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 2.9.5 64-bit 4CPU 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 2.9.5 64-bit 4CPU is #44 with rating of 3086 Elo points (+28 -28),
based on 398 games: 138 wins, 86 losses and 174 draws
Score: 56.5%, Average opponent: −41.2, Draws: 43.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Defenchess 2.1 64-bit 4CPU         3289   8.0-22.0  (+2 -16=12)    0.0   +52
 - RubiChess 1.4 64-bit 4CPU          3135  10.0-16.0  (+1 -7 =18)    0.7   -11
 - iCE 3.0 64-bit                     3081  15.0-14.0  (+7 -6 =16)   65.0    +8
 - Bobcat 8.0 64-bit 4CPU             3056  17.0-12.0  (+8 -3 =18)   97.1   +12
 - Spike 1.4 Leiden 4CPU              3038  16.5-12.5  (+11-7 =11)   99.9    -3
 - SmarThink 1.98 64-bit              3037  16.0-11.0  (+10-5 =12)   99.9    +8
 - Spark 1.0 64-bit 4CPU              3029  14.0-15.0  (+9 -10=10)  100.0   -69
 - Hakkapeliitta TCEC v2 64-bit       3022  12.5-15.5  (+7 -10=11)  100.0   -96
 - Gogobello 2.0 64-bit 4CPU          3018  18.5-9.5   (+15-6 =7 )  100.0   +45
 - EXchess 7.97b 64-bit 4CPU          3014  18.5-10.5  (+11-3 =15)  100.0    +9
 - Tucano 7.00 64-bit 4CPU            2995  21.5-6.5   (+16-1 =11)  100.0   +82
 - Scorpio 2.8 64-bit 4CPU            2994  17.5-10.5  (+10-3 =15)  100.0   -20
 - Gaviota 1.0 64-bit 4CPU            2972  21.5-7.5   (+17-3 =9 )  100.0   +50
 - The Baron 3.43 64-bit 4CPU         2943  18.5-10.5  (+14-6 =9 )  100.0   -52


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