CCRL 40/40
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 1'090'583 games
played by 2'551 programs
149018 CPU days (X2 4600+)

White wins: 378'348 (34.7%)
Black wins: 281'291 (25.8%)
Draws: 430'944 (39.5%)
White score: 54.4%

Engine Details

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Stockfish 1.4 64-bit in CCRL 40/40, 2019-10-12
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Stockfish 1.4 64-bit has no rank with rating of 2850 Elo points (+19 -19),
based on 844 games: 232 wins, 179 losses and 433 draws
Score: 53.1%, Average opponent: −18.2, Draws: 51.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit                     3048   8.5-23.5  (+3 -18=11)    0.0   +41
 - Naum 4 64-bit                      2956  12.5-19.5  (+6 -13=13)    0.0   +34
 - Thinker 5.4c Inert 64-bit          2861  20.0-12.0  (+13-5 =14)   18.1   +88
 - Zappa Mexico II 64-bit             2855  24.0-25.0  (+9 -10=30)   31.8     0
 - Fritz 11                           2852  17.0-15.0  (+9 -7 =16)   40.5   +20
 - Deep Shredder 11 64-bit            2844  17.5-14.5  (+10-7 =15)   69.1   +24
 - Deep Sjeng WC2008 64-bit           2836  15.0-17.0  (+7 -9 =16)   88.0   -31
 - Stockfish 1.4 32-bit               2831 132.5-105.5 (+60-33=145)   95.5   +13
 - Deep Junior 11.1a 64-bit           2824  10.0-14.0  (+6 -10=8 )   96.0   -84
 - Onno 1.0 64-bit                    2819  14.0-18.0  (+8 -12=12)   99.2   -71
 - Hiarcs 12.1                        2818  18.5-13.5  (+9 -4 =19)   99.8   +13
 - Onno 1.1.1 64-bit                  2810  36.0-28.0  (+15-7 =42)   99.8    -7
 - Hiarcs 12                          2809  16.0-16.0  (+10-10=12)  100.0   -38
 - Onno 1.0 32-bit                    2794  18.5-13.5  (+12-7 =13)  100.0    -6
 - Glaurung 2.2 64-bit                2783  33.0-21.0  (+18-6 =30)  100.0    -4
 - Bright 0.4a                        2776  17.0-15.0  (+11-9 =12)  100.0   -53
 - Ktulu 9                            2755  17.0-14.0  (+11-8 =12)  100.0   -63
 - Spike 1.2 Turin                    2746  21.5-10.5  (+15-4 =13)  100.0    +4


Created in 2005-2013 by CCRL team
Last games added on October 12, 2019