Correct answer: h31. h3! [2. R:h6#] 1. ... c:d6 2. e:d6# 1. ... c:b6 2. e6# 1. ... c6 2. Ng3# 1. ... c5, R:d1/f2/g1 2. R:h6# 1. ... Be2/:d1 2. R:h6, Ng3# 1. ... Bg4 2. R:h6,