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

Position

White: king g1; queen f3; rooks a1/f1; bishops c1/d3; pawns a2/b2/c2/e5/g2/h3. Black: king e8; queen e7; rooks a8/h8; bishop c8; knight b8; pawns a7/b7/d5/e6/f7/g5. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Bxg5 — bishop c1→g5, captures pawn. Now Black to move.
2. Best move: Qxg5 — queen e7→g5, captures bishop. Opponent replies Qxf7+ (queen f3→f7, captures pawn, gives check).
3. Best move: Kd8 — king e8→d8. Opponent replies Qf6+ (queen f7→f6, gives check).
4. Best move: Qxf6 — queen g5→f6, captures queen.

Tactical themes

equality, long, middlegame. The key move Qxg5 wins material.

Position data

FEN: rnb1k2r/pp2qp2/4p3/3pP1p1/8/3B1Q1P/PPP3P1/R1B2RK1 w kq - 0 15

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