Chess Puzzle #fHnQk — Expert, White to move, opening

Position

White: king g1; queen d1; rooks a1/f1; bishop c1; knights e4/f3; pawns a2/b2/c2/d4/f2/g2/h2. Black: king g8; queen d7; rooks d8/f8; bishops b7/d6; knight c6; pawns a7/b6/c7/e6/f7/g7/h6. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: Nxd4 — knight c6→d4, captures pawn. Now White to move.
2. Best move: Qxd4 — queen d1→d4, captures knight. Opponent replies Bxh2+ (bishop d6→h2, captures pawn, gives check).
3. Best move: Kxh2 — king g1→h2, captures bishop. Opponent replies Qxd4 (queen d7→d4, captures queen).
4. Best move: Nxd4 — knight f3→d4, captures queen.

Tactical themes

advantage, hanging piece, long, middlegame. The key move Qxd4 wins material.

Position data

FEN: 3r1rk1/pbpq1pp1/1pnbp2p/8/3PN3/5N2/PPP2PPP/R1BQ1RK1 b - - 3 13

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