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Created page with "'''Home * People * Tomasz Sobczyk''' '''Tomasz Sobczyk''', (Sopel97, Sopel)<br/> a Polish computer scientist involved in recent Stockfish development an..."
'''[[Main Page|Home]] * [[People]] * Tomasz Sobczyk'''
'''Tomasz Sobczyk''', (Sopel97, Sopel)<br/>
a Polish computer scientist involved in recent [[Stockfish]] development and documentation concerning [[NNUE]]
<ref>[https://github.com/glinscott/nnue-pytorch/blob/master/docs/nnue.md NNUE Guide (nnue-pytorch/nnue.md at master · glinscott/nnue-pytorch · GitHub)] hosted by [[Gary Linscott]]</ref>.
He introduced new net architectures using the HalfKAv2 feature set <ref>[https://github.com/official-stockfish/Stockfish/pull/3474 Update default net to nn-8a08400ed089.nnue by Sopel97 · Pull Request #3474 · official-stockfish/Stockfish · GitHub]</ref> <ref>[https://github.com/glinscott/nnue-pytorch/blob/master/docs/nnue.md#halfkav2-feature-set nnue-pytorch/nnue.md at master · glinscott/nnue-pytorch · GitHub - HalfKAv2 feature set]</ref>,
optimized the NNUE inference code for various [[SIMD and SWAR Techniques#SIMD Instruction Sets|SIMD instruction sets]] <ref>[https://github.com/official-stockfish/Stockfish/pull/3203 Optimization of the affine transformations. by Sopel97 · Pull Request #3203 · official-stockfish/Stockfish · GitHub]</ref>,
and contributed to [[Gary Linscott|Gary Linscott's]] [[Gary Linscott#PyTorch NNUE|Pytorch NNUE]] project to train Stockfish
<ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77503&start=55 Re: will Tcec allow Stockfish with a Leela net to play?] by [[Connor McMonigle]], [[CCC]], June 17, 2021</ref>.
=Forum Posts=
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=73319&start=30 Re: Removing Large Arrays] by [[Tomasz Sobczyk|Sopel]], [[CCC]], March 12, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=73638&start=21 Re: Compiler Optimization Question] by [[Tomasz Sobczyk|Sopel]], [[CCC]], April 14, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76730&start=22 Re: An actual interesting computer chess read about FF2] by [[Tomasz Sobczyk|Sopel]], [[CCC]], February 28, 2021
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76826&start=45 Re: It walks like a clone, it quacks like a clone ...] by [[Tomasz Sobczyk|Sopel]], [[CCC]], March 14, 2021
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77095&start=5 Re: larger nets for SF?] by [[Tomasz Sobczyk|Sopel]], [[CCC]], April 16, 2021
=External Links=
* [https://github.com/Sopel97 Sopel97 (Tomasz Sobczyk) · GitHub]
==Stockfish==
* [https://github.com/Sopel97/Stockfish GitHub - Sopel97/Stockfish: UCI chess engine]
* [https://github.com/official-stockfish/Stockfish/pull/3474 Update default net to nn-8a08400ed089.nnue by Sopel97 · Pull Request #3474 · official-stockfish/Stockfish · GitHub]
* [https://github.com/official-stockfish/Stockfish/pull/3548 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==
* [https://github.com/Sopel97/nnue-pytorch GitHub - Sopel97/nnue-pytorch: NNUE (Chess evaluation) trainer in Pytorch]
* [https://github.com/glinscott/nnue-pytorch/issues/73 get rid of some nodchip code · Issue #73 · glinscott/nnue-pytorch · GitHub]
* [https://github.com/glinscott/nnue-pytorch/pull/109 Update and enhance information about additional feature factors. by Sopel97 · Pull Request #109 · glinscott/nnue-pytorch · GitHub]
* [https://github.com/glinscott/nnue-pytorch/pull/110 Update trainer to the new architecture. by Sopel97 · Pull Request #110 · glinscott/nnue-pytorch · GitHub]
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Programmer|Sobczyk]]
[[Category:Stockfish Contributor|Sobczyk]]
'''Tomasz Sobczyk''', (Sopel97, Sopel)<br/>
a Polish computer scientist involved in recent [[Stockfish]] development and documentation concerning [[NNUE]]
<ref>[https://github.com/glinscott/nnue-pytorch/blob/master/docs/nnue.md NNUE Guide (nnue-pytorch/nnue.md at master · glinscott/nnue-pytorch · GitHub)] hosted by [[Gary Linscott]]</ref>.
He introduced new net architectures using the HalfKAv2 feature set <ref>[https://github.com/official-stockfish/Stockfish/pull/3474 Update default net to nn-8a08400ed089.nnue by Sopel97 · Pull Request #3474 · official-stockfish/Stockfish · GitHub]</ref> <ref>[https://github.com/glinscott/nnue-pytorch/blob/master/docs/nnue.md#halfkav2-feature-set nnue-pytorch/nnue.md at master · glinscott/nnue-pytorch · GitHub - HalfKAv2 feature set]</ref>,
optimized the NNUE inference code for various [[SIMD and SWAR Techniques#SIMD Instruction Sets|SIMD instruction sets]] <ref>[https://github.com/official-stockfish/Stockfish/pull/3203 Optimization of the affine transformations. by Sopel97 · Pull Request #3203 · official-stockfish/Stockfish · GitHub]</ref>,
and contributed to [[Gary Linscott|Gary Linscott's]] [[Gary Linscott#PyTorch NNUE|Pytorch NNUE]] project to train Stockfish
<ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77503&start=55 Re: will Tcec allow Stockfish with a Leela net to play?] by [[Connor McMonigle]], [[CCC]], June 17, 2021</ref>.
=Forum Posts=
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=73319&start=30 Re: Removing Large Arrays] by [[Tomasz Sobczyk|Sopel]], [[CCC]], March 12, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=73638&start=21 Re: Compiler Optimization Question] by [[Tomasz Sobczyk|Sopel]], [[CCC]], April 14, 2020
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76730&start=22 Re: An actual interesting computer chess read about FF2] by [[Tomasz Sobczyk|Sopel]], [[CCC]], February 28, 2021
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76826&start=45 Re: It walks like a clone, it quacks like a clone ...] by [[Tomasz Sobczyk|Sopel]], [[CCC]], March 14, 2021
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77095&start=5 Re: larger nets for SF?] by [[Tomasz Sobczyk|Sopel]], [[CCC]], April 16, 2021
=External Links=
* [https://github.com/Sopel97 Sopel97 (Tomasz Sobczyk) · GitHub]
==Stockfish==
* [https://github.com/Sopel97/Stockfish GitHub - Sopel97/Stockfish: UCI chess engine]
* [https://github.com/official-stockfish/Stockfish/pull/3474 Update default net to nn-8a08400ed089.nnue by Sopel97 · Pull Request #3474 · official-stockfish/Stockfish · GitHub]
* [https://github.com/official-stockfish/Stockfish/pull/3548 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==
* [https://github.com/Sopel97/nnue-pytorch GitHub - Sopel97/nnue-pytorch: NNUE (Chess evaluation) trainer in Pytorch]
* [https://github.com/glinscott/nnue-pytorch/issues/73 get rid of some nodchip code · Issue #73 · glinscott/nnue-pytorch · GitHub]
* [https://github.com/glinscott/nnue-pytorch/pull/109 Update and enhance information about additional feature factors. by Sopel97 · Pull Request #109 · glinscott/nnue-pytorch · GitHub]
* [https://github.com/glinscott/nnue-pytorch/pull/110 Update trainer to the new architecture. by Sopel97 · Pull Request #110 · glinscott/nnue-pytorch · GitHub]
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Programmer|Sobczyk]]
[[Category:Stockfish Contributor|Sobczyk]]
