CCRL Blitz
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 2'387'265 games
played by 2'826 programs

White wins: 919'531 (38.5%)
Black wins: 739'461 (31.0%)
Draws: 728'273 (30.5%)
White score: 53.8%

Custom engine selection

Comparing 15 engines!
15 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 October 17, 2020 with Bayeselo based on 2'387'265 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-bit3162+19−1948.7%+6.338.2%892 
98.7%
 Winter 0.8 64-bit 4CPU3128+21−2151.3%−9.634.0%738
100.0%
 Winter 0.7 64-bit 4CPU3073+14−1452.1%−14.239.8%1741
95.5%
 Winter 0.8 64-bit3054+17−1751.3%−8.937.9%1179
100.0%
 Winter 0.6 64-bit 4CPU3003+23−2353.8%−24.039.0%592
96.8%
 Winter 0.7 64-bit2977+15−1548.0%+13.434.3%1554
98.9%
 Winter 0.5 64-bit 4CPU2945+23−2256.5%−43.336.2%650
71.4%
 Winter 0.6 64-bit2937+18−1849.8%+0.935.6%1036
90.4%
 Winter 0.5 64-bit2910+37−3663.8%−99.828.0%271
74.2%
 Winter 0.4a 64-bit 4CPU2895+26−2556.1%−40.938.5%488
100.0%
 Winter 0.3 64-bit 4CPU2817+24−2446.7%+24.128.3%618
64.0%
 Winter 0.4a 64-bit2811+22−2256.0%−42.529.8%749
100.0%
 Winter 0.3 64-bit2738+17−1753.8%−28.328.7%1235
100.0%
 Winter 0.2 64-bit2612+19−1957.3%−52.125.3%1026
100.0%
 Winter 0.1.1 64-bit2480+17−1850.8%−8.220.8%1220
 

Results matrix

Custom engine selection
#NameElo123456789101112131415
1Winter 0.9 64-bit3162               
2Winter 0.8 64-bit 4CPU3128               
3Winter 0.7 64-bit 4CPU3073               
4Winter 0.8 64-bit3054               
5Winter 0.6 64-bit 4CPU3003               
6Winter 0.7 64-bit2977               
7Winter 0.5 64-bit 4CPU2945               
8Winter 0.6 64-bit2937               
9Winter 0.5 64-bit2910               
10Winter 0.4a 64-bit 4CPU2895               
11Winter 0.3 64-bit 4CPU2817               
12Winter 0.4a 64-bit2811               
13Winter 0.3 64-bit2738               
14Winter 0.2 64-bit2612               
15Winter 0.1.1 64-bit2480               
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
#NameElo123456789101112131415
1Winter 0.9 64-bit3162 98.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Winter 0.8 64-bit 4CPU31281.3 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Winter 0.7 64-bit 4CPU30730.00.0 95.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Winter 0.8 64-bit30540.00.04.5 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Winter 0.6 64-bit 4CPU30030.00.00.00.0 96.8100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Winter 0.7 64-bit29770.00.00.00.03.2 98.9100.0100.0100.0100.0100.0100.0100.0100.0
7Winter 0.5 64-bit 4CPU29450.00.00.00.00.01.1 71.494.699.8100.0100.0100.0100.0100.0
8Winter 0.6 64-bit29370.00.00.00.00.00.028.6 90.499.6100.0100.0100.0100.0100.0
9Winter 0.5 64-bit29100.00.00.00.00.00.05.49.6 74.2100.0100.0100.0100.0100.0
10Winter 0.4a 64-bit 4CPU28950.00.00.00.00.00.00.20.425.8 100.0100.0100.0100.0100.0
11Winter 0.3 64-bit 4CPU28170.00.00.00.00.00.00.00.00.00.0 64.0100.0100.0100.0
12Winter 0.4a 64-bit28110.00.00.00.00.00.00.00.00.00.036.0 100.0100.0100.0
13Winter 0.3 64-bit27380.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0
14Winter 0.2 64-bit26120.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0
15Winter 0.1.1 64-bit24800.00.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112131415
1Winter 0.9 64-bit3162 00863761920640000000
2Winter 0.8 64-bit 4CPU31280 654000000000000
3Winter 0.7 64-bit 4CPU30730654 9668496099010203000
4Winter 0.8 64-bit3054863096 15589503210003000
5Winter 0.6 64-bit 4CPU3003760684155 3892933910003000
6Winter 0.7 64-bit2977192096895389 7810890003000
7Winter 0.5 64-bit 4CPU2945000029378 31703213383000
8Winter 0.6 64-bit2937640993213911089317 149378117050
9Winter 0.5 64-bit29100000000149 000000
10Winter 0.4a 64-bit 4CPU28950010200032130 63633513200
11Winter 0.3 64-bit 4CPU2817000000338780636 46226900
12Winter 0.4a 64-bit28110033333110335462 991163
13Winter 0.3 64-bit27380000000700132269991 610
14Winter 0.2 64-bit2612000000050001661 413
15Winter 0.1.1 64-bit24800000000000030413 
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
#NameElo123456789101112131415
1Winter 0.9 64-bit3162 0.00.041.75.17.80.03.30.00.00.00.00.00.00.0
2Winter 0.8 64-bit 4CPU31280.0 26.40.00.00.00.00.00.00.00.00.00.00.00.0
3Winter 0.7 64-bit 4CPU30730.026.4 3.329.32.90.03.60.04.60.00.10.00.00.0
4Winter 0.8 64-bit305441.70.03.3 8.832.70.014.50.00.00.00.20.00.00.0
5Winter 0.6 64-bit 4CPU30035.10.029.38.8 18.123.624.00.00.00.00.20.00.00.0
6Winter 0.7 64-bit29777.80.02.932.718.1 3.542.00.00.00.00.10.00.00.0
7Winter 0.5 64-bit 4CPU29450.00.00.00.023.63.5 18.80.028.226.70.20.00.00.0
8Winter 0.6 64-bit29373.30.03.614.524.042.018.8 11.40.24.70.63.10.20.0
9Winter 0.5 64-bit29100.00.00.00.00.00.00.011.4 0.00.00.00.00.00.0
10Winter 0.4a 64-bit 4CPU28950.00.04.60.00.00.028.20.20.0 57.527.17.70.00.0
11Winter 0.3 64-bit 4CPU28170.00.00.00.00.00.026.74.70.057.5 33.814.50.00.0
12Winter 0.4a 64-bit28110.00.00.10.20.20.10.20.60.027.133.8 49.90.90.2
13Winter 0.3 64-bit27380.00.00.00.00.00.00.03.10.07.714.549.9 2.70.0
14Winter 0.2 64-bit26120.00.00.00.00.00.00.00.20.00.00.00.92.7 18.4
15Winter 0.1.1 64-bit24800.00.00.00.00.00.00.00.00.00.00.00.20.018.4 
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
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 4CPU3169 48%
30/62
33%
26/78
            
Xiphos 0.3 64-bit3136             0%
0/2
0%
0/1
Minic 2.43 64-bit311658%
18.5/32
  48%
15.5/32
           
Texel 1.07 64-bit311262%
20/32
  31%
10/32
           
Hannibal 1.7 64-bit311058%
18.5/32
  36%
11.5/32
           
iCE 4.0 64-bit311058%
18.5/32
  42%
13.5/32
           
Rybka 4.1 64-bit310959%
19/32
  47%
15/32
           
Combusken 1.3.0 64-bit310564%
20.5/32
  52%
16.5/32
           
Amoeba 3.1 64-bit 4CPU3100 56%
34.5/62
45%
35.5/79
            
chess22k 1.14 64-bit310055%
17.5/32
  45%
14.5/32
           
Protector 1.9.0 64-bit308655%
17.5/32
  39%
12.5/32
 16%
5/32
         
Senpai 2.0 64-bit308664%
20.5/32
  47%
15/32
 38%
12/32
         
Marvin 3.5.0 64-bit 4CPU3076 66%
41/62
43%
16/37
            
Gogobello 2.2 64-bit 4CPU3072 63%
38/60
42%
35/84
            
Marvin 4.0.0 64-bit307158%
18.5/32
  62%
20/32
           
Pirarucu 3.3.5 64-bit306361%
19/31
  38%
12/32
           
Bobcat 8.0 64-bit 4CPU3056 53%
33/62
63%
43/68
            
Marvin 3.4.0 64-bit 4CPU3049  54%
37.5/69
 48%
20/42
          
SmarThink 1.98 64-bit304361%
19.5/32
  38%
12/32
44%
19.5/44
30%
9.5/32
 42%
13.5/32
       
Spike 1.4 Leiden 4CPU3039  49%
33.5/69
 41%
19/46
          
NameEloWinter
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-bit303869%
22/32
  45%
29/64
           
Bagatur 2.0 64-bit3031   45%
14.5/32
 44%
14/32
         
Naum 4.6 64-bit3030   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 4CPU3026  58%
40/69
 47%
21.5/46
          
Deuterium 2019.2.37.73 64-bit3021   58%
18.5/32
 41%
13/32
         
Marvin 3.6.0 64-bit3020   58%
18.5/32
 45%
14.5/32
         
Hakkapeliitta TCEC v2 64-bit3019  59%
40.5/69
56%
18/32
47%
22/47
42%
13.5/32
 44%
14.5/33
   0%
0/1
   
Pirarucu 3.0.7 64-bit3019     45%
14.5/32
 38%
12/32
       
Gogobello 2.0 64-bit 4CPU3009  65%
43.5/67
      26%
9/35
     
Rodent III 0.287 64-bit3004     52%
16.5/32
 38%
12/32
       
Rodent IV 022 64-bit2994   70%
22.5/32
 39%
12.5/32
         
The Baron 3.44 64-bit 4CPU2987  61%
41.5/68
 49%
22/45
          
Hiarcs 142984   58%
18.5/32
 50%
16/32
 36%
11.5/32
       
Amoeba 3.1 64-bit2983   58%
18.5/32
 47%
15/32
         
Godel 7.0 64-bit2980   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-bit2959   69%
22/32
 65%
20/31
 44%
14/32
       
Marvin 3.4.0 64-bit2957     48%
15.5/32
 36%
11.5/32
       
NameEloWinter
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-bit2952      63%
29/46
   26%
11/43
    
Godel 6.0 64-bit2947     48%
15.5/32
 56%
18/32
       
Cheng 4.39 64-bit2942     50%
16/32
 41%
13/32
       
Marvin 3.3.2 64-bit 4CPU2941    50%
23/46
 48%
32/66
        
DisasterArea 1.65 64-bit 4CPU2938    60%
27.5/46
 44%
19/43
        
Dirty CUCUMBER 64-bit2926     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-bit2921     66%
21/32
 53%
17/32
       
Spike 1.4 Leiden2919     56%
18/32
 47%
15/32
       
EXchess 7.97b 64-bit2915    57%
26/46
59%
19/32
 44%
14.5/33
       
Monolith 1.0 64-bit 4CPU2907      47%
21.5/46
  47%
18/38
     
Marvin 3.2.0 64-bit 4CPU2903      55%
25.5/46
  37%
14/38
33%
14.5/44
    
Zurichess Neuchatel 64-bit2901      61%
28.5/47
69%
22/32
       
Quazar 0.4 64-bit2900      60%
28/47
59%
19/32
  55%
23.5/43
    
Tucano 7.07 64-bit2899       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-bit2889       61%
19.5/32
45%
14.5/32
      
Cheese 2.0 64-bit 4CPU2887      58%
26.5/46
  45%
18/40
     
The Baron 3.44 64-bit2883       66%
21/32
    40%
11.5/29
  
NameEloWinter
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 4CPU2866      62%
21/34
  48%
16/33
44%
15.5/35
    
Nemo 1.0.1 64-bit2857         59%
23/39
44%
18.5/42
45%
12.5/28
   
Asymptote 0.6 64-bit2849       100%
1/1
62%
20/32
      
Gogobello 1.4 64-bit 4CPU2846         63%
24/38
49%
21.5/44
    
Zappa Mexico II 64-bit2845      47%
21.5/46
0%
0/1
   50%
0.5/1
   
Godel 4.4.5 64-bit2838         63%
24/38
50%
20.5/41
62%
18/29
   
Tornado 8.0 64-bit2828           61%
19.5/32
30%
9/30
  
Marvin 3.2.0 64-bit2827           36%
10.5/29
50%
15.5/31
  
Octochess r5506 64-bit2820         53%
20/38
33%
14/43
52%
16/31
   
Monolith 1.0 64-bit2818           43%
13/30
22%
7/32
  
Rhetoric 1.4.3 64-bit2805         76%
29/38
 41%
11.5/28
40%
12.5/31
  
RuyDos 1.1.6 64-bit2797         66%
25/38
51%
22/43
    
Shield 2.1 64-bit 4CPU2797         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-bit2778            53%
16.5/31
48%
11.5/24
 
Frenzee 3.5.19 64-bit2769       50%
0.5/1
  60%
26/43
53%
16/30
41%
12/29
  
Twisted Logic 20100131x 64-bit2767          64%
27.5/43
63%
19/30
52%
14.5/28
  
Pawny 1.2 64-bit2765          64%
16/25
 52%
15/29
  
Jonny 4.002762           69%
22/32
60%
17.5/29
  
Bison 9.11 64-bit2760          52%
22.5/43
55%
32.5/59
52%
15/29
  
NameEloWinter
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-bit2754           50%
11.5/23
45%
14.5/32
  
Chronos 1.9.9 64-bit2739           50%
16/32
36%
10.5/29
  
Delfi 5.42682           62%
20/32
50%
15.5/31
  
RedQueen 1.1.98 64-bit2666           66%
21/32
48%
28.5/59
0%
0/1
 
Alaric 7072662           73%
24/33
71%
41/58
  
Colossus 2008b2641           50%
0.5/1
65%
19.5/30
  
Cyrano 0.6b17 64-bit2640           76%
23.5/31
56%
17.5/31
  
WildCat 82623       50%
0.5/1
    73%
22/30
0%
0/1
 
Jellyfish 1.1 64-bit2609       100%
1/1
     52%
16.5/32
 
Ruffian 2.1.02608           50%
0.5/1
 62%
20/32
 
Pharaon 3.5.12602           25%
0.5/2
 42%
13.5/32
 
N2 0.4 64-bit2589           50%
0.5/1
 0%
0/1
 
Yace 0.99.872503             100%
1/1
37%
11/30
Magnum 4.0 32-bit2496             62%
37.5/60
52%
28/54
CyberPagno 3.0 64-bit2492             100%
1/1
49%
42/85
Bruja 1.9.1 64-bit2489             76%
45.5/60
45%
38/84
Tao 5.62486             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 October 17, 2020