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Chess engine: Polyfish 230202 (based on Stockfish) for Windows and Linux

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Polyfish is a UCI chess engine based on Stockfish. Rating CEDR=3722
It is identical to Stockfish with the added capability of handling Polyglot,

Polyfish supports two polyglot BIN books at the same time. The second book is only probed if the first book has no moves for the given position. The engine starts searching only if no move is found in either the first book or the second book.

Individual statistics: Polyfish 221009 - 520 games (+120,=390,- 10), 60.6  %
Critter 1.6a                  :   1 (+  1,=  0,-  0), 100.0 %
Xiphos 0.6.1                  :   2 (+  1,=  1,-  0), 75.0 %
SugaR AI 2.50                 :   2 (+  0,=  2,-  0), 50.0 %
Stockfish 15                  :   9 (+  1,=  8,-  0), 55.6 %
Dragon 3                      :  10 (+  3,=  7,-  0), 65.0 %
Hiarcs 15.5                   :   2 (+  2,=  0,-  0), 100.0 %
Little Goliath 3.15.4         :   1 (+  1,=  0,-  0), 100.0 %
RofChade 3.0                  :   3 (+  3,=  0,-  0), 100.0 %
Fisherov chess monk SE        :   6 (+  0,=  6,-  0), 50.0 %
Raubfisch X48d3               :   2 (+  0,=  2,-  0), 50.0 %
Igel 3.1.0                    :   2 (+  2,=  0,-  0), 100.0 %
Slowchess 2.9                 :   3 (+  1,=  2,-  0), 66.7 %
Fisherov chess monk 1.2       :  27 (+  0,= 26,-  1), 48.1 %
Nemorino 6.00                 :   2 (+  2,=  0,-  0), 100.0 %
Spectral Tactical 1.0         :   2 (+  0,=  2,-  0), 50.0 %
Fritz 18                      :   2 (+  2,=  0,-  0), 100.0 %
Dragon 3.1 by Komodo          :  15 (+  2,= 13,-  0), 56.7 %
Revenge 3.0                   :   8 (+  4,=  4,-  0), 75.0 %
Swordfish 15.3a               :   2 (+  0,=  2,-  0), 50.0 %
BigBallz 010922               :  16 (+  3,= 13,-  0), 59.4 %
ShashChess 24                 :   6 (+  1,=  4,-  1), 50.0 %
ProteusSF Piranha 220904      :  26 (+  1,= 23,-  2), 48.1 %
Booot 7.0                     :   2 (+  2,=  0,-  0), 100.0 %
Rebel 15.1a                   :   2 (+  2,=  0,-  0), 100.0 %
Nebula-vortex 1.0             :  16 (+  0,= 15,-  1), 46.9 %
Kayra 1.6                     :   2 (+  0,=  2,-  0), 50.0 %
Koivisto 8.16                 :  13 (+  4,=  9,-  0), 65.4 %
Dark Sister 1.9b              :   4 (+  2,=  1,-  1), 62.5 %
StockNemo 5.7.0.0             :   2 (+  1,=  1,-  0), 75.0 %
Marvin 6.1.0                  :   2 (+  2,=  0,-  0), 100.0 %
Kookaburra 1.00               :   6 (+  1,=  4,-  1), 50.0 %
Eubos 2.14                    :   2 (+  2,=  0,-  0), 100.0 %
Alexandria 3.0                :   2 (+  2,=  0,-  0), 100.0 %
Berserk 10                    :  16 (+  8,=  8,-  0), 75.0 %
Caissa 1.1                    :   2 (+  1,=  1,-  0), 75.0 %
CorChess 031022               :   2 (+  1,=  0,-  1), 50.0 %
Fire NN 1072022               :   4 (+  2,=  2,-  0), 75.0 %
Frozenight 5.1.0              :   4 (+  3,=  1,-  0), 87.5 %
Lynx 0.12.0                   :   2 (+  2,=  0,-  0), 100.0 %
Trinket 3.0.0                 :   4 (+  4,=  0,-  0), 100.0 %
Stockfish 101022 Ivec         :   4 (+  0,=  4,-  0), 50.0 %
CorChess 101022               :  16 (+  1,= 15,-  0), 53.1 %
Solista Attack 2              :  22 (+  2,= 19,-  1), 52.3 %
Eggnog 4.0                    :   2 (+  2,=  0,-  0), 100.0 %
Fatalii 0.3.1                 :   4 (+  4,=  0,-  0), 100.0 %
Francesca 0.32                :   4 (+  4,=  0,-  0), 100.0 %
Halogen 11                    :   8 (+  7,=  1,-  0), 93.8 %
Mayhem 7.4                    :   6 (+  6,=  0,-  0), 100.0 %
BrainLearn 19                 :  12 (+  0,= 12,-  0), 50.0 %
RubiChess 20221001            :   8 (+  4,=  4,-  0), 75.0 %
ShashChess 25                 :  10 (+  0,= 10,-  0), 50.0 %
Eman 8.40                     :  17 (+  0,= 17,-  0), 50.0 %
Smallbrain 6.0                :   4 (+  4,=  0,-  0), 100.0 %
Stockfish 161022              :   8 (+  0,=  8,-  0), 50.0 %
AI 27.0                       :   6 (+  1,=  5,-  0), 58.3 %
YuliGM PrO 4.0                :   8 (+  0,=  8,-  0), 50.0 %
Seer 2.6                      :   2 (+  2,=  0,-  0), 100.0 %
CorChess 241022               :   8 (+  0,=  8,-  0), 50.0 %
Blue Marlin 15.4              :  10 (+  0,= 10,-  0), 50.0 %
BrainLearn 19.1               :   2 (+  0,=  2,-  0), 50.0 %
Caissa 1.2                    :   2 (+  2,=  0,-  0), 100.0 %
ShashChess 25.2               :   8 (+  0,=  8,-  0), 50.0 %
Kookaburra 1.01               :   4 (+  0,=  4,-  0), 50.0 %
Zeus 27.0                     :   2 (+  0,=  2,-  0), 50.0 %
Spectral Tactical 1.21        :   6 (+  1,=  5,-  0), 58.3 %
Solista Attack 1.1            :   2 (+  0,=  2,-  0), 50.0 %
Stockfish 081022              :  14 (+  2,= 11,-  1), 53.6 %
SugaR AI 131022               :   2 (+  1,=  1,-  0), 75.0 %
Dark Sister 1.9d              :   8 (+  1,=  7,-  0), 56.2 %
CorChess 171022               :   2 (+  0,=  2,-  0), 50.0 %
pHoBiA 4.0                    :   2 (+  0,=  2,-  0), 50.0 %
Spectral Tactical 1.40        :   2 (+  0,=  2,-  0), 50.0 %
Cool Iris 5.0                 :   4 (+  0,=  4,-  0), 50.0 %
Spectral Tactical 1.50        :   4 (+  0,=  4,-  0), 50.0 %
Stockfish 241022              :   6 (+  1,=  5,-  0), 58.3 %
Cool Iris 5.1                 :   2 (+  0,=  2,-  0), 50.0 %
pHoBiA 4.1                    :   2 (+  0,=  2,-  0), 50.0 %
SF Halloween 2022             :   2 (+  1,=  1,-  0), 75.0 %
Spectral Tactical 1.60        :   2 (+  0,=  2,-  0), 50.0 %
Stockfish 14.1                :   2 (+  0,=  2,-  0), 50.0 %
Stockfish 301022              :   2 (+  0,=  2,-  0), 50.0 %
SF PB 301022                  :   4 (+  0,=  4,-  0), 50.0 %
Stockfish 061122 Ivec         :   2 (+  0,=  2,-  0), 50.0 %
CorChess 061122               :   2 (+  0,=  2,-  0), 50.0 %
Kayra 1.7                     :   4 (+  0,=  4,-  0), 50.0 %
Caissa 1.3                    :   4 (+  2,=  2,-  0), 75.0 %
ShashChess 26                 :   4 (+  0,=  4,-  0), 50.0 %
Brainlearn 20                 :   3 (+  0,=  3,-  0), 50.0 %
Fat Titz 161221               :   2 (+  0,=  2,-  0), 50.0 %
Alexandria 3.0.2              :   1 (+  1,=  0,-  0), 100.0 %
RubiChess 20221120            :   3 (+  0,=  3,-  0), 50.0 %
Stockfish dev-20221120        :   2 (+  0,=  2,-  0), 50.0 %
Stockfish dev-20221123        :   2 (+  0,=  2,-  0), 50.0 %
CorChess 20221121             :   3 (+  0,=  3,-  0), 50.0 %
Reksio                        :   2 (+  0,=  2,-  0), 50.0 %
KillFish CTR Hybrid v1.4      :   2 (+  0,=  2,-  0), 50.0 %
Genko 1.0a                    :   1 (+  0,=  1,-  0), 50.0 %
Viridithas 5.1.0              :   1 (+  1,=  0,-  0), 100.0 %
Rebel 16                      :   1 (+  1,=  0,-  0), 100.0 %


github:https://github.com/khalid-a-omar/Polyfish/releases/tag/20230202

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