von der Osten, Marian
Current rating: 1519
Record: 3-2-1
| Grand Prix Vienna 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 16 | Horvik, Rune (1553) | Won 0-0 | +191519 |
| 2extended | 4 | Koukal, Josef (1518) | Draw 0-0 | 01519 |
| 3extended | 60 | Eikefet, Kim (1546) | Lost 0-0 | -181501 |
| 4extended | 105 | Benezech, Lionel (1466) | Lost 0-0 | -181483 |
| 5extended | 124 | Paternoster, Franis (1482) | Won 0-0 | +181501 |
| 6extended | 95 | Rovenski, Bernhard (1500) | Won 0-0 | +181519 |
| average opponent: 1511record: 3-2-1 | new rating: 1519 | |||