[Event "Salvador op"]
[Site "Salvador"]
[Date "2023.01.??"]
[Round "?"]
[White "Costa, Alisson Oliveira"]
[Black "Da Silva, Camila Evaristo"]
[Result "1/2-1/2"]
[ECO "C43"]
[BlackElo "1684"]
[PlyCount "71"]
[EventDate "2023.01.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. dxe5 d5 5. Bd3 Be7 6. Bxe4 dxe4 7. Qxd8+ Bxd8 8. Ng5 Bf5 9. Nc3 e3 10. Bxe3 Bxc2 11. e6 Bxg5 12. exf7+ Kxf7 13. Bxg5 c6 14. 0-0 h6 15. Bh4 Nd7 16. Rfe1 Rhe8 17. h3 Rxe1+ 18. Rxe1 Re8 19. Rc1 Bf5 20. g4 Bh7 21. Rd1 Ne5 22. Kg2 g5 23. Bg3 Nc4 24. b3 Nb6 25. Rd2 Re6 26. f3 Ke7 27. h4 Re3 28. Nd1 Re6 29. hxg5 hxg5 30. Nf2 Nd5 31. Nh3 Kf6 32. Kf2 Re7 33. Bd6 Re6 34. Ba3 Bg8 35. Bb2+ Kg6 36. Bd4 1/2-1/2

[Event "Salvador op"]
[Site "Salvador"]
[Date "2023.01.??"]
[Round "?"]
[White "Costa, Alisson Oliveira"]
[Black "Da Silva, Erick Feitosa"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "1892"]
[PlyCount "74"]
[EventDate "2023.01.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. 0-0 0-0 11. Rc1 Nb6 12. Nb3 Nxc4 13. Rxc4 Be6 14. Rc3 Bd5 15. Ne5 Nxe5 16. dxe5 c6 17. h3 Qg5 18. Rg3 Qxe5 19. Qc1 b6 20. Re1 Qf6 21. Nd2 Rfe8 22. b3 Rad8 23. Nf3 h6 24. Nh2 Rxe1+ 25. Qxe1 Be6 26. Qc1 c5 27. Nf1 Kh8 28. Ne3 Qd4 29. Qa3 a5 30. Qc1 a4 31. Nc4 Qd1+ 32. Qxd1 Rxd1+ 33. Kh2 Bxc4 34. bxc4 Rc1 35. Rg4 Rc2 36. Re4 Rxa2 37. f4 Rc2 0-1

[Event "Salvador op"]
[Site "Salvador"]
[Date "2023.01.??"]
[Round "?"]
[White "Soares Junior, Douglas Borges"]
[Black "Costa, Alisson Oliveira"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1614"]
[PlyCount "66"]
[EventDate "2023.01.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Qe2 Nf6 5. e5 Bxb5 6. Qxb5+ Nfd7 7. Qxb7 Nb6 8. exd6 Qxd6 9. Qe4 Nc6 10. 0-0 g6 11. Nc3 Bg7 12. b3 0-0 13. Bb2 a6 14. Na4 Nxa4 15. Bxg7 Kxg7 16. Qxa4 Nb4 17. c3 Nd3 18. Qe4 Rad8 19. Rad1 f5 20. Qh4 e5 21. a3 e4 22. Ng5 h6 23. Nh3 g5 24. Qg3 g4 25. f3 Qxg3 26. hxg3 gxh3 27. gxh3 Nb2 28. Rb1 Rxd2 29. fxe4 fxe4 30. Rxf8 Kxf8 31. Re1 Rd1 32. Rxd1 Nxd1 33. c4 Ke7 0-1

[Event "Salvador op"]
[Site "Salvador"]
[Date "2023.01.??"]
[Round "?"]
[White "Teixeira, Paulo Roberto Cruz"]
[Black "Costa, Alisson Oliveira"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "67"]
[EventDate "2023.01.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Nc6 4. Bg2 g6 5. e3 Bg7 6. Nge2 0-0 7. a3 d6 8. b4 a6 9. Bb2 Be6 10. b5 axb5 11. cxb5 Na5 12. d3 Rb8 13. 0-0 Nb3 14. Rb1 Nc5 15. d4 exd4 16. Nxd4 Qc8 17. a4 Bc4 18. Nde2 Bb3 19. Qd2 Bxa4 20. Nxa4 Nxa4 21. Ba3 Nb6 22. Rbc1 Qd7 23. Nd4 Ng4 24. Rc2 Nf6 25. Rfc1 Rfc8 26. e4 Ne8 27. Rb1 c5 28. bxc6 bxc6 29. Rbc1 c5 30. Ne2 Rc7 31. h4 Qc6 32. Qd3 c4 33. Qf3 Rd7 34. Bb2 1/2-1/2

