[Event "FENAJ-ch U18"]
[Site "Brazil"]
[Date "2013.06.02"]
[Round "6"]
[White "Dos Santos, Jeferson Marcos"]
[Black "Guimaraes Filho, Denys Camargo"]
[Result "0-1"]
[ECO "B78"]
[BlackElo "1790"]
[PlyCount "62"]
[EventDate "2013.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Qd2 Nf6 8. f3 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bh6 Nc4 14. Bxc4 Rxc4 15. Bxg7 Kxg7 16. Nde2 Qa5 17. Rhg1 b5 18. Kb1 b4 19. Nd5 Nxd5 20. exd5 Rfc8 21. g4 Rxc2 22. Qd4+ f6 23. gxh5 Bf5 24. Ka1 b3 25. Rxg6+ Bxg6 26. a3 Rxe2 27. h6+ Kxh6 28. Qf4+ Kg7 29. Qg3 Qc5 30. Qf4 Qc2 31. h5 Qxb2# 0-1

[Event "FENAJ-ch U18"]
[Site "Brazil"]
[Date "2013.06.01"]
[Round "5"]
[White "Costa, Ykaru Vinicius Mont"]
[Black "Dos Santos, Jeferson Marcos"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1800"]
[PlyCount "68"]
[EventDate "2013.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 c6 8. Be3 Ng4 9. Bd2 c5 10. Rc1 cxd4 11. Nxd4 Nxf2 12. Kxf2 Bxd4+ 13. Ke1 Nc5 14. Rf4 f5 15. b4 Nxe4 16. Nxe4 fxe4 17. Rxe4 Qb6 18. Bf3 Bf5 19. Qb3 e6 20. c5 dxc5 21. Bh6 Bxe4 22. Bxe4 Rf2 23. Qg3 Qxb4+ 24. Kd1 Rd8 25. Qc7 Rdf8 26. Bd3 Rxg2 27. Rxc5 Rg1+ 28. Bf1 Rgxf1+ 29. Ke2 Qe1+ 30. Kd3 Qd1+ 31. Kc4 Qa4+ 32. Kd3 R8f3+ 33. Ke4 Bxc5+ 34. Ke5 Re1+ 0-1

[Event "FENAJ-ch U18"]
[Site "Brazil"]
[Date "2013.06.01"]
[Round "4"]
[White "Dos Santos, Jeferson Marcos"]
[Black "Medeiros, Israel Costa Smith"]
[Result "0-1"]
[ECO "B78"]
[BlackElo "1927"]
[PlyCount "54"]
[EventDate "2013.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Ne5 11. Bb3 Rc8 12. Bh6 Bxh6 13. Qxh6 Rxc3 14. bxc3 Qa5 15. g4 Qxc3 16. Kb1 a5 17. Nf5 Bxf5 18. gxf5 a4 19. fxg6 hxg6 20. Bd5 Nxd5 21. Rxd5 Nc4 22. Qc1 Na3+ 23. Qxa3 Qxa3 24. h4 Qxf3 25. Rh2 Qxe4 26. Rdd2 a3 27. h5 Qe1+ 0-1

[Event "FENAJ-ch U18"]
[Site "Brazil"]
[Date "2013.05.31"]
[Round "3"]
[White "Ribeiro, Matheus Henrique Ma"]
[Black "Dos Santos, Jeferson Marcos"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1800"]
[PlyCount "90"]
[EventDate "2013.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nc6 7. 0-0 e5 8. d5 Ne7 9. b4 b6 10. a4 Bd7 11. Be3 h6 12. Nd2 Ne8 13. c5 f5 14. f3 f4 15. Bf2 Kh8 16. Nc4 g5 17. Rc1 Nc8 18. c6 Bh3 19. gxh3 Rg8 20. Kh1 Bf8 21. Rg1 Ne7 22. Qf1 Nf6 23. h4 Nh7 24. Qh3 Ng6 25. Rg2 Rg7 26. Rcg1 Be7 27. h5 Ngf8 28. Ra1 a6 29. Rgg1 Qe8 30. Bxb6 cxb6 31. Nxb6 Rb8 32. a5 Bd8 33. Nca4 Nf6 34. Rgc1 Bc7 35. Bxa6 g4 36. fxg4 Nxg4 37. Ra2 Ng6 38. Qxg4 Qg8 39. Rg2 f3 40. Rg3 Rf8 41. hxg6 Rf6 42. Qc8 Bd8 43. Bd3 Rfxg6 44. Rxg6 Rxg6 45. c7 f2 0-1

[Event "FENAJ-ch U18"]
[Site "Brazil"]
[Date "2013.05.31"]
[Round "2"]
[White "Rosa, Joao Paulo"]
[Black "Dos Santos, Jeferson Marcos"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "1539"]
[PlyCount "113"]
[EventDate "2013.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. d3 c5 7. 0-0 Nc6 8. e4 Ne8 9. Be3 Nc7 10. Qd2 Re8 11. Bh6 Bh8 12. Nd5 Bg4 13. Rfe1 Bxf3 14. Bxf3 Nd4 15. Bg2 Nce6 16. Rac1 a6 17. b3 Rb8 18. Nf4 b5 19. Nxe6 Nxe6 20. Be3 b4 21. Qe2 Nd4 22. Bxd4 Bxd4 23. Kh1 Qd7 24. f4 e5 25. Rf1 Rf8 26. f5 a5 27. f6 Kh8 28. Qd2 a4 29. Qh6 Rg8 30. Bh3 Qe8 31. Rf5 Qf8 32. Qxf8 Rgxf8 33. Rf3 axb3 34. axb3 Ra8 35. Bd7 Ra3 36. Ba4 h6 37. g4 g5 38. h4 gxh4 39. Rh3 Rg8 40. Rxh4 Kh7 41. Bd7 Be3 42. Bf5+ Kh8 43. Rb1 Rga8 44. Kg2 Ra2+ 45. Kf3 Bg5 46. Rhh1 Rd2 47. Rbd1 Raa2 48. Rxd2 Bxd2 49. Rh2 Rb2 50. g5 Bc1 51. Rxh6+ Kg8 52. Bh7+ Kh8 53. Bg6+ Kg8 54. Bxf7+ Kxf7 55. Rh7+ Kg8 56. g6 Bg5 57. f7+ 1-0

[Event "FENAJ-ch U18"]
[Site "Brazil"]
[Date "2013.05.30"]
[Round "1"]
[White "Dos Santos, Jeferson Marcos"]
[Black "Vizzotto, Bernardo"]
[Result "0-1"]
[ECO "C14"]
[BlackElo "2005"]
[PlyCount "68"]
[EventDate "2013.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. dxc5 Nc6 10. Bd3 Qxc5 11. a3 Qb6 12. Qc1 f6 13. exf6 Nxf6 14. b3 0-0 15. Na4 Qa7 16. h3 Nh5 17. Qd2 Nxf4 18. 0-0-0 b5 19. Nb2 Qe7 20. b4 Bd7 21. g3 Nxd3+ 22. Qxd3 a5 23. c3 axb4 24. cxb4 Nxb4 25. axb4 Ra1+ 26. Kd2 Qxb4+ 27. Qc3 Qxc3+ 28. Kxc3 Rxf3+ 29. Kc2 Rxd1 30. Nxd1 Rxg3 31. h4 b4 32. Nb2 e5 33. Rf1 Rh3 34. Nd3 Rxd3 0-1

