Phiffer, Aaron
Current rating: 1513
Record: 27-26
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 290 | Newberry, Will (1500) | Won 2-0 | +181534 |
| 2sealed | 263 | Monk, Jonathan (1464) | Won 2-0 | +161550 |
| 3sealed | 79 | Crook, Matthew (1459) | Lost 1-2 | -191531 |
| 4sealed | 315 | Ferri, Michael (1561) | Lost 0-2 | -181513 |
| top | average opponent: 1496record: 2-2 | new rating: 1513 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 572 | Strasler, Noah (1551) | Lost 1-2 | -191535 |
| 2standard | 772 | Lehrke, Michael (1482) | Lost 0-2 | -181517 |
| 3standard | 971 | Ferral, Evan (1464) | Won 2-0 | +171534 |
| 4standard | 938 | Klein, Lucien (1548) | Lost 1-2 | -181516 |
| top | average opponent: 1511record: 1-3 | new rating: 1516 | ||
| Grand Prix Dallas-Fort Worth 2013 (THS standard) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 311 | Winters, Troi (1500) | Lost 1-2 | -201556 |
| 2standard | 312 | Tovey, Matthew (1482) | Won 2-1 | +171573 |
| 3standard | 361 | Mott, Dalton (1500) | Lost 1-2 | -191554 |
| top | average opponent: 1494record: 1-2 | new rating: 1554 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 344 | Lucas, Amanda (1483) | Won 2-0 | +161579 |
| 2sealed | 330 | Trudell, Raoul (1518) | Lost 1-2 | -191560 |
| 3sealed | 412 | Litton, Jonathan (1406) | Won 2-1 | +151575 |
| 4sealed | 394 | Conard, Brad (1570) | Won 2-0 | +181593 |
| 5sealed | 203 | Koepke, Devin (1732) | Won 2-0 | +211614 |
| 6sealed | 233 | Papanek, Jesse (1553) | Lost 0-2 | -191595 |
| 7sealed | 308 | Xu, Yifan (1532) | Lost 1-2 | -191576 |
| top | average opponent: 1542record: 4-3 | new rating: 1576 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 247 | Rogers, Bethany (1447) | Won 2-1 | +151588 |
| 2sealed | 24 | Huebner, Alex (1470) | Won 2-0 | +161604 |
| 3sealed | 47 | Bordelon, Zachary (1536) | Won 2-1 | +171621 |
| 4sealed | 23 | Hielscher, Eric (1551) | Lost 0-2 | -191602 |
| 5sealed | 128 | Saia, Joseph (1510) | Lost 0-2 | -201582 |
| 6sealed | 140 | Cornacchia, Anthonio (1518) | Lost 0-2 | -191563 |
| top | average opponent: 1505record: 3-3 | new rating: 1563 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 167 | Kunning, Lauryn (1500) | Won 2-0 | +171529 |
| 2standard | 157 | Kim, Que (1518) | Won 2-1 | +181547 |
| 3standard | 60 | Graves, Josh (1463) | Won 2-1 | +171564 |
| 4standard | 38 | BRUCE, NICHOLAS (1465) | Won 2-1 | +161580 |
| 5standard | 29 | Bruno, David (1619) | Won 2-0 | +191599 |
| 6standard | 16 | Duke, Reid (2054) | Lost 0-2 | -111588 |
| 7standard | 44 | Keith, Jody (1826) | Lost 0-2 | -131575 |
| 8standard | 60 | Huebner, Alex (1447) | Won 2-1 | +151590 |
| 9standard | 47 | LeBlanc, Jobey (1600) | Lost 0-2 | -171573 |
| top | average opponent: 1610record: 6-3 | new rating: 1573 | ||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 217 | Wernecke, Joseph (1500) | Won 2-0 | +191505 |
| 2sealed | 246 | Antonova, Nadja (1423) | Won 2-0 | +161521 |
| 3sealed | 32 | Gold, Nick (1500) | Won 2-1 | +181539 |
| 4sealed | 8 | Bogucki, Woodrow (1656) | Lost 0-2 | -161523 |
| 5sealed | 196 | Margules, Bobby (1536) | Won 2-0 | +181541 |
| 6sealed | 61 | Chapin, Patrick (1924) | Lost 0-2 | -111530 |
| 7sealed | 212 | Ho, Fang (1520) | Lost 0-2 | -181512 |
| top | average opponent: 1580record: 4-3 | new rating: 1512 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 180 | Gascoigne, Angus (1500) | Won 2-0 | +191482 |
| 2standard | 75 | Hayashi, Riki (1488) | Lost 0-2 | -181464 |
| 3standard | 251 | Peterson, Erik (1518) | Won 2-1 | +191483 |
| 4standard | 324 | Ortega, Kevin (1518) | Won 2-0 | +191502 |
| 5standard | 214 | Blankenship, Arthur (1620) | Lost 0-2 | -161486 |
| 6standard | 229 | Gonzales, David (1538) | Lost 1-2 | -171469 |
| 7standard | 277 | Kolb, Matt (1449) | Won 2-0 | +171486 |
| top | average opponent: 1519record: 4-3 | new rating: 1486 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 189 | Hansen, David (1500) | Lost 0-1 | -181482 |
| 2sealed | 273 | Perdue, Heath (1483) | Lost 0-2 | -181464 |
| 3sealed | 322 | Roberts, Bryan A (1464) | Won 2-0 | +181482 |
| 4sealed | 276 | Beaumont, Ben (1482) | Won 2-0 | +181500 |
| 5sealed | 212 | Usary, Marsh (1461) | Lost 1-2 | -191481 |
| 6sealed | 210 | Tessler, Jonathan (1484) | Lost 0-2 | -181463 |
| top | average opponent: 1479record: 2-4 | new rating: 1463 | ||