CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (39.5%)
White score: 54.5%

Engine Details

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Scorpio 2.8.5 MCTS 64-bit in CCRL 40/40, 2019-11-08
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Scorpio 2.8.5 MCTS 64-bit has no rank with rating of 2704 Elo points (+17 -17),
based on 1166 games: 373 wins, 451 losses and 342 draws
Score: 46.7%, Average opponent: +24.1, Draws: 29.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Atlas 3.91 64-bit                  2902   9.0-43.0  (+3 -37=12)    0.0   -51
 - Gaviota 1.0 64-bit                 2860  12.0-32.0  (+5 -25=14)    0.0    -1
 - Dirty 30Apr2017 64-bit             2857  13.0-33.0  (+3 -23=20)    0.0   +17
 - Fruit Reloaded 3.2.1 64-bit        2836  16.0-30.0  (+10-24=12)    0.0   +23
 - Zurichess Neuchatel 64-bit         2824  10.0-34.0  (+3 -27=14)    0.0   -68
 - Rhetoric 1.4.3 64-bit              2795  15.5-28.5  (+11-24=9 )    0.0   -18
 - Pawny 1.2 64-bit                   2777  19.0-25.0  (+12-18=14)    0.0   +27
 - BugChess2 1.9 64-bit               2762  16.5-29.5  (+10-23=13)    0.0   -40
 - Godel 4.0.7 64-bit                 2759  22.5-27.5  (+17-22=11)    0.0   +16
 - Bison 9.11 64-bit                  2756  15.5-30.5  (+8 -23=15)    0.0   -60
 - Carballo 1.7 64-bit                2737   9.0-7.0   (+4 -2 =10)    0.2   +67
 - Marvin 3.0.0 64-bit                2732  20.5-23.5  (+15-18=11)    2.5    +3
 - ProDeo 2.2                         2723   9.0-7.0   (+6 -4 =6 )    6.1   +61
 - Shield 2.0 64-bit                  2713   9.5-18.5  (+5 -14=9 )   28.5  -100
 - GreKo 2018.07 64-bit               2709  17.0-19.0  (+11-13=12)   35.1   -13
 - Cheese 1.9 64-bit                  2704  25.5-20.5  (+20-15=11)   51.8   +39
 - Pirarucu 2.2.2 64-bit              2697   4.5-5.5   (+2 -3 =5 )   71.6   -34
 - Gogobello 1.4 64-bit               2688  24.5-19.5  (+18-13=13)   92.6   +18
 - WyldChess 1.51 64-bit              2684  28.0-16.0  (+23-11=10)   96.3   +77
 - Chessmaster 11 Toxic               2682   8.0-8.0   (+5 -5 =6 )   95.1   -22
 - chess22k 1.4 64-bit                2675   6.5-3.5   (+5 -2 =3 )   98.1   +77
 - Counter 2.7 64-bit                 2673   5.5-4.5   (+3 -2 =5 )   97.3     0
 - Arminius 2017-01-01 64-bit         2673  27.5-18.5  (+21-12=13)   99.6   +35
 - Counter 2.8 64-bit                 2671   4.0-4.0   (+2 -2 =4 )   98.5   -38
 - Djinn 1.021 64-bit                 2668   4.0-6.0   (+1 -3 =6 )   99.9   -91
 - RedQueen 1.1.98 64-bit             2667  12.0-16.0  (+9 -13=6 )   99.9   -90
 - tomitankChess 2.0 64-bit           2658  14.5-15.5  (+8 -9 =13)  100.0   -54
 - Floyd 0.9 64-bit                   2658  26.5-13.5  (+24-11=5 )  100.0   +82
 - Philou 3.7.1 64-bit                2652  22.0-16.0  (+17-11=10)  100.0    +4
 - Cyrano 0.6b17 64-bit               2648   9.0-2.0   (+8 -1 =2 )  100.0  +194
 - GreKo 2018.01 64-bit               2645   6.0-4.0   (+5 -3 =2 )  100.0    +9
 - Amoeba 1.2 64-bit                  2641   6.5-3.5   (+6 -3 =1 )  100.0   +62
 - WyldChess 1.4 64-bit               2639   5.0-4.0   (+3 -2 =4 )  100.0   -24
 - CM10th Guardian                    2639   6.0-4.0   (+5 -3 =2 )  100.0    +4
 - tomitankChess 2.1 64-bit           2636   7.0-3.0   (+6 -2 =2 )  100.0   +85
 - Counter 2.6 64-bit                 2633   6.5-3.5   (+6 -3 =1 )  100.0   +47
 - Igel 1.2 64-bit                    2628   6.5-3.5   (+5 -2 =3 )  100.0   +28
 - NoraGrace 2.0 64-bit               2625   6.0-4.0   (+5 -3 =2 )  100.0    -9
 - Nebula 2.0 64-bit                  2622   7.0-3.0   (+5 -1 =4 )  100.0   +47
 - Scorpio 2.9 MCTS+NN 64-bit         2621  25.5-16.5  (+19-10=13)  100.0    -8
 - DanaSah 7.0                        2617   7.0-3.0   (+5 -1 =4 )  100.0   +41
 - K2 0.91                            2616   7.0-5.0   (+6 -4 =2 )  100.0   -21
 - RubiChess 1.0 64-bit               2614   6.5-3.5   (+5 -2 =3 )  100.0    +9
 - Monolith 0.4 64-bit                2608   5.5-4.5   (+3 -2 =5 )  100.0   -68


Created in 2005-2013 by CCRL team
Last games added on November 8, 2019