Oota, Hideaki
Current rating: 1535
Record: 5-3
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 81 | Yano, Ryuji (1575) | Lost 0-2 | -171483 |
| 2extended | 153 | Okabe, Tomoaki (1481) | Lost 0-2 | -181465 |
| 3extended | 158 | Tanii, Yuusuke (1446) | Lost 0-2 | -181447 |
| 4extended | 185 | Miura, Tadayuki (1428) | Won 2-1 | +181465 |
| 5extended | 171 | Miyake, Takaaki (1345) | Won 2-0 | +151480 |
| 6extended | 139 | Yagi, Naoki (1481) | Won 2-1 | +181498 |
| 7extended | 97 | Kobashi, Hideto (1498) | Won 2-0 | +181516 |
| 8extended | 71 | Kawai, Katsuya (1531) | Won 2-0 | +191535 |
| average opponent: 1473record: 5-3 | new rating: 1535 | |||