THE PLAYBOOK · 850305
How to play Chess Online
850305 presents Chess Online with a practical playbook rather than a download screen. Checkmate the opposing king. Read the example-led learning note before you begin.
Full legal moves; checkmate, stalemate, basic insufficient material, automatic 50-move/threefold draws. No online matching or tournament clock.
Example-led learning
Read the worked example, identify its key decision, then look for a comparable decision while you play.
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
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.
Which controls should I use?
Tap a piece and target; choose a promotion piece when needed.