McKenna, Joseph
Current rating: 1426
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 626 | Cruz, Ryan (1489) | Lost 1-2 | -171444 |
| 2modern | 690 | Gates, Warton (1472) | Won 2-0 | +181462 |
| 3modern | 666 | Pickett, Jeffrey (1414) | Lost 0-2 | -191443 |
| 4modern | 1380 | Gilchrest, Joshua (1482) | Lost 0-2 | -171426 |
| top | average opponent: 1464record: 1-3 | new rating: 1426 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 622 | Hadley, Kyle (1521) | Lost 0-2 | -171462 |
| 2modern | 807 | Douglass, Kevin (1482) | Won 2-0 | +181480 |
| 3modern | 733 | Hamel, Jared (1470) | Won 2-0 | +181498 |
| 4modern | 474 | Coleson, Brandon (1484) | Lost 0-2 | -181480 |
| 5modern | 668 | Dowling, Ed (1453) | Lost 1-2 | -191461 |
| 6modern | 847 | Sheppard, Nick (1484) | Won 2-0 | +181479 |
| 7modern | 630 | Hanel, Dominick (1460) | Lost 0-2 | -181461 |
| top | average opponent: 1479record: 3-4 | new rating: 1461 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 321 | Leggett, Zach (1500) | Lost 1-2 | -181482 |
| 2sealed | 519 | Galvin, Casey (1481) | Won 2-1 | +181500 |
| 3sealed | 604 | McGill, Alissa (1502) | Lost 0-2 | -181482 |
| 4sealed | 732 | Metzloff, Ben (1409) | Won 2-0 | +171499 |
| 5sealed | 606 | Frazier, Kurtis (1395) | Lost 0-2 | -201479 |
| top | average opponent: 1458record: 2-3 | new rating: 1479 | ||