[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.23"]
[Round "5"]
[White "De Abreu, Wiliam"]
[Black "Nunes, Lilia"]
[Result "1/2-1/2"]
[ECO "C70"]
[WhiteElo "1197"]
[BlackElo "1325"]
[PlyCount "55"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 a6 5. Ba4 d6 6. d3 Bd7 7. 0-0 Ng6 8. Re1 Be7 9. Nbd2 0-0 10. Nf1 f5 11. Bb3+ Kh8 12. exf5 Bxf5 13. Ng3 Nh4 14. Bd5 Nxf3+ 15. Bxf3 Bg5 16. Be4 Bxe4 17. Nxe4 Bxc1 18. Qxc1 d5 19. Ng3 Qf6 20. Qd2 Rad8 21. Qc2 Rf7 22. Re3 Rdf8 23. f3 Ne7 24. Rae1 Qb6 25. Kh1 Ng6 26. b3 c6 27. Qd2 Qa5 28. Qc2 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.22"]
[Round "4"]
[White "Cardozo, Camila"]
[Black "De Abreu, Wiliam"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1426"]
[BlackElo "1197"]
[PlyCount "65"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 c5 7. d5 Na6 8. 0-0 Nc7 9. Qc2 e6 10. a4 a6 11. a5 Rb8 12. Na4 exd5 13. cxd5 Nd7 14. Bg5 f6 15. Bd2 Nb5 16. Nc3 Nxc3 17. Bxc3 Ne5 18. Nd2 Qc7 19. f4 Bg4 20. Bxg4 Nxg4 21. Nc4 Rbe8 22. h3 Nh6 23. Rae1 Nf7 24. Qb3 Kh8 25. h4 f5 26. Bxg7+ Kxg7 27. Qc3+ Kg8 28. e5 Qb8 29. e6 Nh6 30. Nb6 Ng4 31. Nd7 Qc7 32. Nxf8 Rxf8 33. Re2 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.21"]
[Round "2"]
[White "Lahoz, Cassiano Ricardo Ne"]
[Black "De Abreu, Wiliam"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1592"]
[BlackElo "1197"]
[PlyCount "65"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 e6 5. Nf3 Nbd7 6. 0-0 Be7 7. d3 a6 8. h3 0-0 9. Bf4 e5 10. Bg5 Rb8 11. Nh4 h6 12. Be3 Re8 13. Qd2 b5 14. Nf5 Bf8 15. f4 Nb6 16. fxe5 dxe5 17. Rf2 b4 18. Ne2 Qc7 19. Nxh6+ gxh6 20. Rxf6 Re6 21. Rxe6 Bxe6 22. Bxh6 Bxh6 23. Qxh6 Qe7 24. b3 Nd7 25. Rf1 Rb6 26. Qe3 Rc6 27. g4 Nf8 28. Ng3 Nh7 29. Nf5 Bxf5 30. exf5 Rc7 31. f6 Qd6 32. Qh6 Nf8 33. Qg7# 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.20"]
[Round "1"]
[White "De Abreu, Wiliam"]
[Black "Da Silva De Sena, Jefferson Ryan F"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1197"]
[BlackElo "1867"]
[PlyCount "58"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 Nc6 6. d4 Bg4 7. c3 e5 8. dxe5 Qxd1+ 9. Kxd1 Nxe5 10. Be2 0-0-0+ 11. Ke1 Nxf3+ 12. Bxf3 Bxf3 13. gxf3 Bc5 14. Be3 Rhe8 15. Ke2 f5 16. f4 g5 17. Kf3 g4+ 18. Ke2 Bd6 19. Kf1 Re4 20. Rd1 Bxf4 21. Rxd8+ Kxd8 22. Bxf4 Rxf4 23. Kg2 Ke7 24. Re1+ Kf6 25. Re8 Re4 26. Rf8+ Kg6 27. Kf1 a5 28. Rd8 Re7 29. Rf8 h5 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.05.01"]
[Round "6"]
[White "Penna, Flavio R Crautchych"]
[Black "De Abreu, Wiliam"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1764"]
[BlackElo "1263"]
[PlyCount "71"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[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. Nc3 a6 6. f4 e6 7. Be2 Qc7 8. 0-0 Be7 9. Be3 Nbd7 10. a4 0-0 11. Qd2 Rd8 12. a5 Nf8 13. Nb3 Qc6 14. Bb6 Re8 15. Bf3 e5 16. fxe5 dxe5 17. Nd5 Nxd5 18. exd5 Qg6 19. Rfe1 Nd7 20. Qe3 Qxc2 21. Be4 Qc4 22. Rec1 Qb4 23. Bd3 Nxb6 24. axb6 h6 25. Kh1 Bg5 26. Qc5 Qxb3 27. Ra3 Qxb2 28. Rb1 Qd2 29. Bxa6 Rxa6 30. d6 Qd4 31. Qc7 e4 32. Rf1 f5 33. h4 Bf6 34. Rg3 Qxb6 35. d7 Qxc7 36. dxe8Q+ 1-0

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "4"]
[White "Cury, Romulo Da Costa"]
[Black "De Abreu, Wiliam"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1800"]
[BlackElo "1263"]
[PlyCount "107"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[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. Nc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 Be7 7. Bc4 a6 8. Qd2 Nbd7 9. Rd1 Qc7 10. Bb3 Nc5 11. f3 b5 12. a3 Nxb3 13. Nxb3 Bb7 14. 0-0 Rd8 15. Qf2 0-0 16. Be3 Nd7 17. Rd3 Rc8 18. Rfd1 Rfd8 19. Qg3 Ne5 20. Bh6 g6 21. R3d2 Nc4 22. Re2 Nxb2 23. Nxb5 axb5 24. Rb1 Nc4 25. Nd4 Qb6 26. Qf2 Nxa3 27. Rb3 d5 28. Be3 Qa6 29. Re1 e5 30. Ra1 exd4 31. Bxd4 b4 32. c3 Qd3 33. Qb2 Nc2 34. Rxb4 Bxb4 35. Ra7 Bxc3 36. Bxc3 Qxc3 37. Qxc3 Rxc3 38. Rxb7 d4 39. Kf2 d3 40. Rb1 Na3 41. Rd1 Rc2+ 42. Ke1 d2+ 43. Ke2 Nb5 44. h3 Nc3+ 45. Kf2 Nxd1+ 46. Kg3 Nc3 47. Kg4 d1Q 48. g3 Nxe4 49. Kf4 h6 50. fxe4 g5+ 51. Ke5 Qd4+ 52. Kf5 Re2 53. g4 Qxe4+ 54. Kf6 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "5"]
[White "De Abreu, Wiliam"]
[Black "De Souza, Lucio Teixeira"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "1263"]
[BlackElo "1546"]
[PlyCount "110"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[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 c5 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nc6 7. Nxc6 bxc6 8. Bd3 Nf6 9. Qe2 Be7 10. Be3 d6 11. Rd1 0-0 12. 0-0 Bb7 13. f4 c5 14. h3 Rfc8 15. Qf2 c4 16. Be2 Nxe4 17. Nxe4 Bxe4 18. c3 Bf6 19. Bf3 Bxf3 20. Qxf3 Qc6 21. Qf2 g6 22. Rfe1 Rab8 23. Kh1 Rb7 24. Bc1 Rb5 25. Qe3 Rd5 26. Qg3 Rxd1 27. Rxd1 d5 28. h4 h5 29. Kh2 Qd6 30. Kh1 Qe7 31. Qh3 Bxh4 32. g4 hxg4 33. Qxg4 Kg7 34. Kg2 Rh8 35. Rh1 Bf6 36. Rxh8 Kxh8 37. Be3 Kg8 38. Qe2 Bg7 39. Qc2 Qb7 40. Kf2 Qb3 41. Qd2 Qb8 42. Kf3 Qd8 43. Qf2 Qf6 44. Ke2 Qf5 45. Kd1 e5 46. fxe5 Qxf2 47. Bxf2 Bxe5 48. Kc2 Kf8 49. b4 Ke8 50. a4 Kd7 51. Kb2 Kc6 52. Be1 g5 53. Ka2 f5 54. Kb2 d4 55. Kc2 f4 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "2"]
[White "Melo, Sergio Roberto Samp"]
[Black "De Abreu, Wiliam"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1553"]
[BlackElo "1263"]
[PlyCount "91"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 0-0 6. Bg2 d6 7. 0-0 Nc6 8. d3 Qc7 9. Nc3 a6 10. e3 e6 11. Qe2 b6 12. Rad1 Bb7 13. d4 cxd4 14. exd4 Ne7 15. Rfe1 Rfe8 16. Rd2 d5 17. Na4 dxc4 18. bxc4 Nd7 19. Rc2 Qd6 20. c5 bxc5 21. dxc5 Qc6 22. Nh4 Qxa4 23. Bxb7 Ra7 24. Bxg7 Kxg7 25. c6 Nb8 26. Rc4 Qb5 27. Qe5+ Qxe5 28. Rxe5 a5 29. Rb5 Nexc6 30. Bxc6 Rc8 31. Bd5 Rd8 32. Bf3 Nd7 33. Ra4 Rb8 34. Rxb8 Nxb8 35. Ng2 f5 36. Ne3 Nd7 37. Nc4 Nc5 38. Rxa5 Rxa5 39. Nxa5 Kf6 40. Nc4 Ke7 41. Bc6 Kd8 42. Ne5 Kc7 43. f4 Na6 44. Bb5 Nc5 45. Bc4 Kb6 46. Nd3 1-0

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.28"]
[Round "1"]
[White "De Abreu, Wiliam"]
[Black "Da Silva, Joao Carlos Orguim"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "1263"]
[BlackElo "1701"]
[PlyCount "85"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[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 g6 3. Bc4 Bg7 4. c3 Nc6 5. d4 Na5 6. Bd3 c4 7. Bc2 d5 8. exd5 Qxd5 9. 0-0 Bg4 10. Nbd2 f5 11. h3 Bh5 12. Qe1 Bxf3 13. Nxf3 Nc6 14. Bf4 Nh6 15. Rd1 0-0 16. Ne5 Nxe5 17. Bxe5 e6 18. Qe2 Nf7 19. Bxg7 Kxg7 20. b3 Rac8 21. Rfe1 Rfe8 22. b4 b5 23. h4 h5 24. a4 a6 25. axb5 axb5 26. f4 Kf6 27. Qf3 Ra8 28. Rd2 Ra3 29. Qe3 Rea8 30. Bd1 R8a6 31. Bf3 Qd6 32. d5 e5 33. fxe5+ Nxe5 34. Qd4 Ra1 35. Rxa1 Rxa1+ 36. Kf2 Ra6 37. Be2 Qb6 38. Qxb6+ Rxb6 39. Ke3 Ke7 40. Kf4 Kf6 41. Ke3 Ke7 42. Kf4 Kf6 43. Ke3 1/2-1/2

[Event "Catarinense-ch U20"]
[Site "Rio Negrinho"]
[Date "2023.03.26"]
[Round "5"]
[White "De Abreu, Wiliam"]
[Black "Hessmann, Eduardo Franzoni"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1289"]
[BlackElo "1412"]
[PlyCount "69"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nf3 Be7 8. a4 b6 9. 0-0 Bb7 10. Bg5 Nbd7 11. Qe2 h6 12. Bxf6 Nxf6 13. Rfd1 0-0 14. h3 Nh5 15. Nd5 Bxd5 16. exd5 Nf4 17. Qe4 f5 18. Qe3 Nxd5 19. Bc4 Rc8 20. Bxd5+ Kh8 21. c3 e4 22. Nd4 Bg5 23. Qe2 Qf6 24. Be6 Rce8 25. Bxf5 e3 26. f3 Bf4 27. Qe1 e2 28. Rd3 Qe5 29. Be6 Rxe6 30. Nxe6 Qxe6 31. g3 Qg6 32. Qxe2 Re8 33. Qxe8+ Qxe8 34. gxf4 Qg6+ 35. Kf2 0-1

[Event "Catarinense-ch U20"]
[Site "Rio Negrinho"]
[Date "2023.03.25"]
[Round "4"]
[White "Lopes, Leonardo Borges"]
[Black "De Abreu, Wiliam"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1646"]
[BlackElo "1289"]
[PlyCount "54"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Qd2 Bd7 9. 0-0-0 Nc6 10. g4 Nxd4 11. Bxd4 0-0 12. h4 h5 13. g5 Ne8 14. f4 g6 15. Be2 Ng7 16. Bf3 Rb8 17. Ne2 b5 18. Ng3 b4 19. Bxg7 Kxg7 20. Bxh5 gxh5 21. Nxh5+ Kg6 22. Ng3 Rh8 23. Qd3 Qb6 24. f5+ exf5 25. exf5+ Bxf5 26. Nxf5 Bxg5+ 27. hxg5 Kxg5 1-0

[Event "Catarinense-ch U20"]
[Site "Rio Negrinho"]
[Date "2023.03.24"]
[Round "1"]
[White "Cezar, Ricardo de Almeida"]
[Black "De Abreu, Wiliam"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1765"]
[BlackElo "1289"]
[PlyCount "55"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nbd7 11. Nxc7 Rb8 12. Nxe8 Nxe8 13. Be3 b6 14. 0-0 Bb7 15. Nd2 Rc8 16. Rfd1 Bf8 17. f3 Ba6 18. Nb3 Nd6 19. Rac1 Nb8 20. Na1 Nb7 21. Kf2 Nc6 22. Nb3 h5 23. g3 f6 24. h4 Kh8 25. Bf1 Rc7 26. c5 Nxc5 27. Nxc5 Bxf1 28. Ne6 1-0

[Event "Catarinense-ch U20"]
[Site "Rio Negrinho"]
[Date "2023.03.24"]
[Round "2"]
[White "De Abreu, Wiliam"]
[Black "Staats, Gustavo Da Silva"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1289"]
[BlackElo "1567"]
[PlyCount "98"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bb5 a6 6. Bxc6+ bxc6 7. 0-0 Bg4 8. h3 Bh5 9. Qd3 Bg6 10. Qc3 Qb6 11. Ne5 Rc8 12. Nxg6 hxg6 13. Be3 e6 14. b3 Nf6 15. Nd2 Bb4 16. Qd3 0-0 17. c3 Be7 18. b4 Rc7 19. Rfe1 Ra8 20. Nf1 Qb5 21. Qc2 a5 22. a3 Rca7 23. Qb2 Ne4 24. Nd2 Nxd2 25. Bxd2 Qc4 26. Qa2 Qxa2 27. Rxa2 axb4 28. cxb4 Rxa3 29. Rxa3 Rxa3 30. Rb1 Rd3 31. Be3 Bf6 32. b5 cxb5 33. Rb4 Kh7 34. Kf1 g5 35. Ke2 Ra3 36. Rxb5 Kg6 37. g4 Ra1 38. Kf3 Ra4 39. Ke2 Bxd4 40. Bxd4 Rxd4 41. Ke3 Ra4 42. Rb3 f6 43. Rd3 Rb4 44. f3 Ra4 45. Rb3 e5 46. Rd3 d4+ 47. Ke4 Ra1 48. Rd2 Re1+ 49. Kd3 Re3+ 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.28"]
[Round "9"]
[White "De Abreu, Wiliam"]
[Black "Makowski, Silvia Cristina"]
[Result "1/2-1/2"]
[ECO "B56"]
[BlackElo "1059"]
[PlyCount "55"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[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 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Bd3 Bg7 6. Nc3 d6 7. Nxc6 bxc6 8. Be3 Nf6 9. h3 0-0 10. 0-0 Bb7 11. f4 d5 12. exd5 Nxd5 13. Nxd5 cxd5 14. Rb1 d4 15. Bd2 Qd5 16. Qe2 Rfe8 17. c4 dxc3 18. Bxc3 Bh6 19. Rbe1 Red8 20. Be4 Qc5+ 21. Kh1 Bxe4 22. Qxe4 e6 23. Rd1 Rac8 24. Bd4 Qd5 25. Qxd5 Rxd5 26. Bxa7 Rxd1 27. Rxd1 Bxf4 28. b4 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.28"]
[Round "8"]
[White "Weba Filho, Emilio Cesar"]
[Black "De Abreu, Wiliam"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1081"]
[PlyCount "79"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 b6 5. d3 Bb4 6. a3 Bxc3+ 7. bxc3 Bb7 8. Nf3 Rb8 9. Rb1 d6 10. 0-0 0-0 11. Bg5 h6 12. Bxf6 Qxf6 13. Qa4 a5 14. Nd2 Na7 15. Qd7 Bxg2 16. Kxg2 Qd8 17. Qf5 b5 18. c5 Qg5 19. Qxg5 hxg5 20. cxd6 cxd6 21. Ne4 Rfd8 22. a4 b4 23. cxb4 axb4 24. Rfc1 g4 25. Rc4 d5 26. Rcxb4 Rxb4 27. Rxb4 dxe4 28. Rxe4 Rd4 29. Rxd4 exd4 30. f3 f5 31. h3 gxh3+ 32. Kxh3 g5 33. f4 g4+ 34. Kh4 Kf7 35. Kg5 Ke6 36. a5 Nc6 37. a6 Na7 38. Kg6 Nc6 39. Kg7 Ke7 40. Kg6 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "6"]
[White "De Abreu, Wiliam"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "B95"]
[BlackElo "1356"]
[PlyCount "20"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. Bc4 a6 8. a4 Qa5 9. 0-0 Qxg5 10. f4 Qc5 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.25"]
[Round "4"]
[White "Gomes, Carlos"]
[Black "De Abreu, Wiliam"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1537"]
[PlyCount "117"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[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. Nc3 e6 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. d4 cxd4 7. Qxd4 a6 8. Bg5 Ngf6 9. Rd1 Be7 10. Bxf6 Nxf6 11. e5 dxe5 12. Qxd8+ Rxd8 13. Nxe5 Rxd1+ 14. Nxd1 Nd5 15. c3 f6 16. Nf3 Kf7 17. 0-0 g5 18. g3 h5 19. Re1 Bc5 20. a3 a5 21. Ne3 Nxe3 22. fxe3 Rg8 23. Kf2 Ke7 24. Rd1 f5 25. Ke2 f4 26. e4 g4 27. Nh4 f3+ 28. Kf1 Kf6 29. b4 axb4 30. axb4 Be3 31. Rd3 Bc1 32. Nxf3 gxf3 33. Rxf3+ Ke5 34. Rf7 b6 35. Rh7 Kxe4 36. Rxh5 Rf8+ 37. Kg2 e5 38. c4 Be3 39. h4 Rf2+ 40. Kh3 Rc2 41. c5 bxc5 42. bxc5 Rxc5 43. g4 Kd3 44. Rh7 e4 45. g5 Bxg5 46. hxg5 Rxg5 47. Kh4 Rg1 48. Rd7+ Ke2 49. Ra7 e3 50. Re7 Rf1 51. Kg3 Rf6 52. Kg2 Kd3 53. Rd7+ Ke4 54. Re7+ Kf4 55. Kf1 Kf3 56. Ke1 Rf4 57. Re8 Re4 58. Rxe4 Kxe4 59. Ke2 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "3"]
[White "Colombo, Pedro Henrique"]
[Black "De Abreu, Wiliam"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "1378"]
[PlyCount "39"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Be7 9. 0-0-0 Qc7 10. g4 Nc5 11. Bxf6 Bxf6 12. g5 Bxd4 13. Rxd4 b5 14. Bg2 Rb8 15. Rhd1 Rb6 16. f5 b4 17. fxe6 Bxe6 18. Nd5 Bxd5 19. Rxd5 0-0 20. Kb1 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.23"]
[Round "1"]
[White "De Abreu, Wiliam"]
[Black "Sanchez, Ivan Roberto"]
[Result "0-1"]
[ECO "B55"]
[BlackElo "1731"]
[PlyCount "66"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nbd7 6. Be3 a6 7. h3 Nc5 8. Nd2 Nxd3+ 9. cxd3 Bd7 10. 0-0 e6 11. a4 Be7 12. f4 0-0 13. N2f3 Re8 14. e5 Nd5 15. Bd2 Qb6 16. Rb1 Rad8 17. Kh1 dxe5 18. fxe5 Bc5 19. Ne2 Ne3 20. Bxe3 Bxe3 21. d4 Bc6 22. Qd3 Bh6 23. b3 Rd7 24. h4 Bxf3 25. Qxf3 Rc8 26. Rbd1 Qc7 27. Qe4 Qc2 28. Rc1 Bxc1 29. Qf3 Qd2 30. d5 Qe3 31. dxe6 Qxf3 32. exf7+ Qxf7 33. Rxf7 Kxf7 0-1

