CCRL Blitz
Downloads and Statistics
May 9, 2021
Testing summary:
Total: 2'520'531 games
played by 3'005 programs

White wins: 968'591 (38.4%)
Black wins: 775'557 (30.8%)
Draws: 776'383 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 11 engines!
11 selected engines played 0 games with each other

CCRL Blitz Rating List — Custom engine selection (Quote)

Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "about" page.
Computed on May 9, 2021 with Bayeselo based on 2'520'531 games
Please refer to the "about" page for comments on engine inclusion

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 4CPU3242+8−843.3%+47.747.1%5128 
100.0%
 Chiron 4 64-bit3163+6−742.7%+54.041.0%10343
98.8%
 Chiron 3.01 64-bit 4CPU3144+15−1540.3%+68.245.2%1476
99.0%
 Chiron 2 64-bit 4CPU3119+15−1537.8%+84.837.8%1702
97.4%
 Chiron 1.5 64-bit 4CPU3094+20−2147.8%+14.139.9%776
49.6%
 Chiron 3.01 64-bit3094+12−1244.1%+47.641.4%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%+63.634.0%3514
100.0%
 Chiron 1.5 64-bit2988+16−1653.4%−22.837.6%1290
97.5%
 Chiron 1.1a 64-bit2965+16−1659.7%−70.432.1%1377
100.0%
 Chiron 0.8.72582+18−1848.9%+6.927.2%1155
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Chiron 4 64-bit 4CPU3242           
2Chiron 4 64-bit3163           
3Chiron 3.01 64-bit 4CPU3144           
4Chiron 2 64-bit 4CPU3119           
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-bit2988           
10Chiron 1.1a 64-bit2965           
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 4CPU3242 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Chiron 4 64-bit31630.0 98.8100.0100.0100.0100.0100.0100.0100.0100.0
3Chiron 3.01 64-bit 4CPU31440.01.2 99.0100.0100.0100.0100.0100.0100.0100.0
4Chiron 2 64-bit 4CPU31190.00.01.0 97.499.4100.0100.0100.0100.0100.0
5Chiron 1.5 64-bit 4CPU30940.00.00.02.6 49.699.0100.0100.0100.0100.0
6Chiron 3.01 64-bit30940.00.00.00.650.4 99.9100.0100.0100.0100.0
7Chiron 1.1a 64-bit 4CPU30630.00.00.00.01.00.1 99.4100.0100.0100.0
8Chiron 2 64-bit30380.00.00.00.00.00.00.6 100.0100.0100.0
9Chiron 1.5 64-bit29880.00.00.00.00.00.00.00.0 97.5100.0
10Chiron 1.1a 64-bit29650.00.00.00.00.00.00.00.02.5 100.0
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 4CPU3242 080734931203310000
2Chiron 4 64-bit31630 00021930796192450
3Chiron 3.01 64-bit 4CPU31448070 70820802280000
4Chiron 2 64-bit 4CPU31193490708 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-bit2988019200842631881346 13850
10Chiron 1.1a 64-bit2965045000164966831385 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 4CPU3242 0.012.25.15.30.05.20.00.00.00.0
2Chiron 4 64-bit31630.0 0.00.00.017.10.05.71.70.40.0
3Chiron 3.01 64-bit 4CPU314412.20.0 22.39.20.08.40.00.00.00.0
4Chiron 2 64-bit 4CPU31195.10.022.3 28.60.032.70.00.00.00.0
5Chiron 1.5 64-bit 4CPU30945.30.09.228.6 0.089.00.04.10.00.0
6Chiron 3.01 64-bit30940.017.10.00.00.0 0.030.37.04.30.0
7Chiron 1.1a 64-bit 4CPU30635.20.08.432.789.00.0 3.17.43.70.0
8Chiron 2 64-bit30380.05.70.00.00.030.33.1 28.014.00.0
9Chiron 1.5 64-bit29880.01.70.00.04.17.07.428.0 51.90.0
10Chiron 1.1a 64-bit29650.00.40.00.00.04.33.714.051.9 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-bit3420 14%
21/154
   11%
19/167
     
Houdini 4 64-bit 4CPU3330  21%
11/52
11%
5.5/50
       
Houdini 3 64-bit 4CPU3319    20%
10.5/52
 11%
5.5/52
    
Shredder 13 64-bit3269 35%
57.5/164
   22%
11/50
     
Gull 3 64-bit 4CPU325850%
26/52
 24%
12.5/52
34%
16/47
       
Fire 4 64-bit 4CPU3255  33%
17/52
31%
56.5/180
       
Equinox 3.30 64-bit 4CPU325146%
24/52
 23%
12/52
        
Houdini 4 64-bit3240     22%
19/86
 20%
10/50
   
Fizbo 1.9 64-bit3235 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 4CPU322262%
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 4CPU319561%
31.5/52
 44%
23/52
        
Fire 4 64-bit3190 42%
27/64
   35%
17.5/50
 18%
9/50
   
Gull 3 64-bit3190 39%
64/163
   35%
17.5/50
 30%
15/50
   
Booot 6.1 64-bit 4CPU318652%
27/52
 29%
11.5/40
        
Komodo CCT 64-bit3180       22%
11/50
23%
7/31
  
Andscacs 0.89 64-bit3169 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
Critter 1.6a 64-bit3156 47%
125/264
   41%
21/51
 34%
16.5/49
22%
11/50
  
Texel 1.06 64-bit 4CPU315662%
32/52
 53%
27.5/52
        
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-bit313972%
37.5/52
   40%
21/52
 38%
22.5/60
    
Protector 1.9.0 64-bit 4CPU312962%
24/39
 62%
32/52
        
Fizbo 1.7 64-bit3128     54%
27.5/51
 43%
21.5/50
   
Hannibal 1.7 64-bit3110 61%
152/249
   54%
26/48
     
Rybka 4.1 64-bit3110 50%
1/2
   48%
24/50
 43%
21.5/50
35%
11/31
23%
7.5/32
 
Hiarcs 14 4CPU310774%
38.5/52
   50%
26/52
 36%
19/53
    
Naum 4.2 64-bit 4CPU3098   48%
24/50
60%
31/52
 48%
47.5/100
    
Gull 2.1 64-bit3097       34%
16.5/49
32%
16.5/51
  
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
   
Protector 1.9.0 64-bit3087 67%
110.5/164
   50%
25/50
 45%
22.5/50
   
Booot 6.1 64-bit3085 64%
32.5/51
   43%
21.5/50
     
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-bit3048     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 4CPU3039   69%
34/49
57%
29.5/52
 57%
59.5/104
    
SmarThink 1.97 64-bit3031 50%
1.5/3
   63%
31.5/50
     
Alfil 15.7 64-bit3030     67%
33.5/50
 48%
15.5/32
   
Naum 4.6 64-bit3030     57%
28.5/50
 38%
12/32
   
Spark 1.0 64-bit 4CPU3026   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
   
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
   
Hiarcs 142984     69%
34.5/50
 55%
27.5/50
55%
17/31
27%
8.5/32
 
Protector 1.5.0 64-bit2983       53%
26.5/50
52%
16/31
  
Zappa Mexico II 64-bit 4CPU2972   69%
34/49
66%
33.5/51
 61%
63/104
    
Protector 1.4.0 64-bit 4CPU2971    63%
31.5/50
 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-bit2948        55%
17.5/32
64%
20.5/32
 
Deep Sjeng c't 20102925 75%
1.5/2
      60%
30/50
  
Spark 1.0 64-bit2925 50%
1/2
     62%
22.5/36
67%
21.5/32
56%
17.5/31
 
Booot 5.2.0 64-bit2921       74%
27.5/37
62%
18.5/30
  
Spike 1.4 Leiden2919 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-bit2897       75%
27/36
68%
21/31
  
Protector 1.4.0 64-bit2889        61%
19.5/32
66%
21/32
 
Deep Junior 13.3 64-bit2884        58%
18/31
70%
22.5/32
 
Thinker 5.4d Inert 64-bit2884       77%
28.5/37
69%
22/32
59%
19/32
 
Murka 3 64-bit2882       74%
27.5/37
64%
20.5/32
  
Nemo 1.0.1 64-bit2857 100%
2/2
      72%
23/32
64%
20.5/32
 
Zappa Mexico II 64-bit2846 100%
2/2
      77%
21.5/28
87%
26/30
 
MinkoChess 1.2 64-bit2842        66%
21/32
59%
19/32
 
Onno 1.2.70 64-bit2841        77%
24.5/32
66%
21/32
 
Booot 5.1.02838        78%
25/32
59%
19/32
 
Texel 1.01 64-bit2796        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 92780 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
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
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  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 May 9, 2021