Duke, Morris
Current rating: 1500
Record: 3-3
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 192 | Smith, Dan (1500) | Won 2-0 | +181518 |
| 2block | 80 | Chadha, Carlos (1493) | Lost 0-2 | -181500 |
| 3block | 203 | Upham, Michael (1500) | Won 2-0 | +181518 |
| 4block | 101 | Gardner, Nathan (1517) | Won 2-0 | +181536 |
| 5block | 112 | Flores, Tim (1536) | Lost 0-2 | -181518 |
| 6block | 150 | Hovis, Ryan (1519) | Lost 0-2 | -181500 |
| average opponent: 1511record: 3-3 | new rating: 1500 | |||