[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2017.05.24"]
[Round "2.4"]
[White "Ariza Giraldo, Raul Andres"]
[Black "Torres Rosas, Cefi Jefersson"]
[Result "1-0"]
[ECO "A41"]
[PlyCount "8"]
[EventDate "2017.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nc6 3. g3 Bg4 4. Bg5 e6 1-0

[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2017.05.24"]
[Round "4.13"]
[White "Cruz Cacua, Jhoan Sebastian"]
[Black "Torres Rosas, Cefi Jefersson"]
[Result "0-1"]
[ECO "C46"]
[PlyCount "52"]
[EventDate "2017.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[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. Nc3 Bb4 4. Bb5 Nd4 5. Nxe5 Bxc3 6. dxc3 Nxb5 7. Qf3 Nf6 8. Bg5 d6 9. Rd1 Qe7 10. c4 dxe5 11. cxb5 Bg4 12. Qd3 Bxd1 13. Qxd1 Qb4+ 14. Bd2 Qxb5 15. f3 Rd8 16. Qe2 Qxb2 17. Ba5 Qb1+ 18. Qd1 Qxd1+ 19. Kf2 Qxc2+ 20. Kg3 Qd3 21. Bxc7 Nxe4+ 22. Kg4 Nf2+ 23. Kg5 Qg6+ 24. Kh4 Rd4+ 25. g4 Rxg4+ 26. fxg4 Qxg4# 0-1

[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2017.05.24"]
[Round "1.11"]
[White "Torres Rosas, Cefi Jefersson"]
[Black "Gutierrez Guevara, Gustavo Gavin"]
[Result "1-0"]
[ECO "C22"]
[PlyCount "82"]
[EventDate "2017.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Bg5 Be7 6. Bd3 Nxe4 7. Bxe4 Bxg5 8. Nf3 Bf6 9. c3 Qe7 10. 0-0 0-0 11. Qd3 g6 12. Re1 Ne5 13. Nxe5 Bxe5 14. Nd2 d6 15. Nf3 c6 16. Qe3 Bg4 17. Ng5 h6 18. Nf3 Bxf3 19. Bxf3 Qh4 20. g3 Qg5 21. Qe4 h5 22. Bg2 Rfe8 23. Qb4 Re7 24. f4 c5 25. Qc4 Bxf4 26. gxf4 Rxe1+ 27. Rxe1 Qg4 28. Re3 h4 29. h3 Qd1+ 30. Kh2 Qc2 31. Re2 Qf5 32. Bxb7 Kh7 33. a3 Rf8 34. Bf3 g5 35. Bg4 Qf6 36. fxg5 Qxg5 37. Rg2 Qe5+ 38. Kh1 Qe1+ 39. Rg1 Qf2 40. Qd5 Rg8 41. Qxd6 f5 1-0

[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2017.05.24"]
[Round "3.9"]
[White "Torres Rosas, Cefi Jefersson"]
[Black "Lopez Ospino, Daimier Jose"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "30"]
[EventDate "2017.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e5 3. Nf3 Nc6 4. d3 h6 5. a3 Nf6 6. c3 d6 7. b4 a6 8. b5 axb5 9. Bxb5 Be7 10. Nbd2 Qb6 11. Bxc6+ bxc6 12. c4 0-0 13. Bb2 Bg4 14. h3 Bxf3 15. Qxf3 Rab8 0-1

