[Event "Pirai do Sul op 25th"]
[Site "Chess.com INT"]
[Date "2020.12.28"]
[Round "11"]
[White "Fonseca, Jeferson dos Santos"]
[Black "Staron, Douglas Rentz"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1553"]
[BlackElo "1616"]
[PlyCount "48"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. g3 Nf6 4. Bg2 d5 5. exd5 Nxd5 6. 0-0 e5 7. Nbc3 Be6 8. d3 Be7 9. f4 f5 10. Kh1 0-0 11. fxe5 Nxe5 12. Nf4 Nxf4 13. Bxf4 Ng6 14. Qe2 Bd7 15. Bxb7 Nxf4 16. Rxf4 Rb8 17. Bd5+ Kh8 18. Bb3 Bg5 19. Rf2 Bc6+ 20. Kg1 Re8 21. Qh5 Be3 22. Raf1 Bxf2+ 23. Rxf2 Re1+ 24. Rf1 Qd4# 0-1

[Event "Pirai do Sul op 25th"]
[Site "Chess.com INT"]
[Date "2020.12.28"]
[Round "12"]
[White "Staron, Douglas Rentz"]
[Black "Fonseca, Jeferson dos Santos"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "1616"]
[BlackElo "1553"]
[PlyCount "100"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 5. Nf3 d6 6. 0-0 Bg4 7. d4 exd4 8. Nxd4 0-0 9. Qd3 Nbd7 10. Bf4 Re8 11. Nb3 Bb6 12. Bxd6 Ba5 13. Nxa5 Qxa5 14. h3 Bh5 15. b4 Qb6 16. Kh2 Ne5 17. Bxe5 Rxe5 18. f4 Re3 19. Qd2 Rd8 20. Qb2 Rde8 21. g4 Bxg4 22. hxg4 Nxg4+ 23. Kh1 R8e6 24. c5 Rh6+ 25. Kg1 Qd8 26. Rf3 Qh4 27. Rd1 Qh2+ 28. Kf1 Rxf3+ 29. exf3 Ne3+ 30. Ke2 Qxg2+ 31. Kxe3 Re6+ 32. Ne4 Rxe4+ 33. Kxe4 f5+ 34. Kxf5 Qxb2 35. Rd8+ Kf7 36. Rd7+ Ke8 37. Rxb7 Qxa2 38. Rb8+ Kd7 39. Rb7+ Kc8 40. Rxg7 Qc2+ 41. Kf6 Qc3+ 42. Kf7 Qxf3 43. Rxh7 Qxf4+ 44. Kg6 Qxb4 45. Rh8+ Kb7 46. Rh7+ Ka6 47. Rh5 Qe4+ 48. Kf6 Kb5 49. Rf5 Qxf5+ 50. Kxf5 Kxc5 0-1

[Event "Pirai do Sul op 25th"]
[Site "Chess.com INT"]
[Date "2020.12.28"]
[Round "9"]
[White "Trupel, Felipe Do Amaral"]
[Black "Fonseca, Jeferson dos Santos"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1637"]
[BlackElo "1553"]
[PlyCount "26"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Ng5 Qf6 6. Bxf7+ Kf8 7. 0-0 h6 8. Bxg8 hxg5 9. Bd5 Nd4 10. Be3 Qh6 11. h3 Bxh3 12. f3 Bxg2 13. Kxg2 Qh2# 0-1

[Event "Pirai do Sul op 25th"]
[Site "Chess.com INT"]
[Date "2020.12.27"]
[Round "5"]
[White "Fonseca, Jeferson dos Santos"]
[Black "Nabosny, Rafael"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1553"]
[BlackElo "1613"]
[PlyCount "71"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bc5 5. d3 0-0 6. Bg5 h6 7. Bh4 d6 8. Nd5 Be6 9. Bxf6 gxf6 10. Qd2 Kh7 11. Nh4 Nd4 12. c3 Bxd5 13. Bxd5 f5 14. cxd4 Qxh4 15. dxc5 fxe4 16. Bxe4+ f5 17. Bxb7 Rab8 18. Bd5 dxc5 19. b3 e4 20. dxe4 fxe4 21. Qe3 Rb4 22. Qxc5 Qf6 23. Qxc7+ Kh8 24. 0-0 Rd4 25. Bc4 Rd2 26. Qg3 h5 27. Rad1 h4 28. Qe3 Rxd1 29. Rxd1 Qg6 30. Qd4+ Kh7 31. Re1 h3 32. Qxe4 Qxe4 33. Rxe4 hxg2 34. Kxg2 Rf6 35. Re7+ Kh6 36. Rxa7 1-0

[Event "Pirai do Sul op 25th"]
[Site "Chess.com INT"]
[Date "2020.12.27"]
[Round "7"]
[White "Fonseca, Jeferson dos Santos"]
[Black "Rodrigues Mota, Romulo Cardoso S"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1553"]
[BlackElo "1634"]
[PlyCount "100"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. g3 f6 4. Bg2 Nc6 5. 0-0 e5 6. d3 g6 7. f4 Bg7 8. Nd2 Be6 9. Nf3 Nge7 10. Be3 Qd7 11. c4 0-0-0 12. Nc3 f5 13. Nd5 fxe4 14. dxe4 Nd4 15. Qd2 Nxd5 16. cxd5 Bh3 17. Rac1 Kb8 18. b4 Qb5 19. Bxh3 Ne2+ 20. Kf2 Nxc1 21. Rxc1 exf4 22. Bxf4 cxb4 23. Bf1 Qb6+ 24. Be3 Qa5 25. Ng5 Rhf8+ 26. Kg2 Bc3 27. Qc2 Rc8 28. Qb3 h6 29. Ne6 Rf6 30. Bf4 Be5 31. Bxe5 dxe5 32. Rxc8+ Kxc8 33. d6 Qb6 34. Qc2+ Kd7 35. Bc4 Qe3 36. Bb3 Qc3 37. Qe2 Rxe6 38. Bxe6+ Kxe6 39. Qg4+ Kf6 40. Qd7 Qc2+ 41. Kh3 Qxe4 42. Qe7+ Kf5 43. Qf7+ Kg5 44. Qe7+ Kf5 45. d7 Qg4+ 46. Kg2 Qe2+ 47. Kg1 Qe1+ 48. Kg2 Qe2+ 49. Kg1 Qd1+ 50. Kg2 Qe2+ 1/2-1/2

[Event "Pirai do Sul op 25th"]
[Site "Chess.com INT"]
[Date "2020.12.27"]
[Round "6"]
[White "Nabosny, Rafael"]
[Black "Fonseca, Jeferson dos Santos"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1613"]
[BlackElo "1553"]
[PlyCount "59"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 a6 4. cxd5 Nxd5 5. e4 Nf6 6. Nc3 Bg4 7. e5 Nd5 8. Bc4 e6 9. h3 Bh5 10. 0-0 c6 11. Ne4 Nd7 12. g4 Bg6 13. Ng3 Be7 14. Qb3 b5 15. Bd3 Bxd3 16. Qxd3 Bh4 17. Nxh4 Qxh4 18. Ne4 h6 19. Nd6+ Ke7 20. f4 f6 21. Bd2 Raf8 22. Be1 Nb4 23. Bxb4 c5 24. Be1 c4 25. Qf3 g5 26. Bxh4 gxh4 27. f5 fxe5 28. dxe5 Nxe5 29. Qb7+ Kf6 30. Ne4# 1-0

[Event "Pirai do Sul op 25th"]
[Site "Chess.com INT"]
[Date "2020.12.27"]
[Round "8"]
[White "Rodrigues Mota, Romulo Cardoso S"]
[Black "Fonseca, Jeferson dos Santos"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1634"]
[BlackElo "1553"]
[PlyCount "145"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. 0-0 Nge7 7. Ng5 0-0 8. Qh5 h6 9. Nxf7 Rxf7 10. Qxf7+ Kh8 11. bxc3 Bc5 12. Rd1 d6 13. Rd3 Ne5 14. Qh5 Nxd3 15. Bxd3 Ng8 16. e5 dxe5 17. Qg6 e4 18. Qxe4 Nf6 19. Qg6 Qe8 20. Qxe8+ Nxe8 21. Nd2 Bd7 22. Nb3 Bd6 23. Bb2 Nf6 24. c4 Ng4 25. h3 Ne5 26. Be2 Re8 27. c5 Bf8 28. Bh5 Re7 29. Re1 Nd3 30. Rxe7 Bxe7 31. Bd4 Nb4 32. a3 Nc2 33. Bb2 Be6 34. Na5 Bxc5 35. Nxb7 Bxa3 36. Be5 c5 37. Nd8 Bg8 38. Bg4 c4 39. Be6 Bb4 40. Bxg8 Kxg8 41. Nc6 a5 42. Kf1 c3 43. Ke2 Na3 44. Kd3 Kf7 45. Bxc3 Bxc3 46. Kxc3 a4 47. Kb4 Nc2+ 48. Kxa4 Ne1 49. g3 Nd3 50. f3 Nf2 51. h4 Kf6 52. Kb4 Kf5 53. Kc3 Nh1 54. g4+ Kf4 55. Nd4 Nf2 56. Kd2 Nxg4 57. Ke2 Ne5 58. Ne6+ Kg3 59. h5 Nxf3 60. Nxg7 Nd4+ 61. Ke3 Ne6 62. Nxe6 Kh4 63. Ng7 Kg5 64. Ke4 Kf6 65. Nf5 Kg5 66. Ng3 Kg4 67. Ke5 Kxg3 68. Kf6 Kg4 69. Kg6 Kh4 70. Kxh6 Kg4 71. Kg6 Kf4 72. h6 Kg4 73. h7 1-0

[Event "Pirai do Sul op 25th"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "4"]
[White "Fonseca, Jeferson dos Santos"]
[Black "Silva Jr, Maurides Ferreira D"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1553"]
[BlackElo "1612"]
[PlyCount "47"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 Bg4 6. Bb5 cxd4 7. Bxc6+ bxc6 8. cxd4 e6 9. Nc3 Bb4 10. h3 Bh5 11. Bd2 Ne7 12. a3 Bxc3 13. Bxc3 Nf5 14. g4 Bxg4 15. hxg4 Ne7 16. Qd2 Ng6 17. Qg5 f6 18. exf6 gxf6 19. Qxg6+ hxg6 20. Rxh8+ Ke7 21. Rxd8 Rxd8 22. Ke2 Kd6 23. Rh1 e5 24. dxe5+ 1-0

[Event "Pirai do Sul op 25th"]
[Site "Chess.com INT"]
[Date "2020.12.26"]
[Round "3"]
[White "Silva Jr, Maurides Ferreira D"]
[Black "Fonseca, Jeferson dos Santos"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1612"]
[BlackElo "1553"]
[PlyCount "67"]
[EventDate "2020.12.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 e5 2. f4 Nc6 3. Nf3 d6 4. Bb5 Bg4 5. 0-0 Nf6 6. Bxc6+ bxc6 7. Nc3 Be7 8. d4 exd4 9. Qxd4 0-0 10. b3 c5 11. Qf2 Qd7 12. Bb2 Qc6 13. h3 Bxf3 14. Qxf3 Rfe8 15. Rad1 Bd8 16. Qg3 c4 17. Nd5 cxb3 18. Bxf6 g6 19. Qh4 h5 20. Qg5 Kh7 21. axb3 Qxc2 22. Bxd8 Rexd8 23. Nf6+ Kg7 24. Nxh5+ Kh7 25. Rc1 Qxb3 26. Rxc7 Qb6+ 27. Kh2 Qxc7 28. Nf6+ Kg7 29. Nd5 Qc4 30. Qf6+ Kh6 31. Ne3 Rf8 32. Nxc4 a5 33. f5 a4 34. Rf4 1-0

