[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.07"]
[Round "7"]
[White "De Oliveira, Luis Arthur Aveline"]
[Black "Siebra, Samara Belem"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1593"]
[BlackElo "1800"]
[PlyCount "95"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 0-0 5. g3 d6 6. Bg2 Ne4 7. Bxg7 Kxg7 8. 0-0 Kg8 9. d4 Re8 10. Qc2 Nf6 11. Nfd2 Nc6 12. Qb2 e5 13. d5 Nd4 14. Re1 Ng4 15. e3 Nf5 16. Nc3 Qg5 17. Nde4 Qe7 18. Qe2 Nf6 19. b4 Nxe4 20. Nxe4 Nh6 21. h3 f5 22. Nc3 f4 23. exf4 Rf8 24. fxe5 Nf5 25. e6 Nd4 26. Qd3 Qg7 27. Rad1 Qf6 28. Qxd4 Qxd4 29. Rxd4 b6 30. Nb5 c5 31. e7 Re8 32. Rf4 Rb8 33. Nxd6 Rxe7 34. Rfe4 Rxe4 35. Rxe4 Bf5 36. Nxf5 gxf5 37. Re7 cxb4 38. d6 Kf8 39. Rxa7 Rd8 40. Ra8 Rxa8 41. Bxa8 Ke8 42. Bc6+ Kd8 43. Kg2 b3 44. axb3 b5 45. cxb5 f4 46. b6 fxg3 47. b7 gxf2 48. b8R# 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.07"]
[Round "6"]
[White "Siebra, Samara Belem"]
[Black "Corralo, Fabio Ferreira"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1800"]
[PlyCount "48"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. Ba4 Nf6 5. Nc3 b5 6. Bb3 d6 7. Ng5 Be6 8. Nxe6 fxe6 9. Bxe6 Nd4 10. Nd5 Nxe6 11. Nxf6+ Qxf6 12. 0-0 0-0-0 13. d3 d5 14. Bd2 h5 15. c4 dxc4 16. dxc4 Bb4 17. Qe2 Nd4 18. Qe1 Bxd2 19. Qd1 Bf4 20. cxb5 Bxh2+ 21. Kxh2 Qf4+ 22. g3 Nf3+ 23. Kh1 Qg4 24. Qa4 Qh3# 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.07"]
[Round "5"]
[White "Siebra, Samara Belem"]
[Black "Xavier, Adriana Goncalves"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "90"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. 0-0 e5 8. Nb5 a6 9. N5c3 Be7 10. Re1 0-0 11. Qf3 Re8 12. Qg3 Nf8 13. Bh6 Ng6 14. Bg5 Qa5 15. Na3 b5 16. Nd5 Nxd5 17. exd5 b4 18. Nc4 Qc7 19. b3 Qc5 20. Red1 Bxg5 21. Qxg5 Nf4 22. g3 Nh3+ 23. Kh1 Nxg5 24. h4 Nh3 25. Rf1 Nxf2+ 26. Kg2 Ng4 27. Nxd6 Ne3+ 28. Kh1 Nxf1 29. Nxe8 Nxg3+ 30. Kg2 Rxe8 31. Kxg3 Qxd5 32. Rg1 e4 33. c4 Qd3+ 34. Kh2 e3 35. h5 e2 36. h6 Qd6+ 37. Kh1 Qxh6+ 38. Kg2 e1Q 39. Rxe1 Rxe1 40. a4 Qf4 41. a5 Rd1 42. Kh3 Rd3+ 43. Kg2 Qd2+ 44. Kh1 Qc2 45. c5 Rd1# 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.06"]
[Round "3"]
[White "Nunes Da Silva, Tadeu Fernando"]
[Black "Siebra, Samara Belem"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1351"]
[BlackElo "1800"]
[PlyCount "89"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. a3 Nf6 4. Nc3 d6 5. Bc4 Be6 6. Be2 Be7 7. h3 d5 8. exd5 Bxd5 9. d3 e4 10. dxe4 Bxe4 11. 0-0 Qc8 12. Nxe4 Nxe4 13. Re1 0-0 14. Nd4 Rd8 15. c3 Nxd4 16. cxd4 Bc5 17. Be3 g5 18. Bg4 Qb8 19. Qa4 Bb6 20. Red1 c6 21. Qc2 Qd6 22. Qxe4 Re8 23. Qd3 Bc7 24. g3 c5 25. Bxg5 Rab8 26. Bf4 Qb6 27. dxc5 Qg6 28. Qxg6+ hxg6 29. Bxc7 Ra8 30. Bd6 Rad8 31. Re1 Rxe1+ 32. Rxe1 f5 33. Bf3 b6 34. b4 Kh8 35. Be7 Re8 36. Bf6+ Kh7 37. Rxe8 g5 38. Bxg5 Kg7 39. Bf4 Kf7 40. Ra8 Ke7 41. Rxa7+ Ke8 42. cxb6 Kd8 43. b7 Kd7 44. b8Q+ Ke6 45. Qe5# 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.06"]
[Round "2"]
[White "Siebra, Samara Belem"]
[Black "Santos, Ederson Silveira"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "84"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. d3 dxe4 4. Ne5 Nf6 5. f3 exf3 6. Qxf3 Nbd7 7. Nxd7 Qxd7 8. Be2 Bc5 9. c3 c6 10. Be3 Bxe3 11. Qxe3 h6 12. 0-0 b6 13. Nd2 Ba6 14. Ne4 Nxe4 15. dxe4 Bxe2 16. Qxe2 0-0-0 17. Rad1 Qc7 18. Rf2 Rxd1+ 19. Qxd1 f6 20. Rd2 Rd8 21. Rxd8+ Qxd8 22. Qg4 Qd7 23. h3 e5 24. Qxd7+ Kxd7 25. Kf2 Ke6 26. Ke3 f5 27. exf5+ Kxf5 28. Kd3 Kf4 29. Kc4 e4 30. b4 Ke3 31. b5 cxb5+ 32. Kxb5 Kd3 33. c4 e3 34. c5 bxc5 35. Kxc5 e2 36. a4 e1Q 37. Kb5 a5 38. Ka6 Qb4 39. g4 Kd4 40. Ka7 Kc5 41. g5 Kc6 42. gxh6 Qb7# 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.05"]
[Round "1"]
[White "Dos Santos, Guilherme Fortes"]
[Black "Siebra, Samara Belem"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "1736"]
[BlackElo "1800"]
[PlyCount "47"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f4 d6 6. e5 Re8 7. exf6 Bxf6 8. Nf3 e5 9. dxe5 dxe5 10. Qxd8 Rxd8 11. fxe5 Re8 12. Be2 Bxe5 13. Nxe5 Rxe5 14. 0-0 Nc6 15. Bf4 Re7 16. Bf3 Nd4 17. Nd5 Rd7 18. Nxc7 Nc2 19. Rac1 Rb8 20. Rxc2 Rd4 21. Nd5 Bf5 22. Ne7+ Kh8 23. Be5+ f6 24. Bxf6# 1-0

