Callaway, Marlena
Current rating: 1470
Record: 1-3
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 50 | Turk, Brian (1820) | Lost 0-2 | -121488 |
| 2standard | 471 | Randall, Tyson (1441) | Won 2-1 | +171505 |
| 3standard | 446 | McDowell, Rory (1558) | Lost 0-2 | -171488 |
| 4standard | 570 | Higdon, Michael (1487) | Lost 1-2 | -181470 |
| average opponent: 1576record: 1-3 | new rating: 1470 | |||