Chess Puzzle #5Kubz — Expert, White to move, endgame

Position

White: king c7; bishop c5; pawn a5. Black: king f7; knight e7; pawns f3/g6/h6. Black is ahead by 2 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Ke6 — king f7→e6. Now White to move.
2. Best move: a6 — pawn a5→a6. Opponent replies Kd5 (king e6→d5).
3. Best move: a7 — pawn a6→a7. Opponent replies Kxc5 (king d5→c5, captures bishop).
4. Best move: a8=Q — pawn a7→a8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, long, promotion. The key move is a6.

Position data

FEN: 8/2K1nk2/6pp/P1B5/8/5p2/8/8 b - - 3 51

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