[Event "Natal Elo-C"]
[Site "Natal"]
[Date "2008.02.06"]
[Round "7"]
[White "Ferreira, Jonas Jacques"]
[Black "De Macedo, Luiz Soares"]
[Result "0-1"]
[ECO "D04"]
[BlackElo "2002"]
[PlyCount "68"]
[EventDate "2008.01.31"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. e3 Nf6 4. Be2 Nc6 5. 0-0 e6 6. Nc3 a6 7. Nh4 Bg6 8. a3 Ne4 9. Nxg6 Nxc3 10. Qd3 Nxe2+ 11. Qxe2 hxg6 12. b3 Ne7 13. c4 Nf5 14. Bb2 Qh4 15. h3 0-0-0 16. Rac1 Qg5 17. Kh2 Bd6+ 18. f4 Qh4 19. Rf3 g5 20. c5 g4 21. Rff1 Qg3+ 22. Kg1 Rxh3 23. cxd6 Nxd6 24. Qc2 c6 25. Rf2 Ne4 26. Kf1 Rh2 27. Kg1 Rdh8 28. Kf1 Rh1+ 29. Ke2 Qxf2+ 30. Kd3 Qg3 31. Qb1 Qxg2 32. Qc2 Qf3 33. Rxh1 Rxh1 34. Qe2 Rd1+ 0-1

[Event "Natal Elo-C"]
[Site "Natal"]
[Date "2008.02.05"]
[Round "6"]
[White "Kosminsky, Mauricio"]
[Black "Ferreira, Jonas Jacques"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "64"]
[EventDate "2008.01.31"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. Nc3 Nf6 5. d3 Bc5 6. 0-0 Na5 7. Nxe5 Nxc4 8. Nxc4 0-0 9. e5 Ne8 10. d4 Be7 11. Ne4 b6 12. Bf4 d5 13. exd6 cxd6 14. d5 Bb7 15. Ne3 Qd7 16. Qd4 Nf6 17. f3 Rfe8 18. Ng3 Qb5 19. c4 Qc5 20. Nc2 Rac8 21. Rac1 Qxc4 22. Nf5 Qxd4+ 23. Ncxd4 Ba6 24. Rfe1 Rxc1 25. Rxc1 Nxd5 26. Bxd6 Bxd6 27. Nxd6 Rd8 28. N6b5 Rd7 29. a3 Nf4 30. Rc7 Rd5 31. Rc4 Nd3 32. b3 Bxb5 0-1

[Event "Natal Elo-C"]
[Site "Natal"]
[Date "2008.02.04"]
[Round "5"]
[White "Ferreira, Jonas Jacques"]
[Black "Kosminsky, Ellen"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "50"]
[EventDate "2008.01.31"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 Nf6 4. Nbd2 Bf5 5. c4 e6 6. cxd5 exd5 7. b3 Nb4 8. e4 dxe4 9. Nxe4 Bxe4 10. Nd2 Nc2+ 11. Ke2 Nxa1 12. Bb2 Nc2 13. Nxe4 Nxe4 14. Qxc2 Nf6 15. f3 Be7 16. Kf2 0-0 17. Bd3 Qd7 18. Re1 Rad8 19. Kg1 Rfe8 20. Rd1 Bb4 21. Bf5 Qc6 22. Qf2 Bc3 23. Rc1 Bxd4 24. Qxd4 Rxd4 25. Rxc6 Rd1+ 0-1

[Event "Natal Elo-C"]
[Site "Natal"]
[Date "2008.02.03"]
[Round "4"]
[White "Jordao Barbosa, Marcio Ferre"]
[Black "Ferreira, Jonas Jacques"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1838"]
[PlyCount "67"]
[EventDate "2008.01.31"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Bd6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 0-0 8. h3 Nc6 9. Be3 Re8 10. 0-0-0 Ne5 11. g3 Nxf3 12. Qxf3 Be5 13. Bd2 c6 14. Re1 d6 15. d4 Qd7 16. dxe5 dxe5 17. Ne4 Nxe4 18. Qxe4 Qd6 19. f4 f6 20. fxe5 Rxe5 21. Qg2 Rxe1+ 22. Bxe1 Qe6 23. Qe2 Qf7 24. a3 Bd7 25. b3 Re8 26. Qd2 b5 27. h4 Qe7 28. Bd3 Qxa3+ 29. Kb1 Ra8 30. Bxh7+ Kxh7 31. Qxd7 a5 32. Bc3 Rf8 33. Qxc6 b4 34. Bb2 1-0

[Event "Natal Elo-C"]
[Site "Natal"]
[Date "2008.02.02"]
[Round "3"]
[White "Damasceno, Alecio Souza"]
[Black "Ferreira, Jonas Jacques"]
[Result "1-0"]
[ECO "A23"]
[WhiteElo "1853"]
[PlyCount "72"]
[EventDate "2008.01.31"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Be7 4. Bg2 c6 5. e3 d5 6. cxd5 cxd5 7. Nge2 0-0 8. 0-0 Nc6 9. a3 b6 10. b4 Bb7 11. Bb2 Rc8 12. Rc1 Ba6 13. b5 Bb7 14. bxc6 Bxc6 15. Qb3 d4 16. exd4 exd4 17. Nb5 Ne4 18. Bxe4 Bxe4 19. Nxa7 Qd7 20. Nxc8 d3 21. Nxe7+ Qxe7 22. Nf4 Qd7 23. Qc3 Qg4 24. Nh5 f6 25. Nf4 Qf3 26. Qc4+ Rf7 27. Qxe4 Qxe4 28. Rfe1 Qf5 29. Ne6 h6 30. Rc8+ Kh7 31. Nf8+ Rxf8 32. Rxf8 Qb5 33. Bc3 Qb3 34. Re7 Kg6 35. Rff7 Qxa3 36. Rxg7+ Kf5 1-0

[Event "Natal Elo-C"]
[Site "Natal"]
[Date "2008.02.01"]
[Round "2"]
[White "Ferreira, Jonas Jacques"]
[Black "Rodrigues, Flavio Leite"]
[Result "1-0"]
[ECO "D05"]
[BlackElo "1866"]
[PlyCount "77"]
[EventDate "2008.01.31"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. Nbd2 c5 5. c3 Nc6 6. Be2 Bd6 7. 0-0 0-0 8. Qc2 a6 9. e4 cxd4 10. cxd4 Nb4 11. Qb1 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nd5 14. Ne5 Nf6 15. Qd3 Bd7 16. Nxd7 Qxd7 17. b3 Rac8 18. Bb2 Nd5 19. a3 Nf4 20. Qe4 Nxe2+ 21. Qxe2 Bb8 22. Qg4 Rc2 23. Rab1 Qd5 24. Bc1 Kh8 25. Rd1 Rfc8 26. Bd2 Qd6 27. g3 Qxa3 28. d5 exd5 29. Qf3 Qe7 30. Qxd5 Ba7 31. Re1 Qf6 32. Re2 Qc6 33. Qxf7 Rg8 34. Rbe1 Qc7 35. Re7 Qd6 36. Re8 Bxf2+ 37. Kxf2 Rxd2+ 38. R1e2 Rxe2+ 39. Kxe2 1-0

[Event "Natal Elo-C"]
[Site "Natal"]
[Date "2008.01.31"]
[Round "1"]
[White "De Souza, Silva Othon Jose"]
[Black "Ferreira, Jonas Jacques"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2076"]
[PlyCount "45"]
[EventDate "2008.01.31"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 e6 3. c4 Nc6 4. cxd5 exd5 5. Qb3 Nge7 6. h3 Nd4 7. Qa4+ Nec6 8. Nf3 b5 9. Qd1 Bc5 10. Nxd4 Nxd4 11. Nc3 Qf6 12. Nxd5 Nc2+ 13. Qxc2 Qxf2+ 14. Kd1 Qxg2 15. Nxc7+ Kd8 16. Qxc5 Qxh1+ 17. Kc2 Qe4+ 18. d3 Qxe2+ 19. Bd2 Qg2 20. Nxa8 Qxa8 21. Ba5+ Kd7 22. Qc7+ Ke8 23. Qd8# 1-0

