Cosbie-Ross, Nathaniel
Current rating: 1480
Record: 4-5
| Grand Prix Birmingham 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 234 | Hayden, Matthew (1500) | Lost 1-2 | -181482 |
| 2modern | 518 | Waller, Alan (1482) | Won 0-0 | +181500 |
| 3modern | 652 | Ward, Jack (1427) | Lost 0-2 | -191481 |
| 4modern | 737 | Radauer, Stefan (1487) | Lost 0-2 | -181463 |
| 5modern | 716 | Hawley, Simon (1470) | Won 2-0 | +181481 |
| 6modern | 708 | Daws, Christopher (1423) | Lost 0-2 | -191462 |
| 7modern | 635 | Moore, Matthew (1431) | Won 2-1 | +171479 |
| 8modern | 533 | Drake, Erik (1497) | Lost 0-2 | -171462 |
| 9modern | 533 | Roberts, Martin (1473) | Won 2-0 | +181480 |
| average opponent: 1466record: 4-5 | new rating: 1480 | |||