Correct answer: Re81. Re8! [2. Nd8, Nf8, Nc7, Ng7, Nc5, Neg5, Nd4#] 1. ... d:e6 2. R:e6# 1. ... Bc5 2. N:c5# 1. ... Bd4 2. N:d4# 1. ... Bc7 2.