Kowalski, Matt
Current rating: 1444
Record: 2-5-1
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 181 | Nolan, Christina (1462) | Draw 1-1 | -11499 |
| 2block | 149 | Freeman, Wilson (1500) | Lost 0-2 | -181481 |
| 3block | 224 | Jobin, Kathryn (1445) | Won 2-1 | +181499 |
| 4block | 195 | Schnepp, Josh (1500) | Lost 0-2 | -181481 |
| 5block | 204 | Skeim, David (1464) | Won 2-0 | +171498 |
| 6block | 154 | Rungee, Tony (1500) | Lost 1-2 | -181480 |
| 7block | 144 | Mayer, D.j. (1482) | Lost 0-2 | -181462 |
| 8block | 121 | Markwart, Scott (1464) | Lost 0-2 | -181444 |
| average opponent: 1477record: 2-5-1 | new rating: 1444 | |||