CCRL 40/40
Downloads and Statistics
January 20, 2018
Testing summary:
Total: 783'129 games
played by 2'026 programs
108312 CPU days (X2 4600+)

White wins: 268'533 (34.3%)
Black wins: 198'801 (25.4%)
Draws: 315'795 (40.3%)
White score: 54.5%

Engine Details

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EXchess 7.71b 64-bit 4CPU in CCRL 40/40, 2018-01-20
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, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
EXchess 7.71b 64-bit 4CPU has no rank with rating of 2937 Elo points (+28 -28),
based on 403 games: 128 wins, 101 losses and 174 draws
Score: 53.3%, Average opponent: −22.7, Draws: 43.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Andscacs 0.81 64-bit 4CPU          3084   1.0-1.0   (+0 -0 =2 )    0.0  +147
 - Deep Junior 13 64-bit 4CPU         3033   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - Senpai 1.0 64-bit 4CPU             3031   0.5-1.5   (+0 -1 =1 )    0.0   -48
 - Spike 1.4 Leiden 4CPU              3023   1.0-1.0   (+1 -1 =0 )    0.0   +86
 - Cheng 4.39 64-bit 4CPU             3013   8.0-12.0  (+3 -7 =10)    0.0   +18
 - Rybka 2.1 64-bit 4CPU              3000   0.0-2.0   (+0 -2 =0 )    0.2  -INF
 - Fizbo 1.5 64-bit 4CPU              2998   9.5-18.5  (+5 -14=9 )    0.1   -50
 - Cheng4 0.38 64-bit 4CPU            2987   1.5-0.5   (+1 -0 =1 )    0.4  +192
 - Arasan 18.2 64-bit 4CPU            2976   2.0-5.0   (+0 -3 =4 )    2.5   -85
 - Spark 1.0 64-bit 4CPU              2975   9.0-11.0  (+2 -4 =14)    0.8   +10
 - Zappa Mexico 64-bit 4CPU           2962   0.5-1.5   (+0 -1 =1 )    6.7  -117
 - Hakkapeliitta 3.0 64-bit           2957   2.5-5.5   (+1 -4 =3 )   11.1  -100
 - Gaviota 1.0 64-bit 4CPU            2944  12.5-9.5   (+7 -4 =11)   34.9   +46
 - Arasan 17.5 64-bit 4CPU            2940   1.5-1.5   (+0 -0 =3 )   44.1   +13
 - Onno 1.2.70 64-bit 4CPU            2938   8.5-5.5   (+4 -1 =9 )   48.3   +57
 - Bobcat 7.1 64-bit 4CPU             2938   4.0-4.0   (+2 -2 =4 )   48.4    +5
 - Spark 0.4 64-bit 4CPU              2937   2.5-7.5   (+1 -6 =3 )   49.5  -179
 - Fizbo 1.4 64-bit 4CPU              2937  16.5-13.5  (+8 -5 =17)   49.4   +29
 - Thinker 5.4d Inert 64-bit 4CPU     2932   0.0-2.0   (+0 -2 =0 )   60.3  -INF
 - Arasan 18.0 64-bit 4CPU            2932   5.5-6.5   (+3 -4 =5 )   60.5   -29
 - Deep Sjeng WC2008 64-bit 4CPU      2930   5.0-7.0   (+2 -4 =6 )   68.0   -55
 - Toga II 3.0 4CPU                   2929   7.5-6.5   (+4 -3 =7 )   67.9    +8
 - Cheng4 0.36c 64-bit 4CPU           2902   5.5-4.5   (+3 -2 =5 )   95.6   -11
 - Tornado 7.0 64-bit 4CPU            2900   1.0-3.0   (+0 -2 =2 )   97.3  -186
 - Glaurung 2.2 64-bit 4CPU           2900   8.0-2.0   (+6 -0 =4 )   98.8  +155
 - Bright 0.5c 4CPU                   2897   8.5-3.5   (+7 -2 =3 )   98.6  +106
 - MinkoChess 1.3 64-bit 4CPU         2895   8.5-3.5   (+6 -1 =5 )   99.0   +87
 - Tornado 4.88 64-bit 4CPU           2892   6.5-3.5   (+6 -3 =1 )   99.1   +75
 - Crafty 24.1 64-bit 4CPU            2884   6.5-3.5   (+4 -1 =5 )   99.4   +34
 - Scorpio 2.7.6 64-bit 4CPU          2879   6.5-5.5   (+4 -3 =5 )   99.9   -26
 - The Baron 3.29 64-bit 4CPU         2872   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Bobcat 6.4b 64-bit 4CPU            2872   7.5-4.5   (+4 -1 =7 )  100.0    +5
 - Gaviota 0.86 64-bit 4CPU           2862   7.5-2.5   (+6 -1 =3 )  100.0  +101
 - Arasan 16.3 64-bit 4CPU            2861   5.0-5.0   (+3 -3 =4 )  100.0   -80
 - BugChess2 1.9 64-bit 4CPU          2850   7.0-5.0   (+6 -4 =2 )  100.0   -24
 - Loop 13.6 (Loop 2007) 64-bit 4CPU  2842   5.5-4.5   (+4 -3 =3 )  100.0   -67
 - Octochess r5190 64-bit 4CPU        2830   7.0-3.0   (+5 -1 =4 )  100.0   +24
 - Pedone 1.1 64-bit 4CPU             2820   8.0-3.0   (+6 -1 =4 )  100.0   +29
 - Pedone 1.2 64-bit 4CPU             2802   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Alfil 13.1 64-bit 4CPU             2739   7.5-2.5   (+6 -1 =3 )  100.0   -24
 - Nebula 2.0 64-bit 4CPU             2729   6.0-4.0   (+4 -2 =4 )  100.0  -144


Created in 2005-2013 by CCRL team
Last games added on January 20, 2018