McGuire, Mark
Current rating: 1408
Record: 6-12
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 580 | Cole, Michael (1529) | Won 2-0 | +201441 |
| A2sealed | 456 | Churchill, Samuel (1601) | Lost 0-2 | -151426 |
| A3sealed | 299 | Heinze, Hunter (1462) | Lost 1-2 | -181408 |
| top | average opponent: 1531record: 1-2 | new rating: 1408 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 410 | Beil, Nathanial (1500) | Lost 1-2 | -171415 |
| 2modern | 826 | Bouc, Zachary (1481) | Lost 0-2 | -161399 |
| 3modern | 1288 | Jurgevich, Joseph (1495) | Lost 0-2 | -171382 |
| 4modern | 1240 | Hostetter, Cory (1451) | Won 2-0 | +201402 |
| 5modern | 1027 | Romich, Brian (1462) | Won 2-1 | +191421 |
| top | average opponent: 1478record: 2-3 | new rating: 1421 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 509 | Oates, Carl (1467) | Won 2-1 | +181465 |
| 2sealed | 63 | Savoia, Michael (1518) | Won 2-0 | +191484 |
| 3sealed | 325 | Harris, John (1553) | Lost 0-2 | -171467 |
| 4sealed | 328 | Moody, Tyler (1536) | Lost 0-2 | -161451 |
| 5sealed | 500 | Smith, Christina (1423) | Lost 0-2 | -191432 |
| top | average opponent: 1499record: 2-3 | new rating: 1432 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 305 | Diep, Minh (1500) | Won 2-0 | +181518 |
| 2sealed | 381 | Fitzgerald, Zachary (1585) | Lost 0-2 | -171501 |
| 3sealed | 494 | Akeley, Peter (1480) | Lost 1-2 | -181483 |
| 4sealed | 652 | Leaman, Patrick (1482) | Lost 0-2 | -181465 |
| 5sealed | 724 | Graves, Jack (1467) | Lost 0-2 | -181447 |
| top | average opponent: 1503record: 1-4 | new rating: 1447 | ||