Rogge, John
Current rating: 1444
Record: 2-5
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 305 | Whiteside, Edward (1500) | Won 2-0 | +181518 |
| 2standard | 156 | Crawley, Jeremy (1540) | Lost 0-2 | -181500 |
| 3standard | 329 | Larsson, Andrew (1464) | Lost 1-2 | -181482 |
| 4standard | 573 | Friberg, Chris (1482) | Won 2-1 | +181500 |
| 5standard | 375 | Anduha, Michael (1496) | Lost 0-2 | -181482 |
| 6standard | 436 | Ybarra, Vincent (1482) | Lost 1-2 | -181464 |
| 7standard | 397 | Ricker, Tegan (1375) | Lost 0-2 | -201444 |
| average opponent: 1477record: 2-5 | new rating: 1444 | |||