Usuki, Goichi
Current rating: 1482
Record: 2-3
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 362 | Miki, Takatoshi (1374) | Won 2-0 | +161516 |
| 2sealed | 557 | Nuruki, Hiroaki (1789) | Lost 1-2 | -131503 |
| 3sealed | 764 | Kamezawa, Yoshifumi (1499) | Won 2-1 | +181521 |
| 4sealed | 535 | Sakakibara, Hisashi (1546) | Lost 0-2 | -181503 |
| 5sealed | 849 | Kaido, Yoshiaki (1365) | Lost 1-2 | -211482 |
| average opponent: 1515record: 2-3 | new rating: 1482 | |||