Posniewski, Christopher M
Current rating: 1518
Record: 9-8
| Grand Prix Denver 2013 (legacy) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 23 | Calkin, Casey (1500) | Won 2-0 | +171535 |
| 2legacy | 31 | Silsby, Erik (1518) | Lost 1-2 | -181517 |
| 3legacy | 165 | Rogers, Joshua (1496) | Lost 0-2 | -181499 |
| 4legacy | 297 | Long, Kevin (1527) | Lost 0-2 | -181481 |
| 5legacy | 290 | Fehling, Patrick (1527) | Won 2-0 | +191500 |
| 6legacy | 255 | Frame, Kendal (1558) | Lost 0-2 | -171483 |
| 7legacy | 220 | Decarolis, David (1463) | Won 2-1 | +181501 |
| 8legacy | 174 | Parsons, Michael (1463) | Won 2-1 | +171518 |
| average opponent: 1507record: 4-4 | new rating: 1518 | |||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 12 | Barth-Reynolds, Robert (1500) | Won 2-1 | +181518 |
| 2block | 11 | Daniel, David (1501) | Lost 1-2 | -181500 |
| 3block | 172 | Cagle, James (1482) | Won 2-0 | +171517 |
| 4block | 137 | Garcia, Kevin (1430) | Lost 1-2 | -191498 |
| 5block | 207 | Vlahos, Scott P (1503) | Won 2-0 | +181516 |
| 6block | 141 | Wilcox-o hearn, Bryce (1522) | Won 2-0 | +181534 |
| 7block | 91 | Abraham, Andrew (1533) | Lost 1-2 | -181516 |
| 8block | 123 | Jackson, Mckenzie (1516) | Won 2-0 | +181534 |
| 9block | 86 | Davis, Scott (1621) | Lost 0-2 | -161518 |
| average opponent: 1512record: 5-4 | new rating: 1518 | |||