Sivacek, Peter
Current rating: 1527
Record: 5-4
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 247 | Krastev, Vladimir (1500) | Won 2-1 | +181518 |
| 2sealed | 143 | Liptak, Gabor (1514) | Won 2-0 | +181536 |
| 3sealed | 110 | Fischer, Stefan (1619) | Lost 0-2 | -171519 |
| 4sealed | 235 | Langer, Tomas (1542) | Won 2-1 | +191538 |
| 5sealed | 77 | Blech, Reinhard (1818) | Won 2-1 | +231561 |
| 6sealed | 95 | Havlik, Michal (1580) | Lost 1-2 | -181543 |
| 7sealed | 90 | Stranak, Rasto (1585) | Lost 0-2 | -171526 |
| 8sealed | 154 | Hron, Mike (1607) | Lost 0-2 | -171509 |
| 9sealed | 167 | Rizhikov, Pavel (1474) | Won 2-0 | +181527 |
| average opponent: 1582record: 5-4 | new rating: 1527 | |||