لغز 23064:
لغز 23064:
GM A. Rychagov (2534) - GM V. Zvjaginsev (2643)
71st Moscow Blitz Moscow RUS, 2017.09.03 Rychagov - Zvjaginsev, Moscow 2017
71st Moscow Blitz Moscow RUS, 2017.09.03 Rychagov - Zvjaginsev, Moscow 2017
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