[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.07"]
[Round "5"]
[White "Lutz, Leandro de Souza"]
[Black "Messa, Frederico"]
[Result "1-0"]
[ECO "D15"]
[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. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. e3 a6 7. Ne5 Bf5 8. g4 Nxe5 9. dxe5 Nxg4 10. Bh3 Nxe3 11. Bxe3 Bxh3 12. Nxd5 e6 13. Nc3 Qxd1+ 14. Rxd1 Bg2 15. Rg1 Bf3 16. Rd3 Rd8 17. Rxd8+ Kxd8 18. Bb6+ Kd7 19. Rg3 Bd5 20. a3 Kc6 21. Nxd5 exd5 22. Bd4 Kd7 23. Rc3 Be7 24. e6+ fxe6 25. Bxg7 Rc8 26. Rh3 Bd6 27. Rxh7 Kc6 28. Rh6 Re8 29. h4 e5 30. h5 d4 31. Rh8 Rxh8 32. Bxh8 Bf8 33. Bxe5 Kd5 34. Bf6 Ke4 35. Bg5 Bg7 36. h6 Bh8 37. Kd2 d3 38. b3 Be5 39. f4 Bd4 40. h7 Bh8 41. Be7 Kxf4 42. Kxd3 Kf5 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.07"]
[Round "6"]
[White "Messa, Frederico"]
[Black "De Andrade, Lorenzo A Hardtk"]
[Result "0-1"]
[ECO "E06"]
[BlackElo "1800"]
[PlyCount "52"]
[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 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. Qc2 b6 7. cxd5 exd5 8. 0-0 Re8 9. b3 Bb7 10. Ba3 Nbd7 11. Bxe7 Rxe7 12. b4 a5 13. b5 Rc8 14. e3 c6 15. bxc6 Bxc6 16. Rc1 Ne4 17. a4 Re8 18. Qb2 Qf6 19. Nc3 Nxc3 20. Rxc3 Bb7 21. Rac1 Rc4 22. Rxc4 dxc4 23. Ne5 Bxg2 24. Nxd7 Qf3 25. Ne5 Rxe5 26. dxe5 Bh3 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.07"]
[Round "7"]
[White "Strapazon, Alice Kubiczewski"]
[Black "Messa, Frederico"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1800"]
[PlyCount "120"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be2 Bd6 7. Nf3 Bg4 8. 0-0 0-0 9. h3 Bf5 10. Re1 b5 11. Be3 a5 12. c4 bxc4 13. Bxc4 Be6 14. Rc1 Re8 15. Bb3 Bd5 16. Ba4 Ra7 17. a3 Qb6 18. Ne5 Rae7 19. Nc4 Bxc4 20. Rxc4 Qxb2 21. Bxc6 Nxc6 22. Rxc6 Qxa3 23. Bd2 Rxe1+ 24. Bxe1 Qa4 25. Rc1 Qxd1 26. Rxd1 a4 27. Ra1 f5 28. Kf1 Ra8 29. Bd2 Kf8 30. Ke2 Ke7 31. Bc1 Ke6 32. Ba3 Bf4 33. Kd3 Kd5 34. Kc3 g6 35. f3 h5 36. Rb1 Bd6 37. Bxd6 Kxd6 38. Kc4 a3 39. Rb6+ Kc7 40. Rb1 Kc6 41. Kb3 Rb8+ 42. Ka2 Rxb1 43. Kxb1 Kd5 44. Ka2 Kxd4 45. Kxa3 Ke3 46. Kb3 Kf2 47. Kc3 Kxg2 48. h4 Kxf3 49. Kd2 f4 50. Ke1 Kg2 51. Ke2 f3+ 52. Ke1 f2+ 53. Ke2 f1Q+ 54. Ke3 Qc4 55. Kd2 Qb3 56. Ke2 Qc3 57. Kd1 Qb2 58. Ke1 Kf3 59. Kd1 Ke3 60. Ke1 Qe2# 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.06"]
[Round "2"]
[White "Messa, Frederico"]
[Black "Calsing, Ado"]
[Result "0-1"]
[ECO "D76"]
[BlackElo "1899"]
[PlyCount "132"]
[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. Nf3 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. e4 Nb6 8. Nc3 Nc6 9. d5 Na5 10. 0-0 c6 11. dxc6 Nxc6 12. Qxd8 Rxd8 13. Be3 Nc4 14. Bc1 Bg4 15. Nd1 Rd3 16. Ne3 Nxe3 17. Bxe3 Bxb2 18. Rab1 Bxf3 19. Rxb2 Bxg2 20. Kxg2 Rd7 21. Rc1 Rad8 22. Kf1 Rd1+ 23. Rxd1 Rxd1+ 24. Ke2 Rd7 25. f4 f6 26. f5 gxf5 27. exf5 b6 28. Rc2 Nd4+ 29. Bxd4 Rxd4 30. Rc8+ Kf7 31. Rh8 Ra4 32. Rxh7+ Kf8 33. h4 Rxa2+ 34. Kf3 a5 35. g4 a4 36. Rh8+ Kg7 37. Rb8 Rb2 38. Ra8 Rb3+ 39. Ke4 a3 40. Kd5 Rb5+ 41. Kc4 Re5 42. Rxa3 Re4+ 43. Kb5 Rxg4 44. Kxb6 Rxh4 45. Kc6 Rf4 46. Ra5 Rf1 47. Kd7 Kf7 48. Rb5 Re1 49. Rb2 Re5 50. Rf2 Rd5+ 51. Kc6 Re5 52. Kd7 e6 53. fxe6+ Rxe6 54. Rf5 Re5 55. Rf4 f5 56. Ra4 Re4 57. Ra6 Re7+ 58. Kd8 Re5 59. Ra1 f4 60. Rf1 Rd5+ 61. Kc7 Rd4 62. Kc6 Ke6 63. Kc5 Ke5 64. Re1+ Re4 65. Rd1 f3 66. Rd8 Kf4 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.06"]
[Round "4"]
[White "Messa, Frederico"]
[Black "Dos Santos, Guilherme Fortes"]
[Result "1/2-1/2"]
[ECO "D36"]
[BlackElo "1736"]
[PlyCount "135"]
[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 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Be7 7. Qc2 b6 8. cxd5 exd5 9. Bd3 h6 10. Bh4 0-0 11. 0-0 c5 12. Rfc1 Bb7 13. Bf1 Rc8 14. h3 Ne4 15. Bxe7 Qxe7 16. Qd3 c4 17. Qe2 a6 18. Nxe4 dxe4 19. Nd2 b5 20. f4 Nb6 21. Rc2 Nd5 22. a3 f5 23. Nb1 g5 24. g3 gxf4 25. gxf4 Kh7 26. Nc3 Rg8+ 27. Kh2 Qg7 28. Qf2 Nf6 29. Be2 Qf7 30. Rcc1 Bc6 31. Rg1 a5 32. Rxg8 Rxg8 33. Rg1 b4 34. Nb1 Bd5 35. Rxg8 Qxg8 36. Bd1 Nd7 37. Qh4 Qf8 38. Ba4 Nb6 39. Bb5 Nc8 40. Qh5 Nd6 41. Ba4 Qg7 42. Qh4 Qf8 43. Bd1 Bc6 44. Kg2 Nb5 45. Qe1 bxa3 46. Qxa5 axb2 47. Qb6 Qg7+ 48. Kf2 Qd7 49. Ba4 Nxd4 50. Bxc6 Nxc6 51. Qxb2 Kg6 52. Qb5 Qe6 53. Qc5 Nd8 54. Nd2 Qd7 55. Nxc4 Qd1 56. Qd6+ Qxd6 57. Nxd6 Nc6 58. h4 Ne7 59. Kg3 Nd5 60. h5+ Kf6 61. Nc4 Ke6 62. Kh4 Nf6 63. Ne5 Kd5 64. Nf7 Ng4 65. Nxh6 Nxe3 66. Kg5 Ke6 67. Kg6 Ng2 68. Nxf5 1/2-1/2

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.06"]
[Round "3"]
[White "Scharlau Pereira, Tiago"]
[Black "Messa, Frederico"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1494"]
[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 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. d4 Be6 7. Bd3 c5 8. 0-0 Be7 9. c3 Nc6 10. dxc5 Bxc5 11. b4 Be7 12. Re1 0-0 13. b5 Ne5 14. Nxe5 fxe5 15. Qc2 g6 16. Bh6 Re8 17. Rxe5 Rc8 18. Rae1 Bc4 19. Bxc4 Rxc4 20. Rd1 Qc8 21. Qd2 Bf6 22. Rxe8+ Qxe8 23. Re1 Re4 24. Rxe4 Qxe4 25. Be3 Qb1+ 26. Qc1 Qxc1+ 27. Bxc1 Bxc3 28. Be3 a6 29. b6 Kf8 30. Kf1 Ke8 31. Ke2 Kd7 32. Kd3 Ba5 33. Kc4 Kc6 34. a4 Bxb6 35. Bxb6 Kxb6 36. f4 Kc6 37. a5 b6 38. axb6 Kxb6 39. Kb4 h5 40. g3 Kc6 41. Kc4 a5 42. h3 a4 43. g4 h4 44. g5 Kd6 45. Kd4 Ke6 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.05"]
[Round "1"]
[White "Nunes Da Silva, Tadeu Fernando"]
[Black "Messa, Frederico"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1351"]
[PlyCount "92"]
[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 c6 2. Nf3 d5 3. e5 c5 4. d4 cxd4 5. Qxd4 Nc6 6. Qd1 Bg4 7. Be2 e6 8. a3 Bxf3 9. Bxf3 Nxe5 10. Be2 Nf6 11. 0-0 Bd6 12. b4 0-0 13. Nd2 Rc8 14. Bb2 a6 15. Nf3 Nxf3+ 16. Bxf3 Qc7 17. Bxf6 gxf6 18. g3 Qxc2 19. Qd4 Be5 20. Qg4+ Qg6 21. Rab1 Qxg4 22. Bxg4 f5 23. Be2 Rc2 24. Bd3 Rc3 25. Rfd1 Rxa3 26. b5 axb5 27. Rxb5 Rb8 28. Bf1 b6 29. Rc1 Ra5 30. Rb2 Rc5 31. Rxb6 Rxc1 32. Rxb8+ Bxb8 33. Kg2 Rxf1 34. Kxf1 e5 35. Ke2 e4 36. h3 h5 37. h4 f6 38. Ke3 Be5 39. Ke2 Kf7 40. Ke3 Ke6 41. Ke2 Kd6 42. Ke3 d4+ 43. Ke2 d3+ 44. Kd2 Kd5 45. Kd1 Bd4 46. Ke1 d2+ 0-1

