Guilfoyle, Jonathan
Current rating: 1500
Record: 2-2
| Grand Prix Detroit 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 556 | Preston, Christopher (1484) | Lost 1-2 | -181482 |
| 2modern | 843 | Whipple, Zach (1482) | Lost 0-2 | -181464 |
| 3modern | 1137 | Courtney, Rick (1464) | Won 2-0 | +181482 |
| 4modern | 847 | Ricci, Nate (1481) | Won 2-1 | +181500 |
| average opponent: 1478record: 2-2 | new rating: 1500 | |||