Carl, Derek A
Current rating: 1481
Record: 4-5
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 149 | Smith, William (1500) | Won 2-0 | +181518 |
| 2sealed | 282 | Larson, Greg (1514) | Won 2-1 | +181536 |
| 3sealed | 162 | Nelson, Evan (1518) | Lost 0-2 | -181518 |
| 4sealed | 263 | Nguyen, Charlie (1483) | Lost 0-2 | -191499 |
| 5sealed | 344 | Duncan, Frederick (1500) | Lost 1-2 | -181481 |
| 6sealed | 387 | Maine, Trevor (1481) | Won 2-0 | +181499 |
| 7sealed | 263 | Gadzinski, Grae (1498) | Lost 1-2 | -181481 |
| 8sealed | 246 | Glastra, Josh (1483) | Won 2-1 | +181499 |
| 9sealed | 194 | Bowman, Nic (1501) | Lost 0-2 | -181481 |
| average opponent: 1498record: 4-5 | new rating: 1481 | |||