[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.29"]
[Round "7"]
[White "Alvarez, David Mauricio"]
[Black "Cuesta Cifuentes, Jair Alfonso"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1873"]
[BlackElo "1945"]
[PlyCount "54"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. h3 Ne7 6. Bd3 Nbc6 7. c3 Bf5 8. 0-0 Qd7 9. Bxf5 Qxf5 10. Be3 f6 11. Nbd2 g5 12. b4 h5 13. b5 Na5 14. Nh2 Qd7 15. Qf3 Nf5 16. a4 g4 17. Qe2 0-0-0 18. Kh1 gxh3 19. gxh3 Rde8 20. Qd3 Qh7 21. Qb1 Qd7 22. Qd3 Nh4 23. f3 Qxh3 24. Rf2 Nf5 25. Re1 Rhg8 26. Ndf1 Bg3 27. Ree2 Bxh2 0-1

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.28"]
[Round "4"]
[White "Alvarez, David Mauricio"]
[Black "Piraquive, Alberto"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1873"]
[BlackElo "1873"]
[PlyCount "63"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 7. Nf3 Bg4 8. Be2 Nd7 9. 0-0 Qc7 10. h3 Be6 11. c4 0-0 12. d5 cxd5 13. cxd5 Bf5 14. Nd4 Be4 15. Bd3 Bxd3 16. Qxd3 Qa5 17. Nf5 Be5 18. f4 Bc7 19. b4 Qa4 20. a3 Rfe8 21. Rac1 Bb8 22. Bc5 Nxc5 23. bxc5 Bxf4 24. Rc4 Be3+ 25. Kh1 Qa6 26. Rd1 Bf2 27. d6 g6 28. d7 gxf5 29. dxe8Q+ Rxe8 30. c6 Bb6 31. c7 Rc8 32. Qxf5 1-0

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.28"]
[Round "5"]
[White "Lizcano, Jair"]
[Black "Alvarez, David Mauricio"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1830"]
[BlackElo "1873"]
[PlyCount "67"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 Nbd7 6. e3 h6 7. Bh4 c6 8. c5 a5 9. a3 0-0 10. Bd3 b6 11. b4 Ba6 12. Bxa6 Rxa6 13. Qd3 Ra8 14. 0-0 b5 15. Bg3 Re8 16. h3 Bf8 17. Ne5 Nxe5 18. Bxe5 Nd7 19. Bh2 e5 20. e4 axb4 21. axb4 Rxa1 22. Rxa1 exd4 23. Qxd4 Qf6 24. Qxf6 Nxf6 25. exd5 Nxd5 26. Nxd5 cxd5 27. Kf1 g5 28. Ra5 Bg7 29. Rxb5 Bc3 30. Rb8 Rxb8 31. Bxb8 Bxb4 32. c6 Ba5 33. c7 Bxc7 34. Bxc7 1-0

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.27"]
[Round "2"]
[White "Alvarez, David Mauricio"]
[Black "Vargas Cristopulus, Daniel Felipe"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1873"]
[BlackElo "1809"]
[PlyCount "63"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 d5 4. Bd3 Bg7 5. 0-0 0-0 6. b3 Nbd7 7. Bb2 e5 8. dxe5 Ng4 9. h3 Ngxe5 10. Nxe5 Nxe5 11. c3 Qh4 12. Be2 g5 13. f4 g4 14. fxe5 gxh3 15. Qd4 Qg3 16. Bf3 hxg2 17. Bxg2 Bxe5 18. Qd2 Qh2+ 19. Kf2 Bg4 20. Rh1 Qg3+ 21. Kf1 Rad8 22. Qf2 f5 23. Nd2 Qxf2+ 24. Kxf2 f4 25. Raf1 c5 26. e4 d4 27. c4 h5 28. Bf3 Rd7 29. Rfg1 Rg7 30. Rxh5 Bxh5 31. Rxg7+ Kxg7 32. Bxh5 1/2-1/2

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.27"]
[Round "3"]
[White "Rojas Castillo, Leibnitz Edison"]
[Black "Alvarez, David Mauricio"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "1707"]
[BlackElo "1873"]
[PlyCount "89"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Bb4 7. Qd2 Nf6 8. f3 d5 9. a3 Bxc3 10. Qxc3 dxe4 11. 0-0-0 Nd5 12. Nxc6 bxc6 13. Qxg7 Qf6 14. Qxf6 Nxf6 15. Bg5 Nd7 16. fxe4 f6 17. Bf4 e5 18. Bh6 Ke7 19. Bc4 Nc5 20. Bg7 Re8 21. Rhe1 Be6 22. Bxe6 Nxe6 23. Bh6 Rg8 24. Rd2 Rad8 25. Rxd8 Nxd8 26. Re2 Rg4 27. h3 Rg6 28. Be3 Ne6 29. c3 Nf4 30. Bxf4 exf4 31. Kd2 Ke6 32. Kd3 Rg3+ 33. Kc4 Ke5 34. Kc5 Re3 35. Rf2 Kxe4 36. Kxc6 f5 37. Kb6 f3 38. gxf3+ Rxf3 39. Rxf3 Kxf3 40. c4 Kg3 41. c5 f4 42. c6 f3 43. c7 f2 44. c8Q f1Q 45. Qxa6 1/2-1/2

