I'm not sure who the original composer is to give credit...but it might give you a headache to try and solve this one!



White to move and mate in two. The only "hint" for now is I will confirm it really is mate in TWO moves for White. I have not made an error in the setting up of the problem so don't use that as an excuse to skip solving this one!

I agree, very nice logic. I have seen such puzzles before, where you have to prove whether Black can castle in the given position or not, but not in the form of a checkmating puzzle.

If Black was able to castle, then there would be one solution: Swapping the positions of king and queen!

Is this philosophy or chess?

Found the solution, and enjoyed it (only got a headache after reading all the above comments!)