Chess Puzzle #A6r7O — Expert, White to move, endgame

Position

White: king a2; pawns a3/f4/g3. Black: king a5; pawns b5/f5/f6/h5. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: b4 — pawn b5→b4. Now White to move.
2. Best move: Kb3 — king a2→b3. Opponent replies bxa3 (pawn b4→a3, captures pawn).
3. Best move: Kxa3 — king b3→a3, captures pawn. Opponent replies Kb5 (king a5→b5).
4. Best move: Kb3 — king a3→b3. Opponent replies Kc5 (king b5→c5).
5. Best move: Kc3 — king b3→c3.

Tactical themes

defensive move, endgame, equality, pawn endgame, very long, zugzwang. The key move is Kb3.

Position data

FEN: 8/8/5p2/kp3p1p/5P2/P5P1/K7/8 b - - 3 49

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