Marsh, Dallas
Current rating: 1501
Record: 3-3
| Grand Prix Calgary 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 44 | Derowin, Michael (1380) | Won 2-0 | +161516 |
| 2modern | 33 | Jones, Anders (1680) | Lost 1-2 | -151501 |
| 3modern | 222 | Willms, Brian (1499) | Lost 1-2 | -181483 |
| 4modern | 404 | Rock, Kaleb (1483) | Lost 0-2 | -181465 |
| 5modern | 350 | Goosen, Victor (1467) | Won 2-0 | +181483 |
| 6modern | 300 | Delaurier, Chris (1485) | Won 2-1 | +181501 |
| average opponent: 1499record: 3-3 | new rating: 1501 | |||