CCRL 40/4
Downloads and Statistics
July 17, 2019
Testing summary:
Total: 2'068'038 games
played by 2'396 programs
27793 CPU days (X2 4600+)

White wins: 803'434 (38.9%)
Black wins: 650'049 (31.4%)
Draws: 614'555 (29.7%)
White score: 53.7%

Engine Details

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Gull 2.2 64-bit 4CPU in CCRL 40/4, 2019-07-17
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:
Gull 2.2 64-bit 4CPU has no rank with rating of 3223 Elo points (+20 -20),
based on 945 games: 468 wins, 129 losses and 348 draws
Score: 67.9%, Average opponent: −132.1, Draws: 36.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 3 64-bit 4CPU              3319  21.0-29.0  (+9 -17=24)    0.0   +49
 - Stockfish 4 64-bit 4CPU            3269  21.5-28.5  (+8 -15=27)    0.0    +6
 - Komodo 6 64-bit 4CPU               3251  19.0-31.0  (+8 -20=22)    1.9   -47
 - Komodo 5.1 64-bit 4CPU             3238  21.5-27.5  (+11-17=21)   11.2   -21
 - Critter 1.6a 64-bit 4CPU           3231  26.5-23.5  (+12-9 =29)   21.3   +24
 - Rybka 4.1 64-bit 4CPU              3205  29.5-20.5  (+18-9 =23)   95.6   +38
 - Hannibal 1.4b 64-bit 4CPU          3117  35.5-14.5  (+23-2 =25)  100.0   +21
 - Naum 4.2 64-bit 4CPU               3098  37.0-13.0  (+29-5 =16)  100.0   +38
 - Protector 1.5.0 64-bit 4CPU        3086  34.0-15.0  (+24-5 =20)  100.0   -13
 - Hannibal 1.3 64-bit 4CPU           3066  38.0-11.0  (+32-5 =12)  100.0   +44
 - Deep Shredder 12 64-bit 4CPU       3041  38.5-11.5  (+31-4 =15)  100.0    +9
 - Spike 1.4 Leiden 4CPU              3037  33.0-16.0  (+23-6 =20)  100.0   -74
 - Spark 1.0 64-bit 4CPU              3028  37.0-12.0  (+29-4 =16)  100.0   -17
 - Deep Junior 13.3 64-bit 4CPU       3026  37.0-13.0  (+27-3 =20)  100.0   -41
 - Protector 1.4.0 64-bit 4CPU        2971  41.0-9.0   (+35-3 =12)  100.0   -10
 - Zappa Mexico II 64-bit 4CPU        2970  39.0-11.0  (+30-2 =18)  100.0   -65
 - Deep Sjeng WC2008 64-bit 4CPU      2940  42.5-7.5   (+37-2 =11)  100.0   -10
 - Toga II 3.0 4CPU                   2930  44.5-5.5   (+40-1 =9 )  100.0   +32
 - Toga II 1.4 beta5c 4CPU            2904  46.0-4.0   (+42-0 =8 )  100.0   +50


Created in 2005-2013 by CCRL team
Last games added on July 17, 2019