Hayford, Michael
Current rating: 1417
Record: 1-6
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 837 | Mabie, Craig (1708) | Lost 0-2 | -141416 |
| 2sealed | 881 | Coy, William (1479) | Won 2-0 | +201436 |
| 3sealed | 908 | Genna, Peter (1390) | Lost 0-2 | -191417 |
| average opponent: 1525record: 1-2 | new rating: 1417 | |||
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Castro-Rappl, Christopher (1500) | Lost 0-2 | -181482 |
| 2sealed | 239 | Hyden, Paul (1531) | Lost 0-2 | -171465 |
| 4sealed | 226 | Nichols, Clarence W (1482) | Lost 1-2 | -181447 |
| 5sealed | 240 | Watts, Joshua (1463) | Lost 0-2 | -171430 |
| average opponent: 1494record: 0-4 | new rating: 1430 | |||