Chess Puzzle #5COsR — Advanced, White to move, endgame

Position

White: king c2; bishop a5; pawn f2. Black: king e6; bishop d4; pawns b2/c5. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Kf5 — king e6→f5. Now White to move.
2. Best move: Bb6 — bishop a5→b6. Opponent replies Ke6 (king f5→e6).
3. Best move: Bxc5 — bishop b6→c5, captures pawn. Opponent replies b1=Q+ (pawn b2→b1, promotes to queen, gives check).
4. Best move: Kxb1 — king c2→b1, captures queen.

Tactical themes

bishop endgame, endgame, equality, long. The key move is Bb6.

Position data

FEN: 8/8/4k3/B1p5/3b4/8/1pK2P2/8 b - - 1 50

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