Solution
41… g4+ 42. fxg4 ♜a3+ 43. g3 ♜xg3#
The position
This intermediate puzzle (rating 1668) asks Black to move to find the winning idea. It features these themes: Mate in 3.
It is Black to move. Look for the tactic hiding in the position — Mate in 3. Drag a piece on the board to play your move; the puzzle will tell you if you found the best continuation.
Take 50,000 puzzles anywhere
Get Chess Puzzles Trainer for iPhone and iPad — the same puzzles, offline, with progress tracking and spaced repetition.