Chess Puzzle #SdMbn — Advanced, Black to move, opening

Position

White: king e1; queen d1; rooks a1/h1; bishops d3/e3; knights b1/d4; pawns a2/b2/e5/f2/g2/h2. Black: king e8; queen b6; rooks a8/h8; bishops c5/d7; knight g8; pawns a7/b7/d5/e6/f7/g7/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qb3 — queen d1→b3. Now Black to move.
2. Best move: Bxd4 — bishop c5→d4, captures knight. Opponent replies Qxb6 (queen b3→b6, captures queen).
3. Best move: Bxb6 — bishop d4→b6, captures queen. Opponent replies Bxb6 (bishop e3→b6, captures bishop).
4. Best move: axb6 — pawn a7→b6, captures bishop.

Tactical themes

equality, long, opening. The key move Bxd4 wins material.

Position data

FEN: r3k1nr/pp1b1ppp/1q2p3/2bpP3/3N4/3BB3/PP3PPP/RN1QK2R w KQkq - 3 10

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