Grundman, Shawn
Current rating: 1480
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 973 | Harley, Carter (1480) | Won 2-0 | +181495 |
| 2sealed | 574 | Halm, Matt (1482) | Lost 0-2 | -181477 |
| 3sealed | 1027 | Williams, Justin (1497) | Won 2-0 | +191496 |
| 4sealed | 915 | Struebing, Christian (1521) | Lost 1-2 | -181478 |
| 5sealed | 961 | Barciella, Francisco (1610) | Won 2-1 | +201498 |
| 6sealed | 847 | Curry, Mack (1486) | Lost 0-2 | -181480 |
| top | average opponent: 1513record: 3-3 | new rating: 1480 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 130 | Douglass, Tyler (1643) | Lost 0-2 | -161495 |
| 2sealed | 783 | Bayog, Francis (1503) | Lost 1-2 | -181477 |
| top | average opponent: 1573record: 0-2 | new rating: 1477 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 422 | Opalk, Ryan (1598) | Won 2-0 | +201520 |
| 5sealed | 405 | Donovan, John (1537) | Won 2-1 | +181538 |
| 6sealed | 412 | Black, Samuel (1829) | Lost 1-2 | -131525 |
| 7sealed | 424 | Eddy, Austin W (1572) | Lost 0-2 | -171508 |
| 8sealed | 489 | Landim, Roger William (1525) | Won 2-1 | +181526 |
| 9sealed | 462 | Blankenship, George (1660) | Lost 0-2 | -151511 |
| top | average opponent: 1620record: 3-3 | new rating: 1511 | ||