Mortlock, Joseph
Current rating: 1436
| Grand Prix London 2018 (RIX limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 450 | Deleval, Abbie (1499) | Lost 1-2 | -181472 |
| 2sealed | 587 | Gaudl, Alexander (1481) | Lost 1-2 | -181454 |
| 3sealed | 906 | Koparal, Canberk (1443) | Lost 1-2 | -181436 |
| top | average opponent: 1474record: 0-3 | new rating: 1436 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 777 | Rawlings, Matthew (1500) | Lost 1-2 | -191527 |
| 2sealed | 826 | Poehlmann, Joseph (1485) | Lost 1-2 | -191508 |
| 3sealed | 1130 | Brock, Kadar (1505) | Lost 0-2 | -181490 |
| top | average opponent: 1497record: 0-3 | new rating: 1490 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 392 | Labine, Stephane (1574) | Lost 0-2 | -171483 |
| 2standard | 455 | Phillips, Max (1489) | Won 2-0 | +181501 |
| 3standard | 262 | Almeida, Keith (1498) | Won 2-1 | +181519 |
| 4standard | 337 | Rodriguez Frye, Karel (1537) | Won 2-1 | +191538 |
| 5standard | 208 | Safai, Soheil (1649) | Lost 0-2 | -161522 |
| 6standard | 254 | Gray, Jordan (1521) | Won 2-0 | +181540 |
| 7standard | 105 | Szoke, Zoltan (1839) | Won 2-0 | +231563 |
| 8standard | 74 | Mortimer, Alex (1604) | Lost 1-2 | -171546 |
| top | average opponent: 1589record: 5-3 | new rating: 1546 | ||