Friedrich, Patrick
Current rating: 1466
Record: 2-4
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 543 | Pritsch, Max (1500) | Lost 1-2 | -181482 |
| 2sealed | 594 | Tammes, Roeland (1480) | Won 2-0 | +181500 |
| 3sealed | 532 | Steenhoek, Edwin (1502) | Won 2-1 | +181518 |
| 4sealed | 503 | Kobor, Thomas (1502) | Lost 1-2 | -181500 |
| 5sealed | 554 | David, Gaetan (1563) | Lost 1-2 | -171483 |
| 6sealed | 582 | Tourino Garcia, Abel (1552) | Lost 0-2 | -171466 |
| average opponent: 1517record: 2-4 | new rating: 1466 | |||