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 2021-01-11 64-bit 4CPU 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 2021-01-11 64-bit 4CPU has no rank with rating of 3549 Elo points (+19 -19),
based on 938 games: 478 wins, 4 losses and 456 draws
Score: 75.3%, Average opponent: −164.9, Draws: 48.6%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Fat Fritz 2 (in SF) 64-bit 4CPU         3525  16.0-16.0  (+2 -2 =28)   96.2   -24
 - Fat Fritz 2 (in SF) 64-bit              3509  27.5-24.5  (+4 -1 =47)   99.9   -27
 - Dragon by Komodo 64-bit 4CPU            3497  30.5-19.5  (+11-0 =39)  100.0    +5
 - Dragon by Komodo 64-bit                 3473  31.0-19.0  (+12-0 =38)  100.0   -12
 - RubiChess 2.1 64-bit 4CPU               3411  21.0-9.0   (+12-0 =18)  100.0   -24
 - Igel 3.0.0 64-bit 4CPU                  3401  24.5-9.5   (+15-0 =19)  100.0   -19
 - Houdini 6 64-bit 4CPU                   3398  40.5-9.5   (+31-0 =19)  100.0   +56
 - SlowChess Blitz 2.5 64-bit 4CPU         3396  23.0-9.0   (+14-0 =18)  100.0   -23
 - Ethereal 12.75 64-bit 4CPU              3392  39.0-11.0  (+28-0 =22)  100.0   +22
 - Fire 8 64-bit 4CPU                      3385  42.5-11.5  (+31-0 =23)  100.0   +20
 - Nemorino 6.00 64-bit 4CPU               3384  36.5-13.5  (+23-0 =27)  100.0   -28
 - Igel 2.9.0 64-bit 4CPU                  3361  35.0-15.0  (+21-1 =28)  100.0   -71
 - Igel 2.8.0 64-bit 4CPU                  3360  54.0-12.0  (+42-0 =24)  100.0   +26
 - SlowChess Blitz 2.4 64-bit 4CPU         3357  39.5-10.5  (+29-0 =21)  100.0    -4
 - Lc0 0.27.0 w703810 64-bit 4CPU          3336  13.5-4.5   (+9 -0 =9 )  100.0   -58
 - Booot 6.5 64-bit 4CPU                   3336  15.0-3.0   (+12-0 =6 )  100.0   +21
 - Xiphos 0.6 64-bit 4CPU                  3330  43.0-7.0   (+36-0 =14)  100.0   +48
 - Fire 7.1 64-bit 4CPU                    3320  44.0-6.0   (+38-0 =12)  100.0   +66
 - RofChade 2.3 64-bit 4CPU                3311  41.5-8.5   (+33-0 =17)  100.0    -7
 - Pedone 3.0 64-bit 4CPU                  3303  41.5-8.5   (+33-0 =17)  100.0   -15
 - Booot 6.4 64-bit 4CPU                   3297  47.0-5.0   (+42-0 =10)  100.0   +83


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