Tomasz Sobczyk

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Tomasz Sobczyk, (Sopel97, Sopel) a Polish computer scientist involved in recent Stockfish development and documentation concerning NNUE . He introduced new net architectures using the HalfKAv2 feature set , optimized the NNUE inference code for various SIMD instruction sets , and contributed to Gary Linscott's Pytorch NNUE project to train Stockfish .

=Forum Posts=
 * Re: Removing Large Arrays by Sopel, CCC, March 12, 2020
 * Re: Compiler Optimization Question by Sopel, CCC, April 14, 2020
 * Re: An actual interesting computer chess read about FF2 by Sopel, CCC, February 28, 2021
 * Re: It walks like a clone, it quacks like a clone ... by Sopel, CCC, March 14, 2021
 * Re: larger nets for SF? by Sopel, CCC, April 16, 2021
 * Re: NNUE Question - King Placements by Sopel, CCC, July 01, 2021 » NNUE Question

=External Links=
 * Sopel97 (Tomasz Sobczyk) · GitHub

Stockfish

 * GitHub - Sopel97/Stockfish: UCI chess engine
 * Update default net to nn-8a08400ed089.nnue by Sopel97 · Pull Request #3474 · official-stockfish/Stockfish · GitHub
 * Reduce the number of accumulator states from 3 to 2. Make the intent of the states clearer. by Sopel97 · Pull Request #3548 · official-stockfish/Stockfish · GitHub

Pytorch NNUE

 * GitHub - Sopel97/nnue-pytorch: NNUE (Chess evaluation) trainer in Pytorch
 * get rid of some nodchip code · Issue #73 · glinscott/nnue-pytorch · GitHub
 * Update and enhance information about additional feature factors. by Sopel97 · Pull Request #109 · glinscott/nnue-pytorch · GitHub
 * Update trainer to the new architecture. by Sopel97 · Pull Request #110 · glinscott/nnue-pytorch · GitHub

=References= Up one level