CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 3 engines!
3 selected engines played 0 games with each other



CCRL 40/4 Rating List - Custom engine selection
2097576 games played by 2442 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Computed on September 14, 2019 with Bayeselo based on 2'097'576 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Invictus r228 64-bit 4CPU          2376  +33  -32  56.6%  -47.4   335
  Invictus r228 64-bit               2257  +24  -24  50.2%   -1.1   646
  Invictus 0.001 64-bit              2128  +19  -19  45.6%  +33.4  1086

Created in 2005-2013 by CCRL team
Last games added on September 14, 2019