Chess Puzzle #5DfKL — Advanced, Black to move, endgame

Position

White: king c6; pawns a2/b3. Black: king b4; pawns a5/b5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: a3+ — pawn a2→a3, gives check. Now Black to move.
2. Best move: Kxb3 — king b4→b3, captures pawn. Opponent replies Kxb5 (king c6→b5, captures pawn).
3. Best move: a4 — pawn a5→a4. Opponent replies Kc5 (king b5→c5).
4. Best move: Kxa3 — king b3→a3, captures pawn. Opponent replies Kc4 (king c5→c4).
5. Best move: Kb2 — king a3→b2.

Tactical themes

crushing, endgame, pawn endgame, quiet move, very long. The key move Kxb3 wins material.

Position data

FEN: 8/8/2K5/pp6/1k6/1P6/P7/8 w - - 0 62

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