| # |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
| 1 | Kato Masao | 9p | Ma Xiaochun | 9p | W+1.5 | 266 | 1999-06-06 | Fujitsu Cup, 12th | Quaterfinal - 2 | | 2 | Magari Reiki | 8p | Kato Masao | 7p | W+R | 208 | 1972-01-26 | Honinbo, 27th | League, game 11 | | 3 | Magari Reiki | 9p | Kato Masao | 8p | W+R | 154 | 1977-02-24 | Honinbo, 32nd | League, game 19 | | 4 | Kato Masao | 8p | Magari Reiki | 9p | B+R | 151 | 1977-07-28 | Tengen, 03rd | 1/8 Final - 4 | | 5 | Kato Masao | 9p | Magari Reiki | 9p | B+2 | 277 | 1982-10-26 | Kisei, 07th | Challengers' Quarter-Final | | 6 | Kato Masao | 9p | Magari Reiki | 9p | W+1.5 | 290 | 1991-05-16 | Meijin, 17th | Preliminary Round 2 | | 7 | Kato Masao | 5p | Matsumoto Tokuji | 7p | B+R | 221 | 1968-02-08 | Prime Minister's Cup, 12th | Preliminaries, 2 | | 8 | Matsumoto Tokuji | 7p | Kato Masao | 7p | W+R | 94 | 1971-10-14 | Oteai, 1971 | | | 9 | Kato Masao | 9p | Matsuoka Hideki | 8p | B+R | 175 | 2000-08-31 | Judan, 39th | Losers' Section, 1-4 | | 10 | Kato Masao | 9p | Mimura Tomoyasu | 7p | B+2.5 | 249 | 1993-09-02 | Kisei, 18th | 1/8 Final - 6 | | 11 | Mimura Tomoyasu | 7p | Kato Masao | 9p | B+R | 147 | 1996-08-29 | Kisei, 21st | 1-03 | | 12 | Kato Masao | 9p | Mimura Tomoyasu | 8p | B+2.5 | 259 | 1999-03-18 | Meijin, 24th | League, game 14 | | 13 | Mimura Tomoyasu | 9p | Kato Masao | 9p | B+1 | 262 | 2003-02-16 | NHK Cup, 50th | Quaterfinal | | 14 | Kato Masao | 9p | Mimura Tomoyasu | 9p | B+R | 219 | 2003-10-09 | Honinbo, 59th | League, game 02 | | 15 | Kato Masao | 7p | Miwa Yoshiro | 7p | W+R | 166 | 1972-07-14 | Prime Minister's Cup, 16th | Preliminaries | | 16 | Miyamoto Naoki | 9p | Kato Masao | 8p | W+R | 206 | 1974-08-15 | Judan, 13th | Losers' Section, Round 1 | | 17 | Kato Masao | 9p | Miyamoto Yoshihisa | 9p | B+R | 205 | 1979-05-31 | Oza, 27th | 1-04 | | 18 | Kato Masao | 9p | Miyamoto Yoshihisa | 9p | B+R | 155 | 1994-01-20 | Gosei, 19th | 1-13 | | 19 | Kato Masao | 6p | Miyashita Shuyo | 9p | B+R | 197 | 1971-01-01 | All-Japan First Place Championship, 2nd | Challengers' Final | | 20 | Kato Masao | 8p | Miyashita Shuyo | 9p | B+7 | 270 | 1974-03-07 | Honinbo, 29th | League, game 13 | | 21 | Miyazaki Hiroshi | 3p | Kato Masao | 5p | W+R | 118 | 1968-06-20 | Oteai, 1968 | | | 22 | Miyazawa Goro | 8p | Kato Masao | 9p | B+R | 221 | 1991-04-18 | Oza, 39th | 1 | | 23 | Miyazawa Goro | 9p | Kato Masao | 9p | B+R | 233 | 1993-07-15 | Meijin, 18th | League, game 31 | | 24 | Miyazawa Goro | 9p | Kato Masao | 9p | W+6.5 | 275 | 1994-03-06 | NHK Cup, 41st | Semifinal - 1 | | 25 | Kato Masao | 9p | Miyazawa Goro | 9p | B+R | 175 | 1996-02-15 | Honinbo, 51st | League, game 19 | | 26 | Kato Masao | 9p | Miyazawa Goro | 9p | W+R | 156 | 2001-12-13 | Honinbo, 57th | League, game 11 | | 27 | Kato Masao | 9p | Miyazawa Goro | 9p | B+R | 151 | 2003-06-12 | Judan, 42nd | 1-06 | | 28 | Kato Masao | 9p | Mizogami Tomochika | 7p | B+R | 211 | 2002-12-01 | NHK Cup, 50th | Round 2 | | 29 | Mizuta Yoshihiro | 7p | Kato Masao | 8p | W+R | 134 | 1975-06-26 | Tengen, 01st | 1-15 | | 30 | Kato Masao | 9p | Morita Michihiro | 9p | B+R | 175 | 1991-05-30 | Tengen, 17th | 1/8 Final - 7 | | 31 | Morita Michihiro | 7p | Kato Masao | 9p | B+R | 221 | 1994-10-26 | Judan, 33rd | Winners' Section, Final | | 32 | Morita Michihiro | 9p | Kato Masao | 9p | B+14.5 | 261 | 1999-06-28 | Ryusei Cup, 08th | Quaterfinal - 1 | | 33 | Nagahara Yoshiaki | 4p | Kato Masao | 6p | W+R | 174 | 1969-11-19 | Oteai, 1969 | | | 34 | Kato Masao | 4p | Naganuma Makoto | 5p | B+R | 169 | 1967-05-31 | Oteai, 1967 | | | 35 | Kato Masao | 6p | Nakagawa Shinsuke | 7p | B+R | 119 | 1970-06-18 | Oteai, 1970 | | | 36 | Nakamura Hidehito | 6p | Kato Masao | 8p | B+R | 153 | 1977-07-21 | Oteai, 1977 | | | 37 | Nakamura Hidehito | 9p | Kato Masao | 9p | W+R | 206 | 1985-06-27 | Tengen, 11th | Preliminaries | | 38 | Nakamura Hidehito | 9p | Kato Masao | 9p | W+1.5 | 241 | 1994-02-10 | Gosei, 19th | 1/8 Final - 3 | | 39 | Nakanishi Toshio | 5p | Kato Masao | 9p | W+R | 138 | 1985-01-01 | | | | 40 | Kato Masao | 9p | Nakano Hironari | 8p | B+3.5 | 310 | 1996-03-14 | Honinbo, 51st | League, game 22 | | 41 | Kato Masao | 9p | Nakano Hironari | 8p | B+R | 73 | 1997-05-19 | Tengen, 23rd | Quaterfinal - 1 | | 42 | Nakano Yasuhiro | 7p | Kato Masao | 9p | B+2.5 | 272 | 2001-05-09 | Oza, 49th | 1-08 | | 43 | Kato Masao | 9p | Nakano Yasuhiro | 8p | W+2.5 | 293 | 2003-04-06 | JAL Hayago Cup, 1st | 1 | | 44 | Kato Masao | 9p | Nie Weiping | 9p | B+7.5 | 203 | 1982-06-13 | China-Japan Go Exchange, 1982 | Round 2 | | 45 | Kato Masao | 9p | Nie Weiping | 9p | B+9 | 234 | 1984-06-03 | Japan-China Go exchange, 12th | 3rd game | | 46 | Nie Weiping | 9p | Kato Masao | 9p | W+3.5 | 256 | 1984-06-05 | Japan-China Go exchange, 12th | game 04 | | 47 | Kato Masao | 9p | Nie Weiping | 9p | W+4.5 | 250 | 1985-08-29 | Japan-China Super Go, 1st | game 14 | | 48 | Nie Weiping | 9p | Kato Masao | 9p | B+R | 229 | 1986-04-29 | China-Japan Go Exchange, 14th | 1 | | 49 | Kato Masao | 9p | Nie Weiping | 9p | B+R | 199 | 1986-05-01 | Japan-China exchange, 14th | 4 | | 50 | Kato Masao | 9p | Nie Weiping | 9p | B+4,5 | 238 | 1986-05-05 | Japan-China exchange, 14th | 6 | | 51 | Nie Weiping | 9p | Kato Masao | 9p | B+R | 213 | 1987-05-20 | China-Japan Go Exchange, 15th | 213 | | 52 | Kato Masao | 9p | Nie Weiping | 9p | W+2.5 | 244 | 1987-05-22 | China-Japan Go Exchange, 15th | Game 2 of 3-game match | | 53 | Nie Weiping | 9p | Kato Masao | 9p | B+R | 177 | 1988-03-14 | Japan-China Super Go, 3rd | game 17 | | 54 | Kato Masao | 9p | Nie Weiping | 9p | W+R | 214 | 1988-06-04 | Fujitsu Cup, 01st | Quaterfinal - 2 | | 55 | Nie Weiping | 9p | Kato Masao | 9p | W+R | 208 | 1992-03-30 | Japan-China Super Go, NEC, 6th | game 15 | | 56 | Kato Masao | 9p | Nie Weiping | 9p | W+R | 160 | 1993-07-28 | Asian TV Cup, 05th | Quaterfinal - 1 | | 57 | Kato Masao | 9p | Nie Weiping | 9p | W+2.5 | 269 | 1995-01-17 | Jinro Cup, 3rd | game 12 | | 58 | Noma Hideto | 4p | Kato Masao | 9p | W+R | 110 | 1985-01-01 | | | | 59 | O Meien | 6p | Kato Masao | 9p | W+R | 226 | 1984-04-11 | Gosei, 09th | Quaterfinal | | 60 | O Meien | 6p | Kato Masao | 9p | W+R | 162 | 1986-07-10 | Meijin, 11th | League, game 29 | | 61 | Kato Masao | 9p | O Meien | 7p | B+R | 161 | 1986-11-20 | Judan, 25th | Winners' Section, Semifinal - 2 | | 62 | O Meien | 9p | Kato Masao | 9p | W+4.5 | 239 | 1994-06-16 | Judan, 33rd | 1-06 | | 63 | Kato Masao | 9p | O Meien | 9p | B+4,5 | 262 | 1995-08-03 | Meijin, 20th | League, game 36 | | 64 | Kato Masao | 9p | O Meien | 9p | B+R | 239 | 1995-12-21 | Meijin, 21st | League, game 04 | | 65 | Kato Masao | 9p | O Meien | 9p | W+5 | 326 | 1997-10-09 | Honinbo, 53rd | League, game 03 | | 66 | Kato Masao | 9p | O Meien | 9p | W+2 | 275 | 1998-09-10 | Judan, 37th | Losers' Section, 2-3 | | 67 | O Meien | 9p | Kato Masao | 9p | W+R | 220 | 1999-05-22 | NEC Cup, 19th | 1-02 | | 68 | Kato Masao | 9p | O Meien | 9p | B+R | 173 | 2000-08-03 | Meijin, 25th | League, game 33 | | 69 | Kato Masao | 9p | O Meien | 9p | W+1 | 289 | 2000-09-21 | Judan, 39th | Losers' Section, 2-3 | | 70 | Kato Masao | 9p | O Meien | 9p | B+R | 219 | 2001-03-22 | Tengen, 27th | 1/8 Final - 1 | | 71 | Kato Masao | 9p | O Meien | 9p | B+R | 179 | 2001-08-02 | Meijin, 26th | League, game 34 | | 72 | O Meien | 9p | Kato Masao | 9p | B+R | 235 | 2001-11-15 | Judan, 40th | Losers' Section, Semifinal - 1 | | 73 | Kato Masao | 9p | O Meien | 9p | W+R | 124 | 2001-11-22 | Gosei, 27th | 1/16 Final - 09 | | 74 | Kato Masao | 9p | O Meien | 9p | W+1 | 246 | 2002-05-13 | Honinbo, 57th | Title match, game 1 | | 75 | O Meien | 9p | Kato Masao | 9p | B+13.5 | 269 | 2002-05-24 | Honinbo, 57th | Title match, game 2 | | 76 | Kato Masao | 9p | O Meien | 9p | B+R | 195 | 2002-06-06 | Honinbo, 57th | Title match, game 3 | | 77 | O Meien | 9p | Kato Masao | 9p | W+1 | 237 | 2002-06-12 | Honinbo, 57th | Title match, game 4 | | 78 | Kato Masao | 9p | O Meien | 9p | B+R | 167 | 2002-06-26 | Honinbo, 57th | Title match, game 5 | | 79 | O Meien | 9p | Kato Masao | 9p | W+1 | 244 | 2002-07-10 | Honinbo, 57th | Title match, game 6 | | 80 | O Meien | 9p | Kato Masao | 9p | B+1 | 306 | 2002-08-01 | Meijin, 27th | League, game 36 | | 81 | O Meien | 9p | Kato Masao | 9p | B+2 | 281 | 2002-08-15 | Oza, 50th | Final | | 82 | O Meien | 9p | Kato Masao | 9p | B+R | 193 | 2003-10-16 | Judan, 42nd | Losers' Section, 3-1 | | 83 | Kato Masao | 9p | O Meien | 9p | W+11 | 291 | 2004-01-15 | Honinbo, 59th | League, game 16 | | 84 | Kato Masao | 9p | O Rissei | 7p | B+1 | 260 | 1982-09-30 | Oza, 30th | Challengers' playoff | | 85 | O Rissei | 7p | Kato Masao | 9p | W+4.5 | 297 | 1985-01-17 | Tengen, 11th | Preliminaries | | 86 | O Rissei | 8p | Kato Masao | 9p | W+5 | 279 | 1987-03-12 | Honinbo, 42nd | League, game 22 | | 87 | Kato Masao | 9p | O Rissei | 9p | B+R | 261 | 1988-03-20 | NHK Cup, 34th | Final | | 88 | Kato Masao | 9p | O Rissei | 9p | B+R | 187 | 1991-08-22 | Kisei, 16th | 1 | | 89 | O Rissei | 9p | Kato Masao | 9p | B+R | 268 | 1991-09-12 | Tengen, 17th | Challengers' SemiFinal - 2 | | 90 | Kato Masao | 9p | O Rissei | 9p | W+R | 196 | 1992-09-27 | Haya-go Senshuken, 25th | Semifinal - 1 | | 91 | O Rissei | 9p | Kato Masao | 9p | W+R | 204 | 1992-10-01 | Kisei, 17th | Semifinal - 1 | | 92 | O Rissei | 9p | Kato Masao | 9p | B+R | 173 | 1993-03-22 | Kakusei, 15th | Final | | 93 | Kato Masao | 9p | O Rissei | 9p | W+6.5 | 288 | 1993-09-30 | Judan, 32nd | Winners' Section, Semifinal - 2 | | 94 | Kato Masao | 9p | O Rissei | 9p | B+R | 331 | 1994-07-14 | Tengen, 20th | 1/8 Final - 7 | | 95 | O Rissei | 9p | Kato Masao | 9p | W+R | 156 | 1994-09-18 | Haya-go Senshuken, 26th | Semifinal - 1 | | 96 | Kato Masao | 9p | O Rissei | 9p | B+R | 211 | 1995-02-02 | Honinbo, 50th | League, game 16 | | 97 | O Rissei | 9p | Kato Masao | 9p | B+4,5 | 226 | 1995-02-23 | Meijin, 20th | League, game 11 | | 98 | Kato Masao | 9p | O Rissei | 9p | W+2.5 | 296 | 1995-10-26 | Gosei, 21st | 2-2 | | 99 | Kato Masao | 9p | O Rissei | 9p | W+R | 126 | 1995-12-14 | Judan, 34th | Losers' Section, 3-2 | | 100 | O Rissei | 9p | Kato Masao | 9p | B+9 | 241 | 1996-01-25 | Honinbo, 51st | League, game 15 |
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