Udo Heiderich
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Recklinghausen op | ??/??/1995 | 374 |  Germany |
Udo Heiderich Repertoire with White pieces (most played)
| ECO | Opening | Games |
| C47 | Four knights, Scotch variation | 1 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 1 games |
Udo Heiderich Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| D02 | Queen's pawn game | 1 games |
| B33 | Sicilian defence | 1 games |
| A17 | English opening | 1 games |
| E44 | Nimzo-Indian, Fischer variation, 5.Ne2 | 1 games |
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