[Event "Rio de Janeiro Estadual"]
[Site "Rio de Janeiro"]
[Date "2009.01.18"]
[Round "6.6"]
[White "Da Silva, Decio Koeler"]
[Black "Fernandes, Silas Carvalho"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2210"]
[PlyCount "100"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c4 e5 3. Nc3 Nc6 4. g3 d6 5. Bg2 Nf6 6. Nge2 Be7 7. 0-0 0-0 8. d3 Ne8 9. h3 f5 10. f4 Nc7 11. Kh2 Be6 12. exf5 Bxf5 13. g4 Bg6 14. f5 Bf7 15. Be3 d5 16. cxd5 Nxd5 17. Nxd5 Bxd5 18. Nc3 Bxg2 19. Kxg2 Nd4 20. Bxd4 exd4 21. Qb3+ Kh8 22. Ne4 Qd7 23. Rae1 Rae8 24. Qc2 b6 25. b3 Bd8 26. Qf2 Qc6 27. Qf3 Qh6 28. Qf4 Qxf4 29. Rxf4 Bg5 30. Rff1 Be3 31. Re2 Rd8 32. Rfe1 Kg8 33. Ng3 Kf7 34. Nf1 Bg5 35. Kg3 Rd7 36. h4 Bd8 37. g5 Rd5 38. Rf2 Re8 39. Rxe8 Kxe8 40. Re2+ Kf7 41. Kg4 h5+ 42. gxh6 gxh6 43. Re6 h5+ 44. Kf4 Bxh4 45. Rh6 Be7 46. Rxh5 Bd6+ 47. Kg5 Kg7 48. Nd2 Be7+ 49. Kg4 Rd8 50. Ne4 Rg8 1-0

[Event "Rio de Janeiro Estadual"]
[Site "Rio de Janeiro"]
[Date "2009.01.18"]
[Round "7.4"]
[White "Rangel, Daniel"]
[Black "Da Silva, Decio Koeler"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "1991"]
[BlackElo "2210"]
[PlyCount "16"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. d3 a6 7. Be3 b6 8. d4 cxd4 1/2-1/2

[Event "Rio de Janeiro Estadual"]
[Site "Rio de Janeiro"]
[Date "2009.01.17"]
[Round "4.9"]
[White "Da Silva, Decio Koeler"]
[Black "Guimaraes, Lucas dos S Peixoto"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2210"]
[PlyCount "35"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nge2 d6 7. 0-0 0-0 8. h3 Be6 9. d3 Qb6 10. Kh2 Nd7 11. Nf4 Nd4 12. Nxe6 fxe6 13. f4 Nf6 14. Ne2 Nd7 15. Nxd4 Bxd4 16. Qg4 Rf6 17. Qh4 Bxb2 18. Rb1 1-0

[Event "Rio de Janeiro Estadual"]
[Site "Rio de Janeiro"]
[Date "2009.01.17"]
[Round "5.5"]
[White "Manzi, Luiz Antonio Bardao"]
[Black "Da Silva, Decio Koeler"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2162"]
[BlackElo "2210"]
[PlyCount "24"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nb3 e5 7. Bg5 Be6 8. Be2 Be7 9. 0-0 a6 10. Kh1 0-0 11. f4 exf4 12. Bxf4 Ne5 1/2-1/2

[Event "Rio de Janeiro Estadual"]
[Site "Rio de Janeiro"]
[Date "2009.01.11"]
[Round "3.5"]
[White "Assuncao, Herlon Carlos"]
[Black "Da Silva, Decio Koeler"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2049"]
[BlackElo "2210"]
[PlyCount "53"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. f4 Nc6 4. Nf3 e6 5. g3 Qc7 6. Nc3 a6 7. a4 Nf6 8. Bg2 Be7 9. Qe2 Nd4 10. Nxd4 cxd4 11. Nd1 e5 12. c3 Bg4 13. Bf3 h5 14. Bd2 Bxf3 15. Qxf3 Nd7 16. 0-0 dxc3 17. Bxc3 Nf6 18. Ne3 Qc5 19. Kh1 0-0 20. Nf5 Qc7 21. Rac1 Qd7 22. fxe5 dxe5 23. Bxe5 Bd8 24. Nxg7 Kxg7 25. Bxf6+ Bxf6 26. Qxf6+ Kh7 27. Rf5 1-0

[Event "Rio de Janeiro Estadual"]
[Site "Rio de Janeiro"]
[Date "2009.01.11"]
[Round "2.6"]
[White "Da Silva, Decio Koeler"]
[Black "Mascarenhas, Alberto Pinheiro"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2210"]
[BlackElo "2228"]
[PlyCount "69"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 d6 6. h3 Nf6 7. c4 g6 8. Nc3 Bg7 9. 0-0 0-0 10. Be3 Nd7 11. Qd2 Nc5 12. Rad1 Nxd3 13. Qxd3 Be6 14. Nd5 h6 15. Qd2 Kh7 16. b3 b6 17. Nd4 Rc8 18. Nxc6 Rxc6 19. Bd4 Bxd4 20. Qxd4 Rc8 21. Rfe1 f6 22. Qd3 Qe8 23. f4 Rg8 24. e5 dxe5 25. fxe5 f5 26. Nf4 Rc6 27. Nxe6 Rxe6 28. Qd7 Qxd7 29. Rxd7 a5 30. Rd5 Rc8 31. Kf2 g5 32. Ke3 Kg6 33. Kd4 Rec6 34. a4 e6 35. Rd6 1/2-1/2

[Event "Rio de Janeiro Estadual"]
[Site "Rio de Janeiro"]
[Date "2009.01.10"]
[Round "1.4"]
[White "Mourao, Igor AC Lofredo"]
[Black "Da Silva, Decio Koeler"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "1987"]
[BlackElo "2210"]
[PlyCount "63"]
[EventDate "2009.01.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Bg4 12. Qa4 Na5 13. Qb5 a6 14. Qd3 Nc4 15. Nxd5 Nxd5 16. Qxc4 Nxe3 17. fxe3 Bg5 18. Kh1 Bxe3 19. Nf5 Bxf5 20. Rxf5 Qe7 21. Raf1 Rac8 22. Qb3 Bd4 23. Bd5 Qxe2 24. Qf3 Qxf3+ 25. R5xf3 Rc7 26. b3 Bf6 27. a4 Rd8 28. Rd3 Re8 29. Kg2 Re5 30. Bf3 b5 31. axb5 axb5 32. Rd5 1/2-1/2

[Event "Taca Almirante Saldanha 2nd"]
[Site "Rio de Janeiro"]
[Date "1997.05.07"]
[Round "9"]
[White "Da Silva, Decio Koeler"]
[Black "Souza, Marco Andre"]
[Result "1/2-1/2"]
[ECO "D52"]
[BlackElo "2200"]
[PlyCount "20"]
[EventDate "1997.04.23"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Nf3 Qa5 8. Bxf6 Nxf6 9. Bd3 Bg4 10. Qb3 Qb4 1/2-1/2

[Event "Taca Almirante Saldanha 2nd"]
[Site "Rio de Janeiro"]
[Date "1997.05.06"]
[Round "8"]
[White "Campos, Antonio JS"]
[Black "Da Silva, Decio Koeler"]
[Result "0-1"]
[ECO "B88"]
[WhiteElo "2265"]
[PlyCount "90"]
[EventDate "1997.04.23"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Bb3 Be7 8. Be3 a6 9. 0-0 0-0 10. f4 Nxd4 11. Bxd4 b5 12. a3 Bb7 13. Qd3 a5 14. Nxb5 Nxe4 15. a4 Bf6 16. Rad1 Bxd4+ 17. Qxd4 Qe7 18. Rfe1 d5 19. c3 Rab8 20. Bc2 f5 21. g3 Ba6 22. Bxe4 fxe4 23. c4 dxc4 24. Qxc4 Rfc8 25. Qxe4 Bxb5 26. axb5 Rxb5 27. Rd2 Re8 28. Rde2 Qc5+ 29. Kg2 Rb4 30. Qf3 g6 31. h4 Rc4 32. Re5 Qc7 33. h5 Rc2+ 34. R1e2 Rxe2+ 35. Qxe2 Qc6+ 36. Kh2 a4 37. hxg6 hxg6 38. Qe4 Qxe4 39. Rxe4 Rb8 40. Rxe6 Rxb2+ 41. Kh3 Kf7 42. Ra6 Rb4 43. Kg4 Rc4 44. Kg5 Rc5+ 45. Kh6 Rh5# 0-1

[Event "Taca Almirante Saldanha 2nd"]
[Site "Rio de Janeiro"]
[Date "1997.05.05"]
[Round "7"]
[White "Romano, Alexandre Pinto"]
[Black "Da Silva, Decio Koeler"]
[Result "1/2-1/2"]
[ECO "B80"]
[PlyCount "23"]
[EventDate "1997.04.23"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e6 7. Be3 Be7 8. Bb5 Bd7 9. Qd2 a6 10. Nxc6 Bxc6 11. Bxc6+ bxc6 12. 0-0-0 1/2-1/2

[Event "Taca Almirante Saldanha 2nd"]
[Site "Rio de Janeiro"]
[Date "1997.04.30"]
[Round "6"]
[White "Da Silva, Decio Koeler"]
[Black "Guimaraes, Wagner Peixoto"]
[Result "1/2-1/2"]
[ECO "E93"]
[BlackElo "2260"]
[PlyCount "19"]
[EventDate "1997.04.23"]
[EventType "tourn"]
[EventRounds "9"]
[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. d5 a5 8. Bg5 Nbd7 9. Rc1 h6 10. Bh4 1/2-1/2

[Event "Taca Almirante Saldanha 2nd"]
[Site "Rio de Janeiro"]
[Date "1997.04.29"]
[Round "5"]
[White "Rabello, David Sousa"]
[Black "Da Silva, Decio Koeler"]
[Result "1/2-1/2"]
[ECO "B83"]
[PlyCount "19"]
[EventDate "1997.04.23"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. f4 e6 8. Be3 Be7 9. Be2 0-0 10. 0-0 1/2-1/2

[Event "Taca Almirante Saldanha 2nd"]
[Site "Rio de Janeiro"]
[Date "1997.04.28"]
[Round "4"]
[White "Cunha, Eduardo Arruda da G"]
[Black "Da Silva, Decio Koeler"]
[Result "1/2-1/2"]
[ECO "E00"]
[WhiteElo "2305"]
[BlackElo "2000"]
[PlyCount "91"]
[EventDate "1997.04.23"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. dxc5 Bxc5 5. Bg2 0-0 6. Nf3 Ne4 7. 0-0 f5 8. Qd3 Nc6 9. a3 a5 10. Nc3 Nxc3 11. Qxc3 d6 12. Be3 Bxe3 13. Qxe3 Qf6 14. Qd2 e5 15. Rad1 Rd8 16. Ng5 Nd4 17. Bd5+ Ne6 18. Nxe6 Bxe6 19. Bxb7 Rab8 20. Bd5 a4 21. Bxe6+ Qxe6 22. Qd5 Qxd5 23. Rxd5 Rxb2 24. c5 Rxe2 25. cxd6 Kf7 26. Rfd1 Ke6 27. Ra5 Re4 28. Ra6 Rd7 29. Rd3 Rc4 30. Kf1 g6 31. Ke1 e4 32. Rd2 Rc1+ 33. Ke2 Rc4 34. h4 h6 35. Ra8 Rc6 36. Rxa4 Rdxd6 37. Rxd6+ Kxd6 38. Ra8 Kd5 39. Kd2 Kd4 40. a4 g5 41. hxg5 hxg5 42. Rd8+ Ke5 43. Rg8 Ra6 44. Rxg5 Rxa4 45. g4 e3+ 46. Kxe3 1/2-1/2

[Event "Taca Almirante Saldanha 2nd"]
[Site "Rio de Janeiro"]
[Date "1997.04.25"]
[Round "3"]
[White "Carvalho, Carlos Alberto"]
[Black "Da Silva, Decio Koeler"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2135"]
[PlyCount "20"]
[EventDate "1997.04.23"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. Nd2 Be7 5. f4 0-0 6. Ngf3 Nbd7 7. 0-0 c6 8. c3 h6 9. Ne5 Qc7 10. Qf3 c5 1/2-1/2

[Event "Taca Almirante Saldanha 2nd"]
[Site "Rio de Janeiro"]
[Date "1997.04.24"]
[Round "2"]
[White "Da Silva, Decio Koeler"]
[Black "Figueiredo, Francisco Marques"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "71"]
[EventDate "1997.04.23"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Qc2 h6 9. Bh4 0-0 10. Nf3 Nb6 11. Ne5 Ng4 12. Bg3 Bd6 13. Nxg4 Bxg4 14. Bxd6 Qxd6 15. h3 Bd7 16. g4 Qf6 17. 0-0-0 Rac8 18. Kb1 c5 19. dxc5 Rxc5 20. f4 Rfc8 21. Qb3 Qe7 22. Nb5 Nc4 23. Nd4 Nb6 24. Qa3 Ba4 25. Rde1 Qc7 26. Bf5 Bd7 27. Bxd7 Nxd7 28. Qd3 Nb6 29. Nb3 Rc6 30. Nd4 Rc5 31. Nb5 Qd7 32. Nc3 Qc6 33. Rd1 Nc4 34. Nxd5 Nxb2 35. Kxb2 Rb5+ 36. Ka1 1/2-1/2

[Event "Taca Almirante Saldanha 2nd"]
[Site "Rio de Janeiro"]
[Date "1997.04.23"]
[Round "1"]
[White "Chaves, Jorge Antonio Torre"]
[Black "Da Silva, Decio Koeler"]
[Result "0-1"]
[ECO "A59"]
[WhiteElo "2150"]
[PlyCount "108"]
[EventDate "1997.04.23"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. c4 b5 5. cxb5 a6 6. bxa6 Bxa6 7. Nc3 Bg7 8. e4 Bxf1 9. Kxf1 d6 10. g3 0-0 11. Kg2 Nbd7 12. h4 Qa5 13. a3 Qa6 14. h5 Qc4 15. hxg6 fxg6 16. Ng5 h6 17. Ne6 Nxe4 18. Nxe4 Qxe4+ 19. f3 Qe5 20. Nxg7 Qxg7 21. Qe2 Qe5 22. Qxe5 Nxe5 23. Rxh6 Kg7 24. Rh3 Rxf3 25. Bh6+ Kf6 26. Re1 Rf5 27. Bd2 Rh5 28. Rxh5 gxh5 29. Bc3 Kf5 30. Re2 Rg8 31. Bxe5 dxe5 32. Kf3 Rb8 33. Rc2 Rb3+ 34. Kg2 Ke4 35. Rxc5 Rxb2+ 36. Kh3 Kd4 37. Rc7 Kxd5 38. Rxe7 e4 39. Kh4 Rb3 40. a4 Ra3 41. Ra7 Kd4 42. a5 e3 43. Kxh5 e2 44. Rd7+ Ke3 45. Re7+ Kf2 46. g4 Re3 47. Rxe3 Kxe3 48. g5 e1Q 49. g6 Qxa5+ 50. Kh6 Qd8 51. Kg7 Kf4 52. Kh7 Qh4+ 53. Kg8 Kf5 54. g7 Kg6 0-1

[Event "Rio de Janeiro Clube Naval op 3rd"]
[Site "Rio de Janeiro"]
[Date "1996.02.07"]
[Round "4"]
[White "Marcolino, Antonio Claudio H"]
[Black "Da Silva, Decio Koeler"]
[Result "1-0"]
[ECO "A57"]
[PlyCount "67"]
[EventDate "1996.02.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. a4 b4 5. Nd2 g6 6. b3 Bg7 7. Bb2 0-0 8. e4 d6 9. f4 e5 10. dxe6 Bxe6 11. Ngf3 Re8 12. Bd3 Bf5 13. 0-0 Bd7 14. Qc2 Nc6 15. Rfe1 Qc7 16. Rad1 Rad8 17. h3 Qc8 18. Nf1 Nh5 19. Bxg7 Nxg7 20. Ne3 Nh5 21. Nd5 Ne7 22. Qd2 Nxd5 23. exd5 Qb7 24. f5 Bc8 25. Qh6 Qe7 26. Ng5 Nf6 27. Rf1 Qf8 28. Qh4 Qg7 29. fxg6 fxg6 30. Rxf6 Qxf6 31. Qxh7+ Kf8 32. Rf1 Bf5 33. Bxf5 Qg7 34. Bxg6+ 1-0

[Event "Rio de Janeiro Clube Naval op 3rd"]
[Site "Rio de Janeiro"]
[Date "1996.02.06"]
[Round "3"]
[White "Cantarino Neto, Mario Ribeiro"]
[Black "Da Silva, Decio Koeler"]
[Result "1/2-1/2"]
[ECO "A57"]
[PlyCount "107"]
[EventDate "1996.02.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 Bb7 5. Nbd2 bxc4 6. e4 e6 7. Bxc4 exd5 8. exd5 Bxd5 9. Bxd5 Nxd5 10. 0-0 Nb6 11. Nc4 Nxc4 12. Qe2+ Be7 13. Qxc4 0-0 14. Qd5 Nc6 15. Bf4 Nb4 16. Qd2 d5 17. a3 Nc6 18. Rad1 d4 19. Rfe1 Rc8 20. Qc2 Qd5 21. Bg3 Bf6 22. Nd2 Rfe8 23. Ne4 Be7 24. Nd2 Bd6 25. Bxd6 Qxd6 26. Ne4 Qe5 27. Qxc5 Qxc5 28. Nxc5 Ne5 29. b4 a5 30. Nb7 Nc4 31. Rxe8+ Rxe8 32. Nxa5 Nxa3 33. f3 Nb5 34. Nc6 f6 35. Kf2 Kf7 36. Rd2 Rc8 37. Nxd4 Nxd4 38. Rxd4 Rc2+ 39. Kg3 g5 40. h4 Ke6 41. Re4+ Kd6 42. hxg5 fxg5 43. Kh3 Rb2 44. g3 h5 45. f4 gxf4 46. gxf4 Rf2 47. Kg3 Rf1 48. Kh4 Kd5 49. Re5+ Kd6 50. Kg5 h4 51. Re8 h3 52. Rh8 Ke6 53. Rxh3 Rg1+ 54. Kh4 1/2-1/2

[Event "Rio de Janeiro Clube Naval op 3rd"]
[Site "Rio de Janeiro"]
[Date "1996.02.05"]
[Round "2"]
[White "Da Silva, Decio Koeler"]
[Black "Campos, Wellington"]
[Result "1/2-1/2"]
[ECO "E11"]
[PlyCount "102"]
[EventDate "1996.02.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Qe7 6. Nc3 0-0 7. a3 Bxc3 8. Bxc3 Nc6 9. Nf3 Ne4 10. 0-0 Nxc3 11. bxc3 Rd8 12. Qd3 e5 13. dxe5 dxc4 14. Qxc4 Nxe5 15. Qb4 Nc6 16. Qf4 Rd6 17. Rfd1 Rxd1+ 18. Rxd1 Be6 19. Ne5 Rd8 20. Rxd8+ Qxd8 21. Nd3 Na5 22. Qb4 b6 23. h4 Bd5 24. Qd4 c6 25. Nb4 Qe7 26. Nxd5 cxd5 27. Qxd5 g6 28. a4 Qxe2 29. Qa8+ Kg7 30. Qxa7 Qe1+ 31. Bf1 Nc4 32. Qa6 Nd2 33. Qe2 Qc1 34. Kg2 Qxc3 35. Qe3 Qxe3 36. fxe3 Nxf1 37. Kxf1 Kf6 38. Ke2 Ke5 39. Kd3 Kd5 40. e4+ Kc5 41. Kc3 h6 42. e5 b5 43. axb5 Kxb5 44. Kd4 Kc6 45. g4 Kd7 46. Kd5 Ke7 47. Ke4 Ke6 48. Kf4 Kd5 49. h5 Ke6 50. Ke4 gxh5 51. gxh5 f6 1/2-1/2

[Event "Rio de Janeiro Clube Naval op 3rd"]
[Site "Rio de Janeiro"]
[Date "1996.02.04"]
[Round "1"]
[White "Limp, Eduardo Thelio"]
[Black "Da Silva, Decio Koeler"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2320"]
[PlyCount "103"]
[EventDate "1996.02.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. e3 g6 4. c3 Bg7 5. Nbd2 d6 6. Bd3 0-0 7. 0-0 b6 8. Re1 Bb7 9. e4 Na6 10. d5 Nc7 11. a4 e6 12. c4 exd5 13. cxd5 Re8 14. Nc4 Ba6 15. Qc2 Ng4 16. Bg5 Qd7 17. Bf4 Bxc4 18. Bxc4 a6 19. h3 Ne5 20. Nxe5 Bxe5 21. Bxe5 Rxe5 22. f4 Ree8 23. Rad1 b5 24. axb5 axb5 25. Be2 f6 26. Bg4 Qg7 27. Qb3 Ra4 28. Be6+ Kh8 29. f5 Raa8 30. Qg3 Ra6 31. fxg6 Qxg6 32. Qf2 Qg5 33. Bf5 Rea8 34. Rf1 b4 35. Bd7 Ra2 36. Bc6 R8a5 37. e5 Qxe5 38. Qxf6+ Qxf6 39. Rxf6 Rxb2 40. Rxd6 Raa2 41. Rd8+ Kg7 42. d6 Ne6 43. Rd7+ Kf6 44. Bd5 c4 45. Re7 Nc5 46. Rf7+ Kg5 47. d7 Nxd7 48. Rxd7 Rd2 49. Rf1 Rac2 50. Rf5+ Kh4 51. Rxh7+ Kg3 52. Rf3# 1-0

[Event "Taca Rio de Janeiro 1st"]
[Site "Rio de Janeiro"]
[Date "1995.??.??"]
[Round "?"]
[White "Amador, Sergio Jose"]
[Black "Da Silva, Decio Koeler"]
[Result "1-0"]
[ECO "B62"]
[WhiteElo "2330"]
[PlyCount "109"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. Be2 Be7 11. 0-0-0+ Kc7 12. Rhe1 Re8 13. Bf3 Nd5 14. Bxe7 Rxe7 15. Rxe5 Nxc3 16. bxc3 Rd7 17. Rd4 Rxd4 18. cxd4 Rb8 19. Rc5 Bd7 20. Ra5 Rb7 21. Ra6 f6 22. h4 Kd6 23. c4 Kc7 24. Kc2 Be8 25. Kc3 Bd7 26. g3 Be8 27. a4 Bd7 28. Bg2 Be8 29. d5 exd5 30. cxd5 cxd5 31. Bxd5 Rb1 32. Rxa7+ Kd6 33. Bb3 Rf1 34. a5 Rxf2 35. Rxg7 Rf3+ 36. Kb4 Re3 37. a6 Re4+ 38. Ka3 Re5 39. Bc4 Kc5 40. Rc7+ Bc6 41. a7 Re8 42. Bf1 Kb6 43. Rxc6+ Kxc6 44. Bg2+ Kd6 45. a8Q Rxa8+ 46. Bxa8 Ke5 47. Bc6 f5 48. h5 h6 49. Kb4 Kd4 50. Bd7 Ke4 51. Kc5 Kf3 52. Bxf5 Kxg3 53. Bg6 Kf4 54. Kd5 Kg5 55. Ke6 1-0

[Event "Taca Rio de Janeiro 1st"]
[Site "Rio de Janeiro"]
[Date "1995.??.??"]
[Round "?"]
[White "Da Silva, Decio Koeler"]
[Black "Alvim, Antonio Carlos Rodr"]
[Result "1/2-1/2"]
[ECO "D74"]
[BlackElo "2180"]
[PlyCount "23"]
[EventDate "1995.??.??"]
[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. g3 Bg7 4. Bg2 0-0 5. Nf3 d5 6. 0-0 Nc6 7. cxd5 Nxd5 8. b3 e5 9. Bb2 e4 10. Ne5 Nxe5 11. dxe5 Bf5 12. Nc3 1/2-1/2

[Event "Taca Rio de Janeiro 1st"]
[Site "Rio de Janeiro"]
[Date "1995.??.??"]
[Round "?"]
[White "Da Silva, Decio Koeler"]
[Black "Dias, Anderson Tatsch"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "2255"]
[PlyCount "86"]
[EventDate "1995.??.??"]
[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. Nc3 g6 3. e4 d6 4. Nf3 Bg7 5. Bc4 0-0 6. 0-0 Nxe4 7. Nxe4 d5 8. Bxd5 Qxd5 9. Nc3 Qd6 10. h3 b6 11. Re1 a6 12. Bg5 e6 13. Qd2 Bb7 14. Ne4 Bxe4 15. Rxe4 Nc6 16. c3 Ne7 17. Bf4 Qd5 18. Re2 Qb7 19. Be5 Rad8 20. Bxg7 Kxg7 21. Ne5 c5 22. Qf4 cxd4 23. cxd4 Qd5 24. Rd2 Qd6 25. Qe4 Nd5 26. a3 Rc8 27. Rad1 Rc7 28. Rc2 Rfc8 29. Rxc7 Qxc7 30. Re1 Qc2 31. Qf3 Rc7 32. Nd3 Qd2 33. Rd1 Qg5 34. Re1 Qf6 35. Qxf6+ Kxf6 36. Re2 Rc4 37. Re4 Rc2 38. Rg4 Rd2 39. Rg3 Rd1+ 40. Kh2 Ke7 41. Rf3 f6 42. g4 g5 43. Kg2 Rxd3 0-1

[Event "Taca Rio de Janeiro 1st"]
[Site "Rio de Janeiro"]
[Date "1995.??.??"]
[Round "?"]
[White "Da Silva, Decio Koeler"]
[Black "Maia, Jose Eduardo Bastos"]
[Result "1/2-1/2"]
[ECO "A06"]
[BlackElo "2235"]
[PlyCount "30"]
[EventDate "1995.??.??"]
[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 c5 3. e3 e6 4. Nf3 d5 5. Nc3 Nc6 6. Be2 Be7 7. 0-0 0-0 8. dxc5 Bxc5 9. b3 dxc4 10. Bxc4 b6 11. Bb2 Bb7 12. Qe2 Qe7 13. Rfd1 Rfd8 14. h3 Rxd1+ 15. Rxd1 Rd8 1/2-1/2

[Event "Taca Rio de Janeiro 1st"]
[Site "Rio de Janeiro"]
[Date "1995.??.??"]
[Round "?"]
[White "Da Silva, Decio Koeler"]
[Black "Okamura, Milton Kasuo"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "2270"]
[PlyCount "79"]
[EventDate "1995.??.??"]
[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 d5 2. Nc3 Bf5 3. Bg5 c6 4. e3 Nd7 5. Bd3 Bg6 6. Nge2 Qc7 7. e4 e6 8. exd5 cxd5 9. Bf4 Qb6 10. 0-0 a6 11. a3 Ngf6 12. Bxg6 hxg6 13. Qd3 Be7 14. Bg3 Rc8 15. Rfe1 0-0 16. Nd1 Qc6 17. c3 b5 18. Nf4 Ne4 19. Qe2 a5 20. Nd3 Nxg3 21. hxg3 Bd6 22. Ne3 Nf6 23. Ng4 Qb7 24. Nge5 Ne4 25. Qg4 b4 26. axb4 axb4 27. cxb4 Bxb4 28. Rec1 Bd6 29. Qe2 Rfd8 30. Rxc8 Rxc8 31. Qf3 Nd2 32. Qg4 Nb3 33. Re1 Ra8 34. Nxg6 Ra4 35. Qh3 fxg6 36. Qxe6+ Qf7 37. Qxd6 Nxd4 38. Qd8+ Kh7 39. Re8 Ra1+ 40. Kh2 1-0

[Event "Taca Rio de Janeiro 1st"]
[Site "Rio de Janeiro"]
[Date "1995.??.??"]
[Round "?"]
[White "Rocha, Wellington Carlos"]
[Black "Da Silva, Decio Koeler"]
[Result "0-1"]
[ECO "B88"]
[WhiteElo "2295"]
[PlyCount "136"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Bb3 a6 8. Be3 Be7 9. f4 0-0 10. 0-0 Nxd4 11. Bxd4 b5 12. e5 dxe5 13. fxe5 Nd7 14. Ne4 Bb7 15. Nd6 Bxd6 16. exd6 Qg5 17. Qe2 e5 18. Be3 Qg6 19. a4 b4 20. a5 Bc6 21. Rf2 Kh8 22. Qc4 Qxd6 23. Rd2 Qg6 24. Qxb4 Rac8 25. Ba4 Bxa4 26. Qxa4 Nf6 27. Bb6 Ne4 28. Re2 f5 29. Rf1 Qd6 30. c3 Qd3 31. Re3 Qd2 32. Ref3 g6 33. Rd1 Qxb2 34. Qd7 Qb3 35. Rh3 Qf7 36. Rd5 Qxd7 37. Rxd7 h5 38. Ra7 Ra8 39. Rc7 Kg8 40. Rd3 Rf7 41. c4 Rxc7 42. Bxc7 Rc8 43. Rd7 Nf6 44. Re7 e4 45. Kf2 Re8 46. Rxe8+ Nxe8 47. Be5 Kf7 48. Ke3 Ke6 49. Kd4 Nd6 50. Bf4 Nb7 51. Bd2 Kd6 52. h4 Nd8 53. Bf4+ Kc6 54. Ke5 Kc5 55. Kf6 Kxc4 56. Kxg6 Ne6 57. Bc1 f4 58. Kxh5 e3 59. Kg4 Kd3 60. Ba3 e2 61. Bb4 Nd4 62. h5 Nc2 63. Be1 Nxe1 64. h6 Nxg2 65. h7 e1Q 66. h8Q Qh4+ 67. Qxh4 Nxh4 68. Kxf4 Kc4 0-1

[Event "Taca Rio de Janeiro 1st"]
[Site "Rio de Janeiro"]
[Date "1995.??.??"]
[Round "?"]
[White "Teixeira, Ricardo da Silva"]
[Black "Da Silva, Decio Koeler"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2295"]
[PlyCount "127"]
[EventDate "1995.??.??"]
[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 d5 2. Nf3 e6 3. c4 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 Be7 8. Be3 cxd4 9. Nxd4 0-0 10. Nc3 Re8 11. Rc1 Bg4 12. Nb3 Be6 13. Rc2 Qd7 14. Rd2 Rad8 15. Bg5 d4 16. Bxf6 Bxf6 17. Ne4 Be7 18. Nec5 Bxb3 19. Nxb3 Bf6 20. e3 d3 21. Nc5 Qe7 22. Bxc6 bxc6 23. Qc1 Rd5 24. b4 Red8 25. Rfd1 Qe5 26. Rxd3 Rxd3 27. Rxd3 Rxd3 28. Nxd3 Qe4 29. Qd2 Qd5 30. Qc2 g5 31. Nc5 Be7 32. Qe4 Qxe4 33. Nxe4 Bxb4 34. Nxg5 h6 35. Nf3 Kf8 36. Ne5 c5 37. Kf1 f6 38. Nc4 Ke7 39. e4 Ke6 40. g4 Bc3 41. f4 Bd4 42. h4 Bc3 43. h5 Bd4 44. Ke2 Bc3 45. Kd3 Be1 46. Ne3 Bg3 47. Nd5 Bf2 48. Kc4 Bd4 49. Nc7+ Kd7 50. Nb5 Be3 51. Nxa7 Bxf4 52. Kd5 Be3 53. Nb5 c4 54. Kxc4 Ke6 55. Kd3 Bb6 56. Ke2 Ke5 57. Kf3 Ba5 58. Na3 Kd4 59. Kf4 Kc5 60. Kf5 Bc3 61. Nc2 Kc4 62. Ne3+ Kd3 63. Nd5 Bd2 64. Nxf6 1-0

[Event "Rio de Janeiro-ch Absoluto"]
[Site "Rio de Janeiro"]
[Date "1984.12.02"]
[Round "9"]
[White "Da Silva, Decio Koeler"]
[Black "Cunha, Eduardo Arruda da G"]
[Result "0-1"]
[ECO "A39"]
[PlyCount "109"]
[EventDate "1984.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 cxd4 7. Nxd4 Nc6 8. Nc3 Nxd4 9. Qxd4 Ne8 10. Qd3 d6 11. b3 Rb8 12. Bb2 Bf5 13. e4 Bd7 14. Rfd1 Bc6 15. Qe2 Nc7 16. c5 Ne6 17. cxd6 Nd4 18. Rxd4 Bxd4 19. Nd5 Bxd5 20. Bxd4 Be6 21. Bc5 exd6 22. Rd1 dxc5 23. Rxd8 Rfxd8 24. h4 Rd4 25. h5 h6 26. Qb5 Rd1+ 27. Kh2 Rc1 28. Qd3 c4 29. Qd2 cxb3 30. Qxc1 Rc8 31. Qxc8+ Bxc8 32. axb3 g5 33. Bf3 Kg7 34. Be2 a5 35. Kg2 Be6 36. Bd1 g4 37. f4 gxf3+ 38. Kxf3 Kf6 39. Kf4 Ke7 40. Ke5 f6+ 41. Kd4 Kd6 42. g4 b6 43. e5+ fxe5+ 44. Ke4 Bd5+ 45. Kf5 e4 46. Kg6 e3 47. g5 Bxb3 48. Be2 hxg5 49. Bd3 Bc2 50. Bxc2 e2 51. h6 e1Q 52. h7 Qe5 53. Bf5 a4 54. Kxg5 a3 55. Kg6 0-1

[Event "Rio de Janeiro-ch Absoluto"]
[Site "Rio de Janeiro"]
[Date "1984.12.01"]
[Round "8"]
[White "Ferreira, Oscar Vieira"]
[Black "Da Silva, Decio Koeler"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "99"]
[EventDate "1984.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nge2 d5 4. exd5 exd5 5. d4 Nf6 6. g3 cxd4 7. Nxd4 Nc6 8. Bg2 Be7 9. 0-0 0-0 10. Re1 Bg4 11. Nce2 Qd7 12. c3 Rfe8 13. Qb3 Bc5 14. Bg5 Ne4 15. Be3 Bb6 16. Nf4 Nxd4 17. Bxd4 Bxd4 18. cxd4 Nf6 19. Re5 Rad8 20. Rae1 Qc8 21. f3 Bd7 22. Nxd5 Nxd5 23. Qxd5 Rxe5 24. dxe5 Be6 25. Qa5 b6 26. Qb4 Qc2 27. Qc3 Qxc3 28. bxc3 Rd2 29. Bf1 Rxa2 30. Bd3 Rd2 31. Re3 Kf8 32. h4 a5 33. f4 g6 34. Bb5 Ke7 35. c4 Bd7 36. Rb3 a4 37. Rc3 Bxb5 38. cxb5 Rb2 39. Rc7+ Kf8 40. Ra7 Rb4 41. Ra6 Rxb5 42. Rxa4 Ke7 43. Kf2 h5 44. Ra7+ Ke6 45. Rb7 Rb3 46. Kg2 Rb2+ 47. Kf1 b5 48. Rb6+ Ke7 49. Rb7+ Ke6 50. Rb6+ 1/2-1/2

[Event "Rio de Janeiro-ch Absoluto"]
[Site "Rio de Janeiro"]
[Date "1984.11.25"]
[Round "7"]
[White "Da Silva, Decio Koeler"]
[Black "Barros Filho, Jose Duarte"]
[Result "1-0"]
[ECO "E05"]
[PlyCount "47"]
[EventDate "1984.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 dxc4 4. Bg2 Nf6 5. Nf3 Be7 6. 0-0 0-0 7. Ne5 Nbd7 8. Nxc4 c5 9. dxc5 Bxc5 10. Nc3 Qe7 11. Na4 Rd8 12. Nxc5 Nxc5 13. Qc2 e5 14. Bg5 Rb8 15. Rfd1 Bd7 16. Qc3 Re8 17. Nd6 Na4 18. Qc7 Red8 19. Bxb7 Nb6 20. Bg2 h6 21. Bxf6 gxf6 22. Qxa7 Qf8 23. Ne4 f5 24. Nf6+ 1-0

[Event "Rio de Janeiro-ch Absoluto"]
[Site "Rio de Janeiro"]
[Date "1984.11.23"]
[Round "5"]
[White "Yamamoto, Leonardo Massahite"]
[Black "Da Silva, Decio Koeler"]
[Result "1-0"]
[ECO "B59"]
[PlyCount "89"]
[EventDate "1984.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 a5 10. f3 a4 11. Nc1 a3 12. Rb1 Be6 13. Nd5 Bxd5 14. exd5 Nb4 15. c4 Qc8 16. Qb3 Na6 17. bxa3 Nc5 18. Qb4 Nfd7 19. Nd3 Ra4 20. Qc3 Qc7 21. Rb5 Nxd3 22. Bxd3 Rfa8 23. Qb2 Rxa3 24. Rxb7 Qd8 25. Bf5 Nf8 26. Bb6 Qe8 27. Bb1 Bf6 28. Qb4 Be7 29. c5 R3a4 30. Qb2 dxc5 31. Qxe5 Nd7 32. Qf5 Nf6 33. Re1 g6 34. Qd3 Rd4 35. Rbxe7 Qb8 36. Qb5 Kg7 37. Qxc5 Rxd5 38. Qc7 Qxc7 39. Bxc7 Nh5 40. Be4 Rda5 41. Bxa8 Rxa8 42. g4 Nf6 43. Be5 h6 44. Rb1 Ra6 45. Rbb7 1-0

[Event "Rio de Janeiro-ch Absoluto"]
[Site "Rio de Janeiro"]
[Date "1984.11.18"]
[Round "4"]
[White "Da Silva, Decio Koeler"]
[Black "Rocha, Joao Cesar Castro"]
[Result "1/2-1/2"]
[ECO "A41"]
[PlyCount "86"]
[EventDate "1984.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nc3 Be6 6. Nf3 f6 7. e3 c6 8. Be2 Kc7 9. 0-0 Nd7 10. Bd2 Nh6 11. Rfd1 Be7 12. Rac1 Rhd8 13. Nd5+ Bxd5 14. cxd5 c5 15. e4 Nf7 16. Be1 Rac8 17. Nd2 Nd6 18. f3 Kb8 19. Nc4 Nxc4 20. Bxc4 Nf8 21. Ba5 b6 22. Be1 Kb7 23. a4 a6 24. Bf2 Bd6 25. Rc2 Rc7 26. Rdc1 Rdc8 27. Bf1 Ng6 28. g3 a5 29. b3 Nf8 30. Be3 Nd7 31. Bh3 Re8 32. Bf1 Nb8 33. Bb5 Rd8 34. Re2 Na6 35. Bd2 Rdc8 36. Kg2 Nb4 37. Bxb4 cxb4 38. Rxc7+ Rxc7 39. Bc6+ Kc8 40. Kf1 Rf7 41. Rc2 Bc5 42. g4 g6 43. Rg2 Kc7 1/2-1/2

[Event "Rio de Janeiro-ch Absoluto"]
[Site "Rio de Janeiro"]
[Date "1984.11.17"]
[Round "3"]
[White "Mascarenhas, Alberto Pinheiro"]
[Black "Da Silva, Decio Koeler"]
[Result "1/2-1/2"]
[ECO "D34"]
[PlyCount "20"]
[EventDate "1984.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 c5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 cxd4 10. Nxd4 h6 1/2-1/2

[Event "Rio de Janeiro-ch Absoluto"]
[Site "Rio de Janeiro"]
[Date "1984.11.16"]
[Round "2"]
[White "Da Silva, Decio Koeler"]
[Black "Machado, Hermes Amilcar"]
[Result "1/2-1/2"]
[ECO "E60"]
[BlackElo "2240"]
[PlyCount "164"]
[EventDate "1984.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. g3 Bg7 4. Nf3 Nf6 5. Bg2 0-0 6. 0-0 Nbd7 7. d5 Nb6 8. Nbd2 e6 9. dxe6 fxe6 10. Qc2 Qe7 11. b3 Nh5 12. Bb2 Bxb2 13. Qxb2 Qg7 14. Qxg7+ Nxg7 15. Rac1 Nd7 16. Ne4 e5 17. Rfd1 b6 18. Nc3 Rb8 19. Nb5 Ne6 20. Nxa7 Bb7 21. Nb5 Rf6 22. Nd2 Bxg2 23. Kxg2 Rf7 24. Ne4 Ndc5 25. Nxc5 bxc5 26. h4 Kf8 27. e3 Ke7 28. f4 exf4 29. exf4 Kd7 30. Rd2 Re8 31. Rf1 Ng7 32. Rff2 Rfe7 33. Nc3 Re3 34. Nd5 R3e6 35. g4 c6 36. f5 gxf5 37. gxf5 Rh6 38. f6 cxd5 39. fxg7 Rg6+ 40. Kf1 Rxg7 41. Rxd5 Re6 42. Rdf5 Kc6 43. Rf7 Rxf7 44. Rxf7 Rh6 45. Rf4 d5 46. cxd5+ Kxd5 47. Kf2 Ra6 48. a4 Rb6 49. Rf3 Ke4 50. Re3+ Kf4 51. Rc3 Kg4 52. Ke3 Kxh4 53. Kd3 Kg4 54. Kc4 Rb8 55. Kxc5 Rc8+ 56. Kb4 Rb8+ 57. Ka3 h5 58. b4 h4 59. b5 h3 60. Kb4 h2 61. Rc1 Kf5 62. Rh1 Rh8 63. a5 Ke6 64. a6 Kd6 65. a7 Kc7 66. Rxh2 Rg8 67. Ka5 Kb7 68. Rh7+ Ka8 69. Rf7 Rg5 70. Ka4 Rg4+ 71. Ka5 Rg5 72. Rf6 Kxa7 73. Rf7+ Kb8 74. Rd7 Rg6 75. Rh7 Rf6 76. Rh4 Kb7 77. Rd4 Rh6 78. Rd8 Rg6 79. Rd7+ Kb8 80. Kb4 Rg4+ 81. Kc5 Rg5+ 82. Kb6 Rg6+ 1/2-1/2

[Event "Rio de Janeiro-ch Absoluto"]
[Site "Rio de Janeiro"]
[Date "1984.11.15"]
[Round "1"]
[White "Limp, Eduardo Thelio"]
[Black "Da Silva, Decio Koeler"]
[Result "0-1"]
[ECO "B69"]
[PlyCount "69"]
[EventDate "1984.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. Kb1 Qb6 13. f5 0-0-0 14. Bd3 Kb8 15. Ne2 Ne5 16. Nf4 Rhe8 17. Rhe1 Bc8 18. Bf1 d5 19. exd5 Nxf3 20. gxf3 e5 21. Ng2 Bxf5 22. Ne3 Bc8 23. c4 Bc5 24. cxb5 axb5 25. Qd3 Bb7 26. Qe4 Bd4 27. Rd3 h5 28. Rb3 Qa5 29. Rd1 f5 30. Qxf5 Bxe3 31. Rxe3 Bxd5 32. Rxd5 Rxd5 33. Bd3 Red8 34. Qf6 Qc7 35. Bc2 0-1

