# |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
1 | Kudo Norio | 9p | Kobayashi Koichi | 9p | B+29.5 | 230 | 2012-05-10 | Igo Masters Cup, 2nd | 2 | 2 | Lee Changho | 9p | Kobayashi Koichi | 9p | B+7.5 | 236 | 1996-07-06 | Fujitsu Cup, 09th | Semifinal - 1 | 3 | Liu Xiaoguang | 9p | Kobayashi Koichi | 9p | W+R | 138 | 1988-12-13 | China-Japan Meijin, 1988 | game 02 | 4 | Ma Xiaochun | 9p | Kobayashi Koichi | 9p | W+2.5 | 274 | 1989-12-14 | China-Japan Meijin, 1989 | game 01 | 5 | Ma Xiaochun | 9p | Kobayashi Koichi | 9p | W+R | 192 | 1990-12-18 | China-Japan Meijin, 1990 | game 02 | 6 | Ma Xiaochun | 9p | Kobayashi Koichi | 9p | W+1 | 240 | 1991-12-12 | China-Japan Meijin, 4th | 2 | 7 | Ma Xiaochun | 9p | Kobayashi Koichi | 9p | W+R | 190 | 1992-12-17 | China-Japan Meijin, 1992 | 2 | 8 | Ma Xiaochun | 9p | Kobayashi Koichi | 9p | B+1.5 | 256 | 1993-12-14 | China-Japan Meijin, 1993 | game 01 | 9 | Ma Xiaochun | 9p | Kobayashi Koichi | 9p | W+6.5 | 314 | 1993-12-17 | China-Japan Meijin, 1993 | game 03 | 10 | Ma Xiaochun | 9p | Kobayashi Koichi | 9p | B+R | 181 | 1994-12-10 | China-Japan Meijin, 7th | 1 | 11 | Ma Xiaochun | 9p | Kobayashi Koichi | 9p | B+7.5 | 298 | 1995-08-05 | Fujitsu Cup, 08th | Final | 12 | Ma Xiaochun | 9p | Kobayashi Koichi | 9p | W+R | 238 | 2000-01-12 | Kiriyama Cup, Japan-China Match, 1st | Final | 13 | Mimura Tomoyasu | 9p | Kobayashi Koichi | 9p | B+1 | 231 | 2004-01-08 | Honinbo, 59th | League, game 14 | 14 | Mimura Tomoyasu | 9p | Kobayashi Koichi | 9p | W+R | 170 | 2015-06-11 | | | 15 | Miyazawa Goro | 9p | Kobayashi Koichi | 9p | W+R | 150 | 2009-12-17 | | | 16 | Morita Michihiro | 9p | Kobayashi Koichi | 9p | B+3.5 | 219 | 2007-07-12 | Oza, 55th | Preliminaries | 17 | Morita Michihiro | 9p | Kobayashi Koichi | 9p | B+5.5 | 260 | 2011-10-13 | Gosei, 37th, preliminary tournament | Final | 18 | Nakano Hironari | 9p | Kobayashi Koichi | 9p | W+6.5 | 262 | 2000-03-09 | Judan, 38th | Title match, game 1 | 19 | Nakano Hironari | 9p | Kobayashi Koichi | 9p | W+R | 248 | 2000-04-05 | Judan, 38th | Title match, game 3 | 20 | Nakano Hironari | 9p | Kobayashi Koichi | 9p | W+6.5 | 247 | 2002-06-03 | Ryusei Cup, 11th | Quaterfinal - 2 | 21 | Nakano Hironari | 9p | Kobayashi Koichi | 9p | W+R | 166 | 2003-02-20 | Tengen, 29th | 1/16 Final - 15 | 22 | Nakaonoda Tomomi | 9p | Kobayashi Koichi | 9p | W+3.5 | 267 | 2003-08-17 | NHK Cup, 51st | 2 | 23 | Nie Weiping | 9p | Kobayashi Koichi | 9p | B+2.5 | 272 | 1985-08-27 | Japan-China Super Go, 1st | game 13 | 24 | Nie Weiping | 9p | Kobayashi Koichi | 9p | B+1.5 | 264 | 1988-07-02 | Fujitsu Cup, 01st | Playoff 3rd-4th | 25 | Nie Weiping | 9p | Kobayashi Koichi | 9p | W+1.5 | 270 | 2005-05-30 | Japan-China Competition at 2005 EXPO | 1 | 26 | O Meien | 9p | Kobayashi Koichi | 9p | B+2.5 | 238 | 1986-01-09 | Honinbo, 41st | League, game 12 | 27 | O Meien | 9p | Kobayashi Koichi | 9p | W+0.5 | 248 | 1994-08-04 | Tengen, 20th | Quaterfinal - 1 | 28 | O Meien | 9p | Kobayashi Koichi | 9p | B+6.5 | 219 | 1996-08-01 | Meijin, 21st | League, game 34 | 29 | O Meien | 9p | Kobayashi Koichi | 9p | W+2.5 | 233 | 2000-01-06 | Meijin, 25th | League, game 07 | 30 | O Meien | 9p | Kobayashi Koichi | 9p | B+R | 181 | 2001-08-25 | NEC Cup, 21st | 1 | 31 | O Meien | 9p | Kobayashi Koichi | 9p | B+1.5 | 271 | 2008-11-20 | Tengen, 35th | preliminary tournament A final | 32 | O Meien | 9p | Kobayashi Koichi | 9p | W+R | 130 | 2010-03-04 | Ryusei, 19th | block-F | 33 | O Meien | 9p | Kobayashi Koichi | 9p | B+5.5 | 256 | 2010-11-11 | Tengen, 37th, preliminary tournament A | Final | 34 | O Meien | 9p | Kobayashi Koichi | 9p | W+0.5 | 251 | 2011-01-20 | Kisei, 36th, last preliminary tournament | | 35 | O Meien | 9p | Kobayashi Koichi | 9p | W+R | 194 | 2014-03-20 | Igo Masters Cup, 4th | 1 | 36 | O Meien | 9p | Kobayashi Koichi | 9p | W+R | 216 | 2014-09-04 | Judan, 53rd, last preliminary tournament | Final | 37 | O Rissei | 9p | Kobayashi Koichi | 9p | W+1.5 | 288 | 1993-11-18 | Judan, 32nd | Winners' Section, Final | 38 | O Rissei | 9p | Kobayashi Koichi | 9p | B+R | 219 | 1994-01-01 | Professional Pair Go Tournament | 1 | 39 | O Rissei | 9p | Kobayashi Koichi | 9p | B+4,5 | 242 | 1995-01-12 | Honinbo, 50th | League, game 13 | 40 | O Rissei | 9p | Kobayashi Koichi | 9p | B+12.5 | 277 | 1995-11-03 | NEC Cup, 15th | Quaterfinal - 3 | 41 | O Rissei | 9p | Kobayashi Koichi | 9p | W+R | 128 | 1996-06-20 | Tengen, 22nd | 1/8 Final - 7 | 42 | O Rissei | 9p | Kobayashi Koichi | 9p | W+R | 246 | 1996-09-05 | Judan, 35th | Winners' Section, Quaterfinal - 4 | 43 | O Rissei | 9p | Kobayashi Koichi | 9p | B+7.5 | 233 | 1997-03-16 | NHK Cup, 44th | Final | 44 | O Rissei | 9p | Kobayashi Koichi | 9p | W+4.5 | 264 | 1997-08-02 | Fujitsu Cup, 10th | Final | 45 | O Rissei | 9p | Kobayashi Koichi | 9p | W+R | 184 | 1999-03-06 | NEC Cup, 18th | Final | 46 | O Rissei | 9p | Kobayashi Koichi | 9p | B+R | 257 | 2000-01-31 | Kakusei, 22nd | Semifinal - 1 | 47 | O Rissei | 9p | Kobayashi Koichi | 9p | W+2.5 | 236 | 2001-03-03 | Judan, 39th | Title match, game 1 | 48 | O Rissei | 9p | Kobayashi Koichi | 9p | W+5.5 | 245 | 2001-04-05 | Judan, 39th | Title match, game 3 | 49 | O Rissei | 9p | Kobayashi Koichi | 9p | B+R | 177 | 2001-04-26 | Judan, 39th | Title match, game 5 | 50 | O Rissei | 9p | Kobayashi Koichi | 9p | B+2.5 | 254 | 2004-03-18 | Honinbo, 59th | League, game 24 | 51 | O Rissei | 9p | Kobayashi Koichi | 9p | W+2.5 | 287 | 2007-10-18 | Tengen, 34th, primary tournament A | Final | 52 | O Rissei | 9p | Kobayashi Koichi | 9p | W+0.5 | 252 | 2012-03-15 | Igo Masters Cup, 2nd | 1 | 53 | O Rissei | 9p | Kobayashi Koichi | 9p | W+0.5 | 273 | 2013-03-14 | Igo Masters Cup, 3rd | 1 | 54 | O Rissei | 9p | Kobayashi Koichi | 9p | B+10.5 | 267 | 2014-01-09 | Tengen, 40th, preliminary tournament A | Final | 55 | O Rissei | 9p | Kobayashi Koichi | 9p | W+0.5 | 300 | 2016-04-07 | Igo Masters Cup, 6th | 1st round | 56 | Obuchi Morito | 9p | Kobayashi Koichi | 9p | B+3.5 | 237 | 2008-02-28 | | | 57 | Obuchi Morito | 9p | Kobayashi Koichi | 9p | W+R | 196 | 2012-10-04 | | | 58 | Ogaki Yusaku | 9p | Kobayashi Koichi | 9p | W+7.5 | 287 | 2009-04-30 | Honinbo, 65th, last preliminary tournament | | 59 | Ohira Shuzo | 9p | Kobayashi Koichi | 9p | B+R | 155 | 1987-12-03 | Meijin, 13th | League, game 01 | 60 | Ohira Shuzo | 9p | Kobayashi Koichi | 9p | W+R | 190 | 1988-09-06 | Judan, 27th | 1-07 | 61 | Ota Seidou | 9p | Kobayashi Koichi | 9p | W+R | 146 | 1988-04-14 | Gosei, 13th | Round 3-3 | 62 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+2 | 232 | 1982-01-21 | Meijin, 07th | League, game 08 | 63 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+R | 111 | 1982-10-21 | Judan, 21st | Winners' Section, Semifinal - 2 | 64 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+R | 125 | 1983-01-20 | Meijin, 08th | 7 | 65 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+R | 140 | 1984-02-02 | Meijin, 09th | League, game 09 | 66 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+R | 135 | 1984-08-23 | Meijin, 09th | Challengers' playoff | 67 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+R | 180 | 1985-03-06 | Judan, 23rd | Title match, game 1 | 68 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+R | 208 | 1985-04-04 | Judan, 23rd | Title match, game 3 | 69 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+2.5 | 239 | 1985-06-13 | Meijin, 10th | League, game 26 | 70 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+R | 156 | 1986-11-05 | Honinbo, 42nd | League, game 08 | 71 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+R | 221 | 1990-01-31 | Kisei, 14th | Title match, game 2 | 72 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+R | 216 | 1990-02-22 | Kisei, 14th | Title match, game 4 | 73 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+R | 170 | 1990-09-13 | Meijin, 15th | Title match, game 1 | 74 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+7.5 | 244 | 1990-10-04 | Meijin, 15th | Title match, game 3 | 75 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+R | 158 | 1990-10-26 | Meijin, 15th | Title match, game 5 | 76 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+0.5 | 259 | 1992-09-25 | Meijin, 17th | Title match, game 2 | 77 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+R | 179 | 1992-10-15 | Meijin, 17th | Title match, game 4 | 78 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+3.5 | 272 | 1992-11-05 | Meijin, 17th | Title match, game 3 | 79 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+1.5 | 265 | 1992-11-12 | Meijin, 17th | Title match, game 7 | 80 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+1.5 | 256 | 1993-09-02 | Meijin, 18th | Title match, game 1 | 81 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+6.5 | 299 | 1993-09-30 | Meijin, 18th | Title match, game 3 | 82 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+R | 202 | 1993-10-21 | Meijin, 18th | Title match, game 5 | 83 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+R | 164 | 1993-11-24 | Kakusei, 16th | Semifinal - 1 | 84 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+R | 192 | 1994-03-03 | Judan, 32nd | Title match, game 1 | 85 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+1.5 | 218 | 1994-04-07 | Judan, 32nd | Title match, game 3 | 86 | Otake Hideo | 9p | Kobayashi Koichi | 9p | B+0.5 | 270 | 1994-04-21 | Judan, 32nd | Title match, game 4 | 87 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+0.5 | 198 | 1996-07-11 | Judan, 35th | 1-06 | 88 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+1.5 | 253 | 1996-08-21 | Oza, 44th | Semifinal - 1 | 89 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+3.5 | 154 | 1997-01-01 | Tokyo Cup, 30th | 2-3 | 90 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+9.5 | 272 | 1999-05-03 | Gosei, 24th | Semifinal - 2 | 91 | Otake Hideo | 9p | Kobayashi Koichi | 9p | W+2.5 | 259 | 2016-04-28 | Igo Masters Cup, 6th | 2nd round | 92 | Oyama Kunio | 9p | Kobayashi Koichi | 9p | W+R | 150 | 1990-06-28 | Judan, 29th | Losers' Section, 1-3 | 93 | Qian Yuping | 9p | Kobayashi Koichi | 9p | B+R | 183 | 1991-07-06 | Fujitsu Cup, 04th | Semifinal - 2 | 94 | Redmond, Michael | 9p | Kobayashi Koichi | 9p | B+3.5 | 258 | 2014-02-27 | Ryusei, 23rd | block-A | 95 | Rin Kaiho | 9p | Kobayashi Koichi | 9p | B+R | 217 | 1979-08-09 | Kisei, 04th | Strongest player quarterfinal - 4 | 96 | Rin Kaiho | 9p | Kobayashi Koichi | 9p | B+5.5 | 286 | 1981-01-08 | Meijin, 06th | League | 97 | Rin Kaiho | 9p | Kobayashi Koichi | 9p | B+R | 205 | 1981-11-12 | Kisei, 06th | 1 | 98 | Rin Kaiho | 9p | Kobayashi Koichi | 9p | W+0.5 | 236 | 1982-04-08 | Honinbo, 37th | Challengers' playoff | 99 | Rin Kaiho | 9p | Kobayashi Koichi | 9p | B+0.5 | 234 | 1983-05-02 | Honinbo, 38th | League Playoff | 100 | Rin Kaiho | 9p | Kobayashi Koichi | 9p | W+1.5 | 262 | 1985-09-22 | Tengen, 11th | Semifinal - 2 |
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