Chess Puzzle #iYsH0 — Expert, Black to move, middlegame

Position

White: king d2; queen d6; rooks a1/g1; bishop a2; pawns b2/c3/e4/g2/h3. Black: king a7; queen b5; rooks a8/f8; bishop a6; knight d5; pawns d7/f7. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Qxd5 — queen d6→d5, captures knight. Now Black to move.
2. Best move: Qxb2+ — queen b5→b2, captures pawn, gives check. Opponent replies Kd1 (king d2→d1).
3. Best move: Qxa1+ — queen b2→a1, captures rook, gives check. Opponent replies Kc2 (king d1→c2).
4. Best move: Qxg1 — queen a1→g1, captures rook. Opponent replies Qxd7+ (queen d5→d7, captures pawn, gives check).
5. Best move: Bb7 — bishop a6→b7.

Tactical themes

crushing, interference, middlegame, skewer, very long. The key move Qxb2+ captures with check, forcing a response.

Position data

FEN: r4r2/k2p1p2/b2Q4/1q1n4/4P3/2P4P/BP1K2P1/R5R1 w - - 5 27

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