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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Booot 6.5 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:
Booot 6.5 64-bit 4CPU is #11-12 with rating of 3336 Elo points (+22 -22),
based on 588 games: 41 wins, 202 losses and 345 draws
Score: 36.3%, Average opponent: +84.0, Draws: 58.7%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Stockfish 2021-01-11 64-bit 4CPU        3549   3.0-15.0  (+0 -12=6 )    0.0   -21
 - Stockfish 13 64-bit 4CPU                3549   9.5-22.5  (+0 -13=19)    0.0   +97
 - ShashChess 15.0 64-bit 4CPU             3530   5.5-26.5  (+0 -21=11)    0.0   -34
 - Fat Fritz 2 (in SF) 64-bit 4CPU         3525   6.0-26.0  (+0 -20=12)    0.0   -21
 - SugaR AI 1.00 64-bit 4CPU               3519   6.5-25.5  (+0 -19=13)    0.0   -11
 - Dragon by Komodo 64-bit 4CPU            3497  10.5-35.5  (+0 -25=21)    0.0    -9
 - RubiChess 2.1 64-bit 4CPU               3411   4.5-7.5   (+0 -3 =9 )    0.0   +10
 - Igel 3.0.0 64-bit 4CPU                  3401  16.5-29.5  (+2 -15=29)    0.0   -12
 - Houdini 6 64-bit 4CPU                   3398  12.0-20.0  (+2 -10=20)    0.0    -9
 - SlowChess Blitz 2.5 64-bit 4CPU         3396  15.0-17.0  (+5 -7 =20)    0.0   +41
 - Ethereal 12.75 64-bit 4CPU              3392  13.5-18.5  (+1 -6 =25)    0.0   +15
 - Fire 8 64-bit 4CPU                      3385  16.0-30.0  (+0 -14=32)    0.0   -33
 - Nemorino 6.05 64-bit 4CPU               3376  16.5-15.5  (+5 -4 =23)    0.6   +47
 - RubiChess 2.0 64-bit 4CPU               3356  17.5-14.5  (+6 -3 =23)    9.0   +44
 - Lc0 0.27.0 w703810 64-bit 4CPU          3336  46.0-50.0  (+18-22=56)   50.7   -10
 - Xiphos 0.6 64-bit 4CPU                  3330  13.0-19.0  (+1 -7 =24)   68.3   -55
 - NirvanaChess 2.5 64-bit 4CPU            3246   2.0-2.0   (+1 -1 =2 )   99.0   -90


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