CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
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
1242291 games played by 2843 programs, run by 24 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 May 8, 2021 with Bayeselo based on 1'242'291 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
ChessBrainVB 3.72 4CPU                  3164  +30  -30  45.0%  +30.7   320
  ChessBrainVB 3.74 4CPU                  3161 +128 -130  46.9%  +18.0    16
  ChessBrainVB 3.68 4CPU                  3121  +26  -26  49.2%   +4.5   428
  ChessBrainVB 3.66 4CPU                  3104  +28  -28  54.2%  -27.5   378
Spike 1.4 Leiden 4CPU                   3014  +11  -11  45.2%  +29.6  2862
Toga II 3.0 4CPU                        2917  +22  -23  45.6%  +27.0   592
  Toga II 1.4.1SE 4CPU                    2902  +13  -13  48.5%  +10.9  2041
Bright 0.4a 4CPU                        2894  +15  -15  47.4%  +17.4  1495
  Bright 0.5c 4CPU                        2889  +23  -23  47.2%  +19.2   616
  Toga II 1.4 beta5c 4CPU                 2883  +18  -18  51.7%  -11.5   996
  Bright 0.3a 4CPU                        2828  +18  -18  42.4%  +51.2   988
Jonny 4.00 4CPU                         2814  +25  -25  43.6%  +42.3   540
  Bright 0.2c 4CPU                        2804  +21  -21  43.9%  +40.6   724
Scorpio 2.0 32-bit 4CPU                 2730  +24  -24  33.4% +114.9   607
Hamsters 0.7.1 4CPU                     2684  +32  -32  52.4%  -13.9   318
Pharaon 3.5.1 4CPU                      2672  +26  -26  43.6%  +41.4   518
Nemeton 1.8 4CPU                        2529  +27  -27  49.9%   +1.9   496

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