Vondruska, Jeff
Current rating: 1473
Record: 2-4
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 96 | Smith, Robert RC (1789) | Lost 1-2 | -131487 |
| 5sealed | 305 | Marsden, Andrew (1535) | Won 2-1 | +191506 |
| 6sealed | 242 | Kikuchi-Wellman, Zen (1523) | Lost 0-2 | -181488 |
| 7sealed | 266 | Echevarria, Shane (1554) | Lost 0-2 | -161472 |
| 8sealed | 293 | Goud, Jonathan R (1487) | Lost 1-2 | -181454 |
| 9sealed | 312 | Linscott, Megan (1500) | Won 2-0 | +191473 |
| average opponent: 1565record: 2-4 | new rating: 1473 | |||