[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.08"]
[Round "7"]
[White "Cardona Marin, Fabio"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1795"]
[BlackElo "1415"]
[PlyCount "41"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. c4 d6 5. Nc3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. e4 c6 12. Be3 Be6 13. Rfd1 b6 14. b3 Bf8 15. Rxd8 Rxd8 16. Rd1 Rxd1+ 17. Nxd1 Bb4 18. Bd3 Nd7 19. Bc1 c5 20. a3 Be1 21. Kf1 1-0

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.08"]
[Round "6"]
[White "Carvajal Barreto, Misael Camilo"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1764"]
[BlackElo "1415"]
[PlyCount "33"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. Nf3 e6 4. e3 Bd6 5. Bg3 c6 6. c4 dxc4 7. Bxc4 b5 8. Bb3 Bb7 9. 0-0 0-0 10. Nbd2 Qc7 11. Rc1 Nbd7 12. Bxd6 Qxd6 13. e4 Qf4 14. Re1 Rac8 15. e5 Nd5 16. Re4 Qh6 17. Re3 1-0

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.07"]
[Round "4"]
[White "Garcia Sanchez, Hernan Andres"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1600"]
[BlackElo "1415"]
[PlyCount "61"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 e5 4. d4 Bg4 5. dxe5 Bxf3 6. Qxf3 dxe5 7. Bg5 Be7 8. Rd1 Nbd7 9. Bc4 c6 10. Qd3 Qc7 11. h3 Rd8 12. Qe2 0-0 13. 0-0 b5 14. Bd3 Nc5 15. a3 a5 16. Qf3 Ne6 17. Bxf6 Bxf6 18. Be2 Nd4 19. Qe3 Nxc2 20. Qc1 Nd4 21. Rfe1 h6 22. Nxb5 Nxe2+ 23. Rxe2 Rxd1+ 24. Qxd1 cxb5 25. Rc2 Rd8 26. Qe2 Qd7 27. Rc5 Qd1+ 28. Qxd1 Rxd1+ 29. Kh2 b4 30. Rxa5 bxa3 31. bxa3 0-1

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.07"]
[Round "5"]
[White "Sanchez Ospina, William"]
[Black "Badillo, Julio Cesar"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1415"]
[BlackElo "1796"]
[PlyCount "47"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. e3 g6 4. Nf3 Bg7 5. Nbd2 0-0 6. Bd3 b6 7. 0-0 Bb7 8. Re1 Nbd7 9. e4 Nh5 10. Be3 e5 11. d5 Nc5 12. Bb5 a5 13. a4 Qe7 14. Bg5 f6 15. Be3 Rfd8 16. c3 Bc8 17. b4 axb4 18. cxb4 Na6 19. Rb1 h6 20. Qe2 Nb8 21. Qc4 f5 22. exf5 Bxf5 23. Rbc1 e4 24. Nd4 1-0

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.06"]
[Round "3"]
[White "Sanchez Ospina, William"]
[Black "Arroyave Arboleda, Shantal"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1415"]
[BlackElo "1554"]
[PlyCount "93"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Nf6 5. Nf3 e6 6. Nbd2 Be7 7. Ne5 Qb6 8. Nxc6 Qxc6 9. a4 a6 10. Nf3 Nd7 11. Bd3 c4 12. Bc2 0-0 13. h4 f6 14. Qb1 f5 15. g4 g6 16. gxf5 exf5 17. h5 Bd6 18. Bxd6 Qxd6 19. hxg6 hxg6 20. Kd2 Nf6 21. Qg1 Ne4+ 22. Bxe4 fxe4 23. Ne5 Bf5 24. Qh2 Kg7 25. Qh6+ Kf6 26. Rag1 Ke7 27. Qg7+ Ke6 28. Nxg6 Rg8 29. Nf4+ Qxf4 30. Qxg8+ Rxg8 31. exf4 Rf8 32. Rh6+ Kd7 33. Rg7+ Kc8 34. a5 Kb8 35. Ke3 Bc8 36. Rd6 Bf5 37. Rxd5 Be6 38. Rc5 Bf7 39. Re5 Kc8 40. Kxe4 Kd7 41. d5 Kd6 42. Kd4 Kd7 43. Kxc4 Kd6 44. Kd4 Kd7 45. c4 Kd6 46. c5+ Kd7 47. Rf5 1-0

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.06"]
[Round "2"]
[White "Vanegas Henao, Ricardo Javier"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1838"]
[BlackElo "1415"]
[PlyCount "157"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 Ng4 6. Bg5 h6 7. Bh4 g5 8. Bg3 e5 9. d5 a6 10. f3 Nf6 11. 0-0-0 b5 12. Re1 c5 13. dxc6 Nxc6 14. Rd1 Bf8 15. Bxb5 axb5 16. Nxb5 Be6 17. Nxd6+ Bxd6 18. Qxd6 Qxd6 19. Rxd6 Rc8 20. Ne2 Ke7 21. Rhd1 Rhd8 22. Rxd8 Rxd8 23. Rxd8 Kxd8 24. b3 Nh5 25. Bf2 Nf4 26. Nxf4 exf4 27. Bc5 Kd7 28. Bf8 h5 29. Kd2 g4 30. Bh6 gxf3 31. gxf3 Ne5 32. Bxf4 Nxf3+ 33. Kc3 Kc6 34. a4 f5 35. exf5 Bxf5 36. b4 Ne1 37. b5+ Kb7 38. a5 Nxc2 39. Bd6 Ne3 40. Kb4 Be4 41. Kc5 Nf5 42. Bf4 Ne7 43. a6+ Ka7 44. Be3 Nf5 45. Bf2 Bf3 46. Kb4+ Ka8 47. Bc5 Ng7 48. Ka5 Ne6 49. Bd6 Nd4 50. b6 Bc6 51. Kb4 Nf5 52. Kc5 Bg2 53. Be5 Ne3 54. Kd4 Nf5+ 55. Kd3 Bf1+ 56. Ke4 Bxa6 57. Kxf5 Kb7 58. Bc7 Be2 59. Kg5 Bd1 60. Kf4 Be2 61. Ke3 Bg4 62. Kf4 Be2 63. h3 Kc6 64. Kg3 Bf1 65. Kh2 Be2 66. Kg2 Ba6 67. Kf2 Kd7 68. Be5 Ke6 69. Bf4 Kf5 70. Bc7 Bb7 71. Kg3 Kg6 72. Bd8 Bc6 73. Kf4 Bb7 74. Ke5 Kf7 75. Kd6 Kg6 76. h4 Kf5 77. Kc7 Bf3 78. b7 Bxb7 79. Kxb7 1-0

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.05"]
[Round "1"]
[White "Sanchez Ospina, William"]
[Black "Garcia, Julian Alberto"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1415"]
[BlackElo "1968"]
[PlyCount "138"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Nf3 Bg7 5. Nbd2 0-0 6. Bd3 c5 7. c3 cxd4 8. exd4 Nc6 9. h3 Re8 10. 0-0 Nh5 11. Bh2 Bh6 12. Ne5 Nxe5 13. dxe5 Nf4 14. Bb5 Bd7 15. Bxd7 Qxd7 16. Nf3 Qb5 17. Bxf4 Bxf4 18. Qd4 Bh6 19. Rab1 Qc4 20. Rfd1 Qxd4 21. Nxd4 e6 22. Rd3 Rec8 23. Rf1 a6 24. f4 b5 25. g4 Bf8 26. Kg2 Bc5 27. Ne2 b4 28. f5 bxc3 29. bxc3 Rab8 30. fxg6 hxg6 31. Nc1 Rb2+ 32. Kg3 Bb6 33. Rdf3 Rc7 34. h4 Rc2 35. h5 gxh5 36. gxh5 R7xc3 37. Nd3 Rd2 38. Nb4 Rxf3+ 39. Rxf3 a5 40. Nc6 Rxa2 41. Rb3 Bf2+ 42. Kf4 Ra4+ 43. Kg5 Kh7 44. h6 Be1 45. Rf3 Bd2+ 46. Kh5 Rf4 47. Rd3 Rf5+ 48. Kg4 Bxh6 49. Nxa5 Rxe5 50. Rh3 Kg6 51. Nc6 Re4+ 52. Kf3 Re3+ 53. Kg4 Rxh3 54. Kxh3 Kf5 55. Kg3 e5 56. Ne7+ Ke6 57. Nc6 f5 58. Nd8+ Ke7 59. Nc6+ Kd6 60. Nd8 Kc5 61. Ne6+ Kc4 62. Kf3 d4 63. Ke2 d3+ 64. Kd1 e4 65. Nd8 e3 66. Nf7 e2+ 67. Ke1 Bf4 68. Nd8 Bg3+ 69. Kd2 e1Q# 0-1

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.23"]
[Round "9"]
[White "Pena, Alcides"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1567"]
[BlackElo "1461"]
[PlyCount "49"]
[EventDate "2022.10.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. h3 Qc7 8. Be3 Rd8 9. Qd2 e5 10. Rfd1 Nfd7 11. Bg5 f6 12. Be3 b5 13. a3 Bb7 14. Rac1 Qa5 15. b4 Qc7 16. Na2 Nf8 17. c4 bxc4 18. Bxc4+ Kh8 19. Nc3 Qe7 20. dxe5 fxe5 21. Ng5 d5 22. exd5 Rd6 23. Bc5 h6 24. Bxd6 Qxd6 25. Nf7+ 1-0

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.23"]
[Round "10"]
[White "Sanchez Ospina, William"]
[Black "Luna Monsalve, Sofia"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1461"]
[BlackElo "1415"]
[PlyCount "144"]
[EventDate "2022.10.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nf3 Qb6 6. Na3 c4 7. Qc1 Bf5 8. Be2 e6 9. h3 Bxa3 10. bxa3 h6 11. 0-0 0-0 12. Bd6 Rfe8 13. Bc5 Qc7 14. a4 Ne4 15. Ba3 Qa5 16. Bb2 Qxa4 17. Nh4 Bh7 18. f3 Ng3 19. Bd1 Qa5 20. f4 Nxf1 21. Kxf1 Bd3+ 22. Kf2 Qd8 23. g3 f6 24. Bh5 Re7 25. Ba3 Rc7 26. Qd1 e5 27. f5 Qd7 28. Bg6 Ne7 29. Bxe7 Qxe7 30. Qa4 exd4 31. cxd4 Qd7 32. Qa3 b5 33. g4 a5 34. Rg1 b4 35. Qc1 b3 36. Qa3 Rb8 37. axb3 cxb3 38. Ng2 b2 39. Qxd3 Qa4 40. Qa6 Qc6 41. Qxa5 b1Q 42. Rxb1 Rxb1 43. Nf4 Qc2+ 44. Ne2 Qc6 45. Nf4 Rb5 46. Qa3 Qb7 47. Ne6 Rc8 48. Kf3 Rb6 49. h4 Ra6 50. Qd3 Raa8 51. Qf1 Qb3 52. Nc5 Rxc5 53. dxc5 d4 54. Qc1 Ra3 55. c6 Qxe3+ 56. Qxe3 Rxe3+ 57. Kf2 Re7 58. g5 fxg5 59. hxg5 hxg5 60. Bh5 Kh7 61. Kg3 Rc7 62. Bf3 g6 63. Kg4 Kh6 64. Be4 gxf5+ 65. Kxf5 Kh5 66. Bf3+ Kh4 67. Ke5 d3 68. Kd6 Rc8 69. Kd7 Rxc6 70. Kxc6 g4 71. Bd1 g3 72. Kd5 g2 0-1

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.22"]
[Round "7"]
[White "Sanchez Ospina, William"]
[Black "Velez Alvarez, Laura Camila"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1461"]
[BlackElo "1798"]
[PlyCount "60"]
[EventDate "2022.10.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nd2 0-0 5. Be2 d6 6. h4 c5 7. h5 Nc6 8. hxg6 fxg6 9. Ngf3 cxd4 10. exd4 Ng4 11. Be3 Bf5 12. c3 e5 13. Qb3+ d5 14. Qxb7 Rc8 15. Bg5 Qe8 16. Kf1 Rb8 17. Qa6 e4 18. Nh2 Bc8 19. Nxg4 Bxa6 20. Bxa6 Rxb2 21. a4 Qe6 22. Nh6+ Bxh6 23. Rxh6 Qf5 24. Be3 Rxd2 25. Be2 Rb2 26. g4 Qf7 27. Rc1 Na5 28. Rh2 Nc4 29. Bxc4 dxc4 30. Bh6 Rxf2+ 0-1

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.22"]
[Round "8"]
[White "Valencia Quinchia, Isabella"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1473"]
[BlackElo "1461"]
[PlyCount "91"]
[EventDate "2022.10.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 c6 6. Qd2 b5 7. a3 Bb7 8. Bd3 a5 9. Nh3 Nfd7 10. 0-0 0-0 11. Ne2 e5 12. c3 Nb6 13. Bh6 Nc4 14. Qc1 Bc8 15. Bxg7 Kxg7 16. Nf2 Be6 17. f4 f5 18. exf5 Bxf5 19. b3 Nb6 20. Bxf5 Rxf5 21. fxe5 dxe5 22. Ng3 Rf4 23. dxe5 Qf8 24. Nfe4 Rxf1+ 25. Qxf1 Qxf1+ 26. Rxf1 N8d7 27. e6 Ne5 28. Nd6 Nd5 29. Nge4 Rf8 30. Rd1 Ne7 31. a4 bxa4 32. bxa4 Ng4 33. Rb1 Ne3 34. Nf7 Rxf7 35. exf7 Kxf7 36. Rb7 h6 37. Ra7 Nc4 38. Nc5 Kf6 39. Ra6 Ke5 40. Nb3 Kd5 41. Nxa5 Nxa5 42. Rxa5+ Kc4 43. Re5 Nd5 44. a5 Nxc3 45. a6 c5 46. a7 1-0

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.21"]
[Round "6"]
[White "Cabrera Novoa, Roxana"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1149"]
[BlackElo "1461"]
[PlyCount "68"]
[EventDate "2022.10.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bg5 h6 5. Bh4 c6 6. Qd2 Qb6 7. 0-0-0 a5 8. Na4 Qc7 9. f3 b5 10. Nc3 Ba6 11. Bf2 Nd7 12. Bd3 Ngf6 13. Nge2 Nb6 14. h4 h5 15. Be3 Nc4 16. Bxc4 bxc4 17. Na4 Bb5 18. Nec3 Nd7 19. Nxb5 cxb5 20. Nc3 Qb7 21. Nd5 Nb6 22. Nxb6 Qxb6 23. Rhe1 b4 24. c3 bxc3 25. Qxc3 0-0 26. Re2 Rfc8 27. d5 Qb7 28. Bd4 Bxd4 29. Qxd4 Qb5 30. Qc3 Rab8 31. Rc2 Qb4 32. Rd4 a4 33. Rxc4 Rxc4 34. Qxc4 Qe1# 0-1

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.20"]
[Round "3"]
[White "Ruiz Jaraba, Valentina Sofia"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1835"]
[BlackElo "1461"]
[PlyCount "37"]
[EventDate "2022.10.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Be3 0-0 9. 0-0-0 a5 10. g4 Qc7 11. e5 Nfd7 12. h4 b5 13. h5 dxe5 14. dxe5 b4 15. Ne4 Rd8 16. hxg6 fxg6 17. Bc4+ Kh8 18. Rxh7+ Kxh7 19. Ng5+ 1-0

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.20"]
[Round "4"]
[White "Sanchez Ospina, William"]
[Black "Alzate Velez, Valentin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1461"]
[BlackElo "1324"]
[PlyCount "38"]
[EventDate "2022.10.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 d5 5. Nf3 Bd6 6. Ne5 0-0 7. Bd3 b6 8. h4 Bb7 9. Nd2 Nc6 10. Ndf3 Rc8 11. Ng5 h6 12. Qe2 Bxe5 13. dxe5 Nd7 14. Nh7 Re8 15. Bg5 hxg5 16. Qh5 Ncxe5 17. Nxg5 Nf6 18. Bh7+ Kf8 19. f4 Nxh5 0-1

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.19"]
[Round "1"]
[White "Ospina Castro, Santiago"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2054"]
[BlackElo "1461"]
[PlyCount "91"]
[EventDate "2022.10.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Nc6 7. d5 Ne5 8. Nxe5 dxe5 9. Bc4 Bg4 10. f3 Bd7 11. Be3 a6 12. a4 Qc8 13. Qe2 e6 14. dxe6 Bxe6 15. Rfd1 Re8 16. a5 Bf8 17. Na4 Bxc4 18. Qxc4 Re6 19. Qb3 Rb8 20. Ba7 Ra8 21. Be3 Nd7 22. Rd5 Rb8 23. Rad1 Bd6 24. c4 Nf6 25. R5d3 Qe8 26. c5 Be7 27. Nc3 c6 28. Na4 Qf8 29. Qc3 h6 30. b4 g5 31. Nb6 Qg7 32. g4 h5 33. h3 hxg4 34. hxg4 Re8 35. Nc4 Nh7 36. Nd6 Bxd6 37. cxd6 Rd8 38. d7 Qh6 39. Kg2 Nf8 40. Qd2 Rg6 41. Rh1 Qg7 42. Bb6 Ne6 43. Bxd8 Nf4+ 44. Qxf4 gxf4 45. Bg5 Rxg5 46. d8Q+ 1-0

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.19"]
[Round "2"]
[White "Sanchez Ospina, William"]
[Black "Molina Ballesteros, Juan Sebastian"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1461"]
[BlackElo "1819"]
[PlyCount "92"]
[EventDate "2022.10.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Bd3 Be7 6. Nbd2 d6 7. Qe2 Nbd7 8. Bg3 c5 9. c3 Nh5 10. e4 Rc8 11. 0-0 0-0 12. a4 Nxg3 13. fxg3 Bf6 14. e5 dxe5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. Rad1 Bf6 18. Nc4 Qe7 19. Ne5 g6 20. Ng4 Bg7 21. Qe3 Rfd8 22. Ne5 Bxe5 23. Qxe5 Rd5 24. Qe3 Rcd8 25. Be2 Rxd1 26. Bxd1 Qd7 27. h4 Qd2 28. Qe2 Qxe2 29. Bxe2 Rd2 30. Rf2 Rxb2 31. h5 Bc6 32. h6 Bxa4 33. Ba6 Rxf2 34. Kxf2 Kf8 35. Ke3 Bc6 36. Kf2 b5 37. g4 Ke7 38. g5 Kd6 39. Ke3 Kd5 40. Kf4 b4 41. cxb4 cxb4 42. Bd3 Kd4 43. Bb1 a5 44. g3 a4 45. g4 b3 46. Kg3 a3 0-1

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.07"]
[Round "8"]
[White "Lopez Guarin, Simon"]
[Black "Sanchez Ospina, William"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "1555"]
[BlackElo "1458"]
[PlyCount "34"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 d6 3. d4 Bg7 4. Bg2 Nf6 5. 0-0 0-0 6. c4 Nc6 7. Nc3 Bf5 8. Bg5 h6 9. Bd2 Kh7 10. Qc1 Qd7 11. Rd1 Ne4 12. Nxe4 Bxe4 13. Ng5+ hxg5 14. Bxe4 Nxd4 15. Re1 Rab8 16. Bc3 Ne6 17. Bd2 g4 1/2-1/2

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.05"]
[Round "5"]
[White "Sanchez Ospina, William"]
[Black "Cardona, Marisol"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1458"]
[BlackElo "1244"]
[PlyCount "37"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. a3 c6 6. Nc3 Bd6 7. Ne5 Nbd7 8. Bg3 Qc7 9. f4 Ne4 10. Bd3 Nxc3 11. bxc3 Bxd3 12. cxd3 c5 13. 0-0 f6 14. Qh5+ g6 15. Nxg6 0-0-0 16. Nxh8 Rxh8 17. Rfc1 c4 18. dxc4 Qxc4 19. Qf7 1-0

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.04"]
[Round "2"]
[White "Rosado Perez, Maria Jose"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1811"]
[BlackElo "1458"]
[PlyCount "99"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 c6 6. Bd3 e5 7. Nge2 0-0 8. Qd2 b5 9. a3 Na6 10. b4 Nc7 11. h4 exd4 12. Nxd4 Bb7 13. g4 Nd7 14. Rd1 Qe7 15. Nb3 d5 16. Kf2 Rfe8 17. Na5 d4 18. Bg5 f6 19. Bf4 dxc3 20. Qe3 Ne6 21. Nxb7 Nxf4 22. Qxf4 Ne5 23. Nc5 Rad8 24. Qe3 Rd6 25. Be2 Red8 26. Qxc3 f5 27. Qb3+ Kh8 28. g5 fxe4 29. Nxe4 Rxd1 30. Rxd1 Rxd1 31. Bxd1 Nc4 32. Qd3 h6 33. f4 Qf8 34. Kg3 Kh7 35. h5 hxg5 36. Nxg5+ Kg8 37. Qxg6 Qf6 38. Qe8+ Bf8 39. Qe6+ Kg7 40. Qxf6+ Kxf6 41. Nh7+ Kg7 42. Nxf8 Kxf8 43. Kh4 Nxa3 44. h6 Nc4 45. Bf3 Ne3 46. c3 Nf5+ 47. Kg5 Ne7 48. f5 Nd5 49. Bxd5 cxd5 50. f6 1-0

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.04"]
[Round "3"]
[White "Sanchez Ospina, William"]
[Black "Salguero, Miguel Angel"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1458"]
[BlackElo "1242"]
[PlyCount "29"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Bf4 g6 4. e3 Bg7 5. h3 Nbd7 6. c4 0-0 7. Be2 b6 8. 0-0 Bb7 9. Nc3 Re8 10. Qc2 h6 11. Rad1 c5 12. d5 a6 13. e4 Qc7 14. Rfe1 Ne5 15. a3 1-0

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2022.07.11"]
[Round "6"]
[White "Sanchez Ospina, William"]
[Black "Siabato, Abril"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1463"]
[PlyCount "49"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Bd3 Bd6 5. Bxd6 Qxd6 6. f4 c5 7. c3 0-0 8. Nd2 b6 9. Ngf3 Bb7 10. Qe2 Ne4 11. 0-0 Nd7 12. Ne5 Nxd2 13. Qxd2 f6 14. Nxd7 Qxd7 15. Rf3 e5 16. dxe5 fxe5 17. Raf1 Qc7 18. Rh3 h6 19. f5 Bc8 20. e4 d4 21. Rg3 Rf6 22. Bc4+ Kh8 23. Rg6 Qe7 24. Qe2 Bd7 25. Bd5 1-0

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2022.07.11"]
[Round "7"]
[White "Zabala, Fidel"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1930"]
[BlackElo "1463"]
[PlyCount "57"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 d6 2. c4 Nf6 3. Nc3 c5 4. g3 Nc6 5. Bg2 g6 6. h3 Bg7 7. Nge2 Be6 8. d3 a6 9. 0-0 h5 10. Nf4 Bd7 11. Re1 0-0 12. Be3 Qc8 13. Kh2 Rb8 14. Qd2 Nd4 15. Nfd5 Qd8 16. Bh6 b5 17. Bxg7 Kxg7 18. e5 Nxd5 19. Nxd5 Bc6 20. Nf4 Bxg2 21. Kxg2 bxc4 22. Nxh5+ gxh5 23. Qg5+ Kh7 24. Qxh5+ Kg7 25. Qg5+ Kh7 26. Re4 Nf5 27. Qxf5+ Kh6 28. Rh4+ Kg7 29. Qh7# 1-0

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2022.07.10"]
[Round "5"]
[White "Martinez, Mauricio"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1898"]
[BlackElo "1463"]
[PlyCount "107"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. f3 Bg7 5. Be3 e5 6. dxe5 dxe5 7. Nc3 0-0 8. Qd2 Nc6 9. Bg5 Nb4 10. Rd1 c6 11. a3 Nxd3+ 12. Qxd3 Qb6 13. Bc1 Rd8 14. Qe3 Rxd1+ 15. Nxd1 Be6 16. Qxb6 axb6 17. Be3 Rd8 18. Kf2 Nd7 19. Ne2 Bf8 20. Ndc3 b5 21. Rd1 f5 22. Bc1 f4 23. g3 g5 24. g4 Be7 25. h3 Kg7 26. Kg2 h5 27. Kf2 hxg4 28. hxg4 Rh8 29. Kg2 Kg6 30. Rh1 Rh4 31. Rxh4 gxh4 32. Kh3 Kg7 33. Bd2 Nf8 34. Be1 Ng6 35. Nc1 Bc4 36. Nd3 Bxd3 37. cxd3 Kf7 38. Bf2 Bd8 39. b3 Kg7 40. a4 bxa4 41. bxa4 Be7 42. Bg1 c5 43. Nd5 Bd8 44. Nc3 Kf7 45. Nb5 Kg7 46. Nd6 Kf8 47. Nf5 Kf7 48. Bf2 Ke8 49. Bxh4 Bxh4 50. Nxh4 Ne7 51. g5 Kf7 52. Kg4 Nc6 53. g6+ Kg7 54. Kg5 1-0

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2022.07.10"]
[Round "4"]
[White "Sanchez Ospina, William"]
[Black "Restrepo Cifuentes, Luciana"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1463"]
[BlackElo "1525"]
[PlyCount "59"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. e3 e6 4. Nd2 Bd6 5. Bxd6 Qxd6 6. f4 Nf6 7. Ngf3 Bg4 8. Be2 Bxf3 9. Nxf3 Ne4 10. 0-0 Nd7 11. c4 c6 12. Qb3 b6 13. Rac1 Rb8 14. Rfd1 h6 15. cxd5 cxd5 16. Ne5 Nxe5 17. dxe5 Qe7 18. Bb5+ Kf8 19. Rc6 g5 20. f5 exf5 21. Qxd5 Nc5 22. Rd6 Kg7 23. b4 Nb7 24. Rd7 Qf8 25. e6 Qxb4 26. Qxf5 Rhf8 27. Bd3 Nc5 28. Rxf7+ Rxf7 29. Qxf7+ Kh8 30. Qh7# 1-0

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2022.07.09"]
[Round "2"]
[White "Sanchez Ospina, William"]
[Black "Franco Guerrero, Jaime"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1463"]
[PlyCount "78"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. e3 Nf6 4. Nd2 Bf5 5. c3 e6 6. Ngf3 a6 7. Be2 Be7 8. Ne5 Nxe5 9. Bxe5 0-0 10. g4 Bg6 11. h4 Nd7 12. h5 Be4 13. f3 Bh4+ 14. Kf1 Nxe5 15. dxe5 Qg5 16. f4 Qe7 17. Nxe4 dxe4 18. Qc2 f5 19. g5 h6 20. gxh6 gxh6 21. Rg1+ Kh7 22. Bc4 Rg8 23. Ke2 Rg3 24. Rxg3 Bxg3 25. Rg1 Rg8 26. Qb3 Qh4 27. Kd1 Qxh5+ 28. Kc1 Qf3 29. Qd1 Qxe3+ 30. Kb1 Qxf4 31. Qd7+ Rg7 32. Qxe6 Qf2 33. Rf1 Qc5 34. Qxf5+ Kh8 35. Qxe4 Bxe5 36. Qh4 Qd6 37. Qh3 Qd8 38. Qxh6+ Rh7 39. Rf8+ Qxf8 1-0

[Event "Medellin U2000 op"]
[Site "Medellin"]
[Date "2022.05.22"]
[Round "6"]
[White "Garcia, Andres Felipe"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B08"]
[BlackElo "1421"]
[PlyCount "43"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg7 5. Bc4 0-0 6. Be3 Nxe4 7. Bxf7+ Rxf7 8. Nxe4 d5 9. Neg5 Rf6 10. Ne5 Nc6 11. c3 Nxe5 12. dxe5 Rf5 13. f4 e6 14. 0-0 Qe7 15. Qe1 h6 16. Nf3 c5 17. Qh4 Bf8 18. Qg4 Qg7 19. Nh4 h5 20. Nxf5 exf5 21. Qe2 Be7 22. Rfd1 1-0

[Event "Medellin U2000 op"]
[Site "Medellin"]
[Date "2022.05.22"]
[Round "7"]
[White "Sanchez Ospina, William"]
[Black "Lopez Restrepo, Arlex"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1421"]
[BlackElo "1198"]
[PlyCount "91"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. c3 e6 4. e3 Bd6 5. Bg3 Nf6 6. Nd2 Nbd7 7. Bxd6 cxd6 8. Ngf3 Nh5 9. Qb3 Rb8 10. Bb5 0-0 11. 0-0 a6 12. Be2 b5 13. Qa3 Qb6 14. Nh4 Nhf6 15. Nxf5 exf5 16. Rfc1 Ne4 17. Nf1 Rfe8 18. Bd3 g6 19. Qb3 Ndf6 20. Qd1 b4 21. h4 Nh5 22. Be2 a5 23. c4 dxc4 24. Rxc4 Qd8 25. Bxh5 gxh5 26. Qxh5 Qf6 27. f3 d5 28. Rc7 Nd6 29. Rc6 Re6 30. b3 Nb5 31. Rxe6 Qxe6 32. f4 Nc3 33. Qf3 Kh8 34. Kh2 Rg8 35. a3 Qb6 36. Ng3 Qg6 37. axb4 axb4 38. Ra7 Ne4 39. Nxe4 fxe4 40. Qf2 Qc6 41. Rxf7 Qc3 42. f5 Qxb3 43. f6 Qd1 44. Re7 Qh5 45. f7 Rf8 46. Qf6# 1-0

[Event "Medellin U2000 op"]
[Site "Medellin"]
[Date "2022.05.21"]
[Round "4"]
[White "Morales, Luis Eduardo"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1703"]
[BlackElo "1421"]
[PlyCount "111"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. f4 Bg7 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 0-0 8. Be3 c6 9. Nd2 a5 10. 0-0 Na6 11. a3 Nd7 12. e5 dxe5 13. fxe5 e6 14. Qg4 c5 15. c3 Nxe5 16. Qe2 Nxd3 17. Qxd3 cxd4 18. cxd4 Nc7 19. Nf3 Nd5 20. Bg5 Qb6 21. Rf2 h6 22. Bh4 Rac8 23. Bg3 Ne7 24. Rd2 Rfd8 25. Bh4 Rd7 26. Bf2 Rd5 27. Rc2 Rc6 28. Re1 a4 29. Rec1 h5 30. Qe3 Nf5 31. Qf4 Rxc2 32. Rxc2 Qd6 33. Rc8+ Bf8 34. Ne5 Kg7 35. g4 hxg4 36. hxg4 Nh6 37. Be3 Kh7 38. g5 Nf5 39. Qh2+ Kg7 40. Qf4 Rxe5 41. dxe5 Qd1+ 42. Kf2 Qh1 43. Rc1 Qd5 44. Rc2 Qb3 45. Re2 b6 46. Bd4 Nxd4 47. Re3 Qxb2+ 48. Kf1 Bc5 49. Qf6+ Kg8 50. Qd8+ Bf8 51. Qf6 Qc1+ 52. Re1 Qxa3 53. Re2 Qf3+ 54. Qxf3 Nxf3 55. Rc2 Nxe5 56. Kg2 0-1

[Event "Medellin U2000 op"]
[Site "Medellin"]
[Date "2022.05.21"]
[Round "5"]
[White "Sanchez Ospina, William"]
[Black "Care Garcia, Jose Joaquin"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1421"]
[BlackElo "1771"]
[PlyCount "54"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c6 4. c4 dxc4 5. Bxc4 Nbd7 6. Nc3 e6 7. a3 Nb6 8. Bd3 Nbd5 9. Bg3 Nxc3 10. bxc3 b6 11. Nf3 Bb7 12. 0-0 Be7 13. h3 0-0 14. Ne5 c5 15. Qe2 cxd4 16. cxd4 Qd5 17. f3 Rac8 18. Bc4 Qd8 19. Rfd1 Nd5 20. Be1 Bd6 21. Bxd5 Bxd5 22. e4 Bb7 23. Bb4 Re8 24. Rac1 Rxc1 25. Rxc1 Bxb4 26. axb4 Qxd4+ 27. Kh1 Qxe5 0-1

[Event "Medellin U2000 op"]
[Site "Medellin"]
[Date "2022.05.20"]
[Round "3"]
[White "Sanchez Ospina, William"]
[Black "Gomez Rondon, Samuel"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1421"]
[BlackElo "1676"]
[PlyCount "74"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Nf6 3. Bf4 Bg7 4. e3 d6 5. c3 0-0 6. h3 Nbd7 7. Nbd2 b6 8. Bb5 Bb7 9. 0-0 a6 10. Bxd7 Qxd7 11. Re1 Rfe8 12. Qb3 c5 13. Qxb6 Rab8 14. Qa5 Bxf3 15. Nxf3 Rxb2 16. dxc5 Rb5 17. Qa4 Rxc5 18. Qxa6 Nd5 19. Rab1 Nxf4 20. exf4 Bxc3 21. Re2 Bf6 22. Ne1 Rec8 23. Nd3 Rc2 24. Rxc2 Rxc2 25. Rb8+ Kg7 26. a4 Bd4 27. Qa8 Qc6 28. a5 Rxf2 29. Qxc6 Rc2+ 30. Kf1 Rxc6 31. Rb4 Bc3 32. Ra4 Ra6 33. Nb4 Bxb4 34. Rxb4 Rxa5 35. Ke2 f5 36. g4 Ra3 37. gxf5 gxf5 0-1

[Event "Medellin U2000 op"]
[Site "Medellin"]
[Date "2022.05.19"]
[Round "2"]
[White "Alvarado Torres, Carlos Andres"]
[Black "Sanchez Ospina, William"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1760"]
[BlackElo "1421"]
[PlyCount "26"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d5 4. Nf3 e6 5. 0-0 Bd6 6. c4 c6 7. cxd5 cxd5 8. Nc3 a6 9. a3 0-0 10. Bg5 h6 11. Bxf6 Qxf6 12. e3 Nc6 13. b4 Bd7 1/2-1/2

[Event "Medellin U2000 op"]
[Site "Medellin"]
[Date "2022.05.18"]
[Round "1"]
[White "Sanchez Ospina, William"]
[Black "Betancur, Fredy"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1421"]
[BlackElo "1937"]
[PlyCount "85"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Qb6 5. Qb3 Qxb3 6. axb3 Nc6 7. Nd2 Nh5 8. Bg3 Nxg3 9. hxg3 cxd4 10. exd4 b6 11. Bd3 h6 12. Ngf3 d6 13. Bb5 Bd7 14. Nc4 Nb8 15. Nxb6 Bxb5 16. Nxa8 Bc6 17. Rxa7 g5 18. 0-0 Be7 19. Nc7+ Kd8 20. Na6 Nxa6 21. Rxa6 Bb7 22. Ra7 Kc8 23. Rfa1 Kb8 24. Nd2 h5 25. R7a5 h4 26. g4 f5 27. gxf5 g4 28. fxe6 h3 29. d5 Rh5 30. Rb5 Kc8 31. c4 Kb8 32. Ne4 Re5 33. f3 Rf5 34. Rf1 Kc7 35. fxg4 h2+ 36. Kxh2 Rxf1 37. g5 Re1 38. Nf6 Re4 39. Ne8+ Kc8 40. g6 Rh4+ 41. Kg1 Rh8 42. Ng7 Bf6 43. Nf5 1-0

[Event "Medellin Easter op 10th"]
[Site "Medellin"]
[Date "2022.04.17"]
[Round "8"]
[White "Luna Monsalve, Sofia"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1310"]
[BlackElo "1407"]
[PlyCount "40"]
[EventDate "2022.04.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 c6 4. e3 Nf6 5. Nf3 d5 6. c5 Be7 7. Be2 0-0 8. 0-0 Qe8 9. Ne5 Nbd7 10. f4 Nxe5 11. fxe5 Ne4 12. Nxe4 fxe4 13. Rxf8+ Bxf8 14. Bd2 Bd7 15. b4 a6 16. a4 Be7 17. Bh5 g6 18. Be2 Qf8 19. Qf1 Qh6 20. Qf4 Bg5 0-1

[Event "Medellin Easter op 10th"]
[Site "Medellin"]
[Date "2022.04.16"]
[Round "6"]
[White "Bermudez, Tomas Alejandro"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1545"]
[BlackElo "1407"]
[PlyCount "51"]
[EventDate "2022.04.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. Bf4 Nxe4 7. Nxe4 d5 8. Bd3 dxe4 9. Bxe4 c6 10. c3 Bg4 11. h3 Bxf3 12. Qxf3 Nd7 13. 0-0 e5 14. dxe5 Nxe5 15. Qg3 Re8 16. Rad1 Qa5 17. a3 Rac8 18. Rfe1 Nc4 19. Re2 f5 20. Bd3 Rxe2 21. Bxe2 Nxb2 22. Rd7 Re8 23. Be3 Qxc3 24. Rxb7 Nc4 25. Qc7 Nxe3 26. Qf7+ 1-0

[Event "Medellin Easter op 10th"]
[Site "Medellin"]
[Date "2022.04.16"]
[Round "7"]
[White "Sanchez Ospina, William"]
[Black "Restrepo Martinez, Emmanuel"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1407"]
[BlackElo "1407"]
[PlyCount "95"]
[EventDate "2022.04.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 g6 2. Bf4 Bg7 3. e3 d6 4. Bd3 Nd7 5. Nf3 c5 6. c3 Ngf6 7. Nbd2 Nh5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nxg3 11. hxg3 cxd4 12. exd4 Nf6 13. Qe2 Bd7 14. 0-0-0 Qc7 15. Rde1 e6 16. Ne4 0-0-0 17. Nfd2 Bc6 18. f3 Rhe8 19. Nxf6 Bxf6 20. Rxh6 Qe7 21. Qf2 d5 22. f4 Rh8 23. Reh1 g4 24. Qe2 Rdg8 25. Bh7 Rg7 26. Bf5 Rxh6 27. Rxh6 Rg8 28. Rh7 Qe8 29. Bxg4 Rh8 30. Rxh8 Qxh8 31. Bh3 Qg8 32. g4 Bd7 33. Nf3 a6 34. g5 Bd8 35. Ne5 Bb5 36. Qh5 Be8 37. Qe2 Bc7 38. g3 Bxe5 39. Qxe5 Qh7 40. Bg4 Qh1+ 41. Bd1 Qg1 42. g4 Qf2 43. f5 Bd7 44. fxe6 Bxe6 45. g6 Qh4 46. g7 Qh7 47. g5 Qg8 48. Bc2 1-0

[Event "Medellin Easter op 10th"]
[Site "Medellin"]
[Date "2022.04.15"]
[Round "4"]
[White "Castro, Juan Pablo"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1301"]
[BlackElo "1407"]
[PlyCount "90"]
[EventDate "2022.04.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 c6 5. h3 Bg7 6. Be3 0-0 7. Qd2 Qa5 8. g4 e5 9. dxe5 dxe5 10. fxe5 Qxe5 11. Bf4 Qa5 12. Be2 Rd8 13. Qe3 Re8 14. e5 Nd5 15. Qd4 Nxf4 16. Qxf4 Nd7 17. Nf3 Nxe5 18. 0-0 Be6 19. Ne4 Nxf3+ 20. Rxf3 Qe5 21. Qxe5 Bxe5 22. Nf6+ Bxf6 23. Rxf6 Rad8 24. Bd3 Kg7 25. Raf1 h6 26. h4 Rd4 27. R6f4 Red8 28. Be4 Bc4 29. R1f2 g5 30. hxg5 hxg5 31. Rf5 Rxe4 32. Rxg5+ Kf8 33. b3 Rd1+ 34. Kg2 Bd5 35. Kg3 Rg1+ 36. Kh4 Be6 37. Rd2 Rgxg4+ 38. Rxg4 Rxg4+ 39. Kh5 Kg7 40. Re2 Rg1 41. Re5 Rg2 42. Ra5 a6 43. c4 f5 44. Re5 Kf6 45. Re3 Rh2+ 0-1

[Event "Medellin Easter op 10th"]
[Site "Medellin"]
[Date "2022.04.14"]
[Round "3"]
[White "Sanchez Ospina, William"]
[Black "Gallon, Tomas"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1407"]
[PlyCount "65"]
[EventDate "2022.04.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 e6 5. Nf3 Bd6 6. Ne5 c5 7. Be2 Qc7 8. Bg3 Nc6 9. f4 cxd4 10. exd4 0-0 11. 0-0 Nxd4 12. Kh1 Nf5 13. Qd3 Nxg3+ 14. Qxg3 Bxe5 15. fxe5 Nd7 16. Bd3 Qxe5 17. Qh3 h6 18. Rae1 Qd6 19. Be2 b5 20. Rd1 Qc6 21. Qg3 b4 22. Nb1 a5 23. c4 dxc4 24. Bf3 Qa6 25. Bxa8 Qxa8 26. Qc7 Nf6 27. Rd8 Rxd8 28. Qxd8+ Kh7 29. Nd2 Qd5 30. Qxc8 Qxd2 31. Qxc4 Qxb2 32. h3 a4 33. Kg1 1/2-1/2

[Event "Medellin Easter op 10th"]
[Site "Medellin"]
[Date "2022.04.14"]
[Round "2"]
[White "Valencia Lopez, Daily Vanessa"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1716"]
[BlackElo "1407"]
[PlyCount "83"]
[EventDate "2022.04.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 c6 6. Qd2 b5 7. g4 Qa5 8. h4 h5 9. g5 Nfd7 10. f4 e5 11. dxe5 dxe5 12. f5 b4 13. Nce2 Bb7 14. Ng3 c5 15. fxg6 fxg6 16. Bc4 Nc6 17. Bf7+ Kd8 18. 0-0-0 Nd4 19. Kb1 Rf8 20. Bxg6 Nb6 21. b3 c4 22. Nxh5 Bh8 23. Qh2 c3 24. Ne2 Ke7 25. Nxd4 exd4 26. Qc7+ Ke6 27. Bxd4 Qa3 28. Bxc3 bxc3 29. Bf5+ Rxf5 30. exf5+ Kxf5 31. Qf4+ Kg6 32. Rd6+ Qxd6 33. Qxd6+ Kxh5 34. Qh6+ Kg4 35. Qe6+ Kh5 36. Rg1 Bg7 37. Qf7+ Kxh4 38. Qxg7 Bg2 39. Rxg2 Kh3 40. Rg1 Kh2 41. Qd4 Rf8 42. Qg4 1-0

[Event "Medellin Easter op 10th"]
[Site "Medellin"]
[Date "2022.04.13"]
[Round "1"]
[White "Sanchez Ospina, William"]
[Black "Mateus, Martha"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1407"]
[BlackElo "2009"]
[PlyCount "62"]
[EventDate "2022.04.13"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Nf6 5. Nd2 e6 6. Ngf3 Be7 7. Bd3 0-0 8. Ne5 Qb6 9. Rb1 c4 10. Bc2 Qa6 11. g4 Nd7 12. h4 Ncxe5 13. dxe5 Nc5 14. g5 Nd3+ 15. Kf1 Bd7 16. h5 d4 17. Qg4 Qc6 18. Rh2 dxc3 19. bxc3 Be8 20. Nf3 Rd8 21. Nh4 Rd5 22. g6 Bxh4 23. gxh7+ Kxh7 24. Rxh4 Rb5 25. h6 Rxb1+ 26. Bxb1 g6 27. Bg3 Qb5 28. Qd1 Bc6 29. Rd4 Bf3 30. Qxf3 Qxb1+ 31. Kg2 Ne1+ 0-1

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.20"]
[Round "9"]
[White "Chavarro Corredor, Cesar Camilo"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "A23"]
[WhiteElo "1080"]
[BlackElo "1438"]
[PlyCount "77"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 g6 5. d4 exd4 6. Qxd4 h6 7. Nf3 Bg7 8. Ne4 d5 9. Qe5+ Kf8 10. cxd5 Nxd5 11. Qd6+ Qe7 12. 0-0 Na6 13. Rb1 Bf5 14. Nh4 Bxe4 15. Qxe7+ Kxe7 16. Bxe4 Nac7 17. Bxg6 fxg6 18. Nxg6+ Kf7 19. Nxh8+ Rxh8 20. Rd1 Re8 21. Kf1 h5 22. f3 Bf6 23. e4 Nb6 24. b3 Nb5 25. Bb2 Nc3 26. Bxc3 Bxc3 27. Rd3 Bf6 28. Re1 c5 29. f4 Bd4 30. b4 Re7 31. e5 Ke6 32. Rc1 Na4 33. bxc5 Bxc5 34. Rxc5 Nxc5 35. Rd6+ Kf5 36. Ke2 Ne4 37. Rh6 Nc3+ 38. Kf3 Nxa2 39. Rf6# 1-0

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.20"]
[Round "8"]
[White "Sanchez Ospina, William"]
[Black "Torres, Saulo de Jesus"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1438"]
[BlackElo "1690"]
[PlyCount "46"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. a3 Bxc3+ 7. bxc3 Nd5 8. c4 Nxf4 9. exf4 Qf6 10. Be2 Qxf4 11. 0-0 0-0 12. c3 Nc6 13. Rb1 d6 14. d5 Ne7 15. Rb4 Qf6 16. dxe6 fxe6 17. Qd4 e5 18. Qh4 Ng6 19. Qxf6 Rxf6 20. Nd2 Raf8 21. f3 Nf4 22. Rf2 e4 23. fxe4 Nh3+ 0-1

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.19"]
[Round "6"]
[White "Sanchez Ospina, William"]
[Black "Molina Espitia, Miller Andres"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1438"]
[PlyCount "55"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. Bf4 e6 4. e3 Bd6 5. Bg3 c6 6. Nbd2 Nf6 7. c4 Ne4 8. Qb3 Bxg3 9. hxg3 Qc7 10. Rc1 Qb6 11. c5 Qc7 12. Qd1 Nd7 13. b4 Ndf6 14. Ne5 Nxd2 15. Qxd2 Ne4 16. Qb2 f6 17. g4 fxe5 18. gxf5 exd4 19. Qxd4 exf5 20. b5 Qa5+ 21. Ke2 Qxa2+ 22. Kd1 Nxf2+ 23. Ke1 0-0-0 24. Ra1 Qc2 25. bxc6 bxc6 26. Ba6+ Kb8 27. Qb4+ Kc7 28. Qb7# 1-0

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.19"]
[Round "7"]
[White "Tipiani Martinez, Paula Sofia"]
[Black "Sanchez Ospina, William"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1283"]
[BlackElo "1438"]
[PlyCount "88"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. h3 Qa5 7. g4 b5 8. Bg2 Bb7 9. Nge2 b4 10. Nb1 Nbd7 11. Ng3 c5 12. c3 Qb5 13. a4 bxc3 14. Nxc3 Qb4 15. 0-0 0-0 16. dxc5 Nxc5 17. g5 Nfd7 18. Nd5 Qxd2 19. Nxe7+ Kh8 20. Bxd2 Bxb2 21. Ra2 Be5 22. f4 Bd4+ 23. Kh1 Rfe8 24. Nd5 Rac8 25. Nc3 Nb3 26. Nb5 Nxd2 27. Rxd2 Bc5 28. Nxd6 Bxd6 29. Rxd6 Nc5 30. a5 Nxe4 31. Bxe4 Bxe4+ 32. Nxe4 Rxe4 33. Rd7 Kg7 34. Rxa7 Rc3 35. f5 Rxh3+ 36. Kg2 Ra3 37. fxg6 Re2+ 38. Kg1 Kxg6 39. Rfxf7 Ra1+ 40. Rf1 Rxf1+ 41. Kxf1 Ra2 42. a6 Ra5 43. Ra8 Kxg5 44. a7 Kh4 1/2-1/2

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.18"]
[Round "4"]
[White "Sanchez Ospina, William"]
[Black "Ramirez, Cristian Camilo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1438"]
[BlackElo "1780"]
[PlyCount "95"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. Nf3 c5 4. c3 Nc6 5. e3 Qb6 6. Qb3 c4 7. Qc2 Bf5 8. Qc1 h6 9. Nbd2 Rc8 10. Be2 e6 11. 0-0 Be7 12. Ne5 Bh7 13. Re1 0-0 14. h3 Qd8 15. a4 Ne4 16. Nxe4 Bxe4 17. Bg4 Na5 18. Qd1 Nb3 19. Ra2 Bh4 20. Bf3 f6 21. Ng4 Bg5 22. Bg3 h5 23. Nh2 g6 24. Bxe4 dxe4 25. Qc2 Qd5 26. f3 f5 27. Be5 Be7 28. Qf2 Bd6 29. Qg3 Bxe5 30. Qxe5 Qxe5 31. dxe5 Rc5 32. f4 Rd8 33. Nf1 h4 34. Kf2 Rcd5 35. g3 hxg3+ 36. Kxg3 a5 37. Kh4 Kf7 38. Kg3 Rd1 39. Kf2 Rxe1 40. Kxe1 Rh8 41. Nd2 Nxd2 42. Kxd2 Rxh3 43. Ra3 Rh2+ 44. Kc1 Re2 45. b4 Ke7 46. Kd1 Rxe3 47. Kd2 Rf3 48. Ke2 0-1

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.18"]
[Round "5"]
[White "Zea Parra, Luis Estiven"]
[Black "Sanchez Ospina, William"]
[Result "1/2-1/2"]
[ECO "B06"]
[BlackElo "1438"]
[PlyCount "105"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Bg4 5. Bc4 c6 6. h3 Bxf3 7. Qxf3 d5 8. exd5 Nf6 9. dxc6 Nxc6 10. d5 Ne5 11. Qe2 Nxc4 12. Qxc4 0-0 13. 0-0 Rc8 14. Qd3 a6 15. Re1 Re8 16. Bg5 h6 17. Bf4 b5 18. d6 exd6 19. Rxe8+ Nxe8 20. Rd1 Qf6 21. Nd5 Qd8 22. c3 Kh7 23. Re1 Nf6 24. Nxf6+ Qxf6 25. Qxd6 Qxd6 26. Bxd6 Rd8 27. Ba3 a5 28. Re7 Kg8 29. Ra7 Be5 30. g3 b4 31. cxb4 axb4 32. Bxb4 Bxb2 33. a4 Rd1+ 34. Kg2 Ra1 35. a5 Ra2 36. Bc5 Kg7 37. a6 Ra5 38. Bb6 Ra4 39. Ra8 Bd4 40. Bxd4+ Rxd4 41. a7 Ra4 42. Kf3 Kf6 43. Ke3 h5 44. f3 g5 45. h4 gxh4 46. gxh4 Kf5 47. Kf2 Kf4 48. Ke2 Ra2+ 49. Kd3 Kxf3 50. Kc4 f5 51. Kb5 f4 52. Kb6 Rb2+ 53. Kc7 1/2-1/2

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.17"]
[Round "3"]
[White "Mosquera Caro, Miguel"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1438"]
[PlyCount "138"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. f4 e6 4. Nf3 Nbd7 5. Nbd2 c5 6. c3 a6 7. Bd3 Be7 8. 0-0 Ng4 9. Qe2 f5 10. Ne5 Ndxe5 11. fxe5 Bg5 12. Nf3 Be7 13. h3 h5 14. Bd2 c4 15. Bc2 b5 16. Nh2 Nxh2 17. Kxh2 Bh4 18. Bc1 Bg5 19. b3 Bb7 20. a4 Bc6 21. axb5 Bxb5 22. bxc4 Bxc4 23. Bd3 Bxd3 24. Qxd3 a5 25. Qb5+ Kf7 26. Bd2 Qc7 27. Rfb1 Rhb8 28. Qa4 Bd8 29. Bc1 Rb7 30. Ba3 Bg5 31. Bc1 Rxb1 32. Rxb1 Ra7 33. Bd2 Qd7 34. Qxd7+ Rxd7 35. Ra1 Ra7 36. Kg3 Ke7 37. Kf3 Kd7 38. Ke2 Kc6 39. Kd3 a4 40. c4 Be7 41. c5 g5 42. g3 Bd8 43. Bb4 Kb5 44. Rb1 Kc6 45. Ba3 Ba5 46. Bb4 Bd8 47. Kc3 h4 48. gxh4 g4 49. hxg4 fxg4 50. Ba3 Bxh4 51. Rb6+ Kd7 52. Rb8 g3 53. Rg8 Kc6 54. Rg4 Rh7 55. Kb4 Rh5 56. Rg6 Bg5 57. Rxe6+ Kd7 58. Rd6+ Kc7 59. e6 g2 60. Rd7+ Kc8 61. Kb5 g1Q 62. Kc6 Bd8 63. Ra7 Kb8 64. Rb7+ Ka8 65. Rd7 Qg5 66. Kb5 Rh8 67. c6 Qxe3 68. Bc5 Qb3+ 69. Ka6 Qc4# 0-1

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.17"]
[Round "2"]
[White "Sanchez Ospina, William"]
[Black "Zambrano Vargas, Jesus Andres"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1438"]
[BlackElo "1643"]
[PlyCount "74"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. Nf3 c5 4. c3 Nc6 5. e3 Qb6 6. Qc1 cxd4 7. exd4 Bf5 8. Nbd2 e6 9. Ne5 Rc8 10. Nxc6 bxc6 11. a4 Be7 12. Be2 0-0 13. 0-0 c5 14. dxc5 Bxc5 15. Ra2 Ne4 16. Nxe4 Bxe4 17. Qd1 Rfe8 18. Bb5 Re7 19. b4 Bd6 20. Bg5 f6 21. Be3 Qb8 22. Qd2 Bxh2+ 23. Kh1 Be5 24. Rc1 Rd8 25. f3 Bg6 26. Qe2 d4 27. cxd4 Bxd4 28. Rc6 Bxe3 29. Ra1 Qf4 30. g4 Rd2 31. Rc8+ Kf7 32. Qxd2 Bxd2 33. Kg2 h5 34. Rh1 hxg4 35. Rhh8 Qxf3+ 36. Kg1 Be3+ 37. Kh2 Qf2+ 0-1

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.16"]
[Round "1"]
[White "Cardenas Blandon, Jefferson Alexis"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "A01"]
[BlackElo "1438"]
[PlyCount "40"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 a6 4. a3 d5 5. g3 Nf6 6. d3 Be7 7. f3 0-0 8. Bg2 Re8 9. Ne2 Rb8 10. Kf2 b5 11. Qd2 Bb7 12. e4 Bc5+ 13. d4 exd4 14. Bxd4 Nxd4 15. Nxd4 dxe4 16. fxe4 Bxd4+ 17. Kf3 Bxe4+ 18. Kf4 Qd6+ 19. Kg5 Qe5+ 20. Kh4 Qh5# 0-1

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.10"]
[Round "8"]
[White "Rico Quintero, Mauricio"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1654"]
[BlackElo "1427"]
[PlyCount "57"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Bc4 c6 6. Qd2 0-0 7. 0-0-0 b5 8. Bxf6 bxc4 9. Bxg7 Kxg7 10. h4 h5 11. Nge2 a5 12. f3 a4 13. a3 Ra5 14. Rdg1 Be6 15. d5 cxd5 16. exd5 Bd7 17. g4 Rh8 18. gxh5 Rxh5 19. Nf4 Qh8 20. Nxh5+ Qxh5 21. Rg5 Qxf3 22. Rhg1 Na6 23. h5 Kf8 24. hxg6 f6 25. g7+ Kg8 26. Qh2 Qe3+ 27. Kb1 Qh3 28. Qxh3 Bxh3 29. Rh5 1-0

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.09"]
[Round "7"]
[White "Velez, Andres Felipe"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1811"]
[BlackElo "1427"]
[PlyCount "101"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 d6 3. Nf3 Bg7 4. d4 c6 5. 0-0 Bg4 6. h3 Bxf3 7. Bxf3 e5 8. dxe5 Bxe5 9. Nd2 d5 10. c3 Nd7 11. e4 Ne7 12. exd5 0-0 13. dxc6 Nxc6 14. Nc4 h5 15. Nxe5 Ndxe5 16. Bg2 Qf6 17. Bf4 Rad8 18. Bxe5 Nxe5 19. Qc2 Nf3+ 20. Bxf3 Qxf3 21. Rae1 Rfe8 22. b3 h4 23. Kh2 Rxe1 24. Rxe1 hxg3+ 25. fxg3 Rd3 26. Rg1 f5 27. Qg2 Rxc3 28. Qxf3 Rxf3 29. Rg2 Kf7 30. Rc2 Kf6 31. Kg2 Re3 32. Kf2 Re4 33. Rc7 Re7 34. Rc4 a6 35. Kf3 g5 36. a4 Re6 37. b4 b6 38. b5 axb5 39. axb5 Ke5 40. Rc6 Rd6 41. Rxd6 Kxd6 42. h4 gxh4 43. gxh4 Ke5 44. h5 f4 45. h6 Kf6 46. Kxf4 Kg6 47. Ke5 Kxh6 48. Kd6 Kg7 49. Kc6 Kf7 50. Kxb6 Ke7 51. Kc7 1-0

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.08"]
[Round "4"]
[White "Gomez, Hernan Alberto"]
[Black "Sanchez Ospina, William"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "1704"]
[BlackElo "1427"]
[PlyCount "28"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 f5 5. Nf3 fxe4 6. Nxe4 Nf6 7. Bd3 Nbd7 8. Neg5 Nb6 9. a4 Bd7 10. Nxh7 Nxh7 11. Bxg6+ Kf8 12. Qc2 Nf6 13. Ng5 e5 14. dxe5 Qe7 1/2-1/2

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.08"]
[Round "5"]
[White "Sanchez Ospina, William"]
[Black "Vanegas, Josue"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1427"]
[BlackElo "1814"]
[PlyCount "58"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 g6 2. Bf4 Bg7 3. e3 d6 4. Nd2 Nf6 5. Ngf3 Nh5 6. c3 Nxf4 7. exf4 0-0 8. Bd3 c5 9. 0-0 cxd4 10. cxd4 Nc6 11. Qa4 e5 12. f5 exd4 13. a3 Ne5 14. Nxe5 dxe5 15. fxg6 hxg6 16. Rac1 Bd7 17. Qb4 Bc6 18. Ne4 a5 19. Qc5 Rc8 20. Nd6 Qg5 21. f3 Bxf3 22. Rxf3 Rxc5 23. Rxc5 Qe7 24. Rd5 Qc7 25. b3 Qc1+ 26. Bf1 Qxa3 27. Nxb7 e4 28. Rf4 Qxb3 29. Rd7 Qe3+ 0-1

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.07"]
[Round "2"]
[White "Gaviria Trejos, Santiago"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1427"]
[PlyCount "92"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. b3 Bg4 6. h3 Bxf3 7. Qxf3 0-0 8. Bd3 c6 9. e5 dxe5 10. dxe5 Nd5 11. Nxd5 Qxd5 12. Qxd5 cxd5 13. Bb2 Nc6 14. f4 a6 15. 0-0 Rac8 16. c4 Nb4 17. Be2 Rfd8 18. Ba3 Nc2 19. Bxe7 Re8 20. Bg4 Ra8 21. Rac1 Ne3 22. Rf3 Nxg4 23. hxg4 Rxe7 24. cxd5 Rd7 25. d6 h6 26. Rc7 Rad8 27. Rfc3 g5 28. g3 Kh7 29. Rc8 gxf4 30. gxf4 Kg6 31. Rxd8 Rxd8 32. Rc7 b6 33. d7 h5 34. gxh5+ Kf5 35. Kf2 Kxf4 36. Rc8 Rxd7 37. Rg8 Bxe5 38. h6 f5 39. Ke2 Rh7 40. Rg6 Bd4 41. Kd3 Ke5 42. Kc4 Be3 43. a4 Rxh6 44. Rxh6 Bxh6 45. b4 f4 46. b5 a5 0-1

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.07"]
[Round "3"]
[White "Sanchez Ospina, William"]
[Black "Pereira Vera, Henry Alberto"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1427"]
[BlackElo "1803"]
[PlyCount "68"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. c3 Nd5 5. Bg3 Qb6 6. Qb3 Nc6 7. e3 cxd4 8. exd4 d6 9. Nbd2 Qxb3 10. axb3 f5 11. Bc4 Nb6 12. 0-0 Be7 13. Rfe1 d5 14. Bb5 0-0 15. Bc7 Bd7 16. Bxc6 Bxc6 17. h4 Kf7 18. Re3 Bf6 19. Rae1 Rfe8 20. Be5 Nd7 21. Ng5+ Bxg5 22. hxg5 h6 23. gxh6 Nxe5 24. Rxe5 gxh6 25. R1e3 Bd7 26. Rh3 Rh8 27. f4 Rag8 28. Kf2 Rg4 29. g3 h5 30. Kf3 Kf6 31. Re1 Rg7 32. Reh1 Be8 33. c4 dxc4 34. bxc4 Rc7 1/2-1/2

[Event "Manizales op 27th"]
[Site "Manizales"]
[Date "2022.01.06"]
[Round "1"]
[White "Sanchez Ospina, William"]
[Black "Villamizar, Diego Fernando"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1427"]
[BlackElo "1958"]
[PlyCount "72"]
[EventDate "2022.01.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. Nf3 g6 4. e3 Bg7 5. h3 0-0 6. Bd3 b6 7. Nbd2 Bb7 8. 0-0 Nbd7 9. c3 Re8 10. Bb5 a6 11. Be2 e6 12. a4 a5 13. Bg5 h6 14. Bh4 Qe7 15. Rb1 e5 16. b4 g5 17. Bg3 Nd5 18. Qc2 axb4 19. cxb4 exd4 20. e4 Nc3 21. Rbe1 Rxa4 22. Bd3 Rxb4 23. Ra1 c5 24. Ra7 Bc6 25. Re1 Ra8 26. Rxa8+ Bxa8 27. Nc4 Ne5 28. Nfd2 Bc6 29. f4 gxf4 30. Bxf4 Ba4 31. Bxe5 Bxc2 32. Bxd6 Bxd3 33. Bxe7 Bxc4 34. Ra1 Ne2+ 35. Kf2 d3 36. Nf3 Bxa1 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.28"]
[Round "9"]
[White "Sanchez Ospina, William"]
[Black "Alzate Velez, Valentin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1506"]
[BlackElo "1226"]
[PlyCount "34"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. Bd3 c4 6. Be2 Nc6 7. c3 Bd6 8. Nbd2 Bxf4 9. exf4 b5 10. a3 0-0 11. 0-0 Bb7 12. Ne5 Nd7 13. Qc2 f6 14. Ng4 e5 15. fxe5 fxe5 16. dxe5 Ncxe5 17. Rad1 Qg5 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.27"]
[Round "8"]
[White "Garcia, Juan Manuel"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1904"]
[BlackElo "1506"]
[PlyCount "113"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d6 4. Nf3 Bg4 5. c3 Nd7 6. h3 Bxf3 7. Qxf3 e5 8. fxe5 dxe5 9. Bc4 Qh4+ 10. g3 Qf6 11. Qe2 Qe7 12. Rf1 Ngf6 13. d5 0-0 14. b3 c5 15. dxc6 bxc6 16. Ba3 c5 17. Nd2 Rfc8 18. 0-0-0 a5 19. Nf3 Nb6 20. Kb2 Rab8 21. g4 a4 22. Nd2 Qb7 23. Bxf7+ Qxf7 24. g5 axb3 25. axb3 Qe6 26. gxf6 Bxf6 27. Kc2 Bg5 28. Nc4 Nxc4 29. Qxc4 Qxc4 30. bxc4 Ra8 31. Bb2 Bf4 32. Rd5 Kg7 33. Rd7+ Kh6 34. Rfd1 Bg5 35. R1d5 Rd8 36. h4 Bf6 37. Bc1+ Kh5 38. Rxh7+ Kg4 39. Bg5 Bxg5 40. hxg5 Kf4 41. Kd3 Kxg5 42. Ke3 Kf6 43. Rc7 Rh8 44. Rc6+ Kf7 45. Rxe5 Rh3+ 46. Kf4 Rf8 47. Rexc5 Rxc3 48. Rc8 Rxc8 49. Rxc8 Rc1 50. Ke5 Rf1 51. Rc7+ Kg8 52. c5 g5 53. c6 g4 54. Rc8+ Kg7 55. c7 Rc1 56. Kf4 Kf7 57. Rh8 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "6"]
[White "Hoyos, Robinson"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1528"]
[BlackElo "1506"]
[PlyCount "60"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. b3 d5 5. e5 Bg4 6. Be2 f6 7. h3 Bxf3 8. Bxf3 fxe5 9. c3 Nd7 10. Be3 e4 11. Bg4 Ngf6 12. Nd2 0-0 13. b4 e5 14. Nb3 b6 15. a4 Qe7 16. g3 Ne8 17. Rc1 Nd6 18. a5 Nc4 19. 0-0 Kh8 20. h4 h5 21. Be2 Nxe3 22. fxe3 Rxf1+ 23. Bxf1 Rf8 24. Bg2 Bh6 25. Qe2 Nf6 26. Rf1 Ng4 27. Rxf8+ Qxf8 28. Kh1 Bxe3 29. dxe5 Qf5 30. Bh3 Nf2+ 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "7"]
[White "Sanchez Ospina, William"]
[Black "Cuartas Lozano, Santiago"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1506"]
[BlackElo "1429"]
[PlyCount "59"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 Nbd7 4. e3 e6 5. h3 b6 6. Bd3 Be7 7. Nbd2 c5 8. c3 Bb7 9. a4 Ne4 10. 0-0 Ndf6 11. Ne5 Nd7 12. Bb5 Nef6 13. Qe2 Rc8 14. g4 a6 15. Bxa6 Bxa6 16. Qxa6 Nxe5 17. Bxe5 0-0 18. Nf3 Bd6 19. Bxd6 Qxd6 20. a5 Rc6 21. Ne5 cxd4 22. Nxc6 dxe3 23. Qxb6 Ne4 24. Qxe3 Qxc6 25. a6 Ra8 26. a7 Qc7 27. Ra3 Nd6 28. Qe5 Qd8 29. Rfa1 f6 30. Qxe6+ 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "4"]
[White "Contreras Gonzalez, Cristian David"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1186"]
[BlackElo "1506"]
[PlyCount "73"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 d6 4. e3 Bg4 5. Nbd2 Nd7 6. h3 Bxf3 7. Nxf3 Ngf6 8. Bd3 c5 9. c3 a6 10. Be2 Qb6 11. Qb3 0-0 12. Qxb6 Nxb6 13. 0-0 Rac8 14. Rac1 c4 15. Nd2 d5 16. Bf3 Nbd7 17. e4 dxe4 18. Nxe4 Nd5 19. Bg3 b5 20. Rfe1 Bh6 21. Rc2 f5 22. Nd6 N7f6 23. Nxc8 Rxc8 24. Re5 Rd8 25. Re6 f4 26. Bh2 a5 27. g3 g5 28. Rce2 Kf7 29. Bxd5 Rxd5 30. Rxe7+ Kg6 31. R2e5 Bf8 32. R7e6 Kf7 33. Rxf6+ Kxf6 34. Rxd5 b4 35. cxb4 axb4 36. Rd8 Be7 37. Rc8 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "5"]
[White "Sanchez Ospina, William"]
[Black "Norena Marin, Jeronimo"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1506"]
[BlackElo "1418"]
[PlyCount "62"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. Nf3 Bf5 4. e3 c5 5. c3 e6 6. Nbd2 Nc6 7. Be2 Qb6 8. Qb3 c4 9. Qxb6 axb6 10. 0-0 h6 11. Rfe1 b5 12. b4 Be7 13. Ne5 Nxe5 14. Bxe5 0-0 15. h3 Ra3 16. g4 Bg6 17. Rec1 Rfa8 18. Bf3 Rxa2 19. Rxa2 Rxa2 20. Nf1 Ne4 21. Bxe4 Bxe4 22. Bg3 f5 23. Nh2 Bg5 24. Nf1 Kh7 25. h4 Be7 26. Nh2 g6 27. gxf5 exf5 28. Nf1 Bf3 29. Nh2 Be4 30. Nf1 Bf3 31. Nh2 Be4 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "3"]
[White "Rivera, Luis Enrique"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1761"]
[BlackElo "1506"]
[PlyCount "31"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. c4 d6 4. Nc3 Bg4 5. Qb3 Bxf3 6. exf3 b6 7. Bd3 Nf6 8. Be3 0-0 9. 0-0 Nbd7 10. Rfe1 c5 11. Rad1 a6 12. Be4 Rb8 13. Qa4 Qc8 14. Bc6 b5 15. cxb5 axb5 16. Bxb5 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "2"]
[White "Sanchez Ospina, William"]
[Black "Torres, Saulo de Jesus"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1506"]
[BlackElo "1765"]
[PlyCount "64"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d6 6. h3 g6 7. Nbd2 Bg7 8. 0-0 Nbd7 9. e4 Nh5 10. Bg5 f6 11. Be3 e5 12. c3 0-0 13. Bc4+ Kh8 14. Be6 Qe7 15. Qb3 Rae8 16. d5 Nf4 17. Bxd7 Qxd7 18. c4 Bc8 19. Bxf4 exf4 20. Nd4 Qf7 21. Rae1 f5 22. Nc6 fxe4 23. Nxe4 Bf5 24. f3 a5 25. Re2 Qd7 26. a3 h6 27. Qd1 Qf7 28. Rfe1 g5 29. Nd4 Be5 30. b4 axb4 31. axb4 Qg7 32. Nxf5 Rxf5 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.23"]
[Round "1"]
[White "Sanchez Ospina, William"]
[Black "Buitrago, Juan Carlos"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1506"]
[BlackElo "1934"]
[PlyCount "54"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. Nf3 e6 4. e3 c5 5. c3 Nc6 6. Be2 Be7 7. Nbd2 0-0 8. 0-0 b6 9. Ne5 Bb7 10. Bb5 Qc8 11. Ndf3 Nxe5 12. Nxe5 a6 13. Bd3 b5 14. dxc5 Qxc5 15. Rc1 Rac8 16. g4 Rcd8 17. g5 Ne4 18. Qg4 Bc8 19. f3 Nd6 20. Bxh7+ Kxh7 21. Qh5+ Kg8 22. g6 fxg6 23. Nxg6 Bf6 24. Kh1 Nf5 25. Nxf8 Rxf8 26. e4 dxe4 27. fxe4 Ng3+ 0-1

[Event "Manizales Las Americas op-C"]
[Site "Manizales"]
[Date "2021.10.18"]
[Round "9"]
[White "Dabraccio, Guillermo"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1618"]
[BlackElo "1658"]
[PlyCount "79"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Bg4 3. e3 Nf6 4. Bd3 g6 5. h3 Bxf3 6. Qxf3 c6 7. Nc3 Bg7 8. e4 Nbd7 9. Be3 0-0 10. 0-0 Qa5 11. a3 Rac8 12. b4 Qc7 13. Ne2 e5 14. Rab1 b6 15. c4 exd4 16. Bxd4 c5 17. Ba1 Ne5 18. Bxe5 dxe5 19. Rfc1 Rfd8 20. Nc3 Nh5 21. Nd5 Qd6 22. Rd1 Kh8 23. Bf1 Qe6 24. g3 Rf8 25. bxc5 Rxc5 26. g4 Nf6 27. Ne3 h5 28. Rd2 hxg4 29. hxg4 Bh6 30. Bh3 Qe7 31. Bf1 Kg7 32. Rbd1 Bxe3 33. fxe3 Ra5 34. g5 Nh7 35. Rg2 Nxg5 36. Qg4 Ne6 37. Rd5 Qxa3 38. Qg3 Qc3 39. Rd7 Rc5 40. Qxg6+ 1-0

[Event "Manizales Las Americas op-C"]
[Site "Manizales"]
[Date "2021.10.18"]
[Round "8"]
[White "Sanchez Ospina, William"]
[Black "Jaramillo, Amparo"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1658"]
[BlackElo "1329"]
[PlyCount "71"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. Nf3 Nbd7 4. e3 c6 5. Nbd2 Qc7 6. c3 Nh5 7. Bg5 h6 8. Bh4 e5 9. Be2 Be7 10. Bxe7 Kxe7 11. Nxe5 dxe5 12. Bxh5 exd4 13. exd4 Re8 14. 0-0 Nf6 15. Nc4 Nxh5 16. Qxh5 Kf8 17. Ne5 Be6 18. f4 b5 19. f5 Bd5 20. Rae1 Kg8 21. f6 Re6 22. fxg7 f6 23. Qxh6 Qxg7 24. Qxg7+ Kxg7 25. Nd7 Rxe1 26. Rxe1 Bxa2 27. h3 a5 28. Nc5 a4 29. Re7+ Kg6 30. Rc7 Bd5 31. Nd3 Kf5 32. Nb4 a3 33. bxa3 Rxa3 34. Nxd5 cxd5 35. Rc5 Ke4 36. h4 1-0

[Event "Manizales Las Americas op-C"]
[Site "Manizales"]
[Date "2021.10.17"]
[Round "6"]
[White "Pinzon, Luis Guillermo"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1581"]
[BlackElo "1658"]
[PlyCount "49"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. d3 Bg4 4. Be2 g6 5. h3 Bxf3 6. Bxf3 Bg7 7. Nc3 c6 8. Bd2 Nbd7 9. 0-0 0-0 10. Qc1 Rb8 11. a4 a5 12. Rb1 Ne5 13. Be2 c5 14. Nb5 Nc6 15. c3 b6 16. Bf4 Rc8 17. Qd2 Ne8 18. Rfd1 Nc7 19. Na3 Rb8 20. Bf1 Qd7 21. Qc2 b5 22. axb5 Nxb5 23. Nxb5 Rxb5 24. d4 Rbb8 25. dxc5 1-0

[Event "Manizales Las Americas op-C"]
[Site "Manizales"]
[Date "2021.10.17"]
[Round "7"]
[White "Sanchez Ospina, William"]
[Black "Cuervo Velasquez, Juan Manuel"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1658"]
[BlackElo "1296"]
[PlyCount "65"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nd2 0-0 5. c4 d6 6. Be2 Nbd7 7. h3 e5 8. Bh2 Qe7 9. Qc2 b6 10. 0-0-0 c5 11. Bf3 Rb8 12. d5 a6 13. g4 h6 14. h4 Nh7 15. Bg3 b5 16. Ne2 Nb6 17. Nc3 b4 18. Na4 Nxa4 19. Qxa4 Bd7 20. Qc2 a5 21. Be2 a4 22. Bd3 f5 23. gxf5 gxf5 24. Qb1 a3 25. e4 axb2+ 26. Qxb2 f4 27. Bh2 Ra8 28. Rdg1 Ra3 29. Bb1 Ba4 30. Rg2 Rc3+ 31. Bc2 Rxc2+ 32. Qxc2 Bxc2 33. Kxc2 0-1

[Event "Manizales Las Americas op-C"]
[Site "Manizales"]
[Date "2021.10.16"]
[Round "4"]
[White "Ceballos Castellanos, Isabela"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1460"]
[BlackElo "1658"]
[PlyCount "99"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. Be3 c6 5. Bc4 Nf6 6. f3 0-0 7. Bb3 a5 8. a4 Na6 9. Nge2 Bd7 10. 0-0 b5 11. Nf4 b4 12. Nce2 Bh6 13. Qd2 Nc7 14. Nd3 Bxe3+ 15. Qxe3 d5 16. e5 Nh5 17. Ng3 Ng7 18. Rae1 Nce6 19. f4 Qb6 20. Nc5 Rad8 21. f5 Nxc5 22. dxc5 Qa7 23. f6 exf6 24. exf6 Ne8 25. h4 Kh8 26. c4 bxc3 27. Qxc3 Nc7 28. Rc1 Ne6 29. Bd1 Rb8 30. Bg4 Nxc5 31. Qxc5 Qxc5+ 32. Rxc5 Bxg4 33. Rf2 Bd7 34. Rxa5 Ra8 35. Rxa8 Rxa8 36. Re2 Be6 37. Rc2 Rc8 38. Rc5 Bd7 39. Ne2 Rb8 40. Nd4 h5 41. b3 Kh7 42. Kf2 Kh6 43. g3 g5 44. a5 Kg6 45. a6 Kxf6 46. Nxc6 Rc8 47. hxg5+ Kg7 48. a7 Bxc6 49. Rxc6 Ra8 50. Ra6 1-0

[Event "Manizales Las Americas op-C"]
[Site "Manizales"]
[Date "2021.10.16"]
[Round "5"]
[White "Sanchez Ospina, William"]
[Black "Norena Marin, Jeronimo"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1658"]
[BlackElo "1334"]
[PlyCount "56"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nf3 Bf5 6. Nbd2 e6 7. Ne5 Qb6 8. Qb3 Nxe5 9. Bxe5 Nd7 10. Bb5 c4 11. Bxd7+ Kxd7 12. Qxb6 axb6 13. 0-0 f6 14. Bg3 Bd3 15. Rfe1 g5 16. f3 h5 17. e4 h4 18. Bf2 Bd6 19. e5 fxe5 20. dxe5 Bc5 21. b4 Bxf2+ 22. Kxf2 Raf8 23. a4 Kc6 24. Nf1 g4 25. Ne3 gxf3 26. gxf3 Be4 27. Ke2 Bxf3+ 28. Kd2 Be4 1/2-1/2

[Event "Manizales Las Americas op-C"]
[Site "Manizales"]
[Date "2021.10.15"]
[Round "3"]
[White "Petro, Jose Felipe"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1658"]
[PlyCount "98"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Bf4 0-0 6. h4 h5 7. Qd2 e5 8. dxe5 dxe5 9. Qxd8 Rxd8 10. Bxe5 c6 11. Rd1 Re8 12. Bg3 Be6 13. Nf3 Na6 14. Bxa6 bxa6 15. 0-0 Ng4 16. e5 Rab8 17. b3 c5 18. Ne4 Rec8 19. Nfg5 Rb6 20. Nf3 Bf5 21. Rfe1 Bxe4 22. Rxe4 f5 23. Rc4 a5 24. Rd7 a6 25. Kf1 Re6 26. Ng5 Ree8 27. Rd6 Bxe5 28. Rxg6+ Bg7 29. Rxa6 Rcd8 30. Rd6 Rxd6 31. Bxd6 Bd4 32. Nf3 Bxf2 33. Bxc5 Bg3 34. Rc3 f4 35. Bg1 Nh6 36. Rd3 Nf5 37. Bf2 Ne3+ 38. Bxe3 fxe3 39. Ke2 Bf4 40. c4 Kg7 41. Rd5 a4 42. Rxh5 axb3 43. axb3 Ra8 44. Nd4 Ra2+ 45. Kd3 Rd2+ 46. Ke4 Rxd4+ 47. Kxd4 e2 48. Rf5 Be3+ 49. Kxe3 e1Q+ 0-1

[Event "Manizales Las Americas op-C"]
[Site "Manizales"]
[Date "2021.10.14"]
[Round "1"]
[White "Sanchez Ospina, William"]
[Black "Gomez Saenz, Manuela"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1658"]
[BlackElo "1484"]
[PlyCount "34"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. h3 d6 6. Bd3 Nbd7 7. Nbd2 c5 8. c3 a6 9. 0-0 b5 10. Qe2 c4 11. Bc2 d5 12. e4 dxe4 13. Nxe4 Bb7 14. h4 Nb6 15. Nc5 Bd5 16. Rfe1 Re8 17. Ne5 Nbd7 0-1

[Event "Medellin U2000 op"]
[Site "Medellin"]
[Date "2019.10.??"]
[Round "4.10"]
[White "Castano Ochoa, Clemente"]
[Black "Sanchez Ospina, William"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "1693"]
[BlackElo "1600"]
[PlyCount "31"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Bd2 Re8 7. Ne5 e6 8. Be2 dxc4 9. Nxc4 b5 10. Ne5 a5 11. Bf3 Ra6 12. 0-0 c6 13. Ne4 Nd5 14. Nd3 Nf6 15. Ne5 Nd5 16. Nd3 1/2-1/2

[Event "Medellin U2000 op"]
[Site "Medellin"]
[Date "2019.10.??"]
[Round "3.6"]
[White "Delgado Perez, Carlos Alberto"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "1767"]
[BlackElo "1600"]
[PlyCount "19"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d3 e6 8. Bd2 b6 9. Ne5 Nxe5 10. Bxa8 1-0

[Event "Antioquia op"]
[Site "Medellin"]
[Date "2014.04.06"]
[Round "6"]
[White "Gomez Rondon, Samuel"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1262"]
[BlackElo "1711"]
[PlyCount "73"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Bd3 0-0 6. 0-0 Re8 7. Be3 Ng4 8. h3 Nxe3 9. fxe3 Nc6 10. Qe2 Nb4 11. Bc4 a6 12. Qf2 e6 13. Ng5 Rf8 14. Qh4 h6 15. Nf3 Qxh4 16. Nxh4 Nxc2 17. Rab1 Nxe3 18. Rf2 Nxc4 19. Rbf1 Bxd4 20. Kh1 Bxf2 21. Rxf2 Bd7 22. g4 Bc6 23. Nf3 b5 24. b3 Ne5 25. Nxe5 dxe5 26. a3 Rad8 27. Rg2 Rd4 28. Kh2 Rfd8 29. Kg1 Bxe4 30. Nxe4 Rxe4 31. h4 Rdd4 32. a4 bxa4 33. bxa4 Rxa4 34. Kh2 Rxg4 35. Rxg4 Rxg4 36. Kh3 Rxh4+ 37. Kxh4 0-1

[Event "Antioquia op"]
[Site "Medellin"]
[Date "2014.04.06"]
[Round "5"]
[White "Sanchez Ospina, William"]
[Black "Bustamante, Roberto"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1711"]
[BlackElo "1861"]
[PlyCount "65"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 b6 4. Bg2 Bb7 5. Nf3 Nd4 6. 0-0 Nxf3+ 7. exf3 Nf6 8. d4 cxd4 9. Qxd4 g6 10. Re1 Bg7 11. Qd6 Ne4 12. Qb4 Nxc3 13. Bg5 f6 14. Qxc3 0-0 15. Be3 Rc8 16. Rad1 Qc7 17. Qd3 Qxc4 18. Qxd7 Rc7 19. Qd2 Rfc8 20. b3 Qc6 21. h4 e5 22. Kh2 Qe8 23. g4 Qf8 24. Qd3 Bh6 25. g5 fxg5 26. hxg5 Bg7 27. Qd6 Bxf3 28. Qxf8+ Rxf8 29. Bxf3 Rxf3 30. Rd8+ Rf8 31. Red1 Rxd8 32. Rxd8+ Kf7 33. Kg3 0-1

[Event "Antioquia op"]
[Site "Medellin"]
[Date "2014.04.05"]
[Round "3"]
[White "Sanchez Ospina, William"]
[Black "Florez, Santiago"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "1711"]
[BlackElo "1178"]
[PlyCount "49"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. b3 Nf6 4. Bg2 Bf5 5. Bb2 e6 6. Nf3 Be7 7. 0-0 0-0 8. d3 Re8 9. Nbd2 Nbd7 10. Re1 Nf8 11. Ne5 Ng6 12. Ndf3 Bd6 13. Rc1 Qc7 14. d4 Bxe5 15. dxe5 Ne4 16. h3 Qb6 17. Bd4 Qc7 18. g4 Bxg4 19. hxg4 Qd8 20. Be3 Nh4 21. Qd3 Nxf3+ 22. exf3 Ng5 23. f4 Ne4 24. Bxe4 dxe4 25. Qxe4 1-0

[Event "Antioquia op"]
[Site "Medellin"]
[Date "2014.04.05"]
[Round "4"]
[White "Soto, Miguel Angel"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1723"]
[BlackElo "1711"]
[PlyCount "101"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 Nbd7 6. Qd2 e5 7. d5 Nb6 8. g4 a6 9. h4 Qe7 10. 0-0-0 Bd7 11. Bh3 Ng8 12. Bxb6 cxb6 13. g5 h6 14. Bxd7+ Qxd7 15. Nge2 0-0-0 16. Qe3 b5 17. a3 Kb8 18. Rdf1 Rc8 19. Kb1 f5 20. f4 hxg5 21. hxg5 Rxh1 22. Rxh1 exf4 23. Qxf4 Bxc3 24. Nxc3 Rc4 25. Rh8 Qg7 26. Qxd6+ Ka7 27. Rh4 Qe7 28. Qxe7 Nxe7 29. Rh7 Nc8 30. e5 Kb6 31. Rg7 a5 32. Rxg6+ Kc5 33. Rg7 Kb6 34. d6 Rd4 35. Rf7 Nxd6 36. exd6 f4 37. Rxf4 Rxf4 38. Nd5+ Kc6 39. Nxf4 Kxd6 40. g6 Ke7 41. Kc1 Kf6 42. Kd2 b6 43. Kd3 a4 44. Ke4 b4 45. axb4 b5 46. c3 Kg7 47. Kf5 Kf8 48. Kf6 Kg8 49. g7 Kh7 50. Kf7 Kh6 51. g8Q 1-0

[Event "Antioquia op"]
[Site "Medellin"]
[Date "2014.04.04"]
[Round "2"]
[White "Laverde, Luis Eduardo"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2099"]
[BlackElo "1711"]
[PlyCount "51"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 g6 2. h4 d6 3. Nc3 Bg7 4. d4 Nc6 5. Be3 a6 6. Be2 Nf6 7. Qd2 h5 8. f3 b5 9. Nh3 Bxh3 10. Rxh3 Qd7 11. 0-0-0 e5 12. d5 Ne7 13. Nb1 Nc8 14. Qa5 0-0 15. Qd2 Kh7 16. Bg5 c5 17. dxc6 Qxc6 18. Nc3 Ra7 19. Nd5 Nxd5 20. exd5 Qd7 21. Rhh1 Rh8 22. g4 Kg8 23. gxh5 gxh5 24. Rhg1 f6 25. Be3 Rb7 26. Qa5 1-0

[Event "Antioquia op"]
[Site "Medellin"]
[Date "2014.04.03"]
[Round "1"]
[White "Sanchez Ospina, William"]
[Black "Henao, Bernardo Andres"]
[Result "0-1"]
[ECO "A51"]
[WhiteElo "1711"]
[BlackElo "2094"]
[PlyCount "54"]
[EventDate "2014.04.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qe3+ Be7 6. Nd5 Nxd5 7. cxd5 Nb4 8. Qb3 a5 9. Bd2 0-0 10. a3 a4 11. Qc4 b5 12. Qe4 f5 13. Qb1 Nxd5 14. e4 fxe4 15. Bxb5 Bc5 16. Nh3 e3 17. Bxe3 Nxe3 18. fxe3 Qh4+ 19. Kd1 Qg4+ 20. Be2 Qxg2 21. Qa2+ Kh8 22. Kd2 Ba6 23. Rhe1 Qxh3 24. Bxa6 Rxa6 25. Qc4 Rf2+ 26. Re2 Qxe3+ 27. Ke1 Rf1+ 0-1

[Event "Medellin de Segunda Cat. Antioquia"]
[Site "Medellin"]
[Date "2014.03.28"]
[Round "7.10"]
[White "Sanchez Ospina, William"]
[Black "Soto, Miguel Angel"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "1690"]
[BlackElo "1665"]
[PlyCount "40"]
[EventDate "2014.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 Nf6 3. Nf3 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 d5 7. b3 Nbd7 8. Qc2 b6 9. Bb2 Bb7 10. d4 c5 11. e3 Rc8 12. Nd2 Qc7 13. Nb5 Qb8 14. a4 Rfd8 15. Ba3 Bf8 16. f4 cxd4 17. Bxf8 Nxf8 18. exd4 a6 19. Na3 dxc4 20. bxc4 Rxd4 0-1

[Event "Medellin de Segunda Cat. Antioquia"]
[Site "Medellin"]
[Date "2014.03.27"]
[Round "6.12"]
[White "Ossa, Vladimir"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1974"]
[BlackElo "1690"]
[PlyCount "18"]
[EventDate "2014.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 Qe7 4. Nf3 Nc6 5. Be2 d6 6. 0-0 Bd7 7. cxd4 0-0-0 8. Be3 g5 9. Nbd2 h5 0-1

[Event "Medellin de Segunda Cat. Antioquia"]
[Site "Medellin"]
[Date "2014.03.26"]
[Round "5.18"]
[White "Sanchez Ospina, William"]
[Black "Zuluaga, Miryam"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1690"]
[BlackElo "1644"]
[PlyCount "79"]
[EventDate "2014.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d3 Bb4 5. g3 0-0 6. Bg2 d5 7. Nd2 Bxc3 8. bxc3 Ne7 9. 0-0 Ng6 10. cxd5 Nxd5 11. c4 Nf6 12. Rb1 c6 13. Nb3 h6 14. a4 Qc7 15. Bd2 b6 16. Qc1 Bb7 17. c5 Rfd8 18. h4 Bc8 19. cxb6 axb6 20. Qxc6 Qxc6 21. Bxc6 Rb8 22. Rfc1 Bd7 23. Bxd7 Rxd7 24. Na1 e4 25. Be3 exd3 26. exd3 Rxd3 27. Rxb6 Rxb6 28. Bxb6 Ra3 29. a5 Ra2 30. Nc2 Ne4 31. Nb4 Ra4 32. a6 Kh7 33. a7 Nd6 34. Nc6 Nb5 35. Rc5 Nxa7 36. Bxa7 Ra6 37. Rc1 Nf8 38. Be3 Nd7 39. Kg2 Nf6 40. Ne5 1-0

[Event "Medellin de Segunda Cat. Antioquia"]
[Site "Medellin"]
[Date "2014.03.25"]
[Round "4.15"]
[White "Cardona, Jeyson"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1951"]
[BlackElo "1690"]
[PlyCount "81"]
[EventDate "2014.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 Nf6 2. Nf3 g6 3. e3 d6 4. Bb2 Bg7 5. d4 0-0 6. Nbd2 d5 7. Ne5 c5 8. f4 Nbd7 9. Bd3 e6 10. g4 cxd4 11. exd4 Ne4 12. h4 f5 13. g5 Qa5 14. Rh2 Nxe5 15. dxe5 Qb6 16. Qe2 Qg1+ 17. Nf1 Ng3 18. Qf2 Qxf2+ 19. Kxf2 Ne4+ 20. Ke3 Bd7 21. Bxe4 dxe4 22. Rd1 Bc6 23. Ba3 Rfd8 24. Nd2 Rd5 25. h5 Be8 26. hxg6 Bxg6 27. Ra1 b5 28. Rc1 Rc8 29. Ke2 a5 30. c4 Rd3 31. cxb5 Rxc1 32. Bxc1 Bf8 33. b6 Bc5 34. Nc4 Rd7 35. Be3 Bxe3 36. Kxe3 Rd3+ 37. Ke2 Rd8 38. Nd6 Be8 39. Rh6 Bg6 40. b7 Kf8 41. Nc8 1-0

[Event "Medellin de Segunda Cat. Antioquia"]
[Site "Medellin"]
[Date "2014.03.20"]
[Round "2.6"]
[White "Miranda, Jorge"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1933"]
[BlackElo "1690"]
[PlyCount "67"]
[EventDate "2014.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Nc3 Nf6 5. Bc4 0-0 6. Bb3 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. Be3 e5 10. d5 Na5 11. g4 a6 12. Bg5 b5 13. h4 h6 14. Be3 Nd7 15. h5 g5 16. 0-0 Qf6 17. Qg2 Rac8 18. Ne2 Nc4 19. Bxc4 bxc4 20. Ng3 Rb8 21. b3 Nb6 22. Nf5 a5 23. Rfb1 Rfc8 24. Qf1 cxb3 25. axb3 Ra8 26. Qb5 Qd8 27. Rxa5 Rxa5 28. Qxa5 Ra8 29. Qc3 Qd7 30. Ra1 Rxa1+ 31. Qxa1 Qb5 32. Bxb6 cxb6 33. Qa8+ Kh7 34. Ne7 1-0

[Event "Medellin de Segunda Cat. Antioquia"]
[Site "Medellin"]
[Date "2014.03.19"]
[Round "1.10"]
[White "Sanchez Ospina, William"]
[Black "Bustamante, Roberto"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "1690"]
[BlackElo "1904"]
[PlyCount "83"]
[EventDate "2014.03.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d5 6. cxd5 Nxd5 7. 0-0 c6 8. d4 Na6 9. e4 Nxc3 10. bxc3 Bg4 11. h3 Be6 12. Qe2 b5 13. Rd1 Bc4 14. Qc2 Nc7 15. a4 a6 16. Bf4 Ne6 17. Be3 Nc7 18. Nd2 Be6 19. Nb3 Qc8 20. Kh2 Rd8 21. Nc5 Bc4 22. Bf4 Ne6 23. Nxe6 Qxe6 24. Ra3 h6 25. h4 f6 26. Bh3 Qf7 27. Qc1 bxa4 28. Bc7 Rf8 29. Re1 Bb3 30. Qd2 g5 31. d5 cxd5 32. Rxb3 axb3 33. exd5 Kh8 34. Be6 Qh5 35. Kg2 gxh4 36. Rh1 Qg6 37. Rxh4 f5 38. Bf4 Rf6 39. Be5 Rxe6 40. dxe6 Qxe6 41. Rxh6+ Kg8 42. Rxe6 1-0

[Event "Departamental Tercera Antioquia"]
[Site "Medellin"]
[Date "2014.02.25"]
[Round "2.9"]
[White "Mejia Ospina, Juan F"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "E81"]
[BlackElo "1690"]
[PlyCount "11"]
[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. d4 g6 2. e4 d6 3. c4 Bg7 4. Nc3 Nf6 5. f3 0-0 6. Be3 0-1

[Event "Departamental Tercera Antioquia"]
[Site "Medellin"]
[Date "2014.02.24"]
[Round "1.11"]
[White "Sanchez Ospina, William"]
[Black "Toro Castaneda, Miguel Angel"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1690"]
[BlackElo "1352"]
[PlyCount "48"]
[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. g3 e5 2. c4 Nf6 3. Nc3 Nc6 4. Bg2 Bc5 5. d3 Ng4 6. Nh3 0-0 7. 0-0 d6 8. Ne4 Bb6 9. Bg5 f6 10. Bd2 f5 11. Neg5 Bd7 12. Bd5+ Kh8 13. Nf7+ Rxf7 14. Bxf7 e4 15. dxe4 fxe4 16. e3 Qf6 17. Bh5 Qf5 18. Bxg4 Qxg4 19. Qxg4 Bxg4 20. Nf4 Ne5 21. Bc3 Nxc4 22. Rac1 Rf8 23. Nd5 Re8 24. Nxb6 cxb6 1-0

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "5"]
[White "Alvarez Angel, Nelson Eduardo"]
[Black "Sanchez Ospina, William"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1681"]
[BlackElo "1711"]
[PlyCount "48"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be3 Nf6 5. Nbd2 0-0 6. Bd3 Ng4 7. Bf4 e5 8. dxe5 dxe5 9. Bg3 Nc6 10. 0-0 Re8 11. Bb5 Bd7 12. h3 Nh6 13. a4 a6 14. Bxc6 Bxc6 15. Re1 f6 16. a5 Nf7 17. Nb3 Qe7 18. Qe2 Qb4 19. Nfd2 Rad8 20. f3 Bh6 21. Rad1 Bb5 22. c4 Ba4 23. Bf2 Bxb3 24. Nxb3 Qxb3 0-1

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "3"]
[White "Castro, Lennin David"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1919"]
[BlackElo "1711"]
[PlyCount "89"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. a3 b6 4. c4 g6 5. Nc3 Bg7 6. e3 0-0 7. Bd3 d5 8. 0-0 Ba6 9. Ne5 dxc4 10. Nxc4 Nbd7 11. b4 Nd5 12. Nxd5 exd5 13. Ne5 Bxd3 14. Nxd3 Rc8 15. Bb2 c5 16. dxc5 bxc5 17. Bxg7 Kxg7 18. bxc5 Nxc5 19. Rc1 Nxd3 20. Qxd3 Rxc1 21. Rxc1 Qa5 22. Qd4+ Kg8 23. a4 Rb8 24. g3 a6 25. Kg2 h5 26. Rc5 Qb6 27. Rxd5 Qb7 28. e4 f5 29. Rd8+ Rxd8 30. Qxd8+ Kh7 31. Qd5 Qc8 32. e5 Kg7 33. a5 Qc7 34. h4 Qc8 35. e6 Kf6 36. Qd7 Qxd7 37. exd7 Ke7 38. Kf3 Kxd7 39. Kf4 Ke6 40. Kg5 Kf7 41. Kh6 Kf6 42. Kh7 Kf7 43. f4 Kf6 44. Kg8 Ke7 45. Kg7 1-0

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "10"]
[White "Figeroa Salcedo, Reinaldo Arturo"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1719"]
[BlackElo "1711"]
[PlyCount "15"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. d4 d6 4. Be2 Nf6 5. g4 b6 6. Bf4 Bb7 7. Qd3 Ba6 8. Qf3 1-0

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "9"]
[White "Penas Burgos, Nestor"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1763"]
[BlackElo "1711"]
[PlyCount "73"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Bd3 0-0 6. 0-0 c5 7. c3 Nc6 8. Re1 e5 9. dxc5 dxc5 10. Be3 b6 11. Qc2 Bb7 12. Nbd2 Qc7 13. g4 Rad8 14. Nf1 Qd7 15. Be2 Nxg4 16. hxg4 Qxg4+ 17. Ng3 Ne7 18. Nxe5 Qe6 19. Nf3 h6 20. Qa4 a6 21. Qb3 Qc6 22. Rad1 b5 23. Rxd8 Rxd8 24. Rd1 Rf8 25. Qc2 f5 26. exf5 gxf5 27. Bf4 Nd5 28. Qd2 Qg6 29. Nh4 Qe8 30. c4 Nf6 31. cxb5 Ne4 32. Nxe4 Bxe4 33. Qd7 Qxd7 34. Rxd7 axb5 35. Bxb5 Ra8 36. Be2 Rxa2 37. Bc4+ 1-0

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "2"]
[White "Sanchez Ospina, William"]
[Black "Castano, Jhon Edison"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1711"]
[BlackElo "2078"]
[PlyCount "80"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. b3 0-0 6. Bb2 c5 7. d4 cxd4 8. exd4 Nc6 9. Be2 dxc4 10. 0-0 cxb3 11. axb3 Bg4 12. Na4 Nd5 13. h3 Bf5 14. Rc1 Rc8 15. Nc5 b6 16. Nd3 Na5 17. Nde5 Qd6 18. Nc4 Nxc4 19. Bxc4 Rfd8 20. Re1 Bf6 21. Ra1 a5 22. Ba3 Qd7 23. Ne5 Qb7 24. Qf3 b5 25. g4 Be6 26. Rab1 Qb8 27. Bd3 Rc3 28. Qe4 a4 29. Bb2 Rxb3 30. Nc6 Qd6 31. Nxd8 Qxd8 32. Ba1 Rxb1 33. Rxb1 b4 34. Rc1 Qd6 35. Rc5 Nf4 36. Bf1 a3 37. g5 Bg7 38. Qa8+ Bf8 39. Qb7 b3 40. Bc3 b2 0-1

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "4"]
[White "Sanchez Ospina, William"]
[Black "Obando Guzman, Soren Federico"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "1711"]
[BlackElo "1799"]
[PlyCount "38"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. b3 d4 6. Ne4 Nxe4 7. Bxe4 f5 8. Bg2 Be6 9. Nh3 a5 10. 0-0 Bc5 11. d3 h6 12. e3 0-0 13. a3 Na6 14. Kh1 Qd7 15. Ng1 dxe3 16. fxe3 Rad8 17. Nf3 Qxd3 18. Qxd3 Rxd3 19. Nxe5 Rxb3 0-1

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "8"]
[White "Sanchez Ospina, William"]
[Black "Toro Castaneda, Miguel Angel"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "1711"]
[BlackElo "1345"]
[PlyCount "31"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. cxd5 exd5 7. b3 Be6 8. Bb2 Nbd7 9. d3 c6 10. Nbd2 Bf5 11. Nh4 Bg6 12. Nxg6 fxg6 13. e4 dxe4 14. dxe4 Bc5 15. Qc2 Bb6 16. Rad1 1-0

[Event "Medellin Cuartas Memorial B"]
[Site "Medellin"]
[Date "2011.08.03"]
[Round "1.49"]
[White "Sanchez Ospina, William"]
[Black "Agudelo Rodriguez, Carmen Emilia"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1564"]
[BlackElo "1643"]
[PlyCount "110"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Nc3 d5 6. e3 e6 7. a3 a6 8. b4 Qc7 9. Bb2 Nxb4 10. axb4 Bxb4 11. Qd4 Bc5 12. Qe5 Qxe5 13. Nxe5 Bb4 14. Bd3 Bd7 15. Nxd7 Nxd7 16. 0-0 Rc8 17. Ne2 e5 18. Bf5 f6 19. c3 Bd6 20. Ba3 Bxa3 21. Rxa3 Ke7 22. Rd1 Rc5 23. Bxd7 Kxd7 24. Rb1 Kc7 25. f4 Rc8 26. Kf2 Rc6 27. Rd1 Rd6 28. Ng3 g6 29. f5 Rcd8 30. Raa1 d4 31. cxd4 exd4 32. Rac1+ Kb8 33. exd4 Rxd4 34. Rxd4 Rxd4 35. fxg6 hxg6 36. Re1 Rd6 37. Re8+ Kc7 38. h4 b5 39. Rg8 f5 40. Rf8 b4 41. h5 gxh5 42. Rxf5 b3 43. Ne4 b2 44. Nc3 Rd2+ 45. Ke3 Rxg2 46. Rf1 h4 47. Rh1 Rg3+ 48. Kd2 h3 49. Nb1 Rg2+ 50. Kc3 h2 51. Nd2 a5 52. Nb1 Kc6 53. Na3 Kd5 54. Nc2 Rg1 55. Kxb2 Rxh1 0-1

[Event "Antioquia Region-ch Seniors"]
[Site "Medellin"]
[Date "2011.07.??"]
[Round "6.12"]
[White "Sanchez Ospina, William"]
[Black "Ferrer, Carlos Mario"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1564"]
[BlackElo "1459"]
[PlyCount "65"]
[EventDate "2011.07.18"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Bf5 4. e4 Bg6 5. Bxc4 e6 6. a3 a6 7. Nf3 b5 8. Bd3 Bh5 9. Be3 Bxf3 10. Qxf3 Nd7 11. 0-0 Ngf6 12. Rfd1 Be7 13. e5 Ng8 14. Be4 Rc8 15. Bb7 Rb8 16. Bxa6 f6 17. Bxb5 f5 18. d5 exd5 19. Qxf5 Nh6 20. Bxh6 Rf8 21. Qh5+ g6 22. Qe2 Rf7 23. e6 Rf5 24. Bxd7+ Qxd7 25. exd7+ Kxd7 26. Nxd5 Bc5 27. Ne3+ Bd6 28. Nxf5 gxf5 29. Bf4 Kc6 30. Rac1+ Kd7 31. Bxd6 cxd6 32. Qe5 Re8 33. Rxd6# 1-0

[Event "Antioquia Region-ch Seniors"]
[Site "Medellin"]
[Date "2011.07.??"]
[Round "4.12"]
[White "Sanchez Ospina, William"]
[Black "Zuluaga, Silvio"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1564"]
[BlackElo "1685"]
[PlyCount "36"]
[EventDate "2011.07.18"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. e3 Nf6 4. h3 g6 5. Bd3 Bg7 6. b3 0-0 7. Bb2 Nbd7 8. Nbd2 b6 9. Qe2 Bb7 10. 0-0 Re8 11. Ba6 Qc8 12. Bxb7 Qxb7 13. Rae1 Ne4 14. c4 e5 15. dxe5 Nxe5 16. Nd4 a6 17. Rc1 Rac8 18. f3 Nc5 0-1

[Event "Medellin Amateur op"]
[Site "Medellin"]
[Date "2011.04.24"]
[Round "9.25"]
[White "Sanchez Ospina, William"]
[Black "Hinestroza Farfan, Juan C"]
[Result "0-1"]
[ECO "D51"]
[WhiteElo "1582"]
[BlackElo "1600"]
[PlyCount "60"]
[EventDate "2011.04.20"]
[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 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. cxd5 cxd5 7. Bd3 Bb4+ 8. Nc3 Qc7 9. 0-0 Bxc3 10. Rc1 Qa5 11. bxc3 Qxa2 12. Bb1 Qc4 13. Bxf6 Nxf6 14. Ne5 Qc7 15. Qd3 0-0 16. g4 g6 17. f4 Ne4 18. c4 Nd6 19. cxd5 Qe7 20. Ba2 exd5 21. Bxd5 Qh4 22. Rc7 Bxg4 23. Nxg6 hxg6 24. Qxg6+ Kh8 25. Qxd6 Bh3 26. Rf2 Rg8+ 27. Bg2 Rxg2+ 28. Kh1 Rxf2 29. Qe5+ f6 30. Rh7+ Kxh7 0-1

[Event "Medellin Amateur op"]
[Site "Medellin"]
[Date "2011.04.23"]
[Round "7.21"]
[White "Sanchez Ospina, William"]
[Black "Betancur, Juan Carlos"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1582"]
[BlackElo "1600"]
[PlyCount "42"]
[EventDate "2011.04.20"]
[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 c6 2. Nf3 d5 3. h3 Nf6 4. c3 Bf5 5. Nh4 Bxb1 6. Rxb1 e6 7. Bg5 Be7 8. Bxf6 Bxf6 9. Nf3 Nd7 10. e3 e5 11. Be2 e4 12. Nd2 0-0 13. 0-0 Be7 14. c4 Bd6 15. f4 f5 16. cxd5 cxd5 17. Qb3 Nb6 18. Rbc1 Rf6 19. a4 a5 20. Bb5 Bb4 21. Rc2 Rc8 0-1

