Marquart, John
Current rating: 1497
Record: 4-4
| Grand Prix Vancouver 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2263 | Secter, Matthew (1548) | Lost 1-2 | -171483 |
| 2modern | 2525 | Vickers, Brent (1463) | Lost 0-2 | -181465 |
| 3modern | 2646 | Bessette, Jonathan (1340) | Won 2-0 | +151480 |
| 4modern | 2592 | Donelson, Erik (1332) | Won 2-1 | +161496 |
| 5modern | 2450 | Tieu, Justin (1573) | Won 2-0 | +191515 |
| 6modern | 2397 | Joliet, Nicole (1489) | Won 2-1 | +181533 |
| 7modern | 2219 | Hoffman, Jeff (1536) | Lost 0-2 | -181515 |
| 8modern | 2323 | Pickell, Mark (1538) | Lost 0-2 | -181497 |
| average opponent: 1477record: 4-4 | new rating: 1497 | |||