Lorenz, Michael
Current rating: 1453
Record: 2-5
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 42 | Karabin, Marcel (1528) | Won 2-1 | +191464 |
| 2sealed | 84 | Prikazsky, Dusan (1630) | Won 2-0 | +211485 |
| 3sealed | 45 | Jankowski, Ryszard (1571) | Lost 0-2 | -161469 |
| 4sealed | 109 | Trossbach, Martin (1611) | Lost 1-2 | -161453 |
| average opponent: 1585record: 2-2 | new rating: 1453 | |||
| Grand Prix Vienna 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 52 | Siska, Ivan (1500) | Lost 0-2 | -181482 |
| 2extended | 237 | Nagy, Ferenc (1492) | Lost 1-2 | -181464 |
| 3extended | 231 | Beuzelin, Guillaume (1382) | Lost 0-2 | -191445 |
| average opponent: 1458record: 0-3 | new rating: 1445 | |||