Schaffer, Shawn
Current rating: 1465
Record: 1-3
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 384 | Maholic, Ross (1500) | Lost 1-2 | -181482 |
| 2sealed | 448 | Mytinger, John (1516) | Won 2-1 | +191501 |
| 3sealed | 366 | McCorkle-Reed, Charles (1500) | Lost 1-2 | -181483 |
| 4sealed | 518 | Lawson, Duncan (1481) | Lost 1-2 | -181465 |
| average opponent: 1499record: 1-3 | new rating: 1465 | |||