CCRL Blitz
Downloads and Statistics
August 1, 2020
Testing summary:
Total: 2'344'796 games
played by 2'763 programs

White wins: 903'383 (38.5%)
Black wins: 726'503 (31.0%)
Draws: 714'910 (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 August 1, 2020 with Bayeselo based on 2'344'796 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 4CPU2969+18−1852.9%−19.440.6%948 
98.6%
 Counter 3.5 64-bit2936+22−2254.3%−27.136.9%664
99.9%
 Counter 3.4 64-bit2888+18−1849.7%+2.039.2%945
80.4%
 Counter 3.3 64-bit2876+19−1949.6%+2.234.0%932
97.4%
 Counter 3.2 64-bit2848+21−2152.1%−16.135.4%745
99.9%
 Counter 3.1 64-bit2796+25−2555.1%−33.628.9%571
100.0%
 Counter 2.9 64-bit2702+20−2049.5%+5.626.6%920
100.0%
 Counter 2.8 64-bit2642+21−2150.6%−3.428.4%800
61.2%
 Counter 2.7 64-bit2634+53−5259.1%−64.623.6%127
97.6%
 Counter 2.5 64-bit2576+21−2147.3%+20.230.3%775
52.4%
 Counter 2.0.2 64-bit2575+28−2849.7%+2.026.7%430
81.6%
 Counter 2.1.0 64-bit2560+18−1846.1%+27.128.0%1114
86.1%
 Counter 2.0.1 64-bit2546+19−2043.6%+42.928.7%924
100.0%
 Counter 1.99 64-bit2451+23−2343.8%+42.828.0%640
63.4%
 Counter 1.22447+9−1048.0%+13.436.0%3950
 

Results matrix

Custom engine selection
#NameElo123456789101112131415
1Counter 3.4 64-bit 4CPU2969               
2Counter 3.5 64-bit2936               
3Counter 3.4 64-bit2888               
4Counter 3.3 64-bit2876               
5Counter 3.2 64-bit2848               
6Counter 3.1 64-bit2796               
7Counter 2.9 64-bit2702               
8Counter 2.8 64-bit2642               
9Counter 2.7 64-bit2634               
10Counter 2.5 64-bit2576               
11Counter 2.0.2 64-bit2575               
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 4CPU2969 98.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Counter 3.5 64-bit29361.4 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Counter 3.4 64-bit28880.00.1 80.499.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Counter 3.3 64-bit28760.00.019.6 97.4100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Counter 3.2 64-bit28480.00.00.32.6 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Counter 3.1 64-bit27960.00.00.00.00.1 100.0100.0100.0100.0100.0100.0100.0100.0100.0
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 61.2100.0100.0100.0100.0100.0100.0
9Counter 2.7 64-bit26340.00.00.00.00.00.01.038.7 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-bit25600.00.00.00.00.00.00.00.00.511.818.4 86.1100.0100.0
13Counter 2.0.1 64-bit25460.00.00.00.00.00.00.00.00.11.64.413.9 100.0100.0
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 4CPU2969 1825612551896000000000
2Counter 3.5 64-bit2936182 11325809000000000
3Counter 3.4 64-bit2888561113 28738390951030000000
4Counter 3.3 64-bit2876255258287 13516300000000
5Counter 3.2 64-bit28481890383135 1366500000000
6Counter 3.1 64-bit2796699016136 10428409109907
7Counter 2.9 64-bit27020095365104 11239101218937
8Counter 2.8 64-bit26420010300284112 72723727003
9Counter 2.7 64-bit2634000000372 000000
10Counter 2.5 64-bit25760000099720 35713011110024
11Counter 2.0.2 64-bit257500000101030357 496373621
12Counter 2.1.0 64-bit2560000009127201301496 1202255271
13Counter 2.0.1 64-bit254600000918970011103731202 247204
14Counter 1.99 64-bit245100000030006255247 882
15Counter 1.224470000077302421271204882 
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 4CPU2969 11.329.613.611.20.40.00.00.00.00.00.00.00.00.0
2Counter 3.5 64-bit293611.3 7.016.20.00.70.00.00.00.00.00.00.00.00.0
3Counter 3.4 64-bit288829.67.0 15.322.75.95.15.90.00.00.00.00.00.00.0
4Counter 3.3 64-bit287613.616.215.3 8.11.10.20.00.00.00.00.00.00.00.0
5Counter 3.2 64-bit284811.20.022.78.1 10.33.90.00.00.00.00.00.00.00.0
6Counter 3.1 64-bit27960.40.75.91.110.3 7.020.70.00.71.00.50.60.00.2
7Counter 2.9 64-bit27020.00.05.10.23.97.0 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-bit26340.00.00.00.00.00.00.37.8 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-bit25600.00.00.00.00.00.50.63.80.068.932.1 59.014.55.4
13Counter 2.0.1 64-bit25460.00.00.00.00.00.610.24.10.065.327.559.0 15.84.2
14Counter 1.99 64-bit24510.00.00.00.00.00.00.20.00.00.00.614.515.8 19.2
15Counter 1.224470.00.00.00.00.00.20.10.10.00.50.55.44.219.2 
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
2.5
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-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-bit291353%
15.5/29
 39%
24.5/63
 31%
10/32
          
Quazar 0.4 64-bit290166%
20.5/31
 53%
33.5/63
38%
12/32
           
Zurichess Neuchatel 64-bit290165%
20/31
 43%
27/63
50%
16.5/33
39%
13/33
          
Tucano 8.00 64-bit2894 58%
30.5/53
 45%
14/31
           
Daydreamer 2.0.0-pre2 64-bit289269%
21.5/31
 49%
31/63
62%
20.5/33
41%
13.5/33
0%
0/1
         
The Baron 3.44 64-bit2886 45%
23.5/52
   50%
0.5/1
         
Murka 3 64-bit288270%
21/30
 55%
34.5/63
            
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-bit2868 55%
28.5/52
 50%
0.5/1
           
Zappa Mexico II 64-bit284648%
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-bit2823   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-bit2771   50%
0.5/1
 65%
19.5/30
         
Frenzee 3.5.19 64-bit2770    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
2.5
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
Gogobello 1.4 64-bit2755     67%
18/27
 36%
14.5/40
       
Karballo 1.8 64-bit2730   50%
0.5/1
 53%
17.5/33
         
Donna 4.1 64-bit2696   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-bit2629         39%
12.5/32
 47%
15/32
   
WildCat 82624         67%
21.5/32
42%
12.5/30
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 7.32617     100%
1/1
 50%
20/40
       
Slow Chess Blitz WV2.12615         48%
15.5/32
 50%
16/32
28%
9/32
  
Rotor 0.82612      50%
0.5/1
  29%
9/31
 50%
16/32
33%
10.5/32
  
Glass 2.0 64-bit2611       62%
25/40
 36%
11.5/32
 47%
15/32
42%
12.5/30
 0%
0/1
Jellyfish 1.1 64-bit2611      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
2.5
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
Ruffian 2.1.02609     0%
0/1
   59%
19/32
 42%
13.5/32
31%
10/32
  
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 7.02598         36%
10.5/29
50%
15/30
    
N2 0.4 64-bit2590      100%
1/1
  41%
12/29
    50%
0.5/1
K2 0.872586         50%
14/28
30%
9/30
38%
11.5/30
   
Floyd 0.9 64-bit2583         68%
21/31
 38%
12/32
47%
15/32
  
Hamsters 0.7.12579         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 0.7c2576     100%
1/1
   36%
10/28
0%
0/1
 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-bit2569         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-bit2562         42%
10.5/25
100%
1/1
44%
13.5/31
  0%
0/1
Brutus 8.05 64-bit2559         45%
12.5/28
67%
20/30
42%
13.5/32
   
Ghost 3.1 64-bit2553     100%
1/1
    43%
13/30
50%
16/32
   
Betsabe II 1.842542      100%
1/1
55%
22/40
62%
20/32
      
Ufim 8.022540           52%
16.5/32
 44%
14/32
45%
13.5/30
AnMon 5.752539      100%
1/1
    58%
18.5/32
60%
18/30
38%
12/32
37%
11.5/31
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-bit2539          60%
18/30
 58%
17.5/30
  
Fridolin 2.00 64-bit2538           52%
16.5/32
 31%
9.5/31
48%
15.5/32
Pupsi2 0.092538          66%
20.5/31
 63%
19/30
  
Capivara LK 0.09b02g 64-bit2536      0%
0/1
   48%
14/29
50%
16/32
  0%
0/1
Hermann 2.8 64-bit2532           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
Little Goliath Evolution 3.122504          50%
0.5/1
 60%
18/30
52%
16/31
29%
9/31
Yace 0.99.872504             47%
15/32
33%
10/30
Betsabe II 1.662495             33%
10.5/32
42%
13.5/32
Bruja 1.9.1 64-bit2489             36%
11.5/32
52%
15.5/30
Tao 5.62488             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-bit2469             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 1.42446            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
2.5
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
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 August 1, 2020