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

Position

White: king f3; queen d7; rook a5; pawn e3. Black: king a3; queen c1; rook b1; pawns a6/b4. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Kb3 — king a3→b3. Now White to move.
2. Best move: Qd3+ — queen d7→d3, gives check. Opponent replies Kb2 (king b3→b2).
3. Best move: Qe2+ — queen d3→e2, gives check. Opponent replies Kc3 (king b2→c3).
4. Best move: Rc5+ — rook a5→c5, gives check.

Tactical themes

crushing, endgame, long. The key move is Qd3+.

Position data

FEN: 8/3Q4/p7/R7/1p6/k3PK2/8/1rq5 b - - 3 53

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