Mason, George
Current rating: 1395
Record: 4-10
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 380 | White, Hebron (1412) | Lost 1-2 | -181408 |
| 2sealed | 620 | Briggs-Woodliff, Robert (1482) | Won 2-1 | +191427 |
| 3sealed | 1375 | Pederson-Linn, Glen (1466) | Lost 0-2 | -171410 |
| 4sealed | 721 | Kyler, Quinn (1504) | Won 2-1 | +191429 |
| 5sealed | 487 | Sherr, Adam (1506) | Lost 0-2 | -161413 |
| 6sealed | 558 | McMeekin, Scott (1401) | Lost 0-2 | -181395 |
| average opponent: 1462record: 2-4 | new rating: 1395 | |||
| Grand Prix Hartford 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 550 | Glavan, Thomas (1500) | Won 2-1 | +181518 |
| 2modern | 366 | Dimiduk, Jeff (1579) | Lost 1-2 | -171501 |
| 3modern | 665 | Ruliffson, Brian (1528) | Lost 0-2 | -171484 |
| 4modern | 809 | Rivera, Giovanni (1421) | Lost 0-2 | -201464 |
| 5modern | 717 | Gentile, Greg (1422) | Won 2-0 | +181482 |
| 6modern | 625 | Qian, Wentian (1427) | Lost 0-2 | -191463 |
| 7modern | 565 | Chidiac, Jackson (1462) | Lost 0-2 | -181445 |
| 8modern | 460 | Robbins, Adam (1405) | Lost 0-2 | -191426 |
| average opponent: 1468record: 2-6 | new rating: 1426 | |||