Chess Puzzle #KmibL — Expert, White to move, endgame

Position

White: king d5; knight e5; pawns c5/d6/g4. Black: king d8; rook b5; pawns a5/b7/g6/h7. Black is ahead by 3 points of material. White to move.

Solution (4 moves)

1. Opponent setup: a4 — pawn a5→a4. Now White to move.
2. Best move: Ke6 — king d5→e6. Opponent replies Rxc5 (rook b5→c5, captures pawn).
3. Best move: Nf7+ — knight e5→f7, gives check. Opponent replies Kc8 (king d8→c8).
4. Best move: d7+ — pawn d6→d7, gives check. Opponent replies Kb8 (king c8→b8).
5. Best move: d8=Q+ — pawn d7→d8, promotes to queen, gives check.

Tactical themes

advanced pawn, crushing, deflection, endgame, exposed king, promotion, very long. The key move is Ke6.

Position data

FEN: 3k4/1p5p/3P2p1/prPKN3/6P1/8/8/8 b - - 1 51

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