Chess tactic

Endgame Puzzle (1004)

After the setup move g5, it is White to move. Find the forcing continuation before checking the solution.

Position after g5. White to move.

Puzzle ID

0NINs

Rating

1004

Side to move

White

Themes

Endgame, Mate, Mate in 1

Material

Material is level

FEN

8/1pQ1bp2/r3pk1p/3p2p1/3P3N/4P1P1/Pq3PP1/5RK1 w - - 0 27

What to look for

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

27. Qe5#

The full forcing line from the source position is:

26... g5 27. Qe5#