Ishizuka, Masanori
Current rating: 1502
Record: 3-3
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 331 | Matsumoto, Kenji (1500) | Won 2-0 | +181518 |
| 2block | 153 | Tsunoda, Kotaro (1518) | Lost 0-2 | -181500 |
| 3block | 421 | Itou, Tomoya (1500) | Won 2-0 | +181518 |
| 4block | 345 | Naka, Taichiro (1500) | Lost 1-2 | -181500 |
| 5block | 475 | Imamichi, Takashi (1607) | Lost 1-2 | -161484 |
| 6block | 385 | Nishioka, Daisuke (1482) | Won 2-0 | +181502 |
| average opponent: 1518record: 3-3 | new rating: 1502 | |||