CCRL Blitz
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 2'387'265 games
played by 2'826 programs

White wins: 919'531 (38.5%)
Black wins: 739'461 (31.0%)
Draws: 728'273 (30.5%)
White score: 53.8%

Engine Details

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Rybka 2.3.2a 32-bit in CCRL Blitz, 2020-10-17
Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "about" page.
Tested by CCRL team, 2005-2020, http://ccrl.chessdom.com/ccrl/404/

CCRL Blitz main list:
Rybka 2.3.2a 32-bit has no rank with rating of 2922 Elo points (+16 -16),
based on 1352 games: 656 wins, 216 losses and 480 draws
Score: 66.3%, Average opponent: −112.4, Draws: 35.5%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Stockfish 1.8 64-bit                    3057   3.0-9.0   (+1 -7 =4 )    0.0   -31
 - Rybka 3 32-bit                          3042  21.0-59.0  (+4 -42=34)    0.0   -31
 - Stockfish 2.0.1 32-bit                  2999  10.0-20.0  (+5 -15=10)    0.0   -33
 - Deep Sjeng c't 2010                     2925  36.0-33.0  (+22-19=28)   40.0   +18
 - Fritz 11                                2888  27.5-25.5  (+14-12=27)  100.0   -22
 - Komodo 1.3 32-bit                       2887  18.5-17.5  (+8 -7 =21)   96.5   -27
 - Hannibal 1.0a 64-bit                    2861  17.5-12.5  (+10-5 =15)  100.0   -12
 - Shredder 11                             2847  35.5-29.5  (+23-17=25)  100.0   -44
 - Junior 2010                             2821  22.0-18.0  (+15-11=14)  100.0   -71
 - Loop 10.32f                             2812  14.5-5.5   (+10-1 =9 )  100.0   +26
 - Hiarcs 11.2                             2806  53.5-25.5  (+40-12=27)  100.0    +1
 - Hiarcs 11.1                             2803  27.0-9.0   (+22-4 =10)  100.0   +57
 - Fritz 10                                2799  28.5-17.5  (+19-8 =19)  100.0   -47
 - Fruit 05/11/03                          2792  48.5-18.5  (+36-6 =25)  100.0   +17
 - Hiarcs 11                               2790   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Shredder Classic 4 c't                  2784  40.5-14.5  (+30-4 =21)  100.0   +16
 - Fruit 2.3                               2782  25.5-6.5   (+21-2 =9 )  100.0   +74
 - Fruit 2.3.1                             2780  28.0-7.0   (+23-2 =10)  100.0   +74
 - Bright 0.4a                             2779   8.0-3.0   (+6 -1 =4 )  100.0   +13
 - Loop 13.6 (Loop 2007) 32-bit            2775  35.5-11.5  (+27-3 =17)  100.0   +25
 - Naum 2.2 32-bit                         2769  40.5-16.5  (+30-6 =21)  100.0   -15
 - Loop 13.5 32-bit                        2762  35.5-12.5  (+26-3 =19)  100.0    -7
 - Zappa Mexico 32-bit                     2760  64.5-27.5  (+50-13=29)  100.0   -24
 - Crafty 23.3 64-bit                      2757  26.0-4.0   (+22-0 =8 )  100.0  +109
 - Shredder 10                             2754  17.0-3.0   (+15-1 =4 )  100.0  +108
 - Zap!Chess Zanzibar 32-bit               2741  14.0-6.0   (+10-2 =8 )  100.0   -55
 - Junior 10                               2738  17.0-3.0   (+15-1 =4 )  100.0   +95
 - Naum 2.1 32-bit                         2738  24.5-8.5   (+19-3 =11)  100.0   -17
 - Hiarcs 10                               2735  17.0-3.0   (+16-2 =2 )  100.0  +119
 - Spike 1.2 Turin                         2731  28.0-8.0   (+21-1 =14)  100.0    -7
 - Chess Tiger 2007.1                      2713  16.5-3.5   (+13-0 =7 )  100.0   +13
 - Naum 2.0 32-bit                         2699   3.0-0.0   (+3 -0 =0 )  100.0  +INF
 - Bright 0.2c                             2687  44.0-8.0   (+39-3 =10)  100.0   +40
 - Bright 0.2b                             2685   9.5-2.5   (+7 -0 =5 )  100.0   -48
 - Alaric 707                              2662  13.0-2.0   (+11-0 =4 )  100.0   +15
 - Glaurung 1.2.1 32-bit                   2657   3.5-0.5   (+3 -0 =1 )  100.0   +38
 - Scorpio 2.0 32-bit                      2655   1.5-0.5   (+1 -0 =1 )  100.0  -109
 - CM10th Paralyse                         2654   3.0-0.0   (+3 -0 =0 )  100.0  +INF
 - Scorpio 1.9                             2641   3.0-1.0   (+3 -1 =0 )  100.0   -62
 - CM10th Xperience                        2638   3.0-0.0   (+3 -0 =0 )  100.0  +INF
 - Slow Chess Blitz WV2.1                  2614   2.5-0.5   (+2 -0 =1 )  100.0   -89
 - Colossus 2007d                          2610   2.5-0.5   (+2 -0 =1 )  100.0   -84
 - Delfi 5.2                               2608   1.5-1.5   (+1 -1 =1 )  100.0  -298
 - WildCat 7                               2605   1.0-1.0   (+1 -1 =0 )  100.0  -317
 - Pharaon 3.5.1                           2602   3.0-0.0   (+3 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on October 17, 2020