Shaffer, Walter
Current rating: 1444
Record: 3-6
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 239 | Franz, Steve (1504) | Lost 0-2 | -181482 |
| 2modern | 844 | Van De Workeen, Charles (1432) | Lost 1-2 | -191463 |
| 3modern | 1175 | Ceccarani, Nikolas (1464) | Lost 0-2 | -181445 |
| 4modern | 1250 | Hennessey, Bob (1378) | Lost 1-2 | -191426 |
| 5modern | 1149 | Miller, Dakota (1426) | Won 2-0 | +181444 |
| 6modern | 967 | Edwards, Kevin (1463) | Lost 1-2 | -181426 |
| 7modern | 790 | Cerulli, Marc (1425) | Won 2-1 | +181444 |
| 8modern | 612 | Gorham, Andrew (1419) | Won 2-0 | +181462 |
| 9modern | 469 | Badrudin, Karim (1491) | Lost 1-2 | -181444 |
| average opponent: 1445record: 3-6 | new rating: 1444 | |||