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

Position

White: king c5; bishop e4; pawn a6. Black: king g8; rook b3; pawns d4/e5/h4. Black is ahead by 4 points of material. White to move.

Solution (4 moves)

1. Opponent setup: d3 — pawn d4→d3. Now White to move.
2. Best move: Bd5+ — bishop e4→d5, gives check. Opponent replies Kg7 (king g8→g7).
3. Best move: Bxb3 — bishop d5→b3, captures rook. Opponent replies e4 (pawn e5→e4).
4. Best move: a7 — pawn a6→a7. Opponent replies e3 (pawn e4→e3).
5. Best move: a8=Q — pawn a7→a8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, fork, promotion, very long. The key move is Bd5+.

Position data

FEN: 6k1/8/P7/2K1p3/3pB2p/1r6/8/8 b - - 3 50

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