Mack, Kevin
Current rating: 1479
Record: 10-11
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 478 | Langas, Michael (1483) | Lost 0-2 | -191536 |
| 2legacy | 755 | Beardsley, Sean (1392) | Lost 0-2 | -201516 |
| 3legacy | 1157 | Castrucci, Sam (1523) | Lost 0-2 | -181498 |
| 4legacy | 1120 | Almikhi, Assim (1455) | Lost 0-2 | -191479 |
| top | average opponent: 1463record: 0-4 | new rating: 1479 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Grezes, Felix (1500) | Won 2-1 | +171577 |
| 2sealed | 405 | Leu, Khoa (1500) | Won 2-1 | +171594 |
| 3sealed | 136 | Chen, Chao (1535) | Won 2-1 | +161610 |
| 4sealed | 26 | Tan, Richard (1577) | Lost 0-2 | -181592 |
| 5sealed | 376 | Weingarten, Evan (1534) | Won 2-0 | +171609 |
| 6sealed | 219 | Speicher, Brian (1604) | Lost 1-2 | -181591 |
| 7sealed | 249 | King, Jeremy (1682) | Lost 0-2 | -171574 |
| 8sealed | 326 | van Sickle, Joseph (1526) | Lost 0-0 | -191555 |
| top | average opponent: 1557record: 4-4 | new rating: 1555 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Anderson, Marc (1740) | Won 2-0 | +221522 |
| 2sealed | 75 | Damiano III, Salvatore (1518) | Won 2-1 | +181540 |
| 3sealed | 114 | Cayne, Avery (1560) | Lost 1-2 | -171523 |
| 4sealed | 174 | Morgan, Jordan (1506) | Won 2-0 | +171540 |
| 5sealed | 120 | Southwick, Joshua (1518) | Won 2-0 | +181558 |
| 6sealed | 80 | DeFiore, Michael (1541) | Won 2-1 | +181576 |
| 7sealed | 66 | Dickson, Patrick (1561) | Won 2-0 | +171593 |
| 8sealed | 44 | Bransfield, Justin (1620) | Lost 0-2 | -171576 |
| 9sealed | 33 | Sigrist, Mike (1699) | Lost 1-2 | -161560 |
| top | average opponent: 1585record: 6-3 | new rating: 1560 | ||