De Neef, Matt
Current rating: 1469
Record: 3-5
| Grand Prix Melbourne 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | O'Halloran, Tyler (1643) | Lost 1-2 | -151485 |
| 2sealed | 258 | Collins, Malcolm (1502) | Lost 1-2 | -181467 |
| 3sealed | 356 | Alexander, Connor (1463) | Won 2-1 | +181485 |
| 4sealed | 300 | Rossborough, Ethan (1482) | Won 2-0 | +181503 |
| 5sealed | 245 | Zhou, Mark (1549) | Won 2-0 | +191522 |
| 6sealed | 133 | Goodhew-Plaza, Warrick (1646) | Lost 1-2 | -161506 |
| 7sealed | 183 | George, Finlay (1501) | Lost 0-2 | -181488 |
| 8sealed | 147 | Chen, David (1454) | Lost 1-2 | -191469 |
| average opponent: 1530record: 3-5 | new rating: 1469 | |||