CCRL Blitz
Downloads and Statistics
May 23, 2020
Testing summary:
Total: 2'287'484 games
played by 2'678 programs

White wins: 881'800 (38.5%)
Black wins: 709'870 (31.0%)
Draws: 695'814 (30.4%)
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 May 23, 2020 with Bayeselo based on 2'287'484 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 4CPU2958+23−2346.9%+18.741.0%580 
84.9%
 Counter 3.5 64-bit2939+26−2658.5%−54.336.9%472
99.9%
 Counter 3.4 64-bit2887+18−1849.7%+2.339.2%945
80.8%
 Counter 3.3 64-bit2876+19−1949.6%+1.534.0%932
97.3%
 Counter 3.2 64-bit2848+21−2152.1%−16.635.4%745
99.9%
 Counter 3.1 64-bit2795+25−2455.1%−33.028.9%571
100.0%
 Counter 2.9 64-bit2701+19−2049.5%+5.826.6%920
100.0%
 Counter 2.8 64-bit2642+21−2150.6%−4.028.4%800
61.3%
 Counter 2.7 64-bit2633+53−5259.1%−64.123.6%127
97.6%
 Counter 2.5 64-bit2576+21−2147.3%+19.430.3%775
52.4%
 Counter 2.0.2 64-bit2575+28−2849.7%+1.226.7%430
81.6%
 Counter 2.1.0 64-bit2559+18−1846.1%+27.428.0%1114
86.1%
 Counter 2.0.1 64-bit2545+19−2043.6%+43.128.7%924
100.0%
 Counter 1.99 64-bit2451+23−2343.8%+42.428.0%640
64.0%
 Counter 1.22446+10−1048.0%+13.936.0%3950
 

Results matrix

Custom engine selection
#NameElo123456789101112131415
1Counter 3.4 64-bit 4CPU2958               
2Counter 3.5 64-bit2939               
3Counter 3.4 64-bit2887               
4Counter 3.3 64-bit2876               
5Counter 3.2 64-bit2848               
6Counter 3.1 64-bit2795               
7Counter 2.9 64-bit2701               
8Counter 2.8 64-bit2642               
9Counter 2.7 64-bit2633               
10Counter 2.5 64-bit2576               
11Counter 2.0.2 64-bit2575               
12Counter 2.1.0 64-bit2559               
13Counter 2.0.1 64-bit2545               
14Counter 1.99 64-bit2451               
15Counter 1.22446               
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 4CPU2958 84.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Counter 3.5 64-bit293915.1 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Counter 3.4 64-bit28870.00.1 80.899.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Counter 3.3 64-bit28760.00.019.2 97.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Counter 3.2 64-bit28480.00.00.32.7 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-bit27010.00.00.00.00.00.0 100.099.0100.0100.0100.0100.0100.0100.0
8Counter 2.8 64-bit26420.00.00.00.00.00.00.0 61.3100.0100.0100.0100.0100.0100.0
9Counter 2.7 64-bit26330.00.00.00.00.00.01.038.7 97.697.299.599.9100.0100.0
10Counter 2.5 64-bit25760.00.00.00.00.00.00.00.02.4 52.488.298.4100.0100.0
11Counter 2.0.2 64-bit25750.00.00.00.00.00.00.00.02.847.6 81.695.5100.0100.0
12Counter 2.1.0 64-bit25590.00.00.00.00.00.00.00.00.511.818.4 86.1100.0100.0
13Counter 2.0.1 64-bit25450.00.00.00.00.00.00.00.00.11.64.513.9 100.0100.0
14Counter 1.99 64-bit24510.00.00.00.00.00.00.00.00.00.00.00.00.0 64.0
15Counter 1.224460.00.00.00.00.00.00.00.00.00.00.00.00.036.0 
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 4CPU2958 98105003000000000
2Counter 3.5 64-bit293998 11325809000000000
3Counter 3.4 64-bit2887105113 28738390951030000000
4Counter 3.3 64-bit28760258287 13516300000000
5Counter 3.2 64-bit284800383135 1366500000000
6Counter 3.1 64-bit2795399016136 10428409109907
7Counter 2.9 64-bit27010095365104 11239101218937
8Counter 2.8 64-bit26420010300284112 72723727003
9Counter 2.7 64-bit2633000000372 000000
10Counter 2.5 64-bit25760000099720 35713011110024
11Counter 2.0.2 64-bit257500000101030357 496373621
12Counter 2.1.0 64-bit2559000009127201301496 1202255271
13Counter 2.0.1 64-bit254500000918970011103731202 247204
14Counter 1.99 64-bit245100000030006255247 882
15Counter 1.224460000077302421271204882 
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 4CPU2958 9.36.90.00.00.30.00.00.00.00.00.00.00.00.0
2Counter 3.5 64-bit29399.3 8.018.40.00.90.00.00.00.00.00.00.00.00.0
3Counter 3.4 64-bit28876.98.0 15.322.75.95.15.90.00.00.00.00.00.00.0
4Counter 3.3 64-bit28760.018.415.3 8.11.10.20.00.00.00.00.00.00.00.0
5Counter 3.2 64-bit28480.00.022.78.1 10.33.90.00.00.00.00.00.00.00.0
6Counter 3.1 64-bit27950.30.95.91.110.3 7.020.70.00.71.00.50.60.00.2
7Counter 2.9 64-bit27010.00.05.10.23.97.0 6.50.30.50.70.610.20.20.1
8Counter 2.8 64-bit26420.00.05.90.00.020.76.5 7.84.60.23.84.10.00.1
9Counter 2.7 64-bit26330.00.00.00.00.00.00.37.8 0.00.00.00.00.00.0
10Counter 2.5 64-bit25760.00.00.00.00.00.70.54.60.0 29.668.965.30.00.5
11Counter 2.0.2 64-bit25750.00.00.00.00.01.00.70.20.029.6 32.127.50.60.5
12Counter 2.1.0 64-bit25590.00.00.00.00.00.50.63.80.068.932.1 59.014.55.4
13Counter 2.0.1 64-bit25450.00.00.00.00.00.610.24.10.065.327.559.0 15.84.2
14Counter 1.99 64-bit24510.00.00.00.00.00.00.20.00.00.00.614.515.8 19.2
15Counter 1.224460.00.00.00.00.00.20.10.10.00.50.55.44.219.2 
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 81 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
2.5
64-bit
Counter
2.0.2
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-bit2924 55%
28.5/52
 41%
13/32
           
EXchess 7.97b 64-bit2916   39%
12.5/32
 100%
1/1
         
DiscoCheck 5.2.1 64-bit2913  39%
24.5/63
 31%
10/32
          
Zurichess Neuchatel 64-bit2901  43%
27/63
50%
16.5/33
39%
13/33
          
Quazar 0.4 64-bit2900  53%
33.5/63
38%
12/32
           
Daydreamer 2.0.0-pre2 64-bit2892  49%
31/63
62%
20.5/33
41%
13.5/33
0%
0/1
         
Tucano 8.00 64-bit2892 58%
30.5/53
 45%
14/31
           
The Baron 3.44 64-bit2885 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-bit2867 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-bit2827  59%
37/63
  50%
14/28
 38%
15/40
       
Octochess r5506 64-bit2822   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
         
Gogobello 1.4 64-bit2754     67%
18/27
 36%
14.5/40
       
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
2.5
64-bit
Counter
2.0.2
64-bit
Counter
2.1.0
64-bit
Counter
2.0.1
64-bit
Counter
1.99
64-bit
Counter
1.2
Karballo 1.8 64-bit2729   50%
0.5/1
 53%
17.5/33
         
Donna 4.1 64-bit2695   0%
0/1
  52%
16.5/32
        
Arminius 2017-01-01 64-bit2687     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
    
Alaric 7072662      51%
36/70
     38%
11.5/30
  
Gandalf 7 64-bit2662     100%
1/1
56%
38.5/69
        
ECE X3 64-bit2654      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-bit2627         39%
12.5/32
 47%
15/32
   
WildCat 82623         67%
21.5/32
42%
12.5/30
39%
12.5/32
58%
18.5/32
  
Movei 00.8.438 (10 10 10)2621         47%
15/32
 53%
17/32
47%
15/32
  
GreKo 2016 64-bit2618          38%
11.5/30
37%
11.5/31
44%
14/32
  
Philou 3.7.1 64-bit2618         48%
15.5/32
 30%
9.5/32
23%
7.5/32
  
DanaSah 7.32617     100%
1/1
 50%
20/40
       
Slow Chess Blitz WV2.12614         48%
15.5/32
 50%
16/32
28%
9/32
  
Rotor 0.82611      50%
0.5/1
  29%
9/31
 50%
16/32
33%
10.5/32
  
Glass 2.0 64-bit2610       62%
25/40
 36%
11.5/32
 47%
15/32
42%
12.5/30
 0%
0/1
Jellyfish 1.1 64-bit2610      0%
0/1
  55%
17.5/32
 48%
15.5/32
28%
9/32
  
Ruffian 2.1.02608     0%
0/1
   59%
19/32
 42%
13.5/32
31%
10/32
  
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
2.5
64-bit
Counter
2.0.2
64-bit
Counter
2.1.0
64-bit
Counter
2.0.1
64-bit
Counter
1.99
64-bit
Counter
1.2
GarboChess 2.20 64-bit2606         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 7.02597         36%
10.5/29
50%
15/30
    
N2 0.4 64-bit2589      100%
1/1
  41%
12/29
    50%
0.5/1
K2 0.872585         50%
14/28
30%
9/30
38%
11.5/30
   
Floyd 0.9 64-bit2582         68%
21/31
 38%
12/32
47%
15/32
  
Hamsters 0.7.12578         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
   36%
10/28
0%
0/1
 47%
14/30
 100%
1/1
SOS 5.12571         48%
14/29
 48%
15.5/32
45%
13.5/30
 50%
0.5/1
Maverick 1.5 64-bit2568         61%
17/28
47%
14.5/31
61%
19.5/32
50%
14/28
  
Aristarch 4.502567         52%
13/25
62%
18.5/30
52%
16.5/32
53%
16/30
  
nanoSzachy 4.1 64-bit2561         42%
10.5/25
100%
1/1
44%
13.5/31
  0%
0/1
Brutus 8.05 64-bit2558         45%
12.5/28
67%
20/30
42%
13.5/32
   
Ghost 3.1 64-bit2552     100%
1/1
    43%
13/30
50%
16/32
   
Betsabe II 1.842542      100%
1/1
55%
22/40
62%
20/32
      
Ufim 8.022539           52%
16.5/32
 44%
14/32
45%
13.5/30
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
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
2.5
64-bit
Counter
2.0.2
64-bit
Counter
2.1.0
64-bit
Counter
2.0.1
64-bit
Counter
1.99
64-bit
Counter
1.2
Shield 1.3.1 64-bit2538          60%
18/30
 58%
17.5/30
  
Pupsi2 0.092537          66%
20.5/31
 63%
19/30
  
Capivara LK 0.09b02g 64-bit2535      0%
0/1
   48%
14/29
50%
16/32
  0%
0/1
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-bit2508             0%
0/4
52%
16/31
Dorky 4.5 64-bit2504             47%
15/32
38%
12/32
Little Goliath Evolution 3.122504          50%
0.5/1
 60%
18/30
52%
16/31
29%
9/31
Yace 0.99.872503             47%
15/32
33%
10/30
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-bit2468             52%
16.5/32
45%
13.5/30
Schooner 1.7.0 64-bit2463             48%
15.5/32
41%
13/32
LittleThought 1.052 64-bit2452          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-bit2440          100%
1/1
   58%
17.5/30
Gaia 3.5 64-bit2425          100%
1/1
   48%
14.5/30
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
2.5
64-bit
Counter
2.0.2
64-bit
Counter
2.1.0
64-bit
Counter
2.0.1
64-bit
Counter
1.99
64-bit
Counter
1.2
Giraffe 20161023 64-bit2370          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 May 23, 2020