CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Engine Details

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Pirarucu 1.72 64-bit in CCRL 40/4, 2019-09-14
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:
Pirarucu 1.72 64-bit has no rank with rating of 2093 Elo points (+30 -29),
based on 464 games: 272 wins, 127 losses and 65 draws
Score: 65.6%, Average opponent: −122.1, Draws: 14.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Gerbil 0.2 64-bit                  2043  20.5-9.5   (+19-8 =3 )   99.9   +98
 - Ax 0.8                             2041  12.0-16.0  (+10-14=4 )   99.9  -113
 - Bestia 0.90                        2021  18.0-12.0  (+15-9 =6 )  100.0    +1
 - Plywood 1.73                       2019  15.0-12.0  (+14-11=2 )  100.0   -27
 - Little Wing 0.4.0 64-bit           2017  22.5-7.5   (+21-6 =3 )  100.0  +131
 - Snowy 0.2 64-bit                   1990  17.0-9.0   (+14-6 =6 )  100.0   +10
 - BigLion 2.23x                      1989  16.5-11.5  (+15-10=3 )  100.0   -32
 - Elephant 1.06                      1989  20.0-10.0  (+18-8 =4 )  100.0   +25
 - Arabian Knight 1.55                1987  17.0-11.0  (+15-9 =4 )  100.0   -19
 - Bubble 1.5                         1987  20.5-8.5   (+19-7 =3 )  100.0   +59
 - La Dame Blanche 2.0c               1968  21.5-8.5   (+20-7 =3 )  100.0   +54
 - Eagle 0.7.5                        1911  20.0-10.0  (+19-9 =2 )  100.0   -44
 - Dabbaba 7.49                       1908  20.0-9.0   (+18-7 =4 )  100.0   -33
 - Warrior 1.0.3                      1907  20.0-10.0  (+15-5 =10)  100.0   -77
 - Purple Haze 2.1.0                  1884  22.5-6.5   (+21-5 =3 )  100.0   +19
 - MrChess 2.1                        1884  21.5-8.5   (+19-6 =5 )  100.0   -40


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