Mate Puzzle (591)

After the setup move Bxa8, it is Black to move. Find the forcing continuation before checking the solution.

Position after Bxa8. Black to move.

Puzzle ID

0UeBy

Rating

591

Side to move

Black

Themes

Mate, Mate in 2, Middlegame

Material

White is ahead by 4 points

FEN

B2q1rk1/p3pp1p/4b1p1/4Q3/8/8/PPP2PPP/R1B3K1 b - - 0 16

What to look for

Calculate a forcing checkmate sequence.

16... Qd1+ 17. Qe1 17... Qxe1#

The full forcing line from the source position is:

16. Bxa8 16... Qd1+ 17. Qe1 17... Qxe1#