Iwahashi, Minoru
Current rating: 1599
Record: 6-1
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 198 | Shimeno, Yu (1478) | Won 2-1 | +181518 |
| 2sealed | 95 | Takahashi, Yuu (1518) | Won 2-1 | +181536 |
| 3sealed | 20 | Miyauchi, Makoto (1594) | Won 2-0 | +191555 |
| 4sealed | 8 | Tanaka, Hisaya (1786) | Won 2-1 | +221577 |
| 5sealed | 32 | Noguchi, Keita (1534) | Won 2-1 | +171594 |
| 6sealed | 3 | Higashida, Keita (1609) | Won 2-1 | +181612 |
| 7sealed | 5 | Mihara, Makihito (1870) | Lost 1-2 | -131599 |
| average opponent: 1627record: 6-1 | new rating: 1599 | |||