Chess tactic

Endgame Puzzle (651)

After the setup move Kh3, it is Black to move. Find the forcing continuation before checking the solution.

Position after Kh3. Black to move.

Puzzle ID

0Sr4r

Rating

651

Side to move

Black

Themes

Endgame, Mate, Mate in 1

Material

Material is level

FEN

4R3/pp3pk1/3b2p1/3p4/3P2P1/5Q1K/1P1q4/8 b - - 9 45

What to look for

A tactic from a reduced-material position where king activity and promotion threats matter.

45... Qh2#

The full forcing line from the source position is:

45. Kh3 45... Qh2#