Ikeyama, Shingo
Current rating: 1556
Record: 9-8
| Regional Championships Yokohama 2023 (ONE standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 52 | Sakuta, Akira (1649) | Won 2-1 | +211505 |
| 2standard | 34 | Kanai, Shoma (1521) | Won 2-0 | +181523 |
| 3standard | 9 | Ishikawa, Takahiro (1579) | Lost 1-2 | -171506 |
| 4standard | 22 | Utsunomiya, Takumi (1995) | Won 2-1 | +261532 |
| 5standard | 7 | Segou, Kenji (1892) | Lost 0-2 | -111521 |
| 6standard | 32 | Kimura, Shunsuke (1574) | Lost 1-2 | -171504 |
| 7standard | 36 | Kitamura, Shuhei (1507) | Won 2-1 | +181522 |
| 8standard | 29 | Kondo, Shogo (1804) | Lost 0-2 | -131509 |
| 9standard | 31 | Takahashi, Ryo (1631) | Won 2-1 | +201529 |
| 10standard | 22 | Kono, Toru (1856) | Lost 1-2 | -121517 |
| 11standard | 25 | Washimi, Kazuo (1714) | Won 2-1 | +211538 |
| 12standard | 23 | Ishii, Taiyo (1551) | Won 2-0 | +181556 |
| average opponent: 1689record: 7-5 | new rating: 1556 | |||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 231 | Yoshida, Kazuaki (1510) | Won 2-0 | +181518 |
| 2pioneer | 226 | Jinnai, Ryosuke (1464) | Lost 1-2 | -191499 |
| 3pioneer | 596 | Yoshino, Takahiko (1545) | Lost 0-2 | -171482 |
| 4pioneer | 581 | Fujimoto, Kazuki (1422) | Won 2-1 | +171499 |
| 5pioneer | 585 | Ishiguro, Satoshi6674 (1656) | Lost 0-2 | -151484 |
| average opponent: 1519record: 2-3 | new rating: 1484 | |||