Pemberton, Roger
Current rating: 1466
Record: 2-4
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 317 | McCarty, Scott (1518) | Won 2-1 | +191501 |
| 3standard | 135 | Hennes, Lucas (1501) | Won 2-0 | +181519 |
| 4standard | 109 | Cortes, Corey (1554) | Lost 1-2 | -181501 |
| 5standard | 168 | Alexander, Kevin (1548) | Lost 1-2 | -171484 |
| 6standard | 315 | Ash, Ray (1464) | Lost 1-2 | -181466 |
| average opponent: 1517record: 2-3 | new rating: 1466 | |||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 256 | Horn, David (1500) | Lost 0-2 | -181482 |
| record: 0-1 | new rating: 1482 | |||