Player profile of: Toshihiko Otsuka
Rating history | Chart | |||||
| List | Grade(s) | Elo | Total | Games | Wins (%) | |
|---|---|---|---|---|---|---|
| 2024-02-04 | 1 Dan | 1 Dan | 1642 | 45 | ||
| 2024-01 | 1 Dan | 1 Dan | 1642 | 45 | 9 | 2 (22%) |
| 2023-01 | 1 Dan | 1 Dan | 1715 | 36 | ||
| 2022-07 | 1 Dan | 1 Dan | 1715 | 36 | ||
| 2022-01 | 1 Dan | 1 Dan | 1715 | 36 | ||
| 2021-07 | 1 Dan | 1 Dan | 1715 | 36 | ||
| 2021-01 | 1 Dan | 1 Dan | 1715 | 36 | ||
| 2020-07 | 1 Dan | 1 Dan | 1715 | 36 | ||
| 2020-01 | 1 Dan | 1 Dan | 1715 | 36 | 9 | 3 (33%) |
| 2019-07 | 1 Dan | 1 Dan | 1762 | 27 | ||
| 2019-01 | 1 Dan | 1 Dan | 1762 | 27 | ||
| 2018-07 | 1 Dan | 1 Dan | 1762 | 27 | ||
| 2018-01 | 1 Dan | 1 Dan | 1762 | 27 | 9 | 5 (55%) |
| 2017-07 | 1 Kyu | 1 Dan | 1789 | 18 | ||
| 2017-01 | 1 Kyu | 1 Dan | 1789 | 18 | 16 | 9 (56%) |
| 43 | 19 (44%) | |||||
Tournament history | ||||||
| Event | Date | Elo | +/- | Rank | Games | Promoted to |
|---|---|---|---|---|---|---|
| ESC/WOSC 2023, Strasbourg | 2023-07-28 - 2023-07-30 | 1715 | -73 | 104 | 9 | |
| ESC/WOSC Bratislava 2019 | 2019-08-16 - 2019-08-18 | 1762 | -47 | 60 | 9 | |
| ESC/WOSC, Kiev | 2017-08-04 - 2017-08-06 | 1789 | -27 | 29 | 9 | 1 Dan |
| Ginko Open, Frankfurt | 2016-10-22 - 2016-10-23 | 1791 | -2 | 8 | 7 | 1 Kyu |
| ESC/WOSC 2016, Amsterdam, Netherlands | 2016-08-18 - 2016-08-21 | 1791* | 34 | 9 | 2 Kyu | |
| -149 | 43 | |||||