| # |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
| 1 | Awaji Shuzo | 9p | Kobayashi Koichi | 9p | W+8.5 | 288 | 1999-07-22 | Haya Go Open | 1-07 | | 2 | Awaji Shuzo | 9p | Kobayashi Koichi | 9p | B+1.5 | 277 | 2013-12-18 | | | | 3 | Awaji Shuzo | 9p | Kobayashi Koichi | 9p | W+R | 174 | 2016-07-09 | Igo Masters Cup, 6th | Final | | 4 | Kobayashi Koichi | 9p | Cao Dayuan | 8p | B+6.5 | 242 | 1985-07-17 | Japan-China Super Go, 1st | game 10 | | 5 | Cao Dayuan | 9p | Kobayashi Koichi | 9p | W+0.5 | 254 | 1995-06-03 | Fujitsu Cup, 08th | Quaterfinal - 1 | | 6 | Kobayashi Koichi | 9p | ceonjeongswin [~] | 2p | W+0.5 | 249 | 2016-06-28 | | | | 7 | Kobayashi Koichi | 9p | ceonseuwian [~] | 9p | W+1.5 | 225 | 2015-12-18 | | | | 8 | Chang Hao | 7p | Kobayashi Koichi | 9p | W+4 | 267 | 1996-05-31 | Fujitsu Cup, 09th | Quaterfinal - 2 | | 9 | Kobayashi Koichi | 9p | Chang Hao | 8p | B+1.5 | 272 | 1997-06-07 | Fujitsu Cup, 10th | Quaterfinal - 3 | | 10 | Chang Hao | 8p | Kobayashi Koichi | 9p | B+5.5 | 269 | 1998-04-13 | Fujitsu Cup, 11th | 2-1 | | 11 | Chang Hao | 8p | Kobayashi Koichi | 9p | B+R | 237 | 1999-05-07 | China-Japan Tengen, 12th | game 01 | | 12 | Kobayashi Koichi | 9p | Chang Hao | 8p | B+0.5 | 296 | 1999-05-09 | China-Japan Tengen, 12th | game 02 | | 13 | Kobayashi Koichi | 9p | Chang Hao | 8p | W+4.5 | 231 | 1999-05-11 | China-Japan Tengen, 12th | game 03 | | 14 | Kobayashi Koichi | 9p | Chang Hao | 9p | B+R | 203 | 2000-05-10 | Tengen, China-Japan, 13th | game 01 | | 15 | Chang Hao | 9p | Kobayashi Koichi | 9p | B+R | 151 | 2000-05-12 | Tengen, China-Japan, 13th | game 02 | | 16 | Kobayashi Koichi | 9p | Chang Hao | 9p | B+R | 169 | 2000-05-13 | Tengen, China-Japan, 13th | game 03 | | 17 | Kobayashi Koichi | 9p | Chang Hao | 9p | B+4,5 | 266 | 2001-04-16 | Fujitsu Cup, 14th | 2-3 | | 18 | Che Zewu | 7p | Kobayashi Koichi | 9p | B+2.5 | 259 | 1992-04-06 | Fujitsu Cup, 05th | 1/8 Final - 6 | | 19 | Kobayashi Koichi | 9p | Chen Linxin | 8p | B+4,5 | 230 | 1991-04-08 | Fujitsu Cup, 04th | Round 2 | | 20 | Kobayashi Koichi | 6p | Chen Zude | 5p ? | W+1.5 | 212 | 1974-04-09 | China-Japan Go Exchange, 1974 | | | 21 | Chin Kaei | 5p | Kobayashi Koichi | 9p | W+R | 282 | 1988-04-21 | Judan, 27th | Qualification-3 | | 22 | Kobayashi Koichi | 9p | Chin Kaei | 7p | B+R | 217 | 1992-04-09 | Honinbo, 47th | League, game 25 | | 23 | Kobayashi Koichi | 9p | Chin Kaei | 7p | B+R | 139 | 1992-12-09 | Honinbo, 48th | League, game 09 | | 24 | Chin Kaei | 8p | Kobayashi Koichi | 9p | W+R | 188 | 1995-09-25 | Tengen, 21st | Semifinal - 2 | | 25 | Chino Tadahiko | 7p | Kobayashi Koichi | 5p | W+R | 146 | 1971-08-26 | Prime Minister's Cup, 15th | Preliminaries | | 26 | Kobayashi Koichi | 5p | Chino Tadahiko | 7p | B+R | 225 | 1972-03-09 | Prime Minister's Cup, 16th | Preliminaries | | 27 | Kobayashi Koichi | 7p | Chino Tadahiko | 8p | B+R | 167 | 1975-01-30 | Prime Minister's Cup, 19th | Preliminaries | | 28 | Kobayashi Koichi | 9p | Chino Tadahiko | 9p | B+R | 117 | 1988-05-05 | Gosei, 13th | Semifinal - 1 | | 29 | Kobayashi Koichi | 1pk | Cho Chikun | 3pk | B+14.5 | 111 | 1966-05-15 | Insei Competition 1966 | | | 30 | Cho Chikun | 1p ? | Kobayashi Koichi | 2p | W+10.5 | 166 | 1968-08-14 | Nihon Ki-in Championship, 17th | Preliminary, 1st | | 31 | Cho Chikun | 5p | Kobayashi Koichi | 6p | W+R | 164 | 1972-06-20 | Honinbo, 28th | 2nd Preliminary | | 32 | Cho Chikun | 5p | Kobayashi Koichi | 6p | W+R | 178 | 1972-07-24 | Shin'ei, 04th | Final | | 33 | Kobayashi Koichi | 6p | Cho Chikun | 5p | B+R | 227 | 1972-11-01 | Prime Minister's Cup, 16th | Final | | 34 | Kobayashi Koichi | 6p | Cho Chikun | 5p | W+1.5 | 212 | 1973-08-26 | Nihon Ki-in Championship, 21st | 1 | | 35 | Cho Chikun | 6p | Kobayashi Koichi | 6p | B+4,5 | 261 | 1974-08-19 | Shin'ei, 06th | Final, game 1 | | 36 | Kobayashi Koichi | 7p | Cho Chikun | 6p | B+R | 217 | 1975-05-15 | Prime Minister's Cup, 19th | Round 3 | | 37 | Cho Chikun | 7p | Kobayashi Koichi | 7p | W+R | 116 | 1976-02-19 | Gosei, 01st | League, game 06 | | 38 | Cho Chikun | 7p | Kobayashi Koichi | 7p | W+2.5 | 219 | 1976-09-09 | Prime Minister's Cup, 20th | Semifinal - 1 | | 39 | Cho Chikun | 7p | Kobayashi Koichi | 8p | W+R | 130 | 1977-07-12 | Shinjin-O, 02nd | Title match, game 1 | | 40 | Kobayashi Koichi | 8p | Cho Chikun | 7p | B+R | 151 | 1977-07-20 | Shinjin-O, 02nd | Title match, game 2 | | 41 | Cho Chikun | 7p | Kobayashi Koichi | 8p | B+0.5 | 268 | 1977-09-01 | Three-game Rivals Match sponsored by Kido | 1 | | 42 | Kobayashi Koichi | 7p | Cho Chikun | 7p | B+R | 113 | 1977-10-01 | Three-game Rivals Match sponsored by Kido | 2 | | 43 | Cho Chikun | 7p | Kobayashi Koichi | 8p | B+0.5 | 235 | 1977-11-01 | Three-game Rivals Match sponsored by Kido | 3 | | 44 | Cho Chikun | 8p | Kobayashi Koichi | 9p | W+2.5 | 275 | 1979-08-25 | JAA Cup, 2nd | 1 | | 45 | Cho Chikun | 8p | Kobayashi Koichi | 9p | B+R | 215 | 1980-02-28 | Honinbo, 35th | League, game 13 | | 46 | Cho Chikun | 8p | Kobayashi Koichi | 9p | W+R | 208 | 1980-03-06 | Meijin, 05th | League, game 12 | | 47 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+0.5 | 221 | 1981-10-19 | Kisei, 06th | Challengers' Quarter-Final | | 48 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+2.5 | 234 | 1982-05-24 | Shusai Cup, sponsored by Warner-Pioneer, for top 8 Nihon Ki-in professionals | Final | | 49 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+R | 126 | 1982-05-27 | Honinbo, 37th | Title match, game 1 | | 50 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+2.5 | 233 | 1982-05-31 | Gosei, 07th | Challengers' Final, game 1 | | 51 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+11.5 | 267 | 1982-06-01 | Honinbo, 37th | Title match, game 4 | | 52 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+3.5 | 267 | 1982-06-04 | Honinbo, 37th | Title match, game 2 | | 53 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+6.5 | 227 | 1982-06-10 | Gosei, 07th | Challengers' Final, game 2 | | 54 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+4.5 | 227 | 1982-06-17 | Honinbo, 37th | Title match, game 3 | | 55 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+4,5 | 212 | 1982-07-09 | Honinbo, 37th | Title match, game 5 | | 56 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+R | 152 | 1982-07-22 | Honinbo, 37th | Title match, game 6 | | 57 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+R | 153 | 1984-01-16 | Judan, 22nd | Losers' Section, Final | | 58 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+5.5 | 245 | 1984-04-12 | Honinbo, 39th | League, game 28 | | 59 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+R | 233 | 1984-10-18 | Kakusei, 07th | Final League - 2 | | 60 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+0.5 | 260 | 1985-03-09 | NEC Cup, 04th | Final | | 61 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+5.5 | 281 | 1985-09-12 | Meijin, 10th | Title match, game 1 | | 62 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+R | 229 | 1985-09-26 | Meijin, 10th | Title match, game 2 | | 63 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+R | 147 | 1985-10-03 | Meijin, 10th | Title match, game 3 | | 64 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+R | 186 | 1985-10-17 | Meijin, 10th | Title match, game 4 | | 65 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+R | 242 | 1985-10-20 | Tengen, 11th | Challengers' Final | | 66 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+2.5 | 189 | 1985-10-24 | Meijin, 10th | Title match, game 5 | | 67 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+2.5 | 197 | 1985-11-07 | Meijin, 10th | Title match, game 6 | | 68 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+R | 111 | 1985-11-21 | Meijin, 10th | Title match, game 7 | | 69 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+2.5 | 216 | 1986-01-17 | Kisei, 10th | Title match, game 1 | | 70 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+3.5 | 238 | 1986-01-30 | Kisei, 10th | Title match, game 2 | | 71 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+2.5 | 281 | 1986-02-02 | Hayago, 18th, final | game 01 | | 72 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+1.5 | 251 | 1986-02-06 | Kisei, 10th | Title match, game 3 | | 73 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+2.5 | 265 | 1986-02-20 | Kisei, 10th | Title match, game 4 | | 74 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+0.5 | 196 | 1986-02-23 | Honinbo, 41st | League, game 18 | | 75 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+R | 186 | 1986-02-27 | Kisei, 10th | Title match, game 5 | | 76 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+R | 241 | 1986-03-13 | Kisei, 10th | Title match, game 6 | | 77 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+3.5 | 258 | 1986-03-16 | Hayago, 18th, final | game 02 | | 78 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+R | 194 | 1986-03-30 | Hayago, 18th, finall | game 03 | | 79 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+R | 188 | 1987-03-08 | Haya-go Senshuken, 19th | Final | | 80 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+R | 174 | 1987-03-19 | Honinbo, 42nd | League, game 24 | | 81 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+R | 175 | 1987-08-20 | Meijin, 12th | League, game 34 | | 82 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+7.5 | 230 | 1987-11-12 | Honinbo, 43rd | League, game 05 | | 83 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+2.5 | 232 | 1987-11-19 | Tengen, 13th | Title match, game 1 | | 84 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+1.5 | 246 | 1987-11-27 | Tengen, 13th | Title match, game 2 | | 85 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+R | 127 | 1987-12-14 | Tengen, 13th | Title match, game 3 | | 86 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+R | 162 | 1987-12-23 | Tengen, 13th | Title match, game 4 | | 87 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+0.5 | 230 | 1987-12-28 | Tengen, 13th | Title match, game 5 | | 88 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+R | 87 | 1988-01-21 | Meijin, 13th | League | | 89 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+R | 158 | 1989-03-30 | Honinbo, 44th | League, game 24 | | 90 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+R | 160 | 1990-05-12 | Honinbo, 45th | Title match, game 1 | | 91 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+2.5 | 242 | 1990-05-24 | Judan, 29th | 1-05 | | 92 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+R | 176 | 1990-05-29 | Honinbo, 45th | Title match, game 2 | | 93 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+0.5 | 210 | 1990-06-08 | Honinbo, 45th | Title match, game 3 | | 94 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+R | 98 | 1990-06-20 | Honinbo, 45th | Title match, game 4 | | 95 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+7.5 | 269 | 1990-07-10 | Honinbo, 45th | Title match, game 5 | | 96 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+6.5 | 221 | 1990-07-19 | Honinbo, 45th | Title match, game 6 | | 97 | Kobayashi Koichi | 9p | Cho Chikun | 9p | W+3.5 | 230 | 1990-07-26 | Honinbo, 45th | Title match, game 7 | | 98 | Cho Chikun | 9p | Kobayashi Koichi | 9p | W+R | 148 | 1991-05-11 | Honinbo, 46th | Title match, game 1 | | 99 | Kobayashi Koichi | 9p | Cho Chikun | 9p | B+4,5 | 212 | 1991-05-28 | Honinbo, 46th | Title match, game 2 | | 100 | Cho Chikun | 9p | Kobayashi Koichi | 9p | B+10.5 | 234 | 1991-06-08 | Honinbo, 46th | Title match, game 3 |
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