Chess tactic

Endgame Puzzle (1556)

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

07Qhl

Rating

1556

Side to move

White

Themes

Endgame, Mate, Mate in 3

Material

Black is ahead by 1 point

FEN

8/6pk/8/5KP1/R7/p3r3/8/8 w - - 1 48

What to look for

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

48. g6+ 48... Kh8 49. Ra8+ 49... Re8 50. Rxe8#

The full forcing line from the source position is:

47... Kh7 48. g6+ 48... Kh8 49. Ra8+ 49... Re8 50. Rxe8#