Sheffield, Randy Sway s
Current rating: 1467
Record: 4-6
| Grand Prix Quebec City 2013 (GTC standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 65 | Berube, Andre (1559) | Lost 1-2 | -181502 |
| 5standard | 118 | Moran, Stephen (1556) | Lost 0-2 | -171485 |
| 6standard | 227 | Bitzonis, Zachary (1463) | Lost 0-2 | -181467 |
| average opponent: 1526record: 0-3 | new rating: 1467 | |||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 446 | Rivera, Jay J (1500) | Lost 0-2 | -181482 |
| 3sealed | 534 | Martin, Bob (1439) | Won 2-0 | +171499 |
| 4sealed | 502 | McLaughlin, Morgan (1568) | Won 2-1 | +191518 |
| 5sealed | 416 | Mohan, Joshua (1538) | Won 2-1 | +191537 |
| 6sealed | 394 | Lee, Benson S (1536) | Lost 0-2 | -181519 |
| 7sealed | 382 | Van Leeuwen, Andrew (1521) | Won 2-0 | +181537 |
| 8sealed | 377 | Rietze, Robert (1581) | Lost 0-2 | -171520 |
| average opponent: 1526record: 4-3 | new rating: 1520 | |||