Chess Puzzle #0nRCv — Expert, Black to move, middlegame

Position

White: king h1; queen a8; rooks a1/f1; bishops b3/c1; knight b1; pawns a2/b2/c2/d3/g2/h2. Black: king g8; queen e5; rook f8; bishop g7; knights d7/f6; pawns a6/b5/c7/e7/f7/g6/h7. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qxa6 — queen a8→a6, captures pawn. Now Black to move.
2. Best move: Ng4 — knight f6→g4. Opponent replies Bf4 (bishop c1→f4).
3. Best move: Nf2+ — knight g4→f2, gives check. Opponent replies Kg1 (king h1→g1).
4. Best move: Qxf4 — queen e5→f4, captures bishop.

Tactical themes

advantage, interference, kingside attack, long, middlegame. The key move is Ng4.

Position data

FEN: Q4rk1/2pnppbp/p4np1/1p2q3/8/1B1P4/PPP3PP/RNB2R1K w - - 1 14

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