CCRL 40/15
Downloads and Statistics
October 31, 2020
Testing summary:
Total: 1'187'224 games
played by 2'729 programs

White wins: 408'872 (34.4%)
Black wins: 301'798 (25.4%)
Draws: 476'554 (40.1%)
White score: 54.5%

Engine Details

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Cheng4 0.36a 64-bit in CCRL 40/15, 2020-10-31
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2020, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
Cheng4 0.36a 64-bit has no rank with rating of 2747 Elo points (+30 -30),
based on 370 games: 116 wins, 123 losses and 131 draws
Score: 49.1%, Average opponent: +6.6, Draws: 35.4%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Hannibal 1.2 32-bit                     2905   1.5-8.5   (+0 -7 =3 )    0.0   -94
 - Hiarcs 13.2                             2895   2.5-7.5   (+0 -5 =5 )    0.0    +2
 - Quazar 0.4 32-bit                       2879   2.0-8.0   (+2 -8 =0 )    0.0  -149
 - Protector 1.4.0 32-bit                  2878   4.0-6.0   (+2 -4 =4 )    0.0   +72
 - Gull 1.2 32-bit                         2876   2.5-7.5   (+1 -6 =3 )    0.0   -44
 - SmarThink 1.40 64-bit                   2821   7.5-12.5  (+4 -9 =7 )    0.0    -5
 - Crafty 23.8 64-bit                      2810   2.5-7.5   (+0 -5 =5 )    0.0   -85
 - DiscoCheck 5.0.1 64-bit                 2803   4.0-6.0   (+2 -4 =4 )    0.6   -10
 - Arasan 16.3 64-bit                      2782   6.5-7.5   (+3 -4 =7 )    4.5   +12
 - Glaurung 2.2 64-bit                     2782   2.0-8.0   (+1 -7 =2 )    2.1  -191
 - Gaviota 0.86 64-bit                     2781   2.5-1.5   (+2 -1 =1 )    3.5  +126
 - Naraku 1.4                              2774   0.0-2.0   (+0 -2 =0 )    6.2  -INF
 - EXchess 7.18b 64-bit                    2774   7.0-7.0   (+5 -5 =4 )    7.4   +20
 - Octochess r5190 64-bit                  2771   6.5-9.5   (+3 -6 =7 )    7.3   -32
 - Thinker 5.3b Passive 64-bit             2765   6.5-3.5   (+6 -3 =1 )   17.9  +140
 - NirvanaChess 1.4 64-bit                 2761   5.5-4.5   (+3 -2 =5 )   24.8   +37
 - GNU Chess 5.50 64-bit                   2757   2.0-2.0   (+1 -1 =2 )   29.5   +10
 - Bison 9.11 64-bit                       2756   1.5-0.5   (+1 -0 =1 )   29.9  +151
 - NirvanaChess 1.3 64-bit                 2747  14.5-11.5  (+11-8 =7 )   49.2   +38
 - Arasan 16.2 64-bit                      2738   7.5-2.5   (+7 -2 =1 )   65.9  +199
 - Chronos 1.9.9 64-bit                    2738   0.5-1.5   (+0 -1 =1 )   71.0  -166
 - Deuterium 13.1.31.113 64-bit            2728   5.5-4.5   (+3 -2 =5 )   82.8    +8
 - Bobcat 3.25 64-bit                      2724   7.0-7.0   (+2 -2 =10)   90.4   -20
 - iCE 1.0 64-bit                          2705   7.0-7.0   (+5 -5 =4 )   99.2   -45
 - ProDeo 1.86                             2701  13.5-10.5  (+10-7 =7 )   98.8     0
 - Chessmaster 11 Conqueror                2694   5.0-5.0   (+3 -3 =4 )   99.9   -57
 - Vajolet 2.48                            2691   9.5-10.5  (+4 -5 =11)   99.6   -69
 - Rodent 1.2 64-bit                       2689   9.5-4.5   (+8 -3 =3 )   99.6   +73
 - Atlas 3.60 64-bit                       2687  12.0-8.0   (+8 -4 =8 )   99.9    +5
 - Pawny 1.0 64-bit                        2659   7.0-3.0   (+6 -2 =2 )  100.0   +59
 - RedQueen 1.1.4 64-bit                   2653   9.0-1.0   (+8 -0 =2 )  100.0  +233
 - Djinn 0.992 64-bit                      2589   7.5-2.5   (+5 -0 =5 )  100.0    -7


Created in 2005-2013 by CCRL team
Last games added on October 31, 2020