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

Position

White: king b3; pawns b4/f3/g2/h3. Black: king b5; pawns a6/f4/g5/h4. Material is balanced. White to move.

Solution (5 moves)

1. Opponent setup: Kb6 — king b5→b6. Now White to move.
2. Best move: Ka4 — king b3→a4. Opponent replies Kc6 (king b6→c6).
3. Best move: Ka5 — king a4→a5. Opponent replies Kb7 (king c6→b7).
4. Best move: b5 — pawn b4→b5. Opponent replies axb5 (pawn a6→b5, captures pawn).
5. Best move: Kxb5 — king a5→b5, captures pawn. Opponent replies Kc7 (king b7→c7).
6. Best move: Kc5 — king b5→c5.

Tactical themes

crushing, defensive move, endgame, pawn endgame, very long, zugzwang. The key move is Ka4.

Position data

FEN: 8/8/p7/1k4p1/1P3p1p/1K3P1P/6P1/8 b - - 9 51

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