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

Position

White: king h1; queen e8; rook a1; pawns a4/f3/g2/h2. Black: king h7; queen h4; knight h5; pawns d5/g7/h6. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: a5 — pawn a4→a5. Now Black to move.
2. Best move: Ng3+ — knight h5→g3, gives check. Opponent replies Kg1 (king h1→g1).
3. Best move: Qd4+ — queen h4→d4, gives check. Opponent replies Qe3 (queen e8→e3).
4. Best move: Qxe3# — queen d4→e3, captures queen, delivers checkmate.

Tactical themes

endgame, fork, long, mate, mate in 3, pin. The combination ends with Qxe3# delivering checkmate.

Position data

FEN: 4Q3/6pk/7p/3p3n/P6q/5P2/6PP/R6K w - - 1 39

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