Tonami, Kouhei
Current rating: 1500
Record: 3-3
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 204 | Iwabuchi, Masaki (1537) | Won 2-1 | +191519 |
| 2legacy | 266 | Matsumata, Syusaku (1355) | Won 2-0 | +151534 |
| 3legacy | 51 | Kosho, Tomoya (1575) | Lost 1-2 | -181516 |
| 4legacy | 226 | Sekiguchi, Kota (1631) | Lost 0-2 | -151501 |
| 5legacy | 510 | Ishikawa, Takuma 3754 (1570) | Lost 0-2 | -171484 |
| 6legacy | 510 | Toshida, Shin'ichi (1397) | Won 2-0 | +161500 |
| average opponent: 1511record: 3-3 | new rating: 1500 | |||