Duisburg Grossenbaum op
Duisburg 2004
| Date | Players | Type | Elo Average | Games | Rounds |
| May 28, 2004 | 120 | Swiss | 1865 | 412 | 7 |
Duisburg Grossenbaum op Games
| White | Black | Result | Round | Date | Opening | View |
| Stelter, W | Czybik, N | 0-1  |
7 | May 31, 2004 | D88 Gruenfeld, Spassky variation, main line, 10...cd, 11.cd |   |
| Steves, D | Mussgnug, O | 1-0 |
7 | May 31, 2004 | B00 King's pawn opening |   |
| Stolzenberg, P | Just, M | 0-1 |
7 | May 31, 2004 | D02 Queen's pawn game | |
| Strater, H | Glenzer, A | 1-0 |
7 | May 31, 2004 | B03 Alekhine's defence | |
| Tendick, F | Wilde, P | 0-1 |
7 | May 31, 2004 | C15 French, Winawer (Nimzovich) variation | |
| Thomas, I | Zaragatski, I | 0-1 |
7 | May 31, 2004 | D07 Queen's Gambit Declined, Chigorin defence | |
| Van der Pas, S | Schlomberg, C | 1-0 |
7 | May 31, 2004 | A26 English, closed system | |
| Vandenbergen, N | Ayad, A | 1-0 |
7 | May 31, 2004 | D87 Gruenfeld, exchange, Spassky variation | |
| Wehr, J | Torkaman Abdari, A | ½-½ |
7 | May 31, 2004 | E01 Catalan, closed | |
| Wolter, K | Lingnau, C | 0-1 |
7 | May 31, 2004 | C50 King's pawn game | |
| Wuestehube, A | Grunwald, G | 1-0 |
7 | May 31, 2004 | D03 Torre attack (Tartakower variation) | |
| Zielinski, W | Strauss, D | ½-½ |
7 | May 31, 2004 | E94 King's Indian, orthodox variation | |