Miyazaki, Yuuichirou
Current rating: 1439
Record: 3-7
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Kurihara, Tomo (1562) | Lost 1-2 | -161432 |
| 2sealed | 167 | Haratake, Noriyuki (1422) | Won 2-1 | +181450 |
| 3sealed | 89 | Nishihara, Naoto (1500) | Won 2-0 | +191469 |
| 4sealed | 114 | Sasaki, Yusuke (Tokyo) (1851) | Lost 0-2 | -121457 |
| 5sealed | 133 | Nakamura, Masanobu (1447) | Lost 1-2 | -181439 |
| average opponent: 1556record: 2-3 | new rating: 1439 | |||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 231 | Ishibashi, Satoshi (1525) | Lost 0-0 | -181482 |
| 2sealed | 217 | Curry, Neil (1482) | Won 2-1 | +181500 |
| 3sealed | 182 | Torigoe, Seitaro (1484) | Lost 0-2 | -181482 |
| 4sealed | 240 | Fujisawa, Masashi (1542) | Lost 0-2 | -171465 |
| 5sealed | 239 | Kanegawa, Toshiya (1498) | Lost 0-2 | -171448 |
| average opponent: 1506record: 1-4 | new rating: 1448 | |||