[Event "Porto Alegre Oncolinos op"]
[Site "Porto Alegre"]
[Date "2013.11.17"]
[Round "6"]
[White "Perondi, Rodolfo Antonio"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1852"]
[BlackElo "1773"]
[PlyCount "61"]
[EventDate "2013.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Bd3 Na6 8. 0-0 Nc7 9. h3 0-0 10. c4 Re8 11. Qc2 g6 12. Bd2 Be6 13. Rfe1 Rc8 14. Re4 Bf5 15. Rxe8+ Nxe8 16. Bxf5 gxf5 17. Qxf5 Ng7 18. Qg4 f5 19. Qg5 Qxg5 20. Bxg5 Ne6 21. Bf6 Kf8 22. Nh4 f4 23. Nf5 Bb8 24. Re1 Re8 25. d5 cxd5 26. cxd5 Nc7 27. Be7+ Kg8 28. d6 Ne6 29. d7 Rxe7 30. Nxe7+ Kf8 31. Rxe6 1-0

[Event "Porto Alegre Oncolinos op"]
[Site "Porto Alegre"]
[Date "2013.11.17"]
[Round "7"]
[White "Teixeira, Guilherme Vargas"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1631"]
[BlackElo "1773"]
[PlyCount "63"]
[EventDate "2013.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 Nc5 6. Qc2 a5 7. b3 Be7 8. f3 0-0 9. Be3 Nfd7 10. Nh3 Bh4+ 11. g3 Be7 12. Bg2 c6 13. 0-0 Rb8 14. Rad1 h6 15. Qd2 Kh7 16. Rf2 Qc7 17. Bf1 f5 18. exf5 Rxf5 19. Kg2 Rf8 20. Be2 Nf6 21. Bxc5 Bxh3+ 22. Kxh3 dxc5 23. d6 Qd7+ 24. Kg2 Bd8 25. Bd3+ g6 26. Bc2 Nh5 27. Ne4 b6 28. Qd3 Rg8 29. Re1 Rb7 30. Rfe2 Qf7 31. Nf2 Bf6 32. Ne4 1-0

[Event "Porto Alegre Oncolinos op"]
[Site "Porto Alegre"]
[Date "2013.11.16"]
[Round "4"]
[White "Bueno, Jair Cardona"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1/2-1/2"]
[ECO "E67"]
[WhiteElo "1918"]
[BlackElo "1773"]
[PlyCount "104"]
[EventDate "2013.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 d6 6. Nc3 c6 7. 0-0 Nbd7 8. Re1 Re8 9. Rb1 a5 10. b3 Qc7 11. Bb2 e5 12. e3 Nf8 13. d5 Bg4 14. h3 Bxf3 15. Bxf3 Red8 16. e4 N8d7 17. dxc6 bxc6 18. Qe2 Nc5 19. Bc1 Nfd7 20. Bg5 Bf6 21. Be3 Ne6 22. Bg4 Nd4 23. Qd1 Nc5 24. Kg2 Nce6 25. Bxe6 fxe6 26. Ne2 c5 27. Nc3 Rab8 28. Qd2 Rf8 29. f4 Bg7 30. Rf1 Qb7 31. fxe5 Bxe5 32. Bf4 Qb4 33. Bxe5 dxe5 34. Qd3 Qb7 35. Rxf8+ Rxf8 36. Rf1 Rxf1 37. Kxf1 Qf7+ 38. Kg2 Qb7 39. Na4 Qc6 40. Nb2 Kg7 41. Nd1 h5 42. Nc3 Qb7 43. Qe3 Qe7 44. h4 Nc2 45. Qg5 Qd6 46. Nb5 Qd1 47. Qxe5+ Kh6 48. Qf4+ Kg7 49. e5 Ne1+ 50. Kh3 Qe2 51. Qf6+ Kh7 52. Qf7+ Kh6 1/2-1/2

[Event "Porto Alegre Oncolinos op"]
[Site "Porto Alegre"]
[Date "2013.11.16"]
[Round "5"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Jorge, L."]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1773"]
[BlackElo "1898"]
[PlyCount "144"]
[EventDate "2013.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c3 Nbd7 7. Bf4 c6 8. Re1 Qb6 9. Qc2 e5 10. dxe5 Ng4 11. e4 dxe5 12. Be3 Nxe3 13. Rxe3 Nc5 14. Nbd2 f5 15. Nc4 Qc7 16. exf5 Bxf5 17. Qe2 Bh6 18. Rxe5 Bd3 19. Qe1 Nd7 20. Re4 Bxe4 21. Qxe4 Rae8 22. Qh4 Bg7 23. Rd1 Nf6 24. Ng5 h6 25. Nf3 Re4 26. Qh3 Rxc4 27. Qe6+ Qf7 28. Qxf7+ Rxf7 29. Ne5 Rc5 30. Nxf7 Kxf7 31. f4 Nd5 32. Kf2 b5 33. Bf1 Nb6 34. Rd2 Rd5 35. Rc2 Rd6 36. b3 Nd7 37. Be2 Nc5 38. Ke3 Re6+ 39. Kf3 Ke7 40. c4 b4 41. g4 Bc3 42. f5 gxf5 43. gxf5 Re5 44. Kg4 Kf6 45. Bf3 Rxf5 46. Bxc6 Rg5+ 47. Kf3 Ne6 48. Rf2 Rf5+ 49. Kg3 Rxf2 50. Kxf2 Ke5 51. Ke3 Bd4+ 52. Kd3 Bg1 53. h4 Bf2 54. c5 Bxc5 55. Kc4 Kd6 56. Be4 Nc7 57. h5 a5 58. Bg6 Bb6 59. Bh7 Ne6 60. Kb5 Kc7 61. Kc4 Kb7 62. Kb5 Ka7 63. Kc4 Bc7 64. Kb5 Nf4 65. Bg6 Nxg6 66. hxg6 Be5 67. Kc4 Kb6 68. Kd5 Bc3 69. Ke6 Kc5 70. Kf5 Kd6 71. g7 Bxg7 72. Kg6 Ke5 0-1

[Event "Porto Alegre Oncolinos op"]
[Site "Porto Alegre"]
[Date "2013.11.15"]
[Round "3"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Nissen, Tchandra"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1773"]
[BlackElo "1762"]
[PlyCount "57"]
[EventDate "2013.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 e6 4. e3 Be7 5. Nbd2 0-0 6. c4 c6 7. Bd3 Bd6 8. Ne5 Nbd7 9. Ndf3 b6 10. Nxc6 Qc7 11. Nfe5 Bb7 12. cxd5 Nxd5 13. Rc1 Bxc6 14. Nxc6 Kh8 15. Ne5 Qb8 16. Nxd7 Qd8 17. Bxd6 Re8 18. Ne5 Qxd6 19. Nxf7+ Kg8 20. Nxd6 Red8 21. Nb5 Rf8 22. Nc7 Nxc7 23. Rxc7 Rf7 24. Rxf7 Kxf7 25. Qf3+ Kg8 26. Qxa8+ Kf7 27. Ke2 a5 28. Rc1 Kf6 29. h4 1-0

[Event "Porto Alegre Oncolinos op"]
[Site "Porto Alegre"]
[Date "2013.11.15"]
[Round "2"]
[White "De Oliveira, Fernando Marques"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1800"]
[BlackElo "1773"]
[PlyCount "111"]
[EventDate "2013.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nc6 5. Nc3 Nf6 6. Bg5 e6 7. Nf3 Bb4 8. c5 Qa5 9. Qc2 Ne4 10. Bd2 Nxd2 11. Qxd2 0-0 12. a3 Bd7 13. Bd3 Rfe8 14. 0-0 Bxc3 15. bxc3 e5 16. dxe5 Nxe5 17. Nxe5 Rxe5 18. Qf4 Rae8 19. c4 Bc6 20. cxd5 Bxd5 21. Rfc1 g6 22. h4 Qc7 23. g3 Qc6 24. Bf1 Kg7 25. Qd4 f6 26. a4 Qe6 27. c6 Bxc6 28. Qxa7 Qd5 29. Rxc6 Qxc6 30. Bg2 Qa6 31. Qd4 Re1+ 32. Rxe1 Rxe1+ 33. Kh2 Re7 34. Qd8 Qe2 35. Qb6 Qe6 36. Qd8 Qd7 37. Qb6 Qe6 38. Qd8 Qd7 39. Qa5 b6 40. Qxb6 Qxa4 41. Qc5 Qa7 42. Qc2 Qd4 43. Bf3 Rd7 44. Kg2 f5 45. Qc6 h5 46. Qe6 Qd6 47. Qe8 Re7 48. Qa8 Rd7 49. Bc6 Re7 50. Bd5 Kf6 51. f4 Re2+ 52. Kf3 Re8 53. Qxe8 Qxd5+ 54. Ke3 Qb3+ 55. Kf2 Qc2+ 56. Ke3 1/2-1/2

[Event "Porto Alegre Oncolinos op"]
[Site "Porto Alegre"]
[Date "2013.11.14"]
[Round "1"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Bueno, Alfeu Varela Jr"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1773"]
[BlackElo "2284"]
[PlyCount "46"]
[EventDate "2013.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 e6 2. d4 f5 3. Bf4 b6 4. Nbd2 Bb7 5. e3 Nf6 6. Bd3 Be7 7. c3 0-0 8. 0-0 Ne4 9. h3 d6 10. Qc2 Nxd2 11. Nxd2 Qe8 12. Be2 g5 13. Bh2 Nd7 14. Bf3 Bxf3 15. Nxf3 g4 16. hxg4 fxg4 17. Nd2 Nf6 18. Ne4 Qh5 19. Ng3 Qg5 20. Ne4 Qh4 21. Ng3 Kh8 22. Rae1 Rg8 23. Ne4 g3 0-1

[Event "Sao Sebastiao op"]
[Site "Sao Sebastiao do Paraiso"]
[Date "2013.10.06"]
[Round "6"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Polo, Tiago Dias"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1789"]
[BlackElo "1713"]
[PlyCount "110"]
[EventDate "2013.10.04"]
[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. d4 e6 3. Bf4 d5 4. e3 Be7 5. Bd3 b6 6. 0-0 Bb7 7. Nbd2 0-0 8. c4 Nbd7 9. Rc1 Rc8 10. Qc2 c5 11. cxd5 exd5 12. Qa4 a6 13. a3 b5 14. Qd1 c4 15. Bf5 Ra8 16. Ne5 Nxe5 17. Bxe5 Bc8 18. Bb1 Bd6 19. Bxf6 Qxf6 20. Qh5 Qh6 21. Qxh6 gxh6 22. Nf3 f5 23. g3 Kg7 24. Nh4 Kf6 25. f4 Ra7 26. Nf3 h5 27. Bc2 h6 28. Nh4 a5 29. Bd1 Be6 30. Bxh5 b4 31. Ng6 Rb8 32. Ne5 Rc8 33. a4 Rac7 34. Kf2 c3 35. bxc3 Rxc3 36. Rxc3 Rxc3 37. Rb1 Bxe5 38. dxe5+ Ke7 39. Bf3 Rc2+ 40. Kg1 Rc3 41. Re1 b3 42. Rb1 Rxe3 43. Kf2 Rc3 44. Be2 d4 45. Ke1 Bd5 46. Rb2 Be4 47. Bd1 Bc2 48. Bh5 Rc4 49. Kd2 Rxa4 50. Bd1 Ra2 51. Rxc2 bxc2 52. Bxc2 a4 53. Kd3 a3 54. Bb3 Rxh2 55. Kxd4 a2 0-1

[Event "Sao Sebastiao op"]
[Site "Sao Sebastiao do Paraiso"]
[Date "2013.10.06"]
[Round "5"]
[White "Paulino, Pedro Xavier"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "1824"]
[BlackElo "1789"]
[PlyCount "111"]
[EventDate "2013.10.04"]
[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 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 Be7 6. Be3 0-0 7. Be2 Re8 8. h3 Nf8 9. Nf3 Ng6 10. 0-0 Bd7 11. b4 b6 12. Nd2 a5 13. a3 Qc8 14. Kh2 h6 15. Nb3 Bf8 16. bxa5 bxa5 17. a4 Nf4 18. Bxf4 exf4 19. Bd3 Re5 20. Ne2 f3 21. gxf3 Bxh3 22. Rg1 Rh5 23. Rg3 Rh4 24. Kg1 Nh5 25. Qd2 Nxg3 26. fxg3 Rh5 27. Nxa5 Bd7 28. Nd4 Qe8 29. Nac6 Bxc6 30. Nxc6 Qd7 31. g4 Rg5 32. a5 Be7 33. Be2 Bf6 34. Rb1 h5 35. f4 Rxg4+ 36. Bxg4 Qxg4+ 37. Kf1 Qf3+ 38. Kg1 Qxe4 39. Rb4 Qf3 40. Qf2 Qg4+ 41. Kf1 Bh4 42. Qe3 Qd1+ 43. Kg2 Be1 44. Rb3 Bd2 45. Qf3 Qc2 46. Qd3 Qd1 47. Qf3 Qe1 48. Qxh5 Qe8 49. Rh3 Qe4+ 50. Qf3 Qe1 51. Qd3 g6 52. Qd4 Qe2+ 53. Qf2 Qxf2+ 54. Kxf2 Bxf4 55. Ke2 Re8+ 56. Kd3 1/2-1/2

[Event "Sao Sebastiao op"]
[Site "Sao Sebastiao do Paraiso"]
[Date "2013.10.05"]
[Round "4"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Vilas Boas, Crisolon Terto"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1789"]
[BlackElo "1594"]
[PlyCount "63"]
[EventDate "2013.10.04"]
[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 d5 2. d4 e6 3. Bf4 Nf6 4. e3 Be7 5. Nbd2 0-0 6. c4 c5 7. Rc1 cxd4 8. exd4 Bb4 9. Be2 Ne4 10. 0-0 Bxd2 11. Nxd2 f5 12. cxd5 exd5 13. Nf3 g5 14. Bc7 Qe7 15. Ne5 Nd7 16. Qb3 Nxe5 17. dxe5 Be6 18. Qb5 b6 19. f3 Nd2 20. Rfd1 Nc4 21. Bxc4 dxc4 22. Bd6 Qe8 23. Qb4 Rf7 24. b3 Rc8 25. bxc4 Rxc4 26. Rxc4 Bxc4 27. Qxc4 b5 28. Qb3 Kg7 29. Qd5 g4 30. e6 Rf6 31. Be5 gxf3 32. Qd7+ 1-0

[Event "Sao Sebastiao op"]
[Site "Sao Sebastiao do Paraiso"]
[Date "2013.10.05"]
[Round "3"]
[White "Vasconcelos, Yan de Melo"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1805"]
[BlackElo "1789"]
[PlyCount "113"]
[EventDate "2013.10.04"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 Nbd7 10. Nd5 Nxd5 11. exd5 Bf5 12. c4 Rc8 13. Bd3 Bxd3 14. Qxd3 0-0 15. 0-0 f5 16. Nd2 Nc5 17. Qe2 Qc7 18. b4 Nd7 19. Rac1 b5 20. cxb5 Qb7 21. Rc6 axb5 22. Rfc1 Nf6 23. Qd3 Rxc6 24. Rxc6 f4 25. Bf2 Ra8 26. a3 h6 27. Kf1 Kf7 28. Qf5 Qd7 29. Qd3 Qb7 30. Ne4 Rc8 31. Qb3 Ne8 32. Ke2 Kf8 33. Qc2 Rxc6 34. Qxc6 Qxc6 35. dxc6 Nc7 36. Bb6 Nd5 37. Ba5 Ke8 38. Kd3 Bf8 39. Nc3 Nxc3 40. Kxc3 d5 41. Bc7 e4 42. fxe4 dxe4 43. Bxf4 g5 44. Be5 Be7 45. Kd4 Kd8 46. Kxe4 Kc8 47. g4 Bd8 48. Kd5 Bb6 49. Bd4 Bc7 50. h3 Bf4 51. Kc5 Bc1 52. Kxb5 Bxa3 53. Bg7 Bc1 54. Bxh6 Kc7 55. h4 Bf4 56. Bxg5 Be5 57. Be3 1-0

[Event "Sao Sebastiao op"]
[Site "Sao Sebastiao do Paraiso"]
[Date "2013.10.04"]
[Round "1"]
[White "Assad, Otavio Orlando"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "E87"]
[WhiteElo "1640"]
[BlackElo "1789"]
[PlyCount "74"]
[EventDate "2013.10.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 e5 8. d5 Re8 9. 0-0-0 a5 10. Bh6 Bh8 11. Bd3 Nc5 12. Bc2 Bd7 13. Nge2 a4 14. g4 Qb8 15. h4 b5 16. cxb5 Bxb5 17. h5 Bc4 18. hxg6 fxg6 19. Rh2 Qb4 20. Ng3 Reb8 21. Bb1 a3 22. b3 Bxb3 23. Rdh1 Na4 24. Nxa4 Bxa4 25. Qxb4 Rxb4 26. Bc2 Rc4 27. Re1 Rb8 28. Ree2 Rb2 29. Kd1 Rb1+ 30. Bc1 Nd7 31. Nf1 Nc5 32. Ne3 Rd4+ 33. Rd2 Nd3 34. Bxa4 Rxc1+ 35. Ke2 Nf4+ 36. Kf2 Rxd2+ 37. Kg3 Rg1+ 0-1

[Event "Sao Sebastiao op"]
[Site "Sao Sebastiao do Paraiso"]
[Date "2013.10.04"]
[Round "2"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Silva, Sergio"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1789"]
[BlackElo "2100"]
[PlyCount "68"]
[EventDate "2013.10.04"]
[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 c5 2. e4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bg5 h6 8. Bxf6 Bxc3+ 9. bxc3 Qxf6 10. Be2 Qg6 11. Bf3 0-0 12. 0-0 d6 13. a4 Rd8 14. Qe2 Be6 15. Rfd1 Qg5 16. Qd2 Qxd2 17. Rxd2 Kf8 18. Rad1 Ke7 19. Be2 Rac8 20. Rb1 Nb8 21. Nc1 Rc7 22. Bd3 d5 23. exd5 Rxd5 24. Re2 f5 25. f3 Kf6 26. Rf2 Ra5 27. g4 g6 28. gxf5 gxf5 29. Ne2 Rxa4 30. Ng3 Rh4 31. c4 b6 32. Re1 Nc6 33. Ree2 Rg7 34. Kh1 Rxg3 0-1

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.29"]
[Round "7"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Saito, Helio Tsutomu"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1795"]
[BlackElo "1652"]
[PlyCount "81"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. Bg5 Be7 4. e3 d5 5. c4 h6 6. Bh4 0-0 7. Bd3 b6 8. cxd5 exd5 9. Nc3 Re8 10. 0-0 Bb7 11. Rc1 Nbd7 12. Bg3 a6 13. Bxc7 Qxc7 14. Nxd5 Qd6 15. Nc7 Ng4 16. Nxe8 Rxe8 17. e4 Bg5 18. e5 Bxf3 19. gxf3 Ngxe5 20. dxe5 Qe6 21. Rc7 Qh3 22. Bh7+ Kxh7 23. Qxd7 Qxf3 24. Rc3 Qa8 25. Qf5+ Kg8 26. Rc7 Rf8 27. f4 Bd8 28. Rd7 b5 29. h4 Bb6+ 30. Kh2 Qc8 31. Rfd1 Qc4 32. Qg4 Qe4 33. e6 g5 34. hxg5 h5 35. Qg3 Qxe6 36. Qd3 Qg4 37. Qe4 Qh4+ 38. Kg2 Qf2+ 39. Kh1 Be3 40. f5 Qh4+ 41. Qxh4 1-0

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.29"]
[Round "6"]
[White "De Oliveira, Francemir Barra"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1805"]
[BlackElo "1795"]
[PlyCount "69"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. g4 Be6 9. g5 Nfd7 10. a4 Nc6 11. Be3 Rc8 12. Qd2 Bxb3 13. cxb3 Nc5 14. 0-0-0 Qa5 15. Kb1 Nb4 16. Bc4 Nxe4 17. Qe2 Nxc3+ 18. bxc3 Nc6 19. Qc2 b5 20. Bxf7+ Kd8 21. Be6 Rc7 22. b4 Nxb4 23. cxb4 Qxb4+ 24. Qb2 Qe4+ 25. Ka1 Rc2 26. Rc1 Rxc1+ 27. Rxc1 Ke8 28. Qc3 Qb7 29. Qd3 d5 30. Bxd5 Qb8 31. Bc6+ Kf7 32. Qf5+ Bf6 33. gxf6 gxf6 34. Bd5+ Ke7 35. Qe6+ 1-0

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.28"]
[Round "5"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Santos, Marcos Correia"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1795"]
[BlackElo "1812"]
[PlyCount "114"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. e3 g6 4. Bd3 Bg7 5. 0-0 0-0 6. Nbd2 Nbd7 7. c3 c5 8. b3 a6 9. Bb2 b5 10. c4 Rb8 11. cxd5 Nxd5 12. Rc1 Nb4 13. Bb1 Bb7 14. Ba3 Qa5 15. Bxb4 cxb4 16. Ne4 Rfd8 17. Qe2 Bxe4 18. Bxe4 Nf6 19. Bb1 Nd5 20. Ng5 h6 21. Ne4 e6 22. Qc2 Qb6 23. Qc5 a5 24. Qc6 Ne7 25. Qxb6 Rxb6 26. Rc5 Nd5 27. Rfc1 Bf8 28. Rc6 Rdb8 29. Rxb6 Nxb6 30. Rc6 Nd5 31. Kf1 a4 32. bxa4 bxa4 33. Ke1 b3 34. axb3 axb3 35. Kd1 b2 36. Nc3 Nb4 37. Rc4 Ra8 38. Ke2 Nd5 39. Nxd5 exd5 40. Rc2 Rb8 41. Kd1 Bd6 42. g3 Kg7 43. Rc6 Bf8 44. Kc2 Bb4 45. f3 Rb5 46. Ba2 Be1 47. e4 Bf2 48. exd5 Bxd4 49. d6 Bf6 50. Rc7 Re5 51. Rxf7+ Kh8 52. Rxf6 Re2+ 53. Kb1 Rd2 54. Rxg6 Kh7 55. Re6 Kg7 56. Re7+ Kf6 57. Re6+ Kg7 1-0

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.27"]
[Round "3"]
[White "Assad, Otavio Orlando"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1640"]
[BlackElo "1795"]
[PlyCount "64"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e3 e5 6. Nge2 0-0 7. 0-0 Nc6 8. Rb1 Be6 9. d3 Qd7 10. b4 Bh3 11. b5 Bxg2 12. Kxg2 Nd8 13. d4 e4 14. f3 exf3+ 15. Rxf3 Re8 16. h3 Ne6 17. e4 h6 18. Bxh6 Bxh6 19. Rxf6 Ng5 20. g4 Nxe4 21. Nxe4 Rxe4 22. Qd3 Qe7 23. Rf2 Re3 24. Qc2 Re8 25. Nc3 Rxc3 26. Qxc3 Be3 27. Re1 f5 28. Qd3 Qg5 29. Rf3 f4 30. Qb3 Kg7 31. d5 Re5 32. Qc3 Kg8 1/2-1/2

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.27"]
[Round "2"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Proudian, Armen"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1795"]
[BlackElo "2259"]
[PlyCount "78"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 d5 4. Nc3 Bb4 5. e3 0-0 6. Bd3 Nbd7 7. 0-0 c6 8. a3 Bd6 9. Bd2 dxc4 10. Bxc4 e5 11. Qc2 Qe7 12. Bd3 Re8 13. Ng5 h6 14. Nge4 Bb8 15. h3 Nb6 16. Nxf6+ Qxf6 17. dxe5 Bxe5 18. f4 Bc7 19. e4 Qd4+ 20. Kh1 Rd8 21. Rf3 Nc4 22. Bc1 b5 23. Ne2 Qb6 24. Bxc4 bxc4 25. Be3 c5 26. Nc3 Bb7 27. Na4 Qb5 28. Nc3 Qa5 29. Bd2 Qa6 30. Re1 Rd3 31. Be3 Qa5 32. Ref1 Re8 33. Bd2 Qa6 34. Nd5 Bxd5 35. exd5 Re2 36. Rxd3 cxd3 37. Qc3 Qg6 38. Rg1 Bb6 39. d6 Qxd6 0-1

[Event "Recife Arraes Memorial 6th"]
[Site "Recife"]
[Date "2013.06.09"]
[Round "6"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Monte, Edmar Ferreira"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1797"]
[BlackElo "1704"]
[PlyCount "107"]
[EventDate "2013.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. Nbd2 e6 5. c3 c5 6. Qa4+ Nc6 7. Bb5 Qb6 8. Ne5 Rc8 9. dxc5 Bxc5 10. Nxg4 Nd7 11. Bxc6 bxc6 12. Nf3 Bd6 13. Qd4 Qxd4 14. exd4 h5 15. Nge5 f6 16. Nxd7 Kxd7 17. Be3 g5 18. Ke2 g4 19. Nh4 Rhg8 20. g3 Rb8 21. b3 Ba3 22. Rab1 Bd6 23. Rhc1 a5 24. c4 Ba3 25. Rd1 Rb7 26. Bd2 Be7 27. c5 f5 28. Ng2 Bf6 29. Bxa5 Ra8 30. b4 Re8 31. Rb3 Bg5 32. Kf1 Ra8 33. Nf4 h4 34. Re1 hxg3 35. fxg3 Bxf4 36. gxf4 Rh8 37. Re2 Rbb8 38. a4 Ra8 39. Rbe3 Rh6 40. Kg1 Ra7 41. Ra2 Rg6 42. Bb6 Ra6 43. a5 Rg8 44. Rb2 Re8 45. b5 cxb5 46. Rxb5 Kc6 47. Rb2 Raa8 48. Rbe2 Kd7 49. c6+ Kxc6 50. Rxe6+ Rxe6 51. Rxe6+ Kd7 52. Re5 Re8 53. Rxd5+ Ke6 54. Re5+ 1-0

[Event "Recife Arraes Memorial 6th"]
[Site "Recife"]
[Date "2013.06.09"]
[Round "7"]
[White "Lins, Louis Carlos Barret"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1756"]
[BlackElo "1797"]
[PlyCount "79"]
[EventDate "2013.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Nh5 4. Bc1 e6 5. Ne5 Nd7 6. e4 Nhf6 7. Nxd7 Nxd7 8. e5 c5 9. c3 b6 10. Bd3 Bb7 11. 0-0 g6 12. Be3 Bg7 13. Nd2 0-0 14. f4 Qc7 15. Rf3 Rfd8 16. Rh3 Nf8 17. Qe2 a5 18. Rf1 cxd4 19. cxd4 Qc8 20. Kh1 Ba6 21. g4 Bxd3 22. Qxd3 Ra7 23. Rg1 Rc7 24. Nf3 Rc2 25. f5 exf5 26. gxf5 Qxf5 27. Qxf5 gxf5 28. Nh4 f4 29. Bxf4 Ng6 30. Bg5 Rdc8 31. Nf5 Rf2 32. Nxg7 Kxg7 33. Bh6+ Kg8 34. Rc3 Rxc3 35. bxc3 Rb2 36. h4 a4 37. h5 a3 38. hxg6 hxg6 39. Bc1 Rb1 40. Bxa3 1-0

[Event "Recife Arraes Memorial 6th"]
[Site "Recife"]
[Date "2013.06.08"]
[Round "5"]
[White "Almeida, Carlos Bruno Gomes"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1913"]
[BlackElo "1797"]
[PlyCount "103"]
[EventDate "2013.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Nc6 6. Nf3 Nf6 7. Bd3 Be7 8. 0-0 0-0 9. c5 Bd7 10. Re1 b6 11. cxb6 axb6 12. h3 Nb4 13. Bb1 Bd6 14. a3 h6 15. Be3 Qc7 16. Qd2 Rfe8 17. Bxh6 Ne4 18. Nxe4 dxe4 19. Qg5 Bf8 20. Bxe4 Nd5 21. Ne5 f6 22. Qg6 fxe5 23. Qh7+ Kf7 24. Bg6+ Ke7 25. Bg5+ Kd6 26. dxe5+ Kc6 27. Rac1+ Bc5 28. Bxe8 Bxe8 29. b4 Rxa3 30. bxc5 b5 31. Qg8 Qd7 32. Ra1 b4 33. Rxa3 bxa3 34. Ra1 Nc7 35. Qf8 Nb5 36. Qf3+ Qd5 37. Qf8 Bd7 38. Qa8+ Kxc5 39. Be3+ Kb4 40. Rb1+ Kc3 41. Qa5+ Kc2 42. Rc1+ Kb3 43. Bd2 Qd4 44. g3 a2 45. Be3 Qb2 46. Kh2 Bc6 47. Rxc6 a1Q 48. Qxb5+ Ka2 49. Ra6+ Kb1 50. Rxa1+ Kxa1 51. Qxb2+ Kxb2 52. f4 1-0

[Event "Recife Arraes Memorial 6th"]
[Site "Recife"]
[Date "2013.06.08"]
[Round "4"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Feitosa, Airton Jose Tajra"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1797"]
[BlackElo "1803"]
[PlyCount "85"]
[EventDate "2013.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. Bf4 c6 4. e3 Bf5 5. Nbd2 e6 6. Bd3 Bxd3 7. cxd3 Bd6 8. Ne5 Qc7 9. 0-0 Nbd7 10. Nxd7 Kxd7 11. Bxd6 Qxd6 12. Nf3 Kc7 13. Qa4 Nd7 14. Rac1 f6 15. b4 Nb6 16. Qa5 Kd7 17. e4 dxe4 18. dxe4 Ke7 19. e5 Qd5 20. Rc5 Qd8 21. Qa3 Kf7 22. Qb3 a6 23. Re1 Nd5 24. a3 Qb6 25. Nd2 Qc7 26. Nc4 Rhd8 27. Nd6+ Rxd6 28. exd6 Qxd6 29. Qh3 h6 30. Qh5+ Kg8 31. g3 b6 32. Rc2 f5 33. Qe2 Kf7 34. Rec1 Ne7 35. Qc4 a5 36. Re2 axb4 37. Qxb4 Qxb4 38. axb4 Ra4 39. Rce1 Nd5 40. Rxe6 Rxb4 41. Rxc6 Rxd4 42. Rd6 b5 43. h4 1-0

[Event "Recife Arraes Memorial 6th"]
[Site "Recife"]
[Date "2013.06.07"]
[Round "2"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Paiva, Paulo Ricardo Gonca"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1797"]
[BlackElo "1519"]
[PlyCount "43"]
[EventDate "2013.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Bg4 3. Nbd2 e6 4. e3 c5 5. c3 Nf6 6. Bb5+ Nbd7 7. Qa4 c4 8. Ne5 a6 9. Bxd7+ Nxd7 10. Nxg4 Bd6 11. Nf3 f6 12. h3 b5 13. Qc2 h5 14. Ngh2 e5 15. dxe5 Bxe5 16. Nxe5 Nxe5 17. 0-0 Nc6 18. Nf3 Ne5 19. e4 0-0 20. Be3 Re8 21. Rad1 Qe7 22. exd5 1-0

[Event "Recife Arraes Memorial 6th"]
[Site "Recife"]
[Date "2013.06.07"]
[Round "3"]
[White "Zaidan Lima, Allan Gadelha"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2019"]
[BlackElo "1797"]
[PlyCount "120"]
[EventDate "2013.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. a4 Nbd7 10. 0-0 Rc8 11. Kh1 0-0 12. f4 Qc7 13. Qe1 Bxb3 14. cxb3 Nc5 15. Rc1 Qb8 16. Bxc5 Rxc5 17. Qd2 Rfc8 18. b4 R5c7 19. b5 axb5 20. Bxb5 Qa7 21. fxe5 dxe5 22. Nd5 Nxd5 23. Rxc7 Rxc7 24. Qxd5 Bf8 25. Qxe5 Re7 26. Qd5 Qb8 27. Bc4 Qc7 28. b3 Rd7 29. Qf5 g6 30. Qf3 Bg7 31. h4 h5 32. g4 hxg4 33. Qxg4 Kh7 34. h5 gxh5 35. Qxh5+ Kg8 36. Bd5 Kf8 37. b4 Re7 38. a5 Bd4 39. b5 Ke8 40. b6 Qe5 41. Bxf7+ Kd8 42. Qxe5 Bxe5 43. Bd5 Rh7+ 44. Kg2 Bc3 45. Rf8+ Ke7 46. Rb8 Rg7+ 47. Kf3 Kd6 48. a6 bxa6 49. Rc8 Be5 50. b7 Kd7 51. b8Q Bxb8 52. Rxb8 Rg6 53. Ra8 Rb6 54. Bc4 Rb2 55. Rxa6 Ke7 56. Kf4 Rb4 57. Bd5 Rd4 58. Ke5 Rb4 59. Ra7+ Kd8 60. Kd6 Rb6+ 1-0

[Event "Recife Arraes Memorial 6th"]
[Site "Recife"]
[Date "2013.06.06"]
[Round "1"]
[White "Segal, Alexandru Sorin"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2141"]
[BlackElo "1797"]
[PlyCount "85"]
[EventDate "2013.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 e5 8. Qd3 Nf6 9. Bg5 Be7 10. 0-0-0 Qc7 11. Bxf6 gxf6 12. Nh4 0-0-0 13. Nd5 Bxd5 14. Qxd5 Kb8 15. Nf5 Rhf8 16. Rd2 Rd7 17. Nxe7 Rxe7 18. Qxd6 Qxd6 19. Rxd6 Re6 20. Rhd1 Kc8 21. R6d3 Rg8 22. Rc3+ Rc6 23. Rg3 Rg6 24. Rdd3 Kc7 25. Rc3 Rxc3 26. Rxc3+ Kd7 27. Rg3 Ke6 28. Rxg6 fxg6 29. Kd2 f5 30. Kd3 b5 31. f3 h5 32. c4 bxc4+ 33. Kxc4 Kd6 34. Kb5 fxe4 35. fxe4 a6+ 36. Kb6 a5 37. b3 g5 38. a3 g4 39. g3 Ke6 40. Kxa5 Kf6 41. b4 Kg5 42. b5 h4 43. b6 1-0

[Event "Fortaleza Alves memorial 17th"]
[Site "Fortaleza"]
[Date "2013.05.19"]
[Round "5"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "De Macedo, Luiz Soares"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1795"]
[BlackElo "1699"]
[PlyCount "59"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 Bd6 6. d5 Na5 7. Bd3 0-0 8. b4 Nc6 9. dxc6 bxc6 10. Bg5 Re8 11. 0-0 Bb7 12. Nbd2 c5 13. a3 a5 14. bxa5 c6 15. Nc4 Bc7 16. Rb1 Ra7 17. Re1 d6 18. Qc2 h6 19. Bxf6 Qxf6 20. Rb3 d5 21. exd5 cxd5 22. Nb6 c4 23. Bh7+ Kh8 24. Rb5 e4 25. Nxd5 Qc6 26. Nxc7 Re7 27. Bxe4 Qxc7 28. Bxb7 Rxb7 29. Rb4 Rxe1+ 30. Nxe1 1-0

[Event "Fortaleza Alves memorial 17th"]
[Site "Fortaleza"]
[Date "2013.05.19"]
[Round "6"]
[White "Rezende, Guilherme Vilela"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2003"]
[BlackElo "1795"]
[PlyCount "65"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Be7 6. e4 d6 7. Bd3 Bb7 8. 0-0 Nbd7 9. Qe2 e5 10. d5 0-0 11. b4 c5 12. Ne1 Rc8 13. g3 Re8 14. f4 Nf8 15. fxe5 dxe5 16. b5 Ng6 17. Ng2 Bd6 18. Nf3 Qd7 19. Ngh4 Qg4 20. Nf5 Nf4 21. Bxf4 exf4 22. Nxd6 fxg3 23. e5 gxh2+ 24. Kh1 Nh5 25. Qg2 Ng3+ 26. Kxh2 Nxf1+ 27. Rxf1 Qf4+ 28. Qg3 Qh6+ 29. Kg2 Qe3 30. Bxh7+ Kf8 31. Nxb7 Re7 32. Nd6 Rcc7 33. Nf5 1-0

[Event "Fortaleza Alves memorial 17th"]
[Site "Fortaleza"]
[Date "2013.05.18"]
[Round "4"]
[White "Fiaes, Mario Henrique"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2038"]
[BlackElo "1788"]
[PlyCount "69"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bg6 5. h4 h5 6. e6 Nf6 7. g5 Ne4 8. exf7+ Bxf7 9. Nf3 Nd7 10. Bh3 e6 11. Qe2 g6 12. Nbd2 Nxd2 13. Bxd2 Qe7 14. 0-0-0 0-0-0 15. Rhe1 Re8 16. Ne5 Rh7 17. Nxf7 Rxf7 18. Bxe6 Kd8 19. Qd3 Rg7 20. a3 Qd6 21. Bh3 Rge7 22. Rxe7 Bxe7 23. f4 Nf8 24. Re1 Nd7 25. Re6 Qc7 26. Rxg6 Nf8 27. Rg7 Nd7 28. Qf5 Rf8 29. Qxd7+ Qxd7 30. Bxd7 Kxd7 31. Rxe7+ Kxe7 32. Bb4+ Kf7 33. Bxf8 Kxf8 34. f5 b6 35. Kd2 1-0

[Event "Fortaleza Alves memorial 17th"]
[Site "Fortaleza"]
[Date "2013.05.17"]
[Round "2"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Presa, Luis Alberto Passos"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1788"]
[PlyCount "89"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. exd5 cxd5 4. d4 e6 5. Bd3 Nf6 6. Nf3 Be7 7. Bf4 a6 8. a4 0-0 9. 0-0 Nc6 10. Re1 Bd7 11. h3 Rc8 12. Rb1 Nb4 13. Ne5 Nxd3 14. Qxd3 Bb4 15. Bg5 Be7 16. Re2 Ne8 17. Nxd7 Qxd7 18. Bxe7 Qxe7 19. Nxd5 Qd6 20. Nc3 Nf6 21. b3 Rfd8 22. Rd1 Qc6 23. Ne4 Nxe4 24. Rxe4 Qxc2 25. Qxc2 Rxc2 26. d5 Kf8 27. d6 Rc6 28. Red4 e5 29. R4d3 f6 30. g3 Kf7 31. f4 Ke6 32. fxe5 fxe5 33. d7 Rc7 34. Rd6+ Ke7 35. R6d5 Rcxd7 36. Rxe5+ Kf6 37. Rde1 Rd6 38. g4 g6 39. g5+ Kf7 40. Re7+ Kg8 41. Rxb7 Rd1 42. Rxd1 Rxd1+ 43. Kg2 Rd2+ 44. Kg3 Rd3+ 45. Kg2 1/2-1/2

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.05.03"]
[Round "9"]
[White "Dos Santos, Wesley Cesar Reis"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1795"]
[BlackElo "1795"]
[PlyCount "92"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Bg5 Nbd7 9. 0-0 0-0 10. Kh1 b5 11. f3 Bb7 12. Bd3 Re8 13. Rc1 Rc8 14. Qe2 Qb6 15. a3 Qc7 16. f4 h6 17. Bxf6 Nxf6 18. Nd2 exf4 19. Rxf4 d5 20. e5 Bd8 21. Qf2 Qxe5 22. Rf5 Qe3 23. Rf1 Qxf2 24. R5xf2 Rc7 25. Nf3 Rce7 26. b4 Ne4 27. Bxe4 dxe4 28. Nd4 g6 29. Nb3 Bb6 30. Rf6 Ba7 31. Na5 Bd4 32. Ne2 Bxf6 33. Rxf6 Bc8 34. h3 Kg7 35. Rf1 Rc7 36. Rc1 Rd8 37. Nb3 f5 38. Nc5 g5 39. c3 Kf6 40. Rf1 Ke5 41. Nd4 f4 42. Rd1 Rf8 43. Re1 e3 44. Nf3+ Kf6 45. Ne4+ Kg7 46. Nc5 Rf5 0-1

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.05.02"]
[Round "8"]
[White "Da Silva, Mikhail Zoltan Iwan"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1998"]
[BlackElo "1795"]
[PlyCount "31"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. e5 c5 6. a3 Bxc3+ 7. bxc3 c4 8. Bf4 Nh6 9. g4 Nc6 10. h4 Ng8 11. Qd2 Nge7 12. h5 Qa5 13. Ne2 Bd7 14. Bg3 h6 15. Bf2 Rc8 16. a4 1-0

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.05.01"]
[Round "7"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Zimmermann, Kleber Renato P"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1795"]
[BlackElo "1984"]
[PlyCount "136"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 c5 6. e3 d6 7. b3 Nc6 8. Bb2 cxd4 9. exd4 Bg4 10. Re1 e6 11. Na3 d5 12. h3 Bxf3 13. Bxf3 Rc8 14. c3 a6 15. Nc2 b5 16. a4 Qb6 17. Ba3 Rfd8 18. Bc5 Qb7 19. axb5 axb5 20. Nb4 Nxb4 21. cxb4 Ra8 22. Ra5 Nd7 23. Rxa8 Rxa8 24. Qd3 Nxc5 25. dxc5 Ra2 26. Be2 Rb2 27. Rb1 Rxb1+ 28. Qxb1 Bc3 29. Qc2 d4 30. Bd3 Bxb4 31. c6 Qc7 32. Bxb5 Ba5 33. Qc4 Bb6 34. Kg2 h5 35. b4 Qe5 36. Qe2 Qd6 37. Qc4 h4 38. Qd3 hxg3 39. Qxg3 Qd5+ 40. Kg1 Qd8 41. Bd3 Bc7 42. Qg2 Qd6 43. b5 Qf4 44. Bf1 e5 45. Bd3 Qc1+ 46. Qf1 Qg5+ 47. Qg2 Qc1+ 48. Qf1 Qf4 49. Qg2 Kg7 50. Qe4 Qxe4 51. Bxe4 f5 52. Bd5 e4 53. Kf1 Kf6 54. f3 Ke5 55. fxe4 fxe4 56. Bf7 g5 57. Bg6 d3 58. Ke1 Kd4 59. Bh5 e3 60. Kd1 Ba5 61. Bg4 Kc4 62. Bf3 Kxb5 63. Bg4 Kxc6 64. Bf3+ Kd6 65. Bg4 Ke5 66. Bh5 Kf4 67. Bg4 Kg3 68. Bh5 Kf2 0-1

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.05.01"]
[Round "6"]
[White "Minelli, Fausto"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1940"]
[BlackElo "1795"]
[PlyCount "59"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bd2 c5 6. e3 Nc6 7. a3 cxd4 8. exd4 Be7 9. Bf4 a6 10. b4 Ne4 11. Qb3 g5 12. Be3 Nxc3 13. Qxc3 g4 14. Ne5 Nxe5 15. dxe5 Qc7 16. c5 Bd7 17. Be2 Rg8 18. 0-0 b5 19. Rfc1 Bc6 20. Bd1 Qd7 21. Ra2 d4 22. Qxd4 Qb7 23. Be2 Bxg2 24. c6 Bxc6 25. Qb6 Qxb6 26. Bxb6 Be4 27. Be3 Bg5 28. Bxg5 Rxg5 29. Rc3 Kd7 30. Rac2 1/2-1/2

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.04.30"]
[Round "5"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Ferreira, Jose Carlos"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1795"]
[BlackElo "1912"]
[PlyCount "51"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. e3 Bg7 4. Be2 d6 5. 0-0 0-0 6. c4 Nbd7 7. Nc3 c6 8. Qc2 e5 9. Rd1 a6 10. e4 Qe7 11. d5 c5 12. a4 h6 13. a5 Nh7 14. Be3 Ng5 15. Na4 f5 16. exf5 Nxf3+ 17. Bxf3 gxf5 18. Be2 f4 19. Bd2 Rb8 20. Nc3 Nf6 21. Qg6 Bd7 22. Bd3 Be8 23. Qf5 Bd7 24. Qg6 Be8 25. Qf5 Bd7 26. Qg6 1/2-1/2

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.04.29"]
[Round "4"]
[White "Da Silva Filho, Ibernon Luiz"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "A18"]
[WhiteElo "1721"]
[BlackElo "1795"]
[PlyCount "88"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 Nc6 4. d4 Bb4 5. a3 Bxc3+ 6. bxc3 Nxe4 7. Bd3 Nf6 8. Bg5 h6 9. Bh4 g5 10. Bg3 d5 11. cxd5 exd5 12. Nf3 Bg4 13. 0-0 0-0 14. h3 Bh5 15. Qc2 Bxf3 16. gxf3 Nh5 17. Bh2 Qf6 18. Rae1 Rfe8 19. Qd1 Nf4 20. Bxf4 Qxf4 21. Kg2 Qd6 22. Qc1 Qf6 23. Rh1 Rxe1 24. Rxe1 Ne7 25. Re5 c6 26. Qe3 Kf8 27. Bc2 Rd8 28. Kf1 Rd7 29. Kg2 Kg7 30. Kf1 a6 31. Qd3 Ng6 32. Re8 Re7 33. Rxe7 Qxe7 34. Qf5 Qf6 35. Qxf6+ Kxf6 36. Kg2 Nf4+ 37. Kf1 Nxh3 38. Kg2 Nf4+ 39. Kf1 h5 40. Bd1 Ke6 41. Bc2 a5 42. Bd1 Nd3 43. Bc2 Nb2 44. Kg2 b5 0-1

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.04.28"]
[Round "2"]
[White "Benayon, Elismar da Silva"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1808"]
[BlackElo "1795"]
[PlyCount "163"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nc3 Nf6 2. Nf3 d6 3. e4 Bg4 4. Bc4 e6 5. d3 Nbd7 6. Bg5 Be7 7. 0-0 Ne5 8. Bb3 Bxf3 9. gxf3 Nfd7 10. Bxe7 Qxe7 11. f4 Nc6 12. Qg4 0-0-0 13. Kh1 g6 14. Qg5 f6 15. Qg4 Nd4 16. Rfe1 Nc5 17. Nd5 Qf7 18. Ne3 h5 19. Qh3 Kb8 20. f5 Ncxb3 21. fxe6 Nxe6 22. axb3 Nf4 23. Qf3 c6 24. Qxf4 g5 25. Qf5 Rde8 26. Nc4 Rd8 27. e5 Qd5+ 28. Qe4 dxe5 29. Qxd5 cxd5 30. Ne3 d4 31. Nf5 Rc8 32. Rac1 Rc7 33. c3 Rhc8 34. c4 a6 35. Nd6 Rd8 36. c5 b5 37. b4 Rc6 38. Kg2 Rd7 39. Ne4 Kc7 40. Ra1 Kd8 41. Ra5 Kc7 42. Rea1 Kb7 43. Nd6+ Rcxd6 44. cxd6 Rxd6 45. Rc1 f5 46. Raa1 Re6 47. Re1 e4 48. Rac1 e3 49. Rc5 f4 50. fxe3 g4 51. Rxh5 dxe3 52. Rf5 f3+ 53. Rxf3 gxf3+ 54. Kxf3 Rh6 55. Re2 Rh4 56. Kxe3 Rxb4 57. d4 Kc6 58. Ke4 Kd6 59. Rg2 a5 60. h4 Rb3 61. h5 Rh3 62. Rg6+ Ke7 63. h6 a4 64. Rb6 Kd8 65. d5 b4 66. Kf5 a3 67. bxa3 bxa3 68. Ra6 a2 69. h7 Rxh7 70. Rxa2 Rh5+ 71. Ke6 Rh6+ 72. Ke5 Rh5+ 73. Kd4 Rh4+ 74. Kc5 Rh5 75. Kc6 Rh1 76. Ra8+ Ke7 77. d6+ Ke6 78. Re8+ Kf7 79. d7 Rc1+ 80. Kb5 Rb1+ 81. Kc4 Rc1+ 82. Kb3 1-0

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.04.28"]
[Round "3"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Guerreiro, Alexandre Vieira"]
[Result "0-1"]
[ECO "D95"]
[WhiteElo "1795"]
[BlackElo "1830"]
[PlyCount "66"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. e3 g6 4. c4 Bg7 5. Nc3 0-0 6. Qb3 dxc4 7. Bxc4 Nc6 8. Be2 b6 9. 0-0 Na5 10. Qc2 Bb7 11. Rd1 Nc6 12. a3 Nd5 13. e4 Nxc3 14. bxc3 Qc8 15. Bf4 Na5 16. Rac1 Qg4 17. Bxc7 Bxe4 18. Qb2 Nc4 19. Qb4 Bd5 20. Bg3 Rac8 21. Bxc4 Rxc4 22. Qb5 Bxf3 23. gxf3 Qc8 24. Qb2 Rd8 25. Bf4 Qc6 26. Kg2 g5 27. Be3 Rd6 28. h3 Qd5 29. Qc2 g4 30. Bf4 Rg6 31. Kh1 Bf6 32. Rg1 Qxf3+ 33. Rg2 gxh3 0-1

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.04.27"]
[Round "1"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Borges, Wagner da Silva"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1795"]
[BlackElo "2178"]
[PlyCount "62"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. e3 Bg7 4. Be2 0-0 5. 0-0 b6 6. c4 Bb7 7. Nc3 d6 8. Bd2 Nbd7 9. Qc2 e6 10. Rad1 c5 11. Bc1 Qe7 12. Rfe1 Rfd8 13. b3 Rac8 14. Ba3 a6 15. dxc5 bxc5 16. e4 Ng4 17. Bb2 Nge5 18. Nxe5 Nxe5 19. Na4 Nc6 20. Bxg7 Kxg7 21. Bf1 Nd4 22. Qb2 Qf6 23. Bd3 Bc6 24. Qa3 Ra8 25. Re3 Bxa4 26. Qxa4 a5 27. Qa3 e5 28. Qc1 h6 29. Bc2 Rdb8 30. Rde1 Ra7 31. Bd1 Qd8 1/2-1/2

[Event "Joao Pessoa op 4th"]
[Site "Joao Pessoa"]
[Date "2013.03.17"]
[Round "5"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Born, Ary"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1797"]
[BlackElo "1463"]
[PlyCount "77"]
[EventDate "2013.03.15"]
[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. f4 h5 2. Nf3 d5 3. d3 e6 4. b3 c5 5. Bb2 Nc6 6. Nbd2 b5 7. e4 d4 8. a4 Rb8 9. axb5 Nb4 10. Rxa7 Ne7 11. Nc4 Bb7 12. c3 dxc3 13. Bxc3 Ng6 14. Qd2 Nh4 15. Nxh4 Qxh4+ 16. g3 Qe7 17. Be5 Ra8 18. Nd6+ Qxd6 19. Rxa8+ Bxa8 20. Bxd6 Bxd6 21. Bg2 0-0 22. 0-0 Rd8 23. e5 Bxg2 24. Kxg2 Be7 25. Rf3 h4 26. Kf2 c4 27. bxc4 Bc5+ 28. Kg2 Ra8 29. d4 Be7 30. Rf2 Ra2 31. Qxa2 Nxa2 32. Rxa2 g5 33. b6 Kg7 34. b7 gxf4 35. gxf4 f5 36. b8Q h3+ 37. Kxh3 Bf8 38. Ra7+ Kg8 39. Qxf8+ 1-0

[Event "Joao Pessoa op 4th"]
[Site "Joao Pessoa"]
[Date "2013.03.17"]
[Round "6"]
[White "Paiva, Paulo Ricardo Gonca"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1497"]
[BlackElo "1797"]
[PlyCount "112"]
[EventDate "2013.03.15"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Be2 Be6 8. 0-0 0-0 9. c4 Nd7 10. c5 Bc7 11. Qc2 Re8 12. Bd3 Nf8 13. Be3 Qd5 14. Be2 Ng6 15. g3 Bf5 16. Qc4 Qe4 17. Nd2 Qe7 18. Rfe1 Be6 19. Qc2 f5 20. f4 Bxa2 21. Bh5 Be6 22. Bf2 Qd7 23. Bxg6 fxg6 24. Nf3 Bd5 25. Qd3 Bxf3 26. Qxf3 Kf8 27. Qb3 Rxe1+ 28. Rxe1 Bd8 29. Qb4 Bf6 30. Rd1 Be7 31. Qb3 Rb8 32. d5 cxd5 33. Rxd5 Qc6 34. Qd3 Rc8 35. Bd4 b6 36. b4 bxc5 37. Bxc5 Qe6 38. Rd8+ Rxd8 39. Qxd8+ Kf7 40. Qc7 a6 41. Kf2 Qa2+ 42. Kg1 Qb1+ 43. Kg2 Qe4+ 44. Kh3 Qe2 45. Qb7 Qf1+ 46. Qg2 Qxg2+ 47. Kxg2 Bxc5 48. bxc5 Ke7 49. Kf2 Kd7 50. Ke3 Kc6 51. Kd4 a5 52. Kc4 a4 53. Kb4 a3 54. Kxa3 Kxc5 55. Kb3 Kd4 56. Kc2 Ke3 0-1

[Event "Joao Pessoa op 4th"]
[Site "Joao Pessoa"]
[Date "2013.03.16"]
[Round "4"]
[White "Araujo Brandao, Estevao Alisson"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "A51"]
[WhiteElo "1675"]
[BlackElo "1797"]
[PlyCount "45"]
[EventDate "2013.03.15"]
[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. c4 e5 3. d5 Bc5 4. Nc3 d6 5. e4 0-0 6. Be2 c6 7. Bg5 Qb6 8. Na4 Bxf2+ 9. Kf1 Qd4 10. Bxf6 gxf6 11. Nf3 Qxd1+ 12. Rxd1 Bc5 13. Nxc5 dxc5 14. h3 Bd7 15. Nh4 Na6 16. Bg4 Bxg4 17. hxg4 Rad8 18. Nf5 cxd5 19. cxd5 c4 20. Rc1 b5 21. Rc3 Nc5 22. Rch3 Nxe4 23. Ne7+ 1-0

[Event "Joao Pessoa op 4th"]
[Site "Joao Pessoa"]
[Date "2013.03.16"]
[Round "3"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "De Moura Filho, Eny Nobrega"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1797"]
[BlackElo "1622"]
[PlyCount "71"]
[EventDate "2013.03.15"]
[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. f4 g6 2. Nf3 d6 3. g3 Bg7 4. Bg2 e5 5. fxe5 dxe5 6. e4 Nc6 7. 0-0 Nf6 8. d3 0-0 9. Bg5 Nd4 10. Nxe5 Re8 11. Nc4 h6 12. Bxf6 Bxf6 13. c3 Ne6 14. Qf3 Kg7 15. e5 Ng5 16. Qxf6+ Kh7 17. Qxd8 Rxd8 18. d4 Rb8 19. h4 Bh3 20. hxg5 Bxg2 21. Kxg2 Rf8 22. gxh6 b5 23. Na5 Kxh6 24. Nd2 Kg7 25. Ne4 Rbd8 26. Nc6 Ra8 27. Rf6 a6 28. Raf1 Rae8 29. Ng5 Kh6 30. Nxf7+ Kg7 31. Ng5 Rh8 32. Rf7+ Kh6 33. Ne4 g5 34. g4 Re6 35. d5 Rg6 36. Rh1# 1-0

[Event "Joao Pessoa op 4th"]
[Site "Joao Pessoa"]
[Date "2013.03.15"]
[Round "1"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Rodrigues da Silva, Evandro"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1797"]
[BlackElo "2172"]
[PlyCount "132"]
[EventDate "2013.03.15"]
[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 d5 2. d4 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Bd3 Be7 7. 0-0 0-0 8. Nbd2 b6 9. Rc1 Bb7 10. Ne5 Rc8 11. h3 Nxe5 12. Bxe5 Ne4 13. Nf3 f6 14. Bh2 Qe8 15. Qc2 Qh5 16. Qa4 c4 17. Qxa7 Bd6 18. Bxe4 Bxh2+ 19. Nxh2 Qf7 20. Bb1 Qd7 21. Qxb6 Ra8 22. b3 Rfb8 23. bxc4 Ba6 24. Qc5 Bxc4 25. a4 Rxa4 26. Bc2 Ra2 27. Rb1 Rc8 28. Bxh7+ Kxh7 29. Qb4 Bxf1 30. Rxf1 Rc2 31. Nf3 R2xc3 32. Qb1+ Kg8 33. Qg6 Qf7 34. Qg3 Rc1 35. Rxc1 Rxc1+ 36. Kh2 Qc7 37. Qxc7 Rxc7 38. Kg3 Rc2 39. Ne1 Rd2 40. Nf3 Re2 41. Ng1 Ra2 42. Nf3 Kf7 43. Ne1 Rd2 44. Nf3 Re2 45. Ng1 Ra2 46. Nf3 Kg6 47. Nh4+ Kh5 48. Nf3 g6 49. Nh2 Kh6 50. Nf3 Kg7 51. Nh4 e5 52. Nf3 e4 53. Nh2 f5 54. f3 Kf6 55. f4 Re2 56. Nf1 Ke6 57. h4 Kf6 58. Kh2 Kg7 59. Kg1 Kh6 60. Kh2 Re1 61. Kg1 Kh5 62. Kf2 Ra1 63. g3 Kg4 64. Nh2+ Kh3 65. Nf1 Rxf1+ 66. Kxf1 Kxg3 0-1

[Event "Joao Pessoa op 4th"]
[Site "Joao Pessoa"]
[Date "2013.03.15"]
[Round "2"]
[White "De Costa, Gaudencio Tadeu"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1916"]
[BlackElo "1797"]
[PlyCount "77"]
[EventDate "2013.03.15"]
[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. f4 Nf6 2. Nf3 d6 3. b3 g6 4. Bb2 Bg7 5. e4 Bg4 6. Be2 0-0 7. d3 Nbd7 8. Nbd2 Re8 9. 0-0 e5 10. Ng5 Bxe2 11. Qxe2 h6 12. Nh3 c6 13. f5 g5 14. Rad1 d5 15. Kh1 Qc7 16. Rfe1 d4 17. Nf1 a5 18. Bc1 Nh7 19. Ng3 Ndf6 20. Nf2 a4 21. h4 axb3 22. axb3 Ra1 23. hxg5 Nxg5 24. Nh3 Nxh3 25. gxh3 Kh7 26. Rg1 Qe7 27. Nh5 Rg8 28. Nxg7 Rxg7 29. Rxg7+ Kxg7 30. Bxh6+ Kxh6 31. Rxa1 Nh5 32. Qg4 Qb4 33. Rg1 Qe7 34. Kh2 Qf6 35. h4 Nf4 36. Qg5+ Qxg5 37. hxg5+ Kh5 38. Rg3 b5 39. b4 1-0

[Event "Brasilia Abertura op"]
[Site "Brasilia"]
[Date "2013.02.24"]
[Round "4"]
[White "Balzani, Diones"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1716"]
[BlackElo "1802"]
[PlyCount "58"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. h3 Be7 4. Bf4 0-0 5. e3 b6 6. Bd3 Bb7 7. 0-0 Nc6 8. c3 Nd5 9. Bg3 f5 10. Qc2 g6 11. Re1 Nf6 12. Nbd2 Nh5 13. Bh2 Bd6 14. Bxd6 cxd6 15. e4 Rc8 16. a3 Nf4 17. Bf1 Ne7 18. g3 Nh5 19. Nh4 Nc6 20. Be2 Nxd4 21. Qd3 Nxe2+ 22. Qxe2 f4 23. Qg4 Qf6 24. Rf1 Ba6 25. Rfe1 fxg3 26. Nhf3 gxf2+ 27. Kxf2 Nf4 28. Re3 h5 29. Qg3 e5 0-1

[Event "Brasilia Abertura op"]
[Site "Brasilia"]
[Date "2013.02.24"]
[Round "5"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Rocha, Marcelo da Costa"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1802"]
[PlyCount "93"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. Bf4 Nf6 4. e3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. Ne5 Bxe5 8. Bxe5 cxd4 9. exd4 Nxe5 10. dxe5 Nd7 11. Nf3 0-0 12. Bd3 f6 13. exf6 Qxf6 14. 0-0 e5 15. Bc2 Nb6 16. Bb3 Rd8 17. Qe1 Re8 18. Rd1 Bg4 19. Bxd5+ Nxd5 20. Rxd5 Bxf3 21. gxf3 Qxf3 22. Qd1 e4 23. Re1 Qf7 24. Re3 Rf8 25. Qd2 Rae8 26. c4 Re6 27. Rg5 Rf6 28. Rg2 Qxc4 29. b3 Qc6 30. Qe1 Rf4 31. Qd2 h6 32. Rc3 Qb6 33. Qd5+ Kh7 34. Rcg3 R8f7 35. Qd2 Qf6 36. h3 g5 37. Qe2 Qf5 38. Qc2 Rh4 39. Qe2 Rc7 40. Qe3 Rd7 41. Qe2 Qf4 42. Rg4 Rxg4 43. Rxg4 Qf3 44. Qxe4+ Qxe4 45. Rxe4 Kg6 46. Kg2 Kf5 47. Re3 1/2-1/2

[Event "Brasilia Abertura op"]
[Site "Brasilia"]
[Date "2013.02.23"]
[Round "2"]
[White "Coutinho, Sidnei Bissacot"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "2083"]
[BlackElo "1802"]
[PlyCount "55"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Be7 6. Nf3 0-0 7. e3 c5 8. dxc5 Bxc5 9. b4 Be7 10. Be2 b6 11. 0-0 Bb7 12. Rd1 Qc8 13. Bb2 dxc4 14. Rd4 Nc6 15. Rxc4 Qb8 16. Ne4 Nxe4 17. Qxe4 Qe8 18. Rac1 Rc8 19. Qg4 g6 20. Ng5 Bxg5 21. Qxg5 f5 22. Bf3 b5 23. Rc5 a6 24. h4 Ba8 25. h5 Qe7 26. Qxe7 Nxe7 27. Rxc8 Bxf3 28. Rxf8+ 1-0

[Event "Brasilia Abertura op"]
[Site "Brasilia"]
[Date "2013.02.23"]
[Round "3"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Leao, Adriano Santos"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1802"]
[PlyCount "104"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 Nc6 4. Bb5 Bd7 5. 0-0 e6 6. b3 Bc5 7. Bb2 0-0 8. d4 Be7 9. Nbd2 a6 10. Bxc6 Bxc6 11. Ne5 Be8 12. c4 c6 13. Qf3 Nd7 14. e4 Bb4 15. Rf2 Qa5 16. Nf1 dxe4 17. Qxe4 Nf6 18. Qe2 Be7 19. Ng3 Rd8 20. a4 c5 21. Rd1 cxd4 22. Bxd4 Rxd4 23. Rxd4 Bc5 24. Qd2 Qb6 25. Rd3 Bc6 26. Kf1 Bxf2 27. Qxf2 Qc7 28. Qd4 h6 29. h3 Rc8 30. Kf2 b5 31. cxb5 axb5 32. Rc3 Qb7 33. a5 Bd5 34. Rxc8+ Qxc8 35. Qb2 Qc5+ 36. Kf1 Qb4 37. Nd3 Qxa5 38. b4 Qa4 39. Ke1 Bc4 40. Nc5 Qa8 41. Qd2 Qd5 42. Qxd5 Nxd5 43. Na6 Nxf4 44. Kf2 Kf8 45. Ne4 Ke7 46. Kg3 g5 47. h4 Ne2+ 48. Kf2 gxh4 49. Nd2 Nd4 50. Ke3 e5 51. Ke4 f6 52. Nxc4 bxc4 0-1

[Event "Brasilia Abertura op"]
[Site "Brasilia"]
[Date "2013.02.22"]
[Round "1"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Valente, Luiz Antonio Araujo"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1802"]
[BlackElo "1748"]
[PlyCount "79"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 Nc6 2. Nf3 d6 3. b3 Bg4 4. e3 e5 5. d3 exf4 6. exf4 Nd4 7. Be2 Qf6 8. Nxd4 Qxd4 9. c3 Qb6 10. Bxg4 Nf6 11. Qe2+ Be7 12. Be3 Qb5 13. c4 Qa5+ 14. Kf2 0-0 15. Bf3 Rfe8 16. Bxb7 Rab8 17. Bc6 Red8 18. Nd2 d5 19. cxd5 Nxd5 20. Nc4 Qa6 21. Bxd5 Rxd5 22. Rhd1 Rbd8 23. Kg1 Bf6 24. Ne5 h6 25. Rac1 Bxe5 26. fxe5 Rxe5 27. Qf2 Rxd3 28. Re1 Qg6 29. Bxa7 Rf5 30. Qe2 Rg5 31. Rxc7 Rh3 32. Kh1 Rh4 33. Rc8+ Kh7 34. Rc4 Rhh5 35. Re4 Qd6 36. Bg1 Qg3 37. Re3 Qd6 38. Qd3+ Qxd3 39. Rxd3 Rg6 40. g3 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.12"]
[Round "7"]
[White "Barbosa, Flavio Novais"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1/2-1/2"]
[ECO "A52"]
[BlackElo "1802"]
[PlyCount "53"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 Nc6 6. Ngf3 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Be2 d6 10. Bxe5 Bxd2+ 11. Qxd2 Qxe5 12. Qd4 Qxd4 13. exd4 0-0 14. Kd2 Bf5 15. Bd3 Bxd3 16. Kxd3 Rfe8 17. Rhe1 Kf8 18. Rad1 Re6 19. d5 Rh6 20. h3 Re8 21. Kd4 Rh4+ 22. Kd3 Rf4 23. Rxe8+ Kxe8 24. Re1+ Kd7 25. f3 c5 26. Re4 Rf5 27. Ke3 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.11"]
[Round "5"]
[White "Cordeiro Silva, Marcos Antonio"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1/2-1/2"]
[ECO "B15"]
[BlackElo "1802"]
[PlyCount "115"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 e6 6. c4 Bb4+ 7. Bd2 Qa5 8. a3 Bxd2+ 9. Qxd2 Qxd2+ 10. Kxd2 0-0 11. Bd3 Rd8 12. Nf3 Nbd7 13. Rad1 b6 14. b4 Bb7 15. h4 c5 16. dxc5 bxc5 17. b5 Nb6 18. Kc2 Ng4 19. Rdf1 Bxf3 20. gxf3 Ne5 21. Rd1 Nbxc4 22. Bxc4 Nxc4 23. Rxd8+ Rxd8 24. Kb3 Nd2+ 25. Kc3 Nxf3 26. a4 Rd4 27. Ra1 Rxh4 28. a5 Rd4 29. b6 Rd7 30. a6 Ne5 31. b7 Nc6 32. Rb1 Nb8 33. Ne4 Rd5 34. Rb5 Kf8 35. Nxc5 Ke7 36. Kc4 Kd8 37. Rb3 Kc7 38. f4 g6 39. Rb5 Kc6 40. Kb4 Nxa6+ 41. Ka5 Rxc5 42. Rxc5+ Kxb7 43. Rb5+ Kc6 44. Kxa6 h5 45. Rb3 Kd6 46. Rd3+ Ke7 47. Kxa7 Kf6 48. Kb7 Kf5 49. Rf3 Kg4 50. Rf1 h4 51. Kc7 f6 52. Kd6 e5 53. fxe5 fxe5 54. Kxe5 h3 55. Rg1+ Kf3 56. Rxg6 h2 57. Rf6+ Kg3 58. Rg6+ 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.11"]
[Round "6"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Fier, Luciano dos Santos"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1802"]
[BlackElo "1992"]
[PlyCount "30"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 e6 6. Nbd2 Be7 7. Bd3 b6 8. Ne5 Bd7 9. Ndf3 Ne4 10. Nxd7 Qxd7 11. Bb5 f6 12. Qa4 Rc8 13. Ba6 Ra8 14. Bb5 Rc8 15. Ba6 Ra8 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.10"]
[Round "3"]
[White "Da Silva Filho, Manoel Barbosa"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1830"]
[BlackElo "1802"]
[PlyCount "80"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Nc3 Bf5 6. Bb5 e6 7. 0-0 Bd6 8. Re1 Nge7 9. a3 0-0 10. Be3 Rc8 11. Na4 Qa5 12. Bxc6 Rxc6 13. c3 b5 14. Nc5 Bxc5 15. dxc5 Bg4 16. Qd2 Bxf3 17. gxf3 Qa4 18. Qd4 Qc2 19. Rab1 e5 20. Qxe5 Qg6+ 21. Kh1 Re6 22. Rg1 Rxe5 23. Rxg6 fxg6 24. f4 Re4 25. Ra1 Nf5 26. Re1 Rfe8 27. c6 Rc4 28. Rd1 Rxc6 29. Bxa7 Rd6 30. b3 Re4 31. Bc5 Rd7 32. c4 bxc4 33. b4 c3 34. a4 c2 35. Rc1 Rc4 36. a5 d4 37. a6 d3 38. a7 Rd8 39. Be3 Nxe3 40. fxe3 d2 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.10"]
[Round "4"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Pinto, Rendrex Lopes"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1802"]
[BlackElo "1946"]
[PlyCount "90"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. e3 cxd4 4. exd4 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 d6 8. Re1 Nc6 9. c3 e5 10. dxe5 dxe5 11. Qa4 Re8 12. Nbd2 Qc7 13. Ne4 Nxe4 14. Rxe4 Bf5 15. Re1 Qb6 16. Qb3 Qxb3 17. axb3 a5 18. Be3 Be6 19. Nd2 f5 20. Bb6 e4 21. Bf1 Ne5 22. Bxa5 Bh6 23. f4 exf3 24. Rxe5 Bxd2 25. Bb5 Bd7 26. Rxe8+ Bxe8 27. Bxe8 Be3+ 28. Kf1 Rxe8 29. Rd1 b6 30. Bb4 g5 31. c4 Kf7 32. Rd7+ Kf6 33. Bc3+ Kg6 34. Rg7+ Kh5 35. Rxh7+ Kg4 36. Be1 f4 37. h3+ Kf5 38. g4+ Ke4 39. Rd7 Rh8 40. Re7+ Kd3 41. Rd7+ Kc2 42. h4 gxh4 43. Bc3 Ra8 44. Re7 Ra1+ 45. Be1 f2 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.09"]
[Round "2"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Branchini, Fernando Luis Sakam"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1802"]
[BlackElo "1976"]
[PlyCount "104"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. e3 Bg7 4. g3 0-0 5. Bg2 d5 6. 0-0 b6 7. Nbd2 Bb7 8. b3 c5 9. a4 Nc6 10. Ba3 Ne4 11. Bb2 Rc8 12. Nxe4 dxe4 13. Ne5 Nxe5 14. dxe5 Qc7 15. c4 Rfd8 16. Qc2 Bxe5 17. Rad1 f5 18. Rd2 Rxd2 19. Qxd2 Bxb2 20. Qxb2 Rd8 21. h4 Qd6 22. Bh3 Qf6 23. Qc2 Rd3 24. Bg2 Qc3 25. Qxc3 Rxc3 26. Rb1 Kf7 27. Rb2 Bc6 28. Bf1 Rc1 29. Kg2 e5 30. Be2 f4 31. gxf4 exf4 32. exf4 e3+ 33. Bf3 Bxf3+ 34. Kxf3 exf2 35. Kxf2 Rc3 36. Rd2 Ke6 37. Re2+ Kf6 38. Rd2 Rxb3 39. Rd7 Rb4 40. Rxa7 Rxc4 41. Ra6 Kf5 42. Kg3 Rxf4 43. Rxb6 Rxa4 44. Rb7 Ra3+ 45. Kg2 h5 46. Rc7 Kg4 47. Rxc5 Kxh4 48. Rc2 g5 49. Kh2 g4 50. Kg1 g3 51. Rc5 Kg4 52. Rc4+ Kh3 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.09"]
[Round "1"]
[White "Silva, Darcy Antonio1111"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1543"]
[BlackElo "1802"]
[PlyCount "108"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. e3 Bf5 4. Nf3 c5 5. d5 Nbd7 6. c4 g5 7. Nxg5 Bg7 8. Nc3 Qb6 9. Qb3 h6 10. Nf3 Nh5 11. Bg3 Ndf6 12. Nh4 Nxg3 13. hxg3 Bh7 14. Be2 Qxb3 15. axb3 Ne4 16. Rc1 0-0 17. Nf3 a6 18. Nd2 Nf6 19. Bf3 Rab8 20. 0-0 Nd7 21. Rfe1 Ne5 22. Be2 Rfe8 23. Nf3 Nd7 24. Ra1 Red8 25. Red1 Kf8 26. Bd3 Bxd3 27. Rxd3 b5 28. Rxa6 bxc4 29. bxc4 Rxb2 30. Nb5 Rb1+ 31. Kh2 Rb2 32. Rd2 Rb4 33. Rc2 Nf6 34. Nd2 Ng4+ 35. Kg1 Ne5 36. Kf1 Nd3 37. Ke2 Ne5 38. Ra7 Bf6 39. Ne4 Bg7 40. Nd2 Bf6 41. f4 Nd7 42. Rca2 Nb6 43. Kd3 Nxd5 44. Ra8 Rxa8 45. Rxa8+ Kg7 46. e4 Nb6 47. Ra6 Nxc4 48. Nxc4 Rxb5 49. e5 dxe5 50. Nxe5 Bxe5 51. fxe5 Rb3+ 52. Kc4 Rxg3 53. Kxc5 Rxg2 54. Ra7 e6 0-1

[Event "BRA-ch sf-A"]
[Site "Guarapari"]
[Date "2012.11.03"]
[Round "6"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Andor, Jorge"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1849"]
[BlackElo "1869"]
[PlyCount "126"]
[EventDate "2012.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 d6 3. d3 g6 4. g3 Bg7 5. Bg2 Nc6 6. 0-0 e6 7. c3 Nge7 8. Na3 a6 9. Be3 0-0 10. Qd2 b5 11. Bh6 Rb8 12. Bxg7 Kxg7 13. Rfe1 Bb7 14. Rad1 Qc7 15. d4 Rbd8 16. d5 exd5 17. exd5 Nb8 18. Ng5 h6 19. Nh3 Nf5 20. Nc2 Rde8 21. Ne3 Bc8 22. Nf4 Re7 23. Re2 Rfe8 24. Rde1 Nxe3 25. Rxe3 Bf5 26. h3 h5 27. Rxe7 Rxe7 28. Re3 Qd8 29. Qe2 Kf8 30. f3 Rxe3 31. Qxe3 Qe7 32. Kf2 Nd7 33. g4 hxg4 34. Qxe7+ Kxe7 35. fxg4 Bb1 36. a3 g5 37. Ne2 Nb6 38. b3 Kf6 39. Ke3 Ke5 40. Kd2 Bg6 41. Ng3 Nxd5 42. Ne2 Be4 43. Bf1 Nf4 44. Ke3 Bd3 45. Nxf4 Bxf1 46. Nh5 Bxh3 47. Kf3 f5 48. gxf5 Bxf5 49. Ke3 a5 50. Ng3 d5 51. b4 axb4 52. axb4 cxb4 53. cxb4 d4+ 54. Kd2 Bg6 55. Ne2 Kd5 56. Ng1 g4 57. Ne2 Kc4 58. Kd1 Be4 59. Kd2 Bf3 60. Nc1 g3 61. Ke1 Kxb4 62. Nd3+ Kc3 63. Ne5 Be4 0-1

[Event "BRA-ch sf-A"]
[Site "Guarapari"]
[Date "2012.11.03"]
[Round "5"]
[White "Dibai, Jerry"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1809"]
[BlackElo "1849"]
[PlyCount "124"]
[EventDate "2012.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Nc6 4. 0-0 Bf5 5. d3 e5 6. Nbd2 Bd6 7. c4 d4 8. Nh4 Bg6 9. a3 Qd7 10. b4 0-0 11. Nxg6 hxg6 12. c5 Be7 13. Nc4 Qe6 14. Bd2 Nd5 15. Qb3 Nf6 16. Rab1 Nd8 17. e3 dxe3 18. Nxe3 c6 19. Rfe1 Qxb3 20. Rxb3 Nd7 21. Nc4 f6 22. d4 Nf7 23. f4 Rfe8 24. dxe5 fxe5 25. fxe5 Ng5 26. Bxg5 Bxg5 27. h4 Bh6 28. e6 Re7 29. Nd6 Nf6 30. Nxb7 Rae8 31. Bxc6 Rxe6 32. Rxe6 Rxe6 33. Bf3 Re1+ 34. Kg2 Be3 35. Nd6 Kf8 36. Ne4 Nxe4 37. Bxe4 Bxc5 38. bxc5 Rxe4 39. Rc3 Ke8 40. c6 Kd8 41. c7+ Kc8 42. Kf3 Ra4 43. Kg2 Rg4 44. Kh3 Ra4 45. Rc6 Rxa3 46. Rxg6 Kxc7 47. Rxg7+ Kd8 48. h5 Ke8 49. h6 Kf8 50. Rb7 Kg8 51. Kh4 Ra4+ 52. g4 a5 53. Kh5 Rb4 54. Ra7 a4 55. g5 Rb5 56. Rxa4 Kh7 57. Ra7+ Kh8 58. Rf7 Kg8 59. Rd7 Rc5 60. h7+ Kh8 61. Kh6 Rc6+ 62. g6 Rxg6+ 1/2-1/2

[Event "BRA-ch sf-A"]
[Site "Guarapari"]
[Date "2012.11.02"]
[Round "3"]
[White "Carvalho, Welliton"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "1760"]
[BlackElo "1849"]
[PlyCount "71"]
[EventDate "2012.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. d3 e5 6. Be3 Be6 7. Qd2 Qa5 8. Nge2 Be7 9. h3 b5 10. Nd5 Qxd2+ 11. Bxd2 Bxd5 12. exd5 Nd4 13. Nxd4 cxd4 14. f4 Nh5 15. fxe5 dxe5 16. d6 Rc8 17. dxe7 Nxg3 18. Rg1 Rxc2 19. Rc1 Rxc1+ 20. Bxc1 Kxe7 21. Bc6 Rc8 22. Rxg3 Rxc6 23. Kd1 g6 24. h4 f5 25. Bg5+ Ke6 26. Rg2 f4 27. Bh6 Kf5 28. Rg5+ Kf6 29. Rg2 Kf5 30. Rg5+ Kf6 31. Rg2 a5 32. a3 a4 33. Kd2 Kf5 34. Rg5+ Kf6 35. Rg2 Kf5 36. Rg5+ 1/2-1/2

[Event "BRA-ch sf-A"]
[Site "Guarapari"]
[Date "2012.11.02"]
[Round "4"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Marques, Joham Matheus"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1849"]
[BlackElo "1761"]
[PlyCount "93"]
[EventDate "2012.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. e3 c6 4. Bd3 Bg4 5. Nbd2 Nbd7 6. 0-0 e5 7. dxe5 Nxe5 8. Be2 Nxf3+ 9. Nxf3 Bd6 10. h3 Bh5 11. c4 0-0 12. cxd5 Nxd5 13. e4 Nf4 14. Bxf4 Bxf4 15. g3 Bc7 16. Qxd8 Raxd8 17. Rad1 Rfe8 18. Rxd8 Rxd8 19. Rd1 Rxd1+ 20. Bxd1 Kf8 21. g4 Bg6 22. Bc2 f6 23. Nh4 Bf7 24. b3 g6 25. Kg2 Ke7 26. Nf3 Bf4 27. Ne1 a5 28. Nd3 Bc7 29. f4 g5 30. fxg5 fxg5 31. Kf3 h5 32. a4 hxg4+ 33. hxg4 Kf6 34. Ke3 Be6 35. Bd1 Bb6+ 36. Kd2 Bd4 37. Kc2 b5 38. axb5 cxb5 39. Kd2 a4 40. bxa4 bxa4 41. Bxa4 Bxg4 42. Ne1 Ke5 43. Kd3 Bh5 44. Bc2 g4 45. Bd1 Bg6 46. Bxg4 Bxe4+ 47. Ke2 1/2-1/2

[Event "BRA-ch sf-A"]
[Site "Guarapari"]
[Date "2012.11.01"]
[Round "2"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Abreu, Guilherme Correa"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1849"]
[BlackElo "2085"]
[PlyCount "55"]
[EventDate "2012.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bf5 4. Bd3 Bxd3 5. cxd3 e6 6. 0-0 Be7 7. Qb3 Nbd7 8. Qxb7 0-0 9. Ne5 Nxe5 10. dxe5 Nd7 11. d4 Nb6 12. b3 Qd7 13. Qa6 c5 14. dxc5 Bxc5 15. Ba3 Bxa3 16. Qxa3 Qc7 17. Qb2 Nd7 18. f4 Rfc8 19. Na3 Qc5 20. Rfe1 Qb4 21. Nc2 Qd2 22. Rac1 Nc5 23. Rcd1 Qa5 24. b4 Qa4 25. Qa3 Qa6 26. b5 Qxb5 27. Nd4 Qd7 28. Rc1 0-1

[Event "BRA-ch sf-A"]
[Site "Guarapari"]
[Date "2012.11.01"]
[Round "1"]
[White "Rocha, Jorge Wilson"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2221"]
[BlackElo "1849"]
[PlyCount "53"]
[EventDate "2012.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 h5 7. Bd3 Bxd3 8. Qxd3 Qa5+ 9. c3 Nd7 10. Nd2 c5 11. 0-0 cxd4 12. cxd4 Qa6 13. Qxa6 bxa6 14. Nf3 Ne7 15. Bd2 Rb8 16. b3 Nc6 17. Rfc1 Rc8 18. Rc2 Be7 19. Rac1 Ndb8 20. b4 g6 21. a3 Kd7 22. Ne2 f6 23. Bf4 fxe5 24. Bxe5 Rhg8 25. Bxb8 Nxb8 26. Ne5+ Kd6 27. Rxc8 1-0

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2012.10.28"]
[Round "5"]
[White "Da Costa, Kerginaldo Brito"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1812"]
[BlackElo "1871"]
[PlyCount "101"]
[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. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Nf3 Be7 8. Nc3 Nd7 9. Bg5 Nh6 10. 0-0-0 Nb6 11. Bxe7 Qxe7 12. Ng5 0-0-0 13. f4 g6 14. Kb1 Rdf8 15. Rde1 Nf5 16. Nd1 Qb4 17. c3 Qe7 18. Ne3 Nxe3 19. Rxe3 Nc4 20. Re2 Kb8 21. Rhe1 Rc8 22. g3 Qc7 23. b3 Nb6 24. Rc2 Qe7 25. Rd1 Rhd8 26. Kb2 c5 27. dxc5 Rxc5 28. c4 Rdc8 29. Rdc1 dxc4 30. bxc4 Rd8 31. Qa3 Nxc4+ 32. Rxc4 Rb5+ 33. Qb3 Rxb3+ 34. axb3 Qd7 35. Ne4 b5 36. Rb4 a5 37. Nc5 Qd2+ 38. Rc2 axb4 39. Rxd2 Rxd2+ 40. Kc1 Rg2 41. Ne4 Kc7 42. Ng5 Rxg3 43. Nxf7 Rxb3 44. Ng5 Kd7 45. Kc2 Rg3 46. Ne4 Rh3 47. Nf6+ Ke7 48. Kb2 Rxh4 49. f5 gxf5 50. Kb3 f4 51. Ne4 0-1

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2012.10.28"]
[Round "6"]
[White "Marra, Eduardo da Costa"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2259"]
[BlackElo "1871"]
[PlyCount "73"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. Bg2 0-0 6. 0-0 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. Nd2 Be6 11. b4 Qc8 12. b5 Ne7 13. Re1 Rb8 14. b6 c6 15. Nde4 Nxe4 16. Nxe4 Qd7 17. Bg5 f5 18. Nf6+ Bxf6 19. Bxf6 Rf8 20. Bg5 f4 21. e3 fxe3 22. Bxe3 Nf5 23. Qd2 Qf7 24. f4 Nxe3 25. Qxe3 Rbe8 26. fxe5 d5 27. c5 Bf5 28. Rbd1 Qe6 29. d4 Kg7 30. Rd2 Bg4 31. h3 Bxh3 32. Bxh3 Qxh3 33. Rh2 Qg4 34. Qh6+ Kf7 35. e6+ Rxe6 36. Rf2+ Rf6 37. Qxh7# 1-0

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2012.10.27"]
[Round "4"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Montufar Berrios, Eymi Priscila"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1871"]
[BlackElo "1748"]
[PlyCount "61"]
[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. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Bb5 Bd7 6. 0-0 Nf6 7. Nc3 e6 8. Be3 Be7 9. f4 Qb6 10. Nf5 Qc7 11. Nxg7+ Kd8 12. Nh5 Nxh5 13. Qxh5 Nb4 14. Bd3 d5 15. exd5 Bc5 16. Bf2 Bxf2+ 17. Rxf2 Qc5 18. Qe5 Re8 19. d6 Nd5 20. Ne4 Qb6 21. c4 Ne3 22. c5 Qc6 23. Nf6 Rf8 24. Qxe3 Kc8 25. a4 a6 26. b4 Kb8 27. b5 axb5 28. Bxb5 Qc8 29. Nxd7+ Ka7 30. c6+ b6 31. Qxb6# 1-0

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2012.10.27"]
[Round "3"]
[White "Silva, Lairson Ferreira"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1800"]
[BlackElo "1871"]
[PlyCount "51"]
[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 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Re1 Nc6 7. Nbd2 e5 8. e4 dxe4 9. Nxe4 Nxe4 10. Rxe4 f5 11. Re1 f4 12. Nd2 fxg3 13. hxg3 Qd4 14. Ne4 Bf5 15. c3 Qd7 16. Nc5 Qc8 17. Qb3+ Kh8 18. Qxb7 Qxb7 19. Nxb7 Nd8 20. Nd6 Rb8 21. Nxf5 gxf5 22. Rb1 f4 23. gxf4 exf4 24. d4 f3 25. Bh3 Rb6 26. Be3 1-0

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2012.10.26"]
[Round "2"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Campelo, Leandro Fabricio"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1871"]
[BlackElo "2256"]
[PlyCount "86"]
[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 Nf6 2. d4 g6 3. e3 Bg7 4. Bd3 d6 5. Nbd2 Nbd7 6. 0-0 0-0 7. e4 e5 8. c3 b6 9. Re1 Bb7 10. Qc2 Nh5 11. Nf1 h6 12. Ng3 Nf4 13. Be3 Nxd3 14. Qxd3 Qe7 15. d5 a5 16. Rad1 Nc5 17. Qd2 Kh7 18. c4 Bc8 19. Qc2 Bd7 20. b3 Kh8 21. Qc1 Kh7 22. Qc2 Rg8 23. h3 Raf8 24. Bxc5 bxc5 25. a4 f5 26. Qc3 Ra8 27. Kh2 f4 28. Nf1 g5 29. g4 h5 30. gxh5 g4 31. hxg4 Bxg4 32. N1d2 Bh6 33. Kg2 Bxf3+ 34. Kxf3 Qh4 35. Ke2 f3+ 36. Nxf3 Qxe4+ 37. Kf1 Qg4 38. Qd3+ Kh8 39. Qe4 Qh3+ 40. Ke2 Rg4 41. Qc2 Rf8 42. Qc3 Re4+ 43. Kd3 Rxf3+ 0-1

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2012.10.26"]
[Round "1"]
[White "Santana Magalhaes, Amanda Borges Matos"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "C27"]
[BlackElo "1871"]
[PlyCount "20"]
[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. e4 e5 2. Bc4 Nf6 3. Nc3 Bc5 4. Nh3 0-0 5. b3 Bd4 6. Bb2 Nxe4 7. f3 Ng5 8. Nxg5 Qxg5 9. Ne4 Qxg2 10. Ng3 Qf2# 0-1

[Event "Rio Verde Fexeg Cup"]
[Site "Rio Verde"]
[Date "2012.10.21"]
[Round "5"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Da Silva, Alexandre Mota"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1871"]
[BlackElo "1824"]
[PlyCount "30"]
[EventDate "2012.10.19"]
[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. d4 e6 3. e3 d5 4. Bd3 c5 5. c3 Nc6 6. 0-0 cxd4 7. exd4 Be7 8. Qc2 Qc7 9. Re1 0-0 10. Bg5 h6 11. Bh4 a6 12. Nbd2 b5 13. a3 Ne8 14. Bg3 Bd6 15. Ne5 Nxe5 0-1

[Event "Rio Verde Fexeg Cup"]
[Site "Rio Verde"]
[Date "2012.10.21"]
[Round "6"]
[White "Raulino, Ana Camila"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1871"]
[PlyCount "54"]
[EventDate "2012.10.19"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3 0-0 9. Qd2 Be6 10. 0-0-0 Nbd7 11. Kb1 a5 12. Na4 Qc7 13. g4 Rfd8 14. h4 Nc5 15. Bb5 Nxa4 16. Bxa4 Qc4 17. g5 Nh5 18. g6 hxg6 19. Bb6 Rdc8 20. Bxa5 Qxa4 21. Rh2 Bxb3 22. axb3 Qxa5 23. Qxa5 Rxa5 24. Rg1 Rca8 25. c4 Ra1+ 26. Kc2 Rxg1 27. Kc3 Rg3 0-1

[Event "Rio Verde Fexeg Cup"]
[Site "Rio Verde"]
[Date "2012.10.20"]
[Round "4"]
[White "De Oliveira, Aquiles Machado"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2068"]
[BlackElo "1871"]
[PlyCount "87"]
[EventDate "2012.10.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nc3 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. e4 d6 6. g3 Be7 7. h3 Bd7 8. Bg2 0-0 9. 0-0 Nxd4 10. Qxd4 c5 11. Qd3 Bc6 12. Bf4 Nh5 13. Be3 Qc7 14. Nd5 Bxd5 15. Qxd5 Nf6 16. Qd3 Rfd8 17. c4 Rab8 18. Rfd1 a6 19. a4 a5 20. Ra3 Nd7 21. f4 b6 22. Qd2 Rbc8 23. Bf3 Nf8 24. Rd3 Ng6 25. b3 Rb8 26. Bg4 Nf8 27. h4 Qb7 28. Bf3 Qc7 29. h5 g6 30. hxg6 Nxg6 31. Rd5 Kg7 32. Qh2 Rg8 33. Rh5 Rh8 34. Kf2 Rbe8 35. Rh1 Nf8 36. f5 Bf6 37. Bh6+ Kg8 38. Qh3 Bd4+ 39. Kg2 Ng6 40. fxg6 fxg6 41. e5 Kf7 42. Bd5+ Ke7 43. Bg5+ Kf8 44. Rf1+ 1-0

[Event "Rio Verde Fexeg Cup"]
[Site "Rio Verde"]
[Date "2012.10.20"]
[Round "3"]
[White "Guimaraes Filho, Denys Camargo"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1806"]
[BlackElo "1871"]
[PlyCount "122"]
[EventDate "2012.10.19"]
[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 c6 2. Nf3 d5 3. e5 Bf5 4. d4 e6 5. Bd3 Ne7 6. 0-0 Nd7 7. Be3 Qb6 8. b3 Bg6 9. Nh4 Bxd3 10. Qxd3 Ng6 11. Nf3 c5 12. c3 Rc8 13. Nbd2 Be7 14. c4 cxd4 15. Bxd4 Bc5 16. cxd5 Bxd4 17. Qxd4 Qxd4 18. Nxd4 exd5 19. Rfe1 0-0 20. e6 fxe6 21. Rxe6 Rf6 22. Rae1 Rxe6 23. Rxe6 Rc1+ 24. Nf1 Rd1 25. Rd6 Nb6 26. Nb5 Kf7 27. Nxa7 d4 28. Rxb6 Nf4 29. Rxb7+ Ke6 30. f3 d3 31. Rb6+ Kd5 32. Rb5+ Ke6 33. Rb6+ Kd5 34. Nb5 Rc1 35. Kf2 Kc5 36. Rd6 Kxb5 37. Ke3 Kc5 38. Rd4 Nxg2+ 39. Kd2 Rxf1 40. Rxd3 Rf2+ 41. Kc3 Nf4 42. b4+ Kc6 43. Rd2 Rxf3+ 44. Kc4 Ne6 45. b5+ Kb7 46. Kb4 Rf4+ 47. Ka5 Rd4 48. Re2 Nc5 49. Re7+ Rd7 50. Re5 Nd3 51. Re3 Nb2 52. Rc3 Rd4 53. b6 Nc4+ 54. Kb5 Nxb6 55. Rc6 Rd5+ 56. Rc5 Rxc5+ 57. Kxc5 Na4+ 58. Kb4 Nb6 59. a3 Nd5+ 60. Kc5 Ne3 61. Kb5 h6 0-1

[Event "Rio Verde Fexeg Cup"]
[Site "Rio Verde"]
[Date "2012.10.19"]
[Round "2"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Franca, Jairo Jr"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1871"]
[BlackElo "1939"]
[PlyCount "54"]
[EventDate "2012.10.19"]
[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. d4 d5 3. e3 e6 4. Bd3 Be7 5. 0-0 0-0 6. Re1 c5 7. c3 b6 8. Nbd2 Bb7 9. e4 cxd4 10. cxd4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Bxe4 13. Rxe4 Nd7 14. Bf4 Nf6 15. Re2 Qd5 16. Re5 Qd7 17. Re2 Rac8 18. Rc1 Qd5 19. a3 h6 20. Rec2 Rxc2 21. Rxc2 Qf5 22. Bg3 Nd5 23. h3 Bf6 24. Be5 Rd8 25. Qc1 Bxe5 26. dxe5 Nf4 27. Rc8 Ne2+ 0-1

[Event "Brasilia Oeste op"]
[Site "Brasilia"]
[Date "2012.10.14"]
[Round "7"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Rezende, Guilherme Vilela"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1871"]
[BlackElo "2046"]
[PlyCount "56"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. e3 d5 3. d4 Nf6 4. Nbd2 e6 5. c3 Be7 6. Bd3 Nbd7 7. 0-0 b6 8. Re1 Bb7 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Bxe4 12. Rxe4 Nf6 13. Re1 0-0 14. Bg5 Qc7 15. dxc5 Qxc5 16. Qc2 Rfd8 17. Rad1 Rd5 18. Rxd5 Qxd5 19. c4 Qc5 20. Be3 Qc7 21. Bg5 Rc8 22. b3 b5 23. Bxf6 gxf6 24. Nd2 f5 25. Re3 Bf6 26. Qd3 Rd8 27. Rg3+ Kf8 28. Qe3 f4 0-1

[Event "Brasilia Oeste op"]
[Site "Brasilia"]
[Date "2012.10.14"]
[Round "6"]
[White "Fontenele, Edson Guilherme Lop"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1871"]
[PlyCount "137"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. a3 c5 6. Bb5+ Nd7 7. c3 a6 8. Bd3 Ne7 9. 0-0 Qb6 10. Nh4 Bg6 11. Nxg6 hxg6 12. Bc2 Nf5 13. Bxf5 gxf5 14. Nd2 cxd4 15. Nf3 dxc3 16. bxc3 Qc7 17. Bf4 Rc8 18. Qb3 b5 19. Rfc1 Nc5 20. Qc2 Ne4 21. Be3 Bc5 22. Qd3 Qb6 23. Nd4 f6 24. exf6 gxf6 25. a4 Qd6 26. h3 f4 27. Bd2 e5 28. axb5 axb5 29. Qxb5+ Kf7 30. Ra6 Qd8 31. Nf3 Bxf2+ 32. Kf1 Bc5 33. Be1 Nd6 34. Qb3 Nc4 35. Qb5 Ne3+ 36. Kg1 e4 37. Rc6 Rxc6 38. Qxc6 exf3 39. Qxc5 fxg2 40. h4 Qe7 41. Qd4 Qe5 42. Qa7+ Kg6 43. Bf2 Ng4 44. Kxg2 Qe4+ 45. Kg1 Ne3 46. Bxe3 fxe3 47. Qd4 Qxd4 48. cxd4 Rxh4 49. Rd1 Kf5 50. Kg2 Rf4 51. Kg3 Ke4 52. Re1 f5 53. Rd1 Rf3+ 54. Kg2 f4 55. Re1 Rf2+ 56. Kg1 Kxd4 57. Rd1+ Ke4 58. Re1 d4 59. Rd1 d3 60. Re1 Kf3 61. Rd1 Ke2 62. Rb1 d2 63. Rb2 Kf3 64. Rb1 Re2 65. Kf1 Re1+ 66. Rxe1 dxe1Q+ 67. Kxe1 Kg2 68. Ke2 f3+ 69. Kxe3 0-1

[Event "Brasilia Oeste op"]
[Site "Brasilia"]
[Date "2012.10.13"]
[Round "5"]
[White "Correa, Lorenna Martins"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1725"]
[BlackElo "1871"]
[PlyCount "80"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Nd2 Ne8 10. b4 f5 11. c5 Nf6 12. f3 f4 13. Nc4 a6 14. a4 g5 15. Ba3 Ne8 16. b5 h5 17. b6 g4 18. bxc7 Qxc7 19. cxd6 Nxd6 20. Bxd6 Qd8 21. fxg4 Bd7 22. gxh5 Rc8 23. Rc1 Rxc4 24. Bxe7 Qxe7 25. Bxc4 Qc5+ 26. Kh1 Qxc4 27. Qe2 Qc8 28. Nb5 Qd8 29. Nc7 Qf6 30. Qc4 Rc8 31. Qb4 b5 32. axb5 axb5 33. d6 Kh8 34. Nd5 Rxc1 35. Rxc1 Qg5 36. Rc7 Qg4 37. Qc5 f3 38. gxf3 Qxf3+ 39. Kg1 Bh3 40. Qf2 Qd1+ 0-1

[Event "Brasilia Oeste op"]
[Site "Brasilia"]
[Date "2012.10.13"]
[Round "4"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Soares, Estevao Luiz"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1871"]
[BlackElo "1975"]
[PlyCount "126"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. e3 Bg7 4. Bd3 d6 5. 0-0 0-0 6. c3 c5 7. Nbd2 Nbd7 8. Re1 b6 9. e4 Bb7 10. d5 Nh5 11. Nf1 Rc8 12. Qa4 a6 13. Bg5 c4 14. Bb1 b5 15. Qd1 b4 16. Qd2 bxc3 17. bxc3 Nc5 18. Nd4 Re8 19. Bc2 Qc7 20. Ng3 Nxg3 21. hxg3 Qa5 22. a4 Rc7 23. Reb1 e6 24. dxe6 Bxe4 25. exf7+ Rxf7 26. Re1 h6 27. Bf4 Qd8 28. Bxh6 Bxc2 29. Bg5 Rxe1+ 30. Rxe1 Qd7 31. Qxc2 Nd3 32. Re2 Be5 33. Nf3 Qc6 34. Nxe5 dxe5 35. Bh6 Rb7 36. Bc1 Qf6 37. Be3 Rb2 38. Qd1 Rb7 39. Qc2 Qh8 40. Qa2 Rb3 41. Qc2 Qg7 42. f4 Qb7 43. Bc1 Rb1 44. Re1 Qb6+ 45. Kf1 Nxe1 46. Kxe1 Qg1+ 47. Kd2 Qxg2+ 48. Kd1 Qf3+ 49. Kd2 Qf2+ 50. Kd1 Qxc2+ 51. Kxc2 Ra1 52. fxe5 Rxa4 53. Bg5 Ra2+ 54. Kb1 Re2 55. Bf4 Kf7 56. Kc1 Ke6 57. Kd1 Rxe5 58. Kd2 Rb5 59. Bh6 a5 60. Bf8 a4 61. Bb4 Kd5 62. Ke3 Rxb4 63. cxb4 a3 0-1

[Event "Brasilia Oeste op"]
[Site "Brasilia"]
[Date "2012.10.12"]
[Round "3"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Junqueira, Leonardo de Faria"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1871"]
[BlackElo "1788"]
[PlyCount "67"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. Bd3 e6 5. Nbd2 c5 6. c4 cxd4 7. exd4 Nc6 8. Qa4 Bxf3 9. Nxf3 Bb4+ 10. Bd2 Bxd2+ 11. Kxd2 0-0 12. c5 Ne4+ 13. Ke2 Qf6 14. Rhe1 Ng5 15. Nxg5 Qxg5 16. Kf1 Qf6 17. Bb5 Nxd4 18. Rad1 Nxb5 19. Qxb5 Rfb8 20. Kg1 Qe7 21. Rxd5 Rd8 22. Rdd1 Rac8 23. b4 g6 24. Qa4 a6 25. Qa5 Kg7 26. Qb6 Qc7 27. Qxc7 Rxd1 28. Qe5+ f6 29. Qxe6 Rcd8 30. Qe7+ Kh6 31. g4 R1d2 32. Re4 R8d4 33. Rxd4 Rxd4 34. Qe3+ 1-0

[Event "Brasilia Oeste op"]
[Site "Brasilia"]
[Date "2012.10.12"]
[Round "2"]
[White "Schossler, Daniel de Azevedo"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1962"]
[BlackElo "1871"]
[PlyCount "94"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 d6 3. e3 Nf6 4. c4 g6 5. Nf3 Bg7 6. d4 exd4 7. Nxd4 0-0 8. Be2 Nbd7 9. Nc3 Re8 10. 0-0 Nc5 11. Qc2 Ne6 12. Nf3 b6 13. Rfd1 Bb7 14. Nd5 Bxd5 15. cxd5 Nc5 16. b4 Ncd7 17. Rac1 Qe7 18. Bb5 Red8 19. Ba6 Ne5 20. Nxe5 dxe5 21. Qc4 Ne8 22. a3 Rab8 23. Qe2 Rd6 24. Bb5 Nf6 25. e4 a5 26. bxa5 bxa5 27. a4 Rdb6 28. Bc3 Ra8 29. Qe1 Rxb5 30. axb5 a4 31. Ba5 Qd7 32. Bxc7 Qxb5 33. Bxe5 a3 34. f3 a2 35. Qc3 Nh5 36. Bxg7 Nxg7 37. d6 Ne6 38. d7 Qb6+ 39. Kh1 Rd8 40. Qf6 Qb3 41. f4 Rf8 42. f5 Nd8 43. h4 Qa4 44. h5 gxh5 45. Rd3 h4 46. Rh3 Qxe4 47. Rxh4 Qe2 1-0

[Event "Brasilia Oeste op"]
[Site "Brasilia"]
[Date "2012.10.11"]
[Round "1"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Rodrigues da Silva, Evandro"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1871"]
[BlackElo "2187"]
[PlyCount "80"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. Bd3 e6 5. Nbd2 Nbd7 6. c3 Bd6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Be7 10. Bf4 Nxe4 11. Bxe4 Nf6 12. Bc2 Rc8 13. Qd3 c5 14. Rfe1 Qb6 15. dxc5 Bxc5 16. Qe2 Rfd8 17. Red1 Bxf3 18. gxf3 Rd5 19. Rxd5 Nxd5 20. Bg3 g6 21. Bb3 Nf6 22. Rd1 Nh5 23. Qd2 Nxg3 24. hxg3 Kg7 25. Kg2 h5 26. Qd7 Rc7 27. Qd2 Rc6 28. Qe2 Bd6 29. f4 Rc5 30. Qd3 Be7 31. Qd4+ Bf6 32. Qd6 Rc6 33. Qd3 Rc5 34. Qd7 Rc7 35. Qd3 Qc6+ 36. f3 Qb6 37. Qd6 Rc6 38. Qd3 a5 39. Rd2 Qc7 40. Qd7 Qb6 0-1

[Event "Recife Arraes Memorial 5th"]
[Site "Recife"]
[Date "2012.09.08"]
[Round "4"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Silva, Carolina Alves"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1890"]
[BlackElo "1684"]
[PlyCount "102"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 0-0 8. 0-0 e6 9. Bb3 a6 10. a4 d6 11. f4 Ng4 12. Nxc6 Qh4 13. Ne7+ Kh8 14. Rf3 Qxh2+ 15. Kf1 Qh1+ 16. Bg1 Nh2+ 17. Kf2 Nxf3 18. Kxf3 Qh5+ 19. Ke3 Qxd1 20. Rxd1 Bd7 21. Rxd6 Rfd8 22. f5 Bf6 23. fxe6 fxe6 24. Bxe6 Bxe7 25. Rxd7 Rxd7 26. Bxd7 Bc5+ 27. Kf4 Bxg1 28. e5 Bh2+ 29. Ke4 Kg8 30. e6 Bd6 31. Nd5 Kf8 32. Nb6 Rb8 33. Kd5 Be7 34. Bc8 Kg7 35. Bd7 h5 36. Nc8 Kf6 37. a5 h4 38. c3 g5 39. Ke4 Bf8 40. Nb6 Rd8 41. Nd5+ Kg7 42. Kf5 Kh6 43. Nf6 Be7 44. Ng4+ Kh5 45. Ne5 Rf8+ 46. Nf7 g4 47. Kf4 g3 48. Kf3 Rg8 49. Ne5 h3 50. Be8+ Kh6 51. Nf7+ Kh7 0-1

[Event "Recife Arraes Memorial 5th"]
[Site "Recife"]
[Date "2012.09.07"]
[Round "3"]
[White "Azevedo Junior, Jose Ferreira"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2056"]
[BlackElo "1890"]
[PlyCount "81"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e3 Nbd7 6. Be2 b6 7. 0-0 Bb7 8. b3 0-0 9. Bb2 Re8 10. Qc2 e5 11. dxe5 Nxe5 12. Nd2 Neg4 13. Rad1 Qe7 14. Bf3 Qe5 15. g3 Bxf3 16. Nxf3 Qh5 17. h4 Nd7 18. Nd5 Ngf6 19. Kg2 Rac8 20. Nf4 Qc5 21. Bxf6 Nxf6 22. Nd5 b5 23. Nxf6+ Bxf6 24. Rd5 Qc6 25. Rxb5 Re5 26. Rxe5 Bxe5 27. Rd1 Re8 28. Rd5 Bg7 29. Qd3 h5 30. Kh2 Re7 31. b4 Qa4 32. Qb3 Qd7 33. c5 Qg4 34. Kg2 Re4 35. cxd6 cxd6 36. Rxd6 Rxb4 37. Rd8+ Bf8 38. Qd5 Kg7 39. Qe5+ f6 40. Qc7+ Kg8 41. Qe7 1-0

[Event "Recife Arraes Memorial 5th"]
[Site "Recife"]
[Date "2012.09.07"]
[Round "2"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Araujo, Sergio Murilo"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1890"]
[BlackElo "2106"]
[PlyCount "84"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. e4 Nf6 4. Bd3 Bg7 5. c3 0-0 6. 0-0 c5 7. Nbd2 cxd4 8. cxd4 Nc6 9. d5 Nb4 10. Bb1 a5 11. a3 Na6 12. Re1 Nc5 13. Nb3 Nfd7 14. Nxc5 Nxc5 15. Nd2 Bd7 16. Nb3 Ba4 17. Bc2 Bxb3 18. Bxb3 Qb6 19. Bc4 Rfc8 20. Qe2 Bd4 21. Rd1 Nd7 22. Rb1 Bxf2+ 23. Kh1 Ne5 24. Ba2 Qc5 25. Rf1 Bd4 26. Rd1 Bf2 27. Bg5 f6 28. Rbc1 Qb6 29. Bf4 Nd7 30. Rc2 Bd4 31. Rdc1 Qd8 32. Qg4 Rxc2 33. Rxc2 Kg7 34. Qe6 a4 35. h4 h5 36. Bb1 Be5 37. Be3 Bg3 38. Rc4 Be1 39. g4 hxg4 40. Rc1 Bxh4 41. Qxg4 Qa5 42. Rg1 Bg5 0-1

[Event "Recife Arraes Memorial 5th"]
[Site "Recife"]
[Date "2012.09.06"]
[Round "1"]
[White "Dantas, Rhuan de Araujo"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1890"]
[PlyCount "150"]
[EventDate "2012.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bd3 Ne7 6. Bg5 Bxd3 7. Qxd3 Nd7 8. 0-0 Qb6 9. Nc3 Nf5 10. b3 h6 11. Be3 Be7 12. Ne2 0-0 13. c4 Qa6 14. Qc2 dxc4 15. bxc4 Nb6 16. c5 Nd5 17. Bc1 Nb4 18. Qb3 Nd5 19. Ng3 Nh4 20. Nxh4 Bxh4 21. Ne4 Be7 22. Nd6 Rab8 23. Qg3 Kh7 24. a4 Nb4 25. Qb3 Nd5 26. f4 Qe2 27. f5 Bxd6 28. exd6 exf5 29. Rxf5 Qe4 30. Rf2 Qxd4 31. Qc2+ f5 32. Bb2 Qe4 33. Qb3 f4 34. Qh3 Rbd8 35. Qg4 Qg6 36. Qf3 Rfe8 37. h4 Re3 38. Qd1 Rg3 39. h5 Qe4 40. Qd4 Qxd4 41. Bxd4 Rg5 42. Rb1 Rd7 43. Rfb2 b6 44. cxb6 axb6 45. Bxb6 Rxd6 46. Rd1 Nxb6 47. Rxd6 Nc4 48. Rbd2 Nxd2 49. Rxd2 Rxh5 50. Rd4 Rf5 51. Rc4 g5 52. Rxc6 Ra5 53. Rc4 Kg6 54. Rb4 Kh5 55. Kh2 Ra6 56. Kh3 g4+ 57. Kh2 Rf6 58. Rb5+ Kh4 59. a5 Ra6 60. Rb6 Rxa5 61. Rxh6+ Kg5 62. Rh8 Ra6 63. Rb8 Rh6+ 64. Kg1 Rd6 65. Rg8+ Kh4 66. Rh8+ Kg3 67. Re8 Rd2 68. Kf1 Rxg2 69. Ra8 f3 70. Ra3 Rb2 71. Ra1 Kh2 72. Ra3 Kg3 73. Ra1 Rh2 74. Kg1 f2+ 75. Kf1 Rh1+ 0-1

[Event "Anapolis Interior-ch"]
[Site "Anapolis"]
[Date "2012.08.05"]
[Round "6"]
[White "Campos, Otavio Moraes"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1812"]
[BlackElo "1900"]
[PlyCount "122"]
[EventDate "2012.08.03"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. c3 Bd6 8. Bd3 Ne7 9. Bg5 Qb6 10. Bxg6 hxg6 11. Qe2 Nd7 12. Ne4 Qc7 13. Nxd6+ Qxd6 14. 0-0-0 Nf6 15. Ne5 Qd5 16. Qf3 Qxf3 17. Nxf3 Ng4 18. Rd2 f6 19. Bf4 g5 20. Bd6 Nf5 21. Bb4 a5 22. Bc5 Kf7 23. h3 Ngh6 24. Re1 g4 25. hxg4 Nxg4 26. Rde2 Rae8 27. b3 b5 28. a4 g5 29. axb5 cxb5 30. Bb6 a4 31. bxa4 bxa4 32. Bc5 Ng7 33. Kc2 Rc8 34. Ra1 Ra8 35. c4 Rhc8 36. Kc3 e5 37. Bb6 Rab8 38. Rb1 Rc6 39. c5 exd4+ 40. Nxd4 Rxc5+ 41. Bxc5 Rxb1 42. f3 Ne5 43. Ra2 Rc1+ 44. Rc2 Rxc2+ 45. Kxc2 Ne6 46. Nxe6 Kxe6 47. Kc3 Kd5 48. Bf8 Ng6 49. Ba3 Nh4 50. g3 Nxf3 51. Be7 f5 52. Kb4 Ke4 53. Kxa4 g4 54. Kb3 Nd2+ 55. Kc2 Nf1 56. Bd6 Kf3 57. Kd1 Nxg3 58. Ke1 f4 59. Bc5 Kg2 60. Bd6 f3 61. Bc5 Ne4 0-1

[Event "Anapolis Interior-ch"]
[Site "Anapolis"]
[Date "2012.08.05"]
[Round "5"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Silva, Gustavo Queiroz Dos"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1900"]
[BlackElo "1903"]
[PlyCount "94"]
[EventDate "2012.08.03"]
[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. d4 g6 3. e3 Bg7 4. Bd3 0-0 5. 0-0 d6 6. Nbd2 Nbd7 7. c3 e5 8. Re1 Qe7 9. Qc2 b6 10. e4 Bb7 11. b3 Nh5 12. Nf1 exd4 13. cxd4 c5 14. Be3 cxd4 15. Bxd4 Ne5 16. Nxe5 dxe5 17. Be3 Rac8 18. Qb2 Nf4 19. Bc2 Ba6 20. Ng3 h5 21. Nf1 Bd3 22. Bd1 Bxe4 23. Ng3 Bd5 24. Qd2 Qb7 25. f3 Rfd8 26. Rc1 Rxc1 27. Qxc1 Nd3 28. Qd2 Nxe1 29. Qxe1 Qa6 30. Qd2 Bf6 31. Be2 Qb7 32. Qc2 Qc6 33. Qb1 h4 34. Nf1 Be7 35. Bd3 Bc5 36. Bxc5 Qxc5+ 37. Kh1 Kg7 38. h3 Qf2 39. Nh2 Qd2 40. Bf1 f5 41. Qa1 Kf6 42. Bb5 Rc8 43. Qg1 Rc1 44. Nf1 Qd4 45. Qh2 f4 46. Bc4 Bxc4 47. bxc4 Rxf1+ 0-1

[Event "Anapolis Interior-ch"]
[Site "Anapolis"]
[Date "2012.08.04"]
[Round "3"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Silva, Rafael Henrique Gom"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1900"]
[BlackElo "1800"]
[PlyCount "73"]
[EventDate "2012.08.03"]
[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. d4 d5 3. e3 Bf5 4. Nbd2 e6 5. c4 Bb4 6. Qa4+ Nc6 7. Ne5 Bxd2+ 8. Bxd2 Qd6 9. c5 Qd8 10. Nxc6 bxc6 11. Qxc6+ Ke7 12. Ba5 Ne8 13. Bb5 Rb8 14. a4 Kf6 15. 0-0 g6 16. f3 Kg7 17. e4 dxe4 18. Bc3 Qd5 19. Qa6 exf3 20. Bc4 Qb7 21. d5+ f6 22. Qxb7 Rxb7 23. Rxf3 Be4 24. Re3 exd5 25. Bb5 Rf8 26. Rf1 Rb8 27. g4 g5 28. Bd4 Kg6 29. Bd7 Ng7 30. h3 a6 31. Rf2 Rf7 32. c6 Rb4 33. Ba7 Re7 34. Bc5 Rxd7 35. cxd7 Rb7 36. Be7 Ne6 37. Rxf6+ 1-0

[Event "Anapolis Interior-ch"]
[Site "Anapolis"]
[Date "2012.08.04"]
[Round "4"]
[White "De Melo, Raissa Vieira"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1444"]
[BlackElo "1900"]
[PlyCount "100"]
[EventDate "2012.08.03"]
[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 0-0 6. Be2 b6 7. d5 Bg4 8. Nd2 Qc8 9. Rb1 e5 10. Bxg4 Nxg4 11. b4 f5 12. h3 Nf6 13. 0-0 f4 14. Nf3 Bh6 15. Nh4 Bg7 16. a4 a5 17. bxa5 Rxa5 18. Re1 Na6 19. Ba3 Nb8 20. Bb4 Ra8 21. Ra1 Na6 22. Qb3 Nd7 23. a5 Nac5 24. Bxc5 Nxc5 25. Qb5 bxa5 26. Rxa5 Rxa5 27. Qxa5 Nb3 28. Qa2 Nd4 29. Nb5 Nxb5 30. cxb5 Qd7 31. Qc2 Bf6 32. Nf3 Bd8 33. Qc6 Qe7 34. Ra1 h5 35. h4 Qe8 36. Qxe8 Rxe8 37. Ng5 Bxg5 38. hxg5 Rb8 39. Rc1 Rb7 40. Rc6 Kf7 41. b6 cxb6 42. Rxd6 b5 43. Rc6 b4 44. Rc1 b3 45. Rb1 Ke7 46. Kf1 Kd6 47. Ke2 Kc5 48. Kd3 Kb4 49. Kd2 Ra7 50. Kc1 Kc3 0-1

[Event "Anapolis Interior-ch"]
[Site "Anapolis"]
[Date "2012.08.03"]
[Round "2"]
[White "Da Silva, Alexandre Mota"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1823"]
[BlackElo "1900"]
[PlyCount "39"]
[EventDate "2012.08.03"]
[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. Qc2 Nbd7 5. Bf4 Qb6 6. c5 Qa5 7. e3 e6 8. Bd3 Be7 9. Nf3 0-0 10. 0-0 Re8 11. a3 b5 12. b4 Qd8 13. e4 dxe4 14. Nxe4 Nd5 15. Bg3 N7f6 16. Ne5 Bd7 17. Ng5 g6 18. Ngxf7 Qc8 19. Bxg6 Rf8 20. Bxh7+ 1-0

[Event "Anapolis Interior-ch"]
[Site "Anapolis"]
[Date "2012.08.03"]
[Round "1"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Ramos, Wagner Antonio"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1900"]
[BlackElo "1780"]
[PlyCount "78"]
[EventDate "2012.08.03"]
[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. Nf3 Nf6 3. Bf4 Bg4 4. Nbd2 e6 5. Ne5 Bf5 6. e3 Nbd7 7. Ndf3 Ne4 8. Nxd7 Qxd7 9. Ne5 Qd8 10. Bd3 f6 11. Bb5+ c6 12. Nxc6 bxc6 13. Bxc6+ Kf7 14. Bxa8 Qxa8 15. 0-0 Be7 16. f3 Nd6 17. Bxd6 Bxd6 18. f4 Rc8 19. c3 Qb7 20. Rf2 Be4 21. a4 a5 22. g4 Kg8 23. h4 Qf7 24. h5 f5 25. g5 Be7 26. Qe2 Qe8 27. Rh2 Rc4 28. Qd1 Qb8 29. Rc1 Rc6 30. Ra1 Rc4 31. Rd2 Bxg5 32. Qf1 Bf6 33. Qd1 Kh8 34. Rh2 Rc7 35. Ra3 Rb7 36. Ra2 Rb3 37. Kf1 Be7 38. Rd2 Bd6 39. Rf2 Kg8 1/2-1/2

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.22"]
[Round "5"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Santos, Luciano da Silva"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1923"]
[BlackElo "1910"]
[PlyCount "120"]
[EventDate "2012.04.20"]
[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 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. 0-0 Bd6 6. c4 c6 7. cxd5 exd5 8. Nc3 0-0 9. Bg5 Qe8 10. Bxf6 Rxf6 11. e3 Nd7 12. Nh4 g5 13. Nf3 Qh5 14. h4 g4 15. Ne1 b6 16. Nxd5 Rh6 17. Nd3 Ba6 18. N3f4 Bxf4 19. Nxf4 Qe8 20. Qb3+ Kh8 21. Rfc1 Rc8 22. Qc2 Qf8 23. Qb3 Qe8 24. Qc3 Kg8 25. d5 c5 26. Rd1 Qe5 27. Qa3 Nb8 28. Rd2 Rd8 29. Rad1 Rhd6 30. b3 R8d7 31. Qc1 Kh8 32. Qc2 Bc8 33. Nd3 Qe8 34. Qb2+ Kg8 35. Ne5 Rg7 36. Nc4 Rd8 37. Ne5 Rd6 38. Nc4 Rd8 39. Qc3 Qf7 40. a4 Bb7 41. Qc2 Na6 42. d6 Bxg2 43. Kxg2 Nb4 44. Qb2 Qe6 45. Qe5 Qd7 46. Qf4 Qe6 47. Qe5 Qd7 48. e4 fxe4 49. Qxe4 Re8 50. Ne5 Qe6 51. d7 Rd8 52. Qc4 Qxc4 53. bxc4 h5 54. Rd6 Re7 55. Ng6 Re4 56. Nf4 Kf7 57. Nxh5 Nc2 58. Nf4 Nd4 59. h5 Ke7 60. Rd5 Kf6 1/2-1/2

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.22"]
[Round "6"]
[White "Okada, William Kenji"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "1788"]
[BlackElo "1923"]
[PlyCount "121"]
[EventDate "2012.04.20"]
[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 d6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. Nc3 Re8 7. 0-0 Nc6 8. Bf4 Nh5 9. Bg5 h6 10. Bc1 e5 11. e3 Bg4 12. h3 Bxf3 13. Bxf3 exd4 14. exd4 Nf6 15. Be3 Qd7 16. Bg2 Re7 17. Qd3 Rb8 18. Rad1 a6 19. Ne2 Ne4 20. Nf4 Nd8 21. Nd5 Re8 22. Qc2 Ng5 23. h4 Nh7 24. Qd2 h5 25. Bh6 c6 26. Nb6 Qc7 27. c5 Bxh6 28. Qxh6 d5 29. Rfe1 Ne6 30. Bh3 Nhf8 31. Re5 Ng7 32. Rde1 Rxe5 33. Rxe5 Re8 34. Rxe8 Nxe8 35. Qg5 Kg7 36. b4 Nf6 37. Nc8 N8h7 38. Qe3 Ne4 39. Nd6 Nhf6 40. Qf4 Qe7 41. Nc8 Qe8 42. f3 Nc3 43. Qd2 Nb5 44. a4 Na3 45. Nd6 Qe7 46. Qd3 Qe1+ 47. Kh2 Qf2+ 48. Bg2 Nc2 49. Qf1 Qxd4 50. Nxb7 Nxb4 51. Qe2 Nd3 52. Qe7 Ne5 53. Nd8 Qd2 54. Qxe5 Qd3 55. Qe7 Qf5 56. Qxf7+ Kh6 57. Qf8+ Kh7 58. Qe7+ Kh8 59. Ne6 Ng4+ 60. fxg4 Qe5 61. Qe8+ 1-0

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.21"]
[Round "3"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Freitas, Vilmar Rosa de"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1923"]
[BlackElo "1748"]
[PlyCount "65"]
[EventDate "2012.04.20"]
[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 Nge7 4. 0-0 g6 5. d4 exd4 6. Nxd4 Bg7 7. Nxc6 Nxc6 8. Bxc6 bxc6 9. Nc3 d6 10. Be3 Bxc3 11. bxc3 0-0 12. Bh6 Re8 13. Qd4 f6 14. Qc4+ Be6 15. Qxc6 Qe7 16. Be3 Qf7 17. a4 a5 18. Rfb1 Bc4 19. Qb7 Ba6 20. Qc6 Bc4 21. Rb7 Rec8 22. Rab1 Ra6 23. Bb6 Qe6 24. Rxc7 Rxc7 25. Qxc7 Qxe4 26. Ba7 Kh8 27. Qc8+ Kg7 28. Rb7+ Bf7 29. Rxf7+ Kxf7 30. Qxa6 Qe1+ 31. Qf1 Qxc3 32. Qb1 Qc4 33. Qb3 1-0

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.21"]
[Round "4"]
[White "Dos Santos, Olavo Luis"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1635"]
[BlackElo "1923"]
[PlyCount "95"]
[EventDate "2012.04.20"]
[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. Nf3 d6 3. e3 g6 4. Bd3 Bg7 5. Nbd2 0-0 6. h3 Nc6 7. c3 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Ne4 Nxe4 11. Bxe4 Qxd1+ 12. Kxd1 Rd8+ 13. Ke2 f5 14. Bc2 e4 15. Bd2 Be6 16. b3 Rd6 17. Rhd1 Rc6 18. Rac1 Rd8 19. Bb1 Rcd6 20. Be1 Kf7 21. c4 c5 22. Rxd6 Rxd6 23. Rd1 Ke7 24. Rxd6 Kxd6 25. Kd2 b6 26. Kc2 a6 27. Bc3 Be5 28. Bxe5+ Kxe5 29. Kc3 b5 30. a3 bxc4 31. bxc4 a5 32. Bc2 Bd7 33. Bd1 Bc6 34. g3 h6 35. h4 g5 36. hxg5 hxg5 37. Bh5 f4 38. Bg4 Ba4 39. Bc8 Bd1 40. Ba6 Ba4 41. Bb5 Bd1 42. Kd2 fxg3 43. fxg3 Bg4 44. Ke1 Be6 45. Kf2 Kf5 46. Ba6 Ke5 47. Bb5 Kd6 48. Ke2 1/2-1/2

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.20"]
[Round "1"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Franca, Jairo Jr"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1923"]
[BlackElo "1800"]
[PlyCount "89"]
[EventDate "2012.04.20"]
[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. Nf3 g6 3. c4 d6 4. Nc3 Bg7 5. e4 Nc6 6. d5 Ne5 7. Nxe5 dxe5 8. Be2 0-0 9. 0-0 Re8 10. Be3 a6 11. h3 b6 12. Qc2 Bb7 13. Rad1 Qc8 14. c5 Qd8 15. c6 Bc8 16. a4 Rf8 17. b4 Ne8 18. b5 a5 19. Qb3 Nd6 20. Bd3 f5 21. exf5 Bxf5 22. Qc2 Bxd3 23. Qxd3 Kh8 24. Ne4 Nf5 25. Ng5 Rf6 26. Ne6 Qc8 27. Bg5 Rf7 28. Rfe1 Bf6 29. f4 exf4 30. Bxf4 Nd6 31. Be5 Kg8 32. Bxf6 exf6 33. Rf1 Ne8 34. Qd4 Qb8 35. Rf2 f5 36. Qh4 Nf6 37. g4 Ne4 38. Rf3 Nd6 39. Rdf1 Qe8 40. gxf5 Rxf5 41. Rxf5 Nxf5 42. Qf6 Qe7 43. Rxf5 Qc5+ 44. Nxc5 gxf5 45. Ne6 1-0

[Event "Goias zt"]
[Site "Itaborai"]
[Date "2012.04.20"]
[Round "2"]
[White "Mariano, Marceley Martins"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2088"]
[BlackElo "1923"]
[PlyCount "51"]
[EventDate "2012.04.20"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Nb3 Qa3 10. Bxf6 gxf6 11. Qd4 Be7 12. Nb1 e5 13. Qc4 Be6 14. Nxa3 Bxc4 15. Nxc4 Nc6 16. Nb6 Rd8 17. Nd5 Rg8 18. g3 Rc8 19. Bh3 Rd8 20. 0-0 h5 21. Rab1 h4 22. Kg2 hxg3 23. hxg3 Rb8 24. a4 Bd8 25. c3 Ne7 26. Nxf6+ 1-0

[Event "Fortaleza Brazil op 2nd"]
[Site "Fortaleza"]
[Date "2012.04.08"]
[Round "6"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Maia, Jose Eduardo Bastos"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1923"]
[BlackElo "2124"]
[PlyCount "86"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. Bf4 Nf6 4. e3 Be7 5. Bd3 0-0 6. 0-0 c5 7. c3 Nc6 8. Nbd2 a6 9. Ne5 Nxe5 10. Bxe5 Bd7 11. Nf3 c4 12. Bc2 b5 13. Bg3 Ne4 14. Nd2 Nxg3 15. hxg3 f5 16. Nf3 Qc7 17. Kh2 Bd6 18. Rh1 h6 19. Kg1 Be8 20. a3 Rb8 21. Nd2 Bg6 22. f4 Qf7 23. g4 fxg4 24. Bxg6 Qxg6 25. Rh4 h5 26. g3 a5 27. Qe1 b4 28. axb4 axb4 29. e4 bxc3 30. bxc3 Rb2 31. Rh2 Rfb8 32. Re2 Bf8 33. Ra6 Qf7 34. exd5 exd5 35. Ra1 h4 36. Kg2 hxg3 37. Kxg3 Bd6 38. Re5 Bxe5 39. dxe5 Qh5 40. Rd1 Qh3+ 41. Kf2 Rf8 42. Qe3 Qh2+ 43. Kf1 Rxf4+ 0-1

[Event "Fortaleza Brazil op 2nd"]
[Site "Fortaleza"]
[Date "2012.04.08"]
[Round "7"]
[White "De Castro, Cosmo Cavalcante"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B92"]
[BlackElo "1923"]
[PlyCount "44"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. Be2 0-0 9. h3 b5 10. Nd5 Nbd7 11. Nxe7+ Qxe7 12. g4 Bb7 13. f3 Rac8 14. Qd2 Nxe4 15. Qd3 Qh4+ 16. Kd1 Ndc5 17. Nxc5 dxc5 18. Qb3 Rfd8+ 19. Kc1 Ng3 20. Re1 Nxe2+ 21. Rxe2 Bxf3 22. Bf2 Qxf2 0-1

[Event "Fortaleza Brazil op 2nd"]
[Site "Fortaleza"]
[Date "2012.04.07"]
[Round "5"]
[White "Cunha, Eduardo Arruda da G"]
[Black "De Arruda, Filho Ivo Pereira"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "2242"]
[BlackElo "1923"]
[PlyCount "71"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. e5 dxe5 11. fxe5 Nfd7 12. Ne4 Qxa2 13. Rd1 Qd5 14. Qe3 Qxe5 15. Bf4 Qa5+ 16. Rd2 Be7 17. Nd6+ Bxd6 18. Bxd6 Nf6 19. Bc4 Qb6 20. Qg5 Qxd6 21. Nxe6 Qxd2+ 22. Kxd2 Ne4+ 23. Ke3 Nxg5 24. Nc7+ Kd8 25. Nxa8 Nc6 26. Rd1+ Ke7 27. Nc7 Rd8 28. Nd5+ Kf8 29. h4 Ne6 30. Re1 b5 31. Bb3 Nc5 32. Nf4 Bf5 33. h5 Ne5 34. Rf1 Bg4 35. Re1 a5 36. Bd5 0-1

[Event "Fortaleza Brazil op 2nd"]
[Site "Fortaleza"]
[Date "2012.04.07"]
[Round "4"]
[White "De Arruda, Filho Ivo Pereira"]
[Black "Correia, Aristoteles de Jesu"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1923"]
[PlyCount "137"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 Bb4+ 4. c3 Be7 5. Nbd2 0-0 6. Bd3 d6 7. 0-0 Nc6 8. e4 b6 9. Qc2 e5 10. Bb5 Bb7 11. Qa4 Nb8 12. dxe5 dxe5 13. Nxe5 Bd6 14. Nef3 c6 15. Be2 Nbd7 16. Qc2 Re8 17. Bd3 Nc5 18. e5 Bxe5 19. Nxe5 Rxe5 20. Nf3 Nxd3 21. Nxe5 Nxe5 22. Bg5 Qd3 23. Qxd3 Nxd3 24. Bxf6 gxf6 25. b3 c5 26. Rad1 Be4 27. Rd2 b5 28. Re2 Re8 29. f3 Bc6 30. Rxe8+ Bxe8 31. Rd1 c4 32. Kf1 Bd7 33. bxc4 bxc4 34. Ke2 a6 35. Ke3 Bb5 36. g3 Kf8 37. f4 Ke7 38. Rd2 Ke6 39. g4 Kd5 40. h4 Kc5 41. h5 Bd7 42. Kf3 a5 43. Re2 Kd6 44. Kg3 Bc6 45. h6 a4 46. a3 Nc5 47. Rb2 Nb3 48. Re2 Nc1 49. Rb2 Nb3 50. Re2 Nc5 51. Rd2+ Bd5 52. Kh4 Ne4 53. Rc2 Kc7 54. g5 f5 55. Rc1 Bc6 56. Kh3 Nd6 57. Rg1 Nb5 58. g6 fxg6 59. Rxg6 hxg6 60. h7 Nxa3 61. h8Q Nb5 62. Qe5+ Kb6 63. Qe3+ Ka6 64. Qc5 Be4 65. Qxc4 a3 66. Qa4+ Kb6 67. c4 Nd4 68. Qxa3 Kc7 69. Qa7+ 1-0

