Ootsuka, Hitoki
Current rating: 1503
Record: 3-3
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Uchida, Momotarou (1514) | Lost 0-2 | -181482 |
| 2sealed | 146 | Mouri, Azuma (1484) | Won 2-1 | +181500 |
| 3sealed | 111 | Ogawa, Masafumi (1513) | Lost 1-2 | -171483 |
| 4sealed | 139 | Tanaka, Toshinori (1484) | Won 2-0 | +181501 |
| 5sealed | 101 | Nakazuka, Yuuki (1514) | Won 2-0 | +181519 |
| 6sealed | 103 | Takahashi, Yuta (1630) | Lost 1-2 | -161503 |
| average opponent: 1523record: 3-3 | new rating: 1503 | |||