Chess Puzzle #d6XmF — Expert, White to move, endgame

Position

White: king g7; queen g8; pawn h7. Black: king e2; queen e4; pawns e3/f5. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Kf2 — king e2→f2. Now White to move.
2. Best move: h8=Q — pawn h7→h8, promotes to queen. Opponent replies e2 (pawn e3→e2).
3. Best move: Qh2+ — queen h8→h2, gives check. Opponent replies Kf1 (king f2→f1).
4. Best move: Qh3+ — queen h2→h3, gives check. Opponent replies Qg2+ (queen e4→g2, gives check).
5. Best move: Qxg2+ — queen h3→g2, captures queen, gives check.

Tactical themes

advanced pawn, crushing, endgame, promotion, queen endgame, very long. The key move Qxg2+ captures with check, forcing a response.

Position data

FEN: 6Q1/6KP/8/5p2/4q3/4p3/4k3/8 b - - 2 76

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