CCRL Blitz
Downloads and Statistics
April 10, 2021
Testing summary:
Total: 2'502'969 games
played by 2'977 programs

White wins: 962'290 (38.4%)
Black wins: 770'705 (30.8%)
Draws: 769'974 (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 April 10, 2021 with Bayeselo based on 2'502'969 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%+48.247.1%5128 
100.0%
 Chiron 4 64-bit3164+7−642.7%+53.841.1%10261
98.8%
 Chiron 3.01 64-bit 4CPU3145+15−1540.3%+67.545.2%1476
99.0%
 Chiron 2 64-bit 4CPU3120+15−1537.8%+84.337.8%1702
97.4%
 Chiron 1.5 64-bit 4CPU3095+21−2147.8%+13.539.9%776
49.6%
 Chiron 3.01 64-bit3095+12−1244.1%+47.041.4%2452
99.9%
 Chiron 1.1a 64-bit 4CPU3064+16−1645.7%+28.539.9%1244
99.4%
 Chiron 2 64-bit3038+11−1041.5%+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%−71.032.1%1377
100.0%
 Chiron 0.8.72583+18−1848.9%+6.527.2%1155
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Chiron 4 64-bit 4CPU3242           
2Chiron 4 64-bit3164           
3Chiron 3.01 64-bit 4CPU3145           
4Chiron 2 64-bit 4CPU3120           
5Chiron 1.5 64-bit 4CPU3095           
6Chiron 3.01 64-bit3095           
7Chiron 1.1a 64-bit 4CPU3064           
8Chiron 2 64-bit3038           
9Chiron 1.5 64-bit2989           
10Chiron 1.1a 64-bit2966           
11Chiron 0.8.72583           
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-bit31640.0 98.8100.0100.0100.0100.0100.0100.0100.0100.0
3Chiron 3.01 64-bit 4CPU31450.01.2 99.0100.0100.0100.0100.0100.0100.0100.0
4Chiron 2 64-bit 4CPU31200.00.01.0 97.499.4100.0100.0100.0100.0100.0
5Chiron 1.5 64-bit 4CPU30950.00.00.02.6 49.699.0100.0100.0100.0100.0
6Chiron 3.01 64-bit30950.00.00.00.650.4 99.9100.0100.0100.0100.0
7Chiron 1.1a 64-bit 4CPU30640.00.00.00.01.00.1 99.4100.0100.0100.0
8Chiron 2 64-bit30380.00.00.00.00.00.00.6 100.0100.0100.0
9Chiron 1.5 64-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 0.8.725830.00.00.00.00.00.00.00.00.00.0 
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-bit31640 00021930796192450
3Chiron 3.01 64-bit 4CPU31458070 70820802280000
4Chiron 2 64-bit 4CPU31203490708 70809640000
5Chiron 1.5 64-bit 4CPU30953120208708 0179808400
6Chiron 3.01 64-bit309502193000 018062631640
7Chiron 1.1a 64-bit 4CPU3064331022896417980 147188960
8Chiron 2 64-bit303807960001806147 13466830
9Chiron 1.5 64-bit2989019200842631881346 13850
10Chiron 1.1a 64-bit2966045000164966831385 0
11Chiron 0.8.725830000000000 
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-bit31640.0 0.00.00.017.30.05.81.70.40.0
3Chiron 3.01 64-bit 4CPU314512.20.0 22.39.20.08.40.00.00.00.0
4Chiron 2 64-bit 4CPU31205.10.022.3 28.60.032.70.00.00.00.0
5Chiron 1.5 64-bit 4CPU30955.30.09.228.6 0.089.00.04.10.00.0
6Chiron 3.01 64-bit30950.017.30.00.00.0 0.030.37.04.30.0
7Chiron 1.1a 64-bit 4CPU30645.20.08.432.789.00.0 3.17.43.70.0
8Chiron 2 64-bit30380.05.80.00.00.030.33.1 28.014.00.0
9Chiron 1.5 64-bit29890.01.70.00.04.17.07.428.0 51.90.0
10Chiron 1.1a 64-bit29660.00.40.00.00.04.33.714.051.9 0.0
11Chiron 0.8.725830.00.00.00.00.00.00.00.00.00.0 
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 4CPU3331  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 4CPU325950%
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-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 4CPU322262%
32/52
 35%
18/52
36%
34.5/96
       
Stockfish 2.3.1 64-bit 4CPU3221    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 4CPU319661%
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 4CPU318652%
27/52
 29%
11.5/40
        
Komodo CCT 64-bit3181       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
Texel 1.06 64-bit 4CPU315762%
32/52
 53%
27.5/52
        
Critter 1.6a 64-bit3156 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-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 4CPU310874%
38.5/52
   50%
26/52
 36%
19/53
    
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-bit3095 57%
29/51
   51%
25.5/50
     
Andscacs 0.86 64-bit3092     51%
26/51
 41%
20.5/50
   
Protector 1.9.0 64-bit3088 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-bit3081 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 4CPU3042   64%
32/50
62%
31.5/51
 58%
60/104
    
Spike 1.4 Leiden 4CPU3040   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 4CPU3027   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-bit3007     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 132986      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-bit2984       53%
26.5/50
52%
16/31
  
Protector 1.4.0 64-bit 4CPU2972    63%
31.5/50
 61%
63/104
    
Zappa Mexico II 64-bit 4CPU2972   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
 
Deep Sjeng c't 20102926 75%
1.5/2
      60%
30/50
  
Spark 1.0 64-bit2926 50%
1/2
     62%
22.5/36
67%
21.5/32
56%
17.5/31
 
Booot 5.2.0 64-bit2922       74%
27.5/37
62%
18.5/30
  
Spike 1.4 Leiden2920 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-bit2901 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-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-bit2740 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 April 10, 2021