Chess tactic

Crushing Puzzle (1642)

After the setup move Kd8, it is White to move. Find the forcing continuation before checking the solution.

Position after Kd8. White to move.

Puzzle ID

02lbK

Rating

1642

Side to move

White

Themes

Crushing, Endgame, Fork

Material

Black is ahead by 2 points

FEN

3k4/5p2/Q1p1p1p1/2P5/1r6/1P2q3/K1R5/8 w - - 1 42

What to look for

Find a move that decisively changes the evaluation, usually by force.

42. Qa5+ 42... Ke7 43. Qxb4

The full forcing line from the source position is:

41... Kd8 42. Qa5+ 42... Ke7 43. Qxb4