[Event "Pan American-ch U10"]
[Site "Matinhos"]
[Date "1999.??.??"]
[Round "6"]
[White "Carlo, Daniel"]
[Black "Twardowski, Guilherme"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "50"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. d4 Nc6 3. d5 Nd4 4. Nf3 Nxf3+ 5. Qxf3 d6 6. Bc4 Nf6 7. Nc3 Bg4 8. Qd3 Be7 9. 0-0 0-0 10. h3 Bh5 11. Be3 Qd7 12. Rae1 Bd8 13. f3 Bg6 14. Re2 Rb8 15. Rfe1 Qe7 16. Bg5 h6 17. Bh4 c6 18. b3 Ba5 19. dxc6 bxc6 20. a3 Bxc3 21. Qxc3 Rbd8 22. Bd3 Bh7 23. Qxc6 Rc8 24. Qa6 Rc7 25. Bxf6 gxf6 1-0

[Event "Pan American-ch U10"]
[Site "Matinhos"]
[Date "1999.??.??"]
[Round "5"]
[White "Catelli, Hernan"]
[Black "Twardowski, Guilherme"]
[Result "1-0"]
[ECO "C61"]
[PlyCount "57"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 Nf6 6. e5 Ne4 7. Qf3 Ng5 8. Qb3 a6 9. Bc4 Be7 10. f4 Ne4 11. Bxf7+ Kf8 12. Bd5 Nc5 13. Qg3 Bh4 14. Qa3 Qe7 15. g3 Bxg3 16. hxg3 c6 17. Bg2 Ke8 18. d3 d5 19. exd6 Qxd6 20. Re1+ Kf8 21. Nd2 b6 22. Ne4 Qh6 23. Nxc5 bxc5 24. Qxc5+ Kf7 25. Qe7+ Kg6 26. f5+ Kxf5 27. Qe5+ Kg6 28. Be4+ Bf5 29. Qxf5# 1-0

[Event "Pan American-ch U10"]
[Site "Matinhos"]
[Date "1999.??.??"]
[Round "3"]
[White "Invernizzi Cardozo, Giovanni"]
[Black "Twardowski, Guilherme"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "19"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d6 5. d4 Bg4 6. d5 Nd4 7. Bg2 Be7 8. 0-0 0-0 9. Be3 Bd7 10. h3 0-1

[Event "Pan American-ch U10"]
[Site "Matinhos"]
[Date "1999.??.??"]
[Round "7"]
[White "Twardowski, Guilherme"]
[Black "Hollanda, Luciano Santos"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "27"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Nc3 Bg4 4. Nf3 Nc6 5. Be2 e6 6. h3 Bh5 7. 0-0 Bd6 8. Bd3 Nb4 9. a3 Nxd3 10. cxd3 c6 11. Bd2 0-0 12. Nb5 cxb5 13. b4 b6 14. Qb3 0-1

[Event "Pan American-ch U10"]
[Site "Matinhos"]
[Date "1999.??.??"]
[Round "4"]
[White "Twardowski, Guilherme"]
[Black "Jaimes, Juan Jose"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "112"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d3 d6 5. h3 g6 6. Bg5 Bg7 7. Qc1 Nb4 8. a3 Nc6 9. Be2 0-0 10. Qd2 a6 11. 0-0-0 b5 12. Rhe1 Qa5 13. Na2 Qxd2+ 14. Nxd2 a5 15. Nf3 b4 16. g4 Be6 17. b3 bxa3 18. Rg1 Nb4 19. Kb1 Nxa2 20. Kxa2 a4 21. Rg2 axb3+ 22. cxb3 Rfb8 23. Rb1 h6 24. Bd2 Ne8 25. Bc1 Bb2 26. Bxb2 axb2+ 27. Kxb2 Rxb3+ 28. Kc2 Ra2+ 29. Kc1 Rxb1+ 30. Kxb1 Rxe2 31. Ng1 Rd2 32. Nf3 Rxd3 33. Ne1 Rd1+ 34. Kc2 Rxe1 35. Kd2 Ra1 36. Rg3 Nf6 37. Re3 Ra2+ 38. Kd1 Rxf2 39. Ke1 Rh2 40. Rd3 Nxe4 41. g5 Nxg5 42. Ra3 Rh1+ 43. Ke2 Rh2+ 44. Ke1 Rxh3 45. Ra8+ Kg7 46. Ra2 Bxa2 47. Ke2 e5 48. Ke1 Rh2 49. Kf1 Bc4+ 50. Kg1 Ra2 51. Kh1 Bd3 52. Kg1 Kf6 53. Kh1 Kf5 54. Kg1 Kf4 55. Kh1 f5 56. Kg1 Kf3 0-1

[Event "Pan American-ch U10"]
[Site "Matinhos"]
[Date "1999.??.??"]
[Round "1"]
[White "Twardowski, Guilherme"]
[Black "Vera, I Jorge"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "32"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d3 Nf6 4. Bg5 Be7 5. Bd2 0-0 6. Be2 d6 7. 0-0 Bg4 8. h3 Bxf3 9. Bxf3 Nd4 10. Nc3 Qd7 11. Ne2 Nxf3+ 12. gxf3 Qxh3 13. c3 Qxf3 14. Nc1 Qh3 15. Ne2 Ng4 16. Bf4 exf4 0-1

