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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Isa 2.0.83 64-bit 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:
Isa 2.0.83 64-bit has no rank with rating of 2382 Elo points (+58 -58),
based on 100 games: 35 wins, 36 losses and 29 draws
Score: 49.5%, Average opponent: +4.2, Draws: 29.0%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - KnightX 1.95 64-bit               2535   0.0-1.0   (+0 -1 =0 )    1.5  -INF
 - Barbarossa 0.6.0 64-bit           2472   0.0-1.0   (+0 -1 =0 )    9.6  -INF
 - FabChess 1.9.1 64-bit             2461   1.0-0.0   (+1 -0 =0 )   12.9  +INF
 - Axolotl 1.8 64-bit                2445   1.5-3.5   (+1 -3 =1 )    2.2   -73
 - Bumblebee 1.0.36898e1 64-bit      2445   3.5-0.5   (+3 -0 =1 )    2.2  +347
 - Tunguska 1.1 64-bit               2443   4.0-5.0   (+3 -4 =2 )    2.9   +18
 - Cmcchess 2.6 64-bit               2419   0.0-1.0   (+0 -1 =0 )   11.9  -INF
 - RomiChess P3n 64-bit              2414   4.5-4.5   (+3 -3 =3 )   15.0   +26
 - Gaia 3.5 64-bit                   2412   2.5-1.5   (+2 -1 =1 )   17.1  +111
 - KnightDreamer 3.3                 2410   2.0-4.0   (+1 -3 =2 )   20.6   -83
 - Myrddin 0.87 64-bit               2396   3.5-2.5   (+2 -1 =3 )   32.8   +66
 - Popochin 4.1 64-bit               2392   1.0-3.0   (+0 -2 =2 )   37.8  -138
 - Ares GB 64-bit                    2386   3.5-2.5   (+3 -2 =1 )   45.9   +61
 - Galjoen 0.39 64-bit               2385   3.0-2.0   (+2 -1 =2 )   46.7   +61
 - Zevra 2.1.1 r216 64-bit           2382   5.5-4.5   (+4 -3 =3 )   50.0   +41
 - Thor's Hammer 2.28 32-bit         2379   1.0-0.0   (+1 -0 =0 )   54.4  +INF
 - Waxman 2017                       2369   2.0-2.0   (+1 -1 =2 )   66.6   -13
 - Plisk 0.2.7d 64-bit               2359   1.0-1.0   (+0 -0 =2 )   77.2   -23
 - KnightX 1.94 64-bit               2350   3.0-1.0   (+3 -1 =0 )   84.3  +190
 - Napoleon 1.8 64-bit               2338   1.5-2.5   (+1 -2 =1 )   92.3  -138
 - FireFly 2.7.2 64-bit              2330   1.5-2.5   (+1 -2 =1 )   95.6  -136
 - Googleplex Starthinker 1.4 64-bit 2321   2.0-3.0   (+2 -3 =0 )   97.7  -155
 - Clever Girl r185 64-bit           2162   2.0-2.0   (+1 -1 =2 )  100.0  -220


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