[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.30"]
[Round "8"]
[White "Franco, Marcos"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1569"]
[BlackElo "1890"]
[PlyCount "62"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nf3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Nbd2 e6 9. Bg2 Bd6 10. Ne5 Bxe5 11. dxe5 Nd7 12. Nf3 Be4 13. 0-0 Bxf3 14. Bxf3 Ndxe5 15. Bg2 0-0 16. Bg3 Qb6 17. b3 Rad8 18. f4 Nd7 19. Bh4 Rde8 20. Qd3 Nf6 21. Rad1 Qa6 22. Qc2 b5 23. Qf2 c4 24. b4 Qb6 25. Kh1 Ne4 26. Bxe4 dxe4 27. Rd6 Rc8 28. Rfd1 a5 29. a3 axb4 30. axb4 Qa7 31. Rd7 Qa3 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.29"]
[Round "6"]
[White "Luque, Manuel Antonio"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1519"]
[BlackElo "1890"]
[PlyCount "66"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c3 c5 4. e3 Bg4 5. Bd3 e6 6. 0-0 Be7 7. Nbd2 0-0 8. Re1 c4 9. Bc2 b5 10. h3 Bh5 11. Nf1 Nc6 12. Ng3 Bg6 13. Bxg6 hxg6 14. Bd2 Rc8 15. Qc2 a5 16. e4 dxe4 17. Nxe4 Qd5 18. Bf4 Rfd8 19. Bh2 b4 20. Rac1 Ra8 21. Nxf6+ Bxf6 22. Qe4 Ne7 23. Qxd5 Nxd5 24. Be5 a4 25. Bxf6 gxf6 26. Kh1 a3 27. bxa3 bxc3 28. g3 Rxa3 29. Rc2 Rda8 30. Rb1 Rxa2 31. Rb8+ Rxb8 32. Rxa2 Rb2 33. Ra4 Rxf2 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.29"]
[Round "7"]
[White "Plazas, Alfonso"]
[Black "Hernandez Grajales, Andres"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1890"]
[BlackElo "1795"]
[PlyCount "90"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Nf6 6. Nc3 Bg7 7. h3 0-0 8. Qd2 d5 9. Nxc6 bxc6 10. 0-0-0 Qa5 11. e5 Nd7 12. f4 e6 13. Kb1 Rb8 14. Ne4 Qa3 15. Qc3 Rxb2+ 16. Qxb2 Qxe3 17. Nf6+ Bxf6 18. exf6 Qxf4 19. Bd3 Qxf6 20. Rhf1 Qxb2+ 21. Kxb2 f5 22. Rf4 Nb6 23. Re1 c5 24. Bb5 g5 25. Rf3 Kg7 26. a4 d4 27. a5 Nd5 28. Bc6 Ne3 29. Rexe3 dxe3 30. Rxe3 Rf7 31. Kc3 Rc7 32. Bb5 Kf6 33. a6 e5 34. Rd3 e4 35. Rd8 Ke5 36. g3 c4 37. Rg8 h6 38. Rh8 f4 39. gxf4+ gxf4 40. Rxh6 Bf5 41. Rh8 f3 42. Rd8 f2 43. Rd1 Bxh3 44. Bxc4 f1Q 45. Rxf1 Bxf1 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.28"]
[Round "4"]
[White "Hernandez Jimenez, Xavi"]
[Black "Plazas, Alfonso"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "1678"]
[BlackElo "1890"]
[PlyCount "100"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. 0-0 g6 5. Nc3 Bg7 6. d3 0-0 7. Bg5 f6 8. Bh4 d6 9. Nd2 a6 10. Ba4 Be6 11. Bb3 Qd7 12. Nd5 Nd4 13. c3 Nxb3 14. Qxb3 Nxd5 15. exd5 Bf7 16. Ne4 g5 17. Bg3 h6 18. f3 f5 19. Nd2 b5 20. a4 Rfb8 21. a5 c6 22. dxc6 Qxc6 23. Qd1 b4 24. c4 Bg6 25. Bf2 Kh7 26. Qb3 Bf7 27. Bb6 d5 28. Qxb4 dxc4 29. Nxc4 Rb7 30. Rac1 Qd5 31. Ne3 Qxd3 32. Rc3 Qd4 33. Qa3 Rxb6 34. axb6 Qxb6 35. Kh1 e4 36. Nxf5 Bxc3 37. Qxc3 Qb5 38. Ng3 e3 39. Qxe3 Rb8 40. Rf2 Re8 41. Ne4 Rd8 42. h3 Rd3 43. Qa7 Kg7 44. Qe7 Qf5 45. Rf1 Rd7 46. Qb4 Qe5 47. Re1 Re7 48. Re3 Re6 49. Qc3 Qxc3 50. Rxc3 Bg6 1/2-1/2

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.28"]
[Round "5"]
[White "Plazas, Alfonso"]
[Black "Guerrero Caicedo, Arlette Sabina"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1890"]
[BlackElo "1628"]
[PlyCount "86"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 d4 3. Nce2 e5 4. Nf3 Bd6 5. d3 Ne7 6. g3 0-0 7. Bg2 c6 8. 0-0 Nd7 9. c3 c5 10. cxd4 cxd4 11. a3 a5 12. Bd2 a4 13. Rc1 Nc6 14. Nh4 Nc5 15. Be1 Ne7 16. f4 f6 17. f5 Bd7 18. g4 Bb5 19. Rf3 Qb6 20. Ng3 Nb3 21. Rb1 Rac8 22. Bf1 Rc7 23. Ng2 Rfc8 24. h4 Rc1 25. Rxc1 Rxc1 26. Qe2 Qc7 27. Rf2 Kf8 28. g5 Be8 29. gxf6 gxf6 30. Nh5 Ng8 31. Qg4 Nh6 32. Qf3 Bxh5 33. Qxh5 Qg7 34. Bd2 Nxd2 35. Rxd2 Ng4 36. Rf2 Nxf2 37. Kxf2 Rc2+ 38. Be2 Rxb2 39. Ne1 Bxa3 40. Nf3 Be7 41. Nh2 a3 42. Kf3 a2 43. Ng4 a1Q 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.27"]
[Round "2"]
[White "Cano Alcaraz, Juan Jose"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "1396"]
[BlackElo "1890"]
[PlyCount "82"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Nf3 d5 4. Bg2 c5 5. 0-0 Nc6 6. d4 Be7 7. Nc3 0-0 8. cxd5 exd5 9. Bg5 c4 10. Ne5 Be6 11. Rc1 h6 12. Bf4 Rc8 13. Qd2 Re8 14. Rfd1 Bf8 15. Qc2 Qb6 16. Be3 Qc7 17. Nxc6 bxc6 18. b3 Ba3 19. Rb1 Qd7 20. b4 a5 21. bxa5 Bf5 22. Qa4 Bxb1 23. Rxb1 Bd6 24. a6 Ra8 25. Rb6 Rec8 26. Rb7 Rc7 27. Rb6 Qc8 28. h4 Nd7 29. Nxd5 Nxb6 30. Nxb6 Qxa6 31. Bxc6 Qxa4 32. Bxa4 Ra6 33. d5 c3 34. Bb3 c2 35. Nc4 Ba3 36. d6 Bxd6 37. Bc1 Rac6 38. Ne3 Bf8 39. Kf1 Rd7 40. Nd5 Re6 41. Ne3 Rxe3 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.27"]
[Round "3"]
[White "Plazas, Alfonso"]
[Black "Vacca, Leonardo"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1890"]
[BlackElo "2041"]
[PlyCount "100"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 b5 4. Nf3 bxc4 5. Nc3 d6 6. e4 Nbd7 7. Bxc4 g6 8. 0-0 Bg7 9. Bg5 0-0 10. Qd2 Rb8 11. Rab1 Qa5 12. Rfe1 Re8 13. e5 Nxe5 14. Nxe5 dxe5 15. Rxe5 Ne4 16. Rxe4 Bxc3 17. Qf4 Rxb2 18. Rxb2 Bxb2 19. d6 e6 20. h4 Bd7 21. h5 Bg7 22. h6 Bf8 23. Be7 Rxe7 24. dxe7 Bxe7 25. Re3 Qd2 26. Qb8+ Bf8 27. Bf1 c4 28. Bxc4 Qc1+ 29. Bf1 a6 30. Qe5 Bb5 31. Re1 Qd2 32. Bxb5 axb5 33. Qe2 Qg5 34. Rb1 b4 35. Qe3 Qh5 36. Qa7 Qxh6 37. Rd1 Qg5 38. g3 Bc5 39. Qb8+ Kg7 40. Rd8 e5 41. Kg2 Qf5 42. Rd2 Qe4+ 43. Kh2 Qe1 44. Qd8 Bxf2 45. Qd3 Bxg3+ 46. Kg2 Bf4 47. Rf2 Be3 48. Re2 Qg1+ 49. Kf3 Qf1+ 50. Kg3 Bf4+ 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.26"]
[Round "1"]
[White "Plazas, Alfonso"]
[Black "Bonilla Barreiro, Maria Jose"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1890"]
[BlackElo "1210"]
[PlyCount "67"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nc3 d6 4. Bc4 a6 5. a4 g6 6. Nf3 Bg7 7. 0-0 Nf6 8. d3 Bg4 9. h3 Bxf3 10. Qxf3 Nd4 11. Qd1 e6 12. Ne2 Nxe2+ 13. Qxe2 0-0 14. Bb3 Nd7 15. c3 Qc7 16. Be3 Rfe8 17. Rf2 Re7 18. Raf1 Rae8 19. Qd2 Nb6 20. d4 c4 21. Bd1 d5 22. e5 Nd7 23. g4 f5 24. gxf5 gxf5 25. Rg2 Kh8 26. Kh2 Rf7 27. Rfg1 Nf8 28. Qe2 Ng6 29. Qh5 a5 30. Qg5 Kg8 31. h4 Qe7 32. h5 Qxg5 33. Rxg5 Ne7 34. h6 1-0

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "2"]
[White "Ospina, Weimar Andres"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1635"]
[BlackElo "1905"]
[PlyCount "49"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 d6 7. Be2 Bg7 8. Be3 0-0 9. 0-0 a6 10. f3 Bd7 11. Qd2 Rc8 12. Rfd1 Ne5 13. b3 Re8 14. Rac1 Qa5 15. Qb2 Nc6 16. a3 Nxd4 17. Bxd4 Qg5 18. g3 Nh5 19. Bxg7 Qe3+ 20. Kg2 Nxg7 21. Nd5 Qh6 22. h4 Bc6 23. f4 Bxd5 24. cxd5 Nh5 25. Bg4 1-0

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.26"]
[Round "1"]
[White "Plazas, Alfonso"]
[Black "Mondragon Montano, Kevin Andres"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1905"]
[BlackElo "1600"]
[PlyCount "75"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 a6 6. c5 h6 7. Bh4 Nc6 8. e3 g5 9. Bg3 Nh5 10. Bd3 f6 11. Bg6+ Kf8 12. Bxh5 b6 13. b4 b5 14. a3 Bd7 15. 0-0 a5 16. Qb3 Qb8 17. e4 a4 18. Qa2 Rg8 19. exd5 exd5 20. Qxd5 Be8 21. Bxe8 Qxe8 22. Nxb5 Rd8 23. Qe6 Rg6 24. Nxc7 Qd7 25. d5 Qxe6 26. Nxe6+ Kg8 27. dxc6 Rc8 28. Ned4 h5 29. Bd6 Bxd6 30. cxd6 g4 31. Nh4 Rg5 32. d7 Rd8 33. Ne6 Re5 34. Nxd8 f5 35. c7 f4 36. c8Q Kh7 37. Nf7 Re6 38. Qh8# 1-0

[Event "Palmira op"]
[Site "Palmira"]
[Date "2018.09.23"]
[Round "7"]
[White "Rojas, Hernes"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "A17"]
[BlackElo "1930"]
[PlyCount "114"]
[EventDate "2018.09.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d3 d5 4. cxd5 exd5 5. Bg5 c6 6. g3 Bb4 7. Bd2 Bg4 8. Bg2 0-0 9. Nf3 Re8 10. 0-0 Na6 11. a3 Bd6 12. h3 Bh5 13. Bg5 Nc7 14. e4 h6 15. Bxf6 Qxf6 16. exd5 Nxd5 17. Ne4 Qd8 18. Nxd6 Qxd6 19. Qc2 Rad8 20. Rfe1 Nf6 21. Rxe8+ Nxe8 22. Re1 Nf6 23. Qb3 b6 24. Ne5 Nd5 25. Qc4 Re8 26. d4 f6 27. Nf3 b5 28. Rxe8+ Bxe8 29. Qe2 Qe7 30. Qd2 b4 31. axb4 Qxb4 32. Qe2 Qe7 33. Qd2 Qb4 34. Qe2 Bf7 35. Qc2 Qb6 36. Qd2 a5 37. Nh4 Qb4 38. Qxb4 Nxb4 39. Nf5 Bd5 40. Bf1 Kf7 41. Ne3 g6 42. f4 Ke6 43. Kf2 h5 44. Ke1 f5 45. Kd2 Kd6 46. Nc2 c5 47. dxc5+ Kxc5 48. Ne3 Kd4 49. g4 fxg4 50. hxg4 h4 51. f5 Bf7 52. Bh3 Ke4 53. Ng2 g5 54. Nxh4 gxh4 55. g5 Bh5 56. g6 Kf4 57. g7 Bf7 0-1

[Event "Palmira op"]
[Site "Palmira"]
[Date "2018.09.22"]
[Round "5"]
[White "Plazas, Alfonso"]
[Black "Gonzalez, Leandro"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1930"]
[BlackElo "1687"]
[PlyCount "40"]
[EventDate "2018.09.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 Bg4 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 e6 8. Qb3 Bb4 9. Ne5 Bxc3+ 10. bxc3 Qc8 11. Qa3 a6 12. Bd3 Ne7 13. 0-0 Qd8 14. Rac1 0-0 15. Bg5 Bf5 16. Bxf5 Nxf5 17. Ng4 Rc8 18. Qb4 b5 19. Qa3 Rc6 20. Ne5 Qd6 0-1

[Event "Palmira op"]
[Site "Palmira"]
[Date "2018.09.22"]
[Round "4"]
[White "Ramos Ariza, Juan Manuel"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "1930"]
[PlyCount "77"]
[EventDate "2018.09.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Be3 Bg7 4. Qd2 Nf6 5. f3 0-0 6. Bd3 e5 7. Ne2 Nc6 8. d5 Ne7 9. c4 c6 10. Nbc3 cxd5 11. cxd5 a6 12. a4 Bd7 13. a5 Rc8 14. Na4 Nh5 15. Nb6 Rb8 16. g4 Nf6 17. 0-0-0 Nc8 18. Kb1 Nxb6 19. Bxb6 Qe7 20. Ng3 Rbc8 21. h4 Bb5 22. Bxb5 axb5 23. Qb4 Nd7 24. Be3 Nc5 25. Qxb5 Rc7 26. h5 Rfc8 27. Rc1 Bf6 28. Rcg1 Bg5 29. Nf5 Qf6 30. Bxg5 Qxg5 31. hxg6 fxg6 32. Nxd6 Rf8 33. Nf5 Kh8 34. Rc1 Rfc8 35. Nd6 Qd8 36. Nxc8 Qxc8 37. d6 Rc6 38. Rxc5 Rxc5 39. d7 1-0

[Event "Palmira op"]
[Site "Palmira"]
[Date "2018.09.21"]
[Round "2"]
[White "Casas, Jose Fernando"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1772"]
[BlackElo "1930"]
[PlyCount "66"]
[EventDate "2018.09.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Bc4 Nc6 4. Nf3 d6 5. c3 Qd7 6. cxd4 h6 7. Nc3 Nf6 8. 0-0 Be7 9. e5 dxe5 10. d5 e4 11. Bb5 exf3 12. dxc6 bxc6 13. Qxf3 Bb7 14. Bf4 0-0-0 15. Ba4 Bd6 16. Be3 Kb8 17. b4 Ng4 18. Bf4 g5 19. Bxd6 cxd6 20. Bb3 Ne5 21. Qf6 Rhg8 22. Qxh6 Rg6 23. Qh5 g4 24. Rad1 Qe7 25. Rfe1 Rg5 26. Qh6 Rg6 27. Qf4 Rh8 28. Ne4 d5 29. Ng3 f6 30. Nf5 Qc7 31. Qg3 Bc8 32. f4 gxf3 33. Qf4 Rxg2+ 0-1

[Event "Palmira op"]
[Site "Palmira"]
[Date "2018.09.21"]
[Round "3"]
[White "Plazas, Alfonso"]
[Black "Urbano, Santiago"]
[Result "1/2-1/2"]
[ECO "C83"]
[WhiteElo "1930"]
[BlackElo "1646"]
[PlyCount "18"]
[EventDate "2018.09.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Nxe4 7. d4 d5 8. dxe5 Be6 9. c3 Be7 1/2-1/2

[Event "COL-ch"]
[Site "Palmira"]
[Date "2017.05.21"]
[Round "10"]
[White "Latorre, Franklin Leandro"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1827"]
[BlackElo "1967"]
[PlyCount "76"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 c6 4. Nc3 Be7 5. d4 Nd7 6. a4 h6 7. Be3 Ngf6 8. h3 Qc7 9. Bb3 b6 10. 0-0 g5 11. Bxg5 hxg5 12. Nxg5 Rf8 13. f4 exd4 14. Qxd4 Ba6 15. Rfe1 c5 16. Qd1 c4 17. e5 dxe5 18. fxe5 0-0-0 19. exf6 Nxf6 20. Qe2 Bc5+ 21. Kh1 Qf4 22. Nf3 Nh5 23. Ne4 Rfe8 24. Bxc4 Bb7 25. Ba6 Rxe4 26. Qb5 Ng3+ 27. Kh2 Nf5+ 28. Kh1 Bxa6 29. Qxa6+ Kb8 30. Red1 Ng3+ 31. Kh2 Ne2+ 32. Kh1 Ng3+ 33. Kh2 Ree8 34. a5 Ne4+ 35. Kh1 Ng3+ 36. Kh2 Nf1+ 37. Kh1 Qh2+ 38. Nxh2 Ng3# 0-1

[Event "COL-ch"]
[Site "Palmira"]
[Date "2017.05.20"]
[Round "9"]
[White "Plazas, Alfonso"]
[Black "Lora, Joel Fernando"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1967"]
[BlackElo "2226"]
[PlyCount "118"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. g3 Ne4 7. Bg2 Qa5 8. Bd2 Nxd2 9. Qxd2 e6 10. a3 Be7 11. 0-0 0-0 12. b4 Qd8 13. Rfc1 Bd7 14. e3 a5 15. b5 Na7 16. a4 Bb4 17. Qb2 Nc8 18. Ne5 Nb6 19. Bf1 Qe7 20. Qb3 Rfc8 21. Na2 Bd6 22. Nxd7 Qxd7 23. Nc3 Be7 24. Ne2 Qd6 25. Nf4 Rxc1 26. Rxc1 Qa3 27. Qd1 Bd8 28. Ra1 Qe7 29. Nd3 Nd7 30. Rc1 Bb6 31. h4 e5 32. dxe5 Nxe5 33. Nxe5 Qxe5 34. Qg4 f5 35. Qf4 Qxf4 36. gxf4 Kf7 37. Bg2 Ke6 38. Bf3 Rd8 39. Kg2 Rd7 40. Rd1 Bc5 41. h5 b6 42. Rd3 Rd8 43. Kg3 d4 44. exd4 Bxd4 45. Be2 Kd5 46. Kf3 Rc8 47. Bd1 Rc1 48. Ke2 Rb1 49. Bb3+ Kc5 50. Bd1 h6 51. f3 Kc4 52. Rd2 Bc3 53. Rd7 Rb2+ 54. Kf1 Bd4 55. Be2+ Kc3 56. Bd1 Kd3 57. Re7 Rb1 58. Re1 Kd2 59. Re6 Rxd1+ 0-1

[Event "COL-ch"]
[Site "Palmira"]
[Date "2017.05.20"]
[Round "8"]
[White "Rengifo Astudillo, Carlos Alberto"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1519"]
[BlackElo "1967"]
[PlyCount "96"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Be2 Bc5 4. 0-0 d6 5. h3 Nf6 6. d3 Be6 7. c3 Bb6 8. Nbd2 a6 9. a4 h6 10. b4 g5 11. a5 Ba7 12. Bb2 g4 13. Nh4 gxh3 14. g3 Rg8 15. Kh2 Qd7 16. Nf5 Bxf5 17. exf5 Qxf5 18. Nf3 Ng4+ 19. Kg1 h2+ 20. Kg2 h1Q+ 21. Rxh1 Nxf2 22. Qe1 Nxh1 23. Qxh1 0-0-0 24. Qh3 Qxh3+ 25. Kxh3 Bf2 26. g4 f5 27. Nh4 Bxh4 28. Kxh4 f4 29. Bf3 d5 30. b5 axb5 31. a6 bxa6 32. Rxa6 Kb7 33. Ra1 Rge8 34. Re1 Kb6 35. c4 dxc4 36. dxc4 Rd2 37. Re2 Rxe2 38. Bxe2 Nd4 39. Bf1 Re6 40. Bh3 Rf6 41. Bf1 b4 42. Bd3 c5 43. g5 hxg5+ 44. Kxg5 Rf8 45. Be4 f3 46. Bd3 f2 47. Bf1 e4 48. Bc1 Rg8+ 0-1

[Event "COL-ch"]
[Site "Palmira"]
[Date "2017.05.18"]
[Round "6"]
[White "Plazas, Alfonso"]
[Black "Carranza, Miguel"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1967"]
[BlackElo "1618"]
[PlyCount "114"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. Be2 Be7 9. Be3 Nc6 10. 0-0 0-0 11. Bf3 Qc7 12. a5 Bd8 13. Bb6 Qe7 14. Nd5 Bxd5 15. exd5 Na7 16. Be3 Nb5 17. c4 Nc7 18. c5 Nb5 19. cxd6 Nxd6 20. Bc5 Qd7 21. Re1 Re8 22. h3 Bc7 23. Be3 h6 24. Nc5 Qd8 25. b4 Rc8 26. Rc1 Bb8 27. Qd2 Qe7 28. g4 Nh7 29. Bg2 Ng5 30. f4 exf4 31. Bxf4 Qf6 32. Nd7 Rxe1+ 33. Rxe1 Qg6 34. Nxb8 Rxb8 35. Qd4 Nb5 36. Qe5 Rc8 37. h4 f6 38. Qf5 Qxf5 39. gxf5 Nf7 40. Re7 Nfd6 41. Rd7 Nxf5 42. Rxb7 Nxh4 43. Bh3 f5 44. d6 Rd8 45. Rb6 Nd4 46. Bf1 Ng6 47. Bc4+ Kf8 48. Be3 Nf3+ 49. Kf2 Nfe5 50. Bxa6 Ng4+ 51. Kf3 Nxe3 52. Kxe3 Ne5 53. Kd4 Nd7 54. Rc6 f4 55. Rc8 Ke8 56. Rc7 g5 57. Ke4 f3 1-0

[Event "COL-ch"]
[Site "Palmira"]
[Date "2017.05.18"]
[Round "5"]
[White "Villalobos, Juan Pablo"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1644"]
[BlackElo "1967"]
[PlyCount "71"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nf6 7. h3 Bd7 8. Qd2 Qa5 9. Nge2 Rb8 10. 0-0 0-0 11. Bh6 b5 12. Bxg7 Kxg7 13. f4 Nd4 14. e5 Ne8 15. Nxd4 cxd4 16. Ne4 Qb6 17. exd6 Nxd6 18. g4 f5 19. Nxd6 Qxd6 20. g5 Bc6 21. Rae1 Bxg2 22. Kxg2 Rf7 23. Re5 Rc8 24. Kg3 a6 25. Rfe1 Rc7 26. R1e2 Rc5 27. Re6 Qd7 28. Qb4 Rc7 29. Rxa6 e5 30. Rxe5 Rxc2 31. Rd6 Qb7 32. Red5 Qa7 33. Rd8 Re7 34. Re5 Rcc7 35. Qd6 Rf7 36. Ree8 1-0

[Event "COL-ch"]
[Site "Palmira"]
[Date "2017.05.16"]
[Round "3"]
[White "Plazas, Alfonso"]
[Black "Tatekawa Palacio, Shigeki"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1967"]
[BlackElo "1288"]
[PlyCount "61"]
[EventDate "2017.05.15"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bc5 3. e3 Nf6 4. d4 Nc6 5. dxc5 0-0 6. Nf3 d6 7. cxd6 cxd6 8. Be2 Bf5 9. 0-0 Rc8 10. b3 Nh5 11. Bb2 Qf6 12. Nd5 Qg6 13. Nh4 Qg5 14. Nxf5 Qxf5 15. Bxh5 Qe6 16. e4 Qh6 17. Bc1 Qe6 18. Bg4 Qe8 19. Bxc8 Qxc8 20. Ba3 Qd8 21. Qg4 Ne7 22. Rad1 Ng6 23. g3 Qa5 24. Bxd6 Qxa2 25. Bxf8 Nxf8 26. Nf6+ Kh8 27. Rd8 Qa3 28. Nd7 h6 29. Rxf8+ Kh7 30. Qf5+ g6 31. Qxf7# 1-0

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2017.05.01"]
[Round "7"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2100"]
[BlackElo "1967"]
[PlyCount "37"]
[EventDate "2017.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. cxd5 Re8 10. Be2 a6 11. Rc1 Nbd7 12. Nh3 b5 13. a4 b4 14. Nd1 a5 15. Nhf2 Ba6 16. Bxa6 Rxa6 17. b3 Ra8 18. 0-0 Qc7 19. Nb2 1-0

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2017.05.01"]
[Round "6"]
[White "Gonzalez, Leandro"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1560"]
[BlackElo "1967"]
[PlyCount "104"]
[EventDate "2017.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 Qd7 6. Be3 Nge7 7. Bd3 h6 8. Na3 g5 9. h3 Bg7 10. Nc2 Bxd3 11. Qxd3 Nf5 12. g4 Nxe3 13. Nxe3 0-0-0 14. Nd2 f6 15. Nb3 Ne7 16. exf6 Bxf6 17. Nc5 Qc6 18. b4 e5 19. a4 e4 20. Qe2 Ng6 21. b5 Qe8 22. Ng2 Be7 23. Nb3 Rf8 24. Nd2 Nf4 25. Nxf4 gxf4 26. f3 Bh4+ 27. Kf1 e3 28. Nb3 Be7 29. a5 Qg6 30. a6 b6 31. Nc1 h5 32. Qd3 Qe6 33. Ne2 Bd6 34. Rc1 Rh8 35. Kg2 Rdg8 36. Rcg1 hxg4 37. hxg4 Rxg4+ 38. Kf1 Rxg1+ 39. Rxg1 Qh3+ 40. Ke1 Qxf3 41. Qf5+ Kb8 42. Qe6 Rf8 43. Rf1 Qe4 44. Qxe4 dxe4 45. c4 Bb4+ 46. Kd1 f3 47. Ng3 e2+ 48. Nxe2 fxe2+ 49. Kxe2 Rxf1 50. Kxf1 Bc3 51. d5 Kc8 52. Ke2 Bd4 0-1

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2017.04.30"]
[Round "5"]
[White "Plazas, Alfonso"]
[Black "Castillo, Alexander"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "1967"]
[BlackElo "1671"]
[PlyCount "71"]
[EventDate "2017.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 d6 6. c3 Nf6 7. 0-0 Be7 8. d4 0-0 9. h3 Na5 10. Bc2 h6 11. Re1 Nc6 12. Nbd2 Bd7 13. Nf1 Qc8 14. d5 Na5 15. Ng3 c6 16. dxc6 Nxc6 17. Kh2 Nd8 18. a4 Qb8 19. Qe2 Ne6 20. Nf5 Re8 21. N3h4 Nf4 22. Qf3 Nh7 23. g3 Ng5 24. Qg4 h5 25. Nxe7+ Rxe7 26. Qd1 Nfxh3 27. Qxh5 Nh7 28. Nf5 Bxf5 29. Qxf5 Re6 30. Qxh3 Rf6 31. Kg2 Qa7 32. Be3 Qe7 33. Rh1 Rh6 34. Bxh6 Qe6 35. Qxe6 fxe6 36. Be3 1-0

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2017.04.30"]
[Round "4"]
[White "Villafane Sanchez, Fabio Andres"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1579"]
[BlackElo "1967"]
[PlyCount "101"]
[EventDate "2017.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. f4 g6 4. Nf3 Bg7 5. Bc4 0-0 6. f5 c6 7. fxg6 hxg6 8. Bb3 d5 9. exd5 cxd5 10. 0-0 Nc6 11. d3 Bg4 12. Qe1 Bxf3 13. Rxf3 Nd4 14. Rh3 Re8 15. Bh6 Bxh6 16. Rxh6 Kg7 17. Rh3 Nxb3 18. axb3 Rh8 19. Rxh8 Kxh8 20. Qh4+ Kg7 21. Qd4 a6 22. g4 Qd7 23. g5 Qg4+ 24. Qxg4 Nxg4 25. Nxd5 e6 26. h3 exd5 27. hxg4 Re8 28. Kf2 Re5 29. Kf3 d4 30. Ra4 Rxg5 31. Rxd4 Ra5 32. Rb4 Ra2 33. Rxb7 Rxb2 34. Rc7 Rb1 35. Rc6 a5 36. Rc5 Ra1 37. g5 a4 38. bxa4 Rxa4 39. c4 Kf8 40. Re5 Ra6 41. c5 f6 42. gxf6 Rxf6+ 43. Ke4 Ra6 44. d4 Kf7 45. Kd5 Ra8 46. c6 Rd8+ 47. Kc5 Kf6 48. c7 Rg8 49. Kb6 g5 50. Kb7 g4 51. c8Q 1-0

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2017.04.29"]
[Round "3"]
[White "Plazas, Alfonso"]
[Black "Lopez Rayo, Santiago"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1967"]
[BlackElo "1493"]
[PlyCount "69"]
[EventDate "2017.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Bc4 Nc6 4. 0-0 Bg7 5. c3 d6 6. d4 cxd4 7. cxd4 Nf6 8. Nc3 0-0 9. Re1 Bg4 10. Be3 Rc8 11. Bb3 a6 12. h3 Bxf3 13. Qxf3 Qc7 14. Rac1 Qb8 15. Qd1 Rfd8 16. f4 b5 17. Qf3 Qb7 18. e5 Ne8 19. Ne4 h6 20. Rf1 a5 21. f5 a4 22. fxg6 axb3 23. gxf7+ Kf8 24. fxe8Q+ Kxe8 25. Qf7+ Kd7 26. Qxg7 Rg8 27. Nf6+ Kc7 28. Nxg8 Kb8 29. axb3 d5 30. Rf8 Rxf8 31. Qxf8+ Ka7 32. Qe8 Nb8 33. Nxe7 h5 34. Nc8+ Ka6 35. Ra1# 1-0

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2017.04.29"]
[Round "2"]
[White "Quinonez Garcia, Santiago"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2296"]
[BlackElo "1967"]
[PlyCount "34"]
[EventDate "2017.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Nf6 6. Bd2 Qc7 7. Qe2 e6 8. Nf3 Be7 9. 0-0-0 0-0 10. Ne5 b5 11. Bd3 b4 12. Ne4 Nbd7 13. Ng5 a5 14. Nexf7 Nb6 15. Ne5 a4 16. Qh5 h6 17. Qg6 hxg5 1-0

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2017.04.28"]
[Round "1"]
[White "Plazas, Alfonso"]
[Black "Mateus, Juan Miguel"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "1967"]
[BlackElo "1568"]
[PlyCount "97"]
[EventDate "2017.04.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Bb3 Be7 8. 0-0 0-0 9. Be3 b5 10. a3 Qc7 11. f4 Nc6 12. Qf3 Nxd4 13. Bxd4 Bb7 14. f5 exf5 15. Qxf5 Bc8 16. Qf4 Be6 17. Nd5 Nxd5 18. exd5 Bd7 19. Rae1 Rae8 20. Bxg7 Kxg7 21. Rxe7 Rxe7 22. Qg5+ Kh8 23. Qxe7 Qd8 24. Qxd6 f5 25. Qe5+ Qf6 26. Qxf6+ Rxf6 27. Re1 Rf8 28. Re7 Bc8 29. Kf2 f4 30. h4 Bg4 31. c3 h5 32. Bc2 f3 33. g3 Rb8 34. Bg6 Kg8 35. Re8+ Rxe8 36. Bxe8 Kf8 37. Bc6 Ke7 38. Bb7 a5 39. Ba6 Kd6 40. Bxb5 Kxd5 41. Bd3 Ke5 42. b3 Be6 43. Bc2 Bg4 44. a4 Kd5 45. Ke3 Ke5 46. Bd3 Be6 47. Bc2 Bg4 48. b4 axb4 49. cxb4 1-0

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2016.03.12"]
[Round "4"]
[White "Munoz, Mauricio"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1748"]
[BlackElo "1988"]
[PlyCount "100"]
[EventDate "2016.03.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 d5 5. exd5 exd5 6. h3 Nf6 7. Nf3 Bb4+ 8. Bd2 Qa5 9. Nc3 0-0 10. a3 Re8+ 11. Be2 Bf8 12. 0-0 Nbd7 13. Qb3 Qb6 14. Qa2 a6 15. Rfe1 Qd6 16. Bd3 Rxe1+ 17. Rxe1 b5 18. Ne5 Bb7 19. Qb1 Re8 20. f4 Nb6 21. Qd1 Nc4 22. Bc1 Qb6 23. Kh2 Bd6 24. g4 h6 25. Ne2 Ne4 26. Bb1 Nxe5 27. fxe5 Bxe5+ 28. Kg2 Bf6 29. Qd3 a5 30. Be3 b4 31. a4 Ba6 32. Qc2 b3 33. Qd1 Bh4 34. Rf1 Qb4 35. Bd3 Bc4 36. Rf5 Qxa4 37. Bxe4 Bxe2 38. Qxe2 dxe4 39. d5 Qb4 40. Bd2 Qd6 41. Qe3 Bg5 42. Qf2 e3 43. Qe2 g6 44. Rf3 Qxd5 45. Bc3 a4 46. Be1 Rc8 47. h4 Rc2 48. Qxc2 bxc2 49. hxg5 c1Q 50. Bc3 hxg5 0-1

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2016.03.12"]
[Round "3"]
[White "Plazas, Alfonso"]
[Black "Dagua, David"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1988"]
[PlyCount "87"]
[EventDate "2016.03.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. c4 Nf6 2. d3 g6 3. Nc3 Bg7 4. g3 d6 5. Bg2 0-0 6. Nf3 Nbd7 7. 0-0 c6 8. Bg5 Ng4 9. h3 Nge5 10. Rb1 Nxf3+ 11. Bxf3 Ne5 12. Bg2 Be6 13. Kh2 h6 14. Bf4 g5 15. Be3 Ng6 16. Qc2 d5 17. cxd5 cxd5 18. d4 Qd7 19. Qb3 Rad8 20. Rbc1 a6 21. Na4 Qb5 22. Qxb5 axb5 23. Nc5 b6 24. Nxe6 fxe6 25. Rc6 Rd6 26. Rfc1 Rfd8 27. a3 e5 28. Bd2 exd4 29. Bb4 Rxc6 30. Rxc6 Ne5 31. Rxb6 Nc4 32. Rxb5 d3 33. exd3 Nxb2 34. Bxe7 Re8 35. Bxd5+ Kh8 36. Be4 Nd1 37. f4 Nc3 38. Rb7 gxf4 39. gxf4 Nxe4 40. dxe4 Bd4 41. Kg3 h5 42. e5 Rg8+ 43. Kf3 Kh7 44. Bc5+ 1-0

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2016.03.12"]
[Round "5"]
[White "Plazas, Alfonso"]
[Black "Rosero, Jefferson"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1988"]
[BlackElo "2120"]
[PlyCount "22"]
[EventDate "2016.03.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 Nf6 4. Nc3 d6 5. Bg2 Bf5 6. 0-0 e6 7. d3 Be7 8. Bd2 0-0 9. e4 Bg4 10. h3 Bxf3 11. Qxf3 Nd4 0-1

[Event "Cali Region-ch"]
[Site "Cali"]
[Date "2016.03.11"]
[Round "2"]
[White "Aragon, Diego Fernando"]
[Black "Plazas, Alfonso"]
[Result "1/2-1/2"]
[ECO "B35"]
[BlackElo "1988"]
[PlyCount "81"]
[EventDate "2016.03.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. Bc4 c5 4. d4 cxd4 5. Nxd4 d6 6. Nc3 Nf6 7. Be3 0-0 8. Qd3 Nc6 9. Nxc6 bxc6 10. 0-0 Ng4 11. Bd4 Ne5 12. Bxe5 Bxe5 13. Rad1 Qa5 14. f4 Bxc3 15. bxc3 Bg4 16. Rd2 Bd7 17. Rdf2 Rab8 18. f5 Qc5 19. Kh1 e6 20. fxe6 Bxe6 21. Bxe6 fxe6 22. Rxf8+ Rxf8 23. Rd1 d5 24. Qh3 Qe7 25. Qd3 Qf6 26. exd5 cxd5 27. h3 Qf5 28. Qe2 Kg7 29. c4 Rf7 30. g4 Qf3+ 31. Qxf3 Rxf3 32. Kg2 Rc3 33. cxd5 Rxc2+ 34. Kf3 exd5 35. Rxd5 Rxa2 36. h4 a5 37. Rd7+ Kf6 38. Rxh7 a4 39. g5+ Ke6 40. Rg7 Ke5 41. Rxg6 1/2-1/2

[Event "Cali Parada op 4th"]
[Site "Cali"]
[Date "2015.05.31"]
[Round "7"]
[White "Plazas, Alfonso"]
[Black "Chavez Duero, Brayan Steven"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1988"]
[PlyCount "67"]
[EventDate "2015.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 g6 3. Nf3 Nc6 4. 0-0 Bg7 5. c3 e6 6. d4 cxd4 7. cxd4 Nge7 8. d5 Na5 9. Be2 0-0 10. d6 Nec6 11. Nc3 b6 12. Bg5 f6 13. Bh4 h6 14. Rc1 g5 15. Bg3 f5 16. exf5 exf5 17. Qd5+ Kh7 18. Be5 Bb7 19. Bxg7 Kxg7 20. b4 Nxb4 21. Qd4+ Kh7 22. Qxb4 Nc6 23. Qb1 g4 24. Ne1 Rc8 25. Bxg4 Qg5 26. Bf3 h5 27. Nd5 Rg8 28. h4 Qg6 29. Nf4 Qxd6 30. Qxf5+ Kg7 31. Nxh5+ Kh6 32. Nf6 Kg7 33. Qg5+ Kf7 34. Nxg8 1-0

[Event "Cali Parada op 4th"]
[Site "Cali"]
[Date "2015.05.31"]
[Round "6"]
[White "Quinonez, Fernando"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "E54"]
[BlackElo "1988"]
[PlyCount "72"]
[EventDate "2015.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 e6 2. d4 Bb4+ 3. Nc3 Nf6 4. e3 c5 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 0-0 8. 0-0 a6 9. a3 Bxc3 10. bxc3 b5 11. Be2 Bb7 12. Ne5 Nbd7 13. Bf3 Qc7 14. Bxb7 Qxb7 15. Nf3 c4 16. a4 Ne4 17. Qc2 Nb6 18. axb5 axb5 19. Ba3 Rfb8 20. Rfb1 Na4 21. Bb4 h6 22. Ne5 Nb6 23. Ba5 f6 24. Nf3 Nd7 25. h3 Ra6 26. Ra2 Rba8 27. Rba1 f5 28. Bb4 Ndf6 29. Nh4 Nd5 30. Rxa6 Rxa6 31. Rxa6 Qxa6 32. Qe2 Nxb4 33. cxb4 c3 34. Qd3 Qa1+ 35. Kh2 Qh1+ 36. Kxh1 Nxf2+ 0-1

[Event "Cali Parada op 4th"]
[Site "Cali"]
[Date "2015.05.30"]
[Round "5"]
[White "Plazas, Alfonso"]
[Black "Munoz, Mauricio"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1988"]
[PlyCount "32"]
[EventDate "2015.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Be3 Nf6 7. Nc3 Qd8 8. d5 Ne5 9. Bd4 Ng6 10. Bc4 a6 11. a4 Nf4 12. Qf3 Qc7 13. Bf1 e5 14. dxe6 Bxe6 15. Nge2 Bd6 16. Nxf4 Bxf4 1/2-1/2

[Event "Valle Region-ch qual 3"]
[Site "Cali"]
[Date "2012.04.01"]
[Round "7.4"]
[White "Plazas, Alfonso"]
[Black "Parra Meza, Brayan"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "1988"]
[BlackElo "1794"]
[PlyCount "116"]
[EventDate "2012.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d4 exd4 7. e5 Nd5 8. c3 Nb6 9. cxd4 Nxa4 10. Qxa4 d5 11. exd6 Qxd6 12. Nc3 0-0 13. d5 Nb4 14. Qb3 Bg4 15. a3 Bxf3 16. gxf3 Nd3 17. Ne4 Nc5 18. Nxc5 Qg6+ 19. Kh1 Bxc5 20. Bf4 Qb6 21. Qxb6 Bxb6 22. Rac1 Rac8 23. Kg2 Rfd8 24. Rfd1 Kf8 25. b4 Ke8 26. a4 a5 27. b5 Kd7 28. d6 c6 29. bxc6+ Rxc6 30. Rb1 Rb8 31. Re1 Bd8 32. Re4 g5 33. Be3 b6 34. f4 Rxd6 35. fxg5 Rd5 36. h4 b5 37. Rf4 Ke7 38. Re4+ Kd7 39. Rf4 Ke7 40. axb5 Rbxb5 41. Rxb5 Rxb5 42. Rf6 a4 43. Ra6 Ra5 44. Rxa5 Bxa5 45. Bc5+ Ke6 46. Kf3 Bc3 47. Ke4 Bb2 48. f4 a3 49. f5+ Kd7 50. Bxa3 Bxa3 51. h5 Bf8 52. g6 hxg6 53. fxg6 f6 54. Kf5 Ke7 55. Ke4 Ke6 56. Kf4 Bh6+ 57. Kg4 Ke5 58. Kh4 Kf4 0-1

[Event "Valle Region-ch qual 3"]
[Site "Cali"]
[Date "2012.03.31"]
[Round "4.2"]
[White "Cadavid, Gerardo"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1921"]
[BlackElo "1988"]
[PlyCount "74"]
[EventDate "2012.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Bb7 5. g3 Bb4 6. Bg2 Ne4 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 d6 10. 0-0 Nd7 11. Re1 e5 12. Rb1 0-0 13. c5 Re8 14. Qa4 c6 15. cxd6 Bxd6 16. Qb3 Qc7 17. Ba3 h6 18. Rbd1 Bxa3 19. Qxa3 a6 20. Bh3 exd4 21. Rxd4 Nc5 22. e5 Bc8 23. Bg2 Be6 24. Rd6 Rad8 25. Red1 a5 26. Rxd8 Rxd8 27. Rxd8+ Qxd8 28. Nd4 Bd5 29. Bf1 Qg5 30. f4 Qg6 31. c4 Qe4 32. cxd5 Qxd4+ 33. Kg2 Qxd5+ 34. Kh3 Qd1 35. Kg2 Qd5+ 36. Kh3 g6 37. g4 Qd1 0-1

[Event "Valle Region-ch qual 3"]
[Site "Cali"]
[Date "2012.03.31"]
[Round "3.2"]
[White "Mayorquin Polanco, Nicolas"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1908"]
[BlackElo "1988"]
[PlyCount "132"]
[EventDate "2012.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 Nf6 5. Bg5 c6 6. f4 b5 7. Bd3 b4 8. Nce2 0-0 9. Nf3 Ba6 10. a3 Bxd3 11. Qxd3 bxa3 12. Rxa3 d5 13. e5 Ne4 14. 0-0 Nxg5 15. fxg5 Nd7 16. Rfa1 Qc7 17. c4 e6 18. cxd5 cxd5 19. Nc3 Nb6 20. Nb5 Qb8 21. Rxa7 Rxa7 22. Nxa7 h6 23. h4 hxg5 24. hxg5 Nc8 25. Nxc8 Rxc8 26. b3 Bf8 27. Nh2 Be7 28. Qe3 Qb4 29. Rb1 Rc3 30. Qf4 Rd3 31. Nf3 Rxb3 32. Rxb3 Qxb3 33. Nh2 Qb1+ 34. Kf2 Qc2+ 35. Kg3 Qd3+ 36. Kh4 Bb4 37. Ng4 Be1+ 38. g3 Kf8 39. Nh6 Qe4 40. Qxe4 dxe4 41. Kg4 Bd2 42. Kh3 Bxg5 43. Ng4 Bd2 44. Kg2 Bc3 45. Nf2 Bxd4 46. Nxe4 Bxe5 47. Kf3 Kg7 48. Nd2 f5 49. Nc4 Kf6 50. Nb6 Bd4 51. Nc4 e5 52. Ke2 g5 53. Kf3 g4+ 54. Kg2 Ke6 55. Nd2 Kd5 56. Kh2 Be3 57. Nf1 Bg5 58. Kg2 Ke4 59. Nh2 Kd3 60. Kf2 Bd2 61. Nf1 e4 62. Kg2 e3 63. Nxe3 Kxe3 64. Kh2 Kf3 65. Kh1 Be1 66. Kg1 Bxg3 0-1

[Event "Valle Region-ch qual 3"]
[Site "Cali"]
[Date "2012.03.31"]
[Round "5.1"]
[White "Plazas, Alfonso"]
[Black "Morales, Jhon Alexander"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1988"]
[BlackElo "2327"]
[PlyCount "60"]
[EventDate "2012.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 c5 3. Nc3 a6 4. g3 d6 5. Bg2 Nc6 6. 0-0 Nf6 7. d4 cxd4 8. Nxd4 Bd7 9. Be3 Be7 10. Qe2 0-0 11. Rad1 Qc7 12. f4 Rac8 13. h3 b5 14. a3 Nxd4 15. Bxd4 e5 16. Be3 Qb7 17. Nd5 Nxd5 18. exd5 Bf6 19. f5 b4 20. Rf2 bxa3 21. bxa3 Rc3 22. Kh2 Rfc8 23. Be4 Bb5 24. Qd2 Rxa3 25. g4 Rcc3 26. Re1 Bh4 27. Bg2 Rxe3 28. Rxe3 Rxe3 29. Qxe3 Bxf2 30. Qxf2 f6 0-1

[Event "Valle Region-ch"]
[Site "Cali"]
[Date "2012.03.19"]
[Round "7.5"]
[White "Plazas, Alfonso"]
[Black "Narvaez, Zamir Alexis"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1988"]
[BlackElo "2174"]
[PlyCount "61"]
[EventDate "2012.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Bg7 6. Nc3 Nf6 7. Nb3 d6 8. f3 0-0 9. Qd2 Bd7 10. h4 Ne5 11. 0-0-0 h5 12. Bh6 Rc8 13. Bxg7 Kxg7 14. Kb1 a5 15. f4 Neg4 16. f5 b5 17. Bd3 a4 18. Nd4 a3 19. fxg6 fxg6 20. Nd5 e5 21. Nf3 axb2 22. Rhf1 Ra8 23. Ng5 b4 24. Bc4 Qc8 25. Nb6 Qc5 26. Qxd6 Qxd6 27. Rxd6 Ne3 28. Rfxf6 Be6 29. Rxf8 Kxf8 30. Nxe6+ Ke7 31. Rd7+ 1-0

[Event "Valle Region-ch"]
[Site "Cali"]
[Date "2012.03.18"]
[Round "4.10"]
[White "Plazas, Alfonso"]
[Black "Calero, Hector Andres"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1988"]
[BlackElo "1586"]
[PlyCount "58"]
[EventDate "2012.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Nc3 Bb4 7. Bg5 Qc7 8. Qd3 d6 9. Bxf6 gxf6 10. 0-0-0 Bxc3 11. bxc3 Ke7 12. f4 Nc6 13. g3 Bg4 14. Rd2 Be6 15. f5 Bxb3 16. axb3 Rac8 17. Kb2 b5 18. Be2 b4 19. c4 Nd4 20. Ra1 Rb8 21. Bh5 Rb6 22. Ra4 Ra8 23. Rd1 a5 24. Rda1 Rc6 25. Be2 Rc5 26. Qe3 Nb5 27. g4 Nc3 28. g5 Nxa4+ 29. Rxa4 Rg8 1-0

[Event "Valle Region-ch"]
[Site "Cali"]
[Date "2012.03.17"]
[Round "3.5"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2519"]
[BlackElo "1988"]
[PlyCount "83"]
[EventDate "2012.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nge2 c6 5. g3 Nf6 6. Bg2 0-0 7. 0-0 e5 8. h3 Qc7 9. Be3 Nbd7 10. f4 a6 11. g4 b5 12. Ng3 b4 13. Nce2 Bb7 14. dxe5 dxe5 15. f5 Rad8 16. Qc1 Nb6 17. Bh6 Nc4 18. Kh1 Qd6 19. Bg5 c5 20. c3 Rc8 21. b3 Nb6 22. c4 Rcd8 23. Qe3 Qc7 24. Bh6 Rd6 25. Rf2 Rfd8 26. Bxg7 Kxg7 27. Raf1 Rd3 28. Qc1 Nbd7 29. fxg6 hxg6 30. g5 Nh7 31. Rxf7+ Kg8 32. Nh5 Bxe4 33. Bxe4 Rxh3+ 34. Kg2 Rxh5 35. Ng3 Nxg5 36. Nxh5 Nxf7 37. Bd5 Nf8 38. Rxf7 Qxf7 39. Nf6+ Kg7 40. Bxf7 Kxf7 41. Nd5 Ne6 42. Qf1+ 1-0

[Event "Valle Region-ch"]
[Site "Cali"]
[Date "2012.03.16"]
[Round "1.14"]
[White "Calero, Hector"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "C20"]
[WhiteElo "1578"]
[BlackElo "1988"]
[PlyCount "64"]
[EventDate "2012.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. b3 Nf6 3. Nc3 Bb4 4. Bb2 Nc6 5. f3 0-0 6. Bd3 d5 7. exd5 Nxd5 8. Nxd5 Qxd5 9. Bc4 Qd6 10. c3 Ba5 11. Ne2 Bb6 12. Qc2 Be6 13. Bd3 h6 14. g4 Rad8 15. Bh7+ Kh8 16. 0-0-0 a5 17. a4 g6 18. Bxg6 fxg6 19. Qxg6 Bxb3 20. Qxd6 cxd6 21. Rdf1 Bxa4 22. c4 Nb4 23. Nc3 Nd3+ 24. Kb1 Bb3 25. Nd5 Bc5 26. h4 Bxc4 27. Ne3 Bxe3 28. dxe3 Nxb2 29. Rc1 Rxf3 30. Kxb2 Rf2+ 31. Ka1 b5 32. Rb1 Ra2# 0-1

[Event "Cali Primer Valle"]
[Site "Cali"]
[Date "2012.02.12"]
[Round "7.1"]
[White "Plazas, Alfonso"]
[Black "Herrera, Juan Sebastian"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1995"]
[BlackElo "2177"]
[PlyCount "64"]
[EventDate "2012.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 Bg4 4. e3 Nbd7 5. h3 Bxf3 6. Qxf3 e5 7. d4 e4 8. Qe2 Bd6 9. Nc3 c6 10. 0-0-0 Qe7 11. g4 h6 12. Bg2 Ba3 13. Nb1 Bxb2+ 14. Kxb2 a5 15. a4 b5 16. Nc3 0-0 17. h4 Nb6 18. g5 Qb4 19. Na2 Qd6 20. gxf6 Qxf6 21. axb5 cxb5 22. f3 Rfb8 23. fxe4 Qd6 24. c3 b4 25. c4 a4 26. c5 axb3 27. Kxb3 Qd7 28. Kb2 Nc4+ 29. Kb1 b3 30. Nc3 Qa7 31. Na2 bxa2+ 32. Ka1 Rb1+ 0-1

[Event "Cali Primer Valle"]
[Site "Cali"]
[Date "2012.02.11"]
[Round "5.1"]
[White "Plazas, Alfonso"]
[Black "Arias, Robinson"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1995"]
[BlackElo "1632"]
[PlyCount "73"]
[EventDate "2012.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nb5 Bc5 6. Qd2 Bb6 7. N1c3 Nge7 8. Qf4 Qe5 9. Qxe5 Nxe5 10. Be2 a6 11. Na3 0-0 12. Nc4 Bd4 13. Nxe5 Bxe5 14. Be3 Bxc3+ 15. bxc3 d6 16. Rb1 b6 17. 0-0 Bb7 18. Bd3 f5 19. Bg5 Rae8 20. Bxe7 Rxe7 21. exf5 Rfe8 22. f3 Re5 23. Kf2 Ra5 24. Rfe1 Rxe1 25. Rxe1 Kf8 26. Ra1 Ra3 27. c4 Ke7 28. g4 d5 29. cxd5 Bxd5 30. h4 a5 31. Re1+ Kf8 32. g5 Rxa2 33. f6 gxf6 34. gxf6 h6 35. Re7 Rb2 36. Bg6 Bc6 37. Rxc7 1-0

[Event "Cali Primer Valle"]
[Site "Cali"]
[Date "2012.02.11"]
[Round "4.1"]
[White "Solano, William"]
[Black "Plazas, Alfonso"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1629"]
[BlackElo "1995"]
[PlyCount "69"]
[EventDate "2012.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. h3 g6 4. Bf4 Bg7 5. e3 0-0 6. Nbd2 b6 7. Bc4 Bb7 8. Qe2 a6 9. 0-0 b5 10. Bb3 c5 11. c4 bxc4 12. Bxc4 Nbd7 13. Bh2 d5 14. Bb3 Rc8 15. Rac1 c4 16. Bc2 Qb6 17. Rb1 e6 18. Ne5 Nxe5 19. Bxe5 Ne8 20. Bxg7 Nxg7 21. Nf3 Bc6 22. Ne5 Be8 23. f4 Qa5 24. Ra1 Qb4 25. Rab1 Qa5 26. Ra1 Rb8 27. Rfb1 Qc7 28. Ng4 f6 29. Nh6+ Kh8 30. Qg4 Nf5 31. Bxf5 exf5 32. Qh4 Qe7 33. Kh1 Bd7 34. Kh2 Rb6 35. g4 1/2-1/2

[Event "Cali Primer Valle"]
[Site "Cali"]
[Date "2012.02.10"]
[Round "2.1"]
[White "Calero, Hector Andres"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "1600"]
[BlackElo "1995"]
[PlyCount "56"]
[EventDate "2012.02.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 g6 7. Be3 Bg7 8. Qd2 Nc6 9. Nb3 Be6 10. 0-0-0 Rc8 11. Nd5 0-0 12. g4 Ne5 13. Be2 b5 14. g5 Nxd5 15. exd5 Bf5 16. Nd4 Nc4 17. Bxc4 Bxd4 18. Bd3 Bxd3 19. Qxd3 Bg7 20. h4 Qc7 21. Bd4 Bxd4 22. c3 Bg7 23. h5 b4 24. Kd2 bxc3+ 25. bxc3 Qxc3+ 26. Qxc3 Rxc3 27. Rc1 Rxf3 28. Ke2 Rf5 0-1

[Event "Cali IRT Deptal Valle-ch"]
[Site "Cali"]
[Date "2011.04.21"]
[Round "7.12"]
[White "Plazas, Alfonso"]
[Black "Ibarra, Jose Edinson"]
[Result "0-1"]
[ECO "C62"]
[WhiteElo "1994"]
[PlyCount "96"]
[EventDate "2011.03.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 d6 6. Bb5 Bd7 7. Bxc6 bxc6 8. Qf3 c5 9. Nf5 Bxf5 10. exf5 Rb8 11. 0-0 Be7 12. Qg3 0-0 13. Bh6 Ne8 14. Bc1 Kh8 15. Nd5 Nf6 16. Nxe7 Qxe7 17. Qa3 Rb7 18. Qf3 Qe4 19. Qxe4 Nxe4 20. Re1 Nf6 21. b3 Rbb8 22. Bb2 Rfe8 23. Bxf6 gxf6 24. Kf1 Re5 25. g4 Rbe8 26. Rxe5 fxe5 27. Re1 d5 28. Kg2 Kg7 29. Kg3 Kf6 30. f3 h5 31. h3 hxg4 32. hxg4 Kg5 33. Rh1 e4 34. f4+ Kf6 35. Rh6+ Kg7 36. Rh2 d4 37. g5 a5 38. f6+ Kg8 39. Kf2 a4 40. Ke2 a3 41. f5 Re5 42. Rf2 Kf8 43. g6 fxg6 44. fxg6 Rg5 45. g7+ Kf7 46. Rf4 e3 47. Kd3 Rg2 48. Kc4 Rxc2+ 0-1

[Event "Cali IRT Deptal Valle-ch"]
[Site "Cali"]
[Date "2011.04.20"]
[Round "6.10"]
[White "Cadavid, Gerardo"]
[Black "Plazas, Alfonso"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "1906"]
[BlackElo "1994"]
[PlyCount "35"]
[EventDate "2011.03.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. cxd5 cxd5 6. Nc3 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. Ne5 e6 10. f4 Bd7 11. Bd2 Nxe5 12. fxe5 Ne4 13. Nxe4 dxe4 14. Bb4 Re8 15. Rf4 Bc6 16. Qf1 Qd7 17. Qf2 Bh6 18. Z0 1/2-1/2

[Event "Cali IRT Deptal Valle-ch"]
[Site "Cali"]
[Date "2011.04.18"]
[Round "2.2"]
[White "Carvajal, Nolberto"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "2296"]
[BlackElo "1994"]
[PlyCount "75"]
[EventDate "2011.03.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Nc3 Nf6 7. Bxc6 bxc6 8. Qf3 Be7 9. e5 Nd5 10. Nxd5 cxd5 11. Qxd5 0-0 12. e6 fxe6 13. Nxe6 Bxe6 14. Qxe6+ Kh8 15. 0-0 Bf6 16. Rb1 Re8 17. Qf5 Re5 18. Qd3 Qd7 19. b3 Qg4 20. Bd2 Rae8 21. Rbe1 h6 22. g3 Rxe1 23. Rxe1 Rxe1+ 24. Bxe1 Qe6 25. Bd2 Qe5 26. a4 Qa1+ 27. Kg2 Qe5 28. Bf4 Qc5 29. Be3 Qc6+ 30. f3 a6 31. Qc4 Qe8 32. Bd2 Qc8 33. Qf7 Be5 34. h4 Qb7 35. Ba5 Qc6 36. Qxc7 Qd5 37. Qc8+ Kh7 38. Qxa6 1-0

[Event "Cali IRT Deptal Valle-ch"]
[Site "Cali"]
[Date "2011.04.18"]
[Round "1.11"]
[White "Plazas, Alfonso"]
[Black "Arias, Robinson"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "1994"]
[PlyCount "72"]
[EventDate "2011.03.18"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Bb4+ 5. Nc3 Nf6 6. Bd2 Qe7 7. 0-0-0 d6 8. Bb5 Bd7 9. f3 a6 10. Ba4 0-0-0 11. g4 Bc5 12. Qe1 Nd4 13. g5 Ne8 14. Nd5 Qe6 15. Bb3 Nxb3+ 16. axb3 c6 17. Nf4 Qe7 18. Nd3 Ba7 19. h4 Nc7 20. Ne2 g6 21. Bc3 Qf8 22. Bxh8 Qxh8 23. Nc3 Nb5 24. Nxb5 axb5 25. Kb1 Be6 26. Nf4 Bd4 27. c3 Be5 28. Nxe6 fxe6 29. Qe3 d5 30. exd5 exd5 31. Rhe1 Bg3 32. Re2 Bxh4 33. Qe6+ Rd7 34. Qg4 Qf8 35. Qxh4 Qxf3 36. Qf2 Qxf2 1-0

[Event "Colombia Mire Lea Florida Cup"]
[Site "Colombia"]
[Date "2010.10.18"]
[Round "7.9"]
[White "Plazas, Alfonso"]
[Black "Gomez, Harold"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1994"]
[BlackElo "1582"]
[PlyCount "85"]
[EventDate "2010.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Nbd7 4. 0-0 e5 5. d3 Bd6 6. Nbd2 0-0 7. e4 c6 8. c4 d4 9. a3 a5 10. Rb1 Qe7 11. Nh4 Nc5 12. Ndf3 a4 13. Qe2 h6 14. Bd2 Nb3 15. Be1 Be6 16. Nd2 Nc5 17. Nf5 Qd7 18. Nxd6 Qxd6 19. h3 Qd7 20. Kh2 Nh7 21. f4 f6 22. f5 Bf7 23. Nf3 b5 24. Bb4 Qa7 25. cxb5 cxb5 26. Nh4 Rfc8 27. Ng6 Nf8 28. Nxf8 Rxf8 29. g4 Rfc8 30. h4 Nb3 31. g5 hxg5 32. hxg5 fxg5 33. f6 g6 34. Qg4 Nc5 35. Rbc1 Ne6 36. Qg3 Rxc1 37. Rxc1 Nf4 38. Qxg5 Qd7 39. Qh6 Nh5 40. Bh3 Qe8 41. Be7 Rb8 42. Rg1 Rb6 43. Qxh5 1-0

[Event "Colombia Mire Lea Florida Cup"]
[Site "Colombia"]
[Date "2010.10.17"]
[Round "5.10"]
[White "Plazas, Alfonso"]
[Black "Correa, Cesar Alexis"]
[Result "0-1"]
[ECO "C66"]
[WhiteElo "1994"]
[BlackElo "1637"]
[PlyCount "78"]
[EventDate "2010.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 d6 5. d4 exd4 6. Nxd4 Be7 7. Nc3 Bd7 8. Nf5 Bxf5 9. exf5 0-0 10. Re1 Re8 11. Bg5 Qd7 12. Qd3 a6 13. Ba4 b5 14. Bb3 Ne5 15. Qh3 c5 16. a3 c4 17. Ba2 Nfg4 18. Bxe7 Qxe7 19. Re2 Qg5 20. Rae1 Nf6 21. Bb1 Kf8 22. Qg3 Qxf5 23. f4 Ng6 24. Qf3 Qxf4 25. Qxf4 Nxf4 26. Rxe8+ Rxe8 27. Rd1 d5 28. g3 Ne2+ 29. Kf1 Nxc3 30. bxc3 Re3 31. Kf2 Rxc3 32. Ke2 Rxa3 33. Kd2 Ne4+ 34. Ke1 Nc3 35. Rc1 Ra1 36. Kd2 Rxb1 37. Rxb1 Nxb1+ 38. Kc1 Nc3 39. Kb2 b4 0-1

[Event "Colombia Mire Lea Florida Cup"]
[Site "Colombia"]
[Date "2010.10.17"]
[Round "4.10"]
[White "Quinones, Fernando"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "1595"]
[BlackElo "1994"]
[PlyCount "104"]
[EventDate "2010.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Nf6 4. Nc3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 a6 9. h3 Qc7 10. Qe2 Nc6 11. Nxc6 bxc6 12. Bf4 Nh5 13. Be3 Nf6 14. Rfe1 Rb8 15. b3 a5 16. Rab1 e5 17. f4 Be6 18. Nd1 d5 19. fxe5 Nh5 20. Bf4 Bxe5 21. Bxe5 Qxe5 22. g4 Nf4 23. Qf3 d4 24. Nf2 c5 25. Kh1 c4 26. Kg1 a4 27. Rf1 axb3 28. axb3 cxb3 29. cxb3 Rfc8 30. Nd3 Nxd3 31. Qxd3 Rc3 32. Qd2 Rbxb3 33. Rxb3 Rxb3 34. Rd1 d3 35. Rc1 Qd4+ 36. Kh1 Rb2 37. Qc3 Qxc3 38. Rxc3 Rb1+ 39. Kh2 d2 40. Bf3 d1Q 41. Bxd1 Rxd1 42. Kg3 h6 43. Kf4 Kg7 44. Ke5 Ra1 45. Rg3 Ra5+ 46. Kd4 Kf6 47. h4 Ra4+ 48. Kc5 Rxe4 49. g5+ hxg5 50. hxg5+ Kf5 51. Kd6 Rg4 52. Rf3+ Kxg5 0-1

[Event "Colombia Mire Lea Florida Cup"]
[Site "Colombia"]
[Date "2010.10.17"]
[Round "6.9"]
[White "Ramos, Angel Omar"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "1600"]
[BlackElo "1994"]
[PlyCount "78"]
[EventDate "2010.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 g6 7. Be3 Bg7 8. Qd2 0-0 9. 0-0 Nc6 10. f4 Bd7 11. Rad1 Rc8 12. Nxc6 Bxc6 13. Bf3 Qc7 14. Qf2 b5 15. a3 Qb7 16. e5 dxe5 17. fxe5 Ne4 18. Nxe4 Bxe4 19. c3 Bxf3 20. Qxf3 Qxf3 21. Rxf3 Bxe5 22. Bb6 Rc6 23. Bf2 Rd6 24. Rfd3 Rfd8 25. Rxd6 Rxd6 26. Rxd6 Bxd6 27. h3 f5 28. Kf1 Kf7 29. Ke2 Ke6 30. Kd3 Kd5 31. b4 e5 32. h4 e4+ 33. Kd2 Be5 34. Kc2 Kc4 35. Be1 f4 36. Kb2 e3 37. Kc2 h6 38. Kb2 g5 39. hxg5 hxg5 0-1

[Event "Cali Deptal Valle"]
[Site "Cali"]
[Date "2010.05.17"]
[Round "7"]
[White "Plazas, Alfonso"]
[Black "Gomez, Harold"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2011"]
[PlyCount "73"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Be7 5. d3 0-0 6. Nf3 d6 7. 0-0 Bg4 8. h3 Bd7 9. Kh2 Ne8 10. Nd5 h6 11. b4 Be6 12. Nxe7+ Nxe7 13. b5 f5 14. e3 Kh7 15. a4 Nf6 16. Qc2 c5 17. bxc6 bxc6 18. Bd2 Rb8 19. Rab1 Qc7 20. Rxb8 Rxb8 21. Rb1 Rxb1 22. Qxb1 e4 23. Nd4 Bf7 24. dxe4 Bxc4 25. Nxf5 Nxf5 26. exf5 d5 27. Bc3 Qb6 28. Qa1 c5 29. a5 Qd6 30. Be5 Qa6 31. Qc3 Qc6 32. Qxc4 Qe8 33. Qc3 d4 34. exd4 cxd4 35. Qxd4 Nd7 36. Bxg7 Qe2 37. Qxd7 1-0

[Event "Cali Deptal Valle"]
[Site "Cali"]
[Date "2010.05.16"]
[Round "6"]
[White "Gomez, Ernesto"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "D37"]
[BlackElo "2011"]
[PlyCount "184"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c5 2. e3 e6 3. c4 Nf6 4. Nc3 d5 5. Nf3 Be7 6. Bd3 dxc4 7. Bxc4 0-0 8. 0-0 a6 9. b3 b5 10. Bd3 Bb7 11. Bb2 cxd4 12. Nxd4 Nc6 13. Rc1 Nxd4 14. exd4 Qb6 15. Re1 Rfd8 16. Ne4 Nxe4 17. Bxe4 Bxe4 18. Rxe4 Bf6 19. Rc2 Rd5 20. Rd2 Rad8 21. g3 h6 22. Kg2 e5 23. Qc2 exd4 24. Qd3 g6 25. Qf3 Rf5 26. Qd3 Rfd5 27. Qf3 Kg7 28. Rf4 R8d7 29. Rd3 g5 30. Rf5 Rxf5 31. Qxf5 Qc6+ 32. Qf3 Qe6 33. h3 b4 34. Qd1 Qe4+ 35. Qf3 Qe6 36. Qd1 a5 37. a4 Rd6 38. Qf3 Kg6 39. g4 Kg7 40. Bc1 Rc6 41. Bd2 Rc5 42. Kf1 Qd6 43. Kg2 Qe5 44. Qg3 Qe6 45. Qf3 Qd6 46. Qg3 Be5 47. Qf3 Qc7 48. Qe4 f6 49. Kf1 Rc6 50. Kg2 Rd6 51. Kf1 Qc6 52. Qxc6 Rxc6 53. Ke2 Kf7 54. Kf3 Ke6 55. Ke4 Rc2 56. Kf3 Kd5 57. Ke2 Ke4 58. f3+ Kd5 59. Kd1 Ra2 60. Ke2 Bf4 61. Ke1 Ra1+ 62. Kf2 Ra2 63. Ke1 Bg3+ 64. Kf1 Rb2 65. Be3 Be5 66. Bd2 Kc5 67. Ke1 Kc6 68. Kf1 Kd5 69. Ke1 Ke6 70. Ke2 f5 71. gxf5+ Kxf5 72. Ke1 h5 73. Kf2 Bf4 74. Ke2 Bxd2 75. Rxd2 Rxd2+ 76. Kxd2 Kf4 77. Ke2 Kg3 78. Kd3 Kxf3 79. Kxd4 g4 80. hxg4 hxg4 81. Kc5 g3 82. Kb5 g2 83. Kxa5 g1Q 84. Kxb4 Qb6+ 85. Kc3 Ke4 86. b4 Qc6+ 87. Kb3 Kd4 88. a5 Qb5 89. Ka3 Kc3 90. Ka2 Qa4+ 91. Kb1 Qc2+ 92. Ka1 Qb2# 0-1

[Event "Cali Deptal Valle"]
[Site "Cali"]
[Date "2010.05.16"]
[Round "5"]
[White "Mayorquin Polanco, Nicolas"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1848"]
[BlackElo "2011"]
[PlyCount "57"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Nf6 8. Bg5 Be7 9. Bxf6 gxf6 10. Nd5 Be6 11. c3 f5 12. exf5 Bxf5 13. Nc4 Bf8 14. Qf3 Be6 15. Nf6+ Ke7 16. Rd1 Qc7 17. Nxd6 Rd8 18. Nd5+ Bxd5 19. Nf5+ Ke6 20. Rxd5 Rxd5 21. Bc4 Ne7 22. Ne3 Qc6 23. 0-0 b5 24. Bxd5+ Nxd5 25. Qf5+ Kd6 26. Rd1 Be7 27. Qxf7 Qe8 28. Qxd5+ Kc7 29. Qxe5+ 1-0

[Event "Cali Deptal Valle"]
[Site "Cali"]
[Date "2010.05.15"]
[Round "3"]
[White "Plazas, Alfonso"]
[Black "Gasca, Andres Fernando"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2011"]
[PlyCount "79"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 d6 6. Bg5 Be7 7. Bb5 Bd7 8. Qd2 a6 9. Bxc6 bxc6 10. 0-0-0 c5 11. Nf5 Bxf5 12. exf5 0-0 13. Rhe1 Re8 14. Re2 h6 15. Bh4 Qd7 16. Rde1 Bd8 17. Rxe8+ Nxe8 18. Bxd8 Rxd8 19. g4 Nf6 20. g5 hxg5 21. Qxg5 Nh7 22. Qh5 Nf6 23. Qg5 Nh7 24. Qf4 d5 25. Rg1 f6 26. Rd1 c6 27. h4 Qb7 28. b3 Qe7 29. h5 Ng5 30. Qg3 Nf7 31. f4 Nh6 32. Rg1 Nxf5 33. Qg6 Nd6 34. h6 Ne8 35. hxg7 Qxg7 36. Qxg7+ Nxg7 37. Na4 c4 38. Nc5 cxb3 39. axb3 Kf7 40. Rxg7+ 1-0

[Event "Cali Deptal Valle"]
[Site "Cali"]
[Date "2010.05.15"]
[Round "4"]
[White "Plazas, Alfonso"]
[Black "Ossa, Orlando Jose"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2011"]
[BlackElo "2236"]
[PlyCount "82"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. h3 0-0 6. Bg5 c5 7. Qd2 cxd4 8. Nxd4 Nc6 9. Nb3 Be6 10. Be2 a5 11. a4 Rc8 12. 0-0 Nb4 13. Bf3 Nd7 14. Rac1 Bxb3 15. cxb3 Nc5 16. Rcd1 Nxb3 17. Qe3 Nc2 18. Qd3 Ncd4 19. Bg4 Nc5 20. Qe3 Nde6 21. Bh6 Rc6 22. Bxg7 Nxg7 23. e5 Rb6 24. exd6 exd6 25. Rd2 h5 26. Bf3 Nf5 27. Qf4 Rb4 28. Qh2 Nd4 29. Bd5 Nxa4 30. Rfd1 Qf6 31. Ne4 Qe5 32. f4 Qg7 33. Nxd6 Rd8 34. Bxf7+ Kh7 35. f5 gxf5 36. Bxh5 Nxb2 37. Nxf5 Nxf5 38. Rxd8 Nxd1 39. Rxd1 Ng3 40. Bg4 Qe5 41. Bf3 Qe3# 0-1

[Event "Cali Deptal Valle"]
[Site "Cali"]
[Date "2010.05.14"]
[Round "2"]
[White "Mateus Urbano, Luis Alejandro"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2238"]
[BlackElo "2011"]
[PlyCount "90"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 e6 3. Nf3 d5 4. Nbd2 dxe4 5. Nxe4 Nd7 6. Bd3 Ngf6 7. 0-0 Nxe4 8. Bxe4 Nf6 9. Bd3 Be7 10. Re1 0-0 11. Ne5 c5 12. dxc5 Bxc5 13. Qf3 Bd7 14. Bg5 Bc6 15. Qh3 h6 16. Bxh6 Re8 17. Nxc6 bxc6 18. Bg5 Be7 19. Re3 Qb6 20. b3 Qd4 21. Rae1 Qg4 22. Bh7+ Kf8 23. Bxf6 Qxh3 24. Bxe7+ Kxe7 25. Rxh3 g6 26. Rc3 Rac8 27. Rd3 Rh8 28. Bxg6 fxg6 29. Rde3 Rhd8 30. Rxe6+ Kf7 31. R6e2 Rd7 32. g3 Rcd8 33. Re6 Rd1 34. Kg2 R1d2 35. R6e2 R8d7 36. f4 c5 37. Kf3 R2d4 38. Re4 Rd2 39. R1e2 Rd1 40. Kg4 Ra1 41. a4 Ra2 42. Rc4 Rd5 43. Re5 Rd2 44. Rexc5 Rxh2 45. Rc7+ Ke6 1-0

[Event "Cali Deptal Valle"]
[Site "Cali"]
[Date "2010.05.14"]
[Round "1"]
[White "Plazas, Alfonso"]
[Black "Granja, Norbert"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2011"]
[PlyCount "99"]
[EventDate "2010.05.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 Bf5 4. Bg2 e6 5. c4 c6 6. 0-0 Nbd7 7. cxd5 cxd5 8. Nc3 Bd6 9. Nh4 Bg6 10. Nxg6 hxg6 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Rb8 14. Be3 Nf6 15. Qa4+ Qd7 16. Qxd7+ Kxd7 17. Bf3 Rhc8 18. Rac1 b6 19. Kg2 Rxc1 20. Rxc1 Rc8 21. Rxc8 Kxc8 22. Kf1 Kd7 23. Ke2 Ne8 24. h4 f5 25. Kd3 Nc7 26. a3 e5 27. dxe5 Bxe5 28. Bd4 Kd6 29. Bxe5+ Kxe5 30. Kc4 Kd6 31. b4 b5+ 32. Kd4 g5 33. hxg5 Ne6+ 34. Ke3 Nxg5 35. Be2 Kc6 36. Kf4 Ne4 37. Bf3 Kd6 38. Bxe4 fxe4 39. Kxe4 g6 40. f4 Ke6 41. g4 a6 42. f5+ gxf5+ 43. gxf5+ Kf6 44. Kf4 Kf7 45. Ke5 Ke7 46. f6+ Kf7 47. Kf5 Kf8 48. Ke6 Ke8 49. f7+ Kf8 50. Kf6 1-0

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.30"]
[Round "8.1"]
[White "Plazas, Alfonso"]
[Black "Vargas, Edwin Antonio"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "2022"]
[PlyCount "172"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. Nf3 Nf6 5. g3 c6 6. Bg2 Bd6 7. c5 Bc7 8. 0-0 Nbd7 9. Rb1 0-0 10. b4 e5 11. dxe5 Nxe5 12. e3 Ne4 13. Bb2 Nc4 14. Ba1 a5 15. b5 Qe7 16. bxc6 bxc6 17. Na4 Rd8 18. Bd4 Ba6 19. Re1 Rab8 20. Rb3 Bb5 21. Nc3 a4 22. Rb1 Ba5 23. Nxb5 Bxe1 24. Nxe1 cxb5 25. Nd3 g5 26. Nb4 Rbc8 27. Nd3 Qe8 28. g4 Qd7 29. gxf5 Qxf5 30. Qh5 Qf7 31. Qg4 h5 32. Qe2 Na3 33. Rc1 g4 34. Ne5 Qf5 35. Nd3 Nc4 36. Rf1 Ncd2 37. Rc1 Nf3+ 38. Kh1 Nxd4 39. exd4 Rf8 40. Rf1 Rce8 41. Ne5 Rxe5 42. dxe5 Qxe5 43. Qxb5 Nd2 44. Qd3 Ne4 45. Bxe4 dxe4 46. Qc4+ Kg7 47. c6 Rf3 48. Qa6 Rh3 49. Qa7+ Kg6 50. f4 exf3 51. Qf2 g3 52. Qc2+ Kg7 53. Rg1 g2+ 54. Rxg2+ fxg2+ 55. Qxg2+ Kh6 56. Qxh3 Qa1+ 57. Kg2 Qxa2+ 58. Kg3 Qb3+ 59. Kg2 Qc2+ 60. Kg1 Qxc6 61. Qe3+ Kg6 62. Qd3+ Kg5 63. Qe3+ Kf5 64. Qh3+ Kg6 65. Qd3+ Kh6 66. Qe3+ Kg6 67. Qd3+ Kg7 68. Qd4+ Kh7 69. Qa7+ Kg6 70. Qe3 Qc4 71. Qe8+ Kg5 72. Qe7+ Kf5 73. Qh7+ Kf4 74. Qh6+ Ke4 75. Qxh5 Qc1+ 76. Kg2 Qd2+ 77. Kf1 Qc1+ 78. Ke2 a3 79. Qg6+ Kd4 80. Qd3+ Kc5 81. Qf5+ Kb4 82. Qf8+ Kb3 83. Qb8+ Kc2 84. h4 Qd1+ 85. Kf2 Qd4+ 86. Kg3 a2 0-1

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.29"]
[Round "7.1"]
[White "Mejia Hoyos, Humberto"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "E41"]
[BlackElo "2022"]
[PlyCount "76"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. e3 Bb4 5. Nf3 c5 6. a3 Bxc3+ 7. bxc3 Qa5 8. Bb2 0-0 9. Qc2 Bd7 10. Bd3 dxc4 11. Bxc4 b5 12. Ba2 Bc6 13. Rd1 Be4 14. Qd2 c4 15. Bb1 Bb7 16. 0-0 Nc6 17. Ng5 Ne7 18. f3 b4 19. axb4 Qxg5 20. Ba2 Rac8 21. Bc1 Rfd8 22. Qe2 Qb5 23. Bd2 Ng6 24. Be1 e5 25. dxe5 Nxe5 26. Rxd8+ Rxd8 27. Bh4 Nd3 28. Bxf6 gxf6 29. Rd1 Bd5 30. g3 Be6 31. Qg2 a5 32. bxa5 Qxa5 33. Qc2 Qe5 34. e4 Bh3 35. Bxc4 Qc5+ 36. Kh1 Nf2+ 37. Qxf2 Qxf2 38. Rxd8+ Kg7 0-1

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.29"]
[Round "6.1"]
[White "Plazas, Alfonso"]
[Black "Lopez Idarraga, Daniel Eduardo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2022"]
[BlackElo "1973"]
[PlyCount "90"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 c6 6. cxd5 cxd5 7. Bb5+ Nc6 8. 0-0 Nge7 9. Nc3 0-0 10. Bg5 Bg4 11. Be2 Qb6 12. Na4 Qc7 13. h3 Bh5 14. Nc3 a6 15. Re1 Rad8 16. Rc1 f6 17. Be3 Qb8 18. a3 Kh8 19. Na4 Nf5 20. Nc5 Nxe3 21. fxe3 Rfe8 22. Rc3 Bg3 23. Rf1 Ne7 24. Qb3 Nf5 25. Nxb7 Rxe3 26. Bxa6 Rde8 27. Qxd5 Bxf3 28. Rxf3 Re1+ 29. Rf1 Bh2+ 30. Kh1 Ng3+ 31. Rxg3 Bxg3 32. b4 Qa7 33. Bb5 Qxa3 34. Nd6 Bxd6 35. Qxd6 Qc1 36. Rxe1 Rxe1+ 37. Kh2 Rh1+ 38. Kg3 Qe3+ 39. Kg4 h5+ 40. Kf5 Qg5+ 41. Ke6 Qxb5 42. Kf7 Qb7+ 43. Kg6 Qxg2+ 44. Kf7 Qb7+ 45. Kg6 Rg1+ 0-1

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.28"]
[Round "4.1"]
[White "Giraldo, Francisco Javier"]
[Black "Plazas, Alfonso"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1986"]
[BlackElo "2022"]
[PlyCount "148"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. c3 Nf6 6. Qe2 0-0 7. 0-0 Bg4 8. Rd1 Nd7 9. Bd5 Bf6 10. h3 Bh5 11. g4 Bg6 12. g5 Be7 13. Bxc6 bxc6 14. dxe5 Bh5 15. exd6 Bxd6 16. Be3 Re8 17. Nbd2 Ne5 18. Bd4 Nxf3+ 19. Nxf3 Qxg5+ 20. Nxg5 Bxe2 21. Re1 Bh5 22. e5 Be7 23. Ne4 Bg6 24. Ng3 c5 25. Be3 Rab8 26. b3 a5 27. f4 Bh4 28. Kg2 a4 29. bxa4 c4 30. Bf2 Bd3 31. a5 Ra8 32. Ne4 Be7 33. f5 Rxa5 34. Nf6+ Bxf6 35. exf6 Rxe1 36. Rxe1 gxf6 37. Bd4 Kg7 38. Kf3 Bxf5 39. Rg1+ Bg6 40. h4 h5 41. Rg5 Rxa2 42. Rc5 Bd3 43. Rc6 Ra1 44. Bxf6+ Kh7 45. Be5 Rf1+ 46. Kg2 Rf5 47. Rc5 Kg6 48. Kg3 f6 49. Bd4 Rxc5 50. Bxc5 Kf5 51. Bd4 Be2 52. Kf2 Bd3 53. Kf3 c6 54. Bc5 Be4+ 55. Kg3 Bd5 56. Bd4 Bf7 57. Kf3 Bg6 58. Ke3 Bf7 59. Kf3 Bd5+ 60. Kg3 Ke6 61. Kf4 f5 62. Be5 Be4 63. Bc7 Bc2 64. Bd8 Bd1 65. Bb6 Bg4 66. Bd4 Kd6 67. Be5+ Kc5 68. Bd4+ Kb5 69. Be5 Ka4 70. Bf6 Kb3 71. Be5 Kc2 72. Bf6 Kd3 73. Be5 Ke2 74. Bf6 Kf2 1/2-1/2

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.28"]
[Round "5.1"]
[White "Pelaez, Hernan"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1920"]
[BlackElo "2022"]
[PlyCount "128"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. f4 Nf6 3. Nf3 g6 4. e3 Bg7 5. Bd3 0-0 6. 0-0 Nbd7 7. b4 a5 8. c3 axb4 9. cxb4 c6 10. Nc3 b6 11. Qb3 Bb7 12. a4 Qc7 13. Ne5 e6 14. Rb1 Rfb8 15. Bd2 c5 16. Nb5 Qd8 17. bxc5 bxc5 18. Qa3 Bf8 19. Qa1 c4 20. Bc2 Nxe5 21. fxe5 Ne4 22. Bxe4 dxe4 23. Nc3 Bd5 24. Rxb8 Qxb8 25. Rb1 Qa7 26. Nxd5 exd5 27. a5 Be7 28. Rb5 Qd7 29. Qb1 Bg5 30. h3 c3 31. Bc1 Bd8 32. Qb4 c2 33. Qc5 Rc8 34. Qxd5 Qf5 35. Rc5 Be7 36. Rc6 Bh4 37. Rxc8+ Qxc8 38. Qc5 Qa6 39. Qxc2 Qxa5 40. Bd2 Qd5 41. Bb4 h5 42. Kf1 Qb5+ 43. Qe2 Qxb4 44. g4 hxg4 45. hxg4 Qb1+ 46. Kg2 Qd3 47. Qxd3 exd3 48. Kf3 Be1 49. e4 d2 50. Ke2 Kf8 51. d5 Ke7 52. Kd1 Bg3 53. Kxd2 Bxe5 54. Kd3 Kd6 55. Kc4 g5 56. Kb5 f6 57. Kc4 Kc7 58. Kc5 Bd6+ 59. Kd4 Kd7 60. Kc4 Ba3 61. Kd4 Kd6 62. Kd3 Ke5 63. Ke3 Bc5+ 64. Kd3 Bb6 0-1

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.27"]
[Round "3.1"]
[White "Plazas, Alfonso"]
[Black "Zabala, Fidel"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2022"]
[PlyCount "113"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 c6 5. Nf3 Bg4 6. h3 Bh5 7. 0-0 e6 8. Ne4 Be7 9. Ng3 Bg6 10. Ne5 Nd7 11. Nxg6 hxg6 12. d4 N7f6 13. Re1 Qd6 14. Bb3 0-0-0 15. c4 Nf4 16. Be3 g5 17. Qf3 c5 18. d5 Nd3 19. Red1 Ne5 20. Qe2 g4 21. dxe6 Qxe6 22. Rxd8+ Rxd8 23. Bf4 Nd3 24. Qxe6+ fxe6 25. Bg5 gxh3 26. gxh3 Nxb2 27. Re1 Kd7 28. Re2 Nd3 29. Re3 Nb4 30. Ba4+ Nc6 31. Kg2 Bd6 32. Bxc6+ bxc6 33. Ra3 Bb8 34. Rd3+ Bd6 35. Ra3 Bxg3 36. fxg3 Ra8 37. Rd3+ Kc7 38. Bf4+ Kb6 39. Rb3+ Ka6 40. g4 Rd8 41. Ra3+ Kb7 42. Rb3+ Ka6 43. Ra3+ Kb7 44. Rb3+ Ka6 45. Ra3+ Kb7 46. Rb3+ Ka8 47. Be3 Ne4 48. a4 a6 49. a5 Rb8 50. Rxb8+ Kxb8 51. Kf3 Nd6 52. Bf4 Kc7 53. h4 Kd7 54. Bxd6 Kxd6 55. Ke4 e5 56. h5 Ke6 57. g5 1-0

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.26"]
[Round "1.1"]
[White "Plazas, Alfonso"]
[Black "Giraldo, Diego Leon"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2022"]
[PlyCount "62"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg7 5. Bg5 h6 6. Bh4 c6 7. Be2 0-0 8. 0-0 g5 9. Bg3 Nh5 10. Re1 Nxg3 11. hxg3 Nd7 12. Qd2 Nf6 13. Rad1 Bg4 14. e5 Nd5 15. Nxd5 cxd5 16. Qb4 dxe5 17. dxe5 Bxf3 18. Bxf3 e6 19. c4 a5 20. Qa4 d4 21. c5 Qc7 22. Qxd4 Rfd8 23. Qe4 Qxc5 24. Rc1 Qb6 25. Qxb7 Qxb7 26. Bxb7 Rab8 27. Rc7 Rd2 28. f4 Rxb2 29. Bf3 Rxa2 30. Rd1 Rf8 31. Rdd7 a4 1/2-1/2

[Event "Yumbo Mayor qual"]
[Site "Yumbo"]
[Date "2009.03.08"]
[Round "7"]
[White "Plazas, Alfonso"]
[Black "Chaverra, Bismark"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2025"]
[BlackElo "2203"]
[PlyCount "13"]
[EventDate "2009.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. Bc4 e5 4. Nf3 Nbd7 5. Ng5 Nb6 6. Bxf7+ Ke7 7. Bb3 1-0

[Event "Yumbo Mayor qual"]
[Site "Yumbo"]
[Date "2009.03.06"]
[Round "3"]
[White "Rigonati, Eduardo Santana"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "E68"]
[BlackElo "2025"]
[PlyCount "48"]
[EventDate "2009.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nd7 3. Nf3 g6 4. g3 Bg7 5. Bg2 e5 6. c4 Ngf6 7. Nc3 0-0 8. 0-0 c6 9. d5 c5 10. Be3 a6 11. h3 Rb8 12. Qd3 Nh5 13. Nh4 Nb6 14. Qe2 Bd7 15. a4 Na8 16. Rab1 Nc7 17. b4 b6 18. bxc5 bxc5 19. a5 Na8 20. Rxb8 Qxb8 21. Rb1 Qc7 22. Qb2 Qc8 23. g4 Nf4 24. Ne2 Bxg4 0-1

[Event "Cali op"]
[Site "Cali"]
[Date "2008.12.30"]
[Round "9"]
[White "Diaz Cristian, Camilo"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2048"]
[BlackElo "2025"]
[PlyCount "87"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 c6 3. Nf3 d5 4. Nc3 Nf6 5. e5 Nfd7 6. Bg5 Qa5 7. Bd3 Bb4 8. Bd2 a6 9. a3 Bxc3 10. Bxc3 Qc7 11. Ng5 Nf8 12. Bb4 h6 13. Nf3 Nbd7 14. 0-0 c5 15. Bc3 c4 16. Be2 a5 17. Qd2 Ng6 18. b4 b6 19. b5 0-0 20. a4 f5 21. Bb2 Rf7 22. c3 Ndf8 23. Ba3 Bb7 24. Bd6 Qd8 25. Ne1 Nh7 26. Bh5 Nh8 27. Bxf7+ Nxf7 28. Ba3 Nhg5 29. f3 Kh8 30. h4 Nh7 31. g3 g5 32. Qh2 Qg8 33. Ra2 Bc8 34. Rg2 Ra7 35. g4 f4 36. hxg5 hxg5 37. Qh3 Kg7 38. Rh2 Nh8 39. Kg2 Ng6 40. Qh6+ Kh8 41. Qxg5 Rg7 42. Rfh1 Bd7 43. Qf6 Ngf8 44. Bxf8 1-0

[Event "Cali op"]
[Site "Cali"]
[Date "2008.12.29"]
[Round "7"]
[White "Garcia Alarcon, Alvaro"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2091"]
[BlackElo "2025"]
[PlyCount "121"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. Bf4 Bf5 4. e3 e6 5. c4 Bb4+ 6. Nbd2 c6 7. a3 Bd6 8. c5 Bxf4 9. exf4 Qc7 10. g3 0-0 11. b4 Nbd7 12. Bg2 a5 13. 0-0 Ra7 14. Qb3 axb4 15. axb4 Rfa8 16. Qb2 b5 17. Nb3 h6 18. Rxa7 Rxa7 19. Na5 Be4 20. Nd2 Bf5 21. Ra1 Ra6 22. Nf1 Bg6 23. Ne3 Be4 24. f3 Bg6 25. Bh3 Nf8 26. Qd2 Ra8 27. Qc3 N8d7 28. Nb3 Ra7 29. Ra5 Rxa5 30. bxa5 Nb8 31. f5 exf5 32. Bxf5 Bxf5 33. Nxf5 Na6 34. Qe1 Kf8 35. Kf2 Ng8 36. Qe3 Qd7 37. g4 Ne7 38. Nd6 Qe6 39. Qd2 Qf6 40. Kg3 Ng6 41. Nf5 Ne7 42. Nd6 Ng6 43. Qe3 Qh4+ 44. Kg2 Qe7 45. Qxe7+ Kxe7 46. Kg3 Kf8 47. f4 Ne7 48. f5 g5 49. fxg6 fxg6 50. Kf4 Ng8 51. Ke5 Ke7 52. h3 Nb4 53. Nc8+ Kd8 54. Ke6 Kxc8 55. Kf7 Ne7 56. Kxe7 Kc7 57. Kf6 g5 58. Kg6 Nd3 59. Kxh6 Nf4 60. Kxg5 Nxh3+ 61. Kf5 1-0

[Event "Cali op"]
[Site "Cali"]
[Date "2008.12.29"]
[Round "8"]
[White "Plazas, Alfonso"]
[Black "Sanchez, Victor Hugo"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2025"]
[BlackElo "2170"]
[PlyCount "84"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d3 Bg7 5. h3 0-0 6. Be3 c6 7. Nf3 e5 8. Qd2 d5 9. Bh6 dxe4 10. Bxg7 Kxg7 11. dxe4 Qxd2+ 12. Nxd2 c5 13. Nf3 Nc6 14. 0-0-0 Be6 15. Ng5 Nd4 16. Bd3 Rad8 17. Rhf1 h6 18. Nxe6+ fxe6 19. f4 exf4 20. Rxf4 Nh5 21. Rxf8 Rxf8 22. Ne2 Rf2 23. Nxd4 cxd4 24. Rd2 Nf4 25. Kc2 Rxd2+ 26. Kxd2 Kf6 27. Bf1 Ke5 28. b4 b6 29. a4 g5 30. g3 Nh5 31. c5 bxc5 32. bxc5 Nxg3 33. Bg2 Nh5 34. c6 Kd6 35. e5+ Kc7 36. Kc2 Nf4 37. Be4 h5 38. Bf3 Ng6 39. Bxh5 Nxe5 40. Be8 Nxc6 41. Kd3 Kd6 42. Bxc6 Kxc6 0-1

[Event "Cali op"]
[Site "Cali"]
[Date "2008.12.28"]
[Round "5"]
[White "Plazas, Alfonso"]
[Black "Buitrago, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2025"]
[BlackElo "2169"]
[PlyCount "39"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 b5 6. Bb3 d6 7. h3 Be7 8. 0-0 0-0 9. a3 Be6 10. Bxe6 fxe6 11. d4 exd4 12. Nxd4 Nxd4 13. Qxd4 e5 14. Qd3 c6 15. Bg5 Ne8 16. Bxe7 Qxe7 17. Rad1 Qg5 18. Rfe1 Ra7 19. Re3 Raf7 20. Rg3 1/2-1/2

[Event "Cali op"]
[Site "Cali"]
[Date "2008.12.28"]
[Round "6"]
[White "Plazas, Alfonso"]
[Black "Parada, Norberto Andres"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2025"]
[BlackElo "2114"]
[PlyCount "37"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. h3 Bg7 4. e3 d6 5. Nf3 0-0 6. c4 Nbd7 7. Nc3 c6 8. Be2 Re8 9. 0-0 a6 10. Qc2 e5 11. dxe5 dxe5 12. Bg5 h6 13. Bh4 Qa5 14. a3 e4 15. Nd2 Qf5 16. Rad1 Ne5 17. Ndxe4 Nxe4 18. Qxe4 Qf6 19. f4 1-0

[Event "Cali op"]
[Site "Cali"]
[Date "2008.12.27"]
[Round "3"]
[White "Plazas, Alfonso"]
[Black "Mucoz, Jhon Edison"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2025"]
[BlackElo "2186"]
[PlyCount "88"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 c5 4. d5 d6 5. Nc3 Nf6 6. Nf3 0-0 7. Be2 e6 8. dxe6 Bxe6 9. Bf4 Qb6 10. Qb3 Qc6 11. Qb5 Nxe4 12. Qxc6 Bxc3+ 13. bxc3 Nxc6 14. Rc1 Rad8 15. Ng5 Nxg5 16. Bxg5 f6 17. Bh6 Rfe8 18. 0-0 Na5 19. Rfe1 Bxc4 20. Bf1 Bxf1 21. Kxf1 Kf7 22. Bf4 Nc4 23. h4 Rxe1+ 24. Rxe1 Re8 25. Rd1 Re6 26. g3 Ke7 27. Rd5 Kd7 28. Rd1 Re4 29. Rd5 Kc6 30. Rd1 d5 31. Bh6 b5 32. Bg7 Re6 33. Bh6 a5 34. Bf4 b4 35. cxb4 axb4 36. Rd3 d4 37. Bh6 Kd5 38. Rf3 Ra6 39. Kg2 f5 40. g4 Ne5 41. Rf4 Nxg4 42. Kg3 Rxa2 43. f3 Ne3 44. h5 Nf1+ 0-1

[Event "Cali op"]
[Site "Cali"]
[Date "2008.12.27"]
[Round "4"]
[White "Polo, Victor Ramon"]
[Black "Plazas, Alfonso"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2216"]
[BlackElo "2025"]
[PlyCount "37"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 d6 2. e4 g6 3. Nc3 Bg7 4. Be3 Nd7 5. Nf3 e5 6. Qd2 Ngf6 7. dxe5 dxe5 8. Bh6 0-0 9. Bxg7 Kxg7 10. 0-0-0 Qe7 11. Bc4 Nb6 12. Bb3 c6 13. Rhe1 Bg4 14. Qd6 Rfe8 15. Re3 Rad8 16. Qxe7 Rxd1+ 17. Nxd1 Rxe7 18. Nd2 Be6 19. f3 1/2-1/2

[Event "Cali op"]
[Site "Cali"]
[Date "2008.12.26"]
[Round "1"]
[White "Remicio Duque, John H"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2216"]
[BlackElo "2025"]
[PlyCount "53"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. c4 Nc6 8. Nxc6 bxc6 9. Nc3 h5 10. h3 Bc5 11. Qf3 Bb7 12. Bf4 e5 13. Bg5 Be7 14. Rad1 0-0-0 15. Rd2 d6 16. Rb1 Nh7 17. Be3 Bg5 18. b4 Bxe3 19. Qxe3 Nf6 20. b5 c5 21. bxa6 Bxa6 22. Rdb2 Kd7 23. Qg5 Rhg8 24. Rb6 Ra8 25. Bc2 Rgb8 26. Ba4+ Ke6 27. Nd5 1-0

[Event "Cali op-A"]
[Site "Cali"]
[Date "2002.12.21"]
[Round "5"]
[White "Ossa, Orlando Jose"]
[Black "Plazas, Alfonso"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2188"]
[BlackElo "2500"]
[PlyCount "64"]
[EventDate "2002.11.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. g3 Nf6 3. Bg2 e5 4. Ne2 Bc5 5. 0-0 d6 6. c3 Bg4 7. h3 Bh5 8. d3 h6 9. Nd2 a6 10. g4 Bg6 11. Ng3 h5 12. g5 Nh7 13. h4 Nf8 14. Bf3 Qd7 15. Kg2 0-0-0 16. Nb3 Bb6 17. d4 f6 18. d5 Ne7 19. Nxh5 Bxh5 20. Bxh5 g6 21. Bf3 Rxh4 22. Rh1 Rxh1 23. Qxh1 f5 24. Qh3 Kb8 25. Be3 Bxe3 26. fxe3 fxe4 27. Bxe4 Qb5 28. Rf1 Nxd5 29. Qf3 Ne7 30. c4 Qxc4 31. Bxb7 Nf5 32. Bd5 Qxd5 0-1

[Event "Cali op-A"]
[Site "Cali"]
[Date "2002.12.20"]
[Round "3"]
[White "Plazas, Alfonso"]
[Black "Mateus, Martha"]
[Result "0-1"]
[ECO "E07"]
[BlackElo "2235"]
[PlyCount "50"]
[EventDate "2002.11.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. d4 Nbd7 7. Nbd2 b6 8. cxd5 exd5 9. Ne5 Bb7 10. Ndf3 Re8 11. Qa4 Nxe5 12. Nxe5 Bd6 13. f4 c5 14. e3 Ne4 15. Qb3 Qc7 16. a4 Rab8 17. dxc5 bxc5 18. Bd2 Ba6 19. Rfc1 Re6 20. Qa2 Bxe5 21. fxe5 Qd7 22. Bc3 h5 23. b4 Rg6 24. b5 Bc8 25. Rc2 Qb7 0-1

[Event "Cali op-A"]
[Site "Cali"]
[Date "2002.12.20"]
[Round "1"]
[White "Plazas, Alfonso"]
[Black "Rua, Nora L"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2000"]
[BlackElo "2000"]
[PlyCount "89"]
[EventDate "2002.11.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bf5 3. Bg2 c6 4. 0-0 Nf6 5. d4 e6 6. c4 Nbd7 7. cxd5 exd5 8. Nc3 Bd6 9. a4 a5 10. Nh4 Be6 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Nf6 14. Bg2 0-0 15. Nf3 Bd5 16. Ne5 Bxg2 17. Kxg2 Re8 18. Qb3 Bxe5 19. dxe5 Qd5+ 20. Qxd5 Nxd5 21. Re1 Nb4 22. Re2 Rad8 23. Bd2 Rd5 24. Bc3 Rd3 25. f4 b6 26. Rd2 Rxd2+ 27. Bxd2 Rd8 28. Bc3 Nd5 29. Re1 Nxc3 30. bxc3 Rd2+ 31. Kh3 Rd3 32. Rb1 Rxc3 33. Rxb6 Kf8 34. Ra6 Rc5 35. Ra7 Rd5 36. Kg4 Ke8 37. Kf5 Rd2 38. h4 Rd3 39. g4 Rd4 40. Rxa5 g6+ 41. Kg5 h6+ 42. Kxh6 Rxf4 43. Kg5 Re4 44. h5 gxh5 45. gxh5 1-0

[Event "Cali op-A"]
[Site "Cali"]
[Date "2002.11.20"]
[Round "2"]
[White "Carvajal, Nolberto"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2302"]
[BlackElo "2500"]
[PlyCount "67"]
[EventDate "2002.11.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 e6 3. Nd2 d5 4. Bd3 dxe4 5. Nxe4 Nd7 6. Nf3 Ngf6 7. Qe2 Nxe4 8. Qxe4 Nf6 9. Qe2 Be7 10. Bd2 0-0 11. c4 c5 12. dxc5 Bxc5 13. Bc3 a5 14. 0-0 Be7 15. Rad1 Qc7 16. Ng5 h6 17. Bxf6 Bxf6 18. Nh7 Be7 19. Nxf8 Bxf8 20. Bc2 g6 21. Qd3 b6 22. Ba4 Ba6 23. b3 Bc5 24. Qh3 Kg7 25. Rd7 Qe5 26. Rxf7+ Kg8 27. Qg4 g5 28. Qh5 Bf8 29. Qg6+ Bg7 30. Bd7 Kh8 31. Bxe6 Bc8 32. Bd5 Rb8 33. Rxg7 Qxg7 34. Qe8+ 1-0

[Event "Cali op 5th"]
[Site "Cali"]
[Date "2001.12.18"]
[Round "3"]
[White "Barrios, Felix"]
[Black "Plazas, Alfonso"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2238"]
[PlyCount "33"]
[EventDate "2001.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. Nb3 a5 11. Rc1 a4 12. Nd2 a3 13. b3 Nb4 14. f3 Ne8 15. Ndb1 Nf6 16. Qd2 Qa5 17. Rfd1 1/2-1/2

[Event "Cali op 5th"]
[Site "Cali"]
[Date "2001.12.18"]
[Round "2"]
[White "Plazas, Alfonso"]
[Black "Cardona Marin, Fabio"]
[Result "1/2-1/2"]
[ECO "B01"]
[BlackElo "2168"]
[PlyCount "22"]
[EventDate "2001.12.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nbd7 9. Bc4 e6 10. Nd5 Qd8 11. Ne3 Nb6 1/2-1/2

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.15"]
[Round "6"]
[White "Plazas, Alfonso"]
[Black "Esquivel Golcher, Luis Enrique"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "40"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. b3 Re8 7. Bb2 c6 8. Nbd2 Qc7 9. e4 e5 10. dxe5 dxe5 11. Qe2 b5 12. c4 a6 13. Rac1 Bb7 14. a3 Nbd7 15. cxb5 axb5 16. Rfd1 Nb6 17. b4 Bh6 18. Rc2 Nc4 19. Nf1 Rad8 20. h3 Nd6 0-1

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.12"]
[Round "3"]
[White "Hernandez, Alexander"]
[Black "Plazas, Alfonso"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2269"]
[PlyCount "141"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 g6 5. Nf3 Bg7 6. c3 Nf6 7. Bf4 0-0 8. Nbd2 Nc6 9. h3 Qb6 10. Qb3 Qxb3 11. axb3 Bf5 12. Bb5 Rfc8 13. g4 Be4 14. 0-0 a6 15. Be2 h6 16. b4 g5 17. Bh2 Bg6 18. Nb3 Ne4 19. Ne5 Bh7 20. f3 Nd6 21. Nxc6 Rxc6 22. b5 Rb6 23. Nc5 Nc4 24. b3 Ne3 25. Bc7 Rf6 26. Nxb7 Nxf1 27. Kxf1 Ra7 28. bxa6 Rc6 29. Ba5 e5 30. dxe5 Bxe5 31. Rd1 Bxc3 32. Rxd5 Bxa5 33. Rxa5 Rc1+ 34. Kf2 Rc2 35. Ke1 Rb2 36. Bc4 Bc2 37. Ra3 Kg7 38. Nd6 Rd7 39. Nf5+ Kf6 40. Ne3 Ra7 41. Nxc2 Rxc2 42. Bd3 Rb2 43. Be4 Ke5 44. Kd1 Kd4 45. Kc1 Rh2 46. Bb7 Kc3 47. Kd1 Rxh3 48. Ke2 h5 49. gxh5 Rxh5 50. Ra5 Kxb3 51. Rf5 Kc3 52. Ke3 Rh6 53. Rxg5 Re6+ 54. Kf4 Kd4 55. Rd5+ Kc4 56. Rf5 Re7 57. Rf6 Kd4 58. Rd6+ Kc4 59. Rd8 Kb5 60. Kf5 Kc5 61. f4 Kb6 62. Kf6 Rc7 63. Rf8 Rc4 64. f5 Rc7 65. Rxf7 Rc3 66. Re7 Rg3 67. Kf7 Kc5 68. Rd7 Ra3 69. f6 R3xa6 70. Ke7 Rxf6 71. Kxf6 1/2-1/2

[Event "American Continental 01st"]
[Site "Cali"]
[Date "2001.08.11"]
[Round "2"]
[White "Plazas, Alfonso"]
[Black "Villegas, Juan Carlos"]
[Result "1-0"]
[ECO "D41"]
[PlyCount "61"]
[EventDate "2001.08.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 d5 4. cxd5 cxd5 5. exd5 Nxd5 6. Bc4 e6 7. Nf3 Be7 8. 0-0 0-0 9. d4 Nc6 10. Ne4 Qb6 11. a3 Rd8 12. Re1 Nf6 13. Nxf6+ Bxf6 14. d5 exd5 15. Qxd5 Be6 16. Qb5 Qxb5 17. Bxb5 Rac8 18. Ng5 Nd4 19. Nxe6 fxe6 20. Ba4 b5 21. Bd1 Nc2 22. Bxc2 Rxc2 23. Rb1 Bd4 24. Be3 Bxe3 25. Rxe3 Rxb2 26. Rbe1 Rd6 27. h4 a5 28. Rc1 Rdd2 29. Rxe6 Kf7 30. Re5 Kf6 31. Rg5 1-0

[Event "Abel Cardona op"]
[Site "Cali"]
[Date "2000.12.22"]
[Round "9"]
[White "Plazas, Alfonso"]
[Black "Gomez, Deltel Nazario"]
[Result "1-0"]
[ECO "A42"]
[BlackElo "2214"]
[PlyCount "57"]
[EventDate "2000.12.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 079 Extra"]
[Source "ChessBase"]
[SourceDate "2001.01.11"]
[SourceVersion "2"]
[SourceVersionDate "2001.01.25"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 g6 3. e4 Bg7 4. d4 d6 5. f4 Nd7 6. Nf3 c5 7. Be2 cxd4 8. Nxd4 Ngf6 9. 0-0 Nc5 10. Bf3 0-0 11. Kh1 Ne6 12. Be3 a6 13. Rc1 Rb8 14. b3 Qa5 15. Qd2 Nc5 16. h3 e5 17. Nc2 Qc7 18. Nb4 Re8 19. Nbd5 Nxd5 20. Nxd5 Qc6 21. b4 Ne6 22. f5 Nc7 23. f6 Bf8 24. Bh6 Re6 25. Bxf8 Kxf8 26. Qh6+ Ke8 27. Qxh7 Kd8 28. Qxf7 Qe8 29. Qxc7# 1-0

[Event "Abel Cardona op"]
[Site "Cali"]
[Date "2000.12.21"]
[Round "8"]
[White "Plazas, Alfonso"]
[Black "Valderrama, Jaime"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "65"]
[EventDate "2000.12.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 079 Extra"]
[Source "ChessBase"]
[SourceDate "2001.01.11"]
[SourceVersion "2"]
[SourceVersionDate "2001.01.25"]
[SourceQuality "1"]

1. Nf3 b5 2. g3 Bb7 3. Bg2 e6 4. 0-0 Nf6 5. d3 Be7 6. e4 d6 7. Nc3 a6 8. a4 b4 9. Ne2 0-0 10. Bd2 c5 11. b3 Nc6 12. h4 Nd7 13. Ng5 Bf6 14. Rb1 Nde5 15. f4 Ng4 16. Bh3 Nh6 17. Kh2 Qe7 18. g4 Bd4 19. Ng3 Kh8 20. Nh5 f5 21. exf5 exf5 22. Re1 Qd8 23. gxf5 Nxf5 24. Bxf5 Rxf5 25. Ng3 Rf8 26. Qh5 h6 27. Ne6 Qd7 28. Nxf8 Rxf8 29. Re4 Ne5 30. Rd1 Ng4+ 31. Kg2 Nf2 32. Rde1 Nxe4 33. dxe4 1/2-1/2

[Event "Abel Cardona op"]
[Site "Cali"]
[Date "2000.12.17"]
[Round "3"]
[White "Polo, Vincente"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2215"]
[PlyCount "35"]
[EventDate "2000.12.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 079 Extra"]
[Source "ChessBase"]
[SourceDate "2001.01.11"]
[SourceVersion "2"]
[SourceVersionDate "2001.01.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Be3 0-0 6. Qd2 c6 7. Bh6 b5 8. Bd3 b4 9. Ne2 c5 10. Bxg7 Kxg7 11. dxc5 dxc5 12. e5 Nd5 13. Be4 e6 14. Rd1 Bb7 15. Nf4 Qa5 16. Nh5+ gxh5 17. Qg5+ Kh8 18. Qh6 1-0

[Event "Abel Cardona op"]
[Site "Cali"]
[Date "2000.12.16"]
[Round "1"]
[White "Rios Parra, Mauricio Flores"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "2328"]
[PlyCount "65"]
[EventDate "2000.12.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 079 Extra"]
[Source "ChessBase"]
[SourceDate "2001.01.11"]
[SourceVersion "2"]
[SourceVersionDate "2001.01.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Nxc6 bxc6 7. Bc4 Nf6 8. Nc3 Be7 9. 0-0 0-0 10. Re1 Be6 11. Bb3 Re8 12. e5 dxe5 13. Bxe6 fxe6 14. Rxe5 Qxd1+ 15. Nxd1 Bd6 16. Re2 Rab8 17. Ne3 Nd5 18. Nc4 Rb4 19. b3 Nc3 20. Re3 Nd5 21. Rd3 Be7 22. Bd2 Bf6 23. Re1 Rbb8 24. Ne5 Bxe5 25. Rxe5 Rbd8 26. Kf1 Nf6 27. Ra5 Rxd3 28. cxd3 Rd8 29. Ke2 Ra8 30. Ra6 Kf7 31. Be3 Nd5 32. Rxc6 a5 33. Bd2 1-0

[Event "Cali op-A 3rd"]
[Site "Cali"]
[Date "1999.12.??"]
[Round "5"]
[White "Cardona Marin, Fabio"]
[Black "Plazas, Alfonso"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "53"]
[EventDate "1999.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 0-0 8. Bc4 Nbd7 9. Nge2 Nb6 10. 0-0 Bd7 11. Bg5 Rc8 12. Bxf6 Bxf6 13. Bd3 a5 14. a4 Re8 15. Bb5 e6 16. Bxd7 Nxd7 17. d6 Nb6 18. Nb5 Rc4 19. Qd3 Rb4 20. b3 e5 21. Ng3 exd4 22. Rae1 Nc8 23. Rxe8+ Qxe8 24. Qf3 Kg7 25. Qg4 d3 26. d7 Qe7 27. Nf5+ 1-0

[Event "Cali op-A 3rd"]
[Site "Cali"]
[Date "1999.12.??"]
[Round "4"]
[White "Plazas, Alfonso"]
[Black "Prieto, Ernesto"]
[Result "0-1"]
[ECO "C80"]
[BlackElo "2175"]
[PlyCount "65"]
[EventDate "1999.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. Re1 Nc5 7. Nc3 Nxa4 8. Nxa4 Be7 9. Nxe5 Nxe5 10. Rxe5 0-0 11. Qh5 Bf6 12. Re1 Re8 13. Rxe8+ Qxe8 14. Kf1 b5 15. Nc3 Bb7 16. d3 Qe6 17. Bd2 Qc6 18. Ne4 Bxb2 19. Re1 Qxc2 20. Ng5 Qxd3+ 21. Kg1 Qg6 22. Qe2 f6 23. Nf3 Be5 24. Bb4 Re8 25. Kh1 Re6 26. Qd1 Bc6 27. h3 Qh5 28. Re3 Bxf3 29. Rxf3 Bd6 30. Bc3 b4 31. Bd4 Qd5 32. Rd3 Qxa2 33. Be3 0-1

[Event "Cali Abierto Int"]
[Site "Cali"]
[Date "1998.??.??"]
[Round "5"]
[White "Gonzalez, Miguel2222"]
[Black "Plazas, Alfonso"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2170"]
[PlyCount "74"]
[EventDate "1998.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd1 Qg6 9. Nc3 Nf6 10. f3 0-0 11. Be3 d5 12. Nxd5 Nxd5 13. Qxd5 Be6 14. Qd2 Rad8 15. Bd3 f5 16. 0-0-0 f4 17. Bc5 Rf7 18. Kb1 Rfd7 19. Qe2 Qf7 20. a3 Nd4 21. Bxd4 Rxd4 22. c3 R4d6 23. Bc2 h6 24. g3 b5 25. Rxd6 Rxd6 26. Rd1 Bc4 27. Qf2 Rxd1+ 28. Bxd1 a5 29. Qc5 Qd7 30. Kc1 fxg3 31. hxg3 Qd3 32. Qf2 a4 33. Bc2 Qd6 34. f4 Bb3 35. fxe5 Qxe5 36. Qe3 Qh5 37. Qe1 Qh2 1/2-1/2

[Event "Cali Abierto Int"]
[Site "Cali"]
[Date "1998.??.??"]
[Round "7"]
[White "Plazas, Alfonso"]
[Black "Martinez, R."]
[Result "1/2-1/2"]
[ECO "A28"]
[PlyCount "84"]
[EventDate "1998.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. g3 0-0 7. Bg2 Ne5 8. Qb3 Bc5 9. Nf3 Nxf3+ 10. Bxf3 d6 11. 0-0 Bh3 12. Bg2 Bxg2 13. Kxg2 Rb8 14. Bg5 h6 15. Bf4 Re8 16. Rae1 Qd7 17. e4 Bd4 18. f3 b5 19. cxb5 Bxc3 20. Qxc3 Rxb5 21. Rf2 Nh7 22. b3 Ng5 23. Bxg5 hxg5 24. h3 Rc5 25. Qd4 a5 26. Rd1 Qc6 27. Rfd2 Rb8 28. Re2 Rb4 29. Qe3 a4 30. bxa4 Qxa4 31. Rd5 Rc2 32. Rdd2 Rxd2 33. Rxd2 Qb5 34. Qe2 Qb6 35. Qf2 Qb5 36. Qe2 Qxe2+ 37. Rxe2 Ra4 38. g4 Kf8 39. Kg3 Ra3 40. Rf2 Ke7 41. h4 f6 42. h5 Ke6 1/2-1/2

