[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "10"]
[White "Arat, Ufuk Sezen"]
[Black "Herrera Perez, Martin Steven"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2389"]
[BlackElo "2005"]
[PlyCount "147"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[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. c4 Qc7 6. Nc3 Nf6 7. Qd3 Be7 8. f4 d6 9. Be3 Nbd7 10. Be2 h5 11. 0-0-0 b6 12. Bf3 Bb7 13. h3 h4 14. Kb1 Rc8 15. Rc1 Qb8 16. Rhd1 Qa8 17. f5 Nc5 18. Qc2 e5 19. Nb3 Ncxe4 20. Na4 Nd7 21. Nxb6 Nxb6 22. Bxb6 Nf6 23. Bxb7 Qxb7 24. c5 dxc5 25. Bxc5 0-0 26. Qe2 Rfe8 27. Bxe7 Rxe7 28. Nc5 Qb5 29. Qxb5 axb5 30. Nd3 Rce8 31. Nb4 e4 32. Nd5 Nxd5 33. Rxd5 Re5 34. Rc8 Kh7 35. Rxe8 Rxe8 36. Kc2 e3 37. Kd1 Kh6 38. Ke2 Kg5 39. Rxb5 Kf4 40. a4 Re4 41. a5 Rd4 42. a6 Rd2+ 43. Ke1 Rxg2 44. f6 g6 45. a7 Rg1+ 46. Ke2 Ra1 47. Rb7 Ra2 48. a8Q Rxa8 49. Rxf7 Rb8 50. Rh7 Rxb2+ 51. Kd3 e2 52. Re7 Kf3 53. f7 Rb8 54. Re8 Rd8+ 55. Rxd8 e1Q 56. f8Q+ Kg3 57. Qd6+ Kxh3 58. Qd7+ Kh2 59. Qd6+ Qg3+ 60. Qxg3+ hxg3 61. Rh8+ Kg1 62. Ke2 g2 63. Rh3 g5 64. Rh8 g4 65. Rh4 g3 66. Ra4 Kh2 67. Rh4+ Kg1 68. Kf3 Kf1 69. Ra4 Kg1 70. Ra1+ Kh2 71. Ra2 Kh1 72. Ra1+ Kh2 73. Ra2 Kh1 74. Rxg2 1/2-1/2

[Event "Titled Tuesday intern op 25th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "8"]
[White "Celestino, Rafael Teixeira"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "2005"]
[PlyCount "66"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[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. Be2 Nf6 7. 0-0 h5 8. h4 Be7 9. Bg5 d6 10. a4 Nbd7 11. a5 Ne5 12. Na4 Bd7 13. Nb6 Rd8 14. Bxf6 Bxf6 15. Bxh5 Bxh4 16. f4 Nc4 17. Nxd7 Qxd7 18. Qg4 Bf6 19. c3 g6 20. Bxg6 Bxd4+ 21. cxd4 fxg6 22. Qxg6+ Qf7 23. Qg3 Kd7 24. Rac1 Nxa5 25. f5 Rdg8 26. Qa3 Nc6 27. fxe6+ Qxe6 28. d5 Rxg2+ 29. Kxg2 Qxe4+ 30. Kf2 Rf8+ 31. Kg1 Qg4+ 32. Kh2 Rh8+ 33. Qh3 Rxh3# 0-1

[Event "Titled Tuesday intern op 25th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "9"]
[White "Doluhanova, Evgeniya"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2278"]
[BlackElo "2005"]
[PlyCount "112"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[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 a6 4. d4 cxd4 5. Nxd4 Qc7 6. a3 Nf6 7. Bd3 b5 8. Be3 Bb7 9. f4 h5 10. h3 b4 11. axb4 Bxb4 12. 0-0 Bxc3 13. bxc3 Bxe4 14. Bxe4 Nxe4 15. Nb5 Qc6 16. Nd4 Qxc3 17. Rf3 d5 18. f5 e5 19. Nb3 Qc6 20. Na5 Qd7 21. c4 d4 22. Bc1 Nf6 23. Bg5 Nc6 24. Nb3 Ne4 25. Bc1 f6 26. Qc2 Nd6 27. Nc5 Qc8 28. Ne6 Nxf5 29. Qxf5 Kf7 30. Ng5+ Kg8 31. Ne6 Nd8 32. Nxd8 Qxf5 33. Rxf5 Rxd8 34. Rxa6 Rc8 35. Ra4 Kf7 36. Kf2 Ke6 37. Rf3 Rc6 38. Bd2 Rhc8 39. Rb3 Rxc4 40. Rxc4 Rxc4 41. Rb6+ Kf5 42. Rb7 g5 43. Rb6 Rc2 44. Ke2 Ra2 45. g4+ hxg4 46. hxg4+ Kxg4 47. Rxf6 e4 48. Kd1 e3 49. Be1 d3 50. Rc6 Ra1+ 51. Rc1 Rxc1+ 52. Kxc1 d2+ 53. Bxd2 exd2+ 54. Kxd2 Kf3 55. Ke1 Kg2 56. Ke2 g4 0-1

[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "8"]
[White "Dyachuk, Artem"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2261"]
[BlackElo "2005"]
[PlyCount "95"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[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. c4 Qc7 6. Nc3 Nf6 7. Be2 Be7 8. 0-0 h5 9. h3 d6 10. b3 b5 11. Bb2 b4 12. Na4 Nxe4 13. Bf3 Bb7 14. Qe2 Nf6 15. Rfe1 Nbd7 16. Rac1 Bxf3 17. Qxf3 0-0 18. Rcd1 Rfe8 19. Ne2 Nc5 20. Nxc5 dxc5 21. Nf4 h4 22. Be5 Qa5 23. Rd2 Rad8 24. Red1 Rxd2 25. Rxd2 Rd8 26. Rxd8+ Qxd8 27. Qb7 a5 28. Kh2 g5 29. Nd3 Ne8 30. Qe4 Bd6 31. f4 gxf4 32. Qxf4 Bxe5 33. Nxe5 Qc7 34. Kh1 Kf8 35. Ng6+ Kg7 36. Ne5 Kf8 37. Qh6+ Ke7 38. Qxh4+ Kf8 39. Qg3 Ke7 40. h4 Kf8 41. h5 Ke7 42. h6 f6 43. Ng6+ Kf7 44. Qxc7+ Nxc7 45. h7 Kg7 46. h8Q+ Kxg6 47. Qc8 Kf5 48. Qxc7 1-0

[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "4"]
[White "Goryachkina, Aleksandra"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2557"]
[BlackElo "2005"]
[PlyCount "72"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[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. Bd3 Qc7 6. 0-0 Nf6 7. c4 Be7 8. Nc3 d6 9. Be3 Nbd7 10. Rc1 h5 11. f3 h4 12. h3 Nh5 13. Nde2 g5 14. Qd2 Rg8 15. b4 Ne5 16. Na4 Bd7 17. Nb6 Rd8 18. a4 Kf8 19. a5 Be8 20. Bb1 Rg6 21. Qb2 Kg7 22. Bd4 Bf6 23. Rfd1 Kh6 24. Qd2 Bd7 25. Qe3 Rdg8 26. c5 Bb5 27. cxd6 Qxd6 28. Bxe5 Qxe5 29. Rc5 Qb2 30. Nc4 Qxb4 31. e5 Be7 32. Rxb5 axb5 33. Nd6 f5 34. Nxb7 Nf4 35. Kh1 Qb2 36. Nd4 Qxg2# 0-1

[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "2"]
[White "Herrera Perez, Martin Steven"]
[Black "Dehtiarov, Roman"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2005"]
[BlackElo "2308"]
[PlyCount "124"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. c3 d6 8. 0-0 0-0 9. Rd1 Re8 10. d3 Bb6 11. h3 h6 12. Nbd2 Na5 13. Bc2 Nh5 14. Nf1 Qf6 15. a4 Bd7 16. b4 Nc6 17. axb5 axb5 18. Be3 Nf4 19. Bxf4 Qxf4 20. Bb3 Be6 21. Bd5 Bxd5 22. exd5 Ne7 23. Qe4 Rxa1 24. Rxa1 Qxe4 25. dxe4 f5 26. exf5 Nxd5 27. Rc1 Ra8 28. c4 Nf4 29. Rc2 bxc4 30. Rxc4 Ra2 31. Ne3 Nd3 32. Nd5 Bxf2+ 33. Kh2 Nf4 34. Nxf4 exf4 35. Rxf4 Bb6 36. Rc4 Rb2 37. Nd4 Kf7 38. Ne6 Kf6 39. Nxc7 Bxc7 40. Rxc7 Rxb4 41. g4 h5 42. Kg3 hxg4 43. hxg4 Rb3+ 44. Kh4 g5+ 45. fxg6 Kxg6 46. Rd7 Rd3 47. Rd8 d5 48. Rd6+ Kg7 49. Kg5 Rd1 50. Rd7+ Kf8 51. Kg6 d4 52. g5 d3 53. Kf6 Ke8 54. Rd4 d2 55. Kg7 Ke7 56. g6 Ke8 57. Kg8 Ke7 58. g7 Ke8 59. Re4+ Kd8 60. Rd4+ Ke8 61. Re4+ Kd8 62. Rd4+ Ke8 1/2-1/2

[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "5"]
[White "Herrera Perez, Martin Steven"]
[Black "Mohammad Fahad, Rahman"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2005"]
[BlackElo "2428"]
[PlyCount "70"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 a6 7. N5c3 g6 8. Be3 Bg7 9. h4 Nd4 10. h5 Ne7 11. h6 Bf6 12. Na3 Nec6 13. Qd2 Be6 14. Be2 0-0 15. g4 Rc8 16. g5 Bh8 17. Nd5 Nxe2 18. Qxe2 Nd4 19. Qd1 Re8 20. 0-0 b5 21. b3 Qa5 22. Nc2 bxc4 23. Nxd4 Bxd5 24. exd5 exd4 25. Bxd4 Qxd5 26. Bf6 Qf5 27. Qxd6 Re4 28. f3 Re6 29. Qd7 Qc5+ 30. Kh2 Bxf6 31. gxf6 Re2+ 32. Kg3 Rce8 33. Rae1 Qe5+ 34. f4 Qc3+ 35. Rf3 Qxe1+ 0-1

[Event "Titled Tuesday intern op 25th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "11"]
[White "Herrera Perez, Martin Steven"]
[Black "Nathan, Krishna"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2005"]
[BlackElo "2028"]
[PlyCount "130"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[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 b5 6. f4 Bb7 7. Bd3 Nc6 8. Nb3 Qc7 9. Qe2 d6 10. g4 Nf6 11. g5 Nd7 12. Be3 Nc5 13. Nd2 Be7 14. Nf3 b4 15. Nd1 0-0-0 16. Nf2 a5 17. h4 d5 18. e5 g6 19. Nd4 Nxd4 20. Bxd4 Ne4 21. Qe3 Qc6 22. 0-0 h6 23. Rfc1 hxg5 24. hxg5 Nxf2 25. Qxf2 Rh3 26. Bf1 Rh7 27. c3 Rdh8 28. Bg2 b3 29. axb3 Qb5 30. c4 dxc4 31. Rxc4+ Kb8 32. Ba7+ Ka8 33. Qb6 Rh1+ 34. Bxh1 Rxh1+ 35. Kf2 Qxb6+ 36. Bxb6 Rxa1 37. Rc7 Bb4 38. f5 exf5 39. Rxf7 Rc1 40. e6 Rc2+ 41. Ke3 Bc5+ 42. Bxc5 Rxc5 43. e7 Re5+ 44. Kd4 Re4+ 45. Kc5 Re5+ 46. Kd6 Rd5+ 47. Ke6 Bc6 48. Rf8+ Kb7 49. e8Q Bxe8 50. Kxd5 Bc6+ 51. Kc5 Be4 52. Rf7+ Kc8 53. Kb6 Bc2 54. Kxa5 Bxb3 55. Kb4 Bxf7 56. Kc5 Kd7 57. Kd4 Be6 58. Ke5 Ke7 59. b4 Bc8 60. b5 Bb7 61. b6 Bc6 62. Kf4 Kd6 63. Ke3 Bb7 64. Kd4 Bc6 65. Ke3 Ke5 0-1

[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "6"]
[White "Herrera Perez, Martin Steven"]
[Black "Novoselov, Roman"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2005"]
[BlackElo "2279"]
[PlyCount "73"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 h5 6. h4 g6 7. Bg5 Bg7 8. Qd2 Be6 9. N1e2 Nd5 10. c4 Nb6 11. b3 a5 12. Rd1 a4 13. Nf4 Qd7 14. Nxe6 Qxe6+ 15. Be2 N8d7 16. 0-0 f6 17. Be3 0-0 18. Qc2 f5 19. Bf4 Qf6 20. Rfe1 Qxh4 21. Bc7 Rac8 22. Bxb6 Nxb6 23. bxa4 Bxd4 24. Nh1 c5 25. a5 Nd7 26. g3 Qf6 27. Bf3 Rc7 28. Rb1 Qa6 29. Bd5+ Kg7 30. Rxe7+ Kh8 31. Qd2 Bg7 32. Rbe1 Qd6 33. R1e6 Ne5 34. Rxd6 Rxe7 35. Qg5 Ree8 36. Rxg6 Nxg6 37. Qxh5+ 1-0

[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "9"]
[White "Herrera Perez, Martin Steven"]
[Black "Parpiev, Isaak"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2005"]
[BlackElo "2123"]
[PlyCount "59"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Bd6 8. 0-0 h5 9. Nf4 Bxf4 10. Bxf4 h4 11. Ne2 h3 12. g3 Nf6 13. Qd2 Nbd7 14. Bb3 a5 15. a4 Nb6 16. Be5 Be4 17. Nf4 Nbd5 18. Rfe1 Nxf4 19. Qxf4 Bd5 20. c4 Bg2 21. Bc7 Qd7 22. Bb6 Rh5 23. Rad1 Kf8 24. Re5 Kg8 25. Bc2 Ra6 26. Bc5 Ra7 27. Bxa7 b5 28. Bc5 bxc4 29. Rxh5 Nxh5 30. Qb8+ 1-0

[Event "Titled Tuesday intern op 25th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "5"]
[White "Herrera Perez, Martin Steven"]
[Black "Player, Edmund C"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2005"]
[BlackElo "2180"]
[PlyCount "49"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. c3 0-0 8. 0-0 Re8 9. Rd1 d6 10. d3 Bg4 11. h3 Bh5 12. Nbd2 Bb6 13. Nf1 d5 14. g4 Bg6 15. Ng3 Na5 16. Bc2 dxe4 17. dxe4 Qb8 18. Bg5 Re6 19. b4 Nc4 20. Bb3 Qa7 21. a4 c6 22. Ra2 h6 23. Bc1 Rd8 24. Rxd8+ Bxd8 25. axb5 1-0

[Event "Titled Tuesday intern op 25th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "4"]
[White "Herrera Perez, Martin Steven"]
[Black "Quirke, Jeffrey"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2005"]
[BlackElo "1998"]
[PlyCount "73"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Qe2 Be7 4. f4 Nf6 5. e5 Nfd7 6. Nf3 c5 7. c4 Nc6 8. Nc3 Nb6 9. b3 0-0 10. Bb2 f6 11. g3 fxe5 12. Nxe5 Nxe5 13. Qxe5 Bf6 14. Qe2 Bd7 15. Bg2 Re8 16. 0-0 Bc6 17. Rae1 Qd7 18. Bh3 dxc4 19. dxc4 Qd4+ 20. Rf2 e5 21. Nd1 exf4 22. Bxd4 Rxe2 23. Rfxe2 Bxd4+ 24. Kf1 f3 25. Re7 a5 26. a4 Rd8 27. Nf2 h6 28. Be6+ Kh8 29. Bf5 Nc8 30. Rc7 Nd6 31. Bg6 Rf8 32. Re6 Nf5 33. Ng4 h5 34. Bxh5 f2 35. Rf7 Rxf7 36. Bxf7 Bf3 37. Bg6 1-0

[Event "Titled Tuesday intern op 25th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "7"]
[White "Herrera Perez, Martin Steven"]
[Black "Real Pereyra, Jeronimo"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2005"]
[BlackElo "2172"]
[PlyCount "118"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[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 Nc6 6. f4 Qb6 7. Nb3 g6 8. Be2 Bg7 9. g4 0-0 10. g5 Nd7 11. Nd5 Qd8 12. c4 e6 13. Nc3 Nc5 14. Be3 b6 15. Nd4 Bb7 16. Ndb5 d5 17. cxd5 exd5 18. exd5 Nb4 19. 0-0 Nxd5 20. Bxc5 Nxc3 21. Nxc3 bxc5 22. Qxd8 Raxd8 23. Bf3 Bd4+ 24. Kg2 Bxf3+ 25. Kxf3 Rb8 26. Na4 Bxb2 27. Nxb2 Rxb2 28. Rfc1 Rc8 29. Rc4 Rxh2 30. a4 Rh3+ 31. Kg4 Rb3 32. Rac1 Ra3 33. f5 gxf5+ 34. Kxf5 Kg7 35. R1c2 Rd8 36. Rxc5 Rxa4 37. Rb2 Rdd4 38. Rb7 Rf4+ 39. Ke5 Rae4+ 40. Kd6 Rd4+ 41. Kc6 Rc4 42. Rxa7 Rxc5+ 43. Kxc5 Rf5+ 44. Kd4 Rxg5 45. Ke4 h5 46. Kf4 Rg6 47. Kf5 Rf6+ 48. Kg5 Rh6 49. Rb7 h4 50. Rb2 h3 51. Rh2 Rh8 52. Kf5 f6 53. Kg4 Kg6 54. Kf4 Kf7 55. Kf5 Ke7 56. Kg6 Ke6 57. Kg7 Rh4 58. Kg6 Ke5 59. Kg7 Kf4 0-1

[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "3"]
[White "Herrera Perez, Martin Steven"]
[Black "Volkov, Nika"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2005"]
[BlackElo "2206"]
[PlyCount "98"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Qe2 dxe4 4. dxe4 c5 5. f4 Nc6 6. c3 e5 7. f5 Nf6 8. Nf3 Be7 9. Nbd2 Qc7 10. a4 a6 11. Nc4 b6 12. g4 h6 13. Rg1 Rb8 14. h4 b5 15. axb5 axb5 16. Ncd2 c4 17. Bh3 Bb7 18. Nf1 Bc5 19. Rg3 Qb6 20. Bg2 Rd8 21. N3h2 Na5 22. Be3 Nb3 23. Bxc5 Qxc5 24. Rd1 Rxd1+ 25. Kxd1 Ke7 26. Qe3 Qd6+ 27. Ke1 Ra8 28. Bf3 Ra1+ 29. Kf2 Ra2 30. g5 Rxb2+ 31. Kg1 hxg5 32. hxg5 Nd7 33. f6+ gxf6 34. g6 fxg6 35. Rxg6 Qc5 36. Rg7+ Kf8 37. Rxd7 Qxe3+ 38. Nxe3 Nc5 39. Rc7 Nxe4 40. Rxb7 Nxc3 41. Nhg4 e4 42. Bg2 Ne2+ 43. Kh2 c3 44. Nxf6 Nf4 45. Kg3 Ne2+ 46. Kg4 c2 47. Nh7+ Ke8 48. Bxe4 c1Q 49. Nf6+ Kd8 0-1

[Event "Titled Tuesday intern op 25th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "6"]
[White "Korpics, Zsolt"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2300"]
[BlackElo "2005"]
[PlyCount "113"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[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. Bd3 Qc7 6. c4 Nf6 7. 0-0 h5 8. h3 Be7 9. Nc3 d6 10. Be3 Nbd7 11. Rc1 h4 12. b3 Nh5 13. Nde2 g5 14. f4 gxf4 15. Nxf4 Ng3 16. Rf3 Ne5 17. Rf2 Bd7 18. Nfe2 Rg8 19. Nxg3 Rxg3 20. Qe2 Qa5 21. Bb1 0-0-0 22. Qd2 Rdg8 23. Kh1 Qd8 24. Ne2 R3g7 25. c5 Bc6 26. cxd6 Qxd6 27. Qxd6 Bxd6 28. Nd4 Kd7 29. Bf4 Ke7 30. Bxe5 Bxe5 31. Nxc6+ bxc6 32. Rxc6 Rd8 33. Rc1 Rd4 34. Rcf1 Bg3 35. Rf3 a5 36. a3 Be5 37. Rd3 f6 38. Rxd4 Bxd4 39. b4 axb4 40. axb4 Rg3 41. Rf3 Rg5 42. Rd3 e5 43. Ba2 Kd6 44. Bd5 Rg7 45. Ra3 Rc7 46. Ra6+ Ke7 47. Rc6 Ra7 48. Rc1 Ra3 49. Rb1 Bb6 50. b5 Kd7 51. Bc6+ Kd6 52. Rd1+ Bd4 53. Bd5 Kc5 54. Bc6 Kb6 55. Rb1 Ra2 56. Bd5 Bb2 57. Bxa2 1-0

[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "1"]
[White "Matinian, Nikita"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2421"]
[BlackElo "2005"]
[PlyCount "150"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[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. Be3 Nf6 7. f3 b5 8. Qd2 Bb7 9. 0-0-0 Bb4 10. a3 Bxc3 11. Qxc3 Qxc3 12. bxc3 d5 13. e5 Nfd7 14. f4 Nc6 15. Nb3 0-0-0 16. h4 h5 17. Rh3 g6 18. Kb2 Kc7 19. Ra1 Nb6 20. Bxb6+ Kxb6 21. a4 Ra8 22. a5+ Kc7 23. Be2 Rac8 24. g4 hxg4 25. Bxg4 Rh6 26. Rah1 Rch8 27. h5 gxh5 28. Rxh5 Rxh5 29. Rxh5 Rg8 30. Bh3 Bc8 31. Rh7 Rf8 32. Kc1 Kd8 33. Kd2 Ke8 34. Ke3 Rg8 35. Kf2 Kf8 36. Rh4 Ke7 37. Rh6 Rd8 38. Bg4 Rg8 39. Bh5 Rg7 40. f5 Rg5 41. f6+ Kd8 42. Rh8+ Kc7 43. Bxf7 Nxe5 44. Rxc8+ Kxc8 45. Bxe6+ Kc7 46. Nd4 Kd6 47. f7 Ng6 48. Ke3 Re5+ 49. Kd3 Rxe6 50. Nxe6 Kxe6 51. Kd4 Kd6 52. Ke3 Ke5 53. Kd3 Nf8 54. Ke3 Ne6 55. Kd3 Kf6 56. f8Q+ Nxf8 57. Kd4 Ke6 58. Kc5 Nd7+ 59. Kc6 Nf6 60. Kb6 Kd6 61. Kxa6 Kc6 62. Ka7 Ne4 63. a6 Nxc3 64. Kb8 Na4 65. a7 Nb6 66. c3 b4 67. cxb4 d4 68. b5+ Kxb5 69. Kc7 d3 70. Kb7 d2 71. a8Q Nxa8 72. Kxa8 d1Q 73. Kb7 Qd7+ 74. Kb8 Kb6 75. Ka8 Qc8# 0-1

[Event "Titled Tuesday intern op 25th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "3"]
[White "Tsyhanchuk, Stanislav"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2273"]
[BlackElo "2005"]
[PlyCount "141"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 e6 3. e4 a6 4. Nge2 Qc7 5. d4 cxd4 6. Nxd4 Nf6 7. Be2 Be7 8. 0-0 d6 9. Be3 Nbd7 10. Rc1 h5 11. b4 h4 12. h3 g6 13. Nf3 Ne5 14. Nxe5 dxe5 15. c5 Nh5 16. Bxh5 Rxh5 17. b5 Qa5 18. a4 Bd7 19. Qd3 Rd8 20. Qc4 f5 21. c6 bxc6 22. bxc6 Bc8 23. exf5 gxf5 24. Rfd1 Rxd1+ 25. Rxd1 Qb4 26. Qxb4 Bxb4 27. c7 Bd7 28. Na2 Ba5 29. Rc1 Bc8 30. Rc5 Bb6 31. Rc4 Bxe3 32. fxe3 Rh7 33. a5 Kd7 34. Nb4 Kd6 35. Rc6+ Kd7 36. Kf2 e4 37. Rc2 Kd6 38. Rc6+ Ke5 39. Rc5+ Kf6 40. Rc6 Rd7 41. Ke2 Ke7 42. Nxa6 Bxa6+ 43. Rxa6 Rxc7 44. Rb6 Rc2+ 45. Kf1 Ra2 46. a6 Kf6 47. Rc6 Ke5 48. Rc5+ Kd6 49. Rc8 Rxa6 50. Rh8 Ra1+ 51. Kf2 Ra2+ 52. Kf1 Ra3 53. Kf2 Ra2+ 54. Kf1 Ke5 55. Rxh4 Kf6 56. Rh6+ Ke5 57. g4 Rh2 58. g5 Ra2 59. Rh8 Kd5 60. g6 Ra7 61. Rd8+ Ke5 62. h4 Kf6 63. h5 Kg7 64. Re8 Kh6 65. Rh8+ Kg5 66. Rh7 Ra1+ 67. Ke2 Kf6 68. Rf7+ Ke5 69. g7 Rg1 70. h6 Rg2+ 71. Kf1 1-0

[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "11"]
[White "Vlassov, Nikolai"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2283"]
[BlackElo "2005"]
[PlyCount "58"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 a6 4. d5 Qc7 5. Nf3 d6 6. dxe6 fxe6 7. Bd3 Nf6 8. 0-0 Be7 9. Bf4 Nc6 10. Re1 Ne5 11. Nxe5 dxe5 12. Bg3 0-0 13. Qe2 b5 14. Nd2 c4 15. Bc2 Bb7 16. Nf3 Bd6 17. Rad1 Rad8 18. Ng5 Qe7 19. Rd2 h6 20. Nf3 Nh5 21. Bxe5 Bxe5 22. Rxd8 Qxd8 23. Nxe5 Nf4 24. Qg4 h5 25. Qg3 Qd2 26. Qe3 Qxc2 27. Nd7 Nd3 28. Nxf8 Nxe1 29. Nxe6 Qd1 0-1

[Event "Titled Tuesday intern op 25th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.25"]
[Round "7"]
[White "Vovk, Orest"]
[Black "Herrera Perez, Martin Steven"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2315"]
[BlackElo "2005"]
[PlyCount "58"]
[EventDate "2023.07.25"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. g4 c5 2. Bg2 e6 3. h3 Nc6 4. c4 Qc7 5. Nc3 a6 6. d3 b6 7. Nf3 Bb7 8. 0-0 d6 9. a3 Nf6 10. Rb1 Be7 11. b4 cxb4 12. axb4 Ne5 13. Nxe5 dxe5 14. Bxb7 Qxb7 15. f3 Nd7 16. Be3 g5 17. c5 bxc5 18. bxc5 Qc7 19. Ne4 Rg8 20. Qa4 f5 21. Nd6+ Bxd6 22. cxd6 Qxd6 23. Rb7 e4 24. dxe4 Qg3+ 25. Kh1 Qxh3+ 26. Kg1 Qg3+ 27. Kh1 Qh3+ 28. Kg1 Qg3+ 29. Kh1 Qh3+ 1/2-1/2

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.09.01"]
[Round "4.1"]
[White "Herrera Perez, Martin Steven"]
[Black "Tautiva, Cristian Camilo"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2005"]
[BlackElo "2027"]
[PlyCount "43"]
[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. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bd3 Bb7 11. Rhe1 Be7 12. Qg3 h6 13. Bxf6 Nxf6 14. Qxg7 Rg8 15. Qxh6 b4 16. e5 Nd7 17. exd6 Qxd6 18. Nxe6 bxc3 19. Bb5 cxb2+ 20. Kb1 Qxd1+ 21. Rxd1 axb5 22. Nc7+ 1-0

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.09.01"]
[Round "3.2"]
[White "Nino Lopez, Michael Fabian"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1807"]
[BlackElo "2005"]
[PlyCount "36"]
[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. b4 cxb4 3. a3 d5 4. e5 Nc6 5. d4 Qb6 6. Ne2 Bf5 7. Be3 Rc8 8. Ng3 Bg6 9. f4 e6 10. f5 exf5 11. axb4 Nxb4 12. c4 dxc4 13. Na3 f4 14. Qg4 Ne7 15. Qxf4 Nbd5 16. Qf2 Nxe3 17. Qxe3 Nd5 18. Qf2 Bxa3 0-1

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.08.31"]
[Round "1.2"]
[White "Cajamarca Alvarado, Sergio Armando"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1570"]
[BlackElo "2005"]
[PlyCount "38"]
[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. Nc3 d5 3. Bg5 Nbd7 4. Nf3 h6 5. Bh4 e6 6. a3 Be7 7. e3 a6 8. Bd3 c5 9. Ne5 cxd4 10. exd4 Qb6 11. Nxd7 Bxd7 12. Ne2 Qxb2 13. Rb1 Qxa3 14. Bxf6 gxf6 15. Rxb7 Bb4+ 16. Kf1 Bc8 17. Rc7 Qa5 18. c3 Bf8 19. Rxc8+ Rxc8 0-1

[Event "Cucuta Region Univ Ascun"]
[Site "Cucuta"]
[Date "2016.08.31"]
[Round "2.2"]
[White "Herrera Perez, Martin Steven"]
[Black "Silva Torres, Jorge J"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2005"]
[BlackElo "1788"]
[PlyCount "51"]
[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. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bd3 Bb7 11. Rhe1 b4 12. Nce2 0-0-0 13. Kb1 Kb8 14. Bh4 Rc8 15. Bf2 Nc5 16. Ng3 d5 17. e5 Nfe4 18. Bxe4 dxe4 19. Qe2 f5 20. exf6 gxf6 21. f5 e5 22. Nb3 Na4 23. Nxe4 Be7 24. Rd2 Qc4 25. Na5 Qxe2 26. Rexe2 1-0

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.03"]
[Round "9"]
[White "Herrera Perez, Martin Steven"]
[Black "Martinez, Jorge Alexander"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2017"]
[BlackElo "2166"]
[PlyCount "66"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. c4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 d6 8. Be2 Bd7 9. 0-0 0-0 10. Qd2 Re8 11. Rac1 a6 12. Rfd1 Rc8 13. f3 Qa5 14. b3 Nxd4 15. Bxd4 Bc6 16. Nd5 Qxd2 17. Nxf6+ Bxf6 18. Rxd2 Bxd4+ 19. Rxd4 Rc7 20. Rd2 Rec8 21. Rdc2 f5 22. exf5 gxf5 23. Bd3 e6 24. Re1 Kf7 25. Rce2 Re8 26. Kf2 Kf6 27. Rd2 e5 28. Bb1 Rd7 29. Red1 Red8 30. Ke3 d5 31. cxd5 Rxd5 32. Rxd5 Rxd5 33. Rxd5 Bxd5 1/2-1/2

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.03"]
[Round "8"]
[White "Herrera Perez, Martin Steven"]
[Black "Parra, Diego Alexander"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2017"]
[BlackElo "1889"]
[PlyCount "65"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 e5 10. Qd2 Qa5 11. Nb5 Qxd2+ 12. Kxd2 Nxb5 13. cxb5 b6 14. Bc4 Bb7 15. Bd5 Bxd5 16. exd5 Ke7 17. Kc2 f5 18. f3 Rhc8+ 19. Kb3 Rc7 20. Rhd1 Kd6 21. Bd2 Rac8 22. Bb4+ Rc5 23. Rac1 Bh6 24. Bxc5+ Rxc5 25. Rxc5 Kxc5 26. Kc3 Be3 27. b4+ Kxb5 28. a4+ Ka6 29. Kc4 Kb7 30. d6 a5 31. b5 f4 32. Kd5 h5 33. Kxe5 1-0

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.02"]
[Round "6"]
[White "Romero Martinez, Filadelfo"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2120"]
[BlackElo "2017"]
[PlyCount "81"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 Be7 5. e3 b6 6. Bd3 Bb7 7. Nbd2 c5 8. c3 Nc6 9. 0-0 0-0 10. Rc1 d5 11. Re1 Rc8 12. Bb1 Ne4 13. Bxe7 Nxe7 14. Nxe4 dxe4 15. Nd2 f5 16. Qe2 Nd5 17. c4 Nf6 18. dxc5 bxc5 19. Rcd1 Qb6 20. Nb3 e5 21. Qd2 Rfd8 22. Qc3 Rxd1 23. Rxd1 Qe6 24. Qd2 Qxc4 25. Na5 Qb5 26. Nxb7 Qxb7 27. Qd6 Re8 28. Bc2 Qxb2 29. Bb3+ Kh8 30. Qxc5 f4 31. Qxa7 Ng4 32. Rf1 Qe2 33. Qa4 Rf8 34. Bd1 Qd2 35. Bxg4 fxe3 36. Qd1 exf2+ 37. Kh1 Qxd1 38. Bxd1 Rd8 39. g3 Rxd1 40. Rxd1 e3 41. Rd8+ 1-0

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.02"]
[Round "7"]
[White "Valencia, Cristian Johan"]
[Black "Herrera Perez, Martin Steven"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "1908"]
[BlackElo "2017"]
[PlyCount "89"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. g3 Qc7 6. Bg2 Nc6 7. 0-0 Nf6 8. Nc3 Nxd4 9. Qxd4 d6 10. Bg5 Nd7 11. Rfd1 h6 12. Be3 b6 13. Na4 b5 14. Nb6 Nxb6 15. Qxb6 Qxb6 16. Bxb6 Bb7 17. c3 Rc8 18. a4 Rc6 19. Be3 bxa4 20. Rxa4 Be7 21. e5 d5 22. c4 Rc7 23. cxd5 exd5 24. Bxd5 0-0 25. Bxb7 Rxb7 26. Rxa6 Rxb2 27. Rd7 Bb4 28. Bd4 Re2 29. Ra4 Bd2 30. Raa7 Bb4 31. Rdb7 Be1 32. Rd7 Bb4 33. Kf1 Re1+ 34. Kg2 Re4 35. Kf3 Rxd4 36. Rxd4 Bc5 37. Rad7 Bxd4 38. Rxd4 Ra8 39. Re4 Ra3+ 40. Re3 Ra6 41. h4 Ra4 42. Rd3 Kf8 43. Ke3 Ke7 44. f4 g6 45. g4 1/2-1/2

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.01"]
[Round "4"]
[White "Arango Arenas, Juan Camilo"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2203"]
[BlackElo "2017"]
[PlyCount "59"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. f4 d6 8. Qe2 Nc6 9. Nxc6 Qxc6 10. 0-0 h5 11. h3 h4 12. Bd2 Be7 13. f5 e5 14. Bg5 Qb6+ 15. Kh2 Qxb2 16. Bxf6 Bxf6 17. Nd5 Bd8 18. Rab1 Qxa2 19. Bc4 Qa5 20. Qg4 Kf8 21. Ne3 Qc5 22. Rf3 b5 23. Bxf7 Kxf7 24. Qg6+ Kf8 25. f6 gxf6 26. Rxf6+ Bxf6 27. Qxf6+ Ke8 28. Nd5 Ra7 29. Qxh8+ Kd7 30. Rf1 1-0

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.11.01"]
[Round "5"]
[White "Herrera Perez, Martin Steven"]
[Black "Gomez Guardo, Cristian"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "2017"]
[BlackElo "1862"]
[PlyCount "83"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Be3 Nc6 8. Qd2 Nxd4 9. Bxd4 h5 10. Nc3 Bd7 11. Nd5 e5 12. Nxf6+ Bxf6 13. Be3 Be6 14. Be2 b6 15. 0-0 Rc8 16. Rac1 g5 17. Rfd1 Be7 18. a4 f5 19. exf5 Bxf5 20. Bd3 0-0 21. Bxf5 Rxf5 22. Qd3 Qf8 23. Qe4 Rc7 24. Rd5 h4 25. h3 Qc8 26. b4 Rf7 27. a5 Rb7 28. axb6 axb6 29. Rb5 Qc7 30. Ra1 Bd8 31. c5 dxc5 32. bxc5 Qb8 33. cxb6 Kg7 34. Rab1 Bf6 35. Rd5 Qc8 36. Rd6 Rfd7 37. Rxd7+ Qxd7 38. Rc1 Kf8 39. Qc6 Bd8 40. Qxd7 Rxd7 41. Rc8 Kf7 42. b7 1-0

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.10.31"]
[Round "2"]
[White "Herrera Perez, Martin Steven"]
[Black "Jimenez, Jose Mauricio"]
[Result "0-1"]
[ECO "B82"]
[WhiteElo "2017"]
[BlackElo "2181"]
[PlyCount "50"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. Qe2 d6 8. f4 Nc6 9. Nb3 Be7 10. g4 h5 11. g5 Nd7 12. g6 f6 13. Bd2 Nb4 14. Nd4 Nc5 15. a3 Nc6 16. Nf3 b5 17. b4 Nxd3+ 18. cxd3 Bb7 19. Rc1 Qd7 20. d4 d5 21. e5 f5 22. Nd1 a5 23. Qxb5 axb4 24. axb4 Nxb4 25. Qxd7+ Kxd7 0-1

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.10.31"]
[Round "3"]
[White "Herrera Perez, Martin Steven"]
[Black "Martinez Zuluaica, Julian"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2017"]
[BlackElo "2205"]
[PlyCount "70"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nc6 8. Qd2 Bg4 9. Be2 Qd7 10. 0-0-0 0-0-0 11. h3 Be6 12. Nd4 a6 13. Nxe6 fxe6 14. Rhe1 h5 15. Bc4 d5 16. Qe3 Bd6 17. Bxd6 Qxd6 18. Bb3 Rde8 19. c4 d4 20. Qe4 Rhf8 21. f3 e5 22. Ba4 Qc5 23. Bxc6 Qxc6 24. Qxc6 bxc6 25. Re4 c5 26. Rde1 Rf5 27. f4 Kd7 28. fxe5 Ke6 29. g4 hxg4 30. Rxg4 g5 31. Reg1 Rh8 32. Rxg5 Rxg5 33. Rxg5 Rxh3 34. Rg6+ Kxe5 35. Rxa6 Rh1+ 1/2-1/2

[Event "Mosquera op"]
[Site "Mosquera"]
[Date "2014.10.30"]
[Round "1"]
[White "Pardo, Alejandro"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2255"]
[BlackElo "2017"]
[PlyCount "84"]
[EventDate "2014.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 c5 6. 0-0 Nc6 7. a3 Be7 8. b3 0-0 9. Bb2 Rc8 10. Qe2 Qc7 11. dxc5 bxc5 12. Rfd1 Rfd8 13. h3 d5 14. c4 Na5 15. Ne5 Ne4 16. Bc2 Bf6 17. f4 Rb8 18. Nxe4 dxe4 19. Rab1 Ba8 20. Ba1 Nc6 21. Nxc6 Qxc6 22. Bxf6 gxf6 23. Qg4+ Kf8 24. f5 e5 25. Kh2 Ke7 26. Qh5 Qa6 27. Qh4 Rxd1 28. Rxd1 Qxa3 29. Bxe4 Bxe4 30. Qxe4 Qxb3 31. Qd5 Qb6 32. Qd7+ Kf8 33. Ra1 a5 34. Rd1 Rb7 35. Qc8+ Ke7 36. Rd5 Qc7 37. Qh8 a4 38. Rd2 e4+ 39. g3 a3 40. Qa8 Rb2 41. Qxe4+ Qe5 42. Qg2 Rxd2 0-1

[Event "Bucaramanga Udi Cup"]
[Site "Bucaramanga"]
[Date "2014.10.18"]
[Round "7"]
[White "Herrera Perez, Martin Steven"]
[Black "Valderrama Gualdron, Wilmer Jose"]
[Result "1-0"]
[ECO "E82"]
[WhiteElo "2017"]
[PlyCount "77"]
[EventDate "2014.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 b6 5. Be3 Nf6 6. f3 0-0 7. Bd3 Nbd7 8. Nge2 Bb7 9. Qd2 Re8 10. 0-0 c5 11. Rfd1 Rc8 12. Rac1 a6 13. a3 Nb8 14. b4 cxd4 15. Nxd4 Nc6 16. Nb3 Ne5 17. Na4 Nfd7 18. Be2 Bc6 19. b5 axb5 20. cxb5 Bb7 21. f4 Ra8 22. Nc3 Rxa3 23. Nd4 Qa8 24. fxe5 Nxe5 25. Bf3 Rc8 26. Bf2 Nc4 27. Qe2 Ne5 28. Nd5 Bxd5 29. exd5 Ra7 30. Nc6 Rb7 31. Bd4 Nxf3+ 32. gxf3 Re8 33. Bxg7 Kxg7 34. Rc4 Qa3 35. Re4 Kf8 36. Qe3 Qb2 37. Qh6+ Kg8 38. Nd4 Ra7 39. Rh4 1-0

[Event "Bucaramanga Udi Cup"]
[Site "Bucaramanga"]
[Date "2014.10.18"]
[Round "6"]
[White "Jimenez, Jose Mauricio"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2181"]
[BlackElo "2017"]
[PlyCount "99"]
[EventDate "2014.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. d4 e6 5. 0-0 c5 6. b3 d5 7. Bb2 Nbd7 8. Nbd2 cxd4 9. Nxd4 Qb6 10. Rb1 Bc5 11. N2f3 b4 12. Ne1 Ne4 13. e3 e5 14. Nf5 Qf6 15. Nh4 Qe6 16. Nd3 0-0 17. Nxc5 Ndxc5 18. f4 f6 19. Nf3 Nc3 20. Bxc3 bxc3 21. b4 Ne4 22. Qe2 Rad8 23. Rfd1 Rfe8 24. a4 Qc6 25. b5 Qc5 26. fxe5 fxe5 27. Ne1 Nd2 28. Nd3 Qb6 29. Rb4 e4 30. Nf4 d4 31. exd4 Rxd4 32. a5 Nf3+ 33. Kf1 Rxd1+ 34. Qxd1 Rd8 35. axb6 Rxd1+ 36. Kf2 axb6 37. Rc4 Ne5 38. Rxc3 Ng4+ 39. Ke2 Rd8 40. Rc7 Bd5 41. c4 Bf7 42. Bh3 Nf6 43. Be6 Rf8 44. Rxf7 Rxf7 45. Ke3 Kf8 46. Bxf7 Kxf7 47. Nd5 Nd7 48. Kxe4 Ke6 49. Kd4 Kd6 50. Nxb6 1-0

[Event "Bucaramanga Udi Cup"]
[Site "Bucaramanga"]
[Date "2014.10.17"]
[Round "4"]
[White "Santoyo Silva, Sergio Julian"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1869"]
[BlackElo "2017"]
[PlyCount "112"]
[EventDate "2014.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 Nd4 5. Nxd4 cxd4 6. Ne2 Qb6 7. Qb3 Qxb3 8. axb3 e5 9. Ng3 Ne7 10. d3 Nc6 11. Bd2 Bb4 12. Ra4 a5 13. Nf5 g6 14. Ng3 d6 15. Ne2 Bd7 16. Ra1 0-0 17. g3 f5 18. f3 Rf7 19. Bh3 Raf8 20. Rf1 fxe4 21. Bxd7 Rxd7 22. dxe4 Rdf7 23. Ng1 b6 24. Ke2 Bxd2 25. Kxd2 g5 26. g4 h5 27. h3 hxg4 28. hxg4 Rh7 29. Rf2 Rh4 30. Raf1 Kg7 31. Ne2 Rh3 32. Nc1 Rb8 33. Nd3 Kf7 34. Rc1 Ke7 35. Ke2 Rc8 36. Kd2 Nb8 37. b4 Nc6 38. b5 Nd8 39. b3 Nb7 40. Ra1 Rh7 41. Ke2 Ke6 42. Kd2 Rhh8 43. Ke2 Ra8 44. Kd2 Kf6 45. Ke2 Kg6 46. Kd2 a4 47. bxa4 Na5 48. Kc2 Nxc4 49. Nb4 Rac8 50. Kd3 Na5 51. Nd5 Nb3 52. Rb1 Nc5+ 53. Kd2 Rb8 54. Ne7+ Kf7 55. Nc6 Ra8 56. a5 bxa5 0-1

[Event "Bucaramanga Udi Cup"]
[Site "Bucaramanga"]
[Date "2014.10.16"]
[Round "3"]
[White "Herrera Perez, Martin Steven"]
[Black "Espinosa, Julio Manuel"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2017"]
[BlackElo "2252"]
[PlyCount "72"]
[EventDate "2014.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Be2 Be7 6. Nc3 0-0 7. 0-0 Re8 8. Re1 Bf8 9. Bf1 Nbd7 10. f3 Ne5 11. Be3 a6 12. b3 b5 13. Qd2 Bb7 14. Bg5 h6 15. Bxf6 Qxf6 16. Nd5 Qd8 17. Rad1 c6 18. Ne3 Qc7 19. c4 g6 20. Kh1 Qb6 21. Ndc2 Rad8 22. a4 bxa4 23. bxa4 a5 24. Rb1 Qc7 25. Red1 h5 26. Qc3 Nd7 27. Qb2 Rb8 28. Qa2 Nc5 29. Re1 Bg7 30. Red1 Ba6 31. g3 Rxb1 32. Rxb1 Rb8 33. Rxb8+ Qxb8 34. Nd1 Qb3 35. Qxb3 Nxb3 36. Bh3 Bxc4 0-1

[Event "Bucaramanga Udi Cup"]
[Site "Bucaramanga"]
[Date "2014.10.16"]
[Round "2"]
[White "Rey, Luis Hernando"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1688"]
[BlackElo "2017"]
[PlyCount "55"]
[EventDate "2014.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Nc3 b5 8. a3 Bb7 9. Qe2 d6 10. Bd2 Nbd7 11. Kh1 Be7 12. f4 h5 13. Rae1 h4 14. Qf3 Nh5 15. Qh3 0-0-0 16. Kg1 g6 17. Qe3 Rde8 18. Nf3 e5 19. fxe5 dxe5 20. Qf2 Ndf6 21. Qe2 Bc5+ 22. Be3 Ng4 23. Nd1 Nf4 24. Qd2 h3 25. g3 Ng2 26. Bxc5 Qxc5+ 27. Kh1 Nxe1 28. Qxe1 0-1

[Event "Bucaramanga Udi Cup"]
[Site "Bucaramanga"]
[Date "2014.10.15"]
[Round "1"]
[White "Herrera Perez, Martin Steven"]
[Black "Carreno Acevedo, Cristian Camil"]
[Result "1-0"]
[ECO "C86"]
[WhiteElo "2017"]
[BlackElo "1472"]
[PlyCount "97"]
[EventDate "2014.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Qe2 a6 5. Ba4 d6 6. c3 Bd7 7. 0-0 Be7 8. Rd1 0-0 9. d3 h6 10. Nbd2 Nh7 11. Bc2 f5 12. exf5 Bxf5 13. h3 Ng5 14. Nxg5 Bxg5 15. Ne4 Bf6 16. Qh5 Bh7 17. Be3 Qe8 18. Qg4 Kh8 19. Rac1 d5 20. Nc5 b6 21. Nd7 Rf7 22. Nxf6 Rxf6 23. Bb3 Bf5 24. Qh4 Be6 25. d4 e4 26. g4 Na5 27. Kh2 Qd8 28. Rg1 Rf3 29. Qxd8+ Rxd8 30. Bd1 Rf7 31. b3 b5 32. Be2 c6 33. Ra1 Nb7 34. a4 g5 35. axb5 axb5 36. Ra6 Rc8 37. Kg3 Kg7 38. h4 Kg6 39. hxg5 hxg5 40. Rh1 Bd7 41. Rh5 Rg8 42. Rxg5+ Kh7 43. Rh5+ Kg6 44. Bxb5 Rf3+ 45. Kh4 Kf7 46. Rh7+ Ke8 47. Bg5 Bc8 48. Bxc6+ Kf8 49. Be7# 1-0

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.10"]
[Round "9"]
[White "Dabraccio, Guillermo"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1766"]
[BlackElo "2046"]
[PlyCount "94"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Nbd2 c5 6. c3 Nc6 7. Bb5 a6 8. Be2 Be7 9. h3 d5 10. 0-0 0-0 11. a3 Re8 12. b4 c4 13. a4 b5 14. axb5 axb5 15. Rxa8 Bxa8 16. Qc2 Bf8 17. Ra1 Nd7 18. Qa2 Bb7 19. Qc2 f6 20. Bg3 e5 21. dxe5 fxe5 22. Qf5 g6 23. Qg5 Qxg5 24. Nxg5 h6 25. Ngf3 d4 26. Nxc4 bxc4 27. Bxc4+ Kg7 28. b5 Nd8 29. cxd4 Bxf3 30. gxf3 Bd6 31. Ra7 Re7 32. Bxe5+ Nxe5 33. Rxe7+ Bxe7 34. dxe5 Bc5 35. Bd5 Nf7 36. f4 Nd8 37. Kg2 Kf8 38. h4 Ke7 39. Be4 Kf7 40. Kf3 Ne6 41. Bd5 Ke7 42. Ke4 Ng7 43. f3 Nf5 44. Kd3 Bxe3 45. Be4 Bxf4 46. Bxf5 gxf5 47. Kd4 Ke6 0-1

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.10"]
[Round "8"]
[White "Herrera Perez, Martin Steven"]
[Black "Castaneda Jimenez, Jhon David"]
[Result "0-1"]
[ECO "B66"]
[WhiteElo "2046"]
[BlackElo "2240"]
[PlyCount "160"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bxf6 Qxf6 10. Kb1 Bd7 11. Nb3 Rc8 12. f4 Qd8 13. Bd3 Be7 14. Rhe1 b5 15. e5 d5 16. f5 b4 17. Nxd5 exd5 18. e6 0-0 19. exd7 Qxd7 20. Be4 Bf6 21. Qxd5 Qc7 22. Qxc6 Qxc6 23. Bxc6 Rxc6 24. Re4 Rb8 25. Rde1 Rb5 26. g4 Rd6 27. Rc1 a5 28. c4 bxc3 29. bxc3 Rd2 30. Rc2 Rd3 31. Rc4 a4 32. Rxa4 Bxc3 33. Rc4 Bf6 34. Rc8+ Kh7 35. R8c4 h5 36. Rf2 hxg4 37. Rxg4 Rc3 38. Rg3 Rc4 39. Rh3+ Kg8 40. Re2 Rc8 41. Rf3 Rd5 42. Rd2 Re5 43. Rf1 Rc4 44. Rdf2 Ree4 45. Rc2 Ra4 46. Rcf2 Be5 47. Kc1 Rh4 48. Rh1 Rh3 49. Re1 Bxh2 50. Re8+ Kh7 51. Rc8 Bf4+ 52. Kb2 Be5+ 53. Kb1 Rh1+ 54. Rc1 Rh5 55. Nc5 Rb4+ 56. Nb3 Ra4 57. Rd1 Kh6 58. Nc5 Ra5 59. Nb3 Rb5 60. Kc2 Bf6 61. Rdf1 Rh4 62. Kd3 Be5 63. Rg2 Kh7 64. Rf3 Kg8 65. Rc2 Bf6 66. Rc8+ Kh7 67. Rc5 Rb7 68. Rc8 Rd7+ 69. Ke2 Ra7 70. Rc2 Kh6 71. Rf2 Kg5 72. Kf1 Raa4 73. Rc5 Rhf4 74. Rxf4 Rxf4+ 75. Kg2 Rxf5 76. Rc4 Rf4 77. Rc5+ Kg4 78. Nd2 Bd4 79. Rc2 Rf2+ 80. Kh1 Kg3 0-1

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.09"]
[Round "7"]
[White "Alvarez, Dager"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2138"]
[BlackElo "2046"]
[PlyCount "103"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 a6 4. Nc3 Qc7 5. Be2 d6 6. d4 cxd4 7. Nxd4 Nf6 8. 0-0 b6 9. Be3 Bb7 10. f3 Nbd7 11. Rc1 Rc8 12. Qe1 Be7 13. Qg3 0-0 14. Nd5 Qd8 15. Nxe7+ Qxe7 16. Bh6 Nh5 17. Qh3 gxh6 18. Qxh5 Qg5 19. Qxg5+ hxg5 20. Rfd1 Ne5 21. b3 Rfd8 22. Rc2 Kf8 23. Rcd2 Ke7 24. Kf2 Nc6 25. Nc2 Rd7 26. Ke3 Rcd8 27. g3 Rg8 28. Ne1 Rgd8 29. Nd3 Ne5 30. Nxe5 dxe5 31. b4 Rxd2 32. Rxd2 Rc8 33. a4 Bc6 34. b5 axb5 35. axb5 Bb7 36. f4 gxf4+ 37. gxf4 exf4+ 38. Kxf4 f6 39. e5 fxe5+ 40. Kxe5 Rc5+ 41. Kd4 e5+ 42. Kc3 Rc8 43. Bg4 Rd8 44. Rxd8 Kxd8 45. c5 bxc5 46. Kc4 Ke7 47. Kxc5 Kf6 48. Bd7 Kg5 49. Bc6 Bc8 50. Kd6 Kf4 51. Kc7 Bg4 52. b6 1-0

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.09"]
[Round "6"]
[White "Herrera Perez, Martin Steven"]
[Black "Cardona, Juan Ricardo"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2046"]
[BlackElo "1842"]
[PlyCount "61"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. Nf3 Bf5 8. Qe2 e6 9. Bg5 Be7 10. 0-0-0 0-0 11. Ne5 Nd5 12. Bxe7 Nxe7 13. g4 Bg6 14. h4 h6 15. g5 b5 16. Bd3 Qxd4 17. Bxg6 Qf4+ 18. Kb1 fxg6 19. Nd3 Qf5 20. Rde1 Kh7 21. Qxe6 Rae8 22. Re5 Qf3 23. Rhe1 Nf5 24. Qxe8 Rxe8 25. Rxe8 hxg5 26. hxg5 Qg2 27. Ne5 Nd6 28. Rd8 Nb7 29. Rb8 Nd6 30. Rf8 Qd5 31. f3 1-0

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.08"]
[Round "4"]
[White "Nino, Juan Camilo"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2116"]
[BlackElo "2046"]
[PlyCount "74"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. Be3 b5 8. 0-0 Bb7 9. a3 d6 10. f4 Nbd7 11. f5 e5 12. Nb3 Nc5 13. Nd2 Be7 14. Qf3 Rd8 15. Rae1 h5 16. Kh1 h4 17. Bg5 d5 18. Bxf6 dxe4 19. Ndxe4 gxf6 20. Rd1 h3 21. Qg3 hxg2+ 22. Kxg2 Kd7 23. Kh1 Kc8 24. b4 Nd7 25. Be2 Rdg8 26. Qe3 Nb6 27. Bf3 Nc4 28. Qa7 Bxe4 29. Qxa6+ Qb7 30. Qxb7+ Bxb7 31. Bxb7+ Kxb7 32. Rd7+ Kc6 33. Rxe7 Rg3 34. Nd1 Nd2 35. Rf2 Nf3 36. Rg2 Rxh2+ 37. Rxh2 Rg1# 0-1

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.07"]
[Round "3"]
[White "Herrera Perez, Martin Steven"]
[Black "Velez Alvarez, Laura Camila"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2046"]
[BlackElo "1830"]
[PlyCount "45"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. Ne2 Ngf6 7. Ng5 h6 8. Nf3 Bd6 9. Bf4 Qc7 10. Qd2 Bxf4 11. Nxf4 0-0 12. 0-0 b6 13. Rfe1 Re8 14. Ne5 Nxe5 15. dxe5 Nd5 16. Nh5 Ne7 17. Qf4 Ng6 18. Qg3 Qe7 19. Bd3 Kh7 20. Nf4 Qg5 21. Qxg5 hxg5 22. Bxg6+ fxg6 23. Ne2 1-0

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.07"]
[Round "2"]
[White "Montoya Zapata, Santiago"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1833"]
[BlackElo "2046"]
[PlyCount "51"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nge7 5. 0-0 d6 6. c3 d5 7. d3 dxe4 8. dxe4 Qxd1 9. Rxd1 b5 10. Nbd2 Bb7 11. Nb3 Ng6 12. Be3 c4 13. Nc5 Bxc5 14. Bxc5 Nge5 15. Ne1 g5 16. a4 a6 17. axb5 axb5 18. Rxa8+ Bxa8 19. f4 gxf4 20. gxf4 Ng6 21. Bd6 e5 22. fxe5 Ncxe5 23. Nc2 Nd3 24. Nd4 Kd7 25. Bg3 Bc6 26. Bh3+ 1-0

[Event "Medellin Flores op 20th"]
[Site "Medellin"]
[Date "2014.08.06"]
[Round "1"]
[White "Herrera Perez, Martin Steven"]
[Black "Vittorino, Carlo Giovanni"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "2046"]
[BlackElo "2277"]
[PlyCount "120"]
[EventDate "2014.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 Nbd7 9. Bc4 b5 10. Bb3 Bb7 11. Bh6 Bxh6 12. Qxh6 Rc8 13. Rd1 Qb6 14. Qg7 Rf8 15. Qh6 Ne5 16. 0-0 Nc6 17. Qe3 e5 18. Nf5 Qxe3+ 19. Nxe3 Nd4 20. Rd2 Ke7 21. Rfd1 Rfd8 22. Ncd5+ Nxd5 23. Bxd5 Bxd5 24. Nxd5+ Ke6 25. c3 Nc6 26. Kf2 f5 27. Ke3 Na5 28. b3 Nc6 29. Rd3 a5 30. Nb6 Rb8 31. Nd5 Rb7 32. R3d2 Rdd7 33. Rc1 f4+ 34. Kd3 g5 35. h3 h5 36. Rdd1 Rh7 37. Rh1 Rh8 38. c4 bxc4+ 39. Rxc4 Nb4+ 40. Nxb4 axb4 41. Kc2 Rb6 42. Kb1 Rd8 43. Rd1 g4 44. hxg4 hxg4 45. Rc2 d5 46. Rxd5 Rxd5 47. exd5+ Kxd5 48. Rd2+ Ke6 49. Kb2 Rd6 50. Re2 Rd3 51. fxg4 Kd5 52. a3 bxa3+ 53. Kxa3 e4 54. g5 Rg3 55. Ka4 e3 56. b4 Rxg5 57. b5 Kd4 58. b6 Kd3 59. b7 Rg8 60. Rb2 e2 0-1

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "6"]
[White "Herrera Perez, Martin Steven"]
[Black "Arismendi Polanco, Efrain Steven"]
[Result "1-0"]
[ECO "C86"]
[WhiteElo "2045"]
[BlackElo "1848"]
[PlyCount "79"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. Qe2 d6 7. c3 Be7 8. 0-0 0-0 9. Rd1 Be6 10. Bc2 d5 11. d4 dxe4 12. Nxe5 Bd5 13. Nd2 Bd6 14. Nxe4 Nxe4 15. Bxe4 Bxe4 16. Qxe4 Bxe5 17. Qxc6 Re8 18. Qf3 Bd6 19. Be3 Re6 20. Re1 c6 21. Rad1 Qe7 22. d5 cxd5 23. Rxd5 Re8 24. g3 h6 25. Red1 Rc8 26. Qf5 Rc6 27. Qd3 Rg6 28. Kg2 Kh8 29. Rf5 Kg8 30. Qd5 Rc8 31. Qf3 b4 32. Bd4 Re6 33. Rd5 Rg6 34. Qd3 Rc6 35. c4 Kh7 36. b3 Kg8 37. Be3 Kh8 38. Rf5 Rc8 39. Qd5 Rc7 40. c5 1-0

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "2"]
[White "Herrera Perez, Martin Steven"]
[Black "Martinez, Jorge Alexander"]
[Result "1/2-1/2"]
[ECO "B94"]
[WhiteElo "2045"]
[BlackElo "2210"]
[PlyCount "32"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 Qb6 8. Nb3 h6 9. Bxf6 Qe3+ 10. Qe2 Qxe2+ 11. Bxe2 Nxf6 12. Bf3 e6 13. 0-0 Be7 14. Rad1 0-0 15. Kh1 Rb8 16. Rfe1 b5 1/2-1/2

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "10"]
[White "Herrera Perez, Martin Steven"]
[Black "Ramirez, Benjamin Dario"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2045"]
[BlackElo "2235"]
[PlyCount "60"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 d5 7. h3 Be7 8. Bd3 0-0 9. 0-0 h6 10. Bf4 c5 11. dxc5 Bxc5 12. Ne2 Nc6 13. c3 Be6 14. Ned4 Bd6 15. Qd2 a6 16. Rfe1 Re8 17. Bxd6 Qxd6 18. Ne2 Bd7 19. Nfd4 Rad8 20. Nf5 Bxf5 21. Bxf5 Re5 22. Bc2 Rde8 23. Rad1 Qe7 24. Kf1 Ne4 25. Bxe4 dxe4 26. b3 e3 27. fxe3 Rxe3 28. Ng1 Re6 29. Rxe6 Qxe6 30. a4 Qxb3 0-1

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "8"]
[White "Herrera Perez, Martin Steven"]
[Black "Rojas Barrero, Andres Humberto"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2045"]
[BlackElo "2187"]
[PlyCount "46"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Qe2 Bc5 7. 0-0 d6 8. h3 0-0 9. Bg5 Qe8 10. Bxf6 Rxf6 11. Bxc6 bxc6 12. Nbd2 Qh5 13. Kh2 Be6 14. Rg1 Rh6 15. Qf1 Rf8 16. Re1 Bxf2 17. Qxf2 Bxh3 18. Qh4 Qe8 19. Qxh6 gxh6 20. gxh3+ Kh8 21. Rg3 Qb8 22. b3 Qb4 23. c4 Qa3 1/2-1/2

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "11"]
[White "Martinez Arroyo, Luis Alberto"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1866"]
[BlackElo "2045"]
[PlyCount "68"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. Nge2 Bg7 6. 0-0 Nge7 7. d3 0-0 8. f4 d6 9. Be3 Nd4 10. g4 f5 11. exf5 gxf5 12. g5 Ng6 13. Ng3 Rb8 14. a4 a6 15. a5 Nc6 16. Bxc6 bxc6 17. Nh5 Bh8 18. d4 cxd4 19. Bxd4 e5 20. Be3 exf4 21. Nxf4 Qxg5+ 22. Kh1 Qe7 23. Qd3 Bb7 24. Rae1 Bxc3 25. bxc3 c5+ 26. Nd5 c4 27. Qxc4 Qe6 28. Rd1 Ne7 29. Ba7 Bxd5+ 30. Qxd5 Qxd5+ 31. Rxd5 Nxd5 32. Bxb8 Rxb8 33. Rxf5 Rb1+ 34. Kg2 Ne3+ 0-1

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "9"]
[White "Moran, Daniel Stiven"]
[Black "Herrera Perez, Martin Steven"]
[Result "1/2-1/2"]
[ECO "E41"]
[WhiteElo "2140"]
[BlackElo "2045"]
[PlyCount "147"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nge2 c5 7. 0-0 cxd4 8. exd4 d5 9. Bg5 dxc4 10. Bxc4 Be7 11. Nf4 0-0 12. Qd3 Nc6 13. Rad1 Qxd4 14. Qxd4 Nxd4 15. Rxd4 e5 16. Bxf6 Bxf6 17. Rd7 Bc8 18. Rc7 exf4 19. Re1 Bf5 20. Nd5 Bd8 21. Rc6 g5 22. Ne7+ Bxe7 23. Rxe7 Bg6 24. Re5 Rae8 25. Rxe8 Rxe8 26. h4 g4 27. Kh2 Re7 28. Ba6 Kg7 29. h5 Bxh5 30. Rc4 g3+ 31. fxg3 fxg3+ 32. Kxg3 Be2 33. Ra4 Bxa6 34. Rxa6 Re2 35. b3 Re7 36. Kf4 f6 37. Ra4 Kg6 38. g3 Kg7 39. Rc4 Kg6 40. a4 Re1 41. b4 Re7 42. Rc8 Rd7 43. Ke4 Kf7 44. Rh8 Ke6 45. g4 Rc7 46. Re8+ Kf7 47. Ra8 Ke6 48. Kd4 Rg7 49. Kc4 Rxg4+ 50. Kb5 Rg7 51. a5 bxa5 52. bxa5 f5 53. Kc4 Rd7 54. a6 f4 55. Re8+ Kf5 56. Rf8+ Kg4 57. Rg8+ Kh3 58. Rf8 Kg3 59. Rg8+ Kf2 60. Rb8 Rd6 61. Kb5 Rd1 62. Rb7 h5 63. Rxa7 h4 64. Rh7 Kg3 65. Rg7+ Kf2 66. Rg4 f3 67. Rxh4 Kg3 68. Rh8 f2 69. Rg8+ Kh4 70. Rf8 f1Q+ 71. Rxf1 Rxf1 72. a7 Ra1 73. Kb6 Rxa7 74. Kxa7 1/2-1/2

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "7"]
[White "Palacio Padilla, Pablo Persi"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1915"]
[BlackElo "2045"]
[PlyCount "68"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 e6 3. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. 0-0 a6 7. d4 cxd4 8. Nxd4 Bxg2 9. Nxe6 dxe6 10. Qxd8+ Kxd8 11. Kxg2 Kc7 12. a3 Nbd7 13. b4 Be7 14. h3 Rac8 15. Be3 Kb7 16. c5 bxc5 17. bxc5 Bxc5 18. Bd2 Nb6 19. Rab1 Ka7 20. Rb3 Nc4 21. Bf4 Nh5 22. Bg5 h6 23. Bc1 Rb8 24. Rxb8 Rxb8 25. a4 Nf6 26. Rd1 Rb3 27. Na2 Nb6 28. Bf4 Nfd5 29. a5 Nxf4+ 30. gxf4 Nd5 31. e3 Bxe3 32. f5 Rb2 33. fxe6 fxe6 34. Nc1 Rb1 0-1

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "5"]
[White "Sosa Florez, Juan Sebastian"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1767"]
[BlackElo "2045"]
[PlyCount "65"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 d6 7. Qd2 Rb8 8. Nge2 Qb6 9. Nd1 Nd4 10. Nc1 e5 11. c3 Ne6 12. 0-0 Ne7 13. Bh6 0-0 14. Bxg7 Kxg7 15. Ne2 Bd7 16. Ne3 Bc6 17. f4 exf4 18. Nxf4 Nxf4 19. Nc4 Qd8 20. Qxf4 Nc8 21. e5 Bxg2 22. Kxg2 b5 23. Ne3 Rb6 24. Ng4 dxe5 25. Qxe5+ f6 26. Qe3 Qd5+ 27. Kg1 Re6 28. Qh6+ Kg8 29. Rae1 Rxe1 30. Rxe1 Qxd3 31. Nxf6+ Kf7 32. Qxh7+ Kxf6 33. Rf1+ 1-0

[Event "COL-ch sf"]
[Site "Medellin"]
[Date "2014.??.??"]
[Round "3"]
[White "Vargas Arteaga, Alexis"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2264"]
[BlackElo "2045"]
[PlyCount "77"]
[EventDate "2014.04.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. 0-0 d5 9. Ne5 Nfd7 10. Nxd7 Nxd7 11. Bc3 0-0 12. Nd2 Rc8 13. e4 dxe4 14. Nxe4 Nf6 15. a4 Nxe4 16. Bxe4 Bf6 17. Qd3 h6 18. Rfd1 c5 19. d5 exd5 20. Bxd5 Bxc3 21. Qxc3 Qc7 22. Qf3 Rb8 23. Ra2 Bb7 24. Rad2 Bxd5 25. Qxd5 Rbe8 26. Qf5 Rd8 27. Rd7 Qb8 28. Qxf7+ Rxf7 29. Rxd8+ Qxd8 30. Rxd8+ Kh7 31. Kg2 Kg6 32. f4 Re7 33. Rd6+ Kh7 34. Kf2 Kg8 35. Rd5 Kf7 36. Kf3 Kf8 37. a5 Re6 38. Rd8+ Kf7 39. Rd7+ 1-0

[Event "Central America-ch U18 4th"]
[Site "Armenia"]
[Date "2013.11.05"]
[Round "6"]
[White "Fallas Saborio, Alejandro"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "E20"]
[BlackElo "1956"]
[PlyCount "87"]
[EventDate "2013.11.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. a3 Be7 6. Nf3 Bb7 7. g3 c5 8. dxc5 Bxc5 9. Bg2 a6 10. 0-0 Qc7 11. Bf4 Qc8 12. Qc2 0-0 13. Rac1 Bc6 14. b4 Be7 15. Na4 Qb7 16. c5 b5 17. Nc3 Rd8 18. Rfd1 Ne8 19. Ne1 Bxg2 20. Nxg2 d6 21. cxd6 Nxd6 22. Bxd6 Rxd6 23. Rxd6 Bxd6 24. Ne4 Bf8 25. Ng5 g6 26. Qc7 Ra7 27. Qd8 Nc6 28. Qd3 Ne5 29. Qd8 Nc4 30. Nxh7 Kxh7 31. Qxf8 Qe7 32. Qxe7 Rxe7 33. a4 Rd7 34. axb5 axb5 35. Ne3 Nxe3 36. fxe3 Rd2 37. Kf2 Rb2 38. Rc7 Kg7 39. Rc6 Rxb4 40. Rb6 Kf6 41. Kf3 Ke5 42. e4 f6 43. e3 Rb1 44. h4 0-1

[Event "Central America-ch U18 4th"]
[Site "Armenia"]
[Date "2013.11.05"]
[Round "1"]
[White "Granados Ortiz, Fidel"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1751"]
[BlackElo "1956"]
[PlyCount "60"]
[EventDate "2013.11.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Be3 Qc7 7. 0-0 Nf6 8. Nc3 b5 9. h3 Bb7 10. Re1 Be7 11. Qd2 Rc8 12. Nf3 0-0 13. Bg5 d6 14. Rad1 Rfd8 15. Ne2 h6 16. Bh4 Ne5 17. Nxe5 dxe5 18. Qc1 Nxe4 19. Bxe7 Qxe7 20. Bxe4 Rxd1 21. Qxd1 Bxe4 22. Nc3 Bg6 23. a3 Qc7 24. Qe2 f6 25. f4 e4 26. Nxe4 Qxf4 27. Nc3 e5 28. Nd5 Qd4+ 29. Ne3 Rxc2 30. Qg4 Qxg4 0-1

[Event "Central America-ch U18 4th"]
[Site "Armenia"]
[Date "2013.11.05"]
[Round "2"]
[White "Herrera Perez, Martin Steven"]
[Black "Blandon, Luis Guillermo"]
[Result "1/2-1/2"]
[ECO "B55"]
[WhiteElo "1956"]
[BlackElo "2152"]
[PlyCount "107"]
[EventDate "2013.11.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. Qe2 g6 8. b3 Bg7 9. Bb2 0-0 10. 0-0 a5 11. a4 Qb6 12. Na3 Ba6 13. Bxa6 Rxa6 14. Rad1 Ra7 15. Kh1 Rd8 16. Bd4 c5 17. Bc3 Qc6 18. f3 e6 19. Qb5 Qa8 20. Qe2 d5 21. Nb5 Rb7 22. e5 Nd7 23. Qe1 Rf8 24. f4 g5 25. f5 exf5 26. Rxd5 Rxb5 27. Rxd7 Qc8 28. Qd2 Rb6 29. Rd1 h6 30. Qd3 Re6 31. Qxf5 c4 32. Qh3 cxb3 33. cxb3 Qc5 34. R7d5 Qc7 35. Bxa5 Qc2 36. Qd3 Qf2 37. Bb4 Rfe8 38. Bd6 Bxe5 39. Bxe5 Rxe5 40. Rxe5 Rxe5 41. h3 Re1+ 42. Rxe1 Qxe1+ 43. Kh2 Qe5+ 44. Qg3 Qc5 45. h4 f6 46. hxg5 hxg5 47. Qb8+ Kg7 48. Qb7+ Kg6 49. Qb8 g4 50. b4 Qc2 51. a5 Qf2 52. a6 Qh4+ 53. Kg1 Qe1+ 54. Kh2 1/2-1/2

[Event "Central America-ch U18 4th"]
[Site "Armenia"]
[Date "2013.11.05"]
[Round "5"]
[White "Herrera Perez, Martin Steven"]
[Black "Jimenez Garcia, Emanuel"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "1956"]
[BlackElo "2064"]
[PlyCount "90"]
[EventDate "2013.11.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Nbd7 9. Qf3 Be7 10. 0-0-0 Qc7 11. g4 b5 12. Bxf6 gxf6 13. a3 Bb7 14. Kb1 Nb6 15. Na5 Rc8 16. Nxb7 Qxb7 17. f5 Nc4 18. Bxc4 bxc4 19. Ka2 Rb8 20. Rb1 Qc6 21. Rhd1 Rb7 22. h4 h6 23. Qe2 0-0 24. Qf3 Qc5 25. Rg1 Rfb8 26. Na4 Qe5 27. Qc3 Qxc3 28. Nxc3 Rd8 29. Rbd1 Rbd7 30. Rg2 d5 31. exd5 exd5 32. Rgd2 d4 33. Ne2 Bc5 34. b3 d3 35. cxd3 Be3 36. Rb2 Rxd3 37. Rf1 cxb3+ 38. Ka1 a5 39. a4 Rb8 40. Nf4 Rd4 41. Ne2 Rxa4+ 42. Kb1 Rab4 43. Rf3 Bc5 44. Rc3 Bd6 45. Nd4 Rxd4 0-1

[Event "Central America-ch U18 4th"]
[Site "Armenia"]
[Date "2013.11.05"]
[Round "4"]
[White "Herrera Perez, Martin Steven"]
[Black "Quib Sican, Hugo Rafael"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1956"]
[PlyCount "139"]
[EventDate "2013.11.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 c6 5. Be3 h5 6. Bd3 Qb6 7. Na4 Qc7 8. Ne2 Nd7 9. 0-0 c5 10. Nac3 Ngf6 11. f3 0-0 12. Rc1 b6 13. Qd2 Kh7 14. Rfd1 Ba6 15. b3 Rad8 16. Kh1 cxd4 17. Nxd4 Nc5 18. Bf1 Nfd7 19. Nd5 Qb7 20. b4 e6 21. Nc3 Qc8 22. bxc5 dxc5 23. Ndb5 Bxb5 24. Nxb5 Ne5 25. Qc2 Qb8 26. Nc3 Nc6 27. Ne2 Bd4 28. Nxd4 Nxd4 29. Bxd4 cxd4 30. Qf2 Qf4 31. g3 Qf6 32. f4 e5 33. Bd3 g5 34. Rf1 Kg7 35. fxe5 Qxe5 36. Qf5 f6 37. Qxe5 fxe5 38. Kg2 Rfe8 39. Rf5 Kg6 40. Rcf1 Rd6 41. h4 gxh4 42. gxh4 Kh6 43. Rf6+ Rxf6 44. Rxf6+ Kg7 45. Rf5 Kg6 46. a4 Rg8 47. Rg5+ Kf7 48. Rxg8 Kxg8 49. Be2 Kg7 50. Bxh5 Kf6 51. Be2 Ke6 52. Kg3 Kd6 53. h5 Kc5 54. h6 Kb4 55. h7 Kxa4 56. h8Q Kb4 57. Qxe5 Kc3 58. Qc7 Kd2 59. Kf3 d3 60. Bxd3 Kxd3 61. Qxa7 Kxc4 62. Qxb6 Kd3 63. Qb4 Kc2 64. Qa3 Kb1 65. Qd3+ Kb2 66. Ke2 Ka1 67. Qd2 Kb1 68. Kd3 Ka1 69. Kc3 Kb1 70. Qb2# 1-0

[Event "Central America-ch U18 4th"]
[Site "Armenia"]
[Date "2013.11.05"]
[Round "3"]
[White "Ortiz Perez, Carlos"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "1901"]
[BlackElo "1956"]
[PlyCount "73"]
[EventDate "2013.11.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Nb3 a6 7. Bd2 b5 8. a3 Bb7 9. Bd3 Rc8 10. 0-0 Nf6 11. Kh1 Ne5 12. f4 Nxd3 13. cxd3 d5 14. e5 Nd7 15. Rc1 Qb8 16. Be3 Be7 17. f5 exf5 18. Rxf5 0-0 19. d4 Rfe8 20. Qf3 f6 21. exf6 Nxf6 22. Bf4 Qa7 23. Be5 Ba8 24. Rf1 Rf8 25. Nc5 Rf7 26. Ne6 Rc6 27. Ng5 Rf8 28. Nxd5 Rb6 29. Nxf6+ Rbxf6 30. Qb3+ Kh8 31. Bxf6 Bxf6 32. Ne6 Re8 33. d5 Qd7 34. h3 Bxd5 35. Qxd5 Qxd5 36. Rxd5 Rxe6 37. Rd8+ 1-0

[Event "Central America-chT U16 4th"]
[Site "Armenia"]
[Date "2013.11.04"]
[Round "7"]
[White "Gutierrez Anaya, Yeison Joel"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2063"]
[BlackElo "2028"]
[PlyCount "94"]
[EventDate "2013.11.04"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Venezuela"]
[BlackTeam "Colombia"]
[WhiteTeamCountry "VEN"]
[BlackTeamCountry "COL"]

1. c4 c5 2. Nc3 e6 3. d3 b6 4. g3 Bb7 5. e4 d6 6. Bg2 Qc7 7. Nge2 a6 8. 0-0 Nf6 9. f4 Nc6 10. h3 Be7 11. Be3 0-0 12. f5 Rae8 13. Qd2 Qd8 14. Rf2 e5 15. g4 h6 16. Raf1 Nd4 17. Nd5 Nxd5 18. exd5 Bg5 19. f6 gxf6 20. Ng3 Bc8 21. Ne4 Kg7 22. Ng3 Rh8 23. Nh5+ Kf8 24. Bxg5 hxg5 25. Rxf6 Re7 26. Qxg5 Rg8 27. Qh6+ Ke8 28. Ng7+ Kd7 29. Rxf7 Qe8 30. Qe6+ Nxe6 31. dxe6+ Kc7 32. Nxe8+ Rgxe8 33. Bd5 b5 34. g5 Kd8 35. h4 Rg8 36. Kh2 Bxe6 37. Bxe6 Rxe6 38. Rf8+ Rxf8 39. Rxf8+ Ke7 40. Rh8 e4 41. dxe4 Rxe4 42. Rh7+ Ke6 43. cxb5 axb5 44. Rh6+ Kf5 45. Rf6+ Kg4 46. Rxd6 Re2+ 47. Kg1 Rxb2 0-1

[Event "Central America-chT U16 4th"]
[Site "Armenia"]
[Date "2013.11.04"]
[Round "1"]
[White "Herrera Perez, Martin Steven"]
[Black "Delgado Rosas, Alex Antonio"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2028"]
[PlyCount "81"]
[EventDate "2013.11.04"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Colombia"]
[BlackTeam "Panama"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "PAN"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Be7 9. Qf3 h6 10. Bh4 0-0 11. 0-0-0 Re8 12. Bf2 Qc7 13. g4 Nc6 14. Rg1 d5 15. e5 Nd7 16. h4 g6 17. Bg3 b5 18. Kb1 Bb7 19. Ne2 Nc5 20. Nbd4 Nxd4 21. Nxd4 b4 22. f5 a5 23. Qe3 Bf8 24. Bf4 Kh7 25. Be2 Ne4 26. Bd3 Rac8 27. Rg2 a4 28. Rh2 a3 29. Bxe4 dxe4 30. c4 bxc3 31. b3 c2+ 32. Rxc2 Qb6 33. h5 g5 34. Bg3 Rxc2 35. Nxc2 Qxe3 36. Nxe3 Rc8 37. Nc4 Bc5 38. Be1 Ba6 39. Rc1 Bxc4 40. Rxc4 Be3 41. Rxc8 1-0

[Event "Central America-chT U16 4th"]
[Site "Armenia"]
[Date "2013.11.04"]
[Round "3"]
[White "Herrera Perez, Martin Steven"]
[Black "Granados Ortiz, Fidel"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2028"]
[BlackElo "1751"]
[PlyCount "117"]
[EventDate "2013.11.04"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Colombia"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "NCA"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 Bg4 7. Be2 g6 8. Nc3 Bg7 9. b3 0-0 10. 0-0 Nc6 11. Be3 Re8 12. h3 Bxf3 13. Bxf3 e6 14. Qd2 d5 15. c5 Nd7 16. Rfe1 Nf6 17. a3 Qd7 18. b4 e5 19. dxe5 Nxe5 20. Be2 Rad8 21. Rad1 Nc6 22. Nb5 Ne4 23. Qc2 d4 24. Bf4 Bf8 25. Bd3 Nf6 26. Rxe8 Rxe8 27. Nd6 Bxd6 28. Bxd6 Ne5 29. Bf1 b6 30. Rxd4 Qe6 31. Rd1 bxc5 32. bxc5 Rc8 33. Qe2 Ned7 34. Qxe6 fxe6 35. Ba6 Re8 36. c6 Nb6 37. Be5 Kf7 38. c7 h5 39. a4 Nfd5 40. a5 g5 41. axb6 Nxb6 42. Rb1 Kg6 43. Rxb6 axb6 44. c8Q Rxc8 45. Bxc8 Kf5 46. Bb2 Ke4 47. Bxe6 Kd3 48. Bf6 g4 49. hxg4 hxg4 50. Bxg4 b5 51. f4 b4 52. Be5 b3 53. f5 b2 54. Bxb2 Kc4 55. f6 Kd5 56. f7 Kd6 57. f8Q+ Kc6 58. Bf3+ Kb5 59. Qf5+ 1-0

[Event "Central America-chT U16 4th"]
[Site "Armenia"]
[Date "2013.11.04"]
[Round "6"]
[White "Herrera Perez, Martin Steven"]
[Black "Vaglio Mattey, Emanuel"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2028"]
[BlackElo "2058"]
[PlyCount "85"]
[EventDate "2013.11.04"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Colombia"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "CRI"]

1. e4 c6 2. d4 g6 3. c4 d5 4. cxd5 cxd5 5. e5 Nc6 6. Nc3 Nh6 7. Be3 Nf5 8. Qd2 h5 9. Nf3 e6 10. Be2 Bg7 11. 0-0 0-0 12. Rac1 Bd7 13. Rfd1 Rc8 14. Nb5 a6 15. Nc3 Na5 16. b3 b5 17. Bd3 Nxe3 18. Qxe3 Qe7 19. Ne2 Nc6 20. Bb1 Nb4 21. Qd2 a5 22. Ne1 Kh7 23. f4 f6 24. a3 Nc6 25. Qd3 Qf7 26. Nf3 b4 27. a4 Bh6 28. g3 Ne7 29. Kg2 Nf5 30. exf6 Qxf6 31. Ne5 Qe7 32. Ng1 h4 33. Ngf3 hxg3 34. hxg3 Rxc1 35. Rxc1 Rc8 36. Rh1 Rg8 37. Ng5+ Kg7 38. Ngf3 Be8 39. g4 Nd6 40. g5 Bxg5 41. Nxg5 Nf5 42. Rh7+ Kf6 43. Ng4# 1-0

[Event "Central America-chT U16 4th"]
[Site "Armenia"]
[Date "2013.11.04"]
[Round "2"]
[White "Lugo Roldan, Jean Paul"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "1762"]
[BlackElo "2028"]
[PlyCount "106"]
[EventDate "2013.11.04"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Puerto Rico"]
[BlackTeam "Colombia"]
[WhiteTeamCountry "PUR"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 d5 8. Ne5 c5 9. cxd5 Nxd5 10. dxc5 Nxc3 11. Qxd8 Nxe2+ 12. Kh1 Bxg2+ 13. Kxg2 Rxd8 14. cxb6 axb6 15. Be3 Bc5 16. Rfe1 Nd4 17. Rad1 Nbc6 18. Bxd4 Nxd4 19. a3 f6 20. Nc4 Rab8 21. b4 Bf8 22. Rd2 e5 23. Red1 Rdc8 24. Ne3 Kf7 25. f4 Rc3 26. Ng4 Bd6 27. fxe5 fxe5 28. Rf1+ Ke6 29. Re1 Kd5 30. Ne3+ Kc6 31. Red1 Rxe3 32. Rc1+ Kb7 33. Rf2 Re2 34. Rxe2 Nxe2 35. Rc2 Nd4 36. Rf2 Rc8 37. Rf7+ Rc7 38. Rf2 Rc2 39. Kf1 Rxf2+ 40. Kxf2 Kc6 41. Ke3 Kb5 42. Ke4 Ka4 43. Kd5 Bc7 44. Kc4 Kxa3 45. b5 Ka4 46. h4 h5 47. Kd5 Kxb5 48. Ke4 Kc5 49. Kd3 b5 50. Kc3 b4+ 51. Kb2 b3 52. Kc3 e4 53. Kd2 b2 0-1

[Event "Central America-chT U16 4th"]
[Site "Armenia"]
[Date "2013.11.04"]
[Round "4"]
[White "Ortiz Perez, Carlos"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1758"]
[BlackElo "2028"]
[PlyCount "89"]
[EventDate "2013.11.04"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Guatemala"]
[BlackTeam "Colombia"]
[WhiteTeamCountry "GUA"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nb3 b5 8. Be3 Bb7 9. a3 Rc8 10. 0-0 Nf6 11. Kh1 Be7 12. f4 d6 13. Qf3 0-0 14. Qh3 g6 15. f5 exf5 16. exf5 Ne5 17. fxg6 hxg6 18. Bg5 Nh7 19. Bxe7 Qxe7 20. Rae1 Qg5 21. Ne4 Bxe4 22. Rxe4 Rc7 23. Nd4 Qe7 24. Rh4 f5 25. Qg3 Kh8 26. Rh6 Re8 27. Qh3 Qg7 28. Nf3 Ng4 29. Rh4 Kg8 30. Qg3 Rd7 31. a4 g5 32. Rh5 Ngf6 33. Bxf5 Nxh5 34. Qg4 N5f6 35. Qg3 Rde7 36. Bxh7+ Nxh7 37. Qxd6 Qf6 38. Qd5+ Qe6 39. Qxe6+ Rxe6 40. Nd4 Re1 41. Kg1 Rxf1+ 42. Kxf1 Rd8 43. c3 b4 44. Kf2 bxc3 45. bxc3 0-1

[Event "Central America-chT U18 4th"]
[Site "Armenia"]
[Date "2013.11.03"]
[Round "4"]
[White "Gutierrez Suarez, Marcos Antonio"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1728"]
[BlackElo "2045"]
[PlyCount "73"]
[EventDate "2013.11.02"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Guatemala"]
[BlackTeam "Colombia"]
[WhiteTeamCountry "GUA"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Nbd2 0-0 7. 0-0 d5 8. cxd5 Bxd5 9. a3 Be7 10. Qc2 Nbd7 11. e4 Bb7 12. b4 c5 13. bxc5 bxc5 14. Rb1 Qc7 15. Bb2 Rac8 16. Rfc1 Qb8 17. d5 exd5 18. Bxf6 Nxf6 19. e5 Nd7 20. Qf5 Nb6 21. a4 Nxa4 22. Qd7 Nb6 23. Qxe7 Rfe8 24. Qh4 c4 25. Qd4 Qc7 26. Rc3 Bc6 27. Rbc1 Ba8 28. Nb1 Na4 29. Re3 Nc5 30. Nc3 Nb3 31. Qd1 Nxc1 32. Qxc1 d4 33. Nxd4 Bxg2 34. Kxg2 Rxe5 35. Ne4 Qe7 36. Qc2 f5 37. Nc6 0-1

[Event "Central America-chT U18 4th"]
[Site "Armenia"]
[Date "2013.11.02"]
[Round "1"]
[White "Herrera Perez, Martin Steven"]
[Black "Tapia Ostolaza, Alexei"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2045"]
[BlackElo "1926"]
[PlyCount "157"]
[EventDate "2013.11.02"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Colombia"]
[BlackTeam "Panama"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "PAN"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Ng3 e5 6. dxe5 Qxd1+ 7. Kxd1 Ng4 8. Ke1 Nxe5 9. f4 Ng4 10. h3 Nf6 11. Kf2 h5 12. Bd3 Nbd7 13. Nf3 Bc5+ 14. Kf1 Bb6 15. Bd2 0-0 16. c4 Nc5 17. Bc2 Ne6 18. Ne2 Nc5 19. Nc3 Be6 20. b3 g6 21. Be1 Rad8 22. Ne5 Ncd7 23. Nf3 Nc5 24. Bf2 Nd3 25. Bxb6 axb6 26. g3 Bf5 27. Rh2 Rfe8 28. Nh4 Ne4 29. Nxe4 Bxe4 30. Re2 Rd7 31. Rd1 Kf8 32. Rxe4 Rxe4 33. Rxd3 Rxd3 34. Bxd3 Re3 35. Be2 Rxg3 36. Nf3 h4 37. Nxh4 Rxh3 38. Nf3 Rh1+ 39. Kf2 Ra1 40. Ne5 Rxa2 41. Nd7+ Ke7 42. Nxb6 Rb2 43. Na4 Rxb3 44. Nc5 Rb2 45. Ke3 b5 46. Nd3 Rb3 47. cxb5 cxb5 48. Ke4 Rc3 49. Nb4 Rb3 50. Nd5+ Kd6 51. Ne3 Rb4+ 52. Kf3 Kc5 53. f5 Rb3 54. Ke4 gxf5+ 55. Nxf5 b4 56. Bh5 f6 57. Ne3 Rc3 58. Nd1 Rc4+ 59. Kd3 Rd4+ 60. Kc2 Rh4 61. Bg6 Rg4 62. Bd3 Kd4 63. Bh7 Rg3 64. Kc1 b3 65. Kb2 Kc4 66. Bf5 Kb4 67. Bh7 Rg2+ 68. Kc1 Ka3 69. Bd3 Rg1 70. Kd2 b2 71. Nc3 Rg2+ 72. Ke3 Kb3 73. Ne4 f5 74. Nd2+ Kc3 75. Nb1+ Kb3 76. Bxf5 Rg3+ 77. Kf2 Rc3 78. Nxc3 Kxc3 79. Bb1 1/2-1/2

[Event "Bogota IRT Categoria B U17"]
[Site "Bogota"]
[Date "2013.10.24"]
[Round "5.2"]
[White "Blandon, Luis Guillermo"]
[Black "Herrera Perez, Martin Steven"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "2152"]
[BlackElo "2044"]
[PlyCount "37"]
[EventDate "2013.10.22"]
[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. Nc3 Qc7 6. Be2 Nf6 7. 0-0 Nc6 8. Be3 Be7 9. f4 d6 10. Kh1 0-0 11. Bf3 Na5 12. g4 Nd7 13. g5 Rd8 14. Bg2 Bf8 15. Rf3 Nc4 16. Bc1 g6 17. f5 Ndb6 18. Qe1 d5 19. exd5 1/2-1/2

[Event "Bogota IRT Categoria B U17"]
[Site "Bogota"]
[Date "2013.10.23"]
[Round "4.4"]
[White "Herrera Perez, Martin Steven"]
[Black "Maldonado, Andres Felipe1111"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2044"]
[BlackElo "1642"]
[PlyCount "103"]
[EventDate "2013.10.22"]
[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. Bb5 Bc5 4. c3 Nf6 5. Qe2 0-0 6. 0-0 d6 7. d3 h6 8. Nbd2 Ne7 9. d4 exd4 10. cxd4 Bb6 11. Rd1 c6 12. Bd3 Ng6 13. Nc4 Qc7 14. Nxb6 axb6 15. Ne1 Re8 16. f3 Be6 17. a3 b5 18. Be3 Nd7 19. d5 Bxd5 20. exd5 Nf4 21. Qd2 Nxd5 22. Bf2 Nc5 23. Bxb5 Nb3 24. Qd3 Nxa1 25. Rxa1 Nf4 26. Qc2 Qe7 27. Bf1 Qg5 28. Kh1 Re6 29. Nd3 Nd5 30. Qb3 b5 31. Qc2 Rc8 32. Rd1 c5 33. Qd2 Qxd2 34. Rxd2 c4 35. Nb4 Nxb4 36. axb4 Rd8 37. Bb6 Ra8 38. Ba5 Ra7 39. Kg1 Rd7 40. g3 d5 41. Bh3 Re1+ 42. Kf2 Rde7 43. Bb6 Rh1 44. Bg2 Ra1 45. Bd4 Ra2 46. Bc3 Rd7 47. f4 Rda7 48. Rxd5 R7a3 49. Rd8+ Kh7 50. Be4+ f5 51. Bxf5+ g6 52. Rh8# 1-0

[Event "Bogota IRT Categoria B U17"]
[Site "Bogota"]
[Date "2013.10.23"]
[Round "3.1"]
[White "Ruiz Castillo, Joshua Daniel"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2399"]
[BlackElo "2044"]
[PlyCount "45"]
[EventDate "2013.10.22"]
[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. Nd2 Qc7 6. Bd3 Nf6 7. 0-0 d6 8. a4 b6 9. a5 b5 10. c4 bxc4 11. Nxc4 Nbd7 12. Qa4 Be7 13. Nb6 Rb8 14. Be3 0-0 15. Nc6 Ne5 16. Nxb8 Nxd3 17. Nc6 Nc5 18. Bxc5 dxc5 19. Nxe7+ Qxe7 20. Qc4 Bb7 21. f3 Nd7 22. Nxd7 Qxd7 23. Qxc5 1-0

[Event "Bogota IRT Categoria B U17"]
[Site "Bogota"]
[Date "2013.10.22"]
[Round "2.4"]
[White "Herrera Perez, Martin Steven"]
[Black "Lopez Valbuena, Fabian Danilo"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2044"]
[PlyCount "59"]
[EventDate "2013.10.22"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Be3 0-0 8. Nc3 Nc6 9. Qd2 Bd7 10. Rc1 Qa5 11. Be2 Rfc8 12. 0-0 a6 13. Rfd1 Ne5 14. b3 Rab8 15. Bg5 Nc6 16. Nc2 b5 17. Bxf6 Bxf6 18. Nd5 Kg7 19. Nxf6 Kxf6 20. Qh6 Qxa2 21. Ne3 Nb4 22. f4 Qxe2 23. e5+ dxe5 24. fxe5+ Ke6 25. Qh3+ f5 26. exf6+ Kxf6 27. Rxd7 Nc6 28. Ng4+ Kg7 29. Qh6+ Kh8 30. Nf6 1-0

[Event "Bogota IRT Categoria B U17"]
[Site "Bogota"]
[Date "2013.10.22"]
[Round "1.4"]
[White "Solano, James Paul"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1618"]
[BlackElo "2044"]
[PlyCount "54"]
[EventDate "2013.10.22"]
[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 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b6 5. Bg2 Bb7 6. 0-0 Nf6 7. d3 Qc7 8. Qc2 Nc6 9. e3 Rc8 10. a3 Be7 11. Re1 0-0 12. d4 cxd4 13. exd4 Na5 14. b3 d5 15. Bf4 Qd8 16. Ne5 dxc4 17. Bxb7 Nxb7 18. Nxc4 b5 19. Ne3 Qxd4 20. Rac1 Bxa3 21. Red1 Qb4 22. Ra1 Rxc3 23. Qa2 Qxb3 24. Qxb3 Rxb3 25. Nc2 b4 26. Nd4 Rc3 27. Bd2 Rc4 0-1

[Event "Bucaramanga Feria op 2nd"]
[Site "Bucaramanga"]
[Date "2013.09.22"]
[Round "7"]
[White "Herrera Perez, Martin Steven"]
[Black "Sanchez, Sebastian Felipe"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "2043"]
[BlackElo "2329"]
[PlyCount "46"]
[EventDate "2013.09.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. a4 Nf6 8. 0-0 Be7 9. Be3 0-0 10. f4 d6 11. Qe1 Re8 12. Nb3 b6 13. Qf2 Rb8 14. g4 Nd7 15. g5 Bf8 16. h4 Nc5 17. h5 Nb4 18. Bf3 g6 19. h6 Bb7 20. Rac1 d5 21. exd5 exd5 22. f5 Nxb3 23. Bxb6 Qxb6 0-1

[Event "Bucaramanga Feria op 2nd"]
[Site "Bucaramanga"]
[Date "2013.09.21"]
[Round "3"]
[White "Herrera Perez, Martin Steven"]
[Black "Rico Hernandez, Edgar"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2043"]
[BlackElo "1857"]
[PlyCount "51"]
[EventDate "2013.09.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Nf6 8. 0-0 Be7 9. f4 0-0 10. f5 exf5 11. Nxf5 Bxf5 12. Rxf5 Nbd7 13. Qf1 Bd6 14. h3 Qc7 15. c3 Nb6 16. Bd3 Nbd5 17. c4 Ne7 18. Rxf6 gxf6 19. Bh6 f5 20. Bxf8 Rxf8 21. Bxf5 Nxf5 22. Qxf5 Qe7 23. Rf1 Bb8 24. Nf4 Qe3+ 25. Kh1 Bd6 26. Qg5+ 1-0

[Event "Bucaramanga Feria op 2nd"]
[Site "Bucaramanga"]
[Date "2013.09.20"]
[Round "1"]
[White "Herrera Perez, Martin Steven"]
[Black "Guerra Verano, Diana"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "2043"]
[BlackElo "1568"]
[PlyCount "34"]
[EventDate "2013.09.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 d6 6. c4 e6 7. Nc3 Qc7 8. Be3 b6 9. Rc1 Bb7 10. Ndb5 Qe7 11. Be2 a6 12. Nd4 Qc7 13. Nd5 Qd8 14. Nxc6 Bxc6 15. Bxb6 Qb8 16. Nc7+ Ke7 17. Nxa8 Qxa8 1-0

[Event "Bucaramanga Feria op 2nd"]
[Site "Bucaramanga"]
[Date "2013.09.20"]
[Round "2"]
[White "Rincon R, Javier Duvan"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1628"]
[BlackElo "2043"]
[PlyCount "63"]
[EventDate "2013.09.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Qc7 4. Nc3 a6 5. Be2 Nf6 6. 0-0 d6 7. d4 cxd4 8. Nxd4 Nbd7 9. Be3 b6 10. a3 Bb7 11. f3 Rc8 12. Rc1 Be7 13. b4 Qb8 14. Qd2 0-0 15. Rfd1 Bd8 16. Nb3 Bc7 17. Bf1 Rfe8 18. Kh1 d5 19. exd5 exd5 20. Nxd5 Nxd5 21. cxd5 Bxh2 22. d6 Rxc1 23. Nxc1 Be5 24. Bc4 Qd8 25. Bg5 Bf6 26. Bf4 b5 27. Bb3 Nf8 28. Nd3 Bd4 29. Bg5 Qxd6 30. Nc5 Bxc5 31. Qxd6 Bxd6 32. Rxd6 0-1

[Event "Medellin Flores op 19th"]
[Site "Medellin"]
[Date "2013.08.07"]
[Round "9"]
[White "Herrera Perez, Martin Steven"]
[Black "Orozco Lopez, Lina Yomayra"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "2020"]
[BlackElo "2141"]
[PlyCount "103"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 e6 4. d4 cxd4 5. Nxd4 Nf6 6. f3 d6 7. Nc3 Be7 8. Be3 0-0 9. Rc1 b6 10. Be2 Bb7 11. 0-0 Nbd7 12. Qe1 Rc8 13. Qf2 Kh8 14. Rfd1 Qc7 15. b4 Qb8 16. a3 Bd8 17. Nb3 Bc7 18. g3 Rg8 19. a4 g5 20. g4 Rg6 21. h4 gxh4 22. Qxh4 Bd8 23. Qh2 Ne5 24. Bf4 Nfd7 25. Kf2 Kg8 26. Rh1 Nf8 27. Bh6 Ned7 28. Bd3 Bf6 29. f4 Bg7 30. Bxg7 Rxg7 31. Rhg1 b5 32. axb5 Qa7+ 33. Kf3 axb5 34. Nxb5 Qa4 35. N3d4 Qxb4 36. Rb1 Qc5 37. Nb3 Qb6 38. Qf2 Nc5 39. Nxc5 dxc5 40. Kg3 Rd8 41. Qe3 Qc6 42. e5 Ng6 43. Nd6 Ba6 44. Kh3 Rxd6 45. exd6 Qxd6 46. Bxg6 hxg6 47. Rgd1 Rh7+ 48. Kg3 Qc7 49. Qe5 Qxe5 50. fxe5 Bxc4 51. Rd8+ Kg7 52. Kf4 1-0

[Event "Medellin Flores op 19th"]
[Site "Medellin"]
[Date "2013.08.06"]
[Round "6"]
[White "Herrera Perez, Martin Steven"]
[Black "Andrade Truyol, Geiner Jose"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2020"]
[BlackElo "2027"]
[PlyCount "56"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. d3 d6 4. Nc3 Nf6 5. Be2 Be7 6. h3 0-0 7. exf5 Bxf5 8. g4 Be6 9. d4 Nfd7 10. d5 Bf7 11. Be3 c6 12. Qd2 Qa5 13. Rd1 Nf6 14. dxc6 bxc6 15. 0-0 Nbd7 16. g5 Nh5 17. b4 Qc7 18. b5 Rac8 19. Bd3 Be6 20. Be4 Bxh3 21. bxc6 Nf4 22. Nd5 Nxd5 23. Qxd5+ Kh8 24. cxd7 Qxd7 25. Nxe5 Qe8 26. Nf3 Qh5 27. Nh2 Bxf1 28. Nxf1 Bxg5 1-0

[Event "Medellin Flores op 19th"]
[Site "Medellin"]
[Date "2013.08.05"]
[Round "4"]
[White "Herrera Perez, Martin Steven"]
[Black "Arango, Andres Mauricio"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2020"]
[BlackElo "2140"]
[PlyCount "189"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 Be7 11. Bxf6 Bxf6 12. c3 Rb8 13. Nc2 0-0 14. a4 bxa4 15. Rxa4 a5 16. b3 Bg5 17. Bc4 Kh8 18. Nce3 g6 19. 0-0 f5 20. exf5 gxf5 21. Nc2 Be6 22. Kh1 Qd7 23. f3 Qf7 24. Nce3 Rfd8 25. f4 Bh6 26. g3 Bg7 27. Qc2 e4 28. g4 Rf8 29. gxf5 Bxf5 30. Nb4 Nxb4 31. cxb4 Qa7 32. Nxf5 Rxf5 33. Qxe4 Rbf8 34. bxa5 Be5 35. Qg2 Rxf4 36. Rxf4 Bxf4 37. Ra1 Be3 38. a6 Rd8 39. Rd1 Bd4 40. Qd5 Bc5 41. Rf1 Qg7 42. Qe4 Qd7 43. Rf7 Qh3 44. Qf3 Qxf3+ 45. Rxf3 d5 46. Bd3 Rd7 47. h3 Kg7 48. Kg2 Rc7 49. Rf5 Rd7 50. Kf3 Bb4 51. Kf4 Bd6+ 52. Kg5 Bb4 53. Kg4 Bd2 54. Rh5 h6 55. Re5 Kf6 56. Re2 Rg7+ 57. Kf3 Bb4 58. Ra2 Ra7 59. Bb5 Ke5 60. Bc6 Rf7+ 61. Kg4 Bc5 62. b4 Bb6 63. b5 d4 64. Bb7 Ba7 65. b6 Bxb6 66. a7 Bxa7 67. Rxa7 d3 68. Ra5+ Kd4 69. Bf3 Ke3 70. Re5+ Kf2 71. Bd1 Rb7 72. Kh5 Rb1 73. Bg4 Rb6 74. Rd5 Ke3 75. Rd8 d2 76. Re8+ Kd3 77. Be2+ Kc2 78. Rd8 Re6 79. Bg4 Rf6 80. h4 Rc6 81. Rg8 d1Q 82. Bxd1+ Kxd1 83. Rg6 Rc4 84. Rxh6 Ke2 85. Rf6 Ke3 86. Kg5 Rc1 87. h5 Rg1+ 88. Kf5 Rf1+ 89. Kg6 Rg1+ 90. Kf7 Ke4 91. h6 Ke5 92. Rg6 Rh1 93. Kg7 Ra1 94. h7 Ra8 95. h8Q 1-0

[Event "Medellin Flores op 19th"]
[Site "Medellin"]
[Date "2013.08.05"]
[Round "5"]
[White "Saladen Dulce, Rafael"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2219"]
[BlackElo "2020"]
[PlyCount "57"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Bb7 5. Nc3 d5 6. Bg5 Be7 7. e3 Nbd7 8. Bd3 0-0 9. 0-0 c5 10. Qe2 cxd4 11. exd4 dxc4 12. Bxc4 Re8 13. Rfe1 h6 14. Bh4 a6 15. Rad1 b5 16. Bb3 Bxf3 17. Qxf3 Nb6 18. Bg3 Nbd5 19. Nxd5 Nxd5 20. Re5 Nb6 21. d5 Nxd5 22. h4 Rf8 23. Qe4 Bf6 24. Bc2 g6 25. Rxe6 fxe6 26. Qxg6+ Bg7 27. Qxe6+ Rf7 28. Bb3 Raa7 29. Rxd5 1-0

[Event "Medellin Flores op 19th"]
[Site "Medellin"]
[Date "2013.08.04"]
[Round "2"]
[White "Herrera Perez, Martin Steven"]
[Black "Ruiz Aguilar, Pablo Alexander"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2020"]
[BlackElo "2276"]
[PlyCount "89"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 dxc6 7. f4 Bc5 8. Qe2 e5 9. f5 a5 10. Nc3 a4 11. Nd1 b5 12. g4 h6 13. Be3 Bxe3 14. Nxe3 a3 15. b3 Qd4 16. 0-0 h5 17. g5 Nxe4 18. Qf3 Bxf5 19. Bxe4 Qxe4 20. Nxf5 Qxf3 21. Rxf3 0-0-0 22. Ne7+ Kc7 23. Rxf7 Rd7 24. g6 Re8 25. Nf5 Re6 26. Rxd7+ Kxd7 27. Rd1+ Kc7 28. Nh4 e4 29. Rf1 Re5 30. Rf7+ Kb6 31. Rxg7 e3 32. Kf1 Re4 33. Nf3 Rg4 34. Rg8 Kc5 35. c3 b4 36. c4 e2+ 37. Kf2 e1Q+ 38. Kxe1 Kb6 39. g7 Kb7 40. Kf2 c5 41. Ne5 Rg5 42. Kf3 h4 43. Ke4 h3 44. Kd5 Ka7 45. Rd8 1-0

[Event "Medellin Flores op 19th"]
[Site "Medellin"]
[Date "2013.08.04"]
[Round "3"]
[White "Ruge, Edison"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2216"]
[BlackElo "2020"]
[PlyCount "85"]
[EventDate "2013.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 a6 5. d3 d6 6. g3 g6 7. Bg2 Bg7 8. 0-0 Nge7 9. Ne2 0-0 10. g4 f5 11. h3 Nd4 12. Ng3 Qc7 13. c3 Nxf3+ 14. Bxf3 Rb8 15. Qe2 Re8 16. Bd2 Bd7 17. Rae1 b5 18. h4 fxg4 19. Bxg4 d5 20. h5 c4 21. hxg6 hxg6 22. d4 dxe4 23. Nxe4 Nf5 24. Qh2 Kf7 25. Ng5+ Ke7 26. Bxf5 gxf5 27. Qh7 Kf6 28. Qh5 Bc6 29. Qh4 Kg6 30. Nxe6 Qd7 31. Qg5+ Kh7 32. Qxf5+ Kg8 33. Nxg7 Qxg7+ 34. Qg5 Qxg5+ 35. fxg5 Rxe1 36. Rxe1 Re8 37. Rxe8+ Bxe8 38. d5 Bf7 39. d6 Kf8 40. Kf2 Ke8 41. Bf4 Kd7 42. Ke3 a5 43. a3 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.06"]
[Round "9"]
[White "Herrera Perez, Martin Steven"]
[Black "Valle, Efrain"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1974"]
[BlackElo "2229"]
[PlyCount "46"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 Bg4 5. Be3 e5 6. d5 Nb8 7. h3 Bc8 8. Qd2 Be7 9. Be2 0-0 10. g4 c6 11. g5 Ne8 12. 0-0-0 Qa5 13. Kb1 c5 14. h4 f5 15. exf5 Bxf5 16. h5 Bg4 17. Nh4 Bxe2 18. Qxe2 Qd8 19. Rdg1 b5 20. Ng6 Rf7 21. Nh4 Rf8 22. Ng6 Rf7 23. Nh4 Rf8 1/2-1/2

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.05"]
[Round "7"]
[White "Mendoza, Rafael Enrique"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2334"]
[BlackElo "1974"]
[PlyCount "81"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Qe2 d6 8. c4 b6 9. Nc3 Bb7 10. b3 Be7 11. Bb2 h5 12. f4 Nbd7 13. f5 e5 14. Nf3 Nc5 15. Bc2 Rc8 16. b4 Ncd7 17. Bd3 0-0 18. Rac1 Qb8 19. a3 Rc7 20. Nd5 Bxd5 21. cxd5 b5 22. Rxc7 Qxc7 23. Rc1 Qa7+ 24. Qf2 Qxf2+ 25. Kxf2 Nb6 26. Rc6 Nfd7 27. Bc1 Rb8 28. Be3 Kf8 29. Nd2 Ke8 30. Nb3 Bh4+ 31. g3 Be7 32. h3 Kd8 33. Be2 h4 34. g4 g5 35. f6 Bxf6 36. Rxd6 Be7 37. Rc6 Na4 38. Rxa6 Nc3 39. Bd3 Nd1+ 40. Ke2 Nxe3 41. Kxe3 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.04"]
[Round "6"]
[White "Herrera Perez, Martin Steven"]
[Black "Martinez, Jorge Alexander"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1974"]
[BlackElo "2189"]
[PlyCount "81"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 gxf6 11. Bd3 Be6 12. c3 0-0 13. Qf3 Kh8 14. Nc2 Rg8 15. Nce3 Rb8 16. 0-0 Rg6 17. a4 Qc8 18. axb5 axb5 19. Ra2 Bf8 20. Nf5 b4 21. Rfa1 bxc3 22. bxc3 Rg5 23. Ra6 Bxf5 24. exf5 Ne7 25. Nxe7 Bxe7 26. Ra8 Rg8 27. Be4 Qc5 28. Rxb8 Rxb8 29. Ra8 Rxa8 30. Bxa8 Qa3 31. g3 Bd8 32. Bd5 Ba5 33. Qh5 Qc1+ 34. Kg2 Qg5 35. Qxf7 h5 36. h4 Qg4 37. f3 Qg7 38. Qxh5+ Qh7 39. Qe8+ Kg7 40. Qf7+ Kh8 41. Qf8+ 1-0

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.03"]
[Round "5"]
[White "Almanza, Rafael Andres"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B82"]
[WhiteElo "2186"]
[BlackElo "1974"]
[PlyCount "84"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Qf3 Qc7 8. g4 b5 9. g5 Nfd7 10. a3 Bb7 11. f5 e5 12. Nb3 Nc5 13. Nxc5 dxc5 14. Nd5 Bxd5 15. exd5 Bd6 16. Bd2 Nd7 17. 0-0-0 0-0-0 18. h4 Kb7 19. h5 c4 20. h6 g6 21. Bg2 a5 22. Rh4 Rc8 23. Kb1 Rhf8 24. Re1 Qb6 25. Ree4 Qa6 26. a4 bxa4 27. Bf1 a3 28. Bxc4 Qb6 29. b3 Nc5 30. Re1 a4 31. b4 Na6 32. Bxa6+ Qxa6 33. Qxa3 gxf5 34. Rc1 f4 35. Qa2 Rc4 36. c3 Rfc8 37. Kb2 Qb5 38. Qa3 Bxb4 39. cxb4 Rxc1 40. Bxc1 Qe2+ 41. Ka1 Qe1 42. Kb1 Rc3 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.03"]
[Round "4"]
[White "Herrera Perez, Martin Steven"]
[Black "Herrera, Juan Sebastian"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1974"]
[BlackElo "2205"]
[PlyCount "74"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. f4 b5 7. Bd3 Bb7 8. Qe2 b4 9. Nd1 Nf6 10. Nf2 d6 11. g4 e5 12. Nf3 Nc6 13. f5 Be7 14. Bg5 Nd7 15. Bd2 Nb6 16. 0-0-0 a5 17. Kb1 a4 18. Rc1 d5 19. exd5 Nxd5 20. Rhe1 0-0 21. g5 Bc5 22. Ne4 a3 23. b3 Nd4 24. Qf1 Nxf3 25. Qxf3 Bd4 26. f6 g6 27. Qh3 h5 28. gxh6 Nf4 29. Bxf4 exf4 30. h7+ Kh8 31. c4 Bxe4 32. Bxe4 Rae8 33. Bd5 Bxf6 34. Qf1 Kxh7 35. c5 Kg7 36. Qc4 Re3 37. Re2 Qe5 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.02"]
[Round "2"]
[White "Figeroa Salcedo, Reinaldo Arturo"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1717"]
[BlackElo "1974"]
[PlyCount "56"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. e3 b6 7. Bd3 Bb7 8. 0-0 Nf6 9. a3 Be7 10. b4 d6 11. a4 Nbd7 12. Bd2 Ne5 13. Be2 Rc8 14. c5 dxc5 15. bxc5 Bxc5 16. Rc1 Qb8 17. f4 Nc6 18. f5 Nxd4 19. exd4 Bxd4+ 20. Kh1 e5 21. Nb5 Bc5 22. Be3 axb5 23. Bxb5+ Kf8 24. Qb3 Bd5 25. Qd3 h6 26. Bxc5+ bxc5 27. Rxc5 Rxc5 28. Qa3 Qd6 0-1

[Event "COL-ch"]
[Site "Ibague"]
[Date "2013.07.02"]
[Round "3"]
[White "Herrera Perez, Martin Steven"]
[Black "Castro, Alexander"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1974"]
[BlackElo "2142"]
[PlyCount "89"]
[EventDate "2013.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. Be3 Nbd7 9. Nd2 Bc5 10. Bxc5 Nxc5 11. 0-0-0 Ke7 12. Nc4 Ncd7 13. Nh3 a5 14. Nf2 b5 15. Ne3 Ra6 16. Rd2 Rd6 17. Rhd1 Nb6 18. b3 Rhd8 19. Nd3 Nfd7 20. Ng4 h5 21. Ngxe5 Nxe5 22. Nxe5 Rxd2 23. Nc6+ Ke8 24. Rxd2 Rxd2 25. Kxd2 a4 26. Nd4 axb3 27. axb3 Kd7 28. Nxb5 g5 29. Ke3 e5 30. g3 c6 31. Na3 Ke6 32. Nc4 Nd7 33. f4 gxf4+ 34. gxf4 exf4+ 35. Kxf4 Nf6 36. h4 c5 37. e5 Ne8 38. Kg5 Ng7 39. Kg6 Nf5 40. Kxh5 Nd4 41. Kg6 Nxc2 42. h5 Nd4 43. h6 Nf5 44. h7 Ne7+ 45. Kh5 1-0

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.03"]
[Round "8"]
[White "Herrera Perez, Martin Steven"]
[Black "Peinado, Giovanny"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1939"]
[BlackElo "2204"]
[PlyCount "23"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. exd5 Qxd5 8. Qxd5 Nxd5 9. c3 Nc6 10. Bd3 Be6 11. 0-0 0-0-0 12. Bc2 1-0

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.03"]
[Round "7"]
[White "Lizarazo, Juan Carlos"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2097"]
[BlackElo "1939"]
[PlyCount "62"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. Bg5 c5 4. e3 b6 5. Bd3 Bb7 6. Nbd2 Be7 7. c3 0-0 8. 0-0 d5 9. Rc1 Nbd7 10. Re1 h6 11. Bf4 Re8 12. Ne5 Nxe5 13. Bxe5 Nd7 14. Bg3 Nf6 15. Bb1 Ne4 16. Qc2 g6 17. Nxe4 dxe4 18. dxc5 Bxc5 19. Rcd1 Qc8 20. Bd6 Bxd6 21. Rxd6 Qc7 22. Red1 Bd5 23. R6xd5 exd5 24. Rxd5 Rad8 25. Rd4 Rxd4 26. exd4 e3 27. fxe3 Rxe3 28. Qf2 Qe7 29. Kf1 Re6 30. Qg3 Rf6+ 31. Kg1 Qe2 0-1

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.02"]
[Round "5.7"]
[White "Herrera Perez, Martin Steven"]
[Black "Dabraccio, Guillermo"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1939"]
[BlackElo "1744"]
[PlyCount "61"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Be7 8. f4 Bh4+ 9. g3 Be7 10. Nf3 a5 11. 0-0 f5 12. exf6 Nxf6 13. Kh1 cxd4 14. cxd4 0-0 15. Nc3 Qe8 16. Be3 Ng4 17. Bg1 Rf6 18. Ne5 h5 19. Qe2 Ngxe5 20. fxe5 Rxf1 21. Rxf1 Bd7 22. Bb1 g6 23. Qd2 Kg7 24. Be3 Qh8 25. Ne2 Be8 26. Bg5 Qg8 27. Bf6+ Bxf6 28. Rxf6 Bf7 29. Nf4 Ne7 30. Nxh5+ gxh5 31. Qh6# 1-0

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.02"]
[Round "6"]
[White "Herrera Perez, Martin Steven"]
[Black "Herazo, Adrian"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1939"]
[BlackElo "1845"]
[PlyCount "77"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. c4 Bc5 6. Nb3 Bb6 7. Be2 Nge7 8. Nc3 0-0 9. c5 Bc7 10. Nb5 Bb8 11. Nd6 Ng6 12. 0-0 b6 13. Nxc8 Qxc8 14. cxb6 axb6 15. f4 Qc7 16. Be3 Rd8 17. a3 Qb7 18. Qe1 d5 19. exd5 exd5 20. Qf2 Ba7 21. Bf3 Nce7 22. Nd4 Qd7 23. g3 Re8 24. Kg2 Rac8 25. Rfd1 b5 26. Nf5 Nxf5 27. Bxa7 Nge7 28. Bc5 Qe6 29. Rd2 Qg6 30. Kh1 Red8 31. Rad1 d4 32. Bxe7 Nxe7 33. Rxd4 Rxd4 34. Qxd4 h6 35. Qd7 Qf6 36. Re1 Qxb2 37. Qxe7 Rc2 38. Qe8+ Kh7 39. Be4+ 1-0

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.01"]
[Round "3"]
[White "Marquez Rueda, Benjamin"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2029"]
[BlackElo "1939"]
[PlyCount "106"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Nbd2 Be7 6. Bd3 d5 7. Ne5 a6 8. Qf3 Nbd7 9. g4 Nxe5 10. dxe5 Nd7 11. Rg1 c5 12. g5 Qc7 13. Qh5 g6 14. Qd1 Nxe5 15. Be2 Bd6 16. c3 0-0-0 17. Rc1 Nc4 18. Bxd6 Rxd6 19. Bxc4 dxc4 20. Qg4 b5 21. Ke2 Rhd8 22. Rc2 Qc6 23. e4 Rd3 24. f3 Qd6 25. Nf1 Rd1 26. Kf2 Qd3 27. Re2 b4 28. Qf4 bxc3 29. bxc3 Rd7 30. Qe5 Qd6 31. Qh8+ Kc7 32. Qxh7 Rc1 33. Qh8 e5 34. Ne3 Rxc3 35. Rd1 Rd3 36. Rde1 c3 37. Ng4 Re7 38. Nf6 Kb6 39. Rb1+ Ka7 40. Qf8 Rd2 41. Nd5 Bxd5 42. exd5 Rxd5 43. Rb8 Rd2 44. Ra8+ Kb6 45. Qc8 Rb7 46. Qe8 c2 47. Qa4 Rxe2+ 48. Kg3 e4+ 49. f4 c1Q 50. Rxa6+ Kc7 51. Rxd6 Qe3+ 52. Kg4 Qf3+ 53. Kh4 Rxh2# 0-1

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.06.01"]
[Round "4"]
[White "Sanchez, Sebastian Felipe"]
[Black "Herrera Perez, Martin Steven"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2331"]
[BlackElo "1939"]
[PlyCount "37"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 b6 3. Nf3 Bb7 4. g3 Nf6 5. Bg2 e6 6. 0-0 a6 7. d4 cxd4 8. Qxd4 d6 9. b3 Nbd7 10. Rd1 Qc7 11. Bb2 Be7 12. Rac1 0-0 13. Qe3 Rac8 14. Nd4 Bxg2 15. Kxg2 Ng4 16. Qd2 Rfd8 17. f3 Nge5 18. e4 Nc6 19. Nd5 1-0

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.05.31"]
[Round "2"]
[White "Herrera Perez, Martin Steven"]
[Black "Velez Rueda, Juan Diego"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1939"]
[BlackElo "1664"]
[PlyCount "61"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 e5 7. Nc2 Nc6 8. Nc3 Be6 9. Be3 Be7 10. Qd2 Rc8 11. Rc1 0-0 12. Be2 Qc7 13. b3 Rfe8 14. 0-0 a5 15. Na3 Qd7 16. Nab5 Nb4 17. Na4 Bd8 18. a3 Nc6 19. Nxd6 Be7 20. Nxe8 Qxe8 21. Qb2 Rd8 22. Rfd1 Nh5 23. Rxd8 Bxd8 24. Nc5 Bb6 25. b4 Qe7 26. Qd2 Nf4 27. Bf1 h6 28. Kh1 g5 29. Rd1 Kg7 30. Nxe6+ Qxe6 31. Bxb6 1-0

[Event "Santander UDI Cup"]
[Site "Santander"]
[Date "2013.05.31"]
[Round "1"]
[White "Narvaez Max, Nayesly"]
[Black "Herrera Perez, Martin Steven"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1544"]
[BlackElo "1939"]
[PlyCount "54"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. d3 b5 4. Be2 Bb7 5. Bf3 e6 6. Be3 Qc7 7. d4 cxd4 8. Bxd4 Nc6 9. Nge2 Nxd4 10. Nxd4 Nf6 11. 0-0 b4 12. Ncb5 axb5 13. Nxb5 Qe5 14. c4 bxc3 15. Nxc3 Bb4 16. Rc1 0-0 17. Re1 Bxc3 18. bxc3 Bc6 19. Re3 Rxa2 20. c4 Rb8 21. Qe1 Rbb2 22. c5 Rxf2 23. Kh1 Ng4 24. Bxg4 Rxg2 25. Qg3 Rxg3 26. hxg3 Qb2 27. Be2 Qxc1+ 0-1

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.27"]
[Round "4"]
[White "Herrera Perez, Martin Steven"]
[Black "Gonzalez Chirinos, Fidel Ernesto"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "1931"]
[BlackElo "2228"]
[PlyCount "96"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Nbd7 9. Qf3 Be7 10. 0-0-0 h6 11. Bh4 g5 12. Bf2 Qc7 13. g3 b5 14. Bg2 Bb7 15. Qe2 b4 16. Nb1 Rg8 17. Bf3 a5 18. Rhe1 Ba6 19. Qd2 e5 20. fxg5 hxg5 21. Be3 Rc8 22. Qf2 a4 23. Na1 Bc4 24. a3 b3 25. Nc3 Qa5 26. Rd2 d5 27. Nxd5 Nxd5 28. exd5 Bxa3 29. Bd4 Bb4 30. c3 a3 31. cxb4 Qxb4 32. Kd1 Kd8 33. Bc3 Qa4 34. Bg4 Be2+ 35. Kxe2 Rxc3 36. bxc3 Qxg4+ 37. Qf3 Qc4+ 38. Qd3 Qg4+ 39. Kf2 Rh8 40. Kg1 e4 41. Rxe4 b2 42. Re1 Ne5 43. Qb5 Nf3+ 44. Kh1 Nxe1 45. Qb6+ Ke7 46. Qc7+ Kf6 47. Qb6+ Kg7 48. Nc2 Qe4+ 0-1

