Thompson, Derek A
Current rating: 1540
Record: 13-11
| Grand Prix Chicago 2009 (legacy) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 154 | Beasley, Orrin (1624) | Lost 1-2 | -171522 |
| 3legacy | 421 | Mattiuzzo, Richard (1562) | Lost 0-2 | -171505 |
| 4legacy | 498 | Rae, Daniel M [USA] (1451) | Won 2-0 | +171522 |
| 5legacy | 377 | Chavez, Mike (1499) | Won 2-0 | +181540 |
| top | average opponent: 1534record: 2-2 | new rating: 1540 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 61 | DOVE-BUCK, ANDREW (1517) | Won 2-0 | +181519 |
| 2sealed | 182 | Ross, Joshua (1500) | Lost 0-2 | -181501 |
| 3sealed | 213 | Andersen, Christoffer (1501) | Lost 1-2 | -181483 |
| 4sealed | 294 | Cabanero, Erik (1499) | Won 2-1 | +181501 |
| 5sealed | 217 | Hemmann, Joseph (1487) | Won 2-1 | +181519 |
| 6sealed | 152 | Mead, Forrest (1600) | Won 2-0 | +191538 |
| 7sealed | 146 | Peek, Thomas (1536) | Won 2-1 | +181556 |
| 8sealed | 64 | Bertelsen, Nathan (1582) | Lost 1-2 | -171539 |
| top | average opponent: 1528record: 5-3 | new rating: 1539 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 241 | Ofner, Ted (1500) | Won 2-1 | +181501 |
| 2sealed | 117 | Byrd, Wes T (1505) | Lost 0-2 | -181483 |
| 3sealed | 416 | McNeill, Denny (1501) | Won 2-1 | +191502 |
| 4sealed | 268 | Boeckmann, Trevor (1523) | Lost 0-2 | -181484 |
| 5sealed | 294 | Plowman, Sean (1499) | Won 2-0 | +181502 |
| 6sealed | 244 | Kern, Derek m (1465) | Won 2-1 | +181520 |
| 7sealed | 103 | Lee, Lawrence (1474) | Lost 0-2 | -191501 |
| top | average opponent: 1495record: 4-3 | new rating: 1501 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 127 | Nagy, Stephen (1634) | Lost 1-2 | -161484 |
| 3extended | 285 | Poirier, Marc (1500) | Won 2-0 | +191503 |
| 4extended | 153 | McLaughlin, Charles (1466) | Won 2-0 | +171520 |
| 5extended | 69 | Chau, David (1517) | Lost 0-2 | -181502 |
| 6extended | 169 | Lancaster, Charles (1449) | Lost 1-2 | -191483 |
| top | average opponent: 1513record: 2-3 | new rating: 1483 | ||