Mathews, Mark
Current rating: 1464
Record: 1-3-1
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 178 | Schwartz, Greg (1478) | Draw 1-1 | 01482 |
| 2standard | 134 | Freeman III, W. Britt (1498) | Lost 0-1 | -181464 |
| average opponent: 1488record: 0-1-1 | new rating: 1464 | |||
| Grand Prix Atlanta 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 40 | Parrish, Chris (1500) | Won 2-0 | +181518 |
| 2sealed | 28 | Sparks, James (1518) | Lost 0-2 | -181500 |
| 3sealed | 117 | Holt, Bob (1500) | Lost 0-2 | -181482 |
| average opponent: 1506record: 1-2 | new rating: 1482 | |||