Otani Kensuke
Otani Kensuke (大谷健介) has a rating of 1575, ranked 210 of 452 in professional play. Their highest rating so far is 1608 (February 25, 2026).
Otani Kensuke2 dan大谷健介Kansai Ki-in
Rating1575
Rank210
1-year change↑44
Peak rating1608
Last 10WinLossWinWinWinLossLossLossWinLoss13-14
- 2026 record
- 4-4
- Record since 1927
- 13-14
- Win rate
- .481
The rating is calculated from published game results. It does not include any adjustment for playing Black.
Professional ratingsFind a player
Rating history — professional
The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| August 19, 2026 | Tanaka KentaroOza Preliminary B as Black | Loss | ↓13 |
| April 13, 2026 | Arai KantaGlobis Cup Japan Preliminary Round 1 as Black | Win | — |
| April 13, 2026 | Omote YutoGlobis Cup Japan Representative Playoff Round 2 Colors unknown | Loss | — |
| March 19, 2026 | Yamada KimioKisei First Tournament Preliminary Quarterfinal Colors unknown | Loss | ↓7 |
| March 5, 2026 | Chen BoshaoShinjin-O Round 1 as White | Loss | ↓13 |
| February 25, 2026 | Takahashi SuketasuGosei Preliminary B as White | Win | ↑12 |
| February 4, 2026 | Hasegawa SunaoKisei First Tournament Preliminary Round 2 Colors unknown | Win | ↑14 |
| January 15, 2026 | Kawada KoheiKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑15 |
| December 24, 2025 | Fujii ShuyaOza Preliminary A as White | Loss | ↓6 |
| November 26, 2025 | Watanabe KandaiOza Preliminary A as Black | Win | ↑25 |
| September 25, 2025 | Otake YuTeikei Cup Shun-ei Preliminary Semifinal Colors unknown | Loss | ↓1 |
| September 25, 2025 | Takao MariTeikei Cup Shun-ei Preliminary Round 1 Colors unknown | Win | ↑19 |
| April 30, 2025 | Watanabe KandaiMeijin Preliminary B as Black | Win | ↑26 |
| April 24, 2025 | Hikosaka NaotoKisei First Tournament Preliminary Semifinal Colors unknown | Loss | ↓5 |
| March 27, 2025 | Kim PyonminKisei First Tournament Preliminary Quarterfinal Colors unknown | Win | ↑15 |
| March 19, 2025 | Katsuma ShiroMeijin Preliminary C as White | Win | ↑14 |
| February 27, 2025 | Sakuramoto AyakoKisei First Tournament Preliminary Round 2 Colors unknown | Win | ↑10 |
| December 18, 2024 | Hasegawa SunaoKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑22 |
| November 7, 2024 | Konishi YoshiakiraTeikei Cup Shun-ei Preliminary Round 1 Colors unknown | Loss | ↓6 |
| October 23, 2024 | Takahashi SuketasuShinjin-O Preliminary as Black | Loss | ↓15 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Hasegawa Sunao | 2-01.000 | 0-0 | 0-0 |
| Takahashi Suketasu | 1-1.500 | 0-1 | 1-0 |
| Watanabe Kandai | 2-01.000 | 2-0 | 0-0 |
| Asano Yasuko | 1-01.000 | 0-0 | 0-0 |
| Arai Kanta | 1-01.000 | 1-0 | 0-0 |
| Hara Masakazu | 0-1.000 | 0-1 | 0-0 |
| Omote Yuto | 0-1.000 | 0-0 | 0-0 |
| Kawabata Atsushi | 0-1.000 | 0-1 | 0-0 |
| Konishi Yoshiakira | 0-1.000 | 0-0 | 0-0 |
| Sakuramoto Ayako | 1-01.000 | 0-0 | 0-0 |
Record by year
Counted by calendar year, January to December (default wins and losses are included; jigo and no-result games are not). Only games from 1927 onward are counted, so these totals do not match the career records published by the two Ki-in.
| Year | Record | Win rate |
|---|---|---|
| 2026 | 4-4 | .500 |
| 2025 | 6-3 | .667 |
| 2024 | 3-6 | .333 |
| 2023 | 0-1 | .000 |
| Total | 13-14 | .481 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).