Hada, Mikio
Current rating: 1554
Record: 9-6
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 50 | Iwasaki, Akira (1518) | Lost 0-2 | -181534 |
| 3extended | 97 | Watanabe, Shinji (1479) | Won 2-1 | +171551 |
| 4extended | 61 | Nakamura, Hirobumi (1517) | Lost 0-2 | -191532 |
| 5extended | 121 | Katayama, Koujun (1500) | Won 2-0 | +181550 |
| 6extended | 89 | Ikuta, Tatsuya (1543) | Won 2-1 | +171567 |
| 7extended | 67 | Ishihara, Jun (1804) | Lost 0-2 | -131554 |
| average opponent: 1560record: 3-3 | new rating: 1554 | |||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 58 | Toda, Masaaki (1500) | Won 2-0 | +181518 |
| 2block | 270 | Noguchi, Takuo (1518) | Lost 1-2 | -181500 |
| 3block | 519 | Ochi, Takushi (1500) | Won 2-1 | +181518 |
| 4block | 317 | Anabuki, Kazuhisa (1498) | Lost 1-2 | -181500 |
| 5block | 430 | Yoshimura, Eiji (1500) | Won 2-0 | +181518 |
| 6block | 243 | Kozeni, Shougo (1517) | Won 2-0 | +181536 |
| 7block | 128 | Ito, Kenta (1501) | Won 2-1 | +171553 |
| 8block | 167 | Yoshida, Akira (1555) | Won 2-1 | +181571 |
| 9block | 98 | Imura, Kazuo (1539) | Lost 0-2 | -191552 |
| average opponent: 1514record: 6-3 | new rating: 1552 | |||