White to play Mate in 1... This problem has no written answer so don't try moving the pieces. Type your answer below
Impossible Chess Problem Trick
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you know this
come on...
It's actually one of the oldest joke puzzles around...
This can only have to do with the old wording of the promotion rule which didn't cut out the possibility of promoting to a piece of the opposite colour. So b8=blackN+ would also be mate, since Black can't take his own piece. Other pieces than a N wouldn't work, as they could either take the checking R or interpose.
Edit: lol you guys were fast!
wow very good guys
Somebody showed me at the local chess club. I was like, there is no answer! :(
lol seen these things many times
Ben-Lui wrote:
This can only have to do with the old wording of the promotion rule which didn't cut out the possibility of promoting to a piece of the opposite colour. So b8=blackN+ would also be mate, since Black can't take his own piece. Other pieces than a N wouldn't work, as they could either take the checking R or interpose.
Edit: lol you guys were fast!
Best Answer
Nov 4, 2014
0
#12
Ben-Lui wrote:
This can only have to do with the old wording of the promotion rule which didn't cut out the possibility of promoting to a piece of the opposite colour. So b8=blackN+ would also be mate, since Black can't take his own piece. Other pieces than a N wouldn't work, as they could either take the checking R or interpose.
Wow, I learned something new today, thank you everyone! 
you are forced to mate him
So easy... b8=N(black knight)#
lol
b8=Vinci#