CCRL 40/40
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 1'059'406 games
played by 2'473 programs
144801 CPU days (X2 4600+)

White wins: 368'317 (34.8%)
Black wins: 274'199 (25.9%)
Draws: 416'890 (39.4%)
White score: 54.4%

Engine Details

Options
Show each game results
Simplex 0.9.8 32-bit in CCRL 40/40, 2019-06-15
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:
Simplex 0.9.8 32-bit has no rank with rating of 2397 Elo points (+30 -31),
based on 359 games: 120 wins, 127 losses and 112 draws
Score: 49.0%, Average opponent: +4.9, Draws: 31.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Godel 2.05 32-bit                  2578   2.5-7.5   (+0 -5 =5 )    0.0   +29
 - Delphil 2.8                        2493   2.0-2.0   (+1 -1 =2 )    0.0   +96
 - GreKo 9.2 32-bit                   2490   0.5-1.5   (+0 -1 =1 )    0.0   -63
 - GreKo 8.2 32-bit                   2487   2.5-11.5  (+1 -10=3 )    0.0  -157
 - Pupsi2 0.08                        2473   0.5-3.5   (+0 -3 =1 )    0.0  -212
 - LittleThought 1.052 32-bit         2467   4.0-4.0   (+3 -3 =2 )    0.0   +70
 - Twisted Logic 20071202x            2458   3.5-8.5   (+1 -6 =5 )    0.1   -65
 - Carballo 1.2                       2455   1.5-4.5   (+1 -4 =1 )    0.2  -131
 - Hussar 0.4                         2443   4.5-3.5   (+4 -3 =1 )    0.4   +91
 - Abrok 5.0                          2442   1.5-0.5   (+1 -0 =1 )    0.7  +187
 - Cheese 1.4 32-bit                  2440   2.5-1.5   (+2 -1 =1 )    2.9  +138
 - Murka 2 32-bit                     2432  17.5-20.5  (+12-15=11)    4.2    +6
 - Arasan 9.2                         2425   7.0-5.0   (+6 -4 =2 )   10.6   +89
 - Kiwi 0.6d 32-bit                   2419   0.5-1.5   (+0 -1 =1 )   11.8  -120
 - Matacz 1.1                         2419   4.0-7.0   (+2 -5 =4 )   15.6   -65
 - Gaviota 0.75.7 32-bit              2416   4.5-7.5   (+1 -4 =7 )   19.7   -52
 - Dragon 4.6                         2405   1.0-1.0   (+0 -0 =2 )   31.9    +8
 - Eeyore 1.52 32-bit                 2405   7.5-4.5   (+6 -3 =3 )   33.4   +94
 - Djinn 0.925x                       2402   1.5-0.5   (+1 -0 =1 )   39.0  +161
 - Patzer 3.80                        2402   1.0-1.0   (+0 -0 =2 )   38.1    +5
 - Amy 0.87b                          2402   1.0-1.0   (+0 -0 =2 )   39.1    +5
 - Atlas 3.14b 32-bit                 2401   4.5-7.5   (+3 -6 =3 )   42.2   -85
 - Thor's Hammer 2.28 32-bit          2385   1.5-0.5   (+1 -0 =1 )   72.3  +130
 - Dorky 4.3 32-bit                   2385   8.0-12.0  (+5 -9 =6 )   71.7   -77
 - DoubleCheck 2.5.4 32-bit           2383   7.5-6.5   (+6 -5 =3 )   73.4    +9
 - Ares 1.004                         2373   3.0-1.0   (+3 -1 =0 )   91.2  +202
 - TJchess 1.1 32-bit                 2372   5.5-4.5   (+5 -4 =1 )   86.0   +17
 - iCE 0.2                            2371   8.5-3.5   (+5 -0 =7 )   91.6   +92
 - Ifrit m1.5 32-bit                  2371  15.5-10.5  (+11-6 =9 )   89.8   +39
 - TJchess 1.01                       2370   1.0-1.0   (+0 -0 =2 )   91.0   -27
 - GreKo 6.25                         2367   6.0-4.0   (+5 -3 =2 )   89.7   +48
 - Alex 2.14a 32-bit                  2363   7.5-6.5   (+5 -4 =5 )   94.9   -12
 - OliThink 5.3.0 32-bit              2358   1.5-2.5   (+1 -2 =1 )   98.0  -121
 - Flux 2.2.1                         2354   0.5-1.5   (+0 -1 =1 )   98.8  -199
 - Plisk 0.2.7d 32-bit                2350   8.0-4.0   (+6 -2 =4 )   99.4   +64
 - Tytan 9.32 32-bit                  2346   2.0-2.0   (+2 -2 =0 )   99.1   -51
 - Ghost 2.0.1                        2342   1.5-4.5   (+1 -4 =1 )   99.8  -254
 - Arion 1.7                          2342   0.5-1.5   (+0 -1 =1 )   99.9  -211
 - Jazz 840 64-bit                    2337   4.5-3.5   (+3 -2 =3 )  100.0   -23
 - Sjakk 1.1.9                        2326   1.0-1.0   (+0 -0 =2 )  100.0   -71
 - Mediocre 0.4                       2318   5.0-1.0   (+5 -1 =0 )  100.0  +248
 - Cheese 1.3b 32-bit                 2312   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Averno 0.81                        2312   1.0-1.0   (+1 -1 =0 )  100.0   -85
 - Waxman 2010                        2308   1.0-1.0   (+1 -1 =0 )  100.0   -89
 - Waxman 2011                        2304   6.0-4.0   (+5 -3 =2 )  100.0   -18
 - Sjakk 1.1.8                        2302   2.0-0.0   (+2 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019