CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 19 engines!
19 selected engines played 204 games with each other



CCRL 40/15 Rating List - Custom engine selection
1242291 games played by 2843 programs, run by 24 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Computed on May 8, 2021 with Bayeselo based on 1'242'291 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Houdini 6 64-bit 4CPU                   3397  +10  -10  57.7%  -48.2  3182
  Houdini 5.01 64-bit 4CPU                3369  +17  -17  64.6%  -93.1  1064
  Houdini 6 64-bit                        3334   +7   -8  58.9%  -57.5  5886
  Houdini 6 Tactical 64-bit               3311  +18  -18  65.0% -105.9  1057
  Houdini 5.01 64-bit                     3298  +13  -13  70.0% -129.3  1801
  Houdini 4 64-bit 4CPU                   3240  +10  -10  54.6%  -30.1  3035
  Houdini 3 64-bit 4CPU                   3229  +13  -13  66.9% -107.9  1889
  Houdini 4 Tactical 64-bit 4CPU          3229  +24  -24  64.8%  -90.1   526
  Houdini 2.0c 64-bit 4CPU                3192  +16  -16  65.2%  -98.7  1315
  Houdini 1.5a 64-bit 4CPU                3179  +17  -17  59.3%  -61.8  1111
  Houdini 4 64-bit                        3165  +10  -10  56.4%  -40.3  3117
  Houdini 3 64-bit                        3156  +13  -13  64.7%  -95.6  1931
  Houdini 3 Tactical 64-bit               3151  +18  -18  64.9%  -93.0   955
  Houdini 4 Tactical 64-bit               3150  +25  -24  63.2%  -80.4   495
  Houdini 3 32-bit                        3133  +20  -20  70.3% -130.4   838
  Houdini 2.0c 64-bit                     3121  +15  -15  65.5% -107.6  1638
  Houdini 1.5a 64-bit                     3108  +10  -10  50.6%   -2.3  3212
  Houdini 2.0c 32-bit                     3100  +14  -13  70.9% -142.0  2011
  Houdini 1.5a 32-bit                     3087  +13  -12  62.5%  -84.0  2192

Created in 2005-2013 by CCRL team
Last games added on May 8, 2021