CCRL 40/15
Downloads and Statistics
February 28, 2021
Testing summary:
Total: 1'220'774 games
played by 2'799 programs

White wins: 419'368 (34.4%)
Black wins: 308'512 (25.3%)
Draws: 492'894 (40.4%)
White score: 54.5%

Open source 32-bit 4-CPU engines

Comparing 9 engines!
9 selected engines played 67 games with each other



CCRL 40/15 Rating List - Open source 32-bit 4-CPU engines
1220774 games played by 2799 programs, run by 23 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Computed on February 28, 2021 with Bayeselo based on 1'220'774 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
ChessBrainVB 3.72 4CPU                  3167  +30  -30  45.0%  +30.1   320
  ChessBrainVB 3.74 4CPU                  3163 +128 -130  46.9%  +18.0    16
  ChessBrainVB 3.68 4CPU                  3123  +26  -26  49.2%   +4.1   428
  ChessBrainVB 3.66 4CPU                  3105  +28  -28  54.2%  -27.1   378
Toga II 3.0 4CPU                        2918  +22  -22  45.6%  +27.3   592
  Toga II 1.4.1SE 4CPU                    2903  +13  -13  48.5%  +10.9  2041
  Toga II 1.4 beta5c 4CPU                 2884  +18  -18  51.7%  -11.6   996
Scorpio 2.0 32-bit 4CPU                 2731  +24  -24  33.4% +114.9   607
Nemeton 1.8 4CPU                        2530  +27  -27  49.9%   +1.7   496

Created in 2005-2013 by CCRL team
Last games added on February 28, 2021