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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Rodent 1.2 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:
Rodent 1.2 64-bit has no rank with rating of 2690 Elo points (+32 -32),
based on 320 games: 101 wins, 120 losses and 99 draws
Score: 47.0%, Average opponent: +17.2, Draws: 30.9%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Crafty 23.8 64-bit                2811   2.0-18.0  (+0 -16=4 )    0.0  -204
 - DiscoCheck 5.0.1 64-bit           2805   6.0-14.0  (+1 -9 =10)    0.0    -4
 - Arasan 16.3 64-bit                2783   0.5-3.5   (+0 -3 =1 )    0.0  -194
 - Gaviota 0.86 64-bit               2782   1.0-3.0   (+0 -2 =2 )    0.0   -57
 - Bright 0.4a                       2776   4.5-5.5   (+2 -3 =5 )    0.0   +54
 - EXchess 7.18b 64-bit              2775   1.5-2.5   (+1 -2 =1 )    0.0    +3
 - Octochess r5190 64-bit            2772   1.5-2.5   (+0 -1 =3 )    0.0   +22
 - Glaurung 2.1 64-bit               2770   2.5-7.5   (+1 -6 =3 )    0.0   -94
 - Thinker 5.3b Passive 64-bit       2766   3.0-7.0   (+1 -5 =4 )    0.0   -49
 - GNU Chess 5.50 64-bit             2757   1.0-3.0   (+0 -2 =2 )    0.0   -89
 - Cheng4 0.36a 64-bit               2748   4.5-9.5   (+3 -8 =3 )    0.4   -73
 - NirvanaChess 1.3 64-bit           2748   4.5-9.5   (+2 -7 =5 )    0.5   -57
 - Spike 1.2 Turin                   2745   4.0-6.0   (+2 -4 =4 )    0.1    -8
 - Arasan 16.2 64-bit                2741   7.5-14.5  (+5 -12=5 )    1.3   -63
 - Bobcat 3.25 64-bit                2725   2.0-2.0   (+2 -2 =0 )    3.1   +35
 - Cheng4 0.35a 64-bit               2718   1.5-0.5   (+1 -0 =1 )   10.8  +184
 - iCE 1.0 64-bit                    2706   2.5-3.5   (+1 -2 =3 )   19.9   -23
 - Chess Tiger 2007.1                2704   0.5-1.5   (+0 -1 =1 )   21.7  -128
 - NirvanaChess 1.2 64-bit           2702   1.5-0.5   (+1 -0 =1 )   30.7  +168
 - ProDeo 1.86                       2701   5.0-9.0   (+3 -7 =4 )   31.1   -85
 - Vajolet 2.48                      2692   4.5-5.5   (+3 -4 =3 )   47.7   -33
 - Delfi 5.4                         2689   0.5-1.5   (+0 -1 =1 )   51.8  -143
 - Atlas 3.60 64-bit                 2688   6.5-3.5   (+6 -3 =1 )   55.2  +118
 - Chess Tiger 2007                  2681   5.0-5.0   (+4 -4 =2 )   69.5    -9
 - ProDeo 1.85                       2675   0.5-1.5   (+0 -1 =1 )   76.2  -157
 - LoopList 6.00                     2664   6.5-3.5   (+5 -2 =3 )   89.4   +78
 - Vajolet 2.03                      2660   6.0-6.0   (+4 -4 =4 )   92.7   -33
 - Pawny 1.0 64-bit                  2660   1.5-0.5   (+1 -0 =1 )   94.9  +112
 - Atlas 3.50 64-bit                 2659   1.5-0.5   (+1 -0 =1 )   91.4  +125
 - CM10th Lazarus                    2656   2.0-0.0   (+2 -0 =0 )   95.6  +INF
 - Dirty 24Apr2011 64-bit            2655   6.5-3.5   (+5 -2 =3 )   96.3   +67
 - RedQueen 1.1.4 64-bit             2653   8.5-3.5   (+6 -1 =5 )   95.9   +94
 - Alfil 13.1 64-bit                 2628   1.5-0.5   (+1 -0 =1 )  100.0   +80
 - Tucano 3.00 64-bit                2620   7.5-4.5   (+5 -2 =5 )  100.0   +10
 - Bison 9.6                         2619   7.0-3.0   (+6 -2 =2 )  100.0   +78
 - Djinn 0.992 64-bit                2589   1.0-1.0   (+1 -1 =0 )  100.0  -101
 - Quazar 0.3b 32-bit                2582   8.5-1.5   (+8 -1 =1 )  100.0  +199
 - GNU Chess 5.07.153b 64-bit        2570   9.5-0.5   (+9 -0 =1 )  100.0  +323
 - DanaSah 5.07                      2569   9.0-1.0   (+8 -0 =2 )  100.0  +207


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