[Event "Catas Altas op 3rd"]
[Site "Catas Altas"]
[Date "2022.07.09"]
[Round "2"]
[White "Diamant, Andre"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2538"]
[BlackElo "1602"]
[PlyCount "91"]
[EventDate "2022.06.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Bd3 cxd4 8. cxd4 Be7 9. 0-0 0-0 10. Re1 f5 11. exf6 Nxf6 12. Nb3 Qd6 13. Ne5 Bd7 14. Bg5 Rae8 15. Bh4 Bd8 16. Bg3 Qe7 17. Nxc6 bxc6 18. Nc5 Bb6 19. Rc1 Qd8 20. Be5 Bc7 21. Qc2 h6 22. Nxd7 Qxd7 23. Qxc6 Bxe5 24. dxe5 Qxc6 25. Rxc6 Nh7 26. Rc7 Ra8 27. Rec1 Ng5 28. R1c6 Rab8 29. b3 Rb6 30. Rxb6 axb6 31. Rc6 Ne4 32. Bxe4 dxe4 33. Rxe6 Rc8 34. h4 Rc1+ 35. Kh2 Rc2 36. Kg3 Rxa2 37. Rxb6 Rb2 38. e6 Kf8 39. Rb7 g5 40. hxg5 hxg5 41. b4 Re2 42. b5 e3 43. b6 exf2 44. Rf7+ Ke8 45. Rxf2 Rxe6 46. Rb2 1-0

[Event "Varginha Mineiro-ch"]
[Site "Varginha"]
[Date "2020.09.07"]
[Round "7"]
[White "Hama, Haruna"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "1721"]
[BlackElo "1582"]
[PlyCount "95"]
[EventDate "2020.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. fxg7 cxd2+ 7. Qxd2 Qxd2+ 8. Bxd2 Bxg7 9. 0-0-0 b6 10. Bg5 0-0 11. Nf3 Bb7 12. Be2 h6 13. Bf4 Na6 14. Rd7 Bc6 15. Rd2 Ba4 16. Be5 f6 17. Bc3 c5 18. Nh4 Rfd8 19. b3 Rxd2 20. Bxd2 Be8 21. Rd1 Rd8 22. Bc3 Rxd1+ 23. Kxd1 Bc6 24. f4 Be4 25. a3 Nb8 26. Bf3 Bb1 27. Kd2 Nd7 28. Bc6 Nf8 29. b4 cxb4 30. axb4 Nh7 31. c5 bxc5 32. bxc5 Bf8 33. Bd4 Ba2 34. Ng6 Bd5 35. Bxd5 exd5 36. Nxf8 Kxf8 37. c6 Ke8 38. Bxa7 Nf8 39. f5 Nh7 40. h4 Ke7 41. Bc5+ Kd8 42. Bd6 h5 43. Kd3 Nf8 44. Bxf8 Kc7 45. Be7 Kxc6 46. Bxf6 Kd6 47. Kd4 Kc6 48. Be5 1-0

[Event "Varginha Mineiro-ch"]
[Site "Varginha"]
[Date "2020.09.07"]
[Round "6"]
[White "Nunes, Karlesso Santos"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "0-1"]
[ECO "A17"]
[BlackElo "1582"]
[PlyCount "58"]
[EventDate "2020.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. g3 d5 4. cxd5 exd5 5. Bg2 c6 6. d4 Bb4 7. Bd2 0-0 8. Nf3 Bg4 9. 0-0 Re8 10. Ne5 Bf5 11. a3 Bxc3 12. bxc3 Nbd7 13. Bf4 Qa5 14. Nxd7 Bxd7 15. Bd2 Ne4 16. Bxe4 Rxe4 17. f3 Re7 18. c4 Qa6 19. cxd5 Rxe2 20. Re1 Rae8 21. dxc6 Bxc6 22. Rf1 Qd3 23. Be1 Qe3+ 24. Rf2 Rxe1+ 25. Qxe1 Qxe1+ 26. Rxe1 Rxe1+ 27. Kg2 Kf8 28. Kh3 Re3 29. f4 Rxa3 0-1

[Event "Varginha Mineiro-ch"]
[Site "Varginha"]
[Date "2020.09.06"]
[Round "5"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Resende, Carlos Alberto Fig"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1582"]
[BlackElo "1981"]
[PlyCount "80"]
[EventDate "2020.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Bd3 Bd6 5. Bg3 0-0 6. Nd2 Nbd7 7. Bxd6 cxd6 8. f4 e5 9. Ngf3 e4 10. Bb5 exf3 11. Qxf3 a6 12. Bd3 Re8 13. g4 Nf8 14. g5 Ne4 15. Nxe4 dxe4 16. Bxe4 Qe7 17. Bd5 Qxe3+ 18. Qxe3 Rxe3+ 19. Kd2 Re7 20. Raf1 Bf5 21. b3 Rae8 22. Re1 Be4 23. Bxe4 Rxe4 24. Rxe4 Rxe4 25. Re1 Rxe1 26. Kxe1 Ne6 27. d5 Nxf4 28. c4 Kf8 29. Kd2 Nh3 30. Kc3 Ke7 31. Kb4 Kd7 32. Ka5 Kc7 33. b4 Nxg5 34. c5 Ne4 35. a4 dxc5 36. h4 cxb4 37. h5 b3 38. h6 gxh6 39. Kb4 b2 40. a5 Nd6 0-1

[Event "Varginha Mineiro-ch"]
[Site "Varginha"]
[Date "2020.09.06"]
[Round "4"]
[White "Lapertosa Viana, Julio"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2012"]
[BlackElo "1582"]
[PlyCount "126"]
[EventDate "2020.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Bb4 9. Ndb5 a6 10. Nd6+ Bxd6 11. exd6 0-0 12. Na4 Re8 13. Qd2 e5 14. 0-0-0 d4 15. Bf2 b5 16. fxe5 bxa4 17. Bxd4 Nxd4 18. Qxd4 Qg5+ 19. Kb1 a3 20. Bc4 Qxe5 21. Rhf1 Qxd4 22. Bxf7+ Kh8 23. Rxd4 Rf8 24. bxa3 g5 25. Bc4 Rxf1+ 26. Bxf1 Bb7 27. g3 Kg7 28. h4 h6 29. Bd3 Kf6 30. hxg5+ hxg5 31. Kc1 Bf3 32. Kd2 Ke5 33. c3 Rh8 34. Ke3 g4 35. Bxa6 Ra8 36. Bb5 Ke6 37. a4 Rc8 38. c4 Bc6 39. Rxg4 Kxd6 40. Rg6+ Kc5 41. Rxc6+ Rxc6 42. Bxc6 Kxc6 43. Kd4 Nc5 44. a5 Ne6+ 45. Ke5 Ng5 46. a4 Nf7+ 47. Kd4 Ng5 48. a6 Ne6+ 49. Ke5 Nc5 50. g4 Nxa6 51. g5 Kd7 52. a5 Nc5 53. Kf5 Ne6 54. a6 Ng7+ 55. Kg6 Ne6 56. Kh6 Kc7 57. Kh5 Kb6 58. g6 Kxa6 59. Kg4 Kb6 60. Kf5 Ng7+ 61. Kf6 Nh5+ 62. Ke5 Ng7 63. Kf6 Nh5+ 1/2-1/2

[Event "Varginha Mineiro-ch"]
[Site "Varginha"]
[Date "2020.09.05"]
[Round "3"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Trombini, Fabio"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1582"]
[BlackElo "1872"]
[PlyCount "66"]
[EventDate "2020.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. Nbd2 cxd4 6. exd4 Bf5 7. c3 Qb6 8. Qb3 Qxb3 9. axb3 e6 10. b4 Nh5 11. Bg3 Nxg3 12. hxg3 Bd6 13. Nh4 Bg4 14. f4 g5 15. Nhf3 gxf4 16. b5 Ne7 17. Ne5 Bxe5 18. dxe5 fxg3 19. Rh4 h5 20. Ra4 Kd7 21. Bd3 Nf5 22. Bxf5 exf5 23. Rf4 Rae8 24. Nf3 f6 25. Rd4 Bxf3 26. gxf3 fxe5 27. Rxd5+ Ke6 28. Rc5 g2 29. Kf2 Rhg8 30. Kg1 Rd8 31. Rd4 exd4 32. c4 d3 33. f4 d2 0-1

[Event "Varginha Mineiro-ch"]
[Site "Varginha"]
[Date "2020.09.05"]
[Round "2"]
[White "De Freitas, Isabella Ribeiro Co"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1776"]
[BlackElo "1582"]
[PlyCount "94"]
[EventDate "2020.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 c6 6. Nf3 Be7 7. 0-0 Na6 8. d4 0-0 9. e4 Nf6 10. h3 Bd7 11. Be3 Bb4 12. Ne5 Nc7 13. a3 Bxc3 14. bxc3 Nb5 15. Qb3 Nd6 16. Nxd7 Nxd7 17. e5 Nf5 18. Qxb7 Nxe3 19. fxe3 Nb6 20. Qa6 Qg5 21. Rf3 Nd5 22. Qd3 Rab8 23. c4 Ne7 24. Rf4 Rb2 25. Rg4 Qf5 26. Qe4 Qf2+ 27. Kh2 Nf5 28. Rg1 h5 29. Rg5 Rfb8 30. Rxh5 Qxg3+ 31. Kh1 Qg6 32. Rxf5 exf5 33. Qd3 R8b3 34. Qf1 Qe6 35. Qc1 Ra2 36. Bf3 Raxa3 37. Re1 Qh6 38. Bg2 Rc3 39. Qb1 Rxe3 40. Rxe3 Qxe3 41. Qxf5 Ra1+ 42. Bf1 Qxd4 43. Qc8+ Kh7 44. Qf5+ Kh6 45. Qxf7 Qxe5 46. Qf3 Qf6 47. Qe3+ g5 0-1

[Event "Varginha Mineiro-ch"]
[Site "Varginha"]
[Date "2020.09.04"]
[Round "1"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Valente, Rodrigo de Deus"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1582"]
[BlackElo "1914"]
[PlyCount "82"]
[EventDate "2020.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Bd3 g6 6. Nd2 Bg7 7. h3 0-0 8. Ngf3 cxd4 9. exd4 Nh5 10. Bg5 Qd6 11. Qe2 f6 12. g4 Ng3 13. fxg3 Qxg3+ 14. Qf2 Qxf2+ 15. Kxf2 fxg5 16. Rae1 e5 17. dxe5 Nxe5 18. Ke2 Bd7 19. Nxe5 Bxe5 20. Kd1 Rae8 21. Rhf1 Rxf1 22. Bxf1 Kg7 23. Nf3 Kf6 24. Be2 Bg3 25. Rg1 Bf4 26. Nd4 Re3 27. Nf3 Ba4+ 28. Ke1 Bb5 29. Rg2 Bxe2 30. Rxe2 Rxf3 31. Re8 Re3+ 32. Rxe3 Bxe3 33. Ke2 d4 34. Kd3 dxc3 35. bxc3 Bc5 36. a4 a5 37. Kc4 b6 38. Kd5 h6 39. c4 h5 40. Ke4 Ke6 41. Kf3 Ke5 0-1

[Event "Sudeste/Centro-Oeste-ch U1800"]
[Site "Barbacena"]
[Date "2019.10.27"]
[Round "5"]
[White "Barbosa, Luiz Francisco da S"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "1748"]
[BlackElo "1639"]
[PlyCount "99"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. g3 d5 4. Bg2 Be7 5. Nf3 dxc4 6. Qc2 a6 7. Qxc4 0-0 8. Qc2 Bd7 9. Ne5 Nd5 10. Nxd7 Qxd7 11. 0-0 Nc6 12. e3 Rac8 13. Nc3 Ncb4 14. Qe2 c5 15. Nxd5 Nxd5 16. dxc5 Rxc5 17. Rd1 Rfc8 18. e4 Rc2 19. Qe1 Bb4 20. Qf1 Rxc1 21. Rdxc1 Rxc1 22. Rxc1 Ne7 23. Qd1 Qe8 24. Rc7 b5 25. Qd7 Kf8 26. Qxe8+ Kxe8 27. Ra7 Bc5 28. Rxa6 b4 29. Bf1 Kd7 30. a3 b3 31. Bc4 Bd4 32. Bxb3 Bxb2 33. Ra7+ Kd6 34. a4 f5 35. exf5 Nxf5 36. Ra6+ Kc5 37. Bxe6 Nd4 38. Bg4 Bc3 39. Ra7 Kb4 40. Kg2 Nc6 41. Ra8 Na5 42. Bd7 Be5 43. Bb5 Bc7 44. f4 Nb3 45. Ra7 Bb6 46. Rxg7 Nd4 47. Rxh7 Nxb5 48. axb5 Kxb5 49. Rb7 Kc6 50. Rxb6+ 1-0

[Event "Sudeste/Centro-Oeste-ch U1800"]
[Site "Barbacena"]
[Date "2019.10.27"]
[Round "6"]
[White "Goncalves, Ruy Jose Furst"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1670"]
[BlackElo "1639"]
[PlyCount "47"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. f4 e6 2. Nf3 d5 3. d4 c5 4. e3 Nc6 5. c4 a6 6. a3 Bd7 7. Be2 Nge7 8. 0-0 Nf5 9. Ne5 cxd4 10. Nxc6 Bxc6 11. exd4 dxc4 12. Bf3 Bxf3 13. Qxf3 Nxd4 14. Qg4 Qb6 15. Kh1 Rd8 16. f5 Nxf5 17. Re1 Be7 18. Nc3 0-0 19. Na4 Qb3 20. Nc3 Rd4 21. Ne4 Rfd8 22. Bg5 Bxg5 23. Qxg5 Rxe4 24. Qxd8# 1-0

[Event "Sudeste/Centro-Oeste-ch U1800"]
[Site "Barbacena"]
[Date "2019.10.26"]
[Round "3"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Cardoso, Lucca Pimenta"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1639"]
[BlackElo "1657"]
[PlyCount "90"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. d3 b6 5. Nbd2 Bb7 6. 0-0 Be7 7. Re1 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. dxe4 Qxd1 11. Rxd1 Bxe4 12. Ne5 Bxg2 13. Kxg2 Bd6 14. Nd3 Nd7 15. Bf4 Nf6 16. Bxd6 cxd6 17. Nb4 d5 18. Nc6 Kh8 19. c3 Ne4 20. f3 Nd6 21. Kf2 a5 22. a4 Rac8 23. Ne5 Nc4 24. Nxc4 Rxc4 25. Ke3 Rfc8 26. Rd4 Kg8 27. Kd3 Kf8 28. Re1 Rxd4+ 29. Kxd4 Rc4+ 30. Kd3 Rxa4 31. Kc2 Ke7 32. Rb1 Rc4 33. b3 Rc6 34. Kd3 Kd6 35. f4 f6 36. g4 g6 37. g5 Rc7 38. h4 Rf7 39. Ke3 e5 40. Rf1 Ke6 41. fxe5 fxe5 42. Rxf7 Kxf7 43. Kf3 Ke6 44. Kg4 b5 45. h5 a4 0-1

[Event "Sudeste/Centro-Oeste-ch U1800"]
[Site "Barbacena"]
[Date "2019.10.26"]
[Round "4"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "De Freitas, Isabella Ribeiro Co"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1639"]
[BlackElo "1683"]
[PlyCount "137"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. d3 Nc6 5. 0-0 d6 6. e4 e6 7. Nc3 Nge7 8. Bf4 a6 9. Rb1 0-0 10. h4 h6 11. Qd2 Kh7 12. Nh2 Rb8 13. Ng4 e5 14. Bxh6 Bxg4 15. Bxg7 Kxg7 16. f3 Be6 17. f4 exf4 18. Qxf4 Rh8 19. Qf6+ Kg8 20. Bh3 Qd7 21. Bxe6 Qxe6 22. Qxe6 fxe6 23. Rf6 Nd4 24. Rbf1 Rh5 25. Na4 Nxc2 26. Rxe6 Re8 27. Rxd6 Rf8 28. Rff6 Rxf6 29. Rxf6 Nb4 30. Rd6 g5 31. a3 Nbc6 32. Rd7 gxh4 33. gxh4 b5 34. Nc3 Rxh4 35. Nd5 Kf8 36. Kg2 Rg4+ 37. Kf2 Rg7 38. Nc7 Rf7+ 39. Ke2 Nd4+ 40. Ke1 a5 41. Na6 Nf3+ 42. Ke2 c4 43. d4 Ng5 44. Nc5 Nh3 45. Ne6+ Kg8 46. Rb7 Rf2+ 47. Ke3 Rf7 48. Rxb5 Rf6 49. d5 Rf7 50. Rxa5 Rh7 51. Ra8+ Kf7 52. Rf8+ Kg6 53. a4 Ng1 54. Nf4+ Kg7 55. Ne6+ Kg6 56. a5 Rh3+ 57. Kf2 Rh2+ 58. Kxg1 Rxb2 59. d6 Nc6 60. Rc8 Nxa5 61. d7 Nb7 62. Rxc4 Kf7 63. Nc5 Nd8 64. e5 Rd2 65. Rh4 Rd5 66. Rh7+ Kg6 67. Rh8 Nf7 68. e6 Rxc5 69. exf7 1-0

[Event "Sudeste/Centro-Oeste-ch U1800"]
[Site "Barbacena"]
[Date "2019.10.26"]
[Round "2"]
[White "Poiani, Fernando Celso"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1760"]
[BlackElo "1639"]
[PlyCount "96"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 Rc8 7. Be2 Qb6 8. 0-0 Nh6 9. b4 cxd4 10. cxd4 Nf5 11. Be3 Nxe3 12. fxe3 Be7 13. Nbd2 0-0 14. Nb3 Qd8 15. Nc5 Bxc5 16. bxc5 Ne7 17. Bd3 Qa5 18. Bxh7+ Kxh7 19. Ng5+ Kg6 20. Qg4 f5 21. exf6 Rxf6 22. Ne4+ Kf7 23. Nxf6 gxf6 24. Qh5+ Kg7 25. Rf4 Be8 26. Qg4+ Ng6 27. h4 Kf7 28. Rf3 Ke7 29. h5 Bf7 30. hxg6 Rg8 31. g7 b5 32. Qf4 f5 33. Qd6+ Kf6 34. Qe5+ Ke7 35. Rxf5 Rxg7 36. Qxg7 exf5 37. Qe5+ Kf8 38. Rf1 Qxa3 39. c6 Qe7 40. Rxf5 Qxe5 41. dxe5 Ke7 42. Rxf7+ Kxf7 43. c7 a5 44. c8Q Kg6 45. Qe6+ Kg5 46. Qxd5 Kf5 47. Qxb5 Ke6 48. Qxa5 Kf5 1-0

[Event "Sudeste/Centro-Oeste-ch U1800"]
[Site "Barbacena"]
[Date "2019.10.25"]
[Round "1"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Frattini, Beatriz Maria"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1639"]
[BlackElo "1740"]
[PlyCount "114"]
[EventDate "2019.10.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 0-0 5. 0-0 c5 6. Nbd2 Nc6 7. e4 d5 8. a4 e6 9. c3 b6 10. Re1 Ba6 11. Qc2 Rc8 12. Nf1 dxe4 13. dxe4 Bd3 14. Qd1 Bxe4 15. Qxd8 Rfxd8 16. Bf4 Bd3 17. Rad1 Bc2 18. Rxd8+ Rxd8 19. Ng5 Ne7 20. a5 Ned5 21. axb6 axb6 22. Be5 h6 23. Ne4 Nxe4 24. Bxg7 Kxg7 25. Bxe4 Bxe4 26. Rxe4 Ra8 27. Nd2 Ra2 28. Nc4 b5 29. Nd6 Rxb2 30. c4 Nf6 31. Re1 bxc4 32. Nxc4 Rb4 33. Nd6 Kf8 34. Rc1 Nd7 35. Kg2 Ke7 36. Nc8+ Kf6 37. Nd6 e5 38. Nc8 Ke6 39. Rd1 Rd4 40. Ra1 Kd5 41. Ra7 Kc6 42. Ne7+ Kb6 43. Ra8 c4 44. Rc8 Kb5 45. Kf3 Nc5 46. Rb8+ Ka4 47. Ra8+ Kb3 48. Rb8+ Kc2 49. Rb5 Rd3+ 50. Ke2 Rd2+ 51. Ke3 Nd3 52. Nc6 c3 53. Ra5 Rd1 54. Ke2 Re1+ 55. Kf3 Kd2 56. Nxe5 Nxe5+ 57. Rxe5 Rxe5 0-1

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2018.09.16"]
[Round "4"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Jesus, Tales Argolo"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1631"]
[PlyCount "142"]
[EventDate "2018.09.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. d3 Nc6 4. Nbd2 Nf6 5. Bg2 e5 6. 0-0 Be7 7. Re1 0-0 8. h3 h6 9. e4 dxe4 10. dxe4 Be6 11. b3 Qc8 12. Kh2 Rd8 13. Qe2 Qc7 14. Bb2 Nd4 15. Nxd4 cxd4 16. Rac1 Bb4 17. Red1 Rac8 18. Qd3 a6 19. Nb1 b5 20. Bf1 Bc3 21. Bxc3 dxc3 22. Qf3 Rxd1 23. Rxd1 b4 24. Qd3 a5 25. a4 Qd7 26. Qf3 Qc6 27. Bg2 Qb7 28. Rd3 Bxb3 29. Nxc3 Bxc2 30. Nb5 Rb8 31. Nd6 Qc6 32. Nf5 Qc4 33. Bf1 Bxd3 34. Bxd3 Qe6 35. Ne3 Rc8 36. Qe2 Rc3 37. Nc4 Qe8 38. Nxa5 Qxa4 39. Nc4 Nd7 40. Ne3 Nc5 41. Bb5 Qb3 42. Bc4 Rxc4 43. Nxc4 Qd3 44. Qa2 b3 45. Qa8+ Kh7 46. Qd5 Qxd5 47. exd5 f6 48. f3 Kg6 49. Kg2 Nd3 50. Kf1 b2 51. Nd2 f5 52. Ke2 e4 53. fxe4 fxe4 54. Ke3 Kf5 55. d6 Nc5 56. Kd4 Nd7 57. Kc3 e3 58. Nb1 Ke4 59. Kxb2 Kd3 60. Nc3 e2 61. Nxe2 Kxe2 62. Kc3 Kf3 63. Kd4 Kxg3 64. Kd5 Kxh3 65. Ke6 Nf6 66. Kf7 h5 67. Kxg7 Nd7 68. Kf7 Kg4 69. Ke7 Ne5 70. Ke6 Kf4 71. Kd5 h4 0-1

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2018.09.16"]
[Round "5"]
[White "Gomes, Marco Tulio Caldeir"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1688"]
[BlackElo "1631"]
[PlyCount "100"]
[EventDate "2018.09.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Be3 Qb6 7. Rb1 a6 8. h4 Nc6 9. Ne2 cxd4 10. Bxd4 Nxd4 11. Nexd4 Qa5+ 12. c3 Qxa2 13. Bd3 Qa5 14. Qe2 Qc7 15. h5 Be7 16. h6 g6 17. Kf1 b5 18. Re1 Bb7 19. Qe3 Nc5 20. Bb1 Na4 21. Qe2 Qc4 22. Bd3 Qa2 23. Bxb5+ axb5 24. Qxb5+ Kf8 25. Qxb7 Qc4+ 26. Kg1 Qc8 27. Qb3 Nc5 28. Qc2 f5 29. Kh2 Kf7 30. Ra1 Qc7 31. Qd2 Ne4 32. Qe3 Rhb8 33. Rxa8 Rxa8 34. Rc1 Rb8 35. Rc2 Bf6 36. Qf4 g5 37. Qe3 g4 38. Nd2 Bg5 39. Qe2 Qxe5+ 40. Kg1 Qc7 41. Nxe4 dxe4 42. b3 Ra8 43. Qd1 Qd6 44. Qf1 Qb6 45. g3 Kg6 46. Kg2 e5 47. Ne2 Qxb3 48. Qd1 Rd8 49. Nd4 exd4 50. cxd4 Qf3+ 0-1

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2018.09.15"]
[Round "3"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Pimentel, Rafael Favarin G"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1631"]
[BlackElo "1893"]
[PlyCount "104"]
[EventDate "2018.09.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 d5 4. d3 g6 5. c3 Bg7 6. Bg5 Qb6 7. Qb3 Be6 8. Na3 h6 9. Bf4 Qxb3 10. axb3 g5 11. Bc1 a6 12. Nd2 Nf6 13. 0-0 0-0 14. Nc2 Rac8 15. Ne3 Rfd8 16. f4 Ng4 17. Nxg4 Bxg4 18. Bf3 Bh3 19. Bg2 Bxg2 20. Kxg2 gxf4 21. Rxf4 e5 22. Rg4 f5 23. Rh4 Rd6 24. Nf1 d4 25. Nd2 Re6 26. Nc4 b5 27. Nb6 Rc7 28. Nd5 Ra7 29. Bd2 Ne7 30. c4 Nxd5 31. cxd5 Rd6 32. e4 dxe3 33. Bxe3 Rxd5 34. Bxh6 Rxd3 35. Rf1 Rxb3 36. Rxf5 Rxb2+ 37. Kh3 Bxh6 38. Rxh6 Rh7 39. Rxh7 Kxh7 40. Rxe5 c4 41. Re7+ Kg8 42. Re8+ Kf7 43. Ra8 c3 44. Rxa6 c2 45. Rc6 b4 46. Kg4 b3 47. Kf5 Ke7 48. h4 Rb1 49. h5 c1Q 50. Re6+ Kd7 51. Re4 Qc5+ 52. Kg4 Rh1 0-1

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2018.09.14"]
[Round "1"]
[White "Barroso, Hugo Mazochi"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1863"]
[BlackElo "1631"]
[PlyCount "109"]
[EventDate "2018.09.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Be7 8. Nf3 0-0 9. 0-0 Qb6 10. Nf4 g6 11. Bc2 cxd4 12. cxd4 Nb4 13. Bb3 Nb8 14. Ne2 Bd7 15. Bh6 Rc8 16. Nc3 Bc6 17. a3 N4a6 18. Rb1 Nd7 19. Bc2 Qd8 20. b4 Nc7 21. b5 Nxb5 22. Nxb5 Bxb5 23. Rxb5 Bxa3 24. Rb3 Bf8 25. Bxf8 Qxf8 26. Rxb7 Nb6 27. Ng5 Qe8 28. Nxf7 Qxf7 29. Rxf7 Kxf7 30. Qf3+ Kg8 31. Bd3 Rf8 32. Qh3 Rae8 33. Ra1 Rf7 34. g3 Nc8 35. Ra6 Nb6 36. Qf1 Rf3 37. Be2 Rc3 38. Qh3 Re7 39. Rxa7 Rxa7 40. Qxe6+ Kg7 41. Qxb6 Rf7 42. f4 Rcc7 43. Bf3 Rb7 44. Qa5 Ra7 45. Qxd5 Rfd7 46. Qc5 Rdc7 47. Qb6 Rd7 48. Qf6+ Kg8 49. Bd5+ Rf7 50. Bxf7+ Rxf7 51. Qxf7+ Kxf7 52. Kf2 Ke6 53. Ke3 Kd5 54. g4 h6 55. h4 1-0

[Event "Belo Horizonte Mineiro zt"]
[Site "Belo Horizonte"]
[Date "2016.08.21"]
[Round "5.2"]
[White "Ribeiro, Jose Joselito"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1905"]
[BlackElo "1632"]
[PlyCount "109"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. cxd5 Qxd5 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Qa5 8. Qc2 Nbd7 9. d4 c6 10. Bd2 Qc7 11. e4 Ne8 12. Bf4 Qd8 13. Rfd1 Bd6 14. Bg5 Be7 15. Be3 Qc7 16. Rac1 Nb6 17. Bf4 Bd6 18. Bd2 Nc4 19. Be1 Qe7 20. Nd2 Nb6 21. a4 a5 22. Qb3 Bc7 23. Nf3 Nd7 24. Nb1 Rb8 25. Na3 Ra8 26. Nc4 Nd6 27. Nfd2 b5 28. Nxd6 Qxd6 29. axb5 cxb5 30. e5 Qb6 31. Bxa8 Ba6 32. Bg2 Bb8 33. Rc6 Qxd4 34. Rxa6 Nc5 35. Qxb5 Nxa6 36. Qxa6 Qxe5 37. Nc4 Qe2 38. Ra1 h5 39. Bf1 Qg4 40. Ne3 Qd4 41. Bc3 Qe4 42. Qxa5 h4 43. Qg5 f6 44. Qxh4 Qxh4 45. gxh4 Bf4 46. Bc4 Re8 47. Ra6 Kf7 48. h5 g5 49. Ng4 f5 50. Ra7+ Re7 51. Rxe7+ Kxe7 52. Nf6 g4 53. Kg2 Bg5 54. Nxg4 fxg4 55. Kg3 1-0

[Event "Belo Horizonte Mineiro zt"]
[Site "Belo Horizonte"]
[Date "2016.08.21"]
[Round "4.4"]
[White "Samos, Luciana Martins"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1426"]
[BlackElo "1632"]
[PlyCount "172"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 Qxd5 4. Nf3 Nf6 5. Nc3 Qa5 6. Bd2 c6 7. Bd3 Qc7 8. 0-0 Bd6 9. h3 Nbd7 10. Re1 0-0 11. Ne4 Nxe4 12. Bxe4 Nf6 13. Bd3 Bd7 14. Bg5 Kh8 15. Ne5 Be8 16. Bxf6 gxf6 17. Qh5 f5 18. Nf3 f6 19. Qh6 Qf7 20. Re2 Rg8 21. Rae1 Bd7 22. c4 Rg6 23. Qd2 Rag8 24. Nh4 R6g7 25. c5 Bc7 26. Qh6 Rg5 27. Bxf5 Rh5 28. Bg6 Rxg6 29. Nxg6+ Qxg6 30. Qf8+ Qg8 31. Qxf6+ Qg7 32. Qxg7+ Kxg7 33. Re3 Rd5 34. Rd3 Bd8 35. f4 Bf6 36. Re4 h5 37. Kf2 Kg6 38. g4 b5 39. b4 Bg7 40. Ke3 Bc8 41. Rd2 Rd8 42. Rg2 h4 43. f5+ Kf6 44. fxe6 Bh6+ 45. Ke2 Re8 46. Rf2+ Kg6 47. e7 Bg5 48. Rf8 Bd7 49. d5 cxd5 50. Re5 Bf6 51. Rxe8 Bxe8 52. Rxd5 Bxe7 53. Re5 Kf6 54. Re3 Bc6 55. Kd3 Bf8 56. Re1 Bh6 57. Rf1+ Ke6 58. Rf5 Bg2 59. Rh5 Bf1+ 60. Kc2 Bf8 61. Rxh4 Kd5 62. Rh5+ Kc4 63. c6 Bd3+ 64. Kd2 Bxb4+ 65. Ke3 Bd6 66. Rh6 Bc7 67. g5 Bb1 68. g6 Bxa2 69. g7 Kc5 70. Ke4 Bd5+ 71. Kf5 a5 72. Rh5 Kxc6 73. Kf6 Bc4 74. Rf5 a4 75. Rf3 Bb6 76. Ke5 b4 77. Rf6+ Kb5 78. Rf8 b3 79. g8Q Bxg8 80. Rxg8 b2 81. Rg5 Bc5 82. h4 b1Q 83. h5 a3 84. h6 a2 85. Rh5 a1Q+ 86. Ke6 Qg6+ 0-1

[Event "Belo Horizonte Mineiro zt"]
[Site "Belo Horizonte"]
[Date "2016.08.20"]
[Round "2.8"]
[White "Campos Junior, Eder Geraldo"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "0-1"]
[ECO "C14"]
[BlackElo "1632"]
[PlyCount "62"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Be3 c5 7. Nf3 a6 8. g3 Nc6 9. Bg2 Qb6 10. b3 0-0 11. Ne2 f6 12. exf6 Nxf6 13. Ne5 Nxe5 14. dxe5 Nd7 15. Bf4 Nb8 16. 0-0 Nc6 17. a3 Bd7 18. Qd2 Rac8 19. Bg5 Bxg5 20. Qxg5 Rf5 21. Qg4 Nxe5 22. Qh4 Bb5 23. f4 Bxe2 24. fxe5 Bxf1 25. Rxf1 Rcf8 26. Rxf5 Rxf5 27. Qa4 c4+ 28. Kh1 Qf2 29. Qe8+ Rf8 30. Qxe6+ Kh8 31. Bxd5 Qf1# 0-1

[Event "Belo Horizonte Mineiro zt"]
[Site "Belo Horizonte"]
[Date "2016.08.20"]
[Round "3.6"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Santana, Odames Felipe Almei"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1632"]
[PlyCount "103"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 0-0 5. 0-0 d5 6. Nbd2 Bg4 7. c4 Bxf3 8. Bxf3 e6 9. Rb1 c5 10. a3 a5 11. Nb3 Nbd7 12. Bg5 a4 13. Nd2 Ne5 14. Bg2 h6 15. Bxf6 Bxf6 16. f4 Ng4 17. Rf3 Bd4+ 18. e3 Bxe3+ 19. Rxe3 Nxe3 20. Qf3 Nxg2 21. Kxg2 Ra6 22. h4 Qa5 23. Qf2 Rb6 24. g4 f5 25. g5 dxc4 26. Nxc4 Qa6 27. Qxc5 Rb5 28. Qe7 Qc6+ 29. Kg3 h5 30. Re1 Rf7 31. Qxe6 Qxe6 32. Rxe6 Kg7 33. Ne5 Rxe5 34. fxe5 Rd7 35. Rd6 Re7 36. Kf4 Kf7 37. d4 Re6 38. Rd7+ Re7 39. Rd5 Rc7 40. Rb5 Rc4 41. Rxb7+ Ke8 42. Rb4 Rc1 43. d5 Rf1+ 44. Ke3 Re1+ 45. Kf4 Rf1+ 46. Kg3 Rg1+ 47. Kf2 Rc1 48. Rb8+ Kd7 49. e6+ Kd6 50. Rd8+ Ke5 51. e7 Rc2+ 52. Ke1 1-0

[Event "Belo Horizonte Mineiro zt"]
[Site "Belo Horizonte"]
[Date "2016.08.19"]
[Round "1.3"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Frois, Vitor Amorim"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1632"]
[BlackElo "2001"]
[PlyCount "110"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 c5 2. d4 cxd4 3. Nxd4 e5 4. Nb3 d5 5. g3 Nc6 6. Bg2 Be6 7. 0-0 Qd7 8. Nc3 0-0-0 9. Na4 f6 10. Nac5 Bxc5 11. Nxc5 Qe7 12. Nxe6 Qxe6 13. c3 Nge7 14. Qc2 Kb8 15. b4 Rc8 16. Qb3 Rhd8 17. e4 Rd6 18. Ba3 b5 19. Rfd1 d4 20. Qxe6 Rxe6 21. Bh3 f5 22. Bb2 Rd8 23. a3 g6 24. f3 Red6 25. Bf1 a6 26. Kf2 Kb7 27. c4 bxc4 28. Bxc4 Rf8 29. Bd3 Nc8 30. Rab1 Rdf6 31. Bc1 Nd6 32. Bg5 R6f7 33. b5 axb5 34. Bxb5 Nxb5 35. Rxb5+ Ka8 36. Rc1 Rb7 37. Rcb1 Rxb5 38. Rxb5 fxe4 39. f4 Ka7 40. Ke2 exf4 41. Bxf4 Rf5 42. a4 Ka6 43. Kd2 Rxb5 44. axb5+ Kxb5 45. g4 Kc4 46. g5 Ne7 47. Ke2 Nf5 48. Kd2 e3+ 49. Kc2 d3+ 50. Kd1 d2 51. Ke2 Nd4+ 52. Kd1 Kd3 53. Bxe3 Kxe3 54. h4 Kd3 55. h5 Nb5 0-1

[Event "Belo Horizonte Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2015.11.22"]
[Round "6"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Branco, Luciano Braga Rodri"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1749"]
[BlackElo "1830"]
[PlyCount "105"]
[EventDate "2015.11.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 c6 4. d3 d5 5. Nbd2 e6 6. b3 Bd6 7. Bb2 Nbd7 8. 0-0 0-0 9. Re1 f4 10. e4 fxg3 11. hxg3 Bc5 12. d4 Be7 13. e5 Nh5 14. a4 g6 15. Nf1 c5 16. c3 a5 17. Bc1 cxd4 18. cxd4 Bb4 19. Ba3 Bxe1 20. Bxf8 Bxf2+ 21. Kxf2 Qxf8 22. Rc1 Nb8 23. Kg1 Nc6 24. Rc5 Bd7 25. Qd2 Nb4 26. Rc7 Bc6 27. Ng5 Ng7 28. Bh3 Re8 29. Rf7 Qxf7 30. Nxf7 Kxf7 31. Qg5 Bd7 32. g4 Nc6 33. Ne3 Kg8 34. Nc2 Rf8 35. Qd2 h5 36. Qd3 hxg4 37. Bxg4 Nf5 38. Ne3 Ncxd4 39. Bxf5 Nf3+ 40. Kf2 Nxe5 41. Qd4 Nc6 42. Qb6 d4 43. Qxb7 dxe3+ 44. Kxe3 exf5 45. Qxd7 f4+ 46. Kf2 Nb4 47. Qe6+ Kh7 48. Kf3 Rf5 49. Qe7+ Kh6 50. Kg4 f3 51. Qd8 Kg7 52. Qd4+ Kh6 53. Qh8# 1-0

[Event "Belo Horizonte Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2015.11.22"]
[Round "5"]
[White "Lima, Erlandio de Oliveir"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "1626"]
[BlackElo "1749"]
[PlyCount "166"]
[EventDate "2015.11.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. c4 c5 2. g3 e6 3. Bg2 Nf6 4. Nf3 d5 5. b3 Nc6 6. 0-0 Be7 7. d4 Bd7 8. Nc3 Rc8 9. Bb2 0-0 10. cxd5 exd5 11. dxc5 Be6 12. Na4 Nd7 13. Rc1 Nb4 14. a3 Na6 15. b4 Re8 16. Nc3 Nc7 17. e3 Bf6 18. Ba1 Nb8 19. Nd4 Nc6 20. Nxe6 fxe6 21. Ne2 Nb5 22. Qd3 a6 23. Nf4 Bxa1 24. Rxa1 Ne5 25. Qd2 Kh8 26. Rfd1 Qf6 27. Ne2 Rf8 28. f4 Nc4 29. Qc2 Rce8 30. Nd4 Nc7 31. Bf1 e5 32. Bxc4 exd4 33. Be2 dxe3 34. Re1 Rf7 35. Bh5 g6 36. Bf3 Rfe7 37. Qd1 e2 38. Qc1 Re3 39. Kf2 Qd4 40. Kg2 Nb5 41. c6 Nc3 42. cxb7 Rb8 43. Bxe2 Rxe2+ 44. Rxe2 Nxe2 45. Qc8+ Rxc8 46. bxc8Q+ Kg7 47. Qd7+ Kh6 48. Re1 Qb2 49. Kh3 Qd2 50. Rxe2 Qxe2 51. Qxd5 Qf1+ 52. Kg4 Qe2+ 53. Qf3 Qe6+ 54. f5 Qc4+ 55. Kh3 g5 56. f6 Kg6 57. f7 Qe6+ 58. g4 Qxf7 59. Qxf7+ Kxf7 60. Kg3 Ke6 61. Kf3 Ke5 62. Ke3 Kd5 63. Kd3 h6 64. h3 Kc6 65. a4 Kd5 66. b5 a5 67. b6 Kc6 68. Ke4 Kxb6 69. Kf5 Kc5 70. Kg6 Kb4 71. Kxh6 Kxa4 72. Kxg5 Kb3 73. h4 a4 74. h5 a3 75. h6 a2 76. h7 a1Q 77. Kg6 Kc4 78. g5 Kd5 79. Kh6 Qa6+ 80. g6 Qf6 81. Kh5 Qg7 82. Kg5 Ke5 83. Kh5 Kf6 0-1

[Event "Belo Horizonte Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2015.11.21"]
[Round "4"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Da Circuncisao, Samuel Jacob"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1749"]
[BlackElo "1798"]
[PlyCount "120"]
[EventDate "2015.11.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. g3 c6 6. Bg5 Bd6 7. Bd3 0-0 8. Qd2 Re8+ 9. Nge2 Bg4 10. 0-0-0 Nbd7 11. h3 Bf3 12. Rhe1 Qc7 13. Rg1 Be4 14. Nxe4 Nxe4 15. Qe3 g6 16. Bh6 Nc3 17. Qf3 Nxd1 18. Rxd1 Bf8 19. Bf4 Bd6 20. Bh6 Bf8 21. Bf4 Qd8 22. Qg4 Nf6 23. Qh4 Ne4 24. Qxd8 Raxd8 25. Bxe4 Rxe4 26. Nc3 Re6 27. a4 a5 28. Bc7 Ra8 29. Rf1 Bd6 30. Bb6 Ra6 31. Bd8 f6 32. Kd2 Kf7 33. Re1 Rxe1 34. Kxe1 Bb4 35. Kd2 Ra8 36. Bb6 Re8 37. Kd3 Bxc3 38. bxc3 Re1 39. Bxa5 Ra1 40. Bb6 Rxa4 41. h4 h5 42. Bc5 Ke6 43. Bf8 Kf5 44. Be7 Ra8 45. c4 Re8 46. Bd6 dxc4+ 47. Kxc4 Re2 48. c3 Rxf2 49. Kc5 Ke4 50. Kb6 Kd5 51. Bb4 Rb2 52. Kxb7 Rxb4+ 53. cxb4 g5 54. Kc7 gxh4 55. gxh4 f5 56. Kd7 f4 57. Ke7 f3 58. Kf6 f2 59. Kg5 f1Q 60. Kxh5 Kxd4 0-1

[Event "Belo Horizonte Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2015.11.21"]
[Round "3"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Santos, Mesaque Aureliando"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1749"]
[PlyCount "95"]
[EventDate "2015.11.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. Nf3 Nc6 2. g3 e5 3. d3 Nf6 4. Bg2 Be7 5. Nbd2 d5 6. c4 e4 7. dxe4 dxe4 8. Ng5 Bf5 9. Ngxe4 Nxe4 10. Bxe4 Bxe4 11. Nxe4 Qxd1+ 12. Kxd1 0-0-0+ 13. Nd2 Ne5 14. Kc2 Bb4 15. b3 Rhe8 16. f3 Nc6 17. Kd1 Nd4 18. Re1 Re6 19. a3 Bxd2 20. Bxd2 Nxb3 21. Ra2 Red6 22. Kc2 Nxd2 23. Kc3 Nxf3 24. exf3 Rd3+ 25. Kb4 Rxf3 26. Re7 Rf1 27. Rae2 Rb1+ 28. Ka5 Rc1 29. Kb4 a5+ 30. Kb5 c6+ 31. Kc5 Rd5+ 32. Kb6 Rxc4 33. Rxf7 Rb5+ 34. Ka7 Rd4 35. Re8+ Rd8 36. Ree7 Rg8 37. Rc7+ Kd8 38. Rxb7 Rxb7+ 39. Rxb7 c5 40. Rb8+ Kd7 41. Rxg8 c4 42. Rxg7+ Kd6 43. Kb6 Kd5 44. Rxh7 a4 45. Kb5 c3 46. Kxa4 Kd4 47. Kb3 Kd3 48. Rd7+ 1-0

[Event "Belo Horizonte Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2015.11.20"]
[Round "1"]
[White "Da Silva, Eduardo Batista Q"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1890"]
[BlackElo "1749"]
[PlyCount "61"]
[EventDate "2015.11.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nbd7 6. e3 c5 7. cxd5 exd5 8. g3 h6 9. Bxf6 Nxf6 10. Bg2 Bg4 11. 0-0 0-0 12. h3 Bh5 13. dxc5 Bxc5 14. Qb3 Ne4 15. Rfd1 Qc8 16. Rxd5 Nxg3 17. Qc4 b6 18. Qf4 Qb8 19. Qxb8 Raxb8 20. fxg3 Bxe3+ 21. Kh2 Bg6 22. Ne5 Bc5 23. Nd7 Rbe8 24. Nxf8 Kxf8 25. Rad1 Be7 26. Be4 Bf6 27. Bxg6 fxg6 28. R1d2 Kg8 29. Re2 Rc8 30. Rd7 a5 31. Nd5 1-0

[Event "Belo Horizonte Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2015.11.20"]
[Round "2"]
[White "Hama, Haruna"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1738"]
[BlackElo "1749"]
[PlyCount "101"]
[EventDate "2015.11.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 Nf6 5. Nf3 Be6 6. g3 Nbd7 7. Bg2 Nb6 8. 0-0 a6 9. Bf4 Nh5 10. Bd2 Bd6 11. Ng5 g6 12. Nxe6 fxe6 13. e4 c6 14. exd5 cxd5 15. Re1 Kd7 16. Bh3 Re8 17. Rc1 Nc4 18. Nxd5 Nxd2 19. Qxd2 Ng7 20. Ne3 Rc8 21. Nc4 Ke7 22. d5 Bc5 23. Qg5+ Kf7 24. Qxd8 Rcxd8 25. Ne5+ Kf6 26. Ng4+ Kf7 27. Rxc5 Rxd5 28. Rxd5 exd5 29. Rd1 Rd8 30. Bg2 Ke6 31. f4 Nf5 32. Kf2 b5 33. Ne3 Ne7 34. Nc2 Nc6 35. Ke3 a5 36. Nd4+ Kd6 37. Nxb5+ Kc5 38. a4 d4+ 39. Kd2 Ne7 40. Kd3 Nf5 41. Rc1+ Kb4 42. Rc4+ Kb3 43. Be4 Ne3 44. Nxd4+ Kxb2 45. Kxe3 Rb8 46. Nc6 Kb3 47. Nxb8 Kxc4 48. Nd7 Kb4 49. Bc6 h6 50. g4 Kc4 51. f5 1-0

[Event "Mestre Ataide op"]
[Site "Mestre Ataide"]
[Date "2014.06.08"]
[Round "4"]
[White "Bueno, Jonas Alves"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "0-1"]
[ECO "B28"]
[BlackElo "1717"]
[PlyCount "59"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 a6 5. Be2 Nc6 6. c3 Bd7 7. 0-0 Qc7 8. Bf4 Qb6 9. Qc2 cxd4 10. Bd3 Rc8 11. Bxh7 g6 12. Bxg6 fxg6 13. Qxg6+ Kd8 14. Ng5 Nce7 15. Qc2 Be8 16. Rd1 Bg6 17. Qd2 d3 18. Be3 Qc6 19. Bc5 Kd7 20. Ba3 Bh6 21. f4 Qc7 22. Qf2 Bxg5 23. Bd6 Qc4 24. fxg5 Qg4 25. Nd2 Nf5 26. Qb6 Qh4 27. Qxb7+ Kd8 28. Nf3 Qe4 29. Rf1 Ne3 30. Nd2 0-1

[Event "Mestre Ataide op"]
[Site "Mestre Ataide"]
[Date "2014.06.08"]
[Round "5"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Da Circuncisao, Daniel Jacob"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1717"]
[PlyCount "103"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. 0-0 Nf6 5. e5 Ng4 6. Re1 d5 7. Bb5 Bd7 8. c3 Qb6 9. Bxc6 Bxc6 10. d4 Be7 11. a3 a5 12. Qc2 0-0 13. h3 Nh6 14. Bxh6 gxh6 15. Qd2 Kg7 16. Nh2 f6 17. Ng4 fxe5 18. Rxe5 Bg5 19. dxc5 Qxc5 20. Qd4 Qxd4 21. cxd4 Bd7 22. g3 Rac8 23. f4 Rc1+ 24. Kg2 Bf6 25. Nxf6 Kxf6 26. Kf2 Rc2+ 27. Ke3 Rxb2 28. Nc3 Rb3 29. Kd2 Bc6 30. Rb1 a4 31. Rf1 Bb5 32. Nxb5 Rxb5 33. f5 exf5 34. Rexf5+ Kg7 35. Rxf8 Rb2+ 36. Kc1 Rb3 37. R1f3 Rb6 38. Rd8 Rb5 39. Rf5 Rb3 40. Rfxd5 Rxa3 41. Kb2 Rb3+ 42. Ka2 b5 43. Rb8 b4 44. Rb6 Ra3+ 45. Kb2 Rb3+ 46. Kc2 Rc3+ 47. Kb2 Rc7 48. Rxb4 Ra7 49. Rbb5 Kf6 50. Ra5 Rxa5 51. Rxa5 Ke6 52. Rxa4 1-0

[Event "Mestre Ataide op"]
[Site "Mestre Ataide"]
[Date "2014.06.07"]
[Round "3"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Teixeira, Aloisio da Silva"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1717"]
[BlackElo "1950"]
[PlyCount "68"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d3 Nf6 3. Bf4 e6 4. Nbd2 Bd6 5. Ne5 Nbd7 6. d4 0-0 7. e3 Qe7 8. Bd3 c5 9. c3 Nb8 10. h3 Nc6 11. Ndf3 Qc7 12. Qc2 c4 13. Be2 Ne4 14. Bxc4 Bxe5 15. Bxe5 Nxe5 16. Nxe5 f6 17. Bd3 fxe5 18. Bxe4 dxe4 19. Qxe4 Bd7 20. d5 exd5 21. Qxd5+ Kh8 22. 0-0-0 Bc6 23. Qd6 Qxd6 24. Rxd6 Rxf2 25. Rhd1 h6 26. Re6 e4 27. c4 Re2 28. b4 Rc8 29. b5 Bxb5 30. Rxe4 Bxc4 31. Rdd4 Bxa2+ 32. Kd1 Rxg2 33. Rd7 Bb3+ 34. Ke1 Rc1+ 0-1

[Event "Mestre Ataide op"]
[Site "Mestre Ataide"]
[Date "2014.06.07"]
[Round "1"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Vieira, Ernando Ferreira"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1717"]
[BlackElo "1852"]
[PlyCount "62"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d3 e6 3. g3 f5 4. Bg2 Nf6 5. 0-0 Bd6 6. Nbd2 0-0 7. c4 c6 8. Re1 e5 9. e4 d4 10. Bh3 fxe4 11. Bxc8 Qxc8 12. Nxe4 Nxe4 13. Rxe4 Qf5 14. Kg2 Nd7 15. h3 Nc5 16. g4 Qe6 17. Nxe5 Qf6 18. Nf3 Nxe4 19. dxe4 c5 20. Qe2 Rae8 21. Qd3 h6 22. Bd2 Bf4 23. Rd1 Qe6 24. Re1 g5 25. Bxf4 Rxf4 26. e5 Ref8 27. Nd2 Rxf2+ 28. Kg1 Qc6 29. Ne4 Rxb2 30. Nf6+ Rxf6 31. exf6 Qg2# 0-1

[Event "Mestre Ataide op"]
[Site "Mestre Ataide"]
[Date "2014.06.07"]
[Round "2"]
[White "Sousa, Jose Nicodemos Bati"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1717"]
[PlyCount "86"]
[EventDate "2014.06.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. c4 Nc6 5. a3 Bd7 6. Nc3 d4 7. Ne4 Be7 8. d3 Qc7 9. Bf4 Nh6 10. h3 Nf5 11. g3 0-0 12. Bg2 Qb6 13. b3 f6 14. h4 Nxe5 15. Nxe5 fxe5 16. Bxe5 Bd6 17. Nxd6 Nxd6 18. 0-0 Nf7 19. Bf4 e5 20. Bd2 Bf5 21. Qc2 Qg6 22. Be4 Nd6 23. Bxf5 Nxf5 24. Rae1 Rae8 25. b4 b6 26. Bg5 h6 27. Bc1 Nxh4 28. Re4 Nf3+ 29. Kg2 Rf5 30. Rh1 Ref8 31. Kf1 Rh5 32. Rxh5 Qxh5 33. Ke2 Ng5+ 34. g4 Qh4 35. Bxg5 Rxf2+ 36. Kd1 Qh1+ 37. Re1 Qf3+ 38. Re2 Rf1+ 39. Kd2 hxg5 40. Re1 Rf2+ 41. Kc1 Rxc2+ 42. Kxc2 Qf4 43. Rg1 Qf2+ 0-1

[Event "Betim Montanhas"]
[Site "Betim"]
[Date "2014.03.30"]
[Round "9"]
[White "Campos, Igor Ribeiro"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2154"]
[PlyCount "73"]
[EventDate "2014.03.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. g3 Be7 4. Bg2 d5 5. 0-0 d4 6. b4 c5 7. e3 Nc6 8. b5 Nb4 9. exd4 a5 10. d3 b6 11. a3 Bb7 12. axb4 axb4 13. Rxa8 Qxa8 14. dxc5 Bxc5 15. Bb2 0-0 16. Nh4 Bxg2 17. Nxg2 Rd8 18. Nf4 Bd4 19. Bxd4 Rxd4 20. Ne2 Rd8 21. Qb3 Qf3 22. Nc1 h5 23. Nd2 Qg4 24. Qd1 Qh3 25. Re1 b3 26. Qxb3 h4 27. Nf1 Rd4 28. Ne2 Qf5 29. Nxd4 Qc5 30. Nf3 Ng4 31. Ne3 Nxe3 32. fxe3 h3 33. Qc2 g5 34. d4 Qe7 35. Rf1 g4 36. Ne5 Qb7 37. Rf2 1-0

[Event "Betim Montanhas"]
[Site "Betim"]
[Date "2014.03.30"]
[Round "8"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Deus Filho, Joaquim"]
[Result "0-1"]
[ECO "A47"]
[BlackElo "2027"]
[PlyCount "88"]
[EventDate "2014.03.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. Bf4 Be7 6. Nbd2 0-0 7. 0-0 Nh5 8. e3 Nxf4 9. exf4 c5 10. c4 cxd4 11. Nxd4 Bxg2 12. Kxg2 Qc7 13. Qe2 a6 14. b3 Bf6 15. N2f3 Nc6 16. Nxc6 Bxa1 17. Ne7+ Kh8 18. Rxa1 Qd6 19. Qe3 Rfe8 20. Ng5 Rxe7 21. Qe4 Qc6 22. f3 Qxe4 23. Nxe4 d5 24. Nd2 dxc4 25. Nxc4 b5 26. Ne3 Rd7 27. Rf1 Rd2+ 28. Rf2 Rad8 29. Ng4 f6 30. h4 h5 31. Ne3 Rxf2+ 32. Kxf2 Rd2+ 33. Ke1 Rxa2 34. Nf1 Ra1+ 35. Ke2 Kg8 36. Nd2 Kf7 37. Ne4 Ke7 38. g4 Rb1 39. Nc5 a5 40. Kd3 Rf1 41. Ke4 Rh1 42. f5 exf5+ 43. Kxf5 Rxh4 44. Ne6 g6+ 0-1

[Event "Betim Montanhas"]
[Site "Betim"]
[Date "2014.03.30"]
[Round "7"]
[White "Vieira, Ernando Ferreira"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1841"]
[PlyCount "73"]
[EventDate "2014.03.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. f4 e6 2. Nf3 d5 3. c3 c5 4. g3 Nc6 5. Bg2 Bd7 6. 0-0 Bd6 7. d3 Nge7 8. e4 f6 9. Re1 Qb6 10. b3 d4 11. Nbd2 Na5 12. cxd4 cxd4 13. e5 Bc7 14. Ba3 Nd5 15. exf6 gxf6 16. Ne4 f5 17. Nc5 Bd6 18. Nxe6 Ne3 19. Nexd4 Bxa3 20. Qe2 0-0-0 21. Qxe3 Bc5 22. Rec1 Nc6 23. b4 Rhe8 24. bxc5 Qb2 25. Qf2 Qxf2+ 26. Kxf2 Kc7 27. Nb5+ Kb8 28. Nd6 Re6 29. Ng5 Rh6 30. Ngf7 Rxd6 31. cxd6 Rf8 32. Ne5 Rd8 33. Rab1 Na5 34. Rc7 b6 35. Rbc1 Bc8 36. d7 Bb7 37. Bxb7 1-0

[Event "Betim Montanhas"]
[Site "Betim"]
[Date "2014.03.29"]
[Round "6"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Silverio, Alessandro de Olive"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "96"]
[EventDate "2014.03.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 Nc6 2. g3 Nf6 3. Bg2 e6 4. d3 Be7 5. e4 0-0 6. 0-0 Bc5 7. Nc3 e5 8. Bg5 h6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. Nd2 a6 12. Nb1 d6 13. Nbc3 Ne7 14. a3 Nxd5 15. Nxd5 c6 16. Nc3 Be6 17. Kh1 Qd7 18. Ne2 f5 19. Qd2 fxe4 20. d4 exd4 21. Nxd4 d5 22. f4 Bh3 23. Rfe1 Rf6 24. Qc3 Ba7 25. Rad1 Raf8 26. Qb3 Bxg2+ 27. Kxg2 Kh7 28. h3 g5 29. Rf1 gxf4 30. g4 f3+ 31. Kf2 Qc7 32. Rh1 c5 33. Qxd5 cxd4 34. Qxe4+ Kg7 35. Rd3 Qxc2+ 36. Kg3 Qg2+ 37. Kh4 Qxh1 38. Qe5 Qg2 39. Qd5 Qe2 40. Rb3 b5 41. g5 Rf4+ 42. Kh5 f2+ 43. Rf3 Qxf3+ 44. Qxf3 Rxf3 45. b4 R8f5 46. h4 f1Q 47. a4 hxg5 48. axb5 gxh4+ 0-1

[Event "Betim Montanhas"]
[Site "Betim"]
[Date "2014.03.29"]
[Round "4"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Teixeira, Aloisio da Silva"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1950"]
[PlyCount "74"]
[EventDate "2014.03.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 e6 4. Bg2 Bd6 5. Nc3 0-0 6. 0-0 c5 7. Nb5 Bd7 8. Bf4 Na6 9. e3 Be7 10. a4 c4 11. Rb1 Bxb5 12. axb5 Nb4 13. e4 Qb6 14. Re1 Qxb5 15. Bg5 h6 16. Bxf6 Bxf6 17. e5 Be7 18. Bf1 Qd7 19. c3 Nc6 20. Nd2 b5 21. b3 a5 22. Qc2 Rfc8 23. Be2 Qa7 24. f4 cxb3 25. Nxb3 a4 26. Qa2 axb3 27. Qxa7 Rxa7 28. Bxb5 Ra3 29. Rb2 Na5 30. Bd7 Rc7 31. Bb5 Rxc3 32. Ree2 Bd8 33. g4 Bb6 34. Red2 Nc4 35. Bxc4 dxc4 36. Kg2 Rd3 37. f5 Bxd4 0-1

[Event "Betim Montanhas"]
[Site "Betim"]
[Date "2014.03.29"]
[Round "5"]
[White "Goncalves, Ruy Jose Furst"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1693"]
[PlyCount "122"]
[EventDate "2014.03.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. f4 e6 2. Nf3 d5 3. d4 c5 4. e3 Nc6 5. Bb5 Bd7 6. 0-0 Nf6 7. c4 a6 8. Bxc6 Bxc6 9. Ne5 Be7 10. Nc3 0-0 11. cxd5 Nxd5 12. Nxc6 bxc6 13. Ne4 Qb6 14. Rf3 Rad8 15. Rh3 g6 16. dxc5 Bxc5 17. Ng5 Bxe3+ 18. Bxe3 Nxe3 19. Qe2 Rd1+ 20. Rxd1 Nxd1+ 21. Kf1 Qb5 22. Nxh7 Rd8 23. Qxb5 cxb5 24. Ng5 Nxb2 25. Ra3 Rd6 26. Ne4 Rc6 27. Rc3 Nc4 28. Ke2 Kg7 29. h4 Rc8 30. g4 a5 31. h5 gxh5 32. gxh5 Kh6 33. Nf6 Kg7 34. Ne4 f5 35. h6+ Kh7 36. Nf6+ Kxh6 37. Rg3 Nd6 38. Ng8+ Kh7 39. Nf6+ Kh8 40. Rh3+ Kg7 41. Nh5+ Kg6 42. Ng3 Rc2+ 43. Kd3 Rxa2 44. Ne2 Ne4 45. Kd4 Rxe2 46. Rd3 Rd2 47. Ke5 b4 48. Rh3 Rd5+ 49. Kxe6 Rd6+ 50. Ke7 a4 51. Rh2 Rd2 52. Rh8 Re2 53. Rg8+ Kh5 54. Kf7 Kh4 55. Rh8+ Kg3 56. Rf8 b3 57. Kg6 b2 58. Rb8 Kxf4 59. Rf8 Ng3 60. Rb8 a3 61. Rb4+ Ne4 0-1

[Event "Betim Montanhas"]
[Site "Betim"]
[Date "2014.03.28"]
[Round "3"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Botaro, Italo Giacomo"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "78"]
[EventDate "2014.03.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. Nbd2 Bg4 6. 0-0 Qd7 7. Kh1 Be7 8. c4 Rd8 9. Qb3 e4 10. dxe4 dxe4 11. Ng5 Bxe2 12. Re1 Na5 13. Qc3 Bxc4 14. Nxc4 Nxc4 15. Nxf7 Kxf7 16. Qxc4+ Qd5 17. Qxc7 Rd7 18. Qc2 Bb4 19. Bxe4 Nxe4 20. Rxe4 Re8 21. f3 Qd1+ 22. Qxd1 Rxd1+ 23. Kg2 Rxe4 24. fxe4 Bd2 25. Kf2 Rxc1 26. Rxc1 Bxc1 27. b3 Ke6 28. Ke2 g5 29. Kd3 Ke5 30. b4 g4 31. a4 h6 32. b5 h5 33. Ke2 Kxe4 34. Kf2 Kd4 35. Kg2 Kc4 36. h3 Kb4 37. hxg4 hxg4 38. Kf2 Kxa4 39. Ke2 Kxb5 0-1

[Event "Betim Montanhas"]
[Site "Betim"]
[Date "2014.03.28"]
[Round "1"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Rezende, Guilherme Vilela"]
[Result "0-1"]
[ECO "A04"]
[BlackElo "2110"]
[PlyCount "72"]
[EventDate "2014.03.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. d3 Bg7 5. c3 Nf6 6. Qc2 0-0 7. 0-0 Rb8 8. e4 d6 9. Nbd2 b5 10. Nb3 b4 11. a4 bxc3 12. bxc3 Be6 13. Rb1 Qb6 14. Nbd4 Nxd4 15. Rxb6 Nxc2 16. Rxb8 Rxb8 17. Nd2 Bh6 18. f4 Ne3 19. Re1 Nxg2 20. Kxg2 Bd7 21. a5 Bc6 22. Kf2 Ng4+ 23. Kg2 f5 24. Nf3 fxe4 25. dxe4 Bg7 26. h3 Bxc3 27. Bd2 Rb2 28. hxg4 Bxd2 29. Nxd2 Rxd2+ 30. Kf3 Rd3+ 31. Re3 Rxe3+ 32. Kxe3 Kf7 33. g5 a6 34. g4 e6 35. Kd3 d5 36. e5 Bb5+ 0-1

[Event "Betim Montanhas"]
[Site "Betim"]
[Date "2014.03.28"]
[Round "2"]
[White "De Oliveira, Andre Luis Carneiro"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "51"]
[EventDate "2014.03.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 Be7 9. 0-0-0 c4 10. f5 Bb4 11. fxe6 fxe6 12. Ng5 Nf8 13. Qf2 Qe7 14. Be2 Bxc3 15. bxc3 Nd8 16. Rhf1 Ng6 17. Bh5 Bd7 18. Nxh7 Nf7 19. Bxg6 0-0-0 20. Qxf7 Qa3+ 21. Kd2 Kb8 22. Bg5 Be8 23. Qxg7 Bxg6 24. Bxd8 Bxc2 25. Qxh8 Ka7 26. Bc7 1-0

[Event "Belo Horizonte Mineiro op"]
[Site "Belo Horizonte"]
[Date "2013.12.08"]
[Round "6.13"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Silva, Diego Autusto Lages"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "47"]
[EventDate "2013.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Nc6 4. d3 h6 5. Nbd2 e5 6. 0-0 Bd6 7. e4 d4 8. Nc4 0-0 9. a4 Re8 10. Bd2 Bc5 11. Kh1 Bg4 12. h3 Bd7 13. Kh2 Re6 14. Ng1 Ne8 15. f4 Nd6 16. Nf3 Nxc4 17. dxc4 f6 18. Nh4 Qe8 19. f5 Rd6 20. Ng6 Bb4 21. Bxh6 gxh6 22. Qg4 Kh7 23. Rad1 Ne7 24. Nxe7 1-0

[Event "Belo Horizonte Mineiro op"]
[Site "Belo Horizonte"]
[Date "2013.12.07"]
[Round "4"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "De Oliveira, Andre Luis Carneiro"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "1797"]
[PlyCount "66"]
[EventDate "2013.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d3 e5 5. Nbd2 Ne7 6. 0-0 0-0 7. e4 Nbc6 8. c3 h6 9. Nb3 a5 10. Be3 a4 11. Nc5 b6 12. Nxa4 Ba6 13. b3 dxe4 14. Ne1 exd3 15. Be4 d2 16. Bxd2 Bxf1 17. Kxf1 Qd7 18. Qe2 Qe6 19. Kg2 Rad8 20. Nf3 f5 21. Bc2 Qd5 22. Rd1 e4 23. c4 exf3+ 24. Qxf3 Qxf3+ 25. Kxf3 Nd4+ 26. Kg2 Nxc2 27. c5 bxc5 28. Nxc5 Rd6 29. a4 Bc3 30. Bxh6 Rxd1 31. Bxf8 Kxf8 32. Ne6+ Kf7 33. Nxc7 Nd4 0-1

[Event "Belo Horizonte Mineiro op"]
[Site "Belo Horizonte"]
[Date "2013.12.07"]
[Round "5"]
[White "Hama, Haruna"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1738"]
[PlyCount "93"]
[EventDate "2013.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 c6 3. g3 d5 4. cxd5 cxd5 5. d4 Bb4 6. a3 Ba5 7. Bg2 a6 8. Nf3 Ne7 9. b4 Bb6 10. b5 a5 11. Bf4 Ng6 12. Bg5 f6 13. Bd2 Nd7 14. Rc1 Ba7 15. Bh3 Nb6 16. 0-0 Nc4 17. a4 b6 18. e4 Ne7 19. Re1 0-0 20. exd5 exd5 21. Be6+ Bxe6 22. Rxe6 Re8 23. Bf4 Bb8 24. Bxb8 Rxb8 25. Qe2 Qd7 26. Re1 Kf7 27. Nh4 Ne5 28. Rxe7+ Rxe7 29. dxe5 Rxe5 30. Qd1 d4 31. Rxe5 fxe5 32. Qf3+ Kg8 33. Ne4 Rf8 34. Qd3 Qf7 35. Kg2 g5 36. Nf3 Qxf3+ 37. Qxf3 Rxf3 38. Kxf3 h6 39. Kg4 Kf7 40. Kf5 g4 41. Kxe5 d3 42. Kd4 Ke6 43. Kxd3 Kd5 44. Nf6+ Kc5 45. Kc3 Kd6 46. Nxg4 Kd5 47. Nxh6 1-0

[Event "Belo Horizonte Mineiro op"]
[Site "Belo Horizonte"]
[Date "2013.12.06"]
[Round "1"]
[White "Da Circuncisao, Neivaldo Jacob"]
[Black "Dibai, Jerry"]
[Result "0-1"]
[ECO "A08"]
[BlackElo "1800"]
[PlyCount "80"]
[EventDate "2013.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 0-0 5. Nbd2 d5 6. 0-0 c5 7. c3 Nc6 8. Re1 e5 9. e4 d4 10. a4 dxc3 11. Nc4 cxb2 12. Bxb2 Nd7 13. Bh3 Nb6 14. Bxc8 Nxc4 15. Bxb7 Nxb2 16. Qb3 Rb8 17. Re2 Na5 18. Qxb2 Rxb7 19. Qc3 Qb6 20. Rc2 Qb4 21. Raa2 Qxc3 22. Rxc3 Rc8 23. Nd2 Rbc7 24. Nc4 Nxc4 25. Rxc4 Rd7 26. Ra3 Bf8 27. Kf1 Rb8 28. Ke2 Rb4 29. Kf3 a5 30. h4 Rxc4 31. dxc4 Rd4 32. Rc3 Bh6 33. g4 Bd2 34. Rc2 Bb4 35. Ke3 Rd1 36. Ra2 Rc1 37. h5 Kg7 38. f4 Rc3+ 39. Ke2 exf4 40. Rd2 Re3+ 0-1

[Event "Belo Horizonte Mineiro op"]
[Site "Belo Horizonte"]
[Date "2013.12.06"]
[Round "2"]
[White "De Castro, Pablo Luis Fonseca"]
[Black "Da Circuncisao, Neivaldo Jacob"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1858"]
[PlyCount "97"]
[EventDate "2013.12.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Ne2 Be7 8. g3 Qb6 9. c3 Bd8 10. Bh3 0-0 11. 0-0 Re8 12. Kh1 Be7 13. f5 exf5 14. Bxf5 Ndxe5 15. Nxe5 Nxe5 16. Bxc8 Raxc8 17. dxe5 Qc6 18. Nf4 c4 19. Qxd5 Qxd5+ 20. Nxd5 Kf8 21. e6 f6 22. Bf4 Bd8 23. Bd6+ Kg8 24. e7 Kf7 25. exd8Q Rcxd8 26. Nc7 Re2 27. Nb5 a6 28. Nd4 Rxb2 29. Ba3 Rd2 30. Rfd1 Rxd1+ 31. Rxd1 b5 32. Re1 Re8 33. Rxe8 Kxe8 34. Kg2 Kf7 35. Kf3 g6 36. Ke4 Ke8 37. Kd5 Kd7 38. Ne6 a5 39. Nf8+ Ke8 40. Nxh7 Kf7 41. Kc6 Kg7 42. Nxf6 b4 43. cxb4 axb4 44. Bxb4 Kxf6 45. a4 Ke5 46. Bc3+ Ke4 47. a5 Kd3 48. Bf6 g5 49. Bxg5 1-0

