| # |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
| 1 | Sakai Takeshi | 8p | Cho Chikun | 8p | Jigo | 268 | 1981-03-19 | Oteai, 1981 | | | 2 | Cho Chikun | 9p | Sakai Takeshi | 9p | B+7.5 | 283 | 1988-07-28 | Honinbo, 44th | Qualifications, Group 2, Final | | 3 | Cho Chikun | 9p | Sakai Takeshi | 9p | B+R | 127 | 2011-02-24 | Oza, 59th, last preliminary tournament | Final | | 4 | Cho Chikun | 8p | Sakakibara Shoji | 9p | B+R | 171 | 1979-02-25 | Tengen, 05th | 1-04 | | 5 | Cho Chikun | 5p | Sakata Eio | 9p | W+R | 146 | 1973-01-31 | Asahi Pro Best Ten, 10th | | | 6 | Cho Chikun | 6p | Sakata Eio | 9p | B+R | 141 | 1974-12-25 | Nihon Ki-in Championship, 22nd | match, 1 | | 7 | Cho Chikun | 6p | Sakata Eio | 9p | W+R | 148 | 1975-01-16 | Nihon Ki-in Championship, 22nd | match, 3 | | 8 | Sakata Eio | 9p | Cho Chikun | 6p | B+R | 181 | 1975-01-27 | Nihon Ki-in Championship, 28th | Title match, game 4 | | 9 | Sakata Eio | 9p | Cho Chikun | 6p | B+4,5 | 264 | 1975-02-06 | Nihon Ki-in Championship, 22nd | match, 5 | | 10 | Sakata Eio | 9p | Cho Chikun | 6p | W+R | 234 | 1975-07-01 | Nihon Ki-in Championship, 22nd | Title match, game 2 | | 11 | Sakata Eio | 9p | Cho Chikun | 7p | B+R | 107 | 1975-10-16 | Judan, 14th | 1st losers round | | 12 | Cho Chikun | 7p | Sakata Eio | 9p | W+R | 198 | 1976-03-14 | NHK Cup, 23rd | Semifinal - 2 | | 13 | Sakata Eio | 9p | Cho Chikun | 7p | W+2.5 | 277 | 1977-01-06 | Judan, 15th | Winners' Section, Final | | 14 | Sakata Eio | 9p | Cho Chikun | 7p | B+R | 167 | 1977-03-02 | Judan, 15th | Final | | 15 | Cho Chikun | 7p | Sakata Eio | 9p | W+R | 156 | 1977-03-31 | Meijin, 02nd | League, game 15 | | 16 | Sakata Eio | 9p | Cho Chikun | 7p | B+R | 163 | 1977-09-15 | Tengen, 03rd | 1/8 Final - 8 | | 17 | Cho Chikun | 8p | Sakata Eio | 9p | W+R | 254 | 1978-08-10 | Meijin, 03rd | League, game 36 | | 18 | Cho Chikun | 8p | Sakata Eio | 9p | B+R | 255 | 1979-06-07 | Gosei, 04th | 1-04 | | 19 | Cho Chikun | 8p | Sakata Eio | 9p | W+0.5 | 298 | 1979-07-05 | Meijin, 04th | League, game 28 | | 20 | Sakata Eio | 9p | Cho Chikun | 8p | B+R | 185 | 1979-11-29 | Honinbo, 35th | League, game 03 | | 21 | Sakata Eio | 9p | Cho Chikun | 8p | W+R | 248 | 1980-02-07 | Meijin, 05th | League, game 08 | | 22 | Cho Chikun | 8p | Sakata Eio | 9p | B+R | 203 | 1980-09-03 | Kisei, 05th | Stage 2, final | | 23 | Cho Chikun | 8p | Sakata Eio | 9p | B+6.5 | 236 | 1980-11-13 | Kisei, 05th | Challengers' Semi-Final | | 24 | Cho Chikun | 8p | Sakata Eio | 9p | B+R | 177 | 1981-02-26 | Honinbo, 36th | League, game 16 | | 25 | Sakata Eio | 9p | Cho Chikun | 9p | B+R | 173 | 1983-01-16 | NEC Cup, 02nd | Semifinal - 1 | | 26 | Sakata Eio | 9p | Cho Chikun | 9p | B+R | 233 | 1983-10-06 | Judan, 22nd | Winners' Section, Semifinal - 1 | | 27 | Sakata Eio | 9p | Cho Chikun | 9p | B+R | 145 | 1984-02-08 | Honinbo, 39th | League, game 17 | | 28 | Sakata Eio | 9p | Cho Chikun | 9p | W+8 | 293 | 1984-03-03 | NEC Cup, 03rd | Final | | 29 | Cho Chikun | 9p | Sakata Eio | 9p | B+R | 209 | 1986-11-20 | Honinbo, 42nd | League, game 07 | | 30 | Sakata Eio | 9p | Cho Chikun | 9p | W+R | 166 | 1987-01-29 | Judan, 25th | Losers' Section, Semifinal - 2 | | 31 | Cho Chikun | 9p | Sakata Eio | 9p | B+1.5 | 255 | 1987-02-22 | Haya-go Senshuken, 19th | Semifinal - 2 | | 32 | Sakata Eio | 9p | Cho Chikun | 9p | W+0.5 | 219 | 1987-06-25 | Kisei, 12th | Final 9 dan | | 33 | Cho Chikun | 9p | Sakata Eio | 9p | B+R | 127 | 1990-06-28 | Judan, 29th | Winners' Section, Quaterfinal - 3 | | 34 | Cho Chikun | 9p | Sakata Eio | 9p | B+R | 155 | 1990-12-17 | NHK Cup, 38th | Preliminaries | | 35 | Sakata Eio | 9p | Cho Chikun | 9p | B+R | 153 | 1992-11-16 | Kirin Cup, 5th | Round 3 | | 36 | Cho Chikun | 9p | Sakata Eio | 9p | B+15 | 230 | 1994-10-24 | Kirin Cup, 07th | 1 | | 37 | Cho Chikun | 5p | Sanno Hirotaka | 7p | W+R | 210 | 1973-06-28 | Oteai, 1973 | | | 38 | Sanno Hirotaka | 9p | Cho Chikun | 9p | W+4.5 | 255 | 1984-05-31 | Oza, 32nd | 2-2 | | 39 | Sanno Hirotaka | 9p | Cho Chikun | 9p | W+R | 174 | 1990-06-23 | IBM Lightning Go Championship, 3rd | 1 | | 40 | Cho Chikun | 5p | Sato Kaoru | 5p | B+R | 261 | 1972-10-12 | Oteai, 1972 | | | 41 | Sato Masaharu | 9p | Cho Chikun | 9p | W+R | 114 | 1994-03-24 | Meijin, 19th | League, game 16 | | 42 | Sato Masaharu | 9p | Cho Chikun | 9p | W+R | 130 | 2007-08-09 | Meijin, 33rd, last preliminary tournament | Preliminaries | | 43 | Sato Masaharu | 9p | Cho Chikun | 9p | W+R | 96 | 2008-03-10 | Ryusei Cup, 17th | block-C | | 44 | Cho Chikun | 6p | Sato Sunao | 9p | B+R | 143 | 1974-10-17 | Asahi Pro Best Ten, 12th | 1-05 | | 45 | Sato Sunao | 9p | Cho Chikun | 9p | W+R | 174 | 1988-02-04 | Honinbo, 43rd | League, game 18 | | 46 | Sekine Naohisa | 3p | Cho Chikun | 4p | W+R | 211 | 1971-09-29 | Oteai, 1971 | | | 47 | Sekiyama Toshio | 9p | Cho Chikun | 8p | W+1.5 | 250 | 1980-10-16 | Kisei, 05th | Quaterfinal - 2 | | 48 | Cho Chikun | 9p | Sekiyama Toshio | 9p | B+R | 177 | 1983-12-22 | Gosei, 09th | Round 1-13 | | 49 | Cho Chikun | 9p | Seo Bongsoo | 9p | B+1 | 313 | 1992-11-23 | Ing Cup, 2nd | Semifinal - 1, game 1 | | 50 | Seo Bongsoo | 9p | Cho Chikun | 9p | B+1 | 310 | 1992-11-25 | Ing Cup, 2nd | Semifinal - 1, game 2 | | 51 | Cho Chikun | 9p | Seo Bongsoo | 9p | W+5 | 267 | 1992-11-27 | Ing Cup, 2nd | Semifinal - 1, game 3 | | 52 | Seo Bongsoo | 9p | Cho Chikun | 9p | B+R | 143 | 1996-09-24 | Samsung Cup, 01st | 1/8 Final - 5 | | 53 | Cho Chikun | 9p | Seo Bongsoo | 9p | W+2.5 | 261 | 2016-01-24 | | | | 54 | Seto Katsuhiro | ? pro | Cho Chikun | 1pk | W+R | 128 | 1968-01-21 | Insei Competition, 1968 | game 06 | | 55 | Seto Taiki | 3p | Cho Chikun | 9d | B+1 | 130 | 1994-09-02 | Boys' and Girls' Teaching Games sponsored by Mainichi Shinbun | | | 56 | Seto Taiki | 7p | Cho Chikun | 9p | B+9 | 221 | 2013-05-09 | Oza, 61st, last preliminary tournament | Final | | 57 | Shao Weigang | 9p | Cho Chikun | 9p | W+R | 144 | 2000-05-16 | China-Japan NEC Cup, 15th | game 01 | | 58 | Cho Chikun | 9p | Shao Weigang | 9p | B+R | 157 | 2000-05-17 | China-Japan NEC Cup, 15th | game 02 | | 59 | Cho Chikun | 9p | Shao Weigang | 9p | W+7.5 | 280 | 2002-03-19 | World Oza Toyota & Denso Cup, 1st | 1 | | 60 | Cho Chikun | 9p | Shida Tatsuya | 7p | B+R | 155 | 2015-07-02 | Ryusei, 24th | champion decision tournament | | 61 | Shida Tatsuya | 7p | Cho Chikun | 9p | W+R | 154 | 2016-05-09 | NHK Cup, 64th | 1st round | | 62 | Shimamura Toshihiro | 9p | Cho Chikun | 7p | B+R | 179 | 1975-12-18 | Gosei, 01st | League, game 02 | | 63 | Shimamura Toshihiro | 9p | Cho Chikun | 9p | W+R | 180 | 1988-01-01 | Tokyo Cup | 1 | | 64 | Cho Chikun | 9p | Shin Jinseo | 6p | W+R | 122 | 2016-09-06 | Samsung Cup, 21st | Winners' Section, 1st round | | 65 | Shiraishi Yutaka | 9p | Cho Chikun | 7p | W+R | 68 | 1977-07-07 | Meijin, 02nd | League, game 26 | | 66 | Shiraishi Yutaka | 9p | Cho Chikun | 7p | W+3.5 | 260 | 1978-02-16 | Meijin, 03rd | League, game 12 | | 67 | Cho Chikun | 8p | Shiraishi Yutaka | 9p | B+R | 101 | 1980-04-03 | Honinbo, 35th | League, game 20 | | 68 | Cho Chikun | 9p | Shiraishi Yutaka | 9p | B+R | 99 | 1981-05-07 | Honinbo, 36th | League, game 25 | | 69 | Shiraishi Yutaka | 9p | Cho Chikun | 9p | W+R | 140 | 1981-11-12 | Gosei, 07th | 1 | | 70 | Shiraishi Yutaka | 9p | Cho Chikun | 9p | W+R | 144 | 1986-04-02 | Gosei, 11th | Round 2-7 | | 71 | Cho Chikun | 9p | Shiraishi Yutaka | 9p | B+R | 125 | 1986-12-04 | Meijin, 12th | League, game 01 | | 72 | Cho Chikun | 9p | Shiraishi Yutaka | 9p | B+6.5 | 201 | 1992-03-26 | Gosei, 17th | Quaterfinal - 2 | | 73 | Shoji Kazuko | 2p | Cho Chikun | 2p | W+R | 208 | 1969-06-04 | Oteai, 1969 | | | 74 | Shuto Shun | 7p | Cho Chikun | 9p | B+2.5 | 260 | 2010-07-24 | Daiwa Cup, 06th | 1 | | 75 | Cho Chikun | 9p | Shuto SHun | 7p | W+R | 154 | 2015-06-11 | Agon Cup, 22nd, last preiminary tournament | Final | | 76 | Cho Chikun | 9p | So Yokoku | 6p | B+R | 175 | 1999-05-20 | Oza, 47th | Quaterfinal - 2 | | 77 | Cho Chikun | 9p | So Yokoku | 7p | B+7 | 268 | 2004-06-24 | Tengen, 30th | Quaterfinal - 1 | | 78 | So Yokoku | 8p | Cho Chikun | 9p | W+1.5 | 241 | 2007-04-12 | Tengen, 33rd | 2 | | 79 | Cho Chikun | 9p | So Yokoku | 8p | W+R | 224 | 2007-05-10 | Oza, 55th | 1 | | 80 | So Yokoku | 8p | Cho Chikun | 9p | W+1.5 | 270 | 2008-08-14 | Judan, 47th | Winners' Section, Semifinal | | 81 | Cho Chikun | 9p | So Yokoku | 8p | W+R | 152 | 2009-05-28 | Judan, 48th | Winners' Section, Round 1 | | 82 | Cho Chikun | 9p | So Yokoku | 8p | B+R | 249 | 2010-02-11 | Oza, 58th, last preliminary tournament | | | 83 | So Yokoku | 8p | Cho Chikun | 9p | W+10.5 | 321 | 2010-02-25 | Tengen, 36th | 1 | | 84 | So Yokoku | 8p | Cho Chikun | 9p | B+0.5 | 285 | 2010-07-12 | NEC Cup, 30th | 1 | | 85 | Cho Chikun | 9p | So Yokoku | 8p | W+1.5 | 299 | 2012-10-01 | NHK Cup, 60th | 2 | | 86 | So Yokoku | 8p | Cho Chikun | 9p | W+7.5 | 308 | 2013-07-11 | | | | 87 | Sometani Kazuo | 8p | Cho Chikun | 6p | W+R | 158 | 1974-03-14 | Nihon Ki-in Championship, 22nd | 1-05 | | 88 | Cho Chikun | 9p | Sonoda Yasutaka | 9p | W+0.5 | 239 | 2009-08-20 | Gosei, 35th, preliminary tournament A | | | 89 | Cho Chikun | 7p | Sonoda Yuichi | 7p | B+R | 121 | 1976-03-25 | Kisei, 01st | 7-dan-section | | 90 | Cho Chikun | 7p | Sonoda Yuichi | 8p | B+0.5 | 258 | 1978-02-09 | Tengen, 04th | 1/6 | | 91 | Cho Chikun | 8p | Sonoda Yuichi | 9p | W+R | 166 | 1978-11-09 | Judan, 17th | 3-2 | | 92 | Cho Chikun | 8p | Sonoda Yuichi | 9p | W+5.5 | 306 | 1979-06-21 | Judan, 18th | Quaterfinal | | 93 | Cho Chikun | 9p | Sonoda Yuichi | 9p | B+R | 155 | 1982-09-16 | Tengen, 08th | Quaterfinal - 4 | | 94 | Sonoda Yuichi | 9p | Cho Chikun | 9p | W+5.5 | 191 | 1986-06-12 | Gosei, 11th | Challengers' Final | | 95 | Cho Chikun | 9p | Sonoda Yuichi | 9p | B+R | 101 | 1987-09-17 | Tengen, 13th | Semifinal - 2 | | 96 | Sonoda Yuichi | 9p | Cho Chikun | 9p | B+0.5 | 236 | 1988-11-17 | Tengen, 14th | Title match, game 1 | | 97 | Cho Chikun | 9p | Sonoda Yuichi | 9p | B+R | 175 | 1988-11-25 | Tengen, 14th | Title match, game 2 | | 98 | Sonoda Yuichi | 9p | Cho Chikun | 9p | W+R | 130 | 1988-12-02 | Tengen, 14th | Title match, game 3 | | 99 | Cho Chikun | 9p | Sonoda Yuichi | 9p | W+0.5 | 208 | 1988-12-21 | Tengen, 14th | Title match, game 4 | | 100 | Sonoda Yuichi | 9p | Cho Chikun | 9p | W+R | 154 | 1988-12-26 | Tengen, 14th | Title match, game 5 |
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