Nakaduka, Yuki
Current rating: 1500
Record: 3-3
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 18 | Kusumoto, Masahiro (1428) | Won 2-0 | +171517 |
| 2extended | 54 | Fujita, Gensho (1563) | Lost 1-2 | -171500 |
| 3extended | 110 | Saito, Hajime (1548) | Lost 0-2 | -181482 |
| 4extended | 157 | Ozaki, Youichirou (1448) | Won 2-1 | +181500 |
| 5extended | 102 | Takenaga, Tomohiro (1502) | Won 2-1 | +181518 |
| 6extended | 83 | Hashima, Takumi (1518) | Lost 1-2 | -181500 |
| average opponent: 1501record: 3-3 | new rating: 1500 | |||