CCRL 40/40
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 1'084'933 games
played by 2'536 programs
148136 CPU days (X2 4600+)

White wins: 376'624 (34.7%)
Black wins: 280'046 (25.8%)
Draws: 428'263 (39.5%)
White score: 54.5%

Engine Details

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Scorpio 2.9 MCTS 64-bit in CCRL 40/40, 2019-09-21
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 Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Scorpio 2.9 MCTS 64-bit has no rank with rating of 2867 Elo points (+27 -27),
based on 420 games: 132 wins, 124 losses and 164 draws
Score: 51.0%, Average opponent: −5.0, Draws: 39.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Lc0 0.21.3 wLD2 64-bit             3070   0.5-3.5   (+0 -3 =1 )    0.0   -80
 - Chiron 1.5 32-bit                  2940   6.0-12.0  (+4 -10=4 )    0.0   -50
 - Marvin 3.4.0 64-bit                2938   9.0-13.0  (+6 -10=6 )    0.0    +8
 - Godel 6.0 64-bit                   2926   2.0-2.0   (+2 -2 =0 )    0.1   +59
 - Winter 0.6 64-bit                  2926   1.5-2.5   (+1 -2 =1 )    0.0   -33
 - Dirty CUCUMBER 64-bit              2918   0.5-3.5   (+0 -3 =1 )    0.1  -238
 - Spike 1.4 Leiden                   2915   7.0-11.0  (+2 -6 =10)    0.0   -17
 - Toga II 4.0 64-bit                 2904   4.0-4.0   (+2 -2 =4 )    0.8   +37
 - Atlas 3.91 64-bit                  2901   6.0-2.0   (+5 -1 =2 )    1.5  +217
 - Lc0 0.20.2 w32930 64-bit           2900   9.0-9.0   (+8 -8 =2 )    7.8   +29
 - Hiarcs 13.2                        2896   8.0-10.0  (+5 -7 =6 )    2.4    -3
 - Winter 0.5 64-bit                  2894   1.0-3.0   (+0 -2 =2 )    4.7  -122
 - Topple 0.7.1 64-bit                2890   2.0-2.0   (+1 -1 =2 )   11.1   +12
 - Gull 1.0a 32-bit                   2886  12.5-5.5   (+10-3 =5 )   10.6  +155
 - Topple 0.7.2 64-bit                2882  10.0-12.0  (+4 -6 =12)   22.2   -10
 - Godel 5.5.1 64-bit                 2875   5.5-6.5   (+5 -6 =1 )   30.4   -27
 - Lc0 0.21.1 w11258 64-bit           2870   2.5-1.5   (+1 -0 =3 )   46.8   +61
 - Rybka 1.2 32-bit                   2870  10.0-8.0   (+6 -4 =8 )   42.8   +34
 - The Baron 3.44 64-bit              2863   9.0-7.0   (+5 -3 =8 )   60.2   +37
 - Marvin 3.3.2 64-bit                2857   4.0-4.0   (+1 -1 =6 )   71.4    -5
 - Tucano 7.06 64-bit                 2850   2.0-2.0   (+1 -1 =2 )   82.7   -17
 - Counter 3.3 64-bit                 2846   4.0-4.0   (+2 -2 =4 )   86.1   -26
 - Tornado 8.0 64-bit                 2843   2.5-1.5   (+1 -0 =3 )   93.5   +43
 - Tucano 7.07 64-bit                 2842   3.0-5.0   (+2 -4 =2 )   93.4  -118
 - Marvin 3.2.0 64-bit                2837   1.5-2.5   (+1 -2 =1 )   96.4  -125
 - Counter 3.2 64-bit                 2834  14.5-11.5  (+7 -4 =15)   97.6     0
 - Fruit Reloaded 3.2.1 64-bit        2833   5.5-6.5   (+4 -5 =3 )   98.4   -57
 - Asymptote 0.6.3 64-bit             2827  12.0-10.0  (+7 -5 =10)   94.2   -14
 - Zurichess Neuchatel 64-bit         2822   3.0-1.0   (+2 -0 =2 )   99.8  +104
 - Asymptote 0.6 64-bit               2817   1.5-2.5   (+1 -2 =1 )   99.8  -145
 - Gogobello 2.0 64-bit               2806  11.5-10.5  (+7 -6 =9 )  100.0   -49
 - Monolith 1.0 64-bit                2797   5.0-7.0   (+3 -5 =4 )  100.0  -118
 - Igel 1.7.0 64-bit                  2797  12.0-6.0   (+9 -3 =6 )  100.0   +42
 - Francesca MAD 0.25 64-bit          2794  11.0-7.0   (+6 -2 =10)  100.0    -9
 - Cheese 2.1 64-bit                  2793  11.5-6.5   (+8 -3 =7 )  100.0   +18
 - Topple 0.4.0 64-bit                2710   3.5-0.5   (+3 -0 =1 )  100.0  +131


Created in 2005-2013 by CCRL team
Last games added on September 21, 2019