Chess Puzzle #GYA9c — Expert, White to move, endgame

Position

White: king e7; pawns g6/h5/h6. Black: king h8; knight e6; pawn b4. Black is ahead by 1 point of material. White to move.

Solution (6 moves)

1. Opponent setup: b3 — pawn b4→b3. Now White to move.
2. Best move: Kxe6 — king e7→e6, captures knight. Opponent replies b2 (pawn b3→b2).
3. Best move: Kf7 — king e6→f7. Opponent replies b1=Q (pawn b2→b1, promotes to queen).
4. Best move: g7+ — pawn g6→g7, gives check. Opponent replies Kh7 (king h8→h7).
5. Best move: g8=Q+ — pawn g7→g8, promotes to queen, gives check. Opponent replies Kxh6 (king h7→h6, captures pawn).
6. Best move: Qg6+ — queen g8→g6, gives check. Opponent replies Qxg6+ (queen b1→g6, captures queen, gives check).
7. Best move: hxg6 — pawn h5→g6, captures queen.

Tactical themes

advanced pawn, crushing, endgame, exposed king, hanging piece, promotion, very long. The key move Kxe6 wins material.

Position data

FEN: 7k/4K3/4n1PP/7P/1p6/8/8/8 b - - 7 54

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