CCRL 40/4
Downloads and Statistics
August 10, 2019
Testing summary:
Total: 2'081'140 games
played by 2'415 programs
27982 CPU days (X2 4600+)

White wins: 808'296 (38.8%)
Black wins: 653'685 (31.4%)
Draws: 619'159 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 18 engines!
18 selected engines played 30 games with each other



CCRL 40/4 Rating List - Custom engine selection
2081140 games played by 2415 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Computed on August 10, 2019 with Bayeselo based on 2'081'140 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Pedone 1.9 64-bit 4CPU             3193  +25  -25  49.6%   +2.4   471
  Pedone 1.8 64-bit 4CPU             3159  +18  -18  49.0%   +5.7   878
  Pedone 1.7 64-bit 4CPU             3136  +18  -18  47.4%  +17.1  1006
  Pedone 1.9 64-bit                  3131  +14  -14  47.4%  +14.7  1660
  Pedone 1.6 64-bit 4CPU             3116  +18  -18  49.5%   +0.6   966
  Pedone 1.8 64-bit                  3106  +14  -14  51.5%  -11.1  1721
  Pedone 1.5 64-bit 4CPU             3094  +17  -16  47.7%  +14.7  1151
  Pedone 1.4.1 64-bit 4CPU           3067  +20  -20  45.2%  +26.9   768
  Pedone 1.7 64-bit                  3052  +12  -12  49.4%   +1.5  2092
  Pedone 1.6 64-bit                  3032  +14  -14  50.8%   -6.5  1720
  Pedone 1.5 64-bit                  3020  +14  -14  50.1%   -2.3  1692
  Pedone 1.4.1 64-bit                2987  +14  -14  48.6%  +11.1  1770
  Pedone 1.2 64-bit                  2896  +18  -17  54.9%  -30.6  1029
  Pedone 1.3 64-bit                  2891  +17  -17  50.3%   -2.5  1199
  Pedone 1.1 64-bit                  2774  +18  -18  41.1%  +57.9  1037
  Pedone 1.0 64-bit                  2743  +20  -20  54.3%  -34.2   937
  Pedone 0.5 64-bit                  2569  +19  -19  53.4%  -24.4   991
  Pedone 0.4 64-bit                  2450  +20  -20  50.3%   -4.0   969

Created in 2005-2013 by CCRL team
Last games added on August 10, 2019