Chess Puzzle #2Bcnd — Beginner, Black to move, middlegame

Position

White: king g1; queen a8; rook b1; knight g5; pawns b4/e5/f2/g2/h2. Black: king e7; queen c1; bishop d7; pawns b2/b7/d5/e6/f7/g6/g7. White is ahead by 3 points of material. Black to move.

Solution (1 move)

1. Opponent setup: Rxc1 — rook b1→c1, captures queen. Now Black to move.
2. Best move: bxc1=Q# — pawn b2→c1, captures rook, promotes to queen, delivers checkmate.

Tactical themes

advanced pawn, back rank mate, endgame, mate, mate in 1, one move, promotion. The combination ends with bxc1=Q# delivering checkmate.

Position data

FEN: Q7/1p1bkpp1/4p1p1/3pP1N1/1P6/8/1p3PPP/1Rq3K1 w - - 2 26

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