eigo – Comprehensive tools for creating Go (Weiqi/Baduk) game diagrams in LaTeX

The eigo package provides comprehensive tools for creating Go (Weiqi/Baduk) game diagrams in LaTeX documents. Developed with AI assistance, it offers multiple stone colors with full RGB customization, automatic numbering systems with alternating colors, geometric transformations (rotations, mirrors), flexible board display options with enhanced 2pt borders for publication quality, symbol placement, and full LuaLaTeX compatibility. The package supports seven stone colors, border display, extended size presets with validation, and advanced features for game analysis and problem presentation.

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