Isoshima, Hiroyuki
Current rating: 1500
Record: 3-3
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 404 | Ayama, Takashi (1500) | Lost 1-2 | -181482 |
| 2block | 490 | Kuno, Yoshihiro (1482) | Won 2-1 | +181500 |
| 3block | 391 | Ishii, Kenji (1500) | Lost 0-2 | -181482 |
| 4block | 494 | Yoneda, Yukihiro (1482) | Won 2-1 | +181500 |
| 5block | 338 | Onoda, Hiroshi (1483) | Won 2-0 | +181518 |
| 6block | 256 | Nakamura, Yoshimasa (1517) | Lost 0-2 | -181500 |
| average opponent: 1494record: 3-3 | new rating: 1500 | |||