[Event "Dosquebradas Fiestas del Progreso"]
[White "Bermudez Rojas, Alejandro"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Dosquebradas"]
[Round "8"]
[Result "0-1"]
[Date "2024.12.08"]
[ECO "B78"]
[WhiteElo "1731"]
[BlackElo "2255"]
[PlyCount "142"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Ne5 10. Bb3 Bd7 11. 0-0-0 Rc8 12. Kb1 Re8 13. h4 h5 14. g4 b5 15. gxh5 Nxh5 16. Rdg1 a5 17. a3 b4 18. axb4 axb4 19. Nd5 e6 20. Nxb4 Qa5 21. Na2 Qxd2 22. Bxd2 Nc4 23. Bc3 Bxd4 24. Bxd4 Nd2+ 25. Ka1 Nxf3 26. Rd1 Nxd4 27. Rxd4 Bc6 28. Nc3 Nf6 29. Rf1 Kg7 30. Rxd6 Rh8 31. e5 Nd7 32. Re1 Nc5 33. Ba2 Rxh4 34. Ne2 Re4 35. Rdd1 Rxe5 36. Nd4 Rxe1 37. Rxe1 Bd7 38. b4 Na6 39. b5 Nc5 40. b6 Rb8 41. Rb1 Na4 42. c4 Rxb6 43. Rxb6 Nxb6 44. c5 Na4 45. c6 Bc8 46. Bc4 Kf6 47. Nb5 Ke5 48. Na7 Nb6 49. Nxc8 Nxc8 50. Ba6 Ne7 51. c7 g5 52. c8Q Nxc8 53. Bxc8 g4 54. Bb7 Kf4 55. Kb2 Ke3 56. Kc1 Kf2 57. Kd2 g3 58. Bh1 g2 59. Bxg2 Kxg2 60. Ke3 f5 61. Kf4 Kh3 62. Kf3 e5 63. Kf2 e4 64. Ke3 Kg3 65. Ke2 f4 66. Kf1 f3 67. Kg1 e3 68. Kf1 e2+ 69. Ke1 Kg2 70. Kd2 Kf1 71. Kd3 e1Q 0-1

[Event "Dosquebradas Fiestas del Progreso"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Lopez Idarraga, Daniel Eduardo"]
[Site "Dosquebradas"]
[Round "7"]
[Result "0-1"]
[Date "2024.12.07"]
[ECO "D15"]
[WhiteElo "2255"]
[BlackElo "1976"]
[PlyCount "126"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. a4 Bf5 6. a5 e6 7. Qb3 Ra7 8. e3 h6 9. Bd2 Nbd7 10. Na4 Ne4 11. Bb4 Bxb4+ 12. Qxb4 Qe7 13. Qb3 0-0 14. Be2 Bg4 15. Nb6 Nxb6 16. Qxb6 Raa8 17. h3 Bxf3 18. gxf3 Nd6 19. Qb4 Qc7 20. Rg1 Rfe8 21. f4 Ne4 22. c5 Qe7 23. Bd3 Rad8 24. Ke2 Qh4 25. Bxe4 dxe4 26. Rg4 Qh5 27. Kd2 e5 28. fxe5 Qxe5 29. Rag1 g5 30. h4 f5 31. Rf4 g4 32. h5 Re7 33. Kc3 Qd5 34. Qa4 Kh7 35. b3 Rg7 36. Qc4 Rg5 37. Qxd5 Rxd5 38. Rh1 Kg7 39. Kd2 Kf6 40. Ke2 Rd7 41. Kf1 g3 42. Rhh4 gxf2 43. Rxf2 Ke6 44. Rhh2 Rdg7 45. Rfg2 Kd5 46. Rxg5 Rxg5 47. Rh4 Rg3 48. Ke2 Rg2+ 49. Kd1 Rb2 50. Rf4 Ke6 51. Rf1 Rxb3 52. Kd2 Rb2+ 53. Kc3 Re2 54. Kc4 Rxe3 55. Rg1 f4 56. Rg6+ Kf7 57. d5 cxd5+ 58. Kd4 Rd3+ 59. Ke5 e3 60. Kf5 e2 61. Rf6+ Kg7 62. Rg6+ Kh7 63. Kf6 Rg3 0-1

[Event "Dosquebradas Fiestas del Progreso"]
[White "Santos Caballero, Edna Liliana"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Dosquebradas"]
[Round "6"]
[Result "0-1"]
[Date "2024.12.07"]
[ECO "E81"]
[WhiteElo "1751"]
[BlackElo "2255"]
[PlyCount "68"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f3 d6 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Rd1 Be6 11. Nd5 Nd7 12. Ba3 a5 13. Bd3 Bxd5 14. cxd5 Nb4 15. Bb1 Nc5 16. b3 e6 17. dxe6 Rxd1+ 18. Kxd1 Rd8+ 19. Ke2 Nxe6 20. Bxb4 axb4 21. Nh3 Nd4+ 22. Kf2 Nb5 23. Nf4 Rd2+ 24. Ke3 Rb2 25. Rd1 Bd4+ 26. Rxd4 Nxd4 27. Bd3 Ne6 28. Nxe6 fxe6 29. Bc4 Kf7 30. g4 Rxh2 31. Kf4 h5 32. Kg3 Rxa2 33. gxh5 gxh5 34. f4 Rc2 0-1

[Event "Dosquebradas Fiestas del Progreso"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Munoz Galvez, Jhon Edison"]
[Site "Dosquebradas"]
[Round "5"]
[Result "1/2-1/2"]
[Date "2024.12.06"]
[ECO "B99"]
[WhiteElo "2255"]
[BlackElo "2252"]
[PlyCount "100"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bd3 Bb7 11. Rhe1 Be7 12. Nd5 Nxd5 13. exd5 Bxg5 14. fxg5 Ne5 15. Qh3 Bxd5 16. g6 0-0-0 17. gxf7 Qxf7 18. Kb1 Nxd3 19. Qxd3 Kb8 20. a4 e5 21. Nf5 Ba2+ 22. Ka1 Bc4 23. Nxd6 Qe6 24. Qa3 Bd5 25. axb5 Rxd6 26. c4 axb5 27. cxd5 Qg6 28. Qd3 Qxd3 29. Rxd3 Re8 30. Ka2 Kb7 31. Kb3 Kb6 32. Kb4 e4 33. Rd4 e3 34. Re2 Re5 35. Kc3 Kc5 36. b4+ Kb6 37. Rd3 Rexd5 38. Rxd5 Rxd5 39. Rxe3 Rg5 40. Re6+ Kc7 41. g3 Kd7 42. Ra6 Rh5 43. h4 g5 44. hxg5 Rxg5 45. Ra7+ Kc6 46. Rxh7 Rxg3+ 47. Kd4 Rg4+ 48. Kc3 Rg3+ 49. Kd4 Rg4+ 50. Kc3 Rg3+ 1/2-1/2

[Event "Dosquebradas Fiestas del Progreso"]
[White "Salazar Grisales, Juan Jose"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Dosquebradas"]
[Round "4"]
[Result "1-0"]
[Date "2024.12.06"]
[ECO "E07"]
[WhiteElo "2003"]
[BlackElo "2255"]
[PlyCount "163"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Nbd7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 c6 8. Qd3 b6 9. e4 a5 10. b3 Ba6 11. Rd1 b5 12. Ne5 bxc4 13. bxc4 Nxe5 14. dxe5 Bxc4 15. exf6 Bxd3 16. fxe7 Qxe7 17. Rxd3 Rfb8 18. Be3 Rb4 19. Rad1 Rc8 20. exd5 cxd5 21. Bxd5 h6 22. Bf3 Qf6 23. Bd2 Rd4 24. Ne4 Rxd3 25. Nxf6+ gxf6 26. Be3 Ra3 27. Rd2 Rc7 28. Kg2 Kg7 29. Bb6 Rcc3 30. Bh5 Rd3 31. Rb2 a4 32. Be2 Rd7 33. Ba5 Rd4 34. Bb5 Kg6 35. Bb4 Rxa2 36. Rxa2 Rxb4 37. Bxa4 f5 38. Be8 Rb8 39. Bd7 Kf6 40. Rc2 Rb7 41. Bc8 Ra7 42. Rb2 Ra8 43. Bd7 Ra7 44. Bc6 Rc7 45. Bf3 Kg6 46. Rb7 Rc8 47. Be2 Rd8 48. Bb5 Kf6 49. Be2 Kg6 50. Bf3 Rc8 51. Kh3 Rd8 52. Bc6 Rc8 53. Bb5 Rd8 54. f4 Kg7 55. Kh4 Kg6 56. Re7 Kf6 57. Re8 Rd5 58. Bc6 Rd2 59. h3 Rc2 60. Bf3 Rc7 61. Rg8 Rc3 62. Ba8 e5 63. fxe5+ Kxe5 64. Rh8 Ra3 65. Bb7 Rb3 66. Bc6 f4 67. g4 f3 68. Rxh6 f2 69. Bg2 Rf3 70. Bf1 f5 71. g5 Rc3 72. Rb6 Rc1 73. Ba6 Ra1 74. Bd3 f1Q 75. Bxf1 Rxf1 76. Kh5 f4 77. h4 f3 78. Rf6 Ke4 79. Kg6 f2 80. h5 Ke3 81. h6 Ra1 82. Rxf2 1-0

[Event "Dosquebradas Fiestas del Progreso"]
[White "Ducuara Alape, Ronaldo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Dosquebradas"]
[Round "2"]
[Result "0-1"]
[Date "2024.12.05"]
[ECO "C90"]
[WhiteElo "1795"]
[BlackElo "2255"]
[PlyCount "68"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. c3 0-0 8. 0-0 d6 9. Re1 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. Nf1 Re8 13. Ng3 Bf8 14. a4 Rb8 15. axb5 axb5 16. Be3 g6 17. Qe2 d5 18. Bg5 Bg7 19. exd5 Qxd5 20. Ne4 Nxe4 21. dxe4 Qd6 22. Red1 Qc7 23. Nd2 h6 24. Be3 Nd4 25. cxd4 exd4 26. Nb3 dxe3 27. Qxe3 c4 28. Ra7 Rb7 29. Rxb7 Bxb7 30. Nd4 Qc5 31. b4 cxb3 32. Bxb3 Rxe4 33. Qf3 Re7 34. Qg4 Qxd4 0-1

[Event "Dosquebradas Fiestas del Progreso"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Cardona Marin, Fabio"]
[Site "Dosquebradas"]
[Round "3"]
[Result "1-0"]
[Date "2024.12.05"]
[ECO "C02"]
[WhiteElo "2255"]
[BlackElo "1874"]
[PlyCount "55"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. e4 e6 2. d4 d5 3. e5 b6 4. c4 Ne7 5. Nc3 Bb7 6. Nf3 h6 7. Bd3 a6 8. 0-0 c6 9. c5 b5 10. h4 Ng8 11. h5 Bc8 12. g3 Ra7 13. Nh4 Ne7 14. Qg4 Qd7 15. Qf4 Rg8 16. Bd2 g5 17. hxg6 Nxg6 18. Qg4 Nxh4 19. Qxg8 Nf3+ 20. Kg2 Nxd2 21. Rh1 Ke7 22. b3 b4 23. Na4 Ne4 24. Nb6 Qe8 25. f3 Nc3 26. Nxc8+ Qxc8 27. Rxh6 Ke8 28. Qxf8+ 1-0

[Event "Dosquebradas Fiestas del Progreso"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Acevedo Vergara, Jorge Luis"]
[Site "Dosquebradas"]
[Round "1"]
[Result "1-0"]
[Date "2024.12.04"]
[ECO "C41"]
[WhiteElo "2255"]
[BlackElo "1689"]
[PlyCount "57"]
[EventDate "2024.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 f6 5. 0-0 Nb6 6. Bb3 Qe7 7. Nc3 Bd7 8. a4 0-0-0 9. a5 Na8 10. a6 b6 11. dxe5 dxe5 12. Bxg8 Bb5 13. Nxb5 Rxd1 14. Nxa7+ Kd7 15. Rxd1+ Ke8 16. Nc6 Rxg8 17. Nxe7 Bxe7 18. Be3 Bd6 19. Nd2 Kf7 20. Nc4 Be7 21. Rd7 Re8 22. f4 Kg6 23. f5+ Kf7 24. a7 g6 25. Bxb6 c6 26. Nd6+ Kf8 27. Nxe8 Kxe8 28. Rb7 Bd8 29. Rd1 1-0

[Event "South America-ch 2nd"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Vivas Zamora, Fabian Ernesto"]
[Site "Coliseo Miguel Grau"]
[Round "9"]
[Result "1/2-1/2"]
[Date "2024.08.03"]
[ECO "D82"]
[WhiteElo "2250"]
[BlackElo "2386"]
[PlyCount "92"]
[EventDate "2024.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Qa4+ Qxa4 8. Nxa4 Bd7 9. Nc3 Ne4 10. Nxd5 Na6 11. f3 Nexc5 12. 0-0-0 e6 13. Nc7+ Nxc7 14. Bxc7 Rc8 15. Bd6 b5 16. b3 bxc4 17. Bxc4 Na4 18. Kd2 Bc3+ 19. Ke2 Nb2 20. Rb1 Nxc4 21. bxc4 Rxc4 22. Nh3 Ba5 23. Rhc1 Rxc1 24. Rxc1 Bb5+ 25. Kf2 Kd7 26. Be5 Rc8 27. Rxc8 Kxc8 28. Ng5 f5 29. Nxh7 Bb4 30. Kg3 Kd8 31. Bb2 Ke8 32. Kf4 Bc4 33. Kg5 Kf7 34. Kh6 Be7 35. a3 Bf1 36. g3 Be2 37. f4 a5 38. a4 Bd1 39. Bc3 Bd8 40. h4 Bxa4 41. h5 gxh5 42. Ng5+ Bxg5+ 43. fxg5 Kg8 44. Kxh5 Bd1+ 45. Kg6 a4 46. Kf6 Bb3 1/2-1/2

[Event "South America-ch 2nd"]
[White "Parra Gonzales, Andre Leonardo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Coliseo Miguel Grau"]
[Round "8"]
[Result "0-1"]
[Date "2024.08.02"]
[ECO "C74"]
[WhiteElo "2043"]
[BlackElo "2250"]
[PlyCount "92"]
[EventDate "2024.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. 0-0 Nf6 8. d4 e4 9. d5 exf3 10. dxc6 b5 11. Bb3 d5 12. Re1+ Be7 13. Bg5 Qd6 14. Bxf6 Qxf6 15. Qxf3 0-0 16. Nd2 Kh8 17. Bxd5 Bc5 18. Nb3 Bb6 19. Re2 Rad8 20. c4 Qg6 21. Qg3 Qxg3 22. hxg3 Bd3 23. c5 Bxe2 24. cxb6 Rxd5 25. b7 Bc4 26. Na5 Rd6 27. a4 Bd5 28. axb5 axb5 29. Rc1 Rb8 30. Rc5 Kg8 31. b4 Bxc6 32. Nxc6 Rxb7 33. Na5 Ra7 34. Rxb5 Rb6 35. Rd5 Rxb4 36. Nc6 Ra1+ 37. Kh2 Rb6 38. Rc5 Rbb1 39. g4 Rc1 40. Ne7+ Kf7 41. Re5 Re1 42. Nc6 Rxe5 43. Nxe5+ Ke6 44. Nd3 Kd5 45. g5 c5 46. Nf4+ Kd6 0-1

[Event "South America-ch 2nd"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Escalante Ramirez, Brian Sebastian"]
[Site "Coliseo Miguel Grau"]
[Round "7"]
[Result "0-1"]
[Date "2024.08.02"]
[ECO "D26"]
[WhiteElo "2250"]
[BlackElo "2485"]
[PlyCount "82"]
[EventDate "2024.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Nf6 5. Bxc4 e6 6. 0-0 Nbd7 7. Qe2 c5 8. Rd1 Qc7 9. e4 cxd4 10. e5 Ng4 11. Bf4 b5 12. Bxe6 fxe6 13. Ng5 Nh6 14. Nxe6 Qb6 15. Nxd4 Bc5 16. e6 Nf6 17. Bxh6 gxh6 18. Nf5 Rg8 19. Nc3 Bb7 20. Ng3 Qc6 21. Qf1 h5 22. Re1 h4 23. Nge4 Nxe4 24. Nxe4 h3 25. g3 Rg4 26. Qxh3 Rxe4 27. Qh5+ Kd8 28. Rxe4 Qxe4 29. Rd1+ Bd4 30. Qh4+ Qxh4 31. gxh4 Ke7 32. Rxd4 Rd8 33. Rxd8 Kxd8 34. Kf1 Ke7 35. Ke2 Kxe6 36. Kd3 Ke5 37. Ke3 h5 38. b4 Bd5 39. a3 Bb7 40. f3 Kf5 41. Kd4 Bxf3 0-1

[Event "South America-ch 2nd"]
[White "Sanchez Negreiros, Jose Alberto"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Coliseo Miguel Grau"]
[Round "6"]
[Result "0-1"]
[Date "2024.08.01"]
[ECO "A45"]
[WhiteElo "1972"]
[BlackElo "2250"]
[PlyCount "118"]
[EventDate "2024.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. c4 f5 5. Nc3 Bg7 6. e3 d6 7. g3 Nd7 8. Bg2 0-0 9. Nge2 Re8 10. 0-0 c6 11. b4 Nf6 12. a4 Ne4 13. Qd3 Qe7 14. a5 h5 15. h4 a6 16. b5 axb5 17. cxb5 Bh6 18. Nxe4 fxe4 19. Qc2 Bg4 20. Nc3 Bf3 21. Rfb1 Bxg2 22. Kxg2 Qd7 23. bxc6 bxc6 24. a6 d5 25. Rb7 Qf5 26. Qe2 Bf8 27. Na4 Qf3+ 28. Qxf3 exf3+ 29. Kxf3 Rxa6 30. Rb6 Ra5 31. Rb2 c5 32. Rba2 cxd4 33. exd4 Re4 34. Rd1 Bb4 35. Rd3 Kg7 36. Kg2 Re8 37. Rb3 Be1 38. Ra1 Re4 39. Kf1 Rxd4 40. Kxe1 Rdxa4 41. Rxa4 Rxa4 42. Rb5 Rd4 43. Rb6 Re4+ 44. Kd2 Re6 45. Rb8 Kf6 46. Rd8 Ke5 47. Ke3 Rd6 48. f4+ Ke6 49. Re8+ Kf5 50. Re5+ Kg4 51. Rg5+ Kh3 52. Kd4 Ra6 53. f5 Ra4+ 54. Kxd5 Rg4 55. Ke5 Rxg5 56. hxg5 gxf5 57. Kf4 Kg2 58. Kxf5 Kxg3 59. Kf6 Kg4 0-1

[Event "South America-ch 2nd"]
[White "Gallegos Quispe, Daniel Paolo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Coliseo Miguel Grau"]
[Round "4"]
[Result "0-1"]
[Date "2024.07.31"]
[ECO "B78"]
[WhiteElo "1786"]
[BlackElo "2250"]
[PlyCount "100"]
[EventDate "2024.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[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. Bc4 Bd7 10. 0-0-0 Ne5 11. Bb3 Rc8 12. Kb1 Re8 13. Bh6 Bh8 14. h4 Nc4 15. Qd3 Na5 16. g4 Nxb3 17. Nxb3 Be6 18. h5 Qc7 19. hxg6 fxg6 20. g5 Nh5 21. Nd4 Bf7 22. Rh4 Qc4 23. Qe3 Qc5 24. Qd2 Bxd4 25. Qxd4 Qxd4 26. Rxd4 Rc5 27. f4 Rec8 28. Rd2 Rc4 29. Rg2 b5 30. f5 b4 31. Nd1 d5 32. fxg6 hxg6 33. Re2 Ng3 34. Reh2 Rxe4 35. R4h3 Nh5 36. Kc1 d4 37. Kd2 Be6 38. Rh4 Bf5 39. Rxe4 Bxe4 40. c3 dxc3+ 41. bxc3 Rd8+ 42. Kc1 Bf3 43. Rd2 Rxd2 44. Kxd2 Bxd1 45. Kxd1 bxc3 46. Kc2 Ng7 47. Bxg7 Kxg7 48. Kxc3 Kf7 49. Kd4 Ke6 50. Ke4 Kd6 0-1

[Event "South America-ch 2nd"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Retamozo, Kevin"]
[Site "Coliseo Miguel Grau"]
[Round "5"]
[Result "1/2-1/2"]
[Date "2024.07.31"]
[ECO "A43"]
[WhiteElo "2250"]
[BlackElo "2070"]
[PlyCount "139"]
[EventDate "2024.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 c5 2. e3 Qb6 3. Nf3 g6 4. Be2 Bg7 5. 0-0 Nc6 6. c3 d5 7. Nbd2 Nf6 8. Nb3 cxd4 9. exd4 0-0 10. Nc5 Bg4 11. h3 Bxf3 12. Bxf3 e5 13. dxe5 Nxe5 14. Nb3 Nxf3+ 15. Qxf3 a5 16. Be3 Qb5 17. Rab1 Ne4 18. Qd1 Qc4 19. a3 b5 20. Nd2 Qc6 21. Rc1 Qb7 22. Nxe4 dxe4 23. Qb3 Qc6 24. c4 bxc4 25. Rxc4 Qe6 26. Qc2 Rfb8 27. b4 axb4 28. axb4 Rc8 29. Rc1 Rxc4 30. Qxc4 Qxc4 31. Rxc4 Ra1+ 32. Kh2 Be5+ 33. g3 f5 34. b5 Rb1 35. Rc5 Bd6 36. Rc6 Be5 37. Rc5 Bd6 38. Rd5 Be7 39. Rd7 Kf8 40. b6 Ke8 41. Ra7 Bd8 42. Rb7 Rb5 43. Kg2 Rb2 44. h4 h6 45. Rb8 Kd7 46. Rb7+ Kc8 47. Rh7 h5 48. Bd4 Rb4 49. Bc5 Rb2 50. Rh8 Kd7 51. b7 Rxb7 52. Rg8 Rb5 53. Be3 Bb6 54. Rxg6 Bxe3 55. fxe3 Rb2+ 56. Kf1 Rb1+ 57. Ke2 Rb2+ 58. Kd1 Rf2 59. Rg5 Rf3 60. Rxh5 Ke6 61. Rg5 Rxe3 62. h5 Kf6 63. Rg6+ Kf7 64. Kd2 Rd3+ 65. Ke2 Rd8 66. Ke3 Rd3+ 67. Kf2 Rf3+ 68. Kg2 f4 69. gxf4 Rxf4 70. Ra6 1/2-1/2

[Event "South America-ch 2nd"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Terry, Renato"]
[Site "Coliseo Miguel Grau"]
[Round "3"]
[Result "0-1"]
[Date "2024.07.30"]
[ECO "A40"]
[WhiteElo "2250"]
[BlackElo "2526"]
[PlyCount "66"]
[EventDate "2024.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. e4 d6 5. Nf3 Nf6 6. Bd3 Bxd2+ 7. Qxd2 Nc6 8. Nc3 e5 9. d5 Ne7 10. c5 0-0 11. Rc1 Bg4 12. cxd6 cxd6 13. Ng1 Bd7 14. f3 Nh5 15. Nge2 Ng6 16. g3 Rb8 17. Qe3 b5 18. 0-0 Nf6 19. Nb1 Ne8 20. g4 Qh4 21. Kg2 Rb7 22. Nd2 Nf6 23. Rh1 h5 24. h3 Nh7 25. Nf1 Qf6 26. Kg3 Nf4 27. h4 Nxd3 28. Qxd3 hxg4 29. fxg4 Qg6 30. Ne3 Nf6 31. g5 Nxe4+ 32. Kg2 f5 33. Nc3 Nc5 0-1

[Event "South America-ch 2nd"]
[White "Guzman Vera, Diego Alonso"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Coliseo Miguel Grau"]
[Round "2"]
[Result "0-1"]
[Date "2024.07.29"]
[ECO "E90"]
[WhiteElo "1951"]
[BlackElo "2250"]
[PlyCount "82"]
[EventDate "2024.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. h3 c6 7. Nf3 a6 8. Be2 b5 9. e5 Nfd7 10. exd6 exd6 11. a3 bxc4 12. Bxc4 Nb6 13. Bd3 N8d7 14. 0-0 Nf6 15. Qd2 Re8 16. Bg5 Be6 17. Ne4 Nxe4 18. Bxe4 Qd7 19. Qc2 Bxh3 20. gxh3 d5 21. Bxg6 fxg6 22. Kg2 Re4 23. Rfd1 Rf8 24. Rd3 h6 25. Bh4 Nc4 26. Bg3 Nd6 27. Rc1 Rc8 28. Rc3 Rf8 29. Rd3 Rc8 30. Nd2 Re6 31. Nf3 Nf5 32. Be5 Rf8 33. Rc3 Qf7 34. Qd2 Bxe5 35. dxe5 Qb7 36. Rxc6 d4 37. Nxd4 Rxe5 38. Nf3 Re7 39. Qd5+ Kh7 40. b4 Ref7 41. R1c2 Ne7 0-1

[Event "South America-ch 2nd"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Villaverde Salas, Gonzalo Matias"]
[Site "Coliseo Miguel Grau"]
[Round "1"]
[Result "1-0"]
[Date "2024.07.29"]
[ECO "D61"]
[WhiteElo "2250"]
[BlackElo "1768"]
[PlyCount "77"]
[EventDate "2024.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Qc2 Nbd7 7. Nf3 0-0 8. Bd3 h6 9. Bxf6 Nxf6 10. 0-0-0 dxc4 11. Bxc4 b5 12. Be2 a5 13. g4 Nxg4 14. Rhg1 f5 15. Ne5 Nxe5 16. dxe5 Qb6 17. Rg6 Bh4 18. Bf3 Bg5 19. Rg1 Ra7 20. h4 Kh7 21. hxg5 Kxg6 22. gxh6+ Kh7 23. hxg7 Rxg7 24. Rh1+ Kg8 25. Ne2 c5 26. Nf4 Bb7 27. Qe2 Kf7 28. Bxb7 Qxb7 29. Qh5+ Ke7 30. Qh6 Rfg8 31. Qxe6+ Kd8 32. Rd1+ Kc7 33. Qd6+ Kc8 34. Nd5 Qa7 35. e6 Re8 36. Qc6+ Kb8 37. Qxe8+ Kb7 38. Qxb5+ Kc8 39. e7 1-0

[Event "Montevideo Duchamp Cup 6th"]
[White "Perdomo, Leandro Daniel"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Montevideo"]
[Round "9"]
[Result "1/2-1/2"]
[Date "2023.02.11"]
[ECO "E90"]
[WhiteElo "2420"]
[BlackElo "2187"]
[PlyCount "41"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. h3 c6 7. Nf3 a6 8. c5 b6 9. cxb6 Qxb6 10. Qd2 a5 11. Bd3 Ba6 12. 0-0 Bxd3 13. Qxd3 Na6 14. e5 Nd5 15. exd6 Nab4 16. Qd2 exd6 17. Bh6 Nf6 18. Bf4 Qc7 19. Rac1 Qd7 20. b3 Rfe8 21. Rfe1 1/2-1/2

[Event "Montevideo Duchamp Cup 6th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "De Dovitiis, Alejo"]
[Site "Montevideo"]
[Round "8"]
[Result "1-0"]
[Date "2023.02.10"]
[ECO "A53"]
[WhiteElo "2187"]
[BlackElo "2293"]
[PlyCount "145"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 c6 4. e4 Nbd7 5. f4 e5 6. Nf3 exd4 7. Nxd4 Nc5 8. Bd3 Qb6 9. Nb3 Bg4 10. Qc2 d5 11. cxd5 cxd5 12. Be3 Nxd3+ 13. Qxd3 dxe4 14. Nxe4 Qb4+ 15. Nc3 Rd8 16. Qc2 Nd5 17. 0-0 Nxe3 18. Rae1 Bc5 19. Nxc5 0-0 20. Rxe3 Qxc5 21. Qf2 f6 22. Rfe1 Bh5 23. h3 Rd7 24. Kh2 b6 25. Ne4 Qd4 26. Ng3 Bg6 27. b3 h5 28. f5 Bf7 29. Ne4 Rfd8 30. Qg3 Rd5 31. Qf4 Qe5 32. Qxe5 Rxe5 33. g4 h4 34. Nc3 Rc5 35. R1e2 Rdc8 36. Ne4 Re5 37. Kg2 Rc1 38. Kf3 Bd5 39. Kf4 Rd1 40. Nxf6+ gxf6 41. Rxe5 fxe5+ 42. Kxe5 Kf7 43. Rc2 Bf3 44. Rc7+ Ke8 45. g5 Bg2 46. g6 Bxh3 47. Rc8+ Kd7 48. g7 Kxc8 49. g8Q+ Rd8 50. Qc4+ Kb8 51. Qxh4 Re8+ 52. Kd4 Bxf5 53. Qf4+ Kb7 54. Qxf5 Rc8 55. Qd5+ Kb8 56. Qd6+ Kb7 57. Kd5 Rc7 58. Qf8 Rc8 59. Qf3 Rc7 60. Kd6+ Kb8 61. Qe4 Rc8 62. Qf3 Rc7 63. b4 Rc8 64. Qf7 Ka8 65. Qd7 Kb8 66. a4 Rc3 67. Qe8+ Rc8 68. Qf7 Ka8 69. Qc7 Rh8 70. Kc6 Rb8 71. b5 a5 72. Qxb6 Rc8+ 73. Kd6 1-0

[Event "Montevideo Duchamp Cup 6th"]
[White "Matsuura, Everaldo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Montevideo"]
[Round "7"]
[Result "1/2-1/2"]
[Date "2023.02.09"]
[ECO "A29"]
[WhiteElo "2417"]
[BlackElo "2187"]
[PlyCount "52"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. a3 0-0 9. b4 a6 10. d3 f5 11. Bb2 Be6 12. Rc1 Rb8 13. b5 axb5 14. Nxb5 Bd5 15. e4 fxe4 16. Nxe5 exd3 17. Bxd5+ Nxd5 18. Qxd3 Nxe5 19. Bxe5 Rc8 20. Qb3 Rf7 21. Rcd1 c6 22. Nc3 Qb6 23. Qc4 Qc5 24. Qxc5 Bxc5 25. Nxd5 cxd5 26. a4 Rd7 1/2-1/2

[Event "Montevideo Duchamp Cup 6th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Ibanez, Marcelo"]
[Site "Montevideo"]
[Round "6"]
[Result "1-0"]
[Date "2023.02.08"]
[ECO "B06"]
[WhiteElo "2187"]
[BlackElo "1971"]
[PlyCount "103"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. f4 Nf6 5. e5 Nd5 6. Bc4 c6 7. Nf3 0-0 8. 0-0 a5 9. a4 Na6 10. Qe1 Nac7 11. Qh4 f6 12. Nbd2 Be6 13. Re1 Qd7 14. Ba2 fxe5 15. fxe5 Rf4 16. Qf2 Raf8 17. Ne4 R4f5 18. exd6 exd6 19. Qg3 Nf4 20. Bxf4 Rxf4 21. Bxe6+ Nxe6 22. Qh3 R4f5 23. Neg5 Nxg5 24. Nxg5 Bf6 25. Nf3 Qd8 26. Re2 c5 27. dxc5 dxc5 28. Qg4 Qd5 29. Qe4 Rd8 30. Rae1 Qxe4 31. Rxe4 Rfd5 32. Re6 R5d6 33. Kf2 Kf7 34. Rxd6 Rxd6 35. Ke2 Ke6 36. Nd2 Kd5 37. Kd3 Kc6+ 38. Kc2 Bd8 39. Re2 b6 40. Nc4 Rf6 41. Ne5+ Kb7 42. Kd3 Rf4 43. b3 Bc7 44. Nf3 h5 45. Re4 Rf5 46. h4 Kc6 47. Re6+ Kb7 48. Rxg6 Kb8 49. Rg5 Rxg5 50. hxg5 Bd8 51. g6 Bf6 52. Nh4 1-0

[Event "Montevideo Duchamp Cup 6th"]
[White "Rodi, Luis Ernesto"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Montevideo"]
[Round "5"]
[Result "1/2-1/2"]
[Date "2023.02.07"]
[ECO "B76"]
[WhiteElo "2295"]
[BlackElo "2187"]
[PlyCount "109"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[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. g4 Be6 10. 0-0-0 Nxd4 11. Bxd4 Qa5 12. Kb1 Rfc8 13. a3 Rab8 14. g5 Nh5 15. Nd5 Qxd2 16. Rxd2 Bxd5 17. exd5 Bxd4 18. Rxd4 f6 19. Bh3 Rc7 20. Be6+ Kg7 21. Bg4 fxg5 22. Bxh5 gxh5 23. h4 h6 24. hxg5 hxg5 25. Rxh5 Kg6 26. Rh3 Rf8 27. Rg3 Rf5 28. f4 b5 29. b3 Kf6 30. fxg5+ Rxg5 31. Rxg5 Kxg5 32. Re4 Kf6 33. Kb2 Rc5 34. c4 bxc4 35. bxc4 Kf7 36. Kb3 Ke8 37. Rh4 Kd7 38. Rh8 Rc8 39. Rh7 Rb8+ 40. Kc3 a5 41. c5 dxc5 42. Kc4 a4 43. Kxc5 Rb3 44. d6 Rxa3 45. Rxe7+ Kd8 46. Ra7 Rc3+ 47. Kd4 Ra3 48. Kc5 Ra1 49. Kc6 Rc1+ 50. Kb5 Rb1+ 51. Kc6 Rc1+ 52. Kd5 Ra1 53. Ke6 Re1+ 54. Kd5 Ra1 55. Kc6 1/2-1/2

[Event "Montevideo Duchamp Cup 6th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Amaral, Francisco"]
[Site "Montevideo"]
[Round "4"]
[Result "1-0"]
[Date "2023.02.06"]
[ECO "B41"]
[WhiteElo "2187"]
[BlackElo "1784"]
[PlyCount "43"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Bd3 Nc6 8. Be3 Nxd4 9. Bxd4 Bc5 10. Bc2 Bxd4 11. Qxd4 b5 12. e5 Ng8 13. Ne4 Ne7 14. Nd6+ Kf8 15. Qf4 f5 16. exf6 Qa5+ 17. Kf1 Ng6 18. Bxg6 hxg6 19. h4 b4 20. fxg7+ Kxg7 21. Qf7+ Kh6 22. h5 1-0

[Event "Montevideo Duchamp Cup 6th"]
[White "Hoffman, Alejandro"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Montevideo"]
[Round "3"]
[Result "1-0"]
[Date "2023.02.05"]
[ECO "A00"]
[WhiteElo "2358"]
[BlackElo "2187"]
[PlyCount "133"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. c4 dxc4 4. Qa4+ Bd7 5. Qxc4 Bc6 6. Nf3 Bd6 7. 0-0 Nf6 8. d3 0-0 9. a3 Nbd7 10. e4 Qe7 11. Nbd2 a6 12. Qc2 Nb6 13. b3 a5 14. Bb2 a4 15. b4 Rfc8 16. Nh4 Bd7 17. Nc4 Nxc4 18. dxc4 c6 19. Rad1 Bc7 20. Nf5 Qf8 21. Qc1 Be6 22. c5 Bb3 23. Rd3 Rd8 24. Rxd8 Rxd8 25. f4 exf4 26. gxf4 Ne8 27. e5 Bd5 28. Nd6 Bxg2 29. Kxg2 b6 30. Qc2 bxc5 31. bxc5 Rb8 32. Rf2 Qe7 33. Qxa4 Qe6 34. f5 Qd5+ 35. Qe4 Qxc5 36. Nxe8 Rxe8 37. Rc2 Qe7 38. f6 Qxf6 39. exf6 Rxe4 40. fxg7 Be5 41. Kf3 Re1 42. Bc1 Kxg7 43. Rxc6 f6 44. Rc2 Rh1 45. a4 Rd1 46. a5 Rd6 47. Be3 Kf7 48. Ra2 Ra6 49. Bb6 Ke6 50. h3 h5 51. Ke4 f5+ 52. Kd3 Kd5 53. Rg2 h4 54. Rg5 Ke6 55. Kc4 Bg3 56. Rg8 Kf7 57. Rc8 Ke6 58. Kb5 Rxa5+ 59. Kxa5 Kd5 60. Rf8 Ke4 61. Kb5 f4 62. Kc4 Kf3 63. Kd3 Kg2 64. Ke2 Bh2 65. Bd8 Kxh3 66. Kf3 Bg3 67. Rh8 1-0

[Event "Montevideo Duchamp Cup 6th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Manteiga, Franco"]
[Site "Montevideo"]
[Round "2"]
[Result "1-0"]
[Date "2023.02.04"]
[ECO "D57"]
[WhiteElo "2187"]
[BlackElo "1825"]
[PlyCount "65"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Rd8 12. c4 dxc4 13. Bxc4 Nc6 14. Qc3 Bg4 15. 0-0 Rd6 16. Ne5 Nxe5 17. dxe5 Rc6 18. Qd4 Be6 19. Bxe6 Rxe6 20. f4 c5 21. Qe4 Rd8 22. Rad1 Rxd1 23. Rxd1 Qc7 24. Qd5 Re7 25. Kf2 b6 26. Qa8+ Kh7 27. Rd8 Qb7 28. Rh8+ Kg6 29. Qg8 Qd7 30. Qh7+ Kh5 31. h3 Qd2+ 32. Kf3 Kh4 33. Qxh6+ 1-0

[Event "Montevideo Duchamp Cup 6th"]
[White "Araya Gonzalez, Hamlet"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Montevideo"]
[Round "1"]
[Result "0-1"]
[Date "2023.02.03"]
[ECO "C37"]
[WhiteElo "1625"]
[BlackElo "2187"]
[PlyCount "52"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Bxf7+ Kxf7 6. Ne5+ Ke8 7. Qxg4 Qf6 8. d4 h5 9. Qg6+ Qxg6 10. Nxg6 Rh7 11. 0-0 Bg7 12. e5 d5 13. Nxf4 c6 14. Nc3 Na6 15. Nce2 Nc7 16. Ng3 h4 17. Ngh5 Bg4 18. Nxg7+ Rxg7 19. h3 Be6 20. Kh2 Kd7 21. Bd2 Rf8 22. Be1 Rgf7 23. Nxe6 Nxe6 24. Rxf7+ Rxf7 25. Bxh4 Nxd4 26. Re1 Ke6 0-1

[Event "Sitges Sunway op 9th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Dietrich, Peter"]
[Site "Sitges"]
[Round "6"]
[Result "0-1"]
[Date "2022.12.17"]
[ECO "D55"]
[WhiteElo "2248"]
[BlackElo "2015"]
[PlyCount "68"]
[EventDate "2022.12.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 b6 7. Qc2 Bb7 8. Bxf6 Bxf6 9. cxd5 exd5 10. h4 c5 11. Bd3 g6 12. h5 Kg7 13. Ne5 Bxe5 14. dxe5 Nc6 15. e6 Nb4 16. Qe2 Nxd3+ 17. Qxd3 fxe6 18. hxg6 hxg6 19. 0-0-0 Qf6 20. f4 d4 21. exd4 Qxf4+ 22. Kb1 cxd4 23. Rdf1 Qg4 24. Qc4 Rxf1+ 25. Rxf1 Rc8 26. Qb4 Rc5 27. a3 Bxg2 28. Rf2 Bf3 29. Rxf3 Qxf3 30. Qxd4+ Qf6 31. Qd7+ Qf7 32. Qd6 g5 33. Qd4+ Kg6 34. Qe4+ Qf5 0-1

[Event "Sitges Sunway op 9th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Alfonso Pellisa, Aaron"]
[Site "Sitges"]
[Round "5"]
[Result "1-0"]
[Date "2022.12.16"]
[ECO "C56"]
[WhiteElo "2248"]
[BlackElo "2018"]
[PlyCount "69"]
[EventDate "2022.12.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qd7 9. Nxe4 Be7 10. Bg5 0-0 11. Bxe7 Qxe7 12. Nxd4 Bd7 13. Nb3 Bc8 14. Qf3 f5 15. Nc3 Qf7 16. Qf4 b6 17. Nb5 a6 18. Qxc7 axb5 19. Qxc6 Bd7 20. Qd6 Rfe8 21. h3 f4 22. Rxe8+ Rxe8 23. Rd1 Bf5 24. Nd4 Bc8 25. Nf3 Bb7 26. Rd4 Qxa2 27. Qc7 Qa8 28. Rxf4 Bc6 29. Qf7+ Kh8 30. Ne5 h6 31. Rg4 Rg8 32. Ng6+ Kh7 33. Qf5 Re8 34. Ne5+ Kg8 35. Qf7+ 1-0

[Event "Sitges Sunway op 9th"]
[White "Prudhvi, Kumar V"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Sitges"]
[Round "4"]
[Result "1-0"]
[Date "2022.12.15"]
[ECO "E72"]
[WhiteElo "1733"]
[BlackElo "2248"]
[PlyCount "123"]
[EventDate "2022.12.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. g3 d6 6. Bg2 e5 7. Nge2 Nc6 8. d5 Nd4 9. 0-0 c6 10. dxc6 bxc6 11. Nxd4 exd4 12. Qxd4 Nd5 13. Qd3 Nxc3 14. bxc3 Qc7 15. Ba3 Rd8 16. Rfd1 Bf8 17. e5 Bg4 18. exd6 Bxd1 19. Rxd1 Qd7 20. c5 Rab8 21. Bb4 Rdc8 22. Qa6 Bg7 23. Re1 Bf8 24. h4 Qb7 25. Qxb7 Rxb7 26. Bh3 Ra8 27. Ba5 f5 28. Bg2 Rc8 29. Bf1 Rcb8 30. Bc4+ Kg7 31. Bb3 Rc8 32. Rd1 Rbb8 33. d7 Rd8 34. Bxd8 Rxd8 35. Ba4 Bxc5 36. Bxc6 Kf7 37. Rd5 Be7 38. Rb5 Bf6 39. c4 Ke7 40. Rd5 Rb8 41. Bb5 Kd8 42. Rd6 Rb6 43. Rxb6 axb6 44. Kg2 Bd4 45. f3 Bf6 46. Kh3 Bc3 47. g4 fxg4+ 48. Kxg4 Bd2 49. f4 Bb4 50. f5 gxf5+ 51. Kxf5 h6 52. h5 Bc3 53. Ke6 Kc7 54. a4 Bb4 55. Kd5 Ba5 56. c5 bxc5 57. Kxc5 Bd2 58. Bc6 Be1 59. Kb5 Kd8 60. a5 Bf2 61. a6 Ke7 62. Kc4 1-0

[Event "Sitges Sunway op 9th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Arvind, Ramnath Iyer"]
[Site "Sitges"]
[Round "3"]
[Result "1/2-1/2"]
[Date "2022.12.14"]
[ECO "B20"]
[WhiteElo "2248"]
[BlackElo "1834"]
[PlyCount "129"]
[EventDate "2022.12.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. Bb2 d6 4. Bc4 Nf6 5. a3 e6 6. Qe2 Nc6 7. Nf3 Be7 8. axb4 Nxb4 9. 0-0 0-0 10. d3 d5 11. Bb3 dxe4 12. dxe4 Bd7 13. Ne5 Nc6 14. Nxd7 Qxd7 15. e5 Nd5 16. Nd2 Nf4 17. Qe3 Ng6 18. f4 Bd8 19. Nc4 b5 20. Rad1 Qb7 21. Rxd8 Raxd8 22. Nd6 Qb6 23. Qxb6 axb6 24. f5 Ngxe5 25. Nxb5 exf5 26. Ba3 g6 27. Bxf8 Kxf8 28. Ra1 Na5 29. Re1 Nxb3 30. Rxe5 Nc5 31. Re1 Rd2 32. Na3 Ne4 33. Nc4 Rxc2 34. Nxb6 Kg7 35. Nd5 Nc3 36. Ne3 Re2 37. Rxe2 Nxe2+ 38. Kf2 Nd4 39. Nd5 f6 40. Ke3 Ne6 41. Kf3 h5 42. Ke3 Kf7 43. Kd3 g5 44. Ke3 Nf8 45. Kd4 Ng6 46. g3 f4 47. gxf4 Nxf4 48. Nxf4 gxf4 49. Ke4 f5+ 50. Kxf4 Kg6 51. Kf3 Kg5 52. Kg3 f4+ 53. Kf3 Kf5 54. Kf2 Ke4 55. Ke2 f3+ 56. Kf2 Kf4 57. Kf1 Ke3 58. Ke1 Kf4 59. Kf2 Kg4 60. Ke3 h4 61. Kf2 Kf4 62. Ke1 Ke3 63. Kf1 Ke4 64. Kf2 Kf4 65. Ke1 1/2-1/2

[Event "Sitges Sunway op 9th"]
[White "Pousada Garcia, Victor Daniel"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Sitges"]
[Round "2"]
[Result "0-1"]
[Date "2022.12.13"]
[ECO "B53"]
[WhiteElo "1960"]
[BlackElo "2248"]
[PlyCount "110"]
[EventDate "2022.12.12"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ESP"]
[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. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. 0-0-0 Be7 10. Rhe1 0-0 11. e5 dxe5 12. Qh4 Qc7 13. Nxe5 Rfd8 14. Rxd8+ Bxd8 15. Qc4 Nd5 16. Bxd8 Qxd8 17. Nxc6 bxc6 18. Nxd5 cxd5 19. Qd4 Rc8 20. Re3 h5 21. Rg3 g6 22. Qe5 Qb6 23. Qf6 Qb4 24. c3 Qe4 25. Re3 Qxg2 26. Rxe6 fxe6 27. Qxe6+ Kg7 28. Qxc8 Qf1+ 29. Kc2 Qxf2+ 30. Kb3 Qxh2 31. Qd7+ Kh6 32. Qxa7 Qf4 33. Qa8 h4 34. a4 d4 35. a5 d3 36. Qh8+ Kg5 37. Qd8+ Kg4 38. Qxd3 Qf7+ 39. Ka3 h3 40. Qe4+ Kg3 41. a6 h2 42. Qb7 Qf1 43. Qb8+ Kh3 44. Qc8+ Kg3 45. Qc7+ Kg2 46. Qc6+ Kf2 47. Qf6+ Ke1 48. Qh4+ Qf2 49. Qe4+ Kd2 50. Qb7 Qg1 51. Qd5+ Ke1 52. a7 Qxa7+ 53. Kb3 Qb6+ 54. Kc4 Qg1 55. Qf3 h1Q 0-1

[Event "Benidorm Bali op-A"]
[White "Yuste Valenzuela, Alejandro"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Benidorm"]
[Round "7"]
[Result "0-1"]
[Date "2022.12.08"]
[ECO "B70"]
[WhiteElo "2089"]
[BlackElo "2248"]
[PlyCount "160"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[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 g6 6. g3 Nc6 7. Nde2 Bg7 8. Bg2 0-0 9. 0-0 Rb8 10. a4 a6 11. h3 b5 12. axb5 axb5 13. Be3 b4 14. Nd5 Nd7 15. Nd4 Nde5 16. f4 Nxd4 17. Bxd4 Nc6 18. Bxg7 Kxg7 19. Kh2 e6 20. Ne3 Qb6 21. Nc4 Qc5 22. Nxd6 Nd4 23. e5 Nxc2 24. Ne4 Qc7 25. Rc1 b3 26. Qd2 Bb7 27. f5 exf5 28. Rxf5 Qd8 29. Rf2 Qxd2 30. Rxd2 Ne3 31. Bh1 Rfc8 32. Nc5 Rxc5 33. Rxc5 Nf1+ 34. Kg1 Nxd2 35. Rb5 Bxh1 36. Rxb8 Be4 37. Kf2 Bc2 38. Rc8 Ne4+ 39. Kg2 Ng5 40. h4 Ne6 41. Kf2 h5 42. Ke3 f6 43. exf6+ Kxf6 44. Kf2 Ke5 45. Ke3 Kd5 46. Ra8 Nc5 47. Ra7 Ne4 48. Ra5+ Ke6 49. Kf4 Nf2 50. Ra6+ Kd5 51. Kg5 Nd1 52. g4 hxg4 53. Kxg4 Nxb2 54. Rb6 Nc4 55. Rxb3 Bxb3 56. Kg5 Ne5 57. h5 gxh5 58. Kxh5 Bd1+ 59. Kh6 Ke6 60. Kg7 Ke7 61. Kh8 Kf6 62. Kh7 Bc2+ 63. Kg8 Nf7 64. Kf8 Bh7 65. Ke8 Ne5 66. Kd8 Be4 67. Kc7 Nc4 68. Kd7 Kf7 69. Kd8 Bc6 70. Kc7 Bb5 71. Kd8 Kf8 72. Kc7 Ke7 73. Kc8 Ne3 74. Kc7 Nd5+ 75. Kc8 Ba6+ 76. Kb8 Kd7 77. Ka7 Bc8 78. Kb8 Kd8 79. Ka8 Kc7 80. Ka7 Ne7 0-1

[Event "Benidorm Bali op-A"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Galvan Cipriani, Viviana"]
[Site "Benidorm"]
[Round "6"]
[Result "1/2-1/2"]
[Date "2022.12.07"]
[ECO "B22"]
[WhiteElo "2248"]
[BlackElo "2088"]
[PlyCount "106"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. Na3 dxc3 10. Qe2 g6 11. Nb5 Qb8 12. Ng5 e6 13. Ne4 Be7 14. Bh6 f5 15. Bg7 Rg8 16. Nf6+ Bxf6 17. Bxf6 Kf7 18. Bxc3 a6 19. Nd4 Nd5 20. Bxd5 exd5 21. 0-0 Bd7 22. Qd2 g5 23. Nxc6 bxc6 24. Qd4 Qd6 25. Bb4 Qf6 26. Qc5 Rge8 27. Bc3 Qg6 28. Rfe1 g4 29. Be5 Re6 30. Qb6 Qg8 31. Bc3 Re4 32. Qc7 Qd8 33. Qd6 Qe7 34. Qh6 Kg8 35. f3 Rxe1+ 36. Rxe1 Qf7 37. Qg5+ Qg6 38. Qe7 gxf3 39. g3 d4 40. Qxd7 dxc3 41. bxc3 f4 42. g4 Qc2 43. Qe6+ Kg7 44. Qe5+ Kg8 45. Qe6+ Kg7 46. Qd7+ Kg8 47. Qe6+ Kg7 48. Qe5+ Kg8 49. Qg5+ Kh8 50. Qf6+ Kg8 51. Qe6+ Kg7 52. Qd7+ Kg8 53. Qe6+ Kg7 1/2-1/2

[Event "Benidorm Bali op-A"]
[White "Korneev, Oleg"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Benidorm"]
[Round "5"]
[Result "1-0"]
[Date "2022.12.06"]
[ECO "C73"]
[WhiteElo "2481"]
[BlackElo "2248"]
[PlyCount "99"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 exd4 7. Qxd4 c5 8. Qd3 Nf6 9. 0-0 Be7 10. c4 0-0 11. Nc3 Bg4 12. Bf4 Bxf3 13. Qxf3 Nd7 14. Rad1 Bf6 15. b3 Bxc3 16. Qxc3 f6 17. b4 cxb4 18. Qxb4 Qe7 19. Qb7 Nc5 20. Qd5+ Qf7 21. f3 Rab8 22. Rb1 Qxd5 23. cxd5 Rxb1 24. Rxb1 f5 25. Be3 Nd3 26. Rb3 fxe4 27. fxe4 Ne5 28. Bd4 Nc4 29. h3 Nd2 30. Rc3 Rf1+ 31. Kh2 Rd1 32. Rxc7 Nxe4 33. Bxg7 h5 34. Re7 Nd2 35. Kg3 Nc4 36. Kh4 Rxd5 37. Bf6 Rf5 38. Bg5 Rf2 39. g3 Rxa2 40. Kxh5 Ne5 41. Bf4 Ra5 42. Kh6 Kf8 43. Ra7 Ra1 44. h4 a5 45. h5 a4 46. Bxe5 dxe5 47. g4 e4 48. g5 Rd1 49. g6 Rd8 50. Kh7 1-0

[Event "Benidorm Bali op-A"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Schaffert, Walter"]
[Site "Benidorm"]
[Round "3"]
[Result "0-1"]
[Date "2022.12.05"]
[ECO "B01"]
[WhiteElo "2248"]
[BlackElo "2037"]
[PlyCount "92"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. d3 a6 6. Nf3 b5 7. Bb3 Bb7 8. Qe2 e6 9. Bd2 Nbd7 10. a4 Nc5 11. axb5 Nxb3 12. cxb3 Be7 13. Ne4 Qd5 14. bxa6 Bxa6 15. Bc3 Nxe4 16. Qxe4 Qxe4+ 17. dxe4 0-0 18. 0-0-0 Be2 19. Rde1 Rfd8 20. Nd4 Bd3 21. Nc2 Bg5+ 22. Bd2 Bxd2+ 23. Kxd2 Bxe4+ 24. Kc1 Bxg2 25. Rhg1 Bd5 26. Rg3 f5 27. Rc3 c6 28. f3 Kf7 29. Na3 Kf6 30. Kc2 Rdb8 31. Nc4 Rb4 32. Ne5 Ra6 33. Nd7+ Ke7 34. Nc5 Rab6 35. Rce3 Kf7 36. Nxe6 Rxb3 37. Nd4 Rxb2+ 38. Kc3 c5 39. Re7+ Kf6 40. Nc2 R6b3+ 41. Kd2 Rxf3 42. Kc1 Rfb3 43. R1e5 Rb1+ 44. Kd2 Rh3 45. Re2 c4 46. Rc7 Rd3# 0-1

[Event "Arica op 5th"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Arica"]
[Round "8"]
[Result "1-0"]
[Date "2018.12.18"]
[ECO "A30"]
[WhiteElo "2531"]
[BlackElo "2294"]
[PlyCount "79"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 0-0 9. Qh4 Re8 10. Rd1 d6 11. Bh6 Bh8 12. Rac1 Nbd7 13. e4 Rc8 14. b3 Rc5 15. Nd5 e6 16. Nxf6+ Nxf6 17. Bg5 h6 18. Qxh6 Bxe4 19. Qh4 Qa8 20. Bxf6 Rh5 21. Qxe4 Qxe4 22. Nd4 Qxg2+ 23. Kxg2 Bxf6 24. Nb5 d5 25. cxd5 exd5 26. Rc7 Re7 27. Rc8+ Kh7 28. Ra8 d4 29. a4 Re2 30. Rxa7 Rf5 31. Rf1 Be5 32. Rd7 Rb2 33. Rd5 Rxb3 34. g4 Rg5 35. h3 Kh6 36. Rd7 Bg7 37. Nd6 Rc5 38. Nxf7+ Kh7 39. Re1 g5 40. Nd6 1-0

[Event "Arica op 5th"]
[White "Rodriguez Vila, Andres"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Arica"]
[Round "4"]
[Result "1/2-1/2"]
[Date "2018.12.15"]
[ECO "B50"]
[WhiteElo "2489"]
[BlackElo "2294"]
[PlyCount "84"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 g6 5. h3 Bg7 6. Bc2 0-0 7. d4 d5 8. e5 Ne4 9. 0-0 Nc6 10. Re1 f5 11. exf6 exf6 12. dxc5 Nxc5 13. Be3 Ne4 14. Bb3 Be6 15. Nbd2 Bf7 16. Nxe4 dxe4 17. Nd2 f5 18. Bc5 Bxb3 19. Qxb3+ Rf7 20. Rad1 Na5 21. Qa3 Qc7 22. Bd6 Qb6 23. Bb4 Nc6 24. Nc4 Qa6 25. Qb3 Nxb4 26. Nd6 Qxa2 27. Qxa2 Nxa2 28. Nxf7 Kxf7 29. Rd7+ Kg8 30. Rxb7 a5 31. Ra1 Nxc3 32. bxc3 Bxc3 33. Rc1 Bd4 34. Rd7 Bf6 35. Rcc7 h5 36. Rc6 Rf8 37. Ra7 Rf7 38. Rxf7 Kxf7 39. Ra6 h4 40. Rxa5 Kg7 41. Kf1 Kh6 42. Ra8 Kg7 1/2-1/2

[Event "Latin Cup-A 9th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Fernandez Sanchez, Fernando Miguel"]
[Site "Lima"]
[Round "9"]
[Result "0-1"]
[Date "2018.02.04"]
[ECO "D38"]
[WhiteElo "2237"]
[BlackElo "2468"]
[PlyCount "117"]
[EventDate "2018.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 c5 7. cxd5 exd5 8. Be2 Qa5 9. 0-0 Bxc3 10. bxc3 Ne4 11. c4 dxc4 12. Qc2 Nxg5 13. Nxg5 cxd4 14. Qe4+ Qe5 15. Qxe5+ Nxe5 16. exd4 Ng6 17. Bxc4 0-0 18. Rac1 Bf5 19. Rfe1 Rad8 20. h4 h6 21. Nxf7 Rxf7 22. h5 Nh8 23. Bxf7+ Nxf7 24. Rc7 Nd6 25. Ree7 Kh8 26. f3 Rg8 27. g4 Bc8 28. Rc5 Rd8 29. Rd5 Kg8 30. Kf2 Kf8 31. Rc7 Be6 32. Re5 Bxa2 33. g5 hxg5 34. Rxg5 Bf7 35. Re5 a6 36. Ree7 b5 37. Red7 Rxd7 38. Rxd7 Nc4 39. d5 Nb6 40. Rd6 Nxd5 41. Rxa6 Bxh5 42. Ra5 Be8 43. Ke2 Ke7 44. Ra7+ Bd7 45. Kd3 Kd6 46. Kd4 Nc7 47. Ra1 Bf5 48. Re1 g6 49. Rh1 Ne6+ 50. Kc3 Kc5 51. Rh8 Nd4 52. Rh7 Nxf3 53. Rc7+ Kd6 54. Rb7 Bd7 55. Rb8 g5 56. Rg8 Ke5 57. Rg7 Be6 58. Rb7 Bc4 59. Rg7 0-1

[Event "Latin Cup-A 9th"]
[White "Fuentes Dominguez, Felix"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "8"]
[Result "0-1"]
[Date "2018.02.02"]
[ECO "A30"]
[WhiteElo "2288"]
[BlackElo "2237"]
[PlyCount "122"]
[EventDate "2018.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 g6 6. b3 Bg7 7. Bb2 0-0 8. d3 d6 9. Nbd2 a6 10. a3 Nc6 11. Qc2 b5 12. Rac1 e5 13. e3 Qe7 14. Rfe1 Nd7 15. d4 b4 16. a4 Rae8 17. d5 Nd8 18. e4 Bc8 19. Nf1 Nf6 20. Nh4 Nh5 21. Ra1 f5 22. exf5 g5 23. Nf3 Bxf5 24. Qd2 g4 25. Nh4 Bd7 26. Qc2 Nf7 27. Nf5 Qf6 28. Nxg7 Qxg7 29. Bc1 Ng5 30. Bxg5 Qxg5 31. Ra2 Ng7 32. Ne3 Nf5 33. Nxf5 Bxf5 34. Qd2 Qg6 35. Re3 Rf6 36. Qd1 Ref8 37. Rd2 Kg7 38. Qe2 h5 39. Bh1 Qg5 40. Bg2 Rh6 41. Be4 Bxe4 42. Rxe4 Rhf6 43. Qe3 Qg6 44. Qd3 Rf3 45. Re3 Rxe3 46. Qxg6+ Kxg6 47. fxe3 Rf3 48. Re2 Kf5 49. e4+ Kg6 50. Rf2 Rxb3 51. Rf8 Rc3 52. Rd8 Rxc4 53. Rxd6+ Kf7 54. Rb6 Rxe4 55. a5 Rd4 56. Kf2 Rxd5 57. Rxa6 c4 58. Rb6 Rxa5 59. Rxb4 Rc5 60. Rb2 c3 61. Rc2 Ke6 0-1

[Event "Latin Cup-A 9th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Berdayes Ason, Dylan Isidro"]
[Site "Lima"]
[Round "7"]
[Result "0-1"]
[Date "2018.02.02"]
[ECO "B09"]
[WhiteElo "2237"]
[BlackElo "2416"]
[PlyCount "118"]
[EventDate "2018.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. e5 dxe5 7. fxe5 Nd5 8. Bc4 Nxc3 9. bxc3 c5 10. 0-0 Bg4 11. h3 Bxf3 12. Qxf3 Nc6 13. Bxf7+ Kh8 14. Qe4 cxd4 15. Bd5 Rxf1+ 16. Kxf1 dxc3 17. Bf4 Qb6 18. Bxc6 bxc6 19. Rd1 Rf8 20. Ke2 Qb5+ 21. Rd3 Qb1 22. Rf3 Qxa2 23. Rxc3 Qa6+ 24. Rd3 Qb5 25. Be3 a5 26. Bd2 a4 27. Bc3 a3 28. Qb4 Qa6 29. Qa5 Qb7 30. Qxa3 Qb1 31. Rf3 Qxc2+ 32. Kf1 Rxf3+ 33. gxf3 h5 34. Qc5 Kh7 35. Qe3 Qh2 36. f4 c5 37. Qf3 Qc2 38. Ke1 c4 39. Bd2 Qb3 40. Ke2 Qc2 41. Qc3 Qe4+ 42. Qe3 Qf5 43. Qf3 Bh6 44. Qe3 c3 45. Qxc3 Bxf4 46. Bxf4 Qxf4 47. Qc5 Qg5 48. Qd5 Kh6 49. Qe6 h4 50. Kd1 Kh5 51. Ke2 Qg2+ 52. Kd3 Qf1+ 53. Kd4 Qf2+ 54. Kc3 Qf5 55. Qxe7 Qxh3+ 56. Kd4 Qg4+ 57. Kc5 h3 58. e6 Qg1+ 59. Kd6 Qd4+ 0-1

[Event "Latin Cup-A 9th"]
[White "Quintiliano Pinto, Renato Rodrigues"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "4"]
[Result "1-0"]
[Date "2018.01.31"]
[ECO "D85"]
[WhiteElo "2431"]
[BlackElo "2237"]
[PlyCount "65"]
[EventDate "2018.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 e6 8. h3 c5 9. Be3 Qa5 10. Bd2 Qc7 11. Rc1 0-0 12. Be2 Nc6 13. 0-0 b6 14. Be3 Na5 15. Qd2 Bb7 16. Bf4 Qd8 17. Qe3 Qe7 18. Rfd1 cxd4 19. cxd4 Rfc8 20. h4 Rxc1 21. Rxc1 Rc8 22. Rxc8+ Bxc8 23. h5 Nc6 24. Bb5 Bd7 25. h6 Bf8 26. Bxc6 Bxc6 27. Ne5 Be8 28. Ng4 Qh4 29. f3 Be7 30. Qc3 f5 31. g3 Qh3 32. Qc7 Kf8 33. Bd6 1-0

[Event "Latin Cup-A 9th"]
[White "Santiago, Yago de Moura"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "2"]
[Result "1-0"]
[Date "2018.01.30"]
[ECO "E71"]
[WhiteElo "2496"]
[BlackElo "2237"]
[PlyCount "57"]
[EventDate "2018.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. h3 c6 7. g4 a6 8. g5 Nfd7 9. h4 b5 10. a3 bxc4 11. Bxc4 d5 12. Ba2 e5 13. exd5 exd4 14. Bxd4 Ne5 15. f4 Bg4 16. Qd2 Nbd7 17. fxe5 Nxe5 18. Kf1 Qd7 19. Bxe5 Bxe5 20. Kg2 Bf3+ 21. Nxf3 Qg4+ 22. Kf2 Qg3+ 23. Ke2 Bxc3 24. Qxc3 Rfe8+ 25. Kd1 cxd5 26. Re1 d4 27. Qb3 Rxe1+ 28. Nxe1 Qg4+ 29. Qf3 1-0

[Event "Latin Cup-A 9th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Vera Siguenas, Deivy Anthoni"]
[Site "Lima"]
[Round "1"]
[Result "1/2-1/2"]
[Date "2018.01.29"]
[ECO "D63"]
[WhiteElo "2237"]
[BlackElo "2513"]
[PlyCount "144"]
[EventDate "2018.01.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 0-0 8. Rc1 c5 9. Bxf6 Nxf6 10. cxd5 cxd4 11. Qxd4 Nxd5 12. Nxd5 exd5 13. Bd3 Qa5+ 14. Ke2 Bf6 15. Qc5 Qxa2 16. Rc2 b6 17. Qb4 Ba6 18. Qa3 Qxa3 19. bxa3 Rac8 20. Rhc1 Rxc2+ 21. Rxc2 Rc8 22. Rxc8+ Bxc8 23. Nd4 Bxd4 24. exd4 Kf8 25. Kd2 Ke7 26. Kc3 Bd7 27. f3 Kf6 28. g3 a5 29. Be2 Bh3 30. Kd2 Ke7 31. Ke3 Bf5 32. Kd2 Kd6 33. Kc3 Bh3 34. Kb3 g5 35. Kc3 Bd7 36. Bf1 Ba4 37. Be2 Kc6 38. Bf1 Bb5 39. Bg2 Be2 40. Kd2 Bc4 41. Bh3 Ba6 42. Bf5 Bf1 43. Kc3 Be2 44. Bg4 f5 45. Bxf5 Bxf3 46. Bd3 Kd6 47. Kd2 Ke6 48. Bb5 Be4 49. Ba6 Bb1 50. Bc8+ Kf6 51. Ba6 Bf5 52. Bb5 Bc8 53. Bd3 Bd7 54. Kc3 b5 55. Bc2 Bf5 56. Bd1 Be4 57. Bg4 Bf5 58. Be2 Bd7 59. Bd3 h5 60. Bc2 h4 61. Bd3 Kg7 62. Be2 Kg6 63. g4 Kf6 64. Kb3 Ke7 65. Kc3 Kd6 66. Kb3 Kc6 67. Kc3 Be8 68. Kb3 Bg6 69. Kc3 Be4 70. Kb3 Kb6 71. Kc3 Kc6 72. Kb3 Kb6 1/2-1/2

[Event "PER-ch"]
[White "Fuentes Alarcon, Angelo Moises"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "9"]
[Result "0-1"]
[Date "2017.03.05"]
[ECO "C26"]
[WhiteElo "1647"]
[BlackElo "2254"]
[PlyCount "48"]
[EventDate "2017.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. d3 d5 4. exd5 Nxd5 5. Nxd5 Qxd5 6. Qf3 Be6 7. Be2 Nc6 8. Qxd5 Bxd5 9. Bf3 0-0-0 10. Bxd5 Rxd5 11. Be3 Rb5 12. b3 Bb4+ 13. Bd2 Bxd2+ 14. Kxd2 Rd8 15. f3 f5 16. Re1 Ra5 17. a4 Rc5 18. Ne2 e4 19. fxe4 fxe4 20. Nf4 exd3 21. cxd3 Nd4 22. Re7 Rc2+ 23. Kd1 Rf2 24. g3 Ra2 0-1

[Event "PER-ch"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Perez, Christopher"]
[Site "Lima"]
[Round "8"]
[Result "0-1"]
[Date "2017.03.05"]
[ECO "B13"]
[WhiteElo "2254"]
[BlackElo "1851"]
[PlyCount "70"]
[EventDate "2017.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Bb5 a6 9. Bxc6+ bxc6 10. Qa4 Nxc3 11. Qxc6+ Bd7 12. Qxc3 Rc8 13. Qe3 Bb5 14. a4 Bc4 15. b3 Bd5 16. 0-0 e6 17. Bd2 Be7 18. Ne5 0-0 19. b4 Qc7 20. Nd3 Qb7 21. Nc5 Bxc5 22. dxc5 Bxg2 23. Rfb1 Be4 24. Rb2 Rfd8 25. f3 Bf5 26. Ra3 Qe7 27. Rc3 Qf6 28. b5 axb5 29. axb5 Ra8 30. f4 h6 31. c6 Rd3 32. Qe5 Ra1+ 33. Rc1 Rxc1+ 34. Bxc1 Rd1+ 35. Kf2 Qh4+ 0-1

[Event "PER-ch"]
[White "Noriega, Miguel"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "7"]
[Result "0-1"]
[Date "2017.03.04"]
[ECO "B50"]
[WhiteElo "1913"]
[BlackElo "2254"]
[PlyCount "106"]
[EventDate "2017.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. Nf3 Nf6 4. h3 g6 5. Bd3 Bg7 6. 0-0 0-0 7. Bc2 Nc6 8. d4 cxd4 9. cxd4 Nb4 10. Nc3 Nxc2 11. Qxc2 Be6 12. d5 Bd7 13. Be3 Qa5 14. Bd4 Rfc8 15. b4 Qc7 16. Qb3 Qc4 17. Rac1 Bh6 18. Rcd1 Nh5 19. Rfe1 Nf4 20. e5 Bf5 21. exd6 Qxb3 22. axb3 exd6 23. Nb5 Bc2 24. Ra1 Bf8 25. Nxa7 Re8 26. Rxe8 Rxe8 27. Be3 Nxd5 28. Nd4 Nxe3 29. fxe3 Bd3 30. Rd1 Be4 31. Nab5 d5 32. Nc7 Re7 33. Ndb5 Re5 34. Ra1 Rg5 35. g4 h5 36. Ra8 hxg4 37. hxg4 Rxg4+ 38. Kf1 Bd3+ 39. Ke1 Bxb5 40. Nxb5 Rxb4 41. Nd4 Kg7 42. Kd2 Bc5 43. Kc3 Rb6 44. Rd8 Bxd4+ 45. exd4 g5 46. Rxd5 g4 47. Kd2 g3 48. Ke2 Rxb3 49. Kf1 Kg6 50. Rd8 f5 51. d5 Kf7 52. d6 f4 53. Kg2 Rb2+ 0-1

[Event "PER-ch"]
[White "Espinoza Pacheco, Aldrin Leo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "5"]
[Result "1/2-1/2"]
[Date "2017.03.03"]
[ECO "D85"]
[WhiteElo "1989"]
[BlackElo "2254"]
[PlyCount "138"]
[EventDate "2017.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nd7 8. Nf3 0-0 9. Be2 Nf6 10. Bd3 Bg4 11. 0-0 Bxf3 12. gxf3 e5 13. f4 Nh5 14. fxe5 Bxe5 15. dxe5 Qxd3 16. Be3 Rfe8 17. Rad1 Qe2 18. Rd5 Qg4+ 19. Kh1 Qf3+ 20. Kg1 c6 21. Rd4 Rxe5 22. Qd1 Qxd1 23. Rfxd1 Nf6 24. Rd8+ Re8 25. Rxa8 Rxa8 26. f3 Kf8 27. Bg5 Kg7 28. Rd6 Nh5 29. Rd7 b6 30. Be3 c5 31. a4 Nf6 32. Rd6 Rc8 33. h4 Rc7 34. Bg5 Nd7 35. Bd8 Rb7 36. e5 Kf8 37. f4 Ke8 38. Bg5 a6 39. c4 b5 40. axb5 axb5 41. Rc6 f6 42. exf6 Kf7 43. cxb5 Rxb5 44. Rc7 Rb1+ 45. Kf2 Rd1 46. Ke2 Rd5 47. Ke3 Ke6 48. Rc6+ Rd6 49. Rc8 h6 50. Re8+ Kd5 51. Bxh6 Nxf6 52. Re5+ Kc6 53. Rg5 Nd5+ 54. Kf3 Rf6 55. Re5 c4 56. Bg5 Rd6 57. f5 gxf5 58. Rxf5 c3 59. Ke2 c2 60. Rf3 Rg6 61. Kd2 Nb4 62. Rf6+ Rxf6 63. Bxf6 Kd5 64. h5 Ke6 65. Bc3 Na2 66. Kxc2 Nxc3 67. Kxc3 Kf6 68. h6 Kg6 69. h7 Kxh7 1/2-1/2

[Event "PER-ch"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Flores Tomasto, Luis"]
[Site "Lima"]
[Round "6"]
[Result "0-1"]
[Date "2017.03.03"]
[ECO "D60"]
[WhiteElo "2254"]
[BlackElo "1974"]
[PlyCount "100"]
[EventDate "2017.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 a6 9. a4 c5 10. 0-0 h6 11. Bxf6 Nxf6 12. d5 Qb6 13. a5 Qc7 14. dxe6 Bxe6 15. Bxe6 fxe6 16. Qe2 Nd5 17. Rfd1 Nxc3 18. bxc3 Bf6 19. Qc4 Kf7 20. Nd2 Rfd8 21. Qb3 Rd3 22. Nc4 Rxc3 23. Nd6+ Ke7 24. Qa4 Rd8 25. Ne4 Rcd3 26. Rxd3 Rxd3 27. Rc1 Rd5 28. Qa3 Kf7 29. Nxc5 Qd6 30. Qb3 Rxc5 31. Rxc5 Qxc5 32. Qxb7+ Ke8 33. Qxa6 Qc1+ 34. Qf1 Qxf1+ 35. Kxf1 Kd7 36. f4 Kc6 37. e4 e5 38. Ke2 exf4 39. Kf3 Be5 40. Kg4 g6 41. h4 Kb5 42. h5 g5 43. Kf5 Bg7 44. e5 Kxa5 45. e6 Bf8 46. Kg6 g4 47. Kf7 Bd6 48. e7 Bxe7 49. Kxe7 f3 50. gxf3 gxf3 0-1

[Event "PER-ch"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Terry, Renato"]
[Site "Lima"]
[Round "4"]
[Result "0-1"]
[Date "2017.03.02"]
[ECO "E37"]
[WhiteElo "2254"]
[BlackElo "2454"]
[PlyCount "80"]
[EventDate "2017.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 0-0 8. Nf3 Nd7 9. g3 a5 10. Bg2 a4 11. 0-0 c6 12. Rd1 h6 13. Ne5 Nd6 14. Nxd7 Bxd7 15. c5 Nc4 16. e4 b5 17. Bd2 f5 18. exd5 exd5 19. Bf4 g5 20. Be5 Nxe5 21. dxe5 Qe7 22. Rxd5 cxd5 23. Bxd5+ Be6 24. Bxa8 Rxa8 25. Rd1 Bb3 26. Qd3 Qxe5 27. Rc1 Bc4 28. Qd2 Qxc5 29. h4 Qd5 30. Qe3 Qe6 31. Qd2 gxh4 32. Rc3 Re8 33. Re3 Qg6 34. Rxe8+ Qxe8 35. gxh4 Kh7 36. Kh2 Qf7 37. Qf4 Qh5 38. f3 Qf7 39. Qe5 Kg6 40. Qg3+ Kh5 0-1

[Event "PER-ch"]
[White "Reyes la Rosa, Juan"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "3"]
[Result "0-1"]
[Date "2017.03.02"]
[ECO "D97"]
[WhiteElo "1880"]
[BlackElo "2254"]
[PlyCount "118"]
[EventDate "2017.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. Bf4 c6 8. e4 Be6 9. Qa4 Bg4 10. Rd1 b5 11. Qc2 Qa5 12. e5 Bxf3 13. gxf3 Nd5 14. Bd2 Nxc3 15. bxc3 Na6 16. h4 c5 17. h5 Qb6 18. Bd3 cxd4 19. hxg6 hxg6 20. cxd4 Qxd4 21. Bc3 Qc5 22. Qb2 Rac8 23. Bd4 Qb4+ 24. Ke2 Qxb2+ 25. Bxb2 Nc5 26. Bxb5 Rb8 27. a4 Nxa4 28. Bxa4 Rxb2+ 29. Rd2 Rxd2+ 30. Kxd2 Bxe5 31. Kd3 Rd8+ 32. Ke2 a5 33. Rd1 Rxd1 34. Kxd1 Bd4 35. Ke2 e5 36. Kd3 Bxf2 37. Ke4 Bg3 38. Kd5 Kg7 39. Bb5 Kf6 40. Be8 Ke7 41. Ba4 f5 42. Bb5 Kf6 43. Ba4 Bf2 44. Bb5 Ba7 45. Ba4 Be3 46. Bb5 g5 47. Bd7 Ba7 48. Ba4 g4 49. fxg4 fxg4 50. Ke4 Bb8 51. Bd1 g3 52. Kf3 e4+ 53. Kg2 Kf5 54. Bc2 Kf4 55. Ba4 Ba7 56. Bd1 e3 57. Be2 a4 58. Bc4 a3 59. Kf1 e2+ 0-1

[Event "PER-ch"]
[White "Guerrero Malpartida, Luis Carlos"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "1"]
[Result "0-1"]
[Date "2017.03.01"]
[ECO "B01"]
[WhiteElo "1689"]
[BlackElo "2254"]
[PlyCount "88"]
[EventDate "2017.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Qxd5 4. Nf3 Bg4 5. Be2 Nc6 6. Nc3 Qh5 7. Bf4 0-0-0 8. 0-0 Qf5 9. Be3 e5 10. d5 Bb4 11. Qc1 Nxd5 12. Nxd5 Rxd5 13. c3 Be7 14. b4 e4 15. Nd4 Nxd4 16. Bxg4 Qxg4 17. Bxd4 Bf6 18. Qa3 Bxd4 19. cxd4 Kb8 20. Rac1 Qd7 21. Qb3 Rxd4 22. a4 f5 23. a5 a6 24. Rc5 Rd3 25. Qc2 Rd8 26. h3 g6 27. Qc4 Rd1 28. b5 Rxf1+ 29. Qxf1 axb5 30. Rxb5 Qd3 31. Re5 Rd7 32. Qa1 Ka7 33. g3 Qd1+ 34. Qxd1 Rxd1+ 35. Kg2 Rd7 36. g4 fxg4 37. hxg4 Ka6 38. Kg3 Rf7 39. g5 c6 40. Rxe4 Kxa5 41. f4 b5 42. Re6 Rc7 43. Kf3 c5 44. Ke3 Rd7 0-1

[Event "PER-ch"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Estrada Zeta, Erick"]
[Site "Lima"]
[Round "2"]
[Result "1-0"]
[Date "2017.03.01"]
[ECO "B22"]
[WhiteElo "2254"]
[BlackElo "1933"]
[PlyCount "49"]
[EventDate "2017.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nc6 4. cxd4 d5 5. exd5 Qxd5 6. Nf3 e6 7. Nc3 Bb4 8. Be2 Nge7 9. 0-0 Bxc3 10. bxc3 0-0 11. c4 Qd8 12. Bb2 b6 13. Qb3 Bb7 14. Rad1 Na5 15. Qc3 f6 16. Qe3 Qd7 17. Bc3 Rac8 18. Bxa5 bxa5 19. Bd3 Rfe8 20. Rfe1 Nf5 21. Bxf5 exf5 22. Qc3 Rxe1+ 23. Rxe1 Qa4 24. Nd2 Bd5 25. Qb3 1-0

[Event "PER-ch Grand Prix final"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Lopez, Alberto"]
[Site "Lima"]
[Round "11"]
[Result "1/2-1/2"]
[Date "2016.01.24"]
[ECO "D84"]
[WhiteElo "2240"]
[BlackElo "2184"]
[PlyCount "22"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7 Na6 9. Bxa6 Qxg2 10. Qf3 Qxf3 11. Nxf3 bxa6 1/2-1/2

[Event "PER-ch Grand Prix final"]
[White "Principe, Alexander"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "10"]
[Result "0-1"]
[Date "2016.01.23"]
[ECO "C42"]
[WhiteElo "2339"]
[BlackElo "2240"]
[PlyCount "90"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. Re1 Bf5 9. c4 c6 10. Nc3 Nxc3 11. bxc3 Bxd3 12. Qxd3 dxc4 13. Qxc4 Nd7 14. Bg5 Qc7 15. Be7 Nb6 16. Qe2 Bxe7 17. Qxe7 Qxe7 18. Rxe7 Rab8 19. Re5 f6 20. Ra5 a6 21. Rb1 Nc4 22. Rc5 Nd6 23. Nd2 Rfc8 24. Rb6 Rd8 25. f3 Rbc8 26. Kf2 Kf8 27. a4 Rc7 28. Rb2 Re7 29. Nc4 Nxc4 30. Rxc4 Rd5 31. h4 a5 32. g4 h5 33. Re2 Rxe2+ 34. Kxe2 Ke7 35. Ke3 Kd6 36. Ke4 b6 37. Ke3 g6 38. Kd3 Kd7 39. Kc2 b5 40. Rc5 Rxc5 41. dxc5 Ke6 42. f4 f5 43. gxh5 gxh5 44. axb5 cxb5 45. c4 bxc4 0-1

[Event "PER-ch Grand Prix final"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Terry, Renato"]
[Site "Lima"]
[Round "9"]
[Result "0-1"]
[Date "2016.01.23"]
[ECO "A84"]
[WhiteElo "2240"]
[BlackElo "2465"]
[PlyCount "92"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 f5 4. g4 fxg4 5. h3 g3 6. fxg3 e5 7. dxe5 Bxe5 8. Nf3 Bxg3+ 9. Kd2 Bf4+ 10. e3 Bh6 11. Bd3 Nf6 12. Kc2 Nc6 13. a3 d6 14. Re1 Ne5 15. Nxe5 dxe5 16. Qf3 0-0 17. Qg3 Qe7 18. Bd2 e4 19. Be2 c6 20. h4 Bf5 21. h5 Rad8 22. hxg6 hxg6 23. Rh1 Bg7 24. Qh4 Kf7 25. Raf1 Rh8 26. Qe1 Rxh1 27. Rxh1 Qd6 28. Rf1 Kg8 29. Bc1 Ng4 30. Rg1 Ne5 31. Qg3 Nd3 32. Qxd6 Rxd6 33. Bd2 Ne5 34. Be1 Nf3 35. Rh1 g5 36. c5 Rh6 37. Rxh6 Nxe1+ 38. Kd1 Bxh6 39. Kxe1 Bg7 40. Nd1 Kf7 41. b4 Be5 42. Kd2 g4 43. Bf1 g3 44. Bg2 Kf6 45. a4 Ke6 46. Kc2 Kd5 0-1

[Event "PER-ch Grand Prix final"]
[White "Cori, Jorge Moise"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "8"]
[Result "1-0"]
[Date "2016.01.22"]
[ECO "D79"]
[WhiteElo "2596"]
[BlackElo "2240"]
[PlyCount "91"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c6 6. d4 d5 7. cxd5 cxd5 8. Ne5 Nc6 9. 0-0 e6 10. Bf4 Nd7 11. Nxc6 bxc6 12. Na4 Qa5 13. Rc1 Ba6 14. Bd2 Qb5 15. e3 Rfc8 16. b4 Qb7 17. Re1 Bc4 18. Nb2 Ba6 19. Bc3 Bf8 20. Rb1 Rab8 21. h4 Qc7 22. Nd3 Bxd3 23. Qxd3 Rb7 24. Rb3 Rcb8 25. Reb1 Qd8 26. Qc2 Be7 27. Bf1 Nf6 28. Be1 Qd7 29. Bd3 Bd6 30. a3 h5 31. Rc1 a5 32. Qxc6 Qe7 33. Qa4 axb4 34. axb4 Bxb4 35. Rcb1 Bxe1 36. Rxb7 Rxb7 37. Qa8+ Kg7 38. Rxb7 Bxf2+ 39. Kg2 Qd6 40. Kxf2 Ng4+ 41. Kg2 e5 42. Qa6 Nxe3+ 43. Kf2 Ng4+ 44. Ke2 Qxa6 45. Bxa6 exd4 46. Rb4 1-0

[Event "PER-ch Grand Prix final"]
[White "Cuellar, Diego"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "7"]
[Result "1/2-1/2"]
[Date "2016.01.22"]
[ECO "A51"]
[WhiteElo "2382"]
[BlackElo "2240"]
[PlyCount "40"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. Nf3 exd5 5. d4 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 0-0 8. Be2 dxc4 9. Nxc4 Be6 10. 0-0 Nc6 11. Rc1 Bd5 12. a3 Re8 13. b4 Bxf3 14. Bxf3 Nxd4 15. Na5 b6 16. Nc6 Nxf3+ 17. Qxf3 Qd5 18. Qg3 Qd6 19. Qf3 Qd5 20. Qg3 Qd6 1/2-1/2

[Event "PER-ch Grand Prix final"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Vera Siguenas, Deivy Anthoni"]
[Site "Lima"]
[Round "6"]
[Result "0-1"]
[Date "2016.01.21"]
[ECO "E11"]
[WhiteElo "2240"]
[BlackElo "2498"]
[PlyCount "108"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. Nc3 0-0 9. Nd5 Bxd2 10. Qxd2 c6 11. Nxf6+ Qxf6 12. Rad1 Re8 13. Ng5 Qe7 14. d5 c5 15. e4 h6 16. Nf3 a4 17. Nh4 Nf6 18. Rfe1 Bd7 19. Bf1 Nh7 20. Bd3 Rab8 21. Qe2 b6 22. b3 axb3 23. axb3 Ra8 24. Ra1 Ng5 25. Qe3 Reb8 26. Nf3 Nh3+ 27. Kg2 Qf6 28. Ng1 Ng5 29. h4 Nh7 30. b4 Qd8 31. b5 Nf6 32. Be2 Rxa1 33. Rxa1 Ra8 34. Ra6 Rxa6 35. bxa6 Qa8 36. Qa3 Qa7 37. f4 exf4 38. Bd3 fxg3 39. Ne2 Bc8 40. Qa4 b5 41. Qa5 Qd7 42. Ng1 bxc4 43. a7 Bb7 44. a8Q+ Bxa8 45. Qxa8+ Kh7 46. Bc2 g6 47. Nf3 Qe7 48. e5 dxe5 49. Qc6 e4 50. Ng5+ hxg5 51. hxg5 Ne8 52. Bd1 e3 53. Be2 c3 54. Qa4 Nd6 0-1

[Event "PER-ch Grand Prix final"]
[White "Escalante Ramirez, Brian Sebastian"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "5"]
[Result "1/2-1/2"]
[Date "2016.01.20"]
[ECO "C57"]
[WhiteElo "2331"]
[BlackElo "2240"]
[PlyCount "89"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. Bb3 Rf8 7. 0-0 d6 8. Nc3 Nd4 9. Nd5+ Nxd5 10. Bxd5 Rf4 11. Kh1 h6 12. c3 hxg5 13. cxd4 Qh8 14. d3 Bxd4 15. Bxf4 gxf4 16. g4 c6 17. Bb3 Bxb2 18. Rb1 Bd4 19. Qf3 b5 20. a4 a6 21. Kg2 Bd7 22. h4 Qxh4 23. Rh1 Qxg4+ 24. Qxg4 Bxg4 25. Rh7 Kf6 26. Rg1 bxa4 27. Bxa4 Rb8 28. Kh2 Be6 29. Rg2 Rb2 30. Rhxg7 Bf7 31. f3 Bf2 32. Rh7 Bg3+ 33. Kh1 Rb6 34. Rc2 c5 35. Kg2 Rb4 36. Bc6 Rd4 37. Bb7 Rxd3 38. Bxa6 Ra3 39. Be2 Bb3 40. Rd2 Ra2 41. Rxd6+ Kg5 42. Rg7+ Kh5 43. Rh7+ Kg5 44. Rd2 Kf6 45. Rh6+ 1/2-1/2

[Event "PER-ch Grand Prix final"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Cruz, Cristhian"]
[Site "Lima"]
[Round "4"]
[Result "1/2-1/2"]
[Date "2016.01.20"]
[ECO "E11"]
[WhiteElo "2240"]
[BlackElo "2553"]
[PlyCount "113"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Bd2 c5 5. Bxb4 cxb4 6. Nbd2 0-0 7. e4 d6 8. Bd3 Nc6 9. 0-0 e5 10. d5 Ne7 11. a3 bxa3 12. Rxa3 Bg4 13. Qa1 Bxf3 14. Nxf3 a5 15. c5 Nexd5 16. exd5 e4 17. Bxe4 Nxe4 18. c6 bxc6 19. dxc6 Re8 20. Nd4 g6 21. b4 Re5 22. Rc1 Qc7 23. Rxa5 Rexa5 24. bxa5 Nc5 25. Re1 Nd3 26. Re3 Ne5 27. a6 Qb6 28. Ra3 Nc4 29. Ra2 d5 30. a7 Nd6 31. Ra6 Qc5 32. Ra5 Qb6 33. Ra6 Qc5 34. Ra5 Qc4 35. h3 Nc8 36. g3 h5 37. Ra4 Qc5 38. Ra5 Qc4 39. Ra4 Qc5 40. Ra5 Qc4 41. Kg2 Kh7 42. Ra4 Qc5 43. Ra5 Qc4 44. Ra4 Qc5 45. Qa3 Qxa3 46. Rxa3 Rxa7 47. Rxa7 Nxa7 48. c7 Kg7 49. Nc6 Nc8 50. Nb4 Kf6 51. Nxd5+ Ke6 52. Nf4+ Kd6 53. Nd3 Kxc7 54. Ne5 Nd6 55. Kf3 Kd8 56. Kf4 Ke7 57. g4 1/2-1/2

[Event "PER-ch Grand Prix final"]
[White "Leiva Rodriguez, Jeammarco Giuseppe"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "3"]
[Result "0-1"]
[Date "2016.01.19"]
[ECO "A58"]
[WhiteElo "2384"]
[BlackElo "2240"]
[PlyCount "114"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 c5 7. d5 b5 8. cxb5 a6 9. bxa6 Bxa6 10. Nc3 Nbd7 11. Qc2 Qc7 12. Rd1 Rfb8 13. Rb1 Nb6 14. b3 Bc8 15. h3 Bd7 16. Bb2 Qc8 17. Kh2 Ne8 18. Rdc1 Nc7 19. e4 Qf8 20. Re1 Rc8 21. Bf1 Na6 22. a3 Nc7 23. Kg2 Rcb8 24. Rbd1 e5 25. Nd2 f5 26. f3 Ne8 27. Ra1 Nf6 28. a4 Nh5 29. a5 Nc8 30. Nc4 Bh6 31. Bc1 Bxc1 32. Rexc1 Qf6 33. Rcb1 Ra7 34. Qd2 Rc7 35. Be2 f4 36. g4 Ng3 37. Bd1 h5 38. Qf2 Na7 39. Ne2 hxg4 40. hxg4 Nxe4 41. fxe4 Bxg4 42. Nxf4 exf4 43. Bxg4 Qg5 44. Kf3 Nb5 45. Be6+ Kg7 46. Rg1 Qf6 47. e5 dxe5 48. Nb6 Nd4+ 49. Ke4 Nxe6 50. dxe6 Qf5+ 51. Kd5 e4+ 52. Kd6 Rcb7 53. Rxg6+ Kf8 54. Rag1 Rxb6+ 55. axb6 Rd8+ 56. Kc6 Qd5+ 57. Kc7 Qd6+ 0-1

[Event "PER-ch Grand Prix final"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Fernandez Sanchez, Fernando Miguel"]
[Site "Lima"]
[Round "2"]
[Result "0-1"]
[Date "2016.01.19"]
[ECO "A35"]
[WhiteElo "2240"]
[BlackElo "2335"]
[PlyCount "50"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Bc4 Nb6 9. Bb5 Bg7 10. 0-0 0-0 11. Be3 Be6 12. Bxc6 bxc6 13. Ne5 Bxe5 14. dxe5 Nc4 15. Qe2 Qb8 16. f4 Qxb2 17. Qxb2 Nxb2 18. Bc5 Rfe8 19. Ne4 Bf5 20. Nf2 a5 21. Rac1 Be6 22. Rc2 Rab8 23. a3 Rb3 24. Rb1 Reb8 25. Nd3 Nxd3 0-1

[Event "PER-ch Grand Prix final"]
[White "Cori Quispe, Kevin Joel"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "1"]
[Result "1/2-1/2"]
[Date "2016.01.18"]
[ECO "C24"]
[WhiteElo "2348"]
[BlackElo "2240"]
[PlyCount "123"]
[EventDate "2016.01.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "PER"]
[EventCategory "6"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bd6 6. exd5 Nxd5 7. 0-0 0-0 8. h3 a5 9. a3 a4 10. Ba2 Nf4 11. Nc3 Qf6 12. Ne4 Qg6 13. Bxf4 exf4 14. Nxd6 Qxd6 15. Re1 Ra5 16. Qd2 Rf5 17. Re4 b5 18. Rae1 Nd7 19. Qa5 Nf6 20. Rd4 Nd5 21. c4 bxc4 22. dxc4 Qc7 23. Qxa4 Nf6 24. c5 Rxc5 25. Rxf4 Nd5 26. Rd4 Ra5 27. Qc2 Nf4 28. Rc4 Rf5 29. Rxc6 Qd8 30. Rc3 Be6 31. Bxe6 fxe6 32. Qe4 Qf6 33. Nd4 Rg5 34. Rg3 e5 35. Nf3 Rxg3 36. fxg3 Nxh3+ 37. gxh3 Qxf3 38. Qxf3 Rxf3 39. Kg2 Rb3 40. Rxe5 Rxb2+ 41. Kf3 Ra2 42. Re3 Kf7 43. Ke4 Ke6 44. Kd4+ Kd6 45. Kc4 h5 46. h4 Rc2+ 47. Kb4 Rb2+ 48. Rb3 Re2 49. Rc3 g5 50. hxg5 Re5 51. a4 Rxg5 52. a5 Rg4+ 53. Kb5 h4 54. a6 hxg3 55. a7 g2 56. Rc1 Rg5+ 57. Kb6 g1Q+ 58. Rxg1 Rxg1 59. a8Q Rb1+ 60. Ka7 Ra1+ 61. Kb7 Rxa8 62. Kxa8 1/2-1/2

[Event "Antofagasta Zicosur op 2nd"]
[White "Melendes Suarez, Fernando"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Antofagasta"]
[Round "7"]
[Result "0-1"]
[Date "2016.01.09"]
[ECO "A47"]
[WhiteElo "1830"]
[BlackElo "2240"]
[PlyCount "62"]
[EventDate "2016.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. d4 c5 5. dxc5 bxc5 6. c4 g6 7. 0-0 Bg7 8. Nc3 0-0 9. Qb3 Qc8 10. Be3 d6 11. Qc2 Nc6 12. a3 Rb8 13. Rab1 a5 14. Bd2 Nd4 15. Nxd4 cxd4 16. Bxb7 Rxb7 17. Na2 Rb5 18. f3 Rc5 19. Qd3 Rxc4 20. Bxa5 Bh6 21. Bd2 Bxd2 22. Qxd2 Nd5 23. Rbc1 Ne3 24. Rf2 Rxc1+ 25. Nxc1 Qc4 26. b3 Qc5 27. Qb2 Nd1 28. Qa1 Nxf2 29. Kxf2 d3+ 30. Ke1 Rc8 31. Nxd3 Qg1+ 0-1

[Event "Antofagasta Zicosur op 2nd"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Valenzuela Gomez, Fernando Alberto"]
[Site "Antofagasta"]
[Round "6"]
[Result "0-1"]
[Date "2016.01.08"]
[ECO "E76"]
[WhiteElo "2240"]
[BlackElo "2293"]
[PlyCount "58"]
[EventDate "2016.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 Bg4 7. Be3 c5 8. d5 e6 9. Bd3 exd5 10. cxd5 b5 11. e5 dxe5 12. fxe5 Nfd7 13. Bxb5 Nxe5 14. Bxc5 Bxf3 15. gxf3 Qh4+ 16. Bf2 Qh3 17. Bg3 Qg2 18. Rf1 Qxb2 19. Rc1 Ned7 20. Qd2 Bxc3 21. Rxc3 Qxb5 22. Rb3 Qc5 23. Rf2 Re8+ 24. Kf1 Nf6 25. d6 Nbd7 26. Qd3 Qc1+ 27. Kg2 Re1 28. Qd2 Rg1+ 29. Kh3 Qc5 0-1

[Event "Antofagasta Zicosur op 2nd"]
[White "Magas Varas, Rodrigo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Antofagasta"]
[Round "5"]
[Result "0-1"]
[Date "2016.01.07"]
[ECO "C44"]
[WhiteElo "2089"]
[BlackElo "2240"]
[PlyCount "74"]
[EventDate "2016.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d3 d5 5. Nbd2 Be7 6. c3 0-0 7. Qc2 a5 8. a4 h6 9. h3 Be6 10. Nf1 Nd7 11. Ne3 d4 12. Nd5 Nc5 13. Nxe7+ Qxe7 14. Ra3 f5 15. Bd2 fxe4 16. dxe4 Rad8 17. cxd4 exd4 18. Bc4 Nxe4 19. Qxe4 Bxc4 20. Qxe7 Nxe7 21. Bxa5 Nd5 22. Bd2 c5 23. Kd1 Rde8 24. Re1 Rxe1+ 25. Bxe1 Re8 26. b3 Be2+ 27. Kd2 Bxf3 28. gxf3 Nf4 29. Kd1 Nd3 30. Bd2 Nxf2+ 31. Kc2 Rf8 32. b4 c4 33. a5 c3 34. Bc1 Rc8 35. Bf4 d3+ 36. Kc1 d2+ 37. Bxd2 Nd3+ 0-1

[Event "Antofagasta Zicosur op 2nd"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Oliva Olave, Carlos"]
[Site "Antofagasta"]
[Round "4"]
[Result "1-0"]
[Date "2016.01.07"]
[ECO "B11"]
[WhiteElo "2240"]
[BlackElo "2063"]
[PlyCount "93"]
[EventDate "2016.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 c6 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. b3 Nd7 7. exd5 cxd5 8. Qg3 a6 9. Bd3 Qb8 10. Qxb8+ Rxb8 11. Bb2 Ngf6 12. 0-0-0 Bd6 13. Kb1 0-0 14. g4 Nc5 15. Be2 b5 16. f3 d4 17. Ne4 Nfxe4 18. fxe4 Nxe4 19. Bxd4 Ng3 20. Rhe1 Nxe2 21. Rxe2 Rfd8 22. c3 Bc7 23. Kc2 Bb6 24. Be5 Rb7 25. g5 Rbd7 26. a4 Bc7 27. axb5 axb5 28. Bxc7 Rxc7 29. Re5 Rb7 30. Rf1 Rd6 31. Rf4 h6 32. Rb4 Rdb6 33. gxh6 f6 34. Rh5 g6 35. h7+ Rxh7 36. Rxh7 Kxh7 37. c4 g5 38. Rxb5 Rc6 39. Kd3 Kg6 40. b4 Rc8 41. c5 Rh8 42. c6 Rxh3+ 43. Ke2 Rh8 44. c7 Rc8 45. Rc5 Kf7 46. b5 Ke7 47. b6 1-0

[Event "Antofagasta Zicosur op 2nd"]
[White "Bulgarini Torre, Marco"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Antofagasta"]
[Round "3"]
[Result "1/2-1/2"]
[Date "2016.01.06"]
[ECO "C55"]
[WhiteElo "1989"]
[BlackElo "2240"]
[PlyCount "179"]
[EventDate "2016.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. 0-0 Nd6 6. Bb3 Be7 7. Re1 0-0 8. Nxe5 Nxe5 9. Rxe5 Bf6 10. Re1 Nf5 11. Nd5 c6 12. Nxf6+ Qxf6 13. c3 Nh4 14. Qh5 d5 15. d4 h6 16. Bd1 Bf5 17. g3 Ng6 18. Bg4 Bxg4 19. Qxg4 Rae8 20. Bd2 Re6 21. h4 Rfe8 22. h5 Nf8 23. Rxe6 Qxe6 24. Qxe6 fxe6 25. Re1 Nd7 26. f3 Kf7 27. Bf4 c5 28. Kf2 Rc8 29. Be5 Rc6 30. g4 b5 31. a3 a5 32. Re2 b4 33. axb4 axb4 34. dxc5 Nxc5 35. Bd4 Nd7 36. cxb4 Rc4 37. Rd2 Rxb4 38. Bc3 Rb5 39. Re2 Nb8 40. Rc2 Rc5 41. Rd2 Nc6 42. f4 Rc4 43. Ke3 Re4+ 44. Kf3 Ra4 45. b3 Ra3 46. Rb2 Na7 47. Bb4 Ra6 48. Rc2 Nc6 49. Bc5 e5 50. fxe5 Nxe5+ 51. Kg3 Nc6 52. Rf2+ Ke6 53. Bf8 Ra7 54. Re2+ Kf7 55. Rf2+ Ke6 56. Re2+ Kf6 57. Rc2 Na5 58. Ra2 Nc6 59. Rc2 Na5 60. Rf2+ Ke6 61. b4 Nc4 62. Re2+ Kf7 63. Rf2+ Kg8 64. Bc5 Rd7 65. Rf8+ Kh7 66. Bd4 Nd6 67. Rb8 Re7 68. Bc5 Ne4+ 69. Kf4 Nxc5 70. bxc5 Re4+ 71. Kf5 Rc4 72. Rc8 d4 73. Ke4 d3+ 74. Kxd3 Rxg4 75. c6 Rg1 76. Kd4 Rc1 77. Ke5 Re1+ 78. Kd6 Rd1+ 79. Kc7 Rh1 80. Rd8 Rxh5 81. Kd6 Rh1 82. c7 Rc1 83. c8Q Rxc8 84. Rxc8 Kg6 85. Ke6 Kg5 86. Kf7 h5 87. Rc5+ Kg4 88. Kg6 h4 89. Rg5+ Kf3 90. Rg1 1/2-1/2

[Event "Antofagasta Zicosur op 2nd"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Perez Ponsa, Federico"]
[Site "Antofagasta"]
[Round "2"]
[Result "0-1"]
[Date "2016.01.06"]
[ECO "B14"]
[WhiteElo "2240"]
[BlackElo "2577"]
[PlyCount "104"]
[EventDate "2016.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. e3 cxd4 5. exd4 d5 6. Nf3 Be7 7. c5 b6 8. Bb5+ Bd7 9. Bxd7+ Nfxd7 10. cxb6 Qxb6 11. 0-0 0-0 12. b3 Nc6 13. Na4 Qb5 14. Bg5 Ba3 15. Nc3 Qa5 16. Ne2 Rfc8 17. Ng3 Qc3 18. Ne2 Qb4 19. Nf4 Qb6 20. Ne2 Nb4 21. Bc1 Qa6 22. Ne1 Rc6 23. Bxa3 Qxa3 24. Nd3 Nxd3 25. Qxd3 Rac8 26. Qe3 Nb6 27. h4 Rc2 28. Rfc1 Qb2 29. Rcb1 Qa3 30. Rc1 h6 31. Rxc2 Rxc2 32. Nf4 Rxa2 33. Rxa2 Qxa2 34. Qc3 Qb1+ 35. Kh2 Qe4 36. g3 Nd7 37. Qc8+ Nf8 38. Qc5 Qf3 39. Qxa7 Qxb3 40. h5 Qc2 41. Kg1 Qb1+ 42. Kh2 Qc2 43. Kg1 g5 44. hxg6 Nxg6 45. Qb8+ Kh7 46. Qe8 Qb1+ 47. Kh2 Qf5 48. Nh3 Kg7 49. Qa4 h5 50. Qd1 h4 51. Qe2 hxg3+ 52. Kxg3 Qxh3+ 0-1

[Event "Antofagasta Zicosur op 2nd"]
[White "Andrade Lopez, Alexander"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Antofagasta"]
[Round "1"]
[Result "0-1"]
[Date "2016.01.05"]
[ECO "E07"]
[WhiteElo "1629"]
[BlackElo "2240"]
[PlyCount "58"]
[EventDate "2016.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 Nbd7 7. Nbd2 c5 8. b3 cxd4 9. Nxd4 Nb6 10. Bb2 dxc4 11. Nxc4 Nxc4 12. bxc4 Qc7 13. Rc1 a6 14. Qb3 Bc5 15. Rfd1 e5 16. Nf3 Re8 17. Qc2 e4 18. Nd4 e3 19. f4 Ng4 20. Nf5 Bf8 21. Bd5 Be6 22. h3 Nf2 23. Nh6+ Kh8 24. Bxe6 Rxe6 25. Qf5 Rxh6 26. Rd7 Qc6 27. Qd5 Qg6 28. Kg2 Rxh3 29. Qg5 Qe4+ 0-1

[Event "Bogota Millonario op"]
[White "Juez, Jhon Alexander"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Bogota"]
[Round "7"]
[Result "0-1"]
[Date "2015.12.21"]
[ECO "B13"]
[WhiteElo "2068"]
[BlackElo "2265"]
[PlyCount "88"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 e5 7. dxe5 Nxe5 8. Qe2 Qe7 9. Bb5+ Bd7 10. Be3 Nc4 11. Bxc4 dxc4 12. Qxc4 Bc6 13. Nf3 Nd5 14. Qd4 Nxe3 15. Qxe3 0-0-0 16. Qxe7 Bxe7 17. Nbd2 g5 18. 0-0-0 f5 19. Rhe1 Bf6 20. Nc4 g4 21. hxg4 fxg4 22. Nfe5 Rxd1+ 23. Rxd1 Bxe5 24. Nxe5 Bxg2 25. Nxg4 h5 26. Rg1 Bd5 27. Ne5 Bxa2 28. Kc2 Bd5 29. f3 h4 30. c4 Bc6 31. Nxc6 bxc6 32. Rh1 h3 33. Rh2 Kd7 34. Kd3 Kd6 35. Ke3 Kc5 36. Kd3 a5 37. Kc3 a4 38. b4+ axb3 39. Kxb3 Kd4 40. Kb4 Rh5 41. c5 Ke3 42. Ka5 Rxc5+ 43. Kb6 Rh5 44. Kxc6 Kxf3 0-1

[Event "Bogota Millonario op"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Obando Guzman, Soren Federico"]
[Site "Bogota"]
[Round "6"]
[Result "1-0"]
[Date "2015.12.21"]
[ECO "E44"]
[WhiteElo "2265"]
[BlackElo "1932"]
[PlyCount "41"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 0-0 6. a3 Be7 7. e4 d6 8. Ng3 Bb7 9. Bd3 c5 10. d5 exd5 11. exd5 Re8 12. 0-0 h6 13. Qf3 Nbd7 14. Nf5 Ne5 15. Qg3 Ng6 16. Bxh6 gxh6 17. Nxh6+ Kg7 18. Nxf7 Kxf7 19. Qxg6+ Kf8 20. Bf5 Bc8 21. Be6 1-0

[Event "Bogota Millonario op"]
[White "Guzman, Pedro Juan"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Bogota"]
[Round "5"]
[Result "0-1"]
[Date "2015.12.20"]
[ECO "C55"]
[WhiteElo "1988"]
[BlackElo "2265"]
[PlyCount "90"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Nfg5+ Kg8 8. Qf3 Qd7 9. Ng3 h6 10. Nh3 Qf7 11. Qxf7+ Kxf7 12. 0-0 g5 13. f3 Bxh3 14. gxh3 Kg6 15. d3 Bc5+ 16. Kg2 Bb6 17. c3 Nd8 18. Bd2 c6 19. Rae1 Nf7 20. d4 Rae8 21. dxe5 Nxe5 22. Be3 Nd3 23. Bd2 Nxe1+ 24. Bxe1 h5 25. Bf2 h4 26. Nh1 Re2 27. Kg1 Rxb2 28. Bxb6 axb6 29. Nf2 Re8 30. Ng4 Rbe2 31. f4 Re1 32. f5+ Kf7 33. Rxe1 Rxe1+ 34. Kf2 Re4 35. Kf3 Rf4+ 36. Ke3 Rxf5 37. Nh6+ Ke6 38. Nxf5 Kxf5 39. Kf3 b5 40. a3 c5 41. Ke3 g4 42. hxg4+ Kxg4 43. h3+ Kxh3 44. Kf3 d4 45. cxd4 cxd4 0-1

[Event "Bogota Millonario op"]
[White "Cespedes Rodriguez, Jaime"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Bogota"]
[Round "3"]
[Result "1-0"]
[Date "2015.12.19"]
[ECO "A45"]
[WhiteElo "2113"]
[BlackElo "2265"]
[PlyCount "73"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 d5 4. f3 Nd6 5. e3 Bf5 6. Nc3 c6 7. Bd3 Qb6 8. Nge2 Bg6 9. b3 Nd7 10. 0-0 e6 11. e4 Be7 12. Bxe7 Kxe7 13. Qe1 Rhe8 14. Na4 Qc7 15. e5 Nf5 16. Bxf5 Bxf5 17. Qb4+ Kd8 18. c4 Bd3 19. Rfe1 Bxe2 20. Rxe2 Nb6 21. Nc5 Kc8 22. Rc2 Rd8 23. cxd5 Nxd5 24. Qd2 Ne7 25. g4 Kb8 26. b4 a6 27. a4 Rd5 28. Rb1 Qd8 29. b5 Rxd4 30. Qe2 axb5 31. axb5 cxb5 32. Rxb5 Ra7 33. Rcb2 Rd1+ 34. Kg2 Ng6 35. Rxb7+ Rxb7 36. Rxb7+ Kc8 37. Rb8+ 1-0

[Event "Bogota Millonario op"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Tirado, Juan Camilo"]
[Site "Bogota"]
[Round "4"]
[Result "1-0"]
[Date "2015.12.19"]
[ECO "B09"]
[WhiteElo "2265"]
[BlackElo "2074"]
[PlyCount "107"]
[EventDate "2015.12.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. e5 dxe5 7. fxe5 Nd5 8. Bc4 Nb6 9. Bb3 Bg4 10. Be3 Nc6 11. Qd2 Na5 12. 0-0-0 Nbc4 13. Qe2 Nxe3 14. Qxe3 Nxb3+ 15. axb3 c6 16. h3 Bxf3 17. gxf3 e6 18. h4 h5 19. Ne4 Qe7 20. Qf4 Rfd8 21. c3 a5 22. Rhg1 b6 23. Rg5 a4 24. Nf6+ Kf8 25. Nxh5 Bh6 26. Nf6 axb3 27. Kd2 c5 28. Ke2 cxd4 29. cxd4 Qc7 30. h5 Bxg5 31. Qxg5 Qc2+ 32. Rd2 Qf5 33. Qh6+ Ke7 34. hxg6 Qxg6 35. Qh4 Rac8 36. Nd5+ Kf8 37. Qh8+ Qg8 38. Qxg8+ Kxg8 39. Ne7+ Kg7 40. Nxc8 Rxc8 41. Ke3 Rc4 42. Rd3 Rb4 43. Rc3 Rb5 44. Kd3 Rb4 45. Rc4 Rb5 46. Kc3 Rd5 47. Rb4 b5 48. Kd3 f6 49. f4 Kg6 50. Rxb3 Kf5 51. exf6 Kxf6 52. Ke4 Ke7 53. Rc3 Kd6 54. Rc5 1-0

[Event "Lima Gran Prix IRT op"]
[White "Rengifo Blancas, Renzo Jhonathan"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "7"]
[Result "1-0"]
[Date "2015.12.15"]
[ECO "B17"]
[WhiteElo "2066"]
[BlackElo "2265"]
[PlyCount "111"]
[EventDate "2015.12.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 e6 7. N1f3 Bd6 8. Qe2 h6 9. Ne4 Nxe4 10. Qxe4 Nf6 11. Qh4 Qa5+ 12. c3 Qh5 13. Qxh5 Nxh5 14. Ne5 Nf6 15. Bf4 Ke7 16. Nxf7 Kxf7 17. Bxd6 Rd8 18. Bc7 Rd7 19. Be5 b6 20. 0-0 Bb7 21. Rae1 Rc8 22. f4 g6 23. f5 exf5 24. Bxf5 gxf5 25. Rxf5 Kg6 26. Rxf6+ Kh7 27. Ref1 Rcd8 28. Re6 c5 29. Rff6 cxd4 30. Rxh6+ Kg8 31. Reg6+ Kf8 32. Rh8+ Kf7 33. Rxd8 Rxd8 34. Rg7+ Ke6 35. cxd4 Bd5 36. Rxa7 Rc8 37. Rc7 Rg8 38. g3 Kf5 39. Kf2 Ke4 40. h4 Rf8+ 41. Ke2 Be6 42. Kd2 Rf2+ 43. Kc3 Bxa2 44. b3 Bb1 45. Kb4 Bd3 46. h5 Rh2 47. g4 Rh4 48. Rc6 Be2 49. Rxb6 Bxg4 50. h6 Bf5 51. Rf6 Rh1 52. Kc5 Bh7 53. b4 Bg8 54. b5 Rc1+ 55. Kd6 Rb1 56. Rf8 1-0

[Event "Lima Gran Prix IRT op"]
[White "Correa Atucsa, Breiner Roiser"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "5"]
[Result "0-1"]
[Date "2015.12.14"]
[ECO "D80"]
[WhiteElo "2036"]
[BlackElo "2265"]
[PlyCount "66"]
[EventDate "2015.12.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Bg7 5. Bxf6 Bxf6 6. cxd5 c6 7. e3 cxd5 8. Qb3 e6 9. Bb5+ Nc6 10. Nf3 0-0 11. Bxc6 bxc6 12. 0-0 c5 13. dxc5 Qa5 14. Rfc1 Bd7 15. Nd4 Rab8 16. Qc2 Rfc8 17. Qd2 Be7 18. Nb3 Qb4 19. e4 a5 20. exd5 a4 21. dxe6 Bxe6 22. Nd4 Rd8 23. Rd1 Bxc5 24. Qg5 Rxd4 25. a3 Rxd1+ 26. Rxd1 Be7 27. Qg3 Qxb2 28. Nxa4 Qb3 29. Qxb3 Rxb3 30. h3 Rxa3 31. Nb6 Bc5 32. Nd7 Bxd7 33. Rxd7 Ra1+ 0-1

[Event "Lima Gran Prix IRT op"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Donayre, Bertin"]
[Site "Lima"]
[Round "6"]
[Result "1/2-1/2"]
[Date "2015.12.14"]
[ECO "D94"]
[WhiteElo "2265"]
[BlackElo "2125"]
[PlyCount "18"]
[EventDate "2015.12.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 g6 3. e3 Nf6 4. d4 Bg7 5. Nc3 0-0 6. Be2 cxd4 7. exd4 d5 8. h3 Nc6 9. 0-0 Be6 1/2-1/2

[Event "Lima Gran Prix IRT op"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Terry, Renato"]
[Site "Lima"]
[Round "4"]
[Result "0-1"]
[Date "2015.12.13"]
[ECO "C03"]
[WhiteElo "2265"]
[BlackElo "2465"]
[PlyCount "62"]
[EventDate "2015.12.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. dxc5 Bxc5 7. 0-0 0-0 8. a3 Nc6 9. b4 Bd6 10. Bb2 Bf4 11. Qe2 Ng4 12. Rad1 Qc7 13. g3 Be5 14. Nxe5 Ngxe5 15. b5 Nxd3 16. Qxd3 Ne5 17. Qc3 Qxc3 18. Bxc3 Ng6 19. Bb4 Re8 20. c4 d4 21. c5 a6 22. bxa6 Rxa6 23. Nc4 e5 24. Nd6 Rd8 25. f4 f6 26. fxe5 fxe5 27. Nf7 Rd7 28. Nd6 Rc7 29. Nb5 Rcc6 30. Rc1 Bh3 31. Rfe1 Nf8 0-1

[Event "Lima Gran Prix IRT op"]
[White "Saldana Diaz, Juan"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "3"]
[Result "0-1"]
[Date "2015.12.13"]
[ECO "C48"]
[WhiteElo "2064"]
[BlackElo "2265"]
[PlyCount "64"]
[EventDate "2015.12.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Bc4 Bc5 6. d3 0-0 7. Bg5 h6 8. Bh4 Nxf3+ 9. Qxf3 g5 10. Bg3 d6 11. Nd5 Nxd5 12. Bxd5 Kg7 13. h4 g4 14. Qe2 c6 15. Bb3 a5 16. a4 h5 17. f4 exf4 18. Bxf4 Qf6 19. Qd2 Qxb2 20. Bh6+ Kh7 21. Ke2 g3 22. Raf1 Bg4+ 23. Rf3 Bxf3+ 24. Kxf3 Qf6+ 25. Bf4 Qg6 26. d4 Qg4+ 27. Ke3 Rae8 28. dxc5 f5 29. e5 Rxe5+ 30. Kd3 Re4 31. Rf1 dxc5 32. Kc3 Qg7+ 0-1

[Event "PER-ch"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Cori Tello, Deysi Estella"]
[Site "Lima"]
[Round "7"]
[Result "1/2-1/2"]
[Date "2015.05.03"]
[ECO "B06"]
[WhiteElo "2262"]
[BlackElo "2441"]
[PlyCount "75"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c3 d6 4. f4 Nf6 5. e5 dxe5 6. fxe5 Nd5 7. Nf3 0-0 8. Bc4 Nb6 9. Bb3 c5 10. dxc5 Qxd1+ 11. Kxd1 N6d7 12. e6 Nxc5 13. exf7+ Kh8 14. Be3 Nxb3 15. axb3 Nc6 16. b4 Bg4 17. Ke2 a6 18. h3 Bxf3+ 19. gxf3 Ne5 20. Nd2 Nxf7 21. Ra5 Nd6 22. Rd5 Rad8 23. Ne4 Nc4 24. Rhd1 Rc8 25. Bc1 Ne5 26. f4 Nc6 27. Nc5 e5 28. Ne6 Rf7 29. Nxg7 Kxg7 30. Rd7 Rcf8 31. Rxf7+ Rxf7 32. fxe5 Nxe5 33. Be3 Nc6 34. Rd5 Rf5 35. Rd7+ Rf7 36. Rd5 Rf5 37. Rd7+ Rf7 38. Rd5 1/2-1/2

[Event "PER-ch"]
[White "Santiago Vilca, Christian Amilca"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "8"]
[Result "1/2-1/2"]
[Date "2015.05.03"]
[ECO "E97"]
[WhiteElo "1890"]
[BlackElo "2262"]
[PlyCount "98"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 Nd7 11. bxa5 Rxa5 12. Bb4 Ra8 13. a4 Bh6 14. Ne1 f5 15. Nd3 Nf6 16. f3 c5 17. dxc6 Nxc6 18. Kh1 Be6 19. Ba3 Bxc4 20. exf5 gxf5 21. Nb4 Bxe2 22. Nxe2 Nxb4 23. Bxb4 Ra6 24. Ng3 Qd7 25. Qd3 Ne8 26. Qd5+ Kh8 27. a5 Bf4 28. Ne2 Nf6 29. Qd1 Nh5 30. Bc3 Qe7 31. Qe1 Rg8 32. Nxf4 Nxf4 33. g3 Nd5 34. f4 Nxc3 35. Qxc3 Qe6 36. fxe5 dxe5 37. Qf3 f4 38. gxf4 e4 39. Qc3+ Qf6 40. Qxf6+ Rxf6 41. Ra4 Re8 42. Kg2 Rg6+ 43. Kf2 Rh6 44. Re1 Rxh2+ 45. Kg3 Rb2 46. Raxe4 Rxe4 47. Rxe4 Rb5 48. Re7 Rxa5 49. Rxb7 h5 1/2-1/2

[Event "PER-ch"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Pizzardo, Salvador"]
[Site "Lima"]
[Round "6"]
[Result "1-0"]
[Date "2015.05.02"]
[ECO "C02"]
[WhiteElo "2262"]
[BlackElo "2049"]
[PlyCount "80"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Nh6 7. dxc5 Bxc5 8. 0-0 Ng4 9. Qe2 0-0 10. b4 Bxf2+ 11. Rxf2 f6 12. h3 Qxf2+ 13. Qxf2 Nxf2 14. Kxf2 fxe5 15. b5 Na5 16. Ba3 Rf7 17. Bb4 b6 18. Bxa5 bxa5 19. Ke3 e4 20. Ne5 exd3 21. Nxf7 Kxf7 22. Nd2 Rb8 23. a4 Bb7 24. Nf3 Kf6 25. Kd4 d2 26. Rd1 e5+ 27. Nxe5 Re8 28. Nd7+ Kg5 29. Nc5 Bc8 30. Rxd2 Kh4 31. Rf2 Re7 32. Rf8 Bxh3 33. gxh3 Kxh3 34. Kxd5 h5 35. Ne4 Kg4 36. c4 h4 37. c5 g5 38. c6 h3 39. Nf2+ Kg3 40. Nxh3 Kxh3 1-0

[Event "PER-ch"]
[White "Rojas Salas, Steven Javier"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "5"]
[Result "0-1"]
[Date "2015.05.02"]
[ECO "C45"]
[WhiteElo "1742"]
[BlackElo "2262"]
[PlyCount "124"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. e5 Ng4 8. 0-0 Bc5 9. Qe2 Qh4 10. h3 Nh6 11. Qf3 0-0 12. Be3 Bb6 13. Qf4 Qxf4 14. Bxf4 Nf5 15. Nd2 f6 16. exf6 Rxf6 17. c4 Ba6 18. b4 Nd6 19. Bxd6 cxd6 20. b5 Bb7 21. cxd5 cxb5 22. Bxb5 Bxd5 23. Bc4 Bxc4 24. Nxc4 Bc5 25. Nd2 Re8 26. Nf3 Re2 27. a4 Rf4 28. a5 h6 29. a6 Rb4 30. Ne1 Rd4 31. Nf3 Rc4 32. Ne1 Rc3 33. Rd1 Ra3 34. Nd3 Rxa6 35. Nxc5 dxc5 36. Rfe1 Rxe1+ 37. Rxe1 Rc6 38. Ra1 a6 39. Kf1 c4 40. Ke2 c3 41. Rc1 c2 42. Kd3 Kf7 43. Rxc2 Rxc2 44. Kxc2 Ke6 45. Kc3 Ke5 46. Kc4 Ke4 47. Kc3 a5 48. Kc4 a4 49. Kb4 Kd3 50. g4 Ke2 51. f4 Kf3 52. g5 hxg5 53. fxg5 Kg3 54. Kxa4 Kxh3 55. Kb5 Kg4 56. g6 Kf5 57. Kc4 Kxg6 58. Kd4 Kf5 59. Ke3 Kg4 60. Kf2 Kh3 61. Kg1 Kg3 62. Kh1 g5 0-1

[Event "PER-ch"]
[White "Celis Sanchez, Carlos"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "3"]
[Result "1-0"]
[Date "2015.05.01"]
[ECO "B01"]
[WhiteElo "2070"]
[BlackElo "2262"]
[PlyCount "84"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Ne5 e6 9. Nxg6 hxg6 10. Bg2 c6 11. 0-0 Nbd7 12. g5 Nd5 13. Ne4 Be7 14. c4 N5b6 15. b3 f5 16. gxf6 gxf6 17. a4 a6 18. Ba3 Bxa3 19. Rxa3 Qb4 20. Ra1 Rd8 21. Qf3 Qe7 22. Qg3 Nf8 23. Rad1 Nc8 24. Qf4 f5 25. Qe5 Rh4 26. Nc5 Nd6 27. Rfe1 Nf7 28. Qe3 Rd6 29. f4 g5 30. Rf1 Rxf4 31. Rxf4 gxf4 32. Qxf4 Kd8 33. Re1 b6 34. Nxa6 Qg5 35. Qf2 Ng6 36. Kh2 Nf4 37. Bf1 Ng6 38. c5 bxc5 39. Nxc5 Ke7 40. a5 e5 41. a6 Kf8 42. a7 Rd8 1-0

[Event "PER-ch"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Arroyo Valenzuela, Luigi"]
[Site "Lima"]
[Round "4"]
[Result "1-0"]
[Date "2015.05.01"]
[ECO "B03"]
[WhiteElo "2262"]
[BlackElo "1584"]
[PlyCount "61"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 c5 7. d5 g6 8. Nf3 Bg7 9. Bd3 N8d7 10. Qe2 0-0 11. 0-0 f6 12. e6 Ne5 13. Nxe5 fxe5 14. Rxf8+ Qxf8 15. Nc3 Bxe6 16. dxe6 Qf6 17. Be4 Rb8 18. Be3 Kh8 19. Bxc5 Qxe6 20. b3 Rc8 21. Be3 Rc7 22. h3 Nd7 23. Rd1 b6 24. Qg4 Qxg4 25. hxg4 Kg8 26. Nb5 Nf6 27. Nxc7 Nxe4 28. Ne6 Nd6 29. Nxg7 Kxg7 30. c5 bxc5 31. Bxc5 1-0

[Event "PER-ch"]
[White "Delgado Romero, Marco"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "1"]
[Result "0-1"]
[Date "2015.04.30"]
[ECO "D37"]
[WhiteElo "1698"]
[BlackElo "2262"]
[PlyCount "150"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 0-0 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 a6 9. 0-0 b5 10. Bd3 c5 11. Rc1 Bb7 12. Bg3 Qb6 13. Re1 Bxf3 14. Qxf3 cxd4 15. exd4 Qxd4 16. a3 Qg4 17. Be2 Qxf3 18. Bxf3 Ra7 19. b4 Nb6 20. Red1 Nc4 21. Nb1 a5 22. Bc6 axb4 23. axb4 Bxb4 24. Bxb5 Nb6 25. h3 Ne4 26. Be5 Ra5 27. Rd4 Rxb5 28. Rxe4 Rc8 29. Rxc8+ Nxc8 30. Nc3 Bxc3 31. Bxc3 Rc5 32. Bb4 Rc1+ 33. Re1 Rc4 34. Ba3 Rd4 35. Rc1 Rd8 36. Bc5 h6 37. f3 Rd7 38. Kf2 Rc7 39. Ba3 Rxc1 40. Bxc1 f6 41. Ke3 Kf7 42. Kd4 e5+ 43. Kc5 Ke6 44. g4 g5 45. Kc4 Ne7 46. Kd3 Kd5 47. Ba3 Ng6 48. Ke3 Nf4 49. Bf8 h5 50. Be7 Ke6 51. Bd8 h4 52. Ba5 Nxh3 53. Be1 Nf4 54. Bf2 Kd5 55. Bg1 Ne6 56. Bf2 Nc5 57. Be1 Nb7 58. Bb4 Nd6 59. Kf2 e4 60. Bc3 exf3 61. Kxf3 Ke6 62. Kg2 Nc4 63. Kh3 Ne3 64. Bd4 Nc4 65. Bc3 Ne5 66. Ba5 Nf7 67. Bc3 Nh6 68. Bd2 Ng8 69. Bc1 Ne7 70. Kg2 Ng6 71. Kh3 Nf4+ 72. Bxf4 gxf4 73. Kxh4 Ke5 74. Kh3 Ke4 75. Kg2 f3+ 0-1

[Event "PER-ch"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Risco Alarcon, Julio"]
[Site "Lima"]
[Round "2"]
[Result "1/2-1/2"]
[Date "2015.04.30"]
[ECO "C15"]
[WhiteElo "2262"]
[BlackElo "1921"]
[PlyCount "88"]
[EventDate "2015.04.30"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "PER"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 dxe4 5. Qg4 Nf6 6. Qxg7 Rg8 7. Qh6 Qxd4 8. Nge2 Qe5 9. h3 Rg6 10. Qf4 Nc6 11. Qxe5 Nxe5 12. Nxe4 Bxd2+ 13. Nxd2 Bd7 14. Nd4 0-0-0 15. N2f3 Nxf3+ 16. Nxf3 Be8 17. Rg1 Rd5 18. Rd1 Rc5 19. c3 e5 20. Nd2 Bc6 21. g3 Ne4 22. Bg2 Nxd2 23. Bxc6 Rcxc6 24. Rxd2 Rgd6 25. Re2 Ra6 26. a3 Rab6 27. Kf1 Rd1+ 28. Kg2 Rxg1+ 29. Kxg1 f6 30. f4 exf4 31. gxf4 Kd7 32. Kf2 Re6 33. Rd2+ Ke7 34. Rd4 Rb6 35. Rd2 Rd6 36. Re2+ Re6 37. Rd2 Rd6 38. Rxd6 Kxd6 39. Ke3 Kd5 40. Kd3 b5 41. b3 f5 42. c4+ bxc4+ 43. bxc4+ Kd6 44. Kd4 c5+ 1/2-1/2

[Event "Bogota McGregor op 4th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Gomez Ledo, Roberto Carlos"]
[Site "Bogota"]
[Round "9"]
[Result "0-1"]
[Date "2013.12.08"]
[ECO "C41"]
[WhiteElo "2302"]
[BlackElo "2424"]
[PlyCount "22"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. g4 Nb6 7. Bb3 exd4 8. Nxd4 Bxg4 9. f3 Bh3 10. Be3 c5 11. Nde2 c4 0-1

[Event "Bogota McGregor op 4th"]
[White "Ordonez Gonzalez, Gabriel"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Bogota"]
[Round "6"]
[Result "0-1"]
[Date "2013.12.07"]
[ECO "A34"]
[WhiteElo "1889"]
[BlackElo "2302"]
[PlyCount "96"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d5 6. cxd5 Nxd5 7. 0-0 c5 8. Nxd5 Qxd5 9. Qc2 Nc6 10. a3 b6 11. d3 Bb7 12. Be3 Rac8 13. Rac1 Na5 14. Nh4 Qa2 15. Bxb7 Nxb7 16. Rb1 c4 17. Rfc1 Nd6 18. Nf3 cxd3 19. Qxd3 Bxb2 20. Rd1 Qxa3 21. Qxa3 Bxa3 22. Ra1 Nc4 23. Rd3 Nxe3 24. fxe3 Rc1+ 25. Rxc1 Bxc1 26. Kf2 a5 27. Rb3 Ra8 28. Rb1 Ba3 29. Rxb6 Bd6 30. Ne1 a4 31. Rb2 a3 32. Ra2 f6 33. Nd3 Kf7 34. h3 Ra4 35. Kf3 f5 36. g4 Ke6 37. Nf2 fxg4+ 38. hxg4 h5 39. gxh5 gxh5 40. e4 Ra8 41. Nd3 Be5 42. Nf4+ Bxf4 43. Kxf4 Kd6 44. e5+ Kc5 45. Kf5 Ra6 46. Rc2+ Kb4 47. Rc7 a2 48. Rxe7 a1Q 0-1

[Event "Bogota McGregor op 4th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Zabala, Fidel"]
[Site "Bogota"]
[Round "7"]
[Result "1-0"]
[Date "2013.12.07"]
[ECO "B01"]
[WhiteElo "2302"]
[BlackElo "1992"]
[PlyCount "77"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. dxe6 Bxe6 5. d4 Bb4+ 6. Nc3 Qe7 7. Be3 Nc6 8. Nf3 0-0-0 9. Be2 Ng4 10. Qc1 Nxe3 11. fxe3 Bg4 12. Kf2 Rhe8 13. a3 Bxc3 14. Qxc3 Qf6 15. Rhf1 Qh6 16. h3 Bf5 17. Rae1 Rd6 18. Bd3 Be4 19. Bxe4 Rxe4 20. d5 Ne7 21. Nd2 Rh4 22. e4 Rg6 23. Nf3 Rf4 24. Qe5 Kd7 25. g3 Rff6 26. Kg2 Rb6 27. b4 f6 28. Qc3 f5 29. Ne5+ Kd8 30. Nf7+ Ke8 31. Nxh6 f4 32. Rxf4 gxh6 33. Qh8+ Rg8 34. Qxh7 Rbg6 35. Qf7+ Kd8 36. Rg4 Rxg4 37. hxg4 Rxg4 38. Qe6 Rg6 39. Qh3 1-0

[Event "Bogota McGregor op 4th"]
[White "Castaneda, Victor"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Bogota"]
[Round "4"]
[Result "0-1"]
[Date "2013.12.06"]
[ECO "E63"]
[WhiteElo "1907"]
[BlackElo "2302"]
[PlyCount "68"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 Nc6 7. 0-0 a6 8. b3 Rb8 9. Qd3 b5 10. cxb5 axb5 11. Bb2 Bf5 12. e4 Nxe4 13. Nxe4 d5 14. Qc3 dxe4 15. Qxc6 exf3 16. Bxf3 Bxd4 17. Bxd4 Qxd4 18. Rfd1 Qb6 19. Rdc1 Rfc8 20. a4 bxa4 21. bxa4 Bd3 22. a5 Qxc6 23. Bxc6 Bb5 24. a6 Bxc6 25. Rxc6 Ra8 26. Kf1 Kf8 27. Ke2 Ke8 28. Ke3 Kd7 29. Rac1 Ra7 30. Kd4 Rca8 31. h3 Rb8 32. Kc5 Rb2 33. Rd1+ Kc8 34. f4 Rc2+ 0-1

[Event "Bogota McGregor op 4th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Pineda Arevalo, Jose Ariel"]
[Site "Bogota"]
[Round "5"]
[Result "1-0"]
[Date "2013.12.06"]
[ECO "D85"]
[WhiteElo "2302"]
[BlackElo "2038"]
[PlyCount "77"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ba3 b6 9. Ne2 Bb7 10. f3 Re8 11. 0-0 Nc6 12. Bb5 a6 13. Bxc6 Bxc6 14. Qd3 Qd7 15. Rab1 Rad8 16. Rbd1 Ba4 17. Rd2 Bh6 18. f4 Bb5 19. c4 Bc6 20. d5 e6 21. Bb2 Bg7 22. Bxg7 Kxg7 23. Qd4+ Kg8 24. dxc6 Qxc6 25. Qxd8 Rxd8 26. Rxd8+ Kg7 27. Ng3 Qxc4 28. f5 exf5 29. exf5 Qxa2 30. f6+ Kh6 31. Rd4 g5 32. h4 Qe6 33. hxg5+ Kg6 34. Rd8 h6 35. Rg8+ Kh7 36. Rg7+ Kh8 37. Rd1 Qe8 38. Kf2 c5 39. Rh1 1-0

[Event "Bogota McGregor op 4th"]
[White "Caro Bermudes, Erick"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Bogota"]
[Round "2"]
[Result "1-0"]
[Date "2013.12.05"]
[ECO "C77"]
[WhiteElo "2200"]
[BlackElo "2302"]
[PlyCount "77"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 0-0 8. Nc3 d6 9. a3 Bg4 10. Ne2 d5 11. h3 Bxf3 12. gxf3 Na5 13. Ba2 c6 14. Ng3 g6 15. Qe1 Nb7 16. b4 Re8 17. Bb2 Bf8 18. Rd1 a5 19. Bb3 Bg7 20. Qc3 Qb6 21. Rfe1 Rac8 22. Qd2 Rcd8 23. Qc1 c5 24. exd5 Nxd5 25. Bxd5 Rxd5 26. bxc5 Nxc5 27. d4 Na4 28. Ba1 Qc6 29. dxe5 Nb6 30. f4 Red8 31. Rxd5 Qxd5 32. f5 Re8 33. e6 fxe6 34. f6 Bf8 35. Ne4 Rc8 36. Ng5 Rc7 37. Nxe6 Rc5 38. Re5 Qc6 39. f7+ 1-0

[Event "Bogota McGregor op 4th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Almeida Quintana, Omar"]
[Site "Bogota"]
[Round "1"]
[Result "0-1"]
[Date "2013.12.05"]
[ECO "B06"]
[WhiteElo "2302"]
[BlackElo "2489"]
[PlyCount "120"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. f4 Nf6 5. e5 Nd5 6. Nf3 0-0 7. Bc4 Nb6 8. Bb3 a5 9. a4 Na6 10. Be3 c6 11. 0-0 Nd5 12. Bxd5 cxd5 13. Qb3 Nc7 14. Na3 f6 15. Nb5 Be6 16. exd6 exd6 17. f5 Bxf5 18. Bf4 Ra6 19. Nxc7 Qxc7 20. Qxd5+ Qf7 21. Qxf7+ Kxf7 22. d5 Rb6 23. Nd4 Bd7 24. c4 Rxb2 25. Bxd6 Re8 26. Rab1 f5 27. Nf3 Ree2 28. Ba3 Rxg2+ 29. Kh1 Rxb1 30. Rxb1 Ra2 31. Rxb7 Rxa3 32. Rxd7+ Kf6 33. Ng5 Kxg5 34. Rxg7 Rxa4 35. c5 Rc4 36. c6 Kf6 37. Rxh7 Ke5 38. Ra7 Kxd5 39. Rxa5+ Ke4 40. Ra6 g5 41. c7 Rxc7 42. Ra4+ Kf3 43. Ra3+ Kg4 44. Rg3+ Kf4 45. Kg2 Rc2+ 46. Kg1 g4 47. Rb3 Re2 48. Ra3 Re3 49. Ra1 Kf3 50. Rf1+ Ke4 51. Ra1 f4 52. Kf2 Rf3+ 53. Kg2 Rc3 54. Re1+ Kd3 55. Re7 Rc2+ 56. Kg1 f3 57. Re8 Rg2+ 58. Kh1 Re2 59. Rd8+ Ke3 60. Rd1 Kf2 0-1

[Event "Bogota McGregor op 4th"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Obando Guzman, Soren Federico"]
[Site "Bogota"]
[Round "3"]
[Result "1-0"]
[Date "2013.12.05"]
[ECO "B21"]
[WhiteElo "2302"]
[BlackElo "1751"]
[PlyCount "57"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 a6 6. Bc4 b5 7. Bb3 Bb7 8. a3 d6 9. 0-0 Nf6 10. Qe2 Nbd7 11. Rd1 Qb8 12. Nd4 Nc5 13. Ba2 Be7 14. f3 0-0 15. g4 Rc8 16. Be3 Nfd7 17. Rac1 Nb6 18. b4 Nca4 19. Nxa4 Nxa4 20. Nxe6 Nc3 21. Rxc3 Rxc3 22. Bd4 Rc4 23. Bxc4 bxc4 24. Nxg7 Qc7 25. Qe3 d5 26. Nf5 Kf8 27. exd5 Bxd5 28. Nxe7 Qxe7 29. Bc5 1-0

[Event "Lima 1st"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Gemy Vargas, Jose Daniel"]
[Site "Lima"]
[Round "9"]
[Result "1/2-1/2"]
[Date "2013.12.02"]
[ECO "D15"]
[WhiteElo "2302"]
[BlackElo "2329"]
[PlyCount "29"]
[EventDate "2013.11.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "PER"]
[EventCategory "2"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. a4 e6 6. Bg5 a5 7. e3 Na6 8. cxd5 exd5 9. Bxa6 Rxa6 10. 0-0 Be7 11. Ne5 0-0 12. Nd3 Nd7 13. Bxe7 Qxe7 14. Qd2 Ra7 15. Rfe1 1/2-1/2

[Event "Lima 1st"]
[White "Mendoza, Rodrigo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "8"]
[Result "1/2-1/2"]
[Date "2013.12.01"]
[ECO "A26"]
[WhiteElo "2198"]
[BlackElo "2302"]
[PlyCount "102"]
[EventDate "2013.11.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "PER"]
[EventCategory "2"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. d3 e5 8. Bd2 h6 9. Rb1 a5 10. a3 Be6 11. b4 axb4 12. axb4 e4 13. Ne1 exd3 14. exd3 d5 15. c5 d4 16. Ne4 Nxe4 17. Bxe4 Bd5 18. b5 Ne7 19. Qc1 Kh7 20. h4 f5 21. Bf3 f4 22. b6 Bxf3 23. Nxf3 Qd5 24. Bxf4 Qxf3 25. bxc7 Nd5 26. Bd6 Nc3 27. Rb2 Ne2+ 28. Rxe2 Qxe2 29. Bxf8 Rxf8 30. c6 bxc6 31. Qxc6 Qe8 32. Rc1 Qxc6 33. Rxc6 Rc8 34. f4 Kg8 35. Kf2 Kf7 36. Kf3 Bf8 37. Ke4 Ke7 38. Kxd4 Kd7 39. Rxg6 Rxc7 40. g4 Ke8 41. f5 Rc1 42. Kd5 Kf7 43. Ke4 Rh1 44. h5 Rg1 45. d4 Be7 46. Rxh6 Rxg4+ 47. Ke5 Bf8 48. Rf6+ Ke8 49. Re6+ Kf7 50. Rf6+ Ke7 51. Re6+ Kf7 1/2-1/2

[Event "Lima 1st"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Movsziszian, Karen"]
[Site "Lima"]
[Round "7"]
[Result "0-1"]
[Date "2013.12.01"]
[ECO "B06"]
[WhiteElo "2302"]
[BlackElo "2510"]
[PlyCount "84"]
[EventDate "2013.11.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "PER"]
[EventCategory "2"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. f4 Nf6 5. e5 Nd5 6. Bc4 c6 7. Nf3 0-0 8. 0-0 a5 9. a4 Na6 10. Qe1 Nac7 11. Qh4 f6 12. Nbd2 Be6 13. Ne4 Qd7 14. Bd2 Nxf4 15. exf6 exf6 16. Bxe6+ Nfxe6 17. Qg3 Rad8 18. Qf2 f5 19. Neg5 Nxg5 20. Bxg5 Rde8 21. Rae1 Nd5 22. Rxe8 Rxe8 23. Re1 h6 24. Bc1 Nf6 25. Rxe8+ Qxe8 26. Qe1 Ne4 27. Nd2 d5 28. Qd1 g5 29. Nf1 Kh7 30. Qb3 Qf7 31. Qb6 f4 32. Qxa5 f3 33. gxf3 Qxf3 34. Be3 h5 35. Qc7 h4 36. h3 Ng3 37. Nxg3 Qxe3+ 38. Kg2 Qxg3+ 39. Qxg3 hxg3 40. Kxg3 Kg6 41. Kg4 Bf6 42. a5 Bd8 0-1

[Event "Lima 1st"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Site "Lima"]
[Round "6"]
[Result "1-0"]
[Date "2013.11.30"]
[ECO "B70"]
[WhiteElo "2301"]
[BlackElo "2302"]
[PlyCount "102"]
[EventDate "2013.11.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "PER"]
[EventCategory "2"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Bb5+ Bd7 8. Qd2 0-0 9. Bxd7 Nbxd7 10. 0-0-0 Rc8 11. f4 Rxc3 12. Bxf6 Nxf6 13. Qxc3 Nxe4 14. Qe3 d5 15. Rhe1 e6 16. Kb1 Qf6 17. c3 Rc8 18. g3 a6 19. Rc1 b5 20. a3 Qe7 21. Qd3 Qb7 22. g4 Rb8 23. f5 exf5 24. gxf5 a5 25. Nc2 Bh6 26. Rcd1 Nf6 27. h4 Rd8 28. Qf3 Bg7 29. Rd4 Qc8 30. Qd3 Qb7 31. Qf3 Qb6 32. Ne3 Re8 33. fxg6 hxg6 34. Rf1 Re7 35. Nc2 Re5 36. Qd1 Qc6 37. Rdf4 Re7 38. Nd4 Qb6 39. Nc2 Nh5 40. R4f3 Rd7 41. Qe1 Qd8 42. Re3 Kh7 43. Ref3 f5 44. Re3 b4 45. cxb4 axb4 46. Nxb4 Rb7 47. Re8 Qa5 48. Re7 Rb5 49. Qe3 Qd8 50. Rd1 Qf8 51. Nxd5 Kh8 1-0

