| # |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
| 1 | Ogata Masaki | 7p | Imamura Yoshiaki | 6p | B+R | 153 | 1991-02-14 | Tengen, 17th | 1-05 | | 2 | Imamura Yoshiaki | 7p | Ogata Masaki | 9p | W+R | 152 | 1995-04-13 | Okan Sen, 36th | 2 | | 3 | Ogata Masaki | 7p | Inagaki Koichi | 8p | B+R | 127 | 1988-10-27 | Okan Sen, 29th | 4 | | 4 | Inagaki Koichi | 8p | Ogata Masaki | 9p | W+R | 172 | 1994-03-10 | Okan Sen, 35th | 2 | | 5 | Ogata Masaki | 9p | Inoue Kunio | 8p | B+R | 165 | 1994-02-07 | Ryusei Cup, 04th | Block B, Game 15 | | 6 | Ogata Masaki | 6p | Ishida Akira | 9p | W+R | 164 | 1987-02-19 | Gosei, 12th | Round 2-4 | | 7 | Ogata Masaki | 9p | Ishida Akira | 9p | W+R | 190 | 2002-02-04 | Ryusei Cup, 11th | Block B, Game 09 | | 8 | Ishida Atsushi | 9p | Ogata Masaki | 9p | B+R | 161 | 2012-09-08 | Daiwa Cup, 08th | 1 | | 9 | Ogata Masaki | 8p | Ishida Yoshio | 9p | B+R | 211 | 1992-10-08 | Judan, 31st | Losers' Section, 2-4 | | 10 | Ogata Masaki | 9p | Ishida Yoshio | 9p | B+3.5 | 296 | 2007-05-31 | Agon Cup, 14th | Last primary tournament, Final | | 11 | Ogata Masaki | 9p | Ishida Yoshio | 9p | W+2.5 | 240 | 2013-02-21 | Ryusei, 22nd | block-B | | 12 | Ogata Masaki | 5p | Ishii Kunio | 9p | W+R | 140 | 1984-02-09 | Tengen, 10th | 1 | | 13 | Ogata Masaki | 9p | Ishii Kunio | 9p | B+R | 121 | 2015-01-29 | | | | 14 | Ito Yoji | 8p | Ogata Masaki | 9p | W+R | 144 | 1994-09-08 | Okan Sen, 35th | 4 | | 15 | Ogata Masaki | 9p | Ito Yoji | 9p | B+1.5 | 238 | 2005-02-17 | Tengen, 31st | 1-16 | | 16 | Ogata Masaki | 8p | Iwata Hajime | 7p | B+R | 201 | 1993-03-11 | Tengen, 19th | 1-12 | | 17 | Iwata Tatsuaki | 9p | Ogata Masaki | 5p | B+R | 133 | 1984-03-22 | Okan Sen, 25th | 2 | | 18 | Iwata Tatsuaki | 9p | Ogata Masaki | 7p | W+R | 198 | 1988-09-15 | Okan Sen, 29th | 3 | | 19 | Ogata Masaki | 7p | Iwata Tatsuaki | 9p | B+1.5 | 262 | 1989-11-09 | Okan Sen, 30th | Final | | 20 | Iwata Tatsuaki | 9p | Ogata Masaki | 8p | B+R | 169 | 1992-12-24 | Okan Sen, 34th | 1 | | 21 | Iyama Yuta | 7p | Ogata Masaki | 9p | B+R | 249 | 2006-09-17 | Daiwa-Shoken Cup, 1st | League A | | 22 | Iyama Yuta | 8p | Ogata Masaki | 9p | B+R | 137 | 2009-08-06 | Meijin, 34th | League | | 23 | Iyama Yuta | 9p | Ogata Masaki | 9p | B+R | 153 | 2011-09-26 | NEC Cup, 31st | 2 | | 24 | Kamimura Haruo | 9p | Ogata Masaki | 9p | B+R | 227 | 2000-02-07 | Ryusei Cup, 09th | Block C, Game 17 | | 25 | Ogata Masaki | 9p | Kamimura Haruo | 9p | B+3.5 | 285 | 2005-11-28 | Ryusei Cup, 15th | Block A, Game 07 | | 26 | Kamimura Kunio | 8p | Ogata Masaki | 7p | B+R | 123 | 1990-05-10 | Judan, 29th | 1-02 | | 27 | Kasai Koji | 6p | Ogata Masaki | 9p | W+0.5 | 271 | 1990-11-15 | Gosei, 16th | 1-09 | | 28 | Ogata Masaki | 9p | Kato Atsushi | 8p | B+1.5 | 251 | 2004-11-11 | Meijin, 30th | Preliminaries | | 29 | Kato Atsushi | 8p | Ogata Masaki | 9p | B+R | 233 | 2008-12-15 | NHK Cup, 56th | Quaterfinal | | 30 | Ogata Masaki | 9p | Kato Atsushi | 9p | B+R | 195 | 2011-09-15 | Judan, 50th | 2 | | 31 | Kiyonari Tetsuya | 9p | Ogata Masaki | 9p | W+0.5 | 273 | 2000-01-17 | Ryusei Cup, 09th | Block C, Game 16 | | 32 | Ko Iso | 7p | Ogata Masaki | 9p | B+R | 289 | 2006-12-19 | Japanese Daiwa-Shoken Cup, 2nd | Preliminaries | | 33 | Ko Iso | 8p | Ogata Masaki | 9p | B+R | 129 | 2011-12-22 | Judan, 50th | Semifinal | | 34 | Ogata Masaki | 9p | Ko Iso | 8p | W+R | 198 | 2014-03-31 | NHK Cup, 62nd | 1 | | 35 | Ko Mosei | 7p | Ogata Masaki | 6p | W+R | 144 | 1988-10-03 | Tengen, 14th | 1-11 | | 36 | Ko Mosei | 8p | Ogata Masaki | 9p | W+3.5 | 304 | 1994-01-17 | Ryusei Cup, 04th | Block B, Game 14 | | 37 | Kobayashi Koichi | 9p | Ogata Masaki | 7p | B+1 | 255 | 1990-09-19 | Judan, 29th | Losers' Section, 3-1 | | 38 | Ogata Masaki | 8p | Kobayashi Koichi | 9p | B+R | 169 | 1991-06-13 | Judan, 30th | 1-01 | | 39 | Kobayashi Koichi | 9p | Ogata Masaki | 9p | W+4.5 | 267 | 2005-06-12 | NHK Cup, 53rd | 1 | | 40 | Kobayashi Satoru | 9p | Ogata Masaki | 7p | B+5.5 | 235 | 1988-09-29 | Tengen, 14th | Semifinal - 1 | | 41 | Ogata Masaki | 9p | Kobayashi Satoru | 9p | B+0.5 | 297 | 2004-02-12 | Gosei, 29th | 1/16 Final - 15 | | 42 | Ogata Masaki | 9p | Kobayashi Satoru | 9p | W+0.5 | 287 | 2005-06-02 | Meijin, 30th | League, game 26 | | 43 | Ogata Masaki | 9p | Kobayashi Satoru | 9p | W+R | 170 | 2009-05-14 | Meijin, 34th | League | | 44 | Ogata Masaki | 9p | Kojima Takaho | 9p | B+R | 171 | 2005-11-28 | Ryusei Cup, 15th | Block A, Game 08 | | 45 | Ogata Masaki | 6p | Komatsu Hideki | 6p | W+0.5 | 300 | 1988-05-18 | Kisei, 13th | Meidan, Final 6 dan | | 46 | Ogata Masaki | 7p | Komatsu Hideki | 6p | W+R | 182 | 1988-07-21 | Shinjin-O, 13th | Semifinal - 2 | | 47 | Komatsu Hideki | 6p | Ogata Masaki | 7p | B+R | 149 | 1989-03-26 | Youth tournament, 19th | Final | | 48 | Komatsu Hideki | 8p | Ogata Masaki | 8p | W+3.5 | 249 | 1993-05-27 | Kisei, 18th | Final 8 dan | | 49 | Ogata Masaki | 8p | Komatsu Hideki | 8p | W+1.5 | 273 | 1993-09-09 | Kisei, 18th | 1/8 Final - 8 | | 50 | Komatsu Hideki | 9p | Ogata Masaki | 9p | B+4,5 | 265 | 2005-04-07 | Kisei, 30th | Preliminaries | | 51 | Kono Rin | 8p | Ogata Masaki | 9p | B+R | 231 | 2006-05-20 | NEC Cup, 26th | 1 | | 52 | Kono Rin | 9p | Ogata Masaki | 9p | B+R | 141 | 2009-04-02 | Tengen, 35th | 2 | | 53 | Ogata Masaki | 9p | Kono Rin | 9p | W+2.5 | 248 | 2010-06-03 | Honinbo, 66th, last preliminary tournament | | | 54 | Kono Rin | 9p | Ogata Masaki | 9p | W+R | 204 | 2010-09-09 | Meijin, 36th, last preliminary tournament | | | 55 | Kono Rin | 9p | Ogata Masaki | 9p | B+R | 187 | 2011-01-27 | Kisei, 36th, last preliminary tournament | | | 56 | Kono Rin | 9p | Ogata Masaki | 9p | W+2.5 | 255 | 2016-05-26 | Honinbo, 72nd, last preilminary tournament | | | 57 | Ogata Masaki | 8p | Kori Toshio | 8p | B+R | 217 | 1993-09-30 | Oteai, 1993 | game 14 | | 58 | Kudo Norio | 9p | Ogata Masaki | 8p | B+R | 153 | 1991-04-07 | Honinbo, 47th | 3rd Preliminary, Group 4 Semi-final | | 59 | Kurahashi Masayuki | 9p | Ogata Masaki | 9p | B+R | 213 | 2006-04-24 | NHK Cup, 54th | 1 | | 60 | Ogata Masaki | 6p | Kuwata Yasuaki | 8p | B+R | 143 | 1988-01-14 | Okan Sen, 29th | 1 | | 61 | Ogata Masaki | 9p | Kuwata Yasuaki | 8p | B+R | 125 | 1994-12-22 | Okan Sen, 36th | 1 | | 62 | Ogata Masaki | 7p | Liao Guiyong | 7p | W+2.5 | 249 | 1990-01-01 | China-Japan match | | | 63 | Ogata Masaki | 8p | Miyazawa Goro | 8p | W+2 | 320 | 1991-12-09 | Judan, 30th | Winners' Section, Semifinal - 1 | | 64 | Miyazawa Goro | 9p | Ogata Masaki | 8p | W+1.5 | 262 | 1992-10-29 | Judan, 31st | Losers' Section, 3-3 | | 65 | Ogata Masaki | 9p | Mizogami Tomochika | 8p | W+1.5 | 259 | 2010-01-14 | Meijin, 35th | League | | 66 | Mizuno Ichiro | 5p | Ogata Masaki | 5p | W+8.5 | 290 | 1983-12-08 | Okan Sen, 25th | 1 | | 67 | Ogata Masaki | 9p | Morita Michihiro | 6p | B+R | 171 | 1994-01-17 | Ryusei Cup, 04th | Block B, Game 13 | | 68 | Morita Michihiro | 9p | Ogata Masaki | 9p | W+R | 184 | 2000-01-17 | Ryusei Cup, 09th | Block C, Game 15 | | 69 | Murakawa Daisuke | 5p | Ogata Masaki | 9p | W+3.5 | 239 | 2010-06-10 | Agon Cup, 17th | 1 | | 70 | Murakawa Daisuke | 7p | Ogata Masaki | 9p | B+R | 147 | 2011-01-13 | Tengen, 37th | 1 | | 71 | Murakawa Daisuke | 8p | Ogata Masaki | 9p | B+R | 157 | 2016-06-20 | Tengen, 42nd | 3rd round | | 72 | Ogata Masaki | 9p | Murakawa Daisuke | 8p | W+R | 144 | 2016-07-25 | Honinbo, 72nd, last preilminary tournament | | | 73 | Nakamura Shinya | 8p | Ogata Masaki | 9p | W+R | 202 | 2010-12-09 | Tengen, 37th | | | 74 | Ogata Masaki | 9p | Nakano Hironari | 9p | W+2 | 233 | 1998-09-10 | Judan, 37th | Losers' Section, 2-4 | | 75 | Nakano Hironari | 9p | Ogata Masaki | 9p | B+7.5 | 252 | 2001-04-22 | NHK Cup, 49th | 1 | | 76 | Nakaonoda Tomomi | 8p | Ogata Masaki | 9p | W+R | 198 | 2001-12-17 | Ryusei Cup, 11th | Block B, Game 08 | | 77 | Ogata Masaki | 9p | Nakaonoda Tomomi | 9p | B+R | 131 | 2016-04-07 | Tengen, 42nd | 2nd round | | 78 | Ogata Masaki | 7p | O Meien | 8p | B+2 | 234 | 1990-06-21 | Judan, 29th | Losers' Section, 1-2 | | 79 | Ogata Masaki | 9p | O Meien | 9p | W+R | 246 | 2004-02-16 | Tengen, 30th | 1/16 Final - 16 | | 80 | O Meien | 9p | Ogata Masaki | 9p | B+R | 201 | 2005-03-10 | Meijin, 30th | League, game 16 | | 81 | O Meien | 9p | Ogata Masaki | 9p | B+4,5 | 249 | 2006-05-25 | Honinbo, 62nd | Last primary tournament | | 82 | O Meien | 9p | Ogata Masaki | 9p | W+R | 178 | 2008-03-06 | World Oza Toyota & Denso Cup, 4th | Last primary tournament | | 83 | O Meien | 9p | Ogata Masaki | 9p | W+R | 158 | 2009-01-22 | Meijin, 34th | League | | 84 | Ogata Masaki | 9p | O Meien | 9p | W+R | 216 | 2009-12-10 | Meijin, 35th | League | | 85 | O Meien | 9p | Ogata Masaki | 9p | B+R | 207 | 2013-08-22 | Judan, 52nd, last preliminary tournament | Final | | 86 | Ogata Masaki | 9p | O Meien | 9p | B+0.5 | 237 | 2015-12-24 | Tengen, 42nd | 1st round | | 87 | Ogata Masaki | 9p | O Meien | 9p | W+1.5 | 288 | 2016-04-14 | Igo Masters Cup, 6th | 2nd round | | 88 | Ogata Masaki | 7p | O Rissei | 8p | W+R | 254 | 1988-07-18 | IBM Lightning Go Championship, 1st | Quaterfinal - 2 | | 89 | Ogata Masaki | 9p | O Rissei | 9p | B+R | 203 | 2008-06-05 | Honinbo, 64th | Last primary tournament | | 90 | Ogata Masaki | 9p | O Rissei | 9p | W+R | 186 | 2008-07-05 | Daiwa Cup, 04th | tournament 1st round | | 91 | Ogata Masaki | 9p | O Rissei | 9p | W+1.5 | 272 | 2009-07-04 | Daiwa Cup, 05th | 1 | | 92 | O Rissei | 9p | Ogata Masaki | 9p | W+R | 160 | 2011-04-14 | Judan, 50th, last preliminary tournament | | | 93 | O Rissei | 9p | Ogata Masaki | 9p | B+R | 151 | 2014-03-13 | Ryusei, 23rd | block-C | | 94 | Ogata Masaki | 8p | Otake Hideo | 9p | W+R | 126 | 1993-02-04 | Judan, 31st | Final | | 95 | Ogata Masaki | 5p | Oya Koichi | 4p | B+0.5 | 297 | 1984-09-01 | Ryuen Cup, 8th | Final | | 96 | Ogata Masaki | 9p | Piao Wenyao | 5p | W+R | 214 | 2008-08-23 | World Oza Toyota & Denso Cup, 4th | 1 | | 97 | Ogata Masaki | 8p | Rin Kaiho | 9p | W+R | 168 | 1991-11-28 | Judan, 30th | Losers' Section, 3-3 | | 98 | Ogata Masaki | 8p | Rin Kaiho | 9p | W+R | 184 | 1993-07-05 | Judan, 32nd | Winners' Section, Quaterfinal - 3 | | 99 | Ogata Masaki | 9p | Rin Kaiho | 9p | B+R | 159 | 2005-04-21 | Tengen, 31st | 1/8 Final - 6 | | 100 | Rin Shien | 7p | Ogata Masaki | 9p | B+R | 169 | 2010-07-29 | Agon Cup, 17th | 2 |
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