[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2018.05.11"]
[Round "3.9"]
[White "Roa Jula, Heimer Edilson"]
[Black "Herrera Alvarez, Cristian Alexander"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "77"]
[EventDate "2018.05.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. e3 e6 4. Bd3 d5 5. Nf3 Bg7 6. Nc3 0-0 7. 0-0 Nbd7 8. Bd2 c5 9. Rc1 a6 10. Na4 dxc4 11. Be2 cxd4 12. Nxd4 b5 13. Nc3 Bb7 14. a3 Nc5 15. Qc2 Nfe4 16. Nxe4 Bxe4 17. Qd1 Bxd4 18. exd4 Qxd4 19. Bb4 Nb3 20. Bxf8 Nxc1 21. Qxc1 Kxf8 22. Rd1 Bd3 23. Bf3 Rd8 24. h3 e5 25. Bb7 Rd6 26. Rd2 e4 27. Qe1 f5 28. g4 Ke7 29. Bc8 Qc5 30. Bb7 Kd8 31. Rd1 Qa7 32. Qb4 Kc7 33. Bc8 e3 34. Rxd3 cxd3 35. Qc3+ Rc6 36. Qg7+ Kb8 37. Bd7 exf2+ 38. Kf1 Rc1+ 39. Kg2 0-1

[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2018.05.10"]
[Round "2.11"]
[White "Herrera Alvarez, Cristian Alexander"]
[Black "Tarazona Pita, Duvan Alfonso"]
[Result "1-0"]
[ECO "B08"]
[BlackElo "1729"]
[PlyCount "71"]
[EventDate "2018.05.10"]
[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 d6 2. d4 g6 3. Nf3 Bg7 4. h3 Nf6 5. Nc3 Nbd7 6. e5 dxe5 7. dxe5 Ng8 8. Bf4 e6 9. Ne4 Ne7 10. Bg5 0-0 11. Nf6+ Kh8 12. Qd4 Bxf6 13. Bxf6+ Nxf6 14. exf6 Nd5 15. 0-0-0 Qxf6 16. Qxf6+ Nxf6 17. g4 b6 18. Nd4 c5 19. Bg2 Nd5 20. Ne2 c4 21. Bxd5 exd5 22. Nf4 Bb7 23. Nxd5 Rad8 24. Rd4 Rxd5 25. Rxc4 Ra5 26. Re1 Rxa2 27. Rc7 Rd8 28. Kb1 Bd5 29. c4 Bxc4 30. Rxc4 Ra5 31. Re7 f6 32. Rcc7 h5 33. Rh7+ Kg8 34. Rcg7+ Kf8 35. Rxg6 Ke8 36. Rg8# 1-0

[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2017.05.24"]
[Round "5.3"]
[White "Herrera Alvarez, Cristian Alexander"]
[Black "Ojeda Rodriguez, Richard Jesus"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "10"]
[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 g6 2. d4 Bg7 3. c3 c5 4. Qa4 b5 5. Nd2 bxa4 0-1

[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2017.05.24"]
[Round "1.12"]
[White "Herrera Alvarez, Cristian Alexander"]
[Black "Usuga Arias, Luis Angel"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "45"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. 0-0 0-0 6. d3 a6 7. Bxc6 bxc6 8. Nxe5 Bb7 9. Be3 Qe7 10. Bxc5 Qxc5 11. Ng4 Nxg4 12. Qxg4 d5 13. exd5 cxd5 14. d4 Qd6 15. Rfe1 Rae8 16. Re3 Bc8 17. Qg5 h6 18. Qxd5 Qg6 19. Rc1 Rd8 20. Qe5 Bb7 21. Rg3 Qh7 22. Re1 Rde8 23. Qxe8 1-0

[Event "Santander North Region-ch"]
[Site "Cucuta"]
[Date "2017.05.24"]
[Round "2.7"]
[White "Rosas Arias, Juan David"]
[Black "Herrera Alvarez, Cristian Alexander"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "9"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 1-0

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.09.02"]
[Round "5.10"]
[White "Cajamarca Alvarado, Sergio Armando"]
[Black "Herrera Alvarez, Cristian Alexander"]
[Result "0-1"]
[ECO "C21"]
[WhiteElo "1570"]
[PlyCount "28"]
[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 e5 2. c3 Nc6 3. d4 exd4 4. cxd4 d5 5. e5 Bb4+ 6. Nc3 Qh4 7. Nf3 Qe4+ 8. Be3 Bg4 9. Bd3 Bxf3 10. Bxe4 Bxd1 11. Bxd5 Bg4 12. Bxc6+ bxc6 13. 0-0 Bxc3 14. bxc3 Be6 0-1

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.08.31"]
[Round "2.12"]
[White "Herrera Alvarez, Cristian Alexander"]
[Black "Castillo, Julian Felipe"]
[Result "1-0"]
[ECO "B29"]
[BlackElo "1498"]
[PlyCount "75"]
[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. Nc3 Nf6 4. e5 Nd5 5. Nxd5 exd5 6. d4 Nc6 7. Bb5 a6 8. Bxc6 dxc6 9. c3 cxd4 10. cxd4 Bg4 11. 0-0 Be7 12. Qb3 Rb8 13. Bd2 0-0 14. Rfe1 f6 15. Re3 fxe5 16. dxe5 Bxf3 17. Rxf3 Rxf3 18. Qxf3 Bg5 19. Bxg5 Qxg5 20. Re1 Rf8 21. Qe3 Qxe3 22. Rxe3 Kf7 23. f4 Ke6 24. g3 g6 25. Kf2 d4 26. Rb3 g5 27. Kf3 h5 28. Ke4 gxf4 29. gxf4 Rg8 30. Rxb7 Rf8 31. Rh7 d3 32. Rh6+ Ke7 33. Rd6 Rf6 34. Rxd3 Rg6 35. Rg3 Rh6 36. Kf5 Kf7 37. Rd3 Ke7 38. Kg5 1-0

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.08.31"]
[Round "1.9"]
[White "Silva Torres, Jorge J"]
[Black "Herrera Alvarez, Cristian Alexander"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "1788"]
[PlyCount "67"]
[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. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 d5 6. 0-0 Be7 7. Nc3 c5 8. dxc5 bxc5 9. Qb3 Qb6 10. Qxb6 axb6 11. Nb5 Kd8 12. Bf4 Ba6 13. Ne5 Rf8 14. Rfd1 Bxb5 15. cxb5 Nbd7 16. Nc6+ Ke8 17. e4 d4 18. Bf3 h6 19. h4 Rg8 20. h5 g5 21. hxg6 fxg6 22. e5 Nh7 23. Nxd4 Ra4 24. Nxe6 Bd8 25. Bc6 Ra7 26. Rxd7 Rxd7 27. Rd1 Nf8 28. Nxf8 Rxf8 29. Rxd7 Rf7 30. Rb7+ Kf8 31. Bxh6+ Kg8 32. Bd5 Kh7 33. Rxf7+ Kxh6 34. f4 1-0

