Kumagai, Shouta
Current rating: 1499
Record: 3-4
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 646 | Iwamoto, Nobuyuki (1775) | Won 2-0 | +231523 |
| 4standard | 267 | Moriya, Toshihiko (1623) | Lost 0-2 | -161507 |
| 5standard | 611 | Yam, Wing Chun (1835) | Won 2-1 | +231530 |
| 6standard | 249 | Miyata, Kentaro (1553) | Lost 1-2 | -171513 |
| 7standard | 519 | Senba, Kotaro (1728) | Lost 0-2 | -141499 |
| 8standard | 507 | Tinen, Kousuke (1603) | Won 2-1 | +201519 |
| 9standard | 388 | Shiura, Takefumi (1443) | Lost 0-2 | -201499 |
| average opponent: 1651record: 3-4 | new rating: 1499 | |||