Cook, Zachary
Current rating: 1491
Record: 3-4
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Ferri, Michael (1567) | Lost 0-2 | -171491 |
| record: 0-1 | new rating: 1491 | |||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 403 | Paglia, Vincent (1539) | Won 2-1 | +191519 |
| 2standard | 236 | Yang, Zhenyu (1519) | Won 2-0 | +181537 |
| 3standard | 294 | Wong, Michael D (1640) | Lost 1-2 | -161521 |
| 4standard | 345 | Anderson, Hans (1581) | Won 2-0 | +191540 |
| 5standard | 305 | Owens, Ryan (1649) | Lost 1-2 | -161524 |
| 6standard | 461 | Greenwood, David (1660) | Lost 1-2 | -161508 |
| average opponent: 1598record: 3-3 | new rating: 1508 | |||