Mate Puzzle (1163)

After the setup move Na7, it is Black to move. Find the forcing continuation before checking the solution.

Position after Na7. Black to move.

Puzzle ID

0Icfn

Rating

1163

Side to move

Black

Themes

Mate, Mate in 1, Middlegame

Material

Material is level

FEN

b1r3k1/N3ppbp/2qp2p1/4n3/8/1QP1B2P/2P1BPP1/1R4K1 b - - 8 22

What to look for

Calculate a forcing checkmate sequence.

22... Qxg2#

The full forcing line from the source position is:

22. Na7 22... Qxg2#