Cooper, Charles
Current rating: 1494
Record: 6-7-1
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 66 | Fisher, Storm (1533) | Won 2-0 | +181562 |
| 4modern | 28 | Young, Travis (1502) | Lost 0-2 | -191543 |
| 5modern | 92 | Le, Tony (1720) | Lost 1-2 | -151528 |
| 6modern | 393 | Bell, Alex (1625) | Lost 1-2 | -161512 |
| 7modern | 370 | Hardwick, David (1502) | Lost 0-2 | -181494 |
| average opponent: 1576record: 1-4 | new rating: 1494 | |||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 93 | Chu, Brian (1560) | Won 2-0 | +191519 |
| 4modern | 157 | Chen, Gregory (1732) | Lost 0-2 | -141505 |
| 5modern | 638 | Strautz, Marcel (1637) | Won 2-0 | +201525 |
| 6modern | 219 | Tan, Xiao (1632) | Draw 1-1 | +21527 |
| 7modern | 290 | Song, Kai (1527) | Lost 0-1 | -181509 |
| 8modern | 495 | Simoncic, Brandon (1483) | Won 2-0 | +181527 |
| 9modern | 330 | Martinez, Emmanuel (1535) | Won 2-1 | +181545 |
| 10modern | 233 | Nolan, Tyler (1537) | Won 2-0 | +181563 |
| 11modern | 140 | Gonzalez Pena, Alexis Eduardo (1528) | Lost 1-2 | -191544 |
| average opponent: 1574record: 5-3-1 | new rating: 1544 | |||