Chess tactic

Endgame Puzzle (1277)

After the setup move Kh7, it is White to move. Find the forcing continuation before checking the solution.

Position after Kh7. White to move.

Puzzle ID

0oVwb

Rating

1277

Side to move

White

Themes

Endgame, Mate, Mate in 3

Material

Black is ahead by 9 points

FEN

1Q6/3qNppk/6p1/8/3P4/1p2P1PP/1P3PK1/r2q4 w - - 4 46

What to look for

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

46. Qg8+ 46... Kh6 47. Qh8+ 47... Kg5 48. Qh4#

The full forcing line from the source position is:

45... Kh7 46. Qg8+ 46... Kh6 47. Qh8+ 47... Kg5 48. Qh4#