Humphrey, John
Current rating: 1518
Record: 15-15
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 367 | Sun, Allen (1732) | Won 2-0 | +221553 |
| 2sealed | 358 | Jeffries, Jeremiah (1578) | Lost 1-2 | -181535 |
| 3sealed | 728 | Williams, Sam (1481) | Won 2-0 | +171552 |
| 4sealed | 356 | White, Douglas (1587) | Lost 1-2 | -171535 |
| 5sealed | 506 | Grandjambe, Travis (1593) | Lost 0-2 | -171518 |
| top | average opponent: 1594record: 2-3 | new rating: 1518 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Davis, Robert (1470) | Won 2-1 | +181481 |
| 2sealed | 229 | Thatcher, Tyson (1424) | Won 2-0 | +171498 |
| 3sealed | 150 | Cheng, Nicholas (1628) | Won 2-0 | +201518 |
| 4sealed | 37 | Crow, Rosie (1555) | Won 2-0 | +191537 |
| 5sealed | 9 | Pinto, Renato (1483) | Lost 0-2 | -191518 |
| 6sealed | 49 | Fuentes, Oscar (1451) | Won 2-0 | +171535 |
| 7sealed | 34 | Tsao, Dennis (1764) | Won 2-0 | +221557 |
| 8sealed | 25 | Herrell, Justin (1714) | Won 2-1 | +211578 |
| 9sealed | 22 | Cardoso, Jordan (1617) | Lost 1-2 | -181560 |
| 10draft | 180 | Doberne, David (1592) | Lost 1-2 | -171543 |
| 11draft | 153 | Snyder, Michael (1580) | Won 2-0 | +191562 |
| 12draft | 94 | Nghiem, Keane (1580) | Lost 0-2 | -181544 |
| 13draft | 145 | Callahan, Michael (1619) | Won 2-0 | +191563 |
| 14draft | 86 | Dominguez Roldan, Fernando De Jesus (1820) | Lost 0-2 | -131550 |
| 15draft | 125 | Elias, Dustin (1516) | Lost 1-2 | -191531 |
| top | average opponent: 1587record: 9-6 | new rating: 1531 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 97 | Chafe, Frank (1500) | Lost 1-2 | -181480 |
| 2sealed | 418 | Douglas, Easton (1486) | Lost 0-2 | -181462 |
| 3sealed | 163 | Raza, Aezed (1500) | Won 2-0 | +191481 |
| 4sealed | 378 | Tinsman, Tom (1475) | Lost 0-2 | -181463 |
| top | average opponent: 1490record: 1-3 | new rating: 1463 | ||
| Grand Prix Los Angeles 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Rasmusin, Brian (1500) | Won 2-0 | +181518 |
| 2sealed | 96 | Cahir, Dan (1475) | Lost 0-2 | -191499 |
| 3sealed | 110 | Leggat, Jim (1501) | Won 2-0 | +181517 |
| 4sealed | 82 | Parsons, Michael (1468) | Won 2-0 | +171534 |
| 5sealed | 69 | Chau, Phuong (1523) | Lost 1-2 | -181516 |
| 6sealed | 109 | Hou, William (1518) | Lost 0-2 | -181498 |
| top | average opponent: 1497record: 3-3 | new rating: 1498 | ||