You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

chess-insight
0.8.3

This version was deleted from PyPI around 2023-09-25. Installing fails with:
$ pip3 install chess-insight==0.8.3 ERROR: Could not find a version that satisfies the requirement chess-insight==0.8.3
View other deleted versions of chess-insight

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2023-09-24/ \ chess-insight==0.8.3
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Or, download files manually

And install manually via pip:
chess_insight-0.8.3-py3-none-any.whl (71.0KB)
chess-insight-0.8.3.tar.gz (71.4KB)