Collier, Jamie
Current rating: 1516
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 138 | Duterte, Daniel (1661) | Lost 1-2 | -161517 |
| 3modern | 595 | Moss, Laura (1499) | Won 2-0 | +181535 |
| 4modern | 581 | Belfatto, Michael (1494) | Lost 0-2 | -191516 |
| 5modern | 781 | Rohrer, Eric (1502) | Won 2-1 | +181534 |
| 6modern | 677 | Allotta, Jeff (1542) | Lost 0-2 | -181516 |
| top | average opponent: 1540record: 2-3 | new rating: 1516 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 343 | Lewis, Michael (1555) | Won 2-0 | +201484 |
| 2sealed | 72 | Donaldson, Darryl (1382) | Won 2-0 | +161500 |
| 3sealed | 48 | Lazaro, Andrew (1607) | Lost 1-2 | -161484 |
| 4sealed | 175 | Fleischmann-Rose, David (1551) | Won 2-0 | +191503 |
| 5sealed | 178 | Shield, Jeffrey (1595) | Lost 0-2 | -161487 |
| 6sealed | 336 | Muller, Chris (1480) | Won 2-0 | +181505 |
| 7sealed | 146 | Pompa, Robert (1612) | Lost 1-2 | -161489 |
| 8sealed | 194 | Terwilliger, Brian (1655) | Won 2-1 | +211510 |
| 9sealed | 137 | Frayman, Igor (1793) | Won 2-0 | +231533 |
| top | average opponent: 1581record: 6-3 | new rating: 1533 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 451 | Stein, Richard (1516) | Lost 0-2 | -181482 |
| 2sealed | 696 | Nijhawan, Rishi (1482) | Lost 0-2 | -181464 |
| 3sealed | 710 | Piela, Johnny (1463) | Won 2-1 | +181482 |
| 4sealed | 703 | Robinson, Jesse (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1486record: 1-3 | new rating: 1464 | ||