CCRL 40/4
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 2'127'795 games
played by 2'486 programs
28766 CPU days (X2 4600+)

White wins: 825'412 (38.8%)
Black wins: 667'151 (31.4%)
Draws: 635'232 (29.9%)
White score: 53.7%

Custom engine selection

Comparing 14 engines!
14 selected engines played 0 games with each other

CCRL 40/4 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on November 8, 2019 with Bayeselo based on 2'127'795 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1chess22k 1.11 64-bit 4CPU3081+21−2143.7%+38.149.8%687 
50.2%
 chess22k 1.12 64-bit3081+16−1650.1%−1.542.3%1283
49.5%
 chess22k 1.13 64-bit3081+20−2049.6%+2.744.0%775
100.0%
 chess22k 1.11 64-bit3031+16−1650.4%−4.142.3%1202
99.8%
 chess22k 1.10 64-bit2995+18−1848.8%+6.840.5%1011
98.5%
 chess22k 1.9 64-bit2969+16−1647.4%+15.339.8%1352
80.7%
 chess22k 1.8 64-bit2959+17−1753.9%−28.941.8%1104
100.0%
 chess22k 1.7 64-bit2898+16−1651.7%−11.440.3%1207
100.0%
 chess22k 1.6 64-bit2831+18−1846.7%+21.538.7%1025
100.0%
 chess22k 1.5 64-bit2739+17−1747.2%+17.633.2%1201
100.0%
 chess22k 1.4 64-bit2689+16−1655.3%−40.829.8%1338
100.0%
 chess22k 1.3 64-bit2516+28−2861.3%−84.221.1%479
100.0%
 chess22k 1.2 64-bit2410+17−1854.0%−29.623.0%1192
100.0%
 chess22k 1.1 64-bit2283+22−2244.2%+43.718.5%767
 

Results matrix

Custom engine selection
#NameElo1234567891011121314
1chess22k 1.11 64-bit 4CPU3081              
2chess22k 1.12 64-bit3081              
3chess22k 1.13 64-bit3081              
4chess22k 1.11 64-bit3031              
5chess22k 1.10 64-bit2995              
6chess22k 1.9 64-bit2969              
7chess22k 1.8 64-bit2959              
8chess22k 1.7 64-bit2898              
9chess22k 1.6 64-bit2831              
10chess22k 1.5 64-bit2739              
11chess22k 1.4 64-bit2689              
12chess22k 1.3 64-bit2516              
13chess22k 1.2 64-bit2410              
14chess22k 1.1 64-bit2283              
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
#NameElo1234567891011121314
1chess22k 1.11 64-bit 4CPU3081 50.249.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2chess22k 1.12 64-bit308149.8 49.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3chess22k 1.13 64-bit308150.250.5 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4chess22k 1.11 64-bit30310.00.00.0 99.8100.0100.0100.0100.0100.0100.0100.0100.0100.0
5chess22k 1.10 64-bit29950.00.00.00.2 98.599.8100.0100.0100.0100.0100.0100.0100.0
6chess22k 1.9 64-bit29690.00.00.00.01.5 80.7100.0100.0100.0100.0100.0100.0100.0
7chess22k 1.8 64-bit29590.00.00.00.00.219.3 100.0100.0100.0100.0100.0100.0100.0
8chess22k 1.7 64-bit28980.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
9chess22k 1.6 64-bit28310.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0
10chess22k 1.5 64-bit27390.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0
11chess22k 1.4 64-bit26890.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0
12chess22k 1.3 64-bit25160.00.00.00.00.00.00.00.00.00.00.0 100.0100.0
13chess22k 1.2 64-bit24100.00.00.00.00.00.00.00.00.00.00.00.0 100.0
14chess22k 1.1 64-bit22830.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011121314
1chess22k 1.11 64-bit 4CPU3081 17689176275000000000
2chess22k 1.12 64-bit3081176 85413597543302411287496000
3chess22k 1.13 64-bit308189854 5082250840000000
4chess22k 1.11 64-bit30311761359508 11739718351301371212000
5chess22k 1.10 64-bit29952757542251173 115091345922903300
6chess22k 1.9 64-bit2969033009711150 12153662802424333
7chess22k 1.8 64-bit29590241848359131215 94646230063
8chess22k 1.7 64-bit289801280130459366946 12814700000
9chess22k 1.6 64-bit283107401372292804621281 897416000
10chess22k 1.5 64-bit2739090120243470897 1296000
11chess22k 1.4 64-bit268906012324004161296 3002040
12chess22k 1.3 64-bit25160000330000300 7390
13chess22k 1.2 64-bit24100000036000204739 64
14chess22k 1.1 64-bit228300000330000064 
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
#NameElo1234567891011121314
1chess22k 1.11 64-bit 4CPU3081 8.96.19.316.20.00.00.00.00.00.00.00.00.0
2chess22k 1.12 64-bit30818.9 41.554.732.912.510.15.13.20.40.20.00.00.0
3chess22k 1.13 64-bit30816.141.5 25.712.60.04.50.00.00.00.00.00.00.0
4chess22k 1.11 64-bit30319.354.725.7 53.038.036.25.46.20.50.50.00.00.0
5chess22k 1.10 64-bit299516.232.912.653.0 48.743.220.711.20.00.10.20.00.0
6chess22k 1.9 64-bit29690.012.50.038.048.7 49.514.311.80.90.90.20.10.1
7chess22k 1.8 64-bit29590.010.14.536.243.249.5 40.921.70.10.00.00.30.2
8chess22k 1.7 64-bit28980.05.10.05.420.714.340.9 57.419.50.00.00.00.0
9chess22k 1.6 64-bit28310.03.20.06.211.211.821.757.4 40.317.60.00.00.0
10chess22k 1.5 64-bit27390.00.40.00.50.00.90.119.540.3 51.00.00.00.0
11chess22k 1.4 64-bit26890.00.20.00.50.10.90.00.017.651.0 16.58.10.0
12chess22k 1.3 64-bit25160.00.00.00.00.20.20.00.00.00.016.5 44.20.0
13chess22k 1.2 64-bit24100.00.00.00.00.00.10.30.00.00.08.144.2 3.3
14chess22k 1.1 64-bit22830.00.00.00.00.00.10.20.00.00.00.00.03.3 
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
1.11
64-bit
4CPU
chess22k
1.12
64-bit
chess22k
1.13
64-bit
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
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Fire 6.1 64-bit3289     0%
0/1
25%
0.5/2
       
Andscacs 0.94 64-bit3230 28%
9/32
  0%
0/2
         
Schooner 2.0.34 64-bit3193 34%
10.5/31
 33%
10.5/32
          
Chiron 4 64-bit3165 36%
12/33
   100%
1/1
        
Pedone 1.9 64-bit3135 44%
22/50
42%
13.5/32
           
NirvanaChess 2.4 64-bit3131 45%
14.5/32
42%
13.5/32
36%
11.5/32
          
Vajolet2 2.7 64-bit3129 41%
13/32
50%
16/32
           
RubiChess 1.5 64-bit3127 45%
14.5/32
33%
10.5/32
           
Arasan 21.1 64-bit3117 34%
11/32
 38%
15/40
          
Nemorino 5.00 64-bit3117 45%
14.5/32
42%
13.5/32
28%
9/32
          
Texel 1.07 64-bit3113 45%
14.5/32
52%
16.5/32
33%
10.5/32
0%
0/1
         
Hannibal 1.7 64-bit3111 45%
15/33
35%
11/31
38%
12/32
  100%
1/1
       
Rybka 4.1 64-bit3108 48%
15.5/32
45%
14.5/32
34%
11/32
          
Pedone 1.8 64-bit3107 52%
16.5/32
 33%
11/33
27%
8.5/32
         
Demolito 2019-05-05 64-bit3092 44%
14/32
50%
16/32
           
Protector 1.9.0 64-bit3085 52%
16.5/32
52%
16.5/32
55%
16.5/30
35%
11/31
 38%
18.5/49
       
Senpai 2.0 64-bit3085 44%
14.5/33
47%
15/32
35%
11/31
34%
10.5/31
         
Vajolet2 2.6 64-bit3084 59%
19.5/33
 45%
14.5/32
          
iCE 3.0 64-bit308150%
28.5/57
45%
14.5/32
48%
15.5/32
48%
15.5/32
36%
29.5/81
         
Wasp 3.60 64-bit3079 50%
0.5/1
44%
14/32
           
NameElochess22k
1.11
64-bit
4CPU
chess22k
1.12
64-bit
chess22k
1.13
64-bit
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
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Nemorino 4.00 64-bit3067    44%
14/32
35%
28/81
        
Arasan 21.0 64-bit3065   47%
15/32
50%
16.5/33
         
Pedone 1.7 64-bit3053    39%
12.5/32
31%
11.5/37
        
Defenchess 1.1f 64-bit3047 61%
20/33
 42%
13.5/32
41%
13/32
36%
29.5/81
75%
1.5/2
27%
8/30
19%
6/32
     
Ethereal 9.30 64-bit3043     39%
15/38
50%
0.5/1
       
SmarThink 1.98 64-bit303856%
31/55
73%
23.5/32
 64%
20.5/32
46%
37.5/82
         
Naum 4.6 64-bit3032 52%
16.5/32
 58%
18.5/32
48%
15.5/32
36%
13.5/37
        
Wasp 3.0 64-bit3024 50%
16/32
 56%
18/32
50%
16/32
         
Hakkapeliitta TCEC v2 64-bit3021 66%
21/32
 47%
15/32
43%
35.5/82
49%
23/47
35%
17.5/50
30%
9/30
      
Pirarucu 3.0.7 64-bit3019 53%
17/32
59%
19/32
           
Demolito 2018-10-29 64-bit3017 55%
17.5/32
 45%
14.5/32
          
Rodent III 0.273 64-bit3001 50%
0.5/1
  48%
15/31
         
ChessBrainVB 3.703000 55%
17.5/32
 61%
19.5/32
          
Rodent III 0.275 64-bit2998 67%
21.5/32
 59%
19/32
          
Hiarcs 142987 72%
23/32
 62%
20/32
47%
15/32
53%
19.5/37
71%
20/28
       
Ethereal 9.00 64-bit2984      50%
8/16
38%
12/32
      
ChessBrainVB 3.662978   52%
16.5/32
48%
15.5/32
40%
2/5
41%
11/27
       
Wasp 2.6 64-bit2978     55%
20.5/37
61%
19/31
       
Bobcat 8.0 64-bit2958   66%
21/32
58%
47.5/82
49%
39/80
45%
31/69
       
Demolito 2018-03-01 64-bit2958   38%
12/32
45%
14.5/32
55%
21/38
55%
16.5/30
       
NameElochess22k
1.11
64-bit
4CPU
chess22k
1.12
64-bit
chess22k
1.13
64-bit
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
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Amoeba 2.8 64-bit2952   64%
21/33
63%
19.5/31
59%
50/85
61%
11/18
       
Deuterium 2018.1.35.514 64-bit2952   64%
20.5/32
50%
0.5/1
53%
17/32
        
Cheng 4.39 64-bit2946   56%
18/32
 46%
17.5/38
65%
15.5/24
       
Amoeba 2.7 64-bit2939      45%
32.5/73
40%
24/60
      
Crafty 25.2 64-bit2933 100%
1/1
 61%
19.5/32
60%
30/50
58%
23/40
56%
39/70
       
Spark 1.0 64-bit2927   62%
20/32
 50%
41.5/83
51%
39.5/78
 38%
12/32
     
Atlas 3.91 64-bit2925 50%
0.5/1
 55%
17.5/32
 58%
23/40
56%
30/54
       
Spike 1.4 Leiden2922 100%
1/1
  60%
30/50
55%
22/40
65%
15/23
45%
14.5/32
47%
14/30
     
Toga II 4.0 64-bit2918     65%
26/40
64%
18.5/29
       
DiscoCheck 5.2.1 64-bit2914      53%
26/49
46%
27.5/60
      
EXchess 7.97b 64-bit2914    63%
31.5/50
70%
33/47
55%
41.5/75
49%
30.5/62
      
Demolito 2017-08-26 64-bit2911    65%
32.5/50
  49%
29.5/60
36%
11.5/32
     
Rodent III 0.172 64-bit2908      38%
1.5/4
39%
12.5/32
36%
11.5/32
     
ChessBrainVB 3.502906      59%
16.5/28
57%
24.5/43
      
Quazar 0.4 64-bit2901      58%
40/69
53%
31.5/59
41%
13/32
     
Zurichess Neuchatel 64-bit2901   50%
0.5/1
 0%
0/1
59%
58/99
47%
13.5/29
48%
15.5/32
     
Deep Junior Yokohama 64-bit2900      50%
3.5/7
 53%
17/32
     
Deuterium 14.3.34.130 64-bit2883      50%
25/50
43%
13/30
33%
10.5/32
     
Murka 3 64-bit2882       55%
33/60
36%
11.5/32
     
Atlas 3.80 64-bit2875       45%
13.5/30
39%
12.5/32
35%
11/31
    
NameElochess22k
1.11
64-bit
4CPU
chess22k
1.12
64-bit
chess22k
1.13
64-bit
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
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Fruit Reloaded 3.2.1 64-bit2873       47%
15/32
41%
13/32
     
Gaviota 1.0 64-bit2873    50%
0.5/1
100%
1/1
 53%
17/32
47%
15/32
     
Tucano 7.00 64-bit2872     100%
2/2
 55%
17.5/32
37%
23/62
     
MinkoChess 1.3 64-bit2870       63%
19.5/31
 32%
10/31
    
DisasterArea 1.65 64-bit2865       62%
20/32
38%
12/32
38%
11.5/30
    
Nemo 1.0.1 64-bit2857   100%
1/1
   52%
32/62
34%
11/32
38%
12/32
    
Onno 1.2.70 64-bit2845       66%
21/32
48%
15.5/32
27%
8.5/32
    
Zappa Mexico II 64-bit2844     100%
1/1
 70%
22.5/32
48%
15/31
26%
8/31
    
Tornado 8.0 64-bit2827       61%
19.5/32
55%
17.5/32
39%
12.5/32
    
Octochess r5506 64-bit2824     100%
1/1
 64%
38/59
      
The Baron 3.41 64-bit2820       63%
19/30
48%
15.5/32
     
Rhetoric 1.4.3 64-bit2805 100%
1/1
   100%
1/1
  53%
17/32
45%
14.5/32
    
RuyDos 1.1.0 64-bit2782     50%
0.5/1
50%
1/2
       
Fruit 2.3.12781     100%
1/1
   22%
5.5/25
    
Octochess r5190 64-bit2778        56%
18/32
50%
16/32
34%
11/32
   
The Baron 3.29 64-bit2773         39%
12.5/32
33%
10.5/32
   
Bright 0.5c2772        62%
39.5/64
61%
19.5/32
58%
18.5/32
   
Twisted Logic 20090922 64-bit2771        50%
16/32
47%
14.5/31
33%
10.5/32
   
Frenzee 3.5.19 64-bit2770     50%
0.5/1
   39%
12.5/32
41%
13/32
   
Pawny 1.2 64-bit2768   100%
1/1
    58%
18.5/32
38%
12/32
42%
13.5/32
   
NameElochess22k
1.11
64-bit
4CPU
chess22k
1.12
64-bit
chess22k
1.13
64-bit
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
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Jonny 4.002763 100%
1/1
      67%
21.5/32
48%
15.5/32
38%
12/32
   
BugChess2 1.9 64-bit2759   50%
0.5/1
 0%
0/1
   55%
17.5/32
39%
12.5/32
   
RuyDos 1.0.27 64-bit2758        69%
9/13
25%
7/28
    
Tucano 6.00 64-bit2751         56%
18/32
44%
13.5/31
   
Godel 3.4.9 64-bit2742        62%
20/32
56%
18/32
39%
12.5/32
   
Chronos 1.9.9 64-bit2740     100%
1/1
   36%
11.5/32
34%
11/32
   
Cheese 1.9 64-bit2731   0%
0/1
     48%
15/31
53%
17/32
   
Carballo 1.7 64-bit2718         52%
16.5/32
44%
14/32
   
Devel 1.80902708      50%
0.5/1
  53%
17/32
    
Arminius 2017-01-01 64-bit2688         65%
20/31
39%
12.5/32
   
Delfi 5.42683     100%
1/1
   65%
20/31
44%
14/32
   
Djinn 1.021 64-bit2676     100%
2/2
    62%
20/32
   
Daydreamer 1.75 64-bit2673         47%
8.5/18
70%
22.5/32
   
RedQueen 1.1.98 64-bit2671         76%
23.5/31
45%
14.5/32
   
RuyDos 1.0.2 64-bit2669         75%
24/32
58%
17.5/30
   
Alaric 7072663 100%
1/1
       53%
17/32
61%
19.5/32
   
Gandalf 7 64-bit2663     100%
1/1
   66%
20.5/31
52%
16.5/32
   
Nebula 2.0 64-bit2654         62%
8/13
53%
17/32
   
Donna 4.0 64-bit2651   50%
0.5/1
      55%
17.5/32
   
Dorky 4.5 64-bit2505    100%
1/1
     63%
19/30
47%
14/30
  
NameElochess22k
1.11
64-bit
4CPU
chess22k
1.12
64-bit
chess22k
1.13
64-bit
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
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Green Light Chess 3.01.2.22505     50%
0.5/1
    68%
20.5/30
   
Trace 1.37a2500          82%
24.5/30
48%
14.5/30
  
Schooner 1.7.0 64-bit2464          73%
22/30
 53%
17/32
 
Abrok 5.02436          80%
24/30
58%
17.5/30
  
Shallow 2 rev8 64-bit2429          78%
23.5/30
55%
16.5/30
43%
21.5/50
 
Eeyore 1.52 64-bit2427          90%
27/30
43%
13/30
45%
14.5/32
 
Gaia 3.5 64-bit2425           72%
21.5/30
42%
13.5/32
 
Nejmet 3.072425           65%
19.5/30
52%
16.5/32
 
Quark 2.352423           62%
18.5/30
51%
24.5/48
 
Nemeton 1.512421           73%
22/30
52%
25/48
 
Hussar 0.42420           62%
18.5/30
45%
22.5/50
 
Snitch 1.6.2 32-bit2419     100%
1/1
     66%
19/29
40%
19/48
 
Dragon 4.62418           77%
23/30
41%
20.5/50
 
Typhoon 1.00-358 64-bit2382           65%
19.5/30
53%
26.5/50
 
Terra 3.42369     100%
1/1
       45%
13.5/30
The Crazy Bishop 00522364      100%
1/1
      35%
10.5/30
Tigran 2.4n 64-bit2347      100%
1/1
     58%
18/31
 
Horizon 4.42342      100%
1/1
     56%
17.5/31
 
Jumbo 0.4.17 64-bit2313            67%
21.5/32
53%
17/32
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 November 8, 2019