Henahan, Sean m
Current rating: 1505
Record: 3-3
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 30 | Martin, Jesse (1500) | Won 2-0 | +181518 |
| 2extended | 200 | Gagliardi, Joe (1678) | Won 2-1 | +211539 |
| 3extended | 101 | Countryman, Joseph (1595) | Lost 0-2 | -171522 |
| 4extended | 240 | Zanolli, Mario (1552) | Won 2-0 | +181540 |
| 5extended | 131 | Bacine, Noah (1505) | Lost 1-2 | -181522 |
| 6extended | 171 | Pallone, Eric P (1587) | Lost 0-2 | -171505 |
| average opponent: 1569record: 3-3 | new rating: 1505 | |||