Cook, Gary
Current rating: 1462
Record: 1-3-1
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 529 | Moreno, Eduardo (1495) | Lost 0-1 | -181482 |
| 2sealed | 505 | England, Sarah (1463) | Won 2-0 | +181500 |
| 3sealed | 483 | Lara, Nick (1503) | Draw 1-1 | 01500 |
| 4sealed | 584 | Laurel, Matthew (1460) | Lost 0-2 | -191481 |
| 5sealed | 705 | Lin, Eric (1449) | Lost 0-2 | -191462 |
| average opponent: 1474record: 1-3-1 | new rating: 1462 | |||