CCRL 40/4
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 1'579'577 games
played by 1'866 programs
21113 CPU days (X2 4600+)

White wins: 617'996 (39.1%)
Black wins: 503'684 (31.9%)
Draws: 457'897 (29.0%)
White score: 53.6%

Engine Details

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Leonidas 83 64-bit in CCRL 40/4, 2017-11-18
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 Intel CPU.
Tested by CCRL team, 2005-2017, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Leonidas 83 64-bit is #360 with rating of 1982 Elo points (+25 -25),
based on 686 games: 335 wins, 262 losses and 89 draws
Score: 55.3%, Average opponent: −28.6, Draws: 13.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Demolito 2017-06-18 64-bit         2885   0.0-17.0  (+0 -17=0 )    0.0  -INF
 - Magnum 4.0 32-bit                  2481   0.0-10.0  (+0 -10=0 )    0.0  -INF
 - Drosophila 1.4 64-bit              2226   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Carballo 0.8                       2141   0.0-9.0   (+0 -9 =0 )    0.0  -INF
 - MadChess 1.2 64-bit                2046   4.0-6.0   (+3 -5 =2 )    0.0    -8
 - Jumbo 0.1.5                        2028  10.5-9.5   (+9 -8 =3 )    1.2   +63
 - Oberon 0.04                        1991  11.5-15.5  (+11-15=1 )   31.9   -52
 - Bubble 1.5                         1983  17.5-22.5  (+14-19=7 )   46.6   -47
 - Arabian Knight 1.55                1976  13.5-16.5  (+11-14=5 )   61.6   -46
 - K2 0.35                            1968   7.0-3.0   (+7 -3 =0 )   73.5  +168
 - La Dame Blanche 2.0c               1968  30.5-12.5  (+27-9 =7 )   82.6  +146
 - Matant 5.04                        1966  31.0-19.0  (+27-15=8 )   86.3   +73
 - SSEChessII 2.05 DC                 1964  23.5-27.5  (+20-24=7 )   90.1   -48
 - Monik 2.2.3 64-bit                 1962   0.5-0.5   (+0 -0 =1 )   90.4   +10
 - Marvin 1.3.0                       1961  27.0-23.0  (+23-19=8 )   94.3    +7
 - BSC 3.9                            1958  28.0-21.0  (+26-19=4 )   93.9   +33
 - ALChess 1.84                       1949   1.0-0.0   (+1 -0 =0 )   98.3  +INF
 - Rival 1.18                         1947   5.0-3.0   (+4 -2 =2 )   99.4   +43
 - Mustang 4.97                       1945   3.5-7.5   (+3 -7 =1 )   99.5  -187
 - Cinnamon 1.1c 64-bit               1945   2.0-8.0   (+1 -7 =2 )   99.0  -267
 - ChessKISS 1.3                      1934   3.5-6.5   (+3 -6 =1 )   99.9  -171
 - BibiChess 0.5                      1920   5.5-5.5   (+5 -5 =1 )  100.0   -67
 - Heracles 0.6.16                    1915   8.0-2.0   (+8 -2 =0 )  100.0  +219
 - IACH 0.56z                         1909   5.0-5.0   (+5 -5 =0 )  100.0   -73
 - Eagle 0.7.5                        1909   5.0-3.0   (+5 -3 =0 )  100.0   +37
 - Clueless 1.4                       1902   4.0-4.0   (+4 -4 =0 )  100.0   -72
 - Warrior 1.0.3                      1900   6.5-3.5   (+5 -2 =3 )  100.0   +20
 - Morphy 3.22                        1895   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - SnailChess 4.013                   1894   6.0-3.0   (+6 -3 =0 )  100.0   +59
 - FreeChessII 2.17                   1882   6.5-3.5   (+6 -3 =1 )  100.0   +16
 - MrChess 2.1                        1879   8.5-1.5   (+8 -1 =1 )  100.0  +204
 - Simontacchi 1.81                   1851   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Deepov 0.4 64-bit                  1842  18.0-12.0  (+16-10=4 )  100.0   -60
 - Roce 0.0390                        1842   8.0-3.0   (+6 -1 =4 )  100.0   +11
 - Ranita 2.4                         1835   6.0-4.0   (+5 -3 =2 )  100.0   -72
 - Celes 0.77c                        1818   7.0-2.0   (+6 -1 =2 )  100.0   +46
 - MorphyChess 1.0.5                  1797  16.0-6.0   (+14-4 =4 )  100.0    -7
 - Macromix 2.01                      1782   6.5-3.5   (+5 -2 =3 )  100.0   -96
 - Pulsar 2009-9b                     1756   9.0-1.0   (+8 -0 =2 )  100.0  +101
 - Zzzzzz 3.51                        1704   8.0-2.0   (+7 -1 =2 )  100.0   -45
 - EnkoChess 2017.08.19               1675   8.0-0.0   (+8 -0 =0 )  100.0  +INF
 - Storm 0.6                          1612   8.5-1.5   (+8 -1 =1 )  100.0   -61
 - Darky 0.5d                         1592   8.0-2.0   (+8 -2 =0 )  100.0  -104


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017