[Event "Sabaneta op-B 1st"]
[Site "Sabaneta"]
[Date "2022.11.30"]
[Round "8"]
[White "Ospina Betancur, Santiago"]
[Black "Suaza Builes, Oscar A"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1760"]
[BlackElo "1431"]
[PlyCount "55"]
[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 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 Bf5 6. Ne5 c6 7. g4 Bg6 8. h4 h6 9. Bf4 Qb4 10. Nxg6 fxg6 11. Qd3 Kf7 12. h5 gxh5 13. gxh5 Ke8 14. 0-0-0 Nbd7 15. Bc7 Nb6 16. a3 Qa5 17. Bh3 e6 18. Bxe6 Qg5+ 19. f4 Qg2 20. Rhg1 Nbd5 21. Rxg2 Nxc7 22. Re1 Nxe6 23. Rxe6+ Kd7 24. Qf5 Kc7 25. d5 Rd8 26. dxc6 bxc6 27. Qa5+ Kb7 28. Qxd8 1-0

[Event "Sabaneta op-B 1st"]
[Site "Sabaneta"]
[Date "2022.11.29"]
[Round "7"]
[White "Jimenez Jaramillo, Jhoyner"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1600"]
[BlackElo "1760"]
[PlyCount "95"]
[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. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d3 0-0 6. e4 d6 7. Nge2 c6 8. 0-0 e5 9. h3 Na6 10. Be3 Nc7 11. Qd2 Qe7 12. exf5 gxf5 13. d4 Bd7 14. Rad1 Qf7 15. c5 exd4 16. Nxd4 dxc5 17. Nf3 Rfd8 18. Bxc5 Be6 19. Qxd8+ Rxd8 20. Rxd8+ Nfe8 21. Re1 Bf6 22. Rd2 b6 23. Bd4 c5 24. Bxf6 Qxf6 25. Ne5 Kg7 26. a3 Qh6 27. Re3 Nf6 28. Rd6 f4 29. gxf4 Qxf4 30. Ne2 Qa4 31. Rg3+ Kf8 32. Rd8+ Ke7 33. Nc6+ Kf7 34. Rdd3 Bd5 35. Ne5+ Ke6 36. Nc3 Qa6 37. Rge3 Bxg2 38. Nc4+ Kf7 39. Nd6+ Kf8 40. Kxg2 b5 41. Rf3 Kg7 42. Nf5+ Kg6 43. Rd6 Qa5 44. Nh4+ Kf7 45. Rdxf6+ Ke8 46. Rf8+ Kd7 47. R3f7+ Kc6 48. Rc8 1-0

[Event "Sabaneta op-B 1st"]
[Site "Sabaneta"]
[Date "2022.11.29"]
[Round "6"]
[White "Ospina Betancur, Santiago"]
[Black "Velandia, Wilson"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1760"]
[BlackElo "1652"]
[PlyCount "81"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. b4 Bb6 7. 0-0 0-0 8. a4 a6 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nh5 12. Nxe5 Nxg3 13. Nxc6 bxc6 14. hxg3 d5 15. Bb3 Qd6 16. exd5 Qxg3 17. d4 Qh4 18. Nd2 g4 19. dxc6 Kg7 20. Qe2 a5 21. b5 Be6 22. Bxe6 fxe6 23. Qe5+ Kh7 24. Rae1 Rf7 25. f3 h5 26. fxg4 Rxf1+ 27. Rxf1 Qxg4 28. Ne4 Qg6 29. Ng5+ Kg8 30. Qxe6+ Qxe6 31. Nxe6 Re8 32. Rf6 Re7 33. Kf2 Rf7 34. Rxf7 Kxf7 35. Nf4 h4 36. Ke3 Ba7 37. Ke4 Bb8 38. c4 Kf6 39. c5 Ba7 40. b6 Bb8 41. bxc7 1-0

[Event "Sabaneta op-B 1st"]
[Site "Sabaneta"]
[Date "2022.11.28"]
[Round "5"]
[White "Gonzalez Zapata, Julian David"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1713"]
[BlackElo "1760"]
[PlyCount "53"]
[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 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 h6 8. Nc4 b5 9. Ne3 Nf6 10. f3 Be7 11. Ned5 0-0 12. Be3 Rb8 13. Be2 Nxd5 14. Nxd5 f5 15. c4 fxe4 16. cxb5 axb5 17. Rc1 Bd7 18. Nxe7+ Qxe7 19. Qd5+ Qf7 20. Qxd6 Nd4 21. Bxd4 exd4 22. 0-0 d3 23. fxe4 Qxa2 24. Bxd3 Bg4 25. Qg6 Qxb2 26. e5 Qxe5 27. Qh7# 1-0

[Event "Sabaneta op-B 1st"]
[Site "Sabaneta"]
[Date "2022.11.27"]
[Round "4"]
[White "Ospina Betancur, Santiago"]
[Black "Castro Torres, Cristian"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1760"]
[BlackElo "1600"]
[PlyCount "103"]
[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. Nf3 d6 4. h3 Nd7 5. c3 e5 6. Be3 Ne7 7. Bc4 0-0 8. 0-0 Nb6 9. Bb3 Nc6 10. a4 a5 11. dxe5 Nxe5 12. Bxb6 cxb6 13. Nd4 Kh8 14. Nb5 Qh4 15. Re1 Bxh3 16. gxh3 Qxh3 17. Re3 Qh4 18. Nd2 Ng4 19. Rf3 f5 20. exf5 Rxf5 21. Rxf5 gxf5 22. Qf3 Be5 23. Nf1 Rf8 24. Bd5 Rf6 25. Ng3 Rg6 26. Qxf5 Qh2+ 27. Kf1 Ne3+ 28. fxe3 Rf6 29. Qxf6+ Bxf6 30. Ne2 Bh4 31. Bg2 Qe5 32. e4 Qf6+ 33. Kg1 Qf2+ 34. Kh1 Qxe2 35. Nxd6 Bf2 36. Nf7+ Kg7 37. Ng5 Qxb2 38. Rf1 Qxc3 39. Rxf2 Qc1+ 40. Bf1 Qe1 41. Ne6+ Kg6 42. Rf4 Qe3 43. Bg2 b5 44. e5 Qe1+ 45. Bf1 b4 46. Kg2 Qd2+ 47. Kh3 b3 48. Nf8+ Kg7 49. Ne6+ Kg6 50. Rf6+ Kh5 51. Be2+ Qxe2 52. Nf4+ 1-0

[Event "Sabaneta op-B 1st"]
[Site "Sabaneta"]
[Date "2022.11.27"]
[Round "3"]
[White "Ramirez, Juan E"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1484"]
[BlackElo "1760"]
[PlyCount "72"]
[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 Nc6 3. d3 e6 4. Nbd2 d5 5. g3 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. c3 b6 9. e5 Nd7 10. Qe2 Qc7 11. Re1 Bb7 12. Nf1 d4 13. c4 a6 14. Bf4 b5 15. b3 b4 16. h4 a5 17. N1h2 a4 18. Ng4 Rfe8 19. Qd2 axb3 20. axb3 Ra3 21. Rxa3 bxa3 22. Ra1 Ra8 23. h5 Qb6 24. h6 g6 25. Bg5 Bf8 26. Qd1 Nb4 27. Ne1 Bxg2 28. Kxg2 Qb8 29. Bf4 Be7 30. Nc2 a2 31. Qd2 Nxc2 32. Qxc2 Ra3 33. Rxa2 Qa8+ 34. Kg1 Rxa2 35. Qd1 Ra1 36. Bc1 Qa3 0-1

[Event "Sabaneta op-B 1st"]
[Site "Sabaneta"]
[Date "2022.11.26"]
[Round "2"]
[White "Ospina Betancur, Santiago"]
[Black "Orrego Sucerquia, Tatiana"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1760"]
[BlackElo "1600"]
[PlyCount "111"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 0-0 6. b4 Bd6 7. Bg5 h6 8. Bh4 Be7 9. b5 Na5 10. Nxe5 Nxc4 11. Nxc4 d5 12. Ncd2 dxe4 13. Bxf6 Bxf6 14. Nxe4 Re8 15. 0-0 Bf5 16. Nxf6+ Qxf6 17. d4 a6 18. bxa6 Rxa6 19. Re1 Rxe1+ 20. Qxe1 Qe6 21. Qxe6 Bxe6 22. a3 Bc4 23. Nd2 Bd3 24. Nb3 b6 25. f3 Bc4 26. Nd2 Bd3 27. Kf2 Bh7 28. Ne4 f5 29. Nd2 Kf7 30. Ke3 g5 31. d5 b5 32. Kd4 Ke7 33. Kc5 Rb6 34. Nb3 Bg8 35. Re1+ Kd7 36. Nd4 f4 37. Nc6 Rxc6+ 38. dxc6+ Kd8 39. Kxb5 Bf7 40. a4 Kc8 41. Re7 Bg6 42. Rg7 Bd3+ 43. Kc5 Kb8 44. c4 Bc2 45. Kb5 Bf5 46. a5 Be6 47. a6 Bf5 48. Rg8+ Ka7 49. Rg7 Kb8 50. a7+ Kxa7 51. Rxc7+ Kb8 52. Kb6 Bc8 53. Rf7 Ka8 54. Rf8 Kb8 55. c7+ Ka8 56. Rxc8# 1-0

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.23"]
[Round "9"]
[White "Londono, Neider Farid"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2103"]
[BlackElo "1716"]
[PlyCount "89"]
[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 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 d6 6. c4 0-0 7. d5 c6 8. Nc3 e5 9. dxe6 Bxe6 10. Qb3 Qc7 11. Ng5 Bf7 12. Rd1 Na6 13. Nxf7 Rxf7 14. Bf4 Rd8 15. Qa3 Bf8 16. Rac1 Nh5 17. Bg5 Be7 18. Bxe7 Qxe7 19. Qa5 f4 20. g4 Nf6 21. Qg5 Qe6 22. h3 Rdf8 23. Qxf4 Ne8 24. Qe4 Qf6 25. Qd4 Qh4 26. Rf1 h5 27. f3 Nc5 28. Qf2 Qf6 29. b4 Ne6 30. e3 hxg4 31. hxg4 g5 32. Ne4 Qe5 33. Qg3 Qb2 34. Nxd6 Nxd6 35. Qxd6 Rd8 36. Qxe6 Rd2 37. Qg6+ Rg7 38. Qe8+ Kh7 39. Qh5+ Kg8 40. Qe8+ Kh7 41. Bh1 Rg6 42. f4 Kg7 43. Be4 Rh6 44. fxg5 Rhh2 45. Rf7# 1-0

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.23"]
[Round "10"]
[White "Ospina Betancur, Santiago"]
[Black "Ortiz Lopera, Miguel Angel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1716"]
[BlackElo "1827"]
[PlyCount "134"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. b4 Bb6 7. 0-0 0-0 8. Bg5 h6 9. Bh4 Be6 10. Nbd2 Qe7 11. a4 a5 12. b5 Nb8 13. d4 Nbd7 14. Re1 Kh7 15. h3 Bxc4 16. Nxc4 Qe6 17. Qd3 Nh5 18. Bg3 Nxg3 19. fxg3 g6 20. Kh2 Rad8 21. g4 Kg7 22. Ne3 c6 23. g3 cxb5 24. Qxb5 Rc8 25. d5 Qf6 26. Kg2 Rxc3 27. Qxd7 Bxe3 28. Ra2 b6 29. Rf1 Qd8 30. Nxe5 Qxd7 31. Nxd7 Rd8 32. Nf6 Bd4 33. g5 hxg5 34. Ng4 Rdc8 35. Rd1 Rc2+ 36. Rd2 Rxa2 37. Rxa2 f5 38. exf5 gxf5 39. Nh2 Kf6 40. Rd2 Be5 41. Nf3 Rc4 42. Ra2 g4 43. hxg4 Rxg4 44. Kf2 Bxg3+ 45. Ke3 Bf4+ 46. Kf2 Be5 47. Ke3 Re4+ 48. Kd3 Rb4 49. Ra3 f4 50. Ke2 Rb2+ 51. Kd3 Rf2 52. Kc4 Rb2 53. Rb3 Rxb3 54. Kxb3 Kf5 55. Kc4 Ke4 56. Ng5+ Ke3 57. Nf7 f3 58. Nxe5 dxe5 59. Kb5 f2 60. Kxb6 f1Q 61. d6 Qf7 62. Kxa5 Qb7 63. d7 Qxd7 64. Kb4 Kd4 65. Ka5 Qc6 66. Kb4 Qb6+ 67. Ka3 Kc3 0-1

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.22"]
[Round "8"]
[White "Ospina Betancur, Santiago"]
[Black "Diaz Gonzalez, Ana Sofia"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1716"]
[BlackElo "1356"]
[PlyCount "77"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. b4 Bb6 7. 0-0 0-0 8. a4 a5 9. b5 Ne7 10. Ba3 h6 11. Nbd2 Ng6 12. d4 exd4 13. cxd4 Re8 14. Qc2 d5 15. exd5 Nxd5 16. Rfe1 Be6 17. Nb3 Nb4 18. Bxb4 Bxc4 19. Qxc4 axb4 20. Rxe8+ Qxe8 21. a5 Ba7 22. Qxb4 Rd8 23. Re1 Qd7 24. h3 Bb8 25. Nc5 Qd5 26. Qb3 Qf5 27. Nxb7 Rc8 28. Ne5 Nxe5 29. Rxe5 Qf4 30. Qe3 Qxe3 31. fxe3 Kf8 32. Rc5 Re8 33. Kf2 f6 34. a6 Re7 35. Nd8 Ba7 36. Rxc7 Rxc7 37. Ne6+ Ke7 38. Nxc7 Kd7 39. Nd5 1-0

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.22"]
[Round "7"]
[White "Perez, William"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "1944"]
[BlackElo "1716"]
[PlyCount "52"]
[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. Nf3 f5 2. b3 Nf6 3. Bb2 g6 4. c4 Bg7 5. g3 d6 6. d4 0-0 7. Bg2 Qe8 8. d5 c6 9. 0-0 e5 10. dxc6 Nxc6 11. Qxd6 Ne4 12. Qd1 Be6 13. Nc3 Nxc3 14. Bxc3 e4 15. Bxg7 exf3 16. Bxf8 fxg2 17. Kxg2 Qxf8 18. e3 Ne5 19. Qd4 Qf6 20. Rad1 Bd7 21. f3 Bc6 22. b4 b6 23. c5 b5 24. Qc3 Rc8 25. Rd6 Qxd6 26. e4 Qe6 0-1

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.21"]
[Round "6"]
[White "Ospina Betancur, Santiago"]
[Black "Caicedo Anguila, Juliana Andrea"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1716"]
[BlackElo "1698"]
[PlyCount "125"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 Nf6 6. Nc3 0-0 7. c5 Be7 8. Be2 b6 9. Be3 a5 10. a3 bxc5 11. dxc5 Ba6 12. 0-0 Bxe2 13. Nxe2 Na6 14. Rc1 c6 15. Ne5 Rc8 16. f3 Re8 17. Nd3 Nd7 18. Bd4 Qc7 19. b4 Rb8 20. Qd2 axb4 21. axb4 Qd8 22. Ra1 Nc7 23. Nc3 Ne6 24. Bf2 Bf6 25. Ra6 Nd4 26. Bxd4 Bxd4+ 27. Kh1 Re6 28. Nf4 Bxc3 29. Qxc3 Rh6 30. g3 Qc8 31. Ra2 Qb7 32. Re1 Nf8 33. Nd3 Ne6 34. Rae2 Rf8 35. f4 Qc7 36. Ne5 d4 37. Qb3 Nd8 38. Qc4 Qa7 39. Qxd4 Qa3 40. Re3 Qa2 41. Ng4 Re6 42. f5 Rxe3 43. Qxe3 f6 44. Qe4 Qd2 45. Re2 Qc3 46. Nf2 Nf7 47. Re3 Qd2 48. Kg2 Ng5 49. Qc4+ Kh8 50. Rd3 Qe2 51. h4 Nh3 52. Kxh3 Qxf2 53. Qf4 Qe1 54. b5 cxb5 55. Rd6 Re8 56. c6 b4 57. c7 Qh1+ 58. Kg4 Qa8 59. Qd2 Qe4+ 60. Qf4 Qa8 61. Qf3 Re4+ 62. Kh3 Rxh4+ 63. Kxh4 1-0

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.21"]
[Round "5"]
[White "Valencia Quinchia, Isabella"]
[Black "Ospina Betancur, Santiago"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1473"]
[BlackElo "1716"]
[PlyCount "136"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. N1c3 a6 8. Na3 g6 9. Be3 Bg7 10. Qd2 Nge7 11. Nc2 f5 12. f3 Qc7 13. Nd5 Bxd5 14. cxd5 Nb8 15. Rc1 Qd8 16. Qb4 fxe4 17. fxe4 0-0 18. Be2 a5 19. Qa3 Nc8 20. Bf3 Nd7 21. 0-0 Nf6 22. Qb3 Ne7 23. Na3 Qd7 24. Nb5 Rfc8 25. a4 h6 26. Qa3 Ne8 27. h3 h5 28. g4 h4 29. Kh2 g5 30. Bxg5 Ng6 31. Bg2 Bf8 32. Qf3 Rxc1 33. Rxc1 Be7 34. Be3 Bd8 35. g5 Ng7 36. Qe2 Nf4 37. Bxf4 exf4 38. Bf3 Bxg5 39. Rc7 Qd8 40. Qg2 Ne8 41. Rc1 Ng7 42. Rg1 Bf6 43. Rc1 Bg5 44. Qg4 Bf6 45. Rc7 Qf8 46. Qg2 Re8 47. Bg4 Be5 48. Qf3 Re7 49. Rc1 Qf6 50. Rc8+ Re8 51. Rxe8+ Nxe8 52. Be6+ Kf8 53. Kh1 Ng7 54. Bg4 Bxb2 55. Bc8 b6 56. Bg4 Ke7 57. Qf2 Qe5 58. Qxh4+ Kf8 59. Qd8+ Ne8 60. Bf3 Qh8 61. Kh2 Bf6 62. Qd7 Bh4 63. Qf5+ Ke7 64. Qxf4 Qb2+ 65. Kh1 Qa1+ 66. Kh2 Qb2+ 67. Kh1 Qa1+ 68. Kh2 Qb2+ 1/2-1/2

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.20"]
[Round "3"]
[White "Loaiza Cuervo, Santiago"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2027"]
[BlackElo "1716"]
[PlyCount "105"]
[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 c5 2. Nf3 Nc6 3. c4 d6 4. d4 cxd4 5. Nxd4 e5 6. Nc2 Be6 7. Nc3 g6 8. Bd3 Bg7 9. Nd5 Nge7 10. 0-0 0-0 11. Nce3 Nd4 12. Nxe7+ Qxe7 13. Bd2 f5 14. Bc3 Nc6 15. exf5 gxf5 16. f3 Kh8 17. Qc2 Qf7 18. b3 Ne7 19. Rad1 f4 20. Ng4 Bxg4 21. fxg4 d5 22. cxd5 Nxd5 23. Bd2 Rac8 24. Qb1 h6 25. Kh1 Qe7 26. Bf5 Rcd8 27. Rde1 Qd6 28. Rf3 Rf6 29. Rd3 Qc7 30. Qd1 Rfd6 31. Qe2 Qb6 32. Bc1 Nb4 33. Rxd6 Qxd6 34. Ba3 Qd4 35. Bxb4 Qxb4 36. Rd1 Rd4 37. h3 Qd6 38. Rc1 Bf6 39. Qb5 b6 40. Qe8+ Kg7 41. Qg6+ Kf8 42. Qxh6+ Kf7 43. Qh5+ Kf8 44. Qh6+ Ke7 45. Rc8 Rd1+ 46. Kh2 Kf7 47. Qh7+ Bg7 48. Qg8+ Kf6 49. Rd8 Rh1+ 50. Kxh1 Qc6 51. Rc8 Qd6 52. Qd8+ Qxd8 53. Rxd8 1-0

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.20"]
[Round "4"]
[White "Ospina Betancur, Santiago"]
[Black "Panesso Rivera, Henry"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1716"]
[BlackElo "2358"]
[PlyCount "80"]
[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 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 Nge7 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 Nc6 8. Qf2 Bb4 9. Bd2 d6 10. Bc4 a6 11. 0-0 b5 12. Be2 Bc5 13. Be3 Qb6 14. Bxc5 Qxc5 15. Rad1 Bb7 16. Bf3 Ke7 17. Rd2 Qxf2+ 18. Kxf2 Na5 19. Be2 b4 20. Na4 Bxe4 21. Rd4 Bxc2 22. Rxb4 Rab8 23. Rd4 Nc6 24. Rc4 Bxa4 25. Rxa4 Rxb2 26. Rc1 Nb4 27. Rc7+ Kf6 28. a3 Nd5 29. Rc6 Rhb8 30. Rd4 Ra2 31. Rxd6 Nc3 32. Rd2 Ne4+ 33. Ke3 Nxd2 34. Rxd2 Rb3+ 35. Rd3 Rxd3+ 36. Kxd3 Rxa3+ 37. Ke4 Ra2 38. Bf1 a5 39. Kf3 a4 40. Bc4 Rc2 0-1

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.19"]
[Round "2"]
[White "Ospina Betancur, Santiago"]
[Black "Miranda Vargas, Analia Karen"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1716"]
[BlackElo "1866"]
[PlyCount "101"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. b4 Bb6 7. 0-0 h6 8. a4 a6 9. Be3 Bxe3 10. fxe3 0-0 11. Qb3 Ne7 12. Nbd2 c6 13. d4 d5 14. Bd3 dxe4 15. Bxe4 Be6 16. Qb2 Nxe4 17. Nxe4 Nf5 18. Nxe5 Nxe3 19. Rf3 Nd5 20. Nc5 Bc8 21. Raf1 f6 22. Qf2 Re8 23. Rg3 Qe7 24. Ng6 Qe2 25. Qxe2 Rxe2 26. Nf4 Nxf4 27. Rxf4 b6 28. Ne4 Kh7 29. Kf1 Ra2 30. Rxf6 Bg4 31. Rf7 Kg8 32. Nd6 h5 33. h3 Rd8 34. hxg4 Rxd6 35. Rb7 h4 36. Re3 Rf6+ 37. Rf3 Re6 38. Rff7 Rg6 39. Rf2 Rxa4 40. Rxb6 Re6 41. Re2 Ra1+ 42. Kf2 Rf6+ 43. Ke3 Ra3 44. Kd3 a5 45. g5 Rg6 46. b5 Rb3 47. Kc4 cxb5+ 48. Rxb5 Rxb5 49. Kxb5 Rxg5+ 50. Kc6 a4 51. d5 1-0

[Event "Medellin Raza Cup"]
[Site "Medellin"]
[Date "2022.10.19"]
[Round "1"]
[White "Pedraza, Yonnattanth"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2108"]
[BlackElo "1716"]
[PlyCount "67"]
[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. c4 f5 2. d3 g6 3. h4 Nf6 4. h5 Nxh5 5. e4 Nf6 6. e5 Ng8 7. Nf3 Bg7 8. d4 d6 9. Bf4 Nc6 10. e6 Bxe6 11. d5 Bxb2 12. Nbd2 Bxa1 13. Qxa1 Nf6 14. dxe6 Qc8 15. Ng5 Nd8 16. Ndf3 Nxe6 17. g3 Nxg5 18. Nxg5 e5 19. Bxe5 Ne4 20. Bf4 Kd7 21. Qg7+ Kc6 22. Bg2 Qf8 23. Qd4 Re8 24. Kf1 Kd7 25. Nxe4 fxe4 26. Bh3+ Ke7 27. Bg5+ Kf7 28. Qf6+ Kg8 29. Be6+ Rxe6 30. Qxe6+ Qf7 31. Qc8+ Qf8 32. Qxf8+ Kxf8 33. Bf6 Rg8 34. Rxh7 1-0

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.07"]
[Round "9"]
[White "Ospina Betancur, Santiago"]
[Black "Iral Castro, Brahiam"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1667"]
[BlackElo "1859"]
[PlyCount "35"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Nf6 6. 0-0 0-0 7. Bg5 Bg4 8. Re1 Nbd7 9. Nbd2 c6 10. h3 Bh5 11. c3 Qc7 12. Qc2 Rfe8 13. b3 Bg6 14. c4 a5 15. Nh4 Bf4 16. Bxf4 Qxf4 17. Bxg6 hxg6 18. Nhf3 0-1

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.06"]
[Round "7"]
[White "Aristizabal Soto, Diego Fernando"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1460"]
[BlackElo "1667"]
[PlyCount "82"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 f5 8. exf5 Bxf5 9. Bd3 Be6 10. Bc4 Bxc4 11. Nxc4 Nf6 12. Bg5 Be7 13. Bxf6 gxf6 14. Nd5 0-0 15. Nxe7+ Qxe7 16. Qxd6 Qf7 17. Qd3 Rad8 18. Qg3+ Kh8 19. Ne3 f5 20. Qg5 f4 21. Ng4 Rg8 22. Nh6 Qg6 23. Qxg6 Rxg6 24. Nf7+ Kg7 25. Nxd8 Nxd8 26. 0-0 Ne6 27. c3 f3 28. g3 Nf4 29. h4 Nd3 30. Rfd1 e4 31. Rd2 Rb6 32. Rad1 Kg6 33. Kf1 Rd6 34. Rxd3 exd3 35. Ke1 Re6+ 36. Kd2 Re2+ 37. Kxd3 Rxf2 38. Ke3 Rxb2 39. Rd2 Rxd2 40. Kxd2 Kf5 41. Ke3 Kg4 0-1

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.06"]
[Round "6"]
[White "Ospina Betancur, Santiago"]
[Black "Zapata Montoya, Andres Geronimo"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1667"]
[BlackElo "1963"]
[PlyCount "62"]
[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 c5 2. Nc3 a6 3. f4 Nc6 4. Nf3 e6 5. Be2 d5 6. d3 Nf6 7. 0-0 Be7 8. Qe1 Nd4 9. Bd1 dxe4 10. dxe4 Bd7 11. e5 Ng4 12. Nxd4 cxd4 13. Bxg4 dxc3 14. Qxc3 Rc8 15. Qb3 Bb5 16. Rd1 Qc7 17. c3 Bc5+ 18. Kh1 Bc6 19. Qc2 h5 20. Be2 h4 21. h3 Ba7 22. Bd3 Rd8 23. Qe2 Qb6 24. b3 Qc5 25. Bb2 0-0 26. Qe1 Qf2 27. Qxf2 Bxf2 28. Rf1 Rxd3 29. Rxf2 Rxh3+ 30. Kg1 Rd3 31. Kh2 Rfd8 0-1

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.05"]
[Round "5"]
[White "Alvarez Alvarez, Luis Fernando"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1715"]
[BlackElo "1667"]
[PlyCount "114"]
[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 f5 2. c4 Nf6 3. Nc3 g6 4. h4 Bg7 5. h5 Nxh5 6. Rxh5 gxh5 7. e3 0-0 8. Qxh5 Qe8 9. Qh2 d6 10. Nf3 e5 11. Ng5 h6 12. Nf3 exd4 13. Nd5 Rf7 14. Be2 Be6 15. Nf4 d3 16. Bxd3 Nc6 17. Qg3 Ne5 18. Nxe5 dxe5 19. Nh5 Rd8 20. Be2 Qf8 21. Bd2 Qc5 22. Qg6 Bxc4 23. Rc1 b5 24. b3 Qd5 25. Bc3 Bxe2 26. Kxe2 Rd6 27. Qg3 f4 28. Qf3 Qxf3+ 29. gxf3 Bh8 30. Rg1+ Kh7 31. Rg4 Rf5 32. Rh4 Rc6 33. Kd2 fxe3+ 34. fxe3 Rg6 35. f4 e4 36. Bxh8 Kxh8 37. Rh3 Rd5+ 38. Kc3 a5 39. f5 Rc6+ 40. Kb2 Rxf5 41. Nf4 Kh7 42. Rh4 Rcc5 43. Rh1 h5 44. Rd1 Kh6 45. Rd4 Rfe5 46. Rd8 Kg7 47. Rd7+ Kf6 48. a3 Rf5 49. b4 axb4 50. axb4 Rc4 51. Kb3 Rxf4 52. exf4 e3 53. Rd5 Re4 54. Rd1 h4 55. Kc3 e2 56. Re1 h3 57. Kd3 Kf5 0-1

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.04"]
[Round "3"]
[White "Cano, Luis Fernando"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2013"]
[BlackElo "1667"]
[PlyCount "16"]
[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 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be7 1-0

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.04"]
[Round "2"]
[White "Ospina Betancur, Santiago"]
[Black "Lopez Ramirez, David Santiago"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1667"]
[BlackElo "2122"]
[PlyCount "48"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 cxd6 5. Bc4 Nb6 6. Bd3 g6 7. h3 Bg7 8. Nf3 0-0 9. 0-0 Nc6 10. c3 e5 11. Be3 f5 12. dxe5 dxe5 13. Qb3+ Kh8 14. Bxb6 Qxb6 15. Qxb6 axb6 16. Bc2 e4 17. Nh2 b5 18. f3 e3 19. f4 Nb4 20. Rc1 Be6 21. Na3 Nxa2 22. Re1 Rxa3 23. bxa3 Bxc3 24. Rxa2 Bxa2 0-1

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.03"]
[Round "1"]
[White "Arrieta Hernandez, Cristian"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2168"]
[BlackElo "1667"]
[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. g3 f5 2. e4 fxe4 3. d3 exd3 4. Bxd3 Nf6 5. g4 g6 6. h4 d5 7. g5 Nh5 8. Nc3 c6 9. Nge2 Bg4 10. Rg1 Bf3 11. Qd2 e5 12. Qe3 e4 13. Nd4 Bc5 14. Nxe4 dxe4 15. Bxe4 Qxd4 16. Bxc6+ Kd8 17. Bxf3 Re8 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.29"]
[Round "7"]
[White "Gonzalez, Flabio Enrique"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1600"]
[BlackElo "1586"]
[PlyCount "30"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[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. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. Qxd5 Qxd5 14. Rxd5 Be6 15. a3 Bxd5 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.28"]
[Round "5"]
[White "Ospina Betancur, Santiago"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C33"]
[WhiteElo "1586"]
[BlackElo "2031"]
[PlyCount "42"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 g5 4. h4 Nc6 5. Nf3 g4 6. Ng1 Bc5 7. Ne2 f3 8. gxf3 gxf3 9. Nf4 f2+ 10. Kf1 Nf6 11. d3 Rg8 12. Ng2 d5 13. exd5 Bg4 14. Qd2 Bf3 15. Ne3 Bxh1 16. dxc6 Rg1+ 17. Ke2 Re1+ 18. Kxf2 Bxe3+ 19. Qxe3+ Rxe3 20. Bxe3 Ng4+ 21. Kg1 Nxe3 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "2"]
[White "Galindo, Gustavo"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1912"]
[BlackElo "1586"]
[PlyCount "93"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. b4 f5 2. e3 Nf6 3. Bb2 g6 4. Bc4 e6 5. a3 Bg7 6. Nf3 d6 7. d4 0-0 8. Nbd2 Qe7 9. 0-0 Kh8 10. Re1 c6 11. Bb3 Nbd7 12. c4 e5 13. dxe5 dxe5 14. Qc2 e4 15. Nd4 c5 16. Ne2 Ne5 17. Bxe5 Qxe5 18. h3 Rd8 19. Rac1 Be6 20. bxc5 Qxc5 21. Nd4 Bf7 22. Qa2 Nd7 23. Ne2 Ne5 24. Red1 Nd3 25. Rb1 b6 26. Bc2 Ne5 27. Rb5 Qc7 28. Bb3 a6 29. Rd5 Bxd5 30. cxd5 Qd6 31. Nf4 Rdc8 32. Nc4 Nxc4 33. Bxc4 b5 34. Bb3 Be5 35. Ne6 h6 36. f4 exf3 37. gxf3 Rc3 38. Nd4 Bxd4 39. Rxd4 Rc1+ 40. Kf2 Rac8 41. Qb2 Kh7 42. Rd2 R8c3 43. Rd1 Qc5 44. Rxc1 Qxe3+ 45. Kg2 Qxf3+ 46. Kh2 Qxh3+ 47. Kg1 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "3"]
[White "Ospina Betancur, Santiago"]
[Black "Agudelo, Pedro Luis"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "1586"]
[BlackElo "1970"]
[PlyCount "99"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Bc4 Nf6 5. Nc3 Bd6 6. Qe2+ Qe7 7. Qxe7+ Kxe7 8. Nf3 Re8 9. 0-0 Kf8 10. d4 Ng4 11. Nb5 Ne3 12. Bxe3 fxe3 13. Nxd6 cxd6 14. Ng5 f6 15. Ne6+ Bxe6 16. dxe6 Nc6 17. d5 Ne5 18. Bb3 Rec8 19. Rae1 Nc4 20. Rf4 Nxb2 21. Kf1 b5 22. Rb1 Na4 23. Bxa4 bxa4 24. Rc1 Rc5 25. c4 Rac8 26. Rd4 Rb8 27. Rc2 a3 28. Ke2 Rb2 29. Kd3 Ke7 30. Re2 f5 31. Kxe3 g5 32. Kd3 Rb1 33. g3 Rc7 34. Kc3 Kf6 35. Rc2 h5 36. Rd3 Re1 37. Kd2 Rh1 38. Ke3 Re1+ 39. Kf2 Re4 40. c5 Ke7 41. c6 Ra4 42. Rcc3 Rb4 43. Rb3 a5 44. Rxb4 axb4 45. Rb3 Kf6 46. Rxb4 Ke5 47. Rb7 Rc8 48. e7 Kf6 49. Rd7 Re8 50. c7 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.28"]
[Round "9"]
[White "Ospina Betancur, Santiago"]
[Black "Londono Lopez, Donaldo Eliuver"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1426"]
[BlackElo "2130"]
[PlyCount "70"]
[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 c5 2. Nc3 d6 3. g3 g6 4. Nge2 Nc6 5. Bg2 Bg7 6. 0-0 e6 7. d3 Rb8 8. a4 a6 9. Be3 Nd4 10. f4 Ne7 11. Bxd4 cxd4 12. Nb1 Bd7 13. Nd2 Nc6 14. Kh1 0-0 15. Nf3 Qb6 16. Qc1 Rfc8 17. c3 f5 18. Qd2 dxc3 19. bxc3 fxe4 20. dxe4 Na5 21. Rfb1 Qc5 22. Nfd4 Nc4 23. Qd3 e5 24. Nb3 Qe3 25. Qd5+ Kh8 26. Nbc1 Qf2 27. Qd1 Qxg2+ 28. Kxg2 Ne3+ 29. Kf3 Nxd1 30. Na2 Bxa4 31. Rxd1 Bxd1 32. Rxd1 Rc6 33. Nb4 Rb6 34. Nd5 Rb2 35. c4 a5 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.27"]
[Round "8"]
[White "Moreno Vega, Jose Miguel"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1925"]
[BlackElo "1426"]
[PlyCount "44"]
[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 f5 2. c4 Nf6 3. Nc3 g6 4. f3 Bg7 5. e4 d6 6. d5 e5 7. Bd3 f4 8. Nge2 Bd7 9. Bd2 Na6 10. a3 Nc5 11. Bc2 a5 12. b4 axb4 13. axb4 Rxa1 14. Qxa1 Na6 15. Nb5 Nh5 16. Bd3 Qh4+ 17. Kd1 0-0 18. Be1 Qg5 19. Rg1 Qe7 20. Qa5 g5 21. Nxc7 Nxc7 22. Qxc7 Ba4+ 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "7"]
[White "Ospina Betancur, Santiago"]
[Black "Gutierrez, Jhon Jaime"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1426"]
[BlackElo "1785"]
[PlyCount "101"]
[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 e6 2. d4 d5 3. Nc3 c6 4. Bd3 Nf6 5. Bg5 Be7 6. e5 Nfd7 7. Bxe7 Qxe7 8. Nge2 a6 9. Ng3 c5 10. Qg4 g6 11. f4 h5 12. Qf3 h4 13. Nf1 cxd4 14. Nd1 Nc6 15. a3 b5 16. Nd2 g5 17. Nb3 Bb7 18. Nf2 0-0-0 19. Ng4 f5 20. exf6 Nxf6 21. fxg5 Nxg4 22. Qxg4 Kb8 23. 0-0-0 e5 24. Bf5 a5 25. Rhe1 Qd6 26. Nd2 a4 27. Kb1 b4 28. Ka2 e4 29. Nf1 Ba6 30. Nd2 Ka7 31. g6 bxa3 32. bxa3 Qc5 33. Rb1 Na5 34. Bxe4 dxe4 35. Qxe4 Bb7 36. Qe7 Qd5+ 37. Ka1 Qd6 38. Rb5 Qa6 39. Ree5 Nc6 40. Qc5+ Ka8 41. Rb6 Qxb6 42. Qxb6 Nxe5 43. Qa5+ Kb8 44. Qxe5+ Ka8 45. Nc4 Rhe8 46. Nb6+ Ka7 47. Qa5+ Kb8 48. Qxa4 d3 49. cxd3 Re1+ 50. Kb2 Rd6 51. Qf4 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "4"]
[White "Acosta Cruz, Luis Ivan"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1758"]
[BlackElo "1426"]
[PlyCount "76"]
[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. c4 c5 2. g3 g6 3. Nc3 Nc6 4. Bg2 Bg7 5. d3 d6 6. Nf3 Nf6 7. 0-0 0-0 8. a3 a6 9. Rb1 a5 10. Re1 e6 11. Bd2 d5 12. Bg5 h6 13. Bxf6 Bxf6 14. Qc1 Bxc3 15. bxc3 Kh7 16. Qe3 d4 17. cxd4 cxd4 18. Qf4 g5 19. Qd2 Qd6 20. Rec1 e5 21. c5 Qe6 22. Rb6 Qe7 23. Ne1 Qc7 24. e3 Rd8 25. exd4 Nxd4 26. h4 Ne6 27. Be4+ Kg7 28. Qc3 Nd4 29. hxg5 Ne2+ 30. Kg2 Nxc3 31. gxh6+ Kh8 32. Rxc3 Ra6 33. Rb5 Rxh6 34. Nf3 Bh3+ 35. Kg1 Qc8 36. Nxe5 Qe6 37. f4 Qa2 38. Nxf7+ Qxf7 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "5"]
[White "Ospina Betancur, Santiago"]
[Black "Gomez, Hernan Alberto"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1426"]
[BlackElo "1827"]
[PlyCount "70"]
[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 c6 2. d4 g6 3. Nc3 Bg7 4. Be2 d5 5. e5 h5 6. f4 Nh6 7. Be3 Qb6 8. Na4 Qa5+ 9. c3 Qc7 10. Nf3 Bg4 11. h3 Bxf3 12. Bxf3 Nf5 13. Bf2 h4 14. Bg4 Nd7 15. b3 e6 16. Nb2 c5 17. Bxf5 gxf5 18. c4 cxd4 19. Bxd4 Nb6 20. 0-0 dxc4 21. Rc1 Rd8 22. Qd2 Bf8 23. Qc3 Rxd4 24. Kh1 Rd7 25. bxc4 Rg8 26. Rf3 Bc5 27. Qe1 Qd8 28. Qa5 Rd2 29. Nd3 Rxd3 30. Rxd3 Qxd3 31. Qxc5 Qe4 32. Rg1 Rg3 33. Kh2 Qxf4 34. Qc7 Rxh3+ 35. Kxh3 Qg3# 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "2"]
[White "Munoz, Edgar Alex"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1730"]
[BlackElo "1426"]
[PlyCount "61"]
[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. Nf3 c5 2. b3 Nc6 3. Bb2 Nf6 4. c4 d6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. h3 e5 9. d3 Ne8 10. e3 f5 11. Nbd2 Nc7 12. a3 Qe7 13. Qc2 Bd7 14. Rae1 Rab8 15. Nh2 Qg5 16. Bc3 b5 17. Ba1 f4 18. Ne4 Qh6 19. Nxd6 Bxh3 20. cxb5 Bxg2 21. Kxg2 Nd8 22. exf4 exf4 23. Qc4+ Kh8 24. Ng4 f3+ 25. Kg1 Qg5 26. Bxg7+ Kxg7 27. Re5 Qd2 28. Re7+ Kh8 29. Rxc7 h5 30. Qxc5 Qb2 31. d4 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "3"]
[White "Ospina Betancur, Santiago"]
[Black "Sanchez Reyes, Juan Sebastian"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1426"]
[BlackElo "1613"]
[PlyCount "67"]
[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 e5 2. f4 d6 3. Nf3 Nc6 4. Bb5 Bg4 5. 0-0 Nge7 6. h3 Bd7 7. fxe5 dxe5 8. Ng5 f6 9. Bc4 Ng6 10. Nf7 Bc5+ 11. Kh1 Qe7 12. Nxh8 Nxh8 13. Nc3 0-0-0 14. d3 a6 15. a3 Qe8 16. b4 Bd4 17. Bd2 Na7 18. Ra2 Ng6 19. Nd5 Ne7 20. Be3 Bxe3 21. Nxe3 Nb5 22. Bxb5 Bxb5 23. Qg4+ Bd7 24. Qxg7 Qg6 25. Qxg6 hxg6 26. Rxf6 Rh8 27. Kh2 g5 28. Nf5 Nxf5 29. exf5 g4 30. Ra1 gxh3 31. gxh3 c6 32. Re1 Re8 33. h4 Kc7 34. Kh3 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.23"]
[Round "1"]
[White "Ospina Betancur, Santiago"]
[Black "Nino Penaloza, Cesar Gerardo"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1426"]
[BlackElo "1889"]
[PlyCount "86"]
[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 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 Nf6 6. d3 e6 7. 0-0 a6 8. a4 Nc6 9. Bd2 d5 10. Bb3 dxe4 11. dxe4 Nd4 12. e5 Ng4 13. Ne4 0-0 14. Nxc5 Nxf3+ 15. Rxf3 Qb6 16. Rc3 h5 17. Qe2 Rd8 18. h3 Bf8 19. Be3 Nxe3 20. Qxe3 a5 21. Ne4 Qxe3+ 22. Rxe3 b6 23. Rd3 Ba6 24. Rdd1 Be2 25. Rxd8 Rxd8 26. Kf2 Ba6 27. Re1 h4 28. Ke3 Kg7 29. Kf3 Bb7 30. Bc4 Rd4 31. b3 Bc5 32. Bd3 Bc6 33. Kg4 Be7 34. Re3 Kh6 35. c3 Rd8 36. Bc2 Kg7 37. Kf3 Bc5 38. Rd3 Rc8 39. Rd2 Bg1 40. c4 Bc5 41. Rd1 Rg8 42. Kg4 Be7 43. Rd2 Rh8 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.16"]
[Round "10"]
[White "Ospina Betancur, Santiago"]
[Black "Azza, Johan Sebastian"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1280"]
[BlackElo "1436"]
[PlyCount "61"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bf5 6. Nf3 e6 7. Bd2 c6 8. h3 Nbd7 9. Bb3 Bd6 10. a4 Bb4 11. Qe2 0-0 12. 0-0 Rfe8 13. Rfe1 Rad8 14. Rad1 Nb6 15. Na2 Bxd2 16. Qxd2 Qxd2 17. Rxd2 Be4 18. Ne5 Nbd7 19. f4 h6 20. a5 Nc5 21. Bc4 Bh7 22. c3 Nce4 23. Rde2 Nd6 24. Bd3 Bxd3 25. Nxd3 Nc4 26. Nab4 Nxa5 27. Ra1 b6 28. Ne5 Rc8 29. Nbd3 Re7 30. b4 Nc4 31. Nxc4 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.16"]
[Round "11"]
[White "Ospina Betancur, Santiago"]
[Black "Lopez Ramirez, Jorge Hernan"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1280"]
[BlackElo "1924"]
[PlyCount "68"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Be2 e6 6. d3 Ne7 7. Nb1 d5 8. c3 Ndc6 9. 0-0 g6 10. Na3 Bg7 11. Nc2 0-0 12. Bf4 h6 13. Qc1 g5 14. Bd2 Ng6 15. h3 f5 16. exd5 Qxd5 17. Rd1 e5 18. Na3 Kh8 19. c4 Qf7 20. Be3 b6 21. Nh2 f4 22. Bd2 Nd4 23. Re1 Nh4 24. f3 Bf5 25. Qd1 Rad8 26. Bf1 h5 27. b4 Rd6 28. bxc5 bxc5 29. Ba5 Qd7 30. Bc3 Nc6 31. Qc2 Bxd3 32. Bxd3 Rxd3 33. Red1 Rd8 34. Re1 Rxc3 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.15"]
[Round "9"]
[White "Jaramillo, Carlos Orlando"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1925"]
[BlackElo "1280"]
[PlyCount "59"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 f5 7. N1c3 a6 8. Na3 Nf6 9. Bd3 f4 10. 0-0 Be7 11. Nd5 0-0 12. f3 g5 13. Bd2 Be6 14. Nc2 Rc8 15. Be1 Kg7 16. Be2 h5 17. b4 Rh8 18. a4 Bxd5 19. cxd5 Nb8 20. Rc1 Qd7 21. b5 g4 22. Nb4 a5 23. Nd3 Bd8 24. Bc3 Bb6+ 25. Kh1 Qe7 26. Qb3 Nfd7 27. Qb2 g3 28. h3 Rcg8 29. Bd2 Bd4 30. Qb3 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.14"]
[Round "6"]
[White "Aguirre Marin, Luis Fernando"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1280"]
[PlyCount "98"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 Nc6 4. Nf3 d6 5. d3 Nf6 6. Qe2 Nd4 7. Qd1 Bd7 8. Nxd4 cxd4 9. Ne2 e5 10. f4 Be7 11. 0-0 0-0 12. f5 a5 13. a3 Bc6 14. c3 dxc3 15. bxc3 d5 16. exd5 Bxd5 17. Bxd5 Qxd5 18. Bb2 Qc6 19. Rb1 Ng4 20. Qd2 e4 21. d4 e3 22. Qd3 Qh6 23. h3 Nf2 24. Rxf2 exf2+ 25. Kxf2 Bd6 26. c4 Rac8 27. c5 Bc7 28. Bc1 Qh4+ 29. Kf1 Qf6 30. Rxb7 Qc6 31. Rb3 Rfd8 32. Bd2 Rb8 33. Rxb8 Rxb8 34. Qe3 Re8 35. Qd3 Rd8 36. Qe3 Qd5 37. g4 Kf8 38. f6 gxf6 39. Qh6+ Kg8 40. Qxf6 Qh1+ 41. Ng1 Rb8 42. Qg5+ Kf8 43. Qf5 Bh2 44. Bh6+ Ke8 45. Be3 Rb2 46. Qf3 Rb1+ 47. Ke2 Rxg1 48. Bxg1 Qxf3+ 49. Kxf3 Bxg1 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.14"]
[Round "7"]
[White "Mena, Yamil Octavio"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "1906"]
[BlackElo "1280"]
[PlyCount "87"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. d4 cxd4 5. Nxd4 Bd7 6. Nc3 e5 7. Nf3 a6 8. Bc4 Be7 9. Nd5 Nf6 10. Nxf6+ gxf6 11. Bh6 Bg4 12. c3 Qc7 13. Qa4 Bf8 14. Be3 Rc8 15. Bd5 Be6 16. 0-0-0 Qd7 17. h3 Bxd5 18. Rxd5 b5 19. Qxa6 Nb4 20. Qxb5 Nxd5 21. Qxd5 Qc6 22. Qxc6+ Rxc6 23. a3 Kd7 24. Kc2 Be7 25. b4 Rhc8 26. Bd2 Rc4 27. Re1 Kc6 28. Kb3 Kb6 29. Nh4 Bd8 30. Nf5 R4c6 31. a4 Kc7 32. b5 Rb6 33. c4 Kd7 34. Be3 Rb7 35. Rd1 Bc7 36. Bc5 Bb8 37. Bxd6 Ke8 38. Ng7+ Kd7 39. Bxb8+ Ke7 40. Bd6+ Kd7 41. c5 Rxc5 42. Bxc5+ Kc7 43. Ne8+ Kb8 44. Rd8# 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.13"]
[Round "4"]
[White "Hincapie Lopez, Santiago"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "1566"]
[BlackElo "1280"]
[PlyCount "160"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. d4 cxd4 5. Nxd4 Bd7 6. 0-0 Nf6 7. Nc3 e5 8. Nxc6 bxc6 9. Ba4 Be7 10. Bg5 Rc8 11. Qd3 Qc7 12. Rad1 Nh5 13. f4 Bxg5 14. fxg5 Ke7 15. g3 Bg4 16. Rd2 f6 17. Qe3 Qb6 18. Qxb6 axb6 19. gxf6+ Nxf6 20. Bb3 Rhf8 21. Kg2 b5 22. a3 Rb8 23. h3 Bh5 24. g4 Bg6 25. Re1 b4 26. axb4 Rxb4 27. Rde2 Nd7 28. Ra1 Rf4 29. Rd1 Nc5 30. Ra1 Nxb3 31. Ra7+ Kf6 32. cxb3 Bxe4+ 33. Nxe4+ Rbxe4 34. Rc2 c5 35. Ra6 Ke7 36. Ra7+ Kf8 37. Rb7 Rf7 38. Rf2 Rxf2+ 39. Kxf2 Rf4+ 40. Ke3 Rf7 41. Rb8+ Ke7 42. Rb7+ Ke6 43. Rb8 h6 44. b4 c4 45. b5 Kd5 46. b6 Kc6 47. Rc8+ Kxb6 48. Rxc4 Kb5 49. Rc8 d5 50. Rb8+ Kc6 51. Rc8+ Rc7 52. Re8 Kd6 53. Ra8 Rb7 54. Rd8+ Ke6 55. Re8+ Kf6 56. Rf8+ Ke7 57. Rf5 Rb3+ 58. Kf2 Rxb2+ 59. Kg3 Re2 60. Kh4 g6 61. Rf1 Re3 62. Ra1 g5+ 63. Kh5 Rxh3+ 64. Kg6 Kd6 65. Ra6+ Kc5 66. Ra5+ Kc4 67. Ra4+ Kb5 68. Ra8 d4 69. Rb8+ Kc4 70. Kf5 Re3 71. Rc8+ Kd3 72. Ra8 e4 73. Ra3+ Ke2 74. Ra2+ Kf3 75. Ra1 d3 76. Rf1+ Kg2 77. Rd1 Re2 78. Kg6 d2 79. Kxh6 e3 80. Kxg5 Re1 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.13"]
[Round "5"]
[White "Ospina Betancur, Santiago"]
[Black "Triana Castro, Francisco Javier"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1280"]
[BlackElo "1700"]
[PlyCount "68"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Nf6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. Bd2 Nbd7 10. Ne4 Bb4 11. c3 Nxe4 12. Qxe4 Be7 13. 0-0 0-0 14. Qe2 Nf6 15. Bg5 Qxg5 16. f4 Qh5 17. Rf3 Nd5 18. g4 Qh4 19. Bd3 Nxf4 20. Qe3 Nxd3 21. Qxd3 Rad8 22. Qe3 Rd7 23. Raf1 Bf6 24. Rg3 Qg5 25. Qd3 Rfd8 26. Rf2 c5 27. h4 Qxh4 28. Rh2 Qg5 29. Qxh7+ Kf8 30. Qd3 cxd4 31. Qc4 Qc1+ 32. Kg2 Qxb2+ 33. Kh1 Qb6 34. g5 Be5 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.12"]
[Round "2"]
[White "Ospina Betancur, Santiago"]
[Black "Castano Orrego, Simon"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1280"]
[BlackElo "1777"]
[PlyCount "92"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. d4 Nf6 4. e5 Nfd7 5. Be3 c5 6. Nf3 Nc6 7. Bb5 cxd4 8. Bxd4 a6 9. Ba4 b5 10. Bb3 Qc7 11. 0-0 Nxd4 12. Qxd4 Bc5 13. Qg4 0-0 14. Rfe1 Bb7 15. Rad1 a5 16. Rd2 a4 17. Nxb5 Qa5 18. Nbd4 axb3 19. axb3 Bxd4 20. Qxd4 Qc5 21. Qg4 Ra2 22. c3 Rfa8 23. Rde2 Ra1 24. Nd4 Rxe1+ 25. Rxe1 Nxe5 26. Qg3 Ng6 27. f4 Qd6 28. Rf1 Ra2 29. Qe3 Ba6 30. Rf3 Rxb2 31. h3 Rb1+ 32. Kh2 e5 33. Nf5 Qc7 34. Qd2 Qc5 35. Qa2 Qg1+ 36. Kg3 exf4+ 37. Kg4 Ra1 38. Qd2 Ne5+ 39. Kh5 Nxf3 40. Qxd5 h6 41. Ne7+ Kh7 42. Qxf7 Ra5+ 43. Nf5 Qxg2 44. h4 Bc8 45. Qxg7+ Qxg7 46. b4 Rxf5# 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.12"]
[Round "3"]
[White "Ospina Betancur, Santiago"]
[Black "Moreno Marino, Juan Nicolas"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1280"]
[BlackElo "1820"]
[PlyCount "88"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. Bc4 b5 4. Bd5 Nc6 5. Bxc6 dxc6 6. d3 Nf6 7. Be3 e5 8. Nf3 Bd6 9. Ne2 0-0 10. Bg5 h6 11. Bh4 Re8 12. 0-0 Bg4 13. Nd2 g5 14. Bg3 Nh5 15. f3 Be6 16. Bf2 Qe7 17. c3 Rad8 18. Qc2 Rd7 19. Rfd1 Rc8 20. d4 cxd4 21. cxd4 exd4 22. Nxd4 c5 23. Nxe6 Qxe6 24. Nb3 c4 25. Nd4 Qe5 26. g3 Ng7 27. Rd2 Bb4 28. Rdd1 Bc5 29. Qc3 Rcd8 30. f4 gxf4 31. gxf4 Qxe4 32. Re1 Qg6+ 33. Kh1 Bxd4 34. Bxd4 Rxd4 35. Qf3 Qf5 36. Rf1 Qd5 37. Qxd5 R8xd5 38. Rf2 Rd1+ 39. Rxd1 Rxd1+ 40. Kg2 Nf5 41. Kf3 Kg7 42. Ke4 Kf6 43. Rc2 Rd3 44. Re2 Nd6# 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.11"]
[Round "1"]
[White "Chavez Duero, Brayan Steven"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2026"]
[BlackElo "1280"]
[PlyCount "91"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nce7 9. c4 Nxd5 10. Qxd5 Be6 11. Qb7 Nf6 12. cxb5 d5 13. bxa6 Bxa3 14. Bb5+ Nd7 15. bxa3 dxe4 16. 0-0 0-0 17. Qxe4 Qa5 18. Qb4 Qc7 19. Be3 Nb6 20. Rfc1 Qb8 21. Bc6 Rxa6 22. Rab1 Nd7 23. Bb7 Rd6 24. Ba7 Qxa7 25. Qxd6 Nf6 26. Qc5 Qa4 27. Qb4 Qa7 28. a4 Rb8 29. a5 h6 30. a6 Nd7 31. Rc8+ Kh7 32. Rxb8 Nxb8 33. Be4+ f5 34. Qxb8 Qxa6 35. Qxe5 fxe4 36. Qxe4+ Kg8 37. Rb8+ Bc8 38. Qe8+ Kh7 39. Qxc8 Qf6 40. Qc2+ g6 41. Rb7+ Kg8 42. Qc8+ Qf8 43. Qe6+ Kh8 44. Qxg6 Qxf2+ 45. Kxf2 h5 46. Qg7# 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.08"]
[Round "8"]
[White "Ospina Betancur, Santiago"]
[Black "Escobar Canaveral, Victor Alfonso"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1280"]
[PlyCount "117"]
[EventDate "2021.08.04"]
[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 g6 2. Bc4 Bg7 3. Nc3 d6 4. d3 a6 5. f4 e6 6. Nf3 b5 7. Bb3 Bb7 8. 0-0 Nd7 9. a3 Nh6 10. Bd2 c5 11. Rb1 Qb6 12. Be3 Ng4 13. Bf2 Nxf2 14. Rxf2 0-0 15. Qe2 Rad8 16. g4 d5 17. e5 c4 18. Ba2 Kh8 19. g5 Rc8 20. d4 a5 21. a4 bxa4 22. Nxa4 Qc6 23. Nc3 Ba6 24. h4 h5 25. gxh6 Bxh6 26. Nh2 Kg7 27. Qg4 Kh7 28. Nf3 Rh8 29. Ng5+ Bxg5 30. fxg5 Kg7 31. Rbf1 Rcf8 32. Rh2 Qb6 33. Na4 Qa7 34. Re1 Rh5 35. b3 Rc8 36. Rh3 cxb3 37. Bxb3 Qb7 38. Qf4 Qb4 39. Ree3 Bb5 40. Ref3 Rf8 41. Nc3 Ba6 42. Ba4 Nb6 43. Qf6+ Kg8 44. Be8 Qxd4+ 45. Kh2 Rh7 46. Bxf7+ Rhxf7 47. Qxg6+ Kh8 48. Qh6+ Kg8 49. Qxe6 Bc8 50. Qg6+ Kh8 51. Rxf7 Qd2+ 52. Kg1 Qe1+ 53. Kg2 Bxh3+ 54. Kxh3 Qxc3+ 55. Kg4 Qc8+ 56. e6 Qc4+ 57. Kh5 Qe2+ 58. Kh6 Rxf7 59. exf7 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.08"]
[Round "9"]
[White "Sequeda Ramirez, Pablo"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2030"]
[BlackElo "1280"]
[PlyCount "102"]
[EventDate "2021.08.04"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 d5 5. exd5 Qxd5 6. cxd4 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. Be2 Be6 13. 0-0 0-0 14. Qa4 a6 15. Rfd1 Qc6 16. Qxc6 Nxc6 17. Rd6 Rad8 18. a3 Bb3 19. Bd1 Rxd6 20. exd6 Bxd1 21. Rxd1 Rd8 22. Kf1 f5 23. Rd5 g6 24. Bf6 Rd7 25. Bg5 Kf7 26. Bf4 Ke6 27. Rc5 Nd4 28. a4 Nb3 29. Rc3 Nd4 30. Rc5 g5 31. Bxg5 Kxd6 32. Rc8 Kd5 33. Be3 b5 34. a5 Rd6 35. h4 Nc6 36. Rc7 Nxa5 37. Rxh7 Nc4 38. Bf4 Re6 39. b3 Ne5 40. h5 Kd4 41. Rc7 Ng4 42. Ke2 a5 43. Bd2 Ra6 44. f3 exf3+ 45. gxf3 Nh6 46. Be3+ Ke5 47. Rc5+ Kd6 48. Rxb5 Kc6 49. Re5 Kd6 50. Bf4 Kd7 51. Bxh6 Rxh6 0-1

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.07"]
[Round "7"]
[White "Gonzalez Mojica, Renan Arturo"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1656"]
[BlackElo "1280"]
[PlyCount "64"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. e3 e6 5. Nge2 Be7 6. Nf4 0-0 7. Be2 Nc6 8. h3 Ne4 9. Bxe7 Nxe7 10. Nxe4 fxe4 11. Bg4 Nf5 12. c4 c6 13. 0-0 Qf6 14. b4 Bd7 15. a4 g6 16. b5 Rac8 17. Rb1 g5 18. Nh5 Qe7 19. bxc6 Bxc6 20. c5 Rb8 21. a5 e5 22. a6 exd4 23. Bxf5 Rxf5 24. Qxd4 Qe5 25. Qxe5 Rxe5 26. Rb2 Kf7 27. Ra1 Re7 28. Ng3 Rc7 29. Nf5 Ke6 30. Nd4+ Kd7 31. Rab1 Ra8 32. axb7 Rb8 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.07"]
[Round "6"]
[White "Ordonez Gonzalez, Gabriel"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1899"]
[BlackElo "1280"]
[PlyCount "91"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e4 e5 6. d3 d6 7. Nge2 Nge7 8. Bg5 h6 9. Be3 Be6 10. Qd2 Nd4 11. 0-0 Bg4 12. f4 0-0 13. Rae1 Nec6 14. f5 gxf5 15. Bxh6 Qf6 16. Bg5 Qg6 17. Nxd4 cxd4 18. Nd5 f6 19. Bh4 Rf7 20. h3 Bh5 21. exf5 Qh7 22. b4 Ne7 23. Nxe7+ Rxe7 24. Bd5+ Bf7 25. Qg2 Rb8 26. Bxf7+ Rxf7 27. Qd5 Rd8 28. Re4 Qh6 29. Rg4 Kf8 30. Kg2 Qe3 31. Qa5 b6 32. Qa3 Re7 33. Re4 Qh6 34. Qc1 Kf7 35. Qxh6 Bxh6 36. Rg4 Rc7 37. Bxf6 Kxf6 38. Rg6+ Kf7 39. Rxh6 Rdd7 40. Rh7+ Kf6 41. Rxd7 Rxd7 42. g4 d5 43. cxd5 Rxd5 44. h4 Rd8 45. g5+ Kf7 46. Rc1 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.06"]
[Round "4"]
[White "Duran, Ricardo"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1885"]
[BlackElo "1280"]
[PlyCount "100"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. e3 g6 4. Be2 Bg7 5. h4 h6 6. Nc3 d6 7. Nf3 0-0 8. Nh2 Nfd7 9. Bc4+ Kh8 10. Nf3 e5 11. Bg5 Qe8 12. Nd5 Na6 13. Bb3 c6 14. Ne7 e4 15. Nd2 Nf6 16. Nxc8 Rxc8 17. Bf4 d5 18. a3 c5 19. c3 c4 20. Bc2 Qe7 21. Be5 Nh5 22. Bxg7+ Kxg7 23. g3 Nf6 24. a4 g5 25. hxg5 hxg5 26. Ke2 Rh8 27. Qg1 Qd6 28. Nf1 Qb6 29. Rb1 Rxh1 30. Qxh1 Rh8 31. Qg2 Nc7 32. b4 cxb3 33. Rxb3 Qa6+ 34. Kd2 Qxa4 35. Rxb7 Qc6 36. Rxa7 Kg6 37. Ra3 Nb5 38. Rb3 Rc8 39. g4 Nxg4 40. Ng3 Nxc3 41. Nxf5 Kxf5 42. f3 Nf6 43. Qh3+ Kg6 44. f4 Nb1+ 45. Bxb1 Qc1+ 46. Ke2 Rc2+ 47. Bxc2 Qxc2+ 48. Kf1 Qxb3 49. fxg5 Qd1+ 50. Kg2 Qg4+ 0-1

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.06"]
[Round "5"]
[White "Ospina Betancur, Santiago"]
[Black "Munoz Monroy, Cinthya Carolina"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1280"]
[BlackElo "1969"]
[PlyCount "40"]
[EventDate "2021.08.04"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bg4 6. Be2 Bxe2 7. Ngxe2 Nc6 8. Bd2 0-0-0 9. Ne4 Qd5 10. N2c3 Qxd4 11. Qe2 e5 12. 0-0-0 Qb4 13. Nxf6 gxf6 14. Nd5 Qa4 15. Nxf6 Qxa2 16. Qg4+ Kb8 17. c3 Ba3 18. bxa3 Na5 19. Qb4 Nb3+ 20. Qxb3 Qxb3 0-1

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.05"]
[Round "2"]
[White "Narvaez Ramirez, Faber Alberto"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "A83"]
[WhiteElo "2101"]
[BlackElo "1280"]
[PlyCount "61"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c6 5. Bxf6 exf6 6. Nxe4 d5 7. Ng3 Bd6 8. Bd3 Be6 9. Qe2 Qe7 10. 0-0-0 0-0 11. Re1 Re8 12. Nf3 Nd7 13. c3 Bg4 14. Qc2 Bf4+ 15. Kb1 Qd6 16. Bxh7+ Kf8 17. Bg6 Rxe1+ 18. Rxe1 Nb6 19. Nf5 Bxf5 20. Qxf5 Nc4 21. Qh5 Bh6 22. h4 Qf4 23. Be8 Nd6 24. g3 Qf5+ 25. Qxf5 Nxf5 26. Bg6 Ne7 27. Bd3 Kf7 28. h5 Rh8 29. Kc2 Ke8 30. Nh4 Kd7 31. Rxe7+ 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.04"]
[Round "1"]
[White "Ospina Betancur, Santiago"]
[Black "Acuna, Nelson David"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1280"]
[BlackElo "2034"]
[PlyCount "67"]
[EventDate "2021.08.04"]
[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 c5 2. Nc3 Nc6 3. Bb5 g6 4. d3 Bg7 5. f4 Nd4 6. Bc4 a6 7. a4 Rb8 8. Nf3 e6 9. Nxd4 cxd4 10. Ne2 Ne7 11. 0-0 0-0 12. Qe1 d5 13. exd5 Nxd5 14. Qf2 b5 15. axb5 axb5 16. Bb3 Ne7 17. Bd2 Nf5 18. Ng3 Bb7 19. Ra7 Ne3 20. Rfa1 Ng4 21. Qe2 Nxh2 22. Be1 Qh4 23. Ne4 Qxf4 24. Bg3 Qg4 25. Qxg4 Nxg4 26. Bxb8 Rxb8 27. Nd6 Bc6 28. Nxf7 Ne3 29. Bxe6 Bxg2 30. Ng5+ Kh8 31. Rd7 Rf8 32. Nf7+ Kg8 33. Raa7 h5 34. Ng5+ 1-0

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "5"]
[White "Diaz Gonzalez, Ana Sofia"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1182"]
[BlackElo "1383"]
[PlyCount "50"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. 0-0 d6 6. h3 e5 7. d3 Be7 8. Nbd2 Be6 9. b3 Bf6 10. Re1 Ne7 11. Nf1 Ng6 12. c3 0-0 13. d4 cxd4 14. cxd4 exd4 15. Nxd4 c5 16. Nxe6 fxe6 17. Rb1 Be5 18. Bb2 Qf6 19. Bxe5 Qxf2+ 20. Kh1 dxe5 21. Qe2 Rad8 22. Qxa6 Nf4 23. Ne3 Rd3 24. g3 Rxe3 25. gxf4 Rxh3# 0-1

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "2"]
[White "Orozco Arias, Andres"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B23"]
[BlackElo "1383"]
[PlyCount "37"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. 0-0 Nge7 7. d3 0-0 8. Qe1 d6 9. Qh4 Nd4 10. f5 Nxf3+ 11. Rxf3 exf5 12. Bg5 Bxc3 13. bxc3 Qb6 14. Qh6 d5 15. Bxe7 Re8 16. Rh3 Qb1+ 17. Rxb1 Rxe7 18. Qxh7+ Kf8 19. Qh8# 1-0

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "1"]
[White "Ospina Betancur, Santiago"]
[Black "Cordoba Perez, Jeronimo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1383"]
[BlackElo "1864"]
[PlyCount "80"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. 0-0 0-0 7. Nbd2 Bf5 8. Bxf5 Nxf5 9. Re1 Nd7 10. Nf1 Nf6 11. Bg5 h6 12. Qd3 Nxd4 13. Bxf6 Nxf3+ 14. Qxf3 Qxf6 15. Qxf6 gxf6 16. Ne3 Rfd8 17. Red1 c6 18. Nf5 Bf8 19. Rd3 Re8 20. Rb3 Re5 21. Ne3 b6 22. Ng4 Rf5 23. Rc3 c5 24. Ne3 Rh5 25. Rd3 d4 26. Ng4 Bg7 27. f3 Re8 28. Ra3 Re7 29. Nf2 Rhe5 30. Kf1 Re2 31. Rc1 f5 32. Nd3 Rd2 33. Re1 Rxe1+ 34. Nxe1 Be5 35. Rxa7 Bxh2 36. Re7 Bg3 37. Re2 Rd1 38. b3 b5 39. Rf2 Bxf2 40. Kxf2 Ra1 0-1

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "3"]
[White "Ospina Betancur, Santiago"]
[Black "Florez, Cesar Augusto"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1383"]
[PlyCount "90"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 a6 4. Nf3 Bg4 5. d3 Nc6 6. h3 Bxf3 7. Qxf3 g6 8. g3 Nd4 9. Qf2 Bg7 10. Bg2 Rb8 11. 0-0 e6 12. Nd1 Ne7 13. c3 Ndc6 14. f5 f6 15. fxe6 Qc8 16. Ne3 Qxe6 17. Nd5 0-0 18. g4 g5 19. d4 cxd4 20. cxd4 Qd7 21. Nxe7+ Qxe7 22. Be3 Rbc8 23. Qd2 Qd7 24. Rac1 Ne7 25. d5 Ng6 26. b3 Ne5 27. Bd4 Ng6 28. Kh2 Nf4 29. Bf3 Qe8 30. Be3 Ng6 31. Qb4 Qe7 32. Qb6 Qe5+ 33. Kg1 Qg3+ 34. Bg2 Nh4 35. Rf2 Nxg2 36. Rxg2 Rxc1+ 37. Bxc1 Qe1+ 38. Kh2 Qxc1 39. Qxd6 Qe1 40. Qe6+ Kh8 41. d6 Qd1 42. d7 h6 43. Qe8 Qd6+ 44. Kh1 Qd1+ 45. Kh2 Qd6+ 1/2-1/2

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "6"]
[White "Ospina Betancur, Santiago"]
[Black "Vallejo, Diego"]
[Result "1-0"]
[ECO "C32"]
[WhiteElo "1383"]
[BlackElo "1857"]
[PlyCount "71"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. Qe2 Qe7 10. Nbd2 f5 11. Nxe4 fxe4 12. Nd2 0-0-0 13. Nb3 Bb6 14. Be3 Nf6 15. Bxb6 Qb4+ 16. c3 Qxb6 17. 0-0-0 Nxd5 18. Qxe4 Nf6 19. Qf5+ Kb8 20. Qc5 Qa6 21. Rhe1 Rxd1+ 22. Rxd1 Qxa2 23. Qe7 a6 24. Qxg7 Rg8 25. Qxf6 Qxb3 26. Rd8+ Rxd8 27. Qxd8+ Ka7 28. Qxc7 Qd5 29. Qg7 Qh5 30. Qd4+ Ka8 31. h3 Qe2 32. Qd2 Qf1+ 33. Kc2 Qb5 34. b3 a5 35. g4 Qc6 36. Qd8+ 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "10"]
[White "Alvarez Gamez, Ismael"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1943"]
[BlackElo "1280"]
[PlyCount "129"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Qf6 6. e5 Qb6 7. Qxb6 axb6 8. Nc3 Bb4 9. Bd2 Ne7 10. Nb5 Bxd2+ 11. Kxd2 Kd8 12. Bc4 Rf8 13. Rad1 Nc6 14. f4 Na5 15. Bd3 f6 16. exf6 Rxf6 17. g3 c6 18. Nd4 Kc7 19. Kc1 h6 20. Rhe1 d5 21. Re5 Rf7 22. Rde1 Bd7 23. Re7 Raf8 24. Ne6+ Kd6 25. Nxf8 Rxe7 26. Rxe7 Kxe7 27. Ng6+ Kf6 28. Ne5 Be8 29. b4 Nc4 30. Bxc4 dxc4 31. Nxc4 Ke6 32. Nxb6 Kd6 33. c4 Bf7 34. a4 Kc7 35. a5 g6 36. Kd2 h5 37. Ke3 Be6 38. Kd4 Bf5 39. Ke5 Bd3 40. h3 Bf5 41. Kf6 Bxh3 42. Kxg6 Bg4 43. f5 Kd8 44. f6 Be6 45. b5 cxb5 46. cxb5 Ke8 47. a6 bxa6 48. bxa6 Kd8 49. a7 Kc7 50. a8Q Kxb6 51. Qd8+ Kc6 52. Qe8+ Kd5 53. f7 Bxf7+ 54. Qxf7+ Ke5 55. Kxh5 Ke4 56. g4 Ke5 57. g5 Ke4 58. g6 Ke5 59. g7 Ke4 60. g8Q Ke5 61. Qge8+ Kd4 62. Qfd7+ Kc5 63. Qec8+ Kb4 64. Qdb7+ Ka5 65. Qca8# 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "3"]
[White "Blanco Garcia, Liliam Barbara"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "2004"]
[BlackElo "1280"]
[PlyCount "49"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. d5 Nce7 5. c4 Ng6 6. Nc3 Nf6 7. Bg5 Be7 8. Bd3 h6 9. Be3 a6 10. h3 0-0 11. Qd2 Kh7 12. g4 c6 13. g5 Nh5 14. gxh6 gxh6 15. Bxh6 Rg8 16. 0-0-0 Nhf4 17. Bxf4 Nxf4 18. Ne2 Nxe2+ 19. Qxe2 cxd5 20. exd5+ Kh8 21. Kb1 Qf8 22. Rdg1 Bd7 23. Nxe5 Rxg1+ 24. Rxg1 Qh6 25. Nxf7# 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "5"]
[White "Casas Cobos, Julio Eduardo"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1846"]
[BlackElo "1280"]
[PlyCount "129"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Ba5 7. 0-0 d6 8. e5 Nge7 9. exd6 cxd6 10. Ng5 d5 11. Bb5 0-0 12. Re1 Bf5 13. Ba3 Re8 14. Qf3 Bg6 15. h4 h6 16. Nh3 a6 17. Ba4 Qc7 18. Nf4 Bh7 19. Nd2 Nf5 20. Rxe8+ Rxe8 21. Nxd5 Qd7 22. Nc4 Nxh4 23. Qg3 Qxd5 24. Nxa5 Qxa5 25. Qxh4 Qxc3 26. Rd1 Qxa3 27. Bxc6 bxc6 28. Rd8 Rxd8 29. Qxd8+ Qf8 30. Qc7 Be4 31. f3 Bd5 32. a4 Qc5+ 33. Kh2 Qc2 34. Kg3 Qxa4 35. Qc8+ Kh7 36. Qf5+ g6 37. Qe5 Qc4 38. Qc7 a5 39. Qxa5 Qd3 40. Qc7 Qf5 41. Kf2 Qc2+ 42. Kg3 Qf5 43. Kf2 Qc2+ 44. Kg1 Qd1+ 45. Kh2 Qe2 46. Qd7 Kg7 47. Kg3 Qe6 48. Qc7 Qf6 49. Kf2 Qb2+ 50. Kg3 Qf6 51. Kf2 Qg5 52. Kg1 h5 53. Qd6 Bxf3 54. Qd4+ Kh7 55. Qb2 Qxg2+ 56. Qxg2 Bxg2 57. Kxg2 f5 58. Kf3 g5 59. Ke3 h4 60. Kf3 c5 61. Kg2 c4 62. Kf3 c3 63. Ke3 h3 64. Kd3 h2 65. Kxc3 0-1

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "7"]
[White "Galvez, Uriel"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "D20"]
[BlackElo "1280"]
[PlyCount "174"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. d5 Nf6 5. Nc3 c6 6. Bxc4 Bb4 7. Bd2 0-0 8. Nf3 Re8 9. 0-0 Bxc3 10. Bxc3 Nxe4 11. Bxe5 Nd6 12. Bxd6 Qxd6 13. dxc6 Qxd1 14. Raxd1 Nxc6 15. Rfe1 Bg4 16. Rxe8+ Rxe8 17. h3 Bxf3 18. gxf3 Kf8 19. Rd7 Ne5 20. Rc7 Nxf3+ 21. Kg2 Ne5 22. Bb3 Re7 23. Rc8+ Re8 24. Rc7 Rd8 25. f4 Nd7 26. Rxb7 Ke8 27. Rxa7 Rc8 28. Ba4 Rd8 29. b3 Ke7 30. Kg3 Ke6 31. Ra6+ Kf5 32. Ra5+ Kg6 33. f5+ Kg5 34. h4+ Kh6 35. Ra6+ Nf6 36. Ra5 Rd3+ 37. Kf2 Rd2+ 38. Kg3 Rxa2 39. Ra6 Kh5 40. b4 Rb2 41. Bd1+ Kh6 42. Rb6 Rb3+ 43. Kf4 Rb1 44. Bf3 Rb3 45. b5 Rb4+ 46. Kg3 Rb3 47. Rb8 Nd5 48. Kf2 Nc7 49. Rb6+ f6 50. Rb7 Nxb5 51. Rd7 Rb2+ 52. Kg3 Rb3 53. Rd5 Na3 54. Rd4 Nc2 55. Rf4 Ne1 56. Kf2 Rxf3+ 57. Rxf3 Nxf3 58. Kxf3 Kh5 59. Kg3 h6 60. Kh3 g6 61. fxg6 Kxg6 62. Kg4 h5+ 63. Kf4 Kg7 64. Kf5 Kf7 65. Kf4 Ke6 66. Ke4 f5+ 67. Kf4 Kf6 68. Kf3 Ke5 69. Ke3 f4+ 70. Kf3 Kf5 71. Kf2 Kg4 72. Kg2 Kxh4 73. Kf3 Kg5 74. Kg2 h4 75. Kf2 Kg4 76. Kg2 h3+ 77. Kh2 f3 78. Kg1 Kg3 79. Kf1 f2 80. Ke2 Kg2 81. Ke3 f1Q 82. Ke4 h2 83. Ke5 h1Q 84. Ke6 Qh4 85. Ke5 Qff4+ 86. Ke6 Qff6+ 87. Kd5 Qhd4# 0-1

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "11"]
[White "Jodorcovsky, Alejandro David"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1715"]
[BlackElo "1280"]
[PlyCount "159"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. 0-0 h6 6. Be3 Bb6 7. Nbd2 Nf6 8. c3 0-0 9. d4 Bg4 10. d5 Ne7 11. Bxb6 axb6 12. h3 Bd7 13. Re1 Ng6 14. Nf1 Nf4 15. Kh2 Kh7 16. Ng3 Qe7 17. Ne2 Nxe2 18. Qxe2 c6 19. dxc6 Bxc6 20. Nd2 Rfe8 21. Bb3 Rad8 22. c4 Qc7 23. f3 Nd7 24. Bc2 f6 25. b4 Nf8 26. f4 Ne6 27. fxe5 dxe5 28. Nf3 Nd4 29. Nxd4 Rxd4 30. Rad1 Red8 31. Rxd4 Rxd4 32. Rd1 Qd7 33. Rxd4 Qxd4 34. Qd3 Qxd3 35. Bxd3 Kg6 36. g4 h5 37. Kg3 Kg5 38. b5 Bd7 39. Be2 h4+ 40. Kf3 Kg6 41. a4 Kf7 42. c5 bxc5 43. a5 Ke7 44. a6 bxa6 45. bxa6 Bc6 46. Bc4 Kd6 47. a7 Kc7 48. Bd5 Bxd5 49. exd5 Kb7 50. d6 Kxa7 51. d7 c4 52. d8Q Kb7 53. Qd5+ Kc7 54. Qxc4+ Kd7 55. Qf7+ Kd6 56. Qxg7 Ke6 57. g5 fxg5 58. Qxg5 Kd5 59. Qxh4 Ke6 60. Qe4 Kf6 61. h4 Ke6 62. h5 Kf6 63. h6 Ke6 64. h7 Kd6 65. Qxe5+ Kxe5 66. h8Q+ Kd5 67. Qe8 Kd4 68. Qe4+ Kc5 69. Qd3 Kc6 70. Qd4 Kc7 71. Qd5 Kb6 72. Qc4 Kb7 73. Qc5 Ka6 74. Qb4 Ka7 75. Qb5 Ka8 76. Ke4 Ka7 77. Kd5 Ka8 78. Kc6 Ka7 79. Kc7 Ka8 80. Qa6# 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "6"]
[White "Ospina Betancur, Santiago"]
[Black "Besso, Javier Alejandro"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1280"]
[BlackElo "1892"]
[PlyCount "122"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 e6 5. d3 Bg7 6. g3 Nge7 7. Bg2 0-0 8. 0-0 b6 9. g4 f5 10. exf5 exf5 11. g5 d5 12. h4 Bb7 13. Ne2 Rc8 14. Ng3 Nd4 15. Kh2 Nxf3+ 16. Bxf3 Qd7 17. h5 d4 18. h6 Bh8 19. Bd2 Nd5 20. Qe2 Rfe8 21. Qg2 Ba8 22. Rae1 Qd6 23. Qf2 a5 24. a3 Re7 25. Rxe7 Nxe7 26. Re1 Nd5 27. Kh3 Rd8 28. Bxd5+ Bxd5 29. Qe2 Bf7 30. Qe7 b5 31. Qxd6 Rxd6 32. Bxa5 c4 33. dxc4 bxc4 34. Bb4 Rd7 35. Rd1 d3 36. cxd3 Bxb2 37. Rb1 c3 38. Bxc3 Bxc3 39. Rb8+ Be8 40. Rxe8+ Kf7 41. Rh8 Bxh8 42. a4 Rxd3 43. a5 Bd4 44. a6 Bf2 45. a7 Bxa7 46. Kh4 Bf2 47. Kh3 Rxg3+ 48. Kh2 Rg4 49. Kh3 Ke6 50. Kh2 Kd5 51. Kh3 Ke4 52. Kh2 Kxf4 53. Kh3 Kxg5 54. Kh2 Kxh6 55. Kh3 Kg5 56. Kh2 Kf4 57. Kh3 Kf3 58. Kh2 Rg3 59. Kh1 Ba7 60. Kh2 Kf2 61. Kh1 Rh3# 0-1

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "8"]
[White "Ospina Betancur, Santiago"]
[Black "Calvet, Hernan"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1280"]
[PlyCount "159"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d3 Nc6 4. g3 Nf6 5. f4 Bg4 6. Nge2 h6 7. h3 Bxe2 8. Bxe2 e6 9. Bf3 a6 10. 0-0 Rb8 11. Bg2 Be7 12. Kh1 0-0 13. g4 e5 14. f5 Nh7 15. Rg1 Nd4 16. Bf1 Bg5 17. Ne2 Nf3 18. Rg3 Nh4 19. Ng1 Bxc1 20. Rxc1 Ng5 21. Be2 Qf6 22. Nf3 Nhxf3 23. Bxf3 Nxf3 24. Qxf3 Qh4 25. Rcg1 g6 26. g5 h5 27. Qg2 b5 28. Rf1 a5 29. Kh2 a4 30. Rgf3 c4 31. Qf2 Qxf2+ 32. R1xf2 cxd3 33. Rxd3 Rb6 34. Rfd2 Rc8 35. c3 Rd8 36. Rd5 gxf5 37. exf5 f6 38. gxf6 Kf7 39. Rxe5 Kxf6 40. Red5 Ke7 41. Kg3 Rg8+ 42. Kh4 Rh8 43. Re2+ Kd7 44. f6 b4 45. c4 Rc6 46. b3 axb3 47. axb3 Rf8 48. Re7+ Kd8 49. Re6 Kd7 50. Ree5 Rxf6 51. Rxh5 Rf3 52. Rh7+ Ke6 53. Rh6+ Kd7 54. Kg4 Rxb3 55. h4 Rxc4+ 56. Kf5 Rf3+ 57. Kg5 Rc6 58. Rh7+ Ke6 59. Rd2 b3 60. Rh6+ Ke7 61. Kg4 Rf6 62. Rh7+ Ke6 63. Rb7 Rc3 64. Rb2 Rc4+ 65. Kg5 Rf5+ 66. Kg6 Rxh4 67. R7xb3 Rf6+ 68. Kg5 Rd4 69. Re3+ Kf7 70. Rbe2 Rff4 71. Re7+ Kf8 72. Rh7 Rg4+ 73. Kf5 Rdf4+ 74. Ke6 Rd4 75. Rf2+ Kg8 76. Ra7 Rge4+ 77. Kd7 Kg7 78. Ra6 Kg6 79. Rxd6+ Rxd6+ 80. Kxd6 1/2-1/2

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "9"]
[White "Ospina Betancur, Santiago"]
[Black "Derbes, Jose Maria"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1280"]
[BlackElo "1619"]
[PlyCount "133"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Bc4 Bxg1 4. Rxg1 Qh4+ 5. Kf1 Qxf4+ 6. Qf3 Nf6 7. Nc3 Nc6 8. d3 Qxf3+ 9. gxf3 Nd4 10. Bb3 0-0 11. Bh6 Ne8 12. Kf2 Nxb3 13. axb3 c6 14. Rxg7+ Nxg7 15. Rg1 Re8 16. Bxg7 f5 17. exf5 Kf7 18. f6 d5 19. Rg5 Rg8 20. Rxe5 Be6 21. Rh5 Rxg7 22. fxg7 Kxg7 23. Ne2 Rf8 24. Kg3 Kg6 25. Rh4 Bd7 26. Nf4+ Kg7 27. Rh5 Rf5 28. Rxf5 Bxf5 29. Kh4 a5 30. Kg5 Bd7 31. h4 b5 32. h5 h6+ 33. Kh4 Bf5 34. Ne2 c5 35. Ng3 Bh7 36. Kg4 c4 37. bxc4 bxc4 38. dxc4 dxc4 39. Nf5+ Kf6 40. Nxh6 Bxc2 41. Kf4 a4 42. Ng4+ Ke6 43. Ne3 Bd3 44. Nd1 Kd5 45. Nc3+ Kd4 46. Nxa4 Bh7 47. Nc3 Kd3 48. Ke5 Kc2 49. Kd5 Bd3 50. h6 Kxb2 51. Nb5 c3 52. Nxc3 Kxc3 53. f4 Bh7 54. Ke5 Kc4 55. f5 Kc5 56. f6 Bg6 57. f7 Bxf7 58. h7 Bg6 59. h8Q Bd3 60. Qc8+ Kb4 61. Qb7+ Bb5 62. Kd5 Ka4 63. Kc5 Ka3 64. Qxb5 Ka2 65. Kc4 Ka1 66. Kc3 Ka2 67. Qb2# 1-0

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "2"]
[White "Ospina Betancur, Santiago"]
[Black "Valdez, Daniel"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1280"]
[PlyCount "66"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d6 4. Nf3 Nc6 5. d3 Nf6 6. g3 Be7 7. Bg2 a6 8. 0-0 Qc7 9. Kh1 b5 10. Bd2 Bb7 11. Qe1 Nd4 12. Rc1 0-0 13. Nxd4 cxd4 14. Ne2 e5 15. f5 d5 16. Ng1 dxe4 17. dxe4 Rac8 18. h3 Qb8 19. g4 Qa8 20. Bg5 Rfe8 21. Bxf6 Bxf6 22. h4 d3 23. cxd3 Rxc1 24. Qxc1 Bxh4 25. Nf3 Bg3 26. g5 Bf4 27. Qe1 Qd8 28. Qh4 Qxd3 29. g6 h6 30. gxf7+ Kxf7 31. Qh5+ Kf8 32. Qg6 Bxe4 33. Nh4 Qxf1# 0-1

[Event "Rio Grande Domingo op 20th"]
[Site "Lichess.org INT"]
[Date "2020.07.05"]
[Round "1"]
[White "Sandoval, Julio Cesar"]
[Black "Ospina Betancur, Santiago"]
[Result "1/2-1/2"]
[ECO "C34"]
[WhiteElo "1676"]
[BlackElo "1280"]
[PlyCount "146"]
[EventDate "2020.07.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 Be6 5. Na3 Nc6 6. d4 Bxc4 7. Nxc4 Nf6 8. Qe2 Qe7 9. e5 dxe5 10. Ncxe5 Nxe5 11. Qxe5 Qxe5+ 12. Nxe5 Nd5 13. c4 Nb4 14. Kd2 f6 15. Nf3 0-0-0 16. a3 Nc6 17. Kc3 g5 18. d5 Ne5 19. Bd2 Bg7 20. Rhe1 Rhe8 21. Rad1 h6 22. Nxe5 fxe5 23. Kd3 c6 24. Ke4 cxd5+ 25. cxd5 Rd7 26. Bc3 Red8 27. b4 Kb8 28. Bxe5+ Bxe5 29. Kxe5 Re7+ 30. Kf6 Red7 31. Ke5 Re8+ 32. Kd4 Rde7 33. Rxe7 Rxe7 34. Rd2 Kc7 35. Kc5 Kd7 36. d6 Re6 37. a4 b6+ 38. Kc4 Rxd6 39. Re2 Re6 40. Rd2+ Rd6 41. Re2 Kc6 42. b5+ Kc7 43. Re7+ Rd7 44. Re6 Rd6 45. Re7+ Kb8 46. Rh7 Rd2 47. Rxh6 Rxg2 48. Kd5 Rc2 49. Kd6 f3 50. Rh8+ Rc8 51. Rh3 f2 52. Rf3 Rc2 53. Kd7 Rc8 54. Kd6 Rc2 55. Kd7 Kb7 56. Kd6 Ra2 57. Rf5 Rd2+ 58. Ke6 Re2+ 59. Kd6 Rd2+ 60. Ke6 f1Q 61. Rxf1 Rxh2 62. Rg1 Re2+ 63. Kf5 Ra2 64. Rxg5 Rxa4 65. Rg7+ Kc8 66. Ke6 Ra5 67. Rg5 a6 68. Kd6 Rxb5 69. Rg8+ Kb7 70. Rg7+ Kc8 71. Rg8+ Kb7 72. Rg7+ Ka8 73. Rg8+ Kb7 1/2-1/2

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.08"]
[Round "9"]
[White "Ospina Betancur, Santiago"]
[Black "Campos Perilla, Felix Santiago"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1198"]
[BlackElo "1552"]
[PlyCount "101"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. b4 a5 2. b5 e5 3. Bb2 d6 4. a4 Nf6 5. e3 Be7 6. Nf3 0-0 7. Be2 c6 8. c4 e4 9. Nd4 d5 10. 0-0 Bd6 11. d3 Re8 12. Nd2 h6 13. h3 Bd7 14. N2b3 b6 15. Qc2 c5 16. Nc6 Nxc6 17. bxc6 Bxc6 18. Nd2 Qe7 19. Bxf6 Qxf6 20. cxd5 exd3 21. Qxd3 Qe5 22. Nf3 Qxd5 23. Qxd5 Bxd5 24. Rfd1 Bxf3 25. Bxf3 Rad8 26. Rd2 Bh2+ 27. Kxh2 Rxd2 28. Kg3 Rc2 29. Rb1 Re6 30. Rd1 Rg6+ 31. Kh2 Rxf2 32. Be4 f5 33. Bf3 Kh7 34. e4 f4 35. Ra1 Rg3 36. Kh1 Rfxf3 37. gxf3 Rxf3 38. Kg2 Re3 39. Rb1 Rxe4 40. Rxb6 Rxa4 41. Rc6 c4 42. Rc5 g5 43. Kf3 Ra3+ 44. Kg4 Rg3+ 45. Kf5 Rxh3 46. Rc7+ Kg8 47. Kf6 h5 48. Rc8+ Kh7 49. Rc7+ Kh6 50. Rc8 Kh7 51. Rc7+ 1/2-1/2

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.07"]
[Round "8"]
[White "Bertoli Acosta, Mawily"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1391"]
[BlackElo "1198"]
[PlyCount "68"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 Nf6 4. e3 e6 5. Be2 h6 6. d4 c5 7. c4 Nc6 8. a3 Qb6 9. Nbd2 Ne4 10. Rc1 Nxd2 11. Nxd2 cxd4 12. exd4 Nxd4 13. cxd5 exd5 14. Bxd4 Qxd4 15. Bb5+ Kd8 16. b4 a6 17. Be2 Bd6 18. 0-0 Re8 19. Re1 Re7 20. Bf1 Ke8 21. Rxe7+ Kxe7 22. Qe2+ Qe5 23. Qh5 Qf4 24. Re1+ Kf8 25. Nf3 Bg4 26. Qxd5 Bxf3 27. g3 Bxd5 28. gxf4 Bxf4 29. Rd1 Bc6 30. Bh3 Re8 31. Ra1 Re2 32. a4 Rb2 33. b5 axb5 34. axb5 Rxb5 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.07"]
[Round "7"]
[White "Ospina Betancur, Santiago"]
[Black "Castano Herrera, Jeronimo"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1198"]
[BlackElo "1454"]
[PlyCount "84"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 g6 3. e3 Bg7 4. Be2 d6 5. Nf3 0-0 6. d3 a6 7. Nbd2 Nc6 8. a3 e5 9. 0-0 Ne8 10. Rb1 f5 11. Nb3 Nf6 12. c4 Qe7 13. Qc2 Nd8 14. Rfc1 Ne6 15. c5 Bd7 16. d4 e4 17. Nfd2 d5 18. Ra1 Ba4 19. Nb1 c6 20. Nc3 Bxb3 21. Qxb3 Rf7 22. a4 f4 23. b5 g5 24. bxc6 bxc6 25. a5 Ra7 26. Qb6 Qc7 27. Rcb1 g4 28. Bc1 f3 29. Bf1 fxg2 30. Kxg2 Qc8 31. Qb3 Nd7 32. Na4 Qf8 33. Ra2 Qd8 34. Nb6 Qh4 35. Kg1 Ng5 36. Bg2 Nf3+ 37. Bxf3 gxf3 38. Qd1 Rf6 39. Kf1 Qxh2 40. Ke1 Qg1+ 41. Kd2 Qxf2+ 42. Kc3 Qxa2 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.06"]
[Round "6"]
[White "Olier Robayo, Mishelle Dayana"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "1367"]
[BlackElo "1198"]
[PlyCount "176"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Bf5 5. d4 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd3 Bd6 9. g3 Nbd7 10. c5 Be7 11. f4 Nh5 12. Qf3 f5 13. Ke2 Nhf6 14. Bd2 Ne4 15. Bxe4 dxe4 16. Qg2 Nf6 17. g4 Kf7 18. Rag1 Bf8 19. gxf5 gxf5 20. Qg6+ Ke7 21. h3 Qe8 22. Qg2 Qh5+ 23. Kf1 Nd5 24. Nxd5+ exd5 25. Ke1 Kf6 26. Bc3 Rh6 27. Qg5+ Kf7 28. Qxh5+ Rxh5 29. Kf1 Be7 30. Kg2 g5 31. fxg5 Bxg5 32. Bd2 Rg8 33. Kf1 Rgh8 34. Rg3 Kf6 35. b3 Rh4 36. Rhg1 R8h5 37. Kg2 f4 38. exf4 Bxf4 39. Rf1 Rf5 40. Rxf4 Rhxf4 41. Bxf4 Rxf4 42. Re3 Kf5 43. a3 Kf6 44. Rg3 a6 45. Re3 Kf5 46. b4 Kf6 47. Kg1 Kf5 48. Kg2 Rh4 49. Kg3 Rh8 50. Kf2 Ra8 51. a4 a5 52. b5 cxb5 53. axb5 a4 54. Ra3 Ke6 55. h4 Kd7 56. h5 Rh8 57. Rxa4 Rxh5 58. Ra7 Kc8 59. Ra8+ Kc7 60. b6+ Kc6 61. Rc8+ Kb5 62. Rc7 Ka6 63. Rd7 Rf5+ 64. Ke2 Rg5 65. Kf2 Rh5 66. Kg2 Rf5 67. Re7 Rf4 68. Re5 e3 69. Rxd5 e2 70. Re5 Rxd4 71. Rxe2 Rc4 72. Ra2+ Kb5 73. Rb2+ Kc6 74. Ra2 Rxc5 75. Rb2 Rb5 76. Rxb5 Kxb5 77. Kf1 Kxb6 78. Ke1 Kc5 79. Kd1 Kb4 80. Kc2 b6 81. Kb2 b5 82. Kc2 Ka3 83. Kb1 Kb3 84. Ka1 Kc2 85. Ka2 b4 86. Ka1 Kc3 87. Kb1 Kb3 88. Ka1 Kc2 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.06"]
[Round "5"]
[White "Ospina Betancur, Santiago"]
[Black "Perez Giraldo, Juan David"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1198"]
[BlackElo "1466"]
[PlyCount "81"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. Nf3 g6 5. d3 Bg7 6. Nbd2 a6 7. Be2 0-0 8. Nb3 Nc6 9. a3 Re8 10. 0-0 Nd7 11. e4 b5 12. c4 Nb6 13. Qc2 Na4 14. cxb5 Nd4 15. Nbxd4 Nxb2 16. Nc6 Qd7 17. Qxb2 axb5 18. Rfc1 Bh6 19. Rc3 Bg7 20. Rac1 d5 21. exd5 e4 22. Nfd4 Qxd5 23. Rc5 Qd7 24. dxe4 Rxe4 25. Rd1 Bb7 26. Qd2 Rae8 27. f3 Re3 28. Bxb5 Qd6 29. Na5 Re1+ 30. Rxe1 Bxd4+ 31. Kf1 Rxe1+ 32. Kxe1 Bxc5 33. Qxd6 Bxd6 34. Nxb7 Bxh2 35. a4 Bg1 36. Nc5 Kf8 37. a5 Ke7 38. a6 Kd6 39. a7 Bxc5 40. bxc5+ Kxc5 41. a8Q 1-0

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.04"]
[Round "3"]
[White "Ospina Betancur, Santiago"]
[Black "Florez Caceres, Rafael Omar"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1198"]
[BlackElo "1568"]
[PlyCount "84"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. e3 Nf6 4. Nf3 Nc6 5. a3 g6 6. Be2 Bg7 7. d3 0-0 8. Nbd2 Bd7 9. 0-0 Ne8 10. Rb1 f5 11. Nb3 Nf6 12. Nfd2 a6 13. Nc4 Ne7 14. d4 e4 15. f3 b5 16. Nca5 Ned5 17. Qd2 exf3 18. Bxf3 Ne4 19. Bxe4 fxe4 20. Rxf8+ Bxf8 21. c4 bxc4 22. Nxc4 Bb5 23. Nba5 Bh6 24. Re1 Qg5 25. Bc1 Rf8 26. Qc2 Qf5 27. h3 Nb6 28. Nxb6 cxb6 29. Nb3 d5 30. Qa2 Bc4 31. Kh2 Bg5 32. Qc2 Bh4 33. Rd1 Qg5 34. Nd2 Rf2 35. Rg1 Qg3+ 36. Kh1 b5 37. Qd1 Be2 38. Qb3 Bc4 39. Qd1 h5 40. Nxc4 dxc4 41. d5 Be7 42. d6 Bxd6 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.04"]
[Round "2"]
[White "Quintero Jara, Ana Sofia"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1434"]
[BlackElo "1198"]
[PlyCount "68"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. h3 Be6 6. Bb3 h6 7. d3 Nf6 8. Be3 Bb6 9. 0-0 g5 10. d4 Bd7 11. dxe5 dxe5 12. Nh2 Qe7 13. Bxb6 axb6 14. Nd5 Nxd5 15. exd5 Nd4 16. c3 Nf5 17. Ng4 Kf8 18. Re1 f6 19. Qf3 Kg7 20. Qd3 Nh4 21. Ne3 h5 22. Bd1 Raf8 23. g3 Ng6 24. Nf5+ Bxf5 25. Qxf5 Qc5 26. Qd3 Rd8 27. Bf3 h4 28. Kg2 Rhf8 29. c4 f5 30. Qc3 Kh6 31. Rad1 e4 32. Be2 f4 33. gxf4 Nxf4+ 34. Kh2 Qxf2+ 0-1

[Event "Pan American-ch School U13"]
[Site "Medellin"]
[Date "2019.11.17"]
[Round "9"]
[White "Cifuentes Camacho, Miguel Angel"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "1215"]
[PlyCount "21"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. Qb3 Qb6 5. Nc3 e6 6. cxd5 exd5 7. Nf3 Nf6 8. d3 Bd6 9. Bg5 Nbd7 10. Qc2 h6 11. Be3 1-0

[Event "Pan American-ch School U13"]
[Site "Medellin"]
[Date "2019.11.16"]
[Round "7"]
[White "Ospina Betancur, Santiago"]
[Black "Caicedo Gomez, Javier Dario"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1215"]
[PlyCount "91"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Qb3 b6 7. Nf3 c5 8. c3 Nc6 9. Nbd2 Bd6 10. Ne5 Rc8 11. Qa4 a5 12. Nxc6 Qd7 13. Bxd6 Qxd6 14. Ne5+ Kf8 15. Ndf3 cxd4 16. exd4 Ne4 17. Qd7 Qc7 18. Qxc7 Rxc7 19. Nd2 f6 20. Nd3 g5 21. Nxe4 dxe4 22. Nc1 h5 23. Kd2 f5 24. Ke3 b5 25. Nb3 a4 26. Nc5 e5 27. Ne6+ Ke7 28. Nxc7 exd4+ 29. Kxd4 Kd7 30. Nxb5 Rb8 31. Rhd1 Ke7 32. Ke5 Rxb5+ 33. Rd5 Rb6 34. Rad1 Re6+ 35. Kxf5 Rf6+ 36. Kxg5 Rxf2 37. R1d2 e3 38. Re5+ Kf7 39. Rd7+ Kf8 40. Rxe3 Rxg2+ 41. Kxh5 Rxh2+ 42. Kg6 Rg2+ 43. Kf5 Rf2+ 44. Kg4 Rg2+ 45. Rg3 Rxg3+ 46. Kxg3 1-0

[Event "Pan American-ch School U13"]
[Site "Medellin"]
[Date "2019.11.16"]
[Round "8"]
[White "Ospina Betancur, Santiago"]
[Black "Giraldo, Emanuel"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1215"]
[BlackElo "1557"]
[PlyCount "52"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 g6 4. c3 Bg7 5. Nd2 d6 6. dxc5 dxc5 7. Nb3 Qb6 8. Nf3 Nc6 9. Qd3 0-0 10. Qb5 Ne4 11. Qxb6 axb6 12. Bc7 Na5 13. Nbd2 Nxd2 14. Nxd2 Be6 15. Bxb6 Rfc8 16. Bxa5 Rxa5 17. a3 b5 18. Be2 b4 19. Nb1 Rb8 20. Bd3 bxc3 21. bxc3 Rb3 22. Kd2 Rb2+ 23. Bc2 Bb3 24. Rc1 Ra8 25. Kd1 Rd8+ 26. Nd2 Bxc3 0-1

[Event "Pan American-ch School U13"]
[Site "Medellin"]
[Date "2019.11.15"]
[Round "6"]
[White "Claro Molinares, Samuel David"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1507"]
[BlackElo "1215"]
[PlyCount "109"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 Nf6 5. Nf3 Bf5 6. d4 e6 7. 0-0 c6 8. Re1 Nbd7 9. Bf4 Nb6 10. Bb3 Bd6 11. Ne5 Qc7 12. Bg3 Bg6 13. Nxg6 hxg6 14. Bxe6 Bxg3 15. Bh3+ Kd8 16. hxg3 Qd6 17. Ne4 Nxe4 18. Rxe4 f5 19. Re1 Kc7 20. c4 Nxc4 21. Qe2 Nb6 22. Qe7+ Qd7 23. Re6 Rh6 24. Rae1 Nd5 25. Qxd7+ Kxd7 26. Rxg6 Rxg6 27. Bxf5+ Kd6 28. Bxg6 Rf8 29. f4 Rf6 30. Be4 Re6 31. Kf2 Nf6 32. Bf3 Nd5 33. Rxe6+ Kxe6 34. Bxd5+ Kxd5 35. Ke3 b5 36. g4 a6 37. f5 a5 38. g5 b4 39. g4 a4 40. Kd3 b3 41. a3 Kd6 42. Ke4 Ke7 43. Ke5 Kd7 44. f6 g6 45. d5 c5 46. d6 c4 47. f7 c3 48. f8Q cxb2 49. Qf1 Kc8 50. Qb1 Kd7 51. Qxb2 Kc8 52. Ke6 Kb7 53. d7 Kc7 54. Ke7 Kc6 55. d8Q 1-0

[Event "Pan American-ch School U13"]
[Site "Medellin"]
[Date "2019.11.14"]
[Round "5"]
[White "Beltran, Nicolas"]
[Black "Ospina Betancur, Santiago"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1215"]
[PlyCount "70"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 dxe4 3. f3 exf3 4. Nxf3 Bf5 5. d3 e6 6. Bf4 Bd6 7. Qd2 a6 8. 0-0-0 Bxf4 9. Qxf4 Qd6 10. Qa4+ Qc6 11. Qb3 Nd7 12. d4 Ne7 13. Bd3 Bxd3 14. cxd3 Nd5 15. Ne5 Nxe5 16. dxe5 Nxc3 17. bxc3 Qb5 18. Qc2 Qxe5 19. d4 Qg5+ 20. Rd2 0-0-0 21. h4 Qf4 22. Qb3 Rd5 23. Qb2 e5 24. c4 Rxd4 25. Rhd1 Rxc4+ 26. Kb1 Rb4 27. Qxb4 Qxb4+ 28. Rb2 Qe4+ 29. Kc1 Rd8 30. Rdd2 Qe1+ 31. Kc2 Rxd2+ 32. Kb3 Qe3+ 33. Kc4 Qe4+ 34. Kb3 Rxb2+ 35. Ka3 Qb4# 0-1

[Event "Pan American-ch School U13"]
[Site "Medellin"]
[Date "2019.11.14"]
[Round "4"]
[White "Ospina Betancur, Santiago"]
[Black "Martinez Serna, Juan Esteban"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1215"]
[PlyCount "80"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Bf5 5. Bd3 Bxd3 6. Qxd3 Qb6 7. dxc5 Qxb2 8. Qc3 Qc1+ 9. Ke2 Qxh1 10. Na3 Qxg2 11. Qb3 0-0-0 12. Rb1 Rd7 13. Ng5 Qg4+ 14. Kd2 e5 15. Bg3 Qxg5 16. Kc1 Bxc5 17. f4 Bxa3+ 18. Qxa3 Qe7 19. Qa4 Nf6 20. fxe5 Ne4 21. e6 Rd6 22. Bxd6 Nxd6 23. exf7 Qxe3+ 24. Kd1 Qg1+ 25. Kd2 Qxb1 26. Qf4 Qb4+ 27. Qxb4 Nxb4 28. Ke3 Nxf7 29. a4 Re8+ 30. Kd4 Re4+ 31. Kc3 Rc4+ 32. Kb3 Rxc2 33. Kxb4 d4 34. h4 d3 35. Kb3 Rc6 36. h5 d2 37. h6 d1Q+ 38. Kb2 Qd3 39. hxg7 Rc2+ 40. Kb1 Qd1# 0-1

[Event "Pan American-ch School U13"]
[Site "Medellin"]
[Date "2019.11.13"]
[Round "3"]
[White "Quenza Salazar, Arturo"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1677"]
[BlackElo "1215"]
[PlyCount "105"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 Nf6 5. Nf3 Bf5 6. Ne5 e6 7. Qf3 Qd4 8. Qe3 Qxe3+ 9. fxe3 Bd6 10. Nd3 Nbd7 11. a3 a5 12. Ne2 c6 13. 0-0 Ke7 14. Ne1 h5 15. d3 Ng4 16. h3 Ngf6 17. e4 Bg6 18. Nf3 b5 19. Ba2 b4 20. a4 Nb6 21. e5 Bc7 22. exf6+ gxf6 23. Bb3 Rag8 24. Nh4 Nd7 25. Nxg6+ Rxg6 26. Bf4 e5 27. Be3 Rhg8 28. Rf2 Nb6 29. Bc5+ Ke8 30. Raf1 Nd7 31. Be3 h4 32. Kh1 Bd8 33. c3 bxc3 34. bxc3 Nf8 35. Bc2 R6g7 36. d4 Rh8 37. dxe5 fxe5 38. Be4 Ne6 39. Bxc6+ Ke7 40. Bd5 Bc7 41. Rb1 Kd6 42. c4 Rhg8 43. Rb2 Rh8 44. Bb6 Bxb6 45. Rxb6+ Kc5 46. Rb5+ Kd6 47. Rxa5 Rb8 48. Rb5 Rc8 49. a5 Rc7 50. a6 Rh7 51. Nc3 Nd4 52. Ne4+ Ke7 53. Rb6 1-0

[Event "Pan American-ch School U13"]
[Site "Medellin"]
[Date "2019.11.12"]
[Round "2"]
[White "Ospina Betancur, Santiago"]
[Black "Sutta, Johan Alexander"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1215"]
[PlyCount "39"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c3 Bd6 5. Bg3 c5 6. Nd2 Nbd7 7. Bxd6 b6 8. Bb5 Bb7 9. Ngf3 a6 10. Bxd7+ Qxd7 11. dxc5 bxc5 12. Bxc5 Rc8 13. Bb4 Qb5 14. Qe2 Qc6 15. Rc1 Qa4 16. 0-0 Nd7 17. Nb3 Qxa2 18. Nfd4 Bc6 19. Ra1 Bb5 20. Qd2 1-0

[Event "Pan American-ch School U13"]
[Site "Medellin"]
[Date "2019.11.12"]
[Round "1"]
[White "Ramos Proano, Leonardo Josue"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1707"]
[BlackElo "1215"]
[PlyCount "79"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Bg4 3. e3 e6 4. Be2 Nf6 5. Ne5 Bxe2 6. Qxe2 Nbd7 7. 0-0 Bd6 8. d4 c6 9. Nd2 Qe7 10. c4 Rc8 11. c5 Bc7 12. b4 b6 13. Nxc6 Qf8 14. Qa6 Rb8 15. Qxa7 Rc8 16. Qb7 Rd8 17. Qxc7 Rc8 18. Qb7 Rd8 19. Nxd8 Kxd8 20. c6 Rg8 21. b5 Qd6 22. cxd7 Qxd7 23. Qxb6+ Ke8 24. Ba3 Qd8 25. Qxd8+ Kxd8 26. b6 Kd7 27. Rfc1 Rb8 28. Rc7+ Kd8 29. Rac1 Nd7 30. b7 Nb6 31. R1c6 h6 32. Be7+ Ke8 33. Rxb6 g6 34. Bf6 h5 35. Rc8+ Kd7 36. Rxb8 Kc7 37. Rc8+ Kxb6 38. b8Q+ Ka6 39. Rc7 Ka5 40. Ra7# 1-0

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2019.06.24"]
[Round "7"]
[White "Alzate Velez, Valentin"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "D14"]
[WhiteElo "1295"]
[BlackElo "1225"]
[PlyCount "83"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. Nc3 Bf5 6. Nf3 Nc6 7. a3 e6 8. e3 a6 9. Qb3 Qd7 10. Be2 Be7 11. 0-0 Na5 12. Qd1 Bd6 13. Ne5 Qe7 14. Qa4+ b5 15. Qxa5 0-0 16. Na2 Rfc8 17. Qd2 Rc2 18. Qd1 Rxb2 19. Nd3 Bxd3 20. Bxd3 Bxa3 21. Re1 Rc8 22. Re2 Rxe2 23. Bxe2 Ne4 24. f3 Nc3 25. Nxc3 Rxc3 26. e4 h6 27. Bd2 Rc6 28. Qb3 b4 29. Re1 dxe4 30. fxe4 Qd6 31. d5 exd5 32. exd5 Rc7 33. Qa4 Qxd5 34. Qe8+ Kh7 35. Bf4 Rc3 36. Bf3 Qc5+ 37. Kh1 Qc4 38. Be4+ g6 39. Qf8 Qd4 40. Bxg6+ Kxg6 41. Qxh6+ Kf5 42. Qg5# 1-0

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2019.06.24"]
[Round "6"]
[White "Ospina Betancur, Santiago"]
[Black "Larrea Munera, Johan Darwin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1225"]
[BlackElo "1300"]
[PlyCount "78"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Bg5 h6 6. Bh4 c5 7. c3 0-0 8. Nbd2 Re8 9. Qc2 Nbd7 10. Bg3 Qc7 11. b3 b6 12. Bd3 Bb7 13. 0-0-0 a5 14. Rde1 Bc6 15. a4 Reb8 16. c4 e5 17. Nxe5 Nxe5 18. dxe5 Bxe5 19. cxd5 Bxd5 20. f4 Bd6 21. e4 Bxf4 22. exd5 Bxg3 23. hxg3 Qxg3 24. Be4 Re8 25. Rh3 Qxe1+ 26. Kb2 Nxe4 27. Nc4 Nf2 28. Rd3 Nxd3+ 29. Qxd3 Re2+ 30. Qxe2 Qxe2+ 31. Kc3 Re8 32. d6 Qe1+ 33. Nd2 Re2 34. d7 Qxd2+ 35. Kc4 Re4+ 36. Kb5 Qxd7+ 37. Ka6 Qc6 38. b4 Re8 39. b5 Ra8# 0-1

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2019.06.22"]
[Round "3"]
[White "Ospina Betancur, Santiago"]
[Black "Ospina Castro, Santiago"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1225"]
[BlackElo "1903"]
[PlyCount "42"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. c3 d6 6. Bd3 Nbd7 7. h3 c5 8. Nbd2 b6 9. Qc2 Bb7 10. 0-0 Qc7 11. Rfe1 a6 12. b3 b5 13. c4 bxc4 14. Nxc4 Bxf3 15. gxf3 cxd4 16. exd4 Nd5 17. Bg3 Bxd4 18. Be4 Bxa1 19. Bxd5 Bf6 20. Bxa8 Rxa8 21. Rxe7 Bxe7 0-1

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2019.06.21"]
[Round "1"]
[White "Laverde, Luis Eduardo"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2049"]
[BlackElo "1225"]
[PlyCount "41"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Bf5 5. Nf3 Nf6 6. Bc4 e6 7. Qe2 Bb4 8. 0-0 c6 9. a3 Bd6 10. Ne5 Qc7 11. f4 Nbd7 12. Be3 Nb6 13. Bb3 0-0-0 14. a4 Nbd5 15. Bd2 Nxc3 16. bxc3 Ne4 17. Be1 f6 18. g4 fxe5 19. gxf5 exf5 20. Be6+ Kb8 21. Bxf5 1-0

[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.16"]
[Round "7"]
[White "Diaz Larrea, Juan Manuel"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1487"]
[PlyCount "71"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 a6 6. Nf3 Nc6 7. c3 Qc7 8. 0-0 e6 9. Re1 Bd6 10. Bg5 Qe7 11. Nbd2 h6 12. Bh4 g5 13. Bg3 g4 14. Bxd6 Qxd6 15. Ne5 gxh3 16. gxh3 Rg8+ 17. Kh1 Qf8 18. Qf3 Nxe5 19. dxe5 Nd7 20. c4 b6 21. Kh2 Bb7 22. Bc2 Qg7 23. Qg3 Qxg3+ 24. fxg3 Ke7 25. cxd5 Bxd5 26. Bb3 Bxb3 27. Nxb3 Rac8 28. Rac1 Rxc1 29. Rxc1 Nxe5 30. Rc7+ Kd6 31. Ra7 a5 32. Ra6 Kc7 33. Nxa5 bxa5 34. Rxa5 Nc4 35. Rc5+ Kb6 36. Rxc4 1-0

[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.16"]
[Round "6"]
[White "Ospina Betancur, Santiago"]
[Black "Norena Marin, Jeronimo"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1322"]
[PlyCount "57"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 d5 4. e3 Nc6 5. Bb5 Bd7 6. Nc3 Bb4 7. Bg5 0-0 8. h3 h6 9. Bh4 a6 10. Ba4 Qe7 11. g4 e5 12. Bxc6 Bxc6 13. dxe5 d4 14. exd4 Qe6 15. g5 hxg5 16. Nxg5 Qe8 17. Rg1 Rd8 18. Qd3 Bxc3+ 19. bxc3 g6 20. Nf3 Be4 21. Qe2 Bc6 22. Bxf6 Bxf3 23. Qxf3 Rd6 24. Kd2 Rc6 25. Qh5 Rxf6 26. exf6 Qe6 27. Rxg6+ fxg6 28. Qxg6+ Kh8 29. Qg7# 1-0

[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.15"]
[Round "4"]
[White "Areiza Tabares, Samuel Andres"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1563"]
[PlyCount "38"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 d5 2. exd5 e6 3. dxe6 Bxe6 4. Nf3 Nc6 5. d4 Bg4 6. Bb5 Nf6 7. Bxc6+ bxc6 8. c3 Bd6 9. Bg5 Qe7+ 10. Qe2 Qxe2+ 11. Kxe2 Rb8 12. b3 Ne4 13. Be3 0-0 14. h3 Bh5 15. g4 Bg6 16. Nh4 Rfe8 17. Nxg6 fxg6 18. b4 Bf4 19. Rg1 Nf6 1-0

[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.15"]
[Round "5"]
[White "Ospina Betancur, Santiago"]
[Black "Rodriguez Criado, Santiago"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "73"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Bf4 Bf5 4. e3 Qd5 5. Nc3 Qc6 6. Nf3 Nf6 7. Ne5 Qa6 8. Bxc4 Qa5 9. Nxf7 Rg8 10. Ne5 Qb6 11. Bxg8 Nxg8 12. Qa4+ Nc6 13. Nd5 0-0-0 14. Nxb6+ cxb6 15. Nxc6 bxc6 16. Qxa7 e5 17. Bxe5 Bd6 18. Bxd6 Rxd6 19. Rc1 Bd7 20. Qxb6 Ne7 21. a4 Nd5 22. Qa6+ Kc7 23. e4 Nb4 24. Qa5+ Kc8 25. Qxb4 Re6 26. d5 Rg6 27. dxc6 Bxc6 28. Rxc6+ Rxc6 29. 0-0 Kd8 30. Rd1+ Kc8 31. h3 g5 32. Qf8+ Kc7 33. Qf7+ Kb6 34. a5+ Kxa5 35. Qb7 Rc4 36. b3 Rc5 37. Ra1# 1-0

[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.14"]
[Round "3"]
[White "Ortiz Lopera, Miguel Angel"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1500"]
[PlyCount "83"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. d4 Nc6 5. Nf3 Bg4 6. Bf4 e6 7. Nb5 Rc8 8. Be2 a6 9. Nc3 Bb4 10. 0-0 Nf6 11. Bg5 h6 12. Bh4 Qb6 13. Na4 Qa5 14. c3 Be7 15. b4 Qc7 16. h3 Bh5 17. Re1 Ne4 18. Bxe7 Nxe7 19. Ne5 Bxe2 20. Qxe2 b5 21. Nc5 Nxc3 22. Qf3 f6 23. Nxe6 Qd6 24. Nxg7+ Kf8 25. Nf5 Nxf5 26. Qxf5 Ne2+ 27. Rxe2 Re8 28. Ng6+ Kg7 29. Rxe8 Rxe8 30. Nh4 Re4 31. Qg6+ Kf8 32. Qxh6+ Ke7 33. Nf5+ Kd7 34. Nxd6 Kxd6 35. Qxf6+ Kc7 36. Rc1+ Kd7 37. Rc6 Re1+ 38. Kh2 Re2 39. Qd6+ Ke8 40. Rc7 a5 41. Qd7+ Kf8 42. Qf7# 1-0

[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.14"]
[Round "2"]
[White "Ospina Betancur, Santiago"]
[Black "Ruiz Orozco, Neider Santiago"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1275"]
[PlyCount "34"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. c4 c5 5. Nf3 Nc6 6. Nc3 Be7 7. Nb5 0-0 8. Nc7 Rb8 9. Nxe6 fxe6 10. Bxb8 Nxb8 11. Bd3 Nc6 12. Qd2 cxd4 13. exd4 Bb4 14. 0-0-0 Bxd2+ 15. Rxd2 Qa5 16. Kb1 Nxd4 17. Rhd1 Nc6 0-1

[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.13"]
[Round "1"]
[White "Duque Vasquez, David"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1678"]
[PlyCount "67"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 d5 2. exd5 e6 3. dxe6 Bxe6 4. Nf3 Nc6 5. d4 Nf6 6. Bb5 Be7 7. 0-0 Qd6 8. c4 a6 9. c5 Qd8 10. Bxc6+ bxc6 11. Nc3 Bg4 12. h3 Bxf3 13. Qxf3 Qxd4 14. Qxc6+ Nd7 15. Qxa8+ Bd8 16. Re1+ Ne5 17. Qe4 Qxe4 18. Rxe4 f6 19. f4 0-0 20. fxe5 fxe5 21. Rxe5 Bh4 22. Be3 Rb8 23. Nd5 Rxb2 24. Rf1 h6 25. Nxc7 Bg3 26. Re7 Rb7 27. Nd5 Rb2 28. c6 Rxa2 29. Re8+ Kh7 30. Nf4 Rc2 31. Rc1 Rb2 32. c7 a5 33. c8Q a4 34. Rh8# 1-0

