Riker, Thomus J
Current rating: 1523
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 273 | Liao, Albert (1394) | Won 2-0 | +161520 |
| 4sealed | 169 | Walker, Adam (1645) | Lost 1-2 | -151505 |
| 5sealed | 222 | Schneider, Justin (1821) | Lost 1-2 | -131492 |
| 6sealed | 334 | Rietze, Robert (1757) | Won 2-0 | +231515 |
| 7sealed | 226 | Fitchko, William (1607) | Won 2-0 | +201535 |
| 8sealed | 131 | Fogle, Jack (1922) | Lost 1-2 | -121523 |
| top | average opponent: 1691record: 3-3 | new rating: 1523 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 179 | Seck, Ben (1781) | Lost 1-2 | -131464 |
| 3sealed | 628 | Jones, Nate (1500) | Won 2-0 | +191483 |
| 4sealed | 377 | Conicelli, Frank (1488) | Won 2-1 | +181501 |
| 5sealed | 122 | Sowar, Eli (1541) | Lost 0-2 | -181483 |
| 6sealed | 357 | Whang, Remus (1567) | Won 2-0 | +201503 |
| 7sealed | 287 | Rodis, Zachary (1542) | Won 2-1 | +191522 |
| 8sealed | 230 | Sawyer, Raymond (1552) | Lost 0-0 | -181504 |
| top | average opponent: 1567record: 4-3 | new rating: 1504 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 163 | Edel, Willy (2014) | Lost 0-2 | -91491 |
| 5sealed | 236 | Whynot, Ryan (1533) | Won 2-0 | +181509 |
| 6sealed | 163 | Calcano, Christian (1727) | Lost 1-2 | -141495 |
| 7sealed | 171 | Johanknecht, Adam (1459) | Lost 1-2 | -181477 |
| top | average opponent: 1683record: 1-3 | new rating: 1477 | ||