Sieglinger, Jason
Current rating: 1468
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 18 | Rectenwald, Glen (1500) | Lost 1-2 | -181469 |
| 2modern | 1048 | Cooper, Tim (1445) | Won 2-1 | +181487 |
| 3modern | 984 | Pekar, George (1464) | Lost 0-2 | -181469 |
| 4modern | 1115 | Bliss, Richard (1465) | Lost 0-2 | -181451 |
| 5modern | 1066 | Hennessey, Bob (1397) | Won 2-0 | +171468 |
| top | average opponent: 1454record: 2-3 | new rating: 1468 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 524 | Kausch, Zach (1445) | Won 2-1 | +171497 |
| 2modern | 289 | Bentzig, Scott (1515) | Lost 1-2 | -171480 |
| 3modern | 411 | Kogan, Mark (1465) | Lost 0-2 | -191461 |
| 4modern | 533 | Stuemke, Kory (1485) | Won 2-0 | +191480 |
| 5modern | 410 | Ziegler, Eric (1685) | Won 2-0 | +221502 |
| 6modern | 436 | Johnson, Craig (1651) | Draw 1-1 | +21504 |
| 7modern | 400 | Thacher, Kory (1539) | Lost 1-2 | -171487 |
| 8modern | 388 | Farmer, Mathew (1498) | Won 2-1 | +181505 |
| 9modern | 340 | Newman, Trent M (1514) | Lost 0-2 | -181487 |
| top | average opponent: 1533record: 4-4-1 | new rating: 1487 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 504 | Padgett, Paul (1485) | Won 2-1 | +181518 |
| 2modern | 356 | Anton, Leon (1485) | Lost 0-2 | -191499 |
| 3modern | 436 | Francisco, Benjamin (1483) | Won 2-0 | +181517 |
| 4modern | 392 | Priver, David (1539) | Lost 1-2 | -181499 |
| 5modern | 464 | Longnecker, Robert (1430) | Lost 1-2 | -191480 |
| top | average opponent: 1484record: 2-3 | new rating: 1480 | ||