Sakanaga, Isamu
Current rating: 1500
Record: 4-4
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 68 | Mishima, Yuuichirou (1500) | Lost 0-2 | -181482 |
| 2block | 519 | Kinoshita, Takuto (1482) | Lost 0-2 | -181464 |
| 3block | 593 | Nakata, Kengo (1464) | Won 2-1 | +181482 |
| 4block | 590 | Nishigaki, Kazuhiro (1483) | Won 2-1 | +181500 |
| 5block | 391 | Kondo, Mitsuhiro (1483) | Lost 0-2 | -181482 |
| 6block | 395 | Hanae, Yutaka (1482) | Won 2-0 | +181500 |
| 7block | 325 | Nakatsuka, Naoki (1497) | Won 2-0 | +181518 |
| 8block | 246 | Uchimura, Takahiko (1518) | Lost 0-2 | -181500 |
| average opponent: 1489record: 4-4 | new rating: 1500 | |||