Chess Puzzle #4yfFD — Expert, Black to move, endgame

Position

White: king f1; bishop f7; pawns b3/g5. Black: king e3; knight c5; pawns a5/f3. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: g6 — pawn g5→g6. Now Black to move.
2. Best move: Ne4 — knight c5→e4. Opponent replies g7 (pawn g6→g7).
3. Best move: Nd2+ — knight e4→d2, gives check. Opponent replies Kg1 (king f1→g1).
4. Best move: f2+ — pawn f3→f2, gives check. Opponent replies Kh2 (king g1→h2).
5. Best move: f1=Q — pawn f2→f1, promotes to queen.

Tactical themes

advanced pawn, crushing, deflection, endgame, exposed king, promotion, quiet move, very long. The key move is Ne4.

Position data

FEN: 8/5B2/8/p1n3P1/8/1P2kp2/8/5K2 w - - 2 49

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