Chess engine: Zevra 1.8.5 build 664

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Zevra - UCI chess engine
Rating JCER=2134
Author - Oleg Smirnov 

 Version 1.8.5 - Improved recognition of three-fold repetition of the position, added estimates of mg-eg for pawns, minor changes in the search.

The gain is approximately 20-30 points in 60+0.6.

 Progress (JCER):
Zevra 1.8.4 - 2134,
Zevra 1.8.2 r612 - 1966,
Zevra 1.6 - 1801,
Zevra 1.5 r446 - 1739,
Zevra 1.4 r426 - 1635,
Zevra 1.2.1 r290 - 1592,
      All files (games, tables and engines) - download from page
Zevra 1.8.5 b664 - download

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