Ooto, Tadash
Current rating: 1485
Record: 3-4
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 241 | Ishikawa, Ryota (1464) | Won 2-1 | +171517 |
| 2block | 220 | Ikeda, Takashi (1499) | Won 2-0 | +181535 |
| 3block | 9 | Tanioka, Shin'ichi (1536) | Won 2-0 | +181553 |
| 4block | 38 | Hirabayashi, Kazuya (1687) | Lost 0-2 | -161537 |
| 5block | 129 | Tsuchiya, Heinrich (1572) | Lost 1-2 | -171520 |
| 6block | 188 | Sugiura, Hiroki (1522) | Lost 0-2 | -181502 |
| 7block | 223 | Imai, Kimio (1534) | Lost 0-2 | -171485 |
| average opponent: 1545record: 3-4 | new rating: 1485 | |||