Sommerville, Steve
Current rating: 1495
Record: 13-14-2
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 89 | Moore, Brian (1500) | Won 2-1 | +181527 |
| 2standard | 89 | Melander, Scott (1521) | Lost 0-2 | -181509 |
| 3standard | 167 | Kathol, Trenton (1500) | Won 2-1 | +171526 |
| 4standard | 83 | O'Brien, Cody (1560) | Won 2-0 | +191545 |
| 5standard | 129 | Roach, Zachary (1734) | Lost 0-2 | -151530 |
| 6standard | 176 | Aiken, Simone (1563) | Lost 0-2 | -171513 |
| 7standard | 164 | Withrow, David (1532) | Lost 0-2 | -181495 |
| top | average opponent: 1559record: 3-4 | new rating: 1495 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 323 | Muniz, Nate (1495) | Won 2-1 | +181501 |
| 2standard | 4 | Snowden, Corey (1491) | Lost 1-2 | -181483 |
| 3standard | 439 | Larson, Jonathan (1584) | Won 2-1 | +201503 |
| 4standard | 254 | Willemann III, Charles (1446) | Lost 1-2 | -191484 |
| 5standard | 425 | Lucas, Jeffrey (1529) | Won 2-1 | +191503 |
| 6standard | 246 | Schmidit, David (1532) | Won 2-0 | +181521 |
| 7standard | 139 | Sebastian, Joshua (1596) | Lost 0-2 | -171504 |
| 8standard | 308 | Cheng, Jonathan (1702) | Won 2-1 | +221526 |
| 9standard | 168 | Goolsby, Curtis (1569) | Lost 0-2 | -171509 |
| top | average opponent: 1549record: 5-4 | new rating: 1509 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 82 | White, Nicholas (1532) | Lost 1-2 | -181503 |
| 2standard | 389 | Keysaw, Trevor (1480) | Won 2-0 | +171520 |
| 3standard | 584 | Golon, Corey (1500) | Won 2-1 | +181538 |
| 4standard | 469 | Warr, Jerrod (1448) | Lost 0-2 | -201518 |
| 5standard | 458 | Johnson, Anthony (1562) | Lost 0-0 | -171501 |
| 6standard | 498 | McCoy, Jiles (1483) | Lost 0-2 | -181483 |
| top | average opponent: 1501record: 2-4 | new rating: 1483 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 138 | Atkinson, Richard (1499) | Won 2-0 | +181518 |
| 2standard | 114 | Pham, Nhi (1542) | Lost 0-2 | -181500 |
| 3standard | 420 | Stang, Christian (1500) | Draw 1-1 | 01500 |
| 4standard | 445 | Fox, Zachary (1501) | Won 2-0 | +181518 |
| 5standard | 8 | Kelley, Tom (1503) | Draw 1-1 | 01518 |
| 6standard | 404 | Hernandez, Estevan (1499) | Won 2-0 | +181536 |
| 7standard | 286 | Winburn, Derrick (1696) | Lost 1-2 | -151521 |
| top | average opponent: 1534record: 3-2-2 | new rating: 1521 | ||