CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Engine Details

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Chessputer revision 7 64-bit in CCRL 40/4, 2019-06-15
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:
Chessputer revision 7 64-bit is #627 with rating of 848 Elo points (+252 -246),
based on 1393 games: 627 wins, 148 losses and 618 draws
Score: 67.2%, Average opponent: −113.8, Draws: 44.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Neurone XXIII                      1218   1.0-17.0  (+0 -16=2 )    0.0   -61
 - Soberango 0.07.2                   1032   1.0-16.0  (+0 -15=2 )    0.0  -240
 - Iota 1.0 32-bit                    1019   0.5-27.5  (+0 -27=1 )    0.0  -448
 - Kace 0.82                           984   9.5-20.5  (+3 -14=13)    0.0   +23
 - Youk 1.0.5                          963  13.0-30.0  (+0 -17=26)    0.0    +5
 - NSVChess v0.14                      946  13.5-30.5  (+3 -20=21)    0.0   -19
 - Luzhin 0.1                          927  19.5-23.5  (+6 -10=27)    0.0   +58
 - Pyotr 0.6 AM                        868  20.0-21.0  (+3 -4 =34)    3.0   +13
 - Alouette 0.0.5 64-bit               701 787.5-258.5 (+554-25=467)  100.0   +11
 - POS 1.20                            426  47.5-2.5   (+45-0 =5 )  100.0   +28
 - LaMoSca 0.10                        370  23.0-10.0  (+13-0 =20)  100.0  -367


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019