CCRL 40/4
Downloads and Statistics
July 6, 2019
Testing summary:
Total: 2'062'148 games
played by 2'380 programs
27711 CPU days (X2 4600+)

White wins: 801'254 (38.9%)
Black wins: 648'494 (31.4%)
Draws: 612'400 (29.7%)
White score: 53.7%

Engine Details

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Winter 0.6 64-bit in CCRL 40/4, 2019-07-06
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 0.6 64-bit has no rank with rating of 2940 Elo points (+19 -19),
based on 928 games: 304 wins, 294 losses and 330 draws
Score: 50.5%, Average opponent: −4.2, Draws: 35.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - SmarThink 1.98 64-bit              3037  13.5-18.5  (+10-15=7 )    0.0   +41
 - Naum 4.6 64-bit                    3033  14.0-18.0  (+6 -10=16)    0.0   +54
 - Hakkapeliitta TCEC v2 64-bit       3024  14.0-18.0  (+7 -11=14)    0.0   +45
 - Demolito 2018-10-29 64-bit         3018  12.0-20.0  (+9 -17=6 )    0.0   -15
 - Rodent III 0.287 64-bit            3014  12.0-20.0  (+4 -12=16)    0.0    -1
 - Deuterium 2019.1.36.50 64-bit      3000  15.0-17.0  (+8 -10=14)    0.0   +42
 - Pirarucu 2.9.5 64-bit              2986  14.0-18.0  (+8 -12=12)    0.0    +6
 - Hiarcs 14                          2986  11.5-20.5  (+5 -14=13)    0.0   -44
 - Amoeba 3.0 64-bit                  2975  10.5-21.5  (+5 -16=11)    0.3   -78
 - Bobcat 8.0 64-bit                  2961  14.0-18.0  (+10-14=8 )    2.8   -22
 - Cheng 4.39 64-bit                  2944  13.0-19.0  (+5 -11=16)   35.3   -50
 - Dirty CUCUMBER 64-bit              2930  16.5-15.5  (+10-9 =13)   79.0    +3
 - Spark 1.0 64-bit                   2928  13.0-19.0  (+5 -11=16)   89.2   -67
 - Atlas 3.91 64-bit                  2926  17.5-14.5  (+14-11=7 )   88.8   +21
 - Spike 1.4 Leiden                   2922  15.0-17.0  (+7 -9 =16)   96.4   -37
 - Toga II 4.0 64-bit                 2915  17.0-15.0  (+12-10=10)   98.0    -1
 - EXchess 7.97b 64-bit               2913  14.5-17.5  (+10-13=9 )   99.3   -58
 - Quazar 0.4 64-bit                  2900  19.0-13.0  (+15-9 =8 )  100.0   +25
 - Zurichess Neuchatel 64-bit         2900  22.0-10.0  (+16-4 =12)  100.0   +82
 - Tucano 7.07 64-bit                 2899  17.5-14.5  (+10-7 =15)   99.9   -10
 - Deep Junior Yokohama 64-bit        2898  18.5-13.5  (+14-9 =9 )  100.0   +12
 - Daydreamer 2.0.0-pre2 64-bit       2897  19.5-12.5  (+15-8 =9 )  100.0   +33
 - Godel 5.5.1 64-bit                 2889  19.5-12.5  (+17-10=5 )  100.0   +31
 - Thinker 5.4d Inert 64-bit          2885  20.0-12.0  (+15-7 =10)  100.0   +32
 - Murka 3 64-bit                     2882  21.0-11.0  (+17-7 =8 )  100.0   +53
 - Gaviota 1.0 64-bit                 2873  18.0-14.0  (+12-8 =12)  100.0   -28
 - The Baron 3.44 64-bit              2869  21.0-11.0  (+16-6 =10)  100.0   +37
 - MinkoChess 1.3 64-bit              2869  16.5-15.5  (+11-10=11)  100.0   -61
 - DisasterArea 1.65 64-bit           2865  19.5-12.5  (+11-4 =17)  100.0    -8


Created in 2005-2013 by CCRL team
Last games added on July 6, 2019