Chess tactic

Endgame Puzzle (1503)

After the setup move h3, it is White to move. Find the forcing continuation before checking the solution.

Position after h3. White to move.

Puzzle ID

0Y9P3

Rating

1503

Side to move

White

Themes

Endgame, Exposed King, Mate

Material

Black is ahead by 2 points

FEN

7k/4R3/3p4/5Kp1/4P3/6rp/8/8 w - - 0 43

What to look for

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

43. Kg6 43... Rf3 44. Re8+ 44... Rf8 45. Rxf8#

The full forcing line from the source position is:

42... h3 43. Kg6 43... Rf3 44. Re8+ 44... Rf8 45. Rxf8#