Mate Puzzle (1141)

After the setup move Kb8, it is White to move. Find the forcing continuation before checking the solution.

Position after Kb8. White to move.

Puzzle ID

0GERW

Rating

1141

Side to move

White

Themes

Mate, Mate in 3, Middlegame

Material

Black is ahead by 1 point

FEN

1k2r3/Npp5/p2p1q2/6p1/8/3pB1P1/PPQK2P1/2R4r w - - 2 30

What to look for

Calculate a forcing checkmate sequence.

30. Qxc7+ 30... Ka8 31. Qc8+ 31... Rxc8 32. Rxc8#

The full forcing line from the source position is:

29... Kb8 30. Qxc7+ 30... Ka8 31. Qc8+ 31... Rxc8 32. Rxc8#