Posey, John
Current rating: 1464
Record: 0-2
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Brockmeyer, Adam (1500) | Lost 0-2 | -181482 |
| 2sealed | 209 | Messersmith, Tyler (1466) | Lost 0-2 | -181464 |
| average opponent: 1483record: 0-2 | new rating: 1464 | |||