| # |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
| 1 | Kobayashi Koichi | 9p | Yoda Norimoto | 9p | B+2.5 | 242 | 1999-07-25 | Gosei, 24th | Title match, game 3 | | 2 | Yoda Norimoto | 9p | Kobayashi Koichi | 9p | W+2 | 226 | 1999-07-29 | Kisei, 24th | Quaterfinal - 1 | | 3 | Yoda Norimoto | 9p | Kobayashi Koichi | 9p | B+0.5 | 300 | 1999-08-09 | Meijin, 24th | League Playoff | | 4 | Yoda Norimoto | 9p | Kobayashi Koichi | 9p | W+R | 198 | 1999-08-19 | Gosei, 24th | Title match, game 4 | | 5 | Kobayashi Koichi | 9p | Yoda Norimoto | 9p | B+1.5 | 276 | 1999-08-26 | Gosei, 24th | Title match, game 5 | | 6 | Kobayashi Koichi | 9p | Yoda Norimoto | 9p | W+1.5 | 263 | 2000-06-08 | Meijin, 25th | League, game 27 | | 7 | Yoda Norimoto | 9p | Kobayashi Koichi | 9p | W+0.5 | 258 | 2001-02-22 | Kakusei, 23rd | Final | | 8 | Kobayashi Koichi | 9p | Yoda Norimoto | 9p | W+R | 190 | 2002-02-18 | Kakusei, 24th | Final | | 9 | Yoda Norimoto | 9p | Kobayashi Koichi | 9p | B+6 | 264 | 2002-04-04 | Kisei, 27th | Preliminary | | 10 | Yoda Norimoto | 9p | Kobayashi Koichi | 9p | B+3 | 259 | 2002-05-23 | Oza, 50th | Quaterfinal - 3 | | 11 | Kobayashi Koichi | 9p | Yoda Norimoto | 9p | B+6.5 | 255 | 2003-06-29 | JAL Hayago Cup, 1st | 1 | | 12 | Yoda Norimoto | 9p | Kobayashi Koichi | 9p | B+10.5 | 178 | 2003-07-01 | Gosei, 28th | Title match, game 1 | | 13 | Kobayashi Koichi | 9p | Yoda Norimoto | 9p | W+8.5 | 341 | 2003-07-17 | Gosei, 28th | Title match, game 2 | | 14 | Yoda Norimoto | 9p | Kobayashi Koichi | 9p | W+4.5 | 209 | 2003-07-31 | Gosei, 28th | Title match, game 3 | | 15 | Kobayashi Koichi | 9p | Yoda Norimoto | 9p | B+0.5 | 247 | 2003-08-20 | Gosei, 28th | Title match, game 4 | | 16 | Kobayashi Koichi | 9p | Yoda Norimoto | 9p | W+3.5 | 221 | 2003-08-27 | Gosei, 28th | Title match, game 5 | | 17 | Kobayashi Koichi | 9p | Yoda Norimoto | 9p | W+6 | 246 | 2004-04-01 | Honinbo, 59th | League, game 26 | | 18 | Yoda Norimoto | 9p | Kobayashi Koichi | 9p | W+5.5 | 296 | 2004-10-02 | NEC Cup, 24th | Round 2 | | 19 | Yoda Norimoto | 9p | Kobayashi Koichi | 9p | B+4,5 | 260 | 2010-06-26 | Daiwa Cup, 06th | 1 | | 20 | Kobayashi Koichi | 9p | Yoda Norimoto | 9p | W+R | 242 | 2011-08-04 | Kisei, 36th | League | | 21 | Yokota Shigeaki | 9p | Kobayashi Koichi | 9p | B+0.5 | 256 | 1999-04-15 | Oza, 47th | Preliminaries, 3-6 | | 22 | Yokota Shigeaki | 9p | Kobayashi Koichi | 9p | W+R | 212 | 2002-11-10 | NHK Cup, 50th | Round 2 | | 23 | Yokota Shigeaki | 9p | Kobayashi Koichi | 9p | W+6.5 | 316 | 2005-12-01 | Gosei, 31st | 1 | | 24 | Kobayashi Koichi | 9p | Yoo Changhyuk | 6p | W+R | 174 | 1994-06-03 | Fujitsu Cup, 07th | Quaterfinal - 3 | | 25 | Yoo Changhyuk | 6p | Kobayashi Koichi | 9p | W+6.5 | 262 | 1995-07-01 | Fujitsu Cup, 08th | Semifinal - 2 | | 26 | Kobayashi Koichi | 9p | Yoo Changhyuk | 9p | W+15 | 221 | 2002-04-13 | Fujitsu Cup, 15th | 1 | | 27 | Kobayashi Koichi | 9p | Yu Bin | 9p | W+5 | 266 | 1997-05-12 | Asian TV Cup, 09th | Quaterfinal - 1 | | 28 | Kobayashi Koichi | 9p | Yu Bin | 9p | W+R | 216 | 2004-08-21 | World Oza Toyota & Denso Cup, 2nd | 1/16 Final - 02 | | 29 | Kobayashi Koichi | 9p | Yu Zhengqi | 3p | W+R | 182 | 2013-02-14 | Tengen, 39th | 1 | | 30 | Kobayashi Koichi | 9p | Yu Zhengqi | 7p | B+R | 213 | 2014-07-24 | Agon Cup, 21st | 1st round | | 31 | Yu Zhengqi | 7p | Kobayashi Koichi | 9p | B+0.5 | 275 | 2016-03-03 | Ryusei, 25th | block-C | | 32 | Yukawa Mitsuhisa | 8p | Kobayashi Koichi | 9p | W+R | 134 | 1992-05-07 | Tengen, 18th | 1-19 | | 33 | Kobayashi Koichi | 9p | Yuki Satoshi | 8p | W+0.5 | 256 | 1995-02-16 | Honinbo, 50th | League, game 19 | | 34 | Kobayashi Koichi | 9p | Yuki Satoshi | 8p | B+R | 125 | 1995-05-25 | Judan, 34th | 1-02 | | 35 | Yuki Satoshi | 9p | Kobayashi Koichi | 9p | B+7.5 | 283 | 1997-08-22 | Special Event | | | 36 | Kobayashi Koichi | 9p | Yuki Satoshi | 8p | B+R | 155 | 1997-09-04 | Kisei, 22nd | Quaterfinal - 3 | | 37 | Yuki Satoshi | 9p | Kobayashi Koichi | 9p | B+4,5 | 272 | 2000-08-16 | Honinbo, 56th | League Entrant Final 1 | | 38 | Yuki Satoshi | 9p | Kobayashi Koichi | 9p | W+R | 174 | 2002-03-07 | Oza, 50th | 1/8 Final - 2 | | 39 | Kobayashi Koichi | 9p | Yuki Satoshi | 9p | B+1 | 264 | 2002-07-03 | Gosei, 27th | Title match, game 1 | | 40 | Yuki Satoshi | 9p | Kobayashi Koichi | 9p | W+R | 144 | 2002-07-18 | Gosei, 27th | Title match, game 2 | | 41 | Kobayashi Koichi | 9p | Yuki Satoshi | 9p | W+3 | 251 | 2002-07-26 | Gosei, 27th | Title match, game 3 | | 42 | Yuki Satoshi | 9p | Kobayashi Koichi | 9p | W+R | 148 | 2002-08-21 | Gosei, 27th | Title match, game 4 | | 43 | Yuki Satoshi | 9p | Kobayashi Koichi | 9p | W+R | 148 | 2002-08-21 | | | | 44 | Kobayashi Koichi | 9p | Yuki Satoshi | 9p | W+7.5 | 301 | 2005-01-09 | NHK Cup, 52nd | Round 3 | | 45 | Yuki Satoshi | 9p | Kobayashi Koichi | 9p | B+1.5 | 281 | 2006-02-27 | Ryusei Cup, 15th | Block A, Game 11 | | 46 | Yuki Satoshi | 9p | Kobayashi Koichi | 9p | B+R | 247 | 2008-01-24 | Gosei, 33rd | Round 2 | | 47 | Yuki Satoshi | 9p | Kobayashi Koichi | 9p | B+R | 139 | 2008-07-03 | Agon Cup, 15th | tournament 1st round | | 48 | Yuki Satoshi | 9p | Kobayashi Koichi | 9p | B+0.5 | 281 | 2015-07-02 | Judan, 54th, last preliminary tournament | | | 49 | Kobayashi Koichi | 9p | Yun Hyunseok | 7p | B+R | 213 | 2002-11-25 | Nongshim Cup, 04th | game 07 | | 50 | Zhang Li | 4p | Kobayashi Koichi | 9p | B+2.5 | 237 | 2008-09-03 | Samsung Cup, 13th | 1/16 Final - 09 | | 51 | Kobayashi Koichi | 9p | Zhou Heyang | 7p | B+1.5 | 226 | 1997-07-05 | Fujitsu Cup, 10th | Semifinal - 1 | | 52 | Zhou Heyang | 7p | Kobayashi Koichi | 9p | B+R | 133 | 1999-06-21 | NEC Cup(China-Japan), 14th | game 02 | | 53 | Kobayashi Koichi | 9p | Zhou Heyang | 7p | W+5.5 | 271 | 1999-06-21 | NEC Cup(China-Japan), 14th | 1 | | 54 | Zhou Heyang | 9p | Kobayashi Koichi | 9p | W+R | 230 | 2003-11-14 | Nongshim Cup, 05th | 2-3 | | 55 | Kobayashi Koichi | 9p | Zhou Ruiyang | 6 dan | W+5.25 | 286 | 2013-12-21 | | | | 56 | Kobayashi Koichi & Kobayashi Izumi | 5p | Hashimoto Shoji & Konishi Kazuko | 7p | B+4,5 | 256 | 1996-01-28 | Ricoh Pair Go Cup, 01st | 5 |
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