| # |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
| 1 | Kato Masao | 9p | O Rissei | 9p | W+4.5 | 212 | 1996-06-13 | Meijin, 21st | League, game 27 | | 2 | O Rissei | 9p | Kato Masao | 9p | W+R | 216 | 1997-02-17 | Kakusei, 19th | Semifinal - 2 | | 3 | O Rissei | 9p | Kato Masao | 9p | B+R | 207 | 1997-04-21 | Meijin, 22nd | League, game 19 | | 4 | Kato Masao | 9p | O Rissei | 9p | B+R | 229 | 1997-05-08 | Gosei, 22nd | Semifinal - 2 | | 5 | O Rissei | 9p | Kato Masao | 9p | W+R | 223 | 1997-11-06 | Honinbo, 53rd | League, game 06 | | 6 | Kato Masao | 9p | O Rissei | 9p | W+1 | 235 | 1998-02-19 | Meijin, 23rd | League, game 12 | | 7 | O Rissei | 9p | Kato Masao | 9p | W+5 | 238 | 1998-08-13 | Kisei, 23rd | 1-04 | | 8 | Kato Masao | 9p | O Rissei | 9p | W+0.5 | 251 | 1999-03-15 | Kakusei, 21st | Final | | 9 | Kato Masao | 9p | O Rissei | 9p | B+R | 107 | 1999-06-10 | Meijin, 24th | League, game 25 | | 10 | Kato Masao | 9p | O Rissei | 9p | W+7.5 | 282 | 1999-11-04 | Gosei, 25th | Round 1-6 | | 11 | Kato Masao | 9p | O Rissei | 9p | B+0.5 | 287 | 2000-06-01 | Meijin, 25th | League, game 25 | | 12 | O Rissei | 9p | Kato Masao | 9p | B+2.5 | 227 | 2000-07-20 | Judan, 39th | 1-08 | | 13 | O Rissei | 9p | Kato Masao | 9p | W+0.5 | 273 | 2001-01-05 | Meijin, 26th | League, game 05 | | 14 | O Rissei | 9p | Kato Masao | 9p | W+R | 252 | 2001-05-29 | Ryusei Cup, 10th | Quaterfinal - 3 | | 15 | Kato Masao | 9p | O Rissei | 9p | W+3 | 248 | 2002-07-04 | Meijin, 27th | League, game 31 | | 16 | O Rissei | 9p | Kato Masao | 9p | W+R | 170 | 2003-05-02 | Oza, 51st | 1-07 | | 17 | Kato Masao | 9p | O Rissei | 9p | W+0.5 | 337 | 2003-12-18 | Honinbo, 59th | League, game 13 | | 18 | O Rissei | 9p | Kato Masao | 9p | B+1.5 | 297 | 2004-09-18 | Zhonghuan Cup, 1st | Quaterfinal - 4 | | 19 | Kato Masao | 9p | Ogaki Yusaku | 9p | B+4,5 | 257 | 2002-04-29 | Ryusei Cup, 11th | 1/8 Final - 1 | | 20 | Kato Masao | 5p | Ohira Shuzo | 9p | W+4.5 | 307 | 1968-02-15 | Honinbo, 23rd | League, game 34 | | 21 | Kato Masao | 8p | Ohira Shuzo | 9p | B+R | 199 | 1973-12-18 | Nihon Ki-in Championship, 21st | Final | | 22 | Ohira Shuzo | 9p | Kato Masao | 8p | W+R | 152 | 1974-08-01 | Nihon Ki-in Championship, 22nd | 1/8 Final - 4 | | 23 | Ohira Shuzo | 9p | Kato Masao | 8p | W+1.5 | 253 | 1976-04-25 | Honinbo, 31st | League, game 27 | | 24 | Ohira Shuzo | 9p | Kato Masao | 8p | W+R | 222 | 1976-05-08 | Kisei, 01st | Strongest Player Semifinal | | 25 | Kato Masao | 9p | Ohira Shuzo | 9p | B+R | 191 | 1978-10-05 | Tengen, 04th | Quaterfinal - 4 | | 26 | Ohira Shuzo | 9p | Kato Masao | 9p | W+0.5 | 243 | 1988-05-05 | Tengen, 14th | 1-15 | | 27 | Ohira Shuzo | 9p | Kato Masao | 9p | B+R | 133 | 1990-07-23 | IBM Lightning Go Championship, 3rd | Quaterfinal | | 28 | Ohira Shuzo | 9p | Kato Masao | 9p | W+R | 142 | 1991-04-11 | Tengen, 17th | 1-15 | | 29 | Kato Masao | 9p | Ohira Shuzo | 9p | W+1 | 314 | 1991-09-19 | Kisei, 16th | Challengers' Quarter-Final | | 30 | Ohira Shuzo | 9p | Kato Masao | 9p | W+2 | 237 | 1992-10-22 | Meijin, 18th | Qualifications, Group 1, Final | | 31 | Kato Masao | 9p | Ohira Shuzo | 9p | B+R | 195 | 1992-12-17 | Fujitsu Cup, 06th | Preliminaries | | 32 | Oishi Masaru | 5p | Kato Masao | 9p | W+R | 114 | 1985-01-01 | | | | 33 | Okumura Hideo | 7p | Kato Masao | 9p | W+R | 122 | 1986-06-19 | Tengen, 11th | 2-6 | | 34 | Onda Yasuhiko | 7p | Kato Masao | 9p | W+R | 216 | 1993-01-25 | Fujitsu Cup, 06th | Preliminaries | | 35 | Otake Hideo | 9p | Kato Masao | 6p | W+R | 144 | 1970-01-01 | Pro Best Ten, 07th | Semifinal | | 36 | Kato Masao | 7p | Otake Hideo | 9p | W+R | 222 | 1971-07-29 | All-Japan First Place Championship, 2nd | Title match, game 1 | | 37 | Otake Hideo | 9p | Kato Masao | 7p | B+R | 185 | 1971-08-10 | All-Japan First Place Championship, 2nd | Title match, game 2 | | 38 | Kato Masao | 8p | Otake Hideo | 9p | W+R | 130 | 1974-08-21 | Nihon Ki-in Championship, 22nd | Quaterfinal - 2 | | 39 | Kato Masao | 7p | Otake Hideo | 9p | W+R | 174 | 1975-05-22 | Oza, 23rd | 1-03 | | 40 | Otake Hideo | 9p | Kato Masao | 8p | W+1.5 | 233 | 1976-03-25 | Gosei, 01st | Title match, game 1 | | 41 | Kato Masao | 8p | Otake Hideo | 9p | W+R | 164 | 1976-04-12 | Gosei, 01st | Title match, game 2 | | 42 | Otake Hideo | 9p | Kato Masao | 8p | W+R | 208 | 1976-04-21 | Gosei, 01st | Title match, game 3 | | 43 | Kato Masao | 8p | Otake Hideo | 9p | W+4.5 | 251 | 1976-05-04 | Gosei, 01st | Title match, game 4 | | 44 | Kato Masao | 8p | Otake Hideo | 9p | B+R | 187 | 1976-05-18 | Gosei, 01st | Title match, game 5 | | 45 | Kato Masao | 8p | Otake Hideo | 9p | B+1 | 215 | 1977-04-07 | Honinbo, 32nd | League, game 28 | | 46 | Kato Masao | 8p | Otake Hideo | 9p | B+R | 249 | 1977-04-28 | Honinbo, 32nd | Challengers' playoff | | 47 | Kato Masao | 8p | Otake Hideo | 9p | B+R | 199 | 1977-11-17 | Kisei, 02nd | Semifinal - 1 | | 48 | Otake Hideo | 9p | Kato Masao | 8p | W+R | 172 | 1978-02-02 | Meijin, 03rd | League, game 09 | | 49 | Otake Hideo | 9p | Kato Masao | 9p | B+2.5 | 259 | 1978-07-05 | Gosei, 03rd | Title match, game 1 | | 50 | Kato Masao | 9p | Otake Hideo | 9p | W+3.5 | 264 | 1978-07-21 | Gosei, 03rd | Title match, game 2 | | 51 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 226 | 1978-08-17 | Gosei, 03rd | Title match, game 3 | | 52 | Kato Masao | 9p | Otake Hideo | 9p | W+1.5 | 229 | 1978-08-23 | Gosei, 03rd | Title match, game 4 | | 53 | Kato Masao | 9p | Otake Hideo | 9p | W+3.5 | 242 | 1978-08-26 | Meijin, 03rd | playoff, 1 | | 54 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 152 | 1978-11-16 | Kisei, 03rd | Quaterfinal - 4 | | 55 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 200 | 1979-07-05 | Oza, 27th | 2-1 | | 56 | Kato Masao | 9p | Otake Hideo | 9p | W+4.5 | 246 | 1980-03-05 | Judan, 18th | Title match, game 1 | | 57 | Otake Hideo | 9p | Kato Masao | 9p | B+2.5 | 260 | 1980-03-12 | Judan, 18th | Title match, game 2 | | 58 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 207 | 1980-04-01 | Judan, 18th | Title match, game 3 | | 59 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 220 | 1980-04-09 | Judan, 18th | Title match, game 4 | | 60 | Kato Masao | 9p | Otake Hideo | 9p | W+0.5 | 223 | 1980-04-14 | Judan, 18th | Title match, game 5 | | 61 | Otake Hideo | 9p | Kato Masao | 9p | B+7.5 | 224 | 1981-07-01 | Meijin, 06th | League | | 62 | Kato Masao | 9p | Otake Hideo | 9p | W+6.5 | 238 | 1981-07-08 | Gosei, 06th | Title match, game 1 | | 63 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 163 | 1981-07-16 | Gosei, 06th | Title match, game 2 | | 64 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 197 | 1981-07-28 | Gosei, 06th | 3 | | 65 | Otake Hideo | 9p | Kato Masao | 9p | W+2.5 | 264 | 1981-08-03 | Gosei, 06th | Title match, game 6 | | 66 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 173 | 1981-09-12 | Meijin, 07th | League, game 04 | | 67 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 211 | 1982-01-23 | NEC Cup, 01st | Semifinal | | 68 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 158 | 1982-12-23 | Judan, 21st | Winners' Section, Final | | 69 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 217 | 1983-02-20 | Kakusei, 05th | Final group | | 70 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 142 | 1983-06-08 | Meijin, 08th | League, game 26 | | 71 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 226 | 1983-10-27 | Oza, 31st | Title match, game 1 | | 72 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 201 | 1983-11-03 | Kisei, 08th | Quaterfinal - 4 | | 73 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 119 | 1983-11-09 | Oza, 31st | Title match, game 2 | | 74 | Otake Hideo | 9p | Kato Masao | 9p | B+2 | 235 | 1984-03-18 | Kakusei, 06th | Final | | 75 | Kato Masao | 9p | Otake Hideo | 9p | W+0.5 | 198 | 1984-04-26 | Meijin, 09th | League, game 20 | | 76 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 223 | 1984-07-05 | Gosei, 09th | Title match, game 1 | | 77 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 169 | 1984-07-19 | Gosei, 09th | Title match, game 2 | | 78 | Otake Hideo | 9p | Kato Masao | 9p | B+0.5 | 260 | 1984-07-31 | Gosei, 09th | Title match, game 3 | | 79 | Kato Masao | 9p | Otake Hideo | 9p | W+0.5 | 205 | 1984-08-15 | Gosei, 09th | Title match, game 4 | | 80 | Kato Masao | 9p | Otake Hideo | 9p | W+1.5 | 233 | 1984-08-30 | Tengen, 10th | Round 3 | | 81 | Otake Hideo | 9p | Kato Masao | 9p | B+2.5 | 247 | 1984-11-01 | Kisei, 09th | preliminary round | | 82 | Otake Hideo | 9p | Kato Masao | 9p | B+2.5 | 232 | 1985-07-11 | Meijin, 10th | League, game 31 | | 83 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 211 | 1986-01-21 | Kakusei, 08th | F | | 84 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 182 | 1986-05-15 | Meijin, 11th | League, game 22 | | 85 | Otake Hideo | 9p | Kato Masao | 9p | B+3.5 | 246 | 1986-10-20 | Kisei, 11th | Quaterfinal - 4 | | 86 | Kato Masao | 9p | Otake Hideo | 9p | B+3.5 | 219 | 1986-10-23 | Judan, 25th | Winners' Section, 2-4 | | 87 | Kato Masao | 9p | Otake Hideo | 9p | W+6.5 | 234 | 1987-02-12 | Honinbo, 42nd | League, game 18 | | 88 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 212 | 1987-12-03 | Kisei, 12th | Challengers' playoff, game 1 | | 89 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 159 | 1987-12-10 | Kisei, 12th | Challengers' playoff, game 2 | | 90 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 175 | 1988-02-10 | Honinbo, 43rd | League, game 17 | | 91 | Kato Masao | 9p | Otake Hideo | 9p | W+0.5 | 240 | 1988-10-31 | Honinbo, 44th | League, game 04 | | 92 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 229 | 1989-02-28 | NHK Cup, 37th | Quaterfinal - 3 | | 93 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 225 | 1989-09-14 | Kisei, 14th | Quaterfinal - 1 | | 94 | Kato Masao | 9p | Otake Hideo | 9p | W+2.5 | 238 | 1990-04-19 | Meijin, 15th | League, game 19 | | 95 | Otake Hideo | 5p | Kato Masao | 9p | W+R | 144 | 1991-01-09 | Gosei, 16th | 1 | | 96 | Kato Masao | 9p | Otake Hideo | 9p | W+3 | 279 | 1991-03-04 | Kakusei, 13th | Semifinal | | 97 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 162 | 1991-03-09 | NEC Cup, 10th | Final | | 98 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 184 | 1991-12-07 | NEC Cup, 11th | Quaterfinal | | 99 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 96 | 1992-01-09 | Honinbo, 47th | League, game 14 | | 100 | Otake Hideo | 9p | Kato Masao | 9p | B+2.5 | 285 | 1993-04-29 | Meijin, 18th | League, game 20 |
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