[Event "BRA-ch sf"]
[Site "Itapiruba"]
[Date "1997.06.??"]
[Round "9"]
[White "De Haro, Martim Alfonso"]
[Black "Sonnenhol, Walter"]
[Result "1/2-1/2"]
[ECO "A60"]
[WhiteElo "2165"]
[PlyCount "22"]
[EventDate "1997.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 Bd6 6. e4 0-0 7. Bd3 Re8 8. Nge2 Bc7 9. 0-0 a6 10. a4 d6 11. Bg5 Bg4 1/2-1/2

[Event "BRA-ch sf"]
[Site "Itapiruba"]
[Date "1997.06.??"]
[Round "1"]
[White "De Souza Haro, Paulo Cezar"]
[Black "Sonnenhol, Walter"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "2315"]
[PlyCount "75"]
[EventDate "1997.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. Bd3 Be7 7. 0-0 0-0 8. a3 b6 9. cxd5 exd5 10. h3 h6 11. b3 Be6 12. Ne5 Rc8 13. Ba6 cxd4 14. Bxc8 Qxc8 15. Nxc6 Qxc6 16. Qxd4 Ne4 17. Nxe4 dxe4 18. Bb2 Bf6 19. Qd2 Rd8 20. Qe2 Bxb2 21. Qxb2 Bxh3 22. gxh3 Qg6+ 23. Kh1 Qe6 24. f3 Qxh3+ 25. Qh2 Qe6 26. f4 Rd5 27. Rg1 Kh7 28. Ra2 g6 29. Qg3 Rd3 30. Rh2 Rxb3 31. Qg5 Kg8 32. Qxh6 Qf6 33. Rc1 Rc3 34. Qh7+ Kf8 35. Qh8+ Qxh8 36. Rxh8+ Kg7 37. Rxc3 Kxh8 38. Rc7 1-0

[Event "BRA-ch sf"]
[Site "Itapiruba"]
[Date "1997.06.??"]
[Round "4"]
[White "Hirota da Silva, Nilton Jose"]
[Black "Sonnenhol, Walter"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2110"]
[PlyCount "40"]
[EventDate "1997.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. e3 0-0 6. Bd3 c5 7. 0-0 Nc6 8. a3 a6 9. dxc5 dxc4 10. Bxc4 Bxc5 11. b4 Bd6 12. Bb2 b5 13. Ba2 Bb7 14. h3 Qe7 15. Qe2 Rac8 16. Rad1 Rfd8 17. Bb1 Ne5 18. e4 Bb8 19. Rxd8+ Rxd8 20. Nxe5 Bxe5 1/2-1/2

[Event "BRA-ch sf"]
[Site "Itapiruba"]
[Date "1997.06.??"]
[Round "3"]
[White "Nascimento, Tarcisio Manso Do"]
[Black "Sonnenhol, Walter"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "76"]
[EventDate "1997.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Nbd2 Bd6 6. Bxd6 Qxd6 7. Ne5 0-0 8. c3 Nbd7 9. Nxd7 Nxd7 10. Nf3 c5 11. Bd3 Bg4 12. Qc2 f5 13. 0-0-0 cxd4 14. exd4 Bxf3 15. gxf3 Qf4+ 16. Kb1 Qxf3 17. h4 Rf6 18. Qd2 Rg6 19. Qe1 Re8 20. Bb5 Re7 21. Ka1 Nf6 22. Rd3 Qf4 23. a3 Ne4 24. f3 Ng3 25. Rh3 e5 26. Ka2 e4 27. fxe4 Rxe4 28. Qd1 a6 29. Rf3 Qc7 30. Bd3 f4 31. Bxe4 dxe4 32. h5 Rb6 33. Qa4 Qf7+ 34. d5 exf3 35. Rh4 Qxd5+ 36. c4 Qc6 37. Qxc6 Rxc6 38. Rxf4 Rf6 0-1

[Event "BRA-ch sf"]
[Site "Itapiruba"]
[Date "1997.06.??"]
[Round "5"]
[White "Sonnenhol, Walter"]
[Black "Cajal, Andre"]
[Result "0-1"]
[ECO "A57"]
[BlackElo "2195"]
[PlyCount "128"]
[EventDate "1997.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. a4 bxc4 5. Nc3 d6 6. e4 g6 7. f4 Bg7 8. Nf3 0-0 9. Bxc4 Ba6 10. Qe2 Bxc4 11. Qxc4 Nbd7 12. 0-0 Rb8 13. Re1 Qa5 14. h3 h5 15. e5 Nb6 16. Qb5 Qxb5 17. Nxb5 dxe5 18. Nxe5 Nxa4 19. Nxa7 Nb6 20. Nec6 Ra8 21. Nxe7+ Kh7 22. d6 Nc4 23. Rd1 Nd7 24. Ra2 Bd4+ 25. Kh2 Nxd6 26. Nec6 Nb5 27. Ra5 Nxa7 28. Rxa7 Rxa7 29. Nxa7 Nb6 30. Nc6 Bg7 31. Be3 Nc4 32. Bxc5 Rc8 33. Rc1 Nxb2 34. Ba3 Nd3 35. Rc2 Nxf4 36. Nb4 Ra8 37. Bc1 Ne6 38. Nd3 Rh8 39. Nf2 Nd4 40. Rd2 Re8 41. Ra2 Be5+ 42. Kg1 Bg3 43. Kf1 Re6 44. Bg5 Rb6 45. Rd2 Ne6 46. Be3 Rb7 47. Ne4 Bh4 48. Ke2 Be7 49. Nd6 Bxd6 50. Rxd6 g5 51. Kf3 Kg6 52. Rb6 Rc7 53. Rb3 Rc2 54. Kg3 f5 55. Kh2 f4 56. Ba7 g4 57. hxg4 hxg4 58. Kg1 g3 59. Rb1 Ng5 60. Rf1 f3 61. Bf2 fxg2 62. Kxg2 Ne4 63. Kf3 Rxf2+ 64. Rxf2 gxf2 0-1

[Event "BRA-ch sf"]
[Site "Itapiruba"]
[Date "1997.06.??"]
[Round "2"]
[White "Sonnenhol, Walter"]
[Black "Campos, Marcelo"]
[Result "1/2-1/2"]
[ECO "A02"]
[PlyCount "66"]
[EventDate "1997.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 Nc6 3. e3 e6 4. b3 Be7 5. Bb2 0-0 6. d4 b6 7. c4 d5 8. Bd3 Nb4 9. Be2 c5 10. 0-0 Bb7 11. a3 Nc6 12. Nbd2 Ng4 13. Qc1 Nxe3 14. Rd1 Nxd1 15. Qxd1 cxd4 16. Bd3 dxc4 17. Nxc4 Bf6 18. g4 h6 19. Qe2 Na5 20. Ncd2 Bd5 21. Ne4 Nxb3 22. g5 Bxe4 23. Qxe4 g6 24. gxf6 Nxa1 25. Bxa1 Qd5 26. Qe2 Rac8 27. Bb2 Rfd8 28. Ne5 Rc7 29. Qg4 Rdc8 30. Bxg6 fxg6 31. Qxg6+ Kh8 32. Qxh6+ Kg8 33. Qg6+ Kh8 1/2-1/2

[Event "BRA-ch sf"]
[Site "Itapiruba"]
[Date "1997.06.??"]
[Round "8"]
[White "Sonnenhol, Walter"]
[Black "Toth, Peter"]
[Result "1/2-1/2"]
[ECO "E97"]
[BlackElo "2230"]
[PlyCount "23"]
[EventDate "1997.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 Nc6 7. 0-0 e5 8. dxe5 dxe5 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nd7 12. h4 1/2-1/2

[Event "BRA-ch sf"]
[Site "Itapiruba"]
[Date "1997.06.??"]
[Round "6"]
[White "Sonnenhol, Walter"]
[Black "Wolff, Carlos Alberto"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "69"]
[EventDate "1997.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Bd6 5. d3 0-0 6. Nbd2 Nbd7 7. e4 b6 8. b3 Bb7 9. Re1 dxe4 10. dxe4 e5 11. Bb2 Ne8 12. Qe2 Qe7 13. Rad1 Rd8 14. Nh4 g6 15. Bh3 Nc5 16. Ng2 Ne6 17. Ne3 Nd4 18. Qf1 c6 19. c3 Ne6 20. Ndc4 Nc5 21. Nxd6 Nxd6 22. f3 Ba6 23. c4 Ndb7 24. Rxd8 Nxd8 25. Rd1 Qc7 26. Rd2 Nde6 27. Qd1 f6 28. b4 Ng5 29. Bg2 Nce6 30. Rd7 Qb8 31. h4 Nf7 32. Bh3 Ng7 33. Kg2 Bc8 34. Rd2 Bxh3+ 35. Kxh3 1/2-1/2

[Event "BRA-ch sf"]
[Site "Itapiruba"]
[Date "1997.06.??"]
[Round "7"]
[White "Vieira, Paulo Cesar"]
[Black "Sonnenhol, Walter"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "78"]
[EventDate "1997.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 d6 7. Qd2 a6 8. f4 Nge7 9. Nge2 0-0 10. 0-0 b6 11. Rf2 Bb7 12. d4 cxd4 13. Nxd4 Qc7 14. Rd1 Rfd8 15. f5 exf5 16. g4 fxg4 17. Rdf1 Ne5 18. Bh6 Bh8 19. Qf4 Bc8 20. Bg5 Re8 21. Bh6 Bg7 22. Bxg7 Kxg7 23. Qf6+ Kg8 24. Nce2 Qd8 25. Qf4 Ra7 26. Qh6 N7c6 27. Rf6 Nxd4 28. Nxd4 Nf3+ 29. R6xf3 gxf3 30. Nxf3 f6 31. Nd4 Qc7 32. e5 Qc5 33. c3 dxe5 34. b4 Qd6 35. Nc6 Rc7 36. Qe3 Rxc6 37. Bxc6 Qxc6 38. Rd1 Be6 39. a3 Kg7 0-1

[Event "Rio do Sul JASC op"]
[Site "Rio do Sul"]
[Date "1995.10.??"]
[Round "5"]
[White "Petry, Croife"]
[Black "Sonnenhol, Walter"]
[Result "1-0"]
[ECO "E99"]
[PlyCount "54"]
[EventDate "1995.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 h5 13. Nd3 g5 14. c5 Nf6 15. Re1 a6 16. cxd6 cxd6 17. Na4 Qe8 18. Nb6 Qg6 19. Nxa8 g4 20. Qc1 Nfxd5 21. exd5 Nf5 22. fxg4 hxg4 23. Nxe5 Bxe5 24. Bd3 Qh5 25. Rd1 Re8 26. Bxf5 f3 27. Bg3 Bd4+ 1-0

