Marley, Mark
Current rating: 1444
Record: 1-4
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 132 | Docherty, Nathan (1482) | Lost 0-2 | -181482 |
| 2modern | 545 | Wright, Jer (1482) | Lost 0-2 | -181464 |
| 3modern | 608 | Nichols, Dwayne (1463) | Won 0-0 | +181482 |
| 4modern | 553 | Bailey, Tony (1405) | Lost 0-2 | -201462 |
| 5modern | 533 | Deptola, Travis (1462) | Lost 0-2 | -181444 |
| average opponent: 1459record: 1-4 | new rating: 1444 | |||