Rumack, Aj
Current rating: 1354
Record: 5-13
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 93 | Chapman, Nick (1467) | Lost 1-2 | -171423 |
| 2standard | 437 | Davey, Clinton (1426) | Lost 0-2 | -181405 |
| 3standard | 766 | McIntosh, Stephen (1500) | Won 2-0 | +201425 |
| 4standard | 713 | Camilleri, Daniel (1425) | Lost 1-2 | -181407 |
| 5standard | 678 | Armstrong, Sean (1507) | Lost 0-2 | -161391 |
| 6standard | 699 | Straw, Amanda (1380) | Lost 0-2 | -191372 |
| 7standard | 615 | Wijntjes, George (1226) | Won 2-1 | +161388 |
| 8standard | 522 | Harendarz, Michal (1446) | Lost 0-2 | -171371 |
| 9standard | 454 | Ellis, Malcolm (1425) | Lost 0-2 | -171354 |
| average opponent: 1422record: 2-7 | new rating: 1354 | |||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 734 | York, Melanie (1500) | Lost 0-2 | -181482 |
| 2standard | 952 | Cox, Alex J (1482) | Lost 0-2 | -181464 |
| 3standard | 1056 | Da Costa, Marc (1384) | Won 2-0 | +171481 |
| 4standard | 1057 | Rodriguez Saiz, Javier (1467) | Lost 1-2 | -191462 |
| 5standard | 1002 | Miles, Ivan (1464) | Lost 0-2 | -181444 |
| 6standard | 955 | Beller, Dennis (1328) | Lost 0-2 | -201424 |
| 7standard | 700 | Aronsohn, Aaron (1410) | Won 2-0 | +181442 |
| 8standard | 642 | Cops, Bram (1389) | Lost 1-2 | -191423 |
| 9standard | 455 | Rogers, Philip G (1393) | Won 2-1 | +171440 |
| average opponent: 1424record: 3-6 | new rating: 1440 | |||