Buttke, Josh
Current rating: 1582
Record: 10-6
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 64 | McPoland, Stephen (1500) | Won 2-1 | +181561 |
| 2legacy | 170 | MacDonald, Dylan (1747) | Won 2-0 | +211582 |
| 3legacy | 388 | Gracia, Connor (1532) | Lost 1-2 | -191563 |
| 4legacy | 359 | Brittain, Daniel (1523) | Won 2-0 | +171580 |
| 5legacy | 287 | Grant, Bradford (1725) | Lost 1-2 | -151565 |
| 6legacy | 422 | Knauft, Quinton (1521) | Won 2-1 | +171582 |
| 7legacy | 245 | Sundberg, Seth (1489) | Won 2-1 | +161598 |
| 8legacy | 115 | Chan, Robbie (1705) | Lost 1-2 | -161582 |
| average opponent: 1593record: 5-3 | new rating: 1582 | |||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 4 | Wetzel, Aaron (1518) | Lost 1-2 | -181482 |
| 3sealed | 367 | Pierce-Ruhland, Jonathan (1501) | Won 2-0 | +191501 |
| 4sealed | 196 | Heineman, David (1419) | Lost 0-2 | -201481 |
| 5sealed | 384 | Fehr, Dan (1501) | Won 2-0 | +191500 |
| 6sealed | 190 | Bergum, Mike J (1517) | Won 2-1 | +181518 |
| 7sealed | 122 | Terry, Jason (1596) | Won 2-0 | +191537 |
| 8sealed | 76 | Swartz, Noah (1683) | Won 2-1 | +211558 |
| 9sealed | 50 | Orsini Jones, Matteo (1750) | Lost 0-2 | -151543 |
| average opponent: 1561record: 5-3 | new rating: 1543 | |||