CCRL 40/15
Downloads and Statistics
April 18, 2021
Testing summary:
Total: 1'237'253 games
played by 2'822 programs

White wins: 424'164 (34.3%)
Black wins: 311'650 (25.2%)
Draws: 501'439 (40.5%)
White score: 54.5%

Engine Details

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BugChess2 1.6.4 64-bit in CCRL 40/15, 2021-04-18
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
BugChess2 1.6.4 64-bit has no rank with rating of 2660 Elo points (+32 -32),
based on 313 games: 91 wins, 104 losses and 118 draws
Score: 47.9%, Average opponent: +14.7, Draws: 37.7%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - SmarThink 1.20 64-bit                   2763   9.5-14.5  (+6 -11=7 )    0.0   +35
 - Spike 1.2 Turin                         2745   9.5-14.5  (+5 -10=9 )    0.0   +17
 - Laser 1.0 64-bit                        2733   4.5-5.5   (+2 -3 =5 )    0.0   +37
 - Crafty 23.2 64-bit                      2711  12.5-11.5  (+8 -7 =9 )    1.0   +65
 - Booot 4.15.0                            2693   6.0-18.0  (+3 -15=6 )    3.3  -146
 - Chronos 1.9.8 64-bit                    2691   7.5-15.5  (+6 -14=3 )    8.4  -108
 - Delfi 5.4                               2689  12.5-11.5  (+5 -4 =15)    4.7   +39
 - Movei 00.8.438 (10 10 10)               2666  13.5-10.5  (+8 -5 =11)   37.1   +41
 - Alaric 707                              2661  10.0-14.0  (+6 -10=8 )   49.2   -56
 - Colossus 2008b                          2643   9.5-14.5  (+5 -10=9 )   84.1   -86
 - Chronos 1.9.7                           2640  13.0-11.0  (+7 -5 =12)   86.2    +6
 - Counter 2.6 64-bit                      2634   5.5-2.5   (+4 -1 =3 )   90.5   +96
 - Sloppy 0.2.2 64-bit                     2612  14.5-9.5   (+11-6 =7 )   99.6   +24
 - Donna 4.0 64-bit                        2606   5.0-3.0   (+3 -1 =4 )   99.9   +19
 - N2 0.4 64-bit                           2595  17.0-7.0   (+12-2 =10)  100.0   +69


Created in 2005-2013 by CCRL team
Last games added on April 18, 2021