Karkoe, Derran
Current rating: 1484
Record: 7-8
| Grand Prix Brisbane 2017 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 75 | Chien, Philip (1500) | Won 2-1 | +181539 |
| 2modern | 65 | Parker, Kyle (1414) | Lost 0-2 | -201519 |
| 3modern | 313 | Griffiths, Megan (1320) | Won 2-0 | +141533 |
| 4modern | 276 | Martin-McEwen, Leroy (1684) | Lost 1-2 | -151518 |
| 5modern | 305 | Lim, Shaun (1677) | Lost 1-2 | -151503 |
| 6modern | 341 | Owen, Richard (1482) | Lost 0-2 | -191484 |
| average opponent: 1513record: 2-4 | new rating: 1484 | |||
| Grand Prix Melbourne 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 52 | Hiriart, Tyson (1500) | Lost 0-2 | -181482 |
| 2modern | 335 | Sherwell, Declan (1467) | Won 2-1 | +181500 |
| 3modern | 374 | Bole, Niall (1500) | Lost 1-2 | -181482 |
| 4modern | 455 | Robinson, Brodie (1480) | Lost 0-2 | -181464 |
| 5modern | 426 | Hawkins Jr, Patrick (1463) | Won 2-0 | +181482 |
| 6modern | 348 | Page, Matthew (1481) | Won 2-0 | +181500 |
| 7modern | 349 | Smitheram, Alan (1506) | Won 2-1 | +181518 |
| 8modern | 267 | Li, Maxwell (1650) | Won 2-0 | +201538 |
| 9modern | 180 | Tudman, Ben (1604) | Lost 0-2 | -171521 |
| average opponent: 1517record: 5-4 | new rating: 1521 | |||