Iwata, Hiroshi
Current rating: 1552
Record: 6-3
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 120 | Minamoto, Kohei (1500) | Won 2-0 | +181518 |
| 2block | 10 | Okumura, Atsushi (1536) | Won 2-0 | +181536 |
| 3block | 38 | Suzuki, Kei (1518) | Lost 1-2 | -181518 |
| 4block | 286 | Kataoka, Makihiko (1517) | Won 2-0 | +181536 |
| 5block | 104 | Tsuji, Hisanao (1519) | Won 2-1 | +181554 |
| 6block | 50 | Sato, So (1471) | Lost 0-2 | -201534 |
| 7block | 224 | Kito, Takeshi (1535) | Won 1-0 | +181552 |
| 8block | 157 | Takano, Yoshinori (1537) | Lost 1-2 | -181534 |
| 9block | 143 | Noguchi, Masami (1532) | Won 2-1 | +181552 |
| average opponent: 1518record: 6-3 | new rating: 1552 | |||