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

Position

White: king g1; queen f4; rooks a1/f1; knight b7; pawns a2/b2/c4/d6/f2/g2/h2. Black: king f8; queen c6; rooks b8/h8; bishop g7; pawns a7/c5/f5/g6/h7. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: d7 — pawn d6→d7. Now Black to move.
2. Best move: Qxb7 — queen c6→b7, captures knight. Opponent replies Qd6+ (queen f4→d6, gives check).
3. Best move: Kf7 — king f8→f7. Opponent replies Rae1 (rook a1→e1).
4. Best move: Bf6 — bishop g7→f6. Opponent replies Re6 (rook e1→e6).
5. Best move: Qxb2 — queen b7→b2, captures pawn.

Tactical themes

equality, hanging piece, middlegame, very long. The key move Qxb7 wins material.

Position data

FEN: 1r3k1r/pN4bp/2qP2p1/2p2p2/2P2Q2/8/PP3PPP/R4RK1 w - - 0 20

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