Dellar, Martha
Current rating: 1360
Record: 8-18-1
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1360 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1280 | Slunecko, Ondrej (1524) | Lost 0-2 | -151345 |
| 2sealed | 1402 | Keupp, Andreas (1669) | Lost 1-2 | -131332 |
| 3sealed | 1514 | Clarijs, Bas (1463) | Draw 1-1 | +31335 |
| 4sealed | 1471 | Techmann, Torsten (1502) | Lost 0-2 | -151320 |
| 5sealed | 1425 | Muller, Anna Jasmin (1445) | Won 2-0 | +201340 |
| 6sealed | 1343 | Jastrzebowski, Piotr (1450) | Won 2-0 | +201360 |
| top | average opponent: 1509record: 2-3-1 | new rating: 1360 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1348 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 369 | Moran, Alex (1500) | Won 2-0 | +211369 |
| 2block | 127 | Schuringa, Remco (1364) | Won 2-0 | +181387 |
| 3block | 294 | Fell, Jonathan (1534) | Lost 0-2 | -161371 |
| 4block | 241 | Martill, Oliver (1485) | Lost 0-2 | -161355 |
| 5block | 489 | Coralic, Armin (1489) | Won 2-1 | +211376 |
| 6block | 278 | Dean, Jack (1480) | Lost 0-2 | -161360 |
| top | average opponent: 1475record: 3-3 | new rating: 1360 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | Johnstone, James (1500) | Lost 0-2 | -161377 |
| 2sealed | 708 | D'Innocenzo, Andrea (1654) | Lost 1-2 | -131364 |
| 3sealed | 852 | Ferguson, Thomas C (1464) | Lost 1-2 | -161348 |
| top | average opponent: 1539record: 0-3 | new rating: 1348 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Suurna, Reivo (1649) | Lost 0-2 | -151427 |
| 2sealed | 159 | Ashall, James (1484) | Lost 0-2 | -171410 |
| 3sealed | 203 | Garbett, Iain (1466) | Lost 0-2 | -171393 |
| top | average opponent: 1533record: 0-3 | new rating: 1393 | ||
| Grand Prix London 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Moate, Matthew (1516) | Lost 1-2 | -181482 |
| 2sealed | 98 | Deffely, Fergus (1357) | Lost 0-2 | -201462 |
| 3sealed | 140 | Roberts, Reece (1463) | Won 2-0 | +181480 |
| 4sealed | 126 | Lee, Yu Hin (1464) | Lost 1-2 | -181462 |
| 5sealed | 135 | Arai, Jin (1368) | Lost 1-2 | -201442 |
| 6sealed | 116 | Hudson, Ken (1445) | Won 2-1 | +181460 |
| 7sealed | 91 | Colombo, Andreas (1464) | Won 2-0 | +181478 |
| 8sealed | 67 | Aizawa, Takeshi (1462) | Lost 0-2 | -181460 |
| 9sealed | 59 | Tzeng, Yu-Ning (1448) | Lost 0-2 | -181442 |
| top | average opponent: 1443record: 3-6 | new rating: 1442 | ||