Chess Puzzle #6hq1S — Expert, White to move, endgame

Position

White: king b5; knight c5; pawns a6/b6. Black: king b8; rook g1. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: Rf1 — rook g1→f1. Now White to move.
2. Best move: Nd7+ — knight c5→d7, gives check. Opponent replies Kc8 (king b8→c8).
3. Best move: b7+ — pawn b6→b7, gives check. Opponent replies Kxd7 (king c8→d7, captures knight).
4. Best move: a7 — pawn a6→a7.

Tactical themes

advanced pawn, crushing, endgame, exposed king, long, sacrifice. The key move is Nd7+.

Position data

FEN: 1k6/8/PP6/1KN5/8/8/8/6r1 b - - 0 69

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