[Event "BRA-ch U20 32th"]
[Site "Sao Paulo"]
[Date "2005.09.??"]
[Round "4"]
[White "Arruda, William Batista"]
[Black "Choma, Ernani Francisco"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2127"]
[BlackElo "2281"]
[PlyCount "76"]
[EventDate "2005.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bg4 5. c3 Qb6 6. Na3 a6 7. Ba4 Qc7 8. d4 b5 9. Bc2 e5 10. d5 Nce7 11. Bb1 g6 12. Nc2 Bg7 13. Ne3 Bc8 14. a4 Rb8 15. axb5 axb5 16. c4 b4 17. Bc2 Nf6 18. Ba4+ Bd7 19. Bxd7+ Nxd7 20. Ra6 Nb6 21. Qb3 0-0 22. Bd2 Ra8 23. Rfa1 Rxa6 24. Rxa6 Qb7 25. Qa2 Nec8 26. g4 h6 27. Qa5 Rd8 28. Qb5 Rd7 29. Nc2 Qb8 30. Be3 Kh7 31. b3 Ra7 32. Qa5 Rxa6 33. Qxa6 Qa8 34. Qxa8 Nxa8 35. Nfe1 Nc7 36. Nd3 Na6 37. Kg2 g5 38. Kg3 Bf6 1/2-1/2

[Event "BRA-ch U20 32th"]
[Site "Sao Paulo"]
[Date "2005.09.??"]
[Round "8"]
[White "Arruda, William Batista"]
[Black "Gomez, Gustavo Pizzocaro"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2127"]
[BlackElo "1981"]
[PlyCount "66"]
[EventDate "2005.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 d6 8. c3 0-0 9. Re1 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. Nf1 Qc7 13. a4 Bb7 14. Ne3 Rfd8 15. Nf5 d5 16. Qe2 dxe4 17. dxe4 b4 18. Bg5 Ne8 19. Bb3 Nf6 20. Qc4 Rf8 21. Bxf6 Bxf6 22. Qxc5 bxc3 23. bxc3 Rac8 24. Bd5 Na5 25. Qxc7 Rxc7 26. Bxb7 Nxb7 27. Ne3 Rxc3 28. Nd5 Rc4 29. Red1 Rc6 30. Nxf6+ gxf6 31. Kf1 Rcc8 32. Ke1 Rfd8 33. Rac1 Na5 1/2-1/2

[Event "BRA-ch U20 32th"]
[Site "Sao Paulo"]
[Date "2005.09.??"]
[Round "6"]
[White "Arruda, William Batista"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2127"]
[PlyCount "149"]
[EventDate "2005.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bc4 0-0 9. 0-0 b6 10. Re1 Ba6 11. Bxd5 exd5 12. Nxd5 Qxd5 13. Rxe7 Nc6 14. Re1 Rfd8 15. Be3 Rac8 16. Qd2 Qa5 17. Qxa5 Nxa5 18. Rec1 Rxc1+ 19. Rxc1 Rc8 20. Rxc8+ Bxc8 21. Kf1 Be6 22. b3 Nc6 23. Bd2 Bd5 24. Ke2 Kf8 25. Kd3 Ke7 26. Ne1 Ke6 27. f3 Ne7 28. Bf4 Bb7 29. Nc2 Ba6+ 30. Kd2 Bf1 31. Ne3 Bb5 32. a4 Bc6 33. Bb8 a6 34. Nc4 b5 35. axb5 axb5 36. Ne5 f6 37. Nd3 Nd5 38. Nc5+ Ke7 39. Ne4 Ke6 40. g4 Ne7 41. Kd3 Nd5 42. Bg3 Nb4+ 43. Kc3 Nd5+ 44. Kd2 Nb4 45. Be1 Nd5 46. Kc2 Ne7 47. Kd3 Nd5 48. Bd2 Ne7 49. f4 g6 50. h4 Bxe4+ 51. Kxe4 f5+ 52. gxf5+ gxf5+ 53. Kd3 Nd5 54. Ke2 Nc7 55. Kd3 Kd5 56. Kc3 Ke4 57. Kb4 Kd3 58. Bc1 Kxd4 59. Bb2+ Ke4 60. Be5 Nd5+ 61. Kxb5 Nxf4 62. Bd6 Nd5 63. Kc5 f4 64. b4 f3 65. Bg3 Nc3 66. b5 Ke3 67. b6 Na4+ 68. Kb5 Nxb6 69. Kxb6 f2 70. Bxf2+ Kxf2 71. Kc5 Kg3 72. h5 Kg4 73. h6 Kg5 74. Kd4 Kxh6 75. Ke3 1/2-1/2

[Event "BRA-ch U20 32th"]
[Site "Sao Paulo"]
[Date "2005.09.??"]
[Round "2"]
[White "Arruda, William Batista"]
[Black "Quintiliano Pinto, Renato Rodrigues"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2127"]
[PlyCount "67"]
[EventDate "2005.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. h3 0-0 8. Nf3 Re8 9. Be2 Bf5 10. 0-0 N8d7 11. a4 a5 12. Bf4 Nf8 13. Rc1 Ng6 14. Bg3 Bf6 15. Qd2 c6 16. Rfd1 Qe7 17. Bf1 Qd7 18. c5 dxc5 19. dxc5 Qxd2 20. Rxd2 Bxc3 21. Rxc3 Nxa4 22. Rc4 b5 23. cxb6 Nxb6 24. Rxc6 Nd7 25. Rc7 Nf6 26. Ng5 Ne4 27. Nxe4 Rxe4 28. f3 Ree8 29. Bc4 Re7 30. Bd5 Rc8 31. Rxc8+ Bxc8 32. Bc6 Nf8 33. Rd8 Bd7 34. Bd6 1-0

[Event "BRA-ch U20 32th"]
[Site "Sao Paulo"]
[Date "2005.09.??"]
[Round "3"]
[White "Diamant, Andre"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2226"]
[BlackElo "2127"]
[PlyCount "126"]
[EventDate "2005.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 d6 6. e3 Nbd7 7. Be2 c6 8. 0-0 Qa5 9. a3 e5 10. b4 Qc7 11. Qc2 Re8 12. Rfd1 Nf8 13. c5 dxc5 14. dxc5 Bf5 15. e4 Bg4 16. Nd2 Bxe2 17. Nxe2 Ne6 18. Bxf6 Bxf6 19. Nc4 Nd4 20. Nxd4 exd4 21. Qd3 Re6 22. Ra2 b6 23. cxb6 axb6 24. Rc2 c5 25. bxc5 bxc5 26. g3 Qb7 27. f3 Ra4 28. Rb2 Qa6 29. Rb8+ Kg7 30. Rc1 Be5 31. Rd8 Bc7 32. Rd5 Qb5 33. Kf2 Rd6 34. Qxd4+ cxd4 35. Rxb5 Rc6 36. Rb4 Ra8 37. Rbb1 Rc8 38. Ke2 Bd6 39. Kd3 Bxa3 40. Rc2 Bc5 41. Rb7 R8c7 42. Ne5 Bd6 43. Rxc7 Rxc7 44. Rxc7 Bxc7 45. Nc4 h5 46. Kxd4 h4 47. e5 hxg3 48. hxg3 f6 49. Nd6 fxe5+ 50. Kxe5 Ba5 51. Ne4 Bc7+ 52. Ke6 Bb6 53. Nd6 Ba7 54. Ne4 Bb8 55. Ke7 Ba7 56. g4 Be3 57. Nd6 Bd2 58. Ne4 Bc1 59. Nd6 Be3 60. Ne8+ Kh6 61. Nf6 Kg5 62. Nd5 Bc1 63. Kf7 Bb2 1/2-1/2

[Event "BRA-ch U20 32th"]
[Site "Sao Paulo"]
[Date "2005.09.??"]
[Round "1"]
[White "Ferreira Brandet, Rodrigo Maycon Mira"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "E74"]
[BlackElo "2127"]
[PlyCount "60"]
[EventDate "2005.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 b5 8. cxb5 a6 9. b6 Qxb6 10. Qd2 Nbd7 11. Nf3 e6 12. dxe6 fxe6 13. Bc4 Re8 14. 0-0 Qb4 15. Bb3 c4 16. Qd4 Bb7 17. Rfe1 Nxe4 18. Qxc4 Qxc4 19. Bxc4 Nxc3 20. Bxe6+ Rxe6 21. Rxe6 Ne4 22. Re7 Ndc5 23. Bh4 h6 24. Rb1 a5 25. a3 a4 26. Re1 Rb8 27. Rc7 Bxb2 28. Rb1 Ba6 29. Be7 Bd3 30. Re1 Bxa3 0-1

[Event "BRA-ch U20 32th"]
[Site "Sao Paulo"]
[Date "2005.09.??"]
[Round "5"]
[White "Gazel Pereira, Frederico"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "B21"]
[BlackElo "2127"]
[PlyCount "113"]
[EventDate "2005.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nf6 3. d3 Nc6 4. e4 g6 5. Be2 Bg7 6. 0-0 0-0 7. e5 Nd5 8. Nc3 Nxc3 9. bxc3 d6 10. d4 dxe5 11. fxe5 Bg4 12. h3 Bxf3 13. Bxf3 Qa5 14. Bb2 Rad8 15. Bxc6 bxc6 16. Qc1 cxd4 17. cxd4 c5 18. c3 cxd4 19. cxd4 Rc8 20. Qe1 Qxe1 21. Raxe1 Rfd8 22. Rc1 f5 23. g4 e6 24. gxf5 gxf5 25. Rxc8 Rxc8 26. Rc1 Rxc1+ 27. Bxc1 Kf7 28. Kf2 Ke8 29. Ke2 Kd7 30. Kd3 Kc6 31. Kc4 Bf8 32. Bg5 h5 33. h4 Ba3 34. Be3 Be7 35. Bg5 Bxg5 36. hxg5 Kd7 37. g6 Ke7 38. d5 exd5+ 39. Kxd5 h4 40. g7 Kf7 41. g8Q+ Kxg8 42. Kd6 Kf7 43. Kd7 h3 44. e6+ Kf6 45. e7 h2 46. e8Q h1Q 47. Qe7+ Kg6 48. Qd6+ Kh5 49. Ke6 Qe4+ 50. Kf6 Kg4 51. Qd1+ Kf4 52. Qf1+ Ke3 53. Qxf5 Qxf5+ 54. Kxf5 Kd4 55. a4 a5 56. Kf4 Kc4 57. Ke3 1/2-1/2

[Event "BRA-ch U20 32th"]
[Site "Sao Paulo"]
[Date "2005.09.??"]
[Round "9"]
[White "Mousse Neto, Sebastiao Alberto"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "B73"]
[BlackElo "2127"]
[PlyCount "68"]
[EventDate "2005.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. 0-0 Nc6 9. Qd2 Ng4 10. Bxg4 Bxg4 11. f4 Be6 12. f5 Bc4 13. Rf2 Ne5 14. h3 b5 15. b3 b4 16. Nce2 Bxe2 17. Qxe2 Rc8 18. a4 Qc7 19. Rd1 Qb7 20. Bg5 h6 21. Bc1 g5 22. f6 exf6 23. Nf5 Rc6 24. Nxd6 Qb8 25. Nf5 Re8 26. Bb2 Ng6 27. Qh5 Rxe4 28. Rfd2 Kh7 29. Rd7 Qe8 30. R7d6 Re1+ 31. Kh2 Rxc2 32. Nxg7 Rxg2+ 33. Kxg2 Qe4+ 34. Kh2 Qh1+ 0-1

[Event "BRA-ch U20 32th"]
[Site "Sao Paulo"]
[Date "2005.09.??"]
[Round "7"]
[White "Utiyama, Marcel Heimar Ribei"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B79"]
[BlackElo "2127"]
[PlyCount "86"]
[EventDate "2005.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Qa5 11. Bb3 Ne5 12. h4 Rfc8 13. h5 Rxc3 14. bxc3 Nxh5 15. Bh6 Bxh6 16. Qxh6 Rc8 17. Rxh5 gxh5 18. Ne2 Rc5 19. Rh1 Ng6 20. f4 Bg4 21. f5 Ne5 22. Rxh5 Bxh5 23. Qxh5 Rxc3 24. Nxc3 Qxc3 25. Qe2 Qa1+ 26. Kd2 Qd4+ 27. Kc1 a6 28. Bd5 b5 29. Qe1 Nc4 30. Bxc4 bxc4 31. c3 Qd3 32. Kb2 Kg7 33. Ka3 e6 34. e5 exf5 35. exd6 Qxd6+ 36. Kb2 Kg6 37. Qe3 Qd3 38. Qb6+ Kg5 39. Qf2 f4 40. Qc5+ Kg4 41. Qc8+ Kh4 42. Qa8 Qd2+ 43. Kb1 Kg3 1-0

[Event "Paulista-ch"]
[Site "Americana"]
[Date "2005.07.03"]
[Round "6"]
[White "Sarmento, Katia Maia"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1962"]
[BlackElo "2129"]
[PlyCount "108"]
[EventDate "2005.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Be3 cxd4 6. cxd4 Nf6 7. Nf3 Be7 8. Bd3 0-0 9. 0-0 Nc6 10. Nc3 Qa5 11. Rc1 Bd7 12. Bb1 Rfd8 13. a3 Be8 14. Qc2 Rac8 15. Rfd1 g6 16. Qe2 a6 17. Ng5 Nxd4 18. Bxd4 Qxg5 19. Be3 Qg4 20. f3 Qh5 21. Ne4 Bb5 22. Rxd8+ Rxd8 23. Qe1 Bc6 24. Bb6 Rc8 25. Kh1 Nxe4 26. Bxe4 Bd6 27. Bg1 Qe5 28. Qd1 f5 29. Bxc6 bxc6 30. Qa4 Qb5 31. Qd4 Qd5 32. Qa4 a5 33. Rd1 Qe5 34. Qh4 Qf4 35. Qe1 Qe5 36. Qh4 c5 37. Re1 Qd5 38. Qa4 Be5 39. Qc2 Rb8 40. Rb1 Bd4 41. Rd1 e5 42. h3 Qb3 43. Rc1 Qxc2 44. Rxc2 Rxb2 45. Rxb2 Bxb2 46. Bxc5 a4 47. Kh2 Kf7 48. Kg3 Ke6 49. Bb4 Kd5 50. Kf2 Kc4 51. Bd6 Kb3 52. Ke3 Bxa3 53. Bxe5 Bb4 54. Kf4 a3 0-1

[Event "Paulisto-ch"]
[Site "Americana"]
[Date "2005.07.02"]
[Round "5"]
[White "Arruda, William Batista"]
[Black "De Toledo, James Mann"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2129"]
[BlackElo "2373"]
[PlyCount "42"]
[EventDate "2005.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 e5 7. Nc3 Nge7 8. a3 0-0 9. Rb1 a5 10. Be3 a4 11. Qd2 Nd4 12. Ne1 Be6 13. f4 exf4 14. gxf4 f5 15. Qf2 Qd7 16. Nf3 Nxf3+ 17. Bxf3 Rab8 18. Rbe1 b6 19. h4 d5 20. exd5 Nxd5 21. Bd2 Bd4 0-1

[Event "Paulisto-ch"]
[Site "Americana"]
[Date "2005.07.02"]
[Round "4"]
[White "Galati, Mario Augusto"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2244"]
[BlackElo "2129"]
[PlyCount "67"]
[EventDate "2005.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 Na6 7. h4 e5 8. d5 c6 9. h5 cxd5 10. cxd5 Bd7 11. hxg6 fxg6 12. f3 Qa5 13. Qd2 Nc7 14. Rb1 b5 15. b4 Qa6 16. a4 Qb7 17. a5 Nh5 18. Nh3 Nf4 19. Nxf4 exf4 20. Bd4 Ne8 21. Bxg7 Nxg7 22. Bf1 Nh5 23. Ne2 Rac8 24. Nd4 Rfe8 25. Be2 a6 26. Rxh5 gxh5 27. Qxf4 Re5 28. Qf6 Qc7 29. Rb3 Rf8 30. Qh6 Qa7 31. Rd3 Qc7 32. Rb3 Rc8 33. Qf6 Rf8 34. Qh6 1/2-1/2

[Event "Paulista-ch"]
[Site "Americana"]
[Date "2005.07.01"]
[Round "3"]
[White "Arruda, William Batista"]
[Black "Jukemura, Leandro"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2129"]
[BlackElo "1893"]
[PlyCount "77"]
[EventDate "2005.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d3 e6 4. g3 d6 5. Bg2 Ne7 6. 0-0 g6 7. c3 Bg7 8. Re1 Nbc6 9. d4 0-0 10. dxc5 dxc5 11. Be3 b6 12. Qxd8 Rxd8 13. Nbd2 Rb8 14. Rad1 Bb7 15. Nc4 b5 16. Nd6 c4 17. Bc5 Nc8 18. Nxb7 Rxd1 19. Rxd1 Rxb7 20. e5 Rb8 21. Ng5 N8e7 22. Rd7 Nd5 23. f4 b4 24. cxb4 Ncxb4 25. Bd6 Rc8 26. Nxf7 Nd3 27. Rd8+ Rxd8 28. Nxd8 Nxb2 29. Nxe6 Ne3 30. Be4 c3 31. Nd4 Nbc4 32. Bc5 Nd2 33. Bd3 Nd5 34. Ba3 g5 35. Bxa6 gxf4 36. Bb7 Bf8 37. Bxf8 Kxf8 38. Ne2 c2 39. Kf2 1-0

[Event "Paulista-ch"]
[Site "Americana"]
[Date "2005.07.01"]
[Round "2"]
[White "Fernandes, Felipe Salles"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2129"]
[PlyCount "72"]
[EventDate "2005.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bc4 0-0 6. 0-0 Nc6 7. c3 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qe2 Qe7 11. Nf3 c6 12. a4 a5 13. b3 Nh5 14. Be3 Nf4 15. Qc2 Bg4 16. Ne1 Rfd8 17. Bb6 Rd7 18. f3 Be6 19. Bxe6 Nxe6 20. Rd1 c5 21. b4 axb4 22. cxb4 cxb4 23. Nd3 Nd4 24. Qa2 b3 25. Qb2 Rxa4 26. Bxd4 Raxd4 27. Qxb3 Qd8 28. Nb2 Rxd1 29. Rxd1 Rxd1+ 30. Nxd1 Qd4+ 31. Kf1 Bf8 32. Nf2 Bc5 33. Nh3 b5 34. Ke1 Bb4+ 35. Ke2 Qd2+ 36. Kf1 Qe1# 0-1

[Event "Paulista-ch"]
[Site "Americana"]
[Date "2005.06.30"]
[Round "1"]
[White "Arruda, William Batista"]
[Black "Faria, Gerson"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2129"]
[PlyCount "55"]
[EventDate "2005.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bf5 6. Nge2 e6 7. 0-0 c6 8. Ng3 Bg6 9. f4 Bd6 10. Qe2 0-0 11. Nge4 Nxe4 12. Nxe4 Bxe4 13. Qxe4 Nd7 14. f5 Nf6 15. Qd3 e5 16. Bg5 Be7 17. dxe5 Qxe5 18. Rad1 Bc5+ 19. Kh1 Qxb2 20. c3 Rad8 21. Qg3 Rd6 22. Bb3 Qa3 23. Qh4 Qa5 24. Rf3 Qb6 25. Bf4 Rdd8 26. Rg3 Ne4 27. Rxd8 Rxd8 28. Rxg7+ 1-0

[Event "Pan American-ch U18"]
[Site "Balneario Camboriu"]
[Date "2005.06.13"]
[Round "3"]
[White "Arruda, William Batista"]
[Black "Schneider, Igor"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2129"]
[BlackElo "2322"]
[PlyCount "73"]
[EventDate "2005.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 g6 5. Bg2 Bg7 6. Ngf3 0-0 7. 0-0 c5 8. Re1 Nc6 9. c3 b6 10. e5 Nd7 11. d4 a5 12. Nf1 Ba6 13. a3 Rc8 14. h4 h6 15. Bf4 Ne7 16. Qd2 Nf5 17. Bh3 Kh7 18. Bxf5 gxf5 19. Ne3 f6 20. Ng2 Qe8 21. Re3 Qf7 22. Rae1 Rfe8 23. Kh2 b5 24. exf6 Nxf6 25. Ne5 Qb7 26. f3 b4 27. dxc5 bxa3 28. b4 d4 29. Qxd4 Red8 30. c6 Qb5 31. Qa7 a2 32. Qf7 Rf8 33. Qg6+ Kh8 34. Bxh6 Ne8 35. Nd7 Rf7 36. Rxe6 Nc7 37. Nf6 1-0

[Event "Pan American-ch U18"]
[Site "Balneario Camboriu"]
[Date "2005.06.13"]
[Round "4"]
[White "Choma, Ernani Francisco"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2281"]
[BlackElo "2129"]
[PlyCount "77"]
[EventDate "2005.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 d6 5. Bg2 0-0 6. 0-0 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Re8 10. Re1 exd4 11. Nxd4 Nc5 12. Qc2 a5 13. Be3 a4 14. Rad1 Qe7 15. f4 Nfxe4 16. Nxe4 Nxe4 17. Bxe4 Qxe4 18. Bf2 Qxe1+ 19. Rxe1 Rxe1+ 20. Bxe1 Bxd4+ 21. Kh2 Bf5 22. Qd2 Bg7 23. g4 Be6 24. Qb4 b5 25. cxb5 cxb5 26. Bc3 Bxc3 27. Qxc3 Rc8 28. Qd3 Bxa2 29. Qxd6 Bc4 30. f5 Rf8 31. Qf6 Re8 32. Kg3 Kf8 33. Kf4 gxf5 34. gxf5 Re2 35. Kg5 Re8 36. Qd6+ Kg8 37. Qg3 Kf8 38. Kf6 Re2 39. Qg7+ 1-0

[Event "Pan American-ch U18"]
[Site "Balneario Camboriu"]
[Date "2005.06.12"]
[Round "2"]
[White "Cordova, Emilio"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2384"]
[BlackElo "2129"]
[PlyCount "109"]
[EventDate "2005.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. c4 f5 6. Nc3 d6 7. g3 0-0 8. Bg2 Nd7 9. Nge2 Nf6 10. 0-0 Re8 11. b4 c6 12. Qb3 h5 13. a4 h4 14. a5 hxg3 15. hxg3 Ng4 16. a6 Qg5 17. Nf4 Qh6 18. Rfe1 bxa6 19. Re2 g5 20. Nd3 f4 21. exf4 Bf5 22. Ne4 Bxe4 23. Rxe4 Rxe4 24. Bxe4 Bxd4 25. Ra2 Re8 26. Bxc6 Bxf2+ 27. Rxf2 Re3 28. Rg2 Qh7 29. Rd2 Rxg3+ 30. Kf1 Ne3+ 31. Ke1 Qh4 32. Rf2 gxf4 33. Kd2 Ng4 34. Re2 Ne5 35. Rxe5 dxe5 36. Qd1 Re3 37. Qh1 Qg5 38. Be4 f5 39. Bd5+ Kg7 40. Qg2 Rg3 41. Qf2 e4 42. Qd4+ Kg6 43. Ne5+ Kh7 44. Qxa7+ Qg7 45. Qxg7+ Kxg7 46. c5 Kf6 47. c6 Rg7 48. Nf7 Ke7 49. Nh6 Kd6 50. Nxf5+ Kxd5 51. Nxg7 Kxc6 52. Ne6 Kb5 53. Kc3 f3 54. Nd4+ Ka4 55. Nc2 1/2-1/2

[Event "Paulista-ch"]
[Site "Americana"]
[Date "2005.06.??"]
[Round "7"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2272"]
[BlackElo "2129"]
[PlyCount "80"]
[EventDate "2005.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Re8 10. Be3 Nbd7 11. 0-0 Ne5 12. h3 Qe7 13. Qd2 a6 14. a4 Rb8 15. Rae1 b5 16. cxb5 axb5 17. Bxb5 Bd7 18. Bg5 Bxb5 19. Nxb5 Qd7 20. b3 c4 21. bxc4 Rec8 22. Bxf6 Bxf6 23. Ne4 Bg7 24. Nexd6 Nxc4 25. Nxc4 Rxc4 26. Qa2 Qxd5 27. Rd1 Qc5 28. Nd6 Rf4 29. Rd5 Qa7 30. Nc4 Qa6 31. Rc5 Bd4 32. Rc7 Qf6 33. a5 Rxf2 34. Rxf2 Bxf2+ 35. Kh1 Bg3 36. Nd2 Bxc7 37. a6 Qb2 38. Qc4 Qxd2 39. Qxc7 Qd8 40. Qc2 Qf6 0-1

[Event "Itau Cup 8th"]
[Site "Sao Paulo"]
[Date "2004.10.01"]
[Round "8"]
[White "Arruda, William Batista"]
[Black "Bittencourt, Jorge Humberto M"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "2128"]
[BlackElo "2353"]
[PlyCount "118"]
[EventDate "2004.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 Qc7 8. a4 Nc6 9. 0-0 Be7 10. f4 0-0 11. Qe1 Re8 12. Rd1 Nxd4 13. Bxd4 e5 14. Be3 exf4 15. Bxf4 Qb6+ 16. Kh1 Qxb2 17. Bd3 Qb4 18. Bg5 Kf8 19. Rf4 Qa5 20. Bxf6 Bxf6 21. Nd5 Qxe1+ 22. Rxe1 Bd8 23. Rb1 Ra7 24. h4 Re5 25. g3 Bd7 26. Rbf1 f6 27. Ra1 Bc6 28. Bc4 Ke8 29. Kg2 Ra8 30. Kf3 Ba5 31. Ke3 Kd7 32. Kd3 Rae8 33. Rg4 Kc8 34. c3 Bxd5 35. Bxd5 R8e7 36. Rb1 f5 37. Rf4 fxe4+ 38. Bxe4 d5 39. Bf5+ Kc7 40. Rf3 g6 41. Bh3 Bb6 42. Kc2 Re2+ 43. Kb3 R2e3 44. Bg2 Ba5 45. Rxe3 Rxe3 46. Bxd5 Rxc3+ 47. Ka2 b6 48. Rb3 Rc5 49. Be4 Rc4 50. Bd3 Rxa4+ 51. Kb2 b5 52. h5 Rg4 53. hxg6 hxg6 54. Bc2 Be1 55. Rf3 g5 56. Rf7+ Kb6 57. Rf6+ Ka5 58. Bf5 Rxg3 59. Bc8 Bc3+ 0-1

[Event "Itau Cup 8th"]
[Site "Sao Paulo"]
[Date "2004.09.29"]
[Round "6"]
[White "Arruda, William Batista"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2128"]
[BlackElo "2287"]
[PlyCount "88"]
[EventDate "2004.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Be2 c6 6. a4 Be7 7. 0-0 0-0 8. Re1 Qc7 9. Bf1 b6 10. Bg5 Re8 11. Qd2 a6 12. Rad1 Bb7 13. Kh1 Rad8 14. Bh4 Nf8 15. Bg3 Ng6 16. Nh4 Nh5 17. Nf5 b5 18. d5 b4 19. Na2 a5 20. c3 c5 21. Bb5 Rf8 22. cxb4 axb4 23. Nc1 Bc8 24. Nd3 Bf6 25. Ne3 Bg5 26. Qc2 Bxe3 27. Rxe3 Qa7 28. b3 f5 29. exf5 Bxf5 30. Qe2 Nhf4 31. Bxf4 exf4 32. Re8 Rdxe8 33. Bxe8 f3 34. gxf3 Bxd3 35. Qe6+ Kh8 36. Rxd3 c4 37. Re3 c3 38. Bxg6 hxg6 39. Qxd6 Rc8 40. Qxg6 Qxe3 41. fxe3 c2 42. Qxc2 Rxc2 43. e4 Kg8 44. e5 Kf7 0-1

[Event "Itau Cup 8th"]
[Site "Sao Paulo"]
[Date "2004.09.28"]
[Round "5"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2416"]
[BlackElo "2128"]
[PlyCount "64"]
[EventDate "2004.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 Rb8 15. g4 f5 16. gxf5 gxf5 17. Rg1 fxe4 18. Qh6 Qf6 19. Rxg7+ Qxg7 20. Qxe6+ Rf7 21. fxe4 Qg5+ 22. Rd2 Nc7 23. Qc4 Rd8 24. Bd3 Kg7 25. b3 Rf1+ 26. Bxf1 Rxd2 27. Be7 Qh6 28. h4 Rd4+ 29. Bg5 Qd6 30. Qe2 Nb5 31. Bd2 Qa3+ 32. Kb1 Qd6 1/2-1/2

[Event "Itau Cup 8th"]
[Site "Sao Paulo"]
[Date "2004.09.26"]
[Round "2"]
[White "Arruda, William Batista"]
[Black "Limp, Eduardo Thelio"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "2128"]
[BlackElo "2441"]
[PlyCount "50"]
[EventDate "2004.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 0-0 9. 0-0-0 Bd7 10. Rhg1 Rc8 11. Bb3 Na5 12. Kb1 Nxb3 13. cxb3 Qa5 14. g4 Bc6 15. Bc1 Rfe8 16. g5 Nd7 17. f4 Bf8 18. Qg4 g6 19. f5 Ne5 20. Qh4 exf5 21. Nd5 Bxd5 22. exd5 Qxd5 23. Nxf5 Rxc1+ 24. Rxc1 Nf3 25. Rgd1 Qxf5+ 0-1

[Event "Pan American-ch U18"]
[Site "Bogota"]
[Date "2004.07.29"]
[Round "9"]
[White "Mendoza Moreno, Vicente"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "E94"]
[BlackElo "2071"]
[PlyCount "76"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 Na6 7. 0-0 e5 8. d5 Nc5 9. Qc2 a5 10. Be3 Nfd7 11. Nd2 f5 12. f3 f4 13. Bf2 g5 14. a3 a4 15. Nb5 h5 16. Rfb1 Rf7 17. b4 axb3 18. Nxb3 b6 19. Nxc5 Nxc5 20. a4 g4 21. a5 bxa5 22. Bxc5 dxc5 23. Qc3 Bf8 24. Rb2 Qh4 25. Rxa5 Rxa5 26. Qxa5 Rg7 27. Bd1 gxf3 28. Bxf3 Bg4 29. Rf2 Bxf3 30. Rxf3 Qg4 31. Rf2 Qd1+ 32. Rf1 Qe2 33. Rf2 Qxc4 34. Nc3 Qd4 35. Kf1 c4 36. d6 c6 37. Qb4 Bxd6 38. Qb2 Bc5 0-1

[Event "Pan American-ch U18"]
[Site "Bogota"]
[Date "2004.07.28"]
[Round "8"]
[White "Arruda, William Batista"]
[Black "Gomez Cadavid, David"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2071"]
[PlyCount "51"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. e5 dxe5 5. Nxe5 e6 6. Qe2 Be7 7. b3 0-0 8. Bb2 Nbd7 9. f4 Nb6 10. Na3 Nxc4 11. Naxc4 Nd5 12. 0-0 Qc7 13. a4 b6 14. Rae1 Bf6 15. d3 Nb4 16. Ne3 Re8 17. N3g4 Bd8 18. h4 Bb7 19. h5 f5 20. Ne3 Bf6 21. g4 Nc6 22. N5c4 Nd4 23. Bxd4 cxd4 24. g5 Be5 25. fxe5 Qe7 26. Qg4 0-1

[Event "Pan American-ch U18"]
[Site "Bogota"]
[Date "2004.07.28"]
[Round "7"]
[White "Santos Flores, Alberto Javier"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B79"]
[WhiteElo "2293"]
[BlackElo "2071"]
[PlyCount "71"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. h4 Qa5 11. 0-0-0 Ne5 12. Bb3 Rfc8 13. g4 b5 14. h5 Nc4 15. Bxc4 bxc4 16. Bh6 Bh8 17. Nf5 Bxf5 18. exf5 Rab8 19. hxg6 fxg6 20. Qe3 Qe5 21. Qxe5 dxe5 22. fxg6 hxg6 23. Ne4 Rc7 24. Be3 Nxe4 25. fxe4 Rcb7 26. b3 cxb3 27. axb3 Rb4 28. Bxa7 Rc8 29. Rhe1 Rxb3 30. Rd8+ Rxd8 31. cxb3 Bf6 32. Kb2 Bg5 33. Bc5 Kf7 34. b4 Ke6 35. Kc3 Rd7 36. Rd1 1-0

[Event "Pan American-ch U18"]
[Site "Bogota"]
[Date "2004.07.27"]
[Round "6"]
[White "Arruda, William Batista"]
[Black "Garcia, Eduardo"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2071"]
[BlackElo "2274"]
[PlyCount "73"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e6 6. 0-0 Nge7 7. c3 e5 8. Be3 d6 9. d4 exd4 10. cxd4 Bg4 11. dxc5 dxc5 12. Qc1 b6 13. Nc3 0-0 14. Rd1 Qc8 15. h3 Bxh3 16. Nb5 Bxg2 17. Kxg2 Qg4 18. Bh6 Qxe4 19. Nd6 Qe2 20. Bxg7 Kxg7 21. Rh1 h5 22. Rxh5 Rh8 23. Rxh8 Rxh8 24. Qc3+ f6 25. Re1 Qa6 26. Ng5 Nd5 27. Ne6+ Kg8 28. Qc2 Nce7 29. Nc7 Qxa2 30. f3 Kg7 31. Ne6+ Kg8 32. Nc7 Kg7 33. Nce8+ Kf8 34. Re6 Nf4+ 35. gxf4 Qxe6 36. Qd3 Qh3+ 37. Kf2 0-1

[Event "Pan American-ch U18"]
[Site "Bogota"]
[Date "2004.07.26"]
[Round "5"]
[White "Echeverria, Mario Armando"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2196"]
[BlackElo "2071"]
[PlyCount "50"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 Rb8 15. Bc4 Re8 16. h4 h6 17. g4 f5 18. gxf5 gxf5 19. Rdg1 fxe4 20. Qxh6 Rb7 21. h5 Nf4 22. Ba6 Rd7 23. Bd6 Qa5 24. Rg5 Qa3 25. bxa3 Bxa2 0-1

[Event "Pan American-ch U18"]
[Site "Bogota"]
[Date "2004.07.26"]
[Round "4"]
[White "Elias Alvarez, Alfonso Jose"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "E89"]
[BlackElo "2071"]
[PlyCount "52"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. Nge2 Nbd7 8. Qd2 c6 9. d5 cxd5 10. cxd5 a6 11. Nc1 b5 12. b4 Ne8 13. Bd3 f5 14. 0-0 f4 15. Bf2 g5 16. a4 bxa4 17. Rxa4 Nb6 18. Ra3 h5 19. Qe2 g4 20. Bxa6 gxf3 21. gxf3 Bh3 22. Bxb6 Qxb6+ 23. Rf2 Bf6 24. Qb5 Qe3 25. Nd3 Bh4 26. Nd1 Bxf2+ 0-1

[Event "Pan American-ch U18"]
[Site "Bogota"]
[Date "2004.07.25"]
[Round "3"]
[White "Arruda, William Batista"]
[Black "Mateus Urbano, Luis Alejandro"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2071"]
[BlackElo "2036"]
[PlyCount "52"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. e5 dxe5 5. Nxe5 e6 6. Qe2 Bd6 7. b3 0-0 8. Bb2 Nbd7 9. f4 Nb6 10. Bd3 Nbd5 11. 0-0 Nb4 12. Na3 Nxd3 13. Nxd3 Bd7 14. Nc4 Be7 15. Nde5 Bb5 16. Rae1 Bxc4 17. bxc4 Nd7 18. Nxd7 Qxd7 19. f5 Bg5 20. fxe6 Qxe6 21. Qxe6 fxe6 22. Rxf8+ Rxf8 23. d3 Bf6 24. Bxf6 Rxf6 25. Rf1 Kf7 26. Rxf6+ Kxf6 1/2-1/2

[Event "Pan American-ch U18"]
[Site "Bogota"]
[Date "2004.07.25"]
[Round "2"]
[White "Obregon, Carlos Andres"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2276"]
[BlackElo "2071"]
[PlyCount "97"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Qd2 0-0 9. g4 Be6 10. Nxe6 fxe6 11. Bc4 Qc8 12. Bb3 Ne5 13. Qe2 b5 14. Nxb5 d5 15. Nd4 Nc4 16. Bxc4 dxc4 17. 0-0 Rb8 18. Qd2 Rxb2 19. Qc3 Rb7 20. Qa5 Ne8 21. Rad1 Nd6 22. Qa6 h5 23. gxh5 gxh5 24. Nc6 Nf7 25. Bc5 Bf6 26. Be3 Qc7 27. Nd4 Rb6 28. Qa5 Qe5 29. Qxa7 Rd6 30. Qb7 Qa5 31. Kh1 Qc3 32. Nb5 Rxd1 33. Nxc3 Rxf1+ 34. Kg2 Re1 35. Bd2 Bxc3 36. Bxe1 Bxe1 37. Qxe7 e5 38. Qe6 h4 39. Qxc4 Kg7 40. Qd5 Rd8 41. Qc5 Bd2 42. a4 Bf4 43. a5 Rd2+ 44. Kf1 Ng5 45. Qc7+ Kf6 46. Qc6+ Kg7 47. a6 Rd1+ 48. Ke2 Rd2+ 49. Kf1 1/2-1/2

[Event "Pan American-ch U18"]
[Site "Bogota"]
[Date "2004.07.24"]
[Round "1"]
[White "Arruda, William Batista"]
[Black "Panesso, Oscar J"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2071"]
[PlyCount "85"]
[EventDate "2004.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e6 6. 0-0 Nge7 7. c3 0-0 8. Re1 d5 9. e5 Qc7 10. Qe2 d4 11. c4 h6 12. h4 b6 13. Bf4 Bb7 14. Nbd2 a6 15. Ne4 Nb8 16. Qd2 Bxe4 17. Rxe4 Kh7 18. Nh2 Nd7 19. Ng4 h5 20. Nf6+ Kh8 21. Qe2 Ng8 22. Nxh5 Qa7 23. Nxg7 Kxg7 24. h5 Ne7 25. Bg5 Rae8 26. Bxe7 Rxe7 27. hxg6 fxg6 28. Rg4 Qc7 29. f4 Rh8 30. Be4 Nf8 31. Kg2 Qb8 32. Rh4 Rxh4 33. gxh4 Qe8 34. Rh1 Qf7 35. Qg4 b5 36. b3 b4 37. Kf3 Nh7 38. Kg2 a5 39. h5 Nf8 40. hxg6 Qe8 41. Qh5 Nxg6 42. Rg1 Kf8 43. Bxg6 1-0

[Event "BRA South Region-ch"]
[Site "Curitiba"]
[Date "2004.06.??"]
[Round "5"]
[White "Araujo, Rafael Moreira"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "B79"]
[BlackElo "2071"]
[PlyCount "92"]
[EventDate "2004.06.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Qa5 11. Bb3 Ne5 12. h4 Rfc8 13. h5 Rxc3 14. bxc3 Nxh5 15. Bh6 Bxh6 16. Qxh6 Rc8 17. Rxh5 gxh5 18. Qg5+ Kf8 19. Qh6+ Ke8 20. Qxh7 Ba4 21. Bxf7+ Nxf7 22. Qg8+ Kd7 23. Qxf7 Qxc3 24. Qf5+ Kc7 25. Rd3 Qe1+ 26. Kb2 Qb4+ 27. Nb3 Kb8 28. Qxh5 Qc4 29. Qd5 Qxc2+ 30. Ka3 Bc6 31. Qd4 Qxg2 32. Rc3 Qg5 33. Qb4 Qb5 34. Qxb5 Bxb5 35. Rxc8+ Kxc8 36. Nd4 Bf1 37. Kb4 Kd7 38. Kc3 Bg2 39. Kd3 e5 40. Nf5 Bxf3 41. Ke3 Bg4 42. Ng3 Kc6 43. Nh1 b5 44. Nf2 Be6 45. a3 Kc5 46. Kd3 a5 0-1

[Event "BRA South Region-ch"]
[Site "Curitiba"]
[Date "2004.06.??"]
[Round "4"]
[White "Arruda, William Batista"]
[Black "Bianeck, Misrael"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2071"]
[PlyCount "84"]
[EventDate "2004.06.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. b3 e5 10. dxe5 dxe5 11. Qxd8 Rxd8 12. c5 N6d7 13. Bc4 Nc6 14. Nf3 h6 15. Ne4 Nf8 16. Nd6 Ne6 17. 0-0 Ncd4 18. Bxd4 exd4 19. Rfd1 Bf8 20. Nxd4 Bxd6 21. Nxe6 Bxh2+ 22. Kxh2 Bxe6 23. Bxe6 fxe6 24. Kg3 Kf7 25. Rxd8 Rxd8 26. c6 bxc6 27. Rxc6 Rd7 28. Ra6 Kf6 29. Kf4 g5+ 30. Ke4 h5 31. f3 Rc7 32. Ra4 Rd7 33. b4 Rc7 34. b5 Rc5 35. Ra5 Rc7 36. a4 Rd7 37. Ra6 h4 38. a5 Rd5 39. b6 axb6 40. axb6 Rb5 41. Kd4 Rb2 42. Kc3 Rb1 1/2-1/2

[Event "BRA South Region-ch"]
[Site "Curitiba"]
[Date "2004.06.??"]
[Round "6"]
[White "Arruda, William Batista"]
[Black "Fernandes, Felipe Salles"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "2071"]
[PlyCount "25"]
[EventDate "2004.06.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 Qf6 5. Nd5 Qxf2+ 6. Kd1 Kf8 7. Nh3 h5 8. Qg5 f6 9. Qg6 Rh6 10. Ne7 Rxg6 11. Nxg6+ Ke8 12. Nxf2 Bxf2 13. Bxg8 1-0

[Event "BRA South Region-ch"]
[Site "Curitiba"]
[Date "2004.06.??"]
[Round "3"]
[White "Chemin, Vitorio"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2338"]
[BlackElo "2071"]
[PlyCount "127"]
[EventDate "2004.06.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. Bf4 d6 6. e3 Nc6 7. Be2 Nd7 8. h3 e5 9. Bh2 f5 10. 0-0 f4 11. dxe5 dxe5 12. exf4 exf4 13. Qd2 g5 14. Qd5+ Kh8 15. Qxg5 Qxg5 16. Nxg5 Bxc3 17. bxc3 Nc5 18. Bf3 Ne5 19. Rfe1 Ncd3 20. Red1 Rg8 21. Be4 Rxg5 22. h4 Rg4 23. Bxd3 Nf3+ 24. Kh1 Nxh2 25. Kxh2 Rxh4+ 26. Kg1 Be6 27. Re1 Rh6 28. Re5 Rg8 29. Rae1 f3 30. g3 Bh3 31. Bf1 Bxf1 32. Rxf1 Rc6 33. Rf5 Rxc4 34. Rxf3 Kg7 35. Re1 Rf8 36. Re7+ Kg8 37. Rd3 Rf7 38. Re2 c5 39. Kg2 b5 40. Re5 a5 41. f4 b4 42. cxb4 axb4 43. a3 Rb7 44. axb4 cxb4 45. Rb3 Kg7 46. Kf3 Kf6 47. Ra5 Ke6 48. Kg4 Kd6 49. Ra6+ Kc5 50. Ra5+ Kb6 51. Rg5 Kc6 52. Rg8 Kb5 53. Rb1 Rc3 54. f5 b3 55. f6 Kb4 56. Rg7 Rcc7 57. Rxc7 Rxc7 58. Kf5 Ra7 59. Ke6 Kc3 60. f7 Ra8 61. Ke7 Ra7+ 62. Kf6 Ra6+ 63. Kg7 Ra7 64. Kg8 1-0

[Event "Paulista U20"]
[Site "Sao Paulo"]
[Date "2004.??.??"]
[Round "?"]
[White "Arruda, William Batista"]
[Black "Buys, Caio Vitor Brandts"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2071"]
[PlyCount "55"]
[EventDate "2004.02.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 c6 9. cxd5 cxd5 10. Nc3 Nxc3 11. bxc3 Bg4 12. Rb1 b6 13. h3 Bh5 14. Rb5 Bc7 15. c4 dxc4 16. Bxh7+ Kxh7 17. Rxh5+ Kg8 18. Ng5 g6 19. Qg4 Qd7 20. Rh8+ Kxh8 21. Qh4+ Kg7 22. Qh7+ Kf6 23. Ne4+ Ke6 24. Qg7 Qd8 25. Re1 Kd5 26. Bg5 Qc8 27. Qf6 Be5 28. Nc3+ 1-0

[Event "Paulista U20"]
[Site "Sao Paulo"]
[Date "2004.??.??"]
[Round "?"]
[White "Gimenes, Estacio"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B52"]
[BlackElo "2071"]
[PlyCount "57"]
[EventDate "2004.02.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. b3 Nf6 7. d3 e6 8. Bb2 Be7 9. Nc3 0-0 10. 0-0 a6 11. d4 cxd4 12. Nxd4 Nxd4 13. Qxd4 b5 14. cxb5 axb5 15. Rfd1 Qb7 16. a4 bxa4 17. bxa4 Rfc8 18. Ba3 Qb3 19. Rd3 Rc4 20. Qe3 Rac8 21. Nd5 Nxd5 22. Rxb3 Nxe3 23. Rxe3 Rxa4 24. Rd1 Rca8 25. Bb2 Rb8 26. Bc3 Rba8 27. Bb2 Ra2 28. Rb3 g6 29. g3 1-0

[Event "Sao Paulo Itau Cup 7th"]
[Site "Sao Paulo"]
[Date "2003.10.04"]
[Round "8"]
[White "Arruda, William Batista"]
[Black "Bachmann, Andreas"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2082"]
[BlackElo "2243"]
[PlyCount "64"]
[EventDate "2003.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 g6 4. g3 Bg7 5. Bg2 Ne7 6. 0-0 0-0 7. Re1 Nbc6 8. c3 e5 9. Nbd2 d6 10. h3 h6 11. a4 Be6 12. Nc4 Qd7 13. Kh2 Kh7 14. Qe2 Rae8 15. b3 a6 16. a5 Qc7 17. Nfd2 f5 18. Bb2 Rf7 19. Rec1 Ref8 20. Kg1 Nc8 21. h4 f4 22. g4 f3 23. Bxf3 Qe7 24. Kg2 Qxh4 25. Rh1 Qe7 26. Qe3 Rf4 27. Kg3 Qg5 28. Rh4 h5 29. Rah1 Bxg4 30. Bxg4 Rxg4+ 31. Rxg4 Qxg4+ 32. Kh2 Bh6 0-1

[Event "Sao Paulo Itau Cup 7th"]
[Site "Sao Paulo"]
[Date "2003.10.03"]
[Round "7"]
[White "Bittencourt, Jorge Humberto M"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2330"]
[BlackElo "2082"]
[PlyCount "47"]
[EventDate "2003.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Na6 7. 0-0 e5 8. Re1 c6 9. Bf1 Bg4 10. d5 c5 11. h3 Bd7 12. a3 Nh5 13. g3 Be8 14. Rb1 h6 15. b4 f5 16. Bg2 f4 17. g4 Nf6 18. Qb3 g5 19. Rf1 Bg6 20. Ne1 h5 21. f3 Nd7 22. Nd3 hxg4 23. hxg4 Bf6 24. Na4 1/2-1/2

[Event "Sao Paulo Itau Cup 7th"]
[Site "Sao Paulo"]
[Date "2003.09.30"]
[Round "4"]
[White "Arruda, William Batista"]
[Black "Chemin, Vitorio"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "2082"]
[BlackElo "2315"]
[PlyCount "57"]
[EventDate "2003.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qc7 9. Bb3 Na5 10. g4 b5 11. g5 Nd7 12. 0-0-0 Bb7 13. Bxe6 fxe6 14. Nxe6 Qc4 15. Qxc4 Nxc4 16. Nc7+ Kd8 17. Nxa8 Nxe3 18. fxe3 Bxa8 19. b4 Be7 20. Rhf1 Ne5 21. Rf5 Kc7 22. h4 h6 23. gxh6 Rxh6 24. h5 g6 25. hxg6 Rxg6 26. Rh1 Kd7 27. Rh7 Ke6 28. Rf1 Bg5 29. Ra7 0-1

[Event "Sao Paulo Itau Cup 7th"]
[Site "Sao Paulo"]
[Date "2003.09.28"]
[Round "2"]
[White "Lebredo Zaragoitia, Gerardo"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2317"]
[BlackElo "2082"]
[PlyCount "47"]
[EventDate "2003.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 d6 6. e3 Nbd7 7. Be2 c6 8. 0-0 Re8 9. Qc2 e5 10. Rfd1 Qe7 11. d5 c5 12. Nd2 h6 13. Bh4 Nf8 14. a3 g5 15. Bg3 h5 16. f3 g4 17. Bd3 Bh6 18. Bh4 Bxe3+ 19. Kh1 gxf3 20. Nxf3 Bg4 21. Rf1 N8d7 22. Ne4 Bf4 23. Nfd2 Kg7 24. Nxf6 1-0

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2003.05.18"]
[Round "6"]
[White "Arruda, William Batista"]
[Black "Godoy, Jose Rui"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2072"]
[BlackElo "1958"]
[PlyCount "57"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Be2 Ngf6 5. Nc3 c6 6. a4 b6 7. 0-0 Be7 8. Re1 0-0 9. Bf1 a6 10. g3 Re8 11. Bg2 Bf8 12. h3 g6 13. Bg5 Qc7 14. Qd2 Bb7 15. Rad1 Rad8 16. Nh2 Be7 17. f4 exd4 18. Qxd4 d5 19. Qd2 Nxe4 20. Nxe4 Bxg5 21. Nxg5 h6 22. Ngf3 Nc5 23. Ng4 Ne4 24. Qd4 Qe7 25. Nfe5 h5 26. Nh6+ Kh7 27. Nhxf7 c5 28. Qd3 c4 29. Qd4 1-0

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2003.05.18"]
[Round "7"]
[White "Gattass, Allan Arriada"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "B79"]
[WhiteElo "1902"]
[BlackElo "2072"]
[PlyCount "98"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Ne5 11. Bb3 Qa5 12. h4 Rfc8 13. h5 Rxc3 14. Qxc3 Qxc3 15. bxc3 Nxh5 16. Ne2 Rc8 17. Bxa7 Bb5 18. Nd4 Ba6 19. Kb2 Nd7 20. Ba4 Ne5 21. Bb5 Ra8 22. Bb6 Bxb5 23. Nxb5 Nc4+ 24. Kb3 Nxb6 25. Rb1 Nf4 26. g4 Ne6 27. Kb2 Nc4+ 28. Ka1 Na3 29. Rb3 Nxb5 30. Rxb5 Bxc3+ 31. Kb1 Nc5 32. Rh3 Be5 33. Rh1 Kg7 34. Rf1 Bf4 35. Kb2 h5 36. gxh5 gxh5 37. Rh1 Rh8 38. Kc3 h4 39. Rh3 Kf6 40. Rb1 Bg3 41. Kd2 Ra8 42. Rb2 Ra3 43. c3 Ke5 44. Rh1 Kf4 45. Rf1 h3 46. e5 Kxe5 47. Rb4 Bf4+ 48. Kd1 Rxa2 49. Re1+ Kf5 0-1

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2003.05.17"]
[Round "4"]
[White "Arruda, William Batista"]
[Black "Salles, Leandro Luiz Krause"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2072"]
[BlackElo "1884"]
[PlyCount "76"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. 0-0 0-0 7. c4 c6 8. Qf3 f6 9. Ng4 f5 10. Ne5 Bxe5 11. dxe5 Qe7 12. Nc3 Qxe5 13. Bf4 Qe6 14. cxd5 cxd5 15. Rac1 Kh8 16. Nb5 Na6 17. Nc7 Nxc7 18. Rxc7 b6 19. Bxe4 fxe4 20. Qc3 Rf7 21. Be5 Bd7 22. f4 Rc8 23. f5 Qe8 24. f6 Kg8 25. Rxc8 Bxc8 26. Rd1 gxf6 27. Bxf6 Qe6 28. Bd4 Qg4 29. Rc1 Ba6 30. h3 Qf4 31. Be3 Qf5 32. Bh6 Qf2+ 33. Kh2 d4 34. Qc6 e3 35. Qe8+ Rf8 36. Bxf8 Qxf8 37. Qe6+ Qf7 38. Qg4+ Qg7 1/2-1/2

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2003.05.17"]
[Round "5"]
[White "Purcotes, Francisco Jr"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "1894"]
[BlackElo "2072"]
[PlyCount "71"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Qc2 e5 8. Rd1 Qe7 9. Nc3 Re8 10. h3 h5 11. Bg5 c6 12. dxe5 dxe5 13. Ne4 Nf8 14. Nxf6+ Bxf6 15. Bxf6 Qxf6 16. Kh2 e4 17. Nd2 e3 18. Ne4 Qe5 19. Nd6 Re6 20. f4 Qf6 21. Nxc8 Rxc8 22. h4 Rd6 23. Rxd6 Qxd6 24. Rd1 Qe7 25. Bh3 Rd8 26. Rd3 f5 27. Qd1 Ne6 28. Rxd8+ Nxd8 29. Qd4 Kf7 30. Kg2 c5 31. Qd5+ Ne6 32. Kf3 Kf8 33. Qe5 Nd4+ 34. Kxe3 Qxe5+ 35. fxe5 Ke7 36. Bg2 1/2-1/2

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2003.05.16"]
[Round "3"]
[White "Choma, Ernani Francisco"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "E69"]
[WhiteElo "2269"]
[BlackElo "2072"]
[PlyCount "63"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 exd4 10. Nxd4 Re8 11. Re1 a5 12. Be3 Nc5 13. Qc2 Qb6 14. Rad1 a4 15. Nf3 Qb4 16. Nd2 a3 17. b3 Nh5 18. Ne2 f5 19. Bd4 Nf6 20. Nc3 Ne6 21. Bxf6 Bxf6 22. exf5 Bxc3 23. fxe6 Bxe6 24. Re3 Bd4 25. Re2 Bf5 26. Ne4 Bxe4 27. Bxe4 Qb6 28. Qd2 Bc5 29. Kg2 Rf8 30. f3 Rae8 31. h4 Qd8 32. Rde1 1/2-1/2

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2003.05.16"]
[Round "2"]
[White "Palozi, Paulo Ricardo"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "E86"]
[WhiteElo "1867"]
[BlackElo "2072"]
[PlyCount "58"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 e5 8. Nge2 c6 9. h4 a6 10. g4 b5 11. c5 exd4 12. Nxd4 Ne5 13. Bf4 b4 14. Na4 Nxf3+ 15. Nxf3 Nxe4 16. Qe2 Bxg4 17. Bg2 Bf5 18. Bh3 Re8 19. 0-0-0 Qf6 20. Bxf5 Qxf5 21. Qh2 dxc5 22. Nd2 Nxd2 23. Rxd2 Re4 24. Rf1 Rae8 25. Qf2 Rc4+ 26. Rc2 Rxf4 27. Qxf4 Bh6 28. Qxh6 Qxf1+ 29. Kd2 Qe2+ 0-1

[Event "BRA-ch U20"]
[Site "Florianopolis"]
[Date "2003.05.15"]
[Round "1"]
[White "Arruda, William Batista"]
[Black "Zini Bertoli, Eduardo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2072"]
[BlackElo "1825"]
[PlyCount "34"]
[EventDate "2003.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 dxe4 3. Nxe4 Bf5 4. Ng3 Bg6 5. d4 Nf6 6. h4 h6 7. Bc4 e6 8. N1e2 c5 9. Nf4 Bh7 10. d5 exd5 11. Nxd5 Nxd5 12. Bxd5 Qd7 13. Qf3 Nc6 14. 0-0 0-0-0 15. Bxc6 Qxc6 16. Qxf7 Bxc2 17. Bf4 Qg6 1-0

[Event "BRA-ch U16"]
[Site "Goiania"]
[Date "2003.03.??"]
[Round "3"]
[White "Arruda, William Batista"]
[Black "Bergman, Thomas1111"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2091"]
[PlyCount "46"]
[EventDate "2003.03.07"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 d6 3. f4 exf4 4. Bc4 Be6 5. Bb3 g5 6. d4 Bxb3 7. axb3 Bg7 8. h4 h6 9. Qd3 a6 10. Nh3 Nc6 11. Ne2 Qd7 12. Bd2 Nge7 13. 0-0-0 0-0-0 14. hxg5 hxg5 15. Nxg5 Ng6 16. Nh3 Qg4 17. Nhxf4 Rhe8 18. Nxg6 Qxg6 19. Rh4 Bf6 20. Rf4 Bg5 21. Qh3+ Kb8 22. Rg4 Bxd2+ 23. Rxd2 Qe6 1-0

[Event "BRA-ch U16"]
[Site "Goiania"]
[Date "2003.03.??"]
[Round "5"]
[White "Arruda, William Batista"]
[Black "Meirelles, Renato de Paula"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2091"]
[PlyCount "33"]
[EventDate "2003.03.07"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 e6 5. d3 Ne7 6. Be3 d6 7. Qd2 0-0 8. Bh6 f5 9. h4 Rf7 10. Bxg7 Rxg7 11. Nge2 Nbc6 12. d4 c4 13. d5 exd5 14. Nxd5 Nxd5 15. Qxd5+ Kh8 16. 0-0-0 Rd7 17. h5 1-0

[Event "BRA-ch U16"]
[Site "Goiania"]
[Date "2003.03.??"]
[Round "1"]
[White "Arruda, William Batista"]
[Black "Nascimento, Daniel Rodrigues"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2091"]
[PlyCount "61"]
[EventDate "2003.03.07"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 e6 6. Be3 d6 7. Qd2 Nge7 8. Bh6 Bxh6 9. Qxh6 Nd4 10. 0-0-0 Qa5 11. Kb1 b5 12. Nce2 Nec6 13. c3 Nxe2 14. Nxe2 b4 15. c4 e5 16. Qg7 Rf8 17. Qxh7 Bg4 18. f3 Be6 19. h4 Ke7 20. Qh6 Rh8 21. Qd2 Rh7 22. f4 Bg4 23. f5 Bxe2 24. Qxe2 Nd4 25. Qg4 Qa4 26. Rd2 Qe8 27. Rf2 Kd8 28. fxg6 fxg6 29. Rf6 Qe7 30. Rhf1 Kc7 31. Qxg6 1-0

[Event "BRA-ch U16"]
[Site "Goiania"]
[Date "2003.03.??"]
[Round "4"]
[White "Bueno, Alfeu Varela Jr"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B23"]
[BlackElo "2091"]
[PlyCount "55"]
[EventDate "2003.03.07"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. f4 d5 7. exd5 exd5 8. Nf3 Nf6 9. 0-0 Be7 10. d4 0-0 11. h3 Ne4 12. Kh2 Nd7 13. Be3 Ndf6 14. Ne2 Rc8 15. c3 b4 16. dxc5 bxc3 17. b4 a5 18. a3 Ba6 19. Nfd4 Rc7 20. b5 Bb7 21. c6 Ba8 22. Qd3 Bc5 23. Nxc3 Re8 24. Na4 Rce7 25. Nf5 Nxg3 26. Nxe7+ Qxe7 27. Bxc5 Nxf1+ 28. Rxf1 1-0

[Event "BRA-ch U16"]
[Site "Goiania"]
[Date "2003.03.??"]
[Round "2"]
[White "Leal Furlan, Andre Giovani"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "E94"]
[BlackElo "2091"]
[PlyCount "67"]
[EventDate "2003.03.07"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. d5 Nc5 9. Qc2 a5 10. Be3 Nfd7 11. Ne1 f5 12. f3 f4 13. Bf2 g5 14. Nd3 b6 15. a3 h5 16. b4 Nxd3 17. Qxd3 Rf7 18. c5 bxc5 19. bxc5 Nxc5 20. Bxc5 dxc5 21. Na4 Bf8 22. Qc3 g4 23. Rfc1 g3 24. h3 Qh4 25. Rc2 Rg7 26. Qxe5 Bd7 27. d6 Bxa4 28. Qd5+ Kh7 29. Qxa8 Bxd6 30. Rd2 Bd7 31. e5 Bxh3 32. Bd3+ Rg6 33. Bxg6+ Kxg6 34. Qg8+ 1-0

[Event "BRA-ch U16"]
[Site "Goiania"]
[Date "2003.03.??"]
[Round "6"]
[White "Pontes, Paulo Ricardo"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "B77"]
[BlackElo "2091"]
[PlyCount "68"]
[EventDate "2003.03.07"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0 Ne5 11. Bb3 Rc8 12. Rad1 Nc4 13. Bxc4 Rxc4 14. Nce2 b5 15. c3 Qb8 16. a3 a5 17. Nc2 Be6 18. Nf4 Bd7 19. Nd5 Nxd5 20. Qxd5 Bc6 21. Qd2 Ba8 22. Bd4 Rfc8 23. Bxg7 Kxg7 24. Ne3 Qb6 25. Kh1 R4c7 26. Rfe1 Rb8 27. Qd4+ Qxd4 28. Rxd4 Rc5 29. h3 h5 30. Kh2 Kf6 31. g4 hxg4 32. hxg4 Rh8+ 33. Kg2 Bb7 34. Kg3 g5 1/2-1/2

[Event "Sao Paulo Interclubs"]
[Site "Sao Paulo"]
[Date "2003.??.??"]
[Round "7"]
[White "Arruda, William Batista"]
[Black "Gomar, Ivan Perez"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2091"]
[PlyCount "77"]
[EventDate "2003.03.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 093 Extra"]
[Source "ChessBase"]
[SourceDate "2003.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 Nf6 7. Nf3 0-0 8. 0-0 Rb8 9. h3 b5 10. Rb1 b4 11. Ne2 a5 12. Be3 c4 13. dxc4 Bb7 14. Qd3 Nd7 15. c3 Nc5 16. Qc2 bxc3 17. bxc3 Ba6 18. Nfd4 Na7 19. Nb3 Bxc4 20. Nxc5 Rxb1 21. Rxb1 dxc5 22. Rb7 Nb5 23. e5 Na3 24. Qa4 Qd3 25. Bxc5 Nc2 26. Rb2 Ne3 27. Bc6 Nd1 28. Rc2 Rb8 29. Rc1 Rb2 30. Qxd1 Rd2 31. Qf1 Rxe2 32. Qf3 Qd2 33. Rf1 Qxa2 34. Bxe7 Rd2 35. Rd1 Qc2 36. Rxd2 Qxd2 37. Ba4 h5 38. Bc5 Be2 39. Qf2 0-1

[Event "Sao Paulo Interclubs"]
[Site "Sao Paulo"]
[Date "2003.??.??"]
[Round "6"]
[White "Arruda, William Batista"]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2091"]
[BlackElo "2479"]
[PlyCount "57"]
[EventDate "2003.03.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 093 Extra"]
[Source "ChessBase"]
[SourceDate "2003.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.05.09"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Bc5 5. e5 Nfd7 6. Qe2 Bb6 7. g3 c5 8. Bg2 Nc6 9. Nf1 Qc7 10. Bf4 Nf8 11. h4 Ng6 12. h5 Nxf4 13. gxf4 f5 14. exf6 gxf6 15. f5 e5 16. Ne3 Ne7 17. Nh4 d4 18. Nd5 Nxd5 19. Bxd5 Ba5+ 20. Kf1 Bd7 21. Rg1 0-0-0 22. Rg7 Qb6 23. b3 Bc6 24. Be6+ Kb8 25. f3 Qb4 26. a4 Qd2 27. Qxd2 Bxd2 28. Ke2 Bh6 29. Rgg1 0-1

[Event "Sao Paulo Interclubs"]
[Site "Sao Paulo"]
[Date "2003.??.??"]
[Round "5"]
[White "Van Riemsdijk, Vinicius Paulo"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2197"]
[BlackElo "2091"]
[PlyCount "99"]
[EventDate "2003.03.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 093 Extra"]
[Source "ChessBase"]
[SourceDate "2003.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. 0-0-0 Be7 10. Qd3 0-0 11. Nd4 Qa5 12. f4 Rac8 13. Rhf1 a6 14. f5 e5 15. Bxf6 Bxf6 16. Nb3 Qb6 17. Qxd6 Rfd8 18. Qc5 Qxc5 19. Nxc5 Bg5+ 20. Kb1 a5 21. Nd3 f6 22. Nc5 Bd2 23. Ne6 Rd7 24. Nd5 Bxd5 25. exd5 Rxd5 26. Rf2 Be3 27. Rxd5 Bxf2 28. c3 g6 29. g4 gxf5 30. gxf5 b6 31. Kc2 Rc4 32. Rd8+ Kf7 33. Rd7+ Kg8 34. Rg7+ Kh8 35. Rf7 h5 36. Rxf6 Rh4 37. Rg6 Rxh2 38. Kd3 Bc5 39. Ke4 Re2+ 40. Kd5 Rxb2 41. Kxe5 Be7 42. Nf4 Rxa2 43. Ke6 Rf2 44. Nxh5 Bf8 45. Kf7 Rxf5+ 46. Nf6 Rxf6+ 47. Rxf6 Bg7 48. Rxb6 a4 49. c4 a3 50. Ra6 1-0

[Event "Sao Paulo CXSP"]
[Site "Sao Paulo"]
[Date "2002.12.03"]
[Round "9"]
[White "Arruda, William Batista"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "C24"]
[BlackElo "2260"]
[PlyCount "46"]
[EventDate "2002.11.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[EventCategory "1"]
[SourceTitle "CBM 091 Extra"]
[Source "ChessBase"]
[SourceDate "2003.01.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.01.09"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bd6 6. Nc3 dxe4 7. Ng5 0-0 8. Ngxe4 Be7 9. 0-0 Nbd7 10. Be3 Nxe4 11. Nxe4 Nf6 12. Nxf6+ Bxf6 13. Bc5 Re8 14. Qf3 Be6 15. Rfe1 Bd5 16. Qg4 b6 17. Bb4 a5 18. Bc3 a4 19. Bxd5 cxd5 20. Qb4 d4 21. Bd2 Qd7 22. f4 Be7 23. Qxb6 Reb8 0-1

[Event "Sao Paulo CXSP"]
[Site "Sao Paulo"]
[Date "2002.12.02"]
[Round "8"]
[White "Caldeira, Adriano"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B79"]
[WhiteElo "2394"]
[PlyCount "65"]
[EventDate "2002.11.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[EventCategory "1"]
[SourceTitle "CBM 091 Extra"]
[Source "ChessBase"]
[SourceDate "2003.01.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.01.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Ne5 11. Bb3 Qa5 12. h4 Rfc8 13. Kb1 Nc4 14. Bxc4 Rxc4 15. Nb3 Qc7 16. Bd4 Be6 17. h5 a5 18. hxg6 hxg6 19. a4 b5 20. Nxb5 Qb7 21. Be3 Rxa4 22. N5d4 Rb4 23. Nxe6 fxe6 24. Bh6 Bh8 25. Bf8 Rxf8 26. Rxh8+ Kf7 27. Rxf8+ Kxf8 28. e5 dxe5 29. Qh6+ Kf7 30. Rd8 Nd7 31. Qh7+ Kf6 32. Rg8 e4 33. f4 1-0

[Event "Sao Paulo CXSP"]
[Site "Sao Paulo"]
[Date "2002.12.01"]
[Round "7"]
[White "Arruda, William Batista"]
[Black "Martinez, Carlos Alejandro"]
[Result "1/2-1/2"]
[ECO "D31"]
[BlackElo "2402"]
[PlyCount "120"]
[EventDate "2002.11.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[EventCategory "1"]
[SourceTitle "CBM 091 Extra"]
[Source "ChessBase"]
[SourceDate "2003.01.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.01.09"]
[SourceQuality "1"]

1. e4 c6 2. c4 e6 3. d4 d5 4. Nc3 dxe4 5. Nxe4 Nd7 6. Nf3 Ngf6 7. Ng3 c5 8. a3 cxd4 9. Nxd4 h5 10. h4 Ne5 11. Bf4 Ng6 12. Bg5 Qb6 13. b4 Bd7 14. c5 Qc7 15. Bd3 Qe5+ 16. Nge2 Ne4 17. f4 Qd5 18. Nb5 Rc8 19. Bxe4 Qxe4 20. Qxd7+ Kxd7 21. 0-0-0+ Kc6 22. Ned4+ Qxd4 23. Nxd4+ Kc7 24. f5 exf5 25. Nxf5 Kb8 26. Kb2 f6 27. Be3 Ka8 28. Rhe1 Ne5 29. Bf4 Nc6 30. Rd7 g6 31. Nd6 Bxd6 32. cxd6 g5 33. hxg5 fxg5 34. Bh2 a5 35. bxa5 Nxa5 36. Rc7 Rxc7 37. dxc7 b6 38. Re6 Kb7 39. Kc3 Nc6 40. Kc4 h4 41. Rg6 h3 42. g4 Ne5+ 43. Bxe5 h2 44. Bxh2 Rxh2 45. Rxg5 Kxc7 46. Rg7+ Kc6 47. Rg6+ Kc7 48. Rg7+ Kc6 49. Rg6+ Kc7 50. g5 Ra2 51. Rg7+ Kc6 52. Rg6+ Kc7 53. Kb3 Rg2 54. Kb4 Rb2+ 55. Kc3 Ra2 56. Kb3 Rg2 57. Rg8 Rg4 58. g6 Kc6 59. g7 Kb7 60. Kc3 Rg1 1/2-1/2

[Event "Sao Paulo CXSP"]
[Site "Sao Paulo"]
[Date "2002.11.30"]
[Round "6"]
[White "Nogueira, Ivan Kuhlmann"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "2255"]
[PlyCount "17"]
[EventDate "2002.11.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[EventCategory "1"]
[SourceTitle "CBM 091 Extra"]
[Source "ChessBase"]
[SourceDate "2003.01.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.01.09"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. e4 d6 5. Ne2 0-0 6. 0-0 e5 7. Nbc3 Nbd7 8. d3 c6 9. h3 1/2-1/2

[Event "Sao Paulo CXSP"]
[Site "Sao Paulo"]
[Date "2002.11.29"]
[Round "5"]
[White "Arruda, William Batista"]
[Black "De Souza, Mauro Guimaraes"]
[Result "0-1"]
[ECO "C77"]
[BlackElo "2343"]
[PlyCount "108"]
[EventDate "2002.11.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[EventCategory "1"]
[SourceTitle "CBM 091 Extra"]
[Source "ChessBase"]
[SourceDate "2003.01.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.01.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. 0-0 Bg7 8. Nbd2 0-0 9. Re1 Nd7 10. Nf1 Nc5 11. Bc2 Ne6 12. Ng3 Kh8 13. h4 Nf4 14. Bxf4 exf4 15. Ne2 Ne5 16. Nxf4 Bg4 17. d4 Nxf3+ 18. gxf3 Bd7 19. Ng2 Bh3 20. f4 Bxg2 21. Kxg2 Qxh4 22. Qf3 Bh6 23. f5 Qg5+ 24. Qg3 gxf5 25. Qxg5 Bxg5 26. exf5 Kg7 27. Kf3 Kf6 28. Rh1 Rh8 29. Rh5 Rag8 30. Be4 c6 31. Rah1 h6 32. Bd3 d5 33. R5h3 b5 34. a4 Rb8 35. axb5 axb5 36. Kg4 Kg7 37. f4 Bf6 38. b4 Ra8 39. Re3 Ra3 40. Rc1 h5+ 41. Kf3 Kh6 42. Be2 Rg8 43. Kf2 Bh4+ 44. Kf1 Bg3 45. Rf3 Rg4 46. c4 Rxf4 47. Kg2 Rfxf3 48. Bxf3 Bf4 49. cxb5 Bxc1 50. bxc6 Bf4 51. Bxd5 Rd3 52. Bxf7 Rxd4 53. b5 Bc7 54. f6 Rf4 0-1

[Event "Sao Paulo CXSP"]
[Site "Sao Paulo"]
[Date "2002.11.28"]
[Round "4"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2372"]
[PlyCount "59"]
[EventDate "2002.11.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[EventCategory "1"]
[SourceTitle "CBM 091 Extra"]
[Source "ChessBase"]
[SourceDate "2003.01.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.01.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 Rb8 15. g4 Qc7 16. g5 Rfd8 17. Bd3 Nf4 18. Kb1 Qb7 19. Qc3 Nxd3 20. Rxd3 Rxd3 21. cxd3 Qa6 22. b3 Rd8 23. Rd1 Bf5 24. Kb2 Rd5 25. Qb4 Rd8 26. Be7 Bxe4 27. Bxd8 Bxd3 28. Qb8 Qb5 29. Qxb5 Bxb5 30. Bf6 1-0

[Event "Sao Paulo CXSP"]
[Site "Sao Paulo"]
[Date "2002.11.27"]
[Round "3"]
[White "De Lima, Diogo Nakasawa"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "B79"]
[PlyCount "46"]
[EventDate "2002.11.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[EventCategory "1"]
[SourceTitle "CBM 091 Extra"]
[Source "ChessBase"]
[SourceDate "2003.01.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.01.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Ne5 11. Bb3 Qa5 12. Kb1 Rfc8 13. h4 Nc4 14. Bxc4 Rxc4 15. Nb3 Qa6 16. h5 Nxh5 17. g4 Nf6 18. Bh6 Bxh6 19. Qxh6 Rxc3 20. bxc3 Be6 21. g5 Nh5 22. Rxh5 gxh5 23. Qxh5 Qb5 1/2-1/2

[Event "Sao Paulo CXSP"]
[Site "Sao Paulo"]
[Date "2002.11.26"]
[Round "2"]
[White "Arruda, William Batista"]
[Black "Carvalho, Herbert Abreu"]
[Result "0-1"]
[ECO "B24"]
[BlackElo "2187"]
[PlyCount "68"]
[EventDate "2002.11.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[EventCategory "1"]
[SourceTitle "CBM 091 Extra"]
[Source "ChessBase"]
[SourceDate "2003.01.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.01.09"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Qd2 Ne7 8. Nce2 d5 9. c3 Nxe2 10. Nxe2 d4 11. Bh6 dxc3 12. Nxc3 0-0 13. h4 Nc6 14. h5 Bxh6 15. Qxh6 g5 16. f4 f6 17. 0-0-0 Qe7 18. e5 fxe5 19. Bxc6 bxc6 20. fxg5 Qg7 21. Qxg7+ Kxg7 22. h6+ Kg6 23. Ne4 Bd7 24. Rhf1 Rad8 25. b3 Bc8 26. Kc2 Rf5 27. g4 Rf4 28. Rg1 Rd5 29. Rg3 Ba6 30. Re1 Bc8 31. Nf6 Rf2+ 32. Kc3 Rxa2 33. Nxd5 exd5 34. b4 d4+ 0-1

[Event "Sao Paulo CXSP"]
[Site "Sao Paulo"]
[Date "2002.11.25"]
[Round "1"]
[White "Neubauer, Martin"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2388"]
[PlyCount "63"]
[EventDate "2002.11.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[EventCategory "1"]
[SourceTitle "CBM 091 Extra"]
[Source "ChessBase"]
[SourceDate "2003.01.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.01.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. d4 e5 8. Re1 Be7 9. d5 Na5 10. Nbd2 b5 11. a4 0-0 12. axb5 Qxb5 13. Qa4 Qxa4 14. Rxa4 Nb7 15. Nc4 Rfb8 16. Bg5 h6 17. Bxf6 Bxf6 18. Ra6 Be7 19. Rea1 Rd8 20. Nb6 Rab8 21. Rxa7 g6 22. Ne1 f5 23. f3 Bg5 24. Nc4 Rf8 25. Nd3 Rf7 26. exf5 gxf5 27. f4 exf4 28. Re1 Kf8 29. Re2 Re7 30. Rxe7 Kxe7 31. Na5 c4 32. Nf2 1-0

[Event "BRA U20"]
[Site "Araraquara"]
[Date "2002.04.??"]
[Round "6"]
[White "Arruda, William Batista"]
[Black "Santos, Cleiton D"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "85"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nge7 5. d3 g6 6. Be3 d6 7. Qd2 Bg7 8. Bh6 0-0 9. h4 Ne5 10. h5 Ng4 11. Bxg7 Kxg7 12. f3 Nf6 13. hxg6 fxg6 14. Qh6+ Kf7 15. Nh3 Neg8 16. Ng5+ Ke8 17. Qg7 Qe7 18. Qxe7+ Nxe7 19. Nxh7 Nxh7 20. Rxh7 Bd7 21. 0-0-0 b5 22. d4 b4 23. Ne2 c4 24. Nf4 g5 25. Nh3 Rg8 26. Nf2 a5 27. Ng4 Kd8 28. e5 d5 29. Nf6 Rf8 30. Rdh1 Bc8 31. Rg7 Nf5 32. Rxg5 Nxd4 33. c3 Nf5 34. Rh7 Rb8 35. Bh3 Ne3 36. Kd2 d4 37. cxd4 c3+ 38. bxc3 Nc4+ 39. Kd3 Ba6 40. Bxe6 Nxe5+ 41. Ke3 Rxf6 42. Rg8+ Rf8 43. Rxf8# 1-0

[Event "BRA U20"]
[Site "Araraquara"]
[Date "2002.04.??"]
[Round "7"]
[White "Pinheiro, Iung Alicio"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2181"]
[PlyCount "109"]
[EventDate "2002.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. f4 d5 7. e5 h5 8. Nf3 Nh6 9. a4 b4 10. Ne2 Nc6 11. Be3 Be7 12. h3 Nf5 13. Bf2 g6 14. 0-0 Qc7 15. c3 a5 16. Qd2 Ba6 17. Rfc1 Rc8 18. Kh2 Kf8 19. Neg1 Kg7 20. d4 c4 21. Ng5 Rb8 22. N1f3 bxc3 23. bxc3 Rb3 24. Rc2 Qb6 25. Bf1 Rb8 26. g4 hxg4 27. hxg4 Nh6 28. Bh3 Rb2 29. Ra2 Rxc2 30. Rxc2 Qb3 31. Be3 Ba3 32. f5 exf5 33. Ne6+ fxe6 34. Bxh6+ Kf7 35. Ng5+ Ke7 36. gxf5 gxf5 37. Nxe6 Qxc2 38. Qxc2 Rb2 39. Qxb2 Bxb2 40. Nf4 Nxd4 41. cxd4 Bxd4 42. Nxd5+ Kf7 43. e6+ Kxe6 44. Nc7+ Kd7 45. Nxa6 Kc8 46. Bf4 c3 47. Bxf5+ Kb7 48. Nc7 Kc6 49. Kg2 Bh8 50. Kf3 Kc5 51. Bc2 Kb4 52. Bd6+ Kc4 53. Ke4 Bg7 54. Nd5 Bh6 55. Nb6# 1-0

[Event "Sao Paulo-ch"]
[Site "Sao Paulo"]
[Date "2002.03.??"]
[Round "4"]
[White "Cominato Neto, Jose Luis"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "97"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. Nf3 Bb7 5. d3 e6 6. g3 d5 7. exd5 exd5 8. d4 Nf6 9. Bg2 Be7 10. 0-0 0-0 11. h3 Ne4 12. Ne2 Nc6 13. Kh2 Rc8 14. Be3 Bf6 15. c3 b4 16. Ne5 bxc3 17. bxc3 cxd4 18. cxd4 Na5 19. Rb1 Qe7 20. Qa4 Bxe5 21. Qxa5 Bd6 22. Rb2 Rb8 23. Rfb1 Rfc8 24. Bd2 h5 25. h4 Nf6 26. Nc3 Rc4 27. Nxd5 Ng4+ 28. Kh1 Qe2 29. Rxb7 Rxb7 30. Re1 Nf2+ 31. Kg1 Qd3 32. Kxf2 Qxd4+ 33. Be3 Qb2+ 34. Kg1 Rb8 35. Qxa6 Bb4 36. Rf1 Rc2 37. Be4 Re2 38. Bf3 Rxe3 39. Nxe3 Bc5 40. Qd3 Re8 41. Re1 Qb6 42. Kf2 Qb2+ 43. Re2 Qc1 44. Bxh5 g6 45. Bf3 Kg7 46. h5 f5 47. Qd7+ Re7 48. Qd3 gxh5 49. Bxh5 1-0

[Event "Sao Paulo-ch"]
[Site "Sao Paulo"]
[Date "2002.03.??"]
[Round "1"]
[White "Godelli, Arthur"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "99"]
[EventDate "2002.03.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 0-0 5. Nf3 d6 6. Nbd2 Nbd7 7. Bc4 b6 8. 0-0 Bb7 9. c3 c5 10. Re1 Rc8 11. Be2 Nh5 12. Bh2 e5 13. Nc4 Qc7 14. dxe5 dxe5 15. Qd6 Rfe8 16. Rad1 Bc6 17. Qxc7 Rxc7 18. g4 Bxf3 19. Bxf3 Nhf6 20. Nd6 Re7 21. Nb5 Ne8 22. Nxc7 Nxc7 23. Bc6 Nf8 24. Rd2 Nce6 25. Red1 Rc7 26. Rd6 Bf6 27. Ba4 Be7 28. R6d2 Ng5 29. Kg2 f6 30. f4 exf4 31. exf4 Ne4 32. Re2 f5 33. Bc2 Nd6 34. Rde1 Kf7 35. gxf5 gxf5 36. Re5 Ng6 37. R5e2 Rc8 38. Bg3 Rg8 39. Kf3 Rd8 40. Rd1 Re8 41. Red2 Ke6 42. Re2+ Kf7 43. Rd5 Rd8 44. Bxf5 Nxf5 45. Rxf5+ Kg7 46. c4 Bh4 47. Rd5 Rf8 48. f5 Rf7 49. Bxh4 Nxh4+ 50. Kg4 1-0

[Event "Itau Cup 5th"]
[Site "Sao Paulo"]
[Date "2001.10.15"]
[Round "3"]
[White "Marra, Eduardo da Costa"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2202"]
[PlyCount "39"]
[EventDate "2001.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 084 Extra"]
[Source "ChessBase"]
[SourceDate "2001.10.26"]
[SourceVersion "1"]
[SourceVersionDate "2001.10.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. Nc3 d6 8. 0-0 Be7 9. Qe2 e5 10. f4 0-0 11. Kh1 Rb8 12. b3 Qc7 13. Bb2 d5 14. fxe5 dxe4 15. Nxe4 Ng4 16. Ng3 Bc5 17. Nf5 Bxf5 18. Rxf5 Ne3 19. Rf3 Ng4 20. Qe4 1-0

[Event "Batatais ol U16"]
[Site "Batatais"]
[Date "2001.09.24"]
[Round "6"]
[White "Diaz, Robert"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2307"]
[PlyCount "44"]
[EventDate "2001.09.19"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Be2 cxd4 7. cxd4 Be7 8. Nc3 Qd8 9. 0-0 0-0 10. Qb3 b6 11. Rd1 Bb7 12. Bf4 Nc6 13. a3 Na5 14. Qa2 Rc8 15. Rac1 Nd5 16. Bg3 a6 17. Nxd5 Bxd5 18. Qb1 Bc4 19. Bd3 Bxd3 20. Qxd3 b5 21. Rxc8 Qxc8 22. d5 exd5 1/2-1/2

[Event "Batatais ol U16"]
[Site "Batatais"]
[Date "2001.09.23"]
[Round "5"]
[White "Arruda, William Batista"]
[Black "Marmol Villalba, Jorge Orlando"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "66"]
[EventDate "2001.09.19"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 Nc6 5. d3 g6 6. f4 Bg7 7. Nf3 Bd7 8. 0-0 Qc8 9. Be3 0-0 10. Nh4 Ng4 11. Bd2 Bd4+ 12. Kh1 Nf2+ 13. Rxf2 Bxf2 14. Qf3 Bd4 15. f5 Bg7 16. Nd5 Qd8 17. Bf4 Ne5 18. Qe3 Ng4 19. Qf3 Nf6 20. Ne3 Bc6 21. g4 e5 22. Bg5 h6 23. Bxh6 Bxh6 24. fxg6 Nxe4 25. gxf7+ Rxf7 26. Nhf5 Qh4 27. dxe4 Qf6 28. Rf1 Bf4 29. Bh3 Rd8 30. g5 Bxg5 31. Qh5 Bxe4+ 32. Kg1 Rdf8 33. Ng3 Bxe3+ 0-1

[Event "Batatais ol U16"]
[Site "Batatais"]
[Date "2001.09.21"]
[Round "3"]
[White "Michiels, Rob"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "79"]
[EventDate "2001.09.19"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Be2 Nc6 7. 0-0 cxd4 8. cxd4 Be7 9. Nc3 Qd8 10. Bf4 0-0 11. Qd2 Nb4 12. Rac1 Nbd5 13. Nxd5 Nxd5 14. Bg3 a6 15. Ne5 Bd7 16. a3 Ba4 17. Bd3 Bh4 18. Bxh4 Qxh4 19. g3 Qh5 20. Be2 Qf5 21. Bg4 Qf6 22. f4 Bb5 23. Rf2 Qh6 24. Re1 Rae8 25. Qc2 f6 26. Nd3 Qg6 27. Be2 Qe4 28. a4 Bc6 29. Bf3 Qxd4 30. Re4 Qb6 31. Qc5 Qxc5 32. Nxc5 Ne7 33. Rxe6 Nd5 34. Rd6 Rd8 35. Rxc6 bxc6 36. Ne6 Rfe8 37. Nxd8 Rxd8 38. Rc2 Rd6 39. Rxc6 Rd8 40. Rxa6 1-0

[Event "Batatais ol U16"]
[Site "Batatais"]
[Date "2001.09.20"]
[Round "2"]
[White "Arruda, William Batista"]
[Black "Di Berardino, Diego Rafael"]
[Result "0-1"]
[ECO "D01"]
[BlackElo "2207"]
[PlyCount "55"]
[EventDate "2001.09.19"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 g6 4. f3 Bg7 5. e4 dxe4 6. fxe4 c5 7. d5 Qa5 8. Qd2 Qb4 9. e5 Ne4 10. Nxe4 Qxe4+ 11. Be2 Bg4 12. d6 exd6 13. Qxd6 Nc6 14. 0-0-0 Bxe5 15. Qxc5 Bd4 16. Rxd4 Nxd4 17. Bxg4 b6 18. Qc4 0-0 19. Bf3 Qe5 20. Bf6 Qxf6 21. Bxa8 Qg5+ 22. Kb1 Rxa8 23. Qf1 Qd2 24. c3 Re8 25. Nf3 Qc2+ 26. Ka1 Re2 27. Qd1 Nxf3 28. gxf3 0-1

[Event "Batatais ol U16"]
[Site "Batatais"]
[Date "2001.09.19"]
[Round "1"]
[White "Tikkanen, Hans"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2255"]
[PlyCount "27"]
[EventDate "2001.09.19"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 Nbd7 7. e5 Ne8 8. h4 c5 9. Be3 Qa5 10. e6 fxe6 11. h5 e5 12. dxe5 dxe5 13. hxg6 exf4 14. Qd5+ 1-0

[Event "BRA-ch U16"]
[Site "Volta Redonda"]
[Date "2001.05.06"]
[Round "5.5"]
[White "Arruda, William Batista"]
[Black "Miguel, Daniel M"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1976"]
[BlackElo "1858"]
[PlyCount "61"]
[EventDate "2001.05.??"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Bg5 13. a4 Rb8 14. axb5 axb5 15. Nce3 Bxe3 16. Nxe3 Be6 17. Bd3 b4 18. c4 Nd4 19. 0-0 Qg5 20. Nc2 Bh3 21. Ne3 Rfe8 22. Kh1 Bd7 23. Nc2 Ne6 24. Be2 Nf4 25. Ne3 Qg6 26. Bf3 Red8 27. Ra6 Bc8 28. Ra5 Be6 29. Ra6 Bc8 30. Ra5 Be6 31. Ra6 1/2-1/2

[Event "BRA-ch U16"]
[Site "Volta Redonda"]
[Date "2001.05.06"]
[Round "6.8"]
[White "Cominato Neto, Jose Luis"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1893"]
[BlackElo "1976"]
[PlyCount "100"]
[EventDate "2001.05.??"]
[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 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 Nxb5 7. Nxb5 d6 8. Nc3 Nf6 9. d3 0-0 10. h3 d5 11. e5 Ne8 12. Qe1 e6 13. Bd2 Nc7 14. g4 b5 15. g5 Bb7 16. Nh2 b4 17. Ne2 d4 18. Ng3 Nd5 19. Ng4 Re8 20. Ne4 Kh8 21. Ngf6 Nxf6 22. gxf6 Bf8 23. Ng5 Kg8 24. Qg3 h6 25. Nxe6 Rxe6 26. f5 Rxe5 27. Qxe5 Bd6 28. Qe2 Qxf6 29. fxg6 Qxg6+ 30. Qg4 Qxg4+ 31. hxg4 Bd5 32. Bxh6 Kh7 33. Bf4 Be7 34. Rae1 Be6 35. Rf2 Rg8 36. Rh2+ Kg7 37. Be5+ Kf8 38. Rh8 Rxh8 39. Bxh8 Bxg4 40. Be5 Ke8 41. Bb8 a6 42. Kf2 Kd7 43. Kg3 Be6 44. Be5 Kc6 45. Kf4 a5 46. Kg3 Kb5 47. Rf1 Bxa2 48. b3 a4 49. Rxf7 axb3 50. cxb3 Bg5 1/2-1/2

[Event "BRA-ch U16"]
[Site "Volta Redonda"]
[Date "2001.05.05"]
[Round "3.4"]
[White "Arruda, William Batista"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1976"]
[BlackElo "2076"]
[PlyCount "87"]
[EventDate "2001.05.??"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 d4 12. Ne4 Bf5 13. Bg5 Bxe4 14. Bxe4 Qd6 15. Bxf6 Qxf6 16. Qd3 h6 17. Rad1 Rfd8 18. f4 Rac8 19. Qb5 Rc7 20. Qf5 Qxf5 21. Bxf5 Ne7 22. Bd3 Nd5 23. Rd2 Re7 24. Re2 Rxe2 25. Bxe2 Ne3 26. Rc1 Rc8 27. Bd3 g5 28. fxg5 hxg5 29. g3 Kg7 30. Re1 Rc6 31. c3 dxc3 32. Rxe3 c2 33. Bxc2 Rxc2 34. Rb3 b6 35. Rb5 Kg6 36. g4 Rc4 37. h3 Rc2 38. a4 f6 39. a5 bxa5 40. Rxa5 Rc7 41. Rb5 Rc1+ 42. Kg2 Ra1 43. b4 Ra3 44. Ra5 1/2-1/2

[Event "BRA-ch U16"]
[Site "Volta Redonda"]
[Date "2001.05.05"]
[Round "4.6"]
[White "Mekhitarian, Krikor Sevag"]
[Black "Arruda, William Batista"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2006"]
[BlackElo "1976"]
[PlyCount "105"]
[EventDate "2001.05.??"]
[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 c5 2. Nc3 a6 3. f4 e6 4. Nf3 b5 5. d4 cxd4 6. Nxd4 Bb7 7. Bd3 Nf6 8. Qf3 Be7 9. Be3 d6 10. g4 Nfd7 11. 0-0 Nc5 12. f5 e5 13. f6 Bxf6 14. Nf5 0-0 15. Rad1 g6 16. Nxd6 Qxd6 17. Qxf6 Qxf6 18. Rxf6 Nbd7 19. Rd6 b4 20. Ne2 Nxd3 21. R1xd3 Nb8 22. Bh6 Re8 23. Bd2 a5 24. c3 Na6 25. cxb4 axb4 26. Rb3 Bxe4 27. Bxb4 Nxb4 28. Rxb4 Bf3 29. Nc3 Rab8 30. Rdb6 Rxb6 31. Rxb6 Bxg4 32. Ne4 Kg7 33. Kf2 Re6 34. Rxe6 Bxe6 35. a4 f5 36. Nc5 Kf6 37. a5 Bd5 38. Nd7+ Ke6 39. Nb6 Bb7 40. b4 Ba6 41. Na4 Bc4 42. a6 Kd6 43. a7 Bd5 44. Nb6 Be4 45. Nc4+ Kc7 46. b5 Ba8 47. b6+ Kc6 48. Nxe5+ Kxb6 49. Nd7+ Kxa7 50. Nf8 Kb6 51. Nxh7 Kc5 52. Nf8 Kd6 53. Nxg6 1/2-1/2

[Event "BRA-ch U16"]
[Site "Volta Redonda"]
[Date "2001.05.04"]
[Round "2.9"]
[White "Albizzati, Alexandre Couto"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "1805"]
[BlackElo "1976"]
[PlyCount "52"]
[EventDate "2001.05.??"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. g3 Nbd7 7. Bg2 e5 8. d5 Nc5 9. Qc2 a5 10. 0-0 Ne8 11. Na4 Nxa4 12. Qxa4 f5 13. Nd2 Nf6 14. Re1 Nd7 15. b4 Nb6 16. Qb3 axb4 17. Qxb4 Nd7 18. Nb3 b6 19. Bb2 f4 20. Qc3 g5 21. g4 h5 22. h3 Nf6 23. f3 Qe8 24. Kf1 Qg6 25. gxh5 Qxh5 26. Ke2 Nxe4 0-1

[Event "BRA-ch U16"]
[Site "Volta Redonda"]
[Date "2001.05.04"]
[Round "1.9"]
[White "Arruda, William Batista"]
[Black "Costa e Silva, Mikhael"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "1307"]
[BlackElo "1976"]
[PlyCount "35"]
[EventDate "2001.05.??"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. f3 Nc6 8. Be3 Bd7 9. Qd2 0-0 10. Bb3 a6 11. h4 Na5 12. h5 Nxb3 13. axb3 Nxh5 14. g4 Bxd4 15. Bxd4 e5 16. gxh5 g5 17. Be3 h6 18. Qxd6 1-0

[Event "Paulisto-ch"]
[Site "Sorocaba"]
[Date "2001.??.??"]
[Round "2"]
[White "Arruda, William Batista"]
[Black "De Souza Haro, Paulo Cezar"]
[Result "0-1"]
[ECO "C44"]
[BlackElo "2262"]
[PlyCount "100"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. 0-0 d6 6. c3 d3 7. Qxd3 Qe7 8. Be3 Bxe3 9. Qxe3 Nf6 10. Re1 0-0 11. Nbd2 Re8 12. h3 Qf8 13. Qd3 Bd7 14. Rad1 Re7 15. Bb3 Rae8 16. Bc2 g6 17. c4 Nb4 18. Qb3 Nxc2 19. Qxc2 Qg7 20. Nd4 Nh5 21. N2f3 Nf4 22. b3 Qf6 23. a3 a6 24. Re3 c5 25. Ne2 Nxe2+ 26. Qxe2 Bc6 27. Re1 Rxe4 28. Qd3 Rxe3 29. Rxe3 Rxe3 30. Qxe3 Bxf3 31. gxf3 Qe5 32. Qe4 Qxe4 33. fxe4 Kg7 34. Kg2 Kf6 35. Kf3 Ke5 36. Ke3 g5 37. f3 f5 38. exf5 Kxf5 39. b4 b6 40. b5 a5 41. a4 h5 42. Kf2 Kf4 43. Kg2 Ke3 44. Kg3 Kd4 45. h4 gxh4+ 46. Kxh4 d5 47. cxd5 Kxd5 48. Kxh5 c4 49. f4 c3 50. f5 c2 0-1

[Event "Itau Cup 5th"]
[Site "Sao Paulo"]
[Date "2001.??.??"]
[Round "8"]
[White "Da Mata, Luiz Carlos"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "B79"]
[WhiteElo "2140"]
[PlyCount "58"]
[EventDate "2001.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 085 Extra"]
[Source "ChessBase"]
[SourceDate "2002.01.21"]
[SourceVersion "1"]
[SourceVersionDate "2002.01.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. h4 Ne5 11. Bb3 Qa5 12. 0-0-0 Rfc8 13. Kb1 Nc4 14. Bxc4 Rxc4 15. Nb3 Qa6 16. g4 Rac8 17. Bd4 e5 18. Be3 Rxc3 19. bxc3 Bxg4 20. Rhf1 Bxf3 21. Qxd6 Bxd1 22. Rxf6 Bxc2+ 23. Kb2 Bxf6 24. Qxa6 bxa6 25. Kxc2 Bxh4 26. Nc5 Be1 27. Kb3 h5 28. Kb4 h4 29. Nd3 h3 0-1

[Event "Paulisto-ch 1a etapa"]
[Site "Santos"]
[Date "2001.??.??"]
[Round "1"]
[White "De Toledo, James Mann"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2384"]
[PlyCount "57"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 11. c3 f5 12. exf5 Bxf5 13. Nc2 0-0 14. Nce3 Be6 15. Bd3 f5 16. Qh5 e4 17. Bc2 b4 18. 0-0 Rb8 19. f3 bxc3 20. bxc3 Rb2 21. fxe4 Rxc2 22. Nxc2 fxe4 23. Rxf8+ Qxf8 24. Re1 Qd8 25. Nce3 Ne5 26. c4 Bf7 27. Qf5 Bg6 28. Qe6+ Kh8 29. Ne7 1-0

[Event "Itau Cup 5th"]
[Site "Sao Paulo"]
[Date "2001.??.??"]
[Round "9"]
[White "Franco, Haroldo"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2126"]
[PlyCount "101"]
[EventDate "2001.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 085 Extra"]
[Source "ChessBase"]
[SourceDate "2002.01.21"]
[SourceVersion "1"]
[SourceVersionDate "2002.01.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. b3 Nc6 4. Bb5 Bd7 5. 0-0 Nf6 6. Re1 g6 7. Bb2 Bg7 8. Nc3 0-0 9. Nd5 Ne5 10. Nxf6+ Bxf6 11. Bxe5 dxe5 12. Bxd7 Qxd7 13. d3 Rad8 14. Rb1 Qc7 15. Qd2 Bg7 16. a4 Rd6 17. Qc3 Rc6 18. Qc4 Bf6 19. h3 Rd8 20. Qc3 b6 21. Nd2 Rd4 22. Nc4 Bg5 23. Re2 a6 24. Ne3 e6 25. Ng4 h5 26. Nh2 Bh6 27. Nf3 a5 28. Nxd4 cxd4 29. Qb2 Bf8 30. Rf1 Kh7 31. Kh1 Rc3 32. Kg1 Rc6 33. Qc1 Bh6 34. Qb1 Bf8 35. Qd1 Bh6 36. Rfe1 Rc3 37. g3 h4 38. Rf1 Qe7 39. f4 hxg3 40. fxe5 Bg7 41. Rg2 Bxe5 42. Qg4 f5 43. exf5 exf5 44. Qe2 Qc7 45. h4 Bf4 46. h5 Rc6 47. Qe8 Be3+ 48. Kh1 f4 49. Rxg3 gxh5 50. Rg8 Rf6 51. Rh8+ 1-0

[Event "BRA-ch 1/2 final"]
[Site "Santos"]
[Date "2000.??.??"]
[Round "2"]
[White "Arruda, William Batista"]
[Black "Yamamoto, Paulo de Carvalho"]
[Result "1-0"]
[ECO "D04"]
[PlyCount "37"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. c4 e6 5. Qb3 Qc8 6. Ne5 c6 7. Nc3 Bd6 8. f4 Bf5 9. Bd2 Nbd7 10. Rc1 Be4 11. cxd5 Bxd5 12. Qc2 c5 13. Nb5 Be7 14. dxc5 0-0 15. c6 bxc6 16. Nxc6 Bc5 17. Ncd4 Bxd4 18. Nxd4 Bb7 19. Qb3 1-0

[Event "BRA-ch 1/2 final"]
[Site "Santos"]
[Date "2000.??.??"]
[Round "3"]
[White "Delai, Paula Fernanda"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "97"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Be6 9. Bc4 Be7 10. Bg5 0-0 11. Bxf6 Bxf6 12. 0-0 Rc8 13. Nd5 Bg5 14. c3 Ne7 15. Qd3 Bxd5 16. Bxd5 Nxd5 17. Qxd5 Qd7 18. Nc4 Qc7 19. Nd2 Qc5 20. Qd3 Bxd2 21. Qxd2 Rfd8 22. Rfd1 Qc4 23. Qd5 Qxd5 24. Rxd5 Rc5 25. Rad1 Rxd5 26. Rxd5 Kf8 27. Kf1 Ke7 28. Ke2 Ke6 29. g4 h5 30. g5 Rc8 31. Kd3 f5 32. gxf6 gxf6 33. f4 f5 34. fxe5 dxe5 35. b3 f4 36. Kc2 Rg8 37. Rd2 f3 38. Kd3 Rg2 39. Ke3 Kf6 40. Rf2 Rxf2 41. Kxf2 Kg5 42. Kxf3 Kh4 43. b4 Kh3 44. b5 axb5 45. axb5 Kxh2 46. c4 h4 47. Kf2 h3 48. b6 Kh1 49. c5 1-0

[Event "BRA-ch 1/2 final"]
[Site "Santos"]
[Date "2000.??.??"]
[Round "1"]
[White "Nogueira, Ivan Kuhlmann"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2243"]
[PlyCount "47"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[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. Bb5 e6 4. 0-0 Nge7 5. Re1 d6 6. c3 a6 7. Bf1 d5 8. exd5 Nxd5 9. d4 cxd4 10. Nxd4 Bd7 11. Nf5 Qf6 12. Qxd5 Kd8 13. Qb3 Qxf5 14. Be3 Bc5 15. Bxc5 Qxc5 16. Nd2 Ke7 17. Ne4 Qa5 18. Rad1 Rhd8 19. Qxb7 Rab8 20. Rxd7+ Rxd7 21. Qxc6 Rxb2 22. a4 Ra2 23. Bxa6 Qf5 24. Bb5 1-0

[Event "Paulisto-ch final"]
[Site "Americana"]
[Date "1999.??.??"]
[Round "2"]
[White "Arruda, William Batista"]
[Black "Dianda, Joao Carlos"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "2164"]
[PlyCount "42"]
[EventDate "1999.11.??"]
[EventType "k.o."]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 073 Extra"]
[Source "ChessBase"]
[SourceDate "2000.01.11"]
[SourceVersion "1"]
[SourceVersionDate "2000.01.11"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. Nc3 Bc5 8. Nf3 Nc6 9. Be2 0-0 10. 0-0 a6 11. a3 b5 12. Qd2 Rd8 13. Rad1 Bb7 14. Rfe1 d6 15. Bf1 Rac8 16. h3 Bb6 17. Nh2 Ne5 18. b3 Rxc3 19. Bxb5 Bxf2+ 20. Qxf2 Qxf2+ 21. Kxf2 axb5 0-1

[Event "Paulisto-ch final"]
[Site "Americana"]
[Date "1999.??.??"]
[Round "1"]
[White "Dianda, Joao Carlos"]
[Black "Arruda, William Batista"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2164"]
[PlyCount "106"]
[EventDate "1999.11.??"]
[EventType "k.o."]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 073 Extra"]
[Source "ChessBase"]
[SourceDate "2000.01.11"]
[SourceVersion "1"]
[SourceVersionDate "2000.01.11"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. Nf3 Bg7 4. 0-0 0-0 5. d3 d6 6. e4 Nc6 7. Nbd2 e5 8. c3 a5 9. a4 Ne8 10. Nc4 f5 11. exf5 gxf5 12. Ng5 d5 13. Na3 h6 14. Nh3 Nf6 15. f4 e4 16. Nb5 Ne7 17. Nf2 c6 18. Nd4 Qb6 19. Qb3 Qxb3 20. Nxb3 b6 21. Be3 c5 22. d4 c4 23. Nd2 Ba6 24. Nd1 Kh7 25. Bf2 Nc8 26. Ne3 Nd6 27. Bh3 Kg6 28. Rfe1 h5 29. Ndf1 Bh6 30. Ng2 Ng4 31. Nh4+ Kf6 32. Bg2 Kf7 33. h3 Nf6 34. Ne3 Bc8 35. Bf1 Rg8 36. Kh2 Bd7 37. Reb1 Rac8 38. Be1 Be6 39. Be2 Rc6 40. b3 Bd7 41. bxc4 Nxc4 42. Bxc4 dxc4 43. Nhxf5 Bxf5 44. Nxf5 Bf8 45. Ne3 h4 46. Rb5 Bd6 47. Nf5 hxg3+ 48. Bxg3 Bf8 49. Rab1 Nh5 50. Nd6+ Bxd6 51. Rxh5 e3 52. Kg2 Bxf4 53. Rf1 Rf6 0-1

[Event "Itau Mercosul Cup 3rd"]
[Site "Sao Paulo"]
[Date "1999.??.??"]
[Round "1"]
[White "Rocha, Wellington Carlos"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2361"]
[PlyCount "65"]
[EventDate "1999.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Bxf6 gxf6 10. Na3 f5 11. Bd3 f4 12. Nd5 b5 13. c3 Be7 14. Nc2 Be6 15. g3 fxg3 16. hxg3 Na5 17. Nce3 Nb7 18. b4 Bf6 19. a4 bxa4 20. Rxa4 a5 21. Bb5+ Kf8 22. Bc6 Bc8 23. Nc4 Ra7 24. Bxb7 Bxb7 25. Rxa5 Rxa5 26. Nxa5 Bxd5 27. Qxd5 Be7 28. Nc6 Qb6 29. 0-0 Rg8 30. Kg2 h5 31. Ra1 Rxg3+ 32. fxg3 Qe3 33. Rf1 1-0

[Event "Paulisto-ch"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "1"]
[White "Tsuboi, Edson Kenji"]
[Black "Arruda, William Batista"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2330"]
[PlyCount "33"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Be7 7. cxd5 exd5 8. Qc2 0-0 9. Bd3 Bd6 10. Bxh7+ Kh8 11. Bd3 Re8 12. 0-0 g6 13. e4 dxe4 14. Nxe4 Bb8 15. Rfe1 Kg7 16. d5 Qc7 17. Nxf6 1-0

[Event "Sao Paulo State-ch3"]
[Site "Sao Caetano do Sul"]
[Date "1998.??.??"]
[Round "?"]
[White "Arruda, William Batista"]
[Black "Rocha, Wellington Carlos"]
[Result "0-1"]
[ECO "B56"]
[BlackElo "2325"]
[PlyCount "66"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Nxc6 bxc6 7. g3 e5 8. Bg2 Ba6 9. b3 Be7 10. Bb2 0-0 11. Qd2 Nh5 12. 0-0-0 Bg5 13. f4 Nxf4 14. Kb1 Nxg2 15. Qxg2 Be7 16. h4 Qd7 17. Na4 Qe6 18. g4 Rad8 19. g5 d5 20. h5 d4 21. h6 g6 22. Bc1 c5 23. Qh3 Qc6 24. Qf3 c4 25. Rdg1 Rb8 26. Bb2 c3 27. Nxc3 dxc3 28. Bxc3 Rbc8 29. Bxe5 Qxc2+ 30. Ka1 Rfd8 31. Rg2 Qd3 32. Qf4 Ba3 33. Qf6 Qd1+ 0-1

