[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.10"]
[Round "6"]
[White "Care Garcia, Jose Joaquin"]
[Black "Romero Ospina, Juan Miguel"]
[Result "1-0"]
[ECO "C74"]
[WhiteElo "1782"]
[PlyCount "53"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Qf6 6. h3 h5 7. d3 Nge7 8. Nbd2 Bd7 9. Nf1 g6 10. Bg5 Qg7 11. Qe2 f6 12. Bd2 0-0-0 13. 0-0-0 Kb8 14. Kb1 Nd4 15. Nxd4 exd4 16. Bxd7 dxc3 17. Bxc3 Rxd7 18. d4 Qf7 19. Ne3 Bh6 20. Nc2 Re8 21. Qd3 f5 22. f3 d5 23. e5 Qe6 24. Na1 Ka7 25. b4 Bf8 26. Nb3 Nc8 27. Nc5 1-0

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.10"]
[Round "7"]
[White "Romero Ospina, Juan Miguel"]
[Black "Silva Barajas, Jose Alejandro"]
[Result "0-1"]
[ECO "B76"]
[BlackElo "1638"]
[PlyCount "100"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 g6 6. f3 Bg7 7. Be3 Nf6 8. Qd2 Bd7 9. 0-0-0 0-0 10. Bh6 Nxd4 11. Bxg7 Nxf3 12. gxf3 Kxg7 13. e5 dxe5 14. Qg5 Qc7 15. h4 h6 16. Qg2 Bc6 17. Bd3 Nh5 18. Rhg1 Nf4 19. Qg4 Nxd3+ 20. Rxd3 Qc8 21. Qg3 Qf5 22. Nd5 Bxd5 23. Rxd5 Rac8 24. Qxe5+ Qxe5 25. Rxe5 e6 26. h5 Kf6 27. Re2 Rc5 28. hxg6 fxg6 29. Rge1 e5 30. a3 a5 31. c3 Rfc8 32. Kc2 Kf5 33. Re3 h5 34. b4 axb4 35. axb4 Rb5 36. Kb3 Re8 37. Kc4 Rb6 38. Kd5 Rbe6 39. c4 b6 40. c5 b5 41. c6 Rd8+ 42. Kc5 Rc8 43. Kd5 Rcxc6 44. Rxe5+ Rxe5+ 45. Rxe5+ Kf6 46. Re8 Rb6 47. Kc5 Rb7 48. Kc6 Re7 49. Kxb5 Rxe8 50. Kc6 h4 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.09"]
[Round "5"]
[White "Romero Ospina, Juan Miguel"]
[Black "Sanchez Ospina, William"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "1656"]
[PlyCount "50"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be3 d6 4. Nc3 Nf6 5. Qd2 Ng4 6. Bg5 h6 7. Bh4 Nc6 8. Nf3 a6 9. Be2 0-0 10. Rd1 Qe8 11. 0-0 e6 12. Rfe1 b5 13. d5 Nce5 14. Nd4 g5 15. Bg3 Nf6 16. f4 gxf4 17. Bxf4 Kh7 18. Nf3 Ng6 19. e5 Nh5 20. Be3 dxe5 21. Nxe5 Nxe5 22. Bxh5 Nc4 23. Qd3+ Kh8 24. Bc1 Qd7 25. Qf3 e5 1-0

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.08"]
[Round "3"]
[White "Varela Acosta, Valeria"]
[Black "Romero Ospina, Juan Miguel"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1435"]
[PlyCount "56"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 h6 7. Be3 Bb6 8. Qd2 Ng4 9. Bxb6 axb6 10. h3 Nf6 11. 0-0-0 Na5 12. g4 Nxc4 13. dxc4 Be6 14. b3 Qe7 15. Rhe1 0-0-0 16. Nd5 Bxd5 17. cxd5 c6 18. Qb4 Kc7 19. Qc3 h5 20. g5 Nh7 21. h4 f6 22. dxc6 bxc6 23. Qe3 Ra8 24. Kb1 Ra3 25. Kb2 Rha8 26. Ra1 R8a6 27. gxf6 Nxf6 28. Re2 R6a5 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.07"]
[Round "1"]
[White "Suaza Builes, Oscar A"]
[Black "Romero Ospina, Juan Miguel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1645"]
[PlyCount "19"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nc3 Bf5 4. e3 e6 5. Nf3 Nbd7 6. Bb5 c6 7. Ba4 Bd6 8. Ne5 Nxe5 9. dxe5 0-0 10. exd6 1-0

[Event "COL-ch U12"]
[Site "Choconta"]
[Date "2023.03.20"]
[Round "6"]
[White "Romero Ospina, Juan Miguel"]
[Black "Sanabria Calderon, Santiago"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1600"]
[PlyCount "38"]
[EventDate "2023.03.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Bd7 10. Kb1 a6 11. Bh6 Rc8 12. Bxg7 Kxg7 13. h4 h6 14. g4 Nh7 15. h5 g5 16. Nf5+ Bxf5 17. exf5 Nf6 18. f4 Nh7 19. fxg5 Nxg5 1-0

[Event "COL-ch U12"]
[Site "Choconta"]
[Date "2023.03.19"]
[Round "5"]
[White "Enciso Rincon, Juan Camilo"]
[Black "Romero Ospina, Juan Miguel"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1382"]
[BlackElo "1600"]
[PlyCount "43"]
[EventDate "2023.03.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c3 Nc6 5. Bd3 Bg4 6. h3 Bh5 7. Nbd2 e6 8. 0-0 e5 9. dxe5 Nxe5 10. Be2 Bd6 11. Nxe5 Bxe2 12. Qxe2 Bxe5 13. e4 0-0 14. Rd1 Re8 15. Nf3 Qb6 16. Nxe5 Rxe5 17. f3 dxe4 18. f4 Ree8 19. Be3 Rad8 20. Rd2 Nd5 21. Rad1 Nxe3 22. Qxe3 1/2-1/2

[Event "COL-ch U12"]
[Site "Choconta"]
[Date "2023.03.19"]
[Round "4"]
[White "Romero Ospina, Juan Miguel"]
[Black "Vargas Sanchez, Daniel Jose"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1600"]
[PlyCount "59"]
[EventDate "2023.03.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. d3 d6 4. Be3 f5 5. Qd2 e5 6. f4 Nf6 7. 0-0-0 c5 8. fxe5 dxe5 9. Bxc5 Na6 10. Ba3 Ng4 11. Be2 Bh6 12. Bxg4 Bxd2+ 13. Rxd2 fxg4 14. Nge2 Be6 15. d4 exd4 16. Nxd4 Qd7 17. Ndb5 Qxd2+ 18. Kxd2 0-0-0+ 19. Nd6+ Kc7 20. Ncb5+ Kc6 21. Nxa7+ Kb6 22. Nab5 Nc5 23. Rd1 Nxe4+ 24. Kc1 Nxd6 25. Nxd6 Kc6 26. Bb4 Rd7 27. c4 Rhd8 28. c5 b6 29. cxb6 Kxb6 30. Kc2 0-1

[Event "COL-ch U12"]
[Site "Choconta"]
[Date "2023.03.18"]
[Round "2"]
[White "Romero Ospina, Juan Miguel"]
[Black "Tobar Beltran, Miguel Angel"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1600"]
[BlackElo "1259"]
[PlyCount "56"]
[EventDate "2023.03.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qa5 6. f3 e5 7. Nb3 Qb6 8. Nd5 Nxd5 9. Qxd5 Qd6 10. Bc4 Qxd5 11. Bxd5 d6 12. Bd2 Be7 13. 0-0-0 0-0 14. Na5 Ra7 15. Be3 b6 16. Bxb6 Rd7 17. Nc6 Nxc6 18. Bxc6 Rdd8 19. Bxd8 Rxd8 20. Rd5 Be6 21. Ra5 Bc4 22. b3 Rc8 23. Bb7 Rc7 24. Bxa6 Bxa6 25. Rxa6 h5 26. Ra8+ Kh7 27. a4 Bg5+ 28. Kb2 Be3 1-0

