Hepfer, Corey
Current rating: 1538
Record: 8-7
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 294 | Zhao, Da (1490) | Won 2-0 | +181504 |
| 2standard | 145 | LaMontagne, Jeremiah (1518) | Won 2-0 | +181522 |
| 3standard | 5 | Felicetti, Ted (1654) | Lost 1-2 | -151507 |
| 4standard | 388 | Roth, Marcus (1602) | Won 2-0 | +191526 |
| 5standard | 225 | Cevasco, Brendan (1651) | Won 2-1 | +211547 |
| 6standard | 150 | Pastore, Kellen (1913) | Lost 1-2 | -121535 |
| 7standard | 225 | Costello, Alexander (1641) | Won 2-0 | +201555 |
| 8standard | 139 | Lash, Michael (1611) | Lost 1-2 | -171538 |
| average opponent: 1635record: 5-3 | new rating: 1538 | |||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 47 | Borders, Joseph (1500) | Won 2-0 | +181518 |
| 2standard | 5 | Bujnowski, Cody (1463) | Won 2-1 | +171535 |
| 3standard | 70 | Courtright, Kevin (1548) | Won 2-0 | +181553 |
| 4standard | 9 | Schrantz, Mac (1753) | Lost 1-2 | -141539 |
| 5standard | 229 | Hwang, Daniel (1661) | Lost 0-2 | -161523 |
| 6standard | 265 | Maxwell, Darragh (1455) | Lost 1-2 | -191504 |
| 7standard | 349 | Candee, Timothy (1504) | Lost 1-2 | -181486 |
| average opponent: 1555record: 3-4 | new rating: 1486 | |||