CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Engine Details

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Arasan 12.3 64-bit in CCRL 40/4, 2019-09-14
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, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Arasan 12.3 64-bit has no rank with rating of 2557 Elo points (+16 -16),
based on 1371 games: 516 wins, 477 losses and 378 draws
Score: 51.4%, Average opponent: −9.6, Draws: 27.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Tornado 4.40 64-bit                2722   6.0-26.0  (+3 -23=6 )    0.0   -82
 - Delfi 5.4                          2682  12.0-20.0  (+5 -13=14)    0.0   +45
 - Daydreamer 1.75 64-bit             2672  13.0-19.0  (+10-16=6 )    0.0   +47
 - Alaric 707                         2663  10.5-21.5  (+7 -18=7 )    0.0   -20
 - Colossus 2008b                     2642  16.0-16.0  (+11-11=10)    0.0   +87
 - Cyrano 0.6b17 64-bit               2641  13.5-18.5  (+5 -10=17)    0.0   +39
 - E.T. Chess 13.01.08                2634  10.0-22.0  (+6 -18=8 )    0.0   -58
 - Alfil 8.1.1 Optimized              2625  10.0-22.0  (+5 -17=10)    0.0   -60
 - Sloppy 0.2.2 64-bit                2617  10.0-22.0  (+6 -18=8 )    0.0   -75
 - Zappa 1.1 64-bit                   2604  21.5-7.5   (+20-6 =3 )    0.0  +244
 - Amyan 1.72                         2604  13.5-18.5  (+10-15=7 )    0.0    -9
 - Pharaon 3.5.1                      2603  10.5-21.5  (+8 -19=5 )    0.0   -86
 - N2 0.4 64-bit                      2590  13.5-18.5  (+8 -13=11)    0.0   -19
 - Ruffian 1.0.5                      2585  13.5-18.5  (+9 -14=9 )    0.1   -27
 - Hamsters 0.7.1                     2578  14.5-17.5  (+9 -12=11)    1.0    -6
 - Pseudo 0.7c                        2575  13.5-18.5  (+7 -12=13)    2.3   -33
 - SOS 5.1                            2573  11.0-21.0  (+9 -19=4 )    3.4  -105
 - Aristarch 4.50                     2566  11.5-20.5  (+6 -15=11)   16.7   -83
 - The Baron 2.23 64-bit              2555  20.5-11.5  (+14-5 =13)   60.8   +86
 - Philou 3.60                        2551   9.0-11.0  (+6 -8 =6 )   71.5   -47
 - Ktulu 4.2                          2545  16.5-14.5  (+11-9 =11)   89.9   +10
 - Dirty 11D-27                       2542  18.5-13.5  (+16-11=5 )   91.2   +42
 - Hermann 2.6 64-bit                 2540  11.0-11.0  (+7 -7 =8 )   95.1   -12
 - Ufim 8.02                          2540  19.5-12.5  (+15-8 =9 )   98.0   +57
 - AnMon 5.75                         2539  15.5-16.5  (+11-12=9 )   98.2   -29
 - SmarThink 0.17a                    2537  19.0-13.0  (+14-8 =10)   98.6   +37
 - Gaviota 0.80 64-bit                2533  18.0-14.0  (+15-11=6 )   98.9   +22
 - Hermann 2.8 64-bit                 2531   9.5-4.5   (+8 -3 =3 )   99.8  +109
 - Hermann 2.5 64-bit                 2513  18.0-14.0  (+15-11=6 )  100.0    +1
 - Green Light Chess 3.01.2.2         2505  21.0-11.0  (+15-5 =12)  100.0   +48
 - Little Goliath Evolution 3.12      2505  18.5-13.5  (+15-10=7 )  100.0    +5
 - Yace 0.99.87                       2503  17.0-15.0  (+12-10=10)  100.0   -34
 - Trace 1.37a                        2500  19.5-12.5  (+15-8 =9 )  100.0   +18
 - Bruja 1.9.1 64-bit                 2490  21.5-10.5  (+15-4 =13)  100.0   +43
 - Tao 5.6                            2486  17.0-13.0  (+13-9 =8 )  100.0   -28
 - CuckooChess 1.10                   2481  21.5-10.5  (+17-6 =9 )  100.0   +46
 - Kiwi 0.6d 64-bit                   2470  21.0-11.0  (+19-9 =4 )  100.0   +37
 - Xpdnt 091007                       2469  20.0-12.0  (+14-6 =12)  100.0   -10
 - LittleThought 1.052 64-bit         2452  17.5-14.5  (+15-12=5 )  100.0   -71
 - SpiderChess 070603                 2439  19.5-12.5  (+15-8 =9 )  100.0   -42
 - Abrok 5.0                          2435  25.0-7.0   (+22-4 =6 )  100.0   +96
 - King of Kings 2.56                 2434  16.0-16.0  (+12-12=8 )  100.0  -126
 - Gaia 3.5 64-bit                    2425  22.0-10.0  (+19-7 =6 )  100.0   +12
 - Delphil 2.7                        2422   7.5-2.5   (+6 -1 =3 )  100.0   +38
 - Snitch 1.6.2 32-bit                2418  21.5-9.5   (+16-4 =11)  100.0   -12


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019