# |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
1 | Iwata Tatsuaki | 9p | Akiyama Jiro | 7p | W+3 | 235 | 2002-05-30 | Tengen, 28th | Quaterfinal - 1 | 2 | Aragaki Takeshi | 7p | Iwata Tatsuaki | 9p | B+1.5 | 274 | 1987-10-29 | Gosei, 13th | Round 1-7 | 3 | Iwata Tatsuaki | 9p | Awaji Shuzo | 8p | B+R | 160 | 1982-10-21 | Honinbo, 38th | League, game 04 | 4 | Awaji Shuzo | 8p | Iwata Tatsuaki | 8p | W+R | 194 | 1983-05-05 | Honinbo, 38th | League, game 28 | 5 | Iwata Tatsuaki | 9p | Awaji Shuzo | 8p | W+R | 228 | 1984-01-12 | Honinbo, 39th | League, game 13 | 6 | Iwata Tatsuaki | 9p | Awaji Shuzo | 9p | W+R | 216 | 1984-12-13 | Honinbo, 40th | League, game 09 | 7 | Iwata Tatsuaki | 9p | Awaji Shuzo | 9p | W+5 | 297 | 1992-06-04 | Meijin, 17th | League, game 25 | 8 | Iwata Tatsuaki | 9p | Baba Shigeru | 7p | B+R | 101 | 1979-10-23 | Okan Sen, 21st | Final | 9 | Chen Zude | 5p ? | Iwata Tatsuaki | 9p | W+2 | 224 | 1965-10-15 | China-Japan Go Exchange, 1965 | | 10 | Chen Zude | 5p ? | Iwata Tatsuaki | 9p | B+10 | 296 | 1965-10-25 | China-Japan Go Exchange, 1965 | | 11 | Chen Zude | 5p ? | Iwata Tatsuaki | 9p | B+5,3 | 265 | 1978-06-24 | China-Japan Go Exchange, 06th | | 12 | Chino Tadahiko | 5p | Iwata Tatsuaki | 8p | B+R | 215 | 1964-04-16 | Oteai, 1964 | | 13 | Iwata Tatsuaki | 9p | Cho Chikun | 2p | B+R | 149 | 1969-09-25 | Pro Best Ten, 06th | Preliminaries | 14 | Cho Chikun | 7p | Iwata Tatsuaki | 9p | B+R | 125 | 1977-10-27 | Meijin, 03rd | Preliminaries | 15 | Cho Chikun | 9p | Iwata Tatsuaki | 9p | W+R | 154 | 1983-11-10 | Honinbo, 39th | League, game 05 | 16 | Cho Chikun | 9p | Iwata Tatsuaki | 9p | B+R | 199 | 1985-09-05 | Honinbo, 40th | League-entry preliminary, final | 17 | Iwata Tatsuaki | 9p | Cho Chikun | 9p | W+4.5 | 262 | 1992-07-02 | Meijin, 17th | League, game 30 | 18 | Iwata Tatsuaki | 8p | Fujisawa Hideyuki | 8p | W+R | 150 | 1962-01-31 | Meijin Old, 01st | League | 19 | Iwata Tatsuaki | 8p | Fujisawa Hideyuki | 8p | Jigo | 226 | 1962-10-11 | Oteai, 1962 | | 20 | Iwata Tatsuaki | 9p | Fujisawa Hideyuki | 9p | B+R | 175 | 1970-04-02 | Honinbo, 25th | League | 21 | Iwata Tatsuaki | 9p | Fujisawa Hideyuki | 9p | W+R | 178 | 1975-07-31 | Judan, 14th | Losers' Section, Round 1 | 22 | Iwata Tatsuaki | 9p | Fujisawa Hideyuki | 9p | B+1.5 | 246 | 1982-11-18 | Honinbo, 38th | League, game 07 | 23 | Iwata Tatsuaki | 9p | Fujisawa Hideyuki | 9p | B+3.5 | 262 | 1992-01-16 | Meijin, 17th | League, game 06 | 24 | Iwata Tatsuaki | 7p | Fujisawa Hosai | 9p | W+7 | 288 | 1960-03-17 | Saikyo Tournament, 06th | Preliminaries | 25 | Iwata Tatsuaki | 7p | Fujisawa Hosai | 9p | B+5 | 263 | 1961-03-22 | Meijin Old, 01st | League | 26 | Fukui Masaaki | 8p | Iwata Tatsuaki | 9p | W+R | 102 | 1986-03-06 | Oza, 34th | Round 1-1 | 27 | Iwata Tatsuaki | 6p | Go Seigen | 9p | B+3 | 257 | 1956-10-19 | "Go 9-dan versus Promising Newcomers" series sponsored by Yomiuri Shinbun | game 05 | 28 | Go Seigen | 9p | Iwata Tatsuaki | 6p | B+R | 191 | 1958-07-18 | Saikyo Tournament, 02nd | Round 2 of 10 | 29 | Iwata Tatsuaki | 6p | Go Seigen | 9p | W+R | 178 | 1959-03-19 | Saikyo Tournament, 02nd | 6 | 30 | Go Seigen | 9p | Iwata Tatsuaki | 7p | B+6 | 258 | 1960-01-24 | Strongest Player, 03rd | 2 | 31 | Iwata Tatsuaki | 7p | Go Seigen | 9p | Jigo | 236 | 1960-08-31 | Strongest Player, 03rd | League | 32 | Go Seigen | 9p | Iwata Tatsuaki | 8p | B+R | 181 | 1961-12-21 | Meijin Old, 01st | League, game 06 | 33 | Handa Dogen | 9p | Iwata Tatsuaki | 7p | B+R | 175 | 1961-03-10 | Meijin Old, 01st | League | 34 | Iwata Tatsuaki | 8p | Handa Dogen | 9p | W+3.5 | 283 | 1963-03-14 | Judan, 02nd | Winners' Section, Round 2 | 35 | Hane Yasumasa | 8p | Iwata Tatsuaki | 9p | W+2.5 | 267 | 1974-07-04 | Oza, 22nd | 1-05 | 36 | Iwata Tatsuaki | 9p | Hane Yasumasa | 0-kan | B+5.5 | 265 | 1979-10-11 | Okan Sen, 20th | 1 | 37 | Hane Yasumasa | 9p | Iwata Tatsuaki | 9p | W+0.5 | 283 | 1982-09-09 | Honinbo, 38th | Preliminary, Group 1, Final game | 38 | Hane Yasumasa | 9p | Iwata Tatsuaki | 9p | B+R | 215 | 1982-09-16 | Okan Sen, 23rd | 4 | 39 | Hane Yasumasa | 9p | Iwata Tatsuaki | 9p | B+R | 141 | 1983-10-12 | Okan Sen, 24th | 4 | 40 | Iwata Tatsuaki | 9p | Hane Yasumasa | 9p | B+0.5 | 301 | 1985-10-31 | Okan Sen, 26th | 4 | 41 | Iwata Tatsuaki | 9p | Hane Yasumasa | 9p | W+R | 188 | 1986-08-07 | Okan Sen, 27th | 3 | 42 | Iwata Tatsuaki | 9p | Hane Yasumasa | 9p | W+R | 188 | 1987-04-16 | Okan Sen, 28th | 3 | 43 | Iwata Tatsuaki | 9p | Hane Yasumasa | 9p | B+3.5 | 212 | 1989-10-05 | Okan Sen, 30th | 4 | 44 | Hasegawa Sunao | 6p | Iwata Tatsuaki | 9p | B+2 | 265 | 1978-11-29 | Gosei, 05th | 1-06 | 45 | Hashimoto Shoji | 9p | Iwata Tatsuaki | 8p | B+2 | 270 | 1962-01-11 | Meijin Old, 01st | League | 46 | Hashimoto Shoji | 9p | Iwata Tatsuaki | 8p | W+4.5 | 251 | 1962-12-27 | Judan, 02nd | 1 | 47 | Hashimoto Shoji | 9p | Iwata Tatsuaki | 9p | B+3 | 247 | 1982-04-29 | Honinbo, 37th | League, game 27 | 48 | Iwata Tatsuaki | 9p | Hashimoto Shoji | 9p | B+1 | 246 | 1983-03-03 | Honinbo, 38th | League, game 22 | 49 | Hashimoto Shoji | 9p | Iwata Tatsuaki | 9p | W+2.5 | 261 | 1983-04-21 | Honinbo, 38th | League, game 27 | 50 | Iwata Tatsuaki | 8p | Hashimoto Utaro | 9p | W+2 | 200 | 1962-01-03 | Meijin Old, 01st | League | 51 | Iwata Tatsuaki | 8p | Hashimoto Utaro | 9p | W+4.5 | 223 | 1962-07-26 | Judan, 01st | Losers' Section, Semifinal | 52 | Iwata Tatsuaki | 8p | Hashimoto Utaro | 9p | B+R | 219 | 1964-02-13 | Honinbo, 19th | League | 53 | Hashimoto Utaro | 9p | Iwata Tatsuaki | 9p | B+6.5 | 248 | 1970-07-05 | Tatsujin Cup, 1st | 1 | 54 | Iwata Tatsuaki | 9p | Hashimoto Utaro | 9p | W+1 | 267 | 1982-04-03 | Honinbo, 37th | League, game 19 | 55 | Hashimoto Yoshimi | 6p | Iwata Tatsuaki | 8p | B+6 | 254 | 1962-05-31 | Oteai, 1962 | | 56 | Hashimoto Yoshimi | 9p | Iwata Tatsuaki | 9p | B+6.5 | 254 | 1975-01-30 | Tengen, 01st | 1-01 | 57 | Hashimoto Yoshimi | 9p | Iwata Tatsuaki | 9p | B+0.5 | 302 | 1978-02-02 | Tengen, 04th | 1-04 | 58 | Hayashi Yutaro | 7p | Iwata Tatsuaki | 8p | B+R | 203 | 1962-11-15 | Oteai, 1962 | | 59 | Iwata Tatsuaki | 9p | Hikosaka Naoto | 6p | B+R | 171 | 1985-06-27 | Okan Sen, 26th | 2 | 60 | Hikosaka Naoto | 9p | Iwata Tatsuaki | 9p | B+R | 201 | 2008-11-20 | | | 61 | Iwata Tatsuaki | 9p | Hiroe Katsuhiko | 7p | B+R | 143 | 1982-05-27 | Okan Sen, 23rd | 2 | 62 | Hisai Keishi | 7p | Iwata Tatsuaki | 8p | W+R | 170 | 1963-05-30 | Oteai, 1963 | | 63 | Honda Kunihisa | 9p | Iwata Tatsuaki | 9p | W+R | 138 | 1982-04-11 | Judan, 21st | Losers' Section, 2-4 | 64 | Iwata Tatsuaki | 7p | Hosokawa Senjin | 8p | B+4,5 | 302 | 1961-09-27 | Judan, 01st | Preliminary, 3rd round | 65 | Hotta Seiji | 4p | Iwata Tatsuaki | 9p | B+0.5 | 246 | 1989-12-21 | Okan Sen, 31st | 1 | 66 | Imamura Yoshiaki | 6p | Iwata Tatsuaki | 9p | B+R | 209 | 1991-02-28 | Okan Sen, 31st | 4 | 67 | Iwata Tatsuaki | 9p | Imamura Yoshiaki | 7p | W+R | 208 | 1991-12-19 | Okan Sen, 33rd | 1 | 68 | Inagaki Koichi | 7p | Iwata Tatsuaki | 9p | W+R | 166 | 1983-03-31 | Okan Sen, 24th | 2 | 69 | Iwata Tatsuaki | 9p | Inagaki Koichi | 8p | B+R | 249 | 1987-02-26 | Okan Sen, 28th | 2 | 70 | Inagaki Koichi | 8p | Iwata Tatsuaki | 9p | W+3.5 | 246 | 1989-04-20 | Okan Sen, 30th | 2 | 71 | Iwata Tatsuaki | 9p | Ishida Yoshio | 7p | W+0.5 | 265 | 1972-03-22 | Pro Best Ten, 09th | Title match, game 1 | 72 | Ishida Yoshio | 7p | Iwata Tatsuaki | 9p | W+R | 194 | 1972-03-28 | Pro Best Ten, 09th | Title match, game 2 | 73 | Iwata Tatsuaki | 9p | Ishida Yoshio | 7p | W+3.5 | 308 | 1972-04-12 | Pro Best Ten, 09th | Title match, game 3 | 74 | Ishida Yoshio | 7p | Iwata Tatsuaki | 9p | B+3.5 | 234 | 1972-04-24 | Pro Best Ten, 09th | Title match, game 4 | 75 | Iwata Tatsuaki | 9p | Ishida Yoshio | 9p | B+R | 154 | 1974-08-01 | Judan, 13th | Winners' Section, Round 1 | 76 | Iwata Tatsuaki | 9p | Ishida Yoshio | 9p | B+R | 179 | 1982-11-25 | Judan, 21st | Losers' Section, 3-2 | 77 | Isogawa Masao | 7p | Iwata Tatsuaki | 8p | B+R | 229 | 1963-04-18 | Oteai, 1963 | | 78 | Iwata Tatsuaki | 9p | Iyama Yuta | 7p | W+R | 194 | 2007-06-14 | Honinbo, 63rd | Last primary tournament | 79 | Kada Katsuji | 8p | Iwata Tatsuaki | 8p | W+5 | 228 | 1962-11-22 | Oteai, 1962 | | 80 | Kada Katsuji | 9p | Iwata Tatsuaki | 9p | W+3.5 | 295 | 1984-07-26 | Judan, 23rd | Losers' Section, Round 1 | 81 | Kada Katsuji | 9p | Iwata Tatsuaki | 9p | B+5.5 | 244 | 1985-04-18 | Honinbo, 40th | League, game 27 | 82 | Kajiwara Takeo | 8p | Iwata Tatsuaki | 8p | W+8 | 317 | 1963-11-14 | Oteai, 1963 | | 83 | Kajiwara Takeo | 9p | Iwata Tatsuaki | 9p | W+R | 228 | 1963-12-12 | Honinbo, 19th | League, game 02 | 84 | Iwata Tatsuaki | 9p | Kajiwara Takeo | 9p | W+3 | 242 | 1983-08-18 | Judan, 22nd | Winners' Section, Quaterfinal - 3 | 85 | Iwata Tatsuaki | 9p | Kajiwara Takeo | 9p | W+R | 176 | 1996-07-01 | Ryusei Cup, 05th | Quaterfinal - 2 | 86 | Iwata Tatsuaki | 8p | Kano Yoshinori | 7p | B+R | 171 | 1962-06-27 | Judan, 01st | Losers' Section, Round 2 | 87 | Kano Yoshinori | 9p | Iwata Tatsuaki | 9p | B+0.5 | 243 | 1969-11-20 | Honinbo, 25th | League, game 01 | 88 | Iwata Tatsuaki | 9p | Kataoka Satoshi | 7p | B+R | 187 | 1984-11-08 | Honinbo, 40th | League | 89 | Iwata Tatsuaki | 9p | Kato Masao | 8p | B+R | 143 | 1974-07-11 | Judan, 13th | 1-06 | 90 | Kato Masao | 9p | Iwata Tatsuaki | 9p | W+4.5 | 264 | 1981-05-14 | Judan, 20th | Winners' Section, Round 1 | 91 | Iwata Tatsuaki | 9p | Kato Masao | 9p | B+3.5 | 274 | 1981-12-24 | Honinbo, 37th | League, game 06 | 92 | Kato Masao | 9p | Iwata Tatsuaki | 9p | B+R | 197 | 1984-02-23 | Gosei, 09th | Round 2 | 93 | Iwata Tatsuaki | 9p | Kato Masao | 9p | W+9.5 | 250 | 1984-06-28 | Judan, 23rd | Winners' Section, Round 1 | 94 | Iwata Tatsuaki | 9p | Kato Masao | 9p | W+R | 160 | 1997-04-24 | Gosei, 22nd | Quaterfinal - 2 | 95 | Iwata Tatsuaki | 9p | Kitamura Hiroshi | 6p | B+1.5 | 274 | 1982-02-18 | Tengen, 08th | 1-01 | 96 | Iwata Tatsuaki | 6p | Kitani Minoru | 9p | W+R | 238 | 1959-01-08 | Nihon Ki-in Championship, 07th | | 97 | Kitani Minoru | 9p | Iwata Tatsuaki | 7p | B+4 | 244 | 1961-07-27 | Meijin Old, 01st | League | 98 | Iwata Tatsuaki | 9p | Kobayashi Koichi | 8p | W+5.5 | 282 | 1979-05-17 | Oza, 27th | 1-02 | 99 | Iwata Tatsuaki | 9p | Kobayashi Koichi | 9p | W+6 | 222 | 1981-12-16 | Honinbo, 37th | League, game 04 | 100 | Iwata Tatsuaki | 9p | Kobayashi Koichi | 9p | W+0.5 | 269 | 1983-01-13 | Judan, 21st | Losers' Section, Semifinal - 1 |
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