Chess Puzzle #K7SFa — Advanced, Black to move, endgame

Position

White: king c3; bishop b4; pawns a3/c5. Black: king e4; knight d4; pawns a4/f4. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Kd2 — king c3→d2. Now Black to move.
2. Best move: f3 — pawn f4→f3. Opponent replies Ke1 (king d2→e1).
3. Best move: Nc2+ — knight d4→c2, gives check. Opponent replies Kf2 (king e1→f2).
4. Best move: Nxb4 — knight c2→b4, captures bishop.

Tactical themes

crushing, endgame, exposed king, long. The key move is f3.

Position data

FEN: 8/8/8/2P5/pB1nkp2/P1K5/8/8 w - - 0 50

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