[Event "Blumenau U2400 op"]
[White "Ferreira, Gabriel Sofka Antun"]
[Black "Sofka, Gustavo Antunes Fer"]
[Site "Blumenau"]
[Round "6"]
[Result "0-1"]
[Date "2024.09.01"]
[ECO "C50"]
[BlackElo "1473"]
[PlyCount "108"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. 0-0 0-0 6. d3 a6 7. a4 d6 8. h3 h6 9. Be3 Ba7 10. Bxa7 Rxa7 11. d4 Be6 12. Ba2 d5 13. exd5 Nxd5 14. Nxd5 e4 15. Ne5 Bxd5 16. Bxd5 Qxd5 17. c3 Nxe5 18. dxe5 Qxe5 19. Qd4 Qxd4 20. cxd4 Raa8 21. Rac1 Rac8 22. b4 Rfd8 23. Rfd1 Rd7 24. b5 axb5 25. axb5 Ra8 26. Rd2 Ra4 27. Rcd1 Rb4 28. Re2 Rdxd4 29. Red2 Rxd2 30. Rxd2 Rxb5 31. Re2 Re5 32. f4 Re7 33. Rb2 b6 34. Ra2 c5 35. Rc2 Rc7 36. Kf2 Kf8 37. Ke3 f5 38. g4 g6 39. Rb2 Rb7 40. g5 h5 41. Kd2 Ke7 42. Kc3 b5 43. h4 Kd6 44. Ra2 Rb6 45. Ra7 Kd5 46. Rd7+ Rd6 47. Ra7 b4+ 48. Kb3 Kd4 49. Ra1 Rc6 50. Rd1+ Ke3 51. Rf1 Ke2 52. Rc1 Kd2 53. Rf1 e3 54. Rc1 Kxc1 0-1

[Event "Blumenau U2400 op"]
[White "Sofka, Gustavo Antunes Fer"]
[Black "Campagnolo, Fabiola"]
[Site "Blumenau"]
[Round "5"]
[Result "0-1"]
[Date "2024.09.01"]
[ECO "B40"]
[WhiteElo "1473"]
[BlackElo "1808"]
[PlyCount "68"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. f3 d5 7. Bb5+ Bd7 8. e5 Ng8 9. Bd2 Nc6 10. Nce2 Nxd4 11. Nxd4 Qh4+ 12. g3 Qxd4 13. Bxd7+ Kxd7 14. c3 Qxe5+ 15. Kf2 Bc5+ 16. Kg2 Nf6 17. Bf4 Qf5 18. Qe2 a6 19. h4 Bd6 20. Bxd6 Kxd6 21. g4 Qe5 22. Qd2 Kc7 23. Rhd1 Rad8 24. c4 dxc4 25. Qb4 Kb8 26. Qxc4 Qxb2+ 27. Kh3 Qa3 28. Kg3 Nd5 29. Qd4 Qd6+ 30. Kf2 Qh2+ 31. Kf1 Nf4 32. Qf2 Qh1+ 33. Qg1 Qxf3+ 34. Ke1 Qe2# 0-1

[Event "Blumenau U2400 op"]
[White "Hirakuri, Eduardo Kazuo"]
[Black "Sofka, Gustavo Antunes Fer"]
[Site "Blumenau"]
[Round "4"]
[Result "0-1"]
[Date "2024.08.31"]
[ECO "A45"]
[BlackElo "1473"]
[PlyCount "48"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. e4 c5 4. Be3 cxd4 5. Bxd4 d5 6. e5 Nfd7 7. Bb5 a6 8. Bxd7+ Bxd7 9. Nf3 Nc6 10. g3 Be7 11. Qd3 0-0 12. h4 Nxd4 13. Nxd4 f6 14. exf6 Bxf6 15. Nf3 Rc8 16. Ne2 Bb5 17. Qd1 Qc7 18. Rc1 Bxb2 19. Ned4 Bc3+ 20. Nd2 Bxd4 21. Nf3 Bc3+ 22. Nd2 Qc5 23. f4 Qe3+ 24. Qe2 Qxe2# 0-1

[Event "Blumenau U2400 op"]
[White "Kneidl, Jennifer"]
[Black "Sofka, Gustavo Antunes Fer"]
[Site "Blumenau"]
[Round "2"]
[Result "1-0"]
[Date "2024.08.31"]
[ECO "A45"]
[WhiteElo "1741"]
[BlackElo "1473"]
[PlyCount "55"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. c3 e6 4. e3 cxd4 5. cxd4 d6 6. Nf3 a6 7. Bd3 Be7 8. Nbd2 b5 9. Rc1 Bb7 10. h3 Nc6 11. Be2 0-0 12. 0-0 Nd7 13. Bh2 e5 14. dxe5 Ndxe5 15. Qb3 Nxf3+ 16. Nxf3 Bf6 17. Rc2 Ne5 18. Nd4 Rc8 19. Rfc1 Rxc2 20. Rxc2 Bh4 21. Nf5 Qg5 22. Nxh4 Qxh4 23. Bg3 Qe4 24. f3 Qg6 25. Bxe5 dxe5 26. Bd3 Qg5 27. Rf2 Qxe3 28. Bxh7+ 1-0

[Event "Blumenau U2400 op"]
[White "Sofka, Gustavo Antunes Fer"]
[Black "Girardi, Dulce Maria"]
[Site "Blumenau"]
[Round "3"]
[Result "1-0"]
[Date "2024.08.31"]
[ECO "C53"]
[WhiteElo "1473"]
[BlackElo "1759"]
[PlyCount "39"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d5 5. exd5 e4 6. dxc6 exf3 7. Qxf3 Nf6 8. cxb7 Qe7+ 9. Be2 Rb8 10. bxc8Q+ Rxc8 11. 0-0 0-0 12. d4 Bb6 13. Qg3 c6 14. Bh6 Nh5 15. Bxh5 g6 16. Bxf8 Kxf8 17. Nd2 c5 18. Rfe1 Qd7 19. Qe5 Bc7 20. Qh8# 1-0

[Event "Blumenau U2400 op"]
[White "Sofka, Gustavo Antunes Fer"]
[Black "Carstens Dobuchak, Thiago"]
[Site "Blumenau"]
[Round "1"]
[Result "0-1"]
[Date "2024.08.30"]
[ECO "B92"]
[WhiteElo "1473"]
[BlackElo "2120"]
[PlyCount "56"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. Be3 b6 9. 0-0 Bb7 10. Nd2 Nbd7 11. f4 Nc5 12. fxe5 dxe5 13. Qe1 0-0 14. Qg3 Ncxe4 15. Ndxe4 Nxe4 16. Nxe4 Bxe4 17. Bf3 Bxf3 18. Rxf3 f6 19. Qg4 Qc8 20. Qh4 Bc5 21. Re1 Bxe3+ 22. Rexe3 Qxc2 23. Rf2 Qc1+ 24. Rf1 Qxe3+ 25. Kh1 Rac8 26. h3 Rc1 27. Rxc1 Qxc1+ 28. Kh2 Qf4+ 0-1

