CCRL Blitz
Downloads and Statistics
January 16, 2021
Testing summary:
Total: 2'442'136 games
played by 2'904 programs

White wins: 939'660 (38.5%)
Black wins: 754'242 (30.9%)
Draws: 748'234 (30.6%)
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 January 16, 2021 with Bayeselo based on 2'442'136 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+
1Combusken 1.4.0 64-bit 4CPU3277+17−1750.2%−1.048.8%1095 
99.9%
 Combusken 1.3.0 64-bit 4CPU3227+25−2552.1%−13.345.5%484
99.8%
 Combusken 1.2.0 64-bit 4CPU3178+23−2352.0%−32.136.8%655
80.1%
 Combusken 1.4.0 64-bit3166+17−1747.9%+13.044.4%1096
100.0%
 Combusken 1.1.0 64-bit 4CPU3106+15−1556.8%−41.347.4%1423
55.8%
 Combusken 1.3.0 64-bit3104+18−1848.2%+11.838.8%1025
97.4%
 Combusken 1.2.0 64-bit3079+19−1948.2%+10.939.4%927
99.8%
 Combusken 1.0.0 64-bit 4CPU3043+16−1647.3%+17.143.0%1264
96.5%
 Combusken 1.1.0 64-bit3020+19−1948.5%+10.136.0%924
87.6%
 Combusken 1.1.1 64-bit2993+41−4144.3%+36.536.5%192
93.6%
 Combusken 1.0.0 64-bit2958+18−1852.5%−18.635.3%1064
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Combusken 1.4.0 64-bit 4CPU3277           
2Combusken 1.3.0 64-bit 4CPU3227           
3Combusken 1.2.0 64-bit 4CPU3178           
4Combusken 1.4.0 64-bit3166           
5Combusken 1.1.0 64-bit 4CPU3106           
6Combusken 1.3.0 64-bit3104           
7Combusken 1.2.0 64-bit3079           
8Combusken 1.0.0 64-bit 4CPU3043           
9Combusken 1.1.0 64-bit3020           
10Combusken 1.1.1 64-bit2993           
11Combusken 1.0.0 64-bit2958           
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
1Combusken 1.4.0 64-bit 4CPU3277 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Combusken 1.3.0 64-bit 4CPU32270.1 99.8100.0100.0100.0100.0100.0100.0100.0100.0
3Combusken 1.2.0 64-bit 4CPU31780.00.2 80.1100.0100.0100.0100.0100.0100.0100.0
4Combusken 1.4.0 64-bit31660.00.019.9 100.0100.0100.0100.0100.0100.0100.0
5Combusken 1.1.0 64-bit 4CPU31060.00.00.00.0 55.898.6100.0100.0100.0100.0
6Combusken 1.3.0 64-bit31040.00.00.00.044.2 97.4100.0100.0100.0100.0
7Combusken 1.2.0 64-bit30790.00.00.00.01.42.6 99.8100.0100.0100.0
8Combusken 1.0.0 64-bit 4CPU30430.00.00.00.00.00.00.2 96.598.6100.0
9Combusken 1.1.0 64-bit30200.00.00.00.00.00.00.03.5 87.6100.0
10Combusken 1.1.1 64-bit29930.00.00.00.00.00.00.01.412.4 93.6
11Combusken 1.0.0 64-bit29580.00.00.00.00.00.00.00.00.06.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1Combusken 1.4.0 64-bit 4CPU3277 47454900000000
2Combusken 1.3.0 64-bit 4CPU3227474 26300000000
3Combusken 1.2.0 64-bit 4CPU3178549263 020000170000
4Combusken 1.4.0 64-bit3166000 09085710254640
5Combusken 1.1.0 64-bit 4CPU3106002000 9696114896093
6Combusken 1.3.0 64-bit310400090896 11490531186307
7Combusken 1.2.0 64-bit3079000571961149 0895192445
8Combusken 1.0.0 64-bit 4CPU3043001700114800 000
9Combusken 1.1.0 64-bit3020000254965318950 0765
10Combusken 1.1.1 64-bit299300064018619200 0
11Combusken 1.0.0 64-bit295800009330744507650 
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
1Combusken 1.4.0 64-bit 4CPU3277 30.031.40.00.00.00.00.00.00.00.0
2Combusken 1.3.0 64-bit 4CPU322730.0 23.10.00.00.00.00.00.00.00.0
3Combusken 1.2.0 64-bit 4CPU317831.423.1 0.09.60.00.08.90.00.00.0
4Combusken 1.4.0 64-bit31660.00.00.0 0.042.828.20.012.65.00.0
5Combusken 1.1.0 64-bit 4CPU31060.00.09.60.0 3.94.142.74.10.03.7
6Combusken 1.3.0 64-bit31040.00.00.042.83.9 58.90.027.215.314.7
7Combusken 1.2.0 64-bit30790.00.00.028.24.158.9 0.048.417.222.4
8Combusken 1.0.0 64-bit 4CPU30430.00.08.90.042.70.00.0 0.00.00.0
9Combusken 1.1.0 64-bit30200.00.00.012.64.127.248.40.0 0.038.5
10Combusken 1.1.1 64-bit29930.00.00.05.00.015.317.20.00.0 0.0
11Combusken 1.0.0 64-bit29580.00.00.00.03.714.722.40.038.50.0 
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 50 common opponents

Custom engine selection
NameEloCombusken
1.4.0
64-bit
4CPU
Combusken
1.3.0
64-bit
4CPU
Combusken
1.2.0
64-bit
4CPU
Combusken
1.4.0
64-bit
Combusken
1.1.0
64-bit
4CPU
Combusken
1.3.0
64-bit
Combusken
1.2.0
64-bit
Combusken
1.0.0
64-bit
4CPU
Combusken
1.1.0
64-bit
Combusken
1.1.1
64-bit
Combusken
1.0.0
64-bit
Booot 6.4 64-bit 4CPU335833%
30.5/92
 25%
6.5/26
        
Schooner 2.1 64-bit 4CPU328750%
46/92
 27%
7/26
        
Pedone 2.0 64-bit 4CPU325549%
45.5/93
 33%
8.5/26
        
Equinox 3.30 64-bit 4CPU325158%
54/93
39%
15.5/40
46%
12/26
        
Fizbo 2 64-bit3248   33%
10.5/32
 33%
10.5/32
     
Chiron 4 64-bit 4CPU324357%
53/93
49%
19.5/40
31%
8.5/27
        
Critter 1.6a 64-bit 4CPU323357%
53/93
42%
17/40
44%
11.5/26
        
Andscacs 0.95 64-bit3229   38%
12/32
 34%
11/32
     
Vajolet2 2.8 64-bit 4CPU322864%
57/89
58%
22/38
42%
11/26
        
Arasan 22.1 64-bit3183   50%
16/32
 42%
13.5/32
     
Pedone 2.0 64-bit3175     31%
10/32
34%
11/32
    
Chiron 4 64-bit3164   50%
16/32
 38%
9.5/25
39%
12.5/32
    
Winter 0.9 64-bit3158   67%
21.5/32
 36%
11.5/32
     
Critter 1.6a 64-bit3157   68%
20.5/30
 33%
10.5/32
41%
13/32
    
Wasp 4.0 64-bit3156   62%
20/32
 44%
14/32
     
Demolito 2020-05-14 64-bit3133   59%
19/32
 48%
15.5/32
     
Vajolet2 2.8 64-bit3133   55%
17.5/32
 59%
19/32
44%
14/32
    
NirvanaChess 2.4 64-bit3132   55%
17/31
 48%
11.5/24
52%
16.5/32
    
Protector 1.9.0 64-bit 4CPU3130  56%
56/100
 36%
36/100
  29%
20/70
   
Nemorino 5.00 64-bit3116     54%
13.5/25
52%
16.5/32
 33%
10.5/32
  
NameEloCombusken
1.4.0
64-bit
4CPU
Combusken
1.3.0
64-bit
4CPU
Combusken
1.2.0
64-bit
4CPU
Combusken
1.4.0
64-bit
Combusken
1.1.0
64-bit
4CPU
Combusken
1.3.0
64-bit
Combusken
1.2.0
64-bit
Combusken
1.0.0
64-bit
4CPU
Combusken
1.1.0
64-bit
Combusken
1.1.1
64-bit
Combusken
1.0.0
64-bit
Texel 1.07 64-bit3113   55%
17.5/32
 46%
12/26
48%
15.5/32
 41%
13/32
  
Hannibal 1.7 64-bit3110   62%
20/32
 56%
14/25
48%
15.5/32
 47%
15/32
  
Rybka 4.1 64-bit3110   56%
17.5/31
 58%
14.5/25
48%
15.5/32
 31%
10/32
  
iCE 4.0 64-bit3109   52%
16/31
 44%
11.5/26
33%
10.5/32
 31%
10/32
  
Amoeba 3.1 64-bit 4CPU3101    56%
55.5/99
  41%
29/71
   
PeSTO 2.210 64-bit 4CPU3099    54%
53.5/100
  39%
27/70
   
chess22k 1.14 64-bit3096   58%
18.5/32
 50%
13/26
45%
14.5/32
  28%
9/32
 
Protector 1.9.0 64-bit3088     47%
15/32
45%
14/31
 39%
12.5/32
 34%
11/32
Minic 2.33 64-bit3087     56%
18/32
59%
19/32
    
Senpai 2.0 64-bit3085     56%
14.5/26
64%
20.5/32
 38%
12/32
 27%
8.5/32
chess22k 1.13 64-bit3084        44%
14/32
 30%
9.5/32
Igel 2.3.1 64-bit3073      53%
17/32
 41%
13/32
  
Winter 0.7 64-bit 4CPU3073    58%
58/100
  43%
31/72
   
Cheng 4.39 64-bit 4CPU3063    53%
51.5/98
  45%
32.5/72
   
Pirarucu 3.3.5 64-bit3063     61%
19.5/32
55%
17.5/32
  50%
16/32
 
Topple 0.7.5 64-bit 4CPU3058    56%
56.5/100
  50%
21/42
   
Bobcat 8.0 64-bit 4CPU3057    58%
57/98
  51%
37/72
   
Winter 0.8 64-bit3054     48%
15.5/32
50%
16/32
  30%
9.5/32
 
SmarThink 1.98 64-bit3045    60%
59/98
52%
16.5/32
50%
16/32
 53%
17/32
 29%
9/31
Monolith 2.01 64-bit3037     70%
22.5/32
50%
16/32
    
NameEloCombusken
1.4.0
64-bit
4CPU
Combusken
1.3.0
64-bit
4CPU
Combusken
1.2.0
64-bit
4CPU
Combusken
1.4.0
64-bit
Combusken
1.1.0
64-bit
4CPU
Combusken
1.3.0
64-bit
Combusken
1.2.0
64-bit
Combusken
1.0.0
64-bit
4CPU
Combusken
1.1.0
64-bit
Combusken
1.1.1
64-bit
Combusken
1.0.0
64-bit
Pirarucu 3.2.4 64-bit3037        31%
10/32
 39%
12.5/32
Naum 4.6 64-bit3031     62%
16/26
62%
20/32
 50%
16/32
 48%
15.5/32
Bagatur 2.0 64-bit3027      56%
18/32
 52%
16.5/32
 33%
10.5/32
Minic 2.07 64-bit3027      55%
17.5/32
 50%
16/32
  
Deuterium 2019.2.37.73 64-bit3020      55%
17.5/32
 45%
14.5/32
 34%
11/32
Hakkapeliitta TCEC v2 64-bit3020      52%
16.5/32
 48%
15.5/32
 32%
10/31
ChessBrainVB 3.743003        50%
16/32
 45%
14.5/32
Lc0 0.24.0 w591226 64-bit2990     53%
17/32
    42%
13.5/32
Topple 0.7.5 64-bit2988        55%
17/31
 47%
15/32
Godel 7.0 64-bit2982        56%
18/32
 52%
16.5/32
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 January 16, 2021