[Event "Jundiai op 4th"]
[Site "Jundiai"]
[Date "2023.07.23"]
[Round "5"]
[White "Piffer, Uriel Engel"]
[Black "Bosniac, Roberto"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1800"]
[BlackElo "1436"]
[PlyCount "122"]
[EventDate "2023.07.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 d6 7. h3 Be7 8. c3 Be6 9. Bc2 0-0 10. d4 exd4 11. cxd4 Nb4 12. Nc3 Nxc2 13. Qxc2 Rc8 14. Ng5 h6 15. Nxe6 fxe6 16. Qb3 Qd7 17. Be3 c6 18. e5 Nd5 19. Nxd5 exd5 20. a4 dxe5 21. axb5 exd4 22. bxc6 Rxc6 23. Bxd4 Bf6 24. Be3 Kh8 25. Rfd1 d4 26. Qb4 Rd8 27. Rd3 Rd6 28. Bf4 Rd5 29. Rxa6 Qf5 30. Rf3 Qb1+ 31. Kh2 d3 32. Bxh6 Be5+ 33. g3 d2 34. Bxd2 Rxd2 35. Qh4+ Kg8 36. Qe7 Rd1 37. Qf7+ Kh7 38. Qf5+ Qxf5 39. Rxf5 Bxb2 40. g4 Rf1 41. g5 Rdd1 42. g6+ Kh6 43. Kg3 Rg1+ 44. Kf4 Rxg6 45. Ra8 Kh7 46. Rh5+ Rh6 47. Rxh6+ Kxh6 48. Ra6+ g6 49. f3 Bc1+ 50. Kg3 Kh5 51. Ra5+ g5 52. h4 Bf4+ 53. Kh3 Rh1+ 54. Kg2 Rxh4 55. Ra4 Rh2+ 56. Kg1 Rb2 57. Ra8 Kh4 58. Ra3 Kg3 59. Kf1 Rf2+ 60. Kg1 Rxf3 61. Ra4 Be3+ 0-1

[Event "Jundiai op 4th"]
[Site "Jundiai"]
[Date "2023.07.23"]
[Round "4"]
[White "Torres, Joao Pedro Silva"]
[Black "Piffer, Uriel Engel"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1803"]
[BlackElo "1800"]
[PlyCount "68"]
[EventDate "2023.07.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Qb6 5. Qc1 Bf5 6. Nbd2 e6 7. Be2 Nc6 8. c3 cxd4 9. Nxd4 Nxd4 10. exd4 Be7 11. 0-0 Rc8 12. Nf3 Ne4 13. a4 a5 14. Bb5+ Kf8 15. Ne5 Kg8 16. Bd7 Rc7 17. Be8 Nd6 18. Nd7 Qb3 19. Ra3 Qc4 20. Bxd6 Bxd6 21. Bxf7+ Kxf7 22. Ne5+ Bxe5 23. dxe5 Rhc8 24. Rd1 Qe4 25. f3 Qxe5 26. Re1 Qd6 27. Qg5 d4 28. g4 h6 29. Qh5+ Bg6 30. Qxa5 dxc3 31. Rxc3 Rxc3 32. bxc3 Qc5+ 33. Qxc5 Rxc5 34. Rb1 Bxb1 0-1

[Event "Jundiai op 4th"]
[Site "Jundiai"]
[Date "2023.07.22"]
[Round "3"]
[White "Piffer, Uriel Engel"]
[Black "Ruvieri, Daniel Minami"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1800"]
[BlackElo "1313"]
[PlyCount "59"]
[EventDate "2023.07.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Be7 7. exd6 Qxd6 8. Nc3 Nc6 9. 0-0-0 Qxd5 10. Nxd5 Bxg5+ 11. Nxg5 Kd7 12. Nb6+ Ke7 13. Nxa8 Bg4 14. f3 Bxf3 15. Nxf3 Rxa8 16. Bc4 Na5 17. Rhe1+ Kf8 18. Bxf7 Kxf7 19. Ne5+ Kf6 20. b4 b6 21. bxc5 bxc5 22. Nd7+ Kf7 23. Nxc5 Nc4 24. h4 h5 25. Rd7+ Kg6 26. Re6+ Kh7 27. Ree7 Rf8 28. Rxg7+ Kh6 29. Rh7+ Kg6 30. Rdg7+ 1-0

[Event "Jundiai op 4th"]
[Site "Jundiai"]
[Date "2023.07.22"]
[Round "2"]
[White "Ricci, Lucas Estremes"]
[Black "Piffer, Uriel Engel"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "1541"]
[BlackElo "1800"]
[PlyCount "85"]
[EventDate "2023.07.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nc6 7. 0-0 e5 8. d5 Ne7 9. e4 Nh5 10. Nh4 f5 11. exf5 Nxf5 12. Nxf5 Bxf5 13. g4 Qh4 14. gxh5 Bg4 15. Qd3 Bf5 16. Qg3 Qxh5 17. Bf3 Qh3 18. Qxh3 Bxh3 19. Bg2 Bd7 20. Ne4 h6 21. Bd2 Bf5 22. Rae1 Rf7 23. b4 Raf8 24. c5 dxc5 25. bxc5 g5 26. Rb1 c6 27. d6 Be6 28. Be3 Bxa2 29. Ra1 Bc4 30. Rfc1 Ba6 31. Bf1 Bxf1 32. Kxf1 a6 33. Rc2 Rf3 34. Kg2 g4 35. Rb1 R8f5 36. Rxb7 Rh5 37. d7 Rfh3 38. d8Q+ Kh7 39. Rxg7+ Kxg7 40. Qc7+ Kh8 41. Nf6 Rxh2+ 42. Kf1 Rh1+ 43. Ke2 1-0

[Event "Jundiai op 4th"]
[Site "Jundiai"]
[Date "2023.07.21"]
[Round "1"]
[White "Piffer, Uriel Engel"]
[Black "Carneiro, Ruan Souza"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "1800"]
[BlackElo "1506"]
[PlyCount "42"]
[EventDate "2023.07.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Nxc6 dxc6 8. Ba4 Be6 9. c3 0-0 10. d4 Bd5 11. Nd2 Bh4 12. Nf3 Ne4 13. g3 Qf6 14. c4 Nc3 15. bxc3 Bxf3 16. Qd3 Rae8 17. Be3 Be4 18. Qd2 Qf3 19. Kf1 Bf5 20. Bxc6 Bh3+ 21. Kg1 bxc6 0-1

