CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 11 engines!
11 selected engines played 0 games with each other



CCRL 40/4 Rating List - Custom engine selection
2120567 games played by 2479 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 19, 2019 with Bayeselo based on 2'120'567 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Counter 3.2 64-bit                 2847  +21  -21  52.1%  -15.9   745
  Counter 3.1 64-bit                 2795  +25  -25  55.1%  -33.3   571
  Counter 2.9 64-bit                 2702  +20  -20  49.5%   +5.5   920
  Counter 2.8 64-bit                 2642  +21  -21  50.6%   -3.8   800
  Counter 2.7 64-bit                 2634  +53  -52  59.1%  -64.8   127
  Counter 2.5 64-bit                 2576  +21  -21  47.3%  +19.9   775
  Counter 2.0.2 64-bit               2575  +28  -28  49.7%   +1.5   430
  Counter 2.1.0 64-bit               2560  +18  -18  46.1%  +26.8  1114
  Counter 2.0.1 64-bit               2545  +19  -19  43.6%  +43.6   924
  Counter 1.99 64-bit                2451  +23  -23  43.8%  +42.4   640
  Counter 1.2                        2446  +10   -9  48.0%  +14.1  3950

Created in 2005-2013 by CCRL team
Last games added on October 19, 2019