Armstrong, Jonathan
Current rating: 1467
Record: 1-3
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 758 | Williams, Matthew (1487) | Won 2-1 | +181518 |
| 4modern | 755 | Badrudin, Karim (1590) | Lost 0-2 | -171501 |
| 5modern | 929 | Casselman, Jeffrey (1629) | Lost 0-2 | -161485 |
| 6modern | 1021 | Richardson, Michael (1488) | Lost 0-2 | -181467 |
| average opponent: 1549record: 1-3 | new rating: 1467 | |||