CCRL 40/15
Downloads and Statistics
January 18, 2020
Testing summary:
Total: 1'114'202 games
played by 2'605 programs

White wins: 385'748 (34.6%)
Black wins: 286'303 (25.7%)
Draws: 442'151 (39.7%)
White score: 54.5%

Engine Details

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Rybka 2.2 64-bit 4CPU in CCRL 40/15, 2020-01-18
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2020, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
Rybka 2.2 64-bit 4CPU has no rank with rating of 2975 Elo points (+20 -19),
based on 859 games: 370 wins, 136 losses and 353 draws
Score: 63.6%, Average opponent: −92.9, Draws: 41.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - ChessBrainVB 3.68 4CPU             3124   5.5-10.5  (+3 -8 =5 )    0.0   +42
 - Defenchess 1.1f 64-bit 4CPU        3066   7.5-12.5  (+3 -8 =9 )    0.0   +15
 - Pirarucu 2.9.5 64-bit 4CPU         3021   4.5-7.5   (+3 -6 =3 )    1.3   -42
 - Rybka 2.1 64-bit 4CPU              2997  16.0-14.0  (+6 -4 =20)   10.1   +38
 - Stockfish 1.5.1 64-bit 4CPU        2969  30.5-33.5  (+14-17=33)   63.9   -18
 - EXchess 7.88b 64-bit 4CPU          2958   5.0-5.0   (+2 -2 =6 )   82.9   -17
 - Stockfish 1.4 64-bit 4CPU          2948  66.0-57.0  (+37-28=58)   98.5    -4
 - Zap!Chess Zanzibar 64-bit 4CPU     2947  31.0-29.0  (+17-15=28)   96.6   -16
 - Thinker 5.4c Inert 64-bit 4CPU     2923  15.5-16.5  (+5 -6 =21)  100.0   -62
 - Toga II 1.4.1SE 4CPU               2904  17.5-14.5  (+10-7 =15)  100.0   -41
 - Bright 0.4a 4CPU                   2896  17.0-15.0  (+12-10=10)  100.0   -55
 - Glaurung 2.2 64-bit 4CPU           2896  19.0-13.0  (+13-7 =12)  100.0   -19
 - Hiarcs 11.1 4CPU                   2876  25.5-9.5   (+19-3 =13)  100.0   +49
 - Naum 2.1 64-bit 4CPU               2864  23.0-9.0   (+15-1 =16)  100.0   +23
 - Igel 1.9.0 64-bit 4CPU             2849  11.0-5.0   (+9 -3 =4 )  100.0    +7
 - Loop 13.6 (Loop 2007) 64-bit 4CPU  2837  25.5-8.5   (+18-1 =15)  100.0   +19
 - Deep Shredder 10 64-bit 4CPU       2831  25.0-6.0   (+21-2 =8 )  100.0   +78
 - Deep Fritz 10 4CPU                 2830  24.5-5.5   (+19-0 =11)  100.0   +71
 - Deep Junior 10 4CPU                2802  26.0-5.0   (+23-2 =6 )  100.0   +95
 - Glaurung 1.2.1 64-bit 4CPU         2765  26.0-6.0   (+21-1 =10)  100.0    +9
 - Crafty 23.0 64-bit 4CPU            2759  25.5-6.5   (+20-1 =11)  100.0   -11
 - Toga II 1.2.1a 32-bit              2759  23.0-7.0   (+17-1 =12)  100.0   -47
 - Spike 1.2 Turin                    2745  26.0-4.0   (+22-0 =8 )  100.0   +43
 - Scorpio 2.0 32-bit 4CPU            2731  25.5-5.5   (+21-1 =9 )  100.0   -10
 - Scorpio 2.1 64-bit 4CPU            2719  25.0-7.0   (+20-2 =10)  100.0   -60


Created in 2005-2013 by CCRL team
Last games added on January 18, 2020