CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Custom engine selection

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



CCRL 40/40 Rating List - Custom engine selection
1104002 games played by 2573 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 CPU.
Computed on December 7, 2019 with Bayeselo based on 1'104'002 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Spark 1.0 64-bit 4CPU              2969  +13  -13  45.0%  +32.2  1787
  Spark 0.4 64-bit 4CPU              2932  +21  -21  43.0%  +49.0   703
  Spark 0.3 64-bit 4CPU              2928  +23  -23  46.5%  +19.9   572
  Spark 1.0 64-bit                   2893  +12  -12  46.4%  +27.1  2318
  Spark 1.0 32-bit                   2863  +11  -11  45.4%  +31.2  2622
  Spark 0.3 64-bit                   2835  +18  -18  46.3%  +25.9  1048
  Spark 0.4 32-bit                   2821  +16  -16  45.8%  +27.5  1159
  Spark 0.3a 32-bit                  2799  +17  -17  45.7%  +26.2  1070
  Spark 0.3 32-bit                   2797  +16  -16  47.7%  +16.5  1264

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