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Stockfish 15121419 - new development version very strong chess engine UCI

on
Stockfish - chess engines UCI

Previous version chess engine Stockfish 

Author compilation - Leonid Pechenik 


Information on the compilation:
Timestamp: 1450116052 
Simplify time management and fix 'ponder on' bug 

 Simplify time management code by removing hard stops for unchanging first root moves. 
Search is now stopped earlier at the end iteration if it did not have fail-lows at root. 

 This simplification also fixes pondering bug. Ponder flag was true by default 
and cutechess-cli doesn't change it to false even though no pondering is possible. 
Fix the issue by setting the default value of 'Ponder' flag to false. 

 10+0.1: 
ELO: 3.51 +-3.0 (95%) LOS: 99.0% 
Total: 20000 W: 3898 L: 3696 D: 12406 

 40+0.4: 
ELO: 1.39 +-2.7 (95%) LOS: 84.7% 
Total: 20000 W: 3104 L: 3024 D: 13872 

 60+0.06: 
LLR: 2.95 (-2.94,2.94) [-3.00,1.00] 
Total: 37231 W: 5333 L: 5236 D: 26662 

 Stopped run at 100+1: 
LLR: 1.09 (-2.94,2.94) [-3.00,1.00] 
Total: 37253 W: 4862 L: 4856 D: 27535 

 Resolves #523 
Fixes #510 


JCER=3256





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