Berkley, Joseph
Current rating: 1429
Record: 2-6
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 281 | Todd, Brandon (1500) | Lost 1-2 | -171445 |
| 2standard | 264 | Englander, Elliott (1481) | Lost 0-2 | -181427 |
| 3standard | 458 | McFall, Ethan (1464) | Won 2-0 | +191446 |
| 4standard | 343 | Grwinski, Logan (1482) | Lost 1-2 | -171429 |
| average opponent: 1482record: 1-3 | new rating: 1429 | |||
| Grand Prix Chicago 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 99 | Wood, Anthony (1431) | Lost 0-2 | -191481 |
| 2modern | 399 | Balicki, Mason (1482) | Lost 0-2 | -181463 |
| 3modern | 461 | GERRING, SAM (1464) | Won 2-0 | +181481 |
| 4modern | 495 | Norman, John (1433) | Lost 0-2 | -191462 |
| average opponent: 1452record: 1-3 | new rating: 1462 | |||