Guyton, Derek
Current rating: 1429
Record: 1-5
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 41 | Freas, Gerald (1529) | Lost 0-2 | -171483 |
| 2standard | 470 | Pangle, Jason (1522) | Lost 1-2 | -181465 |
| 3standard | 618 | Chafe, Tommy (1464) | Lost 0-2 | -181447 |
| 4standard | 721 | Abramowitz, Mark (1446) | Lost 1-2 | -181429 |
| 5standard | 670 | Presti, Ryan (1428) | Won 2-1 | +181447 |
| 6standard | 585 | Corthell, Curtis (1447) | Lost 0-2 | -181429 |
| average opponent: 1473record: 1-5 | new rating: 1429 | |||