Mate Puzzle (1667)

After the setup move Kh1, it is Black to move. Find the forcing continuation before checking the solution.

Position after Kh1. Black to move.

Puzzle ID

0brCq

Rating

1667

Side to move

Black

Themes

Mate, Mate in 3, Middlegame

Material

White is ahead by 3 points

FEN

r3k1nr/p1pq4/2p3b1/2b5/Q1B2B1p/2P3pP/PP2N1P1/RN3R1K b kq - 2 22

What to look for

Calculate a forcing checkmate sequence.

22... Qxh3+ 23. gxh3 23... Be4+ 24. Rf3 24... Bxf3#

The full forcing line from the source position is:

22. Kh1 22... Qxh3+ 23. gxh3 23... Be4+ 24. Rf3 24... Bxf3#