Shiraishi, Naotsugu
Current rating: 1500
Record: 3-3
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 56 | Kusaka, Tadateru (1558) | Lost 0-1 | -171483 |
| 2extended | 147 | Nakamura, Kousuke (1448) | Lost 0-2 | -191464 |
| 3extended | 172 | Yamashita, Kohji (1440) | Won 2-1 | +181482 |
| 4extended | 173 | Kamei, Hidenori (1482) | Won 2-0 | +181500 |
| 5extended | 128 | Ishihara, Kosuke (1501) | Won 2-0 | +181518 |
| 6extended | 105 | Kawai, Masato (1501) | Lost 0-2 | -181500 |
| average opponent: 1488record: 3-3 | new rating: 1500 | |||