[Event "Paulisto-ch U12"]
[Site "Sao Paulo"]
[Date "2002.03.??"]
[Round "5"]
[White "Miyabukuro, Eduardo"]
[Black "Vieira, Guilherme"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "43"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. h3 Be6 5. 0-0 Bxc4 6. d3 Be6 7. Nc3 Qe7 8. Be3 b6 9. d4 Bd7 10. Nd5 Qd8 11. b4 Nce7 12. Nc3 f6 13. d5 Bb5 14. Nxb5 Qd7 15. Nc3 0-0-0 16. Qe2 Kb7 17. a4 a5 18. bxa5 bxa5 19. Rab1+ Qb5 20. Qxb5+ Kc8 21. Rfd1 Rd7 22. Qb8# 1-0

[Event "Paulisto-ch U12"]
[Site "Sao Paulo"]
[Date "2002.03.??"]
[Round "6"]
[White "Vieira, Guilherme"]
[Black "Duenas, Bruno"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "44"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. Nf3 Nd7 4. Bf4 h6 5. e3 g5 6. Be5 Rh7 7. Bd3 f5 8. g4 Rf7 9. gxf5 exf5 10. Nxd5 Nxe5 11. dxe5 Qxd5 12. b3 g4 13. Bc4 Qxf3 14. Qxf3 gxf3 15. Bxf7+ Kxf7 16. Rd1 Bb4+ 17. Kf1 f4 18. h3 b6 19. Rd4 Ba6+ 20. Kg1 Nf6 21. Rxf4 Rg8+ 22. Kh2 Rg2# 0-1

[Event "Paulisto-ch U12"]
[Site "Sao Paulo"]
[Date "2002.03.??"]
[Round "2"]
[White "Vieira, Guilherme"]
[Black "Gaspar, Ivan"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "49"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 Nf6 4. Bd3 Bg4 5. Nbd2 e6 6. h3 Bxf3 7. Nxf3 Bb4+ 8. c3 Ba5 9. Bb5 a6 10. Bxc6+ bxc6 11. 0-0 0-0 12. Qa4 Ne4 13. Qc2 Ra7 14. Bd2 Qc8 15. c4 dxc4 16. Bxa5 h6 17. Bb4 f6 18. Bxf8 Kxf8 19. b3 cxb3 20. Qxe4 bxa2 21. Qh7 Ke7 22. Qxg7+ Kd8 23. Qf8+ Kd7 24. Qc5 Kd8 25. Qxa7 1-0

[Event "Paulisto-ch U12"]
[Site "Sao Paulo"]
[Date "2002.03.??"]
[Round "4"]
[White "Vieira, Guilherme"]
[Black "Soriani, Mateus"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "5"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 1-0

[Event "Paulisto-ch U12"]
[Site "Sao Paulo"]
[Date "2002.03.??"]
[Round "1"]
[White "Vieira, Guilherme"]
[Black "Yukemura, Rodrigo"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "42"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nc3 d5 2. e3 Nf6 3. Nf3 e6 4. b3 Bd6 5. Bb2 0-0 6. Be2 c6 7. Nd4 Nbd7 8. h4 e5 9. Rh3 exd4 10. exd4 Re8 11. Rg3 Bxg3 12. fxg3 Nf8 13. Nb1 Qe7 14. Nc3 Ng6 15. a4 Ne4 16. Ra3 Nxc3 17. Bxc3 Qxa3 18. g4 Bxg4 19. h5 Bxh5 20. g3 Qe7 21. Ba5 Bxe2 0-1

[Event "Paulisto-ch U12"]
[Site "Sao Paulo"]
[Date "2002.03.??"]
[Round "3"]
[White "Yamamoto, Paulo de Carvalho"]
[Black "Vieira, Guilherme"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "79"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. Nc3 Be6 5. Bxe6 fxe6 6. 0-0 Nb4 7. a3 Nc6 8. d3 Nge7 9. Bg5 h6 10. Bh4 Nd4 11. Nxd4 exd4 12. Ne2 e5 13. f4 g6 14. f5 g5 15. Bg3 Nc6 16. Nc1 Qf6 17. Qh5+ Kd8 18. Ne2 Ne7 19. c3 c5 20. c4 a6 21. b4 b6 22. bxc5 bxc5 23. Rab1 Kc7 24. Rb3 Nc6 25. Rfb1 Rb8 26. Rxb8 Nxb8 27. Qe8 Be7 28. Qa4 Qf8 29. Qa5+ Kd7 30. Qb6 Qc8 31. Qb7+ Qxb7 32. Rxb7+ Kc8 33. Rxe7 Nc6 34. Re6 Kd7 35. Rg6 Ke7 36. Rg7+ Kf6 37. Rc7 Nd8 38. Ra7 h5 39. Rxa6 Nf7 40. h3 1-0

