Correct answer: Bd61. Bd6! [2. Qb2, Qf2, Rh3#] 1. ... c:d6, e:d6/e5 2. Qf2# 1. ... c:b6 2. Rc2# 1. ... c6, Ne4/f3/h3 2. R(:)h3# 1. ... c5 2. Qb2#