Advanced Puzzles
Step 4 - Advanced Puzzles
Each hard puzzle should be set up on a board. Be prepared to spend some time solving it.
Try to solve it without moving the pieces. If you haven't solved it after 5 minutes you can move the pieces to analyse.
No clues on this step of the stairs!
White to move
White has been working steadily towards putting pressure on the c7 pawn and could, for instance, proceed to double rooks on the c-file. But now a different opportunity presents itself.