Armstrong, Brent
Current rating: 1545
Record: 5-3
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 283 | Razo, Miguel (1536) | Won 2-0 | +191519 |
| 2modern | 261 | Chatham, Charles (1565) | Lost 1-2 | -171502 |
| 3modern | 769 | Evans, Mike (1468) | Won 2-1 | +171519 |
| 4modern | 530 | Arthurs, Marshall (1869) | Won 2-1 | +241543 |
| 5modern | 155 | Rose, Joshua (1492) | Won 2-0 | +171560 |
| 6modern | 192 | Lo, Shong (1522) | Won 2-0 | +171577 |
| 7modern | 171 | Wong, Gary (1789) | Lost 0-2 | -141563 |
| 8modern | 261 | Odenheimer, Nicholas (1556) | Lost 0-2 | -181545 |
| average opponent: 1599record: 5-3 | new rating: 1545 | |||