Speidel, David
Current rating: 1431
Record: 6-10-1
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 563 | Van Zee, Will (1318) | Draw 1-1 | -21426 |
| 2legacy | 479 | Matthews, Bo (1548) | Won 2-0 | +211447 |
| 3legacy | 631 | Galacgac, Daniel (1532) | Won 2-0 | +191466 |
| 4legacy | 337 | Avery, Alex (1533) | Lost 0-2 | -171449 |
| 5legacy | 595 | Farran, Ali (1519) | Lost 1-2 | -161433 |
| 6legacy | 770 | Ames, Jason (1532) | Won 2-1 | +191452 |
| 7legacy | 583 | McConnell II, Esker (1240) | Won 2-0 | +151467 |
| 8legacy | 396 | Winkler, Will (1488) | Lost 0-2 | -181449 |
| 9legacy | 509 | Anderson, Jamie (1461) | Lost 0-2 | -181431 |
| top | average opponent: 1463record: 4-4-1 | new rating: 1431 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 228 | Nichols, Anthony (1460) | Lost 1-2 | -181445 |
| 2sealed | 322 | Milliken, Seth (1469) | Lost 1-2 | -181427 |
| 3sealed | 425 | Jensen, Rebecca (1468) | Won 2-0 | +191446 |
| 4sealed | 355 | Paiva, Lucas (1463) | Lost 0-2 | -181428 |
| top | average opponent: 1465record: 1-3 | new rating: 1428 | ||
| Grand Prix Salt Lake City 2014 (M15 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 181 | Henrie, Easton (1463) | Lost 0-2 | -191481 |
| 2sealed | 267 | Mangum, Everett (1482) | Won 2-0 | +181499 |
| 3sealed | 282 | Adams, Nolan (1495) | Lost 0-2 | -181481 |
| 4sealed | 311 | Morgan, David (1467) | Lost 0-2 | -181463 |
| top | average opponent: 1477record: 1-3 | new rating: 1463 | ||