Maher, Greg
Current rating: 1465
Record: 3-5
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 44 | Lipczynski, Aaron (1622) | Lost 0-2 | -161484 |
| 2block | 162 | Grim, Christian (1464) | Lost 0-2 | -181466 |
| 3block | 265 | Storey, Zachary (1482) | Won 2-0 | +181484 |
| 4block | 207 | Gerbic, Jim (1431) | Lost 0-2 | -191465 |
| 5block | 215 | Upham, Bryan (1466) | Lost 0-2 | -181447 |
| 6block | 195 | Goudy, Jeffrey (1446) | Won 2-1 | +181465 |
| 7block | 153 | Magoss, David (1465) | Won 2-1 | +181483 |
| 8block | 110 | Fiorillo, John (1495) | Lost 0-2 | -181465 |
| average opponent: 1484record: 3-5 | new rating: 1465 | |||