Igarashi, Ryouto
Current rating: 1376
Record: 2-9
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 353 | Ng, Kenji (1620) | Lost 1-2 | -151411 |
| 2legacy | 407 | Tanaka, Takehiro (1412) | Lost 1-2 | -181393 |
| 3legacy | 609 | Yucheng, Gai (1434) | Lost 0-2 | -171376 |
| average opponent: 1489record: 0-3 | new rating: 1376 | |||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 36 | Kono, Masahide (1541) | Won 2-0 | +191519 |
| 2extended | 70 | Nishikubo, Shogo (1519) | Lost 1-2 | -181501 |
| 3extended | 139 | Sando, Masao (1581) | Lost 0-2 | -171484 |
| 4extended | 174 | Tamai, Katsuyoshi (1464) | Lost 1-2 | -181466 |
| 5extended | 164 | Ito, Mitsuru (1462) | Lost 0-2 | -181448 |
| 6extended | 150 | Tomita, Kayoko (1357) | Won 2-0 | +161464 |
| 7extended | 119 | Yabuguchi, Youhei (1464) | Lost 1-2 | -181446 |
| 8extended | 105 | Iioka, Kenta (1319) | Lost 0-2 | -201426 |
| average opponent: 1463record: 2-6 | new rating: 1426 | |||