Guilfoyle, Stephen
Current rating: 1446
Record: 1-4
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 33 | Vazquez, Joseph (1484) | Lost 1-2 | -181482 |
| 2modern | 442 | Wish, Alan (1483) | Won 2-1 | +181500 |
| 3modern | 306 | Lee, Johannes (1506) | Lost 0-2 | -181482 |
| 4modern | 538 | Bell Jr, Russell A (1483) | Lost 1-2 | -181464 |
| 5modern | 498 | Tomson, Michael (1464) | Lost 0-2 | -181446 |
| average opponent: 1484record: 1-4 | new rating: 1446 | |||