[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.01"]
[Round "1"]
[White "Silva, Celso Renato"]
[Black "Limp, Eduardo Thelio"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2196"]
[BlackElo "2389"]
[PlyCount "65"]
[EventDate "2009.02.01"]
[SourceDate "2009.02.01"]

1. Nf3 d5 2. e4 c6 3. exd5 cxd5 4. d4 Nf6 5. Be2 Nc6 6. O-O Bg4 7. c3 e6 8.
Nbd2 Bd6 9. h3 Bh5 10. Qa4 O-O 11. Bb5 Qc7 12. c4 dxc4 13. Bxc6 bxc6 14. g4 Bg6
15. Nxc4 Bd3 16. Re1 Bxc4 17. Qxc4 Rfc8 18. Bd2 Nd5 19. Ne5 Qb7 20. Nd3 Qe7 21.
Re4 Qh4 22. Kg2 f5 23. Rxe6 fxg4 24. Rxd6 Qxh3+ 25. Kg1 g3 26. Rxd5 Qh2+ 27.
Kf1 g2+ 28. Ke2 cxd5 29. Qxd5+ Kh8 30. Qg5 Re8+ 31. Be3 Rac8 32. Kd2 Rc6 33.
Nf4 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.01"]
[Round "1"]
[White "Santos, Marcus Vinicius"]
[Black "Guimarães, Wagner  Peixoto"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2393"]
[BlackElo "2253"]
[PlyCount "71"]
[EventDate "2009.02.01"]
[SourceDate "2009.02.01"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Na6 7. O-O e5 8. Be3
c6 9. Qd2 Bg4 10. h3 exd4 11. Bxd4 Bc8 12. Rfe1 Re8 13. Bf1 c5 14. Be3 Be6 15.
Rad1 Qa5 16. Bh6 Bh8 17. Qxd6 Rad8 18. Qf4 Rxd1 19. Rxd1 Nh5 20. Qd2 Bxc3 21.
Qxc3 Qxc3 22. bxc3 Nf6 23. Ng5 Bc8 24. f4 Nh5 25. e5 Ng3 26. Bd3 Rd8 27. Kf2
Bf5 28. Bxf5 Rxd1 29. e6 f6 30. e7 Nc7 31. Be6+ Kh8 32. Nf7+ Kg8 33. Kxg3 Re1
34. Nd8+ Kh8 35. Kf2 Ra1 36. Bf7 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.01"]
[Round "1"]
[White "Guerrero, Alvaro"]
[Black "Medeiros Jr, Jorge"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2178"]
[BlackElo "2295"]
[PlyCount "63"]
[EventDate "2009.02.01"]
[SourceDate "2009.02.01"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. Nxb5 Ba6 7. Nc3 g6 8. Nf3
Bg7 9. e4 Bxf1 10. Kxf1 d6 11. h3 O-O 12. Kg1 Nbd7 13. Kh2 Qb6 14. Re1 Rfb8 15.
Re2 Ne8 16. Qc2 Nc7 17. a4 Qb3 18. Qd3 c4 19. Qe3 Qb6 20. Qg5 Bf6 21. Qh6 Bg7
22. Qh4 Re8 23. Be3 Qb4 24. Nd4 Bxd4 25. Bxd4 f6 26. f4 Nc5 27. e5 Nb3 28. exf6
Nxd4 29. f7+ Kxf7 30. Qxh7+ Kf8 31. Ne4 e5 32. Ng5 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.01"]
[Round "1"]
[White "Perdomo, Leandro"]
[Black "Chauca, José"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2387"]
[BlackElo "2173"]
[PlyCount "51"]
[EventDate "2009.02.01"]
[SourceDate "2009.02.01"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 Bb7 5. Qc2 Qa5+ 6. Bd2 b4 7. e4 d6 8. Bd3 g6
9. a3 Bg7 10. Qb3 Nfd7 11. Ra2 Qb6 12. axb4 cxb4 13. Qxb4 Qc7 14. Qa5 Nb6 15.
Bc3 f6 16. Nd4 Qc8 17. b4 N8d7 18. Ne6 Kf7 19. c5 Nxd5 20. exd5 Bxd5 21. Nc7
Bxg2 22. Rg1 Qb7 23. Nxa8 Rxa8 24. Qb5 Qf3 25. Nd2 Qh3 26. Rxg2 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.01"]
[Round "1"]
[White "Cunha, Eduardo Arruda"]
[Black "Saldano, Horacio"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2206"]
[BlackElo "2450"]
[PlyCount "67"]
[EventDate "2009.02.01"]
[SourceDate "2009.02.01"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. Bd3 b5 11. Rhe1 Bb7 12. Qg3 b4 13. Nd5 exd5 14. exd5 Kd8
15. Nc6+ Bxc6 16. dxc6 Nc5 17. Bh4 g6 18. Rxe7 Qxe7 19. Re1 Ne6 20. f5 gxf5 21.
Bxf6 Qxf6 22. Qxd6+ Ke8 23. c7 Rc8 24. Bxa6 Qe7 25. Qc6+ Qd7 26. Qc5 Rxc7 27.
Qe5 Ke7 28. Qxh8 Qc6 29. Bd3 Qd6 30. Kb1 Qxh2 31. Bxf5 Qh4 32. Qe5 Rc6 33. Qe4
Qxe4 34. Bxe4 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "2"]
[White "Silva, Celso Renato"]
[Black "Santos, Marcus Vinicius"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2196"]
[BlackElo "2393"]
[PlyCount "82"]
[EventDate "2009.??.??"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. e3 b5 6. cxd5 cxd5 7. Be2 Bb7 8. O-O
e6 9. Ne5 Nbd7 10. f4 Bd6 11. a3 O-O 12. Bd2 Ne4 13. Nxe4 dxe4 14. Bc3 f6 15.
Nxd7 Qxd7 16. Qd2 Rfc8 17. Rac1 Bd5 18. Ba5 Qb7 19. Bb4 Qd7 20. Bxd6 Qxd6 21.
b4 Bc4 22. Bxc4 bxc4 23. Rc3 Qd5 24. Qe2 Rc6 25. Rfc1 Rac8 26. h4 R8c7 27. a4
Rc8 28. g4 g6 29. Kg2 e5 30. dxe5 fxe5 31. Rd1 Qe6 32. fxe5 Qxe5 33. Rd4 Rf8
34. Rcxc4 Rf3 35. Qe1 Rxc4 36. Rxc4 Qe6 37. Qg3 Rxg3+ 38. Kxg3 Qxc4 39. b5 axb5
40. axb5 Qxb5 41. Kf4 Qd5 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "2"]
[White "Chauca, Jose"]
[Black "Cunha, Eduardo Arruda"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2173"]
[BlackElo "2206"]
[PlyCount "94"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 a6 5. Bc4 e6 6. O-O Nc6 7. d4 cxd4 8. Nxd4
Nf6 9. Re1 Be7 10. Nc3 O-O 11. b3 Rc8 12. Bb2 Qb6 13. Nxc6 Rxc6 14. a5 Qc7 15.
h3 Rc8 16. Qd2 Rc5 17. Nd1 Bb5 18. Bd4 Rh5 19. Bxb5 axb5 20. Ra2 e5 21. Bb6 Qc6
22. Qe2 Rh4 23. f3 Rh6 24. Ne3 Qd7 25. Nf5 Rg6 26. Nxe7+ Qxe7 27. Qxb5 Nh5 28.
Be3 Qh4 29. Re2 Qxh3 30. Qxb7 Rf8 31. Rf2 Qh4 32. Kf1 Qh1+ 33. Ke2 Rxg2 34.
Rxg2 Qxg2+ 35. Kd1 Qxf3+ 36. Kd2 Ng3 37. Bb6 Qf4+ 38. Kc3 Ne2+ 39. Kb4 Qd2+ 40.
Ka3 Qc1+ 41. Kb4 Qb1 42. Ra4 Qxc2 43. a6 Qc3+ 44. Ka3 Nc1 45. Ba5 Qa1+ 46. Kb4
Qb2 47. Kc4 Qd4+ 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "2"]
[White "Guimarães, Wagner"]
[Black "Guerrero, Alvaro"]
[Result "1-0"]
[ECO "B58"]
[WhiteElo "2253"]
[BlackElo "2178"]
[PlyCount "73"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nf3 h6 8. O-O
Be7 9. h3 O-O 10. Re1 a6 11. a4 Be6 12. Bf1 Rc8 13. b3 Nb4 14. Bb2 Rc6 15. Nd2
Qc7 16. Nc4 Rd8 17. Qb1 Nh5 18. a5 f6 19. Ra4 d5 20. exd5 Nxd5 21. Nxd5 Bxd5
22. Ne3 Be6 23. Be2 Nf4 24. Bf3 Rcd6 25. Ng4 Bf7 26. Ne3 Rd2 27. Bc1 R2d7 28.
Bg4 Rd4 29. Rxd4 exd4 30. Nf5 Bb4 31. Re4 Ng6 32. Bb2 Bc5 33. Bxd4 Bd5 34. Re3
Qf4 35. g3 Qc7 36. c4 Bf7 37. b4 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "2"]
[White "Medeiros, Jorge"]
[Black "Perdomo, Leandro"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2295"]
[BlackElo "2387"]
[PlyCount "70"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. Bf4 c5 6. e4 cxd4 7. Nxd4 d6 8. Nc2
Nc6 9. Be2 Be6 10. Ne3 Nd7 11. Rc1 Nc5 12. f3 Nd4 13. O-O a5 14. Kh1 Bd7 15.
Ned5 e5 16. Be3 f5 17. g3 Nce6 18. Qd2 Bc6 19. Kg2 f4 20. gxf4 exf4 21. Bf2
Qg5+ 22. Kh1 Qh5 23. Qd1 Rf7 24. Rg1 Kh8 25. Rg4 Qe5 26. Qd2 g5 27. Rcg1 h5 28.
R4g2 g4 29. Qd1 Nxe2 30. Qxe2 Ng5 31. Qd3 Nxf3 32. Rd1 Ng5 33. Nxf4 Qxf4 34.
Bg3 Nxe4 35. Nd5 Qf3 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "2"]
[White "Limp, Eduardo"]
[Black "Saldaño, Horacio"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2389"]
[BlackElo "2450"]
[PlyCount "74"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. d4 e6 2. Nf3 d5 3. c3 Bd6 4. g3 f5 5. Bf4 Bxf4 6. gxf4 Nf6 7. e3 O-O 8. Nbd2
Ne4 9. h4 Nd7 10. Ne5 Nxe5 11. fxe5 c5 12. f4 Nxd2 13. Qxd2 Qc7 14. dxc5 Qxc5
15. Qd4 Qe7 16. O-O-O Bd7 17. Kb1 a5 18. h5 b5 19. h6 g6 20. Bd3 Bc6 21. Rdg1
Rab8 22. Rh2 Rfc8 23. b4 a4 24. Kb2 Be8 25. a3 Kh8 26. Kc2 Kg8 27. Kb2 Kh8 28.
Be2 Rc7 29. Bd3 Kg8 30. Be2 Kh8 31. Qd2 Rbc8 32. Rc1 Kg8 33. Bd3 Kh8 34. Qe2
Rb8 35. Qf2 Kg8 36. Kc2 Rbc8 37. Kb2 Rb8 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "3"]
[White "Perdomo, Leandro"]
[Black "Guimarães, Wagner"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2387"]
[BlackElo "2253"]
[PlyCount "20"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. d4 Nf6 2. Bg5 e6 3. Nf3 Be7 4. Nbd2 c5 5. c3 cxd4 6. cxd4 O-O 7. e3 h6 8.
Bh4 b6 9. Bd3 Bb7 10. O-O d6 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "3"]
[White "Saldaño, Horacio"]
[Black "Chauca, José"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2450"]
[BlackElo "2173"]
[PlyCount "51"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 b5 6. Bd3 Qb6 7. Nf3 d6 8. a4
b4 9. a5 Qc7 10. Na4 Qxa5 11. Be3 Qc7 12. Nb6 Bb7 13. Nxa8 Bxa8 14. Bb5+ Bc6
15. Bxc6+ Qxc6 16. O-O Qxe4 17. Ba7 Nc6 18. Rxa6 Qc4 19. Qa1 Nge7 20. Be3 f6
21. Rd1 Ne5 22. Nxe5 dxe5 23. Ra8+ Kf7 24. Qa4 g5 25. Qe8+ Kg7 26. Rd7 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "3"]
[White "Cunha, Eduardo Arruda"]
[Black "Medeiros, Jorge"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2206"]
[BlackElo "2295"]
[PlyCount "59"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 g6 7. Be3 Bg7 8. Qd2
O-O 9. Bc4 Bd7 10. O-O-O Qb8 11. h4 Rc8 12. Bb3 b5 13. a3 a5 14. Nd5 Nxd5 15.
Bxd5 b4 16. a4 Nxd4 17. Bxd4 Bxa4 18. b3 Bxb3 19. Bxb3 a4 20. Bd5 b3 21. c3 a3
22. Bxg7 Kxg7 23. Bxa8 Qxa8 24. h5 Qa5 25. hxg6 Rxc3+ 26. Kb1 hxg6 27. Rc1
Rxc1+ 28. Qxc1 e6 29. Qe3 Qb4 30. e5 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "3"]
[White "Guerrero, Alvaro"]
[Black "Silva, Celso Renato"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2178"]
[BlackElo "2196"]
[PlyCount "120"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. e3 h6 6. Be2 e6 7. O-O Nbd7 8. Nd2
Bd6 9. f4 Bc7 10. b4 dxc4 11. Nxc4 Ne4 12. Bb2 Ndf6 13. Nxe4 Bxe4 14. Nd2 Bg6
15. Qb3 Nd5 16. Rac1 O-O 17. Nc4 a6 18. Ba3 Re8 19. Bf3 b5 20. Ne5 Bxe5 21.
fxe5 Qd7 22. Bb2 a5 23. bxa5 Rxa5 24. a3 Ra4 25. Rc5 Rc4 26. Rc1 Rxc1+ 27. Bxc1
Rc8 28. Bd2 Nb6 29. Bb4 Na4 30. Rc1 Nb6 31. Bc5 Na4 32. Bd6 Nb6 33. h3 Nc4 34.
Bb4 Nb6 35. Kh2 Nd5 36. Bc5 f5 37. Bd6 Nb6 38. Bc5 Nc4 39. Be2 Nd2 40. Qa2 Ne4
41. Bb4 f4 42. exf4 Kf7 43. Bg4 h5 44. f5 hxg4 45. fxg6+ Kxg6 46. g3 gxh3 47.
Qe2 Qxd4 48. Rf1 Qxe5 49. Rf4 Qd5 50. Rxe4 Re8 51. Re5 Qg2+ 52. Qxg2 hxg2 53.
Kxg2 Kf6 54. Bc3 Kf7 55. Rc5 Rc8 56. Kf3 g6 57. Ke4 Ke7 58. Bb4 Kd7 59. Rg5 Rg8
60. Ke5 Rc8 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "3"]
[White "Santos, Marcus Vinícius"]
[Black "Limp, Eduardo"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "2393"]
[BlackElo "2389"]
[PlyCount "114"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. d4 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. h3
Nc6 9. Bd3 Bf5 10. Bxf5 gxf5 11. g4 Ne4 12. gxf5 Qd7 13. Nh4 Kh8 14. Qh5 Bf6
15. Nf3 Nb4 16. O-O Nd3 17. Nxe4 dxe4 18. Ne5 Bxe5 19. Bxe5+ f6 20. Bg3 Rg8 21.
h4 Rac8 22. Kh2 Rc2 23. b3 Qd5 24. Rg1 Nxf2 25. Bxf2 Rxf2+ 26. Kh1 Rf3 27. Rg4
Rh3+ 28. Kg2 Rxe3 29. Rg1 Rc3 30. Kh1 e3+ 31. R1g2 Rc1+ 32. Kh2 Qd6+ 33. R2g3
Rcc8 34. Kh3 Qd5 35. Rxg8+ Rxg8 36. Rxg8+ Qxg8 37. Qh6 e2 38. Qe3 Qd5 39. Qxe2
Qxf5+ 40. Kg3 e6 41. Qc4 Qe4 42. Qa4 Kg7 43. Qxa7 f5 44. Qc5 Qg4+ 45. Kf2 Qxh4+
46. Ke3 Qe4+ 47. Kf2 Kg6 48. Qc4 h5 49. Qa4 Kg5 50. Qd7 Kh4 51. Qd6 f4 52. Qe7+
Kh3 53. Qc5 Qe3+ 54. Kf1 Kg4 55. Qe7 Qd3+ 56. Ke1 Qxd4 57. Kf1 Kf3 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "4"]
[White "Santos, Marcus Vinícius"]
[Black "Guerrero, Alvaro"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2393"]
[BlackElo "2178"]
[PlyCount "102"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. b4 Nh5 10. Re1 f5 11. Ng5 Nf6 12. Bf3 fxe4 13. Ncxe4 Nf5 14. Nxf6+ Bxf6
15. Ne4 Nd4 16. Bb2 Nxf3+ 17. Qxf3 Bg7 18. Qe2 Bf5 19. Qd2 Qh4 20. f3 Bh6 21.
Qf2 Qxf2+ 22. Kxf2 a5 23. b5 b6 24. Bc1 Bxc1 25. Raxc1 h6 26. Nd2 g5 27. Ke3
Rae8 28. g3 Bg6 29. Rf1 Rf6 30. Rf2 Ref8 31. Rcf1 R8f7 32. a3 Kf8 33. Rh1 Bh5
34. Rhf1 Bg6 35. Rh1 Bh5 36. h4 g4 37. Rg1 Bg6 38. Rgf1 gxf3 39. Nxf3 Ke7 40.
Nd2 Rxf2 41. Rxf2 Rxf2 42. Kxf2 Kf6 43. g4 Bc2 44. Ke3 Bd1 45. Ne4+ Kf7 46. g5
Bc2 47. Nf6 Bf5 48. Kd2 hxg5 49. hxg5 Ke7 50. Ke3 Kf7 51. Kd2 Ke7 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "4"]
[White "Guimarães, Wagner"]
[Black "Cunha, Eduardo Arruda"]
[Result "0-1"]
[ECO "B82"]
[WhiteElo "2253"]
[BlackElo "2206"]
[PlyCount "66"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 Nc6 8. Nf3
e6 9. O-O Be7 10. Qe1 O-O 11. Qg3 Nb4 12. Bd2 Nh5 13. Qh3 Nxf4 14. Bxf4 e5 15.
Qg3 exf4 16. Qxf4 Bd7 17. a3 Nxd3 18. cxd3 Be6 19. d4 Qb6 20. Nd5 Bxd5 21. exd5
Qxb2 22. Qe3 Bf6 23. Rab1 Qa2 24. Qb3 Qxb3 25. Rxb3 b5 26. Rc1 Rfe8 27. Rc6 Be7
28. a4 bxa4 29. Ra3 Reb8 30. Rxa4 a5 31. Kf2 g6 32. Rc7 Kf8 33. g4 Rb5 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "4"]
[White "Medeiros, Jorge"]
[Black "Saldaño, Horacio"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2295"]
[BlackElo "2450"]
[PlyCount "70"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Bg7 5. d4 d6 6. h3 b6 7. Be2 Nf6 8. d5 Na5
9. e4 O-O 10. O-O e5 11. Ne1 Ne8 12. f4 f5 13. fxe5 dxe5 14. b3 Nd6 15. Bd3 f4
16. Be2 h5 17. Nd3 Qe7 18. Bf3 Rf7 19. Qe2 Bd7 20. Bd2 Nab7 21. a4 a5 22. Nd1
Bf6 23. Bc3 Re8 24. Qb2 Bh8 25. Kf2 Rh7 26. Ke2 g5 27. N1f2 Qg7 28. Kd2 g4 29.
hxg4 hxg4 30. Rh1 Rxh1 31. Rxh1 Nf7 32. Bd1 g3 33. Nh3 Bxh3 34. gxh3 Qh7 35.
Bf3 Ng5 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "4"]
[White "Silva, Celso Renato"]
[Black "Perdomo, Leandro"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2196"]
[BlackElo "2389"]
[PlyCount "72"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. Nf3 Nf6 2. g3 g6 3. d4 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 a5 7. Bb2 c6 8. Nbd2
a4 9. a3 axb3 10. c4 Nbd7 11. Qxb3 Qc7 12. e4 e5 13. d5 Nc5 14. Qc2 Na4 15. Qb3
Nd7 16. Ne1 Ndc5 17. Qc2 f5 18. f3 Qb6 19. Rb1 Nxe4+ 20. c5 Qxc5+ 21. Qxc5
Nexc5 22. dxc6 Nxb2 23. cxb7 Bxb7 24. Rxb2 Ba6 25. Rb6 e4 26. fxe4 Bd4+ 27. Kh1
Bxf1 28. Bxf1 Nxe4 29. Nxe4 Bxb6 30. Nxd6 Rxa3 31. Bc4+ Kg7 32. Kg2 Rd8 33. Nb5
Rd2+ 34. Kh3 g5 35. Nxa3 g4+ 36. Kh4 Bd8+ 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.03"]
[Round "4"]
[White "Limp, Eduardo"]
[Black "Chauca, José"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2389"]
[BlackElo "2173"]
[PlyCount "128"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.03"]

1. d4 g6 2. Nf3 Bg7 3. e4 d6 4. c3 c6 5. Nbd2 Nf6 6. Be2 O-O 7. O-O Bg4 8. Qc2
Nbd7 9. h3 Bxf3 10. Nxf3 e5 11. dxe5 dxe5 12. Be3 Qc7 13. a4 a5 14. Rfd1 Rfe8
15. Bc4 h6 16. Qb3 Re7 17. Nh4 Kf8 18. f3 b6 19. g4 Nc5 20. Qa3 Nfd7 21. Rd2
Ke8 22. Rad1 Bf6 23. Ng2 Bg5 24. h4 Bxe3+ 25. Nxe3 Nf8 26. Ba2 Rd7 27. Rxd7
Nfxd7 28. Nc4 Nb7 29. Qb3 Ra6 30. Qc2 Nf8 31. Qd2 b5 32. axb5 cxb5 33. Ne3 Qc5
34. Kf1 Rf6 35. Kg2 Rd6 36. Nd5 Ne6 37. Qxh6 Nf4+ 38. Kf1 Rxd5 39. Rxd5 Qe3 40.
Qh8+ Ke7 41. Qxe5+ Kf8 42. Qh8+ Ke7 43. Re5+ Kd7 44. Qe8+ Kc7 45. Re7+ Kb6 46.
Rxb7+ Kxb7 47. Qxb5+ Ka7 48. Qxa5+ Kb7 49. Qb5+ Kc7 50. Qc4+ Kb8 51. Qb4+ Kc7
52. Qe7+ Kb6 53. Qd6+ Kb7 54. Qd7+ Kb8 55. Qe8+ Kc7 56. Qxf7+ Kd8 57. Qf6+ Kc7
58. Qe5+ Kb7 59. Bd5+ Kc8 60. Qe8+ Kc7 61. Qe7+ Kc8 62. Be6+ Kb8 63. Qd8+ Kb7
64. Bd5+ Nxd5 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.04"]
[Round "5"]
[White "Perdomo, Leandro"]
[Black "Santos, Marcus Vinícius"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "2387"]
[BlackElo "2393"]
[PlyCount "17"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.04"]

1. d4 d5 2. c4 Nc6 3. e3 e5 4. cxd5 Qxd5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 exd4 8.
Ne2 Nf6 9. Nxd4 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.04"]
[Round "5"]
[White "Cunha, Eduardo Arruda"]
[Black "Silva, Celso Renato"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "2206"]
[BlackElo "2196"]
[PlyCount "65"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.04"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. f3 g6 7. Be3 Bg7 8. Qd2
Bd7 9. Bc4 a6 10. Bb3 Na5 11. O-O-O Nxb3+ 12. cxb3 b5 13. Kb1 Qa5 14. g4 Rd8
15. h4 e5 16. Nde2 Be6 17. Bh6 Rg8 18. Bxg7 Rxg7 19. h5 gxh5 20. g5 Ng8 21.
Rxh5 f5 22. Ng3 f4 23. Nf5 Rgd7 24. Qh2 Qc7 25. Nh6 Kf8 26. Nxg8 Kxg8 27. g6
Rg7 28. gxh7+ Rxh7 29. Rg1+ Kh8 30. Rg6 Bg8 31. Qh4 Qf7 32. Rxh7+ Bxh7 33.
Qxd8+ 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.04"]
[Round "5"]
[White "Guerrero, Alvaro"]
[Black "Limp, Eduardo"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2178"]
[BlackElo "2389"]
[PlyCount "72"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.05"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 h6 7. cxd5 exd5 8.
e3 O-O 9. Bd3 Re8 10. Ne2 b6 11. O-O Ba6 12. Bxa6 Nxa6 13. Qd3 Qc8 14. Rf2 c5
15. g4 Nc7 16. h4 Ne6 17. Bd2 cxd4 18. exd4 Qc4 19. Qf5 Nc5 20. Nc1 Na4 21. g5
Nh7 22. gxh6 g6 23. Rg2 Re6 24. h5 Rf6 25. Qe5 Qc6 26. hxg6 Rxg6 27. Rxg6+
Qxg6+ 28. Kf2 Nf6 29. Ne2 Re8 30. Qh2 Ng4+ 31. fxg4 Qd3 32. h7+ Kh8 33. Kf1
Qxd2 34. Qf2 Kg7 35. Re1 Nb2 36. Ng3 Qxf2+ 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.04"]
[Round "5"]
[White "Saldaño, Horacio"]
[Black "Guimarães, Wagner"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "2450"]
[BlackElo "2253"]
[PlyCount "85"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.05"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxe5 c6 6. Bd3 d5 7. O-O Bd6 8. f4
Bxe5 9. fxe5 Ng4 10. exd5 Qh4 11. h3 Nxe5 12. Qe1 Qxe1 13. Rxe1 f6 14. Re4 Nf5
15. dxc6 bxc6 16. Bf1 c5 17. d3 Bb7 18. Rf4 Nd4 19. Rf2 O-O-O 20. Bf4 Ng6 21.
Bh2 Rhe8 22. Na4 Ne6 23. b3 h5 24. a3 Bc6 25. Nb2 Nd4 26. Nc4 Re6 27. b4 Rd5
28. c3 Nb5 29. Rc1 Rg5 30. a4 Nc7 31. b5 Ba8 32. Nd6+ Kd7 33. Ne4 Bxe4 34. dxe4
Ne5 35. Bf4 Rg6 36. Be3 a6 37. Bxc5 Kc8 38. Bd4 a5 39. c4 Re7 40. c5 Ne6 41.
Bxe5 fxe5 42. b6 Nf4 43. Ba6+ 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.04"]
[Round "5"]
[White "Chauca, Jose"]
[Black "Medeiros, Jorge"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2173"]
[BlackElo "2295"]
[PlyCount "87"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.05"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Qe2 d6 8. c4
Be7 9. Nc3 Nbd7 10. Nf3 b6 11. h3 O-O 12. Bf4 e5 13. Bg5 Bb7 14. Rac1 Nc5 15.
Bb1 Rac8 16. Rfd1 Qb8 17. Nh4 g6 18. Qf3 Ncd7 19. b3 Rfe8 20. Qe3 Nc5 21. Nf3
Qa8 22. Bxf6 Bxf6 23. Rxd6 Be7 24. Rdd1 Bf8 25. Nd5 Bxd5 26. Rxd5 f6 27. b4 Na4
28. Qb3 Qc6 29. a3 Kg7 30. Ba2 Rc7 31. Rcd1 Be7 32. g4 h6 33. Kg2 b5 34. c5 Qe6
35. R1d2 h5 36. gxh5 g5 37. Nh2 Rh8 38. Qf3 Qc8 39. Nf1 Qe8 40. Ng3 Rh7 41. Bb3
a5 42. Bd1 Kh8 43. Qd3 Qf7 44. Bg4 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.05"]
[Round "6"]
[White "Guerrero, Alvaro"]
[Black "Perdomo, Leandro"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2178"]
[BlackElo "2187"]
[PlyCount "60"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.05"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 b5 6. e4 bxc4 7. Bxc4 Nxd5 8. Bxd5
exd5 9. exd5 Ba6 10. Nge2 O-O 11. Kf2 d6 12. g3 Nd7 13. Qa4 Bc4 14. Rd1 Re8 15.
a3 Nb6 16. Qc2 Bxc3 17. Nxc3 Qf6 18. Rb1 Re5 19. Ne4 Qg6 20. Bf4 Rh5 21. g4
Rxd5 22. Bxd6 Rd8 23. Rxd5 Bxd5 24. Bxc5 f5 25. gxf5 Qxf5 26. Qd3 Re8 27. Re1
Bxe4 28. Qb3+ Kh8 29. Bxb6 axb6 30. Qc4 Qxf3+ 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.05"]
[Round "6"]
[White "Guimaraes, Wagner"]
[Black "Chauca, Jose"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2253"]
[BlackElo "2173"]
[PlyCount "93"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.05"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 d6 6. Be3 Nf6 7. g4 h6 8. h3
Be7 9. Bg2 Qc7 10. Qe2 Nc6 11. O-O-O Nxd4 12. Rxd4 e5 13. Rc4 Qb8 14. Rd1 Be6
15. Nd5 Nxd5 16. exd5 Bd7 17. Qd2 b5 18. Rc6 Bxc6 19. dxc6 Qc7 20. Bd5 Bg5 21.
Bxg5 hxg5 22. Qxg5 Rxh3 23. Qxg7 O-O-O 24. g5 Kb8 25. Qxf7 Qxf7 26. Bxf7 Rf3
27. g6 Rxf7 28. gxf7 Kc7 29. f4 exf4 30. Rf1 Kxc6 31. Rxf4 Rf8 32. Rf5 Kd7 33.
Kd2 Ke6 34. Rf1 Rxf7 35. Rxf7 Kxf7 36. Kc3 a5 37. a4 b4+ 38. Kc4 Ke6 39. b3 Ke5
40. Kb5 Kd4 41. Kxa5 Kc3 42. Kb5 d5 43. a5 d4 44. a6 Kxc2 45. a7 d3 46. a8=Q d2
47. Qg2 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.05"]
[Round "6"]
[White "Limp, Eduardo"]
[Black "Medeiros, Jorge"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2389"]
[BlackElo "2295"]
[PlyCount "25"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.05"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. h3 e5 7. dxe5 dxe5 8. Qxd8
Rxd8 9. Nd5 Nxd5 10. cxd5 c6 11. Bc4 b6 12. Bg5 f6 13. dxc6+ 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.05"]
[Round "6"]
[White "Silva, Celso Renato"]
[Black "Saldaño, Horacio"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2196"]
[BlackElo "2450"]
[PlyCount "72"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.05"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 d6 5. O-O O-O 6. Nbd2 Nbd7 7. e3 a5 8. c4
e5 9. Qc2 Re8 10. dxe5 dxe5 11. e4 Nc5 12. Ne1 Bg4 13. Nb3 Bd1 14. Qd2 Qxd2 15.
Nxd2 Be2 16. f3 Bxf1 17. Kxf1 Red8 18. Ke2 Nfd7 19. b3 Ne6 20. Bb2 a4 21. b4 a3
22. Bc3 Nb6 23. Rb1 Na4 24. Ba1 Nd4+ 25. Ke3 Bh6+ 26. f4 exf4+ 27. gxf4 Ne6 28.
Be5 Bxf4+ 29. Bxf4 Nxf4 30. Kxf4 Rxd2 31. Rb3 Rxa2 32. Bf3 Nb6 33. e5 c6 34. c5
Nd5+ 35. Bxd5 cxd5 36. Rg3 Re2 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.05"]
[Round "6"]
[White "Santos, Marcus Vinícius"]
[Black "Cunha, Eduardo Arruda"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2393"]
[BlackElo "2206"]
[PlyCount "66"]
[EventDate "2009.??.??"]
[SourceDate "2009.02.05"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. b4 Nh5 10. Re1 f5 11. Ng5 Nf6 12. f3 Nh5 13. c5 Nf4 14. Bc4 Kh8 15. Rb1
a6 16. Kh1 h6 17. Ne6 Nxe6 18. dxe6 Nc6 19. exf5 gxf5 20. b5 Nd4 21. bxa6 bxa6
22. e7 Qxe7 23. Qxd4 exd4 24. Rxe7 dxc3 25. Bd5 Bf6 26. Rxc7 Re8 27. Bxh6 Rb8
28. Rc1 dxc5 29. Rxc5 Rb6 30. h3 Be6 31. Bxe6 Rexe6 32. Rxf5 Re2 33. g4 Rc6
1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.06"]
[Round "7"]
[White "Medeiros, Jorge"]
[Black "Guimarães, Wagner"]
[Result "1/2-1/2"]
[ECO "E52"]
[WhiteElo "2295"]
[BlackElo "2253"]
[PlyCount "14"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.07"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.06"]
[Round "7"]
[White "Cunha, Eduardo Arruda"]
[Black "Guerrero, Alvaro"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2206"]
[BlackElo "2178"]
[PlyCount "27"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.07"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Bd6 7. Bc4 Be6
8. Bxe6 fxe6 9. Bg5 Nbd7 10. O-O-O a6 11. a3 Ke7 12. h3 Rab8 13. Rd2 b5 14.
Rhd1 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.06"]
[Round "7"]
[White "Perdomo, Leandro"]
[Black "Limp, Eduardo"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2387"]
[BlackElo "2389"]
[PlyCount "19"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.07"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 Bf5 7. Qb3 Qb6 8.
Qxb6 axb6 9. Nb5 e6 10. Nf3 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.06"]
[Round "7"]
[White "Chauca, Jose"]
[Black "Silva, Celso Renato"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2173"]
[BlackElo "2196"]
[PlyCount "27"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.07"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 e5 6. c3 Nge7 7. d4 cxd4 8.
cxd4 h6 9. Nc3 a6 10. Bxc6 Nxc6 11. h3 Be7 12. b3 O-O 13. Bb2 exd4 14. Nxd4
1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.06"]
[Round "7"]
[White "Saldaño, Horacio"]
[Black "Santos, Marcus Vinícius"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2450"]
[BlackElo "2393"]
[PlyCount "17"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.07"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 g6 6. cxd5 Nxd5 7. Bc4 Nb6 8.
Bb3 Bg7 9. Nf3 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.07"]
[Round "8"]
[White "Perdomo, Leandro"]
[Black "Cunha, Eduardo Arruda"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2387"]
[BlackElo "2206"]
[PlyCount "20"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.09"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bg4 6. Bg2 Qd7 7. O-O Be7 8. Nbd2
O-O-O 9. Rb1 Bf5 10. Ra1 Nb4 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.07"]
[Round "8"]
[White "Silva, Celso Renato"]
[Black "Medeiros Jr, Jorge"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2196"]
[BlackElo "2295"]
[PlyCount "38"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.09"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2
Qxb2 9. Rb1 Qa3 10. f5 Nc6 11. fxe6 fxe6 12. Nxc6 bxc6 13. Be2 Be7 14. O-O O-O
15. Rb3 Qc5+ 16. Be3 Qa5 17. Bb6 Qe5 18. Bd4 Qa5 19. Bb6 Qe5 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.07"]
[Round "8"]
[White "Guerrero, Alvaro"]
[Black "Saldano, Horacio"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2178"]
[BlackElo "2450"]
[PlyCount "180"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.09"]

1. d4 d6 2. c4 e5 3. d5 a5 4. Nc3 Na6 5. e4 g6 6. Bd3 Bg7 7. Nge2 Nf6 8. f3 Nd7
9. Be3 Bh6 10. Bf2 O-O 11. h4 Ndc5 12. g4 Nxd3+ 13. Qxd3 Nc5 14. Qc2 Bd7 15.
O-O b6 16. Kg2 f5 17. exf5 gxf5 18. g5 Bg7 19. Rae1 h6 20. Be3 hxg5 21. Bxg5
Qe8 22. Rg1 Kh8 23. h5 Qf7 24. Kf2 Rg8 25. Rh1 f4 26. Qg6 Raf8 27. Nxf4 exf4
28. Re7 Bd4+ 29. Kf1 Qxe7 30. Bxe7 Rxg6 31. hxg6+ Kg8 32. Bxf8 Kxf8 33. Rh7 Bg7
34. Rh4 Be5 35. Rh7 Be8 36. Rxc7 Bxg6 37. Rc6 Bd3+ 38. Kg2 Bxc4 39. Rxb6 Ke7
40. b3 Bd3 41. Nb5 Bb1 42. Na7 Bxa2 43. Nc6+ Ke8 44. Nxa5 Nd7 45. Ra6 Bb1 46.
Ra8+ Ke7 47. Ra7 Bf5 48. Nc4 Bd4 49. Rb7 Bd3 50. Na5 Ke8 51. Nc6 Be3 52. Rc7
Bf5 53. Na5 Bc5 54. Nb7 Ke7 55. Na5 Kf6 56. Nc4 Ne5 57. Nd2 Bd3 58. Rc8 Be3 59.
Nc4 Nxc4 60. bxc4 Ke5 61. Re8+ Kf5 62. Rf8+ Kg5 63. Rg8+ Kf6 64. Rc8 Ke7 65.
Rc6 Kd7 66. Kh3 Bc5 67. Ra6 Bxc4 68. Ra4 Bf1+ 69. Kg4 Be3 70. Rb4 Kc7 71. Rb3
Be2 72. Rc3+ Kd7 73. Rc2 Bd3 74. Rc3 Ba6 75. Kf5 Bb7 76. Ke4 Kd8 77. Rc2 Kd7
78. Rh2 Ba6 79. Rh7+ Kc8 80. Rg7 Be2 81. Rg2 Bd1 82. Rb2 Kc7 83. Rh2 Kb6 84.
Ra2 Kc5 85. Rb2 Kc4 86. Rh2 Kc3 87. Kf5 Kd4 88. Ke6 Kc5 89. Ra2 Bxf3 90. Rc2+
Kd4 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.07"]
[Round "8"]
[White "Limp, Eduardo"]
[Black "Guimarães, Wagner"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2389"]
[BlackElo "2253"]
[PlyCount "79"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.09"]

1. Nf3 Nf6 2. d4 e6 3. e3 b6 4. Be2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 d5 8. b3
Ne4 9. Nxe4 dxe4 10. Nd2 f5 11. Bb2 Bf6 12. Qc2 c5 13. dxc5 bxc5 14. Rfd1 Qc7
15. a3 Bxb2 16. Qxb2 f4 17. Bg4 Rf6 18. Nf1 Rg6 19. Bh3 Nc6 20. exf4 Nd4 21. b4
Nf3+ 22. Kh1 Rh6 23. gxf3 Rxh3 24. Qe5 Qf7 25. Ng3 exf3 26. bxc5 Rf8 27. Rab1
Rh4 28. Rd4 Qe7 29. Re1 Rf6 30. Red1 Bc6 31. f5 Rxd4 32. Rxd4 Qb7 33. Rd8+ Kf7
34. Rd1 g6 35. fxg6+ Rxg6 36. Qh8 h6 37. h3 Qe7 38. Qh7+ Kf8 39. Qh8+ Kf7 40.
Qh7+ 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.09"]
[Round "9"]
[White "Cunha, Eduardo Arruda"]
[Black "Limp, Eduardo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2389"]
[BlackElo "2206"]
[PlyCount "20"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.16"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 O-O 7. Nf1 a6 8. Bb3
Ba7 9. h3 h6 10. Be3 Be6 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.09"]
[Round "9"]
[White "Saldaño, Horacio"]
[Black "Perdomo, Leqandro"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2450"]
[BlackElo "2387"]
[PlyCount "36"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.16"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 d6 6. O-O O-O 7. d3 a5 8. Bg5
h6 9. Bxf6 Qxf6 10. Ne4 Qe7 11. Nxc5 dxc5 12. Nd2 Bd7 13. Ne4 Nd4 14. Nc3 Bc6
15. Nd5 Qd6 16. e3 Ne6 17. f4 exf4 18. exf4 f5 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.09"]
[Round "9"]
[White "Medeiros Jr, Jorge"]
[Black "Santos, Marcos"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2295"]
[BlackElo "2393"]
[PlyCount "56"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.16"]

1. d4 d5 2. Nf3 Nc6 3. g3 Bf5 4. Bg2 e6 5. O-O Nb4 6. Ne1 Nf6 7. c3 Na6 8. Nd3
Be7 9. Nd2 O-O 10. Ne5 c6 11. f3 h6 12. e4 Bh7 13. Qe2 c5 14. dxc5 dxe4 15.
Nxe4 Nxe4 16. fxe4 Qc7 17. c6 Nc5 18. cxb7 Qxb7 19. Re1 Rad8 20. Bf4 f6 21. Ng4
e5 22. Bc1 Nd3 23. Rd1 Bc5+ 24. Kh1 h5 25. Nh6+ gxh6 26. Rxd3 Qb5 27. Bf1 Rxd3
28. Qxd3 Bxe4+ 0-1

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.09"]
[Round "9"]
[White "Chauca, José"]
[Black "Alvaro, Guerrero"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2173"]
[BlackElo "2178"]
[PlyCount "92"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.16"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qc7 4. O-O Nf6 5. Re1 a6 6. Bxc6 dxc6 7. d4 cxd4 8.
Nxd4 e5 9. Nf3 Be7 10. c4 O-O 11. h3 Nd7 12. Qc2 Nc5 13. Be3 Ne6 14. Nc3 Bc5
15. Bxc5 Nxc5 16. b4 Ne6 17. c5 Bd7 18. Na4 Rad8 19. Rad1 Bc8 20. Qc3 f6 21.
Nb6 Nf4 22. Kf1 Be6 23. Ng1 Bxa2 24. g3 Ng6 25. h4 Rfe8 26. Nf3 Nf8 27. Nd2 Rd4
28. Nb3 Bxb3 29. Rxd4 exd4 30. Qxb3+ Qf7 31. Qd3 Nd7 32. Qxd4 Nxb6 33. cxb6 Qe6
34. Kg2 Re7 35. Qd8+ Kf7 36. Re3 Rd7 37. Qh8 h6 38. e5 fxe5 39. Qh7 Kf8 40.
Rf3+ Rf7 41. Qh8+ Ke7 42. Qb8 Qd7 43. Qxe5+ Kf8 44. Qb8+ Ke7 45. Qe5+ Kf8 46.
Qb8+ Ke7 1/2-1/2

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.09"]
[Round "9"]
[White "Guimarães, Wagner"]
[Black "Silva, Celso"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2253"]
[BlackElo "2196"]
[PlyCount "58"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.16"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. Bg5 e6 7. Qd2 h6 8.
Bxf6 Qxf6 9. Ndb5 Qd8 10. O-O-O Be7 11. Nxd6+ Kf8 12. f4 a6 13. e5 b5 14. Nce4
Qb6 15. Be2 a5 16. Bf3 Rb8 17. Qc3 Nb4 18. Kb1 Nd5 19. Rxd5 exd5 20. Nxc8 Qd8
21. Ned6 b4 22. Qc6 g6 23. Rd1 Kg7 24. Qxd5 Rf8 25. f5 f6 26. Nxe7 Qxe7 27. Qe6
Qc7 28. Ne8+ Rbxe8 29. Rd7+ Qxd7 1-0

[Event "Magistral M. Felix A. Sonnenfeld"]
[Site "?"]
[Date "2009.02.07"]
[Round "8"]
[White "Santos, Marcos"]
[Black "Chauca, José"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2393"]
[BlackElo "2173"]
[PlyCount "77"]
[EventDate "2009.02.07"]
[SourceDate "2009.02.19"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. cxd5 Bxf3 5. exf3 Qxd5 6. Be3 e5 7. Nc3 Bb4 8.
dxe5 Qxe5 9. Rc1 Nge7 10. a3 Ba5 11. f4 Qe6 12. b4 Bb6 13. Qe2 Qb3 14. Qc4 Qxc4
15. Bxc4 O-O 16. g4 Rfd8 17. O-O Rd7 18. Rfd1 Rad8 19. Rxd7 Rxd7 20. Ne4 h6 21.
Nc5 Bxc5 22. Bxc5 Ng6 23. Be3 a6 24. Bxa6 Nxb4 25. Bxb7 c6 26. Bxc6 Nxc6 27.
Rxc6 Nh4 28. Rc8+ Kh7 29. Rc1 g5 30. fxg5 hxg5 31. a4 Rd6 32. a5 Kg6 33. Rb1
Rd3 34. a6 Ra3 35. a7 f5 36. Kf1 f4 37. Bd4 Nf3 38. Ra1 Nxh2+ 39. Kg2 1-0