Spencer, Nathan
Current rating: 1521
Record: 4-3
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 46 | Schmidt, William (1519) | Won 2-0 | +181518 |
| 3block | 5 | Larson, Andrew (1501) | Lost 0-2 | -181500 |
| 4block | 143 | Lombardi, Anthony (1518) | Lost 1-2 | -181482 |
| 5block | 182 | Kanon, Kyle (1499) | Won 2-1 | +191501 |
| 6block | 124 | Fiorillo, Vincent (1519) | Won 2-0 | +181519 |
| 7block | 76 | Levine, Andrew (1524) | Won 2-1 | +181537 |
| 8block | 64 | Starleaf, Derek (1651) | Lost 1-2 | -161521 |
| average opponent: 1533record: 4-3 | new rating: 1521 | |||