Sato, Hiroshi
Current rating: 1537
Record: 8-7-1
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 221 | Muramatsu, Yasuhiro (1553) | Won 2-1 | +191503 |
| 2standard | 188 | Ishikawa, Shou (1753) | Won 2-1 | +231526 |
| 3standard | 87 | Yamaguchi, Tetsuya (1634) | Won 2-1 | +201546 |
| 4standard | 81 | Masuno, Ryosuke (1823) | Won 2-0 | +231569 |
| 5standard | 26 | Tokuyama, Yoshihiko (1574) | Lost 1-2 | -181551 |
| 6standard | 64 | Kimura, Shigeki (1590) | Lost 0-2 | -181533 |
| 7standard | 138 | Sasaki, Yuusuke (1602) | Won 2-1 | +201553 |
| 8standard | 97 | Takahashi, Youichi (1486) | Draw 1-1 | -21551 |
| 9standard | 95 | Ishii, Hayato (1762) | Lost 1-2 | -141537 |
| average opponent: 1642record: 5-3-1 | new rating: 1537 | |||
| Grand Prix Sendai 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 86 | Hase, Akira (1464) | Lost 1-2 | -191481 |
| 3extended | 100 | Kiso, Yasuko (1500) | Won 2-0 | +191500 |
| 4extended | 85 | Hsiung, Kenny (1593) | Lost 0-2 | -171483 |
| 5extended | 133 | Jennings, Heath L (1465) | Lost 0-2 | -181465 |
| 6extended | 142 | Suzuki, Yasutomo (1482) | Lost 1-2 | -181447 |
| 7extended | 130 | Shimizu, Yasuyuki (1462) | Won 2-0 | +191466 |
| 8extended | 110 | Matsuki, Hitoshi (1482) | Won 2-1 | +181484 |
| average opponent: 1492record: 3-4 | new rating: 1484 | |||