Decker, Daniel
Current rating: 1371
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1380 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 273 | Um, Johnny (1545) | Lost 0-2 | -151365 |
| 2legacy | 473 | Knatz, Joshua (1428) | Lost 0-2 | -171348 |
| 3legacy | 623 | Wilhelmy, Francois (1435) | Won 2-1 | +201368 |
| 4legacy | 472 | Hoch, Victor (1483) | Won 2-0 | +201388 |
| 5legacy | 314 | Barkon, Daniel (1465) | Lost 0-2 | -171371 |
| top | average opponent: 1471record: 2-3 | new rating: 1371 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 107 | Ellison, Mitch C (1482) | Won 2-1 | +191430 |
| 2legacy | 58 | Brown, Trevor C (1482) | Lost 0-2 | -171413 |
| 3legacy | 270 | Webster, Billy (1559) | Lost 0-2 | -161397 |
| 4legacy | 422 | Price, Greg (1427) | Lost 0-2 | -171380 |
| top | average opponent: 1488record: 1-3 | new rating: 1380 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 256 | Bezrutczyk, Erik (1524) | Lost 0-2 | -181482 |
| 2extended | 381 | Vanaver, Elijah (1482) | Lost 0-2 | -181464 |
| 3extended | 407 | Folsom, Ed (1464) | Lost 0-2 | -181446 |
| 4extended | 444 | Jansen, Peter (1446) | Lost 0-2 | -181428 |
| 5extended | 404 | osmun, robert (1428) | Won 2-1 | +181446 |
| 6extended | 343 | Garabedian, Dylan (1444) | Lost 0-2 | -181428 |
| 7extended | 284 | Taylor, Jay (1428) | Lost 1-2 | -181410 |
| 8extended | 225 | Tveit, Josh (1416) | Won 2-0 | +181428 |
| 9extended | 180 | Sim, Richard (1431) | Lost 1-2 | -171411 |
| top | average opponent: 1452record: 2-7 | new rating: 1411 | ||