Hi,
I once wrote a series of articles to introduce the old (2020 version) original Stockfish NNUE networks with the “HalfKP_256X2_32_32” architecture. It was originally written in winter 2020, but not in English. Recently I have translated/rewritten it into English so that more people could read it. It might be a little late since Stockfish and NNUE network architecture have evolved a lot in the past 2 years, but still want to share it in case it is useful to anyone who is interested in the original/historical NNUE network once used in sf.
Here is the repo: https://github.com/nkg114mc/sfnnue-intro
Please feel free to let me know if you find any incorrect/inaccurate descriptions or typos. I will fix it.
Note: please refer to the official documentation in nnue-pytorch to learn the latest updates about Stockfish NNUE networks:
https://github.com/glinscott/nnue-pytor ... cs/nnue.md
Thanks!
A series of introduction articles about the original/old Stockfish NNUE networks in 2020
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Re: A series of introduction articles about the original/old Stockfish NNUE networks in 2020
Thanks for posting these 

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