CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 11 engines!
11 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 July 11, 2019 with Bayeselo based on 1'066'603 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 1.12 64-bit3050+16−1649.3%+1.950.7%1201 
99.5%
 chess22k 1.10 64-bit 4CPU3013+22−2246.7%+16.443.7%680
94.1%
 chess22k 1.11 64-bit2989+20−2048.4%+11.248.3%768
99.3%
 chess22k 1.10 64-bit2955+18−1845.8%+26.142.5%1077
62.6%
 chess22k 1.9 64-bit2950+22−2246.1%+25.148.0%636
91.2%
 chess22k 1.8 64-bit2930+21−2147.7%+15.344.0%739
98.4%
 chess22k 1.7 64-bit2898+22−2247.4%+15.545.2%662
100.0%
 chess22k 1.6 64-bit2822+28−2847.3%+17.846.8%389
100.0%
 chess22k 1.5 64-bit2749+25−2551.8%−12.248.0%504
100.0%
 chess22k 1.4 64-bit2674+23−2353.5%−22.935.3%637
100.0%
 chess22k 1.3 64-bit2537+24−2453.1%−24.226.6%598
 

Results matrix

Custom engine selection
#NameElo1234567891011
1chess22k 1.12 64-bit3050           
2chess22k 1.10 64-bit 4CPU3013           
3chess22k 1.11 64-bit2989           
4chess22k 1.10 64-bit2955           
5chess22k 1.9 64-bit2950           
6chess22k 1.8 64-bit2930      20 − 14
+9−3=22
+19
    
7chess22k 1.7 64-bit2898     14 − 20
+3−9=22
−19
     
8chess22k 1.6 64-bit2822           
9chess22k 1.5 64-bit2749         7 − 3
+5−1=4
+55
 
10chess22k 1.4 64-bit2674        3 − 7
+1−5=4
−55
  
11chess22k 1.3 64-bit2537           
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
#NameElo1234567891011
1chess22k 1.12 64-bit3050 99.5100.0100.0100.0100.0100.0100.0100.0100.0100.0
2chess22k 1.10 64-bit 4CPU30130.5 94.1100.0100.0100.0100.0100.0100.0100.0100.0
3chess22k 1.11 64-bit29890.05.9 99.399.5100.0100.0100.0100.0100.0100.0
4chess22k 1.10 64-bit29550.00.00.7 62.696.5100.0100.0100.0100.0100.0
5chess22k 1.9 64-bit29500.00.00.537.4 91.2100.0100.0100.0100.0100.0
6chess22k 1.8 64-bit29300.00.00.03.58.8 98.4100.0100.0100.0100.0
7chess22k 1.7 64-bit28980.00.00.00.00.01.6 100.0100.0100.0100.0
8chess22k 1.6 64-bit28220.00.00.00.00.00.00.0 100.0100.0100.0
9chess22k 1.5 64-bit27490.00.00.00.00.00.00.00.0 100.0100.0
10chess22k 1.4 64-bit26740.00.00.00.00.00.00.00.00.0 100.0
11chess22k 1.3 64-bit25370.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1chess22k 1.12 64-bit3050 747671922581645412000
2chess22k 1.10 64-bit 4CPU301374 5412220148420000
3chess22k 1.11 64-bit298976754 5657063092291003200
4chess22k 1.10 64-bit29551921222565 55519724511842210
5chess22k 1.9 64-bit29502580706555 30235215882220
6chess22k 1.8 64-bit2930164148309197302 5111654200
7chess22k 1.7 64-bit28985442229245352511 304176260
8chess22k 1.6 64-bit2822120100118158165304 264380
9chess22k 1.5 64-bit27490032428242176264 22820
10chess22k 1.4 64-bit2674000212202638228 208
11chess22k 1.3 64-bit25370000000020208 
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
#NameElo1234567891011
1chess22k 1.12 64-bit3050 3.939.08.414.08.52.90.80.00.00.0
2chess22k 1.10 64-bit 4CPU30133.9 3.769.60.010.43.10.00.00.00.0
3chess22k 1.11 64-bit298939.03.7 30.650.320.516.08.62.50.00.0
4chess22k 1.10 64-bit29558.469.630.6 32.410.814.18.02.71.20.0
5chess22k 1.9 64-bit295014.00.050.332.4 22.027.115.47.21.70.0
6chess22k 1.8 64-bit29308.510.420.510.822.0 36.514.63.40.00.0
7chess22k 1.7 64-bit28982.93.116.014.127.136.5 28.915.12.00.0
8chess22k 1.6 64-bit28220.80.08.68.015.414.628.9 29.63.70.0
9chess22k 1.5 64-bit27490.00.02.52.77.23.415.129.6 20.01.8
10chess22k 1.4 64-bit26740.00.00.01.21.70.02.03.720.0 16.8
11chess22k 1.3 64-bit25370.00.00.00.00.00.00.00.01.816.8 
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 119 common opponents

Custom engine selection
NameElochess22k
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 4CPU3192 20%
8/40
 20%
8.5/42
       
Komodo 12.1.1 MCTS 64-bit 4CPU3181 29%
11.5/40
 17%
7/42
       
Xiphos 0.3 64-bit 4CPU3178 26%
10.5/40
 19%
7.5/40
       
Laser 1.6 64-bit313029%
10/34
 21%
3/14
        
Roc 0.7 64-bit311550%
6/12
 39%
5.5/14
 25%
3/12
      
Chiron 4 64-bit311446%
15.5/34
 29%
4/14
38%
3/8
33%
4/12
      
Senpai 2.0 64-bit 4CPU3108 45%
18/40
 28%
11/40
       
Strelka 5.5 64-bit3103 32%
13/40
 24%
9.5/40
 18%
6/34
     
NirvanaChess 2.4 64-bit310146%
16.5/36
 46%
6.5/14
25%
2/8
42%
5/12
      
Equinox 3.20 64-bit309650%
6/12
 39%
5.5/14
31%
2.5/8
29%
3.5/12
      
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-bit308935%
13/37
 47%
8.5/18
        
Pedone 1.7 64-bit 4CPU3086 41%
16.5/40
 33%
14/42
       
Hannibal 1.7 64-bit3080  29%
4/14
38%
3/8
42%
5/12
      
Texel 1.07 64-bit307549%
20/41
 50%
2/4
        
Vajolet2 2.6 64-bit306047%
18/38
 44%
8/18
        
Wasp 3.0 64-bit 4CPU3060 39%
15.5/40
 32%
13/40
       
Pedone 1.8 64-bit305955%
23/42
 39%
7/18
        
Protector 1.9.0 64-bit3059  46%
6.5/14
12%
1/8
38%
4.5/12
      
NameElochess22k
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
ChessBrainVB 3.70304447%
7/15
 50%
7/14
        
Arasan 21.0 64-bit3041  33%
6/18
 35%
10.5/30
      
Gull 3.1 64-bit3038   19%
1.5/8
25%
3/12
 25%
4/16
    
Arasan 20.4.1 64-bit3036     33%
10.5/32
19%
3.5/18
    
Senpai 2.0 64-bit303651%
19/37
 88%
3.5/4
        
SmarThink 1.98 64-bit302754%
18.5/34
54%
21.5/40
36%
6.5/18
  37%
12.5/34
21%
3/14
    
ChessBrainVB 3.683025  50%
9/18
38%
3/8
36%
5/14
      
Arasan 20.5 64-bit3024    38%
4.5/12
42%
5.5/13
     
Crafty 25.2 64-bit 4CPU3013 54%
21.5/40
 51%
21.5/42
       
Pedone 1.7 64-bit3013     38%
13/34
36%
5/14
    
Cheng 4.39 64-bit 4CPU3009 41%
16.5/40
 33%
14/42
       
Ethereal 9.30 64-bit3004    54%
6.5/12
50%
1/2
30%
3/10
    
Vajolet2 2.5 64-bit3001    50%
6/12
36%
13/36
46%
6/13
    
Hakkapeliitta TCEC v2 64-bit299860%
18/30
 44%
8/18
 31%
5/16
      
Defenchess (SCTR) 1.1f 64-bit299760%
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-bit2995  46%
6.5/14
31%
2.5/8
46%
5.5/12
 22%
3.5/16
    
Rybka 3 32-bit2994  57%
8/14
44%
3.5/8
       
Stockfish 1.8 32-bit298771%
8.5/12
 46%
6.5/14
        
Rodent III 0.275 64-bit298562%
18.5/30
 47%
7.5/16
45%
19/42
       
Xiphos 0.1 64-bit2985     25%
0.5/2
27%
8/30
    
NameElochess22k
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
Wasp 3.0 64-bit2984  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-bit297750%
16/32
 60%
20.5/34
        
Stockfish 1.7.1 32-bit2977   44%
3.5/8
58%
7/12
      
EXchess 7.97b 64-bit 4CPU2970 54%
21.5/40
 63%
26.5/42
       
Ethereal 9.00 64-bit2967     46%
15.5/34
50%
2/4
    
Hiarcs 142961  62%
2.5/4
42%
5/12
 50%
1/2
100%
2/2
    
Hakkapeliitta 3.0 64-bit2954     49%
17.5/36
25%
0.5/2
    
Wasp 2.6 64-bit2946    62%
2.5/4
57%
20.5/36
42%
7.5/18
    
Gaviota 1.0 64-bit 4CPU2942 61%
24.5/40
 48%
20/42
       
Deep Sjeng c't 20102941  75%
3/4
  50%
1/2
0%
0/2
    
Crafty 25.2 64-bit293074%
25/34
 42%
7.5/18
50%
2/4
38%
1.5/4
59%
19/32
25%
0.5/2
    
Naum 4 32-bit293070%
7/10
 61%
8.5/14
38%
3/8
46%
5.5/12
      
Amoeba 2.8 64-bit2926  62%
2.5/4
62%
2.5/4
38%
1.5/4
50%
1/2
     
Pirarucu 2.6.1 64-bit292558%
7/12
 63%
16.5/26
        
Bobcat 8.0 64-bit2923  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-bit2920  61%
11/18
40%
8/20
58%
7/12
75%
1.5/2
25%
0.5/2
    
Deep Junior Yokohama 64-bit2919  62%
2.5/4
88%
7/8
38%
4.5/12
 25%
0.5/2
    
Dirty CUCUMBER 64-bit291671%
24/34
   42%
5/12
      
DisasterArea 1.65 64-bit 4CPU2913 58%
23/40
 46%
19.5/42
       
NameElochess22k
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
Deuterium 2018.1.35.514 64-bit2912  68%
9.5/14
75%
3/4
56%
23.5/42
      
Amoeba 2.6 64-bit2911   56%
4.5/8
   50%
2/4
   
Demolito 2018-03-01 64-bit2909   50%
2/4
12%
0.5/4
50%
1/2
33%
6/18
    
Amoeba 2.7 64-bit2905     64%
21/33
44%
7/16
    
Quazar 0.4 64-bit2905  61%
8.5/14
  50%
1/2
     
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-bit2899  57%
8/14
67%
8/12
66%
10.5/16
 66%
10.5/16
    
EXchess 7.97b 64-bit2892  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-bit2889      55%
11/20
25%
1/4
38%
3/8
  
Scorpio 2.8 64-bit2884  57%
8/14
 62%
2.5/4
68%
24.5/36
75%
3/4
    
Fruit Reloaded 3.2.1 64-bit 4CPU2880 70%
28/40
 71%
30/42
       
Quazar 0.4 32-bit2878      53%
8.5/16
70%
7/10
   
Thinker 5.4d Inert 64-bit2864  82%
11.5/14
     50%
1/2
  
Gaviota 1.0 64-bit2859     62%
18.5/30
 35%
3.5/10
50%
1/2
  
Dirty 30Apr2017 64-bit2855  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-bit2849   69%
5.5/8
71%
8.5/12
      
Defenchess (SCTR) 1.0 64-bit2845       20%
2/10
40%
4/10
  
DisasterArea 1.65 64-bit2845    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
  
NameElochess22k
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
BugChess2 1.9 64-bit 4CPU2838 78%
31/40
 76%
32/42
       
The Baron 3.41 64-bit2836   44%
3.5/8
62%
7.5/12
 50%
8/16
46%
6.5/14
50%
5/10
  
Fruit Reloaded 3.2.1 64-bit2832   75%
3/4
88%
3.5/4
62%
18.5/30
50%
2/4
40%
4/10
   
Scorpio 2.7.8 64-bit2829       46%
6.5/14
25%
2.5/10
  
Murka 3 64-bit2824       50%
5/10
54%
7.5/14
  
Tucano 7.00 64-bit2823   69%
5.5/8
75%
9/12
 72%
11.5/16
  30%
3/10
 
Zurichess Neuchatel 64-bit2820    50%
2/4
   38%
4.5/12
  
Ethereal 8.37 64-bit2815       41%
6.5/16
 42%
2.5/6
 
GNU Chess 5.60 64-bit2810      62%
10/16
60%
6/10
   
The Baron 3.42 64-bit2795     57%
17/30
88%
3.5/4
    
Rhetoric 1.4.3 64-bit2794      75%
12/16
75%
7.5/10
58%
3.5/6
  
Octochess r5506 64-bit2781      59%
9.5/16
60%
6/10
58%
3.5/6
  
Pawny 1.2 64-bit2776       61%
8.5/14
75%
1.5/2
  
RuyDos 1.0.27 64-bit2762      47%
7.5/16
60%
6/10
50%
5/10
  
Ethereal 8.28 64-bit2745        62%
2.5/4
40%
4/10
 
Carballo 1.7 64-bit2738       55%
5.5/10
38%
1.5/4
  
Shield 2.1 64-bit2727   100%
1/1
     65%
6.5/10
 
Nebula 2.0 64-bit 4CPU2725 76%
30.5/40
 82%
34.5/42
       
Tucano 6.00 64-bit2723        43%
6/14
50%
5/10
 
RuyDos 1.0.22 64-bit2720        55%
5.5/10
38%
4.5/12
 
NameElochess22k
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
Marvin 2.2.0 64-bit2718       85%
8.5/10
 50%
5/10
 
Cheese 1.9 64-bit2703        57%
8/14
40%
4/10
 
Ethereal 8.19 64-bit2684        65%
6.5/10
25%
3/12
15%
1.5/10
WyldChess 1.51 64-bit2682        61%
8.5/14
50%
5/10
 
Djinn 1.021 64-bit2667        50%
5/10
50%
1/2
 
Floyd 0.9 64-bit2657        55%
5.5/10
75%
4.5/6
 
DanaSah 7.32639         50%
3.5/7
44%
4/9
Rodin 8.02627        85%
8.5/10
59%
9.5/16
 
Phalanx XXV2618        85%
8.5/10
56%
9/16
 
Gogobello 1.2 64-bit2595         58%
7/12
50%
7/14
GreKo 2016 64-bit2591        75%
3/4
50%
1/2
 
K2 0.872582         54%
7.5/14
50%
5/10
Marvin 2.1.0 64-bit2580         83%
5/6
75%
7.5/10
Ghost 3 64-bit2548         75%
7.5/10
35%
3.5/10
Fridolin 2.00 64-bit2530         85%
8.5/10
60%
6/10
nanoSzachy 4.1 64-bit2528         75%
3/4
45%
4.5/10
Shield 1.3.1 64-bit2509         70%
7/10
55%
5.5/10
Pepito 1.59 64-bit2491         75%
7.5/10
30%
3/10
MadChess 2.1 64-bit2475         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%

Alter engine selection



Alter output selection

Rating list
Testing profile
  (Step: , Numbers: )

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
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on July 11, 2019