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Chess engine: BrainLearn 18 NNUE (Windows, Android and Linux)

BrainLearn - UCI chess engine
Rating CEDR=3504

BrainLearn is a free, powerful UCI chess engine derived from BrainFish. It is not a complete chess program and requires a UCI-compatible GUI (e.g. XBoard with PolyGlot, Scid, Cute Chess, eboard, Arena, Sigma Chess, Shredder, Chess Partner or Fritz) in order to be used comfortably. Read the documentation for your GUI of choice for information about how to use Stockfish with it. 

v.18:
Cleaned code
Aigned with
Stockfish patch Jul 13 2022
Update default net to nn-ad9b42354671.nnue
using trainer branch glinscott/nnue-pytorch#208 with a slightly
tweaked loss function (power 2.5 instead of 2.6), otherwise same training as in
the previous net update #4100

Individual statistics: BrainLearn 17 - 264 games CEDR (+ 38,=224,-  2), 56.8 %
CorChess 180422               :   4 (+  0,=  4,-  0), 50.0 %
Raubfisch X48e                :   9 (+  0,=  9,-  0), 50.0 %
SugaR AI 2.50                 :   5 (+  0,=  5,-  0), 50.0 %
Kayra 1.3                     :  10 (+  0,= 10,-  0), 50.0 %
Koivisto 8.6                  :   6 (+  1,=  5,-  0), 58.3 %
Stockfish 15                  :  12 (+  0,= 12,-  0), 50.0 %
Fisherov 0.98k                :  34 (+  0,= 34,-  0), 50.0 %
Fisherov 0.98g                :   4 (+  0,=  4,-  0), 50.0 %
EMAN 7.93                     :  12 (+  0,= 12,-  0), 50.0 %
ShashChess 22                 :  28 (+  0,= 28,-  0), 50.0 %
Lc0 0.29.0-rc0                :   3 (+  0,=  3,-  0), 50.0 %
Weiawaga 5.0.0                :   2 (+  2,=  0,-  0), 100.0 %
Wasp 5.50                     :   6 (+  3,=  3,-  0), 75.0 %
Rebel 15                      :   4 (+  2,=  2,-  0), 75.0 %
Fisherov 0.98j                :   2 (+  0,=  2,-  0), 50.0 %
Eman 7.40                     :   2 (+  1,=  1,-  0), 75.0 %
Komodo 13.02                  :   6 (+  3,=  3,-  0), 75.0 %
Arasan 23.3                   :   4 (+  1,=  3,-  0), 62.5 %
Stockfish 030522              :   4 (+  0,=  4,-  0), 50.0 %
Zahak 10.0                    :   2 (+  2,=  0,-  0), 100.0 %
Hiarcs 15.5                   :   2 (+  1,=  1,-  0), 75.0 %
Protej 0.6.2                  :   2 (+  2,=  0,-  0), 100.0 %
Caissa 0.5                    :   2 (+  0,=  2,-  0), 50.0 %
Stash 33.0                    :   2 (+  1,=  1,-  0), 75.0 %
Avalanche 0.3a                :   2 (+  2,=  0,-  0), 100.0 %
Horowitz 2.1                  :   2 (+  2,=  0,-  0), 100.0 %
Rebel 15x2                    :   2 (+  2,=  0,-  0), 100.0 %
Minic 3.19                    :   2 (+  0,=  2,-  0), 50.0 %
StockfishMZ 170522            :   2 (+  0,=  2,-  0), 50.0 %
ProteusSF RBE 008             :   2 (+  1,=  1,-  0), 75.0 %
Nalwald 15                    :   2 (+  2,=  0,-  0), 100.0 %
Colossus 2022a                :   2 (+  2,=  0,-  0), 100.0 %
Swordfish 15.1                :   2 (+  0,=  2,-  0), 50.0 %
Rebel 14.2                    :   2 (+  2,=  0,-  0), 100.0 %
Seer 2.5                      :   2 (+  2,=  0,-  0), 100.0 %
Blue Marlin 15.1              :   2 (+  0,=  2,-  0), 50.0 %
Berserk 9-dev e68765ea32a3    :   2 (+  1,=  1,-  0), 75.0 %
CorChess 290522               :  20 (+  0,= 19,-  1), 47.5 %
Fisherov chess monk 1.1       :  20 (+  0,= 20,-  0), 50.0 %
Vafra 3.3.2                   :   2 (+  2,=  0,-  0), 100.0 %
Koivisto 8.8                  :   2 (+  1,=  1,-  0), 75.0 %
Swordfish 15.2                :   1 (+  0,=  1,-  0), 50.0 %
Kayra 1.4                     :   1 (+  0,=  1,-  0), 50.0 %
Halogen 10.22                 :   2 (+  0,=  2,-  0), 50.0 %
Stockfish 070622              :  20 (+  0,= 19,-  1), 47.5 %
CorChess 080622               :   1 (+  0,=  1,-  0), 50.0 %
EMAN 8.03                     :   1 (+  0,=  1,-  0), 50.0 %
Fisherov chess monk 1.2       :   1 (+  0,=  1,-  0), 50.0 %


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