Keppel, Christopher
Current rating: 1446
Record: 0-3-1
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 286 | Moretz, Joseph (1519) | Lost 0-2 | -181482 |
| 2extended | 370 | Wellington, Larry (1498) | Lost 0-2 | -171465 |
| 3extended | 425 | Harden, Carl (1464) | Draw 1-1 | 01465 |
| 4extended | 436 | Ringley, Matheau D (1432) | Lost 0-2 | -191446 |
| average opponent: 1478record: 0-3-1 | new rating: 1446 | |||