Chess Puzzle #NSkQU — Advanced, Black to move, middlegame

Position

White: king c1; queen d2; rooks d1/e1; bishop e3; knights c3/d4; pawns a3/b2/c2/f3/g2/h3. Black: king b8; queen e7; rooks d8/h8; bishop b6; knights f6/g6; pawns a7/b7/d5/e6/g7/h6. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Nxe6 — knight d4→e6, captures pawn. Now Black to move.
2. Best move: Qxe6 — queen e7→e6, captures knight. Opponent replies Bf4+ (bishop e3→f4, gives check).
3. Best move: Nxf4 — knight g6→f4, captures bishop. Opponent replies Rxe6 (rook e1→e6, captures queen).
4. Best move: Nxe6 — knight f4→e6, captures rook.

Tactical themes

advantage, hanging piece, long, middlegame. The key move Qxe6 wins material.

Position data

FEN: 1k1r3r/pp2q1p1/1b2pnnp/3p4/3N4/P1N1BP1P/1PPQ2P1/2KRR3 w - - 2 19

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