CCRL 40/4
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 2'085'472 games
played by 2'422 programs
28065 CPU days (X2 4600+)

White wins: 809'852 (38.8%)
Black wins: 654'916 (31.4%)
Draws: 620'704 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 7 engines!
7 selected engines played 10 games with each other



CCRL 40/4 Rating List - Custom engine selection
2085472 games played by 2422 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 Intel CPU.
Computed on August 17, 2019 with Bayeselo based on 2'085'472 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Pawny 1.2 64-bit                   2767  +10  -10  48.1%  +12.8  3662
  Pawny 1.1 64-bit                   2674  +16  -16  50.5%   -4.5  1407
  Pawny 1.0 64-bit                   2647  +14  -14  52.5%  -16.4  2004
  Pawny 0.3.1 64-bit                 2479  +36  -36  52.2%  -16.1   274
  Pawny 0.3 64-bit                   2463  +13  -13  47.8%  +14.7  2206
  Pawny 0.2.1 64-bit                 2413  +17  -17  50.4%   -4.3  1234
  Pawny 0.2 64-bit                   2384  +15  -15  47.2%  +19.9  1644

Created in 2005-2013 by CCRL team
Last games added on August 17, 2019