Stamper, Marek
Current rating: 1495
Record: 4-4
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 747 | Kramer, Anthony (1500) | Lost 1-2 | -181482 |
| 2standard | 839 | Bei, Lei (1482) | Won 2-0 | +181500 |
| 3standard | 855 | Brubeck, Tom (1431) | Won 2-0 | +171517 |
| 4standard | 627 | Williamson, Scott (1361) | Won 2-0 | +151532 |
| 5standard | 609 | Hahn, Mike (1490) | Lost 1-2 | -191513 |
| 6standard | 726 | Wallace-Cyman, Daniel (1518) | Lost 1-2 | -181495 |
| 7standard | 745 | Allen, Jim (1501) | Won 2-1 | +181513 |
| 8standard | 680 | Bell, Timothy (1487) | Lost 0-2 | -181495 |
| average opponent: 1471record: 4-4 | new rating: 1495 | |||