Cook, Joe
Current rating: 1418
Record: 2-7
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 396 | Terwilliger, Scott (1500) | Lost 0-2 | -171449 |
| 2sealed | 1235 | Philip, Chris (1597) | Lost 1-2 | -151434 |
| 3sealed | 478 | Baker, Shana (1464) | Won 2-1 | +181452 |
| 4sealed | 449 | Roberts, Shane (1464) | Lost 0-0 | -181434 |
| 5sealed | 396 | Kelly, Peter (1511) | Lost 0-2 | -161418 |
| average opponent: 1507record: 1-4 | new rating: 1418 | |||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 164 | Pardo, Alex V (1565) | Lost 0-2 | -171483 |
| 2standard | 369 | Basso Viveiros, Carlos Henrique (1553) | Lost 0-2 | -171466 |
| 3standard | 481 | Valdes, Carlos (1463) | Won 2-1 | +181484 |
| 4standard | 518 | Manin, Seth (1482) | Lost 1-2 | -181466 |
| average opponent: 1516record: 1-3 | new rating: 1466 | |||