Chess Puzzle #IHl2z — Advanced, Black to move, middlegame

Position

White: king e1; rooks a1/h1; bishops a8/c1; knight f3; pawns a2/d4/e3/f2/g2/h2. Black: king e8; rook h8; bishops c3/c8; knight b8; pawns a7/b6/c7/e6/f7/g7/h7. White is ahead by 4 points of material. Black to move.

Solution (2 moves)

1. Opponent setup: Bd2 — bishop c1→d2. Now Black to move.
2. Best move: Bxa1 — bishop c3→a1, captures rook. Opponent replies O-O (king e1→g1).
3. Best move: Bb2 — bishop a1→b2.

Tactical themes

equality, hanging piece, middlegame, short. The key move Bxa1 wins material.

Position data

FEN: Bnb1k2r/p1p2ppp/1p2p3/8/3P4/2b1PN2/P4PPP/R1B1K2R w KQk - 0 13

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