McGrath, John 7649
Current rating: 1448
Record: 0-3
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 736 | Cortez, Jonathan (1500) | Lost 1-2 | -181482 |
| 2modern | 1001 | Rike, Justin (1581) | Lost 1-2 | -161466 |
| 3modern | 1215 | Stiefel, Robert (1466) | Lost 1-2 | -181448 |
| average opponent: 1516record: 0-3 | new rating: 1448 | |||