Koper, Jeff
Current rating: 1466
Record: 1-3-1
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 601 | Johnson, Bryan (1486) | Lost 1-2 | -181482 |
| 2sealed | 505 | Newman, D.J. (1506) | Draw 1-1 | 01482 |
| 3sealed | 759 | DiSalvo, Joseph (1555) | Lost 1-2 | -161466 |
| 4sealed | 795 | Durling, Austin (1494) | Won 2-1 | +181484 |
| 5sealed | 660 | Patalinghug, Eric R. (1499) | Lost 0-2 | -181466 |
| average opponent: 1508record: 1-3-1 | new rating: 1466 | |||