Muir, Preston
Current rating: 1404
Record: 1-7
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 243 | Lara-Ramirez, Diego (1500) | Won 2-1 | +191448 |
| 2standard | 214 | Prunier, Jake (1494) | Lost 0-2 | -171431 |
| 3standard | 535 | Thiessen, Jacob (1891) | Lost 0-2 | -101421 |
| 4standard | 557 | Downey, John (1482) | Lost 0-2 | -171404 |
| top | average opponent: 1592record: 1-3 | new rating: 1404 | ||
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 354 | Wargo, Adan (1500) | Lost 0-2 | -181464 |
| 2legacy | 621 | Watkins, Christopher (1481) | Lost 0-2 | -171447 |
| 3legacy | 715 | Chlebowski, Joseph (1452) | Lost 0-2 | -181429 |
| top | average opponent: 1478record: 0-3 | new rating: 1429 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 20 | Hedberg, Jed (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||