[Event "Pan American-ch Amateur"]
[Site "Cali"]
[Date "2010.11.??"]
[Round "3"]
[White "Mayorga, Nelson"]
[Black "Cedeno, Romulo"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "41"]
[EventDate "2010.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. Bc4 e6 5. 0-0 Bd6 6. d4 Nc6 7. Bd2 Nce7 8. Nc3 a6 9. Re1 0-0 10. Ne4 b5 11. Nxd6 cxd6 12. Bd3 Ng6 13. c3 Re8 14. a4 Bd7 15. axb5 axb5 16. Qb3 Rb8 17. Ra7 Qb6 18. Rea1 Nc7 19. d5 Nxd5 20. Rxd7 Nc7 21. Qb4 1-0

[Event "Pan American-ch Amateur"]
[Site "Cali"]
[Date "2010.11.??"]
[Round "4"]
[White "Parra Meza, Brayan"]
[Black "Mayorga, Nelson"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1826"]
[PlyCount "67"]
[EventDate "2010.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. 0-0 Nc6 7. Nc3 Qb6 8. Bb5 a6 9. Bxc6+ Qxc6 10. Ne2 Bg4 11. h3 Bxf3 12. gxf3 Ne7 13. Kh2 Nf5 14. c3 Be7 15. Rg1 g6 16. Ng3 0-0-0 17. Be3 c4 18. b3 Nh4 19. Rb1 f6 20. f4 Rhf8 21. bxc4 dxc4 22. d5 Rxd5 23. Rb6 Qd7 24. Qe2 fxe5 25. Qxc4+ Kb8 26. Rgb1 Rb5 27. R1xb5 axb5 28. Rxb5 Rc8 29. Qb3 Rxc3 30. Ba7+ Kxa7 31. Ra5+ Kb8 32. Qxc3 exf4 33. Ne4 f3 34. Qe5+ 1-0

[Event "Pan American-ch Amateur"]
[Site "Cali"]
[Date "2010.11.??"]
[Round "2"]
[White "Perez, Laura"]
[Black "Mayorga, Nelson"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1869"]
[PlyCount "37"]
[EventDate "2010.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. Bf4 Bd6 4. Ne5 Nf6 5. e3 0-0 6. Bd3 Nbd7 7. Nd2 Re8 8. c3 Nf8 9. Bg3 N6d7 10. Qh5 Qe7 11. f4 f6 12. Ng4 e5 13. fxe5 fxe5 14. 0-0 c6 15. dxe5 Bc7 16. Bh4 g6 17. Qh6 Qg7 18. Bf6 Qf7 19. Qh4 1-0

[Event "Bogota Mila Memorial op"]
[Site "Bogota"]
[Date "2009.04.??"]
[Round "1"]
[White "Mayorga, Nelson"]
[Black "Montenegro, Rolando"]
[Result "0-1"]
[ECO "A84"]
[BlackElo "2128"]
[PlyCount "82"]
[EventDate "2009.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nd7 5. Nf3 Bd6 6. Bd3 f5 7. Bd2 Ngf6 8. Qc2 0-0 9. cxd5 cxd5 10. Rc1 a6 11. 0-0 Ne4 12. Rfe1 g5 13. Rf1 g4 14. Ne1 Qh4 15. f4 gxf3 16. Nxf3 Qh6 17. Ne2 Ndf6 18. Nf4 Ng4 19. h3 Nxe3 20. Bxe3 Bxf4 21. Bxf4 Qxf4 22. Rce1 Qd6 23. Ne5 Qb4 24. Nf3 Bd7 25. Bxe4 dxe4 26. Qd2 Qxd2 27. Nxd2 Bb5 28. Rf4 Rac8 29. Nf1 Rc2 30. Rf2 Rxf2 31. Kxf2 Bxf1 32. Kxf1 Rc8 33. Re2 Rd8 34. Rd2 Rd5 35. Rc2 Rxd4 36. Rc8+ Kg7 37. Rc7+ Kf6 38. Rxb7 Rd2 39. a4 e3 40. b4 Rf2+ 41. Kg1 Rf4 0-1

