Clark, Greg
Current rating: 1520
Record: 12-11
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 16 | Cox, Eric (1463) | Lost 1-2 | -191522 |
| 2modern | 742 | Mendoza, Raul (1470) | Won 2-1 | +171539 |
| 3modern | 1224 | McKeown, Charles (1496) | Lost 0-2 | -191520 |
| top | average opponent: 1476record: 1-2 | new rating: 1520 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 432 | Gibbons, Jonas (1467) | Won 2-1 | +171534 |
| 2modern | 417 | Carroll, Brandon (1514) | Won 2-0 | +181552 |
| 3modern | 367 | Curry, Mack (1534) | Won 2-1 | +171569 |
| 4modern | 226 | Adams, Evan (1840) | Lost 0-2 | -131556 |
| 5modern | 287 | Inglis, David [USA] (1634) | Lost 0-2 | -161540 |
| 6modern | 629 | Babaian, Christopher (1525) | Lost 1-2 | -191521 |
| 7modern | 547 | Harduvel, John (1553) | Won 2-0 | +191540 |
| 8modern | 355 | Fileccia, Matthew (1515) | Won 2-1 | +171557 |
| 9modern | 428 | Drury, Dustin (1671) | Lost 0-2 | -161541 |
| top | average opponent: 1584record: 5-4 | new rating: 1541 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 227 | Andrews, James (1500) | Won 2-1 | +181536 |
| 2sealed | 109 | Walker, Evan (1500) | Won 2-1 | +171553 |
| 3sealed | 61 | Smisek, Sam (1535) | Lost 1-2 | -181535 |
| 4sealed | 146 | Potter, Jason (1544) | Lost 1-2 | -181517 |
| top | average opponent: 1520record: 2-2 | new rating: 1517 | ||
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 625 | Moran, Eric (1487) | Won 2-0 | +181518 |
| 2modern | 129 | Marfisi, Anne (1453) | Won 2-1 | +171535 |
| 3modern | 230 | Smith, Madison (1605) | Won 2-0 | +191554 |
| 4modern | 237 | Gillette, Daniel (1520) | Won 2-0 | +171571 |
| 5modern | 175 | Folk, Anthony (1574) | Lost 1-2 | -181553 |
| 6modern | 233 | Williams, Patrick (1572) | Lost 1-2 | -171536 |
| 7modern | 244 | Burns, Jonathan (1558) | Lost 1-2 | -181518 |
| top | average opponent: 1538record: 4-3 | new rating: 1518 | ||