Israel, Sonja
Current rating: 1411
Record: 1-6
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 246 | Marzano, Pierre (1500) | Won 2-1 | +201428 |
| 2sealed | 149 | Gerstmayer, Thorsten (1509) | Lost 0-2 | -171411 |
| average opponent: 1505record: 1-1 | new rating: 1411 | |||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Mueller, Philipp (1457) | Lost 0-2 | -191481 |
| 2sealed | 217 | Schmidt, Heiko (1425) | Lost 0-2 | -191462 |
| 3sealed | 234 | Wegener, Timo (1464) | Lost 0-2 | -181444 |
| 4sealed | 237 | Vukovic, Peter (1446) | Lost 0-2 | -181426 |
| 5sealed | 222 | Neidler, David (1427) | Lost 0-2 | -181408 |
| average opponent: 1444record: 0-5 | new rating: 1408 | |||