Rooney, Jonathon
Current rating: 1399
Record: 3-9
| Grand Prix London 2015 (ORI standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 12 | Silcock, Ross (1471) | Lost 0-2 | -171447 |
| 3standard | 279 | Rickell, Helen (1500) | Lost 0-2 | -171430 |
| 4standard | 420 | Wilder, Harriet (1469) | Lost 1-2 | -181412 |
| 5standard | 443 | Lepisto, Martti (1463) | Won 2-1 | +191431 |
| 6standard | 335 | Kenneweg, Philip (1526) | Won 2-0 | +201451 |
| 7standard | 290 | Schormans, Daniel M (1504) | Lost 0-2 | -171434 |
| 8standard | 254 | Swales, William (1481) | Lost 1-2 | -171417 |
| 9standard | 223 | Tolvanen, Martti (1438) | Lost 1-2 | -181399 |
| average opponent: 1481record: 2-6 | new rating: 1399 | |||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 551 | Beith, Tom (1554) | Won 2-1 | +191519 |
| 2sealed | 290 | Kearney, Keith (1517) | Lost 1-2 | -181501 |
| 3sealed | 641 | Crnkic, Hamza (1490) | Lost 1-2 | -181483 |
| 4sealed | 720 | Sarkozi, Peter (1464) | Lost 0-2 | -191464 |
| average opponent: 1506record: 1-3 | new rating: 1464 | |||