CCRL 40/4
Downloads and Statistics
December 14, 2019
Testing summary:
Total: 2'147'837 games
played by 2'515 programs
29208 CPU days (X2 4600+)

White wins: 831'895 (38.7%)
Black wins: 671'656 (31.3%)
Draws: 644'286 (30.0%)
White score: 53.7%

Custom engine selection

Comparing 11 engines!
11 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 December 14, 2019 with Bayeselo based on 2'147'837 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+
1Amoeba 3.0 64-bit 4CPU3051+18−1851.1%−4.443.5%941 
100.0%
 Amoeba 3.0 64-bit2975+15−1552.3%−18.234.9%1560
98.8%
 Amoeba 2.8 64-bit2952+13−1348.7%+9.636.9%1984
92.5%
 Amoeba 2.7 64-bit2938+14−1446.3%+25.937.6%1741
99.5%
 Amoeba 2.6 64-bit2913+14−1441.1%+65.136.3%1750
100.0%
 Amoeba 2.5 64-bit2865+19−1949.7%+0.837.7%925
100.0%
 Amoeba 2.3 64-bit2784+19−1949.0%+7.234.7%904
98.8%
 Amoeba 2.0 64-bit2755+16−1644.3%+38.734.0%1329
75.0%
 Amoeba 2.1 64-bit2748+14−1435.2%+118.625.9%2127
100.0%
 Amoeba 1.3 64-bit2702+21−2148.0%+11.335.4%762
100.0%
 Amoeba 1.0 64-bit2644+18−1851.6%−10.531.4%990
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Amoeba 3.0 64-bit 4CPU3051           
2Amoeba 3.0 64-bit2975           
3Amoeba 2.8 64-bit2952           
4Amoeba 2.7 64-bit2938           
5Amoeba 2.6 64-bit2913           
6Amoeba 2.5 64-bit2865           
7Amoeba 2.3 64-bit2784           
8Amoeba 2.0 64-bit2755           
9Amoeba 2.1 64-bit2748           
10Amoeba 1.3 64-bit2702           
11Amoeba 1.0 64-bit2644           
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
1Amoeba 3.0 64-bit 4CPU3051 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Amoeba 3.0 64-bit29750.0 98.8100.0100.0100.0100.0100.0100.0100.0100.0
3Amoeba 2.8 64-bit29520.01.2 92.5100.0100.0100.0100.0100.0100.0100.0
4Amoeba 2.7 64-bit29380.00.07.5 99.5100.0100.0100.0100.0100.0100.0
5Amoeba 2.6 64-bit29130.00.00.00.5 100.0100.0100.0100.0100.0100.0
6Amoeba 2.5 64-bit28650.00.00.00.00.0 100.0100.0100.0100.0100.0
7Amoeba 2.3 64-bit27840.00.00.00.00.00.0 98.899.9100.0100.0
8Amoeba 2.0 64-bit27550.00.00.00.00.00.01.2 75.0100.0100.0
9Amoeba 2.1 64-bit27480.00.00.00.00.00.00.125.0 100.0100.0
10Amoeba 1.3 64-bit27020.00.00.00.00.00.00.00.00.0 100.0
11Amoeba 1.0 64-bit26440.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1Amoeba 3.0 64-bit 4CPU3051 3113013771866538321700
2Amoeba 3.0 64-bit2975311 5064443262969721328530
3Amoeba 2.8 64-bit2952301506 1015515438231544923024
4Amoeba 2.7 64-bit29383774441015 12335327113965500
5Amoeba 2.6 64-bit29131863265151233 128927185154766
6Amoeba 2.5 64-bit2865652964385321289 53225977000
7Amoeba 2.3 64-bit27843972371271532 100010984693
8Amoeba 2.0 64-bit275583213154139852591000 17608270
9Amoeba 2.1 64-bit2748217285492655154777010981760 959194
10Amoeba 1.3 64-bit27020330060469827959 698
11Amoeba 1.0 64-bit2644002406030194698 
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
1Amoeba 3.0 64-bit 4CPU3051 12.410.314.16.93.50.23.77.10.00.0
2Amoeba 3.0 64-bit297512.4 14.313.59.811.93.97.47.70.10.0
3Amoeba 2.8 64-bit295210.314.3 27.213.815.10.84.612.01.10.8
4Amoeba 2.7 64-bit293814.113.527.2 35.320.02.74.516.90.00.0
5Amoeba 2.6 64-bit29136.99.813.835.3 48.210.22.839.90.20.2
6Amoeba 2.5 64-bit28653.511.915.120.048.2 29.111.525.20.00.0
7Amoeba 2.3 64-bit27840.23.90.82.710.229.1 44.836.228.20.2
8Amoeba 2.0 64-bit27553.77.44.64.52.811.544.8 50.939.60.0
9Amoeba 2.1 64-bit27487.17.712.016.939.925.236.250.9 33.26.2
10Amoeba 1.3 64-bit27020.00.11.10.00.20.028.239.633.2 39.8
11Amoeba 1.0 64-bit26440.00.00.80.00.20.00.20.06.239.8 
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 112 common opponents

Custom engine selection
NameEloAmoeba
3.0
64-bit
4CPU
Amoeba
3.0
64-bit
Amoeba
2.8
64-bit
Amoeba
2.7
64-bit
Amoeba
2.6
64-bit
Amoeba
2.5
64-bit
Amoeba
2.3
64-bit
Amoeba
2.0
64-bit
Amoeba
2.1
64-bit
Amoeba
1.3
64-bit
Amoeba
1.0
64-bit
Fizbo 2 64-bit3248 0%
0/1
0%
0/1
        
Fizbo 1.9 64-bit3236    19%
6/31
   2%
0.5/24
  
Gull 3 64-bit3192    14%
4.5/32
   10%
2.5/24
  
Booot 6.2 64-bit3168  25%
0.5/2
 12%
4/32
      
Chiron 4 64-bit3164  50%
0.5/1
 20%
6.5/32
   0%
0/23
  
Protector 1.9.0 64-bit 4CPU312825%
0.5/2
  16%
6.5/40
12%
5/40
      
Texel 1.07 64-bit3112 29%
11.5/40
50%
1/2
 11%
3.5/31
      
Hannibal 1.7 64-bit3110    17%
5.5/32
   6%
1.5/24
  
Rybka 4.1 64-bit3108  0%
0/1
 25%
8/32
   4%
1/24
  
BlackMamba 2.0 64-bit3091 34%
13.5/40
 26%
7.5/29
       
Protector 1.9.0 64-bit3085    26%
8/31
   9%
2.5/28
  
iCE 3.0 64-bit308145%
38.5/86
 20%
6.5/33
48%
12/25
24%
8/33
   5%
1.5/28
  
Nemorino 3.0 64-bit3041   31%
9.5/31
38%
12/32
      
SmarThink 1.98 64-bit304049%
16.5/34
46%
18.5/40
0%
0/1
27%
8/30
       
Laser 1.4 64-bit3037   31%
9.5/31
27%
8.5/32
      
Naum 4.6 64-bit3032   27%
8/30
22%
7/32
      
Pedone 1.6 64-bit3032   34%
11/32
33%
10.5/32
      
SmarThink 1.97 64-bit3031   32%
28/87
31%
10/32
 0%
0/1
    
Pedone 1.5 64-bit3021      0%
0/1
 11%
3/28
  
Hakkapeliitta TCEC v2 64-bit3019  31%
12.5/40
38%
11.5/30
       
NameEloAmoeba
3.0
64-bit
4CPU
Amoeba
3.0
64-bit
Amoeba
2.8
64-bit
Amoeba
2.7
64-bit
Amoeba
2.6
64-bit
Amoeba
2.5
64-bit
Amoeba
2.3
64-bit
Amoeba
2.0
64-bit
Amoeba
2.1
64-bit
Amoeba
1.3
64-bit
Amoeba
1.0
64-bit
Demolito 2018-10-29 64-bit3016 43%
17.5/41
44%
14/32
        
Senpai 1.0 64-bit3007    39%
25/64
   12%
3.5/28
  
Deuterium 2019.1.36.50 64-bit299960%
20.5/34
42%
17/40
41%
13/32
        
The Baron 3.44 64-bit 4CPU299866%
23/35
 55%
18/33
        
Tucano 7.00 64-bit 4CPU299559%
20.5/35
  47%
15/32
       
Hiarcs 142987   25%
8/32
41%
13/32
      
Pirarucu 2.9.5 64-bit2985 45%
18/40
50%
36/72
        
Hakkapeliitta 3.0 64-bit2984   38%
12/32
45%
29/64
   21%
6/28
  
Vajolet2 2.3 64-bit2983    41%
13/32
 100%
1/1
    
Wasp 2.6 64-bit2978  59%
19.5/33
38%
21.5/56
       
ChessBrainVB 3.662977  48%
13.5/28
49%
19.5/40
       
chess22k 1.8 64-bit2959  39%
7/18
55%
40.5/73
       
Bobcat 8.0 64-bit2958  42%
8/19
56%
18/32
0%
0/1
  23%
7.5/32
20%
5.5/28
  
Demolito 2018-03-01 64-bit2957  52%
38.5/74
51%
42/82
       
Laser 1.3 64-bit2950      0%
0/1
16%
5.5/34
30%
8.5/28
  
Cheng 4.39 64-bit294552%
26/50
46%
18.5/40
 43%
24.5/57
44%
13.5/31
 50%
0.5/1
 27%
6.5/24
  
Crafty 25.2 64-bit293356%
18.5/33
39%
15.5/40
39%
12.5/32
44%
11/25
 50%
16/32
 23%
11.5/50
23%
6.5/28
  
Spark 1.0 64-bit2927 50%
0.5/1
100%
1/1
47%
25.5/54
50%
16/32
28%
9/32
50%
0.5/1
 17%
6.5/39
  
Wasp 1.25 64-bit2926      100%
1/1
 21%
6/29
  
Atlas 3.91 64-bit2925  47%
15.5/33
48%
15.5/32
       
NameEloAmoeba
3.0
64-bit
4CPU
Amoeba
3.0
64-bit
Amoeba
2.8
64-bit
Amoeba
2.7
64-bit
Amoeba
2.6
64-bit
Amoeba
2.5
64-bit
Amoeba
2.3
64-bit
Amoeba
2.0
64-bit
Amoeba
2.1
64-bit
Amoeba
1.3
64-bit
Amoeba
1.0
64-bit
Deep Sjeng c't 20102925  0%
0/2
45%
10/22
52%
14/27
   29%
11.5/39
  
Dirty CUCUMBER 64-bit2925 59%
23.5/40
53%
17.5/33
        
Spike 1.4 Leiden2921  50%
1/2
51%
27/53
35%
4.5/13
45%
14.5/32
  32%
13/40
  
DiscoCheck 5.2.1 64-bit2914 100%
1/1
57%
19.5/34
 61%
19.5/32
   31%
9/29
  
EXchess 7.97b 64-bit2914  56%
22.5/40
47%
14/30
59%
16.5/28
39%
12.5/32
     
Rodent III 0.232 64-bit2914  67%
21.5/32
43%
13/30
       
Rodent III 0.172 64-bit2908    58%
11.5/20
55%
17.5/32
     
ChessBrainVB 3.502906    44%
12/27
42%
13.5/32
     
Scorpio 2.8 64-bit2902 72%
29/40
58%
23/40
63%
17/27
       
Quazar 0.4 64-bit2901 50%
0.5/1
71%
28.5/40
 57%
15.5/27
45%
14.5/32
0%
0/1
 22%
9/40
  
Zurichess Neuchatel 64-bit2900  60%
24.5/41
 56%
15/27
47%
13.5/29
     
Deep Junior Yokohama 64-bit2898    52%
16.5/32
45%
14/31
     
Daydreamer 2.0.0-pre2 64-bit2894  56%
18/32
53%
16/30
       
Demolito 2017-06-18 64-bit2885     42%
13.5/32
18%
5.5/30
    
Thinker 5.4d Inert 64-bit2885 58%
22.5/39
  65%
17/26
59%
19/32
     
Deuterium 14.3.34.130 64-bit2883  61%
24.5/40
 50%
14.5/29
42%
13.5/32
  36%
10/28
  
Murka 3 64-bit2882    55%
32.5/59
36%
11.5/32
  33%
8/24
  
Atlas 3.80 64-bit2875    58%
37/64
30%
9.5/32
  29%
8/28
  
Toga II 3.02875    58%
18.5/32
   35%
9/26
  
Gaviota 1.0 64-bit2872 64%
25.5/40
 65%
19.5/30
55%
35.5/64
56%
18/32
  36%
10/28
  
NameEloAmoeba
3.0
64-bit
4CPU
Amoeba
3.0
64-bit
Amoeba
2.8
64-bit
Amoeba
2.7
64-bit
Amoeba
2.6
64-bit
Amoeba
2.5
64-bit
Amoeba
2.3
64-bit
Amoeba
2.0
64-bit
Amoeba
2.1
64-bit
Amoeba
1.3
64-bit
Amoeba
1.0
64-bit
Tucano 7.00 64-bit2872  0%
0/1
62%
18.5/30
       
MinkoChess 1.3 64-bit2870   60%
18/30
40%
12.5/31
73%
23.5/32
     
DisasterArea 1.65 64-bit2866 100%
1/1
73%
25.5/35
75%
18/24
63%
17/27
36%
11.5/32
  32%
9/28
  
Dirty 30Apr2017 64-bit2865  50%
0.5/1
  53%
17/32
     
Nemo 1.0.1 64-bit2856  100%
1/1
 67%
18/27
55%
17.5/32
37%
11.5/31
32%
15.5/49
34%
13.5/40
  
Defenchess 1.0 64-bit2844    59%
16/27
44%
14/32
     
Onno 1.2.70 64-bit2844    58%
18.5/32
61%
19.5/32
39%
12.5/32
    
Zappa Mexico II 64-bit2844  75%
1.5/2
57%
17/30
62%
20/32
56%
18/32
44%
14/32
    
Zurichess Luzern 64-bit2844     52%
16.5/32
44%
14/32
    
Tornado 8.0 64-bit2827    47%
15/32
55%
17.5/32
45%
14.5/32
 28%
9/32
  
Octochess r5506 64-bit2824      40%
20/50
 0%
0/1
  
Scorpio 2.7.6 64-bit2816      46%
23/50
40%
20/50
48%
19/40
  
Tornado 7.0 64-bit2809       39%
32/82
42%
17/40
  
Rhetoric 1.4.3 64-bit2805 79%
31.5/40
  100%
1/1
64%
20.5/32
40%
20/50
40%
33/82
29%
8/28
  
ChessBrainVB 3.202804     47%
14.5/31
58%
18.5/32
    
Ktulu 92781      52%
25.5/49
 100%
1/1
  
Fruit 2.3.12780     62%
15.5/25
  0%
0/1
  
Octochess r5190 64-bit2778       41%
33.5/82
40%
24/60
38%
12/32
 
Zurichess Jura 64-bit2777      55%
17.5/32
 50%
16/32
  
The Baron 3.29 64-bit2772      53%
26.5/50
51%
41.5/82
49%
31.5/64
39%
12.5/32
 
NameEloAmoeba
3.0
64-bit
4CPU
Amoeba
3.0
64-bit
Amoeba
2.8
64-bit
Amoeba
2.7
64-bit
Amoeba
2.6
64-bit
Amoeba
2.5
64-bit
Amoeba
2.3
64-bit
Amoeba
2.0
64-bit
Amoeba
2.1
64-bit
Amoeba
1.3
64-bit
Amoeba
1.0
64-bit
Bright 0.5c2771  50%
0.5/1
   53%
17/32
42%
13.5/32
52%
16.5/32
52%
16/31
 
ProDeo 2.22770      59%
29/49
 48%
13.5/28
  
Twisted Logic 20090922 64-bit2770      61%
19.5/32
59%
19/32
47%
15/32
36%
11.5/32
 
Frenzee 3.5.19 64-bit2769      53%
26.5/50
47%
37.5/79
48%
19.5/41
34%
11/32
 
Pawny 1.2 64-bit2768  100%
1/1
 50%
0.5/1
 42%
34.5/82
54%
34.5/64
56%
33.5/60
41%
13/32
 
Twisted Logic 20100131x 64-bit2766 0%
0/1
0%
0/1
     100%
1/1
  
Jonny 4.002762  100%
1/1
   55%
27.5/50
52%
106.5/206
36%
14.5/40
44%
14/32
 
Bison 9.11 64-bit2761  100%
1/1
    54%
27/50
36%
14.5/40
  
BugChess2 1.9 64-bit2759        55%
22.5/41
45%
14.5/32
 
GnuCheese 1.00 64-bit2750    75%
24/32
   40%
16/40
  
Tucano 6.00 64-bit2750       44%
36/82
53%
19/36
45%
14/31
 
ChessBrainVB 3.022741       39%
12.5/32
52%
16.5/32
  
Chronos 1.9.9 64-bit2739  100%
2/2
    50%
15.5/31
44%
16/36
41%
13/32
 
Carballo 1.7 64-bit2718      55%
18/33
 44%
14/32
  
Chess Tiger 2007.12713 100%
1/1
     59%
19/32
71%
25.5/36
62%
20/32
 
Cheese 1.8 64-bit2689        58%
21/36
47%
15/32
45%
14.5/32
Delfi 5.42682         61%
19.5/32
50%
16/32
RedQueen 1.1.97 64-bit2680         50%
16/32
36%
11.5/32
Djinn 1.021 64-bit2676  100%
1/1
     74%
26/35
45%
12.5/28
42%
13.5/32
Daydreamer 1.75 64-bit2672         52%
16.5/32
42%
13.5/32
NameEloAmoeba
3.0
64-bit
4CPU
Amoeba
3.0
64-bit
Amoeba
2.8
64-bit
Amoeba
2.7
64-bit
Amoeba
2.6
64-bit
Amoeba
2.5
64-bit
Amoeba
2.3
64-bit
Amoeba
2.0
64-bit
Amoeba
2.1
64-bit
Amoeba
1.3
64-bit
Amoeba
1.0
64-bit
Alaric 7072663  50%
0.5/1
 100%
1/1
    56%
18/32
42%
13/31
Nebula 2.0 64-bit2654         48%
15.5/32
40%
12.5/31
Phalanx XXV2653         55%
17.5/32
48%
15.5/32
Donna 4.0 64-bit2650  100%
1/1
      62%
20/32
59%
19/32
Colossus 2008b2641  100%
2/2
      48%
15.5/32
55%
17.5/32
ChessBrainVB 2.052640         58%
18.5/32
48%
15.5/32
Sjakk 2.2 64-bit2638        50%
0.5/1
 48%
15.5/32
Rodin 8.02636  100%
1/1
       64%
20.5/32
E.T. Chess 13.01.082634      100%
1/1
   56%
18/32
Zarkov 6.552617    100%
1/1
     64%
20.5/32
Sloppy 0.2.2 64-bit2616  100%
1/1
       66%
21/32
NoraGrace 2.0 64-bit2610  100%
1/1
     75%
18/24
 50%
16/32
Score color legend:
(Only pairs with at least 30 games)
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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 December 14, 2019