Preuss, Derek
Current rating: 1466
Record: 1-3
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 145 | Hafer, Jared W (1501) | Lost 0-2 | -181482 |
| 2sealed | 413 | Marsh, Corwin (1621) | Won 2-0 | +211503 |
| 3sealed | 326 | Schell, Aaron (1498) | Lost 0-2 | -191484 |
| 4sealed | 398 | Spaner, Travis (1484) | Lost 0-2 | -181466 |
| average opponent: 1526record: 1-3 | new rating: 1466 | |||