[Event "Sao Paulo Interclubs"]
[Site "Sao Paulo"]
[Date "2003.??.??"]
[Round "1"]
[White "D'Israel, Davy Maurice"]
[Black "Umetsubo, Otavio"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2291"]
[BlackElo "2098"]
[PlyCount "125"]
[EventDate "2003.03.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 093 Extra"]
[Source "ChessBase"]
[SourceDate "2003.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.05.09"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 Nf8 8. Qc2 c6 9. Nge2 Ne6 10. Bh4 g6 11. 0-0 0-0 12. Rad1 Ng7 13. f3 Nf5 14. Bf2 c5 15. dxc5 Bxc5 16. Bxf5 Bxf5 17. e4 Bxf2+ 18. Rxf2 Be6 19. Nf4 Rc8 20. Qb3 Qd6 21. Nfxd5 Bxd5 22. Nxd5 b6 23. Rfd2 Rfd8 24. Nxf6+ Qxf6 25. e5 Qe7 26. Rd6 Kg7 27. Qd3 Re8 28. f4 Qh4 29. Qd4 Rc2 30. Rd7 Re6 31. Rf1 Qg4 32. Rf2 Rc1+ 33. Rf1 Rc2 34. Qd5 Rxb2 35. Rxa7 Qe2 36. Ra3 Rd2 37. Qf3 Rxa2 38. Rxa2 Qxa2 39. h4 Qc2 40. h5 gxh5 41. Qxh5 Rg6 42. Qf3 Qf5 43. Re1 h5 44. Qe4 Qxe4 45. Rxe4 Rc6 46. f5 Kf8 47. Kf2 Ke7 48. Kf3 Rc5 49. Kf4 Rc2 50. g3 Rf2+ 51. Kg5 Rf3 52. g4 hxg4 53. Rxg4 Rb3 54. Rc4 Rg3+ 55. Kf4 Rg1 56. Rc7+ Ke8 57. Rb7 Rf1+ 58. Kg5 Rc1 59. Rxb6 Ke7 60. Rb7+ Ke8 61. Kf6 Rc6+ 62. e6 fxe6 63. Rb8+ 1-0

[Event "Sao Paulo Interclubs"]
[Site "Sao Paulo"]
[Date "2003.??.??"]
[Round "3"]
[White "Lee, Orlando"]
[Black "Umetsubo, Otavio"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2288"]
[BlackElo "2098"]
[PlyCount "39"]
[EventDate "2003.03.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 093 Extra"]
[Source "ChessBase"]
[SourceDate "2003.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.05.09"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 e5 9. 0-0 0-0 10. h3 Qe7 11. Bb3 Kh8 12. Rd1 h6 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qh4 e4 16. Ne5 Bxe5 17. dxe5 Qxe5 18. Bd2 Nd5 19. Bxd5 Qxd5 20. Bb4 1-0

[Event "Sao Paulo Interclubs"]
[Site "Sao Paulo"]
[Date "2003.??.??"]
[Round "4"]
[White "Umetsubo, Otavio"]
[Black "Klimas, Alexandre"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2098"]
[PlyCount "56"]
[EventDate "2003.03.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 093 Extra"]
[Source "ChessBase"]
[SourceDate "2003.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.05.09"]
[SourceQuality "1"]

1. d4 c5 2. e3 e6 3. Nf3 d5 4. Nbd2 Nc6 5. c3 Bd7 6. Bd3 f5 7. Ne5 Nxe5 8. dxe5 Ne7 9. f4 Qb6 10. c4 Nc6 11. a3 Be7 12. 0-0 h5 13. Qc2 g6 14. b3 h4 15. h3 0-0-0 16. Bb2 Rh5 17. Rac1 a5 18. Be2 Rh7 19. cxd5 exd5 20. Bf3 Be6 21. Rfd1 Rg7 22. Nf1 Kb8 23. b4 axb4 24. axb4 Nxb4 25. Qb3 c4 26. Bd4 Qxd4 27. Qxb4 Qxd1 28. Qb2 Qb3 0-1

[Event "Sao Paulo Interclubs"]
[Site "Sao Paulo"]
[Date "2003.??.??"]
[Round "2"]
[White "Umetsubo, Otavio"]
[Black "Resende, Antonio Carlos"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2098"]
[BlackElo "2368"]
[PlyCount "74"]
[EventDate "2003.03.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 093 Extra"]
[Source "ChessBase"]
[SourceDate "2003.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.05.09"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Nbd2 Nf6 4. e4 d6 5. Bc4 0-0 6. Qe2 Nc6 7. c3 e5 8. dxe5 dxe5 9. 0-0 Nh5 10. Rd1 Nf4 11. Qe1 Qf6 12. b4 Bg4 13. b5 Na5 14. Bf1 Rfd8 15. Bb2 Nd3 16. Bxd3 Rxd3 17. h3 Bxf3 18. Nxf3 Rad8 19. Rxd3 Rxd3 20. Qe2 Qd8 21. Nd4 Nc4 22. Qxd3 Nxb2 23. Qc2 exd4 24. Qxb2 dxc3 25. Qc2 Bd4 26. Rd1 Qf6 27. Rd3 c5 28. bxc6 bxc6 29. Rf3 Qe6 30. h4 h5 31. g3 Qc4 32. Kg2 Qb4 33. Qd3 Qc5 34. Qa6 c2 35. Qc8+ Kg7 36. Qd7 Bf6 37. e5 c1Q 0-1

[Event "Paulisto-ch1"]
[Site "Americana"]
[Date "2000.??.??"]
[Round "2"]
[White "Umetsubo, Otavio"]
[Black "Pelikian, Jefferson"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2393"]
[PlyCount "82"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. Be2 0-0 6. 0-0 Nbd7 7. b4 Re8 8. Bb2 a5 9. a3 Nb6 10. c4 axb4 11. axb4 Rxa1 12. Qxa1 dxc4 13. Nxc4 Nbd5 14. b5 Ne4 15. Rc1 Bh6 16. Nfe5 Nd6 17. Qa4 Be6 18. Ra1 f6 19. Nxd6 cxd6 20. Nc4 f5 21. Bf3 f4 22. e4 Nb6 23. Nxb6 Qxb6 24. Be2 Rc8 25. d5 Bd7 26. Bd4 Qc7 27. b6 Qc1+ 28. Rxc1 Rxc1+ 29. Qd1 Rxd1+ 30. Bxd1 Bg7 31. Bxg7 Kxg7 32. Kf1 Kf6 33. Ke2 Ke5 34. Kd3 Bb5+ 35. Kc3 Kxe4 36. Bf3+ Ke5 37. h4 Bd7 38. Kd3 Bf5+ 39. Kc3 Be4 40. Bxe4 Kxe4 41. Kc4 h6 0-1

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "1"]
[White "Bere Filho, Romulo Fernando"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2126"]
[PlyCount "77"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg5 h6 6. Bh4 0-0 7. Nbd2 b6 8. c3 Bb7 9. Be2 Nbd7 10. 0-0 c5 11. Re1 a6 12. Rc1 Be7 13. Ne5 Nxe5 14. dxe5 Nd7 15. Bxe7 Qxe7 16. f4 Rfd8 17. Bf3 Nf8 18. Qe2 Ng6 19. g3 d4 20. exd4 cxd4 21. c4 d3 22. Qg2 Bxf3 23. Qxf3 Qb4 24. Red1 Qxb2 25. Rb1 Qxa2 26. Rxb6 Qc2 27. Rbb1 a5 28. Rbc1 Qb2 29. c5 Ne7 30. c6 Qb6+ 31. Qf2 Qxf2+ 32. Kxf2 Rdc8 33. Ne4 Rxc6 34. Rxc6 Nxc6 35. Rxd3 Nb4 36. Ra3 Nd5 37. h4 h5 38. Ke2 Kf8 39. Kd3 1/2-1/2

[Event "Paulisto-ch Clas3"]
[Site "Registro"]
[Date "1999.??.??"]
[Round "3"]
[White "Braga, Cicero Nogueira"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2405"]
[PlyCount "84"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 Nf6 3. Bg2 Nbd7 4. 0-0 e5 5. d3 Bc5 6. Nc3 c6 7. e4 dxe4 8. dxe4 0-0 9. Qe2 Qc7 10. Nh4 Nb6 11. Bg5 Bg4 12. Bf3 Bxf3 13. Qxf3 Ne8 14. Rad1 Nd6 15. Rd3 f6 16. Bc1 Nf7 17. Nf5 Rfd8 18. Rfd1 Rxd3 19. Rxd3 Rd8 20. h4 Rxd3 21. Qxd3 Qd8 22. Qe2 Nd6 23. Qd1 Qf8 24. h5 Nxf5 25. exf5 h6 26. Ne4 Be7 27. b3 Qc8 28. Qg4 Kh8 29. Qg6 Qf8 30. c4 Nc8 31. Be3 b6 32. Qg4 Nd6 33. Nxd6 Bxd6 34. Qe4 Qc8 35. Kf1 Be7 36. Ke2 Qe8 37. g4 Kg8 38. a4 Qd7 39. Bd2 Bc5 40. f3 a5 41. Be3 Bxe3 42. Kxe3 Qd6 1/2-1/2

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "7"]
[White "Goldman, Marcelo"]
[Black "Umetsubo, Otavio"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "55"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. Nc3 c6 4. Nf3 b5 5. a3 Bg4 6. d4 a6 7. Be2 e6 8. 0-0 d5 9. e5 Nfd7 10. Qe1 c5 11. dxc5 Bxc5+ 12. Kh1 Nc6 13. Qg3 h5 14. h3 Bf5 15. Nh4 Bxc2 16. f5 Nf8 17. Qxg7 Rh7 18. Qg3 Qc7 19. fxe6 fxe6 20. Bg5 Qxe5 21. Bf4 Qh8 22. Rac1 Nd4 23. Bf3 Nd7 24. Rxc2 Nxc2 25. Qg6+ Kd8 26. Qxc2 Rc8 27. Bg5+ Be7 28. Ng6 1-0

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "3"]
[White "Graetz, H."]
[Black "Umetsubo, Otavio"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "50"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. e5 Nd5 8. Nxd5 cxd5 9. c3 0-0 10. h3 Bxf3 11. Bxf3 dxe5 12. dxe5 Nc6 13. Re1 Qc7 14. Bf4 b5 15. Rc1 Rfc8 16. Qd3 Rab8 17. Rc2 Nb4 18. cxb4 Qxc2 19. Qd4 Qc4 20. Qxa7 Bxb4 21. Rc1 Qxf4 22. Rc7 Qxe5 23. Rxc8+ Rxc8 24. g3 Bc5 25. Qd7 Qe1+ 0-1

[Event "Paulisto-ch"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "5"]
[White "Marques, Vinicius de Abreu"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "2251"]
[PlyCount "27"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. d5 g6 5. c4 Bg7 6. Nc3 0-0 7. Nge2 Nbd7 8. 0-0 a5 9. Rb1 Nc5 10. Bc2 b6 11. a3 a4 12. Be3 Ba6 13. Bxc5 bxc5 14. Bd3 1/2-1/2

[Event "Paulisto-ch Clas3"]
[Site "Registro"]
[Date "1999.??.??"]
[Round "5"]
[White "Nogueira, Isabel"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "32"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Be7 10. 0-0 Bh5 11. Ne5 Nxe5 12. Bxe5 0-0 13. Qc2 Bg6 14. Bxf6 Bxf6 15. Rac1 b5 16. f4 Bxd3 1/2-1/2

[Event "Paulisto-ch"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "2"]
[White "Umetsubo, Otavio"]
[Black "Braga, Cicero Nogueira"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2405"]
[PlyCount "80"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bc4 0-0 6. Qe2 Nc6 7. c3 Nh5 8. Nb3 e5 9. dxe5 dxe5 10. 0-0 h6 11. Be3 Nf4 12. Qc2 Bg4 13. Nbd2 Na5 14. Bb5 a6 15. Ba4 b5 16. Bb3 Qe7 17. h3 Bc8 18. Rfd1 Bb7 19. c4 b4 20. Ba4 Ne2+ 21. Kh1 Rad8 22. Nb3 Nxb3 23. Bxb3 Nd4 24. Bxd4 exd4 25. Nd2 d3 26. Qc1 Qf6 27. f3 Qxb2 28. Qxb2 Bxb2 29. Rab1 Bc3 30. c5 Kg7 31. Bc4 Rd4 32. Bb3 Bc6 33. Nc4 Bb5 34. Nd6 c6 35. Kg1 a5 36. a4 bxa3 37. Kf2 Rd8 38. Rbc1 Bb2 39. Rb1 Rb4 40. Ba2 Bd4+ 0-1

[Event "Paulisto-ch Clas3"]
[Site "Registro"]
[Date "1999.??.??"]
[Round "6"]
[White "Umetsubo, Otavio"]
[Black "Chang, Suzana"]
[Result "1-0"]
[ECO "A46"]
[PlyCount "35"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 c5 2. e3 d6 3. Nf3 Nf6 4. Nbd2 Nbd7 5. c3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Qe2 b6 9. e4 Bb7 10. e5 Nd5 11. e6 N7f6 12. exf7+ Kh8 13. Re1 h6 14. Nf1 Rxf7 15. Qe6 Qf8 16. Nh4 Kh7 17. Bd3 Bc8 18. Nxg6 1-0

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "6"]
[White "Umetsubo, Otavio"]
[Black "Cohn, Max Eduardo"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "67"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d5 5. e5 Ng4 6. Bd3 c5 7. c3 Nc6 8. 0-0 0-0 9. Re1 Qb6 10. h3 Nh6 11. dxc5 Qxc5 12. Nb3 Qb6 13. g4 Qc7 14. Bf4 f5 15. g5 Nf7 16. Qe2 Nfd8 17. Nbd4 Ne6 18. Nxe6 Bxe6 19. Nd4 Nxd4 20. cxd4 Qb6 21. Rad1 Qxd4 22. Bxf5 Qb6 23. Bxe6+ Qxe6 24. Qe3 Rac8 25. Bg3 Rc2 26. Qb3 Qf5 27. Qxd5+ e6 28. Qxb7 Qxg5 29. Rd7 Rfxf2 30. Rxg7+ Kf8 31. Re3 Rg2+ 32. Qxg2 Qxe3+ 33. Bf2 Qc1+ 34. Kh2 0-1

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "4"]
[White "Umetsubo, Otavio"]
[Black "Da Silva, Luiz Carlos R"]
[Result "1-0"]
[ECO "D04"]
[PlyCount "47"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 Bg4 4. c4 e6 5. Nc3 Nbd7 6. Qb3 b6 7. cxd5 exd5 8. Nxd5 Nxd5 9. Qxd5 Be6 10. Qc6 Bd6 11. Bd3 0-0 12. 0-0 Nf6 13. Qc2 c5 14. e4 Rc8 15. e5 cxd4 16. Qd1 Ng4 17. exd6 Qxd6 18. h3 Nf6 19. Bg5 Nd5 20. Bh4 f5 21. Re1 f4 22. Bxh7+ Kh8 23. Bd3 Nb4 24. Ng5 1-0

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "5"]
[White "Umetsubo, Otavio"]
[Black "De Holanda, Cleber Moreira"]
[Result "1/2-1/2"]
[ECO "B07"]
[BlackElo "2175"]
[PlyCount "113"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bc4 Nbd7 6. Qe2 e5 7. dxe5 dxe5 8. 0-0 0-0 9. Rd1 Qe7 10. c3 h6 11. Nf1 Nc5 12. Ng3 Bg4 13. h3 Bd7 14. b4 Na4 15. Qc2 Nb6 16. Bb3 a5 17. a4 Be6 18. b5 Rfd8 19. Ba3 Rxd1+ 20. Qxd1 Qe8 21. Qc2 Nc4 22. Bc5 b6 23. Bxc4 Bxc4 24. Be3 Qe6 25. Qd2 Kh7 26. Nh2 Re8 27. h4 Re7 28. h5 Rd7 29. Qe1 Qd6 30. hxg6+ fxg6 31. f3 Qd3 32. Ngf1 Nh5 33. Ng4 Nf4 34. Bxf4 exf4 35. e5 Qxf1+ 36. Qxf1 Bxf1 37. Rxf1 Re7 38. Rd1 h5 39. Nf6+ Bxf6 40. exf6 Rf7 41. Rd4 g5 42. Rc4 Kg6 43. Rc6 g4 44. fxg4 hxg4 45. Kf2 Kf5 46. c4 Ke4 47. c5 bxc5 48. Rxc5 Rxf6 49. Rxc7 Rd6 50. Re7+ Kf5 51. Ra7 Rd2+ 52. Kf1 g3 53. Rxa5 Rf2+ 54. Ke1 Rxg2 55. b6+ Ke4 56. b7 Ke3 57. Re5+ 1/2-1/2

[Event "Paulisto-ch"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "6"]
[White "Umetsubo, Otavio"]
[Black "De Toledo, James Mann"]
[Result "1/2-1/2"]
[ECO "A80"]
[BlackElo "2389"]
[PlyCount "21"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. Bf4 Nf6 4. e3 Be7 5. h3 b6 6. Be2 Bb7 7. 0-0 0-0 8. c4 Ne4 9. Nfd2 Bf6 10. f3 Nxd2 11. Qxd2 1/2-1/2

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "2"]
[White "Umetsubo, Otavio"]
[Black "Sady, Joao Jose"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2145"]
[PlyCount "39"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. Nbd2 g6 4. e4 Bg7 5. Bc4 0-0 6. Qe2 c6 7. Bb3 a5 8. a3 b5 9. 0-0 Ba6 10. e5 b4 11. Bc4 Nh5 12. axb4 d5 13. Bxa6 Nxa6 14. Nb3 f5 15. c3 Qb6 16. Rxa5 h6 17. Bd2 e6 18. Nh4 g5 19. Ng6 Nf4 20. Bxf4 1-0

[Event "Paulisto-ch Clas3"]
[Site "Registro"]
[Date "1999.??.??"]
[Round "4"]
[White "Umetsubo, Otavio"]
[Black "Segal, Alexandru Sorin"]
[Result "1/2-1/2"]
[ECO "A47"]
[BlackElo "2338"]
[PlyCount "20"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 b6 4. c3 Bb7 5. Nbd2 g6 6. Bc4 e6 7. 0-0 Bg7 8. b4 cxb4 9. cxb4 0-0 10. Bb2 Qe7 1/2-1/2

[Event "Paulisto-ch"]
[Site "Americana"]
[Date "1998.??.??"]
[Round "2"]
[White "Boava, Diego"]
[Black "Umetsubo, Otavio"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "60"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. b4 Bf5 3. d3 e6 4. Bb2 Bxb4+ 5. c3 Be7 6. Nbd2 Nf6 7. e4 dxe4 8. dxe4 Nxe4 9. Qa4+ Qd7 10. Bb5 c6 11. Be2 Nc5 12. Qd1 Nd3+ 13. Bxd3 Bxd3 14. Ne5 Qd5 15. Ndf3 Qe4+ 16. Kd2 Ba6 17. Re1 Qd5+ 18. Kc2 Qxd1+ 19. Raxd1 0-0 20. Re4 b6 21. c4 Bb7 22. Rg4 f6 23. Nd3 c5 24. Nf4 Kf7 25. Nh5 g6 26. Ng3 Nc6 27. Rf4 Nb4+ 28. Kb3 Bxf3 29. gxf3 f5 30. h4 Rfd8 0-1

[Event "Paulisto-chT"]
[Site "Sao Paulo"]
[Date "1998.??.??"]
[Round "2"]
[White "Borges, Leomar Barbero"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2215"]
[PlyCount "82"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 Bd6 5. Be2 0-0 6. 0-0 Nbd7 7. d4 Ne4 8. c4 c6 9. Nbd2 f5 10. g3 Qf6 11. Qc1 Rf7 12. Ba3 Bc7 13. b4 g5 14. b5 h5 15. bxc6 bxc6 16. cxd5 exd5 17. Qc2 h4 18. Rfc1 Bb7 19. Rab1 Nb6 20. Kg2 Re8 21. Bb2 hxg3 22. hxg3 f4 23. exf4 gxf4 24. Ne5 Bxe5 25. dxe5 Qg5 26. Nf3 Qg6 27. Nh4 Qh6 28. Rh1 Qe6 29. Bh5 fxg3 30. Bxf7+ Qxf7 31. e6 Rxe6 32. f3 Nc4 33. Bd4 c5 34. Bg1 Ned2 35. Rxb7 Qxb7 36. Qf5 Re2+ 37. Kxg3 Qc7+ 38. Kh3 Nf1 39. Qxd5+ Kh7 40. Qh5+ Kg8 41. Qd5+ Kh7 1/2-1/2

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "6"]
[White "Branco, Rodrigo R"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "D37"]
[PlyCount "83"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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 Nf6 4. Nf3 Nbd7 5. e3 Be7 6. cxd5 exd5 7. Bd3 Nf8 8. Ne5 Ne6 9. Bd2 0-0 10. 0-0 g6 11. Rc1 Ng7 12. Ne2 Bf5 13. Bxf5 Nxf5 14. Nf4 c6 15. Nfd3 Re8 16. Re1 Bf8 17. Bb4 Bg7 18. Nc5 Nd6 19. Qb3 Rb8 20. a4 Nfe4 21. Nxe4 Nxe4 22. f3 Bxe5 23. dxe5 Ng5 24. f4 Ne4 25. Red1 Qb6 26. a5 Qb5 27. Rd3 Rbd8 28. Be1 a6 29. Qxb5 axb5 30. a6 Re6 31. axb7 Rb8 32. Ra3 Rxb7 33. Ra8+ Kg7 34. Bb4 h6 35. Rc8 Ra7 36. h3 Ra6 37. Bf8+ Kh7 38. Rc7 h5 39. Rxf7+ Kg8 40. Re7 Rxe7 41. Bxe7 Kf7 42. Bc5 1/2-1/2

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "2"]
[White "Candido, Wilson"]
[Black "Umetsubo, Otavio"]
[Result "0-1"]
[ECO "A14"]
[PlyCount "102"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Bb2 Nbd7 5. g3 Be7 6. Bg2 0-0 7. 0-0 c6 8. d3 b6 9. Qc2 Bb7 10. Nc3 Rc8 11. e4 dxe4 12. Nxe4 Nxe4 13. dxe4 Qc7 14. Rad1 Rfd8 15. Rfe1 e5 16. Bh3 f6 17. Nh4 Rb8 18. Nf5 Bf8 19. Qe2 Nc5 20. Qf3 Kh8 21. Nh4 Rxd1 22. Rxd1 Rd8 23. Bf5 Bc8 24. Bc1 Bxf5 25. exf5 Rxd1+ 26. Qxd1 Qd7 27. Qxd7 Nxd7 28. Nf3 Kg8 29. Kg2 Nc5 30. Ne1 Ne4 31. Bb2 Nd6 32. g4 Nb7 33. Nd3 Nc5 34. Nxc5 Bxc5 35. Kf3 Kf7 36. Ke2 Bd4 37. Bc1 Bc5 38. Be3 Bd4 39. Kd3 Bxe3 40. Kxe3 Ke7 41. f4 Kd6 42. b4 b5 43. cxb5 cxb5 44. fxe5+ Kxe5 45. h4 h5 46. gxh5 Kxf5 47. Kf3 Ke5 48. Ke3 Kd5 49. h6 gxh6 50. Kd3 f5 51. h5 f4 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "3"]
[White "Claverie, Raul Ricardo"]
[Black "Umetsubo, Otavio"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "82"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 e6 4. Nc3 Qc7 5. g3 Nc6 6. Bg2 g6 7. 0-0 Bg7 8. d3 Nge7 9. Be3 Nd4 10. Nh4 0-0 11. f4 d6 12. g4 f5 13. exf5 exf5 14. g5 Bd7 15. Rc1 Bc6 16. Nd5 Bxd5 17. cxd5 Rfe8 18. Qd2 Rac8 19. Nf3 Ne2+ 20. Qxe2 Nxd5 21. Ne5 Nxe3 22. Qxe3 dxe5 23. Qf3 Re7 24. Rf2 exf4 25. Qxf4 Qxf4 26. Rxf4 Rd8 27. Rf3 b6 28. b3 Rde8 29. Bf1 Bd4+ 30. Kg2 Kg7 31. h4 h6 32. gxh6+ Kxh6 33. Kh1 Re3 34. Kg2 Kh5 35. Rf4 Re1 36. b4 R8e3 37. a4 a5 38. bxc5 bxc5 39. Rc4 Ra1 40. Kh1 Ra2 41. Bg2 Rg3 0-1

[Event "Brasil op"]
[Site "Jundiai"]
[Date "1998.??.??"]
[Round "?"]
[White "Domingues, Jair Vicente"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "78"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. d4 c6 4. f4 Qa5 5. e5 Ne4 6. Qf3 Nxc3 7. Bd2 Bf5 8. Bxc3 Qd5 9. Qxd5 cxd5 10. Bb5+ Nd7 11. 0-0-0 dxe5 12. dxe5 e6 13. Nf3 Bg4 14. Rhf1 0-0-0 15. h3 Bxf3 16. Rxf3 h5 17. Ba5 b6 18. Be1 Be7 19. Kb1 g6 20. b4 Nb8 21. a4 Kb7 22. Be2 Rc8 23. g4 hxg4 24. hxg4 Rh1 25. f5 gxf5 26. gxf5 Nc6 27. fxe6 fxe6 28. c3 Nxe5 29. Re3 Bf6 30. Bg3 Rxd1+ 31. Bxd1 Nc4 32. Rxe6 Nd2+ 33. Ka2 Ne4 34. Bf3 Nxc3+ 35. Kb3 Ne4 36. Bxe4 Rc3+ 37. Ka2 dxe4 38. Bd6 Rf3 39. Rxe4 a6 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "4"]
[White "Emendorfer, Daniel V Goncalves"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "B28"]
[PlyCount "82"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. Bg5 Qc7 9. 0-0 Bxc3 10. bxc3 Nxe4 11. Bxe4 dxe4 12. Qd5 0-0 13. Nc5 Nc6 14. Qxe4 b6 15. Nd3 f6 16. Be3 Be6 17. Nf4 Bf7 18. Nd5 Bxd5 19. Qxd5+ Kh8 20. Rab1 Rab8 21. f4 Rfe8 22. Qb3 b5 23. fxe5 Nxe5 24. Bf4 Rbc8 25. Rbe1 h6 26. Qa3 Qc5+ 27. Qxc5 Rxc5 28. Bxe5 Rexe5 29. Rxe5 Rxe5 30. Rb1 Rc5 31. Rb3 Kg8 32. Kf2 Kf7 33. Ke3 Ke6 34. Kd3 f5 35. a4 g5 36. axb5 axb5 37. Ra3 Rd5+ 38. Ke2 f4 39. Ra6+ Rd6 40. Ra5 Rd5 41. Ra6+ Rd6 1/2-1/2

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1998.??.??"]
[Round "?"]
[White "Graziano, Stephen"]
[Black "Umetsubo, Otavio"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "93"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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 c6 4. e3 Qb6 5. Qc1 Bf5 6. Bd3 Bxd3 7. cxd3 e6 8. 0-0 Be7 9. Nc3 0-0 10. h3 Nbd7 11. Ne5 Nxe5 12. dxe5 Nd7 13. d4 c5 14. Qd2 cxd4 15. exd4 Bb4 16. a3 Bxc3 17. Qxc3 Rac8 18. Qd3 Rc4 19. Rfd1 Rfc8 20. Rac1 Rxc1 21. Rxc1 Rxc1+ 22. Bxc1 Nb8 23. Qc3 Qc6 24. Bd2 Qxc3 25. Bxc3 Kf8 26. f4 h5 27. g4 hxg4 28. hxg4 g6 29. Kf2 Ke8 30. Kg3 Nc6 31. Kh4 b5 32. Kg5 a5 33. b4 a4 34. f5 gxf5 35. gxf5 Nb8 36. fxe6 fxe6 37. Kf6 Kd7 38. Bd2 Nc6 39. Be3 Nd8 40. Bh6 Nc6 41. Be3 Ne7 42. Bf2 Nc8 43. Be3 Nb6 44. Bc1 Na8 45. Bh6 Nc7 46. Bf8 Na6 47. Bd6 1-0

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "1"]
[White "Gutierrez, Ignacio"]
[Black "Umetsubo, Otavio"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "60"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 Nge7 5. Bc4 d6 6. 0-0 g6 7. f5 exf5 8. d3 Bg7 9. Qe1 Be6 10. exf5 Bxf5 11. Ng5 Ne5 12. g4 Nxc4 13. gxf5 Bd4+ 14. Kh1 Ne5 15. Nge4 Qb6 16. Bg5 Qc6 17. Bxe7 Kxe7 18. Qh4+ Kd7 19. Rab1 Rag8 20. Ne2 g5 21. Qh5 g4 22. Nxd4 cxd4 23. Kg1 Nf3+ 24. Kf2 Rg7 25. f6 Rg6 26. Qf5+ Kd8 27. Rbe1 d5 28. Ng3 Rxf6 29. Qxg4 Nxh2+ 30. Kg1 Nxg4 0-1

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "4"]
[White "Mafra, Kaiser Luiz"]
[Black "Umetsubo, Otavio"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "78"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nge2 Nbd7 7. b4 Qxb4 8. Bd2 Qb6 9. Rb1 Qc7 10. 0-0 Be7 11. Kh1 a6 12. Qe1 b5 13. Nd1 c5 14. Ba5 Qa7 15. dxe5 dxe5 16. Ng3 c4 17. Be2 exf4 18. Rxf4 Ne5 19. Nf5 Bxf5 20. exf5 0-0 21. Nc3 Nc6 22. Bf3 Nxa5 23. Bxa8 Rxa8 24. Ne4 Nc6 25. g4 Qc7 26. Nxf6+ Bxf6 27. Re4 h6 28. h4 Rd8 29. g5 hxg5 30. Rd1 Ne7 31. hxg5 Bxg5 32. Rg4 Bf6 33. Rxd8+ Qxd8 34. Re4 Qd5 35. Kh2 Qxf5 36. c3 a5 37. Rxe7 Qh5+ 38. Kg1 Qg5+ 39. Kf1 Bxe7 0-1

[Event "Paulisto-chT "]
[Site "Americana"]
[Date "1998.??.??"]
[Round "3"]
[White "Rodrigues, Adriano Pfuhl"]
[Black "Umetsubo, Otavio"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2310"]
[PlyCount "55"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nd2 g6 4. Ngf3 Bg7 5. Be2 0-0 6. 0-0 Nfd7 7. c3 c5 8. Re1 Na6 9. d5 Nc7 10. a4 b6 11. Nc4 Ba6 12. Bg5 Bxc4 13. Bxc4 a6 14. Qe2 Ne5 15. Nxe5 dxe5 16. d6 Qxd6 17. Red1 Qc6 18. Bxe7 Rfc8 19. h4 h6 20. Qg4 b5 21. Rd6 Qxd6 22. Bxd6 bxc4 23. Bxc5 Ne6 24. Bb6 Rc6 25. a5 Rd6 26. Rd1 Rd3 27. Rxd3 cxd3 28. Qd1 1-0

[Event "Paulisto-chT"]
[Site "Sao Paulo"]
[Date "1998.??.??"]
[Round "1"]
[White "Suzuki, Ney"]
[Black "Umetsubo, Otavio"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "78"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. dxe5 dxe5 7. fxe5 Ng4 8. Nf3 Nxe5 9. Nxe5 Qxe5 10. 0-0 Be6 11. Bf4 Qc5+ 12. Kh1 Nd7 13. Qe2 0-0-0 14. e5 g6 15. Ne4 Qa5 16. Nd6+ Bxd6 17. exd6 Kb8 18. Rad1 Rhe8 19. Qf2 Ne5 20. Qg3 f6 21. Bxe5 Qxe5 22. Qxe5 fxe5 23. Be4 Kc8 24. h3 Kd7 25. b3 a5 26. c4 a4 27. Rd3 b6 28. Kg1 axb3 29. axb3 Rf8 30. g4 Rxf1+ 31. Kxf1 Rf8+ 32. Ke2 Rf4 33. Bg2 Rd4 34. Ke3 Rxd3+ 35. Kxd3 Kxd6 36. g5 c5 37. h4 Bf5+ 38. Ke3 Bc2 39. Bd5 Ke7 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "6"]
[White "Umetsubo, Otavio"]
[Black "Besen, Reinaldo"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "100"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 c5 2. e3 d5 3. Nf3 Nc6 4. Nbd2 Nf6 5. c3 Qc7 6. Bb5 e6 7. 0-0 a6 8. Bd3 Bd6 9. dxc5 Bxc5 10. e4 0-0 11. Qe2 a5 12. Kh1 Nd7 13. exd5 exd5 14. Nb3 Bd6 15. Nbd4 Nxd4 16. Nxd4 Qd8 17. Be3 Ne5 18. Rfe1 Qh4 19. g3 Qh3 20. f4 Bg4 21. Qf1 Nxd3 22. Qxd3 Rae8 23. Bd2 Bc5 24. Kg1 f5 25. Rxe8 Rxe8 26. Re1 Re4 27. Rxe4 fxe4 28. Qf1 Qh5 29. Be3 Be2 30. Qf2 Bd3 31. a3 a4 32. Qd2 Bxd4 33. Bxd4 Qf3 34. Bf2 Qe2 35. Qxe2 Bxe2 36. Be1 Kf7 37. Kf2 Bc4 38. Ke3 Kf6 39. Kd4 Kf5 40. h3 h5 41. Kc5 b5 42. Kd6 e3 43. Kc5 Ke4 44. g4 hxg4 45. hxg4 Kxf4 46. Kd4 Kf3 47. Bh4 Kxg4 48. Be1 Kf3 49. Bh4 e2 50. Be1 g5 0-1

[Event "Paulisto-chT"]
[Site "Sao Paulo"]
[Date "1998.??.??"]
[Round "2"]
[White "Umetsubo, Otavio"]
[Black "Borges, Leomar Barbero"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "2215"]
[PlyCount "65"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. Be2 0-0 6. 0-0 b6 7. b4 c5 8. c3 Nbd7 9. bxc5 bxc5 10. Qa4 a5 11. Rb1 Qc7 12. Ba3 Bb7 13. Rfc1 Bc6 14. Bb5 Nb6 15. Qd1 Nbd7 16. dxc5 Bxb5 17. Rxb5 Rfb8 18. c4 dxc4 19. Rxb8+ Rxb8 20. Rxc4 e5 21. c6 Nb6 22. Rc1 Nfd5 23. Ne4 Rd8 24. Qb3 a4 25. Qb5 Bh6 26. Bc5 f5 27. Nf6+ Kf7 28. Nxd5 Nxd5 29. Qxa4 Ke6 30. Qa7 Qxc6 31. Qxh7 Bf8 32. Qxg6+ Nf6 33. Ng5+ 1-0

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "1"]
[White "Umetsubo, Otavio"]
[Black "Bozzano, Enio Jr"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "87"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Nbd2 c5 4. e3 d5 5. c3 Nbd7 6. Bd3 Be7 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 Qb6 12. Qe2 Bd7 13. Bg5 Rfd8 14. Rad1 Bc6 15. Ne5 cxd4 16. Bxf6 Bxf6 17. Bxh7+ Kf8 18. Nxc6 Qxc6 19. Be4 Qb6 20. c4 Rd7 21. Bd3 Rc8 22. b3 Rc5 23. Rb1 Qb4 24. Rfd1 Rdc7 25. Qb2 Rh5 26. a3 Qd6 27. g3 Rcc5 28. b4 Rcg5 29. Qe2 Rh3 30. c5 Qc7 31. Rdc1 Rgh5 32. Be4 Rxh2 33. Qb5 Be5 34. Qxb7 Bxg3 35. Qxc7 Bxc7 36. b5 R2h4 37. Ba8 Ke7 38. b6 Rh8 39. bxc7 Rxa8 40. Rb8 Rh8 41. Rcb1 Kd7 42. R1b7 Rc8 43. Rxa8 Rxa8 44. Rb8 1-0

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1998.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "Cajal, Andre"]
[Result "0-1"]
[ECO "D05"]
[BlackElo "2165"]
[PlyCount "57"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Nbd2 d5 4. e3 Bd6 5. Bd3 0-0 6. 0-0 c5 7. c3 Nbd7 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4 11. Bxe4 h6 12. Qe2 Nf6 13. Bc2 b6 14. Ne5 Bb7 15. Rd1 Rc8 16. Be3 Qc7 17. Rac1 Bxe5 18. dxe5 Qxe5 19. f4 Qb8 20. f5 Qe5 21. fxe6 Qxe6 22. Qd2 Rcd8 23. Qe1 Rde8 24. Bd4 Qg4 25. Qg3 Re2 26. Bf2 Qxg3 27. hxg3 Ng4 28. Rf1 Ne3 29. Rce1 0-1

[Event "Brasil op"]
[Site "Jundiai"]
[Date "1998.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "Campelo, Leandro Fabricio"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2200"]
[PlyCount "76"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bc4 0-0 6. Qe2 Nc6 7. 0-0 e5 8. dxe5 dxe5 9. c3 Qe7 10. b4 a6 11. a4 Rd8 12. Ba3 Qe8 13. Nb3 h6 14. Rfd1 Nh5 15. g3 Bf8 16. Nh4 Kg7 17. Nf5+ Bxf5 18. exf5 Nf6 19. fxg6 fxg6 20. a5 e4 21. Bb2 Rxd1+ 22. Rxd1 Rd8 23. Rxd8 Qxd8 24. Nd2 Qe8 25. Nf1 Ne5 26. Bb3 Nd3 27. Ne3 Qe5 28. Kg2 Nxb2 29. Qxb2 Bxb4 30. Nd1 Bxa5 31. Bc2 Bb6 32. Qb3 Qf5 33. c4 Ng4 34. c5 Bxc5 35. Qxb7 Qf3+ 36. Kh3 Nxf2+ 37. Nxf2 Qf5+ 38. Ng4 Qf1+ 0-1

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "3"]
[White "Umetsubo, Otavio"]
[Black "Constantino, Fernando"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "66"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. Nbd2 Nc6 5. c3 d5 6. Bd3 Bd6 7. 0-0 0-0 8. dxc5 Bxc5 9. e4 e5 10. Qe2 Bg4 11. h3 Bxf3 12. Qxf3 d4 13. Nb3 b6 14. Bb5 Rc8 15. Bg5 dxc3 16. bxc3 Be7 17. Nd2 h6 18. Bxf6 Bxf6 19. Rfd1 Qe7 20. Nc4 Nb8 21. Nd6 Rcd8 22. Nf5 Qe6 23. Ba4 Be7 24. Bb3 Qf6 25. Bd5 Bc5 26. Rd3 Kh7 27. Qh5 Qg6 28. Qh4 Qg5 29. Qxg5 hxg5 30. Rad1 g6 31. Ne3 Kg7 32. Kh2 Bxe3 33. Rxe3 Rd7 1/2-1/2

[Event "Brasil op"]
[Site "Jundiai"]
[Date "1998.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "De Oliveira, Roberto Manoel"]
[Result "0-1"]
[ECO "A46"]
[BlackElo "2250"]
[PlyCount "74"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 c5 2. c3 e6 3. e3 Nf6 4. Nf3 Nc6 5. Nbd2 d6 6. Bd3 Be7 7. 0-0 0-0 8. a3 a5 9. e4 e5 10. dxc5 dxc5 11. Qc2 Qc7 12. a4 Bg4 13. Ne1 Nh5 14. Nc4 Rad8 15. f3 Be6 16. Be3 h6 17. Qe2 Nf4 18. Bxf4 exf4 19. Nc2 Ne5 20. Nxe5 Qxe5 21. Na3 c4 22. Bc2 Qc5+ 23. Kh1 Qe3 24. Qxe3 fxe3 25. Nb5 Bc5 26. Rfe1 Rd2 27. Rac1 Rfd8 28. Kg1 Rf2 29. Nd4 Bxd4 30. cxd4 Rxd4 31. Rf1 Rdd2 32. Rxf2 Rxf2 33. e5 Kf8 34. Kh1 Ke7 35. Kg1 Rd2 36. Kf1 Bd5 37. h3 Ke6 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "5"]
[White "Umetsubo, Otavio"]
[Black "Dumas Aviles, Alejandro"]
[Result "1-0"]
[ECO "D05"]
[BlackElo "2220"]
[PlyCount "111"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 b6 4. e3 e6 5. Nbd2 Bb7 6. Bd3 d5 7. 0-0 Nbd7 8. Ne5 Bd6 9. f4 0-0 10. Qf3 Ne8 11. Kh1 g6 12. Qh3 f5 13. Ndf3 Ndf6 14. Bd2 Ne4 15. Be1 Qc8 16. Rg1 Ba6 17. Bc2 Kg7 18. g4 Be2 19. Qg2 Bxf3 20. Qxf3 N8f6 21. gxf5 exf5 22. Bh4 Ne8 23. Qg2 Qe6 24. Rad1 c4 25. Qh3 Nc7 26. Rg2 b5 27. Rdg1 a5 28. Bxe4 dxe4 29. Bg5 Kg8 30. Qh6 Bxe5 31. dxe5 Ra6 32. Bf6 Rxf6 33. exf6 Qxf6 34. Rd2 Rd6 35. Rgd1 Rxd2 36. Rxd2 Qe7 37. Qg5 Kf7 38. Kg2 Qxg5+ 39. fxg5 Ke7 40. a4 bxa4 41. Rd4 Ke6 42. Rxc4 Nd5 43. Kf2 Ne7 44. Rxa4 Nc6 45. b4 axb4 46. cxb4 Kd5 47. b5 Ne5 48. h4 Kc5 49. Ra7 Kxb5 50. Rxh7 Kc6 51. Kg3 Kd6 52. Rh6 Ke7 53. h5 Kf7 54. Rxg6 Nxg6 55. hxg6+ Kxg6 56. Kf4 1-0

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "2"]
[White "Umetsubo, Otavio"]
[Black "Ezquerro Moreno, Juan Manuel"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "83"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Bf4 Nf6 4. e3 e6 5. Bd3 Bd6 6. Ne5 Qc7 7. Nd2 Nbd7 8. Nxd7 Bxd7 9. Bxd6 Qxd6 10. Nf3 Qb4+ 11. Qd2 Qxb2 12. 0-0 Qa3 13. Rfb1 b6 14. Ne5 Qd6 15. c3 0-0 16. Qe2 Rfc8 17. g4 Be8 18. Rf1 Nd7 19. f4 c5 20. Rf3 c4 21. Bc2 Nxe5 22. fxe5 Qa3 23. e4 Bd7 24. Raf1 Rf8 25. g5 Qe7 26. Rg3 g6 27. Rf6 Qa3 28. Bd1 b5 29. Qc2 Rab8 30. exd5 exd5 31. e6 Bxe6 32. Bh5 Kg7 33. Qe2 Qd6 34. Bg4 Rbe8 35. Qf1 Qd7 36. Qh3 Bxg4 37. Rxg4 h5 38. gxh6+ Kxf6 39. Rf4+ Ke7 40. Qh4+ Kd6 41. Qg3 Kc6 42. Rf6+ 0-1

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "7"]
[White "Umetsubo, Otavio"]
[Black "Leitao, Nicolau Daulibe"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "79"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 c5 4. c3 Nc6 5. Bd3 Nf6 6. Nbd2 Be7 7. 0-0 0-0 8. dxc5 Bxc5 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 h6 12. Qe2 Qe7 13. Bf4 Bd6 14. Bg3 Bxg3 15. hxg3 Re8 16. Rfe1 Bd7 17. Rad1 Rad8 18. Qb5 Rb8 19. Qh5 Rbd8 20. g4 Qf6 21. g5 hxg5 22. Nxg5 g6 23. Qh7+ Kf8 24. Qh6+ Qg7 25. Qh4 f6 26. Nf3 Kf7 27. Qg3 e5 28. Bd5+ Be6 29. Bxc6 bxc6 30. b3 Qh6 31. Qh2 Qxh2+ 32. Nxh2 Ke7 33. f3 Rd5 34. Rxd5 cxd5 35. Re3 Rc8 36. Nf1 Rc6 37. Kf2 Ra6 38. Re2 Rc6 39. Re3 Ra6 40. Re2 1/2-1/2

[Event "Sao Paulo State-ch3"]
[Site "Sao Caetano do Sul"]
[Date "1998.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "Limp, Eduardo Thelio"]
[Result "0-1"]
[ECO "D70"]
[BlackElo "2415"]
[PlyCount "114"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 c6 4. c4 g6 5. cxd5 cxd5 6. Be2 Bg7 7. 0-0 0-0 8. Nbd2 Nc6 9. b3 Bf5 10. Bb2 Rc8 11. a3 Ne8 12. b4 Bc2 13. Qe1 Nd6 14. b5 Na5 15. Rc1 Qb6 16. Nc4 Ndxc4 17. Rxc2 Qxb5 18. Ne5 Rc7 19. Nxc4 Nxc4 20. Qa1 Qa4 21. Rfc1 Rfc8 22. g3 e6 23. Bd1 Qd7 24. a4 Bf8 25. Be2 Nd6 26. Rxc7 Rxc7 27. Rxc7 Qxc7 28. Ba3 Nc8 29. Kg2 a6 30. Bc1 Bb4 31. Qb1 Qc3 32. Bb2 Qc6 33. Bd1 Nd6 34. h4 h5 35. g4 hxg4 36. Bxg4 f5 37. Bd1 Ne4 38. h5 Qe8 39. h6 Bf8 40. f3 Nf6 41. Bc1 Qc6 42. Qc2 Qxc2+ 43. Bxc2 Bxh6 44. f4 Bf8 45. Bd2 Ne8 46. a5 Nd6 47. Bd3 Kf7 48. Kf2 Be7 49. Ke2 Bd8 50. Kd1 Ne4 51. Be1 g5 52. Bxe4 dxe4 53. fxg5 Kg6 54. Kc2 Kxg5 55. Bd2 Kg4 56. Kd1 Kf3 57. Ke1 Bg5 0-1

[Event "Sao Paulo State-ch3"]
[Site "Sao Caetano do Sul"]
[Date "1998.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "Man Yee, Chow"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "2285"]
[PlyCount "97"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 Bd6 4. Bd3 f5 5. 0-0 Nf6 6. b3 Qe7 7. Bb2 0-0 8. Ne5 Bd7 9. a3 Be8 10. Nd2 c6 11. f3 g6 12. Qe2 Qg7 13. Kh1 a5 14. e4 Qh6 15. g4 dxe4 16. fxe4 Bxe5 17. dxe5 Nxg4 18. exf5 gxf5 19. Nc4 c5 20. Be4 Qxh2+ 21. Qxh2 Nxh2 22. Kxh2 fxe4 23. Nd6 Nd7 24. Nxe4 Bg6 25. Rg1 Rf5 26. Nf6+ Nxf6 27. exf6 Rf2+ 28. Rg2 Rxg2+ 29. Kxg2 Bxc2 30. Rc1 Be4+ 31. Kf2 Rd8 32. Ke3 Bg6 33. Bc3 Rd3+ 34. Kf4 b6 35. Ke5 Kf7 36. Kf4 Rh3 37. Kg5 Re3 38. b4 axb4 39. axb4 e5 40. bxc5 bxc5 41. Bd2 Rg3+ 42. Kh4 Rd3 43. Be1 Rd4+ 44. Kg5 h6+ 45. Kxh6 Kxf6 46. Rxc5 Bf7 47. Rxe5 Rd3 48. Re4 Kf5 49. Rh4 1/2-1/2

[Event "Paulisto-ch"]
[Site "Americana"]
[Date "1998.??.??"]
[Round "5"]
[White "Umetsubo, Otavio"]
[Black "Martins, Carlos"]
[Result "0-1"]
[ECO "A80"]
[BlackElo "2295"]
[PlyCount "78"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 g6 3. e3 Bg7 4. Be2 Nf6 5. Nf3 0-0 6. c3 d6 7. Nbd2 Qe8 8. Qb3+ Kh8 9. 0-0-0 Nbd7 10. Rdg1 e5 11. Qd1 b6 12. Ne1 Bb7 13. h4 Ne4 14. Nxe4 fxe4 15. h5 Rxf2 16. Rh2 Kg8 17. Rgh1 h6 18. Bh4 Rxe2 19. Qxe2 g5 20. Bg3 Qe6 21. Kb1 a5 22. Nc2 Ba6 23. Qd1 Bd3 24. Ka1 a4 25. Nb4 Bc4 26. a3 c5 27. Nc2 Nb8 28. Qd2 Nc6 29. d5 Bxd5 30. Rd1 Ne7 31. Rhh1 Bb3 32. Rhf1 d5 33. Kb1 Nc6 34. Qf2 Rf8 35. Qd2 Re8 36. Bf2 Na5 37. Bg1 Bc4 38. Rf2 d4 39. Qe1 Ba2+ 0-1

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "5"]
[White "Umetsubo, Otavio"]
[Black "Nunes, Joao"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "101"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. Be2 0-0 6. 0-0 c5 7. c3 Nbd7 8. b4 cxb4 9. cxb4 b6 10. Bb2 Bb7 11. Qb3 Ne8 12. Rac1 Nd6 13. Rfd1 b5 14. Ne5 Nc4 15. Ndf3 Re8 16. Nd3 Qc7 17. Bf1 Rad8 18. Ba1 e6 19. Bb2 f6 20. Nc5 Ndb6 21. a4 bxa4 22. Nxa4 Qd7 23. Nc5 Qf7 24. Ra1 Bc8 25. Ra2 Re7 26. Bc3 e5 27. Rda1 e4 28. Nd2 Nd6 29. b5 Bf5 30. Bb4 Nbc8 31. Nb1 Rc7 32. Nc3 Be6 33. Nxe6 Qxe6 34. Qxd5 Qxd5 35. Nxd5 Rb7 36. Nc3 f5 37. Bc5 Rdd7 38. Ra5 Bf6 39. R5a4 Kf7 40. Rb1 Ke6 41. Be2 Nb6 42. Ra6 Bd8 43. Rba1 Ndc8 44. Kf1 Kf7 45. Bc4+ Kg7 46. Be6 Rdc7 47. Rb1 Bf6 48. Nd5 Nxd5 49. Bxd5 Rb8 50. Bc6 Ne7 51. Bxa7 1-0

[Event "Paulisto-ch"]
[Site "Americana"]
[Date "1998.??.??"]
[Round "3"]
[White "Umetsubo, Otavio"]
[Black "Rocha, Wellington Carlos"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "2325"]
[PlyCount "89"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 d6 4. Nbd2 Nf6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. c3 e5 9. Qc2 d5 10. a3 b6 11. Re1 a5 12. Nf1 d4 13. c4 a4 14. Nxe5 Nxe5 15. f4 Nfd7 16. fxe5 Nxe5 17. Rb1 Ra7 18. b4 axb3 19. Rxb3 Bd7 20. Qb1 Ba4 21. Rb2 g5 22. Nd2 Bd7 23. Rb3 f5 24. exf5 Bxf5 25. Ne4 h6 26. Rb5 Bh3 27. Rxb6 Bxg2 28. Kxg2 Nxd3 29. Rd1 Nxc1 30. Rxc1 d3 31. Rd6 Qe8 32. Qxd3 Rxa3 33. Qd5+ Kh8 34. Rf1 Ra2+ 35. Rf2 Raxf2+ 36. Nxf2 Qe3 37. Qd2 Qf3+ 38. Kg1 Kg8 39. Rd8 Bd4 40. Rxf8+ Kxf8 41. Kf1 Kg7 42. Qe2 Qf7 43. Kg2 Bxf2 44. Qxf2 Qxc4 45. Qb2+ 0-1

[Event "Paulisto-chT "]
[Site "Americana"]
[Date "1998.??.??"]
[Round "3"]
[White "Umetsubo, Otavio"]
[Black "Rodrigues, Adriano Pfuhl"]
[Result "1/2-1/2"]
[ECO "A41"]
[BlackElo "2310"]
[PlyCount "19"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Bg4 3. Nbd2 Nd7 4. c3 c6 5. e4 Ngf6 6. Qc2 e5 7. Bc4 Be7 8. Qb3 0-0 9. Qxb7 Nb6 10. Bd3 1/2-1/2

[Event "Paulisto-chT"]
[Site "Sao Paulo"]
[Date "1998.??.??"]
[Round "1"]
[White "Umetsubo, Otavio"]
[Black "Suzuki, Ney"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "55"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Nbd2 d5 4. e3 c5 5. c3 Nbd7 6. Bd3 b6 7. 0-0 Bb7 8. Ne5 Bd6 9. f4 Rc8 10. Qf3 0-0 11. g4 Rc7 12. g5 Ne4 13. Nxe4 dxe4 14. Bxe4 Bxe4 15. Qxe4 cxd4 16. Nxd7 Rxd7 17. exd4 Qc7 18. Be3 Qc4 19. Rf2 Qb5 20. Re1 Rc7 21. Bc1 Qd7 22. Rf3 Qc6 23. Qd3 Qc4 24. Qxc4 Rxc4 25. b3 Rc7 26. c4 Bb4 27. Rd1 Rd8 28. Rfd3 1-0

[Event "Sao Paulo State-ch3"]
[Site "Sao Caetano do Sul"]
[Date "1998.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "Trindade, Sandro Heleno"]
[Result "0-1"]
[ECO "A47"]
[BlackElo "2365"]
[PlyCount "98"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 c5 2. e3 Nf6 3. Nf3 e6 4. Nbd2 b6 5. Bd3 Bb7 6. 0-0 Nc6 7. c3 Be7 8. Qe2 Qc7 9. a3 a6 10. e4 d6 11. Re1 b5 12. Nf1 e5 13. dxc5 dxc5 14. h3 Na5 15. Bd2 Nb3 16. Rad1 c4 17. Bc2 Nc5 18. Ng3 h6 19. Nh2 g6 20. Ng4 h5 21. Nxf6+ Bxf6 22. Be3 Ne6 23. a4 Bg7 24. b4 0-0 25. a5 Nf4 26. Qf1 h4 27. Ne2 Nd3 28. Bb6 Qc8 29. Bxd3 cxd3 30. Nc1 d2 31. Rxd2 Qxc3 32. Rd7 Bc8 33. Na2 Qa3 34. Rd2 Be6 35. Re3 Qa4 36. Bc5 Bxa2 37. Qa1 Bb3 38. Qxa4 bxa4 39. Bxf8 Bxf8 40. Rf3 Bxb4 41. Rdd3 Bxa5 42. Kh2 Bb6 43. g3 hxg3+ 44. Kxg3 Bd4 45. h4 Rc8 46. Kg4 Bc2 47. Rd2 Bxe4 48. Ra3 Rc4 49. Rda2 Bb1 0-1

[Event "Wch U16"]
[Site "Yerevan"]
[Date "1997.09.24"]
[Round "4"]
[White "Genocchio, Daniele"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "2215"]
[PlyCount "36"]
[EventDate "1997.09.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARM"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 Nge7 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. d3 Rb8 9. e5 d5 10. exd6 Nf5 11. Ne4 Ncd4 12. c3 Nxf3+ 13. Bxf3 b6 14. Qa4 a5 15. Re1 Nxd6 16. Be3 Nf5 17. Rad1 Ba6 18. Bf2 Qc7 1/2-1/2

[Event "Wch U16"]
[Site "Yerevan"]
[Date "1997.09.23"]
[Round "3"]
[White "Umetsubo, Otavio"]
[Black "Arutinian, David"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "72"]
[EventDate "1997.09.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ARM"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. Be2 0-0 6. 0-0 Nbd7 7. c3 c5 8. b4 b6 9. Bb2 Bb7 10. a4 a5 11. bxc5 bxc5 12. Ba3 c4 13. Qc2 Re8 14. Ne5 Nxe5 15. dxe5 Nd7 16. f4 Qc7 17. Nf3 Nf8 18. Rab1 f6 19. Kh1 Bc6 20. Nd4 fxe5 21. fxe5 Bxe5 22. e4 Bxd4 23. cxd4 Ne6 24. exd5 Bxd5 25. Qc3 Qc6 26. Bf3 Rad8 27. Rbd1 Bxf3 28. gxf3 Qd5 29. Bb2 Rb8 30. Qc2 Rf8 31. Qe2 Nf4 32. Qc2 Nd3 33. Ba3 Rxf3 34. Kg1 Qxd4+ 35. Kh1 Rbf8 36. Rxf3 Rxf3 0-1

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Ancheyta Tejas, Jose"]
[Black "Umetsubo, Otavio"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "63"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 a6 4. Nf3 Nf6 5. d3 e6 6. g3 Be7 7. Bg2 0-0 8. 0-0 Qc7 9. b3 Nc6 10. Bb2 Rb8 11. Qe2 Rd8 12. e5 dxe5 13. fxe5 Ng4 14. Rae1 Nh6 15. Ne4 Nd4 16. Nxd4 cxd4 17. Qf2 Qxe5 18. Bc1 Qf5 19. Qe2 Qg6 20. Bf3 e5 21. Bh5 Qc6 22. Bxh6 Qxh6 23. Rxf7 Bb4 24. Ref1 Bh3 25. R1f6 gxf6 26. Nxf6+ Kh8 27. Rxh7+ Qxh7 28. Nxh7 Kxh7 29. Qe4+ Kg8 30. Qg6+ Kh8 31. Qf6+ Kg8 32. Bf7+ 1-0

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Della Morte, Pablo"]
[Black "Umetsubo, Otavio"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "164"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. a4 d6 4. Nc3 Nf6 5. d4 cxd4 6. Nxd4 e6 7. g3 Be7 8. Bg2 0-0 9. 0-0 Nc6 10. Re1 Qc7 11. Nxc6 bxc6 12. a5 Bb7 13. Be3 c5 14. h3 Rad8 15. Qe2 Rfe8 16. Bf4 Nd7 17. Qc4 Qc8 18. Rad1 Nf8 19. g4 Bc6 20. Bf1 Bb7 21. Rd2 Ng6 22. Bg3 Qc7 23. Red1 Bf8 24. b4 Be7 25. Na4 Rc8 26. Nxc5 e5 27. Nxb7 Qxc4 28. Bxc4 Rxc4 29. Nxd6 Bxd6 30. Rxd6 Rxb4 31. Rxa6 Rxe4 32. Rad6 Ra4 33. Rd8 Kf8 34. Rxe8+ Kxe8 35. Rd5 f6 36. Rc5 Kd7 37. f3 Ne7 38. Kf1 Nc6 39. Be1 Nd4 40. Kf2 Ra2 41. Kg3 Rxc2 42. Rxc2 Nxc2 43. Bf2 g6 44. Bc5 h5 45. Kf2 hxg4 46. fxg4 Na1 47. h4 Nb3 48. Bb6 Nd2 49. Ke3 Nf1+ 50. Kf2 Nd2 51. Ke3 Nf1+ 52. Ke4 Ng3+ 53. Kf3 Nf1 54. Bg1 Nd2+ 55. Ke2 Ne4 56. Ke3 Nd6 57. h5 f5 58. h6 Nf7 59. h7 fxg4 60. a6 Kc8 61. Kf2 Kb8 62. Kg3 Ka8 63. Kxg4 Kb8 64. Kg3 Ka8 65. Kg2 Kb8 66. Kf1 Ka8 67. Ke2 Kb8 68. Kd2 Kc7 69. Kc3 Kb8 70. Kb4 Kc8 71. Ka5 Kb8 72. Bh2 Ka7 73. Bxe5 Ka8 74. Kb6 g5 75. a7 g4 76. Bg3 Nh8 77. Kc7 Kxa7 78. Kd7 Kb7 79. Ke8 Kc8 80. Kf8 Kd8 81. Kg7 Ke8 82. Kxh8 Kf7 1-0

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Leal, Joao Vitor"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "60"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 Bf5 3. Nf3 e6 4. Nc3 c6 5. cxd5 exd5 6. Bf4 Nf6 7. Qb3 Qb6 8. Qxb6 axb6 9. e3 Nbd7 10. Nh4 Bg6 11. Nxg6 hxg6 12. Bd3 Be7 13. h3 b5 14. 0-0 Nb6 15. b3 Kd7 16. f3 Bb4 17. Rac1 Bxc3 18. Rxc3 b4 19. Rc2 Rhe8 20. Re1 Ra3 21. Bf1 Nc8 22. Bg3 Nd6 23. Ree2 Nf5 24. Bf2 Ra6 25. g4 Nd6 26. Be1 Rb6 27. Kf2 Re7 28. Red2 Nfe8 29. Rc5 Nc7 30. Rdc2 Ndb5 1/2-1/2

[Event "Sao Paulo-ch"]
[Site "Sao Paulo"]
[Date "1996.??.??"]
[Round "1"]
[White "Ruppel, Luiz Bittencourt"]
[Black "Umetsubo, Otavio"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2255"]
[PlyCount "45"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Nc3 Qc7 4. d4 cxd4 5. Nxd4 e6 6. Bd3 Nc6 7. Nxc6 dxc6 8. 0-0 Nf6 9. Be3 Be7 10. f4 0-0 11. Qf3 e5 12. f5 b5 13. a3 c5 14. Nd5 Nxd5 15. exd5 c4 16. Be4 Bb7 17. f6 Bc5 18. fxg7 Bxe3+ 19. Qxe3 Kxg7 20. Qg5+ Kh8 21. Qf6+ Kg8 22. Bxh7+ Kxh7 23. Rf5 1-0

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "Carvalho, Rodrigo"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "69"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. b3 0-0 6. Bb2 Nbd7 7. Nbd2 Re8 8. Ne5 c5 9. 0-0 cxd4 10. exd4 Bc7 11. Re1 b6 12. Nc6 Bxh2+ 13. Kxh2 Qc7+ 14. Ne5 Bb7 15. Kg1 Nxe5 16. dxe5 Nd7 17. Re3 Nf8 18. Rh3 Ng6 19. Qh5 h6 20. Bxg6 fxg6 21. Qxg6 Qf7 22. Rxh6 Qxg6 23. Rxg6 Kf7 24. Rg3 Rh8 25. Nf3 Rac8 26. Ng5+ Ke7 27. Ba3+ Ke8 28. Nxe6 Kf7 29. Nd4 Rh6 30. Nf5 Rhc6 31. Nd6+ Rxd6 32. exd6 Rd8 33. Re1 Bc6 34. Re7+ Kf6 35. Rgxg7 1-0

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "Claverie, Raul Ricardo"]
[Result "1/2-1/2"]
[ECO "D05"]
[PlyCount "77"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. e3 Nf6 4. Bd3 c5 5. b3 Nc6 6. Bb2 Be7 7. 0-0 0-0 8. Ne5 Qc7 9. a3 a6 10. Nd2 b5 11. c4 Rb8 12. Nxc6 Qxc6 13. cxb5 axb5 14. dxc5 Qxc5 15. b4 Qd6 16. Nf3 Nd7 17. Nd4 Ba6 18. Rc1 Ne5 19. Be2 Nc4 20. Bxc4 bxc4 21. Re1 Bf6 22. Qg4 Bc8 23. Qf3 e5 24. Nf5 Qe6 25. Ng3 Ba6 26. Qf5 Qxf5 27. Nxf5 g6 28. Nh6+ Kg7 29. Ng4 Ra8 30. f4 Bc8 31. Nxf6 Kxf6 32. Bxe5+ Kf5 33. Ra1 Bd7 34. Bb2 Rfc8 35. Rac1 c3 36. Rxc3 Rxc3 37. Bxc3 Rxa3 38. Bd4 Bb5 39. g4+ 1/2-1/2

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "Gastiaburo, Hernan"]
[Result "1-0"]
[ECO "A47"]
[PlyCount "71"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 e6 4. e3 b6 5. Bd3 Bb7 6. 0-0 Qc7 7. Nbd2 Nc6 8. Re1 Be7 9. a3 d5 10. e4 dxe4 11. Nxe4 cxd4 12. cxd4 0-0 13. Bg5 Nd5 14. Rc1 Rfd8 15. Ne5 h6 16. Be3 Nxe3 17. fxe3 Bd6 18. Nxc6 Bxh2+ 19. Kh1 Bxc6 20. Bb5 Bxb5 21. Rxc7 Bxc7 22. Nc3 Bc6 23. Rf1 g6 24. Qe1 Rd7 25. Qh4 Kh7 26. Qf2 Rad8 27. Rd1 Kg7 28. Kg1 e5 29. b4 a6 30. Kf1 b5 31. Kg1 Bb6 32. Ne2 Kg8 33. Qf6 exd4 34. Qxc6 d3 35. Qxb6 dxe2 36. Qxd8+ 1-0

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "Medrano Urresti, David G"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "89"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 Bf5 6. Be2 0-0 7. 0-0 Nbd7 8. c4 c5 9. Nc3 Ne4 10. g4 Nxc3 11. bxc3 Be4 12. Nd2 Bc6 13. d5 Bxc3 14. dxc6 Bxa1 15. Qxa1 Nf6 16. Bh6 Re8 17. g5 e5 18. gxf6 Qxf6 19. f4 Qh4 20. Bg4 Qxh6 21. Ne4 f5 22. Nf6+ Kf7 23. Nxe8 Rxe8 24. fxe5 Qxe3+ 25. Kh1 bxc6 26. exd6 Qg3 27. Qd1 Rd8 28. d7 h5 29. Bxf5 gxf5 30. Qxh5+ Ke7 31. Qh7+ Ke6 32. Qxf5+ Kd6 33. Qf3 Qxf3+ 34. Rxf3 Rxd7 35. Rd3+ Ke6 36. Rxd7 Kxd7 37. Kg2 Ke6 38. Kf3 Ke5 39. Ke3 a6 40. a3 a5 41. a4 Kf5 42. h4 Kg4 43. Ke4 Kxh4 44. Ke5 Kg5 45. Kd6 1-0

[Event "BRA-ch U14"]
[Site "Praia de Leste"]
[Date "1995.05.??"]
[Round "6"]
[White "Adamovski, Wander"]
[Black "Umetsubo, Otavio"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "28"]
[EventDate "1995.05.11"]
[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 d6 2. d4 Nf6 3. Bd3 e5 4. d5 c6 5. c4 g6 6. Ne2 Bg7 7. 0-0 0-0 8. f4 a5 9. Nbc3 Na6 10. fxe5 dxe5 11. Kh1 Ng4 12. h3 Nh6 13. Ng3 Qh4 14. Nce2 Bxh3 0-1

[Event "BRA-ch U14"]
[Site "Praia de Leste"]
[Date "1995.05.??"]
[Round "3"]
[White "Aprigio, Rene"]
[Black "Umetsubo, Otavio"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "58"]
[EventDate "1995.05.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 g6 2. d4 Nf6 3. Nf3 Bg7 4. Bg5 0-0 5. e3 d6 6. Be2 Nbd7 7. 0-0 c5 8. Nc3 b6 9. a3 Bb7 10. b4 cxd4 11. exd4 Rc8 12. Be3 Qe8 13. Qb3 e6 14. a4 Ng4 15. a5 Nxe3 16. fxe3 a6 17. axb6 Nxb6 18. c5 Nd5 19. Nxd5 Bxd5 20. Qc3 dxc5 21. bxc5 Rb8 22. Bxa6 Rb3 23. Qc1 Bh6 24. Re1 Bxf3 25. gxf3 Qc6 26. Bc4 Rb4 27. Qc3 Rfb8 28. e4 Bg7 29. Qd3 Rd8 1/2-1/2

[Event "BRA-ch U14"]
[Site "Praia de Leste"]
[Date "1995.05.??"]
[Round "5"]
[White "Ferreira, Rodrigo R"]
[Black "Umetsubo, Otavio"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "132"]
[EventDate "1995.05.11"]
[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 g6 3. Nc3 Bg7 4. Bg5 0-0 5. Nf3 d6 6. e3 c5 7. Bd3 Na6 8. a3 Nc7 9. d5 a6 10. 0-0 Rb8 11. Qd2 b5 12. cxb5 axb5 13. Rab1 b4 14. Bxf6 Bxf6 15. axb4 Rxb4 16. e4 Bg4 17. Qf4 Bc8 18. Rfe1 Bg7 19. Re2 Bb7 20. Ra1 e6 21. Ra4 Bxc3 22. Rxb4 Bxb4 23. Qh6 Qf6 24. e5 Qg7 25. Qxg7+ Kxg7 26. exd6 Nxd5 27. Bb5 Rd8 28. d7 Nf4 29. Re3 Bxf3 30. Rxf3 Nd5 31. Rd3 Kf8 32. Bc6 Ke7 33. Bxd5 exd5 34. Rxd5 Rxd7 35. Rxd7+ Kxd7 36. Kf1 Ke6 37. Ke2 Ke5 38. Ke3 g5 39. g3 g4 40. f3 gxf3 41. Kxf3 Bd2 42. Ke2 Bc1 43. b3 Kd4 44. Kd1 Ba3 45. Kc2 h5 46. Kd2 f5 47. h3 Bb4+ 48. Ke2 Kc3 49. Kf3 Kxb3 50. Kf4 c4 51. Kxf5 c3 52. Kg5 c2 53. Kxh5 c1Q 54. g4 Be7 55. h4 Qc5+ 56. g5 Bxg5 57. hxg5 Qd5 58. Kh6 Qh1+ 59. Kg6 Kc4 60. Kf6 Qh8+ 61. Kf5 Qg8 62. Kf6 Kd5 63. g6 Ke4 64. g7 Kf4 65. Kg6 Ke5 66. Kh6 Kf6 0-1

[Event "BRA-ch U14"]
[Site "Praia de Leste"]
[Date "1995.05.??"]
[Round "2"]
[White "Umetsubo, Otavio"]
[Black "Achutti, Andre"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "39"]
[EventDate "1995.05.11"]
[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. Bf4 Bf5 4. e3 e6 5. c4 c5 6. Nc3 Nc6 7. Be2 dxc4 8. Bxc4 cxd4 9. Nxd4 Nxd4 10. exd4 Rc8 11. Qa4+ Nd7 12. 0-0 a6 13. Bb3 Bd3 14. Rfe1 Rxc3 15. Bxe6 Rc6 16. Bf5+ Be7 17. Bxd3 h5 18. Qb3 0-0 19. Qd5 Rf6 20. Qe4 1-0

[Event "BRA-ch U14"]
[Site "Praia de Leste"]
[Date "1995.05.??"]
[Round "1"]
[White "Umetsubo, Otavio"]
[Black "Andriolli, Gabriel"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "125"]
[EventDate "1995.05.11"]
[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 g6 3. Bf4 d6 4. e3 Bg7 5. h3 Nbd7 6. c3 c6 7. Be2 0-0 8. 0-0 Re8 9. a4 Nf8 10. Nbd2 a6 11. b4 Bd7 12. c4 b5 13. c5 dxc5 14. bxc5 Nd5 15. Bg3 Nc3 16. Qe1 Nxa4 17. Qc1 Qa5 18. Ne4 f5 19. Rxa4 bxa4 20. Nc3 Be6 21. Ne5 Rac8 22. Qc2 Bb3 23. Bc4+ e6 24. Bxb3 axb3 25. Qxb3 Qd8 26. Nc4 Ra8 27. Na4 Nd7 28. Nab6 Ra7 29. Nd6 Re7 30. Nbc8 Ra8 31. Nxe7+ Qxe7 32. Qb7 Rb8 33. Qxc6 e5 34. Qd5+ Kf8 35. Bh4 Nf6 36. Bxf6 Bxf6 37. dxe5 Bxe5 38. Nc4 Bf6 39. Nb6 Rd8 40. Qc4 Qa7 41. Qc2 Be7 42. Rc1 Qc7 43. Qc3 Kf7 44. Qc4+ Kf8 45. Qxa6 Qe5 46. Qc4 Kg7 47. c6 Qc7 48. Nd5 Qd6 49. c7 Rc8 50. Nxe7 Qxe7 51. Qc5 Qxc5 52. Rxc5 Kf7 53. Kf1 Ke7 54. Ke2 Kd6 55. Rc1 Rxc7 56. Rxc7 Kxc7 57. Kd3 Kd7 58. Kd4 Kd6 59. f4 h6 60. h4 Ke6 61. Kc5 Kf6 62. Kd6 g5 63. h5 1-0

[Event "BRA-ch U14"]
[Site "Praia de Leste"]
[Date "1995.05.??"]
[Round "7"]
[White "Umetsubo, Otavio"]
[Black "Capuano Neto, Fausto"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "28"]
[EventDate "1995.05.11"]
[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 e6 3. Bf4 c5 4. c3 d5 5. e3 Bd6 6. Bg3 Nc6 7. Bd3 Qe7 8. Ne5 0-0 9. Nd2 Nd7 10. f4 f6 11. Nef3 e5 12. fxe5 fxe5 13. Bh4 Qe8 14. Ng5 Nf6 1/2-1/2

[Event "BRA-ch U14"]
[Site "Praia de Leste"]
[Date "1995.05.??"]
[Round "4"]
[White "Umetsubo, Otavio"]
[Black "Ratcu, Fabio Kaawar"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "139"]
[EventDate "1995.05.11"]
[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 g6 3. Bf4 Bg7 4. e3 0-0 5. h3 d6 6. c3 Nfd7 7. Bc4 Nc6 8. 0-0 e5 9. Bg3 Kh8 10. Nbd2 Qe7 11. Rb1 f5 12. b4 g5 13. a4 h5 14. Nxe5 Bxe5 15. Qxh5+ Kg7 16. dxe5 Ndxe5 17. Ba2 Rh8 18. Qe2 Qf6 19. Rfc1 Qh6 20. f4 Nf7 21. Qc4 Ncd8 22. fxg5 Qxg5 23. Qf4 Qg6 24. Nf1 Ne6 25. Bxe6 Bxe6 26. b5 Ne5 27. Qd4 Qf6 28. Bxe5 dxe5 29. Qc5 Kh6 30. Qxc7 Rh7 31. Qc5 Rg7 32. Rb2 Rag8 33. Rcc2 f4 34. exf4 exf4 35. g4 fxg3 36. Qe3+ Kh7 37. Qe4+ Bf5 38. Qf3 Qb6+ 39. Kg2 Bxc2 40. Rxc2 Qg6 41. Rc1 Rf7 42. Qd5 Qf5 43. Qxf5+ Rxf5 44. Rd1 Rf2+ 45. Kg1 Re2 46. Rd3 Re1 47. Kg2 Re2+ 48. Kg1 Ra2 49. Nxg3 Rxa4 50. Kf2 Rf4+ 51. Kg2 Rf7 52. Rd4 Rg6 53. Rd3 Rg5 54. c4 Rc7 55. Rd4 Kg8 56. Rd8+ Kf7 57. h4 Rg4 58. Kh3 Rgxc4 59. Ra8 Rb4 60. Rxa7 Rxb5 61. h5 Kg7 62. Kg4 Rf7 63. Kh3 Rb3 64. Ra8 Rff3 65. h6+ Kxh6 66. Rg8 Rxg3+ 67. Rxg3 Rxg3+ 68. Kxg3 Kg5 69. Kf3 b5 70. Ke2 1/2-1/2

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "4"]
[White "Alcantara, Fabio"]
[Black "Umetsubo, Otavio"]
[Result "1-0"]
[ECO "A12"]
[PlyCount "41"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. e3 Bf5 4. Bb2 e6 5. c4 c6 6. Nh4 Bg4 7. Be2 Bxe2 8. Qxe2 Bd6 9. 0-0 Nbd7 10. f4 Qb6 11. cxd5 cxd5 12. Nc3 0-0 13. Nf3 Rac8 14. Rac1 a6 15. Na4 Qa7 16. Bd4 b6 17. Ne5 Nc5 18. Ng4 Nxg4 19. Qxg4 f5 20. Qg5 Be7 21. Qxg7# 1-0

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "2"]
[White "Suzuki, Ernesto Koh"]
[Black "Umetsubo, Otavio"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "119"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 Bg4 7. Be3 Bxf3 8. gxf3 Nbd7 9. Qd2 0-0-0 10. 0-0-0 g6 11. Kb1 Bg7 12. Bc4 Rhf8 13. d5 exf4 14. Bxf4 Nb6 15. Be2 Rfe8 16. dxc6 bxc6 17. Bf1 Nh5 18. Bh3+ f5 19. Bg5 Bxc3 20. Qxc3 Qxc3 21. bxc3 Na4 22. Rd3 Rd7 23. exf5 Rb7+ 24. Kc1 Kc7 25. Kd2 gxf5 26. Rd4 Nb6 27. Rh4 Ng7 28. Rxh7 Kb8 29. Bf1 Ne6 30. Rxb7+ Kxb7 31. Be3 Nd5 32. Bd4 c5 33. Bf2 Ng5 34. c4 Nf6 35. Kc1 Nh5 36. h4 Ne6 37. Bh3 f4 38. Re1 Neg7 39. Rxe8 Nxe8 40. Kd2 Kc6 41. Be6 Nef6 42. Kd3 d5 43. cxd5+ Nxd5 44. Ke4 Nc3+ 45. Ke5 Nd1 46. Be1 Ne3 47. Bf7 Ng7 48. h5 Ngf5 49. Kxf4 Nh6 50. Kxe3 Nxf7 51. Bh4 Kd5 52. Bg3 Kc4 53. Kd2 a5 54. Bf4 Kd5 55. h6 c4 56. h7 Ke6 57. Kc3 Kf5 58. Be3 Kg6 59. Kxc4 Kxh7 60. Kb5 1-0

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "6"]
[White "Umetsubo, Otavio"]
[Black "Bonfim, Regina Rodrigues"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "92"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bf4 0-0 6. Nf3 Nbd7 7. Be2 Ne8 8. Qd2 c6 9. h4 h5 10. Bh6 Qc7 11. Bxg7 Kxg7 12. b4 e5 13. Ng5 Ndf6 14. b5 Qe7 15. d5 c5 16. a4 Bd7 17. 0-0 Nc7 18. Rab1 b6 19. a5 Ng8 20. Na4 Rab8 21. Rbd1 Nh6 22. f3 f6 23. Ne6+ Bxe6 24. dxe6 Rfd8 25. Nc3 Nxe6 26. Nd5 Qb7 27. Ra1 Ra8 28. Ra3 Nf7 29. Rfa1 Nc7 30. Ne3 Rdb8 31. Qa2 Qc8 32. Nd5 Nxd5 33. exd5 bxa5 34. Rxa5 Rb7 35. Ra6 Qd8 36. Qb2 Kh7 37. Bd3 f5 38. g3 Kg8 39. b6 Rab8 40. Rxa7 Rxb6 41. Qc1 Qf6 42. Rb1 e4 43. Bc2 Qd4+ 44. Kg2 exf3+ 45. Kf1 Qxc4+ 46. Kf2 Qe2+ 0-1

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "1"]
[White "Umetsubo, Otavio"]
[Black "Da Silva, Gilnei"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "60"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Bd6 4. Bg3 Nf6 5. e3 0-0 6. Bd3 Ne4 7. Nbd2 f5 8. Be5 Nd7 9. 0-0 Nxe5 10. dxe5 Be7 11. c3 c5 12. Qc2 Qc7 13. c4 g5 14. cxd5 exd5 15. h3 Nxd2 16. Qxd2 g4 17. hxg4 fxg4 18. Nh2 Qxe5 19. Qc2 Rf6 20. Bxh7+ Kh8 21. Bd3 Rh6 22. g3 c4 23. Bg6 Kg7 24. Be8 Bf5 25. Qa4 Bd6 26. Bd7 Rah8 27. Bxf5 Qxf5 28. f4 Rxh2 29. Qxa7 Rh1+ 30. Kf2 Qc2+ 0-1

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "3"]
[White "Umetsubo, Otavio"]
[Black "Nunes Neto, Andre"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "81"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c6 4. Nbd2 Nbd7 5. e3 e6 6. c3 Be7 7. h3 0-0 8. Bd3 c5 9. 0-0 c4 10. Bc2 b6 11. Ne5 Nxe5 12. dxe5 Nd7 13. e4 Nc5 14. exd5 Qxd5 15. Nf3 Nd3 16. Bxd3 cxd3 17. Nd4 Ba6 18. Qg4 Qe4 19. Rfe1 Qg6 20. Qxg6 hxg6 21. b4 Rac8 22. b5 Bb7 23. Bd2 Bc5 24. Nb3 Bd5 25. Red1 Bc4 26. Nxc5 Rxc5 27. a4 Rxe5 28. Be3 Rd8 29. Rab1 Red5 30. Rb4 Rc8 31. Bd2 Re5 32. Be3 f5 33. g3 Rd5 34. Bd2 e5 35. Ra1 Rdd8 36. a5 Ra8 37. Rxc4 e4 38. Rc6 bxa5 39. Rxg6 Rd5 40. Rxa5 Kf7 41. Rga6 1-0

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "7"]
[White "Umetsubo, Otavio"]
[Black "Rosa, Marcio"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "27"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 e6 5. Nbd2 Qb6 6. Rb1 Nc6 7. c3 Nh5 8. Bg3 Nxg3 9. hxg3 e5 10. Nxe5 Nxe5 11. dxe5 Bf5 12. e4 dxe4 13. Qa4+ Bd7 14. Qxe4 1/2-1/2

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "5"]
[White "Umetsubo, Otavio"]
[Black "Saliba, Bruno"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "67"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 g6 3. e3 Bg7 4. Bd3 Nf6 5. Nf3 Nc6 6. 0-0 0-0 7. c4 d6 8. Nc3 Qe8 9. Nb5 Qd7 10. Rc1 Nb4 11. Bb1 c6 12. Nc3 Qe8 13. Qb3 c5 14. Rfd1 Bd7 15. dxc5 dxc5 16. a3 Nc6 17. Bxf6 Bxf6 18. Qxb7 Be6 19. Qa6 Rc8 20. b4 cxb4 21. axb4 Nxb4 22. Qxe6+ Kh8 23. Nd4 Rc5 24. Nd5 Nxd5 25. cxd5 Rxc1 26. Rxc1 Qa4 27. Nc6 Bb2 28. Rf1 Bf6 29. Nxe7 Bxe7 30. Qxe7 Re8 31. Qf7 Rb8 32. d6 Qa5 33. Ba2 Rd8 34. Qf6# 1-0

