CCRL 40/40
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 1'098'633 games
played by 2'562 programs
150143 CPU days (X2 4600+)

White wins: 380'990 (34.7%)
Black wins: 283'127 (25.8%)
Draws: 434'516 (39.6%)
White score: 54.5%

Engine Details

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Defenchess 2.2 64-bit 4CPU in CCRL 40/40, 2019-11-16
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:
Defenchess 2.2 64-bit 4CPU is #9 with rating of 3289 Elo points (+23 -23),
based on 520 games: 79 wins, 132 losses and 309 draws
Score: 44.9%, Average opponent: +34.6, Draws: 59.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - SugaR NN 1.1 64-bit 4CPU           3491   5.5-26.5  (+0 -21=11)    0.0   -26
 - Stockfish 10 64-bit 4CPU           3464   6.5-25.5  (+0 -19=13)    0.0   -19
 - ShashChess 8.0 64-bit 4CPU         3455   7.0-25.0  (+0 -18=14)    0.0   -14
 - Komodo 13.1 64-bit 4CPU            3416   8.5-23.5  (+0 -15=17)    0.0   -12
 - Houdini 6 64-bit 4CPU              3399   7.0-25.0  (+0 -18=14)    0.0   -69
 - Ethereal 11.53 64-bit 4CPU         3330  13.5-18.5  (+4 -9 =19)    0.6    -4
 - Fire 7.1 64-bit 4CPU               3323  14.0-18.0  (+1 -5 =26)    0.7    +2
 - Xiphos 0.5 64-bit 4CPU             3312  16.0-16.0  (+5 -5 =22)    6.7   +24
 - RofChade 2.202 64-bit 4CPU         3284  17.0-15.0  (+5 -3 =24)   62.2   +11
 - Laser 1.7 64-bit 4CPU              3283  16.0-16.0  (+6 -6 =20)   65.2    -6
 - Deep Shredder 13 64-bit 4CPU       3279  19.5-12.5  (+9 -2 =21)   78.4   +49
 - Fizbo 2 64-bit 4CPU                3277  19.0-13.0  (+8 -2 =22)   82.2   +38
 - Andscacs 0.95 64-bit 4CPU          3267  18.5-13.5  (+7 -2 =23)   93.7   +15
 - Booot 6.3.1 64-bit 4CPU            3264  16.5-15.5  (+5 -4 =23)   96.4   -17
 - Arasan 21.4 64-bit 4CPU            3235   4.5-3.5   (+2 -1 =5 )   99.3   -22
 - Schooner 2.1 64-bit 4CPU           3216  21.0-11.0  (+11-1 =20)  100.0   +14
 - Pedone 1.8 64-bit 4CPU             3140  23.5-8.5   (+16-1 =15)  100.0    -6


Created in 2005-2013 by CCRL team
Last games added on November 16, 2019