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@mooskagh mooskagh commented Jul 8, 2025

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github-actions bot commented Jul 8, 2025

🚀 Draft Preview: https://pr144-draft.lc0.org/

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🚀 Draft Preview: https://pr144-draft.lc0.org/

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🚀 Draft Preview: https://pr144-draft.lc0.org/

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🚀 Draft Preview: https://pr144-draft.lc0.org/

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🚀 Draft Preview: https://pr144-draft.lc0.org/

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🚀 Draft Preview: https://pr144-draft.lc0.org/

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🚀 Draft Preview: https://pr144-draft.lc0.org/

@mooskagh mooskagh marked this pull request as ready for review September 12, 2025 20:44
@Copilot Copilot AI review requested due to automatic review settings September 12, 2025 20:44
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Most sections are still empty (and draft, so don't render), but what's there, I believe is fine to merge.

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Pull Request Overview

This PR introduces comprehensive developer documentation for the Leela Chess Zero (Lc0) ecosystem, covering the engine architecture, search algorithms, and supporting infrastructure. The documentation provides both high-level overviews and detailed technical specifications for developers working with the codebase.

  • Creates new documentation structure covering the entire Lc0 ecosystem including the engine, training pipeline, and supporting services
  • Adds detailed technical documentation for the lc3 search algorithm, including worker architecture and data flow
  • Provides architectural overview and AlphaZero primer for developers

Reviewed Changes

Copilot reviewed 20 out of 20 changed files in this pull request and generated 3 comments.

Show a summary per file
File Description
content/dev/overview.md Main ecosystem overview documenting all Lc0 components and their relationships
content/dev/_index.md Developer documentation landing page with updated structure
content/dev/lc0/_index.md Engine-specific documentation introduction
content/dev/lc0/architecture.md High-level architecture overview of the engine codebase
content/dev/lc0/search/_index.md Search algorithms section introduction
content/dev/lc0/search/alphazero.md AlphaZero algorithm primer with mathematical notation
content/dev/lc0/search/new.md Guide for implementing new search algorithms
content/dev/lc0/search/lc3/_index.md Introduction to the experimental lc3 search algorithm
content/dev/lc0/search/lc3/overview.md Detailed lc3 architecture with worker flow diagrams
content/dev/lc0/search/lc3/policy.md Search policy framework documentation
content/dev/lc0/search/lc3/glossary.md Terminology and data types reference
Multiple placeholder files Draft pages for future content sections
content/dev/old/_index.md Outdated documents section metadata update
archetypes/default.md Template update for new documentation pages

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### Developer Website

(Python/Django, <https://dev.lczero.org>) A new website in development that is intended to replace the current <https://training.lczero.org> interface, the <https://lc0.org> URL shoretener, and additional services:
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There's a typo in 'shoretener' - it should be 'shortener'.

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(Python/Django, <https://dev.lczero.org>) A new website in development that is intended to replace the current <https://training.lczero.org> interface, the <https://lc0.org> URL shoretener, and additional services:
(Python/Django, <https://dev.lczero.org>) A new website in development that is intended to replace the current <https://training.lczero.org> interface, the <https://lc0.org> URL shortener, and additional services:

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It's described in the detail in the papers

* "[Mastering the game of Go without human knowledge](hhttps://www.nature.com/articles/nature24270.epdf?author_access_token=VJXbVjaSHxFoctQQ4p2k4tRgN0jAjWel9jnR3ZoTv0PVW4gB86EEpGqTRDtpIz-2rmo8-KG06gqVobU5NSCFeHILHcVFUeMsbvwS-lxjqQGg98faovwjxeTUgZAUMnRQ)"
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The URL has a double 'h' at the beginning - 'hhttps' should be 'https'.

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* "[Mastering the game of Go without human knowledge](hhttps://www.nature.com/articles/nature24270.epdf?author_access_token=VJXbVjaSHxFoctQQ4p2k4tRgN0jAjWel9jnR3ZoTv0PVW4gB86EEpGqTRDtpIz-2rmo8-KG06gqVobU5NSCFeHILHcVFUeMsbvwS-lxjqQGg98faovwjxeTUgZAUMnRQ)"
* "[Mastering the game of Go without human knowledge](https://www.nature.com/articles/nature24270.epdf?author_access_token=VJXbVjaSHxFoctQQ4p2k4tRgN0jAjWel9jnR3ZoTv0PVW4gB86EEpGqTRDtpIz-2rmo8-KG06gqVobU5NSCFeHILHcVFUeMsbvwS-lxjqQGg98faovwjxeTUgZAUMnRQ)"

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summary: "A description of the lc0 backends"
---

Starting with version v0.32, `lc0` defin
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The sentence is incomplete and cuts off mid-word. This appears to be an unfinished draft that should either be completed or removed.

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Starting with version v0.32, `lc0` defin

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2 participants