Chess tactic

Endgame Puzzle (1478)

After the setup move Kf8, it is White to move. Find the forcing continuation before checking the solution.

Position after Kf8. White to move.

Puzzle ID

05NVJ

Rating

1478

Side to move

White

Themes

Endgame, Mate, Mate in 1

Material

Black is ahead by 1 point

FEN

5kn1/1p3p1p/n1p3p1/p3NNQ1/P3P3/7P/1q3PPK/8 w - - 4 26

What to look for

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

26. Qd8#

The full forcing line from the source position is:

25... Kf8 26. Qd8#