Heard, Derrick
Current rating: 1431
| Grand Prix Madison 2019 (WAR limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Stryczek, Brad (1556) | Lost 0-2 | -161448 |
| 2sealed | 287 | Rougvie, Malcolm (1447) | Draw 1-1 | 01448 |
| 3sealed | 393 | Brattin, Jon (1480) | Lost 0-2 | -171431 |
| top | average opponent: 1494record: 0-2-1 | new rating: 1431 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 256 | Noland, Donald (1476) | Lost 1-2 | -181502 |
| 2sealed | 431 | Tempas, Joel (1496) | Lost 0-2 | -191483 |
| 3sealed | 525 | Daugs, Mike (1463) | Lost 1-2 | -181465 |
| 4sealed | 506 | Monzo, Ellen (1445) | Won 2-0 | +181483 |
| 5sealed | 412 | Stratton, Travis D (1464) | Lost 0-2 | -191464 |
| top | average opponent: 1469record: 1-4 | new rating: 1464 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 176 | Fite, Morgan (1500) | Won 2-0 | +181518 |
| 2legacy | 62 | Alshanski, Scott (1499) | Lost 0-2 | -181500 |
| 3legacy | 459 | Witherell, Randal (1410) | Lost 1-2 | -201480 |
| 4legacy | 509 | Paolillo, Guy J (1482) | Won 2-1 | +181498 |
| 5legacy | 382 | Coulombe, Kristofer (1501) | Won 2-1 | +181516 |
| 6legacy | 315 | Blackman, Brett (1705) | Lost 1-2 | -141502 |
| 7legacy | 296 | Cary, Michael (1517) | Won 2-1 | +181520 |
| 8legacy | 210 | Capitelli, Richard J (1518) | Won 2-1 | +181538 |
| 9legacy | 140 | Mize, Logan (1573) | Lost 0-2 | -181520 |
| top | average opponent: 1523record: 5-4 | new rating: 1520 | ||