Chess tactic

Endgame Puzzle (1052)

After the setup move c5, it is White to move. Find the forcing continuation before checking the solution.

Position after c5. White to move.

Puzzle ID

0L6Te

Rating

1052

Side to move

White

Themes

Endgame, Mate, Mate in 2

Material

Black is ahead by 4 points

FEN

r3r1k1/pR3ppp/3qp3/2pp4/3N4/2P2Q2/P4PPP/5K2 w - - 0 19

What to look for

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

19. Qxf7+ 19... Kh8 20. Qxg7#

The full forcing line from the source position is:

18... c5 19. Qxf7+ 19... Kh8 20. Qxg7#