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

Position

White: king d4; pawns a4/b4/f4/g5/h4. Black: king e6; pawns a6/b6/d5/g6/h5. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: b5 — pawn b6→b5. Now White to move.
2. Best move: axb5 — pawn a4→b5, captures pawn. Opponent replies axb5 (pawn a6→b5, captures pawn).
3. Best move: Kc5 — king d4→c5. Opponent replies Kf5 (king e6→f5).
4. Best move: Kxd5 — king c5→d5, captures pawn. Opponent replies Kxf4 (king f5→f4, captures pawn).
5. Best move: Ke6 — king d5→e6.

Tactical themes

crushing, defensive move, endgame, pawn endgame, very long. The key move axb5 wins material.

Position data

FEN: 8/8/pp2k1p1/3p2Pp/PP1K1P1P/8/8/8 b - - 0 39

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