[Event "Medellin Castro Memorial op-B 31st"]
[White "Molina Ballesteros, Juan Sebastian"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "6"]
[Result "1-0"]
[Date "2024.08.10"]
[ECO "C50"]
[WhiteElo "1864"]
[BlackElo "1675"]
[PlyCount "49"]
[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 h6 4. d4 exd4 5. Nxd4 Ne5 6. Bb3 Nf6 7. 0-0 c5 8. Nf5 d6 9. f4 Ng6 10. Ba4+ Bd7 11. Bxd7+ Qxd7 12. Nc3 0-0-0 13. Ne3 Be7 14. Ned5 Rhe8 15. Rb1 Qg4 16. Qd3 Nh4 17. g3 Ng6 18. b4 Qd7 19. Be3 b6 20. a4 Qb7 21. a5 Nd7 22. Nb5 a6 23. Nxe7+ Kb8 24. Qxd6+ Ka8 25. Nc7+ 1-0

[Event "Medellin Castro Memorial op-B 31st"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Ballesteros Gaitan, Simon Anibal"]
[Site "Medellin"]
[Round "7"]
[Result "0-1"]
[Date "2024.08.10"]
[ECO "C58"]
[WhiteElo "1675"]
[BlackElo "1787"]
[PlyCount "40"]
[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. Ng5 d5 5. exd5 Na5 6. d3 Nxc4 7. dxc4 Bc5 8. h3 e4 9. Nc3 Bf5 10. Qe2 0-0 11. h4 Bg4 12. Qf1 Re8 13. Be3 Qd6 14. Ne2 Qb6 15. Bxc5 Qxc5 16. b3 Bxe2 17. Qxe2 h6 18. Nh3 e3 19. f3 Qb4+ 20. Kf1 Nh5 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[White "Perez Lujan, Mateo"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "2"]
[Result "1-0"]
[Date "2024.08.08"]
[ECO "C65"]
[WhiteElo "1963"]
[BlackElo "1675"]
[PlyCount "73"]
[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 d6 4. c3 Bd7 5. d3 Nf6 6. Qe2 Ne7 7. Bc4 h6 8. Nbd2 Ng6 9. Nf1 Be7 10. Ng3 c6 11. d4 0-0 12. Nf5 Bxf5 13. exf5 Nf4 14. Bxf4 exf4 15. Qd2 d5 16. Bd3 Bd6 17. 0-0 Re8 18. Ne5 Qc7 19. Qxf4 Bxe5 20. dxe5 Qxe5 21. Qf3 Qd6 22. Rad1 Rad8 23. h4 Nd7 24. Bb1 Qf6 25. Rd4 Re5 26. Rf4 Nf8 27. Qh5 Rd6 28. g3 Kh7 29. g4 Kg8 30. g5 Qd8 31. Rg4 hxg5 32. hxg5 g6 33. fxg6 Nxg6 34. f4 Qb6+ 35. Kh1 Qe3 36. fxe5 a6 37. exd6 1-0

[Event "American Continental 18th"]
[White "Diaz Uchima, Emmanuel Santiago"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "8"]
[Result "1-0"]
[Date "2024.05.29"]
[ECO "C62"]
[WhiteElo "1499"]
[BlackElo "1734"]
[PlyCount "59"]
[EventDate "2024.05.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Bd7 5. d4 exd4 6. cxd4 Nf6 7. Nc3 h6 8. h3 Ne7 9. Bxd7+ Qxd7 10. d5 0-0-0 11. Be3 Kb8 12. Qd4 c5 13. Qa4 Qxa4 14. Nxa4 g5 15. Nc3 g4 16. Nd2 Ng6 17. f4 gxf3 18. gxf3 Ne5 19. b3 Re8 20. 0-0-0 Nfd7 21. Rhg1 Be7 22. Kc2 a6 23. a4 Rc8 24. f4 Ng6 25. Nc4 Bf8 26. f5 Ne7 27. Nxd6 Nxd5 28. Rxd5 Bxd6 29. Rxd6 Ne5 30. Rxh6 1-0

[Event "American Continental 18th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Suarez Londono, David"]
[Site "Medellin"]
[Round "7"]
[Result "0-1"]
[Date "2024.05.28"]
[ECO "C42"]
[WhiteElo "1734"]
[PlyCount "60"]
[EventDate "2024.05.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Bxf7+ Kxf7 5. Nxe5+ Kg8 6. Qf3 Nf6 7. d4 d5 8. 0-0 Bd6 9. Bg5 c6 10. Nc3 h6 11. Bh4 Nbd7 12. Rfe1 Nf8 13. Qd3 Be6 14. Re3 g5 15. Rg3 Bxe5 16. dxe5 Nh5 17. Rf1 Nxg3 18. Qxg3 Rh7 19. f4 Rg7 20. fxg5 hxg5 21. Rf6 gxh4 22. Qxh4 Qb6+ 23. Kh1 Qe3 24. h3 Qg3 25. Qxg3 Rxg3 26. Ne2 Rg6 27. Rf2 Re8 28. Nf4 Bf7 29. Re2 Rg5 30. Nd3 Ng6 0-1

[Event "American Continental 18th"]
[White "Hernandez Banquett, Bryan Steven"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "6"]
[Result "1-0"]
[Date "2024.05.27"]
[ECO "B00"]
[WhiteElo "1913"]
[BlackElo "1734"]
[PlyCount "42"]
[EventDate "2024.05.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Nc6 5. Nf3 Nce7 6. 0-0 d5 7. Re1 Ng6 8. exd5 Be7 9. Bb5+ Kf8 10. dxe6 f6 11. a3 Qd6 12. d5 Nh6 13. Bc4 Ng4 14. Ne4 Qd8 15. Bb3 f5 16. Ng3 h5 17. Nxf5 N6e5 18. Nxe5 Nxe5 19. Rxe5 g6 20. Nxe7 Qxe7 21. Bg5 Qd8 1-0

[Event "American Continental 18th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Ochoa Velasquez, Fabio"]
[Site "Medellin"]
[Round "5"]
[Result "1-0"]
[Date "2024.05.27"]
[ECO "B50"]
[WhiteElo "1734"]
[PlyCount "77"]
[EventDate "2024.05.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. d4 cxd4 5. Qxd4 Nf6 6. e5 Qa5+ 7. Bd2 dxe5 8. Nxe5 Bc5 9. Bxa5 Bxd4 10. Nd3 Nc6 11. Bd2 0-0 12. c3 Bb6 13. f3 e5 14. Bg5 Nd7 15. Nd2 h6 16. Bh4 Re8 17. 0-0-0 Nc5 18. Nf2 Bf5 19. g4 Be6 20. g5 hxg5 21. Bxg5 f6 22. Bh4 Rad8 23. a3 Bxc4 24. Nxc4 Bc7 25. b4 b5 26. Ne3 Ne6 27. Nd5 Kf7 28. Ne4 g5 29. Bf2 f5 30. Nxc7 fxe4 31. Nxe8 Kxe8 32. fxe4 Nf4 33. Kc2 Rc8 34. Kb3 Ne6 35. Rd6 Ke7 36. Rhd1 Nf8 37. Bc5 Kf7 38. Rf1+ Kg7 39. Rff6 1-0

[Event "American Continental 18th"]
[White "Gonzalez Zapata, Julian David"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "4"]
[Result "1-0"]
[Date "2024.05.26"]
[ECO "B00"]
[WhiteElo "1899"]
[BlackElo "1734"]
[PlyCount "43"]
[EventDate "2024.05.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 b6 2. Nf3 Bb7 3. Nc3 e6 4. Be2 Nc6 5. 0-0 Nf6 6. Re1 h6 7. d4 Ne7 8. Bf1 g5 9. e5 Nh7 10. Ne4 Ng6 11. h3 Qe7 12. c4 0-0-0 13. a4 Bg7 14. a5 Kb8 15. axb6 cxb6 16. Nd6 f5 17. Qa4 a6 18. Nxb7 Kxb7 19. Qxa6+ Kc6 20. d5+ exd5 21. cxd5+ Kxd5 22. Qc4# 1-0

[Event "American Continental 18th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Ortiz Valencia, Sofia"]
[Site "Medellin"]
[Round "3"]
[Result "1-0"]
[Date "2024.05.25"]
[ECO "B50"]
[WhiteElo "1734"]
[BlackElo "1467"]
[PlyCount "32"]
[EventDate "2024.05.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d4 cxd4 5. Qxd4 Nc6 6. Qd3 g6 7. Nc3 Bg7 8. Bg5 0-0 9. 0-0-0 a6 10. e5 Bf5 11. Qe2 Nd7 12. exd6 Re8 13. dxe7 Qc7 14. Nd5 Qc8 15. Nb6 Qc7 16. Nxa8 Rxa8 1-0

[Event "American Continental 18th"]
[White "Sepulveda Tuberquia, Ferney"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "2"]
[Result "1-0"]
[Date "2024.05.25"]
[ECO "A21"]
[WhiteElo "2025"]
[BlackElo "1734"]
[PlyCount "81"]
[EventDate "2024.05.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 e5 4. Nf3 Nc6 5. d5 Nce7 6. d6 cxd6 7. e4 Qb6 8. Nb5 Nf6 9. Nxd6+ Kf8 10. Be2 Qb4+ 11. Qd2 Qxd2+ 12. Bxd2 Nc6 13. Bc3 Nh5 14. g3 Ke7 15. 0-0-0 f6 16. b4 Bh6+ 17. Kb2 Ng7 18. b5 Ne6 19. bxc6 bxc6 20. Bb4 c5 21. Ba3 a6 22. Rd5 Rb8+ 23. Ka1 Rb6 24. Rhd1 Rc6 25. Nxc8+ Rhxc8 26. Rxd7+ Kf8 27. Rb1 Kg8 28. Rbb7 Bg7 29. Nd2 f5 30. Bd3 f4 31. g4 h6 32. Nb1 g5 33. Nc3 Bf8 34. Nd5 Nd8 35. Ra7 Rb8 36. Bb2 Re6 37. Bxe5 Nc6 38. Bxb8 Nxb8 39. Rf7 Nc6 40. Rf6 Nxa7 41. Rxe6 1-0

[Event "American Continental 18th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Mendez Machado, Andre"]
[Site "Medellin"]
[Round "1"]
[Result "0-1"]
[Date "2024.05.24"]
[ECO "C55"]
[WhiteElo "1734"]
[BlackElo "2106"]
[PlyCount "56"]
[EventDate "2024.05.24"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. Nxe5 Nxe5 6. d4 Nxc4 7. dxc5 0-0 8. Qe2 Ne5 9. Bg5 h6 10. Bh4 Ng6 11. Bg3 Qe7 12. b4 Re8 13. f3 d5 14. 0-0 dxe4 15. fxe4 a5 16. a3 axb4 17. axb4 Rxa1 18. Rxa1 c6 19. Bd6 Qe6 20. e5 Nxe5 21. Rf1 Nc4 22. Qxe6 Bxe6 23. Bf4 Nd5 24. Ne4 Nxf4 25. Rxf4 Bd5 26. Ng3 Re1+ 27. Kf2 Rc1 28. Nf5 Rxc2+ 0-1

[Event "Medellin Antioquia-ch"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Hernandez Gonzalez, Abraham"]
[Site "Medellin"]
[Round "7"]
[Result "1-0"]
[Date "2024.05.05"]
[ECO "D02"]
[WhiteElo "1734"]
[PlyCount "27"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Nc6 4. Bg2 e6 5. 0-0 Bd6 6. Re1 0-0 7. Nbd2 Bd7 8. e4 Qc8 9. e5 Nxd4 10. Nxd4 Bc5 11. N2f3 Ne4 12. Qd3 Bc6 13. Nd2 a6 14. Nxe4 1-0

[Event "Medellin Antioquia-ch"]
[White "Porras Zapata, Samantha"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "5"]
[Result "0-1"]
[Date "2024.05.04"]
[ECO "C42"]
[WhiteElo "1420"]
[BlackElo "1734"]
[PlyCount "16"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Bc5 4. Nxe5 Bxf2+ 5. Kf1 Nxe4 6. Nxf7 Qf6 7. Nxh8 Bc5+ 8. Ke1 Qf2# 0-1

[Event "Medellin Antioquia-ch"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Lopez Cardona, Santiago"]
[Site "Medellin"]
[Round "4"]
[Result "0-1"]
[Date "2024.05.03"]
[ECO "B21"]
[WhiteElo "1734"]
[PlyCount "64"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e5 5. Nf3 Nc6 6. Bc4 a6 7. Bxf7+ Kxf7 8. Ng5+ Ke8 9. Nd5 Nf6 10. 0-0 h6 11. Nh3 d6 12. Nxf6+ Qxf6 13. f4 Bxh3 14. Qh5+ g6 15. Qxh3 Be7 16. fxe5 Qxe5 17. Bf4 Qh5 18. Qe6 Nd4 19. Qc4 Ne2+ 20. Kh1 g5 21. Qa4+ b5 22. Qc2 gxf4 23. Rf3 Nd4 24. Qc3 Nxf3 25. gxf3 Kd7 26. Rd1 Rac8 27. Qb3 Rhg8 28. a4 Rg3 29. e5 Qxf3+ 30. Qxf3 Rxf3 31. Kg2 Rb3 32. Rd2 f3+ 0-1

[Event "Medellin Antioquia-ch"]
[White "Ortiz Lopera, Miguel Angel"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "1"]
[Result "1-0"]
[Date "2024.05.01"]
[ECO "B00"]
[WhiteElo "2026"]
[BlackElo "1734"]
[PlyCount "39"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Bb4 5. Nge2 d5 6. 0-0 c5 7. exd5 Qh4 8. dxc5 Bxc5 9. Bf4 exd5 10. Bb5+ Nd7 11. Nxd5 0-0-0 12. Bg3 Qe4 13. Nec3 Qf5 14. Qd3 Qg5 15. b4 Ndf6 16. h4 Qh5 17. bxc5 Nxd5 18. c6 Bxc6 19. Bxc6 Nc7 20. Bb7+ 1-0

[Event "Medellin de La Raza U2000 op"]
[White "Romero Arias, Daniel"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "8"]
[Result "0-1"]
[Date "2023.10.16"]
[ECO "C53"]
[WhiteElo "1260"]
[BlackElo "1568"]
[PlyCount "68"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. c3 Bc5 5. d4 exd4 6. cxd4 Bb6 7. 0-0 d6 8. Nc3 Nf6 9. d5 Ne7 10. Re1 Bg4 11. Qa4+ c6 12. dxc6 bxc6 13. e5 Bxf3 14. exf6 gxf6 15. gxf3 Rg8+ 16. Kf1 Qd7 17. Nd5 Qh3+ 18. Ke2 Qxh2 19. Nxf6+ Kf8 20. Nd7+ Kg7 21. Be3 Bxe3 22. Kxe3 Nf5+ 23. Kd3 Qxf2 24. Bd5 Kh8 25. Re2 Qg3 26. Bxc6 Rac8 27. Be4 Qg5 28. Bxf5 Qxf5+ 29. Kd2 Qd5+ 30. Ke3 Rce8+ 31. Kf2 Rxe2+ 32. Kxe2 Rg2+ 33. Ke3 Qd2+ 34. Ke4 Re2+ 0-1

[Event "Medellin de La Raza U2000 op"]
[White "Montoya Echeverri, Sebastian"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "4"]
[Result "1-0"]
[Date "2023.10.14"]
[ECO "C45"]
[WhiteElo "1909"]
[BlackElo "1568"]
[PlyCount "99"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Bb6 6. Nc3 Nge7 7. Bc4 Ne5 8. Be2 0-0 9. 0-0 Bxd4 10. Bxd4 d6 11. f4 N5c6 12. Be3 f5 13. Bd3 Be6 14. Qd2 Qe8 15. Rae1 Rd8 16. Nb5 Qd7 17. Nd4 Nxd4 18. Bxd4 c5 19. exf5 Bxf5 20. Bc3 Bxd3 21. Qxd3 d5 22. Be5 c4 23. Qe2 Ng6 24. Rf3 Nxe5 25. fxe5 Rxf3 26. e6 Qe7 27. Qxf3 d4 28. Qe4 b5 29. a4 bxa4 30. Rf1 Rf8 31. Rxf8+ Kxf8 32. Qa8+ Qe8 33. Qd5 d3 34. cxd3 cxd3 35. Kf2 a6 36. Ke3 Qb5 37. Qd8+ Qe8 38. Qd6+ Qe7 39. Qxa6 Qc5+ 40. Kxd3 Ke7 41. Qxa4 Qd5+ 42. Ke3 Qe5+ 43. Kf3 Qxb2 44. Qd7+ Kf6 45. Qf7+ Kg5 46. Qf4+ Kg6 47. Qe4+ Kf6 48. e7 Qa3+ 49. Kg4 Qxe7 50. Qf5# 1-0

[Event "Medellin de La Raza U2000 op"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Gonzalez Gonzalez, Guillermo David"]
[Site "Medellin"]
[Round "5"]
[Result "0-1"]
[Date "2023.10.14"]
[ECO "C02"]
[WhiteElo "1568"]
[BlackElo "1339"]
[PlyCount "102"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Qc2 Nxd4 9. Qa4+ Ndc6 10. 0-0 Bd7 11. Qf4 Ng6 12. Qg3 Qc7 13. Bf4 Nxf4 14. Qxf4 Be7 15. Re1 f6 16. Bd3 fxe5 17. Nxe5 Nxe5 18. Qxe5 Qxe5 19. Rxe5 Bf6 20. Re2 Rc8 21. Na3 0-0 22. Bb5 Rc7 23. Bxd7 Rxd7 24. Rc1 a6 25. b3 Rdf7 26. f3 g5 27. h3 h5 28. Nc2 Re7 29. Rce1 Rfe8 30. Kf1 Kg7 31. Ne3 Kf7 32. g4 h4 33. Ng2 e5 34. Ne3 d4 35. Nc4 Re6 36. Rd1 b5 37. Nd2 Rc8 38. Ne4 Rec6 39. Kf2 Kg6 40. b4 Be7 41. a3 Rc2 42. Rdd2 Rxd2 43. Rxd2 Kf7 44. Ke2 Ke6 45. Kd3 Kd5 46. Rb2 Rc1 47. Ra2 Rb1 48. Kc2 Rf1 49. Nd2 Rh1 50. Kd3 Rxh3 51. Rc2 e4+ 0-1

[Event "Medellin Flores op 30th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Zapata Uribe, Juan Sebastian"]
[Site "Medellin"]
[Round "4"]
[Result "0-1"]
[Date "2023.08.05"]
[ECO "B20"]
[WhiteElo "1567"]
[BlackElo "1581"]
[PlyCount "52"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. Bc4 Nf6 4. d3 e5 5. Nf3 d5 6. exd5 Nxd5 7. h3 Be6 8. Ng5 Nf4 9. Bxf4 exf4 10. Nxe6 fxe6 11. Bxe6 Qe7 12. Qe2 Nd8 13. Bb3 Qxe2+ 14. Kxe2 Bd6 15. Nd2 Nc6 16. Rhe1 0-0-0 17. Kf1 h5 18. Re6 g5 19. Rae1 g4 20. hxg4 hxg4 21. Ne4 f3 22. Ng3 Rh2 23. gxf3 gxf3 24. Re8 Rxe8 25. Rxe8+ Kd7 26. Rf8 Bxf8 0-1

[Event "Medellin Flores op 30th"]
[White "Ballesteros Gaitan, Simon Anibal"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "3"]
[Result "1-0"]
[Date "2023.08.04"]
[ECO "C77"]
[BlackElo "1567"]
[PlyCount "83"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 a6 5. Ba4 b5 6. Bc2 Nf6 7. d3 Bg4 8. Nbd2 Ne7 9. a4 h6 10. h3 Bh5 11. Nf1 g5 12. Ng3 Bg6 13. d4 exd4 14. cxd4 Bg7 15. 0-0 0-0 16. Qe2 c6 17. Rd1 Qc7 18. e5 Nfd5 19. e6 f5 20. Ra3 b4 21. Ra1 a5 22. Nf1 Rae8 23. Ne3 Nf6 24. Qc4 d5 25. Qc5 Nh5 26. Nf1 f4 27. N1h2 Bxc2 28. Qxc2 Nf5 29. Qe2 Re7 30. Ne5 Rf6 31. Qxh5 Rexe6 32. Nhg4 Rf8 33. Nf3 Rfe8 34. Nge5 Qa7 35. Nxc6 Qb6 36. Nce5 Bxe5 37. dxe5 d4 38. Bxf4 Ng7 39. Qg4 gxf4 40. Qxf4 Rg6 41. Qxd4 Qc7 42. Rac1 1-0

[Event "Medellin Flores op 30th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Bernal Perdomo, Francisco Jose"]
[Site "Medellin"]
[Round "2"]
[Result "0-1"]
[Date "2023.08.04"]
[ECO "C02"]
[WhiteElo "1567"]
[BlackElo "1849"]
[PlyCount "54"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. b3 cxd4 7. cxd4 Bb4+ 8. Bd2 Nxd4 9. Nc3 Bd7 10. Bd3 Nxf3+ 11. gxf3 Qd4 12. Qc2 Qxe5+ 13. Kd1 Rc8 14. Rc1 d4 15. f4 Qa5 16. Re1 Bxc3 17. Bxc3 Rxc3 18. Qd2 Nf6 19. Re5 Qc7 20. h3 Rxc1+ 21. Qxc1 Qxc1+ 22. Kxc1 Ke7 23. Kb2 Rc8 24. f5 Kd6 25. f4 Rc3 26. fxe6 fxe6 27. Bb5 Rxh3 0-1

[Event "Medellin Easter op 11th"]
[White "Garces Trujillo, Luis Javier"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "7"]
[Result "1/2-1/2"]
[Date "2023.04.09"]
[ECO "D31"]
[WhiteElo "1832"]
[BlackElo "1598"]
[PlyCount "70"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 c6 3. Nf3 d5 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Nf6 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 Nd5 11. Ba5 Qd6 12. bxc4 bxc4 13. Bxc4 0-0 14. 0-0 Nc6 15. Bd2 e5 16. e4 Nf6 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. Bb4 Re8 20. f3 Be6 21. Bd6 Qh5 22. Bxe6 Rxe6 23. Bg3 Qg6 24. e5 Nh5 25. Rxa7 Rae8 26. f4 Nxg3 27. hxg3 Qxg3 28. Rf3 Qh4 29. Ra4 Qe7 30. Qc2 g6 31. g3 h5 32. Rc3 Qf8 33. Rc7 R6e7 34. Raa7 Rxc7 35. Rxc7 Qb4 1/2-1/2

[Event "Medellin Easter op 11th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Londono, Miguel Angel"]
[Site "Medellin"]
[Round "6"]
[Result "1-0"]
[Date "2023.04.09"]
[ECO "C50"]
[WhiteElo "1598"]
[PlyCount "22"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bc4 Bc5 5. h3 d6 6. d3 Be6 7. Bb3 0-0 8. Bg5 h6 9. Bh4 a6 10. Ne2 Nb8 11. c4 c6 1-0

[Event "Medellin Easter op 11th"]
[White "Gomez Silva, Maximiliano"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "5"]
[Result "0-1"]
[Date "2023.04.08"]
[ECO "C54"]
[WhiteElo "1264"]
[BlackElo "1598"]
[PlyCount "70"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. c3 Bc5 5. d3 Nf6 6. Nbd2 d6 7. h3 Qe7 8. Nf1 Be6 9. Bb3 a6 10. Ng3 0-0-0 11. 0-0 Qd7 12. Bxe6 fxe6 13. Re1 Ne7 14. Be3 Bxe3 15. fxe3 g5 16. Nh2 Ng6 17. Ng4 Rdf8 18. Nxf6 Rxf6 19. Qh5 Qg7 20. Qg4 Qe7 21. d4 exd4 22. cxd4 Kb8 23. Rf1 Rhf8 24. Qh5 Nh4 25. e5 dxe5 26. dxe5 Rxf1+ 27. Rxf1 Rxf1+ 28. Kxf1 Qc5 29. Qe8+ Ka7 30. Qxe6 Qxe3 31. Ne2 Qe4 32. Qf6 Qxg2+ 33. Ke1 Nf3+ 34. Kd1 Qf1+ 35. Kc2 Qxe2+ 0-1

[Event "Medellin Easter op 11th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Villalba Valderrama, Alexander"]
[Site "Medellin"]
[Round "4"]
[Result "1-0"]
[Date "2023.04.07"]
[ECO "C50"]
[WhiteElo "1598"]
[PlyCount "53"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. h3 h6 6. Nc3 a6 7. Ne2 d6 8. c3 b5 9. Bb3 0-0 10. g4 Nh7 11. Ng3 Be6 12. Bc2 d5 13. Qe2 Qf6 14. Nf5 Bxf5 15. gxf5 dxe4 16. dxe4 Rad8 17. Rg1 Ne7 18. Bd2 Qc6 19. Nxe5 Qd6 20. Nd3 Bb6 21. e5 Qc6 22. f6 Nf5 23. 0-0-0 g6 24. Nb4 Qe6 25. Bb3 Qc8 26. Rxg6+ Kh8 27. Rgg1 1-0

[Event "Medellin Easter op 11th"]
[White "Betancur Jimenez, Yadir"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "3"]
[Result "1-0"]
[Date "2023.04.06"]
[ECO "D31"]
[WhiteElo "1596"]
[BlackElo "1598"]
[PlyCount "61"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 c6 3. e4 d5 4. cxd5 exd5 5. exd5 Qxd5 6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 Nf6 9. Bd3 Qxg2 10. Qf3 Qxf3 11. Nxf3 Nbd7 12. Rg1 g6 13. Bh6 Ng8 14. Bg7 f6 15. Bxh8 Kf7 16. Bc4+ Kf8 17. h4 Nb6 18. Bxg8 Kxg8 19. Bxf6 Bf5 20. h5 Nd5 21. Be5 Nxc3 22. Nh4 Kf7 23. Nxf5 gxf5 24. Rg7+ Ke6 25. Rxb7 c5 26. Rc1 Ne4 27. f3 Ng5 28. Kf2 Rc8 29. Rxa7 c4 30. Ra6+ Ke7 31. Bf6+ 1-0

[Event "Medellin Easter op 11th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Zapata Urrego, Camilo"]
[Site "Medellin"]
[Round "2"]
[Result "1/2-1/2"]
[Date "2023.04.06"]
[ECO "C50"]
[WhiteElo "1598"]
[BlackElo "1394"]
[PlyCount "35"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Ng5 Nh6 6. Qh5 0-0 7. Nxf7 Nxf7 8. Be3 Bxe3 9. fxe3 g6 10. Qf3 Qe7 11. 0-0 Be6 12. Nc3 Bxc4 13. dxc4 Ng5 14. Qg4 Rxf1+ 15. Rxf1 Rf8 16. Rxf8+ Kxf8 17. Qc8+ Nd8 18. Nd5 1/2-1/2

[Event "Medellin Easter op 11th"]
[White "Osorio Ocampo, John"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "1"]
[Result "1-0"]
[Date "2023.04.05"]
[ECO "E10"]
[BlackElo "1598"]
[PlyCount "63"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 h6 4. g3 d5 5. Bg2 Nc6 6. 0-0 Bd7 7. Nbd2 Ne7 8. Ne5 c6 9. e4 Ng6 10. Nxg6 fxg6 11. e5 Nh7 12. Qc2 Qg5 13. f4 Qf5 14. Qb3 0-0-0 15. Nf3 Kb8 16. Be3 Be7 17. Qc3 Rc8 18. b4 Qf8 19. Rab1 Qd8 20. a4 a6 21. c5 g5 22. b5 cxb5 23. axb5 Bxb5 24. Rf2 g4 25. Ne1 g5 26. Rfb2 Qd7 27. Bf1 Rc7 28. Bxb5 axb5 29. Rxb5 gxf4 30. Qa5 fxe3 31. Ra1 Rcc8 32. Qa7+ 1-0

[Event "Medellin Aristizabal Cup"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Munoz, Miguel Angel"]
[Site "Medellin"]
[Round "6"]
[Result "0-1"]
[Date "2020.11.22"]
[ECO "C02"]
[WhiteElo "1612"]
[BlackElo "1699"]
[PlyCount "62"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 Ne7 7. Qc2 Ng6 8. 0-0 Nc6 9. Be3 Rc8 10. Qd2 Be7 11. Na3 cxd4 12. Nxd4 Bxa3 13. Nxe6 Qxb2 14. Nxg7+ Kf8 15. Nh5 Qxd2 16. Bxd2 Ncxe5 17. f4 Bc5+ 18. Kh1 Ng4 19. Bxg4 Bxg4 20. Nf6 h5 21. h3 Bf5 22. Nxd5 Nh4 23. Rfe1 Rg8 24. Re5 Bd6 25. Re2 Rxg2 26. Rxg2 Nxg2 27. Kxg2 Be4+ 28. Kg3 Bxd5 29. Kh4 Be7+ 30. Kxh5 Bf3+ 31. Kh6 Rc6+ 0-1

[Event "Medellin Aristizabal Cup"]
[White "Guarin Fonseca, Nobel Alfredo"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "5"]
[Result "1-0"]
[Date "2020.11.21"]
[ECO "C02"]
[WhiteElo "1882"]
[BlackElo "1612"]
[PlyCount "61"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 c4 5. f4 Nc6 6. Nf3 Nh6 7. g3 Nf5 8. Bh3 g6 9. Na3 a6 10. Nc2 Bg7 11. Qe2 Qe7 12. Qf2 Bd7 13. g4 Nh6 14. b3 b5 15. bxc4 bxc4 16. Ba3 Qd8 17. Bd6 Bf8 18. Bxf8 Kxf8 19. Ne3 Rb8 20. 0-0 Kg7 21. Nh4 Rf8 22. f5 exf5 23. gxf5 Qg5+ 24. Kh1 Kh8 25. Rg1 Qd8 26. Qf4 Ng8 27. Rg3 Be8 28. f6 Bd7 29. Nef5 Qc7 30. Rxg6 fxg6 31. Nxg6+ 1-0

[Event "Medellin Aristizabal Cup"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Restrepo Cifuentes, Luciana"]
[Site "Medellin"]
[Round "4"]
[Result "1-0"]
[Date "2020.11.21"]
[ECO "C50"]
[WhiteElo "1612"]
[PlyCount "48"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. h3 d6 7. Ne2 d5 8. exd5 Nxd5 9. g4 Be6 10. Ng3 g6 11. Qe2 Qd6 12. Ne4 Qe7 13. Nxc5 Qxc5 14. Nxe5 Nd4 15. Qd1 0-0-0 16. Be3 f6 17. c3 Nc6 18. d4 Qe7 19. Nxc6 bxc6 20. Ba6+ Kd7 21. Qe2 g5 22. Bd3 Nf4 23. Bxf4 gxf4 24. 0-0-0 Ke8 1-0

[Event "Medellin Aristizabal Cup"]
[White "Toro Castaneda, Elizabeth"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "3"]
[Result "1-0"]
[Date "2020.11.20"]
[ECO "C45"]
[WhiteElo "1989"]
[BlackElo "1612"]
[PlyCount "37"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Ne5 5. f4 Ng6 6. Bc4 d6 7. 0-0 h5 8. Nc3 Bg4 9. Qd3 Bd7 10. Bd2 c6 11. Rae1 Be7 12. Bb3 Nh6 13. e5 d5 14. e6 Bc8 15. f5 Nf8 16. Kh1 Ng4 17. Nxd5 Nxh2 18. exf7+ Kd7 19. Rxe7+ 1-0

[Event "Medellin Aristizabal Cup"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Diaz Gonzalez, Ana Sofia"]
[Site "Medellin"]
[Round "2"]
[Result "1-0"]
[Date "2020.11.19"]
[ECO "C50"]
[WhiteElo "1612"]
[BlackElo "1359"]
[PlyCount "17"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. h3 d6 7. Be3 Be6 8. Bxe6 fxe6 9. a3 1-0

[Event "Medellin Aristizabal Cup"]
[White "Chirivi Castiblanco, Jenny Astrid"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "1"]
[Result "1-0"]
[Date "2020.11.18"]
[ECO "D31"]
[WhiteElo "2156"]
[BlackElo "1612"]
[PlyCount "67"]
[EventDate "2020.11.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Ne7 4. Nf3 g6 5. e4 c6 6. e5 Bg7 7. h4 h6 8. a3 Bd7 9. Bd3 Na6 10. c5 Nc7 11. b4 0-0 12. h5 f5 13. hxg6 Nxg6 14. Bxh6 Bxh6 15. Rxh6 Kg7 16. Qd2 Rh8 17. Rxh8 Qxh8 18. Ke2 Qh5 19. g3 Rh8 20. Rg1 Qg4 21. Qg5 Qxg5 22. Nxg5 Be8 23. a4 Rh5 24. Nf3 Kh6 25. Ke3 Bf7 26. b5 Ne7 27. bxc6 Nxc6 28. Rb1 Na5 29. Nb5 Nxb5 30. Rxb5 Nc6 31. Rxb7 Bg6 32. Bb5 Nb4 33. Nh4 Na2 34. Nxg6 1-0

[Event "Medellin U2000 op"]
[White "Castrillon, Carlos Andres"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "4.11"]
[Result "1-0"]
[Date "2019.10.??"]
[ECO "D15"]
[WhiteElo "1710"]
[BlackElo "1853"]
[PlyCount "37"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Bf5 3. e3 Nd7 4. c4 c6 5. Nc3 Ngf6 6. Nf3 Bg4 7. Be2 dxc4 8. Bxc4 Qa5 9. Bxf6 Nxf6 10. Qb3 0-0-0 11. Bxf7 Bxf3 12. gxf3 Nd5 13. 0-0-0 Nxc3 14. bxc3 Kb8 15. Be6 g6 16. Rd2 Bg7 17. Rb2 Qc7 18. Kc2 Rhf8 19. Rhb1 1-0

[Event "Medellin U2000 op"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Grajales Villamil, Daniel Adolfo"]
[Site "Medellin"]
[Round "3.9"]
[Result "0-1"]
[Date "2019.10.??"]
[ECO "C59"]
[WhiteElo "1853"]
[BlackElo "1628"]
[PlyCount "48"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 Bc5 9. c3 Bb6 10. b4 Nb7 11. Bc4 Nd6 12. Qb3 0-0 13. 0-0 Rb8 14. a4 h6 15. Nf3 e4 16. Ne5 Nxc4 17. Qxc4 Be6 18. Qxc6 Bd5 19. Qb5 Bxf2+ 20. Rxf2 Rxb5 21. axb5 Qb6 22. c4 Qd4 23. Nc3 Qxe5 24. Nxd5 Qxa1 0-1

[Event "Medellin U2000 op"]
[White "Reyes Rios, Juan Camilo"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "2.3"]
[Result "1-0"]
[Date "2019.10.??"]
[ECO "C62"]
[WhiteElo "1775"]
[BlackElo "1853"]
[PlyCount "121"]
[EventDate "2019.10.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Bxc6+ bxc6 6. Qxd4 h6 7. 0-0 Be6 8. Bf4 Nf6 9. c4 c5 10. Qd3 Be7 11. Nc3 0-0 12. Rad1 Nh5 13. Bc1 c6 14. e5 dxe5 15. Qxd8 Bxd8 16. Nxe5 Bf6 17. Rfe1 Rac8 18. h3 g5 19. Nd7 Bxc3 20. bxc3 Rfe8 21. g4 Bxd7 22. gxh5 Bxh3 23. Rxe8+ Rxe8 24. Be3 Bg4 25. Rd6 Kh7 26. Rxc6 Bxh5 27. Rxc5 Re7 28. Ra5 Bf3 29. Bxa7 Re1+ 30. Kh2 Kg6 31. Kg3 g4 32. Be3 h5 33. Rg5+ Kh6 34. Rb5+ Kg6 35. c5 Rg1+ 36. Kf4 h4 37. Rb8 h3 38. Bd4 f6 39. Rh8 Kg7 40. Rh4 Rh1 41. Kf5 Rf1 42. Bxf6+ Kf7 43. Be5 Rxf2 44. Rh7+ Ke8 45. Ke6 Be4 46. Rh8+ Rf8 47. Rxf8+ Kxf8 48. Kd7 Kf7 49. a4 Bf5+ 50. Kd6 Bc8 51. a5 Kg6 52. c6 Kf5 53. Kd5 Ba6 54. Bg3 Bc8 55. c4 Ba6 56. c5 Bc8 57. c7 Ba6 58. c6 Bc8 59. Kd4 Ke6 60. Kc5 Ba6 61. Kb6 1-0

[Event "COL-ch U1700"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Vergara Agudelo, David Felipe"]
[Site "Pereira"]
[Round "9"]
[Result "1-0"]
[Date "2019.03.25"]
[ECO "B12"]
[WhiteElo "1651"]
[PlyCount "33"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 f6 4. Nc3 fxe5 5. Qh5+ g6 6. Qxe5 Nf6 7. Bd3 Bg7 8. Nf3 Bg4 9. Qg5 Rg8 10. Ne5 Bh5 11. g4 Ne4 12. Nxe4 dxe4 13. Bc4 Rf8 14. Be3 h6 15. Qh4 g5 16. Qxh5+ Rf7 17. Qxf7# 1-0

[Event "COL-ch U1700"]
[White "Negron Lizarazo, Juan Sebastian"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Pereira"]
[Round "6"]
[Result "0-1"]
[Date "2019.03.24"]
[ECO "C44"]
[WhiteElo "1333"]
[BlackElo "1651"]
[PlyCount "88"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d6 5. cxd4 Bg4 6. Be2 Be7 7. Nc3 a6 8. Bf4 Qd7 9. 0-0 0-0-0 10. h3 Bxf3 11. Bxf3 Kb8 12. Rb1 f6 13. a4 g5 14. Be3 Nh6 15. b4 Na7 16. b5 a5 17. d5 b6 18. Ne2 f5 19. exf5 Nxf5 20. Bd4 Nxd4 21. Nxd4 Bf6 22. Nc6+ Nxc6 23. dxc6 Qf7 24. Qd5 Qg7 25. Rfe1 h5 26. Re6 g4 27. hxg4 hxg4 28. Be4 Qh6 29. g3 Qh2+ 30. Kf1 Be5 31. Bg2 Rhf8 32. Ke2 Qh7 33. Qe4 Qf7 34. Rg6 Qa2+ 35. Kd3 Qxb1+ 36. Ke3 Qe1+ 37. Kd3 Qxf2 38. Rxg4 Qb2 39. Bf3 Rde8 40. Qd5 Qc3+ 41. Ke2 Bxg3+ 42. Kf1 Rxf3+ 43. Kg2 Re2+ 44. Kh3 Rh2# 0-1

[Event "COL-ch U1700"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Pena Flechas, Luis Orlando"]
[Site "Pereira"]
[Round "7"]
[Result "0-1"]
[Date "2019.03.24"]
[ECO "C42"]
[WhiteElo "1651"]
[PlyCount "63"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 d6 5. Bg5 Be6 6. h3 Nbd7 7. a3 Ba5 8. b4 Bb6 9. Ne2 Qc8 10. g4 h6 11. Bd2 a6 12. Ng3 Bxg4 13. Nf5 Bxf5 14. exf5 Nf8 15. Nh4 Qd7 16. Bg2 c6 17. 0-0 Qe7 18. Nf3 N8d7 19. Be3 d5 20. Bxb6 Nxb6 21. Re1 Nbd7 22. c4 0-0 23. c5 Rfe8 24. Kh1 Qd8 25. Nh2 Qc7 26. Qd2 Re7 27. Rg1 Rae8 28. Rae1 Nf8 29. Re3 d4 30. Rg3 Nh5 31. Rg4 Nf6 32. Rh4 0-1

[Event "COL-ch U1700"]
[White "Gomez Saenz, Manuela"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Pereira"]
[Round "4"]
[Result "1-0"]
[Date "2019.03.23"]
[ECO "C50"]
[WhiteElo "1539"]
[BlackElo "1651"]
[PlyCount "45"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 h6 5. 0-0 Bc5 6. c3 d6 7. cxd4 Bb6 8. Nc3 Bg4 9. h3 Bh5 10. Nd5 Bxd4 11. g4 Ne5 12. gxh5 Nxf3+ 13. Qxf3 Nf6 14. Be3 Be5 15. Kh1 c6 16. Nxf6+ Bxf6 17. Rad1 Qe7 18. Rg1 0-0-0 19. Bxa7 b5 20. e5 d5 21. Bb6 Rd7 22. exf6 gxf6 23. Bd3 1-0

[Event "COL-ch U1700"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Orozco Fernandez, Eliana Andrea"]
[Site "Pereira"]
[Round "5"]
[Result "0-1"]
[Date "2019.03.23"]
[ECO "C57"]
[WhiteElo "1651"]
[BlackElo "1226"]
[PlyCount "64"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke8 8. Bxd5 Qd7 9. Bxc6 bxc6 10. Qh5+ Qf7 11. Qxe5+ Qe7 12. Qxe7+ Bxe7 13. d4 Kf7 14. Bf4 Bd6 15. Be5 Re8 16. f4 c5 17. c3 Ba6 18. Kf2 Bxe5 19. dxe5 Rad8 20. Re1 Kg8 21. a3 Rf8 22. g3 g5 23. Kf3 Kh8 24. b4 gxf4 25. gxf4 Rd3+ 26. Kg4 h5+ 27. Kg5 Rd7 28. f5 Rg7+ 29. Kh4 Rxf5 30. Re4 Bd3 31. Re1 Rg4+ 32. Kh3 Rf3# 0-1

[Event "COL-ch U1700"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Orozco Giraldo, Jhon Edison"]
[Site "Pereira"]
[Round "3"]
[Result "0-1"]
[Date "2019.03.22"]
[ECO "B27"]
[WhiteElo "1651"]
[BlackElo "1600"]
[PlyCount "126"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. Bc4 d6 5. d3 Nf6 6. Nbd2 Nc6 7. h3 Rb8 8. Nf1 b5 9. Bd5 Nxd5 10. exd5 Ne5 11. Ng3 Nxf3+ 12. Qxf3 b4 13. c4 e6 14. 0-0 Qf6 15. Qe2 Qe5 16. f4 Qxe2 17. Nxe2 exd5 18. cxd5 0-0 19. Ng3 Ba6 20. Rd1 f5 21. Rb1 Bb7 22. b3 Rfe8 23. Bb2 Bh6 24. Bc1 Bxd5 25. Rb2 Re6 26. Rc2 Bg7 27. Bb2 Bxb2 28. Rxb2 Rbe8 29. Kf2 a5 30. Rc2 a4 31. Rb2 axb3 32. axb3 Rb8 33. d4 c4 34. bxc4 Bxc4 35. d5 Re7 36. Rd4 Rc7 37. Ne2 Rc5 38. Nc3 Rcc8 39. Nb1 Rb5 40. Nd2 Bxd5 41. Nf3 Rc4 42. Rxc4 Bxc4 43. Nd4 Rb6 44. Ke3 Kf7 45. g4 Be6 46. g5 Bd5 47. Nc2 b3 48. Nd4 Ke7 49. h4 Bc4 50. Kd2 d5 51. Nf3 Ra6 52. Kc3 Ra2 53. Nd4 Rxb2 54. Kxb2 Kd6 55. Kc3 Kc5 56. Ne6+ Kb5 57. Nd4+ Ka4 58. Kb2 Kb4 59. Ne6 Be2 60. Nd4 Bd1 61. Nc6+ Kc5 62. Ne5 Kd4 63. Kc1 Kc3 0-1

[Event "COL-ch U1700"]
[White "Ramirez Zuluaga, Juan Diego"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Pereira"]
[Round "2"]
[Result "0-1"]
[Date "2019.03.22"]
[ECO "C50"]
[WhiteElo "1546"]
[BlackElo "1651"]
[PlyCount "42"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 exd4 5. Nxd4 Ne5 6. Bb3 Nf6 7. f4 Ng6 8. Qe2 c6 9. e5 Nd5 10. Qe4 Qa5+ 11. Bd2 Bb4 12. c3 Be7 13. c4 Nb4 14. Nf3 Qb6 15. f5 Nf8 16. f6 g5 17. fxe7 Ne6 18. c5 Nxc5 19. Qc4 Ncd3+ 20. Kd1 Nxb2+ 21. Ke1 Nxc4 0-1

[Event "Medellin Aristizabal Cup"]
[White "Arango Uribe, Daniel"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "4"]
[Result "0-1"]
[Date "2019.01.25"]
[ECO "C50"]
[BlackElo "1670"]
[PlyCount "39"]
[EventDate "2019.01.24"]
[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 Nc6 2. Nf3 e5 3. Nc3 Bc5 4. Bc4 h6 5. 0-0 Nf6 6. d3 d6 7. Be3 Bg4 8. Re1 Qd7 9. Nd5 a6 10. Nxc7+ Qxc7 11. c3 0-0-0 12. Bxf7 Qxf7 13. h3 Bh5 14. d4 Ba7 15. d5 Bxe3 16. Rxe3 Ne7 17. Qe2 g5 18. Qc4+ Kb8 19. Rd1 g4 20. hxg4 0-1

[Event "Medellin Aristizabal Cup"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Benjumea Rave, Jaime Stiden"]
[Site "Medellin"]
[Round "5"]
[Result "0-1"]
[Date "2019.01.25"]
[ECO "B30"]
[WhiteElo "1670"]
[BlackElo "1778"]
[PlyCount "24"]
[EventDate "2019.01.24"]
[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 c5 2. Nf3 Nc6 3. c3 g6 4. Bc4 Bg7 5. d3 e6 6. Nbd2 Nge7 7. h3 0-0 8. Nf1 d5 9. exd5 exd5 10. Bb3 Nf5 11. Ng3 Nxg3 12. fxg3 Re8+ 0-1

[Event "Medellin Aristizabal Cup"]
[White "Montoya Gomez, Juan Andres"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "2"]
[Result "0-1"]
[Date "2019.01.24"]
[ECO "D00"]
[WhiteElo "1500"]
[BlackElo "1670"]
[PlyCount "36"]
[EventDate "2019.01.24"]
[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. Nc3 d5 3. Bf4 c6 4. Nf3 Bf5 5. e3 e6 6. Bd3 Bg4 7. 0-0 Nbd7 8. h3 Bh5 9. Be2 Bb4 10. Ne5 Bg6 11. Nxg6 hxg6 12. a3 Bxc3 13. bxc3 Ne4 14. c4 Ndf6 15. Bd3 Nd6 16. c5 Nde4 17. Rb1 Qe7 18. Be5 Nd7 0-1

[Event "Medellin Aristizabal Cup"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Toro Castaneda, Miguel Angel"]
[Site "Medellin"]
[Round "3"]
[Result "0-1"]
[Date "2019.01.24"]
[ECO "B50"]
[WhiteElo "1670"]
[BlackElo "1887"]
[PlyCount "52"]
[EventDate "2019.01.24"]
[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 c5 2. Nf3 d6 3. Bc4 Nf6 4. c3 g6 5. Qa4+ Bd7 6. Qb3 e6 7. Qxb7 Nc6 8. d3 Rb8 9. Qa6 Rb6 10. Qa4 Ne5 11. Qc2 Nxf3+ 12. gxf3 Bg7 13. Nd2 0-0 14. Nf1 Bc6 15. Bg5 h6 16. Be3 Rb7 17. Ng3 Qa5 18. 0-0 d5 19. Bb3 h5 20. e5 Nd7 21. f4 Rfb8 22. c4 d4 23. Bd2 Qd8 24. Rae1 Bf3 25. Bc1 Qh4 26. Qd2 Qh3 0-1

[Event "COL-chB U1800"]
[White "Norena Marin, Jeronimo"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Antioquia"]
[Round "7"]
[Result "1-0"]
[Date "2018.12.09"]
[ECO "C55"]
[WhiteElo "1319"]
[BlackElo "1688"]
[PlyCount "77"]
[EventDate "2018.12.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 h6 5. d4 exd4 6. Nxd4 Nxd4 7. Qxd4 c5 8. Qd1 d6 9. e5 Qe7 10. 0-0 dxe5 11. Re1 Qd6 12. Qxd6 Bxd6 13. Bf4 Nd7 14. Rad1 Bb8 15. Nb5 f6 16. Nd6+ Bxd6 17. Rxd6 Nb6 18. Bb5+ Kf7 19. Be3 Bf5 20. Bxc5 Bxc2 21. Bxb6 axb6 22. Rxb6 Rab8 23. Bc4+ Kg6 24. Rxe5 Rhe8 25. Re2 Be4 26. f3 Bc6 27. b4 Rxe2 28. Bxe2 Bd5 29. a4 Rc8 30. Bd3+ Kg5 31. Rb5 Rd8 32. Be4 Kf4 33. Bxd5 Ke3 34. h3 b6 35. a5 bxa5 36. bxa5 Kf4 37. a6 Kg3 38. a7 Rc8 39. Kf1 1-0

[Event "COL-chB U1800"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Cordoba Perez, Jeronimo"]
[Site "Antioquia"]
[Round "6"]
[Result "0-1"]
[Date "2018.12.09"]
[ECO "C02"]
[WhiteElo "1688"]
[PlyCount "83"]
[EventDate "2018.12.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Qb3 Nge7 7. Qxb6 axb6 8. Be3 Nf5 9. Bb5 Bd7 10. a4 Nxe5 11. Bxd7+ Nxd7 12. Nbd2 Bd6 13. 0-0 0-0 14. h3 Ra6 15. g4 Nxe3 16. fxe3 Rfa8 17. b3 b5 18. Ng5 Nf6 19. Rab1 bxa4 20. bxa4 R8a7 21. e4 dxe4 22. Ndxe4 Nxe4 23. Nxe4 cxd4 24. cxd4 Be7 25. Rfc1 Rxa4 26. Rc7 Rxd4 27. Rxe7 Kf8 28. Rexb7 Rxb7 29. Rxb7 Rxe4 30. Kg2 Re3 31. h4 g6 32. g5 Kg7 33. Rb4 h6 34. Ra4 hxg5 35. hxg5 Re5 36. Rg4 f6 37. gxf6+ Kxf6 38. Kf3 g5 39. Ra4 Rf5+ 40. Kg3 Rd5 41. Kg4 Rd1 42. Re4 0-1

[Event "COL-chB U1800"]
[White "Loaiza Cuervo, Santiago"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Antioquia"]
[Round "5"]
[Result "1-0"]
[Date "2018.12.08"]
[ECO "C50"]
[BlackElo "1688"]
[PlyCount "45"]
[EventDate "2018.12.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 h6 5. 0-0 d6 6. Nxd4 Ne5 7. Bb3 c5 8. Nf3 Bg4 9. Nc3 Nf6 10. Bf4 Nxf3+ 11. gxf3 Be6 12. Nd5 b5 13. c4 bxc4 14. Nxf6+ gxf6 15. Ba4+ Bd7 16. Bxd7+ Qxd7 17. Qd5 Rg8+ 18. Kh1 Rd8 19. Rfe1 Qh3 20. Bg3 Be7 21. Qd2 h5 22. Qf4 Kf8 23. Rad1 1-0

[Event "COL-chB U1800"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Areiza Tabares, Samuel Andres"]
[Site "Antioquia"]
[Round "4"]
[Result "1-0"]
[Date "2018.12.08"]
[ECO "C50"]
[WhiteElo "1688"]
[PlyCount "29"]
[EventDate "2018.12.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d3 Bg4 5. h3 Bh5 6. Nc3 Bxf3 7. gxf3 Nge7 8. Ne2 a6 9. Bg5 Na5 10. Ng3 Nxc4 11. dxc4 Qd7 12. Qd3 f6 13. Be3 Ng6 14. 0-0-0 Be7 15. h4 1-0

[Event "COL-chB U1800"]
[White "Lopez, Jose Henry"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Antioquia"]
[Round "3"]
[Result "0-1"]
[Date "2018.12.07"]
[ECO "C64"]
[WhiteElo "1610"]
[BlackElo "1688"]
[PlyCount "46"]
[EventDate "2018.12.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bb5 d6 5. Bxc6+ bxc6 6. h3 Be6 7. d4 exd4 8. Nxd4 Qd7 9. Nxe6 Qxe6 10. 0-0 Ne7 11. Na4 Bb6 12. b3 Qxe4 13. Bb2 Rg8 14. Qd2 Qd5 15. Qf4 0-0-0 16. Qh4 Nf5 17. Qg4 Kb7 18. Rad1 Qe6 19. Rfe1 Qg6 20. Qb4 Rge8 21. c4 Nh4 22. g3 Qxg3+ 23. Kh1 Qg2# 0-1

[Event "COL-chB U1800"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Gallego Carvajal, Miguel Angel"]
[Site "Antioquia"]
[Round "2"]
[Result "0-1"]
[Date "2018.12.07"]
[ECO "C50"]
[WhiteElo "1688"]
[PlyCount "86"]
[EventDate "2018.12.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 h6 6. h3 d6 7. Ne2 Be6 8. Bb5 a6 9. Bxc6+ bxc6 10. Ng3 Qe7 11. c3 Rd8 12. Qa4 Bd7 13. Qxa6 d5 14. 0-0 0-0 15. Qa4 Bb6 16. Qc2 c5 17. exd5 Nxd5 18. Re1 f6 19. Be3 Nxe3 20. fxe3 Bc6 21. Qe2 Qd6 22. Rad1 Rfe8 23. c4 Ba5 24. Rf1 e4 25. Nxe4 Bxe4 26. dxe4 Qe6 27. Rxd8 Rxd8 28. Qc2 Re8 29. e5 fxe5 30. Qe4 c6 31. Nh4 Bd8 32. Nf5 Bf6 33. Rd1 Rd8 34. Rxd8+ Bxd8 35. g4 Bf6 36. Kf2 Qd7 37. Ke2 Qa7 38. Qxc6 Qxa2 39. Qb5 Qb1 40. Qb3 e4 41. Nd6 Qh1 42. Qb7 Qh2+ 43. Kf1 Qxd6 0-1

[Event "COL-chB U1800"]
[White "Carmona Guerrero, Mateo"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Antioquia"]
[Round "1"]
[Result "0-1"]
[Date "2018.12.06"]
[ECO "C54"]
[BlackElo "1688"]
[PlyCount "35"]
[EventDate "2018.12.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d3 Nf6 5. 0-0 Bc5 6. c3 d6 7. d4 Bb6 8. dxe5 Nxe4 9. Qd5 Be6 10. Qxe4 d5 11. Bxd5 Bxd5 12. Qg4 g5 13. Rd1 0-0 14. Nxg5 Nxe5 15. Qg3 Ng6 16. Nf3 Kh7 17. c4 c6 18. Qh4 0-1

[Event "Medellin Luces Cup"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Gallego, Jonathan"]
[Site "Medellin"]
[Round "7"]
[Result "1-0"]
[Date "2017.12.21"]
[ECO "C55"]
[WhiteElo "1667"]
[BlackElo "1943"]
[PlyCount "47"]
[EventDate "2017.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Nf6 4. d3 Nc6 5. Ng5 d5 6. exd5 Nxd5 7. Nxf7 Kxf7 8. Qf3+ Ke8 9. Bxd5 Qe7 10. Bxc6+ bxc6 11. Qxc6+ Bd7 12. Qxa8+ Kf7 13. Qf3+ Qf6 14. Qxf6+ gxf6 15. Nc3 Rg8 16. 0-0 Bc5 17. Ne4 Bb6 18. Be3 Bf5 19. Kh1 Bxe4 20. dxe4 c5 21. f4 exf4 22. Rxf4 h5 23. Raf1 Rg6 24. e5 1-0

[Event "Medellin Luces Cup"]
[White "Lopez Posada, Nelson Eduardo"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "4"]
[Result "1-0"]
[Date "2017.12.20"]
[ECO "C50"]
[WhiteElo "1780"]
[BlackElo "1667"]
[PlyCount "30"]
[EventDate "2017.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. h3 Nc6 5. a3 d6 6. Nf3 h6 7. Nc3 a6 8. b4 Ba7 9. Be3 Bxe3 10. fxe3 Ne7 11. 0-0 Be6 12. Ba2 Qd7 13. Bxe6 fxe6 14. d4 exd4 15. exd4 a5 1-0

[Event "Medellin Luces Cup"]
[White "Morales Guerrero, Alfonso Javier"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "2"]
[Result "0-1"]
[Date "2017.12.19"]
[ECO "C50"]
[WhiteElo "1989"]
[BlackElo "1667"]
[PlyCount "40"]
[EventDate "2017.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 h6 4. d4 exd4 5. Nxd4 Ne5 6. Bb3 Bc5 7. 0-0 d6 8. Be3 Nf6 9. f3 Bxd4 10. Bxd4 Be6 11. Bxe5 dxe5 12. Bxe6 fxe6 13. Qxd8+ Rxd8 14. Nc3 c6 15. Rad1 Ke7 16. b3 Rd4 17. Ne2 Rd7 18. Rxd7+ Nxd7 19. Rd1 g5 20. h3 h5 0-1

[Event "Medellin Luces Cup"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Martinez, Mauricio"]
[Site "Medellin"]
[Round "3"]
[Result "0-1"]
[Date "2017.12.19"]
[ECO "C42"]
[WhiteElo "1667"]
[BlackElo "1924"]
[PlyCount "56"]
[EventDate "2017.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 d5 5. exd5 Nxd5 6. Bd2 Bxc3 7. bxc3 Nc6 8. c4 Nde7 9. h3 0-0 10. Bc3 f6 11. Be2 Ng6 12. g3 Bf5 13. g4 Bd7 14. Nd2 Nd4 15. Bxd4 exd4 16. 0-0 Nf4 17. Kh2 f5 18. Kg3 Bc6 19. Bf3 fxg4 20. hxg4 Bxf3 21. Nxf3 Qd6 22. Rh1 Nxd3+ 23. Kg2 Nf4+ 24. Kf1 Rad8 25. Nd2 d3 26. c3 Ne2 27. Rh3 Qf4 28. f3 Qxg4 0-1

[Event "Medellin Aristizabal Cup"]
[White "Lopez Guarin, Simon"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "6"]
[Result "1-0"]
[Date "2017.09.10"]
[ECO "C50"]
[WhiteElo "1571"]
[BlackElo "1683"]
[PlyCount "51"]
[EventDate "2017.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 exd4 5. Nxd4 Ne5 6. Bb3 Nf6 7. f4 Ng6 8. e5 Ne4 9. Qe2 Qh4+ 10. g3 Nxg3 11. Qf2 Nxh1 12. Qxh4 Nxh4 13. Nc3 Bc5 14. Ndb5 Bb6 15. Nd5 Kd8 16. Nxb6 axb6 17. Bxf7 Nf3+ 18. Ke2 Nxh2 19. Bg6 Ng4 20. Kf3 h5 21. Bd2 Nhf2 22. Re1 Rxa2 23. f5 Rxb2 24. Bg5+ Nf6 25. exf6 c6 26. fxg7# 1-0

[Event "Medellin Aristizabal Cup"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Carmona Orrego, Alejandro"]
[Site "Medellin"]
[Round "5"]
[Result "1-0"]
[Date "2017.09.10"]
[ECO "C50"]
[WhiteElo "1683"]
[PlyCount "28"]
[EventDate "2017.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. d3 Nf6 6. h3 0-0 7. Bg5 h6 8. Bh4 Be6 9. Bb3 Na5 10. Ne2 Nxb3 11. axb3 d5 12. Ng3 Qe7 13. Nh5 dxe4 14. dxe4 Rad8 1-0

[Event "Medellin Aristizabal Cup"]
[White "Taborda, Nelson Dario"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "4"]
[Result "1-0"]
[Date "2017.09.09"]
[ECO "C50"]
[BlackElo "1683"]
[PlyCount "16"]
[EventDate "2017.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. 0-0 Bc5 5. Nc3 Nf6 6. a3 d6 7. h3 Be6 8. Bxe6 fxe6 1-0

[Event "Medellin Aristizabal Cup"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Medina, Julio C"]
[Site "Medellin"]
[Round "3"]
[Result "0-1"]
[Date "2017.09.08"]
[ECO "B22"]
[WhiteElo "1683"]
[BlackElo "1909"]
[PlyCount "44"]
[EventDate "2017.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. Bc4 d6 6. Bxd5 exd5 7. 0-0 dxe5 8. Nxe5 Bd6 9. d4 0-0 10. f4 Nc6 11. Nxc6 bxc6 12. dxc5 Bxc5+ 13. Kh1 Ba6 14. Rf3 Re8 15. Rg3 Bf2 16. Bd2 Bxg3 17. hxg3 Qb6 18. b3 Qf2 19. Qf3 Qxf3 20. gxf3 Re2 21. a4 Rae8 22. Kg1 Bd3 0-1

[Event "Medellin Aristizabal Cup"]
[White "Ruiz Agudelo, Jeronimo"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "2"]
[Result "0-1"]
[Date "2017.09.07"]
[ECO "C77"]
[WhiteElo "1358"]
[BlackElo "1683"]
[PlyCount "51"]
[EventDate "2017.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bb3 h6 8. 0-0 Bg4 9. Rd1 Qd7 10. d3 Ne7 11. Nbd2 g5 12. Nf1 Ng6 13. h3 Bxh3 14. gxh3 Qxh3 15. Ng3 Nf4 16. Qf1 Qg4 17. Nh2 Nh3+ 18. Kh1 Qd7 19. Qe2 g4 20. f3 h5 21. Rf1 h4 22. Nf5 g3 23. Ng4 Nxg4 24. fxg4 Nf2+ 25. Rxf2 gxf2 26. Qxf2 0-1

[Event "COL-ch"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Triana Castro, Francisco Javier"]
[Site "Palmira"]
[Round "8"]
[Result "0-1"]
[Date "2017.05.20"]
[ECO "B01"]
[WhiteElo "1695"]
[BlackElo "1562"]
[PlyCount "15"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. h3 Bf5 6. Qf3 c6 7. Nge2 e6 8. d4 0-1

[Event "COL-ch"]
[White "Urbano, Santiago"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Palmira"]
[Round "9"]
[Result "0-1"]
[Date "2017.05.20"]
[ECO "C77"]
[WhiteElo "1442"]
[BlackElo "1695"]
[PlyCount "42"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Bd7 5. 0-0 Nf6 6. Qe2 a6 7. Ba4 b5 8. Bb3 h6 9. d4 Bg4 10. Rd1 Be7 11. h3 Bh5 12. g4 Nxg4 13. hxg4 Bxg4 14. Bxf7+ Kf8 15. Bd5 Qd7 16. dxe5 Bh3 17. e6 Qe8 18. Kh2 Qh5 19. Qe3 Bg4+ 20. Kg3 Qh3+ 21. Kf4 g5+ 0-1

[Event "COL-ch"]
[White "Latorre, Franklin Leandro"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Palmira"]
[Round "7"]
[Result "1-0"]
[Date "2017.05.19"]
[ECO "C50"]
[WhiteElo "1827"]
[BlackElo "1695"]
[PlyCount "33"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 h6 5. 0-0 d6 6. c3 Ne5 7. Nxe5 dxe5 8. f4 Bc5 9. Kh1 exf4 10. Bxf4 dxc3 11. Bxf7+ Ke7 12. Qh5 Bd4 13. bxc3 Nf6 14. Qg6 Rf8 15. Bb3 Nh5 16. Qxh5 Rxf4 17. Rxf4 1-0

[Event "COL-ch"]
[White "Cifuentes, Santiago"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Palmira"]
[Round "5"]
[Result "0-1"]
[Date "2017.05.18"]
[ECO "D02"]
[WhiteElo "1553"]
[BlackElo "1695"]
[PlyCount "60"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 Nbd7 5. h3 h6 6. Be2 e6 7. 0-0 g5 8. Bh2 g4 9. hxg4 Nxg4 10. Bg3 h5 11. Bh4 Be7 12. Bxe7 Qxe7 13. Bd3 0-0-0 14. c3 Rdg8 15. b4 Be4 16. a4 f5 17. Qe2 Qg7 18. Bxe4 fxe4 19. Nh4 Qg5 20. g3 Nh6 21. Kh2 Nf6 22. Rh1 Nfg4+ 23. Kg2 Rf8 24. Rf1 Nf5 25. Nxf5 Rxf5 26. Nd2 h4 27. f4 exf3+ 28. Nxf3 Nxe3+ 29. Kh1 hxg3+ 30. Kg1 Qh6 0-1

[Event "COL-ch"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Zapata Cuartas, Juan Carlos"]
[Site "Palmira"]
[Round "6"]
[Result "0-1"]
[Date "2017.05.18"]
[ECO "B50"]
[WhiteElo "1695"]
[BlackElo "2073"]
[PlyCount "78"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. c3 Nf6 5. d3 a6 6. 0-0 Be7 7. h3 0-0 8. Nbd2 d5 9. exd5 exd5 10. Bb3 Nc6 11. Bc2 Bf5 12. Re1 Rc8 13. Nf1 d4 14. c4 h6 15. Bf4 Bg6 16. Qd2 Re8 17. Re2 Bd6 18. Rae1 Rxe2 19. Rxe2 Bxf4 20. Qxf4 Nb4 21. Ne1 Nxa2 22. Ng3 Nb4 23. Nf5 Bxf5 24. Qxf5 b5 25. b3 Qd7 26. Qf3 Qc6 27. Qg3 a5 28. Nf3 bxc4 29. bxc4 Re8 30. Rxe8+ Qxe8 31. Bb1 a4 32. Qc7 Qc6 33. Qa5 Nd7 34. Nxd4 Qf6 35. Nf3 Qb2 36. Qd8+ Nf8 37. Qe8 Qxb1+ 38. Kh2 Qxd3 39. Qxa4 Qxc4 0-1

[Event "COL-ch"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Carranza, Miguel"]
[Site "Palmira"]
[Round "4"]
[Result "1-0"]
[Date "2017.05.17"]
[ECO "B50"]
[WhiteElo "1695"]
[BlackElo "1618"]
[PlyCount "49"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. c3 Nxe4 5. Qa4+ Nd7 6. Bxf7+ Kxf7 7. Qxe4 Nf6 8. Qf4 e5 9. Qc4+ Ke8 10. 0-0 h6 11. Re1 a6 12. d4 b5 13. Qd3 e4 14. Rxe4+ Be7 15. Re1 Bb7 16. Nh4 Kd7 17. dxc5 Kc8 18. Ng6 Re8 19. Qf5+ Qd7 20. Qxd7+ Kxd7 21. Rd1 d5 22. Be3 Rad8 23. a4 bxa4 24. Rxa4 Ne4 25. Rxe4 1-0

[Event "COL-ch"]
[White "Calderon Zuta, Nicolas"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Palmira"]
[Round "3"]
[Result "1-0"]
[Date "2017.05.16"]
[ECO "C50"]
[WhiteElo "1852"]
[BlackElo "1695"]
[PlyCount "69"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Be7 5. c3 d6 6. cxd4 Nf6 7. Nc3 Bg4 8. Be3 a6 9. Rc1 0-0 10. h3 Bh5 11. 0-0 h6 12. Re1 Re8 13. Be2 Bg6 14. Nd2 Rb8 15. a3 Bf8 16. Bf3 Nh7 17. Nf1 f5 18. exf5 Bxf5 19. Bd5+ Kh8 20. Ng3 Qd7 21. Qh5 g6 22. Qf3 Nf6 23. Nxf5 gxf5 24. Ba2 Qg7 25. Qxf5 Ne7 26. Qf3 Ng6 27. Nd5 Nxd5 28. Bxd5 c6 29. Bb3 d5 30. Bc2 Bd6 31. Qh5 Kh7 32. Bxh6 Qxh6 33. Bxg6+ Kg7 34. Qxh6+ Kxh6 35. Bxe8 1-0

[Event "COL-ch"]
[White "Hernandez, Cristian Andres"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Palmira"]
[Round "1"]
[Result "1-0"]
[Date "2017.05.15"]
[ECO "D31"]
[WhiteElo "2255"]
[BlackElo "1695"]
[PlyCount "59"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Bb4 4. Nf3 Bxc3+ 5. bxc3 Ne7 6. e3 c6 7. Bd3 h6 8. 0-0 Nd7 9. a4 0-0 10. a5 Nf6 11. Ne5 dxc4 12. Nxc4 Nfd5 13. Qc2 Bd7 14. e4 Nc7 15. Qe2 f6 16. Nd6 Rb8 17. Bf4 Ng6 18. Bd2 Qe7 19. e5 f5 20. f4 Ne8 21. c4 Nxd6 22. Bb4 Qh4 23. g3 Qg4 24. Qxg4 fxg4 25. Bxd6 Kf7 26. f5 exf5 27. Bxf5 Bxf5 28. Rxf5+ Ke6 29. Rxf8 Nxf8 30. Bxb8 1-0

[Event "Manizales op 26th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Hurtado Mosquera, Orestes Andre"]
[Site "Manizales"]
[Round "8"]
[Result "0-1"]
[Date "2017.01.08"]
[ECO "C00"]
[WhiteElo "1695"]
[BlackElo "1573"]
[PlyCount "42"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Qxd5 5. Nc3 Qd8 6. Bc4 Nf6 7. d3 Bd6 8. Bg5 h6 9. Bh4 0-0 10. Nge2 Bg4 11. Ne4 Be7 12. f3 Nxe4 13. Bxe7 Qxe7 14. dxe4 Bd7 15. Qb3 Nc6 16. 0-0 Qc5+ 17. Kh1 Na5 18. Qd3 Qxc4 19. Qxd7 Qxe2 20. Qxc7 Qb5 21. Rfd1 Rac8 0-1

[Event "Manizales op 26th"]
[White "Bedoya Gil, Hernan"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Manizales"]
[Round "6"]
[Result "0-1"]
[Date "2017.01.07"]
[ECO "C48"]
[WhiteElo "1632"]
[BlackElo "1695"]
[PlyCount "38"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bb5 d6 5. 0-0 Nf6 6. h3 a6 7. Bc4 h6 8. Nd5 Nxd5 9. a3 Nf6 10. c3 Bd7 11. Qb3 Qc8 12. Bxf7+ Ke7 13. Bg6 Rf8 14. d3 b5 15. Nh4 Bxh3 16. gxh3 Qxh3 17. Nf5+ Kd7 18. Bd2 Qg4+ 19. Kh1 Qxg6 0-1

[Event "Manizales op 26th"]
[White "Riascos, Guillermo"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Manizales"]
[Round "7"]
[Result "1-0"]
[Date "2017.01.07"]
[ECO "D10"]
[WhiteElo "1815"]
[BlackElo "1695"]
[PlyCount "46"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. Bf4 Bf5 5. e3 e6 6. Qb3 Qb6 7. cxd5 Qxb3 8. axb3 exd5 9. Bxb8 Rxb8 10. Rxa7 Bb4 11. Ra4 Bd6 12. Be2 Bc2 13. Bd1 Bd3 14. Kd2 Ba6 15. Be2 Bxe2 16. Ngxe2 Ng4 17. h3 Nxf2 18. Rf1 Ne4+ 19. Nxe4 dxe4 20. Nc3 0-0 21. Nxe4 Be7 22. Kd3 Rfd8 23. Rc1 Rd5 1-0

[Event "Manizales op 26th"]
[White "Mesa, Francisco Sr"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Manizales"]
[Round "4"]
[Result "0-1"]
[Date "2017.01.06"]
[ECO "C72"]
[WhiteElo "1521"]
[BlackElo "1695"]
[PlyCount "36"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bg4 5. c3 a6 6. Ba4 b5 7. Bc2 Qf6 8. h3 Bxf3 9. Qxf3 Qxf3 10. gxf3 Be7 11. f4 f6 12. fxe5 Nxe5 13. d4 Nd7 14. Nd2 Nh6 15. Re1 Nf7 16. Nf3 Nb6 17. Bf4 0-0-0 18. Be3 Rdf8 0-1

[Event "Manizales op 26th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Marino Martinez, Edgar Orlando"]
[Site "Manizales"]
[Round "5"]
[Result "0-1"]
[Date "2017.01.06"]
[ECO "B50"]
[WhiteElo "1695"]
[BlackElo "1609"]
[PlyCount "88"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bc4 Nxe4 5. Qa4+ Bd7 6. Bxf7+ Kxf7 7. Qxe4 h6 8. Qxb7 Bc6 9. Qb3+ e6 10. d4 Bxf3 11. gxf3 Nd7 12. f4 Qc7 13. Be3 Be7 14. f5 c4 15. fxe6+ Kxe6 16. Qc2 Bf6 17. Nd2 Rhb8 18. Rg1 d5 19. Rg3 a5 20. Ke2 a4 21. a3 Rb6 22. Nf3 Rab8 23. Rb1 R8b7 24. Kf1 Qb8 25. Bc1 Rb3 26. Qe2+ Kf7 27. Nd2 Rxa3 28. Qh5+ Ke6 29. Re3+ Kd6 30. Qf7 Nf8 31. Qe8 Ra2 32. Kg2 a3 33. Qxb8+ Rxb8 34. b4 cxb3 35. Rxb3 Rxb3 36. Nxb3 Ne6 37. Rf3 Ng5 38. Rd3 Ne4 39. Be3 Rb2 40. Na1 a2 41. Bc1 Rxf2+ 42. Kh3 Rf1 43. Bb2 Rxa1 44. Bxa1 Nf2+ 0-1

[Event "Manizales op 26th"]
[White "Garcia Alarcon, Alvaro"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Manizales"]
[Round "2"]
[Result "1-0"]
[Date "2017.01.05"]
[ECO "D13"]
[WhiteElo "2195"]
[BlackElo "1695"]
[PlyCount "93"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 c6 4. Nc3 Nf6 5. Qb3 Qb6 6. Qxb6 axb6 7. cxd5 cxd5 8. Nb5 Na6 9. Bf4 Rc8 10. a3 Ne4 11. Ne5 Bd7 12. Nxd7 Kxd7 13. f3 Nf6 14. Kd2 e6 15. g4 h6 16. e3 Be7 17. Bd3 Ne8 18. h4 Bd6 19. g5 Bxf4 20. exf4 f5 21. Rag1 h5 22. g6 Nac7 23. Nc3 Nd6 24. Na4 Na8 25. Rg5 Ke7 26. Re1 Kf6 27. b3 Rc7 28. Re5 Re7 29. Nc3 Nc7 30. Ne2 Rh6 31. Ng3 Rxg6 32. Nxf5 Nxf5 33. Bxf5 Rxg5 34. fxg5+ Kf7 35. g6+ Kf6 36. Bd3 Ne8 37. Rxh5 Nd6 38. Rh8 Re8 39. Rxe8 Nxe8 40. Ke3 Nd6 41. Kf4 Nc8 42. h5 Ne7 43. b4 Nc6 44. Ke3 Kg5 45. Bb5 Kxh5 46. Bxc6 bxc6 47. a4 1-0

[Event "Manizales op 26th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Ochoa Parra, Carlos Orlando"]
[Site "Manizales"]
[Round "3"]
[Result "0-1"]
[Date "2017.01.05"]
[ECO "B06"]
[WhiteElo "1695"]
[BlackElo "1617"]
[PlyCount "48"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. d4 a6 4. Bc4 e6 5. Be3 b5 6. Bd3 Ne7 7. Qd2 d6 8. Nc3 Nd7 9. Bg5 Bb7 10. h4 h6 11. Be3 Nb6 12. Ne2 Rc8 13. g4 c5 14. c3 Nc4 15. Bxc4 Bxe4 16. Rh3 bxc4 17. dxc5 Nd5 18. Nfd4 dxc5 19. Nc2 Qb6 20. Na3 Bd3 21. 0-0-0 Rb8 22. Nf4 Nxc3 23. bxc3 Qb1+ 24. Nxb1 Rxb1# 0-1

[Event "Manizales op 26th"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Lopez Idarraga, Daniel Eduardo"]
[Site "Manizales"]
[Round "1"]
[Result "1/2-1/2"]
[Date "2017.01.04"]
[ECO "B22"]
[WhiteElo "1695"]
[BlackElo "2081"]
[PlyCount "102"]
[EventDate "2017.01.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. Bc4 e6 6. 0-0 d6 7. d4 Be7 8. Nbd2 0-0 9. Ne4 cxd4 10. cxd4 h6 11. h3 a6 12. Nc3 Nxc3 13. bxc3 b5 14. Bb3 Bb7 15. Re1 dxe5 16. Nxe5 Nxe5 17. Rxe5 Bf6 18. Re3 Rc8 19. Qg4 g6 20. Ba3 Re8 21. Rae1 Bd5 22. Bc5 Kg7 23. Qe2 Qd7 24. Bxd5 Qxd5 25. a4 Qb3 26. axb5 axb5 27. Qf3 Red8 28. Ra1 Qd5 29. Qe2 Rxc5 30. dxc5 b4 31. c4 Qxc5 32. Rb1 Bd4 33. Rf3 Bc3 34. Qe4 Rd4 35. Qb7 Qf8 36. c5 Rd8 37. c6 Be5 38. g3 Rb8 39. Qa7 Rc8 40. Qd7 Rc7 41. Qd2 Qd6 42. Qxb4 Qxc6 43. Qb3 Qc2 44. Qxc2 Rxc2 45. Rb7 Bf6 46. Ra3 Bd4 47. Rf3 Bf6 48. Rd3 Rc8 49. Rdd7 Rf8 50. Kf1 g5 51. g4 Kg6 1/2-1/2

[Event "Villamaria op 2nd"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Beltran Cervantes, Daniel"]
[Site "Villamaria"]
[Round "6"]
[Result "0-1"]
[Date "2016.07.04"]
[ECO "C58"]
[WhiteElo "1697"]
[BlackElo "1559"]
[PlyCount "44"]
[EventDate "2016.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Be2 Nxd5 7. d3 Be7 8. Ne4 0-0 9. Be3 f5 10. Nec3 Nxe3 11. fxe3 f4 12. 0-0 Bc5 13. d4 exd4 14. Na4 Bb6 15. Nxb6 axb6 16. Qxd4 Qxd4 17. exd4 Be6 18. Nd2 Nc6 19. c3 Rxa2 20. Rxa2 Bxa2 21. Ra1 Be6 22. Ra7 Nxa7 0-1

[Event "Villamaria op 2nd"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Medina Ocampo, Andres Felipe"]
[Site "Villamaria"]
[Round "3"]
[Result "0-1"]
[Date "2016.07.03"]
[ECO "C50"]
[WhiteElo "1697"]
[BlackElo "1648"]
[PlyCount "73"]
[EventDate "2016.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 d6 6. Nc3 h6 7. Bh4 Be6 8. Bb5 a6 9. Bxc6+ bxc6 10. Ne2 g5 11. Nxg5 hxg5 12. Bxg5 d5 13. Ng3 Be7 14. Qe2 Nd7 15. Bd2 d4 16. f4 exf4 17. Bxf4 Bg5 18. 0-0 Rh4 19. Nh5 Bg4 20. Ng7+ Kf8 21. Bxg5 Qxg5 22. Ne6+ Bxe6 23. Rf2 Ne5 24. Raf1 Ke7 25. Qe1 a5 26. Rf5 Bxf5 27. Rxf5 Qe3+ 28. Qxe3 dxe3 29. Rxe5+ Kd6 30. Rf5 e2 31. Kf2 Rxh2 32. Rg5 f5 33. Kxe2 fxe4 34. dxe4 a4 35. Kd3 Rf8 36. b3 axb3 37. axb3 0-1

[Event "Villamaria op 2nd"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Munoz Galvez, Jhon Edison"]
[Site "Villamaria"]
[Round "1"]
[Result "0-1"]
[Date "2016.07.02"]
[ECO "B22"]
[WhiteElo "1697"]
[BlackElo "2347"]
[PlyCount "62"]
[EventDate "2016.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. d3 d5 5. e5 Nd7 6. d4 e6 7. Be3 Qb6 8. b3 cxd4 9. cxd4 Bb4+ 10. Ke2 f6 11. a3 Qa6+ 12. Qd3 Qxd3+ 13. Kxd3 fxe5 14. Ng5 exd4 15. Bxd4 Nde5+ 16. Bxe5 Nxe5+ 17. Kc2 Be7 18. Bb5+ Bd7 19. Bxd7+ Kxd7 20. f4 Rac8+ 21. Kd2 Bxg5 22. fxg5 Rhf8 23. Ke2 Rf5 24. Nd2 Rxg5 25. g3 Rf5 26. Raf1 Rcf8 27. h3 Nc6 28. Nf3 Rxf3 29. Rxf3 Nd4+ 30. Ke3 Rxf3+ 31. Kxd4 Kd6 0-1

[Event "COL-ch Amateur"]
[White "Lopez, Alberto1"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin Antioquia"]
[Round "7"]
[Result "0-1"]
[Date "2016.03.06"]
[ECO "C62"]
[WhiteElo "1619"]
[BlackElo "1697"]
[PlyCount "88"]
[EventDate "2016.02.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. 0-0 Ne5 7. Bxd7+ Qxd7 8. Nd2 0-0-0 9. N2f3 Nf6 10. Qe2 h6 11. Bf4 Re8 12. Nd2 g5 13. Bxe5 dxe5 14. Nf5 Kb8 15. Rfd1 Qc6 16. c3 h5 17. h4 gxh4 18. Nxh4 Ng4 19. Nb3 Rg8 20. f3 Bc5+ 21. Nxc5 Qxc5+ 22. Kh1 Nf2+ 23. Kh2 Nxd1 24. Rxd1 Rd8 25. Rxd8+ Rxd8 26. Nf5 Qb6 27. Ne3 Qf6 28. Nf5 Qg5 29. Ne3 h4 30. Qe1 Qf4+ 31. Kh3 Kc8 32. Nf5 Rd2 33. Nxh4 Rxb2 34. Nf5 Qg5 35. Nh4 Rxa2 36. Qb1 Ra6 37. Qb4 Qd8 38. Qc5 Qd6 39. Qc4 Qe6+ 40. Qxe6+ Rxe6 41. Nf5 a5 42. g4 Kd7 43. Ne3 a4 44. Nc4 a3 0-1

[Event "COL-ch Amateur"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Aristizabal Ramirez, Cesar"]
[Site "Medellin Antioquia"]
[Round "4"]
[Result "0-1"]
[Date "2016.03.03"]
[ECO "B27"]
[WhiteElo "1697"]
[PlyCount "93"]
[EventDate "2016.02.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 d5 4. e5 Nc6 5. d4 Bd7 6. dxc5 e6 7. b4 Qc7 8. Qe2 Nh6 9. h3 Nf5 10. g4 Nfe7 11. Na3 a6 12. b5 Na5 13. Be3 Nc4 14. Nxc4 dxc4 15. b6 Qd8 16. Qxc4 Nd5 17. Bg5 Qc8 18. a4 Bxc5 19. a5 Qc6 20. Nd4 Bxd4 21. cxd4 Ne3 22. Qxc6 Bxc6 23. Bxe3 Bxh1 24. Rc1 Bc6 25. f4 0-0 26. Bd3 Rac8 27. Kf2 Bd5 28. Rc5 f6 29. exf6 Rxc5 30. dxc5 Rxf6 31. Kg3 e5 32. Be2 e4 33. g5 Rf8 34. h4 Rd8 35. h5 Bc6 36. Bc4+ Kf8 37. h6 Bd5 38. Be2 Kf7 39. f5 Bb3 40. f6 Bd5 41. Bd1 Bc4 42. Kf4 Rxd1 43. Kxe4 Bd5+ 44. Ke5 Bc6 45. Bf2 Rd5+ 46. Kf4 Rf5+ 47. Kg3 0-1

[Event "COL-ch Amateur"]
[White "Restrepo Castro, Juan David"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin Antioquia"]
[Round "3"]
[Result "1-0"]
[Date "2016.03.01"]
[ECO "D35"]
[WhiteElo "1587"]
[BlackElo "1697"]
[PlyCount "63"]
[EventDate "2016.02.29"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nc3 e6 4. Nf3 Nf6 5. e3 Bd6 6. cxd5 exd5 7. h3 Be6 8. Bd3 h6 9. 0-0 g5 10. Ne5 Nbd7 11. f4 gxf4 12. exf4 Nf8 13. f5 Bd7 14. Qe2 Be7 15. Bf4 Qb6 16. Be3 Rh7 17. Na4 Qa5 18. Nc5 Bxc5 19. dxc5 0-0-0 20. b4 Qc7 21. Bf4 Re8 22. Qb2 Qd8 23. Rab1 Nh5 24. Bh2 f6 25. Nxd7 Rxd7 26. b5 Qe7 27. Kh1 Qe3 28. bxc6 Ree7 29. cxd7+ Rxd7 30. Rfe1 Ng3+ 31. Bxg3 Qxg3 32. Re8+ 1-0

[Event "COL-ch Amateur"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Bedoya Giraldo, Duvan Alejand"]
[Site "Medellin Antioquia"]
[Round "2"]
[Result "1-0"]
[Date "2016.02.29"]
[ECO "B01"]
[WhiteElo "1697"]
[BlackElo "1607"]
[PlyCount "38"]
[EventDate "2016.02.29"]
[EventType "swiss"]
[EventRounds "9"]
[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. Bc4 Nf6 5. d3 Bg4 6. Nge2 e6 7. Be3 Nc6 8. f3 Bf5 9. a3 Be7 10. Qd2 Ne5 11. Ba2 Nd5 12. Bf2 c6 13. Ne4 Qc7 14. d4 Bxe4 15. fxe4 Ng4 16. exd5 Nxf2 17. Kxf2 cxd5 18. Raf1 Rc8 19. c3 Qb6 1-0

[Event "World Amateur-ch"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Pappas, Mihail"]
[Site "Chalkidiki"]
[Round "1"]
[Result "0-1"]
[Date "2015.04.14"]
[ECO "C02"]
[WhiteElo "1719"]
[BlackElo "1950"]
[PlyCount "66"]
[EventDate "2015.04.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 a5 7. 0-0 a4 8. a3 Bd7 9. Qd3 Nh6 10. Bxh6 gxh6 11. Qd2 Na5 12. dxc5 Qxc5 13. Nd4 Bg7 14. f4 Nb3 15. Qe3 Nxa1 16. Nd2 Nb3 17. Bh5 Bb5 18. Rf3 Nxd4 19. Rg3 Ne2+ 20. Bxe2 Qxe3+ 21. Rxe3 Bxe2 22. Rxe2 Ra6 23. Kf2 f6 24. g4 fxe5 25. fxe5 0-0+ 26. Kg3 h5 27. g5 Rf5 28. Nf3 Ra8 29. h4 Raf8 30. Re3 Rxf3+ 31. Rxf3 Bxe5+ 32. Kg2 Rxf3 33. Kxf3 d4 0-1

[Event "Pan American Amateur-ch"]
[White "Rozo, Claudia Magally"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "San Andres Islas"]
[Round "8"]
[Result "1-0"]
[Date "2014.08.30"]
[ECO "D03"]
[WhiteElo "1530"]
[BlackElo "1732"]
[PlyCount "42"]
[EventDate "2014.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c3 Bf5 4. Bg5 e6 5. Nbd2 Bd6 6. Ne5 Nbd7 7. Ndf3 h6 8. Nxd7 Qxd7 9. Bxf6 gxf6 10. e3 0-0-0 11. a4 e5 12. b4 Bg4 13. dxe5 Bxe5 14. Nxe5 fxe5 15. f3 Bh5 16. Qb3 Rhe8 17. Kf2 Qf5 18. h3 e4 19. f4 Rg8 20. g4 Bxg4 21. hxg4 Qf6 1-0

[Event "Pan American Amateur-ch"]
[White "Guerrero Sanchez, Jose David"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "San Andres Islas"]
[Round "6"]
[Result "0-1"]
[Date "2014.08.29"]
[ECO "A45"]
[BlackElo "1732"]
[PlyCount "34"]
[EventDate "2014.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Nd2 b6 4. f4 Bb7 5. Ngf3 e6 6. Bd3 Nbd7 7. 0-0 c5 8. c3 Bd6 9. Ne5 h6 10. Bb5 a6 11. Bxd7+ Nxd7 12. Qh5 Qe7 13. f5 Nxe5 14. dxe5 Bxe5 15. fxe6 Qxe6 16. Rxf7 Qxf7 17. Qxe5+ Kd7 0-1

[Event "Pan American Amateur-ch"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Palacio, Pablo Persi"]
[Site "San Andres Islas"]
[Round "4"]
[Result "0-1"]
[Date "2014.08.28"]
[ECO "B22"]
[WhiteElo "1732"]
[BlackElo "1907"]
[PlyCount "48"]
[EventDate "2014.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bd3 Nb4 8. Qa4+ N8c6 9. Be4 d5 10. Bc2 Bd7 11. Qb3 Na5 12. Bg5 Nxb3 13. Bxd8 Nxc2+ 14. Kd1 Nbxa1 15. Bg5 Bb4 16. Nbd2 Rc8 17. h4 h6 18. Bf4 Ba4 19. b3 Bb5 20. g4 Bc3 21. g5 Nxd4 22. Nxd4 Bxd4 23. gxh6 gxh6 24. Bg3 Bb2 0-1

[Event "Pan American Amateur-ch"]
[White "Silva, Jorge"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "San Andres Islas"]
[Round "5"]
[Result "1-0"]
[Date "2014.08.28"]
[ECO "C62"]
[WhiteElo "1926"]
[BlackElo "1732"]
[PlyCount "95"]
[EventDate "2014.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Qxd4 Bd7 6. Bxc6 Bxc6 7. Nc3 h6 8. 0-0 f6 9. Nh4 Qd7 10. Ng6 Rh7 11. b4 Qf7 12. Nxf8 Qxf8 13. b5 Bd7 14. Nd5 Kd8 15. c4 g5 16. f4 Rf7 17. a4 gxf4 18. Bxf4 Qg7 19. c5 Bh3 20. Rf2 Rd7 21. cxd6 cxd6 22. b6 a6 23. Nc7 Rc8 24. Kh1 Ne7 25. gxh3 Qf7 26. Rg1 Nc6 27. Qd5 Qxd5 28. exd5 Ne7 29. Re2 Rcxc7 30. bxc7+ Kxc7 31. Rg7 Nxd5 32. Rxd7+ Kxd7 33. Bxh6 Nc3 34. Rb2 Nxa4 35. Rxb7+ Ke6 36. Bf4 d5 37. Rb4 Nc5 38. Be3 Nd3 39. Rb6+ Ke5 40. Rxa6 f5 41. Kg2 f4 42. Bf2 d4 43. Ra4 Nxf2 44. Kxf2 Ke4 45. h4 Kd5 46. Kf3 Ke5 47. Ra5+ Ke6 48. Kxf4 1-0

[Event "Pan American Amateur-ch"]
[White "Lopez Ramirez, Daniel Giovanny"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "San Andres Islas"]
[Round "2"]
[Result "0-1"]
[Date "2014.08.27"]
[ECO "C50"]
[BlackElo "1732"]
[PlyCount "50"]
[EventDate "2014.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d3 Bc5 5. 0-0 d6 6. h3 Nf6 7. Be3 Bb6 8. Nc3 Be6 9. Bb3 Qd7 10. Nd5 Ne7 11. Nxe7 Kxe7 12. Bxb6 cxb6 13. Nd2 Rag8 14. Bxe6 fxe6 15. c3 g5 16. d4 exd4 17. cxd4 h5 18. f4 g4 19. h4 g3 20. Rf3 Rg4 21. e5 dxe5 22. dxe5 Qd4+ 23. Kf1 Rxf4 24. Rxf4 Qxf4+ 25. Nf3 Nd5 0-1

[Event "Pan American Amateur-ch"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Moreno Mora, Jaime Alberto"]
[Site "San Andres Islas"]
[Round "3"]
[Result "1-0"]
[Date "2014.08.27"]
[ECO "C55"]
[WhiteElo "1732"]
[BlackElo "1925"]
[PlyCount "53"]
[EventDate "2014.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d3 Nf6 5. Nc3 0-0 6. h3 a6 7. a3 b5 8. Ba2 Bb7 9. Bg5 b4 10. axb4 Bxb4 11. Qd2 d6 12. Nh4 Nd4 13. 0-0 h6 14. Bxf6 Qxf6 15. Nf5 Nxf5 16. exf5 Qxf5 17. Rae1 Qg6 18. f3 Kh8 19. Re2 f5 20. Qd1 c6 21. Na4 Rad8 22. c3 Ba5 23. Bb1 Bc7 24. d4 Qg3 25. Qe1 Qg5 26. h4 Qg6 27. g4 1-0

[Event "Pan American Amateur-ch"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Prado, Leonardo"]
[Site "San Andres Islas"]
[Round "1"]
[Result "0-1"]
[Date "2014.08.26"]
[ECO "B22"]
[WhiteElo "1732"]
[BlackElo "1954"]
[PlyCount "80"]
[EventDate "2014.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. Be2 Nf6 6. h3 Bf5 7. Na3 e6 8. Nc2 Bd3 9. 0-0 Be7 10. Ne3 Qd7 11. Re1 0-0 12. Bxd3 Qxd3 13. Qb3 Qd7 14. Nf1 Rad8 15. Qc2 Qc7 16. b3 Rd7 17. Bb2 Rfd8 18. Rad1 h6 19. a3 b5 20. Re2 Nh5 21. Qe4 Nf4 22. Re3 Nd3 23. Ba1 Rd6 24. Qg4 f5 25. Qg6 Bf6 26. Ne1 Nce5 27. Qh5 Nf4 28. Ng3 Nxh5 29. Nxh5 c4 30. Rg3 Kf7 31. bxc4 bxc4 32. d4 cxd3 33. f4 d2 34. Nc2 Nc4 35. Nxf6 gxf6 36. Nd4 Ra6 37. Rf3 Rxa3 38. Kh2 Rxd4 39. cxd4 Rxf3 40. gxf3 Qxf4+ 0-1

[Event "COL-ch sf"]
[White "Arias Rojas, Juan Diego"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "2"]
[Result "1-0"]
[Date "2014.??.??"]
[ECO "A00"]
[WhiteElo "1990"]
[BlackElo "1729"]
[PlyCount "51"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 Bc5 3. c4 f5 4. e3 Nf6 5. d4 Bb4+ 6. Nd2 e4 7. Ne2 0-0 8. c5 Bxd2+ 9. Bxd2 d5 10. cxd6 cxd6 11. 0-0 d5 12. Qb3 Nc6 13. Rfc1 Qe8 14. Nf4 Qf7 15. Rc5 Rd8 16. Rac1 g5 17. Ne2 Be6 18. Rb5 Rd7 19. Nc3 f4 20. Na4 f3 21. Nc5 fxg2 22. Nxd7 Ng4 23. Be1 Bxd7 24. Rxb7 Qh5 25. Qxd5+ Kh8 26. h4 1-0

[Event "COL-ch sf"]
[White "Arismendi Polanco, Efrain Steven"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "9"]
[Result "1-0"]
[Date "2014.??.??"]
[ECO "C30"]
[WhiteElo "1848"]
[BlackElo "1729"]
[PlyCount "54"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Bg4 4. Bc4 h6 5. fxe5 Qd7 6. exd6 Bxd6 7. d4 Ne7 8. e5 Bb4+ 9. c3 Ba5 10. 0-0 Nd5 11. Nbd2 Ne3 12. Qe2 Nxf1 13. Qxf1 Be6 14. Bxe6 Qxe6 15. Qb5+ Nc6 16. d5 Bb6+ 17. Qxb6 axb6 18. dxe6 fxe6 19. Nb3 Rd8 20. Be3 Rd5 21. Bd4 Na5 22. Kf2 Rf8 23. Ke2 Nc4 24. Nbd2 Nxb2 25. c4 Nxc4 26. Nxc4 Rxf3 27. gxf3 Rxd4 1-0

[Event "COL-ch sf"]
[White "Botello, Gregory Paul"]
[Black "Ossa Ramirez, Jesus Antonio"]
[Site "Medellin"]
[Round "5"]
[Result "1-0"]
[Date "2014.??.??"]
[ECO "C54"]
[WhiteElo "1961"]
[BlackElo "1729"]
[PlyCount "81"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Bg5 d6 6. c3 Bg4 7. Nbd2 Na5 8. Bb5+ Nc6 9. Nf1 h6 10. Be3 Nd7 11. h3 Bh5 12. g4 Bg6 13. Qe2 a6 14. Ba4 b5 15. Bc2 b4 16. Ba4 Ncb8 17. d4 exd4 18. cxd4 Bb6 19. Ng3 0-0 20. 0-0 Re8 21. Bf4 Qe7 22. Rfe1 a5 23. e5 d5 24. Nf5 Bxf5 25. gxf5 c6 26. Qe3 Qf8 27. Kh2 Kh8 28. Rg1 Nf6 29. Bc2 Nh5 30. f6 Nxf6 31. exf6 gxf6 32. Qd2 Nd7 33. Bxh6 Qd6+ 34. Bf4 Ne5 35. Bxe5 fxe5 36. Qg5 e4+ 37. Ne5 Qg6 38. Nxg6+ fxg6 39. Qf6+ Kh7 40. Qxg6+ Kh8 41. Qg7# 1-0

[Event "COL-ch sf"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Acuna Buitrago, Camilo Andres"]
[Site "Medellin"]
[Round "3"]
[Result "1-0"]
[Date "2014.??.??"]
[ECO "B50"]
[WhiteElo "1729"]
[BlackElo "2032"]
[PlyCount "37"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bc4 Nxe4 5. Qa4+ Nc6 6. Bxf7+ Kxf7 7. Qxe4 e6 8. d3 Be7 9. Qf4+ Bf6 10. Ng5+ Ke8 11. 0-0 Bxg5 12. Qxg5 Qxg5 13. Bxg5 h6 14. Be3 e5 15. Nd2 Bf5 16. Ne4 Ke7 17. Rad1 c4 18. f3 cxd3 19. Rxd3 1-0

[Event "COL-ch sf"]
[White "Ossa Ramirez, Jesus Antonio"]
[Black "Barona Maya, Julio Alejandro"]
[Site "Medellin"]
[Round "6"]
[Result "0-1"]
[Date "2014.??.??"]
[ECO "B50"]
[WhiteElo "1729"]
[PlyCount "21"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. Bc4 e6 5. d3 a6 6. Bg5 Nge7 7. Be3 h6 8. 0-0 Bd7 9. h3 b5 10. Bb3 Qc7 11. Nbd2 0-1

