| # |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
| 1 | Rui Naiwei | 9p | Cho Chikun | 9p | W+2.5 | 258 | 2001-04-16 | Fujitsu Cup, 14th | 2-6 | | 2 | Cho Chikun | 9p | Rui Naiwei | 9p | W+R | 234 | 2001-08-29 | Samsung Cup, 06th | 1-13 | | 3 | Ryu Shikun | 5p | Cho Chikun | 9p | W+R | 154 | 1992-10-12 | NHK Cup, 40th | Round 2 | | 4 | Cho Chikun | 9p | Ryu Shikun | 5p | B+R | 189 | 1993-09-05 | Ryusei Cup, 03rd | Final | | 5 | Cho Chikun | 9p | Ryu Shikun | 6p | W+R | 184 | 1995-09-23 | NEC Cup, 15th | Quaterfinal - 1 | | 6 | Cho Chikun | 9p | Ryu Shikun | 6p | B+9 | 233 | 1996-05-14 | Honinbo, 51st | Title match, game 1 | | 7 | Ryu Shikun | 7p | Cho Chikun | 9p | W+R | 162 | 1996-05-28 | Honinbo, 51st | Title match, game 2 | | 8 | Cho Chikun | 9p | Ryu Shikun | 7p | W+R | 178 | 1996-06-10 | Honinbo, 51st | Title match, game 3 | | 9 | Ryu Shikun | 7p | Cho Chikun | 9p | W+R | 190 | 1996-06-20 | Honinbo, 51st | Title match, game 4 | | 10 | Cho Chikun | 9p | Ryu Shikun | 7p | W+2.5 | 266 | 1996-07-03 | Honinbo, 51st | Title match, game 5 | | 11 | Ryu Shikun | 7p | Cho Chikun | 9p | W+4.5 | 264 | 1996-07-17 | Honinbo, 51st | Title match, game 6 | | 12 | Cho Chikun | 9p | Ryu Shikun | 7p | B+2.5 | 250 | 1996-08-29 | Judan, 35th | Winners' Section, Quaterfinal - 3 | | 13 | Ryu Shikun | 7p | Cho Chikun | 9p | W+R | 194 | 1996-09-14 | NEC Cup, 16th | Quaterfinal - 1 | | 14 | Cho Chikun | 9p | Ryu Shikun | 7p | B+R | 133 | 1998-01-02 | JT Cup, 4th | Semifinal | | 15 | Ryu Shikun | 7p | Cho Chikun | 9p | B+0.5 | 255 | 1998-08-13 | Tengen, 24th | Semifinal - 1 | | 16 | Ryu Shikun | 7p | Cho Chikun | 9p | B+R | 163 | 1999-07-06 | Honinbo, 54th | Title match, game 6 | | 17 | Cho Chikun | 9p | Ryu Shikun | 7p | W+R | 234 | 2000-02-13 | NHK Cup, 47th | 4-1 | | 18 | Cho Chikun | 9p | Ryu Shikun | 7p | W+R | 92 | 2000-03-23 | Honinbo, 55th | League, game 24 | | 19 | Cho Chikun | 9p | Ryu Shikun | 7p | W+R | 162 | 2000-07-20 | Kisei, 25th | League, Group A, game 06 | | 20 | Ryu Shikun | 7p | Cho Chikun | 9p | B+R | 91 | 2000-08-17 | Tengen, 26th | Semifinal - 1 | | 21 | Ryu Shikun | 7p | Cho Chikun | 9p | W+R | 204 | 2001-01-11 | Meijin, 26th | League, game 06 | | 22 | Cho Chikun | 9p | Ryu Shikun | 7p | W+R | 194 | 2001-11-08 | Kisei, 26th | Challengers' playoff | | 23 | Cho Chikun | 9p | Ryu Shikun | 7p | B+R | 137 | 2002-04-25 | Meijin, 27th | League, game 20 | | 24 | Cho Chikun | 9p | Ryu Shikun | 7p | W+R | 144 | 2002-11-25 | Honinbo, 58th | League, game 08 | | 25 | Ryu Shikun | 9p | Cho Chikun | 9p | W+7.5 | 268 | 2003-05-01 | Meijin, 28th | League, game 21 | | 26 | Cho Chikun | 9p | Ryu Shikun | 9p | B+3.5 | 242 | 2003-10-09 | Kisei, 28th | League, Group B, game 13 | | 27 | Cho Chikun | 9p | Ryu Shikun | 9p | W+8.5 | 229 | 2005-11-20 | NHK Cup, 53rd | Round 2 | | 28 | Cho Chikun | 9p | Ryu Shikun | 9p | B+9 | 293 | 2007-07-19 | Honinbo, 63rd | Last primary tournament | | 29 | Cho Chikun | 9p | Ryu Shikun | 9p | B+R | 243 | 2009-07-04 | Daiwa Cup, 05th | 1 | | 30 | Cho Chikun | 9p | Ryu Shikun | 9p | W+R | 116 | 2010-04-29 | Tengen, 36th | 2 | | 31 | Cho Chikun | 9p | Ryu Shikun | 9p | W+R | 96 | 2013-08-29 | Meijin, 39th, last preliminary tournament | | | 32 | Cho Chikun | 9p | Ryu Shikun | 9p | B+R | 215 | 2013-12-19 | | | | 33 | Sakaguchi Ryuzo | 9p | Cho Chikun | 9p | W+R | 198 | 2012-06-21 | Agon Cup, 19th, last preliminary tournament | Final | | 34 | Sakai Hideyuki | 7p | Cho Chikun | 9p | W+5.5 | 305 | 2007-07-26 | Japanese Agon Cup, 14th | 2 | | 35 | Sakai Hideyuki | 7p | Cho Chikun | 9p | W+R | 242 | 2008-08-07 | Meijin, 33rd | League | | 36 | Sakai Hideyuki | 7p | Cho Chikun | 9p | B+0.5 | 253 | 2009-02-19 | Meijin, 34th | League | | 37 | Sakai Hideyuki | 7p | Cho Chikun | 9p | B+R | 205 | 2010-01-21 | Meijin, 35th | League | | 38 | Cho Chikun | 9p | Sakai Hideyuki | 7p | W+0.5 | 202 | 2010-01-28 | Fujitsu Cup, 23rd, last preliminary tournament | Final | | 39 | Sakai Hideyuki | 9p | Cho Chikun | 9p | W+R | 206 | 2011-03-24 | Meijin, 36th | League | | 40 | Sakai Hideyuki | 8p | Cho Chikun | 9p | W+R | 142 | 2011-07-14 | | | | 41 | Cho Chikun | 9p | Sakai Hideyuki | 8p | B+9 | 259 | 2011-11-14 | NHK Cup, 59th | 3 | | 42 | Cho Chikun | 9p | Sakai Maki | 5p | B+R | 159 | 1995-02-16 | Tengen, 21st | 1-03 | | 43 | Sakai Maki | 8p | Cho Chikun | 9p | W+R | 208 | 2008-10-30 | Gosei, 34th | Round 1 | | 44 | Cho Chikun | 2p | Sakai Masanori | 3p | B+R | 115 | 1968-11-06 | Oteai, 1968 | | | 45 | Cho Chikun | 3p | Sakai Nobutake (Sakai Takeshi) | 5p | B+2 | 198 | 1970-09-23 | Oteai, 1970 | | | 46 | Sakai Takeshi | 7p | Cho Chikun | 6p | W+R | 156 | 1974-03-01 | Kido magazine | game 03 | | 47 | Sakai Takeshi | 7p | Cho Chikun | 7p | W+1.5 | 268 | 1976-06-17 | Prime Minister's Cup, 20th | Round 3 | | 48 | Cho Chikun | 8p | Sakai Takeshi | 8p | B+4,5 | 274 | 1980-04-10 | Kisei, 05th | 8 dan tournament, Semifinal | | 49 | Cho Chikun | 9p | Sakai Takeshi | 8p | B+R | 151 | 1981-01-12 | Honinbo, 36th | League, game 09 | | 50 | Sakai Takeshi | 8p | Cho Chikun | 8p | Jigo | 268 | 1981-03-19 | Oteai, 1981 | | | 51 | Cho Chikun | 9p | Sakai Takeshi | 9p | B+7.5 | 283 | 1988-07-28 | Honinbo, 44th | Qualifications, Group 2, Final | | 52 | Cho Chikun | 9p | Sakai Takeshi | 9p | B+R | 127 | 2011-02-24 | Oza, 59th, last preliminary tournament | Final | | 53 | Cho Chikun | 8p | Sakakibara Shoji | 9p | B+R | 171 | 1979-02-25 | Tengen, 05th | 1-04 | | 54 | Cho Chikun | 5p | Sakata Eio | 9p | W+R | 146 | 1973-01-31 | Asahi Pro Best Ten, 10th | | | 55 | Cho Chikun | 6p | Sakata Eio | 9p | B+R | 141 | 1974-12-25 | Nihon Ki-in Championship, 22nd | match, 1 | | 56 | Cho Chikun | 6p | Sakata Eio | 9p | W+R | 148 | 1975-01-16 | Nihon Ki-in Championship, 22nd | match, 3 | | 57 | Sakata Eio | 9p | Cho Chikun | 6p | B+R | 181 | 1975-01-27 | Nihon Ki-in Championship, 28th | Title match, game 4 | | 58 | Sakata Eio | 9p | Cho Chikun | 6p | B+4,5 | 264 | 1975-02-06 | Nihon Ki-in Championship, 22nd | match, 5 | | 59 | Sakata Eio | 9p | Cho Chikun | 6p | W+R | 234 | 1975-07-01 | Nihon Ki-in Championship, 22nd | Title match, game 2 | | 60 | Sakata Eio | 9p | Cho Chikun | 7p | B+R | 107 | 1975-10-16 | Judan, 14th | 1st losers round | | 61 | Cho Chikun | 7p | Sakata Eio | 9p | W+R | 198 | 1976-03-14 | NHK Cup, 23rd | Semifinal - 2 | | 62 | Sakata Eio | 9p | Cho Chikun | 7p | W+2.5 | 277 | 1977-01-06 | Judan, 15th | Winners' Section, Final | | 63 | Sakata Eio | 9p | Cho Chikun | 7p | B+R | 167 | 1977-03-02 | Judan, 15th | Final | | 64 | Cho Chikun | 7p | Sakata Eio | 9p | W+R | 156 | 1977-03-31 | Meijin, 02nd | League, game 15 | | 65 | Sakata Eio | 9p | Cho Chikun | 7p | B+R | 163 | 1977-09-15 | Tengen, 03rd | 1/8 Final - 8 | | 66 | Cho Chikun | 8p | Sakata Eio | 9p | W+R | 254 | 1978-08-10 | Meijin, 03rd | League, game 36 | | 67 | Cho Chikun | 8p | Sakata Eio | 9p | B+R | 255 | 1979-06-07 | Gosei, 04th | 1-04 | | 68 | Cho Chikun | 8p | Sakata Eio | 9p | W+0.5 | 298 | 1979-07-05 | Meijin, 04th | League, game 28 | | 69 | Sakata Eio | 9p | Cho Chikun | 8p | B+R | 185 | 1979-11-29 | Honinbo, 35th | League, game 03 | | 70 | Sakata Eio | 9p | Cho Chikun | 8p | W+R | 248 | 1980-02-07 | Meijin, 05th | League, game 08 | | 71 | Cho Chikun | 8p | Sakata Eio | 9p | B+R | 203 | 1980-09-03 | Kisei, 05th | Stage 2, final | | 72 | Cho Chikun | 8p | Sakata Eio | 9p | B+6.5 | 236 | 1980-11-13 | Kisei, 05th | Challengers' Semi-Final | | 73 | Cho Chikun | 8p | Sakata Eio | 9p | B+R | 177 | 1981-02-26 | Honinbo, 36th | League, game 16 | | 74 | Sakata Eio | 9p | Cho Chikun | 9p | B+R | 173 | 1983-01-16 | NEC Cup, 02nd | Semifinal - 1 | | 75 | Sakata Eio | 9p | Cho Chikun | 9p | B+R | 233 | 1983-10-06 | Judan, 22nd | Winners' Section, Semifinal - 1 | | 76 | Sakata Eio | 9p | Cho Chikun | 9p | B+R | 145 | 1984-02-08 | Honinbo, 39th | League, game 17 | | 77 | Sakata Eio | 9p | Cho Chikun | 9p | W+8 | 293 | 1984-03-03 | NEC Cup, 03rd | Final | | 78 | Cho Chikun | 9p | Sakata Eio | 9p | B+R | 209 | 1986-11-20 | Honinbo, 42nd | League, game 07 | | 79 | Sakata Eio | 9p | Cho Chikun | 9p | W+R | 166 | 1987-01-29 | Judan, 25th | Losers' Section, Semifinal - 2 | | 80 | Cho Chikun | 9p | Sakata Eio | 9p | B+1.5 | 255 | 1987-02-22 | Haya-go Senshuken, 19th | Semifinal - 2 | | 81 | Sakata Eio | 9p | Cho Chikun | 9p | W+0.5 | 219 | 1987-06-25 | Kisei, 12th | Final 9 dan | | 82 | Cho Chikun | 9p | Sakata Eio | 9p | B+R | 127 | 1990-06-28 | Judan, 29th | Winners' Section, Quaterfinal - 3 | | 83 | Cho Chikun | 9p | Sakata Eio | 9p | B+R | 155 | 1990-12-17 | NHK Cup, 38th | Preliminaries | | 84 | Sakata Eio | 9p | Cho Chikun | 9p | B+R | 153 | 1992-11-16 | Kirin Cup, 5th | Round 3 | | 85 | Cho Chikun | 9p | Sakata Eio | 9p | B+15 | 230 | 1994-10-24 | Kirin Cup, 07th | 1 | | 86 | Cho Chikun | 5p | Sanno Hirotaka | 7p | W+R | 210 | 1973-06-28 | Oteai, 1973 | | | 87 | Sanno Hirotaka | 9p | Cho Chikun | 9p | W+4.5 | 255 | 1984-05-31 | Oza, 32nd | 2-2 | | 88 | Sanno Hirotaka | 9p | Cho Chikun | 9p | W+R | 174 | 1990-06-23 | IBM Lightning Go Championship, 3rd | 1 | | 89 | Cho Chikun | 5p | Sato Kaoru | 5p | B+R | 261 | 1972-10-12 | Oteai, 1972 | | | 90 | Sato Masaharu | 9p | Cho Chikun | 9p | W+R | 114 | 1994-03-24 | Meijin, 19th | League, game 16 | | 91 | Sato Masaharu | 9p | Cho Chikun | 9p | W+R | 130 | 2007-08-09 | Meijin, 33rd, last preliminary tournament | Preliminaries | | 92 | Sato Masaharu | 9p | Cho Chikun | 9p | W+R | 96 | 2008-03-10 | Ryusei Cup, 17th | block-C | | 93 | Cho Chikun | 6p | Sato Sunao | 9p | B+R | 143 | 1974-10-17 | Asahi Pro Best Ten, 12th | 1-05 | | 94 | Sato Sunao | 9p | Cho Chikun | 9p | W+R | 174 | 1988-02-04 | Honinbo, 43rd | League, game 18 | | 95 | Sekine Naohisa | 3p | Cho Chikun | 4p | W+R | 211 | 1971-09-29 | Oteai, 1971 | | | 96 | Sekiyama Toshio | 9p | Cho Chikun | 8p | W+1.5 | 250 | 1980-10-16 | Kisei, 05th | Quaterfinal - 2 | | 97 | Cho Chikun | 9p | Sekiyama Toshio | 9p | B+R | 177 | 1983-12-22 | Gosei, 09th | Round 1-13 | | 98 | Cho Chikun | 9p | Seo Bongsoo | 9p | B+1 | 313 | 1992-11-23 | Ing Cup, 2nd | Semifinal - 1, game 1 | | 99 | Seo Bongsoo | 9p | Cho Chikun | 9p | B+1 | 310 | 1992-11-25 | Ing Cup, 2nd | Semifinal - 1, game 2 | | 100 | Cho Chikun | 9p | Seo Bongsoo | 9p | W+5 | 267 | 1992-11-27 | Ing Cup, 2nd | Semifinal - 1, game 3 |
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