CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Engine Details

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Chronos 1.9.4 in CCRL 40/40, 2019-08-17
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:
Chronos 1.9.4 has no rank with rating of 2473 Elo points (+33 -33),
based on 300 games: 100 wins, 91 losses and 109 draws
Score: 51.5%, Average opponent: −10.3, Draws: 36.3%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Colossus 2008b                    2643   1.0-1.0   (+1 -1 =0 )    0.0  +170
 - Hiarcs 9                          2628   3.0-9.0   (+1 -7 =4 )    0.0   -10
 - Slow Chess Blitz WV2              2615   2.0-8.0   (+0 -6 =4 )    0.0   -50
 - Colossus 2008a                    2544   5.0-5.0   (+3 -3 =4 )    0.1   +71
 - GreKo 12.0 64-bit                 2541   4.0-6.0   (+1 -3 =6 )    0.1   +19
 - DanaSah 4.60                      2540   5.5-4.5   (+4 -3 =3 )    0.1   +98
 - Arasan 12.1 32-bit                2531   4.5-3.5   (+3 -2 =3 )    0.7  +106
 - CuckooChess 1.10                  2530   5.0-5.0   (+3 -3 =4 )    0.6   +57
 - AnMon 5.60                        2515   4.0-6.0   (+4 -6 =0 )    1.2   -48
 - CuckooChess 1.09                  2508   3.0-5.0   (+1 -3 =4 )    6.6   -38
 - Hamsters 0.4                      2507   6.0-4.0   (+5 -3 =2 )    6.5  +111
 - Movei 00.8.295                    2507   5.0-5.0   (+2 -2 =6 )    6.0   +30
 - Hermann 2.4 32-bit                2501   3.0-7.0   (+2 -6 =2 )    8.4  -115
 - Arasan 10.3                       2497   4.0-6.0   (+3 -5 =2 )   12.1   -50
 - Rotor 0.4                         2480   1.5-2.5   (+0 -1 =3 )   35.1   -52
 - BBChess 1.3a                      2472   1.5-2.5   (+1 -2 =1 )   51.3   -82
 - Trace 1.35                        2463   4.5-5.5   (+2 -3 =5 )   67.3   -41
 - Bruja 1.9.1 32-bit                2444   8.0-12.0  (+5 -9 =6 )   91.8   -95
 - Homer 2.01                        2429   3.0-1.0   (+2 -0 =2 )   98.6  +105
 - Pupsi2 0.07                       2428   7.5-6.5   (+5 -4 =5 )   98.8   -17
 - Diablo 0.5.1                      2410   0.5-1.5   (+0 -1 =1 )   99.9  -219
 - Gaia 3.5 32-bit                   2409   6.5-5.5   (+4 -3 =5 )   99.9   -36
 - Queen 4.03                        2408   1.5-0.5   (+1 -0 =1 )  100.0   +77
 - nanoSzachy 3.4                    2407   7.0-7.0   (+5 -5 =4 )   99.9   -66
 - RomiChess P3k 32-bit              2407   5.0-1.0   (+4 -0 =2 )  100.0  +164
 - Dragon 4.6                        2405   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Patzer 3.80                       2402   1.0-1.0   (+0 -0 =2 )  100.0   -71
 - Amy 0.87b                         2402   1.5-0.5   (+1 -0 =1 )  100.0   +85
 - Djinn 0.925x                      2402   0.5-1.5   (+0 -1 =1 )  100.0  -227
 - Gosu 0.16                         2395   1.5-0.5   (+1 -0 =1 )  100.0   +64
 - Phalanx XXII                      2393   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Amateur 2.82                      2389   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Sorgenkind 0.4                    2388   4.5-1.5   (+3 -0 =3 )  100.0   +62
 - Sage 3.53                         2386   3.5-2.5   (+2 -1 =3 )  100.0   -35
 - Horizon 4.4                       2385   4.5-1.5   (+4 -1 =1 )  100.0  +101
 - Delphil 1.9f                      2385   3.5-2.5   (+3 -2 =1 )  100.0   -19
 - Comet B68                         2384   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Thor's Hammer 2.28 32-bit         2379   1.0-1.0   (+1 -1 =0 )  100.0   -94
 - Counter 1.0                       2367   1.5-0.5   (+1 -0 =1 )  100.0   +35
 - GreKo 6.25                        2367   8.0-4.0   (+4 -0 =8 )  100.0   -19
 - Flux 2.2.1                        2357   1.5-0.5   (+1 -0 =1 )  100.0   +40
 - Dirty 0.99z                       2352   5.0-5.0   (+3 -3 =4 )  100.0  -121
 - LittleThought 1.03 32-bit         2339   4.0-2.0   (+3 -1 =2 )  100.0   -21
 - Cheese 1.3                        2308   1.5-0.5   (+1 -0 =1 )  100.0    -8
 - Brutus 6.1                        2298   2.0-0.0   (+2 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on August 17, 2019