Mahon, Shawn
Current rating: 1500
Record: 3-3
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Kennon, Brook (1546) | Lost 0-2 | -171483 |
| 2sealed | 427 | Johnson, Joe (1481) | Lost 1-2 | -181465 |
| 3sealed | 699 | Crawford, David (1464) | Won 2-0 | +181483 |
| 4sealed | 612 | Minchew, Joshua (1387) | Won 2-0 | +161499 |
| 5sealed | 508 | Snow, Matthew (1483) | Won 2-1 | +181517 |
| 6sealed | 252 | Skelton, Kyle (1564) | Lost 1-2 | -171500 |
| average opponent: 1487record: 3-3 | new rating: 1500 | |||