Mate Puzzle (1105)

After the setup move gxf3, it is Black to move. Find the forcing continuation before checking the solution.

Position after gxf3. Black to move.

Puzzle ID

0RcSk

Rating

1105

Side to move

Black

Themes

Mate, Mate in 2, Middlegame

Material

White is ahead by 1 point

FEN

3r2k1/2R3pp/3r1p2/3p3q/3Q2n1/1P2PP2/PB3P2/2R3K1 b - - 0 29

What to look for

Calculate a forcing checkmate sequence.

29... Qh2+ 30. Kf1 30... Qxf2#

The full forcing line from the source position is:

29. gxf3 29... Qh2+ 30. Kf1 30... Qxf2#