CCRL Blitz
Downloads and Statistics
September 26, 2020
Testing summary:
Total: 2'375'566 games
played by 2'806 programs

White wins: 914'963 (38.5%)
Black wins: 735'833 (31.0%)
Draws: 724'770 (30.5%)
White score: 53.8%

Custom engine selection

Comparing 9 engines!
9 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 September 26, 2020 with Bayeselo based on 2'375'566 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+
1Atlas 3.91 64-bit2924+10−1046.4%+22.635.4%3718 
71.7%
 Atlas 3.90 64-bit2914+33−3353.5%−22.334.6%298
98.8%
 Atlas 3.80 64-bit2874+10−1052.6%−17.834.9%3412
100.0%
 Atlas 3.60 64-bit2702+14−1445.9%+29.929.2%1809
99.5%
 Atlas 3.50 64-bit2674+17−1752.4%−17.431.1%1205
100.0%
 Atlas 3.25 64-bit2569+15−1550.4%−2.024.3%1670
98.0%
 Atlas 3.20 64-bit2532+32−3261.2%−93.218.5%410
100.0%
 Atlas 3.14b 64-bit2435+13−1349.9%−0.723.8%2166
100.0%
 Atlas 2.202192+12−1249.6%+1.118.6%2931
 

Results matrix

Custom engine selection
#NameElo123456789
1Atlas 3.91 64-bit2924         
2Atlas 3.90 64-bit2914         
3Atlas 3.80 64-bit2874         
4Atlas 3.60 64-bit2702         
5Atlas 3.50 64-bit2674         
6Atlas 3.25 64-bit2569         
7Atlas 3.20 64-bit2532         
8Atlas 3.14b 64-bit2435         
9Atlas 2.202192         
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
#NameElo123456789
1Atlas 3.91 64-bit2924 71.7100.0100.0100.0100.0100.0100.0100.0
2Atlas 3.90 64-bit291428.3 98.8100.0100.0100.0100.0100.0100.0
3Atlas 3.80 64-bit28740.01.2 100.0100.0100.0100.0100.0100.0
4Atlas 3.60 64-bit27020.00.00.0 99.5100.0100.0100.0100.0
5Atlas 3.50 64-bit26740.00.00.00.5 100.0100.0100.0100.0
6Atlas 3.25 64-bit25690.00.00.00.00.0 98.0100.0100.0
7Atlas 3.20 64-bit25320.00.00.00.00.02.0 100.0100.0
8Atlas 3.14b 64-bit24350.00.00.00.00.00.00.0 100.0
9Atlas 2.2021920.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789
1Atlas 3.91 64-bit2924 35686016681926183
2Atlas 3.90 64-bit2914356 50150070000
3Atlas 3.80 64-bit2874860501 785194785130
4Atlas 3.60 64-bit270216650785 85645388300
5Atlas 3.50 64-bit2674810194856 8112233480
6Atlas 3.25 64-bit2569927078453811 2014870
7Atlas 3.20 64-bit2532605188223201 471290
8Atlas 3.14b 64-bit2435180330348487471 664
9Atlas 2.202192300000290664 
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
#NameElo123456789
1Atlas 3.91 64-bit2924 8.912.13.01.61.70.10.30.0
2Atlas 3.90 64-bit29148.9 13.52.40.03.60.00.00.0
3Atlas 3.80 64-bit287412.113.5 15.04.21.51.30.10.0
4Atlas 3.60 64-bit27023.02.415.0 28.413.04.00.80.0
5Atlas 3.50 64-bit26741.60.04.228.4 28.213.810.30.0
6Atlas 3.25 64-bit25691.73.61.513.028.2 9.712.70.0
7Atlas 3.20 64-bit25320.10.01.34.013.89.7 18.38.7
8Atlas 3.14b 64-bit24350.30.00.10.810.312.718.3 13.0
9Atlas 2.2021920.00.00.00.00.00.08.713.0 
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 124 common opponents

Custom engine selection
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
Protector 1.9.0 64-bit308630%
10/33
 50%
0.5/1
      
iCE 3.0 64-bit308025%
8/32
 0%
0/1
      
Bobcat 8.0 64-bit295942%
14/33
 30%
9.5/32
      
Cheng 4.39 64-bit294247%
15/32
 47%
16/34
      
Amoeba 2.7 64-bit293852%
16.5/32
41%
9.5/23
       
Spark 1.0 64-bit292625%
0.5/2
 56%
18.5/33
      
Deep Sjeng c't 20102925100%
1/1
40%
9.5/24
50%
1/2
      
DiscoCheck 5.2.1 64-bit291262%
20/32
48%
11/23
48%
15/31
      
Zurichess Neuchatel 64-bit290150%
16/32
53%
16/30
59%
34.5/58
      
Quazar 0.4 64-bit290051%
17.5/34
57%
17/30
41%
13/32
  9%
3.5/40
   
chess22k 1.7 64-bit2897 63%
19/30
55%
16.5/30
      
Thinker 5.4d Inert 64-bit2884 58%
14/24
40%
12.5/31
      
Deuterium 14.3.34.130 64-bit288261%
19.5/32
56%
13.5/24
44%
15/34
      
Murka 3 64-bit288165%
20/31
47%
14/30
30%
9/30
30%
6/20
     
Gaviota 1.0 64-bit287183%
2.5/3
 36%
11.5/32
      
Tucano 7.00 64-bit287150%
0.5/1
 48%
28.5/60
      
MinkoChess 1.3 64-bit286856%
17.5/31
 43%
12/28
5%
0.5/10
22%
7/32
    
Dirty 30Apr2017 64-bit286425%
0.5/2
 52%
16/31
      
Nemo 1.0.1 64-bit285762%
20/32
 48%
16/33
      
Zappa Mexico II 64-bit2845100%
2/2
  31%
10/32
     
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
Tornado 8.0 64-bit2826100%
1/1
 66%
21/32
      
Octochess r5506 64-bit2822 62%
18.5/30
70%
19.5/28
      
Rhetoric 1.4.3 64-bit280665%
21.5/33
 65%
21.5/33
      
Scorpio 2.7.5 64-bit2803   40%
4/10
 0%
0/10
   
Gaviota 0.86 64-bit2798   44%
17/39
39%
15.5/40
    
Fruit 2.3.1278075%
1.5/2
 66%
16.5/25
      
The Baron 3.42 64-bit278077%
24.5/32
 70%
21/30
      
Octochess r5190 64-bit277973%
23.5/32
 58%
18/31
52%
16.5/32
     
Rhetoric 1.4.1 64-bit2777  61%
19.5/32
31%
10/32
     
Bright 0.5c277050%
0.5/1
 25%
0.5/2
31%
10/32
     
Twisted Logic 20090922 64-bit2770  68%
21/31
23%
7.5/32
     
Frenzee 3.5.19 64-bit2768  71%
23.5/33
45%
9/20
     
Twisted Logic 20100131x 64-bit2767100%
3/3
 50%
1/2
      
Pawny 1.2 64-bit276683%
2.5/3
 66%
21/32
      
EXchess 7.18b 64-bit2764   52%
10.5/20
50%
5/10
    
Jonny 4.002762  62%
20/32
45%
4.5/10
     
NirvanaChess 1.3 64-bit2761   39%
12.5/32
30%
9.5/32
    
Dirty 20Apr2013 64-bit2760  60%
18.5/31
45%
4.5/10
     
BugChess2 1.9 64-bit2759100%
1/1
 62%
20/32
55%
21.5/39
     
Gogobello 1.4 64-bit2754100%
2/2
 77%
24/31
      
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
Hakkapeliitta 2.0 64-bit2747  69%
22/32
33%
10.5/32
     
Godel 3.4.9 64-bit2741  64%
21/33
38%
11/29
     
Chronos 1.9.9 64-bit2739  71%
23.5/33
58%
18.5/32
45%
14.5/32
    
Arasan 16.2 64-bit2726   70%
7/10
50%
16/32
    
Deuterium 13.1.31.113 64-bit2720   28%
5.5/20
45%
14.5/32
    
iCE 1.0 64-bit2720   62%
12.5/20
41%
13/32
15%
4.5/31
   
Chess Tiger 2007.12713  61%
19/31
48%
14.5/30
61%
19.5/32
    
Bobcat 3.25 64-bit2712  69%
21.5/31
58%
22.5/39
  28%
5.5/20
  
Cheng4 0.35a 64-bit2710   45%
14.5/32
45%
14.5/32
    
RedQueen 1.1.4 64-bit2689   54%
13/24
47%
15/32
    
Delfi 5.42682100%
1/1
  61%
19.5/32
50%
16/32
    
Vajolet 2.482666   71%
5/7
56%
17.5/31
    
Alaric 7072662   55%
5.5/10
56%
18/32
 32%
6/19
  
Nebula 2.0 64-bit265350%
0.5/1
  70%
7/10
35%
3.5/10
45%
4.5/10
   
Pawny 1.0 64-bit2647   83%
7.5/9
 52%
16.5/32
   
Colossus 2008b2641  50%
0.5/1
75%
7.5/10
35%
3.5/10
45%
14.5/32
   
E.T. Chess 13.01.082633   75%
7.5/10
 33%
10.5/32
   
Gandalf 62627   66%
21/32
 42%
13.5/32
   
Vajolet 2.032627   55%
5.5/10
80%
8/10
    
WildCat 82623   65%
6.5/10
 39%
12.5/32
   
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
Movei 00.8.438 (10 10 10)2621   56%
18/32
 44%
14/32
   
Philou 3.7.1 64-bit2619   45%
4.5/10
30%
3/10
30%
6/20
   
Godel 2.3.7 64-bit2617   75%
7.5/10
 31%
10/32
   
Glass 2.0 64-bit2611    56%
23.5/42
31%
10/32
   
Rotor 0.8261150%
0.5/1
  71%
5/7
     
Ruffian 2.1.02608    47%
15/32
39%
12.5/32
   
Amyan 1.722604  0%
0/1
 62%
26/42
48%
15.5/32
 29%
3.5/12
 
Pharaon 3.5.12602    55%
17.5/32
  29%
5/17
 
Djinn 0.987 64-bit2600   61%
5.5/9
58%
24.5/42
52%
16.5/32
   
Glass 1.9 64-bit2600   65%
6.5/10
 44%
14/32
 22%
7/32
 
GarboChess 2.10 64-bit2597    61%
19.5/32
38%
12/32
   
Arminius 2013-08-10 64-bit2596   57%
4/7
70%
22.5/32
    
GNU Chess 5.07.173b 64-bit2596    59%
19/32
59%
19/32
 42%
5/12
 
N2 0.4 64-bit2589100%
1/1
   75%
7.5/10
  38%
4.5/12
 
Francesca MAD 0.192580    68%
28/41
  38%
4.5/12
 
Hamsters 0.7.12579   85%
8.5/10
59%
19/32
    
Tucano 2.00 64-bit2576    64%
27/42
39%
12.5/32
   
SOS 5.12571    60%
6/10
 56%
10/18
  
Rodin 6.02570    62%
20/32
45%
14/31
   
Aristarch 4.502567    75%
7.5/10
 61%
11.5/19
  
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
nanoSzachy 4.0 64-bit2543    50%
5/10
53%
16/30
44%
8/18
  
Ufim 8.022540     69%
22/32
47%
8.5/18
  
AnMon 5.752538100%
1/1
   50%
5/10
47%
15/32
58%
11/19
  
Rodin 5.12538     56%
23.5/42
 33%
10.5/32
 
Hermann 2.8 64-bit25310%
0/1
   75%
7.5/10
56%
18/32
40%
8/20
33%
4/12
 
Pepito 1.59.2 64-bit2521100%
1/1
   72%
6.5/9
62%
20/32
 48%
15.5/32
 
Rodin 4.02511      67%
12/18
21%
2.5/12
 
Green Light Chess 3.01.2.22505    90%
9/10
  56%
18/32
 
Little Goliath Evolution 3.122503100%
1/1
    69%
22/32
   
Yace 0.99.872503    55%
5.5/10
 56%
10/18
31%
10/32
 
Trace 1.37a2499    70%
7/10
  45%
14.5/32
 
Murka 2 64-bit2481     58%
11.5/20
 45%
14.5/32
 
Cheese 1.4 64-bit2476     50%
5/10
 42%
13.5/32
 
Cerebro 3.03d2470    80%
8/10
  38%
11.5/30
 
Dorky 4.3 64-bit2466     61%
5.5/9
 62%
7.5/12
 
Abrok 5.02432      58%
11/19
59%
10/17
12%
1/8
Eeyore 1.52 64-bit2428     90%
9/10
 67%
8/12
 
Gaia 3.5 64-bit2423      67%
12/18
71%
12/17
 
Nejmet 3.072423       56%
9.5/17
22%
6.5/29
Hussar 0.42420     60%
6/10
 71%
8.5/12
 
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
Dragon 4.62417       53%
17/32
22%
6.5/30
RomiChess P3L 64-bit2411     60%
6/10
 53%
16/30
 
Simplex 0.9.8 64-bit2406100%
1/1
      55%
17.5/32
 
OliThink 5.3.2 64-bit2402100%
1/1
    70%
7/10
   
Leila 0.53h2387      53%
9.5/18
38%
6.5/17
 
Gosu 0.162381       55%
17.5/32
19%
1.5/8
Comet B682377       58%
18.5/32
25%
0.5/2
Muse 0.899b2370       53%
9/17
50%
4/8
Amateur 2.822350      87%
16.5/19
50%
8.5/17
19%
12/62
Plisk 0.2.7d 64-bit2342       47%
15/32
38%
11.5/30
TJchess 1.1 64-bit2336      79%
15/19
78%
15.5/20
 
Arion 1.72332      45%
8.5/19
62%
10.5/17
30%
21.5/72
Sage 3.532324100%
1/1
      61%
19.5/32
 
Chezzz 1.0.32321       61%
19.5/32
45%
14.5/32
Sungorus 1.4 64-bit2310100%
1/1
      70%
22.5/32
 
Averno 0.812306100%
1/1
       41%
14/34
Joker 1.1.142301      92%
17.5/19
 35%
10.5/30
KnightX 1.922296       56%
9.5/17
32%
11/34
Anechka 0.082233      92%
16.5/18
62%
10.5/17
48%
31/64
Waxman 20102233      76%
14.5/19
50%
8.5/17
 
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
AliChess 4.252227      75%
13.5/18
71%
12/17
44%
13.5/31
Adam 3.32219      100%
19/19
68%
11.5/17
 
Buzz 0.08 64-bit2212       74%
12.5/17
48%
15.5/32
NagaSkaki 5.122155       74%
12.5/17
62%
21/34
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 September 26, 2020