[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.06"]
[Round "9"]
[White "Bracamonte, Humberto"]
[Black "Araujo Miranda, Styven Sandro"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1516"]
[BlackElo "1347"]
[PlyCount "42"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nge2 e6 6. 0-0 Nge7 7. d3 0-0 8. Be3 d6 9. d4 Qa5 10. a3 Qb6 11. dxc5 dxc5 12. Rb1 Rd8 13. Qc1 Qa5 14. Rd1 Nd4 15. b4 Nxe2+ 16. Nxe2 cxb4 17. axb4 Qc7 18. b5 b6 19. Rxd8+ Qxd8 20. Qd1 Bb7 21. Bg5 Qc7 1/2-1/2

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.05"]
[Round "7"]
[White "Araujo Miranda, Styven Sandro"]
[Black "Montevilla Cahuasa, Elias Alejandro"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1347"]
[BlackElo "1326"]
[PlyCount "70"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 e6 4. Nd2 h6 5. Bh4 Be7 6. Bxf6 Bxf6 7. c4 0-0 8. Ngf3 c5 9. Nb3 cxd4 10. Nfxd4 Nc6 11. Rb1 e5 12. Nxc6 bxc6 13. Be2 Bf5 14. Rc1 d4 15. exd4 exd4 16. 0-0 Rc8 17. Bd3 Bxd3 18. Qxd3 c5 19. Rce1 Re8 20. Nc1 a5 21. Ne2 Qb6 22. b3 Qb4 23. Qb1 Rcd8 24. Nf4 Rxe1 25. Rxe1 Qd2 26. Nd5 d3 27. Rd1 Qc2 28. Qxc2 dxc2 29. Rc1 Re8 30. Kf1 Be5 31. Rxc2 Kh7 32. Re2 Re6 33. f4 Bd6 34. Rxe6 fxe6 35. Ne3 Bxf4 0-1

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.03"]
[Round "5"]
[White "Araujo Miranda, Styven Sandro"]
[Black "Mollo, Jhoan"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1347"]
[BlackElo "2023"]
[PlyCount "56"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. c5 Nf6 4. Nf3 g6 5. b4 Bg7 6. Bb2 0-0 7. e3 Bg4 8. Be2 Nbd7 9. Nbd2 Re8 10. 0-0 Qc7 11. Qc2 Bf5 12. Bd3 Bxd3 13. Qxd3 Nh5 14. Rfe1 e5 15. dxe5 Nxe5 16. Bxe5 Bxe5 17. Nxe5 Qxe5 18. Qd4 Qe7 19. g4 Ng7 20. Qf4 Ne6 21. Qg3 Ng5 22. f3 a5 23. h4 Ne6 24. a3 Qf6 25. Nb3 axb4 26. axb4 Rxa1 27. Rxa1 Qb2 28. Qe1 Qxb3 0-1

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.03"]
[Round "4"]
[White "Moreno, Alejandro1"]
[Black "Araujo Miranda, Styven Sandro"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1477"]
[BlackElo "1347"]
[PlyCount "61"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d3 e6 5. 0-0 Be7 6. Be3 a6 7. a4 Nbd7 8. Nc3 0-0 9. h3 b6 10. Nd2 Bb7 11. f4 Qc7 12. Bb3 d5 13. exd5 exd5 14. d4 c4 15. Ba2 Rfe8 16. f5 Bb4 17. Bf4 Bd6 18. Qf3 Bxf4 19. Qxf4 Qxf4 20. Rxf4 Bc6 21. b3 b5 22. a5 b4 23. Nd1 Re2 24. Rf2 Rxf2 25. Kxf2 c3 26. Nf3 Re8 27. Ne3 Bb5 28. Ne5 Ne4+ 29. Kf3 Rxe5 30. Rd1 Nd2+ 31. Kf4 0-1

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.02"]
[Round "3"]
[White "Araujo Miranda, Styven Sandro"]
[Black "Ccerhuayo Escobedo, Mels Leopold"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1347"]
[BlackElo "1820"]
[PlyCount "78"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. a3 a5 5. Bg2 c5 6. c3 Nc6 7. 0-0 Bd6 8. Bg5 h6 9. Bxf6 Qxf6 10. e3 0-0 11. Nbd2 Rd8 12. dxc5 Bxc5 13. b4 Bf8 14. Qc2 e5 15. b5 Na7 16. a4 Be6 17. Qb2 Nc8 18. Rac1 Nb6 19. Rfd1 e4 20. Nd4 Nxa4 21. Qa2 Nc5 22. Bf1 Bg4 23. Re1 Ne6 24. h3 Nxd4 25. cxd4 Be6 26. Nb3 Bb4 27. Re2 b6 28. Rec2 Rdc8 29. Rxc8+ Rxc8 30. Rxc8+ Bxc8 31. Qc2 Qd8 32. Nc1 Bb7 33. Na2 Qc8 34. Nxb4 axb4 35. Qxc8+ Bxc8 36. Be2 Bd7 37. h4 b3 38. Bd1 Bxb5 39. f4 Bd3 0-1

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.02"]
[Round "2"]
[White "Huanca, Edson"]
[Black "Araujo Miranda, Styven Sandro"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1948"]
[BlackElo "1347"]
[PlyCount "68"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nge2 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e6 7. d3 Nge7 8. f4 0-0 9. h3 f5 10. Be3 Rb8 11. Qd2 b5 12. g4 b4 13. Nd1 Qc7 14. Ng3 Bb7 15. Kh2 a5 16. Rb1 Nd4 17. Nf2 d5 18. e5 Nb5 19. Qe2 d4 20. Bd2 Bxg2 21. Kxg2 Qc6+ 22. Kh2 Nc7 23. h4 Ncd5 24. h5 Bh6 25. Nh3 Kh8 26. g5 Bg7 27. h6 Bxh6 28. gxh6 Ng8 29. Rh1 Nxh6 30. Kg1 Ng8 31. Ng5 h6 32. N5e4 Kg7 33. Nf6 Ngxf6 34. exf6+ Rxf6 1/2-1/2

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.01"]
[Round "1"]
[White "Araujo Miranda, Styven Sandro"]
[Black "Zhang, Derek"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1347"]
[BlackElo "2147"]
[PlyCount "56"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. c4 Nf6 4. a3 b6 5. g3 d5 6. Qc2 Bd6 7. c5 bxc5 8. dxc5 Be7 9. b4 0-0 10. Bg2 Ne4 11. Nfd2 Nc6 12. Bb2 Bf6 13. 0-0 Ba6 14. Nxe4 fxe4 15. Bh3 Nd4 16. Bxd4 Bxd4 17. Bxe6+ Kh8 18. Nc3 Bxc3 19. Qxc3 Bxe2 20. Rfe1 d4 21. Qd2 d3 22. Rxe2 dxe2 23. Qxe2 Qf6 24. Qa2 Rae8 25. Bd7 Re7 26. c6 e3 27. f3 e2 28. Re1 Qxf3 0-1

