CCRL 40/40 Rating List - Custom engine selection
947217 games played by 2311 programs, run by 22 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 December 22, 2018 with Bayeselo based on 947'217 games
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/4040/
Engine Elo + - Score AvOp Games
Googleplex Starthinker 1.4 64-bit 2322 +22 -22 58.7% -67.1 814
Squared-chess 1.3.0 64-bit 2052 +23 -23 52.4% -18.3 736
Squared-chess 1.2.0 64-bit 1982 +21 -22 48.5% +11.9 852