White to move
Your move
Find the best move for White.
Solution
18. ♝a7+ ♚a8 19. ♝b6+ ♚b8 20. ♛a7+ ♚c8 21. ♛xc7#
The position
This advanced puzzle (rating 1804) asks White to move to find the winning idea. It features these themes: Middlegame, Queenside Attack, Mate in 4, Discovered Attack.
It is White to move. Look for the tactic hiding in the position — Middlegame, Queenside Attack, Mate in 4, Discovered Attack. Drag a piece on the board to play your move; the puzzle will tell you if you found the best continuation.
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