[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.19"]
[Round "5"]
[White "Gomez, Nicolas de Jesus"]
[Black "Rojas Martinez, Alexander"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1678"]
[PlyCount "45"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 a6 5. Be2 b5 6. 0-0 Qb6 7. Kh1 Bb7 8. d3 Bd6 9. Qe1 Nd4 10. Bd1 Ne7 11. Qh4 f6 12. Qg3 g6 13. Qh4 Ng8 14. Ne2 Nxf3 15. Rxf3 Be7 16. Qh3 d5 17. Ng3 f5 18. exf5 d4 19. fxg6 0-0-0 20. g7 Nf6 21. gxh8Q Rxh8 22. Rf1 Qc6 23. Bf3 1-0

[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.19"]
[Round "6"]
[White "Rojas Martinez, Alexander"]
[Black "Ruales, Nicolas"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1217"]
[PlyCount "44"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. c3 Nf6 4. Qb3 Qc8 5. e3 Nbd7 6. Nd2 e6 7. Ngf3 Be7 8. h3 h6 9. Rc1 0-0 10. Be2 c5 11. c4 b6 12. cxd5 exd5 13. Qa4 a6 14. b4 b5 15. Qd1 c4 16. Nb3 Bxb4+ 17. Nfd2 Qb7 18. 0-0 cxb3 19. Qxb3 Bxd2 20. Rc7 Qb6 21. g4 Bg6 22. Bf3 Rfc8 0-1

[Event "COL-ch"]
[Site "Boyaca"]
[Date "2022.08.18"]
[Round "4"]
[White "Rojas Martinez, Alexander"]
[Black "Perez, William"]
[Result "1/2-1/2"]
[ECO "D00"]
[BlackElo "1973"]
[PlyCount "59"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 cxd4 5. cxd4 Qb6 6. Qb3 Qxb3 7. axb3 Nc6 8. Bb5 Bd7 9. Nf3 e6 10. h3 Ne4 11. Nc3 Bb4 12. Rc1 Rc8 13. 0-0 f5 14. Nxe4 fxe4 15. Bxc6 Bxc6 16. Ne5 Bd7 17. Rxc8+ Bxc8 18. Rc1 0-0 19. Rc7 Bd6 20. Rc2 Bb4 21. Rc7 Ba5 22. Rc5 Bb6 23. Rc3 a6 24. b4 Re8 25. Bg5 Ba7 26. Be7 Bb6 27. Bd6 Ba7 28. Be7 g6 29. Bd6 Kg7 30. Bc7 1/2-1/2

