Chess Puzzle #14jlV — Beginner, White to move, endgame

Position

White: king b6; pawns a4/b2/f4/h4. Black: king d1; pawns b4/f6/g6/h5. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: b3 — pawn b4→b3. Now White to move.
2. Best move: a5 — pawn a4→a5. Opponent replies Kc1 (king d1→c1).
3. Best move: a6 — pawn a5→a6. Opponent replies Kxb2 (king c1→b2, captures pawn).
4. Best move: a7 — pawn a6→a7. Opponent replies Kc1 (king b2→c1).
5. Best move: a8=Q — pawn a7→a8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, quiet move, very long. The key move is a5.

Position data

FEN: 8/8/1K3pp1/7p/Pp3P1P/8/1P6/3k4 b - a3 0 44

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