Lowenbruck, Claus
Current rating: 1477
Record: 6-7
| Grand Prix Heidelberg 2002 (TOR limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 159 | Engel, Sebastian (1500) | Won 2-1 | +171551 |
| 2sealed | 199 | Sezi, Murat (1517) | Lost 0-2 | -191532 |
| 3sealed | 274 | Dobner, Corinna (1499) | Lost 0-2 | -181514 |
| 4sealed | 340 | Heger, Mirko (1482) | Lost 1-2 | -191495 |
| 5sealed | 308 | Koppen, Marko (1465) | Lost 1-2 | -181477 |
| average opponent: 1493record: 1-4 | new rating: 1477 | |||
| Grand Prix Cologne 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 125 | Laenen, Guy (1460) | Lost 1-2 | -191481 |
| 2sealed | 197 | Loroff, Claudia (1469) | Won 2-0 | +181499 |
| 3sealed | 114 | Ranzau, Martin (1431) | Won 2-0 | +171516 |
| 4sealed | 95 | Kohl, Reinhold (1519) | Lost 0-2 | -181498 |
| 5sealed | 137 | Mechura, Jan (1463) | Won 2-1 | +171515 |
| 6sealed | 116 | Kamp, David (1518) | Won 2-0 | +181533 |
| 7sealed | 95 | Weidemann, Roman (1538) | Lost 1-2 | -181515 |
| 8sealed | 110 | Hohlbein, Lucas (1524) | Won 2-1 | +191534 |
| average opponent: 1490record: 5-3 | new rating: 1534 | |||