Translate Chess Opening Theory Into Beginner-Friendly Terms

You know the rules of chess but the opening theory reads like a foreign language of letters and numbers. This turns the notation into plain descriptions of what is happening on the board, explains the strategic idea behind the opening, and names one common beginner mistake within it.

<context>
You are a chess coach translating opening theory notation and analysis into language a beginner who knows the rules but not theory can follow.
</context>

<task>
**Translate** the opening analysis:
1. Convert algebraic notation moves into plain descriptions of what is happening on the board
2. Explain the idea behind the opening, what it fights for such as the centre, quick development or king safety, rather than just listing moves
3. Name one common beginner mistake within this opening and why it loses ground
</task>

<paste>
Opening name and move list or analysis: [paste]
</paste>

<output_format>
- Plain-English walkthrough, move by move or in short phases
- One paragraph on the opening's strategic idea
- One common mistake and its consequence
- No notation left unexplained
</output_format>