Miyazaki, Michimasa
Current rating: 1520
Record: 4-3
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 12 | Saitou, Kazuya (1433) | Lost 0-2 | -191481 |
| 2sealed | 206 | Mouri, Azuma (1463) | Won 2-0 | +171498 |
| 3sealed | 119 | Hatakeyama, Shota (1508) | Won 2-1 | +191517 |
| 4sealed | 154 | Shinozuka, Takaaki (1620) | Won 2-1 | +201537 |
| 5sealed | 60 | Yamamoto, Kenichirou (1534) | Won 2-0 | +171554 |
| 6sealed | 52 | Yamano, Tomoya (1700) | Lost 0-2 | -151539 |
| 7sealed | 78 | Minoshima, Takenori (1467) | Lost 1-2 | -191520 |
| average opponent: 1532record: 4-3 | new rating: 1520 | |||