Roeth, John
Current rating: 1578
Record: 6-2
| Grand Prix Kansas City 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Basarich, Nathan (1500) | Won 2-0 | +181518 |
| 2sealed | 112 | Bernstein, Adam (1359) | Lost 0-2 | -211497 |
| 3sealed | 135 | Kuckler, Craig (1615) | Lost 0-2 | -161481 |
| 4sealed | 183 | Fitzpatrick, Mike (1457) | Won 2-1 | +181499 |
| 5sealed | 153 | Pustilnik, Michael (1818) | Won 2-1 | +231522 |
| 6sealed | 99 | Davis, Chase (1520) | Won 2-1 | +181540 |
| 7sealed | 69 | Linskey, Ed (1663) | Won 2-0 | +211561 |
| 8sealed | 43 | McMahon, Christopher (1525) | Won 2-0 | +171578 |
| average opponent: 1557record: 6-2 | new rating: 1578 | |||