[Event "Moscú 1961"] [White "Averbach"] [Black "Spassky"] [Site "New York"] [Round ""] [Annotator "HP_USER"] [Result "0-1"] [Date "1911.??.??"] [PlyCount "3"] [Setup "1"] [FEN "8/4r1k1/4qp2/1p6/3R4/P1N2QPp/1PP2K1P/4r3 b - - 0 1"] {[#] Juegan las negras} 1... Rf1+ {Entrega de torre contundente que produce el mate} 2. Kxf1 Qe1# 0-1