Allen, William G
Current rating: 1466
Record: 7-9
| Grand Prix Columbus 2019 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 132 | Thompson, Lucas (1500) | Lost 0-2 | -181503 |
| 2modern | 218 | McCalvin, Thomas (1494) | Lost 1-2 | -191484 |
| 3modern | 292 | Adkins, J.Dee (1463) | Won 2-1 | +181502 |
| 4modern | 226 | Larson, Mark (1529) | Lost 0-2 | -171485 |
| 5modern | 259 | Landi, David (1463) | Lost 0-2 | -191466 |
| 6modern | 227 | Bourbon, Bobby (1446) | Won 2-0 | +181484 |
| 7modern | 193 | Morris, Judson (1469) | Lost 0-2 | -181466 |
| average opponent: 1480record: 2-5 | new rating: 1466 | |||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 461 | Putland, Ben A (1500) | Lost 0-2 | -181482 |
| 2sealed | 650 | Schartz, Nicole (1481) | Won 2-1 | +181500 |
| 3sealed | 641 | Walton, Ben (1500) | Lost 1-2 | -181482 |
| 4sealed | 671 | Stevens, Jarred (1516) | Lost 1-2 | -171465 |
| 5sealed | 680 | Williams, Jason M (1465) | Won 2-1 | +181483 |
| 6sealed | 620 | Dienhart, Andrew M (1480) | Won 2-1 | +181501 |
| 7sealed | 564 | O'Mahoney-Schwartz, Steven (1667) | Won 2-1 | +211522 |
| 8sealed | 515 | Johnston, Joshua (1495) | Lost 1-2 | -191503 |
| 9sealed | 488 | Ofner, Ted (1498) | Won 2-1 | +181521 |
| average opponent: 1511record: 5-4 | new rating: 1521 | |||