Chess Puzzle #YTzlF — Expert, Black to move, endgame

Position

White: king c3; bishop f7; pawn d4. Black: king d6; knight b4; pawns a2/b5. Black is ahead by 1 point of material. Black to move.

Solution (5 moves)

1. Opponent setup: Bxa2 — bishop f7→a2, captures pawn. Now Black to move.
2. Best move: Nxa2+ — knight b4→a2, captures bishop, gives check. Opponent replies Kb3 (king c3→b3).
3. Best move: Nc1+ — knight a2→c1, gives check. Opponent replies Kb4 (king b3→b4).
4. Best move: Kc6 — king d6→c6. Opponent replies d5+ (pawn d4→d5, gives check).
5. Best move: Kb6 — king c6→b6. Opponent replies d6 (pawn d5→d6).
6. Best move: Nd3+ — knight c1→d3, gives check.

Tactical themes

crushing, endgame, hanging piece, very long. The key move Nxa2+ captures with check, forcing a response.

Position data

FEN: 8/5B2/3k4/1p6/1n1P4/2K5/p7/8 w - - 0 53

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