Gihorski, Zachary
Current rating: 1527
Record: 8-7
| Grand Prix Charlotte 2015 (modern) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 370 | Clemente, Alex (1500) | Lost 1-2 | -171443 |
| 2modern | 541 | Apony, Zachary (1482) | Won 2-1 | +191462 |
| 3modern | 390 | Weisheit, Hunter (1604) | Lost 1-2 | -161446 |
| 4modern | 505 | Wolfe, Thomas (1483) | Won 2-0 | +191465 |
| 5modern | 433 | Alber, Timothy (1534) | Won 2-1 | +191484 |
| 6modern | 431 | Duke, Zachary (1456) | Won 2-1 | +181502 |
| 7modern | 293 | Drayer, David (1623) | Won 2-1 | +201522 |
| 8modern | 283 | Severa, Matt (1793) | Lost 1-2 | -131509 |
| 9modern | 331 | Berryhill, Ellison (1523) | Won 2-1 | +181527 |
| average opponent: 1555record: 6-3 | new rating: 1527 | |||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 517 | Perrien, Don (1440) | Lost 0-2 | -191481 |
| 2sealed | 402 | Beales, David (1410) | Lost 1-2 | -191462 |
| 3sealed | 747 | Smith, Mathew (1379) | Won 2-0 | +161478 |
| 4sealed | 547 | Feldman, Phoenix (1483) | Won 2-0 | +181496 |
| 5sealed | 433 | Thomashefsky, Justin (1496) | Lost 1-2 | -181478 |
| 6sealed | 502 | Franolich, Ryan (1485) | Lost 1-2 | -181460 |
| average opponent: 1449record: 2-4 | new rating: 1460 | |||