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Strong chess engine: Stockfish 16101021. New version!

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Stockfish - chess engines UCI

Previous version chess engine Stockfish 

Author compilation - Marco Costalba   

Information on the compilation:
Timestamp: 1476126059 

 AppVeyor: run bench after build 

 And show resulting bench signature. 

 The run is very slow becuase optimizations 
are all disabled by default /Od /RTC1 

 No functional change. 



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