CCRL Blitz
Downloads and Statistics
October 24, 2020
Testing summary:
Total: 2'392'106 games
played by 2'834 programs

White wins: 921'308 (38.5%)
Black wins: 740'794 (31.0%)
Draws: 730'004 (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 October 24, 2020 with Bayeselo based on 2'392'106 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 4CPU3424+14−1352.8%−18.357.2%1633 
100.0%
 SlowChess Blitz 2.3 64-bit3363+17−1850.0%+0.757.3%932
90.6%
 SlowChess Blitz Classic 2.2 64-bit3347+16−1646.6%+29.951.7%1155
100.0%
 SlowChess Blitz Classic 2.1 64-bit3262+16−1649.6%+2.557.7%1150
99.5%
 SlowChess Blitz Classic 2.0 64-bit3230+19−1851.4%−11.948.9%885
100.0%
 SlowChess Blitz Classic 1.9 64-bit3151+18−1848.9%+6.448.5%958
99.6%
 SlowChess Blitz Classic 1.8 64-bit3116+19−1946.2%+23.940.8%925
100.0%
 SlowChess Blitz Classic 1.6 64-bit3023+18−1852.5%−17.141.0%986
99.7%
 SlowChess Blitz Classic 1.5 64-bit2988+19−1949.7%+3.035.6%937
95.3%
 SlowChess Blitz Classic 1.4 64-bit2964+21−2170.3%−143.032.8%854
100.0%
 Slow Chess Blitz WV2.12615+6−646.0%+30.429.8%12525
 

Results matrix

Custom engine selection
#NameElo1234567891011
1SlowChess Blitz Classic 2.2 64-bit 4CPU3424           
2SlowChess Blitz 2.3 64-bit3363           
3SlowChess Blitz Classic 2.2 64-bit3347           
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-bit3023           
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 4CPU3424 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2SlowChess Blitz 2.3 64-bit33630.0 90.6100.0100.0100.0100.0100.0100.0100.0100.0
3SlowChess Blitz Classic 2.2 64-bit33470.09.4 100.0100.0100.0100.0100.0100.0100.0100.0
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-bit30230.00.00.00.00.00.00.0 99.7100.0100.0
9SlowChess Blitz Classic 1.5 64-bit29880.00.00.00.00.00.00.00.3 95.3100.0
10SlowChess Blitz Classic 1.4 64-bit29640.00.00.00.00.00.00.00.04.7 100.0
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 4CPU3424 0000000000
2SlowChess Blitz 2.3 64-bit33630 1261762353190930000
3SlowChess Blitz Classic 2.2 64-bit334701261 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-bit302300000638766 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 4CPU3424 0.00.00.00.00.00.00.00.00.00.0
2SlowChess Blitz 2.3 64-bit33630.0 60.436.619.410.15.00.00.00.00.0
3SlowChess Blitz Classic 2.2 64-bit33470.060.4 55.434.022.718.30.00.00.00.0
4SlowChess Blitz Classic 2.1 64-bit32620.036.655.4 73.349.945.90.00.00.00.0
5SlowChess Blitz Classic 2.0 64-bit32300.019.434.073.3 62.049.50.00.00.00.0
6SlowChess Blitz Classic 1.9 64-bit31510.010.122.749.962.0 84.732.823.60.00.0
7SlowChess Blitz Classic 1.8 64-bit31160.05.018.345.949.584.7 40.127.50.00.0
8SlowChess Blitz Classic 1.6 64-bit30230.00.00.00.00.032.840.1 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-bit3534 24%
15.5/64
21%
12.5/60
        
Houdini 6 64-bit3445 31%
20/64
30%
19.5/64
        
Ethereal 12.25 64-bit3371 48%
30.5/63
48%
34.5/72
        
Komodo 14 MCTS 64-bit3362  52%
33.5/64
32%
20.5/64
       
Xiphos 0.6 64-bit3338 52%
33/63
53%
34/64
31%
20/64
       
Fire 7.1 64-bit3335 50%
31.5/63
55%
35.5/64
42%
27/64
       
RofChade 2.3 64-bit3308 64%
40.5/63
57%
36.5/64
46%
29.5/64
       
Booot 6.4 64-bit3293 62%
39.5/64
57%
36.5/64
49%
31/63
38%
24/64
      
Igel 2.7.0 64-bit3287 59%
36.5/62
60%
30/50
        
RofChade 2.202 64-bit3278    47%
23.5/50
25%
8/32
     
Schooner 2.2 64-bit3276 69%
43.5/63
60%
38.5/64
48%
31/64
41%
20.5/50
36%
11.5/32
     
Laser 1.7 64-bit3275 66%
41.5/63
59%
37/63
45%
28.5/64
39%
19/49
36%
11.5/32
19%
6/31
    
Shredder 13 64-bit3271  69%
44/64
46%
29/63
43%
21.5/50
33%
10.5/32
33%
10.5/32
    
Fritz 17 64-bit3270  65%
41.5/64
47%
30/64
38%
19/50
34%
11/32
22%
7/32
    
Defenchess 2.2 64-bit3268  70%
44.5/64
51%
32.5/64
40%
19/48
38%
12/32
25%
8/32
    
Booot 6.3.1 64-bit3255    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-bit3242   52%
33/64
44%
22/50
      
Andscacs 0.95 64-bit3228   59%
38/64
52%
26/50
38%
12/32
33%
10.5/32
    
RubiChess 1.6.1.1 64-bit3208    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-bit3180   66%
42.5/64
62%
31/50
50%
16/32
38%
12/32
    
Pedone 2.0 64-bit3174   63%
40.5/64
67%
33.5/50
44%
14/32
39%
12.5/32
    
Chiron 4 64-bit3164   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-bit3134     53%
17/32
44%
14/32
    
NirvanaChess 2.4 64-bit3131     47%
15/32
39%
12.5/32
    
Wasp 3.75 64-bit3126     52%
16.5/32
52%
16.5/32
 27%
8.5/32
  
Nemorino 5.00 64-bit3116     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-bit3110     48%
15.5/32
56%
18/32
42%
13/31
  0%
0/1
Rybka 4.1 64-bit3110     52%
16.5/32
56%
18/32
25%
8/32
   
iCE 4.0 64-bit3108     52%
16.5/32
41%
13/32
31%
10/32
   
Protector 1.9.0 64-bit3087     59%
19/32
47%
15/32
42%
13.5/32
28%
9/32
  
Senpai 2.0 64-bit3086     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-bit3044     62%
20/32
62%
20/32
41%
13/32
45%
14.5/32
  
Naum 4.6 64-bit3031     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 3.743004       55%
17.5/32
45%
14.5/32
  
Hiarcs 142985       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
  
Igel 2.0.0 64-bit2925       48%
15.5/32
73%
23.5/32
  
Atlas 3.91 64-bit2923       69%
22/32
59%
19/32
  
Spike 1.4 Leiden2919       77%
24.5/32
64%
69/108
 50%
0.5/1
Zurichess Neuchatel 64-bit2903         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-bit2891         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-bit2770         83%
15/18
28%
9/32
Frenzee 3.5.19 64-bit2769         83%
15/18
23%
7.5/32
tomitankChess 3.0 64-bit2765         69%
12.5/18
20%
5/25
Jonny 4.002762         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-bit2737         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-bit2640         88%
3.5/4
43%
27.5/64
Rodin 8.02639         75%
3/4
49%
16.5/34
Sjakk 2.2 64-bit2638         75%
3/4
53%
17/32
E.T. Chess 13.01.082634         100%
4/4
52%
16.5/32
WyldChess 1.51 64-bit2628         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%

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 24, 2020