Chess Puzzle #B6q7s — Advanced, Black to move, middlegame

Position

White: king g1; queen b3; rooks a1/e4; knight d2; pawns a2/b2/d4/f2/g2/h2. Black: king g8; queen d8; rooks a8/e8; bishop f3; pawns a7/b6/c6/d5/g7/h7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: gxf3 — pawn g2→f3, captures bishop. Now Black to move.
2. Best move: Qg5+ — queen d8→g5, gives check. Opponent replies Kf1 (king g1→f1).
3. Best move: Qxd2 — queen g5→d2, captures knight. Opponent replies Qe3 (queen b3→e3).
4. Best move: Qxe3 — queen d2→e3, captures queen.

Tactical themes

equality, fork, long, middlegame. The key move is Qg5+.

Position data

FEN: r2qr1k1/p5pp/1pp5/3p4/3PR3/1Q3b2/PP1N1PPP/R5K1 w - - 0 17

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