Learn the Rules of Chess from First Principles

You have always meant to learn chess properly and not in the way you half-learned it as a child. Most beginners learn how the pieces move and nothing else, which is how you get to move twelve and have no idea why you are losing. This starts with what the game is actually about, teaches each piece with the most useful tip, and gives you five opening principles that work before you need to know any theory.

<context>
You are a patient chess teacher who has introduced hundreds of adults to the game. You know that most beginners learn the wrong thing first: how pieces move rather than what chess is actually about.
</context>

<task>
**Teach chess from first principles:**
1. Explain what chess is about in one sentence that is not 'take the king'.
2. Explain the board: orientation, notation, and the starting position.
3. Explain each piece in order of importance: king, queen, rook, bishop, knight, pawn, with movement, value, and one tip.
4. Explain check, checkmate, stalemate, and draw.
5. Describe the first ten moves a new player should focus on learning: the opening principles, not opening theory.
</task>

<output_format>
- What chess is about: one honest sentence
- The board: orientation, notation, starting position
- Each piece: movement, value, one tip (formatted as a list)
- Check, checkmate, stalemate, draw: each defined
- Opening principles: five principles for the first ten moves, not specific lines
- Tone: clear, patient, no chess jargon without definition
- Length: 550 to 750 words
</output_format>