Iwerks, Christopher
Current rating: 1537
| Grand Prix Charlotte 2015 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 867 | Koprowski, John (1481) | Won 2-0 | +181498 |
| 2modern | 834 | Wakefield, Bryan (1500) | Won 2-1 | +181516 |
| 3modern | 850 | Perron, Tyler (1554) | Lost 0-2 | -171499 |
| 4modern | 899 | Wise, Brad (1472) | Won 2-0 | +171516 |
| 5modern | 752 | Quintero, Pedro (1440) | Lost 1-2 | -191497 |
| 6modern | 835 | Friedman, Samuel (1789) | Won 2-1 | +231520 |
| 7modern | 669 | Clark, Jason (1657) | Won 2-1 | +201540 |
| 8modern | 601 | McConnell II, Esker (1353) | Won 2-0 | +151555 |
| 9modern | 597 | Rosenfeld, Ian (1569) | Lost 0-2 | -181537 |
| top | average opponent: 1535record: 6-3 | new rating: 1537 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 81 | Burt, Anthony (1451) | Won 2-0 | +181465 |
| 3extended | 53 | Neuenschwander, Erich (1524) | Won 2-0 | +191484 |
| 4extended | 14 | Schneider, Travis (1535) | Lost 1-2 | -171467 |
| 5extended | 126 | Keaveny, Joseph (1730) | Won 2-1 | +221489 |
| 6extended | 90 | Ravitz, Joshua (1895) | Lost 0-2 | -111478 |
| 7extended | 120 | Christensen, Andrew (1537) | Won 2-0 | +191497 |
| 8extended | 43 | Pena, Jason (1529) | Lost 1-2 | -171480 |
| top | average opponent: 1600record: 4-3 | new rating: 1480 | ||
| Grand Prix Atlanta 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | DeAngelo, John (1504) | Lost 1-2 | -181482 |
| 2sealed | 219 | Keesling, Jarrod (1465) | Lost 1-2 | -181464 |
| 3sealed | 276 | Scoggins, Edward A (1510) | Lost 0-2 | -171447 |
| 4sealed | 291 | Savoy, Allen (1446) | Won 2-0 | +181465 |
| 5sealed | 236 | Gerard, Vinicius (1464) | Lost 0-2 | -181447 |
| 6sealed | 212 | Lacoste, Steven (1447) | Won 2-0 | +181465 |
| 7sealed | 169 | Ingersoll, Chris (1462) | Lost 1-2 | -181447 |
| top | average opponent: 1471record: 2-5 | new rating: 1447 | ||