CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

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KnightX 1.94 64-bit in CCRL 40/40, 2019-09-14
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:
KnightX 1.94 64-bit is #254 with rating of 2350 Elo points (+22 -22),
based on 730 games: 265 wins, 275 losses and 190 draws
Score: 49.3%, Average opponent: +3.5, Draws: 26.0%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - FrankWalter 2.4.0 64-bit          2536   7.0-27.0  (+3 -23=8 )    0.0   -34
 - MadChess 2.2 64-bit               2495   7.5-26.5  (+2 -21=11)    0.0   -44
 - Drosophila 1.5.1 64-bit           2480  10.5-23.5  (+4 -17=13)    0.0    +4
 - Tunguska 1.1 64-bit               2440  16.0-22.0  (+11-17=10)    0.0   +32
 - Snitch 1.6.2 32-bit               2437  12.5-21.5  (+11-20=3 )    0.0   -21
 - RomiChess P3n 64-bit              2416  16.5-21.5  (+10-15=13)    0.0   +24
 - Simplex 0.9.8 64-bit              2400  13.0-21.0  (+8 -16=10)    0.0   -30
 - Zevra 2.1.2 r248 64-bit           2393   1.5-4.5   (+1 -4 =1 )    2.2  -146
 - Popochin 4.1 64-bit               2392   1.0-3.0   (+0 -2 =2 )    0.2  -108
 - Galjoen 0.39 64-bit               2387  17.5-16.5  (+13-12=9 )    0.3   +46
 - Ares GB 64-bit                    2387   0.5-3.5   (+0 -3 =1 )    0.3  -246
 - Zevra 2.1.1 r216 64-bit           2379   1.0-3.0   (+1 -3 =0 )    1.9  -198
 - Isa 2.0.83 64-bit                 2376   1.0-3.0   (+1 -3 =0 )   16.0  -198
 - Waxman 2017                       2369   2.5-1.5   (+2 -1 =1 )    8.1  +101
 - Isa 2.0.64 64-bit                 2360  15.5-18.5  (+10-13=11)   23.6   -19
 - Flux 2.2.1                        2357  13.0-21.0  (+7 -15=12)   31.5   -69
 - Napoleon 1.8 64-bit               2338  21.5-16.5  (+16-11=11)   78.9   +33
 - FireFly 2.7.2 64-bit              2330   0.5-3.5   (+0 -3 =1 )   91.7  -303
 - WChess 1.06                       2321  18.5-15.5  (+13-10=11)   98.5     0
 - Googleplex Starthinker 1.4 64-bit 2319  20.5-17.5  (+17-14=7 )   98.4    -3
 - CT800 1.34 64-bit                 2295  22.5-11.5  (+18-7 =9 )  100.0   +58
 - Absolute Zero 2.4.7.2 64-bit      2295  18.0-16.0  (+13-11=10)  100.0   -34
 - Barbarossa 0.5.0 64-bit           2276  16.0-18.0  (+13-15=6 )  100.0   -95
 - Esc 1.16                          2252  20.5-13.5  (+15-8 =11)  100.0   -26
 - SpaceDog 0.97.7 64-bit            2243  27.5-6.5   (+25-4 =5 )  100.0  +142
 - Madeleine 0.2                     2214  27.5-6.5   (+26-5 =3 )  100.0  +130
 - Dorpsgek Eve's Temptation 64-bit  2200  26.5-7.5   (+21-2 =11)  100.0   +41
 - Clever Girl r185 64-bit           2167   4.0-0.0   (+4 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019