Chess Puzzle #DiR9i — Advanced, Black to move, endgame

Position

White: king e1; bishop d5; pawns c3/d4/e4/g2. Black: king g7; bishop c2; pawns a3/d6/g5. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kd2 — king e1→d2. Now Black to move.
2. Best move: Bxe4 — bishop c2→e4, captures pawn. Opponent replies Bxe4 (bishop d5→e4, captures bishop).
3. Best move: a2 — pawn a3→a2. Opponent replies Bd5 (bishop e4→d5).
4. Best move: a1=Q — pawn a2→a1, promotes to queen.

Tactical themes

advanced pawn, bishop endgame, crushing, endgame, long, promotion, sacrifice. The key move Bxe4 wins material.

Position data

FEN: 8/6k1/3p4/3B2p1/3PP3/p1P5/2b3P1/4K3 w - - 0 36

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