Chess Puzzle #0Z9vL — Beginner, White to move, middlegame

Position

White: king h1; queen h6; rook f1; knight f5; pawns a3/b4/d3/e4/g2/h3. Black: king h8; queen b2; rooks f8/g7; knight e5; pawns b5/b7/c6/f7. Black is ahead by 3 points of material. White to move.

Solution (1 move)

1. Opponent setup: Kg8 — king h8→g8. Now White to move.
2. Best move: Qxg7# — queen h6→g7, captures rook, delivers checkmate.

Why this works

After Black's king moves to g8, the rook on g7 becomes the only piece defending against back-rank threats. White's 1.Qxg7# is checkmate because the queen on g7 controls all escape squares: f8 is covered by the queen, h8 is covered by the queen, h7 is covered by the queen, and f7 is blocked by Black's own pawn. The king on g8 has no flight squares and no piece can interpose or capture the queen. Black's knight on e5 and queen on b2 are both too far away to help—neither controls g7 or any square the king could flee to.

What to practice

When the enemy king is confined to the back rank with limited piece support, scan for a single capture that removes the last defender while simultaneously covering all escape routes. The pattern here—queen takes rook with checkmate—trains you to recognize when removing one piece leaves the king with zero legal moves, not just one fewer option. Look for positions where the king's own pawns trap it; that restriction is what makes the final quiet square unavailable.

Tactical themes

mate, mate in 1, middlegame, one move. The combination ends with Qxg7# delivering checkmate.

Position data

FEN: 5r1k/1p3pr1/2p4Q/1p2nN2/1P2P3/P2P3P/1q4P1/5R1K b - - 0 31

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