Dayton, William
Current rating: 1526
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 72 | Mendoza, Jose (1517) | Lost 0-2 | -171467 |
| 3sealed | 408 | Forrester, Jeremy (1502) | Won 2-1 | +191486 |
| 4sealed | 561 | Pardo, Jorge (1522) | Won 2-0 | +181504 |
| 5sealed | 127 | Holmes, Evan (1513) | Won 2-1 | +181522 |
| 6sealed | 216 | Weed, Bret (1659) | Won 2-1 | +211543 |
| 7sealed | 61 | Passaro, Nick (1571) | Won 2-0 | +181561 |
| 8sealed | 27 | McFarland, Brian (1605) | Lost 0-0 | -171544 |
| 9sealed | 81 | Liang, Yong Li (1534) | Lost 0-2 | -181526 |
| top | average opponent: 1553record: 5-3 | new rating: 1526 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 205 | Jabbour, George (1516) | Won 2-1 | +181500 |
| 2modern | 249 | Rombach, Cullen (1517) | Won 2-1 | +191519 |
| 3modern | 27 | Wetmore, Mike (1638) | Lost 1-2 | -161503 |
| 4modern | 180 | Daugherty, Jeremy (1491) | Lost 1-2 | -181485 |
| 5modern | 475 | Herniter, Ira (1467) | Won 2-0 | +171502 |
| 6modern | 396 | Denner, Matthew (1508) | Lost 0-2 | -181484 |
| top | average opponent: 1523record: 3-3 | new rating: 1484 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 171 | Clarke, Raymond (1505) | Won 2-0 | +181518 |
| 2standard | 100 | Richardson, Justin (1507) | Lost 1-2 | -181500 |
| 3standard | 523 | Crane, Paul (1488) | Lost 0-2 | -181482 |
| top | average opponent: 1500record: 1-2 | new rating: 1482 | ||