Sato, Ken
Current rating: 1487
Record: 4-5
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 34 | Itou, Masahito (1523) | Lost 0-2 | -171487 |
| record: 0-1 | new rating: 1487 | |||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 123 | Seki, Kazuhiko (1556) | Lost 1-2 | -171483 |
| 2block | 281 | Hirata, Tatsuya (1482) | Lost 1-2 | -181465 |
| 3block | 367 | Kosugi, Souichi (1463) | Won 2-0 | +181483 |
| 4block | 309 | Yamagishi, Norikazu (1448) | Won 2-0 | +171500 |
| 5block | 195 | Takamatsu, Hiroomi (1499) | Won 2-0 | +181518 |
| 6block | 214 | Hasegawa, Gaku (1502) | Won 2-0 | +181536 |
| 7block | 97 | Matsuki, Takashi (1692) | Lost 0-2 | -151521 |
| 8block | 154 | Fukuchi, Takahiro (1611) | Lost 0-2 | -171504 |
| average opponent: 1532record: 4-4 | new rating: 1504 | |||