Hatano, Akira
Current rating: 1498
Record: 3-3
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 212 | Iioka, Kenta (1399) | Won 2-1 | +161516 |
| 2sealed | 151 | Toida, Kiyoshi (1485) | Won 2-0 | +181534 |
| 3sealed | 10 | Hirose, Yuuki (1609) | Lost 0-2 | -171517 |
| 4sealed | 90 | Yamabe, Tadayoshi (1510) | Lost 0-2 | -181499 |
| 5sealed | 153 | Mochizuki, Takahito (1443) | Won 2-1 | +171516 |
| 6sealed | 143 | Hasegawa, Hironobu (1520) | Lost 0-2 | -181498 |
| average opponent: 1494record: 3-3 | new rating: 1498 | |||