Chess Puzzle #3vStS — Beginner, Black to move, middlegame

Position

White: king b1; queen d6; rooks g1/h1; knight c3; pawns b2/h4. Black: king h6; queen c2; rooks c4/f2; knight h5; pawn g6. White is ahead by 1 point of material. Black to move.

Solution (1 move)

1. Opponent setup: Ka1 — king b1→a1. Now Black to move.
2. Best move: Qxb2# — queen c2→b2, captures pawn, delivers checkmate.

Tactical themes

mate, mate in 1, middlegame, one move. The combination ends with Qxb2# delivering checkmate.

Position data

FEN: 8/8/3Q2pk/7n/2r4P/2N5/1Pq2r2/1K4RR w - - 0 31

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