Mate Puzzle (1946)

After the setup move Bb7, it is White to move. Find the forcing continuation before checking the solution.

Position after Bb7. White to move.

Puzzle ID

0ZHHt

Rating

1946

Side to move

White

Themes

Mate, Mate in 4, Middlegame

Material

Black is ahead by 1 point

FEN

5r1k/pb3pp1/1pq1p2p/4P3/3rNQ2/7R/PP4PP/4R1K1 w - - 2 27

What to look for

Calculate a forcing checkmate sequence.

27. Rxh6+ 27... Kg8 28. Nf6+ 28... gxf6 29. Qg3+ 29... Rg4 30. Qxg4#

The full forcing line from the source position is:

26... Bb7 27. Rxh6+ 27... Kg8 28. Nf6+ 28... gxf6 29. Qg3+ 29... Rg4 30. Qxg4#