Chacon, Mason
Current rating: 1466
Record: 1-3
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 373 | Roepke, Chris (1597) | Lost 0-2 | -161484 |
| 2modern | 836 | Azadian, Shaunt (1486) | Lost 0-2 | -181466 |
| 4modern | 806 | Sinclair, Eris (1484) | Lost 1-2 | -181448 |
| 5modern | 795 | Bobadilla, Humberto (1462) | Won 2-0 | +181466 |
| average opponent: 1507record: 1-3 | new rating: 1466 | |||