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 15 engines!
15 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+
1Counter 3.4 64-bit 4CPU2966+18−1852.6%−17.340.5%1007 
99.1%
 Counter 3.5 64-bit2932+21−2152.5%−15.437.1%727
99.9%
 Counter 3.4 64-bit2888+18−1849.7%+1.939.2%945
80.4%
 Counter 3.3 64-bit2876+19−1949.6%+2.334.0%932
97.5%
 Counter 3.2 64-bit2848+21−2152.1%−16.735.4%745
99.9%
 Counter 3.1 64-bit2795+25−2555.1%−33.028.9%571
100.0%
 Counter 2.9 64-bit2702+20−2049.5%+5.426.6%920
100.0%
 Counter 2.8 64-bit2642+21−2150.6%−3.428.4%800
61.1%
 Counter 2.7 64-bit2634+53−5259.1%−64.323.6%127
97.1%
 Counter 2.0.2 64-bit2576+28−2849.7%+1.426.7%430
48.1%
 Counter 2.5 64-bit2576+21−2147.3%+20.330.3%775
88.3%
 Counter 2.1.0 64-bit2560+18−1846.1%+27.228.0%1114
85.9%
 Counter 2.0.1 64-bit2546+19−1943.6%+43.028.7%924
100.0%
 Counter 1.99 64-bit2451+23−2343.8%+42.828.0%640
63.4%
 Counter 1.22447+10−948.0%+13.436.0%3950
 

Results matrix

Custom engine selection
#NameElo123456789101112131415
1Counter 3.4 64-bit 4CPU2966               
2Counter 3.5 64-bit2932               
3Counter 3.4 64-bit2888               
4Counter 3.3 64-bit2876               
5Counter 3.2 64-bit2848               
6Counter 3.1 64-bit2795               
7Counter 2.9 64-bit2702               
8Counter 2.8 64-bit2642               
9Counter 2.7 64-bit2634               
10Counter 2.0.2 64-bit2576               
11Counter 2.5 64-bit2576               
12Counter 2.1.0 64-bit2560               
13Counter 2.0.1 64-bit2546               
14Counter 1.99 64-bit2451               
15Counter 1.22447               
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
#NameElo123456789101112131415
1Counter 3.4 64-bit 4CPU2966 99.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Counter 3.5 64-bit29320.9 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Counter 3.4 64-bit28880.00.1 80.499.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Counter 3.3 64-bit28760.00.019.6 97.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Counter 3.2 64-bit28480.00.00.22.4 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Counter 3.1 64-bit27950.00.00.00.00.1 100.0100.0100.0100.0100.0100.0100.0100.0100.0
7Counter 2.9 64-bit27020.00.00.00.00.00.0 100.099.0100.0100.0100.0100.0100.0100.0
8Counter 2.8 64-bit26420.00.00.00.00.00.00.0 61.1100.0100.0100.0100.0100.0100.0
9Counter 2.7 64-bit26340.00.00.00.00.00.01.038.9 97.197.699.599.9100.0100.0
10Counter 2.0.2 64-bit25760.00.00.00.00.00.00.00.02.9 48.182.195.6100.0100.0
11Counter 2.5 64-bit25760.00.00.00.00.00.00.00.02.451.9 88.398.4100.0100.0
12Counter 2.1.0 64-bit25600.00.00.00.00.00.00.00.00.517.911.7 85.9100.0100.0
13Counter 2.0.1 64-bit25460.00.00.00.00.00.00.00.00.14.31.614.1 100.0100.0
14Counter 1.99 64-bit24510.00.00.00.00.00.00.00.00.00.00.00.00.0 63.4
15Counter 1.224470.00.00.00.00.00.00.00.00.00.00.00.00.036.6 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112131415
1Counter 3.4 64-bit 4CPU2966 1825612551896000000000
2Counter 3.5 64-bit2932182 11325809000000000
3Counter 3.4 64-bit2888561113 28738390951030000000
4Counter 3.3 64-bit2876255258287 13516300000000
5Counter 3.2 64-bit28481890383135 1366500000000
6Counter 3.1 64-bit2795699016136 10428401099907
7Counter 2.9 64-bit27020095365104 11231091218937
8Counter 2.8 64-bit26420010300284112 72372727003
9Counter 2.7 64-bit2634000000372 000000
10Counter 2.0.2 64-bit257600000101030 357496373621
11Counter 2.5 64-bit25760000099720357 13011110024
12Counter 2.1.0 64-bit2560000009127204961301 1202255271
13Counter 2.0.1 64-bit254600000918970037311101202 247204
14Counter 1.99 64-bit245100000030060255247 882
15Counter 1.224470000077302124271204882 
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
#NameElo123456789101112131415
1Counter 3.4 64-bit 4CPU2966 10.528.713.210.80.40.00.00.00.00.00.00.00.00.0
2Counter 3.5 64-bit293210.5 6.815.60.00.70.00.00.00.00.00.00.00.00.0
3Counter 3.4 64-bit288828.76.8 15.322.75.95.15.90.00.00.00.00.00.00.0
4Counter 3.3 64-bit287613.215.615.3 8.11.10.20.00.00.00.00.00.00.00.0
5Counter 3.2 64-bit284810.80.022.78.1 10.33.90.00.00.00.00.00.00.00.0
6Counter 3.1 64-bit27950.40.75.91.110.3 7.020.70.01.00.70.50.60.00.2
7Counter 2.9 64-bit27020.00.05.10.23.97.0 6.50.30.70.50.610.20.20.1
8Counter 2.8 64-bit26420.00.05.90.00.020.76.5 7.80.24.63.84.10.00.1
9Counter 2.7 64-bit26340.00.00.00.00.00.00.37.8 0.00.00.00.00.00.0
10Counter 2.0.2 64-bit25760.00.00.00.00.01.00.70.20.0 29.632.127.50.60.5
11Counter 2.5 64-bit25760.00.00.00.00.00.70.54.60.029.6 68.965.30.00.5
12Counter 2.1.0 64-bit25600.00.00.00.00.00.50.63.80.032.168.9 59.014.55.4
13Counter 2.0.1 64-bit25460.00.00.00.00.00.610.24.10.027.565.359.0 15.84.2
14Counter 1.99 64-bit24510.00.00.00.00.00.00.20.00.00.60.014.515.8 19.2
15Counter 1.224470.00.00.00.00.00.20.10.10.00.50.55.44.219.2 
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 82 common opponents

Custom engine selection
NameEloCounter
3.4
64-bit
4CPU
Counter
3.5
64-bit
Counter
3.4
64-bit
Counter
3.3
64-bit
Counter
3.2
64-bit
Counter
3.1
64-bit
Counter
2.9
64-bit
Counter
2.8
64-bit
Counter
2.7
64-bit
Counter
2.0.2
64-bit
Counter
2.5
64-bit
Counter
2.1.0
64-bit
Counter
2.0.1
64-bit
Counter
1.99
64-bit
Counter
1.2
Atlas 3.91 64-bit292361%
19.5/32
55%
28.5/52
 41%
13/32
           
EXchess 7.97b 64-bit2916   39%
12.5/32
 100%
1/1
         
DiscoCheck 5.2.1 64-bit291253%
15.5/29
 39%
24.5/63
 31%
10/32
          
Zurichess Neuchatel 64-bit290365%
20/31
 43%
27/63
50%
16.5/33
39%
13/33
          
Quazar 0.4 64-bit290166%
20.5/31
 53%
33.5/63
38%
12/32
           
Tucano 8.00 64-bit2896 58%
30.5/53
 45%
14/31
           
Daydreamer 2.0.0-pre2 64-bit289169%
21.5/31
 49%
31/63
62%
20.5/33
41%
13.5/33
0%
0/1
         
Murka 3 64-bit288270%
21/30
 55%
34.5/63
            
The Baron 3.44 64-bit2882 45%
23.5/52
   50%
0.5/1
         
Asymptote 0.7 64-bit2881 65%
34/52
 47%
15/32
           
Gaviota 1.0 64-bit2872 65%
34.5/53
 0%
0/1
 100%
1/1
         
DisasterArea 1.65 64-bit2869 55%
28.5/52
 50%
0.5/1
           
Zappa Mexico II 64-bit284548%
21.5/45
70%
37/53
55%
33/60
  0%
0/1
         
Tornado 8.0 64-bit2828  59%
37/63
  50%
14/28
 38%
15/40
       
Octochess r5506 64-bit2820   0%
0/1
53%
17.5/33
0%
0/1
         
Monolith 1.0 64-bit2818  66%
41.5/63
 52%
17/33
 39%
12.5/32
        
Rhetoric 1.4.3 64-bit2806    61%
20/33
42%
13.5/32
         
RuyDos 1.1.6 64-bit2798     38%
12.5/33
 24%
9.5/40
       
Cheese 2.0 64-bit2770   50%
0.5/1
 65%
19.5/30
         
Frenzee 3.5.19 64-bit2769    66%
21/32
62%
20.5/33
         
NameEloCounter
3.4
64-bit
4CPU
Counter
3.5
64-bit
Counter
3.4
64-bit
Counter
3.3
64-bit
Counter
3.2
64-bit
Counter
3.1
64-bit
Counter
2.9
64-bit
Counter
2.8
64-bit
Counter
2.7
64-bit
Counter
2.0.2
64-bit
Counter
2.5
64-bit
Counter
2.1.0
64-bit
Counter
2.0.1
64-bit
Counter
1.99
64-bit
Counter
1.2
Gogobello 1.4 64-bit2755     67%
18/27
 36%
14.5/40
       
Karballo 1.8 64-bit2729   50%
0.5/1
 53%
17.5/33
         
Donna 4.1 64-bit2697   0%
0/1
  52%
16.5/32
        
Arminius 2017-01-01 64-bit2688     62%
20.5/33
        0%
0/1
Djinn 1.021 64-bit2674      43%
29.5/69
     38%
11.5/30
  
RedQueen 1.1.98 64-bit2667     76%
25/33
55%
38/69
45%
18/40
 50%
0.5/1
     
Gandalf 7 64-bit2665     100%
1/1
56%
38.5/69
        
Alaric 7072663      51%
36/70
     38%
11.5/30
  
ECE X3 64-bit2655      50%
0.5/1
  0%
0/1
     
Cyrano 0.6b17 64-bit2640     100%
1/1
50%
0.5/1
  0%
0/1
     
WyldChess 1.51 64-bit2628          39%
12.5/32
47%
15/32
   
WildCat 82624         42%
12.5/30
67%
21.5/32
39%
12.5/32
58%
18.5/32
  
Movei 00.8.438 (10 10 10)2622          47%
15/32
53%
17/32
47%
15/32
  
GreKo 2016 64-bit2619         38%
11.5/30
 37%
11.5/31
44%
14/32
  
Philou 3.7.1 64-bit2619          48%
15.5/32
30%
9.5/32
23%
7.5/32
  
DanaSah 7.32618     100%
1/1
 50%
20/40
       
Slow Chess Blitz WV2.12615          48%
15.5/32
50%
16/32
28%
9/32
  
Glass 2.0 64-bit2612       62%
25/40
  36%
11.5/32
47%
15/32
42%
12.5/30
 0%
0/1
Rotor 0.82612      50%
0.5/1
   29%
9/31
50%
16/32
33%
10.5/32
  
Jellyfish 1.1 64-bit2610      0%
0/1
   55%
17.5/32
48%
15.5/32
28%
9/32
  
NameEloCounter
3.4
64-bit
4CPU
Counter
3.5
64-bit
Counter
3.4
64-bit
Counter
3.3
64-bit
Counter
3.2
64-bit
Counter
3.1
64-bit
Counter
2.9
64-bit
Counter
2.8
64-bit
Counter
2.7
64-bit
Counter
2.0.2
64-bit
Counter
2.5
64-bit
Counter
2.1.0
64-bit
Counter
2.0.1
64-bit
Counter
1.99
64-bit
Counter
1.2
Ruffian 2.1.02609     0%
0/1
    59%
19/32
42%
13.5/32
31%
10/32
  
GarboChess 2.20 64-bit2607          45%
14.5/32
42%
13.5/32
38%
12/32
  
Amyan 1.722604          40%
11.5/29
34%
11/32
27%
8.5/32
 0%
0/1
Pharaon 3.5.12603     100%
1/1
    36%
11.5/32
44%
14/32
42%
13.5/32
 50%
0.5/1
DanaSah 7.02598         50%
15/30
36%
10.5/29
    
N2 0.4 64-bit2589      100%
1/1
   41%
12/29
   50%
0.5/1
K2 0.872586         30%
9/30
50%
14/28
38%
11.5/30
   
Floyd 0.9 64-bit2585          68%
21/31
38%
12/32
47%
15/32
  
Hamsters 0.7.12580          40%
11.5/29
48%
15.5/32
34%
11/32
  
Muse 0.953 64-bit2577          53%
15.5/29
48%
15.5/32
35%
11/31
 100%
1/1
Pseudo 0.7c2575     100%
1/1
   0%
0/1
36%
10/28
 47%
14/30
 100%
1/1
SOS 5.12572          48%
14/29
48%
15.5/32
45%
13.5/30
 50%
0.5/1
Maverick 1.5 64-bit2570         47%
14.5/31
61%
17/28
61%
19.5/32
50%
14/28
  
Aristarch 4.502568         62%
18.5/30
52%
13/25
52%
16.5/32
53%
16/30
  
nanoSzachy 4.1 64-bit2562         100%
1/1
42%
10.5/25
44%
13.5/31
  0%
0/1
Brutus 8.05 64-bit2560         67%
20/30
45%
12.5/28
42%
13.5/32
   
Ghost 3.1 64-bit2548     100%
1/1
   43%
13/30
 50%
16/32
   
Betsabe II 1.842542      100%
1/1
55%
22/40
62%
20/32
      
Pupsi2 0.092541         66%
20.5/31
  63%
19/30
  
Ufim 8.022541           52%
16.5/32
 44%
14/32
45%
13.5/30
NameEloCounter
3.4
64-bit
4CPU
Counter
3.5
64-bit
Counter
3.4
64-bit
Counter
3.3
64-bit
Counter
3.2
64-bit
Counter
3.1
64-bit
Counter
2.9
64-bit
Counter
2.8
64-bit
Counter
2.7
64-bit
Counter
2.0.2
64-bit
Counter
2.5
64-bit
Counter
2.1.0
64-bit
Counter
2.0.1
64-bit
Counter
1.99
64-bit
Counter
1.2
Capivara LK 0.09b02g 64-bit2539      0%
0/1
  48%
14/29
 50%
16/32
  0%
0/1
Shield 1.3.1 64-bit2539         60%
18/30
  58%
17.5/30
  
AnMon 5.752538      100%
1/1
    58%
18.5/32
60%
18/30
38%
12/32
37%
11.5/31
Fridolin 2.00 64-bit2538           52%
16.5/32
 31%
9.5/31
48%
15.5/32
Hermann 2.8 64-bit2531           42%
13.5/32
 44%
14/32
 
JikChess 0.02 64-bit2522           55%
17.5/32
  43%
12.5/29
Coiled 0.4 64-bit2509             0%
0/4
52%
16/31
Dorky 4.5 64-bit2505             47%
15/32
38%
12/32
Yace 0.99.872504             47%
15/32
33%
10/30
Little Goliath Evolution 3.122503         50%
0.5/1
  60%
18/30
52%
16/31
29%
9/31
Betsabe II 1.662495             33%
10.5/32
42%
13.5/32
Bruja 1.9.1 64-bit2490             36%
11.5/32
52%
15.5/30
Tao 5.62487             35%
11/31
52%
16/31
Mephisto Gideon Professional2474             42%
13.5/32
45%
9.5/21
Cerebro 3.03d2471             47%
15/32
43%
12.5/29
Kiwi 0.6d 64-bit2470             52%
16.5/32
45%
13.5/30
Schooner 1.7.0 64-bit2464             48%
15.5/32
41%
13/32
LittleThought 1.052 64-bit2453         100%
1/1
  72%
21.5/30
53%
17/32
52%
16/31
Matacz 1.42445            75%
22.5/30
47%
15/32
100%
1/1
Ares 1.005.2 64-bit2441         100%
1/1
    58%
17.5/30
NameEloCounter
3.4
64-bit
4CPU
Counter
3.5
64-bit
Counter
3.4
64-bit
Counter
3.3
64-bit
Counter
3.2
64-bit
Counter
3.1
64-bit
Counter
2.9
64-bit
Counter
2.8
64-bit
Counter
2.7
64-bit
Counter
2.0.2
64-bit
Counter
2.5
64-bit
Counter
2.1.0
64-bit
Counter
2.0.1
64-bit
Counter
1.99
64-bit
Counter
1.2
Gaia 3.5 64-bit2424         100%
1/1
    48%
14.5/30
Giraffe 20161023 64-bit2371         0%
0/1
    50%
0.5/1
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