CCRL 40/40
Downloads and Statistics
November 11, 2017
Testing summary:
Total: 754'213 games
played by 1'962 programs
103027 CPU days (X2 4600+)

White wins: 259'159 (34.4%)
Black wins: 192'263 (25.5%)
Draws: 302'791 (40.1%)
White score: 54.4%

Engine Details

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Chiron 4 64-bit 4CPU in CCRL 40/40, 2017-11-11
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Chiron 4 64-bit 4CPU is #9 with rating of 3204 Elo points (+20 -20),
based on 748 games: 88 wins, 272 losses and 388 draws
Score: 37.7%, Average opponent: +79.5, Draws: 51.9%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - SugaR XPrO 1.2 64-bit 4CPU        3411   5.5-26.5  (+1 -22=9 )    0.0   -31
 - Houdini 6 64-bit 4CPU             3406   4.5-27.5  (+0 -23=9 )    0.0   -63
 - SugaR XPrO 1.3 64-bit 4CPU        3406   1.0-5.0   (+0 -4 =2 )    0.0   -28
 - Komodo 11.2 64-bit 4CPU           3399   7.5-24.5  (+1 -18=13)    0.0   +25
 - Komodo 11.01 64-bit 4CPU          3394   4.0-28.0  (+0 -24=8 )    0.0   -96
 - Stockfish 8 64-bit 4CPU           3390   8.0-24.0  (+0 -16=16)    0.0   +34
 - Komodo 10.4 64-bit 4CPU           3384   9.5-41.5  (+0 -32=19)    0.0   -29
 - Houdini 5.01 64-bit 4CPU          3383   7.0-25.0  (+0 -18=14)    0.0     0
 - Komodo 10.3 64-bit 4CPU           3379   6.5-25.5  (+1 -20=11)    0.0   -30
 - Fire 6.1 64-bit 4CPU              3293   7.0-11.0  (+1 -5 =12)    0.0   +31
 - Deep Shredder 13 64-bit 4CPU      3293  12.0-20.0  (+2 -10=20)    0.0   +19
 - Fire 5 64-bit 4CPU                3276  11.0-21.0  (+1 -11=20)    0.0   -12
 - Fizbo 1.9 64-bit 4CPU             3262  14.0-18.0  (+4 -8 =20)    0.0   +24
 - Andscacs 0.91 64-bit 4CPU         3240  13.5-18.5  (+3 -8 =21)    0.7    -6
 - Andscacs 0.89 64-bit 4CPU         3233  11.0-21.0  (+4 -14=14)    2.1   -66
 - Booot 6.2 64-bit 4CPU             3223  17.0-15.0  (+6 -4 =22)    8.5   +37
 - Andscacs 0.90 64-bit 4CPU         3216  17.5-15.5  (+6 -4 =23)   21.5   +27
 - NirvanaChess 2.4 64-bit 4CPU      3202  17.0-15.0  (+7 -5 =20)   53.4   +16
 - Gull 3 64-bit 4CPU                3192  14.5-17.5  (+3 -6 =23)   83.8   -35
 - Equinox 3.20 64-bit 4CPU          3186  19.5-12.5  (+10-3 =19)   93.4   +44
 - Booot 6.1 64-bit 4CPU             3178  17.5-14.5  (+8 -5 =19)   96.2    +1
 - Fritz 15 64-bit 4CPU              3169  18.5-13.5  (+8 -3 =21)   99.8    +6
 - Critter 1.6a 64-bit 4CPU          3169  18.0-14.0  (+8 -4 =20)   99.9    -2
 - Hannibal 1.7 64-bit 4CPU          3167  20.5-11.5  (+14-5 =13)   99.7   +51


Created in 2005-2013 by CCRL team
Last games added on November 11, 2017