Chamberlain, Ward W
Current rating: 1482
Record: 3-4
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 139 | Foster, Dustin (1482) | Lost 0-2 | -181482 |
| 2sealed | 386 | Basham, Allan (1482) | Won 2-0 | +181500 |
| 3sealed | 317 | Farmer, Tref (1499) | Lost 0-2 | -181482 |
| 4sealed | 428 | Turner, James (1482) | Won 2-0 | +181500 |
| 5sealed | 272 | Johnson, Aaron m (1485) | Won 2-0 | +171517 |
| 6sealed | 253 | Dedych, Jon (1468) | Lost 0-2 | -181499 |
| 7sealed | 282 | Zima, Aaron (1602) | Lost 0-2 | -171482 |
| average opponent: 1500record: 3-4 | new rating: 1482 | |||