CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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GreKo 9.7 64-bit in CCRL 40/4, 2019-07-20
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:
GreKo 9.7 64-bit has no rank with rating of 2487 Elo points (+18 -19),
based on 1090 games: 251 wins, 541 losses and 298 draws
Score: 36.7%, Average opponent: +96.9, Draws: 27.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Quazar 0.4 64-bit                  2899   2.0-18.0  (+0 -16=4 )    0.0   +83
 - Scorpio 2.7.5 64-bit               2804   3.5-16.5  (+2 -15=3 )    0.0   +52
 - Dirty 05Sep2012 64-bit             2740   4.0-16.0  (+1 -13=6 )    0.0   +38
 - DiscoCheck 3.7.1 64-bit            2737   3.0-17.0  (+0 -14=6 )    0.0     0
 - Gaviota 0.85.1 64-bit              2728   1.5-8.5   (+1 -8 =1 )    0.0   -64
 - ProDeo 1.81                        2699   4.0-6.0   (+3 -5 =2 )    0.0  +134
 - Fruit 2.1                          2685   5.0-15.0  (+2 -12=6 )    0.0   +26
 - Deuterium 12.01.30.1070 64-bit     2682   2.5-7.5   (+2 -7 =1 )    0.0    -8
 - EXchess 6.50b 64-bit               2670   3.5-6.5   (+2 -5 =3 )    0.0   +85
 - Gandalf 6                          2627  11.5-20.5  (+9 -18=5 )    0.0   +32
 - Philou 3.7.1 64-bit                2620   5.5-14.5  (+4 -13=3 )    0.0   -41
 - Rotor 0.7a                         2618  14.0-28.0  (+9 -23=10)    0.0    +9
 - Sloppy 0.2.2 64-bit                2617   9.0-23.0  (+4 -18=10)    0.0   -20
 - Slow Chess Blitz WV2.1             2614   8.0-24.0  (+1 -17=14)    0.0   -27
 - Ruffian 2.1.0                      2610  14.5-17.5  (+10-13=9 )    0.0   +91
 - RedQueen 1.1.1 64-bit              2609   8.0-2.0   (+7 -1 =2 )    0.0  +355
 - Philou 3.7 64-bit                  2607  12.5-18.5  (+9 -15=7 )    0.0   +53
 - Amyan 1.72                         2604  13.0-19.0  (+8 -14=10)    0.0   +50
 - Glass 1.9 64-bit                   2601  10.0-22.0  (+6 -18=8 )    0.0   -20
 - GarboChess 2.10 64-bit             2598  11.5-20.5  (+7 -16=9 )    0.0   +14
 - GNU Chess 5.07.173b 64-bit         2597  10.5-21.5  (+5 -16=11)    0.0    -7
 - Godel 2.05 64-bit                  2589   5.5-26.5  (+0 -21=11)    0.0  -122
 - Arasan 14.3 64-bit                 2582   4.5-15.5  (+1 -12=7 )    0.0   -90
 - Rodent 0.15 64-bit                 2576   8.5-10.5  (+3 -5 =11)    0.0   +57
 - Atlas 3.25 64-bit                  2569  20.0-32.0  (+11-23=18)    0.0    +3
 - Petir 4.999999                     2555  15.5-16.5  (+13-14=5 )    0.0   +55
 - The Baron 2.23 64-bit              2555  14.0-18.0  (+9 -13=10)    0.0   +22
 - Anaconda 2.0.1                     2546  11.0-21.0  (+5 -15=12)    0.0   -41
 - Rebel Century                      2545  12.5-19.5  (+8 -15=9 )    0.0   -16
 - nanoSzachy 4.0 64-bit              2543  32.5-35.5  (+25-28=15)    0.0   +40
 - Ufim 8.02                          2539  13.0-19.0  (+7 -13=12)    0.0    -9
 - AnMon 5.75                         2539  12.0-20.0  (+11-19=2 )    0.0   -54
 - Pupsi2 0.09                        2537   3.0-7.0   (+2 -6 =2 )    0.0  -100
 - DanaSah 4.88                       2533  12.5-19.5  (+9 -16=7 )    0.0   -32
 - DanaSah 4.24                       2506  13.0-18.0  (+9 -14=8 )    4.5   -44
 - Delphil 2.9f                       2481   7.5-12.5  (+4 -9 =7 )   60.0   -86
 - Mephisto Gideon Professional       2474   8.5-13.5  (+5 -10=7 )   88.5   -90
 - Nebula 1.0 64-bit                  2458  15.0-17.0  (+10-12=10)   98.4   -51
 - pikoSzachy 4.0                     2456  17.0-15.0  (+14-12=6 )   99.6    -9
 - Delphil 2.9g 64-bit                2415  17.5-11.5  (+13-7 =9 )  100.0    -3


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019