DeMorris, John
Current rating: 1482
Record: 3-4
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 406 | Johnson, Douglas (1405) | Won 2-0 | +171499 |
| 2sealed | 174 | Mueller, Jeremy (1536) | Won 2-1 | +181517 |
| 3sealed | 36 | Corzo, Robert (1518) | Lost 0-2 | -181499 |
| 4sealed | 284 | Washington, John (1517) | Lost 1-2 | -171482 |
| 5sealed | 305 | Rasco, Roxanne (1500) | Won 2-0 | +181500 |
| 6sealed | 247 | Jennings, Michael (1489) | Lost 1-2 | -181482 |
| average opponent: 1494record: 3-3 | new rating: 1482 | |||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 604 | Allen, Jimmy (1500) | Lost 0-2 | -181482 |
| record: 0-1 | new rating: 1482 | |||