Underkoffler, Christian
Current rating: 1412
Record: 0-5
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 133 | Allseitz, Brandin (1524) | Lost 0-2 | -181482 |
| 2extended | 353 | McCoy, Kurtis (1584) | Lost 0-2 | -161466 |
| 3extended | 411 | Szamier, Cory T (1463) | Lost 1-2 | -181448 |
| 4extended | 439 | Sim, Richard (1449) | Lost 1-2 | -181430 |
| 5extended | 402 | Taylor, Jay (1428) | Lost 0-2 | -181412 |
| average opponent: 1489record: 0-5 | new rating: 1412 | |||