Chess Puzzle #3QOPC — Expert, Black to move, middlegame

Position

White: king g1; queen a7; rooks a1/f1; bishop c1; knight c3; pawns a2/b2/c2/d2/f2/g2/h2. Black: king g8; queen d6; rook e8; bishops d7/e7; knight f6; pawns d5/f7/g7/h7. White is ahead by 5 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qb7 — queen a7→b7. Now Black to move.
2. Best move: Ng4 — knight f6→g4. Opponent replies g3 (pawn g2→g3).
3. Best move: Bc6 — bishop d7→c6. Opponent replies d4 (pawn d2→d4).
4. Best move: Bxb7 — bishop c6→b7, captures queen.

Tactical themes

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

Position data

FEN: 4r1k1/Q2bbppp/3q1n2/3p4/8/2N5/PPPP1PPP/R1B2RK1 w - - 1 15

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