Lahmer, Andreas
Current rating: 1554
Record: 9-6-2
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 230 | Jovic, Jerko (1446) | Lost 0-2 | -181463 |
| 2legacy | 360 | Nespor, Jaroslav (1463) | Draw 1-1 | 01463 |
| 3legacy | 320 | Admirael, Rene (1482) | Won 2-0 | +181481 |
| 4legacy | 283 | Santoro, Antonio (1498) | Lost 0-2 | -181463 |
| 5legacy | 355 | Hens, Tom (1481) | Won 2-1 | +191482 |
| 6legacy | 270 | Bouakkaz, Cary (1473) | Won 1-0 | +181500 |
| 7legacy | 198 | De Roeck, Cedric (1523) | Won 2-0 | +181518 |
| 8legacy | 140 | Rossi, Michael (1490) | Won 2-0 | +171535 |
| 9legacy | 98 | Schramm, Satyam (1553) | Won 2-0 | +191554 |
| average opponent: 1490record: 6-2-1 | new rating: 1554 | |||
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 403 | Klocke, Daniel (1500) | Lost 0-2 | -181482 |
| 2extended | 575 | Larsen, Axel (1484) | Lost 0-2 | -181464 |
| 3extended | 592 | Matthies, Mario (1492) | Lost 1-2 | -171447 |
| 4extended | 617 | Durr-frederiksen, Kenneth (1412) | Won 1-0 | +171464 |
| 5extended | 597 | Merdes, Daniel (1463) | Lost 0-2 | -181446 |
| 6extended | 580 | Prokopovic, Marek (1394) | Draw 1-1 | -11445 |
| 7extended | 561 | Emmer, Steven (1443) | Won 2-0 | +181463 |
| 8extended | 526 | Prachar, Jeff (1484) | Won 2-0 | +181481 |
| average opponent: 1459record: 3-4-1 | new rating: 1481 | |||