Chess tactic

Crushing Puzzle (1716)

After the setup move Qb6, it is White to move. Find the forcing continuation before checking the solution.

Position after Qb6. White to move.

Puzzle ID

0Bq6o

Rating

1716

Side to move

White

Themes

Crushing, Endgame, Quiet Move

Material

Black is ahead by 1 point

FEN

6k1/pQ3p1p/1qp2pp1/8/1P6/5P1P/P4P2/6K1 w - - 1 27

What to look for

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

27. Qxb6 27... axb6 28. a4 28... Kf8 29. a5 29... Ke7 30. a6

The full forcing line from the source position is:

26... Qb6 27. Qxb6 27... axb6 28. a4 28... Kf8 29. a5 29... Ke7 30. a6