Mathson, Joel
Current rating: 1428
Record: 2-6-1
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 222 | Augustsen, Rasmus (1500) | Won 2-0 | +181518 |
| 2sealed | 143 | Monsen, Christer (1421) | Lost 0-2 | -201498 |
| 3sealed | 283 | Ekman, Mats (1451) | Lost 1-2 | -191479 |
| 4sealed | 430 | Rostovtsev, Vyacheslav (1453) | Won 2-1 | +181497 |
| 5sealed | 276 | Ljungberg, Ludwig (1692) | Lost 0-2 | -151482 |
| 6sealed | 342 | Holm, Patrik (1456) | Lost 0-2 | -181464 |
| 7sealed | 285 | Asan, Eirik (1501) | Lost 0-2 | -171447 |
| 8sealed | 244 | Holmstrom, Viking (1410) | Draw 1-1 | -11446 |
| 9sealed | 216 | Marciniak, Grzegorz (1449) | Lost 1-2 | -181428 |
| average opponent: 1481record: 2-6-1 | new rating: 1428 | |||