Bartke, Billy
Current rating: 1448
Record: 1-4
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 625 | Bennett, Paul (1500) | Lost 0-2 | -171448 |
| record: 0-1 | new rating: 1448 | |||
| Grand Prix Chicago 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 210 | Stickroe, Tim (1500) | Won 2-0 | +181518 |
| 2modern | 195 | Swerdlow-Freed, Aaron (1490) | Lost 1-2 | -191499 |
| 3modern | 263 | Yanyuk, Andrey (1586) | Lost 1-2 | -161483 |
| 4modern | 442 | Arnold, Chris (1499) | Lost 1-2 | -181465 |
| average opponent: 1519record: 1-3 | new rating: 1465 | |||