Markham, Alan
Current rating: 1464
Record: 2-4
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 358 | Nelson, John (1322) | Won 2-0 | +151515 |
| 2modern | 66 | Anna, Christopher (1561) | Lost 0-2 | -171498 |
| 3modern | 686 | Hollobaugh, Travis (1471) | Lost 1-2 | -191479 |
| 4modern | 1035 | McDonald, Daniel (1551) | Won 2-0 | +191498 |
| 5modern | 713 | Davis, Albert (1497) | Lost 1-2 | -181480 |
| 6modern | 846 | Park, Sean (1595) | Lost 0-2 | -161464 |
| average opponent: 1499record: 2-4 | new rating: 1464 | |||