Heberling, Jeffrey
Current rating: 1509
Record: 6-6
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 103 | York, Derrick (1495) | Won 2-0 | +181499 |
| 2standard | 131 | Kelly, Frank (1428) | Won 2-0 | +171516 |
| 3standard | 51 | Re, Joseph (1476) | Won 2-0 | +171533 |
| 4standard | 41 | Cheung, Raymond (1823) | Lost 1-2 | -121521 |
| 5standard | 103 | Bose, Arjune (1713) | Lost 1-2 | -151506 |
| 6standard | 265 | Leppo, Jay (1518) | Won 2-0 | +181524 |
| 7standard | 158 | Dilks, Matthew (1702) | Lost 1-2 | -151509 |
| average opponent: 1594record: 4-3 | new rating: 1509 | |||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 575 | Olds, Adam (1514) | Lost 1-2 | -181482 |
| 2modern | 785 | Durko, Joe (1482) | Won 2-0 | +181500 |
| 3modern | 1032 | Weddle, William (1384) | Won 2-1 | +161516 |
| 4modern | 423 | Davis, Shawn (1525) | Lost 1-2 | -181498 |
| 5modern | 815 | Xu, Jimmy (1546) | Lost 1-2 | -171481 |
| average opponent: 1490record: 2-3 | new rating: 1481 | |||