[Event "Pelotas Gaucho op"]
[Site "Pelotas"]
[Date "2023.10.15"]
[Round "7"]
[White "Gandra, Arthur Valente"]
[Black "Silveira, Arthur Vieira"]
[Result "1/2-1/2"]
[ECO "C64"]
[WhiteElo "1800"]
[PlyCount "67"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bb5 Nc6 4. c3 Bc5 5. d4 exd4 6. Nxd4 Nxd4 7. cxd4 Bb6 8. 0-0 0-0 9. Re1 Ng4 10. Qxg4 d6 11. Qd1 Bd7 12. Bc4 Re8 13. h3 Ba5 14. Re3 Be6 15. d5 Bd7 16. Nd2 f5 17. Qe2 fxe4 18. Rxe4 Rxe4 19. Nxe4 Qe8 20. Bd3 Qb8 21. a3 Bb6 22. b4 Bd4 23. Bb2 Bxb2 24. Qxb2 Bf5 25. Re1 Qf8 26. g4 Bd7 27. Ng5 h6 28. Nf3 Qxf3 29. Qe2 Qf8 30. Bg6 Qf6 31. Be4 Qc3 32. Rc1 Qf6 33. Rxc7 Qd8 34. Rxb7 1/2-1/2

[Event "Pelotas Gaucho op"]
[Site "Pelotas"]
[Date "2023.10.15"]
[Round "6"]
[White "Silveira, Arthur Vieira"]
[Black "Schulte, Inacio Mascarenhas"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "1800"]
[PlyCount "50"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. 0-0 d5 5. Bb5 dxe4 6. Ne1 a6 7. Be2 Nf6 8. d3 g6 9. Be3 b6 10. Bg5 Bg7 11. d4 Qxd4 12. Qxd4 Nxd4 13. Bd1 0-0 14. Nc3 Nd5 15. Bd2 Nxc3 16. Bxc3 Nb5 17. Be2 Bxc3 18. Rc1 Bxb2 19. Rb1 Be5 20. Rd1 Bb7 21. a4 Nc7 22. g3 Rad8 23. Rc1 b5 24. axb5 axb5 25. f4 Bd4+ 0-1

[Event "Pelotas Gaucho op"]
[Site "Pelotas"]
[Date "2023.10.14"]
[Round "5"]
[White "Borges, Pedro Guimaraes"]
[Black "Silveira, Arthur Vieira"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1760"]
[PlyCount "91"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. 0-0 0-0 6. d3 d6 7. Re1 Bg4 8. h3 Be6 9. Bxe6 fxe6 10. Be3 Nd4 11. Ng5 Bb4 12. Bxd4 Qe8 13. Be3 Bc5 14. Bxc5 dxc5 15. b3 h6 16. Nf3 Qe7 17. Nxe5 Rfd8 18. Qd2 a6 19. Qe3 b6 20. Nc6 Qd6 21. Nxd8 Qxd8 22. e5 Nd7 23. Rad1 b5 24. d4 cxd4 25. Qxd4 Rb8 26. Qxd7 Qf8 27. Qxc7 Ra8 28. Rd7 b4 29. Red1 bxc3 30. Rd8 Rxd8 31. Rxd8 Qxd8 32. Qxd8+ Kh7 33. a4 g5 34. b4 h5 35. b5 axb5 36. axb5 Kg6 37. Qf6+ Kh7 38. Qxg5 h4 39. b6 Kh8 40. b7 Kh7 41. Qh5+ Kg7 42. Qxh4 Kf7 43. Qf6+ Ke8 44. b8R+ Kd7 45. Qd8+ Kc6 46. Qd6# 1-0

[Event "Pelotas Gaucho op"]
[Site "Pelotas"]
[Date "2023.10.13"]
[Round "4"]
[White "Silveira, Arthur Vieira"]
[Black "Lima, Joao Pedro Bastos"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1800"]
[PlyCount "40"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. Nc3 Nf6 5. Bb5+ c6 6. Ba4 Bd6 7. 0-0 0-0 8. Qe1 Re8 9. Qd1 Bg4 10. d3 Nbd7 11. g3 Ne5 12. Nxe5 Bxd1 13. Rxd1 Bxe5 14. Bf4 Bxf4 15. gxf4 Qd6 16. Kf1 Qxf4 17. Ne2 Qxa4 18. b3 Qh4 19. Kg2 Rxe2 20. Kf1 Qxf2# 0-1

[Event "Pelotas Gaucho op"]
[Site "Pelotas"]
[Date "2023.10.13"]
[Round "3"]
[White "Zhong, Lanxin"]
[Black "Silveira, Arthur Vieira"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1489"]
[PlyCount "31"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Bc5 3. Nf3 Ne7 4. e4 0-0 5. Bc4 d6 6. exd6 cxd6 7. 0-0 Nbc6 8. a3 Nd4 9. Nxd4 Bxd4 10. c3 Bb6 11. Bf4 g5 12. Bxg5 Re8 13. Qh5 a6 14. Bf6 Bd7 15. Qh6 Bb5 16. Qg7# 1-0

[Event "Pelotas Gaucho op"]
[Site "Pelotas"]
[Date "2023.10.12"]
[Round "2"]
[White "Silveira, Arthur Vieira"]
[Black "Spritzer, Abrao Rafael"]
[Result "0-1"]
[ECO "B27"]
[BlackElo "1834"]
[PlyCount "34"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. Nf3 Bg7 4. Bc4 e6 5. 0-0 Ne7 6. d3 0-0 7. Be3 b6 8. Qe1 d5 9. exd5 exd5 10. Bb3 d4 11. Nxd4 cxd4 12. Bxd4 Bxd4 13. Rb1 Bb7 14. Kh1 Nf5 15. Rg1 Qh4 16. Bd5 Bxf2 17. Qf1 Ng3# 0-1

