CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Custom engine selection

Comparing 9 engines!
9 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1075629 games played by 2520 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Computed on August 17, 2019 with Bayeselo based on 1'075'629 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank              Engine                Elo   +    -   Score  AvOp  Games
Spark 1.0 64-bit 4CPU             2969  +13  -13  45.0%  +32.3  1787
  Spark 0.4 64-bit 4CPU             2933  +21  -21  43.0%  +48.4   703
  Spark 0.3 64-bit 4CPU             2928  +23  -23  46.5%  +20.5   572
  Spark 1.0 64-bit                  2893  +12  -12  46.4%  +27.2  2318
  Spark 1.0 32-bit                  2864  +11  -11  45.3%  +31.3  2570
  Spark 0.3 64-bit                  2836  +18  -18  46.3%  +25.2  1048
  Spark 0.4 32-bit                  2822  +16  -16  45.8%  +26.9  1155
  Spark 0.3a 32-bit                 2799  +17  -17  45.7%  +26.3  1070
  Spark 0.3 32-bit                  2798  +16  -16  47.7%  +15.5  1264

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