Yamasaki, Masami
Current rating: 1431
Record: 0-4
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 85 | Sando, Masao (1586) | Lost 0-2 | -151431 |
| record: 0-1 | new rating: 1431 | |||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Sakaguchi, Hiroshi (1500) | Lost 1-2 | -181482 |
| 2sealed | 125 | Furujou, Takashi (1482) | Lost 0-2 | -181464 |
| 3sealed | 199 | Higuchi, Masaki (1464) | Lost 0-2 | -181446 |
| average opponent: 1482record: 0-3 | new rating: 1446 | |||