Chess Puzzle #IEprg — Intermediate, Black to move, endgame

Position

White: king f5; pawn b5. Black: king a4; pawn a7. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Ke5 — king f5→e5. Now Black to move.
2. Best move: Kxb5 — king a4→b5, captures pawn. Opponent replies Kd4 (king e5→d4).
3. Best move: Kb4 — king b5→b4. Opponent replies Kd3 (king d4→d3).
4. Best move: Kb3 — king b4→b3. Opponent replies Kd2 (king d3→d2).
5. Best move: Kb2 — king b3→b2.

Tactical themes

crushing, defensive move, endgame, pawn endgame, very long. The key move Kxb5 wins material.

Position data

FEN: 8/p7/8/1P3K2/k7/8/8/8 w - - 0 58

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