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

Position

White: king f5; pawns a2/b3/d4/f3/g4. Black: king f7; pawns b5/b7/c6/g5/h6. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: b6 — pawn b7→b6. Now White to move.
2. Best move: b4 — pawn b3→b4. Opponent replies Ke7 (king f7→e7).
3. Best move: Kg6 — king f5→g6. Opponent replies Kd6 (king e7→d6).
4. Best move: Kxh6 — king g6→h6, captures pawn. Opponent replies Kd5 (king d6→d5).
5. Best move: Kxg5 — king h6→g5, captures pawn.

Tactical themes

crushing, endgame, pawn endgame, quiet move, very long. The key move is b4.

Position data

FEN: 8/1p3k2/2p4p/1p3Kp1/3P2P1/1P3P2/P7/8 b - - 0 46

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