Daily chess puzzle: Check Mate #252
Another puzzle from Dragoslav Andric’s 1981 book “Matni Udar”.
Black to play and mate White
Bobotsov v Andric, Belgrade 1961
Solution
Easy today: 1…Rc3 destroys the threat to g7, so that on the next move Rc1+ or Qf3 happen, with carnage.
FEN
5rk1/pp3pp1/3R3p/8/P1pQR1q1/1rB3Pb/1P3P1P/6K1 b – – 0 28
allanbeardsworth 
only wins a piece, Qc3: stops both Rc1+ and Qf3 but met by Qe4: f3 Qb1+ may mate after Kf2 Qf1+ Ke3 Re8+ etc