Shaffer, Dustin
Current rating: 1433
Record: 8-13
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 259 | Thiele, Kyle (1641) | Lost 1-2 | -151464 |
| 3standard | 400 | Stierman, Steven (1688) | Lost 0-2 | -141450 |
| 4standard | 605 | Baker, Travis (1464) | Won 2-1 | +181468 |
| 5standard | 477 | Fricke, Jacob (1504) | Lost 0-2 | -171451 |
| 6standard | 566 | Emslander, Grady (1466) | Lost 1-2 | -181433 |
| top | average opponent: 1553record: 1-4 | new rating: 1433 | ||
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 253 | Kelso, Mark (1621) | Lost 0-2 | -151433 |
| 2standard | 285 | Voss, James (1482) | Won 2-0 | +191452 |
| 3standard | 271 | Milner, David (1496) | Won 2-1 | +191471 |
| 4standard | 282 | Fay, Timothy (1701) | Lost 1-2 | -141457 |
| 5standard | 263 | Fatale, Alfred (1558) | Won 2-0 | +201477 |
| 6standard | 247 | Kelley, Bobby (1546) | Won 2-0 | +191496 |
| 7standard | 131 | Reeder, Chad (1533) | Lost 1-2 | -171479 |
| top | average opponent: 1562record: 4-3 | new rating: 1479 | ||
| Grand Prix Omaha 2015 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 215 | Sandomierski, Nathan (1482) | Lost 1-2 | -181446 |
| 3modern | 301 | Farrell, Michael J (1500) | Won 2-0 | +191465 |
| 4modern | 262 | Cabral, Ryan (1544) | Lost 1-2 | -171448 |
| 5modern | 392 | Rose, Eric (1433) | Won 2-0 | +181466 |
| 6modern | 179 | Jansen, Morgan (1470) | Lost 1-2 | -181448 |
| top | average opponent: 1486record: 2-3 | new rating: 1448 | ||
| Grand Prix Kansas City 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 242 | Alvey, Josh (1434) | Won 2-1 | +171517 |
| 2modern | 4 | Eppinger, Travis (1518) | Lost 1-2 | -181499 |
| 3modern | 339 | Jaeger, Dane (1482) | Lost 1-2 | -181481 |
| 4modern | 419 | Macziewski, Chad (1546) | Lost 0-2 | -171464 |
| top | average opponent: 1495record: 1-3 | new rating: 1464 | ||