Okamoto, Hiroaki
Current rating: 1502
Record: 3-3
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 168 | Higono, Naoki (1580) | Won 2-0 | +191519 |
| 2sealed | 117 | Sasaki, Yusuke(Miyagi) (1529) | Lost 1-2 | -171502 |
| 3sealed | 129 | Hio, Takumi (1500) | Won 2-0 | +181520 |
| 4sealed | 96 | Takahashi, Keiji (1519) | Lost 1-2 | -181502 |
| 5sealed | 124 | Ishiyama, Hiroki (1510) | Won 2-1 | +181520 |
| 6sealed | 89 | Igeta, Hirofumi (1521) | Lost 0-2 | -181502 |
| average opponent: 1527record: 3-3 | new rating: 1502 | |||