Solution
21. ♞f4 ♛f5 22. g4 ♝b6 23. gxf5 ♝xe3 24. fxe3 ♞xc3 25. bxc3
The position
This advanced puzzle (rating 1867) asks White to move to find the winning idea. It features these themes: Middlegame.
It is White to move. Look for the tactic hiding in the position — Middlegame. 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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