Chess game between Hendrik Seifert and Stephan Ziska in German Amateur Championship 25/26 | Bonn Qualifier 1751 - 1900, Round 4, board 1. Result: 1-0.
Round 4 · Board 1 · Dec 12, 2025 · 1-0
B28 · Sicilian Defense: O'Kelly Variation, Réti System
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