[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.27"]
[Round "7"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Raimundo, Airton Carlos Nunes"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2184"]
[BlackElo "1975"]
[PlyCount "101"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Be7 7. Nf4 b6 8. g4 c6 9. g5 Ne4 10. Nxe4 dxe4 11. h4 e5 12. dxe5 Qxd1+ 13. Kxd1 Nd7 14. Bg2 Nxe5 15. Bxe4 Bg4+ 16. Kc2 Nxc4 17. Rg1 Bd7 18. b3 Nd6 19. Bd3 Bf5 20. Bb2 Bxd3+ 21. Kxd3 Rad8 22. Ke2 Ne4 23. Rad1 Rxd1 24. Rxd1 Rd8 25. Rxd8+ Bxd8 26. f3 Ng3+ 27. Kd3 Nf5 28. Ng2 Bc7 29. e4 Ne7 30. f4 g6 31. Ke3 h5 32. Bf6 Kf8 33. f5 Ke8 34. Nf4 Bxf4+ 35. Kxf4 Kd7 36. Ke5 Nc8 37. Bg7 Ke7 38. b4 b5 39. Kf4 Nd6 40. Bd4 Nc4 41. Bxa7 Nxa3 42. Bc5+ Kd7 43. Ke5 Nc4+ 44. Kf6 Ke8 45. fxg6 fxg6 46. Kxg6 Nd2 47. Kxh5 Nxe4 48. Bd4 Kf7 49. g6+ Kg8 50. Kg4 Nd6 51. h5 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.27"]
[Round "7"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Raimundo, Airton Carlos Nunes"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2184"]
[BlackElo "1975"]
[PlyCount "101"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Be7 7. Nf4 b6 8. g4 c6 9. g5 Ne4 10. Nxe4 dxe4 11. h4 e5 12. dxe5 Qxd1+ 13. Kxd1 Nd7 14. Bg2 Nxe5 15. Bxe4 Bg4+ 16. Kc2 Nxc4 17. Rg1 Bd7 18. b3 Nd6 19. Bd3 Bf5 20. Bb2 Bxd3+ 21. Kxd3 Rad8 22. Ke2 Ne4 23. Rad1 Rxd1 24. Rxd1 Rd8 25. Rxd8+ Bxd8 26. f3 Ng3+ 27. Kd3 Nf5 28. Ng2 Bc7 29. e4 Ne7 30. f4 g6 31. Ke3 h5 32. Bf6 Kf8 33. f5 Ke8 34. Nf4 Bxf4+ 35. Kxf4 Kd7 36. Ke5 Nc8 37. Bg7 Ke7 38. b4 b5 39. Kf4 Nd6 40. Bd4 Nc4 41. Bxa7 Nxa3 42. Bc5+ Kd7 43. Ke5 Nc4+ 44. Kf6 Ke8 45. fxg6 fxg6 46. Kxg6 Nd2 47. Kxh5 Nxe4 48. Bd4 Kf7 49. g6+ Kg8 50. Kg4 Nd6 51. h5 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.26"]
[Round "5"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Montevilla Cahuasa, Jonathan Isaac"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2184"]
[BlackElo "2022"]
[PlyCount "72"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d6 8. exd6 Qxd6 9. Na3 a6 10. 0-0 e6 11. cxd4 Be7 12. Be3 Bf6 13. Qe2 0-0 14. Rad1 Nb4 15. Ne5 N4d5 16. Nac4 Nxc4 17. Nxc4 Qd8 18. Ne5 b6 19. f4 g6 20. g4 Bb7 21. Bc1 Rc8 22. f5 exf5 23. gxf5 Rxc1 24. Rxc1 Bg5 25. Rc3 Nf4 26. Qf2 Bh6 27. h4 g5 28. Ng4 Bg7 29. Ne5 Ne2+ 30. Qxe2 Qxd4+ 31. Rf2 Bxe5 32. Rd3 Qxh4 33. Bd5 Bxd5 34. Rxd5 Bd4 35. Rxd4 Qxd4 36. f6 Rc8 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.26"]
[Round "5"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Montevilla Cahuasa, Jonathan Isaac"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2184"]
[BlackElo "2022"]
[PlyCount "72"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d6 8. exd6 Qxd6 9. Na3 a6 10. 0-0 e6 11. cxd4 Be7 12. Be3 Bf6 13. Qe2 0-0 14. Rad1 Nb4 15. Ne5 N4d5 16. Nac4 Nxc4 17. Nxc4 Qd8 18. Ne5 b6 19. f4 g6 20. g4 Bb7 21. Bc1 Rc8 22. f5 exf5 23. gxf5 Rxc1 24. Rxc1 Bg5 25. Rc3 Nf4 26. Qf2 Bh6 27. h4 g5 28. Ng4 Bg7 29. Ne5 Ne2+ 30. Qxe2 Qxd4+ 31. Rf2 Bxe5 32. Rd3 Qxh4 33. Bd5 Bxd5 34. Rxd5 Bd4 35. Rxd4 Qxd4 36. f6 Rc8 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.26"]
[Round "6"]
[White "Silva, Adriano Da"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1924"]
[BlackElo "2184"]
[PlyCount "80"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 Be7 7. Nf3 Nc6 8. 0-0 0-0 9. b3 f5 10. Bb2 Bf6 11. Qd2 Nd4 12. Ne1 f4 13. Ne4 c6 14. e3 Ne6 15. exf4 exf4 16. Nxf6+ gxf6 17. Nf3 Nd5 18. b4 Qd6 19. a3 Bd7 20. Rfe1 Rf7 21. Re2 Rg7 22. Kh1 Rf8 23. Rae1 Ng5 24. Nxg5 Rxg5 25. Qc1 Bg4 26. Re8 Rh5 27. Qc4 Rxe8 28. Rxe8+ Kf7 29. Re1 fxg3 30. fxg3 Qxg3 31. Bxd5+ cxd5 32. Qxd5+ Rxd5 33. hxg3 Rxd3 34. Rf1 f5 35. Kg2 Ke6 36. Rf2 Kd5 37. Rc2 Bf3+ 38. Kf2 Be4 39. Rc5+ Ke6 40. Be5 b6 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.26"]
[Round "6"]
[White "Silva, Adriano Da"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1924"]
[BlackElo "2184"]
[PlyCount "80"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 Be7 7. Nf3 Nc6 8. 0-0 0-0 9. b3 f5 10. Bb2 Bf6 11. Qd2 Nd4 12. Ne1 f4 13. Ne4 c6 14. e3 Ne6 15. exf4 exf4 16. Nxf6+ gxf6 17. Nf3 Nd5 18. b4 Qd6 19. a3 Bd7 20. Rfe1 Rf7 21. Re2 Rg7 22. Kh1 Rf8 23. Rae1 Ng5 24. Nxg5 Rxg5 25. Qc1 Bg4 26. Re8 Rh5 27. Qc4 Rxe8 28. Rxe8+ Kf7 29. Re1 fxg3 30. fxg3 Qxg3 31. Bxd5+ cxd5 32. Qxd5+ Rxd5 33. hxg3 Rxd3 34. Rf1 f5 35. Kg2 Ke6 36. Rf2 Kd5 37. Rc2 Bf3+ 38. Kf2 Be4 39. Rc5+ Ke6 40. Be5 b6 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.25"]
[Round "4"]
[White "Morales Flores, Monserrat"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1919"]
[BlackElo "2184"]
[PlyCount "94"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 0-0 6. Nbd2 d5 7. Bb3 Re8 8. h3 Bf8 9. 0-0 Na5 10. Ba4 c6 11. Re1 b5 12. Bc2 c5 13. d4 Bb7 14. dxe5 Nxe4 15. Qe2 f5 16. Nf1 Nc4 17. Ne3 Qd7 18. Nxc4 bxc4 19. Bf4 h6 20. h4 Qe6 21. Nd2 Be7 22. Nxe4 fxe4 23. Bg3 Rf8 24. Rad1 Bd8 25. Qe3 Bb6 26. Kh2 Rad8 27. Qe2 Bc7 28. f4 g5 29. hxg5 hxg5 30. Qh5 Rf5 31. fxg5 Rd7 32. Kg1 Rh7 33. Qe2 Rxg5 34. Bh2 Bxe5 35. Bxe5 Rxe5 36. Rf1 Reh5 37. Rf3 Qg6 38. Kf1 Rh1+ 39. Kf2 exf3 40. Bxg6 fxe2 41. Bxh7+ Rxh7 42. Kxe2 Rf7 43. Rh1 d4 44. cxd4 cxd4 45. Rh6 d3+ 46. Kd2 Rf2+ 47. Kc3 Bxg2 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.25"]
[Round "4"]
[White "Morales Flores, Monserrat"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1919"]
[BlackElo "2184"]
[PlyCount "94"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 0-0 6. Nbd2 d5 7. Bb3 Re8 8. h3 Bf8 9. 0-0 Na5 10. Ba4 c6 11. Re1 b5 12. Bc2 c5 13. d4 Bb7 14. dxe5 Nxe4 15. Qe2 f5 16. Nf1 Nc4 17. Ne3 Qd7 18. Nxc4 bxc4 19. Bf4 h6 20. h4 Qe6 21. Nd2 Be7 22. Nxe4 fxe4 23. Bg3 Rf8 24. Rad1 Bd8 25. Qe3 Bb6 26. Kh2 Rad8 27. Qe2 Bc7 28. f4 g5 29. hxg5 hxg5 30. Qh5 Rf5 31. fxg5 Rd7 32. Kg1 Rh7 33. Qe2 Rxg5 34. Bh2 Bxe5 35. Bxe5 Rxe5 36. Rf1 Reh5 37. Rf3 Qg6 38. Kf1 Rh1+ 39. Kf2 exf3 40. Bxg6 fxe2 41. Bxh7+ Rxh7 42. Kxe2 Rf7 43. Rh1 d4 44. cxd4 cxd4 45. Rh6 d3+ 46. Kd2 Rf2+ 47. Kc3 Bxg2 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.24"]
[Round "2"]
[White "Quintiliano Pinto, Renato Rodrigues"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2511"]
[BlackElo "2184"]
[PlyCount "73"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. Nf3 0-0 8. a4 axb5 9. Bxb5 Na6 10. 0-0 d6 11. e4 Nb4 12. Rb1 Ne8 13. Bf4 Nc7 14. Bc4 Bg4 15. h3 Bxf3 16. Qxf3 Nc2 17. Qd3 Nd4 18. b4 e5 19. Bd2 Ne8 20. b5 Qb6 21. Ra1 f5 22. a5 Rxa5 23. Na4 Rxa4 24. Rxa4 Nf6 25. exf5 e4 26. Qa3 Nd7 27. Ra6 Qb8 28. Bf4 Be5 29. Bh6 Re8 30. fxg6 Nb6 31. gxh7+ Kxh7 32. Rxb6 Qxb6 33. Bg5 Kg6 34. h4 Nxb5 35. Qa4 Nc7 36. Qd7 Qb8 37. f4 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.24"]
[Round "2"]
[White "Quintiliano Pinto, Renato Rodrigues"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2511"]
[BlackElo "2184"]
[PlyCount "73"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. Nf3 0-0 8. a4 axb5 9. Bxb5 Na6 10. 0-0 d6 11. e4 Nb4 12. Rb1 Ne8 13. Bf4 Nc7 14. Bc4 Bg4 15. h3 Bxf3 16. Qxf3 Nc2 17. Qd3 Nd4 18. b4 e5 19. Bd2 Ne8 20. b5 Qb6 21. Ra1 f5 22. a5 Rxa5 23. Na4 Rxa4 24. Rxa4 Nf6 25. exf5 e4 26. Qa3 Nd7 27. Ra6 Qb8 28. Bf4 Be5 29. Bh6 Re8 30. fxg6 Nb6 31. gxh7+ Kxh7 32. Rxb6 Qxb6 33. Bg5 Kg6 34. h4 Nxb5 35. Qa4 Nc7 36. Qd7 Qb8 37. f4 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.24"]
[Round "3"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Arias Diaz, Javier Alonso"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2184"]
[BlackElo "1962"]
[PlyCount "42"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. c4 a6 4. Nc3 dxc4 5. e3 b5 6. a4 b4 7. Nb1 Nf6 8. Bxc4 Bb7 9. 0-0 Nbd7 10. Nbd2 c5 11. b3 Bd6 12. Bb2 0-0 13. Qe2 cxd4 14. Nxd4 Nc5 15. Rfd1 Qe7 16. f3 Rfd8 17. Nf1 Rac8 18. Ng3 Qc7 19. Qf2 Bd5 20. Ndf5 Bxc4 21. Bxf6 Bxg3 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.24"]
[Round "3"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Arias Diaz, Javier Alonso"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2184"]
[BlackElo "1962"]
[PlyCount "42"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. c4 a6 4. Nc3 dxc4 5. e3 b5 6. a4 b4 7. Nb1 Nf6 8. Bxc4 Bb7 9. 0-0 Nbd7 10. Nbd2 c5 11. b3 Bd6 12. Bb2 0-0 13. Qe2 cxd4 14. Nxd4 Nc5 15. Rfd1 Qe7 16. f3 Rfd8 17. Nf1 Rac8 18. Ng3 Qc7 19. Qf2 Bd5 20. Ndf5 Bxc4 21. Bxf6 Bxg3 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.23"]
[Round "1"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Bucci, Andrea Vidigal"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "2184"]
[BlackElo "1791"]
[PlyCount "57"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. c4 c6 6. d4 Bb4+ 7. Nc3 Ne4 8. Bd3 Nxc3 9. bxc3 Bxc3+ 10. Kf2 Bxa1 11. Re1+ Be6 12. dxe6 Bxd4+ 13. Nxd4 Qxd4+ 14. Kf3 c5 15. Re4 Qc3 16. exf7+ Kd7 17. Qe2 Nc6 18. Bb2 Qa5 19. Bxg7 Rhf8 20. Rxf4 Qd8 21. Be4 Qg5 22. Bxc6+ bxc6 23. Qd3+ Kc7 24. Bxf8 Qh5+ 25. g4 Qh3+ 26. Ke4 Qxd3+ 27. Kxd3 Rxf8 28. Ke4 Kd6 29. Rf6+ 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.23"]
[Round "1"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Bucci, Andrea Vidigal"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "2184"]
[BlackElo "1791"]
[PlyCount "57"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. c4 c6 6. d4 Bb4+ 7. Nc3 Ne4 8. Bd3 Nxc3 9. bxc3 Bxc3+ 10. Kf2 Bxa1 11. Re1+ Be6 12. dxe6 Bxd4+ 13. Nxd4 Qxd4+ 14. Kf3 c5 15. Re4 Qc3 16. exf7+ Kd7 17. Qe2 Nc6 18. Bb2 Qa5 19. Bxg7 Rhf8 20. Rxf4 Qd8 21. Be4 Qg5 22. Bxc6+ bxc6 23. Qd3+ Kc7 24. Bxf8 Qh5+ 25. g4 Qh3+ 26. Ke4 Qxd3+ 27. Kxd3 Rxf8 28. Ke4 Kd6 29. Rf6+ 1-0

[Event "Cusco zt 2.4"]
[Site "Cusco"]
[Date "2025.02.02"]
[Round "9"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Montesinos Parisaca, Tupac Russell"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2232"]
[BlackElo "1976"]
[PlyCount "137"]
[EventDate "2025.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 d4 3. Nce2 g6 4. d3 Bg7 5. g3 e5 6. f4 Ne7 7. Nf3 Nbc6 8. Bg2 Bg4 9. 0-0 Qd7 10. Nxe5 Nxe5 11. fxe5 h6 12. Qe1 g5 13. Qf2 Nc6 14. h3 Be6 15. g4 Bxe5 16. Ng3 Bxg3 17. Qxg3 0-0-0 18. Bd2 Rdg8 19. b4 h5 20. b5 Nd8 21. b6 axb6 22. a4 Nc6 23. a5 bxa5 24. Bxa5 Qd6 25. Qxd6 cxd6 26. Bb6 hxg4 27. hxg4 Kd7 28. c3 dxc3 29. d4 Bc4 30. Rfc1 Ra8 31. Rab1 c2 32. Rb2 Bd3 33. Rb3 Ra6 34. d5 Ne5 35. Bd4 Bc4 36. Rxb7+ Kc8 37. Rb4 Bd3 38. Bxe5 dxe5 39. Rb3 Bc4 40. Rc3 Ra4 41. R1xc2 Ra1+ 42. Kf2 Kd7 43. Rxc4 Ra7 44. Rb2 Rh4 45. Rcb4 Kc7 46. Rb6 Ra3 47. Rb7+ Kd6 48. Rc2 Ra6 49. Rxf7 Rh6 50. Rfc7 Rf6+ 51. Ke2 Rf4 52. R2c6+ Rxc6 53. Rxc6+ Kd7 54. Bf3 Rf8 55. Re6 Ra8 56. Rxe5 Ra2+ 57. Ke3 Ra3+ 58. Kf2 Ra2+ 59. Kg3 Kc7 60. Re6 Kb7 61. e5 Ka8 62. d6+ Ka7 63. d7 Rb2 64. Re8 Rd2 65. Ra8+ Kb6 66. d8Q+ Kc5 67. Ra5+ Kb4 68. Qxd2+ Kb3 69. Bd5# 1-0

[Event "Cusco zt 2.4"]
[Site "Cusco"]
[Date "2025.02.01"]
[Round "8"]
[White "Alvarado Zamora, Albert"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2152"]
[BlackElo "2232"]
[PlyCount "35"]
[EventDate "2025.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d6 6. Bd3 Nc6 7. Ne2 Bd7 8. 0-0 h5 9. f4 h4 10. Nd2 Qh6 11. Nf3 0-0-0 12. d5 exd5 13. exd5 Ne7 14. Qb3 h3 15. g3 Nf5 16. Ned4 Ne3 17. Rae1 Nxf1 18. Ba6 1-0

[Event "Cusco zt 2.4"]
[Site "Cusco"]
[Date "2025.02.01"]
[Round "7"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Zapana Huarza, Fabricio Elvis"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2232"]
[BlackElo "1962"]
[PlyCount "145"]
[EventDate "2025.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. Be2 0-0 9. 0-0 Bg4 10. h3 Bxf3 11. Bxf3 e6 12. b4 Rc8 13. Qb3 Re8 14. Rab1 Bf8 15. a3 Bd6 16. Bg5 Kg7 17. Na4 h6 18. Bxf6+ Qxf6 19. Nc5 b6 20. Nd3 h5 21. Rfd1 Qh4 22. Rdc1 Rc7 23. Rb2 Rec8 24. Qd1 f5 25. Rbc2 Qe7 26. Nc5 Nd8 27. Be2 bxc5 28. bxc5 Bxc5 29. dxc5 Rb8 30. Qd4+ Qf6 31. Qa4 Nc6 32. Bb5 Ne5 33. c6 g5 34. Rc5 Nf7 35. Qa5 Rb6 36. a4 Nd6 37. Qb4 Rb8 38. R5c2 Qe7 39. Qd4+ Qf6 40. Qb4 Qe7 41. Qc5 Kf7 42. Be2 g4 43. a5 Ne4 44. Qd4 Qf6 45. Qd1 Rg8 46. hxg4 hxg4 47. Bd3 Qh4 48. Bxe4 fxe4 49. Qd4 Rh8 50. Kf1 Qf6 51. Qb4 g3 52. Kg1 Qh4 53. fxg3 Qh2+ 54. Kf2 Kg6 55. Qd6 Rf7+ 56. Ke1 Qg1+ 57. Kd2 Qf2+ 58. Kc3 Qxe3+ 59. Kb4 Qd4+ 60. Ka3 Rf6 61. c7 Rc8 62. Rc3 e3 63. Qd7 e2 64. Qxc8 Qxc3+ 65. Rxc3 e1Q 66. Qg8+ Kh6 67. Qh8+ Kg6 68. c8Q Qa1+ 69. Kb4 Qb2+ 70. Ka4 Qa1+ 71. Kb5 Qf1+ 72. Kc6 e5+ 73. Qxf6+ 1-0

[Event "Cusco zt 2.4"]
[Site "Cusco"]
[Date "2025.01.31"]
[Round "6"]
[White "Ramirez Sifuentes, Luis Angel"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2170"]
[BlackElo "2232"]
[PlyCount "172"]
[EventDate "2025.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 d6 3. Bb5+ Nd7 4. Ba4 Ngf6 5. 0-0 Nxe4 6. Re1 Nef6 7. d4 cxd4 8. Nxd4 a6 9. Nf5 e6 10. Nxd6+ Bxd6 11. Qxd6 Qe7 12. Qxe7+ Kxe7 13. c4 b5 14. cxb5 Nb6 15. Bc2 axb5 16. Be3 Nbd5 17. Bc5+ Kd7 18. Nd2 Bb7 19. Bd3 Nc7 20. Be2 Rhb8 21. Red1 Bd5 22. a3 Ra6 23. Bd4 Rb7 24. Bxf6 gxf6 25. Ne4 Rc6 26. Nxf6+ Kd6 27. Rac1 Rxc1 28. Rxc1 b4 29. Nxh7 bxa3 30. bxa3 Rb2 31. Bf1 Ra2 32. Nf6 Rxa3 33. h4 Ke7 34. Nxd5+ Nxd5 35. g3 Kf6 36. Bg2 Ne7 37. Be4 Ra4 38. Re1 Nf5 39. Kg2 Ra5 40. Rd1 Ra4 41. Bxf5 Kxf5 42. Rd7 Kg6 43. Re7 Rb4 44. Re8 Kg7 45. f3 Rb2+ 46. Kh3 Rb3 47. f4 Rb5 48. Re7 Kg6 49. Ra7 Rb1 50. Ra8 Kg7 51. Ra5 f5 52. Ra7+ Kg6 53. Re7 Re1 54. Kg2 Kf6 55. Re8 Kf7 56. Rh8 e5 57. Kf2 Re4 58. fxe5 Rxe5 59. Rh6 Re4 60. Rd6 Ra4 61. Kf3 Kg7 62. h5 Rb4 63. h6+ Kh7 64. Rf6 Ra4 65. Rxf5 Kxh6 66. Rf4 Ra6 67. Kg4 Kg6 68. Rb4 Rc6 69. Ra4 Rb6 70. Kh4 Rc6 71. Rg4+ Kh6 72. Rg8 Kh7 73. Ra8 Kg6 74. Ra7 Rb6 75. Ra4 Rc6 76. Rg4+ Kh6 77. Rg8 Kh7 78. Rg5 Kh6 79. Rh5+ Kg6 80. Rd5 Ra6 81. g4 Rb6 82. Rd4 Ra6 83. Rf4 Rb6 84. g5 Ra6 85. Rf6+ Rxf6 86. gxf6 Kxf6 1/2-1/2

[Event "Cusco zt 2.4"]
[Site "Cusco"]
[Date "2025.01.30"]
[Round "5"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Nunez Castaneda, Joaquin Alonso"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2232"]
[BlackElo "1495"]
[PlyCount "108"]
[EventDate "2025.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Nc6 5. d4 exd4 6. cxd4 Bb6 7. Bb5 Bd7 8. 0-0 Nge7 9. Kh1 0-0 10. d5 Ne5 11. Bxd7 Nxd7 12. Nc3 f6 13. Nd4 Bxd4 14. Qxd4 Nb6 15. b3 c5 16. dxc6 bxc6 17. Rd1 d5 18. Ba3 Re8 19. Rac1 Ng6 20. f5 Ne5 21. exd5 cxd5 22. Nxd5 Qxd5 23. Qxd5+ Nxd5 24. Rxd5 Ng4 25. h3 Nh6 26. Rcd1 Nf7 27. Bc5 Re5 28. b4 a6 29. a4 Rae8 30. b5 axb5 31. axb5 Rc8 32. Ba7 Rc1 33. Rxc1 Rxd5 34. b6 Nd6 35. Rc6 Nb7 36. Rc7 Na5 37. b7 Nxb7 38. Rxb7 Rxf5 39. Rc7 h6 40. Bc5 Kh7 41. Kh2 Rg5 42. Kg1 Rg6 43. Kf2 h5 44. Be3 f5 45. Bd4 h4 46. Be5 Kg8 47. Rc4 Rh6 48. Bf4 Rh5 49. Rc6 Kf7 50. Kf3 Kg8 51. Rg6 Kf7 52. Rg5 Rxg5 53. Bxg5 Ke6 54. Kf4 Kd5 1-0

[Event "Cusco zt 2.4"]
[Site "Cusco"]
[Date "2025.01.29"]
[Round "3"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Reyes Zavaleta, Cristhian Yamil"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2232"]
[BlackElo "1984"]
[PlyCount "142"]
[EventDate "2025.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Be7 9. Qxd4 Qxd4 10. Nbxd4 a6 11. a4 0-0 12. Bf4 Nbd7 13. a5 b5 14. axb6 Nxb6 15. Bb3 Bb7 16. Rfe1 Nfd5 17. Bg3 Rfc8 18. Ne5 Bc5 19. Ndf3 h6 20. Nd3 Be7 21. Be5 a5 22. Rec1 a4 23. Ba2 Nb4 24. Nxb4 Bxb4 25. c3 Bc5 26. Nd4 Bd5 27. Bxd5 exd5 28. Nf3 Nc4 29. Rc2 Re8 30. Bd4 Bd6 31. Kf1 Reb8 32. Ra2 a3 33. b4 f6 34. Nd2 Rc8 35. Nxc4 Rxc4 36. Ke2 Bxb4 37. cxb4 Rxd4 38. Rc3 Rxb4 39. Rcxa3 Re8+ 40. Re3 Rxe3+ 41. Kxe3 Kh7 42. Ra5 d4+ 43. Kd3 Kg6 44. Rd5 Rb2 45. Rxd4 Rxf2 46. Rg4+ Kf7 47. Ke3 Ra2 48. Kf3 g5 49. Rb4 h5 50. h3 Kg6 51. Rb5 Ra3+ 52. Kf2 g4 53. hxg4 hxg4 54. g3 Ra2+ 55. Kf1 f5 56. Rc5 Kf6 57. Rb5 Ke6 58. Rc5 Rd2 59. Rc8 Ke5 60. Re8+ Kd4 61. Re7 Ra2 62. Re8 Ra5 63. Kf2 Re5 64. Rxe5 Kxe5 65. Ke3 Ke6 66. Ke2 Kd6 67. Kd2 Kd7 68. Kd3 Ke6 69. Ke2 Kd6 70. Kd2 Kc5 71. Ke3 Kd6 1/2-1/2

[Event "Cusco zt 2.4"]
[Site "Cusco"]
[Date "2025.01.28"]
[Round "1"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Luza Chura, Marco Adriano"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2232"]
[BlackElo "1669"]
[PlyCount "65"]
[EventDate "2025.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. dxc5 Nxc5 10. Qf2 Nd7 11. Bd3 Qc7 12. 0-0 Be7 13. Rae1 Rb8 14. Kh1 Nb6 15. f5 Nc4 16. Nxd5 exd5 17. Bf4 f6 18. Bxc4 bxc4 19. Qg3 fxe5 20. Qxg7 Rf8 21. Nxe5 Nxe5 22. Bxe5 Qb7 23. Bxb8 Rf7 24. Qe5 Bxf5 25. Rxf5 Rxf5 26. Qxf5 Qxb8 27. Qxh7 Qd6 28. c3 a5 29. h4 a4 30. a3 Kd8 31. Qxe7+ Qxe7 32. Rxe7 Kxe7 33. h5 1-0

[Event "Cusco zt 2.4"]
[Site "Cusco"]
[Date "2025.01.28"]
[Round "2"]
[White "Yucra Valdes, Diego Alonso"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1915"]
[BlackElo "2232"]
[PlyCount "74"]
[EventDate "2025.01.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Nc3 a6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 e5 11. d5 Nd4 12. Bg2 c5 13. dxc6 bxc6 14. Be3 Nd7 15. Qd2 Rb8 16. b3 Qa5 17. Kh2 Nc5 18. Rad1 Nce6 19. Na4 Qc7 20. Rc1 f5 21. exf5 gxf5 22. f4 Kh8 23. Rcd1 Rg8 24. Qf2 Rbf8 25. Nb2 c5 26. Na4 Rf6 27. Nc3 Rg6 28. Bd5 e4 29. Bxe6 Nxe6 30. Nd5 Qa7 31. Rg1 Nd4 32. Rg2 Nf3+ 33. Kh1 Bd4 34. Rf1 Qg7 35. Bxd4 cxd4 36. Nb4 Qh6 37. h4 Rxg3 0-1

[Event "Manizales op 30th"]
[Site "Manizales"]
[Date "2025.01.11"]
[Round "6"]
[White "Ceballos Castellanos, Isabela"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1891"]
[BlackElo "2232"]
[PlyCount "96"]
[EventDate "2025.01.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. a3 Nf6 4. Nc3 d5 5. exd5 Nxd5 6. d3 Be7 7. Be2 0-0 8. 0-0 Bf5 9. Ne4 Bg6 10. Ng3 f5 11. c3 Bf6 12. Qb3 Rb8 13. d4 e4 14. Ne5 Kh8 15. Nxg6+ hxg6 16. f3 e3 17. f4 Na5 18. Qa2 b5 19. Rf3 Re8 20. Nf1 Nc4 21. Rh3+ Kg8 22. Bxe3 Nxf4 23. Bxc4+ bxc4 24. Bxf4 Rb3 25. Nd2 Bxd4+ 26. Kh1 Re2 27. Nxb3 Qd5 28. Rf3 Bxc3 29. Na5 Bxb2 30. Qxc4 Qxc4 31. Nxc4 Bxa1 32. Rf1 Bd4 33. h4 c5 34. Kh2 Rc2 35. Rc1 Rxc1 36. Bxc1 Kf7 37. Kg3 Ke6 38. Kf4 Bf6 39. g3 Kd5 40. Ne3+ Kd4 41. Bb2+ Kd3 42. Bxf6 gxf6 43. h5 gxh5 44. Nd5 c4 45. Nxf6 a5 46. Nd5 Kd4 47. Ne3 c3 48. Nxf5+ Kd3 0-1

[Event "Manizales op 30th"]
[Site "Manizales"]
[Date "2025.01.11"]
[Round "7"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Lopez Idarraga, Daniel Eduardo"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2232"]
[BlackElo "1991"]
[PlyCount "123"]
[EventDate "2025.01.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. Nb3 a5 9. a4 d6 10. f4 Be6 11. Ra3 d5 12. e5 Ne4 13. Nxe4 dxe4 14. Nc5 Qc8 15. Nxe4 Rd8 16. Qb1 Nb4 17. Rc3 Qb8 18. Ng5 Nd5 19. Ra3 Nxe3 20. Rxe3 Bf5 21. g4 Qa7 22. Kf2 Bd7 23. Rd1 h6 24. Ne4 Bxa4 25. Rxd8+ Rxd8 26. c3 Bc6 27. Qc2 a4 28. Bf3 Qb6 29. Nd2 e6 30. Bxc6 Qxc6 31. Ne4 Bf8 32. Kf3 Qc4 33. Qe2 Qd5 34. Kg3 Kg7 35. h4 Bc5 36. Rf3 b6 37. Kh3 Qd1 38. Qxd1 Rxd1 39. f5 exf5 40. gxf5 Re1 41. Nxc5 bxc5 42. fxg6 fxg6 43. Rf4 Rxe5 44. Rxa4 Re3+ 45. Kg4 h5+ 46. Kf4 Rh3 47. Ke5 Rh2 48. Rc4 Rxb2 49. Rxc5 Rh2 50. Rc4 Kh6 51. Re4 g5 52. hxg5+ Kxg5 53. c4 h4 54. c5 Rc2 55. Kd6 h3 56. Re1 h2 57. Rh1 Kg4 58. c6 Kg3 59. c7 Kg2 60. Rxh2+ Kxh2 61. Kd7 Rxc7+ 62. Kxc7 1/2-1/2

[Event "Manizales op 30th"]
[Site "Manizales"]
[Date "2025.01.10"]
[Round "5"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Tirado Veliz, Henry Jose"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "2232"]
[BlackElo "1989"]
[PlyCount "60"]
[EventDate "2025.01.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. Nb3 Nc6 9. f4 a6 10. a4 Be6 11. Ra3 Na5 12. e5 Ne8 13. exd6 Nxd6 14. Nxa5 Qxa5 15. 0-0 Rfd8 16. Qe1 Nc4 17. Bxc4 Bxc4 18. Rf2 Rd7 19. h3 Rad8 20. Kh2 Rd1 21. Bb6 Qxb6 22. Nxd1 Rxd1 23. Qxd1 Qxf2 24. Qd8+ Bf8 25. Rf3 Qxc2 26. Qc8 Qe4 27. Rf2 Bd5 28. Qb8 e6 29. Qc8 Qxa4 30. f5 exf5 0-1

[Event "Manizales op 30th"]
[Site "Manizales"]
[Date "2025.01.10"]
[Round "4"]
[White "Velandia, Wilson"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1761"]
[BlackElo "2232"]
[PlyCount "58"]
[EventDate "2025.01.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. Bd2 e6 7. Bd3 Nc6 8. Ne2 Qb6 9. c3 Bxf3 10. gxf3 e5 11. Be3 exd4 12. Bxd4 Nxd4 13. Nxd4 Bc5 14. Qa4+ Kf8 15. 0-0-0 g6 16. f4 Bxd4 17. cxd4 Rd8 18. Bc2 Kg7 19. Rhe1 Rd7 20. Re3 Rhd8 21. Rb3 Qd6 22. d5 c5 23. dxc6 Qxd1+ 24. Bxd1 Rxd1+ 25. Kc2 R8d2+ 26. Kc3 Nd5+ 27. Kc4 Rd4+ 28. Kc5 b6+ 29. Kd6 Rxa4 0-1

[Event "Manizales op 30th"]
[Site "Manizales"]
[Date "2025.01.09"]
[Round "2"]
[White "Gallego Perez, Alejandro"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1849"]
[BlackElo "2232"]
[PlyCount "94"]
[EventDate "2025.01.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 g6 3. g3 Bg7 4. Bg2 Nc6 5. 0-0 Nf6 6. c3 d5 7. d3 0-0 8. h3 e6 9. Qc2 b6 10. Rd1 Bb7 11. Nd2 Qe7 12. Nf1 c4 13. exd5 cxd3 14. Qxd3 Nxd5 15. Nf4 Nf6 16. Qe2 Rad8 17. Be3 e5 18. Nd3 h6 19. Ne1 e4 20. Rxd8 Rxd8 21. Rd1 Nd5 22. Bc1 f5 23. Ne3 Ne5 24. Nxd5 Bxd5 25. b3 Bb7 26. c4 Nc6 27. Rxd8+ Qxd8 28. Be3 Ne5 29. Qd2 Qxd2 30. Bxd2 Kf7 31. Kf1 g5 32. Ke2 Bc8 33. f3 exf3+ 34. Nxf3 Nxf3 35. Bxf3 Be5 36. Be1 Kf6 37. Bf2 Bd6 38. a4 Bc5 39. Be1 a5 40. Bc3+ Kg6 41. Bc6 Be6 42. Be8+ Bf7 43. Bxf7+ Kxf7 44. g4 Kg6 45. Kf3 h5 46. Be5 fxg4+ 47. hxg4 h4 1/2-1/2

[Event "Manizales op 30th"]
[Site "Manizales"]
[Date "2025.01.09"]
[Round "3"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Zuluaga Alzate, Gustavo"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "2232"]
[BlackElo "1755"]
[PlyCount "73"]
[EventDate "2025.01.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. Bb5+ c6 6. dxc6 bxc6 7. Bc4 Qe7+ 8. Kf1 Ba6 9. Bxa6 Nxa6 10. d4 Nd5 11. Nc3 Ne3+ 12. Bxe3 Qxe3 13. Qe2 Qxe2+ 14. Nxe2 Bd6 15. a3 0-0 16. b4 Rae8 17. c4 f6 18. h4 g6 19. Kf2 Re7 20. Rhd1 Rfe8 21. Ra2 h6 22. c5 Bc7 23. d5 cxd5 24. Nc3 Rd7 25. Rxd5 Red8 26. Rad2 Rxd5 27. Rxd5 Rxd5 28. Nxd5 Bd8 29. Nxf4 Kf7 30. Nd4 Nb8 31. Nd5 f5 32. g3 Na6 33. Nc6 Bc7 34. b5 Nxc5 35. Nxc7 Ne4+ 36. Kg2 g5 37. Nxa7 1-0

[Event "Manizales op 30th"]
[Site "Manizales"]
[Date "2025.01.08"]
[Round "1"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Puerta Rendon, Josue"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "2232"]
[BlackElo "1718"]
[PlyCount "97"]
[EventDate "2025.01.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 b6 6. Nf3 Bb7 7. Bd3 0-0 8. 0-0 c5 9. Qe2 h6 10. Bh4 Nc6 11. cxd5 exd5 12. dxc5 bxc5 13. Rfd1 d4 14. Bb5 Nd5 15. Bxc6 Bxc6 16. Bxe7 Nxe7 17. exd4 Bxf3 18. Qxf3 cxd4 19. Qe4 Rb8 20. Rxd4 Qb6 21. Na4 Qf6 22. Rad1 Rfe8 23. Rd6 Qxd6 24. Rxd6 Nf5 25. Qxe8+ Rxe8 26. Rd1 Re4 27. Nc3 Rb4 28. b3 Rb6 29. Kf1 Rc6 30. Rd3 Kf8 31. Ke2 Ke7 32. Kd2 Nh4 33. Nd5+ Ke6 34. Ne3 f5 35. Nc2 Rd6 36. Rxd6+ Kxd6 37. Nd4 Kd5 38. g3 Kxd4 39. gxh4 g6 40. a4 f4 41. a5 a6 42. f3 Ke5 43. Kd3 Kd5 44. b4 Kd6 45. Kc4 g5 46. hxg5 hxg5 47. h3 Kc6 48. b5+ axb5+ 49. Kd4 1-0

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2024.12.30"]
[Round "8"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Claverie, Raul Ricardo"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "2255"]
[BlackElo "2295"]
[PlyCount "147"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c6 5. d5 Qa5 6. Bc4 cxd5 7. Bxd5 e6 8. Bxf6 gxf6 9. Qh5+ Ke7 10. 0-0-0 exd5 11. Nh3 Kd8 12. Qf7 Qa6 13. Rxd5 Bh6+ 14. Kb1 f5 15. Re5 Qd6 16. Qxf5 Qg6 17. Nxe4 Nc6 18. Rd5 Rf8 19. Qxg6 hxg6 20. Rd6 Ne7 21. Rhd1 Bf4 22. Nxf4 Rxf4 23. Nc5 Kc7 24. f3 Rf7 25. Ne4 a5 26. Nc5 b6 27. Ne4 b5 28. Nc5 Rf5 29. Nxd7 Nd5 30. R6xd5 Rxd5 31. Rxd5 Bxd7 32. Kc1 Re8 33. Kd2 Kc6 34. Rg5 Re6 35. a4 Rd6+ 36. Kc1 bxa4 37. Rxa5 Kb6 38. Rg5 Rc6 39. g4 Rf6 40. Kd2 Bc6 41. f4 Rxf4 42. Rxg6 Rf2+ 43. Kc3 Rxh2 44. Rf6 Kc5 45. b4+ Kd5 46. Rf5+ Ke6 47. Ra5 Rh3+ 48. Kb2 Be4 49. Rxa4 Rh2 50. Ra6+ Ke5 51. Ra5+ Kd4 52. Rc5 Rg2 53. g5 Bd5 54. Ka3 Bc4 55. Kb2 Rg3 56. Ra5 Bd5 57. Rc5 Rxg5 58. c3+ Kd3 59. b5 Rg2+ 60. Ka3 Bc4 61. Kb4 Rb2+ 62. Ka5 Kxc3 63. Rh5 Kd4 64. Kb6 Bd3 65. Kc6 Be4+ 66. Kd6 Rc2 67. Rg5 Rc8 68. Rh5 Rg8 69. Rh6 Rg5 70. b6 Rc5 71. Kd7 Ke5 72. b7 Rb5 73. Rh5+ Bf5+ 74. Rxf5+ 1/2-1/2

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2024.12.29"]
[Round "6"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Herrera, Juan Sebastian"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2255"]
[BlackElo "2214"]
[PlyCount "61"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c3 d5 4. exd5 Qxd5 5. Qf3 Qa5 6. Nd2 c6 7. Nc4 Qd8 8. Bf4 Nf6 9. Bd3 Bg4 10. Qg3 b5 11. Ne5 Be6 12. Ne2 0-0 13. h4 Nh5 14. Qe3 Bd5 15. Bh6 f5 16. Bxg7 f4 17. Qh3 Kxg7 18. Rg1 Qd6 19. 0-0-0 Be6 20. Qf3 Bxa2 21. c4 Nd7 22. Nc3 Bxc4 23. Bxc4 bxc4 24. Nxc4 Qb4 25. Qd3 Rab8 26. Rd2 f3 27. g3 Rfd8 28. d5 Nc5 29. Qe3 Qxc4 30. Qxe7+ Kg8 31. Kd1 0-1

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2024.12.29"]
[Round "7"]
[White "Simancas Maradei, Miguel Alejandro"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2057"]
[BlackElo "2255"]
[PlyCount "61"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 0-0 6. Nge2 d6 7. 0-0 Nc6 8. d4 Bd7 9. h3 Rb8 10. b3 a6 11. dxc5 dxc5 12. Bb2 b5 13. cxb5 axb5 14. Rc1 Na5 15. Qc2 c4 16. bxc4 Nxc4 17. Ba1 Qa5 18. Nd4 Rfc8 19. Qe2 b4 20. Nb1 Nd6 21. e4 Nfe8 22. Rfe1 Nb5 23. e5 Nxd4 24. Bxd4 Be6 25. Rxc8 Rxc8 26. Qb2 Bxa2 27. Nd2 Bd5 28. Bxd5 Qxd5 29. Qxb4 Nc7 30. Nf1 Ne8 31. Nd2 1/2-1/2

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2024.12.28"]
[Round "5"]
[White "Heredia Serrano, Carla Sofia"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2110"]
[BlackElo "2255"]
[PlyCount "122"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Bf5 6. Nxf6+ gxf6 7. d4 Bg4 8. Be3 Qa5+ 9. Qd2 Qxd2+ 10. Nxd2 e6 11. g3 h5 12. Bg2 h4 13. h3 Bf5 14. 0-0-0 hxg3 15. fxg3 Nd7 16. g4 Bg6 17. h4 Bd6 18. h5 Bh7 19. Rdf1 Ke7 20. Bf4 Rag8 21. Bxd6+ Kxd6 22. Rf4 f5 23. Bh3 fxg4 24. Bxg4 f5 25. Bf3 Rg5 26. a4 Rhg8 27. Nc4+ Kc7 28. a5 Nf6 29. Ne5 Nd7 30. Nd3 b6 31. Kd2 Rg1 32. Rh2 R8g3 33. axb6+ axb6 34. Rf2 c5 35. c3 cxd4 36. cxd4 Kd6 37. Re2 Rf1 38. Re3 Nf6 39. Be2 Rxe3 40. Bxf1 Rg3 41. Nf2 Nxh5 42. Rh4 Bg6 43. Nd3 Nf6 44. Ne5 Nd7 45. Nxd7 Kxd7 46. Bd3 Kd6 47. Rh8 Bf7 48. Rb8 Kc7 49. Rf8 Rg2+ 50. Kc3 Rg7 51. d5 e5 52. Bxf5 Bxd5 53. Rc8+ Kd6 54. Rd8+ Kc6 55. Rc8+ Rc7 56. Re8 Kd6+ 57. Kd2 Rf7 58. Bd3 Rf3 59. Rd8+ Kc5 60. Kc3 e4 61. b4+ Kc6 0-1

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2024.12.28"]
[Round "4"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Lopez Rayo, Isabella"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "2255"]
[BlackElo "1970"]
[PlyCount "139"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. e3 Nf6 7. Nf3 0-0 8. a4 Ba6 9. cxd5 Bxf1 10. Kxf1 exd5 11. Qe2 Nc6 12. Nd2 Re8 13. f3 Nh5 14. g3 f5 15. Qd3 Qd7 16. Nb3 f4 17. Kg2 fxe3 18. Bxe3 Ne7 19. Rhe1 Nf5 20. Bf2 Nh4+ 21. Kg1 Qh3 22. gxh4 Nf4 23. Qf1 Qxf3 24. Bg3 Ne2+ 25. Rxe2 Qxe2 26. Qg2 Qxg2+ 27. Kxg2 Re2+ 28. Kf3 Rae8 29. Be5 Rc2 30. Rc1 Rf8+ 31. Ke3 Rxc1 32. Nxc1 Rf1 33. Kd2 c6 34. Bb8 a6 35. Bc7 Kf8 36. Nd3 Ra1 37. Nc1 Rxa4 38. Bxb6 Kf7 39. Kc2 c5 40. Kb3 Ra1 41. Kb2 Ra4 42. Bxc5 Ra5 43. Nd3 Rb5+ 44. Kc2 Rb7 45. Nf4 Rd7 46. Kb3 Kf6 47. c4 dxc4+ 48. Kxc4 Kf5 49. Nd5 Ke4 50. Nb6 Rd8 51. d5 Ke5 52. Bd4+ Kd6 53. Bc5+ Kc7 54. Kd4 Re8 55. Nc4 Re1 56. Bd6+ Kd7 57. Bg3 Rd1+ 58. Kc5 Rc1 59. Bf4 Rf1 60. Nb6+ Ke8 61. Bg3 Rc1+ 62. Nc4 Kd7 63. Bf4 Rf1 64. Ne5+ Ke8 65. Bg3 Rc1+ 66. Kd6 a5 67. Ke6 Rc2 68. d6 Re2 69. h5 Re4 70. Bf2 1-0

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2024.12.27"]
[Round "3"]
[White "Perez Tangarife, Simon"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1955"]
[BlackElo "2255"]
[PlyCount "73"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bxd4 7. Qxd4 d6 8. Be2 h6 9. f4 Nc6 10. Qd3 0-0 11. 0-0 Re8 12. Bf3 Nb4 13. Qd2 c6 14. b3 Bg4 15. Bb2 Na6 16. Rad1 Qb6+ 17. Kh1 Nc5 18. Qf2 Rad8 19. Bxg4 Nxg4 20. Qg3 Nf6 21. Nd5 Nh5 22. Nf6+ Nxf6 23. Bxf6 g6 24. Bxd8 Qxd8 25. e5 d5 26. cxd5 cxd5 27. Qe3 Ne4 28. Qxa7 Qh4 29. Qe3 Rd8 30. g3 Qh3 31. Kg1 h5 32. Qf3 Qe6 33. f5 Qb6+ 34. Kg2 g5 35. Qxh5 d4 36. e6 Qc6 37. exf7+ 1-0

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2024.12.27"]
[Round "2"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Cayon, Diego Mauricio"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2255"]
[BlackElo "2083"]
[PlyCount "57"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 h6 7. Nf4 Bh7 8. Bd3 Bxd3 9. Qxd3 c5 10. dxc5 a6 11. Be3 Nd7 12. 0-0-0 Bxc5 13. Ncxd5 Bxe3+ 14. Nxe3 Qc7 15. Nxe6 fxe6 16. Qg6+ Kf8 17. Qxe6 Nc5 18. Qc4 Rc8 19. Rd6 Ne7 20. Rhd1 b5 21. Qf4+ Ke8 22. b4 Rf8 23. Qd4 Na4 24. Rd7 Qc6 25. f4 Nc3 26. Rd2 Qh1+ 27. Nd1 Nxa2+ 28. Kb2 Nc3 29. Rxe7+ 1-0

[Event "Santiago de Cali op"]
[Site "Cali"]
[Date "2024.12.26"]
[Round "1"]
[White "Velasquez, Andres Felipe"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[ECO "C43"]
[WhiteElo "2015"]
[BlackElo "2255"]
[PlyCount "50"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CB01_2025"]
[SourceDate "2025.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Bg5 f6 8. Bf4 Nc6 9. Qd2 g5 10. Bg3 Qe7+ 11. Be2 Bf5 12. Nc3 0-0-0 13. 0-0-0 Qf7 14. Bd3 Be6 15. a3 h5 16. h4 g4 17. Ng1 Bh6 18. Bf4 Nc4 19. Bxc4 Rxd2 20. Bxe6+ Qxe6 21. Bxd2 Bxd2+ 22. Kxd2 Rd8+ 23. Kc1 Rxd1+ 24. Kxd1 Qd6+ 25. Kc1 Qf4+ 0-1

[Event "Dosquebradas Fiestas del Progreso"]
[Site "Dosquebradas"]
[Date "2024.12.08"]
[Round "8"]
[White "Bermudez Rojas, Alejandro"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Dosquebradas"]
[Date "2024.12.07"]
[Round "7"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Lopez Idarraga, Daniel Eduardo"]
[Result "0-1"]
[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"]
[Site "Dosquebradas"]
[Date "2024.12.07"]
[Round "6"]
[White "Santos Caballero, Edna Liliana"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Dosquebradas"]
[Date "2024.12.06"]
[Round "5"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Munoz Galvez, Jhon Edison"]
[Result "1/2-1/2"]
[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"]
[Site "Dosquebradas"]
[Date "2024.12.06"]
[Round "4"]
[White "Salazar Grisales, Juan Jose"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[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"]
[Site "Dosquebradas"]
[Date "2024.12.05"]
[Round "2"]
[White "Ducuara Alape, Ronaldo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Dosquebradas"]
[Date "2024.12.05"]
[Round "3"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Cardona Marin, Fabio"]
[Result "1-0"]
[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"]
[Site "Dosquebradas"]
[Date "2024.12.04"]
[Round "1"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Acevedo Vergara, Jorge Luis"]
[Result "1-0"]
[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"]
[Site "Coliseo Miguel Grau"]
[Date "2024.08.03"]
[Round "9"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Vivas Zamora, Fabian Ernesto"]
[Result "1/2-1/2"]
[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"]
[Site "Coliseo Miguel Grau"]
[Date "2024.08.02"]
[Round "8"]
[White "Parra Gonzales, Andre Leonardo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Coliseo Miguel Grau"]
[Date "2024.08.02"]
[Round "7"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Escalante Ramirez, Brian Sebastian"]
[Result "0-1"]
[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"]
[Site "Coliseo Miguel Grau"]
[Date "2024.08.01"]
[Round "6"]
[White "Sanchez Negreiros, Jose Alberto"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Coliseo Miguel Grau"]
[Date "2024.07.31"]
[Round "4"]
[White "Gallegos Quispe, Daniel Paolo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Coliseo Miguel Grau"]
[Date "2024.07.31"]
[Round "5"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Retamozo, Kevin"]
[Result "1/2-1/2"]
[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"]
[Site "Coliseo Miguel Grau"]
[Date "2024.07.30"]
[Round "3"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Terry, Renato"]
[Result "0-1"]
[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"]
[Site "Coliseo Miguel Grau"]
[Date "2024.07.29"]
[Round "2"]
[White "Guzman Vera, Diego Alonso"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Coliseo Miguel Grau"]
[Date "2024.07.29"]
[Round "1"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Villaverde Salas, Gonzalo Matias"]
[Result "1-0"]
[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"]
[Site "Montevideo"]
[Date "2023.02.11"]
[Round "9"]
[White "Perdomo, Leandro Daniel"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[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"]
[Site "Montevideo"]
[Date "2023.02.10"]
[Round "8"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "De Dovitiis, Alejo"]
[Result "1-0"]
[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"]
[Site "Montevideo"]
[Date "2023.02.09"]
[Round "7"]
[White "Matsuura, Everaldo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[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"]
[Site "Montevideo"]
[Date "2023.02.08"]
[Round "6"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Ibanez, Marcelo"]
[Result "1-0"]
[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"]
[Site "Montevideo"]
[Date "2023.02.07"]
[Round "5"]
[White "Rodi, Luis Ernesto"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[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"]
[Site "Montevideo"]
[Date "2023.02.06"]
[Round "4"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Amaral, Francisco"]
[Result "1-0"]
[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"]
[Site "Montevideo"]
[Date "2023.02.05"]
[Round "3"]
[White "Hoffman, Alejandro"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[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"]
[Site "Montevideo"]
[Date "2023.02.04"]
[Round "2"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Manteiga, Franco"]
[Result "1-0"]
[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"]
[Site "Montevideo"]
[Date "2023.02.03"]
[Round "1"]
[White "Araya Gonzalez, Hamlet"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Sitges"]
[Date "2022.12.17"]
[Round "6"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Dietrich, Peter"]
[Result "0-1"]
[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"]
[Site "Sitges"]
[Date "2022.12.16"]
[Round "5"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Alfonso Pellisa, Aaron"]
[Result "1-0"]
[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"]
[Site "Sitges"]
[Date "2022.12.15"]
[Round "4"]
[White "Prudhvi, Kumar V"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[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"]
[Site "Sitges"]
[Date "2022.12.14"]
[Round "3"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Arvind, Ramnath Iyer"]
[Result "1/2-1/2"]
[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"]
[Site "Sitges"]
[Date "2022.12.13"]
[Round "2"]
[White "Pousada Garcia, Victor Daniel"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Benidorm"]
[Date "2022.12.08"]
[Round "7"]
[White "Yuste Valenzuela, Alejandro"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Benidorm"]
[Date "2022.12.07"]
[Round "6"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Galvan Cipriani, Viviana"]
[Result "1/2-1/2"]
[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"]
[Site "Benidorm"]
[Date "2022.12.06"]
[Round "5"]
[White "Korneev, Oleg"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[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"]
[Site "Benidorm"]
[Date "2022.12.05"]
[Round "3"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Schaffert, Walter"]
[Result "0-1"]
[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"]
[Site "Arica"]
[Date "2018.12.18"]
[Round "8"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[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"]
[Site "Arica"]
[Date "2018.12.15"]
[Round "4"]
[White "Rodriguez Vila, Andres"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[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"]
[Site "Lima"]
[Date "2018.02.04"]
[Round "9"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Fernandez Sanchez, Fernando Miguel"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2018.02.02"]
[Round "8"]
[White "Fuentes Dominguez, Felix"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2018.02.02"]
[Round "7"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Berdayes Ason, Dylan Isidro"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2018.01.31"]
[Round "4"]
[White "Quintiliano Pinto, Renato Rodrigues"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[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"]
[Site "Lima"]
[Date "2018.01.30"]
[Round "2"]
[White "Santiago, Yago de Moura"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[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"]
[Site "Lima"]
[Date "2018.01.29"]
[Round "1"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Vera Siguenas, Deivy Anthoni"]
[Result "1/2-1/2"]
[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"]
[Site "Lima"]
[Date "2017.03.05"]
[Round "9"]
[White "Fuentes Alarcon, Angelo Moises"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2017.03.05"]
[Round "8"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Perez, Christopher"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2017.03.04"]
[Round "7"]
[White "Noriega, Miguel"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2017.03.03"]
[Round "5"]
[White "Espinoza Pacheco, Aldrin Leo"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[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"]
[Site "Lima"]
[Date "2017.03.03"]
[Round "6"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Flores Tomasto, Luis"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2017.03.02"]
[Round "4"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Terry, Renato"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2017.03.02"]
[Round "3"]
[White "Reyes la Rosa, Juan"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2017.03.01"]
[Round "1"]
[White "Guerrero Malpartida, Luis Carlos"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2017.03.01"]
[Round "2"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Estrada Zeta, Erick"]
[Result "1-0"]
[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"]
[Site "Lima"]
[Date "2016.01.24"]
[Round "11"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Lopez, Alberto"]
[Result "1/2-1/2"]
[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"]
[Site "Lima"]
[Date "2016.01.23"]
[Round "10"]
[White "Principe, Alexander"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2016.01.23"]
[Round "9"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Terry, Renato"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2016.01.22"]
[Round "8"]
[White "Cori, Jorge Moise"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1-0"]
[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"]
[Site "Lima"]
[Date "2016.01.22"]
[Round "7"]
[White "Cuellar, Diego"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[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"]
[Site "Lima"]
[Date "2016.01.21"]
[Round "6"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Vera Siguenas, Deivy Anthoni"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2016.01.20"]
[Round "5"]
[White "Escalante Ramirez, Brian Sebastian"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[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"]
[Site "Lima"]
[Date "2016.01.20"]
[Round "4"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Cruz, Cristhian"]
[Result "1/2-1/2"]
[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"]
[Site "Lima"]
[Date "2016.01.19"]
[Round "3"]
[White "Leiva Rodriguez, Jeammarco Giuseppe"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2016.01.19"]
[Round "2"]
[White "Requejo Cotrina, Oswaldo Valentin"]
[Black "Fernandez Sanchez, Fernando Miguel"]
[Result "0-1"]
[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"]
[Site "Lima"]
[Date "2016.01.18"]
[Round "1"]
[White "Cori Quispe, Kevin Joel"]
[Black "Requejo Cotrina, Oswaldo Valentin"]
[Result "1/2-1/2"]
[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

