CCRL 40/15
Downloads and Statistics
April 10, 2021
Testing summary:
Total: 1'235'065 games
played by 2'819 programs

White wins: 423'539 (34.3%)
Black wins: 311'222 (25.2%)
Draws: 500'304 (40.5%)
White score: 54.5%

Engine Details

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Stockfish 13 64-bit 4CPU in CCRL 40/15, 2021-04-10
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 4CPU is #1 with rating of 3551 Elo points (+19 -19),
based on 940 games: 513 wins, 0 losses and 427 draws
Score: 77.3%, Average opponent: −181.5, Draws: 45.4%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Fat Fritz 2 (in SF) 64-bit 4CPU         3526  26.0-26.0  (+0 -0 =52)   97.2   -25
 - Dragon by Komodo 64-bit 4CPU            3497  29.0-21.0  (+8 -0 =42)  100.0   -14
 - Komodo 13.1 64-bit 4CPU                 3402  36.5-13.5  (+23-0 =27)  100.0   -10
 - Igel 3.0.0 64-bit 4CPU                  3402  25.0-7.0   (+18-0 =14)  100.0   +29
 - Houdini 6 64-bit 4CPU                   3398  39.5-12.5  (+27-0 =25)  100.0    +8
 - SlowChess Blitz 2.5 64-bit 4CPU         3397  41.5-10.5  (+31-0 =21)  100.0   +41
 - Ethereal 12.75 64-bit 4CPU              3392  43.0-13.0  (+30-0 =26)  100.0   +10
 - Fire 8 64-bit 4CPU                      3390  38.5-11.5  (+27-0 =23)  100.0    +6
 - Nemorino 6.00 64-bit 4CPU               3384  40.0-12.0  (+28-0 =24)  100.0    +2
 - Nemorino 6.05 64-bit 4CPU               3379  30.0-8.0   (+22-0 =16)  100.0   +15
 - Igel 2.9.0 64-bit 4CPU                  3362  38.5-11.5  (+27-0 =23)  100.0   -19
 - RubiChess 2.0 64-bit 4CPU               3358  24.0-8.0   (+16-0 =16)  100.0   -39
 - Booot 6.5 64-bit 4CPU                   3345  11.0-5.0   (+6 -0 =10)  100.0  -103
 - Lc0 0.27.0 w703810 64-bit 4CPU          3332  27.0-11.0  (+16-0 =22)  100.0   -96
 - Xiphos 0.6 64-bit 4CPU                  3330  42.5-7.5   (+35-0 =15)  100.0   +34
 - RofChade 2.3 64-bit 4CPU                3312  88.0-16.0  (+72-0 =32)  100.0    +9
 - Pedone 3.0 64-bit 4CPU                  3303  46.5-5.5   (+41-0 =11)  100.0   +71
 - Laser 1.7 64-bit 4CPU                   3286 100.0-14.0  (+86-0 =28)  100.0   +26


Created in 2005-2013 by CCRL team
Last games added on April 10, 2021