[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.31"]
[Round "10"]
[White "Chavez Duero, Brayan Steven"]
[Black "Ruiz Agudelo, Jeronimo"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2062"]
[BlackElo "1875"]
[PlyCount "125"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qe3 Nf6 6. Be2 e6 7. 0-0 Be7 8. Rd1 Qc7 9. c4 0-0 10. Nc3 a6 11. b3 Ng4 12. Qf4 Nge5 13. Bb2 Bf6 14. Rac1 Rd8 15. Qg3 Nxf3+ 16. Bxf3 Be5 17. Qh3 b6 18. g3 Qe7 19. Bg2 Bb7 20. Qg4 b5 21. Qe2 bxc4 22. Qxc4 Rac8 23. f4 Bf6 24. Qe2 Bd4+ 25. Kh1 Qf6 26. Na4 Bxb2 27. Qxb2 Qxb2 28. Nxb2 Nb4 29. a3 Na2 30. Rxc8 Rxc8 31. Nc4 Nc3 32. Rxd6 Nxe4 33. Rb6 Bd5 34. Bxe4 Bxe4+ 35. Kg1 Kf8 36. Kf2 Rc6 37. Rb8+ Ke7 38. Ke3 Bd5 39. Kd4 Bxc4 40. bxc4 Kd6 41. Rh8 h6 42. Rh7 Rc5 43. Rxg7 Rf5 44. Kc3 a5 45. Rg8 f6 46. Ra8 Rc5 47. Ra6+ Ke7 48. Rb6 e5 49. Rb5 Kd6 50. Rxc5 Kxc5 51. fxe5 fxe5 52. g4 e4 53. h4 e3 54. g5 hxg5 55. hxg5 e2 56. Kd2 Kxc4 57. g6 Kb3 58. g7 Kxa3 59. g8Q e1Q+ 60. Kxe1 Kb2 61. Kd2 a4 62. Qb8+ Ka2 63. Kc2 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.31"]
[Round "11"]
[White "Torres, Juan Camilo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2297"]
[BlackElo "2062"]
[PlyCount "85"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 Qb6 5. a4 b4 6. Nbd2 Nxd5 7. e4 Nc7 8. Bd3 Ba6 9. 0-0 d6 10. Re1 h6 11. Bh4 g5 12. Bg3 Bg7 13. e5 d5 14. h4 Bxd3 15. cxd3 Qg6 16. Qb3 Nba6 17. e6 fxe6 18. Rac1 Rc8 19. Ne5 Qf6 20. h5 0-0 21. Ndf3 Rfd8 22. Re2 Ne8 23. Rce1 Rd6 24. Ng6 Nec7 25. Nfe5 Rb6 26. Re3 Bh8 27. Rf3 Qg7 28. Ng4 Ne8 29. Be5 Nf6 30. Nxh8 Qxh8 31. Nxf6+ exf6 32. Rxf6 Qh7 33. Qd1 Rf8 34. Rg6+ Kf7 35. a5 Rc6 36. Qa4 Rfc8 37. Re3 c4 38. dxc4 dxc4 39. Rf3+ Ke7 40. Rg7+ Qxg7 41. Bxg7 c3 42. bxc3 bxc3 43. Qa3+ 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.30"]
[Round "8"]
[White "Chavez Duero, Brayan Steven"]
[Black "Velasquez, Andres Felipe"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2062"]
[BlackElo "1972"]
[PlyCount "132"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 g6 7. 0-0 Nf6 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 Bg7 11. f3 0-0 12. Qd3 Qc6 13. Be3 Rac8 14. b3 a6 15. Rac1 Nd7 16. Nd5 Rfe8 17. Bg5 Kf8 18. Rfd1 Nc5 19. Qe2 Ne6 20. Be3 b5 21. Nb6 Nd4 22. Rxd4 Qxb6 23. Rd5 Qa5 24. a4 e6 25. Rxd6 bxa4 26. bxa4 Qxa4 27. c5 Rc6 28. Qd3 Be5 29. Rxc6 Qxc6 30. f4 Bc7 31. f5 exf5 32. Bh6+ Kg8 33. exf5 gxf5 34. Be3 Qe4 35. Qxe4 fxe4 36. g4 Kg7 37. h3 Kf6 38. Kf2 Ke6 39. Ke2 Rb8 40. Kd2 Rb3 41. Rc4 Ba5+ 42. Ke2 Rb2+ 43. Kd1 Rb4 44. Rc2 Bc7 45. Kd2 a5 46. Kc3 Be5+ 47. Kd2 Rb2 48. Rxb2 Bxb2 49. Kc2 Bf6 50. Kb3 Kd5 51. Ka4 Bd8 52. Kb5 Bc7 53. Bf2 a4 54. Kxa4 Kc6 55. Be3 Be5 56. Kb4 Bg7 57. Kc4 Bf6 58. Bf4 Bg7 59. h4 Bf6 60. g5 Bg7 61. Be3 Be5 62. h5 Bb2 63. Bf4 Bg7 64. Bd6 Bb2 65. Bf4 Bg7 66. Be3 Be5 1/2-1/2

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.30"]
[Round "9"]
[White "Llano Buritica, Eduardo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "1948"]
[BlackElo "2062"]
[PlyCount "42"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nge2 d6 6. f3 c5 7. d5 Na6 8. Bg5 h6 9. Be3 Nc7 10. Qd2 Kh7 11. Ng3 Re8 12. Be2 e6 13. 0-0 exd5 14. cxd5 a6 15. a4 Rb8 16. a5 b5 17. axb6 Rxb6 18. h3 Bd7 19. Ra2 Qb8 20. Rfa1 Qb7 21. Bf1 Nfxd5 1/2-1/2

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.29"]
[Round "6"]
[White "Chavez Duero, Brayan Steven"]
[Black "Valderrama Quiceno, Esteban Alberto"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2062"]
[BlackElo "2428"]
[PlyCount "82"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 0-0 7. e5 Nd5 8. d4 cxd4 9. cxd4 d6 10. Nc3 Be6 11. Bg5 dxe5 12. dxe5 Nxc3 13. bxc3 Qc7 14. Bxc6 bxc6 15. Bf4 Bd5 16. Qe2 c5 17. c4 Bb7 18. Nd2 a5 19. Qe3 Qc6 20. f3 Rfc8 21. Rab1 Ba6 22. Kh1 Qe6 23. Qe4 Rd8 24. Rb2 Rac8 25. Rc1 h6 26. Qe3 g5 27. Bg3 Rd4 28. Rbc2 a4 29. Ne4 Qc6 30. Qa3 g4 31. Bf2 gxf3 32. gxf3 Rxe4 33. fxe4 Qxe4+ 34. Kg1 Bb7 35. Bg3 h5 36. Qc3 h4 37. Bxh4 Qxh4 38. Qg3 Qd4+ 39. Rf2 Rc6 40. Kf1 Rg6 41. Qf4 Qxf4 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.29"]
[Round "7"]
[White "Tobar Beltran, Carlos Andres"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "1946"]
[BlackElo "2062"]
[PlyCount "164"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 d5 4. c4 Nc6 5. cxd5 Nxd5 6. Nc3 e6 7. 0-0 Be7 8. d4 Nxc3 9. bxc3 0-0 10. e4 b6 11. Be3 Na5 12. Qe2 Bb7 13. Ne5 Rc8 14. Rfd1 Qc7 15. f4 Rfd8 16. d5 exd5 17. exd5 f6 18. Bh3 fxe5 19. Be6+ Kh8 20. Qh5 Bf6 21. Bf5 g6 22. Bxg6 Nc4 23. fxe5 Bxe5 24. Bg5 Rg8 25. Bd3 Nb2 26. d6 Qd7 27. Re1 Nxd3 28. Rxe5 Qxd6 29. Re7 Rg7 30. Rxg7 Kxg7 31. Rf1 Qg6 32. Qg4 Ne5 33. Bf6+ Kg8 34. Qe6+ Nf7 35. Rf4 Qb1+ 36. Kf2 Qc2+ 37. Ke1 Qc1+ 38. Ke2 Qc2+ 39. Ke1 h5 40. Rf5 Qe4+ 41. Qxe4 Bxe4 42. Rxh5 Rc6 43. Bh4 Kg7 44. g4 Rh6 45. Rxh6 Nxh6 46. h3 Bg2 47. Bg3 a6 48. c4 b5 49. cxb5 axb5 50. Bd6 c4 51. Kd2 Bxh3 52. Kc3 Bxg4 53. a4 bxa4 54. Kxc4 Kf6 55. Kb4 Bd1 56. Ka3 Ke6 57. Bb4 Kd5 58. Bf8 Nf5 59. Bb4 Ne3 60. Bf8 Kc4 61. Be7 Bb3 62. Kb2 Nd1+ 63. Ka1 Kc3 64. Bf6+ Kc2 65. Be7 Bd5 66. Bc5 Kb3 67. Bd4 Be4 68. Bc5 Nc3 69. Bd4 Nb5 70. Bc5 Bf5 71. Bd6 Nd4 72. Be5 Nc2+ 73. Kb1 a3 74. Bf6 a2+ 75. Kc1 Nb4 76. Ba1 Nc2 77. Bb2 a1Q+ 78. Bxa1 Nxa1 79. Kd2 Kc4 80. Ke3 Nb3 81. Kf4 Bd3 82. Ke5 Nd2 0-1

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.28"]
[Round "5"]
[White "Restrepo Ortiz, Brayan David"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "1800"]
[BlackElo "2062"]
[PlyCount "63"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 e6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Nbd7 10. g3 Nb6 11. dxe6 fxe6 12. e5 dxe5 13. Qxd8+ Rxd8 14. Nxe5 Bd6 15. Nf3 0-0 16. Kg2 Nc4 17. Re1 Rde8 18. Ne4 Nxe4 19. Rxe4 Nb6 20. Be3 Nd5 21. Rc1 Rf5 22. g4 Nxe3+ 23. Rxe3 Rd5 24. Rce1 Kf7 25. Ne5+ Bxe5 26. Rxe5 Rxe5 27. Rxe5 Rc8 28. f4 Rb8 29. b3 Ra8 30. Rxc5 Rxa2+ 31. Kg3 Ra3 32. Rc3 1/2-1/2

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.27"]
[Round "3"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2488"]
[BlackElo "2062"]
[PlyCount "135"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Bg7 8. Be3 0-0 9. 0-0 Bd7 10. h3 Nxd4 11. Bxd4 Bc6 12. Qc2 a5 13. Rad1 a4 14. c5 Qa5 15. cxd6 exd6 16. a3 Rfe8 17. Bd3 Rac8 18. Qd2 Qh5 19. Qf4 g5 20. Qxd6 Rcd8 21. Qb4 Qh4 22. Bb6 Ra8 23. Bc7 Nh5 24. Rfe1 Rac8 25. Bd6 Rcd8 26. e5 Qxb4 27. axb4 Nf4 28. Bf1 Ra8 29. b5 Bd7 30. Ne4 h6 31. Kh2 Ng6 32. Nf6+ Bxf6 33. exf6 Nh4 34. Be7 Be6 35. Rxe6 fxe6 36. Bc4 Kf7 37. Re1 Rxe7 38. fxe7 Kxe7 39. Rxe6+ Kd7 40. Rxh6 Rf8 41. Kg1 Nf5 42. Rh7+ Ne7 43. b6 Rf4 44. Bb5+ Ke6 45. g3 Rb4 46. Be8 Kf6 47. Kg2 Ke6 48. h4 gxh4 49. Rxh4 Rxb2 50. Bxa4 Nf5 51. Rh7 Rxb6 52. Bd7+ Kf6 53. Bxf5 Kxf5 54. Rf7+ Ke6 55. Rf8 Ke7 56. Rb8 Rb1 57. f4 b5 58. Kf3 b4 59. g4 b3 60. Ke4 Kf6 61. Rb6+ Kg7 62. Kf5 b2 63. Rb7+ Kf8 64. g5 Ke8 65. g6 Kd8 66. g7 Rg1 67. Kf6 b1Q 68. Rxb1 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.27"]
[Round "4"]
[White "Chavez Duero, Brayan Steven"]
[Black "Garces Trujillo, Luis Javier"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2062"]
[BlackElo "1875"]
[PlyCount "35"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Qb6 9. Nf3 Be7 10. 0-0 f6 11. exf6 Nxf6 12. Re1 0-0 13. Nf4 Re8 14. Ng5 Ne4 15. Bxe4 Bxg5 16. Qh5 Qd8 17. Bxh7+ Kf8 18. Ng6+ 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.26"]
[Round "2"]
[White "Chavez Duero, Brayan Steven"]
[Black "Cardona Duque, Juan Esteban"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2062"]
[BlackElo "1741"]
[PlyCount "73"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 d6 4. Bb2 Nf6 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. Qe2 Qc7 8. 0-0 Be7 9. d4 cxd4 10. Nxd4 0-0 11. c4 Rfd8 12. Nd2 a6 13. f4 e5 14. Nf5 Bf8 15. g4 g6 16. Ng3 exf4 17. Rxf4 Bg7 18. Raf1 Qc5+ 19. Kh1 Qg5 20. Bc1 Qa5 21. h4 Rf8 22. Nf3 Ne8 23. g5 Nc7 24. Nh2 Ne6 25. R4f2 Be5 26. Qg4 Ndc5 27. h5 Bxg3 28. Qxg3 Nxe4 29. Qg4 Nxf2+ 30. Rxf2 Rae8 31. Qg2 b5 32. Ng4 Qe1+ 33. Rf1 Qh4+ 34. Kg1 Nd4 35. Bb2 Ne2+ 36. Qxe2 Rxe2 37. Nh6# 1-0

[Event "COL-ch sf"]
[Site "Pereira"]
[Date "2024.03.26"]
[Round "1"]
[White "Soto Ramirez, Andres Camilo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1732"]
[BlackElo "2062"]
[PlyCount "64"]
[EventDate "2024.03.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Be2 0-0 11. 0-0 d6 12. exd6 exd6 13. g4 Qh4 14. f5 Be5 15. Rf2 gxf5 16. Bxh6 Qxh6 17. gxf5 Kh8 18. Bg4 Rg8 19. Kh1 Qh4 20. Rg2 h5 21. Qd2 hxg4 22. Ne4 Bb7 23. Nxd6 Bxd6 24. Qxd6 c5 25. Rag1 Rad8 26. Qe5+ f6 27. Qf4 Bxg2+ 28. Kxg2 Qh3+ 29. Kf2 Rd2+ 30. Qxd2 Qf3+ 31. Ke1 Re8+ 32. Qe2 Qxe2# 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.03"]
[Round "8"]
[White "Chavez Duero, Brayan Steven"]
[Black "Bolanos Lopez, Juan Jacobo"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2062"]
[BlackElo "2075"]
[PlyCount "112"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 Qc7 8. a3 Bxc3+ 9. Qxc3 0-0 10. f3 d5 11. cxd5 Qxc3+ 12. bxc3 exd5 13. e5 Re8 14. f4 Nc6 15. Bd3 Ne4 16. Be3 f6 17. Nxc6 bxc6 18. Bxe4 dxe4 19. exf6 gxf6 20. Rb1 Be6 21. Rb6 Rab8 22. Kf2 Rxb6 23. Bxb6 Rb8 24. Rb1 c5 25. Ke3 f5 26. g4 Kf7 27. gxf5 Bxf5 28. c4 Ke8 29. Rb2 Rb7 30. Kd2 Kd7 31. a4 Kc6 32. a5 Rd7+ 33. Ke2 Rd4 34. Rc2 Rd3 35. Rd2 Bg4+ 36. Ke1 Re3+ 37. Kf2 Rf3+ 38. Ke1 Rc3 39. Rd5 Rxc4 40. Re5 h5 41. Kd2 Kd6 42. Re8 Bd7 43. Re5 Bg4 44. Re8 Kd5 45. Rd8+ Ke6 46. Re8+ Kf5 47. Rf8+ Kg6 48. Ke3 Bf5 49. Rg8+ Kf7 50. Rg5 Rc3+ 51. Kd2 Rd3+ 52. Kc2 Rd5 53. Kc3 e3 54. Kc4 e2 55. Kxd5 Be6+ 56. Kxc5 e1Q 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.03"]
[Round "9"]
[White "Perez Tangarife, Simon"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1745"]
[BlackElo "2062"]
[PlyCount "61"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Nd5 Nxd5 5. cxd5 0-0 6. Bg2 d6 7. Nf3 c6 8. dxc6 bxc6 9. 0-0 Nd7 10. d4 e4 11. Ng5 d5 12. f3 h6 13. Nh3 Nf6 14. Nf2 exf3 15. Bxf3 Re8 16. Bf4 Qb6 17. a3 Bf8 18. Qd2 Ne4 19. Bxe4 dxe4 20. Be3 Ba6 21. Rac1 Rad8 22. Qc2 Rd6 23. Ng4 Rg6 24. Rf4 f5 25. Nf2 Bd6 26. Rxf5 Bxg3 27. b4 Bc8 28. Qb3+ Be6 29. d5 Qxe3 30. Qxe3 Bf4+ 31. Qg3 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.02"]
[Round "6"]
[White "Andrade Salcedo, Jorge Mario"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1543"]
[BlackElo "2062"]
[PlyCount "104"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 g6 7. e4 Bg7 8. a4 Qxb6 9. a5 Qc7 10. Nf3 0-0 11. Be2 Bg4 12. Nd2 Bxe2 13. Qxe2 e6 14. 0-0 exd5 15. exd5 Re8 16. Qd3 Nbd7 17. h3 Ne5 18. Qc2 Rab8 19. f4 Ned7 20. Nc4 Rb4 21. Qd3 Rb3 22. Ra3 Rxa3 23. bxa3 Rb8 24. Na4 Qb7 25. Rd1 Qb1 26. Nab6 Qxd3 27. Rxd3 Nxb6 28. axb6 Ne4 29. Bd2 Bd4+ 30. Kh2 Nf6 31. Rb3 Nxd5 32. b7 Kf8 33. Nxd6 Ke7 34. Nc4 Kd7 35. Kg3 Kc7 36. Na5 Ne7 37. Kf3 Nf5 38. Nc4 Rxb7 39. Rxb7+ Kxb7 40. g4 Ne7 41. Nd6+ Kc6 42. Nxf7 Kd5 43. Ke2 Bb2 44. a4 c4 45. Kd1 c3 46. Be1 Nc6 47. Kc2 Nd4+ 48. Kb1 Kc4 49. Ng5 Kb3 50. Bxc3 Bxc3 51. Nxh7 Ne2 52. f5 Bb2 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.02"]
[Round "7"]
[White "Chavez Duero, Brayan Steven"]
[Black "Ayala Delgado, Sergio Alejandro"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2062"]
[BlackElo "2089"]
[PlyCount "40"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2 Qe7 5. Qxe4 d6 6. d4 dxe5 7. dxe5 Nc6 8. Nc3 Qxe5 9. Qxe5+ Nxe5 10. Bf4 Bd6 11. Nb5 Nf3+ 12. Ke2 Nd4+ 13. Nxd4 Bxf4 14. Kf3 Be5 15. Bb5+ Ke7 16. Rhe1 f6 17. Ke4 Rd8 18. Rad1 c6 19. Bc4 Kf8 20. f4 Bxd4 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.01"]
[Round "5"]
[White "Chavez Duero, Brayan Steven"]
[Black "Munoz Triana, Joseph Steve"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2062"]
[BlackElo "2118"]
[PlyCount "120"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 9. f3 Be7 10. Qd2 d6 11. Be2 0-0 12. 0-0 Nbd7 13. Rac1 Rac8 14. b4 Qb8 15. Nb3 Rfe8 16. Rfd1 h5 17. Bf4 Ne5 18. Na4 Bc6 19. Nb2 h4 20. Qc3 g5 21. Bxe5 dxe5 22. Qe3 Nh5 23. c5 b5 24. Na5 Nf4 25. Bf1 Kh8 26. Rd2 Rg8 27. Kf2 g4 28. g3 hxg3+ 29. hxg3 gxf3 30. Nxc6 Rxc6 31. Kxf3 Bg5 32. Rh2+ Kg7 33. gxf4 Bxf4 34. Rg2+ Kf6 35. Qg1 Rxg2 36. Bxg2 Bxc1 37. Qxc1 Qh8 38. Nd3 Qh5+ 39. Kf2 Ke7 40. Qe3 Qh4+ 41. Ke2 Qh5+ 42. Bf3 Qh2+ 43. Nf2 Rc8 44. Qg5+ Kd7 45. Qd2+ Ke8 46. Qd6 Rd8 47. Qxa6 Qf4 48. Qxb5+ Kf8 49. Nd3 Qh2+ 50. Nf2 Qf4 51. Nd3 Qh2+ 52. Ke3 Qh6+ 53. Ke2 Qh2+ 54. Ke1 Qg3+ 55. Ke2 Qh2+ 56. Nf2 Qf4 57. Nd3 Qh2+ 58. Kd1 Qg1+ 59. Kc2 Qe3 60. Bd1 Qxe4 1/2-1/2

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.03.01"]
[Round "4"]
[White "Hernandez Serrano, Cristhian Daniel"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "1708"]
[BlackElo "2062"]
[PlyCount "106"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Bd2 0-0 7. Nc2 Be7 8. g3 Nc6 9. Bg2 b6 10. 0-0 Bb7 11. Bf4 d6 12. Nb5 Ne8 13. Ncd4 Qd7 14. Nxc6 Bxc6 15. Bxc6 Qxc6 16. Qb3 a6 17. Nd4 Qb7 18. Be3 Nf6 19. Rfd1 Rfd8 20. Rac1 Ne4 21. Qa4 Rac8 22. f3 Nc5 23. Qc2 Bf6 24. Nb3 Na4 25. Na5 Qd7 26. Nb7 Nxb2 27. Nxd8 Nxd1 28. Rxd1 Bxd8 29. Qd2 Rc6 30. Qb4 h6 31. Qa4 Qb7 32. Bf4 Be7 33. Rb1 Qc8 34. Qb4 Bf6 35. Be3 Bd8 36. Rd1 Be7 37. Rb1 Kh7 38. Qb3 Rxc4 39. Qd3+ g6 40. Rxb6 d5 41. Kg2 a5 42. Bd4 Qc7 43. Ra6 e5 44. Ra7 Qd6 45. Bc3 a4 46. Ra5 Qe6 47. Ra8 Qc6 48. Ra7 Rxc3 49. Qd1 Qd6 50. Rxa4 d4 51. Ra8 Qd7 52. Qa1 Rc2 53. Qd1 d3 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.29"]
[Round "3"]
[White "Chavez Duero, Brayan Steven"]
[Black "Cordoba Roa, Angel Gabriel"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2062"]
[BlackElo "2312"]
[PlyCount "94"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 0-0 9. 0-0 cxd5 10. h3 Be6 11. Qf3 Rb8 12. Bg5 Be7 13. b3 h6 14. Bh4 Rb4 15. Bg3 Bd6 16. a3 Rb8 17. Rad1 Bxg3 18. Qxg3 c5 19. Ne2 Qa5 20. Nf4 Bd7 21. Qf3 Bc6 22. Nh5 Nxh5 23. Qxh5 Qxa3 24. Qf5 g6 25. Qf6 Rb6 26. Ra1 Qb4 27. Rxa7 Ba8 28. Qa1 Bb7 29. Re1 Bc8 30. Rae7 c4 31. c3 Qxb3 32. Rb1 Ra6 33. Qxa6 Qxb1+ 34. Bxb1 Bxa6 35. Ra7 Bc8 36. Kf1 Be6 37. Bc2 Rb8 38. Ra2 Re8 39. Ra6 Kg7 40. Rd6 Ra8 41. Rb6 Ra2 42. Bb1 Ra3 43. Ke2 Rxc3 44. f4 d4 45. Kd2 Rg3 46. Be4 Re3 47. Bf3 Bxh3 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.29"]
[Round "2"]
[White "Guzman Galeano, Erick Samir"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1657"]
[BlackElo "2062"]
[PlyCount "103"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. Be3 cxd4 8. Bxd4 Nc6 9. Bxf6 Qxd1+ 10. Bxd1 gxf6 11. Nbd2 Rg8 12. h3 Bf5 13. Be2 Rd8 14. g4 Bg6 15. h4 h5 16. gxh5 Bxh5 17. Rd1 Bh6 18. Ne4 Ke7 19. Nd4 Bg6 20. Nxc6+ bxc6 21. Rxd8 Rxd8 22. Ng3 Rd2 23. 0-0 Rxb2 24. Bf3 Kd7 25. h5 Bh7 26. Rd1+ Kc7 27. Be4 f5 28. Bb1 Rd2 29. Re1 Kd6 30. Ne2 c5 31. c4 a6 32. Nc1 Rd4 33. Nd3 f6 34. Nb2 e5 35. Rd1 e4 36. f3 Ke5 37. Re1 Kf4 38. fxe4 fxe4 39. Kf1 Bf5 40. Nd1 Kf3 41. Kg1 Kg3 42. Nf2 Kf4 43. Rf1 Ke5 44. Bc2 Rxc4 45. Bb3 Rc1 46. Bd1 c4 47. a4 c3 48. Re1 Kd4 49. a5 c2 50. Kg2 e3 51. Kf3 exf2 52. Bxc2 0-1

[Event "COL-ch U20"]
[Site "Cali"]
[Date "2024.02.28"]
[Round "1"]
[White "Chavez Duero, Brayan Steven"]
[Black "Pena Ramirez, Jatniel"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2062"]
[BlackElo "1349"]
[PlyCount "57"]
[EventDate "2024.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. dxe5 dxe5 6. 0-0 Be7 7. Ng5 Bxg5 8. Qh5 Qe7 9. Qxg5 Qxg5 10. Bxg5 b5 11. Bb3 Ngf6 12. f3 Nc5 13. Be3 Ne6 14. a4 b4 15. Nd2 Ba6 16. Bc4 Bxc4 17. Nxc4 Nd4 18. Rf2 Nd7 19. Rd1 c5 20. c3 Nc6 21. Nd6+ Ke7 22. Nf5+ Kf8 23. Rxd7 g6 24. Nd6 Rd8 25. Bh6+ Kg8 26. Rxf7 g5 27. h4 Ne7 28. Rg7+ Kf8 29. Rxg5# 1-0

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.08"]
[Round "6"]
[White "Castano, Julian Marcelo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1953"]
[BlackElo "2038"]
[PlyCount "60"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 0-0 6. Nge2 d6 7. 0-0 Nc6 8. d4 cxd4 9. Nxd4 Bd7 10. b3 Rb8 11. Bb2 Qa5 12. Qd2 Qh5 13. Nd5 Nxd5 14. cxd5 Ne5 15. Rac1 Bh3 16. Rfd1 Rbc8 17. Bh1 Bg4 18. Rf1 Rc5 19. Ba3 Rcc8 20. Bb2 a6 21. Rfe1 Rfe8 22. Rf1 Nd7 23. Rxc8 Rxc8 24. Rc1 Rc5 25. Ba3 Rxc1+ 26. Bxc1 Bxd4 27. Qxd4 Ne5 28. Bb2 Bf3 29. h4 Qf5 30. e4 Qh5 0-1

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.07"]
[Round "4"]
[White "Carvajal Barreto, Misael Camilo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1764"]
[BlackElo "2038"]
[PlyCount "62"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Bc4 Qb6 9. Bb3 Ng4 10. Nd5 Qa5+ 11. Bd2 Qc5 12. fxg4 Qxd4 13. Nc3 d6 14. Qe2 Qe5 15. Be3 Be6 16. 0-0-0 Bxb3 17. axb3 Qa5 18. Kb1 Bxc3 19. bxc3 Qxc3 20. h4 a5 21. Rd3 Qe5 22. Bd2 a4 23. b4 Qb5 24. c3 Qc4 25. Ka1 Ne5 26. Re3 Rfc8 27. Rb1 Qxe2 28. Rxe2 Nxg4 29. Rc1 Rc4 30. Ka2 Ne5 31. Ka3 b5 0-1

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.07"]
[Round "5"]
[White "Chavez Duero, Brayan Steven"]
[Black "Salazar, Andres Felipe"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2038"]
[BlackElo "1881"]
[PlyCount "95"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. c3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bc2 Bg4 9. f3 Bh5 10. Ne2 e6 11. Bf4 Nd5 12. Bd2 Bd6 13. c4 Nb4 14. Bb1 a5 15. a3 Na6 16. 0-0 0-0 17. Qe1 Nb8 18. Bc3 Nd7 19. Ng3 Bg6 20. Ne4 Bc7 21. Bc2 Re8 22. Rd1 Qb8 23. Qh4 Nb6 24. Bd3 Na4 25. f4 Nxc3 26. bxc3 Bd8 27. Qh3 b6 28. Ng3 Bxd3 29. Rxd3 g6 30. Qh6 Qd6 31. f5 exf5 32. Nxf5 Qf8 33. Rh3 Qxh6 34. Nxh6+ Kh8 35. Nxf7+ Kg7 36. Ne5 Bf6 37. Nxc6 Rac8 38. d5 Re4 39. Rhf3 Rf8 40. d6 Rxc4 41. Rxf6 Rxf6 42. Rxf6 Rxc3 43. d7 Rd3 44. Rxg6+ hxg6 45. d8Q Rxd8 46. Nxd8 Kf6 47. Kf2 b5 48. Nc6 1-0

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.06"]
[Round "3"]
[White "Chavez Duero, Brayan Steven"]
[Black "Zapata Sanchez, Juan Jose"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2038"]
[BlackElo "1576"]
[PlyCount "43"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Be6 7. Bd3 Bd6 8. Ne2 0-0 9. Qd2 Re8 10. 0-0 Qc7 11. Ng3 Nd7 12. c4 Rad8 13. f4 Nf8 14. Rac1 g6 15. d5 Bg4 16. h3 Bb4 17. Qf2 Bd7 18. a3 Be7 19. Ne4 f5 20. d6 Bxd6 21. Nf6+ Kg7 22. Bd4 1-0

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.06"]
[Round "2"]
[White "Puerta Rendon, Jacobo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1776"]
[BlackElo "2038"]
[PlyCount "49"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Nxc6 bxc6 12. g4 Qa5 13. Kb1 Rb8 14. Bb3 Rfc8 15. Bh6 Be6 16. Bxg7 Kxg7 17. Bxe6 fxe6 18. h4 h5 19. gxh5 Nxh5 20. Rhg1 Rf8 21. Rg5 Qb4 22. Rxg6+ Kxg6 23. Qg5+ Kf7 24. Qxh5+ Kf6 25. e5+ 1-0

[Event "Manizales Feria op 29th"]
[Site "Manizales"]
[Date "2024.01.05"]
[Round "1"]
[White "Chavez Duero, Brayan Steven"]
[Black "Uribe Fajardo, Alquiber"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2038"]
[BlackElo "1551"]
[PlyCount "81"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 e6 8. Bd3 Bxd3 9. Qxd3 Nf6 10. Bd2 Nbd7 11. 0-0-0 Be7 12. Ne4 Qc7 13. Kb1 0-0 14. Nxf6+ Nxf6 15. Ne5 c5 16. Qg3 Ne4 17. Qf4 Nxd2+ 18. Qxd2 cxd4 19. f4 Rac8 20. g4 g6 21. Nf3 Bf6 22. h5 Bg7 23. g5 Rfd8 24. hxg6 fxg6 25. gxh6 Bf6 26. h7+ Kh8 27. Qd3 Qg7 28. Rdg1 e5 29. Rxg6 Qf7 30. Qf5 Rf8 31. fxe5 d3 32. c3 Bg7 33. Qxf7 Rxf7 34. Ng5 Rf5 35. e6 Rcf8 36. Nf7+ R5xf7 37. exf7 Rxf7 38. Rd6 Bf6 39. Rxd3 Rxh7 40. Rxh7+ Kxh7 41. Rd7+ 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "9"]
[White "Chavez Duero, Brayan Steven"]
[Black "Chirivi Castiblanco, Jenny Astrid"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "1975"]
[BlackElo "2173"]
[PlyCount "93"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 9. f3 Be7 10. Be2 0-0 11. 0-0 d6 12. Qd2 Nbd7 13. b4 Rfe8 14. Rac1 Rac8 15. Rc2 Qb8 16. Kh1 Bd8 17. Rd1 Bc7 18. Bf1 d5 19. cxd5 exd5 20. Nxd5 Nxd5 21. exd5 Bxh2 22. Rxc8 Bxc8 23. Ne2 Qe5 24. Bf4 Bxf4 25. Qxf4 Nf6 26. Qxe5 Rxe5 27. Nc3 b5 28. d6 Bd7 29. a4 Re3 30. axb5 axb5 31. Nd5 Nxd5 32. Rxd5 Re1 33. Kg1 Rb1 34. Rd4 f5 35. Kf2 Kf7 36. f4 Ke6 37. Be2 Rb2 38. Ke3 h6 39. Bf3 g5 40. Bb7 Rb3+ 41. Ke2 gxf4 42. Kf2 Ke5 43. Rd5+ Kf6 44. Rd4 Ke5 45. Rd5+ Kf6 46. Rd4 Ke5 47. Rd5+ 1/2-1/2

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "10"]
[White "Cifuentes, John Jairo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2160"]
[BlackElo "1975"]
[PlyCount "48"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Be3 Bg7 6. f3 0-0 7. Qd2 d6 8. 0-0-0 Nc6 9. Nge2 Qa5 10. h4 h5 11. Bh6 Bd7 12. Bxg7 Kxg7 13. Kb1 Rfc8 14. Nc1 Ne5 15. Nb3 Qc7 16. Qg5 a5 17. Nd4 a4 18. a3 Ra5 19. Qd2 Rc5 20. Rc1 Qa5 21. f4 Neg4 22. Rh3 Rxc3 23. Rxc3 Nxe4 24. Ne6+ Kh6 0-1

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "7"]
[White "Chavez Duero, Brayan Steven"]
[Black "Heredia Serrano, Carla Sofia"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1975"]
[BlackElo "2063"]
[PlyCount "64"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 7. Bd3 Na6 8. Ne2 Nb4 9. 0-0 0-0 10. c4 Be6 11. a3 Nxd3 12. Qxd3 b5 13. b3 Qd7 14. Rfd1 Rfd8 15. a4 bxc4 16. bxc4 Rab8 17. Kh1 Rb4 18. d5 cxd5 19. cxd5 Be5 20. Rac1 Bf5 21. Qd2 Rxa4 22. f4 Bc7 23. Qb2 Re4 24. Bg1 Bg4 25. Ng3 Rxf4 26. Rd3 Bd6 27. Qd2 Ra4 28. Qf2 h5 29. h3 h4 30. Nf1 Bf5 31. Rdd1 Be4 32. Qe3 Bf4 0-1

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "8"]
[White "Gonzalez Bolivar, Juan Jose"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1651"]
[BlackElo "1975"]
[PlyCount "136"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Bc4 Qb6 9. Qd2 Nxe4 10. Nxe4 Bxd4 11. Bxd4 Qxd4 12. Qxd4 Nxd4 13. 0-0-0 Nc6 14. Rhe1 d6 15. Nc3 Rd8 16. Bb5 e6 17. Rd2 d5 18. Red1 Bd7 19. Ne2 Rac8 20. Kb1 Ne5 21. Bxd7 Rxd7 22. b3 Rdc7 23. Nd4 a6 24. h3 Nd7 25. Ne2 Nf6 26. Nf4 Kg7 27. Nd3 b5 28. Kb2 g5 29. Ne5 h6 30. Re1 Nd7 31. Nxd7 Rxd7 32. Re3 Rdc7 33. a3 Kf6 34. g4 Rc5 35. c3 R5c7 36. Rd4 Rd8 37. f4 Re7 38. a4 bxa4 39. Rxa4 Rd6 40. Rf3 Kg7 41. fxg5 hxg5 42. Ra5 f6 43. Rd3 Red7 44. Ra1 e5 45. b4 Kf7 46. Rf1 Rc7 47. Rf5 Rc4 48. Kb3 Rf4 49. Kc2 Ke6 50. Rxf4 gxf4 51. Rf3 f5 52. g5 Kf7 53. Kd2 Kg6 54. Rd3 Kxg5 55. c4 d4 56. c5 Rc6 57. Ra3 e4 58. Rb3 f3 59. b5 axb5 60. Rxb5 Kf4 61. h4 Kg4 62. h5 Kxh5 63. Ke1 Kg4 64. Kf2 e3+ 65. Ke1 Ra6 66. Rb1 Kg3 67. c6 Rxc6 68. Kf1 Rh6 0-1

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "5"]
[White "Chavez Duero, Brayan Steven"]
[Black "Hernandez Jimenez, Jeronimo"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1975"]
[BlackElo "2135"]
[PlyCount "111"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 e5 4. Bc4 Nf6 5. d3 d5 6. exd5 Nxd5 7. Nc3 Nb6 8. Nge2 Be7 9. 0-0 0-0 10. f4 exf4 11. Nxf4 Bf6 12. Rb1 Bf5 13. Kh1 Be5 14. Qh5 g6 15. Qf3 Qh4 16. Ncd5 Bxb2 17. Rxb2 Ne5 18. Qf2 Qxf2 19. Rxf2 Kg7 20. Rb1 Bd7 21. Re1 Ng4 22. Rfe2 Rfe8 23. h3 Nf6 24. Nxb6 axb6 25. Re7 b5 26. Rxf7+ Kh6 27. Rxe8 Bxe8 28. Rxf6 bxc4 29. Rf8 cxb3 30. cxb3 b6 31. Kg1 Bc6 32. Rxa8 Bxa8 33. Kf2 Bc6 34. g3 Kg5 35. a3 Kf5 36. b4 g5 37. Ne2 cxb4 38. axb4 Ke5 39. Ke3 Bg2 40. h4 gxh4 41. gxh4 Kf5 42. d4 Kg4 43. Nf4 Bb7 44. d5 Kf5 45. d6 Bc6 46. Nd5 Ke6 47. Nxb6 Kxd6 48. Kd4 h5 49. Nc4+ Ke6 50. Ne3 Bf3 51. b5 Ba8 52. b6 Bb7 53. Nc4 Ba8 54. Ne3 Bb7 55. Nc4 Ba8 56. Ke3 1/2-1/2

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "4"]
[White "Chavez Duero, Brayan Steven"]
[Black "Jimenez Jimenez, Leandro"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1975"]
[BlackElo "2147"]
[PlyCount "123"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 10. Bf4 Qa5+ 11. Bd2 Bb4 12. c3 Be7 13. c4 Qc7 14. Bc3 Ngf6 15. Ne4 Nxe4 16. Qxe4 Nf6 17. Qe2 0-0 18. 0-0 Rfd8 19. Rae1 Ng4 20. g3 Rd7 21. Nd2 Nf6 22. Nf3 Ng4 23. Kg2 Rad8 24. Qe4 Nf6 25. Qc2 Bd6 26. Kh3 Nh7 27. b3 Nf8 28. Qb2 f6 29. Qe2 b6 30. Rd1 a5 31. Rfe1 Bb4 32. Bxb4 axb4 33. Rd2 Rd6 34. Red1 Qf7 35. Qe3 Ng6 36. c5 Rd5 37. cxb6 Rb8 38. Rc1 Rxb6 39. Rdc2 Qd7 40. Kg2 Ne7 41. Rc5 Nf5 42. Qe4 Ra6 43. Qe2 Rb6 44. Qc4 Ne7 45. Re1 Kf7 46. Qe2 Nf5 47. Qe4 h5 48. Rc4 Qd6 49. Rec1 Qd7 50. Qf4 Qd6 51. Qe4 Qd7 52. Qf4 Qd6 53. Qe4 Ra6 54. Qe2 Rda5 55. R1c2 Qd5 56. Rc5 Qd6 57. Qc4 Rxa2 58. Rxa2 Rxa2 59. Rxf5 Ra7 60. Rc5 Rc7 61. Qxb4 Qd7 62. Qc4 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "3"]
[White "Pilonieta Forero, Andres Felipe"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "1533"]
[BlackElo "1975"]
[PlyCount "56"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 a5 11. b3 a4 12. b4 Be6 13. Rc1 Qd7 14. Nd5 Bxd5 15. cxd5 Rfc8 16. Bc4 b5 17. Be2 Rxc1+ 18. Qxc1 Rc8 19. Qb1 e6 20. dxe6 Qxe6 21. 0-0 d5 22. Bd4 Nxe4 23. Bxg7 Qb6+ 24. Kh1 Nf2+ 25. Rxf2 Qxf2 26. Bxb5 Kxg7 27. Bxa4 Qxa2 28. Qd1 Qxa4 0-1

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "2"]
[White "Chavez Duero, Brayan Steven"]
[Black "Luna Velandia, Juan Sebastian"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1975"]
[BlackElo "1771"]
[PlyCount "83"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 e5 4. Bc4 g6 5. Nc3 Bg7 6. Nge2 Nge7 7. 0-0 d6 8. f4 0-0 9. d3 Kh8 10. Qd2 f5 11. Kh1 Nd4 12. a4 Qa5 13. Rad1 Bd7 14. Nxd4 cxd4 15. Nd5 Qxd2 16. Rxd2 Nxd5 17. Bxd5 Bc6 18. Bxc6 bxc6 19. Ba3 fxe4 20. Bxd6 e3 21. Bxf8 Rxf8 22. Re2 Rxf4 23. Ree1 Bf8 24. Kg1 Bb4 25. Re2 Kg7 26. g3 Rxf1+ 27. Kxf1 Kf6 28. Kg2 g5 29. g4 Ke6 30. Kf3 Kd5 31. h3 a5 32. Rh2 Be1 33. Rh1 Bh4 34. b4 axb4 35. a5 Kd6 36. a6 Kc7 37. a7 Kb7 38. Ra1 Ka8 39. Ra6 b3 40. cxb3 Be1 41. Rxc6 Kxa7 42. Re6 1-0

[Event "Medellin de La Raza op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "1"]
[White "Garcia Pantoja, Roberto"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2513"]
[BlackElo "1975"]
[PlyCount "49"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Be3 Nc6 6. Qd2 d6 7. f3 Bg7 8. 0-0-0 0-0 9. Nge2 a6 10. h4 b5 11. Bh6 Qa5 12. Kb1 Be6 13. Bxg7 Kxg7 14. h5 Ne5 15. hxg6 fxg6 16. Nd4 Bf7 17. Qh6+ Kg8 18. Nd5 Bxd5 19. exd5 Rf7 20. Rh4 Rc8 21. g3 b4 22. Bh3 b3 23. axb3 Nxd5 24. Be6 Nf6 25. Bxc8 1-0

[Event "Pereira Fiestas de la Cosecha op"]
[Site "Pereira"]
[Date "2023.08.27"]
[Round "7"]
[White "Chavez Duero, Brayan Steven"]
[Black "Sierra Amariles, Juan Mauricio"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2040"]
[BlackElo "1886"]
[PlyCount "116"]
[EventDate "2023.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qf3 dxc6 7. Nc3 Be6 8. Be3 Qxf3 9. gxf3 Bxe3 10. fxe3 Ne7 11. Rg1 Rd8 12. Ne2 0-0 13. f4 f6 14. Nd4 Bf7 15. Bh3 Rd6 16. b4 Rfd8 17. Rc1 Rxd4 18. exd4 Rxd4 19. Bg2 Rxb4 20. Kd2 Ra4 21. Rb1 b6 22. Rb2 a5 23. Ra1 c5 24. Ke3 Ra3+ 25. Kd2 Ng6 26. Rf1 Bc4 27. Rf3 Rxf3 28. Bxf3 Nxf4 29. Ke3 g5 30. a3 Kf7 31. Rb1 h5 32. Rd1 Kg6 33. Rd7 Ne6 34. c3 g4 35. Bd1 Kg5 36. Rh7 b5 37. h3 b4 38. axb4 axb4 39. cxb4 cxb4 40. hxg4 hxg4 41. Rh8 c5 42. Rg8+ Kh6 43. Bxg4 Nd4 44. Rh8+ Kg7 45. Rb8 Bb5 46. Bd1 Kf7 47. Bb3+ Ke7 48. Bd5 Kd6 49. Rd8+ Bd7 50. Bc4 Nc6 51. Rf8 Ne5 52. Bd5 Ke7 53. Ra8 Kd6 54. Ra6+ Bc6 55. Kf4 c4 56. Ke3 Kc5 57. Bg8 c3 58. Ra5+ Bb5 0-1

[Event "Pereira Fiestas de la Cosecha op"]
[Site "Pereira"]
[Date "2023.08.27"]
[Round "6"]
[White "Daza Samboni, Fernando"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1814"]
[BlackElo "2040"]
[PlyCount "107"]
[EventDate "2023.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 d5 4. Bd3 Nc6 5. c3 e6 6. Nbd2 Bd6 7. a3 0-0 8. 0-0 h6 9. dxc5 Bxc5 10. b4 Bd6 11. c4 e5 12. cxd5 Nxd5 13. Ne4 Be7 14. Bb2 a6 15. Bc4 Nb6 16. Bb3 Bg4 17. h3 Bh5 18. Qxd8 Rfxd8 19. Rfd1 Re8 20. Rac1 Rac8 21. Nd6 Bxd6 22. Rxd6 Bxf3 23. gxf3 Kf8 24. Rc5 Ke7 25. Rd1 f6 26. Kg2 Red8 27. Rcc1 Rxd1 28. Rxd1 Rd8 29. Rxd8 Nxd8 30. h4 Ne6 31. a4 Kd6 32. Ba3 Nd7 33. b5+ Nec5 34. Bc4 axb5 35. Bxb5 Kd5 36. Bb4 Nb8 37. Kg3 Ne6 38. Kg4 g6 39. h5 f5+ 40. Kh4 g5+ 41. Kg3 Ng7 42. Kg2 Nxh5 43. Bf8 Nf6 44. Bxh6 g4 45. fxg4 Nxg4 46. Bg5 e4 47. f3 Ne5 48. fxe4+ Kxe4 49. Bf4 Nbc6 50. Bxe5 Nxe5 51. a5 Kxe3 52. a6 bxa6 53. Bxa6 f4 54. Bb7 1/2-1/2

[Event "Pereira Fiestas de la Cosecha op"]
[Site "Pereira"]
[Date "2023.08.26"]
[Round "5"]
[White "Chavez Duero, Brayan Steven"]
[Black "Pena Romero, Edwin Oswaldo"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2040"]
[BlackElo "1745"]
[PlyCount "43"]
[EventDate "2023.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. b3 e6 3. Bb2 Nf6 4. e5 Nd5 5. g3 Nc6 6. c4 Nde7 7. Bg2 Nf5 8. f4 Qa5 9. Nf3 Ne3 10. Bc3 Nxg2+ 11. Kf2 Ne3 12. dxe3 Qc7 13. Nbd2 d5 14. exd6 Qxd6 15. Ne4 Qc7 16. Qc2 f6 17. Rad1 Bd7 18. Bxf6 Nb4 19. Qb1 Bc6 20. Be5 Qa5 21. Neg5 Rd8 22. Nxe6 1-0

[Event "Pereira Fiestas de la Cosecha op"]
[Site "Pereira"]
[Date "2023.08.26"]
[Round "4"]
[White "Rosales, Jhon Mike"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "1752"]
[BlackElo "2040"]
[PlyCount "73"]
[EventDate "2023.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. h3 0-0 10. Be3 Ng4 11. Qd2 Nxe3 12. Qxe3 Qa5 13. 0-0 Bxc3 14. bxc3 Be6 15. Rfb1 b6 16. Rb5 Qa3 17. e5 dxe5 18. Rxe5 Rac8 19. Re4 Rc7 20. Rd1 Qc5 21. Qh6 Bf5 22. Rh4 g5 23. Rd5 gxh4 24. Rxc5 Rxc5 25. Qg5+ Bg6 26. Qxe7 Ra5 27. Qxh4 Rxa2 28. Qg4 Re8 29. Bf3 Re1+ 30. Kh2 Rxf2 31. Qd7 Rc2 32. Qxa7 Re3 33. Bd5 Rexc3 34. Qb8+ Kg7 35. Qe5+ Kf8 36. Qd6+ Kg7 37. Qe5+ 1/2-1/2

[Event "Pereira Fiestas de la Cosecha op"]
[Site "Pereira"]
[Date "2023.08.25"]
[Round "3"]
[White "Chavez Duero, Brayan Steven"]
[Black "Velasquez, Andres Felipe"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2040"]
[BlackElo "1903"]
[PlyCount "88"]
[EventDate "2023.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Bb5 Bd7 5. Bxc6 Bxc6 6. d3 e6 7. Ne2 Qh4 8. Ng3 Nf6 9. Nd2 d5 10. Nf3 Qf4 11. e5 Nd7 12. d4 h5 13. Qd3 Qh6 14. c3 h4 15. Bc1 Qh7 16. Qxh7 Rxh7 17. Ne2 f6 18. Nf4 Kf7 19. g4 hxg3 20. fxg3 cxd4 21. cxd4 g5 22. Nd3 g4 23. Nh4 Bb5 24. Nf2 fxe5 25. Nxg4 exd4 26. Nf3 Bg7 27. Ng5+ Kg8 28. Nxh7 Kxh7 29. a4 Bd3 30. Ba3 Bf5 31. Nf2 Bc2 32. Kd2 Rc8 33. h4 Bh6+ 34. Ke2 Bxb3 35. Rab1 Rc2+ 36. Kf3 Ne5+ 37. Kg2 Ng4 38. Rxb3 Nxf2 39. Rxb7+ Kg6 40. h5+ Kg5 41. Bc1+ Kf6 42. Bxh6 Ng4+ 43. Kf3 Ne5+ 44. Kf4 Rf2# 0-1

[Event "Pereira Fiestas de la Cosecha op"]
[Site "Pereira"]
[Date "2023.08.25"]
[Round "2"]
[White "Solano, William"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1756"]
[BlackElo "2040"]
[PlyCount "122"]
[EventDate "2023.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. exd5 Nf6 7. Bb5+ Nbd7 8. 0-0 0-0 9. Nc3 Nb6 10. Qb3 Nfxd5 11. Re1 Be6 12. Qd1 Rc8 13. Nxd5 Qxd5 14. Be2 Rfd8 15. Be3 Bf5 16. b3 Qa5 17. Qd2 Qa3 18. Rec1 Nd5 19. Bg5 Nf6 20. Bh6 Bh8 21. Ng5 Qd6 22. h3 Qxd4 23. Qxd4 Rxd4 24. Rxc8+ Bxc8 25. Rc1 Rd8 26. Bf3 Ne8 27. Re1 e6 28. Rc1 Be5 29. Kf1 f6 30. Ne4 b6 31. Be3 Ba6+ 32. Be2 Bb7 33. Bf3 Bd5 34. Nd2 Nc7 35. Ke2 Nb5 36. Bxd5 exd5 37. Nb1 d4 38. Bd2 Kf7 39. Kd3 Ke6 40. f4 Bd6 41. a4 Nc7 42. Rc4 Nd5 43. Rxd4 Bxf4 44. Be1 Be5 45. Rc4 Nf4+ 46. Kc2 Nxg2 47. Bd2 Kf5 48. Na3 a6 49. Rc6 Rd6 50. Rc8 Bf4 51. Nc4 Re6 52. Ra8 b5 53. axb5 axb5 54. Ra5 Ke4 55. Rxb5 Bxd2 56. Nxd2+ Ke3 57. Rc5 f5 58. Rc3+ Ke2 59. Nf3 Ne3+ 60. Rxe3+ Kxe3 61. Nd2 f4 0-1

[Event "Pereira Fiestas de la Cosecha op"]
[Site "Pereira"]
[Date "2023.08.24"]
[Round "1"]
[White "Chavez Duero, Brayan Steven"]
[Black "Quevedo Bonilla, Paula Thaliana"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2040"]
[BlackElo "1485"]
[PlyCount "59"]
[EventDate "2023.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3 Be6 9. Qd2 0-0 10. 0-0-0 Nbd7 11. g4 Nb6 12. h4 Rc8 13. h5 d5 14. Qh2 Qc7 15. g5 d4 16. gxf6 Bxf6 17. Nxd4 exd4 18. Qxc7 Rxc7 19. Bxd4 Bxd4 20. Rxd4 Rd7 21. Rxd7 Nxd7 22. f4 g6 23. Be2 Re8 24. Rg1 Kf8 25. e5 Bf5 26. Bf3 b5 27. Nd5 Rc8 28. Rg2 f6 29. hxg6 hxg6 30. exf6 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.30"]
[Round "8"]
[White "Ossa, Vladimir"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2005"]
[BlackElo "1890"]
[PlyCount "77"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. g3 g6 3. Bg2 Nc6 4. Ne2 Bg7 5. c3 d6 6. d4 cxd4 7. cxd4 Qb6 8. Nbc3 Nf6 9. h3 0-0 10. 0-0 Bd7 11. Be3 Qa5 12. Qd2 Rac8 13. a3 a6 14. b4 Qd8 15. Rad1 Qc7 16. Rc1 Qb8 17. f4 Rfd8 18. d5 Na7 19. Bb6 Re8 20. e5 dxe5 21. fxe5 Nh5 22. g4 Nb5 23. e6 fxe6 24. gxh5 Qe5 25. h6 Nxc3 26. Rxc3 Rxc3 27. Bd4 Qxe2 28. Qxe2 Bxd4+ 29. Kh1 e5 30. d6 Be6 31. Qe4 exd6 32. Qxb7 e4 33. Qxe4 Be5 34. Qh4 Rxa3 35. Re1 Ra1 36. Rxa1 Bxa1 37. Bc6 Rc8 38. Qe7 Rxc6 39. Qe8# 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.29"]
[Round "6"]
[White "Arrieta Hernandez, Cristian"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2082"]
[BlackElo "1890"]
[PlyCount "61"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. Nf3 d5 6. cxd5 Nxd5 7. d4 Ndb4 8. e3 cxd4 9. exd4 Nxd4 10. Nxd4 Qxd4 11. 0-0 Qxd1 12. Rxd1 Be7 13. Nb5 0-0 14. a3 Nc6 15. Be3 a6 16. Nc7 Rb8 17. b4 Bf6 18. Rac1 h5 19. a4 Rd8 20. Bb6 Bd7 21. Nxa6 bxa6 22. Bxd8 Nxd8 23. Rxd7 Kf8 24. b5 axb5 25. a5 Ke8 26. Rd3 b4 27. a6 b3 28. a7 b2 29. Rb1 Rc8 30. a8Q Rc1+ 31. Rd1 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.29"]
[Round "7"]
[White "Chavez Duero, Brayan Steven"]
[Black "Simancas Maradei, Miguel Alejandro"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "1890"]
[BlackElo "2027"]
[PlyCount "101"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Bb7 9. 0-0-0 Nbd7 10. Kb1 Nb6 11. Qf2 Nfd7 12. g4 Rc8 13. h4 Qc7 14. Bd3 d5 15. exd5 Nxd5 16. Nxd5 Bxd5 17. Rhe1 Bc5 18. Nf5 0-0 19. Ng3 Qa5 20. b3 Qb4 21. Be4 Nb6 22. Bxc5 Rxc5 23. Qd4 Qxd4 24. Rxd4 Rfc8 25. Red1 g6 26. R1d2 Kg7 27. g5 a5 28. h5 f5 29. gxf6+ Kxf6 30. hxg6 hxg6 31. Bxd5 Rxd5 32. Ne4+ Ke5 33. f4+ Kxf4 34. Nc3+ Ke5 35. Re4+ Kf6 36. Nxd5+ Nxd5 37. Rf2+ Ke7 38. Rg4 Nc3+ 39. Kc1 Nxa2+ 40. Kd2 Nb4 41. c4 Rd8+ 42. Ke2 Rd3 43. Rf3 bxc4 44. Rxc4 Rd5 45. Rc7+ Kd6 46. Rg7 g5 47. Rg6 Nc6 48. Re3 Nd4+ 49. Kf2 Rf5+ 50. Kg3 Kc5 51. Rc3+ 1/2-1/2

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.28"]
[Round "4"]
[White "Chavez Duero, Brayan Steven"]
[Black "Garcia Alarcon, Alvaro"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1890"]
[BlackElo "2026"]
[PlyCount "91"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 a6 2. d4 b5 3. c4 Bb7 4. Nd2 b4 5. Ngf3 e6 6. Bd3 a5 7. 0-0 d6 8. Re1 Nd7 9. Nf1 c5 10. Ng3 Ngf6 11. Bc2 Qc7 12. Qe2 cxd4 13. Nxd4 Rc8 14. b3 Be7 15. Be3 h5 16. f3 h4 17. Nf1 Qb8 18. Rad1 Kf8 19. Bf2 g6 20. Qd2 Ba6 21. a3 e5 22. Ne2 Nc5 23. axb4 axb4 24. Ra1 Rc6 25. Ne3 Bc8 26. Nc1 g5 27. Nd5 Nxd5 28. exd5 Ra6 29. Nd3 Nxd3 30. Bxd3 Rxa1 31. Rxa1 g4 32. f4 Bf6 33. Ra4 exf4 34. Qxf4 Be5 35. Qg5 g3 36. hxg3 hxg3 37. Bxg3 Qb6+ 38. Bf2 Bd4 39. Ra2 Bd7 40. Qf4 Bxf2+ 41. Rxf2 Be8 42. Bg6 Qc7 43. c5 Qxc5 44. Bxf7 Qc3 45. Be6+ Ke7 46. Qg5+ 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.28"]
[Round "5"]
[White "Chavez Duero, Brayan Steven"]
[Black "Vacca, Leonardo"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1890"]
[BlackElo "2041"]
[PlyCount "60"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 e5 4. Bc4 Nf6 5. d3 Be7 6. Nc3 d6 7. Nge2 Be6 8. 0-0 0-0 9. f4 Ng4 10. Qd2 exf4 11. Nxf4 Bg5 12. h3 Nge5 13. Qf2 Bxf4 14. Qxf4 Nd4 15. Qf2 Qg5 16. Kh1 Nxc4 17. bxc4 f5 18. Bc1 Qh5 19. Bf4 fxe4 20. Nxe4 Rad8 21. Rae1 Bc8 22. c3 Ne6 23. Qg3 Nxf4 24. Rxf4 Rxf4 25. Qxf4 Qf5 26. Qh4 Qf8 27. Re3 b6 28. Rf3 Qe8 29. Nf6+ gxf6 30. Rg3+ Kf8 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.27"]
[Round "2"]
[White "Chavez Duero, Brayan Steven"]
[Black "Mina, Fischer"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1890"]
[BlackElo "1639"]
[PlyCount "81"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Nc3 Bc5 6. h3 0-0 7. d3 Re8 8. Be2 h6 9. Bf4 Bd4 10. Qd2 b5 11. 0-0 Be5 12. Bf3 Nh7 13. Rad1 Qd6 14. Bxe5 Rxe5 15. d4 Rg5 16. e5 Qg6 17. h4 Rf5 18. Be4 Bd7 19. Ne2 Qg4 20. Bxf5 Bxf5 21. Qf4 g5 22. Qxg4 Bxg4 23. f3 Bf5 24. g3 Bxc2 25. Rc1 Bd3 26. Kf2 Bc4 27. b3 Bd5 28. Nc3 Rc8 29. Nxd5 cxd5 30. Rc5 c6 31. Rfc1 Nf8 32. Rxc6 Rxc6 33. Rxc6 Ne6 34. Ke3 Kf8 35. f4 gxf4+ 36. gxf4 Ke7 37. f5 Nd8 38. Rxh6 a5 39. Rb6 b4 40. h5 f6 41. e6 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.27"]
[Round "3"]
[White "Obando Guzman, Soren Federico"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2070"]
[BlackElo "1890"]
[PlyCount "80"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. f3 Bb7 4. e4 e6 5. Nc3 d6 6. Bg5 Be7 7. Qd2 h6 8. Be3 Nbd7 9. Nge2 c5 10. d5 exd5 11. cxd5 a6 12. a4 Ne5 13. Ng3 Bc8 14. Be2 0-0 15. 0-0 Re8 16. h3 Bf8 17. f4 Ng6 18. Bc4 Bd7 19. Qd3 Qc8 20. Rae1 Qb7 21. Bc1 h5 22. Re2 h4 23. Nh1 Bxa4 24. Nxa4 b5 25. Bb3 c4 26. Bxc4 bxc4 27. Qxc4 Rac8 28. Qd3 Rxc1 29. Rxc1 Nxf4 30. Qf3 Nxe2+ 31. Qxe2 Rxe4 32. Qd1 Nxd5 33. Nf2 Re6 34. Qf3 Rf6 35. Qe2 Nf4 36. Qf1 Qb5 37. Nc3 Qxb2 38. Qe1 Rg6 39. Rb1 Rxg2+ 40. Kf1 Rxf2+ 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.26"]
[Round "1"]
[White "Contreras Gonzalez, Cristian David"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1211"]
[BlackElo "1890"]
[PlyCount "50"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d5 5. Nbd2 0-0 6. Be2 Nbd7 7. c3 c5 8. h3 b6 9. 0-0 Bb7 10. Bg3 Rc8 11. Re1 c4 12. Rc1 b5 13. b3 h6 14. b4 Ne4 15. Nxe4 dxe4 16. Nd2 e5 17. a4 a6 18. axb5 axb5 19. Ra1 f5 20. dxe5 Nxe5 21. Bxe5 Bxe5 22. Nb1 Qb6 23. f3 Qxe3+ 24. Kh1 Qf4 25. Kg1 e3 0-1

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.18"]
[Round "8"]
[White "Chavez Duero, Brayan Steven"]
[Black "Vargas, Jose Robinson"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1890"]
[BlackElo "2009"]
[PlyCount "14"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nc6 3. Bb2 e5 4. Bc4 d6 5. Nc3 Nf6 6. d3 Be7 7. Nge2 a6 1/2-1/2

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.17"]
[Round "7"]
[White "Chavez Duero, Brayan Steven"]
[Black "Salazar Grisales, Juan Jose"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1890"]
[BlackElo "1827"]
[PlyCount "93"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 0-0 8. e5 Ne8 9. Bf4 d6 10. Nc2 Bxc3+ 11. Qxc3 dxe5 12. Rd1 Qe7 13. Bxe5 Nc6 14. Be2 Nxe5 15. Qxe5 Qf6 16. Qxf6 Nxf6 17. Bf3 e5 18. Bd5 Bd7 19. 0-0 Rac8 20. Ne3 Bc6 21. b3 g6 22. f3 Rfd8 23. Bxc6 bxc6 24. c5 Nd5 25. Nc4 f6 26. Rd3 Nf4 27. Rd6 Kf7 28. Rfd1 Ne2+ 29. Kf2 Nd4 30. f4 Re8 31. R6xd4 exd4 32. Nd6+ Ke7 33. Re1+ Kd7 34. Rxe8 Rxe8 35. Nxe8 Kxe8 36. Ke2 Kd7 37. Kd3 Ke6 38. Kxd4 h5 39. b4 h4 40. a4 f5 41. Kc4 Kd7 42. b5 cxb5+ 43. axb5 axb5+ 44. Kxb5 Kd8 45. Kb6 Kc8 46. Kc6 g5 47. fxg5 1-0

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.17"]
[Round "6"]
[White "Guelgua, Alvaro"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2039"]
[BlackElo "1890"]
[PlyCount "87"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Bb5+ Nc6 8. Nc3 Bxf3 9. Qxf3 e6 10. Be3 Nge7 11. 0-0 0-0 12. Rfd1 f6 13. exf6 Bxf6 14. Qg4 Nf5 15. Rac1 Qd6 16. Bxc6 bxc6 17. Na4 e5 18. dxe5 Nxe3 19. fxe3 Bxe5 20. h3 Rf5 21. Nc5 Bxb2 22. Rc2 Raf8 23. Rxb2 Qxc5 24. Qd4 Qxd4 25. exd4 Rf4 26. Rc2 Rc8 27. a4 Kf7 28. a5 Ke6 29. a6 Kd6 30. Rb2 Rf7 31. Rc1 Re7 32. Kf2 c5 33. Rb7 c4 34. Rcb1 c3 35. Rxe7 Kxe7 36. Ke2 c2 37. Rc1 Rc4 38. Kd3 Kd6 39. Rxc2 Rxc2 40. Kxc2 Kc6 41. Kb3 Kb5 42. g4 g5 43. Kc3 Kxa6 44. Kb4 0-1

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.16"]
[Round "4"]
[White "Chavez Duero, Brayan Steven"]
[Black "Vacca, Leonardo"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1890"]
[BlackElo "2041"]
[PlyCount "45"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 c6 5. d4 Be6 6. Bb3 g6 7. Nf3 Bg7 8. 0-0 0-0 9. Re1 Nc7 10. Bg5 Nba6 11. Qd2 Qd7 12. Rad1 Rad8 13. Bh6 Bxb3 14. axb3 Ne6 15. Bxg7 Kxg7 16. d5 Qc7 17. Qe3 cxd5 18. Nxd5 Qc5 19. Qe5+ Kh6 20. Re4 g5 21. Nxg5 Nxg5 22. Rh4+ Kg6 23. Nf4# 1-0

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.16"]
[Round "5"]
[White "Navia Alvarez, Edwin Adrian"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2023"]
[BlackElo "1890"]
[PlyCount "98"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. b3 e6 8. Bb2 c5 9. d5 exd5 10. Nh4 d6 11. cxd5 b5 12. Na3 Qa5 13. Nc2 Nbd7 14. e4 Rfe8 15. Re1 c4 16. Bd4 Rac8 17. b4 Qa4 18. f4 Re7 19. h3 Rce8 20. Re3 Nxe4 21. Bxg7 Kxg7 22. Ra3 Qxa3 23. Nxa3 Nxg3 24. Nxb5 Nf6 25. Nxd6 Rd8 26. Nxb7 Rxb7 27. Kh2 Ngh5 28. Qd4 Rxb4 29. Re1 a5 30. Re7 c3 31. Qxc3 Nxf4 32. Qc7 Rf8 33. Qxa5 Rd4 34. Qc3 Rd3 35. Qe5 N4xd5 36. Ra7 Re8 37. Qg5 Ne3 38. Ra5 Re6 39. Re5 h6 40. Qf4 g5 41. Qxe3 Rxe3 42. Rxe3 gxh4 43. Rxe6 fxe6 44. a4 Ne8 45. a5 Nd6 46. a6 Nb5 47. Kg1 Kf6 48. Kf2 Kf5 49. Ke3 e5 1-0

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.15"]
[Round "2"]
[White "Triana Castro, Francisco Javier"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1596"]
[BlackElo "1890"]
[PlyCount "94"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Bd3 Nbd7 7. c4 c6 8. 0-0 Re8 9. h3 h6 10. Bxf6 Nxf6 11. cxd5 Nxd5 12. a3 e5 13. Qc2 exd4 14. Nxd4 Bxd4 15. exd4 Nf4 16. Nf3 Qd5 17. Bc4 Qh5 18. Ne5 Rxe5 19. dxe5 Bxh3 20. Qd1 Qg5 21. g3 b5 22. Bb3 Rd8 23. Qf3 Bxf1 24. Kxf1 Rd3 25. Qxc6 Rxb3 26. gxf4 Qxf4 27. e6 Rxb2 28. exf7+ Qxf7 29. Qc5 Qc4+ 30. Qxc4+ bxc4 31. Rc1 Ra2 32. Rc3 Kf7 33. Kg2 a5 34. Kg3 Ke6 35. Rxc4 Rxa3+ 36. Kg4 Rd3 37. f4 Rd6 38. Rc5 Ra6 39. Re5+ Kf6 40. Re3 a4 41. Ra3 Ke6 42. Kf3 Kd5 43. Ke3 Kc4 44. Kd2 Kb4 45. Rh3 a3 46. Rh1 a2 47. Ra1 Kb3 0-1

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.14"]
[Round "1"]
[White "Chavez Duero, Brayan Steven"]
[Black "Hurtado, Juan Felipe"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1890"]
[BlackElo "1600"]
[PlyCount "59"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Bb2 Nc6 4. Bb5 Bd7 5. d3 a6 6. Bxc6 Bxc6 7. Ne2 e6 8. 0-0 Nf6 9. Ng3 Be7 10. Nd2 0-0 11. f4 Nd7 12. Qe2 f5 13. exf5 exf5 14. Qe6+ Kh8 15. Nxf5 Bf6 16. c3 Qe8 17. Qxe8 Raxe8 18. Nxd6 Re6 19. N6e4 Bd8 20. Rae1 Bc7 21. g3 Rg6 22. Ng5 Bb8 23. c4 Nf6 24. Ndf3 h6 25. Nh4 Rxg5 26. fxg5 Rd8 27. gxf6 Rxd3 28. fxg7+ Kh7 29. Rf8 h5 30. Rh8# 1-0

[Event "Cali Masificacion op"]
[Site "Cali"]
[Date "2021.12.29"]
[Round "7"]
[White "Gonzalez Velasco, Leandro"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1917"]
[BlackElo "1869"]
[PlyCount "95"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Nh6 10. e6 f6 11. exd7+ Qxd7 12. Bc4 Nf7 13. 0-0 0-0 14. Bc5 Re8 15. Re1 e5 16. Qf3 f5 17. Rad1 Qb7 18. Bxf7+ Qxf7 19. Qxc6 Rb8 20. Ba3 Bb7 21. Qd7 Qc4 22. Nd5 Kh8 23. Ne3 Qe4 24. Qd3 f4 25. Qxe4 Bxe4 26. f3 Bf5 27. Nxf5 gxf5 28. b3 e4 29. Bd6 Rbc8 30. c4 Be5 31. fxe4 Bxd6 32. Rxd6 fxe4 33. Rd4 e3 34. Kf1 Rf8 35. Ke2 Rc6 36. Kf3 Ra6 37. Re2 Raf6 38. b4 R8f7 39. c5 Kg7 40. a4 a6 41. Rd6 Rb7 42. Rxf6 Kxf6 43. Rb2 Ke5 44. c6 Rb8 45. b5 axb5 46. Rxb5+ Rxb5 47. axb5 Kd6 48. g3 1-0

[Event "Cali Masificacion op"]
[Site "Cali"]
[Date "2021.12.29"]
[Round "6"]
[White "Guerra Tulcan, Lenin"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2344"]
[BlackElo "1869"]
[PlyCount "53"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Nb3 Nf6 7. Be2 d6 8. 0-0 0-0 9. Kh1 Bd7 10. f4 Rc8 11. Bf3 Rb8 12. Qe2 Ne8 13. Rd1 Nc7 14. a4 Ne6 15. Be3 Qc8 16. Rab1 b6 17. Nd5 Re8 18. Qf2 Nc5 19. Qh4 Be6 20. Nxc5 bxc5 21. c3 Bxd5 22. exd5 Na5 23. Bg4 Qb7 24. Be2 Bxc3 25. bxc3 Qxb1 26. Rxb1 Rxb1+ 27. Bg1 1-0

[Event "Cali Masificacion op"]
[Site "Cali"]
[Date "2021.12.28"]
[Round "4"]
[White "Narvaez Carvajal, Jose"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1949"]
[BlackElo "1869"]
[PlyCount "60"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 d6 6. e4 e6 7. Nge2 Nge7 8. Be3 Rb8 9. d4 Qb6 10. dxc5 Qxb2 11. cxd6 Bxc3+ 12. Nxc3 Qxc3+ 13. Bd2 Qxc4 14. dxe7 Nxe7 15. Rc1 Qd3 16. Rc3 Qd4 17. 0-0 0-0 18. Qc2 Bd7 19. Rd3 Ba4 20. Qb1 Qc4 21. Bh6 Rfe8 22. Rd2 Nc6 23. Rc1 Qb5 24. Rb2 Qa6 25. Bf1 b5 26. Kg2 e5 27. Rc5 Nd4 28. Rxe5 Rxe5 29. Qd3 Ne6 30. f4 Rh5 0-1

[Event "Cali Masificacion op"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "3"]
[White "Chavez Duero, Brayan Steven"]
[Black "Pazos Gambarrotti, Plinio Efrain"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1869"]
[BlackElo "2059"]
[PlyCount "70"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 g6 7. Be3 Bg7 8. Qd2 0-0 9. 0-0-0 d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Bc5 Qg5+ 15. Kb1 Rfd8 16. g3 Nxc3+ 17. Qxc3 e4 18. Rxd8+ Rxd8 19. Qb4 a5 20. Be7 Qe5 21. f4 Qh5 22. Qe1 Rb8 23. Bxe6 Rxb2+ 24. Kc1 fxe6 25. Qxe4 Qd5 26. Qxd5 exd5 27. a3 Kf7 28. Bd6 Bc3 29. Rf1 Ke6 30. Be5 d4 31. Rf3 Ra2 32. Kd1 c5 33. g4 Rxa3 34. f5+ Kxe5 35. f6 Bb4 0-1

[Event "Cali Masificacion op"]
[Site "Cali"]
[Date "2021.12.26"]
[Round "1"]
[White "Lopez Rayo, Santiago"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2139"]
[BlackElo "1869"]
[PlyCount "113"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 Bd7 11. 0-0 a5 12. b3 Bc6 13. f3 Nd7 14. Rab1 Nc5 15. Rfc1 Be5 16. Nd1 Qb8 17. Nf2 Rd8 18. Ng4 Bg7 19. Bg5 Re8 20. Bh6 Bh8 21. Ne3 Qa7 22. Kh1 Qb6 23. Nd5 Bxd5 24. cxd5 Qb4 25. a4 Qxd2 26. Bxd2 b6 27. Bb5 Rf8 28. Re1 Bd4 29. g3 Ra7 30. Kg2 Rc8 31. Rec1 Rb8 32. Kf1 Nd7 33. Ke2 Bc5 34. f4 Nf6 35. Kf3 e6 36. Bc3 Ne8 37. dxe6 fxe6 38. Bc4 Nc7 39. Rd1 Rd8 40. Rd2 Kf7 41. f5 gxf5 42. exf5 d5 43. fxe6+ Kxe6 44. Re1+ Kd6 45. Be5+ Kc6 46. Bxc7 Rxc7 47. Re6+ Kb7 48. Rxd5 Rxd5 49. Bxd5+ Kb8 50. Ke4 Rg7 51. Ke5 Bg1 52. Rh6 Kc7 53. Be4 Re7+ 54. Kf4 Kd7 55. h4 Rf7+ 56. Bf5+ Ke7 57. Rxh7 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.28"]
[Round "9"]
[White "Valera Padilla, Federico Jose"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1827"]
[BlackElo "1960"]
[PlyCount "83"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Bd7 11. Nd5 Rfe8 12. Nxf6+ Bxf6 13. c3 Rac8 14. a4 Qa6 15. Nc2 b6 16. f4 Qb7 17. f5 Ne5 18. Bd5 Bc6 19. Nb4 Bxd5 20. Nxd5 Bg7 21. Qc2 Nd7 22. Qd3 e6 23. fxe6 Rxe6 24. Bd4 Nc5 25. Bxc5 bxc5 26. Rab1 Rce8 27. b4 c4 28. Qxc4 Rxe4 29. Qd3 f5 30. a5 R8e5 31. c4 Re6 32. b5 Rd4 33. Qb3 Ree4 34. b6 a6 35. Rbd1 Kh8 36. Rxd4 Bxd4+ 37. Kh1 h6 38. Qg3 Re6 39. Qh4 Bg7 40. Qd8+ Kh7 41. Qc7 Qa8 42. b7 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.27"]
[Round "8"]
[White "Chavez Duero, Brayan Steven"]
[Black "Vargas Arteaga, Alexis"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1960"]
[BlackElo "2277"]
[PlyCount "123"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 Qb6 7. Qd3 Nc6 8. Nb3 e6 9. Be3 Qc7 10. 0-0-0 Be7 11. g4 Ne5 12. Qe2 b5 13. Qf2 0-0 14. Rg1 Bb7 15. g5 Nfd7 16. f4 b4 17. Nb1 Nc4 18. Bd3 Rfc8 19. N1d2 Nxe3 20. Qxe3 a5 21. Nf3 a4 22. Nbd4 Qb6 23. Kd2 Nc5 24. Ke2 Ba6 25. Kf2 Bd8 26. Kg3 Qb8 27. Rge1 b3 28. Bxa6 bxc2 29. Bxc8 cxd1Q 30. Rxd1 Qxc8 31. Nb5 Be7 32. Nxd6 Qc7 33. e5 Ra6 34. Ne4 a3 35. b3 Rc6 36. Nxc5 Rxc5 37. Qe4 Qc8 38. Rd4 Rc2 39. Rc4 Rxc4 40. Qxc4 Qb7 41. Nd4 Qe4 42. Nf3 Qb1 43. Qe2 g6 44. Qd2 Kg7 45. Ne1 h6 46. gxh6+ Kxh6 47. h4 Kg7 48. Qe2 Qb2 49. Kf3 Bxh4 50. Nd3 Qb1 51. Ke4 Be7 52. Qd2 Qh1+ 53. Kd4 Qc6 54. b4 Bd8 55. Nc5 Qf3 56. Qe3 Qd5+ 57. Kc3 Qxa2 58. Qd2 Qxd2+ 59. Kxd2 a2 60. Nb3 g5 61. fxg5 Bc7 62. Kd3 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "7"]
[White "Chavez Duero, Brayan Steven"]
[Black "Murillo Loreo, Oscar Miguel"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1960"]
[BlackElo "1775"]
[PlyCount "79"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. f3 Qa5 10. Qd2 Nxd4 11. Bxd4 Be6 12. Rc1 Rfc8 13. b3 Nd7 14. 0-0 Bxd4+ 15. Qxd4 Qc5 16. Rcd1 Ne5 17. f4 Qxd4+ 18. Rxd4 Nc6 19. Rdd1 f5 20. exf5 gxf5 21. Bf3 Rab8 22. Rfe1 Nd8 23. Rxe6 Nxe6 24. Bd5 Rc5 25. Bxe6+ Kf8 26. b4 Rc6 27. Rd5 Kg7 28. Rxf5 Rf8 29. Rxf8 Kxf8 30. Kf2 a6 31. a4 Kg7 32. f5 a5 33. b5 Rc5 34. Ne4 Re5 35. Ke3 b6 36. Kf4 h6 37. c5 Rxe4+ 38. Kxe4 dxc5 39. Kd5 Kf6 40. Kc6 1-0

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "6"]
[White "Guerrero, Hernando"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1744"]
[BlackElo "1960"]
[PlyCount "76"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. Nd5 Re8 11. Nxf6+ Bxf6 12. c3 Bd7 13. Nxc6 Bxc6 14. f3 b5 15. Bd4 Bg7 16. Bxg7 Kxg7 17. Qd4+ f6 18. Be6 Rab8 19. a3 Qb6 20. Rac1 Red8 21. Kh1 Bd7 22. Ba2 Bc6 23. Be6 Rb7 24. f4 Qxd4 25. cxd4 Bxe4 26. f5 gxf5 27. Bxf5 Bxf5 28. Rxf5 e5 29. Rc3 Rf7 30. h3 Rdd7 31. Rc6 Kg6 32. Rf3 e4 33. Re3 f5 34. g3 Kf6 35. Kg2 Ke6 36. Rc2 Kd5 37. Rd2 Rc7 38. Kf2 Rc4 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "5"]
[White "Chavez Duero, Brayan Steven"]
[Black "Munoz, Edgar Alex"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1960"]
[BlackElo "1730"]
[PlyCount "101"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. h3 Be7 6. Be3 c6 7. Qd2 Qc7 8. a4 h6 9. Bd3 a5 10. Ne2 d5 11. Ng3 dxe4 12. Nxe4 Nd5 13. Ng3 Nxe3 14. Qxe3 exd4 15. Nxd4 Qe5 16. Qxe5 Nxe5 17. 0-0-0 Nxd3+ 18. Rxd3 0-0 19. Re1 Bg5+ 20. Kb1 Rd8 21. Ne4 Be7 22. Red1 Kf8 23. g4 g6 24. f4 Rb8 25. R1d2 c5 26. Nb5 Rxd3 27. Rxd3 f5 28. Ned6 fxg4 29. Nxc8 Rxc8 30. hxg4 h5 31. gxh5 gxh5 32. Kc1 Kg7 33. Kd2 h4 34. Ke2 Rh8 35. Kf2 Kg6 36. Rd5 Rd8 37. Rxd8 Bxd8 38. Kf3 Kh5 39. Nd6 b6 40. Nf5 Bf6 41. b3 h3 42. Kg3 h2 43. Kxh2 Kg4 44. Ne3+ Kxf4 45. Nd5+ Ke5 46. Nxb6 Kd4 47. Nc4 Bd8 48. Kg2 Kc3 49. Ne3 Bg5 50. Nc4 Bd8 51. Ne3 1/2-1/2

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "4"]
[White "Rodriguez Gonzalez, Isai"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1600"]
[BlackElo "1960"]
[PlyCount "140"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d4 d6 8. dxc5 dxc5 9. Qxd8 Rxd8 10. Be3 Be6 11. Bxc5 Bxc4 12. Rfd1 Nd5 13. Nd4 Nxd4 14. Bxd4 Nxc3 15. Bxc3 Bxc3 16. bxc3 Bxe2 17. Re1 Rd2 18. Rab1 Rb8 19. Bxb7 Rxa2 20. h3 e6 21. g4 Bd3 22. Rbd1 Rxb7 23. Rxd3 Rbb2 24. Rf3 Rc2 25. Rb1 Rab2 26. Rd1 Rd2 27. Rc1 Rdc2 28. Rd1 Rb7 29. Kg2 Rc7 30. Rd8+ Kg7 31. Ra8 Ra2 32. Re3 Ra3 33. Rf3 h6 34. Re3 Kf6 35. Rf3+ Kg7 36. Re3 Ra4 37. Kg3 Rac4 38. Kg2 R4c5 39. Kh2 Rd7 40. Kg2 Kf6 41. Rf3+ Ke7 42. Rh8 a5 43. Rxh6 a4 44. Rh7 Kd6 45. Rh8 Ra7 46. Rb8 a3 47. Rb1 a2 48. Ra1 Kd5 49. h4 Kc4 50. Rxa2 Rxa2 51. Rxf7 Kd5 52. Rf6 Rc4 53. Rxg6 Rf4 54. c4+ Kxc4 55. h5 Raxf2+ 56. Kg3 R4f3+ 57. Kh4 e5 58. Rg8 Rh2+ 59. Kg5 e4 60. Kg6 Rfh3 61. Rh8 e3 62. h6 Rxh6+ 63. Rxh6 Rxh6+ 64. Kxh6 e2 65. g5 e1Q 66. g6 Qe8 67. Kh7 Kd5 68. g7 Qh5+ 69. Kg8 Ke6 70. Kf8 Qf7# 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "3"]
[White "Chavez Duero, Brayan Steven"]
[Black "Galeano Tinjaca, Manuel Camilo"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1960"]
[BlackElo "1688"]
[PlyCount "116"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. f3 Bg7 8. Be3 0-0 9. Qd2 Nxd4 10. Bxd4 Be6 11. Rc1 Qa5 12. b3 Rfc8 13. Bd3 a6 14. Be3 Nd7 15. Ne2 Qxd2+ 16. Kxd2 Nc5 17. Nf4 Rc6 18. Rc2 Bd7 19. Nd5 Kf8 20. Rhc1 e6 21. Nc3 Rac8 22. Bf1 Ke7 23. b4 Bxc3+ 24. Kxc3 Na4+ 25. Kb3 R6c7 26. f4 f6 27. Be2 b5 28. c5 dxc5 29. bxc5 Bc6 30. Bf3 Rd8 31. Kb4 Rd3 32. Bf2 e5 33. fxe5 fxe5 34. Rb1 Rcd7 35. Rb3 Rd2 36. Rxd2 Rxd2 37. Bg3 Rd4+ 38. Ka5 Nxc5 39. Rc3 Nd7 40. Ra3 b4 41. Rb3 Bxe4 42. Rxb4 Rxb4 43. Kxb4 Bd3 44. Bc6 Nb8 45. Ba4 Kd6 46. Ka5 Bf1 47. Kb6 Bxg2 48. Bxe5+ Kxe5 49. Kc7 Kd4 50. Kxb8 Kc5 51. Ka7 Kb4 52. Bb3 a5 53. Kb6 a4 54. Bg8 h6 55. Kc7 Be4 56. Kd6 Bb1 57. Ke5 Kc3 58. Kf6 a3 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "2"]
[White "Dabraccio, Guillermo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "1593"]
[BlackElo "1960"]
[PlyCount "66"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. g3 Be7 6. Bg2 0-0 7. 0-0 d5 8. Ne5 c5 9. dxc5 bxc5 10. Qb3 Qb6 11. Qxb6 axb6 12. Rd1 Rd8 13. b3 Nc6 14. Nxc6 Bxc6 15. Bf4 Ra7 16. a4 h6 17. h4 Bf8 18. Bf3 g6 19. Rac1 Bg7 20. Be5 Rad7 21. e3 Ba8 22. Nb5 dxc4 23. Rxd7 Nxd7 24. Bc7 Bxf3 25. Bxd8 cxb3 26. a5 b2 27. Rb1 bxa5 28. Bxa5 Be4 29. Na3 Bxb1 30. Nxb1 c4 31. Kf1 Nc5 32. Ke2 Ne4 33. g4 c3 0-1

[Event "COL Subzt 2.3.4"]
[Site "Risarald"]
[Date "2021.11.23"]
[Round "1"]
[White "Chavez Duero, Brayan Steven"]
[Black "Molina Soto, Yefferson"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1960"]
[BlackElo "1534"]
[PlyCount "74"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Ngf3 Nd7 6. Be2 Ne7 7. 0-0 c5 8. c3 Nc6 9. Nb3 c4 10. Nbd2 Be7 11. Ne1 b5 12. f4 h6 13. b3 0-0 14. g4 Bh7 15. f5 Bg5 16. Ng2 Qb6 17. Kh1 Rac8 18. h4 Be7 19. Qe1 b4 20. Nf3 bxc3 21. bxc4 Nxd4 22. f6 gxf6 23. Bxh6 Nc2 24. Qxc3 Nxa1 25. Bxf8 Bxf8 26. Qxa1 fxe5 27. Nxe5 Nxe5 28. Qxe5 Bg7 29. Qf4 Qc7 30. cxd5 exd5 31. Qg5 Qg3 32. Qxd5 Be5 33. Qxf7+ Kh8 34. Nf4 Be4+ 35. Bf3 Bxf3+ 36. Rxf3 Rc1+ 37. Rf1 Rxf1# 0-1

[Event "Medellin Raza op"]
[Site "Medellin"]
[Date "2021.10.09"]
[Round "7"]
[White "Chavez Duero, Brayan Steven"]
[Black "Moscoso Sanchez, Fernando"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1992"]
[BlackElo "2138"]
[PlyCount "67"]
[EventDate "2021.10.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb4+ 6. c3 Be7 7. Bd3 d5 8. 0-0 Nf6 9. exd5 Qxd5 10. Bc2 Be6 11. Qxd5 Bxd5 12. Bf4 0-0-0 13. N1d2 a5 14. Rfe1 g5 15. Bg3 Be6 16. Nf3 g4 17. Nfd4 Bxb3 18. Bxb3 Nxd4 19. Rxe7 Nb5 20. Rxf7 Ne4 21. Be6+ Kb8 22. Bxg4 Nxg3 23. hxg3 Rd2 24. Rb1 Nd6 25. Re7 Nc4 26. Re2 Rhd8 27. b3 Nb6 28. Rbe1 a4 29. c4 axb3 30. axb3 Rxe2 31. Rxe2 Rd1+ 32. Kh2 Rb1 33. Re3 Rb2 34. f4 1-0

[Event "Medellin Raza op"]
[Site "Medellin"]
[Date "2021.10.09"]
[Round "6"]
[White "Shaffer, Alexander"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1805"]
[BlackElo "1992"]
[PlyCount "88"]
[EventDate "2021.10.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. e3 Bb7 4. Bd3 e6 5. 0-0 d5 6. c4 Bd6 7. b3 0-0 8. Bb2 Ne4 9. Nbd2 f5 10. Ne5 Bxe5 11. dxe5 Nxd2 12. Qxd2 dxc4 13. bxc4 Qd7 14. Rfd1 Rd8 15. Qc2 Qc6 16. Bf1 Na6 17. Rxd8+ Rxd8 18. Rd1 Rd7 19. Rxd7 Qxd7 20. Qd3 Qxd3 21. Bxd3 Nb4 22. Bb1 Kf7 23. f4 Ba6 24. Bc3 Nc6 25. Bd3 Ke7 26. Kf2 Kd7 27. Ke2 Nd8 28. Kd2 Nb7 29. Bb4 g6 30. Kc3 c5 31. Ba3 Na5 32. Bc1 Bb7 33. g3 a6 34. Bd2 Be4 35. Bxe4 fxe4 36. g4 b5 37. cxb5 axb5 38. a3 Kc6 39. Bc1 Kd5 40. h4 h5 41. gxh5 gxh5 42. Bd2 Nc6 43. Bc1 Ne7 44. Bd2 Nf5 0-1

[Event "Medellin Raza op"]
[Site "Medellin"]
[Date "2021.10.08"]
[Round "5"]
[White "Chavez Duero, Brayan Steven"]
[Black "Zabala, Fidel"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "1992"]
[BlackElo "1929"]
[PlyCount "36"]
[EventDate "2021.10.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Nf3 Bg4 9. Be2 0-0 10. b3 Nc6 11. Rc1 e5 12. dxe5 dxe5 13. Bc5 Re8 14. h3 Bxf3 15. Bxf3 e4 16. Be2 Qg5 17. b4 Qxg2 18. Rf1 Ne5 0-1

[Event "Medellin Raza op"]
[Site "Medellin"]
[Date "2021.10.08"]
[Round "4"]
[White "Orellana Fajardo, Jose Luis"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B72"]
[BlackElo "1992"]
[PlyCount "42"]
[EventDate "2021.10.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb3 Nf6 6. Nc3 d6 7. Be2 Bg7 8. Be3 Bd7 9. f4 0-0 10. g4 a6 11. g5 Ne8 12. Nd5 Bxb2 13. Bb6 Qb8 14. Nd4 e5 15. Bc7 Nxc7 16. Nf6+ Kh8 17. Nxd7 Bc3+ 18. Kf1 Qc8 19. Bg4 Nxd4 20. Qd3 f5 21. gxf6 Bxa1 0-1

[Event "Medellin Raza op"]
[Site "Medellin"]
[Date "2021.10.07"]
[Round "3"]
[White "Chavez Duero, Brayan Steven"]
[Black "Diaz Larrea, Juan Manuel"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1992"]
[BlackElo "1585"]
[PlyCount "70"]
[EventDate "2021.10.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Qe2 0-0 8. Be3 d6 9. f3 Be6 10. 0-0-0 Ne5 11. g4 Nexg4 12. Bxb6 axb6 13. fxg4 Bxg4 14. Qd2 Bxd1 15. Qxd1 Qe7 16. Qf3 Qe5 17. h3 c6 18. Bg2 Nd7 19. Nd2 b5 20. Rd1 b4 21. Ncb1 b5 22. c4 Rxa2 23. Qb3 Rfa8 24. Qxb4 Nc5 25. Qc3 Nd3+ 26. Kc2 Nxb2 27. Qxe5 Nxd1+ 28. Kxd1 dxe5 29. cxb5 cxb5 30. Nc3 Ra1+ 31. Ke2 b4 32. Nd5 Rb8 33. Ne7+ Kf8 34. Nc6 Rb7 35. Nxe5 b3 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.16"]
[Round "10"]
[White "Chavez Duero, Brayan Steven"]
[Black "Castano Orrego, Simon"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2026"]
[BlackElo "1777"]
[PlyCount "85"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ne2 Nc6 5. dxc5 Bxc5 6. Nb3 Bb6 7. exd5 exd5 8. c3 Nf6 9. f3 0-0 10. Bg5 Be6 11. Qd2 h6 12. Bh4 Ne4 13. Bxd8 Bf2+ 14. Kd1 Nxd2 15. Kxd2 Rfxd8 16. Nf4 Bf5 17. Bd3 Bxd3 18. Nxd3 Bb6 19. Rhe1 Kf8 20. Re2 d4 21. c4 Na5 22. Nxa5 Bxa5+ 23. b4 Bc7 24. g3 a5 25. b5 a4 26. Rb1 Rac8 27. c5 Ba5+ 28. Kd1 Re8 29. Rbb2 Bc3 30. Rxe8+ Rxe8 31. Re2 Rc8 32. Re4 Rc7 33. Ke2 Rc8 34. f4 Rc7 35. Kf3 Rc8 36. Re5 Rc7 37. Ke4 Rc8 38. Kd5 Rd8+ 39. Kc4 Rc8 40. Nf2 Bb2 41. Ne4 Rc7 42. Nd6 f6 43. Re8# 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.16"]
[Round "11"]
[White "Jimenez Alvarado, Jimmy Joseph"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "1831"]
[BlackElo "2026"]
[PlyCount "39"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 a5 11. h4 h5 12. 0-0-0 a4 13. Be2 Be6 14. Kb1 Qa5 15. Nd5 Bxd5 16. cxd5 Nd7 17. Qxa5 Rxa5 18. Bd2 Raa8 19. Rc1 Nc5 20. Bb4 1/2-1/2

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.15"]
[Round "9"]
[White "Perez, Carlos Mario"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "1835"]
[BlackElo "2026"]
[PlyCount "115"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 d6 7. Be3 Ng4 8. Be2 Nxe3 9. fxe3 Bg7 10. 0-0 0-0 11. Qd2 Ne5 12. h3 Bd7 13. Rf2 a5 14. Raf1 a4 15. Nd5 Rc8 16. b3 Bc6 17. Bd1 Nd7 18. Bc2 b6 19. Qe1 Bb7 20. Rd2 e6 21. Nc3 axb3 22. axb3 Be5 23. Rd1 Qe7 24. Nf3 Bxc3 25. Qxc3 Nc5 26. Nd2 b5 27. Qd4 Ba6 28. Ra1 bxc4 29. b4 c3 30. bxc5 dxc5 31. Qxc3 Bxf1 32. Rxf1 e5 33. Bb3 Kg7 34. Nc4 f6 35. Nb6 Rb8 36. Nd5 Qb7 37. Bc4 Ra8 38. Qd3 Qa7 39. Rb1 Rab8 40. Rxb8 Rxb8 41. Qf1 Rf8 42. Kh2 Qa5 43. Qb1 Rf7 44. Qb8 Qa4 45. Nb6 Qa7 46. Qe8 Re7 47. Qg8+ Kh6 48. Qf8+ Rg7 49. Qxf6 Qe7 50. Qf2 Qg5 51. Nd5 Rb7 52. Qf8+ Rg7 53. Nf6 Qh4 54. Ng4+ Kh5 55. Qxg7 Qxg4 56. hxg4+ Kg5 57. Be2 h6 58. Qe7# 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.14"]
[Round "7"]
[White "Saladen Dulce, Rafael"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2184"]
[BlackElo "2026"]
[PlyCount "88"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. Bc4 Nc6 4. Nf3 Bg7 5. 0-0 d6 6. h3 a6 7. a4 e6 8. d3 Nge7 9. Be3 d5 10. exd5 exd5 11. Nxd5 Nxd5 12. Bxc5 Be6 13. Re1 Qd7 14. Ng5 0-0-0 15. c3 h6 16. Nxe6 fxe6 17. d4 e5 18. Qf3 exd4 19. cxd4 Qf5 20. Qg3 Qg5 21. Qxg5 hxg5 22. Rad1 Rh4 23. g3 Rxh3 24. b4 Nc7 25. b5 axb5 26. axb5 Nxd4 27. b6 Rdh8 28. Bxd4 Bxd4 29. bxc7 g4 30. Be6+ Kxc7 31. Kf1 Rh1+ 32. Ke2 Rxe1+ 33. Rxe1 Rf8 34. Bxg4 Rxf2+ 35. Kd3 Bf6 36. Rc1+ Kd6 37. Bc8 b6 38. Bb7 Ke7 39. Rc7+ Kd8 40. Rc6 b5 41. Ke3 Rf5 42. Bc8 Rg5 43. Kf4 Be7 44. Bh3 Rc5 1/2-1/2

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.14"]
[Round "6"]
[White "Valencia Gantiva, Cristian"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "1904"]
[BlackElo "2026"]
[PlyCount "110"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 a5 11. 0-0 a4 12. h3 Qa5 13. Rab1 Be6 14. Rfc1 Rfc8 15. b4 axb3 16. axb3 Qb4 17. Bd3 Nd7 18. Na4 Qxd2 19. Bxd2 Nc5 20. Nxc5 dxc5 21. Kf1 Ra3 22. g4 h5 23. f3 Bd4 24. Ke2 Ra2 25. Rc2 Rca8 26. Be3 Ra1 27. Rd2 Bc3 28. Rxa1 Rxa1 29. Rc2 Bb4 30. gxh5 Bxh3 31. Rc1 Rxc1 32. Bxc1 gxh5 33. Bb2 Kh7 34. e5+ Kh6 35. Kf2 Bd2 36. Be4 b6 37. Kg3 Bd7 38. f4 Be1+ 39. Kg2 Bg4 40. Bc1 Bd1 41. f5+ Kg7 42. Bb2 Bxb3 43. e6+ f6 44. Bd3 Bd2 45. Kh3 Bd1 46. Kg3 Kh6 47. Bxf6 exf6 48. Be4 Ba4 49. Bb7 Kg7 50. Bf3 Be1+ 51. Kh3 Be8 52. Bb7 Kf8 53. Kg2 Ke7 54. Kf3 Kd6 55. Kf4 Bd2+ 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.13"]
[Round "4"]
[White "Bolanos Lopez, Juan Jacobo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1509"]
[BlackElo "2026"]
[PlyCount "118"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 d6 7. Bc4 Nb6 8. Bb5 d5 9. 0-0 a6 10. Bxc6+ bxc6 11. b3 Bg4 12. h3 Bh5 13. Ba3 Nd7 14. g4 Bg6 15. e6 fxe6 16. Ne5 Nxe5 17. dxe5 h5 18. g5 h4 19. Qd4 Qa5 20. Qc5 Qxc5 21. Bxc5 Rd8 22. Bd4 Bf5 23. Kh2 c5 24. Bxc5 d4 25. Rd1 d3 26. Be3 g6 27. Nc3 Bg7 28. f4 0-0 29. Rac1 Rc8 30. Nb1 Rc2+ 31. Nd2 Rxa2 32. Ra1 Rc2 33. Rxa6 Rb8 34. Bf2 Rb2 35. Bd4 Rc2 36. Bf2 Rxb3 37. Nxb3 Rxf2+ 38. Kg1 Rxf4 39. Ra5 Rf3 40. Re1 Rxh3 41. Ra4 Rg3+ 42. Kf2 Rh3 43. Kg1 Rg3+ 44. Kf2 Rh3 45. Kg1 Kf7 46. Kf2 Rh2+ 47. Kg1 Rb2 48. Ra3 h3 49. Nd4 d2 50. Rd1 Bxe5 51. Nxf5 h2+ 52. Kh1 exf5 53. Rf3 Rc2 54. Kg2 Rc1 55. Rff1 Rxd1 56. Rxd1 Bf4 57. Kh3 e5 58. Ra1 Bxg5 59. Kxh2 e4 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.13"]
[Round "5"]
[White "Chavez Duero, Brayan Steven"]
[Black "Mateus Urbano, Luis Alejandro"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2026"]
[BlackElo "2352"]
[PlyCount "58"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. g4 d5 10. exd5 Nxd5 11. Nxd5 Bh4+ 12. Bf2 Bxf2+ 13. Kxf2 Bxd5 14. c4 Qh4+ 15. Ke3 Be6 16. Nc5 0-0 17. Bd3 Nc6 18. Qe1 Qe7 19. Nb3 Nb4 20. Qe2 b5 21. Rhd1 Nxd3 22. Qxd3 bxc4 23. Qd6 Qg5+ 24. Kf2 cxb3 25. axb3 Rac8 26. Qd2 Qh4+ 27. Kg2 e4 28. Qf2 exf3+ 29. Qxf3 Rc2+ 0-1

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.12"]
[Round "2"]
[White "Avila Pavas, Santiago"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2373"]
[BlackElo "2026"]
[PlyCount "49"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 a5 11. 0-0 a4 12. Rab1 Qa5 13. b4 axb3 14. axb3 Re8 15. b4 Qe5 16. f4 Qe6 17. Nb5 Qxe4 18. Nc7 Ra3 19. Nxe8 Rxe3 20. Bf3 Qxf4 21. Nxf6+ Bxf6 22. Bxb7 Bd4 23. Kh1 Qh4 24. Bxc8 Be5 25. Bh3 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.12"]
[Round "3"]
[White "Chavez Duero, Brayan Steven"]
[Black "Torres, Saulo de Jesus"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2026"]
[BlackElo "1773"]
[PlyCount "65"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nf6 6. Nc3 d6 7. f3 Nc6 8. Be3 0-0 9. Qd2 Nxd4 10. Bxd4 Be6 11. Rc1 Qa5 12. Bd3 Nd7 13. Bxg7 Kxg7 14. b3 Ne5 15. f4 Nxd3+ 16. Qxd3 Qc5 17. Na4 Qa5+ 18. Qd2 Qxd2+ 19. Kxd2 f5 20. Rhe1 Rf7 21. e5 dxe5 22. Rxe5 Rd8+ 23. Kc3 Bc8 24. Rce1 Kf6 25. Ra5 a6 26. Nb6 g5 27. Rc5 Rff8 28. Nd5+ Rxd5 29. fxg5+ Kxg5 30. cxd5 Kf6 31. Rc7 e5 32. Kb4 e4 33. Rec1 1-0

[Event "COL-ch sf"]
[Site "Santa Rosa"]
[Date "2021.08.11"]
[Round "1"]
[White "Chavez Duero, Brayan Steven"]
[Black "Ospina Betancur, Santiago"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2026"]
[BlackElo "1280"]
[PlyCount "91"]
[EventDate "2021.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nce7 9. c4 Nxd5 10. Qxd5 Be6 11. Qb7 Nf6 12. cxb5 d5 13. bxa6 Bxa3 14. Bb5+ Nd7 15. bxa3 dxe4 16. 0-0 0-0 17. Qxe4 Qa5 18. Qb4 Qc7 19. Be3 Nb6 20. Rfc1 Qb8 21. Bc6 Rxa6 22. Rab1 Nd7 23. Bb7 Rd6 24. Ba7 Qxa7 25. Qxd6 Nf6 26. Qc5 Qa4 27. Qb4 Qa7 28. a4 Rb8 29. a5 h6 30. a6 Nd7 31. Rc8+ Kh7 32. Rxb8 Nxb8 33. Be4+ f5 34. Qxb8 Qxa6 35. Qxe5 fxe4 36. Qxe4+ Kg8 37. Rb8+ Bc8 38. Qe8+ Kh7 39. Qxc8 Qf6 40. Qc2+ g6 41. Rb7+ Kg8 42. Qc8+ Qf8 43. Qe6+ Kh8 44. Qxg6 Qxf2+ 45. Kxf2 h5 46. Qg7# 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.08"]
[Round "8"]
[White "Chavez Duero, Brayan Steven"]
[Black "Dominguez, Laura Lucia"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "2026"]
[BlackElo "1955"]
[PlyCount "60"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Nc3 Nc6 8. Be3 Bg4 9. h3 Bxf3 10. Qxf3 Bg7 11. Rd1 0-0 12. Be2 Rc8 13. 0-0 Qe8 14. Qg3 h6 15. b3 Kh7 16. Nb5 a6 17. Nc3 Nd7 18. h4 e5 19. d5 Nd8 20. f3 f5 21. Qe1 Nf7 22. Bd3 h5 23. b4 Qe7 24. Na4 e4 25. fxe4 fxe4 26. Be2 Nh6 27. c5 Nf5 28. Rxf5 Rxf5 29. cxd6 Qxd6 30. Qd2 Qg3 0-1

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.08"]
[Round "9"]
[White "Dominguez Rincon, Miller Duvan"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2106"]
[BlackElo "2026"]
[PlyCount "115"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Nc6 4. Nf3 Bg7 5. Bc4 d6 6. 0-0 e6 7. d3 Nge7 8. Qe1 Nd4 9. Nxd4 cxd4 10. Ne2 0-0 11. Bb3 a5 12. a4 Qc7 13. Qg3 Kh8 14. Kh1 Bd7 15. Bd2 b5 16. axb5 Bxb5 17. Qg5 f5 18. e5 Nc6 19. Rf3 dxe5 20. Rh3 Qf7 21. fxe5 Nxe5 22. Nxd4 Bd7 23. Bc3 Ng4 24. Qh4 h6 25. Re1 Rae8 26. Nf3 Bxc3 27. bxc3 Qf6 28. Ne5 Qxh4 29. Rxh4 Nxe5 30. Rxe5 a4 31. Ba2 Rb8 32. Rb4 Rfc8 33. Bc4 Ra8 34. Kg1 a3 35. Re1 Ra7 36. Kf2 Kg7 37. Ra1 Kf6 38. Rb3 Rca8 39. Ke3 Ra5 40. d4 Bc6 41. Rb6 Rc8 42. Bb3 Ke7 43. Kd2 Kd7 44. Re1 Kc7 45. Rb4 Bxg2 46. Rc4+ Bc6 47. Rxe6 Kd7 48. Re1 f4 49. Rb4 Rh5 50. Be6+ Kc7 51. Bxc8 Kxc8 52. Re6 Rxh2+ 53. Kd3 Bd7 54. Ra6 Bf5+ 55. Kc4 f3 56. Kc5 Rxc2 57. Kd6 Be4 58. Rab6 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.07"]
[Round "7"]
[White "Alvarez Angel, Nelson Eduardo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2078"]
[BlackElo "2026"]
[PlyCount "130"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Bg5 e6 5. a3 d5 6. cxd5 exd5 7. e3 Be7 8. Bd3 0-0 9. Nge2 Nbd7 10. 0-0 h6 11. Bh4 c5 12. Rc1 a6 13. dxc5 bxc5 14. Bf5 Bc6 15. Qc2 Rb8 16. Rfd1 Nb6 17. b3 Re8 18. Rd2 Rb7 19. Rcd1 Qb8 20. Bg3 Qa8 21. Nf4 a5 22. Nce2 a4 23. b4 Nc4 24. bxc5 Rb2 25. Qc1 Rxd2 26. Rxd2 Nxd2 27. Qxd2 Bxc5 28. Qc3 Bb6 29. Bh4 Ne4 30. Qa1 Bc7 31. Nd3 Bb5 32. Nec1 Qb8 33. Bg3 Bxg3 34. hxg3 Bxd3 35. Nxd3 Qb6 36. Bd7 Ra8 37. Nb4 Qf6 38. Qa2 Nc3 39. Qc2 d4 40. exd4 Qxd4 41. Bc6 Ra7 42. Kh2 Ra5 43. Bf3 Rc5 44. Qb2 Nb5 45. Qe2 Qe5 46. Qd1 Qd6 47. Qxa4 Nc7 48. Qb3 Ne6 49. Qe3 Qd4 50. Qxd4 Nxd4 51. g4 Rc3 52. Be4 Rxa3 53. f3 g6 54. Nc2 Nxc2 55. Bxc2 Kg7 56. f4 Rc3 57. Bb1 Kf6 58. Ba2 Ra3 59. Bb1 g5 60. g3 Rb3 61. Bh7 Rb4 62. fxg5+ hxg5 63. Kg2 Rxg4 64. Kf3 Rb4 65. Bc2 Ke5 0-1

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.07"]
[Round "6"]
[White "Chavez Duero, Brayan Steven"]
[Black "Castano, Saray"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2026"]
[BlackElo "1658"]
[PlyCount "63"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. h4 Rfc8 13. h5 Rab8 14. Nb5 Qd7 15. Nxa7 Rf8 16. Nb5 Ra8 17. a3 Ra4 18. hxg6 fxg6 19. b3 Ra6 20. Bb2 Rc8 21. Nd4 Raa8 22. Bb5 Rc6 23. e5 dxe5 24. Nxc6 bxc6 25. Qxd7 Bxd7 26. Bc4+ Kf8 27. a4 Ra7 28. Bxe5 h5 29. Rhe1 Ke8 30. Bd4 Ra8 31. Bc5 Bf8 32. Rd6 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.06"]
[Round "4"]
[White "Chavez Duero, Brayan Steven"]
[Black "Leon Acevedo, Juan Alejandro"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2026"]
[BlackElo "1858"]
[PlyCount "53"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 Ba6 12. Kf3 f5 13. exf6 Nxf6 14. Be3 c5 15. Nxf6+ gxf6 16. Kf2 Ba5 17. Rb1 Qc6 18. Qh5+ Kd8 19. Qxc5 Qa4 20. Qd4 Ke7 21. Be2 Rhg8 22. Rhd1 Bb7 23. Qd6+ Ke8 24. g3 Rc8 25. b3 Qb4 26. Bh5+ Rg6 27. Qxd7+ 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.06"]
[Round "5"]
[White "Munoz, Julian Andres"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2154"]
[BlackElo "2026"]
[PlyCount "87"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bg5 e6 4. e4 h6 5. Bxf6 Qxf6 6. Nc3 Bb7 7. Qd2 Bb4 8. Bd3 c5 9. e5 Qe7 10. a3 Ba5 11. dxc5 bxc5 12. Qf4 0-0 13. 0-0 f6 14. Ne4 fxe5 15. Qxe5 d5 16. Nxc5 Qxc5 17. Qxe6+ Rf7 18. b4 Qc6 19. Qxc6 Nxc6 20. bxa5 Nxa5 21. Ne5 Rc7 22. Rab1 Rc3 23. a4 Bc6 24. Rb4 Ra3 25. Rfb1 g5 26. h4 Re8 27. Nxc6 Nxc6 28. Rb7 Re6 29. Rc7 Rxa4 30. Bf5 Rf6 31. Bd7 Rb4 32. Re1 Nd4 33. c3 Rb2 34. cxd4 Rfxf2 35. Be6+ Kf8 36. Bxd5 gxh4 37. Rxa7 Rbe2 38. Rb1 Rb2 39. Rxb2 Rxb2 40. Be6 Re2 41. d5 Ke8 42. Kh2 Kd8 43. Kh3 Re4 44. Rh7 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.05"]
[Round "2"]
[White "Gonzalez Lopez, Nicolas Mateo"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1/2-1/2"]
[ECO "B74"]
[WhiteElo "2205"]
[BlackElo "2026"]
[PlyCount "64"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d6 9. Kh1 a6 10. f4 Bd7 11. Nb3 Rc8 12. a4 Be6 13. Bf3 Na5 14. Nxa5 Qxa5 15. Nd5 Bxd5 16. exd5 Qb4 17. Ra2 Nd7 18. Qe2 Qc4 19. Qxc4 Rxc4 20. b3 Rc7 21. c4 b5 22. Be2 bxc4 23. Bxc4 Rb8 24. Re2 Bf6 25. g4 a5 26. g5 Bc3 27. Rf3 Bb4 28. Bd4 Nc5 29. f5 gxf5 30. Bxc5 Bxc5 31. Rxf5 Bd4 32. Re4 Be5 1/2-1/2

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.04"]
[Round "1"]
[White "Chavez Duero, Brayan Steven"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2026"]
[BlackElo "1245"]
[PlyCount "107"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Be7 5. Be3 Nf6 6. Nd2 d6 7. Be2 0-0 8. 0-0 Bd7 9. c3 Ne5 10. h3 c5 11. Nc2 Bc6 12. f4 Ng6 13. Bd3 b5 14. Ne1 d5 15. e5 Ne4 16. Nef3 Qc7 17. Qc2 Nxd2 18. Bxd2 Rad8 19. Rae1 Rfe8 20. e6 fxe6 21. Bxg6 hxg6 22. Rxe6 Bf6 23. Rxe8+ Bxe8 24. Be3 Bf7 25. Qf2 Rc8 26. g4 a5 27. g5 Be7 28. Nh4 Rf8 29. f5 gxf5 30. Qxf5 Qc6 31. Qd3 c4 32. Qd4 Be6 33. Rxf8+ Bxf8 34. Ng6 Bxh3 35. Nf4 Be6 36. Qe5 Bf7 37. Bd4 a4 38. Kf1 Kh8 39. Qf5 Kg8 40. g6 Be8 41. Qh5 Bxg6 42. Nxg6 Qe8 43. Qh8+ Kf7 44. Nxf8 Qxf8 45. Qxf8+ Kxf8 46. Kf2 g6 47. Ke3 Kf7 48. Be5 Ke6 49. Kd4 g5 50. Bb8 g4 51. Bg3 Kf6 52. Kxd5 Kf5 53. Kc5 Ke4 54. Kxb5 1-0

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.04"]
[Round "6"]
[White "Chavez Duero, Brayan Steven"]
[Black "Hernandez Pinzon, Helvert"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2053"]
[BlackElo "1938"]
[PlyCount "114"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[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 Bxf6 11. c3 Bg5 12. Nc2 Rb8 13. a4 bxa4 14. Ncb4 Nxb4 15. Nxb4 Bd7 16. Bxa6 0-0 17. 0-0 Qb6 18. Bc4 Qc5 19. Qd3 Rbc8 20. Ba6 Rcd8 21. Qc4 Qxc4 22. Bxc4 Kh8 23. Rfd1 Bg4 24. f3 Be3+ 25. Kh1 Bd7 26. Rxd6 Bc5 27. Rd5 Bxb4 28. cxb4 Bc6 29. Rc5 Ba8 30. h3 Rd2 31. Rxe5 g6 32. Rxa4 Rxb2 33. b5 h5 34. Bxf7 Rxf7 35. Rxa8+ Kg7 36. h4 Rf4 37. Kh2 Rxf3 38. Ra7+ Rf7 39. Rxf7+ Kxf7 40. Kg3 Kf6 41. Rc5 Rb1 42. Kf3 Rf1+ 43. Ke2 Rg1 44. Kf2 Rb1 45. Ke3 Re1+ 46. Kd4 Rd1+ 47. Kc4 Ke6 48. b6 Rc1+ 49. Kb5 Rg1 50. b7 Kd7 51. Kb6 Rb1+ 52. Rb5 Rxb5+ 53. Kxb5 Kc7 54. Kc5 Kxb7 55. Kd6 Kc8 56. Ke6 Kd8 57. Kf7 Kd7 1-0

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.04"]
[Round "7"]
[White "Palomino Escobar, Daniel Fernando"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1829"]
[BlackElo "2053"]
[PlyCount "102"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. h3 b4 10. Nd1 a5 11. c3 Nc6 12. f4 e6 13. f5 exf5 14. exf5 Ne5 15. fxg6 hxg6 16. Bf4 Ne7 17. Nf2 Ba6 18. 0-0 Qb6 19. Rac1 Rd8 20. Rfd1 Bc8 21. g4 Be6 22. Qc2 b3 23. Qd2 bxa2 24. Ne4 Nd5 25. Ra1 Nxd3 26. Bxd6 c4+ 27. Nd4 Rxd6 28. Nxd6+ Qxd6 29. Nxe6 Qxe6 30. Rxa2 0-0 31. Ra4 N5f4 32. Kh1 Rb8 33. b4 axb4 34. cxb4 c3 35. Qc2 Ne1 36. Qe4 Nexg2 37. Qxe6 fxe6 38. b5 Ne3 39. Rd7 c2 40. Rc7 Nfd5 41. Rc5 Rxb5 42. Ra8+ Kh7 43. Rxc2 Nxc2 44. Kg2 Rb3 45. Ra4 g5 46. Re4 Nf4+ 47. Kf2 Bd4+ 48. Rxd4 Nxd4 49. Kg1 Rb2 50. Kh1 Nf3 51. h4 Rh2# 0-1

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.03"]
[Round "4"]
[White "Chavez Duero, Brayan Steven"]
[Black "Gomez Saenz, Manuela"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2053"]
[BlackElo "1554"]
[PlyCount "43"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Bb2 Nc6 4. Bb5 Bd7 5. f4 Nf6 6. d3 a6 7. Bxc6 Bxc6 8. Nd2 e6 9. h3 Be7 10. Ne2 0-0 11. 0-0 b5 12. Ng3 Nd7 13. e5 dxe5 14. fxe5 Qc7 15. Qe2 Rad8 16. Rae1 Nb6 17. Qg4 Rfe8 18. Nde4 Kh8 19. Rxf7 Rg8 20. Ng5 Qd7 21. Qh5 h6 22. Qxh6+ 1-0

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.03"]
[Round "5"]
[White "Lopez Trujillo, Alfonso"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1703"]
[BlackElo "2053"]
[PlyCount "128"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. exd5 Nf6 4. Nc3 Nxd5 5. Nxd5 Qxd5 6. Qf3 e6 7. Bd3 c4 8. Be4 Qb5 9. c3 Na6 10. d4 cxd3 11. Bxd3 Qb6 12. Ne2 Bc5 13. b4 Be7 14. Be3 Qc6 15. Be4 Qc7 16. 0-0 0-0 17. Bd4 f5 18. Bd3 Bd7 19. Rac1 Bf6 20. Bc2 Kh8 21. Bb3 Bc6 22. Qe3 Rae8 23. Bxa7 e5 24. Qb6 exf4 25. Nd4 Bxd4+ 26. cxd4 Qxb6 27. Bxb6 Rf6 28. a3 Bb5 29. Rxf4 Rxb6 30. Rxf5 Bd3 31. Rf7 Bg6 32. Rd7 Nb8 33. Rdc7 Nc6 34. Rd7 Rd8 35. Rxd8+ Nxd8 36. Kf2 Rd6 37. Ke3 Bf7 38. Bxf7 Nxf7 39. Rc8+ Rd8 40. Rxd8+ Nxd8 41. d5 Kg8 42. Kd4 Kf7 43. Ke5 Ke7 44. a4 Nf7+ 45. Kd4 Kd6 46. a5 Nh6 47. b5 Nf5+ 48. Ke4 Ne7 49. a6 bxa6 50. bxa6 Nxd5 51. a7 Nc7 52. g4 Ke6 53. h4 h6 54. Kf4 g6 55. g5 h5 56. Ke4 Kd6 57. Kf4 Kd5 58. Kf3 Ke5 59. Ke3 Kf5 60. Kf3 Na8 61. Ke3 Kg4 62. Kd4 Kxh4 63. Kd5 Kxg5 64. Kc6 h4 0-1

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.02"]
[Round "3"]
[White "Abreu, Williams"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1767"]
[BlackElo "2053"]
[PlyCount "117"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Bc4 Nc6 6. Qd3 d6 7. Nc3 Bg7 8. Bg5 0-0 9. 0-0-0 Nd7 10. Bb3 Nc5 11. Qe3 Qa5 12. Bh6 Bg4 13. h3 Bxf3 14. gxf3 Rac8 15. Kb1 Nb4 16. Bxg7 Kxg7 17. h4 Nxb3 18. cxb3 Qc5 19. Qd2 h6 20. f4 f5 21. f3 h5 22. Rhg1 Kh7 23. Rg5 Rf7 24. Rdg1 Rg8 25. Qg2 Rfg7 26. exf5 Qxf5+ 27. Ne4 Qxf4 28. Rb5 Nd3 29. Ng5+ Kh6 30. Ne6 Qe3 31. Nxg7 Rxg7 32. Qg5+ Qxg5 33. hxg5+ Kh7 34. Rxb7 a5 35. Rd1 Ne5 36. f4 Nf3 37. Rd3 Nh4 38. Re3 Nf5 39. Re1 Rg8 40. Rb5 Kg7 41. Rxa5 Rh8 42. Rd5 h4 43. a4 h3 44. Rd2 Nh4 45. Rf2 Rh7 46. a5 Kf7 47. a6 Ng2 48. Rh1 Ke6 49. a7 Rh8 50. Kc2 Kf5 51. b4 Kg4 52. b5 Kg3 53. Rff1 Nxf4 54. Re1 Ra8 55. Rxe7 Nh5 56. Rh7 Kg2 57. Rxh3 Kxh3 58. b6 Kg2 59. Rxh5 1-0

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.02"]
[Round "2"]
[White "Chavez Duero, Brayan Steven"]
[Black "Valencia Gantiva, Cristian"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2053"]
[BlackElo "1920"]
[PlyCount "44"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. b3 b6 3. Bb2 Bb7 4. Nc3 e6 5. d4 cxd4 6. Qxd4 Nc6 7. Qd2 a6 8. a3 Nf6 9. Rd1 Qc7 10. g3 b5 11. Bg2 b4 12. Nb1 Rc8 13. Bxf6 gxf6 14. axb4 Bxb4 15. c3 Bc5 16. Ne2 Ne5 17. 0-0 h5 18. b4 Ba7 19. Na3 h4 20. c4 hxg3 21. hxg3 f5 22. Nc3 Nf3+ 0-1

