Sekiya, Daisuke
Current rating: 1480
Record: 4-7-1
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 117 | Kobayashi, Akira (1508) | Lost 0-2 | -171439 |
| 2pioneer | 102 | Karatsu, Yoshifumi (1670) | Won 2-0 | +221461 |
| 3pioneer | 78 | Imai, Kenta (1661) | Won 2-0 | +211482 |
| 4pioneer | 38 | Yoon, SooHan (1581) | Won 2-1 | +201502 |
| 5pioneer | 25 | Ishiguro, Satoshi (1719) | Draw 1-1 | +41506 |
| 6pioneer | 23 | Sato, Rei (1942) | Lost 1-2 | -111495 |
| 7pioneer | 43 | Onizuka, Hiroshi (1649) | Lost 0-2 | -151480 |
| average opponent: 1676record: 3-3-1 | new rating: 1480 | |||
| Regional Championships Aichi 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 45 | Kihara, Atsuki (1813) | Won 2-0 | +241524 |
| 2pioneer | 8 | Hishida, Akinori (1473) | Lost 1-2 | -191505 |
| 3pioneer | 59 | Sakata, Naoya (1577) | Lost 1-2 | -171488 |
| 4pioneer | 73 | Karatsu, Yoshifumi (1688) | Lost 1-2 | -141474 |
| 5pioneer | 86 | Hashimoto, Yoshinori (1477) | Lost 1-2 | -181456 |
| average opponent: 1606record: 1-4 | new rating: 1456 | |||