[Event "COL-ch Antioquia Profesionals"]
[Site "Antioquia"]
[Date "2012.??.??"]
[Round "4.4"]
[White "Bustamante, Roberto"]
[Black "Calvache, Juan Guillermo"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1904"]
[BlackElo "1612"]
[PlyCount "59"]
[EventDate "2012.09.11"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 b6 3. Bg2 Bb7 4. c4 Nf6 5. 0-0 e6 6. Nc3 Bd6 7. d3 0-0 8. Bg5 h6 9. Bd2 Nbd7 10. Nh4 c6 11. f4 Ng4 12. e3 f5 13. Bf3 g5 14. Ng2 Ngf6 15. fxg5 hxg5 16. cxd5 cxd5 17. d4 Ba6 18. Be2 Bxe2 19. Qxe2 a6 20. Ne1 Qe7 21. Nf3 Qg7 22. Kg2 b5 23. a3 Nb6 24. b3 Rac8 25. Rfc1 Qh6 26. a4 bxa4 27. Nxa4 Rxc1 28. Rxc1 Nxa4 29. bxa4 Ne4 30. Ne5 1/2-1/2

[Event "COL-ch Antioquia Profesionals"]
[Site "Antioquia"]
[Date "2012.??.??"]
[Round "1.11"]
[White "Calvache, Juan Guillermo"]
[Black "Salcedo, Gustavo"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1612"]
[PlyCount "24"]
[EventDate "2012.09.11"]
[EventType "tourn"]
[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. Nf3 Nc6 3. c4 e6 4. Nc3 a5 5. e4 dxe4 6. Ne5 Bb4 7. a3 Bd6 8. c5 Bxe5 9. dxe5 Nxe5 10. Nb5 Qd5 11. Nxc7+ Kd7 12. Nxd5 exd5 1-0

[Event "COL-ch Antioquia Profesionals"]
[Site "Antioquia"]
[Date "2012.??.??"]
[Round "2.4"]
[White "Ossa, Vladimir"]
[Black "Calvache, Juan Guillermo"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1963"]
[BlackElo "1612"]
[PlyCount "43"]
[EventDate "2012.09.11"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. g3 Nc6 3. Bg2 e6 4. Ne2 g6 5. c3 Bg7 6. 0-0 Nge7 7. d4 cxd4 8. cxd4 Qb6 9. d5 exd5 10. exd5 Ne5 11. Nbc3 d6 12. Be3 Qxb2 13. Rb1 Qa3 14. Nb5 Qxa2 15. Nc7+ Kd8 16. Nxa8 Bf5 17. Rxb7 Bc2 18. Qd2 Nd3 19. Rxa7 Qb2 20. Qa5+ Ke8 21. Nc7+ Kd7 22. Ne6+ 1-0

