CCRL 40/4
Downloads and Statistics
August 24, 2019
Testing summary:
Total: 2'089'528 games
played by 2'430 programs
28120 CPU days (X2 4600+)

White wins: 811'498 (38.8%)
Black wins: 656'361 (31.4%)
Draws: 621'669 (29.8%)
White score: 53.7%

Engine Details

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Winter 0.6 64-bit 4CPU in CCRL 40/4, 2019-08-24
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:
Winter 0.6 64-bit 4CPU is #61 with rating of 3002 Elo points (+23 -23),
based on 592 games: 203 wins, 158 losses and 231 draws
Score: 53.8%, Average opponent: −24.5, Draws: 39.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Spike 1.4 Leiden 4CPU              3038  19.0-27.0  (+10-18=18)    0.3   -20
 - SmarThink 1.98 64-bit              3037  19.5-24.5  (+12-17=15)    0.3     0
 - Marvin 3.4.0 64-bit 4CPU           3035  20.0-22.0  (+11-13=18)    2.5   +18
 - Spark 1.0 64-bit 4CPU              3029  21.5-24.5  (+16-19=11)    1.5    +2
 - Hakkapeliitta TCEC v2 64-bit       3022  22.0-25.0  (+13-16=18)    5.4    -1
 - The Baron 3.44 64-bit 4CPU         2994  22.0-23.0  (+12-13=20)   67.4   -15
 - Amoeba 3.0 64-bit                  2974  25.0-21.0  (+16-12=18)   97.5    +1
 - Gaviota 1.0 64-bit 4CPU            2972  28.0-18.0  (+16-6 =24)   98.5   +33
 - Marvin 3.3.2 64-bit 4CPU           2941  23.0-23.0  (+13-13=20)  100.0   -61
 - DisasterArea 1.65 64-bit 4CPU      2932  27.5-18.5  (+18-9 =19)  100.0    -7
 - Atlas 3.91 64-bit                  2926  30.0-16.0  (+21-7 =18)  100.0   +24
 - EXchess 7.97b 64-bit               2913  26.0-20.0  (+17-11=18)  100.0   -46
 - Scorpio 2.8 64-bit                 2902  35.0-11.0  (+28-4 =14)  100.0   +82


Created in 2005-2013 by CCRL team
Last games added on August 24, 2019