Add Chess960/FEN support#21

Merged

vladkvit merged 3 commits intomainfrom

Feb 4, 2026

Owner

vladkvit commented Feb 4, 2026 •

edited

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Summary

Add support for parsing games with custom starting FEN positions
Auto-detect Chess960 variant from [Variant "chess960"] header
Gracefully handle invalid FEN (falls back to default, marks as invalid)

Changes

Parse FEN header to initialize position instead of always using default
Detect Chess960 variant for correct castling mode
Added unit tests

Version

Bumps version to 3.4.0

vladkvit added 3 commits

February 4, 2026 09:02


          Add chess960 support

b705f15


          Test for standard chess with a custom position

0cf70b5


          Bump version to 3.4.0

e2a4c19

vladkvit merged commit 2142446 into main

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