Poirier, Marc
Current rating: 1447
Record: 3-6
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 55 | Stallings, Sean B (1500) | Won 1-0 | +181518 |
| 2extended | 41 | Barker, Zach (1520) | Lost 0-2 | -181500 |
| 3extended | 285 | Thompson, Derek A (1484) | Lost 0-2 | -181482 |
| 4extended | 414 | Miller, Kyle (1572) | Lost 0-2 | -171465 |
| 5extended | 369 | Torres, Sergio (1463) | Lost 1-2 | -181447 |
| 6extended | 337 | Trice, Jason (1446) | Lost 1-2 | -181429 |
| 7extended | 285 | Sim, Richard (1431) | Won 2-1 | +181447 |
| 8extended | 223 | Taylor, Jay (1446) | Lost 0-2 | -181429 |
| 9extended | 179 | Rice, Eugene (1430) | Won 2-0 | +181447 |
| average opponent: 1477record: 3-6 | new rating: 1447 | |||