CCRL 40/4
Downloads and Statistics
July 6, 2019
Testing summary:
Total: 2'062'148 games
played by 2'380 programs
27711 CPU days (X2 4600+)

White wins: 801'254 (38.9%)
Black wins: 648'494 (31.4%)
Draws: 612'400 (29.7%)
White score: 53.7%

Engine Details

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Pigeon 1.5.0 64-bit in CCRL 40/4, 2019-07-06
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:
Pigeon 1.5.0 64-bit has no rank with rating of 1766 Elo points (+20 -20),
based on 986 games: 431 wins, 289 losses and 266 draws
Score: 57.2%, Average opponent: −57.3, Draws: 27.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Jumbo 0.1.10                       2094   2.5-7.5   (+1 -6 =3 )    0.0  +154
 - Warrior 1.0.3                      1907   7.0-25.0  (+4 -22=6 )    0.0   -77
 - SnailChess 4.013                   1897   8.5-18.5  (+0 -10=17)    0.0   +28
 - Robocide 20160510 64-bit           1888  13.5-18.5  (+7 -12=13)    0.0   +70
 - Purple Haze 2.1.0                  1884  10.0-22.0  (+8 -20=4 )    0.0   -31
 - Ranita 2.4                         1843  15.5-16.5  (+9 -10=13)    0.0   +65
 - Celes 0.77c                        1826  14.0-18.0  (+11-15=6 )    0.0   +14
 - Sayuri 2016.09.12 64-bit           1811   8.5-13.5  (+5 -10=7 )    0.1   -30
 - Chess4j 3.0 64-bit                 1806  16.5-13.5  (+11-8 =11)    0.3   +71
 - MorphyChess 1.0.5                  1805  11.0-19.0  (+7 -15=8 )    0.1   -56
 - Beaches 2.32                       1804  20.5-11.5  (+14-5 =13)    0.0  +126
 - Enigma 1.1.4                       1793  15.5-16.5  (+10-11=11)    1.0   +17
 - Cecir 3.5                          1783  18.0-14.0  (+16-12=4 )    7.4   +64
 - Chenard 2015.04.08 64-bit          1778  14.5-15.5  (+11-12=7 )   20.4     0
 - Mint 2.3                           1765  15.5-16.5  (+11-12=9 )   53.2   -13
 - Robin 0.983                        1764  17.5-12.5  (+14-9 =7 )   57.7   +56
 - Vicki 0.041a                       1746  14.0-16.0  (+11-13=6 )   95.8   -44
 - Elf 1.3.0                          1743  17.5-13.5  (+16-12=3 )   98.2   +29
 - Kanguruh 1.93                      1736  18.0-14.0  (+14-10=8 )   99.6   +13
 - Adamant 1.7                        1735  19.5-11.5  (+17-9 =5 )   99.8   +66
 - IQ23.003                           1644  19.5-12.5  (+16-9 =7 )  100.0   -44
 - ChessRikus 1.466                   1637  22.5-9.5   (+18-5 =9 )  100.0   +14
 - Storm 0.6                          1629  19.5-12.5  (+15-8 =9 )  100.0   -61
 - AdaChess 2.0                       1615  21.0-11.0  (+14-4 =14)  100.0   -52
 - Rainman 0.7.5                      1614  19.0-8.0   (+16-5 =6 )  100.0    -2
 - Zotron 4.4.6                       1593  21.5-10.5  (+17-6 =9 )  100.0   -52
 - Needle 0.531                       1581  22.0-9.0   (+18-5 =8 )  100.0   -33
 - Skiull 0.1 64-bit                  1560  21.0-10.0  (+16-5 =10)  100.0   -87
 - Embla 0.9.3 64-bit                 1523  25.5-6.5   (+20-1 =11)  100.0   -42
 - Piranha 0.5                        1503  26.0-6.0   (+22-2 =8 )  100.0   -31
 - Numpty Recharged 64-bit            1470  25.0-6.0   (+22-3 =6 )  100.0   -59
 - Blikskottel 0.8                    1459  28.0-3.0   (+26-1 =4 )  100.0   +51
 - Satana 2.4.19 64-bit               1408   7.0-3.0   (+6 -2 =2 )  100.0  -207
 - Neurone XXIII                      1218   9.0-1.0   (+8 -0 =2 )  100.0  -221


Created in 2005-2013 by CCRL team
Last games added on July 6, 2019