McGuire, Charles
Current rating: 1572
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 58 | Enk, Jacob (1462) | Lost 0-2 | -201537 |
| 2sealed | 195 | Foster, Justin (1513) | Won 2-1 | +181555 |
| 3sealed | 181 | Peterson, Christopher (1410) | Won 2-1 | +151570 |
| 4sealed | 177 | Ford, Cassandra (1515) | Won 2-1 | +171587 |
| 5sealed | 116 | Fader, Aaron (1534) | Won 2-0 | +171604 |
| 6sealed | 60 | Nightingale, Tyler (1820) | Lost 1-2 | -141590 |
| 7sealed | 118 | Cole, Bryan (1606) | Lost 0-2 | -181572 |
| top | average opponent: 1551record: 4-3 | new rating: 1572 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 632 | Adamkiewicz, Ryan (1500) | Won 2-0 | +171582 |
| 2modern | 469 | Verheyn, Steven (1390) | Won 2-1 | +151597 |
| 3modern | 156 | Parmann, Sean (1536) | Won 2-1 | +171614 |
| 4modern | 22 | Sussino, Tim (1587) | Lost 0-2 | -191595 |
| 5modern | 284 | Agra, Robert (1512) | Lost 0-2 | -191576 |
| 6modern | 382 | Flickinger, Eric (1620) | Lost 1-2 | -181558 |
| 7modern | 810 | Robertson, Nickolas (1519) | Won 2-0 | +181576 |
| 8modern | 487 | Vaugeois, Christophe (1522) | Lost 0-2 | -191557 |
| top | average opponent: 1523record: 4-4 | new rating: 1557 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 474 | Bencik, Jason (1606) | Won 2-0 | +201520 |
| 2sealed | 136 | Demers, Jordan (1518) | Won 2-1 | +181538 |
| 3sealed | 213 | Powers, Travis (1500) | Lost 0-2 | -191519 |
| 4sealed | 427 | Thibedeau, Jon (1487) | Won 2-1 | +181537 |
| 5sealed | 103 | Yeem, Soohwang (1868) | Lost 1-2 | -131524 |
| 6sealed | 342 | Jepson, Justin (1532) | Won 2-0 | +191543 |
| 7sealed | 152 | Wagener, Andrew (1537) | Won 2-0 | +171560 |
| 8sealed | 197 | Brakefield, Konstantin (1691) | Won 2-0 | +211581 |
| 9sealed | 145 | Zachow, Andrew (1725) | Lost 1-2 | -161565 |
| top | average opponent: 1607record: 6-3 | new rating: 1565 | ||