CCRL 40/4
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 2'140'277 games
played by 2'505 programs
29019 CPU days (X2 4600+)

White wins: 829'307 (38.7%)
Black wins: 669'765 (31.3%)
Draws: 641'205 (30.0%)
White score: 53.7%

Engine Details

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Show each game results
Rybka 2.2 64-bit 4CPU in CCRL 40/4, 2019-11-30
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:
Rybka 2.2 64-bit 4CPU has no rank with rating of 3001 Elo points (+12 -12),
based on 2396 games: 902 wins, 506 losses and 988 draws
Score: 58.3%, Average opponent: −62.7, Draws: 41.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 1.6s JA 64-bit 4CPU      3092  41.5-57.5  (+22-38=39)    0.0   +38
 - Stockfish 1.6.3 64-bit 4CPU        3089  34.0-66.0  (+11-43=46)    0.0   -11
 - Naum 4.1 64-bit 4CPU               3069  21.5-28.5  (+6 -13=31)    0.0   +29
 - Naum 4 64-bit 4CPU                 3061  42.5-57.5  (+14-29=57)    0.0   +14
 - Deep Shredder 12 64-bit 4CPU       3041  91.5-108.5 (+49-66=85)    0.0   +13
 - Stockfish 1.5.1 64-bit 4CPU        3028  46.0-54.0  (+27-35=38)    0.2    +1
 - Naum 3.1 64-bit 4CPU               2978  52.0-48.0  (+22-18=60)   99.9   -11
 - Stockfish 1.4 64-bit 4CPU          2975  58.0-42.0  (+39-23=38)   99.8   +25
 - Zappa Mexico II 64-bit 4CPU        2970  56.0-43.0  (+32-19=48)  100.0    +7
 - Spark 0.3 64-bit 4CPU              2969  49.5-50.5  (+22-23=55)  100.0   -32
 - Spark 0.3a 64-bit 4CPU             2961  29.0-21.0  (+17-9 =24)  100.0    +6
 - Thinker 5.4c Inert 64-bit 4CPU     2951  56.0-44.0  (+34-22=44)  100.0   -13
 - Deep Junior 11.1a 64-bit 4CPU      2942  29.0-21.0  (+20-12=18)  100.0    -6
 - Deep Sjeng WC2008 64-bit 4CPU      2940  58.0-42.0  (+34-18=48)  100.0   -12
 - Hiarcs 12.1 4CPU                   2938  57.0-43.0  (+40-26=34)  100.0   -16
 - Deep Shredder 11 64-bit 4CPU       2931  59.5-40.5  (+41-22=37)  100.0    -7
 - Deep Sjeng 3.0 64-bit 4CPU         2929  62.5-37.5  (+44-19=37)  100.0   +11
 - Thinker 5.4a Inert 64-bit 4CPU     2926  60.0-40.0  (+33-13=54)  100.0   -15
 - Glaurung 2.2 64-bit 4CPU           2914  64.0-36.0  (+47-19=34)  100.0    +6
 - Bright 0.5c 4CPU                   2905  33.5-16.5  (+25-8 =17)  100.0   +18
 - Fritz 11                           2887  64.5-35.5  (+36-7 =57)  100.0   -30
 - Loop M1-T 64-bit 4CPU              2881  67.5-31.5  (+48-12=39)  100.0    -1
 - Crafty 23.0 64-bit 4CPU            2743  80.0-19.0  (+68-7 =24)  100.0   -28
 - Scorpio 2.1 64-bit 4CPU            2722  88.0-12.0  (+81-5 =14)  100.0   +49
 - Arasan 11.3 64-bit 4CPU            2573  95.0-5.0   (+90-0 =10)  100.0   +22


Created in 2005-2013 by CCRL team
Last games added on November 30, 2019