Mayall, Tony
Current rating: 1440
Record: 3-7
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 479 | Cabero, Paul Gerald (1553) | Won 2-0 | +201467 |
| 2modern | 389 | Nishioka, Ryder (1620) | Lost 0-2 | -151452 |
| 4modern | 1364 | Larratta, Leonard (1542) | Lost 1-2 | -171435 |
| 5modern | 731 | Hughes, Jeffrey (1503) | Won 2-1 | +201455 |
| 6modern | 344 | Gundlach, Andrew (1500) | Won 2-0 | +181473 |
| 7modern | 458 | Nguyen, Tri (1507) | Lost 0-2 | -171456 |
| 8modern | 355 | Driscoll, Adam (1590) | Lost 1-2 | -161440 |
| average opponent: 1545record: 3-4 | new rating: 1440 | |||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 184 | Marvosh, Devin (1500) | Lost 0-2 | -181482 |
| 2standard | 447 | Badran, Shady (1534) | Lost 0-2 | -171465 |
| 3standard | 476 | Thompson, Camran (1464) | Lost 1-2 | -181447 |
| average opponent: 1499record: 0-3 | new rating: 1447 | |||