CCRL 40/15
Downloads and Statistics
July 11, 2020
Testing summary:
Total: 1'160'846 games
played by 2'685 programs

White wins: 400'696 (34.5%)
Black wins: 296'236 (25.5%)
Draws: 463'914 (40.0%)
White score: 54.5%

Engine Details

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Bison 9.8 32-bit in CCRL 40/15, 2020-07-11
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2020, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
Bison 9.8 32-bit has no rank with rating of 2616 Elo points (+32 -33),
based on 309 games: 102 wins, 103 losses and 104 draws
Score: 49.8%, Average opponent: −1.3, Draws: 33.7%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Critter 0.42 32-bit                     2706  10.0-15.0  (+5 -10=10)    0.0   +26
 - Cheese 1.8 64-bit                       2684   2.5-5.5   (+0 -3 =5 )    0.0   -32
 - BugChess2 1.6.4 32-bit                  2658   0.5-0.5   (+0 -0 =1 )    1.9   +72
 - E.T. Chess 13.01.08                     2650   1.0-4.0   (+0 -3 =2 )    3.0  -156
 - Colossus 2008b                          2643   2.0-2.0   (+1 -1 =2 )    6.2   +27
 - Chronos 1.9.7                           2640   9.0-13.0  (+6 -10=6 )   10.2   -42
 - Crafty 23.0 32-bit                      2630   2.5-4.5   (+2 -4 =1 )   25.7   -95
 - WildCat 8                               2629   3.0-5.0   (+1 -3 =4 )   23.0   -60
 - Nawito 1906                             2629   4.5-3.5   (+2 -1 =5 )   25.9   +53
 - WildCat 7                               2625   7.0-7.0   (+5 -5 =4 )   29.4    +9
 - Ruffian 2.1.0                           2623   7.5-6.5   (+4 -3 =7 )   33.4   +26
 - BugChess2 1.6.3 32-bit                  2620  21.5-18.5  (+14-11=15)   40.8   +28
 - Hamsters 0.7.1                          2618   3.0-1.0   (+2 -0 =2 )   44.6  +151
 - Monolith 0.4 64-bit                     2609   2.5-3.5   (+2 -3 =1 )   64.1   -68
 - Alfil 8.1.1                             2601  24.5-16.5  (+20-12=9 )   79.7   +57
 - Sloppy 0.2.2 32-bit                     2599   5.0-3.0   (+2 -0 =6 )   82.3   +46
 - The Baron 2.23 32-bit                   2595   4.5-3.5   (+4 -3 =1 )   87.3   +24
 - The Baron 1.8.1                         2592  15.5-16.5  (+11-12=9 )   89.0   -35
 - Petir 4.999999                          2579   1.0-3.0   (+1 -3 =0 )   97.7  -271
 - Critter 0.40 32-bit                     2576   2.0-2.0   (+1 -1 =2 )   95.6   -40
 - Rotor 0.5                               2565   4.5-3.5   (+3 -2 =3 )   99.6    -8
 - Zurichess Glarus 64-bit                 2559   2.5-3.5   (+2 -3 =1 )   99.6  -123
 - Anaconda 2.0.1                          2555  18.0-14.0  (+14-10=8 )   99.8   -16


Created in 2005-2013 by CCRL team
Last games added on July 11, 2020