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stockfish of the neural network

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SF 14 NNUE is now available on Lichess! Should work for Chrome and Firefox. Other browsers and mobile browsers can still use the previous default versions.
stockfish of the neural network - Page 12 21-08-2021-000244

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]Author: bmc4
Date: Sun Aug 22 09:15:19 2021 +0200
Timestamp: 1629616519

Author: SFisGOD
Date: Sun Aug 22 09:09:58 2021 +0200
Timestamp: 1629616198

Update default net to nn-517c4f68b5df.nnue

Author: candirufish
Date: Sun Aug 22 09:05:53 2021 +0200
Timestamp: 1629615953

https://abrok.eu/stockfish/

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thank you, lisandr.

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SF-PB-220821x64, with support for Polyglot Books (.bin), i've updated it till the last patch "Simplify Declaration on Pawn Move Generation".
Compiled by ChessMan, books support added by Marco Zerbinati!!
https://pixeldrain.com/u/5GNrr6Sy

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super, thank you, ChessFan1,
will you compile it on android ver.
we'll be waiting.

descriptionstockfish of the neural network - Page 12 EmptyRe: stockfish of the neural network

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Thanks a lot for providing bmi2 binary for this sopel 97 release.
At first I didn’t mention this engine
Because I considered that it couldn’t
Have bmi2. But now I have used it and it’s a very nice and strong engine.

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@Homayoun wrote:
Thanks a lot for providing bmi2 binary for this sopel 97 release.
At first I didn’t mention this engine
Because I considered that it couldn’t
Have bmi2. But now I have used it and it’s a very nice and strong engine.
excuse me this post is related to stockfish with sopel 97 net and it shouldn’t be here.

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Author: SFisGOD
Date: Fri Aug 27 07:51:26 2021 +0200
Timestamp: 1630043486

Update default net to nn-33495fe25081.nnue




Author: ppigazzini
Date: Fri Aug 27 07:49:26 2021 +0200
Timestamp: 1630043366

Author: Joost VandeVondele
Date: Fri Aug 27 07:48:18 2021 +0200
Timestamp: 1630043298

https://abrok.eu/stockfish/

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A lot of ELO

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I ask an expert.
My PC:
CPU: Intel core i7-5820K
Frequency: 3300.0 MHz
Stepping: R2
Codename: Haswell-E
Platform: Socket R3 (LGA2011-3)
Cache: 6x32 + 6x32 + 6x256 + 15

Which uci engine is preeferable to use?
(I am using the .bm2)
- Windows x64 for Haswell CPUs
- Windows x64 for modern computers + AVX2
- Windows x64 for modern computers
- Windows x64 + SSSE3
- Windows x64

Thanks in advance

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ShessMann:


SF-PB-270821x64, with support for Polyglot Books (.bin)
SRC's updated by Skynet

Author: SFisGOD
Date: Fri Aug 27 07:51:26 2021 +0200
Timestamp: 1630043486

Update default net to nn-33495fe25081.nnue

Bench: 5179347


Скачать: https://pixeldrain.com/u/FcpqGzPF

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@francoal wrote:
I ask an expert.
My PC:
 CPU: Intel core i7-5820K
 Frequency: 3300.0 MHz
 Stepping: R2
 Codename: Haswell-E
 Platform: Socket R3 (LGA2011-3)
 Cache: 6x32 + 6x32 + 6x256 + 15

Which uci engine is preeferable to use?
(I am using the .bm2)
- Windows x64 for Haswell CPUs
- Windows x64 for m

odern computers + AVX2
- Windows x64 for modern computers
- Windows x64 + SSSE3b
- Windows x64

Thanks in advance


BMI2

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Author: VoyagerOne
Date: Fri Aug 27 21:41:32 2021 +0200
Timestamp: 1630093292

CMH Pruning Tweak

Tweak pruning formula by adding up CMH values.

STC:
LLR: 2.94 (-2.94,2.94) <-0.50,2.50>
Total: 14608 W: 3837 L: 3641 D: 7130 Elo +4.66
Ptnml(0-2): 27, 1681, 3723, 1815, 58
https://tests.stockfishchess.org/tests/view/612792f362d20cf82b5ad156

LTC:
LLR: 2.94 (-2.94,2.94) <0.50,3.50>
Total: 53520 W: 13580 L: 13276 D: 26664 Elo +1.97
Ptnml(0-2): 28, 5610, 15183, 5908, 31
https://tests.stockfishchess.org/tests/view/6127d27062d20cf82b5ad191

closes https://github.com/official-stockfish/Stockfish/pull/3682

Bench: 5186641

https://abrok.eu/stockfish/

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SF-PB-270821x64, with support for Polyglot Books (.bin)
SRC's updated by ChessFan1, compiled by ChesMan!

Author: SFisGOD
Date: Fri Aug 27 07:51:26 2021 +0200
Timestamp: 1630043486

Update default net to nn-33495fe25081.nnue

Bench: 5179347


Download x64bit: https://pixeldrain.com/u/FcpqGzPF


32-bit builds:

https://pixeldrain.com/u/QMNFPDdy

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Thank you, ChessFan1, waiting for android version.

descriptionstockfish of the neural network - Page 12 EmptyRe: stockfish of the neural network

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@lisandr wrote:
ShessMann:


SF-PB-270821x64, with support for Polyglot Books (.bin)
SRC's updated by Skynet

Author: SFisGOD
Date: Fri Aug 27 07:51:26 2021 +0200
Timestamp: 1630043486

Update default net to nn-33495fe25081.nnue

Bench: 5179347


Скачать: https://pixeldrain.com/u/FcpqGzPF

Lol, i just saw your post..

descriptionstockfish of the neural network - Page 12 EmptyRe: stockfish of the neural network

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@ChessFan1 wrote:
@lisandr wrote:
ShessMann:


SF-PB-270821x64, with support for Polyglot Books (.bin)
SRC's updated by Skynet

Author: SFisGOD
Date: Fri Aug 27 07:51:26 2021 +0200
Timestamp: 1630043486

Update default net to nn-33495fe25081.nnue

Bench: 5179347


Скачать: https://pixeldrain.com/u/FcpqGzPF

Lol, i just saw your post..


This Stockfish-PB is amazingly strong at super blitz, the faster the better..

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Hopely there would be an Android version for this engine 🙏

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Author: SFisGOD
Date: Tue Aug 31 12:56:19 2021 +0200
Timestamp: 1630407379

Update default net to nn-735bba95dec0.nnue

https://abrok.eu/stockfish/

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Author: Stefan Geschwentner
Date: Mon Sep 6 14:19:47 2021 +0200
Timestamp: 1630930787

Author: SFisGOD
Date: Mon Sep 6 14:08:22 2021 +0200
Timestamp: 1630930102

Update default net to nn-6762d36ad265.nnue

Author: Michael Chaly
Date: Mon Sep 6 13:59:17 2021 +0200
Timestamp: 1630929557

Extend captures and promotions

https://abrok.eu/stockfish/

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From ChessMan.
My compilation of SF-PB-060921 x32-x64
with support for Polyglot Books (.bin)
SRC's updated by ChessFan1


Author: Stefan Geschwentner
Date: Mon Sep 6 14:19:47 2021 +0200
Timestamp: 1630930787

Improve history updates

If a search failed low at an expected PV or CUT node do greater history updates.


Download: https://pixeldrain.com/u/V4bJH1Cc

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Solid ,stable and very strong. Thanks to author and chessfan for sharing.

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Author: Stefan Geschwentner
Date: Tue Sep 7 19:59:14 2021 +0200
Timestamp: 1631037554

Further improve history updates

Now even double history updates if a search failed low at an expected PV or CUT node.

STC:
LLR: 2.93 (-2.94,2.94) <-0.50,2.50>
Total: 30736 W: 7891 L: 7674 D: 15171 Elo +2.45
Ptnml(0-2): 90, 3477, 8017, 3694, 90
https://tests.stockfishchess.org/tests/view/61364ae30cd98ab40c0c9da5

LTC:
LLR: 2.94 (-2.94,2.94) <0.50,3.50>
Total: 73600 W: 18684 L: 18326 D: 36590 Elo +1.69
Ptnml(0-2): 41, 7734, 20899, 8078, 48
https://tests.stockfishchess.org/tests/view/6136940f0cd98ab40c0c9df3

closes https://github.com/official-stockfish/Stockfish/pull/3694

Bench: 6030657

https://abrok.eu/stockfish/

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ChessMan:

My compilation of SF-PB-120921 x32-x64
with support for Polyglot Books (.bin)
SRC's updated by Skynet


Author: Michael Chaly
Date: Fri Sep 10 11:50:43 2021 +0200
Timestamp: 1631267443

Decrease depth for cutnodes with no tt move

By analogy to existing logic of decreasing depth for PvNodes w/o tt move
do the same for cutNodes.


Bench 5891181

Download: https://pixeldrain.com/u/gkoabreF

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Author: xoto10
Date: Sun Sep 12 18:03:56 2021 +0200
Timestamp: 1631462636

Update 2 search parameters after tune.

A tuning run on 3 search parameters was done with 200k games, narrow ranges (50-150%) and a small value for A (3% of total games) :
https://tests.stockfishchess.org/tests/view/613b5f4b689039fce12e1220

STC 10+0.1 :
LLR: 2.95 (-2.94,2.94) <-0.50,2.50>
Total: 73112 W: 18800 L: 18520 D: 35792 Elo +1.33
Ptnml(0-2): 205, 8395, 19115, 8597, 244
https://tests.stockfishchess.org/tests/view/613cb8d2689039fce12e1308

LTC 60+0.6 :
LLR: 2.95 (-2.94,2.94) <0.50,3.50>
Total: 45616 W: 11604 L: 11321 D: 22691 Elo +2.16
Ptnml(0-2): 24, 4769, 12946, 5038, 31
https://tests.stockfishchess.org/tests/view/613d07048253e53e97b55b32

closes https://github.com/official-stockfish/Stockfish/pull/3698

Bench 6504816

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