[Event "Olympiad-04"] [Site "Prague"] [Date "1931.07.24"] [Round "17"] [White "Sultan Khan, Mir"] [Black "Bogoljubow, Efim"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/p7/3B2k1/PbN1P1P1/6K1/6R1/4rr2/8 b - - 0 58"] 58... Bc4 1/2-1/2