Mattox, Jourdan
Current rating: 1490
Record: 10-11
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 154 | Snider, Warren (1525) | Won 2-0 | +191509 |
| 2sealed | 9 | Fletcher, Charles (1518) | Lost 1-2 | -181491 |
| 3sealed | 266 | Martinez, Matthew (1363) | Won 2-0 | +161507 |
| 4sealed | 150 | Raval, Mahendra (1576) | Lost 1-2 | -171490 |
| top | average opponent: 1496record: 2-2 | new rating: 1490 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 792 | Blakeley, Matt (1500) | Won 2-1 | +191482 |
| 2legacy | 1009 | Anderson, Seth (1465) | Won 2-0 | +171499 |
| 3legacy | 804 | Long, Robert (1663) | Won 2-0 | +211520 |
| 4legacy | 710 | Morrow, Andrew (1514) | Lost 1-2 | -181502 |
| 5legacy | 793 | Liberman, Matt (1541) | Lost 1-2 | -171485 |
| 6legacy | 809 | Sokolowsky, Matt (1455) | Won 2-1 | +171502 |
| 7legacy | 686 | Jette, Jonathan (1843) | Lost 1-2 | -121490 |
| top | average opponent: 1569record: 4-3 | new rating: 1490 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 448 | Britton, Matthew (1500) | Won 2-1 | +191498 |
| 2standard | 241 | Sleiman, Milad (1518) | Lost 1-2 | -181480 |
| 3standard | 542 | Adkins, Cody (1499) | Won 2-0 | +181498 |
| 4standard | 342 | Scheu IV, Carl (1518) | Lost 1-2 | -171481 |
| 5standard | 568 | Sullivan, Brian (1500) | Lost 1-2 | -181463 |
| top | average opponent: 1507record: 2-3 | new rating: 1463 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 185 | Hayes, Robert (1558) | Won 2-1 | +191519 |
| 2modern | 123 | Williamson, Scott (1275) | Won 2-1 | +141533 |
| 3modern | 93 | Kelly, Peter (1564) | Lost 0-2 | -181515 |
| 4modern | 309 | Corrigan, Griffin (1508) | Lost 0-2 | -181497 |
| 5modern | 362 | Kohorst, Erich (1500) | Lost 1-2 | -181479 |
| top | average opponent: 1481record: 2-3 | new rating: 1479 | ||