Ookubo, Yuuji
Current rating: 1424
Record: 1-5-2
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Morii, Takayuki (1500) | Draw 1-1 | 01500 |
| 2sealed | 107 | Fujimoto, Takehiro (Hyogo) (1496) | Draw 1-1 | 01500 |
| 3sealed | 146 | Yasukawa, Kazuhide (1383) | Lost 0-2 | -201480 |
| 4sealed | 179 | Nagai, Yuuki (1480) | Lost 0-2 | -181462 |
| 5sealed | 170 | Hosaka, Wataru (1361) | Lost 0-2 | -201442 |
| 6sealed | 148 | Sawa, Shinji (1426) | Won 1-0 | +181460 |
| 7sealed | 123 | Ooshima, Masateru (1448) | Lost 0-1 | -191441 |
| 8sealed | 106 | Minato, Takuma (1444) | Lost 1-2 | -171424 |
| average opponent: 1442record: 1-5-2 | new rating: 1424 | |||