Mcgirk, Michael
Current rating: 1470
Record: 2-4
| Grand Prix Philadelphia 2005 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 157 | Siliekus, Michael (1500) | Won 2-1 | +181518 |
| 2legacy | 104 | Guardiano, Raymond (1518) | Won 2-1 | +181536 |
| 3legacy | 36 | Fiorillo, John (1755) | Lost 1-2 | -141522 |
| 4legacy | 140 | Baboussis, George (1591) | Lost 1-2 | -171505 |
| 5legacy | 174 | Wertz, Walter (1537) | Lost 0-1 | -171488 |
| 6legacy | 153 | Hanson, George (1485) | Lost 1-2 | -181470 |
| average opponent: 1564record: 2-4 | new rating: 1470 | |||