CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 17 engines!
17 selected engines played 95 games with each other



CCRL 40/4 Rating List - Custom engine selection
2115766 games played by 2468 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 October 12, 2019 with Bayeselo based on 2'115'766 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Critter 1.6a 64-bit 4CPU           3233   +8   -7  46.3%  +24.2  7239
  Critter 1.2 64-bit 4CPU            3209  +16  -16  68.6% -131.9  1331
  Critter 1.6a 64-bit                3158   +6   -7  43.9%  +47.0  9303
  Critter 1.01 64-bit 4CPU           3156  +17  -17  66.0% -112.2  1248
  Critter 1.4 64-bit                 3142  +15  -15  65.5% -114.2  1679
  Critter 0.90 64-bit 4CPU           3128  +15  -15  64.5%  -98.7  1619
  Critter 1.2 64-bit                 3120  +16  -16  69.6% -151.2  1627
  Critter 1.01 64-bit                3077  +19  -19  73.3% -181.2  1092
  Critter 0.80 64-bit 4CPU           3070  +17  -17  58.6%  -57.7  1149
  Critter 0.90 64-bit                3050  +16  -16  62.9% -102.5  1611
  Critter 0.70 64-bit 4CPU           3037  +24  -23  51.1%   -7.1   567
  Critter 0.80 64-bit                2991  +21  -20  74.4% -189.2  1007
  Critter 0.70 64-bit                2974  +18  -18  73.9% -195.6  1425
  Critter 0.60 64-bit 4CPU           2912  +23  -23  37.3%  +89.4   649
  Critter 0.60 64-bit                2866  +17  -17  46.6%  +24.5  1249
  Critter 0.52 64-bit                2794  +22  -21  64.5% -101.5   797
  Critter 0.40 32-bit                2568  +20  -20  55.5%  -66.1   974

Created in 2005-2013 by CCRL team
Last games added on October 12, 2019