CCRL Blitz
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 2'506'279 games
played by 2'984 programs

White wins: 963'662 (38.4%)
Black wins: 771'889 (30.8%)
Draws: 770'728 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 10 engines!
10 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 17, 2021 with Bayeselo based on 2'506'279 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+
1Weiss 1.3 64-bit3119+18−1852.4%−16.739.8%1000 
100.0%
 Weiss 1.2 64-bit3039+16−1652.0%−13.740.7%1192
100.0%
 Weiss 1.0 64-bit 4CPU2977+30−3049.0%+5.638.0%353
61.9%
 Weiss 1.1 64-bit2971+19−1953.4%−22.634.5%893
100.0%
 Weiss 1.0 64-bit2886+19−1947.4%+16.734.9%894
99.9%
 Weiss 0.10 64-bit2843+19−1946.1%+24.136.9%952
100.0%
 Weiss 0.9 64-bit2662+20−2051.6%−11.723.2%900
99.8%
 Weiss 0.8 64-bit2623+18−1852.6%−18.323.0%1096
100.0%
 Weiss 0.7 64-bit2563+20−2047.6%+17.030.2%841
100.0%
 Weiss 0.6 64-bit2448+30−3144.4%+40.223.2%384
 

Results matrix

Custom engine selection
#NameElo12345678910
1Weiss 1.3 64-bit3119          
2Weiss 1.2 64-bit3039          
3Weiss 1.0 64-bit 4CPU2977          
4Weiss 1.1 64-bit2971          
5Weiss 1.0 64-bit2886          
6Weiss 0.10 64-bit2843          
7Weiss 0.9 64-bit2662          
8Weiss 0.8 64-bit2623          
9Weiss 0.7 64-bit2563          
10Weiss 0.6 64-bit2448          
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
#NameElo12345678910
1Weiss 1.3 64-bit3119 100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Weiss 1.2 64-bit30390.0 100.0100.0100.0100.0100.0100.0100.0100.0
3Weiss 1.0 64-bit 4CPU29770.00.0 61.9100.0100.0100.0100.0100.0100.0
4Weiss 1.1 64-bit29710.00.038.1 100.0100.0100.0100.0100.0100.0
5Weiss 1.0 64-bit28860.00.00.00.0 99.9100.0100.0100.0100.0
6Weiss 0.10 64-bit28430.00.00.00.00.1 100.0100.0100.0100.0
7Weiss 0.9 64-bit26620.00.00.00.00.00.0 99.8100.0100.0
8Weiss 0.8 64-bit26230.00.00.00.00.00.00.2 100.0100.0
9Weiss 0.7 64-bit25630.00.00.00.00.00.00.00.0 100.0
10Weiss 0.6 64-bit24480.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Weiss 1.3 64-bit3119 1069064000000
2Weiss 1.2 64-bit30391069 174893192640000
3Weiss 1.0 64-bit 4CPU29770174 23763630000
4Weiss 1.1 64-bit297164893237 10858240000
5Weiss 1.0 64-bit28860192631085 12080000
6Weiss 0.10 64-bit2843064638241208 0000
7Weiss 0.9 64-bit2662000000 10594480
8Weiss 0.8 64-bit26230000001059 1740
9Weiss 0.7 64-bit2563000000448174 0
10Weiss 0.6 64-bit2448000000000 
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
#NameElo12345678910
1Weiss 1.3 64-bit3119 48.80.03.40.00.00.00.00.00.0
2Weiss 1.2 64-bit303948.8 11.342.89.23.00.00.00.00.0
3Weiss 1.0 64-bit 4CPU29770.011.3 19.05.14.80.00.00.00.0
4Weiss 1.1 64-bit29713.442.819.0 60.744.70.00.00.00.0
5Weiss 1.0 64-bit28860.09.25.160.7 65.40.00.00.00.0
6Weiss 0.10 64-bit28430.03.04.844.765.4 0.00.00.00.0
7Weiss 0.9 64-bit26620.00.00.00.00.00.0 53.125.70.0
8Weiss 0.8 64-bit26230.00.00.00.00.00.053.1 9.00.0
9Weiss 0.7 64-bit25630.00.00.00.00.00.025.79.0 0.0
10Weiss 0.6 64-bit24480.00.00.00.00.00.00.00.00.0 
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 69 common opponents

Custom engine selection
NameEloWeiss
1.3
64-bit
Weiss
1.2
64-bit
Weiss
1.0
64-bit
4CPU
Weiss
1.1
64-bit
Weiss
1.0
64-bit
Weiss
0.10
64-bit
Weiss
0.9
64-bit
Weiss
0.8
64-bit
Weiss
0.7
64-bit
Weiss
0.6
64-bit
Orion 0.8 64-bit313752%
15.5/30
33%
10.5/32
        
Texel 1.07 64-bit311350%
16/32
36%
11.5/32
        
Rybka 4.1 64-bit311042%
13.5/32
30%
9.5/32
        
Hannibal 1.7 64-bit310952%
16.5/32
42%
13/31
        
iCE 4.0 64-bit310750%
15.5/31
53%
17/32
        
chess22k 1.14 64-bit309650%
14.5/29
45%
14.5/32
        
Protector 1.9.0 64-bit308748%
14.5/30
48%
15.5/32
        
Seer 1.2.1 64-bit308547%
14.5/31
36%
11.5/32
        
Senpai 2.0 64-bit308544%
13.5/31
44%
14/32
        
Pirarucu 3.3.5 64-bit305964%
20.5/32
45%
14.5/32
        
SmarThink 1.98 64-bit304562%
18.5/30
41%
13/32
        
FabChess 1.16 64-bit303361%
19/31
55%
17.5/32
        
Monolith 2.01 64-bit303275%
24/32
59%
19/32
        
Stash 27.0 64-bit303265%
19.5/30
45%
13/29
        
Naum 4.6 64-bit303164%
20.5/32
44%
14/32
        
Bagatur 2.0 64-bit302473%
23.5/32
56%
18/32
        
Tucano 9.00 64-bit302270%
22.5/32
42%
13.5/32
 42%
13.5/32
      
Hakkapeliitta TCEC v2 64-bit3020 55%
17.5/32
40%
12.5/31
52%
16.5/32
      
Deuterium 2019.2.37.73 64-bit3019 64%
20.5/32
44%
13.5/31
47%
14.5/31
      
Amoeba 3.2 64-bit3012 50%
16/32
 33%
10.5/32
      
NameEloWeiss
1.3
64-bit
Weiss
1.2
64-bit
Weiss
1.0
64-bit
4CPU
Weiss
1.1
64-bit
Weiss
1.0
64-bit
Weiss
0.10
64-bit
Weiss
0.9
64-bit
Weiss
0.8
64-bit
Weiss
0.7
64-bit
Weiss
0.6
64-bit
Gogobello 2.2 64-bit2991 70%
22.5/32
 47%
15/32
      
Rodent IV 022 64-bit2988 58%
18.5/32
 47%
15/32
      
Topple 0.7.5 64-bit2987 52%
16.5/32
 44%
14/32
      
Hiarcs 142984 61%
19.5/32
 58%
18.5/32
      
FabChess 1.15 64-bit2982 58%
18.5/32
 50%
16/32
      
Godel 7.0 64-bit2981 58%
18/31
53%
9/17
61%
19.5/32
      
PeSTO 2.210 64-bit2978 42%
13/31
 64%
20.5/32
      
Bobcat 8.0 64-bit2960 52%
16.5/32
 62%
20/32
31%
10/32
     
Crafty 25.6 64-bit2955 72%
23/32
 53%
17/32
31%
10/32
     
Cheng 4.39 64-bit2942 64%
20.5/32
 53%
17/32
45%
14.5/32
36%
11.5/32
    
Counter 3.5 64-bit2934   62%
20/32
36%
11.5/32
     
Spark 1.0 64-bit2925   53%
17/32
41%
13/32
31%
9.5/31
    
Asymptote 0.8 64-bit2924   44%
13.5/31
47%
15/32
     
Atlas 3.91 64-bit2923  61%
19/31
38%
12/32
56%
18/32
34%
11/32
    
Invictus r305 64-bit2922   47%
15/32
47%
15/32
45%
13.5/30
    
Toga II 4.0 64-bit2921   58%
18.5/32
34%
11/32
36%
11.5/32
    
Spike 1.4 Leiden2919   55%
17.5/32
48%
15.5/32
42%
13/31
    
DiscoCheck 5.2.1 64-bit2913   58%
18.5/32
50%
16/32
36%
11.5/32
    
Quazar 0.4 64-bit2901   66%
21/32
44%
14/32
29%
8.5/29
    
Zurichess Neuchatel 64-bit2901   50%
16/32
50%
15.5/31
44%
14/32
    
NameEloWeiss
1.3
64-bit
Weiss
1.2
64-bit
Weiss
1.0
64-bit
4CPU
Weiss
1.1
64-bit
Weiss
1.0
64-bit
Weiss
0.10
64-bit
Weiss
0.9
64-bit
Weiss
0.8
64-bit
Weiss
0.7
64-bit
Weiss
0.6
64-bit
Deep Junior Yokohama 64-bit2897   58%
18/31
50%
16/32
45%
14.5/32
    
Daydreamer 2.0.0-pre2 64-bit2890   59%
19/32
52%
16.5/32
38%
12/32
    
Murka 3 64-bit2882   77%
24.5/32
53%
17/32
36%
11.5/32
    
The Baron 3.44 64-bit2882   59%
19/32
44%
14/32
34%
11/32
    
Gaviota 1.0 64-bit2871    59%
19/32
62%
20/32
    
MinkoChess 1.3 64-bit2869    62%
20/32
52%
16.5/32
    
DisasterArea 1.65 64-bit2868    52%
16.5/32
45%
14.5/32
    
Nemo 1.0.1 64-bit2857    56%
18/32
36%
11.5/32
    
Zappa Mexico II 64-bit2846    58%
18.5/32
44%
14/32
    
Onno 1.2.70 64-bit2841    59%
19/32
48%
15.5/32
    
Fridolin 3.10 64-bit2677      47%
14.5/31
45%
14.5/32
  
Gandalf 7 64-bit2665      54%
14.5/27
44%
14/32
  
Alaric 7072662      64%
16/25
52%
16.5/32
  
Phalanx XXV2656      50%
13.5/27
38%
12/32
  
Nebula 2.0 64-bit2655      57%
16.5/29
47%
15/32
  
Alfil 13.1 64-bit2642      62%
18.5/30
44%
14/32
  
Colossus 2008b2641      58%
34.5/59
62%
20/32
  
Cyrano 0.6b17 64-bit2641      52%
28/54
53%
17/32
  
Rodin 8.02640      50%
29/58
33%
10.5/32
  
Sjakk 2.2 64-bit2637      51%
30.5/60
55%
17.5/32
  
NameEloWeiss
1.3
64-bit
Weiss
1.2
64-bit
Weiss
1.0
64-bit
4CPU
Weiss
1.1
64-bit
Weiss
1.0
64-bit
Weiss
0.10
64-bit
Weiss
0.9
64-bit
Weiss
0.8
64-bit
Weiss
0.7
64-bit
Weiss
0.6
64-bit
E.T. Chess 13.01.082634      60%
35/58
48%
15.5/32
  
WyldChess 1.51 64-bit2629      53%
32.5/61
50%
16/32
  
Orion 0.6 64-bit2624      52%
29/56
 41%
13/32
 
WildCat 82624      52%
29.5/57
44%
11.5/26
36%
11.5/32
 
Movei 00.8.438 (10 10 10)2621      62%
33/53
48%
12.5/26
45%
14.5/32
 
Philou 3.7.1 64-bit2619      60%
18/30
 33%
10.5/32
 
Sloppy 0.2.2 64-bit2616      52%
15/29
 48%
15.5/32
 
Jellyfish 1.1 64-bit2612       46%
12/26
39%
12.5/32
 
Rotor 0.82611      48%
15/31
 55%
17.5/32
 
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:
  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 April 17, 2021