CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Engine Details

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Winter 0.6 64-bit in CCRL 40/40, 2019-07-11
Ponder off, General book (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.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Winter 0.6 64-bit has no rank with rating of 2924 Elo points (+20 -20),
based on 841 games: 259 wins, 269 losses and 313 draws
Score: 49.4%, Average opponent: +2.2, Draws: 37.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Arasan 21.3 64-bit                 3123   7.5-24.5  (+1 -18=13)    0.0   +27
 - Pedone 1.9 64-bit                  3085   8.0-24.0  (+2 -18=12)    0.0    -5
 - Wasp 3.60 64-bit                   3039   8.0-24.0  (+2 -18=12)    0.0   -49
 - RubiChess 1.4 64-bit               3037   9.5-26.5  (+5 -22=9 )    0.0   -58
 - Sting SF 15 64-bit                 3031   6.0-18.0  (+1 -13=10)    0.0   -54
 - Defenchess (SCTR) 1.1f 64-bit      2997  10.5-21.5  (+3 -14=15)    0.0   -30
 - Rodent III 0.281 64-bit            2995   1.5-2.5   (+1 -2 =1 )    0.0   -11
 - Rodent III 0.275 64-bit            2985  15.5-24.5  (+5 -14=21)    0.0    -4
 - Demolito 2019-04-27 64-bit         2983  21.0-23.0  (+13-15=16)    0.0   +43
 - Pirarucu 2.9.5 64-bit              2965  19.0-25.0  (+9 -15=20)    0.1    +1
 - Deuterium 2019.1.36.50 64-bit      2954  21.5-22.5  (+11-12=21)    1.1   +22
 - Amoeba 3.0 64-bit                  2951  16.5-27.5  (+11-22=11)    2.2   -62
 - Lc0 0.20.1 w11258 64-bit           2949   1.0-3.0   (+0 -2 =2 )   11.6  -124
 - Crafty 25.2 64-bit                 2930  18.5-21.5  (+10-13=17)   29.8   -20
 - Bobcat 8.0 64-bit                  2923  16.5-15.5  (+9 -8 =15)   53.1    +6
 - Cheng 4.39 64-bit                  2920   3.0-1.0   (+3 -1 =0 )   61.9  +223
 - Dirty CUCUMBER 64-bit              2916  23.5-20.5  (+16-13=15)   73.1   +14
 - Toga II 4.0 64-bit                 2904  25.0-15.0  (+19-9 =12)   95.0   +61
 - Scorpio 2.8 64-bit                 2884  23.5-8.5   (+19-4 =9 )   99.9  +124
 - Topple 0.7.1 64-bit                2866   2.0-0.0   (+2 -0 =0 )   98.5  +INF
 - Marvin 3.3.2 64-bit                2854  19.5-12.5  (+13-6 =13)  100.0     0
 - Counter 3.2 64-bit                 2831  22.0-10.0  (+14-2 =16)  100.0   +18
 - Topple 0.7.0 64-bit                2811   9.0-3.0   (+8 -2 =2 )  100.0   +84
 - Topple 0.6.1 64-bit                2805  20.5-11.5  (+15-6 =11)  100.0   -24
 - Monolith 1.0 64-bit                2794  21.0-11.0  (+16-6 =10)  100.0   -22
 - tomitankChess 3.0 64-bit           2780  20.0-11.0  (+14-5 =12)  100.0   -52
 - Igel 1.6.0 64-bit                  2763  25.0-7.0   (+20-2 =10)  100.0   +34
 - Cheese 2.0 64-bit                  2750  21.0-11.0  (+17-7 =8 )  100.0   -57


Created in 2005-2013 by CCRL team
Last games added on July 11, 2019