Yamaguchi, Kazuki
Current rating: 1536
Record: 5-3
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 90 | Fujimoto, Keiji (1500) | Won 1-0 | +181518 |
| 2block | 108 | Koyama, Masashi (1505) | Lost 0-2 | -181500 |
| 3block | 162 | Hashimoto, Yuu (Tokyo) (1501) | Won 2-0 | +181518 |
| 4block | 99 | Iizuka, Shun (1525) | Lost 0-2 | -181500 |
| 5block | 200 | Fujiyama, Teruyuki (1499) | Lost 0-2 | -181482 |
| 6block | 304 | Sakamoto, Masaaki (1465) | Won 2-1 | +181500 |
| 7block | 188 | Shima, Junichirou (1484) | Won 2-0 | +171517 |
| 8block | 137 | Nakano, Fumiki (1554) | Won 2-0 | +191536 |
| average opponent: 1504record: 5-3 | new rating: 1536 | |||