Groffen, Jeremy
Current rating: 1462
Record: 3-5
| Grand Prix Melbourne 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 252 | Copus, Lee (1496) | Lost 0-2 | -181482 |
| 2sealed | 292 | Elphinstone, Paul (1482) | Won 2-1 | +181500 |
| 3sealed | 240 | Worboys, Darren (1499) | Lost 0-2 | -181482 |
| 4sealed | 334 | Lo, Alan (1482) | Lost 0-2 | -181464 |
| 5sealed | 310 | Boyd, Logan (1464) | Lost 0-2 | -181446 |
| 6sealed | 267 | Groves, Shaun (1383) | Won 2-1 | +171463 |
| 7sealed | 207 | Torrington, Siimon (1463) | Won 2-1 | +181481 |
| 8sealed | 152 | Hamilton, Michael [AUS] (1434) | Lost 0-2 | -191462 |
| average opponent: 1463record: 3-5 | new rating: 1462 | |||