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 12 engines!
12 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+
1SlowChess Blitz Classic 2.2 64-bit 4CPU3423+13−1452.8%−17.857.2%1633 
99.8%
 SlowChess Blitz 2.4 64-bit3376+26−2645.0%+34.260.0%428
80.5%
 SlowChess Blitz 2.3 64-bit3361+18−1850.0%+1.157.3%932
89.3%
 SlowChess Blitz Classic 2.2 64-bit3346+16−1646.6%+29.851.7%1155
100.0%
 SlowChess Blitz Classic 2.1 64-bit3262+16−1649.6%+2.657.7%1150
99.5%
 SlowChess Blitz Classic 2.0 64-bit3230+19−1851.4%−11.748.9%885
100.0%
 SlowChess Blitz Classic 1.9 64-bit3151+18−1848.9%+6.548.5%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%−17.241.0%986
99.7%
 SlowChess Blitz Classic 1.5 64-bit2988+19−1949.7%+2.935.6%937
95.1%
 SlowChess Blitz Classic 1.4 64-bit2964+21−2170.3%−142.732.8%854
100.0%
 Slow Chess Blitz WV2.12615+6−646.0%+30.429.8%12525
 

Results matrix

Custom engine selection
#NameElo123456789101112
1SlowChess Blitz Classic 2.2 64-bit 4CPU3423            
2SlowChess Blitz 2.4 64-bit3376            
3SlowChess Blitz 2.3 64-bit3361            
4SlowChess Blitz Classic 2.2 64-bit3346            
5SlowChess Blitz Classic 2.1 64-bit3262            
6SlowChess Blitz Classic 2.0 64-bit3230            
7SlowChess Blitz Classic 1.9 64-bit3151            
8SlowChess Blitz Classic 1.8 64-bit3116            
9SlowChess Blitz Classic 1.6 64-bit3023            
10SlowChess Blitz Classic 1.5 64-bit2988            
11SlowChess Blitz Classic 1.4 64-bit2964            
12Slow 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
#NameElo123456789101112
1SlowChess Blitz Classic 2.2 64-bit 4CPU3423 99.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2SlowChess Blitz 2.4 64-bit33760.2 80.596.4100.0100.0100.0100.0100.0100.0100.0100.0
3SlowChess Blitz 2.3 64-bit33610.019.5 89.3100.0100.0100.0100.0100.0100.0100.0100.0
4SlowChess Blitz Classic 2.2 64-bit33460.03.610.7 100.0100.0100.0100.0100.0100.0100.0100.0
5SlowChess Blitz Classic 2.1 64-bit32620.00.00.00.0 99.5100.0100.0100.0100.0100.0100.0
6SlowChess Blitz Classic 2.0 64-bit32300.00.00.00.00.5 100.0100.0100.0100.0100.0100.0
7SlowChess Blitz Classic 1.9 64-bit31510.00.00.00.00.00.0 99.6100.0100.0100.0100.0
8SlowChess Blitz Classic 1.8 64-bit31160.00.00.00.00.00.00.4 100.0100.0100.0100.0
9SlowChess Blitz Classic 1.6 64-bit30230.00.00.00.00.00.00.00.0 99.7100.0100.0
10SlowChess Blitz Classic 1.5 64-bit29880.00.00.00.00.00.00.00.00.3 95.1100.0
11SlowChess Blitz Classic 1.4 64-bit29640.00.00.00.00.00.00.00.00.04.9 100.0
12Slow Chess Blitz WV2.126150.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112
1SlowChess Blitz Classic 2.2 64-bit 4CPU3423 00000000000
2SlowChess Blitz 2.4 64-bit33760 0000000000
3SlowChess Blitz 2.3 64-bit336100 1261762353190930000
4SlowChess Blitz Classic 2.2 64-bit3346001261 12776944793810000
5SlowChess Blitz Classic 2.1 64-bit3262007621277 149110529530000
6SlowChess Blitz Classic 2.0 64-bit3230003536941491 11438960000
7SlowChess Blitz Classic 1.9 64-bit31510019047910521143 159563844803
8SlowChess Blitz Classic 1.8 64-bit311600933819538961595 76651203
9SlowChess Blitz Classic 1.6 64-bit3023000000638766 149906
10SlowChess Blitz Classic 1.5 64-bit29880000004485121499 03
11SlowChess Blitz Classic 1.4 64-bit29640000000000 598
12Slow Chess Blitz WV2.126150000003363598 
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
#NameElo123456789101112
1SlowChess Blitz Classic 2.2 64-bit 4CPU3423 0.00.00.00.00.00.00.00.00.00.00.0
2SlowChess Blitz 2.4 64-bit33760.0 0.00.00.00.00.00.00.00.00.00.0
3SlowChess Blitz 2.3 64-bit33610.00.0 60.436.619.410.15.00.00.00.00.0
4SlowChess Blitz Classic 2.2 64-bit33460.00.060.4 55.434.022.718.30.00.00.00.0
5SlowChess Blitz Classic 2.1 64-bit32620.00.036.655.4 73.349.945.90.00.00.00.0
6SlowChess Blitz Classic 2.0 64-bit32300.00.019.434.073.3 62.049.50.00.00.00.0
7SlowChess Blitz Classic 1.9 64-bit31510.00.010.122.749.962.0 84.732.823.60.00.0
8SlowChess Blitz Classic 1.8 64-bit31160.00.05.018.345.949.584.7 40.127.50.00.0
9SlowChess Blitz Classic 1.6 64-bit30230.00.00.00.00.00.032.840.1 78.00.00.0
10SlowChess Blitz Classic 1.5 64-bit29880.00.00.00.00.00.023.627.578.0 0.00.0
11SlowChess Blitz Classic 1.4 64-bit29640.00.00.00.00.00.00.00.00.00.0 4.5
12Slow Chess Blitz WV2.126150.00.00.00.00.00.00.00.00.00.04.5 
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
2.4
64-bit
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-bit3444  31%
20/64
30%
19.5/64
        
Ethereal 12.25 64-bit3370  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-bit3339  52%
33/63
53%
34/64
31%
20/64
       
Fire 7.1 64-bit3334  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-bit3295  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-bit3275  69%
43.5/63
60%
38.5/64
48%
31/64
41%
20.5/50
36%
11.5/32
     
Laser 1.7 64-bit3274  66%
41.5/63
59%
37/63
45%
28.5/64
39%
19/49
36%
11.5/32
19%
6/31
    
Fritz 17 64-bit3271   65%
41.5/64
47%
30/64
38%
19/50
34%
11/32
22%
7/32
    
Shredder 13 64-bit3271   69%
44/64
46%
29/63
43%
21.5/50
33%
10.5/32
33%
10.5/32
    
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-bit3229    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
2.4
64-bit
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-bit3175    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-bit3133      53%
17/32
44%
14/32
    
NirvanaChess 2.4 64-bit3132      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-bit3113      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-bit3109      52%
16.5/32
41%
13/32
31%
10/32
   
Protector 1.9.0 64-bit3088      59%
19/32
47%
15/32
42%
13.5/32
28%
9/32
  
Senpai 2.0 64-bit3085      55%
17.5/32
56%
18/32
44%
14/32
36%
11.5/32
  
chess22k 1.13 64-bit3084       53%
17/32
30%
9.5/32
30%
9.5/32
  
Demolito 2019-10-08 64-bit3078       64%
20.5/32
41%
13/32
   
SmarThink 1.98 64-bit3045      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-bit3020      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
2.4
64-bit
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 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
  
Dirty CUCUMBER 64-bit2927        73%
23.5/32
58%
18.5/32
  
Spark 1.0 64-bit2927        66%
21/32
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-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-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
2.4
64-bit
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-bit2770          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-bit2739          81%
14.5/18
0%
0/1
Chess Tiger 2007.12714          75%
13.5/18
37%
40/109
Colossus 2008b2642          100%
4/4
48%
38/79
Cyrano 0.6b17 64-bit2640          88%
3.5/4
43%
27.5/64
Rodin 8.02640          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 0.82611          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 January 16, 2021