Duke, David
Current rating: 1464
Record: 2-4-1
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 178 | Bondurant, Ben (1500) | Won 2-0 | +181518 |
| 2block | 45 | Apodaca, Matthew (1518) | Draw 1-1 | 01518 |
| 3block | 108 | Elkins, Nathan (1567) | Lost 1-2 | -171501 |
| 4block | 202 | Angle, Mark (1481) | Won 2-1 | +181519 |
| 5block | 143 | Young, Kelvin (1533) | Lost 0-2 | -181501 |
| 6block | 184 | Sonka, Carl (1502) | Lost 0-2 | -181483 |
| 7block | 178 | Hatmaker, Charles (1465) | Lost 0-2 | -191464 |
| average opponent: 1509record: 2-4-1 | new rating: 1464 | |||