[Event "Matinhos Caioba-ch"]
[Site "Matinhos"]
[Date "2015.08.30"]
[Round "5"]
[White "Ogata, Edson Akio"]
[Black "Costa, Ane Caroline"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2068"]
[BlackElo "1734"]
[PlyCount "45"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d5 3. e3 c5 4. d4 e6 5. c3 Nc6 6. Nbd2 Be7 7. Bd3 0-0 8. 0-0 Ng4 9. Ng5 f5 10. Ndf3 h6 11. Nh3 Qe8 12. Nf2 Nf6 13. Ne5 Ne4 14. Be2 Nxe5 15. fxe5 Kh7 16. Nxe4 fxe4 17. Rxf8 Qxf8 18. Bd2 cxd4 19. cxd4 Bd7 20. Rc1 Rc8 21. Rxc8 Qxc8 22. Qb3 Bc6 23. Bb4 1/2-1/2

[Event "Matinhos Caioba-ch"]
[Site "Matinhos"]
[Date "2015.08.30"]
[Round "6"]
[White "Yoshioka, Hugo"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1759"]
[BlackElo "2068"]
[PlyCount "94"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 d6 4. Bg5 Nbd7 5. e3 g6 6. Nf3 Bg7 7. Be2 0-0 8. 0-0 h6 9. Bh4 e5 10. h3 c6 11. Qb3 Kh7 12. Rfd1 Re8 13. Rac1 e4 14. Nd2 Qb6 15. c5 dxc5 16. dxc5 Nxc5 17. Qxb6 axb6 18. Nc4 Ncd7 19. Bxf6 Bxf6 20. Nd6 Rd8 21. Bc4 Ne5 22. Be2 b5 23. a3 Be7 24. Nxc8 Raxc8 25. b4 Kg7 26. Nb1 Kf7 27. Nd2 Ra8 28. Ra1 Bxb4 29. Nb1 Rxd1+ 30. Bxd1 Ke7 31. Kf1 Nc4 32. Ke2 Nxa3 33. Nxa3 Rxa3 34. Rxa3 Bxa3 35. Kd2 Bb4+ 36. Ke2 c5 37. f3 Kd6 38. Bc2 Ke5 39. fxe4 fxe4 40. g4 g5 41. Bb3 c4 42. Bc2 Bc3 43. Bb1 b4 44. Kd1 b3 45. Kc1 b5 46. Kd1 Ba5 47. Ke2 c3 0-1

[Event "Matinhos Caioba-ch"]
[Site "Matinhos"]
[Date "2015.08.29"]
[Round "4"]
[White "Biazotto, Guilherme"]
[Black "Ogata, Edson Akio"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1767"]
[BlackElo "2068"]
[PlyCount "36"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Be2 c6 6. d3 Qc7 7. Bg5 Nbd7 8. 0-0 e6 9. Qd2 Bd6 10. Rad1 h6 11. Bh4 Bf4 12. Qe1 Ng4 13. Bg3 Bxg3 14. hxg3 Qa5 15. Nh2 Nxh2 16. Kxh2 Nf6 17. a3 h5 18. Ne4 Ng4+ 1/2-1/2

[Event "Matinhos Caioba-ch"]
[Site "Matinhos"]
[Date "2015.08.29"]
[Round "3"]
[White "Ogata, Edson Akio"]
[Black "Moura de Lima, Wilian Rither De"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2068"]
[BlackElo "1960"]
[PlyCount "106"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Qa4+ Nbd7 6. Nc3 g6 7. g3 Bg7 8. Bg2 0-0 9. d4 a6 10. Qb3 Nb6 11. Nge2 e6 12. dxe6 Bxe6 13. Qd1 Qd7 14. 0-0 Bh3 15. Bxh3 Qxh3 16. Nf4 Qd7 17. Qb3 Nc8 18. Be3 Re8 19. Ncd5 Nxd5 20. Nxd5 Rd8 21. Nc3 Ne7 22. Rac1 Nf5 23. Rcd1 h5 24. Bg5 Re8 25. Nd5 Nxd4 26. Rxd4 Bxd4 27. Bf6 Rad8 28. Bxd8 Rxd8 29. Nc3 Qc6 30. Ne2 Bg7 31. Rc1 Qd7 32. Nc3 Qc6 33. Rd1 Rxd1+ 34. Nxd1 Qc1 35. Kg2 Qd2 36. Kf3 b5 37. a3 Bd4 38. Ke4 Bxf2 39. Nxf2 Qxf2 40. h4 Qf5+ 41. Kd4 Qe6 42. Kc3 Qxb3+ 43. Kxb3 f6 44. Kb4 g5 45. Ka5 gxh4 46. gxh4 f5 47. b4 f4 48. Kxa6 f3 49. Kxb5 f2 50. a4 f1Q+ 51. Ka5 Qe1 52. Kb5 Qxh4 53. a5 Qd8 0-1

[Event "Matinhos Caioba-ch"]
[Site "Matinhos"]
[Date "2015.08.28"]
[Round "1"]
[White "Ogata, Edson Akio"]
[Black "Rodriguez, Paulo Virgilio Rios"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2068"]
[BlackElo "2004"]
[PlyCount "79"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 e6 4. Bg2 d5 5. d4 c6 6. Qd3 Bd6 7. Nf3 0-0 8. a3 Ne4 9. Nd2 Nd7 10. e3 Ndf6 11. f3 Nxc3 12. Qxc3 Qe7 13. 0-0 e5 14. b4 f4 15. gxf4 exf4 16. e4 Bc7 17. Bb2 dxe4 18. fxe4 Ng4 19. Rae1 Ne3 20. Rf2 Qh4 21. d5 Qh6 22. Bf3 Re8 23. Nf1 Be5 24. Qc1 Nxf1 25. Rexf1 Bh3 26. Rd1 a5 27. bxa5 Qg5+ 28. Kh1 Rxa5 29. Rd3 Rc5 30. dxc6 Rxc6 31. Rd5 Bxb2 32. Rxb2 Qh4 33. Rh5 Qe7 34. Rxh3 Qxa3 35. e5 Rce6 36. Bg4 Qa6 37. Bxe6+ Rxe6 38. Rf3 Rxe5 39. Qxf4 Qa1+ 40. Rf1 1-0

[Event "Matinhos Caioba-ch"]
[Site "Matinhos"]
[Date "2015.08.28"]
[Round "2"]
[White "Rodrigues, Edgar"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2329"]
[BlackElo "2068"]
[PlyCount "169"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. 0-0 Nbd7 6. Nbd2 0-0 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bd3 b6 11. Bg5 Bb7 12. Qe2 Be7 13. c3 Ng4 14. Bf4 Nf6 15. Rad1 Bd6 16. Bg5 Be7 17. Rfe1 Bxf3 18. Qxf3 Qd5 19. Qxd5 Nxd5 20. Bc1 Rfd8 21. Be4 b5 22. Rd3 h6 23. Kf1 Rab8 24. g3 a5 25. f4 Kf8 26. Rf3 Rb6 27. Kg2 f5 28. Bc2 Kf7 29. h3 h5 30. Rf2 c5 31. dxc5 Bxc5 32. Rfe2 g6 33. Re5 Bf8 34. Kf3 Bg7 35. R5e2 a4 36. a3 Rbd6 37. Rd2 Nb6 38. Rxd6 Rxd6 39. Rd1 Ke7 40. Rg1 Nc4 41. g4 hxg4+ 42. hxg4 Kf7 43. Ke2 Rd8 44. gxf5 gxf5 45. Rh1 Rh8 46. Rxh8 Bxh8 47. Kd3 Ke7 48. Bd1 Kd6 49. Bh5 Kd7 50. Kc2 Bg7 51. b3 axb3+ 52. Kxb3 Bf8 53. Be2 Na5+ 54. Kc2 Kc6 55. Bf3+ Kc7 56. Kd3 Bc5 57. Bd1 Kd6 58. a4 b4 59. cxb4 Bxb4 60. Bb2 Be1 61. Bf3 Kc5 62. Bg7 Bh4 63. Bf8+ Kb6 64. Bb4 Bf6 65. Bc3 Be7 66. Bd4+ Kc7 67. Be5+ Kb6 68. Kc3 Bf8 69. Bf6 Bd6 70. Bd8+ Ka7 71. Bxa5 Bxf4 72. Bb4 Be3 73. Kc4 e5 74. Kd5 Bd4 75. Be2 Kb7 76. Bd6 Bb6 77. Kxe5 Bd8 78. Kxf5 Kc6 79. Ke6 Kb6 80. Kd7 Bg5 81. Bc7+ Ka7 82. Kc6 Be3 83. a5 Ka8 84. Ba6 Ka7 85. Bb7 1-0

[Event "Parana-ch 50th"]
[Site "Ponta Grossa"]
[Date "1987.10.??"]
[Round "4"]
[White "Egoroff, Jomar"]
[Black "Ogata, Edson Akio"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "149"]
[EventDate "1987.10.31"]
[EventType "tourn"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Bd2 Nxc3 8. bxc3 Be7 9. Qg4 0-0 10. Bh6 g6 11. Bd3 d6 12. f4 dxe5 13. fxe5 Nd7 14. Nf3 Qa5 15. 0-0 Nxe5 16. Nxe5 Qxe5 17. Bxf8 Bxf8 18. Qf3 Qc7 19. h4 Rb8 20. h5 b6 21. hxg6 hxg6 22. Rad1 Bc5+ 23. Kh1 Bb7 24. Qf6 Qe7 25. Qxe7 Bxe7 26. Rf4 g5 27. Ra4 Kg7 28. Kg1 a5 29. Bb5 Bd5 30. Kf1 Rc8 31. Rd3 Rc5 32. Ba6 Bc6 33. Rg4 b5 34. c4 f5 35. Rgd4 e5 36. Rd7 Bxd7 37. Rxd7 Kf6 38. Bxb5 Rc8 39. Ra7 Bb4 40. Ra6+ Ke7 41. Ra7+ Kf6 42. Ra6+ Kg7 43. Ra7+ Kh6 44. Ra6+ Kh5 45. Rf6 Rf8 46. Re6 e4 47. Re5 Kg4 48. Bd7 Kf4 49. Rd5 Ke3 50. Bxf5 Rh8 51. Kg1 Be1 52. g4 Kf3 53. Bxe4+ Kxe4 54. Rxg5 Kf3 55. Rh5 Rg8 56. Kf1 Re8 57. Rd5 Kxg4 58. c5 Bb4 59. c6 Rc8 60. a3 Bxa3 61. Rxa5 Bd6 62. Ke2 Rxc6 63. Kd3 Kf4 64. Rd5 Be5 65. c4 Ra6 66. c5 Ra3+ 67. Kc4 Ke4 68. Kb4 Ra1 69. Rd7 Rb1+ 70. Ka5 Rc1 71. Kb5 Bd4 72. c6 Rb1+ 73. Ka5 Ra1+ 74. Kb5 Rb1+ 75. Ka5 1/2-1/2

[Event "Parana-ch 50th"]
[Site "Ponta Grossa"]
[Date "1987.10.??"]
[Round "6"]
[White "Herai, Renato"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "A08"]
[PlyCount "86"]
[EventDate "1987.10.31"]
[EventType "tourn"]
[EventRounds "9"]
[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 d5 4. d3 e5 5. 0-0 Nf6 6. Nbd2 h6 7. c3 Be6 8. Qc2 Qc7 9. Re1 Be7 10. e4 0-0-0 11. a4 c4 12. dxc4 dxc4 13. Nf1 Na5 14. N3d2 Bc5 15. Ne3 Ng4 16. Nxg4 Bxg4 17. h3 Be6 18. Nf1 Nb3 19. Rb1 Qa5 20. Be3 Bxe3 21. Rxe3 Qxa4 22. Re2 Rd3 23. Nd2 Rhd8 24. Nxb3 cxb3 25. Qc1 Qd7 26. Kh2 Rd1 27. Qxd1 Qxd1 28. Rxd1 Rxd1 29. f4 f6 30. fxe5 fxe5 31. g4 Rc1 32. Kg3 Rc2 33. Kf3 Bc4 34. Rf2 Rxf2+ 35. Kxf2 Kd7 36. h4 a5 37. Ke3 g5 38. hxg5 hxg5 39. Kd2 Kc6 40. Bf3 a4 41. Bd1 Kb5 42. Bf3 a3 43. bxa3 Ka4 0-1

[Event "Parana-ch 50th"]
[Site "Ponta Grossa"]
[Date "1987.10.??"]
[Round "2"]
[White "Marini, Ivo"]
[Black "Ogata, Edson Akio"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "28"]
[EventDate "1987.10.31"]
[EventType "tourn"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Qg4 0-0 8. Bh6 g6 9. Bxf8 Qxf8 10. Qg3 Qc5 11. Nde2 Nc6 12. 0-0-0 Nxc3 13. Nxc3 Qxe5 14. Qxe5 Nxe5 1/2-1/2

[Event "Parana-ch 50th"]
[Site "Ponta Grossa"]
[Date "1987.10.??"]
[Round "9"]
[White "Moreira, Jose Benedito"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "D93"]
[PlyCount "62"]
[EventDate "1987.10.31"]
[EventType "tourn"]
[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. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 0-0 6. e3 c6 7. Be2 Nbd7 8. h3 dxc4 9. Bxc4 Nb6 10. Bd3 Nbd5 11. Be5 Qa5 12. 0-0 Nxc3 13. Qd2 Bxh3 14. bxc3 Bg4 15. c4 Qxd2 16. Nxd2 Rfd8 17. f3 Be6 18. Rab1 b6 19. Rb2 c5 20. Rb3 Bh6 21. f4 Ng4 22. Be4 Nxe5 23. Bxa8 Nxc4 24. Nxc4 Bxc4 25. dxc5 Bxb3 26. axb3 Rxa8 27. c6 Rc8 28. Rc1 e5 29. g3 exf4 30. gxf4 Bf8 31. Kf2 a5 0-1

[Event "Parana-ch 50th"]
[Site "Ponta Grossa"]
[Date "1987.10.??"]
[Round "5"]
[White "Ogata, Edson Akio"]
[Black "Araujo, Adalberto Marcos"]
[Result "0-1"]
[ECO "A91"]
[PlyCount "106"]
[EventDate "1987.10.31"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Be7 5. Bg2 0-0 6. Qb3 c6 7. Qc2 d5 8. Nb1 Qe8 9. Nf3 Qh5 10. Ne5 Nbd7 11. Bf3 Qe8 12. cxd5 cxd5 13. Nd3 Ne4 14. Bg2 Bf6 15. Be3 Nb6 16. f3 Nd6 17. Nc3 Bd7 18. 0-0 Rc8 19. Nc5 Nbc4 20. Bf2 Bg5 21. b3 Na5 22. e4 Nb5 23. f4 Be7 24. Nxb5 Bxb5 25. Qd2 Bxc5 26. dxc5 Bxf1 27. Rxf1 Nc6 28. exd5 exd5 29. Qxd5+ Kh8 30. Re1 Qd8 31. Qc4 Re8 32. Rc1 Qd2 33. Qc2 Qxc2 34. Rxc2 Rcd8 35. Bf3 Nb4 36. Rc4 Nc6 37. b4 Rd3 38. Kg2 a6 39. a4 Rb3 40. b5 axb5 41. axb5 Rxb5 42. h3 Ra8 43. Rc2 Rd8 44. Ra2 Rb3 45. Bxc6 bxc6 46. Ra6 Rc8 47. Bd4 h5 48. Ra7 Rd8 49. Bxg7+ Kg8 50. h4 Rd2+ 51. Kh3 Rb1 52. Ra1 Rxa1 53. Bxa1 Rd5 0-1

[Event "Parana-ch 50th"]
[Site "Ponta Grossa"]
[Date "1987.10.??"]
[Round "8"]
[White "Ogata, Edson Akio"]
[Black "Delgado, Lidio Dias"]
[Result "1/2-1/2"]
[ECO "E05"]
[PlyCount "46"]
[EventDate "1987.10.31"]
[EventType "tourn"]
[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. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Nbd7 9. Rd1 c5 10. Qxc4 b5 11. Qc2 Bb7 12. dxc5 Bxc5 13. b4 Bxb4 14. Ne5 Bxg2 15. Kxg2 Qc8 16. Qxc8 Raxc8 17. Nxd7 Nxd7 18. axb5 axb5 19. Na3 Nf6 20. Nxb5 Rc5 21. Nd4 Rd5 22. Bb2 Rfd8 23. Rdb1 Bf8 1/2-1/2

[Event "Parana-ch 50th"]
[Site "Ponta Grossa"]
[Date "1987.10.??"]
[Round "1"]
[White "Ogata, Edson Akio"]
[Black "Holzmann, Licurgo"]
[Result "1-0"]
[ECO "E08"]
[PlyCount "101"]
[EventDate "1987.10.31"]
[EventType "tourn"]
[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. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 c6 7. Qc2 Ne4 8. Nc3 f5 9. Ne5 Nd7 10. Rd1 Qe8 11. Nxd7 Bxd7 12. f3 Nxc3 13. Qxc3 Bf6 14. Qb3 b6 15. a4 Qf7 16. a5 b5 17. cxb5 cxb5 18. Bf4 Rac8 19. e3 a6 20. Rdc1 Rxc1+ 21. Rxc1 Rc8 22. Rxc8+ Bxc8 23. Qc3 Qd7 24. Be5 Be7 25. Kf2 Bb7 26. Ke2 Qc6 27. Qxc6 Bxc6 28. Kd3 Bb4 29. Bc7 Kf7 30. e4 g6 31. Ke3 Ke7 32. Bb6 Kd7 33. e5 Be7 34. Bc5 Bg5+ 35. f4 Bd8 36. Bb4 g5 37. fxg5 Bxg5+ 38. Ke2 Bc1 39. b3 Bg5 40. Kd3 Bb7 41. Bf3 Be7 42. Bxe7 Kxe7 43. Kc3 Kd7 44. Kb4 Kc6 45. Bh5 Bc8 46. Be8+ Kc7 47. Kc5 Bb7 48. h3 h6 49. b4 Bc8 50. Bc6 h5 51. h4 1-0

[Event "Parana-ch 50th"]
[Site "Ponta Grossa"]
[Date "1987.10.??"]
[Round "7"]
[White "Ogata, Edson Akio"]
[Black "Iurk, Jonel Nazareno"]
[Result "1-0"]
[ECO "E06"]
[PlyCount "16"]
[EventDate "1987.10.31"]
[EventType "tourn"]
[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. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 b6 7. cxd5 exd5 8. Qc2 Bf5 1-0

[Event "Parana-ch 50th"]
[Site "Ponta Grossa"]
[Date "1987.10.??"]
[Round "3"]
[White "Ogata, Edson Akio"]
[Black "Matsuura, Frederico"]
[Result "1/2-1/2"]
[ECO "E00"]
[PlyCount "80"]
[EventDate "1987.10.31"]
[EventType "tourn"]
[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. c4 e6 3. g3 Bb4+ 4. Nd2 c5 5. Ngf3 Nc6 6. a3 Bxd2+ 7. Qxd2 cxd4 8. Nxd4 Na5 9. Qb4 d5 10. Bf4 Nxc4 11. Nb5 e5 12. Bxe5 Nxe5 13. Nd6+ Kd7 14. Bh3+ Kc7 15. Rc1+ Nc6 16. Nb5+ Kb6 17. Qc5+ Ka6 18. Bf1 Bh3 19. b4 Ne4 20. Qxd5 Qxd5 21. Nc7+ Kb6 22. Nxd5+ Kb5 23. Bxh3 Rad8 24. Bg2 Rxd5 25. Bxe4 Rd4 26. Rc5+ Kb6 27. Bd3 Re8 28. Kd2 Ne5 29. Kc3 Nxd3 30. Kxd4 Nxc5 31. bxc5+ Kc6 32. e4 Rd8+ 33. Kc4 Rd2 34. f4 Rc2+ 35. Kb3 Rxc5 36. Rd1 Kc7 37. Rd2 a6 38. e5 b5 39. h4 h5 40. Rd6 Rc6 1/2-1/2

[Event "BRA-ch U20 14th"]
[Site "Curitiba"]
[Date "1987.05.??"]
[Round "7"]
[White "Almeida, Eduardo de Sant Ann"]
[Black "Ogata, Edson Akio"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "65"]
[EventDate "1987.05.31"]
[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. e4 0-0 5. Nf3 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 c6 10. Nd2 h6 11. Be3 Ng4 12. Bxg4 Bxg4 13. f3 Be6 14. 0-0 Rd3 15. Kf2 Na6 16. a3 Rad8 17. Rfd1 b6 18. Rac1 Nc5 19. Ke2 Rxd2+ 20. Rxd2 Bxc4+ 21. Kf2 Rxd2+ 22. Bxd2 Nd3+ 23. Kg1 Nxc1 24. Bxc1 f5 25. g3 Kf7 26. Kf2 b5 27. b4 f4 28. Nd1 g5 29. g4 Bf8 30. Nb2 Ke6 31. Nxc4 bxc4 32. Ke2 a6 33. Kd2 1/2-1/2

[Event "BRA-ch U20 14th"]
[Site "Curitiba"]
[Date "1987.05.??"]
[Round "2"]
[White "Carvalho, Bartholomeu"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "48"]
[EventDate "1987.05.31"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Bd2 Nxc3 8. bxc3 Be7 9. Bd3 d6 10. f4 g6 11. 0-0 Nc6 12. Qf3 Qb6 13. Rab1 Qc7 14. g4 dxe5 15. Nxc6 Bc5+ 16. Kh1 Qxc6 17. Bb5 Bd7 18. Bxc6 Bxc6 19. Qxc6+ bxc6 20. fxe5 h5 21. Rb7 0-0-0 22. Bg5 Kxb7 23. Bxd8 Rxd8 24. Rxf7+ Kb6 0-1

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "2"]
[White "Degraeve, Jean Marc"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "2290"]
[PlyCount "104"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. a3 Bxc3+ 8. Nxc3 c6 9. e5 Qe7 10. Bd3 0-0 11. 0-0 f5 12. f4 b6 13. g4 fxg4 14. Qxg4 Ba6 15. Bxa6 Nxa6 16. Nd1 c5 17. c3 Nc7 18. Ne3 Rf7 19. Rf3 Kh8 20. Raf1 g6 21. Kh1 Kh7 22. Rg1 Rg8 23. Qh3 cxd4 24. cxd4 Qf8 25. Ng4 Ne8 26. Rc1 h5 27. Rc8 Qe7 28. Ne3 Ng7 29. Rxg8 Kxg8 30. Qf1 Nf5 31. Nxf5 Rxf5 32. Qc1 Qh4 33. Rf1 Qd8 34. Qc6 Qe7 35. Qc1 Kg7 36. Qd2 Kh6 37. Kg2 Qh4 38. Rf3 Qg4+ 39. Kf2 Qh4+ 40. Ke3 g5 41. Qf2 gxf4+ 42. Rxf4 Qh3+ 43. Kd2 Kg5 44. Rxf5+ Qxf5 45. Qg3+ Qg4 46. Ke3 h4 47. Qf3 Qg1+ 48. Kd3 Qb1+ 49. Ke3 Qc1+ 50. Kf2 Qxb2+ 51. Kf1 Qb1+ 52. Ke2 Qc2+ 0-1

[Event "BRA-ch U20 14th"]
[Site "Curitiba"]
[Date "1987.05.??"]
[Round "6"]
[White "Garcia, Eugenio Vargas"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "83"]
[EventDate "1987.05.31"]
[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 c5 3. e3 d5 4. Bd3 Nc6 5. c3 Bg4 6. Nbd2 e5 7. dxe5 Nxe5 8. Bb5+ Ned7 9. h3 a6 10. Be2 Bf5 11. 0-0 g6 12. Re1 Bg7 13. c4 0-0 14. cxd5 Nb6 15. Qb3 Nbxd5 16. e4 Nxe4 17. Nxe4 Bxe4 18. Ng5 Nf6 19. Nxe4 Nxe4 20. Qxb7 Nd6 21. Qd5 Nf5 22. Qxd8 Rfxd8 23. Rb1 Re8 24. Bd2 Reb8 25. b3 Nd4 26. Bc4 Ra7 27. Bf4 Rd8 28. Bg5 Rc8 29. Re7 Rxe7 30. Bxe7 Nf5 31. Bg5 Nd6 32. Bd3 Bd4 33. Re1 a5 34. Bf4 c4 35. bxc4 Bc5 36. Rb1 Bb4 37. Rxb4 axb4 38. Bxd6 Ra8 39. Bxb4 Rxa2 40. g3 Rb2 41. Be7 Rd2 42. Bf1 1-0

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "7"]
[White "Gurevich, Ilya"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "2410"]
[PlyCount "51"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 b6 7. f4 e6 8. Be2 Bb7 9. Bf3 Qc7 10. 0-0 Nc6 11. Nxc6 Bxc6 12. Qe1 e5 13. Kh1 Be7 14. Qg3 g6 15. fxe5 dxe5 16. Bh6 Rg8 17. Be3 Nd7 18. Be2 Bb7 19. Rad1 Nf6 20. Qf2 Rf8 21. Bh6 Rb8 22. Bg7 Nxe4 23. Nxe4 Bxe4 24. Bxf8 Bxf8 25. Bxa6 Bf5 26. Bb5+ 1-0

[Event "BRA-ch U20 14th"]
[Site "Curitiba"]
[Date "1987.05.??"]
[Round "3"]
[White "Matsuura, Everaldo"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "98"]
[EventDate "1987.05.31"]
[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 Nf6 2. Nc3 e6 3. e4 c5 4. Nf3 Nc6 5. d4 cxd4 6. Nxd4 Bb4 7. Nxc6 dxc6 8. Bd3 Nd7 9. Bc2 Ne5 10. Qxd8+ Kxd8 11. Bb3 b6 12. Bg5+ f6 13. 0-0-0+ Ke7 14. Bf4 Nf7 15. Kc2 Ba6 16. f3 Rhd8 17. Na4 Rac8 18. a3 Bd6 19. Bxd6+ Rxd6 20. c5 Rxd1 21. Rxd1 Rb8 22. cxb6 axb6 23. Nc3 Ne5 24. Na4 c5 25. Ba2 Bb5 26. Nc3 Bc6 27. h3 g5 28. Rd2 h5 29. Nd1 g4 30. hxg4 hxg4 31. Rf2 gxf3 32. gxf3 Nxf3 33. Rxf3 Bxe4+ 34. Rd3 f5 35. Nf2 Bxd3+ 36. Nxd3 Kd6 37. Nf4 Rg8 38. Kd3 b5 39. Ke3 c4 40. Ne2 e5 41. Bb1 Ke6 42. Kf3 Rd8 43. Ng3 Rd2 44. Bxf5+ Kd5 45. a4 bxa4 46. Bd7 c3 47. bxc3 a3 48. c4+ Kd4 49. Ne4 Rd3+ 0-1

[Event "BRA-ch U20 14th"]
[Site "Curitiba"]
[Date "1987.05.??"]
[Round "5"]
[White "Ogata, Edson Akio"]
[Black "De Souza, Mauro Guimaraes"]
[Result "0-1"]
[ECO "D16"]
[PlyCount "118"]
[EventDate "1987.05.31"]
[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 c6 3. Nc3 d5 4. Nf3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. 0-0 e6 9. Qe2 Be7 10. e4 Bg4 11. Rd1 0-0 12. Be3 Qa5 13. h3 Bh5 14. Kh2 c5 15. e5 Nd7 16. g4 Bg6 17. d5 exd5 18. Nxd5 Nxd5 19. Bxd5 Qc7 20. Bf4 Nb6 21. Bb3 a5 22. Bg3 c4 23. Rac1 Rad8 24. Bxc4 Nxc4 25. Rxc4 Qb6 26. Nd4 Bc5 27. Qe3 Rd5 28. f4 Rfd8 29. f5 Rxd4 30. Rdxd4 Bxd4 31. Qe2 Qxb2 32. Rc2 Qb6 33. e6 Re8 34. e7 Qb1 35. Be1 Bf6 36. Rc8 Be5+ 37. Kh1 Rxc8 38. Qxe5 Re8 39. Kg2 Qc2+ 40. Bf2 Qc6+ 41. Kg3 Qd7 42. fxg6 Qxe7 43. gxf7+ Qxf7 44. Qxa5 Rf8 45. Bc5 Qf3+ 46. Kh4 Re8 47. Bd4 Qe4 48. Qc3 Qe1+ 49. Qxe1 Rxe1 50. a5 Kf7 51. Kg5 Re4 52. Bb6 Rc4 53. Kf5 g6+ 54. Ke5 Ke7 55. Be3 Ra4 56. Bg5+ Kd7 57. Kf6 Rxa5 58. Bh6 Ra3 59. h4 Ra4 0-1

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "5"]
[White "Ogata, Edson Akio"]
[Black "Kamsky, Gata"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "68"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nc3 d5 5. e3 Bf5 6. Bd3 Nbd7 7. Bxf5 gxf5 8. Bxf6 Nxf6 9. Qd3 Qc8 10. Ne5 c6 11. h3 h5 12. Ne2 e6 13. c4 Qc7 14. f3 h4 15. Nf4 Bh6 16. Ne2 Rc8 17. c5 0-0 18. Rg1 Kh8 19. f4 Ne4 20. Nc3 Ng3 21. Ne2 Rg8 22. Nxg3 Rxg3 23. Qe2 Kh7 24. Kf2 f6 25. Nf3 Rcg8 26. Nxh4 Bxf4 27. Qh5+ Bh6 28. Nf3 R8g6 29. Nh4 R3g5 30. Qf3 Rg7 31. g4 fxg4 32. Rxg4 Qh2+ 33. Rg2 Rxg2+ 34. Nxg2 Bxe3+ 0-1

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "3"]
[White "Ogata, Edson Akio"]
[Black "Khader, Saffarini"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "61"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Bc5 9. Qe2 0-0 10. Ne4 Nxe4 11. Qxe4 f5 12. Qa4 e4 13. Be2 Be6 14. Nc3 Qb6 15. 0-0 Rf6 16. a3 Rh6 17. d4 Bxd4 18. Bxh6 gxh6 19. Qb4 Qd8 20. Rad1 c5 21. Qa4 a6 22. b4 Nc4 23. Bxc4 Bxc4 24. bxc5 Bxf1 25. Kxf1 Qh4 26. Qxd4 Rf8 27. Qd5+ Kh8 28. Qe5+ Kg8 29. Rd7 Qg5 30. h4 Qg6 31. Nd5 1-0

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "6"]
[White "Ogata, Edson Akio"]
[Black "Pelaez Contti, Jorge Luis"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "57"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 6. c4 Nb6 7. exd6 exd6 8. 0-0 Be7 9. b3 0-0 10. Bb2 Bf6 11. Qc2 g6 12. Rd1 N8d7 13. Nbd2 Bg7 14. Nf1 Nf6 15. Ne3 Bxf3 16. Bxf3 d5 17. Re1 Re8 18. Re2 Ne4 19. cxd5 Ng5 20. dxc6 Nxf3+ 21. gxf3 bxc6 22. Rd1 Nd5 23. Nxd5 Qxd5 24. Re4 f5 25. Rxe8+ Rxe8 26. Kg2 g5 27. Qc4 Rd8 28. Rc1 Bxd4 29. Bxd4 1-0

[Event "BRA-ch U20 14th"]
[Site "Curitiba"]
[Date "1987.05.??"]
[Round "1"]
[White "Ogata, Edson Akio"]
[Black "Rodovalho, Paulo"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "73"]
[EventDate "1987.05.31"]
[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 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. e4 d6 7. Be2 Bg7 8. Be3 0-0 9. h3 Bd7 10. Qd2 Rc8 11. b3 a6 12. Rc1 e6 13. 0-0 Qc7 14. f4 Ne7 15. Bf3 Rfd8 16. Qf2 Re8 17. Nde2 Bc6 18. Bb6 Qb8 19. b4 Bd7 20. c5 dxc5 21. Bxc5 e5 22. Ba7 Qd6 23. Rcd1 Qe6 24. fxe5 Qxe5 25. Bd4 Qc7 26. e5 Nh5 27. Bb6 Qxe5 28. Rxd7 Rxc3 29. Bxh5 Qe6 30. Nxc3 Bxc3 31. Rd6 Qc4 32. Bg4 f5 33. Bd1 Qxb4 34. Bb3+ Kg7 35. Bd4+ Bxd4 36. Qxd4+ Qxd4+ 37. Rxd4 1-0

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "8"]
[White "Ogata, Edson Akio"]
[Black "Sequera Paolini, Jose Rafael"]
[Result "1/2-1/2"]
[ECO "A84"]
[PlyCount "59"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 f5 2. c4 g6 3. Nc3 Nh6 4. h4 Nf7 5. Nf3 Bg7 6. h5 Nc6 7. hxg6 hxg6 8. Rxh8+ Bxh8 9. e3 e5 10. d5 Ne7 11. e4 f4 12. g3 g5 13. gxf4 gxf4 14. Bh3 d6 15. Bxc8 Qxc8 16. Bd2 Qh3 17. Ke2 Bf6 18. Qh1 Qxh1 19. Rxh1 Kd7 20. b4 Rh8 21. Rxh8 Nxh8 22. Be1 Nf7 23. Nd2 Ng5 24. Nb3 Ng6 25. f3 Nh3 26. Bf2 b6 27. Nb5 a6 28. Nc3 Bh4 29. Bxh4 Nxh4 30. Nd2 1/2-1/2

[Event "BRA-ch U20 14th"]
[Site "Curitiba"]
[Date "1987.05.??"]
[Round "4"]
[White "Ogata, Edson Akio"]
[Black "Toth, Christian Endre"]
[Result "1/2-1/2"]
[ECO "A84"]
[PlyCount "111"]
[EventDate "1987.05.31"]
[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. c4 d5 3. Nf3 c6 4. Qc2 f5 5. cxd5 exd5 6. Bg5 Nf6 7. e3 Qa5+ 8. Nfd2 Ne4 9. Bf4 Be7 10. f3 Nxd2 11. Nxd2 0-0 12. Bd3 c5 13. dxc5 Qxc5 14. Qxc5 Bxc5 15. Rc1 Bb6 16. Nb3 Bd7 17. Kf2 g5 18. Bc7 Nc6 19. Bxb6 axb6 20. a3 Ne5 21. Be2 f4 22. exf4 Rxf4 23. g3 Rf6 24. Nd4 Ra4 25. Rhd1 b5 26. Rc7 Bc6 27. Re7 Nxf3 28. Bxf3 g4 29. Re3 b4 30. Nxc6 bxc6 31. Rd4 gxf3 32. Rxb4 Rxb4 33. axb4 Rf8 34. Rxf3 Rb8 35. Rb3 c5 36. b5 Rb6 37. h4 Kf7 38. Kf3 Ke6 39. Kf4 c4 40. Ra3 Rxb5 41. Ra6+ Kd7 42. Ke5 Rxb2 43. Kxd5 c3 44. Ra3 Rd2+ 45. Ke4 c2 46. Rc3 h5 47. Ke5 Re2+ 48. Kd4 Rg2 49. Ke5 Re2+ 50. Kd4 Ke6 51. Kd3 Rg2 52. Rxc2 Rxg3+ 53. Ke4 Rg4+ 54. Kf3 Rxh4 55. Rc6+ Kd5 56. Rh6 1/2-1/2

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "10"]
[White "Ogata, Edson Akio"]
[Black "Tsorbatzoglou, Theodoros"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "64"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nh6 6. e3 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. exd4 Nf5 10. d5 Qc7 11. Qd3 Nd6 12. Bf1 b6 13. Bf4 Ba6 14. a4 Qc5 15. Nb5 Qb4+ 16. Qd2 Qxd2+ 17. Kxd2 Bxb5 18. Bxd6 Bxc4 19. Bxc4 exd6 20. Rab1 Rac8 21. b3 Bd4 22. f3 Rfe8 23. Rhe1 Bc5 24. Kd3 Bb4 25. Re2 Rxe2 26. Kxe2 Re8+ 27. Kf1 Re3 28. Kg2 Kg7 29. Rb2 Kf6 30. Re2 Rxe2+ 31. Bxe2 Ke5 32. Bc4 h5 1/2-1/2

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "11"]
[White "Redo, Nicola"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "78"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. d4 Bxf3 5. Bxf3 Nd7 6. Bf4 e6 7. 0-0 g5 8. Bc1 h5 9. e4 g4 10. Bh1 dxe4 11. Bxe4 Ngf6 12. Bh1 Be7 13. c4 h4 14. Be3 Qa5 15. Nc3 Qh5 16. Qc2 Bd6 17. d5 hxg3 18. fxg3 Bxg3 19. Bf4 Bxf4 20. Rxf4 g3 21. h4 e5 22. dxc6 exf4 23. cxd7+ Nxd7 24. Qe4+ Kf8 25. Qxf4 Qxh4 26. Qxh4 Rxh4 27. Rf1 Ne5 28. b3 Rb8 29. Kg2 Rg4 30. Kh3 Rg6 31. Be4 g2 32. Bxg2 Ke7 33. Nd5+ Kd7 34. Nf6+ Ke6 35. Bd5+ Ke7 36. Rf5 Rh8+ 37. Nh5 f6 38. Kh4 Rg4+ 39. Kh3 Rg5 0-1

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "4"]
[White "Van Wely, Loek"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "E48"]
[PlyCount "57"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 cxd4 7. exd4 d5 8. 0-0 dxc4 9. Bxc4 0-0 10. Bg5 Be7 11. Qd2 h6 12. Bh4 Ne4 13. Nxe4 Bxh4 14. Rad1 Qc7 15. Qe3 Be7 16. Nf4 Rd8 17. d5 Na5 18. Be2 Bd6 19. Nxd6 Rxd6 20. b4 Nc4 21. Bxc4 Qxc4 22. dxe6 Rxd1 23. exf7+ Kxf7 24. Rxd1 Qxa2 25. Qe4 Qa6 26. Qd5+ Kf8 27. Qc5+ Kg8 28. Rd8+ Kh7 29. Qc2+ 1-0

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "9"]
[White "Vazquez Toledo, Everardo"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "C05"]
[PlyCount "82"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 Qb6 8. g3 cxd4 9. cxd4 Bb4+ 10. Kf2 g5 11. fxg5 Ndxe5 12. Nxe5 Nxe5 13. Kg2 Nc6 14. Nf3 Bd7 15. Bf4 Bf8 16. b3 Bg7 17. Be5 Nxe5 18. Nxe5 Bxe5 19. dxe5 Qe3 20. Be2 Qxe5 21. Re1 Qxg5 22. Qd4 0-0 23. Bd3 f5 24. Re5 Rac8 25. Rf1 Qd2+ 26. Rf2 Qc3 27. Qe3 Qc1 28. Rxe6 Qxe3 29. Rxe3 Rf7 30. Re5 Rcf8 31. Rf4 Rf6 32. Kf2 Be6 33. Ke3 R8f7 34. Bf1 Rc7 35. Kd3 Rc1 36. Bg2 Ra1 37. a4 Kg7 38. Bxd5 Bxd5 39. Rxd5 Rd1+ 40. Kc4 Rc6+ 41. Rc5 Rc1+ 0-1

[Event "Wch U16"]
[Site "Innsbruck"]
[Date "1987.05.??"]
[Round "1"]
[White "Zarnicki, Pablo Adrian"]
[Black "Ogata, Edson Akio"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2260"]
[PlyCount "133"]
[EventDate "1987.05.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. Ne2 Ba6 8. Bxa6 Nxa6 9. 0-0 Be7 10. Nf4 Qc8 11. Qg4 g6 12. Nf3 Nf8 13. Be3 h6 14. h4 cxd4 15. cxd4 h5 16. Qg3 Qc2 17. Rab1 Qf5 18. Rbc1 Nh7 19. Rc3 Kd7 20. Rfc1 Rhc8 21. Nd2 Bb4 22. Rxc8 Rxc8 23. Nb3 Rxc1+ 24. Bxc1 Qb1 25. a3 Bd2 26. Qd3 Qxd3 27. Nxd3 Bxc1 28. Nbxc1 Kc6 29. f3 Nc7 30. Kf2 a5 31. Ke3 Kb5 32. Kd2 Nf8 33. g4 Ne8 34. Nf4 Ng7 35. Kd3 Kc6 36. Nce2 Kd7 37. Ng3 Ke7 38. Kc3 Kd8 39. Kb3 Kc7 40. Kc3 Kc6 41. Kd3 Kc7 42. Ke3 Kd8 43. Kf2 hxg4 44. fxg4 Ke7 45. h5 gxh5 46. gxh5 f6 47. Nd3 fxe5 48. Nxe5 Ne8 49. Kf3 Nd6 50. Kf4 Nh7 51. a4 b5 52. axb5 Nxb5 53. Nf3 Kf6 54. h6 a4 55. Nh5+ Kg6 56. Ng7 Kf6 57. Nh5+ Kg6 58. Ng7 Kf6 59. Kg4 Nd6 60. Nh5+ Kg6 61. Nf4+ Kf6 62. Nh5+ Kf7 63. Ng5+ Nxg5 64. Kxg5 Ne4+ 65. Kg4 Kg6 66. Nf4+ Kxh6 67. Nxe6 1/2-1/2

[Event "Brasilia open"]
[Site "Brasilia"]
[Date "1987.04.??"]
[Round "3"]
[White "Agdamus, Jose Luis"]
[Black "Ogata, Edson Akio"]
[Result "1/2-1/2"]
[ECO "D93"]
[WhiteElo "2210"]
[PlyCount "83"]
[EventDate "1987.04.??"]
[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 d5 4. Nf3 Bg7 5. Bf4 0-0 6. e3 c6 7. Qb3 Qa5 8. Bd3 Nbd7 9. 0-0 dxc4 10. Bxc4 Nh5 11. Ng5 Qf5 12. Nxf7 Rxf7 13. Be6 Qf6 14. Ne4 Qxe6 15. Qxe6 Nc5 16. Qxf7+ Kxf7 17. dxc5 Nxf4 18. exf4 Bxb2 19. Rab1 Bg7 20. Rfe1 h6 21. a4 Rb8 22. a5 Bf5 23. Rb4 Rd8 24. f3 Bd4+ 25. Kf1 Bxe4 26. fxe4 Bc3 27. Rxb7 Bxe1 28. Kxe1 Rd4 29. Rxa7 Rxe4+ 30. Kd2 Ke6 31. Rc7 Kd5 32. a6 Rxf4 33. a7 Ra4 34. Rxe7 Kxc5 35. h4 Kb6 36. Rg7 g5 37. hxg5 hxg5 38. Kc3 g4 39. Rxg4 Rxa7 40. Rg5 Ra4 41. g4 c5 42. Rg8 1/2-1/2

[Event "Brasilia open"]
[Site "Brasilia"]
[Date "1987.04.??"]
[Round "7"]
[White "Asfora, Marco Antonio Hazin"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2330"]
[PlyCount "117"]
[EventDate "1987.04.??"]
[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 Nf6 2. g3 e6 3. Bg2 d5 4. cxd5 exd5 5. Nf3 Bd6 6. d4 Nbd7 7. 0-0 0-0 8. Nc3 c6 9. a3 Re8 10. b4 a6 11. Bg5 b5 12. Qc2 Qb6 13. Bf4 Bf8 14. Rfe1 a5 15. Rab1 axb4 16. axb4 Bb7 17. h3 Nb8 18. Bxb8 Raxb8 19. e3 Bd6 20. Ne2 Ra8 21. Nc1 Ra4 22. Nd3 Rea8 23. Nc5 Ra2 24. Rb2 Rxb2 25. Qxb2 Qa7 26. Ne5 Bxc5 27. dxc5 Qa2 28. Re2 Qxb2 29. Rxb2 Ra1+ 30. Kh2 Kf8 31. g4 Ke7 32. g5 Ne8 33. Kg3 Nc7 34. f4 Na6 35. Kf2 Ra4 36. Nd3 Bc8 37. e4 dxe4 38. Bxe4 Bd7 39. h4 f5 40. Bg2 Kd8 41. Ke3 Kc7 42. Kd4 Be6 43. Re2 Bd7 44. Re7 Nxb4 45. Rxg7 Nd5+ 46. Ke5 Ne3 47. Bf3 Ng4+ 48. Bxg4 Re4+ 49. Kf6 fxg4 50. f5 g3 51. g6 h5 52. Rxd7+ Kxd7 53. g7 Re8 54. Ne5+ Kd8 55. Kg6 g2 56. Nf3 Kd7 57. f6 Re3 58. g8Q Rxf3 59. Kf7 1-0

[Event "Brasilia open"]
[Site "Brasilia"]
[Date "1987.04.??"]
[Round "6"]
[White "Ogata, Edson Akio"]
[Black "Herai, Renato"]
[Result "1-0"]
[ECO "B83"]
[PlyCount "53"]
[EventDate "1987.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. f4 Be7 8. Be3 0-0 9. 0-0 Nc6 10. Qd2 Qc7 11. Rad1 Rd8 12. f5 Ne5 13. Bg5 b5 14. a3 Rb8 15. Qe1 Nc4 16. fxe6 fxe6 17. b3 Nxa3 18. Bxf6 Bxf6 19. Rxf6 gxf6 20. Rd3 b4 21. Qh4 Rf8 22. Rg3+ Kh8 23. Qh6 Rf7 24. Bh5 Rb7 25. Bxf7 Qxf7 26. Nce2 e5 27. Nf3 1-0

[Event "Brasilia open"]
[Site "Brasilia"]
[Date "1987.04.??"]
[Round "2"]
[White "Ogata, Edson Akio"]
[Black "Moraes, Admir"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "61"]
[EventDate "1987.04.??"]
[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 f5 2. Bg5 h6 3. Bh4 g5 4. Bg3 Nf6 5. e3 Bg7 6. h4 g4 7. Bd3 d5 8. c4 e6 9. cxd5 Qxd5 10. Bf1 0-0 11. Bxc7 Ne4 12. Ne2 Qb5 13. Qc1 Na6 14. Nec3 Qc6 15. Bf4 Nc7 16. Nd2 Nf6 17. Ne2 Qxc1+ 18. Rxc1 Ncd5 19. Be5 Nb4 20. Nc3 Nc6 21. Nc4 Nh5 22. Bd6 Rd8 23. b4 Bd7 24. b5 Nb8 25. Bc7 Rc8 26. b6 Nc6 27. Nd6 Rf8 28. Nxb7 axb6 29. Bxb6 Rfb8 30. Nc5 Rxb6 31. Nxd7 1-0

[Event "Brasilia open"]
[Site "Brasilia"]
[Date "1987.04.??"]
[Round "4"]
[White "Ogata, Edson Akio"]
[Black "Rocha, Antonio Cavilhas"]
[Result "0-1"]
[ECO "A55"]
[BlackElo "2375"]
[PlyCount "68"]
[EventDate "1987.04.??"]
[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 d6 3. Nf3 Nbd7 4. Nc3 c6 5. e4 e5 6. Be2 Be7 7. h3 0-0 8. Be3 a6 9. a4 Re8 10. Qc2 Bf8 11. 0-0 Qc7 12. Rad1 Rb8 13. Qb1 g6 14. b4 exd4 15. Bxd4 Nh5 16. Rfe1 Nf4 17. Bf1 Ne5 18. Nh2 Qe7 19. Be3 g5 20. Qc1 Qf6 21. h4 h6 22. hxg5 hxg5 23. Qd2 Be7 24. Bb6 Kg7 25. g3 Rh8 26. gxf4 gxf4 27. Bd4 Rxh2 28. Kxh2 Qh4+ 29. Kg1 Qg4+ 30. Kh1 Be6 31. f3 Rh8+ 32. Qh2 Qxf3+ 33. Kg1 Rxh2 34. Kxh2 Bf6 0-1

[Event "Brasilia open"]
[Site "Brasilia"]
[Date "1987.04.??"]
[Round "1"]
[White "Pesco, Celso"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "A19"]
[PlyCount "84"]
[EventDate "1987.04.??"]
[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 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 f6 9. Bf4 a6 10. Nd6+ Bxd6 11. Qxd6 Nf7 12. Qc7 d6 13. Qxd8+ Kxd8 14. 0-0-0 Ke7 15. Be2 Bd7 16. Rhe1 Bc6 17. Bg4 Ne5 18. Bxe5 dxe5 19. f4 f5 20. Bh3 e4 21. g4 g6 22. gxf5 exf5 23. Nd5+ Bxd5 24. Rxd5 Nf6 25. Re5+ Kf7 26. Rc5 Rac8 27. Rxc8 Rxc8 28. b3 Rd8 29. Bg2 Rd3 30. Kc2 Ng4 31. Re2 Ne3+ 32. Kb2 Nxg2 33. Rxg2 Rf3 34. Re2 Rxf4 35. Kc3 Ke6 36. Kd4 Rf3 37. Kc5 Rd3 38. Kb6 Rd7 39. b4 Ke5 40. a4 f4 41. b5 axb5 42. axb5 f3 0-1

[Event "Brasilia open"]
[Site "Brasilia"]
[Date "1987.04.??"]
[Round "5"]
[White "Pinto, Helder Gaioso"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "94"]
[EventDate "1987.04.??"]
[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. g3 a6 4. Bg2 Nc6 5. Nge2 Nge7 6. d3 g6 7. Be3 d6 8. Qd2 Bg7 9. 0-0 Nd4 10. Nc1 Nec6 11. Nd1 Ne5 12. f4 Ng4 13. c3 Nc6 14. h3 Nxe3 15. Nxe3 Ne7 16. Ne2 d5 17. Rad1 d4 18. Nc4 a5 19. g4 h5 20. g5 b5 21. e5 Ra6 22. Nd6+ Rxd6 23. exd6 Nf5 24. cxd4 Nxd4 25. Ng3 Qxd6 26. Qxa5 0-0 27. Ne4 Qe7 28. Qd2 Rd8 29. Rde1 c4 30. Nf6+ Kh8 31. Qd1 Qa7 32. Kh2 Nf5 33. d4 Rxd4 34. Qf3 Bxf6 35. gxf6 Rd2 36. Qc3 Qd7 37. Kg1 b4 38. Qxc4 Qa7+ 39. Kh2 Bb7 40. Re2 Ne3 41. Qb5 Nxf1+ 42. Bxf1 Rxe2+ 43. Qxe2 Qxa2 44. f5 Qd5 45. fxg6 Qd6+ 46. Kg1 Qg3+ 47. Bg2 Qxg6 0-1

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "4"]
[White "Araujo, Adalberto Marcos"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "84"]
[EventDate "1986.04.08"]
[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 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Bg4 8. c3 Be7 9. Re1 f5 10. Nbd2 0-0 11. Qb3 Kh8 12. h3 Bh5 13. Qxb7 Qd6 14. Bb5 Na5 15. Qa6 Qxa6 16. Bxa6 Rf6 17. Bd3 Bd6 18. Ne5 Re6 19. Nf1 Rae8 20. f3 Bxe5 21. dxe5 Nd6 22. Bf4 Nc6 23. exd6 Rxe1 24. Rxe1 Rxe1 25. dxc7 Ne7 26. Bxf5 Bg6 27. Bd7 Bd3 28. Bd6 Ba6 29. Bxe7 Rxe7 30. c8Q+ Bxc8 31. Bxc8 Re2 32. Bb7 Rxb2 33. Bxd5 Rc2 34. c4 Rxa2 35. Ne3 Re2 36. Nf5 a5 37. Bc6 Ra2 38. Bb5 a4 39. Nd4 a3 40. c5 Rd2 41. c6 Rxd4 42. c7 Rd1+ 0-1

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "5"]
[White "Ogata, Edson Akio"]
[Black "Chaves Filho, Luiz G"]
[Result "1-0"]
[ECO "D34"]
[PlyCount "53"]
[EventDate "1986.04.08"]
[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. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 Be7 8. Nc3 0-0 9. Bg5 cxd4 10. Nxd4 h6 11. Bf4 Qb6 12. Be3 Qa5 13. Nb3 Qa6 14. Nxd5 Nxd5 15. Qxd5 Qxe2 16. Nd4 Qxb2 17. Rab1 Qa3 18. Bc1 Qa5 19. Nxc6 Qxd5 20. Nxe7+ Kh8 21. Nxd5 Be6 22. Rxb7 Rad8 23. Nf4 Bxa2 24. Rxa7 Bc4 25. Re1 Rfe8 26. Rxe8+ Rxe8 27. Ra8 1-0

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "3"]
[White "Ogata, Edson Akio"]
[Black "Garcia, Eugenio Vargas"]
[Result "1-0"]
[ECO "D85"]
[PlyCount "65"]
[EventDate "1986.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 0-0 9. Be2 b6 10. 0-0 Bb7 11. Qc2 cxd4 12. cxd4 e6 13. Ba3 Re8 14. Bb5 Re7 15. Bxe7 Qxe7 16. d5 Qd6 17. Rfc1 Be5 18. Nxe5 Qxe5 19. f3 Na6 20. Bxa6 Bxa6 21. Qa4 Bd3 22. Rxb6 Qg5 23. Rbc6 Qe3+ 24. Kh1 Rb8 25. Qa5 Bb5 26. Rc8+ Kg7 27. Qc3+ Qxc3 28. R8xc3 Rb7 29. Rb3 Rb6 30. Rcb1 Bc4 31. Rxb6 axb6 32. a4 Kf6 33. Rxb6 1-0

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "1"]
[White "Ogata, Edson Akio"]
[Black "Pinto, Helder Gaioso"]
[Result "1-0"]
[ECO "E09"]
[PlyCount "69"]
[EventDate "1986.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Qc2 Nbd7 6. 0-0 Be7 7. d4 0-0 8. Nbd2 Bd6 9. Rd1 Re8 10. e4 Nxe4 11. Nxe4 dxe4 12. Qxe4 Nf6 13. Qc2 Qe7 14. b3 Bd7 15. Bb2 Ba3 16. Bc3 Bb4 17. Ne5 Rad8 18. Bxb4 Qxb4 19. a3 Qe7 20. b4 Bc8 21. Qb3 Nd7 22. f4 Nxe5 23. dxe5 Rxd1+ 24. Rxd1 Rd8 25. c5 Qc7 26. Rd6 Bd7 27. Qd3 g6 28. Qd4 Kf8 29. Bf3 Ke8 30. h4 h5 31. Be4 a5 32. Qd3 Bc8 33. Bxg6 Rxd6 34. exd6 Qd8 35. Qd4 1-0

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "7"]
[White "Ogata, Edson Akio"]
[Black "Toth, Christian Endre"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "97"]
[EventDate "1986.04.08"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. Nf3 Bg4 6. c3 Nf6 7. h3 Bh5 8. Qb3 Qb6 9. Ne5 Nxe5 10. dxe5 Qxb3 11. axb3 Nd7 12. f4 e6 13. b4 Bg6 14. Bb5 a6 15. Be3 Bxb1 16. Bxd7+ Kxd7 17. Rxb1 Be7 18. Ra1 f5 19. Ke2 Rhg8 20. h4 g6 21. Kf3 Kc6 22. Ra5 b6 23. b5+ axb5 24. Rxa8 Rxa8 25. h5 Ra2 26. hxg6 hxg6 27. Rh7 Bc5 28. b4 Bxe3 29. Kxe3 Rxg2 30. Re7 Rg3+ 31. Kd4 Rf3 32. Rxe6+ Kc7 33. Rxg6 Rxf4+ 34. Kxd5 Rf1 35. Rg7+ Kd8 36. Rf7 f4 37. Kc6 Ke8 38. Rf6 Rf3 39. Kxb5 Rxc3 40. Rxf4 Re3 41. Rd4 Rxe5+ 42. Kxb6 Re1 43. b5 Rc1 44. Kb7 Ke7 45. b6 Rc2 46. Ra4 Kd7 47. Ka7 Rb2 48. b7 Kc7 49. b8Q+ 1-0

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "6"]
[White "Ramos, Cassius Camillo"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "D91"]
[PlyCount "77"]
[EventDate "1986.04.08"]
[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 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxc3 7. bxc3 Qxd5 8. e3 Nc6 9. Bd3 Bg4 10. e4 Qxg5 11. Nxg5 Bxd1 12. Rxd1 Nd8 13. f4 Bh6 14. h4 a6 15. e5 Rc8 16. g3 Kd7 17. Ne4 Ra8 18. Nc5+ Kc8 19. Be4 e6 20. h5 Bg7 21. Rb1 Ra7 22. Bd3 Re8 23. Ne4 Rg8 24. hxg6 hxg6 25. Rh7 Ra8 26. Ke2 b6 27. a4 Kd7 28. a5 b5 29. Nc5+ Kc8 30. c4 c6 31. Ne4 Nb7 32. Ng5 Nxa5 33. cxb5 cxb5 34. Nxf7 Ra7 35. Nd6+ Kd8 36. Ra1 Nb3 37. Nxb5 Nxa1 38. Nxa7 Nb3 39. Bxg6 1-0

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "2"]
[White "Rezende, Hugo"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "D23"]
[PlyCount "92"]
[EventDate "1986.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. d4 c5 4. c4 dxc4 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Nxd4 e5 8. Bg2 exd4 9. Bxb7 Nc6 10. Bxa8 Qxa8 11. f3 Bb4+ 12. Bd2 Bxd2+ 13. Nxd2 0-0 14. Nb3 Be6 15. Qa4 Rd8 16. Nc5 Ne5 17. Nxe6 fxe6 18. 0-0-0 Qc6+ 19. Qxc6 Nxc6 20. b3 Nd5 21. a3 Rb8 22. Kb2 Kf7 23. Rc1 Rb6 24. Rc5 Nc3 25. Kc2 Nxe2 26. b4 Nc3 27. Kd3 a6 28. Rc1 Kf6 29. f4 e5 30. fxe5+ Nxe5+ 31. Kc2 Ne4 32. Rf1+ Ke6 33. Rc7 Rc6+ 34. Rxc6+ Nxc6 35. Kd3 Kd5 36. Ke2 Ne5 37. Rf5 Nc3+ 38. Kd2 Ke4 39. Rf4+ Kd5 40. Rf8 Ne4+ 41. Kd1 d3 42. Rd8+ Kc4 43. Re8 Kd4 44. a4 Nc4 45. b5 axb5 46. axb5 Nc3+ 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "4"]
[White "Alexandru, C."]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "A70"]
[PlyCount "58"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 Bg7 8. Qa4+ Bd7 9. Qb3 Qc7 10. e4 0-0 11. Nd2 Nh5 12. Be3 f5 13. exf5 gxf5 14. Be2 f4 15. Bxc5 f3 16. gxf3 Qxc5 17. Nde4 Qc7 18. Ng5 Nf4 19. Ne6 Bxe6 20. dxe6 Qe7 21. Rg1 Nc6 22. 0-0-0 Rac8 23. Kb1 Ne5 24. Nd5 Nxd5 25. Qxd5 Kh8 26. Rd4 Qf6 27. Rb4 Bh6 28. a4 b6 29. Qxd6 Rfd8 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "8"]
[White "Burgess, Mark R"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2335"]
[PlyCount "115"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. b3 Nc6 7. Bb2 Qc7 8. e3 Rd8 9. Nc3 Be7 10. Rc1 Qb8 11. d4 cxd4 12. exd4 Qa8 13. d5 Na5 14. d6 Bf8 15. Nb5 Rc8 16. Nc7+ Rxc7 17. dxc7 Nc6 18. Nd4 Nxd4 19. Bxb7 Qxb7 20. Bxd4 Qxc7 21. Qf3 Bd6 22. Rcd1 Ke7 23. Rd3 Qc6 24. Bxf6+ gxf6 25. Qh5 Ba3 26. Qh6 Qe4 27. Qd2 d6 28. Re3 Qc6 29. b4 Qa4 30. Rb1 a5 31. bxa5 Bc5 32. Reb3 Qxa5 33. Qxa5 bxa5 34. Rb7+ Kf8 35. R1b5 Kg7 36. Rxa5 f5 37. a4 Rc8 38. Rd7 Kf6 39. Rb5 Ra8 40. a5 h5 41. Kf1 Ke5 42. Rxf7 Kd4 43. Rh7 Kxc4 44. Rb2 Rxa5 45. Rxh5 Ra1+ 46. Ke2 Kc3 47. Rd2 d5 48. Rh8 d4 49. Rc8 Ra5 50. f4 e5 51. fxe5 Kc4 52. Rc2+ Kd5 53. R8xc5+ Rxc5 54. Rxc5+ Kxc5 55. Kd3 Kd5 56. e6 Kxe6 57. Kxd4 Kf6 58. Ke3 1-0

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "13"]
[White "McMahon, Erick"]
[Black "Ogata, Edson Akio"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "139"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nf6 3. e3 Qd6 4. f4 Nc6 5. Nf3 Nd7 6. c4 dxc4 7. Bxc4 Nb6 8. Be2 f6 9. 0-0 g6 10. Nc3 Bg7 11. Rc1 0-0 12. d4 Rd8 13. a3 e5 14. d5 Qc5 15. b4 Qxe3+ 16. Kh1 Be6 17. Qb3 Rxd5 18. Qc2 Rd6 19. Nb5 Bf5 20. Bc4+ Kh8 21. Qe2 Qxe2 22. Bxe2 Rd7 23. fxe5 fxe5 24. Nxc7 Rc8 25. Nb5 a6 26. Nc3 e4 27. Ne1 Rd2 28. Ba1 Nd4 29. Bd1 Nd5 30. Kg1 Nxc3 31. Bxc3 Rxc3 32. Rxc3 Ne2+ 33. Bxe2 Bxc3 34. Bc4 b5 35. Bb3 Rb2 36. Bd5 Bd4+ 37. Kh1 Rf2 38. Rxf2 Bxf2 39. Nc2 e3 40. Nd4 Bd3 41. Bf3 Kg7 42. g3 Be1 43. Be2 Be4+ 44. Kg1 Bd5 45. Bd3 Bd2 46. Kf1 Bc1 47. Nc2 Bf3 48. Nd4 Bd1 49. Ne6+ Kf6 50. Nc5 Ke5 51. Nxa6 Kd4 52. Bxb5 Kc3 53. Nc5 Bxa3 54. Ke1 Bg4 55. Ne4+ Kc2 56. Be2 Bxb4+ 57. Kf1 Bf5 58. Ng5 h6 59. g4 hxg5 60. gxf5 gxf5 61. h3 Kd2 62. Bf3 Kd3 63. Be2+ Ke4 64. Kg2 Be1 65. Bf3+ Kd3 66. Kf1 Bf2 67. Be2+ Ke4 68. Kg2 Kf4 69. Bf3 Bh4 70. Be2 1/2-1/2

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "5"]
[White "Ogata, Edson Akio"]
[Black "Barua, Dibyendu"]
[Result "0-1"]
[ECO "D20"]
[BlackElo "2400"]
[PlyCount "92"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 e6 6. Nc3 c5 7. Bxd5 exd5 8. dxc5 d4 9. Ne4 Qd5 10. Qf3 Be6 11. Bf4 Bxc5 12. Nxc5 Qxc5 13. a3 0-0 14. Ne2 Nc6 15. b4 Qb5 16. Rd1 Rfd8 17. 0-0 d3 18. Ng3 Nd4 19. Qe3 Ne2+ 20. Kh1 Rd4 21. Bg5 h6 22. Be7 Rd5 23. Ne4 Rxe5 24. f4 Rh5 25. Rxd3 Rxh2+ 26. Kxh2 Qh5+ 27. Qh3 Bxh3 28. Rxh3 Qf5 29. Ng3 Nxg3 30. Rxg3 Re8 31. Bc5 b6 32. Bd4 f6 33. Rff3 Re1 34. Re3 Qxf4 35. Rxe1 Qh4+ 36. Rh3 Qxe1 37. Rg3 Kf7 38. Bc3 Qe4 39. Rf3 f5 40. Kg1 g5 41. a4 f4 42. Bd2 Qd4+ 43. Rf2 Kg6 44. a5 b5 45. Kf1 g4 46. Bxf4 Qd1# 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "3"]
[White "Ogata, Edson Akio"]
[Black "Matamoros Franco, Carlos S"]
[Result "0-1"]
[ECO "A59"]
[BlackElo "2325"]
[PlyCount "52"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. f4 Bg7 10. Nf3 0-0 11. Qe2 Na6 12. h4 e6 13. dxe6 fxe6 14. Ng5 Qd7 15. g3 Nb4 16. Kg2 Nc6 17. Qc4 Nd4 18. Rb1 h6 19. Nf3 Nxf3 20. Kxf3 d5 21. exd5 exd5 22. Qxc5 d4 23. Be3 Qb7+ 24. Ke2 Qg2+ 25. Kd3 dxe3 26. Rhg1 Qd2+ 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "12"]
[White "Ogata, Edson Akio"]
[Black "Najjar, Ahmad"]
[Result "1-0"]
[ECO "E92"]
[PlyCount "95"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Na6 14. Ke2 Nc7 15. Bb3 Be6 16. Rac1 Bxb3 17. Rxc7 Bxa2 18. Ra1 Be6 19. Rxb7 a6 20. Ra4 Rac8 21. Nd2 h6 22. Be7 Rc6 23. Ra7 Kh7 24. Bb4 Bc8 25. Rxf7 Be6 26. Ra7 Bc4+ 27. Nxc4 Rxc4 28. Rxg7+ Kxg7 29. Bf8+ Rxf8 30. Rxc4 Rb8 31. b4 Kf6 32. Kd3 Kg5 33. Kc3 Rb6 34. f3 Rd6 35. g3 Rf6 36. f4+ exf4 37. e5 fxg3 38. h4+ Kh5 39. exf6 g2 40. f7 g1Q 41. f8Q Qc1+ 42. Kd3 Qd1+ 43. Ke4 Qe2+ 44. Kd5 Qd3+ 45. Rd4 Qb3+ 46. Kd6 a5 47. Qe7 Qg3+ 48. Qe5+ 1-0

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "11"]
[White "Ogata, Edson Akio"]
[Black "Olsen, Heini"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "53"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 0-0 5. e4 d6 6. Be2 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. Qc2 c6 10. Rd1 Qe7 11. Bg5 Re8 12. Qd2 Nf8 13. h3 Ne6 14. Be3 Nd4 15. Nxd4 exd4 16. Qxd4 Ng4 17. Qd2 Nxe3 18. Qxe3 Bxc3 19. bxc3 c5 20. a4 Kg7 21. a5 Bd7 22. Rd5 b6 23. e5 Rac8 24. axb6 Ra8 25. Rxd7 Qxd7 26. Bf3 Rad8 27. bxa7 1-0

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "7"]
[White "Ogata, Edson Akio"]
[Black "Oparaugo, Thomas"]
[Result "1-0"]
[ECO "E92"]
[PlyCount "115"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 0-0 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 Bd7 12. 0-0-0 c6 13. Bc4 b5 14. dxc6 Bxc6 15. Bd5 h6 16. Be3 Rc8 17. Kb1 Na6 18. Bxc6 Rxc6 19. Rd7 Nc5 20. Bxc5 Rxc5 21. Rhd1 a6 22. a3 Rac8 23. Rd8+ Rxd8 24. Rxd8+ Kh7 25. Rd6 a5 26. b3 f5 27. Ra6 fxe4 28. Nd2 b4 29. Nxe4 Rd5 30. a4 g5 31. Kc2 Kg8 32. Rd6 Rd4 33. Rxd4 exd4 34. Nc5 Be5 35. h3 Kf7 36. Kd3 Ke7 37. Ke4 Bc7 38. Kxd4 Kd6 39. Nd3 Ke6 40. Kc5 Kf5 41. Kc6 Bd8 42. Nc5 h5 43. Nb7 Bf6 44. Kd5 Bc3 45. Nxa5 Be1 46. Nc6 Bxf2 47. Nxb4 Bg1 48. Nd3 g4 49. hxg4+ Kxg4 50. Ke4 Bh2 51. Ne5+ Kg3 52. Nf3 Kxg2 53. Nxh2 Kxh2 54. a5 h4 55. a6 h3 56. a7 Kg1 57. a8Q h2 58. Ke3 1-0

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "1"]
[White "Ogata, Edson Akio"]
[Black "Puri, Vinny"]
[Result "0-1"]
[ECO "E92"]
[BlackElo "2330"]
[PlyCount "114"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[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. Nf3 0-0 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Nc6 14. 0-0-0 Bg4 15. h3 Bxf3 16. gxf3 Rac8 17. Kb1 Bf8 18. h4 h5 19. Be3 b6 20. Rhg1 Kg7 21. Rg5 Kf6 22. a3 Bh6 23. Rgg1 Bf4 24. Rd3 Red8 25. Rgd1 Ne7 26. Bb3 Rxd3 27. Rxd3 Rc7 28. Rd6+ Kg7 29. a4 f6 30. Re6 g5 31. Bxf4 gxf4 32. Rd6 Ng6 33. Rd1 Nxh4 34. Rg1+ Kh6 35. Bd1 Ng6 36. Be2 Ne7 37. b4 Rd7 38. Rc1 Rd4 39. b5 Rxa4 40. Rc7 Ng6 41. Rf7 Kg5 42. Rg7 h4 43. Bf1 Ra3 44. Bh3 Kh6 45. Rf7 Rxf3 46. Bf5 Rxf2 47. Rxf6 Rg2 48. Rf7 Rg3 49. Kc2 h3 50. Bxh3 Rxh3 51. Rxa7 Rh2+ 52. Kd3 Rb2 53. Kc4 f3 54. Ra3 Nh4 55. Rd3 f2 56. Rd1 Nf3 57. Kc3 Re2 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "9"]
[White "Ogata, Edson Akio"]
[Black "Zlatohlavek, Libor"]
[Result "0-1"]
[ECO "D34"]
[PlyCount "94"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 c5 6. 0-0 Nc6 7. cxd5 exd5 8. Nc3 0-0 9. Bg5 cxd4 10. Nxd4 Re8 11. Re1 h6 12. Bf4 Bg4 13. Qa4 Qd7 14. Rac1 Rad8 15. Red1 Bh3 16. Bh1 Bf8 17. Nb3 Qe6 18. Be3 Bb4 19. Nd4 Qd6 20. Ncb5 Qf8 21. a3 Bc5 22. Nxc6 Bxe3 23. Nxd8 Qe7 24. Bf3 Bxf2+ 25. Kxf2 Qe3+ 26. Ke1 Qxf3 27. Nc3 Qg2 28. Nxb7 Bg4 29. Qb5 d4 30. Rxd4 Qg1+ 31. Kd2 Qxd4+ 32. Kc2 Re5 33. Qd3 Qf2 34. Kd2 Bf5 35. Qc4 Qe3+ 36. Kd1 Qg1+ 37. Kd2 Qe3+ 38. Kd1 Qg1+ 39. Kd2 Qb6 40. Qb4 Qf2 41. Qf4 Ne4+ 42. Nxe4 Qd4+ 43. Ke1 Bxe4 44. Rc8+ Kh7 45. Nc5 Qg1+ 46. Kd2 Rd5+ 47. Kc3 Rxc5+ 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "6"]
[White "Pacheco Vega, Juan Edgardo"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "E42"]
[PlyCount "57"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 0-0 7. a3 Be7 8. Nf4 d5 9. cxd5 exd5 10. Bd3 Nc6 11. 0-0 Re8 12. Re1 Nxd4 13. Bxh7+ Nxh7 14. Qxd4 Bf6 15. Qd2 Be6 16. h3 Rc8 17. Nfxd5 Bxd5 18. Rxe8+ Qxe8 19. Nxd5 Rd8 20. Qe3 Qd7 21. Nxf6+ Nxf6 22. b4 Re8 23. Qd2 Qf5 24. Bb2 Ne4 25. Qd4 Qg6 26. Rc1 Ng5 27. Qg4 Re4 28. Qg3 Qf5 29. Rc5 1-0

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "2"]
[White "Saleh, Nabil"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "A43"]
[PlyCount "102"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. Nf3 Qa5+ 4. Nc3 b5 5. Bg5 Bb7 6. Bxf6 exf6 7. e3 c4 8. a3 Na6 9. Be2 Nc7 10. 0-0 Qb6 11. Qd4 Bc5 12. Qe4+ Kf8 13. Rfd1 Re8 14. Qg4 Re7 15. Nh4 g6 16. Qf3 Kg7 17. Nf5+ gxf5 18. Qg3+ Kf8 19. d6 Re5 20. dxc7 Qxc7 21. Bf3 Rg8 22. Qh3 Bc6 23. Bxc6 Qxc6 24. g3 Qf3 25. Rxd7 Rxe3 26. Qg2 Rxc3 27. bxc3 Qxc3 28. Rad1 Qe5 29. Qa8+ Kg7 30. Qd5 Rf8 31. Qf3 Qe4 32. Qxe4 fxe4 33. R1d5 Rc8 34. Kg2 a6 35. Rb7 Bxa3 36. Ra7 Rc6 37. Rdd7 b4 38. Rxf7+ Kg6 39. Rab7 Rd6 40. g4 f5 41. gxf5+ Kg5 42. Kg3 Rf6 43. Rxf6 Kxf6 44. Rb6+ Kxf5 45. Rxa6 Ke5 46. c3 bxc3 47. Rxa3 Kd4 48. Kf4 c2 49. Ra1 c3 50. Re1 Kd3 51. f3 Kd2 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "10"]
[White "Santa Maria, N."]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "131"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Bd2 Nxc3 8. bxc3 Be7 9. Qg4 0-0 10. Bh6 g6 11. Bxf8 Bxf8 12. Bd3 d6 13. f4 Bg7 14. 0-0 dxe5 15. fxe5 Bxe5 16. Qe4 Qc7 17. Qh4 Nc6 18. Nf3 Bxc3 19. Ng5 f5 20. Rad1 Bf6 21. Qh6 Qg7 22. Qxg7+ Kxg7 23. Nf3 Nb4 24. a3 Nxd3 25. Rxd3 Kf7 26. Rfd1 e5 27. Rd5 e4 28. Nd4 a6 29. c4 Ke7 30. Rc5 Bxd4+ 31. Rxd4 Be6 32. Rc7+ Kf6 33. Rd6 b5 34. c5 a5 35. Rcc6 Re8 36. Rb6 b4 37. axb4 axb4 38. Rxb4 Ke5 39. Rbb6 Bd5 40. Rd7 Rc8 41. Re7+ Kd4 42. Rxh7 Rxc5 43. Rb1 Rc2 44. Rg7 f4 45. Rxg6 Bc4 46. Rd1+ Ke3 47. Ra1 Be2 48. h4 Rc7 49. Ra3+ Bd3 50. h5 Kd2 51. h6 e3 52. h7 e2 53. Rxd3+ Kxd3 54. h8Q e1Q+ 55. Kh2 Qe7 56. Qh3+ Kd4 57. Re6 Qh7 58. Rh6 Qe7 59. Qb3 Qe5 60. Qd1+ Kc4 61. Rh5 Qe8 62. Qd5+ Kc3 63. Qa5+ Kd4 64. Qd2+ Kc4 65. Qd5+ Kb4 66. Qa5+ 1-0

[Event "BRA-ch U16 7th"]
[Site "Curitiba"]
[Date "1985.06.??"]
[Round "2"]
[White "Disconzi da Silva, Rodrigo"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "101"]
[EventDate "1985.06.19"]
[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 c5 2. e3 Nf6 3. Nf3 e6 4. Bd3 d5 5. b3 Nbd7 6. Bb2 b6 7. 0-0 Bb7 8. Ne5 cxd4 9. exd4 Nxe5 10. dxe5 Nd7 11. Nd2 Qc7 12. f4 g6 13. Rc1 b5 14. a3 a5 15. Kh1 Qb6 16. Qe2 Ba6 17. Rb1 Qc6 18. Nf3 Bc5 19. Rfc1 Qb6 20. Re1 0-0 21. Qd2 b4 22. a4 Rfc8 23. g4 Qc6 24. Rbc1 Bb6 25. f5 Nc5 26. Bxa6 Rxa6 27. Qh6 d4 28. Rf1 exf5 29. gxf5 Rd8 30. f6 Ne6 31. h3 Bc7 32. Kh2 Qe4 33. Rce1 Qxc2+ 34. Kh1 Qf5 35. Nxd4 Qg5 36. Qxg5 Nxg5 37. Nb5 Bb8 38. h4 Ne6 39. Rd1 Rc6 40. Rxd8+ Nxd8 41. Rd1 Ne6 42. Rd7 Rc8 43. Nd6 Rc7 44. Re7 Ng7 45. Rxc7 Bxc7 46. fxg7 Bd8 47. Kg2 Bxh4 48. Nb7 Kxg7 49. Nxa5 Kf8 50. Nc6 Be1 51. a5 1-0

[Event "BRA-ch U16 7th"]
[Site "Curitiba"]
[Date "1985.06.??"]
[Round "6"]
[White "Matsuura, Everaldo"]
[Black "Ogata, Edson Akio"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "129"]
[EventDate "1985.06.19"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Qg4 0-0 8. Bh6 g6 9. Bxf8 Qxf8 10. Qg3 Qc5 11. Nde2 Nc6 12. 0-0-0 Nxc3 13. Nxc3 Bxc3 14. Qxc3 Qxc3 15. bxc3 Nxe5 16. Be2 f6 17. f4 Nf7 18. h4 d6 19. h5 Bd7 20. hxg6 hxg6 21. Bf3 Rb8 22. Rhe1 b6 23. Bg4 f5 24. Bf3 Rc8 25. Kb2 d5 26. g4 Nd6 27. gxf5 gxf5 28. Rh1 Rf8 29. Rdg1+ Kf7 30. Rh7+ Ke8 31. Rgg7 Bc8 32. Be2 a5 33. Ra7 Kd8 34. Ra8 Rf7 35. Rxf7 Nxf7 36. Ra7 Nd6 37. Rh7 Bd7 38. Kb3 Ne4 39. c4 d4 40. Rh2 Kc7 41. Bf3 Kd6 42. Bxe4 fxe4 43. Rh5 Bc6 44. Re5 Bb7 45. Kb2 Bc6 46. Kc1 Kd7 47. Kd2 Kd6 48. a4 Kd7 49. c5 bxc5 50. Rxc5 Bxa4 51. Rc4 Bc6 52. Rxd4+ Kc7 53. Kc3 a4 54. Kb4 Kb7 55. Rd6 Bd5 56. Kxa4 e3 57. Rd7+ Kc6 58. Rg7 Kc5 59. Rg1 e2 60. Re1 Bf3 61. Kb3 Kd4 62. Kb2 Ke3 63. Kc3 Be4 64. Rc1 Bd5 65. Rb1 1/2-1/2

[Event "BRA-ch U16 7th"]
[Site "Curitiba"]
[Date "1985.06.??"]
[Round "5"]
[White "Ogata, Edson Akio"]
[Black "Cabral Filho, Adilson Vaz"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "57"]
[EventDate "1985.06.19"]
[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. b3 Nc6 3. Bb2 d6 4. Ne2 Nf6 5. Nbc3 g6 6. Nd5 Bg7 7. Nxf6+ Bxf6 8. Bxf6 exf6 9. Nc3 f5 10. Bb5 0-0 11. 0-0 Nd4 12. Bd3 Kh8 13. Nd5 Be6 14. c3 Nc6 15. Bc2 Rc8 16. Nf4 fxe4 17. Bxe4 d5 18. Bc2 Qd6 19. Qf3 Ne5 20. Qg3 Rce8 21. d4 cxd4 22. cxd4 Bd7 23. dxe5 Qxe5 24. Rac1 Bb5 25. Rfd1 d4 26. Nd3 Qxg3 27. hxg3 g5 28. a4 Ba6 29. Nc5 1-0

[Event "BRA-ch U16 7th"]
[Site "Curitiba"]
[Date "1985.06.??"]
[Round "4"]
[White "Ogata, Edson Akio"]
[Black "Caldeira, Adriano"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "64"]
[EventDate "1985.06.19"]
[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 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bg5 Be7 8. Bd3 0-0 9. h4 b6 10. Qe2 Bb7 11. 0-0-0 Qd5 12. Kb1 Rfd8 13. Bxf6 Bxf6 14. Ng5 Bxg5 15. hxg5 g6 16. Rh4 Qxg5 17. Rdh1 h5 18. R1h2 Qf6 19. Qe3 Kf8 20. Rf4 Qg7 21. g4 g5 22. Re4 Bxe4 23. Qxe4 Qxd4 24. Qh7 Qxg4 25. Rh1 h4 26. a3 Ke7 27. f3 Qf4 28. Re1 Rh8 29. Qg7 Qf6 30. Qxf6+ Kxf6 31. Kc1 Rad8 32. Kd2 Rxd3+ 0-1

[Event "BRA-ch U16 7th"]
[Site "Curitiba"]
[Date "1985.06.??"]
[Round "1"]
[White "Ogata, Edson Akio"]
[Black "Paranhos, Robinson"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "81"]
[EventDate "1985.06.19"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Nb4 10. Rc1 c5 11. a3 cxd4 12. Nxd4 Nc6 13. Nxf5 exf5 14. Nd5 Nxe5 15. Nxb6 axb6 16. Qxd8+ Rxd8 17. Bxb6 Rc8 18. Bd4 f6 19. Be2 Bc5 20. Bxc5 Rxc5 21. 0-0 0-0 22. Rxf5 g6 23. Rf4 Kg7 24. Rd4 Rfc8 25. b4 R5c7 26. Rd6 Rc6 27. Rcd1 R8c7 28. c5 Kf7 29. Bb5 Rxd6 30. cxd6 Rc8 31. d7 Rd8 32. Rd6 Ke7 33. Rb6 Rb8 34. a4 f5 35. Ba6 Nxd7 36. Rxb7 Rxb7 37. Bxb7 Ne5 38. Kf1 Nd3 39. b5 Nc5 40. a5 Kd6 41. b6 1-0

[Event "BRA-ch U16 7th"]
[Site "Curitiba"]
[Date "1985.06.??"]
[Round "7"]
[White "Ogata, Edson Akio"]
[Black "Reggiani, Rodrigo"]
[Result "1-0"]
[ECO "B44"]
[PlyCount "55"]
[EventDate "1985.06.19"]
[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 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 a6 7. N5a3 Nf6 8. Nc3 Be7 9. Be3 Qc7 10. Be2 b6 11. 0-0 Bb7 12. Rc1 0-0 13. Qb3 Bd8 14. Rfd1 Na5 15. Qc2 Nc6 16. f3 Nd7 17. Qd2 Be7 18. Nab1 Nce5 19. f4 Nxc4 20. Bxc4 Qxc4 21. Nd5 Qxe4 22. Nxe7+ Kh8 23. Rc7 Nc5 24. Nc3 Qb4 25. Qc2 Bd5 26. Ncxd5 exd5 27. Nxd5 Qe4 28. Rxc5 1-0

[Event "BRA-ch U16 7th"]
[Site "Curitiba"]
[Date "1985.06.??"]
[Round "3"]
[White "Soares, Antonio Alvaro"]
[Black "Ogata, Edson Akio"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "62"]
[EventDate "1985.06.19"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Nxe4 5. Nc3 Nf6 6. Nxe5 Nxe5 7. Re1 Qe7 8. d4 Nxc4 9. Rxe7+ Bxe7 10. Qe2 d5 11. Nxd5 Nxd5 12. Qxc4 c6 13. Qe2 Be6 14. c3 0-0 15. Bd2 Rfe8 16. Re1 Bd6 17. g3 Nf6 18. a3 Bd5 19. Be3 b5 20. Qd1 a5 21. Qc1 Re6 22. Bd2 Ne4 23. Be3 Rae8 24. h4 Nxg3 25. fxg3 Bxg3 26. Re2 Bf3 27. Bf2 Rxe2 28. Bxg3 Rg2+ 29. Kf1 Rxg3 30. Qf4 Be2+ 31. Ke1 Rg1+ 0-1

[Event "BRA-ch U16 4th"]
[Site "Matao"]
[Date "1982.07.??"]
[Round "7"]
[White "Chaves Filho, Luiz G"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "71"]
[EventDate "1982.07.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be2 Nd7 5. Be3 c5 6. Qd2 Qb6 7. Nf3 Ngf6 8. 0-0 0-0 9. e5 Ne8 10. Nd5 Qd8 11. Bg5 f6 12. exf6 exf6 13. Bf4 Nb6 14. dxc5 dxc5 15. Nxb6 Qxb6 16. Bc4+ Be6 17. Bxe6+ Qxe6 18. Rfe1 Qc6 19. Re7 Rf7 20. Rae1 Kf8 21. Qe3 Qc8 22. Rxe8+ Qxe8 23. Bd6+ Kg8 24. Qxe8+ Rxe8 25. Rxe8+ Bf8 26. Bxf8 Rxf8 27. Rxf8+ Kxf8 28. Kf1 Ke7 29. Ke2 Ke6 30. Kd3 b5 31. c4 b4 32. Ke4 g5 33. g4 a6 34. Nd2 h5 35. h3 h4 36. f4 1-0

[Event "BRA-ch U16 4th"]
[Site "Matao"]
[Date "1982.07.??"]
[Round "2"]
[White "Freire, Marcelo Muniz"]
[Black "Ogata, Edson Akio"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "85"]
[EventDate "1982.07.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. Na4 Bb6 6. Nxb6 axb6 7. Nf3 Bg4 8. h3 Bd7 9. d4 Qe7 10. 0-0 Nf6 11. Re1 0-0 12. c3 Rfd8 13. Qc2 Re8 14. Bd2 Rec8 15. Qd3 b5 16. Nh4 b4 17. Nf5 Qd8 18. cxb4 exd4 19. Nxd4 Ne5 20. Qe2 c6 21. f4 Ng6 22. Kh2 Qc7 23. Qd3 Re8 24. Rec1 Qb8 25. a4 Rc8 26. b3 h5 27. Kh1 Re8 28. Re1 Qc8 29. Kh2 Qc7 30. Rac1 Qb6 31. a5 Qd8 32. Re2 Qb8 33. Rf1 b6 34. e5 dxe5 35. Nxc6 Bxc6 36. Bxc6 Rd8 37. Qc3 Ra7 38. fxe5 Nd5 39. Bxd5 Rxd5 40. e6 Rd8 41. exf7+ Rxf7 42. Rxf7 Kxf7 43. Qc4+ 1-0

[Event "BRA-ch U16 4th"]
[Site "Matao"]
[Date "1982.07.??"]
[Round "4"]
[White "Machado, Jose Arimateia"]
[Black "Ogata, Edson Akio"]
[Result "1/2-1/2"]
[ECO "B44"]
[PlyCount "62"]
[EventDate "1982.07.19"]
[EventType "tourn"]
[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. d4 cxd4 4. Nxd4 e6 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qe7 8. Qxe7+ Ngxe7 9. b3 0-0 10. Bb2 d5 11. exd5 Nxd5 12. Be2 Rd8 13. 0-0 Ndb4 14. Rc1 Nd5 15. Na3 Bd7 16. Nc4 b5 17. Ne5 Nxe5 18. Bxe5 f6 19. Bb2 Nb6 20. Bf3 Rab8 21. Ba3 Be8 22. Rd1 Rd7 23. Rxd7 Nxd7 24. Bd6 Rc8 25. Rc1 a5 26. c3 Nf8 27. c4 bxc4 28. bxc4 Bc6 29. Bg4 Kf7 30. Re1 f5 31. Be2 Nd7 1/2-1/2

[Event "BRA-ch U16 4th"]
[Site "Matao"]
[Date "1982.07.??"]
[Round "5"]
[White "Ogata, Edson Akio"]
[Black "Gimenez, Fabiola"]
[Result "0-1"]
[ECO "A92"]
[PlyCount "84"]
[EventDate "1982.07.19"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. g3 e6 3. Bg2 Nf6 4. Nf3 Be7 5. c4 d5 6. cxd5 exd5 7. Nc3 0-0 8. Qb3 c6 9. 0-0 Nbd7 10. Qc2 Ne4 11. Nd2 Bf6 12. e3 Nb6 13. Qb3 Kh8 14. f4 Qe8 15. Ndxe4 fxe4 16. Qc2 Be7 17. b3 Qh5 18. Rf2 Nd7 19. Qe2 Qh6 20. Bf1 Nf6 21. a3 Bg4 22. Qd2 Bf3 23. h3 Qg6 24. g4 Nxg4 25. hxg4 Qxg4+ 26. Bg2 Bh4 27. Rf1 Rf6 28. Ra2 Rh6 29. Rf2 Bxf2+ 30. Qxf2 Rg6 31. Kf1 Rf8 32. Rd2 Rf5 33. Bxf3 exf3 34. Ke1 Qg1+ 35. Qxg1 Rxg1+ 36. Kf2 Rxc1 37. Nd1 Rb1 38. Rd3 Ra1 39. a4 Ra2+ 40. Kxf3 Rh5 41. Nf2 Rh2 42. Ng4 Rh3# 0-1

[Event "BRA-ch U16 4th"]
[Site "Matao"]
[Date "1982.07.??"]
[Round "6"]
[White "Ogata, Edson Akio"]
[Black "Mello, Andre Luiz"]
[Result "1/2-1/2"]
[ECO "B70"]
[PlyCount "56"]
[EventDate "1982.07.19"]
[EventType "tourn"]
[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 g6 6. Bd3 Bg7 7. Nf3 0-0 8. 0-0 Nc6 9. a3 Be6 10. Re1 Rc8 11. Rb1 Nd7 12. Bd2 Nc5 13. Bf1 a6 14. b4 Nd7 15. Ng5 Nd4 16. Bd3 Bc4 17. Ne2 Ba2 18. Rc1 h6 19. Nxd4 hxg5 20. c3 e5 21. Ne2 f6 22. Be3 Be6 23. Qd2 Nb6 24. Red1 Nc4 25. Bxc4 Bxc4 26. Ng3 Bb3 27. Re1 Rc6 28. c4 Qc7 1/2-1/2

[Event "BRA-ch U16 4th"]
[Site "Matao"]
[Date "1982.07.??"]
[Round "3"]
[White "Ogata, Edson Akio"]
[Black "Moura, Eduardo Henrique B"]
[Result "1/2-1/2"]
[ECO "E36"]
[PlyCount "51"]
[EventDate "1982.07.19"]
[EventType "tourn"]
[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 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. a3 Be7 7. Nf3 Nc6 8. e3 0-0 9. Bd3 a6 10. Bd2 Re8 11. 0-0 Bd6 12. Rfc1 Bg4 13. Ne1 Qd7 14. Na4 Ne7 15. Nc5 Qc8 16. Bc3 b6 17. Nb3 Bf5 18. Bb4 a5 19. Bxd6 cxd6 20. Bxf5 Nxf5 21. Qd3 Qd7 22. Nf3 Rac8 23. Qa6 Ra8 24. Qd3 Rac8 25. Qa6 Ra8 26. Qd3 1/2-1/2

[Event "BRA-ch U16 4th"]
[Site "Matao"]
[Date "1982.07.??"]
[Round "1"]
[White "Ogata, Edson Akio"]
[Black "Tamura, Ricardo Miguel"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "90"]
[EventDate "1982.07.19"]
[EventType "tourn"]
[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. e4 d6 5. Nf3 0-0 6. Bd3 c5 7. d5 e6 8. 0-0 exd5 9. exd5 Re8 10. Bg5 Na6 11. a3 Nc7 12. Qc2 Bg4 13. Nd2 Re5 14. Nde4 Bf5 15. f4 Re8 16. Nxf6+ Bxf6 17. Bxf5 Bxg5 18. fxg5 gxf5 19. Qxf5 Re7 20. Ne4 Rxe4 21. Qxe4 Qxg5 22. Rae1 Re8 23. Qf3 Rf8 24. Re4 Kh8 25. Qf6+ Qxf6 26. Rxf6 Ne8 27. Rf3 b5 28. b3 Kg7 29. Re7 a6 30. Ra7 bxc4 31. bxc4 Nf6 32. Rxa6 Ne4 33. Rd3 Rb8 34. Rd1 Rb3 35. Rc1 Kf6 36. Ra7 Kg6 37. Re7 f5 38. g4 Ng5 39. gxf5+ Kxf5 40. Rc2 Rxa3 41. Kg2 h5 42. Rf2+ Kg4 43. Rg7 h4 44. Rf8 Ra2+ 45. Rf2 Ra3 1/2-1/2

