Chess Puzzle #gK79W — Expert, Black to move, middlegame

Position

White: king c1; queen d2; rooks h1/h7; bishop e4; pawns a3/b2/c2/d3/f2/g5. Black: king f7; queen c5; rooks a8/d6; knight d4; pawns a7/b5/c6/e5/f6/g7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: gxf6 — pawn g5→f6, captures pawn. Now Black to move.
2. Best move: Nb3+ — knight d4→b3, gives check. Opponent replies Kd1 (king c1→d1).
3. Best move: Nxd2 — knight b3→d2, captures queen. Opponent replies Rxg7+ (rook h7→g7, captures pawn, gives check).
4. Best move: Ke6 — king f7→e6.

Tactical themes

advantage, long, middlegame, pin. The key move is Nb3+.

Position data

FEN: r7/p4kpR/2pr1p2/1pq1p1P1/3nB3/P2P4/1PPQ1P2/2K4R w - - 1 27

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