Chess Puzzle #ZtkY0 — Expert, White to move, endgame

Position

White: king b6; pawns a3/c7. Black: king f6; bishop e6. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Ke7 — king f6→e7. Now White to move.
2. Best move: Kb7 — king b6→b7. Opponent replies Bd7 (bishop e6→d7).
3. Best move: a4 — pawn a3→a4. Opponent replies Bxa4 (bishop d7→a4, captures pawn).
4. Best move: c8=Q — pawn c7→c8, promotes to queen.

Tactical themes

advanced pawn, bishop endgame, crushing, deflection, endgame, long, promotion, quiet move. The key move is Kb7.

Position data

FEN: 8/2P5/1K2bk2/8/8/P7/8/8 b - - 2 51

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