Koshimoto, Daiki
Current rating: 1498
Record: 2-2
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 290 | Takahashi, Kenji (1480) | Won 0-0 | +181518 |
| 2sealed | 22 | Hamada, Akira (1625) | Lost 1-2 | -161502 |
| 3sealed | 209 | Suzuki, Ryuuichi (1372) | Won 2-0 | +151517 |
| 4sealed | 161 | Saitou, Kazuya (1424) | Lost 1-2 | -191498 |
| average opponent: 1475record: 2-2 | new rating: 1498 | |||