CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
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
2143600 games played by 2509 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 CPU.
Computed on December 7, 2019 with Bayeselo based on 2'143'600 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Pedone 1.9 64-bit 4CPU             3201  +17  -17  48.9%   +6.5  1008
  Pedone 1.8 64-bit 4CPU             3159  +18  -18  49.0%   +5.9   878
  Pedone 1.7 64-bit 4CPU             3136  +18  -18  47.4%  +16.9  1006
  Pedone 1.9 64-bit                  3134  +13  -13  48.2%  +10.6  1896
  Pedone 1.6 64-bit 4CPU             3115  +18  -18  49.5%   +0.7   966
  Pedone 1.8 64-bit                  3107  +14  -14  51.5%  -11.5  1721
  Pedone 1.5 64-bit 4CPU             3093  +17  -17  47.7%  +14.8  1151
  Pedone 1.4.1 64-bit 4CPU           3067  +20  -20  45.2%  +27.1   768
  Pedone 1.7 64-bit                  3053  +13  -13  49.4%   +1.2  2092
  Pedone 1.6 64-bit                  3033  +14  -14  50.8%   -6.7  1720
  Pedone 1.5 64-bit                  3021  +14  -14  50.1%   -2.6  1692
  Pedone 1.4.1 64-bit                2988  +14  -14  48.6%  +10.8  1770
  Pedone 1.2 64-bit                  2896  +18  -18  54.9%  -29.8  1029
  Pedone 1.3 64-bit                  2891  +17  -17  50.3%   -1.7  1199
  Pedone 1.1 64-bit                  2775  +18  -18  41.1%  +57.7  1037
  Pedone 1.0 64-bit                  2744  +20  -20  54.3%  -34.8   937
  Pedone 0.5 64-bit                  2569  +19  -19  53.4%  -23.9   991
  Pedone 0.4 64-bit                  2450  +20  -20  50.3%   -3.7   969

Created in 2005-2013 by CCRL team
Last games added on December 7, 2019