CCRL 40/15
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 1'240'737 games
played by 2'832 programs

White wins: 425'216 (34.3%)
Black wins: 312'397 (25.2%)
Draws: 503'124 (40.6%)
White score: 54.5%

Engine Details

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Stockfish 13 64-bit in CCRL 40/15, 2021-05-01
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:
Stockfish 13 64-bit has no rank with rating of 3509 Elo points (+19 -19),
based on 901 games: 397 wins, 7 losses and 497 draws
Score: 71.6%, Average opponent: −145.5, Draws: 55.2%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Fat Fritz 2 (in SF) 64-bit              3509  40.5-41.5  (+1 -2 =79)   50.5    -2
 - SugaR AI 1.00 64-bit                    3492  26.0-26.0  (+0 -0 =52)   91.4   -17
 - SugaR AI 1.50 64-bit                    3484   2.0-2.0   (+0 -0 =4 )   72.9   -25
 - ShashChess 15.0 64-bit                  3483  40.0-38.0  (+2 -0 =76)   98.9   -19
 - Dragon by Komodo 64-bit                 3473  46.5-37.5  (+11-2 =71)   99.9    -9
 - ShashChess 16 64-bit                    3442   2.0-2.0   (+0 -0 =4 )   94.4   -67
 - Nemorino 6.00 64-bit                    3343  13.5-4.5   (+9 -0 =9 )  100.0   -14
 - Houdini 6 64-bit                        3335  57.0-13.0  (+44-0 =26)  100.0   +37
 - SlowChess Blitz 2.5 64-bit              3329  39.5-16.5  (+25-2 =29)  100.0   -56
 - Fire 8 64-bit                           3329  89.0-19.0  (+70-0 =38)  100.0   +42
 - Ethereal 12.75 64-bit                   3320  58.0-16.0  (+42-0 =32)  100.0    -6
 - Nemorino 6.05 64-bit                    3289   3.5-1.5   (+2 -0 =3 )  100.0  -101
 - RubiChess 2.0 64-bit                    3278  65.0-9.0   (+56-0 =18)  100.0   +63
 - Igel 2.9.0 64-bit                       3272  47.5-8.5   (+39-0 =17)  100.0   +13
 - Booot 6.5 64-bit                        3258  50.0-6.0   (+45-1 =10)  100.0   +76
 - Xiphos 0.6 64-bit                       3253  60.5-13.5  (+47-0 =27)  100.0   -40
 - RofChade 2.3 64-bit                     3240   3.5-0.5   (+3 -0 =1 )  100.0   +20
 - Booot 6.4 64-bit                        3238   1.5-0.5   (+1 -0 =1 )  100.0  -113


Created in 2005-2013 by CCRL team
Last games added on May 1, 2021