Chess Puzzle #8DeWB — Master, Black to move, middlegame

Position

White: king b1; queen g3; rook h1; pawns b2/c3/e3/g4. Black: king g6; queen g5; rook a4; pawns b4/c4/e4. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: cxb4 — pawn c3→b4, captures pawn. Now Black to move.
2. Best move: Qd5 — queen g5→d5. Opponent replies Rc1 (rook h1→c1).
3. Best move: c3 — pawn c4→c3. Opponent replies Rxc3 (rook c1→c3, captures pawn).
4. Best move: Qd1+ — queen d5→d1, gives check. Opponent replies Rc1 (rook c3→c1).
5. Best move: Qd3+ — queen d1→d3, gives check.

Tactical themes

crushing, endgame, quiet move, very long. The key move is Qd5.

Position data

FEN: 8/8/6k1/6q1/rpp1p1P1/2P1P1Q1/1P6/1K5R w - - 0 39

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