Solution
37… ♜xb1+ 38. ♞xb1 ♜d1+ 39. ♚f2 ♜xb1
The position
This advanced puzzle (rating 1877) asks Black to move to find the winning idea. It features these themes: Fork.
It is Black to move. Look for the tactic hiding in the position — Fork. 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.