Chess Puzzle #LRnVQ — Intermediate, Black to move, middlegame

Position

White: king h2; queen b7; rook e7; knight g3; pawns a3/g2/h3. Black: king g7; queen f4; pawns a7/d4/f7/g6/h4. White is ahead by 6 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qc7 — queen b7→c7. Now Black to move.
2. Best move: hxg3+ — pawn h4→g3, captures knight, gives check. Opponent replies Kg1 (king h2→g1).
3. Best move: Qf2+ — queen f4→f2, gives check. Opponent replies Kh1 (king g1→h1).
4. Best move: Qf1# — queen f2→f1, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3. The combination ends with Qf1# delivering checkmate.

Position data

FEN: 8/pQ2Rpk1/6p1/8/3p1q1p/P5NP/6PK/8 w - - 0 35

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