Chess Puzzle #0spAI — Master, Black to move, middlegame

Position

White: king h1; queen c8; knight e4; pawns a3/b5/c4/d3/g2/h3. Black: king h7; queen f7; bishop e5; pawns a7/b6/d6/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Nd2 — knight e4→d2. Now Black to move.
2. Best move: Qf2 — queen f7→f2. Opponent replies Nf3 (knight d2→f3).
3. Best move: Qf1+ — queen f2→f1, gives check. Opponent replies Ng1 (knight f3→g1).
4. Best move: Bd4 — bishop e5→d4. Opponent replies Qf5+ (queen c8→f5, gives check).
5. Best move: Qxf5 — queen f1→f5, captures queen.

Tactical themes

crushing, endgame, very long. The key move is Qf2.

Position data

FEN: 2Q5/p4qpk/1p1p3p/1P2b3/2P1N3/P2P3P/6P1/7K w - - 4 37

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