[Event "Botafogo Fexerj op"]
[Site "Botafogo"]
[Date "2015.01.25"]
[Round "6"]
[White "Salles, Marvio Darilho"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2108"]
[BlackElo "1898"]
[PlyCount "53"]
[EventDate "2015.01.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. Re1 a6 6. Bf1 Nf6 7. c3 e5 8. d4 Qb6 9. dxe5 Nxe5 10. h3 Be7 11. Nbd2 Qc7 12. Qc2 0-0 13. Nxe5 dxe5 14. b3 Nh5 15. Nf3 b5 16. c4 f6 17. Be3 b4 18. Rad1 g6 19. Bd3 f5 20. exf5 gxf5 21. Bh6 e4 22. Bxe4 fxe4 23. Qxe4 Nf4 24. Bxf8 Bxf8 25. Rxd7 Nxh3+ 26. gxh3 Qxd7 27. Qxa8 1-0

[Event "Botafogo Fexerj op"]
[Site "Botafogo"]
[Date "2015.01.25"]
[Round "5"]
[White "Vilalba, Guilherme Pereira"]
[Black "Simas, Breno Matos"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1898"]
[PlyCount "53"]
[EventDate "2015.01.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. d3 Nc6 4. Nbd2 e5 5. e4 d4 6. Bg2 Be7 7. 0-0 0-0 8. Nc4 Bd6 9. h3 Be6 10. Qe2 h6 11. Ne1 Qd7 12. Kh2 Rfd8 13. f4 a6 14. Nf3 Bxc4 15. dxc4 Re8 16. f5 Bc5 17. g4 Rad8 18. Ne1 b6 19. h4 Qe7 20. g5 hxg5 21. hxg5 Nh7 22. Qh5 f6 23. g6 Nf8 24. Kg3 Rd7 25. Rh1 Nxg6 26. fxg6 Qf7 27. Qh8# 1-0

[Event "Botafogo Fexerj op"]
[Site "Botafogo"]
[Date "2015.01.24"]
[Round "3"]
[White "Vilalba, Guilherme Pereira"]
[Black "Alves, Pericles Guedes"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1898"]
[PlyCount "73"]
[EventDate "2015.01.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. d4 Nbd7 7. 0-0 e5 8. Bg5 h6 9. dxe5 dxe5 10. Be3 b6 11. Qd2 Ng4 12. Rad1 Nxe3 13. fxe3 Qe7 14. Qd5 Rb8 15. Nb5 Nf6 16. Qxe5 Qxe5 17. Nxe5 Re8 18. Nc6 Rb7 19. e5 Ng4 20. Nd8 Nxe3 21. Nxb7 Nxf1 22. Kxf1 Bxb7 23. Bxb7 Rxe5 24. Rd5 Re7 25. b3 a5 26. Bc6 f5 27. Rd8+ Kh7 28. Rd7 Re6 29. Nd4 Rf6 30. Bd5 f4 31. Kg2 c5 32. Ne6 f3+ 33. Kf2 Rf5 34. Nxg7 Rf6 35. Ne8+ Kh8 36. Nxf6 b5 37. Rh7# 1-0

[Event "Botafogo Fexerj op"]
[Site "Botafogo"]
[Date "2015.01.24"]
[Round "4"]
[White "Yoshioka, Hugo"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1527"]
[BlackElo "1898"]
[PlyCount "94"]
[EventDate "2015.01.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. Bg5 Nbd7 6. e3 0-0 7. Be2 c6 8. 0-0 Qc7 9. b4 e5 10. dxe5 dxe5 11. Qb3 Nb6 12. Rad1 Bf5 13. Bxf6 Bxf6 14. c5 Nd7 15. Nd2 b5 16. Nde4 Be6 17. Qb2 Bg7 18. Nd6 f5 19. Rc1 e4 20. Bd1 Ne5 21. Bc2 a5 22. a3 axb4 23. axb4 Nc4 24. Nxc4 Bxc4 25. Bb3 Qf7 26. Bxc4 Qxc4 27. Rfd1 Rfd8 28. Rxd8+ Rxd8 29. Qa3 Bxc3 30. g3 Bxb4 31. Qb2 Rd2 32. Rxc4 Rxb2 33. Rc1 Rb3 34. Rd1 Rd3 35. Rc1 Kf7 36. Kf1 Ke6 37. Ke2 Rd2+ 38. Kf1 Rd3 39. Ke2 Kd5 40. Ra1 Ba3 41. Rh1 b4 42. h4 b3 43. h5 b2 44. hxg6 hxg6 45. f3 Rc3 46. fxe4+ Kxe4 47. Rh4+ Ke5 0-1

[Event "Rio de Janeiro Estadual op"]
[Site "Rio de Janeiro"]
[Date "2014.08.03"]
[Round "3"]
[White "Da Silva, Claudio Oliveira"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1799"]
[BlackElo "1887"]
[PlyCount "61"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. dxe5 dxe5 8. 0-0 c6 9. Qc2 Qc7 10. Be3 Be6 11. Rad1 Nbd7 12. Ng5 Rae8 13. Nxe6 Rxe6 14. Rd3 h6 15. Rfd1 b6 16. b4 Re7 17. Qd2 Kh7 18. f3 Rc8 19. g3 Nf8 20. Bf1 Ne6 21. Bh3 Rce8 22. Bxe6 Rxe6 23. Nd5 cxd5 24. cxd5 Rd6 25. Rc1 Qd7 26. Rdc3 Nxd5 27. Rd3 Qb5 28. a3 Red8 29. Rd1 Nxe3 30. Rxd6 Rxd6 31. Qxd6 0-1

[Event "Rio de Janeiro Estadual op"]
[Site "Rio de Janeiro"]
[Date "2014.08.03"]
[Round "4"]
[White "Vilalba, Guilherme Pereira"]
[Black "Oliveira, Israel Flavio Felic"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1887"]
[BlackElo "1907"]
[PlyCount "129"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 e6 4. 0-0 Nc6 5. d3 Nf6 6. Nbd2 Be7 7. e4 dxe4 8. dxe4 e5 9. c3 h6 10. Qc2 Be6 11. h3 0-0 12. Re1 Qd7 13. Kh2 Rad8 14. Nb3 Qc7 15. Be3 Nd7 16. Rad1 c4 17. Nbd2 Nc5 18. Bxc5 Bxc5 19. Nf1 f5 20. Rxd8 Qxd8 21. Ne3 Bxe3 22. Rxe3 b5 23. exf5 Bxf5 24. Qe2 Bd3 25. Qe1 e4 26. Nd2 Ne5 27. Nxe4 Bxe4 28. Bxe4 Nd3 29. Bxd3 cxd3 30. Qd2 Rxf2+ 31. Qxf2 d2 32. Re8+ Qxe8 33. Qxd2 Qe4 34. h4 Kh7 35. Qg2 Qc4 36. Qc2+ Kh8 37. b3 Qe6 38. c4 bxc4 39. bxc4 Qc6 40. c5 a5 41. a4 Kg8 42. Qc4+ Kh8 43. Kg1 Qf3 44. c6 Qxg3+ 45. Kf1 Qf3+ 46. Ke1 Qe3+ 47. Kd1 Qf3+ 48. Kc2 Qg2+ 49. Kd3 Qf3+ 50. Kd4 Qf4+ 51. Kc5 Qe5+ 52. Kb6 Qb8+ 53. Ka6 Qa8+ 54. Kb6 Qb8+ 55. Kxa5 Qa7+ 56. Kb5 Qb8+ 57. Kc5 Qe5+ 58. Qd5 Qc3+ 59. Kb6 Qb4+ 60. Qb5 Qd6 61. Kb7 Qe7+ 62. c7 Qe4+ 63. Kb8 Qf4 64. a5 Kh7 65. a6 1-0

[Event "Rio de Janeiro Estadual op"]
[Site "Rio de Janeiro"]
[Date "2014.08.02"]
[Round "1"]
[White "Guimaraes, Wagner Peixoto"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2240"]
[BlackElo "1887"]
[PlyCount "51"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 h6 7. Be3 e5 8. d5 Nbd7 9. Qd2 Nc5 10. f3 a5 11. 0-0-0 Kh7 12. g4 Bxg4 13. Bxc5 Bxf3 14. Bxf3 dxc5 15. h4 h5 16. Kb1 Bh6 17. Qe2 Ng8 18. Nh3 Qxh4 19. Rdg1 Qe7 20. Bxh5 gxh5 21. Qxh5 f6 22. Nf2 f5 23. Rg6 Kh8 24. Rxh6+ Nxh6 25. Qxh6+ Kg8 26. Rg1+ 1-0

[Event "Rio de Janeiro Estadual op"]
[Site "Rio de Janeiro"]
[Date "2014.08.02"]
[Round "2"]
[White "Vilalba, Guilherme Pereira"]
[Black "Dos Reis, Alexandre Magno Per"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1887"]
[BlackElo "1973"]
[PlyCount "64"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. 0-0 d5 5. d3 Be7 6. Nbd2 0-0 7. c3 c6 8. Qc2 Nbd7 9. e4 fxe4 10. dxe4 Qc7 11. Re1 Bc5 12. Nb3 Nxe4 13. Nxc5 Ndxc5 14. Bf4 Rxf4 15. gxf4 Qxf4 16. b4 Nd7 17. Nd4 Ndf6 18. f3 Ng5 19. Qd3 e5 20. Ne2 Qh4 21. Ng3 e4 22. fxe4 Ng4 23. exd5 Qxh2+ 24. Kf1 Bd7 25. Re2 Rf8+ 26. Ke1 Qg1+ 27. Nf1 Nh2 28. Qe3 Rxf1+ 29. Bxf1 Qxf1+ 30. Kd2 Nhf3+ 31. Kd3 Qxa1 32. dxc6 Bxc6 0-1

[Event "BRA-ch U16"]
[Site "Tres Rios"]
[Date "2014.05.11"]
[Round "6.6"]
[White "Vilalba, Guilherme Pereira"]
[Black "Pires, Pedro Guilherme Siq"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1907"]
[PlyCount "79"]
[EventDate "2014.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 d5 5. Nbd2 c5 6. e4 Nc6 7. 0-0 0-0 8. c3 e5 9. Qc2 Re8 10. a4 a5 11. h3 Rb8 12. Re1 d4 13. Nc4 h6 14. Kh2 Nd7 15. Nd6 Re6 16. Nxc8 Rxc8 17. Ng1 Qc7 18. Bd2 Ne7 19. Bf1 Nb6 20. f4 exf4 21. Bxf4 Be5 22. Bxe5 Qxe5 23. Nf3 Qd6 24. Qd2 Kg7 25. cxd4 cxd4 26. Qxa5 Rc2+ 27. Re2 Rc5 28. Qb4 Kh7 29. Nxd4 Nc6 30. Nxc6 Qxc6 31. Bg2 Rc2 32. Rxc2 Qxc2 33. Rf1 Kg8 34. a5 Qa4 35. Qc5 Rc6 36. Qe5 Re6 37. Qb8+ Re8 38. Qxb7 Nd7 39. b3 Rb8 40. Qxb8+ 1-0

[Event "BRA-ch U16"]
[Site "Tres Rios"]
[Date "2014.05.10"]
[Round "5.5"]
[White "Outi, Matheus Goya"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1611"]
[BlackElo "1907"]
[PlyCount "49"]
[EventDate "2014.05.08"]
[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 d6 5. h3 Nbd7 6. Bf4 0-0 7. e3 Re8 8. Be2 c6 9. 0-0 Qc7 10. b4 e5 11. Bh2 Nh5 12. c5 f5 13. cxd6 Qxd6 14. Qb3+ Kf8 15. Ng5 Re7 16. Rad1 f4 17. Bxh5 gxh5 18. Nxh7+ Ke8 19. Qg8+ Nf8 20. Nxf8 Bxf8 21. dxe5 Qxe5 22. Qg6+ Rf7 23. exf4 Qxc3 24. Rfe1+ Be7 25. Rxe7+ 1-0

[Event "BRA-ch U16"]
[Site "Tres Rios"]
[Date "2014.05.10"]
[Round "4.4"]
[White "Vilalba, Guilherme Pereira"]
[Black "Goncalves, Ruan Lucas Alves"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1907"]
[BlackElo "1920"]
[PlyCount "66"]
[EventDate "2014.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. d3 Bg7 5. e4 d6 6. 0-0 Nf6 7. c3 0-0 8. Nh4 e5 9. f4 Rb8 10. a4 a6 11. f5 d5 12. Qe2 Re8 13. Bg5 d4 14. Nd2 Rf8 15. h3 b5 16. axb5 axb5 17. Nb3 c4 18. dxc4 d3 19. Qe3 bxc4 20. Nd2 Rxb2 21. Nxc4 Rc2 22. Nd2 Rxc3 23. Rfc1 Rc2 24. Rxc2 dxc2 25. fxg6 fxg6 26. Qb3+ Kh8 27. Qxc2 Qd4+ 28. Kh2 Qxa1 29. Qxc6 Qa3 30. Nc4 Qc3 31. Bd2 Qc2 32. Nxe5 Qxc6 33. Nxc6 Nd7 1/2-1/2

[Event "BRA-ch U16"]
[Site "Tres Rios"]
[Date "2014.05.09"]
[Round "3.4"]
[White "Lima, Igor Cirineu De Bar"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1698"]
[BlackElo "1907"]
[PlyCount "31"]
[EventDate "2014.05.08"]
[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. Nf3 d6 3. d4 Nd7 4. Bc4 h6 5. 0-0 Ngf6 6. Nc3 g6 7. h3 Bg7 8. Be3 0-0 9. Qd2 Kh7 10. Rad1 Nb6 11. Bb3 Qe7 12. Rfe1 c6 13. dxe5 dxe5 14. Bxb6 axb6 15. Qd6 Qxd6 16. Rxd6 1/2-1/2

[Event "BRA-ch U16"]
[Site "Tres Rios"]
[Date "2014.05.09"]
[Round "2.4"]
[White "Vilalba, Guilherme Pereira"]
[Black "Lage, Pedro Ferreira"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1907"]
[BlackElo "1731"]
[PlyCount "36"]
[EventDate "2014.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. d3 Nd7 5. Nbd2 e6 6. e4 Bd6 7. 0-0 Ne7 8. c3 0-0 9. Qc2 Rc8 10. Nh4 Qb6 11. Kh1 Qb5 12. Nb3 Ne5 13. f3 Bh5 14. Rd1 c5 15. d4 cxd4 16. Nxd4 Qa5 17. Re1 Nc4 18. f4 Rfe8 1/2-1/2

[Event "BRA-ch U16"]
[Site "Tres Rios"]
[Date "2014.05.08"]
[Round "1.5"]
[White "Sousa, Ricardo Vinicius Ca"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "1907"]
[PlyCount "61"]
[EventDate "2014.05.08"]
[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. Nf3 d6 3. Nc3 Nf6 4. Bc4 h6 5. h3 g6 6. b3 Bg7 7. Bb2 Nbd7 8. Qe2 c6 9. a4 a5 10. Ba3 Qc7 11. Rc1 0-0 12. Nh4 Kh7 13. Qd3 Nc5 14. Qe3 Ne6 15. 0-0 Nh5 16. Be2 Nhf4 17. Bd1 Qd8 18. Nf3 f5 19. Ne2 fxe4 20. Nxf4 Rxf4 21. Ne1 Ng5 22. d3 d5 23. c3 Rf7 24. h4 d4 25. Qe2 exd3 26. Qxd3 Bf5 27. Qg3 Ne4 28. Qh2 Nd2 29. h5 dxc3 30. hxg6+ Bxg6 31. Be2 0-1

[Event "Guanabara op 2nd"]
[Site "Rio de Janeiro"]
[Date "2013.05.11"]
[Round "6"]
[White "De Souza, Rafael Le Masson"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2029"]
[BlackElo "1883"]
[PlyCount "66"]
[EventDate "2013.04.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Rd1 Qe7 10. Nc3 f6 11. Bf4 Qe6 12. Rd3 Ne7 13. Bxe5 Qxe5 14. Rad1 0-0 15. Rd7 Rac8 16. Qg3 Ng6 17. Qd3 Qc5 18. Qg3 Qe5 19. Qd3 Qe6 20. Qg3 Qe5 21. Qg4 Qf4 22. Qe6+ Kh8 23. g3 Qe5 24. Qg4 Qc5 25. h4 Rg8 26. Qe2 Ne5 27. Na4 Qb4 28. R7d4 Qe7 29. f4 b5 30. Nc3 Qc5 31. Kg2 Nc4 32. b3 Nb2 33. R1d2 Qxc3 0-1

[Event "Guanabara op 2nd"]
[Site "Rio de Janeiro"]
[Date "2013.05.04"]
[Round "5"]
[White "Vilalba, Guilherme Pereira"]
[Black "Manzi, Luiz Antonio Bardao"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1883"]
[BlackElo "2129"]
[PlyCount "65"]
[EventDate "2013.04.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. c3 e5 9. Qc2 d4 10. Nc4 Re8 11. a4 h6 12. h3 b6 13. Nh2 Ba6 14. Rd1 Rc8 15. f4 Bxc4 16. dxc4 Nh5 17. Qd3 dxc3 18. Qf3 Nd4 19. Qf2 Nxg3 20. Bf3 exf4 21. bxc3 Nxf3+ 22. Qxf3 Qh4 23. Bxf4 Qxf4 24. Rd7 Qxf3 25. Nxf3 Bxc3 26. Ra3 Bb4 27. Rad3 Rxe4 28. R3d5 Rce8 29. Kf2 Nf5 30. Rxa7 Rxc4 31. Ne5 Rf4+ 32. Nf3 Nd4 33. Kg2 0-1

[Event "Guanabara op 2nd"]
[Site "Rio de Janeiro"]
[Date "2013.04.27"]
[Round "4"]
[White "Frota, Alvaro M"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2091"]
[BlackElo "1883"]
[PlyCount "86"]
[EventDate "2013.04.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 0-0 6. d3 h6 7. Be3 Bb6 8. Nd5 d6 9. Qd2 Kh7 10. a3 Nxd5 11. Bxd5 Ne7 12. Bb3 f5 13. Bxb6 axb6 14. Rae1 f4 15. h3 g5 16. d4 g4 17. hxg4 Bxg4 18. Nh2 Bh5 19. Be6 Rf6 20. Bh3 Qf8 21. f3 Nc6 22. c3 Qg7 23. Bf5+ Bg6 24. Ng4 Rf7 25. Bxg6+ Qxg6 26. dxe5 h5 27. Nf6+ Kh8 28. Nd5 dxe5 29. Qf2 Na5 30. Qh4 Re8 31. Kf2 c6 32. Nxb6 Rg7 33. Qh3 Reg8 34. Rg1 Qd6 35. b4 Qd2+ 36. Re2 Qxc3 37. bxa5 Qd4+ 38. Kf1 Qd1+ 39. Re1 Qd3+ 40. Kf2 Qd4+ 41. Kf1 Qd3+ 42. Kf2 Qc2+ 43. Kf1 Qd3+ 1/2-1/2

[Event "Guanabara op 2nd"]
[Site "Rio de Janeiro"]
[Date "2013.04.20"]
[Round "3"]
[White "Santos Filho, Tadeu Souza"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2093"]
[BlackElo "1883"]
[PlyCount "82"]
[EventDate "2013.04.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Nf6 7. Bg5 Be7 8. 0-0-0 c5 9. Qd2 Be6 10. f3 a6 11. Bf4 Qa5 12. Bxd6 0-0-0 13. e5 Ne8 14. Nd5 Qxd2+ 15. Rxd2 Bxd6 16. exd6 Rxd6 17. Nc3 Rxd2 18. Kxd2 Nf6 19. Na4 Rd8+ 20. Kc1 Nd7 21. Bd3 b5 22. Nc3 Ne5 23. Be2 Kc7 24. Ne4 Kb6 25. b3 h6 26. Re1 Nc6 27. Bd1 Nd4 28. c3 Nc6 29. f4 Ne7 30. g4 g6 31. Nf2 Nd5 32. f5 gxf5 33. gxf5 Bxf5 34. Re5 Be6 35. Ne4 Rc8 36. Bh5 Nf4 37. Kc2 c4 38. Bxf7 cxb3+ 39. axb3 Bxf7 40. Rf5 Rf8 41. Nd6 Bg6 0-1

[Event "Guanabara op 2nd"]
[Site "Rio de Janeiro"]
[Date "2013.04.06"]
[Round "1"]
[White "Vilalba, Guilherme Pereira"]
[Black "Baeta, Marcio Netto"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1883"]
[BlackElo "2113"]
[PlyCount "97"]
[EventDate "2013.04.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. d3 e5 5. 0-0 d5 6. e4 dxe4 7. dxe4 Qxd1 8. Rxd1 Bg4 9. c3 Nxe4 10. Re1 0-0-0 11. h3 Bh5 12. Na3 Bg6 13. Nh4 Nf6 14. Nxg6 hxg6 15. Nc4 Nd7 16. Bxc6 bxc6 17. Kg2 f6 18. Be3 Nb6 19. Nd2 Nd5 20. Nc4 Be7 21. Rad1 Kc7 22. a3 Rd7 23. Rd2 Rhd8 24. Red1 f5 25. Kf3 e4+ 26. Ke2 g5 27. Ne5 f4 28. Nxd7 fxe3 29. fxe3 Rxd7 30. c4 Nf6 31. Rxd7+ Nxd7 32. g4 a5 33. a4 Ne5 34. b3 Nd3 35. Rf1 Bf6 36. Rd1 Kd6 37. Rf1 Kd7 38. Rd1 g6 39. Rf1 Bb2 40. Rb1 Ba3 41. Ra1 Bc1 42. Rb1 Ke6 43. Ra1 Ke5 44. Rb1 Bb2 45. Kd2 Ke6 46. Ke2 Bc3 47. Rf1 Bf6 48. Rb1 Nf4+ 49. Kf2 1/2-1/2

[Event "Rio de Janeiro Regional Sudeste"]
[Site "Rio de Janeiro"]
[Date "2013.03.31"]
[Round "6"]
[White "Noseda, Francesco"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "1795"]
[BlackElo "1888"]
[PlyCount "86"]
[EventDate "2013.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Bb5 Bg4 5. h3 Bxf3 6. Qxf3 Nge7 7. c3 a6 8. Ba4 b5 9. Bc2 exf4 10. d4 Ng6 11. Bxf4 Be7 12. 0-0 Na5 13. Bxd6 Qxd6 14. Qxf7+ Kd7 15. e5 Nxe5 16. Bf5+ Kc6 17. Be4+ Kb6 18. dxe5 Qc5+ 19. Qf2 Raf8 20. Qd4 Rd8 21. Qxc5+ Bxc5+ 22. Kh1 Nc4 23. b4 Be3 24. a4 Nxe5 25. axb5 axb5 26. Ra2 Nc4 27. Re2 Bg5 28. Rf3 Bf6 29. Rd3 h6 30. Nd2 Rxd3 31. Bxd3 Nxd2 32. Rxd2 Rd8 33. Kg1 Bxc3 34. Rd1 Bxb4 35. Kf2 c5 36. Ke3 c4 37. Bc2 Bc5+ 38. Ke2 Rxd1 39. Kxd1 b4 40. Bg6 b3 41. Bf7 Kb5 42. Kd2 Bd4 43. Kc1 Kb4 0-1

[Event "Rio de Janeiro Regional Sudeste"]
[Site "Rio de Janeiro"]
[Date "2013.03.31"]
[Round "5"]
[White "Vilalba, Guilherme Pereira"]
[Black "Manzi, Luiz Antonio Bardao"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1888"]
[BlackElo "2120"]
[PlyCount "122"]
[EventDate "2013.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. d3 e6 5. Nbd2 c5 6. c3 d6 7. e4 Nbd7 8. 0-0 Be7 9. Re1 Qc7 10. Qc2 0-0 11. h3 Rac8 12. a4 Rfd8 13. Nc4 Bf8 14. Bf4 e5 15. Bc1 g6 16. Nh4 Bg7 17. f4 Nh5 18. Kh2 exf4 19. gxf4 Nf8 20. Kg1 d5 21. Ne5 Bxe5 22. fxe5 Qxe5 23. Nf3 Qg3 24. Bg5 f6 25. Bh4 Qf4 26. e5 d4 27. exf6 Bxf3 28. f7+ Kg7 29. Bxd8 Bxg2 30. Qxg2 Rxd8 31. Re4 Qg3 32. cxd4 cxd4 33. Qxg3 Nxg3 34. Re7 Rd7 35. Rae1 Nf5 36. Rxd7 Nxd7 37. b4 Kxf7 38. Kf2 Ne7 39. Re4 Nf5 40. Re1 Nf6 41. Re5 Ne3 42. Kf3 Ned5 43. b5 Nc3 44. Re1 Nd7 45. Ra1 Ne5+ 46. Kg3 Nxd3 47. a5 Nc5 48. axb6 axb6 49. Ra7+ Ke6 50. Kf4 h5 51. h4 d3 52. Ke3 Nxb5 53. Rg7 Kf6 54. Rg8 Nd6 55. Rf8+ Ke6 56. Rf4 b5 57. Kd2 Nc4+ 58. Kd1 d2 59. Rf8 Ne4 60. Re8+ Kf5 61. Ke2 Nc3+ 0-1

[Event "Rio de Janeiro Regional Sudeste"]
[Site "Rio de Janeiro"]
[Date "2013.03.30"]
[Round "4"]
[White "Maia, Marco Aurelio Ferre"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2129"]
[BlackElo "1888"]
[PlyCount "20"]
[EventDate "2013.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d6 4. e4 Nbd7 5. Bc4 Bg7 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qd8 10. Nxa8 Nxe4 1-0

[Event "Rio de Janeiro Regional Sudeste"]
[Site "Rio de Janeiro"]
[Date "2013.03.30"]
[Round "3"]
[White "Vilalba, Guilherme Pereira"]
[Black "Rios Filho, Hilton Carlos da Si"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1888"]
[BlackElo "2155"]
[PlyCount "111"]
[EventDate "2013.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. 0-0 g6 5. d3 Bg7 6. Nbd2 Nf6 7. c3 0-0 8. e4 Nc6 9. Qc2 d5 10. Re1 e5 11. h3 Re8 12. a4 Qc7 13. Rb1 a6 14. Ra1 Rac8 15. Kh2 d4 16. Nb3 Qe7 17. Ng1 dxc3 18. bxc3 Red8 19. Be3 Nd4 20. Bxd4 cxd4 21. c4 Nd7 22. Qd2 Ra8 23. f4 Bh6 24. Rf1 Bc6 25. Qc2 f6 26. fxe5 fxe5 27. Nf3 a5 28. Kh1 Rdb8 29. Nh2 Nc5 30. Ng4 Bg7 31. Nd2 h5 32. Nf2 Qd7 33. g4 hxg4 34. Nxg4 Bxa4 35. Qa2 Qd6 36. Nf3 Bd7 37. Ng5 Rf8 38. Nf3 Rf4 39. Nfh2 Rxf1+ 40. Rxf1 Kh8 41. Qd2 Rf8 42. Qg5 Bxg4 43. Nxg4 Nxd3 44. c5 Rxf1+ 45. Bxf1 Qf8 46. Bxd3 Qf3+ 47. Kh2 Qxd3 48. Qh4+ Kg8 49. Qd8+ Bf8 50. cxb6 Qc2+ 51. Kg3 a4 52. Kh4 Kf7 53. b7 Be7+ 54. Qxe7+ Kxe7 55. b8Q Qxe4 56. Qa7+ 1-0

[Event "Rio de Janeiro Regional Sudeste"]
[Site "Rio de Janeiro"]
[Date "2013.03.29"]
[Round "1"]
[White "Vilalba, Guilherme Pereira"]
[Black "Teixeira, Ricardo da Silva"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1888"]
[BlackElo "2233"]
[PlyCount "56"]
[EventDate "2013.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. d3 d6 5. Nbd2 Nc6 6. e4 e5 7. c3 fxe4 8. dxe4 Be6 9. 0-0 h6 10. h3 Qd7 11. Kh2 g5 12. Ng1 0-0-0 13. b4 Ne7 14. c4 h5 15. f3 g4 16. Qe2 Ng6 17. a4 h4 18. fxg4 hxg3+ 19. Kxg3 Nf4 20. Qf2 Bxg4 21. Qxa7 Qh7 22. Ra3 Be2 23. Rf2 Qh4+ 24. Kh2 Ng4+ 25. Kh1 Nxf2+ 26. Kh2 Rg8 27. Bf1 Bxf1 28. Nxf1 Rg2# 0-1

[Event "Rio de Janeiro Regional Sudeste"]
[Site "Rio de Janeiro"]
[Date "2013.03.29"]
[Round "2"]
[White "Vilas Boas, Crisolon Terto"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1610"]
[BlackElo "1888"]
[PlyCount "76"]
[EventDate "2013.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. Bg5 Bg7 4. f3 d6 5. Qd2 Nbd7 6. 0-0-0 c6 7. h4 h6 8. Bxf6 Nxf6 9. g4 h5 10. g5 Nd7 11. e4 e5 12. d5 c5 13. Bb5 a6 14. Bxd7+ Bxd7 15. Nge2 b5 16. f4 a5 17. Ng3 exf4 18. Qxf4 Be5 19. Qe3 b4 20. Nce2 Bg4 21. Rde1 a4 22. Ng1 c4 23. Nh3 c3 24. Ne2 cxb2+ 25. Kb1 Qc7 26. Nd4 Qc4 27. Nc6 Bc3 28. Ref1 Bxh3 29. Qxh3 b3 30. cxb3 axb3 31. axb3 Qxb3 32. Na5 Qb4 33. Qf3 0-0 34. Kc2 Qxa5 35. Rb1 Bd4 36. Rhf1 Rac8+ 37. Kd1 Qa4+ 38. Ke2 Rc2+ 0-1

[Event "Guanabara op 1st"]
[Site "Rio de Janeiro"]
[Date "2013.02.16"]
[Round "5"]
[White "Vilalba, Guilherme Pereira"]
[Black "De Oliveira, Fillipe Fernandes"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1888"]
[BlackElo "1800"]
[PlyCount "47"]
[EventDate "2013.01.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. d3 0-0 6. Nbd2 c5 7. e4 dxe4 8. dxe4 Nc6 9. c3 Qc7 10. Qc2 b5 11. a4 b4 12. Re1 e5 13. Nc4 Be6 14. Bf1 a5 15. Ng5 Nd7 16. Nxe6 fxe6 17. Bh3 Rf6 18. Bg5 Rg6 19. Bxe7 Nxe7 20. Rad1 Nc8 21. Rxd7 Qxd7 22. Nxe5 Qe8 23. Nxg6 Qxg6 24. cxb4 1-0

[Event "Guanabara op 1st"]
[Site "Rio de Janeiro"]
[Date "2013.01.26"]
[Round "3"]
[White "Frota, Alvaro M"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2099"]
[BlackElo "1888"]
[PlyCount "59"]
[EventDate "2013.01.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be2 e5 7. 0-0 0-0 8. d5 a5 9. Qc2 Nc5 10. Be3 Qe7 11. a3 a4 12. Nd2 Bd7 13. b4 axb3 14. Nxb3 Nxb3 15. Qxb3 b6 16. f3 Nh5 17. Rfe1 f5 18. a4 f4 19. Bf2 Rab8 20. Nb5 Rb7 21. Nxc7 Rxc7 22. Bxb6 Rb8 23. Reb1 Rcb7 24. c5 dxc5 25. d6+ Be6 26. dxe7 Bxb3 27. Rxb3 Nf6 28. Bc4+ Kh8 29. a5 Rxe7 30. a6 1-0

[Event "Guanabara op 1st"]
[Site "Rio de Janeiro"]
[Date "2013.01.19"]
[Round "2"]
[White "Noseda, Francesco"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "1800"]
[BlackElo "1888"]
[PlyCount "54"]
[EventDate "2013.01.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Be7 5. 0-0 Nf6 6. Nc3 0-0 7. d3 Be6 8. Bxe6 fxe6 9. fxe5 dxe5 10. h3 Bc5+ 11. Kh2 Nh5 12. Bg5 Qe8 13. Qd2 Qg6 14. Nh4 Qe8 15. Ne2 Bf2 16. Nf3 Bc5 17. g4 Nf6 18. Bh4 Rd8 19. Ng3 Rd7 20. Qg2 h6 21. g5 Nh7 22. gxh6 gxh6 23. Nf5+ Kh8 24. Nxh6 Rg7 25. Ng4 Qh5 26. Qd2 Rf4 27. Bg3 Rfxg4 0-1

[Event "Guanabara op 1st"]
[Site "Rio de Janeiro"]
[Date "2013.01.12"]
[Round "1"]
[White "Vilalba, Guilherme Pereira"]
[Black "Mascarenhas, Alberto Pinheiro"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1888"]
[BlackElo "2223"]
[PlyCount "82"]
[EventDate "2013.01.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 a6 6. a3 Qc7 7. e4 d6 8. Be3 Nbd7 9. b4 b6 10. Rc1 Bb7 11. f3 Be7 12. Be2 0-0 13. 0-0 Rac8 14. Na4 Qb8 15. Nb3 Bc6 16. Nb2 Qa8 17. c5 bxc5 18. bxc5 d5 19. Nd4 dxe4 20. Nxc6 Qxc6 21. fxe4 Qxe4 22. Bf2 Nxc5 23. Bf3 Qf5 24. Rc3 Nce4 25. Rxc8 Rxc8 26. Be3 Bxa3 27. Qb3 Bc5 28. Nd1 Nd2 29. Qb7 Bxe3+ 30. Nxe3 Qc5 31. Re1 Nxf3+ 32. Qxf3 Nd5 33. h3 Rb8 34. Kh2 Nxe3 35. Rxe3 Qc7+ 36. Kg1 g6 37. Kf2 Rb2+ 38. Kg1 Qb7 39. Re4 a5 40. Qd3 f5 41. Rxe6 Qxg2# 0-1

[Event "Rio de Janeiro Regional"]
[Site "Rio de Janeiro"]
[Date "2012.10.27"]
[Round "3"]
[White "Vilalba, Guilherme Pereira"]
[Black "Cruz, Jose Carlos Arruda"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1894"]
[BlackElo "1800"]
[PlyCount "78"]
[EventDate "2012.10.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. Nbd2 Be7 6. e4 d4 7. Nc4 Nd7 8. 0-0 0-0 9. a4 Bf6 10. h3 Ne7 11. Nh2 Ng6 12. Ng4 Nc5 13. b4 Nxa4 14. Rxa4 b5 15. Ra5 bxc4 16. Nxf6+ gxf6 17. dxc4 Rb8 18. Rxa7 Be6 19. f4 Bxc4 20. Rf2 d3 21. c3 Qd6 22. f5 Ne7 23. Bh6 Rfd8 24. Qg4+ Ng6 25. fxg6 fxg6 26. Be3 Qc6 27. Ra5 Bb5 28. Kh2 Rf8 29. Bc5 Rf7 30. Qd1 Qd7 31. Be3 Rd8 32. Qb3 Qc6 33. Rd2 Bc4 34. Qd1 Rfd7 35. Rc5 Qe6 36. Qg4 Qa6 37. Ra5 Qc6 38. Qd1 Qe6 39. Ra3 Qc6 1-0

[Event "Rio de Janeiro Regional"]
[Site "Rio de Janeiro"]
[Date "2012.10.26"]
[Round "2"]
[White "Rodrigues, Nei Jorge"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2051"]
[BlackElo "1894"]
[PlyCount "31"]
[EventDate "2012.10.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bc4 Nbd7 6. 0-0 e5 7. c3 0-0 8. Re1 c6 9. b4 a5 10. Bb2 Qc7 11. a4 Nh5 12. bxa5 Rxa5 13. Ba3 Re8 14. Qb3 Nb6 15. Bxd6 Qxd6 16. Bxf7+ 1-0

[Event "Rio de Janeiro Regional"]
[Site "Rio de Janeiro"]
[Date "2012.10.26"]
[Round "1"]
[White "Vilalba, Guilherme Pereira"]
[Black "De Paiva, Pedro Henrique"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1894"]
[BlackElo "2289"]
[PlyCount "65"]
[EventDate "2012.10.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. d3 e5 6. e4 Nge7 7. Nbd2 d6 8. a4 0-0 9. Nc4 f5 10. c3 h6 11. h3 Be6 12. Ne3 Qd7 13. Kh2 Rf7 14. Nh4 f4 15. Nc4 g5 16. Nf3 g4 17. Ng1 h5 18. gxf4 exf4 19. f3 Ng6 20. Qe2 Nce5 21. Nxe5 dxe5 22. fxg4 hxg4 23. hxg4 Bf6 24. Bh3 Rh7 25. Kg2 Kg7 26. Rd1 Rah8 27. d4 cxd4 28. cxd4 exd4 29. Ra3 Rxh3 30. Nxh3 Bxg4 31. Qc2 Bxh3+ 32. Rxh3 Qxh3+ 33. Kf2 0-1

[Event "BRA-ch U14"]
[Site "Rio de Janeiro"]
[Date "2012.05.13"]
[Round "6"]
[White "Stone, Ronnie Frank Pires"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "C98"]
[WhiteElo "1946"]
[BlackElo "1906"]
[PlyCount "78"]
[EventDate "2012.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 0-0 12. Nbd2 Nc6 13. d5 Nd8 14. a4 Rb8 15. axb5 axb5 16. b3 Bd7 17. Nf1 Nb7 18. Bd2 Ra8 19. Qe2 Rfb8 20. g4 h6 21. Ng3 Nh7 22. Kg2 Nd8 23. Nf5 Bf8 24. Ne3 f6 25. Nh4 Nf7 26. Ng6 Nh8 27. Nxf8 Rxf8 28. Nf5 Rfb8 29. h4 Nf7 30. Kg3 g5 31. hxg5 Rxa1 32. Rxa1 Bxf5 33. gxf5 fxg5 34. Qh5 Nf8 35. Qd1 Nd7 36. Qh5 Nf8 37. Qh1 Kg7 38. Ra6 Nd7 39. Qa1 h5 1/2-1/2

[Event "BRA-ch U14"]
[Site "Rio de Janeiro"]
[Date "2012.05.12"]
[Round "3"]
[White "Goncalves, Ruan Lucas Alves"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "1842"]
[BlackElo "1906"]
[PlyCount "80"]
[EventDate "2012.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nd7 4. Bc4 h6 5. d4 Qe7 6. 0-0 Ngf6 7. Nc3 g6 8. h3 Bg7 9. Be3 0-0 10. dxe5 dxe5 11. f5 Kh7 12. Qe2 Nc5 13. fxg6+ fxg6 14. Bf2 Nh5 15. Nd5 Qd6 16. Rad1 Rb8 17. g4 c6 18. Nb6 Nf4 19. Qe3 Qf6 20. Nxc8 Rbxc8 21. Bh4 g5 22. Bg3 b6 23. b4 Nce6 24. Rd6 Qe7 25. Rfd1 Nd4 26. R6xd4 exd4 27. Nxd4 Bxd4 28. Rxd4 Rcd8 29. Rxd8 Qxd8 30. Bxf4 Qd1+ 31. Kg2 gxf4 32. Qf2 f3+ 33. Kg3 Qd6+ 34. Kh4 Qf6+ 35. Kg3 Qf4+ 36. Kh4 h5 37. Bd3 hxg4 38. hxg4 Rh8 39. Qd4 Kg6+ 40. Qxh8 Qh2# 0-1

[Event "BRA-ch U14"]
[Site "Rio de Janeiro"]
[Date "2012.05.12"]
[Round "4"]
[White "Okada, William Kenji"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "1827"]
[BlackElo "1906"]
[PlyCount "29"]
[EventDate "2012.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nbd7 7. Bf4 c6 8. Nc3 Qc7 9. c5 Nh5 10. cxd6 exd6 11. Bg5 h6 12. Bd2 Nhf6 13. Rc1 Nb6 14. e4 Re8 15. Re1 1-0

[Event "BRA-ch U14"]
[Site "Rio de Janeiro"]
[Date "2012.05.12"]
[Round "5"]
[White "Vilalba, Guilherme Pereira"]
[Black "Marques, Matheus Augusto"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1906"]
[BlackElo "1844"]
[PlyCount "51"]
[EventDate "2012.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 b6 4. 0-0 Nbd7 5. d3 Bb7 6. Nbd2 e6 7. c3 Be7 8. Qc2 0-0 9. e4 Ne8 10. Re1 f5 11. Nd4 Rf6 12. exf5 exf5 13. N2f3 Nc5 14. Bg5 Rf7 15. Bxe7 Rxe7 16. b4 Na6 17. Rxe7 Qxe7 18. Nxf5 Qf6 19. d4 Nd6 20. Nxd6 Qxd6 21. Re1 h6 22. Nh4 Qf6 23. b5 Nb8 24. Bh3 g5 25. Be6+ Kf8 26. Qh7 1-0

[Event "BRA-ch U14"]
[Site "Rio de Janeiro"]
[Date "2012.05.11"]
[Round "2"]
[White "Vilalba, Guilherme Pereira"]
[Black "Sakada, Marcos Vinicius"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1906"]
[BlackElo "1722"]
[PlyCount "68"]
[EventDate "2012.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. d3 Nf6 5. 0-0 Nc6 6. e4 d6 7. Nbd2 0-0 8. h3 Bd7 9. a4 a6 10. c3 b5 11. Nh4 Qc8 12. axb5 axb5 13. Rxa8 Qxa8 14. f4 Qa4 15. Qxa4 bxa4 16. Nc4 Rb8 17. Be3 Nd8 18. Nf3 Bc6 19. Nfd2 Nb7 20. Ra1 Nd7 21. d4 cxd4 22. cxd4 Ra8 23. b3 Na5 24. e5 d5 25. Nxa5 Rxa5 26. bxa4 e6 27. Bf1 Rxa4 28. Rc1 Ra3 29. Kf2 Ba4 30. Rc7 Bf8 31. Be2 Bb4 32. Rb7 Ba5 33. Ra7 Bb4 34. Rb7 Ba5 1/2-1/2

[Event "Tijuca Schlechter Memorial"]
[Site "Tijuca"]
[Date "2012.05.05"]
[Round "6"]
[White "Vilalba, Guilherme Pereira"]
[Black "De Souza, Rafael Le Masson"]
[Result "0-1"]
[ECO "D16"]
[WhiteElo "1906"]
[PlyCount "34"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Na6 6. e4 Bg4 7. Be3 Qa5 8. Bxc4 Nxe4 9. Bxf7+ Kxf7 10. Ne5+ Qxe5 11. Qxg4 Nf6 12. Qd1 Qc7 13. Rc1 e6 14. 0-0 Qd7 15. Qf3 Nb4 16. Bf4 Nbd5 17. Nxd5 Qxd5 0-1

[Event "Tijuca Schlechter Memorial"]
[Site "Tijuca"]
[Date "2012.04.14"]
[Round "4"]
[White "Vilalba, Guilherme Pereira"]
[Black "Rodrigues, Murilo Costa"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "1906"]
[PlyCount "63"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nd7 3. Nc3 e5 4. Nf3 Ngf6 5. e3 Be7 6. Bd3 0-0 7. 0-0 Re8 8. Qc2 Bf8 9. b4 c5 10. bxc5 dxc5 11. d5 Bd6 12. Ng5 Nf8 13. Rd1 Qe7 14. Nge4 Bg4 15. f3 Bh5 16. Nxd6 Qxd6 17. Nb5 Qd8 18. d6 e4 19. Be2 exf3 20. Bxf3 Bxf3 21. gxf3 Re5 22. e4 Ng6 23. Be3 b6 24. Nc7 Rb8 25. Qa4 Rb7 26. Qc6 Rb8 27. Qa4 a5 28. Qc6 Nd7 29. f4 Rh5 30. Nd5 Rc8 31. Ne7+ Nxe7 32. dxe7 1-0

[Event "Tijuca Schlechter Memorial"]
[Site "Tijuca"]
[Date "2012.04.07"]
[Round "3"]
[White "Zacarias, Rodrigo Medeiros"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2065"]
[BlackElo "1906"]
[PlyCount "122"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 0-0 5. 0-0 d6 6. Qe2 Nbd7 7. c4 e5 8. Nc3 c6 9. b3 Qc7 10. Bb2 Re8 11. Qc2 Nh5 12. d5 f5 13. e4 Nc5 14. Rfe1 Nf4 15. Bf1 Bh6 16. g3 fxe4 17. gxf4 exf3 18. fxe5 dxe5 19. b4 Bf5 20. Qd1 Na6 21. d6 Qd7 22. Ne4 Bxe4 23. Rxe4 Qf5 24. d7 Qxe4 25. dxe8Q+ Rxe8 26. Qd7 Rf8 27. Qe6+ Rf7 28. Rd1 Nc7 29. Rd8+ Bf8 30. Qxe5 Qxe5 31. Bxe5 Ne6 32. Ra8 Rd7 33. c5 a6 34. h4 Kf7 35. Bc4 Rd1+ 36. Kh2 Rd7 37. Rxf8+ Kxf8 38. Bxe6 Rd2 39. Kg3 Ke7 40. Bc8 Rxa2 41. Bc7 Ra3 42. Bxb7 Kd7 43. Ba5 Rd3 44. Bxa6 Rd4 45. Bf1 h5 46. Bh3+ Ke7 47. b5 Ra4 48. Bd2 cxb5 49. Bg5+ Ke8 50. c6 Rc4 51. Bd7+ Kf7 52. Bf4 Ke7 53. Bg5+ Kd6 54. Be8 b4 55. Bd8 b3 56. c7 b2 57. Bxg6 Rg4+ 58. Kxf3 Rxg6 59. c8Q b1Q 60. Qc7+ Ke6 61. Qc4+ Kd7 1/2-1/2

[Event "Tijuca Schlechter Memorial"]
[Site "Tijuca"]
[Date "2012.03.31"]
[Round "2"]
[White "Vilalba, Guilherme Pereira"]
[Black "Chagas, Fernando Paulino"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1906"]
[BlackElo "2151"]
[PlyCount "48"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 c6 5. e3 Bg4 6. Be2 Nd7 7. h3 Bxf3 8. Bxf3 Ngf6 9. Bd2 e5 10. 0-0 0-0 11. Qc2 Re8 12. b3 Rc8 13. Rad1 Qe7 14. Ne4 Nxe4 15. Qxe4 f5 16. Qc2 exd4 17. exd4 Bxd4 18. Bf4 Bc5 19. Qd2 Ne5 20. b4 Nxf3+ 21. gxf3 Bb6 22. Qxd6 Qh4 23. Qd2 Rcd8 24. Bg5 Qg3+ 0-1

[Event "Rio de Janeiro Inverno"]
[Site "Rio de Janeiro"]
[Date "2011.09.05"]
[Round "7"]
[White "Vilalba, Guilherme Pereira"]
[Black "Rodrigues, Nei Jorge"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1927"]
[BlackElo "2053"]
[PlyCount "109"]
[EventDate "2011.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d3 e5 5. e4 dxe4 6. dxe4 Qxd1+ 7. Kxd1 Ne7 8. Nc3 0-0 9. Ke2 Be6 10. Rd1 Nbc6 11. a3 Rfd8 12. Ke1 Rxd1+ 13. Kxd1 Rd8+ 14. Ke1 f6 15. Be3 a6 16. Rd1 Rxd1+ 17. Kxd1 Bf8 18. Bf1 Nc8 19. Na4 Nd6 20. Nc5 Bc8 21. Nd2 b5 22. a4 Kg7 23. f3 h5 24. h4 Be7 25. Be2 g5 26. Bf2 Kg6 27. Kc1 gxh4 28. gxh4 Nd4 29. Bf1 c6 30. axb5 N6xb5 31. Ncb3 Be6 32. Nxd4 Nxd4 33. Bxa6 Bh3 34. Bd3 c5 35. c3 Ne6 36. Bf1 Bxf1 37. Nxf1 Nf4 38. Kc2 f5 39. Ne3 fxe4 40. fxe4 Kf6 41. Be1 Ke6 42. b4 cxb4 43. cxb4 Kd7 44. b5 Kc7 45. Kc3 Kb7 46. Kc4 Bd8 47. Nf5 Bf6 48. Nd6+ Kb8 49. Bf2 Ng6 50. Nf5 Nf4 51. b6 Bd8 52. Kb5 Ng6 53. Ka6 Ka8 54. b7+ Kb8 55. Ba7+ 1-0

[Event "Rio de Janeiro Inverno"]
[Site "Rio de Janeiro"]
[Date "2011.09.04"]
[Round "6"]
[White "Mangini, Jose Henrique de Me"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1608"]
[BlackElo "1927"]
[PlyCount "62"]
[EventDate "2011.08.10"]
[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. Bxc6 dxc6 5. 0-0 Bg4 6. h3 Bxf3 7. Qxf3 Nf6 8. d3 Be7 9. Bg5 h6 10. Bxf6 Bxf6 11. Nc3 0-0 12. a3 b6 13. Ne2 Qd7 14. Ng3 Rad8 15. Nh5 Be7 16. Qg3 g6 17. f4 Kh7 18. f5 gxh5 19. f6 Rg8 20. Qxe5 Qxh3 21. Rf2 Bc5 22. Qf5+ Qxf5 23. exf5 Bxf2+ 24. Kxf2 Rd5 25. Re1 Rxf5+ 26. Ke2 Re8+ 27. Kd2 Rf2+ 28. Kd1 Rxe1+ 29. Kxe1 Rxg2 30. Kd1 h4 31. b4 h3 0-1

[Event "Rio de Janeiro Inverno"]
[Site "Rio de Janeiro"]
[Date "2011.09.02"]
[Round "5"]
[White "Vilalba, Guilherme Pereira"]
[Black "Pinheiro, Antonio Jaime Costa"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1927"]
[PlyCount "68"]
[EventDate "2011.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 d6 5. d3 0-0 6. e4 Re8 7. Nbd2 Nbd7 8. a4 a5 9. Nc4 e5 10. Nh4 Nc5 11. h3 Be6 12. Qe2 Qc8 13. Kh2 h6 14. f4 exf4 15. gxf4 Bxc4 16. dxc4 Nfxe4 17. Qd1 Qe6 18. Qe2 Qf6 19. Qe1 Qd4 20. Qd1 Qxc4 21. c3 Nd3 22. Qc2 Re7 23. Be3 Nf6 24. Bxb7 Rb8 25. b3 Nb4 26. Qc1 Qxb3 27. cxb4 Rxe3 28. Bf3 Nh5 29. Qxc7 Qxb4 30. Rab1 Qxf4+ 31. Kg1 Rxb1 32. Qd8+ Kh7 33. Rxb1 Qg3+ 34. Bg2 Bf6 0-1

[Event "Rio de Janeiro Inverno"]
[Site "Rio de Janeiro"]
[Date "2011.08.21"]
[Round "4.45"]
[White "Ramos, Angelo Bil"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "C87"]
[WhiteElo "2104"]
[BlackElo "1927"]
[PlyCount "63"]
[EventDate "2011.08.10"]
[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 Nf6 5. 0-0 Be7 6. Re1 d6 7. c3 0-0 8. h3 b5 9. Bc2 d5 10. d4 dxe4 11. Nxe5 Bb7 12. Nd2 Nxd4 13. cxd4 Qxd4 14. Ng4 Nxg4 15. Qxg4 f5 16. Qe2 Bh4 17. Nf1 f4 18. Rd1 Qxf2+ 19. Qxf2 Bxf2+ 20. Kxf2 e3+ 21. Kg1 e2 22. Re1 exf1Q+ 23. Rxf1 g5 24. Bd2 c5 25. Rae1 Rad8 26. Ba5 Rd7 27. Bb6 c4 28. Rd1 Re7 29. Rfe1 Rfe8 30. Rxe7 Rxe7 31. Kf2 Bxg2 32. Bd8 1-0

[Event "Rio de Janeiro Inverno"]
[Site "Rio de Janeiro"]
[Date "2011.08.20"]
[Round "2"]
[White "Vilalba, Guilherme Pereira"]
[Black "Diaz, Marcos"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1927"]
[BlackElo "1697"]
[PlyCount "101"]
[EventDate "2011.08.10"]
[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 d5 2. c4 e6 3. Nc3 c6 4. e3 Bd6 5. Nf3 Nd7 6. e4 Ne7 7. b3 0-0 8. g3 Ng6 9. Bg2 a6 10. 0-0 h6 11. Be3 Bc7 12. Qd2 Nf6 13. e5 Nh7 14. Qc2 f5 15. exf6 Qxf6 16. cxd5 exd5 17. Nxd5 cxd5 18. Qxc7 Bg4 19. Ne5 Nxe5 20. dxe5 Qe6 21. Qxb7 Qxe5 22. Qxd5+ Qxd5 23. Bxd5+ Kh8 24. Bxa8 Rxa8 25. Rfe1 Nf6 26. Bd4 Rf8 27. Re7 Kh7 28. Rc1 Kg6 29. Rcc7 Rg8 30. Kg2 Bf5 31. h4 Bd3 32. Bxf6 gxf6 33. Rc5 h5 34. Re6 Rd8 35. Rcc6 Rf8 36. Rcd6 Kf5 37. Kf3 Bf1 38. Rxa6 Bxa6 39. Rxa6 Rc8 40. Ra5+ Kg6 41. b4 Rc3+ 42. Kg2 f5 43. Ra6+ Kg7 44. b5 f4 45. b6 fxg3 46. fxg3 Rc4 47. a4 Rb4 48. Ra7+ Kf6 49. b7 Ke5 50. a5 Kd5 51. a6 1-0

[Event "Rio de Janeiro Inverno"]
[Site "Rio de Janeiro"]
[Date "2011.08.18"]
[Round "1"]
[White "Mascarenhas, Alberto Pinheiro"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2265"]
[BlackElo "1927"]
[PlyCount "53"]
[EventDate "2011.08.10"]
[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. Nc3 g6 3. e4 d6 4. Bg5 Bg7 5. Be2 Nbd7 6. f4 h6 7. Bh4 Nb6 8. Nf3 Ng4 9. Qd2 c5 10. h3 cxd4 11. Nxd4 Nf6 12. 0-0-0 Nfd7 13. Qe3 Qc7 14. Ndb5 Qb8 15. Nd5 Nxd5 16. exd5 Nf6 17. Rhe1 Bd7 18. Bg4 Qd8 19. Nxd6+ Kf8 20. Nxb7 Qe8 21. Nc5 Bxg4 22. hxg4 Rb8 23. d6 exd6 24. Qxe8+ Rxe8 25. Bxf6 Bxf6 26. Nd7+ Kg7 27. Rxe8 1-0

[Event "Rio de Janeiro-ch op"]
[Site "Rio de Janeiro"]
[Date "2011.07.17"]
[Round "5"]
[White "Deus Filho, Joaquim"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2073"]
[BlackElo "1927"]
[PlyCount "73"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. d3 Nf6 4. Be3 Be7 5. Nc3 0-0 6. a3 Nb8 7. g4 Nxg4 8. Qxg4 d5 9. Qg3 dxc4 10. 0-0-0 Nd7 11. dxc4 c6 12. Nf3 Bf6 13. Rhg1 g6 14. Bh6 Re8 15. h4 Qe7 16. h5 Bg7 17. Bxg7 Kxg7 18. hxg6 hxg6 19. Rh1 Nf6 20. Qh2 Nh5 21. Rdg1 Qf6 22. Ne1 Bd7 23. b3 Rad8 24. Qh4 Qxh4 25. Rxh4 Nf4 26. Rxf4 Rh8 27. Rf1 Rh7 28. Nf3 g5 29. Rd1 Be6 30. Nxe5 gxf4 31. Nd3 Kf8 32. c5 Bc4 33. Ne5 Be6 34. Rd3 Rh8 35. Ne2 Rh4 36. Kb2 Bc8 37. Nxc6 1-0

[Event "Rio de Janeiro-ch op"]
[Site "Rio de Janeiro"]
[Date "2011.07.17"]
[Round "6"]
[White "Vilalba, Guilherme Pereira"]
[Black "Reis, Virginia Lagrange M"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1927"]
[BlackElo "1834"]
[PlyCount "31"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 Nf6 4. 0-0 g6 5. d3 Bg7 6. e4 d6 7. Nbd2 0-0 8. a4 Bg4 9. h3 Be6 10. Nh4 Qc8 11. Kh2 Nh5 12. f4 Bd7 13. Nc4 Be6 14. Ne3 Bd7 15. c3 Rb8 16. Nd5 1/2-1/2

[Event "Rio de Janeiro-ch op"]
[Site "Rio de Janeiro"]
[Date "2011.07.16"]
[Round "3"]
[White "Murtinho, Rodrigo Gomes"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "E94"]
[BlackElo "1927"]
[PlyCount "56"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. 0-0 h6 9. Bd2 Nh5 10. Qc1 Kh7 11. Bd1 Nb6 12. Ne2 f5 13. exf5 Bxf5 14. Ng3 Nxg3 15. fxg3 Bd3 16. Rf2 e4 17. Ne1 Rxf2 18. Kxf2 Qf8+ 19. Bf3 Bd4+ 20. Be3 Bxe3+ 21. Qxe3 Nxc4 22. Qd4 Ne5 23. Nxd3 Nxd3+ 24. Ke3 exf3 25. Kxd3 fxg2 26. Qe4 Qf1+ 27. Qe2 Rf8 28. Kd2 Rf2 0-1

[Event "Rio de Janeiro-ch op"]
[Site "Rio de Janeiro"]
[Date "2011.07.16"]
[Round "4"]
[White "Vilalba, Guilherme Pereira"]
[Black "Rodrigues, Nei Jorge"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1927"]
[BlackElo "2053"]
[PlyCount "113"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. e4 e5 7. Nbd2 Nc6 8. h3 Ne7 9. Nc4 Be6 10. Qe2 a5 11. a4 Qd7 12. Kh2 Bxc4 13. dxc4 Qc6 14. c3 Qxe4 15. Qxe4 Nxe4 16. Nxe5 Nc5 17. Nf3 Nc6 18. Be3 Nd3 19. Rab1 Rfe8 20. Rfd1 Nde5 21. Nxe5 Bxe5 22. c5 Rab8 23. cxd6 Bxd6 24. Kg1 Bxg3 25. Bc5 Bf4 26. Rd7 Rbd8 27. Rbd1 Rxd7 28. Rxd7 Re1+ 29. Bf1 b6 30. Be3 Bd6 31. Bh6 Re8 32. Bg5 Nb8 33. Rd8 Rxd8 34. Bxd8 Nc6 35. Bf6 Be5 36. Bg2 Bxf6 37. Bxc6 Be5 38. Kg2 Kf8 39. Kf3 Ke7 40. Bd5 f6 41. Be4 Kd6 42. Ke3 f5 43. Bc2 c6 44. Bb3 b5 45. Bg8 Ke7 46. axb5 cxb5 47. Bd5 Kf6 48. Bc6 b4 49. cxb4 axb4 50. b3 Kg5 51. Kf3 Kh4 52. Kg2 Bd4 53. Bd5 h5 54. Bf7 g5 55. Be6 Bxf2 56. Bxf5 Be1 57. Be6 1/2-1/2

[Event "Rio de Janeiro-ch op"]
[Site "Rio de Janeiro"]
[Date "2011.07.15"]
[Round "1"]
[White "Motta, Vinicius Araujo Dia"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "C41"]
[BlackElo "1927"]
[PlyCount "60"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nd7 3. Nf3 e5 4. Be3 Ngf6 5. Nc3 g6 6. Bd3 Bg7 7. dxe5 dxe5 8. Qd2 0-0 9. 0-0-0 c6 10. Rdg1 b5 11. g4 h5 12. gxh5 Nxh5 13. Bh6 Qf6 14. Bxg7 Kxg7 15. Be2 Qf4 16. Qxf4 Nxf4 17. Bd1 Re8 18. Ne2 Nh3 19. Rg2 Nf6 20. Nd2 Nh5 21. f3 N5f4 22. Nxf4 Nxf4 23. Rgg1 Bh3 24. Rg3 Rh8 25. Rhg1 Rad8 26. Nb3 Bc8 27. Rh1 Rd6 28. h4 Rhd8 29. h5 Rxd1+ 30. Rxd1 Ne2+ 0-1

[Event "Rio de Janeiro-ch op"]
[Site "Rio de Janeiro"]
[Date "2011.07.15"]
[Round "2"]
[White "Vilalba, Guilherme Pereira"]
[Black "Ramos, Angelo Bil"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1927"]
[BlackElo "2104"]
[PlyCount "44"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nf6 3. Bg2 Nc6 4. 0-0 e5 5. e4 Be7 6. d3 0-0 7. Nbd2 d6 8. a4 Bg4 9. h3 Bh5 10. c3 Ne8 11. Qc2 Kh8 12. Nc4 Bg6 13. Ne3 Qd7 14. Nd5 Nc7 15. Nxe7 Nxe7 16. Nh4 Rad8 17. f4 f6 18. f5 Bf7 19. Qe2 d5 20. Be3 b6 21. Rfd1 Nc6 22. Bf2 Qe8 0-1

[Event "Rio de Janeiro Tijuca Tenis Club 2nd"]
[Site "Rio de Janeiro"]
[Date "2011.07.03"]
[Round "5.4"]
[White "Chaves, Jorge Antonio Torre"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "E85"]
[WhiteElo "2019"]
[BlackElo "1588"]
[PlyCount "55"]
[EventDate "2011.06.27"]
[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. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 e5 7. Nge2 0-0 8. Qd2 Re8 9. 0-0-0 Qe7 10. g4 h5 11. gxh5 Nxh5 12. Nd5 Qd8 13. Ng3 Nhf6 14. Bg5 c6 15. Nxf6+ Bxf6 16. h4 exd4 17. f4 Nc5 18. Bd3 Bg4 19. Rdf1 Bxg5 20. hxg5 Kg7 21. Rh4 Bd7 22. Bb1 Ne6 23. Nf5+ gxf5 24. exf5 f6 25. fxe6 Bxe6 26. Rh7+ Kf8 27. Qh2 Bg8 28. Qh6# 1-0

[Event "Rio de Janeiro Tijuca Tenis Club 2nd"]
[Site "Rio de Janeiro"]
[Date "2011.07.03"]
[Round "6.6"]
[White "Santos Filho, Tadeu Souza"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2098"]
[BlackElo "1588"]
[PlyCount "183"]
[EventDate "2011.06.27"]
[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. Nf3 d6 3. Bc4 g6 4. d3 h6 5. Nbd2 Bg7 6. Nf1 Nf6 7. Ng3 Nbd7 8. c3 0-0 9. b4 a5 10. b5 Qe8 11. a4 Nc5 12. Qc2 Nh7 13. d4 Ne6 14. dxe5 dxe5 15. Ba3 Nf4 16. 0-0 Bg4 17. Nd2 Qc8 18. Bxf8 Bxf8 19. Rfe1 Ng5 20. Nb3 Nf3+ 21. gxf3 Bxf3 22. Re3 Qh3 23. Bf1 Bg2 24. f3 Bxf1 25. Rxf1 Qe6 26. Ree1 Rd8 27. Rd1 Qb6+ 28. Kh1 Rxd1 29. Qxd1 Nh3 30. Qd2 Qe6 31. Qd5 Qb6 32. Ne2 Qe3 33. Qd2 Qb6 34. Kg2 Ng5 35. Nbc1 Qe6 36. Ng1 Bc5 37. h4 Nh7 38. Nce2 Kg7 39. Qd5 Qxd5 40. exd5 f5 41. Nh3 Nf6 42. Rd1 e4 43. Nef4 Bd6 44. fxe4 Nxe4 45. Rd3 Nc5 46. Ne6+ Kf7 47. Nxc5 Bxc5 48. Kf3 Kf6 49. Nf4 g5 50. hxg5+ hxg5 51. Ne6 Bd6 52. c4 b6 53. Rd1 g4+ 54. Kg2 f4 55. Nd4 f3+ 56. Nxf3 gxf3+ 57. Kxf3 Kf5 58. Re1 Bh2 59. Rh1 Bd6 60. Rh5+ Kf6 61. Kg4 Ke7 62. Kf5 Kd7 63. Rh7+ Kc8 64. Ke6 Kb7 65. Kd7 Bf4 66. Rg7 Be5 67. Rg6 Bf4 68. Rc6 Bg3 69. c5 bxc5 70. Rxc5 Bd6 71. Rc6 Bf4 72. Ra6 Bd2 73. d6 cxd6 74. Rxd6 Bf4 75. Rg6 Be3 76. Ra6 Bd2 77. Ke6 Be1 78. Kd5 Bd2 79. Kc4 Be1 80. Rf6 Bd2 81. b6 Ka6 82. Rd6 Bg5 83. Kc5 Bf4 84. Kc6 Be3 85. b7 Bf4 86. Rd8 Be3 87. Ra8+ Ba7 88. Rxa7+ Kxa7 89. Kc7 Ka6 90. Kc8 Ka7 91. b8Q+ Ka6 92. Qb7# 1-0

[Event "Rio de Janeiro Tijuca Tenis Club 2nd"]
[Site "Rio de Janeiro"]
[Date "2011.07.02"]
[Round "3.3"]
[White "Manzi, Luiz Antonio Bardao"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2147"]
[BlackElo "1588"]
[PlyCount "161"]
[EventDate "2011.06.27"]
[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. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. e4 Re8 9. Re1 h6 10. h3 Kh7 11. Kh2 Qe7 12. Be3 Qd8 13. a3 a5 14. Qc2 Nh5 15. d5 Nf8 16. g4 Nf6 17. Ne2 N8d7 18. Ng3 a4 19. Nd2 Nb8 20. Rac1 Bd7 21. f3 Na6 22. c5 dxc5 23. Bxc5 b6 24. Be3 Bb5 25. Bf1 Qd7 26. Nb1 Bxf1 27. Rxf1 Bf8 28. f4 exf4 29. Rxf4 Nxd5 30. Qd2 Qe6 31. exd5 Qxe3 32. Rxf7+ Kg8 33. Rcf1 Bd6 34. Qg2 Rf8 35. R7f3 Bxg3+ 36. Qxg3 Rxf3 37. Rxf3 Qe7 38. Nc3 Nc5 39. Re3 Qd7 40. Qe5 Rf8 41. Ne4 Nxe4 42. Rxe4 Qf7 43. Qe6 Kg7 44. Qxf7+ Rxf7 45. Kg3 Rd7 46. Rd4 c6 47. Kf4 Kf6 48. Rb4 b5 49. dxc6 Rc7 50. Rxb5 Rxc6 51. Rb4 g5+ 52. Kg3 Rc2 53. h4 gxh4+ 54. Kxh4 Kg7 55. Rb7+ Kg6 56. Rb6+ Kg7 57. Ra6 Rxb2 58. Rxa4 Rb1 59. Ra7+ Kg6 60. a4 h5 61. Ra6+ Kg7 62. Kxh5 Rh1+ 63. Kg5 Rc1 64. Ra7+ Kg8 65. a5 Rc5+ 66. Kh6 Rc6+ 67. Kh5 Rc5+ 68. g5 Rc1 69. a6 Rc2 70. Rb7 Ra2 71. a7 Kh8 72. Rb8+ Kg7 73. a8Q Rh2+ 74. Kg4 Rf2 75. Rb7+ Rf7 76. Rxf7+ Kxf7 77. Kf5 Ke7 78. Qc6 Kf7 79. Qd7+ Kf8 80. Kg6 Kg8 81. Qg7# 1-0

[Event "Rio de Janeiro Tijuca Tenis Club 2nd"]
[Site "Rio de Janeiro"]
[Date "2011.07.02"]
[Round "4.7"]
[White "Vilalba, Guilherme Pereira"]
[Black "Mangini, Jose Henrique de Me"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1588"]
[BlackElo "1616"]
[PlyCount "85"]
[EventDate "2011.06.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 Nc6 3. Bg2 e5 4. e4 Bg4 5. h3 Bxf3 6. Bxf3 Nf6 7. 0-0 Nd4 8. Bg2 h6 9. c3 Nc6 10. d3 Be7 11. Nd2 Qd7 12. Nf3 g5 13. h4 gxh4 14. Nxh4 h5 15. Nf5 0-0-0 16. Bh3 Kb8 17. Kg2 Ng4 18. f3 Nf6 19. Ng7 Ng4 20. fxg4 Bf8 21. gxh5 f5 22. Nxf5 d5 23. Bg5 Be7 24. Nxe7 Qe8 25. Nxc6+ bxc6 26. Bxd8 Qxd8 27. Qb3+ Ka8 28. Qd1 dxe4 29. dxe4 Qg5 30. Qg4 Qd2+ 31. Rf2 Qe3 32. Raf1 Qh6 33. Qe6 a6 34. Qxh6 Rxh6 35. Rf6 Rxh5 36. Rxc6 Kb7 37. Rcf6 c6 38. R6f5 Rh6 39. Rf6 Rh5 40. g4 Rh8 41. Rf8 Rh6 42. R1f6 Rh4 43. Kg3 1-0

[Event "Rio de Janeiro Tijuca Tenis Club 2nd"]
[Site "Rio de Janeiro"]
[Date "2011.07.01"]
[Round "2.5"]
[White "Vilalba, Guilherme Pereira"]
[Black "Pacheco, Roberto Francisco L"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1588"]
[BlackElo "1639"]
[PlyCount "57"]
[EventDate "2011.06.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 d5 5. d3 0-0 6. Nbd2 c6 7. e4 dxe4 8. dxe4 Bg4 9. h3 Bxf3 10. Qxf3 e5 11. Rd1 Qc7 12. Nb3 Nbd7 13. Qc3 Rad8 14. Be3 b6 15. Nd2 Rfe8 16. Nc4 Bf8 17. Bg5 Re6 18. Bxf6 Rxf6 19. Nxe5 Nxe5 20. Rxd8 Qxd8 21. Qxe5 Bc5 22. Rf1 Rxf2 23. Rxf2 Qd1+ 24. Bf1 Qxc2 25. Qe8+ Kg7 26. Qxf7+ Kh6 27. Qf8+ Kg5 28. Qf4+ Kh5 29. Qh4# 1-0

[Event "BRA-ch U12"]
[Site "Catanduva"]
[Date "2011.04.??"]
[Round "3.1"]
[White "Berti Neto, Paulo Vicente"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1675"]
[BlackElo "1945"]
[PlyCount "88"]
[EventDate "2011.04.15"]
[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. c4 Bg7 4. Nc3 0-0 5. Bf4 d6 6. h3 Nbd7 7. e3 Re8 8. Be2 h6 9. 0-0 Nh7 10. Bh2 e5 11. Qc2 Nhf6 12. b4 a5 13. a3 Qe7 14. Rfe1 exd4 15. exd4 axb4 16. Bd3 Qd8 17. axb4 Rxa1 18. Rxa1 Nb6 19. Nb5 Bf8 20. c5 Nbd5 21. Qc4 Be6 22. Ra7 Qb8 23. Ra1 Kg7 24. Ra3 Nh7 25. Nc3 Nf4 26. d5 Nxd5 27. Nxd5 Nf6 28. Be4 c6 29. Rd3 cxd5 30. Bxd5 Bxd5 31. Rxd5 Nxd5 32. Qxd5 Re6 33. g4 Qc7 34. Kf1 Qd7 35. Nd4 Rf6 36. Be5 Be7 37. Bxf6+ Bxf6 38. cxd6 h5 39. f3 hxg4 40. hxg4 Qa4 41. Ke2 Qxb4 42. d7 Qb2+ 43. Ke3 Qc3+ 44. Ke4 Qe1+ 0-1

[Event "BRA-ch U12"]
[Site "Catanduva"]
[Date "2011.04.??"]
[Round "1.1"]
[White "Galvao De Melo Barbosa, Eduardo"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "1945"]
[PlyCount "51"]
[EventDate "2011.04.15"]
[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. Bf4 Bg7 4. e3 0-0 5. Bd3 d6 6. Nbd2 Nbd7 7. Qe2 Qe8 8. 0-0-0 e5 9. dxe5 dxe5 10. Bg5 e4 11. Bxe4 Nxe4 12. Nxe4 Qxe4 13. h4 h6 14. Bf4 Qb4 15. c3 Qa5 16. Kb1 Nf6 17. Qc4 Be6 18. Bxc7 Bxc4 19. Bxa5 Ne4 20. Rd7 b6 21. Bb4 Rfd8 22. Rhd1 Rxd7 23. Rxd7 Nxf2 24. Nd2 Be6 25. Nf3 Bf5+ 26. Kc1 0-1

[Event "BRA-ch U12"]
[Site "Catanduva"]
[Date "2011.04.??"]
[Round "5.1"]
[White "Goncalves, Leonardo Yamamoto"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1820"]
[BlackElo "1945"]
[PlyCount "46"]
[EventDate "2011.04.15"]
[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. d3 Nf6 4. c3 g6 5. Be2 Bg7 6. Nbd2 0-0 7. 0-0 d6 8. a3 Nb8 9. b4 a5 10. Nb3 axb4 11. axb4 Rxa1 12. Nxa1 Be6 13. Nb3 Nbd7 14. Nbd2 Qa8 15. Qc2 Qa6 16. Bb2 b6 17. Ra1 Qb7 18. Qa4 Rb8 19. Qa6 b5 20. Qxb7 Rxb7 21. Ng5 Nb6 22. Nxe6 fxe6 23. Bd1 Bh6 1/2-1/2

[Event "BRA-ch U12"]
[Site "Catanduva"]
[Date "2011.04.??"]
[Round "2.1"]
[White "Vilalba, Guilherme Pereira"]
[Black "Braz, Gustavo Alves"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1945"]
[PlyCount "75"]
[EventDate "2011.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nc6 2. g3 d6 3. Bg2 Bd7 4. 0-0 Qc8 5. e4 Bh3 6. d3 Nf6 7. Nbd2 g6 8. c3 Bh6 9. Nc4 Bxc1 10. Qxc1 Qd7 11. Qh6 Nh5 12. Qc1 0-0-0 13. Bxh3 Qxh3 14. Ng5 Qd7 15. Nxf7 Rdf8 16. Nxh8 Rxh8 17. Kg2 Ne5 18. Nxe5 dxe5 19. Qe3 a6 20. Qa7 Qxd3 21. Qa8+ Kd7 22. Qxh8 Qxe4+ 23. Kg1 Nf6 24. Rad1+ Ke6 25. Rfe1 Qf5 26. Qc8+ Kf7 27. Qxf5 gxf5 28. Rxe5 e6 29. Rde1 Ng4 30. Rxe6 h5 31. Re7+ Kf8 32. R7e6 b6 33. h3 Nxf2 34. Kxf2 a5 35. Re8+ Kf7 36. R8e7+ Kf8 37. Rxc7 Kg8 38. Re8# 1-0

[Event "BRA-ch U12"]
[Site "Catanduva"]
[Date "2011.04.??"]
[Round "4.1"]
[White "Vilalba, Guilherme Pereira"]
[Black "Okada, William Kenji"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1945"]
[BlackElo "1791"]
[PlyCount "86"]
[EventDate "2011.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. d3 0-0 6. Nbd2 Nbd7 7. e4 Nb6 8. Qe2 Re8 9. h3 c6 10. a3 Qc7 11. Nb3 e5 12. Re1 Bd6 13. Bg5 Nfd7 14. Be3 h6 15. Rab1 Nf6 16. Bc1 Be6 17. Nbd2 a5 18. Ra1 Rad8 19. Rb1 Nfd7 20. Ra1 Nf8 21. Nb1 dxe4 22. dxe4 Bc5 23. Nbd2 Ng6 24. b3 Nd7 25. Bb2 b5 26. a4 Qb6 27. Rf1 f6 28. Bc3 b4 29. Bb2 Qa7 30. Rad1 Nb6 31. Ne1 Rd7 32. Nd3 Bf8 33. Qe3 Qc7 34. Nc5 Bxc5 35. Qxc5 Red8 36. Bc1 Nc8 37. Rde1 Nd6 38. Qe3 f5 39. Bb2 Nf7 40. Nf3 f4 41. Qc5 Kh7 42. gxf4 Nxf4 43. Re3 Ng5 1-0

[Event "BRA-ch U12"]
[Site "Catanduva"]
[Date "2011.04.??"]
[Round "6.1"]
[White "Vilalba, Guilherme Pereira"]
[Black "Oliveira, Tiago Lopes"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1945"]
[BlackElo "1738"]
[PlyCount "45"]
[EventDate "2011.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 4. 0-0 Nf6 5. d3 h6 6. Nbd2 e6 7. Qe1 Be7 8. e4 Bh7 9. Qe2 0-0 10. a3 a5 11. a4 Bb4 12. c3 Be7 13. Rd1 Nbd7 14. h3 Qc7 15. Rb1 Rab8 16. Re1 Nc5 17. Nd4 e5 18. N4b3 Nxb3 19. Nxb3 Rfd8 20. Nd2 b5 21. Rd1 Bd6 22. exd5 cxd5 23. Re1 0-1

[Event "BRA-ch U12"]
[Site "Catanduva"]
[Date "2011.04.??"]
[Round "7.2"]
[White "Vilalba, Guilherme Pereira"]
[Black "Sousa, Felipe Mazim De"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1945"]
[BlackElo "1754"]
[PlyCount "41"]
[EventDate "2011.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 e5 5. d3 Bg4 6. Nbd2 f6 7. h3 Bh5 8. e4 d4 9. a4 a6 10. Nc4 Nge7 11. a5 Nc8 12. Qd2 Be7 13. Nh4 Bg6 14. Qe2 Bd6 15. f4 exf4 16. Bxf4 Bxf4 17. Nxg6 Be3+ 18. Nxe3 hxg6 19. Nc4 0-0 20. Qg4 Qe8 21. b3 1/2-1/2

[Event "Rio de Janeiro IRT de Inverno"]
[Site "Rio de Janeiro"]
[Date "2010.06.13"]
[Round "6.4"]
[White "Vilalba, Guilherme Pereira"]
[Black "Siqueira, Allan de Sousa"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1964"]
[PlyCount "48"]
[EventDate "2010.06.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. d3 c5 6. Nbd2 0-0 7. e4 Nc6 8. h3 Qc7 9. Nh2 b5 10. f4 Bb7 11. e5 Nd7 12. Kh1 a5 13. c3 b4 14. Qc2 Ba6 15. Nhf3 f6 16. exf6 Bxf6 17. Re1 Rae8 18. Nb3 a4 19. Nbd2 Qa5 20. c4 a3 21. Nh2 Nd4 22. Qd1 Nf5 23. Rb1 Nxg3+ 24. Kg1 Bd4+ 0-1

[Event "Rio de Janeiro IRT de Inverno"]
[Site "Rio de Janeiro"]
[Date "2010.06.11"]
[Round "5.5"]
[White "Vilalba, Guilherme Pereira"]
[Black "Reis, Virginia Lagrange M"]
[Result "1-0"]
[ECO "A08"]
[BlackElo "1805"]
[PlyCount "107"]
[EventDate "2010.06.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 d5 3. Bg2 Nf6 4. 0-0 Nc6 5. d3 g6 6. Nbd2 Bf5 7. Qe1 Nb4 8. Qd1 Bg7 9. a3 Nc6 10. c4 d4 11. Nb3 Qb6 12. Bd2 a5 13. Bc1 a4 14. Nbd2 0-0 15. Nh4 Bg4 16. Ne4 Nxe4 17. Bxe4 Na5 18. Bf3 Bh3 19. Bg2 Bxg2 20. Kxg2 Nb3 21. Rb1 Qc6+ 22. Kg1 e5 23. Nf3 f5 24. Nd2 Nxc1 25. Qxc1 Bh6 26. Qc2 Bxd2 27. Qxd2 e4 28. Qf4 Rae8 29. b3 axb3 30. Rxb3 Re7 31. Rfb1 Rfe8 32. Rb6 Qc8 33. Qd6 exd3 34. exd3 f4 35. Kg2 f3+ 36. Kxf3 Qf5+ 37. Kg2 Qxd3 38. Qxc5 Kh8 39. Qd5 Qe4+ 40. Qxe4 Rxe4 41. Rxb7 Rd8 42. Rd1 d3 43. Rb3 d2 44. Rb2 Re1 45. Rdxd2 Rc8 46. Rdc2 Kg7 47. Rb7+ Kh6 48. c5 g5 49. c6 Ra1 50. Rc3 Ra2 51. c7 Re2 52. a4 g4 53. a5 Rf8 54. Rc6+ 1-0

[Event "Rio de Janeiro IRT de Inverno"]
[Site "Rio de Janeiro"]
[Date "2010.06.09"]
[Round "4.5"]
[White "Mascarenhas, Alberto Pinheiro"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2219"]
[PlyCount "52"]
[EventDate "2010.06.09"]
[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. Nc3 g6 3. e4 d6 4. f4 Bg7 5. Nf3 0-0 6. Be3 Re8 7. Qd2 a6 8. a4 e6 9. Be2 b6 10. e5 dxe5 11. fxe5 Nd5 12. Bg5 Qd7 13. Ne4 Rf8 14. Bf6 Bb7 15. 0-0 Qe8 16. c4 Ne7 17. Bxg7 Kxg7 18. Nf6 Qd8 19. Rad1 Nd7 20. Ng5 Nf5 21. Nfxh7 Rh8 22. g4 Nh6 23. Nf6 Rf8 24. Qf4 Nxf6 25. exf6+ Kg8 26. Ne4 Bxe4 1-0

[Event "Rio de Janeiro IRT de Inverno"]
[Site "Rio de Janeiro"]
[Date "2010.06.09"]
[Round "2.5"]
[White "Rabello, David Sousa"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1953"]
[PlyCount "74"]
[EventDate "2010.06.09"]
[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 a6 6. f3 e5 7. Nf5 Bxf5 8. exf5 Qb6 9. Nd5 Qa5+ 10. Nc3 d5 11. Bd2 Qc7 12. Bd3 Bc5 13. g4 h6 14. g5 hxg5 15. Bxg5 Bb4 16. Bd2 Nbd7 17. Qe2 0-0-0 18. 0-0-0 Qa5 19. Kb1 Kb8 20. Rhg1 Rh7 21. a3 Bd6 22. Ne4 Qc7 23. Ng5 e4 24. fxe4 Rxh2 25. Rg2 dxe4 26. Nxe4 Re8 27. Rxh2 Bxh2 28. Qg2 Be5 29. Bc3 Nxe4 30. Bxe5 Qxe5 31. Bxe4 Nc5 32. Bd5 Na4 33. c4 Qxf5+ 34. Ka1 Qe5 35. Bxf7 Qe2 36. Qxe2 Rxe2 37. b3 Nc3 0-1

[Event "Rio de Janeiro IRT de Inverno"]
[Site "Rio de Janeiro"]
[Date "2010.06.09"]
[Round "1.3"]
[White "Vilalba, Guilherme Pereira"]
[Black "De Carvalho, Jose Jorge"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "2221"]
[PlyCount "72"]
[EventDate "2010.06.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 c5 5. d3 g6 6. e4 Bg7 7. Nbd2 0-0 8. Nh4 e5 9. Nc4 d5 10. Nxe5 dxe4 11. dxe4 Nxe4 12. Nc4 f5 13. Qd3 Qe7 14. c3 Rd8 15. Qc2 Qf7 16. Nd2 Ng5 17. Ndf3 Nxf3+ 18. Nxf3 Be4 19. Qb3 Qxb3 20. axb3 Nc6 21. Ng5 Bxg2 22. Kxg2 Rd6 23. Re1 Na5 24. Ra3 h6 25. Ne6 Re8 26. Kf1 Rd5 27. b4 cxb4 28. cxb4 Nc6 29. Ra4 Bf6 30. f4 Re7 31. b5 Na5 32. Ra3 Nc4 33. Ra4 Nd6 34. Rb4 Ne4 35. Ng5 hxg5 36. fxg5 Nxg5 0-1

[Event "Rio de Janeiro IRT de Inverno"]
[Site "Rio de Janeiro"]
[Date "2010.06.09"]
[Round "3.4"]
[White "Vilalba, Guilherme Pereira"]
[Black "Ramos, Angelo Bil"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "2151"]
[PlyCount "164"]
[EventDate "2010.06.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. 0-0 Bg7 5. d3 0-0 6. Nbd2 Re8 7. e4 d4 8. a4 c5 9. Nc4 Nc6 10. h3 e5 11. Nh4 Be6 12. Qe2 Qd7 13. Kh2 Rad8 14. Rd1 Qe7 15. Nf3 Bxc4 16. dxc4 Qc7 17. Ne1 Nd7 18. Qg4 Nb6 19. b3 Nb4 20. Qe2 a5 21. Nd3 Nxd3 22. cxd3 Nd7 23. Ba3 b6 24. Rf1 Bh6 25. Rad1 Qd6 26. Qg4 Qe6 27. Qe2 Qf6 28. Qg4 Qe6 29. Qe2 Nf8 30. Bb2 Qf6 31. Qg4 Ne6 32. Ba3 Kh8 33. Bb2 Rf8 34. Ba3 Rde8 35. Bb2 Ng7 36. Bc1 Bxc1 37. Rxc1 Ne6 38. f4 Qd8 39. fxe5 Qg5 40. Qxg5 Nxg5 41. h4 Ne6 42. Rf6 Rb8 43. Rcf1 Kg7 44. Bh3 Nc7 45. Bd7 Na6 46. Bg4 Nb4 47. Be2 Rb7 48. Kg2 Re8 49. Kf2 Rxe5 50. Ke1 Re6 51. Rxe6 fxe6 52. Kd2 Rf7 53. Rxf7+ Kxf7 54. Bg4 Kf6 55. Bh3 Nc6 56. Ke2 h6 57. Bg2 Ke5 58. Bh3 Nb4 59. Kd2 Kf6 60. Bg2 g5 61. Bh3 gxh4 62. gxh4 Nc6 63. Ke2 Ne5 64. Bf1 Ng6 65. Kf3 Nxh4+ 66. Kg4 Ng6 67. Kh5 Kg7 68. Kg4 Ne5+ 69. Kf4 Kf6 70. Be2 Ng6+ 71. Kg4 e5 72. Bf1 Nf4 73. Kh4 Kg6 74. Kg4 h5+ 75. Kh4 Kh6 76. Kg3 Kg5 77. Kf2 Kg4 78. b4 axb4 79. a5 bxa5 80. Bh3+ Nxh3+ 81. Ke2 Nf4+ 82. Kd1 h4 0-1

[Event "Rio de Janeiro Maravilhosa op"]
[Site "Rio de Janeiro"]
[Date "2010.05.22"]
[Round "6"]
[White "Carvalho, Rafael Cunha de"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "1861"]
[PlyCount "94"]
[EventDate "2010.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. e4 Re8 9. Be3 h6 10. Qc2 Qe7 11. Rfe1 Rf8 12. Rad1 Nb6 13. b3 Bg4 14. h3 Bxf3 15. Bxf3 Nbd7 16. d5 Ne8 17. Qc1 Kh7 18. b4 f5 19. c5 fxe4 20. cxd6 Qxd6 21. Nxe4 Qxb4 22. Bg4 Nb6 23. Nc5 Nc4 24. Ne6 Rf7 25. Bc5 Qa4 26. Re4 b5 27. a3 Nf6 28. Ree1 Qa5 29. Nxg7 Kxg7 30. Be6 Nd7 31. Bb4 Qb6 32. Bxf7 Kxf7 33. Qxh6 Nf6 34. Qg5 Nb2 35. Rd2 Nc4 36. Rde2 Qd4 37. Rxe5 Nxe5 38. Rxe5 Re8 39. Rxe8 Kxe8 40. Qxg6+ Kd8 41. Qf5 Nxd5 42. Qg5+ Kc8 43. Qf5+ Kb7 44. Qd7 Qd1+ 45. Kh2 a6 46. Ba5 Qf3 47. Be1 Ne3 1/2-1/2

[Event "Rio de Janeiro Maravilhosa op"]
[Site "Rio de Janeiro"]
[Date "2010.05.15"]
[Round "5"]
[White "Vilalba, Guilherme Pereira"]
[Black "Rabello, David Sousa"]
[Result "1/2-1/2"]
[ECO "A05"]
[BlackElo "1952"]
[PlyCount "53"]
[EventDate "2010.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. d3 0-0 6. e4 c5 7. Nbd2 Nc6 8. c3 Bg4 9. h3 Bxf3 10. Nxf3 Nd7 11. Ne1 Nde5 12. f4 Nd7 13. g4 Qc7 14. Nf3 b5 15. Rb1 b4 16. Bd2 Rab8 17. Qc2 Qa5 18. Ra1 Qb6 19. Rab1 Na5 20. Qa4 Nf6 21. Be3 Qb5 22. Qd1 a6 23. g5 Nh5 24. Qc2 Rfc8 25. c4 Qd7 26. a3 b3 27. Qf2 1/2-1/2

[Event "Rio de Janeiro Maravilhosa op"]
[Site "Rio de Janeiro"]
[Date "2010.05.08"]
[Round "4"]
[White "Vilalba, Guilherme Pereira"]
[Black "Viana, Dirceu"]
[Result "0-1"]
[ECO "A08"]
[BlackElo "2261"]
[PlyCount "56"]
[EventDate "2010.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. d3 e6 6. Nbd2 Nge7 7. e4 d5 8. Re1 b6 9. exd5 exd5 10. c4 0-0 11. Qe2 h6 12. Nb3 Be6 13. Qc2 Nb4 14. Qe2 dxc4 15. dxc4 Qd3 16. Bf1 Qxe2 17. Rxe2 Rad8 18. Ne1 Nf5 19. Rd2 Nd6 20. a3 Nc6 21. Rc2 Bf5 22. Re2 Nxc4 23. Bg2 N4e5 24. Bf4 g5 25. Bxe5 Nxe5 26. f4 gxf4 27. gxf4 Nc4 28. Re7 Bxb2 0-1

[Event "Rio de Janeiro Maravilhosa op"]
[Site "Rio de Janeiro"]
[Date "2010.04.24"]
[Round "3"]
[White "Santos Filho, Tadeu Souza"]
[Black "Vilalba, Guilherme Pereira"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2088"]
[PlyCount "130"]
[EventDate "2010.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[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 h6 10. Bh4 Be7 11. e5 dxe5 12. Qxe5 Qb6 13. Nd4 0-0 14. Nf5 exf5 15. Qxe7 Rfe8 16. Qd6 Rad8 17. Qf4 Be4 18. Rxd8 Qxd8 19. Rd1 Qb6 20. Bxf6 Qxf6 21. Re1 g5 22. Qe3 Bc6 23. Qd2 Rd8 24. Qe2 Re8 25. Qf1 Rxe1+ 26. Qxe1 Bxg2 27. Qe3 a6 28. f4 gxf4 29. Qxf4 Qg5 30. Qd2 Bf3 31. b3 Kg7 32. Na4 Kg6 33. Nc5 Qg1+ 34. Kb2 Qxc5 35. Qf4 Be4 36. Qg3+ Kh7 37. c3 Qe7 38. h4 Qf6 39. Qf4 Qg6 40. c4 Qg4 41. Qc7 Qg1 42. a4 Qb1+ 43. Ka3 Qa1+ 44. Kb4 Qe1+ 45. Kc5 Qe3+ 46. Kb4 Qd2+ 47. Kc5 Kg6 48. Qb6+ Kg7 49. Qc7 Qf2+ 50. Kb4 Qxh4 51. Qe5+ Qf6 52. Qg3+ Kh7 53. Qf4 h5 54. a5 h4 55. Kc5 h3 56. b4 Qh6 57. Qh2 Qc6+ 58. Kd4 Bg2 59. Qg3 Qe4+ 60. Kc5 Qg4 61. Qe5 f4 62. b5 axb5 63. Qf6 Qc8+ 64. Kb4 Qxc4+ 65. Ka3 b4+ 0-1

[Event "Rio de Janeiro Trompowsky Memorial"]
[Site "Rio de Janeiro"]
[Date "2010.04.23"]
[Round "3"]
[White "Alvarenga de Carvalho, Miguel Angel"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "71"]
[EventDate "2010.04.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Kh1 Nc6 10. f4 exf4 11. Bxf4 Ne5 12. Nd4 Qb6 13. Qd2 Bd7 14. Nf5 Bxf5 15. exf5 Nfg4 16. Bxg4 Nxg4 17. Nd5 Qd8 18. Nxe7+ Qxe7 19. Qxd6 Qxd6 20. Bxd6 Rfd8 21. Bf4 Rac8 22. h3 Nf6 23. Rad1 h6 24. c3 Ne4 25. Kh2 Nc5 26. Bd6 Ne4 27. Be7 Rxd1 28. Rxd1 Rc7 29. Rd8+ Kh7 30. Bb4 Nf6 31. Bd6 Rc6 32. Be5 Ne4 33. Rd7 f6 34. Bd4 b5 35. Re7 Nd6 36. Re6 1-0

[Event "Rio de Janeiro Trompowsky Memorial"]
[Site "Rio de Janeiro"]
[Date "2010.04.23"]
[Round "6"]
[White "Bezerra, Natacio Goncalves"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "127"]
[EventDate "2010.04.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 Nf6 5. d3 e6 6. f4 Be7 7. Nf3 d5 8. e5 Nd7 9. Ne2 Nb6 10. c3 c4 11. d4 Bd7 12. 0-0 Qc7 13. a4 Na5 14. g4 Nb3 15. a5 Nxa1 16. axb6 axb6 17. Ng3 Nb3 18. Qe2 Ra1 19. Be3 Rxf1+ 20. Bxf1 f5 21. gxf5 exf5 22. Bf2 Be6 23. Nh5 Kd7 24. Kh1 Rg8 25. Bh3 Nc1 26. Qd2 Nb3 27. Qe2 Qd8 28. Nd2 Nc1 29. Qd1 Nd3 30. Bg1 Nxb2 31. Qb1 Nd3 32. Qb5+ Kc7 33. Bg2 Bf7 34. Nxc4 dxc4 35. d5 Nc5 36. d6+ Bxd6 37. exd6+ Qxd6 38. Bd4 Re8 39. Ng3 Re1+ 40. Nf1 Qxf4 41. Bxc5 Rxf1+ 42. Bg1 Qd2 43. Qxb6+ Kd7 44. Qxb7+ Ke8 45. Bc6+ Kd8 46. Qxf7 Qd6 47. Qxc4 Rf4 48. Bb6+ Ke7 49. Bd4 Rh4 50. Qe2+ Qe6 51. Qxe6+ Kxe6 52. Bxg7 Rg4 53. Bd4 f4 54. Bb7 Kd7 55. Bf3 Rg5 56. c4 Kc7 57. c5 Kd7 58. h4 Rg3 59. c6+ Kd6 60. Be4 Rh3+ 61. Kg2 Rxh4 62. Kf3 h5 63. Bc5+ Kc7 64. Be7 1/2-1/2

[Event "Rio de Janeiro Trompowsky Memorial"]
[Site "Rio de Janeiro"]
[Date "2010.04.23"]
[Round "1"]
[White "Poiani, Fernando Celso"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "1829"]
[PlyCount "70"]
[EventDate "2010.04.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. h3 Bg7 5. g3 0-0 6. Bg2 e5 7. Nge2 Nbd7 8. 0-0 a5 9. d3 c6 10. a3 Nc5 11. Be3 Be6 12. f4 exf4 13. Nxf4 Ne8 14. Nxe6 Nxe6 15. Rb1 c5 16. Nd5 N8c7 17. Kh2 Nxd5 18. exd5 Nd4 19. Bxd4 Bxd4 20. b4 b6 21. bxc5 bxc5 22. Rb7 Rb8 23. Qb1 Rxb7 24. Qxb7 Be5 25. Rf3 Qb8 26. Rxf7 Qd8 27. Qe7 Bf6 28. Rxf8+ Qxf8 29. Qxf8+ Kxf8 30. a4 Bd4 31. Bf3 Kf7 32. Bd1 h6 33. Bb3 Kf6 34. Kg2 Bc3 35. Kf3 Be1 1/2-1/2

[Event "Rio de Janeiro Trompowsky Memorial"]
[Site "Rio de Janeiro"]
[Date "2010.04.23"]
[Round "4"]
[White "Vilalba, Guilherme Pereira"]
[Black "De Azevedo, Vinicius Calegario"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "120"]
[EventDate "2010.04.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 e6 5. d3 Be7 6. Nbd2 0-0 7. e4 dxe4 8. dxe4 Nc6 9. c3 Qc7 10. Qe2 b6 11. a4 Bb7 12. Ne1 Rfd8 13. f4 Na5 14. Nef3 c4 15. Kh1 a6 16. Nd4 Rab8 17. Bh3 Bc5 18. N4f3 b5 19. Ng5 h6 20. Ngf3 Rd3 21. e5 Ne8 22. Bg2 Rbd8 23. Re1 Qb6 24. axb5 axb5 25. Nf1 Nb3 26. Rb1 Bf2 27. Be3 Bxe3 28. Nxe3 Nd2 29. Rbd1 Bxf3 30. Bxf3 Nxf3 31. Qxf3 Rxe3 32. Rxe3 Rxd1+ 33. Qxd1 Qxe3 34. Qd7 Qf3+ 35. Kg1 Qa8 36. Qxb5 Qc8 37. Kf2 g6 38. g4 Ng7 39. Ke3 h5 40. h3 hxg4 41. hxg4 Qc7 42. Ke2 Qc8 43. Ke3 Qc7 44. Qa6 Qc5+ 45. Ke2 Qd5 46. Kf2 Qd2+ 47. Kg3 Qe3+ 48. Kh4 Qxf4 49. Qa8+ Kh7 50. Kh3 Qe3+ 51. Kh2 Qxe5+ 52. Kg1 Qg3+ 53. Qg2 Qxg2+ 54. Kxg2 e5 55. g5 Ne6 56. Kf3 Nxg5+ 57. Ke3 f5 58. b3 f4+ 59. Kd2 cxb3 60. c4 Ne4+ 0-1

[Event "Rio de Janeiro Trompowsky Memorial"]
[Site "Rio de Janeiro"]
[Date "2010.04.23"]
[Round "5"]
[White "Vilalba, Guilherme Pereira"]
[Black "Gomes, Americo Santos"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "51"]
[EventDate "2010.04.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b5 3. Bg2 Bb7 4. 0-0 e6 5. d3 Nf6 6. e4 d6 7. Nbd2 Nbd7 8. Re1 Qc7 9. Nf1 Be7 10. Bf4 e5 11. Bd2 a5 12. Ne3 g6 13. c3 Nb6 14. Qc2 c4 15. Nh4 g5 16. Nhf5 h6 17. dxc4 bxc4 18. Rad1 Bc6 19. Bc1 h5 20. Nxe7 Qxe7 21. Nf5 Qb7 22. Nxd6+ Ke7 23. Nxb7 Bxb7 24. Bxg5 Rag8 25. Bxf6+ Kxf6 26. Rd6+ 1-0

[Event "Rio de Janeiro Trompowsky Memorial"]
[Site "Rio de Janeiro"]
[Date "2010.04.23"]
[Round "2"]
[White "Vilalba, Guilherme Pereira"]
[Black "Oliveira, Israel Flavio Felic"]
[Result "1/2-1/2"]
[ECO "A08"]
[PlyCount "74"]
[EventDate "2010.04.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 d5 3. Bg2 e6 4. 0-0 Nc6 5. d3 Nf6 6. Nbd2 Bd6 7. e4 d4 8. Re1 e5 9. Rf1 0-0 10. Nb3 h6 11. Ne1 Be6 12. f4 exf4 13. gxf4 Be7 14. f5 Bxb3 15. axb3 Bd6 16. Kh1 Qc7 17. h3 Ne5 18. Rg1 Nc6 19. Bf1 Bf4 20. Nf3 Bxc1 21. Qxc1 Kh7 22. Qe1 Qf4 23. Qf2 Kh8 24. Be2 Ne5 25. Qg2 Rg8 26. Nxe5 Qxe5 27. Qf2 Nh7 28. Bh5 Ng5 29. Bg4 g6 30. h4 Nh7 31. Qd2 gxf5 32. Bxf5 Qf6 33. Qf4 a6 34. e5 Qc6+ 35. Be4 Qd7 36. Kh2 Qe7 37. Kh1 Qe6 1/2-1/2

[Event "Rio de Janeiro Maravilhosa op"]
[Site "Rio de Janeiro"]
[Date "2010.04.17"]
[Round "2"]
[White "Vilalba, Guilherme Pereira"]
[Black "Siqueira, Allan de Sousa"]
[Result "1-0"]
[ECO "A07"]
[BlackElo "1964"]
[PlyCount "69"]
[EventDate "2010.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bf5 5. d3 e6 6. Nbd2 Bd6 7. Re1 e5 8. e4 dxe4 9. dxe4 Bg4 10. Nc4 Ke7 11. Ncxe5 Bxe5 12. Qxd8+ Rxd8 13. Nxe5 Be6 14. Be3 Nbd7 15. Nd3 Kf8 16. a3 b6 17. Bf4 Rac8 18. Bd6+ Kg8 19. Rad1 Re8 20. b3 Kh8 21. h3 Ng8 22. f4 f6 23. Kh2 c5 24. e5 c4 25. Nb4 cxb3 26. cxb3 Bxb3 27. Rc1 Rxc1 28. Rxc1 fxe5 29. Bc6 Rc8 30. fxe5 a5 31. Nd3 Nb8 32. Bb5 Rd8 33. Rc7 Bd5 34. Nf4 Nf6 35. exf6 1-0

[Event "Rio de Janeiro Maravilhosa op"]
[Site "Rio de Janeiro"]
[Date "2010.04.10"]
[Round "1"]
[White "Rangel, Daniel"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2056"]
[PlyCount "47"]
[EventDate "2010.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 Nbd7 6. Be2 e5 7. 0-0 0-0 8. dxe5 dxe5 9. Be3 c6 10. h3 Qc7 11. b4 Rd8 12. Qc2 Bf8 13. a3 a5 14. c5 b6 15. cxb6 Nxb6 16. Nxe5 axb4 17. axb4 Rxa1 18. Rxa1 Bxb4 19. Nxf7 Bxc3 20. Nh6+ Kg7 21. Qxc3 Be6 22. Ng4 Nbd7 23. Ra7 Qd6 24. Rxd7+ 1-0

[Event "Rio de Janeiro Brazil op"]
[Site "Rio de Janeiro"]
[Date "2010.02.22"]
[Round "6"]
[White "Vilalba, Guilherme Pereira"]
[Black "Machado, Wallace Fernandes"]
[Result "1-0"]
[ECO "A04"]
[BlackElo "1903"]
[PlyCount "43"]
[EventDate "2010.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 c5 4. 0-0 Nc6 5. d3 g6 6. e4 Qc7 7. Nbd2 Bg7 8. Nc4 b5 9. Bf4 e5 10. Ncxe5 Nxe5 11. Nxe5 d6 12. Nf3 0-0 13. e5 Ne8 14. exd6 Nxd6 15. Nd2 Rb8 16. Ne4 Rb6 17. Nxd6 Rxd6 18. Bxd6 Qxd6 19. Rb1 f5 20. Qf3 Rd8 21. Rfe1 g5 22. Qh5 1-0

[Event "Rio de Janeiro Brazil op"]
[Site "Rio de Janeiro"]
[Date "2010.02.21"]
[Round "4"]
[White "Abou Hbed, Jurandir Vicente"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "E68"]
[PlyCount "32"]
[EventDate "2010.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 e5 7. d4 Nbd7 8. dxe5 dxe5 9. e4 c6 10. b3 Qc7 11. Ba3 Rd8 12. Be7 Re8 13. Bxf6 Nxf6 14. Qc2 Bg4 15. Rad1 Bxf3 16. Bxf3 Rad8 1/2-1/2

[Event "Rio de Janeiro Brazil op"]
[Site "Rio de Janeiro"]
[Date "2010.02.21"]
[Round "5"]
[White "Vilalba, Guilherme Pereira"]
[Black "Juliani, Sidney"]
[Result "0-1"]
[ECO "A04"]
[BlackElo "1830"]
[PlyCount "38"]
[EventDate "2010.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 Nc6 3. Bg2 e5 4. d3 Bc5 5. 0-0 0-0 6. e4 d6 7. Nbd2 Ne8 8. Nb3 Bb6 9. Be3 f5 10. Bxb6 axb6 11. exf5 Bxf5 12. Nh4 Be6 13. a3 Rb8 14. Nf3 Bg4 15. h3 Bh5 16. g4 Bg6 17. Re1 Ne7 18. Ng5 Qd7 19. Bd5+ Nxd5 0-1

[Event "Rio de Janeiro Brazil op"]
[Site "Rio de Janeiro"]
[Date "2010.02.20"]
[Round "2"]
[White "Vilalba, Guilherme Pereira"]
[Black "Reis, Ernesto Guevara"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "1914"]
[PlyCount "50"]
[EventDate "2010.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 c5 6. e4 d6 7. Nbd2 Nc6 8. a4 Ne8 9. Nc4 f5 10. Bf4 h6 11. h4 e5 12. Bd2 Nf6 13. Re1 Be6 14. Na3 Kh7 15. Nb5 fxe4 16. dxe4 a6 17. Nc3 Bg4 18. Qc1 Nxe4 19. Rxe4 Bxf3 20. Bxf3 Rxf3 21. Nd5 Qf8 22. Be3 Qf5 23. Rc4 Rf8 24. Qd2 Nd4 25. a5 Rxg3+ 0-1

[Event "Rio de Janeiro Brazil op"]
[Site "Rio de Janeiro"]
[Date "2010.02.20"]
[Round "3"]
[White "Yunes, David Teles"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "C06"]
[PlyCount "62"]
[EventDate "2010.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Qb6 7. Ne2 Nc6 8. Nf3 Be7 9. 0-0 a6 10. Re1 h6 11. Rb1 Ndb8 12. Be3 Nd7 13. b3 Qc7 14. Rc1 Qd8 15. Nf4 cxd4 16. cxd4 Bb4 17. Rf1 Qb6 18. Nh5 g6 19. Nf4 Nf8 20. Qe2 Bd7 21. Bb1 Ba3 22. Rcd1 Bb4 23. Nd3 Rc8 24. Nxb4 Nxb4 25. Ne1 Bb5 26. Nd3 Nd7 27. a3 Nxd3 28. Bxd3 Bxd3 29. Qxd3 Kf8 30. f4 Kg7 31. Rc1 Qb5 1/2-1/2

[Event "Rio de Janeiro Brazil op"]
[Site "Rio de Janeiro"]
[Date "2010.02.19"]
[Round "1"]
[White "Chaves, Jorge Antonio Torre"]
[Black "Vilalba, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2018"]
[PlyCount "131"]
[EventDate "2010.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. e3 0-0 5. h3 Re8 6. Nbd2 d6 7. Bc4 Nbd7 8. c3 h6 9. Bh4 e5 10. Qb3 Rf8 11. 0-0-0 e4 12. Nxe4 g5 13. Nxf6+ Nxf6 14. Bg3 Ne4 15. Nd2 Qe7 16. Nxe4 Qxe4 17. Rhg1 Be6 18. d5 Bc8 19. Bd3 Qe7 20. Rge1 f5 21. f4 Re8 22. e4 gxf4 23. Bxf4 Qh4 24. g3 Qxh3 25. exf5 Bxf5 26. Bxf5 Qxf5 27. Rxe8+ Rxe8 28. Qxb7 Kh7 29. Qb5 Qf7 30. Qd3+ Kg8 31. Rh1 Qf6 32. Qd2 Kh7 33. Be3 a6 34. Qd3+ Kg8 35. Bd4 Qg5+ 36. Kc2 Qxd5 37. Rd1 Qe4 38. Qxe4 Rxe4 39. Bxg7 Kxg7 40. Rd3 Re2+ 41. Rd2 Re8 42. Rg2 Re4 43. Kd3 Rg4 44. Ke3 Kf6 45. Kf3 Rg5 46. Rd2 Rb5 47. b3 Rf5+ 48. Kg2 Kg5 49. Rd4 Ra5 50. a4 Rc5 51. c4 Re5 52. Kf3 a5 53. Rg4+ Kf6 54. Rg8 Kf7 55. Rc8 Rc5 56. Rd8 Kg6 57. Rd7 Kf5 58. Rd8 Rc6 59. Re8 Rc5 60. g4+ Kg6 61. Rg8+ Kf7 62. Rd8 Kf6 63. Rb8 Kg6 64. Rd8 Kf7 65. Rd7+ Kf6 66. Rh7 1/2-1/2

