Lamm, Johannes
Current rating: 1439
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 214 | Koning, Jurre (1538) | Won 2-1 | +191489 |
| 2sealed | 134 | Timmer, Frederic (1646) | Lost 0-2 | -151474 |
| 3sealed | 218 | Wildner, Eric (1501) | Lost 1-2 | -181456 |
| 4sealed | 289 | Feller, Alexander (1482) | Lost 1-2 | -171439 |
| top | average opponent: 1542record: 1-3 | new rating: 1439 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 116 | Dumontier, Sebastien (1534) | Draw 1-1 | +11484 |
| 3standard | 124 | Zakharov, Roman (1625) | Lost 0-2 | -151469 |
| 4standard | 258 | Gillissen, Ben (1506) | Won 2-1 | +181487 |
| 5standard | 186 | Vandini, Bruno (1505) | Lost 0-2 | -171470 |
| top | average opponent: 1542record: 1-2-1 | new rating: 1470 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 184 | Satke, David (1503) | Lost 0-2 | -181482 |
| 2sealed | 193 | Lenz, Fabian (1486) | Won 2-0 | +181500 |
| 3sealed | 139 | Steinecke, Michael (1553) | Lost 1-2 | -171483 |
| top | average opponent: 1514record: 1-2 | new rating: 1483 | ||