Hatano, Tomoki
Current rating: 1540
Record: 5-3
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 28 | Takei, Taiki (1500) | Won 2-0 | +181518 |
| 2extended | 4 | Harada, Daisaku (1573) | Won 2-0 | +191537 |
| 3extended | 15 | Eura, Hiroki (1557) | Won 2-0 | +181555 |
| 4extended | 31 | Atsuta, Nao (1675) | Lost 1-2 | -151540 |
| 5extended | 45 | Takeda, Hiroki (1564) | Lost 0-2 | -181522 |
| 6extended | 110 | Kozakai, Yukio (1581) | Lost 0-2 | -171505 |
| 7extended | 103 | Mihara, Takumi (1433) | Won 2-0 | +171522 |
| 8extended | 76 | Yamada, Yasuo (1510) | Won 2-1 | +181540 |
| average opponent: 1549record: 5-3 | new rating: 1540 | |||