Chess Puzzle #I80kd — Advanced, Black to move, middlegame

Position

White: king d1; queen d3; rooks a1/e1; bishop c4; knight f7; pawns a2/b3/c2. Black: king c7; queen f4; rook a8; bishop c8; pawns a7/b7/d4/d5/g7/h6. White is ahead by 5 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Bxd5 — bishop c4→d5, captures pawn. Now Black to move.
2. Best move: Bg4+ — bishop c8→g4, gives check. Opponent replies Re2 (rook e1→e2).
3. Best move: Re8 — rook a8→e8. Opponent replies Qc4+ (queen d3→c4, gives check).
4. Best move: Kb8 — king c7→b8. Opponent replies Be6 (bishop d5→e6).
5. Best move: Rxe6 — rook e8→e6, captures bishop.

Tactical themes

advantage, clearance, master, middlegame, pin, very long. The key move is Bg4+.

Position data

FEN: r1b5/ppk2Np1/7p/3p4/2Bp1q2/1P1Q4/P1P5/R2KR3 w - - 0 31

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