CCRL 40/15
Downloads and Statistics
March 8, 2021
Testing summary:
Total: 1'223'546 games
played by 2'800 programs

White wins: 420'224 (34.3%)
Black wins: 308'992 (25.3%)
Draws: 494'330 (40.4%)
White score: 54.5%

Free 32-bit 4-CPU engines

Comparing 17 engines!
17 selected engines played 508 games with each other



CCRL 40/15 Rating List - Free 32-bit 4-CPU engines
1223546 games played by 2800 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 March 8, 2021 with Bayeselo based on 1'223'546 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
ChessBrainVB 3.72 4CPU                  3166  +30  -30  45.0%  +30.7   320
  ChessBrainVB 3.74 4CPU                  3163 +128 -130  46.9%  +18.0    16
  ChessBrainVB 3.68 4CPU                  3123  +26  -26  49.2%   +3.8   428
  ChessBrainVB 3.66 4CPU                  3105  +28  -28  54.2%  -27.2   378
Spike 1.4 Leiden 4CPU                   3015  +11  -11  45.2%  +29.8  2862
Toga II 3.0 4CPU                        2918  +22  -23  45.6%  +27.0   592
  Toga II 1.4.1SE 4CPU                    2903  +13  -13  48.5%  +10.8  2041
Bright 0.4a 4CPU                        2895  +15  -15  47.4%  +17.3  1495
  Bright 0.5c 4CPU                        2890  +23  -23  47.2%  +19.1   616
  Toga II 1.4 beta5c 4CPU                 2884  +18  -18  51.7%  -11.7   996
  Bright 0.3a 4CPU                        2829  +18  -18  42.4%  +51.0   988
Jonny 4.00 4CPU                         2815  +25  -25  43.6%  +42.2   540
  Bright 0.2c 4CPU                        2805  +21  -21  43.9%  +40.4   724
Scorpio 2.0 32-bit 4CPU                 2731  +24  -24  33.4% +114.8   607
Hamsters 0.7.1 4CPU                     2685  +32  -32  52.4%  -14.0   318
Pharaon 3.5.1 4CPU                      2673  +26  -26  43.6%  +41.4   518
Nemeton 1.8 4CPU                        2530  +27  -27  49.9%   +1.7   496

Created in 2005-2013 by CCRL team
Last games added on March 8, 2021