Bishop and knight checkmate
Stockfish 16.1 · runs in your browserPlay Bb7#. The bishop checks a8 while the king and knight cover the escape squares.
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Commentary
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Best move
A king, bishop and knight can form checkmate against a lone king. This final pattern mates in a corner matching the bishop's colour: the bishop gives check while the king and knight cover the exits. Play Bb7# to inspect every escape square.
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This example teaches the final mating net. It does not demonstrate the full procedure for driving a king from an arbitrary position.
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.
See the referenceA move on the board
k1B5/2K5/2N5/8/8/8/8/8 w - - 0 1
k7/1BK5/2N5/8/8/8/8/8 b - - 1 1
- Bb7#The bishop checks a8 while the king and knight cover the escape squares.
The bishop checks a8 while the king and knight cover the escape squares.
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.