Solution: 1. Sg4-e5! threat 2. Sh3-f4 [A] , Bb1-e4 [B] #
1. ... Bb8-d6 [d] , Rd8-d6, Re7xe5, Sh4xf3, Bh1xf3 2. Sh3-f4 [A] #
1. ... Bb8xe5 [e] , Rd8-f8, Re7-f7, g7-g5 [c] , Sh4-g6/g2 2. Bb1-e4 [B] #
White sacrifice and mutual black interferences.
