[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.18"]
[Round "9"]
[White "Da Silva, Miguel Michels"]
[Black "De Matos, Alexandre"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "1365"]
[BlackElo "1663"]
[PlyCount "79"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. e3 Bb4 5. Bd3 Bxc3+ 6. bxc3 b6 7. Ba3 d6 8. Ne2 0-0 9. 0-0 c5 10. Bc2 Nc6 11. f3 Na5 12. Bb3 Ba6 13. Nf4 Qe8 14. Ba4 Qf7 15. Bb5 Bc8 16. Qd3 g5 17. Ne2 Bb7 18. Ng3 Nh5 19. Nxh5 Qxh5 20. e4 g4 21. d5 Rf6 22. fxg4 Qxg4 23. exf5 exf5 24. Rf3 f4 25. Re1 Raf8 26. Re7 Rg6 27. Qe2 Bc8 28. Bc1 a6 29. Ba4 Nxc4 30. Bc2 Ne5 31. Rxe5 dxe5 32. Bxg6 hxg6 33. Qxe5 g5 34. c4 Qf5 35. Qc3 Rf7 36. Rh3 Rh7 37. Rxh7 Qxh7 38. Bb2 g4 39. Bc1 Qe4 40. Bb2 1/2-1/2

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.17"]
[Round "8"]
[White "De Matos, Alexandre"]
[Black "Brand, Leticia Soethe"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1663"]
[BlackElo "1645"]
[PlyCount "105"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. Nbd2 d6 6. h3 b6 7. Be2 Ba6 8. a4 Bxe2 9. Qxe2 c5 10. c3 Nc6 11. 0-0 Qc7 12. dxc5 bxc5 13. e4 Nd7 14. Bg3 Rab8 15. Ra2 Na5 16. Re1 e6 17. Nc4 Nxc4 18. Qxc4 Nb6 19. Qd3 Rfd8 20. a5 Nc8 21. Rd1 c4 22. Qe3 Rb5 23. Rda1 Qb7 24. Qe2 d5 25. e5 Ne7 26. Bh4 Rb8 27. Nd4 Rc5 28. Bxe7 Qxe7 29. f4 a6 30. g4 h6 31. Qe3 Rc7 32. Re1 Qd7 33. Re2 Bf8 34. f5 Kh7 35. fxe6 fxe6 36. Ra1 Be7 37. Rf1 Bg5 38. Qf2 Qe7 39. Nf3 Bf4 40. Nd4 g5 41. h4 Qf7 42. h5 Qe8 43. Qe1 Rc5 44. Qb1+ Kg7 45. Kg2 Rb7 46. Ref2 Rxa5 47. Rxf4 gxf4 48. Rxf4 Rc5 49. Rf6 Rb6 50. Qf1 Rxb2+ 51. Kh3 Rb6 52. Rg6+ Kh7 53. Qf6 1-0

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.16"]
[Round "7"]
[White "Cardoso, Maria Paula Da Silv"]
[Black "De Matos, Alexandre"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "1780"]
[BlackElo "1663"]
[PlyCount "121"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 d6 2. c4 Nf6 3. Nc3 g6 4. d4 Bg7 5. h3 c5 6. Nf3 cxd4 7. Nxd4 a6 8. Be3 0-0 9. Qd2 Nc6 10. Be2 Nxd4 11. Bxd4 Be6 12. 0-0 Rc8 13. b3 Nd7 14. Bxg7 Kxg7 15. f4 f6 16. Kh1 Bf7 17. Bg4 Rc7 18. Bxd7 Qxd7 19. a4 Qc6 20. Rad1 Qb6 21. Qc2 Qc5 22. Qb2 Kg8 23. Rd3 Qb4 24. Nd5 Bxd5 25. exd5 Rxc4 26. Qf2 Rc7 27. Qe3 Rfc8 28. f5 g5 29. Qe6+ Kg7 30. Rg3 Qd4 31. Re1 h5 32. Rge3 b5 33. axb5 axb5 34. Re4 Qb2 35. R4e3 Ra8 36. Qe4 Ra1 37. Qd3 Rxe1+ 38. Rxe1 b4 39. Qf3 Rc1 40. Rxc1 Qxc1+ 41. Kh2 Qc3 42. Kg1 Qe1+ 43. Kh2 h4 44. Qd3 Qc3 45. Qe2 Qe5+ 46. Qxe5 dxe5 47. Kg1 Kf7 48. Kf2 Ke8 49. Ke3 Kd7 50. Kd3 Kd6 51. Kc4 e4 52. Kxb4 Kxd5 53. Kc3 e6 54. fxe6 Kxe6 55. Kd4 f5 56. b4 Kd6 57. b5 Kc7 58. Kc3 Kb6 59. Kc4 e3 60. Kd3 f4 61. Ke4 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.16"]
[Round "6"]
[White "De Matos, Alexandre"]
[Black "Juliano, Luiz Augusto Porto"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1663"]
[BlackElo "1656"]
[PlyCount "63"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. c3 e6 4. e3 b6 5. Nf3 Bb7 6. Nbd2 Be7 7. Bd3 d6 8. Qe2 Nbd7 9. e4 cxd4 10. cxd4 0-0 11. 0-0 Nh5 12. Be3 f5 13. exf5 exf5 14. Ng5 Bxg5 15. Qxh5 Bxe3 16. fxe3 g6 17. Qh6 Qe7 18. Rae1 Nf6 19. Qg5 Rad8 20. Rxf5 Kh8 21. Rf4 Nd5 22. Rxf8+ Rxf8 23. Qxe7 Nxe7 24. e4 Nc6 25. Nf3 Rf4 26. d5 Nb4 27. Bb1 Kg7 28. Rc1 Na6 29. Ng5 Kh6 30. Ne6 Rf6 31. Rc3 g5 32. Rh3+ 1-0

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.15"]
[Round "5"]
[White "Da Silva, Camila Evaristo"]
[Black "De Matos, Alexandre"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1680"]
[BlackElo "1663"]
[PlyCount "104"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 b6 3. e3 Bb7 4. Nf3 e6 5. Nbd2 d5 6. c3 Bd6 7. Bg3 0-0 8. Bd3 c5 9. Ne5 Nc6 10. Qe2 Rc8 11. f4 cxd4 12. exd4 g6 13. Bh4 Be7 14. Bg5 Kg7 15. h4 Nh5 16. Nxc6 Bxc6 17. Bxe7 Qxe7 18. Qe3 Qc7 19. Qe5+ f6 20. Qxc7+ Rxc7 21. 0-0 Re8 22. g4 Ng3 23. Rfe1 f5 24. Kf2 Ne4+ 25. Bxe4 fxe4 26. Ke3 Bb7 27. Rh1 Ba6 28. Rh2 Rf7 29. a4 Ref8 30. Rf2 Bd3 31. a5 b5 32. Nb3 Rc8 33. Nc5 Rc6 34. Nxd3 exd3 35. Kxd3 h6 36. Raf1 Rfc7 37. Rf3 Rc4 38. f5 exf5 39. gxf5 b4 40. f6+ Kf7 41. Kd2 bxc3+ 42. bxc3 Ra4 43. h5 g5 44. Rb1 Rxa5 45. Rb8 g4 46. Rf4 Ra2+ 47. Kd3 Ra3 48. Rxg4 Rcxc3+ 49. Kd2 Rh3 50. Rb7+ Ke6 51. Re7+ Kxf6 52. Re2 Ra2+ 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.14"]
[Round "4"]
[White "De Matos, Alexandre"]
[Black "Machado, Alessandro Mathias"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "1663"]
[BlackElo "1735"]
[PlyCount "127"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 0-0 7. b4 Bb6 8. Ba4 Ne7 9. Nbd2 Ng6 10. Nc4 c6 11. Bb3 Bc7 12. Re1 Re8 13. Ne3 d5 14. Nf1 dxe4 15. dxe4 Qxd1 16. Bxd1 Be6 17. Bb3 Bxb3 18. axb3 a5 19. bxa5 Rxa5 20. Rxa5 Bxa5 21. b4 Bb6 22. c4 Ra8 23. Bb2 Ra2 24. Rb1 Nxe4 25. c5 Bc7 26. g3 f6 27. N1d2 Nxd2 28. Nxd2 Ne7 29. Nc4 Nd5 30. Kg2 Kf7 31. Bc1 Nc3 32. Rb2 Rxb2 33. Bxb2 Nb5 34. Kf3 Ke6 35. g4 g6 36. Ke3 Kd5 37. Nd2 b6 38. Ne4 bxc5 39. bxc5 f5 40. gxf5 gxf5 41. Nf6+ Kxc5 42. Nxh7 Kd5 43. h4 Bd8 44. f4 Nd6 45. Ba1 Nc4+ 46. Kf3 Bxh4 47. fxe5 Nxe5+ 48. Kf4 Nd7 49. Kxf5 c5 50. Ng5 Bxg5 51. Kxg5 Ke4 52. Kg6 c4 53. Kf7 Nc5 54. Ke7 Nb3 55. Bb2 Kd3 56. Kd6 Kc2 57. Bg7 Nd2 58. Kc5 Kb3 59. Bh8 Ne4+ 60. Kd5 Nc3+ 61. Kc5 Nd1 62. Bg7 Ne3 63. Bh8 Kc2 64. Bd4 1/2-1/2

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.13"]
[Round "2"]
[White "De Matos, Alexandre"]
[Black "Motta, Pedro Jose Colombo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1663"]
[BlackElo "1340"]
[PlyCount "89"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nc3 Nc6 5. Nb5 e5 6. dxe5 Ne4 7. Qxd5 Qxd5 8. Nc7+ Kd8 9. Nxd5 Be6 10. Nc3 Nxc3 11. bxc3 Be7 12. Nf3 f6 13. exf6 Bxf6 14. Bg5 Ke7 15. Bxf6+ Kxf6 16. a3 Rad8 17. Rd1 Rxd1+ 18. Kxd1 Rd8+ 19. Kc1 Bg4 20. Nd2 Ke7 21. f3 Bh5 22. Be2 b6 23. Rd1 Nb8 24. Ne4 Rxd1+ 25. Kxd1 Nc6 26. Kd2 Ne5 27. c4 Bf7 28. Kc3 h6 29. f4 Nc6 30. Bf3 Na5 31. Nd2 Be6 32. Bd5 Bf5 33. Nb3 Nxb3 34. cxb3 a5 35. e4 Be6 36. Bxe6 Kxe6 37. a4 g6 38. g4 Kf6 39. Kd3 g5 40. e5+ Ke6 41. Ke4 gxf4 42. Kxf4 Ke7 43. Kf5 Kf7 44. h4 Ke7 45. e6 1-0

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.13"]
[Round "3"]
[White "Senger, Maria Clara da Silv"]
[Black "De Matos, Alexandre"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1490"]
[BlackElo "1663"]
[PlyCount "110"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Nf3 Bg7 5. 0-0 0-0 6. Re1 Nc6 7. c3 a6 8. Nbd2 e5 9. d5 Ne7 10. Nf1 Nh5 11. Ng3 Nf4 12. Ne2 Nxd3 13. Qxd3 f5 14. exf5 gxf5 15. Ng5 h6 16. Nh3 f4 17. Qf3 Ng6 18. Nexf4 Nxf4 19. Nxf4 exf4 20. Bxf4 Qf6 21. g3 Bd7 22. Re3 Rae8 23. Rae1 Rxe3 24. fxe3 Qg6 25. Qe2 Bh3 26. Qc4 Qc2 27. Qe2 Qe4 28. c4 Kh7 29. b4 Bc3 30. Rd1 Bxb4 31. Rd4 Qb1+ 32. Rd1 Qg6 33. Qb2 Bc5 34. Qf2 Qe4 35. Re1 Qxc4 36. a3 b5 37. Qf3 Qc3 38. Qe4+ Bf5 39. Qe7+ Qg7 40. Qh4 Re8 41. Kf2 Be4 42. g4 Rf8 43. Kg3 a5 44. g5 Qg6 45. Qg4 h5 46. Qd7+ Rf7 47. Qd8 Qf5 48. h3 b4 49. axb4 axb4 50. Kh4 Qg6 51. Kg3 Bxd5 52. Qe8 Qe4 53. Rc1 Bxe3 54. Rf1 Bxf4+ 55. Rxf4 Qxe8 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.12"]
[Round "1"]
[White "Barbosa, Valentina"]
[Black "De Matos, Alexandre"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1047"]
[BlackElo "1663"]
[PlyCount "86"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Bc4 Nc6 4. Nc3 Qc7 5. d3 a6 6. a4 b6 7. Be3 Nf6 8. 0-0 Bb7 9. Ne2 Be7 10. h3 d5 11. exd5 exd5 12. Bb3 0-0 13. Ng3 Bc8 14. Re1 Re8 15. c3 g6 16. d4 c4 17. Bc2 Bd7 18. Qd2 Bf8 19. Bh6 Bg7 20. Bxg7 Kxg7 21. h4 Bg4 22. h5 Bxh5 23. Nxh5+ Nxh5 24. Qg5 Qd8 25. g4 Qxg5 26. Nxg5 Nf4 27. Nf3 f6 28. Kh2 g5 29. Kg3 h6 30. Rxe8 Rxe8 31. Nd2 Re2 32. Rd1 Ne7 33. Bf5 Nxf5+ 34. gxf5 Nd3 35. b3 Nb2 36. Rh1 Rxd2 37. bxc4 Nxc4 38. Re1 Kf7 39. Kg4 Rxf2 40. Re6 Rf4+ 41. Kg3 Rxf5 42. Re2 Rf4 43. Rh2 Kg6 0-1

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.24"]
[Round "6"]
[White "De Matos, Alexandre"]
[Black "Cozzer, Pietro"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "1720"]
[BlackElo "1801"]
[PlyCount "58"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 a6 7. Be3 Qc7 8. f4 d6 9. Be2 Be7 10. Bf3 Na5 11. Qd3 Nc4 12. Bc1 Nd7 13. Be2 Na5 14. b4 Nc6 15. Nxc6 Qxc6 16. Rb1 b5 17. Nd1 Bb7 18. Bf3 Qc7 19. Bb2 Bf6 20. Bxf6 Nxf6 21. Ne3 Rc8 22. 0-0 0-0 23. Rfd1 Rfd8 24. Rb3 Qb8 25. g3 Qa8 26. c4 Bxe4 27. Bxe4 Qxe4 28. cxb5 Qxd3 29. Rdxd3 axb5 1/2-1/2

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.24"]
[Round "5"]
[White "Pavao, Alice Lara Biasi"]
[Black "De Matos, Alexandre"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1493"]
[BlackElo "1720"]
[PlyCount "49"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nc7 6. Nf3 Nc6 7. 0-0 e5 8. d3 Be7 9. b3 b6 10. Bb2 0-0 11. Qd2 Bd7 12. Rfd1 f6 13. e3 Rc8 14. d4 cxd4 15. exd4 exd4 16. Nxd4 Nb8 17. Bb7 Qe8 18. Bxc8 Bxc8 19. Re1 Qf7 20. Ndb5 Ne6 21. Nd5 Rd8 22. Nxe7+ Qxe7 23. Ba3 Qb7 24. Nd6 Qf3 25. Qe3 1-0

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.23"]
[Round "2"]
[White "Cardoso, Leandro Ubialli"]
[Black "De Matos, Alexandre"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "1801"]
[BlackElo "1720"]
[PlyCount "81"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Qc7 7. a3 Nf6 8. Be2 Be7 9. 0-0 0-0 10. f4 Nxd4 11. Qxd4 d6 12. Bf3 Nd7 13. Rad1 b5 14. Qd2 Bb7 15. Qf2 Rac8 16. g4 Bf6 17. Rd3 Nc5 18. Bxc5 dxc5 19. e5 Be7 20. Qd2 Rfd8 21. Bxb7 Qxb7 22. Rd1 Qb6 23. Kg2 f6 24. Qe3 Qc6+ 25. Kg3 Rxd3 26. Rxd3 c4 27. Rd1 fxe5 28. Qxe5 Bf6 29. Qd6 Bxc3 30. Qxc6 Rxc6 31. bxc3 h6 32. h4 Rc5 33. Rd6 Kf7 34. Rxa6 Rd5 35. a4 Rd2 36. axb5 Rxc2 37. Ra3 Rb2 38. Ra4 Rxb5 39. Rxc4 Rb1 40. Rc7+ Kf8 41. Kf3 1-0

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.23"]
[Round "3"]
[White "De Matos, Alexandre"]
[Black "Milkievicz Da Rocha, Mateus"]
[Result "1/2-1/2"]
[ECO "C62"]
[WhiteElo "1720"]
[BlackElo "1456"]
[PlyCount "109"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Bg4 5. h3 Bxf3 6. Qxf3 Qf6 7. Qe2 Nge7 8. 0-0 a6 9. Bxc6+ Nxc6 10. d3 0-0-0 11. b4 d5 12. a4 a5 13. b5 Na7 14. Na3 Bxa3 15. Rxa3 Kb8 16. c4 d4 17. f4 b6 18. c5 bxc5 19. fxe5 Qe6 20. Qc2 Qe7 21. Rb3 Nc8 22. Ba3 Nb6 23. Bxc5 Qxe5 24. Rbb1 f6 25. Rfc1 Rc8 26. Ra1 h5 27. Qd2 Nd7 28. Ba3 f5 29. Qxa5 fxe4 30. Rc6 Rh6 31. Bc5 Nxc5 32. b6 cxb6 33. Rxb6+ Rxb6 34. Qxb6+ Nb7 35. Rb1 Rc7 36. a5 Qc5 37. Qb2 Qxa5 38. Qxd4 Qc5 39. Qxc5 Rxc5 40. dxe4 Re5 41. Rf1 Rxe4 42. Rf8+ Ka7 43. Rf7 g6 44. Kf2 Re6 45. h4 Ka6 46. Kf3 Nd6 47. Rf8 Nf5 48. Kf4 Nxh4 49. g4 hxg4 50. Kxg4 Re4+ 51. Kg5 Ng2 52. Kxg6 Rg4+ 53. Kf7 Nh4 54. Ra8+ Kb7 55. Ra1 1/2-1/2

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.23"]
[Round "4"]
[White "Machado, Luiz Fernando"]
[Black "De Matos, Alexandre"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1718"]
[BlackElo "1720"]
[PlyCount "82"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. 0-0 Nf6 9. Nc3 Qd7 10. Ne5 Bxe2 11. Nxd7 Bxd1 12. Nxf6+ gxf6 13. Rxd1 Bg7 14. Be3 0-0 15. d5 exd5 16. Rxd5 Rfd8 17. Rad1 Rxd5 18. Rxd5 a6 19. Bb6 Re8 20. Kf1 h6 21. Rd7 Re7 22. Rxe7 Nxe7 23. Ke2 f5 24. Kd3 Kf8 25. Bc5 Ke8 26. Bxe7 Kxe7 27. b3 Kd6 28. Ne2 b5 29. Ng3 Ke6 30. a4 Be5 31. Ne2 Kd5 32. axb5 axb5 33. h3 f4 34. Ng1 Bg7 35. f3 Bf6 36. Ne2 Be5 37. b4 h5 38. Nc3+ Bxc3 39. Kxc3 h4 40. Kd3 Ke5 41. Kc3 Kd5 1/2-1/2

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.22"]
[Round "1"]
[White "De Matos, Alexandre"]
[Black "Silva, Maria Julia Barbier"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1720"]
[BlackElo "1231"]
[PlyCount "65"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Ne7 4. dxe5 Nbc6 5. Bc4 Be6 6. Bxe6 fxe6 7. exd6 cxd6 8. 0-0 Ng6 9. Qe2 Be7 10. Be3 0-0 11. Nbd2 Qc7 12. c3 a6 13. g3 Rf7 14. h4 Nce5 15. h5 Nxf3+ 16. Nxf3 Ne5 17. Nxe5 dxe5 18. Rad1 Bf6 19. Rd2 Qe7 20. Rfd1 Bg5 21. Rd7 Qf6 22. Rxf7 Kxf7 23. Bc5 Rd8 24. Rd3 h6 25. Rf3 Bf4 26. gxf4 exf4 27. Bd4 Qg5+ 28. Kf1 Qh4 29. Qc4 Rd6 30. Qc7+ Ke8 31. Qxd6 Qxh5 32. Qxe6+ Kd8 33. Bb6# 1-0

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.05.01"]
[Round "6"]
[White "Volkmann, Andre Jordi"]
[Black "De Matos, Alexandre"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2158"]
[BlackElo "1732"]
[PlyCount "75"]
[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. b4 Nf6 2. Bb2 g6 3. e3 Bg7 4. c4 0-0 5. Nf3 d6 6. d4 e5 7. d5 c6 8. Nc3 Bg4 9. Be2 Na6 10. Qb3 c5 11. b5 Nb8 12. 0-0 e4 13. Nd2 Bxe2 14. Nxe2 Qe7 15. Qc2 Nbd7 16. a4 Rae8 17. a5 Nh5 18. Bxg7 Kxg7 19. f3 exf3 20. Rxf3 f5 21. Ng3 Nxg3 22. Rxg3 Ne5 23. Rf1 Qh4 24. Rf4 Ng4 25. Nf1 Re4 26. Rgxg4 Qe1 27. Rg3 Rfe8 28. Rxf5 Rxe3 29. Rff3 R3e5 30. Qc3 Qd1 31. Re3 Kg8 32. Rxe5 Rxe5 33. Re3 Rf5 34. Re1 Qg4 35. Ne3 Rf3 36. Kh1 Rxe3 37. Rxe3 Qf5 38. Qe1 1-0

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "5"]
[White "De Matos, Alexandre"]
[Black "Marques Junior, Marcos Antonio"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1732"]
[BlackElo "1837"]
[PlyCount "64"]
[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. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Nc6 5. Nbd2 Bf5 6. c3 e6 7. Qa4 Be7 8. Ne5 Qb6 9. Qb5 c4 10. Qxb6 axb6 11. Be2 Nxe5 12. Bxe5 b5 13. 0-0 0-0 14. a3 Nd7 15. Bg3 Ra6 16. Rac1 Nb6 17. Bd1 Bd3 18. Re1 Na4 19. Bxa4 bxa4 20. e4 dxe4 21. Nxe4 Rb6 22. Nc5 Bxc5 23. dxc5 Rxb2 24. Ra1 Re8 25. Bc7 f6 26. Red1 e5 27. Ba5 f5 28. Re1 Kf7 29. f3 Re7 30. h4 e4 31. Bb4 Re6 32. Rad1 Rg6 0-1

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "4"]
[White "Feller, Gabriela Luisa Vice"]
[Black "De Matos, Alexandre"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "1891"]
[BlackElo "1732"]
[PlyCount "113"]
[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. d4 d5 2. c4 dxc4 3. Nc3 a6 4. a4 Nc6 5. Nf3 Nf6 6. Bf4 Bg4 7. e3 Na5 8. Be2 Bxf3 9. Bxf3 e6 10. 0-0 h6 11. Qc2 Bd6 12. Bg3 Bxg3 13. hxg3 0-0 14. Rfd1 c6 15. Be2 b5 16. Na2 Nb3 17. Rab1 Qe7 18. Nc1 Nxc1 19. Rbxc1 Rfc8 20. b3 cxb3 21. Qxb3 Rab8 22. Rd2 c5 23. axb5 axb5 24. Bxb5 cxd4 25. Rxc8+ Rxc8 26. Rxd4 Rc1+ 27. Bf1 Qc7 28. Qd3 Nd5 29. Ra4 Qc6 30. Ra6 Qb7 31. Ra2 f5 32. Ra6 Rc3 33. Qd4 Qf7 34. Qe5 Rc1 35. Rxe6 Nc3 36. f3 Ne2+ 37. Kf2 Nxg3 38. Bd3 Nh1+ 39. Ke2 Rc8 40. Ra6 Qb3 41. Qe6+ Qxe6 42. Rxe6 Kf7 43. Ra6 g6 44. e4 f4 45. e5 Ng3+ 46. Kd2 Rd8 47. Kc3 Rc8+ 48. Bc4+ Ke7 49. Rxg6 Nf5 50. Kb4 Rb8+ 51. Ka5 Ra8+ 52. Kb6 Rb8+ 53. Kc7 Rb2 54. Re6+ Kf8 55. Rf6+ Ke8 56. Rxf5 Rc2 57. Rxf4 1-0

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "3"]
[White "De Matos, Alexandre"]
[Black "Bassani, Jaison Jose"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1732"]
[BlackElo "1964"]
[PlyCount "50"]
[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. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bf4 Bg7 5. Qd2 c6 6. f3 b5 7. Bh6 0-0 8. h4 e5 9. Bxg7 Kxg7 10. 0-0-0 Qe7 11. g4 Nbd7 12. h5 Nb6 13. hxg6 fxg6 14. Qh6+ Kg8 15. Nh3 Be6 16. Ng5 Bc4 17. Rh3 a5 18. Bxc4+ Nxc4 19. dxe5 dxe5 20. Nb1 Rad8 21. Rxd8 Rxd8 22. b3 Na3 23. Qh4 Qc5 24. c3 Qg1+ 25. Kb2 Qxb1+ 0-1

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "2"]
[White "Lopes, Marcelo Ferreira"]
[Black "De Matos, Alexandre"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1943"]
[BlackElo "1732"]
[PlyCount "56"]
[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 e6 3. c3 Nc6 4. Bb5 Nge7 5. 0-0 a6 6. Bxc6 Nxc6 7. d4 d6 8. d5 Nb8 9. Re1 Be7 10. c4 e5 11. b4 b6 12. bxc5 bxc5 13. Nc3 0-0 14. h3 Nd7 15. Na4 f5 16. exf5 Rxf5 17. g4 Rf8 18. Qd3 Rb8 19. Nc3 Nf6 20. Ng5 e4 21. Ncxe4 Nxe4 22. Nxe4 Bf6 23. Rb1 Rxb1 24. Qxb1 h6 25. Bb2 Bxb2 26. Qxb2 Qh4 27. Kg2 h5 28. f3 Qxe1 0-1

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.04.28"]
[Round "1"]
[White "De Matos, Alexandre"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1732"]
[BlackElo "2050"]
[PlyCount "123"]
[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. d4 Nf6 2. Bf4 b6 3. e3 Bb7 4. Nf3 c5 5. c3 g6 6. h3 Bg7 7. Nbd2 0-0 8. Be2 d6 9. 0-0 Nc6 10. Bh2 a6 11. a4 Re8 12. Rb1 e5 13. dxe5 Nxe5 14. b4 Nd5 15. Bxe5 dxe5 16. bxc5 Nxc3 17. Qe1 Nxb1 18. Nxb1 bxc5 19. Qc1 Qa5 20. Nbd2 e4 21. Nc4 Qxa4 22. Nfd2 Rad8 23. f3 exf3 24. Bxf3 Bxf3 25. Rxf3 Qa1 26. Qxa1 Bxa1 27. Nb3 Rd1+ 28. Kf2 Rb8 29. Ke2 Rg1 30. Nxa1 Rxa1 31. Rf6 Rc8 32. Nb6 Re8 33. Rc6 Re6 34. Rc8+ Kg7 35. Nd5 Rc1 36. g4 h6 37. Nc7 Rb6 38. h4 f5 39. g5 hxg5 40. hxg5 Kf7 41. Nd5 Rb7 42. Rc6 Ra7 43. Rf6+ Kg7 44. Nf4 a5 45. Rxg6+ Kf7 46. Rf6+ Ke8 47. g6 Rg1 48. Rxf5 a4 49. Re5+ Kd7 50. Rd5+ Kc6 51. Rd2 a3 52. Ra2 Kb5 53. Kf2 Rg5 54. Kf3 Kc4 55. Ne2 Rxg6 56. Kf2 Kb4 57. e4 c4 58. Ke3 Rd7 59. e5 Rd1 60. Nd4 Rg3+ 61. Kf4 Rxd4+ 62. Kxg3 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.29"]
[Round "10"]
[White "Hirano, Enzo Erich Kreutz"]
[Black "De Matos, Alexandre"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1741"]
[BlackElo "1871"]
[PlyCount "78"]
[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 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. Bc4 Qd8 8. 0-0 0-0 9. Qe2 Nc6 10. Nb3 Be7 11. a4 a5 12. Rd1 Qc7 13. Bg5 b6 14. c3 Bb7 15. Bb5 Rad8 16. Rxd8 Rxd8 17. Rd1 Rxd1+ 18. Qxd1 Ne5 19. Nbd4 h6 20. Bh4 Nxf3+ 21. Nxf3 Qf4 22. Bg3 Bxf3 23. gxf3 Qf5 24. Qd3 Qxd3 25. Bxd3 Ne8 26. Bb5 Kf8 27. Kf1 Bc5 28. Ke2 Nd6 29. Bxd6+ Bxd6 30. h3 g5 31. Kd3 Ke7 32. Kc4 Kd8 33. b4 axb4 34. cxb4 Kc7 35. Be8 h5 36. Bxf7 h4 37. Bxe6 Bg3 38. a5 bxa5 39. bxa5 Bxf2 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.28"]
[Round "9"]
[White "De Matos, Alexandre"]
[Black "Felix, Joao Eduardo Orland"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "1871"]
[BlackElo "1693"]
[PlyCount "77"]
[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 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. a3 a6 7. Be3 Nf6 8. Be2 Be7 9. 0-0 0-0 10. f4 d6 11. Qd2 Nxd4 12. Bxd4 e5 13. Be3 b5 14. Nd5 Nxd5 15. exd5 Bb7 16. f5 Bf6 17. Rac1 Rac8 18. g4 h6 19. c3 Qe7 20. Rcd1 Rfe8 21. Rf2 Bg5 22. f6 Bxf6 23. Rdf1 Bg5 24. Rxf7 Bxe3+ 25. Qxe3 Qxf7 26. Rxf7 Kxf7 27. Qe4 g6 28. Bd3 Rg8 29. g5 hxg5 30. Qg4 Rc7 31. Qxg5 Rcc8 32. Be4 Rc4 33. b3 Rc7 34. Qg4 Bc8 35. Qf3+ Kg7 36. h4 Rf7 37. Qg3 Rf4 38. Qe3 Rgf8 39. Bg2 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.28"]
[Round "8"]
[White "Mariano, Marceley Martins"]
[Black "De Matos, Alexandre"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2089"]
[BlackElo "1871"]
[PlyCount "63"]
[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. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. c4 Nb6 8. Qb3 d6 9. exd6 Qxd6 10. a3 Bg7 11. Be3 Nd7 12. Nc3 Nc5 13. Bxc5 Qxc5 14. Be2 0-0 15. 0-0 Bxc3 16. Qxc3 b6 17. b4 Qf5 18. Bd3 Qf4 19. Rfe1 Be6 20. Re4 Qf6 21. Qxf6 exf6 22. Rc1 Rfd8 23. Be2 a5 24. b5 Ne5 25. Nxe5 fxe5 26. Rxe5 Rac8 27. c5 bxc5 28. Rexc5 Rxc5 29. Rxc5 Rd2 30. Bf1 Rd1 31. f3 Ra1 32. b6 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.27"]
[Round "7"]
[White "De Matos, Alexandre"]
[Black "Predebon, Eduardo Angonesi"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "1871"]
[BlackElo "1740"]
[PlyCount "65"]
[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 Be7 8. Qf3 Nbd7 9. 0-0-0 Qc7 10. g4 e5 11. Nf5 Bf8 12. Bxf6 gxf6 13. Nd5 Qa5 14. Bc4 b5 15. Bb3 Bb7 16. Qc3 Qxc3 17. Nxc3 b4 18. Nd5 Bxd5 19. Bxd5 Rb8 20. Bc6 Rb6 21. Nxd6+ Bxd6 22. Rxd6 Rxc6 23. Rxc6 0-0 24. f5 a5 25. Rd1 Nb8 26. Rxf6 Rc8 27. Rdd6 Kg7 28. g5 Rc7 29. h4 Nd7 30. Rc6 Rb7 31. Rfd6 a4 32. h5 Kf8 33. f6 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "6"]
[White "Marques Junior, Marcos Antonio"]
[Black "De Matos, Alexandre"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1870"]
[BlackElo "1871"]
[PlyCount "85"]
[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. Nf3 d5 2. e3 Nf6 3. b3 Bg4 4. Bb2 Nbd7 5. d4 e6 6. Nbd2 Bd6 7. h3 Bh5 8. g4 Bg6 9. Ne5 Qe7 10. a3 c6 11. Bg2 Nf8 12. h4 h6 13. Nxg6 Nxg6 14. h5 Nf8 15. Qe2 N8d7 16. f4 0-0-0 17. b4 Nb6 18. 0-0-0 Na4 19. Bf3 b5 20. Nb3 Rd7 21. Nc5 Bxc5 22. dxc5 Nxb2 23. Kxb2 a5 24. e4 Rhd8 25. e5 Ne4 26. Bxe4 dxe4 27. Rd6 Rxd6 28. cxd6 Qa7 29. Qxe4 Kd7 30. Rh3 Ra8 31. f5 axb4 32. Qxb4 Qf2 33. fxe6+ fxe6 34. Qc3 Ra4 35. Rf3 b4 36. Rxf2 bxc3+ 37. Kxc3 Rxa3+ 38. Kb4 Re3 39. Rf7+ Kd8 40. Rxg7 Rxe5 41. c4 Ke8 42. Re7+ Kf8 43. Rh7 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.25"]
[Round "4"]
[White "Andrade, Guilherme A de Sou"]
[Black "De Matos, Alexandre"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1913"]
[BlackElo "1871"]
[PlyCount "97"]
[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 Bg7 5. Nc3 Nc6 6. Be3 Qa5 7. Qd2 Nf6 8. Nb3 Qc7 9. Be2 d6 10. h3 a6 11. 0-0 b5 12. Bg5 Be6 13. Bh6 0-0 14. Bxg7 Kxg7 15. a4 bxa4 16. Rxa4 Qb7 17. Nd4 Nxd4 18. Qxd4 Kg8 19. Rb4 Qc7 20. Bd3 Rfb8 21. Ra1 Rxb4 22. Qxb4 a5 23. Nb5 Qb6 24. Qc3 Ne8 25. Ra3 f6 26. Nd4 Rc8 27. Rb3 Qxb3 28. Qxc8 Bxc8 29. Nxb3 a4 30. Nd4 Nc7 31. Nb5 Na8 32. Kf1 Kf7 33. Ke2 Bd7 34. Kd2 Ke8 35. Kc3 Kd8 36. Kb4 Bc6 37. Kxa4 Nb6+ 38. Ka5 Nd7 39. Nd4 Nf8 40. b4 Kc7 41. b5 Bd7 42. Bc4 e5 43. b6+ Kb8 44. Nb5 Bxb5 45. Kxb5 Nd7 46. Kc6 Nc5 47. Bd5 Na4 48. b7 Nc5 49. Kxd6 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "2"]
[White "Correria, Pedro Bavaresco"]
[Black "De Matos, Alexandre"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1766"]
[BlackElo "1871"]
[PlyCount "52"]
[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. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 c6 5. e3 f5 6. Nf3 Nf6 7. Be2 Ne4 8. Ne5 0-0 9. 0-0 Nd7 10. f3 Nxc3 11. bxc3 Nxe5 12. Bxe5 b6 13. Rb1 Bd6 14. Bxd6 Qxd6 15. Qc2 e5 16. e4 Be6 17. Rbd1 fxe4 18. fxe4 dxc4 19. Qa4 Rxf1+ 20. Bxf1 b5 21. Qa6 exd4 22. Rxd4 Qc7 23. a4 Rf8 24. Be2 Qf4 25. Bf3 Qe3+ 26. Kf1 Rxf3+ 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "3"]
[White "De Matos, Alexandre"]
[Black "Custodio, Leandro"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "1871"]
[BlackElo "1964"]
[PlyCount "56"]
[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. d4 Nc6 2. Nf3 d6 3. Bf4 Bg4 4. Nbd2 Nf6 5. h3 Bh5 6. c3 e6 7. g4 Bg6 8. Bg2 d5 9. Ne5 Nxe5 10. Bxe5 Nd7 11. Bg3 Bd6 12. Bxd6 cxd6 13. Qb3 Nb6 14. a4 Qc7 15. a5 Nc4 16. Nxc4 Qxc4 17. Qxc4 dxc4 18. Bxb7 Rb8 19. a6 d5 20. Kd2 h5 21. f3 Kd7 22. e4 hxg4 23. hxg4 Kd6 24. e5+ Kc7 25. Rac1 Bd3 26. Ke3 g5 27. b4 Kb6 28. Kf2 Kb5 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.23"]
[Round "1"]
[White "De Matos, Alexandre"]
[Black "Oviedo Acosta, Paula"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1871"]
[BlackElo "1836"]
[PlyCount "47"]
[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. Nc3 e6 3. f4 a6 4. a4 Nf6 5. Bc4 Nc6 6. e5 d5 7. exd6 Bxd6 8. d3 Qc7 9. Nf3 Bxf4 10. 0-0 Ng4 11. Qe1 Bxh2+ 12. Kh1 Bg3 13. Nd5 Qd6 14. Qe2 0-0 15. Nc3 Nf6 16. Bd2 Nd4 17. Qd1 Bd7 18. Ng5 Qe7 19. Ne2 Nxe2 20. Qxe2 Bc6 21. Bc3 b5 22. Rxf6 gxf6 23. Nxh7 Be5 24. Qg4+ 1/2-1/2

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.19"]
[Round "9"]
[White "De Matos, Alexandre"]
[Black "Serafim Junior, Arnor"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1871"]
[BlackElo "1713"]
[PlyCount "102"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. 0-0 e6 6. Nc3 Nge7 7. Ne4 d6 8. d3 h6 9. Rb1 0-0 10. Bd2 b6 11. Qc1 Kh7 12. Bc3 e5 13. Bd2 Bg4 14. h3 Bxf3 15. Bxf3 Nd4 16. Re1 Nxf3+ 17. exf3 d5 18. Nc3 dxc4 19. dxc4 Qd3 20. Nb5 Qxf3 21. Qc2 Rfd8 22. Bc3 Nc6 23. Nc7 Rac8 24. Nd5 Nd4 25. Bxd4 cxd4 26. Qb3 Qxb3 27. axb3 b5 28. Rec1 e4 29. Ra1 d3 30. Ne7 Rc5 31. Rxa7 d2 32. Rd1 bxc4 33. bxc4 Rxc4 34. Kf1 Bxb2 35. h4 h5 36. Ra5 Rc7 37. Nd5 Rc1 38. Ke2 Rxd1 39. Kxd1 Bd4 40. Nf4 Bxf2 41. Ne2 e3 42. Ra7 Kg7 43. Ra6 Rc8 44. Ra4 Bxg3 45. Rb4 Ra8 46. Rb1 Bxh4 47. Nd4 Bf6 48. Nc2 Rc8 49. Nxe3 Rc1+ 50. Rxc1 dxc1Q+ 51. Kxc1 Bg5 0-1

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.18"]
[Round "8"]
[White "Sombrio, Otto de Henrique"]
[Black "De Matos, Alexandre"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1239"]
[BlackElo "1871"]
[PlyCount "52"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. g3 Nf6 5. Bg2 Bb4+ 6. Bd2 Be7 7. 0-0 0-0 8. Qc2 a5 9. Nc3 Na6 10. a3 dxc4 11. e3 Nd7 12. Ne5 Nxe5 13. dxe5 Qc7 14. f4 Nc5 15. Ne4 Nb3 16. Rad1 b5 17. Bc1 Ba6 18. Nd6 Rad8 19. Ne4 Rxd1 20. Rxd1 Rd8 21. Nd2 a4 22. Nxb3 axb3 23. Qe2 Rxd1+ 24. Qxd1 b4 25. Bf1 bxa3 26. bxa3 Qa5 0-1

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.17"]
[Round "6"]
[White "De Matos, Alexandre"]
[Black "Da Luz, Joao Victor Jacinth"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1871"]
[PlyCount "57"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. a4 a6 4. Bc4 Ne5 5. Ba2 Nf6 6. f4 Nc6 7. e5 b5 8. exf6 exf6 9. axb5 axb5 10. Bxf7+ Kxf7 11. Qh5+ g6 12. Qd5+ Kg7 13. Rxa8 Qe8+ 14. Kd1 Nb4 15. Qf3 Be7 16. Nge2 Rf8 17. Nxb5 g5 18. f5 d6 19. Nc7 Qf7 20. Rxc8 Rxc8 21. Ne6+ Kg8 22. h4 Ra8 23. Qxa8+ Bf8 24. hxg5 fxg5 25. g4 Nd5 26. Qxd5 Qd7 27. Nxg5+ Kg7 28. Rxh7+ Kf6 29. Ne4# 1-0

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.17"]
[Round "7"]
[White "Juliano, Joao Carlos Mazzini"]
[Black "De Matos, Alexandre"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1847"]
[BlackElo "1871"]
[PlyCount "69"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Qb6 5. Qb3 c4 6. Qc2 Bf5 7. Qxf5 Nc6 8. Qc2 h6 9. h3 g5 10. Bh2 Ne4 11. Nd2 f5 12. Ngf3 e6 13. Ne5 h5 14. Nxc6 Qxc6 15. Be5 Rh6 16. Nxe4 fxe4 17. Be2 Bd6 18. Bxd6 Qxd6 19. Qd1 0-0-0 20. Bxh5 Rf8 21. Bg4 Kb8 22. Qd2 Rhf6 23. 0-0 Rh6 24. f3 Rfh8 25. fxe4 dxe4 26. Qf2 Rh4 27. g3 R4h6 28. Kg2 a6 29. Qf7 Qb6 30. Rab1 Qc6 31. Rf6 R6h7 32. Qxe6 Qa4 33. Rbf1 Rd8 34. Qxe4 Qxa2 35. Qxh7 1-0

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.16"]
[Round "5"]
[White "Dos Santos, Fabricio Ferreira"]
[Black "De Matos, Alexandre"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "1855"]
[BlackElo "1871"]
[PlyCount "69"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 c6 6. 0-0 0-0 7. Qc2 a5 8. Nbd2 Na6 9. a3 b6 10. e4 dxc4 11. Nxc4 Bb7 12. Bg5 h6 13. Bxf6 Bxf6 14. Rfd1 Qc7 15. Rac1 c5 16. e5 Be7 17. dxc5 Bxc5 18. Nd6 Bd5 19. Qe2 Qe7 20. Nd4 Bxg2 21. Kxg2 Bxd4 22. Rxd4 Nc7 23. h4 Nd5 24. Qg4 f6 25. Rxd5 exd5 26. Nf5 Qb7 27. e6 d4+ 28. Kg1 Rfe8 29. Re1 Kh7 30. h5 d3 31. Qg6+ Kh8 32. e7 Rg8 33. Nxh6 Rgf8 34. Nf5 Rg8 35. h6 1-0

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.15"]
[Round "3"]
[White "De Matos, Alexandre"]
[Black "Ludtke, Ezequiel Rodrigues"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1871"]
[BlackElo "1538"]
[PlyCount "103"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. c4 e6 4. g3 Bd6 5. Qc2 Nf6 6. Nbd2 Nbd7 7. Bg2 0-0 8. 0-0 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Ng5 Nf6 13. Qc2 h6 14. Ne4 Be7 15. Rd1 Qd7 16. Nc3 Rad8 17. Bh3 Qd6 18. Bf4 Qb4 19. b3 Qa5 20. Be5 Ba8 21. a3 Rd7 22. b4 Qa6 23. Bg2 Rfd8 24. h3 Qc8 25. Rac1 Ne8 26. Ne2 g5 27. g4 Nf6 28. f4 Ne8 29. Rf1 Ng7 30. fxg5 Bxg5 31. Rcd1 Rf8 32. Bf6 Ne8 33. Bxg5 hxg5 34. Ng3 Qd8 35. Qe4 Nd6 36. Qc2 Qe7 37. Nh5 Ne8 38. Qc1 f6 39. Qc2 Qh7 40. Qe2 Re7 41. b5 Bb7 42. bxc6 Bc8 43. Rfe1 Kh8 44. Be4 Qh6 45. Qb2 Kg8 46. Qb4 Rc7 47. d5 exd5 48. cxd5 f5 49. d6 Nxd6 50. Rxd6 Qh8 51. Bd5+ Kh7 52. Be6 1-0

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.14"]
[Round "2"]
[White "De Ramos, Mitzi Vedan"]
[Black "De Matos, Alexandre"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1593"]
[BlackElo "1871"]
[PlyCount "96"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. 0-0 Nc6 9. Bf4 Be7 10. Qa4 0-0 11. Rd1 cxd4 12. cxd4 a6 13. Qc2 Rfc8 14. Nc3 Qd8 15. a3 Bxf3 16. Bxf3 Nxd4 17. Qd3 Nxf3+ 18. Qxf3 Qb6 19. Na4 Qc6 20. Qb3 b5 21. Nc3 Rd8 22. Ne2 Rxd1+ 23. Rxd1 Rd8 24. Rc1 Qe4 25. Be3 Nd5 26. Nc3 Nxc3 27. Qxc3 Bf6 28. Qc8 Qd3 29. Qxa6 Bxb2 30. Rc8 h6 31. Rxd8+ Qxd8 32. Qxb5 Bxa3 33. g3 Qd1+ 34. Kh2 Qd8 35. Qb7 Qe7 36. Qa8+ Qf8 37. Qb7 Bc5 38. Bxc5 Qxc5 39. Qa8+ Kh7 40. Qe4+ Qf5 41. Qe3 e5 42. Qa7 e4 43. Qd4 Qf3 44. h4 h5 45. Qc5 f5 46. Kg1 Qg4 47. Qe5 Qd1+ 48. Kg2 Qf3+ 1/2-1/2

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.13"]
[Round "1"]
[White "De Matos, Alexandre"]
[Black "Carvalho, Felipe Lobo C"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1871"]
[BlackElo "2068"]
[PlyCount "154"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 a6 6. Qc2 Nc6 7. a3 Bg4 8. e3 e6 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4 Bf5 12. Qd1 Bc5 13. b4 Bb6 14. Bd3 Bxd3 15. Qxd3 Qh4+ 16. g3 Qh3 17. Bd2 f6 18. exf6 Nxf6 19. Na4 Ba7 20. b5 0-0 21. b6 Bb8 22. Bb4 Rf7 23. Qc2 g6 24. Qc8+ Kg7 25. 0-0-0 Ne4 26. Bc3+ Kh6 27. Rhg1 Qg4 28. Rdf1 Qe2 29. Re1 Qc4 30. Qxc4 dxc4 31. Bd4 Bd6 32. Kb2 Rc8 33. Rc1 Rf5 34. Nc3 Nf2 35. Rcf1 Nd3+ 36. Kb1 e5 37. fxe5 Bxe5 38. g4 Rxf1+ 39. Rxf1 Bxd4 40. exd4 Rc6 41. Na4 Kg7 42. g5 Rd6 43. Nc5 Rxb6+ 44. Kc2 Nxc5 45. dxc5 Rb5 46. h4 Rxc5 47. Rb1 Rc7 48. a4 Kf7 49. Kc3 Ke6 50. Rd1 Rd7 51. Rxd7 Kxd7 52. a5 Ke6 53. Kxc4 Kd6 54. Kd4 Kc6 55. Ke5 b5 56. axb6 Kxb6 57. Kf6 a5 58. Kg7 a4 59. Kxh7 a3 60. h5 a2 61. hxg6 a1Q 62. g7 Qh1+ 63. Kg6 Qe4+ 64. Kh6 Qe8 65. Kh7 Qh5+ 66. Kg8 Qxg5 67. Kf7 Qf5+ 68. Ke7 Qg6 69. Kf8 Qf6+ 70. Kg8 Kc7 71. Kh7 Qf7 72. Kh8 Qh5+ 73. Kg8 Kd7 74. Kf8 Qf5+ 75. Kg8 Ke7 76. Kh8 Qh5+ 77. Kg8 Kf6 0-1

