Simpson, Aaron
Current rating: 1371
Record: 1-5 (GP) / 0-4 (professional)
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1387 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 128 | Corvese, Harry (1454) | Lost 1-2 | -161371 |
| top | record: 0-1 | new rating: 1371 | ||
| Pro Tour Los Angeles 2005 (extended) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 103 | Neary, Nicholas (1570) | Lost 0-2 | -161432 |
| 2extended | 125 | Monson, Kyle (1618) | Lost 0-2 | -141418 |
| 3extended | 145 | Iwashita, Yasuharu (1470) | Lost 1-2 | -181400 |
| 4extended | 159 | Goodman, Kyle (1672) | Lost 0-2 | -131387 |
| top | average opponent: 1582record: 0-4 | new rating: 1387 | ||
| Grand Prix Austin 2004 (COK limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Rubenstahl, Trevor (1500) | Won 2-1 | +191483 |
| 2sealed | 40 | Erdos, Stephen (1518) | Lost 1-2 | -181465 |
| 3sealed | 112 | Lorett, Danaon (1500) | Lost 0-2 | -171448 |
| top | average opponent: 1506record: 1-2 | new rating: 1448 | ||
| Grand Prix Dallas 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Braniff, Michael (1500) | Lost 0-2 | -181482 |
| 2sealed | 106 | Phu, Tai (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||