Peets, Griffin
Current rating: 1558
Record: 10-7
| Grand Prix Chicago 2009 (legacy) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 237 | Reece, Jonathan (1500) | Won 2-1 | +181522 |
| 2legacy | 20 | Tanner, Kasey (1504) | Won 2-0 | +181540 |
| 3legacy | 39 | Borowicz, Brandon (1519) | Won 2-0 | +171557 |
| 4legacy | 79 | Harvie, Donovan (1568) | Lost 1-2 | -181539 |
| 5legacy | 212 | Wyn, Bradly (1515) | Won 2-1 | +181557 |
| 6legacy | 129 | Carey, Brian J (1555) | Won 2-0 | +181575 |
| 7legacy | 84 | Wauer, Carl (1595) | Won 2-1 | +181593 |
| 8legacy | 14 | Becvar, Nick (1618) | Lost 1-2 | -171576 |
| 9legacy | 99 | Lohman, Martin D (1588) | Lost 0-2 | -181558 |
| average opponent: 1551record: 6-3 | new rating: 1558 | |||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 222 | Cote, Eric (1500) | Won 2-0 | +181518 |
| 2extended | 104 | Giovannagelo, Christopher (1500) | Won 2-0 | +181536 |
| 3extended | 132 | Mann, Corey (1560) | Lost 0-2 | -181518 |
| 4extended | 236 | Kim, Alex (1751) | Lost 0-2 | -141504 |
| 5extended | 311 | Milner, John M (1500) | Won 2-1 | +181522 |
| 6extended | 235 | Grube, Peter L (1520) | Won 1-0 | +181540 |
| 7extended | 118 | Elias, Matthew H (1534) | Lost 0-2 | -181522 |
| 8extended | 160 | Parsinitz, Ralph (1518) | Lost 0-2 | -181504 |
| average opponent: 1548record: 4-4 | new rating: 1504 | |||