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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Pigeon 1.5.1 64-bit 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:
Pigeon 1.5.1 64-bit is #404 with rating of 1835 Elo points (+27 -27),
based on 502 games: 138 wins, 233 losses and 131 draws
Score: 40.5%, Average opponent: +70.4, Draws: 26.1%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Matant 5.04                       2066   6.5-23.5  (+3 -20=7 )    0.0   +21
 - Squared-chess 1.3.0 64-bit        2045   9.0-23.0  (+4 -18=10)    0.0   +58
 - Ceibo 0.4 64-bit                  2020   9.0-31.0  (+5 -27=8 )    0.0   -27
 - ALChess 1.84                      1990   6.5-25.5  (+5 -24=3 )    0.0   -97
 - Zeta Dva 0306 64-bit              1971  11.5-18.5  (+5 -12=13)    0.0   +62
 - Zeta Dva 0310 64-bit              1966  12.5-19.5  (+8 -15=9 )    0.0   +55
 - Etude 0.1.2                       1948  10.5-21.5  (+6 -17=9 )    0.0    -5
 - Franky 1.0 64-bit                 1945   6.5-25.5  (+6 -25=1 )    0.0  -163
 - Dabbaba 7.49                      1906  16.5-23.5  (+10-17=13)    0.0   +14
 - Apollo 1.2.1 64-bit               1826  15.5-16.5  (+10-11=11)   70.6   -19
 - Predateur 2.2.1 64-bit            1820  23.0-17.0  (+17-11=12)   82.4   +34
 - RataAeroespacial 0.2.1            1814  26.5-23.5  (+21-18=11)   91.8    +1
 - Ziggurat 0.22 64-bit              1760  25.5-14.5  (+18-7 =15)  100.0   +15
 - Enigma 1.1.4                      1735  24.5-15.5  (+20-11=9 )  100.0   -16


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