Chess Puzzle #QJJ4V — Advanced, Black to move, middlegame

Position

White: king g1; queen d1; rooks a1/h1; bishops c1/f1; knights a4/e2; pawns a2/b2/c4/d2/g2/h2. Black: king e8; queen d8; rooks a8/h8; bishop b7; knights b8/g4; pawns a7/e3/f7/g7/h7. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nc5 — knight a4→c5. Now Black to move.
2. Best move: Qf6 — queen d8→f6. Opponent replies Nf4 (knight e2→f4).
3. Best move: Qxf4 — queen f6→f4, captures knight. Opponent replies Qf3 (queen d1→f3).
4. Best move: Bxf3 — bishop b7→f3, captures queen.

Tactical themes

crushing, long, opening. The key move is Qf6.

Position data

FEN: rn1qk2r/pb3ppp/8/8/N1P3n1/4p3/PP1PN1PP/R1BQ1BKR w kq - 2 11

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