[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.07"]
[Round "6"]
[White "Abreu, Williams"]
[Black "Lopez Ramirez, Jorge Hernan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1828"]
[BlackElo "1909"]
[PlyCount "80"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Bg5 d6 6. h3 Be6 7. Bb3 h6 8. Be3 Nd4 9. Nxd4 exd4 10. Bf4 Qe7 11. Nd2 0-0-0 12. Qe2 Kb8 13. 0-0-0 Rhe8 14. Rhe1 Qd7 15. Bh2 a5 16. Nb1 a4 17. Bxe6 Rxe6 18. c4 Bb4 19. Nd2 a3 20. b3 d5 21. f3 b5 22. Qf2 dxc4 23. bxc4 Qc6 24. Re2 Bc3 25. Kc2 Bxd2 26. Kxd2 bxc4 27. Rc1 c3+ 28. Ke1 Qa6 29. Qg3 Ne8 30. f4 Rb6 31. e5 f6 32. Qf3 Rb2 33. Rcc2 Qa4 34. Rc1 Qa8 35. Qg4 f5 36. Qg3 Qd5 37. Rcc2 Ka8 38. Qf3 Qxf3 39. gxf3 c5 40. Bg3 c4 0-1

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.07"]
[Round "7"]
[White "Pelaez, Hernan"]
[Black "Abreu, Williams"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1676"]
[BlackElo "1828"]
[PlyCount "86"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. cxd5 cxd5 4. Bg2 Nf6 5. Nf3 Nc6 6. d4 e6 7. 0-0 Bd6 8. Nc3 0-0 9. Bg5 h6 10. Bxf6 Qxf6 11. e4 dxe4 12. Nxe4 Qe7 13. Nxd6 Qxd6 14. Qd2 Rd8 15. Rfd1 Rb8 16. Rac1 f6 17. Qe3 Ne7 18. Qc3 Bd7 19. Qa5 Bc6 20. a3 a6 21. Qh5 Be8 22. Qc5 Bc6 23. Nh4 Rbc8 24. Bh3 Kf7 25. Qh5+ g6 26. Qe2 b5 27. Ng2 Bxg2 28. Kxg2 Rxc1 29. Rxc1 f5 30. Re1 Nc6 31. Qe3 Nxd4 32. Kg1 g5 33. Bg2 Nc2 34. Qc3 Nxe1 35. Qxe1 Qd1 36. Kf1 Qxe1+ 37. Kxe1 Rd3 38. Bb7 a5 39. b4 Rxa3 40. Bc6 axb4 41. Bxb5 b3 42. Kd1 b2 43. Kc2 Rb3 0-1

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.06"]
[Round "4"]
[White "Abreu, Williams"]
[Black "Gonzalez, Walter1111"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1828"]
[BlackElo "1922"]
[PlyCount "82"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. c3 Qd7 5. Nd2 f6 6. f4 Nh6 7. Ndf3 Nf7 8. Ne2 g5 9. Ng3 gxf4 10. Bxf4 fxe5 11. dxe5 Bg7 12. Bb5 Bg4 13. Qe2 Bxf3 14. gxf3 Nfxe5 15. Bxe5 Bxe5 16. Qxe5 Nxe5 17. Bxd7+ Kxd7 18. 0-0-0 e6 19. f4 Ng4 20. Rd4 Nf6 21. Re1 Rae8 22. Rd2 h5 23. Re5 h4 24. Nf1 Ng4 25. Rg5 Reg8 26. Rg2 Rxg5 27. fxg5 Ne5 28. Ne3 Rg8 29. Kd1 c5 30. Ke2 Ng6 31. Kf3 Ne5+ 32. Ke2 b5 33. Nd1 Kd6 34. Ke3 Ng6 35. Nf2 e5 36. Rg1 Rf8 37. Ng4 d4+ 38. Kd2 Rf4 39. Nf6 Rf2+ 40. Kd3 c4+ 41. Ke4 Rf4# 0-1

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.06"]
[Round "5"]
[White "Ramos Ortiz, Carlos Alberto"]
[Black "Abreu, Williams"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "1514"]
[BlackElo "1828"]
[PlyCount "84"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 e5 6. Nge2 Re8 7. 0-0 Nc6 8. d3 h6 9. Rb1 a5 10. a3 d6 11. h3 Bd7 12. Be3 Qc8 13. Kh2 Be6 14. b4 Kh7 15. b5 Ne7 16. Nd5 Nd7 17. b6 Bxd5 18. cxd5 Nxb6 19. Bxb6 cxb6 20. Rxb6 Qc7 21. Qb3 Reb8 22. Rc1 Qd7 23. h4 g5 24. hxg5 hxg5 25. f3 Kg6 26. g4 Nc8 27. Rb5 b6 28. Ng3 Rb7 29. Nf5 Bf8 30. Kg3 Rab8 31. Qb1 Na7 32. Rb3 b5 33. d4 Bg7 34. Nxg7 Kxg7 35. dxe5 dxe5 36. Rc5 Qd6 37. Qc1 Qf6 38. a4 bxa4 39. Rxb7 Rxb7 40. Rxa5 Nb5 41. Qc6 Qf4+ 42. Kh3 Rb8 0-1

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.05"]
[Round "2"]
[White "Abreu, Williams"]
[Black "Coca Cubillos, Jesus Alberto"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1828"]
[BlackElo "2055"]
[PlyCount "104"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. Nb5 Ng4 5. f4 a6 6. Na3 f6 7. h3 Nh6 8. exf6 exf6 9. Bc4 b5 10. Bb3 c5 11. d3 Bb7 12. Nf3 Be7 13. 0-0 Nf7 14. Qe2 0-0 15. Re1 Nc6 16. Nh4 Qc7 17. Bd2 Bd6 18. g3 Ne7 19. Qf2 Kh8 20. Bxf7 Rxf7 21. Kh2 Raf8 22. c3 dxc3 23. bxc3 g5 24. Ng2 Nf5 25. Rg1 c4 26. Nc2 cxd3 27. Nd4 Nxd4 28. cxd4 Qd7 29. Rge1 Bc8 30. g4 f5 31. d5 fxg4 32. Bc3+ Kg8 33. Qd4 Rf6 34. Re6 Rxe6 35. dxe6 Bxf4+ 36. Qxf4 gxf4 37. exd7 g3+ 38. Kg1 Bxd7 39. Be5 f3 40. Nf4 Bc6 41. Rd1 Be4 42. a3 Rf5 43. Bd6 Kf7 44. Kf1 f2 45. Rd2 Ke8 46. Rd1 h5 47. h4 Kd7 48. Bb8 a5 49. Ng2 Rf3 50. Bf4 Ke6 51. Rb1 d2 52. Rxb5 Bd3# 0-1

[Event "Pereira Pelaez Memorial"]
[Site "Pereira"]
[Date "2021.06.05"]
[Round "3"]
[White "Castano, Nestor"]
[Black "Abreu, Williams"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "1828"]
[PlyCount "76"]
[EventDate "2021.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Nc3 Bc5 4. Bg2 a5 5. e4 Nf6 6. Nge2 0-0 7. 0-0 d6 8. h3 h6 9. d3 Bd7 10. Nd5 Nh7 11. Kh2 Nd4 12. Be3 c6 13. Bxd4 Bxd4 14. Nxd4 exd4 15. Nf4 Qe7 16. Ne2 Qe5 17. f4 Qc5 18. g4 g6 19. Ng3 f6 20. Qd2 Rf7 21. Rae1 Re8 22. a3 Qb6 23. b4 Qc7 24. Qb2 axb4 25. axb4 c5 26. b5 Bc8 27. b6 Qd8 28. Ra1 Nf8 29. Ra8 Kh7 30. Rb1 Qe7 31. Re1 Kg7 32. Re2 Qd8 33. Qb3 Nd7 34. Rb2 Qe7 35. e5 fxe5 36. f5 Nf6 37. fxg6 Kxg6 38. Rf2 Nxg4+ 0-1

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.04"]
[Round "7"]
[White "Abreu, Williams"]
[Black "Castano, Julian Marcelo"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1767"]
[BlackElo "2003"]
[PlyCount "61"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Bd7 7. Be2 f6 8. 0-0 g6 9. exf6 Nxf6 10. Ne5 cxd4 11. Nxc6 bxc6 12. cxd4 c5 13. Bf4 Bg7 14. dxc5 Qxc5 15. b4 Qe7 16. Be5 0-0 17. Bf3 a5 18. bxa5 Ne8 19. Bxg7 Qxg7 20. Ra2 Rxa5 21. Re1 Nd6 22. Nd2 Rb8 23. Qc1 Raa8 24. Qc5 Nb5 25. Bg4 Nd4 26. Nf3 Nxf3+ 27. gxf3 Re8 28. Qd6 Qe7 29. Qc7 Rac8 30. Qe5 Qg7 31. Re3 1/2-1/2

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.04"]
[Round "6"]
[White "Jaramillo, Carlos Orlando"]
[Black "Abreu, Williams"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1928"]
[BlackElo "1767"]
[PlyCount "94"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b4 d5 2. e3 Nf6 3. Nf3 Nbd7 4. d4 c6 5. Nbd2 e6 6. a3 a5 7. b5 a4 8. Bd3 Qc7 9. Bb2 Be7 10. bxc6 bxc6 11. 0-0 Ba6 12. Bxa6 Rxa6 13. c4 c5 14. Qc2 0-0 15. h3 Rc8 16. Rfc1 Qc6 17. Ne5 Nxe5 18. dxe5 Nd7 19. f4 Rb6 20. Rab1 Rcb8 21. Ba1 Rxb1 22. Rxb1 Rxb1+ 23. Qxb1 Nb6 24. Qd3 Nxc4 25. Nxc4 dxc4 26. Qxc4 Qb6 27. Kf2 Qb3 28. Qxb3 axb3 29. a4 Bd8 30. Bc3 Ba5 31. Ba1 c4 32. Ke2 c3 33. Kd1 b2 34. Bxb2 cxb2 35. Kc2 Bc3 36. e4 Kf8 37. g4 Ke7 38. h4 Kd7 39. h5 h6 40. a5 Bd4 41. a6 Kc7 42. Kb1 Kb6 43. Kc2 Kxa6 44. f5 Bxe5 45. Kb1 Kb5 46. Kc2 Kc4 47. Kb1 Kd3 0-1

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.03"]
[Round "5"]
[White "Abreu, Williams"]
[Black "Ramirez, Andres Felipe"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1767"]
[PlyCount "75"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. h4 h5 10. Nb3 Ng4 11. Bxg4 Bxg4 12. f3 Be6 13. Qe2 Bxc3+ 14. bxc3 Ne5 15. c5 dxc5 16. Rd1 Qc7 17. Bf4 Rad8 18. Kf2 Nd3+ 19. Qxd3 Qxf4 20. Qxd8 Rxd8 21. Rxd8+ Kg7 22. Nxc5 Bxa2 23. Rd4 Qc7 24. Nd3 Qxc3 25. Ke3 Qc6 26. Rc1 Qf6 27. e5 Qb6 28. Ke4 Qe6 29. Rc7 Qf5+ 30. Ke3 Bb1 31. Rxe7 Bxd3 32. Rxd3 Kf8 33. Rdd7 b5 34. Rxa7 b4 35. Rxf7+ Qxf7 36. Rxf7+ Kxf7 37. Kd4 Ke6 38. f4 1-0

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.03"]
[Round "4"]
[White "Hernandez Pinzon, Helvert"]
[Black "Abreu, Williams"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1938"]
[BlackElo "1767"]
[PlyCount "107"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. Nc4 b5 9. Ne3 Nf6 10. f3 h5 11. Ned5 Be7 12. Be3 0-0 13. Qd2 b4 14. Nxf6+ Bxf6 15. Nd5 Bxd5 16. Qxd5 Ne7 17. Qd2 Qc7 18. Qxb4 d5 19. Qc5 Qb7 20. Qb6 Qd7 21. Bc5 Rfb8 22. Qa5 Rxb2 23. Qc3 Rb7 24. Bd3 Rc7 25. Qa3 Qc6 26. Bb4 a5 27. Bd2 d4 28. Rb1 Nc8 29. Rb5 Nd6 30. Rxa5 Rb8 31. Ra6 Rb6 32. Rxb6 Qxb6 33. Ke2 Nb7 34. Qb4 Qa7 35. a4 Be7 36. Qb5 Nc5 37. Qe8+ Kh7 38. Qxf7 Nxd3 39. Qxh5+ Kg8 40. cxd3 Rc2 41. Qe8+ Kh7 42. Rc1 Ra2 43. Qh5+ Kg8 44. Rc8+ Bf8 45. Qxe5 Qxa4 46. Qd5+ Kh7 47. Qh5+ Kg8 48. Qe8 Rxd2+ 49. Kxd2 Qb4+ 50. Ke2 Qb2+ 51. Kf1 Qb1+ 52. Kf2 Qxd3 53. Qxf8+ Kh7 54. Qf5+ 1-0

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

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

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.02"]
[Round "2"]
[White "Abreu Balza, Alan Jeremias"]
[Black "Abreu, Williams"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "1335"]
[BlackElo "1767"]
[PlyCount "86"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Bb4 7. 0-0 h6 8. a3 Ba5 9. b4 Bb6 10. Nxc6 bxc6 11. Bb2 Nf6 12. e5 Nd5 13. Ne4 0-0 14. c4 Nf4 15. c5 Bc7 16. Nd6 a5 17. Bc4 Ba6 18. Bxa6 Rxa6 19. Qg4 Qg5 20. Qxg5 hxg5 21. Rad1 Rb8 22. g3 Nd5 23. Rxd5 exd5 24. Bc3 axb4 25. Bxb4 Ba5 26. f4 g4 27. Bxa5 Rxa5 28. Ra1 Rxc5 29. a4 Ra5 30. h3 Rba8 31. Nb7 Rxa4 32. Rxa4 Rxa4 33. Nc5 Rc4 34. Nxd7 gxh3 35. Kh2 d4 36. f5 d3 37. e6 fxe6 38. fxe6 d2 39. e7 Re4 40. Nc5 Rxe7 41. Kxh3 d1Q 42. Kh4 g6 43. Na6 Qh5# 0-1

[Event "Pereira Easter op"]
[Site "Pereira"]
[Date "2021.04.01"]
[Round "1"]
[White "Abreu, Williams"]
[Black "Londono Lopez, Donaldo Eliuver"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "1767"]
[BlackElo "2073"]
[PlyCount "72"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. Bc4 Nc6 6. Qd3 Nf6 7. Nc3 e6 8. Bg5 Be7 9. Rd1 Qc7 10. Bb3 Bd7 11. 0-0 Rc8 12. Rfe1 0-0 13. Bxf6 gxf6 14. Qe3 Na5 15. Qh6 Kh8 16. Qh5 Qc5 17. e5 d5 18. Bxd5 exd5 19. Rxd5 Qc7 20. exf6 Bxf6 21. Ne4 Bg7 22. Rxa5 Bg4 23. Qc5 Bxb2 24. c3 Qxc5 25. Rxc5 Rxc5 26. Nxc5 Bxc3 27. Re3 Bb4 28. Nd3 Bd6 29. Nde5 Be6 30. a3 Rc8 31. h3 Rc1+ 32. Ne1 Bxa3 33. Kh2 Bd6 34. g3 b5 35. N1d3 Rc2 36. Nf4 Rxf2+ 0-1

