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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K2 0.95 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:
K2 0.95 is #125 with rating of 2660 Elo points (+28 -28),
based on 448 games: 204 wins, 136 losses and 108 draws
Score: 57.6%, Average opponent: −54.7, Draws: 24.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - ECE 19.6.6.1 64-bit                2703  13.0-19.0  (+10-16=6 )    0.6   -26
 - Orion 0.6 64-bit                   2621  15.5-16.5  (+13-14=5 )   98.9   -50
 - Glass 2.0 64-bit                   2610  16.0-16.0  (+10-10=12)  100.0   -52
 - Jellyfish 1.1 64-bit               2610  15.0-17.0  (+10-12=10)   99.9   -72
 - Ruffian 2.1.0                      2609  17.0-15.0  (+14-12=6 )  100.0   -29
 - Delocto 0.6 64-bit                 2608  14.5-17.5  (+7 -10=15)   99.9   -78
 - GarboChess 2.20 64-bit             2607  15.5-16.5  (+13-14=5 )  100.0   -64
 - Amyan 1.72                         2604  19.5-12.5  (+17-10=5 )  100.0   +28
 - Pharaon 3.5.1                      2603  20.5-11.5  (+15-6 =11)  100.0   +35
 - Floyd 0.9 64-bit                   2584  21.0-11.0  (+19-9 =4 )  100.0   +45
 - Muse 0.953 64-bit                  2583  22.0-10.0  (+18-6 =8 )  100.0   +57
 - Coiled 0.6 64-bit                  2581  21.5-10.5  (+19-8 =5 )  100.0   +55
 - Hamsters 0.7.1                     2578  23.5-8.5   (+19-4 =9 )  100.0   +83
 - SOS 5.1                            2573  23.5-8.5   (+20-5 =7 )  100.0   +90


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