-TC=4'+2"
-Hash=256 MB
-GUI: Arena 3.5.1
-Books: own cheng2015.cb book (for Cheng 4.40 x64) and Perfect_2010.abk (for Tucano 9.00_w64)
-default settings for both engines
-1 thread-CPU=Intel i5-7400-3GHz (Kaby Lake)
-TBS: 6-men Syzygy bases only for Tucano 9.00_w64
-OS: Windows 10 Home.
Tucano 9.00 x64 has 3029 Elo points (CCRL Blitz).
The rating for Cheng 4.40 x64 is around 2951 Elo points (in my single match test).
Cheng 4.40 x64 has 3004 Elo points (CCRL Blitz). The error (face to CCRL Blitz rating list) of my single match test is -53 Elo points.
Cheng 4.39 x64 has 2942 Elo points (CCRL Blitz).