Players › Toshiaki Kubo
Toshiaki Kubo
| Player No. | 207 |
|---|---|
| Rank | 9-dan |
| Date of birth | Aug 27, 1975 |
| Birthplace | Hyogo |
| Teacher | Hitoshige Awaji 9-dan |
Junisen terms34
Career record191W-151L
Win rate0.558
Deviation score (FY2026)48.5
Best deviation score74.1
FY2000
FY2000
Rating history and all games →
Junisen record
| Term | Class | Rank | Record | Up/down | Deviation |
|---|---|---|---|---|---|
| 85th term | Class B1 | 12 | 3W-4L | 48.5 | |
| 84th term | Class B2 | 18 | 9W-1L | Promoted | 60.2 |
| 83rd term | Class B2 | 17 | 5W-5L | 52.6 | |
| 82nd term | Class B2 | 1 | 4W-6L | 53.7 | |
| 81st term | Class B1 | 10 | 4W-8L | Relegated | 55.4 |
| 80th term | Class B1 | 6 | 4W-8L | 57.6 | |
| 79th term | Class B1 | 2 | 6W-6L | 64.1 | |
| 78th term | Class A | 6 | 2W-7L | Relegated | 60.3 |
| 77th term | Class A | 5 | 4W-5L | 60.6 | |
| 76th term | Class A | 9 | 6W-4L | 66.6 | |
| 75th term | Class B1 | 2 | 9W-3L | Promoted | 68.2 |
| 74th term | Class A | 3 | 2W-7L | Relegated | 66.2 |
| 73rd term | Class A | 7 | 6W-3L | 61.0 | |
| 72nd term | Class A | 10 | 4W-5L | 65.8 | |
| 71st term | Class B1 | 2 | 10W-2L | Promoted | 66.1 |
| 70th term | Class A | 8 | 2W-7L | Relegated | 61.0 |
| 69th term | Class A | 10 | 4W-5L | 69.7 | |
| 68th term | Class B1 | 5 | 9W-3L | Promoted | 73.9 |
| 67th term | Class B1 | 1 | 6W-6L | 69.8 | |
| 66th term | Class A | 7 | 2W-7L | Relegated | 68.1 |
| 65th term | Class A | 7 | 4W-5L | 67.0 | |
| 64th term | Class A | 3 | 3W-6L | 57.3 | |
| 63rd term | Class A | 8 | 6W-3L | 64.5 | |
| 62nd term | Class A | 9 | 3W-6L | 65.7 | |
| 61st term | Class B1 | 4 | 8W-3L | Promoted | 61.5 |
| 60th term | Class B1 | 12 | 8W-4L | 65.8 | |
| 59th term | Class B2 | 20 | 9W-1L | Promoted | 74.1 |
| 58th term | Class C1 | 10 | 8W-2L | Promoted | 64.1 |
| 57th term | Class C1 | 4 | 6W-4L | 58.6 | |
| 56th term | Class C1 | 9 | 7W-3L | 60.6 | |
| 55th term | Class C1 | 6 | 6W-4L | 61.4 | |
| 54th term | Class C1 | 20 | 6W-4L | 61.5 | |
| 53rd term | Class C2 | 24 | 10W-0L | Promoted | 67.1 |
| 52nd term | Class C2 | 54 | 6W-4L | 53.4 |
How the deviation score is calculated: see here.
Titles won
| Kio-sen | 3 terms (terms 34, 35, 36) |
|---|---|
| Osho-sen | 4 terms (terms 59, 60, 66, 67) |
Ryuo-sen and Eio-sen from 2007 only; others are all-time records.
Terms in each class
| Class A | 13 terms |
|---|---|
| Class B1 | 10 terms |
| Class B2 | 4 terms |
| Class C1 | 5 terms |
| Class C2 | 2 terms |
Promotion history
| Mar 30, 2010 | 9-dan |
|---|---|
| Apr 1, 2003 | 8-dan |
| Apr 1, 2001 | 7-dan |
| Nov 25, 1998 | 6-dan |
| Apr 1, 1995 | 5-dan |
| Apr 1, 1993 | 4-dan |
| 1989 | 1-dan |
Career win milestones
| 100 wins | May 14, 1996 Kio-sen |
|---|---|
| 200 wins | Jun 22, 1999 Junisen |
| 300 wins | Nov 30, 2001 Osho-sen |
| 400 wins | Sep 25, 2006 Oi-sen |
| 500 wins | Apr 21, 2009 Ginga-sen |
| 600 wins | Sep 26, 2012 Kisei-sen |
| 700 wins | Jan 8, 2017 Osho-sen |
| 800 wins | Mar 11, 2021 Junisen |
| 900 wins | May 17, 2026 NHK Cup |
Best wins (highest-rated opponents)
| Mar 5, 2001 | Yoshiharu Habu 2069 | Kio-sen |
| Nov 10, 2013 | Yoshiharu Habu 2056 | JT Cup |
| Nov 18, 2012 | Yoshiharu Habu 2050 | JT Cup |
| Feb 7, 2008 | Yoshiharu Habu 2049 | Osho-sen |
| Nov 24, 2006 | Yoshiharu Habu 2045 | Junisen |
Career wins and ratings are counted from the games recorded on this site (official games from FY1964, and Junisen games before that) and may differ from official records.
Frequent opponents
| Yoshiharu Habu | 25W-50L | Head-to-head |
| Yasumitsu Satoh | 29W-37L | Head-to-head |
| Masataka Goda | 28W-33L | Head-to-head |
| Tadahisa Maruyama | 28W-27L | Head-to-head |
| Koichi Fukaura | 29W-21L | Head-to-head |
| Akira Watanabe | 17W-24L | Head-to-head |
| Toshiyuki Moriuchi | 21W-16L | Head-to-head |
| Koji Tanigawa | 23W-13L | Head-to-head |
| Hiroyuki Miura | 17W-16L | Head-to-head |
| Masayuki Toyoshima | 18W-15L | Head-to-head |
| Hisashi Namekata | 16W-14L | Head-to-head |
| Takeshi Fujii | 18W-10L | Head-to-head |