Chess engine: Drofa 3.0 (Windows and Lunix)

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Drofa - UCI chess engine (written in C++11), Author: Alexander Litov.
Rating JCER=2662
Drofa started as fork of the Shallow Blue chess engine. 

v.3.0:
Tuning of the evaluation features
Several new evaluation features added
SEE implemented
Aspiration window implemented
Lazy SMP implemented
Drofa 3.0.0 is ~250 - 300 elo stronger than Drofa 2.2.0:


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