-TC=4'+2"
-Hash=256 MB
-GUI: Arena 3.5.1
-Book: IM_4mvs.abk (8 plies book) for both engines
-default settings for both engines
-1 thread-CPU=Intel i5-7400-3GHz (Kaby Lake)
-6-men Syzygy bases for both engines.
+156 Elo points. Zero defeats ! Exactly like Stockfish_12_win_x64_bmi2.
As an observation: CFish_050920_E_BMI2_Haswell has a very good speed (C language, optimizations......).
Sunday night the result of my test with CFish_x64_050920_E_AVX2-Ryzen. A famous version.