Vacek, Davey
Current rating: 1508
Record: 3-3
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 636 | Lottich, Chris (1462) | Lost 1-2 | -191481 |
| 2standard | 793 | Nolan, David (1692) | Won 2-1 | +221503 |
| 3standard | 726 | Bennett, Paul (1499) | Won 2-0 | +181521 |
| 4standard | 675 | Perkins, Tony (1562) | Lost 0-2 | -171504 |
| 5standard | 790 | Kidd, Daniel (1498) | Won 2-1 | +181522 |
| 6standard | 538 | Tramper, Auston (1737) | Lost 0-2 | -141508 |
| average opponent: 1575record: 3-3 | new rating: 1508 | |||