CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Booot 6.5 64-bit 4CPU in CCRL 40/15, 2021-05-08
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 #12 with rating of 3332 Elo points (+21 -22),
based on 634 games: 45 wins, 216 losses and 373 draws
Score: 36.5%, Average opponent: +82.5, Draws: 58.8%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Stockfish 13 64-bit 4CPU                3548   9.5-22.5  (+0 -13=19)    0.0  +100
 - Stockfish 2021-01-11 64-bit 4CPU        3547   3.0-15.0  (+0 -12=6 )    0.0   -19
 - ShashChess 15.0 64-bit 4CPU             3528   5.5-26.5  (+0 -21=11)    0.0   -32
 - Fat Fritz 2 (in SF) 64-bit 4CPU         3524   6.0-26.0  (+0 -20=12)    0.0   -18
 - SugaR AI 1.00 64-bit 4CPU               3516   6.5-25.5  (+0 -19=13)    0.0   -10
 - Dragon by Komodo 64-bit 4CPU            3496  10.5-35.5  (+0 -25=21)    0.0    -6
 - RubiChess 2.1 64-bit 4CPU               3410   7.0-13.0  (+1 -7 =12)    0.0    -6
 - Igel 3.0.0 64-bit 4CPU                  3399  16.5-29.5  (+2 -15=29)    0.0   -10
 - Houdini 6 64-bit 4CPU                   3397  12.0-20.0  (+2 -10=20)    0.0    -6
 - SlowChess Blitz 2.5 64-bit 4CPU         3394  15.0-17.0  (+5 -7 =20)    0.0   +43
 - Pedone 3.1 64-bit 4CPU                  3392  12.0-20.0  (+2 -10=20)    1.8    -7
 - Ethereal 12.75 64-bit 4CPU              3390  13.5-18.5  (+1 -6 =25)    0.0   +17
 - Fire 8 64-bit 4CPU                      3383  16.0-30.0  (+0 -14=32)    0.0   -31
 - Nemorino 6.05 64-bit 4CPU               3374  16.5-15.5  (+5 -4 =23)    0.3   +49
 - RubiChess 2.0 64-bit 4CPU               3354  17.5-14.5  (+6 -3 =23)    6.5   +46
 - Lc0 0.27.0 w703810 64-bit 4CPU          3333  46.0-50.0  (+18-22=56)   47.0    -9
 - Xiphos 0.6 64-bit 4CPU                  3328  13.0-19.0  (+1 -7 =24)   62.2   -53
 - NirvanaChess 2.5 64-bit 4CPU            3213   5.5-4.5   (+2 -1 =7 )  100.0   -91


Created in 2005-2013 by CCRL team
Last games added on May 8, 2021