Yamazaki, Hiroyuki(Fukushima
Current rating: 1489
Record: 6-7
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | Iioka, Kenta (1340) | Won 2-1 | +161498 |
| 2sealed | 156 | Harada, Satoshi (1579) | Lost 1-2 | -171481 |
| 3sealed | 237 | Kuze, Kazuyoshi (1511) | Won 2-0 | +191500 |
| 4sealed | 74 | Arita, Ryuichi (1612) | Lost 0-2 | -161484 |
| 5sealed | 156 | Kurisu, Takashi (1585) | Won 2-1 | +201504 |
| 6sealed | 98 | Shimizu, Hajime (1636) | Lost 1-2 | -161488 |
| 7sealed | 133 | Kodama, Aritsune (1500) | Won 2-1 | +181506 |
| 8sealed | 88 | Takeda, Hiroki (1547) | Lost 0-2 | -171489 |
| average opponent: 1539record: 4-4 | new rating: 1489 | |||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 90 | Komiyama, Hideki (1500) | Won 2-0 | +181518 |
| 2sealed | 95 | Neki, Haruyuki (1526) | Lost 0-2 | -181500 |
| 3sealed | 267 | Yamaguchi, Kazuhiro (1518) | Won 2-1 | +181518 |
| 4sealed | 162 | Mizukoshi, Hideyuki (1518) | Lost 0-2 | -181500 |
| 5sealed | 179 | Ishida, Hidenori (1499) | Lost 0-2 | -181482 |
| average opponent: 1512record: 2-3 | new rating: 1482 | |||