CCRL 40/4
Downloads and Statistics
August 20, 2019
Testing summary:
Total: 2'086'404 games
played by 2'425 programs
28073 CPU days (X2 4600+)

White wins: 810'229 (38.8%)
Black wins: 655'304 (31.4%)
Draws: 620'871 (29.8%)
White score: 53.7%

Engine Details

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Ceibo 0.3.65 64-bit in CCRL 40/4, 2019-08-20
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:
Ceibo 0.3.65 64-bit has no rank with rating of 1723 Elo points (+25 -25),
based on 618 games: 256 wins, 232 losses and 130 draws
Score: 51.9%, Average opponent: −11.3, Draws: 21.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Fire 6.1 64-bit                    3288   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Devel 1.8090                       2707   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - RDChess 3.23                       2045   5.0-25.0  (+3 -23=4 )    0.0   +44
 - IACH 0.56z                         1916   7.5-22.5  (+5 -20=5 )    0.0    -5
 - MrChess 2.1                        1883   5.5-24.5  (+4 -23=3 )    0.0  -111
 - Butter 1.0 64-bit                  1864   5.0-23.0  (+1 -19=8 )    0.0   -87
 - Skiull 0.3 64-bit                  1834  10.0-20.0  (+4 -14=12)    0.0    +4
 - Robin 0.983                        1763  11.0-19.0  (+9 -17=4 )    0.2   -61
 - Ziggy 0.7                          1745  11.0-19.0  (+8 -16=6 )    8.6   -72
 - Zzzzzz 3.51                        1730  11.5-17.5  (+7 -13=9 )   33.4   -60
 - JaksaH 1.14.1 64-bit               1727  16.0-14.0  (+13-11=6 )   40.0   +30
 - TSCP 1.81                          1723  16.5-13.5  (+14-11=5 )   49.4   +40
 - Gargamella 0.5.0                   1685   0.0-1.0   (+0 -1 =0 )   99.5  -INF
 - BACE 0.45                          1677  19.0-11.0  (+16-8 =6 )  100.0   +53
 - AdaChess 20161108 64-bit           1663   9.0-2.0   (+8 -1 =2 )  100.0  +189
 - Pooky 2.7                          1656   0.5-0.5   (+0 -0 =1 )  100.0   -97
 - DChess 1.0.2                       1650  20.5-9.5   (+17-6 =7 )  100.0   +62
 - Spartan 1.0                        1643  15.0-12.0  (+12-9 =6 )  100.0   -34
 - ChessRikus 1.466                   1633   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Saruman 2017.08.10 64-bit          1621  19.5-9.5   (+13-3 =13)  100.0    +2
 - Philemon C                         1614   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Rainman 0.7.5                      1611  20.5-10.5  (+16-6 =9 )  100.0     0
 - Pulse 1.6.1 64-bit                 1609   0.5-0.5   (+0 -0 =1 )  100.0  -144
 - Zotron 4.4.6                       1592   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - Damas 9                            1581  21.0-9.0   (+19-7 =4 )  100.0   +20
 - Needle 0.531                       1581  20.5-9.5   (+16-5 =9 )  100.0   -15
 - VanillaChess 2.6g                  1576  22.5-6.5   (+21-5 =3 )  100.0   +82
 - Shallow Blue 1.1.0 64-bit          1567  24.5-7.5   (+23-6 =3 )  100.0   +67
 - Hokus-Pokus 0.6.3                  1551   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Supra 26.0 pro 64-bit              1484  25.0-7.0   (+23-5 =4 )  100.0    -7
 - Blikskottel 0.8                    1460   1.0-0.0   (+1 -0 =0 )  100.0  +INF


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