Byfield, Joseph
Current rating: 1463
Record: 1-3
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 41 | Haywood, Terry (1432) | Won 2-1 | +171517 |
| 2modern | 195 | Pusey, Benjamin (1564) | Lost 1-2 | -171500 |
| 3modern | 310 | Holloway, Devin (1498) | Lost 0-0 | -181482 |
| 4modern | 447 | Shipp, Collin (1431) | Lost 1-2 | -191463 |
| average opponent: 1481record: 1-3 | new rating: 1463 | |||