Clawson, David
Current rating: 1396
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1402 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 63 | Hoffert, Roy (1500) | Won 2-0 | +201422 |
| 2legacy | 6 | Cacho, Claudio (1518) | Lost 0-2 | -161406 |
| 3legacy | 276 | Enos, Christopher (1505) | Lost 1-2 | -161390 |
| 4legacy | 338 | Morris, Keith (1374) | Won 2-0 | +171407 |
| 5legacy | 259 | Chambers, Seth (1639) | Won 2-0 | +221429 |
| 6legacy | 224 | Joly Rodrigues, Lucas (1677) | Lost 0-2 | -131416 |
| 7legacy | 229 | Noble, David [USA] (1309) | Lost 0-2 | -201396 |
| top | average opponent: 1503record: 3-4 | new rating: 1396 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 352 | Charlton, Robert (1521) | Won 2-0 | +191446 |
| 2modern | 194 | Bialynski, Ricky (1482) | Lost 0-2 | -171429 |
| 3modern | 590 | Leverett, Ryan (1501) | Won 2-1 | +191448 |
| 4modern | 293 | Forshey, John (1521) | Won 2-0 | +201468 |
| 5modern | 504 | Dye, Brandon (1686) | Lost 0-2 | -151453 |
| 6modern | 706 | Hoffmann, Matthew (1644) | Lost 0-2 | -141439 |
| 7modern | 573 | Quintero, Pedro (1355) | Lost 1-2 | -201419 |
| 8modern | 574 | Bliss, Richard (1467) | Lost 0-2 | -171402 |
| top | average opponent: 1522record: 3-5 | new rating: 1402 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1478 | Choudhury, Abhishek (1484) | Won 2-1 | +181518 |
| 2legacy | 1668 | Viens, Marc-Alexandre (1559) | Lost 0-2 | -181500 |
| 3legacy | 1924 | Huffman, Brian (1454) | Lost 1-2 | -181482 |
| 4legacy | 1879 | Jones, Madalyn (1461) | Lost 0-2 | -191463 |
| 5legacy | 1906 | Gross, Henry (1462) | Won 2-0 | +181481 |
| 6legacy | 1805 | Lynch, Brandon (1446) | Lost 1-2 | -181463 |
| 7legacy | 1775 | Aleman, Larry (1461) | Lost 1-2 | -181445 |
| 8legacy | 1695 | Prendergast, Hunter (1443) | Lost 0-2 | -181427 |
| top | average opponent: 1471record: 2-6 | new rating: 1427 | ||