Cook, Jason
Current rating: 1483
Record: 3-4
| Grand Prix Vancouver 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2158 | Vantol, Johannus (1442) | Lost 1-2 | -191481 |
| 2modern | 2448 | Smibert, Devon (1492) | Lost 0-2 | -181463 |
| 3modern | 2640 | Hillgrove, Justin (1465) | Won 2-0 | +181481 |
| 4modern | 2619 | Smith, Jeremiah (1502) | Won 2-0 | +191500 |
| 5modern | 2376 | Chen, Samual (1559) | Won 2-1 | +191519 |
| 6modern | 2301 | Raymond, Denis (1520) | Lost 1-2 | -181501 |
| 7modern | 2392 | Yabuki, Atlin (1509) | Lost 1-2 | -181483 |
| average opponent: 1498record: 3-4 | new rating: 1483 | |||