Chess Puzzle #72UEE — Advanced, Black to move, middlegame

Position

White: king g1; queen a3; rooks c1/f1; bishop e2; pawns a2/b2/f4/g2/h2. Black: king g8; rooks d8/f8; bishops d5/g7; knight b6; pawns a7/b7/e4/f5. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qxa7 — queen a3→a7, captures pawn. Now Black to move.
2. Best move: Bd4+ — bishop g7→d4, gives check. Opponent replies Kh1 (king g1→h1).
3. Best move: Ra8 — rook d8→a8. Opponent replies Qxa8 (queen a7→a8, captures rook).
4. Best move: Rxa8 — rook f8→a8, captures queen.

Tactical themes

equality, long, middlegame, trapped piece. The key move is Bd4+.

Position data

FEN: 3r1rk1/pp4b1/1n6/3b1p2/4pP2/Q7/PP2B1PP/2R2RK1 w - - 0 23

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