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 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 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+
1Combusken 1.4.0 64-bit 4CPU3275+16−1651.0%−5.649.2%1208 
99.9%
 Combusken 1.3.0 64-bit 4CPU3227+25−2552.1%−13.945.5%484
99.8%
 Combusken 1.2.0 64-bit 4CPU3177+23−2352.0%−32.036.8%655
73.3%
 Combusken 1.4.0 64-bit3168+16−1648.5%+9.944.5%1309
100.0%
 Combusken 1.1.0 64-bit 4CPU3105+15−1556.8%−41.147.4%1423
58.4%
 Combusken 1.3.0 64-bit3103+18−1848.2%+11.438.8%1025
97.4%
 Combusken 1.2.0 64-bit3077+19−1948.2%+11.639.4%927
99.7%
 Combusken 1.0.0 64-bit 4CPU3042+16−1647.3%+17.543.0%1264
96.6%
 Combusken 1.1.0 64-bit3019+19−1948.5%+10.336.0%924
87.4%
 Combusken 1.1.1 64-bit2993+41−4144.3%+36.036.5%192
93.7%
 Combusken 1.0.0 64-bit2958+18−1852.5%−19.035.3%1064
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Combusken 1.4.0 64-bit 4CPU3275           
2Combusken 1.3.0 64-bit 4CPU3227           
3Combusken 1.2.0 64-bit 4CPU3177           
4Combusken 1.4.0 64-bit3168           
5Combusken 1.1.0 64-bit 4CPU3105           
6Combusken 1.3.0 64-bit3103           
7Combusken 1.2.0 64-bit3077           
8Combusken 1.0.0 64-bit 4CPU3042           
9Combusken 1.1.0 64-bit3019           
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 4CPU3275 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 4CPU31770.00.2 73.3100.0100.0100.0100.0100.0100.0100.0
4Combusken 1.4.0 64-bit31680.00.026.7 100.0100.0100.0100.0100.0100.0100.0
5Combusken 1.1.0 64-bit 4CPU31050.00.00.00.0 58.498.8100.0100.0100.0100.0
6Combusken 1.3.0 64-bit31030.00.00.00.041.6 97.4100.0100.0100.0100.0
7Combusken 1.2.0 64-bit30770.00.00.00.01.22.6 99.7100.0100.0100.0
8Combusken 1.0.0 64-bit 4CPU30420.00.00.00.00.00.00.3 96.698.6100.0
9Combusken 1.1.0 64-bit30190.00.00.00.00.00.00.03.4 87.4100.0
10Combusken 1.1.1 64-bit29930.00.00.00.00.00.00.01.412.6 93.7
11Combusken 1.0.0 64-bit29580.00.00.00.00.00.00.00.00.06.3 
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 4CPU3275 47454900000000
2Combusken 1.3.0 64-bit 4CPU3227474 26300000000
3Combusken 1.2.0 64-bit 4CPU3177549263 020000170000
4Combusken 1.4.0 64-bit3168000 09085710254640
5Combusken 1.1.0 64-bit 4CPU3105002000 9696114896093
6Combusken 1.3.0 64-bit310300090896 11490531186307
7Combusken 1.2.0 64-bit3077000571961149 0895192445
8Combusken 1.0.0 64-bit 4CPU3042001700114800 000
9Combusken 1.1.0 64-bit3019000254965318950 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 4CPU3275 28.029.50.00.00.00.00.00.00.00.0
2Combusken 1.3.0 64-bit 4CPU322728.0 23.10.00.00.00.00.00.00.00.0
3Combusken 1.2.0 64-bit 4CPU317729.523.1 0.09.60.00.08.90.00.00.0
4Combusken 1.4.0 64-bit31680.00.00.0 0.038.925.50.011.44.30.0
5Combusken 1.1.0 64-bit 4CPU31050.00.09.60.0 3.94.142.74.10.03.7
6Combusken 1.3.0 64-bit31030.00.00.038.93.9 58.90.027.215.314.7
7Combusken 1.2.0 64-bit30770.00.00.025.54.158.9 0.048.417.222.4
8Combusken 1.0.0 64-bit 4CPU30420.00.08.90.042.70.00.0 0.00.00.0
9Combusken 1.1.0 64-bit30190.00.00.011.44.127.248.40.0 0.038.5
10Combusken 1.1.1 64-bit29930.00.00.04.30.015.317.20.00.0 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 4CPU335633%
30.5/92
 25%
6.5/26
        
Schooner 2.1 64-bit 4CPU328550%
46/92
 27%
7/26
        
Pedone 2.0 64-bit 4CPU325449%
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-bit3247   33%
10.5/32
 33%
10.5/32
     
Chiron 4 64-bit 4CPU324257%
53/93
49%
19.5/40
31%
8.5/27
        
Critter 1.6a 64-bit 4CPU323257%
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-bit3182   50%
16/32
 42%
13.5/32
     
Pedone 2.0 64-bit3173     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-bit3157   67%
21.5/32
 36%
11.5/32
     
Critter 1.6a 64-bit3156   68%
20.5/30
 33%
10.5/32
41%
13/32
    
Wasp 4.0 64-bit3155   62%
20/32
 44%
14/32
     
Demolito 2020-05-14 64-bit3132   59%
19/32
 48%
15.5/32
     
NirvanaChess 2.4 64-bit3131   55%
17/31
 48%
11.5/24
52%
16.5/32
    
Protector 1.9.0 64-bit 4CPU3129  56%
56/100
 36%
36/100
  29%
20/70
   
Vajolet2 2.8 64-bit3127   55%
17.5/32
 59%
19/32
44%
14/32
    
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
  
Rybka 4.1 64-bit3110   56%
17.5/31
 58%
14.5/25
48%
15.5/32
 31%
10/32
  
Hannibal 1.7 64-bit3109   62%
20/32
 56%
14/25
48%
15.5/32
 47%
15/32
  
iCE 4.0 64-bit3107   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 4CPU3098    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-bit3087     47%
15/32
45%
14/31
 39%
12.5/32
 34%
11/32
Minic 2.33 64-bit3085     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-bit3083        44%
14/32
 30%
9.5/32
Winter 0.7 64-bit 4CPU3073    58%
58/100
  43%
31/72
   
Igel 2.3.1 64-bit3072      53%
17/32
 41%
13/32
  
Cheng 4.39 64-bit 4CPU3063    53%
51.5/98
  45%
32.5/72
   
Pirarucu 3.3.5 64-bit3059     61%
19.5/32
55%
17.5/32
  50%
16/32
 
Topple 0.7.5 64-bit 4CPU3057    56%
56.5/100
  50%
21/42
   
Bobcat 8.0 64-bit 4CPU3056    58%
57/98
  51%
37/72
   
Winter 0.8 64-bit3053     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
Pirarucu 3.2.4 64-bit3036        31%
10/32
 39%
12.5/32
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
Monolith 2.01 64-bit3032     70%
22.5/32
50%
16/32
    
Naum 4.6 64-bit3031     62%
16/26
62%
20/32
 50%
16/32
 48%
15.5/32
Minic 2.07 64-bit3026      55%
17.5/32
 50%
16/32
  
Bagatur 2.0 64-bit3024      56%
18/32
 52%
16.5/32
 33%
10.5/32
Hakkapeliitta TCEC v2 64-bit3020      52%
16.5/32
 48%
15.5/32
 32%
10/31
Deuterium 2019.2.37.73 64-bit3019      55%
17.5/32
 45%
14.5/32
 34%
11/32
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-bit2987        55%
17/31
 47%
15/32
Godel 7.0 64-bit2981        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 April 17, 2021