[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.15"]
[Round "4"]
[White "Aaron Alvarez, David A"]
[Black "Manrique Bermudez, Josue"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1319"]
[PlyCount "70"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 Be7 5. Be2 0-0 6. 0-0 Nbd7 7. Nc3 c5 8. Re1 b6 9. Qd2 Bb7 10. Rad1 Re8 11. Ne5 Nxe5 12. Bxe5 Bd6 13. Bxd6 Qxd6 14. dxc5 Qxc5 15. Bf3 Rad8 16. Qd4 Qxd4 17. Rxd4 e5 18. Rdd1 Ne4 19. Nb5 a6 20. Nc7 Re7 21. Nxa6 Nxf2 22. Kxf2 Bxa6 23. e4 d4 24. c3 d3 25. Re2 Red7 26. Red2 Bc4 27. b3 Ba6 28. c4 b5 29. Bg4 Rd4 30. cxb5 Bxb5 31. Rc1 Rxe4 32. Bf3 Rf4 33. Ke3 f5 34. g3 Rb4 35. Be2 Re4+ 0-1

[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.14"]
[Round "2"]
[White "Aaron Alvarez, David A"]
[Black "Norena Marin, Jeronimo"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1322"]
[PlyCount "70"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. Nf3 Bc5 5. Ng5 0-0 6. 0-0 h6 7. Nf3 d6 8. d3 Bg4 9. h3 Bxf3 10. Qxf3 Nd4 11. Qg3 Nh5 12. Qg4 Nf4 13. g3 Ng6 14. Bxh6 gxh6 15. h4 Qf6 16. h5 Kg7 17. hxg6 Qxg6 18. Qxg6+ fxg6 19. Rac1 Bb4 20. Nd5 Ne2+ 21. Kg2 Nxc1 22. Nxb4 Ne2 23. Re1 Nd4 24. c3 Nf3 25. Re3 Ng5 26. Nd5 c6 27. Nc7 Rac8 28. Ne6+ Nxe6 29. Bxe6 Rce8 30. Bd7 Re7 31. Bh3 Ref7 32. Re2 g5 33. Be6 Rf3 34. Bc4 b5 35. Bb3 Rxd3 0-1

[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.14"]
[Round "3"]
[White "Cabrera Novoa, Emanuel"]
[Black "Aaron Alvarez, David A"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1306"]
[PlyCount "43"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 Nf6 5. f4 a6 6. a4 g6 7. Nf3 Nxf3+ 8. Qxf3 d6 9. h3 Bg7 10. d3 0-0 11. 0-0 Nd7 12. Kh1 e5 13. f5 Bh8 14. fxg6 hxg6 15. Bh6 Bg7 16. Bxg7 Kxg7 17. Nd5 Nb6 18. Nxb6 Qxb6 19. Qf6+ Kh7 20. Bxf7 Qc7 21. Qxg6+ Kh8 22. Qh6# 1-0

[Event "COL-ch U20"]
[Site "Medellin"]
[Date "2019.03.13"]
[Round "1"]
[White "Gomez Rondon, Samuel"]
[Black "Aaron Alvarez, David A"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1685"]
[PlyCount "47"]
[EventDate "2019.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. e5 Ng8 7. Be3 e6 8. Nc3 b6 9. 0-0-0 Bc5 10. Qe4 d5 11. exd6 Rb8 12. d7+ Bxd7 13. Rxd7 Bxe3+ 14. fxe3 Qg5 15. Bb5 Kf8 16. Qb4+ Ne7 17. Qd6 g6 18. Qxb8+ Kg7 19. Qf4 Qxg2 20. Qe5+ Kh6 21. Qxh8 Qxh1+ 22. Rd1 Qf3 23. Qf8+ Kg5 24. Qxe7+ 1-0

