Daily chess puzzle: Check Mate #455

Another puzzle from Dragoslav Andric’s 1981 book “Matni Udar”.  
Black to play and mate White. 

Isakov v Pihelauri, SSSR 1978
Solution
Easy today. 
1…Qg3 and after 2 Rg3 Rh2+ and 3…Rh1 mate. 

FEN 
6k1/p5pp/6qr/3p3r/1P6/2PQ1pB1/P4P1P/3R2RK b – – 0 1