CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Pirarucu 2.9.5 64-bit in CCRL 40/4, 2019-07-20
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:
Pirarucu 2.9.5 64-bit has no rank with rating of 2985 Elo points (+18 -18),
based on 962 games: 293 wins, 296 losses and 373 draws
Score: 49.8%, Average opponent: −2.4, Draws: 38.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - iCE 3.0 64-bit                     3081  15.0-25.0  (+6 -16=18)    0.0   +16
 - Wasp 3.50 64-bit                   3065  12.5-19.5  (+4 -11=17)    0.0   +15
 - RubiChess 1.4 64-bit               3050  12.0-20.0  (+4 -12=16)    0.0    -8
 - Defenchess (SCTR) 1.1f 64-bit      3048  14.0-18.0  (+9 -13=10)    0.0   +18
 - ChessBrainVB 3.72                  3048  14.5-17.5  (+9 -12=11)    0.0   +32
 - SmarThink 1.98 64-bit              3034  31.5-38.5  (+23-30=17)    0.0   +18
 - Naum 4.6 64-bit                    3033  14.0-18.0  (+7 -11=14)    0.0    +4
 - Hakkapeliitta TCEC v2 64-bit       3023  32.5-39.5  (+22-29=21)    0.0    +6
 - Demolito 2018-10-29 64-bit         3017  35.0-37.0  (+22-24=26)    0.4   +23
 - Rodent III 0.273 64-bit            3001  13.5-22.5  (+5 -14=17)   10.4   -58
 - Deuterium 2019.1.36.50 64-bit      3000  18.0-14.0  (+11-7 =14)   11.1   +54
 - ChessBrainVB 3.70                  3000  13.0-19.0  (+6 -12=14)   12.3   -41
 - Rodent III 0.275 64-bit            2998  12.5-19.5  (+5 -12=15)   22.8   -51
 - Hiarcs 14                          2986  11.5-20.5  (+7 -16=9 )   47.1   -98
 - Amoeba 3.0 64-bit                  2974  22.0-18.0  (+10-6 =24)   80.7   +19
 - RubiChess 1.3 64-bit               2970  18.5-13.5  (+12-7 =13)   87.8   +35
 - Bobcat 8.0 64-bit                  2960  40.0-32.0  (+24-16=32)   99.0    +6
 - Amoeba 2.8 64-bit                  2952  36.0-36.0  (+21-21=30)   99.8   -32
 - Cheng 4.39 64-bit                  2944  43.5-28.5  (+28-13=31)  100.0   +25
 - Winter 0.6 64-bit                  2939  18.0-14.0  (+12-8 =12)  100.0    -6
 - Lc0 0.21.0 w32930 64-bit           2755  26.0-6.0   (+24-4 =4 )  100.0   +24
 - Lc0 0.20.2 w32930 64-bit           2676  26.0-6.0   (+22-2 =8 )  100.0   -81


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