CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 10 engines!
10 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1092341 games played by 2556 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 October 19, 2019 with Bayeselo based on 1'092'341 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Tucano 7.06 64-bit                 2853  +20  -20  49.1%   +0.6   746
  Tucano 7.07 64-bit                 2843  +17  -17  48.7%   +9.5  1118
  Tucano 7.00 64-bit                 2826  +19  -19  52.2%  -18.2   866
  Tucano 7.05 64-bit                 2824  +29  -29  51.4%   -7.8   388
  Tucano 6.00 64-bit                 2725  +16  -16  47.4%  +15.4  1369
  Tucano 5.00 64-bit                 2680  +18  -18  49.7%   +0.2   987
  Tucano 4.00 64-bit                 2666  +25  -25  50.3%   -1.4   546
  Tucano 3.00 64-bit                 2620  +24  -24  48.1%  +13.0   562
  Tucano 2.00 64-bit                 2573  +30  -31  47.4%  +16.5   345
  Tucano 1.04                        2541  +30  -30  47.2%  +17.3   359

Created in 2005-2013 by CCRL team
Last games added on October 19, 2019