Heidorn, Greg
Current rating: 1537
Record: 5-4
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 23 | Barrett, Matthew (1444) | Won 2-1 | +171517 |
| 2sealed | 127 | Patton, Matthew (1498) | Lost 1-2 | -181499 |
| 3sealed | 445 | Habel, Jonathon (1583) | Lost 0-2 | -171482 |
| 4sealed | 427 | Hadley, Kyle (1675) | Won 2-1 | +221504 |
| 5sealed | 427 | Voss, Zach (1780) | Won 2-0 | +231527 |
| 6sealed | 319 | Majlaton, Alex (1851) | Won 2-0 | +231550 |
| 7sealed | 166 | Tetley, Brett (1618) | Lost 0-2 | -161534 |
| 8sealed | 206 | Baker, Thomas (1472) | Won 2-0 | +161550 |
| 9sealed | 206 | Holliday, John (1816) | Lost 0-2 | -131537 |
| average opponent: 1637record: 5-4 | new rating: 1537 | |||