Roberson, Nicholas
Current rating: 1485
Record: 2-3
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 295 | Buldwin, Christopher (1500) | Won 2-0 | +181518 |
| 2modern | 188 | Wisniewski, Michael (1490) | Lost 0-2 | -191499 |
| 3modern | 320 | Drum, Matthew (1548) | Won 0-0 | +191518 |
| 4modern | 326 | Bliss, Glenn (1538) | Lost 0-2 | -171501 |
| 5modern | 421 | Byrn, David (1606) | Lost 0-2 | -161485 |
| average opponent: 1536record: 2-3 | new rating: 1485 | |||