Sorensen, Peter J
Current rating: 1415
Record: 3-8-1
| Grand Prix Minneapolis 2012 (AVR standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 64 | Bergthold, Andrei (1500) | Lost 1-2 | -181446 |
| 2standard | 283 | Hubbard, Joseph (1469) | Lost 1-2 | -171429 |
| 3standard | 394 | Rudesill, Jake (1465) | Won 2-1 | +181447 |
| 4standard | 352 | Smith, Bob (1482) | Lost 0-2 | -171430 |
| 5standard | 419 | Bunker, Jacob (1463) | Won 2-1 | +191449 |
| 6standard | 374 | Williams, Corey (1482) | Lost 0-2 | -181431 |
| 7standard | 325 | Fisk, Lad (1465) | Lost 1-2 | -171414 |
| 8standard | 267 | Posont, Jack (1445) | Lost 1-2 | -181396 |
| 9standard | 234 | Weets, Valerie (1410) | Won 2-1 | +191415 |
| average opponent: 1465record: 3-6 | new rating: 1415 | |||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 174 | Spitzer, Craig (1538) | Lost 0-2 | -171483 |
| 2sealed | 357 | Hintz, Philip M (1428) | Lost 0-2 | -191464 |
| 3sealed | 497 | Williams, Eric (1463) | Draw 1-1 | 01464 |
| average opponent: 1477record: 0-2-1 | new rating: 1464 | |||