Isa, Takahiro
Current rating: 1521
Record: 4-3
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 139 | Takahashi, Noboru (1469) | Lost 0-2 | -191481 |
| 3block | 288 | Takeda, Takamichi (1501) | Lost 0-2 | -171464 |
| 4block | 353 | Nakamura, Yoichi (1345) | Won 2-1 | +161480 |
| 5block | 271 | Kuniyoshi, Makio (1501) | Won 2-1 | +181498 |
| 6block | 179 | Itou, Shougo (1625) | Won 2-1 | +201518 |
| 7block | 133 | Usami, Taro (1603) | Lost 1-2 | -161502 |
| 8block | 139 | Okabayashi, Masanao (1585) | Won 2-1 | +191521 |
| average opponent: 1518record: 4-3 | new rating: 1521 | |||