Chess tactic

Endgame Puzzle (526)

After the setup move Rb6, it is Black to move. Find the forcing continuation before checking the solution.

Position after Rb6. Black to move.

Puzzle ID

002vV

Rating

526

Side to move

Black

Themes

Endgame, Mate, Mate in 1

Material

White is ahead by 1 point

FEN

8/6k1/1R5p/5p1P/5P1K/6P1/8/r7 b - - 3 58

What to look for

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

58... Rh1#

The full forcing line from the source position is:

58. Rb6 58... Rh1#