CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
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
2143600 games played by 2509 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 December 7, 2019 with Bayeselo based on 2'143'600 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Pawny 1.2 64-bit                   2768  +10  -10  48.1%  +12.9  3807
  Pawny 1.1 64-bit                   2674  +16  -16  50.5%   -4.2  1407
  Pawny 1.0 64-bit                   2647  +14  -13  52.5%  -16.1  2004
  Pawny 0.3.1 64-bit                 2480  +36  -36  52.2%  -16.7   274
  Pawny 0.3 64-bit                   2463  +13  -13  47.8%  +15.0  2206
  Pawny 0.2.1 64-bit                 2413  +17  -17  50.4%   -4.0  1234
  Pawny 0.2 64-bit                   2384  +15  -15  47.2%  +20.2  1644

Created in 2005-2013 by CCRL team
Last games added on December 7, 2019