Tokunaga, Masayuki
Current rating: 1411
Record: 1-6
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 615 | Takano, Natsuki (1504) | Lost 0-2 | -171445 |
| 2sealed | 634 | Odachi, Takuhei (1483) | Lost 0-2 | -181427 |
| 3sealed | 1039 | Kozai, Tomonori (1538) | Lost 1-2 | -161411 |
| average opponent: 1508record: 0-3 | new rating: 1411 | |||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 422 | Ouchi, Yoshitaka (1500) | Won 2-0 | +181518 |
| 2sealed | 139 | Suzuki, Taketo (1518) | Lost 0-2 | -181500 |
| 3sealed | 489 | Takezawa, Kouhei (1479) | Lost 0-2 | -181482 |
| 4sealed | 426 | Adikoesoemo, Austein (1390) | Lost 0-2 | -201462 |
| average opponent: 1472record: 1-3 | new rating: 1462 | |||