CCRL 40/4
Downloads and Statistics
December 14, 2019
Testing summary:
Total: 2'147'837 games
played by 2'515 programs
29208 CPU days (X2 4600+)

White wins: 831'895 (38.7%)
Black wins: 671'656 (31.3%)
Draws: 644'286 (30.0%)
White score: 53.7%

Engine Details

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Amoeba 3.0 64-bit 4CPU in CCRL 40/4, 2019-12-14
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Amoeba 3.0 64-bit 4CPU is #53 with rating of 3051 Elo points (+18 -18),
based on 941 games: 276 wins, 256 losses and 409 draws
Score: 51.1%, Average opponent: −4.4, Draws: 43.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - RofChade 2.1 64-bit 4CPU           3309  11.0-39.0  (+4 -32=14)    0.0   +56
 - RubiChess 1.4 64-bit 4CPU          3134   1.5-0.5   (+1 -0 =1 )    0.0  +240
 - Protector 1.9.0 64-bit 4CPU        3128   0.5-1.5   (+0 -1 =1 )    0.0   -80
 - Demolito 2018-10-29 64-bit 4CPU    3104   1.0-1.0   (+1 -1 =0 )    0.0   +53
 - Rodent III 0.273 64-bit 4CPU       3091  22.0-30.0  (+8 -16=28)    0.1    -3
 - Pirarucu 2.9.5 64-bit 4CPU         3085  14.5-12.5  (+7 -5 =15)    0.8   +57
 - Winter 0.7 64-bit 4CPU             3083  29.0-40.0  (+16-27=26)    1.2   -18
 - iCE 3.0 64-bit                     3081  38.5-47.5  (+14-23=49)    0.2     0
 - Cheng 4.39 64-bit 4CPU             3061  17.0-17.0  (+10-10=14)   21.5   +10
 - Crafty 25.2 64-bit 4CPU            3055  24.0-27.0  (+14-17=20)   38.7   -17
 - Bobcat 8.0 64-bit 4CPU             3052  44.0-41.0  (+24-21=40)   48.5   +11
 - Marvin 3.4.0 64-bit 4CPU           3043   1.0-1.0   (+1 -1 =0 )   72.6    -8
 - SmarThink 1.98 64-bit              3040  16.5-17.5  (+10-11=13)   86.8   -21
 - Spike 1.4 Leiden 4CPU              3039  17.0-19.0  (+9 -11=16)   88.1   -29
 - Spark 1.0 64-bit 4CPU              3028  23.5-12.5  (+16-5 =15)   98.8   +74
 - Igel 2.1.0 64-bit 4CPU             3025  48.5-34.5  (+30-16=37)   96.6   +25
 - Deuterium 2019.1.36.50 64-bit      2999  20.5-13.5  (+15-8 =11)  100.0   +15
 - The Baron 3.44 64-bit 4CPU         2998  23.0-12.0  (+16-5 =14)  100.0   +46
 - Tucano 7.00 64-bit 4CPU            2995  20.5-14.5  (+13-7 =15)  100.0    -4
 - Scorpio 2.8 64-bit 4CPU            2994  20.5-14.5  (+14-8 =13)  100.0    -2
 - Gaviota 1.0 64-bit 4CPU            2976  21.0-14.0  (+12-5 =18)  100.0   -16
 - Zappa Mexico II 64-bit 4CPU        2970  21.0-12.0  (+15-6 =12)  100.0    +5
 - Cheng 4.39 64-bit                  2945  26.0-24.0  (+14-12=24)  100.0   -93
 - Crafty 25.2 64-bit                 2933  18.5-14.5  (+12-8 =13)  100.0   -78


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