Robinson, Siobhan
Current rating: 1395
Record: 2-8
| Grand Prix London 2015 (ORI standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 6 | Keable, Matthew (1500) | Lost 0-2 | -171428 |
| 2standard | 354 | Almeida, Keith (1481) | Lost 1-2 | -171411 |
| 3standard | 518 | Djordjevitch, Andrej J (1463) | Won 2-0 | +181429 |
| 4standard | 391 | Springall, Marc D (1482) | Lost 0-2 | -171412 |
| 5standard | 472 | Mcintosh, Thomas (1462) | Lost 0-2 | -171395 |
| average opponent: 1477record: 1-4 | new rating: 1395 | |||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Halfon, Daniel (1448) | Lost 1-2 | -191481 |
| 2sealed | 507 | Muller, Sven (1475) | Lost 1-2 | -181463 |
| 3sealed | 676 | Pesch, Jasper (1438) | Lost 1-2 | -191444 |
| 4sealed | 632 | Popa, Tudor (1445) | Lost 1-2 | -171427 |
| 5sealed | 543 | Van Den Berg, Kevin (1427) | Won 2-0 | +181445 |
| average opponent: 1447record: 1-4 | new rating: 1445 | |||