Sommerfeld, Daniel
Current rating: 1414
Record: 17-24
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 773 | Oliver, Evan (1500) | Lost 1-2 | -171406 |
| 2modern | 693 | Fraser, Andrew (1482) | Lost 1-2 | -171389 |
| 4modern | 799 | Bobadilla, Humberto (1482) | Won 2-0 | +201409 |
| 5modern | 754 | Henson, Christopher (1486) | Won 2-1 | +201429 |
| 6modern | 591 | Hamernick Jr, Burt (1600) | Lost 1-2 | -151414 |
| top | average opponent: 1510record: 2-3 | new rating: 1414 | ||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1404 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 309 | Paton, Jon (1724) | Lost 0-2 | -121392 |
| 2modern | 597 | Holt, Brandon (1534) | Won 2-0 | +201412 |
| 3modern | 522 | Hernandez, Rogelio (1572) | Won 2-1 | +211433 |
| 4modern | 181 | Laymon, Arrick (1529) | Won 2-0 | +201453 |
| 5modern | 214 | Neuding, Aaron (1537) | Won 2-0 | +201473 |
| 6modern | 156 | Armstrong, Timothy (1534) | Lost 0-2 | -171456 |
| 7modern | 174 | Merritt, Phillip (1475) | Lost 0-2 | -181438 |
| 8modern | 276 | Burton, Justin (1580) | Lost 1-2 | -151423 |
| top | average opponent: 1561record: 4-4 | new rating: 1423 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 402 | Rios, Michael (1480) | Won 2-1 | +181475 |
| 2modern | 120 | Bloch, Christopher (1569) | Lost 0-2 | -161459 |
| 3modern | 626 | Barnett, Richard (1449) | Lost 0-2 | -191440 |
| 4modern | 802 | Sterns, Matthew (1386) | Lost 0-2 | -191421 |
| 5modern | 811 | Zollo, Jonathan (1464) | Lost 0-2 | -171404 |
| top | average opponent: 1470record: 1-4 | new rating: 1404 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 198 | Herrington, Aaron (1436) | Won 2-1 | +171505 |
| 2standard | 336 | Chen, Xiang-Yu (1521) | Lost 0-2 | -181487 |
| 3standard | 397 | Simpson, Marshall (1404) | Won 2-1 | +161503 |
| 4standard | 255 | Merriam, Ross (1929) | Lost 0-2 | -101493 |
| 5standard | 650 | Gustafson, Peter (1437) | Lost 1-2 | -191474 |
| 6standard | 710 | Ashford, Steven (1513) | Lost 1-2 | -171457 |
| top | average opponent: 1540record: 2-4 | new rating: 1457 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 35 | Checo Rodriguez, Dervin (1500) | Won 2-1 | +181507 |
| 2standard | 106 | Soules, Daniel (1401) | Lost 0-2 | -201487 |
| 3standard | 285 | Johnson, Matthew 341 (1504) | Lost 0-2 | -181469 |
| 4standard | 447 | Jacobi, William (1482) | Won 2-0 | +191488 |
| top | average opponent: 1472record: 2-2 | new rating: 1488 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 319 | Gierst, Dustin V (1438) | Won 2-0 | +171503 |
| 2sealed | 32 | Chen, David [USA] (1518) | Won 2-0 | +181521 |
| 3sealed | 29 | Johnson, Ethan (1508) | Lost 0-2 | -181503 |
| 4sealed | 156 | Mitcham, Jeffrey A (1517) | Won 2-1 | +181521 |
| 5sealed | 330 | Rudyak, Rada (1645) | Lost 0-2 | -151506 |
| 6sealed | 147 | Reingold, Johnathan (1576) | Lost 1-2 | -171489 |
| top | average opponent: 1534record: 3-3 | new rating: 1489 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 94 | Tatum, Joseph (1500) | Won 2-1 | +181518 |
| 2standard | 93 | Storm, David (1500) | Lost 1-2 | -181500 |
| 3standard | 175 | Chapman, Steven (1427) | Lost 1-2 | -201480 |
| 4standard | 354 | Savidge, James L (1418) | Won 2-0 | +171497 |
| 5standard | 192 | Gonzalez, Jeremy (1497) | Won 2-0 | +181515 |
| 6standard | 216 | Lutzi, Brenden (1505) | Lost 1-2 | -181497 |
| 7standard | 180 | Tietze, Maxwell (1893) | Lost 0-2 | -111486 |
| top | average opponent: 1534record: 3-4 | new rating: 1486 | ||