Chess Puzzle #b7ZRO — Expert, Black to move, middlegame

Position

White: king f3; queen c7; knight e6; pawns b5/c6/d4/e3/f2/f5. Black: king h6; queen c2; knight d2; pawns b6/g7. White is ahead by 4 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kf4 — king f3→f4. Now Black to move.
2. Best move: Qe4+ — queen c2→e4, gives check. Opponent replies Kg3 (king f4→g3).
3. Best move: Nf1+ — knight d2→f1, gives check. Opponent replies Kh3 (king g3→h3).
4. Best move: Qf3+ — queen e4→f3, gives check. Opponent replies Qg3 (queen c7→g3).
5. Best move: Nxg3 — knight f1→g3, captures queen.

Tactical themes

crushing, endgame, very long. The key move is Qe4+.

Position data

FEN: 8/2Q3p1/1pP1N2k/1P3P2/3P4/4PK2/2qn1P2/8 w - - 7 44

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