Ervin, Michael
Current rating: 1493
Record: 7-7
| Grand Prix Calgary 2019 (modern) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 60 | Anderson, Chase (1500) | Won 2-1 | +171532 |
| 2modern | 189 | Matthews, Austin (1566) | Won 2-1 | +191551 |
| 3modern | 149 | Gladue, Jonathon (1357) | Lost 0-2 | -211530 |
| 4modern | 108 | Kumpula, Dan (1548) | Lost 1-2 | -181512 |
| 5modern | 229 | Calcas Neto, Thiago (1488) | Lost 0-2 | -191493 |
| average opponent: 1492record: 2-3 | new rating: 1493 | |||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 283 | Holet, John (1467) | Won 2-0 | +171517 |
| 2modern | 331 | Jackson, Troy (1466) | Won 2-0 | +171534 |
| 3modern | 582 | Bingham, Rob (1623) | Lost 1-2 | -161518 |
| 4modern | 442 | Vincik, Adam (1607) | Lost 0-2 | -161502 |
| 5modern | 987 | Everest, Brent (1424) | Lost 0-2 | -201482 |
| 6modern | 1052 | Avelar, Edwin (1414) | Won 2-1 | +171499 |
| 7modern | 763 | Williams, Darrell (1459) | Won 2-0 | +171516 |
| 8modern | 609 | Winkelman, Brennan (1468) | Lost 0-2 | -191497 |
| 9modern | 720 | Merejil, Robert (1458) | Won 2-0 | +181515 |
| average opponent: 1487record: 5-4 | new rating: 1515 | |||