Sato, Akihisa
Current rating: 1418
Record: 4-9
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Miura, Seitarou (1535) | Won 2-0 | +201448 |
| 2standard | 22 | Kawaguchi, Takahiro (1463) | Lost 1-2 | -181430 |
| 3standard | 251 | Korenaga, Shingo (1502) | Won 2-0 | +201450 |
| 4standard | 137 | Kamei, Kazuhiko (1494) | Lost 1-2 | -181432 |
| 5standard | 270 | Dan, Takuya (1625) | Lost 0-2 | -141418 |
| average opponent: 1524record: 2-3 | new rating: 1418 | |||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 120 | Yoshioka, Kouji (1518) | Won 2-0 | +181518 |
| 2sealed | 135 | Murakami, Norichika (1472) | Lost 0-2 | -191499 |
| 3sealed | 160 | Kodera, Ryouta (1499) | Lost 0-2 | -181481 |
| 4sealed | 245 | Sakai, Naoko (1531) | Lost 1-2 | -171464 |
| 5sealed | 238 | Ishikawa, Masaki (1445) | Won 2-0 | +181482 |
| 6sealed | 193 | Kime, Shingo (1483) | Lost 0-2 | -181464 |
| 7sealed | 174 | Kawaguchi, Hikaru (1464) | Lost 1-2 | -181446 |
| 8sealed | 131 | Nakamura, Hiroya (1443) | Lost 0-2 | -181428 |
| average opponent: 1482record: 2-6 | new rating: 1428 | |||