Markwart, Scott
Current rating: 1482
Record: 3-4-1
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 75 | Giguere, Eric (1500) | Lost 1-2 | -181482 |
| 2block | 173 | Kocinski, Ken (1483) | Lost 0-2 | -181464 |
| 3block | 237 | Holton, Drew (1463) | Lost 0-2 | -181446 |
| 4block | 269 | Richard, Elise (1446) | Draw 1-1 | 01446 |
| 5block | 231 | Sweet, James (1428) | Won 2-1 | +181464 |
| 6block | 190 | Meader, Sandra (1463) | Won 1-0 | +181482 |
| 7block | 145 | Mayer, Randy (1480) | Lost 1-2 | -181464 |
| 8block | 121 | Kowalski, Matt (1462) | Won 2-0 | +181482 |
| average opponent: 1466record: 3-4-1 | new rating: 1482 | |||