Foster, William [USA]
Current rating: 1449
Record: 5-8
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 125 | Harbison, Justin (1500) | Won 2-0 | +191463 |
| 3standard | 180 | Morgan, Jon E (1535) | Lost 0-2 | -171446 |
| 4standard | 215 | Shirley, James (1502) | Won 2-0 | +191465 |
| 5standard | 158 | Boritas, Evan (1536) | Lost 0-2 | -161449 |
| 6standard | 270 | Felt, Christopher (1464) | Won 2-1 | +181467 |
| 7standard | 141 | Leete, Aaron (1453) | Lost 0-2 | -181449 |
| average opponent: 1498record: 3-3 | new rating: 1449 | |||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 155 | Colwell, Jack (1500) | Lost 0-2 | -181482 |
| 2block | 206 | Naujoks, Brian (1483) | Won 2-1 | +181500 |
| 3block | 174 | Lopez, Dominic (1500) | Lost 1-2 | -181482 |
| 4block | 246 | Dykes, James (1364) | Lost 0-2 | -201462 |
| 5block | 241 | Walters, Les (1427) | Lost 1-2 | -191443 |
| 6block | 235 | Gebhart, Mark J (1481) | Lost 1-2 | -171426 |
| 7block | 196 | Southard, Dan (1427) | Won 2-0 | +181444 |
| average opponent: 1454record: 2-5 | new rating: 1444 | |||