Ishihara, Kazutae
Current rating: 1484
Record: 2-3
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 164 | Moriguchi, Taiyo (1521) | Won 2-1 | +181518 |
| 3block | 111 | Okada, Daisuke (1589) | Lost 1-2 | -161502 |
| 4block | 143 | Yoshikawa, Hiroshi (1553) | Lost 0-2 | -171485 |
| 5block | 285 | Mihara, Takumi (1417) | Won 2-1 | +161501 |
| 6block | 147 | Arime, Masaaki (1519) | Lost 1-2 | -171484 |
| average opponent: 1520record: 2-3 | new rating: 1484 | |||