Van De Workeen, Charles
Current rating: 1418
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 641 | Sabia, Sean (1462) | Lost 0-2 | -181432 |
| 2modern | 844 | Shaffer, Walter (1482) | Won 2-1 | +191451 |
| 3modern | 955 | Miller, Brian D (1542) | Lost 0-2 | -161435 |
| 4modern | 1036 | Lasichak, Christopher (1480) | Lost 0-2 | -171418 |
| top | average opponent: 1491record: 1-3 | new rating: 1418 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1419 | Potter, Charles (1500) | Lost 1-2 | -181465 |
| 2modern | 1421 | Campbell, Aidan (1518) | Won 2-0 | +191484 |
| 3modern | 1566 | Quinn, Stephen (1582) | Lost 1-2 | -161468 |
| 4modern | 1552 | Henderson, Jacob D (1481) | Lost 1-2 | -181450 |
| top | average opponent: 1520record: 1-3 | new rating: 1450 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 385 | Chandler, Samuel (1482) | Won 2-1 | +181518 |
| 2modern | 44 | Nickerson, Jonathan (1557) | Lost 0-2 | -181500 |
| 3modern | 336 | Nadeau-rifkind, Timoth (1503) | Won 2-0 | +181518 |
| 4modern | 215 | Sheldon, Paul (1573) | Lost 1-2 | -171501 |
| 5modern | 284 | Weinstein, Justin (1455) | Lost 0-2 | -181483 |
| top | average opponent: 1514record: 2-3 | new rating: 1483 | ||