Chess Puzzle #9AQQu — Advanced, White to move, middlegame

Position

White: king b1; queen b5; rook e1; bishop b2; pawns a3/b3/c2/d3/h3. Black: king d7; queen d6; rooks a8/e6; pawns c4/c7/f6/g7. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: c6 — pawn c7→c6. Now White to move.
2. Best move: Qb7+ — queen b5→b7, gives check. Opponent replies Qc7 (queen d6→c7).
3. Best move: Qxc7+ — queen b7→c7, captures queen, gives check. Opponent replies Kxc7 (king d7→c7, captures queen).
4. Best move: Rxe6 — rook e1→e6, captures rook.

Tactical themes

advantage, endgame, fork, long. The key move Qxc7+ captures with check, forcing a response.

Position data

FEN: r7/2pk2p1/3qrp2/1Q6/2p5/PP1P3P/1BP5/1K2R3 b - - 0 29

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