Akiyama, Taichi
Current rating: 1506
Record: 4-7
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 32 | Kato, Kensuke (1912) | Won 2-0 | +261492 |
| 3pioneer | 71 | Kawasaki, Keita (1780) | Lost 1-2 | -131479 |
| 4pioneer | 56 | Washimi, Kazuo (1764) | Won 2-0 | +231502 |
| 5pioneer | 9 | Saida, Toshihiro (1964) | Lost 0-2 | -101492 |
| 6pioneer | 48 | Nam, Sung Wook (1796) | Lost 1-2 | -131479 |
| 7pioneer | 53 | Ichikawa, Yuuki (1967) | Won 2-1 | +271506 |
| average opponent: 1864record: 3-3 | new rating: 1506 | |||
| Regional Championships Yokohama 2023 (ONE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 58 | Wada, Yuki (1873) | Lost 1-2 | -111489 |
| 2standard | 67 | Park, Geon-Wook (1648) | Won 2-0 | +201509 |
| 3standard | 35 | sohsuke, yamada (1507) | Lost 1-2 | -181491 |
| 4standard | 68 | Inui, Takashi (1740) | Lost 1-2 | -131478 |
| 5standard | 76 | Ikawa, Yoshihiko (1851) | Lost 1-2 | -121466 |
| average opponent: 1724record: 1-4 | new rating: 1466 | |||