Mate Puzzle (1424)

After the setup move c3, it is Black to move. Find the forcing continuation before checking the solution.

Position after c3. Black to move.

Puzzle ID

06geb

Rating

1424

Side to move

Black

Themes

Mate, Mate in 3, Middlegame

Material

White is ahead by 3 points

FEN

5r1k/ppp3pp/2p5/8/3qr3/1QP5/PP3PPP/R1B2RK1 b - - 0 17

What to look for

Calculate a forcing checkmate sequence.

17... Qxf2+ 18. Rxf2 18... Re1+ 19. Rf1 19... Rexf1#

The full forcing line from the source position is:

17. c3 17... Qxf2+ 18. Rxf2 18... Re1+ 19. Rf1 19... Rexf1#