THE PLAYBOOK · PT-BUS
How to play Chess Online
This PT-BUS page combines Chess Online with a guide to the decisions it asks you to make. Checkmate the opposing king. Use build a repeatable approach to give your round a clear purpose.
Full legal moves; checkmate, stalemate, basic insufficient material, automatic 50-move/threefold draws. No online matching or tournament clock.
Build a repeatable approach
Try a consistent sequence of observing, choosing and checking the result. Keep the sequence even when the position or challenge changes.
Your goal
Checkmate the opposing king.
Step by step
- Select local play or basic computer.
- Choose a piece and a legal target.
- Castling, en passant and promotion obey king-safety rules.
- Use the promotion selector before moving to the last rank.
- Undo or New game restarts play.
Controls
Tap a piece and target; choose a promotion piece when needed.
A useful example
Castling cannot pass through an attacked square.
Watch out for this
The computer is a small search opponent, not a rated engine.
Common questions
Which controls should I use?
Tap a piece and target; choose a promotion piece when needed.
Can you show a concrete example?
Castling cannot pass through an attacked square.
What is included in this edition?
Full legal moves; checkmate, stalemate, basic insufficient material, automatic 50-move/threefold draws. No online matching or tournament clock.