[Event "BRA-ch Regional Sul"]
[Site "Lages"]
[Date "2019.10.20"]
[Round "5"]
[White "Rosa, Jefferson Luiz"]
[Black "Da Rosa, Kassiele"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "1433"]
[BlackElo "1782"]
[PlyCount "34"]
[EventDate "2019.10.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. d3 d6 6. a3 h6 7. b4 Bb6 8. Re1 0-0 9. Be3 Bg4 10. Bxb6 cxb6 11. c3 a6 12. Bxc6 bxc6 13. Re3 Re8 14. Qc2 d5 15. exd5 Qxd5 16. Nbd2 Rad8 17. c4 Qd6 0-1

[Event "BRA-ch Regional Sul"]
[Site "Lages"]
[Date "2019.10.19"]
[Round "4"]
[White "Rodrigues, Joao Antonio"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1800"]
[BlackElo "1433"]
[PlyCount "67"]
[EventDate "2019.10.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 e6 3. d4 d5 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 Be7 7. e3 Nbd7 8. Qc2 Qc7 9. Rc1 dxc4 10. Bxc4 Nb6 11. Bb3 Bb4 12. Bxf6 gxf6 13. a3 Bd6 14. Ne4 f5 15. Nf6+ Ke7 16. Nh5 Bd7 17. Qc3 Rag8 18. d5 Kd8 19. Nf6 Nxd5 20. Bxd5 exd5 21. Nxg8 Rxg8 22. 0-0 f4 23. Qf6+ Kc8 24. Qxh6 Qd8 25. Qxd6 fxe3 26. fxe3 Qb6 27. Qe5 Re8 28. Qd4 Qa5 29. Ne5 Be6 30. Nxf7 Qc7 31. Qxa7 Kd7 32. Qd4 Rg8 33. Ne5+ Kc8 34. Rf2 1-0

[Event "BRA-ch Regional Sul"]
[Site "Lages"]
[Date "2019.10.19"]
[Round "3"]
[White "Rosa, Jefferson Luiz"]
[Black "Souza, Gabriel Copini"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1433"]
[BlackElo "1834"]
[PlyCount "85"]
[EventDate "2019.10.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d6 3. d4 g6 4. Nf3 Bg7 5. Be3 0-0 6. Qd2 Re8 7. Bh6 Bh8 8. Bb5 Bd7 9. Bc4 Bc6 10. d5 Bd7 11. 0-0 c6 12. Rfe1 b5 13. Bb3 c5 14. a3 Ng4 15. Bg5 f6 16. Be3 a6 17. h3 Nxe3 18. Qxe3 Bc8 19. Ne2 f5 20. c3 fxe4 21. Qxe4 Bf5 22. Qh4 Bg7 23. Ng3 Bd3 24. Ng5 h6 25. Ne6 Qd7 26. Nxg7 Kxg7 27. Re3 c4 28. Bd1 g5 29. Qh5 Bg6 30. Qe2 Qb7 31. Nh5+ Kh8 32. Bc2 Bxc2 33. Qxc2 Rg8 34. Qe4 e5 35. Qf5 Qxd5 36. Qf6+ Kh7 37. Qe7+ Kg6 38. Nf6 Qf7 39. Nxg8 Qxg8 40. Qxd6+ Kh7 41. Rxe5 Ra7 42. Rae1 Qg6 43. Re7+ 1-0

[Event "BRA-ch Regional Sul"]
[Site "Lages"]
[Date "2019.10.18"]
[Round "1"]
[White "Rosa, Jefferson Luiz"]
[Black "Duarte, Guilherme Ribeiro"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1433"]
[BlackElo "1743"]
[PlyCount "73"]
[EventDate "2019.10.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Bc4 e6 4. 0-0 Bg7 5. Nc3 Ne7 6. Re1 0-0 7. d3 a6 8. a4 b6 9. e5 d5 10. exd6 Qxd6 11. Ne4 Qc7 12. c3 Bb7 13. Bd2 Nbc6 14. Qc1 Nf5 15. g4 Nd6 16. Nxd6 Qxd6 17. Bf4 e5 18. Bh6 Nd4 19. cxd4 Bxf3 20. Bxg7 Kxg7 21. dxe5 Qc6 22. Qf4 Bh1 23. Qg3 Rad8 24. e6 Rd4 25. e7 Re8 26. h3 Rf4 27. Re3 Rf3 28. Rxf3 Bxf3 29. Qe5+ f6 30. Qe3 Bh1 31. Kf1 Qg2+ 32. Ke2 Qc6 33. Bxa6 Bf3+ 34. Kd2 Kf7 35. Bb5 Rxe7 36. Bxc6 Rxe3 37. fxe3 1-0

[Event "BRA-ch Regional Sul"]
[Site "Lages"]
[Date "2019.10.18"]
[Round "2"]
[White "Schafranski, Yasmin"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1137"]
[BlackElo "1433"]
[PlyCount "55"]
[EventDate "2019.10.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Bf4 Nd5 4. Bg3 Bg4 5. e3 Nd7 6. Be2 N7f6 7. 0-0 Ne4 8. h3 Nxg3 9. fxg3 Bxf3 10. Bxf3 Nxe3 11. Qe2 Nxf1 12. Qxf1 a6 13. Bxb7 Ra7 14. Bc6+ Qd7 15. Bxd7+ Kxd7 16. Qxf7 h5 17. d5 Ra8 18. Nc3 Rh6 19. Re1 Re8 20. Re6 Rh8 21. Ne4 Rb8 22. c4 Rxb2 23. c5 Rb1+ 24. Kh2 Rd1 25. c6+ Kd8 26. Nf6 gxf6 27. Rxf6 Re1 28. Qxf8+ 1-0

[Event "Caioba Copel op 5th"]
[Site "Caioba"]
[Date "2019.09.17"]
[Round "4"]
[White "Da Silva, Matheus Lopes"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1621"]
[BlackElo "1408"]
[PlyCount "49"]
[EventDate "2019.08.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bg6 5. h4 h5 6. Bd3 e6 7. Bxg6 fxg6 8. Qd3 Ne7 9. Bg5 Rh6 10. Bxh6 gxh6 11. f3 hxg4 12. fxg4 Kd7 13. h5 g5 14. Nc3 Na6 15. a3 Qb6 16. 0-0-0 Nc7 17. Na4 Qb5 18. Nc5+ Ke8 19. Qxb5 Nxb5 20. Nxb7 a5 21. Ne2 a4 22. Kb1 Nc8 23. Rhf1 Ra7 24. Nd6+ Bxd6 25. exd6 1-0

[Event "Caioba Copel op 5th"]
[Site "Caioba"]
[Date "2019.08.16"]
[Round "2"]
[White "Rosa, Jefferson Luiz"]
[Black "Deus Filho, Joaquim"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1408"]
[BlackElo "1926"]
[PlyCount "43"]
[EventDate "2019.08.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. Bb5 Bg4 6. Bxc6+ bxc6 7. 0-0 0-0-0 8. d3 Qf5 9. a4 Nf6 10. Re1 h5 11. Re5 Qxe5 12. Nxe5 Bxd1 13. Nxf7 Bxc2 14. Nxh8 Bxd3 15. Nf7 Rd7 16. Ne5 Rd6 17. Be3 Kb7 18. a5 Nd5 19. Nxd3 Nxe3 20. Nc5+ Kc8 21. fxe3 Rd2 22. Ne6 1-0

[Event "Parana-ch"]
[Site "Curitiba"]
[Date "2018.11.25"]
[Round "6"]
[White "Raifur, Gabriel Henrique Ch"]
[Black "Rosa, Jefferson Luiz"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "1272"]
[BlackElo "1492"]
[PlyCount "46"]
[EventDate "2018.11.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 c5 5. c3 Nh6 6. Nf3 Nf5 7. Bf4 Nc6 8. Bb5 Qb6 9. Bxc6+ Qxc6 10. Ng3 Nxg3 11. Bxg3 Be7 12. 0-0 b6 13. Rc1 Bb7 14. Re1 Rd8 15. Re2 0-0 16. Rd2 Rd5 17. Rd3 Bd6 18. dxc5 Bxg3 19. hxg3 Rxd3 20. Qxd3 Qxc5 21. Qd7 Bxf3 22. gxf3 a5 23. Rd1 g6 1/2-1/2

[Event "Parana-ch"]
[Site "Curitiba"]
[Date "2018.11.25"]
[Round "7"]
[White "Rosa, Jefferson Luiz"]
[Black "Xavier, Kayo Henrique Campo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1492"]
[BlackElo "1271"]
[PlyCount "104"]
[EventDate "2018.11.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Be6 5. Nf3 c5 6. Bb5+ Nc6 7. Bxc6+ bxc6 8. 0-0 Nf6 9. Bg5 h6 10. Bxf6 Qxf6 11. Ne5 Rc8 12. Nf3 Bd6 13. Ne2 Bg4 14. Ng3 Bxf3 15. gxf3 cxd4 16. Re1+ Kd7 17. Qd3 g6 18. Rac1 h5 19. c4 h4 20. cxd5 hxg3 21. hxg3 Rh5 22. dxc6+ Rxc6 23. Rxc6 Kxc6 24. Qa6+ Kd7 25. Qxa7+ Bc7 26. Qa4+ Kc8 27. Re8+ Kb7 28. Qa8+ Kb6 29. b4 Qc6 30. Rb8+ Bxb8 31. Qxb8+ Ka6 32. Kg2 d3 33. a4 Qxa4 34. Qd6+ Kb5 35. Qxd3+ Kxb4 36. Qd4+ Kb3 37. Qd3+ Ka2 38. Qe2+ Ka3 39. Qe3+ Qb3 40. Qa7+ Kb2 41. Qd4+ Kc2 42. Qe4+ Kd2 43. Qf4+ Kc2 44. Qe4+ Qd3 45. Qa4+ Kd2 46. Qa2+ Qc2 47. Qxf7 Ke1 48. Qe6+ Qe2 49. Qxe2+ Kxe2 50. g4 Ra5 51. f4 Ra3 52. f5 Rf3 0-1

[Event "Parana-ch"]
[Site "Curitiba"]
[Date "2018.11.24"]
[Round "4"]
[White "Kruger, Israel"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1877"]
[BlackElo "1492"]
[PlyCount "37"]
[EventDate "2018.11.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. h3 e6 4. Nd2 d5 5. e3 Bd6 6. Bh6 Ng8 7. Bg7 Kd7 8. Bxh8 f6 9. g4 g5 10. h4 h6 11. hxg5 fxg5 12. Qf3 Qe7 13. Bd3 Nc6 14. 0-0-0 b6 15. Bb5 Ba3 16. Bxc6+ Kxc6 17. e4 Ba6 18. exd5+ exd5 19. Qxa3 1-0

[Event "Parana-ch"]
[Site "Curitiba"]
[Date "2018.11.24"]
[Round "5"]
[White "Rosa, Jefferson Luiz"]
[Black "Lopes, Aloisio Ponti"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1492"]
[BlackElo "1913"]
[PlyCount "52"]
[EventDate "2018.11.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 Nf6 5. d3 Bf5 6. Be2 e6 7. Nh4 Bg6 8. Nxg6 hxg6 9. Bf3 c6 10. 0-0 Qc7 11. g3 Bd6 12. Qe2 Nbd7 13. Ne4 Nxe4 14. Bxe4 0-0-0 15. Be3 f5 16. Bxc6 Qxc6 17. f4 Kb8 18. Rf2 Nf6 19. c3 Ng4 20. Rg2 Rh3 21. a4 Rdh8 22. Bxa7+ Kxa7 23. d4 Rxh2 24. Kf1 Rh1+ 25. Rg1 Rxg1+ 26. Kxg1 Rh1# 0-1

[Event "Curitiba Fexpar op 1st"]
[Site "Curitiba"]
[Date "2018.11.03"]
[Round "3"]
[White "Rosa, Jefferson Luiz"]
[Black "Dias, Joao Batista de Sou"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "1492"]
[BlackElo "1891"]
[PlyCount "58"]
[EventDate "2018.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. c4 0-0 8. 0-0 d6 9. Nc3 bxc4 10. Bxc4 Na5 11. Bd5 c6 12. Bb3 Nxb3 13. Qxb3 Be6 14. Qc2 h6 15. b3 Bg4 16. Ne1 d5 17. f3 Be6 18. f4 dxe4 19. dxe4 exf4 20. Bxf4 Qd4+ 21. Kh1 Nxe4 22. Rd1 Qxc3 23. Qxe4 Bf6 24. Rc1 Qa5 25. Bxh6 Qh5 26. Rxf6 gxf6 27. Bxf8 Rxf8 28. Qxc6 Rc8 29. Rc5 Qxc5 0-1

[Event "Curitiba Fexpar op 1st"]
[Site "Curitiba"]
[Date "2018.11.03"]
[Round "5"]
[White "Rosa, Jefferson Luiz"]
[Black "Ramazzotte, Adriano"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "1492"]
[PlyCount "80"]
[EventDate "2018.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. d3 h6 7. 0-0 d6 8. c4 Bg4 9. Be3 bxc4 10. Bxc4 Be7 11. Nbd2 0-0 12. Qc2 d5 13. Bxd5 Nb4 14. Qc4 Nbxd5 15. exd5 e4 16. Nxe4 Bxf3 17. gxf3 Nd7 18. Kh1 Nb6 19. Qc1 Nxd5 20. Bxh6 g6 21. Bxf8 Bxf8 22. Qc4 Nf4 23. Ng3 Nxd3 24. Qc2 Nf4 25. Rad1 Bd6 26. Rfe1 Qh4 27. Re4 Kg7 28. Rxf4 Bxf4 29. Qc3+ f6 30. Qd4 Rh8 31. Nf5+ gxf5 32. Rg1+ Kf8 33. Rg2 Rh5 34. b3 Rh7 35. Qa7 Kf7 36. Qxa6 Rh8 37. Qc4+ Kf8 38. Qe6 Qh5 39. Qc8+ Qe8 40. Qxe8+ Kxe8 0-1

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2018.08.05"]
[Round "9"]
[White "Rosa, Jefferson Luiz"]
[Black "Scardini, Leonardo"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "1460"]
[BlackElo "1309"]
[PlyCount "107"]
[EventDate "2018.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 d6 7. d4 b5 8. Bb3 0-0 9. dxe5 dxe5 10. Qxd8 Rxd8 11. Bg5 h6 12. Bh4 Bb7 13. Nbd2 Re8 14. c3 Rad8 15. a4 b4 16. Nc4 Nd7 17. Bg3 Bf8 18. Ne3 g6 19. Nd5 Rc8 20. Rad1 Na5 21. Nxb4 Nxb3 22. Rxd7 Bxb4 23. cxb4 f6 24. Nh4 Bc6 25. Rd3 Bxa4 26. Nxg6 Nd4 27. Nh4 Rcd8 28. Rc3 Re7 29. h3 Rg7 30. Nf5 Nxf5 31. exf5 Rgd7 32. Kh2 c6 33. Bh4 Kf7 34. Ree3 Rd4 35. g4 Rxb4 36. b3 Bb5 37. Bg3 Rbd4 38. Bxe5 fxe5 39. Rxe5 Re8 40. Rce3 Rxe5 41. Rxe5 Rd5 42. Re6 c5 43. Rxh6 c4 44. bxc4 Bxc4 45. Rh7+ Kg8 46. Rc7 Bd3 47. f6 a5 48. Ra7 Bc2 49. h4 a4 50. g5 Rd4 51. Rg7+ Kh8 52. Ra7 Rxh4+ 53. Kg3 Rh7 54. Ra8# 1-0

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2018.08.04"]
[Round "8"]
[White "Durante, Taina Seidel"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1717"]
[BlackElo "1460"]
[PlyCount "71"]
[EventDate "2018.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Nd2 Bg4 6. Ne2 Nc6 7. c3 Qd7 8. f4 Bf5 9. Nf3 Ne4 10. 0-0 h6 11. Ne5 Qe6 12. Qb3 Nd6 13. Bxf5 Qxf5 14. Ng3 Qc8 15. Qxd5 e6 16. Qf3 Nxe5 17. fxe5 Nc4 18. Qxf7+ Kd8 19. Qxf8+ Rxf8 20. Rxf8+ Ke7 21. Rxc8 Rxc8 22. b3 Nb6 23. Ba3+ Kf7 24. Rf1+ Kg6 25. c4 Rd8 26. Ne2 Re8 27. Kf2 a6 28. Ke3 Nc8 29. Rf8 Rxf8 30. Bxf8 Nb6 31. Nf4+ Kf7 32. Bxg7 Kxg7 33. Nxe6+ Kg6 34. Nc5 Kf5 35. Nxb7 Nc8 36. Nd6+ 1-0

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2018.08.04"]
[Round "7"]
[White "Rosa, Jefferson Luiz"]
[Black "Predebon, Eduardo Angonesi"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1460"]
[BlackElo "1833"]
[PlyCount "78"]
[EventDate "2018.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bb5 Qb6 6. Nc3 e6 7. a3 Bd6 8. 0-0 Nge7 9. Bg5 0-0 10. Bxc6 Nxc6 11. b4 a6 12. Qd2 Bd7 13. Ne2 Rac8 14. Bf4 Be7 15. Ne5 Qd8 16. Nxd7 Qxd7 17. Bg5 Qc7 18. c3 Bd6 19. f4 Ne7 20. Bxe7 Bxe7 21. Rf3 Bd6 22. Raf1 Qc4 23. Qc2 Rfe8 24. Rh3 g6 25. f5 exf5 26. Qd2 h5 27. Rd3 Re4 28. Rff3 Rce8 29. Rfe3 Qc7 30. Ng3 Bxg3 31. hxg3 Qe7 32. Kf2 Qg5 33. a4 h4 34. gxh4 Qxh4+ 35. Kg1 f4 36. Rxe4 Rxe4 37. Kf1 g5 38. Qf2 Qh1+ 39. Qg1 Re1+ 0-1

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2018.08.03"]
[Round "6"]
[White "Lahoz, Cassiano Ricardo Ne"]
[Black "Rosa, Jefferson Luiz"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "1757"]
[BlackElo "1460"]
[PlyCount "60"]
[EventDate "2018.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. d3 d6 6. c3 Bd7 7. 0-0 g6 8. Be3 Bg7 9. Qd2 0-0 10. Bh6 b5 11. Bc2 Qc8 12. Bxg7 Kxg7 13. d4 Ng8 14. d5 Na5 15. b3 Bg4 16. Ne1 Nf6 17. f3 Bd7 18. c4 Nb7 19. Nc3 bxc4 20. bxc4 Nc5 21. Nd3 Nxd3 22. Bxd3 Nh5 23. Ne2 Rb8 24. f4 Qb7 25. Rab1 Qa7+ 26. Kh1 Rxb1 27. Bxb1 Bg4 28. g3 Bh3 29. Rd1 Qf2 30. Nc3 Bg2# 0-1

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2018.08.03"]
[Round "5"]
[White "Rosa, Jefferson Luiz"]
[Black "Santos, Dwlyan da Silva"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1460"]
[BlackElo "1857"]
[PlyCount "90"]
[EventDate "2018.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 c6 5. h3 Bd6 6. Nf3 Nbd7 7. a3 0-0 8. cxd5 exd5 9. Bd3 Re8 10. Qc2 Nf8 11. Bf5 Ng6 12. Bxc8 Rxc8 13. Bd2 h6 14. Na4 b6 15. Nc3 c5 16. 0-0 cxd4 17. Nxd4 Bb8 18. Qd3 Ne5 19. Qe2 Nc6 20. Nxc6 Rxc6 21. Qf3 Rce6 22. Nb5 Ne4 23. Rad1 a6 24. Nd4 Rf6 25. Qe2 Qd6 26. f4 Nxd2 27. Qxd2 b5 28. Qd3 Ba7 29. Rf3 Qd7 30. b4 Re4 31. Kf2 Bxd4 32. exd4 Rfxf4 33. Rxf4 Rxf4+ 34. Kg1 Re4 35. Rc1 Qe6 36. Qc3 Qf6 37. Rf1 Qxd4+ 38. Qxd4 Rxd4 39. Rf3 f6 40. Kf2 Kf7 41. Re3 Re4 42. Rc3 Rc4 43. Re3 d4 44. Rd3 Ke6 45. Kf3 Rc3 0-1

[Event "Curitiba op"]
[Site "Curitiba"]
[Date "2018.02.25"]
[Round "6"]
[White "Rosa, Jefferson Luiz"]
[Black "Raifur, Gabriel Henrique Ch"]
[Result "1/2-1/2"]
[ECO "E21"]
[BlackElo "1303"]
[PlyCount "41"]
[EventDate "2018.02.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Bxc3+ 5. Qxc3 b6 6. Nf3 Bb7 7. Bg5 a6 8. Bxf6 Qxf6 9. h4 a5 10. g4 Qe7 11. Rh2 f6 12. Qd3 Qf7 13. h5 Bxf3 14. Qxf3 Ra7 15. e4 a4 16. a3 h6 17. Bd3 e5 18. Qf5 exd4 19. e5 g5 20. hxg6 Qe7 21. Rh1 1/2-1/2

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.10.01"]
[Round "7"]
[White "Niehues, Luiz Cesar"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1621"]
[PlyCount "20"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. h3 e6 6. Nf3 Bb4+ 7. Nc3 Nc6 8. Be3 Bxc3+ 9. bxc3 Na5 10. Bd3 Qd7 1-0

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.10.01"]
[Round "8"]
[White "Rosa, Jefferson Luiz"]
[Black "Carvalho Neto, Joao Francisco"]
[Result "1-0"]
[ECO "B23"]
[BlackElo "1410"]
[PlyCount "103"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 d6 3. Nc3 Nf6 4. h3 a6 5. d3 b5 6. Bb3 Nc6 7. Nd5 e6 8. Nxf6+ Qxf6 9. c3 b4 10. Qc2 Be7 11. Nf3 0-0 12. Bg5 Qg6 13. h4 bxc3 14. bxc3 Bxg5 15. hxg5 Re8 16. Qd2 d5 17. Nh4 Qh5 18. Bd1 Qxd1+ 19. Rxd1 dxe4 20. 0-0 Rd8 21. Qe3 exd3 22. Rxd3 Bb7 23. Rxd8+ Rxd8 24. Qxc5 Rd5 25. Qe3 Re5 26. Qc1 Na5 27. Rd1 Bd5 28. Qb2 Nc6 29. Qd2 g6 30. Re1 Rxe1+ 31. Qxe1 Bxa2 32. Qe2 Bd5 33. Qxa6 Ne5 34. f4 Nc4 35. g4 Ne3 36. Qe2 Nc4 37. f5 gxf5 38. gxf5 exf5 39. Nxf5 Be6 40. Ne7+ Kf8 41. Nc6 Nd6 42. Qh2 Nf5 43. Ne5 Kg7 44. c4 f6 45. c5 fxe5 46. Qxe5+ Kf7 47. c6 Bc8 48. Qf6+ Kg8 49. Qd8+ Kf7 50. Qxc8 Ne7 51. Qd7 Kf8 52. c7 1-0

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.09.30"]
[Round "6"]
[White "Mainardes, Christian Junior"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "1732"]
[PlyCount "93"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. exd6 cxd6 7. h3 Bh5 8. b3 Qd7 9. Be2 Bg6 10. Bb2 e6 11. 0-0 Be7 12. Bd3 Bf6 13. Re1 Bxd3 14. Qxd3 0-0 15. Nbd2 Na6 16. a3 Nc7 17. Ne4 Ne8 18. Rad1 d5 19. Nxf6+ Nxf6 20. Ne5 Qd8 21. Bc1 Nbd7 22. Bg5 Qa5 23. Nxd7 Nxd7 24. Qg3 f6 25. Bc1 Rae8 26. b4 Qa4 27. c5 e5 28. Bb2 Qc2 29. Qc3 Qxc3 30. Bxc3 e4 31. b5 Re6 32. Bb4 Rc8 33. Re3 Nf8 34. Rde1 Ng6 35. g3 Ne7 36. g4 Ng6 37. Kg2 Nf4+ 38. Kg3 g5 39. f3 Nd3 40. Rxd3 Rce8 41. Rde3 Kf7 42. fxe4 Kg6 43. Kf3 h5 44. exd5 Rxe3+ 45. Rxe3 hxg4+ 46. hxg4 Rh8 47. d6 1-0

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.09.30"]
[Round "5"]
[White "Rosa, Jefferson Luiz"]
[Black "Vieira, Jose Renato Braga S"]
[Result "0-1"]
[ECO "A57"]
[BlackElo "1955"]
[PlyCount "48"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. Nxb5 Qa5+ 7. Nc3 Bb7 8. Bg5 Nxd5 9. Bd2 Nxc3 10. bxc3 g6 11. e3 Bg7 12. Qc2 0-0 13. Be2 Bxg2 14. Bf3 Bxh1 15. Bxh1 Nc6 16. Qd3 Rab8 17. Bd5 Ne5 18. Qc2 c4 19. f4 Nd3+ 20. Ke2 Rb2 21. Qd1 Qxd5 22. Nf3 Bxc3 23. Kf1 Bxd2 24. Nxd2 Qh1+ 0-1

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.14"]
[Round "5"]
[White "Lisboa, Joana Cunha"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1468"]
[PlyCount "72"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. Nf3 d6 2. c4 Bg4 3. Qb3 Qc8 4. h3 Be6 5. d4 Nf6 6. Nc3 c6 7. e4 a5 8. d5 Bd7 9. Na4 Qc7 10. Bd3 g6 11. Be3 c5 12. e5 Bxa4 13. Qxa4+ Nfd7 14. e6 Bg7 15. exd7+ Nxd7 16. Qc2 0-0 17. h4 a4 18. Rb1 Ne5 19. Nxe5 Bxe5 20. h5 a3 21. Bh6 Bg7 22. Bxg7 Kxg7 23. Qc3+ Kg8 24. Qc2 Qa5+ 25. Qd2 Ra6 26. Qxa5 Rxa5 27. b4 Ra7 28. bxc5 f5 29. hxg6 hxg6 30. cxd6 exd6 31. Rb6 Ra6 32. Rxb7 Rf7 33. Rb8+ Kg7 34. Kd2 Kf6 35. Re1 Rh7 36. c5 Rh2 1-0

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.14"]
[Round "6"]
[White "Rosa, Jefferson Luiz"]
[Black "Moretto, Leticia Soares"]
[Result "0-1"]
[ECO "C62"]
[BlackElo "1254"]
[PlyCount "75"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. Nc3 Nf6 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 Be7 9. Bxd7+ Qxd7 10. Qe3 0-0 11. Bd2 Rfe8 12. Qg3 Qg4 13. Qxg4 Nxg4 14. Bc1 Nf6 15. f4 Nd7 16. Nd5 Bd8 17. Nc3 Nc5 18. Re1 c6 19. b4 Nd7 20. Kh1 d5 21. Bb2 dxe4 22. Nxe4 f5 23. Nd6 Rxe1+ 24. Rxe1 Bb6 25. Nxf5 g6 26. Nh6+ Kf8 27. f5 gxf5 28. Nxf5 Rd8 29. Rf1 Rb8 30. Nh6+ Ke7 31. Rf7+ Kd6 32. Ng4 Re8 33. g3 Re1+ 34. Kg2 Re2+ 35. Kh3 Rxc2 36. Be5+ Nxe5 37. Rf6+ Kd5 38. Ne3+ 0-1

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.13"]
[Round "3"]
[White "Crul, Otavio Augusto Barr"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1830"]
[PlyCount "91"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 g6 2. c4 d6 3. Nc3 Bg7 4. e4 Nd7 5. Be2 e5 6. d5 a6 7. h4 Ngf6 8. Bg5 0-0 9. Qd2 Qe8 10. f3 Nh5 11. g4 Ng3 12. Rh3 Nxe2 13. Ngxe2 f6 14. Bh6 Rf7 15. Bxg7 Rxg7 16. h5 gxh5 17. Rxh5 Nf8 18. Ng3 b5 19. Rh6 Rg6 20. Nh5 Qe7 21. cxb5 f5 22. exf5 Bxf5 23. Rxg6+ Bxg6 24. bxa6 Qh4+ 25. Qf2 Qh2 26. Qf1 Qh4+ 27. Kd2 Qh2+ 28. Qe2 Qh4 29. Ne4 Bxe4 30. fxe4 Ng6 31. Rf1 Qg5+ 32. Kc2 Nf4 33. Nxf4 exf4 34. b4 Qe5 35. b5 Rf8 36. Kb3 Qd4 37. Rd1 f3 38. Qc2 f2 39. Rxd4 f1Q 40. a4 Rf3+ 41. Kb2 c5 42. dxc6 Rf2 43. Rd2 Rxd2 44. Qxd2 Qf6+ 45. Kb3 Qf3+ 46. Qc3 1-0

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.13"]
[Round "4"]
[White "Rosa, Jefferson Luiz"]
[Black "Dos Anjos, Diovana Ferreira"]
[Result "0-1"]
[ECO "B00"]
[BlackElo "1658"]
[PlyCount "66"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 a6 2. f4 b5 3. d4 Bb7 4. Bd3 e6 5. Nf3 c5 6. c3 Nf6 7. 0-0 Nxe4 8. Bxe4 Bxe4 9. Nbd2 Bb7 10. Qe2 Be7 11. Ne5 cxd4 12. cxd4 0-0 13. f5 Nc6 14. Qg4 Qc7 15. Ndf3 Nxd4 16. Bh6 Nxf3+ 17. gxf3 Qxe5 18. fxe6 dxe6 19. b4 Qf6 20. a3 Qxh6 21. Ra2 Qg5 22. Rg2 Qxg4 23. Rxg4 Rad8 24. h4 Rd3 25. Kg2 Rc8 26. h5 Rcc3 27. h6 Bxf3+ 28. Rxf3 Rxf3 29. Rxg7+ Kh8 30. Kh1 Bh4 31. Kg2 Rf2+ 32. Kh1 Re2 33. Rg1 Rh3# 0-1

[Event "Curitiba Sul Region-ch"]
[Site "Curitiba"]
[Date "2017.04.15"]
[Round "3"]
[White "Rosa, Jefferson Luiz"]
[Black "Bueno, Vinicius Nogueira"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1681"]
[PlyCount "54"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. Nf3 e6 5. Ne5 Be7 6. e3 0-0 7. Bd3 Bxd3 8. Qxd3 c5 9. dxc5 Bxc5 10. 0-0 Nc6 11. a3 Nxe5 12. Bxe5 Nd7 13. Bd4 Be7 14. f4 a6 15. e4 Nc5 16. Bxc5 Bxc5+ 17. Kh1 dxe4 18. Nxe4 Qxd3 19. cxd3 Bd4 20. Rab1 Rac8 21. Nd6 Rc7 22. f5 Rd8 23. Ne4 exf5 24. Rxf5 Bxb2 25. h3 Bxa3 26. Rg5 Be7 27. Rg4 f5 0-1

[Event "Curitiba Sul Region-ch"]
[Site "Curitiba"]
[Date "2017.04.15"]
[Round "4"]
[White "Rosa, Jefferson Luiz"]
[Black "Pereira, Armando Scharlau"]
[Result "0-1"]
[ECO "D01"]
[BlackElo "1725"]
[PlyCount "108"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. f3 d5 3. Bg5 Nbd7 4. Nc3 e6 5. Qd2 h6 6. Bf4 a6 7. e3 c5 8. b3 cxd4 9. Qxd4 Bc5 10. Qd3 Qa5 11. Nge2 b5 12. Kf2 Bb7 13. h4 e5 14. Bg3 Qb6 15. Nd1 g6 16. a4 0-0 17. Kg1 b4 18. Bf2 a5 19. Ng3 e4 20. fxe4 dxe4 21. Nxe4 Bxe4 22. Qe2 Ne5 23. h5 g5 24. Rh3 Bf5 25. Rg3 Bg4 26. Qb5 Nxh5 27. Rxg4 Nxg4 28. Qd7 Nxf2 29. Nxf2 Bxe3 30. Qf5 Ng3 31. Qf3 Bxf2+ 32. Qxf2 Qxf2+ 33. Kxf2 Nxf1 34. Rxf1 Rac8 35. Kg3 f5 36. Rh1 Kg7 37. Kf2 Rxc2+ 38. Kf3 Rc3+ 39. Kf2 Rc2+ 40. Kg1 Rc1+ 41. Kh2 Rxh1+ 42. Kxh1 f4 43. Kh2 Kf6 44. Kh3 Kf5 45. Kh2 g4 46. Kh1 g3 47. Kg1 Rc8 48. Kf1 Ke4 49. Ke2 Rc2+ 50. Kd1 Rxg2 51. Kc1 Re2 52. Kd1 Ke3 53. Kc1 g2 54. Kd1 g1Q# 0-1

[Event "Curitiba Sul Region-ch"]
[Site "Curitiba"]
[Date "2017.04.14"]
[Round "2"]
[White "Santana, Expedito"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1622"]
[PlyCount "94"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. b4 a6 2. Bb2 Nc6 3. a3 e5 4. d3 d5 5. Nd2 b5 6. Ngf3 f6 7. g3 d4 8. Bg2 Nge7 9. 0-0 Bg4 10. c3 dxc3 11. Bxc3 Qd7 12. Re1 Nd5 13. Bb2 Be7 14. Rc1 Qd6 15. Ne4 Qe6 16. Qc2 Nd8 17. Nc5 Bxc5 18. Qxc5 c6 19. Nd2 Bf5 20. e4 Rc8 21. exd5 cxd5 22. Qxc8 Qxc8 23. Rxc8 Bxc8 24. Bxd5 Be6 25. Bg2 0-0 26. d4 exd4 27. Bxd4 Bc4 28. Nxc4 bxc4 29. Bd5+ Kh8 30. Bxc4 Nc6 31. Bc5 Ne5 32. Rxe5 Ra8 33. Re6 h6 34. Bxa6 Kh7 35. a4 Kg6 36. a5 Kf5 37. Rd6 Ke5 38. Bb7 Ra7 39. Rd5+ Ke6 40. Bxa7 Kf7 41. a6 g5 42. Be3 Kg6 43. Bc8 h5 44. a7 h4 45. Bf5+ Kh5 46. g4+ Kh6 47. a8Q Kg7 1-0

