Marschka, Joseph
Current rating: 1465
Record: 1-3-1
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 93 | Adams, Robert (1483) | Draw 1-1 | 01500 |
| 2legacy | 476 | Lee, William [CAN] (1465) | Won 2-0 | +171517 |
| 3legacy | 618 | Richardson, Jason (1572) | Lost 1-2 | -171500 |
| 4legacy | 841 | Farran, Ali (1501) | Lost 0-2 | -181482 |
| 5legacy | 968 | Kaphengst, Eric (1516) | Lost 1-2 | -171465 |
| average opponent: 1507record: 1-3-1 | new rating: 1465 | |||