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

Position

White: king g1; queen d3; bishop g3; knight d6; pawns a3/b2/c4/d5/g2/h2. Black: king h8; queen h6; rook f1; bishop c7; knight a6; pawns a7/b7/c5/g6/h7. Black is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kxf1 — king g1→f1, captures rook. Now Black to move.
2. Best move: Qf8+ — queen h6→f8, gives check. Opponent replies Qf3 (queen d3→f3).
3. Best move: Bxd6 — bishop c7→d6, captures knight. Opponent replies Bxd6 (bishop g3→d6, captures bishop).
4. Best move: Qxd6 — queen f8→d6, captures bishop.

Tactical themes

advantage, endgame, long. The key move is Qf8+.

Position data

FEN: 7k/ppb4p/n2N2pq/2pP4/2P5/P2Q2B1/1P4PP/5rK1 w - - 0 23

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