Chess Puzzle #J5Xbd — Advanced, White to move, endgame

Position

White: king e2; queen b7; pawn a6. Black: king b1; queen d4; pawn g2. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: Qb2+ — queen d4→b2, gives check. Now White to move.
2. Best move: Qxb2+ — queen b7→b2, captures queen, gives check. Opponent replies Kxb2 (king b1→b2, captures queen).
3. Best move: Kf2 — king e2→f2. Opponent replies g1=Q+ (pawn g2→g1, promotes to queen, gives check).
4. Best move: Kxg1 — king f2→g1, captures queen.

Tactical themes

crushing, endgame, long, master, queen endgame. The key move Qxb2+ captures with check, forcing a response.

Position data

FEN: 8/1Q6/P7/8/3q4/8/4K1p1/1k6 b - - 1 56

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