CCRL Blitz
Downloads and Statistics
April 10, 2021
Testing summary:
Total: 2'502'969 games
played by 2'977 programs

White wins: 962'290 (38.4%)
Black wins: 770'705 (30.8%)
Draws: 769'974 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 14 engines!
14 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 10, 2021 with Bayeselo based on 2'502'969 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+
1Stash 29.0 64-bit3108+20−2054.7%−30.641.2%794 
99.8%
 Stash 28.0 64-bit3066+20−2049.1%+5.839.7%793
99.2%
 Stash 27.0 64-bit3033+18−1853.8%−25.138.4%977
100.0%
 Stash 25.0 64-bit2923+20−2052.5%−19.231.8%873
100.0%
 Stash 21.0 64-bit2720+16−1651.4%−13.426.4%1499
100.0%
 Stash 20.0.1 64-bit2532+24−2449.6%+2.724.1%615
98.4%
 Stash 19.0 64-bit2498+19−1954.8%−36.217.7%1012
100.0%
 Stash 17.0 64-bit2348+20−2058.0%−58.820.0%925
100.0%
 Stash 15.3 64-bit2229+20−2058.2%−63.115.4%982
100.0%
 Stash 14.0 64-bit2101+21−2147.7%+17.217.7%888
100.0%
 Stash 13.0.1 64-bit2030+21−2244.8%+40.214.7%848
100.0%
 Stash 12.0 64-bit1974+22−2251.5%−11.617.7%750
100.0%
 Stash 11.0.1 64-bit1752+27−2846.8%+25.111.7%520
100.0%
 Stash 9.0.1 64-bit1413+24−2448.4%+14.316.8%683
 

Results matrix

Custom engine selection
#NameElo1234567891011121314
1Stash 29.0 64-bit3108              
2Stash 28.0 64-bit3066              
3Stash 27.0 64-bit3033              
4Stash 25.0 64-bit2923              
5Stash 21.0 64-bit2720              
6Stash 20.0.1 64-bit2532              
7Stash 19.0 64-bit2498              
8Stash 17.0 64-bit2348              
9Stash 15.3 64-bit2229              
10Stash 14.0 64-bit2101              
11Stash 13.0.1 64-bit2030              
12Stash 12.0 64-bit1974              
13Stash 11.0.1 64-bit1752              
14Stash 9.0.1 64-bit1413              
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
#NameElo1234567891011121314
1Stash 29.0 64-bit3108 99.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Stash 28.0 64-bit30660.2 99.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Stash 27.0 64-bit30330.00.8 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Stash 25.0 64-bit29230.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Stash 21.0 64-bit27200.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Stash 20.0.1 64-bit25320.00.00.00.00.0 98.4100.0100.0100.0100.0100.0100.0100.0
7Stash 19.0 64-bit24980.00.00.00.00.01.6 100.0100.0100.0100.0100.0100.0100.0
8Stash 17.0 64-bit23480.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
9Stash 15.3 64-bit22290.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0
10Stash 14.0 64-bit21010.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0
11Stash 13.0.1 64-bit20300.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0
12Stash 12.0 64-bit19740.00.00.00.00.00.00.00.00.00.00.0 100.0100.0
13Stash 11.0.1 64-bit17520.00.00.00.00.00.00.00.00.00.00.00.0 100.0
14Stash 9.0.1 64-bit14130.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011121314
1Stash 29.0 64-bit3108 15238835100000000000
2Stash 28.0 64-bit30661523 8865750000000000
3Stash 27.0 64-bit3033883886 6260000000000
4Stash 25.0 64-bit2923510575626 1054000000000
5Stash 21.0 64-bit27200001054 000000000
6Stash 20.0.1 64-bit253200000 2280000000
7Stash 19.0 64-bit249800000228 0000000
8Stash 17.0 64-bit23480000000 25600000
9Stash 15.3 64-bit22290000000256 382377000
10Stash 14.0 64-bit210100000000382 569000
11Stash 13.0.1 64-bit203000000000377569 49800
12Stash 12.0 64-bit19740000000000498 00
13Stash 11.0.1 64-bit1752000000000000 0
14Stash 9.0.1 64-bit14130000000000000 
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
#NameElo1234567891011121314
1Stash 29.0 64-bit3108 96.049.930.60.00.00.00.00.00.00.00.00.00.0
2Stash 28.0 64-bit306696.0 50.134.50.00.00.00.00.00.00.00.00.00.0
3Stash 27.0 64-bit303349.950.1 33.80.00.00.00.00.00.00.00.00.00.0
4Stash 25.0 64-bit292330.634.533.8 44.40.00.00.00.00.00.00.00.00.0
5Stash 21.0 64-bit27200.00.00.044.4 0.00.00.00.00.00.00.00.00.0
6Stash 20.0.1 64-bit25320.00.00.00.00.0 14.00.00.00.00.00.00.00.0
7Stash 19.0 64-bit24980.00.00.00.00.014.0 0.00.00.00.00.00.00.0
8Stash 17.0 64-bit23480.00.00.00.00.00.00.0 13.40.00.00.00.00.0
9Stash 15.3 64-bit22290.00.00.00.00.00.00.013.4 20.420.60.00.00.0
10Stash 14.0 64-bit21010.00.00.00.00.00.00.00.020.4 32.80.00.00.0
11Stash 13.0.1 64-bit20300.00.00.00.00.00.00.00.020.632.8 31.20.00.0
12Stash 12.0 64-bit19740.00.00.00.00.00.00.00.00.00.031.2 0.00.0
13Stash 11.0.1 64-bit17520.00.00.00.00.00.00.00.00.00.00.00.0 0.0
14Stash 9.0.1 64-bit14130.00.00.00.00.00.00.00.00.00.00.00.00.0 
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 77 common opponents

Custom engine selection
NameEloStash
29.0
64-bit
Stash
28.0
64-bit
Stash
27.0
64-bit
Stash
25.0
64-bit
Stash
21.0
64-bit
Stash
20.0.1
64-bit
Stash
19.0
64-bit
Stash
17.0
64-bit
Stash
15.3
64-bit
Stash
14.0
64-bit
Stash
13.0.1
64-bit
Stash
12.0
64-bit
Stash
11.0.1
64-bit
Stash
9.0.1
64-bit
Orion 0.8 64-bit313845%
14.5/32
33%
10.5/32
            
Toga III 0.2 64-bit313742%
13.5/32
45%
14.5/32
31%
10/32
           
Vajolet2 2.8 64-bit312755%
17.5/32
50%
16/32
            
Weiss 1.3 64-bit311944%
13.5/31
47%
15/32
35%
10.5/30
           
Koivisto 4.0 64-bit311850%
16/32
40%
10.5/26
            
Texel 1.07 64-bit311331%
10/32
44%
14/32
            
Hannibal 1.7 64-bit311044%
14/32
44%
14/32
            
Rybka 4.1 64-bit311053%
16.5/31
41%
13/32
            
iCE 4.0 64-bit310853%
17/32
44%
14/32
            
chess22k 1.14 64-bit309744%
13.5/31
36%
11.5/32
41%
13/32
           
Protector 1.9.0 64-bit308842%
13/31
55%
17.5/32
44%
14/32
           
Seer 1.2.1 64-bit308664%
20.5/32
42%
13.5/32
42%
13.5/32
           
Senpai 2.0 64-bit308550%
16/32
50%
16/32
47%
15/32
           
Pirarucu 3.3.5 64-bit306072%
23/32
61%
19.5/32
58%
18/31
25%
8/32
          
ChessBrainVB 3.72305070%
22.5/32
47%
15/32
            
SmarThink 1.98 64-bit304566%
21/32
45%
14.5/32
 20%
6.5/32
          
Weiss 1.2 64-bit3039  55%
16/29
19%
6/32
          
FabChess 1.16 64-bit303369%
22/32
47%
15/32
53%
17/32
38%
12/32
          
Monolith 2.01 64-bit303258%
18.5/32
64%
20.5/32
44%
14/32
34%
11/32
          
Naum 4.6 64-bit303169%
22/32
47%
15/32
42%
13/31
39%
12.5/32
          
NameEloStash
29.0
64-bit
Stash
28.0
64-bit
Stash
27.0
64-bit
Stash
25.0
64-bit
Stash
21.0
64-bit
Stash
20.0.1
64-bit
Stash
19.0
64-bit
Stash
17.0
64-bit
Stash
15.3
64-bit
Stash
14.0
64-bit
Stash
13.0.1
64-bit
Stash
12.0
64-bit
Stash
11.0.1
64-bit
Stash
9.0.1
64-bit
Bagatur 2.0 64-bit3024  65%
20/31
41%
13/32
          
Tucano 9.00 64-bit302256%
17.5/31
58%
18.5/32
53%
17/32
31%
10/32
          
Bagatur 2.2a 64-bit302167%
21.5/32
52%
16/31
55%
17.5/32
           
Hakkapeliitta TCEC v2 64-bit302153%
17/32
64%
20.5/32
50%
14/28
28%
9/32
          
Deuterium 2019.2.37.73 64-bit302067%
21.5/32
55%
17.5/32
56%
17.5/31
44%
13.5/31
          
Amoeba 3.3 64-bit301968%
21/31
59%
19/32
            
Amoeba 3.2 64-bit3012 58%
18.5/32
 41%
13/32
          
ChessBrainVB 3.743003  50%
15/30
42%
13.5/32
          
Mr Bob 0.9.0 64-bit2845   68%
13.5/20
27%
8.5/32
         
tomitankChess 4.2 64-bit2838   60%
12/20
38%
12/32
         
Tornado 8.0 64-bit2829   68%
13/19
16%
5/31
         
Octochess r5506 64-bit2819   70%
14/20
47%
15/32
         
Devel 3.8.42817   70%
14/20
28%
9/32
         
Loop 13.6 (Loop 2007) 32-bit2775   75%
15/20
35%
22.5/64
         
Delocto 0.61n 64-bit2774   68%
13.5/20
35%
22.5/64
         
Bright 0.5c2771   72%
14.5/20
41%
26.5/64
         
Twisted Logic 20090922 64-bit2770   62%
12.5/20
53%
34/64
         
Frenzee 3.5.19 64-bit2769   79%
15/19
41%
26.5/64
         
Pawny 1.2 64-bit2766   70%
14/20
42%
27/64
         
Jonny 4.002764   55%
11/20
59%
38/64
         
NameEloStash
29.0
64-bit
Stash
28.0
64-bit
Stash
27.0
64-bit
Stash
25.0
64-bit
Stash
21.0
64-bit
Stash
20.0.1
64-bit
Stash
19.0
64-bit
Stash
17.0
64-bit
Stash
15.3
64-bit
Stash
14.0
64-bit
Stash
13.0.1
64-bit
Stash
12.0
64-bit
Stash
11.0.1
64-bit
Stash
9.0.1
64-bit
Bison 9.11 64-bit2760   70%
14/20
46%
29/63
         
BugChess2 1.9 64-bit2760   80%
16/20
44%
28/63
         
Arminius 2018-12-23 64-bit2753   82%
16.5/20
42%
13.5/32
         
GreKo 2020.03 64-bit2749   88%
17.5/20
41%
13/32
         
Chronos 1.9.9 64-bit2740   78%
15.5/20
30%
9.5/32
         
Shield 2.1 64-bit2739   70%
14/20
59%
19/32
         
Chess Tiger 2007.12713   68%
13.5/20
50%
15.5/31
         
AnMon 5.752537     47%
20.5/44
50%
16/32
       
JikChess 0.02 64-bit2522     52%
23/44
53%
17/32
       
Pepito 1.59.2 64-bit2520     49%
21.5/44
36%
11.5/32
       
Anechka 0.082233       56%
18/32
44%
14/32
     
GopherCheck 0.2.3 64-bit2232       59%
19/32
50%
16/32
     
Dorpsgek Eve's Temptation 64-bit2231       62%
20/32
62%
20/32
     
Ant 2006-F2230       72%
23/32
66%
21/32
     
Chispa 4.0.32206        62%
20/32
33%
10/30
    
Weini 0.0.24 64-bit2197        45%
14.5/32
22%
7/32
    
Uralochka 1.1d2186         38%
12/32
22%
7/32
   
Protej 0.5.8c2184         40%
12.5/31
27%
8/30
   
Madeleine 0.22183         42%
13/31
14%
4.5/32
   
Baislicka 1.0 64-bit2179         35%
11/31
14%
4.5/32
   
NameEloStash
29.0
64-bit
Stash
28.0
64-bit
Stash
27.0
64-bit
Stash
25.0
64-bit
Stash
21.0
64-bit
Stash
20.0.1
64-bit
Stash
19.0
64-bit
Stash
17.0
64-bit
Stash
15.3
64-bit
Stash
14.0
64-bit
Stash
13.0.1
64-bit
Stash
12.0
64-bit
Stash
11.0.1
64-bit
Stash
9.0.1
64-bit
Blitzkrieg rev337 64-bit2162         38%
12/32
31%
10/32
   
SjaakII 1.4.1 64-bit2146         52%
16.5/32
19%
6/32
   
Lime 662142        58%
18.5/32
47%
15/32
27%
8/30
   
WJChess 1.642129        70%
22.5/32
 42%
13/31
   
Hedgehog 1.9 64-bit2121        62%
20/32
 50%
14.5/29
   
Little Wing 0.6.0 64-bit2106        66%
21/32
 63%
19.5/31
   
BikJump 2.01 64-bit2102        70%
22.5/32
66%
21/32
30%
9.5/32
   
Wing 2.0a2100        62%
20/32
55%
17.5/32
    
Clarabit 1.00 64-bit2095        59%
19/32
53%
17/32
48%
15.5/32
   
Ceibo 0.4 64-bit1995          61%
19/31
60%
18.5/31
  
Gullydeckel 2.16pl11993          59%
19/32
53%
17/32
  
Chess4j 3.5 64-bit1989          60%
18.5/31
50%
16/32
  
BigLion 2.23x1986          81%
25/31
50%
16/32
  
Goldfish 1.13.0 64-bit1982          41%
13/32
52%
16.5/32
  
Snowy 0.2 64-bit1978          62%
20/32
50%
16/32
  
Bismark 1.41955          56%
14/25
45%
13.5/30
  
Sapeli 1.78 64-bit1937          61%
19.5/32
68%
21/31
  
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 10, 2021