Chess engine: Rubichess 1.8

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RubiChess -  UCI chess engine, Rating JCER=3056
Author - Andreas Matthies

 Three binaries now:
RubiChess-BMI2 for (Intel-)CPUs supporting the BMI2 instructions.
RubiChess for CPUs supporting POPCNT (use also on AMD CPUs)

RubiChess-Legacy for everything older
Rubichess 1.8 - download
All files (games, tables and engines) - download from page



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