[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "6"]
[White "Americano, Lucca Casarini"]
[Black "Ferreira, Matheus Cesar Da Si"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "1804"]
[PlyCount "102"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 c6 7. Be2 d5 8. Nc3 Be6 9. 0-0 dxe4 10. Qxd8+ Rxd8 11. Nxe4 Nf5 12. Bg5 Be7 13. Bxe7 Kxe7 14. Rad1 Bd5 15. Nc3 Be6 16. a3 Rd7 17. Rxd7+ Bxd7 18. Rd1 Rd8 19. Ne4 Be6 20. Rxd8 Kxd8 21. Nc5 Bc8 22. Bg4 Kc7 23. Bxf5 Bxf5 24. c3 b5 25. Kf1 Kb6 26. b4 a5 27. Ke2 axb4 28. cxb4 Kc7 29. Ke3 Kd6 30. Kd4 h5 31. h4 f6 32. f4 Kc7 33. g3 Kd6 34. Nb3 Be6 35. Nc5 Bd5 36. Ke3 Ke7 37. Ne4 Bxe4 38. Kxe4 Ke6 39. Kd4 g5 40. hxg5 fxg5 41. fxg5 Kf5 42. g6 Kxg6 43. Kc5 Kg5 44. Kxc6 Kg4 45. Kxb5 Kxg3 46. Kc5 h4 47. b5 h3 48. b6 h2 49. b7 h1Q 50. b8Q+ Kf2 51. Qf4+ Ke2 1/2-1/2

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "2022.04.23"]
[Round "4"]
[White "De Lima Jr, Nelson Luiz"]
[Black "Ferreira, Matheus Cesar Da Si"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1800"]
[PlyCount "50"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Bc4 d5 4. Bb3 Bg7 5. c3 Nc6 6. a3 0-0 7. h3 e5 8. dxe5 Nxe5 9. Qxd5 Nxd5 10. Ne2 Nd3+ 11. Kf1 Nxc1 12. Bc4 Nxe2 13. Bxe2 f5 14. b3 Nxc3 15. Bc4+ Kh8 16. b4 Nxb1 17. Rxb1 Bb2 18. a4 f4 19. Ke2 Bc3 20. Rhd1 Qf6 21. f3 fxe3 22. Rd3 Bxh3 23. Rh1 Bxg2 24. Rf1 Bxf1+ 25. Kxf1 Qxf3+ 0-1

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "2022.04.23"]
[Round "5"]
[White "Ferreira, Matheus Cesar Da Si"]
[Black "Miranda Pereira, Emmanuel"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "1548"]
[PlyCount "66"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. e3 0-0 5. d3 Nc6 6. Nc3 Re8 7. Nge2 Bb4 8. 0-0 d6 9. a3 Bxc3 10. Nxc3 a5 11. d4 h6 12. Rb1 Bf5 13. Ra1 Qc8 14. Re1 exd4 15. Bxc6 bxc6 16. exd4 Rxe1+ 17. Qxe1 Bh3 18. Ne4 Nxe4 19. Qxe4 Qd7 20. Bd2 Re8 21. Qd3 Bf5 22. Qc3 Re2 23. Re1 Qe6 24. b4 Bh3 25. Rxe2 Qxe2 26. Qc1 Qf3 27. Qf1 Bxf1 28. Kxf1 Qd1+ 29. Be1 axb4 30. axb4 c5 31. dxc5 dxc5 32. bxc5 Qd3+ 33. Kg2 Qxc4 0-1

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "3"]
[White "Ferreira, Matheus Cesar Da Si"]
[Black "De Carvalho, Amauri"]
[Result "1/2-1/2"]
[ECO "B08"]
[BlackElo "1201"]
[PlyCount "57"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 g6 3. d4 Bg7 4. Bc4 Nf6 5. Nc3 c6 6. a3 0-0 7. 0-0 Bg4 8. h3 Bxf3 9. Qxf3 e5 10. dxe5 dxe5 11. Rd1 Qc7 12. b4 a6 13. Bb2 Nbd7 14. Rd2 Rad8 15. Nd1 Nb6 16. Rxd8 Rxd8 17. Ne3 Nxc4 18. Nxc4 Ne8 19. Qc3 Rd4 20. Re1 f6 21. Na5 Nd6 22. Qe3 Rxe4 23. Qb3+ Kh8 24. Rxe4 Nxe4 25. Qd3 Nd6 26. c4 Bf8 27. f4 Nf7 28. fxe5 Nxe5 29. Bxe5 1/2-1/2

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "2022.04.21"]
[Round "1"]
[White "Ferreira, Matheus Cesar Da Si"]
[Black "Costa, Harry Andriolo"]
[Result "0-1"]
[ECO "A39"]
[BlackElo "1847"]
[PlyCount "72"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c5 6. 0-0 Nc6 7. d4 cxd4 8. Nxd4 a6 9. Rb1 e6 10. Bg5 h6 11. Bxf6 Bxf6 12. e3 Qc7 13. b4 Nxd4 14. exd4 Qxc4 15. Na4 Qxd4 16. Qxd4 Bxd4 17. Rbc1 d5 18. Rfd1 Ba7 19. Nc5 Bxc5 20. Rxc5 Bd7 21. Rdc1 Rfc8 22. Rc7 Rxc7 23. Rxc7 Bc6 24. Bf3 Kf8 25. Kf1 a5 26. b5 Bxb5+ 27. Be2 Bc6 28. f4 h5 29. h4 a4 30. a3 Ra5 31. Kf2 Rc5 32. Rc8+ Ke7 33. Rc7+ Kf6 34. g4 hxg4 35. Bxg4 Rc2+ 36. Ke1 Rc4 0-1

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "2022.04.21"]
[Round "2"]
[White "Marocco, Gabriel Leao Quadro"]
[Black "Ferreira, Matheus Cesar Da Si"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1443"]
[PlyCount "115"]
[EventDate "2022.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 a6 5. d3 Nf6 6. Nbd2 0-0 7. 0-0 d5 8. Bb3 Be6 9. h3 h6 10. Re1 Qd7 11. Nf1 d4 12. cxd4 Nxd4 13. Nxe5 Qd6 14. Bxe6 Qxe6 15. Nf3 Qb6 16. Ne3 Nxf3+ 17. Qxf3 Bb4 18. Rd1 Rad8 19. a3 Bc5 20. Nc4 Bxf2+ 21. Qxf2 Qxf2+ 22. Kxf2 Nxe4+ 23. Kg1 b5 24. Ne3 Nc5 25. Bd2 Rfe8 26. Ng4 Nb3 27. Rab1 Rxd3 28. Bc3 Red8 29. Rxd3 Rxd3 30. Re1 c5 31. Ne5 Rd8 32. Nc6 Rd6 33. Na5 Nxa5 34. Bxa5 g5 35. Kf2 Rd4 36. Bc3 Rf4+ 37. Ke3 f5 38. g3 Re4+ 39. Kf3 Rxe1 40. Bxe1 Kf7 41. Bf2 c4 42. h4 Kg6 43. g4 fxg4+ 44. Kxg4 a5 45. hxg5 hxg5 46. Be1 a4 47. Bc3 Kh6 48. Bd2 Kg6 49. Bxg5 Kf7 50. Kf5 Ke8 51. Ke4 Kd7 52. Bd2 Kc6 53. Kd4 Kd6 54. Be1 Kc6 55. Bb4 Kb6 56. Kd5 Kb7 57. Kc5 Ka6 58. Kc6 1-0

