Clark, Christopher 331
Current rating: 1513
Record: 6-6
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 114 | Quitos, Anthony (1500) | Won 2-0 | +171544 |
| 2sealed | 41 | Jones, Dakota (1518) | Lost 0-2 | -181526 |
| 3sealed | 243 | Meister, Eric (1503) | Lost 1-2 | -191507 |
| 4sealed | 277 | Wilkinson, Adam (1615) | Won 2-0 | +201527 |
| 5sealed | 169 | Johnston, Adam (1730) | Lost 1-2 | -141513 |
| average opponent: 1573record: 2-3 | new rating: 1513 | |||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 101 | Maloney, Kyle (1500) | Lost 1-2 | -181482 |
| 2standard | 290 | Ruefen, Matt (1482) | Won 2-0 | +181500 |
| 3standard | 338 | Taylor, Zachary (1462) | Won 2-0 | +171517 |
| 4standard | 262 | Bartolomei, Iain (1918) | Lost 0-2 | -111506 |
| 5standard | 295 | Maine, Andrew (1636) | Won 0-0 | +211527 |
| 6standard | 212 | Drescher, Will (1514) | Won 2-1 | +171544 |
| 7standard | 168 | Darby, Wyatt (1565) | Lost 0-2 | -171527 |
| average opponent: 1582record: 4-3 | new rating: 1527 | |||