Here's a good puzzle. Its White to play and none of Blacks ten kings are in check.

All you have to do is checkmate all ten black kings with just one move.

White to play, what is the 10 checkmates move ?

8	.	.				.		.
7
6					.
5								.
4
3
2
1
	A	B	C	D	E	F	G	H

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