCount "50"]
[EventDate "2017.02.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 c6 6. Ne2 Qf6 7. Bf4 Bxf4 8. Qxf4 Qxf4 9. Nxf4 Ne7 10. Nd2 Bf5 11. 0-0-0 Bxd3 12. Nxd3 0-0 13. Rde1 Nf5 14. c3 Na6 15. Re5 g6 16. Rhe1 Rad8 17. g4 Nd6 18. Re7 Rfe8 19. Nc5 Rxe7 20. Rxe7 Kf8 21. Rd7 Rxd7 22. Nxd7+ Ke7 23. Ne5 f6 24. Nd3 Nc7 25. Kd1 Ne6 1/2-1/2

[Event "Medellin sf1 U18"]
[Site "Medellin"]
[Date "2017.02.24"]
[Round "2.1"]
[White "Yepez Ortiz, Dubier"]
[Black "Salcedo Perez, Pablo Esteban"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "1692"]
[BlackElo "2232"]
[PlyCount "76"]
[EventDate "2017.02.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. dxc5 Nxe4 7. cxd6 Nc6 8. 0-0 e6 9. Qe2 Nxd6 10. Rd1 f6 11. c4 Qf7 12. Nc3 Be7 13. c5 Nf5 14. Qb5 Rb8 15. Ne4 0-0 16. b4 e5 17. Bb2 a6 18. Qa4 Qc4 19. Qb3 Qxb3 20. axb3 Nxb4 21. g4 Nh6 22. Rd7 Nc6 23. h3 Rfd8 24. Rad1 Nf7 25. Kg2 Kf8 26. Rxd8+ Rxd8 27. Rxd8+ Nfxd8 28. Bc3 Ne6 29. b4 Nf4+ 30. Kh2 Nd5 31. Bb2 Ncxb4 32. g5 Ke8 33. gxf6 gxf6 34. Nh4 Kd7 35. Nf5 Bf8 36. f4 Nxf4 37. Nxf6+ Ke6 38. Nxh7 Bxc5 0-1

[Event "Medellin sf1 U18"]
[Site "Medellin"]
[Date "2017.02.23"]
[Round "1.3"]
[White "Arboleda Orozco, Juan M"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1904"]
[BlackElo "1692"]
[PlyCount "60"]
[EventDate "2017.02.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Nxc6 bxc6 7. Bd3 Bb4 8. 0-0 0-0 9. e5 Nd5 10. Qg4 Bxc3 11. bxc3 f5 12. exf6 Qxf6 13. Bg5 Qxc3 14. Rab1 d6 15. Qe4 g6 16. Rb3 Qg7 17. c4 Ne7 18. Re1 d5 19. cxd5 cxd5 20. Qh4 Nf5 21. Bxf5 Rxf5 22. Bh6 Qf6 23. Qa4 Qd8 24. Qc6 Bd7 25. Qd6 Rf7 26. Reb1 Rc8 27. Rb8 Qe7 28. Qa6 Qc5 29. Rxc8+ Bxc8 30. Rb8 Qxf2+ 0-1

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2016.12.20"]
[Round "6"]
[White "Yepez Ortiz, Dubier"]
[Black "Lopez Gonzalez, Carlos Andres"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1710"]
[BlackElo "1513"]
[PlyCount "60"]
[EventDate "2016.12.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c4 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 a6 9. 0-0 d6 10. f3 Qb6 11. Na4 Qc7 12. Qd2 Bd7 13. Nc3 Rac8 14. Rac1 Qd8 15. Rfe1 Ne5 16. b3 Bc6 17. Nxc6 Nxc6 18. Nd5 Nd7 19. f4 Re8 20. Bg4 e6 21. Nc3 Nc5 22. Bf3 Re7 23. Red1 Qa5 24. e5 Rd7 25. Ne4 Qxd2 26. Rxd2 Nxe4 27. Bxe4 Rcd8 28. Bb6 dxe5 29. Rxd7 Rxd7 30. fxe5 Bxe5 0-1

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2016.12.19"]
[Round "4"]
[White "Cardona, Jeyson"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2074"]
[BlackElo "1710"]
[PlyCount "115"]
[EventDate "2016.12.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. 0-0 Qc7 5. Re1 Be7 6. Nc3 Nf6 7. Nd5 Qd6 8. Nxe7 Qxe7 9. c3 a6 10. Bf1 0-0 11. d4 d6 12. Bg5 Bg4 13. d5 Nb8 14. a4 Nbd7 15. a5 Qe8 16. Qd3 h6 17. Bd2 Nh7 18. Nh4 Kh8 19. h3 Bh5 20. Nf5 Qb8 21. Ne3 Qc7 22. g4 Bg6 23. Nc4 b5 24. axb6 Nxb6 25. Na5 Rfc8 26. c4 Nd7 27. Ra3 Ra7 28. Rea1 Nb8 29. Bg2 Nf6 30. f3 Nfd7 31. h4 Qd8 32. Be1 f6 33. Bf1 Be8 34. Be2 Nf8 35. h5 Qd7 36. Bd1 Qf7 37. Qe3 Nfd7 38. Ba4 Kh7 39. Bd2 Nb6 40. Bxe8 Qxe8 41. Kg2 Kg8 42. Qd3 N6d7 43. Nb3 Nf8 44. Nc1 Nh7 45. Ne2 Ng5 46. Ng3 Qd7 47. Nf5 Nf7 48. Rb1 Rb7 49. b4 cxb4 50. Rxb4 Rxb4 51. Bxb4 Rf8 52. c5 dxc5 53. Bxc5 Re8 54. Qb3 Kh8 55. Qb6 Rc8 56. Ne7 Re8 57. Ng6+ Kh7 58. Nf8+ 1-0

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2016.12.19"]
[Round "5"]
[White "Espinosa Valderrama, Santiago"]
[Black "Yepez Ortiz, Dubier"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1615"]
[BlackElo "1710"]
[PlyCount "8"]
[EventDate "2016.12.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Nc6 1/2-1/2

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2016.12.17"]
[Round "3"]
[White "Yepez Ortiz, Dubier"]
[Black "Mesa, Francisco Alonso Jr"]
[Result "1/2-1/2"]
[ECO "B54"]
[WhiteElo "1710"]
[BlackElo "1922"]
[PlyCount "67"]
[EventDate "2016.12.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Be2 Nf6 5. Nc3 d6 6. d4 cxd4 7. Nxd4 a6 8. 0-0 Be7 9. Be3 0-0 10. Qd2 Bd7 11. Rac1 Rc8 12. b3 Qa5 13. Rfd1 Rfd8 14. Nxc6 Bxc6 15. Nd5 Qxd2 16. Nxe7+ Kf8 17. Rxd2 Kxe7 18. f3 b5 19. Bb6 Rg8 20. Rdc2 bxc4 21. Bxc4 Bb7 22. Bd3 Rxc2 23. Rxc2 Rc8 24. Rxc8 Bxc8 25. Kf2 Nd7 26. Be3 Ne5 27. Be2 f6 28. b4 Bb7 29. Bd4 Kd7 30. Ke3 Nc6 31. Bc3 Ne7 32. b5 axb5 33. Bxb5+ Bc6 34. Bc4 1/2-1/2

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2016.12.16"]
[Round "1"]
[White "Yepez Ortiz, Dubier"]
[Black "Sierra Mejia, Juan Pablo"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1710"]
[BlackElo "2088"]
[PlyCount "62"]
[EventDate "2016.12.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Bb6 6. Bc4 Nf6 7. Nc3 Qe7 8. Nf5 Qf8 9. 0-0 d6 10. Bxb6 axb6 11. Nb5 Kd8 12. Nfd4 Nxe4 13. Nxc6+ bxc6 14. Qf3 f5 15. Nd4 Bd7 16. Rfd1 Qf6 17. c3 Kc8 18. Qe2 Kb7 19. a4 d5 20. Bd3 Rhe8 21. Qc2 Nd6 22. b4 Kc8 23. b5 c5 24. Nc6 Bxc6 25. bxc6 c4 26. Be2 Ne4 27. Ra3 Qxc6 28. Rda1 Qc5 29. Bf3 Nd6 30. Qd2 c6 31. Qf4 Qxa3 0-1

[Event "Pan American-ch U14"]
[Site "Cali"]
[Date "2015.07.01"]
[Round "6"]
[White "Yepez Ortiz, Dubier"]
[Black "Plua, Alan"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1800"]
[BlackElo "1535"]
[PlyCount "51"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc3 Nc6 7. Be3 Bd7 8. Be2 Nf6 9. Qd2 Ne5 10. f3 Rc8 11. b3 a5 12. 0-0 a4 13. Kh1 Qa5 14. Rfc1 0-0 15. Nd5 Qd8 16. Bh6 Bxh6 17. Qxh6 Nxd5 18. exd5 Qb6 19. Qd2 Ra8 20. h3 Ra7 21. f4 Nc6 22. dxc6 bxc6 23. Qc3 Rfa8 24. Bd1 e5 25. Nf3 Qb7 26. Rcb1 0-1

[Event "Pan American-ch U14"]
[Site "Cali"]
[Date "2015.06.29"]
[Round "3"]
[White "Ugarelli Ancasi, Juan Carlos"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1405"]
[BlackElo "1800"]
[PlyCount "52"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 Nf6 3. g3 e6 4. Bg2 d5 5. cxd5 exd5 6. d4 Bd6 7. e3 Bf5 8. Nge2 0-0 9. 0-0 Na6 10. a3 Nc7 11. b3 Qd7 12. Re1 Rfe8 13. Bb2 h6 14. Nf4 Ne6 15. Nce2 Ng5 16. Rc1 Be4 17. Nc3 Bxg2 18. Nxg2 Qh3 19. f3 Qh5 20. Rf1 Bxg3 21. hxg3 Nh3+ 22. Kh2 Nf2+ 23. Nh4 Nxd1 24. Rcxd1 g5 25. Kg1 gxh4 26. gxh4 Qxh4 0-1

[Event "Pan American-ch U14"]
[Site "Cali"]
[Date "2015.06.29"]
[Round "2"]
[White "Yepez Ortiz, Dubier"]
[Black "Najera Serrano, Eduardo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1800"]
[PlyCount "107"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Bg4 5. d4 Nf6 6. Be3 a6 7. Be2 Nc6 8. Qd2 0-0-0 9. 0-0-0 e6 10. Ne5 Nxe5 11. dxe5 Qxd2+ 12. Rxd2 Rxd2 13. Kxd2 Bxe2 14. Kxe2 Nd7 15. f4 Bc5 16. Rd1 Bxe3 17. Kxe3 Nb6 18. b3 Rd8 19. Rxd8+ Kxd8 20. Kd4 Kd7 21. a3 Nc8 22. Ne4 h6 23. Ng3 Ne7 24. Nh5 Nf5+ 25. Ke4 g6 26. g4 Ne7 27. Nf6+ Kc6 28. Kd4 Kb6 29. c4 Nc6+ 30. Kc3 Ne7 31. h4 Kc6 32. a4 b5 33. cxb5+ axb5 34. a5 Kb7 35. b4 c6 36. Kd4 Nd5 37. Nxd5 cxd5 38. Kc5 Ka6 39. f5 h5 40. gxh5 gxh5 41. f6 Kb7 42. Kxb5 Ka7 43. a6 d4 44. Kc4 Kxa6 45. Kxd4 Kb5 46. Kc3 Kb6 47. Kc4 Kc6 48. b5+ Kb6 49. Kb4 Kb7 50. Kc5 Kc7 51. b6+ Kd7 52. b7 Kc7 53. b8Q+ Kxb8 54. Kd6 1-0

[Event "Antioquia Region-ch U12 Especial"]
[Site "Medellin"]
[Date "2013.04.14"]
[Round "5.3"]
[White "Arboleda Orozco, Juan M"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1545"]
[BlackElo "1795"]
[PlyCount "87"]
[EventDate "2013.04.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. Be2 Be7 7. 0-0 Nbd7 8. Nbd2 Nf8 9. Ne4 Nxe4 10. dxe4 Ng6 11. Nd4 0-0 12. f4 d5 13. e5 Bc5 14. Kh1 Re8 15. c3 f5 16. Qc2 Bxd4 17. cxd4 c6 18. Bd3 Rf8 19. Bd2 Qb6 20. Bc3 Be6 21. g4 Ne7 22. g5 c5 23. Qf2 c4 24. Be2 a5 25. h4 Bd7 26. h5 g6 27. hxg6 Qxg6 28. Rg1 Kh8 29. Rg2 Kg7 30. Rh2 Rh8 31. Rh6 Qe8 32. e6 Bc6 33. Qe3 Ng6 34. Bh5 Qb8 35. Qh3 b6 36. Re1 Qf8 37. e7 Nxe7 38. Rf6 Qd8 39. Rf7+ Kg8 40. Rexe7 Qf8 41. Qxf5 Re8 42. Rg7+ Qxg7 43. Rxg7+ Kxg7 44. Qf7# 1-0

[Event "Antioquia Region-ch U12 Especial"]
[Site "Medellin"]
[Date "2013.04.14"]
[Round "6.3"]
[White "Yepez Ortiz, Dubier"]
[Black "Jimenez, Joseph"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1795"]
[BlackElo "1601"]
[PlyCount "21"]
[EventDate "2013.04.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Nc3 Ne7 7. Bc4 g6 8. Qf3 d5 9. exd5 cxd5 10. Nxd5 Bb7 11. Nf6# 1-0

[Event "Antioquia Region-ch U12 Especial"]
[Site "Medellin"]
[Date "2013.04.13"]
[Round "3.2"]
[White "Soto, Miguel Angel"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1650"]
[BlackElo "1795"]
[PlyCount "47"]
[EventDate "2013.04.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Ng4 9. Qxg4 Nxd4 10. Qd1 Nxb3 11. axb3 d6 12. h4 h5 13. f3 f5 14. Qd2 Qd7 15. 0-0-0 a5 16. g4 fxg4 17. fxg4 Qxg4 18. Rdg1 Qe6 19. Bh6 Kh7 20. Bxg7 Kxg7 21. Rg5 Qf7 22. Rhg1 Bg4 23. Nd1 Qf4 24. Ne3 1-0

[Event "Antioquia Region-ch U12 Especial"]
[Site "Medellin"]
[Date "2013.04.13"]
[Round "4.3"]
[White "Yepez Ortiz, Dubier"]
[Black "Ospina Castro, Santiago"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1795"]
[BlackElo "1576"]
[PlyCount "153"]
[EventDate "2013.04.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Bf4 Nc6 6. c3 e6 7. Nf3 Bd6 8. Ne5 Bxe5 9. Bxe5 Nxe5 10. dxe5 Nd7 11. Qe2 Nb6 12. Nd2 Bd7 13. 0-0 0-0 14. Qh5 h6 15. Nf3 Na4 16. Rab1 Nc5 17. Bc2 Bb5 18. Rfe1 Bd3 19. Bxd3 Nxd3 20. Re3 Nc5 21. Nd4 a6 22. Nb3 Nxb3 23. axb3 Qb6 24. Rg3 Kh7 25. Qg4 g6 26. c4 dxc4 27. bxc4 Qc5 28. Re3 Rac8 29. b3 b5 30. Rc1 bxc4 31. bxc4 Rc6 32. h3 Rfc8 33. Qe2 Qb4 34. Rec3 a5 35. Qa2 a4 36. R3c2 Qb3 37. Qxb3 axb3 38. Rb2 Rxc4 39. Rxc4 Rxc4 40. Rxb3 Re4 41. Rb5 Rd4 42. Kf1 Rd5 43. Rxd5 exd5 44. Ke2 Kg7 45. Ke3 f6 46. Kd4 fxe5+ 47. Kxe5 Kf7 48. Kxd5 Kf6 49. Ke4 g5 50. g4 Ke6 51. f3 Kf6 52. Kd5 Ke7 53. Ke5 Kf7 54. Kf5 Kg7 55. f4 gxf4 56. Kxf4 Kf6 57. h4 Kg6 58. Ke5 Kg7 59. Kf5 Kf7 60. h5 Kg7 61. Ke6 Kg8 62. Kf6 Kh7 63. Kf7 Kh8 64. Kg6 Kg8 65. Kxh6 Kh8 66. Kg6 Kg8 67. h6 Kh8 68. Kh5 Kh7 69. g5 Kg8 70. g6 Kh8 71. Kg5 Kg8 72. Kf6 Kh8 73. g7+ Kh7 74. Kf7 Kxh6 75. g8Q Kh5 76. Qg3 Kh6 77. Qg6# 1-0

[Event "Antioquia Region-ch U12 Especial"]
[Site "Medellin"]
[Date "2013.04.12"]
[Round "1.2"]
[White "Garces Jaramillo, David"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1357"]
[BlackElo "1795"]
[PlyCount "8"]
[EventDate "2013.04.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 0-1

[Event "Antioquia Region-ch U12 Especial"]
[Site "Medellin"]
[Date "2013.04.12"]
[Round "2.2"]
[White "Yepez Ortiz, Dubier"]
[Black "Ospina Escobar, Juan Pablo"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1795"]
[BlackElo "1407"]
[PlyCount "49"]
[EventDate "2013.04.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. Nc3 c6 7. Be2 Be7 8. 0-0 0-0 9. Bf4 Be6 10. d4 d5 11. Re1 Bd6 12. Qd2 Qc7 13. Bxd6 Qxd6 14. Ne5 Nbd7 15. Bd3 Ng4 16. Nxg4 Bxg4 17. h3 Be6 18. Re2 Rfe8 19. Rae1 Nf6 20. Nd1 Re7 21. Ne3 Nh5 22. Nf5 Qd7 23. Nxe7+ Qxe7 24. Bf5 Qd7 25. Rxe6 1-0

[Event "East Region-ch U10"]
[Site "Medellin"]
[Date "2012.04.08"]
[Round "6.2"]
[White "Jimenez, Joseph"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1365"]
[BlackElo "1795"]
[PlyCount "65"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h4 e6 6. Nf3 h6 7. 0-0 Bd6 8. Re1 0-0 9. Ne5 Nc6 10. c3 Bd7 11. Bf4 Qc7 12. Na3 a6 13. Nc2 b5 14. Rc1 Na5 15. Ne3 Nc4 16. b3 Nb6 17. g3 Rfc8 18. a4 a5 19. Nxd7 Nbxd7 20. Bxd6 Qxd6 21. Nc2 bxa4 22. bxa4 Rxc3 23. Qd2 Rac8 24. Ne3 Rxc1 25. Rxc1 Rxc1+ 26. Qxc1 Nb6 27. Bb5 Nfd7 28. Kg2 Nf6 29. Qc2 Qb4 30. Kh2 Qxd4 31. Bd3 Qxa4 32. Qc7 Nfd7 33. Ng4 0-1

[Event "East Region-ch U10"]
[Site "Medellin"]
[Date "2012.04.07"]
[Round "4.1"]
[White "Arboleda Orozco, Juan M"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1304"]
[BlackElo "1795"]
[PlyCount "29"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 e6 6. Nf3 Bd6 7. Bg5 h6 8. Bh4 Nc6 9. c3 b6 10. 0-0 0-0 11. Re1 Be7 12. Bg3 Nh5 13. Bh2 Bd6 14. Ne5 Bb7 15. Qxh5 1-0

[Event "East Region-ch U10"]
[Site "Medellin"]
[Date "2012.04.07"]
[Round "5.2"]
[White "Yepez Ortiz, Dubier"]
[Black "Soto, Miguel Angel"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1795"]
[BlackElo "1627"]
[PlyCount "46"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c3 d5 2. Nf3 Nf6 3. g3 Nc6 4. Bg2 e5 5. d3 Bd6 6. 0-0 h5 7. h4 Ng4 8. Nbd2 Be6 9. e4 Qd7 10. Ng5 d4 11. cxd4 Nxd4 12. Ndf3 Bc5 13. b4 Nxf3+ 14. Bxf3 Bd4 15. Nxe6 Qxe6 16. Rb1 Qxa2 17. Bb2 Bxb2 18. Qc2 Nf6 19. Rxb2 Qa3 20. Rb3 Qa4 21. Rc3 Qxc2 22. Rxc2 c6 23. Rfc1 0-0 0-1

[Event "East Region-ch U10"]
[Site "Medellin"]
[Date "2012.04.06"]
[Round "3.1"]
[White "Yepez Ortiz, Dubier"]
[Black "Ospina Castro, Santiago"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1795"]
[BlackElo "1570"]
[PlyCount "81"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. Nf3 Nc6 5. 0-0 Bd6 6. c3 0-0 7. b4 a6 8. Nbd2 Be6 9. Nb3 e4 10. dxe4 dxe4 11. Ng5 Be5 12. Bb2 Bf5 13. Nc5 b6 14. Ncxe4 Nxe4 15. Nxe4 Nxb4 16. cxb4 Bxb2 17. Rb1 Bxe4 18. Bxe4 Qxd1 19. Rfxd1 Rae8 20. Bxh7+ Kxh7 21. Rxb2 Re7 22. Rc2 Rfe8 23. e3 Rc8 24. Rcd2 Re4 25. Rd4 Re7 26. Rd7 Rxd7 27. Rxd7 c5 28. bxc5 bxc5 29. Rxf7 Rd8 30. Rc7 Rd1+ 31. Kg2 Ra1 32. a4 Rxa4 33. Rxc5 Ra1 34. Rc6 a5 35. Ra6 a4 36. Kf3 a3 37. e4 a2 38. h4 Kg8 39. Kf4 Kf7 40. Kg5 Re1 41. Rxa2 1-0

[Event "East Region-ch U10"]
[Site "Medellin"]
[Date "2012.04.05"]
[Round "1.1"]
[White "Yepez Ortiz, Dubier"]
[Black "Arbelaez Velasquez, Jeronimo"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1795"]
[BlackElo "1390"]
[PlyCount "64"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. Nf3 Nc6 5. 0-0 Bc5 6. c4 d4 7. Nbd2 0-0 8. Ng5 Bf5 9. a3 Bd6 10. b4 h6 11. Nge4 Bxe4 12. Nxe4 Rb8 13. Nxf6+ Qxf6 14. c5 Be7 15. Rb1 b6 16. b5 Na5 17. c6 Qe6 18. a4 Rfd8 19. Bd2 Bc5 20. Qc2 Qd6 21. Rfc1 Ba3 22. Rd1 Bc5 23. Qa2 Qe6 24. Qxe6 fxe6 25. Be4 Rf8 26. Bb4 Bxb4 27. Rxb4 Rf7 28. Rf1 Rbf8 29. f4 g5 30. f5 exf5 31. Bd5 Kh7 32. Bxf7 Rxf7 1-0

[Event "Antioquia Region-ch U20"]
[Site "Antioquia"]
[Date "2012.??.??"]
[Round "2.6"]
[White "Nino, Juan Camilo"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2059"]
[BlackElo "1795"]
[PlyCount "45"]
[EventDate "2012.01.19"]
[EventType "tourn"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bd3 Nc6 8. Bf4 Be6 9. Qd2 Qd7 10. 0-0 0-0 11. Rfe1 a6 12. Rad1 Rad8 13. h3 Rfe8 14. b3 Bf6 15. Ng5 Bf5 16. Bc4 Bg6 17. Bd5 h6 18. Ne4 Be7 19. Qd3 b6 20. Qxa6 Ra8 21. Qb5 Ne5 22. Qxd7 Nxd7 23. Bxa8 1-0

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.07"]
[Round "7"]
[White "Lont, Emanuel"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "102"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 0-0 5. Bd2 d6 6. Be2 h6 7. 0-0 Be6 8. a3 Ba5 9. d4 exd4 10. Nxd4 Bxc3 11. Nxe6 fxe6 12. Bxc3 Nxe4 13. Bf3 Nxc3 14. bxc3 Nc6 15. Rb1 Rb8 16. c4 Na5 17. Qd3 c6 18. Bg4 e5 19. Be6+ Kh8 20. Qg6 Rf6 21. Qg4 Qe7 22. Bf5 Nxc4 23. Qxc4 Rxf5 24. Qe4 Rf4 25. Qe3 Ra4 26. Rb4 Rxb4 27. axb4 b6 28. c4 d5 29. f4 dxc4 30. Qxe5 Qxe5 31. fxe5 Re8 32. Rc1 b5 33. Rd1 Rxe5 34. Rd8+ Kh7 35. Rc8 Re6 36. Rd8 c3 37. Rd1 Re4 38. Rc1 Rxb4 39. Rxc3 Rc4 40. Ra3 b4 41. Rxa7 Rc2 42. Rb7 c5 43. Rb5 Kg6 44. Rb6+ Kf5 45. h3 Ke4 46. Re6+ Kd4 47. Rd6+ Kc4 48. g4 b3 49. Rd1 b2 50. Rb1 Rc1+ 51. Kf2 Rxb1 0-1

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.06"]
[Round "6"]
[White "Lopez, Alvaro Diego"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "61"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e4 Nc6 4. g3 Bb4 5. Nge2 d6 6. h3 Nd4 7. Bg2 Be6 8. Nxd4 exd4 9. Qa4+ Qd7 10. Qxb4 dxc3 11. Qxc3 Qc6 12. d3 Qa6 13. 0-0 h6 14. f4 Rd8 15. b3 0-0 16. Bb2 c6 17. g4 b5 18. f5 Bc8 19. Bf3 bxc4 20. bxc4 Bb7 21. h4 d5 22. g5 hxg5 23. hxg5 Ne8 24. f6 g6 25. Ba3 Nd6 26. Bxd6 Rxd6 27. Qe5 Qb6+ 28. Kh1 Re6 29. Qh2 Rxf6 30. gxf6 c5 31. Bg2 1-0

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.06"]
[Round "5"]
[White "Yepez Ortiz, Dubier"]
[Black "Romero, Daniela"]
[Result "1/2-1/2"]
[ECO "A31"]
[BlackElo "1857"]
[PlyCount "86"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Nc6 4. Nc3 Nf6 5. d4 cxd4 6. Nxd4 e5 7. Nf3 Bg4 8. Be2 Be7 9. h3 Bh5 10. Nh2 Bxe2 11. Qxe2 Nd4 12. Qd3 Qb6 13. b3 Qc6 14. Be3 Ne6 15. Nf3 0-0 16. 0-0 Rfd8 17. Rfd1 Nh5 18. Rd2 Nhf4 19. Qc2 a6 20. Rad1 b5 21. cxb5 axb5 22. Nd5 Qxc2 23. Nxe7+ Kf8 24. Rxc2 Kxe7 25. g3 Nh5 26. Bb6 Rdc8 27. Rcd2 Rc6 28. Be3 h6 29. Ra1 Nf6 30. a4 bxa4 31. bxa4 Nxe4 32. Rb2 N4c5 33. a5 f6 34. Nh4 Kd7 35. Nf5 Rca6 36. Bxc5 dxc5 37. Rb7+ Kc8 38. Rf7 R6a7 39. Nd6+ Kd8 40. Nb7+ Ke8 41. Nd6+ Kd8 42. Nb7+ Kc8 43. Nd6+ Kd8 1/2-1/2

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.05"]
[Round "4"]
[White "Aristizabal Lopez, Jorge Alberto"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1878"]
[PlyCount "130"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. d3 d5 4. Bg5 dxe4 5. Nxe4 Be7 6. Qf3 Nxe4 7. Bxe7 Qxe7 8. Qxe4 f5 9. Qa4+ Qd7 10. Qxd7+ Bxd7 11. 0-0-0 0-0 12. Re1 Nc6 13. c3 g6 14. h4 h6 15. Nf3 Rfe8 16. Nd2 Be6 17. Kc2 Bf7 18. Be2 Rad8 19. Reg1 a5 20. g4 fxg4 21. Rxg4 Kh7 22. Ne4 Re7 23. Rhg1 Re6 24. R4g3 b6 25. Bg4 Re7 26. Nf6+ Kg7 27. Ne4 Kh7 28. b3 Bd5 29. Nf6+ Kg7 30. Nxd5 Rxd5 31. Bf5 Rf7 32. Rxg6+ Kf8 33. Be4 Ne7 34. Bxd5 Rxf2+ 35. Kb1 Nxd5 36. R1g2 Nxc3+ 37. Ka1 Rxg2 38. Rxg2 Nd5 39. Rg6 h5 40. Rg5 Nf4 41. Rxe5 Nxd3 42. Rxh5 Kg7 43. Rd5 Nc5 44. Rxc5 bxc5 45. Kb2 Kh6 46. Kc3 Kh5 47. Kc4 Kxh4 48. Kxc5 Kg3 49. Kb5 Kf4 50. Kxa5 Ke5 51. Kb5 Kd5 52. a4 Kd6 53. a5 Kd7 54. a6 Kc8 55. Kc6 Kb8 56. b4 Ka7 57. b5 Kb8 58. a7+ Kxa7 59. Kxc7 Ka8 60. Kb6 Kb8 61. Ka6 Kc7 62. b6+ Kb8 63. b7 Kc7 64. Ka7 Kc6 65. b8Q Kd5 1-0

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.03"]
[Round "1"]
[White "Yepez Ortiz, Dubier"]
[Black "Abril Guiza, Mauricio"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2021"]
[PlyCount "68"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c4 e5 4. d3 Be7 5. Nc3 d6 6. Be2 Bg4 7. h3 Be6 8. Be3 Nf6 9. a3 Nd4 10. b4 b6 11. bxc5 bxc5 12. Rb1 0-0 13. a4 Qd7 14. Nb5 Rab8 15. Bxd4 cxd4 16. c5 a6 17. cxd6 Bxd6 18. Nxd6 Qxd6 19. 0-0 Rxb1 20. Qxb1 Rb8 21. Qa1 Nd7 22. Rb1 Nc5 23. Rxb8+ Qxb8 24. Qc1 Qd6 25. Ng5 Bd7 26. Qc4 Be8 27. a5 h6 28. Nf3 Bb5 29. Qd5 Qxd5 30. exd5 f6 31. Ne1 e4 32. Nc2 exd3 33. Bxd3 Bxd3 34. Nxd4 Bc4 0-1

[Event "Pan American-ch U10"]
[Site "Cali"]
[Date "2011.07.08"]
[Round "9"]
[White "Gomez Perez, Jaidor S"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "1879"]
[PlyCount "55"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Nd7 10. h4 Nb6 11. Bb3 Na5 12. h5 Nbc4 13. Qc1 Nxe3 14. Qxe3 Nxb3 15. Nxb3 Bd7 16. Rb1 b6 17. hxg6 fxg6 18. Qg5 e6 19. Qd2 Qe7 20. Rd1 Be5 21. Nd4 Rad8 22. Nce2 d5 23. f4 Qf7 24. exd5 exd5 25. g3 g5 26. Rg1 Kh8 27. Qe3 Bc7 28. Qc3 1-0

[Event "Pan American-ch U10"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "7"]
[White "Yepez Ortiz, Dubier"]
[Black "Camacho Gonzalez, Diego"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "49"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. Ng5 d5 6. exd5 b5 7. Bxb5 Qxd5 8. Bxc6+ Qxc6 9. 0-0 Bb7 10. f3 Rd8 11. Bf4 Ng4 12. Qe2+ Ne3 13. c3 Ba6 14. c4 Bc5 15. Re1 Bxc4 16. Qxc4 0-0 17. Qd3 g6 18. Rc1 Nd5 19. Bd2 Nc3 20. Kh1 Rfe8 21. bxc3 dxc3 22. Qxc3 Rd5 23. Ne4 Rde5 24. Nxc5 Qb5 25. Na3 1-0

[Event "Pan American-ch U10"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "8"]
[White "Yepez Ortiz, Dubier"]
[Black "Ribero, Guillermo Andres"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "74"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c4 e6 4. Nc3 Nge7 5. d4 cxd4 6. Nxd4 d5 7. Be3 g6 8. Bg5 dxe4 9. Bxe7 Bxe7 10. Nxc6 bxc6 11. Qxd8+ Bxd8 12. Nxe4 Ba5+ 13. Kd1 0-0 14. Be2 Rd8+ 15. Kc2 f5 16. Nc3 Bb7 17. Rhd1 c5 18. f3 e5 19. Na4 Bb6 20. Rxd8+ Rxd8 21. Rd1 Rd4 22. b4 cxb4 23. Nxb6 axb6 24. Rxd4 exd4 25. Kb3 Kf7 26. Kxb4 Ba6 27. a4 Ke6 28. a5 bxa5+ 29. Kxa5 Bb7 30. Kb6 Ba8 31. c5 Kd7 32. Bb5+ Kd8 33. c6 Bxc6 34. Kxc6 Ke7 35. Kd5 Kf6 36. Kxd4 h6 37. f4 h5 1-0

[Event "Pan American-ch U10"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "5"]
[White "Corvera Choi, Malik"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "B72"]
[PlyCount "100"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Ng4 7. Qd2 Nxe3 8. Qxe3 Qb6 9. Qd2 Bg7 10. Rd1 Nc6 11. Bb5 0-0 12. Bxc6 bxc6 13. 0-0 c5 14. Nf3 Bg4 15. Qe2 Qxb2 16. Rd3 Bxc3 17. Qe3 Bd4 18. Qh6 Bg7 19. Qh4 Bxf3 20. Rxf3 Qxc2 21. Rh3 h5 22. g4 Qxe4 23. gxh5 Qxh4 24. Rxh4 gxh5 25. Rxh5 Bf6 26. Kh1 Bg7 27. Rg1 f6 28. Rh3 Kf7 29. Re3 Rg8 30. Rge1 Rae8 31. Ra3 Ra8 32. Rae3 e5 33. Rd3 Bf8 34. Rb1 Be7 35. Rdb3 d5 36. Rb7 d4 37. Rc1 Ke6 38. Rb2 Rab8 39. Re2 Kd5 40. h3 c4 41. Rec2 c3 42. Rd1 Rb2 43. Rxb2 cxb2 44. Rb1 Ba3 45. h4 Rh8 46. Kg2 Kc4 47. Kg3 Kc3 48. Re1 Kd2 49. Rb1 Kc2 50. Rh1 b1Q 0-1

[Event "Pan American-ch U10"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "6"]
[White "Estupinan Palomino, Gorky"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "17"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Bc5 3. g3 d6 4. Bg2 Nf6 5. h3 Be6 6. Nc3 Nc6 7. Ne2 Qd7 8. 0-0 h5 9. Kh2 0-1

[Event "Pan American-ch U10"]
[Site "Cali"]
[Date "2011.07.05"]
[Round "4"]
[White "Yepez Ortiz, Dubier"]
[Black "Carreno Volcan, Elias Efrain"]
[Result "0-1"]
[ECO "C62"]
[PlyCount "72"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. dxe5 Nxe5 7. Bxd7+ Qxd7 8. Nxe5 dxe5 9. Qxd7+ Nxd7 10. a3 0-0-0 11. Be3 Bc5 12. Bxc5 Nxc5 13. 0-0 Rd7 14. Rad1 Rhd8 15. f3 f6 16. Rxd7 Rxd7 17. Rd1 Rxd1+ 18. Nxd1 Kd7 19. Kf2 Kc6 20. Ke2 Ne6 21. Ne3 Nd4+ 22. Kd3 Kd6 23. c3 Ne6 24. Kc4 g6 25. Nd5 f5 26. exf5 gxf5 27. Nf6 h6 28. g4 f4 29. Ng8 Ng5 30. Nxh6 Nxf3 31. Nf5+ Ke6 32. h3 e4 33. h4 b5+ 34. Kb3 e3 35. Kc2 e2 36. Nd4+ Nxd4+ 0-1

[Event "Pan American-ch U10"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "3"]
[White "Polanco, Brayan Arley"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "C22"]
[PlyCount "43"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Bb4+ 5. Nc3 Nf6 6. Bd2 0-0 7. 0-0-0 Re8 8. Qg3 Kh8 9. f4 Nxe4 10. Nxe4 Rxe4 11. Bd3 Bxd2+ 12. Rxd2 Rb4 13. Nf3 Qf6 14. c3 Rxf4 15. Re2 g6 16. Qh3 Kg7 17. Qg3 d6 18. Re8 b6 19. h4 h5 20. Rhe1 Rg4 21. Qf2 Rxh4 22. Qxh4 1-0

[Event "Pan American-ch U10"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "2"]
[White "Yepez Ortiz, Dubier"]
[Black "Bonilla Buitrago, Santiago"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "86"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. Nxe5 Nxe5 6. d4 Bxd4 7. Qxd4 Nc6 8. Bxc6 bxc6 9. 0-0 d6 10. Bg5 c5 11. Qe3 Qe7 12. f4 h6 13. Bh4 Ng4 14. Bxe7 Nxe3 15. Rf3 Nxc2 16. Rc1 Nd4 17. Rg3 Kxe7 18. Rxg7 Bb7 19. a3 Bxe4 20. Re1 Kf6 21. Rg3 Bc6 22. Kf2 Rhg8 23. Rxg8 Rxg8 24. g3 Re8 25. Rxe8 Bxe8 26. Nd5+ Ke6 27. Nxc7+ Kd7 28. Nd5 Kc6 29. Nf6 Bd7 30. Ng8 Nf5 31. g4 Nd4 32. Nxh6 d5 33. Nxf7 Bxg4 34. Ne5+ Kd6 35. Nxg4 Nf5 36. Ne3 Nxe3 37. Kxe3 d4+ 38. Ke4 Ke6 39. b4 cxb4 40. axb4 d3 41. Kxd3 Kf5 42. Ke3 Kf6 43. Ke4 Ke6 1-0

[Event "Pan American-ch U10"]
[Site "Cali"]
[Date "2011.07.03"]
[Round "1"]
[White "Acosta Cubides, Jorian Jared"]
[Black "Yepez Ortiz, Dubier"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1990"]
[PlyCount "37"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. Re1 Bf5 9. Nbd2 Re8 10. Nf1 Nd7 11. Ne3 Be6 12. Nf1 Bf5 13. Ng3 Bg6 14. Be3 Nb6 15. Nd2 h6 16. Qf3 Nxd2 17. Bxd2 Bxd3 18. Rxe8+ Qxe8 19. Qxd3 1/2-1/2

[Event "COL-ch U10"]
[Site "Bogota"]
[Date "2011.06.04"]
[Round "9.4"]
[White "Yepez Ortiz, Dubier"]
[Black "Corredor Castellanos, Camilo"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "90"]
[EventDate "2011.05.31"]
[EventType "tourn"]
[EventRounds "9"]
[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. d4 exd4 4. Bc4 Bb4+ 5. c3 Be7 6. Nxd4 Ne5 7. Bb3 d6 8. 0-0 Bg4 9. f3 Bd7 10. Be3 c5 11. Nf5 Bb5 12. Ba4 Bc6 13. Bxc6+ bxc6 14. Nxg7+ Kf8 15. Nf5 Rb8 16. b3 h5 17. Nxe7 Nxe7 18. Bf4 N7g6 19. Bxe5 Nxe5 20. c4 Rg8 21. Qd2 Qf6 22. Qe3 h4 23. Nc3 h3 24. g3 Qh4 25. Kh1 Qf6 26. Rad1 Ke7 27. Qf4 Qxf4 28. gxf4 Ng6 29. f5 Nf4 30. Rf2 f6 31. Ne2 Ng2 32. f4 a5 33. Rf3 a4 34. Rxh3 axb3 35. axb3 Ra8 36. Rg1 Ra2 37. Rxg2 Rxg2 38. Kxg2 Rxe2+ 39. Kf3 Rb2 40. Kg4 Rg2+ 41. Kh5 Kf7 42. Kh6 Re2 43. Kh7 Rg2 44. Kh8 Rg4 45. Rh7+ Kf8 1/2-1/2

[Event "COL-ch U10"]
[Site "Bogota"]
[Date "2011.06.03"]
[Round "8.2"]
[White "Acosta Cubides, Jorian Jared"]
[Black "Yepez Ortiz, Dubier"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2012"]
[PlyCount "66"]
[EventDate "2011.05.31"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. c3 0-0 8. 0-0 c6 9. Re1 Re8 10. Ng5 Nxg5 11. Rxe8+ Qxe8 12. Bxg5 f6 13. Be3 Nd7 14. Nd2 Nb6 15. Qf3 Bd7 16. Bf4 Bxf4 17. Qxf4 Qf7 18. Nf3 Re8 19. Bxh7+ Kf8 20. Qd6+ Qe7 21. Qxe7+ Rxe7 22. Bd3 Na4 23. Rb1 Bg4 24. Nh4 Kg8 25. h3 Bd7 26. Nf3 Kf8 27. Bc2 Nb6 28. Re1 Rxe1+ 29. Nxe1 Nc4 30. b3 Na3 31. Bd3 b6 32. Kf1 c5 33. Nc2 Bb5 1/2-1/2

[Event "COL-ch U10"]
[Site "Bogota"]
[Date "2011.06.03"]
[Round "7.5"]
[White "Yepez Ortiz, Dubier"]
[Black "Gomez Perez, Jaidor S"]
[Result "1-0"]
[ECO "B30"]
[BlackElo "1900"]
[PlyCount "81"]
[EventDate "2011.05.31"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Nc6 4. Nc3 Bg4 5. Be2 Nf6 6. d4 Bxf3 7. Bxf3 Nxd4 8. Be3 Nc6 9. Qd2 e6 10. 0-0 Be7 11. Rfd1 Ne5 12. Be2 Qd7 13. f3 Rd8 14. Bf4 Ng6 15. Be3 0-0 16. b3 Qc6 17. Qc2 d5 18. cxd5 exd5 19. exd5 Nxd5 20. Nxd5 Rxd5 21. Rxd5 Qxd5 22. Rd1 Qe5 23. Bf2 Bd6 24. Bg3 Qe3+ 25. Bf2 Bxh2+ 26. Kf1 Qe5 27. Qxc5 Qxc5 28. Bxc5 Ra8 29. Rd7 b6 30. Bf2 Bf4 31. Bc4 Ne5 32. Bd5 Nxd7 33. Bxa8 Kf8 34. Be1 Nc5 35. Ke2 Ke7 36. g3 Bd6 37. Ke3 f5 38. f4 Kf6 39. Bc3+ Kf7 40. Bd4 Kg6 41. Be5 1-0

[Event "COL-ch U10"]
[Site "Bogota"]
[Date "2011.06.02"]
[Round "5.5"]
[White "Bula Gaona, David"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "78"]
[EventDate "2011.05.31"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Ng5 0-0 6. d3 d6 7. Be3 Bb6 8. Nc3 h6 9. Bxf7+ Rxf7 10. Nxf7 Kxf7 11. Nd5 Nxd5 12. exd5 Ne7 13. Bxb6 axb6 14. Qf3+ Kg8 15. Rae1 Qf8 16. Qxf8+ Kxf8 17. Re3 Nxd5 18. Rf3+ Kg8 19. h3 Rxa2 20. Re1 Rxb2 21. c4 Nb4 22. Re4 Bd7 23. d4 Bc6 24. d5 Bd7 25. Ra3 Ra2 26. Rb3 Na6 27. Ree3 Rc2 28. Rec3 Rxc3 29. Rxc3 b5 30. f3 b4 31. Rc1 b3 32. Rb1 Nc5 33. g4 Ba4 34. h4 Nd3 35. Ra1 b2 36. Rxa4 b1Q+ 37. Kh2 Qc2+ 38. Kg3 Qf2+ 39. Kh3 Nf4# 0-1

[Event "COL-ch U10"]
[Site "Bogota"]
[Date "2011.06.02"]
[Round "6.1"]
[White "Padilla Ordonez, Daniel Eduardo"]
[Black "Yepez Ortiz, Dubier"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "1892"]
[PlyCount "92"]
[EventDate "2011.05.31"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 Bd7 8. h3 Nc6 9. Be3 Rc8 10. Qd2 Ne5 11. b3 Qa5 12. Nce2 Qxd2+ 13. Bxd2 Nc6 14. Rd1 Nxe4 15. Bxe4 Nxd4 16. Nxd4 Bxd4 17. c4 0-0 18. Bxb7 Bc6 19. Bxc6 Rxc6 20. Bh6 Bg7 21. Bxg7 Kxg7 22. 0-0 Ra6 23. Rd2 Rc8 24. Re1 Kf8 25. Re3 Rc5 26. a4 h5 27. Rde2 Rc7 28. g4 hxg4 29. hxg4 e6 30. Rf3 Kg7 31. Rd2 Rb7 32. g5 Rab6 33. Rdd3 Kf8 34. Rde3 Ke8 35. Kf1 Ra6 36. Ke2 Ra5 37. Rg3 Kd7 38. Kd2 Kc6 39. Rd3 d5 40. Rg4 dxc4 41. Rc3 Rc5 42. Rgxc4 Rxc4 43. Rxc4+ Kd5 44. Rc3 Ke4 45. Rg3 Rd7+ 46. Ke2 Kf4 1/2-1/2

[Event "COL-ch U10"]
[Site "Bogota"]
[Date "2011.06.01"]
[Round "3.4"]
[White "Munoz, Juan David"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1754"]
[PlyCount "41"]
[EventDate "2011.05.31"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 Nxe4 5. Qa4+ Bd7 6. Qxe4 Bc6 7. Qc2 g6 8. Be2 Bg7 9. 0-0 0-0 10. d3 Nd7 11. Re1 Qc7 12. Nbd2 Rfe8 13. Ne4 d5 14. Ng3 e6 15. d4 c4 16. Bf1 b5 17. Ne2 a6 18. Bf4 Qb6 19. Ne5 Nxe5 20. Bxe5 Bxe5 21. dxe5 1-0

[Event "COL-ch U10"]
[Site "Bogota"]
[Date "2011.06.01"]
[Round "4.2"]
[White "Yepez Ortiz, Dubier"]
[Black "Polanco, Brayan Arley"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "39"]
[EventDate "2011.05.31"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Nf6 4. Nc3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. f3 Nc6 8. Be3 0-0 9. Be2 Bd7 10. 0-0 Qb6 11. Kh1 Qxb2 12. Na4 Qb4 13. Bd2 Qa3 14. Nb5 Qxa4 15. Qxa4 Nd4 16. Qd1 Nxb5 17. cxb5 Nh5 18. Rc1 Be6 19. Rc7 Rfe8 20. Rc1 1-0

[Event "COL-ch U10"]
[Site "Bogota"]
[Date "2011.05.31"]
[Round "1.3"]
[White "Ruiz Agudelo, Santiago"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "1826"]
[PlyCount "67"]
[EventDate "2011.05.31"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 a6 7. f3 Bg7 8. Qd2 Nc6 9. 0-0-0 Bd7 10. g4 Rc8 11. h4 Ne5 12. h5 Nc4 13. Bxc4 Rxc4 14. Bh6 0-0 15. Bxg7 Kxg7 16. hxg6 fxg6 17. Qh6+ Kg8 18. Nd5 Rf7 19. Nxf6+ exf6 20. Rh2 Qf8 21. Qxf8+ Kxf8 22. Nb3 Ke7 23. Rhd2 Rc6 24. Na5 Rb6 25. c4 Be6 26. Rc2 Ke8 27. Kb1 Rc7 28. Rdc1 f5 29. exf5 gxf5 30. Re2 Kf7 31. Rh1 Re7 32. Rxh7+ Kf8 33. Rxe7 Kxe7 34. gxf5 1-0

[Event "COL-ch U10"]
[Site "Bogota"]
[Date "2011.05.31"]
[Round "2.3"]
[White "Yepez Ortiz, Dubier"]
[Black "Barliza Hernandez, Alejandro Seg"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "66"]
[EventDate "2011.05.31"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Bd2 Qc7 7. Bd3 Bg4 8. h3 Be6 9. Ng5 Qd7 10. Nxe6 Qxe6+ 11. Qe2 Qd7 12. 0-0 Qxd4 13. Be3 Qd6 14. Ne4 Nxe4 15. Bxe4 Qb4 16. c4 Qd6 17. Rfd1 Qe6 18. Qd3 Qd6 19. Qxd6 exd6 20. Bf4 Kd7 21. c5 d5 22. Bf5+ Kd8 23. b4 Na6 24. a3 b5 25. Rd2 Be7 26. Re1 Bf6 27. Be5 Bxe5 28. Rxe5 g6 29. Bc2 Re8 30. Rxe8+ Kxe8 31. Re2+ Kd7 32. Kf1 Re8 33. Rxe8 Kxe8 0-1

[Event "East Region-ch U10"]
[Site "Medellin"]
[Date "2011.03.??"]
[Round "2.4"]
[White "Atehortua Quintero, Gabriela"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "1371"]
[BlackElo "1341"]
[PlyCount "26"]
[EventDate "2011.03.03"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. d3 Nc6 5. Nf3 Be7 6. Be3 0-0 7. Qd2 b6 8. 0-0-0 Ba6 9. Qe1 Rb8 10. g3 b5 11. Bh3 Bc8 12. Rg1 Bxh3 13. g4 Bxg4 0-1

[Event "East Region-ch U10"]
[Site "Medellin"]
[Date "2011.03.??"]
[Round "4.3"]
[White "Cardenas Escudero, Laura Yuliet"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1404"]
[BlackElo "1341"]
[PlyCount "49"]
[EventDate "2011.03.03"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. h3 d6 7. Bd2 a6 8. a3 Bd7 9. b4 Ba7 10. Qb1 b5 11. Ba2 Nd4 12. Qd1 Nxf3+ 13. Qxf3 Bd4 14. Rb1 Qe7 15. Nd5 Nxd5 16. Bxd5 Rb8 17. c3 Ba7 18. c4 c6 19. Qg3 cxd5 20. Qxg7 Qf8 21. Qxf8+ Rxf8 22. Bxh6 Rh8 23. Bd2 dxe4 24. cxb5 axb5 25. dxe4 0-1

[Event "East Region-ch U10"]
[Site "Medellin"]
[Date "2011.03.??"]
[Round "3.1"]
[White "Yepez Ortiz, Dubier"]
[Black "Ferreira, Mayra Alejandra"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1341"]
[BlackElo "1536"]
[PlyCount "32"]
[EventDate "2011.03.03"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 Nc6 6. Nf3 Qh5 7. a3 Bg4 8. Be2 0-0-0 9. 0-0 Nxd4 10. Nxd4 Rxd4 11. Bxg4+ Rxg4 12. h3 Qxh3 13. g3 e6 14. Qf3 Bc5 15. Qh1 Rxg3+ 16. Qg2 Qxg2# 0-1

[Event "East Region-ch U10"]
[Site "Medellin"]
[Date "2011.03.??"]
[Round "5.3"]
[White "Yepez Ortiz, Dubier"]
[Black "Moreno Bolanos, Nicolas"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1341"]
[PlyCount "79"]
[EventDate "2011.03.03"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. dxe5 dxe5 5. Qxd8+ Nxd8 6. Nxe5 f6 7. Nf3 Nc6 8. Nc3 Bg4 9. h3 Be6 10. Bb5 Nge7 11. 0-0 0-0-0 12. Be3 a6 13. Ba4 Nb4 14. a3 Nbc6 15. Rfd1 Rxd1+ 16. Rxd1 g5 17. b4 b5 18. Bb3 Bxb3 19. cxb3 f5 20. exf5 Nxf5 21. Bxg5 Bg7 22. Ne4 h6 23. Bf4 Rd8 24. Rc1 Nfe7 25. a4 bxa4 26. bxa4 Bd4 27. b5 Bb2 28. Rc2 Rd1+ 29. Kh2 Nd4 30. Nxd4 Bxd4 31. Rxc7+ Kd8 32. bxa6 Bb6 33. a7 Bxa7 34. Rxa7 Nd5 35. Bxh6 Re1 36. Bg5+ Ke8 37. Nd6+ Kf8 38. Bh6+ Kg8 39. Rg7+ Kh8 40. Nf7# 1-0

[Event "East Region-ch U10"]
[Site "Medellin"]
[Date "2011.03.??"]
[Round "1.4"]
[White "Yepez Ortiz, Dubier"]
[Black "Ospina Castro, Santiago"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1341"]
[BlackElo "1442"]
[PlyCount "80"]
[EventDate "2011.03.03"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. Re1 Bf5 9. c4 c6 10. b3 Bb4 11. Re2 Bc3 12. Bb2 Bxb2 13. Rxb2 Nd6 14. Bxf5 Nxf5 15. Re2 Nd7 16. Nc3 Nf6 17. Qc2 Ne7 18. Rae1 Ng6 19. h3 Qd7 20. a3 Rae8 21. Na4 b6 22. Nb2 Re7 23. Rxe7 Nxe7 24. Re3 Re8 25. b4 Ng6 26. a4 Rxe3 27. fxe3 Qe6 28. Qd3 Qe4 29. Qxe4 Nxe4 30. Kf1 Kf8 31. Ke2 dxc4 32. Nxc4 Nc3+ 33. Kd2 Nxa4 34. Kc2 b5 35. Na5 Ne7 36. Ne5 Nd5 37. Nexc6 Nxe3+ 38. Kb3 a6 39. g4 Nd5 40. Nb8 Nc7 1-0

[Event "Antioquia Region-ch U10"]
[Site "Medellin"]
[Date "2010.09.??"]
[Round "4.7"]
[White "Marin Cuadros, Sebastian"]
[Black "Yepez Ortiz, Dubier"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1334"]
[PlyCount "62"]
[EventDate "2010.09.03"]
[EventType "tourn"]
[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. Bc4 Be7 4. Nc3 Nf6 5. Ng5 0-0 6. d3 h6 7. Nh3 d6 8. Qf3 Nd4 9. Qd1 Bxh3 10. gxh3 Qd7 11. Rg1 Qxh3 12. Rg3 Qxh2 13. Be3 Nxc2+ 14. Qxc2 Qh1+ 15. Ke2 Qxa1 16. Qd2 Qh1 17. Bxh6 g6 18. Bxf7+ Kxf7 19. Bxf8 Bxf8 20. Rf3 Bh6 21. Qc2 Kg7 22. Qb3 b6 23. Nd5 Nxd5 24. Qxd5 Rf8 25. Rg3 Qh2 26. Rf3 Qh5 27. d4 Qxf3+ 28. Ke1 Qxf2+ 29. Kd1 Qg2 30. Qc4 Rf1+ 31. Qxf1 Qd2# 0-1

[Event "Antioquia Region-ch U10"]
[Site "Medellin"]
[Date "2010.09.??"]
[Round "3.6"]
[White "Ospina Escobar, Juan Pablo"]
[Black "Yepez Ortiz, Dubier"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1339"]
[PlyCount "51"]
[EventDate "2010.09.03"]
[EventType "tourn"]
[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. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Qf3 Qxg5 7. Bxd5 f6 8. Bxc6+ bxc6 9. Qxc6+ Kd8 10. Qxa8 Qf5 11. Qd5+ Bd7 12. 0-0 Qxc2 13. Nc3 Qg6 14. Re1 Ke8 15. Re3 Be7 16. Rd3 Qf5 17. Nb5 Bd8 18. b3 a6 19. Na7 Ke7 20. Ba3+ Ke8 21. Rc1 Qg4 22. h3 Qf5 23. Rf3 Qg6 24. Rcc3 Qb1+ 25. Kh2 Qxa2 26. Bb4 1-0

