Games: PGN
Test setup: details
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CCRL 40/40 Rating List - Custom engine selection
788871 games played by 2035 programs, run by 21 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz),
about 15 minutes on a modern Intel CPU.
Computed on February 3, 2018 with Bayeselo based on 788'871 games
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/4040/
Engine Elo + - Score AvOp Games
Scorpio 2.7.9 64-bit 4CPU 2952 +24 -24 45.2% +29.8 570
Scorpio 2.7.6 64-bit 4CPU 2878 +26 -26 47.5% +15.3 446
Scorpio 2.7.5 64-bit 4CPU 2862 +36 -36 44.1% +33.6 230
Scorpio 2.7.7 64-bit 4CPU 2860 +32 -32 42.9% +44.4 310