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Chess engine: BrainLearn 21.1 NNUE (Windows, Mac, Android and Linux)



BrainLearn - UCI chess engine
Rating CEDR=3726

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.21.1:
Stockfish patch
Fix stack initialization
This fixes a bug where on line 278 the Stack::staticEvals are initialized to 0. However VALUE_NONE is defined to be 32002 so this is a bug in master. It is probably due to the calculation of improvement, where staticEval prior to rootPos

Individual statistics: BrainLearn 19 - 260 games (+ 56,=197,-  7), 59.4 %
Stockfish 15                  :   3 (+  0,=  3,-  0), 50.0 %
Dragon 3                      :   8 (+  0,=  8,-  0), 50.0 %
Fisherov chess monk 1.2       :  25 (+  0,= 24,-  1), 48.0 %
Revenge 3.0                   :   2 (+  1,=  1,-  0), 75.0 %
BigBallz 010922               :   8 (+  2,=  5,-  1), 56.2 %
ProteusSF Piranha 220904      :  10 (+  0,=  8,-  2), 40.0 %
Rebel 15.1a                   :   2 (+  1,=  1,-  0), 75.0 %
Nebula-vortex 1.0             :   8 (+  1,=  6,-  1), 50.0 %
Koivisto 8.16                 :   4 (+  3,=  1,-  0), 87.5 %
Dark Sister 1.9b              :   2 (+  1,=  1,-  0), 75.0 %
StockNemo 5.7.0.0             :   2 (+  2,=  0,-  0), 100.0 %
Marvin 6.1.0                  :   2 (+  1,=  1,-  0), 75.0 %
Alexandria 3.0                :   2 (+  2,=  0,-  0), 100.0 %
Berserk 10                    :   8 (+  3,=  5,-  0), 68.8 %
Caissa 1.1                    :   2 (+  2,=  0,-  0), 100.0 %
Fire NN 1072022               :   2 (+  2,=  0,-  0), 100.0 %
Frozenight 5.1.0              :   2 (+  2,=  0,-  0), 100.0 %
Lynx 0.12.0                   :   2 (+  2,=  0,-  0), 100.0 %
Trinket 3.0.0                 :   2 (+  2,=  0,-  0), 100.0 %
Stockfish 101022 Ivec         :   4 (+  0,=  4,-  0), 50.0 %
CorChess 101022               :  13 (+  1,= 11,-  1), 50.0 %
Solista Attack 2              :  15 (+  0,= 15,-  0), 50.0 %
Fatalii 0.3.1                 :   2 (+  2,=  0,-  0), 100.0 %
Francesca 0.32                :   2 (+  1,=  1,-  0), 75.0 %
Halogen 11                    :  11 (+  5,=  6,-  0), 72.7 %
Polyfish 221009               :  12 (+  0,= 12,-  0), 50.0 %
Mayhem 7.4                    :   4 (+  4,=  0,-  0), 100.0 %
RubiChess 20221001            :  12 (+  4,=  8,-  0), 66.7 %
ShashChess 25                 :  14 (+  1,= 13,-  0), 53.6 %
Eman 8.40                     :  23 (+  0,= 23,-  0), 50.0 %
Smallbrain 6.0                :   5 (+  5,=  0,-  0), 100.0 %
Stockfish 161022              :  16 (+  0,= 16,-  0), 50.0 %
AI 27.0                       :   1 (+  0,=  1,-  0), 50.0 %
RapChess 2022-10-17           :   1 (+  1,=  0,-  0), 100.0 %
BlackCore 2.0                 :   1 (+  1,=  0,-  0), 100.0 %
Viridithas 3.0.0              :   1 (+  1,=  0,-  0), 100.0 %
Vafra 12.2 Cfish              :   1 (+  0,=  1,-  0), 50.0 %
ShashChess 25.1               :   1 (+  0,=  1,-  0), 50.0 %
YuliGM PrO 4.0                :   1 (+  0,=  1,-  0), 50.0 %
Stockfish 081022              :   6 (+  1,=  4,-  1), 50.0 %
SugaR AI 131022               :   2 (+  0,=  2,-  0), 50.0 %
Dark Sister 1.9d              :   6 (+  0,=  6,-  0), 50.0 %
CorChess 171022               :   2 (+  0,=  2,-  0), 50.0 %
Fritz 18 Neuronal             :   2 (+  2,=  0,-  0), 100.0 %
pHoBiA 4.0                    :   2 (+  0,=  2,-  0), 50.0 %
Spectral Tactical 1.40        :   2 (+  0,=  2,-  0), 50.0 %
Stockfish 14.1                :   2 (+  0,=  2,-  0), 50.0 %


 BrainLearn 21.1 - download
github:https://github.com/amchess/BrainLearn/releases/tag/21.1
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