CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Engine Details

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EXchess 7.97b 64-bit 4CPU in CCRL 40/40, 2019-12-07
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
EXchess 7.97b 64-bit 4CPU is #57 with rating of 2971 Elo points (+18 -17),
based on 1017 games: 249 wins, 301 losses and 467 draws
Score: 47.4%, Average opponent: +19.1, Draws: 45.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Booot 6.2 64-bit 4CPU              3218   0.5-0.5   (+0 -0 =1 )    0.0  +277
 - Fritz 16 64-bit 4CPU               3193   7.5-28.5  (+3 -24=9 )    0.0    +8
 - Ethereal 10.00 64-bit 4CPU         3190   5.0-25.0  (+1 -21=8 )    0.0   -29
 - Hannibal 1.7 64-bit 4CPU           3155   0.5-0.5   (+0 -0 =1 )    0.0  +153
 - Protector 1.9.0 64-bit 4CPU        3139   0.5-0.5   (+0 -0 =1 )    0.0  +137
 - Senpai 2.0 64-bit 4CPU             3111  11.0-25.0  (+3 -17=16)    0.0   +19
 - Strelka 5.5 64-bit                 3104  11.0-25.0  (+2 -16=18)    0.0   +13
 - Defenchess 1.1f 64-bit 4CPU        3066  12.5-23.5  (+5 -16=15)    0.0     0
 - Alfil 15.8 64-bit 4CPU             3056  13.0-23.0  (+3 -13=20)    0.0    +6
 - Ethereal 9.00 64-bit 4CPU          3051   9.5-20.5  (+3 -14=13)    0.0   -34
 - Vajolet2 2.4 64-bit 4CPU           3043  10.5-19.5  (+3 -12=15)    0.0   -19
 - Wasp 2.6 64-bit 4CPU               3040  10.5-25.5  (+3 -18=15)    0.0   -61
 - Pirarucu 2.7.4 64-bit 4CPU         3022  16.5-15.5  (+11-10=11)    0.0   +59
 - Spike 1.4 Leiden 4CPU              3016  16.5-19.5  (+6 -9 =21)    0.0   +21
 - chess22k 1.10 64-bit 4CPU          3014  18.5-21.5  (+8 -11=21)    0.1   +17
 - Crafty 25.2 64-bit 4CPU            3014  13.5-22.5  (+4 -13=19)    0.0   -30
 - Rodent III 0.210 64-bit 4CPU       2998  19.5-16.5  (+11-8 =17)    5.7   +51
 - SmarThink 1.97 64-bit              2995  14.5-21.5  (+6 -13=17)    2.3   -34
 - Xiphos 0.1 64-bit                  2986  15.5-14.5  (+8 -7 =15)   13.7   +24
 - Demolito 2017-08-26 64-bit 4CPU    2964  20.0-16.0  (+10-6 =20)   70.7   +25
 - Toga II 4.0 64-bit 4CPU            2958  15.5-14.5  (+8 -7 =15)   85.5    -3
 - chess22k 1.10 64-bit               2956  15.5-26.5  (+9 -20=13)   89.3  -104
 - Scorpio 2.7.9 64-bit 4CPU          2946  21.5-14.5  (+15-8 =13)   96.5   +34
 - Deep Sjeng c't 2010                2941   0.0-1.0   (+0 -1 =0 )   99.8  -INF
 - Ethereal 8.62 64-bit 4CPU          2931  21.5-14.5  (+12-5 =19)   99.8   +16
 - Thinker 5.4d Inert 64-bit 4CPU     2926  22.5-12.5  (+15-5 =15)   99.9   +40
 - Gogobello 2.0 64-bit 4CPU          2913  16.5-15.5  (+8 -7 =17)  100.0   -50
 - The Baron 3.41 64-bit 4CPU         2903  26.0-14.0  (+15-3 =22)  100.0   +17
 - Tornado 8.0 64-bit 4CPU            2895  21.5-9.5   (+16-4 =11)  100.0   +50
 - Deuterium 14.3.34.130 64-bit       2891  25.0-11.0  (+16-2 =18)  100.0   +36
 - Fruit Reloaded 3.2.1 64-bit 4CPU   2881  21.5-14.5  (+14-7 =15)  100.0   -27
 - Scorpio 2.7.6 64-bit 4CPU          2874   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Monolith 1.0 64-bit 4CPU           2855  21.5-10.5  (+13-2 =17)  100.0   -15
 - Zurichess Neuchatel 64-bit         2824  25.5-10.5  (+17-2 =17)  100.0   -19
 - Chess Tiger 2007.1                 2704   0.5-0.5   (+0 -0 =1 )  100.0  -297
 - ECE X3 64-bit 4CPU                 2676   0.5-0.5   (+0 -0 =1 )  100.0  -264


Created in 2005-2013 by CCRL team
Last games added on December 7, 2019