CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Engine Details

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ChessBrainVB 3.66 4CPU in CCRL 40/40, 2019-08-17
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
ChessBrainVB 3.66 4CPU has no rank with rating of 3106 Elo points (+28 -28),
based on 378 games: 113 wins, 81 losses and 184 draws
Score: 54.2%, Average opponent: −27.1, Draws: 48.7%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Chiron 4 64-bit 4CPU              3191   5.5-10.5  (+1 -6 =9 )    0.0    -5
 - NirvanaChess 2.4 64-bit 4CPU      3180   6.0-10.0  (+1 -5 =10)    0.0    +3
 - Equinox 3.20 64-bit 4CPU          3175   7.0-9.0   (+3 -5 =8 )    0.0   +34
 - Booot 6.1 64-bit 4CPU             3167   5.5-10.5  (+1 -6 =9 )    0.0   -27
 - Hannibal 1.7 64-bit 4CPU          3154   7.5-8.5   (+4 -5 =7 )    0.1   +32
 - Andscacs 0.86 64-bit 4CPU         3145   4.5-11.5  (+1 -8 =7 )    1.5   -97
 - Alfil 15.7 64-bit 4CPU            3137   6.5-9.5   (+3 -6 =7 )    3.3   -24
 - Vajolet2 2.6.1 64-bit 4CPU        3136   9.0-7.0   (+5 -3 =8 )    4.9   +74
 - Gull 3.1 64-bit 4CPU              3124   6.0-10.0  (+2 -6 =8 )   19.7   -57
 - Arasan 20.4.1 64-bit 4CPU         3119   5.5-4.5   (+3 -2 =5 )   24.2   +36
 - Vajolet2 2.5 64-bit 4CPU          3097  11.0-5.0   (+7 -1 =8 )   68.9  +101
 - Pedone 1.7 64-bit 4CPU            3087   8.0-8.0   (+3 -3 =10)   87.1   -23
 - Defenchess 1.1f 64-bit 4CPU       3065   8.0-8.0   (+5 -5 =6 )   99.2   -41
 - Naum 4 64-bit 4CPU                3046  10.0-6.0   (+6 -2 =8 )  100.0   +11
 - iCE 3.0 64-bit                    3041   7.0-9.0   (+2 -4 =10)  100.0   -99
 - Stockfish 1.6.3 64-bit 4CPU       3040  10.0-6.0   (+6 -2 =8 )  100.0    +5
 - Wasp 2.01 64-bit 4CPU             3031  11.0-5.0   (+7 -1 =8 )  100.0   +36
 - Arasan 20.0 64-bit 4CPU           3026  11.0-5.0   (+7 -1 =8 )  100.0   +32
 - Bobcat 8.0 64-bit 4CPU            3025  12.0-4.0   (+8 -0 =8 )  100.0   +68
 - Nemorino 2.00 64-bit 4CPU         3012  11.0-5.0   (+7 -1 =8 )  100.0   +19
 - Texel 1.03 64-bit 4CPU            3010  10.0-6.0   (+6 -2 =8 )  100.0   -20
 - Rybka 2.1 64-bit 4CPU             2997   9.5-6.5   (+8 -5 =3 )  100.0   -40
 - Protector 1.3.6 64-bit 4CPU       2964  11.0-5.0   (+7 -1 =8 )  100.0   -33
 - EXchess 7.51b 64-bit 4CPU         2939  12.5-3.5   (+10-1 =5 )  100.0   +27


Created in 2005-2013 by CCRL team
Last games added on August 17, 2019