Chess Puzzle #GBIoB — Expert, Black to move, endgame

Position

White: king h2; queen b5; pawns a5/g2/h3. Black: king h6; queen d4; pawns e3/g6/h7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: a6 — pawn a5→a6. Now Black to move.
2. Best move: Qd6+ — queen d4→d6, gives check. Opponent replies Kg1 (king h2→g1).
3. Best move: Qd1+ — queen d6→d1, gives check. Opponent replies Qf1 (queen b5→f1).
4. Best move: e2 — pawn e3→e2.

Tactical themes

advanced pawn, crushing, endgame, long, queen endgame. The key move is Qd6+.

Position data

FEN: 8/7p/6pk/PQ6/3q4/4p2P/6PK/8 w - - 0 39

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