Correct answer: Qg21. ... Nd3 2. Q:d3# 1. ... d:c4 2. Q:c4# 1. ... e:f4 2. Q:f4# 1. ... e4 2. Ne6# 1. Qg2! waiting 1. ... Nd3 2. Ne6# 1. ... d:c4 2. R:c4# 1.