Itotagawa, Godai
Current rating: 1540
Record: 5-3
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 309 | Suzuki, Masahiro 5436 (1610) | Won 2-0 | +201520 |
| 2sealed | 508 | Sato, Motohiko (1687) | Lost 1-2 | -151505 |
| 3sealed | 999 | Takanohashi, Tatsuya (1500) | Won 2-0 | +181523 |
| 4sealed | 282 | Shigemasa, Gaku (1615) | Won 2-1 | +201543 |
| 5sealed | 364 | Amemiya, Kouhei (1447) | Lost 0-2 | -201523 |
| 6sealed | 665 | Kurihara, Satoshi (1422) | Won 2-0 | +161539 |
| 7sealed | 454 | Ohira, Takashi (1509) | Lost 0-2 | -191520 |
| 8sealed | 379 | Uechi, Shintaro (1588) | Won 2-0 | +201540 |
| average opponent: 1547record: 5-3 | new rating: 1540 | |||