Ooshima, Masateru
Current rating: 1467
Record: 2-4-1
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Kadota, Kimito (1500) | Lost 0-2 | -181482 |
| 2sealed | 159 | Kumagawa, Daisuke (1482) | Lost 1-2 | -181464 |
| 3sealed | 158 | Yamada, Chiaki (1465) | Won 2-0 | +181482 |
| 4sealed | 141 | Higuchi, Tatsuya (1482) | Lost 0-2 | -181464 |
| 5sealed | 158 | Maruyama, Tomohiro (1603) | Lost 1-2 | -151449 |
| 6sealed | 143 | Takata, Akira (1444) | Draw 1-1 | -11448 |
| 7sealed | 123 | Ookubo, Yuuji (1460) | Won 1-0 | +191467 |
| average opponent: 1491record: 2-4-1 | new rating: 1467 | |||