Oppgave 279178: Sort å forsvare
WFM Anastasia Dubnikova (2154) - GM P. Kostenko (2418)
Chelyabinskiy Variant GpA Chelyabinsk RUS, 2021.03.23
Chelyabinskiy Variant GpA Chelyabinsk RUS, 2021.03.23
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