Players › Tadashi Ooishi
Tadashi Ooishi
| Player No. | 275 |
|---|---|
| Rank | 7-dan |
| Date of birth | Sep 16, 1989 |
| Birthplace | Osaka |
| Teacher | Nobuo Mori 7-dan |
Junisen terms18
Career record106W-75L
Win rate0.586
Deviation score (FY2026)51.9
Best deviation score60.9
FY2023
FY2023
Rating history and all games →
Junisen record
| Term | Class | Rank | Record | Up/down | Deviation |
|---|---|---|---|---|---|
| 85th term | Class B1 | 7 | 1W-6L | 51.9 | |
| 84th term | Class B1 | 8 | 5W-7L | 55.4 | |
| 83rd term | Class B1 | 11 | 6W-6L | 55.9 | |
| 82nd term | Class B2 | 16 | 9W-1L | Promoted | 60.9 |
| 81st term | Class B2 | 4 | 4W-6L | 51.9 | |
| 80th term | Class B2 | 6 | 7W-3L | 55.2 | |
| 79th term | Class B2 | 11 | 7W-3L | 56.1 | |
| 78th term | Class B2 | 7 | 5W-5L | 46.8 | |
| 77th term | Class B2 | 17 | 7W-3L | 55.3 | |
| 76th term | Class B2 | 21 | 4W-6L | 48.9 | |
| 75th term | Class C1 | 19 | 9W-1L | Promoted | 55.2 |
| 74th term | Class C1 | 12 | 5W-5L | 51.3 | |
| 73rd term | Class C1 | 29 | 6W-4L | 53.6 | |
| 72nd term | Class C2 | 18 | 10W-0L | Promoted | 60.8 |
| 71st term | Class C2 | 6 | 5W-5L | 56.6 | |
| 70th term | Class C2 | 26 | 7W-3L | 57.2 | |
| 69th term | Class C2 | 28 | 4W-6L | 45.3 | |
| 68th term | Class C2 | 44 | 5W-5L | 48.5 |
How the deviation score is calculated: see here.
Terms in each class
| Class B1 | 3 terms |
|---|---|
| Class B2 | 7 terms |
| Class C1 | 3 terms |
| Class C2 | 5 terms |
Promotion history
| Nov 1, 2017 | 7-dan |
|---|---|
| May 15, 2013 | 6-dan |
| Apr 22, 2013 | 5-dan |
| Apr 1, 2009 | 4-dan |
Career win milestones
| 100 wins | Apr 23, 2013 Oi-sen |
|---|---|
| 200 wins | Mar 22, 2018 Kio-sen |
| 300 wins | Sep 20, 2023 Asahi Cup |
Best wins (highest-rated opponents)
| Dec 22, 2013 | Yoshiharu Habu 2044 | NHK Cup |
| Oct 30, 2023 | Tatsuya Sugai 1913 | Kisei-sen |
| Jul 12, 2026 | Nagisa Fujimoto 1902 | NHK Cup |
| Jul 3, 2026 | Shintaro Saito 1899 | Kio-sen |
| Nov 7, 2017 | Tatsuya Sugai 1888 | Kisei-sen |
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.