Chess Puzzle #5vZqW — Advanced, Black to move, endgame

Position

White: king b6; queen h8; pawns a5/f4. Black: king c2; rook a2; pawns d2/f7. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qh7+ — queen h8→h7, gives check. Now Black to move.
2. Best move: Kc1 — king c2→c1. Opponent replies Qxf7 (queen h7→f7, captures pawn).
3. Best move: Rb2+ — rook a2→b2, gives check. Opponent replies Ka7 (king b6→a7).
4. Best move: d1=Q — pawn d2→d1, promotes to queen.

Tactical themes

advanced pawn, crushing, defensive move, endgame, long, promotion, queen rook endgame. The key move is Kc1.

Position data

FEN: 7Q/5p2/1K6/P7/5P2/8/r1kp4/8 w - - 1 52

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