[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2017.05.24"]
[Round "1.4"]
[White "Perez Lozano, Breiner Camilo"]
[Black "Rivera Perez, Omar Alejandro"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1500"]
[PlyCount "21"]
[EventDate "2017.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. h3 d5 4. a3 Be7 5. Bf4 a6 6. Nf3 Nbd7 7. e3 b5 8. b4 Bb7 9. Bd3 0-0 10. Ne2 Ne5 11. Bxe5 0-1

[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2017.05.24"]
[Round "3.13"]
[White "Zarate Chanaga, Andres Alberto"]
[Black "Rivera Perez, Omar Alejandro"]
[Result "0-1"]
[ECO "B98"]
[PlyCount "63"]
[EventDate "2017.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. Nc3 Nf6 5. d4 cxd4 6. Nxd4 a6 7. Bg5 Be7 8. f4 Nbd7 9. Qe2 Qb6 10. 0-0-0 h6 11. Bh4 e5 12. fxe5 Nxe5 13. h3 Qc5 14. Bb3 b5 15. Bxf6 Bxf6 16. Rhf1 Nc4 17. Qf3 0-0 18. Nce2 Be6 19. Qg3 Be5 20. Nxe6 fxe6 21. Rxf8+ Rxf8 22. Qg6 Qe3+ 23. Kb1 Qxe2 24. Qxe6+ Kh8 25. Qg4 Qxg4 26. hxg4 Rf2 27. Bxc4 bxc4 28. g5 hxg5 29. Rh1+ Kg8 30. g4 Rg2 31. Rd1 Rxg4 32. Rd5 0-1

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.09.01"]
[Round "4.5"]
[White "Pena Escobar, Cristian Camilo"]
[Black "Rivera Perez, Omar Alejandro"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1885"]
[BlackElo "1599"]
[PlyCount "78"]
[EventDate "2016.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Qc7 8. Qd2 Be7 9. g4 b5 10. g5 Nfd7 11. 0-0-0 Bb7 12. Kb1 Nc6 13. Bh3 Nde5 14. Qf2 Nc4 15. Bc1 Nxd4 16. Qxd4 0-0 17. Ne2 Rac8 18. c3 d5 19. exd5 Bxd5 20. Qf2 Qb7 21. Rhf1 Bc5 22. Nd4 b4 23. cxb4 Qxb4 24. Ka1 Rb8 25. Qe1 Qb6 26. Nb3 Be3 27. Rd3 Bxc1 28. Qxc1 a5 29. Qc2 a4 30. Nd4 Qxb2+ 31. Qxb2 Rxb2 32. f4 Rfb8 33. Rc1 Rxh2 34. Rdc3 Rbb2 35. Nc2 a3 36. Bf1 Nd6 37. Nb4 g6 38. R3c2 Rhxc2 39. Rxc2 Rxb4 0-1

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.09.01"]
[Round "3.4"]
[White "Rivera Perez, Omar Alejandro"]
[Black "Gelvez Chaparro, Jorge Enrique"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1599"]
[BlackElo "1802"]
[PlyCount "48"]
[EventDate "2016.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. Nxc6 bxc6 11. exd5 Nxd5 12. Nxd5 cxd5 13. Qxd5 Qc7 14. Qc5 Qb7 15. c3 Rb8 16. b3 Bf5 17. Bc4 Rfc8 18. Qa5 Rxc4 19. Rd8+ Rxd8 20. Qxd8+ Bf8 21. bxc4 Qb1+ 22. Kd2 Qxh1 23. Bh6 Qxg2+ 24. Ke3 Qg1+ 0-1

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.08.31"]
[Round "1.13"]
[White "Rivera Perez, Omar Alejandro"]
[Black "Perez Ochoa, Edwin Leonardo"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1599"]
[PlyCount "37"]
[EventDate "2016.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nf6 7. Be3 g6 8. f3 Bg7 9. Qd2 b5 10. 0-0-0 Nc6 11. Nxc6 dxc6 12. Bc5 Ng8 13. Kb1 Ne7 14. h4 0-0 15. h5 Bb7 16. Qd7 Qe5 17. Bxe7 Rfb8 18. hxg6 hxg6 19. Bd6 1-0

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.08.31"]
[Round "2.4"]
[White "Sepulveda, Leidon Leonardo"]
[Black "Rivera Perez, Omar Alejandro"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1920"]
[BlackElo "1599"]
[PlyCount "97"]
[EventDate "2016.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Nc6 7. Be3 e5 8. Nb3 b5 9. a4 b4 10. Nd5 Nxd5 11. Qxd5 Qc7 12. 0-0 Be6 13. Qd2 a5 14. Bb5 Be7 15. Rac1 0-0 16. Rfd1 Na7 17. Bf1 Nc8 18. f4 f6 19. f5 Bf7 20. Qf2 g5 21. h4 h6 22. hxg5 hxg5 23. Rd3 Kg7 24. Nd2 Rh8 25. Be2 Rb8 26. Rf1 Rh6 27. Bd1 Nb6 28. b3 Nd7 29. Nf3 Rbh8 30. Qd2 Nc5 31. Bxc5 Qxc5+ 32. Qe3 Qxe3+ 33. Rxe3 d5 34. Kf2 Bc5 35. Be2 dxe4 36. Nd2 Bxe3+ 37. Kxe3 Rc8 38. Bc4 Rh4 39. Rf2 Rg4 40. Bxf7 Rc3+ 41. Ke2 Kxf7 42. Nc4 Rxc2+ 43. Kf1 Rc1+ 44. Ke2 Rf4 45. Rxf4 exf4 46. Nd6+ Ke7 47. Nxe4 Rc2+ 48. Nd2 Kd6 49. Kd3 0-1

[Event "Medellin Juegos Nales-B 31st"]
[Site "Medellin"]
[Date "2010.10.10"]
[Round "4.1"]
[White "Quesada Cordoba, Yanier Yased"]
[Black "Rivera Perez, Omar Alejandro"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "62"]
[EventDate "2010.10.10"]
[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. g3 Nf6 3. d3 Bc5 4. h3 Nc6 5. Bg2 d6 6. a3 0-0 7. Nf3 Nd4 8. Nxd4 Bxd4 9. c3 Bb6 10. Bg5 h6 11. Bxf6 Qxf6 12. Qf3 Qg5 13. Nd2 f5 14. h4 Qg6 15. 0-0 f4 16. Kh1 Bg4 17. Kh2 Bxf3 18. Nxf3 fxg3+ 19. fxg3 Rf6 20. d4 exd4 21. Nxd4 Bxd4 22. cxd4 Raf8 23. Rxf6 Rxf6 24. e5 dxe5 25. dxe5 Rf2 26. Re1 Qc6 27. Rg1 Rxb2 28. Kh1 Qc3 29. Bd5+ Kh8 30. e6 Qe5 31. Bf3 Qxe6 0-1

[Event "Medellin Juegos Nales-B 31st"]
[Site "Medellin"]
[Date "2010.10.10"]
[Round "1.1"]
[White "Rivera Perez, Omar Alejandro"]
[Black "Narvaez Melo, Zamir Alexis"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2197"]
[PlyCount "36"]
[EventDate "2010.10.10"]
[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 c5 2. Nf3 Nc6 3. Bb5 e6 4. d4 Qb6 5. Bxc6 bxc6 6. Nc3 Ba6 7. b3 cxd4 8. Nxd4 Bb4 9. Bb2 Nf6 10. f3 d5 11. e5 Nd7 12. a3 Bxc3+ 13. Bxc3 Nxe5 14. Qd2 c5 15. Ne2 d4 16. Bb2 0-0 17. 0-0-0 Rab8 18. Nf4 Nc4 0-1

[Event "Medellin Juegos Nales-B 31st"]
[Site "Medellin"]
[Date "2010.10.10"]
[Round "5.1"]
[White "Rivera Perez, Omar Alejandro"]
[Black "Ortega, Daniel"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "52"]
[EventDate "2010.10.10"]
[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. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 d6 6. d3 Bg4 7. Be3 Nd4 8. Bxd4 Bxd4 9. h3 Bh5 10. Qe2 Bxf3 11. Qxf3 0-0 12. Nd5 Nxd5 13. Bxd5 c6 14. c3 Bxc3 15. bxc3 cxd5 16. exd5 Rc8 17. c4 f5 18. Rab1 b6 19. Qe2 f4 20. f3 Qe7 21. Rfd1 Rf6 22. Kh1 Rh6 23. Rb2 g5 24. Re1 Rg6 25. Qe4 Kg7 26. d4 Rxc4 0-1

[Event "Medellin Juegos Nales-B 31st"]
[Site "Medellin"]
[Date "2010.10.10"]
[Round "3.1"]
[White "Rivera Perez, Omar Alejandro"]
[Black "Padilla, Ivo"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "41"]
[EventDate "2010.10.10"]
[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 e6 2. Nf3 d5 3. Nc3 Nf6 4. d3 dxe4 5. dxe4 Qxd1+ 6. Kxd1 Bb4 7. Bd2 Bxc3 8. Bxc3 Nbd7 9. Bd3 b6 10. Re1 Bb7 11. Ne5 Nxe5 12. Bxe5 0-0-0 13. f3 Rhg8 14. Ke2 Nh5 15. g3 f6 16. Bc3 e5 17. Kf2 g5 18. h3 Ng7 19. Bc4 Rh8 20. Rad1 Ne8 21. Be6+ 1-0

[Event "Paipa Intercol Nacional B"]
[Site "Paipa"]
[Date "2009.08.14"]
[Round "5.1"]
[White "Rivera Perez, Omar Alejandro"]
[Black "Montero, Sergio Andres"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "107"]
[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 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be3 c6 7. Qd2 0-0 8. f3 Re8 9. 0-0-0 Bf8 10. Kb1 Nbd7 11. Nf5 d5 12. exd5 Nb6 13. Bxb6 axb6 14. Ne3 Bc5 15. Nc4 b5 16. dxc6 Qxd2 17. Nxd2 bxc6 18. Nde4 Be7 19. Bd3 Be6 20. Ng5 Bd7 21. Rhe1 h6 22. Nge4 Be6 23. b3 Bb4 24. Re2 Rad8 25. Nxf6+ gxf6 26. Ne4 Kg7 27. Ng3 Rd5 28. Nf5+ Kf8 29. Nxh6 f5 30. g4 c5 31. Rf1 fxg4 32. fxg4 Rg5 33. Bxb5 Re7 34. Nf5 Rc7 35. Nd6 Kg8 36. h3 c4 37. Bxc4 Bxd6 38. Bxe6 fxe6 39. Rxe6 Bf8 40. Re8 Rf7 41. Rxf7 Kxf7 42. Re4 Bg7 43. c4 Bc3 44. Kc2 Bb4 45. Kb2 Ra5 46. h4 Kf6 47. Rf4+ Kg6 48. h5+ Kh6 49. c5 Rxc5 50. Rxb4 Rc6 51. Rc4 Ra6 52. a4 Ra7 53. Ka3 Rb7 54. a5 1-0

[Event "Paipa Intercol Nacional B"]
[Site "Paipa"]
[Date "2009.08.13"]
[Round "4.1"]
[White "Rivera Perez, Omar Alejandro"]
[Black "Bayona Ordonez, Andres David"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "67"]
[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 exd4 4. Nxd4 Qh4 5. Nc3 Bb4 6. Qd3 Bxc3+ 7. bxc3 Qe7 8. Be3 Nf6 9. f4 Nxd4 10. cxd4 d6 11. g3 b6 12. Bg2 Bb7 13. 0-0 0-0 14. Qd2 Bc6 15. d5 Bb7 16. Bd4 Nd7 17. Qc3 Nf6 18. Bxf6 gxf6 19. Rad1 Rad8 20. Qd3 Rfe8 21. Rfe1 Kg7 22. Rb1 Ra8 23. Rb4 Bxd5 24. a3 c5 25. Rbb1 Bc6 26. Qc3 Qd7 27. Rbd1 Rad8 28. e5 fxe5 29. fxe5 Kg8 30. Bxc6 Qxc6 31. exd6 Rxe1+ 32. Qxe1 Qd7 33. Qd2 Qa4 34. Qg5+ 1-0

[Event "Paipa Intercol Nacional B"]
[Site "Paipa"]
[Date "2009.08.11"]
[Round "2.1"]
[White "Rivera Perez, Omar Alejandro"]
[Black "Navarro, Jhon Fredy"]
[Result "1/2-1/2"]
[ECO "B41"]
[BlackElo "1636"]
[PlyCount "69"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. f3 b5 6. Nc3 Qb6 7. Be3 Bc5 8. Qd2 Bb7 9. 0-0-0 Ne7 10. Re1 d5 11. exd5 Nxd5 12. Nxd5 Bxd5 13. Nb3 Nd7 14. Bxc5 Nxc5 15. Qxd5 Nxb3+ 16. Qxb3 0-0 17. Bd3 Qf2 18. Re2 Qd4 19. Rhe1 Qf4+ 20. Kb1 Qxh2 21. Be4 Rad8 22. Qa3 Qd6 23. Qxd6 Rxd6 24. g4 Rfd8 25. Kc1 g6 26. Bb7 Rb8 27. Be4 f5 28. gxf5 exf5 29. Bd3 Rbd8 30. Re8+ Rxe8 31. Rxe8+ Kf7 32. Rc8 h5 33. Kd2 Kg7 34. Re8 Rf6 35. c4 1/2-1/2

[Event "Paipa Intercol Nacional B"]
[Site "Paipa"]
[Date "2009.08.10"]
[Round "1.1"]
[White "Suarez Duarte, Walter Camilo"]
[Black "Rivera Perez, Omar Alejandro"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1954"]
[PlyCount "45"]
[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. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d6 6. Bg5 Nbd7 7. d5 h6 8. Bh4 exd5 9. cxd5 Be7 10. Bg3 0-0 11. e4 Re8 12. Bd3 Bf8 13. 0-0 Nc5 14. Re1 a6 15. Bc2 Re7 16. Nd4 b5 17. f4 Ncd7 18. Nf5 Re8 19. e5 dxe5 20. fxe5 Nh7 21. Qd3 g6 22. e6 fxe6 23. Nxh6+ 1-0

