[Event "BRA-ch Seniors"]
[Site "Florianopolis"]
[Date "1996.02.??"]
[Round "2"]
[White "Batista, Miguel Arcanjo"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "69"]
[EventDate "1996.02.22"]
[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 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 a6 6. Ba4 b5 7. Bb3 Bb7 8. d3 d5 9. a4 dxe4 10. dxe4 e5 11. Qf3 Nf6 12. Nd2 Bb4 13. c3 dxc3 14. bxc3 Bc5 15. Rd1 Qc7 16. c4 0-0 17. Bb2 bxc4 18. Bxc4 Bb4 19. Rac1 Bxd2 20. Rxd2 Bxe4 21. Qe3 Rab8 22. Bd3 Qb7 23. Bxe5 Rbc8 24. Rxc8 Rxc8 25. Bxf6 Rc1+ 26. Bf1 gxf6 27. Rd8+ Kg7 28. Qxc1 Bc6 29. Rd4 a5 30. h3 Bd7 31. Qe3 Bf5 32. Rh4 Bg6 33. Bd3 Qb2 34. Bxg6 hxg6 35. Qh6+ 1-0

[Event "BRA-ch Seniors"]
[Site "Florianopolis"]
[Date "1996.02.??"]
[Round "4"]
[White "Costa e Silva, Ubirajara"]
[Black "Figueroa, Marcio"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "63"]
[EventDate "1996.02.22"]
[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 e6 2. Nf3 d5 3. e3 Nf6 4. Bd3 c5 5. c3 Qc7 6. Nbd2 cxd4 7. cxd4 Bd6 8. 0-0 Ng4 9. g3 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. e4 Be6 13. f4 Bd4+ 14. Kh1 0-0 15. e5 Bh3 16. Qh5 g6 17. Qxh3 Nd7 18. Nf3 Bb6 19. Ng5 h5 20. g4 Kg7 21. f5 Rh8 22. f6+ Kg8 23. Bxg6 fxg6 24. f7+ Kf8 25. Ne6+ Ke7 26. Nxc7 Bxc7 27. Bg5+ Kf8 28. Be7+ Kg7 29. Bf6+ Nxf6 30. e6 Bd8 31. g5 Kf8 32. gxf6 1-0

[Event "BRA-ch Seniors"]
[Site "Florianopolis"]
[Date "1996.02.??"]
[Round "7"]
[White "Costa e Silva, Ubirajara"]
[Black "Maiolino, Alberico"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "56"]
[EventDate "1996.02.22"]
[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 a6 6. Be2 e6 7. 0-0 Nbd7 8. f4 Be7 9. Qe1 Qc7 10. Qg3 0-0 11. Be3 b5 12. a3 Bb7 13. Bd3 Nc5 14. Qf3 d5 15. e5 Nfe4 16. Qh3 Nxd3 17. cxd3 Nxc3 18. bxc3 Bc8 19. Rfc1 Bd7 20. Nf3 Rac8 21. d4 Qc4 22. Nd2 Qd3 23. Nb1 Qg6 24. Rf1 Ra8 25. Nd2 Rfc8 26. Rfc1 Qd3 27. Nb1 a5 28. Bd2 b4 1-0

[Event "BRA-ch Seniors"]
[Site "Florianopolis"]
[Date "1996.02.??"]
[Round "1"]
[White "Costa e Silva, Ubirajara"]
[Black "Souza, Carlos Gomes de"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "94"]
[EventDate "1996.02.22"]
[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. Nf3 Nf6 3. e3 g6 4. Nbd2 Bg7 5. Bd3 0-0 6. 0-0 c6 7. c3 a5 8. e4 dxe4 9. Nxe4 Na6 10. Nxf6+ exf6 11. Re1 Nc7 12. Qc2 Bg4 13. Nd2 Nd5 14. Ne4 Qc7 15. h3 Be6 16. Nc5 Bc8 17. Re2 f5 18. Bd2 b6 19. Na4 Bd7 20. Rae1 Rfe8 21. Rxe8+ Rxe8 22. Rxe8+ Bxe8 23. Bg5 Bd7 24. Qd2 c5 25. Bc4 Nf6 26. Bf4 Qb7 27. b3 Ne4 28. Qe3 b5 29. Bxf7+ Kxf7 30. Nxc5 Nxc5 31. dxc5 Qd5 32. Bd6 Qe6 33. Qg5 Qe1+ 34. Kh2 Be5+ 35. Bxe5 Qxe5+ 36. f4 Qe7 37. Qxe7+ Kxe7 38. b4 axb4 39. cxb4 Ke6 40. g4 Kd5 41. Kg3 Kc4 42. a3 Kb3 43. gxf5 gxf5 44. Kf3 Kxa3 45. Ke3 Kxb4 46. Kd4 Be6 47. h4 Ka3 0-1

[Event "BRA-ch Seniors"]
[Site "Florianopolis"]
[Date "1996.02.??"]
[Round "5"]
[White "Homrich, Carlos"]
[Black "Costa e Silva, Ubirajara"]
[Result "1/2-1/2"]
[ECO "A51"]
[PlyCount "88"]
[EventDate "1996.02.22"]
[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 Nf6 2. c4 e5 3. dxe5 Bb4+ 4. Nc3 Ng4 5. Qd4 d6 6. exd6 Bxd6 7. Nf3 0-0 8. Bg5 f6 9. Bh4 Nc6 10. Qd5+ Kh8 11. e4 Nb4 12. Qd2 Bc5 13. Nd5 Bxf2+ 14. Bxf2 Nxd5 15. cxd5 Re8 16. Qd4 c6 17. 0-0-0 cxd5 18. Qxd5 Qxd5 19. Rxd5 Nxf2 20. Bb5 Rf8 21. Rf1 Ng4 22. Rd6 Ne3 23. Rf2 Bg4 24. h3 Rac8+ 25. Kd2 Bxf3 26. Kxe3 Bh5 27. Rfd2 Bg6 28. Rd7 a6 29. Ba4 b5 30. Bb3 Rce8 31. R2d4 f5 32. Bc2 h5 33. g3 fxe4 34. Bxe4 Bxe4 35. Rxe4 Rxe4+ 36. Kxe4 Rf2 37. Rd8+ Kh7 38. Ra8 Rxb2 39. Rxa6 g6 40. h4 b4 41. a3 b3 42. Ra7+ Kg8 43. a4 Ra2 44. Rb7 Rxa4+ 1/2-1/2

[Event "BRA-ch Seniors"]
[Site "Florianopolis"]
[Date "1996.02.??"]
[Round "6"]
[White "Segundo da Costa, Pedro"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "A53"]
[PlyCount "83"]
[EventDate "1996.02.22"]
[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 Nf6 2. Nf3 d6 3. c4 Nbd7 4. Nc3 c5 5. d5 Nb6 6. e4 e5 7. h3 g6 8. Bg5 h6 9. Be3 Bg7 10. Qd2 Bd7 11. Bd3 Na4 12. Ne2 a6 13. b4 b5 14. cxb5 axb5 15. bxc5 dxc5 16. Bc2 Bf8 17. Bxa4 Rxa4 18. Nc3 Nxe4 19. Nxe4 Rxe4 20. 0-0 f6 21. Qd3 Bf5 22. Qxb5+ Qd7 23. Qb8+ Qc8 24. Qxc8+ Bxc8 25. Rfc1 Ba6 26. Bxc5 Rc4 27. Bxf8 Rxf8 28. a4 Ke7 29. a5 Rfc8 30. Rcb1 Rc2 31. Rb6 Ra8 32. Re6+ Kf7 33. Rb1 Bc8 34. Rd6 Rxa5 35. Rbb6 Raa2 36. Rxf6+ Ke7 37. Nxe5 Bf5 38. Rf7+ Kd8 39. Nc6+ Rxc6 40. dxc6 Rc2 41. Rb8+ Bc8 42. Rf8+ 1-0

[Event "BRA-ch Veterans"]
[Site "Brasilia"]
[Date "1994.02.??"]
[Round "5"]
[White "Costa e Silva, Ubirajara"]
[Black "Josetti, Agnaldo"]
[Result "0-1"]
[ECO "A49"]
[PlyCount "74"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Re1 Nbd7 7. e4 e5 8. c3 c6 9. dxe5 dxe5 10. Qd6 Ne8 11. Qd1 Qc7 12. b3 Nc5 13. b4 Ne6 14. Bb2 Nd6 15. Qb3 Bd7 16. c4 Nd4 17. Nxd4 exd4 18. f4 Be6 19. Nd2 b5 20. Bf1 a5 21. a3 Rab8 22. e5 Nxc4 23. Nxc4 c5 24. Rac1 axb4 25. axb4 bxc4 26. Bxc4 Rxb4 27. Bxe6 Rxb3 28. Bxb3 Qb6 29. Bxf7+ Rxf7 30. Ba3 Bf8 31. Rb1 Qa6 32. Ra1 Qe6 33. Rec1 c4 34. Bd6 Bxd6 35. exd6 c3 36. Re1 Qxd6 37. Rac1 d3 0-1

[Event "BRA-ch Veterans"]
[Site "Brasilia"]
[Date "1994.02.??"]
[Round "7"]
[White "Costa e Silva, Ubirajara"]
[Black "Segundo da Costa, Pedro"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "46"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 c6 4. Nbd2 Nbd7 5. Bd3 Qc7 6. 0-0 e5 7. dxe5 Nxe5 8. Nxe5 Qxe5 9. Nf3 Qc7 10. Re1 Bd6 11. e4 dxe4 12. Bxe4 Nxe4 13. Rxe4+ Be6 14. b3 0-0-0 15. Qe1 Bd5 16. Ra4 Bxf3 17. gxf3 Rhe8 18. Qf1 Bxh2+ 19. Kh1 Be5 20. Bf4 Bxf4 21. Rxa7 Qe5 22. Ra8+ Kc7 23. Rxd8 Qh5+ 0-1

[Event "BRA-ch Veterans"]
[Site "Brasilia"]
[Date "1994.02.??"]
[Round "3"]
[White "Costa e Silva, Ubirajara"]
[Black "Vasconcellos, Fernando"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "46"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 d5 6. 0-0 Ne4 7. Re1 Bd6 8. c3 Nd7 9. Nf1 0-0 10. a3 f5 11. c4 dxc4 12. Bxc4 Qe7 13. d5 e5 14. N3d2 Ndf6 15. f3 Nxd2 16. Bxd2 Kh8 17. e4 fxe4 18. fxe4 Bc8 19. Ng3 Ng4 20. Nh1 Bc5+ 21. Be3 Nxe3 22. Qh5 Bg4 23. d6 cxd6 0-1

[Event "BRA-ch Veterans"]
[Site "Brasilia"]
[Date "1994.02.??"]
[Round "4"]
[White "Dischinger, Jose Luiz"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "57"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 Nf6 4. 0-0 e5 5. d3 d5 6. Bg5 Be7 7. Nbd2 Be6 8. c3 a6 9. a4 0-0 10. Qc2 d4 11. Nc4 Qc7 12. Nfd2 Rfd8 13. Ne4 Nxe4 14. Bxe7 Nxe7 15. Bxe4 Rab8 16. a5 Nc8 17. f4 Bh3 18. Rf2 f6 19. fxe5 fxe5 20. Bf5 Bxf5 21. Rxf5 Re8 22. Raf1 e4 23. dxe4 Nd6 24. Nxd6 Qxd6 25. Qd3 Kh8 26. e3 Rbd8 27. exd4 cxd4 28. cxd4 Re5 29. Rxe5 1-0

[Event "BRA-ch Veterans"]
[Site "Brasilia"]
[Date "1994.02.??"]
[Round "1"]
[White "Lopes, Messias Lemos"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "A02"]
[PlyCount "89"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 c5 2. e3 Nc6 3. Nf3 Nf6 4. Nc3 e6 5. Be2 Be7 6. b3 0-0 7. Bb2 d5 8. d4 cxd4 9. exd4 Bb4 10. 0-0 Bxc3 11. Bxc3 Ne4 12. Bb2 Qf6 13. Ne5 Nxe5 14. fxe5 Qg5 15. Bc1 Qe7 16. Bd3 Nc3 17. Qh5 g6 18. Qh6 f5 19. exf6 Rxf6 20. Bg5 Rxf1+ 21. Rxf1 Qb4 22. Rf6 Qxd4+ 23. Kf1 Bd7 24. Rf4 Ne4 25. Bf6 Qxf6 26. Rxf6 Nxf6 27. Kg1 Rf8 28. Qe3 b6 29. h3 Nh5 30. Qe5 Nf4 31. Bf1 Bc8 32. Qc7 Nh5 33. Qxa7 Ng3 34. Bb5 Ne4 35. Qxb6 Nc3 36. a4 Nxb5 37. Qxb5 d4 38. Qc4 Rd8 39. a5 Kf8 40. a6 e5 41. a7 Bf5 42. Qb4+ Ke8 43. Qb8 Be4 44. Qxe5+ Kd7 45. Qxe4 1-0

[Event "BRA-ch Veterans"]
[Site "Brasilia"]
[Date "1994.02.??"]
[Round "6"]
[White "Putti, Antonio"]
[Black "Costa e Silva, Ubirajara"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "72"]
[EventDate "1994.02.12"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 b6 2. d4 Bb7 3. Nc3 e6 4. e4 Bb4 5. Bd3 Ne7 6. Bd2 d5 7. cxd5 exd5 8. e5 0-0 9. Qc2 c5 10. dxc5 d4 11. Ne4 Bxd2+ 12. Nxd2 Bxg2 13. Bxh7+ Kh8 14. Be4 Bxh1 15. Bxh1 Nbc6 16. cxb6 Qxb6 17. Nc4 Qb4+ 18. Kf1 Rac8 19. a3 Qb5 20. Nf3 Ng6 21. Kg1 Ncxe5 22. Nfxe5 Nxe5 23. Nd6 Rxc2 24. Nxb5 d3 25. Kf1 a6 26. Nd4 Rxb2 27. f4 Ng4 28. h3 Ne3+ 29. Kg1 Rfb8 30. Be4 Rb1+ 31. Rxb1 Rxb1+ 32. Kf2 d2 33. Bf3 Nc4 34. Nc2 d1Q 35. Bxd1 Rxd1 36. Ke2 Rd2+ 0-1

[Event "Curitiba 300 years op"]
[Site "Curitiba"]
[Date "1993.11.??"]
[Round "5"]
[White "Caio, Francisco Ferreira"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "95"]
[EventDate "1993.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 c6 4. Nf3 d5 5. cxd5 exd5 6. 0-0 Bd6 7. b3 0-0 8. Bb2 Nbd7 9. d3 Re8 10. Nbd2 Ne5 11. Rc1 Nxf3+ 12. Nxf3 Bg4 13. Qd2 a5 14. e3 Bb4 15. Qc2 Bd6 16. Qb1 c5 17. Qa1 b6 18. Rfe1 Ra7 19. Ne5 Bxe5 20. Bxe5 Be6 21. Rc2 Bf5 22. Rd2 Nh5 23. f3 f6 24. Bb2 Bd7 25. g4 Nf4 26. exf4 Rxe1+ 27. Qxe1 Bc6 28. Qe6+ Kf8 29. Qxc6 Re7 30. Kf2 d4 31. Re2 Rxe2+ 32. Kxe2 Qe7+ 33. Qe4 Qc7 34. Bc1 g6 35. Qe6 Kg7 36. Kf2 Qb7 37. h4 h6 38. h5 gxh5 39. gxh5 Qf7 40. Qxf7+ Kxf7 41. f5 Kg7 42. Bf4 Kh7 43. Bc7 Kg7 44. Bxb6 Kf7 45. Bxc5 Ke8 46. Bxd4 Ke7 47. Bc5+ Ke8 48. f4 1-0

[Event "Curitiba 300 years op"]
[Site "Curitiba"]
[Date "1993.11.??"]
[Round "6"]
[White "Costa e Silva, Ubirajara"]
[Black "Calixto, Roberto Carlos"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "58"]
[EventDate "1993.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 d5 4. Bd3 Bg7 5. c3 Na6 6. Nbd2 b6 7. 0-0 0-0 8. Re1 c5 9. e4 dxe4 10. Nxe4 cxd4 11. Nxf6+ Bxf6 12. Be4 Rb8 13. Nxd4 Nc5 14. Bh6 Nxe4 15. Rxe4 Bb7 16. Re1 Re8 17. Nc2 Qc7 18. Qe2 Qc6 19. f3 e5 20. Nb4 Qe6 21. Rad1 Bh4 22. Rf1 b5 23. Be3 a5 24. Nd3 e4 25. Nc5 exf3 26. gxf3 Qxe3+ 27. Qxe3 Rxe3 28. Nxb7 Rxb7 29. Rd8+ Bxd8 0-1

[Event "Curitiba 300 years op"]
[Site "Curitiba"]
[Date "1993.11.??"]
[Round "2"]
[White "Costa e Silva, Ubirajara"]
[Black "Chaves, Joara"]
[Result "0-1"]
[ECO "D05"]
[BlackElo "2025"]
[PlyCount "54"]
[EventDate "1993.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. Nbd2 Nbd7 6. 0-0 0-0 7. Re1 c5 8. c3 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Rb8 12. Bxh7+ Kxh7 13. Ng5+ Kg8 14. h4 Nf6 15. h5 cxd4 16. c4 e5 17. Ne4 Nxe4 18. Rxe4 Bf5 19. Re1 Qh4 20. g3 Qh3 21. Qf3 Bg4 22. Qg2 Qxh5 23. b3 Bf3 24. Qh2 Qxh2+ 25. Kxh2 f6 26. a3 Kf7 27. g4 e4+ 0-1

[Event "Curitiba 300 years op"]
[Site "Curitiba"]
[Date "1993.11.??"]
[Round "4"]
[White "Costa e Silva, Ubirajara"]
[Black "Drobrzenski, Gilberto"]
[Result "1-0"]
[ECO "A46"]
[PlyCount "103"]
[EventDate "1993.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 Bb4+ 4. c3 Be7 5. Bd3 b6 6. Nbd2 Bb7 7. 0-0 d6 8. e4 d5 9. e5 Ne4 10. Re1 Nxd2 11. Bxd2 Nd7 12. b4 Rc8 13. Qa4 a6 14. Bxa6 Ra8 15. b5 Bxa6 16. bxa6 Qc8 17. a7 Qb7 18. Bg5 Rxa7 19. Qb5 Bxg5 20. Nxg5 Qa6 21. Qb1 h6 22. Nxe6 fxe6 23. Qg6+ Kd8 24. Qxg7 Re8 25. Qxh6 c6 26. Qh4+ Kc7 27. Qh7 Qa3 28. Re3 Qb2 29. Rf1 Rxa2 30. Rf3 Ra1 31. g3 Rxf1+ 32. Kxf1 Qc1+ 33. Kg2 Qg5 34. Rf7 Qd8 35. f4 Rf8 36. Rxf8 Qxf8 37. h4 Qf5 38. Qxf5 exf5 39. h5 c5 40. Kf2 Nf8 41. Ke3 c4 42. Kd2 Kd7 43. Kc2 Ke6 44. Kb2 Kf7 45. Ka3 Kg7 46. Kb4 Kh6 47. Kb5 Kxh5 48. Kc6 Kg4 49. Kxd5 Kxg3 50. e6 Kxf4 51. e7 Nd7 52. Ke6 1-0

[Event "Curitiba 300 years op"]
[Site "Curitiba"]
[Date "1993.11.??"]
[Round "8"]
[White "Costa e Silva, Ubirajara"]
[Black "Dudek, Lauremir"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "34"]
[EventDate "1993.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. c4 e6 5. Qb3 b6 6. Bd3 Nc6 7. Bd2 Qd7 8. a3 Bd6 9. cxd5 Nxd5 10. 0-0 Bxf3 11. gxf3 0-0 12. Bb5 a6 13. Bc4 b5 14. Bxd5 exd5 15. f4 Qg4+ 16. Kh1 Qf3+ 17. Kg1 Nxd4 0-1

[Event "Curitiba 300 years op"]
[Site "Curitiba"]
[Date "1993.11.??"]
[Round "1"]
[White "Guimaraes, Wagner Peixoto"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2290"]
[PlyCount "29"]
[EventDate "1993.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 e6 6. Nf3 Be7 7. Nc3 Nxc3 8. bxc3 0-0 9. Bd3 Qc7 10. Bd2 b6 11. h4 Bb7 12. Bxh7+ Kxh7 13. Ng5+ Bxg5 14. hxg5+ Kg8 15. Qh5 1-0

[Event "Curitiba 300 years op"]
[Site "Curitiba"]
[Date "1993.11.??"]
[Round "7"]
[White "Prantoni, Guido Jr"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "B98"]
[PlyCount "35"]
[EventDate "1993.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Bd7 9. e5 dxe5 10. fxe5 Nd5 11. Bxe7 Qxe7 12. Nxd5 exd5 13. 0-0-0 Qg5+ 14. Kb1 Bg4 15. Qxd5 Bxd1 16. Qxb7 Qd2 17. Qc8+ Ke7 18. Nf5# 1-0

[Event "Curitiba 300 years op"]
[Site "Curitiba"]
[Date "1993.11.??"]
[Round "3"]
[White "Sales Filho, Espedito Severiano"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "D03"]
[PlyCount "86"]
[EventDate "1993.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 Bg4 6. h3 Bxf3 7. Nxf3 Nbd7 8. Bd3 0-0 9. 0-0 Re8 10. c4 c6 11. cxd5 cxd5 12. Bb5 a6 13. Ba4 b5 14. Bb3 Rc8 15. Qe2 Nb6 16. a4 bxa4 17. Bxa4 Nxa4 18. Rxa4 a5 19. Bxf6 Bxf6 20. Rfa1 e5 21. dxe5 Bxe5 22. Nxe5 Rxe5 23. Qd2 Re4 24. Rxa5 Rec4 25. Rxd5 Rc1+ 26. Rxc1 Rxc1+ 27. Qxc1 Qxd5 28. b4 Qb5 29. Qc8+ Kg7 30. Qc3+ f6 31. Qd4 Kf7 32. g4 Ke6 33. e4 Qe5 34. Qc4+ Kd6 35. b5 Qc5 36. Qd3+ Kc7 37. Qd5 Qc1+ 38. Kg2 Kb6 39. Qe6+ Kxb5 40. Qxf6 Qc6 41. Qxc6+ Kxc6 42. f4 Kd6 43. f5 Ke5 1-0

[Event "Curitiba 300 years op"]
[Site "Curitiba"]
[Date "1993.11.??"]
[Round "9"]
[White "Santana, Esli"]
[Black "Costa e Silva, Ubirajara"]
[Result "0-1"]
[ECO "B55"]
[PlyCount "86"]
[EventDate "1993.11.16"]
[EventType "swiss"]
[EventRounds "9"]
[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. Bd3 a6 6. Bg5 e6 7. Nd2 Be7 8. 0-0 0-0 9. c4 Nc6 10. N2f3 Nb4 11. Bb1 Bd7 12. e5 Ng4 13. exd6 Bxg5 14. Nxg5 Nf6 15. Ndf3 Bc6 16. c5 Nbd5 17. Qd4 h6 18. Nh3 Nd7 19. Qd3 N7f6 20. a3 Bb5 21. Qd1 Bxf1 22. Qxf1 b6 23. b4 bxc5 24. bxc5 Qa5 25. Qc1 Nc3 26. Bd3 Qxc5 27. Ra2 Ne2+ 28. Bxe2 Qxc1+ 29. Bf1 Nd7 30. a4 Rfb8 31. Re2 f6 32. Re1 Qc5 33. Rxe6 Rb1 34. Nd2 Rd1 35. Nf3 Rxf1+ 36. Kxf1 Qc4+ 37. Re2 Re8 38. Nd4 Rxe2 39. Nxe2 Kf7 40. Nhf4 Qxa4 41. g4 Qd1+ 42. Kg2 g5 43. Nc3 Qxg4+ 0-1

[Event "BRA-ch Seniors 2nd"]
[Site "Curitiba"]
[Date "1989.11.??"]
[Round "4"]
[White "Costa e Silva, Ubirajara"]
[Black "Maiolino, Alberico"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "121"]
[EventDate "1989.11.03"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 Bf5 4. Bg2 Nf6 5. b3 e6 6. Bb2 Nbd7 7. 0-0 Be7 8. cxd5 exd5 9. Ne5 0-0 10. d3 Qc7 11. Nxd7 Qxd7 12. Nd2 Rfe8 13. e4 dxe4 14. dxe4 Bh3 15. e5 Nd5 16. a3 Bxg2 17. Kxg2 Bf8 18. Re1 Rad8 19. Ne4 Qf5 20. Nd6 Bxd6 21. exd6 Rxe1 22. Qxe1 Qd7 23. b4 Qxd6 24. Be5 Qe6 25. Bb2 Re8 26. Qxe6 Rxe6 27. Bd4 a6 28. Kf1 Re4 29. Re1 Rxe1+ 30. Kxe1 Kf8 31. Ke2 g6 32. Kd3 Ke8 33. Ke4 Kd7 34. f4 Ke6 35. g4 Nf6+ 36. Bxf6 Kxf6 37. h4 b6 38. a4 Ke6 39. f5+ Kd6 40. fxg6 fxg6 41. Kd4 h6 42. g5 hxg5 43. hxg5 Ke6 44. Ke4 a5 45. bxa5 bxa5 46. Kd4 Kf5 47. Kc5 Kxg5 48. Kxc6 Kf5 49. Kb6 g5 50. Kxa5 g4 51. Kb6 g3 52. a5 g2 53. a6 g1Q+ 54. Kb7 Qg2+ 55. Kb8 Qc6 56. a7 Qb6+ 57. Ka8 Qd8+ 58. Kb7 Qd7+ 59. Kb8 Qb5+ 60. Ka8 Qa6 61. Kb8 1/2-1/2

[Event "BRA-ch Seniors 2nd"]
[Site "Curitiba"]
[Date "1989.11.??"]
[Round "1"]
[White "Costa e Silva, Ubirajara"]
[Black "Tavares da Silva, Luiz"]
[Result "0-1"]
[ECO "A14"]
[PlyCount "62"]
[EventDate "1989.11.03"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 e6 5. g3 Be7 6. Bg2 0-0 7. 0-0 Nbd7 8. d3 b6 9. cxd5 exd5 10. Nbd2 Bb7 11. e4 dxe4 12. dxe4 Qc7 13. e5 Nd5 14. Re1 Nc5 15. Nc4 Nb4 16. Qb1 Ncd3 17. Rd1 Nxb2 18. Qxb2 Nd5 19. Nd6 Bxd6 20. exd6 Qxd6 21. Nh4 g6 22. Rac1 Rfe8 23. Rc4 Qf6 24. Bxd5 Qxb2 25. Bxf7+ Kxf7 26. Rf4+ Kg8 27. Rd7 Qa1+ 28. Kg2 Ba6 29. Rff7 Qf1+ 30. Kf3 Be2+ 31. Kf4 Qxf2+ 0-1

[Event "BRA-ch Seniors 2nd"]
[Site "Curitiba"]
[Date "1989.11.??"]
[Round "5"]
[White "Matsuura, Queenti"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "A92"]
[PlyCount "65"]
[EventDate "1989.11.03"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Be7 5. Nc3 0-0 6. d4 d5 7. cxd5 Nxd5 8. 0-0 Qe8 9. Qb3 c6 10. Ne5 Bf6 11. f4 Qh5 12. e4 fxe4 13. Nxe4 Bxe5 14. dxe5 Nd7 15. Bf3 Qh3 16. Bd2 N7b6 17. Rac1 Bd7 18. Ng5 Qh6 19. Be4 g6 20. Qc2 Ne7 21. Bb4 Nbd5 22. Qb3 Nxb4 23. Qxb4 Nd5 24. Qd6 Nb6 25. Nxe6 Bxe6 26. Qxe6+ Kh8 27. Rcd1 Rae8 28. Qb3 Qh3 29. Bg2 Qc8 30. a4 a5 31. Qxb6 Qa8 32. Rd7 Rb8 33. Qc7 1-0

[Event "BRA-ch Seniors 2nd"]
[Site "Curitiba"]
[Date "1989.11.??"]
[Round "2"]
[White "Putti, Antonio"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "81"]
[EventDate "1989.11.03"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. d4 f5 3. Nc3 Nf6 4. Nf3 Be7 5. e3 0-0 6. Be2 d6 7. 0-0 Qe8 8. h3 Qh5 9. d5 Ne4 10. Nb5 Na6 11. Nfd4 Qh6 12. Nxe6 Bxe6 13. dxe6 Qxe6 14. b3 Bf6 15. Rb1 c6 16. Nd4 Bxd4 17. Qxd4 c5 18. Qb2 Qh6 19. f3 Ng3 20. Rf2 Rf6 21. e4 f4 22. Qd2 Raf8 23. Kh2 Nc7 24. Bb2 Rg6 25. Bd3 Ne6 26. e5 Nf5 27. Bxf5 Rxf5 28. exd6 Nd8 29. Rd1 Re6 30. Re2 Qg6 31. Rxe6 Qg3+ 32. Kh1 Nxe6 33. d7 Nd8 34. Re1 Qh4 35. Re8+ Kf7 36. Qc3 Qf6 37. Qxf6+ gxf6 38. Rxd8 Ke7 39. Rb8 Kxd7 40. Rxb7+ Kc6 41. Rxh7 1-0

[Event "BRA-ch Seniors 1st"]
[Site "Sao Paulo"]
[Date "1988.09.??"]
[Round "4"]
[White "Costa e Silva, Ubirajara"]
[Black "Segundo da Costa, Pedro"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "60"]
[EventDate "1988.09.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. e3 Nc6 4. exd4 Nxd4 5. Nxd4 Qxd4 6. d3 e5 7. Nc3 Ne7 8. Be3 Qd8 9. Be2 Nf5 10. 0-0 Nxe3 11. fxe3 Bc5 12. Nd5 c6 13. b4 Bf8 14. Bh5 Be6 15. Qf3 Qd7 16. Nf6+ gxf6 17. Qxf6 Rg8 18. Rab1 Bg7 19. Qf3 e4 20. Qxe4 0-0-0 21. Qxh7 Qxd3 22. Qxd3 Rxd3 23. Bxf7 Bxf7 24. Rxf7 Rxe3 25. Rd1 Be5 26. g3 Re2 27. Rdd7 Rxa2 28. Rxb7 Rd8 29. Rbe7 Rd1+ 30. Rf1 Bd4+ 0-1

[Event "BRA-ch Seniors 1st"]
[Site "Sao Paulo"]
[Date "1988.09.??"]
[Round "1"]
[White "Detthow, Bo"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "A82"]
[PlyCount "47"]
[EventDate "1988.09.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3 e6 5. fxe4 d6 6. Nf3 Nbd7 7. Bc4 Nb6 8. Bb3 Be7 9. 0-0 0-0 10. Ng5 d5 11. e5 Ne4 12. Rxf8+ Qxf8 13. Ngxe4 dxe4 14. Nxe4 Bd7 15. Bg5 Bc6 16. Qg4 Bxe4 17. Bxe7 Qxe7 18. Qxe4 c6 19. Qg4 Nd5 20. c4 Ne3 21. Qe4 Nf5 22. c5 Re8 23. Qxf5 Kh8 24. Qg4 1-0

[Event "BRA-ch Seniors 1st"]
[Site "Sao Paulo"]
[Date "1988.09.??"]
[Round "2"]
[White "Queiroz, Alexandre"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "79"]
[EventDate "1988.09.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 e6 5. Be2 a6 6. a4 Nf6 7. 0-0 Be7 8. b3 0-0 9. Bb2 Qc7 10. d3 Ng4 11. Qd2 Qb6 12. h3 Nf6 13. Kh2 e5 14. f5 Bd7 15. Nd1 Nd4 16. Ne3 Qd8 17. Nc4 b5 18. axb5 axb5 19. Rxa8 Qxa8 20. Nb6 Qa2 21. Bxd4 cxd4 22. Nxd7 Nxd7 23. g4 Nf6 24. g5 Nh5 25. Nxe5 dxe5 26. Bxh5 g6 27. Bd1 Qb2 28. h4 Rc8 29. Kh3 Rc3 30. Qf2 Qc1 31. fxg6 Qe3+ 32. Qxe3 dxe3 33. gxh7+ Kh8 34. Kg4 e2 35. Bxe2 Rxc2 36. Rxf7 Rxe2 37. Rxe7 Rd2 38. Rd7 Rb2 39. g6 Rg2+ 40. Kh5 1-0

[Event "BRA-ch Seniors 1st"]
[Site "Sao Paulo"]
[Date "1988.09.??"]
[Round "5"]
[White "Tavares da Silva, Luiz"]
[Black "Costa e Silva, Ubirajara"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "69"]
[EventDate "1988.09.14"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nc6 3. e3 Nf6 4. b3 g6 5. Bb2 Bg7 6. Bb5 Bd7 7. 0-0 0-0 8. a4 a6 9. Be2 Re8 10. Ne5 Nxe5 11. Bxe5 Ne4 12. Bxg7 Kxg7 13. d3 Nf6 14. Bf3 e5 15. Nd2 c6 16. g3 Bh3 17. Re1 e4 18. dxe4 dxe4 19. Bh1 Bg4 20. Qc1 b5 21. Bg2 Qd7 22. axb5 cxb5 23. c4 Qe6 24. cxb5 Rac8 25. Qb2 Kg8 26. Rxa6 Qxa6 27. bxa6 Re6 28. h3 Bf3 29. Ra1 Nd5 30. Nxf3 Nxe3 31. Ng5 Rc2 32. Qxc2 Nxc2 33. Nxe6 Nxa1 34. Nc7 e3 35. Bf3 1-0

