May, Preston
Current rating: 1519
Record: 9-8
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 214 | Biggers, Dustin (1651) | Lost 0-2 | -171561 |
| 2modern | 707 | Hamzah, Raith (1437) | Lost 1-2 | -201541 |
| 3modern | 854 | Fernandez, Roman (1462) | Won 2-1 | +161557 |
| 4modern | 746 | Brown, Avrey (1481) | Lost 1-2 | -191538 |
| 5modern | 838 | Taylor, Jared (1462) | Lost 0-2 | -191519 |
| average opponent: 1499record: 1-4 | new rating: 1519 | |||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 480 | Beech, Clifton (1518) | Won 2-1 | +181518 |
| 2sealed | 205 | Welter, Cory (1518) | Won 2-1 | +181536 |
| 3sealed | 104 | Mondello, Jake (1743) | Lost 0-2 | -141522 |
| 4sealed | 223 | McLendon, Donovan (1483) | Won 2-1 | +171539 |
| 5sealed | 158 | Busch, Russell (1560) | Won 2-0 | +191558 |
| 6sealed | 161 | Sloan, Shawn (1550) | Lost 1-2 | -181540 |
| 7sealed | 327 | Liberto, Lance (1491) | Won 2-0 | +171557 |
| 8sealed | 124 | Clodfelter, Jacob (1558) | Won 2-0 | +181575 |
| 9sealed | 50 | McClenathan, Sean (1699) | Won 2-1 | +201595 |
| 10draft | 87 | Sheffield, Jason (1569) | Lost 1-2 | -191576 |
| 11draft | 72 | Jacobs, Adam (1567) | Lost 1-2 | -181558 |
| 12draft | 22 | Booth, Warren (1634) | Won 2-0 | +201578 |
| average opponent: 1574record: 8-4 | new rating: 1578 | |||