CCRL 40/4
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 2'140'277 games
played by 2'505 programs
29019 CPU days (X2 4600+)

White wins: 829'307 (38.7%)
Black wins: 669'765 (31.3%)
Draws: 641'205 (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 November 30, 2019 with Bayeselo based on 2'140'277 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+
1Chiron 4 64-bit 4CPU3241+10−1040.9%+65.146.0%3738 
100.0%
 Chiron 4 64-bit3164+7−741.8%+60.439.9%8512
98.2%
 Chiron 3.01 64-bit 4CPU3145+15−1540.3%+68.445.2%1476
99.2%
 Chiron 2 64-bit 4CPU3120+15−1537.8%+84.337.8%1702
97.6%
 Chiron 1.5 64-bit 4CPU3094+21−2047.8%+14.339.9%776
49.5%
 Chiron 3.01 64-bit3094+12−1244.1%+47.841.4%2452
99.9%
 Chiron 1.1a 64-bit 4CPU3063+16−1645.7%+29.039.9%1244
99.4%
 Chiron 2 64-bit3038+10−1141.5%+64.034.0%3514
100.0%
 Chiron 1.5 64-bit2989+16−1653.4%−23.437.6%1290
97.5%
 Chiron 1.1a 64-bit2966+16−1659.7%−71.332.1%1377
100.0%
 Chiron 0.8.72582+17−1848.9%+7.327.2%1155
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Chiron 4 64-bit 4CPU3241           
2Chiron 4 64-bit3164           
3Chiron 3.01 64-bit 4CPU3145           
4Chiron 2 64-bit 4CPU3120           
5Chiron 1.5 64-bit 4CPU3094           
6Chiron 3.01 64-bit3094           
7Chiron 1.1a 64-bit 4CPU3063           
8Chiron 2 64-bit3038           
9Chiron 1.5 64-bit2989           
10Chiron 1.1a 64-bit2966           
11Chiron 0.8.72582           
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
1Chiron 4 64-bit 4CPU3241 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Chiron 4 64-bit31640.0 98.2100.0100.0100.0100.0100.0100.0100.0100.0
3Chiron 3.01 64-bit 4CPU31450.01.8 99.2100.0100.0100.0100.0100.0100.0100.0
4Chiron 2 64-bit 4CPU31200.00.00.8 97.699.5100.0100.0100.0100.0100.0
5Chiron 1.5 64-bit 4CPU30940.00.00.02.4 49.599.1100.0100.0100.0100.0
6Chiron 3.01 64-bit30940.00.00.00.550.5 99.9100.0100.0100.0100.0
7Chiron 1.1a 64-bit 4CPU30630.00.00.00.00.90.1 99.4100.0100.0100.0
8Chiron 2 64-bit30380.00.00.00.00.00.00.6 100.0100.0100.0
9Chiron 1.5 64-bit29890.00.00.00.00.00.00.00.0 97.5100.0
10Chiron 1.1a 64-bit29660.00.00.00.00.00.00.00.02.5 100.0
11Chiron 0.8.725820.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1Chiron 4 64-bit 4CPU3241 080734931203310000
2Chiron 4 64-bit31640 00021930796192450
3Chiron 3.01 64-bit 4CPU31458070 70820802280000
4Chiron 2 64-bit 4CPU31203490708 70809640000
5Chiron 1.5 64-bit 4CPU30943120208708 0179808400
6Chiron 3.01 64-bit309402193000 018062631640
7Chiron 1.1a 64-bit 4CPU3063331022896417980 147188960
8Chiron 2 64-bit303807960001806147 13466830
9Chiron 1.5 64-bit2989019200842631881346 13850
10Chiron 1.1a 64-bit2966045000164966831385 0
11Chiron 0.8.725820000000000 
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
1Chiron 4 64-bit 4CPU3241 0.015.56.46.90.06.60.00.00.00.0
2Chiron 4 64-bit31640.0 0.00.00.020.00.06.62.00.50.0
3Chiron 3.01 64-bit 4CPU314515.50.0 22.39.20.08.40.00.00.00.0
4Chiron 2 64-bit 4CPU31206.40.022.3 28.60.032.70.00.00.00.0
5Chiron 1.5 64-bit 4CPU30946.90.09.228.6 0.089.00.04.10.00.0
6Chiron 3.01 64-bit30940.020.00.00.00.0 0.030.37.04.30.0
7Chiron 1.1a 64-bit 4CPU30636.60.08.432.789.00.0 3.17.43.70.0
8Chiron 2 64-bit30380.06.60.00.00.030.33.1 28.014.00.0
9Chiron 1.5 64-bit29890.02.00.00.04.17.07.428.0 51.90.0
10Chiron 1.1a 64-bit29660.00.50.00.00.04.33.714.051.9 0.0
11Chiron 0.8.725820.00.00.00.00.00.00.00.00.00.0 
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 82 common opponents

Custom engine selection
NameEloChiron
4
64-bit
4CPU
Chiron
4
64-bit
Chiron
3.01
64-bit
4CPU
Chiron
2
64-bit
4CPU
Chiron
1.5
64-bit
4CPU
Chiron
3.01
64-bit
Chiron
1.1a
64-bit
4CPU
Chiron
2
64-bit
Chiron
1.5
64-bit
Chiron
1.1a
64-bit
Chiron
0.8.7
Stockfish 8 64-bit3421 14%
21/154
   11%
19/167
     
Houdini 4 64-bit 4CPU3332  21%
11/52
11%
5.5/50
       
Houdini 3 64-bit 4CPU3319    20%
10.5/52
 11%
5.5/52
    
Shredder 13 64-bit3270 35%
57.5/164
   22%
11/50
     
Gull 3 64-bit 4CPU326050%
26/52
 24%
12.5/52
34%
16/47
       
Fire 4 64-bit 4CPU3256  33%
17/52
31%
56.5/180
       
Equinox 3.30 64-bit 4CPU325346%
24/52
 23%
12/52
        
Houdini 4 64-bit3240     22%
19/86
 20%
10/50
   
Fizbo 1.9 64-bit3236 44%
116.5/262
   42%
8.5/20
     
Critter 1.6a 64-bit 4CPU323242%
22/52
 36%
18.5/52
29%
14.5/50
24%
12.5/52
 26%
16/62
    
Fritz 15 64-bit 4CPU322362%
32/52
 35%
18/52
36%
34.5/96
       
Stockfish 2.3.1 64-bit 4CPU3220    36%
18.5/52
 24%
15/62
    
Rybka 4.1 64-bit 4CPU3206  30%
15.5/52
35%
17/49
23%
12/52
 31%
19.5/62
    
BlackMamba 2.0 64-bit 4CPU319761%
31.5/52
 44%
23/52
        
Fire 4 64-bit3191 42%
27/64
   35%
17.5/50
 18%
9/50
   
Gull 3 64-bit3191 39%
64/163
   35%
17.5/50
 30%
15/50
   
Booot 6.1 64-bit 4CPU318752%
27/52
 29%
11.5/40
        
Komodo CCT 64-bit3180       22%
11/50
23%
7/31
  
Andscacs 0.89 64-bit3168 50%
45/90
   40%
40/100
     
Equinox 3.30 64-bit3161 49%
39/79
   42%
36.5/86
     
NameEloChiron
4
64-bit
4CPU
Chiron
4
64-bit
Chiron
3.01
64-bit
4CPU
Chiron
2
64-bit
4CPU
Chiron
1.5
64-bit
4CPU
Chiron
3.01
64-bit
Chiron
1.1a
64-bit
4CPU
Chiron
2
64-bit
Chiron
1.5
64-bit
Chiron
1.1a
64-bit
Chiron
0.8.7
Texel 1.06 64-bit 4CPU315862%
32/52
 53%
27.5/52
        
Critter 1.6a 64-bit3157 47%
125/264
   41%
21/51
 34%
16.5/49
22%
11/50
  
Fritz 15 64-bit3145 48%
24/50
   48%
38.5/80
 38%
23.5/62
   
Komodo 5 64-bit3145    46%
24/52
 33%
20/60
 22%
7/32
  
Critter 1.4 64-bit3141        22%
7/32
16%
5/32
 
Strelka 5.5 64-bit314072%
37.5/52
   40%
21/52
 38%
22.5/60
    
Fizbo 1.7 64-bit3128     54%
27.5/51
 43%
21.5/50
   
Protector 1.9.0 64-bit 4CPU312862%
24/39
 62%
32/52
        
Hannibal 1.7 64-bit3110 61%
152/249
   54%
26/48
     
Hiarcs 14 4CPU310874%
38.5/52
   50%
26/52
 36%
19/53
    
Rybka 4.1 64-bit3108 50%
1/2
   48%
24/50
 43%
21.5/50
35%
11/31
23%
7.5/32
 
Gull 2.1 64-bit3098       34%
16.5/49
32%
16.5/51
  
Naum 4.2 64-bit 4CPU3098   48%
24/50
60%
31/52
 48%
47.5/100
    
NirvanaChess 2.3 64-bit3097 62%
31/50
   54%
26.5/49
     
Texel 1.06 64-bit3094 57%
29/51
   51%
25.5/50
     
Andscacs 0.86 64-bit3092     51%
26/51
 41%
20.5/50
   
Booot 6.1 64-bit3085 64%
32.5/51
   43%
21.5/50
     
Protector 1.9.0 64-bit3085 67%
110.5/164
   50%
25/50
 45%
22.5/50
   
iCE 3.0 64-bit3080 68%
111.5/165
   53%
26.5/50
 34%
11/32
   
NirvanaChess 2.2 64-bit3077     50%
25/50
 50%
24.5/49
   
NameEloChiron
4
64-bit
4CPU
Chiron
4
64-bit
Chiron
3.01
64-bit
4CPU
Chiron
2
64-bit
4CPU
Chiron
1.5
64-bit
4CPU
Chiron
3.01
64-bit
Chiron
1.1a
64-bit
4CPU
Chiron
2
64-bit
Chiron
1.5
64-bit
Chiron
1.1a
64-bit
Chiron
0.8.7
Deep Fritz 13 4CPU3073    46%
24/52
 57%
29/51
    
Texel 1.05 64-bit3052     50%
25/50
 43%
21.5/50
   
Hannibal 1.5 64-bit3049     65%
32.5/50
 52%
26/50
   
Deep Shredder 12 64-bit 4CPU3041   64%
32/50
62%
31.5/51
 58%
60/104
    
Spike 1.4 Leiden 4CPU3038   69%
34/49
57%
29.5/52
 57%
59.5/104
    
Alfil 15.7 64-bit3031     67%
33.5/50
 48%
15.5/32
   
Naum 4.6 64-bit3031     57%
28.5/50
 38%
12/32
   
SmarThink 1.97 64-bit3031 50%
1.5/3
   63%
31.5/50
     
Spark 1.0 64-bit 4CPU3028   61%
30/49
62%
32/52
 47%
48.5/104
    
Hannibal 1.4b 64-bit3018       47%
23.5/50
44%
22/50
  
Senpai 1.0 64-bit3006     61%
30.5/50
 59%
29.5/50
   
Hiarcs 142987     69%
34.5/50
 55%
27.5/50
55%
17/31
27%
8.5/32
 
Naum 4.2 64-bit2987       49%
24.5/50
48%
15.5/32
53%
17/32
 
Fritz 132985      70%
70/100
59%
29/49
59%
19/32
59%
19/32
 
Hakkapeliitta 3.0 64-bit2984     55%
27.5/50
 65%
20/31
   
Protector 1.5.0 64-bit2984       53%
26.5/50
52%
16/31
  
Protector 1.4.0 64-bit 4CPU2971    63%
31.5/50
 61%
63/104
    
Zappa Mexico II 64-bit 4CPU2970   69%
34/49
66%
33.5/51
 61%
63/104
    
Deep Shredder 12 64-bit2955       70%
35/50
52%
16.5/32
58%
18.5/32
 
Gull 1.2 64-bit2950        55%
17.5/32
52%
16.5/32
 
NameEloChiron
4
64-bit
4CPU
Chiron
4
64-bit
Chiron
3.01
64-bit
4CPU
Chiron
2
64-bit
4CPU
Chiron
1.5
64-bit
4CPU
Chiron
3.01
64-bit
Chiron
1.1a
64-bit
4CPU
Chiron
2
64-bit
Chiron
1.5
64-bit
Chiron
1.1a
64-bit
Chiron
0.8.7
Hannibal 1.2 64-bit2949        55%
17.5/32
64%
20.5/32
 
Spark 1.0 64-bit2926 50%
1/2
     62%
22.5/36
67%
21.5/32
56%
17.5/31
 
Deep Sjeng c't 20102925 75%
1.5/2
      60%
30/50
  
Booot 5.2.0 64-bit2922       74%
27.5/37
62%
18.5/30
  
Spike 1.4 Leiden2921 100%
2/2
     64%
23.5/37
58%
18.5/32
73%
23.5/32
 
DiscoCheck 5.2.1 64-bit2913 100%
1/1
     67%
21.5/32
   
Quazar 0.4 64-bit2900 100%
2/2
     84%
31/37
58%
18.5/32
66%
21/32
 
Deep Junior Yokohama 64-bit2899       75%
27/36
68%
21/31
  
Protector 1.4.0 64-bit2889        61%
19.5/32
66%
21/32
 
Thinker 5.4d Inert 64-bit2885       77%
28.5/37
69%
22/32
59%
19/32
 
Deep Junior 13.3 64-bit2884        58%
18/31
70%
22.5/32
 
Murka 3 64-bit2881       74%
27.5/37
64%
20.5/32
  
Nemo 1.0.1 64-bit2856 100%
2/2
      72%
23/32
64%
20.5/32
 
Onno 1.2.70 64-bit2844        77%
24.5/32
66%
21/32
 
Zappa Mexico II 64-bit2844 100%
2/2
      77%
21.5/28
87%
26/30
 
MinkoChess 1.2 64-bit2842        66%
21/32
59%
19/32
 
Booot 5.1.02838        78%
25/32
59%
19/32
 
Texel 1.01 64-bit2797        78%
25/32
83%
26.5/32
 
Loop 13.6 (Loop 2007) 64-bit2795        84%
26/31
86%
18/21
 
Crafty 23.4 64-bit2781        86%
27.5/32
79%
24.5/31
 
NameEloChiron
4
64-bit
4CPU
Chiron
4
64-bit
Chiron
3.01
64-bit
4CPU
Chiron
2
64-bit
4CPU
Chiron
1.5
64-bit
4CPU
Chiron
3.01
64-bit
Chiron
1.1a
64-bit
4CPU
Chiron
2
64-bit
Chiron
1.5
64-bit
Chiron
1.1a
64-bit
Chiron
0.8.7
Ktulu 92781 100%
2/2
       82%
25.5/31
 
Chronos 1.9.9 64-bit2739 100%
1/1
       70%
22.5/32
 
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
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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 30, 2019