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 7 engines!
7 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
Schooner 2.0.34 64-bit 4CPU       3200  +20  -20  49.3%   +3.5   734
  Schooner 2.1 64-bit               3124  +21  -21  34.8% +100.9   700
  Schooner 2.0.34 64-bit            3110  +12  -12  45.8%  +27.9  2188
  Schooner 1.83 64-bit              2583  +25  -25  49.6%   +2.7   546
  Schooner 1.8 64-bit               2567  +19  -20  49.3%   +0.8   900
  Schooner 1.7.0 64-bit             2470  +24  -24  49.3%   +5.1   606
  Schooner 1.5 64-bit               2299  +24  -24  46.6%  +23.0   596

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