[Event "Paipa Intercol Nacional B"]
[Site "Paipa"]
[Date "2009.08.14"]
[Round "5.1"]
[White "Potosi, Harold Yesid"]
[Black "Imbachi, Victor Alejandro"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "88"]
[EventDate "2009.08.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. Nd5 c6 5. Nc3 d5 6. exd5 cxd5 7. Bb3 0-0 8. d3 h6 9. h3 Re8 10. Nge2 Nc6 11. 0-0 Bf5 12. Ba4 Qc7 13. Ng3 Bg6 14. Qf3 e4 15. dxe4 dxe4 16. Qd1 Qxg3 17. Be3 Bxe3 18. fxe3 Qxe3+ 19. Kh1 Nh5 20. Kh2 Qg3+ 21. Kh1 Nf4 22. Qg4 Qxg4 23. hxg4 Ne6 24. Rae1 Nc5 25. Bb3 Nxb3 26. axb3 Rad8 27. Re3 Rd2 28. Rfe1 Rxc2 29. Nd5 Rxb2 30. Rd1 Ne5 31. g5 Ng4 32. Kg1 Nxe3 33. Nxe3 Rxb3 34. Kf2 Rd3 35. g4 Rxd1 36. Nxd1 hxg5 37. Ke3 Rd8 38. Nf2 a5 39. Nxe4 Re8 40. Kd3 Rxe4 41. Kc3 Rxg4 42. Kb3 b5 43. Kb2 Rg3 44. Kc1 Rg2 0-1

[Event "Paipa Intercol Nacional B"]
[Site "Paipa"]
[Date "2009.08.13"]
[Round "4.1"]
[White "Alvarez Ortiz, Jhon Edison"]
[Black "Potosi, Harold Yesid"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "27"]
[EventDate "2009.08.08"]
[EventType "swiss"]
[EventRounds "5"]
[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. d4 d6 4. d5 Nce7 5. Bd3 g6 6. 0-0 Bg7 7. c4 c5 8. Nc3 Nf6 9. h3 0-0 10. Nh2 b6 11. f4 exf4 12. Bxf4 Nh5 13. Be3 Qc7 14. g4 1-0

[Event "Paipa Intercol Nacional B"]
[Site "Paipa"]
[Date "2009.08.12"]
[Round "3.1"]
[White "Potosi, Harold Yesid"]
[Black "Sandoval, Cesar Leonardo"]
[Result "0-1"]
[ECO "E01"]
[PlyCount "88"]
[EventDate "2009.08.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 d5 4. Nf3 Be7 5. g3 Nbd7 6. Bg2 c6 7. 0-0 dxc4 8. Qc2 Nb6 9. Rb1 0-0 10. Rd1 Nbd5 11. e4 Nb4 12. Qe2 b5 13. a3 Nd3 14. b3 Nxc1 15. Rdxc1 Bxa3 16. Rd1 b4 17. Na4 c3 18. Ra1 Qe7 19. e5 Nd5 20. Nh4 a5 21. Bxd5 cxd5 22. Nc5 Bd7 23. Nxd7 Qxd7 24. Nf3 Rfc8 25. Qc2 a4 26. Rab1 axb3 27. Rxb3 Bb2 28. Rxb4 Rcb8 29. Rxb8+ Rxb8 30. Ng5 g6 31. h4 Qb5 32. Kg2 Qb3 33. Rd2 cxd2 34. Qxd2 Qb4 35. Qf4 Qe7 36. g4 Rc8 37. h5 Bc1 38. Qh2 Qxg5 39. Kg3 Bf4+ 40. Kg2 Qxg4+ 41. Qg3 Bxg3 42. fxg3 Rc2+ 43. Kg1 Qxg3+ 44. Kh1 Rc1# 0-1

[Event "Paipa Intercol Nacional B"]
[Site "Paipa"]
[Date "2009.08.10"]
[Round "1.1"]
[White "Angulo, Pablo David"]
[Black "Potosi, Harold Yesid"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "33"]
[EventDate "2009.08.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d3 f6 7. Ne4 Bb4+ 8. c3 Ba5 9. f4 exf4 10. Qh5+ Kf8 11. Bxd5 Ne5 12. Bc4 c6 13. d4 g6 14. Qh6+ Ke8 15. dxe5 f5 16. Nf6+ Ke7 17. Qg7# 1-0

