Chess tactic

Endgame Puzzle (1390)

After the setup move b4, it is White to move. Find the forcing continuation before checking the solution.

Position after b4. White to move.

Puzzle ID

0AhhO

Rating

1390

Side to move

White

Themes

Endgame, Mate, Mate in 3

Material

Black is ahead by 2 points

FEN

5rk1/5ppp/1q6/8/1p6/4RQ2/2r3PP/5R1K w - - 0 25

What to look for

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

25. Qxf7+ 25... Rxf7 26. Re8+ 26... Rf8 27. Rfxf8#

The full forcing line from the source position is:

24... b4 25. Qxf7+ 25... Rxf7 26. Re8+ 26... Rf8 27. Rfxf8#