My comparative test Dragon 3 vs. Dragon 2.6

[Sylwy]

Like marker - the well known Fat Titzy 2 !

Tests conditions:

-TC=4'+2"
-Hash=256 MB
-GUI: Arena 3.5.1
-Books: SuperGM_4mvs.abk (8 plies book) for both engines
-default settings for both engines
-1 thread-CPU=Intel i5-7400-3GHz (Kaby Lake)
-TBS: 6-men Syzygy bases for both engines
-OS: Windows 10 Home.

Dragon 3
=======





+0 -14 =86

-49 Elo points

Dragon 2.6
=========





+1 -19 =80

-63 Elo points

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Next:

[Sylwy]

Dragon 3 vs. Dragon 2.6 :
======================

A. +14 (63-49) Elo points in my very short 100 games match (see the above post)

B. +15 Elo points (3763-3748) in Stefan Pohl rating list (very close to my result):



C. +31 Elo points ( ) (3685-3654) in CCRL Blitz rating list:




Where is the truth ?