[Event "Irece IRT 2nd"]
[Site "Irece"]
[Date "2015.12.18"]
[Round "11"]
[White "Vieira, Wilter Pereira"]
[Black "Stone, Jaime Arturo Peralt"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1824"]
[BlackElo "1836"]
[PlyCount "35"]
[EventDate "2015.12.14"]
[EventType "swiss"]
[EventRounds "11"]
[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. Bc4 Bc5 4. d3 h6 5. Be3 Qe7 6. a3 Nf6 7. 0-0 0-0 8. b4 Bxe3 9. fxe3 d6 10. h3 Be6 11. Bxe6 Qxe6 12. c4 Nh5 13. Nc3 Ne7 14. Nd5 Qd7 15. Nxe5 dxe5 16. Qxh5 Nxd5 17. cxd5 Rad8 18. Rad1 1/2-1/2

[Event "Irece IRT 2nd"]
[Site "Irece"]
[Date "2015.12.17"]
[Round "9"]
[White "Duarte, Wendell Dourado"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C22"]
[BlackElo "1824"]
[PlyCount "40"]
[EventDate "2015.12.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qd1 h6 5. Nf3 Nf6 6. Nc3 Bb4 7. Bd2 0-0 8. Qe2 Bxc3 9. Bxc3 Nxe4 10. 0-0-0 Nxc3 11. bxc3 d6 12. Qb5 Qf6 13. Qb2 Qf4+ 14. Kb1 Be6 15. g3 Qxf3 16. Bb5 a6 17. Bxc6 bxc6 18. Rhf1 Rfb8 19. Qxb8+ Rxb8+ 20. Ka1 Qxc3# 0-1

[Event "Irece IRT 2nd"]
[Site "Irece"]
[Date "2015.12.17"]
[Round "8"]
[White "Vieira, Wilter Pereira"]
[Black "Kruschewsky, Maria Eduarda Gonza"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1824"]
[PlyCount "38"]
[EventDate "2015.12.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. e3 f5 3. Bd3 Nf6 4. Nd2 d5 5. c3 Bd6 6. f4 0-0 7. Ngf3 Nbd7 8. 0-0 Ne4 9. Bxe4 fxe4 10. Ne5 Qh4 11. Qg4 Qh6 12. Qe2 Nf6 13. Rf2 Bd7 14. g4 Qh4 15. g5 Bxe5 16. fxe5 Ng4 17. Rg2 h5 18. Nb3 Bb5 19. Rxg4 hxg4 0-1

[Event "Irece IRT 2nd"]
[Site "Irece"]
[Date "2015.12.16"]
[Round "5"]
[White "Ramos, Dourivan Junior Bar"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C78"]
[BlackElo "1824"]
[PlyCount "78"]
[EventDate "2015.12.14"]
[EventType "swiss"]
[EventRounds "11"]
[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 b5 5. Bb3 Bc5 6. 0-0 d6 7. h3 Nf6 8. d3 h6 9. c4 Bd7 10. Nc3 Nd4 11. Nxd4 Bxd4 12. Bd2 Bxc3 13. Bxc3 c5 14. a3 0-0 15. Qe2 Nh7 16. Bd2 Be6 17. Bc2 f5 18. f3 f4 19. Be1 Ng5 20. Bh4 Nxh3+ 21. gxh3 Qxh4 22. Qf2 Qxh3 23. cxb5 Rf6 24. Qh2 Rg6+ 25. Kh1 Rg2 26. Qxh3 Bxh3 27. Rg1 Rxc2 28. Rab1 axb5 29. Rg6 Rd8 30. Rbg1 Kh8 31. Rxg7 Rxb2 32. R7g6 Kh7 33. Rg7+ Kh8 34. R7g6 Bg2+ 35. R1xg2 Rxg2 36. Kxg2 Kh7 37. Rg4 Ra8 38. Kh3 Rxa3 39. Kh4 Rxd3 0-1

[Event "Irece IRT 2nd"]
[Site "Irece"]
[Date "2015.12.16"]
[Round "7"]
[White "Soares Junior, Douglas Borges"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1824"]
[PlyCount "122"]
[EventDate "2015.12.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 h6 3. e3 Nf6 4. Nc3 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. e4 Bb4 8. exd5 Qxd5 9. Qxd5 Bxc3+ 10. bxc3 Nxd5 11. Bb2 0-0 12. c4 Nf4 13. g3 Ng6 14. Bg2 c6 15. d5 exd5 16. cxd5 Re8+ 17. Kf1 cxd5 18. Bxd5 Nc6 19. Bxc6 bxc6 20. Re1 Rxe1+ 21. Kxe1 Rb8 22. Bc1 Rb1 23. Kd2 Ne5 24. Kc3 f6 25. f4 Nd7 26. Re1 Kf7 27. Bd2 Rxe1 28. Bxe1 Ke6 29. Kd3 h5 30. Ke3 Kd5 31. g4 hxg4 32. hxg4 g6 33. Bh4 f5 34. Kf3 Kc4 35. Be1 Nf8 36. a3 Ne6 37. Bd2 Nd4+ 38. Kg3 Nxc2 39. Bc1 Nd4 40. Be3 c5 41. Kh4 Ne6 42. Bc1 Kd4 43. Kg3 Ke4 44. Bd2 c4 45. Bc1 Nc5 46. Bd2 Kd3 47. Bb4 Ne4+ 48. Kf3 c3 49. Bxc3 Kxc3 50. gxf5 gxf5 51. Kg2 Kb3 52. Kh3 Kxa3 53. Kg2 Kb2 54. Kf3 a5 55. Ke3 a4 56. Kd3 a3 57. Kd4 a2 58. Ke5 Ng3 59. Kf6 a1Q 60. Kg5 Qd1 61. Kh4 Qg4# 0-1

[Event "Irece IRT 2nd"]
[Site "Irece"]
[Date "2015.12.16"]
[Round "6"]
[White "Vieira, Wilter Pereira"]
[Black "Sodre, Igor Eduardo Araujo"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1824"]
[PlyCount "76"]
[EventDate "2015.12.14"]
[EventType "swiss"]
[EventRounds "11"]
[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. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. f4 Nd7 7. Nf3 h6 8. f5 Qe7 9. fxe6 Qxe6 10. 0-0 0-0-0 11. Bf4 g5 12. Bg3 f5 13. exf6 Ngxf6 14. Re1 Qg4 15. Ne5 Qh5 16. Nxc6 Re8 17. Rxe8+ Qxe8 18. Nxa7+ Kd8 19. Qc3 Ne4 20. Qa5+ Ke7 21. Na3 b6 22. Qxd5 Kf6 23. Rf1+ Kg7 24. Be5+ Nxe5 25. dxe5 Bc5+ 26. Kh1 Nf2+ 27. Kg1 Nh3+ 28. Kh1 Nf2+ 29. Rxf2 Bxf2 30. e6 Rf8 31. Nc6 Rf6 32. Qd7+ Kf8 33. e7+ Kf7 34. Qd5+ Kg7 35. Qe5 Bg3 36. hxg3 Kf7 37. Qd5+ Kg7 38. Qe5 Qh5+ 1/2-1/2

[Event "Irece IRT 2nd"]
[Site "Irece"]
[Date "2015.12.15"]
[Round "3"]
[White "Rodrigues, Ismael Gomes Bonfim"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1824"]
[PlyCount "102"]
[EventDate "2015.12.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 h6 3. Nf3 Nf6 4. h3 e6 5. a3 c5 6. e3 a6 7. dxc5 Bxc5 8. Bd3 Nc6 9. 0-0 e5 10. e4 d4 11. Na4 Ba7 12. Bd2 b5 13. Nc3 dxc3 14. Bxc3 Qe7 15. Bb4 Nxb4 16. axb4 Bd7 17. Rxa6 Bxf2+ 18. Rxf2 Rxa6 19. Qf1 Rb6 20. c3 0-0 21. Qa1 Bc6 22. Qa5 Rbb8 23. Re2 Rfd8 24. Bc2 Rd7 25. Qa6 Qe8 26. Qxc6 Rd1+ 27. Bxd1 Qxc6 28. Nxe5 Qb7 29. Bc2 Re8 30. Ng4 Nxg4 31. hxg4 g6 32. e5 Qd5 33. Re1 Rxe5 34. Rd1 Qxd1+ 35. Bxd1 Re1+ 36. Kf2 Rxd1 37. Ke2 Rb1 38. b3 Rb2+ 39. Kd3 Rxg2 40. c4 Rg3+ 41. Kd4 Rxg4+ 42. Kc5 bxc4 43. b5 c3 44. b6 c2 45. b7 c1Q+ 46. Kb6 Rb4+ 47. Ka7 Qa1+ 48. Kb8 Qe5+ 49. Kc8 Rc4+ 50. Kd7 Qc7+ 51. Ke8 Re4# 0-1

[Event "Irece IRT 2nd"]
[Site "Irece"]
[Date "2015.12.15"]
[Round "4"]
[White "Vieira, Wilter Pereira"]
[Black "Fiaes, Mario Henrique"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1824"]
[BlackElo "2122"]
[PlyCount "36"]
[EventDate "2015.12.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. e5 c5 3. Bb5+ Nc6 4. d4 cxd4 5. Bxc6+ bxc6 6. Qxd4 e6 7. b4 Ne7 8. Bg5 Qc7 9. Bxe7 Bxe7 10. Nf3 Ba6 11. Nbd2 0-0 12. Nb3 f6 13. Nc5 Bxc5 14. bxc5 Qa5+ 15. c3 Rab8 16. Qd2 Qa3 17. Rc1 Rb2 18. Rc2 Rb1+ 0-1

[Event "Irece IRT 2nd"]
[Site "Irece"]
[Date "2015.12.14"]
[Round "1"]
[White "De Souza, Pedro Lima Martins"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1824"]
[PlyCount "62"]
[EventDate "2015.12.14"]
[EventType "swiss"]
[EventRounds "11"]
[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. Bc4 Bc5 4. d3 d6 5. h3 h6 6. Nc3 Nf6 7. 0-0 0-0 8. Re1 Be6 9. Bxe6 fxe6 10. Be3 Bxe3 11. Rxe3 d5 12. exd5 exd5 13. d4 e4 14. Nd2 Nxd4 15. f3 exf3 16. Nxf3 Nf5 17. Nxd5 Nxe3 18. Nxf6+ Qxf6 19. Qe2 Qb6 20. Kh1 Rae8 21. Re1 Nf5 22. Qc4+ Kh8 23. Ne5 Rxe5 24. Rxe5 Qf2 25. Qxc7 Ng3+ 26. Kh2 Nf1+ 27. Kh1 Ne3 28. Qxb7 Qf1+ 29. Kh2 Qf4+ 30. Kg1 Qxe5 31. Qxa7 Rf1# 0-1

[Event "Irece IRT 2nd"]
[Site "Irece"]
[Date "2015.12.14"]
[Round "2"]
[White "Vieira, Wilter Pereira"]
[Black "Oliveira, Marinaldo Santos"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1824"]
[BlackElo "1718"]
[PlyCount "55"]
[EventDate "2015.12.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Be3 Qb6 8. Qd2 f6 9. f4 Be7 10. Nf3 c4 11. 0-0 Nh6 12. exf6 gxf6 13. Re1 Nf5 14. Bf2 Bd7 15. Nh4 Nxh4 16. Bxh4 f5 17. Bxe7 Kxe7 18. Na3 Rhg8 19. Nc2 Qd6 20. Ne3 Kd8 21. Rf1 Kc7 22. b3 Bb5 23. Qe2 Qa6 24. a4 Bd7 25. bxc4 dxc4 26. Nxc4 Rg7 27. Qe5+ Kc6 28. Qd6# 1-0

[Event "BRA Bahia zt"]
[Site "Salvador"]
[Date "2015.06.07"]
[Round "7"]
[White "Pereira Fo, Hildebrando Apolon"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1772"]
[BlackElo "1870"]
[PlyCount "47"]
[EventDate "2015.06.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. d3 Be7 4. e3 d5 5. cxd5 exd5 6. Be2 0-0 7. 0-0 Nc6 8. a3 Bd6 9. b4 Bg4 10. Bb2 Bxf3 11. Bxf3 Ne5 12. Bxe5 Bxe5 13. d4 Bd6 14. Nc3 c6 15. Qb3 h6 16. b5 Qc7 17. h3 Nh7 18. Rfc1 Qd7 19. Bg4 f5 20. Be2 Rac8 21. bxc6 bxc6 22. Qa4 Bb8 23. Nxd5 Qxd5 24. Bc4 1-0

[Event "BRA Bahia zt"]
[Site "Salvador"]
[Date "2015.06.07"]
[Round "6"]
[White "Vieira, Wilter Pereira"]
[Black "Brasil, Alberto Silveira"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1870"]
[BlackElo "2004"]
[PlyCount "50"]
[EventDate "2015.06.04"]
[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 Nf6 2. Nc3 d6 3. Bc4 g6 4. d4 Bg7 5. Bg5 0-0 6. h3 c6 7. Nf3 b5 8. Bd3 b4 9. Ne2 Nbd7 10. Qd2 c5 11. e5 Ne8 12. c3 Bb7 13. e6 fxe6 14. Nh4 e5 15. Bxg6 hxg6 16. Nxg6 Rf7 17. dxc5 Nxc5 18. Ng3 bxc3 19. bxc3 Bxg2 20. Rg1 Bf3 21. Qe3 e4 22. h4 Nd3+ 23. Kd2 Bxc3+ 24. Kxc3 Qa5+ 25. Kb3 Qb4+ 0-1

[Event "BRA Bahia zt"]
[Site "Salvador"]
[Date "2015.06.06"]
[Round "4"]
[White "Vieira, Wilter Pereira"]
[Black "Silva, Gilberto Oliveira E"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "1870"]
[BlackElo "1818"]
[PlyCount "120"]
[EventDate "2015.06.04"]
[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 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 d6 6. Nc3 Be6 7. Bb5 a6 8. Bxc6+ bxc6 9. 0-0 Nf6 10. h3 h6 11. f4 Be7 12. fxe5 dxe5 13. Be3 Bb4 14. Qxd8+ Rxd8 15. Bb6 Rd7 16. Nc5 Bxc5+ 17. Bxc5 Rd2 18. Rac1 Nd7 19. Be3 Rd6 20. Rfd1 Rxd1+ 21. Rxd1 0-0 22. Na4 Rb8 23. b3 Nf6 24. Nc5 a5 25. Rd6 Rc8 26. Nxe6 fxe6 27. Rxe6 a4 28. Rxe5 axb3 29. axb3 Kf7 30. Kf2 Nd7 31. Ra5 Ke6 32. Bd4 g6 33. b4 Rb8 34. c3 h5 35. Ra6 Kd6 36. e5+ Kd5 37. e6 Rf8+ 38. Ke3 Nb8 39. e7 Re8 40. Ra7 Ke6 41. Bc5 Nd7 42. Kd4 g5 43. Rc7 Ne5 44. Ke4 g4 45. hxg4 hxg4 46. Bd4 Nd7 47. Bc5 Nxc5+ 48. bxc5 g3 49. c4 Rg8 50. Kf4 Kf7 51. e8Q+ Kxe8 52. Rc8+ Kf7 53. Rxg8 Kxg8 54. Kxg3 Kf7 55. Kf4 Ke6 56. g4 Kf6 57. g5+ Ke6 58. Ke4 Ke7 59. Ke5 Kf7 60. Kd6 Kg6 1-0

[Event "BRA Bahia zt"]
[Site "Salvador"]
[Date "2015.06.05"]
[Round "5"]
[White "Santos, Miller Ferreira"]
[Black "Vieira, Wilter Pereira"]
[Result "1/2-1/2"]
[ECO "C45"]
[BlackElo "1870"]
[PlyCount "54"]
[EventDate "2015.06.04"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Bc4 d6 7. Qf3 Qf6 8. Nd2 Be6 9. Bb3 Qxf3 10. Nxf3 Bxb3 11. axb3 Nf6 12. Nd2 0-0 13. 0-0 Rfe8 14. Ra4 Re7 15. Kh1 Rae8 16. b4 Bb6 17. Nc4 Nxe4 18. Nxb6 axb6 19. Be3 b5 20. Ra6 c5 21. bxc5 d5 22. Bf4 Nxf2+ 23. Kg1 Ne4 24. b4 g5 25. Bc1 Nc3 26. Bxg5 Re2 27. Rc6 Rxc2 1/2-1/2

[Event "BRA Bahia zt"]
[Site "Salvador"]
[Date "2015.06.04"]
[Round "2"]
[White "Lemos, Hamilton Rabat"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "2005"]
[BlackElo "1870"]
[PlyCount "67"]
[EventDate "2015.06.04"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. c3 d6 7. 0-0 Bg4 8. Bd5 Nge7 9. Bxf7+ Kf8 10. h3 h5 11. hxg4 hxg4 12. Ng5 Qc8 13. Be6 Qe8 14. Qxg4 Qh5 15. Qxh5 Rxh5 16. d3 Nd8 17. Bh3 Ng6 18. Be3 Nf7 19. Nxf7 Kxf7 20. d4 exd4 21. cxd4 Bb6 22. Nd2 Rah8 23. Nf3 c5 24. dxc5 Bxc5 25. Bxc5 dxc5 26. Rfd1 Nf4 27. Rd7+ Ke8 28. Rad1 Nxh3+ 29. gxh3 Rxh3 30. Rd8+ Ke7 31. R1d7+ Kf6 32. Rxh8 Rxh8 33. Rd6+ Ke7 34. Rxa6 1-0

[Event "BRA Bahia zt"]
[Site "Salvador"]
[Date "2015.06.04"]
[Round "1"]
[White "Palma, Antonio Carlos Sant"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C68"]
[BlackElo "1870"]
[PlyCount "94"]
[EventDate "2015.06.04"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Be2 Bc5 5. Nc3 d6 6. d3 h6 7. a3 Bg4 8. h3 Bxf3 9. Bxf3 Nd4 10. Be3 c6 11. b4 Ba7 12. Na2 Qf6 13. Bxd4 Bxd4 14. c3 Ba7 15. Nc1 Ne7 16. Ne2 0-0 17. 0-0 Qg6 18. Ng3 Qxg3 19. d4 Qg5 20. Rc1 exd4 21. cxd4 Ng6 22. g3 f5 23. Kh2 Rae8 24. h4 Nxh4 25. gxh4 Qxh4+ 26. Kg1 fxe4 27. Bg2 d5 28. Rc3 Qf6 29. Rc2 Bxd4 30. Rd2 Be5 31. Qg4 Qf4 32. Qxf4 Rxf4 33. a4 Rh4 34. Rfd1 Rf8 35. Rb1 Bh2+ 36. Kf1 e3 37. Re2 Rhf4 38. f3 d4 39. b5 axb5 40. axb5 c5 41. Bh1 Bg3 42. Rc2 b6 43. Ke2 Rd8 44. Kd3 Rc8 45. Ra1 c4+ 46. Rxc4 Rxc4 47. Kxc4 e2 0-1

[Event "Praia Atalaia op"]
[Site "Praia Atalaia"]
[Date "2014.05.04"]
[Round "6"]
[White "Cardoso, Max Wesley Santos"]
[Black "Vieira, Wilter Pereira"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1756"]
[BlackElo "1901"]
[PlyCount "79"]
[EventDate "2014.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 h6 5. e3 c5 6. cxd5 Nxd5 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. Nxd5 exd5 10. dxc5 Nxc5 11. 0-0 Bd6 12. b4 Na6 13. Qd4 f6 14. Bd2 Nc7 15. Qg4 Qd7 16. Qg6+ Qf7 17. Qd3 0-0 18. Rac1 Rad8 19. Nd4 Ne6 20. Nb5 Bb8 21. Bc3 Ng5 22. f4 Ne4 23. Bd4 a6 24. Nc3 f5 25. Nxe4 dxe4 26. Qc2 Bd6 27. Qb2 Kh7 28. Rf2 Qe7 29. g3 Rc8 30. a3 Qd7 31. Rfc2 Rxc2 32. Rxc2 Rf7 33. Qb3 Re7 34. h4 Qd8 35. Qd5 Qd7 36. h5 Bb8 37. Qxd7 Rxd7 38. Kf1 Rc7 39. Rxc7 Bxc7 40. Bc5 1/2-1/2

[Event "Praia Atalaia op"]
[Site "Praia Atalaia"]
[Date "2014.05.04"]
[Round "5"]
[White "Vieira, Wilter Pereira"]
[Black "Trindade, Gabriel Coutinho"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1901"]
[BlackElo "1762"]
[PlyCount "97"]
[EventDate "2014.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. h3 Nf6 5. Nc3 Nc6 6. 0-0 0-0 7. d4 exd4 8. Nxd4 Bd7 9. Nd5 Nxd5 10. exd5 Ne5 11. Bb3 Re8 12. c3 Bf6 13. Bc2 g6 14. b3 c6 15. f4 c5 16. fxe5 Bxe5 17. Ne2 Bb5 18. Bd3 Qd7 19. Rb1 Bxd3 20. Qxd3 Qe7 21. Bd2 a5 22. a4 Rab8 23. c4 b6 24. Rf3 Rb7 25. Bc3 Bxc3 26. Nxc3 Qe5 27. Rbf1 Rbe7 28. Rf6 Kg7 29. Qf3 Rf8 30. Nb5 Rd7 31. Qf4 Qxf4 32. R1xf4 Rfd8 33. Kf2 h6 34. g4 Re7 35. Nxd6 Rf8 36. Nb5 g5 37. Rf3 Rfe8 38. Nd6 Rf8 39. Nxf7 Rexf7 40. Rxf7+ Rxf7 41. Rxf7+ Kxf7 42. Ke3 Ke7 43. Kf3 Kd6 44. Ke4 Ke7 45. Kf5 Kf7 46. d6 Ke8 47. Ke6 Kd8 48. d7 Kc7 49. Ke7 1-0

[Event "Praia Atalaia op"]
[Site "Praia Atalaia"]
[Date "2014.05.03"]
[Round "4"]
[White "Oliveira, Leticia Aragao de F"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1789"]
[BlackElo "1901"]
[PlyCount "58"]
[EventDate "2014.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. d3 h6 6. 0-0 Bg4 7. h3 Bh5 8. Be3 Nf6 9. Bxc5 dxc5 10. Kh2 Nd4 11. g4 Nxf3+ 12. Qxf3 Bg6 13. Nd5 Nxd5 14. Bxd5 c6 15. Bb3 h5 16. Kg2 Qd7 17. a4 0-0-0 18. c3 Qxd3 19. Qxd3 Rxd3 20. f3 hxg4 21. hxg4 Rd2+ 22. Rf2 Rh2+ 23. Kxh2 Rxf2+ 24. Kg3 Rxb2 25. Ra3 Kd7 26. c4 f6 27. Kh4 Bf7 28. g5 Rh2+ 29. Kg4 Rg2+ 0-1

[Event "Praia Atalaia op"]
[Site "Praia Atalaia"]
[Date "2014.05.03"]
[Round "3"]
[White "Vieira, Wilter Pereira"]
[Black "Eneas, Angledson Kellisson"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1901"]
[BlackElo "1762"]
[PlyCount "80"]
[EventDate "2014.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 d6 5. h3 Nf6 6. d4 exd4 7. Nxd4 0-0 8. Be3 Nxd4 9. Qxd4 Be6 10. Bd3 Nd7 11. Nd5 Bxd5 12. Qxd5 Bf6 13. c3 Ne5 14. Bc2 a5 15. 0-0 Re8 16. f4 Ng6 17. Rad1 Qe7 18. Qd3 Rad8 19. g3 Nf8 20. Kf2 b5 21. Rh1 g6 22. h4 h5 23. f5 Nd7 24. fxg6 fxg6 25. Qd5+ Kg7 26. Kg2 Qe6 27. Bb3 Qxe4+ 28. Qxe4 Rxe4 29. Bc1 Rde8 30. Bd5 Re2+ 31. Kh3 Ne5 32. Rde1 Nd3 33. Rxe2 Rxe2 34. Rf1 Nxc1 35. Rxc1 Rxb2 36. Rf1 Rd2 37. c4 b4 38. Be6 Rxa2 39. c5 Rd2 40. c6 a4 0-1

[Event "Praia Atalaia op"]
[Site "Praia Atalaia"]
[Date "2014.05.02"]
[Round "2"]
[White "Andrade, Roberto Luiz Costa"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "C46"]
[WhiteElo "2207"]
[BlackElo "1901"]
[PlyCount "43"]
[EventDate "2014.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Bxf2+ 5. Kxf2 Nxe5 6. d4 Nc6 7. Be3 d6 8. Be2 Nge7 9. Rf1 d5 10. Kg1 dxe4 11. d5 Nb4 12. Qd4 Nbxd5 13. Qxg7 Rf8 14. Bh6 Ng6 15. Rad1 c6 16. Qxh7 Qe7 17. Bxf8 Qxf8 18. Nxe4 Be6 19. Nf6+ Nxf6 20. Rxf6 Ne5 21. Rxe6+ fxe6 22. Qxb7 1-0

[Event "Praia Atalaia op"]
[Site "Praia Atalaia"]
[Date "2014.05.02"]
[Round "1"]
[White "Vieira, Wilter Pereira"]
[Black "Dos Santos, Daniel Batista"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1901"]
[PlyCount "45"]
[EventDate "2014.05.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Qe7 4. Nc3 Qc5 5. d3 Nf6 6. Bg5 Ng4 7. 0-0 Nd4 8. Nxd4 Qxd4 9. Qf3 f6 10. Be3 Qd6 11. Nb5 Qc6 12. h3 Nxe3 13. fxe3 a6 14. Nc3 Bb4 15. Nd5 b5 16. Bb3 Bc5 17. Qh5+ g6 18. Qf3 f5 19. exf5 gxf5 20. Qxf5 d6 21. Qh5+ Kd8 22. Qg5+ Kd7 23. Qe7# 1-0

[Event "Salvador Bahia"]
[Site "Salvador"]
[Date "2011.07.10"]
[Round "9.9"]
[White "Lyrio, Nubson Jorge Lago"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "1887"]
[PlyCount "105"]
[EventDate "2011.07.01"]
[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. Bc4 Nc6 3. a3 Bc5 4. Nf3 d6 5. h3 Nd4 6. Nxd4 Bxd4 7. c3 Bb6 8. 0-0 Qf6 9. d3 Qg6 10. Qf3 f5 11. exf5 Qxf5 12. Bb5+ Ke7 13. Qxf5 Bxf5 14. Be3 c6 15. Bxb6 axb6 16. Bc4 d5 17. Bb3 Bxd3 18. Re1 Kd6 19. Nd2 Nf6 20. Rad1 Bg6 21. Nf3 Rae8 22. Rd2 e4 23. Nd4 Re5 24. Re3 Rhe8 25. Ba2 Bf7 26. Bb1 Kc7 27. Rde2 g5 28. f3 Bg6 29. fxe4 dxe4 30. Re1 Nd5 31. Rg3 h5 32. c4 Nf4 33. Rge3 Ne6 34. Nf3 exf3 35. Rxe5 f2+ 36. Kxf2 Rf8+ 37. Kg1 Nf4 38. Bxg6 Nxg6 39. Rxg5 Nf4 40. b4 h4 41. Rg4 Kb8 42. Rxh4 Kc8 43. Kh2 Nd3 44. Re7 Rg8 45. Rhh7 c5 46. bxc5 Nxc5 47. g4 Rd8 48. Kg3 Kb8 49. g5 Rd3+ 50. Kg4 Rd4+ 51. Kf5 Rxc4 52. g6 Rc1 53. g7 1-0

[Event "Salvador Bahia"]
[Site "Salvador"]
[Date "2011.07.10"]
[Round "8.7"]
[White "Vieira, Wilter Pereira"]
[Black "De Souza Assis, Rafael"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1887"]
[PlyCount "134"]
[EventDate "2011.07.01"]
[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 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 g6 6. Nf3 Nc6 7. Bb5 Bd7 8. 0-0 Bg7 9. Bf4 0-0 10. h3 a6 11. Bc4 Rc8 12. Re1 Na5 13. Bb3 Nc4 14. Bxc4 Rxc4 15. Qe2 Qc8 16. Bg5 Be6 17. Rac1 Rxc3 18. bxc3 Bxa2 19. Nd2 Be6 20. Qd3 Qc5 21. Qe3 Rc8 22. Qxc5 Rxc5 23. Be3 Rxc3 24. f3 Nd7 25. Nb3 Nc5 26. Nxc5 dxc5 27. Rcd1 h5 28. Re2 Bc4 29. Ree1 Bb5 30. Rd8+ Kh7 31. Rc8 Rxc2 32. Rxc5 Rxc5 33. Bxc5 e6 34. Rb1 Kg8 35. Kf2 Bf8 36. Bd4 Bc6 37. Ke3 a5 38. Kd3 a4 39. Kc3 Bg7 40. Bxg7 Kxg7 41. Kb4 Kf6 42. g3 Ke5 43. Rd1 g5 44. Rd8 g4 45. hxg4 hxg4 46. fxg4 Bxe4 47. Kxa4 Bf3 48. Rf8 f6 49. g5 Bc6+ 50. Kb4 fxg5 51. Kc3 g4 52. Rf4 Bf3 53. Rb4 Kd6 54. Kd4 e5+ 55. Kc4 Bd5+ 56. Kd3 Bf3 57. Kc4 Kc6 58. Kc3 b5 59. Kd3 Kc5 60. Rb2 e4+ 61. Ke3 b4 62. Rc2+ Kb5 63. Kd4 b3 64. Rc7 e3 65. Kxe3 b2 66. Rc8 Bb7 67. Rb8 Kc6 0-1

[Event "Salvador Bahia"]
[Site "Salvador"]
[Date "2011.07.09"]
[Round "7.8"]
[White "Silva, Jose Romain T Da Co"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "1856"]
[BlackElo "1887"]
[PlyCount "78"]
[EventDate "2011.07.01"]
[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 b5 5. Bb3 d6 6. Nc3 Bg4 7. h3 Bh5 8. Bd5 Nge7 9. g4 Bg6 10. d3 h6 11. Bb3 Na5 12. Bd2 Nxb3 13. axb3 h5 14. Nh4 b4 15. Nd5 Nxd5 16. Nxg6 fxg6 17. exd5 a5 18. f3 Qh4+ 19. Ke2 Qg3 20. Qg1 Qh4 21. Be1 Qf6 22. g5 Qf7 23. Bxb4 Be7 24. h4 0-0 25. Bc3 Qxf3+ 26. Ke1 Qxd5 27. Rh3 Rf4 28. Bd2 Rg4 29. Qh1 e4 30. Re3 Qe5 31. Ke2 d5 32. d4 Qxd4 33. c3 Qb6 34. b4 Qb5+ 35. Kd1 a4 36. b3 a3 37. Ra2 Rf8 38. Re2 Qd3 39. Ra1 e3 0-1

[Event "Salvador Bahia"]
[Site "Salvador"]
[Date "2011.07.03"]
[Round "5.6"]
[White "Silva, Julio Cezar Miranda"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "D40"]
[BlackElo "1887"]
[PlyCount "97"]
[EventDate "2011.07.01"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. a3 c5 5. e3 Nc6 6. Nf3 Be7 7. Be2 0-0 8. Rg1 cxd4 9. exd4 dxc4 10. Bxc4 h6 11. Be3 a6 12. g4 Nh7 13. Ne4 Ng5 14. Nfxg5 Bxg5 15. Nxg5 hxg5 16. Qd2 f6 17. 0-0-0 Na5 18. Ba2 Bd7 19. Qd3 Qe7 20. Bb1 g6 21. Qxg6+ Qg7 22. Qd3 Bb5 23. Qe4 Bc4 24. Kd2 f5 25. gxf5 exf5 26. Qe5 Qxe5 27. dxe5 Rad8+ 28. Ke1 Rxd1+ 29. Kxd1 g4 30. h3 Bb3+ 31. Ke1 Rd8 32. Kf1 Rd1+ 33. Kg2 Bd5+ 34. Kh2 Rxg1 35. Kxg1 Be6 36. hxg4 fxg4 37. Be4 b5 38. Kg2 Kf7 39. Kg3 Nc4 40. Bd4 Nd2 41. Bb7 a5 42. Bc3 Nc4 43. Ba6 Bd7 44. a4 Ke6 45. Bxb5 Bxb5 46. axb5 a4 47. Kxg4 Ke7 48. Kg5 Ke6 49. f4 1-0

[Event "Salvador Bahia"]
[Site "Salvador"]
[Date "2011.07.03"]
[Round "6.10"]
[White "Vieira, Wilter Pereira"]
[Black "Dantas, Paulo Fernando Chav"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1887"]
[PlyCount "117"]
[EventDate "2011.07.01"]
[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 Nf6 3. Nc3 Bb4 4. d3 Nc6 5. a3 Bc5 6. Be2 h6 7. 0-0 d6 8. Be3 Bb6 9. Bxb6 axb6 10. h3 0-0 11. Nh2 Be6 12. f4 Nd4 13. fxe5 dxe5 14. Rf2 b5 15. b4 Ra6 16. Nf3 Nxf3+ 17. Bxf3 Qd7 18. Kh2 Rfa8 19. Qc1 Qd4 20. Nd1 Nh7 21. Rd2 Ng5 22. Bg4 Bxg4 23. hxg4 Rf6 24. c3 Qb6 25. Raa2 Rd8 26. Nf2 Qe3 27. Qd1 Rdd6 28. Qe2 Qf4+ 29. Kh1 Qg3 30. d4 Qxc3 31. d5 Qc1+ 32. Kh2 Qc4 33. Qxc4 bxc4 34. b5 Rf4 35. Re2 Kf8 36. Rac2 c6 37. dxc6 bxc6 38. Rxc4 cxb5 39. Rc5 Rb6 40. Rxe5 f6 41. Rf5 b4 42. Rxf4 bxa3 43. e5 Ne6 44. Ra4 Rb2 45. Rxb2 axb2 46. Rb4 fxe5 47. Rxb2 Kf7 48. Rb5 Kf6 49. Ne4+ Kg6 50. Rxe5 Nf8 51. Kg3 Nh7 52. Re6+ Kf7 53. Ra6 Nf8 54. Ra7+ Kg6 55. Kf4 Kh7 56. Kf5 Kg8 57. Ra8 g6+ 58. Kf6 h5 59. Ke7 1-0

[Event "Salvador Bahia"]
[Site "Salvador"]
[Date "2011.07.03"]
[Round "4.9"]
[White "Vieira, Wilter Pereira"]
[Black "Xavier, Nailton Machado"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1887"]
[PlyCount "105"]
[EventDate "2011.07.01"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bg4 5. Be2 Nf6 6. 0-0 Be7 7. Nc3 0-0 8. h3 Bh5 9. Re1 Nbd7 10. Ne5 Bxe2 11. Rxe2 h6 12. Qe1 Re8 13. Bd2 c5 14. Nf3 a6 15. dxc5 Bxc5 16. Rxe8+ Qxe8 17. Qxe8+ Rxe8 18. Re1 Kf8 19. Kf1 b5 20. a3 Rxe1+ 21. Kxe1 Ke7 22. Ne2 Ne4 23. Be3 Bxe3 24. fxe3 Kd6 25. b4 Nb6 26. Ned4 g6 27. Ke2 Nc4 28. Ne1 Nxa3 29. g4 Nc4 30. h4 Ne5 31. Nd3 Nxg4 32. Kf3 Ngf6 33. Kf4 Nh5+ 34. Kg4 f5+ 35. Nxf5+ Kc7 36. Nxh6 Nhg3 37. Kf4 Kd6 38. Nf7+ Ke7 39. Nfe5 Nh5+ 40. Kf3 Kf6 41. Nd7+ Ke7 42. N7c5 Nhg3 43. Nf4 Kd6 44. Nxe4+ Nxe4 45. Nxg6 Nf6 46. Nf4 Ke5 47. h5 d4 48. Nd3+ Kd5 49. h6 dxe3 50. Kxe3 Ng4+ 51. Kd2 Nxh6 52. Nc5 a5 53. Kc3 1/2-1/2

[Event "Salvador Bahia"]
[Site "Salvador"]
[Date "2011.07.02"]
[Round "3.7"]
[White "Barreto, Jorge Eduardo Q"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "C70"]
[BlackElo "1887"]
[PlyCount "69"]
[EventDate "2011.07.01"]
[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 Bc5 5. c3 b5 6. Bb3 d6 7. 0-0 h6 8. d4 exd4 9. cxd4 Bb6 10. h3 Nge7 11. d5 Na5 12. Bc2 0-0 13. Nbd2 Ng6 14. b4 Nb7 15. Nb3 Qf6 16. Rb1 Nh4 17. Nxh4 Qxh4 18. Nd4 Bxd4 19. Qxd4 f5 20. Bb2 Rf7 21. f4 fxe4 22. Bxe4 Bd7 23. Bg6 Re7 24. Qc3 Rf8 25. f5 Qc4 26. Qf3 Nd8 27. f6 Ref7 28. Qh5 gxf6 29. Bxf7+ Rxf7 30. Qg6+ Rg7 31. Qxf6 Rxg2+ 32. Kxg2 Qe2+ 33. Kh1 Qe4+ 34. Kh2 Qe2+ 35. Rf2 1-0

[Event "Salvador Bahia"]
[Site "Salvador"]
[Date "2011.07.02"]
[Round "2.9"]
[White "Melo, Ruan Kelvin Gama"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1887"]
[PlyCount "132"]
[EventDate "2011.07.01"]
[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. Bc4 Bc5 4. d3 h6 5. Nc3 d6 6. Be3 Bg4 7. Bxc5 dxc5 8. h3 Bh5 9. Bb5 Nge7 10. g4 Bg6 11. Nxe5 Qd6 12. Nxg6 Nxg6 13. Qf3 0-0 14. 0-0-0 Nd4 15. Qe3 a5 16. Qg3 Qxg3 17. fxg3 c6 18. Bc4 Ne5 19. Bb3 b5 20. a3 b4 21. Na4 Nd7 22. Bc4 Rfb8 23. Rdf1 Ne2+ 24. Kd2 Nxg3 25. Rxf7 Ne5 26. Rf3+ Nxc4+ 27. dxc4 Nxh1 28. Nxc5 bxa3 29. bxa3 Rf8 30. Rd3 Rad8 31. Ne6 Rxd3+ 32. Kxd3 Rf3+ 33. Ke2 Rxa3 34. Kf1 Rxh3 35. Kg2 Re3 36. Kxh1 Rxe4 37. Nc5 Rxc4 38. Nb7 Rxc2 39. Nxa5 c5 40. Kg1 c4 41. Kf1 c3 42. Ke1 Rg2 43. Kd1 Rxg4 44. Kc2 Ra4 45. Nb3 Kf7 46. Kxc3 Ra3 47. Kb4 Rxb3+ 48. Kxb3 Kf6 49. Kc3 Kf5 50. Kd3 h5 51. Ke3 g5 52. Kf3 h4 53. Kg2 Kf4 54. Kh3 Kf3 55. Kh2 g4 56. Kg1 h3 57. Kh2 g3+ 58. Kxh3 g2 59. Kh2 Kf2 60. Kh3 g1R 61. Kh4 Kf3 62. Kh5 Kf4 63. Kh6 Kf5 64. Kh7 Kf6 65. Kh8 Kf7 66. Kh7 Rh1# 0-1

[Event "Salvador Bahia"]
[Site "Salvador"]
[Date "2011.07.01"]
[Round "1.11"]
[White "Vieira, Wilter Pereira"]
[Black "Paim, Joilson De Santana"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1887"]
[PlyCount "57"]
[EventDate "2011.07.01"]
[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. Bc4 h6 4. Nc3 Bc5 5. d3 Nf6 6. a3 a6 7. Be3 d6 8. h3 Be6 9. Bxe6 fxe6 10. Bxc5 dxc5 11. 0-0 0-0 12. Ne2 Nh5 13. Ng3 Nf4 14. Qd2 Nxh3+ 15. gxh3 Rxf3 16. Kg2 Rf4 17. Rg1 Qf6 18. c3 Rf8 19. Raf1 Ne7 20. Qe3 b6 21. Nh1 Ng6 22. Kh2 Rf3 23. Qd2 Rxh3+ 24. Kxh3 Qh4+ 25. Kg2 Nf4+ 26. Qxf4 Rxf4 27. Ng3 Qg5 28. Rh1 Rg4 29. Rh5 0-1

[Event "Baianos-ch 49th"]
[Site "Salvador"]
[Date "2009.12.??"]
[Round "5"]
[White "Amaral, Gileno Rodrigues"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1916"]
[PlyCount "33"]
[EventDate "2009.12.04"]
[EventType "tourn"]
[EventRounds "7"]
[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. 0-0 Bc5 6. Bxc6 bxc6 7. Nxe5 0-0 8. d4 Bb6 9. Nc3 Bb7 10. Bg5 h6 11. Bxf6 gxf6 12. Ng4 Kh7 13. Qd2 Rh8 14. Qxh6+ Kg8 15. Nxf6+ Qxf6 16. Qxf6 d5 17. Rfe1 1-0

[Event "Baianos-ch 49th"]
[Site "Salvador"]
[Date "2009.12.??"]
[Round "2"]
[White "Araujo, Andre Luiz"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "76"]
[EventDate "2009.12.04"]
[EventType "tourn"]
[EventRounds "7"]
[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. Bc4 Bc5 4. d3 d6 5. Nc3 Bg4 6. Bb3 Nd4 7. Ba4+ c6 8. h3 Bxf3 9. gxf3 b5 10. Bb3 Qf6 11. Be3 Nxf3+ 12. Ke2 Ne7 13. Qf1 Ng6 14. Bd5 Ne7 15. Bxc6+ Nxc6 16. Nd5 Nfd4+ 17. Bxd4 Nxd4+ 18. Kd2 Qh6+ 19. f4 0-0 20. Qg2 exf4 21. Kc3 a5 22. a3 f3 23. Qg4 a4 24. Nf4 Qxf4 25. Qxf4 Ne2+ 26. Kd2 Nxf4 27. Rhf1 f2 28. Rh1 f5 29. c3 fxe4 30. d4 Bb6 31. Rh2 Nxh3 32. Rf1 Ng5 33. Rh5 h6 34. Rhh1 Rf3 35. Ke2 Raf8 36. Rh2 Nh3 37. Kd2 e3+ 38. Ke2 Ng1+ 0-1

[Event "Baianos-ch 49th"]
[Site "Salvador"]
[Date "2009.12.??"]
[Round "7"]
[White "Silva, Jailton Jose da"]
[Black "Vieira, Wilter Pereira"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "126"]
[EventDate "2009.12.04"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nc3 c6 5. Nf3 Bb4 6. Qb3 Qc7 7. c5 Bxc3+ 8. Qxc3 0-0 9. b4 Nbd7 10. Bb2 Ne4 11. Qc2 Ng5 12. Be2 Nxf3+ 13. Bxf3 e5 14. dxe5 Nxe5 15. Bxe5 Qxe5 16. 0-0 f5 17. Rfe1 Rf6 18. Qd2 Be6 19. Qd4 Qc7 20. g3 Raf8 21. Rab1 Rg6 22. Red1 f4 23. Bh1 fxg3 24. fxg3 Bh3 25. Rd2 Rgf6 26. Bg2 Bxg2 27. Kxg2 Qf7 28. Rbb2 Rf1 29. Qg4 h6 30. Qe2 Qe6 31. Qd3 Qg4 32. Rf2 Qe4+ 33. Qxe4 R1xf2+ 34. Rxf2 Rxf2+ 35. Kxf2 dxe4 36. Ke2 Kf7 37. Kd2 Ke6 38. Kc3 Kd5 39. a4 a5 40. g4 g6 41. h3 h5 42. gxh5 gxh5 43. h4 Ke5 44. Kc4 axb4 45. Kxb4 Kf5 46. Ka5 Kg4 47. Kb6 Kxh4 48. Kxb7 Kg3 49. a5 h4 50. a6 h3 51. a7 h2 52. a8Q h1Q 53. Qb8+ Kf3 54. Qf4+ Ke2 55. Kxc6 Qf3 56. Kd5 Qxf4 57. exf4 Kf3 58. c6 e3 59. c7 e2 60. c8Q e1Q 61. Qh3+ Kxf4 62. Qh6+ Kf3 63. Qh5+ Kg2 1/2-1/2

[Event "Baianos-ch 49th"]
[Site "Salvador"]
[Date "2009.12.??"]
[Round "3"]
[White "Vieira, Wilter Pereira"]
[Black "Lemos, Hamilton Rabat"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "34"]
[EventDate "2009.12.04"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b4 e5 2. a3 c5 3. c3 Nf6 4. e3 d5 5. Bb5+ Nc6 6. bxc5 Ne4 7. d4 Qg5 8. g3 Bg4 9. f3 Bh5 10. g4 Qh4+ 11. Ke2 Qf2+ 12. Kd3 Bg6 13. c4 exd4 14. exd4 Qxd4+ 15. Ke2 Qf2+ 16. Kd3 Nxc5+ 17. Kc3 d4+ 0-1

[Event "Baianos-ch 49th"]
[Site "Salvador"]
[Date "2009.12.??"]
[Round "1"]
[White "Vieira, Wilter Pereira"]
[Black "Reis, Paulo F Jatoba"]
[Result "0-1"]
[ECO "E00"]
[BlackElo "2330"]
[PlyCount "50"]
[EventDate "2009.12.04"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Bg5 h6 4. Bxf6 Qxf6 5. e3 c5 6. Nc3 cxd4 7. Qxd4 Nc6 8. Qxf6 gxf6 9. a3 b6 10. g3 Ba6 11. Nf3 Na5 12. Nb5 Bxb5 13. cxb5 Nb3 14. Rd1 Rc8 15. Bd3 f5 16. 0-0 Bg7 17. Nd2 Nc5 18. Nc4 Ke7 19. Be2 d5 20. Nd2 Bxb2 21. Nb1 Ne4 22. Rd3 Rc2 23. Bf3 Rhc8 24. Bd1 Rc1 25. Nd2 Nc5 0-1

[Event "Baianos-ch 49th"]
[Site "Salvador"]
[Date "2009.12.??"]
[Round "4"]
[White "Vieira, Wilter Pereira"]
[Black "Santos, Venilton"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "66"]
[EventDate "2009.12.04"]
[EventType "tourn"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bb5 Be7 7. 0-0 a6 8. Ba4 b5 9. Nxc6 dxc6 10. Bb3 0-0 11. Qxd8 Rxd8 12. Bg5 h6 13. Bh4 g5 14. Bg3 c5 15. e5 Nh5 16. a3 Bb7 17. Rad1 Nxg3 18. fxg3 c4 19. Ba2 Rxd1 20. Rxd1 Rd8 21. Rxd8+ Bxd8 22. b3 cxb3 23. Bxb3 Bc7 24. Ne2 Bxe5 25. h4 Kf8 26. Kf2 Ke7 27. c4 bxc4 28. Bxc4 Kd6 29. a4 Kc5 30. Bd3 f5 31. Nc1 Kb4 32. Bxf5 Bd4+ 33. Ke2 exf5 0-1

[Event "Baianos-ch 49th"]
[Site "Salvador"]
[Date "2009.12.??"]
[Round "6"]
[White "Vieira, Wilter Pereira"]
[Black "Schade, Dennys Karlo Mendes"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "86"]
[EventDate "2009.12.04"]
[EventType "tourn"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bxf6 Qxf6 8. Be2 Bd7 9. 0-0 Nc6 10. Nf3 Qd8 11. Qd2 Be7 12. Rad1 0-0 13. e5 d5 14. a3 Qc7 15. Qe3 Rfd8 16. Bd3 Be8 17. Ne2 h6 18. h4 Na7 19. Qf4 Bb5 20. Rc1 Rac8 21. g4 Bxd3 22. cxd3 Nc6 23. Ned4 Qd7 24. g5 h5 25. Ne2 g6 26. d4 Na5 27. Nd2 Qb5 28. Qe3 Rxc1 29. Rxc1 Qxb2 30. Rc7 Qxa3 31. Qf4 Kf8 32. Ng3 Qd3 33. Rxe7 Kxe7 34. Qf6+ Ke8 35. Ndf1 Qxd4 36. Nxh5 Qg4+ 37. Nhg3 Qxh4 38. Ne3 d4 39. Nef5 gxf5 40. Nxf5 Qg4+ 41. Ng3 d3 42. Qh8+ Kd7 43. Qh7 d2 0-1

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.11.02"]
[Round "12.7"]
[White "Palomino, Alexandre Cardoso D"]
[Black "Vieira, Wilter Pereira"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1855"]
[PlyCount "62"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nc6 2. e4 a6 3. d4 d5 4. e5 Bg4 5. c3 f6 6. Be2 Bxf3 7. Bxf3 fxe5 8. dxe5 e6 9. Qa4 Qd7 10. Bf4 0-0-0 11. Qc2 Nge7 12. Bg3 Nf5 13. Bf4 h6 14. h4 d4 15. Qe4 Be7 16. g3 Rhg8 17. h5 dxc3 18. bxc3 Qd3 19. Qxd3 Rxd3 20. Be4 Rd7 21. Nd2 Rgd8 22. g4 Bg5 23. Bxg5 hxg5 24. Nf3 Nh6 25. Bxc6 bxc6 26. Nd4 Nxg4 27. Nxc6 Rd1+ 28. Ke2 Rxa1 29. Rxa1 Rf8 30. f3 Kb7 31. Rg1 Nh2 1/2-1/2

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.11.02"]
[Round "11.2"]
[White "Vieira, Wilter Pereira"]
[Black "Fiaes, Mario Henrique"]
[Result "1-0"]
[ECO "D16"]
[BlackElo "1901"]
[PlyCount "47"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 6. e3 Bb4 7. Bxc4 Nbd7 8. 0-0 0-0 9. Qb3 Qe7 10. e4 Bxc3 11. bxc3 Nxe4 12. Ba3 c5 13. Rfe1 Nef6 14. a5 Rb8 15. Bxe6 fxe6 16. Rxe6 Qf7 17. Ng5 c4 18. Qxc4 Nb6 19. Qe2 Qg6 20. Bxf8 Qxg5 21. Bd6 Nbd7 22. Bxb8 Nxb8 23. Re8+ Kf7 24. Rxc8 1-0

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.11.01"]
[Round "10.6"]
[White "Guimaraes, Luiz Claudio"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "1979"]
[PlyCount "51"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[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 Bc5 5. c3 b5 6. Bb3 h6 7. d4 exd4 8. cxd4 Bb6 9. 0-0 Nge7 10. Nc3 Ng6 11. Be3 Na5 12. Bc2 Nc4 13. Bc1 Ba7 14. Qd3 d6 15. h3 0-0 16. b3 Nb6 17. Be3 d5 18. e5 b4 19. Ne2 Bd7 20. Qd2 Bb5 21. Rfe1 a5 22. Bxh6 gxh6 23. Qxh6 Qe7 24. Nf4 Be8 25. Ng5 f6 26. exf6 1-0

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.11.01"]
[Round "9.3"]
[White "Vieira, Wilter Pereira"]
[Black "Arcanjo, Thiago"]
[Result "1/2-1/2"]
[ECO "C00"]
[BlackElo "2042"]
[PlyCount "79"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 dxe4 5. dxe4 Bc5 6. Be2 e5 7. 0-0 Qe7 8. c3 a5 9. Qc2 Nc6 10. Nc4 h6 11. Be3 0-0 12. Bxc5 Qxc5 13. Ne3 Be6 14. Nh4 Ne7 15. Rfd1 Rad8 16. b3 g6 17. Nf3 Nc8 18. Bc4 Bg4 19. b4 axb4 20. cxb4 Qe7 21. Nxg4 Nxg4 22. Bb3 Nd6 23. Rac1 c6 24. Qc5 Rfe8 25. h3 Nf6 26. Qe3 Kg7 27. Rc5 Nd7 28. Ra5 Nb5 29. a3 Nb8 30. Rxd8 Qxd8 31. a4 b6 32. Ra8 Nc7 33. Ra7 Nd7 34. Qd3 Re7 35. Qd6 Ne8 36. Qd3 Nef6 37. a5 Qb8 38. axb6 Qxb6 39. Ra4 Qc7 40. Ra2 1/2-1/2

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.10.31"]
[Round "7.7"]
[White "Vieira, Wilter Pereira"]
[Black "Da Silva, Douglas Pinto"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1800"]
[PlyCount "82"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 e6 3. a3 d5 4. e3 Nbd7 5. c4 c5 6. cxd5 exd5 7. bxc5 Nxc5 8. Bxf6 Qxf6 9. d4 Bd7 10. Nf3 Ba4 11. Qe2 Nb3 12. Nc3 Nxa1 13. Nxa4 Qc6 14. Qb5 Nc2+ 15. Kd2 Nxa3 16. Qxc6+ bxc6 17. Ne5 Rc8 18. Ba6 Rc7 19. Nd3 Be7 20. Rc1 f6 21. Nac5 Bxc5 22. Nxc5 Ke7 23. f4 g6 24. e4 Rb8 25. Ke3 Rb2 26. Kf3 dxe4+ 27. Nxe4 Nc2 28. Rd1 Rd7 29. d5 Rxd5 30. Rxd5 cxd5 31. Nc5 Nd4+ 32. Kg3 Nf5+ 33. Kh3 g5 34. Bd3 Ne3 35. fxg5 fxg5 36. Bxh7 Rxg2 37. Bf5 g4+ 38. Bxg4 Rxg4 39. Nd7 Rg7 40. Ne5 Kf6 41. Ng4+ Nxg4 0-1

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.10.30"]
[Round "6.4"]
[White "Ratai, Arthur Robert"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1800"]
[PlyCount "64"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Nc3 h6 4. Bf4 e6 5. e3 Bb4 6. Bd3 Bxc3+ 7. bxc3 Nbd7 8. 0-0 0-0 9. Re1 c5 10. c4 cxd4 11. exd4 dxc4 12. Bxc4 a6 13. Bb3 b5 14. h3 Nb6 15. g4 Nbd5 16. Be5 Bb7 17. Kg2 Nh7 18. Kg3 f6 19. Bf4 Nxf4 20. Kxf4 Qd6+ 21. Ke3 Ng5 22. Nh4 Rac8 23. Ke2 Bd5 24. Qd2 Qc6 25. Kf1 Bxb3 26. cxb3 Qh1+ 27. Ke2 Qxh3 28. Rh1 Qc3 29. Qxc3 Rxc3 30. Kd2 Ne4+ 31. Ke2 Rfc8 32. Rhc1 Rxc1 0-1

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.10.18"]
[Round "8.5"]
[White "Guimaraes, Diogo Duarte"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2179"]
[PlyCount "63"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c5 3. dxc5 Qa5+ 4. Qd2 Qxd2+ 5. Nxd2 dxc4 6. Nxc4 e6 7. Nd6+ Bxd6 8. cxd6 Nf6 9. f3 0-0 10. e4 e5 11. b3 Rd8 12. Ba3 Ne8 13. Rd1 Be6 14. Bc4 Bd7 15. g3 b5 16. Bd5 Bc6 17. Bc5 Bxd5 18. Rxd5 Nd7 19. b4 a5 20. a3 axb4 21. axb4 Ra1+ 22. Kf2 Rc1 23. Kg2 Nxc5 24. bxc5 b4 25. Ne2 Rc2 26. Kf2 b3 27. Rb1 b2 28. Ke1 f6 29. Kd1 Rc4 30. Rxb2 Kf7 31. Rb7+ Ke6 32. Re7# 1-0

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.10.18"]
[Round "4.3"]
[White "Labussiere, Jorge"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "79"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d5 3. c4 Bg4 4. e3 e6 5. Be2 Nf6 6. Nbd2 Bb4 7. 0-0 Bxd2 8. Bxd2 0-0 9. h3 Bh5 10. Rc1 Ne4 11. Be1 f5 12. Qb3 Rb8 13. cxd5 exd5 14. Qc2 Ng5 15. Nxg5 Qxg5 16. Bc3 Bxe2 17. Qxe2 Rbe8 18. Qf3 f4 19. exf4 Rxf4 20. Qg3 Qxg3 21. fxg3 Rxf1+ 22. Rxf1 Re4 23. Rf4 Re7 24. Kf2 Rf7 25. Ke3 Rxf4 26. gxf4 Kf7 27. g4 h5 28. f5 hxg4 29. hxg4 Kf6 30. Kf4 g5+ 31. Ke3 Nd8 32. Be1 Nf7 33. Bg3 c6 34. a4 a6 35. a5 Nh6 36. Kf3 Nf7 37. Bc7 Nh6 38. Bd8+ Kf7 39. Bxg5 Ng8 40. Kf4 1-0

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.10.18"]
[Round "5.5"]
[White "Vieira, Wilter Pereira"]
[Black "Dos Santos, Alves Humberto"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "107"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 e6 3. d4 d5 4. e5 Nd7 5. Bd3 Qb6 6. Nge2 g6 7. 0-0 Bg7 8. b3 Ne7 9. Bg5 Nf5 10. Na4 Qc7 11. g4 Nxd4 12. Nxd4 Bxe5 13. Nf3 Bxa1 14. Qxa1 Rg8 15. Re1 b5 16. Nc3 Bb7 17. Ne2 e5 18. Ng3 f6 19. Bd2 0-0-0 20. Bf1 Rde8 21. c4 Kb8 22. cxb5 cxb5 23. Bxb5 a6 24. Rc1 Qd6 25. Bxd7 Qxd7 26. h3 Rc8 27. Ne1 d4 28. f3 f5 29. Rxc8+ Rxc8 30. Qb2 Bd5 31. Qa3 fxg4 32. hxg4 Qc6 33. Kf2 e4 34. Qb4+ Ka8 35. Qxd4 exf3 36. Be3 Qb7 37. Nf1 h5 38. g5 Be6 39. Nd2 Rf8 40. Nc4 Bxc4 41. Qxc4 Rf7 42. Nd3 Rc7 43. Nc5 Rc6 44. Nxb7 Rxc4 45. bxc4 Kxb7 46. Kxf3 Kc6 47. a4 Kd7 48. Bf2 Ke6 49. Ke4 Kd6 50. Kd4 Ke6 51. c5 Kf5 52. c6 Ke6 53. Kc5 Ke7 54. Kb6 1-0

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.10.17"]
[Round "2.2"]
[White "Da Silva Junior, Joaquim Custodio"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1800"]
[PlyCount "98"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[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. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb6 7. h3 h6 8. 0-0 Nf6 9. Nc3 0-0 10. Re1 Na5 11. Bd3 Nc6 12. Be3 Ne7 13. Qd2 c5 14. d5 Ng6 15. g4 Ne5 16. Nxe5 dxe5 17. f4 exf4 18. Bxf4 c4+ 19. Kh2 cxd3 20. Qxd3 g5 21. Bd2 Bc7+ 22. e5 Ne8 23. Nb5 Bb8 24. Bb4 Ng7 25. Bxf8 Qxf8 26. Kg2 a6 27. Nc3 b5 28. d6 Ne6 29. Kh2 Bb7 30. Nd5 Bxd5 31. Qxd5 Ba7 32. Rac1 Nf4 33. Qe4 Qd8 34. d7 Kg7 35. Qf5 Ne6 36. Qf6+ Kg8 37. Qf3 Rb8 38. Red1 Bd4 39. Qd5 Bxb2 40. Rc6 Kg7 41. Rxe6 fxe6 42. Qxe6 Qf8 43. Qf6+ Qxf6 44. exf6+ Bxf6 45. Kg2 Bd8 46. Rd6 Rb6 47. Rxb6 Bxb6 48. Kf3 Kf6 49. Ke4 Ke6 0-1

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.10.17"]
[Round "3.6"]
[White "Vieira, Wilter Pereira"]
[Black "Silva, Jose Romain T Da Co"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "108"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. d3 d5 5. Bd2 d4 6. Ne2 Bxd2+ 7. Qxd2 c5 8. c3 Nc6 9. cxd4 cxd4 10. b4 b5 11. g3 0-0 12. Bg2 e5 13. 0-0 Qe7 14. a3 a5 15. Rfc1 Bd7 16. bxa5 Nxa5 17. Qb4 Qxb4 18. axb4 Nc6 19. Rab1 Ra2 20. Kf1 Rc8 21. Ne1 Be6 22. h3 Nd7 23. f4 f6 24. Nf3 Raa8 25. f5 Bf7 26. Rb2 Ne7 27. Rbc2 Rxc2 28. Rxc2 Rc8 29. Ne1 Nb6 30. Nc1 Na4 31. Rxc8+ Nxc8 32. Bf3 Ne7 33. Bd1 Nc3 34. Bc2 Nc6 35. g4 Nxb4 36. h4 h6 37. Bb3 Kf8 38. Bxf7 Kxf7 39. Nb3 Nd1 40. Ke2 Ne3 41. Kf3 g6 42. Nc5 Nbc2 43. fxg6+ Kxg6 44. h5+ Kf7 45. Nxc2 Nxc2 46. Nb7 b4 47. Na5 Na1 48. Ke2 Nc2 49. Nc4 Ne3 50. Nxe3 dxe3 51. Kxe3 Ke6 52. Kd2 Kd6 53. d4 exd4 54. Kd3 Ke5 0-1

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.10.16"]
[Round "13.1"]
[White "Vieira, Wilter Pereira"]
[Black "Oliveira, Joatan Balbino De"]
[Result "1/2-1/2"]
[ECO "B13"]
[BlackElo "1800"]
[PlyCount "111"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[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. h3 Nf6 5. Nf3 Nc6 6. Bb5 Qa5+ 7. Nc3 Ne4 8. Bxc6+ bxc6 9. Bd2 Nxd2 10. Qxd2 Ba6 11. a3 e6 12. Ne2 Qxd2+ 13. Nxd2 Bxe2 14. Kxe2 c5 15. dxc5 Bxc5 16. Nf3 Rd8 17. b4 Bd6 18. Rhd1 0-0 19. b5 Rc8 20. Nd4 Be5 21. Rac1 Bf4 22. Rb1 Rc3 23. Rd3 Rxd3 24. Kxd3 Rb8 25. Nc6 Rb7 26. a4 Bc7 27. a5 Bd6 28. b6 a6 29. c4 dxc4+ 30. Kxc4 Kf8 31. Nb4 Bxb4 32. Kxb4 Ke8 33. Kc5 Kd7 34. Rd1+ Kc8 35. Kc6 Re7 36. Rb1 Rb7 37. Rd1 Re7 38. Rb1 Rb7 39. Kd6 Rd7+ 40. Kc6 Rb7 41. f4 h6 42. h4 g6 43. Rc1 Rd7 44. Rb1 Rb7 45. Kd6 Rd7+ 46. Ke5 Kb7 47. Rc1 Rd5+ 48. Kf6 Rxa5 49. Kxf7 Rf5+ 50. Kxg6 Rxf4 51. Kxh6 Rxh4+ 52. Kg5 Rb4 53. Kf6 Rg4 54. Kxe6 Rxg2 55. Rb1 Rg6+ 56. Kd5 1/2-1/2

[Event "Salvador FBX 2nd"]
[Site "Salvador"]
[Date "2009.10.16"]
[Round "1.4"]
[White "Vieira, Wilter Pereira"]
[Black "Reis, Paulo F Jatoba"]
[Result "1/2-1/2"]
[ECO "C63"]
[BlackElo "2330"]
[PlyCount "50"]
[EventDate "2009.10.16"]
[EventType "tourn"]
[EventRounds "13"]
[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 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Ng3 Bg4 7. h3 Bxf3 8. Qxf3 Nf6 9. d3 Bc5 10. Bxc6+ bxc6 11. Be3 Bb6 12. 0-0 0-0 13. Qe2 Qe8 14. a4 e4 15. Bxb6 cxb6 16. dxe4 Nxe4 17. Nxe4 Qxe4 18. Rfe1 Rad8 19. Qxe4 dxe4 20. Re2 Rd4 21. b3 Rfd8 22. Rae1 Rd2 23. Kh2 R8d6 24. g4 g5 25. Kg3 Kf7 1/2-1/2

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2008.12.??"]
[Round "5"]
[White "Baptista, Igor Lucas"]
[Black "Vieira, Wilter Pereira"]
[Result "1/2-1/2"]
[ECO "C25"]
[PlyCount "44"]
[EventDate "2008.12.18"]
[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 e5 2. Nc3 Bc5 3. Bc4 d6 4. d3 Nc6 5. a3 h6 6. Na4 Nf6 7. Nxc5 dxc5 8. h3 0-0 9. Nf3 Qd6 10. 0-0 Be6 11. Bxe6 Qxe6 12. Nh4 Rad8 13. Re1 c4 14. f4 cxd3 15. cxd3 Qd6 16. fxe5 Qxe5 17. Nf3 Qh5 18. Qe2 Rd7 19. Be3 Ne5 20. Nxe5 Qxe5 21. Bxa7 Rfd8 22. d4 Qf4 1/2-1/2

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2008.12.??"]
[Round "2"]
[White "Reboucas Filho, Vicente P Maia"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "67"]
[EventDate "2008.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 Nc6 2. e4 e5 3. Nf3 d6 4. Bc4 Be6 5. Bxe6 fxe6 6. 0-0 exf4 7. d4 e5 8. d5 Nce7 9. Ng5 Ng6 10. Ne6 Qe7 11. g3 Nf6 12. gxf4 Nxe4 13. f5 Nf4 14. Bxf4 exf4 15. Qh5+ Kd7 16. Rxf4 Nc5 17. Nc3 c6 18. Nxc5+ dxc5 19. Re4 Qf6 20. dxc6+ bxc6 21. Rd1+ Kc7 22. Re6 g6 23. Qf3 Qg5+ 24. Kh1 Rd8 25. Qxc6+ Kb8 26. Rxd8+ Qxd8 27. Re8 Be7 28. Rxd8+ Rxd8 29. f6 Bf8 30. Nd5 Rc8 31. Qb5+ Ka8 32. c4 h5 33. f7 Rd8 34. Nc7# 1-0

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2008.12.??"]
[Round "6"]
[White "Vieira, Wilter Pereira"]
[Black "Azevedo, Edmundo Roberto Ram"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "2173"]
[PlyCount "92"]
[EventDate "2008.12.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b4 c6 2. Bb2 d5 3. e3 Bf5 4. c4 e6 5. a3 Nf6 6. Nf3 Bg4 7. d4 dxc4 8. Bxc4 Nbd7 9. Nbd2 Be7 10. 0-0 0-0 11. Qc2 Bh5 12. Bd3 Bg6 13. Bxg6 hxg6 14. Nc4 Nd5 15. Nce5 Bd6 16. e4 Nc7 17. Nxg6 fxg6 18. e5 Be7 19. Qxg6 Qe8 20. Qg4 Qf7 21. Bc1 Qf5 22. Qg3 Rf7 23. Bg5 Qg6 24. Qh4 Rxf3 25. Bxe7 Nd5 26. Bg5 Rf5 27. f4 Nf8 28. g4 Rf7 29. Rf3 Nh7 30. Raf1 Nxg5 31. fxg5 Raf8 32. Rxf7 Rxf7 33. Rxf7 Qxf7 34. Qg3 Qg6 35. h4 Qe4 36. g6 Qxg6 37. h5 Qe4 38. g5 Qxd4+ 39. Kh2 Qf4 40. Kh3 Qxg3+ 41. Kxg3 Nc3 42. Kf4 Nb5 43. g6 Nxa3 44. Kg5 Nc2 45. h6 Nxb4 46. h7+ Kh8 0-1

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2008.12.??"]
[Round "7"]
[White "Vieira, Wilter Pereira"]
[Black "Dos Santos, Alves Humberto"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "57"]
[EventDate "2008.12.18"]
[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 c6 2. d4 d5 3. e5 Bf5 4. c4 e6 5. Bd3 Ne7 6. Bg5 Qd7 7. Bxe7 Bxe7 8. c5 Bg6 9. b4 0-0 10. Ne2 Qd8 11. Nf4 Bg5 12. Nh3 f6 13. Qc2 Bh6 14. 0-0 Nd7 15. Bxg6 hxg6 16. f4 f5 17. Nd2 Qe7 18. Nf3 b6 19. Nhg5 a5 20. cxb6 Nxb6 21. Qxc6 Nc4 22. bxa5 Rfe8 23. a6 Rac8 24. Qa4 Qa7 25. Rab1 Bxg5 26. Rb7 Qa8 27. Nxg5 Nd2 28. Rxg7+ Kxg7 29. Qd7+ 1-0

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2008.12.??"]
[Round "3"]
[White "Vieira, Wilter Pereira"]
[Black "Oliveira, Jorge Eduardo"]
[Result "1-0"]
[ECO "C28"]
[PlyCount "37"]
[EventDate "2008.12.18"]
[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 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Na5 5. Nf3 d6 6. h3 c6 7. Bg5 Nxc4 8. dxc4 Be6 9. c5 h6 10. Bh4 Bc4 11. b3 Qa5 12. Qd2 0-0-0 13. bxc4 g5 14. Bg3 Nh5 15. Ne2 Qxc5 16. Qc3 Bg7 17. Rd1 Rhf8 18. Nd2 Nf4 19. Bxf4 1-0

[Event "Petrolina Cordioli Memorial op"]
[Site "Petrolina"]
[Date "2008.10.12"]
[Round "7.20"]
[White "Da Silva, Jonathan Ferreira"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1728"]
[BlackElo "1800"]
[PlyCount "32"]
[EventDate "2008.10.09"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. h3 h6 6. Nc3 Nd4 7. Be3 Nf6 8. Nd5 c6 9. Nxf6+ Qxf6 10. Nxd4 exd4 11. Bd2 0-0 12. Qf3 Qg6 13. 0-0-0 Be6 14. Bb3 a5 15. h4 h5 16. a3 a4 0-1

[Event "Petrolina Cordioli Memorial op"]
[Site "Petrolina"]
[Date "2008.10.12"]
[Round "6.18"]
[White "Vieira, Wilter Pereira"]
[Black "Macedo, Gilson Rosa"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1800"]
[BlackElo "1984"]
[PlyCount "74"]
[EventDate "2008.10.09"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e6 7. 0-0 Nbd7 8. b3 b5 9. Bb2 Bb7 10. Nf3 b4 11. Ne2 Nxe4 12. Bxe4 Bxe4 13. Ng3 Bg6 14. Re1 e5 15. Nd2 Be7 16. Nge4 0-0 17. Nc4 Bxe4 18. Rxe4 Nc5 19. Re3 f5 20. Rh3 Ne4 21. Qh5 Ng5 22. Rd3 Qc7 23. Qe2 Ne6 24. g3 e4 25. Rd5 Ng5 26. Qh5 Nf3+ 27. Kg2 g6 28. Qh6 Bg5 29. Qh3 Rad8 30. g4 Qf7 31. Rad1 fxg4 32. Qxg4 h5 33. Qxe4 Rde8 34. Rxg5 Rxe4 35. Nxd6 Nh4+ 36. Kh1 Qf3+ 37. Kg1 Qxd1# 0-1

[Event "Petrolina Cordioli Memorial op"]
[Site "Petrolina"]
[Date "2008.10.11"]
[Round "5.28"]
[White "Feitosa, Rodrigo Teles"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C70"]
[BlackElo "1800"]
[PlyCount "94"]
[EventDate "2008.10.09"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bb7 6. c3 Bc5 7. d4 exd4 8. cxd4 Bb6 9. 0-0 Nge7 10. Bg5 d6 11. Nc3 Qd7 12. Nd5 h6 13. Bf6 Nxd5 14. exd5 gxf6 15. dxc6 Bxc6 16. Re1+ Kf8 17. d5 Bb7 18. Rc1 Rg8 19. Qe2 Qg4 20. Qe7+ Kg7 21. Re4 Qf5 22. Rc2 Rge8 23. Qxe8 Rxe8 24. Rxe8 Bxd5 25. Rce2 Bxb3 26. axb3 Qb1+ 27. Ne1 Ba5 28. h3 Bxe1 29. Rxe1 Qxb2 30. R1e3 f5 31. Rg3+ Kf6 32. Rh8 Qc1+ 33. Kh2 Qd2 34. Rf3 Kg7 35. Ra8 Qd5 36. Rxa6 c5 37. Ra5 b4 38. Ra4 Qe5+ 39. g3 Qe4 40. Re3 Qc2 41. Kg2 d5 42. Ra5 c4 43. Rxd5 c3 44. Rdd3 Qxb3 45. Kf3 Qb1 46. Rxc3 bxc3 47. Rxc3 Qe4# 0-1

[Event "Petrolina Cordioli Memorial op"]
[Site "Petrolina"]
[Date "2008.10.11"]
[Round "4.29"]
[White "Vieira, Wilter Pereira"]
[Black "Dos Santos, Jaqueline Jhenif Ba"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1800"]
[BlackElo "1755"]
[PlyCount "71"]
[EventDate "2008.10.09"]
[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 e6 3. Nc3 a6 4. d4 Qc7 5. d5 b5 6. dxe6 dxe6 7. Bg5 Nc6 8. Qd2 Bb7 9. Rd1 Be7 10. Qf4 Qxf4 11. Bxf4 Nb4 12. Rc1 Nf6 13. a3 Bxe4 14. Nxe4 Nxe4 15. axb4 cxb4 16. Bd3 Nc5 17. Be2 b3 18. 0-0 0-0 19. Be3 bxc2 20. Rxc2 Ne4 21. Rfc1 Nd6 22. Ne5 Rac8 23. Rxc8 Nxc8 24. Rc6 a5 25. Bxb5 Na7 26. Bxa7 f6 27. Rxe6 fxe5 28. Rxe7 h6 29. Rxe5 a4 30. Bd4 a3 31. Bc4+ Kh8 32. Re6 Kh7 33. Re7 h5 34. Bd3+ Kh6 35. Be3+ g5 36. Rh7# 1-0

[Event "Petrolina Cordioli Memorial op"]
[Site "Petrolina"]
[Date "2008.10.10"]
[Round "2.35"]
[White "Bezerra, Pedro Henrique Sant"]
[Black "Vieira, Wilter Pereira"]
[Result "0-1"]
[ECO "C46"]
[BlackElo "1800"]
[PlyCount "64"]
[EventDate "2008.10.09"]
[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 e5 2. Nc3 Bc5 3. Nf3 Nc6 4. d3 d6 5. Bg5 f6 6. Bh4 Bg4 7. d4 Nxd4 8. Nxd4 Bxd1 9. Kxd1 Bxd4 10. Bb5+ c6 11. Be2 Bxc3 12. bxc3 Ne7 13. Bh5+ g6 14. Be2 Rf8 15. a4 Qa5 16. Kd2 f5 17. exf5 Nxf5 18. Rab1 b6 19. Bg5 Nd4 20. h4 Rxf2 21. Rbe1 Nxe2 22. Rxe2 Rxe2+ 23. Kxe2 Qxc3 24. Rf1 Qxc2+ 25. Ke3 Qc3+ 26. Ke2 Qc4+ 27. Ke1 Kd7 28. Rf7+ Qxf7 29. Bc1 Rf8 30. g3 Qf2+ 31. Kd1 Qg2 32. Bg5 Rf1# 0-1

[Event "Petrolina Cordioli Memorial op"]
[Site "Petrolina"]
[Date "2008.10.10"]
[Round "3.20"]
[White "Lucas, Leone Moreno"]
[Black "Vieira, Wilter Pereira"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "2148"]
[BlackElo "1800"]
[PlyCount "105"]
[EventDate "2008.10.09"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. 0-0 b5 6. Bb3 d6 7. c3 Bg4 8. d4 exd4 9. h3 Bh5 10. g4 Bg6 11. cxd4 Bb6 12. Nc3 Nge7 13. Bg5 h6 14. Bh4 h5 15. Bd5 Qd7 16. Bxe7 Kxe7 17. Qd2 hxg4 18. Qg5+ Kf8 19. hxg4 Re8 20. Kg2 Nxd4 21. Rh1 Rg8 22. Nh4 Ne6 23. Nxg6+ fxg6 24. Qd2 g5 25. Bxe6 Qxe6 26. f3 Ba5 27. Qxg5 Bxc3 28. bxc3 c6 29. a4 d5 30. exd5 Qxd5 31. Qxd5 cxd5 32. axb5 axb5 33. Rhd1 Re2+ 34. Kg3 d4 35. Rxd4 Ke7 36. Ra7+ Kf6 37. Rb7 Rc8 38. Rd6+ Re6 39. Rxe6+ Kxe6 40. Rxg7 Rxc3 41. Rb7 Rb3 42. Rb6+ Kf7 43. Kf4 b4 44. g5 Kg7 45. Kg4 Rb1 46. Kf5 Rc1 47. Rb7+ Kf8 48. f4 Rc5+ 49. Kg6 Rc4 50. f5 Rc6+ 51. f6 Rc8 52. Rxb4 Re8 53. Rh4 1-0

[Event "Petrolina Cordioli Memorial op"]
[Site "Petrolina"]
[Date "2008.10.09"]
[Round "1.11"]
[White "Vieira, Wilter Pereira"]
[Black "Guimaraes, Diogo Duarte"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1800"]
[BlackElo "2225"]
[PlyCount "84"]
[EventDate "2008.10.09"]
[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 c5 3. c3 e6 4. Bg5 Be7 5. dxc5 Bxc5 6. e3 d5 7. Qa4+ Bd7 8. Bb5 a6 9. Bxd7+ Nbxd7 10. 0-0 0-0 11. Nbd2 Qc7 12. e4 b5 13. Qc2 Rfc8 14. Bxf6 Nxf6 15. e5 Nd7 16. Rae1 g6 17. Nb3 Bf8 18. a3 a5 19. Qd2 Rab8 20. Re3 Bh6 21. Rfe1 b4 22. axb4 axb4 23. Nbd4 Bxe3 24. Rxe3 Nb6 25. Nb5 Qc5 26. Nd6 Nc4 27. Nxc4 Qxc4 28. g3 Qb3 29. cxb4 Qxb4 30. Qxb4 Rxb4 31. b3 Rc1+ 32. Kg2 Rd1 33. Rc3 d4 34. Rc8+ Kg7 35. Rd8 h6 36. Rd7 g5 37. g4 d3 38. h3 Rxb3 39. Nd4 Rb6 40. Nf3 Rb5 41. Rd8 Rd5 42. Rd6 d2 0-1

