CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Engine Details

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Amoeba 3.0 64-bit 4CPU in CCRL 40/40, 2019-07-19
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:
Amoeba 3.0 64-bit 4CPU is #42 with rating of 3051 Elo points (+26 -26),
based on 466 games: 151 wins, 106 losses and 209 draws
Score: 54.8%, Average opponent: −31.8, Draws: 44.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Fritz 16 64-bit 4CPU               3192   7.0-23.0  (+1 -17=12)    0.0   -33
 - Pedone 1.8 64-bit 4CPU             3145   9.0-21.0  (+3 -15=12)    0.0   -32
 - Strelka 5.5 64-bit                 3103  14.5-15.5  (+8 -9 =13)    0.0   +41
 - Wasp 3.50 64-bit 4CPU              3101  11.5-18.5  (+2 -9 =19)    0.1   -12
 - Defenchess (SCTR) 1.1f 64-bit 4CPU 3065  15.5-14.5  (+8 -7 =15)   20.7   +24
 - RubiChess 1.3 64-bit 4CPU          3064  11.0-19.0  (+3 -11=16)   23.3   -64
 - Demolito 2018-10-29 64-bit 4CPU    3050  15.0-15.0  (+8 -8 =14)   52.2    -3
 - Pirarucu 2.7.4 64-bit 4CPU         3020  15.5-14.5  (+6 -5 =19)   96.9   -23
 - Crafty 25.2 64-bit 4CPU            3013  20.5-9.5   (+15-4 =11)   99.4   +84
 - Scorpio 2.8 64-bit 4CPU            2983  18.5-11.5  (+9 -2 =19)  100.0     0
 - Toga II 4.0 64-bit 4CPU            2956  20.0-10.0  (+14-4 =12)  100.0   +11
 - Tucano 7.07 64-bit 4CPU            2941  11.5-4.5   (+9 -2 =5 )  100.0   +38
 - The Baron 3.44 64-bit 4CPU         2939  20.5-9.5   (+13-2 =15)  100.0    -5
 - Thinker 5.4d Inert 64-bit 4CPU     2926  21.5-8.5   (+16-3 =11)  100.0   +14
 - Atlas 3.91 64-bit                  2899  22.0-8.0   (+18-4 =8 )  100.0   +11
 - Godel 5.5.1 64-bit                 2873  22.0-8.0   (+18-4 =8 )  100.0   -13


Created in 2005-2013 by CCRL team
Last games added on July 19, 2019