Chess Puzzle #8lQyS — Advanced, White to move, endgame

Position

White: king e5; knight g5; pawns a4/f5/h7. Black: king g7; rook a6; pawn b7. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: Ra5+ — rook a6→a5, gives check. Now White to move.
2. Best move: Ke6 — king e5→e6. Opponent replies Ra6+ (rook a5→a6, gives check).
3. Best move: Ke7 — king e6→e7. Opponent replies b5 (pawn b7→b5).
4. Best move: axb5 — pawn a4→b5, captures pawn.

Tactical themes

crushing, defensive move, endgame, long. The key move is Ke6.

Position data

FEN: 8/1p4kP/r7/4KPN1/P7/8/8/8 b - - 0 57

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