Queen and king checkmate
Stockfish 16.1 · runs in your browserPlay Qg7#. Black is in check with no legal move: White has checkmated Black.
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Commentary
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Best move
A queen and king work together to checkmate a lone king. The queen gives check while the king protects key squares. Try Qg7# here, then compare the stalemate example: no legal reply is a win only if the king is in check.
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Rules and examples
The board positions are original teaching examples. Rule references and further practice are linked below.
Rules: FIDE Laws of Chess, effective 1 January 2023. https://handbook.fide.com/chapter/E012023
Rule replay: python-chess 1.11.2 (GPL-3.0-or-later). The shared browser engine retains its Stockfish GPL-3.0 notice. No engine score is claimed by these demonstrations.
Read the rulesA move on the board
7k/8/5KQ1/8/8/8/8/8 w - - 0 1
7k/6Q1/5K2/8/8/8/8/8 b - - 1 1
- Qg7#Black is in check with no legal move: White has checkmated Black.
Black is in check with no legal move: White has checkmated Black.
Original teaching example replayed with python-chess 1.11.2, 2026-10-18.
Analysis runs on Stockfish 16.1 in your browser, compiled to WebAssembly by stockfish.js. Stockfish is free software under the GNU General Public License v3; its source code is on GitHub.