Correct answer: Bb11. Bb1! [2. Qd3#] 1. ... f:g6 2. Qf3# 1. ... f:e6+ 2. R:e6# 1. ... f6, Rg4, h:g3 2. Qd3# 1. ... f5, R:g6/:g3 2. Nc4# 1. ... Rf5 2. Bf4# 1. ... R<