Chess Puzzle #8RUjp — Advanced, Black to move, middlegame

Position

White: king d1; queen e8; rook d8; pawns a2/b2/c2/f2/h2. Black: king a7; queen c5; knight d4; pawns a6/b7/c7/e5/g6/h6. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qa4 — queen e8→a4. Now Black to move.
2. Best move: b5 — pawn b7→b5. Opponent replies Ra8+ (rook d8→a8, gives check).
3. Best move: Kxa8 — king a7→a8, captures rook. Opponent replies Qxa6+ (queen a4→a6, captures pawn, gives check).
4. Best move: Kb8 — king a8→b8.

Tactical themes

advantage, endgame, long. The key move is b5.

Position data

FEN: 3RQ3/kpp5/p5pp/2q1p3/3n4/8/PPP2P1P/3K4 w - - 7 29

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