Mertens, Sven
Current rating: 1446
Record: 2-5
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 453 | Schulz, Michaela (1500) | Won 2-0 | +181518 |
| 2extended | 483 | Manders, Fred (1548) | Lost 1-2 | -171501 |
| 3extended | 536 | Arndt, Tilmann (1495) | Lost 0-2 | -191482 |
| 4extended | 589 | Alex, Timo (1472) | Lost 1-2 | -181464 |
| 5extended | 591 | Dalmau, Jordi (1498) | Lost 0-2 | -171447 |
| 6extended | 581 | Allritz, Diana (1382) | Lost 0-2 | -191428 |
| 7extended | 566 | Bohler, Marius (1430) | Won 2-0 | +181446 |
| average opponent: 1475record: 2-5 | new rating: 1446 | |||