[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2017.10.15"]
[Round "7"]
[White "Vieira, Valdecir Dias"]
[Black "Primo E Silva, Beatriz"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1766"]
[BlackElo "1623"]
[PlyCount "59"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g6 6. Bc4 Bg7 7. 0-0 d6 8. Qe2 Nf6 9. Rd1 Bd7 10. e5 dxe5 11. Bxf7+ Kxf7 12. Ng5+ Ke8 13. Qc4 e6 14. Nxe6 Qc8 15. Nxg7+ Kf8 16. Bh6 Ng4 17. Ne6+ Ke8 18. Ng7+ Kf8 19. Ne6+ Ke8 20. Nb5 Ke7 21. Qxg4 Bxe6 22. Qg5+ Ke8 23. Nd6+ Kd7 24. Nxc8+ Kxc8 25. Rac1 Re8 26. Bg7 e4 27. Qb5 Bd7 28. Qd5 Re7 29. Be5 b6 30. Rxc6+ 1-0

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2017.10.14"]
[Round "6"]
[White "Cunha, Hudson Nogueira"]
[Black "Vieira, Valdecir Dias"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "1902"]
[BlackElo "1766"]
[PlyCount "91"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Nxc6 dxc6 8. Ba4 0-0 9. d4 Re8 10. Nd2 Be6 11. c3 Qd7 12. Ne4 Nxe4 13. Rxe4 Bd5 14. Re5 Bd6 15. Rxd5 Qe6 16. Re5 Bxe5 17. dxe5 Qxe5 18. Be3 Rad8 19. Qf3 Rd6 20. Rf1 Rde6 21. Bb3 R6e7 22. Qg3 c5 23. Qxe5 Rxe5 24. Rd1 b5 25. Bd5 c4 26. Bc6 Rc8 27. Bxa7 b4 28. cxb4 Re2 29. Bd4 Rd8 30. Kf1 Rxb2 31. Bxb2 Rxd1+ 32. Ke2 Rd6 33. b5 Rd3 34. Be4 Rd8 35. a4 Rb8 36. Bc6 Rd8 37. a5 Rd3 38. a6 Rb3 39. a7 Rxb2+ 40. Kd1 Ra2 41. a8Q+ Rxa8 42. Bxa8 Kf8 43. Kc2 Ke7 44. Kc3 Kd6 45. Kxc4 f6 46. f4 1-0

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2017.10.14"]
[Round "5"]
[White "Vieira, Valdecir Dias"]
[Black "Ribeiro, Allysson"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1766"]
[BlackElo "1858"]
[PlyCount "42"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. c3 dxc3 5. Nxc3 g6 6. Bc4 Bg7 7. 0-0 d6 8. Qe2 Nh6 9. e5 Nf5 10. Bf4 0-0 11. Rfd1 Qa5 12. Rd5 Qb6 13. exd6 Nxd6 14. Rxd6 exd6 15. Bxd6 Nd4 16. Bxf7+ Rxf7 17. Qe8+ Bf8 18. Ne5 Ne2+ 19. Nxe2 Qxf2+ 20. Kh1 Rf6 21. Ba3 Bh3 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2017.10.13"]
[Round "3"]
[White "De Freitas, Julio Eimard"]
[Black "Vieira, Valdecir Dias"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1849"]
[BlackElo "1766"]
[PlyCount "146"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Bd3 e5 4. Nf3 exd4 5. Nxd4 c6 6. 0-0 Be7 7. b3 Nbd7 8. Nf5 0-0 9. Ba3 Ne5 10. Nxe7+ Qxe7 11. Nc3 Bg4 12. f3 Bh5 13. Ne2 Rfd8 14. h3 Qc7 15. Qe1 Nxd3 16. cxd3 d5 17. Bb2 Nd7 18. Qh4 Bg6 19. Nf4 Nc5 20. Rac1 Ne6 21. Nxe6 fxe6 22. Rfd1 Qa5 23. Qe7 Bf7 24. Qg5 Qb6+ 25. Kh1 d4 26. Ba3 Qc7 27. Be7 Rd7 28. Bf6 Bg6 29. Be5 Qd8 30. Qg3 Rc8 31. Rc2 Qa5 32. Rdc1 Rf8 33. a4 Qb4 34. Rb1 a5 35. Qf2 b5 36. Rxc6 bxa4 37. Rc4 Qb5 38. Bxd4 axb3 39. Qb2 Rfd8 40. Ra1 Ra8 41. Raa4 Rb7 42. Bc3 Be8 43. Ra1 a4 44. Rb4 Qc6 45. Rc1 Qa6 46. Qa3 Rxb4 47. Qxb4 Rd8 48. Qe7 e5 49. Bxe5 Qg6 50. Qxd8 a3 51. Qd5+ Qf7 52. Qxf7+ Kxf7 53. Rc7+ Ke6 54. Bxg7 Bb5 55. Ra7 b2 56. Rxa3 b1Q+ 57. Kh2 Bxd3 58. Ra1 Qb8+ 59. e5 Qb2 60. Rg1 Qf2 61. Bh8 Be2 62. Kh1 h5 63. Ra1 Bf1 64. Rxf1 Qxf1+ 65. Kh2 Qf2 66. Bf6 Kf5 67. Bh8 h4 68. Bf6 Qg3+ 69. Kg1 Qe1+ 70. Kh2 Qf2 71. Bh8 Kf4 72. Bf6 Ke3 73. e6 Ke2 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2017.10.13"]
[Round "4"]
[White "Vieira, Valdecir Dias"]
[Black "Piassi, Kildare Aparecido"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1766"]
[BlackElo "1874"]
[PlyCount "112"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qf5 9. Nxd4 Nxd4 10. Qxd4 Be6 11. Nxe4 Be7 12. Be3 0-0 13. Rad1 Rad8 14. Ng3 Qxc2 15. Rc1 Qxc1 16. Rxc1 Rxd4 17. Bxd4 c5 18. Bxc5 Rc8 19. Be3 Rxc1+ 20. Bxc1 Bxa2 21. Bd2 Bf6 22. Bc3 Bxc3 23. bxc3 Kf8 24. Kf1 Ke7 25. Ke2 Bd5 26. Nf5+ Kf6 27. Ne3 Ke5 28. Kd3 Be6 29. c4 b6 30. Nd1 f5 31. Nc3 Bd7 32. Nd1 Bc6 33. g3 g5 34. Ne3 a5 35. Kc3 Ke4 36. Nc2 Bd7 37. Ne3 Be6 38. Nc2 f4 39. f3+ Ke5 40. Ne1 Bf5 41. Ng2 Bd7 42. Ne1 Bc6 43. Nd3+ Kf5 44. Ne1 h5 45. Nc2 Bxf3 46. gxf4 Kxf4 47. Kd4 g4 48. Ne3 h4 49. Nf1 g3 50. hxg3+ hxg3 51. Nxg3 Kxg3 52. c5 b5 53. Kc3 Kf4 54. Kd4 a4 55. Kc3 Ke5 56. Kb4 Kd5 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2017.10.12"]
[Round "1"]
[White "Duailibe, Ricardo Miguel"]
[Black "Vieira, Valdecir Dias"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1901"]
[BlackElo "1766"]
[PlyCount "13"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 1-0

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2017.10.12"]
[Round "2"]
[White "Vieira, Valdecir Dias"]
[Black "Da Silva, Emerson Soares"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1766"]
[BlackElo "1854"]
[PlyCount "42"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. c3 d3 5. Bxd3 Nf6 6. Qe2 d6 7. Nbd2 g6 8. 0-0 Bg7 9. Rd1 0-0 10. Nc4 Qc7 11. Bf4 Nh5 12. Bg5 Bg4 13. Ne3 Bxf3 14. Qxf3 Ne5 15. Qe2 e6 16. Bc2 h6 17. Bh4 Nf4 18. Qd2 g5 19. Bg3 Rad8 20. Nf1 Nc4 21. Qc1 Ne2+ 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.29"]
[Round "7"]
[White "Aparecido Silva, Haroldo"]
[Black "Vieira, Valdecir Dias"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "1865"]
[PlyCount "41"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c3 Be7 6. 0-0 a6 7. Ba4 0-0 8. Re1 Be6 9. Nbd2 b5 10. Bc2 Re8 11. Nf1 Bf8 12. Bg5 g6 13. d4 Bg4 14. d5 Nb8 15. Ne3 Bc8 16. a4 Bd7 17. axb5 Bxb5 18. Ng4 Bg7 19. Ba4 Nbd7 20. c4 Bxa4 21. Qxa4 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.28"]
[Round "6"]
[White "Vieira, Valdecir Dias"]
[Black "Camara, Jose Arruda"]
[Result "0-1"]
[ECO "C12"]
[BlackElo "1878"]
[PlyCount "60"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. Bd3 dxe4 6. Bxe4 h6 7. Bxf6 Qxf6 8. a3 Ba5 9. Qd3 0-0 10. Nf3 Rd8 11. 0-0 Bb6 12. Rad1 c6 13. Bh7+ Kh8 14. Be4 Nd7 15. Ne5 Nxe5 16. dxe5 Qe7 17. Qf3 Bd7 18. Bd3 Be8 19. Qe4 g6 20. Rfe1 Kg7 21. Na4 Rd4 22. Qe2 Rxa4 23. c4 Rd8 24. Qc2 c5 25. Re3 Bc7 26. f4 b5 27. cxb5 Rxf4 28. g3 Rfd4 29. Rf1 c4 30. Bxc4 Rd2 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.28"]
[Round "5"]
[White "Vieira, Valdecir Dias"]
[Black "Yoshioka, Andre"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "1882"]
[PlyCount "42"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. Qxd4 dxe4 5. Qxd8+ Kxd8 6. Bc4 e6 7. Bf4 Bd7 8. Nd2 Bc6 9. 0-0-0 Ke8 10. f3 Nf6 11. Ne2 b5 12. Nd4 bxc4 13. Bxb8 Bd5 14. fxe4 Nxe4 15. Nxe4 Rxb8 16. Rhe1 Be7 17. g3 a5 18. Rd2 f5 19. Nxe6 Bxe4 20. Nxg7+ Kf7 21. Nh5 Bg5 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.27"]
[Round "4"]
[White "Peixoto, Helio Ricardo Souti"]
[Black "Vieira, Valdecir Dias"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1913"]
[PlyCount "137"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 d5 8. exd5 Nxd5 9. 0-0 Bxc3 10. bxc3 0-0 11. Qc2 Nce7 12. Ba3 Re8 13. Rfe1 c6 14. Qb3 Bg4 15. Bxe7 Rxe7 16. Rxe7 Qxe7 17. Bxd5 cxd5 18. Qxd5 Re8 19. Ne5 Be6 20. Qf3 f6 21. Nd3 Bxa2 22. h3 Qe2 23. Qxe2 Rxe2 24. Nb4 Bc4 25. Rxa7 b5 26. g4 Re1+ 27. Kg2 Bf1+ 28. Kg3 Rc1 29. Ra3 Bc4 30. Kg2 Bf1+ 31. Kg3 Bc4 32. h4 g6 33. g5 fxg5 34. hxg5 Rg1+ 35. Kf4 Rf1 36. f3 Be2 37. d5 Rxf3+ 38. Ke5 Rf5+ 39. Ke6 Bg4 40. Nc6 Rxg5+ 41. Kd6 Bf3 42. Ne5 Be2 43. Ra8+ Kg7 44. Ra7+ Kg8 45. Ke6 Bc4 46. Nxc4 bxc4 47. Ra8+ Kg7 48. d6 Rg1 49. d7 Re1+ 50. Kd6 Rd1+ 51. Kc7 h5 52. Ra4 g5 53. Rxc4 Rxd7+ 54. Kxd7 g4 55. Rc5 Kg6 56. Rc8 h4 57. Rh8 Kg5 58. c4 g3 59. c5 Kg4 60. c6 Kh3 61. c7 g2 62. c8Q g1Q 63. Ke7+ Qg4 64. Qc3+ Qg3 65. Qb2 Qc7+ 66. Ke6 Qc6+ 67. Kf5 Qf3+ 68. Ke5 Qf4+ 69. Kxf4 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.27"]
[Round "3"]
[White "Vieira, Valdecir Dias"]
[Black "Lisboa Torres, Eduardo"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "1925"]
[PlyCount "67"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 a6 6. Bc4 e6 7. 0-0 Qc7 8. Qe2 Nge7 9. Rd1 d6 10. Be3 b6 11. Rac1 Ng6 12. Nd5 exd5 13. exd5 Na7 14. Bb5+ Nxb5 15. Rxc7 Nxc7 16. Bxb6+ Be7 17. Bxc7 0-0 18. Nd4 Ra7 19. Ba5 Bf6 20. Nc6 Rb7 21. Bb4 Bd7 22. Bc3 Bxc3 23. bxc3 Re8 24. Qc2 Nf4 25. c4 Re2 26. Qa4 Rbb2 27. Qxa6 h6 28. Qa8+ Kh7 29. Qa7 Nd3 30. Rf1 Nc5 31. Qc7 Bxc6 32. dxc6 Ne4 33. Qxf7 Nd2 34. c7 1-0

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.26"]
[Round "2"]
[White "Milanez, Eduardo Medeiros"]
[Black "Vieira, Valdecir Dias"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "1885"]
[PlyCount "43"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. e3 e5 4. Nge2 Nf6 5. g3 Nb4 6. d3 d5 7. cxd5 Nfxd5 8. a3 Nxc3 9. Nxc3 Nc6 10. Bg2 Be7 11. 0-0 0-0 12. Qc2 Be6 13. Ne4 Bd5 14. f4 Rc8 15. Bd2 f5 16. Nf2 Bxg2 17. Kxg2 b6 18. Qc4+ Kh8 19. Bc3 exf4 20. gxf4 Nd4 21. exd4 cxd4 22. Qxd4 1-0

