-TC=4'+2"
-Hash=256 MB
-GUI: Arena 3.5.1
-Book: IM_4mvs.abk (8 plies book) - for Fire_8_x64_pext and own TestBook.scb - for SlowChess Blitz 2.5 x64-AVX2
-default settings for both engines
-1 thread-CPU=Intel i5-7400-3GHz (Kaby Lake)
-TBS: 6-men Syzygy bases for both engines + EndgameBitbases.sbb+NeuralNets.snn for SlowChess Blitz 2.5 x64-AVX2
-OS: Windows 10 Home.
SlowChess Blitz 2.5 x64 has 3406 Elo points (CCRL Blitz).
Expected rating for Fire_8_x64_pext is around 3399 Elo points. +65 Elo points face to Fire 7.1 x64 (in my single match test).
Fire 7.1 x64 has 3334 Elo points (CCRL Blitz).