CCRL Blitz
Downloads and Statistics
September 26, 2020
Testing summary:
Total: 2'375'566 games
played by 2'806 programs

White wins: 914'963 (38.5%)
Black wins: 735'833 (31.0%)
Draws: 724'770 (30.5%)
White score: 53.8%

Engine Details

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Stockfish 2.3.1 64-bit 4CPU in CCRL Blitz, 2020-09-26
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:
Stockfish 2.3.1 64-bit 4CPU has no rank with rating of 3221 Elo points (+18 -18),
based on 951 games: 343 wins, 162 losses and 446 draws
Score: 59.5%, Average opponent: −60.1, Draws: 46.9%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Houdini 3 64-bit 4CPU                   3319  20.0-30.0  (+6 -16=28)    0.0   +40
 - Houdini 2.0c 64-bit 4CPU                3277  54.0-64.0  (+33-43=42)    0.0   +29
 - Critter 1.6a 64-bit 4CPU                3233  49.5-54.5  (+18-23=63)   10.5    -2
 - Rybka 4.1 64-bit 4CPU                   3207  54.0-50.0  (+26-22=56)   92.9    -1
 - Komodo 5 64-bit                         3145  64.5-39.5  (+38-13=53)  100.0    -6
 - Strelka 5.5 64-bit                      3140  64.5-36.5  (+38-10=53)  100.0     0
 - Hiarcs 14 4CPU                          3108  36.0-16.0  (+29-9 =14)  100.0   +22
 - Naum 4.2 64-bit 4CPU                    3098  65.0-35.0  (+42-12=46)  100.0   -31
 - Chiron 1.5 64-bit 4CPU                  3095  33.5-18.5  (+20-5 =27)  100.0   -41
 - Deep Fritz 13 4CPU                      3073  36.5-15.5  (+24-3 =25)  100.0   -26
 - Chiron 1.1a 64-bit 4CPU                 3064  47.0-15.0  (+35-3 =24)  100.0   +10
 - Deep Junior 13.3 64-bit 4CPU            3025  41.5-10.5  (+34-3 =15)  100.0   +17


Created in 2005-2013 by CCRL team
Last games added on September 26, 2020