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

Position

White: king d5; pawns a4/c6. Black: king e7; pawns a5/b7. Material is balanced. White to move.

Solution (6 moves)

1. Opponent setup: b6 — pawn b7→b6. Now White to move.
2. Best move: Ke5 — king d5→e5. Opponent replies b5 (pawn b6→b5).
3. Best move: axb5 — pawn a4→b5, captures pawn. Opponent replies a4 (pawn a5→a4).
4. Best move: Kd4 — king e5→d4. Opponent replies a3 (pawn a4→a3).
5. Best move: Kc3 — king d4→c3. Opponent replies a2 (pawn a3→a2).
6. Best move: Kb2 — king c3→b2. Opponent replies a1=Q+ (pawn a2→a1, promotes to queen, gives check).
7. Best move: Kxa1 — king b2→a1, captures queen.

Tactical themes

crushing, endgame, pawn endgame, very long. The key move is Ke5.

Position data

FEN: 8/1p2k3/2P5/p2K4/P7/8/8/8 b - - 0 51

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