Tamaki, Satoshi
Current rating: 1501
Record: 5-5
| Grand Prix Okayama 2004 (extended) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 52 | Oota, Kouhei (1481) | Won 2-1 | +171536 |
| 2extended | 28 | Sando, Masao (1632) | Lost 1-2 | -161520 |
| 3extended | 102 | Aoki, Yuichiro (1501) | Lost 0-2 | -191501 |
| average opponent: 1538record: 1-2 | new rating: 1501 | |||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 199 | Sato, Kimihiko (1628) | Won 2-0 | +201520 |
| 2sealed | 177 | Murata, Kouji (1570) | Won 2-0 | +191539 |
| 3sealed | 26 | Matsushita, Masakazu (1518) | Lost 1-2 | -181521 |
| 4sealed | 151 | Yashiro, Takuya (1518) | Won 2-0 | +181539 |
| 5sealed | 49 | Nose, Koji (1434) | Lost 1-2 | -201519 |
| 6sealed | 161 | Okada, Yuki (1518) | Won 2-0 | +181537 |
| 7sealed | 111 | Hisaki, Yuu (1530) | Lost 1-2 | -181519 |
| average opponent: 1531record: 4-3 | new rating: 1519 | |||