Gruning, Anton
Current rating: 1497
Record: 4-4-1
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 569 | Shifflett, Aaron (1500) | Lost 0-2 | -181482 |
| 2modern | 682 | Marchi, Joseph (1545) | Won 2-1 | +191501 |
| 3modern | 813 | Altieri, Alex (1501) | Lost 0-2 | -181483 |
| 4modern | 1066 | Grossfeld, Nathan (1470) | Won 2-0 | +181501 |
| 5modern | 744 | McClenathan, Sean (1769) | Lost 1-2 | -131488 |
| 6modern | 843 | Schwab, Jason (1044) | Won 2-1 | +101498 |
| 7modern | 632 | Modzel, Sage (1502) | Won 2-1 | +181516 |
| 8modern | 426 | Wilt, Carl (1442) | Lost 0-2 | -191497 |
| 9modern | 411 | Guthrie, Ian (1481) | Draw 1-1 | 01497 |
| average opponent: 1473record: 4-4-1 | new rating: 1497 | |||