Chess Puzzle #5iByl — Master, White to move, endgame

Position

White: king g2; knight d8; pawns a2/b2. Black: king f5; pawns a5/c4/e5/h2. White is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: h1=Q+ — pawn h2→h1, promotes to queen, gives check. Now White to move.
2. Best move: Kxh1 — king g2→h1, captures queen. Opponent replies a4 (pawn a5→a4).
3. Best move: Nb7 — knight d8→b7. Opponent replies Ke4 (king f5→e4).
4. Best move: Nc5+ — knight b7→c5, gives check.

Tactical themes

crushing, endgame, hanging piece, long, quiet move. The key move Kxh1 wins material.

Position data

FEN: 3N4/8/8/p3pk2/2p5/8/PP4Kp/8 b - - 1 49

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