Mathis, Michael
Current rating: 1446
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 154 | Gerber, Alexandre (1500) | Won 2-1 | +191478 |
| 2sealed | 67 | Kim, Isaac (1662) | Lost 0-0 | -151463 |
| 3sealed | 430 | Normandin, Katharine (1526) | Lost 0-2 | -171446 |
| top | average opponent: 1563record: 1-2 | new rating: 1446 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 437 | Keeler, April (1425) | Lost 0-2 | -191458 |
| 2modern | 722 | Bantan, Thomas (1472) | Won 2-0 | +191477 |
| 3modern | 770 | Monterrey, Paul (1500) | Lost 0-2 | -181459 |
| top | average opponent: 1466record: 1-2 | new rating: 1459 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1591 | Naze, Marcin (1532) | Won 2-1 | +191519 |
| 2modern | 1310 | Horne, Devon (1557) | Lost 0-2 | -181501 |
| 3modern | 1424 | Livingston, Denise (1168) | Lost 1-2 | -241477 |
| top | average opponent: 1419record: 1-2 | new rating: 1477 | ||