Akamine, Toshihiro
Current rating: 1425
Record: 2-6
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 55 | Izumi, Kimiaki (1491) | Won 2-0 | +181518 |
| 2extended | 30 | Uemura, Akihito (1499) | Lost 0-2 | -181500 |
| 3extended | 152 | Hitomi, Masaaki (1480) | Won 2-1 | +171517 |
| 4extended | 80 | Okuda, Masateru (1519) | Lost 0-2 | -181499 |
| 5extended | 110 | Teramoto, Shoji (1495) | Lost 0-2 | -181481 |
| 6extended | 127 | Yoshinobu, Takashi (1435) | Lost 1-2 | -191462 |
| 7extended | 118 | Kamei, Hidenori (1400) | Lost 1-2 | -191443 |
| 8extended | 104 | Toda, Satoshi (1446) | Lost 0-2 | -181425 |
| average opponent: 1471record: 2-6 | new rating: 1425 | |||