Riska, Shaun
Current rating: 1574
Record: 16-12-2
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 308 | White, Cody (1467) | Won 2-1 | +171533 |
| 2standard | 201 | Grant, Phillip (1481) | Won 2-1 | +171550 |
| 3standard | 215 | Lambaria, Joslyn (1565) | Lost 0-2 | -181532 |
| 4standard | 255 | Janssen, Spencer (1503) | Lost 1-2 | -181514 |
| 5standard | 450 | Mota, Nilvo (1503) | Won 2-0 | +181532 |
| 6standard | 296 | Spatafore, Joseph (1556) | Won 2-0 | +181550 |
| 7standard | 185 | Zurawski, Alex (1603) | Won 2-0 | +191569 |
| 8standard | 198 | Larson, Joshua (1555) | Won 2-1 | +181587 |
| 9standard | 82 | Ting, Jasper (1581) | Lost 0-2 | -181569 |
| 10standard | 171 | Kocuiba, Corey (1543) | Lost 0-2 | -191550 |
| 11standard | 156 | Johnson, Richard 1541 (1513) | Won 2-1 | +181568 |
| 12standard | 129 | Petersen, Logan (1656) | Won 2-1 | +191587 |
| 13standard | 77 | Jansen, Adam (1848) | Lost 1-2 | -131574 |
| top | average opponent: 1567record: 8-5 | new rating: 1574 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 321 | Dang, Alvin (1500) | Won 2-1 | +181517 |
| 2sealed | 199 | Pasibe-Merejil, Marlena May (1539) | Won 2-0 | +181535 |
| 3sealed | 72 | Burnham, Ross (1383) | Won 2-0 | +151550 |
| 4sealed | 58 | Lee, Elden (1602) | Lost 0-2 | -171533 |
| 5sealed | 185 | Marsh, Jordan (1537) | Won 2-1 | +181551 |
| 6sealed | 112 | Stockdill, Paul (1553) | Lost 0-2 | -181533 |
| 7sealed | 117 | Duong, Minh (1569) | Lost 1-2 | -171516 |
| top | average opponent: 1526record: 4-3 | new rating: 1516 | ||
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 642 | Vergin, Matthew (1500) | Lost 0-2 | -181499 |
| top | record: 0-1 | new rating: 1499 | ||
| Grand Prix Minneapolis 2012 (AVR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 74 | Mate, Andrew S (1500) | Lost 0-2 | -181482 |
| 2standard | 378 | Tackaberry, Bramwell (1482) | Lost 1-2 | -181464 |
| 3standard | 420 | Hansen, Jeff (1464) | Won 2-0 | +181482 |
| 4standard | 384 | Poster, Scott (1484) | Lost 1-2 | -181464 |
| 5standard | 434 | Zollner, Jason (1463) | Draw 1-1 | 01464 |
| 6standard | 379 | Allen, Joseph D (1462) | Won 2-0 | +181482 |
| 7standard | 301 | Vlahovich, Heather J (1427) | Won 2-0 | +171499 |
| 8standard | 227 | Rafdahl, Keil (1499) | Won 2-0 | +181517 |
| 9standard | 175 | Gary, Trevor (1517) | Draw 1-1 | 01517 |
| top | average opponent: 1478record: 4-3-2 | new rating: 1517 | ||