Sekiguchi, Yutaka
Current rating: 1448
Record: 1-4-1
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 117 | Akita, Naoto (1521) | Lost 0-2 | -181482 |
| 3block | 219 | Hoshino, Yuuki (1500) | Won 2-0 | +191501 |
| 4block | 247 | Takakuwa, Yusuke (1517) | Draw 1-1 | 01501 |
| 5block | 174 | Sekine, Morio (1523) | Lost 0-2 | -181483 |
| 6block | 233 | Hioki, Keisuke (1519) | Lost 0-2 | -171466 |
| 7block | 256 | Mochiduki, Kouya (1485) | Lost 1-2 | -181448 |
| average opponent: 1511record: 1-4-1 | new rating: 1448 | |||