Chess Puzzle #QNKC6 — Advanced, Black to move, middlegame

Position

White: king b2; queen c4; rook d1; pawns b3/c2/g4/h5. Black: king g8; queen f6; knight d5; pawns a6/e6/f7/g6/g7. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kc1 — king b2→c1. Now Black to move.
2. Best move: Qa1+ — queen f6→a1, gives check. Opponent replies Kd2 (king c1→d2).
3. Best move: Qxd1+ — queen a1→d1, captures rook, gives check. Opponent replies Kxd1 (king d2→d1, captures queen).
4. Best move: Ne3+ — knight d5→e3, gives check. Opponent replies Ke2 (king d1→e2).
5. Best move: Nxc4 — knight e3→c4, captures queen.

Tactical themes

attraction, crushing, endgame, fork, sacrifice, very long. The key move Qxd1+ captures with check, forcing a response.

Position data

FEN: 6k1/5pp1/p3pqp1/3n3P/2Q3P1/1P6/1KP5/3R4 w - - 1 30

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