Cullen, John
Current rating: 1520
Record: 8-7
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 62 | Limburg, Stefan (1631) | Won 2-0 | +201558 |
| 2sealed | 172 | Morrissey, Thomas (1628) | Lost 0-2 | -171541 |
| 3sealed | 378 | Sinclair, Calum (1478) | Lost 1-2 | -191522 |
| 4sealed | 471 | Anthony, Sebastian (1444) | Won 2-1 | +171539 |
| 5sealed | 297 | Kamenov, Kamen (1512) | Won 2-0 | +171556 |
| 6sealed | 180 | Jones, Toby (1563) | Lost 1-2 | -181538 |
| 7sealed | 350 | Kemp, Richard (1503) | Lost 0-2 | -181520 |
| average opponent: 1537record: 3-4 | new rating: 1520 | |||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 608 | Cooper, Tom (1500) | Won 2-1 | +181518 |
| 2sealed | 318 | Elia, Andrew (1571) | Won 2-0 | +191537 |
| 3sealed | 49 | Eijsbouts, Ture (1517) | Won 2-0 | +181555 |
| 4sealed | 53 | Sukaitis, Tomas (1635) | Lost 0-2 | -171538 |
| 5sealed | 315 | Bojtar, Gyula (1504) | Won 2-1 | +171555 |
| 6sealed | 205 | Andersson, Toby (1626) | Lost 1-2 | -161539 |
| 7sealed | 270 | Bowman, Peter (1582) | Won 2-1 | +191558 |
| 8sealed | 151 | Hartley, James (1492) | Lost 0-2 | -201538 |
| average opponent: 1553record: 5-3 | new rating: 1538 | |||