Wickham, Derek
Current rating: 1407
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 380 | Sweat, Daniel (1500) | Lost 1-2 | -171425 |
| 2modern | 403 | Mayall, Courtney (1480) | Lost 0-2 | -171408 |
| 3modern | 555 | Ulrich, Bruce (1343) | Won 2-0 | +171425 |
| 4modern | 404 | Jacobi, Brian (1437) | Lost 0-2 | -181407 |
| top | average opponent: 1440record: 1-3 | new rating: 1407 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 516 | Hollis, Hayden (1500) | Won 2-0 | +181498 |
| 2standard | 20 | Conway, Sean (1376) | Lost 0-2 | -201478 |
| 3standard | 487 | Zylberman, Mike (1417) | Lost 1-2 | -191459 |
| 4standard | 549 | Wellons, Christopher J (1508) | Lost 0-2 | -171442 |
| top | average opponent: 1450record: 1-3 | new rating: 1442 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | Hingorani, Sahil (1500) | Lost 0-2 | -181482 |
| 2standard | 348 | Zarsky, Joseph (1404) | Won 2-1 | +171499 |
| 3standard | 418 | Vasquez, Sergio (1496) | Won 2-0 | +181517 |
| 4standard | 219 | Rabb, Tyler (1502) | Lost 1-2 | -191498 |
| 5standard | 343 | Ulmet, Christopher (1486) | Lost 1-2 | -181480 |
| top | average opponent: 1477record: 2-3 | new rating: 1480 | ||