Gummerson, Jack
Current rating: 1480
Record: 2-3
| Grand Prix Melbourne 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 198 | Petelczyc, Mikey (1463) | Won 2-1 | +171517 |
| 2modern | 8 | Manly, Luke (1500) | Won 2-0 | +181535 |
| 3modern | 93 | Rahman, Hafiz (1500) | Lost 0-2 | -191516 |
| 4modern | 170 | Hallam-Walsh, Gideon (1537) | Lost 1-2 | -171499 |
| 5modern | 402 | Driscoll, Harry (1470) | Lost 0-2 | -191480 |
| average opponent: 1494record: 2-3 | new rating: 1480 | |||