CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

Engine Details

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Defenchess 2.1 64-bit 4CPU in CCRL 40/4, 2019-12-07
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Defenchess 2.1 64-bit 4CPU has no rank with rating of 3289 Elo points (+19 -19),
based on 941 games: 213 wins, 314 losses and 414 draws
Score: 44.6%, Average opponent: +38.0, Draws: 44.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 10 64-bit 4CPU           3549  10.0-65.0  (+0 -55=20)    0.0   -16
 - Houdini 6 64-bit 4CPU              3519  16.5-59.5  (+0 -43=33)    0.0   +48
 - Komodo 13.02 64-bit 4CPU           3500  13.0-63.0  (+3 -53=20)    0.0   -32
 - Fire 7.1 64-bit 4CPU               3426  19.0-56.0  (+1 -38=36)    0.0   -15
 - Ethereal 11.50 64-bit 4CPU         3417  14.5-42.5  (+1 -29=27)    0.0   -21
 - Laser 1.7 64-bit 4CPU              3366  29.5-44.5  (+8 -23=43)    0.0   +16
 - Fizbo 2 64-bit 4CPU                3347  32.0-44.0  (+15-27=34)    0.0    +8
 - Andscacs 0.95 64-bit 4CPU          3335  35.5-39.5  (+17-21=37)    0.0   +30
 - NirvanaChess 2.4 64-bit 4CPU       3225  19.0-11.0  (+11-3 =16)  100.0   +14
 - Rybka 4.1 64-bit 4CPU              3207  19.5-10.5  (+10-1 =19)  100.0     0
 - Texel 1.07 64-bit 4CPU             3205  17.0-13.0  (+8 -4 =18)  100.0   -44
 - Senpai 2.0 64-bit 4CPU             3175  21.5-8.5   (+15-2 =13)  100.0   +25
 - Nemorino 5.00 64-bit 4CPU          3173  17.0-13.0  (+11-7 =12)  100.0   -74
 - Wasp 3.60 64-bit 4CPU              3157  22.5-7.5   (+16-1 =13)  100.0   +25
 - Naum 4.6 64-bit 4CPU               3153  20.0-9.0   (+14-3 =12)  100.0   -12
 - RubiChess 1.4 64-bit 4CPU          3134  22.5-7.5   (+15-0 =15)  100.0    -3
 - Protector 1.9.0 64-bit 4CPU        3129  22.5-7.5   (+15-0 =15)  100.0    -9
 - Demolito 2018-10-29 64-bit 4CPU    3104  22.5-7.5   (+16-1 =13)  100.0   -25
 - Rodent III 0.273 64-bit 4CPU       3091  24.0-4.0   (+21-1 =6 )  100.0   +80
 - Pirarucu 2.9.5 64-bit 4CPU         3085  22.0-8.0   (+16-2 =12)  100.0   -53


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