# |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
1 | Imamura Toshiya | 8p | Cho Chikun | 9p | B+0.5 | 280 | 1989-06-22 | Gosei, 14th | Challengers' Final | 2 | Imamura Toshiya | 9p | Cho Chikun | 9p | W+R | 138 | 1993-09-09 | Judan, 32nd | Losers' Section, 2-1 | 3 | Cho Chikun | 9p | Imamura Toshiya | 9p | W+R | 130 | 1994-02-10 | Tengen, 20th | 1/16 Final - 06 | 4 | Cho Chikun | 9p | Imamura Toshiya | 9p | W+1 | 215 | 1995-07-17 | Acom Cup, 2nd | 1 | 5 | Imamura Toshiya | 9p | Cho Chikun | 9p | W+R | 98 | 2000-10-05 | Kisei, 25th | League, Group A, game 15 | 6 | Imamura Toshiya | 9p | Cho Chikun | 9p | W+6.5 | 280 | 2003-03-27 | Tengen, 29th | 1/8 Final - 2 | 7 | Imamura Toshiya | 9p | Cho Chikun | 9p | B+R | 109 | 2003-12-04 | Meijin, 29th | League, game 01 | 8 | Imamura Toshiya | 9p | Cho Chikun | 9p | W+7.5 | 268 | 2006-02-20 | Ryusei Cup, 15th | Block C, Game 11 | 9 | Cho Chikun | 9p | Imamura Toshiya | 9p | W+R | 112 | 2006-07-22 | Kisei, 31st | League B | 10 | Cho Chikun | 9p | Imamura Toshiya | 9p | B+R | 161 | 2007-01-11 | Tengen, 33rd | 1 | 11 | Cho Chikun | 9p | Imamura Toshiya | 9p | W+R | 156 | 2007-08-02 | Kisei, 32nd | League | 12 | Cho Chikun | 9p | Imamura Toshiya | 9p | B+R | 103 | 2010-07-29 | Agon Cup, 17th | 2 | 13 | Imamura Toshiya | 9p | Cho Chikun | 9p | W+R | 94 | 2010-12-02 | | | 14 | Cho Chikun | 9p | Imamura Toshiya | 9p | W+R | 132 | 2013-08-01 | Honinbo, 69th, last preliminary tournament | | 15 | Imamura Yoshiaki | 8p | Cho Chikun | 9p | W+R | 182 | 2004-06-17 | Kisei, 29th | League, Group B, game 02 | 16 | Cho Chikun | 9p | Imamura Yoshiaki | 9p | B+9.5 | 218 | 2007-03-22 | Kisei, 32nd | Last primary tournament, Final | 17 | Cho Chikun | 9p | Imamura Yoshiaki | 9p | B+4,5 | 169 | 2012-01-19 | Oza, 60th, last preliminary tournament | | 18 | Cho Chikun | 7p | Inagaki Koichi | 6p | B+R | 131 | 1977-07-28 | Tengen, 03rd | 1-16 | 19 | Cho Chikun | 1pk | Inoue Kunio | ? pro | B+R | 107 | 1968-01-28 | Insei Competition, 1968 | game 09 | 20 | Cho Chikun | 1pk | Ishibashi Chinami | ? pro | W+R | 128 | 1968-02-06 | Insei Competition, 1968 | game 13 | 21 | Cho Chikun | 1p ? | Ishida Akira | 2p | W+R | 62 | 1968-05-01 | Oteai, 1968 | | 22 | Cho Chikun | 4p | Ishida Akira | 4p | B+R | 205 | 1971-02-21 | Asahi Pro Best Ten, 9th | Preliminary, 1st | 23 | Ishida Akira | 6p | Cho Chikun | 6p | W+R | 170 | 1974-01-01 | Young Stars Gonin-nuki {first to five straight wins} tournament sponsored by Kido | game 02 | 24 | Cho Chikun | 7p | Ishida Akira | 7p | B+R | 171 | 1976-11-10 | Meijin, 02nd | Preliminary, 2 | 25 | Ishida Akira | 7p | Cho Chikun | 7p | W+R | 180 | 1977-02-23 | Judan, 15th | Losers' Section, Final | 26 | Ishida Akira | 8p | Cho Chikun | 8p | W+R | 186 | 1981-01-08 | Oteai, 1981 | | 27 | Cho Chikun | 9p | Ishida Akira | 8p | W+2.5 | 248 | 1982-05-07 | Oza, 30th | 1/8 Final - 6 | 28 | Cho Chikun | 9p | Ishida Akira | 9p | W+R | 194 | 1983-01-20 | Gosei, 08th | 2-2 | 29 | Cho Chikun | 9p | Ishida Akira | 9p | B+2.5 | 255 | 1983-06-16 | Oza, 31st | Quaterfinal - 1 | 30 | Ishida Akira | 9p | Cho Chikun | 9p | W+R | 102 | 1985-11-28 | Gosei, 11th | Round 1-10 | 31 | Cho Chikun | 9p | Ishida Akira | 9p | B+R | 179 | 1987-02-26 | Meijin, 12th | League, game 12 | 32 | Cho Chikun | 9p | Ishida Akira | 9p | B+0.5 | 251 | 1988-02-25 | Meijin, 13th | League | 33 | Ishida Akira | 9p | Cho Chikun | 9p | B+1.5 | 249 | 1988-05-05 | Gosei, 13th | Round 3-4 | 34 | Ishida Akira | 9p | Cho Chikun | 9p | W+R | 170 | 1993-10-04 | Kirin Cup, 06th | | 35 | Cho Chikun | 9p | Ishida Akira | 9p | B+R | 153 | 1995-09-21 | Tengen, 21st | Semifinal - 1 | 36 | Ishida Akira | 9p | Cho Chikun | 9p | W+R | 172 | 2009-03-05 | | | 37 | Ishida Atsushi | 8p | Cho Chikun | 9p | W+4.5 | 229 | 2000-08-14 | Kisei, 25th | League, Group A, game 08 | 38 | Cho Chikun | 9p | Ishida Atsushi | 8p | B+5 | 245 | 2001-06-21 | Kisei, 26th | League, Group B, game 03 | 39 | Cho Chikun | 6p | Ishida Yoshio | 9p | B+4,5 | 211 | 1974-10-31 | Nihon Ki-in Championship, 22nd | Quaterfinal - 4 | 40 | Cho Chikun | 7p | Ishida Yoshio | 9p | W+3.5 | 259 | 1975-11-01 | Japan Series League, 2nd | League | 41 | Ishida Yoshio | 9p | Cho Chikun | 7p | B+6.5 | 277 | 1977-02-16 | Meijin, 02nd | League, game 09 | 42 | Ishida Yoshio | 9p | Cho Chikun | 7p | B+1.5 | 240 | 1977-11-27 | NHK Cup, 25th | 2 | 43 | Ishida Yoshio | 9p | Cho Chikun | 8p | B+R | 147 | 1978-01-09 | Haya-go Senshuken, 11th | 2 | 44 | Ishida Yoshio | 9p | Cho Chikun | 7p | B+R | 135 | 1978-04-01 | Kido Championship (W&C) | 5 | 45 | Ishida Yoshio | 9p | Cho Chikun | 8p | W+2.5 | 251 | 1978-07-27 | Meijin, 03rd | League, game 30 | 46 | Cho Chikun | 8p | Ishida Yoshio | 9p | B+1.5 | 287 | 1979-04-12 | Meijin, 04th | League, game 17 | 47 | Ishida Yoshio | 9p | Cho Chikun | 8p | W+R | 260 | 1979-06-14 | Gosei, 04th | League | 48 | Cho Chikun | 8p | Ishida Yoshio | 9p | B+R | 205 | 1979-12-06 | Honinbo, 35th | League, game 04 | 49 | Ishida Yoshio | 9p | Cho Chikun | 9p | W+R | 190 | 1981-09-17 | Judan, 20th | Winners' Section, Semifinal | 50 | Ishida Yoshio | 9p | Cho Chikun | 9p | B+6.5 | 269 | 1983-02-13 | Haya-go Senshuken, 15th | Semifinal - 2 | 51 | Cho Chikun | 9p | Ishida Yoshio | 9p | B+6.5 | 247 | 1983-05-05 | Oza, 31st | 1/8 Final - 5 | 52 | Ishida Yoshio | 9p | Cho Chikun | 9p | B+1.5 | 223 | 1986-10-09 | Judan, 25th | 2-3 | 53 | Ishida Yoshio | 9p | Cho Chikun | 9p | W+0.5 | 270 | 1987-12-10 | Meijin, 13th | League, game 02 | 54 | Ishida Yoshio | 9p | Cho Chikun | 9p | B+R | 133 | 1988-03-05 | NEC Cup, 07th | Final | 55 | Cho Chikun | 9p | Ishida Yoshio | 9p | B+4,5 | 239 | 1989-01-19 | Meijin, 14th | League, game 06 | 56 | Ishida Yoshio | 9p | Cho Chikun | 9p | B+R | 241 | 1989-02-11 | NEC Cup, 08th | Semifinal - 2 | 57 | Ishida Yoshio | 9p | Cho Chikun | 9p | W+2.5 | 271 | 1989-05-04 | Gosei, 14th | Semifinal - 2 | 58 | Cho Chikun | 9p | Ishida Yoshio | 9p | W+R | 164 | 1990-07-16 | IBM Lightning Go Championship, 3rd | Round 3 | 59 | Cho Chikun | 9p | Ishida Yoshio | 9p | B+13.5 | 299 | 1991-08-18 | Ryusei Cup, 01st | Final | 60 | Cho Chikun | 9p | Ishida Yoshio | 9p | B+R | 181 | 1991-10-07 | Kirin Cup, 04th | Round 1, Board 1 | 61 | Cho Chikun | 9p | Ishida Yoshio | 9p | B+2.5 | 258 | 1992-09-03 | Judan, 31st | Winners' Section, Quaterfinal - 4 | 62 | Cho Chikun | 9p | Ishida Yoshio | 9p | B+R | 137 | 1993-03-18 | Oza, 41st | 1/8 Final - 1 | 63 | Cho Chikun | 9p | Ishida Yoshio | 9p | W+R | 154 | 1994-01-12 | Professional Pair Go Tournament | 3 | 64 | Cho Chikun | 9p | Ishida Yoshio | 9p | B+0.5 | 263 | 1996-12-05 | Gosei, 22nd | 1/16 Final - 06 | 65 | Ishida Yoshio | 9p | Cho Chikun | 9p | B+2.5 | 292 | 2001-03-11 | NHK Cup, 48th | Final | 66 | Ishida Yoshio | 9p | Cho Chikun | 9p | W+4 | 259 | 2001-10-11 | Kisei, 26th | League, Group B, game 14 | 67 | Cho Chikun | 9p | Ishida Yoshio | 9p | B+R | 187 | 2002-10-06 | Haya-go Senshuken, 35th | Final | 68 | Cho Chikun | 9p | Ishida Yoshio | 9p | B+2.5 | 230 | 2009-11-05 | Tengen, 36th, preliminary tournament | Final | 69 | Ishida Yoshio | 9p | Cho Chikun | 9p | W+1.5 | 287 | 2014-05-08 | Igo Masters Cup, 4th | 2 | 70 | Cho Chikun | 9p | Ishida Yoshio | 9p | W+R | 184 | 2016-03-10 | Igo Masters Cup, 6th | 1st round | 71 | Cho Chikun | 5p | Ishigure Ikuro | 7p | B+R | 115 | 1972-06-22 | Oteai, 1972 | | 72 | Ishigure Ikuro | 7p | Cho Chikun | 6p | W+6.5 | 187 | 1974-01-10 | Prime Minister's Cup, 18th | Preliminaries, 1 | 73 | Ishigure Ikuro | 8p | Cho Chikun | 6p | B+R | 163 | 1975-07-01 | Meijin, 01st | Preliminary Tournament, 2 | 74 | Cho Chikun | 7p | Ishigure Ikuro | 8p | B+1 | 237 | 1978-05-11 | Oteai, 1978 | | 75 | Ishii Kunio | 8p | Cho Chikun | 7p | W+0.5 | 247 | 1977-11-03 | Meijin, 03rd | League | 76 | Cho Chikun | 9p | Ishii Kunio | 9p | W+0.5 | 283 | 1983-05-12 | Tengen, 09th | 1/8 Final - 2 | 77 | Cho Chikun | 9p | Ishii Kunio | 9p | B+R | 209 | 1984-01-21 | NEC Cup, 03rd | Semifinal - 1 | 78 | Ishii Kunio | 9p | Cho Chikun | 9p | W+R | 164 | 1991-03-07 | Meijin, 16th | League, game 13 | 79 | Ishii Kunio | 9p | Cho Chikun | 9p | W+R | 126 | 2007-01-25 | Kisei, 32nd | Preliminaries | 80 | Cho Chikun | 9p | Ishii Kunio | 9p | B+R | 137 | 2012-11-15 | Gosei, 38th | 1 | 81 | Cho Chikun | 9p | Ishii Kunio | 9p | B+R | 157 | 2014-06-21 | Igo Masters Cup, 4th | Semifinal | 82 | Cho Chikun | 9p | Ishii Shinzo | 9p | B+5.5 | 332 | 1982-04-22 | Gosei, 07th | Quaterfinal - 3 | 83 | Ishikura Noboru | 8p | Cho Chikun | 9p | W+8.5 | 272 | 1998-03-05 | Tengen, 24th | 1-11 | 84 | Iwamoto Kaoru | 9p | Cho Chikun | 5p | B+R | 175 | 1972-10-25 | Oza, 20th | Preliminaries | 85 | Iwamoto Kaoru | 9p | Cho Chikun | 6p | W+R | 202 | 1975-02-20 | Judan, 14th | 2nd Preliminary | 86 | Iwata Hajime | 4p | Cho Chikun | 7p | B+R | 111 | 1975-10-22 | Oteai, 1975 | | 87 | Iwata Tatsuaki | 9p | Cho Chikun | 2p | B+R | 149 | 1969-09-25 | Pro Best Ten, 06th | Preliminaries | 88 | Cho Chikun | 7p | Iwata Tatsuaki | 9p | B+R | 125 | 1977-10-27 | Meijin, 03rd | Preliminaries | 89 | Cho Chikun | 9p | Iwata Tatsuaki | 9p | W+R | 154 | 1983-11-10 | Honinbo, 39th | League, game 05 | 90 | Cho Chikun | 9p | Iwata Tatsuaki | 9p | B+R | 199 | 1985-09-05 | Honinbo, 40th | League-entry preliminary, final | 91 | Iwata Tatsuaki | 9p | Cho Chikun | 9p | W+4.5 | 262 | 1992-07-02 | Meijin, 17th | League, game 30 | 92 | Cho Chikun | 9p | Iyama Yuta | 4p | W+R | 180 | 2005-09-08 | Agon Cup Japanese, 12th | Semifinal | 93 | Iyama Yuta | 7p | Cho Chikun | 9p | W+6.5 | 240 | 2007-06-21 | Kisei, 32nd | League | 94 | Cho Chikun | 9p | Iyama Yuta | 7p | W+R | 138 | 2008-06-12 | Meijin, 33rd | League | 95 | Iyama Yuta | 8p | Cho Chikun | 9p | W+R | 208 | 2008-07-17 | Judan, 47th | Winners' Section, Round 2 | 96 | Iyama Yuta | 8p | Cho Chikun | 9p | B+R | 119 | 2008-09-11 | Kisei, 33rd | League | 97 | Cho Chikun | 9p | Iyama Yuta | 8p | W+R | 172 | 2009-01-22 | Gosei, 34th | Round 2 | 98 | Cho Chikun | 9p | Iyama Yuta | 8p | W+R | 204 | 2009-04-02 | Meijin, 34th | League | 99 | Cho Chikun | 9p | Iyama Yuta | 8p | B+R | 175 | 2009-06-11 | Kisei, 34th | League | 100 | Cho Chikun | 9p | Iyama Yuta | 8p | W+Time | 154 | 2009-09-12 | Daiwa Cup, 05th | 3 |
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