Griswold, Ethan
Current rating: 1448
Record: 5-9
| Grand Prix Chiba 2016 (legacy) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 175 | Tamura, Ryo (1810) | Won 2-1 | +241472 |
| 4legacy | 152 | Iwasaki, Koichi (1438) | Lost 0-2 | -181454 |
| 5legacy | 401 | Ishii, Taisuke (1671) | Lost 1-2 | -141440 |
| 6legacy | 574 | Ozawa, Tetsuya (1598) | Lost 0-2 | -151425 |
| 7legacy | 675 | Atsumi, Yoshihiro (1533) | Won 2-1 | +201445 |
| 8legacy | 603 | Kabemura, Toshiki (1503) | Won 2-1 | +191464 |
| 9legacy | 347 | Saito, Yuki (1567) | Lost 1-2 | -161448 |
| average opponent: 1589record: 3-4 | new rating: 1448 | |||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 66 | Hickey, Jon (1500) | Lost 0-2 | -181482 |
| 2legacy | 762 | Klemic, Michael (1524) | Won 2-0 | +191501 |
| 3legacy | 561 | Simpson, Jeffrey (1564) | Lost 1-2 | -171484 |
| 4legacy | 729 | Rethemeier, Chris (1479) | Lost 0-2 | -181466 |
| 5legacy | 780 | Anderson, Eric (1473) | Won 2-0 | +181484 |
| 6legacy | 595 | Dalgliesh, Eric (1497) | Lost 0-2 | -181466 |
| 7legacy | 564 | Tenace, Frank (1462) | Lost 1-2 | -181448 |
| average opponent: 1500record: 2-5 | new rating: 1448 | |||