CCRL 40/15
Downloads and Statistics
January 18, 2020
Testing summary:
Total: 1'114'202 games
played by 2'605 programs

White wins: 385'748 (34.6%)
Black wins: 286'303 (25.7%)
Draws: 442'151 (39.7%)
White score: 54.5%

Engine Details

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Bison 9.8 32-bit in CCRL 40/15, 2020-01-18
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 (+33 -32),
based on 309 games: 102 wins, 103 losses and 104 draws
Score: 49.8%, Average opponent: −1.4, 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                  2683   2.5-5.5   (+0 -3 =5 )    0.0   -33
 - BugChess2 1.6.4 32-bit             2657   0.5-0.5   (+0 -0 =1 )    1.9   +71
 - E.T. Chess 13.01.08                2650   1.0-4.0   (+0 -3 =2 )    2.9  -156
 - Colossus 2008b                     2643   2.0-2.0   (+1 -1 =2 )    6.1   +27
 - Chronos 1.9.7                      2640   9.0-13.0  (+6 -10=6 )   10.3   -42
 - Nawito 1906                        2635   4.5-3.5   (+2 -1 =5 )   18.0   +59
 - Crafty 23.0 32-bit                 2630   2.5-4.5   (+2 -4 =1 )   25.8   -95
 - WildCat 8                          2629   3.0-5.0   (+1 -3 =4 )   22.6   -60
 - WildCat 7                          2624   7.0-7.0   (+5 -5 =4 )   31.6    +8
 - Ruffian 2.1.0                      2623   7.5-6.5   (+4 -3 =7 )   33.7   +26
 - BugChess2 1.6.3 32-bit             2620  21.5-18.5  (+14-11=15)   41.3   +28
 - Hamsters 0.7.1                     2619   3.0-1.0   (+2 -0 =2 )   43.8  +152
 - Monolith 0.4 64-bit                2607   2.5-3.5   (+2 -3 =1 )   66.5   -70
 - Alfil 8.1.1                        2601  24.5-16.5  (+20-12=9 )   80.0   +57
 - Sloppy 0.2.2 32-bit                2599   5.0-3.0   (+2 -0 =6 )   82.4   +46
 - The Baron 2.23 32-bit              2594   4.5-3.5   (+4 -3 =1 )   87.4   +23
 - The Baron 1.8.1                    2591  15.5-16.5  (+11-12=9 )   89.2   -36
 - Petir 4.999999                     2579   1.0-3.0   (+1 -3 =0 )   97.8  -271
 - Critter 0.40 32-bit                2576   2.0-2.0   (+1 -1 =2 )   95.7   -40
 - Rotor 0.5                          2565   4.5-3.5   (+3 -2 =3 )   99.7    -8
 - Zurichess Glarus 64-bit            2558   2.5-3.5   (+2 -3 =1 )   99.6  -124
 - 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 January 18, 2020