CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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BugChess2 1.6.2 64-bit in CCRL 40/4, 2019-07-20
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:
BugChess2 1.6.2 64-bit has no rank with rating of 2595 Elo points (+21 -21),
based on 789 games: 302 wins, 275 losses and 212 draws
Score: 51.7%, Average opponent: −14.3, Draws: 26.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Spike 1.2 Turin                    2731  11.0-21.0  (+6 -16=10)    0.0   +29
 - Chess Tiger 2007.1                 2713   8.5-23.5  (+4 -19=9 )    0.0   -46
 - Frenzee Feb08 64-bit               2694  13.5-18.5  (+10-15=7 )    0.0   +42
 - SmarThink 1.00 32-bit              2664  13.0-19.0  (+8 -14=10)    0.0    +2
 - Alaric 707                         2663  11.5-20.5  (+7 -16=9 )    0.0   -33
 - E.T. Chess 13.01.08                2634  12.5-19.5  (+6 -13=13)    0.0   -28
 - Gandalf 6                          2627  14.5-17.5  (+10-13=9 )    0.3    -2
 - Alfil 8.1.1 Optimized              2625  15.0-17.0  (+11-13=8 )    0.4    +4
 - WildCat 8                          2623  13.5-13.5  (+7 -7 =13)    0.6   +24
 - Movei 00.8.438 (10 10 10)          2623  14.5-17.5  (+10-13=9 )    0.6    -6
 - Slow Chess Blitz WV2.1             2614  13.0-19.0  (+9 -15=8 )    3.8   -47
 - Colossus 2007d                     2611   8.5-23.5  (+7 -22=3 )    9.8  -176
 - Booot 4.14.0                       2611  12.5-19.5  (+6 -13=13)   13.1   -53
 - Sloppy 0.2.0 64-bit                2607  23.0-9.0   (+20-6 =6 )   17.8  +179
 - GarboChess 2.10 64-bit             2598  24.0-8.0   (+23-7 =2 )   38.8  +221
 - Hamsters 0.6                       2559  17.0-15.0  (+12-10=10)   99.8   -13
 - Petir 4.999999                     2555  21.5-10.5  (+19-8 =5 )  100.0   +95
 - The Baron 1.8.1                    2544  18.5-13.5  (+14-9 =9 )  100.0    +1
 - Ufim 8.02                          2539  18.5-13.5  (+12-7 =13)  100.0    -6
 - Trace 1.37a                        2500  19.5-12.5  (+15-8 =9 )  100.0   -16
 - Cerebro 3.03d                      2471  19.0-7.0   (+16-4 =6 )  100.0   +47
 - Matacz 1.4                         2446  20.0-12.0  (+15-7 =10)  100.0   -60
 - SpiderChess 070603                 2439  21.0-11.0  (+17-7 =8 )  100.0   -43
 - Delphil 1.9c                       2414  24.5-7.5   (+20-3 =9 )  100.0    +9
 - Matacz 1.1                         2399  20.0-12.0  (+18-10=4 )  100.0   -96

Created in 2005-2013 by CCRL team
Last games added on July 20, 2019