Chess Puzzle #AUj6S — Advanced, Black to move, endgame

Position

White: king c1; queen f5; rook d1; pawns a2/c2/f3/h3. Black: king a8; queen c3; rook c6; pawns a6/b7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kb1 — king c1→b1. Now Black to move.
2. Best move: Rb6+ — rook c6→b6, gives check. Opponent replies Kc1 (king b1→c1).
3. Best move: Qa1+ — queen c3→a1, gives check. Opponent replies Kd2 (king c1→d2).
4. Best move: Rd6+ — rook b6→d6, gives check.

Tactical themes

crushing, endgame, long. The key move is Rb6+.

Position data

FEN: k7/1p6/p1r5/5Q2/8/2q2P1P/P1P5/2KR4 w - - 3 35

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