Chess Puzzle #N56r6 — Master, Black to move, middlegame

Position

White: king e1; queen a5; bishop e5; knight d2; pawns b2/c3/f2/h3. Black: king h7; queen g2; pawns b5/c4/d3/f7/g7/h6. White is ahead by 4 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qxb5 — queen a5→b5, captures pawn. Now Black to move.
2. Best move: Qh1+ — queen g2→h1, gives check. Opponent replies Nf1 (knight d2→f1).
3. Best move: Qe4+ — queen h1→e4, gives check. Opponent replies Ne3 (knight f1→e3).
4. Best move: Qf3 — queen e4→f3. Opponent replies Kd2 (king e1→d2).
5. Best move: Qxf2+ — queen f3→f2, captures pawn, gives check.

Tactical themes

crushing, endgame, very long. The key move Qxf2+ captures with check, forcing a response.

Position data

FEN: 8/5ppk/7p/Qp2B3/2p5/2Pp3P/1P1N1Pq1/4K3 w - - 0 37

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