Mayhew, Daniel
Current rating: 1439
Record: 3-6
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 375 | Lesher, Jeremy (1377) | Lost 1-2 | -201480 |
| 2standard | 428 | Pleasanton, Robert (1467) | Lost 0-2 | -181462 |
| 3standard | 680 | Carter, Ariel (1474) | Lost 1-2 | -181444 |
| 4standard | 730 | Miller, Malik (1445) | Won 2-0 | +181462 |
| 5standard | 673 | McKnight, Kasie (1220) | Lost 0-2 | -231439 |
| 6standard | 661 | Ruderman, Hunter (1442) | Lost 0-2 | -171422 |
| 7standard | 613 | Jayne, Griffin (1431) | Lost 1-2 | -181404 |
| 8standard | 541 | Mack, Dalton (1413) | Won 2-0 | +181422 |
| 9standard | 464 | Gordon, Ted (1385) | Won 2-0 | +171439 |
| average opponent: 1406record: 3-6 | new rating: 1439 | |||