Chess Puzzle #AxdLc — Expert, White to move, middlegame

Position

White: king g1; queen e6; bishop c5; pawns b6/d5/f2/g3. Black: king h8; queen d8; rook d7; pawns c7/g7/h6. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Rxd5 — rook d7→d5, captures pawn. Now White to move.
2. Best move: b7 — pawn b6→b7. Opponent replies Rxc5 (rook d5→c5, captures bishop).
3. Best move: Qc8 — queen e6→c8. Opponent replies Qxc8 (queen d8→c8, captures queen).
4. Best move: bxc8=Q+ — pawn b7→c8, captures queen, promotes to queen, gives check.

Tactical themes

advanced pawn, advantage, endgame, long, promotion, sacrifice. The key move bxc8=Q+ captures with check, forcing a response.

Position data

FEN: 3q3k/2pr2p1/1P2Q2p/2BP4/8/6P1/5P2/6K1 b - - 0 37

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