Kartschewski, Jan
Current rating: 1540
Record: 5-3
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 705 | Schwalbe, Jan (1462) | Lost 0-2 | -191481 |
| 2sealed | 862 | Kempf, Bastian (1512) | Won 2-0 | +191500 |
| 3sealed | 744 | Rasmussen, Tierry (1472) | Won 2-0 | +171517 |
| 4sealed | 755 | Poncot, David (1466) | Won 2-0 | +171534 |
| 5sealed | 581 | Matull, Milan (1543) | Won 2-1 | +191553 |
| 6sealed | 536 | Sommerlade, Jan Philip (1740) | Won 2-0 | +211574 |
| 7sealed | 549 | Maier, Jordan (1612) | Lost 0-2 | -171557 |
| 8sealed | 583 | Dalgaard, Dennis (1636) | Lost 0-2 | -171540 |
| average opponent: 1555record: 5-3 | new rating: 1540 | |||