| # |
Black player |
Rank |
White player |
Rank |
Result |
# moves |
Date |
Event |
Round |
| 1 | O Rissei | 9p | Hikosaka Naoto | 8p | B+6.5 | 262 | 1992-02-18 | Ryusei Cup, 02nd | Block A, Game 14 | | 2 | O Rissei | 9p | Hikosaka Naoto | 9p | B+R | 129 | 1998-11-19 | Honinbo, 54th | League, game 08 | | 3 | O Rissei | 9p | Hikosaka Naoto | 9p | W+R | 174 | 1998-12-18 | Judan, 36th | Losers' Section, Semifinal - 1 | | 4 | Hikosaka Naoto | 9p | O Rissei | 9p | B+0.5 | 309 | 1999-09-30 | Honinbo, 55th | League, game 01 | | 5 | Hikosaka Naoto | 9p | O Rissei | 9p | W+R | 148 | 1999-10-14 | Kisei, 24th | Final, game 1 | | 6 | O Rissei | 9p | Hikosaka Naoto | 9p | B+R | 145 | 1999-10-21 | Kisei, 24th | Final, game 2 | | 7 | Hikosaka Naoto | 9p | O Rissei | 9p | W+5.5 | 284 | 2000-02-22 | Kakusei, 22nd | Final | | 8 | O Rissei | 9p | Hikosaka Naoto | 9p | B+R | 169 | 2001-12-20 | Meijin, 27th | League, game 04 | | 9 | O Rissei | 9p | Hikosaka Naoto | 9p | B+R | 165 | 2002-08-05 | Meijin, 27th | demotion play-off | | 10 | O Rissei | 9p | Hikosaka Naoto | 9p | W+2.5 | 340 | 2006-04-06 | World Oza Toyota & Denso Cup, 3rd | Last primary tournament | | 11 | O Rissei | 9p | Hikosaka Naoto | 9p | B+R | 111 | 2008-04-03 | Judan, 47th | Last primary tournament, Final | | 12 | Hikosaka Naoto | 9p | O Rissei | 9p | W+R | 190 | 2010-08-07 | Daiwa Cup, 06th | 1 | | 13 | Hikosaka Naoto | 9p | O Rissei | 9p | B+0.5 | 277 | 2011-09-17 | Daiwa Cup, 07th | 1 | | 14 | O Rissei | 9p | Hikosaka Naoto | 9p | W+4.5 | 300 | 2012-02-23 | Gosei, 37th | Round 3 | | 15 | Hikosaka Naoto | 9p | O Rissei | 9p | W+2.5 | 274 | 2015-09-03 | Kisei, 40th | League C | | 16 | Hikosaka Naoto | 8p | Oeda Yusuke | 8p | B+R | 235 | 1992-01-20 | Ryusei Cup, 02nd | Block A, Game 13 | | 17 | Ogaki Yusaku | 9p | Hikosaka Naoto | 9p | B+R | 143 | 2006-12-07 | Tengen, 33rd | | | 18 | Hikosaka Naoto | 7p | Ogata Masaki | 6p | B+4 | 277 | 1988-02-21 | Shin'ei, 18th | Semifinal | | 19 | Hikosaka Naoto | 8p | Ogata Masaki | 8p | W+R | 104 | 1991-07-25 | Judan, 30th | Winners' Section, Quaterfinal - 1 | | 20 | Ogata Masaki | 9p | Hikosaka Naoto | 9p | B+R | 89 | 1995-08-17 | Okan Sen, 36th | 3 | | 21 | Hikosaka Naoto | 9p | Ogata Masaki | 9p | B+R | 115 | 1995-09-07 | Judan, 34th | Losers' Section, 2-1 | | 22 | Ogata Masaki | 9p | Hikosaka Naoto | 9p | B+R | 217 | 2010-06-06 | NHK Cup, 58th | 1 | | 23 | Hikosaka Naoto | 9p | Ogata Masaki | 9p | W+R | 248 | 2012-07-19 | | | | 24 | Ogata Masaki | 9p | Hikosaka Naoto | 9p | W+R | 172 | 2013-11-25 | | | | 25 | Ogata Masaki | 9p | Hikosaka Naoto | 9p | W+R | 218 | 2016-10-13 | | | | 26 | Ohashi Naruya | 1p ? | Hikosaka Naoto | 9p | W+R | 190 | 2007-12-03 | Japanese Yugen Cup, 1st | | | 27 | Hikosaka Naoto | 9p | Ohashi Naruya | 4p | B+R | 173 | 2012-10-18 | Tengen, 39th. preliminary tournament A | | | 28 | Ohira Shuzo | 9p | Hikosaka Naoto | 9p | W+R | 118 | 1992-09-03 | Judan, 31st | Losers' Section, 1-4 | | 29 | Onda Yasuhiko | 2p | Hikosaka Naoto | 6p | W+2.5 | 273 | 1983-05-30 | Kisei, 08th | Zendan - 4 | | 30 | Osawa Narumi | 1p ? | Hikosaka Naoto | 9p | W+6.5 | 236 | 1998-01-01 | 1p-9p competition | 3 | | 31 | Hikosaka Naoto | 6p | Otake Hideo | 9p | W+R | 179 | 1985-03-14 | Tengen, 11th | preliminary round | | 32 | Otake Hideo | 9p | Hikosaka Naoto | 7p | B+R | 181 | 1986-09-25 | Honinbo, 42nd | League Entrant Final 3 | | 33 | Hikosaka Naoto | 8p | Otake Hideo | 9p | W+R | 226 | 1989-10-07 | IBM Lightning Go Championship, 2nd | Semifinal - 2 | | 34 | Otake Hideo | 9p | Hikosaka Naoto | 9p | B+R | 135 | 1999-11-18 | Honinbo, 55th | League, game 08 | | 35 | Hikosaka Naoto | 9p | Otake Hideo | 9p | B+R | 195 | 2004-02-08 | Gosei, 29th | 1/16 Final - 16 | | 36 | Oya Koichi | 5p | Hikosaka Naoto | 7p | B+R | 111 | 1986-11-30 | Oteai, 1986 | 14 | | 37 | Qian Yuping | 8p | Hikosaka Naoto | 7p | W+0.5 | 239 | 1986-05-10 | China-Japan Go Exchange, 14th | Round 5 | | 38 | Hikosaka Naoto | 7p | Qian Yuping | 8p | B+R | 197 | 1986-05-15 | China-Japan Go Exchange, 14th | Round 7 | | 39 | Qian Yuping | ? pro | Hikosaka Naoto | 7p | B+1.5 | 306 | 1987-05-20 | China-Japan Go Exchange, 15th | 306 | | 40 | Hikosaka Naoto | 7p | Qian Yuping | 8p | B+R | 223 | 1987-05-22 | China-Japan Go Exchange, 15th | 223 | | 41 | Hikosaka Naoto | 7p | Qian Yuping | ? pro | W+0.5 | 249 | 1987-05-24 | China-Japan Go Exchange, 15th | Round 3 | | 42 | Redmond, Michael | 5p | Hikosaka Naoto | 7p | B+R | 231 | 1988-07-30 | NEC Shun'ei, 05th | | | 43 | Hikosaka Naoto | 9p | Rin Kaiho | 6p | B+R | 201 | 1985-03-28 | Oza, 33rd | 1 | | 44 | Rin Kaiho | 9p | Hikosaka Naoto | 9p | W+15 | 293 | 1997-03-13 | Honinbo, 52nd | League, game 24 | | 45 | Hikosaka Naoto | 9p | Rin Kaiho | 9p | W+R | 173 | 1997-11-06 | Meijin, 23rd | Preliminary, Group 3, Final game | | 46 | Hikosaka Naoto | 9p | Rin Kaiho | 9p | B+3.5 | 220 | 2000-03-09 | Honinbo, 55th | League, game 23 | | 47 | Rin Kaiho | 9p | Hikosaka Naoto | 9p | B+R | 113 | 2002-01-17 | Meijin, 27th | League, game 07 | | 48 | Rin Kaiho | 9p | Hikosaka Naoto | 9p | B+R | 205 | 2002-04-18 | Oza, 50th | 1/8 Final - 7 | | 49 | Hikosaka Naoto | 9p | Rin Kaiho | 9p | B+R | 129 | 2008-02-21 | World Oza Toyota & Denso Cup, 4th, last preliminary tournament | | | 50 | Rin Kaiho | 9p | Hikosaka Naoto | 9p | W+2.5 | 217 | 2009-03-19 | Ryusei, 18th | block-G | | 51 | Hikosaka Naoto | 9p | Rin Shien | 7p | B+R | 221 | 2009-03-12 | Judan, 48th, last preliminary tournament | | | 52 | Hikosaka Naoto | 9p | Rin Shien | 7p | W+0.5 | 216 | 2014-03-13 | Oza, 62th, last preliminary tournament | | | 53 | Hikosaka Naoto | 7p | Rui Naiwei | 8p | W+R | 238 | 1987-06-03 | China-Japan Go Exchange, 15th | | | 54 | Rui Naiwei | 9p | Hikosaka Naoto | 9p | B+4,5 | 267 | 2000-04-08 | Fujitsu Cup, 13th | 1-02 | | 55 | Ryu Shikun | 7p | Hikosaka Naoto | 9p | W+R | 174 | 1996-10-18 | Honinbo, 52nd | League, game 05 | | 56 | Hikosaka Naoto | 9p | Ryu Shikun | 7p | B+R | 197 | 1998-02-19 | Honinbo, 53rd | League, game 20 | | 57 | Ryu Shikun | 7p | Hikosaka Naoto | 9p | B+R | 153 | 1998-05-07 | Tengen, 24th | 1/8 Final - 5 | | 58 | Ryu Shikun | 7p | Hikosaka Naoto | 9p | B+R | 175 | 1998-12-17 | Honinbo, 54th | League, game 11 | | 59 | Ryu Shikun | 7p | Hikosaka Naoto | 9p | W+2.5 | 292 | 1999-12-09 | Honinbo, 55th | League, game 10 | | 60 | Ryu Shikun | 7p | Hikosaka Naoto | 9p | B+R | 237 | 2002-01-03 | The 49th Japan NHK Cup | 16°Àü | | 61 | Ryu Shikun | 7p | Hikosaka Naoto | 9p | W+R | 182 | 2002-02-07 | Meijin, 27th | League, game 11 | | 62 | Hikosaka Naoto | 9p | Ryu Shikun | 9p | B+R | 273 | 2009-01-29 | Ryusei, 18th | block-G | | 63 | Ryu Shikun | 9p | Hikosaka Naoto | 9p | W+3.5 | 265 | 2013-01-24 | Kisei, 38th, last preliminary tournament | | | 64 | Hikosaka Naoto | 6p | Saijo Masataka | 8p | B+R | 139 | 1984-01-19 | Okan Sen, 25th | 2 | | 65 | Saijo Masataka | 8p | Hikosaka Naoto | 7p | W+1.5 | 219 | 1986-01-23 | Okan Sen, 27th | 1 | | 66 | Sakai Hideyuki | 7p | Hikosaka Naoto | 9p | B+9 | 283 | 2007-04-12 | Meijin, 32nd | League, game 20 | | 67 | Hikosaka Naoto | 9p | Sakai Hideyuki | 7p | W+1.5 | 278 | 2007-05-17 | Ryusei Cup, 16th | champion's decision tournament | | 68 | Hikosaka Naoto | 9p | Sakai Hideyuki | 8p | W+R | 126 | 2012-07-05 | Judan, 51st, last prelimianry tournament | Final | | 69 | Hikosaka Naoto | 9p | Sakai Hideyuki | 8p | W+5.5 | 228 | 2013-01-17 | Gosei, 38th | 1 | | 70 | Hikosaka Naoto | 9p | Sakai Hideyuki | 8p | W+R | 170 | 2014-02-20 | Tengen, 40th | 1 | | 71 | Sanno Hirotaka | 9p | Hikosaka Naoto | 8p | W+R | 186 | 1990-02-15 | Tengen, 16th | 1-08 | | 72 | Sekiyama Toshio | 9p | Hikosaka Naoto | 6p | B+R | 153 | 1985-02-07 | Gosei, 10th | | | 73 | Hikosaka Naoto | 9p | Seo Bongsoo | 9p | W+0.5 | 240 | 1996-12-14 | Jinro Cup, 5th | game 04 | | 74 | Seto Taiki | 7p | Hikosaka Naoto | 9p | B+3.5 | 261 | 2010-01-07 | Oza, 58th, last preliminary tournament | | | 75 | Hikosaka Naoto | 7p | Shao Zhengzhong | ? pro | B+R | 107 | 1987-05-28 | China-Japan Go Exchange, 15th | Round 5 | | 76 | Shida Tatsuya | 2p | Hikosaka Naoto | 9p | B+0.5 | 268 | 2008-11-27 | | | | 77 | Hikosaka Naoto | 9p | Shida Tatsuya | 3p | B+4,5 | 229 | 2010-11-18 | Tengen, 37th, preliminary tournament A | Final | | 78 | Shida Tatsuya | 4p | Hikosaka Naoto | 9p | B+R | 153 | 2011-10-20 | | | | 79 | Hikosaka Naoto | 9p | Shida Tatsuya | 7p | W+1.5 | 235 | 2014-08-28 | Gosei, 40th, preliminary tournament A | | | 80 | Hikosaka Naoto | 9p | Shida Tatsuya | 7p | W+R | 118 | 2015-02-12 | | | | 81 | Shida Tatsuya | 7p | Hikosaka Naoto | 9p | W+R | 198 | 2015-06-04 | | | | 82 | Hikosaka Naoto | 9p | Shuto Shun | 6p | W+R | 152 | 2009-05-28 | Judan, 48th | Winners' Section, Round 1 | | 83 | So Yokoku | 6p | Hikosaka Naoto | 9p | W+R | 264 | 2000-01-27 | Gosei, 25th | 1/8 Final - 4 | | 84 | So Yokoku | 8p | Hikosaka Naoto | 9p | W+R | 272 | 2007-03-12 | NHK Cup, 55th | 1 | | 85 | So Yokoku | 8p | Hikosaka Naoto | 9p | B+9 | 217 | 2010-05-24 | Ryusei, 19th | champion decision tournament | | 86 | Hikosaka Naoto | 9p | So Yokoku | 8p | B+R | 191 | 2011-05-19 | Honinbo, 67th, last preliminary tournament | | | 87 | Son Makoto | 3p | Hikosaka Naoto | 9p | B+R | 179 | 2015-06-11 | Agon Cup, 22nd, last preiminary tournament | Final | | 88 | Sonoda Yuichi | 9p | Hikosaka Naoto | 6p | B+4 | 238 | 1983-07-21 | Kisei, 08th | All Dan Championship quarter final | | 89 | Hikosaka Naoto | 8p | Sonoda Yuichi | 9p | W+R | 144 | 1991-04-18 | Tengen, 17th | 1/8 Final - 2 | | 90 | Hikosaka Naoto | 9p | Sonoda Yuichi | 9p | B+0.5 | 257 | 2005-02-01 | Ryusei Cup, 14th | Block C, Game 09 | | 91 | Hikosaka Naoto | 9p | Suzuki Ayumi | 6p | W+3.5 | 286 | 2015-05-21 | Kisei, 40th | League C | | 92 | Hikosaka Naoto | 9p | Suzuki Yoshimichi | 6p | B+R | 265 | 2004-05-27 | Judan, 43rd | 1-04 | | 93 | Tajima Shingo | 6p | Hikosaka Naoto | 9p | W+R | 174 | 2015-07-16 | Honinbo, 71st, last preliminary tournament | | | 94 | Tajiri Yuto | 1p ? | Hikosaka Naoto | 9p | W+2.5 | 284 | 2009-02-09 | | | | 95 | Takahara Shuji | 8p | Hikosaka Naoto | 8p | W+R | 192 | 1990-12-06 | Gosei, 16th | 1/8 Final - 7 | | 96 | Takao Shinji | 6p | Hikosaka Naoto | 9p | W+R | 138 | 2000-03-16 | Gosei, 25th | Quaterfinal - 4 | | 97 | Takao Shinji | 8p | Hikosaka Naoto | 9p | B+6 | 236 | 2004-06-03 | Tengen, 30th | 1/8 Final - 7 | | 98 | Takao Shinji | 8p | Hikosaka Naoto | 9p | B+R | 203 | 2004-11-14 | Judan, 43rd | Losers' Section, 3-2 | | 99 | Takao Shinji | 9p | Hikosaka Naoto | 9p | B+9 | 297 | 2007-05-07 | NHK Cup, 55th | 2 | | 100 | Takao Shinji | 9p | Hikosaka Naoto | 9p | W+R | 226 | 2010-02-22 | Ryusei, 19th | block-G |
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