[Event "Niteroi op 2nd"]
[Site "Niteroi"]
[Date "2022.09.07"]
[Round "9"]
[White "Da Silva, Diogo Viana"]
[Black "Stival da Silva, Javier Rodrigo"]
[Result "1/2-1/2"]
[ECO "E00"]
[WhiteElo "1750"]
[BlackElo "1807"]
[PlyCount "92"]
[EventDate "2022.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 b6 4. Bg2 c6 5. e4 d5 6. e5 Nfd7 7. Nh3 Ba6 8. 0-0 Bxc4 9. Re1 Be7 10. Qg4 Nf8 11. Qxg7 Ng6 12. Qh6 Bf8 13. Qh5 Bg7 14. Bg5 Qc7 15. Nd2 Ba6 16. Nf4 0-0 17. Bh6 Re8 18. Bxg7 Kxg7 19. Qg5 Nd7 20. Nh5+ Kh8 21. Qh6 Rg8 22. Nf3 Ngf8 23. Ng5 Rxg5 24. Qxg5 Ng6 25. Bf1 Bb7 26. Nf6 Qd8 27. h4 Nxf6 28. exf6 Qg8 29. h5 Nf8 30. Qh6 Nd7 31. Bd3 Re8 32. Re3 e5 33. Bf5 Bc8 34. dxe5 Nc5 35. Rf3 Bxf5 36. Rxf5 Ne6 37. Rf3 Nd4 38. Rd3 Ne6 39. Rc1 Nc5 40. Rd4 Rxe5 41. Rh4 Re6 42. Rd1 Nd7 43. Rf4 Qf8 44. Qg5 Qg8 45. Qh6 Qf8 46. Qg5 Qg8 1/2-1/2

[Event "Niteroi op 2nd"]
[Site "Niteroi"]
[Date "2022.09.06"]
[Round "8"]
[White "Costa, Luis Claudio De Sou"]
[Black "Da Silva, Diogo Viana"]
[Result "1/2-1/2"]
[ECO "A32"]
[BlackElo "1750"]
[PlyCount "73"]
[EventDate "2022.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nc6 3. Bb2 d6 4. e3 Nf6 5. c4 e6 6. Be2 Be7 7. 0-0 0-0 8. d4 cxd4 9. Nxd4 e5 10. Nxc6 bxc6 11. Nc3 Be6 12. Bf3 Qc7 13. Qc2 a5 14. Ne4 Nxe4 15. Qxe4 Ra6 16. c5 f5 17. Qd3 Raa8 18. Qc3 Rfc8 19. Rac1 Bf6 20. cxd6 Qxd6 21. Rfd1 Bd5 22. e4 fxe4 23. Bxe4 Qe6 24. f3 Rd8 25. Rd3 a4 26. bxa4 Rxa4 27. a3 Rc4 28. Qd2 Rxc1+ 29. Qxc1 Rb8 30. Qd2 Bxe4 31. fxe4 Qc4 32. Qc3 Qxe4 33. Rd6 Qb1+ 34. Bc1 Bg5 35. Rxc6 Qxc1+ 36. Qxc1 Bxc1 37. Rxc1 1/2-1/2

[Event "Niteroi op 2nd"]
[Site "Niteroi"]
[Date "2022.09.05"]
[Round "7"]
[White "Da Silva, Diogo Viana"]
[Black "Baptista, Andre Kemper"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1750"]
[BlackElo "1900"]
[PlyCount "122"]
[EventDate "2022.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 0-0 6. e3 Nbd7 7. Be2 c5 8. Qc2 cxd4 9. Nxd4 Nc5 10. 0-0 Ne6 11. Bh4 Nxd4 12. exd4 Qb6 13. d5 Qd4 14. Bg3 Bf5 15. Qb3 Nd7 16. Rfd1 Qb6 17. Qxb6 Nxb6 18. Rac1 Rac8 19. b3 Bh6 20. Ra1 Bc2 21. Rf1 Bd2 22. Nb5 Bf5 23. Nxa7 Ra8 24. Nb5 Bd7 25. a4 Bxb5 26. cxb5 Rfc8 27. Bd3 Rc3 28. Be2 Rxb3 29. Ra2 Bh6 30. a5 Nd7 31. f4 Nc5 32. Bf2 Ne4 33. Bd4 Rb4 34. a6 bxa6 35. Bb6 Nc3 36. Rc2 Nxe2+ 37. Rxe2 Rxb5 38. Bc7 Bf8 39. f5 Rxd5 40. fxg6 hxg6 41. Ref2 f5 42. g4 Rc8 43. Bb6 fxg4 44. Rf4 Rf5 45. Rxf5 gxf5 46. Rxf5 Rc4 47. Kg2 Bg7 48. Ra5 Bd4 49. Bd8 Kf7 50. Rxa6 Ke6 51. Ra2 Be5 52. Re2 Rb4 53. Bc7 Rb2 54. Rxb2 Bxb2 55. h3 gxh3+ 56. Kxh3 Kd5 57. Kg2 Ke4 58. Kf1 Kd3 59. Ke1 d5 60. Kd1 e5 61. Ba5 Bc3 0-1

[Event "Niteroi op 2nd"]
[Site "Niteroi"]
[Date "2022.09.04"]
[Round "5"]
[White "Da Silva, Diogo Viana"]
[Black "Lima, Vinicius Taishun"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1750"]
[BlackElo "2002"]
[PlyCount "104"]
[EventDate "2022.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 bxc4 5. e4 e6 6. Bxc4 exd5 7. exd5 d6 8. h3 Be7 9. Nf3 0-0 10. 0-0 Nbd7 11. Rd1 Nb6 12. b3 Bb7 13. Nc3 Re8 14. Bf4 g6 15. Rac1 Bc8 16. Re1 Nh5 17. Bh2 Ng7 18. Re2 Bf5 19. Bd3 a6 20. Rce1 Qd7 21. Bf4 Bf8 22. Ng5 Rxe2 23. Rxe2 Re8 24. Nge4 Bxe4 25. Bxe4 Nh5 26. Bg5 h6 27. Bh4 Bg7 28. Bf3 Nf4 29. Rxe8+ Qxe8 30. Bg3 Qe1+ 31. Kh2 Bxc3 32. Bxf4 Be5 33. Bxe5 Qxe5+ 34. Kg1 Nxd5 35. Qd2 Nc3 36. Bb7 a5 37. Ba6 Kg7 38. a3 d5 39. f4 Qf6 40. Bb7 d4 41. g3 Qe6 42. b4 axb4 43. axb4 Qxh3 44. bxc5 Qxg3+ 45. Bg2 Qxf4 46. Qxf4 Ne2+ 47. Kf1 Nxf4 48. Bh3 Nd5 49. c6 Kf6 50. Bg2 Nc7 51. Ke2 Ke5 52. Kd3 f5 0-1

[Event "Niteroi op 2nd"]
[Site "Niteroi"]
[Date "2022.09.04"]
[Round "6"]
[White "Stumpf, Luis Felipe T Cale"]
[Black "Da Silva, Diogo Viana"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1536"]
[BlackElo "1750"]
[PlyCount "106"]
[EventDate "2022.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nf3 Be7 7. Bc4 d6 8. 0-0 Nc6 9. exd6 Qxd6 10. Nc3 Nxc3 11. bxc3 0-0 12. a4 Qc7 13. Qc2 Bd7 14. Ba3 Bxa3 15. Rxa3 Qd6 16. Raa1 Rac8 17. Ng5 g6 18. Ne4 Qe7 19. Qd2 Kg7 20. Rfe1 Na5 21. Ba2 Nc4 22. Bxc4 Rxc4 23. a5 Bc6 24. Re3 Bxe4 25. Rxe4 Rfc8 26. Re3 Qg5 27. Qe1 Qb5 28. Qc1 Rxd4 29. Rh3 h5 30. Qe3 Ra4 31. Rxa4 Qxa4 32. Qe5+ Kg8 33. f4 Qd1+ 34. Kf2 Rd8 35. Re3 Rd2+ 36. Re2 Rxe2+ 37. Qxe2 Qxe2+ 38. Kxe2 Kf8 39. Kd3 Ke7 40. Kd4 Kd6 41. c4 b6 42. axb6 axb6 43. g3 f6 44. h4 Kc6 45. Ke4 Kc5 46. Kd3 b5 47. cxb5 Kxb5 48. Kd4 Kc6 49. Ke4 Kd6 50. Kd4 e5+ 51. fxe5+ fxe5+ 52. Ke4 Ke6 53. Kf3 Kf5 0-1

[Event "Niteroi op 2nd"]
[Site "Niteroi"]
[Date "2022.09.03"]
[Round "4"]
[White "Pavao, Alice Lara Biasi"]
[Black "Da Silva, Diogo Viana"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1366"]
[BlackElo "1750"]
[PlyCount "58"]
[EventDate "2022.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 e5 6. Nc3 d6 7. d3 Nge7 8. a3 0-0 9. Rb1 a5 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Nxd5 Bxd5 14. Bxd5 Qxd5 15. b4 cxb4 16. axb4 a4 17. b5 Nd4 18. Nxd4 Qxd4 19. Be3 Qd5 20. Qc1 Rfc8 21. Qa3 Bf8 22. Qa1 Rc2 23. Rb2 Rxb2 24. Qxb2 a3 25. Qc2 Qxb5 26. Qa2 Qb2 27. Qa1 Bb4 28. Rb1 Qxa1 29. Rxa1 a2 0-1

[Event "Niteroi op 2nd"]
[Site "Niteroi"]
[Date "2022.09.02"]
[Round "2"]
[White "Da Rocha, Cleber Lemos"]
[Black "Da Silva, Diogo Viana"]
[Result "1/2-1/2"]
[ECO "B30"]
[BlackElo "1750"]
[PlyCount "71"]
[EventDate "2022.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. c3 e5 7. Bg5 Nge7 8. Na3 d6 9. Nc2 Qa5 10. 0-0 0-0 11. Qd2 f6 12. Bh6 Be6 13. Bxg7 Kxg7 14. Ne3 d5 15. exd5 Nxd5 16. Nxd5 Bxd5 17. Rfd1 Rad8 18. Qe3 Rfe8 19. Nd2 Bxg2 20. Kxg2 b6 21. Qf3 Re6 22. Nc4 Qa6 23. Ne3 Ne7 24. a3 Red6 25. Nc4 R6d7 26. b4 Qc8 27. Rac1 Nf5 28. b5 Qb7 29. Qxb7 Rxb7 30. Kf3 Nd6 31. Nxd6 Rxd6 32. Ke4 Rbd7 33. g4 Rd5 34. a4 Kf7 35. f3 Ke6 36. Ke3 1/2-1/2

[Event "Niteroi op 2nd"]
[Site "Niteroi"]
[Date "2022.09.02"]
[Round "3"]
[White "Da Silva, Diogo Viana"]
[Black "Ramos, Angelo Bil"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "1750"]
[BlackElo "2003"]
[PlyCount "76"]
[EventDate "2022.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c5 5. e3 Qa5 6. dxc5 Bg7 7. Rc1 dxc4 8. Bxc4 Nc6 9. Nf3 Qxc5 10. Bb3 Qa5 11. 0-0 0-0 12. h3 e5 13. Bg5 Bf5 14. Nd5 Nxd5 15. Bxd5 Rac8 16. Qb3 Qb6 17. Qxb6 axb6 18. e4 Bd7 19. a3 b5 20. Rfd1 Kh8 21. Be3 f6 22. Rc5 Na5 23. Rdc1 Rxc5 24. Rxc5 Rc8 25. Rxc8+ Bxc8 26. Nd2 Bf8 27. b4 Nc6 28. Nb3 Ne7 29. Bc5 Kg7 30. Kf1 f5 31. Bd6 Nxd5 32. Bxe5+ Nf6 33. exf5 gxf5 34. f3 Kg6 35. Nd4 Bd7 36. g4 fxg4 37. hxg4 Nd5 38. f4 Ne3+ 0-1

[Event "Niteroi op 2nd"]
[Site "Niteroi"]
[Date "2022.09.01"]
[Round "1"]
[White "Da Silva, Diogo Viana"]
[Black "Loureiro, Luiz R Vasconcelos"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "1750"]
[BlackElo "2334"]
[PlyCount "66"]
[EventDate "2022.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Nf3 g6 5. 0-0 Bg7 6. b3 0-0 7. Bb2 c6 8. Nbd2 Nbd7 9. c4 Nh5 10. e4 fxe4 11. Nxe4 Ndf6 12. Nxf6+ Bxf6 13. Qd2 e6 14. Rad1 a5 15. a3 Qb6 16. b4 axb4 17. axb4 Ra2 18. Ra1 Qa6 19. Rxa2 Qxa2 20. Qc2 Qa7 21. c5 Qb8 22. Re1 Ng7 23. Nd2 Nf5 24. Qc4 dxc5 25. bxc5 Qc7 26. Nf3 b5 27. cxb6 Qxb6 28. Ba3 Rd8 29. Bc5 Qb5 30. Qc2 Nxd4 31. Bxd4 Bxd4 32. Nxd4 Rxd4 33. Qxc6 Qxc6 1/2-1/2

[Event "BRA-ch U2000 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.19"]
[Round "7"]
[White "Da Silva, Diogo Viana"]
[Black "Jiang, Lucas Zirui"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1852"]
[BlackElo "1499"]
[PlyCount "104"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 c6 2. Nf3 d5 3. c4 Nf6 4. g3 Bf5 5. Bg2 e6 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Nbd7 9. b4 Bxb1 10. Rxb1 a6 11. 0-0 Be7 12. Re1 Ne4 13. Nd2 Nxd2 14. Bxd2 Nf6 15. f3 0-0 16. e4 Rad8 17. Bc3 Rfe8 18. Rbd1 g6 19. Rd2 Bf8 20. h3 Nh5 21. Kf2 Bh6 22. Rde2 Bg7 23. e5 Bh6 24. f4 Ng7 25. Bf3 Nf5 26. Bg4 Kh8 27. Bxf5 gxf5 28. Kf3 Rg8 29. g4 fxg4+ 30. hxg4 Rg6 31. f5 exf5 32. gxf5 Rg5 33. f6 Rf5+ 34. Kg2 Rg8+ 35. Kh1 Bf4 36. Rg2 Rh5+ 37. Kg1 Bh2+ 38. Kf1 Rf5+ 39. Rf2 Rxf2+ 40. Kxf2 Bg3+ 41. Kf1 Bxe1 42. Bxe1 h5 43. Kf2 Rg4 44. Kf3 Re4 45. Bd2 Kh7 46. Kg3 Kg6 47. Bc3 h4+ 48. Kh3 Kh5 49. Kh2 Kg4 50. Kg2 h3+ 51. Kh2 Re2+ 52. Kg1 h2+ 0-1

[Event "BRA-ch U2000 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.18"]
[Round "5"]
[White "Da Silva, Diogo Viana"]
[Black "Usui, Gabriella Yumi"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1852"]
[BlackElo "1530"]
[PlyCount "108"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Nf3 dxc4 5. Bg2 Nc6 6. 0-0 Rb8 7. Qc2 b5 8. a4 a6 9. Rd1 Nb4 10. Qd2 Ne4 11. Qf4 Bb7 12. Ne5 Qf6 13. axb5 axb5 14. Ra5 Nd6 15. Bxb7 Rxb7 16. Ra8+ Ke7 17. Qd2 Nd5 18. Nc3 h5 19. h4 Nb6 20. Nc6+ Kd7 21. Ne5+ Ke7 22. Ra5 Nd5 23. Qc2 Nb4 24. Qb1 Qf5 25. e4 Qh7 26. b3 f6 27. Nf3 Nd3 28. Be3 Nxe4 29. Ne2 Nd6 30. Qc2 Qe4 31. Nd2 Qc6 32. Rda1 Nb4 33. Qc3 Nd5 34. Qc2 Kd7 35. Bf4 c3 36. Rc1 Qb6 37. Ra8 cxd2 38. Bxd2 Ra7 39. Rxa7 Qxa7 40. Nf4 Nxf4 41. Qc6+ Kd8 42. Bxf4 Qb6 43. Qa8+ Kd7 44. b4 Rg8 45. Be3 Qb7 46. Qa2 Nc4 47. Bf4 Bxb4 48. Qe2 Bd6 49. Qxh5 Re8 50. Qg4 Re7 51. Rf1 Bxf4 52. d5 Bd2 53. dxe6+ Kc8 54. Qh5 Qc6 0-1

[Event "BRA-ch U2000 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.18"]
[Round "6"]
[White "Fernandes, Joao Manoel Strauss"]
[Black "Da Silva, Diogo Viana"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "1642"]
[BlackElo "1852"]
[PlyCount "67"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Nf6 8. 0-0-0 Ne5 9. Qg3 h5 10. f4 h4 11. Qe1 Neg4 12. e5 Nxe3 13. Qxe3 Ng4 14. Qf3 f5 15. h3 Nh6 16. Qh5+ Nf7 17. Qf3 Bb4 18. g4 g6 19. gxf5 gxf5 20. Rg1 Rb8 21. Nd5 exd5 22. Nxf5 b5 23. Qxd5 Rf8 24. Nd6+ Nxd6 25. exd6 Qxd6 26. Qh5+ Kd8 27. Rxd6 Bxd6 28. Qxh4+ Kc7 29. Rg4 Bb7 30. Qg3 Bc6 31. Bd3 Rxf4 32. Rxf4 Rf8 33. Bf5 Rxf5 34. Rxf5 1/2-1/2

[Event "BRA-ch U2000 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.17"]
[Round "3"]
[White "Da Silva, Diogo Viana"]
[Black "Vieira, Alexandre Letizio"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "1852"]
[BlackElo "1698"]
[PlyCount "65"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Nf3 Be7 5. Bg2 dxc4 6. 0-0 0-0 7. Qc2 Nbd7 8. Qxc4 c5 9. Rd1 a6 10. a4 Nb6 11. Qc2 cxd4 12. Nxd4 Nbd5 13. Nd2 Bd7 14. e4 Nb4 15. Qb3 Qe8 16. Nc4 Bc5 17. Bg5 Rc8 18. Ne5 Bxd4 19. Nxd7 Nxd7 20. Qxb4 e5 21. Bh3 Rc2 22. Rd2 Rxd2 23. Bxd2 Nc5 24. Be3 Bxe3 25. fxe3 Qc6 26. Rc1 Nd3 27. Rxc6 Nxb4 28. Rb6 Nc2 29. Kf2 g6 30. Rxb7 Rd8 31. Ke2 Rd6 32. a5 Kg7 33. Rb6 1-0

[Event "BRA-ch U2000 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.17"]
[Round "4"]
[White "Lima, Ivan Varga"]
[Black "Da Silva, Diogo Viana"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "1680"]
[BlackElo "1852"]
[PlyCount "125"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 Bg7 6. g3 Nb6 7. Bg2 0-0 8. 0-0 Nc6 9. e3 Bd7 10. h3 Qc8 11. Kh2 Rd8 12. Qe2 e5 13. d5 Ne7 14. e4 Be8 15. Bg5 f6 16. Be3 Qd7 17. Rfd1 Nbc8 18. a4 Nd6 19. h4 c6 20. Bh3 Qc7 21. Rac1 b6 22. dxc6 Nxc6 23. Nb5 Qe7 24. Qc2 Nxb5 25. axb5 Na5 26. Qa4 Bf7 27. Nd2 Bf8 28. Kg2 Nb7 29. Rc6 Nc5 30. Qc2 Be6 31. Bxe6+ Nxe6 32. Nb1 Rxd1 33. Qxd1 Rd8 34. Qb3 Rd6 35. Rc8 Kg7 36. Nc3 Nd4 37. Qc4 Rd7 38. Nd5 Qe6 39. b4 Qg4 40. Bxd4 Qxe4+ 41. Kh2 Qxd4 42. Ne3 Qxc4 43. Rxc4 Kf7 44. Kg2 Ke6 45. Ng4 Rd4 46. Rc6+ Bd6 47. Kf3 f5 48. Ne3 f4 49. Nc4 fxg3 50. fxg3 Ke7 51. Ke3 Rd5 52. Ke4 Rd4+ 53. Ke3 Rd1 54. Ke4 Re1+ 55. Kd5 Rd1+ 56. Ke4 Rd4+ 57. Ke3 h6 58. g4 g5 59. h5 Kd7 60. Kf3 Rf4+ 61. Ke3 Rd4 62. Kf3 Ke7 63. Ke3 1/2-1/2

[Event "BRA-ch U2000 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.16"]
[Round "1"]
[White "Da Silva, Diogo Viana"]
[Black "Oliveira, Francisco Evandro S"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1852"]
[BlackElo "1620"]
[PlyCount "51"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 0-0 6. e3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nxe5 Be6 10. Be2 Nbd7 11. Nxd7 Rxd7 12. e4 Ne8 13. c5 c6 14. 0-0 f6 15. Bf4 g5 16. Be3 a6 17. Rac1 Rad8 18. b3 Bf8 19. Na4 Rg7 20. Nb6 f5 21. exf5 Bxf5 22. Bc4+ Kh8 23. Rfd1 Rxd1+ 24. Rxd1 Be7 25. Re1 Nc7 26. Bd4 1-0

[Event "BRA-ch U2000 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.16"]
[Round "2"]
[White "Funayama S A, Yuri"]
[Black "Da Silva, Diogo Viana"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1610"]
[BlackElo "1852"]
[PlyCount "61"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Nf3 0-0 9. Qd2 Bg4 10. Be2 Qa5 11. Rb1 cxd4 12. cxd4 Qxd2+ 13. Nxd2 Bc8 14. 0-0 Nc6 15. d5 Na5 16. f4 e6 17. Nc4 Nxc4 18. Bxc4 b6 19. d6 e5 20. fxe5 Bxe5 21. Bh6 Bd4+ 22. Kh1 Bg7 23. Bg5 Bd7 24. Be7 Be5 25. Bxf8 Rxf8 26. Rbd1 Kg7 27. Rf3 Bg4 28. Rd5 Bxf3 29. Rxe5 Bg4 30. Re7 Be6 31. Bxe6 1-0

[Event "Sao Paulo STD U2200 op 2nd"]
[Site "Sao Paulo"]
[Date "2018.09.09"]
[Round "4"]
[White "Da Silva, Diogo Viana"]
[Black "Nobre, Jailson Altair Barb"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1895"]
[BlackElo "1730"]
[PlyCount "43"]
[EventDate "2018.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. Nf3 Be7 4. e3 0-0 5. Bd3 d6 6. Nbd2 c5 7. c3 Nh5 8. Bg3 Nxg3 9. hxg3 h6 10. Qe2 Nd7 11. g4 cxd4 12. exd4 d5 13. Bc2 Re8 14. Qd3 Nf8 15. Ne5 Bg5 16. g3 Bxd2+ 17. Kxd2 Qf6 18. f4 g5 19. Raf1 Re7 20. Rh5 gxf4 21. gxf4 Kg7 22. g5 1-0

[Event "Sao Paulo STD U2200 op 2nd"]
[Site "Sao Paulo"]
[Date "2018.09.09"]
[Round "6"]
[White "Da Silva, Diogo Viana"]
[Black "Seccafim, Caic Dos Santos"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1895"]
[BlackElo "1740"]
[PlyCount "45"]
[EventDate "2018.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 cxd4 4. exd4 g6 5. Nf3 Bg7 6. Nbd2 d5 7. Be2 Nc6 8. h3 Bf5 9. c3 0-0 10. a4 Re8 11. 0-0 Qd7 12. b4 Rac8 13. a5 a6 14. b5 axb5 15. Bxb5 Qd8 16. Qb3 Nxa5 17. Qa4 Nc6 18. Ne5 Nxe5 19. Bxe8 Nd3 20. Bxf7+ Kxf7 21. Bh2 Rxc3 22. Qb5 Qd7 23. Nf3 0-1

[Event "Sao Paulo STD U2200 op 2nd"]
[Site "Sao Paulo"]
[Date "2018.09.09"]
[Round "5"]
[White "Haraguchi, Matheus Sashaki"]
[Black "Da Silva, Diogo Viana"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1577"]
[BlackElo "1895"]
[PlyCount "108"]
[EventDate "2018.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 d5 3. cxd5 Nxd5 4. d4 c5 5. Nc3 e6 6. e3 cxd4 7. exd4 Bb4 8. Bd2 0-0 9. a3 Bd6 10. Nxd5 exd5 11. Be2 h6 12. 0-0 Bf5 13. Bc3 Re8 14. Bd3 Be4 15. Re1 f5 16. Bxe4 fxe4 17. Nd2 Qh4 18. g3 Qg5 19. Re3 Nd7 20. Re2 Nf6 21. Nf1 Qh5 22. Qe1 Qh3 23. Ne3 Nh7 24. Qf1 Qh5 25. h4 Rf8 26. Bb4 Bxg3 27. Bxf8 Rxf8 28. Rc2 Bxh4 29. Qg2 Ng5 30. Kf1 Nf3 31. Rc7 Nh2+ 32. Ke1 Nf3+ 33. Kf1 Nh2+ 34. Ke1 Bxf2+ 35. Kd2 Bxe3+ 36. Kxe3 Ng4+ 37. Ke2 Rf2+ 38. Qxf2 Nxf2+ 39. Kxf2 Qf3+ 40. Ke1 Qh1+ 41. Kd2 Qxa1 42. Kc2 Qf1 43. Rc3 Qe2+ 44. Kb3 Qd2 45. Rc8+ Kh7 46. a4 e3 47. a5 e2 48. a6 bxa6 49. Ka2 e1Q 50. Kb3 Qed1+ 51. Ka2 Qa4+ 52. Kb1 Qb3 53. Rh8+ Kxh8 54. Ka1 Qdxb2# 0-1

[Event "Sao Paulo STD U2200 op 2nd"]
[Site "Sao Paulo"]
[Date "2018.09.08"]
[Round "2"]
[White "Da Silva, Diogo Viana"]
[Black "Simao Vasconcellos, Pedro Augusto"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1895"]
[BlackElo "1820"]
[PlyCount "104"]
[EventDate "2018.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 d6 5. Be2 0-0 6. 0-0 c5 7. c4 Qb6 8. Qb3 Nc6 9. Qxb6 axb6 10. dxc5 bxc5 11. Nc3 Bf5 12. Nd2 Nd7 13. g4 Be6 14. Rfd1 Nde5 15. h3 Nb4 16. Bg3 f5 17. Bxe5 Bxe5 18. a3 Nc6 19. Rab1 f4 20. Nd5 fxe3 21. fxe3 Bd7 22. Nf3 Bg7 23. Nb6 Rad8 24. b4 cxb4 25. axb4 Ne5 26. Nd4 Bh6 27. Rb3 Rf6 28. Nxd7 Nxd7 29. h4 Bg7 30. g5 Rf7 31. Bg4 Nf8 32. Ne6 Ra8 33. c5 Ra1 34. Nxg7 Rxd1+ 35. Bxd1 Kxg7 36. Rd3 dxc5 37. bxc5 Rf5 38. Rb3 Rxc5 39. Be2 Re5 40. Kf2 h6 41. Rxb7 hxg5 42. hxg5 Nh7 43. Rb5 Rf5+ 44. Kg2 Nxg5 45. Bd3 Rxb5 46. Bxb5 Kf6 47. Bd3 e5 48. Bc2 e4 49. Kg3 Ke5 50. Bb3 Nf3 51. Kg4 Kf6 52. Bd5 Ke5 1/2-1/2

[Event "Sao Paulo STD U2200 op 2nd"]
[Site "Sao Paulo"]
[Date "2018.09.08"]
[Round "3"]
[White "De Macedo, Camila Ferreira"]
[Black "Da Silva, Diogo Viana"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "1656"]
[BlackElo "1895"]
[PlyCount "98"]
[EventDate "2018.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. e3 g6 5. d4 cxd4 6. exd4 d5 7. Be2 Bg7 8. 0-0 a6 9. Bf4 e6 10. cxd5 Nxd5 11. Bg5 Qd6 12. Bc4 Nb6 13. Ne4 Qc7 14. Bb3 Nd7 15. d5 exd5 16. Qxd5 0-0 17. Qd2 Qa5 18. Qd6 h6 19. Bd2 Qh5 20. Bc3 Nce5 21. Nxe5 Bxe5 22. Bxe5 Qxe5 23. Qxg6+ Qg7 24. Qxg7+ Kxg7 25. Nd6 Nc5 26. Bd5 Rb8 27. b4 Nd3 28. Nxc8 Rfxc8 29. a3 Rc7 30. Be4 Nf4 31. Bf3 b6 32. Rac1 Rbc8 33. Rxc7 Rxc7 34. Ra1 a5 35. bxa5 bxa5 36. g3 Nd3 37. Be2 Rc3 38. a4 Rb3 39. Rd1 Nb2 40. Ra1 Rb4 41. Bb5 Nc4 42. Bxc4 Rxc4 43. Kf1 f5 44. Ke2 Kf6 45. Ra2 Kg5 46. f4+ Kf6 47. Ke3 h5 48. h3 Rc3+ 49. Kf2 Rc4 1/2-1/2

[Event "Sao Paulo STD U2200 op 2nd"]
[Site "Sao Paulo"]
[Date "2018.09.08"]
[Round "1"]
[White "Okuda, Paulo Alexandre Yuj"]
[Black "Da Silva, Diogo Viana"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1561"]
[BlackElo "1895"]
[PlyCount "100"]
[EventDate "2018.09.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 Qc7 5. d4 cxd4 6. Nxd4 b5 7. a3 Bb7 8. Bd3 Bc5 9. Nb3 Be7 10. 0-0 d6 11. Qg4 Bf6 12. f5 Bc8 13. Bg5 Qe7 14. Bf4 Nc6 15. fxe6 fxe6 16. Qf3 Ne5 17. Bxe5 Bxe5 18. Rae1 Nf6 19. Nd2 0-0 20. Qe2 Qc7 21. Nd1 Qc5+ 22. Kh1 Bb7 23. b4 Qc6 24. Nf3 Rad8 25. Nxe5 dxe5 26. Ne3 Nxe4 27. Ng4 Nc3 28. Nxe5 Nxe2 29. Rxf8+ Rxf8 30. Nxc6 Bxc6 31. Bxe2 Rf2 32. Bf3 Bxf3 33. gxf3 Rxf3 34. Rxe6 Rxa3 35. Rc6 g6 36. Kg2 Ra2 37. Kf3 Kg7 38. Kf4 a5 39. bxa5 Rxa5 40. c3 Ra2 41. h4 Ra4+ 42. Kg3 Rc4 43. Rxc4 bxc4 44. Kf4 Kf6 45. Ke4 h6 46. Kd4 g5 47. hxg5+ Kxg5 48. Kxc4 h5 49. Kd3 Kf4 50. c4 h4 1/2-1/2

