CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Arasan 21.1 64-bit 4CPU in CCRL 40/4, 2019-07-20
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:
Arasan 21.1 64-bit 4CPU has no rank with rating of 3192 Elo points (+17 -17),
based on 1015 games: 252 wins, 226 losses and 537 draws
Score: 51.3%, Average opponent: −8.4, Draws: 52.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Laser 1.6 64-bit 4CPU              3275  36.5-59.5  (+8 -31=57)    0.0   +16
 - Schooner 2.0.34 64-bit 4CPU        3274  15.0-28.0  (+3 -16=24)    0.0    -4
 - Chiron 4 64-bit 4CPU               3241  22.0-24.0  (+11-13=22)    0.0   +34
 - RofChade 2.0 64-bit 4CPU           3235  20.5-19.5  (+9 -8 =23)    0.0   +52
 - Hannibal 1.7 64-bit 4CPU           3229  20.5-24.5  (+7 -11=27)    0.0    +9
 - NirvanaChess 2.4 64-bit 4CPU       3224  19.0-26.0  (+7 -14=24)    0.2   -14
 - Rybka 4.1 64-bit 4CPU              3205  22.0-24.0  (+12-14=20)    8.9     0
 - Texel 1.07 64-bit 4CPU             3205  22.0-23.0  (+8 -9 =28)   10.8    +6
 - Vajolet2 2.6.1 64-bit 4CPU         3180  65.5-61.5  (+28-24=75)   85.8    -3
 - Senpai 2.0 64-bit 4CPU             3176  21.5-21.5  (+12-12=19)   93.4   -16
 - Nemorino 5.00 64-bit 4CPU          3171  44.0-44.0  (+23-23=42)   97.3   -20
 - Pedone 1.8 64-bit 4CPU             3158  50.5-36.5  (+27-13=47)   99.8   +13
 - Wasp 3.50 64-bit 4CPU              3151  22.5-17.5  (+13-8 =19)  100.0    -3
 - Protector 1.9.0 64-bit 4CPU        3127  27.5-17.5  (+18-8 =19)  100.0    +4
 - Defenchess (SCTR) 1.1f 64-bit 4CPU 3120  27.5-16.5  (+16-5 =23)  100.0    +1
 - Wasp 3.0 64-bit 4CPU               3115  16.5-11.5  (+10-5 =13)  100.0   -22
 - Rodent III 0.273 64-bit 4CPU       3093  33.5-16.5  (+22-5 =23)  100.0    +3
 - chess22k 1.11 64-bit 4CPU          3080  34.0-23.0  (+18-7 =32)  100.0   -56


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019