Brobst, Derick
Current rating: 1428
Record: 1-5
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 372 | Cerino, Matthew (1553) | Lost 0-2 | -171483 |
| 2standard | 537 | Frazier, Ashton (1482) | Won 2-1 | +181501 |
| 3standard | 389 | Pastors, William W (1482) | Lost 1-2 | -181483 |
| 4standard | 646 | Cook, Kyle (1482) | Lost 0-2 | -181465 |
| 5standard | 614 | Kang, Matthew (1464) | Lost 0-2 | -181447 |
| 6standard | 574 | Rutherford, James (1431) | Lost 0-2 | -191428 |
| average opponent: 1482record: 1-5 | new rating: 1428 | |||