| # |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
| 1 | kouga [IGS] | 2d* | KoReibun [IGS] | 1p ? | W+Time | 81 | 1999-05-16 | | | | 2 | kouga [IGS] | 2d* | KoReibun [IGS] | 1p ? | W+Time | 41 | 1999-05-16 | | | | 3 | dodola [IGS] | 8d* | kouken [IGS] | 8d* | W+R | 168 | 2004-10-22 | | | | 4 | labyrinth [IGS] | 8d* | kouken [IGS] | 9d* | W+R | 186 | 2004-10-25 | | | | 5 | kouken* [IGS] | 8d* | bee* [IGS] | 8d* | B+R | 186 | 2005-04-18 | | | | 6 | qman* [IGS] | 8 dan | kouken* [IGS] | 8 dan | W+R | 219 | 2005-03-23 | | | | 7 | kouya [IGS] | 3k | AIshida [IGS] | 9p | B+R | 178 | 2007-09-30 | | | | 8 | Harada Minoru | 7d? | Koya Hideki | 7d? | B+0.5 | 274 | 1997-08-24 | ,43rd | Final | | 9 | Koyama Hideo | 5p | Aoki Kikuyo | 7p | W+R | 78 | 2000-09-21 | Oteai, 2000 | game 02 | | 10 | Koyama Hideo | 2p | Chan Ka Yui | 6p | W+R | 214 | 1990-09-10 | Ryusei Cup, 01st | Block C, Game 06 | | 11 | Ito Yoji | 2p | Koyama Hideo | 2p | B+0.5 | 251 | 1976-12-22 | Kisei, 02nd | Meidan, Final 2 dan | | 12 | Kanda Ei | 3p | Koyama Hideo | 3p | B+R | 219 | 1979-02-02 | Kisei, 04th | Final 3 dan | | 13 | Kitano Ryo | 5p | Koyama Hideo | 5p | B+R | 127 | 1998-09-07 | Ryusei Cup, 08th | Block D, Game 04 | | 14 | Koyama Hideo | 1p ? | Kobayashi Chizu | 2p | W+R | 174 | 1974-05-01 | Oteai, 1974 | | | 15 | Koyama Hideo | 1p ? | Kobayashi Satoru | 2p | W+R | 194 | 1975-06-11 | Oteai, 1975 | | | 16 | Koyama Hideo | 5p | Matsubara Taisei | 5p | W+R | 182 | 1992-08-24 | Ryusei Cup, 03rd | Block D, Game 03 | | 17 | Nobuta Shigehito | 1p ? | Koyama Hideo | 1p ? | B+R | 241 | 1975-04-16 | Oteai, 1975 | | | 18 | Koyama Hideo | 5p | Ogawa Tomoko | 5p | W+7 | 200 | 1995-05-24 | Oteai, 1995 | | | 19 | Redmond, Michael | 2p | Koyama Hideo | 4p | B+R | 141 | 1982-09-29 | Oteai, 1982 | | | 20 | Koyama Hideo | 1p ? | Sonoda Yasutaka | 1p ? | W+R | 168 | 1976-01-09 | Oteai, 1976 | | | 21 | Takanashi Seiken | 2p | Koyama Hideo | 5p | B+R | 131 | 1990-08-27 | Ryusei Cup, 01st | Block C, Game 05 | | 22 | Koyama Hideo | 4p | Tei Meiko | 4p | W+R | 188 | 1984-06-20 | Oteai, 1984 | League | | 23 | Koyama Hideo | 1p ? | Yamamoto Masato | 2p | W+R | 216 | 1974-05-15 | Oteai, 1974 | | | 24 | Chen Qirui | 2p | Koyama Kuya | 2p | B+R | 257 | 2014-10-02 | Asian New Star Match, 15th | 2nd round | | 25 | Koyama Kuya | 2p | Kim Jinhwi | 2p | W+3.5 | 250 | 2014-10-03 | Asian New Star Match, 15th | 3rd round | | 26 | Koyama Kuya | 1p ? | Ko Iso | 8p | W+R | 162 | 2014-09-18 | Meijin, 40th, last preliminary tournament | | | 27 | Murakawa Daisuke | 8p | Koyama Kuya | 3p | B+R | 167 | 2016-06-27 | Agon Cup, 23rd | 1st round | | 28 | Takeuchi Kousuke | 2p | Koyama Kuya | 1p ? | B+R | 221 | 2014-12-04 | Tengen, 41st | | | 29 | Xia Jiankun | 4p | Koyama Kuya | 2p | B+4.5 | 248 | 2014-10-01 | Asian New Star Match, 15th | 1st round | | 30 | Koyama Mitsuru | 6p | 三村芳織 | 3p | B+R | 177 | 2016-01-28 | | | | 31 | 石井茜 | 1p ? | Koyama Mitsuru | 6p | B+R | 159 | 2010-06-24 | | | | 32 | Koyama Mitsuru | 6p | 石井茜 | 3p | B+12.5 | 237 | 2013-04-11 | | | | 33 | Koyama Mitsuru | 6p | 向井千瑛 | 4p | W+R | 194 | 2010-07-22 | | | | 34 | Koyama Mitsuru | 6p | 向井千瑛 | 4p | W+R | 88 | 2011-05-26 | | | | 35 | Koyama Mitsuru | 6p | 向井稍惠 | 1p ? | B+4,5 | 257 | 2010-01-21 | | | | 36 | Koyama Mitsuru | 5p | 向井芳织 | 2p | W+R | 254 | 2009-05-14 | | | | 37 | Koyama Mitsuru | 5p | 小松英子 | 3p | B+2.5 | 258 | 2009-03-23 | | | | 38 | Koyama Mitsuru | 6p | 奥田 彩 | 3p | W+3.5 | 254 | 2015-06-04 | | | | 39 | Koyama Mitsuru | 6p | 奥田彩 | 2p | W+2.5 | 259 | 2010-08-26 | | | | 40 | 张学慧 | 5 dan | Koyama Mitsuru | 5p | W+R | 200 | 2008-10-14 | | | | 41 | 赵 治勋 | 9p | Koyama Mitsuru | 6p | B+R | 143 | 2015-07-23 | | | | 42 | Koyama Mitsuru | 6p | 中村小百合 | 2p | W+2.5 | 273 | 2016-04-07 | | | | 43 | 佃亚纪子 | 5p | Koyama Mitsuru | 6p | B+5.5 | 258 | 2013-10-07 | | | | 44 | 菲普斯 | | Koyama Mitsuru | 5p | W+R | 172 | 2008-10-14 | | | | 45 | 吉蕾尔玛 | | Koyama Mitsuru | 5p | W+R | 120 | 2008-10-11 | | | | 46 | Koyama Mitsuru | 6p | 井泽秋乃 | 4p | B+R | 159 | 2010-05-06 | | | | 47 | Koyama Mitsuru | 5p | 卢珍娥 | 5 dan | B+2.5 | 280 | 2008-10-12 | | | | 48 | Koyama Mitsuru | 5p | Aoki Kikuyo | 8p | B+R | 177 | 2005-01-19 | Women's Meijin, 17th | Challengers' playoff | | 49 | Aoki Kikuyo | 8p | Koyama Mitsuru | 5p | B+0.5 | 291 | 2006-02-09 | Women's Meijin, 18th | Title match, game 1 | | 50 | Koyama Mitsuru | 5p | Aoki Kikuyo | 8p | W+R | 190 | 2009-04-16 | | | | 51 | Catalin Taranu | 5p | Koyama Mitsuru | 5p | B+R | 147 | 2002-01-11 | Kisei, 27th | Preliminary tournament | | 52 | Koyama Mitsuru | 5p | Chinen Kaori | 3p | W+3.5 | 241 | 1999-12-03 | Women's Kisei (Dokomo Cup), 03rd | Semifinal - 1 | | 53 | Koyama Mitsuru | 5p | Chinen Kaori | 3p | W+R | 116 | 1999-12-11 | Ricoh Pair Go Cup, 05th | 3 | | 54 | Koyama Mitsuru | 6p | Chinen Kaori | 4p | B+R | 157 | 2010-06-28 | | | | 55 | Koyama Mitsuru | 6p | Chinen Kaori | 4p | W+R | 164 | 2015-06-18 | | | | 56 | Koyama Mitsuru | 5p | Han Zenki | 7p | W+7.5 | 274 | 2006-07-09 | NHK Cup, 54th | 1 | | 57 | Koyama Mitsuru | 5p | Inori Yoko | 5p ? | B+R | 157 | 2001-09-22 | Women's Kisei (Dokomo Cup), 05th | 1/8 Final - 2 | | 58 | Ishida Yoshio | 9p | Koyama Mitsuru | 5p | W+1.5 | 242 | 2008-01-17 | | | | 59 | Jin Xue Xiang | 5 dan | Koyama Mitsuru | 5p | W+2.5 | 297 | 2008-10-15 | | | | 60 | Kato Keiko | 6p | Koyama Mitsuru | 6p | B+R | 139 | 2012-08-02 | | | | 61 | Kobayashi Chizu | 5p | Koyama Mitsuru | 5p | W+3.5 | 296 | 2001-11-09 | Women's Kisei (Dokomo Cup), 05th | Quaterfinal - 1 | | 62 | Koyama Mitsuru | 5p | Kobayashi Izumi | 4p | B+R | 122 | 1999-12-11 | Ricoh Pair Go Cup, 05th | 1 | | 63 | Kobayashi Izumi | 4p | Koyama Mitsuru | 5p | B+8,5 | 247 | 1999-12-20 | Women's Meijin, 12th | Losers' Section, Final | | 64 | Koyama Mitsuru | 5p | Kobayashi Izumi | 6p | W+R | 226 | 2005-02-24 | Women's Meijin, 17th | Title match, game 1 | | 65 | Kobayashi Izumi | 6p | Koyama Mitsuru | 5p | W+13.5 | 261 | 2005-03-02 | Women's Meijin, 17th | Title match, game 2 | | 66 | Kobayashi Izumi | 6p | Koyama Mitsuru | 5p | W+R | 160 | 2005-03-09 | Women's Meijin, 17th | Title match, game 3 | | 67 | Koyama Mitsuru | 5p | Komatsu Hideko | 3p | W+2 | 293 | 1999-11-03 | Women's Meijin, 12th | Winners' Section, Final | | 68 | Kudo Norio | 9p | Koyama Mitsuru | 6p | B+R | 223 | 2009-11-12 | | | | 69 | Koyama Mitsuru | 5p | Kweon Hyo-chin | 5p | B+R | 221 | 2008-10-11 | | | | 70 | Koyama Mitsuru | 5p | Lee Jihyeon | 1p ? | B+R | 199 | 1998-11-12 | Bohae Cup, 5th | 1/8 Final - 5 | | 71 | Koyama Mitsuru | 6p | Mannami Kana | 4p | B+R | 203 | 2014-02-13 | | | | 72 | Mannami Nao | 2p | Koyama Mitsuru | 6p | B+1.5 | 295 | 2010-11-04 | | | | 73 | Koyama Mitsuru | 5p | Ogawa Tomoko | 6p | B+R | 223 | 1999-12-11 | Ricoh Pair Go Cup, 05th | 2 | | 74 | Ogawa Tomoko | 6p | Koyama Mitsuru | 5p | B+3.5 | 265 | 2001-12-21 | Women's Kisei (Dokomo Cup), 05th | Challengers' Final | | 75 | Koyama Mitsuru | 5p | Okada Yumiko | 4p | B+R | 171 | 1999-09-17 | Women's Kisei (Dokomo Cup), 03th | 1/8 Final - 1 | | 76 | Koyama Mitsuru | 6p | Osawa Narumi | 4p | B+2.5 | 285 | 2010-04-29 | | | | 77 | Koyama Mitsuru | 6p | Osawa Narumi | 4p | B+7.5 | 238 | 2011-01-20 | | | | 78 | Rin Kaiho | 9p | Koyama Mitsuru | 6p | B+0.5 | 253 | 2010-03-18 | | | | 79 | Koyama Mitsuru | 6p | Ryu Shikun | 9p | B+R | 157 | 2016-08-18 | | | | 80 | Koyama Mitsuru | 6p | Shinkai Hiroko | 5p | B+R | 157 | 2017-01-19 | | | | 81 | Suzuki Ayumi | 5p | Koyama Mitsuru | 6p | B+5.5 | 226 | 2010-10-07 | | | | 82 | Tsukuda Akiko | 4p | Koyama Mitsuru | 5p | W+R | 198 | 2001-12-05 | Women's Kisei (Dokomo Cup), 05th | Semifinal - 1 | | 83 | Koyama Mitsuru | 6p | Umezawa Yukari | 5p | B+R | 181 | 2010-09-09 | | | | 84 | Koyama Mitsuru | 5p | Wang Xiangyun | 1p ? | W+4.5 | 291 | 2008-10-15 | World Mind Sports Games, 1st, (Team Women) | | | 85 | Yashiro Kumiko | 5p | Koyama Mitsuru | 5p | W+R | 186 | 2008-04-17 | Women's Honinbo, 27th | Round 1 | | 86 | Koyama Mitsuru | 5p | Yashiro Kumiko | 5p | B+R | 199 | 2009-01-15 | | | | 87 | Yashiro Kumiko | 5p | Koyama Mitsuru | 6p | B+R | 225 | 2011-07-07 | | | | 88 | Yun Yeongseon | 2p | Koyama Mitsuru | 5p | W+0.5 | 228 | 1999-09-30 | Hungchang Cup, 1st | 1-03 | | 89 | Koyama Ryugo | 2p | Arimura Hiroshi | 2p | W+2 | 217 | 1990-06-06 | Oteai, 1990 | 14 | | 90 | Cho U | 6p | Koyama Ryugo | 5p | B+R | 107 | 2000-09-04 | Ryusei Cup, 10th | Block B, Game 04 | | 91 | Koyama Ryugo | 3p | Ishida Atsushi | 5p | B+R | 185 | 1992-06-29 | Ryusei Cup, 03rd | Block A, Game 01 | | 92 | Kanazawa Hideo | 4p | Koyama Ryugo | 5p | W+R | 192 | 2000-09-04 | Ryusei Cup, 10th | Block B, Game 03 | | 93 | Kawai Tetsuyuki | 5p | Koyama Ryugo | 3p | W+R | 148 | 1992-08-17 | Ryusei Cup, 03rd | Block A, Game 03 | | 94 | Matsubara Taisei | 5p | Koyama Ryugo | 5p | W+R | 170 | 1999-08-03 | Ryusei Cup, 09th | Block B, Game 02 | | 95 | Miyazaki Shimako | 7p? | Koyama Ryugo | 2p | B+R | 249 | 1989-05-01 | Kisei, 14th | Promis, Round 1 | | 96 | Miyazaki Shimako | 2p | Koyama Ryugo | 3p | W+3 | 295 | 1993-05-12 | Oteai, 1993 | game 11 | | 97 | Koyama Ryugo | 3p | Nakano Hironari | 7p | W+4.5 | 271 | 1992-09-07 | Ryusei Cup, 03rd | Block A, Game 04 | | 98 | Koyama Ryugo | 3p | Sasaki Tadashi | 5p | B+0.5 | 231 | 1992-07-27 | Ryusei Cup, 03rd | Block A, Game 02 | | 99 | Koyama Ryugo | 5p | Takao Shinji | 5p | W+R | 176 | 1997-09-09 | Ryusei Cup, 07th | Block A, Game 04 | | 100 | Takao Shinji | 6p | Koyama Ryugo | 5p | B+R | 157 | 1999-08-24 | Ryusei Cup, 09th | Block B, Game 03 |
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