Zehner, Zack
Current rating: 1522
Record: 4-3
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 110 | Lowenberger, Joshua (1500) | Won 2-0 | +181518 |
| 2modern | 409 | Stillwagon, Todd (1482) | Lost 0-2 | -191499 |
| 3modern | 958 | Hunt, Ben (1498) | Won 2-0 | +181517 |
| 4modern | 670 | Martin-Farmer, William (1449) | Won 2-0 | +171534 |
| 5modern | 290 | McKay, Zachary (1588) | Lost 1-2 | -171517 |
| 6modern | 713 | Fennell, Christopher (1767) | Lost 0-2 | -131504 |
| 7modern | 689 | Cunningham, Hubert (1508) | Won 2-0 | +181522 |
| average opponent: 1542record: 4-3 | new rating: 1522 | |||