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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Ronja 0.8.1 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:
Ronja 0.8.1 64-bit is #595 with rating of 1271 Elo points (+25 -25),
based on 628 games: 154 wins, 331 losses and 143 draws
Score: 35.9%, Average opponent: +115.8, Draws: 22.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Apollo 1.2.1 64-bit                1772   2.0-29.0  (+1 -28=2 )    0.0   +55
 - Piranha 0.5                        1502  10.5-38.5  (+7 -35=7 )    0.0    +1
 - Koedem 1.0 64-bit                  1501   7.0-43.0  (+5 -41=4 )    0.0   -95
 - Supra 26.0 pro 64-bit              1484   7.0-35.0  (+2 -30=10)    0.0   -32
 - Numpty Recharged 64-bit            1469   7.5-21.5  (+5 -19=5 )    0.0    +8
 - Blikskottel 0.8                    1459   8.0-18.0  (+5 -15=6 )    0.0   +43
 - Hactar 0.9.0 64-bit                1448   8.0-21.0  (+4 -17=8 )    0.0   +11
 - MiniMardi 1.3                      1409   5.0-25.0  (+1 -21=8 )    0.0  -109
 - Goyaz 0.007                        1408   8.0-23.0  (+6 -21=4 )    0.0   -57
 - Virutor Chess 1.1.2                1363  10.5-19.5  (+8 -17=5 )    0.0   -22
 - MiniChessAI 1.19                   1360   8.5-23.5  (+5 -20=7 )    0.0   -89
 - Honzovy Sachy 1.0 64-bit           1344  11.0-21.0  (+7 -17=8 )    0.0   -38
 - Ozwald 0.43                        1333  18.0-13.0  (+15-10=6 )    0.0  +122
 - CeruleanJS 0.1.1 Blizzard 64-bit   1295  17.5-12.5  (+11-6 =13)    5.3   +73
 - KillerQueen 2.0b3                  1290  16.5-11.5  (+11-6 =11)   10.6   +79
 - Chess 1.3.1 by David Cimbalista    1281  18.5-9.5   (+14-5 =9 )   28.0  +117
 - Toledo Nanochess Jan/11/2010       1227  22.5-27.5  (+12-17=21)   99.9   -73
 - Soberango 0.12.0                   1112  39.5-10.5  (+35-6 =9 )  100.0   +68


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