Piper, Jason
Current rating: 1539
Record: 10-8
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 340 | Wang, Wenjia (1382) | Won 2-0 | +151535 |
| 2sealed | 76 | Hoffman, Alexander (1579) | Won 2-1 | +191554 |
| 3sealed | 161 | D'Clute, Joshua (1537) | Won 2-1 | +181572 |
| 4sealed | 125 | Severson, Eric (1779) | Lost 0-2 | -151557 |
| 5sealed | 301 | Rudolph, David (1634) | Lost 1-2 | -161541 |
| 6sealed | 408 | Baker, Steve (1448) | Won 2-1 | +161557 |
| 7sealed | 299 | Mulcahy, Brendan (1537) | Lost 0-2 | -181539 |
| average opponent: 1557record: 4-3 | new rating: 1539 | |||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 1026 | Gerhart, Kevin (1474) | Lost 1-2 | -181482 |
| 4modern | 1376 | Rubinstein, Garrett (1417) | Won 2-1 | +161498 |
| 5modern | 1211 | Barnard, Ryeland (1521) | Lost 1-2 | -171481 |
| 6modern | 1241 | Gullo, Thomas (1552) | Won 2-0 | +191500 |
| 7modern | 1257 | Macejka, Larry (1477) | Won 2-0 | +181518 |
| 8modern | 1175 | McIntosh, Patrick (1554) | Won 2-1 | +181536 |
| 9modern | 1052 | Chen, Cliff (1568) | Won 2-1 | +191555 |
| 10modern | 113 | Wiecenski, Robert (1506) | Won 2-1 | +171572 |
| 11modern | 53 | Schibanoff, Justin (1617) | Lost 1-2 | -171555 |
| 12modern | 127 | Clark, Billy-Ray (1584) | Lost 1-2 | -181537 |
| 13modern | 159 | Kim, Jason (1556) | Lost 0-2 | -171520 |
| average opponent: 1530record: 6-5 | new rating: 1520 | |||