Chess tactic

Endgame Puzzle (1006)

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

0dZez

Rating

1006

Side to move

White

Themes

Endgame, Mate, Mate in 1

Material

Black is ahead by 1 point

FEN

1r3k2/R5R1/6p1/KBb4p/2P3r1/8/8/8 w - - 4 45

What to look for

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

45. Raf7#

The full forcing line from the source position is:

44... Kf8 45. Raf7#