CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (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 Intel CPU.
Computed on September 14, 2019 with Bayeselo based on 1'083'337 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+
 chess22k 1.13 64-bit3058+50−5047.9%+6.947.1%119 
61.8%
1chess22k 1.12 64-bit3050+16−1649.1%+3.350.5%1233
99.4%
 chess22k 1.10 64-bit 4CPU3014+22−2246.7%+16.443.7%680
94.3%
 chess22k 1.11 64-bit2990+20−2048.4%+11.048.3%768
99.3%
 chess22k 1.10 64-bit2956+18−1845.8%+26.242.5%1077
62.1%
 chess22k 1.9 64-bit2952+22−2246.3%+23.348.1%642
91.6%
 chess22k 1.8 64-bit2931+21−2147.7%+15.344.0%739
98.3%
 chess22k 1.7 64-bit2899+22−2247.4%+15.745.2%662
100.0%
 chess22k 1.6 64-bit2823+28−2847.3%+18.046.8%389
100.0%
 chess22k 1.5 64-bit2751+25−2551.8%−12.948.0%504
100.0%
 chess22k 1.4 64-bit2675+23−2353.0%−20.235.4%649
100.0%
 chess22k 1.3 64-bit2539+24−2452.6%−20.126.4%622
 

Results matrix

Custom engine selection
#NameElo123456789101112
1chess22k 1.13 64-bit3058            
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-bit2751          7 − 3
+5−1=4
+54
 
11chess22k 1.4 64-bit2675         3 − 7
+1−5=4
−54
  
12chess22k 1.3 64-bit2539            
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-bit3058 61.893.899.3100.0100.0100.0100.0100.0100.0100.0100.0
2chess22k 1.12 64-bit305038.2 99.4100.0100.0100.0100.0100.0100.0100.0100.0100.0
3chess22k 1.10 64-bit 4CPU30146.20.6 94.3100.0100.0100.0100.0100.0100.0100.0100.0
4chess22k 1.11 64-bit29900.70.05.7 99.399.4100.0100.0100.0100.0100.0100.0
5chess22k 1.10 64-bit29560.00.00.00.7 62.196.6100.0100.0100.0100.0100.0
6chess22k 1.9 64-bit29520.00.00.00.637.9 91.6100.0100.0100.0100.0100.0
7chess22k 1.8 64-bit29310.00.00.00.03.48.4 98.3100.0100.0100.0100.0
8chess22k 1.7 64-bit28990.00.00.00.00.00.01.7 100.0100.0100.0100.0
9chess22k 1.6 64-bit28230.00.00.00.00.00.00.00.0 100.0100.0100.0
10chess22k 1.5 64-bit27510.00.00.00.00.00.00.00.00.0 100.0100.0
11chess22k 1.4 64-bit26750.00.00.00.00.00.00.00.00.00.0 100.0
12chess22k 1.3 64-bit25390.00.00.00.00.00.00.00.00.00.00.0 
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-bit3058 5101200000000
2chess22k 1.12 64-bit305051 747671922581645412000
3chess22k 1.10 64-bit 4CPU3014074 5412220148420000
4chess22k 1.11 64-bit29901276754 5657063092291003200
5chess22k 1.10 64-bit295601921222565 55519724511842210
6chess22k 1.9 64-bit295202580706555 30235215882220
7chess22k 1.8 64-bit29310164148309197302 5111654200
8chess22k 1.7 64-bit289905442229245352511 304176260
9chess22k 1.6 64-bit28230120100118158165304 264380
10chess22k 1.5 64-bit275100032428242176264 22820
11chess22k 1.4 64-bit26750000212202638228 208
12chess22k 1.3 64-bit253900000000020208 
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-bit3058 3.80.01.40.00.00.00.00.00.00.00.0
2chess22k 1.12 64-bit30503.8 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-bit29901.438.33.7 30.650.120.516.08.62.50.00.0
5chess22k 1.10 64-bit29560.08.369.630.6 32.310.814.18.02.71.20.0
6chess22k 1.9 64-bit29520.013.80.050.132.3 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-bit27510.00.00.02.52.77.23.415.129.6 19.81.8
11chess22k 1.4 64-bit26750.00.00.00.01.21.70.02.03.719.8 16.4
12chess22k 1.3 64-bit25390.00.00.00.00.00.00.00.00.01.816.4 
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 125 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-bit31830%
0/1
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
       
Laser 1.6 64-bit3129 29%
10/34
 21%
3/14
        
Arasan 21.4 64-bit312543%
14.5/34
0%
0/4
          
Roc 1.1 64-bit312425%
0.5/2
50%
2/4
          
Roc 0.7 64-bit3116 50%
6/12
 39%
5.5/14
 25%
3/12
      
Chiron 4 64-bit3115 46%
15.5/34
 29%
4/14
38%
3/8
33%
4/12
      
RubiChess 1.5 64-bit311250%
1/2
38%
1.5/4
          
Senpai 2.0 64-bit 4CPU3110  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-bit3096 50%
6/12
 39%
5.5/14
31%
2.5/8
29%
3.5/12
      
Vajolet2 2.7 64-bit309550%
1/2
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
       
Nemorino 5.00 64-bit308850%
1/2
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-bit3084100%
2/2
46%
13/28
          
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
Hannibal 1.7 64-bit3081   29%
4/14
38%
3/8
42%
5/12
      
Texel 1.07 64-bit307650%
1/2
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
        
SmarThink 1.98 64-bit3027 54%
18.5/34
54%
21.5/40
36%
6.5/18
  37%
12.5/34
21%
3/14
    
ChessBrainVB 3.683026   50%
9/18
38%
3/8
36%
5/14
      
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
       
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
    
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
   
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
Hakkapeliitta TCEC v2 64-bit2998 60%
18/30
 44%
8/18
 31%
5/16
      
Sting SF 9 64-bit2997   46%
6.5/14
31%
2.5/8
46%
5.5/12
 22%
3.5/16
    
Rybka 3 32-bit2995   57%
8/14
44%
3.5/8
       
Stockfish 1.8 32-bit2989 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-bit2982   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-bit2978    44%
3.5/8
58%
7/12
      
EXchess 7.97b 64-bit 4CPU2971  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
    
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
     
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
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-bit2921   61%
11/18
40%
8/20
58%
7/12
75%
1.5/2
25%
0.5/2
    
Deep Junior Yokohama 64-bit2920   62%
2.5/4
88%
7/8
38%
4.5/12
 25%
0.5/2
    
Dirty CUCUMBER 64-bit2919 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-bit2910    50%
2/4
12%
0.5/4
50%
1/2
33%
6/18
    
Quazar 0.4 64-bit2906   61%
8.5/14
  50%
1/2
     
Amoeba 2.7 64-bit2905      64%
21/33
44%
7/16
    
Toga II 4.0 64-bit2904    88%
3.5/4
62%
2.5/4
0%
0/2
62%
2.5/4
    
Atlas 3.91 64-bit2901   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-bit2890       55%
11/20
25%
1/4
38%
3/8
  
Scorpio 2.8 64-bit2885   57%
8/14
 62%
2.5/4
68%
24.5/36
75%
3/4
    
Fruit Reloaded 3.2.1 64-bit 4CPU2881  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
  
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
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-bit2855        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-bit2846     54%
6.5/12
48%
14.5/30
 36%
5/14
38%
4.5/12
  
Tornado 8.0 64-bit2843       58%
11.5/20
57%
8/14
29%
3.5/12
  
BugChess2 1.9 64-bit 4CPU2839  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-bit2834    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-bit2822     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-bit2811       62%
10/16
60%
6/10
   
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
  
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
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-bit2730    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-bit2659         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
 
Gogobello 1.2 64-bit2596          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
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
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-bit2493          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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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 September 14, 2019