Jakubowski, Marek
Current rating: 1502
Record: 3-3
| Grand Prix Vienna 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 78 | Leu, Roger (1540) | Won 0-0 | +191519 |
| 2extended | 58 | Morena, Alberto (1518) | Lost 0-0 | -181501 |
| 3extended | 82 | Juhnke, Ingmar (1500) | Won 0-0 | +181519 |
| 4extended | 51 | Mowshowitz, Zvi (1634) | Lost 0-0 | -161503 |
| 5extended | 88 | Zoubal, Frantisek (1483) | Won 0-0 | +171520 |
| 6extended | 87 | Opfolter, Rainer (1518) | Lost 0-0 | -181502 |
| average opponent: 1532record: 3-3 | new rating: 1502 | |||