Correct answer: Bg41.Rg6?? zz 1...R:h6 2.R:h6# but 1...R:g5! 1.Rh8?? zz 1...R:h6 2.R:h6# but 1...R:g5! 1.Rd3?? (2.Ng2#) but 1...R:g5! 1.B