Shaffer, Alex
Current rating: 1444
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 279 | Padalino, Sal (1366) | Won 2-0 | +161476 |
| 2sealed | 194 | Sada, Matt (1518) | Lost 0-2 | -171459 |
| 3sealed | 328 | Satkamp, Isaac (1506) | Lost 0-2 | -171442 |
| 4sealed | 500 | Rosander, Jesse (1470) | Won 2-0 | +181460 |
| 5sealed | 290 | Chien, Richard (1529) | Won 2-0 | +191479 |
| 6sealed | 302 | Aneshansley, Paul (1518) | Lost 0-2 | -171462 |
| 7sealed | 294 | Jenkins, Tracie (1442) | Lost 0-2 | -181444 |
| top | average opponent: 1478record: 3-4 | new rating: 1444 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 202 | Mendoza, Matt (1692) | Lost 1-2 | -141418 |
| 2modern | 724 | Schick, Alan (1484) | Lost 1-2 | -161402 |
| 3modern | 835 | Just, Andrew (1430) | Lost 1-2 | -181384 |
| 4modern | 931 | Langford, Matthew (1388) | Won 2-1 | +181402 |
| 5modern | 821 | Rosenzweig, Michael (1464) | Won 2-0 | +191421 |
| 6modern | 764 | Thompson, Chris [USA] (1483) | Lost 0-2 | -171404 |
| 7modern | 701 | Kieffer, Adam (1461) | Won 2-1 | +191423 |
| 8modern | 594 | Smith, Brian (1371) | Won 2-1 | +171440 |
| 9modern | 431 | Tanner, Jonathan (1503) | Won 2-1 | +201460 |
| top | average opponent: 1475record: 5-4 | new rating: 1460 | ||
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 280 | Crump, Eric (1684) | Lost 1-2 | -151485 |
| 2standard | 293 | Rogers, Robert (1483) | Lost 0-2 | -181467 |
| 3standard | 501 | Peterson, Jeremy (1436) | Lost 1-2 | -181449 |
| 5standard | 459 | Reid, Aaron (1414) | Won 2-0 | +171466 |
| 6standard | 365 | Hart, Tyler (1527) | Lost 0-2 | -171449 |
| 7standard | 340 | Neighbors, TJ (1452) | Lost 1-2 | -181431 |
| 8standard | 276 | Rosenberg, Andrew (1441) | Lost 0-2 | -181413 |
| 9standard | 232 | Felice, Seth (1429) | Won 0-0 | +191432 |
| top | average opponent: 1484record: 2-6 | new rating: 1432 | ||