Biermann, Patrick
Current rating: 1561
Record: 9-6
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 836 | Balmas, Gary (1500) | Won 2-1 | +171543 |
| 2legacy | 672 | Kozak, Jonas (1629) | Won 2-1 | +201563 |
| 3legacy | 605 | Johansson, Henrik (1537) | Lost 1-2 | -191544 |
| 4legacy | 762 | Pouliquen, Camille (1546) | Won 2-0 | +181562 |
| 5legacy | 790 | Garcia Lopez, David Miguel (1586) | Won 2-0 | +191581 |
| 6legacy | 682 | van Rijn, Frank (1558) | Lost 0-2 | -191562 |
| 7legacy | 718 | Karlsson, Patrik (1517) | Won 2-1 | +171579 |
| 8legacy | 698 | Danis, Mickael (1558) | Lost 0-2 | -181561 |
| average opponent: 1554record: 5-3 | new rating: 1561 | |||
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 42 | Galusik, Marcin (1552) | Won 2-0 | +191519 |
| 2extended | 85 | Lontri, Andrea (1450) | Won 2-1 | +171536 |
| 3extended | 33 | Burgold, Lino (1599) | Lost 0-2 | -171519 |
| 4extended | 122 | Finzgar, Nejc (1540) | Won 0-0 | +181537 |
| 5extended | 78 | van Rijn, Frank (1459) | Won 2-1 | +171554 |
| 6extended | 56 | Michel, Guillaume (1652) | Lost 1-2 | -161538 |
| 7extended | 97 | Norgaard, Lasse (1880) | Lost 1-2 | -121526 |
| average opponent: 1590record: 4-3 | new rating: 1526 | |||