Mcguckin, John
Current rating: 1447
Record: 0-3
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 554 | Gomard-Henshaw, Chad (1500) | Lost 1-2 | -181482 |
| 2modern | 527 | Helton, Zac (1532) | Lost 1-2 | -171465 |
| 3modern | 604 | Smoak, Stephen (1464) | Lost 0-2 | -181447 |
| average opponent: 1498record: 0-3 | new rating: 1447 | |||