[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.06"]
[Round "6"]
[White "Hernandez Agamez, Hugo"]
[Black "Arias, Guillermo"]
[Result "1-0"]
[ECO "C91"]
[PlyCount "35"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 0-0 7. d4 b5 8. Bb3 d6 9. c3 Bg4 10. d5 Nb8 11. Nbd2 Nfd7 12. h3 Bh5 13. Nf1 Bxf3 14. Qxf3 Bg5 15. g4 Bxc1 16. Raxc1 g6 17. Ng3 f6 18. Kg2 1-0

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.04"]
[Round "3"]
[White "Arias, Guillermo"]
[Black "Calvachi Morillo, Mario Andres"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "51"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 a6 5. Ba4 Bc5 6. Qe2 0-0 7. c3 d6 8. h3 Ne7 9. d4 exd4 10. cxd4 Bb6 11. Bg5 Nd7 12. Nc3 h6 13. Bh4 Qe8 14. Bxe7 Qxe7 15. Nd5 Qd8 16. Bc2 Ba7 17. Qd3 c6 18. e5 g6 19. Nf4 Re8 20. Nxg6 fxg6 21. Qxg6+ Kf8 22. Qxh6+ Kg8 23. Bh7+ Kf7 24. Ng5+ Qxg5 25. Qxg5 Re6 26. Bg8+ 1-0

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.04"]
[Round "4"]
[White "Rubio Junguito, Andres"]
[Black "Arias, Guillermo"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2062"]
[PlyCount "85"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d3 Nf6 5. c3 0-0 6. Qe2 d6 7. h3 Na5 8. Bb3 c5 9. Bc2 Nc6 10. 0-0 Re8 11. Nh2 d5 12. Bg5 h6 13. Bh4 g5 14. Bg3 d4 15. Nd2 Bf8 16. h4 g4 17. f4 Nh5 18. Qf2 Nxg3 19. Qxg3 h5 20. Qf2 Bh6 21. g3 Ne7 22. Kh1 exf4 23. gxf4 f5 24. cxd4 cxd4 25. Bb3+ Kg7 26. Nhf3 Ng6 27. Ng5 Bxg5 28. hxg5 h4 29. Bd5 Qb6 30. Nc4 Qc5 31. b4 g3 32. bxc5 gxf2 33. Nd6 Re7 34. exf5 Re3 35. fxg6 Kxg6 36. Rxf2 Rg3 37. Bf7+ Kg7 38. Re1 Bg4 39. f5 Bf3+ 40. Kh2 Bc6 41. f6+ Kh8 42. g6 Rxd3 43. Re5 1-0

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.03"]
[Round "1"]
[White "Arias, Guillermo"]
[Black "Ruiz Aguilar, Pablo Alexander"]
[Result "0-1"]
[ECO "B28"]
[BlackElo "2306"]
[PlyCount "100"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bg5 h6 8. Bxf6 Qxf6 9. g3 0-0 10. Bg2 d6 11. 0-0 Bxc3 12. bxc3 Nc6 13. Qd2 Rd8 14. Rad1 Bg4 15. f3 Be6 16. f4 exf4 17. gxf4 Rac8 18. Qe3 Ne7 19. Rd4 d5 20. f5 Bd7 21. Rfd1 Re8 22. Qg3 Bc6 23. Nd2 dxe4 24. Nxe4 Bxe4 25. Bxe4 Nxf5 26. Bxf5 Qxf5 27. R4d3 Rc6 28. Qf2 Qg4+ 29. Qg3 Qe4 30. Qf2 Rxc3 31. Rf1 Qg6+ 32. Kh1 Rxd3 33. cxd3 Rd8 34. Qf3 b5 35. Rd1 Qe6 36. Qf2 Qd5+ 37. Kg1 Rd6 38. h3 Rf6 39. Qe2 Qg5+ 40. Kh1 Qd5+ 41. Kh2 Re6 42. Qf2 Qd6+ 43. Kh1 Qc6+ 44. Kh2 Qc7+ 45. Kh1 Qe7 46. Rd2 Re1+ 47. Kg2 Qb7+ 48. Kg3 Qh1 49. d4 Rg1+ 50. Kf4 Rf1 0-1

[Event "Bogota IRT op"]
[Site "Bogota"]
[Date "2009.05.01"]
[Round "3"]
[White "Arias, Guillermo"]
[Black "Ospina Loaiza, Jhonny"]
[Result "0-1"]
[ECO "B28"]
[BlackElo "2058"]
[PlyCount "68"]
[EventDate "2009.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Nc3 Bb4 7. Qd3 Nc6 8. Bg5 Qa5 9. Bxf6 gxf6 10. Nd2 Bxc3 11. bxc3 b5 12. Nb3 Qa3 13. Be2 Rg8 14. 0-0 d6 15. Rfd1 Ke7 16. c4 bxc4 17. Qd5 Bb7 18. Bxc4 Nd8 19. Qd3 Ne6 20. Bxe6 fxe6 21. c4 f5 22. c5 Bxe4 23. Qxd6+ Kf6 24. g3 Qa4 25. Re1 Rgd8 26. Qb6 Rab8 27. Qc7 Rbc8 28. Qxh7 Rh8 29. Qa7 Rxh2 30. f3 Bxf3 31. Kxh2 Rh8+ 32. Kg1 Rh1+ 33. Kf2 Rh2+ 34. Kg1 Rg2+ 0-1

[Event "Bogota IRT op"]
[Site "Bogota"]
[Date "2009.04.30"]
[Round "2"]
[White "Castano, Duvan Martin"]
[Black "Arias, Guillermo"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2265"]
[PlyCount "57"]
[EventDate "2009.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. d5 Nb8 6. Bd3 Nf6 7. c4 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. Nc3 a5 11. Be3 b6 12. Bc2 0-0 13. 0-0 Ne8 14. a3 Bg5 15. b4 Bxe3 16. Qxe3 g6 17. f3 Ng7 18. g4 g5 19. Ba4 h6 20. Bc6 Rb8 21. h4 f6 22. Kg2 Rf7 23. Rh1 Nf8 24. hxg5 Ng6 25. gxh6 Nf4+ 26. Kf2 Ne8 27. h7+ Kh8 28. Ne2 Ng6 29. Qh6 1-0

