Fork Puzzle (1015)

After the setup move Kxh7, it is White to move. Find the forcing continuation before checking the solution.

Position after Kxh7. White to move.

Puzzle ID

0k0GC

Rating

1015

Side to move

White

Themes

Fork, Mate, Mate in 3

Material

Black is ahead by 6 points

FEN

r1bq4/pp2brnk/2pp2p1/n2P4/1P3PP1/2PQ4/P1B4P/RNB3K1 w - - 0 21

What to look for

Attack two or more targets with one move, forcing material gain or mate.

21. Qxg6+ 21... Kg8 22. Qh7+ 22... Kf8 23. Qh8#

The full forcing line from the source position is:

20... Kxh7 21. Qxg6+ 21... Kg8 22. Qh7+ 22... Kf8 23. Qh8#