Gronski, Michael
Current rating: 1496
Record: 1-1-2
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 110 | Newyear, Keith (1343) | Won 2-0 | +151515 |
| 2modern | 162 | Muccio, Tony (1518) | Draw 1-1 | 01515 |
| 3modern | 238 | Peacock, Eric (1519) | Draw 1-1 | 01515 |
| 4modern | 374 | Clark, Jason (1470) | Lost 0-2 | -191496 |
| average opponent: 1463record: 1-1-2 | new rating: 1496 | |||