Jonsson, Robert
Current rating: 1548
| Grand Prix London 2019 (WAR sealed) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| C1sealed | 194 | Giss, Julien (1634) | Lost 0-2 | -171567 |
| C2sealed | 385 | Cook, Jude (1506) | Lost 0-2 | -191548 |
| top | average opponent: 1570record: 0-2 | new rating: 1548 | ||
| Grand Prix Gothenburg 2001 (PLS limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Lindqvist, Benjamin (1500) | Won 2-0 | +181552 |
| 2sealed | 18 | Bergsten, Jonas (1518) | Won 2-0 | +171569 |
| 3sealed | 66 | Ivanov, Sergei (1556) | Lost 0-2 | -181551 |
| 4sealed | 82 | Brunmar, Glenn (1518) | Lost 0-2 | -191532 |
| 5sealed | 134 | Laier, Peter (1602) | Won 2-1 | +201552 |
| 6sealed | 74 | Stockdale, Leif (1474) | Won 2-0 | +161568 |
| 7sealed | 68 | Lunau, Anton (1469) | Won 2-0 | +161584 |
| top | average opponent: 1520record: 5-2 | new rating: 1584 | ||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Mazanec, Roman (1503) | Lost 0-2 | -181482 |
| 2sealed | 171 | Skoda, Jan (1482) | Won 2-0 | +181500 |
| 3sealed | 127 | Lichniak, Marcin (1390) | Lost 1-2 | -201480 |
| 4sealed | 216 | Prochazka, Tomas 2 (1482) | Won 2-0 | +181498 |
| 5sealed | 133 | Reznikov, Dmitry (1501) | Lost 0-2 | -181480 |
| 6sealed | 174 | Kritochuil, Ivo (1482) | Won 2-0 | +181498 |
| 7sealed | 130 | Janecek, Michal (1502) | Won 2-0 | +181516 |
| 8sealed | 90 | Samosvatov, Nick (1520) | Won 2-0 | +181534 |
| top | average opponent: 1483record: 5-3 | new rating: 1534 | ||