[Event "Sao Paulo op-A U2300 4th"]
[Site "Sao Paulo"]
[Date "2016.03.26"]
[Round "4"]
[White "Portes, Dirceu Atanazio Jr"]
[Black "Guimaraes, Wagner Peixoto"]
[Result "0-1"]
[ECO "E05"]
[BlackElo "2162"]
[PlyCount "44"]
[EventDate "2016.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 Bd7 8. Ne5 Nc6 9. Nxc6 Bxc6 10. Bxc6 bxc6 11. Qxc4 Qd5 12. Qa4 c5 13. dxc5 Bxc5 14. Nc3 Qh5 15. Kg2 Rad8 16. Bf4 e5 17. b4 Bd4 18. Bd2 Bxf2 19. Rad1 Bd4 20. Qb5 Bxc3 21. Bxc3 Rxd1 22. Rxd1 Ng4 0-1

[Event "Sao Paulo op-A U2300 4th"]
[Site "Sao Paulo"]
[Date "2016.03.26"]
[Round "5"]
[White "Reis, Alan de Albuquerque"]
[Black "Portes, Dirceu Atanazio Jr"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2082"]
[PlyCount "70"]
[EventDate "2016.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. cxb5 exd5 6. e3 a6 7. Nc3 Bb7 8. Be2 axb5 9. Bxb5 Be7 10. 0-0 0-0 11. b4 cxb4 12. Ne2 Qb6 13. Bd3 Na6 14. Bb2 Nc5 15. Bd4 Qa5 16. Bc2 Nfe4 17. Ng3 Nxg3 18. hxg3 Ne4 19. Ne5 d6 20. Nd7 Rfd8 21. Qg4 g6 22. f3 f5 23. Qh3 Rxd7 24. fxe4 dxe4 25. Bb3+ Bd5 26. Rxf5 gxf5 27. Qxf5 Bxb3 28. Qxd7 Qg5 29. axb3 Rxa1+ 30. Bxa1 Qxe3+ 31. Kh2 Qh6+ 32. Kg1 Qc1+ 33. Kh2 Qxa1 34. Qxe7 Qe5 35. Qd8+ Kg7 1/2-1/2

[Event "Sao Paulo op-A U2300 4th"]
[Site "Sao Paulo"]
[Date "2016.03.25"]
[Round "3"]
[White "Martins, George Evandro Barr"]
[Black "Portes, Dirceu Atanazio Jr"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2148"]
[PlyCount "70"]
[EventDate "2016.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 b6 5. 0-0 Be7 6. c4 Bb7 7. Nc3 cxd4 8. exd4 d5 9. cxd5 Nxd5 10. Ne5 0-0 11. Qg4 Nxc3 12. bxc3 f5 13. Qe2 Qd5 14. f3 Bf6 15. Bc4 Qd6 16. Re1 Bd5 17. Be3 Nd7 18. Nxd7 Qxd7 19. Bf4 Rac8 20. Rac1 Rfe8 21. Kf1 g5 22. Be5 Bxe5 23. dxe5 Kf7 24. Qd2 h6 25. Red1 Rc5 26. h4 Rg8 27. h5 Qc7 28. Re1 Rc8 29. Ba6 Rd8 30. Qb2 Bc4+ 31. Bxc4 Rxc4 32. Re3 Qc5 33. Rce1 Rh4 34. g4 Qc4+ 35. Kg2 Qf4 0-1

[Event "Sao Paulo op-A U2300 4th"]
[Site "Sao Paulo"]
[Date "2016.03.25"]
[Round "2"]
[White "Portes, Dirceu Atanazio Jr"]
[Black "Luz, Arthur Nader"]
[Result "1-0"]
[ECO "A84"]
[BlackElo "2092"]
[PlyCount "107"]
[EventDate "2016.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 b6 3. g3 Bb7 4. Bg2 f5 5. 0-0 Nf6 6. Nc3 Be7 7. d4 0-0 8. d5 Ne4 9. Nxe4 fxe4 10. Ne1 exd5 11. cxd5 Bc5 12. Bxe4 Qe8 13. Bf3 Qf7 14. Ng2 Na6 15. a3 Qf6 16. Rb1 g5 17. b4 g4 18. Bb2 Qg5 19. Be4 Rae8 20. Qd3 Re7 21. Qc3 Kf7 22. Bxh7 Ke8 23. bxc5 Rxh7 24. c6 dxc6 25. dxc6 Qh6 26. Qe3+ Qxe3 27. Nxe3 Bc8 28. Nd5 Kf7 29. f3 Ke6 30. Rbd1 Nc5 31. Nf4+ Kf7 32. fxg4 Kg8 33. g5 Ne6 34. g6 Rh6 35. Nxe6 Bxe6 36. Rxf8+ Kxf8 37. g7+ Kf7 38. Rf1+ Ke7 39. Be5 Rg6 40. h4 Bf7 41. Kh2 Rxc6 42. h5 Re6 43. Rf5 Bg8 44. Kg2 Bh7 45. Rg5 Kf7 46. Kf3 c5 47. Bc3 Re8 48. Rd5 Ra8 49. g4 Ke6 50. Re5+ Kd6 51. g5 Bg8 52. g6 Bd5+ 53. Kf4 Bb3 54. h6 1-0

[Event "Sao Paulo op-A U2300 4th"]
[Site "Sao Paulo"]
[Date "2016.03.24"]
[Round "1"]
[White "Pacheco, Helcio Alexandre"]
[Black "Portes, Dirceu Atanazio Jr"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2114"]
[PlyCount "69"]
[EventDate "2016.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 a6 10. a4 Nbd7 11. Bf4 Qe7 12. Qc1 Nh5 13. Bh6 f5 14. Bxg7 Kxg7 15. Ng5 Ne5 16. b3 f4 17. Ne6+ Bxe6 18. dxe6 Qxe6 19. Bxb7 Ra7 20. Bg2 f3 21. exf3 Nxf3+ 22. Bxf3 Rxf3 23. Qc2 Rb7 24. Rab1 d5 25. Rfe1 Qf7 26. Nd1 c4 27. bxc4 Rxb1 28. Qxb1 dxc4 29. Qb4 Rb3 30. Qc5 Rb7 31. Ne3 Rc7 32. Qe5+ Kg8 33. Nd5 Rd7 34. Ne7+ Rxe7 35. Qxe7 1-0

