CCRL Blitz
Downloads and Statistics
September 19, 2020
Testing summary:
Total: 2'370'030 games
played by 2'800 programs

White wins: 913'140 (38.5%)
Black wins: 734'658 (31.0%)
Draws: 722'232 (30.5%)
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 September 19, 2020 with Bayeselo based on 2'370'030 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+
1SlowChess Blitz Classic 2.2 64-bit 4CPU3422+14−1454.0%−24.356.1%1454 
100.0%
 SlowChess Blitz 2.3 64-bit3365+19−1950.8%−3.357.5%796
89.6%
 SlowChess Blitz Classic 2.2 64-bit3349+16−1746.6%+32.051.7%1155
100.0%
 SlowChess Blitz Classic 2.1 64-bit3262+16−1649.6%+3.257.7%1150
99.5%
 SlowChess Blitz Classic 2.0 64-bit3230+19−1851.4%−11.348.9%885
100.0%
 SlowChess Blitz Classic 1.9 64-bit3151+18−1848.9%+7.148.5%958
99.6%
 SlowChess Blitz Classic 1.8 64-bit3116+19−1946.2%+24.540.8%925
100.0%
 SlowChess Blitz Classic 1.6 64-bit3024+18−1852.5%−17.841.0%986
99.7%
 SlowChess Blitz Classic 1.5 64-bit2988+19−1949.7%+3.135.6%937
95.1%
 SlowChess Blitz Classic 1.4 64-bit2964+21−2170.3%−142.532.8%854
100.0%
 Slow Chess Blitz WV2.12615+6−646.0%+30.529.8%12525
 

Results matrix

Custom engine selection
#NameElo1234567891011
1SlowChess Blitz Classic 2.2 64-bit 4CPU3422           
2SlowChess Blitz 2.3 64-bit3365           
3SlowChess Blitz Classic 2.2 64-bit3349           
4SlowChess Blitz Classic 2.1 64-bit3262           
5SlowChess Blitz Classic 2.0 64-bit3230           
6SlowChess Blitz Classic 1.9 64-bit3151           
7SlowChess Blitz Classic 1.8 64-bit3116           
8SlowChess Blitz Classic 1.6 64-bit3024           
9SlowChess Blitz Classic 1.5 64-bit2988           
10SlowChess Blitz Classic 1.4 64-bit2964           
11Slow Chess Blitz WV2.12615           
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
1SlowChess Blitz Classic 2.2 64-bit 4CPU3422 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2SlowChess Blitz 2.3 64-bit33650.0 89.6100.0100.0100.0100.0100.0100.0100.0100.0
3SlowChess Blitz Classic 2.2 64-bit33490.010.4 100.0100.0100.0100.0100.0100.0100.0100.0
4SlowChess Blitz Classic 2.1 64-bit32620.00.00.0 99.5100.0100.0100.0100.0100.0100.0
5SlowChess Blitz Classic 2.0 64-bit32300.00.00.00.4 100.0100.0100.0100.0100.0100.0
6SlowChess Blitz Classic 1.9 64-bit31510.00.00.00.00.0 99.6100.0100.0100.0100.0
7SlowChess Blitz Classic 1.8 64-bit31160.00.00.00.00.00.4 100.0100.0100.0100.0
8SlowChess Blitz Classic 1.6 64-bit30240.00.00.00.00.00.00.0 99.7100.0100.0
9SlowChess Blitz Classic 1.5 64-bit29880.00.00.00.00.00.00.00.3 95.1100.0
10SlowChess Blitz Classic 1.4 64-bit29640.00.00.00.00.00.00.00.04.9 100.0
11Slow Chess Blitz WV2.126150.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1SlowChess Blitz Classic 2.2 64-bit 4CPU3422 0000000000
2SlowChess Blitz 2.3 64-bit33650 1261762353190930000
3SlowChess Blitz Classic 2.2 64-bit334901261 12776944793810000
4SlowChess Blitz Classic 2.1 64-bit326207621277 149110529530000
5SlowChess Blitz Classic 2.0 64-bit323003536941491 11438960000
6SlowChess Blitz Classic 1.9 64-bit3151019047910521143 159563844803
7SlowChess Blitz Classic 1.8 64-bit31160933819538961595 76651203
8SlowChess Blitz Classic 1.6 64-bit302400000638766 149906
9SlowChess Blitz Classic 1.5 64-bit2988000004485121499 03
10SlowChess Blitz Classic 1.4 64-bit2964000000000 598
11Slow Chess Blitz WV2.12615000003363598 
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
1SlowChess Blitz Classic 2.2 64-bit 4CPU3422 0.00.00.00.00.00.00.00.00.00.0
2SlowChess Blitz 2.3 64-bit33650.0 64.639.221.010.85.40.00.00.00.0
3SlowChess Blitz Classic 2.2 64-bit33490.064.6 55.434.022.718.30.00.00.00.0
4SlowChess Blitz Classic 2.1 64-bit32620.039.255.4 73.349.945.90.00.00.00.0
5SlowChess Blitz Classic 2.0 64-bit32300.021.034.073.3 62.049.50.00.00.00.0
6SlowChess Blitz Classic 1.9 64-bit31510.010.822.749.962.0 84.732.823.60.00.0
7SlowChess Blitz Classic 1.8 64-bit31160.05.418.345.949.584.7 40.127.50.00.0
8SlowChess Blitz Classic 1.6 64-bit30240.00.00.00.00.032.840.1 78.00.00.0
9SlowChess Blitz Classic 1.5 64-bit29880.00.00.00.00.023.627.578.0 0.00.0
10SlowChess Blitz Classic 1.4 64-bit29640.00.00.00.00.00.00.00.00.0 4.5
11Slow Chess Blitz WV2.126150.00.00.00.00.00.00.00.00.04.5 
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 79 common opponents

Custom engine selection
NameEloSlowChess
Blitz
Classic
2.2
64-bit
4CPU
SlowChess
Blitz
2.3
64-bit
SlowChess
Blitz
Classic
2.2
64-bit
SlowChess
Blitz
Classic
2.1
64-bit
SlowChess
Blitz
Classic
2.0
64-bit
SlowChess
Blitz
Classic
1.9
64-bit
SlowChess
Blitz
Classic
1.8
64-bit
SlowChess
Blitz
Classic
1.6
64-bit
SlowChess
Blitz
Classic
1.5
64-bit
SlowChess
Blitz
Classic
1.4
64-bit
Slow
Chess
Blitz
WV2.1
Stockfish 11 64-bit3535 24%
15.5/64
21%
12.5/60
        
Houdini 6 64-bit3445 31%
20/64
30%
19.5/64
        
Ethereal 12.25 64-bit3373 48%
30.5/63
48%
34.5/72
        
Komodo 14 MCTS 64-bit3363  52%
33.5/64
32%
20.5/64
       
Xiphos 0.6 64-bit3340 52%
33/63
53%
34/64
31%
20/64
       
Fire 7.1 64-bit3336 50%
31.5/63
55%
35.5/64
42%
27/64
       
RofChade 2.3 64-bit3307 64%
40.5/63
57%
36.5/64
46%
29.5/64
       
Booot 6.4 64-bit3291 62%
39.5/64
57%
36.5/64
49%
31/63
38%
24/64
      
Igel 2.7.0 64-bit3289 59%
36.5/62
60%
30/50
        
RofChade 2.202 64-bit3278    47%
23.5/50
25%
8/32
     
Schooner 2.2 64-bit3278 69%
43.5/63
60%
38.5/64
48%
31/64
41%
20.5/50
36%
11.5/32
     
Laser 1.7 64-bit3276 66%
41.5/63
59%
37/63
45%
28.5/64
39%
19/49
36%
11.5/32
19%
6/31
    
Shredder 13 64-bit3272  69%
44/64
46%
29/63
43%
21.5/50
33%
10.5/32
33%
10.5/32
    
Fritz 17 64-bit3271  65%
41.5/64
47%
30/64
38%
19/50
34%
11/32
22%
7/32
    
Defenchess 2.2 64-bit3269  70%
44.5/64
51%
32.5/64
40%
19/48
38%
12/32
25%
8/32
    
Booot 6.3.1 64-bit3256    44%
22/50
47%
14.5/31
26%
8/31
    
Fizbo 2 64-bit3248   43%
27.5/64
51%
25.5/50
36%
11.5/32
22%
7/32
    
RubiChess 1.7.1 64-bit3243   52%
33/64
44%
22/50
      
Andscacs 0.95 64-bit3229   59%
38/64
52%
26/50
38%
12/32
33%
10.5/32
    
RubiChess 1.6.1.1 64-bit3209    51%
25.5/50
38%
12/32
     
NameEloSlowChess
Blitz
Classic
2.2
64-bit
4CPU
SlowChess
Blitz
2.3
64-bit
SlowChess
Blitz
Classic
2.2
64-bit
SlowChess
Blitz
Classic
2.1
64-bit
SlowChess
Blitz
Classic
2.0
64-bit
SlowChess
Blitz
Classic
1.9
64-bit
SlowChess
Blitz
Classic
1.8
64-bit
SlowChess
Blitz
Classic
1.6
64-bit
SlowChess
Blitz
Classic
1.5
64-bit
SlowChess
Blitz
Classic
1.4
64-bit
Slow
Chess
Blitz
WV2.1
Arasan 22.0 64-bit3181   66%
42.5/64
62%
31/50
50%
16/32
38%
12/32
    
Pedone 2.0 64-bit3175   63%
40.5/64
67%
33.5/50
44%
14/32
39%
12.5/32
    
Chiron 4 64-bit3165   67%
43/64
65%
32.5/50
55%
17.5/32
48%
15/31
    
Critter 1.6a 64-bit3157   75%
48/64
64%
32/50
47%
14.5/31
44%
14/32
    
Vajolet2 2.8 64-bit3135     53%
17/32
44%
14/32
    
NirvanaChess 2.4 64-bit3131     47%
15/32
39%
12.5/32
    
Wasp 3.75 64-bit3127     52%
16.5/32
52%
16.5/32
 27%
8.5/32
  
Nemorino 5.00 64-bit3117     61%
19.5/32
59%
19/32
    
Texel 1.07 64-bit3114     48%
15.5/32
52%
16.5/32
42%
13.5/32
   
Hannibal 1.7 64-bit3111     48%
15.5/32
56%
18/32
42%
13/31
  0%
0/1
iCE 4.0 64-bit3111     52%
16.5/32
41%
13/32
31%
10/32
   
Rybka 4.1 64-bit3110     52%
16.5/32
56%
18/32
25%
8/32
   
Protector 1.9.0 64-bit3087     59%
19/32
47%
15/32
42%
13.5/32
28%
9/32
  
Senpai 2.0 64-bit3087     55%
17.5/32
56%
18/32
44%
14/32
36%
11.5/32
  
chess22k 1.13 64-bit3085      53%
17/32
30%
9.5/32
30%
9.5/32
  
Demolito 2019-10-08 64-bit3079      64%
20.5/32
41%
13/32
   
SmarThink 1.98 64-bit3043     62%
20/32
62%
20/32
41%
13/32
45%
14.5/32
  
Naum 4.6 64-bit3032     69%
22/32
72%
23/32
50%
16/32
47%
15/32
  
Deuterium 2019.2.37.73 64-bit3021     67%
21.5/32
70%
22.5/32
42%
13/31
50%
16/32
  
Hakkapeliitta TCEC v2 64-bit3020     73%
23.5/32
59%
19/32
59%
19/32
52%
16.5/32
  
NameEloSlowChess
Blitz
Classic
2.2
64-bit
4CPU
SlowChess
Blitz
2.3
64-bit
SlowChess
Blitz
Classic
2.2
64-bit
SlowChess
Blitz
Classic
2.1
64-bit
SlowChess
Blitz
Classic
2.0
64-bit
SlowChess
Blitz
Classic
1.9
64-bit
SlowChess
Blitz
Classic
1.8
64-bit
SlowChess
Blitz
Classic
1.6
64-bit
SlowChess
Blitz
Classic
1.5
64-bit
SlowChess
Blitz
Classic
1.4
64-bit
Slow
Chess
Blitz
WV2.1
Pirarucu 3.0.7 64-bit3020       50%
16/32
48%
15.5/32
  
Rodent III 0.287 64-bit3005       52%
16/31
42%
13.5/32
  
ChessBrainVB 3.743003       55%
17.5/32
45%
14.5/32
  
Hiarcs 142984       59%
19/32
30%
9.5/32
  
Winter 0.7 64-bit2978       50%
15.5/31
41%
13/32
  
Amoeba 3.0 64-bit2974       55%
17/31
50%
16/32
  
Crafty 25.3 64-bit2966       72%
23/32
53%
17/32
  
Bobcat 8.0 64-bit2960       52%
16.5/32
50%
16/32
  
Marvin 3.4.0 64-bit2958       65%
20/31
61%
19.5/32
  
Godel 6.0 64-bit2948       66%
21/32
61%
19.5/32
  
Cheng 4.39 64-bit2943       66%
21/32
52%
16.5/32
  
Spark 1.0 64-bit2927       66%
21/32
58%
18.5/32
  
Dirty CUCUMBER 64-bit2926       73%
23.5/32
58%
18.5/32
  
Atlas 3.91 64-bit2925       69%
22/32
59%
19/32
  
Igel 2.0.0 64-bit2925       48%
15.5/32
73%
23.5/32
  
Spike 1.4 Leiden2920       77%
24.5/32
64%
69/108
 50%
0.5/1
Zurichess Neuchatel 64-bit2902         61%
19.5/32
100%
1/1
Quazar 0.4 64-bit2901         56%
18/32
11%
3.5/32
Daydreamer 2.0.0-pre2 64-bit2892         61%
19.5/32
50%
0.5/1
Bright 0.5c2771         94%
17/18
18%
5.5/31
NameEloSlowChess
Blitz
Classic
2.2
64-bit
4CPU
SlowChess
Blitz
2.3
64-bit
SlowChess
Blitz
Classic
2.2
64-bit
SlowChess
Blitz
Classic
2.1
64-bit
SlowChess
Blitz
Classic
2.0
64-bit
SlowChess
Blitz
Classic
1.9
64-bit
SlowChess
Blitz
Classic
1.8
64-bit
SlowChess
Blitz
Classic
1.6
64-bit
SlowChess
Blitz
Classic
1.5
64-bit
SlowChess
Blitz
Classic
1.4
64-bit
Slow
Chess
Blitz
WV2.1
Twisted Logic 20090922 64-bit2771         83%
15/18
28%
9/32
Frenzee 3.5.19 64-bit2769         83%
15/18
23%
7.5/32
tomitankChess 3.0 64-bit2766         69%
12.5/18
20%
5/25
Jonny 4.002763         72%
13/18
30%
9/30
BugChess2 1.9 64-bit2760         78%
14/18
27%
8.5/31
Chronos 1.9.9 64-bit2740         78%
14/18
30%
9.5/32
Shield 2.1 64-bit2738         81%
14.5/18
0%
0/1
Chess Tiger 2007.12713         75%
13.5/18
37%
40/109
Colossus 2008b2641         100%
4/4
48%
38/79
Cyrano 0.6b17 64-bit2641         88%
3.5/4
43%
27.5/64
Rodin 8.02639         75%
3/4
49%
16.5/34
Sjakk 2.2 64-bit2639         75%
3/4
53%
17/32
E.T. Chess 13.01.082634         100%
4/4
52%
16.5/32
WyldChess 1.51 64-bit2629         100%
4/4
50%
16/32
Orion 0.6 64-bit2624         100%
4/4
50%
16/32
WildCat 82624         75%
3/4
49%
33/67
Movei 00.8.438 (10 10 10)2622         75%
3/4
54%
21.5/40
Sloppy 0.2.2 64-bit2616         100%
4/4
43%
15/35
Rotor 0.82612         100%
4/4
67%
21.5/32
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%

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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:
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  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 September 19, 2020