Chess Puzzle #LCwUI — Advanced, White to move, endgame

Position

White: king h3; queen a8; pawn g3. Black: king f6; queen d4; pawns e6/g6/h7. Black is ahead by 2 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Qd5 — queen d4→d5. Now White to move.
2. Best move: Qf8+ — queen a8→f8, gives check. Opponent replies Kg5 (king f6→g5).
3. Best move: Qf4+ — queen f8→f4, gives check. Opponent replies Kh5 (king g5→h5).
4. Best move: g4# — pawn g3→g4, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3, queen endgame. The combination ends with g4# delivering checkmate.

Position data

FEN: Q7/7p/4pkp1/8/3q4/6PK/8/8 b - - 3 48

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