Groff, John
Current rating: 1500
Record: 3-3
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Ware, Terin (1447) | Lost 1-2 | -191481 |
| 2sealed | 611 | George, Sebastian (1500) | Won 2-0 | +181499 |
| 3sealed | 588 | Seefeldt, Dan (1469) | Lost 1-2 | -181481 |
| 4sealed | 773 | LeDuc, Cassandra (1472) | Won 2-0 | +181499 |
| 5sealed | 427 | Smith, Brian (1556) | Won 2-1 | +191518 |
| 6sealed | 497 | Mastrantoni, Joseph (1518) | Lost 0-2 | -181500 |
| average opponent: 1494record: 3-3 | new rating: 1500 | |||