Challal, Badr Eddine
Current rating: 1488
Record: 4-5
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 517 | Van Roy, Thomas (1485) | Won 2-1 | +181506 |
| 2sealed | 488 | Wusowski, Daniel (1474) | Won 2-0 | +181524 |
| 3sealed | 488 | Disconzi, Romolo (1521) | Lost 0-2 | -181506 |
| 4sealed | 553 | Van Bokhoven, Ad (1520) | Lost 0-2 | -181488 |
| average opponent: 1500record: 2-2 | new rating: 1488 | |||
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Taillon, Mathieu (1320) | Lost 1-2 | -211479 |
| 2sealed | 211 | Bollue, Eddy (1482) | Won 2-0 | +181497 |
| 3sealed | 133 | Frischmann, Ludwig (1553) | Won 1-0 | +191516 |
| 4sealed | 139 | Sanz Santos, Juan Antonio (1766) | Lost 1-2 | -141502 |
| 5sealed | 205 | Schaap, Sander (1725) | Lost 1-2 | -141488 |
| average opponent: 1569record: 2-3 | new rating: 1488 | |||