CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Engine Details

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Winter 0.5 64-bit 4CPU in CCRL 40/4, 2019-06-15
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Winter 0.5 64-bit 4CPU is #66 with rating of 2945 Elo points (+22 -22),
based on 650 games: 250 wins, 165 losses and 235 draws
Score: 56.5%, Average opponent: −43.7, Draws: 36.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Amoeba 2.8 64-bit                  2952  29.0-17.0  (+21-9 =16)   29.5   +92
 - Marvin 3.3.2 64-bit 4CPU           2936  32.0-34.0  (+16-18=32)   73.7   -17
 - DisasterArea 1.65 64-bit 4CPU      2932  19.0-24.0  (+11-16=16)   82.2   -52
 - Atlas 3.91 64-bit                  2926  23.0-23.0  (+16-16=14)   92.2   -15
 - Deep Sjeng c't 2010                2926  29.0-17.0  (+22-10=14)   91.7   +71
 - Monolith 1.0 64-bit 4CPU           2904  21.5-24.5  (+11-14=21)   99.6   -59
 - Marvin 3.2.0 64-bit 4CPU           2904  25.5-20.5  (+18-13=15)   99.6    -3
 - Zurichess Neuchatel 64-bit         2900  28.5-18.5  (+19-9 =19)  100.0   +21
 - Quazar 0.4 64-bit                  2899  28.0-19.0  (+19-10=18)  100.0   +16
 - Daydreamer 2.0.0-pre2 64-bit       2897  30.0-16.0  (+21-7 =18)  100.0   +48
 - Cheese 2.0 64-bit 4CPU             2887  26.5-19.5  (+18-11=17)  100.0    -9
 - Tornado 8.0 64-bit 4CPU            2865  21.0-13.0  (+16-8 =10)  100.0    -3
 - Zappa Mexico II 64-bit             2843  21.5-24.5  (+16-19=11)  100.0  -125
 - Topple 0.5.0 64-bit 4CPU           2823  33.0-12.0  (+26-5 =14)  100.0   +39


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019