Holker, Jurgen
Current rating: 1430
Record: 2-6
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 19 | Krolow, Frank (1521) | Lost 0-2 | -181482 |
| 2extended | 125 | Ahrens, Jannik (1481) | Lost 1-2 | -181464 |
| 3extended | 188 | Schulmerich, Felix (1552) | Lost 0-2 | -161448 |
| 4extended | 215 | Schmidt, Julian (1466) | Won 0-0 | +181466 |
| 5extended | 198 | Scheubert, Lena (1471) | Lost 0-2 | -181448 |
| 6extended | 182 | Sablatura, Tom (1446) | Lost 0-2 | -181430 |
| 7extended | 163 | Schmalfeld, Timo (1429) | Won 2-1 | +181448 |
| 8extended | 130 | Nolting, Florian (1453) | Lost 1-2 | -181430 |
| average opponent: 1477record: 2-6 | new rating: 1430 | |||