Thorsen, Donald
Current rating: 1468
Record: 2-4
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 138 | Schreiber, Marc (1500) | Lost 0-2 | -181464 |
| 2sealed | 642 | Tunison, Drew (1533) | Lost 1-2 | -161448 |
| 3sealed | 656 | Miller, Robert (1464) | Won 2-0 | +181466 |
| 4sealed | 529 | Palovich, Chris (1466) | Won 2-1 | +181484 |
| 5sealed | 529 | Klein, Will R (1617) | Lost 0-2 | -161468 |
| average opponent: 1516record: 2-3 | new rating: 1468 | |||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 139 | Hammer, James (1500) | Lost 1-2 | -181482 |
| record: 0-1 | new rating: 1482 | |||