Chess Puzzle #cPAWE — Master, Black to move, endgame

Position

White: king d6; queen d7; pawns d5/e7/h2. Black: king h8; queen b4; pawns a2/g7/h6. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Ke6 — king d6→e6. Now Black to move.
2. Best move: a1=Q — pawn a2→a1, promotes to queen. Opponent replies e8=Q+ (pawn e7→e8, promotes to queen, gives check).
3. Best move: Kh7 — king h8→h7. Opponent replies Qh8+ (queen e8→h8, gives check).
4. Best move: Kxh8 — king h7→h8, captures queen.

Tactical themes

advanced pawn, crushing, endgame, long, promotion, queen endgame. The key move is a1=Q.

Position data

FEN: 7k/3QP1p1/3K3p/3P4/1q6/8/p6P/8 w - - 2 62

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