[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.17"]
[Round "6"]
[White "Obando Alzate, Mathias"]
[Black "Ortiz, Jonathan David"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1400"]
[PlyCount "23"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 0-0 6. Bg5 Nd4 7. Nd5 c6 8. Nxf6+ gxf6 9. Bh6 Re8 10. Nxd4 Bxd4 11. Qg4+ Kh8 12. Qg7# 1-0

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.17"]
[Round "7"]
[White "Ortiz, Jonathan David"]
[Black "Bedoya Zuluaga, Sergio David"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "32"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Nxe4 5. d3 Nd6 6. Ng5 Nxc4 7. dxc4 Be7 8. h4 Bxg5 9. hxg5 h6 10. Re1 hxg5 11. b4 g4 12. b5 Qh4 13. Kf1 Nd4 14. Rxe5+ Kf8 15. Ba3+ Qe7 16. Rxe7 Rh1# 0-1

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.16"]
[Round "4"]
[White "Aguirre Rojas, Jorge Alejandro"]
[Black "Ortiz, Jonathan David"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "21"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Nf3 Nc6 4. Bd3 e6 5. Nbd2 Bd6 6. Qe2 0-0 7. 0-0 Ng4 8. e4 Nxd4 9. Nxd4 Nxh2 10. Re1 Nf1 11. Rxf1 1-0

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.16"]
[Round "5"]
[White "Ortiz, Jonathan David"]
[Black "Cardoso Lugo, Eddy Sleyder"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "21"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 h6 5. 0-0 Nf6 6. d3 h5 7. Ng5 d5 8. exd5 Nd4 9. Re1 Ng4 10. Be3 Nxe3 11. Rxe3 1-0

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.15"]
[Round "3"]
[White "Ortiz, Jonathan David"]
[Black "Rivas Hoyos, Jermain Richard"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1487"]
[PlyCount "50"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 d6 4. Ng5 e6 5. Qf3 Qxg5 6. d3 Qg6 7. Nc3 Nf6 8. Nb5 Kd8 9. 0-0 a6 10. Na3 b5 11. Bb3 b4 12. Nc4 Nd4 13. Qd1 e5 14. Nb6 Bh3 15. g3 Rb8 16. Re1 Rxb6 17. c3 bxc3 18. bxc3 Nxb3 19. axb3 Qg4 20. f3 Qe6 21. d4 cxd4 22. cxd4 Qxb3 23. Be3 Qxd1 24. Rexd1 Nd7 25. dxe5 dxe5 0-1

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.15"]
[Round "2"]
[White "Soto Leguizamon, David Esteban"]
[Black "Ortiz, Jonathan David"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1507"]
[PlyCount "75"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. d3 Nf6 4. Bg2 e6 5. Nbd2 Bc5 6. a3 0-0 7. 0-0 e5 8. b4 Bb6 9. c4 e4 10. Ng5 Ng4 11. c5 Qf6 12. Ra2 Bxc5 13. bxc5 Qxg5 14. dxe4 dxe4 15. Nxe4 Qe5 16. Rd2 Bf5 17. Rd5 Qe6 18. Ng5 Qg6 19. e4 Be6 20. Nxe6 fxe6 21. Rg5 Rad8 22. Qxg4 Qf7 23. Bb2 g6 24. h4 Rd2 25. Ba1 Rxf2 26. Qd1 Rxg2+ 27. Kxg2 Qe8 28. Rxf8+ Qxf8 29. Qg4 Qf7 30. h5 e5 31. Bxe5 Nxe5 32. Rxe5 Qa2+ 33. Kh3 Kg7 34. h6+ Kxh6 35. Qg5+ Kg7 36. Re7+ Kf8 37. Qf6+ Kg8 38. Qg7# 1-0

[Event "COL-ch U18"]
[Site "Ibague"]
[Date "2024.03.14"]
[Round "1"]
[White "Ortiz, Jonathan David"]
[Black "Pilonieta Forero, Andres Felipe"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1694"]
[PlyCount "50"]
[EventDate "2024.03.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. 0-0 Be6 9. Bxe6 fxe6 10. Nb5 0-0-0 11. c3 g5 12. d4 Bb6 13. dxe5 dxe5 14. Qe2 Qf4 15. Rad1 g4 16. Nh4 Qg5 17. g3 Rxd1 18. Rxd1 Rf8 19. h3 Rxf2 20. Qc4 Rd2+ 21. Kh1 Rxd1+ 22. Kh2 Qd2+ 23. Ng2 Rh1+ 24. Kxh1 Qd1+ 25. Kh2 Qg1# 0-1

