CCRL Blitz
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 2'472'902 games
played by 2'944 programs

White wins: 950'998 (38.5%)
Black wins: 761'961 (30.8%)
Draws: 759'943 (30.7%)
White score: 53.8%

Custom engine selection

Comparing 16 engines!
16 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 February 27, 2021 with Bayeselo based on 2'472'902 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+
1Winter 0.9 64-bit 4CPU3244+16−1647.7%+14.441.3%1195 
100.0%
 Winter 0.9 64-bit3158+15−1549.0%+5.537.9%1395
97.9%
 Winter 0.8 64-bit 4CPU3131+20−2050.7%−6.334.7%812
100.0%
 Winter 0.7 64-bit 4CPU3074+14−1452.1%−14.239.8%1741
96.2%
 Winter 0.8 64-bit3054+17−1651.3%−8.837.9%1179
100.0%
 Winter 0.6 64-bit 4CPU3004+23−2353.8%−24.239.0%592
97.0%
 Winter 0.7 64-bit2978+15−1548.0%+12.934.3%1554
98.9%
 Winter 0.5 64-bit 4CPU2946+22−2256.5%−43.536.2%650
71.5%
 Winter 0.6 64-bit2938+18−1849.8%+0.835.6%1036
90.0%
 Winter 0.5 64-bit2911+37−3663.8%−99.528.0%271
74.9%
 Winter 0.4a 64-bit 4CPU2896+26−2556.1%−41.038.5%488
100.0%
 Winter 0.3 64-bit 4CPU2818+24−2446.7%+24.028.3%618
63.0%
 Winter 0.4a 64-bit2813+22−2256.0%−43.129.8%749
100.0%
 Winter 0.3 64-bit2739+17−1753.8%−28.128.7%1235
100.0%
 Winter 0.2 64-bit2613+19−1957.3%−52.125.3%1026
100.0%
 Winter 0.1.1 64-bit2481+17−1850.8%−8.220.8%1220
 

Results matrix

Custom engine selection
#NameElo12345678910111213141516
1Winter 0.9 64-bit 4CPU3244                
2Winter 0.9 64-bit3158                
3Winter 0.8 64-bit 4CPU3131                
4Winter 0.7 64-bit 4CPU3074                
5Winter 0.8 64-bit3054                
6Winter 0.6 64-bit 4CPU3004                
7Winter 0.7 64-bit2978                
8Winter 0.5 64-bit 4CPU2946                
9Winter 0.6 64-bit2938                
10Winter 0.5 64-bit2911                
11Winter 0.4a 64-bit 4CPU2896                
12Winter 0.3 64-bit 4CPU2818                
13Winter 0.4a 64-bit2813                
14Winter 0.3 64-bit2739                
15Winter 0.2 64-bit2613                
16Winter 0.1.1 64-bit2481                
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
#NameElo12345678910111213141516
1Winter 0.9 64-bit 4CPU3244 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Winter 0.9 64-bit31580.0 97.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Winter 0.8 64-bit 4CPU31310.02.1 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Winter 0.7 64-bit 4CPU30740.00.00.0 96.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Winter 0.8 64-bit30540.00.00.03.8 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Winter 0.6 64-bit 4CPU30040.00.00.00.00.0 97.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
7Winter 0.7 64-bit29780.00.00.00.00.03.0 98.9100.099.9100.0100.0100.0100.0100.0100.0
8Winter 0.5 64-bit 4CPU29460.00.00.00.00.00.01.1 71.594.499.8100.0100.0100.0100.0100.0
9Winter 0.6 64-bit29380.00.00.00.00.00.00.028.5 90.099.6100.0100.0100.0100.0100.0
10Winter 0.5 64-bit29110.00.00.00.00.00.00.15.610.0 74.9100.0100.0100.0100.0100.0
11Winter 0.4a 64-bit 4CPU28960.00.00.00.00.00.00.00.20.425.1 100.0100.0100.0100.0100.0
12Winter 0.3 64-bit 4CPU28180.00.00.00.00.00.00.00.00.00.00.0 63.0100.0100.0100.0
13Winter 0.4a 64-bit28130.00.00.00.00.00.00.00.00.00.00.037.0 100.0100.0100.0
14Winter 0.3 64-bit27390.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0
15Winter 0.2 64-bit26130.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0
16Winter 0.1.1 64-bit24810.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910111213141516
1Winter 0.9 64-bit 4CPU3244 000000000000000
2Winter 0.9 64-bit31580 00863761920640000000
3Winter 0.8 64-bit 4CPU313100 654000000000000
4Winter 0.7 64-bit 4CPU307400654 9668496099010203000
5Winter 0.8 64-bit30540863096 15589503210003000
6Winter 0.6 64-bit 4CPU30040760684155 3892933910003000
7Winter 0.7 64-bit29780192096895389 7810890003000
8Winter 0.5 64-bit 4CPU29460000029378 31703213383000
9Winter 0.6 64-bit29380640993213911089317 149378117050
10Winter 0.5 64-bit291100000000149 000000
11Winter 0.4a 64-bit 4CPU289600010200032130 63633513200
12Winter 0.3 64-bit 4CPU28180000000338780636 46226900
13Winter 0.4a 64-bit281300033333110335462 991163
14Winter 0.3 64-bit273900000000700132269991 610
15Winter 0.2 64-bit26130000000050001661 413
16Winter 0.1.1 64-bit248100000000000030413 
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
#NameElo12345678910111213141516
1Winter 0.9 64-bit 4CPU3244 0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2Winter 0.9 64-bit31580.0 0.00.033.53.86.50.02.60.00.00.00.00.00.00.0
3Winter 0.8 64-bit 4CPU31310.00.0 25.60.00.00.00.00.00.00.00.00.00.00.00.0
4Winter 0.7 64-bit 4CPU30740.00.025.6 3.329.32.90.03.60.04.60.00.10.00.00.0
5Winter 0.8 64-bit30540.033.50.03.3 8.832.70.014.50.00.00.00.20.00.00.0
6Winter 0.6 64-bit 4CPU30040.03.80.029.38.8 18.123.624.00.00.00.00.20.00.00.0
7Winter 0.7 64-bit29780.06.50.02.932.718.1 3.542.00.00.00.00.10.00.00.0
8Winter 0.5 64-bit 4CPU29460.00.00.00.00.023.63.5 18.80.028.226.70.20.00.00.0
9Winter 0.6 64-bit29380.02.60.03.614.524.042.018.8 11.40.24.70.63.10.20.0
10Winter 0.5 64-bit29110.00.00.00.00.00.00.00.011.4 0.00.00.00.00.00.0
11Winter 0.4a 64-bit 4CPU28960.00.00.04.60.00.00.028.20.20.0 57.527.17.70.00.0
12Winter 0.3 64-bit 4CPU28180.00.00.00.00.00.00.026.74.70.057.5 33.814.50.00.0
13Winter 0.4a 64-bit28130.00.00.00.10.20.20.10.20.60.027.133.8 49.90.90.2
14Winter 0.3 64-bit27390.00.00.00.00.00.00.00.03.10.07.714.549.9 2.70.0
15Winter 0.2 64-bit26130.00.00.00.00.00.00.00.00.20.00.00.00.92.7 18.4
16Winter 0.1.1 64-bit24810.00.00.00.00.00.00.00.00.00.00.00.00.20.018.4 
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 99 common opponents

Custom engine selection
NameEloWinter
0.9
64-bit
4CPU
Winter
0.9
64-bit
Winter
0.8
64-bit
4CPU
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
4CPU
Winter
0.3
64-bit
4CPU
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
ChessBrainVB 3.74 4CPU3171  48%
30/62
33%
26/78
            
Xiphos 0.3 64-bit3137              0%
0/2
0%
0/1
Minic 2.43 64-bit3116 58%
18.5/32
  48%
15.5/32
           
Texel 1.07 64-bit3113 62%
20/32
  31%
10/32
           
Hannibal 1.7 64-bit3110 58%
18.5/32
  36%
11.5/32
           
Rybka 4.1 64-bit3110 59%
19/32
  47%
15/32
           
iCE 4.0 64-bit3109 58%
18.5/32
  42%
13.5/32
           
Combusken 1.3.0 64-bit3104 64%
20.5/32
  52%
16.5/32
           
Amoeba 3.1 64-bit 4CPU3101  56%
34.5/62
45%
35.5/79
            
chess22k 1.14 64-bit3096 55%
17.5/32
  45%
14.5/32
           
Protector 1.9.0 64-bit3088 55%
17.5/32
  39%
12.5/32
 16%
5/32
         
Senpai 2.0 64-bit3086 64%
20.5/32
  47%
15/32
 38%
12/32
         
Marvin 3.5.0 64-bit 4CPU3077  66%
41/62
43%
16/37
            
Gogobello 2.2 64-bit 4CPU3073  63%
38/60
42%
35/84
            
Marvin 4.0.0 64-bit3071 58%
18.5/32
  62%
20/32
           
Pirarucu 3.3.5 64-bit3062 61%
19/31
  38%
12/32
           
Bobcat 8.0 64-bit 4CPU3057  53%
33/62
63%
43/68
            
Marvin 3.4.0 64-bit 4CPU3050   54%
37.5/69
 48%
20/42
          
SmarThink 1.98 64-bit3045 61%
19.5/32
  38%
12/32
44%
19.5/44
30%
9.5/32
 42%
13.5/32
       
Spike 1.4 Leiden 4CPU3040   49%
33.5/69
 41%
19/46
          
NameEloWinter
0.9
64-bit
4CPU
Winter
0.9
64-bit
Winter
0.8
64-bit
4CPU
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
4CPU
Winter
0.3
64-bit
4CPU
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
Monolith 2.01 64-bit3037 69%
22/32
  45%
29/64
           
Naum 4.6 64-bit3031    52%
16.5/32
 53%
17/32
 44%
14/32
       
Minic 2.07 64-bit3027    56%
18/32
 47%
15/32
         
Spark 1.0 64-bit 4CPU3027   58%
40/69
 47%
21.5/46
          
Bagatur 2.0 64-bit3025    45%
14.5/32
 44%
14/32
         
Hakkapeliitta TCEC v2 64-bit3021   59%
40.5/69
56%
18/32
47%
22/47
42%
13.5/32
 44%
14.5/33
   0%
0/1
   
Marvin 3.6.0 64-bit3021    58%
18.5/32
 45%
14.5/32
         
Pirarucu 3.0.7 64-bit3020      45%
14.5/32
 38%
12/32
       
Deuterium 2019.2.37.73 64-bit3019    58%
18.5/32
 41%
13/32
         
Gogobello 2.0 64-bit 4CPU3010   65%
43.5/67
      26%
9/35
     
Rodent III 0.287 64-bit3005      52%
16.5/32
 38%
12/32
       
Rodent IV 022 64-bit2990    70%
22.5/32
 39%
12.5/32
         
The Baron 3.44 64-bit 4CPU2987   61%
41.5/68
 49%
22/45
          
Hiarcs 142985    58%
18.5/32
 50%
16/32
 36%
11.5/32
       
Amoeba 3.1 64-bit2984    58%
18.5/32
 47%
15/32
         
Godel 7.0 64-bit2983    44%
14/32
 39%
12.5/32
         
Gaviota 1.0 64-bit 4CPU2978   66%
45/68
 61%
28/46
          
Amoeba 3.0 64-bit2974     54%
25/46
70%
22.5/32
 33%
10.5/32
       
Bobcat 8.0 64-bit2961    69%
22/32
 65%
20/31
 44%
14/32
       
Marvin 3.4.0 64-bit2958      48%
15.5/32
 36%
11.5/32
       
NameEloWinter
0.9
64-bit
4CPU
Winter
0.9
64-bit
Winter
0.8
64-bit
4CPU
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
4CPU
Winter
0.3
64-bit
4CPU
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
Amoeba 2.8 64-bit2953       63%
29/46
   26%
11/43
    
Godel 6.0 64-bit2948      48%
15.5/32
 56%
18/32
       
Cheng 4.39 64-bit2943      50%
16/32
 41%
13/32
       
Marvin 3.3.2 64-bit 4CPU2941     50%
23/46
 48%
32/66
        
DisasterArea 1.65 64-bit 4CPU2939     60%
27.5/46
 44%
19/43
        
Dirty CUCUMBER 64-bit2928      67%
21.5/32
 52%
16.5/32
       
Spark 1.0 64-bit2926      62%
20/32
 41%
13/32
       
Atlas 3.91 64-bit2923     65%
30/46
52%
16.5/32
50%
23/46
55%
17.5/32
       
Toga II 4.0 64-bit2922      66%
21/32
 53%
17/32
       
Spike 1.4 Leiden2920      56%
18/32
 47%
15/32
       
EXchess 7.97b 64-bit2917     57%
26/46
59%
19/32
 44%
14.5/33
       
Monolith 1.0 64-bit 4CPU2908       47%
21.5/46
  47%
18/38
     
Marvin 3.2.0 64-bit 4CPU2904       55%
25.5/46
  37%
14/38
33%
14.5/44
    
Zurichess Neuchatel 64-bit2902       61%
28.5/47
69%
22/32
       
Quazar 0.4 64-bit2901       60%
28/47
59%
19/32
  55%
23.5/43
    
Tucano 7.07 64-bit2900        55%
17.5/32
45%
22.5/50
      
Daydreamer 2.0.0-pre2 64-bit2891       65%
30/46
61%
19.5/32
       
Godel 5.5.1 64-bit2890        61%
19.5/32
45%
14.5/32
      
Cheese 2.0 64-bit 4CPU2888       58%
26.5/46
  45%
18/40
     
The Baron 3.44 64-bit2882        66%
21/32
    40%
11.5/29
  
NameEloWinter
0.9
64-bit
4CPU
Winter
0.9
64-bit
Winter
0.8
64-bit
4CPU
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
4CPU
Winter
0.3
64-bit
4CPU
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
Tornado 8.0 64-bit 4CPU2867       62%
21/34
  48%
16/33
44%
15.5/35
    
Nemo 1.0.1 64-bit2858          59%
23/39
44%
18.5/42
45%
12.5/28
   
Asymptote 0.6 64-bit2851        100%
1/1
62%
20/32
      
Gogobello 1.4 64-bit 4CPU2847          63%
24/38
49%
21.5/44
    
Zappa Mexico II 64-bit2846       47%
21.5/46
0%
0/1
   50%
0.5/1
   
Godel 4.4.5 64-bit2839          63%
24/38
50%
20.5/41
62%
18/29
   
Tornado 8.0 64-bit2829            61%
19.5/32
30%
9/30
  
Marvin 3.2.0 64-bit2828            36%
10.5/29
50%
15.5/31
  
Monolith 1.0 64-bit2819            43%
13/30
22%
7/32
  
Octochess r5506 64-bit2819          53%
20/38
33%
14/43
52%
16/31
   
Rhetoric 1.4.3 64-bit2808          76%
29/38
 41%
11.5/28
40%
12.5/31
  
RuyDos 1.1.6 64-bit2798          66%
25/38
51%
22/43
    
Shield 2.1 64-bit 4CPU2798          81%
31.5/39
63%
27/43
    
Ktulu 92781        50%
0.5/1
 62%
22.5/36
 48%
14.5/30
39%
10.5/27
  
RubiChess 1.1 64-bit2780             53%
16.5/31
48%
11.5/24
 
Frenzee 3.5.19 64-bit2770        50%
0.5/1
  60%
26/43
53%
16/30
41%
12/29
  
Twisted Logic 20100131x 64-bit2768           64%
27.5/43
63%
19/30
52%
14.5/28
  
Pawny 1.2 64-bit2767           64%
16/25
 52%
15/29
  
Jonny 4.002764            69%
22/32
60%
17.5/29
  
Bison 9.11 64-bit2761           52%
22.5/43
55%
32.5/59
52%
15/29
  
NameEloWinter
0.9
64-bit
4CPU
Winter
0.9
64-bit
Winter
0.8
64-bit
4CPU
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
4CPU
Winter
0.3
64-bit
4CPU
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
Gogobello 1.4 64-bit2755            50%
11.5/23
45%
14.5/32
  
Chronos 1.9.9 64-bit2740            50%
16/32
36%
10.5/29
  
Delfi 5.42683            62%
20/32
50%
15.5/31
  
RedQueen 1.1.98 64-bit2669            66%
21/32
48%
28.5/59
0%
0/1
 
Alaric 7072663            73%
24/33
71%
41/58
  
Colossus 2008b2642            50%
0.5/1
65%
19.5/30
  
Cyrano 0.6b17 64-bit2641            76%
23.5/31
56%
17.5/31
  
WildCat 82625        50%
0.5/1
    73%
22/30
0%
0/1
 
Jellyfish 1.1 64-bit2611        100%
1/1
     52%
16.5/32
 
Ruffian 2.1.02610            50%
0.5/1
 62%
20/32
 
Pharaon 3.5.12603            25%
0.5/2
 42%
13.5/32
 
N2 0.4 64-bit2591            50%
0.5/1
 0%
0/1
 
Yace 0.99.872503              100%
1/1
37%
11/30
Magnum 4.0 32-bit2497              62%
37.5/60
52%
28/54
CyberPagno 3.0 64-bit2496              100%
1/1
49%
42/85
Bruja 1.9.1 64-bit2491              76%
45.5/60
45%
38/84
Tao 5.62488              72%
43.5/60
48%
41/86
Anatoli 0.35k2457            100%
1/1
  52%
43.5/84
Typhoon 1.00-358 64-bit2370            100%
1/1
 100%
1/1
 
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 February 27, 2021