Yob, Carl
Current rating: 1439
Record: 2-6
| Grand Prix Portland 2018 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 130 | Powell, Chris (1477) | Lost 1-2 | -181448 |
| 2modern | 653 | Lahman, Faessal (1544) | Won 2-0 | +201468 |
| 3modern | 385 | Stout, Andy (1821) | Lost 0-2 | -121456 |
| 4modern | 611 | Mortensen, Isaiah (1494) | Lost 1-2 | -171439 |
| average opponent: 1584record: 1-3 | new rating: 1439 | |||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 157 | Davis, Darian (1500) | Won 2-0 | +181518 |
| 2standard | 204 | Lacey, James (1538) | Lost 0-2 | -181500 |
| 3standard | 549 | Pariseau, Quinn (1499) | Lost 0-2 | -181482 |
| 4standard | 718 | Burns, Richard (1567) | Lost 0-2 | -161466 |
| average opponent: 1526record: 1-3 | new rating: 1466 | |||