Chess tactic

Endgame Puzzle (809)

After the setup move Kf4, it is Black to move. Find the forcing continuation before checking the solution.

Position after Kf4. Black to move.

Puzzle ID

0ZzPT

Rating

809

Side to move

Black

Themes

Endgame, Mate, Mate in 1

Material

Material is level

FEN

7r/pp2nkp1/2p5/4Pp1r/3P1K1p/P4N2/1P3P1P/3RR3 b - - 1 29

What to look for

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

29... Nd5#

The full forcing line from the source position is:

29. Kf4 29... Nd5#