Chess Puzzle #C5ozA — Intermediate, White to move, endgame

Position

White: king g3; queen b8; pawns a3/b4/f2. Black: king h6; queen e6; pawns a6/d3/e5/g6. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: e4 — pawn e5→e4. Now White to move.
2. Best move: Qh8+ — queen b8→h8, gives check. Opponent replies Kg5 (king h6→g5).
3. Best move: Qh4+ — queen h8→h4, gives check. Opponent replies Kf5 (king g5→f5).
4. Best move: Qf4# — queen h4→f4, delivers checkmate.

Tactical themes

endgame, long, master, mate, mate in 3, queen endgame. The combination ends with Qf4# delivering checkmate.

Position data

FEN: 1Q6/8/p3q1pk/4p3/1P6/P2p2K1/5P2/8 b - - 1 41

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