Mumford, Samuel
Current rating: 1500
Record: 3-3
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1039 | Wegman, Timothy (1517) | Won 2-1 | +181518 |
| 2modern | 962 | Benns, Brian (1485) | Lost 0-2 | -181500 |
| 3modern | 1116 | Markarian, Erik (1500) | Won 2-1 | +181518 |
| 4modern | 858 | Rodriguez, Ronald (1418) | Won 2-0 | +161534 |
| 5modern | 837 | Cogliati, Chris (1622) | Lost 1-2 | -161518 |
| 6modern | 944 | Bernard, Warren (1523) | Lost 1-2 | -181500 |
| average opponent: 1511record: 3-3 | new rating: 1500 | |||