Ooshima, Tatsurou
Current rating: 1445
Record: 1-4
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Iwaki, Hiroyuki (1482) | Lost 0-0 | -181482 |
| 2sealed | 262 | Mototake, Yusuke (1462) | Won 2-1 | +171499 |
| 3sealed | 124 | Watanabe, Shinji (1505) | Lost 0-2 | -181481 |
| 4sealed | 238 | Okunaka, Masaki (1480) | Lost 0-2 | -181463 |
| 5sealed | 238 | Mizutani, Yuki (1425) | Lost 0-2 | -181445 |
| average opponent: 1471record: 1-4 | new rating: 1445 | |||