Walston, Brad
Current rating: 1427
Record: 2-6
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 370 | Prokop, Sebastian (1462) | Lost 1-2 | -191481 |
| 2modern | 566 | Michaelsen, Robin (1485) | Won 2-1 | +181499 |
| 3modern | 550 | Jansson, Filip (1511) | Lost 1-2 | -171482 |
| 4modern | 689 | Rushe, Marshall (1440) | Won 2-1 | +171499 |
| 5modern | 566 | Straub, Adrian (1500) | Lost 1-2 | -181481 |
| 6modern | 718 | Kubica, Mathieu (1482) | Lost 0-2 | -181463 |
| 7modern | 692 | Levchenko, Artem (1510) | Lost 0-2 | -171446 |
| 8modern | 627 | Klinger, Jakob (1420) | Lost 1-2 | -191427 |
| average opponent: 1476record: 2-6 | new rating: 1427 | |||