[Event "Medellin Castro Memorial op-A 31st"]
[Site "Medellin"]
[Date "2024.08.11"]
[Round "9"]
[White "Tobon Velasquez, Sebastian"]
[Black "Ruiz Jaraba, Valentina Sofia"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1912"]
[BlackElo "1971"]
[PlyCount "82"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. Nc3 e5 5. d3 g6 6. Be2 Bg7 7. 0-0 Nge7 8. Be3 d6 9. Qd2 0-0 10. Ne1 f5 11. Bg5 f4 12. Nd5 h6 13. Bxe7 Nxe7 14. Nxe7+ Qxe7 15. b4 Bd7 16. a4 a5 17. bxa5 Qd8 18. Nc2 Rxa5 19. Rfb1 b6 20. Ne1 Qc7 21. Qb2 Rb8 22. Bd1 Bf6 23. Ra3 Bd8 24. Rba1 Rba8 25. R1a2 Kh7 26. Bb3 Qa7 27. Nc2 Bc6 28. f3 Bh4 29. Qc1 Qe7 30. Qd1 Qd7 31. Na1 b5 32. cxb5 Bxb5 33. Qc2 Qa7 34. Kf1 Rc8 35. Qc3 c4 36. dxc4 Bxc4+ 37. Bxc4 Rac5 38. Qd2 Rxc4 39. Nb3 Qa6 40. Kg1 Qb6+ 41. Kf1 Rc3 0-1

[Event "Medellin Castro Memorial op-A 31st"]
[Site "Medellin"]
[Date "2024.08.10"]
[Round "8"]
[White "Toro Castaneda, Miguel Angel"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2070"]
[BlackElo "1912"]
[PlyCount "79"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Rb8 7. c3 b5 8. Be3 d6 9. d4 cxd4 10. Nxd4 Nge7 11. Nxc6 Nxc6 12. e5 d5 13. Bc5 Rb7 14. Re1 Ne7 15. a4 0-0 16. b4 a6 17. axb5 axb5 18. Ra8 Re8 19. Na3 Nc6 20. c4 Nxe5 21. cxb5 Qc7 22. f4 Nd7 23. Qxd5 Nxc5 24. Qxc5 Qxc5+ 25. bxc5 Bd4+ 26. Kf1 Rc7 27. b6 Rce7 28. b7 Bxb7 29. Rxe8+ Rxe8 30. Bxb7 Bxc5 31. Nc4 Rb8 32. Bf3 Rb3 33. Be2 h5 34. Rd1 Rc3 35. Ne5 h4 36. Kg2 hxg3 37. hxg3 Re3 38. Bd3 g5 39. Ng4 gxf4 40. gxf4 1-0

[Event "Medellin Castro Memorial op-A 31st"]
[Site "Medellin"]
[Date "2024.08.09"]
[Round "6"]
[White "Tobon Velasquez, Sebastian"]
[Black "Carrillo Parra, Miguel Alfredo"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1912"]
[BlackElo "2209"]
[PlyCount "76"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 d6 7. Be2 g6 8. 0-0 Bg7 9. Be3 0-0 10. f4 Bd7 11. Rc1 Rc8 12. Kh1 Nxd4 13. Bxd4 Bc6 14. Bf3 b5 15. cxb5 axb5 16. a3 Qd7 17. Qd2 e5 18. Be3 Qb7 19. Qd3 Rfe8 20. fxe5 dxe5 21. Rcd1 h6 22. b4 Ra8 23. Bc1 Re7 24. Qe3 Rc8 25. Nd5 Bxd5 26. exd5 e4 27. Be2 Nxd5 28. Qh3 Nc3 29. Rde1 h5 30. Bg5 Re6 31. Bd1 Nxd1 32. Rxd1 Rc3 33. Qh4 e3 34. Rde1 Rc2 35. Rf3 Bc3 36. Bxe3 Rxe3 37. Qd8+ Kg7 38. Ref1 Rxf3 0-1

[Event "Medellin Castro Memorial op-A 31st"]
[Site "Medellin"]
[Date "2024.08.08"]
[Round "3"]
[White "Paredes Lagos, Anthony Javier"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "B62"]
[WhiteElo "2364"]
[BlackElo "1912"]
[PlyCount "67"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd3 Bd7 8. 0-0-0 a6 9. f4 Be7 10. Nxc6 Bxc6 11. Be2 Qa5 12. Bf3 0-0-0 13. Kb1 Kb8 14. Qe2 h6 15. Bh4 Rhe8 16. Be1 Qb6 17. Bf2 Qa5 18. Qe3 Nd7 19. Rd2 b6 20. Rhd1 Bb7 21. Rd4 b5 22. a4 d5 23. exd5 Bc5 24. Qd3 e5 25. fxe5 Nxe5 26. Bg3 Bxd4 27. Qxd4 f6 28. Bh5 Re7 29. b4 Qc7 30. d6 Qc6 31. dxe7 Rxd4 32. Rxd4 Qxc3 33. e8Q+ Ka7 34. Bf2 1-0

[Event "Medellin Castro Memorial op-A 31st"]
[Site "Medellin"]
[Date "2024.08.08"]
[Round "4"]
[White "Tobon Velasquez, Sebastian"]
[Black "Narvaez Ramirez, Faber Alberto"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1912"]
[BlackElo "2057"]
[PlyCount "149"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Bd3 d6 7. c4 Be7 8. 0-0 Bg4 9. Be3 Nbd7 10. Nbd2 0-0 11. Rc1 Nc5 12. Bb1 Qc7 13. Qe2 a5 14. b3 Qc6 15. Bg5 h6 16. Bh4 Ne6 17. Qe3 Rfe8 18. h3 Bh5 19. Rfe1 Nd7 20. Bxe7 Rxe7 21. Nh4 Bg6 22. Nf5 Ree8 23. Nf3 Bxf5 24. exf5 Nec5 25. Rcd1 Nf6 26. Rd2 Rad8 27. Red1 b6 28. Kh2 Qc7 29. g3 b5 30. Rc1 b4 31. Rcd1 Qc6 32. Bc2 Qc7 33. Bb1 Rd7 34. Bc2 Ra8 35. Kg1 Qc6 36. Kh2 Rad8 37. Kg1 Kf8 38. Kh2 Ra8 39. Kg1 a4 40. Kh2 axb3 41. axb3 Ra3 42. g4 Qc7 43. Kg2 Na4 44. Rg1 Qc5 45. Qxc5 Nxc5 46. Rb1 Ke7 47. Rb2 Rda7 48. Re2 Kd7 49. Ne1 Kc6 50. Nd3 Nxd3 51. Bxd3 Nd7 52. Be4+ Kc7 53. Kg3 Nc5 54. Bc2 Ra2 55. Bb1 Ra1 56. Re3 f6 57. h4 Kd7 58. Kg2 Ke7 59. Kg3 Kf7 60. Kg2 Rd7 61. Be4 Kg8 62. Bd5+ Kf8 63. Rg3 Rda7 64. g5 hxg5 65. hxg5 fxg5 66. Rxg5 Nd3 67. Rd2 Nf4+ 68. Kf3 R7a3 69. f6 Rxb3+ 70. Ke4 Re1+ 71. Kf5 g6+ 72. Rxg6 Nxg6 73. Kxg6 Rg1+ 74. Kf5 Ra3 75. f3 1-0

[Event "Medellin Castro Memorial op-A 31st"]
[Site "Medellin"]
[Date "2024.08.07"]
[Round "1"]
[White "Mogollon Tobar, Nicolle Juliet"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2134"]
[BlackElo "1912"]
[PlyCount "56"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 Ba6 12. Kf3 f5 13. exf6 Nxf6 14. c5 Qa5 15. Nd6+ Ke7 16. Bxa6 Qxa6 17. Qd4 Bxc5 18. Nf5+ exf5 19. Qxc5+ Kf7 20. Qxf5 Rhe8 21. Qc2 Re4 22. a4 Rae8 23. Ra3 Qa5 24. g4 Qd5 25. Kg3 Nxg4 26. Rd1 Qe6 27. Qc5 Nf6 28. h3 Re2 0-1

[Event "Medellin Castro Memorial op-A 31st"]
[Site "Medellin"]
[Date "2024.08.07"]
[Round "2"]
[White "Tobon Velasquez, Sebastian"]
[Black "Chirivi Castiblanco, Jenny Astrid"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1912"]
[BlackElo "2114"]
[PlyCount "73"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. 0-0 b5 7. Bb3 0-0 8. a4 Rb8 9. c3 d6 10. axb5 axb5 11. Na3 Ne7 12. Be3 Ng6 13. Nc2 Be6 14. Nb4 Bxb4 15. cxb4 Nf4 16. Qc2 Bg4 17. Bxf4 Bxf3 18. Bg5 Bg4 19. f4 h6 20. fxe5 hxg5 21. exf6 gxf6 22. Qc3 Kg7 23. Rf2 Be6 24. Raf1 Bxb3 25. Rxf6 Kg8 26. Qxb3 d5 27. e5 Rb6 28. d4 Rxf6 29. Rxf6 Qa8 30. Qg3 Qa1+ 31. Rf1 Qxb2 32. Qxg5+ Kh7 33. Qh5+ Kg7 34. Qg4+ Kh7 35. h3 f5 36. exf6 Rf7 37. Rf5 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.31"]
[Round "10"]
[White "Tobon Velasquez, Sebastian"]
[Black "Ayala Delgado, Sergio Alejandro"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "1876"]
[BlackElo "2089"]
[PlyCount "58"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 fxe4 5. Bxc6 dxc6 6. Nxe5 Nf6 7. 0-0 Be7 8. c3 0-0 9. Bg5 Qd5 10. Qb3 a5 11. Nd2 a4 12. Qc4 Bd6 13. Qe2 Bf5 14. Ndc4 Bxe5 15. Nxe5 h6 16. Bf4 Rad8 17. Rfd1 Qe6 18. h3 a3 19. Bg3 e3 20. f3 axb2 21. Qxb2 Nd5 22. c4 e2 23. Re1 Ne3 24. Rxe2 Nxc4 25. Qc3 Nd6 26. a4 Qd5 27. Rb2 Ne8 28. Bf2 Nd6 29. Rb4 Rde8 1/2-1/2

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.30"]
[Round "8"]
[White "Dominguez Rincon, Miller Duvan"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "1996"]
[BlackElo "1876"]
[PlyCount "59"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c5 3. c4 dxc4 4. e3 e6 5. Bxc4 Nf6 6. 0-0 Be7 7. Nc3 0-0 8. Qe2 a6 9. dxc5 Bxc5 10. a4 Nc6 11. e4 e5 12. Rd1 Qa5 13. h3 Nd4 14. Nxd4 Bxd4 15. Bg5 Qb6 16. a5 Qc6 17. Bd5 Qd6 18. Ra3 h6 19. Bh4 Nh7 20. Rb3 Ra7 21. Qc4 Qg6 22. Ne2 b5 23. axb6 Bxb6 24. Qb4 Rd7 25. Rg3 Qh5 26. Qxb6 Qxh4 27. Rc1 Qf6 28. Rc6 Qd8 29. Rxh6 Qe7 30. Qg6 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.30"]
[Round "9"]
[White "Lopez Idarraga, Daniel Eduardo"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2010"]
[BlackElo "1876"]
[PlyCount "56"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 Nf6 6. Nf3 e6 7. Bd3 Bd6 8. Bg3 Rb8 9. Nbd2 0-0 10. Ne5 Qc7 11. f4 b5 12. a3 a5 13. 0-0 b4 14. axb4 axb4 15. Bh4 Be7 16. Qf3 g6 17. Rae1 Ne4 18. Nxc6 Bxh4 19. Nxe4 dxe4 20. Bxe4 Bxe1 21. Nxb8 Bh4 22. Nc6 f5 23. Bc2 Bb7 24. d5 bxc3 25. bxc3 Bf6 26. c4 Bxc6 27. dxc6 Rc8 28. Ba4 Qa7+ 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.29"]
[Round "6"]
[White "Tobon Velasquez, Sebastian"]
[Black "Torres, Jorge Emilio"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1876"]
[BlackElo "2005"]
[PlyCount "83"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Qb6 13. Kb1 c5 14. Be3 Rc8 15. Ne5 Qc7 16. Nxd7 Nxd7 17. dxc5 Bxc5 18. Ne4 Be7 19. c3 Ne5 20. Qb5+ Nc6 21. Bxa7 0-0 22. Bb6 Qf4 23. Rhe1 e5 24. g3 Qf3 25. Qe2 Qf5 26. f3 Qe6 27. g4 Ra8 28. b3 Ra6 29. Bc5 Rfa8 30. Rd2 b6 31. Bxe7 Qxe7 32. Qb5 Qa7 33. Ree2 Qc7 34. Rd6 Na5 35. Rd7 Qc8 36. Qd5 Qf8 37. b4 Qe8 38. Rd2 Kh7 39. g5 b5 40. bxa5 Rxa5 41. g6+ fxg6 42. Nf6+ 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.28"]
[Round "5"]
[White "Schettini Acuna, Massimo Matteo"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1492"]
[BlackElo "1876"]
[PlyCount "62"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. a3 d5 7. Bb5 Bd7 8. exd5 Nxd5 9. Nxd5 exd5 10. 0-0 Be7 11. Re1 0-0 12. Bf1 Bf6 13. Be3 Re8 14. Qd2 Rc8 15. c3 a6 16. Rad1 Ne5 17. b3 Qa5 18. Ne2 Qxa3 19. Qxd5 Bc6 20. Qd2 Qxb3 21. Nd4 Qd5 22. f4 Nc4 23. Bxc4 Qxc4 24. Qb2 Rcd8 25. Nxc6 Qxc6 26. Bd2 g6 27. Qc2 Qc5+ 28. Kh1 Rxe1+ 29. Rxe1 Qf2 30. Rd1 Qe2 31. h3 Bxc3 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.27"]
[Round "3"]
[White "Munoz Triana, Joseph Steve"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2118"]
[BlackElo "1876"]
[PlyCount "97"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. a4 e5 7. Ndb5 a6 8. Na3 Be6 9. Bc4 Be7 10. Be3 0-0 11. 0-0 Rc8 12. Qe2 Na5 13. Bd5 Qc7 14. Rfd1 Rfd8 15. f3 Nxd5 16. Nxd5 Bxd5 17. Rxd5 Nc4 18. c3 Nxa3 19. Rxa3 Rf8 20. Qd3 Qc6 21. a5 Rfd8 22. Rb3 f6 23. Rb6 Qc7 24. Qc2 Rd7 25. Qb3 Kh8 26. Rb4 h6 27. Kf2 Bf8 28. Bb6 Qc6 29. Ke3 Kh7 30. Kd3 Be7 31. Qc2 Bf8 32. Qb3 Be7 33. g3 Bf8 34. h4 Re7 35. Rc4 Qxc4+ 36. Qxc4 Rxc4 37. Kxc4 Rd7 38. Rd1 Kg8 39. Kd5 Kf7 40. b4 h5 41. c4 Be7 42. b5 g5 43. Rh1 g4 44. fxg4 hxg4 45. h5 Bd8 46. h6 Bxb6 47. h7 Rd8 48. axb6 Rh8 49. bxa6 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.27"]
[Round "4"]
[White "Tobon Velasquez, Sebastian"]
[Black "Vargas Benavides, Mauricio"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1876"]
[BlackElo "1974"]
[PlyCount "64"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. d4 d6 5. Nf3 Be7 6. Bd3 d5 7. 0-0 0-0 8. Bf4 Nd7 9. Nbd2 Ndf6 10. Ne5 c5 11. c3 cxd4 12. cxd4 Qb6 13. Nb3 a5 14. a4 Be6 15. Rb1 Nd7 16. Bb5 Ndf6 17. Bd3 Nh5 18. Be3 f5 19. Nc5 Nhf6 20. Nxe6 Qxe6 21. Qb3 Bb4 22. Rfd1 f4 23. Bxf4 Nxf2 24. Kxf2 Ng4+ 25. Kg1 Rxf4 26. g3 Rxd4 27. Bxh7+ Kh8 28. Rxd4 Bc5 29. Nf3 Qe2 30. Rbd1 Bxd4+ 31. Rxd4 Qf2+ 32. Kh1 Qf1+ 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.26"]
[Round "1"]
[White "Lopez Ocampo, Juan Esteban"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "1876"]
[PlyCount "42"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Be3 Bb4 7. f3 d5 8. exd5 Nxd5 9. Nxc6 bxc6 10. Bd2 Nxc3 11. Bxc3 Bxc3+ 12. bxc3 Qa5 13. Qd2 0-0 14. Bd3 Qc5 15. g3 e5 16. h4 f5 17. c4 e4 18. fxe4 fxe4 19. Bf1 Bg4 20. c3 Rad8 21. Qg5 Qf2# 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.26"]
[Round "2"]
[White "Tobon Velasquez, Sebastian"]
[Black "Loaiza Cuervo, Santiago"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1876"]
[BlackElo "2039"]
[PlyCount "87"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. c4 Be7 7. Nc3 0-0 8. Be3 a6 9. Be2 b6 10. 0-0 Bb7 11. Qd2 Nbd7 12. Rac1 Rc8 13. Rfd1 h5 14. Bf1 Ne5 15. b3 h4 16. Qf2 Nh5 17. Nde2 Bg5 18. Bxg5 Qxg5 19. f4 Nxf4 20. Qxf4 Qe7 21. Nd4 g5 22. Qe3 f5 23. exf5 exf5 24. Nd5 Bxd5 25. cxd5 g4 26. Ne6 f4 27. Qe4 f3 28. gxf3 gxf3 29. Kf2 b5 30. Bh3 Qa7+ 31. Nd4 Rxc1 32. Rxc1 Rf4 33. Rc8+ Kg7 34. Rc7+ Qxc7 35. Ne6+ Kh8 36. Nxf4 Qc5+ 37. Qe3 Qc2+ 38. Kg1 Qb1+ 39. Bf1 Qxa2 40. Ne6 Kg8 41. Qg5+ Kf7 42. Qg7+ Ke8 43. Qf8+ Kd7 44. Qd8# 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "8"]
[White "Laverde, Luis Eduardo"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1954"]
[BlackElo "1761"]
[PlyCount "107"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 d5 5. cxd5 Nxd5 6. 0-0 e5 7. d3 Be7 8. Nbd2 0-0 9. Nc4 f6 10. a3 Be6 11. Bd2 Qd7 12. Re1 Rac8 13. Rc1 Rfd8 14. Ne3 Nb6 15. Bc3 Nd4 16. Nd2 Kh8 17. Ba5 Qb5 18. Nec4 Nxc4 19. Bxd8 Nxb2 20. Rb1 Bxd8 21. Qc1 Nxd3 22. exd3 Qxd3 23. Bxb7 Rc7 24. Bg2 Ne2+ 25. Rxe2 Qxe2 26. Bf1 Qg4 27. Rb8 Qd4 28. Bc4 Bxc4 29. Nxc4 h6 30. Ne3 Rd7 31. Rc8 Kh7 32. Rxc5 Bb6 33. Rc4 Qd3 34. Rc3 Qd2 35. Qb1+ g6 36. Rc2 Qd3 37. Nf1 h5 38. Qb2 Qf3 39. Qb5 Rd1 40. Qe8 Rxf1+ 41. Kxf1 Qd1+ 42. Kg2 Qxc2 43. Qf7+ Kh6 44. Qf8+ Kg5 45. h4+ Kf5 46. Kh3 Qxf2 47. Qc8+ Ke4 48. Qc4+ Ke3 49. Qc3+ Ke2 50. Qc2+ Kf3 51. Qd3+ Be3 52. Qd1+ Qe2 53. Qh1+ Kf2 54. Kh2 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "9"]
[White "Tobon Velasquez, Sebastian"]
[Black "Rios Parra, Juan Fernando"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "1761"]
[BlackElo "1882"]
[PlyCount "33"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Bc4 b5 8. Bb3 b4 9. Na4 Nxe4 10. 0-0 d5 11. f4 f5 12. Nxf5 Bb7 13. Nd4 Qd6 14. f5 e5 15. Qh5+ g6 16. fxg6 Qxg6 17. Qxe5+ 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "6"]
[White "Montoya Echeverri, Sebastian"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1909"]
[BlackElo "1761"]
[PlyCount "75"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 d4 12. Ne2 Bg4 13. f3 Bh5 14. Nf4 Bg6 15. Nxg6 hxg6 16. f4 Re8 17. Qf3 Qd5 18. Qxd5 Nxd5 19. Bd2 Rad8 20. Rfe1 Kf8 21. Kf2 Nf6 22. Kf3 Nd7 23. b4 Nf6 24. Rxe8+ Rxe8 25. b5 Ne7 26. Bb4 b6 27. Bc4 Nd7 28. Rd1 Nc5 29. Rxd4 Nf5 30. Bxc5+ bxc5 31. Rd7 Re3+ 32. Kf2 Rc3 33. Bd3 Nd4 34. Rxa7 c4 35. Rc7 Nxc2 36. Bxc2 Rxc2+ 37. Ke1 Ra2 38. b6 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "7"]
[White "Tobon Velasquez, Sebastian"]
[Black "Gonzalez Gonzalez, Guillermo David"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "1761"]
[BlackElo "1339"]
[PlyCount "53"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Qe2+ Be6 7. Ngf3 a6 8. Bxc6+ bxc6 9. 0-0 c4 10. Ne5 Bd6 11. Re1 Ne7 12. Ndf3 Qc7 13. Ng5 Bxe5 14. dxe5 Nf5 15. b3 Qa5 16. bxc4 Nd4 17. Qd1 Nxc2 18. Bd2 Qc5 19. Qxc2 dxc4 20. Rab1 Bd5 21. Bb4 Qd4 22. e6 fxe6 23. Nxe6 Qg4 24. Nf4+ Kd8 25. Nxd5 cxd5 26. Re5 d4 27. Qxc4 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "5"]
[White "Tobon Velasquez, Sebastian"]
[Black "Llano Buritica, Eduardo Alejandro"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1761"]
[BlackElo "1913"]
[PlyCount "39"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Nd6+ Ke7 8. Bf4 e5 9. Nf5+ Kf8 10. Bg5 Bb4 11. Bd3 d5 12. exd5 Qxd5 13. Ne3 Qd4 14. 0-0 Be6 15. Bxf6 gxf6 16. Qf3 Be7 17. Nf5 Bxf5 18. Qxf5 Qh4 19. Nd5 Rd8 20. Ne3 1/2-1/2

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "3"]
[White "Renteria Renteria, Anio"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1727"]
[BlackElo "1761"]
[PlyCount "54"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c5 3. g3 Nc6 4. Bg2 Nf6 5. 0-0 e6 6. c4 dxc4 7. Qa4 Bd7 8. Qxc4 Rc8 9. dxc5 Na5 10. Qh4 Rxc5 11. Nc3 Be7 12. Qd4 Rc8 13. Ne5 Bc5 14. Qh4 Nc6 15. Nxd7 Nxd7 16. Qg4 0-0 17. Rd1 Nde5 18. Qf4 Qa5 19. Bd2 Ng6 20. Qe4 Rfd8 21. Be1 Qc7 22. Rac1 Rxd1 23. Nxd1 Qb6 24. a3 a5 25. e3 Nge7 26. Qc2 Rd8 27. Nc3 Bd6 0-1

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "2"]
[White "Tobon Velasquez, Sebastian"]
[Black "Suaza Builes, Oscar A"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1761"]
[BlackElo "1469"]
[PlyCount "59"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Bd6 13. Ne4 Be7 14. Kb1 Ng4 15. Qe2 Qb6 16. c4 Ba3 17. Bc3 Be7 18. Ne5 Ndxe5 19. dxe5 f5 20. exf6 Nxf6 21. Nxf6+ gxf6 22. Qxe6 c5 23. Qf5 Rd8 24. Qg6+ Kf8 25. Rde1 Qd6 26. Re3 Qf4 27. Rxe7 Kxe7 28. Bxf6+ Kd7 29. Bxh8 Kc8 30. Qe6+ 1-0

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.05"]
[Round "5"]
[White "Luna Monsalve, Sofia"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1500"]
[BlackElo "1787"]
[PlyCount "40"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 e5 5. dxe5 d4 6. Ne4 Qa5+ 7. Bd2 Qxe5 8. Ng3 Nc6 9. Nf3 Qd5 10. a3 Bg4 11. h3 Bxf3 12. gxf3 0-0-0 13. Rc1 Kb8 14. Bg2 Bd6 15. Ne4 Bc7 16. 0-0 f5 17. Nc5 f4 18. Qa4 Nge7 19. Qb5 Bb6 20. Bxf4+ Ka8 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.05"]
[Round "4"]
[White "Tobon Velasquez, Sebastian"]
[Black "Alvarado Quintero, Laura Natalia"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1787"]
[BlackElo "1433"]
[PlyCount "21"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[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 Bg7 7. f3 Nc6 8. Qd2 0-0 9. g4 Bd7 10. 0-0-0 Rc8 11. h4 1-0

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.04"]
[Round "3"]
[White "Estevez Hernandez, Jose Daniel"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1320"]
[BlackElo "1787"]
[PlyCount "82"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[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. e5 c5 4. Bb5+ Nc6 5. Bxc6+ bxc6 6. Ne2 Bg4 7. f3 Bf5 8. Ng3 Bg6 9. 0-0 e6 10. Qd2 Qb6 11. c3 Nh6 12. Ne2 Nf5 13. g4 Nh4 14. Nf4 Be7 15. Nxg6 hxg6 16. Na3 Rh7 17. Nc2 Kd7 18. Qd3 Rah8 19. Rf2 g5 20. Ne3 Ng6 21. Nf1 Rh3 22. Ng3 c4 23. Qe2 R3h7 24. Nh5 Rb8 25. Qc2 Rbh8 26. Rb1 Rb8 27. b3 Ke8 28. Be3 Kd7 29. f4 Nxf4 30. Bxf4 gxf4 31. Rxf4 g6 32. Nf6+ Bxf6 33. Rxf6 c5 34. Qf2 Rf8 35. dxc5 Qc7 36. Qd4 Qa5 37. bxc4 Qxa2 38. Rb7+ Kc8 39. Rf2 Qa1+ 40. Rf1 Qa2 41. Rf2 Qa1+ 1/2-1/2

[Event "Sabaneta op-B 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.07.03"]
[Round "8"]
[White "Tobon Velasquez, Sebastian"]
[Black "Valencia Escobar, Dario"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1785"]
[BlackElo "1854"]
[PlyCount "83"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[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 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. h3 Na5 10. 0-0 Bd7 11. Qd2 Rc8 12. Bh6 Nc4 13. Bxc4 Rxc4 14. Bxg7 Kxg7 15. Qd3 Qc7 16. Rfe1 a6 17. Rac1 e6 18. Nce2 d5 19. exd5 Nxd5 20. b3 Rc5 21. c4 Nf4 22. Nxf4 Qxf4 23. Rcd1 Rd8 24. Ne2 Qf6 25. Ng3 Rcc8 26. Ne4 Qe7 27. Nd6 Rb8 28. c5 Kg8 29. Qd4 Bc6 30. Qf4 b6 31. b4 bxc5 32. bxc5 Rb2 33. Nxf7 Rf8 34. Qe5 Rxf7 35. Qxb2 Rf8 36. Qe5 Rf5 37. Qxe6+ Qxe6 38. Rxe6 Rxc5 39. Re7 Rd5 40. Rc1 Rd7 41. Rxd7 Bxd7 42. Rc7 1-0

[Event "Sabaneta op-B 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.07.03"]
[Round "9"]
[White "Zapata Cuartas, Juan Carlos"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "1976"]
[BlackElo "1785"]
[PlyCount "51"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Bb7 12. Bg2 Qb6 13. exf6 c5 14. d5 0-0-0 15. 0-0 b4 16. Na4 Qb5 17. a3 exd5 18. axb4 cxb4 19. Qd4 Nc5 20. Qg4+ Kb8 21. Bf4+ Ka8 22. Bc7 Nxa4 23. Bxd8 Nxb2 24. Be7 Bh6 25. Qd4 Na4 26. Rxa4 1-0

[Event "Sabaneta op-B 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.07.02"]
[Round "7"]
[White "Alvarez Alvarez, Luis Fernando"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1717"]
[BlackElo "1785"]
[PlyCount "44"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e5 4. cxd5 cxd5 5. e3 e4 6. Nge2 Nf6 7. Qb3 Bd6 8. Bd2 Bc7 9. Rc1 Nc6 10. Nb5 Ba5 11. Nec3 0-0 12. Be2 a6 13. Na3 Bc7 14. f3 Re8 15. fxe4 Nxe4 16. Nxe4 Rxe4 17. Bf3 Nxd4 18. Qc3 Nxf3+ 19. gxf3 Be5 20. Qd3 Rh4 21. Bc3 Bxc3+ 22. Rxc3 g6 0-1

[Event "Sabaneta op-B 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.07.02"]
[Round "6"]
[White "Tobon Velasquez, Sebastian"]
[Black "Laverde, Luis Eduardo"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1785"]
[BlackElo "1938"]
[PlyCount "112"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[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 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 Nc6 9. Be2 Nge5 10. f4 Ng6 11. Bg3 e6 12. Qd2 Be7 13. 0-0-0 0-0 14. Kb1 Bd7 15. Rhf1 Rc8 16. Nxc6 Bxc6 17. f5 Ne5 18. Qe3 Bf6 19. Bf4 Qe7 20. g4 Bb5 21. Nxb5 axb5 22. Bxb5 Rc5 23. Be2 Rfc8 24. Rd2 Qc7 25. Qb3 exf5 26. exf5 Rc6 27. Bb5 Rb6 28. Be3 Rxb5 29. Qxb5 Nc4 30. Qb3 Re8 31. Bf4 Re4 32. Rdd1 Bxb2 33. Bc1 Bf6 34. Rf4 Na5 35. Rxe4 Nxb3 36. axb3 Qc3 37. Ra4 Kh7 38. h4 Bxh4 39. Bb2 Qc6 40. Rad4 Bg3 41. Rd5 Qe8 42. f6 gxf6 43. Bxf6 Qe6 44. g5 Bf4 45. R5d4 hxg5 46. Bd8 Kg6 47. Bc7 f6 48. Bxd6 Bxd6 49. Rxd6 Qe4 50. Rf1 Qe5 51. Rb6 g4 52. Rxb7 f5 53. Rb4 Kg5 54. Rbf4 Qxf4 55. Rxf4 Kxf4 56. b4 g3 0-1

[Event "Sabaneta op-B 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.06.30"]
[Round "5"]
[White "Becker Newmark, Jeronimo"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1550"]
[BlackElo "1785"]
[PlyCount "96"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 Bf5 6. Nd2 e6 7. Qb3 Qd7 8. Ngf3 Bd6 9. Bxd6 Qxd6 10. Nh4 Bg6 11. Nxg6 hxg6 12. Nf3 Nge7 13. Be2 Rb8 14. 0-0 a6 15. a4 Nf5 16. g3 0-0 17. Rfe1 Rfc8 18. Qb6 Ncxd4 19. Qxd6 Nxe2+ 20. Rxe2 Nxd6 21. a5 Nc4 22. Ne1 Rc5 23. b4 Rc7 24. Nd3 Rd8 25. Rc1 Nd6 26. Nc5 Rdc8 27. Kg2 Ne8 28. h4 Nf6 29. f4 Nd7 30. Nxd7 Rxd7 31. Rd2 Rdc7 32. Rd3 Rc4 33. Rb1 Rxc3 34. Rxc3 Rxc3 35. b5 axb5 36. Rxb5 Rc7 37. Kf3 Kf8 38. Ke3 Ke7 39. Kd4 Kd7 40. Rb6 Rc4+ 41. Kd3 Kc7 42. Rb5 Rc1 43. Kd4 Rc4+ 44. Kd3 Rc6 45. Kd4 Kb8 46. Rb2 Rc4+ 47. Kd3 Kc8 48. Rb6 Ra4 0-1

[Event "Sabaneta op-B 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.06.30"]
[Round "4"]
[White "Salazar, Andres Felipe"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "1902"]
[BlackElo "1785"]
[PlyCount "39"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 c6 4. Bg2 e6 5. 0-0 Be7 6. c4 0-0 7. Nc3 Nbd7 8. b3 b6 9. cxd5 cxd5 10. Qd3 Bb7 11. Nd2 Rc8 12. Bb2 h6 13. Rac1 Nb8 14. Rfd1 Ba6 15. Qf3 Nc6 16. Ncb1 Qd7 17. a3 Na5 18. Bf1 Rxc1 19. Rxc1 Rc8 20. Rxc8+ 1/2-1/2

[Event "Sabaneta op-B 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.06.29"]
[Round "3"]
[White "Tobon Velasquez, Sebastian"]
[Black "Gomez Silva, Maximiliano"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1785"]
[BlackElo "1305"]
[PlyCount "61"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[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 Bg7 7. f3 0-0 8. g4 Nc6 9. Qd2 Be6 10. 0-0-0 Nxd4 11. Bxd4 d5 12. g5 Nh5 13. Bxg7 Kxg7 14. exd5 Bc8 15. Bc4 b6 16. Rhe1 Bb7 17. Qe3 Re8 18. Bb5 Rf8 19. Qxe7 Qxe7 20. Rxe7 Rab8 21. Ne4 Rfd8 22. d6 Bxe4 23. fxe4 Nf4 24. Bc4 Rf8 25. Rxa7 Ng2 26. Rf1 Ne3 27. Raxf7+ Rxf7 28. Rxf7+ Kh8 29. Bb3 Rd8 30. d7 Ng4 31. Re7 1-0

[Event "Sabaneta op-B 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.06.29"]
[Round "2"]
[White "Zapata, Olga Maria"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1537"]
[BlackElo "1785"]
[PlyCount "27"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. Nc3 Nf6 6. Bf4 a6 7. e3 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Rc1 Be7 11. Bd3 Rc8 12. a3 Na5 13. 0-0 b5 14. Na2 1/2-1/2

[Event "Sabaneta op-B 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.06.28"]
[Round "1"]
[White "Tobon Velasquez, Sebastian"]
[Black "Vargas, Jennyfer Mariana"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1785"]
[BlackElo "1500"]
[PlyCount "53"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[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. Bb5 a6 4. Ba4 Nf6 5. d4 Bd6 6. Bxc6 bxc6 7. dxe5 Bxe5 8. Nxe5 0-0 9. 0-0 d6 10. Nxc6 Qe8 11. Nd4 Bg4 12. f3 Bd7 13. Nc3 Qe7 14. Bg5 h6 15. Nd5 Qe8 16. Bxf6 gxf6 17. Nxf6+ Kg7 18. Nxe8+ Rfxe8 19. Nf5+ Kg6 20. Qd4 Bxf5 21. exf5+ Kxf5 22. Qg7 Rg8 23. Qxf7+ Kg5 24. f4+ Kh4 25. g3+ Kg4 26. Kg2 Rgf8 27. h3# 1-0

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.09"]
[Round "6"]
[White "Tobon Velasquez, Sebastian"]
[Black "Rios Parra, Alejandro"]
[Result "0-1"]
[ECO "C71"]
[WhiteElo "1752"]
[BlackElo "2192"]
[PlyCount "56"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. h3 Nge7 6. d3 Ng6 7. 0-0 Be7 8. Be3 0-0 9. Nbd2 f5 10. Bb3+ Kh8 11. exf5 Bxf5 12. Ne4 d5 13. Ng3 Be6 14. c3 Qd7 15. Kh2 Nf4 16. Bxf4 Rxf4 17. Qe2 Bd6 18. Ng5 Bg8 19. Kg1 Raf8 20. Nh5 R4f5 21. Qg4 Qe7 22. h4 h6 23. Nh3 Be6 24. Qg6 R5f7 25. Rae1 Na5 26. d4 Nxb3 27. dxe5 Bc5 28. axb3 Bxh3 0-1

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.09"]
[Round "7"]
[White "Zapata Cuartas, Juan Carlos"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "1963"]
[BlackElo "1752"]
[PlyCount "96"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Bb7 12. Bg2 Qb6 13. exf6 c5 14. d5 0-0-0 15. 0-0 b4 16. Na4 Qb5 17. Re1 Nb6 18. Nxb6+ Qxb6 19. Qg4 Bxd5 20. Bxd5 Rxd5 21. Rad1 Rd4 22. Re4 Rxd1+ 23. Qxd1 Bd6 24. Rxc4 Kb8 25. Qc2 Rc8 26. Be3 Qc6 27. h4 Qd5 28. b3 a5 29. Qe2 Kb7 30. Rg4 Kb6 31. Rg7 e5 32. Qg4 Rh8 33. h5 e4 34. h6 Be5 35. Qf5 Kb5 36. Rxf7 Qxf7 37. Qxe5 Rc8 38. Qxe4 Rc7 39. Qe5 Rc6 40. Bg5 Re6 41. Qb8+ Kc6 42. Qc8+ Kb6 43. Kg2 Rd6 44. Be3 Qd5+ 45. Kh2 Rxf6 46. Bxc5+ Kb5 47. Be3 Rf7 48. Qb8+ Ka6 1-0

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.08"]
[Round "5"]
[White "Olarte Ospina, Manuel"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1890"]
[BlackElo "1752"]
[PlyCount "88"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d5 6. cxd5 Nxd5 7. Bxg7 Kxg7 8. Bg2 c6 9. 0-0 Nd7 10. d4 N7f6 11. Ne5 Bf5 12. Re1 Be4 13. Bxe4 Nxe4 14. Qd3 Qa5 15. Rc1 f5 16. f3 Nd6 17. Nc4 Nxc4 18. bxc4 Nf6 19. Qc3 Qxc3 20. Nxc3 Rad8 21. Rd1 e6 22. Kg2 Rd7 23. Rd3 Rfd8 24. Rad1 b6 25. h3 Kf7 26. e4 e5 27. d5 cxd5 28. cxd5 fxe4 29. fxe4 Rc8 30. Rf1 Kg7 31. Rdf3 Ne8 32. R1f2 Nd6 33. a4 Rc4 34. Re3 a6 35. Rb2 Rb7 36. Kf3 b5 37. axb5 axb5 38. Rb3 b4 39. Na4 Rf7+ 40. Ke2 Nxe4 41. Rxe4 Rxe4+ 42. Re3 Rxe3+ 43. Kxe3 Ra7 44. Nc5 b3 0-1

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.07"]
[Round "4"]
[White "Tobon Velasquez, Sebastian"]
[Black "Orrego Sucerquia, Tatiana"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1752"]
[BlackElo "1539"]
[PlyCount "63"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. e5 Ng8 6. 0-0 Bc5 7. Nbd2 Nge7 8. Nb3 Bb6 9. Re1 0-0 10. Nbxd4 h6 11. Bf4 Re8 12. c3 Ng6 13. Bg3 a6 14. Bc4 d5 15. exd6 Rxe1+ 16. Qxe1 cxd6 17. Qe4 Nce7 18. Bb3 d5 19. Qd3 Bc7 20. Bc2 Bxg3 21. hxg3 Qd6 22. Re1 Bd7 23. Nh4 Re8 24. Nhf5 Nxf5 25. Rxe8+ Bxe8 26. Nxf5 Qe6 27. Ne3 Bc6 28. Qd4 Qe5 29. Bxg6 Qxd4 30. Bxf7+ Kxf7 31. cxd4 Ke6 32. Kf1 1-0

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.06"]
[Round "3"]
[White "Osorio Ocampo, John"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1/2-1/2"]
[ECO "B13"]
[BlackElo "1752"]
[PlyCount "16"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 Nf6 6. Nf3 Bg4 7. Bd3 Bxf3 8. Qxf3 e6 1/2-1/2

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.05"]
[Round "1"]
[White "Arango, Juan Fernando"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "B45"]
[BlackElo "1752"]
[PlyCount "108"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. Bc4 a6 5. d4 cxd4 6. Nxd4 Nf6 7. Nxc6 dxc6 8. Qxd8+ Kxd8 9. 0-0 Bb4 10. e5 Bxc3 11. bxc3 Nd5 12. Rd1 Kc7 13. Bxd5 exd5 14. Ba3 Bf5 15. Bd6+ Kd7 16. Rac1 b5 17. Rd2 h5 18. Rb1 Ke6 19. c4 dxc4 20. Bc7 Be4 21. f3 Bd5 22. c3 h4 23. h3 g5 24. Rf1 Rag8 25. f4 gxf4 26. Rxf4 Rg6 27. Rdf2 Kd7 28. Bd6 Rhg8 29. Kf1 Bxg2+ 30. Ke2 Bd5 31. Rxh4 Rg3 32. Bb4 R8g5 33. e6+ Bxe6 34. Rd4+ Rd5 35. Rxd5+ cxd5 36. h4 Rh3 37. Rf4 Kc6 38. a3 Kb6 39. Kf2 a5 40. Be7 Rxc3 41. h5 Rh3 42. Bh4 c3 43. Ke2 Kc6 44. h6 Bf5 45. Bg5 Bd3+ 46. Ke1 Rh1+ 47. Kf2 Rf1+ 48. Ke3 Rxf4 49. Bxf4 Be4 50. Kd4 b4 51. Bc1 Kb5 52. h7 Bxh7 53. Kxd5 b3 54. Kd4 b2 0-1

[Event "Sabaneta op-B 1st"]
[Site "Sabaneta"]
[Date "2022.11.29"]
[Round "7"]
[White "Gonzalez Zapata, Julian David"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1713"]
[BlackElo "1769"]
[PlyCount "73"]
[EventDate "2022.11.25"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 Nf6 6. Bf4 e5 7. Bg5 Qa5+ 8. Bd2 Qd8 9. Bc4 a6 10. N5c3 b5 11. Bd5 Be7 12. a3 0-0 13. Ba2 b4 14. axb4 Nxb4 15. Bb3 Bb7 16. Qe2 d5 17. exd5 Nfxd5 18. 0-0 Nf4 19. Bxf4 exf4 20. Rd1 Qc7 21. Qg4 Rad8 22. Nd2 Bc5 23. Ne2 Nd5 24. Bxd5 Bxd5 25. Nxf4 Bb7 26. Nh5 f5 27. Qf4 Qc6 28. Nf3 Rde8 29. Qc4+ Kh8 30. Qc3 Rf7 31. Ra5 Qh6 32. Rxc5 Qxh5 33. Re5 Ref8 34. Qb3 h6 35. Rde1 Be4 36. R1xe4 Qg6 37. Re6 1-0

[Event "Sabaneta op-B 1st"]
[Site "Sabaneta"]
[Date "2022.11.29"]
[Round "6"]
[White "Tobon Velasquez, Sebastian"]
[Black "Guerrero Caicedo, Arlette Sabina"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1769"]
[BlackElo "1628"]
[PlyCount "79"]
[EventDate "2022.11.25"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Qxd5 4. Nc3 Qd8 5. Nf3 Bf5 6. Ne5 c6 7. g4 Be6 8. h3 Nbd7 9. Nd3 Bc4 10. Bg2 Nd5 11. Ne2 e6 12. b3 Bxd3 13. Qxd3 Bd6 14. c4 Bb4+ 15. Kf1 Ne7 16. Bb2 0-0 17. d5 e5 18. a3 Bc5 19. b4 Qb6 20. bxc5 Qxb2 21. Rb1 Nxc5 22. Rxb2 Nxd3 23. Rxb7 Rab8 24. dxc6 e4 25. Bxe4 Rxb7 26. cxb7 Nc5 27. Bf3 f5 28. Kg2 fxg4 29. hxg4 Ng6 30. Bd5+ Kh8 31. Rb1 Rb8 32. Rb5 Nd3 33. Be4 Ndf4+ 34. Nxf4 Nxf4+ 35. Kf3 Ne6 36. Ke3 g6 37. Re5 Nf8 38. Re7 Rd8 39. c5 Nd7 40. Rxd7 1-0

[Event "Sabaneta op-B 1st"]
[Site "Sabaneta"]
[Date "2022.11.28"]
[Round "5"]
[White "Tobon Velasquez, Sebastian"]
[Black "Restrepo Ortiz, Brayan David"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1769"]
[BlackElo "1600"]
[PlyCount "71"]
[EventDate "2022.11.25"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Nf3 0-0 6. Be2 Nc6 7. 0-0 e5 8. dxe5 dxe5 9. Bg5 Qxd1 10. Rfxd1 Ne8 11. Nd5 f6 12. Be3 Rf7 13. b4 Nd6 14. b5 Nd4 15. Nxd4 exd4 16. Bxd4 Nxe4 17. f3 Ng5 18. Be3 Ne6 19. Rd2 f5 20. Rc1 f4 21. Bf2 Bd7 22. Rcd1 Be8 23. c5 Kh8 24. a3 c6 25. bxc6 Bxc6 26. Nb4 Ba4 27. Rc1 Rd8 28. Rxd8+ Nxd8 29. Bc4 Rd7 30. Nd5 Be5 31. Re1 Nc6 32. Rxe5 Nxe5 33. Bd4 Kg7 34. Bxe5+ Kf8 35. Bxf4 Bc6 36. Bh6+ 1-0

[Event "Frankfurt-chA"]
[Site "Frankfurt"]
[Date "2018.06.18"]
[Round "7"]
[White "Tobon Velasquez, Sebastian"]
[Black "Medvedovski, Michael"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1800"]
[BlackElo "2115"]
[PlyCount "60"]
[EventDate "2018.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. N1c3 a6 8. Na3 Be7 9. Nc2 Rc8 10. Be2 Na5 11. b3 b5 12. Ne3 bxc4 13. bxc4 Nxc4 14. Nxc4 Bxc4 15. 0-0 Nf6 16. Be3 Qa5 17. Bd2 Qa3 18. Bxc4 Rxc4 19. Qf3 Qc5 20. Rac1 0-0 21. g4 d5 22. exd5 Rxg4+ 23. Kh1 Qb6 24. Rce1 Bd6 25. h3 Rg6 26. Rg1 Qd4 27. Bg5 Rc8 28. Bxf6 Rxc3 29. Rxg6 Rxf3 30. Rxg7+ Kf8 0-1

[Event "Frankfurt-chA"]
[Site "Frankfurt"]
[Date "2018.06.11"]
[Round "6"]
[White "Poetsch, Hagen"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2505"]
[BlackElo "1800"]
[PlyCount "127"]
[EventDate "2018.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 e5 3. Nf3 d6 4. d4 Nd7 5. Bc4 Be7 6. a4 h6 7. 0-0 Ngf6 8. Ba2 Qc7 9. Nh4 g6 10. Be3 Nf8 11. h3 g5 12. Nf5 Bxf5 13. exf5 d5 14. dxe5 Qxe5 15. Qd3 N8d7 16. f4 Qd6 17. Rae1 Rg8 18. Bd4 gxf4 19. Qe2 Kf8 20. Qf3 Rg3 21. Qxf4 Qxf4 22. Rxf4 Bd6 23. Rff1 Bc5 24. Ne2 Bxd4+ 25. Nxd4 Ne4 26. Kh2 Ndf6 27. Rf4 Nh5 28. Rh4 Nef6 29. c4 Rd3 30. Nf3 Re8 31. Rxe8+ Kxe8 32. cxd5 cxd5 33. a5 b6 34. axb6 axb6 35. Ra4 Nd7 36. Ra8+ Ke7 37. Rh8 Ng7 38. Rh7 Kf8 39. Rxh6 Nxf5 40. Rh8+ Kg7 41. Rd8 Nf6 42. Bb1 Rb3 43. Bxf5 Rxb2 44. Rc8 Nh5 45. Rc2 Rb4 46. g4 Nf6 47. Ne5 Ne8 48. Nd3 Ra4 49. Rc6 b5 50. Rb6 Ra3 51. Nf4 Nc7 52. Rb7 Rc3 53. g5 Rf3 54. Nh5+ Kf8 55. Bd7 Rc3 56. Bxb5 d4 57. Nf4 Ne6 58. Nxe6+ fxe6 59. h4 d3 60. Rd7 Rc2+ 61. Kg3 d2 62. h5 Rc5 63. Be2 Rxg5+ 64. Kf2 1-0

[Event "Frankfurt-chA"]
[Site "Frankfurt"]
[Date "2018.06.04"]
[Round "5"]
[White "Minor, Samuel"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2225"]
[BlackElo "1800"]
[PlyCount "94"]
[EventDate "2018.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 0-0 9. 0-0 Nc6 10. Bg5 Ng4 11. Bc1 Nf6 12. h3 b5 13. Bb3 h6 14. Qe2 Na5 15. Rd1 Nxb3 16. axb3 Bd7 17. Ne1 Qb8 18. b4 Bc6 19. Nd3 Qb7 20. Re1 Rfe8 21. Bd2 Bd8 22. Qf3 Nh7 23. Rad1 Re6 24. Qe2 Nf6 25. Kh2 Bb6 26. f3 Rd8 27. Be3 Bc7 28. Kg1 a5 29. Bf2 Ra8 30. Ra1 a4 31. Red1 Rd8 32. Nc1 d5 33. exd5 Nxd5 34. Ne4 Nf4 35. Rxd8+ Bxd8 36. Qd2 Bb6 37. Bxb6 Qxb6+ 38. Qf2 Qd8 39. Ne2 Nd5 40. c3 Nb6 41. Nc5 Rd6 42. Qe1 Nc4 43. b3 axb3 44. Nxb3 Qg5 45. Ng3 Rg6 46. Kh2 h5 47. Ra2 Qf4 0-1

[Event "Frankfurt-chA"]
[Site "Frankfurt"]
[Date "2018.05.14"]
[Round "3"]
[White "Tobon Velasquez, Sebastian"]
[Black "Chandler, Patrick"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "1800"]
[BlackElo "2102"]
[PlyCount "95"]
[EventDate "2018.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. 0-0 Nc6 8. Nxd5 Qxd5 9. b3 e5 10. Bb2 0-0-0 11. d3 f6 12. Nd2 Kb8 13. Qf3 Qd7 14. a3 Be7 15. Nc4 g5 16. Ne3 h5 17. Qf5 Kc7 18. Qe4 Qe6 19. Nf5 Qf7 20. Bc3 Bf8 21. b4 Qd5 22. b5 Ne7 23. Ne3 Qxe4 24. dxe4 Bh6 25. g4 hxg4 26. Nxg4 Bg7 27. Rad1 Rxd1 28. Rxd1 Rh4 29. f3 Rh8 30. Ne3 b6 31. Kg2 Ng6 32. Nd5+ Kc8 33. Bd2 Nh4+ 34. Kg3 Ng6 35. Be3 Nf8 36. Ne7+ Kc7 37. Nf5 Rh7 38. Rd6 Nd7 39. Rc6+ Kd8 40. Nd6 Ke7 41. Nc8+ Kf7 42. Nxa7 Rh8 43. Nc8 f5 44. Nd6+ Kg8 45. Nxf5 Bf8 46. Bxg5 Kf7 47. h4 Rg8 48. c4 1-0

[Event "Frankfurt-chA"]
[Site "Frankfurt"]
[Date "2018.05.07"]
[Round "2"]
[White "Kuban, Guenter"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1967"]
[BlackElo "1800"]
[PlyCount "143"]
[EventDate "2018.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. 0-0 h6 6. c4 a6 7. Qb3 Ra7 8. Nc3 e6 9. Nh4 Bh7 10. d4 Be7 11. c5 0-0 12. a4 Ne4 13. Be3 Bxh4 14. gxh4 Nd7 15. Nxe4 dxe4 16. Bf2 Nf6 17. e3 Nd5 18. Kh1 Bf5 19. Rg1 Kh8 20. Qd1 Qc7 21. Qb1 Nf6 22. h3 a5 23. h5 Qd7 24. Bh4 Nxh5 25. Bxe4 Bxe4+ 26. Qxe4 Qd5 27. Qg2 Qxg2+ 28. Rxg2 g6 29. b4 axb4 30. Rb2 Kg7 31. Rxb4 Nf6 32. Bxf6+ Kxf6 33. Kg2 Ke7 34. Rab1 Rb8 35. a5 Kd7 36. a6 Kc7 37. Rxb7+ Raxb7 38. Rxb7+ Rxb7 39. axb7 Kxb7 40. h4 Ka6 41. Kf3 Kb5 42. Ke4 f6 43. Kd3 g5 44. hxg5 hxg5 45. fxg5 fxg5 46. e4 g4 47. Ke2 Kc4 48. Ke3 g3 49. d5 Kxc5 50. dxc6 Kxc6 51. Kf3 e5 52. Kxg3 Kc5 53. Kg4 Kc4 54. Kg3 Kd3 55. Kf2 Kd4 56. Kf3 Kd3 57. Kf2 Kxe4 58. Ke2 Kf4 59. Kf2 e4 60. Ke2 Kg4 61. Ke3 Kf5 62. Ke2 Kf4 63. Kf2 e3+ 64. Ke2 Ke4 65. Ke1 Kd3 66. Kd1 Kd4 67. Ke2 Ke4 68. Ke1 Kd3 69. Kd1 Kc3 70. Ke2 Kd4 71. Ke1 Kd3 72. Kd1 1/2-1/2

[Event "Frankfurt-chA"]
[Site "Frankfurt"]
[Date "2018.04.30"]
[Round "1"]
[White "Tobon Velasquez, Sebastian"]
[Black "Mongi, Mario"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1800"]
[BlackElo "1357"]
[PlyCount "59"]
[EventDate "2018.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Bc4 Bg7 4. c3 Nc6 5. 0-0 Nf6 6. e5 Ng4 7. Bxf7+ Kf8 8. Bb3 Ngxe5 9. d4 cxd4 10. cxd4 Nf7 11. Nc3 d6 12. Re1 Bd7 13. Ng5 Nxg5 14. Bxg5 Bf6 15. Bh6+ Ke8 16. Nd5 e6 17. Nxf6+ Qxf6 18. d5 Nd4 19. dxe6 Bc6 20. Ba4 Rc8 21. Rc1 b5 22. Bc2 Ke7 23. Qg4 Bf3 24. gxf3 Nxf3+ 25. Kg2 Nxe1+ 26. Rxe1 Rc5 27. Bb3 g5 28. Qh5 Rf5 29. Qf7+ Qxf7 30. exf7+ 1-0

[Event "Heusenstamm Sparkassen op-B 4th"]
[Site "Heusenstamm"]
[Date "2017.11.26"]
[Round "7"]
[White "Becker, Ralph"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1753"]
[PlyCount "48"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 e6 4. Bf4 Nc6 5. e3 Be7 6. h3 b6 7. Bd3 Bb7 8. 0-0 d5 9. Nbd2 Bd6 10. Re1 cxd4 11. cxd4 Qb8 12. Bxd6 Qxd6 13. Bb5 0-0 14. Bxc6 Bxc6 15. Ne5 Rfc8 16. Ndf3 Rc7 17. Re2 Rac8 18. Rc1 Ne4 19. Rec2 f6 20. Nxc6 Rxc6 21. Ne1 Qd7 22. Rxc6 Rxc6 23. Rxc6 Qxc6 24. Qc2 Qxc2 1/2-1/2

[Event "Heusenstamm Sparkassen op-B 4th"]
[Site "Heusenstamm"]
[Date "2017.11.26"]
[Round "6"]
[White "Tobon Velasquez, Sebastian"]
[Black "Schwenk, Stefan"]
[Result "1-0"]
[ECO "A01"]
[BlackElo "1727"]
[PlyCount "83"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. e3 e6 4. g3 c5 5. Bg2 Nc6 6. Nf3 Be7 7. 0-0 0-0 8. d3 b5 9. a4 b4 10. Nbd2 Qc7 11. Re1 Bb7 12. Qe2 Rfd8 13. Rad1 Rac8 14. e4 d4 15. h3 Nd7 16. Nh2 Bd6 17. f4 e5 18. f5 f6 19. Qh5 Nf8 20. Rf1 Qf7 21. Qf3 Rd7 22. Bc1 Be7 23. Ng4 h5 24. Nh2 Nh7 25. h4 Kh8 26. Bh3 Rg8 27. Kh1 Rc7 28. Rg1 g5 29. fxg6 Qxg6 30. Bf5 Qf7 31. Rg2 Bc8 32. Rdg1 Bxf5 33. exf5 Bf8 34. Ne4 Rd7 35. g4 hxg4 36. Rxg4 Rxg4 37. Rxg4 Ne7 38. Nf1 Ng8 39. Nfg3 Qd5 40. Nh5 Rf7 41. Rxg8+ Kxg8 42. Nexf6+ 1-0

[Event "Heusenstamm Sparkassen op-B 4th"]
[Site "Heusenstamm"]
[Date "2017.11.25"]
[Round "5"]
[White "Senatov, Boris"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1704"]
[PlyCount "72"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bf5 6. Be2 cxd4 7. cxd4 Bxb1 8. Rxb1 Nf6 9. 0-0 e6 10. a3 Be7 11. b4 0-0 12. b5 Na5 13. b6 Nc6 14. bxa7 Rxa7 15. Qb3 Rfa8 16. Qxd5 Nxd5 17. Rb3 Bf6 18. Rd1 h6 19. Bf1 b6 20. h3 Na5 21. Rbd3 Nc4 22. Rb3 Nxa3 23. Rd2 Ra4 24. Ra2 Nc4 25. Rc2 Na5 26. Rb1 Rb4 27. Rxb4 Nxb4 28. Rb2 Nd5 29. Rb5 Rc8 30. Bd2 Nc4 31. Bb4 Rc6 32. Be1 Nd6 33. Rb1 Nf5 34. Ne5 Rc7 35. Ng4 Bxd4 36. g3 Nxg3 0-1

[Event "Heusenstamm Sparkassen op-B 4th"]
[Site "Heusenstamm"]
[Date "2017.11.25"]
[Round "4"]
[White "Tobon Velasquez, Sebastian"]
[Black "Merges, Harald"]
[Result "1/2-1/2"]
[ECO "C07"]
[BlackElo "1773"]
[PlyCount "27"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Nb3 cxd4 6. Qxd4 Nf6 7. Nf3 Nc6 8. Qxd5 Nxd5 9. Bb5 Bd7 10. c3 a6 11. Bxc6 Bxc6 12. Na5 Ne7 13. Nxc6 Nxc6 14. Bf4 1/2-1/2

[Event "Heusenstamm Sparkassen op-B 4th"]
[Site "Heusenstamm"]
[Date "2017.11.24"]
[Round "2"]
[White "Tobon Velasquez, Sebastian"]
[Black "John, Volkmar"]
[Result "1-0"]
[ECO "A01"]
[BlackElo "1796"]
[PlyCount "87"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 d6 5. Ne2 Be7 6. 0-0 a6 7. Bxc6+ bxc6 8. f4 e4 9. c4 0-0 10. Ng3 Re8 11. Nc3 d5 12. Rc1 Bb7 13. Nce2 Bf8 14. Nf5 g6 15. Nfg3 Qe7 16. f5 g5 17. Bxf6 Qxf6 18. cxd5 cxd5 19. Rxc7 Qb6 20. Rc2 Rac8 21. Rxc8 Rxc8 22. Nd4 Bc5 23. Nge2 a5 24. f6 Ba6 25. Rf5 h6 26. Rxd5 Qxf6 27. Nc3 Bd3 28. h4 Bxd4 29. Rxd4 Qg6 30. Qg4 f5 31. Qg3 Rf8 32. Rd6 Rf6 33. Rd8+ Rf8 34. Rxf8+ Kxf8 35. hxg5 hxg5 36. Qe5 Qf7 37. Nd5 f4 38. Qh8+ Qg8 39. Qf6+ Qf7 40. Qd8+ Qe8 41. Qd6+ Kg7 42. Qf6+ Kh7 43. Qxg5 Qg6 44. Qxg6+ 1-0

[Event "Heusenstamm Sparkassen op-B 4th"]
[Site "Heusenstamm"]
[Date "2017.11.24"]
[Round "3"]
[White "Zerhusen, Martin"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "1751"]
[PlyCount "63"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 cxd4 5. Nxd4 a6 6. e3 Nc6 7. Be2 Be7 8. 0-0 Qc7 9. Nf3 d6 10. a3 0-0 11. Qc2 b6 12. Rd1 Bb7 13. b3 Rac8 14. Bb2 Na5 15. Rac1 Rfd8 16. Rd2 Qb8 17. Qd1 d5 18. cxd5 Nxd5 19. b4 Nxc3 20. Rxc3 Rxc3 21. Rxd8+ Qxd8 22. Qxd8+ Bxd8 23. Bxc3 Nc6 24. Nd2 Bc7 25. Bf3 f6 26. h3 Kf7 27. Kf1 Ke7 28. Ke2 Nd8 29. Kd3 Bxf3 30. Nxf3 Nc6 31. Kc4 Na7 32. Kb3 1/2-1/2

[Event "Heusenstamm Sparkassen op-B 4th"]
[Site "Heusenstamm"]
[Date "2017.11.23"]
[Round "1"]
[White "Grabs, Peter"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1319"]
[PlyCount "122"]
[EventDate "2017.11.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Nbd7 8. h3 b5 9. a3 Bb7 10. Bg5 Be7 11. Bd3 h6 12. Bh4 Qc7 13. 0-0 Nc5 14. Re1 Ne6 15. Qd2 Nf4 16. Rad1 g5 17. Bg3 N6h5 18. Bh2 Rg8 19. Bf1 Rc8 20. g3 Ng6 21. Re2 f5 22. Nd5 Bxd5 23. Qxd5 Nf6 24. Qb3 fxe4 25. Rxe4 Qxc2 26. Qxc2 Rxc2 27. Re2 Rxe2 28. Bxe2 Kd7 29. g4 Kc7 30. b4 Rc8 31. a4 Kb6 32. a5+ Kb7 33. Kf1 Rc3 34. Rb1 Nd5 35. Ke1 Ngf4 36. Ng1 Nxe2 37. Kxe2 Rc4 38. Kd3 Nxb4+ 39. Ke3 Nd5+ 40. Kd3 Kc6 41. Ke2 Nc3+ 42. Ke3 Nxb1 43. Nf3 b4 44. Bxe5 dxe5 45. Nxe5+ Kd5 46. Nxc4 Kxc4 47. h4 b3 48. f4 gxh4 49. f5 b2 50. Ke4 Bf6 51. g5 Nc3+ 52. Kf4 Bxg5+ 53. Kg4 b1Q 54. Kh5 Ne4 55. Kg6 Qf1 56. Kh5 Ng3+ 57. Kg6 Qxf5+ 58. Kg7 Nh5+ 59. Kg8 Qg6+ 60. Kf8 Qf6+ 61. Ke8 Qe7# 0-1

[Event "Departamental Tercera Antioquia"]
[Site "Medellin"]
[Date "2014.03.03"]
[Round "4.6"]
[White "Tobon Velasquez, Sebastian"]
[Black "Uribe Roman, Alejandro"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "1637"]
[BlackElo "1721"]
[PlyCount "77"]
[EventDate "2014.02.24"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. 0-0 Qc7 9. Qf3 Nc6 10. Rd1 0-0 11. Qg3 Bd7 12. Bg5 Rac8 13. Nde2 Rfd8 14. Bxf6 Bxf6 15. Qxd6 Nd4 16. Rxd4 Bxd4 17. Qxd4 Bc6 18. Qe3 b5 19. f3 b4 20. Nd1 Bb5 21. Nf2 a5 22. a4 Ba6 23. Nd3 Bc4 24. Bxc4 Qxc4 25. Rc1 h6 26. b3 Qa6 27. Nb2 Rd7 28. Nc4 Rcd8 29. Nf4 f6 30. Nd3 Rd4 31. Re1 Qc6 32. Re2 Qc7 33. e5 f5 34. Nd6 Rd5 35. f4 Kh7 36. h3 Rd7 37. Kh2 Qd8 38. Qg3 Qc7 39. h4 1-0

[Event "Departamental Tercera Antioquia"]
[Site "Medellin"]
[Date "2014.02.24"]
[Round "1.1"]
[White "Ramirez Montoya, Jorge A"]
[Black "Tobon Velasquez, Sebastian"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1794"]
[BlackElo "1637"]
[PlyCount "70"]
[EventDate "2014.02.24"]
[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 c5 2. Nc3 d6 3. Bb5+ Bd7 4. a4 Nf6 5. d3 Nc6 6. Bxc6 bxc6 7. f4 e6 8. Nf3 Be7 9. 0-0 Qc7 10. Qe1 g6 11. b3 Nh5 12. Bb2 f6 13. Qe3 0-0 14. g4 Ng7 15. f5 g5 16. h4 h6 17. hxg5 hxg5 18. Nxg5 fxg5 19. Ne2 Qd8 20. e5 exf5 21. e6 Bxe6 22. Bxg7 Kxg7 23. Qxe6 Rf6 24. Qe3 f4 25. Qe4 d5 26. Qe5 Qd7 27. Rf2 Kg6 28. Raf1 Raf8 29. c4 Bd6 30. Nxf4+ Rxf4 31. Qe2 Qxg4+ 32. Qxg4 Rxg4+ 33. Rg2 Rxg2+ 34. Kxg2 Rxf1 35. Kxf1 Kf5 0-1

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2005.10.21"]
[Round "9"]
[White "Tobon Velasquez, Sebastian"]
[Black "Herrera, Juan Sebastian"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "101"]
[EventDate "2005.10.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. Re1 Bc5 8. h3 d6 9. c3 Qe7 10. d3 h6 11. Nbd2 g5 12. Nf1 g4 13. hxg4 Nxg4 14. d4 Bb6 15. Ng3 Qf6 16. Nf5 Ne7 17. Nxe7 Qxe7 18. Nxe5 Nxe5 19. dxe5 dxe5 20. Be3 Rd8 21. Qh5 Bxe3 22. Rxe3 c5 23. a4 c4 24. Bd1 Qg5 25. Qe2 h5 26. axb5 axb5 27. Ra7 Rd7 28. b3 Qd8 29. Ra1 Rd2 30. Qf3 Bc6 31. bxc4 bxc4 32. Be2 Bb5 33. Qf5 Qe7 34. Bxh5 Rd8 35. Rf3 Rf8 36. Ra5 Rb8 37. Rg3 Qc7 38. Qe6+ Kd8 39. Qd5+ Bd7 40. Rc5 Qa7 41. Qxe5 f6 42. Qd5 Qa1+ 43. Kh2 Rb1 44. Rg7 Rh1+ 45. Kg3 Rh3+ 46. gxh3 Qg1+ 47. Kf3 Qxg7 48. Ra5 f5 49. e5 Qh6 50. Ra8+ Ke7 51. Qc5+ 1-0

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2005.10.20"]
[Round "8"]
[White "Guelgua, Alvaro"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "83"]
[EventDate "2005.10.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 0-0 8. h3 Nc6 9. 0-0 Bd7 10. Bb3 Na5 11. f4 Nxb3 12. axb3 a6 13. Qf3 Qc7 14. g4 e5 15. Nde2 Bc6 16. f5 Rad8 17. Rad1 Nxe4 18. Nxe4 d5 19. f6 dxe4 20. Qf2 Bh8 21. Bb6 Qc8 22. Rxd8 Rxd8 23. Bxd8 Qxd8 24. g5 Qd2 25. h4 h5 26. Nc3 Qd7 27. Kh2 Qg4 28. Qg3 Qe6 29. Qh3 Qd6 30. Rd1 Qc5 31. Rd2 Kh7 32. Na4 Qa7 33. Qc3 e3 34. Re2 Qd4 35. Qxd4 exd4 36. Kg3 Be4 37. Nc5 Bf5 38. Nd3 Bxf6 39. gxf6 g5 40. hxg5 Kg6 41. Kf4 Bg4 42. Ne5+ 1-0

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2005.10.19"]
[Round "7"]
[White "Almanza, Rafael Andres"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "43"]
[EventDate "2005.10.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[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. Qd2 Nc6 9. 0-0-0 d5 10. Kb1 Nxd4 11. e5 Nf5 12. exf6 Bxf6 13. Nxd5 Qxd5 14. Qxd5 Nxe3 15. Qd2 Nxd1 16. Qxd1 Be6 17. Bd3 b5 18. Qe2 Rfb8 19. Be4 Bc4 20. Qe3 Bd4 21. Qxd4 Rd8 22. Qe5 1-0

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2005.10.19"]
[Round "6"]
[White "Tobon Velasquez, Sebastian"]
[Black "Borda, Alan"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1800"]
[BlackElo "2107"]
[PlyCount "62"]
[EventDate "2005.10.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Be2 Be7 6. 0-0 0-0 7. h3 c6 8. Be3 Re8 9. dxe5 dxe5 10. Qd2 Qc7 11. Rad1 Nf8 12. Bd3 b6 13. Ne2 Be6 14. Ng3 Rad8 15. Qc3 Ng6 16. Bb5 Rxd1 17. Rxd1 Rc8 18. Bc4 Bxc4 19. Qxc4 b5 20. Qc3 a5 21. Bc5 Rd8 22. Rxd8+ Bxd8 23. Qd2 Qd7 24. Qxd7 Nxd7 25. Bd6 f6 26. b3 c5 27. Nf5 Kf7 28. Ne1 Nf4 29. g3 Nxh3+ 30. Kg2 Ng5 31. Nd3 g6 0-1

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2005.10.16"]
[Round "1"]
[White "Alvarez, Anderson"]
[Black "Tobon Velasquez, Sebastian"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "41"]
[EventDate "2005.10.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Bd7 10. g4 Qa5 11. Nb3 Qd8 12. h4 a5 13. h5 a4 14. Nd4 Nxd4 15. Bxd4 b5 16. hxg6 fxg6 17. Qh2 b4 18. Bxf6 exf6 19. Bc4+ Rf7 20. Qxh7+ Kf8 21. Qxg6 1-0

