Chess Puzzle #QAFqq — Advanced, White to move, endgame

Position

White: king e5; knight g5; pawns d5/f6. Black: king f7; rook b5; pawns a7/b7/c6. Black is ahead by 3 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Kf8 — king f7→f8. Now White to move.
2. Best move: Ke6 — king e5→e6. Opponent replies Rxd5 (rook b5→d5, captures pawn).
3. Best move: Nh7+ — knight g5→h7, gives check. Opponent replies Kg8 (king f8→g8).
4. Best move: f7+ — pawn f6→f7, gives check. Opponent replies Kxh7 (king g8→h7, captures knight).
5. Best move: f8=Q — pawn f7→f8, promotes to queen.

Tactical themes

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

Position data

FEN: 8/pp3k2/2p2P2/1r1PK1N1/8/8/8/8 b - - 1 43

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