Chess game between FM Stefano Bonagura and FM Ralf Mueller in 8. Kaltern-Trophy 2025 Open A, Round 4, board 3. Result: 0-1.
Round 4 · Board 3 · Oct 19, 2025 · 0-1 · TC 90+30
D05 · Queen's Pawn Game: Colle System, Traditional Colle
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