# |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
1 | O Meien | 9p | Kato Masao | 9p | B+2 | 281 | 2002-08-15 | Oza, 50th | Final | 2 | O Meien | 9p | Kato Masao | 9p | B+R | 193 | 2003-10-16 | Judan, 42nd | Losers' Section, 3-1 | 3 | Kato Masao | 9p | O Meien | 9p | W+11 | 291 | 2004-01-15 | Honinbo, 59th | League, game 16 | 4 | Kato Masao | 9p | O Rissei | 7p | B+1 | 260 | 1982-09-30 | Oza, 30th | Challengers' playoff | 5 | O Rissei | 7p | Kato Masao | 9p | W+4.5 | 297 | 1985-01-17 | Tengen, 11th | Preliminaries | 6 | O Rissei | 8p | Kato Masao | 9p | W+5 | 279 | 1987-03-12 | Honinbo, 42nd | League, game 22 | 7 | Kato Masao | 9p | O Rissei | 9p | B+R | 261 | 1988-03-20 | NHK Cup, 34th | Final | 8 | Kato Masao | 9p | O Rissei | 9p | B+R | 187 | 1991-08-22 | Kisei, 16th | 1 | 9 | O Rissei | 9p | Kato Masao | 9p | B+R | 268 | 1991-09-12 | Tengen, 17th | Challengers' SemiFinal - 2 | 10 | Kato Masao | 9p | O Rissei | 9p | W+R | 196 | 1992-09-27 | Haya-go Senshuken, 25th | Semifinal - 1 | 11 | O Rissei | 9p | Kato Masao | 9p | W+R | 204 | 1992-10-01 | Kisei, 17th | Semifinal - 1 | 12 | O Rissei | 9p | Kato Masao | 9p | B+R | 173 | 1993-03-22 | Kakusei, 15th | Final | 13 | Kato Masao | 9p | O Rissei | 9p | W+6.5 | 288 | 1993-09-30 | Judan, 32nd | Winners' Section, Semifinal - 2 | 14 | Kato Masao | 9p | O Rissei | 9p | B+R | 331 | 1994-07-14 | Tengen, 20th | 1/8 Final - 7 | 15 | O Rissei | 9p | Kato Masao | 9p | W+R | 156 | 1994-09-18 | Haya-go Senshuken, 26th | Semifinal - 1 | 16 | Kato Masao | 9p | O Rissei | 9p | B+R | 211 | 1995-02-02 | Honinbo, 50th | League, game 16 | 17 | O Rissei | 9p | Kato Masao | 9p | B+4,5 | 226 | 1995-02-23 | Meijin, 20th | League, game 11 | 18 | Kato Masao | 9p | O Rissei | 9p | W+2.5 | 296 | 1995-10-26 | Gosei, 21st | 2-2 | 19 | Kato Masao | 9p | O Rissei | 9p | W+R | 126 | 1995-12-14 | Judan, 34th | Losers' Section, 3-2 | 20 | O Rissei | 9p | Kato Masao | 9p | B+9 | 241 | 1996-01-25 | Honinbo, 51st | League, game 15 | 21 | Kato Masao | 9p | O Rissei | 9p | W+4.5 | 212 | 1996-06-13 | Meijin, 21st | League, game 27 | 22 | O Rissei | 9p | Kato Masao | 9p | W+R | 216 | 1997-02-17 | Kakusei, 19th | Semifinal - 2 | 23 | O Rissei | 9p | Kato Masao | 9p | B+R | 207 | 1997-04-21 | Meijin, 22nd | League, game 19 | 24 | Kato Masao | 9p | O Rissei | 9p | B+R | 229 | 1997-05-08 | Gosei, 22nd | Semifinal - 2 | 25 | O Rissei | 9p | Kato Masao | 9p | W+R | 223 | 1997-11-06 | Honinbo, 53rd | League, game 06 | 26 | Kato Masao | 9p | O Rissei | 9p | W+1 | 235 | 1998-02-19 | Meijin, 23rd | League, game 12 | 27 | O Rissei | 9p | Kato Masao | 9p | W+5 | 238 | 1998-08-13 | Kisei, 23rd | 1-04 | 28 | Kato Masao | 9p | O Rissei | 9p | W+0.5 | 251 | 1999-03-15 | Kakusei, 21st | Final | 29 | Kato Masao | 9p | O Rissei | 9p | B+R | 107 | 1999-06-10 | Meijin, 24th | League, game 25 | 30 | Kato Masao | 9p | O Rissei | 9p | W+7.5 | 282 | 1999-11-04 | Gosei, 25th | Round 1-6 | 31 | Kato Masao | 9p | O Rissei | 9p | B+0.5 | 287 | 2000-06-01 | Meijin, 25th | League, game 25 | 32 | O Rissei | 9p | Kato Masao | 9p | B+2.5 | 227 | 2000-07-20 | Judan, 39th | 1-08 | 33 | O Rissei | 9p | Kato Masao | 9p | W+0.5 | 273 | 2001-01-05 | Meijin, 26th | League, game 05 | 34 | O Rissei | 9p | Kato Masao | 9p | W+R | 252 | 2001-05-29 | Ryusei Cup, 10th | Quaterfinal - 3 | 35 | Kato Masao | 9p | O Rissei | 9p | W+3 | 248 | 2002-07-04 | Meijin, 27th | League, game 31 | 36 | O Rissei | 9p | Kato Masao | 9p | W+R | 170 | 2003-05-02 | Oza, 51st | 1-07 | 37 | Kato Masao | 9p | O Rissei | 9p | W+0.5 | 337 | 2003-12-18 | Honinbo, 59th | League, game 13 | 38 | O Rissei | 9p | Kato Masao | 9p | B+1.5 | 297 | 2004-09-18 | Zhonghuan Cup, 1st | Quaterfinal - 4 | 39 | Kato Masao | 9p | Ogaki Yusaku | 9p | B+4,5 | 257 | 2002-04-29 | Ryusei Cup, 11th | 1/8 Final - 1 | 40 | Kato Masao | 5p | Ohira Shuzo | 9p | W+4.5 | 307 | 1968-02-15 | Honinbo, 23rd | League, game 34 | 41 | Kato Masao | 8p | Ohira Shuzo | 9p | B+R | 199 | 1973-12-18 | Nihon Ki-in Championship, 21st | Final | 42 | Ohira Shuzo | 9p | Kato Masao | 8p | W+R | 152 | 1974-08-01 | Nihon Ki-in Championship, 22nd | 1/8 Final - 4 | 43 | Ohira Shuzo | 9p | Kato Masao | 8p | W+1.5 | 253 | 1976-04-25 | Honinbo, 31st | League, game 27 | 44 | Ohira Shuzo | 9p | Kato Masao | 8p | W+R | 222 | 1976-05-08 | Kisei, 01st | Strongest Player Semifinal | 45 | Kato Masao | 9p | Ohira Shuzo | 9p | B+R | 191 | 1978-10-05 | Tengen, 04th | Quaterfinal - 4 | 46 | Ohira Shuzo | 9p | Kato Masao | 9p | W+0.5 | 243 | 1988-05-05 | Tengen, 14th | 1-15 | 47 | Ohira Shuzo | 9p | Kato Masao | 9p | B+R | 133 | 1990-07-23 | IBM Lightning Go Championship, 3rd | Quaterfinal | 48 | Ohira Shuzo | 9p | Kato Masao | 9p | W+R | 142 | 1991-04-11 | Tengen, 17th | 1-15 | 49 | Kato Masao | 9p | Ohira Shuzo | 9p | W+1 | 314 | 1991-09-19 | Kisei, 16th | Challengers' Quarter-Final | 50 | Ohira Shuzo | 9p | Kato Masao | 9p | W+2 | 237 | 1992-10-22 | Meijin, 18th | Qualifications, Group 1, Final | 51 | Kato Masao | 9p | Ohira Shuzo | 9p | B+R | 195 | 1992-12-17 | Fujitsu Cup, 06th | Preliminaries | 52 | Oishi Masaru | 5p | Kato Masao | 9p | W+R | 114 | 1985-01-01 | | | 53 | Okumura Hideo | 7p | Kato Masao | 9p | W+R | 122 | 1986-06-19 | Tengen, 11th | 2-6 | 54 | Onda Yasuhiko | 7p | Kato Masao | 9p | W+R | 216 | 1993-01-25 | Fujitsu Cup, 06th | Preliminaries | 55 | Otake Hideo | 9p | Kato Masao | 6p | W+R | 144 | 1970-01-01 | Pro Best Ten, 07th | Semifinal | 56 | Kato Masao | 7p | Otake Hideo | 9p | W+R | 222 | 1971-07-29 | All-Japan First Place Championship, 2nd | Title match, game 1 | 57 | Otake Hideo | 9p | Kato Masao | 7p | B+R | 185 | 1971-08-10 | All-Japan First Place Championship, 2nd | Title match, game 2 | 58 | Kato Masao | 8p | Otake Hideo | 9p | W+R | 130 | 1974-08-21 | Nihon Ki-in Championship, 22nd | Quaterfinal - 2 | 59 | Kato Masao | 7p | Otake Hideo | 9p | W+R | 174 | 1975-05-22 | Oza, 23rd | 1-03 | 60 | Otake Hideo | 9p | Kato Masao | 8p | W+1.5 | 233 | 1976-03-25 | Gosei, 01st | Title match, game 1 | 61 | Kato Masao | 8p | Otake Hideo | 9p | W+R | 164 | 1976-04-12 | Gosei, 01st | Title match, game 2 | 62 | Otake Hideo | 9p | Kato Masao | 8p | W+R | 208 | 1976-04-21 | Gosei, 01st | Title match, game 3 | 63 | Kato Masao | 8p | Otake Hideo | 9p | W+4.5 | 251 | 1976-05-04 | Gosei, 01st | Title match, game 4 | 64 | Kato Masao | 8p | Otake Hideo | 9p | B+R | 187 | 1976-05-18 | Gosei, 01st | Title match, game 5 | 65 | Kato Masao | 8p | Otake Hideo | 9p | B+1 | 215 | 1977-04-07 | Honinbo, 32nd | League, game 28 | 66 | Kato Masao | 8p | Otake Hideo | 9p | B+R | 249 | 1977-04-28 | Honinbo, 32nd | Challengers' playoff | 67 | Kato Masao | 8p | Otake Hideo | 9p | B+R | 199 | 1977-11-17 | Kisei, 02nd | Semifinal - 1 | 68 | Otake Hideo | 9p | Kato Masao | 8p | W+R | 172 | 1978-02-02 | Meijin, 03rd | League, game 09 | 69 | Otake Hideo | 9p | Kato Masao | 9p | B+2.5 | 259 | 1978-07-05 | Gosei, 03rd | Title match, game 1 | 70 | Kato Masao | 9p | Otake Hideo | 9p | W+3.5 | 264 | 1978-07-21 | Gosei, 03rd | Title match, game 2 | 71 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 226 | 1978-08-17 | Gosei, 03rd | Title match, game 3 | 72 | Kato Masao | 9p | Otake Hideo | 9p | W+1.5 | 229 | 1978-08-23 | Gosei, 03rd | Title match, game 4 | 73 | Kato Masao | 9p | Otake Hideo | 9p | W+3.5 | 242 | 1978-08-26 | Meijin, 03rd | playoff, 1 | 74 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 152 | 1978-11-16 | Kisei, 03rd | Quaterfinal - 4 | 75 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 200 | 1979-07-05 | Oza, 27th | 2-1 | 76 | Kato Masao | 9p | Otake Hideo | 9p | W+4.5 | 246 | 1980-03-05 | Judan, 18th | Title match, game 1 | 77 | Otake Hideo | 9p | Kato Masao | 9p | B+2.5 | 260 | 1980-03-12 | Judan, 18th | Title match, game 2 | 78 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 207 | 1980-04-01 | Judan, 18th | Title match, game 3 | 79 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 220 | 1980-04-09 | Judan, 18th | Title match, game 4 | 80 | Kato Masao | 9p | Otake Hideo | 9p | W+0.5 | 223 | 1980-04-14 | Judan, 18th | Title match, game 5 | 81 | Otake Hideo | 9p | Kato Masao | 9p | B+7.5 | 224 | 1981-07-01 | Meijin, 06th | League | 82 | Kato Masao | 9p | Otake Hideo | 9p | W+6.5 | 238 | 1981-07-08 | Gosei, 06th | Title match, game 1 | 83 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 163 | 1981-07-16 | Gosei, 06th | Title match, game 2 | 84 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 197 | 1981-07-28 | Gosei, 06th | 3 | 85 | Otake Hideo | 9p | Kato Masao | 9p | W+2.5 | 264 | 1981-08-03 | Gosei, 06th | Title match, game 6 | 86 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 173 | 1981-09-12 | Meijin, 07th | League, game 04 | 87 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 211 | 1982-01-23 | NEC Cup, 01st | Semifinal | 88 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 158 | 1982-12-23 | Judan, 21st | Winners' Section, Final | 89 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 217 | 1983-02-20 | Kakusei, 05th | Final group | 90 | Otake Hideo | 9p | Kato Masao | 9p | W+R | 142 | 1983-06-08 | Meijin, 08th | League, game 26 | 91 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 226 | 1983-10-27 | Oza, 31st | Title match, game 1 | 92 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 201 | 1983-11-03 | Kisei, 08th | Quaterfinal - 4 | 93 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 119 | 1983-11-09 | Oza, 31st | Title match, game 2 | 94 | Otake Hideo | 9p | Kato Masao | 9p | B+2 | 235 | 1984-03-18 | Kakusei, 06th | Final | 95 | Kato Masao | 9p | Otake Hideo | 9p | W+0.5 | 198 | 1984-04-26 | Meijin, 09th | League, game 20 | 96 | Otake Hideo | 9p | Kato Masao | 9p | B+R | 223 | 1984-07-05 | Gosei, 09th | Title match, game 1 | 97 | Kato Masao | 9p | Otake Hideo | 9p | B+R | 169 | 1984-07-19 | Gosei, 09th | Title match, game 2 | 98 | Otake Hideo | 9p | Kato Masao | 9p | B+0.5 | 260 | 1984-07-31 | Gosei, 09th | Title match, game 3 | 99 | Kato Masao | 9p | Otake Hideo | 9p | W+0.5 | 205 | 1984-08-15 | Gosei, 09th | Title match, game 4 | 100 | Kato Masao | 9p | Otake Hideo | 9p | W+1.5 | 233 | 1984-08-30 | Tengen, 10th | Round 3 |
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