Cegielski, John
Current rating: 1488
Record: 2-3
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 467 | Camp, Jacob (1500) | Won 2-0 | +181518 |
| 2modern | 9 | Mispagel, Joey (1802) | Lost 1-2 | -131505 |
| 3modern | 364 | Cauli, Paquito (1493) | Lost 0-0 | -181487 |
| 4modern | 533 | Mayo, Frank (1558) | Won 2-1 | +191506 |
| 5modern | 362 | Sullivan, Matthew (1494) | Lost 0-2 | -181488 |
| average opponent: 1570record: 2-3 | new rating: 1488 | |||