Osantowski, John
Current rating: 1441
Record: 1-4-1
| Grand Prix Omaha 2017 (AKH standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 239 | Van Den Top, Chris (1436) | Draw 1-1 | -11499 |
| 2standard | 190 | Kilburn, Brian (1399) | Lost 1-2 | -201479 |
| 3standard | 331 | Ranney, Ryan (1398) | Lost 1-2 | -191460 |
| 4standard | 371 | Graham, Aaron [USA] (1462) | Won 2-1 | +181478 |
| 5standard | 315 | Roeber, Darrin (1433) | Lost 1-2 | -191459 |
| 6standard | 336 | Hardy, Fredrick (1477) | Lost 0-2 | -181441 |
| average opponent: 1434record: 1-4-1 | new rating: 1441 | |||