CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Engine Details

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Stockfish 9 64-bit 4CPU in CCRL 40/4, 2019-09-14
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 Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Stockfish 9 64-bit 4CPU has no rank with rating of 3547 Elo points (+12 -12),
based on 2605 games: 1348 wins, 92 losses and 1165 draws
Score: 74.1%, Average opponent: −183.1, Draws: 44.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - SugaR XPrO 1.4 64-bit 4CPU         3536  19.5-20.5  (+1 -2 =37)   79.8   -15
 - Stockfish 130118 64-bit 4CPU       3533  41.5-40.5  (+7 -6 =69)   81.6   -11
 - SugaR XPrO 1.2 64-bit 4CPU         3530  44.0-38.0  (+10-4 =68)   96.1    +1
 - asmFish 191017 64-bit 4CPU         3526  37.5-42.5  (+9 -14=57)   97.8   -36
 - Houdini 6 64-bit 4CPU              3519  87.0-81.0  (+28-22=118)  100.0   -18
 - Komodo 11.2 64-bit 4CPU            3504 103.0-66.0  (+46-9 =114)  100.0   +17
 - SugaR XPrO 1.3 64-bit 4CPU         3501  50.0-32.0  (+21-3 =58)  100.0   +12
 - Stockfish 8 64-bit 4CPU            3494  51.0-31.0  (+23-3 =56)  100.0   +13
 - Komodo 12.2.2 64-bit 4CPU          3491  45.0-41.0  (+12-8 =66)  100.0   -42
 - Komodo 12 64-bit 4CPU              3489  55.0-41.0  (+22-8 =66)  100.0   -18
 - Komodo 11.3.1 64-bit 4CPU          3487  57.5-42.5  (+21-6 =73)  100.0   -20
 - Fire 7.1 64-bit 4CPU               3425  24.0-16.0  (+9 -1 =30)  100.0   -68
 - Ethereal 11.00 64-bit 4CPU         3384  24.0-11.0  (+13-0 =22)  100.0   -56
 - Fire 6.1 64-bit 4CPU               3350  64.5-17.5  (+48-1 =33)  100.0    -8
 - Fizbo 2 64-bit 4CPU                3345  65.0-17.0  (+49-1 =32)  100.0    -9
 - Booot 6.3.1 64-bit 4CPU            3326  38.5-10.5  (+28-0 =21)  100.0   -38
 - Andscacs 0.94 64-bit 4CPU          3325  42.5-6.5   (+36-0 =13)  100.0   +54
 - Deep Shredder 13 64-bit 4CPU       3324  67.5-14.5  (+53-0 =29)  100.0    -1
 - Andscacs 0.93 64-bit 4CPU          3301 144.5-24.5  (+122-2 =45)  100.0   +20
 - Schooner 2.0.34 64-bit 4CPU        3276  37.5-5.5   (+32-0 =11)  100.0   +12
 - Gull 3 64-bit 4CPU                 3261  77.5-4.5   (+73-0 =9 )  100.0  +148
 - Booot 6.2 64-bit 4CPU              3257  73.5-8.5   (+65-0 =17)  100.0   +32
 - Chiron 4 64-bit 4CPU               3241 146.5-22.5  (+125-1 =43)  100.0   -26
 - Fritz 16 64-bit 4CPU               3228  74.5-7.5   (+67-0 =15)  100.0   +26
 - NirvanaChess 2.4 64-bit 4CPU       3225  76.0-6.0   (+70-0 =12)  100.0   +63
 - Gull 3.1 64-bit 4CPU               3215  76.0-6.0   (+71-1 =10)  100.0   +65
 - Texel 1.07 64-bit 4CPU             3207  75.5-6.5   (+69-0 =13)  100.0   +31
 - BlackMamba 2.0 64-bit 4CPU         3198  76.0-6.0   (+70-0 =12)  100.0   +35
 - Laser 1.5 64-bit 4CPU              3172  77.0-5.0   (+72-0 =10)  100.0   +41
 - Strelka 5.5 64-bit                 3141  79.0-3.0   (+76-0 =6 )  100.0   +98


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019