Clark, Christopher
Current rating: 1435
Record: 13-19-1
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 242 | Papp, Michael (1453) | Lost 0-1 | -181453 |
| 2sealed | 381 | Astolfi, Michaelt (1483) | Won 2-1 | +181471 |
| 3sealed | 442 | Kil, Daniel (1441) | Lost 0-2 | -181453 |
| 4sealed | 523 | Valentino, Ryan (1489) | Lost 1-2 | -181435 |
| top | average opponent: 1466record: 1-3 | new rating: 1435 | ||
| Grand Prix Omaha 2015 (modern) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 334 | Reeser, Jonathan (1463) | Won 2-1 | +191454 |
| 2modern | 162 | Platt, Brent (1504) | Won 2-0 | +191473 |
| 3modern | 113 | Binek, Alex (1632) | Lost 0-2 | -151458 |
| 4modern | 152 | Mittelstadt, Tim (1457) | Won 2-0 | +181476 |
| 5modern | 307 | Vidugiris, Gaudenis (2065) | Lost 0-2 | -91467 |
| 6modern | 291 | Ramsay, John (1608) | Won 2-1 | +211488 |
| 7modern | 235 | Hardy, Jason (1549) | Lost 0-2 | -171471 |
| top | average opponent: 1611record: 4-3 | new rating: 1471 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 66 | Yanke, Eric (1518) | Won 2-0 | +201465 |
| 3sealed | 129 | Cannistraro, Michael (1636) | Lost 0-2 | -151450 |
| 4sealed | 257 | Kayim-yanko, Korai (1518) | Lost 1-2 | -171433 |
| 5sealed | 351 | Kim, Yong (1499) | Won 2-0 | +191452 |
| 6sealed | 277 | Babar, Zee Shan (1518) | Lost 1-2 | -171435 |
| top | average opponent: 1538record: 2-3 | new rating: 1435 | ||
| Grand Prix Minneapolis 2005 (Kamigawa block) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 50 | Wilczek, Robert (1500) | Lost 0-2 | -161421 |
| 2block | 147 | Inyan Mata, Steven (1482) | Won 2-0 | +191440 |
| 3block | 110 | Chelberg, Jeffrey (1554) | Lost 1-2 | -161424 |
| 4block | 142 | Fischer, Jeff (1482) | Won 2-0 | +191443 |
| 5block | 126 | Weidenkopf, Paul (1499) | Won 2-1 | +191462 |
| 6block | 67 | Ashkar, Ben (1537) | Lost 1-2 | -171445 |
| top | average opponent: 1509record: 3-3 | new rating: 1445 | ||
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 127 | Shuit, Sinclair (1500) | Won 2-0 | +191431 |
| 2sealed | 6 | Ferrara, Michael (1519) | Lost 1-2 | -161415 |
| 3sealed | 304 | Alt, Chadwick (1500) | Won 2-1 | +191434 |
| 4sealed | 156 | Corbitt, Tyler (1524) | Won 2-0 | +201454 |
| 5sealed | 168 | Pinnegar, Michael (1536) | Lost 0-2 | -171437 |
| top | average opponent: 1516record: 3-2 | new rating: 1437 | ||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 41 | Curtis, Craig (1499) | Lost 0-2 | -171429 |
| 2block | 242 | Gillis, Daniel (1447) | Lost 0-2 | -171412 |
| top | average opponent: 1473record: 0-2 | new rating: 1412 | ||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 184 | Stewart, Curtis (1500) | Lost 0-2 | -181482 |
| 2sealed | 239 | Bade-Weinbaum, Erin (1482) | Draw 1-1 | 01482 |
| 3sealed | 233 | Goethals, Bryan L. (1482) | Lost 0-2 | -181464 |
| 4sealed | 253 | Powell, Michael (1482) | Lost 0-2 | -181446 |
| top | average opponent: 1487record: 0-3-1 | new rating: 1446 | ||