Cox, Jason
Current rating: 1507
Record: 5-5
| Grand Prix Omaha 2017 (AKH standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 200 | Blodgett, Alexander (1466) | Won 2-0 | +171501 |
| 2standard | 98 | Simonson, Erik (1501) | Won 2-1 | +181519 |
| 3standard | 96 | Lo, Shong (1521) | Lost 0-2 | -181501 |
| 4standard | 222 | Thoene, Matthew (1524) | Lost 1-2 | -171484 |
| 5standard | 185 | Aydelotte, Joshua (1511) | Won 2-1 | +181502 |
| 6standard | 127 | Russell, Joshua (1586) | Lost 0-2 | -161486 |
| 7standard | 221 | Cooper-Ohm, Brian (1502) | Won 2-1 | +181504 |
| 8standard | 172 | Greif, Lucas (1504) | Won 2-0 | +181522 |
| 9standard | 167 | Wise, Steve (1687) | Lost 1-2 | -151507 |
| average opponent: 1534record: 5-4 | new rating: 1507 | |||
| Grand Prix London 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 397 | Vaughan, Daniel (1599) | Lost 0-2 | -161484 |
| record: 0-1 | new rating: 1484 | |||