Hetherington, Michael R
Current rating: 1541
Record: 10-9-1
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 174 | Fleming, Joseph (1519) | Won 2-0 | +191487 |
| 3extended | 17 | Innace, Michael (1475) | Won 2-0 | +171504 |
| 4extended | 67 | Lewis, Christopher (1537) | Won 2-1 | +191523 |
| 5extended | 14 | Cuvelier, John (1618) | Won 2-1 | +201543 |
| 6extended | 16 | Schwartz, Gabriel (1818) | Won 2-0 | +231566 |
| 7extended | 2 | Cardin, Guillaume (1797) | Lost 1-2 | -141552 |
| 8extended | 40 | Wilson, Gregg A (1578) | Won 2-1 | +181570 |
| 9extended | 21 | Moir, Ben (1578) | Lost 1-2 | -181552 |
| 10extended | 18 | Six, Brian (1516) | Won 2-1 | +181570 |
| 11extended | 18 | Bellis, Ben (1620) | Lost 0-2 | -171553 |
| 12extended | 33 | Esposito, John (1657) | Won 2-1 | +191572 |
| 13extended | 30 | West, Alexander (1796) | Draw 1-1 | +41576 |
| 14extended | 26 | Sacher, AJ (1629) | Lost 1-2 | -171559 |
| 15extended | 35 | Li, Chen (1527) | Lost 0-2 | -181541 |
| average opponent: 1619record: 8-5-1 | new rating: 1541 | |||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 160 | Sullivan, Adrian (1605) | Lost 1-2 | -161484 |
| 3legacy | 257 | Schade, Gus (1503) | Won 2-1 | +181502 |
| 4legacy | 255 | DeLorenzo, Vincent (1432) | Won 2-0 | +171519 |
| 5legacy | 79 | Galbiati, Tim (1631) | Lost 1-2 | -161503 |
| 6legacy | 171 | Carp, Benjamin D (1519) | Lost 0-2 | -181485 |
| 7legacy | 202 | Strickland, Jeremy (1500) | Lost 0-2 | -171468 |
| average opponent: 1532record: 2-4 | new rating: 1468 | |||