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

Position

White: king h1; queen a5; knight b3; pawns a2/f4/g2/h3. Black: king g8; queen f2; bishop f6; pawns f7/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (5 moves)

1. Opponent setup: Qa4 — queen a5→a4. Now Black to move.
2. Best move: Qe1+ — queen f2→e1, gives check. Opponent replies Kh2 (king h1→h2).
3. Best move: Bh4 — bishop f6→h4. Opponent replies Qa8+ (queen a4→a8, gives check).
4. Best move: Kh7 — king g8→h7. Opponent replies Qf3 (queen a8→f3).
5. Best move: Bf2 — bishop h4→f2. Opponent replies Qxf2 (queen f3→f2, captures bishop).
6. Best move: Qxf2 — queen e1→f2, captures queen.

Tactical themes

crushing, endgame, quiet move, very long. The key move is Qe1+.

Position data

FEN: 6k1/5pp1/5b1p/Q7/5P2/1N5P/P4qP1/7K w - - 5 31

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