CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Engine Details

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Scorpio 2.7.9 64-bit in CCRL 40/4, 2019-10-19
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Scorpio 2.7.9 64-bit has no rank with rating of 2885 Elo points (+21 -21),
based on 741 games: 266 wins, 205 losses and 270 draws
Score: 54.1%, Average opponent: −28.5, Draws: 36.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Hakkapeliitta TCEC v2 64-bit       3022   8.5-21.5  (+4 -17=9 )    0.0   -17
 - Amoeba 2.7 64-bit                  2938   7.5-22.5  (+2 -17=11)    0.0  -115
 - Atlas 3.90 64-bit                  2914  12.5-17.5  (+5 -10=15)    6.3   -19
 - DiscoCheck 5.2.1 64-bit            2913  12.5-17.5  (+9 -14=7 )    0.7   -31
 - EXchess 7.97b 64-bit               2913  12.0-17.0  (+7 -12=10)    1.0   -30
 - Demolito 2017-08-26 64-bit         2911  11.5-17.5  (+7 -13=9 )    1.9   -45
 - Scorpio 2.8 64-bit                 2902  24.5-25.5  (+9 -10=31)    9.2   +11
 - Zurichess Neuchatel 64-bit         2900  31.5-27.5  (+20-16=23)    8.8   +35
 - Quazar 0.4 64-bit                  2900  26.5-32.5  (+17-23=19)    8.6   -19
 - Murka 3 64-bit                     2881  14.5-15.5  (+8 -9 =13)   61.2   -12
 - Tucano 7.00 64-bit                 2871  25.5-33.5  (+14-22=23)   84.4   -55
 - Ethereal 8.61 64-bit               2862  17.0-13.0  (+10-6 =14)   93.5   +13
 - Nemo 1.0.1 64-bit                  2856  15.0-11.0  (+10-6 =10)   99.4   +18
 - Octochess r5506 64-bit             2824   8.5-3.5   (+7 -2 =3 )  100.0   +90
 - Rhetoric 1.4.3 64-bit              2804  19.5-9.5   (+16-6 =7 )  100.0   +41
 - Frenzee 3.5.19 64-bit              2769  21.5-8.5   (+18-5 =7 )  100.0   +42
 - Twisted Logic 20100131x 64-bit     2766  19.0-11.0  (+12-4 =14)  100.0   -38
 - Jonny 4.00                         2762  42.0-14.0  (+32-4 =20)  100.0   +43
 - RuyDos 1.0.27 64-bit               2758  17.0-9.0   (+13-5 =8 )  100.0   -20
 - BugChess2 1.9 64-bit               2758  22.0-7.0   (+17-2 =10)  100.0   +46
 - Gogobello 1.4 64-bit               2755   9.0-3.0   (+7 -1 =4 )  100.0   +43
 - Shield 2.0 64-bit                  2702  23.5-2.5   (+22-1 =3 )  100.0  +185


Created in 2005-2013 by CCRL team
Last games added on October 19, 2019