CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 12 engines!
12 selected engines played 44 games with each other

CCRL 40/40 Rating List — Custom engine selection (Quote)

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 CPU.
Computed on November 8, 2019 with Bayeselo based on 1'097'085 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1chess22k 1.13 64-bit3062+25−2547.9%+10.851.0%482 
79.9%
 chess22k 1.12 64-bit3050+16−1649.1%+3.350.5%1233
99.4%
 chess22k 1.10 64-bit 4CPU3014+22−2246.7%+16.543.7%680
94.2%
 chess22k 1.11 64-bit2990+20−2048.4%+11.248.3%768
99.3%
 chess22k 1.10 64-bit2956+18−1845.8%+26.442.5%1077
62.2%
 chess22k 1.9 64-bit2952+22−2246.3%+23.548.1%642
91.5%
 chess22k 1.8 64-bit2931+21−2047.7%+15.544.0%739
98.4%
 chess22k 1.7 64-bit2899+22−2247.4%+15.845.2%662
100.0%
 chess22k 1.6 64-bit2823+28−2847.3%+18.046.8%389
100.0%
 chess22k 1.5 64-bit2750+25−2551.8%−12.148.0%504
100.0%
 chess22k 1.4 64-bit2675+23−2353.0%−20.335.4%649
100.0%
 chess22k 1.3 64-bit2538+24−2452.0%−16.826.4%636
 

Results matrix

Custom engine selection
#NameElo123456789101112
1chess22k 1.13 64-bit3062            
2chess22k 1.12 64-bit3050            
3chess22k 1.10 64-bit 4CPU3014            
4chess22k 1.11 64-bit2990            
5chess22k 1.10 64-bit2956            
6chess22k 1.9 64-bit2952            
7chess22k 1.8 64-bit2931       20 − 14
+9−3=22
+19
    
8chess22k 1.7 64-bit2899      14 − 20
+3−9=22
−19
     
9chess22k 1.6 64-bit2823            
10chess22k 1.5 64-bit2750          7 − 3
+5−1=4
+55
 
11chess22k 1.4 64-bit2675         3 − 7
+1−5=4
−55
  
12chess22k 1.3 64-bit2538            
Performance color legend:
(Only pairs with at least 30 games)
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

LOS matrix

Custom engine selection
#NameElo123456789101112
1chess22k 1.13 64-bit3062 79.999.7100.0100.0100.0100.0100.0100.0100.0100.0100.0
2chess22k 1.12 64-bit305020.1 99.4100.0100.0100.0100.0100.0100.0100.0100.0100.0
3chess22k 1.10 64-bit 4CPU30140.30.6 94.2100.0100.0100.0100.0100.0100.0100.0100.0
4chess22k 1.11 64-bit29900.00.05.8 99.399.4100.0100.0100.0100.0100.0100.0
5chess22k 1.10 64-bit29560.00.00.00.7 62.296.6100.0100.0100.0100.0100.0
6chess22k 1.9 64-bit29520.00.00.00.637.8 91.5100.0100.0100.0100.0100.0
7chess22k 1.8 64-bit29310.00.00.00.03.48.5 98.4100.0100.0100.0100.0
8chess22k 1.7 64-bit28990.00.00.00.00.00.01.6 100.0100.0100.0100.0
9chess22k 1.6 64-bit28230.00.00.00.00.00.00.00.0 100.0100.0100.0
10chess22k 1.5 64-bit27500.00.00.00.00.00.00.00.00.0 100.0100.0
11chess22k 1.4 64-bit26750.00.00.00.00.00.00.00.00.00.0 100.0
12chess22k 1.3 64-bit25380.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112
1chess22k 1.13 64-bit3062 2640984024000000
2chess22k 1.12 64-bit3050264 747671922581645412000
3chess22k 1.10 64-bit 4CPU3014074 5412220148420000
4chess22k 1.11 64-bit29909876754 5657063092291003200
5chess22k 1.10 64-bit2956401921222565 55519724511842210
6chess22k 1.9 64-bit2952242580706555 30235215882220
7chess22k 1.8 64-bit29310164148309197302 5111654200
8chess22k 1.7 64-bit289905442229245352511 304176260
9chess22k 1.6 64-bit28230120100118158165304 264380
10chess22k 1.5 64-bit275000032428242176264 22820
11chess22k 1.4 64-bit26750000212202638228 208
12chess22k 1.3 64-bit253800000000020208 
Number of connecting games color legend:
0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000

Percentage of connecting games matrix

Custom engine selection
#NameElo123456789101112
1chess22k 1.13 64-bit3062 15.40.07.82.62.10.00.00.00.00.00.0
2chess22k 1.12 64-bit305015.4 3.938.38.313.88.32.80.70.00.00.0
3chess22k 1.10 64-bit 4CPU30140.03.9 3.769.60.010.43.10.00.00.00.0
4chess22k 1.11 64-bit29907.838.33.7 30.650.120.516.08.62.50.00.0
5chess22k 1.10 64-bit29562.68.369.630.6 32.310.814.18.02.71.20.0
6chess22k 1.9 64-bit29522.113.80.050.132.3 21.927.015.37.21.70.0
7chess22k 1.8 64-bit29310.08.310.420.510.821.9 36.514.63.40.00.0
8chess22k 1.7 64-bit28990.02.83.116.014.127.036.5 28.915.12.00.0
9chess22k 1.6 64-bit28230.00.70.08.68.015.314.628.9 29.63.70.0
10chess22k 1.5 64-bit27500.00.00.02.52.77.23.415.129.6 19.81.8
11chess22k 1.4 64-bit26750.00.00.00.01.21.70.02.03.719.8 16.2
12chess22k 1.3 64-bit25380.00.00.00.00.00.00.00.00.01.816.2 
Percentage of connecting games color legend:
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

Score with 130 common opponents

Custom engine selection
NameElochess22k
1.13
64-bit
chess22k
1.12
64-bit
chess22k
1.10
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
Fritz 16 64-bit 4CPU3193  20%
8/40
 20%
8.5/42
       
Andscacs 0.95 64-bit318425%
1/4
30%
9.5/32
          
Komodo 12.1.1 MCTS 64-bit 4CPU3182  29%
11.5/40
 17%
7/42
       
Xiphos 0.3 64-bit 4CPU3179  26%
10.5/40
 19%
7.5/40
       
Xiphos 0.4 64-bit315045%
4.5/10
38%
13/34
          
Laser 1.6 64-bit313050%
6/12
29%
10/34
 21%
3/14
        
Schooner 2.1 64-bit313020%
2/10
25%
1/4
          
Arasan 21.4 64-bit312842%
15/36
0%
0/4
          
Roc 1.1 64-bit312612%
0.5/4
50%
2/4
          
Arasan 21.3 64-bit312450%
5/10
0%
0/4
          
Roc 0.7 64-bit3116 50%
6/12
 39%
5.5/14
 25%
3/12
      
Chiron 4 64-bit311529%
3.5/12
46%
15.5/34
 29%
4/14
38%
3/8
33%
4/12
      
RubiChess 1.5 64-bit311150%
7/14
38%
1.5/4
          
Senpai 2.0 64-bit 4CPU3111  45%
18/40
 28%
11/40
       
Strelka 5.5 64-bit3104  32%
13/40
 24%
9.5/40
 18%
6/34
     
NirvanaChess 2.4 64-bit3102 45%
17.5/39
 46%
6.5/14
25%
2/8
42%
5/12
      
Equinox 3.20 64-bit3097 50%
6/12
 39%
5.5/14
31%
2.5/8
29%
3.5/12
      
Vajolet2 2.7 64-bit309650%
2/4
39%
15/38
          
Fritz 15 64-bit3094   25%
3.5/14
31%
2.5/8
29%
3.5/12
      
Xiphos 0.3 64-bit3093   31%
5.5/18
25%
2/8
       
NameElochess22k
1.13
64-bit
chess22k
1.12
64-bit
chess22k
1.10
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
Houdini 1.5a 32-bit309154%
6.5/12
46%
5.5/12
          
Nemorino 5.00 64-bit308850%
2/4
36%
14.5/40
 47%
8.5/18
        
Pedone 1.7 64-bit 4CPU3087  41%
16.5/40
 33%
14/42
       
Pedone 1.9 64-bit308488%
3.5/4
46%
13/28
          
Strelka 5.1 32-bit308345%
4.5/10
38%
4.5/12
          
Hannibal 1.7 64-bit3081   29%
4/14
38%
3/8
42%
5/12
      
Texel 1.07 64-bit307550%
2/4
51%
22.5/44
 50%
2/4
        
Wasp 3.0 64-bit 4CPU3061  39%
15.5/40
 32%
13/40
       
Pedone 1.8 64-bit3060 55%
23/42
 39%
7/18
        
Vajolet2 2.6 64-bit3060 47%
18/38
 44%
8/18
        
Protector 1.9.0 64-bit3059   46%
6.5/14
12%
1/8
38%
4.5/12
      
ChessBrainVB 3.703044 47%
7/15
 50%
7/14
        
Arasan 21.0 64-bit3042   33%
6/18
 35%
10.5/30
      
Gull 3.1 64-bit3039    19%
1.5/8
25%
3/12
 25%
4/16
    
Arasan 20.4.1 64-bit3037      33%
10.5/32
19%
3.5/18
    
Senpai 2.0 64-bit3036 51%
19/37
 88%
3.5/4
        
ChessBrainVB 3.683026   50%
9/18
38%
3/8
36%
5/14
      
SmarThink 1.98 64-bit3026 54%
18.5/34
54%
21.5/40
36%
6.5/18
  37%
12.5/34
21%
3/14
    
Arasan 20.5 64-bit3025     38%
4.5/12
42%
5.5/13
     
Crafty 25.2 64-bit 4CPU3014  54%
21.5/40
 51%
21.5/42
       
NameElochess22k
1.13
64-bit
chess22k
1.12
64-bit
chess22k
1.10
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
Pedone 1.7 64-bit3014      38%
13/34
36%
5/14
    
Cheng 4.39 64-bit 4CPU3010  41%
16.5/40
 33%
14/42
       
Ethereal 9.30 64-bit3005     54%
6.5/12
50%
1/2
30%
3/10
    
Vajolet2 2.5 64-bit3002     50%
6/12
36%
13/36
46%
6/13
    
Hakkapeliitta TCEC v2 64-bit2999 60%
18/30
 44%
8/18
 31%
5/16
      
Defenchess 1.1f 64-bit2998 60%
6/10
 39%
5.5/14
25%
3/12
42%
5/12
38%
13.5/36
75%
1.5/2
50%
2/4
   
Sting SF 9 64-bit2998   46%
6.5/14
31%
2.5/8
46%
5.5/12
 22%
3.5/16
    
Rybka 3 32-bit299479%
9.5/12
  57%
8/14
44%
3.5/8
       
Stockfish 1.8 32-bit2988 71%
8.5/12
 46%
6.5/14
        
Rodent III 0.275 64-bit2986 62%
18.5/30
 47%
7.5/16
45%
19/42
       
Xiphos 0.1 64-bit2986      25%
0.5/2
27%
8/30
    
Wasp 3.0 64-bit2985   50%
21/42
53%
9/17
47%
15/32
      
Rodent III 0.238 64-bit2983   54%
7.5/14
62%
2.5/4
29%
3.5/12
43%
15.5/36
17%
0.5/3
    
Demolito 2018-10-29 64-bit2978 50%
16/32
 60%
20.5/34
        
Stockfish 1.7.1 32-bit2977    44%
3.5/8
58%
7/12
      
EXchess 7.97b 64-bit 4CPU2972  54%
21.5/40
 63%
26.5/42
       
Ethereal 9.00 64-bit2968      46%
15.5/34
50%
2/4
    
Hiarcs 142962   62%
2.5/4
42%
5/12
 50%
1/2
100%
2/2
    
Hakkapeliitta 3.0 64-bit2955      49%
17.5/36
25%
0.5/2
    
Wasp 2.6 64-bit2947     62%
2.5/4
57%
20.5/36
42%
7.5/18
    
NameElochess22k
1.13
64-bit
chess22k
1.12
64-bit
chess22k
1.10
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
Gaviota 1.0 64-bit 4CPU2943  61%
24.5/40
 48%
20/42
       
Deep Sjeng c't 20102942   75%
3/4
  50%
1/2
0%
0/2
    
Crafty 25.2 64-bit2931 74%
25/34
 42%
7.5/18
50%
2/4
38%
1.5/4
59%
19/32
25%
0.5/2
    
Naum 4 32-bit2931 70%
7/10
 61%
8.5/14
38%
3/8
46%
5.5/12
      
Amoeba 2.8 64-bit2927   62%
2.5/4
62%
2.5/4
38%
1.5/4
50%
1/2
     
Pirarucu 2.6.1 64-bit2926 58%
7/12
 63%
16.5/26
        
Bobcat 8.0 64-bit2924   69%
12.5/18
38%
3/8
50%
6/12
50%
1.5/3
38%
1.5/4
39%
5.5/14
   
Cheng 4.39 64-bit2922   61%
11/18
40%
8/20
58%
7/12
75%
1.5/2
25%
0.5/2
    
Deep Junior Yokohama 64-bit2921   62%
2.5/4
88%
7/8
38%
4.5/12
 25%
0.5/2
    
Dirty CUCUMBER 64-bit2918 71%
24/34
   42%
5/12
      
DisasterArea 1.65 64-bit 4CPU2915  58%
23/40
 46%
19.5/42
       
Deuterium 2018.1.35.514 64-bit2913   68%
9.5/14
75%
3/4
56%
23.5/42
      
Amoeba 2.6 64-bit2912    56%
4.5/8
   50%
2/4
   
Demolito 2018-03-01 64-bit2911    50%
2/4
12%
0.5/4
50%
1/2
33%
6/18
    
Amoeba 2.7 64-bit2906      64%
21/33
44%
7/16
    
Quazar 0.4 64-bit2906   61%
8.5/14
  50%
1/2
     
Toga II 4.0 64-bit2905    88%
3.5/4
62%
2.5/4
0%
0/2
62%
2.5/4
    
Atlas 3.91 64-bit2902   57%
8/14
67%
8/12
66%
10.5/16
 66%
10.5/16
    
EXchess 7.97b 64-bit2894   71%
10/14
50%
2/4
56%
9/16
55%
16.5/30
48%
9.5/20
50%
7/14
   
Demolito 2017-08-26 64-bit2891       55%
11/20
25%
1/4
38%
3/8
  
NameElochess22k
1.13
64-bit
chess22k
1.12
64-bit
chess22k
1.10
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
Scorpio 2.8 64-bit2886   57%
8/14
 62%
2.5/4
68%
24.5/36
75%
3/4
    
Fruit Reloaded 3.2.1 64-bit 4CPU2882  70%
28/40
 71%
30/42
       
Quazar 0.4 32-bit2880       53%
8.5/16
70%
7/10
   
Thinker 5.4d Inert 64-bit2865   82%
11.5/14
     50%
1/2
  
Gaviota 1.0 64-bit2860      62%
18.5/30
 35%
3.5/10
50%
1/2
  
Dirty 30Apr2017 64-bit2857   64%
9/14
75%
9/12
75%
9/12
 68%
13.5/20
39%
5.5/14
46%
5.5/12
  
MinkoChess 1.3 64-bit2854        55%
5.5/10
25%
0.5/2
  
Thinker 5.4c Inert 32-bit2850    69%
5.5/8
71%
8.5/12
      
Defenchess 1.0 64-bit2847        20%
2/10
40%
4/10
  
DisasterArea 1.65 64-bit2847     54%
6.5/12
48%
14.5/30
 36%
5/14
38%
4.5/12
  
Tornado 8.0 64-bit2842       58%
11.5/20
57%
8/14
29%
3.5/12
  
BugChess2 1.9 64-bit 4CPU2838  78%
31/40
 76%
32/42
       
The Baron 3.41 64-bit2838    44%
3.5/8
62%
7.5/12
 50%
8/16
46%
6.5/14
50%
5/10
  
Fruit Reloaded 3.2.1 64-bit2836    75%
3/4
88%
3.5/4
62%
18.5/30
50%
2/4
40%
4/10
   
Scorpio 2.7.8 64-bit2830        46%
6.5/14
25%
2.5/10
  
Tucano 7.00 64-bit2826    69%
5.5/8
75%
9/12
 72%
11.5/16
  30%
3/10
 
Murka 3 64-bit2825        50%
5/10
54%
7.5/14
  
Zurichess Neuchatel 64-bit2824     50%
2/4
   38%
4.5/12
  
Ethereal 8.37 64-bit2816        41%
6.5/16
 42%
2.5/6
 
GNU Chess 5.60 64-bit2812       62%
10/16
60%
6/10
   
NameElochess22k
1.13
64-bit
chess22k
1.12
64-bit
chess22k
1.10
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
The Baron 3.42 64-bit2797      57%
17/30
88%
3.5/4
    
Rhetoric 1.4.3 64-bit2795       75%
12/16
75%
7.5/10
58%
3.5/6
  
Octochess r5506 64-bit2783       59%
9.5/16
60%
6/10
58%
3.5/6
  
Pawny 1.2 64-bit2777        61%
8.5/14
75%
1.5/2
  
RuyDos 1.0.27 64-bit2764       47%
7.5/16
60%
6/10
50%
5/10
  
Ethereal 8.28 64-bit2746         62%
2.5/4
40%
4/10
 
Carballo 1.7 64-bit2737        55%
5.5/10
38%
1.5/4
  
Shield 2.1 64-bit2729    100%
1/1
     65%
6.5/10
 
Nebula 2.0 64-bit 4CPU2726  76%
30.5/40
 82%
34.5/42
       
Tucano 6.00 64-bit2724         43%
6/14
50%
5/10
 
RuyDos 1.0.22 64-bit2721         55%
5.5/10
38%
4.5/12
 
Marvin 2.2.0 64-bit2719        85%
8.5/10
 50%
5/10
 
Cheese 1.9 64-bit2704         57%
8/14
40%
4/10
 
Ethereal 8.19 64-bit2685         65%
6.5/10
25%
3/12
15%
1.5/10
WyldChess 1.51 64-bit2684         61%
8.5/14
50%
5/10
 
Djinn 1.021 64-bit2668         50%
5/10
50%
1/2
 
Floyd 0.9 64-bit2658         55%
5.5/10
75%
4.5/6
 
DanaSah 7.32640          50%
3.5/7
44%
4/9
Rodin 8.02627         85%
8.5/10
59%
9.5/16
 
Phalanx XXV2619         85%
8.5/10
56%
9/16
 
NameElochess22k
1.13
64-bit
chess22k
1.12
64-bit
chess22k
1.10
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
Gogobello 1.2 64-bit2595          58%
7/12
50%
7/14
GreKo 2016 64-bit2592         75%
3/4
50%
1/2
 
K2 0.872583          54%
7.5/14
50%
5/10
Marvin 2.1.0 64-bit2581          83%
5/6
75%
7.5/10
Ghost 3 64-bit2549          75%
7.5/10
35%
3.5/10
Fridolin 2.00 64-bit2531          85%
8.5/10
60%
6/10
nanoSzachy 4.1 64-bit2529          75%
3/4
45%
4.5/10
Shield 1.3.1 64-bit2510          70%
7/10
55%
5.5/10
Pepito 1.59 64-bit2492          75%
7.5/10
30%
3/10
MadChess 2.1 64-bit2476          80%
8/10
88%
3.5/4
Score color legend:
(Only pairs with at least 30 games)
0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%

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Alter output selection

Rating list
Testing profile
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Results table
Performance table
Score table
LOS table
Proportion of draws
Number of games
Number of connecting games
Percentage of connecting games
Score with common opponents
Score with all opponents
Performance with common opponents
Performance with all opponents
LOS with common opponents
LOS with all opponents

Maximum size of cross-tables (from 2 to 100):
Limit crosstables to engines in Elo range: to
Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
Sort cross-tables by:   Rating   Name
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Reference rating list:
Recalibrate:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on November 8, 2019