[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.01.30"]
[Round "2"]
[White "Dias, Clara"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1857"]
[BlackElo "2203"]
[PlyCount "71"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 Be7 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Nxc6 Qxc6 12. Bf3 Qc7 13. c3 Rd8 14. Qc2 Bd7 15. Re1 Bc6 16. Be4 Bxe4 17. Qxe4 Rd7 18. Be3 Rad8 19. Qg4 Bf6 20. Qa4 Rd5 21. h4 h5 22. Qb4 a5 23. Qe4 Qc6 24. g3 Rc8 25. Bf4 Qe8 26. Qc2 Rcd8 27. Re4 Qc6 28. Qe2 g6 29. Re1 Kg7 30. Rc4 Rc5 31. Rxc5 Qxc5 32. Be5 Rd5 33. Bf4 Qc6 34. Qe4 Rd1 35. Kh2 Rxe1 36. Qxe1 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.01.29"]
[Round "1"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Santos, Abel Cardoso Dos"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "2203"]
[BlackElo "1842"]
[PlyCount "59"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Bg5 c6 7. Qd2 h6 8. Be3 e5 9. d5 c5 10. Bd3 Qa5 11. Nge2 Nb6 12. 0-0 Na4 13. Nxa4 Qxa4 14. Nc3 Qa5 15. a3 Qd8 16. b4 b6 17. Bc2 Bd7 18. Rfe1 Kf8 19. bxc5 dxc5 20. a4 Ne8 21. a5 Nd6 22. axb6 axb6 23. Bd3 Rxa1 24. Rxa1 Kg8 25. Ra6 Kh7 26. Qb2 Nc8 27. Nb5 Bc6 28. Ra3 Bd7 29. Na7 Nd6 30. Ra6 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.27"]
[Round "9"]
[White "Bassani, Jaison Jose"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1949"]
[BlackElo "2201"]
[PlyCount "68"]
[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 Nc6 3. g3 g6 4. Bg2 Rb8 5. d3 b5 6. a3 a5 7. a4 bxa4 8. Rxa4 Bg7 9. Nge2 d6 10. 0-0 e6 11. Be3 Bd7 12. Ra2 Nge7 13. d4 cxd4 14. Nxd4 0-0 15. Nb3 Qc7 16. Qd2 Ne5 17. Nxa5 N7c6 18. Nxc6 Qxc6 19. Qd1 Nc4 20. Bd4 Bxd4 21. Qxd4 e5 22. Qa7 Ra8 23. Nd5 Kg7 24. Ne7 Rxa7 25. Rxa7 Qb5 26. b3 Nb6 27. Rfa1 Qc5 28. b4 Qxc2 29. Rb7 Re8 30. Rxb6 Rxe7 31. Rxd6 Qb2 32. Rad1 Bg4 33. f3 Be6 34. Rb6 Rc7 0-1

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.26"]
[Round "8"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Benitez, Andres"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2201"]
[BlackElo "1956"]
[PlyCount "51"]
[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 d5 2. Nf3 e6 3. c4 Nf6 4. g3 dxc4 5. Bg2 c6 6. 0-0 b5 7. a4 Bb7 8. b3 cxb3 9. Qxb3 a6 10. Rd1 Nbd7 11. Ne5 Qc8 12. Nxd7 Nxd7 13. Ba3 Bxa3 14. Nxa3 0-0 15. Rac1 Rb8 16. Qb4 Nf6 17. Qc5 Nd5 18. e4 Nf6 19. e5 Nd5 20. Bxd5 cxd5 21. axb5 axb5 22. Nxb5 Ba6 23. Nd6 Qd7 24. Ra1 Be2 25. Re1 Bh5 26. Rec1 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.25"]
[Round "7"]
[White "Costa, Flavio Luis Cesar"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "1994"]
[BlackElo "2201"]
[PlyCount "98"]
[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. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. 0-0 Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 Bxe3 14. fxe3 Be6 15. Qxd6 Rc8 16. h3 Qxd6 17. Rxd6 Ke7 18. Rd2 Rc5 19. Nd5+ Bxd5 20. exd5 Ne8 21. d6+ Nxd6 22. Rfd1 Rd8 23. h4 f6 24. c3 Rc7 25. Kf2 Nf7 26. Rxd8 Nxd8 27. Bd5 f5 28. Rd2 Rd7 29. Ke2 Kf6 30. c4 g5 31. hxg5+ hxg5 32. Kd1 Rh7 33. b4 Ne6 34. Bxe6 Kxe6 35. c5 f4 36. exf4 gxf4 37. gxf4 exf4 38. a4 Rh1+ 39. Kc2 f3 40. b5 axb5 41. axb5 Ke5 42. c6 bxc6 43. bxc6 Rh6 44. c7 Rc6+ 45. Kd1 Rxc7 46. Ke1 Kf4 47. Kf2 Rc4 48. Ra2 Ke4 49. Rb2 Ra4 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.24"]
[Round "6"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Seccafim, Caic Dos Santos"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2201"]
[BlackElo "1986"]
[PlyCount "46"]
[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. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. h3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nxd5 10. cxd5 c6 11. Bc4 cxd5 12. Bxd5 Na6 13. Bg5 Re8 14. 0-0 Nb4 15. Bc4 Be6 16. Rfc1 Bxc4 17. Rxc4 Nc6 18. Rd1 f6 19. Be3 Red8 20. Rd5 Bf8 21. a3 Rac8 22. Rxd8 Rxd8 23. g4 Kf7 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.23"]
[Round "5"]
[White "Flores Quillas, Diego Saul Rodrigo"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2429"]
[BlackElo "2201"]
[PlyCount "93"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nd7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Ngf6 12. 0-0-0 Be7 13. Kb1 0-0 14. Ne5 c5 15. Qf3 Qb6 16. Nxd7 Nxd7 17. d5 exd5 18. Rxd5 Rfd8 19. Nf5 Bf6 20. c3 Nf8 21. Bd6 Ne6 22. Rhd1 Kh7 23. Ng3 Ng5 24. Qd3+ Kg8 25. f4 c4 26. Qxc4 Ne6 27. Ne4 Rac8 28. Qd3 a6 29. Qg3 Kh7 30. Qh3 Rc6 31. Qf5+ Kg8 32. Nxf6+ gxf6 33. Be7 Rxd5 34. Qxd5 Nxf4 35. Qf5 Ne6 36. Bxf6 Rd6 37. Qg4+ Kh7 38. Qe4+ Kg8 39. Rd4 Rxd4 40. cxd4 Qb5 41. Qf3 Kf8 42. Be5 Ng5 43. Qf5 Qe2 44. Qc8+ Ke7 45. Qxb7+ Ke8 46. Qc6+ Ke7 47. Bf6+ 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.22"]
[Round "4"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Salinas Herrera, Pablo Patricio"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2201"]
[BlackElo "2477"]
[PlyCount "97"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Nbd2 0-0 6. Bg2 b6 7. cxd5 exd5 8. 0-0 Bb7 9. Ne5 a5 10. Qc2 Be7 11. Rd1 Qc8 12. Ndf3 Ne4 13. Be3 Bd6 14. Rac1 Re8 15. Nd3 Na6 16. a3 Bf8 17. Qb3 Qe6 18. Nf4 Qd6 19. Ne5 Nf6 20. Nfd3 h6 21. Rc2 Rab8 22. Qb5 c5 23. dxc5 Nxc5 24. b4 axb4 25. axb4 Nxd3 26. Nxd3 Rxe3 27. fxe3 Ng4 28. e4 Ne3 29. e5 Qe6 30. Rdc1 Nxc2 31. Rxc2 Ra8 32. h3 Ra7 33. Kh2 g5 34. Bf3 d4 35. Bxb7 Rxb7 36. Qc6 Qe7 37. Rc4 Ra7 38. Rc2 Qd8 39. Qe4 Bg7 40. Qf5 Rc7 41. Rxc7 Qxc7 42. e6 fxe6 43. Qxe6+ Kh7 44. Qf5+ Kh8 45. Qe6 Kh7 46. Qe4+ Kh8 47. Qe8+ Kh7 48. Qe4+ Kh8 49. Qe8+ 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.22"]
[Round "3"]
[White "Ferreira, Andrei Dias"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1977"]
[BlackElo "2201"]
[PlyCount "96"]
[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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 a5 13. Qf3 Be6 14. Nxf6+ Qxf6 15. Qxf6 gxf6 16. b3 a4 17. Bd3 axb3 18. axb3 Rxa1+ 19. Nxa1 Nd4 20. Nc2 Nxb3 21. Nxb4 Kd7 22. Nd5 Nc5 23. Bb1 Bxd5 24. cxd5 Rb8 25. 0-0 Rb2 26. Rd1 Ke7 27. g4 Rb4 28. Re1 Kf8 29. Kg2 Kg7 30. Kg3 Rb3+ 31. f3 Rb2 32. h3 Rd2 33. Rf1 h6 34. Rf2 Rd1 35. Bc2 Rc1 36. h4 Kg6 37. h5+ Kg5 38. Rd2 Ra1 39. Bd1 Ra3 40. Bc2 Rc3 41. Rf2 Ra3 42. Rd2 Rc3 43. Rf2 f5 44. gxf5 Nd7 45. Kg2 Nf6 46. f4+ exf4 47. e5 Ng4 48. exd6 Kf6 0-1

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.21"]
[Round "2"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Karoly, Carlos Acacio Gomes"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2201"]
[BlackElo "1846"]
[PlyCount "63"]
[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. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c6 7. Bd3 a6 8. a4 a5 9. Nge2 Na6 10. Qd2 Nb4 11. Rd1 e5 12. Bb1 exd4 13. Nxd4 Re8 14. 0-0 d5 15. cxd5 cxd5 16. Ndb5 Be6 17. Qf2 Ra6 18. e5 Nd7 19. Nd6 Nxe5 20. Nxe8 Qxe8 21. Nb5 Rc6 22. Bd4 Qb8 23. h3 Rc8 24. f4 Nec6 25. Bxg7 Kxg7 26. f5 gxf5 27. Bxf5 Qe5 28. Bxe6 Qxe6 29. Rde1 Qg6 30. Re3 Kh8 31. Rg3 Qh6 32. Qxf7 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.20"]
[Round "1"]
[White "Gomes, Genildo de Souza"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1560"]
[BlackElo "2201"]
[PlyCount "50"]
[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. c4 c5 3. d5 b5 4. b3 e6 5. Bb2 Bb7 6. dxe6 fxe6 7. cxb5 d5 8. Nf3 Bd6 9. e3 0-0 10. Be2 Nbd7 11. Nc3 Qe7 12. h3 e5 13. Qc2 d4 14. Nd1 e4 15. Bc4+ Kh8 16. Nh2 Ne5 17. exd4 Nd3+ 18. Kf1 Nxb2 19. Qxb2 cxd4 20. Ng4 Nh5 21. Qxd4 Ng3+ 22. Kg1 Nxh1 23. Kxh1 h5 24. Nde3 Rad8 25. Qxa7 Bc5 0-1

[Event "BRA-ch 89th"]
[Site "Recife"]
[Date "2023.12.20"]
[Round "10"]
[White "Matsuura, Everaldo"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2418"]
[BlackElo "2182"]
[PlyCount "74"]
[EventDate "2023.12.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Be7 5. b3 0-0 6. Bb2 c5 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Bc4 Qd8 10. 0-0 Nc6 11. Qc2 Bf6 12. Bxf6 Qxf6 13. Bd3 h6 14. Qxc5 Rd8 15. Be4 Bd7 16. Qc3 Qe7 17. d4 Rac8 18. Qb2 f5 19. Bxc6 Bxc6 20. Ne5 Be4 21. Rac1 Qg5 22. g3 Qh5 23. Rc3 Rxc3 24. Qxc3 Bd5 25. f3 Qe8 26. Qd3 b5 27. Rc1 Rc8 28. Rc5 Rxc5 29. dxc5 Qb8 30. Qd4 Qb7 31. Kf2 b4 32. h4 h5 33. Ng6 Kf7 34. Nf4 Bxf3 35. Qe5 Qc6 36. Nxe6 Qd5 37. Ng5+ Kg8 1-0

[Event "BRA-ch 89th"]
[Site "Recife"]
[Date "2023.12.19"]
[Round "9"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Filgueiras, Nathan Felipe"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2182"]
[BlackElo "2295"]
[PlyCount "51"]
[EventDate "2023.12.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Nc6 5. Bg2 Bd6 6. 0-0 0-0 7. Bg5 h6 8. Bxf6 Qxf6 9. Qd3 dxc4 10. Qxc4 e5 11. d5 Ne7 12. Nc3 Ng6 13. Rac1 Bf5 14. Nd2 Qe7 15. Nb5 Rfc8 16. Ne4 Qd8 17. Qb3 Bf8 18. Rfd1 a6 19. Na3 Rab8 20. Nc4 b6 21. h3 Bd6 22. Nexd6 cxd6 23. Qa3 Rc5 24. b4 Rc7 25. h4 Bc8 26. Ne3 1/2-1/2

[Event "BRA-ch 89th"]
[Site "Recife"]
[Date "2023.12.17"]
[Round "7"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Di Berardino, Diego Rafael"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2182"]
[BlackElo "2477"]
[PlyCount "82"]
[EventDate "2023.12.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. h3 0-0 9. Be2 b6 10. Be3 Bb7 11. Qd3 Nd7 12. 0-0 e6 13. Rad1 Nf6 14. Nd2 Qc7 15. Qb1 Rfd8 16. Rc1 Rac8 17. Rfd1 Bc6 18. Ba6 Rb8 19. Bb5 a6 20. Bxc6 Qxc6 21. f3 Nh5 22. Nc4 b5 23. Ne5 Qc7 24. Nd3 c4 25. Nf2 e5 26. Qc2 Rbc8 27. dxe5 Qxe5 28. Ng4 Qc7 29. Bg5 Qc5+ 30. Be3 Qe7 31. Bb6 Rxd1+ 32. Rxd1 Nf4 33. Be3 Nd3 34. Nf2 Nxf2 35. Bxf2 Rd8 36. Rxd8+ Qxd8 37. Kf1 Qd6 38. Ke2 Qh2 39. g4 b4 40. cxb4 Bd4 41. Ke1 c3 0-1

[Event "BRA-ch 89th"]
[Site "Recife"]
[Date "2023.12.16"]
[Round "6"]
[White "Da Silva, Giovanni B Tavares"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2001"]
[BlackElo "2182"]
[PlyCount "100"]
[EventDate "2023.12.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Bd3 Ne7 13. Nxe7 Qxe7 14. 0-0 0-0 15. Nc2 g6 16. Qe2 f5 17. a4 d5 18. f3 Rb8 19. axb5 axb5 20. exd5 Qc5+ 21. Kh1 Qxd5 22. c4 Qd6 23. cxb5 Bb7 24. Rad1 Qc5 25. Bc4+ Kh8 26. b4 Qe7 27. Bd5 Bf6 28. Qc4 Bxd5 29. Rxd5 e4 30. Nd4 exf3 31. Nxf3 Rfe8 32. h3 Qe3 33. Rc1 Qe6 34. Nd4 Qf7 35. Nc6 Rb7 36. Qd3 Kg7 37. Rd1 h5 38. Kg1 Kh6 39. Rd7 Rxd7 40. Qxd7 Qb3 41. Rf1 Re2 42. Nd8 Qe3+ 43. Kh1 Be7 44. Nf7+ Kg7 45. Qd5 Qe4 46. Qxe4 Rxe4 47. g4 Kxf7 48. gxh5 Rxb4 49. hxg6+ Kxg6 50. Kg2 Rxb5 0-1

[Event "Florianopolis 6th"]
[Site "Florianopolis"]
[Date "2023.11.22"]
[Round "9"]
[White "Tomiello, Mateus Costamilan"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "D44"]
[WhiteElo "2145"]
[BlackElo "2194"]
[PlyCount "39"]
[EventDate "2023.11.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. Be2 Nxf6 13. Bf3 Be7 14. Qe2 Qc7 15. g3 0-0-0 16. Bf4 Bd6 17. Bg5 Be7 18. Rd1 Nd5 19. Nxd5 exd5 20. Bxe7 1/2-1/2

[Event "Florianopolis 6th"]
[Site "Florianopolis"]
[Date "2023.11.21"]
[Round "8"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Hataby, Raed"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2194"]
[BlackElo "1910"]
[PlyCount "93"]
[EventDate "2023.11.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. d4 d6 2. e4 g6 3. c4 Bg7 4. Nc3 Nf6 5. h3 Nbd7 6. Be3 e5 7. d5 Nc5 8. Qc2 a5 9. g4 a4 10. f3 Nfd7 11. h4 h5 12. g5 Nb6 13. Nh3 Bd7 14. Nb5 Nc8 15. Rd1 Na7 16. Nc3 0-0 17. b4 axb3 18. axb3 Na6 19. Nb5 Nc8 20. Qc3 c5 21. dxc6 Bxc6 22. Rh2 Nc7 23. Nxc7 Qxc7 24. Rhd2 Bd7 25. Qc2 f5 26. c5 fxe4 27. Qxe4 Kh7 28. cxd6 Qa5 29. b4 Qa4 30. Ng1 Bf5 31. Qxb7 Nxd6 32. Rxd6 Rfb8 33. Qd5 Qxb4+ 34. Qd2 Qxh4+ 35. Bf2 Qa4 36. Bh3 Bxh3 37. Nxh3 e4 38. Rd7 e3 39. Bxe3 Qh4+ 40. Nf2 Re8 41. Kf1 Qc4+ 42. Qd3 Qc6 43. Ne4 Kh8 44. Rxg7 Kxg7 45. Qd7+ Qxd7 46. Rxd7+ Kg8 47. Nf6+ 1-0

[Event "Florianopolis 6th"]
[Site "Florianopolis"]
[Date "2023.11.21"]
[Round "7"]
[White "Lujan, Carolina"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2258"]
[BlackElo "2194"]
[PlyCount "93"]
[EventDate "2023.11.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 Nf6 6. 0-0 Be7 7. h3 0-0 8. Re1 Re8 9. Bf1 Bf8 10. Rxe8 Qxe8 11. d4 Bf5 12. c4 h6 13. Nc3 Ne4 14. Qc2 Bh7 15. Bd3 f5 16. Nd5 Qd7 17. b4 Nc6 18. Bb2 Kh8 19. a3 Qf7 20. Nf4 Ng5 21. Nh4 Ne4 22. f3 Ng3 23. Qf2 Nh5 24. Nxh5 Qxh5 25. f4 d5 26. b5 dxc4 27. Be2 Qe8 28. bxc6 Qxc6 29. Rc1 Qe4 30. Bxc4 Bd6 31. Re1 Qxf4 32. Qxf4 Bxf4 33. Kf2 Bd6 34. Bf7 Bg8 35. Bg6 Rf8 36. Re8 Rxe8 37. Bxe8 f4 38. Nf5 Bf8 39. Bg6 Bh7 40. Bxh7 Kxh7 41. d5 g6 42. Nd4 Bg7 43. Bc3 Bf8 44. a4 g5 45. Kf3 a6 46. Ke4 Bg7 47. Kf5 1-0

[Event "Florianopolis 6th"]
[Site "Florianopolis"]
[Date "2023.11.20"]
[Round "6"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Federzoni, Enzo"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "2194"]
[BlackElo "2206"]
[PlyCount "90"]
[EventDate "2023.11.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qa4+ c6 7. e4 Nxc3 8. bxc3 0-0 9. Qa3 Bg4 10. Bg5 f6 11. Bc4+ Kh8 12. Be3 Bxf3 13. gxf3 f5 14. e5 f4 15. Bd2 Nd7 16. h4 Bh6 17. Rd1 b5 18. Be6 a5 19. h5 g5 20. Bc1 Rb8 21. Kf1 Nxe5 22. Kg2 Nc4 23. Bxc4 bxc4 24. Rde1 Rf7 25. Re6 Qd5 26. Re5 Qd7 27. Rxa5 g4 28. Qc5 gxf3+ 29. Kxf3 Rg7 30. Rh4 e5 31. Qxe5 Re8 32. Qf5 Qd8 33. Rxf4 Bxf4 34. Bxf4 Rf8 35. Qe5 Kg8 36. Qe6+ Rgf7 37. Rf5 Qh4 38. Rxf7 Qxh5+ 39. Ke3 Qxf7 40. Qd6 Qf5 41. f3 Re8+ 42. Kf2 Rf8 43. Kg3 h5 44. Qh6 Rf6 45. Qg5+ Rg6 0-1

[Event "Florianopolis 6th"]
[Site "Florianopolis"]
[Date "2023.11.19"]
[Round "4"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Umetsubo, Cesar Hidemitsu"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2194"]
[BlackElo "2357"]
[PlyCount "76"]
[EventDate "2023.11.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 cxd4 7. exd4 d5 8. 0-0 dxc4 9. Bxc4 0-0 10. a3 Be7 11. d5 exd5 12. Nxd5 Nxd5 13. Bxd5 Bg4 14. f3 Bf5 15. Be3 Bf6 16. Ng3 Bg6 17. Qb3 Nd4 18. Bxd4 Bxd4+ 19. Kh1 Rc8 20. Be4 Qh4 21. f4 Bxe4 22. Nxe4 Rc6 23. Qxb7 Rb6 24. Qc7 Rxb2 25. Rad1 Qg4 26. Ng3 Bb6 27. Qe5 Ra2 28. Rd3 Qe6 29. Qb5 f5 30. Rfd1 Bc7 31. Rd7 Bxf4 32. Nh5 Bh6 33. Qb7 Re2 34. Rxg7+ Kh8 35. Rxh7+ Kg8 36. Rg7+ Kh8 37. Rh7+ Kg8 38. Rg7+ Kh8 1/2-1/2

[Event "Florianopolis 6th"]
[Site "Florianopolis"]
[Date "2023.11.19"]
[Round "5"]
[White "Duarte Napoles, Fanny"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2213"]
[BlackElo "2194"]
[PlyCount "30"]
[EventDate "2023.11.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Be2 Bf5 7. 0-0 Nd7 8. Nf3 e6 9. c4 N5f6 10. Nc3 Bd6 11. h3 h6 12. d5 cxd5 13. Nd4 Bh7 14. cxd5 exd5 15. Bf3 0-0 1/2-1/2

[Event "Florianopolis 6th"]
[Site "Florianopolis"]
[Date "2023.11.18"]
[Round "3"]
[White "Cuenca Jimenez, Jose Fernando"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2505"]
[BlackElo "2194"]
[PlyCount "40"]
[EventDate "2023.11.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. dxc5 Nc6 5. Bb5 e6 6. b4 Bd7 7. c3 a5 8. Qb3 axb4 9. cxb4 Ne4 10. Ne2 b6 11. f3 Qf6 12. fxe4 Qxa1 13. exd5 exd5 14. Nec3 Be7 15. 0-0 Bf6 16. Na4 bxc5 17. Nbc3 c4 18. Qc2 Qxf1+ 19. Kxf1 Nd4 20. Bxd7+ Kxd7 1-0

[Event "Florianopolis 6th"]
[Site "Florianopolis"]
[Date "2023.11.17"]
[Round "2"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Caetano, Ryan Wesley da Cost"]
[Result "1-0"]
[ECO "E83"]
[WhiteElo "2194"]
[BlackElo "2235"]
[PlyCount "61"]
[EventDate "2023.11.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Na5 9. Nc1 Nd7 10. Be2 c5 11. dxc5 dxc5 12. Nb3 Nxb3 13. axb3 e6 14. Rd1 Qe7 15. f4 b5 16. cxb5 axb5 17. Bxb5 Rb8 18. e5 g5 19. Bxd7 Rd8 20. Qf2 Rxd7 21. 0-0 Bb7 22. Bxc5 Qd8 23. Rxd7 Qxd7 24. Bd6 Ra8 25. fxg5 Ra5 26. b4 Rxe5 27. Bxe5 Bxe5 28. Rd1 Qc7 29. h3 Bg3 30. Qd4 Bh2+ 31. Kh1 1-0

[Event "Florianopolis 6th"]
[Site "Florianopolis"]
[Date "2023.11.17"]
[Round "1"]
[White "Piccoli, Lucas Fonseca"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2225"]
[BlackElo "2194"]
[PlyCount "76"]
[EventDate "2023.11.17"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 dxc4 4. Qa4+ Bd7 5. Qxc4 c5 6. Ne5 Nc6 7. Nxd7 Qxd7 8. Bg2 Nf6 9. 0-0 Be7 10. Qc2 0-0 11. d3 Rac8 12. Nc3 Rfd8 13. b3 b6 14. Bb2 Ne8 15. Rad1 Bf6 16. Qb1 Nd4 17. e3 Nb5 18. Ne4 Bxb2 19. Qxb2 Qe7 20. Rd2 Nbd6 21. Nc3 Nc7 22. Rfd1 Ndb5 23. Ne2 Nd5 24. a4 Nd6 25. e4 Nb4 26. d4 cxd4 27. Nxd4 Nb7 28. Nb5 a6 29. Na3 h6 30. Nc4 Rxd2 31. Rxd2 b5 32. axb5 axb5 33. Ne3 Qc5 34. Qd4 Qxd4 35. Rxd4 Nc6 36. Rd3 Nc5 37. Rc3 Nd4 38. Bf1 b4 1/2-1/2

[Event "Florianopolis op-A"]
[Site "Florianopolis"]
[Date "2023.09.23"]
[Round "2"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Almeida Junior, Alvaro Alves de"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2205"]
[BlackElo "2046"]
[PlyCount "43"]
[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. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. e3 e6 7. Bd3 Bd6 8. 0-0 0-0 9. e4 dxe4 10. Nxe4 Be7 11. Be3 Nb4 12. Bb1 b6 13. Ne5 Bb7 14. Nxf6+ Bxf6 15. a3 Nd5 16. Qd3 g6 17. Bh6 Bg7 18. Qd2 Nf6 19. Bxg7 Kxg7 20. Ba2 Bd5 21. Bxd5 Qxd5 22. Rfd1 1/2-1/2

[Event "Florianopolis op-A"]
[Site "Florianopolis"]
[Date "2023.09.23"]
[Round "4"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Goncalves, Davi Sulzbacher"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2205"]
[BlackElo "2282"]
[PlyCount "19"]
[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. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 c5 6. c3 0-0 7. Be2 Nbd7 8. 0-0 b6 9. b4 Bb7 10. Qb3 1/2-1/2

[Event "Florianopolis op-A"]
[Site "Florianopolis"]
[Date "2023.09.23"]
[Round "3"]
[White "Silva, Kaua Marques"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2239"]
[BlackElo "2205"]
[PlyCount "32"]
[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 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Nc3 Nc6 8. Qe3+ Be7 9. Nd5 0-0 10. Bd3 Re8 11. 0-0 Bf5 12. Bxf5 Nxf5 13. Qd3 Nfd4 14. Nxe7+ Rxe7 15. Nxd4 Qxd4 16. Qf3 Qc4 1/2-1/2

[Event "Florianopolis op-A"]
[Site "Florianopolis"]
[Date "2023.09.22"]
[Round "1"]
[White "De Oliveira, Jairo Quintiliano"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1865"]
[BlackElo "2205"]
[PlyCount "76"]
[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 a6 3. c4 e6 4. Nc3 Nc6 5. d4 cxd4 6. Nxd4 Bb4 7. Nxc6 bxc6 8. Qd4 Kf8 9. Be2 d6 10. Bf4 f6 11. Qd2 Ne7 12. 0-0 e5 13. Be3 Be6 14. a3 Bxc3 15. Qxc3 d5 16. Bc5 d4 17. Qg3 g5 18. b4 Kg7 19. f4 Ng6 20. fxg5 fxg5 21. Rfd1 h5 22. Qf2 h4 23. a4 Nf4 24. Bf1 Bg4 25. Rd2 Ne6 26. h3 Nxc5 27. bxc5 Be6 28. Rb2 Qe7 29. Qd2 Kg6 30. Qa5 Rhf8 31. Raa2 Rf4 32. Rf2 Raf8 33. Qb6 Qf6 34. Rxf4 Qxf4 35. Bd3 Qe3+ 36. Kh2 Qxd3 37. Qxc6 Qg3+ 38. Kg1 Rf6 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.10"]
[Round "9"]
[White "Pereira, Arthur Macedo"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "1720"]
[BlackElo "2205"]
[PlyCount "54"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Bb4 5. e3 Nf6 6. Bd2 0-0 7. a3 Bxc3 8. Bxc3 Qe8 9. Be2 d6 10. 0-0 Kh8 11. b4 e4 12. dxe4 fxe4 13. Nd4 Qg6 14. Nxc6 Bh3 15. g3 Bxf1 16. Bxf1 bxc6 17. h3 Nd7 18. Bg2 Rae8 19. Ra2 Qe6 20. Qd4 Rf7 21. Rc2 c5 22. Qd2 Ne5 23. Bxe5 Qxe5 24. bxc5 Qxc5 25. Qd5 Re5 26. Qb7 Rfe7 27. Qb5 Qxa3 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.09"]
[Round "8"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Mariano, Marceley Martins"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "2205"]
[BlackElo "2051"]
[PlyCount "51"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 e6 4. e4 fxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 0-0 8. Bd3 b6 9. Qe2 Bb7 10. 0-0-0 a5 11. h4 a4 12. a3 Ra5 13. Kb1 Na6 14. Nfg5 h6 15. Nf3 c5 16. Nd6 Qa8 17. Nc4 cxd4 18. Nxa5 bxa5 19. Ne5 Nc5 20. f3 Nxd3 21. Nxd3 Ba6 22. Qe4 Qa7 23. Rhg1 d5 24. Qf4 e5 25. Nxe5 d3 26. cxd3 1/2-1/2

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.08"]
[Round "7"]
[White "Fier, Alexandr"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2592"]
[BlackElo "2205"]
[PlyCount "110"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Nbd7 8. Qc2 0-0 9. Nf3 Re8 10. 0-0 h6 11. Bf4 Nf8 12. Rab1 Bd6 13. Bxd6 Qxd6 14. b4 a6 15. Na4 Ne4 16. Rfc1 Qe7 17. Ne5 f6 18. Nf3 Bf5 19. Nc5 Bh7 20. a4 Nd6 21. Bxh7+ Nxh7 22. Nh4 Ng5 23. Nf5 Nxf5 24. Qxf5 Nf7 25. h4 Nd6 26. Qh3 Rad8 27. h5 Qf7 28. Nd3 Qe6 29. Qxe6+ Rxe6 30. Nf4 Ree8 31. Rb3 Kf7 32. f3 Re7 33. Kf2 Rdd7 34. Rc5 Re8 35. g4 Red8 36. Ne2 f5 37. gxf5 Kf6 38. Rb1 Nxf5 39. b5 axb5 40. axb5 Ne7 41. Ra1 Rd6 42. Ra7 Rb8 43. Nf4 Rdd8 44. Nd3 Ra8 45. Rxb7 Ra2+ 46. Kg3 cxb5 47. Ne5 Rd6 48. Rb8 Rda6 49. Rf8+ Kg5 50. e4 Rd2 51. Rc1 Ra3 52. Rf7 Rxd4 53. Rxe7 Kf6 54. Rcc7 dxe4 55. Ng4+ Kg5 1-0

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.07"]
[Round "6"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Campos, Alexandre Ferreira"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2205"]
[BlackElo "2041"]
[PlyCount "75"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 d6 7. g3 e5 8. Bg2 a5 9. 0-0 Na6 10. Rb1 0-0 11. b4 axb4 12. axb4 Nd7 13. e4 Nf6 14. Ne1 Nb8 15. Nd3 Nbd7 16. f4 exf4 17. gxf4 Ne8 18. e5 dxe5 19. fxe5 Bg5 20. Qg4 Bxc1 21. Rbxc1 Ra3 22. Qg3 Ba6 23. Nb1 Rxd3 24. Qxd3 Nxe5 25. Qe4 Qg5 26. h4 Qe7 27. Rfe1 f6 28. c5 Qd7 29. Red1 bxc5 30. bxc5 Nf7 31. Qe6 Qa4 32. d6 cxd6 33. cxd6 Bb7 34. Bxb7 Qa7+ 35. Kh2 Qxb7 36. d7 Qb8+ 37. Kh3 Ned6 38. Rc6 1-0

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.07"]
[Round "5"]
[White "Saraiva, Alexandre Pacheco"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1872"]
[BlackElo "2205"]
[PlyCount "68"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. e3 e5 5. Nf3 Nc6 6. Be2 Bd6 7. Nbd2 e4 8. Nd4 f5 9. Nb5 Bb8 10. c4 a6 11. cxd5 axb5 12. dxc6 bxc6 13. Qc2 Ne7 14. Nb3 0-0 15. Bd2 Qd6 16. a3 Nd5 17. Rd1 Qg6 18. g3 Be5 19. Nd4 Bxd4 20. exd4 f4 21. Bb4 Re8 22. Rc1 Be6 23. Bd6 f3 24. Bxf3 exf3 25. Qxg6 hxg6 26. 0-0 Bd7 27. Be5 Nb6 28. Rc3 Nc4 29. Re1 c5 30. Rec1 Nxe5 31. dxe5 Rxe5 32. Rxf3 Rae8 33. Rfc3 Bh3 34. f4 Re2 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.06"]
[Round "4"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "De Siqueira, Luigy Lira"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2205"]
[BlackElo "2099"]
[PlyCount "41"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. 0-0 cxd4 6. Nxd4 e5 7. Nb3 Be6 8. Bg5 Nbd7 9. Nc3 Be7 10. e3 0-0 11. Qe2 Re8 12. Rfd1 a6 13. Bxf6 Nxf6 14. Nxd5 Bxd5 15. Bxd5 Nxd5 16. c4 Nc3 17. bxc3 Qc7 18. Rab1 f6 19. Rd5 Qc8 20. Rbd1 Qc6 21. R1d2 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.05"]
[Round "2"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Trombini, Fabio"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2205"]
[BlackElo "1868"]
[PlyCount "145"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 0-0 8. Bd3 Nbd7 9. Nge2 Re8 10. 0-0 Nf8 11. f3 Be6 12. Rad1 Qd7 13. Na4 Rad8 14. e4 dxe4 15. fxe4 h6 16. Bc1 Bg4 17. h3 Bh5 18. e5 Nd5 19. Bf5 Bg6 20. g4 Nb4 21. Qb1 Bxf5 22. gxf5 c5 23. b3 cxd4 24. Rxd4 Qc8 25. Rc4 Qb8 26. f6 Bxf6 27. exf6 Rxe2 28. Bf4 Qa8 29. Nc3 b5 30. Nxe2 bxc4 31. fxg7 Ng6 32. Qf5 Qd5 33. Qxd5 Nxd5 34. Bxh6 cxb3 35. axb3 Kh7 36. Rxf7 Kxh6 37. Rd7 Rb8 38. Rxd5 Kxg7 39. Rd7+ Kh6 40. Nd4 Rb4 41. Kf2 a5 42. Kg3 a4 43. h4 Nxh4 44. bxa4 Rxa4 45. Kxh4 Kg6 46. Kg4 Kf6 47. Kf4 Ra5 48. Rd6+ Kf7 49. Nc6 Ra4+ 50. Nd4 Ra5 51. Nf5 Ra1 52. Ng3 Rb1 53. Ne4 Ra1 54. Rd5 Ke6 55. Re5+ Kd7 56. Rc5 Re1 57. Ke5 Ke7 58. Rc7+ Kd8 59. Rh7 Kc8 60. Kd5 Rd1+ 61. Kc6 Rc1+ 62. Nc5 Kd8 63. Rb7 Ke8 64. Kd6 Rd1+ 65. Ke5 Re1+ 66. Ne4 Kd8 67. Rh7 Kc8 68. Kd5 Rd1+ 69. Kc4 Rc1+ 70. Nc3 Kd8 71. Kd4 Ke8 72. Nd5 Rd1+ 73. Kc5 1/2-1/2

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.05"]
[Round "3"]
[White "Okamura, Milton Kasuo"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "E49"]
[WhiteElo "1966"]
[BlackElo "2205"]
[PlyCount "53"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Ba2 Nc6 11. 0-0 e5 12. d5 Rd8 13. f3 e4 14. fxe4 Ne5 15. Rf4 Bg4 16. Qc2 Bxe2 17. Qxe2 Ng6 18. Rxf6 gxf6 19. Bb2 Ne5 20. c4 Rd6 21. Rf1 Rb6 22. Rf4 Kf8 23. Rh4 Rxb2 24. Qxb2 Qa5 25. Qe2 Qxa3 26. Rxh7 Qc1+ 27. Kf2 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.04"]
[Round "1"]
[White "Da Silva, Joao Carlos Orguim"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "1674"]
[BlackElo "2205"]
[PlyCount "84"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. d3 Nc6 4. g3 e5 5. Nbd2 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. b3 Bg4 9. h3 Bh5 10. g4 Bg6 11. Nh4 Nd7 12. Nxg6 hxg6 13. Nf3 a5 14. Bd2 Nc5 15. Qc2 f5 16. Nh2 Bf6 17. Rab1 Nb4 18. Bxb4 axb4 19. Qd2 Qd6 20. g5 Be7 21. Bd5+ Kh7 22. h4 e4 23. dxe4 fxe4 24. Rb2 c6 25. Qxd4 cxd5 26. e3 dxc4 27. Qxc4 Qe6 28. Qxe6 Nxe6 29. Rc1 Rfc8 30. Rbc2 Rc5 31. Nf1 Rxa2 32. Rxc5 Nxc5 33. Ng3 Bd6 34. Rc4 Bxg3 35. fxg3 Nd3 36. Rxe4 Rb2 37. g4 Rxb3 38. h5 Rb1+ 39. Kh2 b3 40. Re7 b2 41. Rxb7 Rf1 42. h6 b1Q 0-1

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.06"]
[Round "5"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Seccafim, Caic Dos Santos"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2221"]
[BlackElo "1984"]
[PlyCount "176"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. c3 d6 6. e4 c5 7. dxc5 dxc5 8. Bc4 Bg4 9. Qc2 Nc6 10. h3 Bxf3 11. Nxf3 Qc7 12. 0-0 Rad8 13. Rfe1 h6 14. Be3 Kh7 15. Rad1 Na5 16. Rxd8 Qxd8 17. Bf1 Qc7 18. Qa4 a6 19. b4 cxb4 20. cxb4 Nc6 21. b5 axb5 22. Bxb5 Qd6 23. Rc1 Ne5 24. Nd2 Rd8 25. f4 Neg4 26. e5 Nxe5 27. fxe5 Qxe5 28. Re1 Nd5 29. Nf3 Qb2 30. Qb3 Qxb3 31. axb3 Nc3 32. Bf1 e6 33. Rc1 b5 34. b4 Nd5 35. Bc5 Bc3 36. Bxb5 Bxb4 37. Bxb4 Nxb4 38. Rc7 Kg7 39. Bc4 Kf6 40. Rb7 Nc2 41. Kf2 Nd4 42. Nxd4 Rxd4 43. Rc7 h5 44. Ke3 Rd1 45. Bb5 Kg7 46. Be8 Rd8 47. Bd7 Kf6 48. Bc6 Rb8 49. Bb7 Rd8 50. Be4 Rb8 51. Rc5 Rb3+ 52. Kf4 Rb4 53. Ke3 Rb3+ 54. Bd3 Rb4 55. Rc3 Ra4 56. Kf3 Rb4 57. g4 hxg4+ 58. hxg4 Kg5 59. Rc5+ f5 60. gxf5 gxf5 61. Ke3 Rh4 62. Rc8 Kf6 63. Rf8+ Ke5 64. Be2 Re4+ 65. Kf3 Rh4 66. Rc8 Rh3+ 67. Kg2 Ra3 68. Rc6 Kf6 69. Kf2 Ra5 70. Bd3 Re5 71. Kf3 Rd5 72. Bc4 Re5 73. Ra6 Ke7 74. Bb3 Kf6 75. Ba4 Rd5 76. Bb3 Rd3+ 77. Ke2 Rxb3 78. Rc6 f4 79. Ra6 Kf5 80. Ra5+ e5 81. Rc5 Re3+ 82. Kf2 Rd3 83. Ke2 Ra3 84. Rb5 f3+ 85. Kf2 Kf4 86. Rb8 Ra2+ 87. Kf1 e4 88. Rb4 Kg3 0-1

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.05"]
[Round "4"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Filgueiras, Nathan Felipe"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2221"]
[BlackElo "2343"]
[PlyCount "50"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Be2 b6 9. Bb2 Bb7 10. 0-0 Qe7 11. Rad1 c5 12. cxd5 exd5 13. Qf5 Rfd8 14. Rfe1 Nf8 15. Nb5 Bb8 16. Qb1 Ng6 17. Bf1 Ne4 18. Nc3 Nh4 19. Be2 Nxf3+ 20. Bxf3 Bxh2+ 21. Kf1 Ba6+ 22. Ne2 Qh4 23. g3 Nxg3+ 24. fxg3 Qxg3 25. Bg2 Qxe3 0-1

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.05"]
[Round "3"]
[White "Martins de Aguiar, Marina"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1900"]
[BlackElo "2221"]
[PlyCount "144"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Rb8 13. Be2 0-0 14. 0-0 Kh8 15. Nce3 g6 16. Bf3 f5 17. Qd3 a5 18. Rfd1 f4 19. Nc2 Ne7 20. b3 Be6 21. Nxe7 Bxe7 22. Na3 d5 23. Nxb5 Qb6 24. a4 dxe4 25. Qxe4 Bxb3 26. Rdb1 Qe6 27. Re1 Bf6 28. h3 Rbd8 29. Bg4 Qf7 30. Qc6 Bd5 31. Qc7 e4 32. Qxf7 Rxf7 33. Rad1 h5 34. Rxd5 Rxd5 35. Be6 Rfd7 36. Bxd7 Rxd7 37. Rxe4 Rd1+ 38. Kh2 g5 39. Re6 Kg7 40. Re4 Rd2 41. Kg1 Rd1+ 42. Kh2 Kg6 43. Nd4 Rd3 44. Nc6 Kf5 45. Rc4 Bxc3 46. Nxa5 Be1 47. Rc2 g4 48. hxg4+ hxg4 49. Rc5+ Ke6 50. Rc6+ Kd5 51. Rg6 Bxf2 52. Rxg4 Ke4 53. Nc4 Bg3+ 54. Kh3 Rd4 55. Nb2 Rb4 56. Nd1 Kd3 57. Rg8 Rb1 58. Rd8+ Kc2 59. a5 Ra1 60. a6 Rxa6 61. Kg4 Ra1 62. Ne3+ fxe3 63. Kxg3 e2 64. Re8 e1Q+ 65. Rxe1 Rxe1 66. Kf4 Kd3 67. g4 Kd4 68. Kf5 Kd5 69. Kf6 Kd6 70. g5 Rf1+ 71. Kg7 Ke6 72. g6 Rg1 0-1

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.04"]
[Round "2"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "De Paula, Luan Araujo"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2221"]
[BlackElo "1851"]
[PlyCount "93"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. d4 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Na3 Rb8 10. Nxc4 Bb7 11. Na5 Nd5 12. Nxb7 Rxb7 13. Qc2 Qd7 14. Bd2 Rfb8 15. b3 Ba3 16. Rfd1 Rb6 17. e3 Qe7 18. e4 Nb4 19. Qc4 Bb2 20. Rab1 Ba3 21. Be3 a5 22. Qe2 Na6 23. d5 Bc5 24. dxe6 Qxe6 25. Bxc5 Nxc5 26. Rbc1 Qe7 27. Qc4 Ne6 28. e5 Rb5 29. Qxc6 Rxe5 30. Bd5 Qb4 31. Bxe6 Rxe6 32. Qxc7 Rbe8 33. Qc4 Qb7 34. Qc7 Qb4 35. Qc3 Qb5 36. Re1 g6 37. Rxe6 Rxe6 38. Re1 Re2 39. Rxe2 Qxe2 40. Qxa5 h5 41. h4 Qc2 42. Qa8+ Kg7 43. Kg2 g5 44. hxg5 Qd2 45. Qf3 Qxg5 46. a4 Qa5 47. Qe4 1-0

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.04"]
[Round "1"]
[White "Bonilla Viamonte, Diego Armando"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1569"]
[BlackElo "2221"]
[PlyCount "66"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. Qf3 Qxf3 6. Nxf3 g6 7. h3 Bg7 8. Bc4 c5 9. Rb1 0-0 10. d3 Nc6 11. Be3 b6 12. Bd5 Bb7 13. Bxc6 Bxc6 14. Ke2 e5 15. Rhd1 Rad8 16. g3 f5 17. Bd2 e4 18. dxe4 Bb5+ 19. Ke1 fxe4 20. Ng5 Bd4 21. Bf4 Rde8 22. h4 e3 23. f3 e2 24. Rd2 Be3 25. Rd6 Bxf4 26. gxf4 Rxf4 27. h5 Rf5 28. Nxh7 Kxh7 29. hxg6+ Kg7 30. Kf2 Ref8 31. Rh1 Rxf3+ 32. Kg2 Rf2+ 33. Kg3 R2f6 0-1

[Event "Florianopolis Winter op"]
[Site "Florianopolis"]
[Date "2023.07.14"]
[Round "5"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Umetsubo, Cesar Hidemitsu"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2137"]
[BlackElo "2345"]
[PlyCount "114"]
[EventDate "2023.07.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Ne1 d5 10. f3 Bg6 11. cxd5 exd5 12. Nd3 Nc6 13. Be3 Re8 14. Bf2 Bf6 15. Nf4 Qd6 16. Rc1 Bg5 17. Qd2 Re7 18. e3 Bxf4 19. gxf4 Na5 20. b3 Rae8 21. Bh3 Qf6 22. Rc3 Bf5 23. Bxf5 Qxf5 24. Qc2 Qh3 25. Rxc7 h5 26. Rxe7 Rxe7 27. Rc1 Re6 28. f5 Rc6 29. Qd1 Qxf5 30. Rxc6 Nxc6 31. Qe2 Qg6+ 32. Kf1 f5 33. Bg3 Qe6 34. Bf4 Qd7 35. Qb5 Ne5 36. Qxd7 Nxd7 37. Ke2 Kf7 38. Kd3 Ke6 39. h4 Nf8 40. Bg3 Ng6 41. f4 Kd7 42. a4 Kc6 43. b4 a6 44. Be1 Ne7 45. Bd2 Nc8 46. Kc3 Nd6 47. Be1 Kb7 48. Bd2 Nc4 49. Bc1 Kc7 50. Kd3 Kd7 51. Kc3 Ke7 52. Kd3 Ke6 53. Kc3 b5 54. axb5 axb5 55. Kd3 Kf6 56. Bd2 Ke7 57. Be1 Ke6 1/2-1/2

[Event "Florianopolis Winter op"]
[Site "Florianopolis"]
[Date "2023.07.14"]
[Round "6"]
[White "Delgado Ramirez, Neuris"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2553"]
[BlackElo "2137"]
[PlyCount "51"]
[EventDate "2023.07.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. a4 a5 7. h3 Nf6 8. Be3 Nd7 9. Qc1 h6 10. Na3 b6 11. 0-0 Nf8 12. Rd1 e5 13. c3 Ne6 14. Nc4 Qc7 15. d4 exd4 16. cxd4 cxd4 17. Nxd4 Nxd4 18. Bxd4 Bxd4 19. Rxd4 Be6 20. Nd6+ Kf8 21. Qc3 Kg8 22. f4 Rd8 23. Rad1 Kh7 24. f5 Bc8 25. Nxf7 Rxd4 26. fxg6+ 1-0

[Event "Caioba op 7th"]
[Site "Caioba"]
[Date "2023.06.22"]
[Round "6"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Salvadego, Matheus Henrique De"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2137"]
[BlackElo "1937"]
[PlyCount "126"]
[EventDate "2023.06.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 c6 5. Bg2 Be7 6. 0-0 0-0 7. Nbd2 b6 8. Qc2 Bb7 9. e4 dxe4 10. Nxe4 Na6 11. Rd1 b5 12. Nxf6+ Bxf6 13. cxb5 cxb5 14. Ng5 Bxg5 15. Bxb7 Nb4 16. Qb3 Rb8 17. Bg2 Nd5 18. Bxd5 exd5 19. Bxg5 Qxg5 20. Rac1 b4 21. Rc5 Rfd8 22. Qf3 Rb7 23. h4 Qe7 24. Rxd5 Rxd5 25. Qxd5 Rd7 26. Qf3 g6 27. Kg2 Qe6 28. d5 Qe5 29. Rd2 h5 30. Qd3 Qd6 31. Qd4 Kh7 32. Kh2 a5 33. b3 Kg8 34. Rc2 Rd8 35. Rc5 Qb6 36. Kg2 Kh7 37. Qc4 Rd7 38. Qb5 Qd8 39. Qxa5 Qe7 40. Rc4 Qe5 41. Qxb4 Qxd5+ 42. Kh2 Qa8 43. Qa4 Ra7 44. Qc6 Qxc6 45. Rxc6 Rxa2 46. Kg2 Rb2 47. Rc3 Kg7 48. Kf3 Kf6 49. Rc6+ Ke5 50. Rb6 Rb1 51. Rb7 f6 52. Ke3 Re1+ 53. Kd3 Rf1 54. Re7+ Kf5 55. Re2 g5 56. Rb2 Kg4 57. hxg5 fxg5 58. b4 h4 59. gxh4 gxh4 60. Ke2 Rc1 61. Kd2 Rf1 62. Ke2 Rc1 63. Kd2 Rf1 1/2-1/2

[Event "Caioba op 7th"]
[Site "Caioba"]
[Date "2023.06.21"]
[Round "5"]
[White "Ticona Rocabado, Licael Roderick"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2285"]
[BlackElo "2137"]
[PlyCount "103"]
[EventDate "2023.06.18"]
[EventType "swiss"]
[EventRounds "9"]
[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. e3 a6 5. Nc3 Nbd7 6. b3 b6 7. Bd3 Bb7 8. 0-0 Bd6 9. Qe2 Ne4 10. Bb2 0-0 11. Nd2 f5 12. f3 Bxh2+ 13. Kxh2 Qh4+ 14. Kg1 Ng3 15. Qe1 Nf6 16. Ne2 Nfh5 17. Nxg3 Nxg3 18. f4 dxc4 19. Nf3 Qh1+ 20. Kf2 Nxf1 21. Bxf1 cxb3 22. axb3 Bd5 23. Qc3 Qh5 24. Be2 b5 25. Ba3 Rf7 26. Bb4 c6 27. Bd6 h6 28. Rg1 a5 29. Ne5 Qh4+ 30. Kf1 b4 31. Qa1 Rb7 32. Qa4 Kh7 33. Bc5 g5 34. Nf3 Qg3 35. fxg5 hxg5 36. Rh1+ Kg7 37. Rh3 Qg4 38. Bd6 Qe4 39. Rh7+ Kxh7 40. Nxg5+ Kg6 41. Nxe4 Bxe4 42. Bf3 Bd3+ 43. Kf2 Bb5 44. Qa1 a4 45. Bxb4 a3 46. Bc3 a2 47. Qc1 Rba7 48. Ba1 Rh7 49. d5 cxd5 50. Qb2 Rf7 51. Qe5 Re8 52. Qg3+ 1-0

[Event "Caioba op 7th"]
[Site "Caioba"]
[Date "2023.06.20"]
[Round "4"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Schena, Arthur"]
[Result "1-0"]
[ECO "E84"]
[WhiteElo "2137"]
[BlackElo "1885"]
[PlyCount "51"]
[EventDate "2023.06.18"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Rc1 Bd7 10. Nd1 Re8 11. Nf2 e5 12. d5 Nd4 13. Nxd4 exd4 14. Bxd4 c5 15. dxc6 bxc6 16. Be2 h5 17. 0-0 Kh7 18. Rcd1 Bh6 19. Qc3 Re6 20. c5 dxc5 21. Qxc5 Qc7 22. Bc4 Bf8 23. Qa7 Rb7 24. Qxa6 c5 25. Bxe6 Bb5 26. Qa3 1-0

[Event "Caioba op 7th"]
[Site "Caioba"]
[Date "2023.06.19"]
[Round "2"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2137"]
[BlackElo "2604"]
[PlyCount "136"]
[EventDate "2023.06.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. e3 Nf6 4. Bd3 d5 5. 0-0 Nc6 6. c4 cxd4 7. exd4 Nb4 8. Be2 dxc4 9. Bxc4 Nbd5 10. Ne5 Bd6 11. Bg5 h6 12. Bb5+ Kf8 13. Bh4 a6 14. Bc4 g5 15. Bg3 b5 16. Bxd5 Nxd5 17. Nd2 Bb7 18. Ne4 Nf4 19. Bxf4 Bxe4 20. Qh5 Rh7 21. Bg3 Kg8 22. Rfe1 Bd5 23. a4 Be7 24. axb5 axb5 25. Qe2 b4 26. Qb5 Qe8 27. Rxa8 Qxa8 28. Rc1 f5 29. f3 Bf6 30. Qxb4 Rb7 31. Qc3 Kg7 32. h3 Kh7 33. Nd3 f4 34. Bf2 Qb8 35. Nc5 Ra7 36. Nd3 Qb3 37. Qxb3 Bxb3 38. Nc5 Bd5 39. b4 Kg6 40. b5 Bd8 41. Rb1 Bb6 42. Nd3 Kf6 43. Ne5 Rc7 44. Kh2 Ke7 45. Bg1 Rc2 46. Kh1 h5 47. Nc6+ Kd6 48. Ne5 Kc7 49. Nd3 Ba5 50. h4 Rd2 51. Ne5 g4 52. Nc4 Bxc4 53. Rc1 Kb7 54. Rxc4 Rd1 55. fxg4 hxg4 56. g3 Bd2 57. Kg2 Be3 58. gxf4 Rxg1+ 59. Kh2 Rf1 60. Kg3 Rxf4 61. Rc6 Re4 62. h5 Bd2 63. h6 Bxh6 64. d5 Bf4+ 65. Kxg4 exd5 66. Kf5 Bc7 67. Rc5 Re5+ 68. Kf6 d4 0-1

[Event "Caioba op 7th"]
[Site "Caioba"]
[Date "2023.06.19"]
[Round "3"]
[White "Boabaid, Jorge Alberto Duard"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1807"]
[BlackElo "2137"]
[PlyCount "108"]
[EventDate "2023.06.18"]
[EventType "swiss"]
[EventRounds "9"]
[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 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 Qc7 8. Qd3 b5 9. Bb3 Bb7 10. Nd2 0-0 11. Nd5 Nxd5 12. Bxd5 Bxd5 13. Qxd5 Nc6 14. c3 Ne7 15. Qd3 Bc5 16. 0-0 f5 17. exf5 d5 18. Nb3 e4 19. Qh3 Bb6 20. g4 Nc6 21. Be3 Ne5 22. Bxb6 Qxb6 23. Nd4 Rae8 24. Rad1 g6 25. Kh1 Kh8 26. Ne6 Rxe6 27. fxe6 Qxe6 28. Qe3 Nf3 29. Rg1 Nxg1 30. Qd4+ Kg8 31. Rxg1 Rf7 32. Rg3 Qc6 33. Kg2 Qe6 34. h3 Rc7 35. h4 Rf7 36. h5 g5 37. Kh3 Rf4 38. Qa7 Qf7 39. Qb6 Rf6 40. Qe3 Rf4 41. Qb6 Rf6 42. Qe3 h6 43. Kg2 Qe6 44. Kh3 Kg7 45. Qa7+ Qf7 46. Qxf7+ Rxf7 47. Kg2 Rf8 48. Kf1 Kf6 49. Ke2 Ke5 50. Ke3 b4 51. f3 bxc3 52. bxc3 Rc8 53. Kf2 Kf4 54. fxe4 dxe4 0-1

[Event "Caioba op 7th"]
[Site "Caioba"]
[Date "2023.06.18"]
[Round "1"]
[White "Bieging, Luca Jurgen"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1395"]
[BlackElo "2137"]
[PlyCount "50"]
[EventDate "2023.06.18"]
[EventType "swiss"]
[EventRounds "9"]
[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 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bg5 Qc7 8. Bxf6 Bxc3+ 9. bxc3 Qxc3+ 10. Nd2 gxf6 11. Bc4 Rg8 12. 0-0 Qh3 13. g3 Nc6 14. Re1 b5 15. Bf1 Qg4 16. Qc1 Bb7 17. c4 Nd4 18. cxb5 Rc8 19. bxa6 Bxa6 20. Qb2 Bxf1 21. Kxf1 Rc2 22. Qb8+ Ke7 23. Qb4+ d6 24. Rac1 Qh3+ 25. Kg1 Ne2+ 0-1

[Event "Rio de Janeiro op 2nd"]
[Site "Rio de Janeiro"]
[Date "2023.05.07"]
[Round "9"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Lima, Stefan Moisei Vieir"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2150"]
[BlackElo "2007"]
[PlyCount "78"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d6 5. e4 Nc6 6. c3 e5 7. dxe5 Nxe5 8. Nxe5 dxe5 9. Bc4 Qe7 10. Qb3 c6 11. a4 h6 12. Bh4 0-0 13. 0-0 b6 14. Rfd1 Rb8 15. f3 a6 16. Nf1 Qc7 17. Bf2 b5 18. axb5 axb5 19. Be2 Be6 20. Qb4 Rfc8 21. Ra7 Rb7 22. Rxb7 Qxb7 23. Ra1 Bf8 24. Bc5 Bxc5+ 25. Qxc5 Nd7 26. Qf2 Qb6 27. Ne3 Rd8 28. Nd1 Qxf2+ 29. Kxf2 Nc5 30. Ra7 Nd3+ 31. Bxd3 Rxd3 32. Ke1 Kf8 33. Rc7 Rd6 34. Ne3 Ke8 35. g4 Kd8 36. Ra7 Ke8 37. Rc7 Kd8 38. Ra7 Ke8 39. Rc7 Kd8 1/2-1/2

[Event "Rio de Janeiro op 2nd"]
[Site "Rio de Janeiro"]
[Date "2023.05.06"]
[Round "8"]
[White "Bastos Seixas, Pedro Lucas"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2055"]
[BlackElo "2150"]
[PlyCount "50"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 c5 4. e3 Nc6 5. dxc5 e6 6. Be2 Bxc5 7. 0-0 0-0 8. c4 d4 9. exd4 Nxd4 10. Nxd4 Bxd4 11. Qc2 Qb6 12. Nc3 Bd7 13. Rab1 Rac8 14. b4 e5 15. Bg5 Bxc3 16. Qxc3 Ne4 17. Qc1 Qg6 18. Bd3 Bf5 19. Bh4 Qh5 20. Qc2 Qxh4 21. f3 Nd6 22. Bxf5 Rxc4 23. Qd3 Rd4 24. Qc2 g6 25. g3 Qh6 0-1

[Event "Rio de Janeiro op 2nd"]
[Site "Rio de Janeiro"]
[Date "2023.05.05"]
[Round "6"]
[White "Rodriguez Vila, Andres"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2431"]
[BlackElo "2150"]
[PlyCount "115"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 Nbd7 5. Bb2 Bd6 6. Nc3 0-0 7. Rc1 a6 8. Be2 b6 9. cxd5 exd5 10. Nd4 Nc5 11. 0-0 Qd7 12. d3 Re8 13. Bf3 Bb7 14. Nce2 Be5 15. Qc2 Rac8 16. Ng3 Ne6 17. Ndf5 Ng5 18. Be2 Bxb2 19. Qxb2 Qd8 20. Nxg7 Kxg7 21. f4 Nh3+ 22. gxh3 d4 23. e4 c5 24. Bf3 Kh8 25. b4 Qd7 26. bxc5 bxc5 27. Rf2 Qb5 28. a4 Qb4 29. Qa2 Rc7 30. a5 Qb5 31. Rc4 Qd7 32. Bg2 Ba8 33. Rfc2 Rec8 34. Qa3 Qb5 35. Rb2 Qd7 36. Rb6 Rc6 37. Rxc6 Qxc6 38. Nf5 Qc7 39. Qc1 Nh5 40. Nxd4 Nxf4 41. Bf1 Rg8+ 42. Kh1 Qe5 43. Nf3 Qf6 44. Qc3 Qxc3 45. Rxc3 f5 46. Nd2 fxe4 47. dxe4 Rd8 48. Rxc5 Kg7 49. Rc2 Rd6 50. Kg1 Rg6+ 51. Kf2 Rd6 52. Rc7+ Kh6 53. Ke3 Ng6 54. Ra7 Rd8 55. Rxa6 Re8 56. Bb5 Rc8 57. Nc4 Rc5 58. Nd6 1/2-1/2

[Event "Rio de Janeiro op 2nd"]
[Site "Rio de Janeiro"]
[Date "2023.05.04"]
[Round "4"]
[White "De Souza, Felipe Guimaraes"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2025"]
[BlackElo "2150"]
[PlyCount "18"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 Be7 5. e3 0-0 6. Nc3 h6 7. Bxf6 Bxf6 8. Qd2 dxc4 9. Bxc4 c5 1/2-1/2

[Event "Rio de Janeiro op 2nd"]
[Site "Rio de Janeiro"]
[Date "2023.05.03"]
[Round "2"]
[White "De Freitas, Isabella Ribeiro Co"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "1864"]
[BlackElo "2150"]
[PlyCount "92"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 d4 5. 0-0 c5 6. e3 Nc6 7. exd4 cxd4 8. d3 h6 9. Bf4 Bd6 10. Bxd6 Qxd6 11. a3 a5 12. Nbd2 0-0 13. Re1 e5 14. Rc1 Qc7 15. c5 Be6 16. Nc4 Bxc4 17. Rxc4 Rad8 18. Nd2 Rfe8 19. Qa4 g6 20. Rcc1 Nd7 21. Ne4 Rf8 22. Qc4 Kg7 23. Nd6 f5 24. f4 Nf6 25. Bxc6 Qxc6 26. Rxe5 Rd7 27. Qxd4 Kh7 28. Rce1 Ng8 29. Qf2 b6 30. d4 bxc5 31. dxc5 Rb8 32. R1e2 Qa4 33. Kg2 Rb3 34. Kg1 Nf6 35. Re7+ Rxe7 36. Rxe7+ Kg8 37. Qd2 Rb8 38. Re6 Kg7 39. Re7+ Kg8 40. Re3 h5 41. Qe2 Kh8 42. Nf7+ Kg8 43. Ne5 Kg7 44. c6 Qd4 45. Nf3 Qc5 46. Kf1 Ne4 1/2-1/2

[Event "Rio de Janeiro op 2nd"]
[Site "Rio de Janeiro"]
[Date "2023.05.02"]
[Round "1"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "De Oliveira, Joao Eudes"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2150"]
[BlackElo "1605"]
[PlyCount "49"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f3 e6 5. e4 dxe4 6. fxe4 Bg6 7. e5 h6 8. Bh4 Bh5 9. Bxf6 gxf6 10. Qxh5 Qxd4 11. exf6 Nd7 12. Rd1 Qxf6 13. Qb5 0-0-0 14. Nf3 Be7 15. Bd3 Bc5 16. Ne4 Qf4 17. Nxc5 Qe3+ 18. Kf1 Qxc5 19. Qxc5 Nxc5 20. g3 f6 21. Kg2 e5 22. Bf5+ Kb8 23. b3 Rd6 24. Rxd6 cxd6 25. c4 1-0

[Event "Pindamonhangaba op 7th"]
[Site "Pindamonhangaba"]
[Date "2023.03.26"]
[Round "5"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Seccafim, Caic Dos Santos"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2138"]
[BlackElo "1973"]
[PlyCount "104"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Bg5 c5 7. d5 e6 8. Qd2 Qa5 9. Nb5 Qb6 10. a4 exd5 11. cxd5 a6 12. a5 Qd8 13. Na3 h6 14. Be3 Kh7 15. Nc4 Qc7 16. Ne2 Nbd7 17. Nc3 b5 18. axb6 Nxb6 19. Na3 Bd7 20. Be2 Rfb8 21. Nab1 Qb7 22. 0-0 Bb5 23. Na3 Bxe2 24. Qxe2 Nbd7 25. Nc4 Ne8 26. Na5 Qb6 27. Nc6 Rb7 28. f4 Nb8 29. Na5 Re7 30. Nc4 Qb7 31. Qd3 Nd7 32. e5 Qb8 33. Ne4 dxe5 34. f5 Nef6 35. fxg6+ fxg6 36. Nxc5 e4 37. Qd2 Ng4 38. d6 Nxc5 39. Bxc5 Qc8 40. b4 Rb7 41. Nb6 Rxb6 42. Bxb6 Qe6 43. h3 e3 44. Qe2 Qxd6 45. Qxg4 Qxb6 46. Rfe1 Ra7 47. Qe4 Rd7 48. Kh1 Qb5 49. Qxe3 Qxb4 50. Qe2 Qb5 51. Rac1 Rd6 52. Qe3 Qa5 1-0

[Event "Pindamonhangaba op 7th"]
[Site "Pindamonhangaba"]
[Date "2023.03.26"]
[Round "4"]
[White "Languidey, Simon Alejandro"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2391"]
[BlackElo "2138"]
[PlyCount "52"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 g6 7. Nf3 Bg7 8. 0-0 0-0 9. Re1 Bf5 10. Bf1 Qc7 11. Nbd2 Rad8 12. Nb3 Ne4 13. Be3 f6 14. Nfd2 Nxd2 15. Qxd2 e5 16. Rad1 Be6 17. Nc5 Bf7 18. b4 Ne7 19. dxe5 fxe5 20. Bg5 Rde8 21. c4 dxc4 22. Qd7 Nd5 23. Bxc4 Qc6 24. Qxc6 bxc6 25. Nd7 Nxb4 26. Nxf8 Bxf8 1-0

[Event "Pindamonhangaba op 7th"]
[Site "Pindamonhangaba"]
[Date "2023.03.25"]
[Round "3"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Borger, David Lupovici"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2138"]
[BlackElo "1890"]
[PlyCount "61"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "5"]
[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 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 a6 6. Bxc6 Nxc6 7. d4 cxd4 8. Nxd4 d6 9. Nc3 Bd7 10. Nxc6 Bxc6 11. Qg4 Qf6 12. Nd5 Bxd5 13. exd5 e5 14. Qb4 Be7 15. Qxb7 0-0 16. c4 Rfb8 17. Qd7 h6 18. b3 Bd8 19. Be3 Bb6 20. Qg4 a5 21. Rab1 a4 22. Bxb6 Rxb6 23. b4 g6 24. c5 h5 25. Qe4 Rb5 26. Qc4 Rbb8 27. c6 Qe7 28. b5 Qa7 29. c7 Rc8 30. b6 Qb7 31. Qc6 1-0

[Event "Pindamonhangaba op 7th"]
[Site "Pindamonhangaba"]
[Date "2023.03.25"]
[Round "2"]
[White "Pironti, Francisco Ferrari"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1954"]
[BlackElo "2138"]
[PlyCount "68"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 d4 4. Bg2 c5 5. 0-0 Nc6 6. e3 Nf6 7. exd4 cxd4 8. d3 h6 9. Re1 Bd6 10. Nbd2 0-0 11. Ne4 Nxe4 12. Rxe4 e5 13. b4 Bf5 14. Re2 Nxb4 15. Nxe5 Bxe5 16. Rxe5 Qf6 17. Rb5 Nxd3 18. Qf3 Ne5 19. Qd5 a6 20. Ra5 b5 21. cxb5 Rad8 22. Rxa6 Be6 23. Qe4 d3 24. Bf4 Nf3+ 25. Bxf3 Qxa1+ 26. Kg2 d2 27. Rxe6 fxe6 28. Qxe6+ Kh8 29. Be5 Qxe5 30. Qxe5 Rxf3 31. Qe2 Rxf2+ 32. Kxf2 d1Q 33. Qxd1 Rxd1 34. a4 Ra1 0-1

[Event "Pindamonhangaba op 7th"]
[Site "Pindamonhangaba"]
[Date "2023.03.24"]
[Round "1"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Da Cunha, Gabriela Goes"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2138"]
[BlackElo "1759"]
[PlyCount "71"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 b6 7. cxd5 exd5 8. Nc3 Bb7 9. Ne5 Nbd7 10. Qa4 Nxe5 11. dxe5 Ne8 12. Nxd5 Bxd5 13. Rd1 c6 14. e4 b5 15. Qc2 Rc8 16. exd5 cxd5 17. Qd3 Nc7 18. Be3 Ne6 19. Bxd5 Nc5 20. Qe2 Qc7 21. f4 a6 22. Rac1 Qa5 23. f5 Nd7 24. f6 Rxc1 25. Rxc1 gxf6 26. Qg4+ Kh8 27. Qxd7 Bb4 28. Bxf7 Bd2 29. Qxd2 Qxd2 30. Bxd2 Rxf7 31. Bh6 Rg7 32. exf6 Rg8 33. f7 Rd8 34. Re1 a5 35. Re8+ Rxe8 36. fxe8Q# 1-0

[Event "Pocos de Caldas op"]
[Site "Pocos de Caldas"]
[Date "2023.03.18"]
[Round "3"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Barbosa, Flavio Novais"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "2138"]
[BlackElo "1844"]
[PlyCount "65"]
[EventDate "2023.03.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Nbd7 10. Rd1 Rc8 11. e4 Bg6 12. Bd3 Be7 13. Bf4 Qa5 14. d5 exd5 15. exd5 Qb4 16. Bxg6 hxg6 17. Rd4 Qc5 18. Rc4 Qxc4 19. Qxc4 cxd5 20. Qb5 Nc5 21. Bg5 a6 22. Qf1 Rfd8 23. Rd1 Re8 24. h3 Ne6 25. Bxf6 Bxf6 26. Nxd5 Bxb2 27. Rb1 Ba3 28. Qd3 Bf8 29. Qb3 Nc5 30. Qa2 Re4 31. Ng5 Rxa4 32. Nf6+ Kh8 33. Nxf7# 1-0

[Event "Pocos de Caldas op"]
[Site "Pocos de Caldas"]
[Date "2023.03.18"]
[Round "4"]
[White "Machado, Gilmar Dias"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1816"]
[BlackElo "2138"]
[PlyCount "48"]
[EventDate "2023.03.17"]
[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. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. Nxd4 Nxd4 10. Qxd4 Qxd4 11. cxd4 e6 12. Nc3 Bb4 13. 0-0 Bd7 14. d5 Bxc3 15. dxe6 Bxe6 16. bxc3 0-0 17. Bxe6 fxe6 18. Re1 Kf7 19. Be3 Nd5 20. Bd4 Rfc8 21. Rac1 Rc4 22. Red1 Rac8 23. Rd3 Nf4 24. Rd2 Rxd4 0-1

[Event "Pocos de Caldas op"]
[Site "Pocos de Caldas"]
[Date "2023.03.17"]
[Round "1"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Cezar, Ricardo de Almeida"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2138"]
[BlackElo "1765"]
[PlyCount "76"]
[EventDate "2023.03.17"]
[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 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd2 0-0 8. cxd5 Nxd5 9. Bd3 Nc6 10. 0-0 Be7 11. a3 Bf6 12. Be3 g6 13. Ne4 Bg7 14. Qd2 Nxe3 15. fxe3 e5 16. dxe5 Nxe5 17. Nxe5 Bxe5 18. Qe2 Qe7 19. Nf2 Be6 20. Be4 Rac8 21. Rac1 h5 22. Qb5 Rxc1 23. Rxc1 Bc8 24. Rc5 Re8 25. b4 b6 26. Rc2 Bb8 27. g3 Rd8 28. Kg2 h4 29. Bf3 Qxe3 30. Re2 Qd4 31. Re4 Qd2 32. Rxh4 Qb2 33. Re4 Be6 34. Re2 Qd4 35. Qg5 Bf5 36. Ne4 Bxe4 37. Rxe4 Qd2+ 38. Qxd2 Rxd2+ 1/2-1/2

[Event "Pocos de Caldas op"]
[Site "Pocos de Caldas"]
[Date "2023.03.17"]
[Round "2"]
[White "Pereira, Ezequias Morais"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1788"]
[BlackElo "2138"]
[PlyCount "32"]
[EventDate "2023.03.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. Qc2 d6 6. e4 e5 7. dxe5 dxe5 8. Nc3 Nbd7 9. Nd5 Bxd2+ 10. Nxd2 0-0 11. Rd1 c6 12. Nc3 Qb6 13. Be2 Nc5 14. 0-0 Ne6 15. Nf3 Re8 16. Rfe1 Qc5 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.29"]
[Round "10"]
[White "De Oliveira, Aquiles Machado"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2013"]
[BlackElo "2171"]
[PlyCount "73"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 e5 6. dxe5 Qxd1+ 7. Nxd1 Nc6 8. Nf3 Bg4 9. Ne3 Bxf3 10. gxf3 Bb4+ 11. Bd2 Bxd2+ 12. Kxd2 0-0-0+ 13. Kc3 Nxe5 14. Be2 Na4+ 15. Kb3 Nc5+ 16. Kc3 Na4+ 17. Kb3 Rd2 18. Rhe1 Nc5+ 19. Kc3 Rhd8 20. Nd5 Nxf3 21. Bxf3 Rd3+ 22. Kb4 Na6+ 23. Ka5 Rxf3 24. Rad1 c6 25. Ne7+ Kc7 26. Rxd8 Kxd8 27. Nxc6+ bxc6 28. Kxa6 Rxf2 29. Rb1 Rxh2 30. Kxa7 Rc2 31. Kb7 c5 32. a4 Rxc4 33. a5 Rb4+ 34. Kc6 c4 35. a6 Ra4 36. Kb7 Rb4+ 37. Kc6 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.28"]
[Round "9"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Araujo, Renan Aparecido"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2171"]
[BlackElo "2041"]
[PlyCount "33"]
[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 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 c5 7. Bb2 Nbd7 8. c4 Rb8 9. d5 a6 10. Qc2 b5 11. Nfd2 Nb6 12. Nc3 bxc4 13. bxc4 e5 14. e4 Bh6 15. f4 exf4 16. gxf4 Nh5 17. Ne2 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.28"]
[Round "8"]
[White "Da Silva, Luiz Matheus"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "1986"]
[BlackElo "2171"]
[PlyCount "100"]
[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 e6 2. d4 Nf6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. dxc5 Bxc5 8. Bg2 Na6 9. 0-0 Nb4 10. Qb1 Nc6 11. a3 Be7 12. Rd1 a6 13. Qd3 Na5 14. Nd2 Bxg2 15. Kxg2 Qc7 16. b4 Nc6 17. f4 0-0 18. e4 d6 19. Bb2 Rfd8 20. Rac1 Qb7 21. Nf1 Rab8 22. Ne3 Na7 23. Kg1 b5 24. cxb5 Nxb5 25. Nxb5 axb5 26. Bxf6 Bxf6 27. Rc2 Qa7 28. Kg2 h5 29. Rdc1 Ra8 30. Ra2 g6 31. Rc6 Rdc8 32. Rxc8+ Rxc8 33. Nc2 Rc3 34. Qxd6 Qb7 35. Qd2 Qxe4+ 36. Kh3 Qf5+ 37. Kg2 Rd3 38. Qe2 Qd5+ 39. Kh3 Rd2 40. Ne3 Rxe2 41. Nxd5 Rxa2 42. Nxf6+ Kg7 43. Ne8+ Kf8 44. Nd6 Rxa3 45. Nxb5 Rb3 46. Nd4 Rxb4 47. Nf3 Rb2 48. Ng5 Ke7 49. Ne4 f6 50. Nc3 Rc2 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.27"]
[Round "7"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Vieira, Jose Renato Braga S"]
[Result "1-0"]
[ECO "D66"]
[WhiteElo "2171"]
[BlackElo "1828"]
[PlyCount "89"]
[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 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 h6 7. Bh4 Be7 8. Rc1 0-0 9. Bd3 dxc4 10. Bxc4 b5 11. Bd3 a6 12. 0-0 c5 13. Bxf6 Nxf6 14. dxc5 Bxc5 15. Qe2 Be7 16. Rfd1 Qb6 17. e4 Bb7 18. e5 Nd5 19. Nxd5 Bxd5 20. Bb1 Rfd8 21. Be4 Bxe4 22. Qxe4 Rxd1+ 23. Rxd1 Rd8 24. Rc1 Bc5 25. Qe2 a5 26. Kf1 Rd5 27. Rc2 Qd8 28. Qxb5 Bb4 29. Qc4 Rxe5 30. Qc8 Rd5 31. Qxd8+ Rxd8 32. Ke2 Kf8 33. Ne5 Rd5 34. Rc8+ Ke7 35. Nc4 h5 36. Ra8 Rc5 37. b3 h4 38. f4 g5 39. Ra7+ Kf6 40. a3 Bc3 41. Nd6 Rc6 42. Ne4+ Kf5 43. Kd3 Bf6 44. Rxf7 e5 45. fxg5 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "5"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Moyses Sobrinho, Elias"]
[Result "1/2-1/2"]
[ECO "D93"]
[WhiteElo "2171"]
[BlackElo "1852"]
[PlyCount "25"]
[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 Nf6 2. d4 d5 3. c4 c6 4. Qc2 g6 5. Bf4 Bg7 6. e3 Qa5+ 7. Nc3 0-0 8. Rc1 Nbd7 9. Be2 dxc4 10. Bxc4 Nb6 11. Be2 a6 12. Be5 Bf5 13. Qd2 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "6"]
[White "Resende, Lucas B Massucato"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1824"]
[BlackElo "2171"]
[PlyCount "119"]
[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 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 e6 6. Nc3 Nxd5 7. Nxd5 exd5 8. Qxd5 Nc6 9. Nf3 Rb8 10. e4 Be7 11. Bc4 0-0 12. Bd2 Rxb6 13. 0-0 d6 14. h3 Be6 15. Qd3 Nb4 16. Qe2 Qd7 17. Rfd1 Bxc4 18. Qxc4 Qe6 19. Qxe6 fxe6 20. Bc3 Nc6 21. Rd2 e5 22. Ne1 Nd4 23. Nc2 Bg5 24. Ne3 Rb7 25. b4 cxb4 26. Rb2 bxc3 27. Rxb7 Bxe3 28. fxe3 Ne2+ 29. Kh2 c2 30. Rc7 c1Q 31. Raxc1 Nxc1 32. Rxc1 Rf2 33. a3 Ra2 34. Rc3 Kf7 35. Kg3 Kf6 36. Kf3 h5 37. Rd3 Ke6 38. h4 g6 39. Rb3 a5 40. Rd3 Kd7 41. Rc3 Rb2 42. Kg3 Rb5 43. Kf3 Rb2 44. Kg3 Rb5 45. Kf3 Rc5 46. Rb3 Kc7 47. g4 Rc4 48. gxh5 gxh5 49. Rb5 Ra4 50. Rb3 d5 51. exd5 Rxh4 52. Rb1 Ra4 53. Rb3 e4+ 54. Kf4 Kd6 55. Rb5 h4 56. Rb6+ Kxd5 57. Rh6 Kc4 58. Kxe4 Kb3+ 59. Kd5 Rg4 60. e4 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.25"]
[Round "4"]
[White "Cordero, Daniela"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2027"]
[BlackElo "2171"]
[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. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 a5 5. Qc2 d6 6. e4 e5 7. d5 0-0 8. h3 Na6 9. a3 Bxd2+ 10. Nbxd2 Nc5 11. b3 Nh5 12. Rb1 f5 13. Rb2 fxe4 14. Nxe4 Nxe4 15. Qxe4 Rf4 16. Qe3 Bf5 17. Be2 Bg6 18. 0-0 Re4 19. Qc3 Nf4 20. Bd1 Qf6 21. Rd2 Bf5 22. Ne1 Rd4 23. Kh2 b6 24. Nf3 Qg6 25. Rg1 Rxd2 26. Nxd2 Rf8 27. Qe3 Qh6 28. g4 Bd3 29. Rg3 g5 30. Bf3 Qh4 31. Bg2 Nxg2 32. Kxg2 Bg6 33. Nf3 Qh6 34. Nxg5 e4 35. Nxe4 Qg7 36. Ng5 Qb2 37. Rf3 Re8 38. Ne6 Qb1 39. Qh6 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "3"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Da Rosa, Henrique Jaze Simoe"]
[Result "1-0"]
[ECO "E57"]
[WhiteElo "2171"]
[BlackElo "1838"]
[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. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Bd6 7. c5 Bc7 8. Nb5 h6 9. Nxc7+ Qxc7 10. b4 0-0 11. Bd3 a6 12. 0-0 Nc6 13. Qb3 Rd8 14. Bb2 Nh5 15. Rfe1 Nf4 16. Bc2 b6 17. g3 Nh5 18. a4 Nf6 19. b5 Na5 20. Qc3 Nc4 21. c6 Nd6 22. Qd3 Re8 23. Ne5 Nfe4 24. f3 f6 25. fxe4 fxe5 26. dxe5 Nxe4 27. Rxe4 dxe4 28. Qxe4 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.23"]
[Round "1"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Caceres Benitez, Fernando Israel"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2171"]
[BlackElo "1574"]
[PlyCount "73"]
[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 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 c5 9. e4 Nd7 10. Bd3 Rc8 11. Qe2 Be7 12. 0-0 Nf6 13. Bb5+ Kf8 14. Bd3 h6 15. Bb2 cxd4 16. cxd4 g5 17. Rfd1 Nh5 18. g3 Bf6 19. Ne5 Ng7 20. Bb5 Rc7 21. d5 exd5 22. Nd7+ Rxd7 23. Bxf6 Qxf6 24. Bxd7 dxe4 25. Rac1 Ne6 26. Bxe6 Qxe6 27. Rd8+ Kg7 28. Qb2+ f6 29. Rc7+ Kg6 30. Rxh8 e3 31. Rg8+ Kf5 32. Qb5+ Bd5 33. Rd8 e2 34. Qxd5+ Qxd5 35. Rxd5+ Ke6 36. Rc1 Kxd5 37. Re1 1-0

[Event "BRA-ch 88th"]
[Site "Recife"]
[Date "2022.12.22"]
[Round "10"]
[White "Souza, Rafael Cabral de"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2078"]
[BlackElo "2196"]
[PlyCount "83"]
[EventDate "2022.12.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 Nb4 5. Na3 e6 6. Nh4 Be4 7. f3 Bg6 8. c3 Nc6 9. b4 Be7 10. Nxg6 hxg6 11. e4 Nf6 12. 0-0 a6 13. Bf4 Nh5 14. Be3 Nf6 15. Bf4 Nh5 16. Be3 Nf6 17. Nc2 Nd7 18. f4 dxe4 19. Bxe4 Nf6 20. Bg2 Nd5 21. Bd2 Qd7 22. a4 0-0 23. Qe2 f5 24. Ne1 Bf6 25. Nd3 b6 26. Kh1 Rad8 27. a5 Nb8 28. g4 fxg4 29. Qxg4 Ne7 30. Ne5 Bxe5 31. fxe5 bxa5 32. bxa5 Nbc6 33. Bg5 Rxf1+ 34. Rxf1 Rf8 35. Qe2 Nxa5 36. Bxe7 Qxe7 37. Qxa6 Rxf1+ 38. Bxf1 Qf7 39. Kg1 Nb3 40. Bc4 Qf4 41. Qxe6+ Kh7 42. Qh3+ 1-0

[Event "BRA-ch 88th"]
[Site "Recife"]
[Date "2022.12.21"]
[Round "9"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Lima, Darcy Gustavo Macha"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "2196"]
[BlackElo "2424"]
[PlyCount "111"]
[EventDate "2022.12.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Rc1 b6 12. Bd3 Bb7 13. 0-0 Nc6 14. Qe3 Rc8 15. Bb1 Qe7 16. e5 Nb4 17. Ng5 h6 18. Ne4 Bxe4 19. Qxe4 g6 20. h4 h5 21. Qf4 Kg7 22. g3 Nd5 23. Qf3 b5 24. Be4 Nb6 25. Rc5 Rxc5 26. dxc5 Nc4 27. Rd1 Rc8 28. c6 Nxe5 29. Qc3 Qf6 30. Qc5 Rc7 31. Qd6 Rc8 32. Kg2 Ng4 33. Rd2 Qe5 34. Qxe5+ Nxe5 35. Rd6 Kf8 36. f4 Nc4 37. Rd7 Na5 38. Rxa7 Nxc6 39. Rb7 Nd4 40. a4 bxa4 41. Rb4 Ne2 42. Rxa4 Rc3 43. Bf3 Nc1 44. Ra6 Rc2+ 45. Kg1 Nb3 46. Rc6 Rd2 47. Rc3 Nd4 48. Ra3 Ke7 49. Kf1 Kf6 50. Kg1 Nxf3+ 51. Rxf3 Kf5 52. Ra3 Kg4 53. Kf1 Kh3 54. Ra7 Kxg3 55. Rxf7 Rf2+ 56. Kg1 0-1

[Event "BRA-ch 88th"]
[Site "Recife"]
[Date "2022.12.20"]
[Round "8"]
[White "Segato, Pedro Henrique Pedr"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1944"]
[BlackElo "2196"]
[PlyCount "80"]
[EventDate "2022.12.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d5 3. Bb2 f6 4. c4 d4 5. e4 e5 6. d3 Nc6 7. Nbd2 Bd6 8. Be2 Nge7 9. Nf1 Be6 10. N3d2 Qd7 11. h3 Ng6 12. Bh5 0-0 13. Bxg6 hxg6 14. g4 g5 15. Ng3 g6 16. Qe2 Kg7 17. Kf1 Rh8 18. Kg2 a6 19. f3 Rh4 20. Rh2 Bc7 21. Nh1 Ba5 22. Rc1 Bf7 23. Nb1 Nd8 24. Rc2 Ne6 25. Bc1 b5 26. cxb5 axb5 27. Qd1 Bb6 28. Nf2 Ra6 29. Rh1 Nd8 30. Re1 Nc6 31. Ree2 Qa7 32. Bd2 Rh8 33. Qc1 Rxa2 34. Bxg5 Rxc2 35. Bxf6+ Kxf6 36. g5+ Kg7 37. Rxc2 Nb4 38. Rb2 Be6 39. Qd2 Qd7 40. Ng4 Bxg4 0-1

[Event "BRA-ch 88th"]
[Site "Recife"]
[Date "2022.12.19"]
[Round "7"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "De Lima, Alexsandro Barros"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2196"]
[BlackElo "2198"]
[PlyCount "27"]
[EventDate "2022.12.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. c3 cxd4 6. cxd4 d5 7. e3 0-0 8. Be2 Nc6 9. 0-0 Qb6 10. Qb3 Qxb3 11. Nxb3 Ne4 12. Bf4 f6 13. Bb5 g5 14. Bg3 1/2-1/2

[Event "BRA-ch 88th"]
[Site "Recife"]
[Date "2022.12.19"]
[Round "6"]
[White "Zanette, Edgard Vinicius"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2083"]
[BlackElo "2196"]
[PlyCount "25"]
[EventDate "2022.12.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 e5 6. Nge2 Bb4 7. a3 Bxc3+ 8. bxc3 0-0 9. Ng3 exd4 10. cxd4 Nc6 11. Be3 f5 12. Bd3 Qe8 13. Qe2 1/2-1/2

[Event "BRA-ch 88th"]
[Site "Recife"]
[Date "2022.12.18"]
[Round "5"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "De Lima, Eli Artur Karl"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2196"]
[BlackElo "1998"]
[PlyCount "65"]
[EventDate "2022.12.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 a6 2. e4 b5 3. Bd3 e6 4. Nf3 Nf6 5. a4 b4 6. 0-0 Be7 7. Qe2 0-0 8. e5 Nd5 9. Qe4 g6 10. h4 Ra7 11. Bh6 f5 12. exf6 Nxf6 13. Qe2 Re8 14. Ne5 d6 15. Nxg6 hxg6 16. Bxg6 Bf8 17. Bg5 Bg7 18. h5 c6 19. h6 Bh8 20. Qf3 Rf8 21. Qg3 Rff7 22. Bxf7+ Kxf7 23. Nd2 Rd7 24. Nc4 Qc7 25. Rfe1 Rd8 26. Re3 c5 27. Rf3 Ke7 28. Bxf6+ Bxf6 29. Qg6 Rf8 30. h7 Nd7 31. Rxf6 Nxf6 32. Qg7+ Rf7 33. h8Q 1-0

[Event "BRA-ch 88th"]
[Site "Recife"]
[Date "2022.12.17"]
[Round "3"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Viana, Daniel Fernandes"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2196"]
[BlackElo "1813"]
[PlyCount "53"]
[EventDate "2022.12.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 Be7 5. Nbd2 b6 6. Bd3 Bb7 7. c3 0-0 8. 0-0 h6 9. Bh4 cxd4 10. cxd4 Nc6 11. a3 d6 12. Qe2 Nh5 13. Bxe7 Qxe7 14. Ba6 Rac8 15. Rfc1 Nf6 16. e4 e5 17. Bxb7 Qxb7 18. d5 Ne7 19. Nc4 Qd7 20. Nfd2 Rc7 21. Ne3 Rfc8 22. Rxc7 Rxc7 23. g3 g6 24. a4 h5 25. h4 Ng4 26. a5 Nxe3 27. Qxe3 1-0

[Event "BRA-ch 88th"]
[Site "Recife"]
[Date "2022.12.17"]
[Round "4"]
[White "Lima, Artur Tin Lun Dai"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1883"]
[BlackElo "2196"]
[PlyCount "98"]
[EventDate "2022.12.15"]
[EventType "swiss"]
[EventRounds "11"]
[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 a6 3. c3 d5 4. exd5 Nf6 5. d4 cxd4 6. cxd4 Nxd5 7. Nc3 Nc6 8. Be2 e6 9. 0-0 Be7 10. Re1 0-0 11. Ne5 Nxc3 12. bxc3 Nxe5 13. dxe5 Qc7 14. Bf3 Qxc3 15. Rb1 Rd8 16. Qe2 Qc7 17. Bf4 Rb8 18. Rec1 Qa5 19. Qe3 b6 20. Rc7 Bd7 21. Bg5 Bxg5 22. Qxg5 f6 23. Qe3 Qxe5 24. Qxe5 fxe5 25. Re1 Bb5 26. Rxe5 Rbc8 27. Rxc8 Rxc8 28. g4 Kf7 29. Be2 Bxe2 30. Rxe2 Rc3 31. Kg2 g5 32. f3 b5 33. h3 b4 34. Rb2 a5 35. Re2 Kf6 36. Kf2 a4 37. Kg3 b3 38. axb3 Rxb3 39. Re4 a3 40. Ra4 h6 41. Ra5 Ke7 42. Ra6 Rc3 43. Kg2 Rc2+ 44. Kg3 a2 45. f4 Rc3+ 46. Kg2 gxf4 47. Rxa2 Kf6 48. Ra5 e5 49. Ra8 Ke6 0-1

[Event "BRA-ch 88th"]
[Site "Recife"]
[Date "2022.12.16"]
[Round "2"]
[White "Da Silva, Erick Feitosa"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "1892"]
[BlackElo "2196"]
[PlyCount "109"]
[EventDate "2022.12.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 g6 5. Be2 Bg7 6. 0-0 0-0 7. d4 Bg4 8. Qb3 Qb6 9. h3 Bxf3 10. Bxf3 e6 11. Qa4 dxc4 12. Qxc4 Nbd7 13. b4 Nd5 14. Na4 Qd8 15. b5 Rc8 16. Ba3 Re8 17. Rac1 Qa5 18. Be2 Bf8 19. Bxf8 Rxf8 20. bxc6 Rxc6 21. Qb5 Qd2 22. Rxc6 bxc6 23. Qxc6 Qxe2 24. Qxd7 Qxa2 25. e4 Nf6 26. Qxa7 Nxe4 27. Qd7 Nf6 28. Qb5 Rd8 29. Qb6 Qd5 30. Rd1 Ne4 31. Qb4 Qc6 32. Qb6 Qd5 33. Qb4 Rc8 34. Nb6 Qh5 35. Re1 Nxf2 36. Nxc8 Nd3 37. Qd2 Nxe1 38. Qxe1 Qg5 39. Nd6 Qf4 40. Qe5 Qd2 41. Ne4 Qc1+ 42. Kh2 h5 43. Nf6+ Kf8 44. Nh7+ Kg8 45. Nf6+ Kf8 46. Qd6+ Kg7 47. Ne8+ Kg8 48. Qe5 Kf8 49. Nf6 Qd2 50. Ne4 Qc1 51. Qh8+ Ke7 52. Qf6+ Kf8 53. Ng5 Qc7+ 54. Qe5 Qb7 55. Nxe6+ 1-0

[Event "BRA-ch 88th"]
[Site "Recife"]
[Date "2022.12.15"]
[Round "1"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Canonico, Rodrigo"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2196"]
[BlackElo "1695"]
[PlyCount "35"]
[EventDate "2022.12.15"]
[EventType "swiss"]
[EventRounds "11"]
[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 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Be7 10. f3 Ng5 11. f4 Ne6 12. f5 Nxd4 13. Qxd4 Bg5 14. e6 fxe6 15. fxe6 Bxe6 16. Qe4 Bxc1 17. Qxe6+ Qe7 18. Qxc6+ 1-0

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.14"]
[Round "9"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Meza, Anahi Silvina"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2196"]
[BlackElo "1965"]
[PlyCount "50"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. c3 d6 6. e4 c5 7. dxc5 dxc5 8. Bc4 Qc7 9. 0-0 Nc6 10. Re1 Nh5 11. Qc2 Nf4 12. Bh4 Nh5 13. Rad1 h6 14. Bd5 g5 15. Bg3 Nxg3 16. hxg3 Bg4 17. Bxc6 Qxc6 18. Nc4 Rad8 19. Ne3 Bxf3 20. gxf3 e6 21. Qb3 b5 22. Qc2 c4 23. Rd2 Qc7 24. Red1 Bf6 25. g4 Bg7 1-0

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.13"]
[Round "8"]
[White "Brizzi, Milagros Tatiana"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2028"]
[BlackElo "2196"]
[PlyCount "41"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. b4 Be7 7. Qg4 g6 8. Qg3 a5 9. b5 Nd7 10. Nf3 Nc5 11. Bd3 Nxd3+ 12. cxd3 h5 13. h4 a4 14. 0-0 Bd7 15. Nc3 Rc8 16. Bd2 Nh6 17. Qf4 Nf5 18. g3 Qb6 19. Rfb1 d4 20. Nxa4 Qa7 21. Nb2 1/2-1/2

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.12"]
[Round "7"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "2196"]
[BlackElo "2322"]
[PlyCount "40"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 Bg4 4. Qb3 Qc8 5. h3 Bh5 6. g4 Bg6 7. Bg2 e6 8. Nc3 Be7 9. Nh4 c6 10. Nxg6 hxg6 11. e4 e5 12. Be3 exd4 13. Bxd4 g5 14. 0-0-0 Nbd7 15. Be3 Nh7 16. f4 gxf4 17. Bxf4 Qc7 18. Kb1 Nhf8 19. Ne2 Nh7 20. Nc3 Ne5 1/2-1/2

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.11"]
[Round "6"]
[White "Nejanky, Maisa"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1929"]
[BlackElo "2196"]
[PlyCount "39"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. exf5 Bxf5 12. c3 Bg7 13. Nc2 0-0 14. Nce3 Bg6 15. Bd3 f5 16. Qd2 e4 17. Bc2 Ne7 18. Rd1 Bf6 19. f4 exf3 20. 0-0 0-1

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.10"]
[Round "5"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "De Souza, Vinicius Alcantara"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2196"]
[BlackElo "1852"]
[PlyCount "65"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 dxc4 8. Bxf6 Nxf6 9. Nxc4 Qc7 10. g3 b6 11. Bg2 Bb7 12. 0-0 Be7 13. a3 0-0 14. b4 c5 15. Bxb7 Qxb7 16. dxc5 bxc5 17. b5 Nd5 18. Na5 Qb6 19. Nxd5 exd5 20. Nc6 Bf6 21. Rb1 a6 22. a4 axb5 23. axb5 d4 24. e4 Rfe8 25. Qd3 Ra4 26. e5 Bd8 27. Qb3 Ra8 28. Qd5 Rc8 29. Qd7 Bc7 30. Ne7+ Rxe7 31. Qxc8+ Bd8 32. Rfc1 Rxe5 33. Re1 1-0

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.10"]
[Round "4"]
[White "Cordero, Daniela"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1967"]
[BlackElo "2196"]
[PlyCount "77"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qc2 g6 5. Bf4 Bg7 6. e3 0-0 7. Bd3 c5 8. 0-0 Nc6 9. a3 cxd4 10. Nxd4 Nxd4 11. exd4 dxc4 12. Qxc4 Be6 13. Qa4 Qb6 14. Nc3 Qxb2 15. Nb5 a6 16. Nc7 Nd5 17. Nxa8 Nxf4 18. Rab1 Qc3 19. Be4 Rxa8 20. Bxb7 Rf8 21. d5 Nxd5 22. Rfc1 Qf6 23. Qxa6 Nf4 24. Bf3 Qg5 25. Rd1 Bf5 26. Rb5 e5 27. Rc5 h5 28. Qc4 Kh7 29. a4 Be6 30. Qb5 Bg4 31. Qb3 Ne6 32. Rcd5 Nf4 33. Rb5 f5 34. Rd7 e4 35. Rbb7 Rg8 36. Bxg4 Qxg4 37. g3 Kh6 38. Qxg8 Bf6 39. Rh7+ 1-0

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.09"]
[Round "3"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Lima, Darcy Gustavo Macha"]
[Result "0-1"]
[ECO "E02"]
[WhiteElo "2196"]
[BlackElo "2424"]
[PlyCount "78"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Bg2 Nbd7 6. Qa4 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. 0-0 c5 11. Bf4 Rc8 12. dxc5 Bxc5 13. Ne5 Bxg2 14. Kxg2 Nxe5 15. Qxd8+ Kxd8 16. Bxe5 Ke7 17. Rac1 Bd6 18. Bxd6+ Kxd6 19. Kf3 Ke5 20. e3 g5 21. h3 h5 22. Ke2 g4 23. h4 Rc4 24. Nb1 Rhc8 25. Rxc4 Rxc4 26. Kd3 Ne4 27. Nc3 Nxc3 28. bxc3 Ra4 29. f4+ gxf3 30. Rxf3 f5 31. Rf2 Ra3 32. Rb2 Kd5 33. Rd2 Kc5 34. e4 fxe4+ 35. Kxe4 Rxc3 36. Kf4 e5+ 37. Ke4 Rxg3 38. Rd5+ Kc4 39. Rxe5 Rg4+ 0-1

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.08"]
[Round "2"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Felizes, Paulo Alberto"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2196"]
[BlackElo "1916"]
[PlyCount "59"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Bg4 4. Qb3 Qc8 5. h3 Bxf3 6. Qxf3 e5 7. d5 e4 8. Qe3 c6 9. Nc3 cxd5 10. cxd5 Qf5 11. g4 Qe5 12. g5 Nxd5 13. Nxd5 Qxd5 14. Bg2 Qe6 15. Bxe4 Nc6 16. Bd2 Be7 17. Qd3 Ne5 18. Qb5+ Qd7 19. Qxb7 Qxb7 20. Bxb7 Rb8 21. Bd5 Rb5 22. Bb3 Nd7 23. f4 h6 24. Rc1 hxg5 25. Rc7 Ne5 26. Bd5 Rxb2 27. Bc6+ Kd8 28. Rxa7 Rxd2 29. Kxd2 Rh4 30. Rb1 1-0

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.07"]
[Round "1"]
[White "De Almeida, Roberto A Ferreira"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1713"]
[BlackElo "2196"]
[PlyCount "108"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. e3 e5 4. d4 e4 5. d5 exf3 6. dxc6 bxc6 7. e4 Nf6 8. Qxf3 d5 9. exd5 cxd5 10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. 0-0 Be7 13. c4 0-0 14. cxd5 Qxd5 15. Qxd5 Nxd5 16. Nd2 Rab8 17. Nc4 Bf6 18. Rd1 Bd4 19. Na5 Rfc8 20. Nb3 Rb4 21. Rd3 Rc4 22. Rb1 Nb4 23. Rd1 Nxa2 24. Nxd4 cxd4 25. Bf4 Rb4 26. Bd6 Rb7 27. Rxd4 Re8 28. Ra4 Nc3 29. Raa1 Nxb1 30. Rxb1 a5 31. Ba3 f6 32. Rc1 Re6 33. Rc8+ Kf7 34. Kg2 Rd7 35. Rc2 g5 36. h3 h5 37. g4 hxg4 38. hxg4 Re4 39. Kg3 Rd3+ 40. f3 Ree3 41. Rf2 Rb3 42. Bc5 Red3 43. Ba3 Kg6 44. Kg2 a4 45. Kg3 f5 46. gxf5+ Kxf5 47. Kg2 Kf4 48. Bf8 Rxf3 49. Rxf3+ Rxf3 50. Bg7 Kg4 51. Be5 Re3 52. Bd4 Rd3 53. Be5 Rd2+ 54. Kf1 Kf3 0-1

[Event "Vicente Lopez ProAm 100 Years op"]
[Site "Buenos Aires"]
[Date "2022.10.18"]
[Round "9"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Meza Astrada, Agustin"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2197"]
[BlackElo "1843"]
[PlyCount "59"]
[EventDate "2022.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 c5 8. Qc2 Nbd7 9. Nge2 Re8 10. 0-0 Nf8 11. f3 h6 12. Bh4 Ne6 13. Rad1 b6 14. Kh1 Bb7 15. Bf5 Nf8 16. e4 dxe4 17. fxe4 g6 18. Bxf6 Bxf6 19. Bh3 Nh7 20. e5 Bg7 21. Nf4 Ng5 22. e6 f5 23. Nxg6 Nxh3 24. Qxf5 Ng5 25. h4 Nxe6 26. Qf7+ Kh7 27. Ne4 Rf8 28. Nxf8+ Nxf8 29. Nf6+ Kh8 30. Qg8# 1-0

[Event "Vicente Lopez ProAm 100 Years op"]
[Site "Buenos Aires"]
[Date "2022.10.17"]
[Round "8"]
[White "Pereyra, Horacio"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2135"]
[BlackElo "2197"]
[PlyCount "60"]
[EventDate "2022.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Bf5 3. Bf4 e6 4. e3 Bb4 5. Bd3 Ne7 6. Nge2 0-0 7. 0-0 a6 8. e4 Bg6 9. a3 Bxc3 10. Nxc3 Nbc6 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Bxg6 hxg6 14. c3 Rac8 15. Re1 Rfd8 16. Qg4 Qf5 17. Qg3 Rd7 18. Re2 f6 19. Rae1 g5 20. Bd2 e5 21. dxe5 Nxe5 22. h4 Nd3 23. Rf1 gxh4 24. Qxh4 Rcd8 25. Be3 Ne5 26. Rfe1 Nd3 27. Rf1 Ne5 28. Rfe1 Nd3 29. Rf1 Ne5 30. Rfe1 Nd3 1/2-1/2

[Event "Vicente Lopez ProAm 100 Years op"]
[Site "Buenos Aires"]
[Date "2022.10.16"]
[Round "7"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Jimenez, Jorge"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2197"]
[BlackElo "1965"]
[PlyCount "71"]
[EventDate "2022.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Be2 Nbd7 7. 0-0 h6 8. Bh4 c5 9. c3 b6 10. b4 Bb7 11. Qa4 g5 12. Bg3 Ne4 13. Nxe4 dxe4 14. Nd2 e5 15. Nc4 cxd4 16. cxd4 exd4 17. exd4 f5 18. Be5 Bd5 19. Ne3 Nxe5 20. dxe5 Be6 21. Rad1 Qe8 22. Bb5 Qf7 23. Rd6 Kh8 24. Bd7 Bxd7 25. Rxd7 Qe8 26. Rfd1 Bxe5 27. Qc6 Bg7 28. Qb7 Qe5 29. h3 Rab8 30. Qxa7 Ra8 31. Qxb6 Rxa2 32. Nc4 Qf4 33. g3 Qf3 34. Ne5 Rf6 35. Qd8+ Rf8 36. Nxf3 1-0

[Event "Vicente Lopez ProAm 100 Years op"]
[Site "Buenos Aires"]
[Date "2022.10.16"]
[Round "6"]
[White "Salinas Herrera, Pablo Patricio"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2516"]
[BlackElo "2197"]
[PlyCount "59"]
[EventDate "2022.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. 0-0 Nf6 7. Re1 0-0 8. a4 Bg4 9. Nbd2 Nd7 10. h3 Bxf3 11. Nxf3 Qc7 12. Qe2 e5 13. h4 Rfe8 14. Be3 b6 15. a5 Nf8 16. h5 Ne6 17. g3 Nd4 18. Bxd4 cxd4 19. Kg2 b5 20. Rh1 c5 21. Rh3 c4 22. Rah1 cxd3 23. cxd3 Qe7 24. hxg6 hxg6 25. Qd2 Rac8 26. Rh7 Qf6 27. Nh2 g5 28. Ng4 Qg6 29. R7h6 Bxh6 30. Nxh6+ 1-0

[Event "Vicente Lopez ProAm 100 Years op"]
[Site "Buenos Aires"]
[Date "2022.10.15"]
[Round "5"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "Villca, Julian"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "2197"]
[BlackElo "2363"]
[PlyCount "72"]
[EventDate "2022.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 a6 7. cxd5 exd5 8. Bd3 0-0 9. Nf3 c6 10. Qc2 Be6 11. Ne5 c5 12. 0-0 cxd4 13. exd4 Nbd7 14. Rad1 Rc8 15. Qe2 Re8 16. Bb1 Nf8 17. f4 Qd6 18. Kh1 Bd7 19. Qf3 Bc6 20. Rfe1 N6d7 21. Bg3 Bf6 22. Re2 Re7 23. Rde1 Rce8 24. a3 Nb6 25. Qh5 Qd8 26. Bd3 Nc4 27. Nxc4 dxc4 28. Bxc4 g6 29. Qxh6 Qxd4 30. Rxe7 Rxe7 31. Be2 Qd2 32. Rd1 Qxb2 33. f5 Qxc3 34. fxg6 Bxg2+ 35. Kxg2 Rxe2+ 36. Kh3 Qc8+ 0-1

[Event "Vicente Lopez ProAm 100 Years op"]
[Site "Buenos Aires"]
[Date "2022.10.14"]
[Round "4"]
[White "Fuentes, Agustin"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "1854"]
[BlackElo "2197"]
[PlyCount "70"]
[EventDate "2022.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. f4 d6 6. Nf3 exf4 7. Bxf4 0-0 8. Qd2 Be6 9. Bxe6 fxe6 10. Be3 Bb4 11. a3 Ba5 12. b4 Bb6 13. 0-0 Qd7 14. Ne2 Ng4 15. Bxb6 axb6 16. Qg5 Nge5 17. Nxe5 Nxe5 18. Ng3 Rxf1+ 19. Kxf1 Qc6 20. Qd2 b5 21. h3 Qb6 22. Ke2 h6 23. Nh5 Qc6 24. Nf4 Qe8 25. Qe3 g5 26. Qg3 Kh7 27. Rf1 gxf4 28. Rxf4 Qh5+ 29. Kd2 Qg5 30. Qxg5 hxg5 31. Rf6 Kg7 32. Rxe6 Ng6 33. d4 Kf7 34. d5 Rh8 35. e5 dxe5 0-1

[Event "Vicente Lopez ProAm 100 Years op"]
[Site "Buenos Aires"]
[Date "2022.10.13"]
[Round "3"]
[White "Battan, Adrian"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "B57"]
[WhiteElo "1947"]
[BlackElo "2197"]
[PlyCount "56"]
[EventDate "2022.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nxc6 bxc6 8. Qe2 e5 9. f3 Be7 10. Bb3 Ba6 11. Qe3 Qc7 12. Bd2 0-0 13. g4 Rad8 14. Qf2 Nd7 15. Be3 Nb6 16. Rg1 d5 17. Bxb6 axb6 18. Rg2 d4 19. Nb1 Bg5 20. Nd2 c5 21. Bd5 c4 22. c3 Bb7 23. Bxb7 dxc3 24. Bd5 Bxd2+ 25. Kf1 cxb2 26. Rd1 c3 27. Qh4 c2 28. Rgxd2 b1Q 0-1

