[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2017.03.19"]
[Round "6"]
[White "Ribero, Guillermo Andres"]
[Black "Rojas Aroca, Miguel Angel"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1888"]
[PlyCount "79"]
[EventDate "2017.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Be6 7. Be3 Nf6 8. f3 Be7 9. 0-0-0 a6 10. g4 h6 11. Kb1 Qd7 12. h4 0-0-0 13. Nd5 Bxd5 14. exd5 c5 15. dxc6 Qxc6 16. g5 hxg5 17. Bh3+ g4 18. fxg4 Qc5 19. g5+ Nd7 20. Qe4 Qe5 21. Qxe5 dxe5 22. Bb6 g6 23. Bxd8 Rxd8 24. Rxd7 Rxd7 25. Rd1 Bc5 26. Rxd7 Bd4 27. Rxd4+ Kc7 28. Rd5 e4 29. Re5 Kd6 30. Rxe4 b5 31. b4 Kd5 32. Rf4 Ke5 33. Rxf7 Ke4 34. h5 gxh5 35. g6 Kd4 36. Rd7+ Ke4 37. g7 h4 38. g8Q a5 39. Qg4+ Ke5 40. Qf5# 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2017.03.19"]
[Round "7"]
[White "Rojas Aroca, Miguel Angel"]
[Black "Leon Acevedo, Juan Alejandro"]
[Result "0-1"]
[ECO "B52"]
[BlackElo "1667"]
[PlyCount "90"]
[EventDate "2017.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Nce2 Nf6 10. f3 Rd8 11. Bg5 0-0 12. Qd2 Qc7 13. Kh1 Qb6 14. b4 Rfe8 15. c3 d5 16. Nxc6 bxc6 17. e5 Nd7 18. f4 f6 19. exf6 Nxf6 20. Nd4 Ne4 21. Qd3 Bxd4 22. Qxd4 Qxd4 23. cxd4 Rb8 24. a3 Kg7 25. Bh4 Rb6 26. g4 Ra6 27. a4 Rb6 28. Be1 Rf8 29. b5 Rc8 30. Bb4 Rb7 31. Rac1 a6 32. Ba3 axb5 33. axb5 Rxb5 34. Bxe7 Rb2 35. f5 Nf2+ 36. Kg1 Nxg4 37. f6+ Kf7 38. Rfe1 Nxh2 39. Re3 Ng4 40. Ra3 Rb7 41. Re1 Nxf6 42. Bc5 Ne4 43. Rf3+ Kg7 44. Ba3 Rf7 45. Rb3 Nd2 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2017.03.18"]
[Round "4"]
[White "Pena Bermudez, Juan Camilo"]
[Black "Rojas Aroca, Miguel Angel"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1897"]
[PlyCount "77"]
[EventDate "2017.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Nxc6 Bxc6 7. Bxc6+ bxc6 8. c4 Nf6 9. Nc3 Be7 10. 0-0 0-0 11. Qd3 Nd7 12. f4 Nc5 13. Qf3 Qd7 14. Be3 Nd3 15. Qe2 Nb4 16. a3 Na6 17. Rad1 Rfd8 18. Bd4 c5 19. Be3 Qe6 20. f5 Qc8 21. Qg4 g6 22. Bh6 Bf8 23. Nd5 Kh8 24. Qg5 Bxh6 25. Qxh6 Rg8 26. Rd3 Qf8 27. Qh4 g5 28. Qh5 Qg7 29. Rh3 g4 30. Rh4 Qd4+ 31. Kh1 Rg7 32. f6 Rag8 33. fxg7+ Rxg7 34. Nf6 Qxf6 35. Rxf6 Kg8 36. Rxg4 Rg6 37. Rgxg6+ hxg6 38. Qf3 Kh7 39. Rxf7+ 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2017.03.18"]
[Round "5"]
[White "Rojas Aroca, Miguel Angel"]
[Black "Vanegas, Mateo de Jesus"]
[Result "1-0"]
[ECO "B40"]
[BlackElo "1414"]
[PlyCount "89"]
[EventDate "2017.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Bc4 d5 4. exd5 exd5 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. 0-0 Be7 8. d4 c4 9. Nc3 Ngf6 10. Bf4 0-0 11. Ne5 h6 12. Qf3 Nb6 13. Rfe1 Re8 14. Ne2 Bb4 15. c3 Bd6 16. Ng3 Re6 17. Nh5 Qc7 18. Re3 Nbd7 19. Rae1 Rae8 20. Bxh6 Nxe5 21. dxe5 Nxh5 22. exd6 Qxd6 23. Qxh5 gxh6 24. Qg4+ Kh7 25. Rxe6 Rxe6 26. Qf5+ Kh8 27. Rxe6 Qxe6 28. Qxe6 fxe6 29. f4 Kg7 30. Kf2 Kf6 31. g4 e5 32. fxe5+ Kxe5 33. Ke3 b5 34. h4 a5 35. a3 Ke6 36. Kd4 Kd6 37. h5 Ke6 38. Kc5 b4 39. axb4 axb4 40. cxb4 Ke5 41. b5 d4 42. b6 c3 43. bxc3 dxc3 44. b7 c2 45. b8Q+ 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2017.03.17"]
[Round "3"]
[White "Murillo, Oscar"]
[Black "Rojas Aroca, Miguel Angel"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1781"]
[PlyCount "11"]
[EventDate "2017.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2017.03.17"]
[Round "2"]
[White "Rojas Aroca, Miguel Angel"]
[Black "Torres Rojas, Yuber Andres"]
[Result "0-1"]
[ECO "C53"]
[BlackElo "2053"]
[PlyCount "20"]
[EventDate "2017.03.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb6 7. 0-0 Bg4 8. Bxf7+ Kxf7 9. Ng5+ Qxg5 10. Bxg5 Bxd1 0-1

