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

Position

White: king g1; queen d1; rooks a1/e1; bishops d2/d3; pawns a2/c2/e3/f3/g2/h2. Black: king d8; queen e5; rook h8; bishops a8/c5; knight f6; pawns a7/b6/d7/f7/g7/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kh1 — king g1→h1. Now Black to move.
2. Best move: Ng4 — knight f6→g4. Opponent replies f4 (pawn f3→f4).
3. Best move: Qh5 — queen e5→h5. Opponent replies Qxg4 (queen d1→g4, captures knight).
4. Best move: Qxg4 — queen h5→g4, captures queen.

Tactical themes

advantage, long, middlegame. The key move is Ng4.

Position data

FEN: b2k3r/p2p1ppp/1p3n2/2b1q3/8/3BPP2/P1PB2PP/R2QR1K1 w - - 3 16

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