Chess Puzzle #CEuHv — Advanced, White to move, endgame

Position

White: king e2; bishop c1; pawns a4/b4/f2. Black: king f8; rook b3; pawns a7/f7/h5. Black is ahead by 2 points of material. White to move.

Solution (5 moves)

1. Opponent setup: Rxb4 — rook b3→b4, captures pawn. Now White to move.
2. Best move: Ba3 — bishop c1→a3. Opponent replies a5 (pawn a7→a5).
3. Best move: Bxb4+ — bishop a3→b4, captures rook, gives check. Opponent replies axb4 (pawn a5→b4, captures bishop).
4. Best move: a5 — pawn a4→a5. Opponent replies Ke8 (king f8→e8).
5. Best move: a6 — pawn a5→a6. Opponent replies Kd7 (king e8→d7).
6. Best move: a7 — pawn a6→a7.

Tactical themes

advanced pawn, crushing, endgame, pin, quiet move, very long. The key move Bxb4+ captures with check, forcing a response.

Position data

FEN: 5k2/p4p2/8/7p/PP6/1r6/4KP2/2B5 b - - 0 41

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