Mastumoto, Shuji
Current rating: 1498
Record: 3-3-1
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 382 | Kawashima, Takeru (1500) | Won 2-1 | +181518 |
| 2legacy | 396 | Saito, Gaku (1519) | Lost 1-2 | -181500 |
| 3legacy | 891 | Inoue, Fumito (1499) | Lost 0-2 | -181482 |
| 4legacy | 901 | Shimizu, Ryo (1316) | Won 2-1 | +151497 |
| 5legacy | 663 | Sasaki, Takashi (1566) | Lost 0-2 | -171480 |
| 6legacy | 863 | Koga, Takashi (1478) | Won 2-0 | +181498 |
| 7legacy | 718 | Masuda, Satoshi (1503) | Draw 1-1 | 01498 |
| average opponent: 1483record: 3-3-1 | new rating: 1498 | |||