Chess tactic

Crushing Puzzle (1633)

After the setup move a6, it is Black to move. Find the forcing continuation before checking the solution.

Position after a6. Black to move.

Puzzle ID

0ibXz

Rating

1633

Side to move

Black

Themes

Crushing, Endgame, Promotion

Material

White is ahead by 1 point

FEN

8/8/P1k5/8/1p5P/6K1/8/8 b - - 0 44

What to look for

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

44... b3 45. h5 45... b2 46. a7 46... Kb7 47. a8=Q+ 47... Kxa8 48. h6 48... b1=Q

The full forcing line from the source position is:

44. a6 44... b3 45. h5 45... b2 46. a7 46... Kb7 47. a8=Q+ 47... Kxa8 48. h6 48... b1=Q